Air blower

Abstract

The present invention provides an air blower, aiming to diversify functions of the air blower and meeting different user needs. The air blower of the present invention may comprise: a housing; an energy storage assembly, comprising an emergency battery cell that is arranged in the housing, wherein the emergency battery cell is connected to an emergency interface, and the emergency interface is suitable for being electrically connected to a vehicle so as to realize emergency starting of the vehicle; and an air blowing assembly, arranged in the housing and electrically connected to the energy storage assembly, wherein the housing comprises an air outlet portion and a holding portion, the air blowing assembly is arranged in the air outlet portion, and the emergency interface is arranged on the side in the holding portion close to the air outlet portion.

Description

air blower Technical Field

[0001] This invention relates to the field of tool technology, and more particularly to an air blower. Background Technology

[0002] As society evolves and develops, highly adaptable products are increasingly favored. However, many products in daily life have relatively limited practical functions. For example, air blowers for cleaning cars are typically only used for blowing air to remove dust and snow. To prevent the car from failing to start due to a dead battery, people need to carry emergency power devices in addition to air blowers, and these devices are often only used for emergency starting. Therefore, these products have poor adaptability, limited usage scenarios, and fail to meet diverse needs. Summary of the Invention

[0003] This invention provides an air blower, which aims to diversify the functions of the air blower and meet people's different usage needs.

[0004] In a first aspect, the present invention provides an air blowing machine, comprising:

[0005] case;

[0006] An energy storage component, disposed in the housing, has an emergency interface for electrical connection with the vehicle to enable emergency vehicle start-up;

[0007] A blower assembly is disposed in the housing and is electrically connected to the energy storage assembly.

[0008] In some embodiments, the air blower further includes a control component electrically connected to the blowing component and the energy storage component, the control component being used to control the starting and stopping of the blowing component.

[0009] In some embodiments, the control component includes:

[0010] A circuit board is disposed in the housing and electrically connected to the blower assembly and the energy storage assembly;

[0011] The first switch is electrically connected to the circuit board and is used to control the power supply or power cut-off of the energy storage component;

[0012] The second switch is electrically connected to the circuit board and is used to control the start and stop of the blower assembly when the energy storage assembly is powered.

[0013] In some embodiments, the circuit board is snapped into the housing; and / or, the circuit board is fastened to the housing by fasteners; and / or, the circuit board is glued to the housing.

[0014] In some embodiments, the energy storage component includes:

[0015] An emergency battery cell, disposed in the housing, is electrically connected to the control component; and

[0016] A connecting wire is electrically connected to the emergency battery cell or the control component, and has the emergency interface. The control component is used to control the emergency battery cell to supply power to or cut off power to the connecting wire.

[0017] In some embodiments, the emergency battery cell is snapped into the housing; and / or,

[0018] The emergency interface is snapped into the housing.

[0019] In some embodiments, the housing includes an air outlet and a grip, and the blower assembly is disposed on the air outlet.

[0020] In some embodiments, the energy storage component is disposed on the grip portion.

[0021] In some embodiments, the emergency interface is located at one end of the grip near the air outlet and / or at one end of the grip away from the air outlet.

[0022] In some embodiments, the housing engages with the blower assembly.

[0023] In some embodiments, the energy storage component is disposed within the housing, the housing has a power transmission port, and the emergency interface is electrically connected to the vehicle through the power transmission port;

[0024] The air blower also includes an insulating sleeve, which is movably connected to the housing and is used to cover the power supply port.

[0025] The air blower of the present invention has an energy storage component that can power the blowing component, which can blow air when powered on, thus enabling the air blower to have a blowing function. In addition, the energy storage component also has an emergency interface that can be electrically connected to a car to enable emergency starting of the car, thereby diversifying the functions of the air blower and improving its applicability.

[0026] In a second aspect, the present invention provides an air blowing machine, comprising:

[0027] case;

[0028] An energy storage component, disposed in the housing, has an emergency interface for electrical connection with the vehicle to enable emergency vehicle start-up;

[0029] A blower assembly, disposed in the housing, electrically connected to the energy storage assembly, and having an air outlet;

[0030] A flow guide is connected to the housing or the blower assembly and is correspondingly arranged with respect to the air outlet. The flow guide is used to adjust the airflow effect at the air outlet.

[0031] In some embodiments, the air guide has an air guide channel that is connected to the air outlet, and the airflow output from the air outlet can be blown out through the air guide channel.

[0032] In some embodiments, the flow channel includes a flow collection section and a guide section, the flow collection section connecting the air outlet and the guide section, and the radial dimension of the flow collection section gradually decreases along the direction from the flow collection section to the guide section.

[0033] In some embodiments, the flow guide is detachably connected to the housing.

[0034] In some embodiments, the housing is snapped into the flow guide; and / or, the housing is magnetically connected to the flow guide; and / or, the housing is threadedly connected to the flow guide; and / or, the housing is interference-fitted with the flow guide.

[0035] In some embodiments, one of the housing and the flow guide is provided with a guide groove, and the other of the housing and the flow guide is provided with a protrusion. The protrusion is movably engaged with the guide groove, and the protrusion is movable relative to the guide groove until the housing and the flow guide are engaged.

[0036] The air blower of this invention uses a guide vane to adjust the airflow effect at the outlet. For example, this can make the airflow more concentrated or the airflow range wider, thereby improving the efficiency of the air blower in dust removal and snow removal. Furthermore, the guide vane is detachably connected, allowing for the replacement of guide vanes with different structures, thus enabling the air blower to have diverse airflow effects, improving its adaptability and allowing it to be used in more scenarios.

[0037] Thirdly, the present invention provides a handheld air blower, comprising:

[0038] The housing includes a receiving cavity, which includes a first receiving cavity and a second receiving cavity. The housing includes an air outlet extending along a first direction and a grip extending along a second direction. The air outlet corresponds to the first receiving cavity, and the grip corresponds to the second receiving cavity. The first direction and the second direction form a preset angle.

[0039] A blower assembly, wherein the blower assembly is disposed within the first receiving cavity;

[0040] An emergency battery cell is disposed within the second receiving cavity. The grip portion is provided with an emergency interface, which is electrically connected to the emergency battery cell and is used for emergency start-up.

[0041] A circuit board is disposed within the receiving cavity and is electrically connected to the blower assembly and the battery cell.

[0042] In some embodiments, the preset included angle ranges from 60° to 150°; and / or, the grip is foldable.

[0043] In some embodiments, the housing is provided with at least one fixing plate and a plurality of fixing members in the second receiving cavity, the fixing plate and the plurality of fixing members forming a placement groove, and the emergency battery cell is installed in the placement groove; wherein, one side of the fixing plate is used to set the circuit board, and the other side of the fixing plate is connected to the emergency battery cell.

[0044] In some embodiments, the blower assembly includes a blower motor and a blower sleeve, the blower sleeve being fitted around the periphery of the blower motor.

[0045] In some embodiments, the housing has one of a first rotating bracket and a first rotating latch in the first receiving cavity, and the other of the first rotating bracket and the first rotating latch is correspondingly disposed on the periphery of the fan sleeve. The first rotating latch cooperates with the first rotating bracket to connect the fan sleeve to the housing.

[0046] In some embodiments, the blower assembly further includes a filter screen, the air outlet is provided with a first opening and a second opening corresponding to each other along the first direction, the first receiving cavity is connected to the first opening and the second opening, the filter screen is disposed in the first opening and / or the second opening, the gas flow channel inlet of the blower assembly corresponds to the first opening, and the gas flow channel outlet of the blower assembly corresponds to the second opening.

[0047] In some embodiments, the housing has one of a second rotating bracket and a second rotating latch in the first receiving cavity, and the other of the second rotating bracket and the second rotating latch is correspondingly disposed on the filter screen. The second rotating latch cooperates with the second rotating bracket to connect the filter screen to the housing.

[0048] In some embodiments, the housing includes a first housing and a second housing, which are detachably connected to form the receiving cavity.

[0049] In some embodiments, the blower assembly includes an air pump, and the handheld blower also includes a tire pressure sensor and an inflation connector, the tire pressure sensor being disposed on the inflation connector and the inflation connector being connected to the air pump.

[0050] In some embodiments, the housing is further provided with an indicator light and / or a display screen, which are electrically connected to the circuit board for displaying the working information of the handheld air blower.

[0051] The handheld air blower of the present invention has a housing comprising an air outlet extending in a first direction and a grip extending in a second direction. The air outlet corresponds to a first receiving cavity, and the grip corresponds to a second receiving cavity. The first and second directions form a preset angle. A blowing assembly is disposed within the first receiving cavity, and an emergency battery is disposed within the second receiving cavity. The handheld air blower is equipped with a grip for easy handling. Furthermore, the emergency battery is disposed within the grip, resulting in a compact structure. Therefore, the handheld air blower has advantages such as practicality, compact structure, and ease of use, and can also be used as an emergency start-up power source.

[0052] Fourthly, the present invention provides an air blowing machine, comprising:

[0053] A housing, the housing including an air outlet and a grip;

[0054] A blower assembly, wherein the blower assembly is disposed within the air outlet section;

[0055] An emergency battery cell is disposed within the grip portion, the grip portion is provided with an emergency interface, the emergency interface is electrically connected to the emergency battery cell, and the emergency interface is used for emergency start-up;

[0056] A circuit board is disposed in the air outlet and / or the grip, and the circuit board is electrically connected to the blower assembly and the emergency battery cell.

[0057] The button group includes a first button and a second button, which are located on the grip near the air outlet. The first button is used to control the power supply function of the emergency battery cell via the circuit board, and the second button is used to control the working mode or air blowing level of the air blower via the circuit board.

[0058] In some embodiments, the emergency interface is located in the grip portion away from the air outlet portion.

[0059] In some embodiments, the air blower further includes an insulating sleeve, a sleeve seat is provided on the grip, a connecting part is provided on one side of the insulating sleeve, the connecting part is engaged with the sleeve seat, and the insulating sleeve can cover the emergency interface.

[0060] In some embodiments, the second button is disposed on a second side of the grip portion, the second side facing the second air outlet of the air blower; the first button is disposed on a first side of the grip portion, the second side being the adjacent surface to the first side.

[0061] In some embodiments, the first button and / or the second button includes a pressing part, an elastic arm, and a fixing part. The pressing part is connected to the fixing part through the elastic arm, and the fixing part is connected to the inner wall of the housing. The housing is provided with a pressing opening, and the pressing part of the first button and / or the second button passes through the pressing opening and extends out of the housing.

[0062] In some embodiments, the emergency interface is provided with a first electrical connector and a second electrical connector. The first electrical connector and the second electrical connector are connected to the cathode and anode of the device to be started in an emergency through their respective corresponding electrical connection lines to realize the emergency start function. The first electrical connector and the second electrical connector have different shapes so that the first electrical connector cannot be connected to the electrical connection line corresponding to the second electrical connector, and the second electrical connector cannot be connected to the electrical connection line corresponding to the first electrical connector.

[0063] In some embodiments, the housing is further provided with a first charging / discharging port and / or a second charging / discharging port, wherein the first charging / discharging port is a USB port and the second charging / discharging port is a Type-C port, and the first charging / discharging port and the second charging / discharging port are electrically connected to the circuit board or the emergency battery cell.

[0064] The air blower of the present invention has a first button and a second button located on the grip near the air outlet. The first button is used to control the power supply function of the emergency battery through the circuit board, and the second button is used to control the working mode or air blowing level of the air blower through the circuit board. This not only makes it convenient for users to hold and operate with one hand, but also the design is simple, saves materials, and provides a good user experience. Therefore, the air blower has the advantages of simple operation and practical function.

[0065] Fifthly, the present invention provides a control circuit for use in an air blower, the control circuit comprising:

[0066] An emergency battery cell is provided, which is connected to the emergency interface of the air blower. The emergency interface is used for emergency start-up.

[0067] A drive module, the first end of which is connected to the emergency battery cell, and the second end of which is connected to the blower motor of the air blower;

[0068] A first control module is connected to the controlled end of the drive module and is used to drive the blower motor to blow air through the drive module.

[0069] In some embodiments, the control circuit further includes: a protection module for connecting the emergency battery cell and the emergency interface; and a second control module connected to the protection module, the second control module being used to control the protection module to turn on or off, so as to control the emergency battery cell to output power to external devices through the emergency interface.

[0070] For example, the control circuit further includes: a first trigger module, configured to receive a user's trigger operation and generate a first trigger signal; the first trigger module is connected to the second control module, and the second control module is configured to control the protection module to be turned on or off according to the first trigger signal.

[0071] In some embodiments, the control circuit further includes a battery detection module, which is connected to the emergency battery cell and the first control module respectively. The battery detection module generates a first detection signal for the emergency battery cell. If the first detection signal indicates that the emergency battery cell is abnormal, the first control module controls the drive module to stop the blower motor from blowing air.

[0072] For example, the first detection signal includes at least one or more of a battery voltage detection signal, a battery current detection signal, and a battery temperature detection signal; the battery detection module further includes: a battery voltage detection unit, which is connected to the emergency battery cell and the control module respectively, and generates the battery voltage detection signal; if the battery voltage detection signal indicates that the emergency battery cell is undervoltage, the first control module controls the switch module to open and stops the blower motor from blowing air through the drive module; and / or, a battery current detection unit, which is connected to the emergency battery cell and the control module respectively, and generates the battery current detection signal; if the battery current detection signal indicates that the emergency battery cell is overcurrent, the first control module controls the switch module to open and stops the blower motor from blowing air through the drive module; and / or, a battery temperature detection unit, which is connected to the emergency battery cell and the control module respectively, and generates the battery temperature detection signal; if the battery temperature detection signal indicates that the emergency battery cell is overheated, the first control module controls the switch module to open and stops the blower motor from blowing air through the drive module.

[0073] In some embodiments, if the battery voltage detection signal indicates that the battery is overvoltage, and / or if the battery current detection signal indicates that the battery is overcurrent, the control module controls the emergency battery cell to stop charging.

[0074] In some embodiments, the control circuit further includes: a second trigger module, the second trigger module being connected to the first control module, the second trigger module generating a second trigger signal when triggered, and the first control module being used to drive or stop the blower motor from blowing air according to the second trigger signal.

[0075] In some embodiments, the power supply voltage of the emergency battery cell is input to the drive module, and the control unit converts the power supply voltage into a drive voltage through the drive module, which drives the blower motor to blow air.

[0076] For example, the blower motor includes N blowing speeds, where N is a positive integer greater than or equal to 2.

[0077] In some embodiments, the control circuit further includes a motor detection module, which is connected to the blower motor and the first control module respectively, and generates a second detection signal for the blower motor. If the second detection signal indicates that the blower motor is abnormal, the first control module stops the blower motor from blowing air through the drive module.

[0078] For example, the second detection signal includes at least one or more of a motor current detection signal and a motor temperature detection signal; the motor detection module further includes: a motor current detection unit, which is connected to the blower motor and the first control module respectively, and generates the motor current detection signal. If the motor current detection signal indicates that the blower motor is overcurrent, the first control module stops the blower motor from blowing air through the drive module; and / or, a motor temperature detection unit, which is connected to the blower motor and the first control module respectively, and generates the motor temperature detection signal. If the motor temperature detection signal indicates that the blower motor is overheating, the first control module stops the blower motor from blowing air through the drive module.

[0079] In some embodiments, the control circuit further includes an early warning module connected to the first control module. If the emergency battery cell is abnormal and / or the blower motor is abnormal, the first control module controls the early warning module to issue an early warning.

[0080] In some embodiments, the driving module includes: a first switching unit, a first end of which is connected to the emergency battery cell, a second end of which is connected to a preset grounding terminal, and a controlled end of which is connected to the control module; an interface unit, the output end of which is used to connect to the blower motor; the input end of which is connected between the emergency battery cell and the first end of the first switching unit, or the input end of which is connected between the second end of the first switching unit and the grounding terminal; wherein, the first control module controls the first switching unit to conduct through the controlled end of the first switching unit, thereby energizing the interface unit to drive the blower motor to blow air.

[0081] In addition, the present invention provides an air blower, which includes an emergency interface, a blower motor, and the control circuit described above. The control circuit is connected to the emergency interface and is used to control the emergency interface to start in an emergency. The control circuit is also connected to the blower motor and is used to drive the blower motor to blow air.

[0082] In some embodiments, the air blower further includes: a housing for accommodating at least a portion of the structure of the blower motor and the first control circuit, the housing also forming an air outlet and an air inlet, wherein when the blower motor is working, air is blown from the air inlet through the blower motor to the air outlet; and a guide for connecting the air outlet, the guide for adjusting the airflow effect of the air outlet.

[0083] For example, the air inlet side of the guide is connected to the air outlet, the air outlet side of the guide is used for air outlet, and the air inlet side area of ​​the guide is smaller than the air outlet side area of ​​the guide, so as to concentrate the airflow of the outlet air.

[0084] In some embodiments, the blower motor includes a motor and a fan blade, which are enclosed in the same housing; the blower blows air for cleaning, including blowing away dust, debris, or snow; the blower's emergency interface is used to connect to an external vehicle to provide power for starting the vehicle.

[0085] This invention provides a control circuit and an air blower. The control circuit allows the same emergency battery cell to power both emergency start-up and the air blower. Furthermore, the control circuit can have multiple protection modules, extending battery life and protecting the motor. Additionally, the control circuit can provide multiple selectable wind speed settings for the air blower, facilitating the selection of appropriate blowing speeds in different scenarios.

[0086] In a sixth aspect, the present invention provides a portable tool having: an energy storage component, a blower component, and a vacuuming component; the vacuuming component is configured to be connected to the air inlet of the blower component.

[0087] In some embodiments, the energy storage component is an emergency battery cell and is connected to an emergency interface, which can be used for emergency starting of a vehicle.

[0088] In some embodiments, the vacuuming assembly and the blower assembly are detachably connected.

[0089] In some embodiments, the vacuuming assembly and the blower assembly are snap-fitted; and / or magnetically connected; and / or threaded connected; and / or interference-fitted.

[0090] In some embodiments, the vacuuming assembly has a first magnetic element and a second magnetic element is provided on the housing or the blower assembly; wherein the first magnetic element and the second magnetic element are configured to attract each other when they are close to each other.

[0091] In some embodiments, an air inlet grille is provided at one end of the air inlet on the housing or the blower assembly, and an insert is provided on the air inlet grille for embedding a first magnetic element; the dust collection assembly has a dust collection connector, and a second magnetic element corresponding to the first magnetic element is provided on the dust collection connector.

[0092] In some embodiments, the air intake grille is annular, with a magnet embedded at the center.

[0093] In some embodiments, the air intake grille is circular, and M magnets are centrally symmetrically distributed on the circle, wherein M is an integer greater than or equal to 2, preferably 3 or 4.

[0094] In some embodiments, the first / second magnetic element is fixed to the corresponding insert by adhesive.

[0095] In some embodiments, when connected, the vacuum connector is fitted onto the outer side of the housing or onto the outer side of the air intake grille.

[0096] In some embodiments, the vacuuming assembly has a vacuuming body, which has a vacuum inlet, a filter, and a dust chamber.

[0097] In some embodiments, the vacuuming assembly may also have a vacuum tube, one end of which is configured to connect to the vacuum port of the vacuuming body, for example, a detachable connection, and the other end of which has a retractable structure.

[0098] In some embodiments, the vacuuming assembly may also have a vacuum brush head. The vacuum brush head may be detachably attached to the vacuum port of the vacuum body or to one end of the vacuum hose.

[0099] By connecting the vacuum and blower components, a complete airflow channel for a vacuum cleaner can be formed, thus enabling it to function as a vacuum cleaner. It is used to suck up dust (debris), thereby cleaning the interior of a car (such as seats). The detachable connection between the vacuum and blower components, especially the magnetic connection, allows for easy removal and installation of the vacuum component, making it convenient for both use and storage / portability.

[0100] This invention integrates multiple functions such as emergency start-up, air blower, and vacuum cleaner into one unit, eliminating the need for users to carry multiple additional devices and greatly improving the product's practicality and convenience.

[0101] In a seventh aspect, the present invention provides a portable tool having a housing and a safety hammer component.

[0102] In some embodiments, an energy storage component is provided inside the housing.

[0103] In some embodiments, a blower assembly is also provided inside the housing.

[0104] In some embodiments, the safety hammer component is detachably connected to the housing. For example, it is connected to the first air vent (inlet) or the second air vent (outlet) of the housing.

[0105] In some embodiments, the energy storage component is an emergency battery cell and is connected to an emergency interface, which can be used for emergency starting of a vehicle.

[0106] In some embodiments, the safety hammer component has a hammer head and a safety hammer base.

[0107] In some embodiments, the safety hammer base has a mounting base for mounting the hammer head.

[0108] In some embodiments, the mounting base of the safety hammer has a through hole at its bottom, and the bottom of the hammer head has a connector pin. After the connector pin of the hammer head passes through the through hole at the bottom of the mounting base of the safety hammer, the protruding portion is fixed with adhesive.

[0109] In some embodiments, the safety hammer base is hollow.

[0110] In some embodiments, the safety hammer base is provided with a plurality of air vents. For example, the safety hammer base is provided with a plurality of through holes on its side (in a direction perpendicular to the first direction) to form air vents.

[0111] In some embodiments, the safety hammer base has a safety hammer connecting part for connecting the safety hammer component to the housing.

[0112] In some embodiments, the connection between the safety hammer component and the housing can be a snap-fit.

[0113] In some embodiments, the connection between the safety hammer component and the housing is substantially the same as the connection between the flow guide and the housing, or substantially the same as the connection between the dust collection component and the housing.

[0114] In some embodiments, the safety hammer base is preferably made of a plastic component with a certain degree of elasticity. At the connection between the safety hammer base and the hammer head, and / or at the connection between the safety hammer base and the housing, the dimensions are designed to have an appropriate degree of interference fit.

[0115] In some embodiments, the portable tool is further provided with a light, and the light is located on the same side as the safety hammer component.

[0116] In some embodiments, an air inlet grille is provided at one end of the air inlet on the housing or the blower assembly, and / or an air outlet grille is provided at one end of the air outlet; a lighting fixture is provided on the air inlet grille or the air outlet grille, for example at the center of the grille, for mounting / fixing a lighting lamp.

[0117] When the safety hammer component is attached to the housing, this portable tool can be used as a safety hammer. The user can aim the sharp end of the hammer head at weak points such as the edges or corners of glass, then hold the handle of the housing (similar to the handle of a safety hammer) and swing the handle to apply impact force. Utilizing the concentrated stress at the hammer tip, the glass can be easily shattered. The safety hammer base is used to stably mount the hammer head, preventing it from falling off during swinging. The safety hammer base can have vents (through holes / grids) to allow ventilation (without affecting the blower's blowing / vacuuming functions) and light (an internal light can be provided for auxiliary illumination). Attached Figure Description

[0118] To more clearly illustrate the technical solutions of the embodiments of this application, the drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0119] Figure 1 is a schematic diagram of the structure of an air blower provided in an embodiment of the present invention from a certain perspective.

[0120] Figure 2 is a schematic diagram of the structure of an air blower provided in an embodiment of the present invention from another perspective;

[0121] Figure 3 is a structural schematic diagram of an air blower (partial housing omitted) provided in an embodiment of the present invention;

[0122] Figure 4 is an exploded view of an air blower according to an embodiment of the present invention;

[0123] Figure 5 is a schematic diagram of a flow guide provided in an embodiment of the present invention;

[0124] Figure 6 is a half-sectional schematic diagram of the guide component in Figure 5;

[0125] Figure 7 is a schematic diagram of a flow guide provided in an embodiment of the present invention;

[0126] Figure 8 is a half-sectional schematic diagram of the guide component in Figure 7;

[0127] Figure 9 is a schematic diagram of a flow guide provided in an embodiment of the present invention;

[0128] Figure 10 is a half-sectional schematic diagram of the guide component in Figure 9;

[0129] Figure 11 is an exploded view of an air blower according to an embodiment of the present invention;

[0130] Figure 12 is an enlarged view of point A in Figure 11;

[0131] Figure 13 is a schematic diagram of a partial explosion of a handheld air blower according to an embodiment of the present invention;

[0132] Figure 14 is a partial explosion diagram of a blower according to an embodiment of the present invention;

[0133] Figure 15 is a schematic diagram of a partial component structure of an air blower according to an embodiment of the present invention;

[0134] Figure 16 is a schematic diagram of the first button structure of an air blower according to an embodiment of the present invention;

[0135] Figure 17 is a schematic diagram of the second button structure of an air blower according to an embodiment of the present invention;

[0136] Figure 18 is a structural schematic diagram of an embodiment of the present invention with a vacuum cleaner assembly;

[0137] Figure 19 is a schematic diagram of the vacuum cleaner assembly of the present invention;

[0138] Figure 20 is an exploded view of an embodiment of the present invention with a dust collection component;

[0139] Figure 21 is a schematic diagram of the magnetic connection structure of the present invention;

[0140] Figure 22 is a structural schematic diagram of an embodiment of the safety hammer component of the present invention;

[0141] Figure 23 is a structural schematic diagram of the safety hammer component of the present invention, and a partial cross-sectional view along the AA direction;

[0142] Figure 24 is a structural schematic diagram of an embodiment of the present invention with a safety hammer and a dust collection assembly;

[0143] Figure 25 is a schematic diagram of the battery clamp structure of an air blower according to an embodiment of the present invention;

[0144] Figure 26 is a schematic diagram of the circuit board structure according to an embodiment of the present invention;

[0145] Figure 27 is a partial structural schematic diagram of the housing according to an embodiment of the present invention;

[0146] Figure 28 is a partial structural schematic diagram of an embodiment of the present invention;

[0147] Figure 29 is a schematic diagram of the structure of the housing according to an embodiment of the present invention;

[0148] Figure 30 is a schematic diagram of the structure of the housing according to an embodiment of the present invention;

[0149] Figure 31 is a schematic block diagram of the structure of the first type of control circuit provided in an embodiment of the present invention;

[0150] Figure 32 is a schematic block diagram of the second type of control circuit provided in an embodiment of the present invention;

[0151] Figure 33 is a schematic block diagram of the third type of control circuit provided in the embodiment of the present invention;

[0152] Figure 34 is a schematic block diagram of the fourth type of control circuit provided in the embodiment of the present invention;

[0153] Figure 35 is a schematic block diagram of the fifth type of control circuit provided in the embodiment of the present invention;

[0154] Figure 36 is a schematic block diagram of the sixth control circuit provided in the embodiment of the present invention;

[0155] Figure 37 is a schematic block diagram of the structure of the first type of driving module provided in an embodiment of the present invention;

[0156] Figure 38 is a schematic block diagram of the structure of the second type of driving module provided in an embodiment of the present invention;

[0157] Figure 39 is a circuit schematic block diagram of the driving module provided in an embodiment of the present invention;

[0158] Figure 40 is a schematic block diagram of the structure of the seventh control circuit provided in the embodiment of the present invention;

[0159] Figure 41 is a schematic block diagram of an air blowing machine provided by the present invention.

[0160] Key reference numerals in the accompanying drawings: 40, housing; 10a, receiving cavity; 10b, first air inlet; 10c, second air outlet; 10d, power supply port; 10e, mounting groove; 101, protrusion; 1011, slot; 110, air outlet; 111, first air outlet; 112, second air outlet; 120, grip; 121, first grip; 122, second grip; 101, first housing; 102, second housing; 1001, first receiving cavity; 1002, second receiving cavity; 401, first housing; 402, second housing; 403, third housing; 4021, first socket; 4031, second socket; 433, button; 4331, button foot; 4332, button head; 4333, button plate; 4019. Protruding structure; 4022. First mounting base; 4023. Second mounting base; 1011. First protrusion; 1012. First snap-fit ​​component; 1013. Second snap-fit ​​component; 1014. Second protrusion; 11a. First rotating bracket; 11b. Second rotating bracket; 11c. First rotating bayonet; 11d. Second rotating bayonet; 12. Grip; 131. Fixing plate; 132. Fixing component; 133. Placement slot; 200. Blower assembly; 20a. Air outlet; 21. Blower motor; 22. Filter screen (grid part); 221. Air inlet grid; 222. Air outlet grid; 23. Fan sleeve; 300. Energy storage assembly; 31. Emergency battery cell; 32. Emergency interface; 33. Connecting wire; 1201, Press-opening opening; 3201, First electrical connector; 3202, Second electrical connector; 4201, First button; 4301, Second button; 44, Button assembly; 4401, Pressing part; 4402, Elastic lever arm; 4403, Fixing part; 71, First charging / discharging port; 72, Second charging / discharging port; 10, Control component; 41, Circuit board; 411, First sub-circuit board; 412, Second sub-circuit board; 413, Connecting post; 42, First switch; 421, Switch body; 422, Button; 43, Second switch; 50, Insulating sleeve; 51, Connecting part; 52, Sleeve seat; 60, Flow guide; 61, Flow guide channel; 611, Current collecting section; 612, Guide section; 601, Guide groove; 6011, Locking block; 70, Charging / discharging port; 80. Safety hammer components; 81. Hammer head; 82. Safety hammer base; 83. Safety hammer connecting part; 90. Dust collection assembly; 91. Dust collection body; 92. Dust collection brush head; 93. Dust collection hose; 94. Dust collection connector; 991. First magnetic clasp; 992. Second magnetic clasp; 88. Lighting lamp; 89. Lighting lamp fixing part; 900. Battery clamp; 901. Circuit section; 902. Power input interface; 903. Power output interface; 100. Air blower; 10. Control circuit; 11. Emergency battery cell; 12. Drive module; 121. First switch unit; 122. Interface unit; 13. First control module;14. Protection module; 15. Second control module; 16. Battery detection module; 161. Battery voltage detection unit; 162. Battery current detection unit; 163. Battery temperature detection unit; 17. First trigger module; 18. Second trigger module; 19. Motor detection module; 13a. Early warning module; 20. Emergency interface; 30. Blower motor; 40. Grounding terminal. Detailed Implementation

[0161] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0162] It should be understood that, as used in this specification and the appended claims, the singular forms “a,” “an,” and “the” are intended to include the plural forms unless the context clearly indicates otherwise.

[0163] In this application embodiment, all directional indicators (such as up, down, left, right, front, back, etc.) are only used to explain the relative positional relationship and movement of each component in a specific posture. If the specific posture changes, the directional indicator will also change accordingly.

[0164] In this invention, "perpendicular" includes a state of "substantially perpendicular". If the difference between the angle formed by two directions and 90 degrees is less than a threshold (such as 2 degrees, 5 degrees, or 10 degrees), then the two directions can be considered substantially perpendicular to each other.

[0165] In this invention, "parallel" includes a state of "substantially parallel". If the angle formed by two directions is less than a threshold (such as 2 degrees, 5 degrees, or 10 degrees), the two directions can be considered substantially parallel to each other.

[0166] It should also be understood that when an element is referred to as being "fixed to" or "set on" another element, it can be directly on the other element or may be connected to an intermediary element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or indirectly connected to the other element through an intermediary element.

[0167] It should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "linking" should be interpreted broadly. For example, they can refer to fixed connections, detachable connections, or integral connections. They can refer to mechanical connections or electrical connections. They can refer to direct connections or indirect connections through an intermediate medium, and they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this invention according to the specific circumstances.

[0168] The terminology used in this application specification is for the purpose of describing particular embodiments only and is not intended to limit the application. Descriptions using terms such as "first," "second," etc., are for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Therefore, a feature defined as "first" or "second" may explicitly or implicitly include at least one of that feature. For example, "first trigger module" and "second trigger module" are merely to distinguish different trigger modules and do not limit their order. Those skilled in the art will understand that the terms "first," "second," etc., do not limit the quantity or execution order, and that "first," "second," etc., do not necessarily imply that they are different.

[0169] It should also be further understood that the term “and / or” as used in this application specification and the appended claims means any combination of one or more of the associated listed items and all possible combinations, and includes such combinations.

[0170] Referring to Figures 1 to 4, this embodiment of the invention provides an air blower, including a housing 40, an energy storage component 300, and a blowing component 200. The energy storage component 300 is disposed in the housing 40. Optionally, the energy storage component 300 may be connected to an emergency interface 32, which is used for electrical connection with a vehicle to enable emergency vehicle starting. The blowing component 200 is disposed in the housing 40 and is electrically connected to the energy storage component 300. The blowing component 200 has an air outlet 20a.

[0171] In the air blower of this embodiment of the invention, the energy storage component 300 can supply power to the blowing component 200 so that the blowing component 200 can operate normally and blow air, thus enabling the air blower to have the function of blowing air.

[0172] For example, dust and debris easily accumulate in areas such as car door seams and window seams. An air blower can be used to blow away the dust and debris, thus cleaning the car body. For instance, in severe rainy or snowy weather, when there is a lot of water or snow on the car body surface, an air blower can be used to blow away the water or snow.

[0173] In addition, the energy storage component 300 can also be connected to an emergency interface 32, which can be electrically connected to the vehicle to enable emergency starting of the vehicle, thus enabling the air blower to have an emergency starting function. This helps to diversify the functions of the air blower, improve its applicability, and meet people's different usage needs.

[0174] The car battery is a critical component for starting a car; once the battery is depleted, the car will not start normally. The air blower of this invention can be connected to the positive and negative terminals of the car battery via an emergency interface 32 to achieve emergency starting using the air blower's energy storage component 300.

[0175] The following provides a more detailed description and examples of the components that the air blowing machine of the present invention may have.

[0176] <Shell>

[0177] As shown in Figures 3 and 4, in some embodiments, the housing 40 has a receiving cavity 10a, in which the blowing assembly 200 and / or the energy storage assembly 300 can be disposed, and the housing 40 can protect the blowing assembly 200 and / or the energy storage assembly 300.

[0178] For example, as shown in FIG4, the housing 40 includes a first housing 101 and a second housing 102, which are connected and enclose to form a receiving cavity 10a.

[0179] For example, the first housing 101 and the second housing 102 can be connected by a snap-fit ​​mechanism, or the first housing 101 and the second housing 102 can be fastened together by fasteners.

[0180] In some embodiments, the first housing 101 and the first housing 102 may be detachably connected. The detachable design of the first housing 101 and the first housing 102 facilitates users and manufacturers to disassemble, install, repair, debug, clean, and modify the handheld air blower.

[0181] In some embodiments, the housing 40 has a first air inlet 10b and a second air inlet 10c communicating with the receiving cavity 10a. A blower assembly 200 is disposed in the receiving cavity 10a. The blower assembly 200 can draw in external air through the first air inlet 10b to form an airflow and output it from the air outlet 20a of the blower assembly 200. A guide member 60 may be provided on the outer periphery of the second air inlet 10c. The output airflow reaches the guide member 60 after passing through the second air inlet 10c, allowing the guide member 60 to adjust the airflow output effect.

[0182] For example, the first air vent 10b and the second air vent 10c are arranged opposite each other, or the first air vent 10b and the second air vent 10c may be located on adjacent sides of the housing 40.

[0183] For example, as shown in Figure 3, the second air vent 10c / first air vent 10b and the energy storage component 300 are located on different sides of the blowing component 200 to avoid the energy storage component 300 blocking airflow.

[0184] For example, the first housing 101 and the second housing 102 can be enclosed to form a first air vent 10b, and the first housing 101 and the second housing 102 can be enclosed to form a second air vent 10c.

[0185] As shown in Figures 2 and 3, in some embodiments, the housing 40 includes an air outlet 110 and a grip 120, with the air blowing assembly 200 disposed in the air outlet 110. This allows the user to easily hold the grip 120 and control the air blower to blow air in a specific direction when using it.

[0186] In some embodiments, the receiving cavity 10a of the housing 40 may include a first receiving cavity 1001 and a second receiving cavity 1002.

[0187] For example, the air outlet 110 corresponds to the first receiving cavity 1001, and the gripping part 120 corresponds to the second receiving cavity 1002.

[0188] The air outlet 110 extends along a first direction; the grip 120 extends along a second direction.

[0189] The first direction is the longitudinal extension direction of the air outlet 110 (first receiving cavity 1001), as shown in the X direction of FIG3. The first direction is preferably also the longitudinal extension direction of the blower assembly 200, and preferably also the axial direction of the blower motor 21.

[0190] The second direction is the longitudinal extension direction of the gripping portion 120 (second receiving cavity 1002), as shown in the Y direction in FIG3. The second direction is preferably also the longitudinal extension direction of the energy storage component 300 (cell 31).

[0191] In some embodiments, the first direction and the second direction may form a certain angle, such as a preset angle. The value range of this preset angle can be 60°-150°. Preferably, the value range can be 70°-110°. For example, 70°, 80°, 90°, 110°, 120°. With this range of angle values, the entire housing is shaped like a "7", making it easy for the user to hold and use.

[0192] In some embodiments, the grip portion 120 may be foldable.

[0193] By providing an air outlet 110 and a grip 120 on the housing 40, or by setting a preset range of included angles, the user can hold the device more conveniently.

[0194] By providing a foldable grip 120 on the handheld air blower, the user can more easily store the air blower while maintaining a comfortable grip. For example, as shown in FIG4, the air outlet 110 may include a first air outlet 111 of a first housing 101 and a second air outlet 112 of a second housing 102. The grip 120 may include a first grip 121 of the first housing 101 and a second grip 122 of the second body. The receiving cavity 10a includes a first cavity and a second cavity. The first air outlet 111 and the second air outlet 112 enclose the first cavity. The first grip 121 and the second grip 122 enclose the second cavity.

[0195] Preferably, the blower assembly 200 is disposed within the first receiving cavity 1001.

[0196] Preferably, the energy storage component 300 is disposed within the second receiving cavity 1002.

[0197] By placing the energy storage component 300 in the grip portion 120 (second receiving cavity 1002) and the blower component 200 in the first receiving cavity 1001, a compact structure can be achieved. The direction of the air duct of the blower component 200 (first direction) and the direction of extension of the grip portion 120 (second direction) form a certain angle, which facilitates the user's grip and use.

[0198] As shown in Figure 22, in some embodiments, an anti-slip portion (anti-slip element) may be provided on the surface of the grip portion 120 of the housing 40. The anti-slip portion (anti-slip element) may have multiple (two or more, three or more) anti-slip stripes, such as multiple repeated raised and recessed anti-slip stripes. In some embodiments, the anti-slip portion may be integrally formed with the surface of the housing 40, such as recessed and / or raised stripes, for example, integrally formed by compression molding. In some embodiments, the anti-slip element may be an additional anti-slip layer attached (or fitted) to the outer surface of the housing 40, such as a soft rubber layer with raised and recessed texture. The provision of the anti-slip portion (anti-slip element / anti-slip layer) can improve grip stability and enhance operational comfort and convenience.

[0199] As shown in Figures 29 and 30, in some embodiments, the housing 40 may consist of at least three parts, including a first housing 401, a second housing 402, and a third housing 403. The first housing 401 and the third housing 403 are respectively mounted on both sides of the second housing 402. For example, they are engaged by snap-fit / slots on the periphery of the housing.

[0200] After the first housing 401 and the second housing 402 are connected, they enclose and form a receiving cavity 10a. A blower motor 21, a circuit board 41, and an energy storage component 300 are installed inside the receiving cavity 10a.

[0201] Between the second housing 402 and the third housing 403, a button, such as button 433 of the second switch 43, can be installed. As shown in Figure 29, the second housing 402 has a first socket 4021, and the third housing 403 has a second socket 4031. The size of the socket can match the size of the button 433. The button 433 has a structure that is larger in the middle and smaller on both sides. The middle button plate 4333 is larger (larger in length and / or width), and the button feet 4331 and button heads 4332 are located on both sides of the button plate 4333, which are smaller (smaller in length and / or width). When the button feet 4331 of the button 433 are inserted into the first socket 4021 on the second housing 402, and the button heads 4332 are inserted into the second socket 4031 on the third housing 403, the button plate 4333, because of its large size (it cannot pass through the first socket 4021 or the second socket 4031), is located between the second housing 402 and the third housing 403.

[0202] As shown in Figure 29, in some embodiments, button 433 is a toggle switch. Therefore, the size relationship between the first socket 4021, the second socket 4031, and button 233 can be designed so that button 433 can be tossed along the X direction (or along a direction perpendicular to the Y direction). In other words, button 433 can be tossed along the long side of the first socket 4021 / second socket 4031. This allows for tossing between different positions (e.g., three or more positions).

[0203] As an alternative, button 433 can also be installed by setting a baffle inside the second housing 402. In this case, the third housing 403 can be omitted, the button head 4332 of button 433 passes through the socket on the second housing 402, and the button plate 4333 of button 433 is installed between the second housing 402 and the baffle.

[0204] In some embodiments, as shown in FIG30, the first housing 401, the second housing 402, and the third housing 403 are mounted along the Z direction (the Z direction is generally the thickness direction of the cell 31 and also the thickness direction of the grip 120). The second housing 402 has sidewalls extending along the Z direction, thereby providing the main portion of the receiving cavity 10a. The first housing 401 acts as a cover, covering one side of the second housing 402.

[0205] The second housing 402 may contain multiple (two or more) mounting bases for mounting and positioning different components. These mounting bases may be integrally formed with the second housing 402, for example, by compression molding. In some embodiments, the multiple mounting bases may include a first mounting base 4022 for mounting a circuit board 41, such as a slot into which the circuit board body can be inserted. In some embodiments, the multiple mounting bases may include a second mounting base 4023 for mounting an emergency interface 32, such as a receiving groove. The receiving groove provides a receiving space that is limited in at least two dimensions, such as length and width (e.g., limited in the X and Y directions), thereby enabling the positioning of the emergency interface 32 (e.g., as a female connector for the emergency interface).

[0206] To facilitate the positioning and installation of the emergency interface 32, a protruding structure 4019 may be provided on the first housing 401, positioned corresponding to the emergency interface 32. The protruding structure 4019 may be integrally formed with the first housing 401, for example, by compression molding. The protruding structure 4019 is not limited to any shape, as long as it can restrict the range of movement of the emergency interface 32 in the thickness direction (e.g., the Z-direction). For example, after the first housing 401 is closed, the protruding structure 4019 at least partially abuts against the surface of the emergency interface 32, thereby fixing the position of the emergency interface 32. Since the thickness (minimum dimension) of the emergency interface 32 is often smaller than the thickness (minimum dimension) of the energy storage component 300, while the overall thickness (Z-direction dimension) of the receiving cavity 10a (grip 120) needs to be designed according to at least the thickness of the energy storage component 300, it will be larger than the thickness of the emergency interface 32. Providing the protruding structure 4019 on the first housing 401 can compensate for the thickness difference, facilitating the positioning and installation of the emergency interface 32.

[0207] In some embodiments, the outer sides of the first housing 401 and the third housing 403 may both be provided with anti-slip stripes for the grip portion 120, for example, integrally formed, for example by compression molding.

[0208] Using at least three housings offers the following advantages: 1. It facilitates the installation of buttons on the side of the housing (the surface parallel to the airflow direction (first direction)), and buttons can be installed between the second housing 401 and the third housing 403; 2. The third housing 403 adds an extra layer of outer shell protection to the device, improving the overall durability and safety of the device; 3. It makes it easier to form an integrated, fine textured structure, such as anti-slip stripes, on the outer sides of the first housing 401 and the third housing 403.

[0209] <Blower Component>

[0210] As shown in Figure 4, in some embodiments, the blower assembly 200 includes a blower motor 21.

[0211] The blower motor 21 can be a brushless motor with a maximum speed of at least 10,000 revolutions per minute. The blower motor 21 can also be a brushed motor.

[0212] The blower motor 21 may include a motor and an impeller. The motor drives the impeller to rotate, and the impeller propels the airflow.

[0213] By setting up the blower motor 21, it can perform functions such as air blowing, snow and dust removal, and blowing air.

[0214] In some embodiments, the blower assembly 200 further includes a blower sleeve 23. The blower sleeve is connected (e.g., sleeved) to the blower motor 21. For example, the blower sleeve 23 may be sleeved around the periphery of the blower motor 21. The blower sleeve 23 may be sleeved around the outer periphery or the inner periphery of the blower motor 21.

[0215] The blower sleeve 23 and the blower motor 21 can be snap-fitted together. For example, a locking block can be provided on the blower motor 21 (e.g., on its peripheral side), and a locking groove can be provided on the blower sleeve 23. When the blower sleeve 23 is fitted onto the periphery of the blower motor 21, the locking block and the locking groove are positioned correspondingly to form a snap-fit.

[0216] The blower sleeve 23 and the housing 40 can be snap-fitted together. For example, the housing 40 (e.g., within the first receiving cavity 1001) can be provided with one of a rotating retainer 11a and a rotating latch 11c. The other of the rotating retainer 11a and the rotating latch 11c can be correspondingly disposed on the periphery of the blower sleeve 23. The rotating latch 11c can cooperate with the rotating retainer 11a, allowing the blower sleeve 23 to be connected to the housing 40. The blower sleeve 23 serves to form the air outlet channel for the blower motor.

[0217] The fan sleeve 23 has a gas flow channel with an air outlet 20a. The air outlet 20a can be set to correspond with the second air outlet 10c so that the gas flow channel can guide the intake air to the second air outlet 10c.

[0218] The blower motor 21 and blower sleeve 23 enable the handheld air blower to perform blowing or blowing functions, making it convenient for users to use the handheld air blower to complete tasks such as blowing dust and snow off vehicles, inflating tents and sleeping bags, and blowing air in outdoor or transportation scenarios, thus improving the performance of the handheld air blower.

[0219] The design of the fan sleeve 23 not only facilitates the installation and fixation of the blower motor 21, but also restricts the gas flow path and isolates the gas flow path from the receiving cavity 10a. This not only improves the air output efficiency, but also prevents the blower motor 21 from bringing impurities in the air into the receiving cavity 10a during operation. Because the receiving cavity 10a is connected to electronic components such as circuit boards / batteries, the isolation function of the fan sleeve 23 can prevent impurities in the air from contaminating / damaging these electronic components, thereby improving the service life of the equipment.

[0220] The design of the rotating bayonet and rotating base simplifies disassembly, assembly, maintenance, and cleaning, reducing costs and making it more convenient for users.

[0221] Furthermore, a filter screen (grid) 22 may also be provided on the housing 40 and / or the blower assembly 200.

[0222] In some embodiments, the filter screen (grid portion) 22 may be disposed on the housing 40, for example at the first air vent 10b and / or the second air vent 10c.

[0223] In some embodiments, the filter screen (grid portion) 22 may be disposed on the blower assembly 200, for example, on the side of the blower motor 21 away from the blower motor 21 sleeve 33 (air inlet side), and / or on the side of the blower sleeve 23 away from the blower motor 21 (air outlet side).

[0224] The filter screen (grid section) 22 serves to prevent debris from entering the blower motor 21. The mesh structure of the filter screen (grid section) 22 can be adjusted according to actual conditions and is not limited here.

[0225] The air outlet 11 of the housing 40 may be provided with a corresponding second air outlet 10c and a first air outlet 10b along a first direction, and the first receiving cavity 1001 may be connected to the second air outlet 10c and the first air outlet 10b. The blower motor 21 may be disposed between the second air outlet 10c and the first air outlet 10b. The gas flow channel inlet of the blower assembly 20 may correspond to the first air outlet 10b, and the gas flow channel outlet of the blower assembly 20 may correspond to the second air outlet 10c.

[0226] In some embodiments, the housing 40 and the filter screen (grid portion) 22 can be snap-fitted, for example, rotated snap-fitted. For example, the housing 40 is provided with one of a second rotating bracket 11b and a second rotating latch 11d in the first receiving cavity 1001, and the other of the second rotating bracket 11b and the second rotating latch 11d is correspondingly disposed on the filter screen (grid portion) 22. The second rotating latch 11d cooperates with the second rotating bracket 11b to connect the filter screen (grid portion) 22 to the housing 40.

[0227] The design of the filter screen (grid) 22 prevents users from accidentally inserting their fingers or introducing impurities into the gas flow channel, thus avoiding damage to the equipment and the user. This improves the stability and safety of the air blower.

[0228] In some embodiments, the housing 40 is snapped onto the blower assembly 200, and / or the housing 40 is glued to the blower assembly 200 to achieve the installation and fixation of the blower assembly 200.

[0229] In some embodiments, the blower motor 21, the blower sleeve 23, and the filter screen (grid portion) 22 of the blower assembly 200 are respectively snapped between the first housing 101 and the second housing 102, so that the blower assembly 200 is stably connected to the housing 40 as a whole.

[0230] As shown in Figure 4, in some embodiments, a first protrusion 1011 is provided on the side of the first housing 101 and / or the second housing 102 near the receiving cavity 10a. The first protrusion 1011 is located between the blower assembly 200 and the first housing 101 and / or the second housing 102, so that the blower assembly 200 is at least partially spaced from the first housing 101 and / or the second housing 102, which facilitates the blower assembly 200 to dissipate heat.

[0231] For example, there are multiple first protrusions 1011, and the multiple first protrusions 1011 are spaced apart.

[0232] For example, as shown in FIG4, the shape of a portion of the first protrusion 1011 can match the outer contour of the blower motor 21, so that the blower motor 21 can stably abut against the first protrusion 1011, achieving a stable engagement between the blower motor 21 and the housing 40. For example, if the outer contour of the blower motor 21 is arc-shaped, the first protrusion 1011 can be an arc-shaped protrusion. The shape of a portion of the first protrusion 1011 can also match the outer contour of the fan sleeve 23, so that the outer contour of the fan sleeve 23 matches, allowing the fan sleeve 23 to engage with the first protrusion 1011, achieving a stable engagement between the fan sleeve 23 and the housing 40. For example, if the outer contour of the fan sleeve 23 is arc-shaped, the first protrusion 1011 can be an arc-shaped protrusion.

[0233] In some embodiments, the blower assembly 200 may include an air pump. For example, an air pump assembly is also connected in the axial direction of the blower motor 21 (e.g., within the blower sleeve 23). Preferably, the air pump and the blower motor 21 may share the same motor. The handheld blower may also include a tire pressure sensor and an inflation connector. The tire pressure sensor is disposed at the inflation connector, which is connected to the air pump. The tire pressure sensor can be used to detect tire pressure.

[0234] By monitoring tire pressure with a tire pressure sensor, the system can promptly notify the user or automatically stop inflating when the tire pressure reaches the target range. This not only enhances the practicality of the air inflator but also ensures a safe, stable, and accurate inflation process. Furthermore, users can use the tire pressure sensor to check for tire leaks and other issues.

[0235] <Energy Storage Components>

[0236] The energy storage component 300 includes a battery (cell) 31, such as a rechargeable battery, and optionally includes a rechargeable battery and a supercapacitor.

[0237] In some embodiments, the device of this invention may have an emergency start function, in which case the rechargeable battery should include an emergency battery cell 31.

[0238] In this article, "emergency battery cell" refers to a battery cell capable of performing emergency vehicle starting. In other words, it is a battery that can instantly provide a large current (e.g., 100A or more) to start a car. "Emergency battery cells" can be ternary lithium batteries, lithium iron phosphate batteries, or sodium batteries, etc.

[0239] In this embodiment, the energy storage component 300 is preferably located in the grip portion 120 (in other words, the emergency battery cell 31 is located in the second receiving cavity 1002) to improve the space utilization of the housing 40, and at the same time, it helps to balance the gravity of the air blower and makes it convenient for the user to hold it stably.

[0240] To better suit the gripping effect of the holding part 120, the battery cell 31 of the present invention is preferably a cylindrical or cuboid battery cell 31. For example, when the emergency battery cell 31 is cylindrical, the ratio of the length to the diameter of the cylinder is preferably not less than 2, or even not less than 3. For example, when the battery cell 31 is cuboid, the ratio of the length to the width of the cuboid is preferably not less than 2, or even not less than 3. This allows for a better fit with the long-handled gripping part 120.

[0241] In some embodiments, the energy storage component 300 may include an emergency battery cell 31 and a connecting wire 33. The emergency battery cell 31 is disposed within the housing 40 and electrically connected to the control component 10. The connecting wire 33 is electrically connected to the emergency battery cell 31 or the control component 10, and the connecting wire 33 is connected to an emergency interface 32. The control component 10 is used to control the emergency battery cell 31 to supply or de-energize the connecting wire 33. It is understood that connecting the emergency interface 32 via the connecting wire 33 provides greater flexibility to the emergency interface 32, facilitating adjustment of its position within the air blower according to actual conditions.

[0242] For example, there may be one or more connecting wires 33.

[0243] For example, as shown in Figures 3 and 4, one end of the connecting wire 33 is electrically connected to the emergency battery cell 31, and the other end is connected to the emergency interface 32. It is understood that when the energy storage component 300 is used to enable emergency starting of a vehicle, the energy storage component 300 needs to output a large current. Therefore, the connecting wire 33 can be directly electrically connected to the emergency battery cell 31. The current output from the emergency battery cell 31 to the connecting wire 33 does not pass through the circuit board 41, thus protecting the circuit board 41 while ensuring a stable current output.

[0244] Of course, in other embodiments, the emergency interface 32 may also be directly provided on the emergency battery cell 31.

[0245] In some embodiments, the emergency interface 32 is connected to the housing 40.

[0246] For example, the emergency battery 31 can be snapped between the first housing 101 and the second housing 102.

[0247] As shown in Figure 4, in some embodiments, a second protrusion 1014 is provided on the side of the first housing 101 and / or the second housing 102 near the receiving cavity 10a. The second protrusion 1014 is located between the energy storage component 300 and the first housing 101 and / or the second housing 102, so that the energy storage component 300 is at least partially spaced from the first housing 101 and / or the second housing 102, which facilitates heat dissipation of the energy storage component 300.

[0248] In some embodiments, the circuit board 41 and the emergency battery cell 31 are spaced apart to prevent the circuit board 41 from scratching the emergency battery cell 31 and affecting its normal use.

[0249] In some embodiments, the housing 40 may be provided with a placement groove 133 for placing the battery cell 31. As shown in FIG13, for example, the housing 40 may be provided with at least one fixing plate 131 and a plurality of fixing members 132 in the second receiving cavity 1002. The fixing plate 131 and the plurality of fixing members 132 form a placement groove 133, and the emergency battery cell 31 is installed in the placement groove 133.

[0250] One side of the fixing plate 131 can be used to set the circuit board 41, and the other side of the fixing plate 131 can be connected to the emergency battery cell 31.

[0251] Understandably, by using the surfaces of the fixing plate 131 and the fixing member 132 to fix the electrical components, the internal electrical components of the handheld air blower are arranged more compactly and neatly, which not only facilitates installation and disassembly, but also enhances the overall structural compactness of the handheld air blower.

[0252] It can be further understood that by forming a placement groove 133 with the fixing plate 131 and the fixing member 132, and installing the emergency battery 31 in the placement groove 133, damage to the emergency battery 31 caused by external vibration or collision can be reduced, thereby further improving the safety and stability of the handheld air blower.

[0253] <Emergency Interface>

[0254] The emergency battery cell 11 provides the electrical energy (current) required for emergency start-up through the emergency interface 32.

[0255] Emergency interface 32 is electrically connected to emergency battery cell 31, and emergency interface 32 can be used for emergency start-up.

[0256] Emergency interface 32 is generally located on housing 40 (positioned on housing 40).

[0257] For example, the emergency interface 32 can be connected to the housing 40 by adhesive bonding, and / or by snap-fit ​​connection, so that the emergency interface 32 is stably mounted on the housing 40, facilitating electrical connection between the vehicle and the emergency interface 32. For example, as shown in Figures 3 and 4, a second snap-fit ​​member 1013 is provided on the side of the first housing 101 near the receiving cavity 10a, forming a second slot, into which the emergency interface 32 can be snapped. For example, the emergency interface 32 may have a flange that can be snapped into the second slot. This improves the connection stability between the emergency interface 32 and the housing 40.

[0258] In some embodiments, the emergency battery 31 is snapped into the housing 40, and / or the emergency battery 31 can be connected to the housing 40 by adhesive bonding to achieve the positioning and installation of the emergency battery 31.

[0259] Specifically, an emergency interface 32 can be provided in the grip portion 120 of the housing 40.

[0260] Furthermore, the emergency interface 32 is located at one end of the grip 120 near the air outlet 110 and / or at the end of the grip 120 away from the air outlet 110. This prevents accidental activation of the emergency interface 32 while holding the grip 120 and using the air blower, and also allows the user to easily connect the emergency interface 32 to the vehicle's electrical system while holding the grip 120 to maintain the stability of the air blower.

[0261] In some embodiments shown in Figures 3 and 4, the emergency interface 32 is located on the grip portion 120 at the end away from the air outlet portion 110.

[0262] In some embodiments shown in Figures 12 and 22, the emergency interface 32 is located on the grip portion 120 near the air outlet portion 110. In this way, all electrical components (blower motor 21, emergency interface 32, circuit board 41, etc.) can be located on the same side of the emergency battery cell 32 (i.e., the upper side of the emergency battery cell 32), thereby facilitating circuit wiring.

[0263] In some embodiments shown in Figures 18 and 22, the emergency interface 32 is located on the grip 120 near the air outlet 110, and on the side facing the first air inlet (air intake) 10b. This is because the switch 43 controlling the air blower is typically located on the side facing the second air outlet (air outlet) 10c. Placing the emergency interface 32 and the air blower switch 43 on opposite sides makes full use of space, resulting in a more compact overall structure.

[0264] In some embodiments shown in Figures 3, 4, 13, 14, 18, and 24, the emergency interface 32 and the emergency battery 31 are arranged along the extension direction (second direction) of the grip 120. This arrangement makes the handle of the grip longer, facilitating both gripping and force application.

[0265] In some embodiments shown in Figures 3, 4, 13, and 14, the emergency interface 32 and the emergency battery 31 are arranged along the extension direction (second direction) of the grip portion 120, and the emergency interface 32 is located below the emergency battery 31 (away from the air outlet portion 31).

[0266] In some embodiments shown in Figures 18 and 24, the emergency interface 32 and the emergency battery 31 are arranged along the extension direction (second direction) of the grip portion 120, and the emergency interface 32 is located above the emergency battery 31 (in the direction close to the air outlet 31).

[0267] In some embodiments, a user can use two electrical connection wires (clamping wires) to connect one end of the electrical connection wire to the cathode or anode of the device to be started in an emergency (e.g., a car battery), and the other end to the emergency interface 32, thereby using the emergency battery cell 31 to start the device to be started in an emergency.

[0268] As shown in Figure 14, in some embodiments, the emergency interface 32 may be provided with a first electrical connector 3201 and a second electrical connector 3202. The first electrical connector 3201 and the second electrical connector 3202 can be connected to the cathode and anode of the device to be started in an emergency through their respective corresponding electrical connection lines to realize the emergency start function.

[0269] Specifically, the shapes of the first electrical connector 3201 and the second electrical connector 3202 can be different, such as circular and arched, triangular and square, so that the first electrical connector 3201 cannot be connected to the corresponding electrical connection line of the second electrical connector 3202, and the second electrical connector 3202 cannot be connected to the corresponding electrical connection line of the first electrical connector 3201.

[0270] Understandably, the foolproof design prevents the first electrical connector 3201 from being connected to the corresponding electrical connector of the second electrical connector 3202, and the second electrical connector 3202 from being connected to the corresponding electrical connector of the first electrical connector 3201. This makes it less likely for users to reverse the electrical connectors, improving the safety of the air blower when used as an emergency start-up power supply and ensuring the safe, normal, and stable operation of the emergency start-up function.

[0271] It is understandable that in vehicle use scenarios, especially for long-distance freight or passenger transport, users face many restrictions on wiring, cable management, and usage posture when using wired air blowers for cleaning, snow blowing, blowing, or air pumping. This can also lead to risks such as wire tangling and create electrical hazards.

[0272] In some embodiments, as shown in FIG14, the first electrical connector 3201 and the second electrical connector 3202 of the emergency interface 32 are arranged perpendicular to the second direction. In this way, the thickness direction (the dimension of the smallest size) of the emergency interface is often parallel to the second direction.

[0273] In some embodiments, as shown in Figures 24 and 30, the first electrical connector 3201 and the second electrical connector 3202 of the emergency interface 32 are arranged along a second direction. In this way, the thickness direction (the dimension of the smallest size) of the emergency interface is often perpendicular to the second direction. This arrangement reduces the thickness of the grip and makes the handle of the grip longer, facilitating both gripping and force application.

[0274] It can be further understood that emergency power equipment is a readily available, simple, and easily accessible source of power in vehicle use scenarios. This handheld air blower uses an emergency battery cell 31 as its power source, cleverly combining the air blower with the emergency power equipment. It not only realizes the function of the air blower, but also facilitates user use through the design of the grip part 120, and the structure is made more compact through the design of the receiving cavity 10a. Thus, the handheld air blower has the advantages of practical function, compact structure, and ease of use.

[0275] <Insulating Sheath>

[0276] In some embodiments, the energy storage component 300 is disposed within the housing 10a, and the housing 40 has a power transmission port 10d communicating with the housing 10a. The energy storage component 300 is connected to the power transmission port 10d through an emergency interface 32, so that the emergency interface 32 of the energy storage component 300 can be electrically connected to the vehicle through the power transmission port 10d.

[0277] As shown in Figure 4, in some embodiments, the air blower also includes an insulating sleeve 50, which is movably connected to the housing 40 and is used to cover the power supply port 10d. When the emergency interface 32 is needed to start the vehicle in an emergency, the insulating sleeve 50 can be controlled to move relative to the housing 40 so that the power supply port 10d is exposed, facilitating electrical connection between the vehicle and the emergency interface 32. When the emergency interface 32 is not needed to start the vehicle in an emergency, the insulating sleeve 50 can be controlled to move relative to the housing 40 to cover the power supply port 10d. The insulating sleeve 50 covers the power supply port 10d, which can protect the emergency interface 32 and prevent accidental contact.

[0278] For example, the insulating sleeve 50 may be made of insulating materials such as rubber or silicone.

[0279] It is understandable that the insulating sleeve 50 is movably connected to the housing 40, which can be manifested as: the insulating sleeve 50 is slidably connected to the housing 40, or the insulating sleeve 50 is rotatably connected to the housing 40, or the insulating sleeve 50 is detachably connected to the housing 40.

[0280] For example, as shown in FIG4, the housing 40 is provided with a mounting groove 10e, the bottom surface of the mounting groove 10e is connected to the power transmission port 10d, and the insulating sleeve 50 can be snapped into the mounting groove 10e so that the insulating sleeve 50 can cover the power transmission port 10d, and at the same time, the insulating sleeve 50 can be removed from the mounting groove 10e to expose the power transmission port 10d.

[0281] For example, the insulating sleeve 50 is provided with an operating part, which is at least partially located outside the mounting groove 10e, so that the user can press the operating part to remove the insulating sleeve 50 from the mounting groove 10e to expose the power supply port 10d.

[0282] As shown in Figures 3 and 4, in some embodiments, the insulating sleeve 50 is provided with a connecting part 51, and the bottom surface of the mounting groove 10e also has a connecting port that communicates with the receiving cavity 10a. One end of the connecting part 51 is connected to the insulating sleeve 50, and the other end passes through the connecting port and is located in the receiving cavity 10a. The outer diameter of the other end of the connecting part 51 is larger than the connecting port. The connecting part 51 is used to engage with the housing 40 to prevent the insulating sleeve 50 from being lost after it is removed from the mounting groove 10e.

[0283] In some embodiments, a sheath seat 52 may be provided on the grip portion 120, and a connecting portion 51 may be provided on one side of the insulating sheath 50.

[0284] Specifically, the connecting part 51 can be engaged with the sheath seat 52, and the insulating sheath 50 can cover the emergency interface 32.

[0285] Understandably, the insulating sleeve 50 can prevent external impurities and liquids from entering the emergency interface 32, thereby avoiding corrosion, short circuits, and malfunctions of the circuit board 41 and emergency battery 31 due to the influence of liquids or impurities, improving the safety and stability of the air blower, and preventing users from accidentally touching the emergency interface 32 and causing electric shock or other problems.

[0286] <Control Components>

[0287] In some embodiments, the air blower further includes a control component 10 (control circuit 10) electrically connected to the blower assembly 200 and the energy storage component 300. The control component 10 can control the start and stop of the blower assembly 200, making the state of the blower assembly 200 controllable. In some embodiments, the control component 10 can also be used to control the energy storage component 300 to supply power or cut off power.

[0288] For example, the control component 10 may be disposed within the receiving cavity 10a so that the housing 40 can protect the control component 10.

[0289] In some embodiments, the control component 10 includes a circuit board 41, a first switch 42, and / or a second switch 43. The circuit board 41 is disposed in the housing 40 and is electrically connected to the blower assembly 200 and the energy storage assembly 300.

[0290] In some embodiments, a first switch 42 is electrically connected to a circuit board 41 and is used to control the power supply or power cut-off of the energy storage component 300 (similar to a main power switch). A second switch 43 is electrically connected to the circuit board 41 and is used to control the start / stop and / or speed of the blower component 200 when the energy storage component 300 is powered. Thus, the states of the energy storage component 300 and the blower component 200 can be regulated using the first switch 42 and the second switch 43 respectively. When the blower's blowing function is needed, the first switch 42 and the second switch 43 can be turned on; when the blower's emergency start function is needed, the first switch 42 can be turned on and the second switch 43 can be turned off. Preferably, in addition to controlling the start / stop of the blower component 200, the second switch 43 can also be used to adjust the airflow level of the blower component 200 during startup. In other words, the start / stop and speed (wind speed / airflow level) of the blower component 200 are controlled by only one switch module. For example, when the second switch 43 is a button, pressing it for the first time switches the air blower from no wind to level 1. Pressing it again switches it from level 1 to level 2. Pressing it again switches it from level 2 to no wind.

[0291] In some embodiments, the first switch 42 may be omitted (or the functions of the second switch 43 may be combined). For example, a push-button switch, a long press turns the device on / off, and a short press switches gears.

[0292] In some embodiments, the first switch 42 (similar to a main power switch) may be omitted, the energy storage component 300 is powered by default, and then the blower component is controlled by a second switch 43.

[0293] In other embodiments, the first switch 42 is used to turn the blower assembly 200 on / off, and the second switch 43 is used to select the airflow level of the blower. For example, switching between two levels: high and low, or between three levels (or more) of high-medium-low.

[0294] In other embodiments, a combination of the first switch 42 and the second switch 43 can be used to select the airflow level of the blower. For example, a short press of the first switch 42 is used to turn the blower assembly 200 on / off, and then when the second switch 43 is in the third wind speed (high wind speed) position, a long press of the first switch 42 turns on the fourth wind speed (storm mode), which has a higher wind speed than the third speed.

[0295] In other embodiments, different wind speed settings are marked as different modes (different blowing scenarios) on the second switch 43. For example, the three wind speed settings of high-medium-low correspond to the snow blowing mode, leaf blowing mode, and dust blowing mode, respectively.

[0296] For example, the first switch 42 includes, but is not limited to, a touch switch, a push switch, a knob, a toggle switch, etc. The second switch 43 includes, but is not limited to, a touch switch, a push switch, a knob, a toggle switch, etc.

[0297] As exemplarily shown in Figure 4, the first switch 42 includes a switch body 421 and a button 422. The switch body 421 can be disposed within the receiving cavity 10a. The housing 40 also has a first mounting hole communicating with the receiving cavity 10a. The button 422 is connected to the wall of the receiving cavity 10a and is correspondingly disposed with respect to the switch body 421. The button 422 partially passes through the first mounting hole and is located outside the housing 40, so that the user can press the button 422. When the user presses the button 422, the button 422 can deform and move closer to the switch body 421. After being triggered, the switch body 421 sends a signal to the circuit board 41. After receiving the signal, the circuit board 41 can perform the corresponding operation. The setting of the second switch 43 can refer to the setting of the first switch 42, and can be the same or different from it, which will not be described in detail here.

[0298] For example, the switch body 421 can be fastened to the circuit board 41 by fasteners, or the switch body 421 can be fixed to the circuit board 41 by soldering. The specific method can be adjusted according to the actual situation and is not limited here.

[0299] For example, the first switch 42 and / or the second switch 43 may be located at one end of the grip 120 near the air outlet 110, so that the user can operate the first switch 42 and / or the second switch 43 while holding the grip 120.

[0300] For example, the first switch 42 and the second switch 43 may be located on different sides of the grip portion 120 so that the user can distinguish between the first switch 42 and the second switch 43, while preventing accidental activation.

[0301] For example, as shown in Figure 3, the second switch 43 can be located on the side where the second air vent 10c is located, and the first switch 42 is located on the adjacent side.

[0302] For example, as shown in Figure 18, the first switch 42 is a button located on the grip 120 near the second air vent 10c. The button direction can be parallel to the airflow direction (first direction) or perpendicular to the second direction. For example, the second switch 43 is a toggle switch corresponding to two or more (wind speed) levels. The toggle direction can be parallel to the airflow direction (first direction) or perpendicular to the second direction. The first switch 42 and the second switch 43 are located on different sides of the grip 120, such as adjacent sides or opposite sides.

[0303] For example, there may be one or more circuit boards 41 (two or more, three or more). When there are multiple circuit boards 41, the multiple circuit boards 41 can be electrically connected to each other, or they can be independently connected to the battery cells.

[0304] As shown in Figures 3 and 4, in some embodiments, the circuit board 41 can be disposed in the receiving cavity 10a, and the circuit board 41 can be electrically connected to the blower assembly 200 and the battery cell 31.

[0305] In some embodiments, the circuit board 41 is mounted between the blower assembly 200 and the battery cell 31. The arrangement from top to bottom is: blower assembly 200, circuit board 41, battery cell 31.

[0306] In some embodiments, as shown in Figures 18 and 24, the top-to-bottom arrangement is: hair dryer assembly 200, circuit board 41, emergency interface 32, and emergency battery cell 31. In other embodiments, the top-to-bottom arrangement may also be: hair dryer assembly 200, circuit board 41, emergency interface 32, emergency battery cell 31, and circuit board 41; or, hair dryer assembly 200, circuit board 41, emergency interface 32, and emergency battery cell 31 and circuit board 41 arranged side by side; or, hair dryer assembly 200, circuit board 41, emergency battery cell 31, and emergency interface 32.

[0307] The circuit board 41 can be disposed within the air outlet 110 and / or the grip 120. In other words, the circuit board 41 can be disposed within the air outlet 110 or the grip 120, or it can be disposed within the housing at the connection between the grip 120 and the air outlet 110, or it can be partially disposed within the air outlet 110 and partially disposed within the grip 120.

[0308] The circuit board 41 may include a plurality of sub-circuit boards 41, wherein at least one sub-circuit board 41 may be disposed in the air outlet 110, in the grip 120, or at the connection between the grip 120 and the air outlet 110.

[0309] Understandably, the circuit board 41 can be divided into a first circuit board and a second circuit board according to actual functional needs. On the one hand, this reduces the overall size of the circuit board 41 and facilitates the installation of the circuit board 41 and other electrical components. On the other hand, it makes the foldable design of the grip part 120 possible, so that the circuit board 41 will not be damaged due to folding, or the circuit board 41 will need to be further miniaturized, thereby increasing the cost.

[0310] It can be further understood that at least one of the first circuit board and the second circuit board can be disposed in the first receiving cavity 1001, the second receiving cavity 1002, or the connection between the first receiving cavity 1001 and the second receiving cavity 1002.

[0311] In some embodiments shown in Figures 3, 4, 13, 14, 18, and 24, the circuit board 41 is at least partially located in the grip portion 120, and the circuit board 41 and the battery cell 31 are arranged along the extending direction (second direction) of the grip portion 120. For example, the circuit board 41 is completely above the emergency battery cell 31 (closer to the air outlet than the emergency battery cell 31). This arrangement makes the handle of the grip portion longer, facilitating both gripping and force application.

[0312] Preferably, the circuit board 41 includes two or more sub-circuit boards 41, and all the sub-circuit boards 41 are located in the grip portion 120.

[0313] Preferably, two or more sub-circuit boards 41 are arranged parallel to each other at intervals (along the direction of extension of the grip portion).

[0314] Preferably, the surface area of ​​the circuit board 41 (e.g., each sub-circuit board 41) is smaller than the cross-sectional area of ​​the grip portion of the housing (perpendicular to the second direction).

[0315] Preferably, the plane containing the circuit board 41 (e.g., each sub-circuit board 41) is perpendicular to the second direction (the extension direction of the grip).

[0316] At this point, distributing the functions of circuit board 41 to two or more sub-circuit boards 41 has at least the following advantages: 1. It avoids the single board area being too large, thus avoiding increasing the width of the grip; 2. The multiple sub-circuit boards are arranged with intervals, which helps to form sufficient heat dissipation space; 3. It can increase the length-to-diameter ratio of the grip, making the handle of the grip longer, which is convenient for gripping and for applying force.

[0317] In some embodiments, as shown in FIG26, the circuit board 41 has a first sub-circuit board 411 and a second sub-circuit board 412. The first sub-circuit board 411 and the second sub-circuit board 412 can be connected by a connecting post (connecting plate) 413, for example, by electrical connection, such as by a pin header. The connecting post (connecting plate) 413 preferably has a certain supporting rigidity, thereby connecting the first sub-circuit board 411 and the second sub-circuit board 412 into a stable frame structure (e.g., maintaining the mutual parallelism and mutual spacing between the first sub-circuit board 411 and the second sub-circuit board 412). There can be one connecting post (connecting plate) 413 or multiple connecting posts (connecting plates) 413 (two or more, three or more). The connecting post (connecting plate) 413 can be disposed on one side of the circuit board 41 or on opposite sides of the circuit board 41. In other embodiments, the first sub-circuit board 411 and the second sub-circuit board 412 can also be connected by wires.

[0318] As shown in Figure 26, the first sub-circuit board 411 is located above the second sub-circuit board 412 and closer to the air outlet 11 of the housing.

[0319] Multiple electrical control function cabinets and electrical connections are distributed across multiple sub-circuit boards 411 and 412. For example, a charging / discharging port 70 is connected to the first sub-circuit board 411. The charging / discharging port 70 may include at least two different types of connectors, such as a USB connector 71 and a Type-C connector 72. The charging / discharging port 70 enables the energy storage component 300 to be charged and / or enables the energy storage component 300 to charge terminal devices such as mobile phones. For example, a first switch 42 (e.g., a push-button switch) and a second switch 43 (e.g., a toggle switch) are connected to the second sub-circuit board 412. In some embodiments, a control module for a hair dryer motor 21 is installed on the second sub-circuit board 412 to send control signals (e.g., PWM signals) to the hair dryer motor 21, thereby controlling the start, stop, and speed of the hair dryer motor 21. In some embodiments, a control module connected to an emergency interface 32 is installed on the second sub-circuit board 412 to control the power supply and disconnection to the emergency interface 32.

[0320] In some preferred embodiments, the circuit board 41 (two or more sub-circuit boards), the emergency interface 32, and the emergency battery 31 are all located within the grip portion 120. The arrangement of the circuit board 41 (two or more sub-circuit boards), the emergency interface 32, and the emergency battery 31 from top to bottom (away from the air outlet 11) along the direction extending from the grip portion (i.e., the second direction) facilitates wiring and also makes the handle of the grip portion longer, making it easier to hold.

[0321] Understandably, the circuit board 41 can be fixedly mounted on the housing 40, and the fixing method of the circuit board 41 is relatively flexible and can be adjusted according to the actual situation. For example, the circuit board 41 is snapped into the housing 40, and / or the circuit board 41 is fastened to the housing 40 by fasteners, and / or the circuit board 41 is glued to the housing 40.

[0322] For example, as shown in Figures 3 and 4, a first snap-fit ​​member 1012 is provided on the side of the housing 40 (e.g., the first housing 101) near the receiving cavity 10a. The first snap-fit ​​member 1012 forms a first slot, in which the circuit board 41 can be snapped. This improves the connection stability between the circuit board 41 and the housing 40. Preferably, the first snap-fit ​​member 1012 is disposed within the grip portion 120 of the housing 40, for example, at the end of the grip portion 120 near the air outlet portion 110.

[0323] As shown in Figures 3, 4, 27, and 28, there can be at least two first snap-fit ​​pieces 1012. The two first snap-fit ​​pieces 1012 are respectively used to snap onto opposite sides of the circuit board 41, for example, to snap onto opposite sides of the first sub-circuit board 411. By providing two opposing slots 1012 inside the housing, the circuit board 41 can be easily inserted into the slots 1012, thus facilitating the installation of the circuit board 41. Furthermore, the circuit board 41 is thus fixed within the housing 40, and there is a rigid connection between the circuit board 41 and the housing 40, thereby preventing displacement that may occur during use and during vehicle vibrations, thus protecting the relevant electrical components.

[0324] As shown in Figure 28, the two first latches 1012 located on opposite sides of the circuit board 41 can be asymmetrically arranged, for example, latches of different sizes. This is because the various functional modules on (near) the circuit board 41 are not symmetrical. For example, if a first switch 42 is provided on one side of the housing, the latch 1012 on this side can be smaller than the latch 1012 on the other side. In addition, the asymmetrical two latches make it easier to align the insertion of the circuit board 41; one side can be aligned first before inserting the circuit board 41, and then the other side can be aligned before inserting the circuit board 41.

[0325] The specific functions and components that the control circuit 10 may contain are further described below:

[0326] Referring to Figure 31, in the first aspect of the control circuit provided by the embodiment of the present invention, the present invention provides a control circuit applied to an air blower. The control circuit 10 includes an emergency battery cell 11, a drive module (drive circuit) 12 and a first control module (first control circuit) 13.

[0327] On the one hand, one end of the emergency battery 11 can be connected to the emergency interface 20 of the air blower 100, which is used for emergency start-up.

[0328] On the other hand, the other end of the emergency battery 11 can be connected to the blower motor 30 of the air blower 100 via the drive module 12. The first control module 13 is connected to the drive module 12, thereby controlling the drive module 12 to drive the blower motor 30 to blow air.

[0329] Specifically, the control circuit 10 provided by this invention aims to solve the problems caused by the separate existence of emergency jump starters and air blowers in the current market, including increased economic burden on car owners, inconvenience in carrying them, and wasted space in the vehicle. The provided control circuit 10 integrates the functions of an emergency jump starter and an air blower, allowing car owners to achieve both functions with just one device.

[0330] Specifically, the provided control circuit 10 is designed to combine the emergency start-up power supply and the air blower into one unit, making it more convenient for vehicle owners to use while reducing economic costs and the space occupied in the vehicle.

[0331] In this control circuit 10, the emergency battery cell 11 is the energy source for the device, providing the high current required for emergency startup and the low current required for normal operation of the blower motor 30. Based on actual needs, the control circuit 10 is configured to provide the blower motor 30 with appropriate current and voltage.

[0332] The drive module 12 can drive the blower motor 30 and adjust the motor speed and power according to the instructions of the first control module 13. By using the efficient drive module 12, the control circuit 10 can reduce energy loss.

[0333] In some embodiments, the drive module 12 supports PWM (Pulse Width Modulation) and other control strategies designed according to actual needs, which can precisely adjust the motor speed. For example, the first control module 13 can send a PWM signal, the drive module 12 receives the PWM signal, and adjusts the speed of the blower motor 30 under the control of the PWM signal. PWM (Pulse Width Modulation) is a technology that simulates analog voltage values ​​by rapidly switching digital signals. It does not change the magnitude of the voltage, but controls the average power by changing the ratio of "on" and "off" time. The first control module 13 can control the conduction or disconnection of a certain switching module (switching circuit) 14, and can also adjust the working state of the blower motor 30 by controlling the drive module 12.

[0334] For example, in the control circuit 10, a first switching module (first switching circuit) capable of controlling the overall circuit (controlling the overall output of the emergency battery cell) can be provided, and / or, a second switching module (second switching circuit) solely for controlling the output of the drive module 12 can be provided in the drive module. The first control module 13 can be configured to control the on or off state of the first and / or second switching modules.

[0335] The first control module 13 may include a microcontroller (MCU) for performing complex logic operations and signal processing. The first control module 13 can control the switching module and / or the motor drive module 12 to provide at least one of the following protections for the emergency battery cell 11: overload protection, short circuit protection, overheat protection, or undervoltage protection, ensuring the safe use of the air blower. The first control module 13 may also include logic circuits or control circuits composed of various pure hardware components capable of handling logic operations and signal processing.

[0336] Furthermore, the provided control circuit 10 may also include a user interface, such as an LCD display or LED indicators, providing clear mode selection and / or status display, allowing users to switch modes via buttons or a touchscreen. The user interface can also monitor parameters such as battery voltage, current, and temperature in real time to ensure the safe operation of the equipment.

[0337] In some embodiments, as shown in FIG32, the control circuit 10 further includes: a protection module 14 for connecting the emergency battery cell 11 and the emergency interface 20; and a second control module (second control circuit) 15, which is connected to the protection module 14. The second control module 15 is used to control the on / off state of the protection module 14, so as to control the on / off state of the emergency battery cell 11 supplying power to external devices through the emergency interface 20.

[0338] The protection module 14 ensures that the current from the emergency battery cell 11 can be input to the emergency interface 20 during emergency start-up. The emergency interface 20 is used to start the vehicle in case the vehicle battery is low. The protection module 14 can optionally use a relay or a MOSFET as a switching element, which is controlled to be turned on or off by a signal from the second control module 15.

[0339] In some embodiments, the first control module 13 and the second control module 15 can also be combined to form an integrated control module. This integrated control module can control the on / off state of the protection module 14, and also control the operating state of the drive module 12 (e.g., adjust the operating state of the blower motor 30).

[0340] In some embodiments, as shown in FIG33, the control circuit 10 may further include: a first trigger module 17, configured to receive a user's trigger operation and generate a first trigger signal; the first trigger module 17 is connected to the second control module 15. Based on the received first trigger signal, the second control module 15 can control the protection module 14 to be turned on or off.

[0341] Users can manually control the on / off state of the protection module 14 via the first trigger module 17, increasing the autonomous operability of the air blower 100. In situations requiring immediate disconnection of the connection corresponding to the emergency interface 20 or emergency start-up, users can quickly cut off the power supply to the emergency interface 20 via a button, without needing other complex steps. The first trigger module 17 provides an intuitive physical button for easy operation. The physical button reduces the possibility of accidental operation and improves the reliability of the equipment.

[0342] Furthermore, users can perform cyclic operations through the first trigger module 17. For example, if the trigger signal received by the first control module 13 last time was to turn on the protection module 14, the next time it will be to turn off the protection module 14, and so on. The introduction of the first trigger module 17 provides users with the ability to manually control the protection module 14 to turn on and off, increasing the autonomous operation and safety of the equipment.

[0343] In some embodiments, as shown in FIG33, the control circuit 10 may further include a second trigger module 18, which is connected to the first control module 13. When the second trigger module 18 is triggered, it generates a second trigger signal. Based on the received second trigger signal, the first control module 13 starts or stops the drive module 12, thereby driving or stopping the blower motor 30 from blowing air.

[0344] Users can manually control the start and stop of the blower motor 30 via the second trigger module 18, increasing the device's autonomy. When a quick start / stop of the blower function is required, the user can operate it quickly via the second trigger module 18 without needing other complex steps. After the user presses the second trigger module 18, the first control module 13 can respond quickly, immediately driving or stopping the blower motor 30, improving work efficiency. The manual start / stop function saves users time, especially in emergency situations where a quick stop of the blower motor 30 is needed.

[0345] In some embodiments, the second trigger module 18 can also be used to adjust the gear and direction of the blower motor 30.

[0346] The introduction of the second trigger module 18 provides users with manual control over the start and stop of the blower motor 30, improving operational convenience and work efficiency. These two designs not only make the equipment more user-friendly but also significantly enhance its reliability and safety. Users can quickly respond to abnormal situations via physical buttons, ensuring the equipment operates safely.

[0347] It should be noted that the first trigger module 17 and the second trigger module 18 can be buttons, toggle switches, rotary switches, touch screens, and voice receiving modules, etc., and the user's triggering operations include pressing, touching, voice input, etc. This application embodiment does not limit the type of the first trigger module 17 and the second trigger module 18.

[0348] Based on the above embodiments, the specific usage of the provided control circuit 10 can be as follows:

[0349] 1. Emergency Start: The vehicle owner connects the positive and negative terminals of the device's emergency interface 20 to the positive and negative terminals of the car battery, respectively. By pressing the button corresponding to the trigger protection module 14, the control circuit 10 enters the preset emergency start mode. The second control module 15 detects the trigger signal corresponding to the emergency start mode (e.g., receiving the first trigger signal) and sends a signal to the protection module 14, causing the high current of the emergency battery cell 11 to flow through the emergency start interface to the car battery, thereby starting the car. After the car starts successfully, the vehicle owner can disconnect the emergency interface 20 and can choose to disconnect the emergency interface 20 from the protection module 14 (e.g., by resending the first trigger signal through the first trigger module 17).

[0350] 2. Air blowing operation: The vehicle owner aims the air blower nozzle at the area where dust needs to be cleaned. By pressing the button corresponding to the trigger protection module 14, the control circuit 10 enters the preset air blowing mode. The first control module 13 detects the trigger signal corresponding to the air blowing mode (e.g., receiving the second trigger signal) and sends a signal to the drive module 12, causing the emergency battery 11 to generate a low current through the drive module 12, which then flows to the air blower motor 30. The air blower motor 30 starts working, blowing out strong air to clean the dust.

[0351] In some embodiments, the vehicle owner (user) can adjust the wind speed through the first control module 13. For example, different trigger signals can be generated by the second trigger module 18 (e.g., a toggle switch or rotary switch). For example, the first control module 13 can control the drive module 12 through a PWM signal, thereby adjusting the motor speed and achieving multi-level blowing control. After cleaning the dust, the vehicle owner turns off the blower motor 30, disconnects the nozzle connection, and can choose to disconnect the drive module 12 from the blower motor 30 through the control circuit 10. For example, by generating a shutdown signal through the second trigger module 18, the first control module 13, upon receiving the shutdown signal, instructs the drive module 12 to disconnect the power supply to the blower motor 30, thereby stopping the operation of the blower motor 30.

[0352] In summary, the control circuit 10, by integrating an emergency start-up power supply and an air blower, provides an efficient, convenient, economical, and safe solution. Its design not only meets the needs of car owners in various scenarios but also ensures the long-term stable operation of the air blower 100 through multiple protection mechanisms and intelligent monitoring functions. This integrated air blower 100 is highly practical in daily driving and can significantly enhance the user experience for car owners.

[0353] In some embodiments, as shown in FIG34, the control circuit 10 further includes a battery detection module 16, which is connected to the emergency battery cell 11 and the first control module 13 respectively.

[0354] On one hand, the battery detection module 16 is electrically connected to the emergency battery cell 11, thereby enabling it to detect the battery status of the emergency battery cell 11. On the other hand, the battery detection module 16 is electrically connected and / or connected to the first control module 13 via electrical signals, thereby enabling it to send a first detection signal to the first control module 13.

[0355] The battery detection module 16 generates a first detection signal regarding the status of the emergency battery cell 11. If the first detection signal indicates that the emergency battery cell 11 is abnormal, the first control module 13 controls the drive module 12 to disconnect the circuit (stop power supply), thereby causing the blower motor 30 to stop blowing air.

[0356] The battery detection module 16 can monitor key parameters of the emergency battery cell 11 in real time and generate a first detection signal. The type of parameters to be detected can be set according to actual needs, such as voltage, current, and temperature; this embodiment does not impose any limitations on this. Based on the detected battery parameters, a first detection signal can be generated / corresponding to. The first detection signal may include abnormal states such as low battery voltage, excessive current, or excessive temperature. The battery detection module 16 is connected to the first control module 13, thereby ensuring that the detection signal can be transmitted to the first control module 13 in real time.

[0357] The first control module 13 receives and processes the first detection signal generated by the battery detection module 16. If the first detection signal indicates that the emergency battery cell 11 is abnormal, the first control module 13 can control the drive module 12 to stop the operation of the blower motor 30, ensuring that the blower motor 30 does not continue to work when the battery is abnormal, thus avoiding further damage.

[0358] For example, as shown in FIG34, the battery detection module 16 can also be connected to the second control module 15.

[0359] The battery detection module 16 can send a first detection signal to the second control module 15. The second control module 15 is configured to control the protection module 14 to turn on or off based on the first detection signal.

[0360] If the first detection signal indicates that the emergency battery cell 11 is abnormal, the second control module 15 controls the protection module 14 to disconnect.

[0361] If the first detection signal indicates that there is an abnormality in the emergency battery cell 11, the second control module 15 will immediately control the protection module 14 to disconnect, cutting off the connection between the emergency battery cell 11 and the emergency start interface to prevent the current from continuing to flow.

[0362] In summary, the addition of the battery detection module (battery detection circuit) 16 significantly improves the safety and reliability of the control circuit 10. It can monitor various status parameters of the emergency battery cell 11 in real time and quickly take protective measures when an anomaly is detected, thereby avoiding equipment damage and potential safety risks. This design not only extends the lifespan of the equipment but also improves the user experience, especially in better protecting the safety of the driver and vehicle in emergency situations.

[0363] For example, the first detection signal may include at least one or more of the following: battery voltage detection signal, battery current detection signal, and battery temperature detection signal. As shown in FIG35, the battery detection module (battery detection circuit) 16 may include: battery voltage detection circuit 161, and / or, battery current detection circuit 162, and / or, battery temperature detection circuit 163.

[0364] The battery voltage detection unit 161 is connected to both the emergency battery cell 11 and the first control module 13, generating a battery voltage detection signal. Based on the received battery voltage detection signal, the first control module 13 can control the drive module 12.

[0365] For example, when the battery voltage detection signal indicates that the emergency battery cell 11 is over-voltage (the voltage is too high and exceeds the first voltage threshold), the first control module 13 controls the drive module 12 to stop the blower motor 30 from blowing air.

[0366] The battery current detection unit 162 is connected to both the emergency battery cell 11 and the first control module 13, generating a battery current detection signal. Based on the received battery current detection signal, the first control module 13 can control the drive module 12.

[0367] For example, when the battery current detection signal indicates that the emergency battery cell 11 is overcurrent (the current is too large and exceeds a current threshold), the first control module 13 stops the blower motor 30 from blowing by controlling the drive module 12.

[0368] The battery temperature detection unit 163 is connected to the emergency battery cell 11 and the first control module 13 respectively, and generates a battery temperature detection signal. For example, when the battery temperature detection signal indicates that the emergency battery cell 11 is overheated (the temperature is too high and exceeds a temperature threshold), the first control module 13 controls the drive module 12 to stop the blower motor 30 from blowing air.

[0369] The temperature detection unit 163 may include a thermistor or a temperature sensor, etc.

[0370] The battery voltage detection unit 161 is used to monitor the voltage of the emergency battery cell 11 in real time. It generates a battery voltage detection signal that indicates whether the voltage of the emergency battery cell 11 is within a safe range. It may include a voltage sensor for detecting the voltage of the emergency battery cell 11.

[0371] When the battery voltage detection unit 161 detects that the voltage of the emergency battery cell 11 exceeds the set safety limit (voltage too high, higher than the first voltage threshold, for example, 14.5V), the first control module 13 receives the overvoltage signal sent by the battery voltage detection unit 161, determines that the emergency battery cell 11 is overvoltage, and immediately controls the drive module 12 to disconnect, thereby cutting off the connection between the emergency battery cell 11 and the emergency start interface and the blower motor 30. The first control module 13 can also prompt the vehicle owner that the battery voltage is too high and that the emergency battery cell 11 needs to be checked.

[0372] When the battery voltage detection unit 161 detects that the voltage of the emergency battery cell 11 is lower than the set safety lower limit (voltage too low, below the second voltage threshold, for example, 10.5V), the first control module 13 receives the undervoltage signal sent by the battery voltage detection unit 161 and immediately disconnects the emergency battery cell 11 from the blower motor 30. The first control module 13 can also issue a warning to the vehicle owner that the voltage of the emergency battery cell 11 is too low and needs to be charged or the battery replaced.

[0373] The battery current detection unit 162 is used to monitor the current of the emergency battery cell 11 in real time. It generates a battery current detection signal that indicates whether the current of the emergency battery cell 11 is within a safe range. It may include a current sensor for detecting the current of the emergency battery cell 11.

[0374] When the battery current detection unit 162 detects that the current of the emergency battery cell 11 exceeds the set safety limit (excessive current, exceeding a current threshold, such as 100A), the first control module 13 receives an overcurrent signal sent by the battery current detection unit 162 and immediately controls the drive module 12 to disconnect, thereby cutting off the connection between the emergency battery cell 11 and the blower motor 30. The first control module 13 can also prompt the vehicle owner that the battery current is too high and that it is necessary to check whether the connection between the emergency battery cell 11 or the emergency interface 20 and the blower motor 30 is normal.

[0375] The battery temperature detection unit 163 is used to monitor the temperature of the emergency battery cell 11 in real time. It generates a battery temperature detection signal that indicates whether the temperature of the emergency battery cell 11 is within a safe range. It may include a temperature sensor for detecting the temperature of the emergency battery cell 11.

[0376] When the battery temperature detection unit 163 detects that the temperature of the emergency battery cell 11 exceeds the set safety limit (temperature too high, exceeding a temperature threshold, such as 60°C), the first control module 13 receives the overheat signal sent by the battery temperature detection unit 163 and immediately controls the drive module 12 to disconnect, thereby cutting off the connection between the emergency battery cell 11 and the blower motor 30. The first control module 13 can also prompt the vehicle owner that the battery temperature is too high and that the device needs to be cooled down before use.

[0377] Furthermore, as shown in Figure 35, the battery voltage detection unit 161 (and / or battery current detection unit 162, and / or battery temperature detection unit 163) can be simultaneously connected to the second control module 15. This allows the battery voltage detection signal (and / or battery current detection signal, and / or battery temperature detection signal) to be simultaneously sent to the second control module 15. The second control module 15 is configured to control the activation or deactivation of the protection module 14 based on the detection signal.

[0378] Similarly, when the second control module 15 receives an overvoltage, undervoltage, overcurrent, or overheat signal, the second control module 15 controls the protection module 14 to disconnect.

[0379] In summary, through the functions and effects of the battery voltage detection unit 161, battery current detection unit 162, and battery temperature detection unit 163, the safety and reliability of the control circuit 10 and the service life of the corresponding air blower 100 can be improved. This design not only provides car owners with a more convenient user experience but also greatly reduces the risk of equipment damage due to battery abnormalities, thereby saving maintenance costs and extending the service life of the equipment.

[0380] In some embodiments, the battery voltage detection unit 161 is connected to the positive terminal of the emergency battery cell 11; and / or, the battery current detection unit 162 is connected to the negative terminal of the emergency battery cell 11.

[0381] By connecting the battery voltage detection unit 161 to the positive terminal of the emergency battery cell 11, the battery voltage can be monitored more accurately, avoiding the influence of voltage drop caused by line resistance on the detection results. By connecting the battery current detection unit to the negative terminal of the emergency battery cell 11, the battery discharge current can be measured more accurately, because the negative terminal is usually closer to the inside of the battery, reducing the influence of line resistance.

[0382] In some embodiments, the air blower may also include a charging circuit (not shown). The emergency battery 11 is connected to the charging circuit, which charges the emergency battery 11. The control circuit 10 is configured to control the connection or disconnection between the charging circuit and the emergency battery 11. For example, the first control module 13 can control the emergency battery 11 to stop charging.

[0383] The charging circuit may include a voltage regulation circuit to adjust the voltage input to the charging / discharging port to meet the charging requirements of the emergency battery cell. Preferably, the voltage regulation circuit includes a boost circuit and / or a buck circuit. Exemplarily, the voltage regulation circuit may include a voltage regulation chip and / or a switching transistor.

[0384] The charging circuit may include a protocol identification circuit to identify the charging signal connected to the charging and discharging port. After successful identification, the emergency battery cell is charged according to a preset charging mode.

[0385] In some embodiments, if the battery voltage detection signal indicates that the battery is over-voltage, the first control module 13 controls the emergency battery cell 11 to stop charging.

[0386] When the battery voltage exceeds the set safety limit (voltage too high, exceeding the first voltage threshold, e.g., 14.5V), the first control module 13 immediately stops charging to prevent overcharging and avoid shortening battery life or damage. Overcharging may cause the battery temperature to rise, or even cause a fire or explosion. Stopping charging significantly improves device safety. The first control module 13 can automatically determine whether the battery is fully charged and stop charging without manual intervention, making it convenient for users. By preventing overcharging, battery life is extended, thereby extending the overall usage time of the device.

[0387] It should be noted that in some embodiments, if the battery current detection signal indicates that the battery is overcurrent, the first control module 13 controls the emergency battery cell 11 to stop charging.

[0388] When the battery current exceeds the set safety limit (excessive current, exceeding the first current threshold, e.g., 100A), the first control module 13 will immediately stop charging to prevent battery overcurrent and avoid damage to the internal battery structure or shortened lifespan. Overcurrent can cause a rapid increase in the internal temperature of the battery, or even cause a fire or explosion. Stopping charging can significantly reduce this risk. Overcurrent may be caused by a faulty charging device or an internal battery malfunction. The first control module 13 stopping charging can prompt the user to check the charging device or battery, allowing for timely identification and resolution of problems. Stopping charging prevents current from continuing to flow through the fault point, avoiding damage to other parts of the equipment.

[0389] In these embodiments, the first control module 13 can comprehensively determine the battery status by combining the battery voltage detection signal and the battery current detection signal, and more intelligently control the disconnection and connection of the charging module to ensure that the battery always operates within a safe range. When overvoltage or overcurrent is detected, the first control module 13 will automatically disconnect the charging module from the emergency battery cell 11 to prevent overcharging or overcurrent, thereby improving the reliability and safety of the device.

[0390] In some embodiments, the power supply voltage of the emergency battery cell 11 is input to the drive module 12, the control unit controls the drive module 12, and the drive module 12 converts the power supply voltage into a drive voltage, which drives the blower motor 30 to blow air.

[0391] The drive module 12 converts the different voltages provided by the emergency battery cell 11 into a suitable driving voltage for the blower motor 30, ensuring the device operates normally under different battery voltages. Users can use emergency battery cells 11 with different voltages without worrying about voltage mismatch, improving the device's flexibility and applicability. Simultaneously, the drive module 12 ensures stable power supply voltage, preventing unstable operation of the blower motor 30 due to battery voltage fluctuations. The voltage conversion by the drive module 12 prevents excessively high battery voltage from directly affecting the blower motor 30 and causing damage. Similarly, the voltage conversion by the drive module 12 prevents excessively low battery voltage from preventing the motor from starting or operating normally. By introducing the drive module 12, a stable conversion between the power supply voltage of the emergency battery cell 11 and the driving voltage of the blower motor 30 is achieved, improving the device's compatibility and energy efficiency while protecting the motor.

[0392] In some embodiments, the blower motor 30 includes N blower settings, where N is a positive integer greater than or equal to 2; each blower setting corresponds to a different driving voltage.

[0393] In other embodiments, the blower motor 30 includes N blowing speed settings, where N is a positive integer greater than or equal to 2; each blowing speed setting corresponds to a different duty cycle of the PWM signal. The duty cycle of the PWM signal refers to the ratio of the high-level time to the total period, and the average output voltage can be adjusted by changing the duty cycle.

[0394] Users can select different airflow levels to meet the needs of various scenarios. For example, the low level is suitable for light dust cleaning, while the high level is suitable for heavy dust or rapid cooling. Different airflow levels correspond to different drive voltages, enabling more precise airflow control and improving the user experience. Depending on the selected level, the drive module 12 outputs the corresponding drive voltage (average voltage), avoiding energy waste caused by over-powering. By supplying power on demand, the battery's discharge current and discharge time are effectively controlled, reducing the battery's burden and extending its lifespan. The multi-level design allows users to select different airflow levels according to their needs, achieving more precise control and more energy-efficient operation. This not only improves the equipment's performance and safety but also enhances the user experience, making the equipment more intelligent and user-friendly.

[0395] In some embodiments, as shown in FIG36, the control circuit 10 further includes a motor detection module 19, which is connected to the blower motor 30 and the first control module 13 respectively.

[0396] On one hand, the motor detection module 19 is electrically connected to the blower motor 30, thereby enabling it to detect the operating status of the blower motor 30. On the other hand, the motor detection module 19 is electrically connected and / or connected to the first control module 13 via electrical signals, thereby enabling it to send a second detection signal to the first control module 13.

[0397] The motor detection module 19 can generate a second detection signal regarding the status of the blower motor 30. If the second detection signal indicates that the blower motor 30 is abnormal, the first control module 13 controls the drive module 12 to disconnect the circuit (stop power supply), thereby stopping the blower motor 30 from blowing air.

[0398] The motor detection module 19 allows for real-time monitoring of the blower motor 30's operating status, enabling timely detection of any abnormalities. Real-time monitoring ensures the motor operates under normal conditions, improving equipment reliability and stability. If the blower motor 30 malfunctions, the first control module 13 immediately stops its operation to prevent further damage. Timely motor protection reduces motor damage and extends the overall lifespan of the equipment.

[0399] For example, the second detection signal may include at least one or more of the motor current detection signal and the motor temperature detection signal. The motor detection module 19 may include: a motor current detection unit, and / or, a motor temperature detection unit.

[0400] The motor current detection unit is connected to both the blower motor 30 and the first control module 13, generating a motor current detection signal. Based on the received motor current detection signal, the first control module 13 can control the drive module 12.

[0401] For example, when the motor current detection signal indicates that the blower motor 30 is overcurrent (the current is too large and exceeds a current threshold), the first control module 13 stops the blower motor 30 from blowing air by controlling the drive module 12.

[0402] The motor temperature detection unit is connected to both the blower motor 30 and the first control module 13, generating a motor temperature detection signal. Based on the received motor temperature detection signal, the first control module 13 can control the drive module 12.

[0403] For example, if the motor temperature detection signal indicates that the blower motor 30 is overheated (the temperature is too high, exceeding a temperature threshold), the first control module 13 controls the drive module 12 to stop the blower motor 30 from blowing air.

[0404] The first control module 13 can monitor the current of the blower motor 30 in real time through the motor current detection unit. If an overcurrent is detected (excessive current, exceeding a current threshold, such as a safety threshold of 100A), the first control module 13 will immediately stop the motor to prevent damage due to excessive current. Overcurrent can cause a rapid increase in the internal temperature of the motor, and may even cause a fire or explosion. Timely stopping of the motor can significantly reduce these risks.

[0405] The first control module 13 can monitor the temperature of the blower motor 30 in real time through the motor temperature detection unit. If overheating is detected (temperature too high, exceeding a temperature threshold, for example, exceeding the safe threshold of 80°C), the first control module 13 will immediately stop the motor to prevent damage due to high temperature. Overheating will cause a decline in the performance of motor materials and reduce the service life of the motor. Timely shutdown can protect the motor and extend its service life.

[0406] In some embodiments, the motor detection module 19 can simultaneously detect the motor's current and temperature, providing multiple protection mechanisms to ensure the motor operates within a safe range. The first control module 13 can comprehensively judge the motor's status based on the motor's current and temperature, providing more precise protection measures.

[0407] The motor current detection unit 181 and the motor temperature detection unit 182 provide dual protection against motor overcurrent and overheating. This comprehensive protection mechanism not only promptly detects and handles abnormal motor conditions but also enhances the user experience and extends the equipment's lifespan through user prompts and operation guidance. These designs make the equipment more intelligent and user-friendly, ensuring safe and reliable operation under various usage conditions.

[0408] In some embodiments, as shown in Figures 37 to 39, the drive module 12 includes: a first switch unit 121, the controlled terminal of which is connected to the first control module 13; and an interface unit 122, the output terminal of which is connected to the blower motor 30.

[0409] In some embodiments, the emergency battery cell 11 is first connected to the interface unit 122, then to the first switch unit 121, and then to the ground terminal 40. As shown in FIG37, the input terminal of the interface unit 122 is connected between the emergency battery cell 11 and the first terminal of the first switch unit 121 (as shown in FIG37).

[0410] In other embodiments, the emergency battery cell 11 is first connected to the first switching unit 121, then to the interface unit 122, and then to the ground terminal 40. As shown in FIG38, the input terminal of the interface unit 122 is connected between the second terminal of the first switching unit 121 and the ground terminal 40 (as shown in FIG38).

[0411] The first control module 13 controls the first switch unit 121 to conduct through the controlled terminal of the first switch unit 121, and then drives the blower motor 30 to blow air through the interface unit 122.

[0412] The first control module 13 precisely controls the power supply status of the emergency battery cell 11 through the controlled terminal of the first switching unit 121, ensuring that the hair dryer motor 30 only receives drive voltage when needed. Precise control of the switching unit reduces motor damage or battery over-discharge caused by misoperation. The first control module 13 can also control the first switching unit 121 to quickly disconnect when an overload is detected in the emergency battery cell 11 or the hair dryer motor 30, preventing safety issues caused by excessive current. If a short circuit is detected in the emergency battery cell 11 or the hair dryer motor 30, the first switching unit 121 can be immediately disconnected to protect the circuit from damage.

[0413] Meanwhile, the first control module 13 can control the first switching unit 121 to turn on or off as needed, preventing the blower motor 30 from consuming power when not needed. Precise switching control reduces ineffective battery discharge and extends battery life. Furthermore, the coordinated use of the first switching unit 121 and the interface unit 122 ensures the stability of the drive voltage, preventing motor instability caused by battery voltage fluctuations. The interface unit 122 can control and regulate the current supplied by the battery to a certain extent, ensuring the motor operates within a safe current range.

[0414] In some embodiments (not shown), the control circuit 10 may further include a load detection circuit for detecting the status of a load connected to the emergency interface (e.g., a car battery to be started, or a car load with the car battery disconnected).

[0415] In some embodiments, the load detection module is connected to the emergency interface (including an electrical connection) and is capable of detecting the electrical signal strength at the emergency interface, such as voltage and / or current strength. The load detection module is electrically connected and / or has an electrical signal connection to the second control circuit 15, thereby enabling it to send a third detection signal to the second control module 15 to control the on / off switching of the emergency battery cell 31 supplying power to the emergency interface 32.

[0416] The load detection module is configured to detect and determine when the vehicle ignition and starting action occurs. For example, it only connects the emergency battery to supply power to the vehicle for starting when it detects that the ignition and starting action has occurred; preferably, it automatically controls the power supply to disconnect after a certain period of time.

[0417] For example, the load detection module will only turn on the emergency battery to supply power to start the car when it detects that the voltage at the emergency interface (i.e., the positive voltage of the connected vehicle battery) drops by more than a preset threshold within a preset time period T0 (e.g., 2MS).

[0418] The load detection module can also be configured to detect the current at the emergency interface, that is, to detect the current supplied by the emergency battery cell to the load (car battery). For example, this supply current will be relatively large during vehicle ignition and start-up, and relatively small after the vehicle has started.

[0419] When the "ignition start" action occurs, the emergency battery cell is activated to supply power to the vehicle for a certain period of time (a preset time, such as 3 seconds or 5 seconds). The detected supply current is then compared to a threshold. When the supply current falls below this threshold, the power supply is disconnected. In other words, when the detected supply current is significantly less than the vehicle's ignition start operating current, the ignition start process is considered complete, and the energy storage module stops supplying power to the vehicle battery.

[0420] These controls prevent the emergency battery from discharging (powering) the car battery during "non-ignition start" periods, thus saving the energy stored in the energy storage component during "ignition start". This also alleviates the problem of insufficient power for other functions (such as "air blower") when "emergency start" and other functions (such as "air blower") share the energy storage component (the same emergency battery).

[0421] The load detection module can also be configured to detect the load connection status, and the second control circuit 15 can control the conduction and disconnection of the emergency battery cell 31 to supply power to the emergency interface 32 based on the detection result of the load connection status.

[0422] Optionally, detecting the load connection status includes correctly connecting the load. Specifically, the emergency interface connects to the positive and negative terminals of the load via the positive and negative terminals of the battery clamps (including cables and clamps). Furthermore, if the load is correctly connected, the emergency battery cell can be triggered or allowed to provide power to the load.

[0423] Optionally, detecting the load connection status includes reverse connection of the load. Specifically, the emergency interface is connected to the negative and positive terminals of the load through the positive and negative terminals of the battery clamp (including cable and clamp). Furthermore, if the reverse connection of the load is determined, the emergency battery cell is not allowed to provide power to the load.

[0424] Optionally, the load connection status can be detected as no-load, specifically, the emergency interface is not connected to the car battery. Furthermore, if no-load is determined, the emergency battery cell is not actively triggered to provide power to the load.

[0425] Optionally, detecting the load connection status includes an emergency interface short circuit, for example, a short circuit caused by the direct connection between the positive and negative clamps of the battery clamp connected to the emergency interface. Furthermore, if a short circuit is confirmed, the emergency battery cell is not allowed to provide power to the load.

[0426] The load detection module can also be configured to detect the health status of the load. The load health status can include the load voltage; for example, if the load voltage is greater than a preset voltage, such as greater than 7V, 8V, or 9V, the car battery is in a healthy state, allowing the emergency battery to supply current to the load to start the car. In some embodiments, if the car is detected to be in an unhealthy state, but a certain voltage value is met, such as greater than 2V, 3V, or 4V, the emergency battery is also allowed to supply current to the load.

[0427] The load detection module can also be configured to detect the type of load. For example, if the load is detected within a first voltage range, it indicates a 12V automotive load; if it is detected within a second voltage range, it indicates a 24V automotive load. If the load type does not correspond to the voltage platform of the emergency battery cell 31, the emergency battery cell 31 is not allowed to output through the emergency interface.

[0428] The load detection module described above can be configured to detect various embodiments. The load detection module can have one of these embodiments, or it can have a combination of multiple embodiments.

[0429] For example, as shown in Figure 39, the interface unit 122 is interface H1, and the first switching unit 121 is MOSFET Q1. The input terminals of interface H1 include input terminal 1, input terminal 2, and output terminal, and the output terminal is connected to the blower motor 30.

[0430] In some embodiments, a step-down resistor R may be provided in series with the interface unit 122 and the first unit 121. It is preferably located at the connection point with the emergency battery cell 11.

[0431] As shown in Figure 39, in some embodiments, the step-down resistor R may include resistors R1 and R2 connected in parallel. Resistors R1 and R2 are voltage divider resistors, and their parallel connection ensures that the input terminal 1 of interface H1 will not be damaged due to excessive voltage when the emergency battery 11 is connected. Simultaneously, the parallel resistors can absorb some transient voltage peaks, protecting interface H1 from damage caused by excessive voltage surges.

[0432] In some embodiments, the step-down resistor R is an adjustable resistor (the resistance value is adjustable). By adjusting the resistance value, the voltage finally distributed to the blower motor 30 can be adjusted, thereby adjusting the wind speed.

[0433] In other embodiments, the step-down resistor R is a resistor with a fixed resistance value. The first control module 13 adjusts the duty cycle through the PWM control signal, thereby adjusting the average output voltage and thus adjusting the wind speed.

[0434] When the first switching unit 121 is a MOSFET Q1, a resistor R3 can be connected in parallel between its gate (G) and source (S). Resistor R3 is a pull-down resistor, used to ensure that the gate (G) of MOSFET Q1 remains low in the absence of a control signal, and MOSFET Q1 is in the off state. This prevents the MOSFET from being falsely turned on due to unstable or faulty signals from the first control module 13. When the first control module 13 stops sending the turn-on signal, resistor R3 provides a discharge path, allowing the gate (G) of MOSFET Q1 to discharge quickly, ensuring that the MOSFET can be turned off rapidly and improving response speed.

[0435] In some embodiments, a resistor R4 can be connected in series between the controlled terminal (the input terminal of the control level, gate in FIG. 39) of the first switching unit 121 and the first control module 13. Resistor R4 is a current-limiting resistor. Resistor R4 limits the current from the first control module 13 to the gate of the MOSFET Q1, preventing excessive current from damaging the output terminal of the first control module 13 or the gate of the MOSFET. Resistor R4 can also serve as a signal matching resistor, ensuring that the signal output by the first control module 13 is impedance-matched with the gate input terminal of the MOSFET Q1, thereby improving the stability and reliability of signal transmission.

[0436] The resistance values ​​of the resistors R1, R2, R3 and R4 mentioned above are set according to actual needs, and this application embodiment does not impose any restrictions on this.

[0437] As shown in Figure 39, in some embodiments, when the input terminal 1 of interface H1 is connected between the emergency battery cell 11 and the first terminal of the first switching unit 121, a parallel resistor R1 and a resistor R2 can be connected between the input terminal 1 of interface unit 122 and the emergency battery cell 11. The input terminal 2 of interface H1 is connected to the drain (D) of MOSFET Q1, and the source (S) of MOSFET Q1 is connected to the ground terminal 40. The source of MOSFET Q1 is also connected to the gate (G) of MOSFET Q1 via resistor R3, and the gate of MOSFET Q1 is connected to the first control module 13 via resistor R4. The first control module 13 controls the conduction of MOSFET Q1 by sending a conduction signal to the gate of MOSFET Q1 and converts (adjusts) the voltage of the emergency battery cell 11 through methods such as PWM modulation. When MOSFET Q1 is on, the converted (adjusted) battery voltage is input to the blower motor 30.

[0438] In some embodiments, as shown in FIG40, the control circuit 10 further includes an early warning module 13a, which is connected to the first control module 13. If the emergency battery cell 11 is abnormal and / or the blower motor 30 is abnormal, the first control module 13 controls the early warning module 13a to issue an early warning.

[0439] The early warning module 13a can promptly alert the user when the emergency battery cell 11 or the blower motor 30 malfunctions, helping the user take preventative measures to prevent the fault from escalating. Timely warnings can reduce potential safety risks caused by malfunctions, such as battery overheating or short circuits.

[0440] The warning module 13a may include, but is not limited to: emitting an audible alarm to quickly attract the user's attention; displaying abnormal information via corresponding LED indicators to provide visual cues; and, in certain situations, alerting the user through vibration, especially in noisy environments. The warning module 13a can also provide detailed fault information in conjunction with the first control module 13, helping the user quickly locate the problem. Users can receive prompt alerts and take action when equipment malfunctions, reducing downtime caused by faults.

[0441] By introducing the early warning module 13a, timely warnings of abnormal conditions in the emergency battery cell 11 and the blower motor 30 are achieved, improving the safety and reliability of the equipment. Users can quickly understand the abnormal status of the equipment through one or more methods (sound, vision, vibration, etc.) and take corresponding measures to reduce the escalation of the fault and potential safety risks.

[0442] Referring to Figures 31 to 40, the working principle of the provided control circuit is illustrated with a specific embodiment:

[0443] When the first trigger module 17 is pressed, the second control module 15 detects a low level and sets the signal corresponding to the controlled terminal of the protection module 14 to a high level, allowing the emergency battery cell 11 to supply power to the vehicle through the emergency interface 20. If the user presses the first trigger module 17 again, the second control module 15 sets the signal corresponding to the controlled terminal of the protection module 14 to a low level, and the emergency battery cell 11 stops supplying power to the outside through the emergency interface 20.

[0444] When the second trigger module 18 is pressed, the first control module 13 detects a low level, and the emergency battery 11 supplies power to the blower motor 30 through the drive module 12. Pressing the second trigger module 18 again at this time causes the first control module 13 to set the signal corresponding to the drive module 12 to the next wind speed level (all wind speed signals can be high-level signals), changing the blower motor speed. Multiple wind speed levels can be set in this manner. If there are a total of 5 wind speed levels (N levels), when the second trigger module 18 is pressed for the sixth (N+1th) time, the first control module 13 can set the signal corresponding to the drive module 12 to a low level, and the emergency battery 11 stops supplying power to the blower motor 30 through the drive module 12.

[0445] The first control module 13 obtains battery temperature information through the battery temperature detection unit 163. When the battery temperature exceeds the set value, the first control module 13 will turn off the blower and start function, set the signals corresponding to the protection module 14 and the drive module 12 to low level, and at the same time, the LED light corresponding to the warning module 13a will flash for two seconds.

[0446] The first control module 13 obtains battery voltage information through the battery voltage detection unit 161. When the battery voltage exceeds or falls below a set value, the first control module 13 will perform the same operation as above, setting the corresponding signals of the protection module 14 and the drive module 12 to a low level. Furthermore, when the voltage is too high, the first control module 13 sets the charging signal between the emergency battery cell 11 and the external charging device to a low level to shut off charging.

[0447] The first control module 13 acquires battery current information through the battery current detection unit 162. When the battery discharge current exceeds the set value, the first control module 13 will perform the same operation as above, setting the corresponding signals of the protection module 14 and the drive module 12 to a low level. When the battery charging current exceeds the set value, the first control module 13 sets the charging signal between the emergency battery cell 11 and the external charging device to a low level to shut down charging.

[0448] The first control module 13 obtains motor temperature information through the motor temperature detection unit. When the motor temperature exceeds the set value, the first control module 13 will turn off the blowing function, set the signal corresponding to the drive module 12 to a low level, and at the same time, the warning module 10a will work (for example, the LED will flash for two seconds).

[0449] The first control module 13 obtains motor drive current information through the motor current detection unit. When the motor current exceeds the set value, the first control module 13 will turn off the blower function, set the signal corresponding to the drive module 12 to a low level, and at the same time, the warning module 10a will work (e.g., the LED flashes for two seconds).

[0450] Please refer to Figure 41. The present invention provides an air blower 100, which includes an emergency interface 20, a blower motor 30, and a control circuit 10 provided in any embodiment of the present invention. The control circuit 10 is connected to the emergency interface 20 and is used to control the emergency interface 20 to start in an emergency. The control circuit 10 is connected to the blower motor 30 and is used to drive the blower motor 30 to blow air.

[0451] The control circuit 10 may include an emergency battery 11, a protection module 14, a drive module 12, and a first control module 13. The first end of the protection module 14 is connected to the emergency battery 11, and the second end is connected to the emergency interface 20 of the air blower 100, which is used for emergency start-up. The drive module 12 is connected to the emergency battery 11 and the blower motor 30 of the air blower 100. The first control module 13 is connected to the control terminal of the protection module 14 and is used to control the on / off state of the protection module 14. The first control module 13 is also connected to the drive module 12 and is used to drive the blower motor 30 to blow air via the drive module 12.

[0452] Meanwhile, the emergency interface 20 can enable operations such as ignition and power supply to external devices. The air blower 100 can also be a hair dryer, dust blower, or other similar equipment. This application embodiment does not limit this.

[0453] <Charging / Discharging Port>

[0454] As shown in Figures 2 and 4, in some embodiments, the air blower further includes one or more charging / discharging ports 70 (ports for charging and / or discharging), which can be electrically connected to the energy storage component 300 or the control component 10. The charging / discharging ports 70 enable the energy storage component 300 to be charged, and / or enable the energy storage component 300 to charge terminal devices such as mobile phones and tablets, further diversifying the functions of the air blower.

[0455] For example, the charging / discharging port can be soldered to a circuit board for electrical connection to the circuit board.

[0456] The charging / discharging port can be a USB-A port, a USB-B port, a Type-C port, a Lightning interface, or an AC interface, etc. This is an example and does not limit the invention to the interface type described here.

[0457] For example, the charging and discharging port can be placed at any position on the grip portion 120 of the housing. Optionally, it can be located near the air outlet 110, or at the bottom of the grip portion 120, either on the side of the bottom or on the end face of the bottom. For example, on the side of the bottom, it is convenient for the device to be charged upright. For example, on the end face of the bottom, it makes the side of the grip portion look cleaner.

[0458] The housing 40 may be provided with a first charging / discharging port 71 and / or a second charging / discharging port 72. Optionally, the first charging / discharging port 71 may be a USB port, and the second charging / discharging port 72 may be a Type-C port. For example, the first charging port 71 may be a USB-A or USB-B port, and the second charging / discharging port 72 may be a Type-C port.

[0459] The first charging / discharging port 71 and the second charging / discharging port 72 can be electrically connected to the circuit board 41 or the emergency battery cell 31.

[0460] The first charging / discharging port 71 and / or the second charging / discharging port 72 can be located at any position on the grip portion 120 of the housing 40, preferably near the air outlet 110. This is because it is close to the circuit board 14, making wiring convenient.

[0461] In some embodiments, the first charging / discharging port 71 and / or the second charging / discharging port 72 are disposed on a relatively wide side of the grip (e.g., on a side parallel to the air outlet direction (first direction)) because the USB port occupies a relatively large area.

[0462] In some embodiments, the switch 43 of the air blower is a toggle switch (or rotary switch), which also requires a relatively large area. Therefore, the first charging / discharging port 71 and / or the second charging / discharging port 72 are located on the side opposite to the toggle switch (or rotary switch) of the air blower.

[0463] Understandably, the USB and / or Type-C ports allow the air blower to be used as a power bank, making it convenient for users to charge the emergency battery cell 31. This also allows for fuller utilization of the power supply potential of the emergency battery cell 31, expanding the air blower's uses and functions, further improving efficiency and user experience, increasing usage frequency, preventing the emergency power supply equipment from being forgotten or damaged, and enabling users to charge the equipment promptly based on its battery level due to frequent use, thus improving the power supply stability of the emergency power supply equipment.

[0464] It can be further understood that the charging and discharging port can be either a one-way charging port or a one-way discharging port, or it can be a socket that can both charge and discharge.

[0465] <Signal / Display>

[0466] In some embodiments, the housing 40 may also be provided with an indicator light and / or a display screen, which is electrically connected to the circuit board 41 for displaying the working information of the handheld air blower.

[0467] This work information may include tire pressure information, equipment power level, blower motor operating speed, equipment operating mode, and the status of the load connected to the emergency interface.

[0468] Understandably, when using this handheld air blower to inflate or blow air, users can determine when to stop the inflating or blowing operation by using the tire pressure information and device power information provided by the indicator lights or display screen.

[0469] The indicator lights and / or display screen may include one or more, for example, multiple indicator lights. The first indicator light is used to display the device's battery level, and the second indicator light is used to display the operating level of the blower motor.

[0470] <Button Components>

[0471] In some embodiments, the air blower of the present invention may have a button group 44.

[0472] The user can manually operate the switches on the control circuit 10 via the button group 44, such as the first switch 42 and / or the second switch 43.

[0473] The button group 44 preferably consists of two or more buttons.

[0474] As shown in Figure 14, the button group 44 may include a first button 4201 and a second button 4301. The first button 4201 and the second button 4301 may be located in the grip portion 120 near the air outlet portion 110.

[0475] As shown in Figure 15, in some embodiments, the fixing part 4403 of the first button 4201 and / or the second button 4301 is heat-fused to the inner wall of the housing 40.

[0476] In some embodiments, the first button 4201 can be used to control the power supply function of the emergency battery cell 31 through the circuit board 41, and the second button 4301 can be used to control the working mode or air blowing level of the air blower through the circuit board 41.

[0477] Understandably, the first button 4201 and the second button 4301 can be located on the grip part 120 near the air outlet 110. This not only makes it easier for the user to hold and operate the button group 44 with one hand, but also facilitates the installation of the circuit board 41 and the internal wiring of the air blower. As a result, the button signal can be received using only one circuit board 41 and a shorter electrical connection wire, saving material costs.

[0478] In some embodiments, the user can start the air blower using the first button 4201, control the working mode or air blowing level of the air blower using the second button 4301, and then turn off the air blower using the first button 4201.

[0479] In some embodiments, repeated use of the second button 4301 can switch the working mode or air blowing level of the air blower.

[0480] For example, the first use of the second button 4301 can switch the air blower from no wind to the first wind setting, the second use can switch from the first wind setting to the second wind setting, and the third use can switch from the second wind setting back to no wind.

[0481] Understandably, the working mode or air blowing level can be switched through a second button 4301, which is simple in design, convenient in operation, and easy for users to use.

[0482] In some embodiments, the second button 4301 may be disposed on the first side of the grip portion 120, the first side facing the second air outlet 10c of the air blower; the first button 4201 may be disposed on the second side of the grip portion 120, the second side being the adjacent surface to the first side.

[0483] In other embodiments, the second button 4301 may be disposed on the first side of the grip portion 120, the first side facing the second air outlet 10c of the air blower; the first button 4201 may be disposed on the second side of the grip portion 120, the second side being the corresponding (opposite) side to the first side.

[0484] In other embodiments, the first button 4201 may be disposed on the first side of the grip portion 120, the first side facing the second air outlet 10c of the air blower; the second button 4301 may be disposed on the second side of the grip portion 120, the second side being the adjacent or opposite side to the first side.

[0485] Understandably, by placing the first button 4201 and the second button 4301 on different surfaces, the design is simple and clear, making it easy for users to operate and preventing accidental touches.

[0486] In some embodiments, the button group 44 may include one or more of the following: a press button, a push (toggle) button, a knob button, a touch button, etc.

[0487] For example, as shown in FIG16, the first button 4201 and / or the second button 4301 may include a pressing part 4401, an elastic arm 4402, and a fixing part 4403. The pressing part 4401 can be connected to the fixing part 4403 through the elastic arm 4402. The fixing part 4403 can be connected to the inner wall of the housing 40. The housing 40 may be provided with a pressing opening 1201. The pressing part 4401 of the first button 4201 and / or the second button 4301 can pass through the pressing opening 1201 and protrude from the housing 40.

[0488] The elastic lever arm 4402 may include a butterfly lever arm or a strip lever arm.

[0489] It is understandable that the pressing opening 1201 can be formed by assembling multiple parts of the housing 40, or it can be directly opened on the housing 40.

[0490] In some embodiments, the elastic lever arm 4402 can also function as both an elastic lever arm 4402 and a fixing part 4403. For example, a pressing part 4401 is provided at one end of the bar lever arm, and the other end is connected to the inner wall of the housing 40 as a fixing part 4403.

[0491] It is understandable that, through the design of the pressing part 4401, the elastic arm 4402 and the fixing part 4403 of the first button 4201 and / or the second button 4301, the traditional scheme of fixing the button to the switch body of the circuit board 41 can be transformed into a scheme where the button and the switch body of the circuit board 41 are detachable or abutting, while the button and the housing 40 are fixedly connected.

[0492] It can be further understood that, since the circuit board 41 is often fixedly located inside the housing 40, if the button is fixedly connected to the circuit board 41, the button pressing part 4401 may misalign with the pressing opening 1201 after the housing 40 is machined and assembled. Conversely, if the button is fixedly connected to the housing 40 and the pressing part 4401 abuts against the circuit switching element, it ensures the normal functioning of the button signal and improves the connection accuracy between the pressing opening 1201 of the housing 40 and the button. This not only improves the waterproof and airtightness of the connection between the pressing part 4401 and the pressing opening 1201, thus enhancing the safety and stability of the air blower, but also increases the machining yield and reduces machining accuracy requirements and costs.

[0493] <Battery clamp>

[0494] In some embodiments, battery clamps 900 can be used to connect emergency interface 20 to an external battery (e.g., the battery of a car to be started).

[0495] The battery clamp 900 is attached to the outside of the housing 40, so it is also called an external battery clamp. In some embodiments, the battery clamp can be fixedly connected to the housing, and in some embodiments, the battery clamp can also be detachably connected to the housing, for example, the battery clamp and the emergency interface can be plugged in and detached.

[0496] As shown in Figure 25, the battery clamp 900 has a power input interface 902 and a power output interface 903. It may also have a circuit section 901.

[0497] The power input interface 902 is configured to cooperate / connect with the emergency interface 20 of the emergency battery cell 11, thereby obtaining the electrical energy required for emergency start-up (jump start).

[0498] The power output interface 903 is configured to be connected to a car battery.

[0499] The power output interface 903 has two conductive clips, one for connecting to the positive terminal and the other to the negative terminal of the car battery. For example, the red conductive clip connects to the positive terminal of the battery, and the black conductive clip connects to the negative terminal.

[0500] In some embodiments, the circuit section 901 may have a switching module and / or a control module.

[0501] For example, the first trigger module 17 in the control components above can be externally placed in the battery clamp 900, for example, for use in manually turning on / off the power supply for emergency start-up.

[0502] For example, the second control module 15 in the above-mentioned <control components> can be externally placed in the battery clamp 900, and the activation function of the protection module 14 can be controlled through the second control module 15 in the battery clamp 900. The first trigger module 17 that controls the second control module 15 can also be externally placed in the battery clamp 900.

[0503] In some embodiments, the protection module 14, the second control module 15, and the first trigger module 17 mentioned above in the "Control Components" section are all externally mounted in the battery clamp 900.

[0504] In some embodiments, the emergency battery cell 11 is directly connected to the emergency interface 20, and all control circuits and / or protection circuits and / or switching circuits that control the emergency start power supply are externally mounted on the battery clamp 900.

[0505] In some embodiments, the load detection module described in the control components above is also externally mounted in the battery clamp 900.

[0506] By externalizing at least some (or even all) of the control modules / detection modules / switch modules related to "emergency start" into the battery clamp 900, the size of the grip 120 can be minimized, making the air blower structure more compact and convenient for users to use as a handheld air blower.

[0507] <Airflow guide>

[0508] In some embodiments, the air blower may have a guide member 60. The guide member 60 is configured to connect to the housing 40 or the blowing assembly 200. The guide member 60 is correspondingly disposed to the second air outlet (air outlet) 10d. The guide member 60 is used to adjust the airflow effect at the air outlet 10d.

[0509] In addition, the guide component 60 is set to correspond to the air outlet 10d, so that the guide component 60 can adjust the airflow effect at the air outlet 10d, such as adjusting the airflow speed and airflow range, so as to improve the working efficiency of the air blower when it is used for dust removal or air drying.

[0510] By using the air guide, the airflow at vent 10d can be adjusted, making the airflow from the blower more concentrated and allowing it to penetrate deeper into crevices to blow away dust and debris. Alternatively, when there is a large amount of water or snow on the car body surface, the air guide can be used to adjust the airflow at vent 10d, increasing the airflow range of the blower and enabling it to blow away the water or snow from the car body surface more quickly.

[0511] As shown in Figures 5 to 10, in some embodiments, the air guide 60 has an air guide channel 61, which is connected to the air outlet 10d of the blower assembly 200. The airflow output from the air outlet 10d can be blown out through the air guide channel 61. By introducing the airflow output from the air outlet 10d into the air guide channel, the airflow velocity or flow range can be adjusted within the air guide channel 61, preventing the airflow from being too dispersed and affecting the airflow effect. Alternatively, the air guide channel 61 is connected to the second air outlet 10c of the housing 40, and the airflow output from the second air outlet 10c can be blown out through the air guide channel. The airflow effect at the second air outlet 10c is adjusted by using the air guide channel 61.

[0512] The flow guide 60 may have a flow collecting section 611, the radial dimension of which gradually decreases outward along the first direction.

[0513] As shown in Figures 6, 8, and 10, in some embodiments, the flow guiding channel may include a collecting section 611 and a guiding section 612. The collecting section 611 connects the second air outlet 10c and the guiding section 612, and the radial dimension of the collecting section 611 gradually decreases along the direction from the collecting section 611 to the guiding section 612. It is understood that the radial dimension of the collecting section 611 gradually decreases along the direction from the collecting section 611 to the guiding section 612. This allows the airflow output from the air outlet 10d of the blowing assembly 200 (from the second air outlet 10c) to be concentrated in the collecting section 611 after entering the flow guiding channel, thereby increasing the wind speed and improving the air outlet efficiency.

[0514] For example, the direction from the collection section 611 to the guide section 612 can be shown as the X direction in Figure 3.

[0515] Understandably, the radial dimension of guide section 612 can be designed according to the application scenario.

[0516] For example, as shown in Figures 5 and 6, the radial dimension of the guide section 612 can gradually decrease along the direction from the collecting section 611 to the guide section 612. This allows the airflow output from the collecting section 611 to be further concentrated in the guide section 612, further increasing the outlet air velocity and facilitating the outlet air to penetrate into narrowly spaced gaps for dust removal.

[0517] For example, as shown in Figures 7 to 10, the radial dimension of the guide section 612 can gradually increase along the direction from the collection section 611 to the guide section 612. This allows the airflow output from the collection section 611 to be stably diffused within the guide section 612, increasing the air outlet area of ​​the air blower and facilitating dust removal or drying of a large area.

[0518] In some embodiments, as shown in Figures 7 and 8, an extension section 613 may be provided between the collecting section 611 and the guide section 612. The radial dimension of the extension section 613 remains consistent (diameter unchanged) in the direction from the collecting section 611 to the guide section 612. This avoids the situation where the airflow cannot diffuse to the radial edge of the guide section 612 after exiting the collecting section 611 due to an excessive difference in radial dimension between the collecting section 611 and the guide section 612, thus preventing the guide section 612 from failing to adjust the outlet area of ​​the airflow.

[0519] In some embodiments, the air guide 60 is detachably connected to the housing 40 or the blowing assembly 200. By replacing the air guide 60 with one of different structures, the air blower can have a variety of air output effects, thereby improving its adaptability and enabling it to be used in more scenarios.

[0520] As exemplarily shown in Figures 11 and 12, the blower assembly 200 is disposed in the receiving cavity 10a of the housing 40, and the guide member 60 is detachably connected to the housing 40 to facilitate the assembly and disassembly of the guide member 60 while protecting the blower assembly 200.

[0521] In some embodiments, the housing 40 is snap-fitted to the flow guide 60; and / or, the housing 40 and the flow guide 60 are magnetically connected; and / or, the housing 40 and the flow guide 60 are threaded together; and / or, the housing 40 and the flow guide 60 are interference-fitted. It is understood that the connection method between the housing 40 and the flow guide 60 is quite flexible and can be adjusted according to actual conditions.

[0522] Threaded connection: Both have matching external and internal threads, and a fastening connection is achieved by rotation.

[0523] Magnetic connection: Both are equipped with magnetic components, and the connection is achieved through magnetic attraction.

[0524] Magnetic connection: Both are equipped with locking blocks and slots, and locking is achieved by rotation / movement.

[0525] As examples of the snap-fit ​​connection between the housing 40 and the guide 60, the following embodiments can be referred to.

[0526] For example, the flow guide 60 is sleeved on the outer periphery of the housing 40. The outer periphery of the housing 40 is provided with either a locking block 6011 or a locking groove 1011, and the inner side of the flow guide 60 is provided with the other locking block 6011 or locking groove 1011. The housing 40 and the flow guide 60 are engaged by the locking block 6011 engaging with the locking groove 1011. For example, the flow guide 60 and the housing 40 are engaged by rotation.

[0527] For example, multiple snap-fit ​​connections are made between the flow guide 60 and the housing 40, which helps to improve the connection stability between the flow guide 60 and the housing 40.

[0528] In some embodiments, one of the housing 40 and the flow guide 60 is provided with a guide groove 601, and the other of the housing 40 and the flow guide 60 is provided with a protrusion 101. The protrusion 101 is movably engaged with the guide groove 601, and the protrusion 101 can move relative to the guide groove 601 until the housing 40 and the flow guide 60 are engaged. By movably engaging the protrusion 101 and the guide groove 601, the flow guide 60 is guided to move relative to the housing 40 in a predetermined direction, so as to facilitate engaging the flow guide 60 onto the housing 40. At the same time, the movable engagement of the protrusion 101 and the guide groove 601 helps to further improve the connection stability between the housing 40 and the flow guide 60.

[0529] For example, as shown in FIG12, the outer periphery of the housing 40 is provided with a protrusion 101, and a slot 1011 is formed by the protrusion 101. The inner side of the flow guide 60 is provided with a guide groove 601, and a locking block 6011 is formed on the groove wall of the guide groove 601. After the protrusion 101 extends into the guide groove 601 from the groove opening, the flow guide 60 is controlled to rotate relative to the housing 40, so that the protrusion 101 slides along the groove wall of the guide groove 601 until the locking block 6011 is engaged with the slot 1011, thereby realizing the engagement of the flow guide 60 and the housing 40.

[0530] <Vacuum Cleaning Components>

[0531] As shown in Figures 18 and 19, in some embodiments, the air blower may have a dust collection assembly 90.

[0532] The vacuuming assembly 90 is configured to connect to either the housing 40 or the blower assembly 200. In particular, it is located on the side of the first air inlet (air outlet) 10b.

[0533] The vacuuming assembly is used to suck up dust (debris), thereby enabling the cleaning of the interior of a car (such as seats).

[0534] The vacuum assembly 90 has a vacuum body 91. The vacuum body 91 has a suction port, a filter, and a dust chamber. Dirt (such as dust) in the air drawn in from the suction port is filtered by the filter and remains in the dust chamber. The dust chamber is removable for easy cleaning of the dust chamber and / or replacement of the filter.

[0535] When the vacuum assembly 90 is connected to the first air inlet (air inlet) 10b of the housing 40 (and / or the blower assembly 200), vacuuming can be performed by the blower assembly 200 (e.g., the blower motor 21 therein). Under the action of the blower assembly 200 (e.g., the blower motor 21 therein drives the impeller to rotate), a negative pressure is generated at the vacuum inlet, thereby sucking in fine debris such as dust and paper scraps into the vacuum assembly. The sucked-in debris is filtered by the filter and collected in the dust chamber, while clean air is discharged from the second air inlet (air outlet) 10c of the blower.

[0536] Therefore, the vacuuming assembly 90 and the blowing assembly 200 can form a complete airflow channel for the vacuum cleaner. The vacuuming assembly 90 serves as the air inlet and filter, while the blowing assembly 200 serves as the airflow driver and outlet.

[0537] The vacuuming assembly 90 of the present invention has a vacuuming connector 94 to enable the connection between the vacuuming assembly 90 and the housing 40 (and / or the blower assembly 200).

[0538] In some embodiments, the vacuuming assembly 90 is detachably connected to the housing 40 (and / or the blower assembly 200). Because the vacuuming assembly 90 generally occupies a relatively large space, a detachable connection facilitates storage.

[0539] In some embodiments, the connection between the vacuuming assembly 90 and the housing 40 (and / or the blower assembly 200) can be a snap-fit; and / or a magnetic connection; and / or a threaded connection; and / or an interference fit. A snap-fit ​​and / or magnetic connection is preferred.

[0540] The various connection methods between the flow guide 60 and the housing 40 described in the above-mentioned <flow guide> are also applicable to the connection between the dust collection assembly 90 and the housing 40 (and / or the blower assembly 200).

[0541] For example, the vacuuming assembly 90 and the housing 40 (and / or the blower assembly 200) can be engaged by rotation.

[0542] One of the two components has a guide groove and a slot, while the other has a protrusion (slot). After the protrusion (slot) is aligned and enters the guide groove, the two components rotate relative to each other, and the protrusion (slot) moves along the guide groove into the slot, forming a snap-fit.

[0543] Preferably, as shown in FIG21, in some embodiments, the vacuuming assembly 90 and the housing 40 (and / or the blower assembly 200) are magnetically connected.

[0544] The housing 40 (and / or the blower assembly 200) is provided with a first magnetic element 991, and the vacuuming assembly 90 has a second magnetic element 992. The first and second magnetic elements are configured to attract each other when they are close to each other.

[0545] The first and second magnetic chucks are commonly made of magnets, such as permanent magnets or ferromagnets. At least one of the first and second magnetic chucks is made of a permanent magnet material.

[0546] As mentioned above, a filter screen (grid portion) 22 may be provided on the housing 40 and / or the blower assembly 200. For example, a grid member (air inlet grid 221) may be provided at one end of the housing 40 and / or the blower assembly 200 (the air inlet end). For example, the air inlet grid 221 may have an annular or circular overall frame. For example, the air inlet grid 221 may have multiple guide vanes. For example, the guide vanes may be parallel or inclined relative to the first direction (the longitudinal direction of the blower assembly, i.e., the axial direction of the blower motor).

[0547] An insert can be provided on the air intake grille 221 for embedding the first magnetic member 991 (e.g., a magnet). This forms a magnetic attachment on the housing 40 (blowing assembly 200). In some embodiments, the air intake grille 221 is annular, with the magnet embedded at the center (center of the circle) (see FIG. 21a). In other embodiments, the air intake grille 221 is circular, with M magnets evenly distributed (centrally symmetrically distributed) on the circle. For example, they are evenly arranged along the circumference (see FIG. 21b). Here, M is an integer greater than or equal to 2, preferably 3 or 4.

[0548] On the vacuuming assembly 90 (e.g., vacuuming connector 94), a second magnetic member 992 corresponding to the first magnetic member 991 is provided. The number and position of the second magnetic members correspond to those of the first magnetic members. For example, the vacuuming connector 94 is provided with a corresponding insert for inserting the second magnetic member that corresponds to the first magnetic member.

[0549] In some embodiments, the first / second magnetic element can be fixed in the corresponding insert by adhesive.

[0550] As shown in Figure 19, the vacuum cleaner connector 94 is a ring, one side of which is sleeved (and / or snapped) with the vacuum cleaner body 91, and the other side is detachably connected (e.g., magnetic connection) to the housing 40 (and / or the blower assembly 200).

[0551] As shown in Figure 18, preferably, the suction connector 94 has a larger diameter than the housing 40 (and / or the air intake grille 221). Preferably, the suction connector 94 forms a concave surface on the side that connects to the housing 40 (air intake grille 221). Thus, during connection, the suction connector 94 fits onto the outer side of the outer diameter of the housing 40, or onto the outer side of the outer diameter of the air intake grille 221. For example, as shown in Figure 18, the air intake grille 221 can be designed to extend outward from the housing 40 (along the first direction), so that the suction connector 94 can fit onto the outer side of the extended portion of the air intake grille 221.

[0552] By attaching the vacuum cleaner connector 94 to the outside of the housing 40 (air intake grille 221), on the one hand, it can provide a positioning function for the connection between the vacuum cleaner assembly 90 and the housing 40, thereby preventing displacement that may be caused by simple magnetic attraction. On the other hand, it helps to form a sealed airflow channel to prevent air leakage at the connection.

[0553] The detachable connection between the vacuuming assembly 200 and the blower assembly 90, especially the magnetic connection, allows for easy removal and installation of the vacuuming assembly, making it convenient to use and store / carry.

[0554] In some embodiments, the vacuum assembly 90 may also have a vacuum hose 93. The vacuum hose 93 is configured such that one end can be connected (e.g., detachably connected) to the vacuum port of the vacuum body 91. The other end of the vacuum hose 93 is often designed as a converging structure. For example, as shown in Figure 19, one end of the vacuum hose 93 is a round tube for connecting to the vacuum port of the vacuum body 91, and the other end is a converging opening. For example, the round tube is converging into a long, narrow opening by two parallel surfaces. This converging structure helps to create a strong negative air pressure at the converging point, thereby achieving a good vacuuming effect. Furthermore, the vacuum hose 93 is generally designed as a long tube (handle) structure with a certain length. In this way, the vacuum hose 93 itself also has the effect of extending the operating arm, making it easier for the user to reach the vacuum assembly 90 into places that are not easily accessible by arm, such as under a seat.

[0555] In some embodiments, the vacuum assembly 90 may also have a vacuum brush head 92. The vacuum brush head 92 may be attached (e.g., detachably attached) to the vacuum inlet of the vacuum body 91 or to one end (convex end) of the vacuum tube 93. The vacuum brush head 92 has bristles. The vacuum brush head 92 assists in cleaning, such as helping to gather dust or scrape off adhered dirt.

[0556] In the connection method shown in Figures 18 and 19, the suction port of the vacuum body 91 is connected (sleeved) to one end of the suction pipe 93, and the other end of the suction pipe 93 is connected (sleeved) to the suction brush head 92. For example, the suction port of the vacuum body 91 is sleeved on the outside of one end of the suction pipe 93, and the suction brush head 92 is sleeved on the outside of the other end of the suction pipe 93. Those skilled in the art will understand that other vacuum component connection methods known in the prior art are also applicable to the present invention, and are not limited to the connection method shown in the accompanying drawings.

[0557] <Safety hammer components>

[0558] In some embodiments, the air blower may have a safety hammer component 80.

[0559] The safety hammer component 80 is detachably connected to the housing 40. For example, it is connected to the first air inlet (air intake) 10b or the second air outlet (air outlet) 10c.

[0560] When connected to the safety hammer component 80, the air blower can be used as a safety hammer. The user can aim the sharp end of the safety hammer head at weak points such as the corners of the glass, then hold the handle 120 of the housing 40 (similar to the handle of a safety hammer) and swing the handle to apply impact force. Utilizing the concentrated stress at the tip of the safety hammer, the glass can be easily shattered. It also functions as a window breaker, used to break car windows when a safety issue prevents the door from being opened.

[0561] The safety hammer component 80 has a hammer head 81 and a safety hammer base 82.

[0562] The hammerhead 81 is made of a hard material, such as hard plastic, metal, or alloy, such as iron, steel, tungsten steel, etc. It is generally molded in one piece.

[0563] One end of the hammerhead 81 has a conical or pyramidal structure, thus forming a sharp angle for applying force.

[0564] The other end of the hammer head 81 may have a fixing part (e.g., a plug-in foot) for fixing (plugging) into the safety hammer base 82.

[0565] The safety hammer base 82 has a mounting base for mounting the hammer head. As shown in Figure 23, the mounting base has a groove for accommodating a portion of the hammer head 81. Preferably, the safety hammer base 82 is a plastic part, especially a plastic part with a certain degree of elasticity. The elastic plastic part applies force to wrap around the hammer head 81, which can prevent the hammer head 81 from falling off when it is swung.

[0566] Preferably, the mounting base of the safety hammer base 82 has a through hole at its bottom, and the hammer head 81 has a connector at its bottom. The connector of the hammer head 81 passes through the through hole at the bottom of the mounting base of the safety hammer base 82. This further increases the force application, wrapping, and fixing of the hammer head 81 by the plastic parts of the safety hammer base 82, increasing the stability of the connection.

[0567] More preferably, after the insertion pin of the hammer head 81 passes through the through hole at the bottom of the mounting base of the safety hammer body 82, the protruding portion is fixed with adhesive. This further increases the stability of the connection between the safety hammer body 82 and the hammer head 81.

[0568] In some embodiments, the safety hammer base 82 is provided with a plurality of air vents (perforated portions). These air vents are connected to the air ducts (e.g., air inlets or outlets) of the air blowing assembly 200. For example, the safety hammer base 82 has a plurality of through holes (perforated portions) on its lateral side (perpendicular to the first direction) to form air vents. For example, two or more air vents, preferably four or more, are provided on the annular circumference of the safety hammer base 82. As shown in FIG23, the plurality of air vents form a grid-like structure. This ensures that the stability of the safety hammer base 82 is not affected, and that air vents are formed, so that the air intake (exhaust) function of the air blowing assembly 200 is not affected when the safety hammer component 80 is connected to the housing 40 (air blowing assembly 200). The air vents formed by the perforated portions achieve air duct connectivity, avoiding frequent disassembly and assembly, and facilitating use.

[0569] The safety hammer base 82 has a safety hammer connecting part 83, which is used to connect the safety hammer component 80 and the housing 40.

[0570] In some embodiments, the connection between the safety hammer component 80 and the housing 40 can be a snap-fit; and / or a magnetic connection; and / or a threaded connection; and / or an interference fit.

[0571] The various connection methods between the flow guide 60 and the housing 40 described above in the <Flow Guide> section, and the various connection methods between the vacuuming assembly 90 and the housing 40 (and / or the blower assembly 200) described in the <Vacuuming Assembly> section, can also be applied to the connection between the safety hammer component 80 and the housing 40.

[0572] Preferably, the connection between the safety hammer component 80 and the housing 40 adopts the same connection method as that between the flow guide 60 and the housing 40, or the same connection method as that between the dust collection assembly 90 and the housing 40. In this way, the safety hammer component 80 can be used to replace the flow guide 60 or the dust collection assembly 90 and be installed on the housing 40. Thus, in special circumstances, it achieves the function of a safety hammer, while the flow guide 60 or the dust collection assembly 90 remains the commonly used component.

[0573] In some embodiments shown in Figure 23, the safety hammer component 80 and the housing 40 can be rotated and snapped together.

[0574] As shown in Figure 23, the housing 40 is provided with a guide groove and a locking slot, and the safety hammer component 80 (on the safety hammer connecting part 83) has a protrusion (locking block). After the protrusion (locking block) aligns and enters the guide groove, the safety hammer component 80 rotates relative to the housing 40, and the protrusion (locking block) moves along the guide groove into the locking slot, forming a locking connection. Those skilled in the art will understand that the connection between the safety hammer component 80 and the housing 40 is not limited to the connection method shown in the accompanying drawings.

[0575] The safety hammer base 82 is preferably integrally molded, for example, by molding. The mounting base, the through hole at the bottom of the mounting base, several air vents, and the protrusion (block) on the safety hammer connecting part 83 can all be integrally molded.

[0576] Since the safety hammer base 82 is preferably made of a plastic component with a certain degree of elasticity, in all connection designs, the plastic component of the safety hammer base 82 is preferably designed to be an interference fit (appropriate degree of interference fit) larger than the corresponding connector. For example, the inner diameter of the mounting base is slightly smaller than the outer diameter of the hammer head 81. For example, the inner diameter of the through hole in the mounting base is slightly smaller than the outer diameter of the insertion pin of the hammer head 81. For example, the width of the protrusion (block) on the safety hammer connector 83 is slightly larger than the width of the housing slot. Due to the appropriate degree of interference fit in dimensions, the plastic component of the safety hammer base 82 is compressed, exerting force on the corresponding connector, increasing the engagement force of the connection.

[0577] Lighting lamps

[0578] The air blower of the present invention can be equipped with a lighting lamp 88, thereby realizing the function of a flashlight.

[0579] The preferred choice for lighting lamps is LED lamp beads.

[0580] The lighting lamp 88 is connected to the emergency power supply 31. A switch corresponding to the lighting lamp can be provided to turn the lighting on / off.

[0581] The lighting lamp 88 can be placed anywhere on the housing 40, as long as the emitted light is not completely blocked.

[0582] In some embodiments, a lighting lamp 88 is disposed on the same side of the vacuum assembly 90 (i.e., the same side of the air inlet 10b) to assist the vacuum assembly in operation.

[0583] In more embodiments, the lighting is positioned on the same side as the air outlet 10c. This is because vacuuming functions mostly operate in well-lit environments (such as inside a vehicle), while the lighting may be relatively poor in environments where blowing functions (such as blowing water, blowing leaves, or blowing snow) are used.

[0584] As shown in Figure 18, in some embodiments, an air vent grille 222 is provided on the housing 40 or the blower assembly 200, located 10d away from the second air outlet (air outlet). A lighting fixture 89 is provided on the air vent grille 222 (e.g., at the center) for mounting / fixing a lighting lamp 88. The light emission direction of the lighting lamp 88 is consistent with the air outlet direction.

[0585] In this way, when the second air vent (air outlet) 10d of the housing is connected to various air guides 60, the light emitted by the lighting lamp 88 will be emitted through the air guides 60, thereby assisting in lighting in the blowing environment.

[0586] In embodiments equipped with a safety hammer component 80, a lighting lamp 88 is positioned on the same side as the safety hammer component 80. Because safety hammers are often used in harsh environments and may require repeated applications of force at a specific point on the window glass, positioning the lighting lamp 88 in the same direction as the safety hammer component 80 helps the user break the glass quickly and escape as soon as possible.

[0587] In some embodiments, a lighting fixture 89 may be provided on the air intake grille 221 or the air exhaust grille 222 (e.g., at the center of the grille) for mounting / fixing a lighting lamp 88.

[0588] When the switch of the lighting lamp 88 is turned on, it can be used as a flashlight. The grip part 120 can be conveniently used as a grip for the flashlight.

[0589] Furthermore, as shown in Figure 24, when the safety hammer component 80 is connected to the same side of the housing 40 as the lighting lamp 88 (air inlet side 10b or air outlet side 10c), the light emitted by the lighting lamp 88 will be emitted through the air vent (through hole / grid) on the safety hammer base. This increases ambient lighting and helps the user to use the safety hammer more effectively.

[0590] The switch for controlling the lighting lamp 88 can be designed as a separate button or integrated with buttons for other functions. For example, the first switch 42 (first button 4201) can be used to control the power supply or power cut-off of the energy storage component 300 (similar to a main power switch). Pressing the first switch 42 once turns on the device, and pressing it again turns on the lighting lamp 88. And so on.

[0591] The following are some specific embodiments of the present invention. Those skilled in the art will understand that the specific implementation of the present invention is not limited to these embodiments.

[0592] Example 1

[0593] As shown in Figures 1 to 6, the air blower of the present invention has a housing 40; an energy storage component 300, including an emergency battery cell 31, disposed within the housing 40; the emergency battery cell 31 is connected to an emergency interface 32, the emergency interface 32 being suitable for electrical connection with a car to enable emergency starting of the car; and a blower component 200, disposed within the housing 40 and electrically connected to the energy storage component 300.

[0594] The housing 40 includes a receiving cavity 10a, which comprises a first receiving cavity 1001 and a second receiving cavity 1002. The housing also includes an air outlet 110 extending along a first direction and a gripping portion 120 extending along a second direction. The air outlet 110 corresponds to the first receiving cavity 1001, and the gripping portion 120 corresponds to the second receiving cavity 1002. The first direction and the second direction form a preset angle. Preferably, the preset angle is 60°-150°.

[0595] Preferably, the blower assembly 200 is disposed within the first receiving cavity 1001.

[0596] Preferably, the emergency battery cell 31 is disposed within the second receiving cavity 1002.

[0597] Preferably, the emergency interface 32 is disposed on the grip portion 120; more preferably, the emergency interface 32 and the emergency battery 31 are arranged along the extension direction (i.e., the second direction) of the grip portion 120; optionally, the emergency interface 32 is closer to the air outlet portion 110 than the emergency battery 31.

[0598] Optionally, a first protrusion 1011 is provided on the side of the housing 40 near the receiving cavity 10a. The first protrusion 1011 is located between the blower assembly 200 and the housing 40, so that the blower assembly 200 is at least partially spaced from the housing 40.

[0599] and / or

[0600] A second protrusion 1014 is provided on the side of the housing 40 near the receiving cavity 10a. The second protrusion 1014 is located between the energy storage component 300 and the housing 40, so that the energy storage component 300 is at least partially spaced from the housing 40.

[0601] The blower assembly 200 may include a blower motor 21 and a fan sleeve 23 fitted onto the blower motor 21. The fan sleeve 23 forms an air outlet channel for the blower motor 21, thereby separating the gas flow channel from the receiving cavity 10a of the housing 40.

[0602] The emergency battery cell 31 is preferably a cylindrical or cuboid emergency battery cell. When the emergency battery cell 31 is cylindrical, the ratio of the length to the diameter of the cylinder is preferably greater than 2, or even greater than 3. When the emergency battery cell 31 is cuboid, the ratio of the length to the width of the cuboid is preferably greater than 2, or even greater than 3.

[0603] The air blower also includes a control component 10, which is electrically connected to the blowing assembly 200 and the energy storage component 300. The control component 10 can control the starting and stopping of the blowing assembly 200.

[0604] The control component 10 includes a circuit board 41. Preferably, the circuit board 41 includes two sub-circuit boards 41. More preferably, the two or more sub-circuit boards 41 are arranged parallel to each other and spaced apart (along the direction extending from the grip portion).

[0605] Preferably, the circuit board 41 is at least partially located in the grip portion 120. For example, both sub-circuit boards are located in the grip portion 120. More preferably, the circuit board 41 and the emergency battery 31 are arranged along the extending direction (i.e., the second direction) of the grip portion 120. Even more preferably, the circuit board 41 is closer to the air outlet 110 than the emergency battery 31.

[0606] The inner side of the housing 40 is provided with a slot formed by the first snap-fit ​​member 1012 for inserting / fixing the circuit board 41.

[0607] The air blower may have a flow guide 60. The flow guide 60 is designed to be detachably connected to the housing 40 or the blowing assembly 220 and is located near the air outlet 10c. Optionally, the flow guide 60 has a flow collecting section 611, the radial dimension of which gradually decreases outward along a first direction.

[0608] The connection between the housing 40 (or the blower assembly 220) and the guide 60 is: snap-fit; and / or magnetic connection; and / or threaded connection; and / or interference fit.

[0609] In this embodiment, two push-button switches 42 and 43 are installed, located on adjacent sides of the grip portion 120, respectively. The functions of the push-button switches are not particularly limited and can be configured as needed (e.g., via software on the control module).

[0610] Example 2

[0611] As shown in Figures 18, 20, and 24, in addition to the detachable air guide 60, the air blower of this embodiment may also have a detachable dust suction assembly 90 and / or a safety hammer component 80.

[0612] In this embodiment, the vacuuming assembly 90 is configured to be detachably connected to the air inlet of the blower assembly 200 (or housing 40).

[0613] In this embodiment, the safety hammer component 80 is configured to be detachably connected to the air outlet of the blower assembly 200 (or housing 40), and uses a connection method substantially the same as that of the air guide 60. In this way, the safety hammer component 80 can be used to replace the air guide 60 and is mounted on the housing 40.

[0614] In this embodiment, the vacuuming assembly 90 and the blower assembly 200 (or housing 40) can be connected by a snap-fit ​​connection (e.g., a rotary snap-fit), a threaded connection, and / or a magnetic connection. When a threaded connection is used, the connecting thread can be located on the inner wall (internal thread) or the outer wall (external thread) of the blower assembly 200 (or housing 40). A magnetic connection is preferred, allowing the user to quickly install / remove the vacuuming assembly 90.

[0615] An air inlet grille 221 is provided at one end of the air inlet on the housing 40 or the blower assembly 200, and an insert is provided on the air inlet grille 221 for embedding the first magnetic element 991. The dust collection assembly 90 has a dust collection connector 94, and a second magnetic element 992 corresponding to the first magnetic element is provided on the dust collection connector 94.

[0616] Preferably, when the vacuuming assembly 90 is connected to the housing 40 (or the blower assembly 200), the vacuuming assembly 90 (vacuuming connector 94) is sleeved on the outer side of the outer diameter of the housing 40, or sleeved on the outer side of the outer diameter of the air intake grille 221.

[0617] In this embodiment, the safety hammer component 80 (guide 60) and the blower assembly 200 (or housing 40) are connected by a snap-fit ​​connection (e.g., a rotary snap-fit), a threaded connection, and / or a magnetic connection. When a threaded connection is used, the connecting thread can be located on the inner wall (internal thread) or the outer wall (external thread) of the blower assembly 200 (or housing 40).

[0618] The safety hammer component 80 has a hammer head 81 and a safety hammer base 82, the safety hammer base 82 being hollow.

[0619] The safety hammer base 82 is made of a plastic part with a certain degree of elasticity; at the connection between the safety hammer base 82 and the hammer head 81, and / or at the connection between the safety hammer base 82 and the housing 40, the dimensions are designed to have an appropriate degree of interference fit.

[0620] Because the safety hammer base 82 is hollow, even if the safety hammer component 80 is installed at the air outlet, it does not affect the use of the dust collection component 90 installed at the air inlet (nor does it affect its function as a vacuum cleaner). This avoids frequent disassembly and assembly.

[0621] The air blower in this embodiment is also provided with a lighting lamp 88, and the lighting lamp 88 is located on the same side as the safety hammer component 80.

[0622] A lighting fixture 89 is provided on the air outlet grid 222 of the blower assembly 200 (e.g., at the center of the grid) for mounting / fixing a lighting lamp 88.

[0623] By placing the lighting lamp 88 on the vent grid 222, the structure can be made more compact, and the light can be projected around the location where the safety hammer is used, providing more accurate auxiliary lighting.

[0624] Because the safety hammer base 82 is hollow, it can not only let in air but also let in light.

[0625] When using a safety hammer, turning on the lighting 88 can increase illumination, helping users to use the safety hammer more effectively and escape quickly.

[0626] In this embodiment, a push-button switch 42 and a toggle switch 43 are installed on adjacent sides of the grip portion 120, respectively. The function of the push-button switch is not particularly limited and can be set as needed (e.g., via software on the control module).

[0627] Circuit board 41 (two or more sub-circuit boards), emergency interface 32, and emergency battery 31 are all located in the grip portion 120. The circuit board 41 (two or more sub-circuit boards), emergency interface 32, and emergency battery 31 are arranged from top to bottom (away from the air outlet 110) along the direction extending from the grip portion 120. This arrangement facilitates wiring and makes the handle of the grip portion longer, making it easier to hold and apply force.

[0628] Example 3

[0629] The difference between Embodiment 3 and Embodiment 2 is that the safety hammer component 80 is configured to be detachably connected to the air inlet of the blower assembly 200 (or housing 40). Preferably, it adopts a connection method substantially the same as that of the vacuum assembly 90. In this way, the safety hammer component 80 can be used to replace the vacuum assembly 90 and is installed on the housing 40.

[0630] Example 4

[0631] The difference between Example 4 and Example 1 is that Example 4 does not have an emergency start function.

[0632] Therefore, in Embodiment 4, ordinary rechargeable battery cells can be used as the energy storage component 300, instead of necessarily using emergency battery cells that can provide a large current instantaneously. Furthermore, there is no need to provide an emergency interface 32, nor is it necessary to provide circuit components (such as related control modules, wiring cables 33, etc.) between the energy storage component 300 and the emergency interface 32.

[0633] Example 5

[0634] The difference between Example 5 and Example 2 is that Example 5 does not have an emergency start function.

[0635] Therefore, in Embodiment 5, ordinary rechargeable battery cells can be used as the energy storage component 300, instead of necessarily using emergency battery cells that can provide a large current instantaneously. Furthermore, there is no need to provide an emergency interface 32, nor is it necessary to provide circuit components (such as related control modules, wiring cables 33, etc.) between the energy storage component 300 and the emergency interface 32.

[0636] Example 6

[0637] The difference between Example 6 and Example 3 is that Example 6 does not have an emergency start function.

[0638] Therefore, in Embodiment 6, ordinary rechargeable battery cells can be used as the energy storage component 300, instead of necessarily using emergency battery cells capable of providing a large current instantaneously. Furthermore, there is no need to provide an emergency interface 32, nor is it necessary to provide circuit components (such as related control modules, wiring cables 33, etc.) between the energy storage component 300 and the emergency interface 32.

[0639] Understandably, this air blower is easy for users to hold and operate, allowing them to perform functions such as blowing away dust and snow, and inflating or blowing air. For example, in scenarios such as long-distance transportation and outdoor travel, users can hold the air blower to inflate or blow air onto equipment such as compressed mattresses and tents, and can also hold the air blower to blow away dust and snow from items such as car floor mats, blankets, and windshields to ensure driving safety.

[0640] It can be further understood that by utilizing emergency power equipment to perform frequently used functions such as dust removal, dust blowing, snow blowing, and air inflation, users can use, inspect, and charge the equipment frequently, thereby preventing the emergency power equipment from being forgotten and improving the power supply stability of the emergency power equipment.

[0641] Furthermore, thanks to its detachable interface, this air blower can be equipped with accessories such as a flow guide, a vacuum assembly, and a safety hammer. When the vacuum assembly is connected, it can be used as a vacuum cleaner. When the safety hammer assembly is connected, it can also be used as a safety hammer. When equipped with a light, it can be used as a flashlight, truly achieving multiple uses in one device.

[0642] This invention integrates multiple functions such as emergency start, air blower, vacuum cleaner, safety hammer, and flashlight into one unit, eliminating the need for users to carry multiple additional devices and greatly improving the product's practicality and convenience.

[0643] The above description is merely a specific embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any person skilled in the art can easily conceive of various equivalent modifications or substitutions within the technical scope disclosed in the present invention, and these modifications or substitutions should all be covered within the scope of protection of the present invention. Therefore, the scope of protection of the present invention should be determined by the scope of the claims.

Claims

1. An air blowing machine, characterized in that, include: case; An energy storage component, including an emergency battery cell, is disposed within the housing; The emergency battery cell is connected to an emergency interface, which is suitable for electrical connection with the vehicle to enable emergency vehicle starting; A blower assembly is disposed inside the housing and is electrically connected to the energy storage assembly; The housing includes an air outlet and a grip. The blower assembly is located inside the air outlet section; The emergency interface is located inside the grip on one side near the air outlet.

2. The air blower as described in claim 1, characterized in that, The air outlet extends along a first direction, and the grip extends along a second direction, with the first and second directions forming a certain angle, such as 60°-150°.

3. The air blower as described in claim 1 or 2, characterized in that, The housing contains a circuit board that is electrically connected to the blower assembly and the energy storage assembly.

4. The air blower as claimed in claim 3, characterized in that, Along the extension direction of the grip, towards the direction away from the air outlet, are arranged in sequence: circuit board, emergency connector, and emergency battery cell.

5. The air blower according to claims 3 to 4, characterized in that, The circuit board has two or more sub-circuit boards located in the grip portion.

6. The air blower as claimed in claim 5, characterized in that, The two or more sub-circuits are arranged parallel to each other at intervals, and / or The plane containing the two or more sub-circuit boards is perpendicular to the extension direction of the gripping part.

7. The air blower according to claims 3 to 6, characterized in that, The inner side of the housing is provided with a first snap-fit ​​component, which forms a first snap-fit ​​groove, and the circuit board is snapped into the first snap-fit ​​groove.

8. The air blower as claimed in claim 7, characterized in that, There are at least two first connectors; the two first connectors located on opposite sides of the circuit board are asymmetrically arranged, for example, they are connectors of different sizes.

9. The air blower as described in any one of claims 1 to 8, characterized in that, It includes a first control module for overload protection, short circuit protection, overheat protection, and / or undervoltage protection of the emergency battery cell.

10. The air blower as described in any one of claims 9, characterized in that, It also includes battery clamps for connecting the emergency interface to the battery of the car that needs to be started in an emergency; all control circuits and / or protection circuits and / or switching circuits that control the emergency start power supply are externally mounted on the battery clamps.

11. The air blower as described in any one of claims 1 to 10, characterized in that, The surface of the grip portion of the housing may be provided with an anti-slip part or anti-slip element, which is provided with multiple repeated raised and recessed anti-slip stripes.

12. The air blower as described in any one of claims 1 to 11, characterized in that, The air blower has a dust suction component that is detachably connected to the air inlet of the blower component.

13. The air blower as described in claim 12, characterized in that, The vacuuming unit and the blower unit are magnetically connected.

14. The air blower as described in claim 13, characterized in that, An air inlet grille is provided at one end of the air inlet on the housing or the blower assembly, and an insert is provided on the air inlet grille for embedding the first magnetic component; the dust collection assembly has a dust collection connector, and a second magnetic component corresponding to the first magnetic component is provided on the dust collection connector.

15. The air blower as described in claim 14, characterized in that, The vacuum cleaner connector is fitted onto the outer side of the housing or onto the outer side of the air inlet grille.

16. The air blower as described in any one of claims 1 to 15, characterized in that, It has a safety hammer component that is detachably attached to the housing; for example, it is attached to the air inlet or outlet of the housing.

17. The air blower as described in claim 16, characterized in that, The safety hammer component has a hammer head and a safety hammer base, the safety hammer base being hollow.

18. The air blower as described in claim 16 or 17, characterized in that, The connection between the safety hammer component and the housing adopts the same connection method as that between the guide component and the housing, or the same connection method as that between the dust collection component and the housing; for example, a snap-fit ​​connection, a magnetic connection, and / or a threaded connection.

19. The air blower as described in any one of claims 16 to 18, characterized in that, The safety hammer base uses a plastic part with a certain degree of elasticity; at the connection between the safety hammer base and the hammer head, and / or at the connection between the safety hammer base and the housing, the dimensions are designed to have an appropriate degree of interference fit.

20. The air blower as described in any one of claims 16 to 19, characterized in that, The air blower is also equipped with a light, which is located on the same side as the safety hammer component.

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