Air purification device

Abstract

The air purification device comprises a plurality of fan blades matched with the motor hub, the motor hub comprises a shell, a motor for driving the fan blades to rotate is arranged in the shell, the ultraviolet assembly is fixed to the mounting plate and the motor hub, the ultraviolet assembly is located between the mounting plate and the motor hub, and the ultraviolet assembly is fixed to the shell. The ultraviolet assembly is assembled by a lower assembly plate and an upper assembly plate, the ultraviolet assembly comprises a plurality of ultraviolet light-emitting elements, and the ultraviolet assembly is connected with the power supply device. According to the air purification device, the motor hub and the fan blades which are matched with each other are arranged, the ultraviolet assembly is arranged above the fan blades, and the partition plates are arranged at the two ends of the ultraviolet assembly to limit ultraviolet light within a certain range; when the device works, the motor hub drives the fan blades to rotate, meanwhile, the ultraviolet assembly starts to work, the fan blades drive surrounding air to flow, new air continuously passes through the ultraviolet light irradiation range, and therefore air in a whole room can be sterilized.

Description

Technical Field

[0001] The invention relates to an air purification device. Background Art

[0002] Air hygiene is very important for protecting public health, maintaining a clean and hygienic environment, improving environmental comfort, and solving environmental problems. Air sterilization and disinfection equipment includes HEPA filtration equipment and ultraviolet equipment.

[0003] UV equipment is divided into "upper air sterilization devices", which use ultraviolet light to irradiate the upper part of the room, and use baffles to isolate the ultraviolet light to prevent it from irradiating the people in the room. However, since the air in the room is difficult to circulate automatically, it is more likely to sterilize the upper air and cannot sterilize the air in the entire room. Another type of UV equipment uses a fan to inhale air, and after inhalation, it uses ultraviolet light to sterilize inside the equipment and then blows it out of the equipment. This type of equipment usually does not pose the risk of ultraviolet radiation to the outside, but has low efficiency. Summary of the invention

[0004] The invention provides an air purification device.

[0005] The technical solution adopted by the present invention to solve the above technical problems is:

[0006] The air purification device includes a plurality of fan blades matched with a motor hub, the motor hub includes a shell, a motor for driving the fan blades to rotate is arranged in the shell, the ultraviolet component is fixed on the mounting plate and the motor hub, the ultraviolet component is located between the mounting plate and the motor hub, the ultraviolet component includes a plurality of ultraviolet light-emitting elements, the ultraviolet component and the power supply device are interconnected, the ultraviolet light-emitting elements can emit ultraviolet light, the air purification device is fixed to the ceiling through the mounting plate, the mounting plate is provided with a descending rod downward, the descending rod extends downward to connect the ultraviolet component, the fan blades, the motor hub and the partition to the mounting plate.

[0007] Preferably, the descending rod includes a retractable extension tube; a vertical arm is vertically arranged downward from the end of the mounting plate, and the vertical arm cooperates with the mounting plate to form a mounting box, and a support arm is arranged on the side of the mounting box, and the support arm connects the UV component, fan blades, motor hub and partition to the mounting plate.

[0008] Preferably, the UV component is assembled by a lower assembly plate and an upper assembly plate, and the lower assembly plate and the upper assembly plate are connected by a central assembly plate, and the central assembly plate is connected at the edges of the upper assembly plate and the lower assembly plate; the motor hub is connected to the bottom of the lower assembly plate, and the mounting plate, the lowering rod and the support arm are connected to the top of the upper assembly plate.

[0009] Preferably, at least two partitions are provided on the ultraviolet component, which are respectively arranged on the upper and lower sides of the ultraviolet component, and the partitions include a top partition and a bottom partition, and the partitions are parallel to the fan blades. One or more middle partitions are installed between the top partition and the bottom partition, and a through hole is provided in the middle of the partition, and the partition is mounted on the ultraviolet component through the through hole.

[0010] Preferably, a shield is arranged above the air purification device, and the shield includes a shield bracket at the top, a vertical bracket vertically connected to the edge of the shield bracket, and a shield side wall installed on the vertical bracket.

[0011] Preferably, the center of the shield bracket is connected to the mounting plate and extends to both ends with the same extension length, and a vertical bracket is connected to the end point of the shield bracket; the shield side wall is provided with an open shield lower periphery and a shield upper periphery; the shield upper periphery is arranged above the ultraviolet component, and the shield lower periphery is arranged between the bottom partition and the fan blades, and the shield as a whole surrounds the ultraviolet component; the shield side wall includes relative outer and inner surfaces, and the shield side wall can be connected to the vertical bracket using the outer surface or the inner surface.

[0012] Preferably, a shield plate is provided on the inner side of the shield side wall, the shield plate extends inwardly on the inner side of the shield side wall, and the shield plate is parallel to the blade plane.

[0013] Preferably, the air purification device is also provided with a tilt sensor, a motion sensor, a proximity sensor, a light sensor, and a remote control receiver.

[0014] Preferably, the air purification device is also provided with a control unit, which includes a processor, an output / input interface, a radio module, a data storage device and a memory, and the control unit is connected to the motor, the ultraviolet light-emitting element, the tilt sensor, the motion sensor, the proximity sensor, the light sensor, the remote control receiver and the visible light-emitting element through a local interface.

[0015] Preferably, the air purification device further comprises a dust cover capable of preventing the partition from being stained with dust.

[0016] Compared with the prior art, the air purification device of the present invention is provided with a motor hub and fan blades that cooperate with each other, and a UV component is arranged above the fan blades. Partitions are arranged at both ends of the UV component to limit the ultraviolet light within a certain range. When the device is working, the fan blades are driven to rotate by the motor hub and the UV component starts to work at the same time. The fan blades drive the surrounding air to flow, and new air continuously passes through the range of ultraviolet light irradiation, so the air in the entire room can be sterilized. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a first side view of the air purification device of the present invention.

[0018] Figure 2 It is a first top schematic diagram of the air purification device of the present invention.

[0019] Figure 3 It is a second side view of the air purification device of the present invention.

[0020] Figure 4 It is a first side stereoscopic view of the air purification device of the present invention.

[0021] Figure 5 It is a second side stereoscopic view of the air purification device of the present invention.

[0022] Figure 6 It is a schematic diagram of the side portion of the air purification device of the present invention.

[0023] Figure 7 It is a second top schematic diagram of the air purification device of the present invention.

[0024] Figure 8 It is a third side view of the air purification device of the present invention.

[0025] Fig. 9 It is a fourth side view of the air purification device of the present invention.

[0026] Fig.10 It is a schematic diagram of the first part of the air purification device of the present invention.

[0027] Fig.11 It is a schematic diagram of the second component of the air purification device of the present invention. DETAILED DESCRIPTION

[0028] The present invention is further described in detail below with reference to the accompanying drawings.

[0029] like Figures 1 to 11 As shown, the air purification device 100 includes a plurality of fan blades 11 matched with the motor hub 12, the fan blades 11 rotate in the blade plane 71 to drive the air to circulate in the air purification device 100, the ultraviolet component 30 is fixed on the mounting plate 13 and the motor hub 12, the ultraviolet component 30 is located between the mounting plate 13 and the motor hub 12, the ultraviolet component 30 includes a plurality of ultraviolet light emitting elements 31, the ultraviolet light emitting elements 31 can emit ultraviolet light 80, the air purification device 100 includes a plurality of partitions 60 matched with the ultraviolet components 30, and the partitions 60 limit the ultraviolet light 80 emitted by the ultraviolet light emitting elements 31 from exceeding the upper ultraviolet plane 72 and the lower ultraviolet plane 73, and the upper ultraviolet plane 72 and the lower ultraviolet plane 73 are located above the blade plane 71.

[0030] The air purifier 100 is fixed to the ceiling through a mounting plate 13. The horizontal iron plate of the mounting plate 13 is provided with holes that match bolts to fix the air purifier 100 to the ceiling. A vertical arm 14 is vertically provided downward at the end of the mounting plate 13. The vertical arm 14 cooperates with the mounting plate 13 to form a mounting box 15. The mounting plate 13 can be connected to a junction box for ceiling fan installation through a T-grid mounting bracket, or the mounting plate 13 can be directly connected to the ceiling. The room height requirement for allowing the air purifier 100 to be installed is generally that the fan blade 11 is 2.2 meters higher than the user's head.

[0031] The air purification device 100 also includes a lowering rod 16 and a support arm 17, which connect the mounting plate 13 or the mounting box 15 with the ultraviolet component 30. The lowering rod 16 includes an extension tube, and the extension tube has a solid structure. The lowering rod 16 is arranged at the center of the mounting plate 13 and extends downward, connecting the ultraviolet component 30, the fan blades 11, the motor hub 12 and the partition 60 to the mounting plate 13. The support arm 17 is arranged on the side of the mounting box 15, has a solid structure and connects the ultraviolet component 30, the fan blades 11, the motor hub 12 and the partition 60 to the mounting plate 13. The support arm 17 includes a metal angle, a rod or a steel wire cable. The height between the air purification device 100 and the ceiling can be adjusted by the lowering rod 16 and the support arm 17. The lowering rod 16 is retractable. When the height changes, the support arm 17 will change the angle between it and the mounting box 15.

[0032] like Figure 1-Figure 3 As shown, the air purification device 100 further includes a dust cover 18 capable of preventing the partition 60 from being stained with dust, and the dust cover can be set to any shape or size.

[0033] The air purification device 100 includes a motor hub 12 that is movably connected to the fan blades 11. The motor hub 12 includes a shell, in which a motor 45 for driving the fan blades 11 to rotate is arranged. The motor hub 12 cooperates with the ultraviolet component 30 and the motor hub 12 is located below the ultraviolet component 30. The motor hub 12 is fixed to the ultraviolet component 30 and the motor hub 12 does not rotate with the fan blades 11. When the fan blades 11 rotate, the motor hub 12 and the motor 45 remain stationary. The motor hub 12 includes a motor 45 to drive the fan blades 11 to rotate in a blade plane 71, and the blade plane 71 is parallel to the ceiling and other components of the air purification device 100.

[0034] Motor 45 may include any type of motor, such as a brushed DC motor, a brushless DC motor, a switched reluctance motor, a universal motor, an AC multi-phase sprayed cage or wound rotor induction motor, an AC SCIM split-phase capacitor start motor, an AC SCIM split-phase capacitor run motor, an AC SCIM split-phase auxiliary start winding motor, an AC induction shaded pole motor, a wound rotor synchronous motor, a hysteresis motor, a synchronous motor reluctance motor, a flat or axial rotor motor, a stepper motor, or any other type of motor.

[0035] The fan blades 11 are rotated on the blade plane 71 by the motor 45 to make the air near the air purification device 100 flow. The fan blades 11 can be set to different types, i. straight fan blades; ii. curved fan blades, which are conducive to increasing airflow and reducing noise; iii. sickle-shaped fan blades, which are conducive to improving airflow and reducing turbulence; iv. swept fan blades, which are conducive to increasing airflow and reducing noise; v. triangular fan blades, which are conducive to improving airflow and reducing noise; vi. propeller fan blades, which help to increase gas flow.

[0036] Several ultraviolet components 30 can be provided on the air purification device 100. One ultraviolet component 30 can be provided with one or several ultraviolet light-emitting elements 31. The ultraviolet component 30 and the power supply device are interconnected to supply power to the ultraviolet light-emitting element 31. The ultraviolet component 30 consisting of one or several ultraviolet light-emitting elements 31 is arranged between the motor hub 12 and the mounting plate 13. Usually, the ultraviolet component 30 consists of four ultraviolet light-emitting elements 31.

[0037] The shape or size of the UV assembly 30 can be set according to the requirements. The UV assembly 30 can be assembled by a lower assembly plate 32 and an upper assembly plate 33, and the lower assembly plate 32 and the upper assembly plate 33 are connected by a central assembly plate 34, which is connected to the edges of the upper assembly plate 33 and the lower assembly plate 32, and plays a role of connecting support, and the central assembly plate 34 can reflect the ultraviolet light, so that the ultraviolet light can be irradiated to a farther distance; the motor hub 12 is connected to the lower assembly plate 32, and the mounting plate 13, the descending rod 16 and the support arm 17 are connected to the upper assembly plate 33.

[0038] The ultraviolet light emitting element 31 is connected to an electronic ballast 35, which is connected to the lower assembly board 32 or the central assembly board 34 or the ultraviolet assembly 30, and provides power to the ultraviolet light emitting element 31. The electronic ballast 35 is connected in series in the circuit as a resistor, and is used to adjust the voltage and current of different types of bulbs at different working stages.

[0039] The ultraviolet light emitting element 31 can emit ultraviolet sterilizing rays, and the ultraviolet wavelength is 100-280 nanometers. The ultraviolet light emitting element 31 can include any lamp that can emit ultraviolet rays, including LED lamps, 2-pin, 4-pin, screw-in, T5 double-pin, plug-in compact, etc.

[0040] The air purification device 100 is provided with a partition 60 parallel to the blade plane 71. The partition 60 can guide the emission direction of ultraviolet rays and also block part of the ultraviolet rays. The baffle 60 can be made of a material resistant to ultraviolet light or an anti-ultraviolet coating can be coated on the baffle 60; the baffle can also be made of a material that is anti-reflective to ultraviolet wavelengths. Materials that are resistant to ultraviolet light and anti-ultraviolet wavelength reflection include: black zinc oxide, titanium dioxide and other organic materials.

[0041] When the air purification device 100 is provided with at least two partitions 60, the partitions 60 include a top partition 60A and a bottom partition 60B, the top partition 60A is arranged above the bottom partition 60B and is closer to the mounting plate 13, the top partition 60A and the bottom partition 60B are arranged on the upper and lower sides of the ultraviolet component 30, and the ultraviolet light 80 emitted by the ultraviolet component 30 is blocked between the top partition 60A and the bottom partition 60B, forming an upper ultraviolet plane 72 and a lower ultraviolet plane 73, and the ultraviolet light 80 has no The ultraviolet light 80 cannot irradiate the upper surface 63 of the top partition 60A, nor can it irradiate the lower surface 62 of the bottom partition 60B. At the same time, the ultraviolet light 80 cannot irradiate the upper ultraviolet plane 72 and the lower ultraviolet plane 73; one or more intermediate partitions 60C can be installed between the top partition 60A and the bottom partition 60B; the distance between the lower surface 62 and the upper surface 63 of two adjacent partitions 60 is between 0.1 inches and 10 inches, and can generally be set to 1cm-20cm.

[0042] The shape and size of the partition 60 can be set as required, and is generally set as a flat plate. The partitions 60 are parallel to each other, and the parallel error is at most plus or minus ten degrees. The number of partitions 60 and the distance between the partitions 60 of the air purification device 100 can be set arbitrarily, and the partition lower surface 62 and the partition upper surface 63 of the adjacent partitions 60 are parallel to each other, and the parallel error is at most plus or minus ten degrees.

[0043] A through hole 61 is provided in the middle of the partition 60, and the partition 60 is sleeved on the ultraviolet component 30 through the through hole 61. Each partition 60 includes a partition lower surface 62 and a partition upper surface 63, and the partition lower surface 62 and the partition upper surface 63 are parallel to the blade plane 71.

[0044] The upper ultraviolet plane 72 is bounded by the lower surface 62 of the top partition 60A, and the lower ultraviolet plane 73 is bounded by the upper surface 63 of the bottom partition 60B. 99% of the ultraviolet light 80 is located between the upper ultraviolet plane 72 and the lower ultraviolet plane 73. The upper ultraviolet plane 72, the lower ultraviolet plane 73 and the blade plane 71 are parallel to each other, and the parallel error is within plus or minus ten degrees. The upper surface 63 of the partition of the bottom partition 60B limits the ultraviolet light 80 to the lower ultraviolet plane 73 to prevent people from directly looking at or contacting the ultraviolet light 80. The lower surface 62 of the partition of the top partition 60A limits the ultraviolet light 80 to the upper ultraviolet plane to prevent the ultraviolet light 80 from directly irradiating the ceiling and causing damage to the ceiling, or irradiating the fire sprinkler on the ceiling and causing the light to be reflected to the activity area of ​​the room.

[0045] A shield 20 is arranged above the entire air purification device 100. The shield 20 includes a top shield bracket 23, a vertical bracket 24 vertically connected to the edge of the shield bracket 23, and a shield side wall 25 installed on the vertical bracket 24. The shield bracket 23, the vertical bracket 24 and the shield side wall 25 can be made of fiber, foam, plastic or metal.

[0046] The number of shield brackets 23 can be designed according to actual conditions. The shield bracket 23 is a rigid structure. The center of the shield bracket 23 is connected to the mounting plate 13 and extends to both ends. The extension lengths of the two ends are the same. The end points of the shield bracket 23 are connected to vertical brackets 24, which are rigid structures. The shield bracket 23 can also be connected to the vertical wall 14, the ultraviolet component 30 or other components of the air purification device 100.

[0047] The number and shape of the shield side walls 25 can be set according to specific circumstances. The shape of the shield side walls 25 can be set to be cylindrical, octagonal or triangular prism, etc. The shield side walls 25 are provided with an open shield lower periphery 27 and a shield upper periphery 26. The distance from the center of the shield 20 to the shield lower periphery 27 can be greater than the length of the fan blade 11 or less than the length of the fan blade 11; the shield upper periphery 26 is arranged above the ultraviolet component 30, and the shield lower periphery 27 is arranged between the bottom partition 60B and the fan blade 11. The shield 20 as a whole surrounds the ultraviolet component 30, and the ultraviolet light 80 cannot penetrate the shield 20; the shield side walls 25 include relative outer surfaces 22 and inner surfaces 21, and the shield side walls 25 can be connected to the vertical bracket 24 using the outer surface 22 or the inner surface 21.

[0048] The shield side wall 25 can be made of a rigid material such as plastic, aluminum or other metals; the shield side wall 25 can also be made of an elastic material, and the shield side wall 25 of the elastic material can be folded, which is convenient for storage, packaging and transportation. The inner surface 21 and the outer surface 22 of the shield side wall 25, the shield bracket 23 and the vertical bracket 24 are coated with a UV absorbing material to prevent the ultraviolet light 80 from being emitted to the outside of the shield 20.

[0049] There is a gap between the shield 20 and the partition 60. When the fan blades 11 are working, the air in these gaps will be exchanged with the air between the upper 26 of the shield and the lower 27 of the shield. The air enters from the upper 26 of the shield and leaves from the lower 27 of the shield, so that the exchanged air will be subjected to the sterilization irradiation treatment of the ultraviolet light 80.

[0050] like Fig. 9 As shown, the shield 20 includes a shield top wall 28 and a shield bottom wall 29. The shield top wall 28 is arranged on the inner side of the shield bracket 23. The shield top wall 28 can be arranged on the inner side of the shield upper periphery 26, and can also be interconnected with the shield upper periphery 26, or can even extend to the outer side of the shield upper periphery 26. The shield bottom wall 29 can be arranged on the inner side of the shield lower periphery 27, and can also be interconnected with the shield lower periphery 27, or can even extend to the outer side of the shield lower periphery 27, but air can still flow. The shield top wall 28 and the shield bottom wall 29 are coated with ultraviolet absorbing material.

[0051] One or more shield plates 65 are disposed on the inner side of the shield side wall 25. The shield plates 65 extend inwardly from the inner side of the shield side wall 25. The shape and size of the shield plates 65 can be set according to actual needs. The shield plates 65 are parallel to the blade plane 71 and are used to guide and limit the irradiation direction of the ultraviolet light 80. The shield plates 65 are coated with ultraviolet-resistant material or anti-reflective material.

[0052] The air purification device 100 is also provided with a tilt sensor 41, which includes one or more tilt switches 41A. The tilt switch 41A is provided at the upper end of the ultraviolet component 30 and is connected to the ultraviolet component 30. The tilt switch 41A includes a metal ball. When the air purification device 100 reaches a certain set tilt angle, the metal ball moves, thereby generating an electrical signal to interrupt electrical communication, such as stopping the operation of the fan blade 11 and turning off the ultraviolet light emitting element 31; Figure 6 As shown, when the tilt switch 41A on the X-axis at the upper end of the ultraviolet component 30 is tilted, or the tilt switch 41A on the Y-axis is tilted, the Z-axis will be tilted, that is, the air purification device 100 is tilted and no longer perpendicular to the horizontal plane, and the maximum threshold value of the tilt angle is set to ten degrees.

[0053] A motion sensor 42 is provided at the lower end of the motor hub 12; a visible light emitting element 47 may be provided between the motion sensor 42 and the motor hub 12, and the wavelength of the light emitted by the visible light emitting element 47 is 400-700nm; the motion sensor 42 may be a passive infrared motion sensor, a microwave motion sensor, an ultrasonic motion sensor, a fault motion sensor, etc. The motion sensor 42 may sense the motion near the air purification device 100, and the sensing range is within 100 feet. When the motion sensor 42 senses the motion, the fan blades 11 and the ultraviolet component 30 will be turned on or off.

[0054] The air purification device 100 is also provided with a proximity sensor 43, which can measure the distance between a human body or an object. When a human body or an object approaches a certain range of the device, which is within 100 feet, the proximity sensor 43 will send a signal to stop the ultraviolet component 30 and the fan blades 11 from running.

[0055] The air purification device 100 is also provided with a light sensor 44, which can convert light signals into electronic signals. When the light sensor 44 detects that the ambient light intensity is greater than a set threshold, it will send a signal to stop the operation of the ultraviolet light emitting element 31 and the fan blades 11; when the light sensor 44 detects that the ambient light intensity is less than the set threshold, it will send a signal to start the operation of the ultraviolet light emitting element 31 and the fan blades 11; the minimum value of the set threshold is 100-300LUX, and the maximum value is 800-1700LUX.

[0056] The air purification device 100 is also provided with a remote control receiver 46, which is disposed on the central assembly plate 34; the remote control receiver 46 enables the user to remotely control the device through an operating device such as a wireless network or Bluetooth.

[0057] The upper assembly plate 33 may be connected to a control unit 50, such as Fig.11As shown, the control unit 50 includes a processor 51, an output / input interface 52, a radio module 53, a data storage device 54 and a memory 55. The control unit 50 is connected to the motor 45, the ultraviolet light emitting element 31, the tilt sensor 41, the motion sensor 42, the proximity sensor 43, the light sensor 44, the remote control receiver 46 and the visible light emitting element 47 through a local interface 58, and can control the tilt sensor 41, the motion sensor 42, the proximity sensor 43, the light sensor 44 and the remote control receiver 46 to turn on or off the operation of the motor 45, the ultraviolet light emitting element 31, the fan blades 11 and the visible light emitting element 71; the tilt sensor 41, the motion sensor 42, the proximity sensor 43, the light sensor 44 and the remote control receiver 46 can also independently control the operation of the motor 45, the ultraviolet light emitting element 31, the fan blades 11 and the visible light emitting element 71 to be turned on or off.

[0058] The processor 51 is a hardware device for executing software instructions. When the control element 50 is working, the processor 51 communicates data with the memory 55 and controls the air purification device 100 as a whole according to the software instructions stored in the memory 55 or remote instructions or instructions received by other electronic components.

[0059] The input / output interface 52 can provide user input and display data output from the device system. The input / output interface 52 includes a button, a knob, and a switch light structure, and the user can set a specific mode through the input / output interface 52.

[0060] The radio module 53 can realize wireless communication with an external access device or network, and can be realized through any wireless communication mode, including WIFI, Bluetooth, cellular data, etc.

[0061] The data storage device 54 is used to store data. The data storage device 54 may be composed of volatile memory elements, non-volatile memory elements, or a combination of volatile memory elements and non-volatile memory elements. The data storage device 54 may be combined with electronic, magnetic, optical or other types of storage media.

[0062] One or more software instructions are stored in the memory 55. The memory 55 may be composed of volatile memory elements, non-volatile memory elements, or a combination of volatile memory elements and non-volatile memory elements. The memory 55 may be combined with electronic, magnetic, optical or other types of storage media. The memory 55 includes an operating system 56 and a program 57. The operating system 56 is used to control the execution of the functions of the input / output interface 52 and other electronic components. The operating system 56 may be linux, android, ios, etc. The program 57 includes various applications, additional components, etc.; the program 57 includes instructions for controlling the motor 45 and the ultraviolet component 30.

[0063] The implementation of each instruction action of the present device can be performed by a specific circuit combination, such as a dedicated integrated circuit, or by one or more processors executing program instructions, or by a combination of the two.

[0064] The control unit 50 may also include a main memory for storing temporary variables or other intermediate information when the processor 51 executes instructions; the control unit 50 may also include a read-only memory or other static storage device for storing static information and instructions of the processor 51.

[0065] The air purification device of the present invention is provided with a motor hub 12 and a fan blade 11 that cooperate with each other, and a UV component 30 is arranged above the fan blade 11. Partitions are arranged at both ends of the UV component 30 to limit the UV light 80 to a certain range. When the device is working, the motor hub 12 drives the fan blade 11 to rotate and the UV component 30 starts to work. The fan blade 11 drives the surrounding air to flow, and new air continuously passes through the range irradiated by the UV light 80, so the air in the entire room can be sterilized.

[0066] Finally, it should be noted that the above embodiments only illustrate the technical solutions of the present invention, rather than limiting it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. An air purification device (100), comprising a plurality of fan blades (11) matched with a motor hub (12), wherein the motor hub (12) comprises a housing, wherein a motor (45) for driving the fan blades (11) to rotate is arranged in the housing, wherein: The ultraviolet component (30) is fixed on the mounting plate (13) and the motor hub (12). The ultraviolet component (30) is located between the mounting plate (13) and the motor hub (12). The ultraviolet component (30) includes a plurality of ultraviolet light-emitting elements (31). The ultraviolet component (30) and the power supply device are interconnected. The ultraviolet light-emitting elements (31) are capable of emitting ultraviolet light (80). The air purification device (100) is fixed on the ceiling through the mounting plate (13). A descending rod (16) is arranged downward on the mounting plate (13). The descending rod (16) extends downward to connect the ultraviolet component (30), the fan blades (11), the motor hub (12) and the partition (60) to the mounting plate (13).

2. The air purification device according to claim 1, characterized in that: The descending rod (16) includes a telescopic extension tube; a vertical arm (14) is vertically arranged downward from the end of the mounting plate (13), and the vertical arm (14) cooperates with the mounting plate (13) to form a mounting box (15); a support arm (17) is arranged on the side of the mounting box (15), and the support arm (17) connects the ultraviolet component (30), the fan blades (11), the motor hub (12) and the partition (60) to the mounting plate (13).

3. The air purification device according to claim 1, characterized in that: The ultraviolet component (30) is assembled by a lower assembly plate (32) and an upper assembly plate (33), and the lower assembly plate (32) and the upper assembly plate (33) are connected by a central assembly plate (34), and the central assembly plate (34) is connected to the edges of the upper assembly plate (33) and the lower assembly plate (32); the motor hub (12) is connected to the bottom of the lower assembly plate (32), and the mounting plate (13), the lowering rod (16) and the support arm (17) are connected to the top of the upper assembly plate (33).

4. The air purification device according to claim 1, characterized in that: At least two partitions (60) are arranged on the ultraviolet component (30), respectively arranged on the upper and lower sides of the ultraviolet component (30), the partitions (60) include a top partition (60A) and a bottom partition (60B), the partitions (60) are parallel to the fan blades (11), one or more middle partitions (60C) are installed between the top partition (60A) and the bottom partition (60B), a through hole (61) is arranged in the middle of the partition (60), and the partition (60) is sleeved on the ultraviolet component (30) through the through hole (61).

5. The air purification device according to claim 1, characterized in that: A shield (20) is arranged above the air purification device (100), and the shield (20) comprises a shield bracket (23) at the top, a vertical bracket (24) vertically connected to the edge of the shield bracket (23), and a shield side wall (25) mounted on the vertical bracket (24).

6. The air purification device according to claim 5, characterized in that: The center of the shield bracket (23) is connected to the mounting plate (13) and extends to both ends with the same extension length. The end points of the shield bracket (23) are connected to the vertical bracket (24). The shield side wall (25) is provided with an open shield lower periphery (27) and a shield upper periphery (26). The shield upper periphery (26) is arranged above the ultraviolet component (30), and the shield lower periphery (27) is arranged between the bottom partition (60B) and the fan blade (11). The shield (20) surrounds the ultraviolet component (30) as a whole. The shield side wall (25) includes an opposite outer surface (22) and an inner surface (21). The shield side wall (25) can be connected to the vertical bracket (24) using the outer surface (22) or the inner surface (21).

7. The air purification device according to claim 5, characterized in that: A shield plate (65) is arranged on the inner side of the shield side wall (25). The shield plate (65) extends inwardly on the inner side of the shield side wall (25). The shield plate (65) is parallel to the blade plane (71).

8. The air purification device according to claim 1, characterized in that: The air purification device (100) is also provided with a tilt sensor (41), a motion sensor (42), a proximity sensor (43), a light sensor (44), and a remote control receiver (46).

9. The air purification device according to claim 1, characterized in that: The air purification device (100) is also provided with a control unit (50), the control unit (50) comprising a processor (51), an output / input interface (52), a radio module (53), a data storage device (54) and a memory (55), the control unit (50) being connected to a motor (45), an ultraviolet light emitting element (31), a tilt sensor (41), a motion sensor (42), a proximity sensor (43), a light sensor (44), a remote control receiver (46) and a visible light emitting element (47) via a local interface (58).

10. The air purification device according to any one of claims 1 to 9, characterized in that: The air purification device (100) further comprises a dust cover (18) capable of preventing the partition plate (60) from being stained with dust.

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