Range hood gear control method and device, range hood and storage medium

Abstract

The invention discloses a gear control method and device of a range hood, the range hood and a storage medium. The method comprises the steps that the total amount of oil smoke generated by a kitchen range below the range hood is obtained; acquiring the concentration of the sucked oil smoke at the flue air inlet, and determining the total amount of the sucked oil smoke of the range hood according to the concentration of the sucked oil smoke and the air inlet area of the flue air inlet; according to the total oil fume amount and the total sucked oil fume amount, the oil fume suction rate of the range hood is determined; according to the oil smoke suction rate and the current rotating speed of the draught fan, a target gear to be switched by the draught fan is determined; and the fan is controlled to be switched to the target gear, so that the fan generates the air speed corresponding to the target gear. The range hood can achieve the purpose that the range hood automatically switches the gear according to the smoke exhaust condition (the oil smoke suction rate) of the flue air inlet and the current rotating speed of the draught fan, the flexibility and convenience of switching the gear of the draught fan of the range hood are improved, the range hood can achieve intelligent smoke exhaust, and better use experience is brought to a user.

Description

Technical Field

[0001] The present invention relates to household appliance control technology, and in particular to a range hood gear control method and device, a range hood and a storage medium. Background Art

[0002] Currently, the current gear of the fan of the range hood requires the user to press the current gear control button of the range hood to switch the current gear.

[0003] However, the range hood cannot automatically switch gears according to the smoke exhaust conditions at the flue air inlet and the current speed of the fan, resulting in poor flexibility and convenience in switching gears of the fan, which brings a bad user experience. Summary of the invention

[0004] The present invention provides a range hood gear control method, device, range hood and storage medium, which realize the purpose of automatically switching the gear of the range hood according to the smoke exhaust situation (oil fume absorption rate) of the flue air inlet and the current speed of the fan, improves the flexibility and convenience of switching the gear of the fan of the range hood, makes the range hood intelligent in exhausting smoke, and brings better user experience.

[0005] According to one aspect of the present invention, a method for controlling a range hood gear is provided, wherein the range hood comprises a fan, a smoke collecting chamber and a flue air inlet, and the method comprises:

[0006] Obtaining the total amount of oil smoke generated by the stove below the range hood;

[0007] Acquiring the concentration of oil smoke sucked into the air inlet of the flue, and determining the total amount of oil smoke sucked into the range hood according to the concentration of oil smoke sucked into and the air inlet area of ​​the air inlet of the flue;

[0008] Determining the oil fume absorption rate of the range hood according to the total amount of oil fume and the total amount of oil fume sucked in;

[0009] Determining a target gear position to be switched to by the fan according to the oil fume absorption rate and the current rotation speed of the fan;

[0010] The fan is controlled to switch to the target gear so that the fan generates a wind speed corresponding to the target gear.

[0011] According to another aspect of the present invention, a range hood gear control device is provided, the range hood comprising a fan, a smoke collecting chamber and a flue air inlet, the device comprising:

[0012] A first acquisition module is used to acquire the total amount of oil smoke generated by the stove below the range hood;

[0013] a second acquisition module, for acquiring the concentration of oil smoke sucked into the air inlet of the flue, and determining the total amount of oil smoke sucked into the range hood according to the concentration of oil smoke sucked into and the air inlet area of ​​the air inlet of the flue;

[0014] A first determining module, configured to determine the oil fume absorption rate of the range hood according to the total amount of oil fume and the total amount of oil fume sucked in;

[0015] A second determination module is used to determine the target gear position to be switched by the fan according to the oil fume absorption rate and the current rotation speed of the fan;

[0016] The gear control module is used to control the fan to switch to the target gear so that the fan generates a wind speed corresponding to the target gear.

[0017] According to another aspect of the present invention, a range hood is provided, the range hood comprising:

[0018] at least one processor; and

[0019] a memory communicatively connected to the at least one processor; wherein,

[0020] The memory stores a computer program executable by the at least one processor, and the computer program is executed by the at least one processor so that the at least one processor can execute the range hood gear control method described in any embodiment of the present invention.

[0021] According to another aspect of the present invention, a computer-readable storage medium is provided, wherein the computer-readable storage medium stores computer instructions, and the computer instructions are used to enable a processor to implement the range hood gear control method described in any embodiment of the present invention when executed.

[0022] The technical solution of the present invention obtains the total amount of oil smoke generated by the stove under the range hood; obtains the concentration of oil smoke sucked into the air inlet of the flue, and determines the total amount of oil smoke sucked into the range hood according to the concentration of sucked oil smoke and the air inlet area of ​​the flue air inlet; determines the oil smoke absorption rate of the range hood according to the total amount of oil smoke and the total amount of sucked oil smoke, which is equivalent to quantifying the oil smoke particles to obtain the oil smoke absorption rate of the flue air inlet of the range hood; automatically determines the target gear to be switched by the fan according to the oil smoke absorption rate and the current speed of the fan, and automatically controls the fan The machine switches to the target gear so that the fan generates a wind speed corresponding to the target gear, thereby achieving the purpose of automatically switching the gear of the range hood according to the smoke exhaust conditions of the flue air inlet (oil fume absorption rate) and the current speed of the fan, improving the flexibility and convenience of switching the gear of the range hood fan, and solving the problem that the range hood cannot automatically switch the gear according to the smoke exhaust conditions of the flue and the current speed of the fan, resulting in poor flexibility and convenience of switching the gear of the fan, so that the range hood can exhaust smoke intelligently and bring users a better use experience.

[0023] It should be understood that the contents described in this section are not intended to identify the key or important features of the embodiments of the present invention, nor are they intended to limit the scope of the present invention. Other features of the present invention will become easily understood through the following description. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following briefly introduces the drawings required for use in the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0025] Figure 1 A schematic flow chart of a range hood gear control method provided by an embodiment of the present invention;

[0026] Figure 2 A schematic structural diagram of a range hood provided by an embodiment of the present invention;

[0027] Figure 3 Another schematic flow chart of the range hood gear control method provided by an embodiment of the present invention;

[0028] Figure 4 A schematic diagram of installing the oil smoke concentration detector provided by an embodiment of the present invention at the air inlet of a flue;

[0029] Figure 5 A schematic structural diagram of a range hood gear control device provided by an embodiment of the present invention;

[0030] Figure 6 Another schematic structural diagram of a range hood provided in an embodiment of the present invention. DETAILED DESCRIPTION

[0031] In order to enable those skilled in the art to better understand the scheme of the present invention, the technical scheme in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work should fall within the scope of protection of the present invention.

[0032] It should be noted that the terms "first", "second", etc. in the specification and claims of the present invention and the above-mentioned drawings are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequence. It should be understood that the data used in this way can be interchanged where appropriate, so that the embodiments of the present invention described herein can be implemented in an order other than those illustrated or described herein. In addition, the terms "including" and "having" and any variations thereof are intended to cover non-exclusive inclusions, for example, a process, method, system, product or device that includes a series of steps or units is not necessarily limited to those steps or units that are clearly listed, but may include other steps or units that are not clearly listed or inherent to these processes, methods, products or devices.

[0033] Figure 1 The present invention provides a flow chart of a range hood gear control method according to an embodiment of the present invention. The method can be executed by a range hood gear control device. The range hood gear control device can be implemented in the form of hardware and / or software. The range hood gear control device can be configured in the range hood. Figure 1 As shown, the method may specifically include the following steps:

[0034] S101, obtaining the total amount of oil smoke generated by the stove under the range hood.

[0035] The total amount of oil smoke can be understood as the total number of oil smoke particles generated when the user uses the stove under the range hood to cook; in this embodiment, Figure 2 As shown, the range hood 20 may include an oil fume particle detector 201, which can be used to detect oil fume particles in the smoke collecting chamber of the range hood to obtain the total amount of oil fume generated by the stove below the range hood. In this way, the total amount of oil fume generated by the stove below the range hood can be determined based on the detected oil fume particles in the smoke collecting chamber.

[0036] In an optional embodiment, the range hood includes a smoke collecting chamber ( Figure 2 (not shown in the figure), a fume particle detector can be used to detect the fume particles in the smoke collection area of ​​the smoke collecting chamber to obtain the total number of fume particles in the smoke collecting chamber, and then the total number of fume particles in the smoke collecting chamber is determined as the total amount of fume generated by the stove under the range hood.

[0037] For example, the oil fume particle detector can be a particle scanner, and the particle scanner can be installed in the smoke collection area of ​​the smoke collecting chamber; the particle scanner can be used to detect the oil fume particles in the smoke collection area of ​​the smoke collecting chamber of the range hood to obtain the total number of oil fume particles in the smoke collecting chamber, and then the total number of oil fume particles in the smoke collecting chamber is determined as the total amount of oil fume A generated by the stove under the range hood.

[0038] S102, obtaining the concentration of oil smoke sucked into the flue air inlet, and determining the total amount of oil smoke sucked into the range hood according to the concentration of oil smoke sucked into the flue air inlet and the air inlet area of ​​the flue air inlet.

[0039] Among them, Figure 2 As shown, the range hood 20 may further include a fume concentration detector 202, and the range hood may further include a flue air inlet ( Figure 2 (not shown), the oil fume concentration detector 202 can be used to detect the oil fume at the flue air inlet of the range hood to obtain the concentration of the oil fume sucked in at the flue air inlet; the concentration of the sucked in oil fume can be understood as the concentration of the oil fume sucked in at the flue air inlet of the range hood; the total amount of sucked in oil fume can be understood as the total number of particles of oil fume sucked in at the flue air inlet of the range hood.

[0040] In an optional embodiment, a fume concentration detector can be used to detect the fume at the flue air inlet of the range hood to obtain the concentration of inhaled fume at the flue air inlet, and the inhaled fume concentration is multiplied by the air inlet area of ​​the flue air inlet to obtain the total amount of inhaled fume of the range hood.

[0041] For example, the oil fume concentration detector can be a light sensor; the transmitting end of the oil fume concentration detector can be used to emit infrared light waves, which are scattered after irradiating the oil fume particles at the flue outlet. The receiving end of the light sensor receives the scattered light to obtain the amount of light, and then queries the preset information based on the amount of light to obtain the oil fume concentration C sucked into the flue inlet, wherein the preset information includes the oil fume concentration sucked into the flue inlet corresponding to each light quantity; the oil fume concentration sucked into the flue inlet is multiplied by the air inlet area S of the flue inlet to obtain the total amount of oil fume sucked into the range hood X.

[0042] S103, determining the oil fume absorption rate of the range hood according to the total amount of oil fume and the total amount of oil fume sucked in.

[0043] Among them, the oil fume absorption rate can be understood as the ratio of the total amount of oil fume to the total amount of oil fume inhaled.

[0044] In an optional implementation, the total amount of oil smoke is divided by the total amount of oil smoke sucked in to obtain the oil smoke removal rate of the range hood.

[0045] For example, the oil fume absorption rate Z=the total amount of oil fume A / the total amount of oil fume absorbed X.

[0046] S104, determining a target gear position to be switched to by the fan according to the oil fume suction rate and the current rotation speed of the fan.

[0047] In an optional embodiment, the range hood further includes a fan ( Figure 2(not shown in the figure) the preset conditions for the oil fume removal rate to be satisfied can be determined according to the preset removal rate, and the changing trend of the fan speed can be determined according to the preset speed and the current speed of the fan; the target gear to which the fan is about to switch can be determined according to the preset conditions and the changing trend of the speed.

[0048] The preset conditions include a low-speed gear condition, a first medium-speed gear condition, a second medium-speed gear condition, a third medium-speed gear condition and a high-speed gear condition. The target gear includes a low-speed gear, a medium-speed gear and a high-speed gear.

[0049] Specifically, when the preset condition is a low-speed gear condition and the changing trend of the rotational speed is a first upward trend, it is determined that the target gear to which the fan is about to switch is a low-speed gear; when the first preset condition is a first medium-speed gear condition and the changing trend of the rotational speed is a first downward trend, it is determined that the target gear to which the fan is about to switch is a medium-speed gear; when the first preset condition is a second medium-speed gear condition and the changing trend of the rotational speed is a second downward trend, it is determined that the target gear to which the fan is about to switch is a medium-speed gear; when the first preset condition is a third medium-speed gear condition and the changing trend of the rotational speed is a second upward trend, it is determined that the target gear to which the fan is about to switch is a medium-speed gear; when the first preset condition is a high-speed gear condition and the changing trend of the rotational speed is a third downward trend, it is determined that the target gear to which the fan is about to switch is a high-speed gear.

[0050] S105, controlling the fan to switch to a target gear position so that the fan generates a wind speed corresponding to the target gear position.

[0051] In this embodiment, the total amount of oil smoke generated by the stove under the range hood is obtained; the concentration of oil smoke sucked into the flue air inlet is obtained, and the total amount of oil smoke sucked into the range hood is determined according to the concentration of sucked oil smoke and the air inlet area of ​​the flue air inlet; the oil smoke absorption rate of the range hood is determined according to the total amount of oil smoke and the total amount of sucked oil smoke, which is equivalent to quantifying the oil smoke particles to obtain the oil smoke absorption rate of the flue air inlet of the range hood; according to the oil smoke absorption rate and the current speed of the fan, the target gear to be switched to by the fan is automatically determined, and the fan switching is automatically controlled Shift to the target gear so that the fan generates a wind speed corresponding to the target gear, thereby achieving the purpose of automatically switching the gear of the range hood according to the smoke exhaust conditions of the flue air inlet (oil fume absorption rate) and the current speed of the fan, improving the flexibility and convenience of switching gears of the range hood fan, and solving the problem that the range hood cannot automatically switch gears according to the smoke exhaust conditions of the flue and the current speed of the fan, resulting in poor flexibility and convenience of switching gears of the fan, so that the range hood can exhaust smoke intelligently and bring users a better user experience.

[0052] Figure 3 Another flow chart of the range hood gear control method provided by the embodiment of the present invention is as follows: Figure 3 As shown, the method may include the following steps:

[0053] S301, using an oil fume particle detector to detect oil fume particles in the smoke collecting chamber to obtain the total amount of oil fume generated by the stove below the range hood.

[0054] S302, using an oil fume concentration detector to detect the oil fume at the flue air inlet of the range hood to obtain the concentration of the oil fume sucked into the flue air inlet.

[0055] In an optional embodiment, the range hood may include a first oil fume concentration detector and a second oil fume concentration detector, such as Figure 4 As shown, the first oil fume concentration detector can be installed on one side of the flue air inlet of the range hood, and the first oil fume concentration detector can be used to detect the oil fume particles on one side of the flue air inlet of the range hood to obtain a first inhaled oil fume concentration of the flue air inlet; the second oil fume concentration detector can be installed on the other side of the flue air inlet symmetrical to the position of the first oil fume concentration detector, and the second oil fume concentration detector can be used to detect the oil fume particles on the other side of the flue air inlet of the range hood to obtain a second inhaled oil fume concentration of the flue air inlet; then the inhaled oil fume concentration of the flue air inlet is determined according to the first inhaled oil fume concentration and the second inhaled oil fume concentration; the inhaled oil fume concentration is multiplied by the air inlet area of ​​the flue air inlet to obtain the total amount of oil fume inhaled by the range hood.

[0056] Specifically, the oil fume concentration average of the first inhaled oil fume concentration and the second inhaled oil fume concentration can be calculated, and then the oil fume concentration average is determined as the inhaled oil fume concentration of the flue air inlet, so that the inhaled oil fume concentration of the flue air inlet can be obtained more accurately.

[0057] For example, the first oil fume concentration detector and the second oil fume concentration detector can both be light sensors, and the transmitting end of the first oil fume concentration detector emits infrared light waves, which are scattered after being irradiated by the oil fume particles at the flue air outlet, and the receiving end of the light sensor receives the scattered light to obtain the number of lights, and then the preset information is queried according to the number of lights to obtain the first inhaled oil fume concentration C1 of the flue air inlet, wherein the preset information includes the inhaled oil fume concentrations corresponding to each number of lights; the transmitting end of the second oil fume concentration detector emits infrared light waves, which are scattered after being irradiated by the oil fume particles at the flue air outlet, and the receiving end of the light sensor receives the scattered light to obtain the number of lights, and then the preset information is queried according to the number of lights to obtain the second inhaled oil fume concentration C2 of the flue air inlet; then the oil fume concentration average C of the first inhaled oil fume concentration and the second inhaled oil fume concentration is calculated, and then the oil fume concentration average is determined as the inhaled oil fume concentration C of the flue air inlet; the inhaled oil fume concentration C is multiplied by the air inlet area S of the flue air inlet to obtain the total amount of oil fume X inhaled by the range hood.

[0058] S303, multiplying the concentration of the sucked oil smoke by the air inlet area of ​​the flue air inlet to obtain the total amount of oil smoke sucked into the range hood.

[0059] S304, dividing the total amount of oil smoke by the total amount of oil smoke sucked in to obtain the oil smoke suction rate of the range hood.

[0060] S305, determining a preset condition that the oil fume absorption rate satisfies according to the preset absorption rate.

[0061] Among them, the preset suction rate includes a first preset suction rate, a second preset suction rate, a third preset suction rate and a fourth preset suction rate. The first preset suction rate is smaller than the second preset suction rate, the second preset suction rate is smaller than the preset suction rate, and the third preset suction rate is smaller than the fourth preset suction rate.

[0062] In an optional embodiment, when the oil fume absorption rate does not exceed the first preset absorption rate, it is determined that the oil fume absorption rate meets the low-speed gear condition; when the oil fume absorption rate exceeds the first preset absorption rate and the oil fume absorption rate does not exceed the second preset absorption rate, it is determined that the oil fume absorption rate meets the first medium-speed gear condition; when the oil fume absorption rate exceeds the second preset absorption rate and the oil fume absorption rate does not exceed the third preset absorption rate, it is determined that the oil fume absorption rate meets the second medium-speed gear condition; when the oil fume absorption rate exceeds the third preset absorption rate and the oil fume absorption rate does not exceed the fourth preset absorption rate, it is determined that the oil fume absorption rate meets the third medium-speed gear condition; when the oil fume absorption rate exceeds the fourth preset absorption rate, it is determined that the oil fume absorption rate meets the high-speed gear condition.

[0063] For example, the first preset suction rate is 0.2, the second preset suction rate is 0.4, the third preset suction rate is 0.6 and the fourth preset suction rate is 0.8; when Z < 0.2, it is determined that the oil fume suction rate meets the low-speed gear condition; when 0.2 ≤ Z < 0.4, it is determined that the oil fume suction rate meets the first medium-speed gear condition; when 0.4 ≤ Z < 0.6, it is determined that the oil fume suction rate meets the second medium-speed gear condition; when 0.6 ≤ Z < 0.8, it is determined that the oil fume suction rate meets the third medium-speed gear condition; when Z ≥ 0.8, it is determined that the oil fume suction rate meets the high-speed gear condition

[0064] S306, determining a change trend of the speed of the fan according to a preset speed and the current speed of the fan.

[0065] Among them, the changing trend of the speed includes a first rising trend, a second rising trend, a first falling trend, a second falling trend and a third falling trend, the preset speed includes a first preset speed, a second preset speed, a third preset speed and a fourth preset speed, the first preset speed is less than the second preset speed, the second preset speed is less than the third preset speed, and the third preset speed is less than the fourth preset speed.

[0066] In an optional embodiment, when the current speed of the fan increases from a first preset speed to a second preset speed, the changing trend of the speed of the fan is determined to be a first increasing trend; when the current speed of the fan decreases from the second preset speed to the first preset speed, the changing trend of the speed of the fan is determined to be a first decreasing trend; when the current speed of the fan decreases from a third preset speed to the second preset speed, the changing trend of the speed of the fan is determined to be a second decreasing trend; when the current speed of the fan increases from the third preset speed to the fourth preset speed, the changing trend of the speed of the fan is determined to be a second increasing trend; when the current speed of the fan decreases from the fourth preset speed to the third preset speed, the changing trend of the speed of the fan is determined to be a third decreasing trend.

[0067] For example, the first preset speed is 480, the second preset speed is 520, the third preset speed is 580 and the fourth preset speed is 620. When the current speed of the fan increases from 480 to 520, the changing trend of the speed of the fan is determined to be a first increasing trend; when the current speed of the fan decreases from 520 to 480, the changing trend of the speed of the fan is determined to be a first decreasing trend; when the current speed of the fan decreases from 580 to 520, the changing trend of the speed of the fan is determined to be a second decreasing trend; when the current speed of the fan increases from 580 to 620, the changing trend of the speed of the fan is determined to be a second increasing trend; when the current speed of the fan decreases from 620 to 580, the changing trend of the speed of the fan is determined to be a third decreasing trend.

[0068] S307, determining the target gear position to which the fan is about to switch according to preset conditions and the change trend of the rotation speed.

[0069] For example, when the preset condition is a low-speed gear condition (Z < 0.2) and the speed change trend is a first upward trend (the current speed increases from 480 to 520), it is determined that the target gear to be switched by the fan is a low-speed gear; when the first preset condition is a first medium-speed gear condition (0.2 ≤ Z < 0.4) and the speed change trend is a first downward trend (the current speed decreases from 520 to 480), it is determined that the target gear to be switched by the fan is a medium-speed gear; when the first preset condition is a second medium-speed gear condition (0.4 ≤ Z < 0.6) and the speed change trend is a second downward trend (the current speed decreases from 580 to 520), it is determined that The target gear to which the fan is about to switch is determined to be the medium-speed gear; when the first preset condition is the third medium-speed gear condition (0.6≤Z<0.8) and the speed change trend is the second upward trend (the current speed increases from 580 to 620), the target gear to which the fan is about to switch is determined to be the medium-speed gear; when the first preset condition is the high-speed gear condition (Z≥0.8) and the speed change trend is the third downward trend (the current speed decreases from 620 to 580), the target gear to which the fan is about to switch is determined to be the high-speed gear. In this way, the speed of the fan of the range hood can be adjusted in real time according to the oil fume suction rate and the current speed of the range hood, thereby improving the exhaust efficiency of the range hood.

[0070] S308, controlling the fan to switch to a target gear position so that the fan generates a wind speed corresponding to the target gear position.

[0071] In this embodiment, an oil fume particle detector is used to detect oil fume particles in the smoke collecting chamber of the range hood to obtain the total amount of oil fume generated by the stove below the range hood; an oil fume concentration detector is used to detect oil fume at the flue air inlet of the range hood to obtain the concentration of oil fume sucked into the flue air inlet, and the total amount of oil fume sucked into the range hood is determined according to the concentration of sucked oil fume and the air inlet area of ​​the flue air inlet; the oil fume absorption rate of the range hood is determined according to the total amount of oil fume and the total amount of sucked oil fume, which is equivalent to quantifying the oil fume particles to obtain the oil fume absorption rate of the flue air inlet of the range hood; according to the oil fume absorption rate and the current speed of the fan, Automatically determine the target gear that the fan is about to switch to, and automatically control the fan to switch to the target gear, so that the fan generates a wind speed corresponding to the target gear, and achieves the purpose of automatically switching the gear of the range hood according to the smoke exhaust conditions of the flue air inlet (oil fume absorption rate) and the current speed of the fan, thereby improving the flexibility and convenience of switching the gear of the range hood fan, and solving the problem that the range hood cannot automatically switch the gear according to the smoke exhaust conditions of the flue and the current speed of the fan, resulting in poor flexibility and convenience in switching the gear of the fan, so that the range hood can exhaust smoke intelligently and bring users a better use experience.

[0072] Figure 5The present invention provides a schematic diagram of a range hood gear control device, wherein the range hood includes a fan, a smoke collecting chamber, and a flue air inlet. The device is suitable for executing the range hood gear control method provided by the present invention. Figure 5 As shown, the device may specifically include:

[0073] The first acquisition module 401 is used to acquire the total amount of oil smoke generated by the stove below the range hood;

[0074] The second acquisition module 402 is used to acquire the concentration of oil smoke sucked into the air inlet of the flue, and determine the total amount of oil smoke sucked into the range hood according to the concentration of oil smoke sucked into and the air inlet area of ​​the air inlet of the flue;

[0075] A first determining module 403 is used to determine the oil fume absorption rate of the range hood according to the total amount of oil fume and the total amount of oil fume sucked in;

[0076] A second determination module 404 is used to determine the target gear position to be switched to by the fan according to the oil fume absorption rate and the current rotation speed of the fan;

[0077] The gear control module 405 is used to control the fan to switch to the target gear, so that the fan generates a wind speed corresponding to the target gear.

[0078] Optionally, the range hood includes a fume particle detector and a fume concentration detector, and the first acquisition module 401 is specifically used to:

[0079] The oil fume particle detector is used to detect the oil fume particles in the smoke collecting chamber to obtain the total amount of oil fume generated by the stove under the range hood;

[0080] The second acquisition module 402 acquires the concentration of the oil smoke sucked into the air inlet of the flue, including:

[0081] The oil fume concentration detector is used to detect the oil fume at the flue air inlet of the range hood to obtain the concentration of the oil fume sucked into the flue air inlet.

[0082] Optionally, the second acquisition module 402 determines the total amount of oil smoke sucked into the range hood according to the concentration of the sucked oil smoke and the air inlet area of ​​the flue air inlet, including:

[0083] The total amount of oil smoke sucked into the range hood is obtained by multiplying the concentration of the sucked oil smoke by the air inlet area of ​​the flue air inlet.

[0084] Optionally, the first determining module 403 is specifically configured to:

[0085] The total amount of oil smoke is divided by the total amount of oil smoke sucked in to obtain the oil smoke absorption rate of the range hood.

[0086] Optionally, the second determining module 404 is specifically configured to:

[0087] Determining a preset condition that the oil fume absorption rate satisfies according to a preset absorption rate, and determining a change trend of the rotation speed of the fan according to the preset rotation speed and the current rotation speed of the fan;

[0088] The target gear position to which the fan is about to switch is determined according to the preset condition and the change trend of the rotation speed.

[0089] Optionally, the preset conditions include a low-speed gear condition, a first medium-speed gear condition, a second medium-speed gear condition, a third medium-speed gear condition and a high-speed gear condition, the preset clean absorption rate includes a first preset clean absorption rate, a second preset clean absorption rate, a third preset clean absorption rate and a fourth preset clean absorption rate, the first preset clean absorption rate is less than the second preset clean absorption rate, the second preset clean absorption rate is less than the preset clean absorption rate, and the third preset clean absorption rate is less than the fourth preset clean absorption rate, and the second determination module 404 determines the preset conditions satisfied by the oil fume clean absorption rate according to the preset clean absorption rates, including:

[0090] When the oil fume absorption rate does not exceed the first preset absorption rate, determining that the oil fume absorption rate meets the low-speed gear condition;

[0091] When the oil fume absorption rate exceeds the first preset absorption rate and the oil fume absorption rate does not exceed the second preset absorption rate, determining that the oil fume absorption rate meets the first medium-speed gear condition;

[0092] When the oil fume absorption rate exceeds the second preset absorption rate and the oil fume absorption rate does not exceed the third preset absorption rate, determining that the oil fume absorption rate meets the second medium-speed gear condition;

[0093] When the oil fume absorption rate exceeds the third preset absorption rate and the oil fume absorption rate does not exceed the fourth preset absorption rate, determining that the oil fume absorption rate meets the third medium-speed gear condition;

[0094] When the oil fume absorption rate exceeds the fourth preset absorption rate, it is determined that the oil fume absorption rate meets the high-speed gear condition.

[0095] Optionally, the change trend of the rotation speed includes a first rising trend, a second rising trend, a first falling trend, a second falling trend and a third falling trend, the preset rotation speed includes a first preset rotation speed, a second preset rotation speed, a third preset rotation speed and a fourth preset rotation speed, the first preset rotation speed is less than the second preset rotation speed, the second preset rotation speed is less than the third preset rotation speed, and the third preset rotation speed is less than the fourth preset rotation speed, and the second determining module 404 determines the change trend of the rotation speed of the fan according to the preset rotation speed and the current rotation speed of the fan, including:

[0096] When the current rotation speed of the fan increases from the first preset rotation speed to the second preset rotation speed, determining that the change trend of the rotation speed of the fan is the first increasing trend;

[0097] When the current rotation speed of the fan decreases from the second preset rotation speed to the first preset rotation speed, determining that the change trend of the rotation speed of the fan is the first downward trend;

[0098] When the current rotation speed of the fan decreases from the third preset rotation speed to the second preset rotation speed, determining that the change trend of the rotation speed of the fan is the second decreasing trend;

[0099] When the current rotation speed of the fan increases from the third preset rotation speed to the fourth preset rotation speed, determining that the change trend of the rotation speed of the fan is the second increasing trend;

[0100] When the current rotation speed of the fan decreases from the fourth preset rotation speed to the third preset rotation speed, it is determined that the change trend of the rotation speed of the fan is the third decreasing trend.

[0101] Optionally, the target gear includes a low speed gear, a medium speed gear and a high speed gear, and the second determination module 404 determines the target gear to be switched by the fan according to the preset condition and the change trend of the speed, including:

[0102] When the preset condition is the low-speed gear condition and the rotation speed change trend is the first rising trend, determining that the target gear to be switched by the fan is the low-speed gear;

[0103] When the first preset condition is the first medium-speed gear condition and the change trend of the rotation speed is the first downward trend, determining that the target gear to be switched by the fan is the medium-speed gear;

[0104] When the first preset condition is the second medium-speed gear condition and the change trend of the rotation speed is the second downward trend, determining that the target gear to be switched by the fan is the medium-speed gear;

[0105] When the first preset condition is the third medium-speed gear condition and the change trend of the rotation speed is the second upward trend, determining that the target gear to be switched by the fan is the medium-speed gear;

[0106] When the first preset condition is the high-speed gear condition and the change trend of the rotation speed is the third downward trend, it is determined that the target gear to which the fan is about to switch is the high-speed gear.

[0107] The range hood gear control device provided in this embodiment can execute the range hood gear control method provided in any embodiment of the present invention, and has the corresponding functional modules and beneficial effects of the execution method.

[0108] Figure 6 A schematic diagram of a computer system 10 of a range hood that can be used to implement an embodiment of the present invention is shown. The electronic device is intended to represent various forms of digital computers, such as laptop computers, desktop computers, workbenches, personal digital assistants, servers, blade servers, mainframe computers, and other suitable computers. The electronic device can also represent various forms of mobile devices, such as personal digital processing, cellular phones, smart phones, wearable devices (such as helmets, glasses, watches, etc.) and other similar computing devices. The components shown herein, their connections and relationships, and their functions are merely examples and are not intended to limit the implementation of the present invention described and / or required herein.

[0109] like Figure 6 As shown, the computer system 10 includes at least one processor 11, and a memory connected to the at least one processor 11, such as a read-only memory (ROM) 12, a random access memory (RAM) 13, etc., wherein the memory stores a computer program that can be executed by at least one processor, and the processor 11 can perform various appropriate actions and processes according to the computer program stored in the read-only memory (ROM) 12 or the computer program loaded from the storage unit 18 to the random access memory (RAM) 13. In the RAM 13, various programs and data required for the operation of the computer system 10 can also be stored. The processor 11, the ROM 12, and the RAM 13 are connected to each other through a bus 14. An input / output (I / O) interface 15 is also connected to the bus 14.

[0110] A number of components in the computer system 10 are connected to the I / O interface 15, including: an input unit 16, such as a keyboard, a mouse, etc.; an output unit 17, such as various types of displays, speakers, etc.; a storage unit 18, such as a disk, an optical disk, etc.; and a communication unit 19, such as a network card, a modem, a wireless communication transceiver, etc. The communication unit 19 allows the computer system 10 to exchange information / data with other devices through a computer network such as the Internet and / or various telecommunication networks.

[0111] The processor 11 may be a variety of general and / or special processing components with processing and computing capabilities. Some examples of the processor 11 include, but are not limited to, a central processing unit (CPU), a graphics processing unit (GPU), various special artificial intelligence (AI) computing chips, various processors running machine learning model algorithms, a digital signal processor (DSP), and any appropriate processor, controller, microcontroller, etc. The processor 11 executes the various methods and processes described above, such as the range hood gear control method.

[0112] In some embodiments, the range hood gear control method may be implemented as a computer program, which is tangibly contained in a computer-readable storage medium, such as a storage unit 18. In some embodiments, part or all of the computer program may be loaded and / or installed on the computer system 10 via the ROM 12 and / or the communication unit 19. When the computer program is loaded into the RAM 13 and executed by the processor 11, one or more steps of the range hood gear control method described above may be performed. Alternatively, in other embodiments, the processor 11 may be configured to execute the range hood gear control method in any other appropriate manner (e.g., by means of firmware).

[0113] Various implementations of the systems and techniques described above herein can be implemented in digital electronic circuit systems, integrated circuit systems, field programmable gate arrays (FPGAs), application specific integrated circuits (ASICs), application specific standard products (ASSPs), systems on chips (SOCs), load programmable logic devices (CPLDs), computer hardware, firmware, software, and / or combinations thereof. These various implementations can include: being implemented in one or more computer programs that can be executed and / or interpreted on a programmable system including at least one programmable processor, which can be a special purpose or general purpose programmable processor that can receive data and instructions from a storage system, at least one input device, and at least one output device, and transmit data and instructions to the storage system, the at least one input device, and the at least one output device.

[0114] Computer programs for implementing the methods of the present invention may be written in any combination of one or more programming languages. These computer programs may be provided to a processor of a general-purpose computer, a special-purpose computer, or other programmable data processing device, so that when the computer program is executed by the processor, the functions / operations specified in the flow chart and / or block diagram are implemented. The computer program may be executed entirely on the machine, partially on the machine, partially on the machine and partially on a remote machine as a stand-alone software package, or entirely on a remote machine or server.

[0115] In the context of the present invention, a computer-readable storage medium may be a tangible medium that may contain or store a computer program for use by or in combination with an instruction execution system, device or equipment. A computer-readable storage medium may include, but is not limited to, electronic, magnetic, optical, electromagnetic, infrared, or semiconductor systems, devices or equipment, or any suitable combination of the foregoing. Alternatively, a computer-readable storage medium may be a machine-readable signal medium. A more specific example of a machine-readable storage medium may include an electrical connection based on one or more lines, a portable computer disk, a hard disk, a random access memory (RAM), a read-only memory (ROM), an erasable programmable read-only memory (EPROM or flash memory), an optical fiber, a portable compact disk read-only memory (CD-ROM), an optical storage device, a magnetic storage device, or any suitable combination of the foregoing.

[0116] To provide interaction with a user, the systems and techniques described herein may be implemented on an electronic device having: a display device (e.g., a CRT (cathode ray tube) or LCD (liquid crystal display) monitor) for displaying information to the user; and a keyboard and a pointing device (e.g., a mouse or trackball) through which the user can provide input to the electronic device. Other types of devices may also be used to provide interaction with the user; for example, the feedback provided to the user may be any form of sensory feedback (e.g., visual feedback, auditory feedback, or tactile feedback); and input from the user may be received in any form (including acoustic input, voice input, or tactile input).

[0117] The systems and techniques described herein may be implemented in a computing system that includes backend components (e.g., as a data server), or a computing system that includes middleware components (e.g., an application server), or a computing system that includes frontend components (e.g., a user computer with a graphical user interface or a web browser through which a user can interact with implementations of the systems and techniques described herein), or a computing system that includes any combination of such backend components, middleware components, or frontend components. The components of the system may be interconnected by any form or medium of digital data communication (e.g., a communication network). Examples of communication networks include: a local area network (LAN), a wide area network (WAN), a blockchain network, and the Internet.

[0118] A computing system may include a client and a server. The client and the server are generally remote from each other and usually interact through a communication network. The client and server relationship is generated by computer programs running on the corresponding computers and having a client-server relationship with each other. The server may be a cloud server, also known as a cloud computing server or cloud host, which is a host product in the cloud computing service system to solve the defects of difficult management and weak business scalability in traditional physical hosts and VPS services.

[0119] It should be understood that the various forms of processes shown above can be used to reorder, add or delete steps. For example, the steps described in the present invention can be executed in parallel, sequentially or in different orders, as long as the desired results of the technical solution of the present invention can be achieved, and this document does not limit this.

[0120] The above specific implementations do not constitute a limitation on the protection scope of the present invention. It should be understood by those skilled in the art that various modifications, combinations, sub-combinations and substitutions can be made according to design requirements and other factors. Any modification, equivalent substitution and improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A range hood gear control method, characterized in that: The range hood comprises a fan, a smoke collecting chamber and a flue air inlet, and the method comprises: Obtaining the total amount of oil smoke generated by the stove below the range hood; Acquiring the concentration of oil smoke sucked into the air inlet of the flue, and determining the total amount of oil smoke sucked into the range hood according to the concentration of oil smoke sucked into and the air inlet area of ​​the air inlet of the flue; Determining the oil fume absorption rate of the range hood according to the total amount of oil fume and the total amount of oil fume sucked in; Determining a target gear position to be switched to by the fan according to the oil fume absorption rate and the current rotation speed of the fan; The fan is controlled to switch to the target gear so that the fan generates a wind speed corresponding to the target gear.

2. The method according to claim 1, characterized in that The range hood includes a fume particle detector and a fume concentration detector, and obtaining the total amount of fume generated by the stove below the range hood includes: The oil fume particle detector is used to detect the oil fume particles in the smoke collecting chamber to obtain the total amount of oil fume generated by the stove under the range hood; The step of obtaining the concentration of oil smoke sucked into the air inlet of the flue comprises: The oil fume concentration detector is used to detect the oil fume at the flue air inlet of the range hood to obtain the concentration of the oil fume sucked into the flue air inlet.

3. The method according to claim 1, characterized in that The determining the total amount of oil smoke sucked into the range hood according to the concentration of the sucked oil smoke and the air inlet area of ​​the flue air inlet comprises: The total amount of oil smoke sucked into the range hood is obtained by multiplying the concentration of the sucked oil smoke by the air inlet area of ​​the flue air inlet.

4. The method according to claim 1, characterized in that: The determining the oil fume absorption rate of the range hood according to the total amount of oil fume and the total amount of oil fume sucked in comprises: The total amount of oil smoke is divided by the total amount of oil smoke sucked in to obtain the oil smoke absorption rate of the range hood.

5. The method according to claim 1, characterized in that The step of determining the target gear position to be switched by the fan according to the oil fume absorption rate and the current rotation speed of the fan includes: Determining a preset condition that the oil fume absorption rate satisfies according to a preset absorption rate, and determining a change trend of the rotation speed of the fan according to the preset rotation speed and the current rotation speed of the fan; The target gear position to which the fan is about to switch is determined according to the preset condition and the change trend of the rotation speed.

6. The method according to claim 5, characterized in that The preset conditions include a low-speed gear condition, a first medium-speed gear condition, a second medium-speed gear condition, a third medium-speed gear condition and a high-speed gear condition; the preset clean absorption rate includes a first preset clean absorption rate, a second preset clean absorption rate, a third preset clean absorption rate and a fourth preset clean absorption rate; the first preset clean absorption rate is less than the second preset clean absorption rate, the second preset clean absorption rate is less than the preset clean absorption rate, and the third preset clean absorption rate is less than the fourth preset clean absorption rate; the preset conditions that the oil smoke clean absorption rate satisfies according to the preset clean absorption rates include: When the oil fume absorption rate does not exceed the first preset absorption rate, determining that the oil fume absorption rate meets the low-speed gear condition; When the oil fume absorption rate exceeds the first preset absorption rate and the oil fume absorption rate does not exceed the second preset absorption rate, determining that the oil fume absorption rate meets the first medium-speed gear condition; When the oil fume absorption rate exceeds the second preset absorption rate and the oil fume absorption rate does not exceed the third preset absorption rate, determining that the oil fume absorption rate meets the second medium-speed gear condition; When the oil fume absorption rate exceeds the third preset absorption rate and the oil fume absorption rate does not exceed the fourth preset absorption rate, determining that the oil fume absorption rate meets the third medium-speed gear condition; When the oil fume absorption rate exceeds the fourth preset absorption rate, it is determined that the oil fume absorption rate meets the high-speed gear condition.

7. The method according to claim 6, characterized in that The change trend of the rotation speed includes a first rising trend, a second rising trend, a first falling trend, a second falling trend and a third falling trend; the preset rotation speed includes a first preset rotation speed, a second preset rotation speed, a third preset rotation speed and a fourth preset rotation speed; the first preset rotation speed is less than the second preset rotation speed, the second preset rotation speed is less than the third preset rotation speed, and the third preset rotation speed is less than the fourth preset rotation speed; and determining the change trend of the rotation speed of the fan according to the preset rotation speed and the current rotation speed of the fan includes: When the current rotation speed of the fan increases from the first preset rotation speed to the second preset rotation speed, determining that the change trend of the rotation speed of the fan is the first increasing trend; When the current rotation speed of the fan decreases from the second preset rotation speed to the first preset rotation speed, determining that the change trend of the rotation speed of the fan is the first downward trend; When the current rotation speed of the fan decreases from the third preset rotation speed to the second preset rotation speed, determining that the change trend of the rotation speed of the fan is the second decreasing trend; When the current rotation speed of the fan increases from the third preset rotation speed to the fourth preset rotation speed, determining that the change trend of the rotation speed of the fan is the second increasing trend; When the current rotation speed of the fan decreases from the fourth preset rotation speed to the third preset rotation speed, it is determined that the change trend of the rotation speed of the fan is the third decreasing trend.

8. The method according to claim 7, characterized in that The target gear includes a low speed gear, a medium speed gear and a high speed gear. The determining the target gear to be switched to by the fan according to the preset condition and the change trend of the speed includes: When the preset condition is the low-speed gear condition and the rotation speed change trend is the first rising trend, determining that the target gear to be switched by the fan is the low-speed gear; When the first preset condition is the first medium-speed gear condition and the change trend of the rotation speed is the first downward trend, determining that the target gear to be switched by the fan is the medium-speed gear; When the first preset condition is the second medium-speed gear condition and the change trend of the rotation speed is the second downward trend, determining that the target gear to be switched by the fan is the medium-speed gear; When the first preset condition is the third medium-speed gear condition and the change trend of the rotation speed is the second upward trend, determining that the target gear to be switched by the fan is the medium-speed gear; When the first preset condition is the high-speed gear condition and the change trend of the rotation speed is the third downward trend, it is determined that the target gear to which the fan is about to switch is the high-speed gear.

9. A range hood gear control device, characterized in that: The range hood comprises a fan, a smoke collecting chamber and a flue air inlet, and the device comprises: A first acquisition module is used to acquire the total amount of oil smoke generated by the stove below the range hood; a second acquisition module, for acquiring the concentration of oil smoke sucked into the air inlet of the flue, and determining the total amount of oil smoke sucked into the range hood according to the concentration of oil smoke sucked into and the air inlet area of ​​the air inlet of the flue; A first determining module, configured to determine the oil fume absorption rate of the range hood according to the total amount of oil fume and the total amount of oil fume sucked in; A second determination module is used to determine the target gear position to be switched by the fan according to the oil fume absorption rate and the current rotation speed of the fan; The gear control module is used to control the fan to switch to the target gear so that the fan generates a wind speed corresponding to the target gear.

10. A range hood, characterized in that: include: at least one processor; as well as a memory communicatively connected to the at least one processor; wherein, The memory stores a computer program executable by the at least one processor, and the computer program is executed by the at least one processor so that the at least one processor can execute the range hood gear control method according to any one of claims 1 to 8.

11. A computer-readable storage medium storing computer instructions, characterized in that: The computer instructions are used to enable a processor to implement the range hood gear control method according to any one of claims 1 to 8 when executed.

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