Range hood control method and device, household appliance and storage medium

Abstract

The invention discloses a range hood control method and device, a household appliance and a storage medium. The range hood control method comprises the steps that the exhaust pressure generated when a range hood operates under the current power is detected; determining the pressure grade to which the exhaust pressure belongs; when the pressure level exceeds a preset pressure level, reducing the current power to first target power; and when the pressure level does not exceed the preset pressure level, increasing the current power to second target power. According to the method and the device, the pressure grade of the exhaust pressure generated when the range hood operates under the current power is detected so as to judge the pressure grade of the current smoke exhaust pipeline, and when the pressure grade of the current smoke exhaust pipeline represents that the smoke exhaust pipeline is blocked, the current power is reduced to the target power, so that idle work of the range hood is avoided, and noise is reduced. And when the pressure grade of the current smoke exhaust pipeline represents that the smoke exhaust pipeline is comfortable or blocked, the current power is increased to the target power, so that the smoke exhaust effect is improved, and excessive noise is avoided.

Description

Technical Field

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

[0002] Range hoods are a common kitchen appliance in our daily life. People use range hoods to extract oil and solve the problem of kitchen fumes. In the related technology, on the one hand, the fan speed of the range hood is multiple and it is necessary to continuously and randomly adjust the speed to determine the speed that satisfies the user. On the other hand, when the exhaust pipe is seriously blocked, the fan will be forced to increase the power to achieve the preset air volume, which does not effectively improve the exhaust effect and results in a large noise. Summary of the invention

[0003] The present invention provides a range hood control method, device, household appliance and storage medium, which can reduce or increase the current power to different target powers according to different pressure levels, avoid the range hood from doing useless work when the range hood pipeline pressure is high, reduce noise and improve user experience.

[0004] In a first aspect, the present invention provides a range hood control method, the method comprising:

[0005] Detecting the exhaust pressure generated by the range hood operating at the current power;

[0006] Determining the pressure level to which the exhaust pressure belongs;

[0007] When the pressure level exceeds a preset pressure level, reducing the current power to a first target power;

[0008] When the pressure level does not exceed the preset pressure level, the current power is increased to a second target power.

[0009] In a second aspect, the present invention provides a range hood control device, the device comprising:

[0010] A detection module, used to detect the exhaust pressure generated by the range hood operating at the current power;

[0011] A determination module, used to determine the pressure level to which the exhaust pressure belongs;

[0012] a reducing module, configured to reduce the current power to a first target power when the pressure level exceeds a preset pressure level;

[0013] The increasing module is used to increase the current power to a second target power when the pressure level does not exceed the preset pressure level.

[0014] In a third aspect, the household appliance provided by the present invention comprises a memory, a processor and a computer program stored in the memory and executable on the processor, wherein when the processor executes the program, the range hood control method as described in any embodiment of the present invention is implemented.

[0015] In a fourth aspect, the present invention provides a computer-readable storage medium on which a computer program is stored, and when the program is executed by a processor, the range hood control method as described in any embodiment of the present invention is implemented.

[0016] The solution of the present invention can detect the exhaust pressure generated by the range hood when it is running at the current power; determine the pressure level to which the exhaust pressure belongs; when the pressure level exceeds the preset pressure level, reduce the current power to a first target power; when the pressure level does not exceed the preset pressure level, increase the current power to a second target power. In the present invention, the pressure level to which the exhaust pressure generated by the range hood when it is running at the current power belongs is detected to thereby determine the pressure level of the current exhaust pipe. When the pressure level of the current exhaust pipe indicates that the exhaust pipe is blocked, the current power is reduced to the target power, which not only avoids the range hood from doing useless work, but also reduces noise. When the pressure level of the current exhaust pipe indicates that the exhaust pipe is comfortable or congested, the current power is increased to the target power, which improves the exhaust effect and avoids excessive noise. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the technical solution of the present invention, the drawings required for use in the embodiments are briefly introduced below. It should be understood that the following drawings only show certain embodiments of the present invention and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other related drawings can be obtained based on these drawings without paying creative work.

[0018] Figure 1 This is a schematic diagram of a flow chart of a method for controlling a range hood provided by the present invention. Figure 1 ;

[0019] Figure 2 This is a schematic diagram of a flow chart of a method for controlling a range hood provided by the present invention. Figure 2 ;

[0020] Figure 3 It is a structural schematic diagram of the range hood control device provided by the present invention;

[0021] Figure 4 It is a structural schematic diagram of the household appliance provided by the present invention. DETAILED DESCRIPTION

[0022] In order to enable those skilled in the art to better understand the solution of the present invention, the technical solution of the present invention will be clearly and completely described below in conjunction with the drawings 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 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.

[0023] 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 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.

[0024] In the present invention, the technical solution can be applied to the control of household appliances, such as the control of range hoods. In the subsequent description, the technical solution of the present invention will be described by combining the control scenario of range hoods as an example, but it should be noted that the technical solution of the present invention can be applied not only to the control of range hoods, and this is not limited here.

[0025] like Figure 1 As shown, Figure 1 This is a schematic diagram of a flow chart of a method for controlling a range hood provided by the present invention. Figure 1 The range hood control method provided by the present invention can be executed by the range hood control device provided by the present invention, and the device can be implemented in software and / or hardware. In a specific embodiment, the device can be integrated into a household appliance, and the household appliance can be a range hood, an integrated stove, etc. The following embodiments will be described by taking the range hood control device integrated into a household appliance as an example. Figure 1 The range hood control method of this embodiment may specifically include the following steps:

[0026] S101, detecting the exhaust pressure generated by the range hood operating at the current power.

[0027] Specifically, the exhaust pressure is the pressure of smoke exhaust from the range hood. The greater the exhaust pressure, the better the smoke exhaust effect. When using the range hood, the user selects a gear according to the actual situation. After the range hood receives the command to determine the gear, it starts the fan. After the fan starts, it uses a given current to drive the motor to start running. During the operation of the motor, the current speed of the motor is detected. Based on the detected speed, the current power, current air volume and current exhaust pressure of the range hood are calculated. The air pressure and air volume can be calculated using the following formulas (1) and (2):

[0028] q=G(n,r) (1)

[0029] In the above formula (1), q is the air volume, n is the power, and r is the rotation speed.

[0030] p=H(q,r) (2)

[0031] In the above formula (2), p is the wind pressure.

[0032] In this embodiment, when the user actually uses the range hood, due to the different back pressures of the public flue, even if the given current is the same, the subsequent calculated rotation speed and power will be different.

[0033] S102: Determine the pressure level to which the exhaust pressure belongs.

[0034] Specifically, the pressure level can be determined by the maximum static pressure value of the range hood, and the current smoke exhaust pipe pressure level can be determined by the pressure level to which the exhaust pressure of the range hood belongs, so as to determine whether the power of the range hood needs to be increased or decreased in the future. When the range hood is in use, the range hood will automatically adjust the output power according to the smoke exhaust pipe pressure. When the smoke exhaust pipe pressure is very high, that is, the smoke exhaust pipe is very clogged, the range hood will increase the output power to increase the air volume. However, at this time, the smoke exhaust pipe is very clogged. Even if the output power of the range hood is increased, the smoke exhaust effect cannot be effectively improved, and the noise of the range hood is increased at the same time. Therefore, the pressure level to which the exhaust pressure belongs can be used to determine whether increasing the power can effectively exhaust smoke, and the pressure level can be determined based on the maximum static pressure value of the range hood.

[0035] S103: When the pressure level exceeds the preset pressure level, reducing the current power to a first target power.

[0036] Specifically, the first target power is the power determined by the standard required noise. The noise generated by the range hood according to the first target power meets the user's requirements for noise. The first target power can be a built-in fixed value. When the pressure level exceeds the preset pressure level, it indicates that the smoke exhaust pipe of the range hood is very blocked. Even if the output power of the range hood is increased, the smoke exhaust effect cannot be effectively improved. At this time, reducing noise is the primary goal. It is sufficient to maintain a large wind pressure and reasonable noise, and the current power can be reduced to the first target power built into the range hood.

[0037] For example, it can be from 0 to P max (maximum static pressure value) is divided into the first pressure level, the second pressure level or the third pressure level, etc., which is not limited here. The preset pressure level is set to the second pressure level, and the pressure level to which the exhaust pressure belongs is compared with the preset second pressure level to determine whether it exceeds the preset pressure level and then determine the pressure level of the exhaust pipe. Or it can be from 0 to P max The pressure of the range hood duct is divided into comfortable section, congestion section and blocking section, which can be specifically expressed as: 0 to P 舒适 For the comfort segment, P 舒适 To P 拥堵 Congested section, P 拥堵 To P 堵塞 The exhaust pressure generated by the range hood at the current power is matched with the values ​​of the comfort segment, congestion segment, and congestion segment. When the match with the congestion segment is successful, it indicates that the exhaust pipe of the range hood is very blocked. At this time, noise reduction is the main focus. When the current noise corresponding to the current power does not meet the preset noise condition, the current power is reduced to the first target power. When the match with the comfort segment or congestion segment is successful, the exhaust effect is used to determine whether the current power needs to be increased to the second target power. Among them, P 舒适 and P 拥堵 The split point can be set artificially through experiments.

[0038] S104: When the pressure level does not exceed the preset pressure level, the current power is increased to a second target power.

[0039] Specifically, the second target power is the power determined according to the exhaust effect of the exhaust pipe, and the exhaust effect generated by the range hood according to the second target power meets the user's requirements. When the pressure level does not exceed the preset pressure level, it indicates that the range hood pipe is in a comfortable state or a congested state, but not completely blocked. When the range hood increases its output power, the exhaust effect can be effectively improved. At this time, the exhaust effect of the range hood can be given priority, and noise reduction can be used as a supplement, and the current power can be reduced to the target power built into the range hood.

[0040] Exemplarily, if the preset pressure level is set to the second pressure level, the pressure level to which the exhaust pressure belongs is the first level, and compared with the preset second pressure level, if it does not exceed the preset pressure level, the current power can be increased to the second target power.

[0041] It can be understood that in this embodiment, the exhaust pressure generated by the range hood running at the current power is detected; the pressure level to which the exhaust pressure belongs is determined; when the pressure level exceeds the preset pressure level, the current power is reduced to the first target power; when the pressure level does not exceed the preset pressure level, the current power is increased to the second target power. In the present invention, the pressure level to which the exhaust pressure generated by the range hood running at the current power belongs is detected to further determine the pressure level of the current exhaust pipe. When the pressure level of the current exhaust pipe indicates that the exhaust pipe is blocked, the current power is reduced to the target power, which not only avoids the range hood from doing useless work, but also reduces noise. When the pressure level of the current exhaust pipe indicates that the exhaust pipe is comfortable or congested, the current power is increased to the target power, which improves the exhaust effect and avoids excessive noise.

[0042] The range hood control method provided by the present invention is further described below. Figure 2 As shown, Figure 2 This is a schematic diagram of a flow chart of a method for controlling a range hood provided by the present invention. Figure 2 The method may specifically include the following steps:

[0043] S201, detecting the cruise mode of the range hood.

[0044] Specifically, the cruise mode of the range hood can include a multi-gear constant current mode and an automatic cruise mode. The multi-gear constant current mode requires the user to select the gear by himself, and the automatic cruise mode can automatically adjust the fan speed according to the pipeline pressure. The range hood in the automatic cruise mode can be set with a "smart wind" button. When using the range hood, the user can press a button to select the gear according to the actual situation. After selecting once, the user does not need to participate in the subsequent selection. When the current gear is not suitable, the range hood can automatically select the appropriate gear. Therefore, when using the range hood, you can first detect the cruise mode of the range hood.

[0045] S202: When the cruise mode is the automatic circulation mode, trigger the execution of detecting the exhaust pressure generated by the range hood operating at the current power.

[0046] Specifically, when the cruise mode of the range hood is the automatic circulation mode, the user can send a gear selection instruction to the range hood. After receiving the gear selection instruction, the range hood starts the fan. After the fan is started, the motor is driven by a given current to start running. During the operation of the motor, the current speed of the motor is detected, and the current power and current air volume of the range hood are calculated based on the detected speed, and the current exhaust pressure is further calculated.

[0047] S203: Determine the pressure level to which the exhaust pressure belongs.

[0048] S204: When the pressure level exceeds the preset pressure level, determine whether the current noise generated by the range hood when operating at the current power exceeds the preset noise.

[0049] Specifically, the current exhaust pressure of the range hood is matched with the divided pressure level to determine the pressure level to which the exhaust pressure belongs, and then the pressure level of the current exhaust pipe is determined. When the pressure level exceeds the preset pressure level, it indicates that the range hood pipe is very clogged. Even if the output power of the range hood is increased, the exhaust effect cannot be effectively improved. At this time, reducing noise is the primary goal. Determine the current noise generated by the range hood at the current power, compare the current noise with the preset noise, and determine whether the current noise exceeds the preset noise.

[0050] S205: When the current noise exceeds the preset noise, determine the first target power according to the standard required noise, and the standard required noise is less than the current noise.

[0051] Exemplarily, the preset noise can be set to 65 decibels (db), and the standard required noise can be set to 60db, which is the decibel acceptable to people indoors. When the current noise is 80db, which exceeds 65db, the current power can be subsequently reduced to the power corresponding to 60db (the first target power).

[0052] S206: Reduce the current power to the first target power.

[0053] Specifically, the standard required noise is the noise acceptable to the user. When the current noise exceeds the preset noise, the first target power is determined according to the standard required noise, and then the current power is reduced to the first target power.

[0054] In this embodiment, after the current power is reduced to the first target power, if the user does not accept the noise corresponding to the first target power based on the actual situation, the user can interact with the range hood to reduce the power, thereby further improving the user experience. When the user interacts with the range hood, the user can do so by voice, message sending, or keystroke, which is not limited here.

[0055] S207: When the current noise does not exceed the preset noise, maintain the current power operation.

[0056] Specifically, when the current noise does not exceed the preset noise, it indicates that the noise of the range hood when operating at the current power meets the user's needs, and the current power operation can be maintained.

[0057] Exemplarily, the preset noise may be set to 65 decibels (db). If the current noise is 62 db, which is still within a range acceptable to the user, the system will be operated at a power corresponding to 62 db.

[0058] S208: When the pressure level does not exceed the preset pressure level, determine whether the actual smoke exhaust effect of the range hood when operating at the current power meets the preset smoke exhaust effect.

[0059] Specifically, when the pressure level does not exceed the preset pressure level, it indicates that the range hood duct is in a comfortable state or a congested state, but not completely blocked. When the range hood increases its output power, the exhaust effect can be effectively improved. At this time, the exhaust effect of the range hood is the main factor, and noise reduction is secondary. The actual exhaust effect of the range hood when it is running at the current power is obtained to determine whether the actual exhaust effect meets the preset exhaust effect.

[0060] For example, the actual exhaust effect of the range hood when it is running at the current power can be obtained through sensors, such as optical sensors, chemical sensors or electrochemical sensors, etc., which are not limited here. Optical sensors can be used to introduce light sources into the kitchen space through optical fiber cables, and the exhaust effect in the kitchen air can be judged by monitoring changes in light scattering, absorption, etc. Chemical sensors can sense harmful substances in oil smoke through adsorption and reaction, so as to monitor and so on.

[0061] S209: When the actual smoke exhaust effect does not meet the preset smoke exhaust effect, if the exhaust pressure belongs to a mild pressure level, determining a second target power according to the target smoke exhaust effect, and the target smoke exhaust effect is better than the actual smoke exhaust effect.

[0062] Specifically, when the actual smoke exhaust effect does not meet the preset smoke exhaust effect, the exhaust pressure level is further judged. If the exhaust pressure belongs to the mild pressure level, it indicates that the smoke exhaust duct of the range hood is in a comfortable section and it is very easy to exhaust smoke. The constant air volume determination method can be adopted to ensure a certain exhaust volume to ensure the smoke exhaust effect. The second target power can be determined according to the target smoke exhaust effect.

[0063] Exemplarily, the preset pressure level can be set to the third pressure level. When it is not less than the third pressure level, it can be a severe pressure level, and when it is less than the third pressure level, it can be a moderate pressure level or a light pressure level. Specifically, if it is the first pressure level, it can be a light pressure level, and if it is the second pressure level, it can be a moderate pressure level. The division of moderate pressure level or light pressure level can be set by oneself, and there is no limitation here.

[0064] For example, if the current power corresponds to 2nd gear and 10 wind volume, when the actual smoke exhaust effect does not meet the preset smoke exhaust effect and the air pressure belongs to the mild pressure level, that is, the pressure level of the smoke exhaust pipe is in the comfortable section, then it is only necessary to increase the current power to the second target power determined according to the target smoke exhaust effect in S212. Among them, the gear and wind volume corresponding to the second target power can be 4th gear and 14 wind volume, which has the best smoke exhaust effect.

[0065] In this embodiment, when the actual effect meets the preset smoke exhaust effect, the range hood is kept running at the current power.

[0066] S210: When the actual smoke exhaust effect does not meet the preset smoke exhaust effect, if the exhaust pressure belongs to the medium pressure level, determine the ideal smoke exhaust effect corresponding to the current power.

[0067] For example, if the current power corresponds to 3rd gear with 12 air volumes, and the actual smoke exhaust effect of this air volume does not meet the preset smoke exhaust effect, the current gear should be increased to the gear air volume corresponding to the target power built into the range hood, such as 4th gear with 14 air volumes. However, if the exhaust pressure is at a moderate pressure level, indicating that the range hood duct is in a congested state, in the congested state, using the air volume of gear 4 for smoke exhaust will dilute the smoke exhaust effect to a certain extent, that is, weaken the smoke exhaust effect. Therefore, the 3rd gear corresponding to the current power should be increased to 5th gear with 16 air volumes to achieve 4th gear with 14 air volumes in order to obtain the ideal smoke exhaust effect.

[0068] S211. Determine a second target power according to an ideal smoke exhaust effect.

[0069] S212: Increase the current power to the second target power.

[0070] Specifically, if the exhaust pressure belongs to the medium pressure level, it indicates that the range hood duct is in a congested state. In the congested state, using the current power to exhaust smoke will dilute the exhaust effect of the current power to a certain extent. Therefore, the second target power can be determined based on the ideal exhaust effect of the current power, and finally the current power can be increased to the second target power.

[0071] In this embodiment, when the range hood is used next time, the user may select the gear corresponding to the first target power or the second target power as the initial gear.

[0072] It can be understood that in this embodiment, the cruise mode of the range hood is detected. When the cruise mode is the automatic cycle mode, the user triggers the execution of the detection of the exhaust pressure generated by the range hood under the current power, so that the range hood can automatically judge and choose whether to reduce or increase the current power according to the current exhaust pressure, without user operation, which improves the user experience. The pressure level of the range hood pipeline is segmented based on the maximum static pressure value of the range hood, and the pressure level of the exhaust pressure detected when the range hood is running is determined to determine the pressure level of the current exhaust pipe. When the pressure level exceeds the preset pressure level, it is determined that even if the output power of the range hood is increased, the exhaust effect cannot be effectively improved. At this time, the output power of the range hood is no longer forcibly increased to avoid ineffective exhaust. It is determined whether the current noise generated by the range hood when it is running at the current power exceeds the preset noise. When the current noise exceeds the preset noise, the current power is reduced to the first target power. The noise generated by the first target power is the standard required power. This method avoids ineffective exhaust of the range hood when the exhaust pipe is blocked and reduces the noise. When the pressure level does not exceed the preset pressure level, it is determined that the output power of the range hood is increased, and the exhaust effect can be effectively improved. Determine whether the actual exhaust effect of the range hood when it is running at the current power meets the preset exhaust effect. When the actual exhaust effect does not meet the preset exhaust effect, further determine whether the exhaust pressure belongs to the light pressure level or the medium pressure level. When it is the light pressure level, increase the current power to the second target power, so that the exhaust effect is better after the range hood power is increased. At the medium pressure level, because the range hood pipe is in a congested state, the exhaust effect corresponding to the current power will be diluted to a certain extent. Therefore, the second target power is determined according to the ideal exhaust effect of the current power, so that the exhaust effect of the range hood is improved.

[0073] Figure 3 Schematic diagram of a smoke machine control device provided by the present invention. Figure 3 As shown, the device may specifically include:

[0074] The detection module 301 is used to detect the exhaust pressure generated by the range hood when it is running at the current power;

[0075] A determination module 302 is used to determine the pressure level to which the exhaust pressure belongs;

[0076] A reducing module 303, configured to reduce the current power to a first target power when the pressure level exceeds a preset pressure level;

[0077] The increasing module 304 is further configured to increase the current power to a second target power when the pressure level does not exceed the preset pressure level.

[0078] In one embodiment, the reducing module 303 is specifically configured to:

[0079] Determining whether the current noise generated by the range hood when operating at the current power exceeds the preset noise;

[0080] When the current noise exceeds the preset noise, the current power is reduced to the first target power.

[0081] The range hood control device of the present invention further comprises an operation module, which, after determining whether the current noise generated by the range hood when operating at the current power exceeds the preset noise, is used to maintain the current power operation when the current noise does not exceed the preset noise.

[0082] In one embodiment, the determination module 302, before reducing the current power to the first target power, is specifically configured to:

[0083] The first target power is determined according to a standard required noise, where the standard required noise is smaller than the current noise.

[0084] In one embodiment, the raising module 304 is specifically used for:

[0085] Determine whether the actual smoke exhaust effect of the range hood when operating at the current power meets the preset smoke exhaust effect;

[0086] When the actual smoke exhaust effect does not meet the preset smoke exhaust effect, the current power is increased to a second target power.

[0087] In one embodiment, the operation module, after determining whether the actual smoke exhaust effect of the range hood when operating at the current power meets the preset smoke exhaust effect, is specifically used to:

[0088] When the actual smoke exhaust effect meets the preset smoke exhaust effect, the current power operation is maintained.

[0089] In one embodiment, the determination module 302 is specifically configured to:

[0090] If the exhaust pressure belongs to a mild pressure level, the second target power is determined according to a target exhaust effect, and the target exhaust effect is better than the actual exhaust effect;

[0091] If the exhaust pressure belongs to the medium pressure level, determining the ideal smoke exhaust effect corresponding to the current power;

[0092] The second target power is determined according to the ideal smoke exhaust effect.

[0093] In one embodiment, the raising module 304 is specifically used for:

[0094] The current power is increased to the second target power.

[0095] In the device of the present invention, the exhaust pressure generated by the range hood running at the current power can be detected; the pressure level to which the exhaust pressure belongs can be determined; when the pressure level exceeds the preset pressure level, the current power is reduced to the first target power; when the pressure level does not exceed the preset pressure level, the current power is increased to the second target power. In the present invention, the pressure level to which the exhaust pressure generated by the range hood running at the current power belongs is detected to thereby determine the pressure level of the current exhaust pipe. When the pressure level of the current exhaust pipe indicates that the exhaust pipe is blocked, the current power is reduced to the target power, which not only avoids the range hood from doing useless work, but also reduces noise. When the pressure level of the current exhaust pipe indicates that the exhaust pipe is comfortable or congested, the current power is increased to the target power, which improves the exhaust effect and avoids excessive noise.

[0096] The present invention also provides a household appliance, including a memory, a processor, and a computer program stored in the memory and executable on the processor, wherein when the processor executes the program, the range hood control method provided in any of the above embodiments is implemented.

[0097] The present invention further provides a computer-readable medium on which a computer program is stored. When the program is executed by a processor, the range hood control method provided in any of the above embodiments is implemented.

[0098] Reference below Figure 4 , which shows a schematic diagram of the structure of a computer system 400 suitable for implementing the household appliance of the present invention. Figure 4 The household electrical appliance shown is only an example and should not bring any limitation to the function and scope of use of the present invention.

[0099] like Figure 4 As shown, the computer system 400 includes a central processing unit (CPU) 402, which can perform various appropriate actions and processes according to a program stored in a read-only memory (ROM) 402 or a program loaded from a storage part 408 into a random access memory (RAM) 403. In the RAM 403, various programs and data required for the operation of the computer system 500 are also stored. The CPU 401, the ROM 402, and the RAM 403 are connected to each other via a bus 404. An input / output (I / O) interface 405 is also connected to the bus 404.

[0100] The following components are connected to the I / O interface 405: an input section 406 including a keyboard, a mouse, etc.; an output section 407 including a cathode ray tube (CRT), a liquid crystal display (LCD), etc., and a speaker, etc.; a storage section 408 including a hard disk, etc.; and a communication section 409 including a network interface card such as a LAN card, a modem, etc. The communication section 409 performs communication processing via a network such as the Internet. A drive 410 is also connected to the I / O interface 405 as needed. A removable medium 411, such as a magnetic disk, an optical disk, a magneto-optical disk, a semiconductor memory, etc., is installed on the drive 410 as needed, so that a computer program read therefrom is installed into the storage section 408 as needed.

[0101] In particular, according to the embodiments disclosed in the present invention, the process described above with reference to the flowchart can be implemented as a computer software program. For example, the embodiments disclosed in the present invention include a computer program product, which includes a computer program carried on a computer-readable medium, and the computer program includes a program code for executing the method shown in the flowchart. In such an embodiment, the computer program can be downloaded and installed from the network through the communication part 409, and / or installed from the removable medium 411. When the computer program is executed by the central processing unit (CPU) 401, the above-mentioned functions defined in the system of the present invention are executed.

[0102] It should be noted that the computer-readable medium shown in the present invention may be a computer-readable signal medium or a computer-readable storage medium or any combination of the above two. The computer-readable storage medium may be, for example, but not limited to, an electrical, magnetic, optical, electromagnetic, infrared, or semiconductor system, device or device, or any combination of the above. More specific examples of computer-readable storage media may include, but are not limited to: an electrical connection with one or more wires, 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 above. In the present invention, a computer-readable storage medium may be any tangible medium containing or storing a program that can be used by or in combination with an instruction execution system, device or device. In the present invention, a computer-readable signal medium may include a data signal propagated in a baseband or as part of a carrier wave, which carries a computer-readable program code. This propagated data signal may take a variety of forms, including but not limited to electromagnetic signals, optical signals, or any suitable combination of the above. Computer-readable signal media may also be any computer-readable medium other than computer-readable storage media, which may send, propagate or transmit a program for use by or in conjunction with an instruction execution system, apparatus or device. The program code contained on the computer-readable medium may be transmitted using any appropriate medium, including but not limited to: wireless, wire, optical cable, RF, etc., or any suitable combination of the above.

[0103] The flow chart and block diagram in the accompanying drawings illustrate the possible architecture, function and operation of the system, method and computer program product according to various embodiments of the present invention. In this regard, each box in the flow chart or block diagram can represent a module, a program segment, or a part of a code, and the above-mentioned module, program segment, or a part of a code contains one or more executable instructions for realizing the specified logical function. It should also be noted that in some alternative implementations, the functions marked in the box can also occur in a different order from the order marked in the accompanying drawings. For example, two boxes represented in succession can actually be executed substantially in parallel, and they can sometimes be executed in the opposite order, depending on the functions involved. It should also be noted that each box in the block diagram or flow chart, and the combination of the boxes in the block diagram or flow chart can be implemented with a dedicated hardware-based system that performs a specified function or operation, or can be implemented with a combination of dedicated hardware and computer instructions.

[0104] The modules and / or units involved in the description of the present invention may be implemented by software or hardware. The modules and / or units described may also be arranged in a processor, for example, it may be described as follows: a processor includes a detection module, a determination module, and a reduction module. The names of these modules do not, in some cases, constitute limitations on the modules themselves.

[0105] As another aspect, the present invention further provides a computer-readable medium, which may be included in the device described in the above embodiment; or may exist independently without being assembled into the device. The above computer-readable medium carries one or more programs, and when the above one or more programs are executed by a device, the device includes:

[0106] Detecting the exhaust pressure generated by the range hood operating at the current power;

[0107] Determining the pressure level to which the exhaust pressure belongs;

[0108] When the pressure level exceeds a preset pressure level, reducing the current power to a first target power;

[0109] When the pressure level does not exceed the preset pressure level, the current power is increased to a second target power.

[0110] The scheme of the present invention detects the exhaust pressure generated by the range hood when it is running at the current power; determines the pressure level to which the exhaust pressure belongs; when the pressure level exceeds the preset pressure level, reduces the current power to the first target power; when the pressure level does not exceed the preset pressure level, increases the current power to the second target power. In the present invention, in the present invention, the pressure level to which the exhaust pressure generated by the range hood when it is running at the current power belongs is detected to thereby determine the pressure level of the current exhaust pipe, and when the pressure level of the current exhaust pipe indicates that the exhaust pipe is blocked, the current power is reduced to the target power, which not only avoids the range hood from doing useless work, but also reduces noise. When the pressure level of the current exhaust pipe indicates that the exhaust pipe is comfortable or congested, the current power is increased to the target power, which improves the exhaust effect and avoids excessive noise.

[0111] 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.

[0112] It should be noted that the collection, collection, updating, analysis, processing, use, transmission, storage and other aspects of user personal information involved in the technical solution of this disclosure are in compliance with the provisions of relevant laws and regulations, are used for legitimate purposes, and do not violate public order and good morals. Necessary measures are taken for user personal information to prevent illegal access to user personal information data and maintain the security of user personal information, network security and national security.

[0113] 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 may occur depending on design requirements and other factors. Any modification, equivalent substitution and improvement made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A range hood control method, characterized in that: The method comprises: Detecting the exhaust pressure generated by the range hood operating at the current power; Determining the pressure level to which the exhaust pressure belongs; When the pressure level exceeds a preset pressure level, reducing the current power to a first target power; When the pressure level does not exceed the preset pressure level, the current power is increased to a second target power.

2. The method according to claim 1, characterized in that: The step of reducing the current power to a first target power includes: Determining whether the current noise generated by the range hood when operating at the current power exceeds the preset noise; When the current noise exceeds the preset noise, the current power is reduced to the first target power.

3. The method according to claim 2, characterized in that After determining whether the current noise generated by the range hood when operating at the current power exceeds the preset noise, the method further includes: When the current noise does not exceed the preset noise, the current power operation is maintained.

4. The method according to claim 2 or 3, characterized in that: Before reducing the current power to the first target power, the method further includes: The first target power is determined according to a standard required noise, where the standard required noise is smaller than the current noise.

5. The method according to claim 1, characterized in that The step of increasing the current power to a second target power comprises: Determine whether the actual smoke exhaust effect of the range hood when operating at the current power meets the preset smoke exhaust effect; When the actual smoke exhaust effect does not meet the preset smoke exhaust effect, the current power is increased to a second target power.

6. The method according to claim 5, characterized in that After determining whether the actual smoke exhaust effect of the range hood when operating at the current power meets the preset smoke exhaust effect, the method further includes: When the actual smoke exhaust effect meets the preset smoke exhaust effect, the current power operation is maintained.

7. The method according to claim 5 or 6, characterized in that: Before the current power is increased to the second target power, the method further includes: If the exhaust pressure belongs to a mild pressure level, the second target power is determined according to a target exhaust effect, and the target exhaust effect is better than the actual exhaust effect; If the exhaust pressure belongs to the medium pressure level, determining the ideal smoke exhaust effect corresponding to the current power; The second target power is determined according to the ideal smoke exhaust effect.

8. The method according to claim 1, characterized in that: The detecting the exhaust pressure generated by the range hood operating at the current power includes: Detecting the cruise mode of the range hood; When the cruise mode is the automatic circulation mode, the detection of the exhaust pressure generated by the range hood operating at the current power is triggered.

9. A range hood control device, characterized in that: The device comprises: A detection module, used to detect the exhaust pressure generated by the range hood operating at the current power; A determination module, used to determine the pressure level to which the exhaust pressure belongs; a reducing module, configured to reduce the current power to a first target power when the pressure level exceeds a preset pressure level; The increasing module is used to increase the current power to a second target power when the pressure level does not exceed the preset pressure level.

10. A household appliance comprising a memory, a processor, and a computer program stored in the memory and executable on the processor, wherein: When the processor executes the program, the range hood control method as claimed in any one of claims 1 to 8 is implemented.

11. A computer-readable storage medium having a computer program stored thereon, characterized in that: When the program is executed by a processor, the range hood control method as claimed in any one of claims 1 to 8 is implemented.

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