Fan speed regulation method and device, electronic equipment and computer readable storage medium

Abstract

The invention provides a fan speed regulation method and device, electronic equipment and a computer readable storage medium, is applied to a range hood controller, and relates to the technical field of household appliances. The method comprises the following steps: firstly, responding to user operation, and obtaining a gear before adjustment and a gear adjustment value; then, determining a noise change range; moreover, the working back pressure of the range hood can be monitored in real time, a noise correction coefficient corresponding to the working back pressure is determined through a preset noise correction coefficient table, and the noise change range is adjusted based on the noise correction coefficient; if the noise change range is large, the noise change range is divided into a plurality of speed regulation intervals; the working state of the draught fan is adjusted based on the rotating speed corresponding to the speed adjusting interval endpoint and the preset speed adjusting time; the noise change range is determined, the noise change range is segmented, and linear speed regulation is performed in the segmented speed regulation interval, so that the noise change in the whole speed regulation process is integrally in a user acceptable range, and the user experience is improved.

Description

Technical Field

[0001] The present invention relates to the technical field of household appliances, and in particular to a fan speed regulation method, device, electronic equipment and computer-readable storage medium. Background Art

[0002] As people's requirements for kitchen cooking environment continue to increase, how to optimize the working state of range hoods is an issue that companies urgently need to solve.

[0003] Existing motor speed regulation often uses constant air volume effect for adjustment, and rarely considers its suitability from the user's perspective. The noise fluctuates during the speed regulation process, affecting the user experience.

[0004] Moreover, due to the different installation and working environments of range hoods, the impact of the range hood working back pressure on the working noise is also different. The existing compensation algorithm is simple and mechanical, and cannot make reasonable adjustments according to specific usage conditions. Although there is a certain compensation effect, the effect is not obvious and the user experience is poor. Summary of the invention

[0005] The object of the present invention is to provide a fan speed regulation method, device, electronic device and computer-readable storage medium, by determining the noise change range corresponding to the change of range hood gear, and dividing the noise change range based on the noise change range acceptable to the user, and performing linear speed regulation within the divided speed regulation range, so that the overall noise change in the entire speed regulation process is within the user's acceptable range, thereby improving the user experience.

[0006] In a first aspect, the present invention provides a fan speed regulation method, which is applied to a range hood controller, comprising:

[0007] Respond to user operations and generate operation instructions;

[0008] If the operation command is a gear switching command, the gear before adjustment and the gear adjustment value are obtained;

[0009] Determine the noise variation range based on the gear position before adjustment and the gear adjustment value through a preset gear position and noise relationship;

[0010] If the noise variation range is greater than the preset noise adjustment value, the noise variation range is divided into a plurality of speed adjustment intervals based on the preset segmentation intervals;

[0011] Get the speed corresponding to the endpoint of the speed regulation interval;

[0012] The working state of the fan is adjusted based on the speed corresponding to the endpoint of the speed regulation interval and the preset speed regulation time.

[0013] In some preferred embodiments of the present invention, the relationship between gear position and noise includes: a power and air volume relationship table and an air volume and noise relationship table;

[0014] The step of determining the noise variation range based on the gear position before adjustment and the gear adjustment value through a preset gear position and noise relationship includes:

[0015] Obtain the power value corresponding to the gear position and the power change value corresponding to the gear position adjustment value;

[0016] Determine the air volume change range based on the power value and the power change value in the power and air volume relationship table;

[0017] Determine the noise value corresponding to the gear position before adjustment and the noise change value corresponding to the gear position adjustment value based on the air volume change range in the air volume and noise relationship table;

[0018] A noise variation range is determined based on the noise value and the noise variation value.

[0019] In some preferred embodiments of the present invention, the gear position and noise relationship table further includes: a noise correction coefficient table; the correction coefficient table represents the relationship between the range hood working back pressure and the noise correction coefficient;

[0020] After the step of determining the noise value corresponding to the gear before adjustment and the noise change value corresponding to the gear adjustment value based on the air volume change range in the air volume and noise relationship table, the method further includes:

[0021] Get the working back pressure of the range hood;

[0022] Find the noise correction factor corresponding to the working back pressure in the noise correction factor table;

[0023] Correcting the noise value and the noise variation value based on the noise correction coefficient;

[0024] A noise variation range is determined based on the corrected noise value and the noise variation value.

[0025] In some preferred embodiments of the present invention, the method further comprises:

[0026] Acquire a second actual noise value when the range hood is in a working state;

[0027] The noise correction coefficient table is updated based on the second actual noise value and the theoretical noise value in the gear-noise relationship table.

[0028] In some preferred embodiments of the present invention, the step of updating the noise correction coefficient table based on the second actual noise value and the noise value in the gear position and noise relationship table includes:

[0029] Calculating a deviation between a second actual noise value and a theoretical noise value;

[0030] If the deviation value is greater than a preset deviation value, the noise correction coefficient table is updated based on the ratio of the second actual noise value to the theoretical noise value.

[0031] In some preferred embodiments of the present invention, the step of adjusting the working state of the fan based on the speed corresponding to the endpoint of the speed adjustment interval and the preset speed adjustment time includes:

[0032] Determine a linear regulation formula based on the speed corresponding to the endpoint of the speed regulation interval and the preset speed regulation time;

[0033] The working state of the fan is adjusted based on the linear regulation formula.

[0034] In some preferred embodiments of the present invention, the method further comprises:

[0035] Acquire a first actual noise value when the range hood is in a working state;

[0036] adjusting a linear adjustment formula based on a first actual noise value;

[0037] The working state of the fan is adjusted based on the adjusted linear regulation formula.

[0038] In a second aspect, the present invention provides a fan speed regulating device, which is applied to a range hood controller, comprising:

[0039] An instruction generation module, used to respond to user operations and generate operation instructions;

[0040] A gear determination module, used for obtaining the gear position before adjustment and the gear adjustment value if the operation instruction is a gear switching instruction;

[0041] A noise variation range determination module, used to determine the noise variation range through a preset relationship between the gear position and the noise based on the gear position before adjustment and the gear position adjustment value;

[0042] A speed adjustment interval determination module, configured to divide the noise variation range into a plurality of speed adjustment intervals based on a preset segmentation interval if the noise variation range is greater than a preset noise adjustment value;

[0043] A speed determination module is used to obtain the speed corresponding to the endpoint of the speed regulation interval;

[0044] The working state adjustment module is used to adjust the working state of the fan based on the speed corresponding to the endpoint of the speed adjustment interval and the preset speed adjustment time.

[0045] In a third aspect, the present invention provides an electronic device including a processor and a memory, wherein the memory stores computer executable instructions that can be executed by the processor, and the processor executes the computer executable instructions to implement the fan speed regulation method of the first aspect.

[0046] In a fourth aspect, the present invention provides a computer-readable storage medium storing computer-executable instructions. When the computer-executable instructions are called and executed by a processor, the computer-executable instructions prompt the processor to implement the fan speed regulation method of the first aspect.

[0047] The present invention brings the following beneficial effects:

[0048] The present invention provides a fan speed regulation method, device, electronic device and computer-readable storage medium, which are applied to a range hood controller, the method comprising: generating an operation instruction in response to a user operation; if the operation instruction is a gear switching instruction, obtaining the gear before adjustment and the gear adjustment value; determining the noise variation range based on the gear before adjustment and the gear adjustment value through a preset gear-noise relationship; if the noise variation range is greater than the preset noise adjustment value, dividing the noise variation range into a plurality of speed regulation intervals based on a preset segmentation interval; obtaining the rotation speed corresponding to the endpoint of the speed regulation interval; regulating the working state of the fan based on the rotation speed corresponding to the endpoint of the speed regulation interval and a preset speed regulation time; determining the noise variation range corresponding to the range hood gear change, dividing the noise variation range based on the noise variation interval acceptable to the user, and performing linear speed regulation within the divided speed regulation interval, so that the overall noise variation in the entire speed regulation process is within the acceptable range for the user, thereby improving the user experience. BRIEF DESCRIPTION OF THE DRAWINGS

[0049] In order to more clearly illustrate the specific implementation methods of the present invention or the technical solutions in the prior art, the drawings required for use in the specific implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some implementation methods of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0050] Figure 1 A flow chart of a fan speed regulation method provided by the present invention;

[0051] Figure 2 A diagram of the relationship between air volume and noise provided by an embodiment of the present invention;

[0052] Figure 3 A flow chart of another fan speed regulation method provided by the present invention;

[0053] Figure 4 A schematic structural diagram of a fan speed regulating device provided by an embodiment of the present invention;

[0054] Figure 5 A schematic diagram of the structure of an electronic device provided by an embodiment of the present invention.

[0055] Icons: 310 - instruction generation module; 320 - gear determination module; 330 - noise change range determination module; 340 - speed regulation interval determination module; 350 - speed determination module; 360 - working state adjustment module; 400 - memory; 401 - processor; 402 - bus; 403 - communication interface. DETAILED DESCRIPTION

[0056] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions 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 part of the embodiments of the present invention, not all of the embodiments. Generally, the components of the embodiments of the present invention described and shown in the drawings here can be arranged and designed in various different configurations.

[0057] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the invention claimed for protection, but merely represents selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0058] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, further definition and explanation thereof is not required in subsequent drawings.

[0059] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inside", "outside", etc. indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, or the positions or positional relationships in which the product of the invention is usually placed when in use. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific position, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", "third", etc. are only used to distinguish the description, and cannot be understood as indicating or implying relative importance.

[0060] In addition, the terms "horizontal", "vertical", "overhanging" and the like do not mean that the components are required to be absolutely horizontal or overhanging, but can be slightly tilted. For example, "horizontal" only means that its direction is more horizontal than "vertical", and does not mean that the structure must be completely horizontal, but can be slightly tilted.

[0061] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0062] Some embodiments of the present invention are described in detail below in conjunction with the accompanying drawings. In the absence of conflict, the following embodiments and features in the embodiments can be combined with each other.

[0063] Embodiment 1

[0064] The embodiment of the present invention provides a fan speed regulation method, which is applied to a range hood controller. Figure 1 The flowchart of a fan speed regulation method provided by the present invention is shown, and the method comprises:

[0065] Step S102, start.

[0066] Specifically, the range hood controller controls the fan of the range hood to run stably at the current speed and waits for an operation signal.

[0067] Step S104, generating an operation instruction in response to the user operation.

[0068] Specifically, the controller receives operation signals from the user, which may be buttons, gestures, voice control, etc., or may even be control signals linked to other electrical devices, such as: adjusting the fire power of a gas stove linked to a range hood; and generates operation instructions based on the user's operation, which may be to adjust the gear position of the range hood, or may be other instructions, such as: turning the machine on and off, turning on and off lighting, starting voice control, etc.

[0069] Specifically, when the user operates the range hood control panel (for example, pressing different buttons to change the wind speed), the controller detects these operations and generates corresponding operation instructions. These instructions may be to increase the wind speed, reduce the wind speed, or switch to a specific working mode.

[0070] Step S106: If the operation instruction is a gear switching instruction, the gear before adjustment and the gear adjustment value are obtained.

[0071] Specifically, if it is determined that the operation instruction is about changing the wind speed gear (such as switching from low gear to medium gear), the controller needs to know the current wind speed gear and the new gear to be adjusted, which involves reading the current working state and calculating the amplitude that needs to be adjusted.

[0072] Step S108, determining the noise variation range based on the gear position before adjustment and the gear position adjustment value through a preset relationship between the gear position and the noise.

[0073] Specifically, each wind speed level has a corresponding noise level. The controller uses a pre-set mapping relationship between the level and the noise to determine the expected noise variation range at a new wind speed level. The above level and noise relationship is usually determined in the laboratory, and can also be locally optimized and OTA (Over-the-Air Technology) upgraded during use.

[0074] Furthermore, in some preferred embodiments of the present invention, the relationship between gear and noise includes: a power and air volume relationship table and an air volume and noise relationship table; the step of determining the noise change range based on the gear before adjustment and the gear adjustment value through a preset gear and noise relationship includes: obtaining the power value corresponding to the gear and the power change value corresponding to the gear adjustment value; determining the air volume change range based on the power value and the power change value in the power and air volume relationship table; determining the noise value corresponding to the gear before adjustment and the noise change value corresponding to the gear adjustment value based on the air volume change range in the air volume and noise relationship table; determining the noise change range based on the noise value and the noise change value.

[0075] For details, see Figure 2 The embodiment of the present invention shown in the figure provides a relationship diagram between air volume and noise. The diagram is generated based on the measured data of the prototype. Q represents the air volume, N represents the noise, and the noise value is obtained when Q is known. In addition, the speed of the range hood is adjusted by the speed S, and the speed S is adjusted by the power W; therefore, if the air volume Q is adjusted, the input power can be adjusted to adjust the speed, thereby achieving adjustment. At the same time, it is worth noting that the Q, N curve is obtained by fitting, representing the trend of air volume and noise changes.

[0076] First, the current wind speed level of the range hood and its corresponding power value are obtained through the sensors and memory inside the controller. According to the user's instructions (for example, switching from low gear to medium gear), the wind speed level to be adjusted and the corresponding power change value are determined, and the power value and air volume value corresponding to the new level are further found based on the power and air volume comparison table. Using the air volume and noise relationship table, the noise change range is determined according to the new air volume value. There is usually a certain correlation between air volume and noise, that is, the greater the air volume, the higher the noise.

[0077] Step S110: if the noise variation range is greater than the preset noise adjustment value, the noise variation range is divided into a plurality of speed adjustment intervals based on preset segmentation intervals.

[0078] Specifically, the preset noise adjustment value can be set by the user; it can also be adjusted according to the sensitivity of the crowd. Usually, the noise sensitivity of the user is obtained through a preliminary questionnaire survey, and the crowd is divided into three levels according to age, namely young, middle-aged, and elderly. The noise sensitivity increases in sequence, and the setting range also changes in sequence. For example, the elderly are more sensitive to changes above 2dB, but middle-aged and young people may be more sensitive to changes above 3dB. Therefore, the noise adjustment value is set according to different people. Furthermore, gender can be distinguished. For example, men are less sensitive to noise than women, which can also be used as a standard for setting the noise adjustment value.

[0079] In some preferred embodiments of the present invention, the noise adjustment value can be adjusted each time the range hood is used by face recognition technology, voice recognition technology, etc. It can also be adjusted by machine learning, for example, after the same person uses the range hood for more than a preset number of consecutive times, the person's physical features can be identified by identity recognition technology, and the noise adjustment room can be further set.

[0080] If the noise variation range is less than or equal to the noise adjustment value, the speed before the gear adjustment and the speed after the gear adjustment can be directly obtained, and the fan speed can be linearly adjusted according to the preset adjustment time.

[0081] If the noise variation range is greater than the noise adjustment value, the noise variation range is divided into a plurality of speed adjustment intervals according to a preset division interval; and the division interval is smaller than the noise adjustment value.

[0082] For example, if the air volume needs to be increased from the weak gear 12 to 16, the noise can be estimated from 58dB to 65dB, so with 1dB as the segment interval, 7 speed adjustment intervals are formed.

[0083] Step S112, obtaining the rotation speed corresponding to the endpoint of the speed regulation interval.

[0084] Specifically, the speed corresponding to the endpoint of the divided speed regulation interval is searched in a preset speed and noise relationship table.

[0085] Step S114, adjusting the working state of the fan based on the speed corresponding to the endpoint of the speed adjustment interval and the preset speed adjustment time.

[0086] Specifically, the preset speed adjustment time is set relative to the segmented interval, that is, the time required to adjust the unit interval. For example, in the embodiment of the present invention, 1 dB is adjusted every 4 seconds, that is, the speed corresponding to 58 dB is adjusted to the speed corresponding to 59 dB in 4 seconds. There are 7 speed adjustment intervals from 58 dB to 65 dB, and the total time is 28 seconds. The speed adjustment can be performed by dividing the speed difference corresponding to the endpoints by the speed adjustment time to perform uniform speed or uniform acceleration speed adjustment.

[0087] Step S116, end.

[0088] Specifically, the range hood controller controls the fan to complete speed regulation, so that the fan runs stably at the regulated speed.

[0089] The present invention provides a fan speed regulation method, which is applied to a range hood controller, the method comprising: responding to a user operation and generating an operation instruction; if the operation instruction is a gear switching instruction, obtaining the gear before adjustment and the gear adjustment value; determining the noise variation range based on the gear before adjustment and the gear adjustment value through a preset gear and noise relationship; if the noise variation range is greater than the preset noise adjustment value, dividing the noise variation range into a plurality of speed regulation intervals based on a preset segmentation interval; obtaining the rotation speed corresponding to the endpoint of the speed regulation interval; regulating the working state of the fan based on the rotation speed corresponding to the endpoint of the speed regulation interval and a preset speed regulation time; determining the noise variation range corresponding to the range hood gear change, dividing the noise variation range based on the noise variation interval acceptable to the user, and performing linear speed regulation within the divided speed regulation interval, so that the overall noise variation in the entire speed regulation process is within the acceptable range for the user, thereby improving the user experience.

[0090] Embodiment 2

[0091] Based on the above embodiment, the embodiment of the present invention provides another fan speed regulation method, focusing on the correction of noise in actual use. The gear position and noise relationship table also includes: a noise correction coefficient table; the correction coefficient table represents the relationship between the range hood working back pressure and the noise correction coefficient; see Figure 3 The flowchart of another fan speed regulation method provided by an embodiment of the present invention is shown, and the method includes:

[0092] Step S202, start. The range hood controller controls the fan of the range hood to run stably at the current speed and waits for an operation signal.

[0093] Step S204, responding to the user operation and generating an operation instruction.

[0094] Step S206: If the operation instruction is a gear switching instruction, the gear before adjustment and the gear adjustment value are obtained.

[0095] Step S208: determining the noise variation range based on the gear position before adjustment and the gear adjustment value through a preset relationship between the gear position and the noise.

[0096] Step S210, obtaining the working back pressure of the range hood; searching the noise correction coefficient corresponding to the working back pressure in the noise correction coefficient table; correcting the noise value and the noise change value based on the noise correction coefficient; and determining the noise change range based on the corrected noise value and the noise change value.

[0097] Specifically, under basic conditions, the corresponding curve relationship between the initial operating back pressure resistance and the noise is generated under strong gear operation. The test method is to change the back pressure value to form P under back pressure under the working noise test environment. W Corresponding noise N W , it is worth noting that N W The ratio to N is the data that needs to be corrected. The correction coefficient β is set, so that the coefficient value β that changes with Pw can be obtained. During adjustment, the resistance of the public flue can be monitored, and the original curve can be multiplied by the coefficient to obtain the corresponding correction value.

[0098] It should be emphasized that when the range hood is operated at a low gear or a stir-fry gear, the corresponding curve relationship between the initial operating working back pressure resistance and the noise can also be generated by the same method as above.

[0099] Step S212: if the noise variation range is greater than the preset noise adjustment value, the noise variation range is divided into a plurality of speed adjustment intervals based on the preset division intervals.

[0100] Step S214, obtaining the rotation speed corresponding to the endpoint of the speed regulation interval.

[0101] Step S216, determining a linear adjustment formula based on the rotation speed corresponding to the endpoint of the speed adjustment interval and the preset speed adjustment time.

[0102] Step S218, obtaining a first actual noise value when the range hood is in a working state.

[0103] Step S220: adjusting the linear adjustment formula based on the first actual noise value.

[0104] Step S222: adjusting the working state of the fan based on the adjusted linear regulation formula.

[0105] Step S224, end. The range hood controller controls the fan to complete the speed regulation, and the fan runs stably at the speed after the speed regulation.

[0106] In some preferred embodiments of the present invention, after step S216, steps S226 to S230 are executed, and after step S230, step S210 is executed.

[0107] Step S226, obtaining a second actual noise value when the range hood is in the working state.

[0108] Step S228, calculating a deviation between the second actual noise value and the theoretical noise value.

[0109] Step S230: if the deviation value is greater than a preset deviation value, the noise correction coefficient table is updated based on the ratio of the second actual noise value to the theoretical noise value.

[0110] Specifically, the first actual noise value and the second actual noise value can be the same value. For cost-saving purposes, a noise detection device can be installed on the range hood and regular maintenance can be performed. During the maintenance process, the second actual noise value is collected and the theoretical deviation value is calculated. If the deviation is greater than a preset deviation value (for example, more than 5%), the ratio of the second actual noise value to the theoretical noise value is calculated, and the ratio is used as a new noise correction coefficient to update the noise correction coefficient table.

[0111] In some preferred embodiments of the present invention, a noise detection device can be installed in the range hood to perform real-time noise monitoring. If the deviation between the monitored first actual noise value and the theoretical value is within a certain range (e.g., within 5%), no correction is performed, and the speed can continue to be linearly adjusted according to the theoretical value. If it exceeds the preset value, such as the deviation exceeds 5%, the speed corresponding to the first actual noise value actually measured is linearly adjusted, and the number of corrections is recorded while correcting. If a certain theoretical noise value corresponds to the first actual noise value and needs to be corrected for multiple consecutive times, the noise correction coefficient table can be adjusted according to the multiple first actual noise values. Also for cost-saving considerations, the noise detection device can be turned on at regular intervals for regular corrections.

[0112] Embodiment 3

[0113] Based on the above embodiments, the present invention provides a fan speed regulating device, which is applied to a range hood controller. Figure 4 The structural schematic diagram of a fan speed regulating device provided by an embodiment of the present invention is shown, and the device includes:

[0114] The instruction generation module 310 is used to generate an operation instruction in response to a user operation;

[0115] The gear determination module 320 is used to obtain the gear before adjustment and the gear adjustment value if the operation instruction is a gear switching instruction;

[0116] A noise variation range determination module 330, for determining the noise variation range based on the gear position before adjustment and the gear adjustment value through a preset gear position and noise relationship;

[0117] A speed adjustment interval determination module 340, configured to divide the noise variation range into a plurality of speed adjustment intervals based on a preset segmentation interval if the noise variation range is greater than a preset noise adjustment value;

[0118] The speed determination module 350 is used to obtain the speed corresponding to the endpoint of the speed regulation interval;

[0119] The working state adjustment module 360 ​​is used to adjust the working state of the fan based on the speed corresponding to the endpoint of the speed adjustment interval and the preset speed adjustment time.

[0120] Furthermore, in some preferred embodiments of the present invention, the relationship between the gear and the noise includes: a power and air volume relationship table and an air volume and noise relationship table; a noise change range determination module 330, which is used to obtain the power value corresponding to the gear and the power change value corresponding to the gear adjustment value; determine the air volume change range based on the power value and the power change value in the power and air volume relationship table; determine the noise value corresponding to the gear before adjustment and the noise change value corresponding to the gear adjustment value based on the air volume change range in the air volume and noise relationship table; determine the noise change range based on the noise value and the noise change value.

[0121] Furthermore, in some preferred embodiments of the present invention, the gear position and noise relationship table also includes: a noise correction coefficient table; the correction coefficient table characterizes the relationship between the working back pressure of the range hood and the noise correction coefficient; the device also includes: a noise correction module, used to obtain the working back pressure of the range hood; search the noise correction coefficient corresponding to the working back pressure in the noise correction coefficient table; correct the noise value and the noise change value based on the noise correction coefficient; determine the noise change range based on the corrected noise value and the noise change value.

[0122] Furthermore, in some preferred embodiments of the present invention, the device also includes: a correction coefficient adjustment module, used to obtain a second actual noise value when the range hood is in a working state; and update the noise correction coefficient table based on the second actual noise value and the theoretical noise value in the gear and noise relationship table.

[0123] Furthermore, in some preferred embodiments of the present invention, the correction coefficient adjustment module is used to calculate the deviation value between the second actual noise value and the theoretical noise value; if the deviation value is greater than a preset deviation value, the noise correction coefficient table is updated based on the ratio of the second actual noise value to the theoretical noise value.

[0124] Furthermore, in some preferred embodiments of the present invention, the working state adjustment module 360 ​​is used to determine a linear adjustment formula based on the rotational speed corresponding to the endpoint of the speed adjustment interval and a preset speed adjustment time; and adjust the working state of the fan based on the linear adjustment formula.

[0125] Furthermore, in some preferred embodiments of the present invention, the device also includes: a noise adjustment module, used to obtain a first actual noise value under the working state of the range hood; adjust the linear adjustment formula based on the first actual noise value; and adjust the working state of the fan based on the adjusted linear adjustment formula.

[0126] Those skilled in the art can clearly understand that, for the convenience and brevity of description, the specific working process of the fan speed regulation device described above can refer to the corresponding process in the aforementioned embodiment of the fan speed regulation method, and will not be repeated here.

[0127] Embodiment 4

[0128] The embodiment of the present invention also provides an electronic device for running a fan speed regulation method; see Figure 5 The structural schematic diagram of an electronic device provided by an embodiment of the present invention is shown, and the electronic device includes a memory 400 and a processor 401, wherein the memory 400 is used to store one or more computer instructions, and the one or more computer instructions are executed by the processor 401 to implement the above-mentioned fan speed regulation method.

[0129] Further, Figure 5 The electronic device shown further includes a bus 402 and a communication interface 403 , and the processor 401 , the communication interface 403 and the memory 400 are connected via the bus 402 .

[0130] The memory 400 may include a high-speed random access memory (RAM), and may also include a non-volatile memory, such as at least one disk storage. The communication connection between the system network element and at least one other network element is realized through at least one communication interface 403 (which may be wired or wireless), and the Internet, wide area network, local area network, metropolitan area network, etc. may be used. The bus 402 may be an ISA bus, a PCI bus, or an EISA bus, etc. The bus can be divided into an address bus, a data bus, a control bus, etc. For ease of representation, Figure 5 Only one bidirectional arrow is used in the diagram, but this does not mean that there is only one bus or only one type of bus.

[0131] The processor 401 may be an integrated circuit chip with signal processing capabilities. In the implementation process, each step of the above method can be completed by the hardware integrated logic circuit or software instructions in the processor 401. The above processor 401 can be a general-purpose processor, including a central processing unit (CPU), a network processor (NP), etc.; it can also be a digital signal processor (DSP), an application-specific integrated circuit (ASIC), a field-programmable gate array (FPGA) or other programmable logic devices, discrete gates or transistor logic devices, discrete hardware components. The methods, steps and logic block diagrams disclosed in the embodiments of the present invention can be implemented or executed. The general processor can be a microprocessor or the processor can also be any conventional processor, etc. The steps of the method disclosed in the embodiment of the present invention can be directly embodied as a hardware decoding processor for execution, or a combination of hardware and software modules in the decoding processor for execution. The software module may be located in a storage medium mature in the art, such as a random access memory, a flash memory, a read-only memory, a programmable read-only memory, or an electrically erasable programmable memory, a register, etc. The storage medium is located in the memory 400, and the processor 401 reads the information in the memory 400 and completes the steps of the method of the above embodiment in combination with its hardware.

[0132] An embodiment of the present invention further provides a computer-readable storage medium, which stores computer-executable instructions. When the computer-executable instructions are called and executed by a processor, the computer-executable instructions prompt the processor to implement the above-mentioned business recommendation method. The specific implementation can be found in the method embodiment, which will not be repeated here.

[0133] The computer program product of the fan speed regulation method, device and electronic device provided in the embodiments of the present invention includes a computer-readable storage medium storing program code. The instructions included in the program code can be used to execute the method in the previous method embodiment. The specific implementation can be found in the method embodiment, which will not be repeated here.

[0134] Those skilled in the art can clearly understand that, for the convenience and brevity of description, the specific working process of the system and / or device described above can refer to the corresponding process in the aforementioned method embodiment, and will not be repeated here.

[0135] In addition, in the description of the embodiments of the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0136] If the functions are implemented in the form of software functional units and sold or used as independent products, they can be stored in a computer-readable storage medium. Based on this understanding, the technical solution of the present invention, or the part that contributes to the prior art or the part of the technical solution, can be embodied in the form of a software product. The computer software product is stored in a storage medium, including several instructions for a computer device (which can be a personal computer, a server, or a network device, etc.) to perform all or part of the steps of the methods described in each embodiment of the present invention. The aforementioned storage medium includes: U disk, mobile hard disk, read-only memory (ROM, Read-Only Memory), random access memory (RAM, Random Access Memory), disk or optical disk, etc., which can store program codes.

[0137] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or replace some or all of the technical features therein with equivalents. However, these modifications or replacements do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of the present invention.

Claims

1. A fan speed regulation method, characterized in that: Applied to range hood controllers, including: Respond to user operations and generate operation instructions; If the operation instruction is a gear switching instruction, obtaining the gear before adjustment and the gear adjustment value; Determining a noise variation range based on the gear position before adjustment and the gear position adjustment value through a preset gear position and noise relationship; If the noise variation range is greater than a preset noise adjustment value, dividing the noise variation range into a plurality of speed adjustment intervals based on preset segmentation intervals; Obtaining the speed corresponding to the endpoint of the speed regulation interval; The working state of the fan is adjusted based on the rotation speed corresponding to the endpoint of the speed regulation interval and the preset speed regulation time.

2. The fan speed regulation method according to claim 1, characterized in that: The relationship between gear position and noise includes: a power and air volume relationship table and an air volume and noise relationship table; The step of determining the noise variation range based on the gear position before adjustment and the gear position adjustment value through a preset gear position and noise relationship comprises: Obtaining a power value corresponding to the gear position and a power change value corresponding to the gear position adjustment value; Determine the air volume variation range based on the power value and the power variation value in the power and air volume relationship table; Determine, in the air volume and noise relationship table, the noise value corresponding to the gear position before adjustment and the noise change value corresponding to the gear position adjustment value based on the air volume change range; The noise variation range is determined based on the noise value and the noise variation value.

3. The fan speed regulation method according to claim 2, characterized in that: The gear position and noise relationship table also includes: a noise correction coefficient table; the correction coefficient table represents the relationship between the range hood working back pressure and the noise correction coefficient; After the step of determining the noise value corresponding to the gear before adjustment and the noise change value corresponding to the gear adjustment value based on the air volume change range in the air volume and noise relationship table, the method further includes: Obtaining the working back pressure of the range hood; Searching the noise correction coefficient corresponding to the working back pressure in the noise correction coefficient table; Correcting the noise value and the noise change value based on the noise correction coefficient; The noise variation range is determined based on the corrected noise value and the noise variation value.

4. The fan speed regulation method according to claim 3, characterized in that: The method further comprises: Acquire a second actual noise value of the range hood in a working state; The noise correction coefficient table is updated based on the second actual noise value and the theoretical noise value in the gear-noise relationship table.

5. The fan speed regulation method according to claim 4, characterized in that: The step of updating the noise correction coefficient table based on the second actual noise value and the noise value in the gear position and noise relationship table comprises: Calculating a deviation between the second actual noise value and the theoretical noise value; If the deviation value is greater than a preset deviation value, the noise correction coefficient table is updated based on the ratio of the second actual noise value to the theoretical noise value.

6. The fan speed regulation method according to claim 1, characterized in that: The step of adjusting the working state of the fan based on the speed corresponding to the endpoint of the speed adjustment interval and the preset speed adjustment time includes: Determining a linear adjustment formula based on the speed corresponding to the endpoint of the speed adjustment interval and a preset speed adjustment time; The working state of the fan is adjusted based on the linear adjustment formula.

7. The fan speed regulation method according to claim 6, characterized in that: The method further comprises: Acquire a first actual noise value of the range hood in a working state; adjusting the linear adjustment formula based on the first actual noise value; The working state of the fan is adjusted based on the adjusted linear regulation formula.

8. A fan speed regulating device, characterized in that: Applied to range hood controllers, including: An instruction generation module (310), used to generate an operation instruction in response to a user operation; A gear determination module (320), configured to obtain the gear before adjustment and the gear adjustment value if the operation instruction is a gear switching instruction; A noise variation range determination module (330), used to determine the noise variation range based on the gear position before adjustment and the gear adjustment value through a preset gear position and noise relationship; A speed adjustment interval determination module (340), configured to divide the noise variation range into a plurality of speed adjustment intervals based on preset segmentation intervals if the noise variation range is greater than a preset noise adjustment value; A rotation speed determination module (350) is used to obtain the rotation speed corresponding to the endpoint of the speed regulation interval; A working state adjustment module (360) is used to adjust the working state of the fan based on the rotation speed corresponding to the endpoint of the speed adjustment interval and a preset speed adjustment time.

9. An electronic device, characterized in that: It comprises a processor (401) and a memory (400), wherein the memory stores computer executable instructions that can be executed by the processor, and the processor executes the computer executable instructions to implement the fan speed regulation method according to any one of claims 1 to 7.

10. A computer-readable storage medium, characterized in that: The computer-readable storage medium stores computer-executable instructions. When the computer-executable instructions are called and executed by the processor, the computer-executable instructions prompt the processor to implement the fan speed regulation method according to any one of claims 1 to 7.

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