CN110726161B - Noise reduction control method and device for range hood, storage medium and range hood - Google Patents
Noise reduction control method and device for range hood, storage medium and range hood Download PDFInfo
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- CN110726161B CN110726161B CN201910947778.6A CN201910947778A CN110726161B CN 110726161 B CN110726161 B CN 110726161B CN 201910947778 A CN201910947778 A CN 201910947778A CN 110726161 B CN110726161 B CN 110726161B
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
- F24C15/00—Details
- F24C15/20—Removing cooking fumes
- F24C15/2021—Arrangement or mounting of control or safety systems
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Abstract
The invention provides a noise reduction control method and device for a range hood, a storage medium and a range hood, wherein the method comprises the following steps: judging whether the initial noise generated by the range hood at the current rotating speed meets the preset noise reduction condition or not; if the initial noise meets the preset noise reduction condition, acquiring the current running gear of the range hood; searching a rotating speed set corresponding to the operating gear, and selecting a target rotating speed from the rotating speed set, wherein the target rotating speed is a rotating speed which enables noise generated by the range hood in the operating gear to not meet the noise reduction condition; and taking the target rotating speed as the customized rotating speed of the range hood at the operating gear, and controlling the range hood to operate according to the target rotating speed. The invention not only can adjust the rotating speed of the motor according to the noise, avoid the resonance point of the cigarette machine and reduce the noise, but also can eliminate the noise difference caused by different installation modes when users use the cigarette machine, thereby achieving the customized effect for each user and improving the user experience.
Description
Technical Field
The invention relates to the technical field of range hoods, in particular to a noise reduction control method and device of a range hood, a storage medium and a range hood.
Background
Chinese cooking can produce a large amount of oil smoke, and in order to keep the kitchen environment clean and the health of human body, the range hood has become one of the indispensable equipment in modern family kitchen. In the operation process of the range hood, the air flow movement generates turbulence and generates noise, which affects the cooking experience and the body health of people.
In order to solve the noise problem of the range hood, the noise reduction method disclosed in the prior patent technology converts noise into an electric signal and transmits the electric signal to the control module, the control module analyzes a noise signal and generates a noise reduction signal with the same amplitude and opposite phase of the noise signal, the speaker assembly broadcasts the noise reduction signal, the noise signal is neutralized, and the noise is reduced. However, the noise reduction method only neutralizes the generated noise, does not reduce the generation of the noise at the noise source position, and even generates new noise, so the noise reduction effect is not ideal, and the user experience is poor.
Disclosure of Invention
The invention aims to overcome the technical problems and provides a noise reduction control method and device for a range hood, a storage medium and a range hood.
In one aspect of the embodiments of the present invention, a noise reduction control method for a range hood is provided, where the method includes:
judging whether the initial noise generated by the range hood at the current rotating speed meets the preset noise reduction condition or not;
if the initial noise meets the preset noise reduction condition, acquiring the current running gear of the range hood;
searching a rotating speed set corresponding to the operating gear, and selecting a target rotating speed from the rotating speed set, wherein the target rotating speed is a rotating speed which enables noise generated by the range hood in the operating gear to not meet the noise reduction condition;
and taking the target rotating speed as the customized rotating speed of the range hood at the operating gear, and controlling the range hood to operate according to the target rotating speed.
Optionally, the determining whether the initial noise generated by the range hood at the current rotation speed meets a preset noise reduction condition includes:
and judging whether the initial noise generated by the range hood at the current rotating speed is continuously higher than a preset noise threshold value or not, and judging that the initial noise meets a preset noise reduction condition when the initial noise is continuously higher than the preset noise threshold value.
Optionally, the searching for the rotation speed set corresponding to the operating gear includes:
and searching a preset rotating speed corresponding relation to obtain a rotating speed set corresponding to the operating gear, wherein the rotating speed corresponding relation comprises the corresponding relation between the gear and the rotating speed set.
Optionally, the selecting a target rotation speed from the rotation speed set includes:
selecting a first rotating speed from the rotating speed set according to a preset rotating speed priority, and controlling the range hood to operate according to the first rotating speed;
judging whether a first noise generated by the range hood at the first rotating speed meets a preset noise reduction condition or not;
if the first noise does not meet the noise reduction condition, taking the first noise as the target rotating speed;
and if the first noise meets the noise reduction condition, selecting the next rotating speed from the rotating speed set according to the rotating speed priority, and executing the noise test operation until the rotating speed which does not meet the noise reduction condition is selected or the cycle number of the noise test operation is greater than a preset test threshold.
Optionally, the method further comprises:
when a rotation speed customizing instruction is received, entering a rotation speed adjusting mode;
and in the rotating speed adjusting mode, when a power-on starting instruction is received, the operation of judging whether the initial noise generated by the range hood at the current rotating speed meets the preset noise reduction condition is executed.
In another aspect of the embodiments of the present invention, there is provided a noise reduction control apparatus for a range hood, the apparatus including:
the judging module is used for judging whether the initial noise generated by the range hood at the current rotating speed meets the preset noise reduction condition;
the acquisition module is used for acquiring the current operating gear of the range hood if the initial noise meets the preset noise reduction condition;
the selection module is used for searching a rotating speed set corresponding to the operating gear and selecting a target rotating speed from the rotating speed set, wherein the target rotating speed is a rotating speed which enables noise generated by the range hood in the operating gear to not meet the noise reduction condition;
and the control module is used for taking the target rotating speed as the customized rotating speed of the range hood at the operating gear and controlling the range hood to operate according to the target rotating speed.
Optionally, the determining module is specifically configured to determine whether an initial noise generated by the range hood at the current rotation speed is continuously higher than a preset noise threshold, and when the initial noise is continuously higher than the preset noise threshold, determine that the initial noise meets a preset noise reduction condition.
Optionally, the selecting module includes:
and the searching unit is used for searching a preset rotating speed corresponding relation so as to obtain a rotating speed set corresponding to the operating gear, and the rotating speed corresponding relation comprises the corresponding relation between the gear and the rotating speed set.
Optionally, the selecting module includes a selecting unit and a determining unit:
the selecting unit is used for selecting a first rotating speed from the rotating speed set according to a preset rotating speed priority;
the control module is used for controlling the range hood to operate according to the first rotating speed;
the judging unit is used for judging whether a first noise generated by the range hood at the first rotating speed meets a preset noise reduction condition;
the control module is further used for taking the first noise as the target rotating speed when the first noise does not meet the noise reduction condition;
and the selecting unit is further configured to select a next rotating speed from the rotating speed set according to the rotating speed priority when the first noise meets the noise reduction condition, so that the control module and the judging unit repeatedly execute the noise test operation until the rotating speed which does not meet the noise reduction condition is selected or the cycle number of the noise test operation is greater than a preset test threshold.
Optionally, the control module is further configured to enter a rotation speed adjustment mode when receiving a rotation speed customization instruction;
the judging module is specifically configured to, in the rotation speed adjustment mode, execute an operation of judging whether an initial noise generated by the range hood at the current rotation speed satisfies a preset noise reduction condition when a power-on start instruction is received.
Furthermore, the invention also provides a computer-readable storage medium, on which a computer program is stored which, when being executed by a processor, carries out the steps of the method as described above.
In addition, the invention also provides a range hood, which comprises a range hood body and a controller, wherein the range hood body is provided with a noise detection device for detecting noise generated by the range hood;
the controller comprises a memory, a processor and a computer program stored on the memory and executable on the processor, the processor implementing the steps of the method as described above when executing the program.
According to the noise reduction control method and device for the range hood, the storage medium and the range hood, the rotating speed of the motor can be adjusted according to noise, resonance points of the range hood are avoided, the noise is reduced, noise differences caused by different installation modes when a user uses the range hood can be eliminated, the customized effect of each user is achieved, and user experience is improved.
The foregoing description is only an overview of the technical solutions of the present invention, and the embodiments of the present invention are described below in order to make the technical means of the present invention more clearly understood and to make the above and other objects, features, and advantages of the present invention more clearly understandable.
Drawings
Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention. Also, like reference numerals are used to refer to like parts throughout the drawings. In the drawings:
fig. 1 is a schematic flow chart of a noise reduction control method of a range hood according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a range hood provided by an embodiment of the present invention;
fig. 3 is a schematic internal flow diagram of step S13 in the noise reduction control method of the range hood according to the embodiment of the present invention;
fig. 4 is a block diagram of a noise reduction control device of a range hood according to an embodiment of the present invention.
Detailed Description
Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.
It will be understood by those skilled in the art that, unless otherwise defined, all terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. It will be further understood that terms, such as those defined in commonly used dictionaries, should be interpreted as having a meaning that is consistent with their meaning in the context of the prior art and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein.
In practical application, range hood is because of the flue mounting means of difference, and the resonance point of its structure all is different when every cigarette machine uses, for example when the motor is according to the rotational speed design, because of not having with structural resonance, the noise is less, nevertheless when the user uses because of different user's home space is different, the cigarette machine flue structure and the length of installation are all different, can appear when the motor rotational speed moves, and with cigarette machine structure production resonance, the noise is very big. To solve the above problem, the embodiment of the present invention provides a method for adjusting the rotation speed of a motor according to a small noise range, so as to reduce the noise source and reduce the noise.
Fig. 1 schematically shows a flowchart of a noise reduction control method of a range hood according to an embodiment of the present invention. Referring to fig. 1, the noise reduction control method for a range hood according to the embodiment of the present invention specifically includes steps S11 to S14, as follows:
and S11, judging whether the initial noise generated by the range hood at the current rotating speed meets the preset noise reduction condition.
In the embodiment of the invention, when a rotation speed customizing instruction is received, a rotation speed adjusting mode is entered, and in the rotation speed adjusting mode, when a power-on starting instruction is received, the operation of judging whether the initial noise generated by the range hood at the current rotation speed meets the preset noise reduction condition is executed.
In practical application, range hood is because of the flue mounting means of difference, the resonance point of its structure is all different when using for every cigarette machine, the user is different because of different user home space when using, the cigarette machine flue structure and the length of installation are all different, can appear when motor speed moves, produce resonance with the cigarette machine structure, therefore, the rotational speed customization key through setting up the rotational speed customization that is used for triggering the lampblack absorber on the lampblack absorber, the user is after installing the lampblack absorber, trigger this key, the cigarette machine gets into rotational speed adjustment mode, the sensor begins to detect the noise, the rotational speed of each gear of the starting control cigarette machine finely tunes, adjust every gear rotational speed in proper order according to this method, make the motor speed avoid the resonance point of different user home cigarette machines, reduce the resonance noise. If the key is not triggered, the motor of the range hood runs at the preset standard rotating speed.
In this embodiment, whether the initial noise that the lampblack absorber produced under current rotational speed satisfies the predetermined condition of making an uproar that falls is judged, specifically includes:
and judging whether the initial noise generated by the range hood at the current rotating speed is continuously higher than a preset noise threshold value or not, and judging that the initial noise meets a preset noise reduction condition when the initial noise is continuously higher than the preset noise threshold value.
Wherein, the noise threshold value can be confirmed according to the operation of the rotating speed of the motor of the range hood and the size of noise generated when the structure of the range hood resonates.
And S12, if the initial noise meets the preset noise reduction condition, acquiring the current running gear of the range hood.
S13, searching a rotating speed set corresponding to the operating gear, and selecting a target rotating speed from the rotating speed set, wherein the target rotating speed is the rotating speed which enables noise generated by the range hood in the operating gear to not meet the noise reduction condition.
In this embodiment, the step S13 of finding the rotation speed set corresponding to the operating gear specifically includes finding a preset rotation speed correspondence relationship to obtain a rotation speed set corresponding to the operating gear, where the rotation speed correspondence relationship includes a correspondence relationship between the gear and the rotation speed set.
In this embodiment, a rotational speed correspondence relationship is established in advance according to a correspondence relationship between each gear and a rotational speed set, the rotational speed set includes a plurality of rotational speeds that are similar to a standard rotational speed corresponding to a current operating gear, and when an initial noise generated by the range hood at the current rotational speed meets a preset noise reduction condition, a rotational speed corresponding to the operating gear is obtained by searching the rotational speed correspondence relationship, and a target rotational speed is selected from the rotational speed set.
And S14, taking the target rotating speed as the customized rotating speed of the range hood at the operating gear, and controlling the range hood to operate according to the target rotating speed.
The noise reduction control method of the range hood provided by the embodiment of the invention not only can adjust the rotating speed of the motor according to noise, avoid the resonance point of the range hood and reduce the noise, but also can eliminate the noise difference caused by different installation modes when a user uses the range hood, thereby achieving the customized effect of each user and improving the user experience.
In an embodiment of the present invention, as shown in fig. 2, the range hood body 20 is provided with a noise detection device 201 for detecting noise generated by the range hood. The range hood body 20 is connected with the air outlet channel 30 in a sealing mode.
Specifically, noise detection device 201 can be sound sensor or acceleration sensor, can install noise detection device 201 at a certain position before the motor air inlet of lampblack absorber body to there is the resonance noise that pneumatic noise influences sensor detection cigarette machine behind the avoiding air inlet. In one specific example, the noise detection device 201 may be mounted on a volute before the intake of air or other machine components before the intake of air.
In this embodiment, the step S13 of selecting the target rotation speed from the rotation speed set specifically includes the following steps not shown in the following drawings:
selecting a first rotating speed from the rotating speed set according to a preset rotating speed priority, and controlling the range hood to operate according to the first rotating speed;
judging whether a first noise generated by the range hood at the first rotating speed meets a preset noise reduction condition or not;
if the first noise does not meet the noise reduction condition, taking the first noise as the target rotating speed;
and if the first noise meets the noise reduction condition, selecting the next rotating speed from the rotating speed set according to the rotating speed priority, and executing the noise test operation until the rotating speed which does not meet the noise reduction condition is selected or the cycle number of the noise test operation is greater than a preset test threshold.
And the number of the preset test thresholds is the same as the number of the concentrated rotating speeds of the rotating speeds.
In one embodiment, in the program for controlling the motor, each gear has a series of sub-programs with similar rotation speeds, each sub-program corresponds to a rotation speed in the rotation speed set, and when a certain rotation speed is selected, the noise test operation of the currently selected rotation speed is realized by executing the corresponding sub-program.
As shown in FIG. 3, first, subroutine A is runi: the program corresponds to a speed Vb close to the speed VaiWherein A is the current operating gear, AiA subroutine corresponding to the ith rotating speed in the rotating speed set corresponding to the current operating gear, Va is the current rotating speed of the range hood, and Vb is the current rotating speed of the range hoodiThe ith rotation speed value is the rotation speed set.
Operating the range hood according to Vbi;
detecting whether the noise generated by the range hood at the moment meets a preset noise reduction condition; if not, determining that the gear A of the range hood is VbiRunning;
if so, i is equal to i +1, and i < equalto n is judged, wherein n is the total number of the subprograms corresponding to each gear;
if i<Operating the a-range subroutine a as ni+1
Otherwise, the circulation frequency of the noise test operation is considered to be larger than a preset test threshold value, and an installer is reminded to change the smoke channel of the smoke machine.
According to the noise reduction control method of the range hood provided by the embodiment of the invention, the noise of the range hood is detected, the rotating speed of the motor is adjusted according to a small noise range, a resonance point with a structure is avoided, the noise caused by resonance is reduced, a generated noise source is reduced, the noise is reduced, and the effect of customizing each user is achieved.
For simplicity of explanation, the method embodiments are described as a series of acts or combinations, but those skilled in the art will appreciate that the embodiments are not limited by the order of acts described, as some steps may occur in other orders or concurrently with other steps in accordance with the embodiments of the invention. Further, those skilled in the art will appreciate that the embodiments described in the specification are presently preferred and that no particular act is required to implement the invention.
Fig. 4 schematically shows a schematic structural diagram of a noise reduction control apparatus of a range hood according to an embodiment of the present invention. Referring to fig. 4, the noise reduction control device of the range hood according to the embodiment of the present invention specifically includes a determining module 101, an obtaining module 102, a selecting module 103, and a control module 104, where:
the judging module 101 is used for judging whether the initial noise generated by the range hood at the current rotating speed meets a preset noise reduction condition;
an obtaining module 102, configured to obtain a current operating gear of the range hood if the initial noise meets a preset noise reduction condition;
the selecting module 103 is configured to search a rotating speed set corresponding to the operating gear, and select a target rotating speed from the rotating speed set, where the target rotating speed is a rotating speed at which noise generated by the range hood during operation at the operating gear does not meet the noise reduction condition;
and the control module 104 is used for taking the target rotating speed as the customized rotating speed of the range hood at the operating gear, and controlling the range hood to operate according to the target rotating speed.
In the embodiment of the present invention, the determining module 101 is specifically configured to determine whether an initial noise generated by the range hood at the current rotation speed is continuously higher than a preset noise threshold, and when the initial noise is continuously higher than the preset noise threshold, determine that the initial noise meets a preset noise reduction condition.
In the embodiment of the present invention, the selecting module 103 specifically includes a searching unit, where:
and the searching unit is used for searching a preset rotating speed corresponding relation so as to obtain a rotating speed set corresponding to the operating gear, and the rotating speed corresponding relation comprises the corresponding relation between the gear and the rotating speed set.
In the embodiment of the present invention, the selecting module 103 further includes a selecting unit and a determining unit, where:
the selecting unit is used for selecting a first rotating speed from the rotating speed set according to a preset rotating speed priority;
the control module 104 is used for controlling the range hood to operate according to the first rotating speed;
the judging unit is used for judging whether a first noise generated by the range hood at the first rotating speed meets a preset noise reduction condition;
the control module 104 is further configured to use the first noise as the target rotation speed when the first noise does not satisfy the noise reduction condition;
the selecting unit is further configured to select a next rotation speed from the rotation speed set according to the rotation speed priority when the first noise meets the noise reduction condition, so that the control module 101 and the determining unit repeatedly execute the noise test operation until the rotation speed which does not meet the noise reduction condition is selected or the cycle number of the noise test operation is greater than a preset test threshold.
In the embodiment of the present invention, the control module 104 is further configured to enter a rotation speed adjustment mode when receiving a rotation speed customization instruction;
the judging module 101 is specifically configured to, in the rotation speed adjustment mode, execute an operation of judging whether an initial noise generated by the range hood at the current rotation speed satisfies a preset noise reduction condition when a power-on start instruction is received.
For the device embodiment, since it is basically similar to the method embodiment, the description is simple, and for the relevant points, refer to the partial description of the method embodiment.
The above-described embodiments of the apparatus are merely illustrative, and the units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of the present embodiment. One of ordinary skill in the art can understand and implement it without inventive effort.
The noise reduction control method and device for the range hood, provided by the embodiment of the invention, not only can adjust the rotating speed of the motor according to noise, avoid the resonance point of the range hood and reduce the noise, but also can eliminate the noise difference caused by different installation modes when a user uses the range hood, so that the customized effect of each user is achieved, and the user experience is improved.
Furthermore, an embodiment of the present invention also provides a computer-readable storage medium, on which a computer program is stored, which when executed by a processor implements the steps of the method as described above.
In this embodiment, if the module/unit integrated with the noise reduction control device of the range hood is implemented in the form of a software functional unit and sold or used as an independent product, the module/unit may be stored in a computer readable storage medium. Based on such understanding, all or part of the flow of the method according to the embodiments of the present invention may also be implemented by a computer program, which may be stored in a computer-readable storage medium, and when the computer program is executed by a processor, the steps of the method embodiments may be implemented. Wherein the computer program comprises computer program code, which may be in the form of source code, object code, an executable file or some intermediate form, etc. The computer-readable medium may include: any entity or device capable of carrying the computer program code, recording medium, usb disk, removable hard disk, magnetic disk, optical disk, computer Memory, Read-Only Memory (ROM), Random Access Memory (RAM), electrical carrier wave signals, telecommunications signals, software distribution medium, and the like. It should be noted that the computer readable medium may contain content that is subject to appropriate increase or decrease as required by legislation and patent practice in jurisdictions, for example, in some jurisdictions, computer readable media does not include electrical carrier signals and telecommunications signals as is required by legislation and patent practice.
In addition, the range hood provided by the embodiment of the invention further provides a range hood, which comprises a range hood body and a controller, wherein the controller comprises a memory, a processor and a computer program which is stored on the memory and can run on the processor, and the processor implements the steps in the noise reduction control method embodiments of the range hood when executing the computer program, such as S11-S14 shown in FIG. 1. Or, the processor implements the functions of each module/unit in the noise reduction control apparatus embodiments of each range hood when executing the computer program, for example, the determining module 101, the obtaining module 102, the selecting module 103, and the control module 104 shown in fig. 4.
In this embodiment, as shown in fig. 2, the range hood body 20 is provided with a noise detection device 201 for detecting noise generated by the range hood. The range hood body 20 is connected with the air outlet channel 30 in a sealing mode.
Illustratively, the computer program may be partitioned into one or more modules/units that are stored in the memory and executed by the processor to implement the invention. The one or more modules/units may be a series of computer program instruction segments capable of performing specific functions, which are used to describe the execution process of the computer program in the noise reduction control apparatus of the range hood. For example, the computer program may be divided into a determination module 101, an acquisition module 102, a selection module 103, and a control module 104.
The range hood may include, but is not limited to, a processor, a memory. Those skilled in the art will appreciate that the range hood in this embodiment may include more or fewer components, or combine some components, or different components, for example, the range hood may further include an input output device, a network access device, a bus, etc.
The Processor may be a Central Processing Unit (CPU), other general purpose Processor, a Digital Signal Processor (DSP), an Application Specific Integrated Circuit (ASIC), an off-the-shelf Programmable Gate Array (FPGA) or other Programmable logic device, discrete Gate or transistor logic device, discrete hardware component, etc. The general processor can be a microprocessor or the processor can also be any conventional processor and the like, the processor is a control center of the range hood, and various interfaces and lines are utilized to connect all parts of the whole range hood.
The memory can be used for storing the computer program and/or the module, and the processor realizes various functions of the range hood by running or executing the computer program and/or the module stored in the memory and calling data stored in the memory. The memory may mainly include a storage program area and a storage data area, wherein the storage program area may store an operating system, an application program required by at least one function (such as a sound playing function, an image playing function, etc.), and the like; the storage data area may store data (such as audio data, a phonebook, etc.) created according to the use of the cellular phone, and the like. In addition, the memory may include high speed random access memory, and may also include non-volatile memory, such as a hard disk, a memory, a plug-in hard disk, a Smart Media Card (SMC), a Secure Digital (SD) Card, a Flash memory Card (Flash Card), at least one magnetic disk storage device, a Flash memory device, or other volatile solid state storage device.
Those skilled in the art will appreciate that while some embodiments herein include some features included in other embodiments, rather than others, combinations of features of different embodiments are meant to be within the scope of the invention and form different embodiments. For example, in the following claims, any of the claimed embodiments may be used in any combination.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (10)
1. A noise reduction control method of a range hood, the method comprising:
judging whether the initial noise generated by the range hood at the current rotating speed meets the preset noise reduction condition or not;
if the initial noise meets the preset noise reduction condition, acquiring the current running gear of the range hood;
searching a rotating speed set corresponding to the operating gear, and selecting a target rotating speed from the rotating speed set, wherein the target rotating speed is a rotating speed which enables noise generated by the range hood in the operating gear to not meet the noise reduction condition;
taking the target rotating speed as a customized rotating speed of the range hood at the operating gear, and controlling the range hood to operate according to the target rotating speed;
wherein said selecting a target rotational speed from said set of rotational speeds comprises:
selecting a first rotating speed from the rotating speed set according to a preset rotating speed priority, and controlling the range hood to operate according to the first rotating speed;
judging whether a first noise generated by the range hood at the first rotating speed meets a preset noise reduction condition or not;
if the first noise does not meet the noise reduction condition, taking the first rotating speed as the target rotating speed;
and if the first noise meets the noise reduction condition, selecting the next rotating speed from the rotating speed set according to the rotating speed priority, and executing the noise test operation until the rotating speed which does not meet the noise reduction condition is selected or the cycle number of the noise test operation is greater than a preset test threshold.
2. The noise reduction control method of the range hood according to claim 1, wherein the determining whether the initial noise generated by the range hood at the current rotation speed meets a preset noise reduction condition comprises:
and judging whether the initial noise generated by the range hood at the current rotating speed is continuously higher than a preset noise threshold value or not, and judging that the initial noise meets a preset noise reduction condition when the initial noise is continuously higher than the preset noise threshold value.
3. The noise reduction control method of the range hood according to claim 1, wherein the searching for the rotating speed set corresponding to the operating gear comprises:
and searching a preset rotating speed corresponding relation to obtain a rotating speed set corresponding to the operating gear, wherein the rotating speed corresponding relation comprises the corresponding relation between the gear and the rotating speed set.
4. The noise reduction control method of a range hood according to any one of claims 1 to 3, further comprising:
when a rotation speed customizing instruction is received, entering a rotation speed adjusting mode;
and in the rotating speed adjusting mode, when a power-on starting instruction is received, the operation of judging whether the initial noise generated by the range hood at the current rotating speed meets the preset noise reduction condition is executed.
5. A noise reduction control device of a range hood, the device comprising:
the judging module is used for judging whether the initial noise generated by the range hood at the current rotating speed meets the preset noise reduction condition;
the acquisition module is used for acquiring the current operating gear of the range hood if the initial noise meets the preset noise reduction condition;
the selection module is used for searching a rotating speed set corresponding to the operating gear and selecting a target rotating speed from the rotating speed set, wherein the target rotating speed is a rotating speed which enables noise generated by the range hood in the operating gear to not meet the noise reduction condition;
the control module is used for taking the target rotating speed as the customized rotating speed of the range hood at the operating gear and controlling the range hood to operate according to the target rotating speed;
the selection module comprises a selection unit and a judgment unit:
the selecting unit is used for selecting a first rotating speed from the rotating speed set according to a preset rotating speed priority;
the control module is used for controlling the range hood to operate according to the first rotating speed;
the judging unit is used for judging whether a first noise generated by the range hood at the first rotating speed meets a preset noise reduction condition;
the control module is further used for taking the first noise as the target rotating speed when the first noise does not meet the noise reduction condition;
and the selecting unit is further configured to select a next rotating speed from the rotating speed set according to the rotating speed priority when the first noise meets the noise reduction condition, so that the control module and the judging unit repeatedly execute the noise test operation until the rotating speed which does not meet the noise reduction condition is selected or the cycle number of the noise test operation is greater than a preset test threshold.
6. The noise reduction control device of the range hood according to claim 5, wherein the judging module is specifically configured to judge whether an initial noise generated by the range hood at the current rotation speed is continuously higher than a preset noise threshold, and when the initial noise is continuously higher than the preset noise threshold, it is determined that the initial noise meets a preset noise reduction condition.
7. The noise reduction control device of the range hood according to claim 5, wherein the selection module comprises:
and the searching unit is used for searching a preset rotating speed corresponding relation so as to obtain a rotating speed set corresponding to the operating gear, and the rotating speed corresponding relation comprises the corresponding relation between the gear and the rotating speed set.
8. The noise reduction control device of the range hood according to any one of claims 5 to 7, wherein the control module is further configured to enter a rotation speed adjustment mode when receiving a rotation speed customization instruction;
the judging module is specifically configured to, in the rotation speed adjustment mode, execute an operation of judging whether an initial noise generated by the range hood at the current rotation speed satisfies a preset noise reduction condition when a power-on start instruction is received.
9. A computer-readable storage medium, on which a computer program is stored which, when being executed by a processor, carries out the steps of the method according to any one of claims 1 to 4.
10. A range hood comprises a range hood body and a controller, and is characterized in that the range hood body is provided with a noise detection device for detecting noise generated by the range hood;
the controller comprises a memory, a processor and a computer program stored on the memory and executable on the processor, the processor implementing the steps of the method according to any of claims 1-4 when executing the program.
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| CN111578337A (en) * | 2020-05-25 | 2020-08-25 | 珠海格力电器股份有限公司 | Noise control method and device for electrical equipment and electrical equipment |
| CN111853896B (en) * | 2020-07-28 | 2022-08-26 | 北京耀邦环保技术开发有限公司 | Oil fume purification system and method |
| CN112361404B (en) * | 2020-10-27 | 2022-05-17 | 宁波方太厨具有限公司 | Noise reduction method and system for range hood and range hood with noise reduction system |
| CN112648665B (en) * | 2021-01-06 | 2022-03-18 | 宁波方太厨具有限公司 | Starting control method of range hood and range hood applying same |
| CN113154489A (en) * | 2021-03-25 | 2021-07-23 | 青岛海尔智慧厨房电器有限公司 | Range hood, control method and device thereof and computer readable storage medium |
| CN113154488A (en) * | 2021-03-25 | 2021-07-23 | 青岛海尔智慧厨房电器有限公司 | Control method and device of range hood |
| CN113162482A (en) * | 2021-04-02 | 2021-07-23 | 广东惠利普智能科技股份有限公司 | Method capable of automatically avoiding resonant frequency of variable frequency electric appliance |
| CN113959173B (en) * | 2021-10-26 | 2023-07-25 | Tcl家用电器（合肥）有限公司 | Control method of refrigeration equipment and refrigeration equipment |
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| CA2286951A1 (en) * | 1999-10-18 | 2001-04-18 | Taiwan Sakura Corporation | An intelligent oil smoke exhausting device |
| CN203099948U (en) * | 2013-01-24 | 2013-07-31 | 海尔集团公司 | Smoke exhaust |
| KR20140105972A (en) * | 2013-02-25 | 2014-09-03 | 코웨이 주식회사 | Range hood |
| CN105240885B (en) * | 2014-07-07 | 2019-03-22 | 博西华电器（江苏）有限公司 | Control device, range hood and its control method of range hood |
| CN104251506B (en) * | 2014-09-25 | 2017-10-20 | 九阳股份有限公司 | The tobacco control method and lampblack absorber of intelligent breathing lampblack absorber |
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