CN112594916A - Noise reduction control method and device for air conditioner and air conditioner - Google Patents
Noise reduction control method and device for air conditioner and air conditioner Download PDFInfo
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/24—Means for preventing or suppressing noise
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
- F24F11/63—Electronic processing
- F24F11/64—Electronic processing using pre-stored data
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
- F24F11/63—Electronic processing
- F24F11/65—Electronic processing for selecting an operating mode
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/24—Means for preventing or suppressing noise
- F24F2013/247—Active noise-suppression
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2130/00—Control inputs relating to environmental factors not covered by group F24F2110/00
- F24F2130/40—Noise
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Abstract
The embodiment of the application relates to a noise reduction control method and device of an air conditioner and the air conditioner, and relates to the technical field of air conditioners, wherein the noise reduction control method of the air conditioner comprises the following steps: acquiring current operating parameters of the air conditioner; inputting the operation parameters into a preset wind noise time sequence model to obtain wind noise parameters; the wind noise parameter is used for indicating the wind noise of the air outlet of the air conditioner under the action of the current operation parameter; inputting the wind noise parameter into a command pulse generation module to obtain a plurality of command pulses under different time sequences, wherein the response oscillation after the command pulses and the wind noise parameter are superposed is zero; outputting the plurality of command pulses through a sounder provided in the air conditioner. The noise reduction control method of the air conditioner can greatly reduce the noise of the air outlet of the indoor unit of the air conditioner, and is not limited by the design of mechanical structures such as pipelines and the like; the control model can be adjusted according to the running state of the air conditioner, and the air conditioner is suitable for more working conditions.
Description
Technical Field
The invention relates to the technical field of air conditioners, in particular to a noise reduction control method and device of an air conditioner and the air conditioner.
Background
The air conditioner becomes an important component of household appliances, and as the quality requirement of people on life is higher and higher, the good experience of users in the using process of the air conditioner is also concerned widely. Modern people have high stress and anxiety, and a good comfortable environment is needed to relieve physical and mental fatigue in the life process, particularly in the night sleep process. Therefore, noise generated during the operation of the air conditioner also becomes an important factor affecting the health of the user.
The air conditioner noise mainly comes from vibration of a compressor, motor running sound and wind noise caused by running of a fan, wherein the most direct factor influencing the body feeling of a user is the friction noise between high-speed airflow at an air outlet of an inner machine and an air guide grid.
The conventional noise reduction method of the air conditioner achieves the purpose of reducing noise by adding sound absorption materials to a compressor cabin body, adding damping shock absorption to the compressor and related pipelines, optimizing air duct design, optimizing structural design and the like. The noise reduction methods are limited by the structure body, the optimization space is small, and the noise reduction effect is not obvious due to the limitation of the structure; due to different operating conditions of the air conditioner, the noise reduction effect difference of the same noise reduction method is larger under different operating conditions.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provides a noise reduction control method of an air conditioner, which can greatly reduce the noise of an air outlet of an indoor unit of the air conditioner and is not limited by the design of mechanical structures such as pipelines and the like; the control model can be adjusted according to the running state of the air conditioner, and the air conditioner is suitable for more working conditions.
The purpose of the invention is realized by the following technical scheme:
a noise reduction control method of an air conditioner comprises the following steps:
acquiring current operating parameters of the air conditioner;
inputting the operation parameters into a preset wind noise time sequence model to obtain wind noise parameters; the wind noise parameter is used for indicating the wind noise of the air outlet of the air conditioner under the action of the current operation parameter;
inputting the wind noise parameter into a command pulse generation module to obtain a plurality of command pulses under different time sequences, wherein the response oscillation after the command pulses and the wind noise parameter are superposed is zero;
outputting the plurality of command pulses through a sounder provided in the air conditioner.
Further, after the plurality of command pulses are output through a sound generator provided in the air conditioner, the method further comprises the following steps:
acquiring a wind noise value of an air outlet of an air conditioner;
if the wind noise value is above a set threshold, adjusting the command pulse such that the wind noise value is below the set threshold.
Further, the obtaining of the wind noise value of the air outlet of the air conditioner comprises:
acquiring an actual wind noise value of the air outlet of the air conditioner through a sound wave acquisition device arranged at the air outlet of the air conditioner;
or,
and performing convolution calculation on the wind noise parameter and the command pulses through a convolution calculation module to obtain a calculation result as a wind noise value of the air outlet of the air conditioner.
Further, the adjusting the command pulse comprises at least one of:
increasing or decreasing the pulse amplitude, delaying or advancing the action time point, increasing the command pulse.
Further, the operation parameters include at least one of the following status parameters of the air conditioner:
operation mode, temperature, wind speed, windsweeping state, load operation information.
Further, the wind noise parameters include a period, an amplitude, and a response time of the wind noise.
Further, the expression of the command pulse generation module is:
wherein n is the number of pulses, A1 is the pulse amplitude, and delta (t-t)1) Is the action sequence.
The second purpose of the invention is to provide a noise reduction control device of an air conditioner to avoid the defects in the prior art, which can greatly reduce the noise of the air outlet of the indoor unit of the air conditioner and is not limited by the design of mechanical structures such as pipelines and the like; the control model can be adjusted according to the running state of the air conditioner, and the air conditioner is suitable for more working conditions.
The purpose of the invention is realized by the following technical scheme:
a noise reduction control apparatus of an air conditioner, comprising:
the operation parameter acquisition module is used for acquiring the current operation parameters of the air conditioner;
the wind noise parameter acquisition module is used for inputting the operation parameters into a preset wind noise time sequence model to obtain wind noise parameters; the wind noise parameter is used for indicating the wind noise of the air outlet of the air conditioner under the action of the current operation parameter;
the command pulse generation module is used for inputting the wind noise parameter to the command pulse generation module to obtain a plurality of command pulses under different time sequences, wherein the response oscillation after the command pulses and the wind noise parameter are superposed is zero;
and the command pulse output module is used for outputting the command pulses through a sounder arranged in the air conditioner.
The third purpose of the invention is to provide an air conditioner which avoids the defects in the prior art, can greatly reduce the noise of the air outlet of the indoor unit of the air conditioner and is not limited by the design of mechanical structures such as pipelines and the like; the control model can be adjusted according to the running state of the air conditioner, and the air conditioner is suitable for more working conditions.
The purpose of the invention is realized by the following technical scheme:
an air conditioner comprising:
at least one memory and at least one processor;
the memory for storing one or more programs;
when the one or more programs are executed by the at least one processor, the at least one processor may implement the steps of the noise reduction control method of the air conditioner as set forth in the first object of the claims.
Further, still include:
the sounder is mounted in an air outlet area of a bottom shell of the air conditioner.
In the embodiment of the application, the wind noise parameter of the air outlet of the air conditioner is obtained through a preset and trained wind noise time sequence model and the current operation parameter of the air conditioner, a plurality of command pulses under different time sequences are output through a command pulse generating module, so that the response oscillation of the superimposed wind noise parameter and the plurality of command pulses is zero, and a plurality of command pulses are output through a sounder, so that the response oscillation of the wind noise of the air outlet of the air conditioner is eliminated, the sound noise of the air outlet of the indoor unit of the air conditioner can be greatly reduced, and the sound noise is not limited by the design of mechanical structures such as pipelines and the like; and the control parameters can be adjusted according to different running states of the air conditioner, so that the air conditioner is suitable for more running working conditions of the air conditioner.
Drawings
The invention is further illustrated by means of the attached drawings, but the embodiments in the drawings do not constitute any limitation to the invention, and for a person skilled in the art, other drawings can be derived on the basis of the following drawings without inventive effort.
Fig. 1 is a flowchart illustrating a control method of an air conditioner according to an example of the embodiment of the present disclosure;
FIG. 2 is a schematic diagram of the response of the control system at multiple pulse inputs in an example of an embodiment of the present application;
FIG. 3 is a flow chart illustrating a method for controlling an air conditioner according to an example of the embodiment of the present disclosure;
fig. 4 is a schematic structural diagram of a control device of an air conditioner according to an example of the embodiment of the present application;
FIG. 5 is a schematic structural diagram of an air conditioner in an example of the embodiment of the present application;
fig. 6 is a schematic structural diagram of an air conditioner according to an example of the embodiment of the present application.
The figures are numbered as follows: the panel body component-1, the panel-2, the wind sweeping blades-3, the wind deflector-4, the bottom shell-6, the sounder-7 and the sound wave acquisition device-8.
Detailed Description
In order to make the objects, 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 with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The terminology used in the embodiments of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used in the examples of the present invention and the appended claims, the singular forms "a", "an", and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise, and "a plurality" typically includes at least two.
The words "if", as used herein, may be interpreted as "at … …" or "at … …" or "in response to a determination" or "in response to a detection", depending on the context. Similarly, the phrases "if determined" or "if detected (a stated condition or event)" may be interpreted as "when determined" or "in response to a determination" or "when detected (a stated condition or event)" or "in response to a detection (a stated condition or event)", depending on the context. The invention is further described with reference to the following examples.
In view of the above technical problems mentioned in the background art, an embodiment of the present application provides a noise reduction control method for an air conditioner, as shown in fig. 1, in an exemplary embodiment, the noise reduction control method for the air conditioner includes the following steps:
s101: and acquiring the current operating parameters of the air conditioner.
After the air conditioner is started, a user can set the running mode, set temperature, wind speed, whether to sweep wind and other related states of the air conditioner by using a remote controller, a panel button of the air conditioner or infrared remote control equipment according to the use requirement of the user, after the setting is completed, the main control of an inner machine of the air conditioner drives an inner fan, a wind sweeping motor, a display panel, a WIFI detection panel and other series of loads to run, an air deflector is opened to a set position (or continuously sweeps wind in a set area), a wind sweeping blade rotates to the set position (or continuously sweeps wind in the set area), and the inner fan rotates to generate air volume according to the set mode and the set rotating speed.
In one specific example, the operating parameters include at least one of the following status parameters of the air conditioner:
operation mode, temperature, wind speed, windsweeping state, load operation information. The temperature may be an ambient temperature, a set temperature, or a difference between the ambient temperature and the set temperature, the operation mode includes cooling, heating, blowing, and dehumidifying, and in some examples, a sleep control mode, a mute control mode, and the like may be superimposed on the above mode. The load operation information can be the load power of the air conditioners comprising an inner fan, a wind sweeping motor, a display panel, a WIFI detection board and the like.
S102: inputting the operation parameters into a preset wind noise time sequence model to obtain wind noise parameters; the wind noise parameter is used for indicating the wind noise of the air outlet of the air conditioner under the action of the current operation parameter.
The wind noise time sequence model is used for simulating real-time wind noise of an air outlet of an air conditioner indoor unit according to current operation parameters of the air conditioner.
In one example, before the air conditioner leaves a factory, according to the operation parameters of the air conditioner, such as the operation mode, the temperature, the wind speed, the wind sweeping state and other load operation information of the air conditioner, and the wind noise information under the operation parameters, a modeling software is used for establishing the wind noise time sequence model, inverse optimization is carried out according to a large amount of experimental data, a model formula is abstracted, and meanwhile, the operation parameters are extracted as main dependent variables. When the wind noise model is used by a user, the current wind noise parameters can be obtained by inputting the operation parameters into the wind noise time sequence model.
In a specific example, the wind noise parameters specifically include a period, an amplitude, and a response time of the wind noise.
S103: and inputting the wind noise parameter into a command pulse generation module to obtain a plurality of command pulses under different time sequences, wherein the response oscillation after the command pulses and the wind noise parameter are superposed is zero.
In the embodiment of the present application, a final purpose of the method is to eliminate oscillation generated by wind noise at the air outlet of the air conditioner, and therefore, after a wind noise parameter of the current air outlet of the air conditioner is simulated through a wind noise timing model, the command pulse generating module is configured to generate a plurality of command pulses at different timings according to the wind noise parameters such as a period, an amplitude, and a response time of the wind noise, so that response oscillation after the plurality of command pulses and the wind noise parameter are superimposed is zero.
In one example, as shown in fig. 2, the waveform of the wind noise parameter is a1 impulse response, the command impulse module generates command impulses a2 and A3 at different timings, the induced system oscillation responses are a2 impulse response and A3 impulse response, and after the convolution of the three impulses, an additive response is generated to eliminate the system oscillation generated by the wind noise.
The number of the command pulses may be other numbers according to different calculation formulas of the command pulse generating module.
In a specific example, the expression of the command pulse generation module is:
wherein n is a pulse numberNumber, A1, is the pulse amplitude, δ (t-t)1) Is the action sequence.
S104: outputting the plurality of command pulses through a sounder provided in the air conditioner.
In a preferred embodiment, the sounder is mounted at the outlet area of the air conditioner base case.
In the embodiment of the application, the wind noise parameter of the air outlet of the air conditioner is obtained through a preset and trained wind noise time sequence model and the current operation parameter of the air conditioner, a plurality of command pulses under different time sequences are output through a command pulse generating module, so that the response oscillation of the superimposed wind noise parameter and the plurality of command pulses is zero, and a plurality of command pulses are output through a sounder, so that the response oscillation of the wind noise of the air outlet of the air conditioner is eliminated, the sound noise of the air outlet of the indoor unit of the air conditioner can be greatly reduced, and the sound noise is not limited by the design of mechanical structures such as pipelines and the like; and the control parameters can be adjusted according to different running states of the air conditioner, so that the air conditioner is suitable for more running working conditions of the air conditioner.
In one embodiment, as shown in fig. 3, after the plurality of command pulses are output through the sound generator disposed in the air conditioner, the method further includes the following steps:
s301: acquiring a wind noise value of an air outlet of an air conditioner;
s302: if the wind noise value is above a set threshold, adjusting the command pulse such that the wind noise value is below the set threshold.
In one example, the acquiring the wind noise value of the air outlet of the air conditioner comprises the following steps: acquiring an actual wind noise value of the air outlet of the air conditioner through a sound wave acquisition device arranged at the air outlet of the air conditioner; or performing convolution calculation on the wind noise parameter and the command pulses through a convolution calculation module, and acquiring a calculation result as a wind noise value of the air outlet of the air conditioner.
The convolution can be understood as weighted superposition of one function on another function, and the integral of the wind outlet wind noise wave function and the integral of the command pulse function are superposed.
In one example, the adjusting the command pulse includes at least one of:
increasing or decreasing the pulse amplitude, delaying or advancing the action time point, increasing the command pulse.
After the plurality of command pulses are output, the wind noise oscillation amplitude of the air outlet of the air conditioner is increased, or the wind noise is not eliminated, so that a plurality of new command pulses can be calculated according to the obtained current wind noise. The new command pulses can be obtained by modifying parameters on the basis of the original command pulses, or the original command pulses can be directly stopped from being generated, and the new command pulses can be regenerated. Increasing or decreasing the pulse amplitude, delaying or advancing the action time are all parameters of the new pulse obtained by calculation, and the new pulse parameters have corresponding adjustment of the amplitude and the action time relative to the original pulse parameters.
Corresponding to the noise reduction control method of the air conditioner, the embodiment of the application also provides a noise reduction control device of the air conditioner, the wind noise parameter of the air outlet of the air conditioner is obtained through a preset and trained wind noise time sequence model and the current operation parameter of the air conditioner, the command pulse generating module outputs a plurality of command pulses under different time sequences, the response oscillation after the wind noise parameter is superposed with the command pulses is zero, the sounder outputs the command pulses to eliminate the response oscillation of the wind noise of the air outlet of the air conditioner, the noise of the air outlet of the air conditioner can be greatly reduced, and the noise reduction control device is not limited by the design of mechanical structures such as pipelines and the like; and the control parameters can be adjusted according to different running states of the air conditioner, so that the air conditioner is suitable for more running working conditions of the air conditioner.
Fig. 4 is a schematic structural diagram of a noise reduction control device of an air conditioner according to an example of the present application, where the noise reduction control device 400 of the air conditioner includes:
an operation parameter obtaining module 401, configured to obtain current operation parameters of the air conditioner;
a wind noise parameter obtaining module 402, configured to input the operation parameter into a preset wind noise timing model to obtain a wind noise parameter; the wind noise parameter is used for indicating the wind noise of the air outlet of the air conditioner under the action of the current operation parameter;
a command pulse generating module 403, configured to input the wind noise parameter to the command pulse generating module, so as to obtain multiple command pulses in different time sequences, where response oscillation after the multiple command pulses and the wind noise parameter are superimposed is zero;
a command pulse output module 404, configured to output the command pulses through a sound generator disposed in the air conditioner.
In an exemplary embodiment, the noise reduction control apparatus 400 of an air conditioner further includes:
the wind noise acquisition module is used for acquiring a wind noise value of an air outlet of the air conditioner after outputting the command pulses through a sounder arranged in the air conditioner;
and the adjusting module is used for adjusting the command pulse if the wind noise value is higher than a set threshold value, so that the wind noise value is lower than the set threshold value.
In an exemplary embodiment, the wind noise acquisition module includes:
the wind noise acquisition unit is used for acquiring an actual wind noise value of the air outlet of the air conditioner through a sound wave acquisition device arranged at the air outlet of the air conditioner;
or,
and the wind noise calculation unit is used for performing convolution calculation on the wind noise parameters and the command pulses through a convolution calculation module to obtain a calculation result as a wind noise value of the air outlet of the air conditioner.
In an exemplary embodiment, said adjusting said command pulse comprises at least one of:
increasing or decreasing the pulse amplitude, delaying or advancing the action time point, increasing the command pulse.
In an exemplary embodiment, the operating parameters include at least one of the following status parameters of the air conditioner:
operation mode, temperature, wind speed, windsweeping state, load operation information.
In an exemplary embodiment, the wind noise parameters include a period, an amplitude, and a response time of the wind noise.
In an exemplary embodiment, the command pulse generating module has the expression:
wherein n is the number of pulses, A1 is the pulse amplitude, and delta (t-t)1) Is the action sequence.
Fig. 5 is a schematic structural diagram of an air conditioner according to an embodiment of the present application, and fig. 6 is a schematic structural diagram of an internal unit of the air conditioner, where the air conditioner 50 includes: a memory 51 for storing program instructions; and the processor 52 is configured to call the program instructions stored in the memory, and execute the noise reduction control method of the air conditioner according to the obtained program.
The air conditioner also includes a bus connecting the memory 51 and the processor 52.
In fig. 6, the indoor unit of the air conditioner mainly comprises a panel body part 1, a panel 2, a wind sweeping blade 3, a wind guide plate 4 and a bottom shell 6, wherein the panel body part 1 is sleeved on the bottom shell 6, the panel 2 is arranged on the surface of the panel body part 1, the wind sweeping blade 3 and the wind guide plate 4 are arranged in an air outlet area 5 of the bottom shell 6, a sounder 7 is arranged in the air outlet area 5 of the bottom shell 6, and a sound wave collecting device 8 is arranged on the inner side of the wind guide plate 4.
The sounder 7 is used for emitting the command pulses, and the sound wave collecting device 8 is used for collecting an actual wind noise value of an air outlet of the air conditioner. In one example, the sound generator 7 is a speaker or a stereo and the sound collection device 8 is a microphone.
Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the protection scope of the present invention, although the present invention is described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions can be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention.
Claims (10)
1. A noise reduction control method of an air conditioner is characterized by comprising the following steps:
acquiring current operating parameters of the air conditioner;
inputting the operation parameters into a preset wind noise time sequence model to obtain wind noise parameters; the wind noise parameter is used for indicating the wind noise of the air outlet of the air conditioner under the action of the current operation parameter;
inputting the wind noise parameter into a command pulse generation module to obtain a plurality of command pulses under different time sequences, wherein the response oscillation after the command pulses and the wind noise parameter are superposed is zero;
outputting the plurality of command pulses through a sounder provided in the air conditioner.
2. The noise reduction control method of an air conditioner according to claim 1, wherein after the plurality of command pulses are output through a sound generator provided in the air conditioner, the method further comprises the steps of:
acquiring a wind noise value of an air outlet of an air conditioner;
if the wind noise value is above a set threshold, adjusting the command pulse such that the wind noise value is below the set threshold.
3. The method for controlling noise reduction of an air conditioner according to claim 2, wherein the obtaining of the wind noise value of the air outlet of the air conditioner comprises:
acquiring an actual wind noise value of the air outlet of the air conditioner through a sound wave acquisition device arranged at the air outlet of the air conditioner;
or,
and performing convolution calculation on the wind noise parameter and the command pulses through a convolution calculation module to obtain a calculation result as a wind noise value of the air outlet of the air conditioner.
4. The noise reduction control method of an air conditioner according to claim 2, wherein the adjusting the command pulse includes at least one of:
increasing or decreasing the pulse amplitude, delaying or advancing the action time point, increasing the command pulse.
5. The noise reduction control method of an air conditioner according to claim 1, wherein the operation parameters include at least one of the following status parameters of the air conditioner:
operation mode, temperature, wind speed, windsweeping state, load operation information.
6. The noise reduction control method of an air conditioner according to claim 1, wherein:
the wind noise parameters include a period, an amplitude and a response time of the wind noise.
7. The noise reduction control method of an air conditioner according to claim 6, wherein:
the expression of the command pulse generation module is as follows:
wherein n is the number of pulses, A1 is the pulse amplitude, and delta (t-t)1) Is the action sequence.
8. A noise reduction control apparatus of an air conditioner, comprising:
the operation parameter acquisition module is used for acquiring the current operation parameters of the air conditioner;
the wind noise parameter acquisition module is used for inputting the operation parameters into a preset wind noise time sequence model to obtain wind noise parameters; the wind noise parameter is used for indicating the wind noise of the air outlet of the air conditioner under the action of the current operation parameter;
the command pulse generation module is used for inputting the wind noise parameter to the command pulse generation module to obtain a plurality of command pulses under different time sequences, wherein the response oscillation after the command pulses and the wind noise parameter are superposed is zero;
and the command pulse output module is used for outputting the command pulses through a sounder arranged in the air conditioner.
9. An air conditioner, comprising:
at least one memory and at least one processor;
the memory for storing one or more programs;
when the one or more programs are executed by the at least one processor, the at least one processor may implement the steps of the noise reduction control method of the air conditioner according to any one of claims 1 to 7.
10. The air conditioner according to claim 9, further comprising:
the sounder is mounted in an air outlet area of a bottom shell of the air conditioner.
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| CN202011311781.8A CN112594916A (en) | 2020-11-20 | 2020-11-20 | Noise reduction control method and device for air conditioner and air conditioner |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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| CN114459073A (en) * | 2022-02-28 | 2022-05-10 | 海信（山东）空调有限公司 | Air conditioner and control method thereof |
| CN114623494A (en) * | 2022-02-28 | 2022-06-14 | 海信（山东）空调有限公司 | Air conditioner |
| CN114459073B (en) * | 2022-02-28 | 2022-09-02 | 海信空调有限公司 | Air conditioner and control method thereof |
| CN114623494B (en) * | 2022-02-28 | 2022-11-25 | 海信空调有限公司 | Air conditioner |
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