CN111141014A - Mute mode control method and mute control system - Google Patents
Mute mode control method and mute control system Download PDFInfo
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- CN111141014A CN111141014A CN201911402546.9A CN201911402546A CN111141014A CN 111141014 A CN111141014 A CN 111141014A CN 201911402546 A CN201911402546 A CN 201911402546A CN 111141014 A CN111141014 A CN 111141014A
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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
- F24F11/89—Arrangement or mounting of control or safety devices
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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
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/06—Separate outdoor units, e.g. outdoor unit to be linked to a separate room comprising a compressor and a heat exchanger
- F24F1/40—Vibration or noise prevention at outdoor units
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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
- F24F11/00—Control or safety arrangements
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
- F24F11/72—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure
- F24F11/74—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity
- F24F11/77—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity by controlling the speed of ventilators
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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
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
- F24F11/80—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air
- F24F11/83—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers
- F24F11/84—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers using valves
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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
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
- F24F11/80—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air
- F24F11/86—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling compressors within refrigeration or heat pump circuits
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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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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Fuzzy Systems (AREA)
- Mathematical Physics (AREA)
- Fluid Mechanics (AREA)
- Thermal Sciences (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The invention provides a mute mode control method and a mute control system, which comprises the steps of obtaining environment reference noise and environment noise, and controlling a compressor and/or controlling an outdoor fan and/or controlling an electronic expansion valve according to the environment reference noise and the environment noise. When a user sleeps at night, noise generated by an air conditioner is more obvious, the main sources of the noise are vibration of a compressor, mechanical vibration caused by high-speed rotation of an outdoor fan and vibration generated when fluid in an electronic expansion valve flows, which are main sources of the noise, in the application, the frequency of the compressor, the rotating speed of the outdoor fan and the opening of the electronic expansion valve are adjusted according to the difference value of reference noise of the environment and environmental noise in actual working, and when the whole difference value is larger than a preset range, the noise exceeds the standard and is considered to be adjusted gradually; and stopping adjusting until the whole difference value reaches the preset range.
Description
Technical Field
The invention relates to the field of air conditioner control, in particular to a mute mode control method and a mute control system.
Background
The user goes to sleep at night, because need open air conditioner control room interior temperature, but the air conditioner can produce the noise in service, can seriously influence user's sleep quality, under present technical condition, is difficult to avoid the existence of air conditioner noise.
Along with the development of science and technology and the improvement of living standard, the use of air conditioner is more and more extensive, and people have higher and higher requirements for the noise comfort of the air conditioner. When the air conditioner operates, the fan rotates at a high speed, and the noise caused by vibration of the outer machine is inevitable, so that the requirement of a user on the comfort level is influenced.
Disclosure of Invention
In order to solve at least one of the above problems, the present invention provides a mute mode control method, including obtaining an environmental reference noise and an environmental noise, and controlling a compressor and/or controlling an outdoor fan and/or controlling an electronic expansion valve according to the environmental reference noise and the environmental noise.
When a user sleeps at night, noise generated by an air conditioner is more obvious, the main sources of the noise are vibration of a compressor, mechanical vibration caused by high-speed rotation of an outdoor fan and vibration generated when fluid in an electronic expansion valve flows, which are main sources of the noise, in the application, the frequency of the compressor, the rotating speed of the outdoor fan and the opening of the electronic expansion valve are adjusted according to the difference value of reference noise of the environment and environmental noise in actual working, and when the whole difference value is larger than a preset range, the noise exceeds the standard and is considered to be adjusted gradually; and stopping adjusting until the whole difference value reaches the preset range.
Preferably, the acquiring of the environmental reference noise comprises: shutdown for a first time period T1Then, the environmental reference noise a is acquired.
The environmental reference noise refers to environmental noise generated when no air conditioner is operated in a space, and the compressor frequency, the outdoor fan rotation speed and the opening degree of the electronic expansion valve are adjusted based on the environmental noise generated during actual operation. Therefore, the test sampling should be stopped, where T1Generally, it is taken for 3 min.
Preferably, the ambient noise comprises: and obtaining the environmental noise B after the unit operates stably.
Because the unit is when the operation initial stage, various parameters are unstable, and individual parameter appears too high easily, causes the sudden increase of noise, and the sampling can cause not accurate this moment, and the ambient noise of so sampling should be the ambient noise of steady operation.
Preferably, the stable operation of the unit comprises: and after the unit starting stage is finished, keeping the rotating speed of the fan, the frequency of the compressor, the high pressure of the system, the low pressure of the system and the opening degree of the electronic expansion valve unchanged for a second time period T2.
Generally, the sampling time is 10-15 min from the initial start to the stable operation, and in order to ensure the sampling accuracy and representativeness, the sampling is started after the fan rotating speed, the compressor frequency, the system high pressure, the system low pressure and the electronic expansion valve opening degree are kept for a second time period T2.
In a specific embodiment, after the refrigeration of the air conditioner is started, the fan reaches 760 revolutions, the compressor keeps 62Hz, the opening degree of the expansion valve keeps 140 steps, the high-pressure keeps 2.8MPa, the low-pressure keeps 0.8MPa, and the steady state is considered to be reached when the parameters are unchanged for more than 5 min. The operation is stable, and the stable state can be achieved after the output selected by the unit according to the current environment temperature and the requirement is met, namely the set is not required to reach a certain set state.
Preferably, the controlling the compressor includes:
and when the difference value between the environmental noise B and the environmental reference noise A is larger than a preset range C, gradually reducing the compressor frequency α until the difference value between the environmental noise B and the environmental reference noise A is not larger than the preset range C.
Gradually lowering the compressor frequency α can prevent the unit from stopping due to over-guaranteed silence, and gradually lowering the compressor frequency α to meet the temperature regulation requirement of the current user and ensure the environmental noise within a preset range.
Preferably, the step-wise decreasing the compressor frequency α includes skipping a preset resonant noise frequency.
Since the vibration generated by the compressor will cause overall resonance at a specific frequency preset by the laboratory, the vibration will automatically skip when the compressor frequency α decreases, and avoid the occurrence of resonance to generate larger noise, the decreased frequency α can be selected to be 3% of the current operating frequency.
Preferably, the control electronic expansion valve comprises: and when the difference value between the environmental noise B and the environmental reference noise A is larger than a preset range C, gradually increasing the opening gamma of the electronic expansion valve until the difference value between the environmental noise B and the environmental reference noise A is not larger than the preset range C.
The gradual increase of the opening gamma of the electronic expansion valve can prevent the unit from stopping due to over-guaranteed silence, and the gradual increase of the opening gamma of the electronic expansion valve can ensure that the environmental noise is within a preset range on the premise of meeting the temperature regulation requirement of a current user.
In a specific embodiment, the electronic expansion valve opening γ is 5 steps, and 500 steps in total, and after the electronic expansion valve opening is increased, the high pressure is reduced, the compressor load is reduced, and the noise is reduced.
Preferably, the controlling the outdoor unit includes gradually decreasing the outdoor unit rotation speed β when the difference between the environmental noise B and the environmental reference noise a is greater than a preset range C until the difference between the environmental noise B and the environmental reference noise a is not greater than the preset range C, and gradually decreasing the integrated value of the outdoor unit rotation speed β by no more than 40% of the preset fan rotation speed.
The step-by-step reduction of the outdoor unit rotation speed β can prevent the unit from stopping due to over-guaranteed silence, in order to ensure that the environmental noise is within a preset range on the premise of meeting the current user temperature regulation requirement, the step-by-step reduction of the outdoor unit rotation speed β is performed, and in order to ensure the normal operation of the device, the integrated value of the outdoor unit rotation speed β is reduced step by step not to exceed 40% of the preset rotation speed of the fan, wherein the preset rotation speed can be the maximum rotation speed of the fan or a rated rotation speed.
Generally, the outdoor unit rotation speed β is reduced to 2% of the current outdoor unit rotation speed.
Under the premise of meeting the target temperature state of the current operation by gradually controlling the compressor frequency α and/or the opening gamma of the electronic expansion valve and/or the rotating speed β, the requirement that the difference A between the environmental noise B and the environmental reference noise is not larger than a preset range C is ensured to be met, wherein the preset range C is generally 5 dB.
Preferably, the mute control is interrupted when the unit is in defrost or oil return control. The normal operation priority of the current device is higher than that of the mute control due to defrosting or oil return, so that the mute control is interrupted when the unit is in defrosting or oil return control.
Preferably, the mute mode is activated when the group receives a user mute control instruction.
In the preferred scheme, the mute mode is started according to a user instruction, meanwhile, the automatic detection can be carried out, and when the difference value A between the environmental noise B and the environmental reference noise is larger than the preset range C, the mute mode is automatically started.
A mute control system comprises a noise detection module and a control module, wherein the noise detection module comprises a noise sensor, and the control module applies the mute mode control method in one of the technical schemes.
Drawings
Fig. 1 is a block diagram of operation.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below.
The mute mode control method provided in the first embodiment of the invention comprises the steps of acquiring environment reference noise and environment noise, and controlling a compressor and/or controlling an outdoor fan and/or controlling an electronic expansion valve according to the environment reference noise and the environment noise. When a user sleeps at night, noise generated by an air conditioner is more obvious, the main sources of the noise are vibration of a compressor, mechanical vibration caused by high-speed rotation of an outdoor fan and vibration generated when fluid in an electronic expansion valve flows, which are main sources of the noise, in the application, the frequency of the compressor, the rotating speed of the outdoor fan and the opening of the electronic expansion valve are adjusted according to the difference value of reference noise of the environment and environmental noise in actual working, and when the whole difference value is larger than a preset range, the noise exceeds the standard and is considered to be adjusted gradually; and stopping adjusting until the whole difference value reaches the preset range.
For the above embodiment, the acquiring the environmental reference noise includes: shutdown for a first time period T1Then, the environmental reference noise a is acquired. The environmental reference noise refers to environmental noise generated when no air conditioner is operated in a space, and the compressor frequency, the outdoor fan rotation speed and the opening degree of the electronic expansion valve are adjusted based on the environmental noise generated during actual operation. Therefore, the test sampling should be stopped, where T1Generally, it is taken for 3 min.
For the above embodiment, the ambient noise includes: and obtaining the environmental noise B after the unit operates stably. Because the unit is when the operation initial stage, various parameters are unstable, and individual parameter appears too high easily, causes the sudden increase of noise, and the sampling can cause not accurate this moment, and the ambient noise of so sampling should be the ambient noise of steady operation.
In addition, the unit steady operation includes: and after the unit starting stage is finished, keeping the rotating speed of the fan, the frequency of the compressor, the high pressure of the system, the low pressure of the system and the opening degree of the electronic expansion valve unchanged for a second time period T2. Generally, the sampling time is 10-15 min from the initial start to the stable operation, and in order to ensure the sampling accuracy and representativeness, the sampling is started after the fan rotating speed, the compressor frequency, the system high pressure, the system low pressure and the electronic expansion valve opening degree are kept for a second time period T2. In a specific embodiment, after the refrigeration of the air conditioner is started, the fan reaches 760 revolutions, the compressor keeps 62Hz, the opening degree of the expansion valve keeps 140 steps, the high-pressure keeps 2.8MPa, the low-pressure keeps 0.8MPa, and the steady state is considered to be reached when the parameters are unchanged for more than 5 min. The operation is stable, and the stable state can be achieved after the output selected by the unit according to the current environment temperature and the requirement is met, namely the set is not required to reach a certain set state.
In the scheme, the sampling is more representative by making a rule for environment reference noise, environment noise and stable operation of the unit, so that the sampling can reflect the current operation condition actually to provide reliable data support for subsequent control operation.
In order to reduce noise, the control compressor includes:
when the difference between the environmental noise B and the environmental reference noise A is larger than a preset range C, the compressor frequency α is gradually reduced until the difference between the environmental noise B and the environmental reference noise A is not larger than the preset range C, the compressor frequency α is gradually reduced, so that the unit halt caused by over-guaranteed silence can be prevented, and in order to ensure that the environmental noise is in the preset range and the compressor frequency α is gradually reduced on the premise of meeting the temperature regulation requirement of the current user.
The gradual decrease α includes skipping a predetermined resonant noise frequency, since the vibration generated by the compressor will cause overall resonance at a specific frequency, which is predetermined by the laboratory, the compressor will automatically skip if encountering the specific frequency when the α decreases, thereby avoiding the occurrence of resonance and generating more noise, the decreased frequency α may be selected to be 3% of the current operating frequency.
In order to reduce noise, the control electronic expansion valve includes: and when the difference value between the environmental noise B and the environmental reference noise A is larger than a preset range C, gradually increasing the opening gamma of the electronic expansion valve until the difference value between the environmental noise B and the environmental reference noise A is not larger than the preset range C. The gradual increase of the opening gamma of the electronic expansion valve can prevent the unit from stopping due to over-guaranteed silence, and the gradual increase of the opening gamma of the electronic expansion valve can ensure that the environmental noise is within a preset range on the premise of meeting the temperature regulation requirement of a current user.
In a specific embodiment, the electronic expansion valve opening γ is 5 steps, and 500 steps in total, and after the electronic expansion valve opening is increased, the high pressure is reduced, the compressor load is reduced, and the noise is reduced.
In order to reduce noise, the control of the outdoor unit includes gradually reducing the outdoor unit rotation speed β when the difference between the environmental noise B and the environmental reference noise A is greater than the preset range C until the difference between the environmental noise B and the environmental reference noise A is not greater than the preset range C, and gradually reducing the integrated value of the outdoor unit rotation speed β to be not more than 40% of the preset fan rotation speed.
The step-by-step reduction of the outdoor unit rotation speed β can prevent the unit from stopping due to over-guaranteed silence, in order to ensure that the environmental noise is within a preset range on the premise of meeting the current user temperature regulation requirement, the step-by-step reduction of the outdoor unit rotation speed β is performed, and in order to ensure the normal operation of the device, the integrated value of the outdoor unit rotation speed β is reduced step by step not to exceed 40% of the preset rotation speed of the fan, wherein the preset rotation speed can be the maximum rotation speed of the fan or a rated rotation speed.
Generally, the outdoor unit rotation speed β is reduced to 2% of the current outdoor unit rotation speed.
Under the premise of meeting the target temperature state of the current operation by gradually controlling the compressor frequency α and/or the opening gamma of the electronic expansion valve and/or the rotating speed β, the requirement that the difference A between the environmental noise B and the environmental reference noise is not larger than a preset range C is ensured to be met, wherein the preset range C is generally 5 dB.
When the stable operation of the mute state is achieved by controlling the frequency α of the compressor and/or the opening gamma of the electronic expansion valve and/or the rotating speed β of the outdoor unit, at least T is maintained3Time with constant parameters, T3It can take 2 hours.
In another embodiment, the mute control is interrupted when the unit is in defrost or oil return control. The normal operation priority of the current device is higher than that of the mute control due to defrosting or oil return, so that the mute control is interrupted when the unit is in defrosting or oil return control.
The triggering of the mute mode starting may be that when the machine group receives a user mute control instruction, the mute mode is started.
In the preferred scheme, the mute mode is started according to a user instruction, meanwhile, the automatic detection can be carried out, and when the difference value A between the environmental noise B and the environmental reference noise is larger than the preset range C, the mute mode is automatically started.
In yet another embodiment, a mute control system is further provided, which includes a noise detection module and a control module, where the noise detection module includes a noise sensor, and the control module applies the mute mode control method according to one of the above technical solutions.
Although the present invention is disclosed above, the present invention is not limited thereto. Various changes and modifications may be effected therein by one skilled in the art without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (12)
1. A mute mode control method, characterized by: the method comprises the steps of obtaining environment reference noise and environment noise, and controlling a compressor and/or controlling an outdoor fan and/or controlling an electronic expansion valve according to the environment reference noise and the environment noise.
2. The mute control method according to claim 1, wherein: the acquiring of the environmental reference noise comprises: shutdown for a first time period T1Then, the environmental reference noise a is acquired.
3. The method of claim 2, wherein: the ambient noise includes: and obtaining the environmental noise B after the unit operates stably.
4. The method of claim 3, wherein: the stable operation of unit includes: after the start-up phase of the unit is finished, the fanThe rotating speed, the compressor frequency, the system high pressure, the system low pressure and the opening degree of the electronic expansion valve are kept for a second time period T2And is not changed.
5. The method of claim 1, wherein said controlling the compressor comprises gradually decreasing the compressor frequency α when the difference between the ambient noise B and the ambient reference noise A is greater than a predetermined range C until the difference between the ambient noise B and the ambient reference noise A is not greater than the predetermined range C.
6. The method of claim 5, wherein said step-wise decreasing the compressor frequency α includes skipping a preset resonant noise frequency.
7. The method of claim 1, wherein: the control electronic expansion valve includes: and when the difference value between the environmental noise B and the environmental reference noise A is larger than a preset range C, gradually increasing the opening gamma of the electronic expansion valve until the difference value between the environmental noise B and the environmental reference noise A is not larger than the preset range C.
8. The method of claim 1, wherein said controlling the outdoor unit comprises gradually decreasing the outdoor unit rotation speed β until the difference between the ambient noise B and the ambient reference noise A is not greater than a predetermined range C, when the difference between the ambient noise B and the ambient reference noise A is greater than the predetermined range C.
9. The method of claim 8, wherein the cumulative value of the outdoor unit rotation speed β is gradually decreased by no more than 40% of the preset fan rotation speed.
10. The method of claim 1, wherein: and when the unit is in defrosting or oil return control, the mute control is interrupted.
11. The method of claim 1, wherein: when the machine group receives a user mute control instruction, a mute mode is started.
12. A silence control system, includes noise detection module and control module, noise detection module includes noise sensor, its characterized in that: the control module applies the silent mode control method of one of claims 1 to 11.
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| CN201911402546.9A CN111141014A (en) | 2019-12-30 | 2019-12-30 | Mute mode control method and mute control system |
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| CN201911402546.9A CN111141014A (en) | 2019-12-30 | 2019-12-30 | Mute mode control method and mute control system |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112228972A (en) * | 2020-10-21 | 2021-01-15 | 青岛海信日立空调***有限公司 | Multi-split air conditioning system |
| CN112303849A (en) * | 2020-10-29 | 2021-02-02 | 青岛海尔空调电子有限公司 | Control method for reducing noise of air conditioner and air conditioner using same |
| CN113294886A (en) * | 2021-06-23 | 2021-08-24 | 宁波奥克斯电气股份有限公司 | Air conditioner noise reduction method and device and air conditioner |
| CN113915912A (en) * | 2021-10-25 | 2022-01-11 | 海信（山东）冰箱有限公司 | Refrigerator and refrigerator noise reduction method |
| CN114322191A (en) * | 2021-12-13 | 2022-04-12 | 青岛海尔空调器有限总公司 | Noise reduction control method and device for air conditioner, air conditioner and storage medium |
| CN114413440A (en) * | 2022-01-04 | 2022-04-29 | 宁波奥克斯电气股份有限公司 | Control method of air conditioner, air conditioner and storage medium |
| CN114857762A (en) * | 2022-03-01 | 2022-08-05 | 青岛海尔空调器有限总公司 | Method and device for controlling air conditioner and air conditioner |
| WO2023207093A1 (en) * | 2022-04-27 | 2023-11-02 | 青岛海尔空调器有限总公司 | Dehumidifier noise reduction control method and apparatus, electronic device, and storage medium |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112228972A (en) * | 2020-10-21 | 2021-01-15 | 青岛海信日立空调***有限公司 | Multi-split air conditioning system |
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| CN113294886A (en) * | 2021-06-23 | 2021-08-24 | 宁波奥克斯电气股份有限公司 | Air conditioner noise reduction method and device and air conditioner |
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| CN114322191A (en) * | 2021-12-13 | 2022-04-12 | 青岛海尔空调器有限总公司 | Noise reduction control method and device for air conditioner, air conditioner and storage medium |
| CN114413440A (en) * | 2022-01-04 | 2022-04-29 | 宁波奥克斯电气股份有限公司 | Control method of air conditioner, air conditioner and storage medium |
| CN114857762A (en) * | 2022-03-01 | 2022-08-05 | 青岛海尔空调器有限总公司 | Method and device for controlling air conditioner and air conditioner |
| WO2023207093A1 (en) * | 2022-04-27 | 2023-11-02 | 青岛海尔空调器有限总公司 | Dehumidifier noise reduction control method and apparatus, electronic device, and storage medium |
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Application publication date: 20200512 |