CN106895541A - A kind of energy-saving control method under air-conditioner refrigeration mode based on users'comfort - Google Patents

A kind of energy-saving control method under air-conditioner refrigeration mode based on users'comfort Download PDF

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CN106895541A
CN106895541A CN201510949058.5A CN201510949058A CN106895541A CN 106895541 A CN106895541 A CN 106895541A CN 201510949058 A CN201510949058 A CN 201510949058A CN 106895541 A CN106895541 A CN 106895541A
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frequency
temperature
saving control
expansion valve
outdoor
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CN106895541B (en
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黄宁
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Aux Air Conditioning Co Ltd
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Ningbo Aux Group Co Ltd
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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
    • 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
    • F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2110/00—Control inputs relating to air properties
    • F24F2110/10—Temperature
    • 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
    • F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
    • F24F11/46—Improving electric energy efficiency or saving
    • F24F11/47—Responding to energy costs
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2110/00—Control inputs relating to air properties
    • F24F2110/10—Temperature
    • F24F2110/12—Temperature of the outside air
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2140/00—Control inputs relating to system states
    • F24F2140/20—Heat-exchange fluid temperature
    • 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)
  • Life Sciences & Earth Sciences (AREA)
  • Atmospheric Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Air Conditioning Control Device (AREA)

Abstract

The invention discloses the energy-saving control method under a kind of air-conditioner refrigeration mode based on users'comfort, advantage is to be monitored by indoor and outdoor temperature, temperature difference size based on indoor temperature Yu Energy Saving Control pattern design temperature, more accurately control frequency-changeable compressor running frequency, electronic expansion valve opening and indoor and outdoors blower fan wind speed, on the premise of users'comfort is ensured, air conditioner operation power is reduced as far as possible.

Description

A kind of energy-saving control method under air-conditioner refrigeration mode based on users'comfort
Technical field
The present invention relates to the energy-saving control method under air conditioner energy-saving control technology field, especially a kind of air-conditioner refrigeration mode based on users'comfort.
Background technology
Current air-conditioner is had been widely used in people's work, each indoor environment of life.However, the power consumption of air-conditioner is larger, and it is always the Important Problems of concern, it is also the priority research areas of those skilled in the art.Transducer air conditioning is have developed for this, transducer air conditioning is first when beginning to use, air-conditioning is allowed with peak power, maximum quantity of wind is heated or freezed, the rapid temperature set by, then by the variable speed of transducer air conditioning main frame, cold (heat) amount according to needed for room availability is automatically provided, after indoor temperature reaches desired value, air-conditioner host is then operated with the constant speed that can accurately keep this temperature, namely existing transducer air conditioning is the simple reduction power consumption target with amplitude peak, although the compressor rotary speed for avoiding traditional fixed frequency air conditioner is basically unchanged, constantly " opened by it, stopping " compressor adjusts indoor temperature, one open one stop between to easily cause room temperature sometimes hot and sometimes cold, consume the shortcoming of more electric energy, but do not consider the comfort level of user, have much room for improvement.
The content of the invention
The technical problems to be solved by the invention are to provide the energy-saving control method under a kind of air-conditioner refrigeration mode based on users'comfort, monitored by indoor and outdoor surroundingses, more precise control frequency-changeable compressor running frequency, indoor and outdoor blower fan wind speed and electronic expansion valve opening, so as on the premise of users'comfort is ensured, reduce the whole machine operation power of air-conditioner as far as possible.
The present invention solve the technical scheme that is used of above-mentioned technical problem for：A kind of energy-saving control method under air-conditioner refrigeration mode based on users'comfort, it is characterised in that：
S1 air-conditioners judge the operational mode of outdoor unit after unlatching, step S2 are entered in refrigeration mode, otherwise into step S19；
S2 calculates the permission running frequency under refrigeration mode；
S3 outdoor units receive power saving mode instructions, and step S4 is entered when power saving mode instructions are effective, otherwise terminate Energy Saving Control into step S19；
S4 receives the outdoor temperature detected by outdoor temperature sensor, step S5 is entered when outdoor temperature is less than or equal to Ta, otherwise into step S18；
S5 receives the indoor temperature detected by indoor temperature transmitter, step S18 is entered when the temperature difference T of indoor temperature and Energy Saving Control pattern design temperature is more than Tb, otherwise into step S6；
S6 enters step S7 when the temperature difference T of indoor temperature and Energy Saving Control pattern design temperature is less than T1, otherwise into step S8；
S7 shutdown is processed, subsequently into step S19；
S8 enters step S12 when the temperature difference T of indoor temperature and Energy Saving Control pattern design temperature is less than T2, otherwise into step S9；
S9 enters step S13 when the temperature difference T of indoor temperature and Energy Saving Control pattern design temperature is less than T3, otherwise into step S10；
S10 enters step S14 when the temperature difference T of indoor temperature and Energy Saving Control pattern design temperature is less than T4, otherwise into step S11；
S11 sets frequency-changeable compressor target frequency for F4, electric expansion valve target aperture are V4, and control is loaded according to object run, subsequently into step S15；
S12 sets frequency-changeable compressor target frequency for F1, electric expansion valve target aperture are V1, and control is loaded according to object run, subsequently into step S15；
S13 sets frequency-changeable compressor target frequency for F2, electric expansion valve target aperture are V2, and control is loaded according to object run, subsequently into step S15；
S14 sets frequency-changeable compressor target frequency for F3, electric expansion valve target aperture are V3, and control is loaded according to object run, subsequently into step S15；
S15 forces indoor fan wind speed, subsequently into step S16 according to current compressor operating frequency and electronic expansion valve opening；
S16 receives the outdoor coil temperature that outdoor coil pipe used temperature sensor is detected, and step S17 is entered when outdoor coil temperature is less than temperature T2, otherwise into step S19；
S17 forces to carry out outdoor fan control, subsequently into step S19；
S18 runs, subsequently into step S19 with the permission running frequency of step S2 as reference frequency according to the ratio x frequency reducings of reference frequency；
S19 terminates the calculating of refrigeration mode frequency.
Wherein, the Ta is 32~35 DEG C；Energy Saving Control pattern design temperature is 25~26 DEG C；Tb is 2~3 DEG C；T1 is -2 DEG C；T2 is -1~0 DEG C；T3 is 0~1 DEG C；T4 is 1~2 DEG C；The Tc is 40~45 DEG C.The frequency-changeable compressor target frequency F1 is 10Hz~15Hz, and the frequency-changeable compressor target frequency F2 is 15Hz~20Hz, and the frequency-changeable compressor target frequency F3 is 20Hz~30Hz, and the frequency-changeable compressor target frequency F4 is 30Hz~40Hz；Electric expansion valve target aperture V1 is 150~200 steps, and electric expansion valve target aperture V2 is 150~200 steps, and electric expansion valve target aperture V3 is 200~250 steps, and electric expansion valve target aperture V4 is 250~300 steps.
Preferably, ratio x is 70%~90%.
Compared with prior art, the advantage of the invention is that being monitored by indoor and outdoor temperature, temperature difference size based on indoor temperature Yu Energy Saving Control pattern design temperature, more accurately control frequency-changeable compressor running frequency, electronic expansion valve opening and indoor and outdoors blower fan wind speed, so as to ensure that the comfort level of user, and air conditioner operation power is reduced as far as possible.
Specific embodiment
The present invention is described in further detail with reference to embodiments.
This preferred embodiment is the energy-saving control method under a kind of air-conditioner refrigeration mode based on users'comfort, it is characterised in that：
S1 air-conditioners judge the operational mode of outdoor unit after unlatching, step S2 are entered in refrigeration mode, otherwise into step S19；
S2 calculates the permission running frequency under refrigeration mode；
S3 outdoor units receive power saving mode instructions, and step S4 is entered when power saving mode instructions are effective, otherwise terminate Energy Saving Control into step S19；
S4 receives the outdoor temperature detected by outdoor temperature sensor, step S5 is entered when outdoor temperature is less than or equal to Ta, otherwise into step S18；
S5 receives the indoor temperature detected by indoor temperature transmitter, step S18 is entered when the temperature difference T of indoor temperature and Energy Saving Control pattern design temperature is more than Tb, otherwise into step S6；
S6 enters step S7 when the temperature difference T of indoor temperature and Energy Saving Control pattern design temperature is less than T1, otherwise into step S8；
S7 shutdown is processed, subsequently into step S19；Including treatment frequency-changeable compressor, outdoor fan, the action of electric expansion valve even load；
S8 enters step S12 when the temperature difference T of indoor temperature and Energy Saving Control pattern design temperature is less than T2, otherwise into step S9；
S9 enters step S13 when the temperature difference T of indoor temperature and Energy Saving Control pattern design temperature is less than T3, otherwise into step S10；
S10 enters step S14 when the temperature difference T of indoor temperature and Energy Saving Control pattern design temperature is less than T4, otherwise into step S11；
S11 sets frequency-changeable compressor target frequency for F4, electric expansion valve target aperture are V4, and control is loaded according to object run, subsequently into step S15；
S12 sets frequency-changeable compressor target frequency for F1, electric expansion valve target aperture are V1, and control is loaded according to object run, subsequently into step S15；
S13 sets frequency-changeable compressor target frequency for F2, electric expansion valve target aperture are V2, and control is loaded according to object run, subsequently into step S15；
S14 sets frequency-changeable compressor target frequency for F3, electric expansion valve target aperture are V3, and control is loaded according to object run, subsequently into step S15；
S15 forces indoor fan wind speed, subsequently into step S16 according to current compressor operating frequency and electronic expansion valve opening；Indoor fan wind speed is set to match with current compressor operating frequency and electronic expansion valve opening；
S16 receives the outdoor coil temperature that outdoor coil pipe used temperature sensor is detected, and step S17 is entered when outdoor coil temperature is less than temperature T2, otherwise into step S19；
S17 forces to carry out outdoor fan control, subsequently into step S19；Outdoor fan wind speed is set to match with outdoor coil temperature, it is ensured that outdoor coil pipe used safety；
S18 runs, subsequently into step S19 with the permission running frequency of step S2 as reference frequency according to the ratio x frequency reducings of reference frequency；
S19 terminates the calculating of refrigeration mode frequency.
In the present embodiment, the Ta is 32~35 DEG C；Energy Saving Control pattern design temperature is 25~26 DEG C；Tb is 2~3 DEG C；T1 is -2 DEG C；T2 is -1~0 DEG C；T3 is 0~1 DEG C；T4 is 1~2 DEG C；The Tc is 40~45 DEG C.The frequency-changeable compressor target frequency F1 is 10Hz~15Hz, and the frequency-changeable compressor target frequency F2 is 15Hz~20Hz, and the frequency-changeable compressor target frequency F3 is 20Hz~30Hz, and the frequency-changeable compressor target frequency F4 is 30Hz~40Hz；Electric expansion valve target aperture V1 is 150~200 steps, and electric expansion valve target aperture V2 is 150~200 steps, and electric expansion valve target aperture V3 is 200~250 steps, and electric expansion valve target aperture V4 is 250~300 steps.Ratio x is preferably 70%~90%.The load of air-conditioner is including frequency-changeable compressor, outdoor fan, electric expansion valve etc..

Claims (4)

1. the energy-saving control method under a kind of air-conditioner refrigeration mode based on users'comfort, it is characterised in that：
S1 air-conditioners judge the operational mode of outdoor unit after unlatching, step S2 are entered in refrigeration mode, otherwise into step S19；
S2 calculates the permission running frequency under refrigeration mode；
S3 outdoor units receive power saving mode instructions, and step S4 is entered when power saving mode instructions are effective, otherwise terminate Energy Saving Control into step S19；
S4 receives the outdoor temperature detected by outdoor temperature sensor, step S5 is entered when outdoor temperature is less than or equal to Ta, otherwise into step S18；
S5 receives the indoor temperature detected by indoor temperature transmitter, step S18 is entered when the temperature difference T of indoor temperature and Energy Saving Control pattern design temperature is more than Tb, otherwise into step S6；
S6 enters step S7 when the temperature difference T of indoor temperature and Energy Saving Control pattern design temperature is less than T1, otherwise into step S8；
S7 shutdown is processed, subsequently into step S19；
S8 enters step S12 when the temperature difference T of indoor temperature and Energy Saving Control pattern design temperature is less than T2, otherwise into step S9；
S9 enters step S13 when the temperature difference T of indoor temperature and Energy Saving Control pattern design temperature is less than T3, otherwise into step S10；
S10 enters step S14 when the temperature difference T of indoor temperature and Energy Saving Control pattern design temperature is less than T4, otherwise into step S11；
S11 sets frequency-changeable compressor target frequency for F4, electric expansion valve target aperture are V4, and control is loaded according to object run, subsequently into step S15；
S12 sets frequency-changeable compressor target frequency for F1, electric expansion valve target aperture are V1, and control is loaded according to object run, subsequently into step S15；
S13 sets frequency-changeable compressor target frequency for F2, electric expansion valve target aperture are V2, and control is loaded according to object run, subsequently into step S15；
S14 sets frequency-changeable compressor target frequency for F3, electric expansion valve target aperture are V3, and control is loaded according to object run, subsequently into step S15；
S15 forces indoor fan wind speed, subsequently into step S16 according to current compressor operating frequency and electronic expansion valve opening；
S16 receives the outdoor coil temperature that outdoor coil pipe used temperature sensor is detected, and step S17 is entered when outdoor coil temperature is less than temperature Tc, otherwise into step S19；
S17 forces to carry out outdoor fan control, subsequently into step S19；
S18 runs, subsequently into step S19 with the permission running frequency of step S2 as reference frequency according to the ratio x frequency reducings of reference frequency；
S19 terminates the calculating of refrigeration mode frequency.
2. the energy-saving control method under a kind of air-conditioner refrigeration mode based on user's comfortableness according to claim 1, it is characterised in that：The Ta is 32 ~ 35 DEG C；Energy Saving Control pattern design temperature is 25 ~ 26 DEG C；Tb is 2 ~ 3 DEG C；T1 is -2 DEG C；T2 is -1 ~ 0 DEG C；T3 is 0 ~ 1 DEG C；T4 is 1 ~ 2 DEG C；The Tc is 40 ~ 45 DEG C.
3. the energy-saving control method under a kind of air-conditioner refrigeration mode based on user's comfortableness according to claim 2, it is characterised in that：The frequency-changeable compressor target frequency F1 is 10Hz ~ 15Hz, and the frequency-changeable compressor target frequency F2 is 15Hz ~ 20Hz, and the frequency-changeable compressor target frequency F3 is 20Hz ~ 30Hz, and the frequency-changeable compressor target frequency F4 is 30Hz ~ 40Hz；Electric expansion valve target aperture V1 is 150 ~ 200 steps, and electric expansion valve target aperture V2 is 150 ~ 200 steps, and electric expansion valve target aperture V3 is 200 ~ 250 steps, and electric expansion valve target aperture V4 is 250 ~ 300 steps.
4. the energy-saving control method under a kind of air-conditioner refrigeration mode based on user's comfortableness according to claim 1, it is characterised in that：Ratio x is 70% ~ 90%.
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Cited By (14)

* Cited by examiner, † Cited by third party
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CN107401817A (en) * 2017-09-12 2017-11-28 深圳创维空调科技有限公司 A kind of control method for frequency conversion air conditioner and device
CN107525236A (en) * 2017-08-18 2017-12-29 青岛海尔空调器有限总公司 Air-conditioner control method and air conditioner based on human comfort
CN108050671A (en) * 2018-01-11 2018-05-18 广东美的制冷设备有限公司 The control method and air conditioner of air conditioner
CN108105955A (en) * 2017-12-07 2018-06-01 广东美的制冷设备有限公司 Air conditioner and its control method, device
CN108105956A (en) * 2017-12-07 2018-06-01 广东美的制冷设备有限公司 Air conditioner and its control method, device
CN108168038A (en) * 2017-12-29 2018-06-15 珠海格力电器股份有限公司 The control method and device of air-conditioning equipment, storage medium, processor
CN108626855A (en) * 2018-04-28 2018-10-09 宁波奥克斯电气股份有限公司 A kind of energy saving pleasant climate method of frequency-conversion air-conditioning system
CN108917110A (en) * 2018-07-24 2018-11-30 奥克斯空调股份有限公司 A kind of air conditioner energy-saving control method and air conditioner
CN109458717A (en) * 2017-12-20 2019-03-12 国网浙江省电力公司嘉兴供电公司 A kind of Intelligent control apparatus for air-conditioner and its working principle
CN109654686A (en) * 2018-12-20 2019-04-19 珠海格力电器股份有限公司 Air-conditioner control method, air conditioner and computer readable storage medium
CN110701759A (en) * 2019-10-23 2020-01-17 广东美的制冷设备有限公司 Operation control method, operation control device, air conditioner, and storage medium
CN110848898A (en) * 2019-10-11 2020-02-28 珠海格力电器股份有限公司 Control method for preventing air conditioner load conversion from stopping, computer readable storage medium and air conditioner
CN111487875A (en) * 2019-01-28 2020-08-04 珠海格力电器股份有限公司 Method for controlling intelligent household appliance, intelligent household appliance and storage medium
CN111692713A (en) * 2020-06-10 2020-09-22 滁州普利斯特软件有限公司 Energy-saving control method and system for air conditioner

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CN107525236A (en) * 2017-08-18 2017-12-29 青岛海尔空调器有限总公司 Air-conditioner control method and air conditioner based on human comfort
CN107525236B (en) * 2017-08-18 2019-12-31 青岛海尔空调器有限总公司 Air conditioner control method based on human body comfort level and air conditioner
CN107401817A (en) * 2017-09-12 2017-11-28 深圳创维空调科技有限公司 A kind of control method for frequency conversion air conditioner and device
CN108105955A (en) * 2017-12-07 2018-06-01 广东美的制冷设备有限公司 Air conditioner and its control method, device
CN108105956A (en) * 2017-12-07 2018-06-01 广东美的制冷设备有限公司 Air conditioner and its control method, device
CN109458717A (en) * 2017-12-20 2019-03-12 国网浙江省电力公司嘉兴供电公司 A kind of Intelligent control apparatus for air-conditioner and its working principle
CN109458717B (en) * 2017-12-20 2020-08-07 国网浙江省电力公司嘉兴供电公司 Intelligent control device and control method for air conditioner
CN108168038A (en) * 2017-12-29 2018-06-15 珠海格力电器股份有限公司 The control method and device of air-conditioning equipment, storage medium, processor
CN108050671A (en) * 2018-01-11 2018-05-18 广东美的制冷设备有限公司 The control method and air conditioner of air conditioner
CN108626855A (en) * 2018-04-28 2018-10-09 宁波奥克斯电气股份有限公司 A kind of energy saving pleasant climate method of frequency-conversion air-conditioning system
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