CN104406271A - Method for intelligently controlling low-temperature operation of air conditioner and air conditioner - Google Patents
Method for intelligently controlling low-temperature operation of air conditioner and air conditioner Download PDFInfo
- Publication number
- CN104406271A CN104406271A CN201410690036.7A CN201410690036A CN104406271A CN 104406271 A CN104406271 A CN 104406271A CN 201410690036 A CN201410690036 A CN 201410690036A CN 104406271 A CN104406271 A CN 104406271A
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- temperature
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- air conditioner
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- 238000000034 method Methods 0.000 title claims abstract description 25
- 238000012937 correction Methods 0.000 claims abstract description 34
- 238000005057 refrigeration Methods 0.000 claims abstract description 31
- 238000001514 detection method Methods 0.000 claims abstract description 25
- 238000004378 air conditioning Methods 0.000 claims description 45
- 238000013461 design Methods 0.000 claims description 14
- 238000011017 operating method Methods 0.000 claims description 4
- 238000000205 computational method Methods 0.000 claims description 3
- 108010053481 Antifreeze Proteins Proteins 0.000 description 3
- 230000002528 anti-freeze Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Classifications
-
- 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
- F24F11/62—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
-
- 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
-
- 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
- F24F11/76—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 means responsive to temperature, e.g. bimetal springs
-
- 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
- F24F11/62—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
-
- 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
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Atmospheric Sciences (AREA)
- Fuzzy Systems (AREA)
- Mathematical Physics (AREA)
- Signal Processing (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The invention relates to the technical field of refrigeration equipment, in particular to a method for intelligently controlling low-temperature operation of an air conditioner and the air conditioner. The method for intelligently controlling the low-temperature operation of the air conditioner comprises the following steps: step A: after the air conditioner main control unit receives the refrigeration instruction, controlling an indoor temperature detection device to detect indoor temperature and an outdoor temperature detection device to detect outdoor environment temperature; and B: the air conditioner main control unit corrects the detected indoor temperature according to the indoor temperature, the outdoor environment temperature and the set temperature to obtain an indoor corrected temperature; and C: and the air conditioner main control unit controls the running frequency of the compressor according to the indoor corrected temperature. The invention also provides an air conditioner. Through the correction to the indoor temperature to according to the operating frequency of the indoor temperature control compressor after the correction, realized can be under the air conditioner low temperature refrigeration operation condition, under the condition of guaranteeing that the pipe temperature satisfies the refrigeration, the compressor frequency can be in low frequency operation, makes the air conditioner be in steady operation.
Description
Technical field
The present invention relates to technical field of refrigeration equipment, particularly relate to method and the air-conditioner of the cold operation of a kind of intelligent control air-conditioning device.
Background technology
Existing air-conditioning running frequency in cryogenic refrigeration running is higher, causes leaving air temp too low, often there will be anti-freeze protection.
The control of common convertible frequency air-conditioner frequency carries out main body control according to the temperature of indoor environment temperature-sensitive bag and setting, and the frequency separation that the temperature difference of setting is then run is just different.Such as: when indoor 20 DEG C, the running frequency of setting 18 DEG C of compressors is 40HZ, and the running frequency setting 16 DEG C of compressors may be exactly 60HZ.
When outdoor temperature is lower, when indoor temperature is high yet (such as: outer shroud 16 DEG C, inner ring 25 DEG C), the effect of cooling system very good, so can often occur that anti-freeze is protected, the situations such as the continuous start-stop of compressor.
This kind of method of operation can cause cryogenic refrigeration comfortableness poor, and longtime running can affect the service life of compressor.
For the problems referred to above, we need a kind of when under low temperature refrigeration of air conditioner ruuning situation, and when ensureing that pipe temperature meets refrigeration, frequency can be in low-frequency operation, makes air-conditioning be in method and the air-conditioner of the intelligent control air-conditioning device cold operation of steady operational status.
Summary of the invention
The object of the invention is to the method proposing the cold operation of a kind of intelligent control air-conditioning device, under can working as low temperature refrigeration of air conditioner ruuning situation, when ensureing that pipe temperature meets refrigeration, compressor frequency can be in low-frequency operation, makes air-conditioning be in stable operation.
Another object of the present invention is to propose a kind of air-conditioner, under can working as low temperature refrigeration of air conditioner ruuning situation, when ensureing that pipe temperature meets refrigeration, compressor frequency can be in low-frequency operation, make air-conditioning be in stable operation, and this air-conditioning have higher comfort and stability.
For reaching this object, the present invention by the following technical solutions:
A method for intelligent control air-conditioning device cold operation, it comprises the following steps:
Steps A: after the refrigeration instruction that air-conditioning main control unit receives, control indoor temperature detection device and detect indoor temperature, outdoor temperature checkout gear detects outdoor environment temperature;
Step B: air-conditioning main control unit carries out correction according to indoor temperature, outdoor environment temperature and design temperature to the indoor temperature detected and draws indoor correction temperature;
Step C: air-conditioning main control unit controls the running frequency of compressor according to indoor correction temperature.
As a kind of preferred version of the method for above-mentioned intelligent control air-conditioning device cold operation, in step, outdoor temperature checkout gear and outdoor temperature checkout gear detect indoor temperature and outdoor environment temperature respectively in real time.
As a kind of preferred version of the method for above-mentioned intelligent control air-conditioning device cold operation, also comprised before step B and judge whether outdoor environment temperature is less than the standard value of cryogenic refrigeration temperature, if continue operating procedure B and step C lower than the standard value of cryogenic refrigeration, otherwise it is constant to maintain former duty.
As a kind of preferred version of the method for above-mentioned intelligent control air-conditioning device cold operation, the span of described cryogenic refrigeration standard temperature is between 20 DEG C to 35 DEG C.
As a kind of preferred version of the method for above-mentioned intelligent control air-conditioning device cold operation, in stepb, the computational methods of indoor correction temperature are:
T
interior correction=A*T
in+ B*T
outward+ C
Wherein: T
in: the indoor temperature that indoor temperature detection device detects; T
outward: the outdoor environment temperature that outdoor temperature checkout gear detects; C:T
inwith the difference of design temperature; Coefficient A, B are the preset value relevant to compressor of air conditioner.
A kind of air-conditioner, it comprises air-conditioning main control unit, indoor temperature detection device, outdoor temperature checkout gear and frequency-changeable compressor;
Described indoor temperature detection device is for detecting indoor temperature;
Described outdoor temperature checkout gear is for detecting outdoor environment temperature;
Described air-conditioning main control unit is used for accepting operational order, and control indoor temperature detection device and the work of outdoor temperature checkout gear, and the outdoor environment temperature that detects of the Indoor Temperature angle value detected according to indoor temperature detection device, outdoor temperature checkout gear and design temperature carry out correction to the indoor temperature detected draws indoor correction temperature, then control the operation of frequency-changeable compressor according to indoor correction temperature.
As a kind of preferred version of above-mentioned air-conditioner, described indoor temperature detection device and outdoor temperature checkout gear are temperature sensor.
Beneficial effect of the present invention is: the method and the air-conditioner that the invention provides the cold operation of a kind of intelligent control air-conditioning device, by the correction to indoor temperature, and the running frequency of compressor is controlled according to revised indoor temperature, achieve under can working as low temperature refrigeration of air conditioner ruuning situation, when ensureing that pipe temperature meets refrigeration, compressor frequency can be in low-frequency operation, makes air-conditioning be in stable operation.
Accompanying drawing explanation
Fig. 1 is the control flow chart of the method for the intelligent control air-conditioning device cold operation that the specific embodiment of the invention provides;
Fig. 2 is the structural representation of the air-conditioner that this detailed description of the invention provides.
Wherein:
1: air-conditioning main control unit; 2: indoor temperature detection device; 3: outdoor temperature checkout gear; 4: frequency-changeable compressor.
Detailed description of the invention
Technical scheme of the present invention is further illustrated by detailed description of the invention below in conjunction with accompanying drawing.
As shown in Figure 1, present embodiments provide for the method for a kind of intelligent control air-conditioning device cold operation, it comprises the following steps:
Step 101: after the refrigeration instruction that air-conditioning main control unit receives, control indoor temperature detection device and detect indoor temperature, outdoor temperature checkout gear detects outdoor environment temperature;
Step 102: air-conditioning main control unit carries out correction according to indoor temperature, outdoor environment temperature and design temperature to the indoor temperature detected and draws indoor correction temperature;
Step 103: air-conditioning main control unit controls the running frequency of compressor according to indoor correction temperature.
In a step 101, outdoor temperature checkout gear and outdoor temperature checkout gear detect indoor temperature and outdoor environment temperature respectively in real time.By real-time, indoor temperature and outdoor temperature are detected, can adjust the running frequency of compressor timely.Thus, the stability of operation of air conditioner and the comfort level of use can further be ensured.
Also comprised before step 102 and judge whether outdoor environment temperature is less than the standard value of cryogenic refrigeration temperature, if continue operating procedure 102 and step 103 lower than the standard value of cryogenic refrigeration, otherwise it is constant to maintain former duty.
As preferably, the span of cryogenic refrigeration standard temperature is between 20 DEG C to 35 DEG C.
It should be noted that: above-mentioned steps 102 and 103 is mainly run when cryogenic refrigeration for air-conditioning, if when judging that air-conditioning is not in cryogenic refrigeration, without the need to operating procedure 102 and 103.
In a step 102, the computational methods of indoor correction temperature are:
T
interior correction=A*T
in+ B*T
outward+ C
Wherein: T
in: the indoor temperature that indoor temperature detection device detects; T
outward: the outdoor environment temperature that outdoor temperature checkout gear detects; C:T
inwith the difference of design temperature; Coefficient A, B are the preset value relevant to compressor of air conditioner, and this preset value can be obtained by many group experiments.
In order to be further detailed said method, present embodiment additionally provides air-conditioning and is described with the process of said method carrying out practically.
For the situation of cryogenic refrigeration, such as: outdoor environment temperature is 16 DEG C, indoor temperature is 25 DEG C, and remote controller design temperature is 18 DEG C of starts, and because indoor temperature and design temperature difference are 7 DEG C, the running frequency of compressor may be 50HZ.But the refrigeration of 50HZ very good, enters anti-freeze fast and disconnected start-stop after causing air-conditioning to be started shooting, have impact on comfortableness greatly.The method of this above-mentioned intelligent control air-conditioning device cold operation, when design temperature is constant, can be revised compressor operating frequency:
First the correction value T inner ring correction of indoor temperature is drawn;
T
interior correction=A*T
in+ B*T
outward+ C
Wherein: T
in: the indoor temperature that indoor temperature detection device detects; T
outward: the outdoor environment temperature that outdoor temperature checkout gear detects; C:T
inwith the difference of design temperature; Coefficient A, B determine according to air-conditioning plasticator model.
Indoor temperature correction value is drawn, then in the running frequency controlling compressor according to the correction value of indoor environment by above-mentioned mode.Such as: actual indoor temperature is 25 DEG C, and design temperature is 18 DEG C, compressor frequency is originally 50HZ, but after being through indoor temperature correction, show that indoor temperature correction value is 22 DEG C, show that the running frequency of compressor is 35HZ for this temperature corrected value.
As shown in Figure 2, present embodiment additionally provides a kind of air-conditioner, and it comprises air-conditioning main control unit 1, indoor temperature detection device 2, outdoor temperature checkout gear 3 and frequency-changeable compressor 4.
Indoor temperature detection device 2 is for detecting indoor temperature, and outdoor temperature checkout gear 3 is for detecting outdoor environment temperature.
Air-conditioning main control unit 1 is for accepting operational order, and control indoor temperature detection device 2 and outdoor temperature checkout gear 3 and work, and the outdoor environment temperature that detects of the Indoor Temperature angle value detected according to indoor temperature detection device 2, outdoor temperature checkout gear 3 and design temperature carry out correction to the indoor temperature detected draws indoor correction temperature, then control the operation of frequency-changeable compressor 4 according to indoor correction temperature.
As preferably, indoor temperature detection device 2 and outdoor temperature checkout gear 3 are temperature sensor.
Below know-why of the present invention is described in conjunction with specific embodiments.These describe just in order to explain principle of the present invention, and can not be interpreted as limiting the scope of the invention by any way.Based on explanation herein, those skilled in the art does not need to pay performing creative labour can associate other detailed description of the invention of the present invention, and these modes all will fall within protection scope of the present invention.
Claims (7)
1. a method for intelligent control air-conditioning device cold operation, is characterized in that, comprises the following steps:
Steps A: after the refrigeration instruction that air-conditioning main control unit receives, control indoor temperature detection device and detect indoor temperature, outdoor temperature checkout gear detects outdoor environment temperature;
Step B: air-conditioning main control unit carries out correction according to indoor temperature, outdoor environment temperature and design temperature to the indoor temperature detected and draws indoor correction temperature;
Step C: air-conditioning main control unit controls the running frequency of compressor according to indoor correction temperature.
2. the method for intelligent control air-conditioning device according to claim 1 cold operation, is characterized in that, in step, outdoor temperature checkout gear and outdoor temperature checkout gear detect indoor temperature and outdoor environment temperature respectively in real time.
3. the method for intelligent control air-conditioning device according to claim 1 cold operation, it is characterized in that, also comprised before step B and judge whether outdoor environment temperature is less than the standard value of cryogenic refrigeration temperature, if continue operating procedure B and step C lower than the standard value of cryogenic refrigeration, otherwise it is constant to maintain former duty.
4. the method for intelligent control air-conditioning device according to claim 3 cold operation, is characterized in that, the span of described cryogenic refrigeration standard temperature is between 20 DEG C to 35 DEG C.
5. the method for intelligent control air-conditioning device according to claim 1 cold operation, is characterized in that, in stepb, the computational methods of indoor correction temperature are:
T
interior correction=A*T
in+ B*T
outward+ C
Wherein: T
in: the indoor temperature that indoor temperature detection device detects; T
outward: the outdoor environment temperature that outdoor temperature checkout gear detects; C:T
inwith the difference of design temperature; Coefficient A, B are the preset value relevant to compressor of air conditioner.
6. an air-conditioner, is characterized in that, comprises air-conditioning main control unit (1), indoor temperature detection device (2), outdoor temperature checkout gear (3) and frequency-changeable compressor (4);
Described indoor temperature detection device (2) is for detecting indoor temperature;
Described outdoor temperature checkout gear (3) is for detecting outdoor environment temperature;
Described air-conditioning main control unit (1) is for accepting operational order, and control indoor temperature detection device (2) and outdoor temperature checkout gear (3) work, and the outdoor environment temperature that detects of the Indoor Temperature angle value detected according to indoor temperature detection device (2), outdoor temperature checkout gear (3) and design temperature carry out correction to the indoor temperature detected draws indoor correction temperature, then control the operation of frequency-changeable compressor (4) according to indoor correction temperature.
7. air-conditioner according to claim 6, is characterized in that, described indoor temperature detection device (2) and outdoor temperature checkout gear (3) are temperature sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410690036.7A CN104406271A (en) | 2014-11-25 | 2014-11-25 | Method for intelligently controlling low-temperature operation of air conditioner and air conditioner |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410690036.7A CN104406271A (en) | 2014-11-25 | 2014-11-25 | Method for intelligently controlling low-temperature operation of air conditioner and air conditioner |
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| Publication Number | Publication Date |
|---|---|
| CN104406271A true CN104406271A (en) | 2015-03-11 |
Family
ID=52643919
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|---|---|---|---|
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104913451A (en) * | 2015-06-01 | 2015-09-16 | 广东美的制冷设备有限公司 | Control method of air conditioner |
| CN106371328A (en) * | 2016-11-07 | 2017-02-01 | 广东美的制冷设备有限公司 | Intelligent household electrical appliance control method and device |
| CN106705362A (en) * | 2016-12-26 | 2017-05-24 | 广东美的制冷设备有限公司 | Low-temperature refrigerating control method, controller and air conditioner |
| CN106940069A (en) * | 2017-03-16 | 2017-07-11 | 广东美的制冷设备有限公司 | The control method and system, air-conditioner of a kind of apparatus of air conditioning operation |
| CN107763809A (en) * | 2017-10-19 | 2018-03-06 | 广东美的制冷设备有限公司 | Air conditioner energy-saving temperature control method, air conditioner and storage medium |
| CN108592342A (en) * | 2018-05-02 | 2018-09-28 | 广东美的制冷设备有限公司 | Control method for frequency and frequency control apparatus, multi-split air conditioner and storage medium |
| WO2019095561A1 (en) * | 2017-11-14 | 2019-05-23 | 珠海格力电器股份有限公司 | Air conditioner control method, apparatus, and air conditioner |
| CN110864419A (en) * | 2019-11-29 | 2020-03-06 | 宁波奥克斯电气股份有限公司 | Air conditioner control method and device and air conditioner |
| US10941955B2 (en) | 2017-10-27 | 2021-03-09 | Dometic Sweden Ab | Systems, methods, and apparatuses for providing communications between climate control devices in a recreational vehicle |
| US11254183B2 (en) | 2017-08-25 | 2022-02-22 | Dometic Sweden Ab | Recreational vehicle, cooling device, controlling system and method for controlling the cooling device |
| CN115614905A (en) * | 2022-09-19 | 2023-01-17 | 珠海格力电器股份有限公司 | Air conditioner and indoor temperature prediction method and device thereof |
-
2014
- 2014-11-25 CN CN201410690036.7A patent/CN104406271A/en active Pending
Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104913451A (en) * | 2015-06-01 | 2015-09-16 | 广东美的制冷设备有限公司 | Control method of air conditioner |
| CN106371328A (en) * | 2016-11-07 | 2017-02-01 | 广东美的制冷设备有限公司 | Intelligent household electrical appliance control method and device |
| CN106371328B (en) * | 2016-11-07 | 2021-09-21 | 广东美的制冷设备有限公司 | Control method and device of intelligent household appliance |
| CN106705362A (en) * | 2016-12-26 | 2017-05-24 | 广东美的制冷设备有限公司 | Low-temperature refrigerating control method, controller and air conditioner |
| CN106940069A (en) * | 2017-03-16 | 2017-07-11 | 广东美的制冷设备有限公司 | The control method and system, air-conditioner of a kind of apparatus of air conditioning operation |
| US11919363B2 (en) | 2017-08-25 | 2024-03-05 | Dometic Sweden Ab | Recreational vehicle, cooling device, controlling system and method for controlling the cooling device |
| US11254183B2 (en) | 2017-08-25 | 2022-02-22 | Dometic Sweden Ab | Recreational vehicle, cooling device, controlling system and method for controlling the cooling device |
| CN107763809A (en) * | 2017-10-19 | 2018-03-06 | 广东美的制冷设备有限公司 | Air conditioner energy-saving temperature control method, air conditioner and storage medium |
| CN107763809B (en) * | 2017-10-19 | 2020-02-11 | 广东美的制冷设备有限公司 | Energy-saving temperature control method for air conditioner, air conditioner and storage medium |
| US10941955B2 (en) | 2017-10-27 | 2021-03-09 | Dometic Sweden Ab | Systems, methods, and apparatuses for providing communications between climate control devices in a recreational vehicle |
| EP3712532A4 (en) * | 2017-11-14 | 2021-08-04 | Gree Electric Appliances, Inc. of Zhuhai | Air conditioner control method, apparatus, and air conditioner |
| WO2019095561A1 (en) * | 2017-11-14 | 2019-05-23 | 珠海格力电器股份有限公司 | Air conditioner control method, apparatus, and air conditioner |
| US11333386B2 (en) | 2017-11-14 | 2022-05-17 | Gree Electric Appliances, Inc. Of Zhuhai | Method and apparatus for controlling air conditioner and air conditioner |
| CN108592342B (en) * | 2018-05-02 | 2020-09-01 | 广东美的制冷设备有限公司 | Frequency control method and frequency control device, multi-split air conditioner and storage medium |
| CN108592342A (en) * | 2018-05-02 | 2018-09-28 | 广东美的制冷设备有限公司 | Control method for frequency and frequency control apparatus, multi-split air conditioner and storage medium |
| CN110864419B (en) * | 2019-11-29 | 2020-12-22 | 宁波奥克斯电气股份有限公司 | Air conditioner control method and device and air conditioner |
| CN110864419A (en) * | 2019-11-29 | 2020-03-06 | 宁波奥克斯电气股份有限公司 | Air conditioner control method and device and air conditioner |
| CN115614905A (en) * | 2022-09-19 | 2023-01-17 | 珠海格力电器股份有限公司 | Air conditioner and indoor temperature prediction method and device thereof |
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Application publication date: 20150311 |