CN104748237A - Air-conditioner control system and method - Google Patents
Air-conditioner control system and method Download PDFInfo
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- CN104748237A CN104748237A CN201510150274.3A CN201510150274A CN104748237A CN 104748237 A CN104748237 A CN 104748237A CN 201510150274 A CN201510150274 A CN 201510150274A CN 104748237 A CN104748237 A CN 104748237A
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- return air
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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
-
- 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
- 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
-
- 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)
- Fuzzy Systems (AREA)
- Mathematical Physics (AREA)
- Signal Processing (AREA)
- Life Sciences & Earth Sciences (AREA)
- Atmospheric Sciences (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The invention relates to the technical field of air-conditioners, in particular to an air-conditioner control system and method. The system comprises an outdoor unit, an indoor unit and a measuring and controlling unit, wherein a first air return port, a second air return port and an air outlet are connected to the indoor unit, the first air return port is communicated with a room, the second air return port is communicated with the outside, an air return motor is arranged in the indoor unit and is connected with an air return baffle, the air return baffle is used for controlling the first air return port and the second air return port to be opened and closed, the measuring and controlling unit comprises an indoor temperature sensor, an outdoor temperature sensor and a main control panel, and the main control panel is electrically connected with the indoor temperature sensor, the outdoor temperature sensor, the outdoor unit and the air return motor. According to the system, indoor refrigeration or heating is achieved by means of indoor and outdoor temperature difference, the working time of an air-conditioner refrigerating and heating system is effectively shortened, energy is saved, and environmental friendliness is realized.
Description
Technical field
The present invention relates to air-conditioning technical field, particularly relate to a kind of air-conditioner control system and control method.
Background technology
Air-conditioning is the abbreviation of air regulator, is the temperature to air, humidity, degree of purity, air velocity process, and meets that people produce, the equipment of living needs.Along with improving constantly of expanding economy and scientific and technological level, people more and more focus on the energy-efficient performance of air-conditioning.
At present, existing air-conditioning, in refrigeration or when heating, usually just relies on the parts such as compressor to carry out high power running, so not only can consume a large amount of electric energy, and also can spend plenty of time and power consumption in refrigeration with when heating.Trace it to its cause, air-conditioning is that simple self parts that utilize carry out refrigeration and heat in the running, does not utilize the environmental condition of indoor and outdoor fully, such as: when winter, daytime was sunny, outdoor intensification, than indoor quick heating, now can utilize air-flow that hot outdoor air is reached indoor and heat; Night in summer or rainy time, outdoor temperature dropping is faster than room temperature lowering, now can utilize air-flow that outdoor cold air is reached indoor and freeze.Therefore, can't realize in prior art utilizing the temperature difference of indoor and outdoor to carry out cooling and warming, cannot reach and reduce time of heating of air conditioner refrigerating and energy-efficient function.
Summary of the invention
(1) technical problem that will solve
The technical problem to be solved in the present invention how to heat the time, to realize the problem of efficient energy-saving by utilizing the temperature difference of indoor and outdoor to reduce air conditioner refrigerating.
(2) technical scheme
In order to solve the problems of the technologies described above, the invention provides a kind of air-conditioner control system, it comprises:
Off-premises station,
The indoor set be connected with off-premises station, described indoor set is connected with air outlet, the first return air inlet and the second return air inlet, and described first return air inlet is communicated in indoor, and described second return air inlet is communicated in outdoor; In described indoor set, be provided with return air motor, described return air motor is connected with return air baffle plate, and described return air baffle plate is for controlling the keying of described first return air inlet and the second return air inlet;
Measurement and control unit, comprises indoor temperature transmitter, outdoor temperature sensor and master control borad, and described master control borad is electrically connected with indoor temperature transmitter, outdoor temperature sensor, off-premises station and return air motor respectively.
Wherein, described measurement and control unit also comprises controller, and described controller is electrically connected with master control borad, and described master control borad is arranged on the outer wall of indoor set.
Wherein, be provided with the cavity be communicated with described first return air inlet, the second return air inlet and air outlet in described indoor set, in described cavity, be provided with indoor fan.
Wherein, return air duct is connected with between described first return air inlet and the second return air inlet, described return air duct is provided with and exports with the return air duct of described indoor set cavity connects, described return air baffle plate is arranged at return air duct outlet, and described return air motor drives described return air baffle plate to swing in return air duct outlet.
Wherein, described indoor fan and described return air duct export and are oppositely arranged.
Wherein, described off-premises station comprises the outdoor fan and compressor that are electrically connected with master control borad respectively, and described outdoor fan and compressor are all connected with described indoor set.
In addition, the present invention also provides a kind of air conditioning control method, and it comprises the steps:
S1, air-conditioning to be opened as energy saver mode, and preset indoor/outdoor temperature-difference T;
S2, detect actual outdoor temperature T by outdoor temperature sensor
1, detect actual indoor temperature T by indoor temperature transmitter
2, and the temperature information detected separately is fed back in master control borad;
S3, master control borad are by outdoor temperature T
1with indoor temperature T
2difference and preset indoor/outdoor temperature-difference T contrast, and according to comparing result control off-premises station, return air motor action.
Wherein, step S3 comprises: if S31 air-conditioning T in cooling mode
2-T
1>=T or in a heating mode T
1-T
2during>=T, return air motor drives return air flapper closure first return air inlet, and opens the second return air inlet, and meanwhile, off-premises station quits work; Now, air conditioner refrigerating or heating do not start, and to lower the temperature or heat up, until air-conditioning T in cooling mode by means of only outside return air to indoor
2-T
1t under < T or heating mode
1-T
2during < T, perform following steps S32;
If S32 air-conditioning T in cooling mode
2-T
1< T or in a heating mode T
1-T
2during < T, return air motor action, drives return air baffle plate to open the first return air inlet, and closes the second return air inlet; Meanwhile, open off-premises station, air conditioner refrigerating or heating start.
Wherein, described step S1 comprises: opened air-conditioning for energy saver mode by controller, and carry out self-defined adjustment to the indoor/outdoor temperature-difference T preset.
(3) beneficial effect
Technique scheme of the present invention has following beneficial effect: the invention provides a kind of air-conditioner control system, first return air inlet is communicated with indoor, second return air inlet is communicated with outdoor, and the switching utilizing return air baffle plate to realize between the first return air inlet and the second return air inlet, thus be beneficial to the wind regime controlling return air inlet; In addition, the present invention returns provides a kind of air conditioning control method, by the control to above-mentioned return air inlet, achieve and utilize indoor/outdoor temperature-difference to carry out freezing or heating, not only effectively reduce the working time of air conditioner refrigerating heating, and also a saving electric energy, reach the effect of energy-conserving and environment-protective.
Accompanying drawing explanation
Fig. 1 is the structure principle chart of embodiment of the present invention air-conditioner control system;
Fig. 2 is the flow diagram of example air conditioning control method of the present invention.
Wherein, 1: indoor set; 2: off-premises station; 3: outdoor temperature sensor; 4: indoor temperature transmitter; 5: controller; 11: master control borad; 12: indoor fan; 13: return air baffle plate; 14: return air motor; 16: air outlet; 21: outdoor fan; 22: compressor; 151: the first return air inlets; 152: the second return air inlets.
Detailed description of the invention
Below in conjunction with drawings and Examples, embodiments of the present invention are described in further detail.Following examples for illustration of the present invention, but can not be used for limiting the scope of the invention.
In describing the invention, it should be noted that, except as otherwise noted, the implication of " multiple " is two or more; Term " on ", D score, "left", "right", " interior ", " outward ", " front end ", " rear end ", " head ", the orientation of the instruction such as " afterbody " or position relationship be based on orientation shown in the drawings or position relationship, only the present invention for convenience of description and simplified characterization, instead of indicate or imply that the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore can not be interpreted as limitation of the present invention.In addition, term " first ", " second ", " the 3rd " etc. only for describing object, and can not be interpreted as instruction or hint relative importance.
In describing the invention, also it should be noted that, unless otherwise clearly defined and limited, term " installation ", " being connected ", " connection " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or connect integratedly; Can be mechanical connection, also can be electrical connection; Can be directly be connected, also indirectly can be connected by intermediary.For the ordinary skill in the art, visual concrete condition understands above-mentioned term concrete meaning in the present invention.
As shown in Figure 1, the air-conditioner control system that the present embodiment provides comprises: off-premises station 2, indoor set 1 and measurement and control unit; Wherein, off-premises station 2 is connected with indoor set 1, constitutes the refrigerating and heating systems of air-conditioning, and air-conditioning can be run in cooling or heating mode; Indoor set 1 is provided with the first return air inlet 151, second return air inlet 152 and air outlet 16; First return air inlet 151 is communicated in indoor, and indoor air-flow can be made to enter indoor set 1; Second return air inlet 152 is communicated in outdoor, and outdoor air-flow can be made to enter indoor set 1; The air-flow entering to indoor set 1 is discharged by air outlet 16.And be provided with return air motor 14 in the inside of indoor set 1, return air motor 14 is connected with return air baffle plate 13, for driving return air baffle plate 13 action, return air baffle plate 13 is for controlling the keying of the first return air inlet 151 and the second return air inlet 152, and automaticity is high, easy to operate, be beneficial to control wind regime.
Measurement and control unit comprises indoor temperature transmitter 4, outdoor temperature sensor 3 and master control borad 11, master control borad 11 is electrically connected with indoor temperature transmitter 4, outdoor temperature sensor 3, off-premises station 2 and return air motor 14 respectively, thus realizes carrying out Intelligent control to each parts.Wherein, indoor temperature transmitter 4 is arranged at indoor, for detecting indoor temperature and feeding back to master control borad 11; Outdoor temperature sensor 3 is arranged at outdoor, for detecting outdoor temperature and feeding back to master control borad 11.Achieve and utilize indoor/outdoor temperature-difference to carry out freezing or heating, not only effectively reduce the working time of air conditioner refrigerating heating, and also a saving electric energy, reach the effect of energy-conserving and environment-protective.
In addition, this measurement and control unit also comprises controller 5, and controller 5 is electrically connected with master control borad 11, for controlling in real time master control borad 11, comprises the input of self-defined indoor/outdoor temperature-difference and parameters; Master control borad 11 is arranged on the outer wall of indoor set 1.
Preferably, master control borad 11 can be display panels, is convenient to human-computer exchange.
For indoor set, its inside is provided with the cavity be communicated with the first return air inlet 151, second return air inlet 152 and air outlet 16, and in cavity, be provided with indoor fan 12.Indoor fan 12 for carrying out drainage to the first return air inlet 151 and the second return air inlet 152, and makes air-flow discharge through air outlet 16.
In addition, between the first return air inlet 151 and the second return air inlet 152, be connected with return air duct, and be provided with on return air duct and export with the return air duct of indoor set 1 cavity connects; That is, one end of return air duct is communicated with the second return air inlet 152, and the other end is communicated with the first return air inlet 151, and is provided with an outlet at the middle part of return air duct, the cavity connects of itself and indoor set 1; Corresponding, return air baffle plate 13 is arranged at return air duct exit, and swing under the driving of return air motor 14, thus realize switching first return air inlet 151 and the second return air inlet 152, such as: when the first return air inlet 151 opened by needs, when closing the second return air inlet 152, return air motor 14 drives return air baffle plate 13 to swing near the direction of the second return air inlet 152, thus the part that return air duct is communicated with the second return air inlet 152 is completed sealing; When the second return air inlet 152 opened by needs, when closing the first return air inlet 151, return air motor 14 drives return air baffle plate 13 to swing near the direction of the first return air inlet 151, thus the part that return air duct is communicated with the first return air inlet 151 is completed sealing.
And indoor fan 12 and return air duct export and are oppositely arranged, so that drainage and heat exchange action.
Certainly, for the control of return air inlet wind regime except utilizing above-mentioned this motor, baffle arrangement, also valve or air door structure can be adopted, such as: the first valve can be provided with at the first return air inlet 151 place, the second valve is provided with at the second return air inlet 152 place, first valve is all electrically connected with master control borad 11 with the second valve, can carry out automatic shutter under the control of master control borad 11.
Off-premises station 2 in the present embodiment comprises the outdoor fan 21 and compressor 22 that are electrically connected with master control borad 11 respectively, and outdoor fan 21 is all connected with indoor set 1 with compressor 22, thus the refrigerating and heating systems of air-conditioning.
What deserves to be explained is, the air-conditioner control system in the present embodiment is not limited to certain particular form, and the shape of each parts and size all can be arranged flexibly, realizes being undertaken freezing or heat-production functions by indoor/outdoor temperature-difference as long as can meet.In addition; the optimization that those skilled in the art carry out on the basis of said structure belongs to protection scope of the present invention too with amendment; such as: in order to prevent outdoor impurity and dust from entering, screen pack or other cleaning equipments etc. can be increased at the second return air inlet 152 place.
As shown in Figure 2, the present invention also provides a kind of air conditioning control method, and it comprises the steps:
S1, air-conditioning to be opened as energy saver mode, and preset indoor/outdoor temperature-difference T;
Concrete, by controller, air-conditioning is opened as energy saver mode, and self-defined adjustment (weather conditions according to location are arranged flexibly, or directly the indoor/outdoor temperature-difference that arranges of default factory) is carried out to the indoor/outdoor temperature-difference T preset;
S2, detect actual outdoor temperature T by outdoor temperature sensor
1, detect actual indoor temperature T by indoor temperature transmitter
2, and the temperature information detected separately is fed back in master control borad;
S3, master control borad are by outdoor temperature T
1with indoor temperature T
2difference and preset indoor/outdoor temperature-difference T contrast, and according to comparing result control off-premises station, return air motor action; Wherein step S3 comprises following two kinds of situations:
If S31 air-conditioning T in cooling mode
2-T
1>=T or in a heating mode T
1-T
2during>=T, return air motor drives return air flapper closure first return air inlet, and opens the second return air inlet, and meanwhile, off-premises station (outdoor fan and compressor) quits work; Now, air conditioner refrigerating or heating do not start, and to lower the temperature or heat up, until air-conditioning T in cooling mode by means of only outside return air to indoor
2-T
1t under < T or heating mode
1-T
2during < T, perform following steps S32;
If S32 air-conditioning T in cooling mode
2-T
1< T or in a heating mode T
1-T
2during < T, return air motor drives return air baffle plate to open the first return air inlet, and closes the second return air inlet; Meanwhile, open off-premises station (outdoor fan and compressor), air conditioner refrigerating or heating start.
In sum, the invention provides a kind of air-conditioner control system, the first return air inlet is communicated with indoor, and the second return air inlet is communicated with outdoor, and the switching utilizing return air baffle plate to realize between the first return air inlet and the second return air inlet, thus be beneficial to the wind regime controlling return air inlet; In addition, the present invention returns provides a kind of air conditioning control method, by the control to above-mentioned return air inlet, achieve and utilize indoor/outdoor temperature-difference to carry out freezing or heating, not only effectively reduce the working time of air conditioner refrigerating heating, and also a saving electric energy, reach the effect of energy-conserving and environment-protective.
Embodiments of the invention provide in order to example with for the purpose of describing, and are not exhaustively or limit the invention to disclosed form.Many modifications and variations are apparent for the ordinary skill in the art.Selecting and describing embodiment is in order to principle of the present invention and practical application are better described, and enables those of ordinary skill in the art understand the present invention thus design the various embodiments with various amendment being suitable for special-purpose.
Claims (9)
1. an air-conditioner control system, is characterized in that, comprising:
Off-premises station (2),
The indoor set (1) be connected with off-premises station (2), described indoor set (1) is provided with air outlet (16), the first return air inlet (151) and the second return air inlet (152), described first return air inlet (151) is communicated in indoor, and described second return air inlet (152) is communicated in outdoor; Return air motor (14) is provided with in described indoor set (1), described return air motor (14) is connected with return air baffle plate (13), and described return air baffle plate (13) is for controlling the keying of described first return air inlet (151) and the second return air inlet (152);
Measurement and control unit, comprise indoor temperature transmitter (4), outdoor temperature sensor (3) and master control borad (11), described master control borad (11) is electrically connected with indoor temperature transmitter (4), outdoor temperature sensor (3), off-premises station (2) and return air motor (14) respectively.
2. air-conditioner control system according to claim 1, it is characterized in that, described measurement and control unit also comprises controller (5), described controller (5) is electrically connected with master control borad (11), and described master control borad (11) is arranged on the outer wall of indoor set (1).
3. air-conditioner control system according to claim 1, it is characterized in that, be provided with the cavity be communicated with described first return air inlet (151), the second return air inlet (152) and air outlet (16) in described indoor set (1), in described cavity, be provided with indoor fan (12).
4. air-conditioner control system according to claim 3, it is characterized in that, return air duct is connected with between described first return air inlet (151) and the second return air inlet (152), described return air duct is provided with and exports with the return air duct of described indoor set (1) cavity connects, described return air baffle plate (13) is arranged at return air duct outlet, and described return air motor (14) drives described return air baffle plate (13) to swing in return air duct outlet.
5. air-conditioner control system according to claim 4, is characterized in that, described indoor fan (12) and described return air duct export and be oppositely arranged.
6. air-conditioner control system according to claim 1, it is characterized in that, described off-premises station (2) comprises the outdoor fan (21) and compressor (22) that are electrically connected with master control borad (11) respectively, and described outdoor fan (21) is all connected with described indoor set (1) with compressor (22).
7. an air conditioning control method, is characterized in that, comprises the steps:
S1, air-conditioning to be opened as energy saver mode, and preset indoor/outdoor temperature-difference T;
S2, detect actual outdoor temperature T by outdoor temperature sensor
1, detect actual indoor temperature T by indoor temperature transmitter
2, and the temperature information detected separately is fed back in master control borad;
S3, master control borad are by outdoor temperature T
1with indoor temperature T
2difference and preset indoor/outdoor temperature-difference T contrast, and according to comparing result control off-premises station, return air motor action.
8. air conditioning control method according to claim 7, is characterized in that, step S3 comprises:
If S31 air-conditioning T in cooling mode
2-T
1>=T or in a heating mode T
1-T
2during>=T, return air motor drives return air flapper closure first return air inlet, and opens the second return air inlet, and meanwhile, off-premises station quits work; Now, air conditioner refrigerating or heating do not start, and to lower the temperature or heat up, until air-conditioning T in cooling mode by means of only outside return air to indoor
2-T
1t under < T or heating mode
1-T
2during < T, perform following steps S32;
If S32 air-conditioning T in cooling mode
2-T
1< T or in a heating mode T
1-T
2during < T, return air motor action, drives return air baffle plate to open the first return air inlet, and closes the second return air inlet; Meanwhile, open off-premises station, air conditioner refrigerating or heating start.
9. air conditioning control method according to claim 7, is characterized in that, described step S1 comprises: opened air-conditioning for energy saver mode by controller, and carry out self-defined adjustment to the indoor/outdoor temperature-difference T preset.
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| CN201510150274.3A CN104748237B (en) | 2015-03-31 | 2015-03-31 | A kind of air-conditioner control system and control method |
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| CN201510150274.3A CN104748237B (en) | 2015-03-31 | 2015-03-31 | A kind of air-conditioner control system and control method |
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| CN104748237B CN104748237B (en) | 2017-09-15 |
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| CN105091235A (en) * | 2015-08-18 | 2015-11-25 | 无锡乐华自动化科技有限公司 | Temperature control method utilizing indoor and outdoor temperature difference |
| CN105115104A (en) * | 2015-08-18 | 2015-12-02 | 无锡乐华自动化科技有限公司 | Indoor temperature control device |
| CN105180278A (en) * | 2015-09-02 | 2015-12-23 | 广东美的制冷设备有限公司 | Floor-type split air conditioner |
| CN106247538A (en) * | 2016-08-09 | 2016-12-21 | 金粤幕墙装饰工程有限公司 | Integrally wind-transformation induced intelligent constant temperature ecology lighting ceiling and temperature control method |
| CN107642886A (en) * | 2017-10-02 | 2018-01-30 | 广东美的制冷设备有限公司 | New blower fan and air conditioning linkend system and its control method, device and storage medium |
| CN107702285A (en) * | 2017-10-02 | 2018-02-16 | 广东美的制冷设备有限公司 | New blower fan and air conditioning linkend system and its control method, device and storage medium |
| CN107990407A (en) * | 2016-10-26 | 2018-05-04 | 青岛海尔空调器有限总公司 | The control method of indoor heat-exchanger rig, air conditioner and air conditioner |
| CN110319499A (en) * | 2018-03-30 | 2019-10-11 | 珠海格力电器股份有限公司 | Indoor unit of air conditioner |
| CN111089335A (en) * | 2019-12-03 | 2020-05-01 | 珠海格力电器股份有限公司 | Air conditioner, method and device thereof and storage medium |
| US20210095868A1 (en) * | 2018-04-23 | 2021-04-01 | Gree Electric Appliances, Inc. Of Zhuhai | Air conditioning system and method for controlling same |
| CN113654180A (en) * | 2021-08-30 | 2021-11-16 | 南京福加自动化科技有限公司 | Efficient energy-saving intelligent control system for environmental air conditioner |
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