CN111237973A - Air conditioner heat dissipation control system and method and air conditioning equipment - Google Patents

Air conditioner heat dissipation control system and method and air conditioning equipment Download PDF

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Publication number
CN111237973A
CN111237973A CN202010060573.9A CN202010060573A CN111237973A CN 111237973 A CN111237973 A CN 111237973A CN 202010060573 A CN202010060573 A CN 202010060573A CN 111237973 A CN111237973 A CN 111237973A
Authority
CN
China
Prior art keywords
throttling
driving module
temperature
heat dissipation
preset interval
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202010060573.9A
Other languages
Chinese (zh)
Inventor
杨林
陈英杰
张辉
王新亮
邹俊超
陈虎
宋艳超
陈博懋
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Gree Electric Appliances Inc of Zhuhai
Original Assignee
Gree Electric Appliances Inc of Zhuhai
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Gree Electric Appliances Inc of Zhuhai filed Critical Gree Electric Appliances Inc of Zhuhai
Priority to CN202010060573.9A priority Critical patent/CN111237973A/en
Publication of CN111237973A publication Critical patent/CN111237973A/en
Pending legal-status Critical Current

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00Control or safety arrangements
    • F24F11/30Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
    • F24F11/32Responding to malfunctions or emergencies
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00Control or safety arrangements
    • F24F11/62Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
    • F24F11/63Electronic processing
    • F24F11/64Electronic processing using pre-stored data
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00Control or safety arrangements
    • F24F11/70Control systems characterised by their outputs; Constructional details thereof
    • F24F11/80Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air
    • F24F11/83Control 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
    • F24F11/84Control 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
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00Control or safety arrangements
    • F24F11/88Electrical aspects, e.g. circuits
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/22Means for preventing condensation or evacuating condensate
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K7/00Constructional details common to different types of electric apparatus
    • H05K7/20Modifications to facilitate cooling, ventilating, or heating
    • H05K7/2029Modifications to facilitate cooling, ventilating, or heating using a liquid coolant with phase change in electronic enclosures
    • H05K7/20354Refrigerating circuit comprising a compressor
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/22Means for preventing condensation or evacuating condensate
    • F24F2013/221Means for preventing condensation or evacuating condensate to avoid the formation of condensate, e.g. dew

Abstract

The invention discloses an air conditioner heat dissipation control system and method and air conditioning equipment. Wherein, this system includes: the first throttling element is arranged on a main path between the outdoor heat exchanger and the indoor heat exchanger, one end of the first throttling element is connected with the outdoor heat exchanger, and the other end of the first throttling element is connected with the second throttling element; the second throttling element is connected with the indoor heat exchanger; the driving module and the third throttling element are connected in series and then arranged on a branch, the branch is led out from the position between the first throttling element and the second throttling element to the gas-liquid separator, and the driving module is connected with the gas-liquid separator. The invention adds a branch circuit from the main circuit of the air-conditioning system to dissipate heat of the driving module, thereby improving the heat dissipation effect of the driving module when the air-conditioning operates in refrigeration and heating. And meanwhile, the flow control of the branch is ensured, and the condensation on the surface of the driving module is prevented.

Description

Air conditioner heat dissipation control system and method and air conditioning equipment
Technical Field
The invention relates to the technical field of units, in particular to an air conditioner heat dissipation control system and method and air conditioning equipment.
Background
Inverter air conditioner is popularized gradually in the market, and full direct current inverter air conditioner needs the operation of dedicated drive controller in order to drive compressor or motor, and when compressor or motor operation, drive controller's module can produce the heat, if this part heat can not in time be dispelled, can lead to the module temperature to last rising, causes the module to damage.
In view of the above situation, if an air-cooled heat dissipation mode is adopted, the heat dissipation effect is worse under the high-temperature climate condition, so that the driving module works at a high temperature for a long time, and the reliability of the module is greatly influenced. And for some water source air conditioning units, an air cooling heat dissipation mode cannot be adopted, so some variable frequency air conditioners begin to adopt a refrigerant heat dissipation mode to dissipate heat of the driving module.
However, the conventional refrigerant heat dissipation method cannot control the refrigerant flow, thereby affecting the heat dissipation effect and easily generating condensation.
Aiming at the problem that the flow control cannot be carried out by a refrigerant heat dissipation mode in the prior art, an effective solution is not provided at present.
Disclosure of Invention
The embodiment of the invention provides an air conditioner heat dissipation control system, an air conditioner heat dissipation control method and air conditioning equipment, and aims to solve the problem that in the prior art, the flow control cannot be performed in a refrigerant heat dissipation mode.
In order to solve the above technical problem, the present invention provides an air conditioner heat dissipation control system, wherein the system comprises: the first throttling element is arranged on a main path between the outdoor heat exchanger and the indoor heat exchanger, one end of the first throttling element is connected with the outdoor heat exchanger, and the other end of the first throttling element is connected with the second throttling element; the second throttling element is connected with the indoor heat exchanger; the driving module and the third throttling element are connected in series and then arranged on a branch, the branch is led out from the position between the first throttling element and the second throttling element to the gas-liquid separator, and the driving module is connected with the gas-liquid separator.
Further, the third throttling element is configured to adjust the number of steps according to the temperature of the driving module, decrease the number of steps when the temperature of the driving module is lower than a preset interval, and increase the number of steps when the temperature of the driving module exceeds the preset interval.
Further, the system further comprises: and the temperature sensor is arranged on the driving module and used for monitoring the temperature of the driving module.
Further, the system further comprises: and the D end of the four-way valve is connected with the compressor, the C end of the four-way valve is connected with the outdoor heat exchanger, the E end of the four-way valve is connected with the indoor heat exchanger, and the S end of the four-way valve is connected with the gas-liquid separator.
Further, the first throttling element, the second throttling element and the third throttling element are electronic expansion valves.
The invention also provides air conditioning equipment, wherein the air conditioning equipment comprises the air conditioning heat dissipation control system.
The invention also provides an air conditioner heat dissipation control method, which is applied to the air conditioner heat dissipation control system, wherein the method comprises the following steps: monitoring the temperature of a driving module in an air conditioner heat dissipation control system; if the temperature of the driving module is in a preset interval, maintaining the step number of a third throttling element in the air-conditioner heat dissipation control system; if the temperature of the driving module is not in a preset interval, adjusting the step number of the third throttling element; and the third current-regulating element is positioned on a branch circuit where the driving module is positioned.
Further, if the temperature of the driving module is not within a preset interval, adjusting the number of steps of the third throttling element includes: if the temperature of the driving module is lower than the minimum value of the preset interval, reducing the step number of the third throttling element; and if the temperature of the driving module is higher than the maximum value of the preset interval, increasing the step number of the third throttling element.
Further, if the temperature of the driving module is lower than the minimum value of the preset interval, the step number of the third throttling element is reduced, and the method is realized through the following formula: number of steps P to be reducedReducingA (minimum value of a preset interval-temperature of the driving module); wherein A is a constant.
Further, if the temperature of the driving module is higher than the maximum value of the preset interval, increasing the number of steps of the third throttling element, and implementing the following formula: requiring an increased number of steps PIncrease(maximum value of temperature-preset interval of the driving module) B; wherein B is a constant.
The present invention also provides a computer-readable storage medium having a computer program stored thereon, wherein the program, when executed by a processor, implements the above-described air conditioner heat dissipation control method.
By applying the technical scheme of the invention, a branch circuit is additionally arranged from the main circuit of the air-conditioning system to dissipate heat of the driving module, so that the heat dissipation effect of the driving module is improved when the air conditioner operates in refrigeration and heating. And meanwhile, the flow control of the branch is ensured, and the condensation on the surface of the driving module is prevented.
Drawings
Fig. 1 is a schematic diagram of an architecture of an air conditioner heat dissipation control system according to an embodiment of the present invention;
fig. 2 is a flowchart of an air conditioner heat dissipation control method according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in further detail with reference to the accompanying drawings, and it is apparent that the described embodiments are only a part of the embodiments of the present invention, not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The terminology used in the embodiments of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used in the examples of the present invention and the appended claims, the singular forms "a", "an", and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise, and "a plurality" typically includes at least two.
It should be understood that the term "and/or" as used herein is merely one type of association that describes an associated object, meaning that three relationships may exist, e.g., a and/or B may mean: a exists alone, A and B exist simultaneously, and B exists alone. In addition, the character "/" herein generally indicates that the former and latter related objects are in an "or" relationship.
The words "if", as used herein, may be interpreted as "at … …" or "at … …" or "in response to a determination" or "in response to a detection", depending on the context. Similarly, the phrases "if determined" or "if detected (a stated condition or event)" may be interpreted as "when determined" or "in response to a determination" or "when detected (a stated condition or event)" or "in response to a detection (a stated condition or event)", depending on the context.
It is also noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that an article or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such article or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in the article or device in which the element is included.
Alternative embodiments of the present invention are described in detail below with reference to the accompanying drawings.
Example 1
Fig. 1 is a schematic diagram of an architecture of an air conditioner heat dissipation control system according to an embodiment of the present invention, and as shown in fig. 1, the system includes:
a first throttling element (namely an electronic expansion valve 1 in the figure) which is arranged on a main path between the outdoor heat exchanger and the indoor heat exchanger, one end of the first throttling element is connected with the outdoor heat exchanger, and the other end of the first throttling element is connected with a second throttling element; the second throttling element (namely an electronic expansion valve 2 in the figure) is connected with the indoor heat exchanger; the driving module and the third throttling element (namely an electronic expansion valve 3 in the figure) are connected in series and then are arranged on a branch, the branch is led out from the position between the first throttling element and the second throttling element to the gas-liquid separator, and the driving module is connected with the gas-liquid separator.
The application provides an air conditioner heat dissipation control system, a branch road circulation is newly increased from air conditioning system's main road circulation, utilizes the refrigerant in this branch road circulation to dispel the heat to drive module, improves air conditioner refrigeration, heats the radiating effect of operation drive module.
In addition, in order to prevent the condensation on the surface of the driving module, a third throttling element is arranged on the branch circulation, so that the flow control of the branch is realized. The third throttling element is used for adjusting the step number according to the temperature of the driving module, reducing the step number when the temperature of the driving module is lower than a preset interval, and increasing the step number when the temperature of the driving module exceeds the preset interval.
The first throttling component, the second throttling component and the third throttling component mentioned in this embodiment may be electronic expansion valves or other throttling components as long as the flow rate of the branch can be controlled.
In order to master the temperature change of the driving module in real time, the system is also provided with: and the temperature sensor is arranged on the driving module and used for monitoring the temperature of the driving module.
The above system further comprises: and the D end of the four-way valve is connected with the compressor, the C end of the four-way valve is connected with the outdoor heat exchanger, the E end of the four-way valve is connected with the indoor heat exchanger, and the S end of the four-way valve is connected with the gas-liquid separator. The method is used for realizing the heating operation and the cooling operation of the air conditioning equipment.
The cooling operation principle and the heating operation principle of the air conditioner heat dissipation control system are respectively described below.
1) Principle of refrigeration operation
The refrigerant is compressed by the compressor and then becomes high-temperature high-pressure gas, at the moment, the four-way valve is in a power-off state, the refrigerant is cooled by the outdoor heat exchanger and then becomes medium-temperature liquid, the refrigerant in the main path is throttled and depressurized by the electronic expansion valve 1 and then evaporated by the indoor heat exchanger, the refrigerant in the branch path is throttled and depressurized by the one-way valve 1, and then is throttled and depressurized by the electronic expansion valve 2 and then passes through the driving module to evaporate and absorb the. The low-temperature low-pressure gaseous refrigerant is evaporated in the indoor heat exchanger and the driving module respectively, then returns to the vapor-liquid separator through the four-way valve, and finally returns to the suction side of the compressor.
2) Principle of heating operation
The refrigerant is compressed by the compressor and then becomes high-temperature and high-pressure gas, at the moment, the four-way valve is in a power-on state, the refrigerant reaches the indoor heat exchanger through the four-way valve and is cooled and then becomes medium-temperature liquid, the refrigerant of the main path is throttled and depressurized by the electronic expansion valve 1 and then is evaporated by the outdoor heat exchanger, the refrigerant of the branch path passes through the one-way valve 2, is throttled and depressurized by the electronic expansion valve 2 and then passes through the driving module, and the heat. The low-temperature low-pressure gaseous refrigerant is evaporated in the outdoor heat exchanger and the driving module respectively, then returns to the vapor-liquid separator through the four-way valve, and finally returns to the suction side of the compressor.
The embodiment also provides an air conditioning device, which comprises the air conditioning heat dissipation control system introduced above. The indoor unit of the air conditioning equipment has no throttling component, and the air conditioning equipment is generally of a multi-split air conditioner type, and an electronic expansion valve is generally arranged at an indoor heat exchanger of the multi-split air conditioner type.
Example 2
Fig. 2 is a flowchart of an air conditioner heat dissipation control method according to an embodiment of the present invention, which is applied to an air conditioner heat dissipation control system, and as shown in fig. 2, the method includes:
step S201, monitoring the temperature of a driving module in an air conditioner heat dissipation control system;
step S202, if the temperature of the driving module is in a preset interval, maintaining the step number of a third throttling element in the air-conditioning heat dissipation control system;
step S203, if the temperature of the driving module is not in the preset interval, adjusting the step number of the third throttling element; and the third throttling element is positioned on a branch circuit where the driving module is positioned.
At the air conditioner operation in-process, directly adopt the refrigerant of system low pressure side to dispel the heat and can take place the condensation problem on the drive module surface, and flow control is carried out through the branch road to drive module place to this embodiment to prevent that the condensation on drive module surface from taking place.
The preset interval in this embodiment refers to an optimal temperature interval of the driving module in a normal operating state. How to adjust the number of steps of the third throttling element is described below.
If the temperature of the driving module is lower than the minimum value of the preset interval, reducing the step number of the third throttling element; number of steps P to be reducedReducingA (minimum value of a preset interval-temperature of the driving module); wherein A is a constant. The value of A can be set according to actual requirements. After calculating the number of steps P to be reducedReducingThen, the current number of steps is subtracted by PReducingThe adjusted number of steps is obtained.
And if the temperature of the driving module is higher than the maximum value of the preset interval, increasing the step number of the third throttling element. Requiring an increased number of steps PIncreaseB (maximum value of temperature-preset interval of driving module); wherein B is a constant. When calculating the number of steps P needing to be increasedIncreaseThen, the current number of steps is added with PIncreaseThe adjusted number of steps is obtained.
The following description is given by way of specific examples.
The normal temperature interval of the preset driving module (i.e., the preset interval) is [65, 85 ]. And after the air conditioner is started to operate, detecting the temperature Tm of the driving module. If the temperature of the driving module is less than 65 ℃, the electronic expansion valve 2 decreases the step number P (65-Tm) A on the basis of the original opening degree, wherein A is a constant; if the temperature of the driving module is higher than 85 ℃, the step number P of the electronic expansion valve 2 is increased to (Tm-85) B on the basis of the original opening degree, and B is a constant.
It should be noted that the preset interval may be a temperature interval, or may be a preset temperature value, that is, the minimum value and the maximum value of the preset interval may be the same value. If the temperature value is the preset temperature value, the step number of the electronic expansion valve 2 is increased when the temperature of the driving module is higher than the preset temperature value, and the step number of the electronic expansion valve 2 is decreased when the temperature of the driving module is lower than the preset temperature value.
In this embodiment, the flow rate of the branch is controlled by controlling the number of steps of the electronic expansion valve 2. The better the throttling effect of the electronic expansion valve 2 is, the lower the evaporation temperature is, and the better the heat dissipation effect of the driving module is. The electronic expansion valve 2 and the driving module are in linkage control, so that effective heat dissipation can be realized, and condensation of the driving module can be avoided.
Example 3
The embodiment of the present invention provides software for implementing the technical solutions described in the above embodiments and preferred embodiments.
Embodiments of the present invention provide a non-volatile computer storage medium, where a computer-executable instruction is stored in the computer storage medium, and the computer-executable instruction may execute the air conditioner heat dissipation control method in any of the above method embodiments.
The storage medium stores the software, and the storage medium includes but is not limited to: optical disks, floppy disks, hard disks, erasable memory, etc.
Through the above description of the embodiments, those skilled in the art will clearly understand that each embodiment can be implemented by software plus a necessary general hardware platform, and certainly can also be implemented by hardware. With this understanding in mind, the above-described technical solutions may be embodied in the form of a software product, which can be stored in a computer-readable storage medium such as ROM/RAM, magnetic disk, optical disk, etc., and includes instructions for causing a computer device (which may be a personal computer, a server, or a network device, etc.) to execute the methods described in the embodiments or some parts of the embodiments.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims (11)

1. An air conditioner heat dissipation control system, the system comprising:
the first throttling element is arranged on a main path between the outdoor heat exchanger and the indoor heat exchanger, one end of the first throttling element is connected with the outdoor heat exchanger, and the other end of the first throttling element is connected with the second throttling element;
the second throttling element is connected with the indoor heat exchanger;
the driving module and the third throttling element are connected in series and then arranged on a branch, the branch is led out from the position between the first throttling element and the second throttling element to the gas-liquid separator, and the driving module is connected with the gas-liquid separator.
2. The system of claim 1,
and the third throttling element is used for adjusting the step number according to the temperature of the driving module, reducing the step number when the temperature of the driving module is lower than a preset interval, and increasing the step number when the temperature of the driving module exceeds the preset interval.
3. The system of claim 1, further comprising:
and the temperature sensor is arranged on the driving module and used for monitoring the temperature of the driving module.
4. The system of claim 1, further comprising:
and the D end of the four-way valve is connected with the compressor, the C end of the four-way valve is connected with the outdoor heat exchanger, the E end of the four-way valve is connected with the indoor heat exchanger, and the S end of the four-way valve is connected with the gas-liquid separator.
5. The system according to any one of claims 1 to 4,
the first, second and third throttling components are electronic expansion valves.
6. An air conditioning apparatus characterized by comprising the air conditioning heat dissipation control system as recited in any one of claims 1 to 5.
7. An air conditioner heat dissipation control method applied to the air conditioner heat dissipation control system of any one of claims 1 to 5, the method comprising:
monitoring the temperature of a driving module in an air conditioner heat dissipation control system;
if the temperature of the driving module is in a preset interval, maintaining the step number of a third throttling element in the air-conditioner heat dissipation control system;
if the temperature of the driving module is not in a preset interval, adjusting the step number of the third throttling element; and the third current-regulating element is positioned on a branch circuit where the driving module is positioned.
8. The method of claim 7, wherein if the temperature of the driving module is not within a preset interval, adjusting the number of steps of the third throttling element comprises:
if the temperature of the driving module is lower than the minimum value of the preset interval, reducing the step number of the third throttling element;
and if the temperature of the driving module is higher than the maximum value of the preset interval, increasing the step number of the third throttling element.
9. The method according to claim 8, wherein if the temperature of the driving module is lower than the minimum value of the preset interval, the number of steps of the third throttling element is reduced, which is implemented by the following formula:
number of steps P to be reducedReducingA (minimum value of a preset interval-temperature of the driving module); wherein A is a constant.
10. The method according to claim 8, wherein if the temperature of the driving module is higher than the maximum value of the preset interval, the number of steps of the third throttling element is increased, which is realized by the following formula:
requiring an increased number of steps PIncrease(maximum value of temperature-preset interval of the driving module) B; wherein B is a constant.
11. A computer-readable storage medium, on which a computer program is stored, which program, when being executed by a processor, carries out the method according to any one of claims 7 to 10.
CN202010060573.9A 2020-01-19 2020-01-19 Air conditioner heat dissipation control system and method and air conditioning equipment Pending CN111237973A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010060573.9A CN111237973A (en) 2020-01-19 2020-01-19 Air conditioner heat dissipation control system and method and air conditioning equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010060573.9A CN111237973A (en) 2020-01-19 2020-01-19 Air conditioner heat dissipation control system and method and air conditioning equipment

Publications (1)

Publication Number Publication Date
CN111237973A true CN111237973A (en) 2020-06-05

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Family Applications (1)

Application Number Title Priority Date Filing Date
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Country Status (1)

Country Link
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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104819595A (en) * 2015-05-12 2015-08-05 广东美的暖通设备有限公司 Refrigerating system, control method and device and air conditioner
CN106766001A (en) * 2017-02-04 2017-05-31 青岛海尔空调器有限总公司 A kind of control method of air-conditioning, device and air-conditioning
CN107084483A (en) * 2017-04-13 2017-08-22 青岛海尔空调器有限总公司 A kind of air conditioner and control method
CN108195099A (en) * 2017-12-27 2018-06-22 青岛海信日立空调系统有限公司 A kind of connected machine and its control method

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104819595A (en) * 2015-05-12 2015-08-05 广东美的暖通设备有限公司 Refrigerating system, control method and device and air conditioner
CN106766001A (en) * 2017-02-04 2017-05-31 青岛海尔空调器有限总公司 A kind of control method of air-conditioning, device and air-conditioning
CN107084483A (en) * 2017-04-13 2017-08-22 青岛海尔空调器有限总公司 A kind of air conditioner and control method
CN108195099A (en) * 2017-12-27 2018-06-22 青岛海信日立空调系统有限公司 A kind of connected machine and its control method

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