CN113669791A - Three-pipe type single-cooling air conditioning system and control method of air conditioner with same - Google Patents
Three-pipe type single-cooling air conditioning system and control method of air conditioner with same Download PDFInfo
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- CN113669791A CN113669791A CN202110924478.3A CN202110924478A CN113669791A CN 113669791 A CN113669791 A CN 113669791A CN 202110924478 A CN202110924478 A CN 202110924478A CN 113669791 A CN113669791 A CN 113669791A
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- 238000001816 cooling Methods 0.000 title claims abstract description 27
- 238000004378 air conditioning Methods 0.000 title claims abstract description 22
- 238000000034 method Methods 0.000 title claims abstract description 16
- 238000007791 dehumidification Methods 0.000 claims description 15
- 238000005057 refrigeration Methods 0.000 claims description 14
- 238000010408 sweeping Methods 0.000 claims description 12
- 238000001704 evaporation Methods 0.000 claims description 5
- 238000011161 development Methods 0.000 claims description 4
- 230000008020 evaporation Effects 0.000 claims description 4
- 238000002474 experimental method Methods 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 4
- 230000004075 alteration Effects 0.000 description 2
- 238000007664 blowing Methods 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003203 everyday effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/0007—Indoor units, e.g. fan coil units
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/0007—Indoor units, e.g. fan coil units
- F24F1/0083—Indoor units, e.g. fan coil units with dehumidification means
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
- F24F11/63—Electronic processing
- F24F11/64—Electronic processing using pre-stored data
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
- F24F11/63—Electronic processing
- F24F11/65—Electronic processing for selecting an operating mode
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
- F24F11/80—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air
- F24F11/83—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers
- F24F11/84—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers using valves
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B41/00—Fluid-circulation arrangements
- F25B41/20—Disposition of valves, e.g. of on-off valves or flow control valves
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B41/00—Fluid-circulation arrangements
- F25B41/20—Disposition of valves, e.g. of on-off valves or flow control valves
- F25B41/24—Arrangement of shut-off valves for disconnecting a part of the refrigerant cycle, e.g. an outdoor part
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B41/00—Fluid-circulation arrangements
- F25B41/30—Expansion means; Dispositions thereof
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B41/00—Fluid-circulation arrangements
- F25B41/30—Expansion means; Dispositions thereof
- F25B41/31—Expansion valves
- F25B41/32—Expansion valves having flow rate limiting means other than the valve member, e.g. having bypass orifices in the valve body
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B49/00—Arrangement or mounting of control or safety devices
- F25B49/02—Arrangement or mounting of control or safety devices for compression type machines, plants or systems
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Signal Processing (AREA)
- Fuzzy Systems (AREA)
- Mathematical Physics (AREA)
- Fluid Mechanics (AREA)
- Air Conditioning Control Device (AREA)
Abstract
A three-pipe single-cooling air conditioning system and a control method of an air conditioner with the same are disclosed, and the three-pipe single-cooling air conditioning system comprises a compressor, a condenser, a filter, a first electromagnetic valve, a first throttling module, a first stop valve, a first evaporator, a second electromagnetic valve, a second throttling module, a second stop valve, a second evaporator and a third stop valve; the outlet of the compressor is connected with the inlet of the condenser, the outlet of the condenser is connected with the inlet of the filter, and the outlet of the filter is respectively connected with the first electromagnetic valve and the second electromagnetic valve; a first throttling module, a first stop valve and a first evaporator are sequentially connected between the first electromagnetic valve and the third stop valve; second throttle module, second stop valve and second evaporimeter have connected gradually between second solenoid valve and the third stop valve, and its system connection is extremely simple and easy to optimize, and the cost of manufacture is low, satisfies the cold and hot needs of various air conditioners to make the people feel comfortable, experience well, effectively promote user's satisfaction and the travelling comfort of air conditioner.
Description
Technical Field
The invention relates to the technical field of household air conditioners, in particular to a three-pipe type single-cooling air conditioning system and a control method of an air conditioner with the three-pipe type single-cooling air conditioning system.
Background
According to market research and patent retrieval, in the social life environment with the change of every day, the demand of people on life is continuously increased, the quality of life is also continuously improved, and the establishment of comfortable life and working environment is increasingly urgent; meanwhile, the air conditioner continuously enters common families, and every family can use the air conditioner, so that in recent years, along with the development of economy, the requirement of people on the indoor life quality is higher and higher, and the research on meeting sustainable development technology is particularly urgent.
At present, a household air conditioner generally uses a double-pipe wall-mounted air conditioner indoor unit, but due to the limitation of room space, the air conditioner is always mounted opposite to a bed when being mounted, the air conditioner is directly blown to the bodies of different users, the users feel different, people feel comfortable and feel uncomfortable, and the satisfaction of the users and the comfort of the use of the air conditioner are reduced; in order to solve the problems, a three-pipe type single-cooling air conditioning system and a control method of an air conditioner with the three-pipe type single-cooling air conditioning system are newly developed.
Disclosure of Invention
The invention aims to provide a three-pipe type single-cooling air conditioning system and a control method with the air conditioner, the system connection is extremely simple and optimized, the manufacturing cost is low, the air conditioner demand degree of different users in the same space is met, people feel comfortable and experience is good, and the satisfaction degree of the users and the comfort of the air conditioner are effectively improved.
In order to achieve the above object, the technical solution adopted by the present invention is to provide a three-tube single-cooling air conditioning system and a control method of an air conditioner with the same, including a compressor, a condenser, a filter, a first electromagnetic valve, a first throttle module, a first stop valve, a first evaporator, a second electromagnetic valve, a second throttle module, a second stop valve, a second evaporator, a third stop valve and a sweep air module; an air outlet of the compressor is connected with an inlet of the condenser, an outlet of the condenser is connected with an inlet of the filter, and an outlet of the filter is respectively connected with the first electromagnetic valve and the second electromagnetic valve; a first throttling module, a first stop valve and a first evaporator are sequentially connected between the first electromagnetic valve and the third stop valve; and a second throttling module, a second stop valve and a second evaporator are sequentially connected between the second electromagnetic valve and the third stop valve.
In one or more embodiments of the invention, the first evaporator, the second evaporator and the condenser are each provided with a fan, and the evaporation fan is preferably a cross-flow fan; the first evaporator and the second evaporator are independently evaporators and are arranged in the same indoor unit in parallel.
In one or more embodiments of the present invention, the throttling module may be a capillary tube, a throttling pipe, an electronic expansion valve, or the like, the throttling module is preferably a capillary tube, and when the throttling module is an electronic expansion valve, the corresponding solenoid valve may be eliminated.
In one or more embodiments of the present invention, the filter may be installed in the system according to a user's request, and preferably has 80-100 mesh.
In one or more embodiments of the present invention, the left and right air sweeping modules may be manual air sweeping, single motor automatic air sweeping or dual motor independent air sweeping; the upper and lower air sweeping modules can be single-motor automatic air sweeping or double-motor independent air sweeping.
In one or more embodiments of the present invention, a full-area refrigeration/dehumidification mode is provided, and when the control is in the refrigeration/dehumidification mode, the first electromagnetic valve and the second electromagnetic valve are respectively conducted to form two paths, wherein the first path conducts the first electromagnetic valve, the first throttle module, the first stop valve and the first evaporator, and then enters the compressor to form a loop after passing through the third stop valve; the second passage conducts the second electromagnetic valve, the second throttling module, the second stop valve and the second evaporator, and then enters the compressor to form a loop after passing through the third stop valve.
In one or more embodiments of the present invention, it is provided with a full-area refrigeration/dehumidification and single-area refrigeration/dehumidification and air supply usage mode, when controlling to be in the full-area refrigeration/dehumidification usage mode, the first electromagnetic valve and the second electromagnetic valve are respectively conducted to form two paths, wherein the first path conducts the first electromagnetic valve, the first throttle module, the first stop valve and the first evaporator, and then enters the compressor to form a loop after passing through the third stop valve; the second passage conducts the second electromagnetic valve, the second throttling module, the second stop valve and the second evaporator, and then enters the compressor to form a loop after passing through the third stop valve.
When the control is in a single-area refrigeration/dehumidification and air supply use mode, according to an area required by a user, the controller conducts the electromagnetic valve of the evaporator of the corresponding area, closes other electromagnetic valves and starts the air conditioner; when a user wants to use the right area cooling/dehumidifying + left area air supply mode, the second electromagnetic valve needs to be opened, the air conditioner is started in the cooling/dehumidifying mode, and the first electromagnetic valve is closed.
In one or more embodiments of the present invention, the air conditioner is provided with a regional temperature setting mode, according to the temperature set by the user requirement, the controller conducts the electromagnetic valve opening of the evaporator in the corresponding region, starts the air conditioner, opens the evaporation fan corresponding to the air conditioner and the rotating speed set by the user, according to the different regional temperatures set by the user, adjusts the electromagnetic valve opening preset by the program, and the electromagnetic valve opening development stage verifies the functional relationship between the electromagnetic valve opening and the temperature through experiments.
By adopting the scheme, the system connection is extremely simple and optimized, the manufacturing cost is low, the cold and hot requirements of various air conditioners are met, so that people feel comfortable, the experience is good, the satisfaction of users and the comfort of the air conditioners are effectively improved, and therefore the air conditioner is a product with superior performance in both technical performance and economical efficiency.
Drawings
Fig. 1 is a schematic diagram of a three-pipe type single-cooling air conditioning system and a control method of an air conditioner having the same according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of the operation of a three-pipe single-cooling air conditioning system and a control method thereof in a full-zone cooling/dehumidifying mode according to an embodiment of the present invention;
FIG. 3 is a schematic diagram of the operation of a three-pipe single-cooling air conditioning system and control method thereof in left-zone cooling/dehumidifying and right-zone blowing modes according to an embodiment of the present invention;
fig. 4 is a schematic diagram of the operation of a three-pipe single-cooling air conditioning system and a control method thereof in a right-zone cooling/dehumidifying and left-zone blowing mode according to an embodiment of the present invention.
Detailed Description
Reference will now be made in detail to the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The technical scheme and the beneficial effects of the invention are clearer and clearer by further describing the specific implementation mode of the invention with the accompanying drawings of the specification; and are intended to be illustrative of the invention and not to be construed as limiting the invention.
As shown in fig. 1, an embodiment of the present invention preferably provides a three-pipe single-cooling air conditioning system and a control method of an air conditioner having the same, including a compressor 1, a condenser 2, a filter 3, a first solenoid valve 4, a first throttle module 5, a first stop valve 6, a first evaporator 7, a second solenoid valve 8, a second throttle module 9, a second stop valve 10, a second evaporator 11, a third stop valve 12, a condensing fan 13, and an evaporating fan 14; an exhaust port of the compressor 1 is connected with an inlet of a condenser 2, an outlet of the condenser 2 is connected with an inlet of a filter 3, and an outlet of the filter 3 is respectively connected with a first electromagnetic valve 4 and a second electromagnetic valve 8; a first throttling module 5, a first stop valve 6 and a first evaporator 7 are sequentially connected between the first electromagnetic valve 4 and the third stop valve 12; a second throttling module 9, a second stop valve 10 and a second evaporator 11 are sequentially connected between the second electromagnetic valve 8 and the third stop valve 12; the first evaporator, the second evaporator and the condenser are respectively provided with a fan.
As shown in fig. 2, during operation control, when the control is in the full-area cooling/dehumidifying mode, the first electromagnetic valve 4 and the second electromagnetic valve 8 are respectively conducted to form two paths, wherein the first path conducts the first electromagnetic valve 4, the first throttle module 5, the first stop valve 6 and the first evaporator 7, and then enters the compressor 1 after passing through the third stop valve 12 to form a loop; the second passage conducts the second electromagnetic valve 8, the second throttling module 9, the second stop valve 10 and the second evaporator 11, and then enters the compressor to form a loop after passing through the third stop valve 12.
As shown in fig. 3/4, in the operation control, when the control is in the single-zone cooling/dehumidification + air supply use mode, the controller turns on the solenoid valve of the corresponding zone evaporator, closes the other solenoid valves, and starts the air conditioner according to the zone used by the user. As shown in fig. 3, when a user wants to use the left zone cooling/dehumidifying + right air supply mode, i.e. the user needs to open the first electromagnetic valve 4, start the air conditioner, and close the second electromagnetic valve 8, at this time, the first path conducts the first electromagnetic valve 4, the first throttle module 5, the first stop valve 6 and the first evaporator 7, and then enters the compressor 1 through the third stop valve 12 to form a loop; in the case shown in fig. 4, when the user wants to use the right zone cooling/dehumidifying + left air supply mode, i.e. the user needs to open the second solenoid valve 8, start the air conditioner, and close the first solenoid valve 4, at this time, the second path conducts the second solenoid valve 8, the second throttling module 9, the second stop valve 10 and the second evaporator 11, and then enters the compressor to form a loop after passing through the third stop valve 12.
By combining the above description and all the drawings, the system connection of the invention is extremely simple and optimized, the manufacturing cost is low, the temperature requirements of various air conditioners are met, so that people feel comfortable, the experience is good, and the satisfaction of users and the comfort of the air conditioners are effectively improved. Therefore, the product has excellent performance in both technical and economic aspects.
While this invention has been described in terms of the preferred embodiments, there may be alterations, permutations, and equivalents, which fall within the scope of this invention; there are many alternative ways of implementing the invention. It is therefore intended that the following appended claims be interpreted as including all such alterations, permutations, and equivalents as fall within the true spirit and scope of the present invention; it will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and modifications and substitutions based on the known art are possible within the scope of the present invention, which is defined by the claims.
Claims (8)
1. The utility model provides a single cold air conditioning system of three tubular which characterized in that: the system comprises a compressor, a condenser, a filter, a first electromagnetic valve, a first throttling module, a first stop valve, a first evaporator, a second electromagnetic valve, a second throttling module, a second stop valve, a second evaporator, a third stop valve and a wind sweeping module; an air outlet of the compressor is connected with an inlet of the condenser, an outlet of the condenser is connected with an inlet of the filter, and an outlet of the filter is respectively connected with the first electromagnetic valve and the second electromagnetic valve; a first throttling module, a first stop valve and a first evaporator are sequentially connected between the first electromagnetic valve and the third stop valve; and a second throttling module, a second stop valve and a second evaporator are sequentially connected between the second electromagnetic valve and the third stop valve.
2. The triple-tube single-cold air conditioning system according to claim 1, wherein said first evaporator, said second evaporator and said condenser are each provided with a fan, the evaporation fan being preferably a cross-flow fan; the first evaporator and the second evaporator are independently evaporators and are arranged in the same indoor unit in parallel.
3. The triple-tube single-cold air conditioning system according to claim 2, wherein the throttling module is a capillary tube or a throttling tube or an electronic expansion valve.
4. The triple-tube single-cooling air conditioning system according to claim 3, wherein the filter is an 80-100 mesh filter.
5. The four-duct single-cold air conditioning system according to claim 4, wherein the left and right air-sweeping modules comprise a manual air-sweeping mode or a single-motor automatic air-sweeping mode or a double-motor independent air-sweeping mode.
6. A control method of an air conditioner with a three-pipe single-cold air conditioning system is characterized in that a full-area refrigeration/dehumidification mode is set, when the control is in the full-area refrigeration/dehumidification mode, a first electromagnetic valve and a second electromagnetic valve are respectively conducted to form two passages, wherein the first passage conducts the first electromagnetic valve, a first throttling module, a first stop valve and a first evaporator, and then enters a compressor to form a loop after passing through a third stop valve; the second passage conducts the second electromagnetic valve, the second throttling module, the second stop valve and the second evaporator, and then enters the compressor to form a loop after passing through the third stop valve.
7. A control method with three-pipe single-cold air conditioner system air conditioner is characterized in that the control method is provided with a full-area refrigeration/dehumidification and single-area refrigeration/dehumidification + air supply use mode, when the control is in the full-area refrigeration/dehumidification use mode, a first electromagnetic valve and a second electromagnetic valve are respectively conducted to form two passages, wherein the first passage conducts a first electromagnetic valve, a first throttling module, a first stop valve and a first evaporator, and then enters a compressor to form a loop after passing through a third stop valve; the second passage conducts the second electromagnetic valve, the second throttling module, the second stop valve and the second evaporator, and then enters the compressor to form a loop after passing through the third stop valve.
When the control is in a single-area refrigeration/dehumidification + air supply use mode, according to an area required by a user, the controller conducts the electromagnetic valve of the evaporator of the corresponding area, closes other electromagnetic valves and starts the air conditioner; when a user wants to use a left area refrigeration/dehumidification + right area air supply mode, namely, the user needs to open the first electromagnetic valve, start the air conditioner in the refrigeration/dehumidification mode and close the second electromagnetic valve; when a user wants to use the right area cooling/dehumidifying + left area air supply mode, the second electromagnetic valve needs to be opened, the air conditioner is started in the cooling/dehumidifying mode, and the first electromagnetic valve is closed.
8. A control method of an air conditioner with a three-pipe single-cold air conditioning system is characterized in that a regional temperature setting mode is set, according to the temperature set by a user, a controller conducts the opening degree of an electromagnetic valve of an evaporator in a corresponding region, the air conditioner is started, an evaporation fan is started, and the rotating speed set by the user is increased. Adjusting the opening of the electromagnetic valve preset by a program according to different area temperatures set by a user, and verifying the functional relation between the opening of the electromagnetic valve and the temperature through experiments in the development stage of the opening of the electromagnetic valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110924478.3A CN113669791A (en) | 2021-08-12 | 2021-08-12 | Three-pipe type single-cooling air conditioning system and control method of air conditioner with same |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110924478.3A CN113669791A (en) | 2021-08-12 | 2021-08-12 | Three-pipe type single-cooling air conditioning system and control method of air conditioner with same |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114517968A (en) * | 2022-04-02 | 2022-05-20 | 珠海市金品创业共享平台科技有限公司 | Air conditioner, air conditioner refrigeration control method and device and related equipment |
| CN114719351A (en) * | 2022-04-08 | 2022-07-08 | 珠海市金品创业共享平台科技有限公司 | Heat pump type three-tube air conditioning system |
| CN114754425A (en) * | 2022-04-11 | 2022-07-15 | 珠海市金品创业共享平台科技有限公司 | Heat pump type three-pipe air conditioning system and control method thereof |
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| US20130213077A1 (en) * | 2010-06-29 | 2013-08-22 | Guangdong Chigo Air-conditioning Co., Ltd. | Multi-split air conditioner capable of refrigerating and heating simultaneously |
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| CN110748962A (en) * | 2019-10-14 | 2020-02-04 | 特灵空调系统(中国)有限公司 | Air conditioning system and control method thereof |
| CN212362559U (en) * | 2020-08-19 | 2021-01-15 | 珠海格力电器股份有限公司 | Diversified refrigeration equipment |
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| CN114517968A (en) * | 2022-04-02 | 2022-05-20 | 珠海市金品创业共享平台科技有限公司 | Air conditioner, air conditioner refrigeration control method and device and related equipment |
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| CN114754425A (en) * | 2022-04-11 | 2022-07-15 | 珠海市金品创业共享平台科技有限公司 | Heat pump type three-pipe air conditioning system and control method thereof |
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Application publication date: 20211119 |