CN202813592U - Air-conditioning device - Google Patents

Air-conditioning device Download PDF

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Publication number
CN202813592U
CN202813592U CN 201220535336 CN201220535336U CN202813592U CN 202813592 U CN202813592 U CN 202813592U CN 201220535336 CN201220535336 CN 201220535336 CN 201220535336 U CN201220535336 U CN 201220535336U CN 202813592 U CN202813592 U CN 202813592U
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China
Prior art keywords
valve
heat exchanger
connects
indoor
compressor
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Application number
CN 201220535336
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Chinese (zh)
Inventor
戎森杰
刘合心
黄春
宋培刚
刘煜
余凯
刘群波
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Gree Electric Appliances Inc of Zhuhai
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Gree Electric Appliances Inc of Zhuhai
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Priority to CN 201220535336 priority Critical patent/CN202813592U/en
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Abstract

The utility model provides an air-conditioning device. The air-conditioning device comprises an outdoor unit, a water tank component and an indoor unit, wherein the outdoor unit comprises a compressor, an outdoor heat exchanger and a four-way valve, the water tank component comprises a water tank and a coil pipe which is arranged inside or outside the water tank, the indoor unit comprises an indoor heat exchanger, a first end of the compressor is connected with a first valve port of the four-way valve, a second valve port of the four-way valve is connected with a first end of the outdoor heat exchanger, a second end of the outdoor heat exchanger is respectively connected with the coil pipe and a first end of the indoor heat exchanger, the coil pipe and a second end of the indoor heat exchanger are connected with a fourth valve port of the four-way valve, and a third valve port of the four-way valve is connected with a second end of the compressor. By means of the technical scheme, operation of independent air conditioning or independent water heating can be achieved, the simultaneous operation of the air conditioning and the water heating can be achieved, a heat source part provided in independent air conditioning or independent water heating is eliminated, particularly when refrigeration and water heating are carried out simultaneously, heat of condensation of the air-conditioning device can be recycled for water heating, and the comprehensive energy efficiency of the units is high.

Description

Aircondition
Technical field
The utility model relates to air-conditioning technical field, in particular to a kind of aircondition.
Background technology
The structure of existing multi-joint hot-water air conditioner with hot water function as shown in Figure 1, off-premises station 1 ' part comprises compressor 4 ', oil eliminator 5 ' and the gas separating device 8 ' of series connection, compressor 4 ' is connected with two cross valves 61 ', 62 ' again, the first cross valve 61 ' junction chamber external heat exchanger 7 ' and indoor heat exchanger the 10 ', the second cross valve 62 ' connect hot water generator 2 '.Hot water generator 2 ' connects water tank 9 '.
The technical characterstic of existing mechanism comprises: indoor heat exchanger and hot water generator are in parallel when 1) heating, outdoor heat exchanger and hot water generator series connection during refrigeration; 2) adopt two cross valves+double electronic expansion-valve structure; 3) the required thermal source of defrost is from indoor set one side.
The hot water air conditioning device of prior art has the some shortcomings part: 1) off-premises station can not only connect indoor set or hot water generator; 2) during refrigeration+hot water pattern, the exhaust of HTHP must be passed through hot water generator, and when water temperature is higher in the hot water generator, is unfavorable on high-tension side condensation; 3) hot water generator is all the time at exhaust side, and is large to the exhaust pressure drop affects, so tube connector length is restricted between off-premises station and the hot water generator; 4) a plurality of hot water generators can not be realized parallel connection or series connection, and off-premises station can only dock a hot water generator; 5) during defrost, thermal source is from the indoor, and indoor temperature can descend, and affects indoor comfort.
The utility model content
The utility model aims to provide a kind of aircondition, with solve that off-premises station that the two cross valve structures of available technology adopting cause can't only connect separately that indoor set or hot water generator cause be unfavorable for freezing the time high pressure gas condensation cause Efficiency Decreasing and affect off-premises station and the problem of hot water generator layout.
To achieve these goals, the utility model provides a kind of aircondition, comprising: outdoor unit comprises compressor, outdoor heat exchanger and cross valve; Cistern assembly comprises water tank and is arranged on coil pipe on the water tank in internal or external mode; Indoor units, comprise indoor heat exchanger, wherein, the first end of compressor connects the first valve port of cross valve, the first end of the second valve port junction chamber external heat exchanger of cross valve, the second end of outdoor heat exchanger connects respectively the first end of coil pipe and indoor heat exchanger, and coil pipe is connected the second end and is connected the 4th valve port of cross valve with indoor heat exchanger, and the 3rd valve port of cross valve connects the second end of compressor.
Further, also comprise, oil eliminator, the first end of oil eliminator connects the first end of compressor, and the second end connects the first valve port of cross valve.
Further, also comprise, gas separating device, the first end of gas separating device connects the second end of compressor, and the second end connects the 3rd valve port of cross valve.
Further, also comprise, the first throttle device, the second end of first end junction chamber external heat exchanger, the second end connects the first end of coil pipe and indoor heat exchanger.
Further, also comprise, the second throttling arrangement, first end connects the second end of first throttle device, and the second end connects the first end of coil pipe.
Further, also comprise, the 3rd throttling arrangement, first end connects the second end of first throttle device, and the second end connects the first end of indoor heat exchanger.
Further, also comprise, the first magnetic valve, first end connects the second end of coil pipe, and the second end connects the second end of oil eliminator.
Further, also comprise, the second magnetic valve, first end connects the second end of coil pipe, and the second end connects the 4th valve port of cross valve.
Further, indoor heat exchanger is a plurality of parallel connections.
Further, water tank and coil pipe are a plurality of parallel connections.
Use the aircondition of the technical solution of the utility model, by reducing cross valve, indoor units and Hot water units are arranged in parallel, can realize independent air-conditioning or separately hot water operation, can realize that also air-conditioning and hot water move simultaneously, so reduced independent air-conditioning and the Cooling and Heat Source part, particularly air conditioner refrigerating that have been equipped with during hot water separately simultaneously during water heating, recyclable air conditioner condensation heat is used for water heating, and the unit comprehensive energy efficiency is higher.
Description of drawings
The Figure of description that consists of the application's a part is used to provide further understanding of the present utility model, and illustrative examples of the present utility model and explanation thereof are used for explaining the utility model, do not consist of improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 shows hot water air conditioning device of the prior art; And
Fig. 2 shows aircondition of the present utility model.
The outdoor unit of description of reference numerals: 1--; 2--external coiled pipe type cistern assembly; The 3--indoor units; The 4--compressor; The 5--oil eliminator; The 6--cross valve; The 7--outdoor heat exchanger; The 8--gas-liquid separator; The 9--water tank; 10a, 10b--indoor heat exchanger; V1, V5, V8a, V8b--throttling arrangement; V2--liquid side stop valve; V3--low pressure gas side stop valve; V4--high pressure gas side stop valve; V6, V7--magnetic valve.
The specific embodiment
Need to prove that in the situation of not conflicting, embodiment and the feature among the embodiment among the application can make up mutually.Describe below with reference to the accompanying drawings and in conjunction with the embodiments the utility model in detail.
As shown in Figure 2, the aircondition that can realize respectively air-conditioning and hot water function of the present utility model, comprise outdoor unit 1, cistern assembly 2 and indoor units 3, outdoor unit 1, cistern assembly 2 and indoor units 3 form complete cooling cycle system by connecting line.Outdoor unit 1 comprises: a compressor 4, cover outdoor heat exchangers 7, cross valve 6, throttling arrangement V1; Indoor units 3 comprises at least two indoor set 10a, 10b and the throttling arrangement V8a that is connected with indoor set, and V8b is connected in parallel between each indoor set; Cistern assembly 2 is external coiled pipe type, comprises a water tank 9, twines outer coil pipe and corresponding throttling arrangement V5 and the magnetic valve of water tank.
Referring to Fig. 2, concrete connected mode is: the first end of compressor 4 connects the first end of oil eliminator 5, the second end of oil eliminator 5 connects the first valve port of cross valve 6, the second valve port junction chamber outside heat exchanger 7 of cross valve 6, outdoor heat exchanger 7 respectively connects cistern assembly 2 and indoor set assembly 3 through first throttle device V1 and liquid side stop valve V2, and the 3rd valve port of cross valve 6 is through connecting the second end of compressor 4 behind the gas-liquid separator 8.Cistern assembly 2 one ends are communicated with liquid side stop valve V2, pipeline through the second throttling arrangement V5 after through the outer outer coil pipe of water tank 9, be divided into afterwards two-way, the first via connects the second end of oil eliminator 5 behind the first magnetic valve V6, and the second the tunnel is communicated with the 4th valve port of cross valve 6 behind the second magnetic valve V7.Through connecting the first end of two indoor heat exchanger 10a, 10b behind two the 3rd throttling arrangement V8a, the V8b, the other end of indoor heat exchanger 10a, 10b connects the 4th valve port of cross valve respectively for the first end connecting fluid side stop valve V2 of indoor units 3, pipeline.
Preferably, off-premises station unit 1 docking water tank, and can a plurality of water tanks of docking in parallel.Being characterized as of water tank: internal or external coiled perhaps has the device that other refrigerant circulates.Described throttling arrangement V5, V8a and V8b are electric expansion valve or other restricting element.
Preferably, required thermal source can have a plurality of selections during defrost, can take from indoor or water tank side, or takes from simultaneously indoor and water tank side, but or the device of other accumulation of heat.
Aircondition of the present utility model can be realized five kinds of operational modes, namely separate refrigeration, heat separately, independent water heating, refrigeration+water heating heats+water heating, various embodiments are described below:
The separate refrigeration pattern:
Flow process is introduced: under this pattern, and cross valve 6 outages, the first valve port is communicated with the second valve port, and the 3rd valve port is communicated with the 4th valve port.Outdoor heat exchanger 7 is as condenser, and indoor heat exchanger 10a, 10b are as evaporimeter.The first throttle device V1 of off-premises station is in full-gear.Throttling arrangement V8a, the V8b of indoor set 10a and 10b opens, and controls aperture according to the refrigerant superheat degree after indoor heat exchanger 10a, 10b evaporation.The second throttling arrangement V5 of water tank side closes, and magnetic valve V6, V7 close.
The glide path of cold-producing medium is: the refrigerant gas of HTHP is from the compressor discharge, through cross valve 6, enter the refrigerant liquid that outdoor heat exchanger 7 condensations become cryogenic high pressure afterwards, through heating not throttling of throttling arrangement V1() after, the cold-producing medium two-phase mixture of low-temp low-pressure after the throttling arrangement V8a of indoor set, V8b throttling, become; Enter afterwards the refrigerant gas that becomes low pressure after indoor heat exchanger 10a, 10b evaporate, through cross valve 6, in gas-liquid separator 8, isolate liquid refrigerants, gaseous refrigerant enters the compressor air suction mouth again, then become high-temperature high-pressure refrigerant gas discharge compressor after entering the cylinder compression of compressor high-pressure side, finish a kind of refrigeration cycle.
Independent heating mode:
Flow process is introduced: under this pattern, outside cross valve 6 powers on, and the first valve port is communicated with the 4th valve port, and the second valve port is communicated with the 3rd valve port.This moment, outdoor heat exchanger 7 was in evaporation side, and 10a is changed in the indoor heat exchange, 10b makes condenser.Throttling arrangement V8a, the V8b of indoor set opens, and controls its aperture according to condensed degree of supercooling in indoor heat exchanger 10a, 10b; The first throttle device V1 of off-premises station opens, and controls its aperture according to the refrigerant degree of superheat after the outdoor heat exchanger evaporation; The second throttling arrangement V5 of water tank side closes, and magnetic valve V6, V7 close.
The glide path of cold-producing medium is: the refrigerant gas of the HTHP of discharging from compressor 4 is through cross valve 6, enter the refrigerant liquid that indoor heat exchanger 10a, 10b are condensed into cryogenic high pressure, through becoming the refrigerant liquid of middle pressure after the throttling of throttling arrangement V8a, V8b of indoor set, behind the throttling arrangement V1 of off-premises station second throttle, become the cold-producing medium two-phase mixture of low-temp low-pressure; Enter afterwards the refrigerant gas that becomes low pressure after outdoor heat exchanger 7 evaporates, through cross valve 6, flow through again and isolate liquid refrigerant in the gas-liquid separator 8, gaseous refrigerant enters compressor 4 air entries, then become high-temperature high-pressure refrigerant gas discharge compressor after entering the cylinder compression of compressor high-pressure side, finish a kind of refrigeration cycle.
Independent water heating pattern:
Flow process is introduced: under this pattern, outside cross valve 6 powers on, and the first valve port is communicated with the 4th valve port, and the second valve port is communicated with the 3rd valve port.This moment, outdoor heat exchanger 7 was in evaporation side, and water tank 9 is made condenser.Magnetic valve V6 opens in the water tank, and magnetic valve V7 closes, and throttling arrangement V5 opens, and controls its aperture according to cold-producing medium in water tank 9 interior condensed degree of supercoolings; The throttling arrangement V1 of off-premises station opens, and controls its aperture according to the degree of superheat of cold-producing medium after outdoor heat exchanger 7 evaporations; The throttling arrangement V8a of indoor set, V8b Close All are to prevent indoor set storing liquid cold-producing medium.
The glide path of cold-producing medium is: the refrigerant gas of the HTHP of discharging from compressor 4 is through cross valve 6, enter the refrigerant liquid that is condensed into cryogenic high pressure in the water tank 9, through becoming the refrigerant liquid of middle pressure after the water tank side throttling arrangement V5 throttling, at the cold-producing medium two-phase mixture that becomes low-temp low-pressure behind the throttling arrangement V1 second throttle that heats of off-premises station; Enter afterwards the refrigerant gas that becomes low pressure after outdoor heat exchanger 7 evaporates, through cross valve 6, flow through again and isolate liquid refrigerant in the gas-liquid separator 8, gaseous refrigerant enters compressor 4 air entries, then become high-temperature high-pressure refrigerant gas discharge compressor after entering compressor 4 high-pressure side cylinder compressions, finish a kind of refrigeration cycle.
Refrigeration+water heating pattern:
Flow process is introduced: under this pattern, outside cross valve 6 is in off-position, and the first valve port is communicated with the second valve port, and the 3rd valve port is communicated with the 4th valve port.This moment, outdoor heat exchanger 7 and water tank 9 all were in the high-pressure side, but outdoor heat exchanger 7 does not participate in heat exchange, and only water tank 9 is as condenser, and indoor heat exchanger 10a, 10b are as evaporation side.Magnetic valve V6 opens in the water tank, and magnetic valve V7 closes, and water tank side throttling arrangement V5 opens, and controls its aperture according to cold-producing medium in water tank 9 interior condensed degree of supercoolings; Indoor set throttling arrangement V8a, V8b open, and control its aperture according to the degree of superheat of cold-producing medium after indoor heat exchanger 10a, 10b evaporation; Because outdoor heat exchanger 7 is in the high-pressure side, so outside throttling arrangement V1 opens less step number, to prevent outdoor heat exchanger 7 storing liquid cold-producing mediums.
The glide path of cold-producing medium is: the refrigerant gas of the HTHP of discharging from compressor 4 is divided into two parts, and a part is through the heat exchanger 7 that enters the outside through cross valve 6 but not condensation; Another part is through high pressure gas side stop valve V4, enter the refrigerant liquid that water tank 9 is condensed into cryogenic high pressure, through becoming the refrigerant liquid of middle pressure after the throttling of water tank side throttling arrangement V5, through low pressure gas side stop valve V3, behind the throttling arrangement V8a of indoor set, V8b second throttle, become the cold-producing medium two-phase mixture of low-temp low-pressure; Enter afterwards the refrigerant gas that becomes low pressure after indoor heat exchanger 10a, 10b evaporate, through cross valve 6, flow through again and isolate liquid refrigerant in the gas-liquid separator 8, gaseous refrigerant enters the compressor air suction mouth again, then become high-temperature high-pressure refrigerant gas discharge compressor after entering the cylinder compression of compressor high-pressure side, finish a kind of refrigeration cycle.
The defrosting method 1 of aircondition of the present utility model:
During defrost, outside cross valve 6 switches to off-position by power-up state, and water tank side magnetic valve V7 opens, and magnetic valve V6 closes, and throttling arrangement V5 opens; Outside throttling arrangement V1 opens, and indoor pusher side throttling arrangement V8a, V8b close; This moment, water tank 9 was as evaporation side, and cold-producing medium absorbs the heat of water in the water tank, in outdoor heat exchanger 7 interior condensations, thereby reached the purpose of defrost.
The defrost process flow process is as follows: the refrigerant gas of HTHP is through cross valve 6, in outdoor heat exchanger 7 interior condensations, utilize the cold-producing medium of high temperature to come defrost, after water tank side throttling arrangement V6 throttling, absorb the heat of hot water in the water tank, become the gaseous refrigerant of low-temp low-pressure, through cross valve 8, flow through and isolate liquid refrigerant in the gas-liquid separator 8, gaseous refrigerant enters at last and becomes high-temperature high-pressure refrigerant gas after the cylinder compression of compressor high-pressure side and discharge compressor.
Defrosting method 2:
During defrost, outside cross valve 6 switches to off-position by power-up state, and outside throttling arrangement V1 opens, and indoor pusher side throttling arrangement V8a, V8b open, and water tank side throttling arrangement V5 and magnetic valve V6 open, and magnetic valve V7 closes.This moment, water tank 9 and indoor heat exchanger 10a, 10b were all as evaporation side, and cold-producing medium absorbs the heat of hot water in indoor set and the water tank, in outdoor heat exchanger 7 interior condensations, thereby reached the purpose of defrost.
The defrost process flow process is as follows: the refrigerant gas of HTHP is through cross valve 6, in outdoor heat exchanger 7 interior condensations, utilize the cold-producing medium of high temperature to come defrost, after water tank side throttling arrangement V6 throttling, absorb the heat of hot water in the water tank, become the gaseous refrigerant of low-temp low-pressure, isolate liquid refrigerant in the gas-liquid separator 8 of flowing through again, gaseous refrigerant becomes high-temperature high-pressure refrigerant gas discharge compressor after entering at last the cylinder compression of compressor high-pressure side.
Defrosting method 3:
During defrost, outside cross valve 6 switches to off-position by power-up state, and this moment, indoor heat exchanger 10a, 10b were as evaporation side, and the heat of cold-producing medium absorption chamber inboard in outdoor heat exchanger 7 interior condensations, thereby reaches the purpose of defrost.Outside throttling arrangement V1 opens, and indoor pusher side throttling arrangement V8a, V8b close.
The defrost process flow process is as follows: the refrigerant gas of HTHP is through cross valve 6, in outdoor heat exchanger 7 interior condensations, utilize the cold-producing medium of high temperature to come defrost, after indoor throttling arrangement V8a, V8b throttling, the heat of absorption chamber inboard, become the gaseous refrigerant of low-temp low-pressure, isolate liquid refrigerant in the gas-liquid separator 8 of flowing through again, gaseous refrigerant becomes high-temperature high-pressure refrigerant gas discharge compressor after entering at last the cylinder compression of compressor high-pressure side.
From above description, can find out, the utility model has been realized following technique effect: can realize independent air-conditioning or separately hot water operation, can realize that also air-conditioning and hot water move simultaneously, so Cooling and Heat Source part that has been equipped with when having reduced independent air-conditioning and independent hot water, particularly simultaneously during water heating, recyclable air conditioner condensation heat is used for water heating to air conditioner refrigerating, and the unit comprehensive energy efficiency is higher.In addition, defrost institute calorific requirement can have Mutiple Choice: when selecting water tank as the defrost thermal source, heat does not need to take from indoor set, thus can not cause indoor environment temperature obviously to descend, thus improved indoor comfort.
The above is preferred embodiment of the present utility model only, is not limited to the utility model, and for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., all should be included within the protection domain of the present utility model.

Claims (10)

1. aircondition comprises:
Outdoor unit (1) comprises compressor (4), outdoor heat exchanger (7) and cross valve (6);
Cistern assembly (2) comprises water tank (9) and is arranged on coil pipe on the described water tank (9) in internal or external mode;
Indoor units (3) comprises indoor heat exchanger (10a, 10b),
It is characterized in that, wherein, the first end of described compressor (4) connects the first valve port of described cross valve (6), the second valve port of described cross valve (6) connects the first end of described outdoor heat exchanger (7), the second end of described outdoor heat exchanger (7) connects respectively the first end of described coil pipe and described indoor heat exchanger (10a, 10b), described coil pipe be connected the second end of indoor heat exchanger (10a, 10b) and connect the 4th valve port of described cross valve (6), the 3rd valve port of described cross valve (6) connects the second end of described compressor.
2. aircondition according to claim 1 is characterized in that, also comprise, and oil eliminator (5), the first end of described oil eliminator connects the first end of described compressor (4), and the second end connects the first valve port of described cross valve (6).
3. aircondition according to claim 1 is characterized in that, also comprises, gas separating device (8), the first end of described gas separating device connect the second end of described compressor (4), and the second end connects the 3rd valve port of described cross valve (6).
4. aircondition according to claim 1, it is characterized in that, also comprise, first throttle device (V1), first end connects the second end of described outdoor heat exchanger (7), and the second end connects the first end of described coil pipe and described indoor heat exchanger (10a, 10b).
5. aircondition according to claim 4 is characterized in that, also comprises, the second throttling arrangement (V5), first end connect the second end of described first throttle device (V1), and the second end connects the first end of described coil pipe.
6. aircondition according to claim 5, it is characterized in that, also comprise, the 3rd throttling arrangement (V8a, V8b), first end connects the second end of described first throttle device (V1), and the second end connects the first end of described indoor heat exchanger (10a, 10b).
7. aircondition according to claim 2 is characterized in that, also comprises, the first magnetic valve (V6), first end connect the second end of described coil pipe, and the second end connects the second end of described oil eliminator (5).
8. aircondition according to claim 1 is characterized in that, also comprises, the second magnetic valve (V7), first end connect the second end of described coil pipe, and the second end connects the 4th valve port of described cross valve (6).
9. aircondition according to claim 1 is characterized in that, described indoor heat exchanger (10a, 10b) is a plurality of parallel connections.
10. aircondition according to claim 1 is characterized in that, described water tank (9) and coil pipe are a plurality of parallel connections.
CN 201220535336 2012-10-18 2012-10-18 Air-conditioning device Active CN202813592U (en)

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Application Number Priority Date Filing Date Title
CN 201220535336 CN202813592U (en) 2012-10-18 2012-10-18 Air-conditioning device

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Application Number Priority Date Filing Date Title
CN 201220535336 CN202813592U (en) 2012-10-18 2012-10-18 Air-conditioning device

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103776089A (en) * 2012-10-18 2014-05-07 珠海格力电器股份有限公司 Air conditioning device and defrosting method
CN105352042A (en) * 2015-11-27 2016-02-24 深圳创维空调科技有限公司 Air conditioner indoor unit and air conditioner
CN106052212A (en) * 2016-07-20 2016-10-26 珠海格力电器股份有限公司 Multi-split system
CN106152263A (en) * 2015-04-07 2016-11-23 大金工业株式会社 Air conditioning system and control method thereof
CN106440459A (en) * 2016-10-26 2017-02-22 广东高而美制冷设备有限公司 Auxiliary heating enthalpy-increasing heat pump system and working mode thereof
CN109028650A (en) * 2018-07-27 2018-12-18 青岛海信日立空调系统有限公司 A kind of multi-gang air-conditioner hot water integrated machine

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103776089A (en) * 2012-10-18 2014-05-07 珠海格力电器股份有限公司 Air conditioning device and defrosting method
CN106152263B (en) * 2015-04-07 2020-03-17 大金工业株式会社 Air conditioning system and control method thereof
CN106152263A (en) * 2015-04-07 2016-11-23 大金工业株式会社 Air conditioning system and control method thereof
CN105352042B (en) * 2015-11-27 2019-03-12 深圳创维空调科技有限公司 Air conditioner indoor unit and air conditioner
CN105352042A (en) * 2015-11-27 2016-02-24 深圳创维空调科技有限公司 Air conditioner indoor unit and air conditioner
CN106052212A (en) * 2016-07-20 2016-10-26 珠海格力电器股份有限公司 Multi-split system
CN106440459A (en) * 2016-10-26 2017-02-22 广东高而美制冷设备有限公司 Auxiliary heating enthalpy-increasing heat pump system and working mode thereof
CN109028650A (en) * 2018-07-27 2018-12-18 青岛海信日立空调系统有限公司 A kind of multi-gang air-conditioner hot water integrated machine

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