CN205784048U - Air conditioning system - Google Patents

Air conditioning system Download PDF

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Publication number
CN205784048U
CN205784048U CN201620478448.9U CN201620478448U CN205784048U CN 205784048 U CN205784048 U CN 205784048U CN 201620478448 U CN201620478448 U CN 201620478448U CN 205784048 U CN205784048 U CN 205784048U
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China
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valve
flow channels
current
conditioning system
air conditioning
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CN201620478448.9U
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冯涛
熊建国
李立民
焦华超
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Gree Electric Appliances Inc of Zhuhai
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Gree Electric Appliances Inc of Zhuhai
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Abstract

This utility model provides a kind of air conditioning system, and compressor, cross valve, outdoor heat exchanger, subcooler, throttle part and indoor heat exchanger set gradually formation refrigerating circuit;Outdoor heat exchanger includes the first current-collecting device, the second current-collecting device and the multiple flow tubes being connected between the first current-collecting device and the second current-collecting device;Subcooler includes the first flow channels and the second flow channels, and the first end of the first flow channels is communicated to the second current-collecting device, and the second end of the first flow channels is communicated to throttle part;First end of the second flow channels is communicated to the low pressure air suction end of compressor, and the second end of the second flow channels the first electromagnetic valve of connecting is communicated to the second end of the first flow channels;Switching device and at least one flow tube are arranged in series between the first current-collecting device and the second current-collecting device, and switching device is also communicated to the first electromagnetic valve.It realizes the low-temperature heating deicing function of air conditioning system, it is ensured that the osculum proper drainage of exchanger base.

Description

Air conditioning system
Technical field
This utility model relates to refrigerating field, particularly relates to a kind of air conditioning system.
Background technology
Generally, the outer machine product of domestic multi-connected machine often uses common frequency conversion high pressure chest screw compressor, I.e. use non-increasing enthalpy Scroll Inverter Compressor, compared with spray enthalpy frequency-changing cyclone compressor, have " with frequency, energy Power ability low, same, efficiency is low, high frequency delivery temperature high and low temperature operating mode heating capacity low " shortcoming.With Time, cold zone, heat the winter such as northeast, the Northwest, it is main for still using combusts fossil raw material, This not only causes substantial amounts of environmental pollution, also result in energy waste simultaneously.
Existing low-temperature enthalpy-increasing (EVI) multi-connected machine still has a problem to have to be solved under worst cold case.This Problem is exactly at cold zone, such as northeast, northwest and the area in North of Yangtze River North China, it may appear that temperature is rapid The possibility of fall, if daytime is close to 0 DEG C, has rain and snow mixed, but nighttime temperature rapid drawdown, and sleet Cheng Bing blocks draining Hole, though outer machine has a defrost process, but because osculum blocks cannot proper drainage, cause liquid condensation Water becomes again ice, because of frequent defrost on forming chamber external heat exchanger frost layer and constantly grow, finally affect room The heat exchange of external heat exchanger, the heat-exchange performance of this phenomenon meeting extreme influence unit and reliability.
Utility model content
Based on this, the purpose of this utility model is to provide a kind of air conditioning system, it is achieved that air conditioning system low Temperature heats deicing function, under the conditions of low-temperature heating, it is ensured that the ice sheet bottom outdoor heat exchanger melts completely, Make the osculum proper drainage of exchanger base;Ensure air conditioning system low-temperature heating capacity at low temperatures not Decay, it is achieved the reliability operation of unit.For achieving the above object, the technical solution of the utility model is as follows:
A kind of air conditioning system, including compressor, cross valve, outdoor heat exchanger, subcooler, throttle part, Indoor heat exchanger and switching device;Compressor, cross valve, outdoor heat exchanger, subcooler, throttle part and Indoor heat exchanger sets gradually formation refrigerating circuit;Described outdoor heat exchanger include the first current-collecting device, second Current-collecting device and multiple mistake theing be connected between described first current-collecting device and described second current-collecting device are flowed Pipe;
Described subcooler includes the first flow channels and the second flow channels, the first of described first flow channels End is communicated to described second current-collecting device, and the second end of described first flow channels is communicated to described throttle part; First end of described second flow channels is communicated to the low pressure air suction end of described compressor, and described second crosses circulation Second end in road the first electromagnetic valve of connecting is communicated to the second end of described first flow channels;Described switching device And at least one flow tube is arranged in series between described first current-collecting device and described second current-collecting device, institute Stating switching device and be also communicated to described first electromagnetic valve, described switching device is used at least one flow tube described Fluid switching, middle for the part flowed out from described throttle part temperature fluid can be incorporated into by described switching device In at least one flow tube described.
Wherein in an embodiment, described switching device includes the first three-way valve and the second three-way valve, described First three-way valve has the first valve port A1, the second valve port B1 and the 3rd valve port C1, and described first valve port A1 is even Being connected to the first end of at least one flow tube described, described second valve port B1 is connected to described first current-collecting device, Described 3rd valve port C1 is connected to the first end of described first electromagnetic valve;Described second three-way valve has the 4th valve Mouth A2, the 5th valve port B2 and the 6th valve port C2;Described 4th valve port A2 be connected to described at least one cross stream Second end of pipe, described 5th valve port B2 is connected to described second current-collecting device, and described 6th valve port C2 is even Being connected to the second end of described first electromagnetic valve, the second end of described first electromagnetic valve is connected to described second and crosses stream Second end of passage.
Wherein in an embodiment, described air conditioning system also includes the second electromagnetic valve, described second electromagnetic valve It is arranged in series between the first end and the low pressure air suction end of described compressor of described second flow channels.
Wherein in an embodiment, described air conditioning system also includes the first expansion valve, described first expansion valve It is arranged in series between the second end of described second flow channels and described first electromagnetic valve.
Wherein in an embodiment, described air conditioning system also includes the first check valve, described first check valve It is arranged in series between the first end and the intermediate pressure suction end of described compressor of described second flow channels, The intermediate pressure that described first check valve allows cold-producing medium to flow to described compressor from described second flow channels is inhaled Gas end.
Wherein in an embodiment, described outdoor heat exchanger is connected on the pipeline between described subcooler set It is equipped with on the second expansion valve, and described second expansion valve and has been arranged in parallel permission cold-producing medium from described outdoor heat exchange Device flows to the second check valve of described subcooler.
Wherein in an embodiment, described air conditioning system also includes gas-liquid separator, described gas-liquid separator It is arranged in series between the low pressure air suction end of described compressor and described cross valve.
Wherein in an embodiment, at least one flow tube described is the lower side of described outdoor heat exchanger Flow tube.
The beneficial effects of the utility model are:
Air conditioning system of the present utility model, realizes the fluid of at least one flow tube by arranging switching device Commutation, it is achieved that the low-temperature heating deicing function of air conditioning system, under the conditions of low-temperature heating, it is ensured that outdoor is changed Ice sheet bottom hot device melts completely, makes the osculum proper drainage of exchanger base;Ensure that air conditioning system exists Low-temperature heating capacity under low temperature condition is unattenuated, normally heating, under refrigeration mode, changes all without to outdoor Taking of hot device branch, it is achieved the reliability operation of unit.
Accompanying drawing explanation
Fig. 1 is that the air conditioning system of this utility model one embodiment at refrigeration mode or heats the system under defrost pattern Cryogen flows to schematic diagram;
Fig. 2 is the refrigerant flow direction schematic diagram under heating deice mode of the air conditioning system shown in Fig. 1;
Fig. 3 is the refrigerant flow direction schematic diagram under heating non-deice mode of the air conditioning system shown in Fig. 2;
Wherein,
101 cross valves;103 outdoor heat exchangers;104 subcoolers;105 throttle part 106 indoor heat exchangers;
107 first electromagnetic valves;108 first three-way valve;109 second three-way valve;110 second electromagnetic valves;
111 first expansion valves;112 first check valves;113 second expansion valves;114 second check valves;
115 gas-liquid separators;116 first stop valves;117 second stop valves.
Detailed description of the invention
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with accompanying drawing And air conditioning system of the present utility model is further elaborated by embodiment.It should be noted that not In the case of conflict, the feature in following embodiment and embodiment can be mutually combined.Should be appreciated that this Specific embodiment described by place is only used for explaining this utility model, is not used to limit this utility model.
Embodiment one
Referring to figs. 1 through Fig. 3, the air conditioning system of this utility model one embodiment includes compressor 101, cross valve 102, outdoor heat exchanger 103, subcooler 104, throttle part 105, indoor heat exchanger 106 and switching device. Compressor 101, cross valve 102, outdoor heat exchanger 103, subcooler 104, throttle part 105 and indoor Heat exchanger 106 sets gradually formation refrigerating circuit.Compressor 101 is enthalpy-increasing compressor, and enthalpy-increasing compressor is Refer to that there is the class compressor increasing gas benefit enthalpy function, it is characterized in that passing through gaseous coolant spraying technique, right Gaseous coolant forms second-compressed, ultimately forms the class compressor that capacity is big, ability is high.
Outdoor heat exchanger 103 includes the first current-collecting device, the second current-collecting device and is connected to the first afflux dress Put the multiple flow tubes between the second current-collecting device.I.e. one end of flow tube connects the first overflow means, mistake The other end of flow tube connects the second current-collecting device.It Fig. 1 is the first collection on the left of the main body of outdoor heat exchanger 103 Stream device, is the second current-collecting device on the right side of the main body of outdoor heat exchanger 103.Current-collecting device can be header or Diverter.Throttle part 105 can be expansion valve, preferably electric expansion valve.
Subcooler 104 includes the first flow channels and the second flow channels.First end (the figure of the first flow channels Upper end in 1) it is communicated to the second current-collecting device, second end (lower end in Fig. 1) of the first flow channels is communicated to Throttle part 105.First end (upper end in Fig. 1) of the second flow channels is communicated to the low pressure of compressor 101 Suction end, second end (lower end in Fig. 1) of the second flow channels the first electromagnetic valve 107 of connecting is communicated to Second end of one flow channels.
Switching device and at least one flow tube be arranged in series in the first current-collecting device and the second current-collecting device it Between, switching device is also communicated to the first electromagnetic valve 107, and switching device is for the stream of at least one flow tube described Body switch, switching device middle for the part flowed out from throttle part 105 temperature fluid can be incorporated into described at least In one flow tube.Preferably, at least one flow tube described is the mistake of lower side of outdoor heat exchanger 103 Flow tube.In Fig. 1, a flow tube of the lower side of switching device and outdoor heat exchanger 103 is arranged in series in the Between one current-collecting device and the second current-collecting device, switching device is for the one of the lower side of outdoor heat exchanger 103 The fluid switching of individual flow tube.
As the preferable mode of one, as it is shown in figure 1, switching device includes the first three-way valve 108 and second Three-way valve 109.Three-way valve, also known as three-way diverter valve, refers to be controlled by progressive motor, opens two passages Closing and control, during a-road-through, another road is closed, and i.e. can change the valve class that fluid flows to.
First three-way valve 108 has the first valve port A1, the second valve port B1 and the 3rd valve port C1.First valve port A1 is connected to the first end of at least one flow tube described, and the second valve port B1 is connected to the first current-collecting device, the Three valve port C1 are connected to the first end of the first electromagnetic valve 107.In Fig. 1, the first valve port A1 is connected to outdoor The left end of one flow tube of the lower side of heat exchanger 103.
Second three-way valve 109 has the 4th valve port A2, the 5th valve port B2 and the 6th valve port C2.4th valve port A2 is connected to the second end of at least one flow tube described, and the 5th valve port B2 is connected to the second current-collecting device, the Six valve port C2 are connected to the second end of the first electromagnetic valve 107, and the second end of the first electromagnetic valve 107 is connected to Second end of two flow channels.In Fig. 1, the 4th valve port A2 is connected to the one of the lower side of outdoor heat exchanger 103 The right-hand member of individual flow tube.
In the present embodiment, the second electromagnetic valve 110 is arranged in series in the first end and the compressor of the second flow channels Between the low pressure air suction end of 101.First expansion valve 111 is arranged in series in second end and of the second flow channels Between one electromagnetic valve 107.First check valve 112 is arranged in series in the first end and the compression of the second flow channels Between the intermediate pressure suction end of machine 101, the first check valve 112 allows cold-producing medium from the second flow channels stream To the intermediate pressure suction end of compressor 101.
In other embodiments, outdoor heat exchanger 103 is connected on the pipeline between subcooler 104 to set It is equipped with on the second expansion valve 113, and the second expansion valve 113 and has been arranged in parallel permission cold-producing medium from outdoor heat exchanger 103 the second check valves 114 flowing to subcooler 104.Low pressure air suction end and cross valve 102 at compressor 101 Between also can be arranged in series gas-liquid separator 115.First expansion valve 111 and the second expansion valve 113 can be electricity Sub-expansion valve.
The air conditioning system of above example, realizes the fluid of at least one flow tube by arranging switching device Commutation, it is achieved that the low-temperature heating deicing function of air conditioning system, under the conditions of low-temperature heating, it is ensured that outdoor is changed Ice sheet bottom hot device melts completely, makes the osculum proper drainage bottom outdoor heat exchanger;Ensure air-conditioning System low-temperature heating capacity at low temperatures is unattenuated, it is achieved the reliability operation of unit.
Embodiment two
The control mode of the air conditioning system in above example is as follows:
(1) refrigeration mode or or heat defrost pattern
As it is shown in figure 1, when air conditioning system is in refrigeration mode or heats defrost pattern, the first valve port A1 with Second valve port B1 conducting, the 4th valve port A2 and the 5th valve port B2 conducting, the first electromagnetic valve 107 and the second electricity Magnet valve 110 is all opened, and remaining vigour part, according to normal logic control.Wherein, air conditioning system is at refrigeration mould Formula is identical with the refrigerant flow direction heated under defrost pattern, and cold-producing medium specifically flows to such as direction of arrow institute in Fig. 1 Showing, the aerofluxus of compressor 101 flows into outdoor heat exchanger 103, from outdoor heat exchanger 103 by cross valve 102 The coolant flowed out enters the second expansion valve 113, and the cold-producing medium flowing out the second expansion valve 113 enters subcooler 104 The first flow channels, from subcooler 104 first flow channels flow out cold-producing medium be divided into two-way, wherein One tunnel sequentially pass through throttle part 105, indoor heat exchanger 106, cross valve 102, gas-liquid separator 115 and Return to the low pressure air suction end of compressor 101;Another road sequentially passes through first electromagnetic valve the 107, first expansion valve 111, the second flow channels of subcooler 104, the second electromagnetic valve 110 and gas-liquid separator 115 and return to pressure The low pressure air suction end of contracting machine 101.
Air conditioning system is at refrigeration mode or heats under defrost pattern, and outdoor heat exchanger 103 is entirely used for condensation and dissipates Heat, the i.e. branch of outdoor heat exchanger 103 are the most occupied, and now, a part of middle temperature high-pressure refrigerant is by the Two electromagnetic valves 107 flow into the first expansion valve 111, through the reducing pressure by regulating flow effect of the first expansion valve 111, become Low-temp low-pressure gaseous refrigerant, the first flow channels (main road) for subcooler 104 is lowered the temperature simultaneously, Improving degree of supercooling, in such a mode, " heating deice mode " does not comes into force.
(2) deice mode is heated
With reference to Fig. 2, under air conditioning system is in heating mode, as Tr < T1, the first expansion valve 111 is opened Open, the first valve port A1 and the 3rd valve port C1 conducting, the 4th valve port A2 and the 6th valve port C2 conducting, first Electromagnetic valve 107 and the second electromagnetic valve 110 are turned off, and air conditioning system is entered by heating mode and heats deice mode. I.e. under heating deice mode, the first expansion valve 111 is opened, the first valve port A1 and the 3rd valve port C1 conducting, 4th valve port A2 and the 6th valve port C2 conducting, the first electromagnetic valve 107 and the second electromagnetic valve 110 are turned off. Wherein, Tr is outdoor environment temperature, and T1 is the first preset temperature.T1 is preferably-15 DEG C.
Such as, when outdoor environment temperature Tr is less than-15 DEG C, air conditioning system is entered to heat by heating mode and removes Ice pattern, under heating deice mode, cold-producing medium specifically flows to as shown in the direction of arrow in Fig. 2, compressor The aerofluxus of 101 flows into indoor heat exchanger 106 by cross valve 102, the coolant flowed out from indoor heat exchanger 106 Entering throttle part 105, the cold-producing medium flowing out throttle part 105 is divided into two-way, and wherein a road sequentially passed through First flow channels of cooler 104, the second expansion valve 113, outdoor heat exchanger 103, cross valve 102 are gentle Liquid/gas separator 115 and return to the low pressure air suction end of compressor 101, complete a major cycle;Another Lu Xianliu Enter the 3rd valve port C1 of the first three-way valve 108, then flow out from the first valve port A1 of the first three-way valve 108 and enter Enter the flow tube of the lower side of outdoor heat exchanger 103, from the flow tube stream of the lower side of outdoor heat exchanger 103 The cold-producing medium gone out flow to the 4th valve port A2 of the second three-way valve 109, then the 6th valve from the second three-way valve 109 Mouth C2 flow to the first expansion valve 111, and the cold-producing medium flowed out from the first expansion valve 111 enters subcooler 104 Second flow channels, the cold-producing medium that the second flow channels flows out enters compressor 101 through the first check valve 112 Intermediate pressure suction end and enter in compressor 101.Under this pattern, " heat deice mode " mechanism in force.
Preferably, air conditioning system works the first Preset Time or/and Tr reaches second under heating deice mode During preset temperature T2, air conditioning system exits and heats deice mode.First Preset Time can be 30 minutes, second Preset temperature T2 can be-10 DEG C.
In other embodiments, air conditioning system exit heat deice mode after can be spaced the second Preset Time It is again introduced into heating deice mode.Second Preset Time can be 20-50 minute, such as, can be 30 minutes, when Right second Preset Time can be configured as other real number.
(3) non-deice mode is heated
As the preferable mode of one, as it is shown on figure 3, as Tr >=T2, the first electromagnetic valve 107 is opened, Second electromagnetic valve 110 cuts out, the first valve port A1 and the second valve port B1 conducting, the 4th valve port A2 and the 5th valve Mouth B2 conducting, air conditioning system exits and heats deice mode and enter and heat non-deice mode.That is it is non-heating Under deice mode, the first electromagnetic valve 107 is opened, and the second electromagnetic valve 110 cuts out, the first valve port A1 and second Valve port B1 turns on, and the 4th valve port A2 and the 5th valve port B2 conducting, remaining vigour part, according to normal logic control System.Wherein, T2 is the second preset temperature, T2 > T1.Such as second preset temperature T2 can be-10 DEG C.
Such as, when outdoor environment temperature Tr more than or equal to-10 DEG C or heat deice mode run 30 minutes time, First electromagnetic valve 107 is opened, and the second electromagnetic valve 110 cuts out, the first valve port A1 and the second valve port B1 conducting, 4th valve port A2 and the 5th valve port B2 conducting, air conditioning system exits and heats deice mode and enter and heat non-removing Ice pattern.Under heating non-deice mode, cold-producing medium specifically flows to as shown in the direction of arrow in Fig. 3, compression The aerofluxus of machine 101 flows into indoor heat exchanger 106 by cross valve 102, flows out from indoor heat exchanger 106 Coolant enters throttle part 105, and the cold-producing medium flowing out throttle part 105 is divided into two-way, wherein road warp successively Cross the first flow channels of subcooler 104, the second expansion valve 113, outdoor heat exchanger 103, cross valve 102 Return to the low pressure air suction end of compressor 101 with gas-liquid separator 115, complete a major cycle;Another road Sequentially pass through first electromagnetic valve the 107, first expansion valve 111, second flow channels and first of subcooler 104 Check valve 112 and enter the intermediate pressure suction end of compressor 101, finally enter in compressor 101.Should Under the mode of kind, outdoor heat exchanger 103 reverts to the heat exchanger being completely used for heating, through the first expansion valve 111 Cold-producing medium be directly entered the second flow channels of subcooler 104, by reducing pressure by regulating flow effect, become low temperature Low-pressure gaseous refrigerant, then flow in compressor through intermediate pressure suction end;Under this pattern, " heat deicing Pattern " failure mechanisms.
As the preferable mode of another kind, under air conditioning system is in heating mode, as T1≤Tr < T2, Judge air conditioning system whether for first entering into heating mode, the most then air conditioning system by heating mode proceed to system Hot deice mode, enters after running the first Preset Time and heat non-deice mode under heating deice mode, Otherwise air conditioning system is proceeded to heat non-deice mode by heating mode.Such as, during 15 DEG C≤Tr <-10 DEG C, first Secondary entrance is controlled according to " heating deice mode ", then controls according to " heating non-deice mode " System.
The air conditioning system of various embodiments above and control method thereof, realize at least one by arranging switching device The fluid reversing of individual flow tube, it is achieved that the low-temperature heating deicing function of air conditioning system, in low-temperature heating condition Under, it is ensured that the ice sheet bottom outdoor heat exchanger melts completely, makes the osculum proper drainage of exchanger base; Ensure that air conditioning system low-temperature heating capacity at low temperatures is unattenuated, normally heating, under refrigeration mode, Take all without to outdoor heat exchanger branch, it is achieved the reliability operation of unit.It is pollution-free, energy-conservation subtracts Row.
Embodiment described above only have expressed several embodiments of the present utility model, its describe more concrete and In detail, but therefore can not be interpreted as the restriction to this utility model the scope of the claims.It should be pointed out that, For the person of ordinary skill of the art, without departing from the concept of the premise utility, it is also possible to Making some deformation and improvement, these broadly fall into protection domain of the present utility model.Therefore, this utility model The protection domain of patent should be as the criterion with claims.

Claims (8)

1. an air conditioning system, it is characterised in that include compressor (101), cross valve (102), outdoor Heat exchanger (103), subcooler (104), throttle part (105), indoor heat exchanger (106) and switching dress Put;Compressor (101), cross valve (102), outdoor heat exchanger (103), subcooler (104), throttling Parts (105) and indoor heat exchanger (106) set gradually formation refrigerating circuit;Described outdoor heat exchanger (103) Including the first current-collecting device, the second current-collecting device and be connected to described first current-collecting device with described second collection Multiple flow tubes between stream device;
Described subcooler (104) includes the first flow channels and the second flow channels, described first flow channels The first end be communicated to described second current-collecting device, the second end of described first flow channels is communicated to described joint Stream unit (105);First end of described second flow channels is communicated to the low pressure of described compressor (101) and inhales Gas end, the second end of described second flow channels connect the first electromagnetic valve (107) be communicated to described first cross stream Second end of passage;Described switching device and at least one flow tube are arranged in series in described first current-collecting device And between described second current-collecting device, described switching device is also communicated to described first electromagnetic valve (107), institute Stating switching device and switch for the fluid of at least one flow tube described, described switching device can be by from described The part middle temperature fluid that throttle part (105) flows out is incorporated at least one flow tube described.
Air conditioning system the most according to claim 1, it is characterised in that described switching device includes first Three-way valve (108) and the second three-way valve (109), described first three-way valve (108) have the first valve port A1, Second valve port B1 and the 3rd valve port C1, described first valve port A1 are connected to the of at least one flow tube described One end, described second valve port B1 is connected to described first current-collecting device, and described 3rd valve port C1 is connected to institute State the first end of the first electromagnetic valve (107);Described second three-way valve (109) have the 4th valve port A2, Five valve port B2 and the 6th valve port C2;Described 4th valve port A2 is connected to the second of at least one flow tube described End, described 5th valve port B2 is connected to described second current-collecting device, and described 6th valve port C2 is connected to described Second end of the first electromagnetic valve (107), the second end of described first electromagnetic valve (107) is connected to described Second end of two flow channels.
Air conditioning system the most according to claim 2, it is characterised in that also include the second electromagnetic valve (110), Described second electromagnetic valve (110) is arranged in series in the first end of described second flow channels and described compressor (101) between low pressure air suction end.
Air conditioning system the most according to claim 3, it is characterised in that also include the first expansion valve (111), Described first expansion valve (111) is arranged in series in the second end of described second flow channels and described first electromagnetism Between valve (107).
Air conditioning system the most according to claim 4, it is characterised in that also include the first check valve (112), Described first check valve (112) is arranged in series in the first end of described second flow channels and described compressor (101), between intermediate pressure suction end, described first check valve (112) allows cold-producing medium from described the Two flow channels flow to the intermediate pressure suction end of described compressor (101).
6. according to the air conditioning system described in any one of claim 1-5, it is characterised in that described outdoor heat exchange Device (103) is connected on the pipeline between described subcooler (104) be provided with the second expansion valve (113), And it has been arranged in parallel permission cold-producing medium on described second expansion valve (113) from described outdoor heat exchanger (103) Flow to second check valve (114) of described subcooler (104).
7. according to the air conditioning system described in any one of claim 1-5, it is characterised in that also include that gas-liquid is divided From device (115), described gas-liquid separator (115) is arranged in series in the low pressure of described compressor (101) and inhales Between gas end and described cross valve (102).
8. according to the air conditioning system described in any one of claim 1-5, it is characterised in that described at least one Flow tube is the flow tube of the lower side of described outdoor heat exchanger (103).
CN201620478448.9U 2016-05-23 2016-05-23 Air conditioning system Active CN205784048U (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106016808A (en) * 2016-05-23 2016-10-12 珠海格力电器股份有限公司 Air-conditioning system and control method thereof
CN108362027A (en) * 2018-01-17 2018-08-03 珠海格力电器股份有限公司 A kind of heat pump system and its control method
CN109931720A (en) * 2017-12-15 2019-06-25 三菱电机(广州)压缩机有限公司 A kind of heat pump system

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106016808A (en) * 2016-05-23 2016-10-12 珠海格力电器股份有限公司 Air-conditioning system and control method thereof
CN106016808B (en) * 2016-05-23 2018-08-10 珠海格力电器股份有限公司 Air-conditioning system and its control method
CN109931720A (en) * 2017-12-15 2019-06-25 三菱电机(广州)压缩机有限公司 A kind of heat pump system
CN109931720B (en) * 2017-12-15 2024-02-09 三菱电机(广州)压缩机有限公司 Heat pump system
CN108362027A (en) * 2018-01-17 2018-08-03 珠海格力电器股份有限公司 A kind of heat pump system and its control method
WO2019141029A1 (en) * 2018-01-17 2019-07-25 珠海格力电器股份有限公司 Heat pump system and control method therefor
EP3722709A4 (en) * 2018-01-17 2021-04-21 Gree Electric Appliances, Inc. of Zhuhai Heat pump system and control method therefor
US11629899B2 (en) 2018-01-17 2023-04-18 Gree Electric Appliances, Inc. Of Zhuhai Heat pump system and control method therefor

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