CN205641657U - Air conditioning system - Google Patents

Air conditioning system Download PDF

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Publication number
CN205641657U
CN205641657U CN201620339262.5U CN201620339262U CN205641657U CN 205641657 U CN205641657 U CN 205641657U CN 201620339262 U CN201620339262 U CN 201620339262U CN 205641657 U CN205641657 U CN 205641657U
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China
Prior art keywords
liquid
discharging tube
air conditioning
conditioning system
flash vessel
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CN201620339262.5U
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Chinese (zh)
Inventor
郑雄
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Midea Group Co Ltd
GD Midea Air Conditioning Equipment Co Ltd
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Midea Group Co Ltd
Guangdong Midea Refrigeration Equipment Co Ltd
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Abstract

The utility model discloses an air conditioning system, including communicateing compressor, cross valve, indoor heat exchanger, throttling arrangement and the outdoor heat exchanger in order to form refrigerant circulation loop in proper order, air conditioning system still includes flash vessel, vapour and liquid separator and first pipeline subassembly, and the flash vessel concatenates on the liquid refrigerants pipeline section at throttling arrangement place, and vapour and liquid separator's inlet is connected to the air jet of flash vessel, and the tonifying qi mouth of compressor is connected to vapour and liquid separator's gas outlet, first pipeline subassembly is including first fluid -discharge tube that concatenates first solenoid valve and the second fluid -discharge tube that concatenates the second solenoid valve, vapour and liquid separator's liquid outlet communicates to the one end of flash vessel through first fluid -discharge tube is one -way to and communicate to the other end of flash vessel through the second fluid -discharge tube is one -way. The utility model discloses technical scheme makes the compressor can not take place back liquid, has promoted compressor -running's security to the reliability of air conditioning system normal operating has been ensured.

Description

Air conditioning system
Technical field
This utility model relates to air-conditioning technical field, particularly to a kind of air conditioning system.
Background technology
In order to promote the performance of air conditioning system, the mode to compressor QI invigorating would generally be used at present to promote degree of supercooling.The QI invigorating mode of existing compressor is usually: increase flash vessel in refrigerant circulation circuit, the puff prot of flash vessel is directly to the gas supplementing opening QI invigorating of compressor, owing to the gas that the puff prot of flash vessel sprays still being mixed with the liquid refrigerant of part, therefore, when being compressor QI invigorating by this kind of mode, still have some liquid refrigerant and enter in compressor, so easily cause compressor and produce liquid hit phenomenon, cause compressor damage, affect the operation of air conditioning system.
Utility model content
Main purpose of the present utility model is to provide a kind of air conditioning system, it is intended to avoids the gas supplementing opening of compressor that liquid occurs back, ensures the reliability of operation of air conditioning system.
For achieving the above object, the air conditioning system that the utility model proposes, including being sequentially communicated to form the compressor of refrigerant circulation circuit, cross valve, indoor heat exchanger, throttling arrangement and outdoor heat exchanger, described air conditioning system also includes flash vessel, gas-liquid separator and the first pipeline assembly, described flash vessel is serially connected on the liquid refrigerants pipeline section at described throttling arrangement place, the puff prot of described flash vessel connects the inlet of described gas-liquid separator, and the gas outlet of described gas-liquid separator connects the gas supplementing opening of described compressor;Described first pipeline assembly includes being serially connected with the first discharging tube of the first electromagnetic valve and being serially connected with the second discharging tube of the second electromagnetic valve;The liquid outlet of described gas-liquid separator is through one end of described first discharging tube unilaterally connected to described flash vessel, and the other end through described second discharging tube unilaterally connected to described flash vessel.
Preferably, described first discharging tube is also serially connected with the first check valve of conducting on the outflow direction of described liquid outlet, described second discharging tube is also serially connected with the second check valve of conducting on the outflow direction of described liquid outlet.
Preferably, described first pipeline assembly also includes the 4th check valve, and the liquid outlet of described gas-liquid separator connects described first discharging tube and described second discharging tube respectively through described 4th check valve, and described 4th check valve turns on the outflow direction of described liquid outlet.
Preferably, described throttling arrangement includes that first throttle parts and second section stream unit, described first throttle parts are connected between described flash vessel and described indoor heat exchanger, and described second section stream unit is connected between described flash vessel and described outdoor heat exchanger.
Preferably, described air conditioning system also includes the second pipeline assembly, the fluid reservoir of described compressor is provided with leakage fluid dram, and described leakage fluid dram is communicated to the liquid refrigerants pipeline section at described throttling arrangement place through described second pipeline assembly, and described second pipeline assembly turns on the outflow direction of described leakage fluid dram.
Preferably, described second pipeline assembly includes the 3rd discharging tube, and described 3rd discharging tube is serially connected with the 3rd electromagnetic valve and the 3rd check valve, and described leakage fluid dram is communicated to the liquid refrigerants pipeline section at described throttling arrangement place through described 3rd discharging tube.
Liquid refrigerants in liquid refrigerants pipeline section is carried out separating for the first time by technical solutions of the utility model by flash vessel by using, use gas-liquid separator that the gaseous coolant separated in flash vessel is carried out secondary gas-liquid separation after isolating gaseous coolant again, the gaseous coolant obtained after secondary gas-liquid separation is sent into the gas supplementing opening of compressor, to compressor QI invigorating, improve air conditioning system refrigeration or the efficiency heated;It is that isolated gaseous coolant obtains through the secondary gas-liquid separation of gas-liquid separator again from flash vessel owing to sending into the gaseous coolant of gas supplementing opening, in the gaseous coolant of the gas supplementing opening therefore sending into compressor, the amount Han liquid refrigerants is few, will not make compressor that liquid occurs back, improve the safety of compressor operating, thus ensure the reliability that air conditioning system is properly functioning;And, the liquid refrigerants that gas-liquid separator separates stays returns to liquid refrigerants pipeline section from the first discharging tube or the second discharge opeing pipe flow, make the coolant quantity in air conditioning system to reduce, prevent that again gas-liquid separator accumulates too much coolant and cause the gas outlet discharge opeing of gas-liquid separator.
Accompanying drawing explanation
In order to be illustrated more clearly that this utility model embodiment or technical scheme of the prior art, the accompanying drawing used required in embodiment or description of the prior art will be briefly described below, apparently, accompanying drawing in describing below is only embodiments more of the present utility model, for those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to obtain other accompanying drawing according to the structure shown in these accompanying drawings.
Fig. 1 is the structural representation of this utility model air conditioning system one embodiment the first embodiment;
Fig. 2 is the structural representation of this utility model air conditioning system one embodiment the second embodiment;
Fig. 3 is the structural representation of this utility model another embodiment of air conditioning system.
Drawing reference numeral illustrates:
Label Title Label Title
10 Compressor 20 Cross valve
30 Indoor heat exchanger 40 Throttling arrangement
50 Outdoor heat exchanger 60 Flash vessel
70 Gas-liquid separator 90 Second pipeline assembly
11 Gas supplementing opening 12 Fluid reservoir
41 First throttle parts 42 Second section stream unit
61 Puff prot 62 First end
63 Second end 71 Inlet
72 Gas outlet 73 Liquid outlet
81 First discharging tube 82 Second discharging tube
91 3rd discharging tube 121 Leakage fluid dram
W1 First electromagnetic valve W2 Second electromagnetic valve
W3 3rd electromagnetic valve D1 First check valve
D3 3rd check valve D2 Second check valve
D4 4th check valve
The realization of this utility model purpose, functional characteristics and advantage will in conjunction with the embodiments, are described further referring to the drawings.
Detailed description of the invention
Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is clearly and completely described, it is clear that described embodiment is only a part of embodiment of the present utility model rather than whole embodiments.Based on the embodiment in this utility model, the every other embodiment that those of ordinary skill in the art are obtained under not making creative work premise, broadly fall into the scope of this utility model protection.
Need explanation, in this utility model embodiment, directional instruction (such as up, down, left, right, before and after ...) is only used for explanation relative position relation under a certain particular pose (as shown in drawings) between each parts, motion conditions etc., if this particular pose changes, then directionality instruction changes the most therewith.
It addition, the description relating to " first ", " second " etc. in this utility model is only used for describing purpose, and it is not intended that indicate or imply its relative importance or the implicit quantity indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can express or implicitly include at least one this feature.Additionally; technical scheme between each embodiment can be combined with each other; but must be based on those of ordinary skill in the art are capable of; when technical scheme combination occur conflicting maybe cannot realize time will be understood that the combination of this technical scheme does not exists, the most not this utility model require protection domain within.
The utility model proposes a kind of air conditioning system.
Referring to figs. 1 through the structural representation that Fig. 3, Fig. 1 are this utility model air conditioning system one embodiment the first embodiment;Fig. 2 is the structural representation of this utility model air conditioning system one embodiment the second embodiment;Fig. 3 is the structural representation of this utility model another embodiment of air conditioning system.
With reference first to Fig. 1 and Fig. 2, in one embodiment, this air conditioning system includes being sequentially communicated to be formed the compressor 10 of refrigerant circulation circuit, cross valve 20, indoor heat exchanger 30, throttling arrangement 40 and outdoor heat exchanger 50, and the most above-mentioned five parts (compressor 10, cross valve 20, indoor heat exchanger 30, throttling arrangement 40 and outdoor heat exchanger 5050) constitute basic air conditioning system.The air conditioning system of the present embodiment also includes flash vessel 60, gas-liquid separator 70 and the first pipeline assembly (non-label);Flash vessel 60 is serially connected on the liquid refrigerants pipeline section (i.e. the coolant pipeline section between indoor heat exchanger 30 and outdoor heat exchanger 50 at throttling arrangement 40 place) at throttling arrangement 40 place, i.e. liquid refrigerants in liquid refrigerants pipeline section is both needed to flow through flash vessel 60, the liquid refrigerants in the liquid refrigerants pipeline section liquid mouth from flash vessel 60 one end flows into, and flows out from the liquid mouth of flash vessel 60 other end;The puff prot 61 of flash vessel 60 connects the inlet 72 of gas-liquid separator 70, and the gas outlet 71 of gas-liquid separator 70 connects the gas supplementing opening 11 of compressor 10;First pipeline assembly includes the first discharging tube 81 being serially connected with the first electromagnetic valve W1 and is serially connected with second discharging tube 82 of the second electromagnetic valve W2;The liquid outlet 73 of gas-liquid separator 70 (is designated as " the first end 62 " through one end of the first discharging tube 81 unilaterally connected to flash vessel 60, in the present embodiment the first end 62 by flash vessel 60 as a example by one end of indoor heat exchanger 30, then the other end of flash vessel 60 is the one end near outdoor heat exchanger 50), and the other end (being designated as " the second end 63 ") through the second discharging tube 82 unilaterally connected to flash vessel 60;The i.e. liquid outlet 73 of gas-liquid separator 70 can flow out coolant through the first discharging tube 81 and the second discharging tube 82 to liquid refrigerants pipeline section, and the coolant in liquid refrigerants pipeline section can not be from first discharging tube the 81, second discharging tube 82 adverse current coolant to gas-liquid separator 70.
The air conditioning system of the present embodiment is operationally, coolant circulates in refrigerant circulation circuit, when liquid refrigerants in liquid refrigerants pipeline section flows through flash vessel 60, liquid refrigerants carries out gas-liquid separation for the first time in flash vessel 60, isolate the gaseous coolant of remaining in liquid refrigerants, liquid refrigerants after separation flow back into liquid refrigerants pipeline section from flash vessel 60, isolated gaseous coolant then sprays from the puff prot 61 of flash vessel 60, and the gaseous coolant of flash vessel 60 puff prot 61 ejection enters into gas-liquid separator 70 from the inlet 72 of gas-liquid separator 70;Enter into the gaseous coolant in gas-liquid separator 70 again through the secondary gas-liquid separation of gas-liquid separator 70, a small amount of liquid refrigerants of remaining in gaseous coolant is separated, gaseous coolant after secondary gas-liquid separation is discharged to compressor 10 carry out QI invigorating from the gas outlet 71 of gas-liquid separator 70, stays the liquid refrigerants in gas-liquid separator 70 and then flow back into the liquid refrigerants pipeline section at throttling arrangement 40 place through the first discharging tube 81 or the second discharging tube 82 from its liquid outlet 73.
Concrete, the air conditioning system of the present embodiment is when running refrigeration, open the first electromagnetic valve W1 and close the second electromagnetic valve W2, coolant in liquid refrigerants pipeline section flows to flow to indoor heat exchanger 30 for outdoor heat exchanger 50, liquid refrigerants in gas-liquid separator 70 flows out to the first end 62 of flash vessel 60 from its liquid outlet 73 through the first discharging tube 81, and the liquid refrigerants flowed out with the first end 62 of flash vessel 60 flows to indoor heat exchanger 30;When operation heats, open the second electromagnetic valve W2 and close the first electromagnetic valve W1, coolant in liquid refrigerants pipeline section flows to flow to outdoor heat exchanger 50 for indoor heat exchanger 30, liquid refrigerants in gas-liquid separator 70 flows out to the second end 63 of flash vessel 60 from its liquid outlet 73 through the second discharging tube 82, and the liquid refrigerants flowed out with the second end 63 of flash vessel 60 flows to outdoor heat exchanger 50;So, the liquid refrigerants in gas-liquid separator 70 will not carry out gas-liquid separation because of again passing by flash vessel 60, and affects the gas-liquid separation efficiency of flash vessel 60.Additionally, in other embodiments, first electromagnetic valve W1 and the second electromagnetic valve W2 can substitute with a three-way magnetic valve, i.e. liquid outlet 73 connects the first discharging tube 81 and the second discharging tube 82 respectively by three-way magnetic valve, by controlling three-way magnetic valve switched conductive interface, it is achieved select liquid outlet 73 is carried out the discharging tube (first discharging tube 81 or the second discharging tube 82) of discharge opeing.
Liquid refrigerants in liquid refrigerants pipeline section is carried out separating for the first time by the technical scheme of the present embodiment by flash vessel 60 by using, use gas-liquid separator 70 that the gaseous coolant separated in flash vessel 60 is carried out secondary gas-liquid separation after isolating gaseous coolant again, the gaseous coolant obtained after secondary gas-liquid separation is sent into the gas supplementing opening 11 of compressor 10, to compressor 10 QI invigorating, improve air conditioning system refrigeration or the efficiency heated;It is that isolated gaseous coolant obtains through the secondary gas-liquid separation of gas-liquid separator 70 again from flash vessel 60 owing to sending into the gaseous coolant of gas supplementing opening 11, in the gaseous coolant of the gas supplementing opening 11 therefore sending into compressor 10, the amount Han liquid refrigerants is few, will not make compressor 10 that liquid occurs back, improve the safety that compressor 10 runs, thus ensure the reliability that air conditioning system is properly functioning;And, gas-liquid separator 70 separates the liquid refrigerants stayed and flow back into liquid refrigerants pipeline section from the first discharging tube 81 or the second discharging tube 82, make the coolant quantity in air conditioning system to reduce, prevent that again gas-liquid separator 70 accumulates too much coolant and cause gas outlet 71 discharge opeing of gas-liquid separator 70.
Further, the throttling arrangement 40 in the present embodiment includes first throttle parts 41 and second section stream unit 42, and first throttle parts 41 are connected between flash vessel 60 and indoor heat exchanger 30, and second section stream unit 42 is connected between flash vessel 60 and outdoor heat exchanger 50.By flash vessel 60 is arranged between first throttle parts 41 and second section stream unit 42, make no matter air conditioning system is when running refrigeration or heating, liquid refrigerants just enters in flash vessel 60 after being required to be throttled by a throttle part, the hydraulic pressure avoiding flash vessel 60 two ends is excessive and accumulates too much liquid refrigerants in flash vessel 60, the situation causing coolant in refrigerant circulation circuit very few occurs, it is ensured that the stable operation of air conditioning system.
With reference to Fig. 1, the first embodiment for the present embodiment, in the present embodiment, the first discharging tube 81 is also serially connected with first check valve D1 of conducting on the outflow direction of liquid outlet 73, the second discharging tube 82 is also serially connected with second check valve D2 of conducting on the outflow direction of liquid outlet 73.The present embodiment prevents liquid refrigerants from the first discharging tube 81 adverse current to gas-liquid separator 70 by the first check valve D1, and prevents liquid refrigerants from the second discharging tube 82 adverse current to gas-liquid separator 70 by the second check valve D2.
With reference to Fig. 2, the second embodiment for the present embodiment, in the present embodiment, first pipeline assembly also includes the 4th check valve D4, the liquid outlet 73 of gas-liquid separator 70 connects the first discharging tube 81 and the second discharging tube 82 respectively through the 4th check valve D4, and the 4th check valve D4 turns on the outflow direction of liquid outlet 73.The present embodiment prevents coolant in liquid refrigerants pipe from the first discharging tube 81 and the second discharging tube 82 to 73 times liquid of liquid outlet by the 4th check valve D4;Compared to the first embodiment, decreasing the use of a check valve, structure is simpler.Certainly, it is achieved liquid outlet 73 one-way conduction of the present embodiment can also be other similar scheme.
With reference to Fig. 3, proposing another embodiment of air conditioning system of the present invention, the technical scheme of the present embodiment is based on any embodiment in an embodiment.In another embodiment, this air conditioning system also includes the second pipeline assembly 90, the fluid reservoir 12 of compressor 10 is provided with leakage fluid dram 121, leakage fluid dram 121 is communicated to the liquid refrigerants pipeline section at throttling arrangement 40 place through the second pipeline assembly 90, second pipeline assembly 90 turns on the outflow direction of leakage fluid dram 121, i.e. second pipeline assembly 90 only turns on the direction flowing to liquid refrigerants pipeline section, and the coolant in liquid refrigerants pipeline section can not be from the second pipeline assembly 90 adverse current to fluid reservoir 12.In the present embodiment, the liquid refrigerants in fluid reservoir 12 is discharged in liquid refrigerants pipeline section, for coolant system by the second pipeline assembly 90.In so avoiding in fluid reservoir 12 owing to liquid refrigerants too much causes compressor 10 that liquid fault occurs back, ensured the safety of compressor 10, simultaneously, it is to avoid the situation that in medium circulation pipeline, heat exchange efficiency is low by liquid refrigerants is very few.
Further, with reference to Fig. 3, second pipeline assembly 90 of the present embodiment includes the 3rd discharging tube 91, and the 3rd discharging tube 91 is serially connected with the 3rd electromagnetic valve W3 and the 3rd check valve D3, and leakage fluid dram 121 is communicated to the liquid refrigerants pipeline section at throttling arrangement 40 place through the 3rd discharging tube 91.Prevent liquid refrigerants from reversely floing back towards in fluid reservoir 12 through the 3rd discharging tube 91 by the 3rd check valve D3.Certainly, as a example by the present embodiment is simply using the 3rd discharging tube 91 that is serially connected with the 3rd electromagnetic valve W3 and the 3rd check valve D3 as the second pipeline assembly 90, second pipeline assembly 90 can also be other scheme, such as, it is made up of two discharging tubes, two discharging tubes are connected to the two ends of throttling arrangement 40, etc..
All throttle parts that the embodiment of the present invention is mentioned can be all capillary tube, electric expansion valve, choke valve or other parts possessing throttling action or assembly.
The foregoing is only preferred embodiment of the present utility model; not thereby the scope of the claims of the present utility model is limited; every under inventive concept of the present utility model; utilize the equivalent structure transformation that this utility model description and accompanying drawing content are made, or directly/be indirectly used in other relevant technical fields and be included in scope of patent protection of the present utility model.

Claims (6)

1. an air conditioning system, including be sequentially communicated to be formed the compressor of refrigerant circulation circuit, cross valve, Indoor heat exchanger, throttling arrangement and outdoor heat exchanger, it is characterised in that described air conditioning system also includes dodging Steaming device, gas-liquid separator and the first pipeline assembly, described flash vessel is serially connected in described throttling arrangement place On liquid refrigerants pipeline section, the puff prot of described flash vessel connects the inlet of described gas-liquid separator, described The gas outlet of gas-liquid separator connects the gas supplementing opening of described compressor;Described first pipeline assembly includes concatenation There is the first discharging tube of the first electromagnetic valve and be serially connected with the second discharging tube of the second electromagnetic valve;Described gas-liquid is divided From the liquid outlet of device through described first discharging tube unilaterally connected to one end of described flash vessel, and through described The other end of the second discharging tube unilaterally connected extremely described flash vessel.
2. air conditioning system as claimed in claim 1, it is characterised in that also go here and there on described first discharging tube It is connected to the first check valve of conducting on the outflow direction of described liquid outlet, described second discharging tube is also gone here and there It is connected to the second check valve of conducting on the outflow direction of described liquid outlet.
3. air conditioning system as claimed in claim 1, it is characterised in that described first pipeline assembly also wraps Including the 4th check valve, the liquid outlet of described gas-liquid separator connects described respectively through described 4th check valve One discharging tube and described second discharging tube, described 4th check valve is led on the outflow direction of described liquid outlet Logical.
4. the air conditioning system as described in any one in claims 1 to 3, it is characterised in that described joint Stream device includes that first throttle parts and second section stream unit, described first throttle parts are connected to described sudden strain of a muscle Between steaming device and described indoor heat exchanger, described second section stream unit is connected to described flash vessel and described room Between external heat exchanger.
5. air conditioning system as claimed in claim 4, it is characterised in that described air conditioning system also includes the Two pipeline assemblies, the fluid reservoir of described compressor is provided with leakage fluid dram, and described leakage fluid dram is managed through described second Road assembly is communicated to the liquid refrigerants pipeline section at described throttling arrangement place, and described second pipeline assembly is described Turn on the outflow direction of leakage fluid dram.
6. air conditioning system as claimed in claim 5, it is characterised in that described second pipeline assembly includes 3rd discharging tube, described 3rd discharging tube is serially connected with the 3rd electromagnetic valve and the 3rd check valve, described discharge opeing Mouth is communicated to the liquid refrigerants pipeline section at described throttling arrangement place through described 3rd discharging tube.
CN201620339262.5U 2016-04-20 2016-04-20 Air conditioning system Active CN205641657U (en)

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Application Number Priority Date Filing Date Title
CN201620339262.5U CN205641657U (en) 2016-04-20 2016-04-20 Air conditioning system

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Application Number Priority Date Filing Date Title
CN201620339262.5U CN205641657U (en) 2016-04-20 2016-04-20 Air conditioning system

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106440571A (en) * 2016-11-15 2017-02-22 珠海格力电器股份有限公司 Flash tank and heat pump device comprising same
CN109631380A (en) * 2018-11-16 2019-04-16 青岛海尔空调电子有限公司 Air-conditioner outdoor unit group and air conditioner

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106440571A (en) * 2016-11-15 2017-02-22 珠海格力电器股份有限公司 Flash tank and heat pump device comprising same
CN109631380A (en) * 2018-11-16 2019-04-16 青岛海尔空调电子有限公司 Air-conditioner outdoor unit group and air conditioner
CN109631380B (en) * 2018-11-16 2021-08-06 青岛海尔空调电子有限公司 Air conditioner outdoor unit and air conditioner

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