CN201265919Y - Air Conditioning system - Google Patents

Air Conditioning system Download PDF

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Publication number
CN201265919Y
CN201265919Y CNU2008200499310U CN200820049931U CN201265919Y CN 201265919 Y CN201265919 Y CN 201265919Y CN U2008200499310 U CNU2008200499310 U CN U2008200499310U CN 200820049931 U CN200820049931 U CN 200820049931U CN 201265919 Y CN201265919 Y CN 201265919Y
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China
Prior art keywords
air
compressor
valve
capillary
flash vessel
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Expired - Lifetime
Application number
CNU2008200499310U
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Chinese (zh)
Inventor
张辉
钟明生
韩义
丘晓宏
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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 CNU2008200499310U priority Critical patent/CN201265919Y/en
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Abstract

The utility model relates to an air conditioner system, in particular to an air conditioner system capable of effectively increasing the entire air conditioner efficiency, which comprises a compressor, a reservoir, a flash evaporator, a first throttling part, a second throttling part, a four-way reversal valve, an outdoor heat exchanger and an indoor heat exchanger. All the parts are connected together by pipelines. The air outlet of the compressor is connected with the reversal valve by a pipeline, the first air entry of the compressor is connected with the reservoir by a pipeline, the other end of the reservoir is connected with the reversal valve, the steam outlet of the flash evaporator is connected with the second air entry of the compressor, the second throttling part comprises two capillary pipes and a check valve, the passage of one capillary pipe connected with the check valve in series is connected with the other capillary pipe in parallel, the conduction end of the second throttling part close to the check valve is connected with the first air entry of the flash evaporator, and the second air entry of the flash evaporator is connected with the first throttling part. The air conditioner system can achieve higher refrigeration amount and energy-efficiency ratio, and keep the original performance index under the heating work condition .

Description

Air-conditioning system
Technical field
The utility model relates to a kind of air-conditioning system, relates in particular to a kind of air-conditioning system that can effectively promote overall efficiency.
Background technology
At present, the injection of domestic air conditioner compressor increases enthalpy (EVI) technology and begins progressively to use, but adopts present system configuration mode.Only this effect just can obtain performance when air conditioner heat-production, and air-conditioner is under refrigeration mode, and this effect does not obtain performance.
For example, notification number is that the Chinese patent of CN201043823 discloses just following technical scheme:
The flow direction of cold-producing medium when as shown in Figure 1, thick arrow solid line represents that air-conditioning system heats among the figure; The flow direction of cold-producing medium when thin arrow solid line is represented the air-conditioning system refrigeration.
A kind of air-conditioning system comprises compressor 1, flash vessel assembly, four-way change-over valve 2, outdoor heat exchanger 3, indoor heat exchanger 4, reservoir 5, main throttle part 6; Link together by pipeline between each parts; Described compressor 1 has a gas outlet P1 and first and second two air entry X1, X2; Described flash vessel assembly comprises that one has flash vessel 8, two magnetic valves, 71,72, two capillaries, 91,92, two check valves 101,102 of air inlet 81, steam (vapor) outlet 82, liquid outlet 83; Part among the figure in the frame of broken lines is described flash vessel assembly.Wherein, the liquid outlet 83 of described flash vessel is connected to by the passage of first capillary 91 and second magnetic valve, 72 serial connections in parallel with second capillary 92, and then is connected in series the auxiliary throttle part that forms with second check valve 102 of the close described liquid outlet 83 of a conduction terminal; Steam (vapor) outlet 82 and ending between the end of described second check valve 102 at described flash vessel are connected to one first check valve 101, and the steam (vapor) outlet by end and described flash vessel of described first check valve 101 joins.Certainly, also can be the passage and second capillary, 92 ends partly in parallel that are connected in series by first capillary 91 and second magnetic valve 72 with described auxiliary throttle part with the end by described first check valve 101 that links to each other of end of described second check valve 102.Described auxiliary throttle part also can be to be formed by a capillary and a conduction terminal second check valve serial connection near described liquid outlet.
The steam (vapor) outlet 82 of described flash vessel links to each other with the second air entry X2 of described compressor by pipeline; Between the second air entry X2 of the steam (vapor) outlet 82 of described flash vessel and described compressor, be connected to one first magnetic valve 71; The air inlet 81 of described flash vessel links to each other with an end of described main throttle part 6, and main throttle part described in the present embodiment is a capillary; The other end of described main throttle part 6 inserts an end (as the definition standard, this end is the entrance point of indoor heat exchanger 4 with refrigeration mode) of described indoor heat exchanger 4; The contact of described first check valve 101 and second check valve 102 inserts an end (as the definition standard, this end is the port of export of outdoor heat exchanger 3 with refrigeration mode) of described outdoor heat exchanger 3.
Introduce the course of work of above-mentioned air-conditioning system below:
Under refrigeration mode, will close with first magnetic valve 71 that the second air entry X2 of described compressor 1 links to each other, this moment, the characteristic of compressor 1 was consistent with common compressor.The refrigerant gas that exhaust outlet of compressor P1 discharges, being introduced into outdoor heat exchanger 3 cools off, cooled high pressure refrigerant liquid enters flash vessel 8 by first check valve 101, this moment, flash vessel 8 effects were equivalent to the high pressure reservoir, can store refrigerant, when working conditions change, can play the effect of stable regulation by storage and release cold-producing medium to system.Be connected to main throttle part behind the air inlet 81 of flash vessel 8---capillary 6, carry out the throttling step-down, refrigerant liquid after the throttling enters indoor heat exchanger 4 and evaporates, refrigerant gas after the evaporation enters reservoir 5, this moment, reservoir 5 was a low-pressure oil storage, the effect of vapour liquid separator is arranged, and compressor 1 is compressed by absorption refrigeration agent gas in the reservoir 5, thereby finishes a complete kind of refrigeration cycle.At this moment, because the cause that second check valve 102 can only unidirectional conducting, so assist throttle part not have the conducting of cold-producing medium.
Under heating mode, will open with first magnetic valve 71 that the second air entry X2 of described compressor 1 links to each other, compressor 1 had and sprayed the function that increases enthalpy this moment.The high temperature and high pressure gas that compressor 1 is discharged is introduced into indoor heat exchanger 4, cold-producing medium carries out heat release, refrigerant liquid after the heat exchange carries out the throttling step-down through main capillary 6, become the cold-producing medium liquid-vapor mixture of low-temp low-pressure, this part cold-producing medium enters flash vessel 8 by air inlet 81, be equivalent to low-pressure oil storage, the effect of vapor-liquid separation is arranged.In flash vessel 8, because vapor-liquid separation effect, top will be refrigerant gas, the bottom is a refrigerant liquid, the refrigerant gas on flash vessel top enters compressor 1 from described steam (vapor) outlet 82 by first magnetic valve 71 and the second air entry X2, and the refrigerant liquid of bottom is under the effect of second check valve 102, will be by auxiliary throttle part, the cold-producing medium inlet chamber external heat exchanger 3 after the throttling evaporates.Refrigerant gas after the evaporation enters reservoir 5, enters the first air entry X1 of compressor 1 again, thereby finishes whole circulation.
Above-mentioned air-conditioning system is only sprayed when air conditioner heat-production and is increased the enthalpy technology and just can obtain performance, and air-conditioner is under refrigeration mode, and this effect does not obtain performance.
The utility model content
The purpose of this utility model provides a kind of air-conditioning system that obtains high refrigerating capacity and Energy Efficiency Ratio.
For achieving the above object, the utility model provides following technical scheme:
Air-conditioning system comprises compressor, reservoir, flash vessel, first throttle parts, second throttle part, four-way change-over valve, outdoor heat exchanger, indoor heat exchanger;
Link together by pipeline between each parts;
Described compressor has a gas outlet and first and second two air entries;
The gas outlet of described compressor connects described four-way change-over valve by pipeline, and first air entry of compressor connects described reservoir by pipeline; The other end of described reservoir connects described four-way change-over valve by pipeline;
Wherein,
Described flash vessel has a steam (vapor) outlet and first and second two air inlets; The steam (vapor) outlet of described flash vessel links to each other with second air entry of described compressor by pipeline;
Described second throttle part comprises two capillaries and a valve, wherein a capillary and valve the serial connection passage again with another capillary paralleling; The close described valve conduction terminal of described second throttle part connects first air inlet of described flash vessel, the other end junction chamber external heat exchanger of described second throttle part;
Second air inlet of described flash vessel connects described first throttle parts, and the other end of described first throttle parts connects indoor heat exchanger.
By the configuration of optimization system, under refrigeration and heating mode, above-mentioned air-conditioning system all can be utilized the vapor-liquid separation effect of flash vessel, under the cooling condition, can obtain higher refrigerating capacity and Energy Efficiency Ratio, under heating condition, keeps original performance indications.
Description of drawings
Fig. 1 is the principle schematic of prior art air-conditioning system;
Fig. 2 is the principle schematic of the utility model air-conditioning system first embodiment;
Fig. 3 is the principle schematic of the utility model air-conditioning system second embodiment;
Fig. 4 is the principle schematic of the utility model air-conditioning system the 3rd embodiment.
The utility model is described in further detail below in conjunction with drawings and Examples.
The specific embodiment
Embodiment one
The flow direction of cold-producing medium when as shown in Figure 2, thick arrow solid line represents that air-conditioning system heats among the figure; The flow direction of cold-producing medium when thin arrow solid line is represented the air-conditioning system refrigeration.
A kind of air-conditioning system comprises compressor 10, flash vessel 80, four-way change-over valve 20, outdoor heat exchanger 30, indoor heat exchanger 40, reservoir 50, first throttle parts 60 (i.e. a choke valve); Link together by pipeline between each parts; Described compressor 10 has a gas outlet B1 and first and second two air entry A1, A2.Described flash vessel has air inlet first, second air inlet 801,802 and steam (vapor) outlet 803.Two capillaries 702,704 and first check valve 701 and magnetic valve 703 are formed second throttle part, and in the present embodiment, the valve that is connected with capillary 702 is a check valve, and certain, this valve also can be two-port valve or magnetic valve etc.Wherein, first check valve 701, capillary 702, magnetic valve 703 are in sequential series, the branch road parallel connection that capillary 704 is connected with the three.First air inlet 801 of flash vessel 80 connects close first check valve, 701 conduction terminal of second throttle part 70, one end of the other end junction chamber external heat exchanger 30 of second throttle part 70 (as the definition standard, this end is the port of export of outdoor heat exchanger 30 with refrigeration mode).Second air inlet 802 of flash vessel 80 connects first throttle parts 60, and the other end of first throttle parts 60 connects an end (as the definition standard, this end is the entrance point of indoor heat exchanger 40 with refrigeration mode) of indoor heat exchanger.The steam (vapor) outlet 803 of flash vessel 80 connects the second air entry A2 of compressor 10 by pipeline.The first air entry A1 of compressor 10 connects reservoir 50, and the other end of reservoir 50 connects four-way change-over valve 20.The gas outlet B1 of compressor 10 connects four-way change-over valve 20.
Introduce the course of work of present embodiment below:
Under refrigeration mode, this air-conditioning system has sprays the function that increases enthalpy, the high temperature and high pressure gas inlet chamber external heat exchanger 30 that compressor 10 is discharged, through carrying out after the sufficient heat exchange, become the high-pressure liquid refrigerant, after this part liquid refrigerants process capillary 704 throttling step-down, enter flash vessel 80 from first air inlet 801, this moment, flash vessel 80 was for pressing reservoir in the conduct, can carry out effective vapour to refrigerant, liquid separates, refrigerant self carries out heat exchange, form saturated vapor and subcooled liquid, saturated vapor wherein no longer enters indoor heat exchanger 40, but the steam (vapor) outlet 803 by flash vessel 80 from the second air entry A2 of compressor 10 directly enter compressor 10 the pressure chamber, and compress and finish circulation.And the subcooled liquid of flash vessel 80 bottoms, further enter indoor heat exchanger 40 with certain mass dryness fraction after the throttling through first throttle parts 60 (being capillary), after indoor heat exchanger 40 heat exchange, refrigerant gas enters reservoir 50, the first air entry A1 that enters compressor 10 again compresses, thereby finishes circulation.Wherein, according to the type size, can press the refrigerant in chamber to carry out certain step-down and flow-control in the compressor 10 to entering, thereby reach optimum efficiency.
Under heating mode, this moment, compressor 10 had the function that injection increases enthalpy.The high temperature and high pressure gas that compressor 10 is discharged enters indoor heat exchanger 40, carry out heat release at indoor heat exchanger 40 inner refrigerants, refrigerant liquid after the heat exchange carries out the throttling step-down through first throttle parts 60, this part cold-producing medium enters flash vessel 80 from second air inlet, and flash vessel 80 has the effect of vapor-liquid separation equally.In flash vessel 80, because vapor-liquid separation effect, top will be refrigerant gas, the bottom is a refrigerant liquid, the refrigerant gas on flash vessel 80 tops enters compressor 10 by steam (vapor) outlet 803, the refrigerant liquid of bottom carries out throttling by capillary 702 and capillary 704, and the cold-producing medium inlet chamber external heat exchanger 30 after the throttling evaporates.Wherein, because of system in refrigeration with when heating, flash vessel 80 front and back refrigerant flow differences, so need first check valve 701 to regulate control, only by capillary 704, pass through capillary 704 and capillary 702 when heating during refrigeration, (normally 0 spends magnetic valve 703 under a certain characteristics temperature simultaneously, also can be other temperature) understand action, thus cut off 702 path, to reach better heating effect.Refrigerant gas after the effect evaporation of raising whole system enters reservoir 50, enters the first air entry A1 of compressor 10 again, thereby finishes whole circulation.
Embodiment two
As shown in Figure 3, the difference of the present embodiment and first embodiment is, set up capillary 90 between second air entry of the steam (vapor) outlet 803 of described flash vessel 80 and compressor 10, and this capillary 90 can the active balance system pressure and control flow etc.
Embodiment three
As shown in Figure 4, the difference of the present embodiment and second embodiment is that described first throttle parts 60 are composed in parallel by the passage that two each free capillaries and a check valve are concatenated into, and the conducting direction of the check valve in the two passes is opposite.Wherein, one is formed by main refrigerating capillary 604 and second check valve 603 serial connection, and the conduction terminal of described second check valve 603 is near second air inlet 802 of described flash vessel 80; Another heats capillary 602 by the master and the 3rd check valve 601 serial connections form, and the conduction terminal of described the 3rd check valve 601 is away from second air inlet 802 of described flash vessel 80.
Certainly, the utility model air-conditioning system also can be out of shape by other.In a word, doing conspicuous change according to the prompting of the foregoing description, and other every changes that do not break away from the utility model essence, all should be included within the described scope of claim.

Claims (5)

1, air-conditioning system comprises compressor, reservoir, flash vessel, first throttle parts, second throttle part, four-way change-over valve, outdoor heat exchanger, indoor heat exchanger;
Link together by pipeline between each parts;
Described compressor has a gas outlet and first and second two air entries;
The gas outlet of described compressor connects described four-way change-over valve by pipeline, and first air entry of compressor connects described reservoir by pipeline; The other end of described reservoir connects described four-way change-over valve by pipeline;
It is characterized in that:
Described flash vessel has a steam (vapor) outlet and first and second two air inlets; The steam (vapor) outlet of described flash vessel links to each other with second air entry of described compressor by pipeline;
Described second throttle part comprises two capillaries and a valve, wherein a capillary and valve the serial connection passage again with another capillary paralleling; The close described valve conduction terminal of described second throttle part connects first air inlet of described flash vessel, the other end junction chamber external heat exchanger of described second throttle part;
Second air inlet of described flash vessel connects described first throttle parts, and the other end of described first throttle parts connects indoor heat exchanger.
2, air-conditioning system according to claim 1,
It is characterized in that:
Described first throttle parts are a capillary.
3, air-conditioning system according to claim 1,
It is characterized in that:
Described first throttle parts comprise two capillaries and two check valves, and the series pipe that one of them check valve and a capillary are formed is in parallel with the polyphone pipeline that another check valve and another capillary are formed; The conducting direction of described two check valves is opposite.
4, according to any described air-conditioning system among the claim 1-3,
It is characterized in that:
Between second air entry of the steam (vapor) outlet of described flash vessel and described compressor, be provided with capillary.
5, air-conditioning system according to claim 1,
It is characterized in that:
Described valve is a kind of in check valve, two-port valve, the magnetic valve.
CNU2008200499310U 2008-06-30 2008-06-30 Air Conditioning system Expired - Lifetime CN201265919Y (en)

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Application Number Priority Date Filing Date Title
CNU2008200499310U CN201265919Y (en) 2008-06-30 2008-06-30 Air Conditioning system

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Application Number Priority Date Filing Date Title
CNU2008200499310U CN201265919Y (en) 2008-06-30 2008-06-30 Air Conditioning system

Publications (1)

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CN201265919Y true CN201265919Y (en) 2009-07-01

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CNU2008200499310U Expired - Lifetime CN201265919Y (en) 2008-06-30 2008-06-30 Air Conditioning system

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102538273A (en) * 2012-02-10 2012-07-04 海信(山东)空调有限公司 Vapor-injected air-conditioning system, vapor-injected air-conditioning control method and air-conditioner
CN102927008A (en) * 2011-08-10 2013-02-13 珠海格力节能环保制冷技术研究中心有限公司 Compressor, and air conditioning system having it
CN103807936A (en) * 2012-11-08 2014-05-21 杭州三花研究院有限公司 Heat pump air-conditioner system
CN104949402A (en) * 2014-03-28 2015-09-30 珠海格力电器股份有限公司 Refrigerant adjusting device, refrigerant adjusting method and air-conditioner

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102927008A (en) * 2011-08-10 2013-02-13 珠海格力节能环保制冷技术研究中心有限公司 Compressor, and air conditioning system having it
CN102927008B (en) * 2011-08-10 2015-06-03 珠海格力节能环保制冷技术研究中心有限公司 Compressor, and air conditioning system having it
CN102538273A (en) * 2012-02-10 2012-07-04 海信(山东)空调有限公司 Vapor-injected air-conditioning system, vapor-injected air-conditioning control method and air-conditioner
CN103807936A (en) * 2012-11-08 2014-05-21 杭州三花研究院有限公司 Heat pump air-conditioner system
CN103807936B (en) * 2012-11-08 2018-06-26 杭州三花研究院有限公司 A kind of heat pump air conditioning system
CN104949402A (en) * 2014-03-28 2015-09-30 珠海格力电器股份有限公司 Refrigerant adjusting device, refrigerant adjusting method and air-conditioner
CN104949402B (en) * 2014-03-28 2019-03-05 珠海格力电器股份有限公司 Refrigerant adjuster, refrigerant adjusting method and air conditioner

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