CN102410674A - Condenser and air conditioner using same - Google Patents
Condenser and air conditioner using same Download PDFInfo
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- CN102410674A CN102410674A CN2011104365311A CN201110436531A CN102410674A CN 102410674 A CN102410674 A CN 102410674A CN 2011104365311 A CN2011104365311 A CN 2011104365311A CN 201110436531 A CN201110436531 A CN 201110436531A CN 102410674 A CN102410674 A CN 102410674A
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Abstract
The invention provides a condenser and an air conditioner using the same, which are capable of solving the problem that heat exchange efficiency is low because a design for separating gas and liquid phase refrigerants does not exist in the prior art. The technical scheme of the invention is as follows: the condenser comprises an inner row of U-shaped pipes, an outer row of U-shaped pipes, an air inlet pipe, a liquid outlet pipe and a gas-liquid phase separating pipe, wherein a refrigerant enters the inner row of U-shaped pipes of the condenser after passing through the air inlet pipe, is shunted and collected to enter the gas-liquid phase separating pipe and flows out through the liquid outlet pipe. According to the condenser disclosed by the invention, gas and liquid phases of the refrigerant of a heat exchanger are separated by using the gas-liquid phase separating pipe through starting from the angle of increasing heat exchange coefficient of the inner side of a pipe of the heat exchanger, proportion of gas and liquid phases in the pipe is adjusted, humidity in the pipe is reduced, it is equivalent that effective heat exchange area in the pipe of the heat exchanger is increased, heat exchange coefficient of the inner side of the pipe of the heat exchanger is increased, and therefore whole heat exchange capability of the heat exchanger is enhanced.
Description
Technical field
The invention belongs to air-conditioning and Refrigeration Engineering technical field, specifically, relate to a kind of air-conditioner that adopts gas-liquid phase-splitting pipe to carry out the condenser of gas-liquid separation and adopt this condenser.
Background technology
The gas-liquid separation of condenser design is very important on the air-conditioner, and it can directly influence the efficient of heat convection, thereby influences the height of heat.In the condenser since a large amount of refrigerant liquid exist; Occupy copper pipe wetted perimeter area, reduced gas refrigerant and extraneous heat exchange effect, have only two phase refrigerant in the condenser is separated; Could bring into play the heat exchange efficiency of heat exchanger to the full extent, improve exchange capability of heat.
Summary of the invention
The invention provides a kind of condenser and adopt the air-conditioner of this condenser, it can solve prior art and not cause the not high problem of heat exchange efficiency because of the gas-liquid two-phase cold-producing medium has separate design.
In order to solve the problems of the technologies described above, technical scheme of the present invention is,
A kind of condenser, row U pipe effluxes the U pipe in comprising; Air inlet pipe, drain pipe also is provided with gas-liquid phase-splitting pipe; Cold-producing medium gets into the interior row U pipe of condenser after through said air inlet pipe, also gathers the back through shunting and gets into said gas-liquid phase-splitting pipe, at last through said drain pipe outflow.
Condenser of the present invention is from improving the inboard coefficient of heat transfer of Tube Sheet of Heat Exchanger; Separate mutually through gas-liquid phase-splitting pipe heat exchanging device refrigerant air-liquid two; Adjust the ratio of gas-liquid two-phase in the pipe, reduced the wetted perimeter in the pipe, be equivalent to enlarge effective intraductal heat exchange area of heat exchanger; Improve the inboard coefficient of heat transfer of Tube Sheet of Heat Exchanger, thereby improved the whole exchange capability of heat of heat exchanger.
Further; Said gas-liquid phase-splitting pipe separates the gas-liquid two-phase cold-producing medium that gets in it, and said gas-liquid phase-splitting pipe one side is provided with the gas-liquid inlet pipe, and top is provided with gas and goes out pipe; The bottom is provided with liquid and goes out pipe; Isolated gas part goes out pipe from upper gas to be separated out the back and gets into gas flow path, and the liquid part goes out pipe from lower liquid to be separated out the back and get into liquid flow path, thereby has reached the purpose that the gas-liquid two-phase cold-producing medium is separated.
Further, the liquid of said gas-liquid phase-splitting pipe bottom goes out pipe and connects the shunting capillary, and said liquid part gets into the said U pipe that effluxes through said shunting capillary.Pressure distribution through this shunting capillary can be regulated the gas-liquid two-way makes gas-liquid separation complete.
Again further, said shunting capillary inner diameter is 2.0-4.0mm, and length is 50-200mm.
Again further, the cold-producing medium outlet capillary of before getting into said drain pipe, flowing through earlier.The outlet capillary is the pressure distribution of regulating two-way outlet equally, and the lower liquid of auxiliary gas-liquid phase-splitting pipe goes out pipe.
Preferably, said outlet capillary inner diameter is 1.2-2.0mm, and length is 50-200mm.
For further improving the coefficient of heat transfer of refrigerant side; Flow arrangement to condenser is also adjusted again: said air inlet pipe is divided into the interior row U pipe of four tunnel entering condensers; Then after flowing out, U pipe back four tunnel incorporates said gas-liquid phase-splitting pipe into through said gas-liquid inlet pipe through effluxing; Air inlet pipe has guaranteed that the refrigerant gas that gets into condenser is divided into four parts equably, makes that the heat flow density of condenser is evenly approaching, has reduced the whole refrigerant crushing of condenser.
The present invention relates to a kind of high efficient heat exchanging condenser that adopts gas-liquid phase-splitting pipe to carry out gas-liquid separation, the new structure of this efficient condenser is mainly reflected in: reasonably flow arrangement, novel gas-liquid phase-splitting pipe group design, shunt accurately capillary design.
This efficient condenser is the exchange capability of heat that improves heat exchanger from the coefficient of heat transfer aspect that improves refrigerant side, and the factor that influences the refrigerant side coefficient of heat transfer has the ratio of gas-liquid two-phase.Than before design of condenser; This efficient condenser accurately separates the two phase refrigerant in the heat exchange manifold through gas-liquid phase-splitting pipe; Gas-liquid two-phase is walked different streams, has improved the utilization ratio of heat exchange manifold greatly, has reduced wetted perimeter; Improved the coefficient of heat transfer of refrigerant side, increase rate is between 10-20%.
This efficient condenser has guaranteed that through air inlet pipe the refrigerant gas that gets into condenser is divided into four parts equably, makes that the heat flow density of condenser is evenly approaching, has reduced the whole refrigerant crushing of condenser; Novel gas-liquid phase-splitting pipe group is separated the two phase refrigerant that gets in the pipe; Gas part goes out pipe from upper gas to be separated out the back and gets into gas flow path, liquid part and go out pipe from lower liquid and separate out the back and get into liquid flow path, can promote the refrigerant side coefficient of heat transfer of heat exchanger to the full extent.Accurate shunting capillary design comprises two parts; A part is that the lower liquid that is positioned at gas-liquid phase-splitting pipe goes out Guan Chu, through the pressure distribution that this capillary can be regulated the gas-liquid two-way, makes gas-liquid separation complete; The internal diameter of this pipe is at 2.0-4.0mm, and length is between 50-200mm; A part is the total outlet capillary of condenser, and its purpose is the pressure distribution of regulating two-way outlet equally, and the lower liquid of auxiliary gas-liquid phase-splitting pipe goes out pipe, and this internal diameter capillaceous is at 1.2-2.0mm, and length is between 50-200mm.
A kind of air-conditioner adopts above-mentioned condenser.
The present invention compared with prior art has the following advantages and good effect:
The present invention is through increasing gas-liquid phase-splitting pipe to the two phase refrigerant in the heat exchange manifold is separated; Gas-liquid two-phase is walked different streams; Improve the utilization ratio of heat exchange manifold greatly, reduced wetted perimeter, improved the coefficient of heat transfer of refrigerant side; The exchange capability of heat increase rate has brought the rising of complete machine Energy Efficiency Ratio and the decline of cost thus between 10-20%.
Description of drawings
Fig. 1 is the flowage structure sketch map of condenser according to the invention;
Fig. 2 is the structural representation of gas-liquid phase-splitting pipe;
Symbol among the figure and explanation thereof:
1, condenser; 1-1, interior row U pipe; 1-2, efflux U pipe; 1-3, air inlet pipe; 1-4, drain pipe; 2, gas-liquid phase-splitting pipe; 2-1, gas-liquid inlet pipe; 2-2, gas go out pipe; 2-3, liquid go out pipe; 3, shunting capillary; 4, outlet capillary.
The specific embodiment
Below in conjunction with accompanying drawing and embodiment the present invention is done further detailed explanation.
The present invention is directed to existing air-conditioning condenser gas-liquid two-phase cold-producing medium does not have the wetted perimeter of separate design in causing managing bigger; The effective intraductal heat exchange area that influences heat exchanger causes the not high problem of whole exchange capability of heat of heat exchanger; Proposed a kind of condenser that adopts gas-liquid phase-splitting pipe, the gas-liquid two-phase cold-producing medium that gets into condenser has been separated, adjusted the ratio of gas-liquid two-phase in the pipe through this gas-liquid phase-splitting pipe; Reduced the wetted perimeter in the pipe; Be equivalent to enlarge effective intraductal heat exchange area of heat exchanger, improved the inboard coefficient of heat transfer of Tube Sheet of Heat Exchanger, thereby improved the whole exchange capability of heat of heat exchanger.Technical scheme is:
A kind of condenser, row U pipe effluxes U and manages in comprising, air inlet pipe, drain pipe also is provided with gas-liquid phase-splitting pipe, and cold-producing medium gets into gas-liquid phase-splitting pipe through getting into the interior row U pipe of condenser after the air inlet pipe through shunting and gathering the back, flows out through drain pipe at last.Concrete, it is as shown in Figure 1,
A kind of condenser 1, row U pipe 1-1 effluxes U pipe 1-2 in comprising; Air inlet pipe 1-3; Drain pipe 1-4 also is provided with gas-liquid phase-splitting pipe 2, the interior row U pipe 1-1 that cold-producing medium gets into condenser 1 after through air inlet pipe 1-3 with efflux U and manage 1-2; Get into gas-liquid phase-splitting pipe 2 through shunting and after gathering, flow out through drain pipe 1-4 at last.
As shown in Figure 2; Gas-liquid phase-splitting pipe 2 one sides are provided with gas-liquid inlet pipe 2-1, and top is provided with gas and goes out to manage 2-2, and the bottom is provided with liquid and goes out to manage 2-3; Gas-liquid mixed refrigerant gets into gas-liquid phase-splitting pipe 2 through gas-liquid inlet pipe 2-1; Isolated gas partly goes out to manage 2-2 from upper gas and separates out back entering gas flow path, and the liquid part goes out to manage 2-3 from lower liquid and separates out back entering liquid flow path, thereby the gas-liquid two-phase cold-producing medium is separated.
For better that gas-liquid separation is complete, the liquid of gas-liquid phase-splitting pipe 2 bottoms goes out to manage 2-3 and connects shunting capillary 3, and the refrigerant liquid body portion gets into through shunting capillary 3 and effluxes U pipe 1-2.Can regulate the flow velocity of liquid through this shunting capillary 3, thereby regulate the pressure distribution of gas-liquid two-way, make gas-liquid separation more complete.Shunting capillary 3 internal diameters are 2.2mm, and length is 150mm.
In order further to regulate the pressure distribution at condensator outlet place, cold-producing medium was flowed through earlier before getting into drain pipe 1-4 and is exported capillary 4.Outlet capillary 4 is the pressure distribution of regulating two-way outlet equally, and the lower liquid of auxiliary gas-liquid phase-splitting pipe 2 goes out to manage 2-3.Preferably, outlet capillary 4 internal diameters are 1.5mm, and length is 100mm.
For further improving the coefficient of heat transfer of refrigerant side; The flow arrangement of condenser: air inlet pipe 1-3 is divided into the interior row U pipe 1-1 of four tunnel entering condensers 1; Then incorporate gas-liquid phase-splitting pipe 2 into through gas-liquid inlet pipe 2-1 through four tunnel outflow backs after effluxing U pipe 1-2; Air inlet pipe is divided into four the tunnel and has guaranteed that the refrigerant gas that gets into condenser is divided into four parts equably, makes that the heat flow density of condenser is evenly approaching, has reduced the whole refrigerant crushing of condenser.
The present invention has greatly improved the exchange capability of heat of condenser through rational flow arrangement, increase gas-liquid phase-splitting pipe and shunting capillary, outlet capillary.
The above only is preferred embodiment of the present invention, is not to be the restriction of the present invention being made other form, and any professional and technical personnel of being familiar with possibly utilize the technology contents of above-mentioned announcement to change or be modified as the equivalent embodiment of equivalent variations.But everyly do not break away from technical scheme content of the present invention, to any simple modification, equivalent variations and remodeling that above embodiment did, still belong to the protection domain of technical scheme of the present invention according to technical spirit of the present invention.
Claims (8)
1. a condenser is arranged the U pipe in comprising, effluxes the U pipe; Air inlet pipe, drain pipe is characterized in that: also be provided with gas-liquid phase-splitting pipe; Cold-producing medium gets into the interior row U pipe of condenser after through said air inlet pipe, also gathers the back through shunting and gets into said gas-liquid phase-splitting pipe, at last through said drain pipe outflow.
2. condenser according to claim 1; It is characterized in that: said gas-liquid phase-splitting pipe separates the gas-liquid two-phase cold-producing medium that gets in it; Said gas-liquid phase-splitting pipe one side is provided with the gas-liquid inlet pipe, and top is provided with gas and goes out pipe, and the bottom is provided with liquid and goes out pipe; Isolated gas part goes out pipe from upper gas to be separated out the back and gets into gas flow path, and the liquid part goes out pipe from lower liquid and separates out the back and get into liquid flow path.
3. condenser according to claim 2 is characterized in that: the liquid of said gas-liquid phase-splitting pipe bottom goes out pipe and connects the shunting capillary, and said liquid part gets into the said U pipe that effluxes through said shunting capillary.
4. condenser according to claim 3 is characterized in that: said shunting capillary inner diameter is 2.0-4.0mm, and length is 50-200mm.
5. condenser according to claim 1 is characterized in that: the cold-producing medium outlet capillary of before getting into said drain pipe, flowing through earlier.
6. condenser according to claim 5 is characterized in that: said outlet capillary inner diameter is 1.2-2.0mm, and length is 50-200mm.
7. condenser according to claim 1 is characterized in that: said air inlet pipe is divided into the interior row U pipe of four tunnel entering condensers, then incorporates said gas-liquid phase-splitting pipe through effluxing into after flow out U pipe back four tunnel.
8. an air-conditioner is characterized in that adopting the described condenser of above-mentioned arbitrary claim.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011104365311A CN102410674A (en) | 2011-12-23 | 2011-12-23 | Condenser and air conditioner using same |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011104365311A CN102410674A (en) | 2011-12-23 | 2011-12-23 | Condenser and air conditioner using same |
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| CN102410674A true CN102410674A (en) | 2012-04-11 |
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| CN2011104365311A Pending CN102410674A (en) | 2011-12-23 | 2011-12-23 | Condenser and air conditioner using same |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103868291A (en) * | 2012-12-14 | 2014-06-18 | 美的集团股份有限公司 | Liquid storage pot for heat exchange system and heat exchange system and air conditioner having same |
| CN104236173A (en) * | 2014-09-19 | 2014-12-24 | 西安交通大学 | Air-cooling evaporator with air-liquid separator |
| CN105841406A (en) * | 2016-05-09 | 2016-08-10 | 珠海格力电器股份有限公司 | Heat exchange device, air conditioner and heat pump |
| CN105987539B (en) * | 2015-02-03 | 2018-09-18 | 上海海立电器有限公司 | Air conditioner and its heat exchanger |
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| CN201539997U (en) * | 2009-12-01 | 2010-08-04 | 海信（山东）空调有限公司 | High-efficiency condenser and air conditioner equipped with same |
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| CN201779925U (en) * | 2010-07-02 | 2011-03-30 | 海信科龙电器股份有限公司 | Parallel flow evaporator and heat pump air conditioner |
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Patent Citations (9)
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| JP2008175432A (en) * | 2007-01-17 | 2008-07-31 | Matsushita Electric Ind Co Ltd | Refrigerating cycle device |
| JP2010096483A (en) * | 2008-10-17 | 2010-04-30 | Nichirei Kogyo Kk | Gas-liquid separating device and refrigerating device including the same |
| CN101464077A (en) * | 2009-01-09 | 2009-06-24 | 广东美的电器股份有限公司 | Finned tube heat exchanger of air conditioner |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103868291A (en) * | 2012-12-14 | 2014-06-18 | 美的集团股份有限公司 | Liquid storage pot for heat exchange system and heat exchange system and air conditioner having same |
| CN103868291B (en) * | 2012-12-14 | 2016-05-18 | 美的集团股份有限公司 | For the fluid reservoir of heat-exchange system and there is its heat-exchange system and air-conditioner |
| CN104236173A (en) * | 2014-09-19 | 2014-12-24 | 西安交通大学 | Air-cooling evaporator with air-liquid separator |
| CN105987539B (en) * | 2015-02-03 | 2018-09-18 | 上海海立电器有限公司 | Air conditioner and its heat exchanger |
| CN105841406A (en) * | 2016-05-09 | 2016-08-10 | 珠海格力电器股份有限公司 | Heat exchange device, air conditioner and heat pump |
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Application publication date: 20120411 |