CN101975493A - Parallel flow evaporator of air conditioner of automobile - Google Patents

Parallel flow evaporator of air conditioner of automobile Download PDF

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Publication number
CN101975493A
CN101975493A CN 201010526756 CN201010526756A CN101975493A CN 101975493 A CN101975493 A CN 101975493A CN 201010526756 CN201010526756 CN 201010526756 CN 201010526756 A CN201010526756 A CN 201010526756A CN 101975493 A CN101975493 A CN 101975493A
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China
Prior art keywords
heat exchange
vaporization chamber
exchange module
parallel flow
air conditioner
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CN 201010526756
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CN101975493B (en
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潘华
宋江波
周红霞
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Wuhu Bonaire Automotive Electrical Systems Co Ltd
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Wuhu Bonaire Automotive Electrical Systems Co Ltd
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Abstract

The invention discloses a parallel flow evaporator of an air conditioner of an automobile, which is characterized in that a front heat exchange module and a rear heat exchange module are arranged in parallel; a spacer is arranged in the middle of an evaporating chamber of the front heat exchange module; the quantity of oblate liquid inlet tubes is more than that of oblate gas exhaust tubes; and inlet and outlet pipes are uniformly distributed in the middles of two chambers of the evaporating chamber, which are separated by the spacer. By adopting the structure, the device has the following advantages: 1. the heat exchange efficiency is improved to the maximum, and the temperature of the surface of the parallel flow evaporator is more uniform; 2. Weight is light so that the overall weight of the automobile is reduced; 3. processing process is simpler, thereby being more suitable for large-scale production; the parallel flow evaporator is convenient for installation, thereby enhancing the production efficiency of the integral automobile.

Description

A kind of automobile air conditioner parallel flow evaporator
Technical field
The present invention relates to the air conditioning for automobiles field, particularly a kind of automobile air conditioner parallel flow evaporator.
Background technology
Continuous development along with auto industry, on-board air conditioner becomes the requisite part of automobile, evaporimeter then is the vitals of air conditioning for automobiles, for the heat exchange efficiency that improves the used for automobile air conditioning evaporimeter, reduce its installation footprint and weight, its version has developed into stacked from pipe type, corrugated tube type, at present laminated evaporator again by more compact structure, surface temperature is more even, heat exchange efficiency is higher, the simple more parallel flow evaporators of processing technology replaces.It is a kind of efficient, compact automobile air-conditioning evaporator that parallel-flow evaporator adopts the heat exchange efficiency of heat exchange porous flat pipe raising efficiently.
Both sides and feed liquor flat tube number that present parallel-flow evaporator feed tube and escape pipe are arranged in evaporimeter mostly are not more than the flat number of giving vent to anger, and make surface temperature even inadequately, and cold medium flux is less than normal, and heat exchange efficiency still can not reach requirement.
A kind of more high efficiency evaporation structure that has is provided, improves the heat exchange efficiency of evaporimeter to the full extent, and to make surface temperature reach balance be the problem that prior art need solve.
Summary of the invention
Technical problem to be solved by this invention is, a kind of automobile air conditioner parallel flow evaporator is provided, and reaching the heat exchange efficiency that improves evaporimeter to the full extent, and makes surface temperature reach the purpose of balance.
For solving the problems of the technologies described above, technical scheme of the present invention is, a kind of automobile air conditioner parallel flow evaporator, it is characterized in that: described evaporimeter is that preceding heat exchange module is arranged in parallel with the back heat exchange module, and preceding heat exchange module, back heat exchange module are and are connected with the porous flat pipe formation between upper end vaporization chamber and the lower end vaporization chamber; The middle part of the vaporization chamber of preceding heat exchange module is provided with partition;
Heat exchange module is that flowing hole is interconnected with the lower end vaporization chamber of back heat exchange module before described; The upper end vaporization chamber is separate, and the upper end vaporization chamber of preceding heat exchange module is provided with feed tube, escape pipe, thereby has constituted whole parallel-flow evaporator, improves rate of heat exchange.
The middle part in two chambeies of the upper end vaporization chamber of heat exchange module is connected with feed tube, escape pipe respectively before described, thereby improves the feed liquor speed of cooling fluid and the exhaust velocity of escape pipe.
Described before heat exchange module the lower end vaporization chamber with corresponding half chamber of feed tube in be provided with a plurality of relatively independent circular hole liquid flowing holes, be connected to the back heat exchange module the lower end vaporization chamber; Before heat exchange module the lower end vaporization chamber with corresponding half chamber of escape pipe in be provided with the gas flowing hole of a plurality of strips, be connected to the lower end vaporization chamber of back heat exchange module, thereby, further improve the circulation rate and the heat exchange efficiency of cooling fluid at the different flowing hole of cooling fluid project organization of liquid, two kinds of different shapes of gas.
The two ends of described upper end vaporization chamber, lower end vaporization chamber are equipped with blanking cover, make whole evaporimeter constitute the integral body of a sealing.
The described porous flat pipe number that is communicated with feed tube is more than the porous flat pipe that is communicated with escape pipe, make gaseous state and liquid under the circulation rate of cooling fluid reach balance.
Described upper end vaporization chamber, lower end vaporization chamber are equipped with installing hole, and the two ends of porous flat pipe are connected to installing hole, link up two vaporization chambers up and down.
Be provided with fin between the described porous flat pipe; Two ends are respectively equipped with end plate, thereby when improving evaporimeter and air contact area, improve the stability of whole evaporimeter.
The junction of described feed tube, escape pipe and upper end vaporization chamber is respectively equipped with the feed liquor sleeve pipe, goes out gas bushing.
A kind of automobile air conditioner parallel flow evaporator, owing to adopt said structure, this device has the following advantages: 1, the heat exchange efficiency that farthest improves, the evaporator surface temperature is more even; 2, have lightweight characteristics, so that alleviate complete vehicle weight; 3, processing technology is simpler, is fit to large-scale production; 4, easy for installation, the production efficiency of raising car load.
Description of drawings
The present invention is further detailed explanation below in conjunction with the drawings and specific embodiments;
Fig. 1 is a kind of automobile air conditioner parallel flow evaporator structural representation of the present invention;
Fig. 2 is the partial structurtes schematic diagram of a kind of automobile air conditioner parallel flow evaporator of the present invention;
Fig. 3 is the upper end vaporization chamber structural representation of a kind of automobile air conditioner parallel flow evaporator of the present invention;
In Fig. 1-3,1, blanking cover; 2, upper end vaporization chamber; 3, preceding heat exchange module; 4, feed tube; 5, partition; 6, back heat exchange module; 7, escape pipe; 8, end plate; 9, fin; 10, gas flowing hole; 11, go out gas bushing; 12, lower end vaporization chamber; 13, liquid flowing hole; 14, porous flat pipe; 15, feed liquor sleeve pipe.
The specific embodiment
Shown in Fig. 1-6, the present invention is arranged in parallel for preceding heat exchange module 3 and back heat exchange module 6, is connected with porous flat pipe 14 between vaporization chamber 2 and the lower end vaporization chamber 12 on preceding heat exchange module 3, back heat exchange module 6 are and constitutes; The middle part of the vaporization chamber of preceding heat exchange module 3 is provided with partition 5; Preceding heat exchange module 3 is interconnected for flowing hole with the lower end vaporization chamber 12 of back heat exchange module 6; Upper end vaporization chamber 2 be separate, and the upper end vaporization chamber 2 of preceding heat exchange module 3 is provided with feed tube 4, escape pipe 7, thereby has constituted whole parallel-flow evaporator, the raising rate of heat exchange.
The middle part in two chambeies of the upper end vaporization chamber 2 of preceding heat exchange module 3 is connected with feed tube 4, escape pipe 7 respectively, thereby improves the feed liquor speed of cooling fluid and the exhaust velocity of escape pipe.
Before heat exchange module 3 lower end vaporization chamber 12 with feed tube 4 corresponding half chambeies in be provided with a plurality of relatively independent circular hole liquid flowing holes 13, be connected to the back heat exchange module 6 lower end vaporization chamber 12; Before heat exchange module 3 lower end vaporization chamber 12 with escape pipe 7 corresponding half chambeies in be provided with the gas flowing hole 10 of a plurality of strips, be connected to the lower end vaporization chamber 12 of back heat exchange module 6, thereby, further improve the circulation rate and the heat exchange efficiency of cooling fluid at the different flowing hole of cooling fluid project organization of liquid, two kinds of different shapes of gas.
The two ends of upper end vaporization chamber 2, lower end vaporization chamber 12 are equipped with blanking cover 1, make whole evaporimeter constitute the integral body of a sealing.
Porous flat pipe 14 numbers that are communicated with feed tube 4 are more than the porous flat pipe 14 that is communicated with escape pipe 7, make gaseous state and liquid under the circulation rate of cooling fluid reach balance.
Be provided with fin 9 between the porous flat pipe 14; Two ends are respectively equipped with end plate 8, thereby when improving evaporimeter and air contact area, improve the stability of whole evaporimeter.
Feed tube 4, escape pipe 7 are respectively equipped with feed liquor sleeve pipe 15, go out gas bushing 11 with the junction of upper end vaporization chamber 2.
The present invention structurally is divided into preceding heat exchange module 3: porous flat pipe 14, fin 9, upper end vaporization chamber 2, lower end vaporization chamber 12, end plate 8, blanking cover 1, partition 5, feed liquor sleeve pipe 15, go out gas bushing 11, feed tube 4 and escape pipe 7; Back heat exchange module 6: porous flat pipe 14, fin 9, upper end vaporization chamber 2, lower end vaporization chamber 12, end plate 8, blanking cover 1 and partition 5 are formed, forward and backward heat exchange module is independent respectively, only depends on gas flowing hole 10, liquid flowing hole 13 that front and back heat exchange module cold-producing medium is circulated; The interface that is connected with exterior line, by feed liquor sleeve pipe 15 with go out gas bushing 11 and form.Aforesaid upper end vaporization chamber 2, lower end vaporization chamber 12 are equipped with several installing holes that is used to assemble porous flat pipe 14, porous flat pipe 14 is respectively charged in the installing hole of upper end vaporization chamber 2, lower end vaporization chamber 12 correspondences, partition 5 places preceding heat exchange module, and preceding heat exchange module 3 is divided into the feed liquor runner and goes out flow channel and feed liquor porous flat pipe 14 numbers greater than the porous flat pipe 14 of giving vent to anger.
Operation principle of the present invention is: the upper end vaporization chamber 2 of heat exchange module 3 before the liquid refrigerant of the low-temp low-pressure after expansion valve or capillary-compensated step-down enters, the liquid refrigerant that flows into is after rationally distributing, enter in the porous flat pipe 14 and flow, absorb the heat that cooling space contains humid air, the boiling thereby cooling air and dehumidifying, very lower boiling liquid refrigerant are absorbed heat in porous flat pipe 14.Carrying out along with gasification, refrigerant liquid constantly gasifies, gas-liquid binary states cold-producing medium enters 12 mixing of lower end vaporization chamber after liquid flowing hole 13 flows into the lower end vaporization chamber 12 of back heat exchange modules 6, enter after the mixing in the porous flat pipe 14 and flow, liquid refrigerant constantly absorbs the gasification of cooling space heat in the porous flat pipe 14, enter once more in the porous flat pipe 14 after the upper end vaporization chamber 2 of heat exchange module 6 mixes after entering and flow, liquid refrigerant absorbs the gasification of cooling space heat in the porous flat pipe 14, the lower end vaporization chamber 12 of heat exchange module 3 before flowing into through gas discharge orifice 10 again after the lower end vaporization chamber 12 of heat exchange module 6 mixes after entering, gas-liquid binary states cold-producing medium is machine pressure of inspiration(Pi) and feed liquor sleeve pipe 15 by compression, go out gas bushing 11 Position Design influence reasonable distribution down, enter once more in the porous flat pipe 14 and flow, liquid refrigerant constantly absorbs the gasification of cooling space heat in the porous flat pipe 14, final liquid refrigerant is gasified totally, the gaseous refrigerant temperature is lower than the refrigeration space temperature fully, still carry out very poor efficiency heat exchange, last overheated gaseous refrigerant flows out through gas bushing 11 and the escape pipe 7 that go out of the upper end of preceding heat exchange module 3 vaporization chamber 2.The present invention carries out scientific and reasonable regulating and distributing to the gas-liquid cold-producing medium effectively, makes the increase of cold-producing medium two phase region, evaporator surface more uniform temperature, has increased unit interval inner refrigerant flow, has improved the coefficient of heat transfer of cold-producing medium, has improved heat exchange efficiency.
The present invention has adopted four flow processs or multipaths runner distribution mode and rational feed tube and escape pipe arrangement, effectively the gas-liquid cold-producing medium is carried out scientific and reasonable regulating and distributing, make the increase of cold-producing medium two phase region, evaporator surface more uniform temperature, improve the coefficient of heat transfer of cold-producing medium, improved heat exchange efficiency; Adopted feed liquor flat tube number to count the appropriate design of reasonable distribution and flowing hole structure greater than the flat tube of giving vent to anger, increased unit interval inner refrigerant flow, scientific and reasonable effectively gas-liquid cold-producing medium regulates and distributes, improved heat exchange efficiency.Simple in structure, practical more economically.
In conjunction with the accompanying drawings the present invention has been carried out exemplary description above; obviously specific implementation of the present invention is not subjected to the restriction of aforesaid way; as long as the various improvement of having adopted method design of the present invention and technical scheme to carry out; or directly apply to other occasion without improvement, all within protection scope of the present invention.

Claims (8)

1. automobile air conditioner parallel flow evaporator, it is characterized in that: described evaporimeter is that preceding heat exchange module (3) is arranged in parallel with back heat exchange module (6), and preceding heat exchange module (3), back heat exchange module (6) are and are connected with porous flat pipe (14) formation between upper end vaporization chamber (2) and the lower end vaporization chamber (12); The middle part of the vaporization chamber of preceding heat exchange module (3) is provided with partition (5);
Heat exchange module (3) is interconnected for flowing hole with the lower end vaporization chamber (12) of back heat exchange module (6) before described; Upper end vaporization chamber (2) is separate, and the upper end vaporization chamber (2) of preceding heat exchange module (3) is provided with feed tube (4), escape pipe (7).
2. a kind of automobile air conditioner parallel flow evaporator according to claim 1 is characterized in that: the middle part in two chambeies of the upper end vaporization chamber (2) of heat exchange module (3) is connected with feed tube (4), escape pipe (7) respectively before described.
3. a kind of automobile air conditioner parallel flow evaporator according to claim 1 and 2, it is characterized in that: described before heat exchange module (3) lower end vaporization chamber (2) with corresponding half chamber of feed tube (4) in be provided with a plurality of relatively independent circular hole liquid flowing holes (13), be connected to the back heat exchange module (6) lower end vaporization chamber (12); Before heat exchange module (3) lower end vaporization chamber (12) with corresponding half chamber of escape pipe (7) in be provided with the gas flowing hole (10) of a plurality of strips, be connected to the lower end vaporization chamber (12) of back heat exchange module (6).
4. a kind of automobile air conditioner parallel flow evaporator according to claim 1 is characterized in that: the two ends of described upper end vaporization chamber (2), lower end vaporization chamber (12) are equipped with blanking cover (1).
5. a kind of automobile air conditioner parallel flow evaporator according to claim 1 and 2 is characterized in that: described porous flat pipe (14) number that is communicated with feed tube (4) is more than the porous flat pipe (14) that is communicated with escape pipe (7).
6. a kind of automobile air conditioner parallel flow evaporator according to claim 1 is characterized in that: described upper end vaporization chamber (2), lower end vaporization chamber (12) are equipped with installing hole, and the two ends of porous flat pipe (14) are connected to installing hole.
7. a kind of automobile air conditioner parallel flow evaporator according to claim 1 is characterized in that: be provided with fin (9) between the described porous flat pipe (14); Two ends are respectively equipped with end plate (8).
8. a kind of automobile air conditioner parallel flow evaporator according to claim 1 is characterized in that: described feed tube (4), escape pipe (7) are respectively equipped with feed liquor sleeve pipe (15), go out gas bushing (11) with the junction of upper end vaporization chamber (2).
CN201010526756A 2010-11-01 2010-11-01 Parallel flow evaporator of air conditioner of automobile Expired - Fee Related CN101975493B (en)

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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102798299A (en) * 2012-08-10 2012-11-28 江苏创导空调有限公司 Parallel flow warm-air core body
CN103277945A (en) * 2013-05-27 2013-09-04 扬州杰信车用空调有限公司 Bus evaporator
CN104634002A (en) * 2013-11-06 2015-05-20 博耐尔汽车电气系统有限公司 Parallel flow evaporator applied to automobile air conditioner
CN105066517A (en) * 2015-07-31 2015-11-18 博耐尔汽车电气系统有限公司 Evaporation chamber of parallel flow evaporator
CN106152623A (en) * 2016-08-30 2016-11-23 博耐尔汽车电气系统有限公司 Automobile air-conditioning evaporator assembly
CN106288531A (en) * 2016-08-30 2017-01-04 博耐尔汽车电气系统有限公司 A kind of automobile air-conditioning evaporator
CN106403387A (en) * 2016-08-30 2017-02-15 博耐尔汽车电气系统有限公司 Automobile air conditioning evaporator refrigeration method
CN110749127A (en) * 2019-10-30 2020-02-04 博耐尔汽车电气系统有限公司 Outdoor heat exchanger of electric automobile

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04148195A (en) * 1990-10-09 1992-05-21 Matsushita Refrig Co Ltd Heat exchanger
EP0802383A2 (en) * 1996-04-18 1997-10-22 Sanden Corporation Multitubular heat exchanger having an appropriate tube arrangement pattern
CN2444193Y (en) * 2000-08-18 2001-08-22 江西新电汽车空调机有限公司 Parallel-flow evaporator for air conditioner
CN2459592Y (en) * 2001-01-19 2001-11-14 陈苏红 Parallel flow evaporator
CN1912503A (en) * 2006-07-19 2007-02-14 重庆英特空调有限公司 Vehicle air-conditioner evaporator
CN201281497Y (en) * 2008-06-26 2009-07-29 季章良 Parallel flow evaporator
CN101498565A (en) * 2009-01-22 2009-08-05 南京协众汽车空调集团有限公司 Parallel flow evaporator

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04148195A (en) * 1990-10-09 1992-05-21 Matsushita Refrig Co Ltd Heat exchanger
EP0802383A2 (en) * 1996-04-18 1997-10-22 Sanden Corporation Multitubular heat exchanger having an appropriate tube arrangement pattern
CN2444193Y (en) * 2000-08-18 2001-08-22 江西新电汽车空调机有限公司 Parallel-flow evaporator for air conditioner
CN2459592Y (en) * 2001-01-19 2001-11-14 陈苏红 Parallel flow evaporator
CN1912503A (en) * 2006-07-19 2007-02-14 重庆英特空调有限公司 Vehicle air-conditioner evaporator
CN201281497Y (en) * 2008-06-26 2009-07-29 季章良 Parallel flow evaporator
CN101498565A (en) * 2009-01-22 2009-08-05 南京协众汽车空调集团有限公司 Parallel flow evaporator

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102798299A (en) * 2012-08-10 2012-11-28 江苏创导空调有限公司 Parallel flow warm-air core body
CN103277945A (en) * 2013-05-27 2013-09-04 扬州杰信车用空调有限公司 Bus evaporator
CN104634002A (en) * 2013-11-06 2015-05-20 博耐尔汽车电气系统有限公司 Parallel flow evaporator applied to automobile air conditioner
CN105066517A (en) * 2015-07-31 2015-11-18 博耐尔汽车电气系统有限公司 Evaporation chamber of parallel flow evaporator
CN106152623A (en) * 2016-08-30 2016-11-23 博耐尔汽车电气系统有限公司 Automobile air-conditioning evaporator assembly
CN106288531A (en) * 2016-08-30 2017-01-04 博耐尔汽车电气系统有限公司 A kind of automobile air-conditioning evaporator
CN106403387A (en) * 2016-08-30 2017-02-15 博耐尔汽车电气系统有限公司 Automobile air conditioning evaporator refrigeration method
CN110749127A (en) * 2019-10-30 2020-02-04 博耐尔汽车电气系统有限公司 Outdoor heat exchanger of electric automobile

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