CN201359464Y - Parallel-flow evaporator - Google Patents
Parallel-flow evaporator Download PDFInfo
- Publication number
- CN201359464Y CN201359464Y CNU200920037696XU CN200920037696U CN201359464Y CN 201359464 Y CN201359464 Y CN 201359464Y CN U200920037696X U CNU200920037696X U CN U200920037696XU CN 200920037696 U CN200920037696 U CN 200920037696U CN 201359464 Y CN201359464 Y CN 201359464Y
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- header
- homogenizing plate
- parallel
- collecting pipe
- hole
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Abstract
The utility model discloses a parallel-flow evaporator. A first collecting pipe is communicated with a second collecting pipe through a plurality of porous flat pipes; a third collecting pipe is communicated with a fourth collecting pipe through a plurality of porous flat pipes; the first collecting pipe is fixed in parallel with the third collecting pipe; the second collecting pipe is fixed in parallel with the fourth collecting pipe; a partition board is arranged at the middle part of the first collecting pipe; a liquor inlet pipe is arranged on the first collecting pipe on the left of the partition board; an air outlet pipe is arranged on the first collecting pipe on the right of the partition board; and porous flow equalization plates matched with the shape of the cross section of the third collecting pipe are arranged inside the third collecting pipe. In the utility model, since the porous flow equalization plates are arranged inside a D-type collecting pipe, refrigerant passes through holes on the flow equalization plates in sequence, the problem that refrigerant in the parallel-flow evaporator flows uniformly is solved, the utilization rate of the radiating area is improved effectively, and the heat radiating efficiency of the evaporator is increased.
Description
Technical field
The utility model relates to a kind of used for automobile air conditioning evaporimeter, is a kind of parallel-flow evaporator specifically.
Background technology
In automobile air conditioning refrigerating system, evaporimeter is used to directly with the object that is cooled---the interior air of car contacts, and regulates the automobile inner air temperature by the heat exchange between the air in cold-producing medium in the evaporimeter and the car.
At present common used for automobile air conditioning evaporation structure form has three kinds: pipe type, corrugated tube type and stacked are wherein comparatively popular and technology is more advanced is laminated evaporator.It mainly is to become the aluminium sheet of complicated shape to stack by two stamping-outs, forms clamping plate and forms coolant channel, places the waveform radiating fin that has fenestration between per two clamping plate, and is stacked from level to level then.Because the processing mode of aluminium sheet is a stamping-out, and the size increase is restricted, and can't satisfy big heat exchange amount condition, the scope of application is limited; And the stamping-out difficulty of processing is big, the cost height.
Parallel-flow evaporator is very promising in this field, and it has superior refrigeration performance; Compactness, the structure of rigidity and stronger rotproofness.But there is the flow of refrigerant problem of uneven distribution in it in application: cold-producing medium is the gas-liquid mixed state most of the time in runner, inhomogeneous diffusion easily takes place in the flow process in the header of no equal flow structure, finally cause the waste of part area of dissipation, influenced the refrigerating capacity of parallel-flow evaporator integral body.
Summary of the invention
Goal of the invention: the purpose of this utility model is to overcome the deficiencies in the prior art, provides a kind of heat exchanger effectiveness high parallel-flow evaporator.
Technical scheme: a kind of parallel-flow evaporator comprises first header, second header, the 3rd header, the 4th header, porous flat pipe, dividing plate, feed tube and escape pipe; Be communicated with by some porous flat pipes between first header and second header; Be communicated with by some porous flat pipes between the 3rd header and the 4th header; Wherein first header and the 3rd header are parallel fixing, and second header and the 4th header are parallel to fixedly install; Middle part at first header is provided with dividing plate, is provided with feed tube on first header on the dividing plate left side, is provided with escape pipe on first header on dividing plate the right, is provided with the porous homogenizing plate suitable with the shape of cross section of the 3rd header in the 3rd header.
Described porous homogenizing plate comprises one-level homogenizing plate, secondary homogenizing plate and three grades of homogenizing plates on half section on the right side that is arranged on the 3rd header successively from left to right, and each homogenizing plate is provided with some through holes; Wherein, the quantity of the through hole that is provided with on three grades of homogenizing plates is more than the number of openings on the secondary homogenizing plate, and the number of openings on the secondary homogenizing plate is more than the number of openings on the one-level homogenizing plate; The aperture of the through hole on the one-level homogenizing plate is greater than the aperture of the through hole on the secondary homogenizing plate, and the aperture of the through hole on the secondary homogenizing plate is greater than the aperture of the through hole on three grades of homogenizing plates.
A through hole is set on the one-level homogenizing plate, three through holes are set on the secondary homogenizing plate, three grades of homogenizing plates are provided with five through holes, number of openings on each homogenizing plate and through-hole diameter can be according to factor adjustment such as homogenizing plate cross-sectional area, D type header length and refrigerant flows, to reach best current-sharing effect.
Through hole on the described porous homogenizing plate is manhole, ellipse hole or square through hole, also can be the through hole of other shapes.
Through hole on the described porous homogenizing plate is a manhole, and the resistance of manhole is less, and manhole is processed easily.
Spacing between one-level homogenizing plate and the secondary homogenizing plate is greater than the spacing between secondary homogenizing plate and the three grades of homogenizing plates, and arrange and can according to circumstances adjust in the position between the homogenizing plate, to reach optimum efficiency.
The cross section of described first header, second header, the 3rd header and the 4th header is the D type, and the header of D type cross section only can form runner by one, and manufacturing process is simple, and leakage point is few; And D type header can make random length, makes the scope of application augmentation of evaporimeter; And D type pipe voltage endurance capability is higher.
Feed tube is arranged on the centre on half section on the left side of first header, and escape pipe is arranged on the centre on half section on the right side of first header, in the middle of feed tube and escape pipe are arranged on, makes flow of refrigerant more even.
Beneficial effect: (1) the utility model is owing to be provided with the porous homogenizing plate in D type header, make cold-producing medium successively by the through hole on each homogenizing plate, solved the problem of parallel-flow evaporator flow of refrigerant inequality, and effectively improve the area of dissipation utilization rate, increased the radiating efficiency of evaporimeter.(2) the utility model and laminated evaporator structure compared compactness are in light weight; (3) the utility model need not large-scale punch press and mould, and processing cost is little; Heat exchange area is adjustable, and is applied widely.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
Fig. 2 is the cross sectional representation of first header and the 3rd header.
Fig. 3 is the structural representation that has the 3rd header of porous homogenizing plate.
The specific embodiment:
Below in conjunction with accompanying drawing the utility model is done further explanation.
As shown in Figure 1, 2, parallel-flow evaporator of the present utility model comprises first header 1, second header 2, the 3rd header 3, the 4th header 4, porous flat pipe 5, dividing plate 6, feed tube 7 and escape pipe 8.Be communicated with by some porous flat pipes 5 between first header 1 and second header 2; Be communicated with by some porous flat pipes 5 between the 3rd header 3 and the 4th header 4; Wherein first header 1 and the 3rd header 3 are parallel fixing, second header 2 and the 4th header 4 parallel fixedly installing; Be welded with radiating fin between the described some porous flat pipes 5.First header 1, second header 2, the 3rd header 3 and the 4th header 4 are the header of D type cross section, and the two ends of every header are equipped with blocking cap and seal.Be provided with dividing plate 6 at the middle part of first header 1, the cross section of the cross section of dividing plate 6 and first header 1 is suitable, promptly also is D type cross section.Dividing plate 6 is divided into left half section and right half section with first header 1, and the left side of first header 1 is provided with feed tube 7 for half section, wherein, preferably feed tube 7 is arranged on the centre on half section on a left side, and it is more even like this liquid to be entered.Be provided with escape pipe 8 on the right side of first header 1 on half section, wherein, preferably escape pipe 8 be arranged on right half section centre, make that the flow effect of cold-producing medium is better.
As shown in Figure 3, in the 3rd header 3, be provided with the porous homogenizing plate suitable with the cross section of the 3rd header 3.Described porous homogenizing plate comprises: one-level homogenizing plate 9, secondary homogenizing plate 10 and three grades of homogenizing plates 11 of setting gradually from left to right in half section on the right side of the 3rd header 3, each homogenizing plate is provided with some through holes.The quantity of the through hole that is provided with on three grades of homogenizing plates 11 is more than the number of openings on the secondary homogenizing plate 10, and the number of openings on the secondary homogenizing plate 10 is more than the number of openings on the one-level homogenizing plate 9; The aperture of the through hole on the one-level homogenizing plate 9 is greater than the aperture of the through hole on the secondary homogenizing plate 10, and the aperture of the through hole on the secondary homogenizing plate 10 is greater than the aperture of the through hole on three grades of homogenizing plates 11.Through hole wherein can be manhole, ellipse hole or other polygon through holes, the circular through hole.In the present embodiment, a manhole is set on the one-level homogenizing plate 9, three manholes are set on the secondary homogenizing plate 10, three grades of homogenizing plates 11 are provided with five manholes.Spacing between one-level homogenizing plate and the secondary homogenizing plate is greater than the spacing between secondary homogenizing plate and the three grades of homogenizing plates.
Multistage circular hole homogenizing plate can be provided with the number of homogenizing plate as required, if the length of header is longer, the homogenizing plate of three, four, five or greater number then can be set, and circular hole quantity, the Circularhole diameter on each homogenizing plate also done corresponding adjustment simultaneously.
The middle part of second header 2 and the 4th header 4 has been respectively equipped with the partition of guide functions, and the shape of partition and the shape of cross section of header are suitable.Second header 2 and the 4th header 4 are divided into left half section and right half section respectively.Wherein be provided with the pod apertures of some cold-producing medium circulations on the tube wall between second header 2 and the 4th header 4, pod apertures is a circular port.
The course of work of the present utility model is as follows: cold-producing medium is entered half section on the left side of first header 1 by feed tube 7 with the vaporific attitude of liquid, to dirty, enter half section on the left side of second header 2 via the porous flat pipe 5 of the left-half that is communicated with first header 1 and second header 2 through the thermolysis of porous flat pipe 5 and radiating fin; Because the guide functions of the partition in second header 2, cold-producing medium enters half section on the left side of the 4th header 4 through the pod apertures between second header, 2 half section on left sides and the 4th header 4; Cold-producing medium is upwards mobile through the porous flat pipe 5 that is communicated with the left-half between the 3rd header 3 and the 4th header 4 afterwards, and carries out heat exchange in flow process once more, enters half section on the left side of the 3rd header 3 then; Cold-producing medium is successively through being arranged on the porous homogenizing plate in right half section of the 3rd header 3 then, through being communicated with the porous flat pipe 5 of the right half part between the 3rd header 3 and the 4th header 4, entered half section on the right side of the 4th header 4 by the cold-producing medium after the current-sharing; Enter in half section on the right side of second header 2 by the pod apertures between the 4th header 4 and second header 2 afterwards; Afterwards cold-producing medium upwards the porous flat pipe 5 of the right half part by being communicated with second header 2 and first header 1 enter half section on the right side of first header 1, by escape pipe 8 with gas form outflow parallel-flow evaporator.
The utility model provides a kind of thinking and method of parallel-flow evaporator; the method and the approach of this technical scheme of specific implementation are a lot; the above only is a preferred implementation of the present utility model; should be understood that; for those skilled in the art; under the prerequisite that does not break away from the utility model principle, can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.The all available prior art of each component part not clear and definite in the present embodiment is realized.
Claims (8)
1, a kind of parallel-flow evaporator is characterized in that: comprise first header (1), second header (2), the 3rd header (3), the 4th header (4), porous flat pipe (5), dividing plate (6), feed tube (7) and escape pipe (8); Be communicated with by some porous flat pipes (5) between first header (1) and second header (2); Be communicated with by some porous flat pipes (5) between the 3rd header (3) and the 4th header (4); Wherein first header (1) and the 3rd header (3) are parallel fixing, and second header (2) and the 4th header (4) are parallel to fixedly install; Be provided with dividing plate (6) at the middle part of first header (1), on first header (1) on dividing plate (6) left side, be provided with feed tube (7), on first header (1) on dividing plate (6) the right, be provided with escape pipe (8), in the 3rd header (3), be provided with and the suitable porous homogenizing plate of the shape of cross section of the 3rd header (3).
2, parallel-flow evaporator according to claim 1, it is characterized in that, described porous homogenizing plate comprises one-level homogenizing plate (9), secondary homogenizing plate (10) and three grades of homogenizing plates (11) on half section on the right side that is arranged on the 3rd header (3) successively from left to right, and each homogenizing plate is provided with some through holes; Wherein, three grades of homogenizing plates (11) are gone up the quantity of the through hole that is provided with more than the number of openings on the secondary homogenizing plate (10), and the number of openings on the secondary homogenizing plate (10) is more than the number of openings on the one-level homogenizing plate (9); The aperture of the through hole on the one-level homogenizing plate (9) is greater than secondary homogenizing plate 10) on the aperture of through hole, the aperture of the through hole on the secondary homogenizing plate (10) is greater than the aperture of the through hole on three grades of homogenizing plates (11).
3, parallel-flow evaporator according to claim 2 is characterized in that: a through hole is set on one-level homogenizing plate (9), three through holes are set on the secondary homogenizing plate (10), three grades of homogenizing plates (11) are provided with five through holes.
4, according to claim 2 or 3 described parallel-flow evaporators, it is characterized in that: the through hole on the described porous homogenizing plate is manhole, ellipse hole or square through hole.
5, parallel-flow evaporator according to claim 4 is characterized in that: the through hole on the described porous homogenizing plate is a manhole.
6, parallel-flow evaporator according to claim 4 is characterized in that: the spacing between one-level homogenizing plate (9) and the secondary homogenizing plate (10) is greater than the spacing between secondary homogenizing plate (10) and the three grades of homogenizing plates (11).
7, parallel-flow evaporator according to claim 1 is characterized in that: the cross section of described first header (1), second header (2), the 3rd header (3) and the 4th header (4) is the D type.
8, parallel-flow evaporator according to claim 1 is characterized in that: feed tube (7) is arranged on the centre on half section on the left side of first header (1), and escape pipe (8) is arranged on the centre on half section on the right side of first header (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200920037696XU CN201359464Y (en) | 2009-01-22 | 2009-01-22 | Parallel-flow evaporator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200920037696XU CN201359464Y (en) | 2009-01-22 | 2009-01-22 | Parallel-flow evaporator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201359464Y true CN201359464Y (en) | 2009-12-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU200920037696XU Expired - Lifetime CN201359464Y (en) | 2009-01-22 | 2009-01-22 | Parallel-flow evaporator |
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| CN (1) | CN201359464Y (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101922826A (en) * | 2010-09-24 | 2010-12-22 | 上海威乐汽车空调器有限公司 | Concurrent flow evaporator capable of maximizing heat exchange performance |
| CN103697745A (en) * | 2014-01-20 | 2014-04-02 | 丹佛斯微通道换热器（嘉兴）有限公司 | Collecting pipe assembly and heat exchanger with collecting pipe assembly |
| CN103851949A (en) * | 2012-11-29 | 2014-06-11 | 杭州通产机械有限公司 | Collecting pipe for heat exchanger and concurrent flow heat exchanger with collecting pipe |
| CN105317586A (en) * | 2014-07-21 | 2016-02-10 | 北京航天动力研究所 | High-flow single-inlet annular liquid collecting chamber flow-equilibrating device |
| CN105737453A (en) * | 2014-12-09 | 2016-07-06 | 杭州三花研究院有限公司 | Cooling device and application method thereof |
| CN105758067A (en) * | 2014-12-19 | 2016-07-13 | 杭州三花研究院有限公司 | Cooling device |
| CN108120120A (en) * | 2016-11-28 | 2018-06-05 | 株式会社京滨冷暖科技 | Evaporator |
| WO2020114078A1 (en) * | 2018-12-04 | 2020-06-11 | 浙江三花智能控制股份有限公司 | Heat exchanger |
-
2009
- 2009-01-22 CN CNU200920037696XU patent/CN201359464Y/en not_active Expired - Lifetime
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101922826A (en) * | 2010-09-24 | 2010-12-22 | 上海威乐汽车空调器有限公司 | Concurrent flow evaporator capable of maximizing heat exchange performance |
| CN103851949A (en) * | 2012-11-29 | 2014-06-11 | 杭州通产机械有限公司 | Collecting pipe for heat exchanger and concurrent flow heat exchanger with collecting pipe |
| CN103697745A (en) * | 2014-01-20 | 2014-04-02 | 丹佛斯微通道换热器（嘉兴）有限公司 | Collecting pipe assembly and heat exchanger with collecting pipe assembly |
| CN105317586B (en) * | 2014-07-21 | 2017-11-28 | 北京航天动力研究所 | A kind of big flow list import annular liquid collecting cavity current equalizer |
| CN105317586A (en) * | 2014-07-21 | 2016-02-10 | 北京航天动力研究所 | High-flow single-inlet annular liquid collecting chamber flow-equilibrating device |
| CN105737453A (en) * | 2014-12-09 | 2016-07-06 | 杭州三花研究院有限公司 | Cooling device and application method thereof |
| CN105737453B (en) * | 2014-12-09 | 2020-01-07 | 杭州三花研究院有限公司 | Cooling device and method of use thereof |
| CN105758067A (en) * | 2014-12-19 | 2016-07-13 | 杭州三花研究院有限公司 | Cooling device |
| CN105758067B (en) * | 2014-12-19 | 2020-06-30 | 杭州三花研究院有限公司 | Cooling device |
| CN108120120A (en) * | 2016-11-28 | 2018-06-05 | 株式会社京滨冷暖科技 | Evaporator |
| CN108120120B (en) * | 2016-11-28 | 2020-07-07 | 株式会社京滨冷暖科技 | Evaporator with a heat exchanger |
| WO2020114078A1 (en) * | 2018-12-04 | 2020-06-11 | 浙江三花智能控制股份有限公司 | Heat exchanger |
| CN111271999A (en) * | 2018-12-04 | 2020-06-12 | 浙江三花智能控制股份有限公司 | Heat exchanger |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20091209 Effective date of abandoning: 20090122 |