CN104154682A - Cold accumulation type evaporator - Google Patents
Cold accumulation type evaporator Download PDFInfo
- Publication number
- CN104154682A CN104154682A CN201410410823.1A CN201410410823A CN104154682A CN 104154682 A CN104154682 A CN 104154682A CN 201410410823 A CN201410410823 A CN 201410410823A CN 104154682 A CN104154682 A CN 104154682A
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- cold
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- cold accumulation
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Abstract
The invention discloses a cold accumulation type evaporator which comprises a first collecting main, a second collecting main, a flat heat exchange tube, fins, basic cold accumulation units, a coolant inlet tube and a coolant outlet pipe. The cold accumulation type evaporator is characterized in that partition sheets are adopted to divide front-row evaporator parts and rear-row evaporator parts into four coolant flows and three cold accumulation regions; all the cold accumulation regions are independent of one another, and each cold accumulation region is provided with a plurality of basic cold accumulation units which share a cold accumulation medium injection port and an exhaust hole and are connected into a whole; cooling capacity is continuously stored in the three cold accumulation regions in the circulating process of coolants, and the three cold accumulation regions can immediately release the cooling capacity once needed. According to the cold accumulation type evaporator, the positions of the normal fins and an air passage are not occupied, ventilation resistance is lowered, and the refrigeration performance and cold accumulation ability of the cold accumulation type evaporator are improved; the structure of the evaporator is simplified, and the injection efficiency of cold accumulation media is improved; the cold accumulation type evaporator is more concise in structure and more convenient to produce and apply.
Description
Technical field
The present invention relates to air-conditioning and air supply rate design and manufacturing technology field, relate in particular to design and the manufacture of evaporimeter in air-conditioning system, concrete is a kind of cold storage evaporimeter.
Background technology
At present, automobile manufacturing company, in order to reduce automobile fuel consumption and to reduce discharge, has been developed the technology of a kind of crying " Start-Stop " (closing down), and when automobile is when running into red light or do other short stays, engine is to close down rather than idle running exactly.Because the compressor of air conditioning for automobiles is by driven by engine, engine is closed down rear air-conditioning with regard to cisco unity malfunction, and in car, comfortable environment just can not be guaranteed.In order to address this problem, with the evaporimeter of cool storage function, arise at the historic moment.Cold storage evaporimeter comprises two parts: a part is normal refrigerant passage, is the basis of automobile air-conditioning refrigeration and cold-storage; Another part is regenerator, contain basic cold-storage unit, by fill a certain amount of cool storage medium (PCM) to basic cold-storage unit, cold-storage when air conditioning for automobiles is normally worked, released cold quantity when air conditioning for automobiles quits work, make vehicle interior temperature maintain certain level, thereby guarantee the comfortable environment of taking in car.
Existing cold storage evaporimeter is improved on the basis of conventional evaporator, conventionally comprises with lower member: the first header, the second header, be in some flat heat exchange tube between the first header and the second header, in the fin between flat heat exchange tube and the some basic cold-storage unit between part flat heat exchange tube.Wherein, described basic cold-storage unit is the space of independent sealing, and they have replaced original part fin.Like this, can cause the reducing of evaporimeter draught area, flowing resistance to rise, energy consumption increases; Meanwhile, the heat exchange property of evaporimeter and systematic function also can decrease.In addition, because described basic cold-storage unit is each separate confined space, each basic cold-storage unit needs to arrange independent cool storage medium and fills mouth, and the manufacturing process of components more complicated of this structure, filled medium also filled efficiency cumbersome and medium is lower.
Summary of the invention
The object of the invention is to address the above problem, a kind of cold storage evaporimeter is provided, by designing again of structural configuration, make it to solve the problem that cold storage evaporimeter draught area reduces, flowing resistance rises, energy consumption increases, promote refrigeration performance, the cold-storage ability of cold storage evaporimeter, in addition, can simplify the manufacturing process of product, improve the filled efficiency of cool storage medium.
For realizing above-mentioned object, the present invention has adopted following technical scheme.
A kind of cold storage evaporimeter, contain the first header, the second header, be arranged on the some flat heat exchange tube between the first header and the second header, be arranged on the fin between flat heat exchange tube and be arranged on the some basic cold-storage unit between part flat heat exchange tube, refrigerant inlet tube and refrigerant exit pipe are set on described the first header, it is characterized in that, adopt the first partition, the second partition, Three-spacer, the 4th partition is divided into four refrigerant flow paths by front-seat evaporimeter and rear evaporator device: the first refrigerant flow path, the second refrigerant flow path, the 3rd refrigerant flow path, the 4th refrigerant flow path and three cold-storage regions: the first cold-storage region, the second cold-storage region, the 3rd cold-storage region, described the first refrigerant flow path and the 4th refrigerant flow path are arranged on the both sides (inlet side) of front-seat evaporimeter, and described the second refrigerant flow path and the 3rd refrigerant flow path are arranged on the centre (air side) of rear evaporator device, described the first refrigerant flow path is communicated with the first flowing hole between rear evaporator device by front-seat evaporimeter with described the second refrigerant flow path, described the 3rd refrigerant flow path is communicated with the second flowing hole between rear evaporator device by front-seat evaporimeter with described the 4th refrigerant flow path, completes refrigerant and enters from refrigerant import the circulation that refrigerant exit goes out, described the first cold-storage region division is in the centre (inlet side) of front-seat evaporimeter, and described the second cold-storage region and the 3rd cold-storage region division are at the right and left (air side) of rear evaporator device, described three cold-storage regions are independent of each other, in each cold-storage region, be provided with some basic cold-storages unit, described basic cold-storage unit is communicated with by the first header or the second header, forms a cold-storage region (regenerator) whole, that share filled mouthful an of cool storage medium and a steam vent, the quantity of described basic cold-storage unit is 20～30% of described flat heat exchange tube quantity, the quantity of the basic cold-storage unit that described three cold-storage regions are contained is identical or essentially identical.
Further, described basic cold-storage unit contains flat tube and inner fin.
Further, described flat tube is single hole structure, in described single hole structure, inner fin is set.
Optionally, the height of described flat tube is identical with the height of described refrigerant flat heat exchange tube, is 1.5～3.0mm, and profile is identical or not identical.
Further, the cool storage medium in described the first cold-storage region fills the medium position that mouth is arranged on the first header, and steam vent is arranged on the medium position of the second header.
Further, the cool storage medium in described the second cold-storage region and the 3rd cold-storage region fill and mouthful to be arranged on the left and right sides of the first header, on the medium position or end cap in the second cold-storage region and the 3rd cold-storage region; Their steam vent is arranged on the left and right sides of the second header, on the bottom in the second cold-storage region and the 3rd cold-storage region.
The good effect of a kind of cold storage evaporimeter of the present invention is:
(1) for the excessive problem of cold storage evaporimeter flowing resistance, evaporimeter chamber is set to the structure and layout in four refrigerant flow paths and three cold-storage regions, both position and the air flue of normal fin had been avoided taking, reduce again flowing resistance, promoted refrigeration performance and the cold-storage ability of cold storage evaporimeter.
(2) adopt the basic cold-storage unit being formed by flat tube and inner fin and be communicated with by the first header and the second header, form a whole regenerator, share a cool storage medium and fill mouth and a steam vent, filled mouthful of quantity of cool storage medium is obviously reduced, not only simplify product structure, and improved the filled efficiency of cool storage medium.
(3) product structure is more succinct, has simplified manufacturing process, makes the production of product and applies more convenient.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of cold storage evaporimeter of the present invention.
Fig. 2 is the refrigerant flow path block diagram of a kind of cold storage evaporimeter of the present invention.
Fig. 3 is the position view in four refrigerant flow paths and three cold-storage regions.
Fig. 4 is the structural representation of the second header and flowing hole.
Fig. 5 is the structural representation of flat heat exchange tube and basic cold-storage unit.
Label in figure is respectively:
1, the first header; 2, the second header; 3, fin;
4, flat heat exchange tube; 5, basic cold-storage unit; 6, steam vent;
7, refrigerant inlet tube; 8, refrigerant exit pipe; 901, the first partition;
902, the second partition; 903, Three-spacer; 904, the 4th partition;
10, cool storage medium fills mouth; 11, the first cold-storage region; 12, the second cold-storage region;
13, the 3rd cold-storage region; 1401, the first flowing hole; 1402, the second flowing hole;
15, flat tube; 16, inner fin; 1701, the first refrigerant flow path;
1702, the second refrigerant flow path; 1703, the 3rd refrigerant flow path; 1704, the 4th refrigerant flow path.
The specific embodiment
Below in conjunction with accompanying drawing, further illustrate the specific embodiment of a kind of cold storage evaporimeter of the present invention, but be noted that enforcement of the present invention is not limited to following embodiment.
Referring to Fig. 1.A kind of cold storage evaporimeter, design thickness is 30～60mm, contain the first header 1, the second header 2, between the first header 1 and the second header 2, some flat heat exchange tube 4 are set, described flat heat exchange tube 4 is refrigerant passage, it is highly 1.5～3.0mm, generally can adopt the micro-channel design of porous (referring to Fig. 5); Between described flat heat exchange tube 4, fin 3 is set, can adopt is highly the fin 3 of 5～7mm; And some basic cold-storages unit 5 is set between part flat heat exchange tube 4, described basic cold-storage unit 5 is for depositing the enclosure space of cool storage medium (PCM); On described the first header 1, refrigerant inlet tube 7 and refrigerant exit pipe 8 are set.
The present invention is noted that in force and adopts the first partition 901, the second partition 902, Three-spacer 903, the 4th partition 904 that front-seat evaporimeter and rear evaporator device are separated into four refrigerant flow paths: the first refrigerant flow path 1701, the second refrigerant flow path 1702, the 3rd refrigerant flow path 1703, the 4th refrigerant flow path 1704 and three cold-storage regions: the first cold-storage region 11, the second cold-storage region 12, the 3rd cold-storage region 13.Described the first refrigerant flow path 1701 and the 4th refrigerant flow path 1704 are arranged on to the both sides (inlet side) of front-seat evaporimeter, described the second refrigerant flow path 1702 and the 3rd refrigerant flow path 1703 are arranged on to the centre (air side) (referring to Fig. 2 and Fig. 3) of rear evaporator device.Described the first refrigerant flow path 1701 is communicated with the first flowing hole 1401 between rear evaporator device by front-seat evaporimeter with described the second refrigerant flow path 1702; Described the 3rd refrigerant flow path 1703 is communicated with to (referring to Fig. 4) by front-seat evaporimeter with the second flowing hole 1402 between rear evaporator device with described the 4th refrigerant flow path 1704, completes refrigerant from the circulation (referring to Fig. 2) of refrigerant entrance driveway refrigerant exit.
Described the first cold-storage region 11 is arranged on to the centre of front-seat evaporimeter (inlet side), described the second cold-storage region 12 and the 3rd cold-storage region 13 is arranged on to the right and left (referring to Fig. 2, Fig. 3) of rear evaporator device (air side).Described three cold-storage regions are independent of each other, and some basic cold-storage unit 5, cool storage medium that each cold-storage region is provided with oneself fill mouth 10 and steam vent 6, contribute to like this to improve the efficiency that basic cold-storage unit 5 fills refrigerants.
Described basic cold-storage unit 5 consists of flat tube 15 and inner fin 16: described flat tube 15 is single hole structure, in flat tube 15 inside, inner fin 16(is set referring to Fig. 5), can guarantee like this compressive resistance of flat tube 15, promote the dynamic performance of ice storage of flat tube 15.Described flat tube 15 can adopt the structural member identical with height (1.5～3.0mm) with described refrigerant flat heat exchange tube 4 profiles.Certainly, if design needs, also can adopt structural members highly identical, that profile is different.
The quantity of the basic cold-storage unit 5 that the present invention adopts is 20～30% of described flat heat exchange tube 4 quantity of adopting.The quantity of the basic cold-storage unit 5 that described three cold-storage regions (the first cold-storage region 11, the second cold-storage region 12, the 3rd cold-storage region 13) are contained is identical or essentially identical.
Described basic cold-storage unit 5 is communicated with by the first header 1 and the second header 2, forms a whole regenerator, share a cool storage medium and fill mouthful 10 and steam vents 6.The cool storage medium in the first cold-storage region 11 is filled to the medium position that mouth 10 is arranged on the first header 1, the steam vent in the first cold-storage region 11 6 is arranged on to the medium position (referring to Fig. 1) of the second header 2.The cool storage medium in the second cold-storage region 12 and the 3rd cold-storage region 13 is filled and mouthfuls 10 is arranged on the left and right sides of the first header 1, on the medium position or end cap in the second cold-storage region 12 and the 3rd cold-storage region 13; By the steam vent 6 in the second cold-storage region 12 and the 3rd cold-storage region 13 be arranged on the left and right sides of the second header 2, on the bottom in the second cold-storage region 12 and the 3rd cold-storage region 13 (not shown in the figures, but can with reference to the structure of figure 1).
The course of work of a kind of cold storage evaporimeter of the present invention is:
Refrigerant is introduced into the first refrigerant flow path 1701 by refrigerant inlet tube 7, then by the first flowing hole 1401 between front-seat evaporimeter and rear evaporator device, enter the second refrigerant flow path 1702, in this process, part cold is stored in the first cold-storage region 11 and the second cold-storage region 12.Refrigerant continues to enter the 3rd refrigerant flow path 1703 through the second refrigerant flow path 1702, then by the second flowing hole 1402 between front-seat evaporimeter and rear evaporator device, enter the 4th refrigerant flow path 1704, in this process, part cold is stored in the 3rd cold-storage region 13 and continues to be stored in the first cold-storage region 11.Once used the automobile of " Start-Stop " technology to make a brief stay the engine pass stopping time, three cold-storage regions of the cold storage evaporimeter of the present invention are energy released cold quantity just, makes vehicle interior temperature maintain certain level.Because cold storage evaporimeter of the present invention has good cold-storage ability, thereby can the long period guarantee the comfortable environment of taking in car.
Claims (6)
1. a cold storage evaporimeter, contain the first header (1), the second header (2), be arranged on the some flat heat exchange tube (4) between the first header (1) and the second header (2), be arranged on the fin (3) between flat heat exchange tube (4) and be arranged on the some basic cold-storage unit (5) between part flat heat exchange tube (4), refrigerant inlet tube (7) and refrigerant exit pipe (8) are set on described the first header (1), it is characterized in that, adopt the first partition (901), the second partition (902), Three-spacer (903), the 4th partition (904) is divided into four refrigerant flow paths by front-seat evaporimeter and rear evaporator device: the first refrigerant flow path (1701), the second refrigerant flow path (1702), the 3rd refrigerant flow path (1703), the 4th refrigerant flow path (1704) and three cold-storage regions: the first cold-storage region (11), the second cold-storage region (12), the 3rd cold-storage region (13), described the first refrigerant flow path (1701) and the 4th refrigerant flow path (1704) are arranged on the both sides of front-seat evaporimeter, and described the second refrigerant flow path (1702) and the 3rd refrigerant flow path (1703) are arranged on the centre of rear evaporator device, described the first refrigerant flow path (1701) is communicated with the first flowing hole (1401) between rear evaporator device by front-seat evaporimeter with described the second refrigerant flow path (1702), described the 3rd refrigerant flow path (1703) is communicated with the second flowing hole (1402) between rear evaporator device by front-seat evaporimeter with described the 4th refrigerant flow path (1704), completes refrigerant and enters from refrigerant import the circulation that refrigerant exit goes out, described the first cold-storage region (11) is arranged on the centre of front-seat evaporimeter, and described the second cold-storage region (12) and the 3rd cold-storage region (13) are arranged on the right and left of rear evaporator device, described three cold-storage regions are independent of each other, in each cold-storage region, be provided with some basic cold-storages unit (5), described basic cold-storage unit (5) is communicated with by the first header (1) or the second header (2), forms a cold-storage region whole, that share a cool storage medium filled mouthful (10) and a steam vent (6), the quantity of described basic cold-storage unit (5) is 20～30% of described flat heat exchange tube (4) quantity, the quantity of the basic cold-storage unit (5) that described three cold-storage regions are contained is identical or essentially identical.
2. a kind of cold storage evaporimeter according to claim 1, is characterized in that, described basic cold-storage unit (5) contains flat tube (15) and inner fin (16).
3. a kind of cold storage evaporimeter according to claim 2, is characterized in that, described flat tube (15) is single hole structure, and inner fin (16) is set in described single hole structure.
4. a kind of cold storage evaporimeter according to claim 3, is characterized in that, the height of described flat tube (15) is identical with the height of described refrigerant flat heat exchange tube (4), is 1.5～3.0mm, and profile is identical or not identical.
5. a kind of cold storage evaporimeter according to claim 1, it is characterized in that, the cool storage medium in described the first cold-storage region (11) fills the medium position that mouthful (10) are arranged on the first header (1), and steam vent (6) is arranged on the medium position of the second header (2).
6. a kind of cold storage evaporimeter according to claim 1, it is characterized in that, the cool storage medium in described the second cold-storage region (12) and the 3rd cold-storage region (13) fill mouthful (10) be arranged on the left and right sides of the first header (1), on the medium position or end cap in the second cold-storage region (12) and the 3rd cold-storage region (13); Their steam vent (6) is arranged on the left and right sides of the second header (2), on the bottom in the second cold-storage region (12) and the 3rd cold-storage region (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410410823.1A CN104154682B (en) | 2014-08-20 | 2014-08-20 | A kind of cold storage evaporimeter |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410410823.1A CN104154682B (en) | 2014-08-20 | 2014-08-20 | A kind of cold storage evaporimeter |
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| CN104154682A true CN104154682A (en) | 2014-11-19 |
| CN104154682B CN104154682B (en) | 2016-05-25 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106918196A (en) * | 2015-12-24 | 2017-07-04 | 中集安瑞科能源装备（苏州）有限公司 | The re-liquefied system of boil-off gas |
| CN109579374A (en) * | 2018-11-29 | 2019-04-05 | 长沙凯天工研院环保服务有限公司 | A kind of condensing mechanism |
| CN109612161A (en) * | 2018-12-13 | 2019-04-12 | 博耐尔汽车电气系统有限公司 | A kind of automobile air-conditioning evaporator |
| CN110323512A (en) * | 2018-03-29 | 2019-10-11 | 上海加冷松芝汽车空调股份有限公司 | Stacked combination exchanger with timesharing cooling and heating function |
| CN115315602A (en) * | 2020-05-29 | 2022-11-08 | 松下知识产权经营株式会社 | Heat exchanger and refrigerator |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106918196A (en) * | 2015-12-24 | 2017-07-04 | 中集安瑞科能源装备（苏州）有限公司 | The re-liquefied system of boil-off gas |
| CN110323512A (en) * | 2018-03-29 | 2019-10-11 | 上海加冷松芝汽车空调股份有限公司 | Stacked combination exchanger with timesharing cooling and heating function |
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| CN115315602A (en) * | 2020-05-29 | 2022-11-08 | 松下知识产权经营株式会社 | Heat exchanger and refrigerator |
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| CN104154682B (en) | 2016-05-25 |
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Effective date of registration: 20161009 Address after: 545036 the Guangxi Zhuang Autonomous Region Liuzhou Liu Dong New Area Bay Road No. 2 East standard workshop No. 2 supporting office building 102 Patentee after: Liuzhou pine Car Air Conditioner Co., Ltd. Patentee after: Shanghai Songz Automobile Air Conditioning Co., Ltd. Address before: 201108 Shanghai Huaning Minhang District Industrial Zone Xhenzhuang Road No. 4999 Patentee before: Shanghai Songz Automobile Air Conditioning Co., Ltd. |