CN110645739A - Automobile air conditioner parallel flow evaporator - Google Patents
Automobile air conditioner parallel flow evaporator Download PDFInfo
- Publication number
- CN110645739A CN110645739A CN201911045558.0A CN201911045558A CN110645739A CN 110645739 A CN110645739 A CN 110645739A CN 201911045558 A CN201911045558 A CN 201911045558A CN 110645739 A CN110645739 A CN 110645739A
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- CN
- China
- Prior art keywords
- air chamber
- heat exchange
- exchange module
- parallel flow
- air conditioner
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000007788 liquid Substances 0.000 claims description 7
- 238000005476 soldering Methods 0.000 claims description 7
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 5
- 229910052782 aluminium Inorganic materials 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 5
- 238000006243 chemical reaction Methods 0.000 abstract description 2
- 238000005192 partition Methods 0.000 description 7
- 239000003507 refrigerant Substances 0.000 description 7
- 229910001220 stainless steel Inorganic materials 0.000 description 6
- 239000010935 stainless steel Substances 0.000 description 6
- 238000009434 installation Methods 0.000 description 5
- 238000001704 evaporation Methods 0.000 description 4
- 230000008020 evaporation Effects 0.000 description 4
- 238000003466 welding Methods 0.000 description 4
- 230000000903 blocking effect Effects 0.000 description 2
- 238000005219 brazing Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000004378 air conditioning Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 238000000638 solvent extraction Methods 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B39/00—Evaporators; Condensers
- F25B39/02—Evaporators
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F1/00—Tubular elements; Assemblies of tubular elements
- F28F1/02—Tubular elements of cross-section which is non-circular
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F1/00—Tubular elements; Assemblies of tubular elements
- F28F1/10—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses
- F28F1/12—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element
- F28F1/34—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element and extending obliquely
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Geometry (AREA)
- Air-Conditioning For Vehicles (AREA)
Abstract
The invention discloses a parallel flow evaporator of an automobile air conditioner, which is characterized in that: including heat exchange module, heat exchange module includes air chamber and lower air chamber, it is equipped with flat pipe to go up the air chamber and be equipped with flat pipe down between the air chamber, and is adjacent be equipped with the fin between the flat pipe, go up the air chamber and be equipped with the division board in the air chamber down respectively, flat intraductal being equipped with is separated into the first baffle of a plurality of passageways with it along its length direction, still is equipped with along the second baffle of length direction slope arrangement in every passageway. The automobile air conditioner parallel flow evaporator has the advantages of simple structure, good applicability, high use efficiency, small weight and volume, high conversion efficiency of unit volume and better application prospect.
Description
Technical Field
The invention belongs to the technical field of air conditioners, and particularly relates to a parallel flow evaporator of an automobile air conditioner.
Background
Currently, in the field of manufacturing technology of automobile air conditioners, in order to improve the heat exchange efficiency of the evaporator for automobile air conditioners in unit volume/unit weight and reduce the space and the size and weight required for installation, the structural form of the evaporator for automobile air conditioners is developed from a tube sheet type, a tube belt type and a laminated type to a parallel flow type. In addition, the requirements of the current new energy air conditioner on the space size and the performance are gradually improved, and along with the maturity of the heat pump system technology, the application of the multipurpose core body is gradually emphasized. The core of the current most of evaporators is used for single refrigeration and has the problems of thicker thickness, heavy weight, overlarge volume, low use efficiency and the like.
Disclosure of Invention
The invention aims to solve the problems in the prior art and provides the parallel flow evaporator of the automobile air conditioner, which has the advantages of simple structure, good applicability and high use efficiency.
In order to achieve the above object, the present invention provides a parallel flow evaporator for an air conditioner of a vehicle, comprising: including heat exchange module, heat exchange module includes air chamber and lower air chamber, it is equipped with flat pipe to go up the air chamber and be equipped with flat pipe down between the air chamber, and is adjacent be equipped with the fin between the flat pipe, go up the air chamber and be equipped with the division board in the air chamber down respectively, flat intraductal being equipped with is separated into the first baffle of a plurality of passageways with it along its length direction, still is equipped with along the second baffle of length direction slope arrangement in every passageway.
In order to make the technical scheme more detailed and concrete, the invention also provides the following further preferable technical scheme to obtain satisfactory practical effect:
the fin is integrally of a rectangular structure obliquely arranged between the adjacent flat pipes.
The fin is provided with a plurality of windows, and the windows are symmetrically arranged along the width direction of the fin by taking the center line of the fin as a symmetry axis.
The window opening angle range of the fin is 31-38 degrees.
The long edges of the fins are correspondingly connected to the side walls of the flat pipes and are arranged in a downward inclined mode.
And drainage grooves are formed in the wide edge of each of the two sides of the fin and the long edge of one side close to the downward inclination.
One side of this parallel flow evaporator is equipped with the sideboard, the sideboard is arranged in one side of the flat pipe in the outside.
The cross sections of the upper air chamber and the lower air chamber are of 8-shaped structures, and the main bodies of the upper air chamber and the lower air chamber are made of aluminum materials.
The heat exchange module is divided into a front heat exchange module and a rear heat exchange module, and a lower air chamber of the front heat exchange module is communicated with a lower air chamber of the rear heat exchange module through an overflowing hole; the upper air chamber of the rear heat exchange module is communicated with the liquid inlet flow channel; and the upper air chamber of the front heat exchange module is communicated with the air outlet pipeline.
And soldering lugs are respectively arranged at the joints of the flat tubes and the upper air chamber and the lower air chamber.
Compared with the prior art, the invention has the following advantages: the automobile air conditioner parallel flow evaporator has the advantages of simple structure, good applicability, high use efficiency and better application prospect.
Drawings
The contents of the drawings and the reference numerals in the drawings of the present specification will be briefly described as follows:
FIG. 1 is a schematic view of a parallel flow evaporator of an automotive air conditioner according to the present invention.
FIG. 2 is a schematic view of the structure of a parallel flow evaporator of an automotive air conditioner according to the present invention.
Fig. 3 is a schematic view of the flat tube structure of the present invention.
FIG. 4 is a schematic view of a fin structure of the present invention.
In the drawings, the reference numbers: 1. preceding heat transfer module, 2, back heat transfer module, 3, flat pipe, 31, first baffle, 32, second baffle, 4, fin, 41, windowing, 42, drainage groove, 5, go up the air chamber, 6, lower air chamber, 7, soldering lug, 8, blanking cover, 9, division board, 10, sideboard.
Detailed Description
The following description of the embodiments of the present invention will be made in detail with reference to the accompanying drawings.
The automobile air conditioner parallel flow evaporator comprises a heat exchange module as shown in figures 1, 2 and 3, wherein the heat exchange module comprises an upper air chamber 5 and a lower air chamber 6, flat pipes 3 are arranged between the upper air chamber 5 and the lower air chamber 6, fins 4 are arranged between the adjacent flat pipes 3, partition plates 9 are respectively arranged in the upper air chamber 5 and the lower air chamber 6, first partition plates 31 for partitioning the flat pipes into a plurality of channels along the length direction are arranged in the flat pipes 3, and second partition plates 32 which are obliquely arranged in each channel along the length direction are also arranged.
In the invention, the fin 4 is integrally in a rectangular structure obliquely arranged between the adjacent flat tubes. As shown in fig. 4, the fin 4 is provided with a plurality of windows 41, and the windows 41 are arranged along the width direction of the fin 4 and symmetrically open with the center line of the fin 4 as a symmetry axis. The window-opening angle range of the fin is 31-38 degrees, and the fin is a large-attack-angle window, so that the heat exchange efficiency can be greatly improved.
In the invention, the long sides of the fins 4 are correspondingly connected to the side walls of the flat tubes and are arranged in a downward inclined mode. The fin fenestration 41 is formed by stamping on the fin, and a plurality of fenestrations 41 with opposite openings are symmetrically distributed on the fin by taking a center line parallel to the short side as a symmetrical center. And drainage grooves 42 are formed in the wide edge of each side of the fin 4 and the long edge of one side close to the downward inclination. The structure can avoid the gathering of condensed water, so that the condensed water can be smoothly discharged, the fins of the structure can reduce the probability of frosting and icing on the surface of the parallel flow evaporator while improving the heat exchange efficiency, and the service performance is better.
The parallel flow evaporator of the automobile air conditioner is provided with an edge plate 10 on one side, and the edge plate 10 is arranged on one side of the flat tube 3 on the outermost side, as shown in figures 1 and 2. Only one side of the two sides of the heat exchange module is provided with the side plate 10, during installation, the other side of the heat exchange module is limited by a stainless steel brazing tool, and the stainless steel tool is removed after welding is completed so as to reduce the weight.
In the invention, the sections of the upper air chamber 5 and the lower air chamber 6 are both in an 8-shaped structure, and the main bodies of the upper air chamber 5 and the lower air chamber 6 are made of aluminum materials, so that the overall weight of the evaporation chamber is reduced, and the use requirements under more conditions are met.
In the invention, the heat exchange module is divided into a front heat exchange module 1 and a rear heat exchange module 2, and a lower air chamber 6 of the front heat exchange module 1 is communicated with a lower air chamber 6 of the rear heat exchange module 2 through an overflowing hole; the upper air chamber 5 of the rear heat exchange module 2 is communicated with the liquid inlet flow channel; the upper air chamber 5 of the front heat exchange module 1 is communicated with an air outlet pipeline. One end of the flat pipe 3 is connected into the mounting hole of the upper air chamber and communicated with the upper air chamber, and the other end of the flat pipe is connected into the mounting hole of the lower air chamber and communicated with the lower air chamber. A refrigerant flowing out of a throttling device of the automobile air conditioning system enters an upper air chamber of the rear heat exchange module 2 from a liquid inlet flow channel and flows in each porous flat tube of the rear heat exchange module 2; then the refrigerant enters the lower air chamber of the rear heat exchange module 2 and enters the lower air chamber of the front heat exchange module 1 through the overflowing hole, then the refrigerant flows along the flat pipe of the front heat exchange module 1, the refrigerant in the pipe is gradually changed into superheated gas from a gas-liquid two-phase state along with the heat exchange process with the cooled air outside the pipe, and finally the superheated gas flows out through the gas outlet pipeline of the upper air chamber of the front heat exchange module. In the process, the refrigerant enters the lower air chamber of the rear heat exchange module and enters the lower air chamber of the front heat exchange module through the overflowing holes, and flows into each flat pipe 3 through the plurality of partition plates 9 in an evenly distributed mode, and the heat exchange efficiency can be improved in the flat pipes 3 which are arranged in a porous mode and have special structures.
In the invention, the connecting parts of the flat tube and the upper air chamber and the lower air chamber are respectively provided with the soldering lug 7, as shown in figure 2, and during assembly, the soldering connection is realized through the soldering lug 7 arranged between the flat tube 3 and the upper air chamber 5 and the lower air chamber 6.
The parallel flow evaporator provided by the invention is only provided with the unilateral side plate, so that the wrong installation in the installation process of the evaporation chamber can be prevented to a certain extent, the installation efficiency is improved, and the probability of the dislocation of the liquid inlet chamber and the gas outlet chamber can be reduced; the main body mechanism of the evaporation chamber is made of aluminum materials, so that the overall weight of the evaporation chamber is light, and the overall applicability of the evaporator is better; only one side plate structure is arranged, the side plate is replaced by a reusable stainless steel tool for welding, and the stainless steel tool is removed after welding to reduce the weight; the design of the partition plate plays roles of shunting and converging, so that the internal effective volume is reasonably utilized, and the heat exchange efficiency is improved; by using the novel porous flat tube, the inner wall area of the integral flat tube is increased, so that the contact area of a refrigerant and an aluminum material in the micro-channel is increased, and the heat exchange efficiency is improved; the novel fin structure and the windowing are used, so that the heat exchange with air is more efficient and uniform, the windowing angle takes the thickness of the evaporator and the wind resistance factor into consideration, the range is 25-38 degrees, and the large-attack-angle windowing is realized; the microchannel tubes of the evaporator are vertically arranged, the fins are rectangular, drainage and efficiency improvement are facilitated, the thickness of the fins is controlled to be 30mm, and the evaporator can be used as an indoor radiator of a heat pump system.
The invention relates to a parallel flow evaporator of an automobile air conditioner, which comprises a heat exchange module, wherein the heat exchange module comprises an upper air chamber 5 and a lower air chamber 6, the upper air chamber 5 is communicated with the lower air chamber 6 through a plurality of flat tubes 3, fins 4 are arranged between the adjacent flat tubes 3, and the middle parts of the upper air chamber 5 and the lower air chamber 6 are respectively provided with a partition plate 9; the partition plate 9 serves to uniformly distribute the refrigerant. The heat exchange module comprises a front heat exchange module 1 and a rear heat exchange module 2, and a lower air chamber 6 of the front heat exchange module 1 is communicated with a lower air chamber 6 of the rear heat exchange module 2 through an overflowing hole arranged in the lower air chamber; the upper air chamber 5 of the rear heat exchange module 2 is communicated with the liquid inlet flow channel; the upper air chamber 5 of the front heat exchange module 1 is communicated with an air outlet pipeline; and soldering lugs 7 are respectively arranged at the joints of the flat tubes 3 and the upper and lower air chambers. One end of the flat tube 3 is connected into the mounting hole of the upper air chamber 5 and communicated with the upper air chamber 5, and the other end of the porous flat tube 3 is connected into the mounting hole of the lower air chamber 6 and communicated with the lower air chamber 6. Only one side of the two sides of the heat exchange module is provided with the side plate 10, during installation, the other side of the heat exchange module is limited by a stainless steel brazing tool, and the stainless steel tool is removed after welding is completed so as to reduce the weight. Two ends of the upper air chamber are respectively provided with a blocking cover 8, and two ends of the lower air chamber are respectively provided with a blocking cover 8.
The automobile air conditioner parallel flow evaporator has the advantages of simple structure, good applicability, high use efficiency, small weight and volume, high conversion efficiency of unit volume and better application prospect.
The invention has been described above with reference to the accompanying drawings, but the invention is not limited to the above-described embodiments, and it is within the scope of the invention to use various insubstantial modifications of the inventive concept and solutions or to apply them directly to other applications.
Claims (10)
1. The utility model provides a vehicle air conditioner concurrent flow evaporimeter which characterized in that: including heat exchange module, heat exchange module includes air chamber and lower air chamber, it is equipped with flat pipe to go up the air chamber and be equipped with flat pipe down between the air chamber, and is adjacent be equipped with the fin between the flat pipe, go up the air chamber and be equipped with the division board in the air chamber down respectively, flat intraductal being equipped with is separated into the first baffle of a plurality of passageways with it along its length direction, still is equipped with along the second baffle of length direction slope arrangement in every passageway.
2. A parallel flow evaporator for a vehicle air conditioner according to claim 1, wherein: the fin is integrally of a rectangular structure obliquely arranged between the adjacent flat pipes.
3. A parallel flow evaporator for a vehicle air conditioner according to claim 2, wherein: the fin is provided with a plurality of windows, and the windows are symmetrically arranged along the width direction of the fin by taking the center line of the fin as a symmetry axis.
4. A parallel flow evaporator for a vehicle air conditioner according to claim 3, wherein: the window opening angle range of the fin is 31-38 degrees.
5. The parallel flow evaporator for an air conditioner of a vehicle as set forth in claim 4, wherein: the long edges of the fins are correspondingly connected to the side walls of the flat pipes and are arranged in a downward inclined mode.
6. The parallel flow evaporator for an air conditioner of a vehicle as set forth in claim 5, wherein: and drainage grooves are formed in the wide edge of each of the two sides of the fin and the long edge of one side close to the downward inclination.
7. A parallel flow evaporator for a vehicle air conditioner according to claim 1, wherein: one side of this parallel flow evaporator is equipped with the sideboard, the sideboard is arranged in one side of the flat pipe in the outside.
8. A parallel flow evaporator for a vehicle air conditioner according to claim 1, wherein: the cross sections of the upper air chamber and the lower air chamber are of 8-shaped structures, and the main bodies of the upper air chamber and the lower air chamber are made of aluminum materials.
9. A parallel flow evaporator for a vehicle air conditioner according to claim 1, wherein: the heat exchange module is divided into a front heat exchange module and a rear heat exchange module, and a lower air chamber of the front heat exchange module is communicated with a lower air chamber of the rear heat exchange module through an overflowing hole; the upper air chamber of the rear heat exchange module is communicated with the liquid inlet flow channel; and the upper air chamber of the front heat exchange module is communicated with the air outlet pipeline.
10. A parallel flow evaporator for a vehicle air conditioner according to claim 1, wherein: and soldering lugs are respectively arranged at the joints of the flat tubes and the upper air chamber and the lower air chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911045558.0A CN110645739A (en) | 2019-10-30 | 2019-10-30 | Automobile air conditioner parallel flow evaporator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911045558.0A CN110645739A (en) | 2019-10-30 | 2019-10-30 | Automobile air conditioner parallel flow evaporator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110645739A true CN110645739A (en) | 2020-01-03 |
Family
ID=68995137
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911045558.0A Pending CN110645739A (en) | 2019-10-30 | 2019-10-30 | Automobile air conditioner parallel flow evaporator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110645739A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2006064823A1 (en) * | 2004-12-16 | 2006-06-22 | Showa Denko K.K. | Evaporator |
| CN200975851Y (en) * | 2006-11-09 | 2007-11-14 | 刘仁家 | Parallel flow type evaporator of automobile air conditioner |
| CN201476417U (en) * | 2009-07-23 | 2010-05-19 | 芜湖精博热传导技术有限公司 | Novel automobile air-conditioning evaporator |
| CN101713617A (en) * | 2009-10-22 | 2010-05-26 | 天津三电汽车空调有限公司 | Flat pipe structure of heat exchanger and heat exchanger thereof |
| 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 |
| CN207365784U (en) * | 2017-09-30 | 2018-05-15 | 博格思众（常州）热交换器有限公司 | A kind of fin and evaporator |
| CN110195943A (en) * | 2018-02-27 | 2019-09-03 | 四川赛特制冷设备有限公司 | Lightweight high-performance parallel flow evaporators core |
| CN211084507U (en) * | 2019-10-30 | 2020-07-24 | 博耐尔汽车电气系统有限公司 | Parallel flow evaporator of automobile air conditioner |
-
2019
- 2019-10-30 CN CN201911045558.0A patent/CN110645739A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2006064823A1 (en) * | 2004-12-16 | 2006-06-22 | Showa Denko K.K. | Evaporator |
| CN200975851Y (en) * | 2006-11-09 | 2007-11-14 | 刘仁家 | Parallel flow type evaporator of automobile air conditioner |
| CN201476417U (en) * | 2009-07-23 | 2010-05-19 | 芜湖精博热传导技术有限公司 | Novel automobile air-conditioning evaporator |
| CN101713617A (en) * | 2009-10-22 | 2010-05-26 | 天津三电汽车空调有限公司 | Flat pipe structure of heat exchanger and heat exchanger thereof |
| 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 |
| CN207365784U (en) * | 2017-09-30 | 2018-05-15 | 博格思众（常州）热交换器有限公司 | A kind of fin and evaporator |
| CN110195943A (en) * | 2018-02-27 | 2019-09-03 | 四川赛特制冷设备有限公司 | Lightweight high-performance parallel flow evaporators core |
| CN211084507U (en) * | 2019-10-30 | 2020-07-24 | 博耐尔汽车电气系统有限公司 | Parallel flow evaporator of automobile air conditioner |
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