CN208012166U - Lightweight high-performance parallel flow evaporators core - Google Patents
Lightweight high-performance parallel flow evaporators core Download PDFInfo
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- CN208012166U CN208012166U CN201820150380.0U CN201820150380U CN208012166U CN 208012166 U CN208012166 U CN 208012166U CN 201820150380 U CN201820150380 U CN 201820150380U CN 208012166 U CN208012166 U CN 208012166U
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- flat tube
- core
- parallel flow
- lightweight high
- fin
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Abstract
The utility model discloses a kind of lightweight high-performance parallel flow evaporators core, including flat tube and the fin that is arranged at flat tube, the core thickness is X, 28mm≤X < 34mm.The utility model lighter in weight, while heat exchanger effectiveness is preferable.
Description
Technical field
The utility model is related to air-conditioning system more particularly to a kind of lightweight high-performance parallel flow evaporators cores.
Background technology
Heat exchanger is the device that a kind of temperature transmits heat between different medium, is widely used in air conditioning for automobiles condensation
On device, evaporator.Heat exchanger core is energy saving.Evaporator core live through pipe type, corrugated tube type, it is stacked till now
Concurrent flow, performance are greatly improved, and the cost of raw material is also reduced.
Simultaneously, response national " energy saving, emission reduction " is called, new-energy automobile is quickly grown, to increase new-energy automobile continuation of the journey
Mileage, vehicle lightweight, raising heat exchanger effectiveness are particularly important.And parallel-flow evaporator is carried out also by thinned core thickness
Lightweight.Domestic parallel flow evaporator core mainstream thickness 38mm, foreign latest technology is 34mm thickness concurrent flow cores, parallel
The 1 of flow evaporator device core flat tube use is aluminium.Want on existing industry concurrent flow core platform by be thinned core thickness come
Implement lightweight meeting, will be by directly reducing flat tube width, refrigerant flow aisle spare is reduced, medium side refrigerant flow subtracts
It is few;Air side heat exchange area is due to the shortening therefore reduction of fin simultaneously, and wind side heat-exchange capacity is insufficient, so as to cause entire
Parallel flow evaporator core unit area refrigerating capacity is insufficient.On the other hand, if lightweight, which relies on merely, is thinned flat tube wall thickness, meeting
Cause flat tube to bear pressure not reaching requirement, thin-walled corrosion resistance declines.
Utility model content
The purpose of this utility model is exactly to solve the above-mentioned problems, to provide a kind of lighter in weight and heat exchanger effectiveness is preferable
Lightweight high-performance parallel flow evaporators core.
To achieve the goals above, the utility model adopts the following technical solution:A kind of lightweight high-performance parallel flow type
Evaporator core, including flat tube and the fin that is arranged at flat tube, which is characterized in that the core thickness is X, 28mm≤X <
34mm。
Further, the flat tube thickness is 2.2-2.55mm, and flat tube 0.18~0.25mm of sidewall thickness, flat tube width is 12
~16mm.
Further, 32 °~38 ° of the fin louver angle, wave height 4.5-5.5mm.
Further, the thickness of the flat tube is 2.35mm, flat tube wall thickness 0.18mm, flat tube width 14mm, and the fin is opened
38 ° of window angle, wave height 5mm.
Further, the flat tube cross section structure has above, below, and the semicircle in above and below both sides is arranged, described
Semicircle is non-tangential manner with above and below connection type.
Further, the fin uses soldering connection with flat tube.
Further, the flat tube is that aluminium is made using 3.
Compared with prior art, the utility model has the advantages that:
1) the utility model flat tube material is that be changed to 3 be aluminium to aluminium from 1, conducive to loss of weight and improves flat tube unit area and changes
Thermal energy power.
2) the utility model increases flat tube thickness to 2.35mm, and flat tube wall thickness is reduced to 0.18mm, to increase flat tube endoporus
Area ensures single flat tube refrigerant passage area, while reducing fin wave height to 5mm to increase flat tube quantity on entire windward side
To ensure that entire core flows to area.
3) the utility model adds the structure of two intersection semicircles to improve the practical contact surface with fin of flat tube using two planes
Product.
4) the utility model increases fin louver angle, increases windowing number to improve the heat exchange of air side and fin.
By calculating or verifying, 38 ° of fin louver angle, windowing number 7x4.
5) the utility model is brazed welded rate to improve the exchange capability of heat of entire core by raising.
Description of the drawings
Fig. 1 is lightweight high-performance parallel flow evaporators core front view in embodiment, and part-structure is omitted in figure.
Fig. 2 is lightweight high-performance parallel flow evaporators core vertical view in embodiment.
Fig. 3 is flat tube sectional view in embodiment.
Fig. 4 is the stereogram of lightweight high-performance parallel flow evaporators core in embodiment.
Fig. 5 is fin local structural graph.
Fig. 6 is F-F sectional views in Fig. 5.
Reference sign:1 header, 2 flat tubes, 3 fins, W flat tube width, H flat tube thickness, X core thickness, G fins
Highly, J fins louver angle.
Specific implementation mode
Referring to Fig. 1 to Fig. 6, lightweight high-performance parallel flow evaporators core includes flat tube in a preferred embodiment
And the fin being arranged at flat tube, the core thickness are X, 28mm≤X < 34mm;The flat tube thickness is 2.3-2.4mm, flat
Thickness of pipe wall (sidewall thickness) 0.18~0.25mm, flat tube width are 14~16mm, 32 °~38 ° of the fin louver angle, wave height
(height) 4.5-5.5mm.The thickness of flat tube described in preferred embodiment be 2.35mm, flat tube thickness 0.18mm, the fin
Wave height is 5mm.Increase flat tube thickness to 2.35mm, reduces flat tube wall thickness to 0.18mm to increase flat tube endoporus area, ensure single
One flat tube refrigerant passage area, while it is entire to ensure to increase flat tube quantity on entire windward side to 5mm to reduce fin wave height
Core flows to area.
The flat tube cross section structure has above, below, and the semicircle in above and below both sides is arranged, the semicircle with
Above and below connection type is non-tangential manner, i.e., connection type is intersection (in figure at A).Change two plane of original flat tube and adds two
Tangent semi circular surface constitutes the structure on surface, adds the structure of two intersection semicircles using two planes to improve practical the connecing with fin of flat tube
Contacting surface is accumulated.
The fin uses soldering connection with flat tube.Welded rate is improved by being brazed, improves the heat-energy transducer of entire core
Power.
The flat tube is that aluminium is made using 3.It is aluminium that flat tube material, which is changed to 3, is conducive to loss of weight and improves flat tube unit plane
Product exchange capability of heat.Flat tube and fin welding are abundant, and contact surface increases, and reduces the thermal resistance from fin to flat tube.
Reduce weight:Former 38mm thickness parallel flow evaporator core referential weight 906g (without piping).
Existing 30mm thickness parallel flow evaporator core weight 736g (length and width dimensions same as reference core).
Two core heat exchange properties are suitable, the exchange capability of heat 4.5KW under standard condition.
The cold heavy ratio of 38mm thickness parallel flow evaporator cores:4.967W/g
The cold heavy ratio of 30mm thickness parallel flow evaporator cores:6.114W/g
Cold heavy ratio improves 23%.
Reduce cost:The weight of 30mm thickness parallel flow evaporator cores is on existing country 38m mainstream concurrent flows core basis
On reduce 18.7%, cost of raw and processed materials reduces.
Above description is merely a prefered embodiment of the utility model, on the scope of protection of the utility model is not limited in
Embodiment is stated, every technical solution for belonging to the utility model principle belongs to the scope of protection of the utility model.For this
For the technical staff in field, several improvement carried out under the premise of not departing from the principles of the present invention, these improvement
It should be regarded as the scope of protection of the utility model.
Claims (6)
1. a kind of lightweight high-performance parallel flow evaporators core, including flat tube and the fin that is arranged at flat tube, feature
It is, the core thickness is X, 28mm≤X<34mm;The flat tube cross section structure have above, below, and setting it is upper,
The semicircle of both sides below, the semicircle are non-tangential manner with above and below connection type.
2. lightweight high-performance parallel flow evaporators core according to claim 1, which is characterized in that the flat tube is thick
Degree is 2.2-2.55mm, and flat tube 0.18~0.25mm of sidewall thickness, flat tube width is 12~16mm.
3. lightweight high-performance parallel flow evaporators core according to claim 2, which is characterized in that the fin is opened
Window angle 32 ゜~38 ゜, wave height 4.5-5.5mm.
4. lightweight high-performance parallel flow evaporators core according to claim 3, which is characterized in that the flat tube
Thickness is 2.35mm, flat tube wall thickness 0.18mm, flat tube width 14mm, 38 ゜ of fin louver angle, wave height 5mm.
5. lightweight high-performance parallel flow evaporators core according to claim 1, which is characterized in that the fin with
Flat tube uses soldering connection.
6. lightweight high-performance parallel flow evaporators core according to claim 1, which is characterized in that the flat tube is adopted
It is that aluminium is made with 3.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201820150380.0U CN208012166U (en) | 2018-01-29 | 2018-01-29 | Lightweight high-performance parallel flow evaporators core |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201820150380.0U CN208012166U (en) | 2018-01-29 | 2018-01-29 | Lightweight high-performance parallel flow evaporators core |
Publications (1)
Publication Number | Publication Date |
---|---|
CN208012166U true CN208012166U (en) | 2018-10-26 |
Family
ID=63883603
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201820150380.0U Active CN208012166U (en) | 2018-01-29 | 2018-01-29 | Lightweight high-performance parallel flow evaporators core |
Country Status (1)
Country | Link |
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CN (1) | CN208012166U (en) |
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2018
- 2018-01-29 CN CN201820150380.0U patent/CN208012166U/en active Active
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