CN209344279U - A kind of binary channel coldplate of electrical vehicular power lithium battery - Google Patents
A kind of binary channel coldplate of electrical vehicular power lithium battery Download PDFInfo
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- CN209344279U CN209344279U CN201822186454.9U CN201822186454U CN209344279U CN 209344279 U CN209344279 U CN 209344279U CN 201822186454 U CN201822186454 U CN 201822186454U CN 209344279 U CN209344279 U CN 209344279U
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- lithium battery
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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Abstract
A kind of binary channel coldplate of electrical vehicular power lithium battery.The utility model includes bottom plate, tank plate, cover board, and bottom plate, tank plate, cover board are from top to bottom fixedly connected sequentially, and the tank plate is provided with II two cooling channels of water channel I and water channel；The water channel I, water channel II are parallel to each other and for continuous S-shapeds, water channel I, water channel II 2 endpoints be separately positioned on cornerwise two end of rectangle coldplate；The water channel I is opposite with the coolant flow direction in water channel II；Water channel I, the water channel II of the continuous S-shaped are made of the hollow out of tank plate.The beneficial effect is that reasonable in design, for coolant flow direction in 2 water channels on the contrary, heat dissipation even results are good, temperature equalization in entire coldplate area coverage effectively extends battery；Liquid outlet, inlet setting rationally, when multiple coldplates are applied in combination, can shorten the length of connecting pipeline, avoid cross pipe-line；Manufacture craft is simple, and manufacturing cost is effectively reduced.
Description
Technical field
The utility model relates to a kind of dynamic lithium battery coldplates, more particularly, to a kind of the double of electrical vehicular power lithium battery
Access coldplate belongs to electric car manufacturing technology field.
Background technique
The development of new-energy automobile gets more and more people's extensive concerning, and the battery as electric car heart is even more electric car
The emphasis of research, power battery also become emphasis as the mobile energy, security performance.Electric automobile power battery generally uses
Power battery pack, and with the continuous improvement of course continuation mileage, the volume of power battery is increasing, and operating current is also increasingly
Greatly, in fast charging and discharging and the during of running at high speed, amount of heat can be generated, and general power battery case is seal shape
State, heat are difficult short time inner dissipation, and the aggregation of heat may cause the safety accidents such as the fever of battery, on fire, explosion.
The dynamical system lithium battery pack of electric car forms mould group by series, parallel by lithium ion single battery mostly and puts
It sets in battery case, reduces battery temperature using coldplate.The water channel of coolant liquid, the setting difference of water channel are provided in coldplate
It is provided with the inlet and liquid outlet of coolant liquid, under the action of electric vehicle water pump, coolant liquid enters coldplate by inlet
Water channel in, coolant liquid is flowed along the water channel of coldplate, after the outflow of liquid outlet through coldplate, is dissipated into vehicle radiator
Heat is entered in the cooling line of coldplate by the water inlet of coldplate again later, and coolant liquid is by so constantly circulation to drop
The temperature of low battery.
Currently, cooling board device is single water channel design, i.e. each 1 of inlet and liquid outlet, coolant liquid is from inlet stream
Enter, recycled through sluice, heat is taken away by liquid outlet outflow, there are the temperature in waterway circulating back segment region to be higher than water for the coldplate
Road recycles the temperature of front end, causes battery heat dissipation uneven；Because the temperature of powered cell of different zones is different, after long-time use
Battery status generates difference, and it is excessive voltage difference occur, causes battery short；The inlet and liquid outlet of existing coldplate
The same side is set, when needing the combined and spliced use of muti-piece coldplate to cause when needing muti-piece coldplate connecting and composing waterway circulating
It is intricate to connect water pipe.
Utility model content
Existing in the prior art above-mentioned in order to overcome the shortcomings of, the utility model provides a kind of electrical vehicular power lithium battery
Binary channel coldplate.
The technical scheme adopted by the utility model to solve the technical problem is as follows: a kind of bilateral of electrical vehicular power lithium battery
Road coldplate, including bottom plate, tank plate, cover board, bottom plate, tank plate, cover board are from top to bottom fixedly connected sequentially, the tank plate
It is provided with II two cooling channels of water channel I and water channel；The water channel I, water channel II are parallel to each other and are continuous S-shaped；It is cold in rectangle
But two of plate diagonal, one jiao of 1 endpoints for being provided with water channel I, water channel II, another angle be provided with water channel I, water channel II another 1
A endpoint；Coolant flow direction is opposite in coolant flow direction and water channel II in the water channel I.
Water channel I, the water channel II of the continuous S-shaped are made of the hollow out of tank plate.
The water channel I is equal with the width of water channel II.
The frame of the tank plate is fixedly connected with the bottom plate, cover board.
Further, it is fixedly connected and seals with the bottom plate below the tank plate；The upper surface of described tank plate and institute
Cover board is stated to be fixedly connected and seal.
The water channel I is corresponded on the cover board, the endpoint location of water channel II is provided with the inlet or liquid outlet of coolant liquid.
Further, a cornerwise end on rectangle cover board, the corresponding water channel I are provided with the feed liquor of water channel I
Mouth I, the corresponding water channel II are provided with the liquid outlet II of water channel II；In cornerwise the other end, the corresponding water channel I is arranged
There is the liquid outlet I of water channel I, the corresponding water channel II is provided with the inlet II of water channel II.
The bottom plate, tank plate, the material of cover board are aluminium alloy.
The aluminum alloy plate materials of the tank plate are with a thickness of 3-5mm；The bottom plate, cover board aluminum alloy plate materials with a thickness of 1-
3mm。
2 or 2 binary channel coldplates described above are applied in combination by water pipeline connection.
The utility model has the beneficial effects that reasonable in design, coolant flow direction in 2 water channels is on the contrary, heat dissipation
Even results are good, guarantee temperature equalization in entire coldplate area coverage, avoid unevenly battery status being caused to generate because of heat dissipation
Difference avoids the occurrence of the excessive problem of voltage difference, effectively extension battery；Liquid outlet, inlet setting are rationally, multiple
When binary channel coldplate is applied in combination, the length of connecting pipeline can be shortened, avoid cross pipe-line；Manufacture craft is simple, effectively
Reduce manufacturing cost.
Detailed description of the invention
Fig. 1 is the decomposition diagram of the binary channel coldplate of the utility model electrical vehicular power lithium battery.
Fig. 2 is the tank plate structural schematic diagram of the utility model.
Fig. 3 is the appearance diagram of the utility model.
In figure: 10. bottom plates, 20. tank plates, 21. water channels I, 22. water channels II, 23. partitions, 30. cover boards, 200. sealing rings,
201. inlets I, 202. liquid outlets I, 203. inlets II, 204. liquid outlets II, 205. inlet tubes I, 206. outlet tubes I,
207. inlet tubes II, 208. liquid outlets II, 209. hollow outs.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawings and examples.But those skilled in the art should
Know, the present invention is not limited to listed specific embodiments, as long as meeting spirit of the invention, should all be included in this
In the protection scope of invention.
Referring to attached drawing 1.A kind of binary channel coldplate of electrical vehicular power lithium battery of the utility model, including bottom plate 10, water
Frid 20, cover board 30, binary channel coldplate are rectangle.The tank plate 20 is provided with II 22 two coolings of water channel I 21 and water channel
Access；The water channel I 21, water channel II 22 are parallel to each other and are continuous S-shaped；Two in rectangle coldplate are diagonal, one jiao of setting
There is 1 endpoint of water channel I 21, water channel II 22, another angle is provided with another 1 endpoint of water channel I 21, water channel II 22；The water channel I
Coolant flow direction is opposite in coolant flow direction and water channel II 22 in 21.Cooling in the water channel I 21, water channel II 22
Liquid stream move it is contrary so that the cooling effect of coldplate entirety is balanced, effectively avoid because radiate it is uneven caused by power electric
The temperature of pond different zones is different, effectively extends the service life of battery.
Referring to attached drawing 2.Water channel I 21, the water channel II 22 of the continuous S-shaped are made of the hollow out 209 of the tank plate, in institute
State the water flow passage for there are several to be parallel to each other in tank plate 20 to more than ten items.
Further, the water channel I 21 is equal with the width of water channel II 22；2 parallel water channels I that the hollow out 209 is constituted
23 cross sectional shape size of partition between 21 and water channel II 22 is identical, described to separate 23 perpendicular to 10 plane of bottom plate, the partition
23 be arc transition at S turn, so that water flow is more smooth, so that cooling effect is more preferable.
The frame of the tank plate 20 is fixedly connected with the bottom plate 10, cover board 30.
Further, be fixedly connected and seal with the bottom plate 10 below the tank plate 20, the tank plate 20 it is upper
Face is fixedly connected and seals with the cover board 30.The tank plate 20 can be consolidated with the bottom plate 10, cover board 30 using fastener
Fixed connection can also be connected using welding manner.
Specifically, the frame of the bottom plate 10, tank plate 20,30 surrounding of cover board is equipped with several leading to for fastener fastening
Hole, fastener sequentially pass through through-hole and are fastened, and fastener can use screw or rivet.When using fastener connection, institute
It states and is provided with sealing element between tank plate 20 and the bottom plate 10, cover board 30, prevent the coolant liquid in water channel circulation from leaking to dynamic
In power lithium battery box.The sealing element can be gasket, be also possible to sealing ring 200, described when using sealing ring 200
Sealing ring 200 is mounted in seal groove.
The bottom plate 10, tank plate 20, cover board 30 should select the good material of heating conduction, such as aluminum alloy plate materials, preferably
, the aluminum alloy plate materials of the tank plate 20 with a thickness of 3-5mm, the bottom plate 10, cover board 30 aluminum alloy plate materials with a thickness of 1-
3mm.Water channel I 21 and water channel II 22 in the tank plate 20 can be machined molding.Aluminum alloy plate materials heating conduction is good,
Be conducive to the techniques such as be machined and rivet, weld；Aluminum alloy surface can carry out surface anodization processing, to improve aluminium alloy plate
The resistance to corrosion of material.
Referring to attached drawing 3.The water channel I 21 is corresponded on the cover board 30, the endpoint location of water channel II 22 is provided with cooling
The inlet or liquid outlet of liquid.
Specifically, a cornerwise end (upper left corner in Fig. 3) on the cover board 30, the corresponding water channel I
21 are provided with the inlet I 201 of water channel I, and the corresponding water channel II 22 is provided with the liquid outlet II 204 of water channel II；In diagonal line
The other end (lower right corner in Fig. 3), the corresponding water channel I 21 is provided with the liquid outlet I 202 of water channel I, the corresponding water channel
II 22 are provided with the inlet II 203 of water channel II.
It is fixedly installed with by welding or bonding way in above-mentioned inlet and liquid outlet position on the cover board 30
Water pipeline.Specifically, being equipped with inlet tube I 205 at inlet I 201, outlet tube II 208 is installed, out at liquid outlet II 204
Outlet tube I 206 is installed at liquid mouth I 202, inlet tube II 207 is installed at inlet II 203.
The inlet and liquid outlet of above-mentioned same water channel can be interchanged.
A kind of binary channel coldplate of electrical vehicular power lithium battery of the utility model, can according to need in application process
Setting 2 or 2 or more, and the binary channel coldplate is applied in combination by water pipeline connection.Due to using an access
Inlet and the liquid outlet of another access be arranged in pairs mode, can when so that multiple binary channel coldplates being used in combination
Shorten connection distance, avoids water pipeline from intersecting, manufacture craft is simple, and manufacturing cost is effectively reduced.In a kind of preferred embodiment,
Inlet tube and outlet tube can be interchanged, and are conducive to improve versatility and reduce cost.Specifically, when two pieces of coldplates are spelled with left and right
When connecing combination, coolant liquid enters water channel after water channel recycles by the right side of first piece of coldplate by water inlet pipe on the left of first piece of coldplate
The outflow of side outlet pipe, connects using external hose short distance, enters second piece of cooling by water inlet pipe on the left of second piece of coldplate
The water channel of plate recycles, therefore reduces the external connection distance between two pieces of coldplates.
The utility model provides power by the water pump of electric vehicle, firstly, coolant liquid passes through the inlet I 201, inlet
In the II 203 entrance water channels I 21, water channel II 22, coolant liquid flows through the water channel I 21, water channel II 22；Later, coolant liquid passes through
The liquid outlet I 202, liquid outlet II 204 are crossed respectively by the outlet tube I 206, outlet tube II 208, are radiated and are filled into vehicle
Set heat dissipation；It is again introduced into the inlet of coldplate under the action of water pump, repeats the above process the circulation for realizing coolant liquid, reaches
Heat dissipation reduces the purpose of battery temperature.
The binary channel coldplate of the utility model electrical vehicular power lithium battery, design is reasonable, manufacturing process is simple, cost
Low, coolant liquid is recycled by binary channel water channel, and the coolant flow direction in 2 water channels is on the contrary, guarantee entire coldplate covering
Temperature equalization in area；The setting for optimizing inlet, liquid outlet, in the case where muti-piece coldplate combines installation situation, muti-piece is cooling
Plate water channel head and the tail are connected with the shortest distance, avoid cross pipe-line, cooling effect is more preferably.
It should be noted that above-described embodiment is exemplary rather than the limitation present invention, those skilled in the art will be designed very
Scope of the claims of more alternate embodiments without departing from this patent.
Claims (9)
1. a kind of binary channel coldplate of electrical vehicular power lithium battery, including bottom plate, tank plate, cover board, bottom plate, tank plate, lid
Plate is from top to bottom fixedly connected sequentially, it is characterized in that:
The tank plate is provided with II two cooling channels of water channel I and water channel；
The water channel I, water channel II are parallel to each other and are continuous S-shaped；Two in rectangle coldplate are diagonal, and one jiao is provided with water channel
I, 1 endpoint of water channel II, another angle are provided with another 1 endpoint of water channel I, water channel II；
Coolant flow direction is opposite in coolant flow direction and water channel II in the water channel I.
2. the binary channel coldplate of electrical vehicular power lithium battery according to claim 1, it is characterized in that: the continuous S-shaped
Water channel I, water channel II are made of the hollow out of tank plate.
3. the binary channel coldplate of electrical vehicular power lithium battery according to claim 2, it is characterized in that: the water channel I and water
The width in road II is equal.
4. the binary channel coldplate of -3 any electrical vehicular power lithium batteries according to claim 1, it is characterized in that: the sink
The frame of plate is fixedly connected with the bottom plate, cover board；
It is fixedly connected and seals with the bottom plate below the tank plate, the upper surface of described tank plate and the fixed company of the cover board
It connects and seals.
5. the binary channel coldplate of electrical vehicular power lithium battery according to claim 4, it is characterized in that: corresponding on the cover board
The water channel I, water channel II endpoint location be provided with the inlet or liquid outlet of coolant liquid.
6. the binary channel coldplate of electrical vehicular power lithium battery according to claim 5, it is characterized in that: on rectangle cover board
A cornerwise end, the corresponding water channel I are provided with the inlet I of water channel I, and the corresponding water channel II is provided with water channel II
Liquid outlet II；In cornerwise the other end, the corresponding water channel I is provided with the liquid outlet I of water channel I, the corresponding water channel
II is provided with the inlet II of water channel II.
7. the binary channel coldplate of electrical vehicular power lithium battery according to claim 6, it is characterized in that: the bottom plate, sink
Plate, cover board material be aluminium alloy.
8. the binary channel coldplate of electrical vehicular power lithium battery according to claim 7, it is characterized in that: the aluminium of the tank plate
Sheet alloy is with a thickness of 3-5mm；The bottom plate, cover board aluminum alloy plate materials with a thickness of 1-3mm.
9. the binary channel coldplate of electrical vehicular power lithium battery according to claim 8, it is characterized in that: 2 or 2 or more institutes
Binary channel coldplate is stated to be applied in combination by water pipeline connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822186454.9U CN209344279U (en) | 2018-12-25 | 2018-12-25 | A kind of binary channel coldplate of electrical vehicular power lithium battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822186454.9U CN209344279U (en) | 2018-12-25 | 2018-12-25 | A kind of binary channel coldplate of electrical vehicular power lithium battery |
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| Publication Number | Publication Date |
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| CN209344279U true CN209344279U (en) | 2019-09-03 |
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| CN201822186454.9U Active CN209344279U (en) | 2018-12-25 | 2018-12-25 | A kind of binary channel coldplate of electrical vehicular power lithium battery |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113601117A (en) * | 2021-08-11 | 2021-11-05 | 上海睿昇半导体科技有限公司 | Water channel joint of stainless steel cooling cover plate and manufacturing method thereof |
-
2018
- 2018-12-25 CN CN201822186454.9U patent/CN209344279U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113601117A (en) * | 2021-08-11 | 2021-11-05 | 上海睿昇半导体科技有限公司 | Water channel joint of stainless steel cooling cover plate and manufacturing method thereof |
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