CN208460928U - A kind of power battery pack liquid cooling system - Google Patents
A kind of power battery pack liquid cooling system Download PDFInfo
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- CN208460928U CN208460928U CN201821321857.3U CN201821321857U CN208460928U CN 208460928 U CN208460928 U CN 208460928U CN 201821321857 U CN201821321857 U CN 201821321857U CN 208460928 U CN208460928 U CN 208460928U
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- liquid cooling
- cooling plate
- liquid
- battery pack
- power 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
The utility model provides a kind of power battery pack liquid cooling system applied to power battery technology field, liquid cooling plate (1) upper surface of the power battery pack liquid cooling system is planar structure, the internal runner one end of liquid cooling plate (1) is connected to inlet (2), the runner other end is connected to liquid outlet (3), inlet (2) is connected to inlet tube (4) one end, liquid outlet (3) is connected to outlet tube (5) one end, thermal conductive silicon rubber mat is arranged in liquid cooling plate (1) upper surface, battery modules are arranged on thermal conductive silicon rubber mat, feed liquor pipe fitting (6) are arranged in inlet tube (4) other end, liquid outlet joint (7) are arranged in outlet tube (5) other end, power battery pack liquid cooling system described in the utility model, structure is simple, the heat exchange area being capable of increasing between the battery modules of battery pack and liquid cooling plate, it improves cooled Heat exchange efficiency in journey improves power battery pack overall performance to effectively solve heat dissipation problem of the battery pack in charge and discharge process comprehensively.
Description
Technical field
The utility model belongs to power battery technology field, is to be related to a kind of power battery pack liquid cooling system more specifically
System.
Background technique
Currently, liquid cooling plate is generally by aluminum profile or the metal tube of punching press (or metal plate) by welding fabrication, it is rectangular
The design of aluminum hull liquid cooling generallys use bottom coohng design, mainly there is bearing type and two kinds of non-bearing formula.1, bearing type liquid cooling plate with
It based on Al squeezing material, is welded by agitating friction and connects profile, runner design is simple, and manufacturing process is complicated, and processing efficiency is not high
(agitating friction weldering low efficiency), and product is relatively heavy.The wall thickness of general aluminum profile is not less than 2mm, therefore, this welding manner
Molding liquid cooling plate itself has enough support forces, can be used as structural member use, but the thickness of liquid cooling plate is (on the left side 10mm
It is right) and weight it is all bigger；2, for non-bearing formula liquid cooling plate mainly in a manner of the soldering of aluminium extrusion harmonica-shaped tube, product passes through bottom branch
Support structure is actively bonded with mould group and exchanges heat, and runner design is single, and water-cooled plate heat exchange area is small, and heat exchange efficiency is not high.Therefore,
Liquid cooling plate in the prior art is unable to satisfy actual demand.
Utility model content
The technical problem to be solved by the utility model is in view of the deficiencies of the prior art, it is simple to provide a kind of structure, energy
Heat dissipation problem is enough improved, the heat exchange area between the battery modules of battery pack and liquid cooling plate is increased, is improved in cooling procedure
Heat exchange efficiency to effectively solve heat dissipation problem of the battery pack in charge and discharge process, while making liquid cooling system integral thickness
It is all smaller with weight, there is greater advantage using in box house size and the demanding battery pack of energy density, thus entirely
The power battery pack liquid cooling system of face raising power battery pack overall performance.
Solve the problems, such as techniques discussed above, the technical solution that the utility model is taken are as follows:
The utility model is a kind of power battery pack liquid cooling system, and the power battery pack liquid cooling system includes liquid cooling
The liquid cooling plate upper surface of plate, aluminium alloy panels production is set as planar structure, is arranged runner inside liquid cooling plate, runner one end with into
The connection of liquid mouth, the runner other end are connected to liquid outlet, and inlet is connected to inlet tube one end, and liquid outlet and outlet tube one end connect
Logical, thermal conductive silicon rubber mat is arranged in liquid cooling plate upper surface, and battery modules are arranged on thermal conductive silicon rubber mat, and feed liquor is arranged in the inlet tube other end
Liquid outlet joint is arranged in pipe fitting, the outlet tube other end.
The liquid cooling plate includes liquid cooling plate component I and liquid cooling plate component II, the runner and liquid cooling board group of liquid cooling plate component I
The runner of part II is connected to, and the inlet tube is connected to by inlet tube branch pipe I with the inlet of liquid cooling plate component I, and inlet tube is logical
It crosses inlet tube branch pipe II to be connected to the inlet of liquid cooling plate component II, the outlet tube passes through outlet tube branch pipe I and liquid cooling plate
The liquid outlet of component I is connected to, and outlet tube is connected to by outlet tube branch pipe II with the liquid outlet of liquid cooling plate component II.
The thermal conductive silicon rubber mat is pasted by 3M glue and liquid cooling plate upper surface to be connected, and temperature is arranged on the inlet tube
Sensor, is arranged temperature sensor on outlet tube, temperature sensor and temperature sensor respectively be capable of displays temperature numerical value
Display connection.
Runner on the liquid cooling plate is set as the serpentine configuration of cyclic bending, and the feed liquor pipe fitting is fast grafting
Head, liquid outlet joint are quick connector.
The liquid in runner on the liquid cooling plate is water or coolant liquid.
The battery modules are arranged when on thermal conductive silicon rubber mat, and thermal conductive silicon rubber mat is arranged in the knot of compressive state
The decrement of structure, the thermal conductive silicon rubber mat is controlled in 30%-50%.
Runner on the liquid cooling plate is set as the structure being process using inflation mode.
Using the technical solution of the utility model, can obtain it is below the utility model has the advantages that
Power battery pack liquid cooling system described in the utility model, liquid cooling plate upper surface are planar structure, are power electric
When the battery modules assembly of Chi Bao, the gap between battery modules and liquid cooling plate is effectively reduced, and due in water-cooled plate upper surface
Paving thermal conductive silicon rubber mat, increases the heat exchange area between mould group, improves heat exchange efficiency between mould group bottom.And liquid cooling
Lead to the flow circuit of cooled liquid (including cooling water or coolant liquid) in plate, so that the heat transfer that battery modules generate is to liquid
Then cold plate leads to cooled liquid and takes away, and inlet tube and outlet tube are connected to cooling liquid feeding parts respectively, supply part
Interior setting water pump can be pumped to inlet tube, to effectively ensure that power battery works under reliable temperature.And the utility model
Liquid cooling plate, it is no longer necessary to welding fabrication is passed through by aluminum profile or the metal tube of punching press (or metal plate), so that processing work
Skill is simple, and overall performance is reliable and stable, and manufacturing cost is low.Power battery pack liquid cooling system described in the utility model, structure letter
It is single, it can be improved heat dissipation problem, increase the heat exchange area between the battery modules of battery pack and liquid cooling plate, improve cooling procedure
In heat exchange efficiency, to effectively solve heat dissipation problem of the battery pack in charge and discharge process, while making liquid cooling system whole
Thickness and weight are all smaller, have greater advantage using in box house size and the demanding battery pack of energy density, from
And power battery pack overall performance is improved comprehensively.
Detailed description of the invention
Brief description is made to content expressed by each attached drawing of this specification and the label in figure below:
Fig. 1 is the structural schematic diagram of power battery pack liquid cooling system described in the utility model；
Fig. 2 is the structural schematic diagram of the liquid cooling plate of power battery pack liquid cooling system described in the utility model；
Fig. 3 is the schematic cross-sectional view in the face A-A of the liquid cooling plate of power battery pack liquid cooling system described in Fig. 2；
Attached drawing acceptance of the bid note is respectively as follows: 1, liquid cooling plate；2, inlet；3, liquid outlet；4, inlet tube；5, outlet tube；6, feed liquor
Pipe fitting；7, liquid outlet joint；8, liquid cooling plate component I；9, liquid cooling plate component II；10, inlet tube branch pipe I；11, inlet tube branch pipe
Ⅱ；12, outlet tube branch pipe I；13, outlet tube branch pipe II；14, runner.
Specific embodiment
Below against attached drawing, by the description of the embodiment, such as related to specific embodiment of the present utility model
The shape of each component, construction, the mutual alignment between each section and connection relationship, the effect of each section and working principle etc. make into
The detailed description of one step:
As shown in Fig. 1, the utility model is a kind of power battery pack liquid cooling system, the power battery pack liquid cooling system
System includes liquid cooling plate 1, and 1 upper surface of liquid cooling plate of aluminium alloy panels production is set as planar structure, runner is arranged inside liquid cooling plate 1
14,14 one end of runner is connected to inlet 2, and 14 other end of runner is connected to liquid outlet 3, and inlet 2 and 4 one end of inlet tube connect
Logical, liquid outlet 3 is connected to 5 one end of outlet tube, and thermal conductive silicon rubber mat is arranged in 1 upper surface of liquid cooling plate, and battery modules are arranged in thermal conductive silicon
On rubber mat, feed liquor pipe fitting 6 is arranged in 4 other end of inlet tube, and liquid outlet joint 7 is arranged in 5 other end of outlet tube.Above structure, liquid
Cold plate upper surface is planar structure, when being the battery modules assembly of power battery pack, effectively reduces battery modules and liquid cooling plate
Between gap increase between mould group and due to the paving thermal conductive silicon rubber mat between water-cooled plate upper surface and mould group bottom
Heat exchange area, improve heat exchange efficiency.And the flowing for leading to cooled liquid (including cooling water or coolant liquid) in liquid cooling plate follows
Ring is taken away so that the heat transfer that battery modules generate to liquid cooling plate, then leads to cooled liquid, and inlet tube and outlet tube point
It is not connected to cooling liquid feeding parts, water pump is set in supply part, can be pumped to inlet tube, to effectively ensure power
Battery works under reliable temperature.And the liquid cooling plate of the utility model, it is no longer necessary to pass through aluminum profile or the metal tube of punching press
(or metal plate) passes through welding fabrication, so that processing technology is simple, processing method is quick, at low cost.It is described in the utility model
Power battery pack liquid cooling system, structure is simple, can be improved heat dissipation problem, increase battery pack battery modules and liquid cooling plate it
Between heat exchange area, the heat exchange efficiency in cooling procedure is improved, to effectively solve heat dissipation of the battery pack in charge and discharge process
Problem, while making liquid cooling system integral thickness and weight all smaller, using in box house size and energy density requirement
High battery pack has greater advantage, to improve power battery pack overall performance comprehensively.
The liquid cooling plate 1 includes liquid cooling plate component I 8 and liquid cooling plate component II 9, the runner and liquid cooling of liquid cooling plate component I 8
The runner of board group part II 9 is connected to, and the inlet tube 4 is connected by the inlet 2 of inlet tube branch pipe I 10 and liquid cooling plate component I 8
Logical, inlet tube 4 is connected to by inlet tube branch pipe II 11 with the inlet 2 of liquid cooling plate component II 9, and the outlet tube 5 is by going out
Liquid pipe branch pipe I 12 is connected to the liquid outlet 3 of liquid cooling plate component I 8, and outlet tube 5 passes through outlet tube branch pipe II 13 and liquid cooling plate component
II 9 liquid outlet 3 is connected to.Above structure can according to need liquid cooling plate carrying out assembled group according to power battery size
It closes.When two pieces of liquid cooling plate assembling combinations, inlet tube is respectively at the inlet connection of two liquid cooling plates, and outlet tube is respectively at two
The liquid outlet of liquid cooling plate is connected to, and is bribed to form circulation, it is ensured that cooling liquid reliable and stable circulation in the runner of liquid cooling plate
Flowing realizes heat exchange, reduces battery temperature.
The thermal conductive silicon rubber mat is pasted by 3M glue and 1 upper surface of liquid cooling plate to be connected, and temperature is arranged on the inlet tube 4
Spend sensor, temperature sensor be set on outlet tube 5, temperature sensor and temperature sensor respectively with being capable of displays temperature numerical value
Display connection.Above structure, the 3M glue (one-side band 3M gum) are pasted for thermal conductive silicon rubber mat and water-cooled plate, are being pacified
Before packed battery mould group, the paving of 3M glue is then installed into battery modules in water-cooled plate upper surface again in advance, in this way, entire installation behaviour
It is simple to make process flow, reliable performance.And temperature sensor is respectively set on inlet tube and outlet tube, and temperature sensor
Numerical value is shown over the display, convenient for the temperature information of the cooling liquid entry and exit of real-time monitoring liquid cooling system.
Runner on the liquid cooling plate 1 is set as the serpentine configuration of cyclic bending, and the feed liquor pipe fitting 6 is fast inserts
Connector, liquid outlet joint 7 are quick connector.Above structure forms runner, runner design form by inflation convex closure in water-cooled plate
Multiplicity both can be snakelike shape structure, can also be emulated according to CFD and actual demand carries out runner design.Runner design principle is
It can be evenly distributed on liquid cooling plate, effectively carry out heat exchange convenient for hot cold plate and battery modules.
The liquid in runner on the liquid cooling plate 1 is water or coolant liquid.Above structure can select to cool down as needed
Water or coolant liquid meet system work requirements as heat exchange medium.
The battery modules are arranged when on thermal conductive silicon rubber mat, and thermal conductive silicon rubber mat is arranged in the knot of compressive state
The decrement of structure, the thermal conductive silicon rubber mat is controlled in 30%-50%.
Runner on the liquid cooling plate 1 is set as the structure being process using inflation mode.
The power battery pack liquid cooling system of the utility model can also be pumped by vehicle high and cold or under needing heating condition
Heating link be converted to liquid hot systems so that runner in circulation be the liquid with heat, this makes it possible to battery modules into
Row heating, so that battery pack can be adapted for high temperature, high and cold different external environment, effectively improves the applicable model of power battery
It encloses.
Liquid cooling plate described in the utility model mainly uses single-side blowing-up to design, and upper surface is designed as plane, and lower surface is blown
Swollen convex closure forms runner, and paving thermal conductive silicon rubber mat, increases heat-conducting area between water-cooled plate and mould group bottom, can promote liquid cooling system
The heat exchange efficiency of system；The runner of above-mentioned liquid cooling system can be runner all the way, is also possible to multichannel runner and deposits；Outside runner interface
Shape can be kidney-shaped shape, circle or other shapes；Thickness, inflation convex closure height, convex closure outer dimension of water-cooled plate etc. can roots
It is modified according to different designs, so as to meet different battery requirements.
Power battery pack liquid cooling system described in the utility model, liquid cooling plate upper surface are planar structure, are power electric
When the battery modules assembly of Chi Bao, the gap between battery modules and liquid cooling plate is effectively reduced, and due in water-cooled plate upper surface
Paving thermal conductive silicon rubber mat, increases the heat exchange area between mould group, improves heat exchange efficiency between mould group bottom.And liquid cooling
Lead to the flow circuit of cooled liquid (including cooling water or coolant liquid) in plate, so that the heat transfer that battery modules generate is to liquid
Then cold plate leads to cooled liquid and takes away, and inlet tube and outlet tube are connected to cooling liquid feeding parts respectively, supply part
Interior setting water pump can be pumped to inlet tube, to effectively ensure that power battery works under reliable temperature.And the utility model
Liquid cooling plate, it is no longer necessary to welding fabrication is passed through by aluminum profile or the metal tube of punching press (or metal plate), so that processing work
Skill is simple, and overall performance is reliable and stable, and manufacturing cost is low.Power battery pack liquid cooling system described in the utility model, structure letter
It is single, it can be improved heat dissipation problem, increase the heat exchange area between the battery modules of battery pack and liquid cooling plate, improve cooling procedure
In heat exchange efficiency, to effectively solve heat dissipation problem of the battery pack in charge and discharge process, while making liquid cooling system whole
Thickness and weight are all smaller, have greater advantage using in box house size and the demanding battery pack of energy density, from
And power battery pack overall performance is improved comprehensively.
Illustrative description is carried out to the utility model above in conjunction with attached drawing, it is clear that the utility model concrete implementation is simultaneously
It is not limited by aforesaid way, if the method concept of the utility model and the various improvement of technical solution progress are used, or
It is not improved that the conception and technical scheme of the utility model are directly applied into other occasions, in the protection of the utility model
In range.
Claims (7)
1. a kind of power battery pack liquid cooling system, it is characterised in that: the power battery pack liquid cooling system includes liquid cooling plate
(1), liquid cooling plate (1) upper surface of aluminium alloy panels production is set as planar structure, and runner, runner is arranged inside liquid cooling plate (1)
One end is connected to inlet (2), and the runner other end is connected to liquid outlet (3), and inlet (2) is connected to inlet tube (4) one end, out
Liquid mouth (3) is connected to outlet tube (5) one end, and thermal conductive silicon rubber mat is arranged in liquid cooling plate (1) upper surface, and battery modules are arranged in thermal conductive silicon
On rubber mat, feed liquor pipe fitting (6) are arranged in inlet tube (4) other end, and liquid outlet joint (7) are arranged in outlet tube (5) other end.
2. power battery pack liquid cooling system according to claim 1, it is characterised in that: the liquid cooling plate (1) includes liquid
Cold drawing assembly I (8) and liquid cooling plate component II (9), the runner of liquid cooling plate component I (8) and the runner of liquid cooling plate component II (9) connect
Logical, the inlet tube (4) is connected to by inlet tube branch pipe I (10) with the inlet (2) of liquid cooling plate component I (8), inlet tube
(4) it is connected to by inlet tube branch pipe II (11) with the inlet (2) of liquid cooling plate component II (9), the outlet tube (5) is by going out
Liquid pipe branch pipe I (12) is connected to the liquid outlet (3) of liquid cooling plate component I (8), outlet tube (5) by outlet tube branch pipe II (13) with
The liquid outlet (3) of liquid cooling plate component II (9) is connected to.
3. power battery pack liquid cooling system according to claim 1 or 2, it is characterised in that: the thermal conductive silicon rubber mat is logical
It crosses 3M glue and liquid cooling plate (1) upper surface is pasted and connected, temperature sensor is set on the inlet tube (4), outlet tube is set on (5)
Temperature sensor is set, temperature sensor and temperature sensor are connected to the display for capableing of displays temperature numerical value respectively.
4. power battery pack liquid cooling system according to claim 1 or 2, it is characterised in that: on the liquid cooling plate (1)
Runner is set as the serpentine configuration of cyclic bending, and the feed liquor pipe fitting (6) is quick connector, and liquid outlet joint (7) is fast
Connection-peg.
5. power battery pack liquid cooling system according to claim 1 or 2, it is characterised in that: on the liquid cooling plate (1)
Liquid in runner is water or coolant liquid.
6. power battery pack liquid cooling system according to claim 1 or 2, it is characterised in that: the battery modules setting
When on thermal conductive silicon rubber mat, thermal conductive silicon rubber mat is arranged in the structure of compressive state, the decrement of the thermal conductive silicon rubber mat
Control is in 30%-50%.
7. power battery pack liquid cooling system according to claim 1, it is characterised in that: the stream on the liquid cooling plate (1)
Road is set as the structure being process using inflation mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821321857.3U CN208460928U (en) | 2018-08-16 | 2018-08-16 | A kind of power battery pack liquid cooling system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821321857.3U CN208460928U (en) | 2018-08-16 | 2018-08-16 | A kind of power battery pack liquid cooling system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208460928U true CN208460928U (en) | 2019-02-01 |
Family
ID=65178730
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821321857.3U Active CN208460928U (en) | 2018-08-16 | 2018-08-16 | A kind of power battery pack liquid cooling system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208460928U (en) |
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2018
- 2018-08-16 CN CN201821321857.3U patent/CN208460928U/en active Active
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