CN208189745U - A kind of bottom liquid cooling battery module device - Google Patents
A kind of bottom liquid cooling battery module device Download PDFInfo
- Publication number
- CN208189745U CN208189745U CN201820646795.7U CN201820646795U CN208189745U CN 208189745 U CN208189745 U CN 208189745U CN 201820646795 U CN201820646795 U CN 201820646795U CN 208189745 U CN208189745 U CN 208189745U
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- China
- Prior art keywords
- assembly
- single battery
- coldplate
- silica gel
- liquid cooling
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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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- Battery Mounting, Suspending (AREA)
Abstract
The utility model discloses a kind of bottom liquid cooling battery module devices, are related to battery technology field, comprising: single battery assembly, capsid, conductive assembly, coldplate, cover board, outsourcing heat-insulated silica gel；In the single battery assembly insertion capsid, the single battery assembly is connect with the conductive assembly, the conduction assembly is placed on the coldplate, coolant liquid squeezes into the import end of the coldplate by pump, it is flowed out from the outlet ends of coldplate, the cover board is wrapped up in the outside of shown single battery assembly, capsid, the conductive assembly, the coldplate, the external envelope of battery modules with outsourcing heat-insulated silica gel.The utility model advantage is: can prevent chain explosion caused by single battery thermal runaway, farthest improve the energy density of battery modules, reduce costs simultaneously.
Description
Technical field
The utility model relates to battery technology fields, are more particularly to a kind of bottom liquid cooling battery module device.
Background technique
With the production of conventional fossil energy and the approaching peak of consumption and gradually tend to exhausted, the following environmental pollution
It becomes increasingly conspicuous, the energy system based on renewable energy is gradually forming.Present Global auto industry face the energy and
Under the huge challenge of environmental problem, develops New-energy electric vehicle, shift the strategic transformation of orthodox car industry onto, in the world
Through reaching common understanding.In terms of automobile industry energy-saving and emission-reduction trend, China's development energy conservation and new-energy automobile be automotive engineering progress with
The inevitable choice of industrial upgrading.
The enlargement of power battery makes its surface to volume ratio is opposite to reduce, and internal heat of battery is not easy to shed,
It is more likely to the problems such as internal temperature is uneven, local temperature rise is excessively high occur, to further speed up cell decay, reduces the battery longevity
Life.Conventional batteries cooling system principal organ is cooling tube, can reach certain cooling effect, but can only be in part range
It is cooling, it is also easy to produce the excessively high phenomenon of battery local temperature, leads to chain explosion caused by single battery thermal runaway.
In electric car industry, single battery is installed closely, to occupy the smallest space as far as possible.This also gives
One certain types of single battery, exports maximum energy-density in certain volume.Battery modules weight saving, that is, alleviate
The weight of vehicle, therefore obtain higher battery pack gravimetric energy density.Battery pack energy comparison is high, the cruising ability of vehicle
Better.
Utility model content
Technical problem to be solved in the utility model is uneven in internal temperature of battery, and local temperature rise is excessively high, so that single
Chain explosion caused by body battery thermal runaway.
The utility model is that solution above-mentioned technical problem, specific technical solution are as follows by the following technical programs:
A kind of bottom liquid cooling battery module device characterized by comprising single battery assembly (100), shell assembly
Body (200), conductive assembly (300), coldplate (400)；The single battery assembly (100) is inserted into capsid
(200) in, the single battery assembly (100) connect with the conductive assembly (300), the conduction assembly (300)
It is placed on the coldplate (400), coolant liquid squeezes into the import end (410) of the coldplate (400) by pump, from coldplate
Outlet ends (420) outflow.
Preferably, the single battery assembly (100) includes single battery (110), conductor (120), heat conductive silica gel
(130), one end of the conductor (120) is mounted on cathode or the bottom of the single battery (110), the conductor (120)
The other end extends to the positive top of the single battery (110), and winds the single battery with the heat conductive silica gel (130)
(110) and the outside of the conductor (120), the single battery assembly (100) is formed.
Preferably, the conductive assembly (300) includes positive conductive plate (310), welding wire (320), negative conductive plate
(350), silica gel plate (340), the positive conductive plate (310) connect at least one described monomer electricity by the welding wire (320)
The anode in pond (110) is installed the silica gel plate (340) on the positive conductive plate (310), the negative conductive plate (350)
Multiple conductors (120) are connected, the conductive assembly (300) is formed.
Preferably, the capsid (200) includes support tube (210), frame (220), backing plate (230), passes through institute
It states support tube (210) and forms the shell with Welding with the frame (220) and the backing plate (230) by a defined arrangement
Body assembly (200), the single battery assembly (100) are inserted into the support tube (210).
It preferably, further include cover board (500), outsourcing heat-insulated silica gel (600), " 0 " type circle (700), the cover board (500) exists
The single battery assembly (100), capsid (200), the conductive assembly (300), the coldplate (400)
The external envelope of outside, battery modules is wrapped up with outsourcing heat-insulated silica gel (600), and " 0 " the type circle (700) is sealed in the cover board
(500) edge.
Preferably, it is micro-channel flat that the coldplate (400) is internal, can control the flow of coolant liquid to remain each
The temperature difference of the single battery assembly (100).
Preferably, the outsourcing heat-insulated silica gel (600) selects electrically insulating silicone rubber to be molded as.
Preferably, have on the silica gel plate (340) and the positive conductive plate (310) one-to-one slit.
Preferably, the backing plate (230) is hollow structure, and backing plate (230) both sides are respectively the frame (220)
With the support tube (210).
Preferably, the support tube (210) be aluminum Thin wall cylindrical cylinder, bottom be it is closed, top be open.
The utility model has the advantage that compared with prior art
1, the utility model is in single battery cathode or bottom conductor introduction, single battery simple to install, welding procedure
Simplify, be more likely formed automation, reduces battery modules assembly cost.
2, the utility model is 360 ° of temperature differences reduced in battery around mode, prevents the formation of local hot spots, is prevented
The only too fast decaying of battery at high temperature location increases battery pack bulk life time.
3, the utility model unique guided missile formula support tube design, when single battery is defective, due to thermal runaway or any
Reason sets off an explosion, and support tube and positive conductive plate form the device for being similar to launch tube, prevents thermal runaway chain
It generates.
4, the battery modules external envelope of the utility model is all molded as by electrically insulating silicone rubber, and anti-flaming thermal-insulation can make battery
Mould group works in wider temperature range.Silica gel can not permeate, and make sealing structure.Therefore, it can waterproof, simultaneously
Silica gel also has the function of vibrationproof and buffering, and " 0 " type circle is sealed in the edge of cover board.
5, the utility model is separated single battery using support tube, each individual battery is made to have independent storage empty
Between, and each support tube be it is adjacent to each other, be equivalent to and be closely installed together single battery core, be equivalent to cooling tube
Liquid cooling mode substantially increases the specific energy of mould group.
Detailed description of the invention
Fig. 1 (a) is the front view of the bottom liquid cooling battery modules of the high-energy density of the utility model embodiment.
Fig. 1 (b) is the left view of the bottom liquid cooling battery modules of the high-energy density of the utility model embodiment.
Fig. 1 (c) is the top view of the bottom liquid cooling battery modules of the high-energy density of the utility model embodiment.
Fig. 2 (a) is the single battery assembly of the bottom liquid cooling battery modules of the high-energy density of the utility model embodiment
The outside schematic diagram of body.
Fig. 2 (b) is the single battery conductor of the bottom liquid cooling battery modules of the high-energy density of the utility model embodiment
Schematic internal view.
Fig. 3 is that the single battery of the bottom liquid cooling battery modules of the high-energy density of the utility model embodiment assembles signal
Figure.
Fig. 4 is the overall structure diagram of the bottom liquid cooling battery modules of the high-energy density of the utility model embodiment.
Specific embodiment
It elaborates below to the embodiments of the present invention, the present embodiment before being with technical solutions of the utility model
It puts and is implemented, the detailed implementation method and specific operation process are given, but the protection scope of the utility model is unlimited
In following embodiments.
Structural schematic diagram such as Fig. 1 (a), (b), (c) of bottom liquid cooling battery module device, Fig. 2 (a), (b), Fig. 3, Fig. 4 institute
Show, comprising: single battery assembly 100, capsid 200, conductive assembly 300, coldplate 400, cover board 500, outsourcing
Heat-insulated silica gel 600, " 0 " type circle 700.
Single battery assembly 100 is inserted into capsid 200, single battery assembly 100 and conductive assembly 300
Connection, conductive assembly 300 is placed on coldplate 400, and coolant liquid squeezes into the import end 410 of coldplate 400 by pump, from cold
But the outlet ends 420 of plate 400 flow out, and cover board 500 is in single battery assembly 100, capsid 200, conductive assembly
300, the external envelope of the outside of coldplate 400, battery modules is wrapped up with outsourcing heat-insulated silica gel 600, and " 0 " type circle 700 is sealed in lid
The edge of plate 500.It is micro-channel flat inside coldplate 400, the flow of coolant liquid can be controlled to maintain each single battery
The temperature difference of assembly 100.Wherein, outsourcing heat-insulated silica gel 600 selects electrically insulating silicone rubber to be molded as.
Single battery assembly 100 includes single battery 110, conductor 120, heat conductive silica gel 130, the installation of 120 one end of conductor
Cathode or bottom in single battery 110, the other end of conductor 120 extend to the positive top of single battery 110, and with thermally conductive
Silica gel 130 winds the outside of the single battery 110 and conductor 120, forms single battery assembly 100.
Conductive assembly 300 includes positive conductive plate 310, welding wire 320, negative conductive plate 350, silica gel plate 340, and anode is led
Battery plate 310 connects the anode of at least one single battery 110 by welding wire 320, installs silica gel plate on positive conductive plate 310
340, negative conductive plate 350 connects multiple conductors 120, forms conductive assembly 300.Have on silica gel plate 340 and positive conductive plate
310 one-to-one slits.
Capsid 200 includes support tube 210, frame 220, backing plate 230, is arranged by support tube 210 by as defined in one
Cloth and frame 220 and backing plate 230 Welding formation capsid 200.Wherein, support tube 210 is aluminum Thin wall cylindrical
Cylinder, bottom be it is closed, top be open.Backing plate 230 is hollow structure, and 230 both sides of backing plate are respectively frame 220 and branch
Cylinder 210 is supportted, single battery assembly 100 is inserted into support tube 210.
Specifically, the cathode or bottom, the other end of conductor 120 of one end connection single battery 110 of conductor 120 expand to
The positive top of single battery 110, then surface wrap heat conductive silica gel 130, the insulation, thermally conductive and solid for single battery 110
It is fixed.
The bottom structure of battery modules is coldplate 400, and channel is equipped in coldplate 400 for guiding coolant flow to tie up
Hold the temperature difference of each single battery 110.
Each single battery assembly 100 is inserted into the capsid that frame 220, backing plate 230 and support tube 210 form
It in 200, is then placed on coldplate 400, similar 360 degree, around mode, are taken away each single battery 110 by coolant liquid and generated
Heat, reduce battery pack in temperature difference, inhibit the formation of local hot spots, prevent the too fast decaying of battery at temperature position,
Increase battery pack bulk life time.Support tube 210 be aluminum thin-walled column column cylinder, bottom be it is closed, top be open, monomer
It is isolated between battery 110 by support tube 210 and independently, fully ensures that the safety of single battery 110.
Slit corresponding with single battery 110 is provided on silica gel plate 340, when single battery 110 is defective or other
What reason and explode, support tube 210 and positive conductive plate 310 form the device for being similar to launch tube, single battery
110 fragments sprayed pass through 340 slit of silica gel plate and reach 500 root of cover board, while negative conductive plate 350 and cover board 500
Inner surface for the release of fragment, makes fragment second short circuit not occur with conductive plate there are also certain space, and in the space
Vacuumize and pour argon gas, when single battery 110 burns, prevent to generate gas and fragment will not burn or kindling.
After explosion, the cover board 500 of battery modules deforms, while the smog for generation of exploding passes through 500 edge of cover board of battery modules
It overflows, can prevent that chain explosion caused by thermal runaway occurs due to individual monomers battery 110 in this way.
Cover board 500 is wrapped up with outsourcing heat-insulated silica gel 600, is finally assembled two outsourcing silica gel assemblies, in this way can
Battery modules are kept the temperature, are suitable for working in wider temperature range.Outsourcing heat-insulated silica gel 600 has waterproof, vibrationproof and buffering
Effect." 0 " type circle 700 is had at 500 sealing of cover board simultaneously, it is ensured that the waterproofness of battery modules.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Made any modifications, equivalent replacements, and improvements etc., should be included in the utility model within the spirit and principle of utility model
Protection scope within.
Claims (10)
1. a kind of bottom liquid cooling battery module device characterized by comprising single battery assembly (100), capsid
(200), conductive assembly (300), coldplate (400)；The single battery assembly (100) is inserted into capsid (200)
In, the single battery assembly (100) connect with the conductive assembly (300), and the conduction assembly (300) is placed on institute
It states on coldplate (400), coolant liquid squeezes into the import end (410) of the coldplate (400) by pump, from the outlet of coldplate
End (420) outflow.
2. a kind of bottom liquid cooling battery module device according to claim 1, which is characterized in that the single battery assembly
Body (100) includes single battery (110), conductor (120), heat conductive silica gel (130), and one end of the conductor (120) is mounted on institute
Cathode or the bottom of single battery (110) are stated, the other end of the conductor (120) is extending to the single battery (110) just
Pole top, and with the heat conductive silica gel (130) winding the single battery (110) and the conductor (120) outside, formation institute
State single battery assembly (100).
3. a kind of bottom liquid cooling battery module device according to claim 2, which is characterized in that the conduction assembly
It (300) include positive conductive plate (310), welding wire (320), negative conductive plate (350), silica gel plate (340), the positive conductive plate
(310) anode that at least one single battery (110) is connected by the welding wire (320), in the positive conductive plate
(310) it is installed on the silica gel plate (340), the multiple conductors (120) of negative conductive plate (350) connection, described in formation
Conductive assembly (300).
4. a kind of bottom liquid cooling battery module device according to claim 1, which is characterized in that the capsid
(200) include support tube (210), frame (220), backing plate (230), by the support tube (210) by arrangement as defined in one with
The frame (220) and the backing plate (230) are formed the capsid (200) with Welding, the single battery dress
Ligand (100) is inserted into the support tube (210).
5. a kind of bottom liquid cooling battery module device according to claim 1, which is characterized in that further include cover board (500),
Outsourcing heat-insulated silica gel (600), " 0 " type circle (700), the cover board (500) fill in the single battery assembly (100), shell
Ligand (200), the conductive assembly (300), the coldplate (400) outside, the external envelope outsourcings of battery modules every
Hot silica gel (600) package, " 0 " the type circle (700) are sealed in the edge of the cover board (500).
6. a kind of bottom liquid cooling battery module device according to claim 1, which is characterized in that the coldplate (400)
Inside is micro-channel flat, can control the flow of coolant liquid to maintain the temperature of each single battery assembly (100)
Difference.
7. a kind of bottom liquid cooling battery module device according to claim 5, which is characterized in that the outsourcing heat-insulated silica gel
(600) electrically insulating silicone rubber is selected to be molded as.
8. a kind of bottom liquid cooling battery module device according to claim 3, which is characterized in that the silica gel plate (340)
On have and the positive conductive plate (310) one-to-one slit.
9. a kind of bottom liquid cooling battery module device according to claim 4, which is characterized in that the backing plate (230) is
Hollow structure, backing plate (230) both sides are respectively the frame (220) and the support tube (210).
10. a kind of bottom liquid cooling battery module device according to claim 4, which is characterized in that the support tube (210)
For aluminum Thin wall cylindrical cylinder, bottom be it is closed, top be to be open.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820646795.7U CN208189745U (en) | 2018-05-03 | 2018-05-03 | A kind of bottom liquid cooling battery module device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820646795.7U CN208189745U (en) | 2018-05-03 | 2018-05-03 | A kind of bottom liquid cooling battery module device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208189745U true CN208189745U (en) | 2018-12-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820646795.7U Expired - Fee Related CN208189745U (en) | 2018-05-03 | 2018-05-03 | A kind of bottom liquid cooling battery module device |
Country Status (1)
| Country | Link |
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| CN (1) | CN208189745U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108736098A (en) * | 2018-05-03 | 2018-11-02 | 安徽新能科技有限公司 | A kind of bottom liquid cooling battery modules of high-energy density |
-
2018
- 2018-05-03 CN CN201820646795.7U patent/CN208189745U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108736098A (en) * | 2018-05-03 | 2018-11-02 | 安徽新能科技有限公司 | A kind of bottom liquid cooling battery modules of high-energy density |
| CN108736098B (en) * | 2018-05-03 | 2024-01-12 | 安徽新能科技有限公司 | Bottom liquid cooling battery module with high energy density |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181204 Termination date: 20210503 |