CN206711984U - A kind of dynamic lithium battery group of high security - Google Patents
A kind of dynamic lithium battery group of high security Download PDFInfo
- Publication number
- CN206711984U CN206711984U CN201720307648.2U CN201720307648U CN206711984U CN 206711984 U CN206711984 U CN 206711984U CN 201720307648 U CN201720307648 U CN 201720307648U CN 206711984 U CN206711984 U CN 206711984U
- Authority
- CN
- China
- Prior art keywords
- lithium battery
- positive
- negative
- core
- battery
- 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.)
- Active
Links
Classifications
-
- 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
Landscapes
- Secondary Cells (AREA)
- Connection Of Batteries Or Terminals (AREA)
Abstract
The utility model discloses a kind of dynamic lithium battery group of high security, including at least one power lithium battery module, the power lithium battery module includes positive battery box, negative battery box, multiple cylindrical electrical core in parallel, isolation mount and cooling tubes, the both positive and negative polarity of wherein cylindrical electrical core is respectively fixedly disposed on positive battery box and negative battery box, separated between each two cylindrical electrical core by isolation mount in independent grid space, multiple cooling tubes are accompanied with isolation mount, coolant is provided with each cooling tube.The utility model is absorbed by the closed cooling tube between battery core to caused heat in the battery core course of work；Meanwhile the closed cooling tube between battery core and the design with the explosion-proof aluminium sheet of boss improve the overall protective capacities to thermal runaway state.In addition when there is battery core thermal runaway, support can play restriction effect to the quick diffusion for producing heat, so as to play a part of protection to adjacent battery core.
Description
Technical field
Technical field of lithium batteries is the utility model is related to, particularly relates to a kind of dynamic lithium battery group of high security.
Background technology
Existing power lithium battery cell system enters by the way of more battery cores compose in parallel module, Multi-stage module series connection mostly
Row battery is in groups.Battery core in the market is mainly LiFePO4 battery core and ternary lithium cell.Electrokinetic cell installing space by
Restricted to vehicle, and ternary lithium cell energy density is high, good cycle, can more meet that electric automobile is wanted for course continuation mileage
Ask.In compact car and passenger car market, ternary lithium cell is using more and more extensive.
There is internal short-circuit, external impact etc. and causes thermal runaway inevitable in lithium battery, therefore how to prevent thermal runaway from extending
It is particularly significant with spreading.When thermal runaway or internal short-circuit, internal pressure rise occurs in battery core, positive pole safety valve is opened, the electricity in battery core
Solution matter sprays and produces more than 400 DEG C of high temperature.The narrow and small confined space that this partial heat is accumulated in inside battery module, meeting
Cause the thermal runaway extension reaction around between battery core and adjacent block.
Therefore, inventor of the present utility model needs a kind of new technology of design badly to improve its problem.
Utility model content
The utility model aims to provide a kind of dynamic lithium battery group of high security, to solve to lose heat among prior art
The problem of control extension reply is insufficient.
In order to solve the above technical problems, the technical solution of the utility model is：
A kind of dynamic lithium battery group of high security, including：At least one power lithium battery module, the dynamic lithium battery mould
Block includes positive battery box, negative battery box, multiple cylindrical electrical core in parallel, isolation mount and cooling tubes, wherein the cylinder
The both positive and negative polarity of battery core is respectively fixedly disposed on the positive battery box and the negative battery box, cylindrical electrical core described in each two
Between by the isolation mount separate in independent grid space, multiple coolings are accompanied with the isolation mount
Manage, coolant is provided with each cooling tube.
Preferably, the positive battery box leaves positive pole perforate at the positive pole of the cylindrical electrical core, in positive pole tapping
Positive pole welding nickel sheet is provided with, the positive pole of each cylindrical electrical core is realized with positive pole welding nickel sheet to be connected.
Preferably, the dynamic lithium battery module also includes an explosion-proof aluminium sheet, and it is arranged on the positive battery box, institute
State explosion-proof aluminium sheet and be provided with multiple cylindrical bosses in the side close to the positive battery box, the cylindrical boss and it is described just
Pole welding nickel sheet fitting assembling, and form heat dissipation channel between the explosion-proof aluminium sheet and the positive pole of the cylindrical electrical core.
Preferably, the negative battery box leaves negative pole perforate at the negative pole of the cylindrical electrical core, in negative pole tapping
It is provided with negative pole welding nickel sheet；The negative pole of each cylindrical electrical core is realized with negative pole welding nickel sheet and connected.
Preferably, the positive pole welding nickel sheet is provided with fuse, and the end of the fuse and the positive pole of the cylindrical electrical core lead to
The mode for crossing electric resistance welding is attached.
Preferably, the negative pole welding nickel sheet is provided with fuse, and the end of the fuse and the negative pole of the cylindrical electrical core lead to
The mode for crossing electric resistance welding is attached.
Preferably, in addition to a shell, the dynamic lithium battery module are arranged in the shell.
Preferably, the shell is aluminum shell.
Using above-mentioned technical proposal, the utility model comprises at least following beneficial effect：
The dynamic lithium battery group of high security described in the utility model, by the closed cooling tube between battery core to battery core
Caused heat is absorbed in the course of work；The raising and lowering in the temperature field of battery in use is more smooth, protects
Battery module has been demonstrate,proved to work in a metastable temperature range；Meanwhile closed cooling tube between battery core and module are just
Pole improves the protective capacities of module and system to thermal runaway state with the explosion-proof aluminium sheet of boss.When thermal runaway occurs for certain battery core
On fire from explosion, the high-temperature electrolyte of ejection can be quickly discharged into module-external by heat dissipation channel between module and explosion-proof aluminium sheet, then
By the integral heat sink system of battery bag by heat derives, the small space that amount of heat is concentrated in module is avoided.Mutually
Independent cooling water pipe, thermal runaway battery core temperature can be reduced, while avoid a large amount of coolant seepages, substantially increase battery system
The safety coefficient of system.The support of built-in sealing cooling tube will can isolate between cylindrical electrical core, when there is battery core thermal runaway, support
Restriction effect can be played to the quick diffusion for producing heat, so as to play a part of protection to adjacent battery core.Positive and negative electrode nickel sheet and
The link of fusible is used between battery core, when battery core occurs short-circuit, moment fusing can protect other battery cores of parallel connection.
Brief description of the drawings
Fig. 1 is the structural representation of the dynamic lithium battery group of high security described in the utility model；
Fig. 2 is the structural representation of power lithium battery module described in the utility model；
Fig. 3 is the combination diagram of isolation mount described in the utility model and cooling tube；
Fig. 4 is the decomposing schematic representation of power lithium battery module described in the utility model；
Fig. 5 is the structural representation of explosion-proof aluminium sheet described in the utility model；
Fig. 6 is the schematic diagram of battery core arrangement in power lithium battery module described in the utility model；
Fig. 7 is the structural representation of positive/negative nickel sheet described in the utility model.
Wherein：11- negative poles welding nickel sheet, 12- negative battery boxes, 13- cylindrical electrical cores, 14- isolation mounts, 15- cooling tubes,
16- positive battery boxes, 17- positive poles welding nickel sheet, the explosion-proof aluminium sheets of 18-, 181- cylindrical bosses, 19- fuses, 20. shells.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belong to the scope of the utility model protection.
As shown in Figures 1 to 7, to meet a kind of dynamic lithium battery group of high security of the present utility model, including：At least
One power lithium battery module, the power lithium battery module include positive battery box 16, negative battery box 12, multiple circles in parallel
Post battery core 13, isolation mount 14 and cooling tube 15, wherein the both positive and negative polarity of the cylindrical electrical core 13 be respectively fixedly disposed at it is described just
On pole battery case 16 and the negative battery box 12, separated between cylindrical electrical core 13 described in each two by the isolation mount 14
In independent grid space, multiple cooling tubes 15 are accompanied with the isolation mount 14, in each cooling tube 15
It is provided with coolant.
Preferably, the positive battery box 16 leaves positive pole perforate at the positive pole of the cylindrical electrical core 13, is opened in positive pole
Positive pole welding nickel sheet 17 is provided with hole, the positive pole of each cylindrical electrical core 13 is realized with positive pole welding nickel sheet 17 to be connected
Connect.
Preferably, the dynamic lithium battery module also includes an explosion-proof aluminium sheet 18, and it is arranged on the positive battery box 16
On, the explosion-proof aluminium sheet 18 is provided with multiple cylindrical bosses 181, the cylinder in the side close to the positive battery box 16
Boss 181 is bonded assembling with positive pole welding nickel sheet 17, and in the explosion-proof aluminium sheet 18 and the positive pole of the cylindrical electrical core 13
Between form heat dissipation channel.In the present embodiment, positive pole welding nickel sheet 17 be a collector plate in itself, by with the explosion-proof of boss
Aluminium sheet 18 is brought into close contact is delivered to next power lithium battery module electric current.
Preferably, the negative battery box 12 leaves negative pole perforate at the negative pole of the cylindrical electrical core 13, is opened in negative pole
Negative pole welding nickel sheet 11 is provided with hole；The negative pole of each cylindrical electrical core 13 is realized with negative pole welding nickel sheet 13 and connect.
Preferably, the positive pole welding nickel sheet 17 is provided with fuse 19, the end of the fuse 19 and the cylindrical electrical core 13
Positive pole be attached by way of electric resistance welding.
Preferably, the negative pole welding nickel sheet 11 is provided with fuse 19, the end of the fuse 19 and the cylindrical electrical core 13
Negative pole be attached by way of electric resistance welding.
Preferably, in addition to a shell 20, the dynamic lithium battery module are arranged in the shell 20.In the shell 20
One group of dynamic lithium battery module can be set, it can also be provided that the dynamic lithium battery module of multigroup series connection, due to how by electricity
The series connection of pond module belong to those skilled in the art conventional technical means (such as tesla's battery pack, its each Battery pack group all by
One 2/0 main line is together in series, and main line is located at cell panel center, and 2/0 main line collects the contact that output end will be connected to after electric current
Device), the present embodiment is not repeated this.
Preferably, the shell 20 is aluminum shell 20.
Preferably, the isolation mount 14 is prepared from EVA plastic materials.EVA plastic materials, refer to ethene-
Acetate ethylene copolymer, its heat decomposition temperature are 230~250 DEG C, and the material plays the role of fast molten and fire-retardant, ensures that temperature reaches
Melted rapidly at 300 DEG C, discharge the coolant inside cooling tube 15, effectively reduce the temperature of thermal runaway battery core.
Preferably, the coolant is preferably distilled water or ethylene glycol liquid.Certain the present embodiment is not carried out to this
Limitation, other obvious coolants are replaced within the protection domain of the present embodiment.
Operation principle of the present utility model is：Wherein positive/negative battery case is more cylindrical electrical cores 13 in parallel and inserted
Isolation mount 14 in battery core provides spacing.Positive/negative battery case leaves perforate in battery core both positive and negative polarity position, facilitates nickel sheet to weld
Connect and radiated with air circulation.Wherein isolation mount 14 is inserted among more battery cores 13, and single battery core is separated in independent grid
In space.The subsidiary multiple cooling tubes 15 of isolation mount 14, each closed cooling tube can accommodate 4g or so coolant.
The explosion-proof one side of aluminium sheet 18 carries a number of cylindrical boss 181, the height 3mm of cylindrical boss 181.Cylinder
Shape boss 181 is bonded assembling with positive battery box 16 and positive pole welding nickel sheet 17.Welding the flexible of nickel sheet may insure explosion-proof aluminium
Plate 18 and nickel sheet contact are good.
Have that 3mm gap is corresponding between the positive pole of cylindrical electrical core 13 and explosion-proof aluminium sheet 18, form heat dissipation channel.Battery core occurs
During thermal runaway, electrolyte rapidly sprays, and transient temperature can reach more than 400 DEG C, and the explosion-proof one side of aluminium sheet 18 can separate positive pole
Impact of the thermal-flame to adjacent block, on the other hand can be such that high-temperature flue gas is exported rapidly from heat dissipation channel, avoid big calorimetric
Amount is gathered in module internal, causes the chain reaction of battery core around, so as to form violent thermal runaway extension.
The subsidiary cooling tube 15 of isolation mount 14 can absorb heat caused by battery core in the charge and discharge process of battery, adjust
With inside modules rate temperature change, the too fast raising and lowering of inside modules temperature is avoided.The material that isolation mount 14 uses
Play the role of to melt soon and fire-retardant, ensure to melt rapidly when temperature reaches 300 DEG C, discharge the coolant inside cooling tube 15, have
Effect reduces the temperature of thermal runaway battery core.Do not connect mutually, avoided because single battery core thermal runaway causes to cool down between multiple cooling tubes
The extensive seepage of liquid.
There is fuse 19 in welding nickel sheet, the end of fuse 19 is linked with the positive pole of battery core 13 and negative pole using electric resistance welding.This is molten
Line allows a range of electric current (such as 5~30A) by the way that without generating heat, when short circuit overcurrent occurs in battery core, fuse moment melts
It is disconnected, play a part of fuse, so as to reach the purpose of the other battery cores in parallel of protection.
The foregoing description of the disclosed embodiments, professional and technical personnel in the field are enable to realize or new using this practicality
Type.A variety of modifications to these embodiments will be apparent for those skilled in the art, determine herein
The General Principle of justice can be realized in other embodiments in the case where not departing from spirit or scope of the present utility model.Cause
This, the utility model is not intended to be limited to the embodiments shown herein, and is to fit to and principles disclosed herein
The most wide scope consistent with features of novelty.
Claims (8)
- A kind of 1. dynamic lithium battery group of high security, it is characterised in that including：At least one power lithium battery module, this is dynamic Power lithium battery module includes positive battery box, negative battery box, multiple cylindrical electrical core in parallel, isolation mount and cooling tubes, its Described in the both positive and negative polarity of cylindrical electrical core be respectively fixedly disposed on the positive battery box and the negative battery box, each two institute State and separated by the isolation mount in independent grid space between cylindrical electrical core, is accompanied with the isolation mount multiple The cooling tube, coolant is provided with each cooling tube.
- 2. the dynamic lithium battery group of high security as claimed in claim 1, it is characterised in that：The positive battery box is described Positive pole perforate is left at the positive pole of cylindrical electrical core, positive pole tapping is provided with positive pole welding nickel sheet, each cylindrical electrical core Positive pole with a positive pole welding nickel sheet realize connect.
- 3. the dynamic lithium battery group of high security as claimed in claim 2, it is characterised in that：The dynamic lithium battery module is also Including an explosion-proof aluminium sheet, it is arranged on the positive battery box, and the explosion-proof aluminium sheet is close to the one of the positive battery box Side is provided with multiple cylindrical bosses, and the cylindrical boss is bonded assembling with positive pole welding nickel sheet, and in the explosion-proof aluminium Heat dissipation channel is formed between the positive pole of plate and the cylindrical electrical core.
- 4. the dynamic lithium battery group of the high security as described in claim 1-3 is any, it is characterised in that：The negative battery box Negative pole perforate is left at the negative pole of the cylindrical electrical core, negative pole tapping is provided with negative pole welding nickel sheet；Each circle The negative pole of post battery core is realized with negative pole welding nickel sheet and connected.
- 5. the dynamic lithium battery group of high security as claimed in claim 2, it is characterised in that：Set in the positive pole welding nickel sheet There is fuse, the end of the fuse and the positive pole of the cylindrical electrical core are attached by way of electric resistance welding.
- 6. the dynamic lithium battery group of high security as claimed in claim 4, it is characterised in that：Set in the negative pole welding nickel sheet There is fuse, the end of the fuse and the negative pole of the cylindrical electrical core are attached by way of electric resistance welding.
- 7. the dynamic lithium battery group of high security as claimed in claim 1, it is characterised in that：Also include a shell, it is described dynamic Power lithium battery module is arranged in the shell.
- 8. the dynamic lithium battery group of high security as claimed in claim 7, it is characterised in that：The shell is aluminum shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720307648.2U CN206711984U (en) | 2017-03-28 | 2017-03-28 | A kind of dynamic lithium battery group of high security |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720307648.2U CN206711984U (en) | 2017-03-28 | 2017-03-28 | A kind of dynamic lithium battery group of high security |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206711984U true CN206711984U (en) | 2017-12-05 |
Family
ID=60468023
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720307648.2U Active CN206711984U (en) | 2017-03-28 | 2017-03-28 | A kind of dynamic lithium battery group of high security |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206711984U (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108281588A (en) * | 2018-03-20 | 2018-07-13 | 天臣新能源研究南京有限公司 | A kind of liquid cooling module of novel belt runner supporting structure |
| CN108365155A (en) * | 2018-03-29 | 2018-08-03 | 江西尚立动力科技有限公司 | A kind of battery core multimode assembling push-in device of adapted no-welding |
| CN108461839A (en) * | 2018-03-12 | 2018-08-28 | 华霆（合肥）动力技术有限公司 | Flame-proof battery module and battery pack |
| CN109166993A (en) * | 2018-09-11 | 2019-01-08 | 华霆（合肥）动力技术有限公司 | Battery modules and power supply device |
| CN109585737A (en) * | 2018-11-30 | 2019-04-05 | 清华大学 | Li-ion batteries piles cooling system |
| CN109585958A (en) * | 2018-11-30 | 2019-04-05 | 清华大学 | Li-ion batteries piles thermal runaway processing system and method |
| EP3537500A1 (en) * | 2018-03-05 | 2019-09-11 | VARTA Microbattery GmbH | Battery pack with a plurality of battery modules |
| US11417923B2 (en) * | 2017-07-24 | 2022-08-16 | Sanyo Electric Co., Ltd. | Battery pack and manufacturing method therefor |
| CN115642291A (en) * | 2022-10-09 | 2023-01-24 | 甄健新 | Intelligent lithium battery |
-
2017
- 2017-03-28 CN CN201720307648.2U patent/CN206711984U/en active Active
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11417923B2 (en) * | 2017-07-24 | 2022-08-16 | Sanyo Electric Co., Ltd. | Battery pack and manufacturing method therefor |
| EP3537500A1 (en) * | 2018-03-05 | 2019-09-11 | VARTA Microbattery GmbH | Battery pack with a plurality of battery modules |
| CN108461839A (en) * | 2018-03-12 | 2018-08-28 | 华霆（合肥）动力技术有限公司 | Flame-proof battery module and battery pack |
| CN108461839B (en) * | 2018-03-12 | 2024-02-09 | 华霆（合肥）动力技术有限公司 | Flame-retardant battery module and battery pack |
| CN108281588A (en) * | 2018-03-20 | 2018-07-13 | 天臣新能源研究南京有限公司 | A kind of liquid cooling module of novel belt runner supporting structure |
| CN108365155A (en) * | 2018-03-29 | 2018-08-03 | 江西尚立动力科技有限公司 | A kind of battery core multimode assembling push-in device of adapted no-welding |
| CN109166993A (en) * | 2018-09-11 | 2019-01-08 | 华霆（合肥）动力技术有限公司 | Battery modules and power supply device |
| CN109585737A (en) * | 2018-11-30 | 2019-04-05 | 清华大学 | Li-ion batteries piles cooling system |
| CN109585958A (en) * | 2018-11-30 | 2019-04-05 | 清华大学 | Li-ion batteries piles thermal runaway processing system and method |
| CN115642291A (en) * | 2022-10-09 | 2023-01-24 | 甄健新 | Intelligent lithium battery |
| CN115642291B (en) * | 2022-10-09 | 2023-08-04 | 北京蓄力赛新能源科技有限公司 | Intelligent lithium battery |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206711984U (en) | A kind of dynamic lithium battery group of high security | |
| US9819001B2 (en) | Laminated lithium battery module | |
| CN206834265U (en) | A kind of dynamic lithium battery group | |
| CN106960977A (en) | A kind of multi-functional dynamic lithium battery group of high security | |
| CN113540651A (en) | Power battery module and vehicle | |
| WO2023035990A1 (en) | Single battery, battery module, and battery pack | |
| CN101635372B (en) | Lithium-ion power battery | |
| CN113675456A (en) | Power type lithium ion battery monomer, power battery pack and electric vehicle | |
| CN107408658A (en) | Battery pack | |
| CN206992203U (en) | A kind of power lithium battery module with valve pressure relief mechanism | |
| CN106058106A (en) | Battery module | |
| CN206834288U (en) | A kind of dynamic lithium battery module with battery core heat conduction isolating device | |
| CN206834266U (en) | A kind of power lithium battery module | |
| CN105280986A (en) | Onboard high-capacity dynamical type lithium ion battery cell | |
| CN205211891U (en) | Large capacity power type lithium ion holds cell | |
| CN213782117U (en) | Lithium battery heat dissipation device | |
| CN113328172A (en) | Annular lithium ion battery pack with thermal management function and control method thereof | |
| CN204315689U (en) | A kind of lithium ionic cell module suppressing thermal runaway to spread | |
| CN201421862Y (en) | Single battery and high power lithium ion power battery pack adopting same | |
| CN215988999U (en) | Power battery module and vehicle | |
| CN206992238U (en) | A kind of multi-functional dynamic lithium battery group of high security | |
| CN214797540U (en) | Annular lithium ion battery pack with thermal management function | |
| CN214706040U (en) | Battery cover plate assembly, lithium battery and lithium battery pack | |
| CN206834233U (en) | A kind of power lithium battery module with pressure release conductive mechanism | |
| CN213636216U (en) | Miniature multichannel connection structure based on single-core parallel thermal runaway protection |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |