CN206834266U - A kind of power lithium battery module - Google Patents
A kind of power lithium battery module Download PDFInfo
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- CN206834266U CN206834266U CN201720462979.3U CN201720462979U CN206834266U CN 206834266 U CN206834266 U CN 206834266U CN 201720462979 U CN201720462979 U CN 201720462979U CN 206834266 U CN206834266 U CN 206834266U
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- positive
- battery box
- conducting strip
- negative
- positive pole
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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
Abstract
The utility model discloses a kind of power lithium battery module, stop conductive plate including positive battery box, negative battery box, multiple cylindrical electrical cores in parallel, heat conduction protecting tube, positive pole welding conducting strip, negative pole welding conducting strip and isolation, wherein described cylindrical electrical core is set in the heat conduction protecting tube, and the cylindrical electrical core and the heat conduction protecting tube are each attached between the positive battery box and the negative battery box；The positive battery box leaves positive pole perforate at the positive pole of the cylindrical electrical core, and positive pole tapping is provided with positive pole welding conducting strip；The negative battery box leaves negative pole perforate at the negative pole of the cylindrical electrical core, and negative pole tapping is provided with negative pole welding conducting strip；The positive battery box is provided with multiple slot structures, and the isolation stops that conductive plate is arranged on the negative pole welding conducting strip fitting assembling.The utility model can solve the problems, such as insufficient to thermal runaway extension reply among prior art.
Description
Technical field
Technical field of lithium batteries is the utility model is related to, particularly relates to a kind of power lithium battery module.
Background technology
As ternary lithium cell is using more and more extensive, it is corresponding the problem of also constantly expose, there is internal short-circuit, outer in lithium battery
Portion's shock etc. causes thermal runaway inevitable, therefore how to prevent thermal runaway from extending and spreading particularly significant.When heat occurs in battery core
Out of control or internal short-circuit, internal pressure raise, battery core explosion, and the electrolyte in battery core sprays and caused high temperature.This partial heat accumulates
Gathering in the narrow and small confined space inside battery module, can cause the thermal runaway extension reaction between battery core and adjacent block around.
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 power lithium battery module, and it can solve to expand thermal runaway among prior art
The problem of exhibition reply is insufficient.
In order to solve the above technical problems, the technical solution of the utility model is：
A kind of power lithium battery module of high security, including：Positive battery box, negative battery box, multiple circles in parallel
Post battery core, heat conduction protecting tube, positive pole welding conducting strip, negative pole welding conducting strip and isolation stop conductive plate, wherein the cylinder
Battery core is set in the heat conduction protecting tube, and the cylindrical electrical core and the heat conduction protecting tube are each attached to the positive battery box
Between the negative battery box；The positive battery box leaves positive pole perforate at the positive pole of the cylindrical electrical core, in positive pole
Tapping is provided with positive pole welding conducting strip；The negative battery box leaves negative pole perforate at the negative pole of the cylindrical electrical core,
Negative pole tapping is provided with negative pole welding conducting strip；The positive battery box is provided with multiple slot structures, and the isolation stops
Conductive plate is arranged on the negative pole welding conducting strip fitting assembling.
Preferably, in addition to a positive conductive plate, its fitting are arranged on the lower section of the positive pole welding conducting strip.
Preferably, the positive pole welding conducting strip is designed with the lug that fuses, institute in the positive pole opening position of every battery core in parallel
The positive pole for stating cylindrical electrical core is fixedly connected with the fusing lug.
Preferably, the positive pole of the cylindrical electrical core is achieved a fixed connection with the fusing lug by way of welding.
Preferably, the quantity and size of the heat conduction protecting tube and the cylindrical electrical core match.
Preferably, the isolation stops that conductive plate is bursting diaphragm.
Using above-mentioned technical proposal, the utility model comprises at least following beneficial effect：
Power lithium battery module described in the utility model, cylindrical electrical core are fixed in the module with heat conduction protecting tube,
Every cylindrical electrical core all is isolated to form independent space by positive battery box negative battery box and heat conduction protecting tube, heat conduction protection
Pipe carries out conduction absorption to caused heat in the battery core course of work；Meanwhile by every battery core wrap up isolation improve it is overall right
The protective capacities of thermal runaway state radial direction, the thermal shock to battery core in parallel and thermal runaway is effectively prevented to extend.Intermodule is pacified
Stop that conductive plate forms heat dissipation channel with the positive battery box with slot structure equipped with isolation, module negative is led due to isolation stop
The stop of electroplax, cause module negative closed, form axial isolation.When thermal runaway occurs, heat can not slave module it is negative
Extreme direction is discharged, and heat can only pass through formed heat dissipation channel discharge along the positive extreme direction of module, is improved overall to thermal runaway
The protective capacities of state axial direction.In addition, the fusing lug of positive pole welding conducting strip welds with battery core positive pole, there is excessively stream in battery core
When, fusing lug moment fusing, disconnecting battery core connection can play a part of protecting battery core.
Brief description of the drawings
Fig. 1 is the structural representation of power lithium battery module described in the utility model；
Fig. 2 is the decomposing schematic representation of power lithium battery module described in the utility model；
Fig. 3 a are the structural representation of positive battery box described in the utility model；
Fig. 3 b are the structural representation of positive battery box described in the utility model；
Fig. 3 c are Fig. 3 b partial enlarged drawing；
Fig. 4 is formed by positive battery box described in the utility model, heat conduction protecting tube, negative battery box to cylindrical electrical core
Separate space schematic diagram；
Fig. 5 a are the structural representation that positive pole described in the utility model welds conducting strip；
Fig. 5 b are Fig. 5 a partial enlarged drawing；
Fig. 5 c are Fig. 5 b dimensional drawing.
Wherein：1- positive conductive plates, 2- positive poles welding conducting strip, 3- positive batteries box, 4- cylindrical electrical cores, 5- heat conduction protection
Pipe, 6- negative batteries box, 7- negative poles welding conducting strip, 8- isolation stop conductive plate, 9- slot structures, 10- fusing lugs.
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 5, to meet a kind of power lithium battery module of the present utility model, including：Positive battery box 3,
Negative battery box 6, multiple cylindrical electrical cores 4 in parallel, heat conduction protecting tube 5, positive pole welding conducting strip 2, negative pole welding conducting strip 7 and
Isolation stops conductive plate 8, wherein the cylindrical electrical core 4 is set in the heat conduction protecting tube 5, the cylindrical electrical core 4 and described
Heat conduction protecting tube 5 is each attached between the positive battery box 3 and the negative battery box 6；The positive battery box 3 is described
Positive pole perforate is left at the positive pole of cylindrical electrical core 4, positive pole tapping is provided with positive pole welding conducting strip 2；The negative battery
Box 6 leaves negative pole perforate at the negative pole of the cylindrical electrical core 4, and negative pole tapping is provided with negative pole welding conducting strip 7；It is described
Positive battery box 3 is provided with multiple slot structures 9, and the isolation stops that conductive plate 8 is arranged on the negative pole welding conducting strip 7 and is bonded
Assembling.
Preferably, in addition to a positive conductive plate 1, its fitting are arranged on the lower section of the positive pole welding conducting strip 2.
Preferably, the positive pole welding conducting strip 2 is designed with the lug 10 that fuses in the positive pole opening position of every battery core in parallel,
The positive pole of the cylindrical electrical core 4 is fixedly connected with the fusing lug 10.
Preferably, the positive pole of the cylindrical electrical core 4 is achieved a fixed connection with the fusing lug 10 by way of welding.
Preferably, the quantity and size of the heat conduction protecting tube 5 and the cylindrical electrical core 4 match.
Preferably, the isolation stops that conductive plate 8 is bursting diaphragm.
Preferably, cylindrical electrical core 4 is enclosed in heat conduction protecting tube 5 mounted in the positive battery box 3 and negative electricity of design limited location
In pond box 6, engaged by snap fit.Positive pole welds conducting strip 2 and welded with the positive pole of cylindrical electrical core 4, negative pole welding conducting strip 7 and cylinder electricity
The negative pole of core 4 welds, and positive conductive plate 1 is bonded positive pole welding conducting strip 2 and assembled, and isolation stops that conductive plate 8 is bonded negative pole welding and led
Electric piece 7 assembles.
Operation principle of the present utility model is：Wherein cylindrical electrical core 4 is fixed on positive battery box 3 and negative battery box 6
In, every cylindrical electrical core 4 is all enclosed in heat conduction protecting tube 5, and every cylindrical electrical core 4 is all by positive battery box 3, negative battery box 6
And the isolation of heat conduction protecting tube 5 forms independent space, heat conduction protecting tube 5 passes to caused heat in the battery core course of work
Lead absorption；Meanwhile every battery core parcel isolation is improved into the overall protective capacities to thermal runaway state radial direction, it is effective to prevent
Thermal shock and thermal runaway to battery core in parallel are extended.Positive battery box 3 is designed with slot structure 9 (structure is as shown in Figure 3), module
Have to isolate between module and stop conductive plate 8, the slot structure 9 of positive battery box 3 stops that conductive plate 8 forms radiating and led to isolating
Road, and isolate stop conductive plate 8 to front and rear module formed stop isolation, cause module end negative pole closed, formed axially every
From, when thermal runaway occurs, heat can not slave module the discharge of negative pole direction, heat can only pass through positive pole along the positive extreme direction of module
Battery case 3 is designed with the heat dissipation channel discharge that slot structure 9 is formed, and improves the overall protection energy to thermal runaway state axial direction
Power.When certain battery core generation thermal runaway self-destruction occurs, the heat discharged is only exported by heat dissipation channel, then by module
Hollow part structure discharge module outside, the effective radial and axial impact for preventing thermal runaway battery core heat, effective isolation
With remaining battery core of protection, effectively prevent thermal runaway from further extending.
The fusing lug 10 (its structure is as shown in Figure 5) of positive pole welding conducting strip 2 welds with battery core positive pole, the fusing lug
10 allow a range of electric current (such as 5~30A) by the way that without generating heat, when excessively stream occurs in battery core, the fusing moment of lug 10 melts
Disconnected, disconnecting battery core connection can play a part of protecting battery core.
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 (6)
- A kind of 1. power lithium battery module, it is characterised in that including：Positive battery box, negative battery box, multiple cylinders in parallel Battery core, heat conduction protecting tube, positive pole welding conducting strip, negative pole welding conducting strip and isolation stop conductive plate, wherein the cylinder is electric Core retainer plate is located in the heat conduction protecting tube, the cylindrical electrical core and the heat conduction protecting tube be each attached to the positive battery box and Between the negative battery box；The positive battery box leaves positive pole perforate at the positive pole of the cylindrical electrical core, is opened in positive pole Positive pole welding conducting strip is provided with hole；The negative battery box leaves negative pole perforate at the negative pole of the cylindrical electrical core, Negative pole tapping is provided with negative pole welding conducting strip；The positive battery box is provided with multiple slot structures, and the isolation stop is led Electroplax is arranged on the negative pole welding conducting strip fitting assembling.
- 2. power lithium battery module as claimed in claim 1, it is characterised in that：Also include a positive conductive plate, its fitting is set Put in the lower section of positive pole welding conducting strip.
- 3. power lithium battery module as claimed in claim 1, it is characterised in that：The positive pole welds conducting strip in every parallel connection The positive pole opening position of battery core is designed with the lug that fuses, and the positive pole of the cylindrical electrical core is fixedly connected with the fusing lug.
- 4. power lithium battery module as claimed in claim 3, it is characterised in that：The positive pole of the cylindrical electrical core and the fusing Lug is achieved a fixed connection by way of welding.
- 5. power lithium battery module as claimed in claim 1, it is characterised in that：The heat conduction protecting tube and the cylindrical electrical core Quantity and size match.
- 6. power lithium battery module as claimed in claim 1, it is characterised in that：The isolation stops that conductive plate is bursting diaphragm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720462979.3U CN206834266U (en) | 2017-04-28 | 2017-04-28 | A kind of power lithium battery module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720462979.3U CN206834266U (en) | 2017-04-28 | 2017-04-28 | A kind of power lithium battery module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206834266U true CN206834266U (en) | 2018-01-02 |
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ID=60769844
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720462979.3U Active CN206834266U (en) | 2017-04-28 | 2017-04-28 | A kind of power lithium battery module |
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| CN (1) | CN206834266U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108075083A (en) * | 2018-01-12 | 2018-05-25 | 无锡巨日电子科技有限公司 | The power battery assembly that can be heated and radiate |
| CN111403653A (en) * | 2020-04-20 | 2020-07-10 | 上海比耐信息科技有限公司 | High-capacity battery and manufacturing method thereof |
| WO2021184521A1 (en) * | 2020-03-20 | 2021-09-23 | 上海比耐信息科技有限公司 | High-capacity battery and manufacturing method therefor |
-
2017
- 2017-04-28 CN CN201720462979.3U patent/CN206834266U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108075083A (en) * | 2018-01-12 | 2018-05-25 | 无锡巨日电子科技有限公司 | The power battery assembly that can be heated and radiate |
| WO2021184521A1 (en) * | 2020-03-20 | 2021-09-23 | 上海比耐信息科技有限公司 | High-capacity battery and manufacturing method therefor |
| CN111403653A (en) * | 2020-04-20 | 2020-07-10 | 上海比耐信息科技有限公司 | High-capacity battery and manufacturing method thereof |
| CN111403653B (en) * | 2020-04-20 | 2023-08-22 | 苏州圆安能源科技有限公司 | High-capacity battery and manufacturing method thereof |
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