CN206834233U - A kind of power lithium battery module with pressure release conductive mechanism - Google Patents
A kind of power lithium battery module with pressure release conductive mechanism Download PDFInfo
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- CN206834233U CN206834233U CN201720463429.3U CN201720463429U CN206834233U CN 206834233 U CN206834233 U CN 206834233U CN 201720463429 U CN201720463429 U CN 201720463429U CN 206834233 U CN206834233 U CN 206834233U
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- pressure release
- conductive plate
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- positive pole
- positive
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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 discloses a kind of power lithium battery module with pressure release conductive mechanism, it is arranged at including positive conductive plate, pressure release conductive mechanism, 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 negative conductive plate, wherein positive conductive plate and pressure release conductive mechanism below positive battery box；Cylindrical electrical core is set in heat conduction protecting tube, and both cylindrical electrical core and heat conduction protecting tube are each attached between positive battery box and negative battery box；Negative conductive plate is bonded assembling with negative pole welding conducting strip；Pressure release conductive mechanism includes negative pole pressure release conductive plate and positive pole pressure release conductive plate, wherein negative pole pressure release conductive plate is provided with multiple boss structures, positive pole pressure release conductive plate is provided with perforate in opening position corresponding to cylindrical electrical core, and negative pole pressure release conductive plate and positive pole pressure release conductive plate form the middle one for carrying pressure release passage.
Description
Technical field
Technical field of lithium batteries is the utility model is related to, particularly relates to a kind of power lithium with pressure release conductive mechanism
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 with pressure release conductive mechanism, and it can solve existing
The problem of insufficient to thermal runaway extension reply among technology.
In order to solve the above technical problems, the technical solution of the utility model is：
A kind of power lithium battery module with pressure release conductive mechanism, including：Positive conductive plate, pressure release conductive mechanism, just
Pole battery case, negative battery box, multiple cylindrical electrical cores in parallel, heat conduction protecting tube, positive pole welding conducting strip, negative pole welding are conductive
Piece and negative conductive plate, wherein the positive conductive plate and the pressure release conductive mechanism are arranged under the positive battery box
Side；The cylindrical electrical core is set in the heat conduction protecting tube, and both the cylindrical electrical core and the heat conduction protecting tube are fixed
Between the positive battery box and the negative battery box；The negative conductive plate is bonded dress with negative pole welding conducting strip
Match somebody with somebody；The pressure release conductive mechanism includes negative pole pressure release conductive plate and positive pole pressure release conductive plate, wherein the negative pole pressure release conductive plate
Multiple boss structures are provided with, the positive pole pressure release conductive plate is provided with perforate in opening position corresponding to the cylindrical electrical core, described
Negative pole pressure release conductive plate and the positive pole pressure release conductive plate form the middle one for carrying pressure release passage.
Preferably, the positive battery box leaves positive pole perforate at the positive pole of the cylindrical electrical core, in positive pole tapping
It is provided with positive pole welding conducting strip.
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 conducting strip.
Preferably, the positive pole welding conducting strip is designed with the lug knot that fuses in the positive pole opening position of every battery core in parallel
Structure, the positive pole of the cylindrical electrical core are fixedly connected with the fusing extreme ear structure.
Preferably, the positive pole of the cylindrical electrical core realizes fixed company with the fusing extreme ear structure by way of welding
Connect.
Preferably, the positive pole pressure release conductive plate and the negative pole pressure release conductive plate are by way of riveting or screw locking
Connection.
Preferably, the quantity and size of the heat conduction protecting tube and the cylindrical electrical core match.
Preferably, the height of the boss structure is between 3mm-8mm.
Preferably, the height of the boss structure is 3mm.
Using above-mentioned technical proposal, the utility model comprises at least following beneficial effect：
1. the power lithium battery module described in the utility model with pressure release conductive mechanism, its pressure release conductive mechanism is by bearing
Pole pressure release conductive plate, positive pole pressure release conductive plate composition, negative pole pressure release conductive plate are designed with boss structure, and positive pole pressure release conductive plate exists
Position Design corresponding to battery core has perforate, positive pole pressure release conductive plate and the riveting of negative pole pressure release conductive plate or screw locking to form centre
One with pressure release passage.When thermal runaway occurs, heat opening in position corresponding to battery core by positive pole pressure release conductive plate
Hole, pour in pressure release conductive mechanism, then the pressure release passage formed by pressure release conductive mechanism discharges module, improves overall to heat mistake
The protective capacities of control state axial direction.
2. the power lithium battery module described in the utility model with pressure release conductive mechanism, cylindrical electrical core, which is fixed on, to be carried
In the module of heat conduction protecting tube, every cylindrical electrical core all is isolated to be formed by positive battery box negative battery box and heat conduction protecting tube
Independent space, heat conduction protecting tube carry out conduction absorption to caused heat in the battery core course of work；Meanwhile by every battery core bag
Wrap up in isolation and improve the overall protective capacities to thermal runaway state radial direction, effectively prevent the thermal shock to battery core in parallel and heat
Extension out of control.
3. the power lithium battery module described in the utility model with pressure release conductive mechanism, positive pole welding conducting strip melts
Disconnected lug is welded with battery core positive pole, and when excessively stream occurs in battery core, fusing lug moment fusing, protection can be played by disconnecting battery core connection
The effect of battery core.
Brief description of the drawings
Fig. 1 is the structural representation of the power lithium battery module described in the utility model with pressure release conductive mechanism；
Fig. 2 is the structural representation of the power lithium battery module described in the utility model with pressure release conductive mechanism；
Fig. 3 is the power lithium battery module decomposing schematic representation described in the utility model with pressure release conductive mechanism；
Fig. 4 a are the structural representation of pressure release conductive mechanism described in the utility model；
Fig. 4 b are the decomposing schematic representation of pressure release conductive mechanism described in the utility model；
Fig. 4 c are Fig. 4 b partial enlarged drawing；
Fig. 5 is positive battery box described in the utility model, heat conduction protecting tube, negative battery box are to cylindrical electrical core institute in parallel
The schematic diagram of the separate space of formation；
Fig. 6 a are the structural representation that positive pole described in the utility model welds conducting strip；
Fig. 6 b are Fig. 6 a enlarged drawing；
Fig. 6 c are Fig. 6 b dimensional drawing；
Fig. 7 is assembling schematic diagram of the pressure release conductive mechanism described in the utility model in intermodule.
Wherein：1- pressure releases conductive mechanism, 2- positive conductive plates, 3- positive poles welding conducting strip, 4- positive batteries box, 5- heat conduction
Protecting tube, 6- cylindrical electrical cores, 7- negative batteries box, 8- negative poles welding conducting strip, 9- negative conductive plates, the pressure release of 10- negative poles are conductive
Plate, 11- positive pole pressure releases conductive plate, 12- perforates, 13- boss structures, 14- 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 7, to meet a kind of dynamic lithium battery mould with pressure release conductive mechanism of the present utility model
Block, including：Positive conductive plate 2, pressure release conductive mechanism 1, positive battery box 4, negative battery box 7, multiple cylindrical electrical cores in parallel
6th, heat conduction protecting tube 5, positive pole welding conducting strip 3, negative pole welding conducting strip 8 and negative conductive plate 9, wherein the positive conductive plate
2 and the pressure release conductive mechanism 1 be arranged at the lower section of the positive battery box 4；The cylindrical electrical core 6, which is set in the heat conduction, to be prevented
In pillar 5, both the cylindrical electrical core 6 and the heat conduction protecting tube 5 are each attached to the positive battery box 4 and the negative electricity
Between pond box 7；The negative conductive plate 9 is bonded assembling with negative pole welding conducting strip 8；The pressure release conductive mechanism 1 includes
Negative pole pressure release conductive plate 10 and positive pole pressure release conductive plate 11, wherein the negative pole pressure release conductive plate 10 is provided with multiple boss structures
13, the positive pole pressure release conductive plate 11 is provided with perforate 12 in opening position corresponding to the cylindrical electrical core 6, and the negative pole pressure release is conductive
Plate 10 forms the middle one for carrying pressure release passage with the positive pole pressure release conductive plate 11.
Preferably, the positive battery box 4 leaves positive pole perforate 12 at the positive pole of the cylindrical electrical core 6, is opened in positive pole
Positive pole welding conducting strip 3 is provided with hole 12.
Preferably, the negative battery box 7 leaves negative pole perforate 12 at the negative pole of the cylindrical electrical core 6, is opened in negative pole
Negative pole welding conducting strip 8 is provided with hole 12.
Preferably, the positive pole welding conducting strip 3 is designed with the lug 14 that fuses in the positive pole opening position of every battery core in parallel
Structure, the positive pole of the cylindrical electrical core 6 are fixedly connected with the fusing structure of lug 14.
Preferably, the positive pole of the cylindrical electrical core 6 realizes fixation with the fusing structure of lug 14 by way of welding
Connection.
Preferably, the positive pole pressure release conductive plate 11 and the negative pole pressure release conductive plate 10 pass through riveting or screw locking
Mode connects.
Preferably, the quantity and size of the heat conduction protecting tube 5 and the cylindrical electrical core 6 match.
Preferably, the negative conductive plate 9 is bursting diaphragm.
Preferably, the height of the boss structure 13 is between 3mm-8mm.
Preferably, the height of the boss structure 13 is 3mm.
Preferably, cylindrical electrical core 6 is enclosed in heat conduction protecting tube 5 mounted in the positive battery box 4 and negative electricity of design limited location
In pond box 7, engaged by snap fit.Positive pole welds conducting strip 3 and welded with the positive pole of cylindrical electrical core 6, negative pole welding conducting strip 8 and cylinder electricity
The negative pole of core 6 welds, and positive conductive plate 2 is bonded positive pole welding conducting strip 3 and assembled, and negative conductive plate 9 is bonded negative pole welding conducting strip 8
Assembling.
Operation principle of the present utility model is：Pressure release conductive mechanism 1 is conductive by negative pole pressure release conductive plate 10, positive pole pressure release
Plate 11 is formed, and negative pole pressure release conductive plate 10 is designed with boss structure 13, and positive pole pressure release conductive plate 11 is set in position corresponding to battery core
In respect of perforate 12, positive pole pressure release conductive plate 11 rivets with negative pole pressure release conductive plate 10 or screw locking forms centre and led to pressure release
The one in road, when thermal runaway occurs, heat is poured by perforate 12 of the positive pole pressure release conductive plate 11 in position corresponding to battery core
In pressure release conductive mechanism 1, then the pressure release passage formed by pressure release conductive mechanism 1 discharges module, improves overall to thermal runaway shape
The protective capacities of state axial direction.
Other cylindrical electrical core 6 is fixed in positive battery box 4 and negative battery box 7, and every cylindrical electrical core 6 is all enclosed on heat conduction
In protecting tube 5, every cylindrical electrical core 6 all isolates to form independence by positive battery box 4, negative battery box 7 and heat conduction protecting tube 5
Space, heat conduction protecting tube 5 carries out conduction absorption to caused heat in the battery core course of work；Meanwhile every battery core is wrapped up
Isolation improves the overall protective capacities to thermal runaway state radial direction, effectively prevents the thermal shock to battery core in parallel and heat to lose
Control is extended.
The fusing lug 14 (its structure is as shown in Figure 6) of positive pole welding conducting strip 3 welds with battery core positive pole, the fusing lug
14 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 14 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 (9)
- A kind of 1. power lithium battery module with pressure release conductive mechanism, it is characterised in that including：Positive conductive plate, pressure release are led Motor structure, positive battery box, negative battery box, multiple cylindrical electrical cores in parallel, heat conduction protecting tube, positive pole weld conducting strip, born Conducting strip and negative conductive plate are welded in pole, wherein the positive conductive plate and the pressure release conductive mechanism are arranged at the positive pole Below battery case；The cylindrical electrical core is set in the heat conduction protecting tube, the cylindrical electrical core and the heat conduction protecting tube two Person is each attached between the positive battery box and the negative battery box；The negative conductive plate and negative pole welding are conductive Piece fitting assembling；The pressure release conductive mechanism includes negative pole pressure release conductive plate and positive pole pressure release conductive plate, wherein the negative pole is let out Pressure conductive plate is provided with multiple boss structures, and the positive pole pressure release conductive plate is provided with opening position corresponding to the cylindrical electrical core and opened Hole, the negative pole pressure release conductive plate and the positive pole pressure release conductive plate form the middle one for carrying pressure release passage.
- 2. the power lithium battery module of pressure release conductive mechanism is carried as claimed in claim 1, it is characterised in that：The positive pole electricity Pond 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.
- 3. the power lithium battery module of pressure release conductive mechanism is carried as claimed in claim 1, it is characterised in that：The negative electricity Pond 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.
- 4. the power lithium battery module of pressure release conductive mechanism is carried as claimed in claim 2, it is characterised in that：The positive pole weldering Connect conducting strip the positive pole opening position of every battery core in parallel be designed with fuse extreme ear structure, the positive pole of the cylindrical electrical core with it is described Fusing extreme ear structure is fixedly connected.
- 5. the power lithium battery module of pressure release conductive mechanism is carried as claimed in claim 4, it is characterised in that：The cylinder electricity The positive pole of core is achieved a fixed connection with the fusing extreme ear structure by way of welding.
- 6. the power lithium battery module of pressure release conductive mechanism is carried as claimed in claim 1, it is characterised in that：The positive pole is let out Pressure conductive plate is connected with the negative pole pressure release conductive plate by way of riveting or screw locking.
- 7. the power lithium battery module of pressure release conductive mechanism is carried as claimed in claim 1, it is characterised in that：The heat conduction is prevented The quantity and size of pillar and the cylindrical electrical core match.
- 8. the power lithium battery module of pressure release conductive mechanism is carried as claimed in claim 1, it is characterised in that：The boss knot The height of structure is between 3mm-8mm.
- 9. the power lithium battery module of pressure release conductive mechanism is carried as claimed in claim 1, it is characterised in that：The boss knot The height of structure is 3mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720463429.3U CN206834233U (en) | 2017-04-28 | 2017-04-28 | A kind of power lithium battery module with pressure release conductive mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720463429.3U CN206834233U (en) | 2017-04-28 | 2017-04-28 | A kind of power lithium battery module with pressure release conductive mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206834233U true CN206834233U (en) | 2018-01-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720463429.3U Active CN206834233U (en) | 2017-04-28 | 2017-04-28 | A kind of power lithium battery module with pressure release conductive mechanism |
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| Country | Link |
|---|---|
| CN (1) | CN206834233U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114221079A (en) * | 2021-12-14 | 2022-03-22 | 顺加能科技有限公司 | Be used for cylinder electricity core welded module support |
-
2017
- 2017-04-28 CN CN201720463429.3U patent/CN206834233U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114221079A (en) * | 2021-12-14 | 2022-03-22 | 顺加能科技有限公司 | Be used for cylinder electricity core welded module support |
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