CN208939022U - A kind of battery cover board and battery - Google Patents
A kind of battery cover board and battery Download PDFInfo
- Publication number
- CN208939022U CN208939022U CN201821630893.8U CN201821630893U CN208939022U CN 208939022 U CN208939022 U CN 208939022U CN 201821630893 U CN201821630893 U CN 201821630893U CN 208939022 U CN208939022 U CN 208939022U
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- Prior art keywords
- cover board
- battery
- link block
- output
- board body
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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
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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- Connection Of Batteries Or Terminals (AREA)
Abstract
The utility model relates to battery technology fields, and in particular to a kind of battery cover board and battery.Battery cover board includes cover board body, the first output end and second output terminal；First output end and second output terminal are arranged on the cover board body, and first output end is electrically connected with the cover board body and battery inner core；The second output terminal and cover board body insulation connect, and are electrically connected with the battery inner core, and one of first output end and second output terminal are the positive terminal of battery, another negative pole end for battery；First output end includes the output link block with load connection, is provided with resistance unit on the output link block；It is characterized in that, the battery inner core is electrically connected by the resistance unit with the battery cover board, the output link block and the cover board body are welded.The advantages of battery cover board of the utility model has when short circuit occurs for battery, and safety piece can fuse in time.
Description
Technical field
The utility model relates to battery technology fields, and in particular to a kind of battery cover board and battery.
Background technique
With the continuous progress of human society, the continuous improvement of human living standard, the demand to the energy is not yet
It is disconnected to increase, the demand of especially removable portable energy source equipment.Wherein, the battery as removable kinetic energy storing electrical energy has quickly
Development has huge superiority as power relative to traditional combustion engine fuel oil especially by battery applications in field of traffic.
In the prior art, battery includes positive terminal and negative pole end, has safety piece and inversion method valve, positive terminal on negative pole end
It is connected to by resistance unit with cover board body, when battery breaks down, roll-over valve overturning, so that positive terminal and negative pole end pass through electricity
Resistor, roll-over valve and cover board body conducting, form short circuit, short circuit current makes safety piece fuse, and then battery is avoided to occur
The danger such as fire.Such as Chinese patent literature CN207425928U, a kind of power battery and its upper cover group, positive terminal therein are disclosed
Unit include the positive terminal for being seal-installed on upper cover plate, the cathode metal block for being fixed on positive terminal and be located at cathode metal block and
Resistance bolck between upper cover plate, upper cover plate are connected by resistance bolck with positive terminal, when the growth with service time of battery, are used
The variation of environment, or vibration occurs etc., there is gap etc. in connection between resistance bolck and cathode metal block and upper cover plate, causes just
The resistance connected between pole metal block and upper cover plate is greater than the design resistance of resistance bolck, when there is short circuit in battery at this time, short circuit electricity
Stream is reduced, and it is elongated to will lead to safety piece fusing time, is not fused for a long time even, so that the danger such as battery catches fire occurs
Danger.
Utility model content
When therefore, the technical problem to be solved by the present invention is to overcome battery in the prior art that short circuit occurs, protect
The problem of dangerous part cannot fuse in time, thus when providing a kind of battery short circuit occur, battery cover that safety piece can fuse in time
Plate, and it is provided with the battery of the battery cover board.
To solve the above problems, a kind of battery cover board of the utility model, including cover board body, the first output end and second
Output end；First output end and second output terminal are arranged on the cover board body, first output end and the cover board sheet
Body and battery inner core electrical connection；The second output terminal and cover board body insulation connect, and are electrically connected with the battery inner core,
One of first output end and second output terminal are the positive terminal of battery, another negative pole end for battery；First output
End includes the output link block with load connection, is provided with resistance unit on the output link block；It is characterized in that, the battery
Inner core is electrically connected by the resistance unit with the battery cover board, and the output link block and the cover board body weld.
It is described output link block include with the cover board body welding the first link block, first link block with it is described
The material of cover board body is identical.
First link block is aluminium block.
The output link block further includes loading the second link block for being electrically connected with described, first link block and described
The resistance unit is provided between second link block.
First link block, the resistance unit and second link block are by heating compound or friction welding (FW) or stirring weldering
Connection.
First output end further includes across the cover board body, and one end is connect with second link block, another
The pole connecting with battery inner core is held, the pole and first link block, the resistance unit and the cover board body insulate
Setting.
The output link block is located at the outside of the cover board body.
The second output terminal includes safe trigger device and safety piece；Safe trigger device is arranged in the cover board body
On, when battery internal and external pressure difference is more than threshold value, triggering is so that first output end and second output terminal pass through the cover board sheet
Body conducts to form short circuit；Safety piece is arranged at the second output terminal, triggers to form short circuit in the safe trigger device
When, the safety piece fusing, to disconnect the electrical connection of first output end and second output terminal.
First output end is positive terminal, and the second output terminal is negative pole end.
A kind of battery of the utility model, comprising: shell；Battery inner core is set in the shell；Above-mentioned battery cover
Plate, what the battery cover board was connect with the shell is sealed in the battery inner core in the shell.
Technical solutions of the utility model have the advantages that
1. the battery cover board of the utility model, including cover board body, the first output end and second output terminal；First output end
It is arranged on the cover board body with second output terminal, first output end is electrically connected with the cover board body and battery inner core
It connects；The second output terminal and the cover board body insulation connect, be electrically connected with the battery inner core, first output end with
One of second output terminal is the positive terminal of battery, another negative pole end for battery；First output end includes connecting with load
Output link block, be provided with resistance unit on the output link block；The battery inner core passes through the resistance unit and the electricity
The electrical connection of pond cover board, the output link block and the cover board body weld.The setting of resistance unit for breaking down in battery,
When first output end and second output terminal conduct to form short circuit by the cover board body, the size of short circuit current is adjusted,
While ensuring that safety piece can be broken, so that short circuit current does not damage battery.It is provided with resistance unit on the output link block,
The close firm setting of resistance unit can be connected in output when production exports link block, using adaptable production method
It on block, can be avoided because resistance unit and being not connected firmly for link block of output lean on, lead to resistance unit and export the electricity between link block
Resistance is greater than the resistance of resistance unit, so that short circuit current when short circuit occurs for battery is less than the short circuit current of setting, safety piece fusing
Time is elongated, the danger such as battery catches fire for not fusing even, and then occurring for a long time.And by the output link block and cover board
Ontology welding, can increase the connection fixing between output link block and cover board body, reduce because of the output link block and
Cover board body, which is not connected firmly, to be leaned on and increased resistance.Therefore, the resistance value of the battery cover board of the utility model is setting value, in electricity
When short circuit occurs for pond, safety piece can fuse in time, can be less than the short circuit current set because of short circuit current to avoid generation battery,
Safety piece fusing time is elongated, the danger such as battery catches fire for not fusing even, and then occurring for a long time.
2. the battery cover board of the utility model, first link block is identical as the material of the cover board body, i.e., first
Link block is identical as the fusing point of cover board body, can guarantee the firm welding between the first link block and cover board body in welding
Property, and the aesthetics of the cover board body after welding.
3. the battery cover board of the utility model, the output link block is located at the outside of the cover board body, can be convenient
The welding of link block and cover board body will be exported.
Detailed description of the invention
It, below will be right in order to illustrate more clearly of specific embodiment of the present invention or technical solution in the prior art
Specific embodiment or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, it is described below
In attached drawing be that some embodiments of the utility model are not paying creativeness for those of ordinary skill in the art
Under the premise of labour, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the schematic cross-sectional view of the perspective view of the battery cover board of the first embodiment of the utility model；
Fig. 2 is the schematic diagram of the enlarged drawing of part A in Fig. 1；
Description of symbols:
1- cover board body；2- positive terminal；3- negative pole end；4- exports link block；The first link block of 41-；42- resistance
Part；The second link block of 43-；44- pole；5- insulating part；The safe trigger device of 6-.
Specific embodiment
The technical solution of the utility model is clearly and completely described below in conjunction with attached drawing, it is clear that described
Embodiment is the utility model a part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, originally
Field those of ordinary skill every other embodiment obtained without making creative work belongs to practical
Novel protected range.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be mechanical connection, be also possible to be electrically connected；Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition
The concrete meaning of language in the present invention.
In addition, as long as technical characteristic involved in the utility model different embodiments disclosed below is each other
Not constituting conflict can be combined with each other.
Embodiment one:
The battery cover board of the present embodiment, as depicted in figs. 1 and 2, including cover board body 1, positive terminal 2 and negative pole end 3.Anode
End 2 and negative pole end 3 are arranged on cover board body 1, and positive terminal 2 is electrically connected with cover board body 1 and battery inner core, negative pole end 3 and institute
The insulation connection of cover board body 1 is stated, is electrically connected with battery inner core.
Positive terminal 2 includes that the output link block 4 being electrically connected with load and one end are electrically connected with output link block 4, the other end
The pole 44 being electrically connected with battery inner core.
Exporting link block 4 includes the first link block 41, resistance unit 42 and the second link block 43.First link block 41 is close to lid
Plate ontology 1 is arranged, and welds with cover board body 1, and output link block 4 is fixed on cover board body 1 by the first link block 41.In order to
So that the first link block 41 welds more firm, leading between the first link block 41 and cover board body 1 after welding with cover board body 1
Electrical property is more preferable, sets identical as the material of the cover board body 1 for the material of first link block 41.First connector
When being welded with cover board body 1, to be welded with the outer surface of cover board body 1.Certainly, it in order to adapt to process requirements, can cover
The outer surface of plate ontology 1 is equipped with to the groove being recessed on the inside of cover board body 1, by the setting of the first link block 41 in groove, also
The first connector can be arranged in the inside of opening in 1 upper opening of cover board body, as long as meeting welding demand.
Second link block 43 is arranged far from the side of cover board body 1, is electrically connected with the load.
Resistance unit 42 is arranged between first link block 41 and second link block 43.
In the present embodiment, the first link block 41, resistance unit 42 and the second link block 43 are stacked, compound by heating
Or friction welding (FW) or stirring weldering connect.First link block 41 and the second link block 43 are aluminium, and the material of resistance unit 42 is stainless steel.
Mounting hole is provided on cover board body 1, pole 44 is arranged in mounting hole, and one end of pole 44 and described second connects
The connection of block 43 is connect, the other end is connect with battery inner core, the pole 44 and first link block 41, the resistance unit 42 and institute
State 1 insulation set of cover board body.I.e., it is possible in the pole 44 and first link block 41, the resistance unit 42 and described
Insulating part 5 is set between cover board body 1.
The negative pole end 3 includes safe trigger device 6 and safety piece.Safe trigger device 6 is arranged in the cover board body 1
On, when battery internal and external pressure difference is more than threshold value, triggering is so that the positive terminal and negative pole end pass through 1 conductance of cover board body
It is logical to form short circuit.In the present embodiment, safe trigger device 6 is roll-over valve.
Safety piece is arranged at the negative pole end, when the safe triggering of trigger device 6 forms short circuit, the safety piece
Fusing, to disconnect the electrical connection of the negative pole end and positive terminal.
The battery cover board of the present embodiment, when normal battery operation, battery inner core is electrically connected with negative pole end, and battery inner core is successively
It is electrically connected by pole 44, the second link block 43, resistance unit 42 and the first link block 41 with cover board body 1, and negative pole end and
Two link blocks 43 are electrically connected with load, are load supplying.When battery breaks down, safe trigger device 6 is triggered, so that cathode
End passes sequentially through safety piece and safe trigger device 6 is electrically connected with cover board body 1, so battery inner core pass sequentially through pole 44,
Second link block 43, resistance unit 42 and the first link block 41, cover board body 1, safe trigger device 6, safety piece and negative pole end shape
At short circuit, at this point, the size of the adjustable short circuit current of setting of resistance unit, so that short circuit current is within the set range, it is ensured that
Safety piece can quick fuse, prevent battery from danger on fire occurs.
It is provided with resistance unit 42 on the output link block 4, it can be when production exports link block 4, using adaptable
Production method can be avoided by the close firm setting of resistance unit 42 on output link block 4 because resistance unit 42 and output connect
Being not connected firmly for block is leaned on, and is led to resistance unit 42 and is exported the resistance that the resistance between link block is greater than resistance unit, so that battery is sent out
Short circuit current when raw short circuit is less than the short circuit current of setting, and safety piece fusing time is elongated, does not fuse for a long time even, into
And the danger such as battery catches fire occurred.And weld the output link block 4 with cover board body 1, output link block 4 can be increased
Connection fixing between cover board body 1, reduce because the output link block 4 and cover board body 1 be not connected firmly by due to increase
Resistance.Therefore, the battery cover board of the present embodiment has when short circuit occurs in battery, and resistance unit 42 can timely fuse, and prevents
The advantages of only causing danger.
As disposable embodiment: negative pole end includes the output link block 4 being electrically connected with load and one end and output
Link block 4 is electrically connected, the pole 44 that the other end is electrically connected with battery inner core.Safe trigger device 6 and safety piece are arranged in cathode
At end, naturally it is also possible to be arranged at positive terminal.
The set-up mode of safety piece is specifically arranged according to use demand and processing technology, if meet safety piece be with electricity
Processing and setting are completed before the assembling of pond cover board, then the components with safety piece are mounted on cover board body again, to ensure
When short circuit occurs, short circuit current is by safety piece, and safety piece regulation short circuit current makes short circuit current in setting model for battery
In enclosing.
Embodiment two:
A kind of battery of the present embodiment, including the battery cover board in shell, battery inner core and embodiment one.Battery inner core is set
It is placed in the shell, what the battery cover board was connect with the shell is sealed in the battery inner core in the shell.
Obviously, the above embodiments are merely examples for clarifying the description, and does not limit the embodiments.It is right
For those of ordinary skill in the art, can also make on the basis of the above description it is other it is various forms of variation or
It changes.There is no necessity and possibility to exhaust all the enbodiments.And it is extended from this it is obvious variation or
It changes among the protection scope created still in the utility model.
Claims (10)
1. a kind of battery cover board, including
Cover board body (1)；
First output end and second output terminal are arranged on the cover board body (1), first output end and the cover board sheet
Body (1) and battery inner core electrical connection；The second output terminal and the cover board body (1) insulation connect, with the battery inner core
Electrical connection, one of first output end and second output terminal are the positive terminal (2) of battery, another negative pole end (3) for battery；
First output end includes the output link block (4) with load connection, is provided with resistance on the output link block (4)
Part (42)；
It is characterized in that, the battery inner core is electrically connected by the resistance unit (42) with the battery cover board, the output connects
Block (4) and the cover board body (1) are connect to weld.
2. battery cover board according to claim 1, which is characterized in that the output link block (4) includes and the cover board
The first link block (41) of ontology (1) welding, first link block (41) are identical as the material of the cover board body (1).
3. battery cover board according to claim 2, which is characterized in that first link block (41) is aluminium block.
4. battery cover board according to claim 2, which is characterized in that the output link block (4) further includes bearing with described
The second link block (43) for carrying electrical connection is provided with described between first link block (41) and second link block (43)
Resistance unit (42).
5. battery cover board according to claim 4, which is characterized in that first link block (41), the resistance unit
(42) and second link block (43) is by heating compound or friction welding (FW) or stirring weldering connection.
6. battery cover board according to claim 4, which is characterized in that first output end further includes across the cover board
Ontology (1), one end is connect with second link block (43), the pole (44) that the other end is connect with battery inner core, the pole
Column (44) and first link block (41), the resistance unit (42) and the cover board body (1) insulation set.
7. battery cover board according to claim 1, which is characterized in that the output link block (4) is located at the cover board sheet
The outside of body (1).
8. battery cover board described in any one of -7 according to claim 1, which is characterized in that the second output terminal includes,
Safe trigger device (6), be arranged on the cover board body (1), battery internal and external pressure difference be more than threshold value when trigger with
First output end and second output terminal is set to conduct to form short circuit by the cover board body (1)；
Safety piece is arranged at the second output terminal, when safe trigger device (6) triggering forms short circuit, the guarantor
Dangerous part fusing, to disconnect the electrical connection of first output end and second output terminal.
9. battery cover board according to claim 8, which is characterized in that first output end is positive terminal (2), described the
Two output ends are negative pole end (3).
10. a kind of battery characterized by comprising
Shell；
Battery inner core is set in the shell；
Battery cover board of any of claims 1-9, the battery cover board connect with the shell by the battery
Inner core is sealed in the shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821630893.8U CN208939022U (en) | 2018-10-08 | 2018-10-08 | A kind of battery cover board and battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821630893.8U CN208939022U (en) | 2018-10-08 | 2018-10-08 | A kind of battery cover board and battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208939022U true CN208939022U (en) | 2019-06-04 |
Family
ID=66723698
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821630893.8U Active CN208939022U (en) | 2018-10-08 | 2018-10-08 | A kind of battery cover board and battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208939022U (en) |
-
2018
- 2018-10-08 CN CN201821630893.8U patent/CN208939022U/en active Active
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