CN107579175A - Battery - Google Patents
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- Publication number
- CN107579175A CN107579175A CN201710630291.6A CN201710630291A CN107579175A CN 107579175 A CN107579175 A CN 107579175A CN 201710630291 A CN201710630291 A CN 201710630291A CN 107579175 A CN107579175 A CN 107579175A
- Authority
- CN
- China
- Prior art keywords
- battery
- explosion
- negative
- substrate
- positive
- 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.)
- Pending
Links
- 239000000758 substrate Substances 0.000 claims description 44
- 238000007789 sealing Methods 0.000 claims description 26
- 239000004033 plastic Substances 0.000 claims description 22
- 238000009413 insulation Methods 0.000 claims description 7
- 239000004568 cement Substances 0.000 claims 1
- 239000003792 electrolyte Substances 0.000 abstract description 9
- 230000003116 impacting effect Effects 0.000 abstract description 2
- 238000002347 injection Methods 0.000 description 4
- 239000007924 injection Substances 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- 238000009825 accumulation Methods 0.000 description 3
- 238000004880 explosion Methods 0.000 description 3
- 230000002265 prevention Effects 0.000 description 3
- 238000005474 detonation Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000686 essence Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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
- Connection Of Batteries Or Terminals (AREA)
Abstract
The invention belongs to cell art, it is related to a kind of battery, the battery includes housing and the battery cover board being arranged on above the housing, and the housing includes side wall and the drain pan being connected with the side wall, and the drain pan is provided with least one explosion-proof impression towards a side surface of the battery cover board.The bottom of the battery container sets at least one explosion-proof impression, when cell internal pressure increases to certain value, gas can wash the explosion-proof impression discharge of housing bottom open, reduce the internal pressure of battery, so as to avoid the generation of blast, housing electrolyte inside is flowed out by explosion-proof impression simultaneously, avoid pair equipment being connected with battery or other batteries from impacting.
Description
Technical field
The invention belongs to cell art, more particularly to a kind of battery.
Background technology
Electrokinetic cell is the developing direction of new-energy automobile and energy-accumulating power station, thus the security of battery is most important.It is existing
Explosion-proof valve is generally arranged on battery cover board to reach explosion-proof purpose by some batteries, but this explosion-proof form is single and explosion-proof
Electrolyte is sprayed upwards after valve pops, and easily connected equipment or other batteries are affected greatly.
The content of the invention
The technical problems to be solved by the invention are：For prior art explosion-proof valve pop after easily influence it is connected
A kind of technical problem of equipment or other batteries, there is provided battery.
In order to solve the above technical problems, the embodiment of the present invention provides a kind of battery, including housing and it is arranged on the housing
The battery cover board of top, the housing include side wall and the drain pan that is connected with the side wall, and the drain pan is towards the battery cover
One side surface of plate is provided with least one explosion-proof impression.
Alternatively, the explosion-proof impression is arranged on the edge of the drain pan.
Alternatively, the drain pan is rectangular configuration, and long side of the explosion-proof impression along the drain pan extends.
Alternatively, the drain pan is provided with a plurality of explosion-proof impression, and a plurality of explosion-proof impression intersects.
Alternatively, the battery cover board includes the positive terminal and negative terminal of substrate and setting on the substrate, described
Be provided with positive pole pressing plate above positive terminal, the negative terminal top is provided with negative pole pressing plate, the positive pole pressing plate, the positive terminal and
Positive pole insulated plastic part is provided between the substrate, it is exhausted that negative pole is provided between the negative pole pressing plate, the negative terminal and the substrate
Edge plastic parts.
Alternatively, the substrate, which is provided with, is used to place the positive pole post holes of the positive terminal and for placing the negative pole
The negative pole post holes of post；
Positive pole sealing ring is provided between the substrate and the positive terminal, the positive pole sealing ring is set in the positive terminal
On, the positive pole sealing ring is placed in the positive pole post holes；
Negative pole sealing ring is provided between the substrate and the negative terminal, the negative pole sealing ring is set in the negative terminal
On, the negative pole sealing ring is placed in the negative pole post holes.
Alternatively, the battery cover board also includes rotating sheet, and the substrate is provided with close to described negative pole post holes one end to be used for
Place the tumble port of the rotating sheet.
Alternatively, the battery cover board also includes burst disk, and the substrate, which is provided with, to be used to place the anti-of the burst disk
Blast hole, the explosionproof hole are arranged between the positive pole post holes and negative pole post holes.
Alternatively, the diaphragm for being used for protecting the burst disk is provided with above the burst disk.
Alternatively, connected between the battery cover board and the housing by plastic rubber connector；On the plastic rubber connector
Provided with the positive pole hole for passing through for the positive terminal, for the negative pole hole passed through for the negative terminal and the rotating sheet position
Upset groove and the explosion-proof groove with the burst disk position correspondence corresponding to putting.
Battery according to embodiments of the present invention, explosion-proof impression is set in the housing bottom of battery, when inside battery generation is swollen
When swollen, the air pressure of inside battery can produce to housing bottom tears stress, and explosion-proof impression is broken, makes the electrolyte of accumulation by shell
Flowed out at the explosion-proof impression of body bottom, avoid pair equipment being connected with battery or other batteries from impacting, while battery is existed
Explosion prevention function is realized at the explosion-proof impression of the drain pan of housing, prevents battery from being exploded because air pressure inside is excessive.
Brief description of the drawings
Fig. 1 is the schematic diagram for the battery that one embodiment of the invention provides；
Fig. 2 is the profile of housing in Fig. 1；
Fig. 3 is the schematic diagram of housing bottom in Fig. 1；
Fig. 4 is the profile of battery cover board in Fig. 1.
Reference in specification is as follows：
1st, substrate；101st, positive pole post holes；102nd, negative pole post holes；103rd, tumble port；104th, explosionproof hole；105th, liquid injection hole；
2nd, positive terminal；201st, positive pole pressing plate；202nd, positive pole insulated plastic part；203rd, positive pole sealing ring；204th, positive conductive
Block；
3rd, negative terminal；301st, negative pole pressing plate；302nd, negative insulation plastic parts；303rd, negative pole sealing ring；
4th, plastic rubber connector；401st, positive pole hole；402nd, negative pole hole；403rd, groove is overturn；404th, explosion-proof groove；
5th, rotating sheet；
6th, burst disk；601st, diaphragm；
7th, housing；701st, side wall；702nd, drain pan；703rd, explosion-proof impression.
Embodiment
In order that technical problem solved by the invention, technical scheme and beneficial effect are more clearly understood, below in conjunction with
Drawings and Examples, the present invention is described in further detail.It should be appreciated that specific embodiment described herein is only
To explain the present invention, it is not intended to limit the present invention.
As shown in figure 1, the battery that one embodiment of the invention provides, including battery cover board and housing 7, battery cover board is arranged on
The top of housing 7, battery cover board are connected by plastic rubber connector 4 and housing 7.Battery cover board includes substrate 1, the and of positive terminal 2
Negative terminal 3.
As shown in Figures 2 and 3, housing 7 includes side wall 701 and drain pan 702, side table of the drain pan 702 towards battery cover board
Face is provided with least one explosion-proof impression 703.In the present embodiment, drain pan 702 is in rectangular configuration, and drain pan 702 is provided with four
Explosion-proof impression 703, and four explosion-proof impressions 703 are end to end and edge along drain pan 702 is set.It should be understood that four anti-
It is generally rectangular shaped after detonation pressure trace 703 is end to end.When inside battery expands, the air pressure of inside battery can be to housing 7
Drain pan 702 is produced and tears stress, and explosion-proof impression 703 is broken, the electrolyte of accumulation is flowed out by explosion-proof impression 703, avoids
Pair equipment being connected with battery or other batteries impact, while make battery in the explosion-proof impression 703 of the drain pan 702 of housing 7
Place realizes explosion prevention function, prevents battery from being exploded because air pressure inside is excessive.
In other embodiments, an explosion-proof impression 703 can be provided only with drain pan 702, it is preferred that the explosion-proof impression of this
703 extend along the long side of drain pan 702；Also a plurality of explosion-proof impression 703 can be provided with drain pan 702, a plurality of explosion-proof impression 703 is mutual
Intersect at one-point or multi-point.
As shown in figure 4, in the present embodiment, battery cover board includes substrate 1, positive terminal 2 and negative terminal 3.Substrate 1 is provided with
Positive pole post holes 101 and negative pole post holes 102.It should be understood that positive terminal 2 will be placed through positive pole post holes 101, negative terminal 3 will be worn
Negative pole post holes 102 is crossed to place.
Further, 102 rounded structure of positive pole post holes 101 and negative pole post holes, and it is separately positioned on the left and right two of substrate 1
End, positive terminal 2 and negative terminal 3 are separately positioned on the center of positive pole post holes 101 and negative pole post holes 102.It should be understood that just
Pole 2 and negative terminal 3 will be located at the left and right ends of substrate 1 respectively.
A liquid injection hole 105 is additionally provided with substrate 1, electrolyte can be injected into battery by liquid injection hole 105.
Positive pole sealing ring 203 is provided between substrate 1 and positive terminal 2, positive pole sealing ring 203 is set on positive terminal 2, then
Positive pole sealing ring 203 is set in positive pole post holes 101, to realize to the sealing between positive terminal 2 and substrate 1, while made just
Insulated between pole 2 and substrate 1.Further, negative pole sealing ring 303 is provided between substrate 1 and negative terminal 3, negative pole is sealed
Circle 303 is set on negative terminal 3, then negative pole sealing ring 303 is set in negative pole post holes 102, to realize negative terminal 3 and substrate
Sealing and insulation between 1.It should be understood that between positive pole sealing ring 203 will be arranged on the bottom of substrate 1 and positive terminal 2, bear
Pole sealing ring 303 will be arranged between the bottom of substrate 1 and negative terminal 3.
In the present embodiment, positive pole sealing ring 203 and negative pole sealing ring 303 are made of fluorubber.
Positive terminal 2 is provided with positive pole pressing plate 201, and positive pole insulated plastic is provided between positive pole pressing plate 201, positive terminal 2 and substrate 1
Part 202, negative terminal 3 are provided with negative pole pressing plate 301, and negative insulation plastic parts is provided between negative pole pressing plate 301, negative terminal 3 and substrate 1
302.It should be understood that the upper/lower terminal of positive pole insulated plastic part 202 will connect positive pole pressing plate 201 and substrate 1 respectively, so as to
Positive pole insulated plastic part 202 is aligned extreme pressure plate 201 and play fixation；The upper/lower terminal of negative insulation plastic parts 302 will be respectively
Negative pole pressing plate 301 and substrate 1 will be connected, so that negative insulation plastic parts 302 plays fixation to negative pole pressing plate 301.
Further, it is provided between positive pole pressing plate 201, positive pole sealing ring 203, positive pole insulated plastic part 202 and substrate 1
Positive conductive block 204.Positive conductive block 204 electrically connects with positive pole pressing plate 201.
In the present embodiment, battery cover board also includes burst disk 6, and substrate 1 is arranged on positive pole post holes 101 provided with one and born
Explosionproof hole 104 between pole column hole 102, the position of the corresponding explosionproof hole 104 of burst disk 6 is welded on the lower section of substrate 1, explosion-proof
104 equal showing ellipsoidal structure of piece 6 and explosionproof hole.It should be understood that the surface area of burst disk 6 should be greater than or equal to explosionproof hole 104
Surface area.
Further, the upper surface of burst disk 6 is provided with a ring-type cutting, and the top of burst disk 6 is provided with explosion-proof for protecting
The diaphragm 601 of piece 6.Specifically, being equipped with one above the position of explosionproof hole 104 of substrate 1 with boss jaggy, protect
Cuticula 601 is arranged on the top of boss.It should be understood that the surface area of diaphragm 601 should be greater than the surface area of explosionproof hole 104；
When the air pressure of inside battery is excessive, the electrolyte of inside battery will be flowed out by ring-type cutting, and via the breach stream of boss
To outside batteries, so as to prevent battery from being exploded because air pressure inside is excessive.
In the present embodiment, battery cover board also includes rotating sheet 5, and substrate 1 is provided with close to the one end of negative pole post holes 102 to be used to put
Put the tumble port 103 of rotating sheet 5.Rotating sheet 5 is welded on substrate 1, and rotating sheet 5 is kept before upset between negative pole pressing plate 301
There is space, rotating sheet 5 contacts after upset with negative pole pressing plate 301.It should be understood that correspondingly turned on negative insulation plastic parts 302
The position of rotor 5 is provided with a manhole, by the manhole, rotating sheet 5 is deposited before upset between negative pole pressing plate 301
In gap.
When the air pressure of inside battery is excessive, in the presence of by air pressure, the middle part of rotating sheet 5 can arch upward upwards, with bearing
Extreme pressure plate 301 contacts, will formation between rotating sheet 5 and negative terminal 3 because negative pole pressing plate 301 is connected with negative terminal 3 by welding
Conducting, blocks the electric current into battery core, causes electric current to be no longer flow into battery core and continues to produce discharge and recharge, so that battery core internal pressure obtains
Control, reduces the generation of accident.
In the present embodiment, battery cover board also includes plastic rubber connector 4, and plastic rubber connector 4, which is provided with, to be used for through positive pole
The positive pole hole 401 of post 2, for through the negative pole hole 402 of negative terminal 3, with 105 corresponding circular hole of liquid injection hole, with the position of rotating sheet 5
Corresponding upset groove 403 and the explosion-proof groove 404 with the position correspondence of burst disk 6.Further, positive pole hole 401 and negative pole
402 rounded structure of hole, upset groove 403 bottom are provided with pressure hole, and the bottom of explosion-proof groove 404 is provided with fluid hole.
It should be understood that during the air pressure increase of inside battery, the generation gas of inside battery will be by pressure hole to upset
Piece 5 exerts a force, and rotating sheet 5 is arched upward upwards, controls battery core internal pressure；If the air pressure of inside battery strengthens again, inside battery
Electrolyte will be flowed into the bottom surface of burst disk 6 by fluid hole, and by the ring-type cutting of burst disk 6 and the boss of substrate 1
Breach flows to outside batteries, so as to prevent battery from being exploded because air pressure inside is excessive.
In other embodiments, rotating sheet 5 or burst disk 6 can be also not provided with.
Battery cover board according to embodiments of the present invention, at least one anti-detonation pressure is set on the drain pan 702 of the housing 7 of battery
Trace 703.When the expanding of inside battery, air pressure increase, the air pressure of inside battery can produce to the drain pan 702 of housing 7 tear
Stress is pulled, explosion-proof impression 703 is broken, the electrolyte of accumulation is flowed out by explosion-proof impression 703, avoids what is pair be connected with battery
Equipment or other batteries impact, while battery is realized explosion prevention function at the explosion-proof impression 703 of the drain pan 702 of housing 7,
Prevent battery from being exploded because air pressure inside is excessive.If explosion-proof impression 703 can not be broken in time, when the air pressure of inside battery
When reaching certain numerical value, the generation gas of inside battery will exert a force to rotating sheet 5, rotating sheet 5 is arched upward upwards, control in battery core
Pressure；If the air pressure of inside battery strengthens again, the electrolyte of inside battery will be flowed into the bottom surface of burst disk 6, and by explosion-proof
Breach in the ring-type cutting of piece 6 and the boss of substrate 1 flows to outside batteries, so as to prevent battery from being sent out because air pressure inside is excessive
Raw blast.
In addition, one embodiment of the invention additionally provides a kind of battery, it includes above-mentioned battery cover board.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
All any modification, equivalent and improvement made within refreshing and principle etc., should be included in the scope of the protection.
Claims (10)
1. a kind of battery, it is characterised in that including housing and the battery cover board being arranged on above the housing, the housing includes
Side wall and the drain pan being connected with the side wall, the drain pan are explosion-proof provided with least one towards a side surface of the battery cover board
Impression.
2. battery according to claim 1, it is characterised in that the explosion-proof impression is arranged on the edge of the drain pan.
3. battery according to claim 2, it is characterised in that the drain pan is rectangular configuration, and the explosion-proof impression is along institute
State the long side extension of drain pan.
4. battery according to claim 1, it is characterised in that the drain pan is provided with a plurality of explosion-proof impression, a plurality of described
Explosion-proof impression intersects.
5. according to the battery described in any one of Claims 1-4, it is characterised in that the battery cover board includes substrate and set
Positive terminal and negative terminal on the substrate is put, positive pole pressing plate is provided with above the positive terminal, is provided with above the negative terminal
Negative pole pressing plate, positive pole insulated plastic part, the negative pole pressure are provided between the positive pole pressing plate, the positive terminal and the substrate
Negative insulation plastic parts is provided between plate, the negative terminal and the substrate.
6. battery according to claim 5, it is characterised in that the substrate, which is provided with, to be used to place the positive terminal just
Pole column hole and the negative pole post holes for placing the negative terminal；
Positive pole sealing ring is provided between the substrate and the positive terminal, the positive pole sealing ring is set on the positive terminal,
The positive pole sealing ring is placed in the positive pole post holes；
Negative pole sealing ring is provided between the substrate and the negative terminal, the negative pole sealing ring is set on the negative terminal,
The negative pole sealing ring is placed in the negative pole post holes.
7. battery according to claim 6, it is characterised in that the battery cover board also includes rotating sheet, and the substrate leans on
Nearly described negative pole post holes one end is provided with the tumble port for being used for placing the rotating sheet.
8. battery according to claim 6, it is characterised in that the battery cover board also includes burst disk, on the substrate
Provided with the explosionproof hole for placing the burst disk, the explosionproof hole is arranged between the positive pole post holes and negative pole post holes.
9. battery according to claim 8, it is characterised in that be provided with above the burst disk and be used to protect the burst disk
Diaphragm.
10. battery according to claim 1, it is characterised in that pass through plastic cement between the battery cover board and the housing
Connector connects；The plastic rubber connector be provided be used to pass through for the positive terminal positive pole hole, for supplying the negative terminal
The negative pole hole that passes through, with the upset groove of the rotating sheet position correspondence and explosion-proof recessed with the burst disk position correspondence
Groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710630291.6A CN107579175A (en) | 2017-07-28 | 2017-07-28 | Battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710630291.6A CN107579175A (en) | 2017-07-28 | 2017-07-28 | Battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107579175A true CN107579175A (en) | 2018-01-12 |
Family
ID=61034605
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710630291.6A Pending CN107579175A (en) | 2017-07-28 | 2017-07-28 | Battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107579175A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108390130A (en) * | 2018-04-28 | 2018-08-10 | 华霆（合肥）动力技术有限公司 | Heat sink, battery modules and electric vehicle |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102005597A (en) * | 2009-09-01 | 2011-04-06 | Sb锂摩托有限公司 | Rechargeable battery |
| CN204706609U (en) * | 2015-05-26 | 2015-10-14 | 华健 | A kind of cylindrical aluminum hull girdles the waist sealing positive and negative electrodes in same to the lithium ion battery of drawing |
| CN206250230U (en) * | 2016-12-14 | 2017-06-13 | 慈晟 | A kind of novel battery cover plate |
-
2017
- 2017-07-28 CN CN201710630291.6A patent/CN107579175A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102005597A (en) * | 2009-09-01 | 2011-04-06 | Sb锂摩托有限公司 | Rechargeable battery |
| CN204706609U (en) * | 2015-05-26 | 2015-10-14 | 华健 | A kind of cylindrical aluminum hull girdles the waist sealing positive and negative electrodes in same to the lithium ion battery of drawing |
| CN206250230U (en) * | 2016-12-14 | 2017-06-13 | 慈晟 | A kind of novel battery cover plate |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108390130A (en) * | 2018-04-28 | 2018-08-10 | 华霆（合肥）动力技术有限公司 | Heat sink, battery modules and electric vehicle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20200812 Address after: Room 202, Yuanshuo Science Park, No.8, South Lane, xinshiqiao street, Guihua community, Guanlan street, Longhua District, Shenzhen, Guangdong Province Applicant after: Shenzhen xindimeng Technology Co.,Ltd. Address before: 518000 Guangdong Province, Shenzhen New District of Longhua City, Dalang street, No. 289 Hua Tong Sheng community Fanlu Yu Jian Feng Industrial Zone Building G building 1-5 layer Applicant before: SHENZHEN CITY XIN DIMING NEW ENERGY POLYTRON TECHNOLOGIES Inc. |
|
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20180112 |