CN203423228U - Battery with convenience in welding and with safety pull-off device - Google Patents
Battery with convenience in welding and with safety pull-off device Download PDFInfo
- Publication number
- CN203423228U CN203423228U CN201320543520.8U CN201320543520U CN203423228U CN 203423228 U CN203423228 U CN 203423228U CN 201320543520 U CN201320543520 U CN 201320543520U CN 203423228 U CN203423228 U CN 203423228U
- Authority
- CN
- China
- Prior art keywords
- battery
- disk
- welded
- convenience
- housing
- 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.)
- Expired - Lifetime
Links
Images
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 utility model discloses a battery with convenience in welding and with a safety pull-off device. The battery comprises a shell, a core rod, a positive convergence plate and a negative convergence plate; a flange is arranged at the top end of the shell, and is connected into the shell to form an anti-explosion piece by extending; a negative terminal is fixed to the bottom of the shell and adopts a compound terminal which is formed by at least two metals by bolt connecting, or tight fit or friction welding; one end of the negative terminal is connected with the negative convergence plate, and the other end of the negative terminal extends out of the bottom of the shell. The flange on the shell of the battery forms the anti-explosion piece, and a conventional independent safety pull-off device component is omitted by the integrated molding design of the shell of the battery and the anti-explosion piece, so that a mechanical structure is simplified while an anti-explosion function is guaranteed, and the production cost is saved; a compound metal material serves as a negative leading-out column, so that a positive leading-out column and the negative leading-out column are made of the same material, and the process difficult problem that the positive and negative leading-out columns are unlikely to be connected by an aluminum band is solved; the battery has the advantages of convenience in production.
Description
[technical field]
The utility model relates to battery current techique field, and particularly the battery of safe breaking device is welded and had to a kind of convenience.
[background technology]
In process of production, because the defect of technology controlling and process, after the use of certain hour, its electric conducting material can produce chemical reaction to battery, easily at inside battery, forms micro-short circuit, causes battery-heating, produces higher inner pressure of battery.Also have battery in use, because battery management system loses efficacy to cause, overcharged, also can cause because inner pressure of battery raises and cause the serious consequence of battery explosion burning.
For this reason, the Chinese utility model patent that row are ZL 201010220664.0 as the patent No. discloses a kind of explosion-proof device of power battery, solder joint separating action by tension board and bursting diaphragm is torn bursting diaphragm, it need be connected the positive terminal of battery core with aluminium strip while using as one of anode with this device derive end, once meet accident, anode section will disconnect guaranteeing safety with external circuit, plays safety and breaks function.And such device is all as parts independently in prior art, mechanical structure more complicated own, for electrokinetic cell, because charging or discharging current is larger, the aluminium strip being connected with positive terminal as battery core just becomes bottleneck.
In this simultaneously, seeing in the market more electrokinetic cell is bolt conductive pole, positive pole is pure aluminum material, negative pole adopts copper or stainless steel, for the ease of the combination realizing between battery and battery, adopt safer, reliable, welding procedure easily, both positive and negative polarity conductive pole how to accomplish battery is that commaterial is key core.
[utility model content]
The purpose of this utility model solves the problems of the prior art exactly, proposes the battery that safe breaking device was welded and had to a kind of convenience, when can improve battery safety, can simplify mechanical structure again, convenient production and installation.
For achieving the above object, the utility model proposes a kind of convenience and weld and have the battery of safe breaking device, comprise housing, battery core, anodal conflux disk and negative pole conflux disk, described battery core is arranged at the inside of housing, anodal conflux disk and negative pole conflux disk lay respectively at the two ends of battery core, on in described anodal conflux disk, be provided with positive terminal, positive terminal adopts pure aluminum metal material to make, on negative pole conflux disk, be provided with negative terminal, housing top is provided with flange, flange joins and forms burst disk in extending in housing, described burst disk is connected with anodal conflux disk, negative terminal is fixed on housing bottom, described negative terminal adopts and is bolted by least 2 kinds of metals, cross the composite terminal that tight fit or friction are welded to form, one end of negative terminal is connected with negative pole conflux disk, the other end of negative terminal stretches out from housing bottom.
As preferably, the bottom of described burst disk is provided with pad, and burst disk is welded on anodal conflux disk by pad, makes burst disk in running order.
As preferably, described anodal conflux disk center is provided with projection, and projection is welded and fixed with pad, and the structural design of projection and pad makes anodal conflux disk be connected with burst disk more tight and reliably.
As preferably, described welding adopts laser welding, ultrasonic bonding or electron beam welding.
As preferably, between described anodal conflux disk and burst disk, be provided with insulation retainer plate, anodal conflux disk protrusions is connected with burst disk after passing insulation retainer plate, and insulation retainer plate surrounding embeds in the enclosure, for anodal conflux disk, has position-limiting action.
As preferably, described burst disk is the bowl-shape of umbilicate type in enclosure interior, and bowl structure is conducive to reduce the technology difficulty that shell drawn or punching press form flange.
As preferably, the bottom of burst disk is a plane, and the sidewall of burst disk, in arc transition is connected to housing, has improved explosion-proof effect and the explosion-proof sensitivity of burst disk.
As preferably, the thickness of described burst disk bottom is less than the thickness of sidewall, reduces the difficulty of burst disk moulding process, improves explosion-proof sensitivity.
As preferably, described negative terminal comprises that connector and negative pole conduction draws post, connector is connected with negative pole conflux disk, negative pole conduction is drawn post and is fixed in housing, connector is made by one or more materials of copper, steel or nickel metal, negative pole conduction is drawn post and is made by pure aluminum metal material, solves the inconsistent problem that causes being difficult to carry out welding processing of positive and negative terminal material in the past.
As preferably, the negative pole of described negative terminal conduction is drawn in post and is stretched out from housing bottom.
The beneficial effects of the utility model: form burst disk by the flange on battery case, the integrated design of this battery case and burst disk, independently safe breaking device parts have been saved in the past, when guaranteeing explosion prevention function, simplified mechanical structure, saved production cost, the composite material of usining is drawn post as negative pole, makes the selection of material can accomplish that positive and negative electrode is drawn post identical, solve the technique difficult problem being difficult to aluminium strip connection, there is convenient production.
Feature of the present utility model and advantage will be elaborated by reference to the accompanying drawings by embodiment.
[accompanying drawing explanation]
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the A place enlarged drawing of Fig. 1;
Fig. 3 is the A place enlarged drawing after the utility model is broken.
In figure: 1-housing, 2-battery core, the anodal conflux disk of 3-, 4-negative pole conflux disk, 5-positive terminal, 6-negative terminal, 7-flange, 8-burst disk, 9-pad, 10-projection, 11-insulation retainer plate, 12-connector, 13-negative pole conduction are drawn post.
[embodiment]
Consult Fig. 1, Fig. 2 and Fig. 3, the utility model comprises housing 1, battery core 2, anodal conflux disk 3 and negative pole conflux disk 4, described battery core 2 is arranged at the inside of housing 1, anodal conflux disk 3 and negative pole conflux disk 4 lay respectively at the two ends of battery core 2, described anodal conflux disk 3 centers are provided with positive terminal 5, positive terminal 5 adopts pure aluminum metal material make and directly as positive pole, draw post, negative pole conflux disk 4 centers are provided with negative terminal 6, housing 1 top is provided with flange 7, flange 7 forms burst disk 8 through extending in the interior handing-over of housing 1, described burst disk 8 is connected with anodal conflux disk 3, negative terminal 6 is fixed on housing 1 bottom, negative terminal 6 adopts the copper aluminium composite terminal being welded to form by friction by aluminium and copper metal, this negative terminal 6 comprises that connector 12 and negative pole conduction draws post 13, connector 12 is connected with negative pole conflux disk 4, connector 12 is made by copper metal material, negative pole conduction is drawn post 13 and is made by pure aluminum metal material, the negative pole conduction of negative terminal 6 is drawn in post 13 and is stretched out from housing 1 bottom, the bottom of this burst disk 8 is provided with pad 9, and anodal conflux disk 3 centers are provided with projection 10, and burst disk 8 is welded on by pad 9 in the projection 10 of anodal conflux disk 3, and solder technology adopts laser welding.Between anodal conflux disk 3 and burst disk 8, be provided with insulation retainer plate 11, anodal conflux disk 3 protrusions 10 are connected with burst disk 8 through insulation retainer plate 11 is rear, the edge of insulation retainer plate 11 embeds and is fixed in housing 1, and the retainer plate 11 that now insulate has spacing effect for anodal conflux disk 3.Being shaped as of this burst disk 8 is the bowl-shape of umbilicate type, the bottom of burst disk 8 is a plane, the sidewall of burst disk 8 is in arc transition is connected to housing 1, the thickness of described burst disk 8 bottoms is less than the thickness of sidewall, and bowl structure is conducive to reduce the technology difficulty of shell drawn or punching press formation flange.
Operation principle of the present utility model: battery is in normal operation (as Fig. 1, shown in Fig. 2), burst disk 8 by flange 7 through extending to form is the bowl-shape of matrix, when inside battery fault or battery overcharge, continuous increase along with inner pressure of battery, when internal pressure reaches set point, the part of burst disk 8 bottom indents is under the effect of interior pressure, outwards instead protrude, because insulation retainer plate 11 is set between anodal conflux disk 4 and burst disk 8, this insulation retainer plate 11 has position-limiting action for anodal conflux disk 4, when burst disk 8 anti-protrusion, the bottom of burst disk 8 has an active force outward for pad, along with active force is increasing, the projection 10 of anodal conflux disk 4 and the pad 9 between burst disk 3 will disconnect (as shown in Figure 3), reach the function that safety is broken, battery container 1 and the integrated design of burst disk 3, independently safe breaking device parts have been saved in the past, saved production cost, the material that the copper aluminum metal of usining is welded is as negative terminal 6, in negative terminal 6, by the metal connector 12 of copper, be connected with negative pole conflux disk 4, the negative pole conduction of being made by pure aluminum metal is drawn post 13 and is fixed in housing 1 and stretches out from housing bottom, therefore just accomplished, negative pole is drawn post and is all aluminum metallic material, solve battery in the past and be difficult to the technique difficult problem connecting with aluminium strip, there is convenient production.
Above-described embodiment is to explanation of the present utility model, is not to restriction of the present utility model, any scheme after the utility model simple transformation is all belonged to protection range of the present utility model.
Claims (10)
1. the battery of safe breaking device is welded and had to a convenience, comprise housing (1), battery core (2), anodal conflux disk (3) and negative pole conflux disk (4), described battery core (2) is arranged at the inside of housing (1), anodal conflux disk (3) and negative pole conflux disk (4) lay respectively at the two ends of battery core (2), on described anodal conflux disk (3), be provided with positive terminal (5), positive terminal (5) adopts pure aluminum metal material to make, on negative pole conflux disk (4), be provided with negative terminal (6), it is characterized in that: housing (1) top is provided with flange (7), flange (7) joins and forms burst disk (8) in extending in housing (1), described burst disk (8) is connected with anodal conflux disk (3), negative terminal (6) is fixed on housing (1) bottom, described negative terminal (6) adopts and is bolted by least 2 kinds of metals, cross the composite terminal that tight fit or friction are welded to form, one end of negative terminal (6) is connected with negative pole conflux disk (4), the other end of negative terminal (6) stretches out from housing (1) bottom.
2. the battery of safe breaking device is welded and had to a kind of convenience as claimed in claim 1, it is characterized in that: the bottom of described burst disk (8) is provided with pad (9), and burst disk (8) is welded on anodal conflux disk (3) by pad (9).
3. the battery of safe breaking device is welded and had to a kind of convenience as claimed in claim 1, it is characterized in that: described anodal conflux disk (3) center is provided with projection (10), and described projection (10) is welded and fixed with pad (9).
4. the battery of safe breaking device is welded and had to a kind of convenience as claimed in claim 2 or claim 3, it is characterized in that: described welding adopts laser welding, ultrasonic bonding or electron beam welding.
5. the battery of safe breaking device is welded and had to a kind of convenience as claimed in claim 1, it is characterized in that: between described anodal conflux disk (3) and burst disk (8), be provided with retainer plate (11).
6. the battery of safe breaking device is welded and had to a kind of convenience as claimed in claim 1, it is characterized in that: described burst disk (8) is the bowl-shape of umbilicate type in housing (1) inside.
7. the battery of safe breaking device is welded and had to a kind of convenience as claimed in claim 6, it is characterized in that: the bottom of burst disk (8) is a plane, and the sidewall of burst disk (8) is in arc transition is connected to housing (1).
8. the battery of safe breaking device is welded and had to a kind of convenience as claimed in claim 7, it is characterized in that: the thickness of described burst disk (8) bottom is less than the thickness of sidewall.
9. the battery of safe breaking device is welded and had to a kind of convenience as claimed in claim 1, it is characterized in that: described negative terminal (6) comprises that connector (12) and negative pole conduction draws post (13), connector (12) is connected with negative pole conflux disk (4), negative pole conduction is drawn post (13) and is fixed in housing (1), connector (12) one or more materials in copper, steel or nickel are made, and negative pole conduction is drawn post (13) and made by pure aluminum material.
10. the battery of safe breaking device is welded and had to a kind of convenience as claimed in claim 9, it is characterized in that: the negative pole conduction of described negative terminal (6) is drawn in post (13) and stretched out from housing (1) bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320543520.8U CN203423228U (en) | 2013-09-02 | 2013-09-02 | Battery with convenience in welding and with safety pull-off device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320543520.8U CN203423228U (en) | 2013-09-02 | 2013-09-02 | Battery with convenience in welding and with safety pull-off device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203423228U true CN203423228U (en) | 2014-02-05 |
Family
ID=50022318
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320543520.8U Expired - Lifetime CN203423228U (en) | 2013-09-02 | 2013-09-02 | Battery with convenience in welding and with safety pull-off device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203423228U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103456914A (en) * | 2013-09-02 | 2013-12-18 | 徐敖奎 | Battery provided with a safety snap device and convenient to weld |
-
2013
- 2013-09-02 CN CN201320543520.8U patent/CN203423228U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103456914A (en) * | 2013-09-02 | 2013-12-18 | 徐敖奎 | Battery provided with a safety snap device and convenient to weld |
| CN103456914B (en) * | 2013-09-02 | 2016-05-18 | 徐敖奎 | The battery of safe breaking device is welded and had to a kind of convenience |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US20080213657A1 (en) | High Capacity Lithium Ion Secondary Battery with Metal Case | |
| US7923139B2 (en) | Secondary battery including a safety device | |
| CN109713353B (en) | Secondary battery, secondary battery assembling method, and battery module | |
| CN108461665A (en) | Secondary cell head cover and its secondary cell | |
| CN103456914B (en) | The battery of safe breaking device is welded and had to a kind of convenience | |
| CN201369353Y (en) | Novel high-rate discharge cylindrical lithium-ion battery explosion-proof cap | |
| CN103730623A (en) | End surface welding cylindrical lithium battery | |
| CN203423228U (en) | Battery with convenience in welding and with safety pull-off device | |
| CN201219111Y (en) | Lithium ion power cell | |
| CN201066701Y (en) | Lithium ion battery | |
| CN201918444U (en) | Explosion-proof cap of power-type lithium ion battery | |
| CN218039283U (en) | Negative plate and lithium metal battery | |
| CN106953035A (en) | Battery cover board assembly and the battery including the battery cover board assembly | |
| CN217507398U (en) | Lithium battery | |
| CN217158534U (en) | Explosion-proof valve, battery cover plate and battery | |
| CN214706060U (en) | Lithium battery structure and lithium battery | |
| CN101853930A (en) | Power-type lithium ion battery explosion-proof cap and manufacturing method thereof | |
| CN213425035U (en) | Tab-free battery | |
| WO2023173656A1 (en) | Battery structure assembly, battery, and electric vehicle | |
| CN201233918Y (en) | Lithium battery top cap | |
| US9899657B2 (en) | Current interruption device and electrical energy storage device using the same | |
| CN209709067U (en) | A kind of high security cylindrical lithium ion battery | |
| CN201616464U (en) | Battery cover group with low resistance | |
| CN217062306U (en) | Electrode cover plate assembly of high-current lithium battery | |
| CN215816294U (en) | Special-shaped safety tab |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: ZHONGTIAN ENERGY STORAGE TECHNOLOGY Co.,Ltd. Assignor: Xu Aokui Contract record no.: 2014330000042 Denomination of utility model: Battery provided with a safety snap device and convenient to weld Granted publication date: 20140205 License type: Exclusive License Record date: 20140317 |
|
| LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
| EC01 | Cancellation of recordation of patent licensing contract |
Assignee: ZHONGTIAN ENERGY STORAGE TECHNOLOGY Co.,Ltd. Assignor: Xu Aokui Contract record no.: 2014330000042 Date of cancellation: 20150804 |
|
| LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20160321 Address after: 313100 Changxin Economic Development Zone, Zhejiang, Huzhou Patentee after: ZHEJIANG XINGHAI ENERGY TECHNOLOGY Co.,Ltd. Address before: 313100 Zhejiang city of Huzhou province Changxing County economic and Technological Development Zone Taihu Road No. 1346 Zhejiang Xinghai Energy Technology Co. Patentee before: Xu Aokui |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140205 |