CN205211833U - Connection piece and use battery of this connection piece - Google Patents
Connection piece and use battery of this connection piece Download PDFInfo
- Publication number
- CN205211833U CN205211833U CN201521050064.9U CN201521050064U CN205211833U CN 205211833 U CN205211833 U CN 205211833U CN 201521050064 U CN201521050064 U CN 201521050064U CN 205211833 U CN205211833 U CN 205211833U
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- CN
- China
- Prior art keywords
- brace
- indentation
- battery
- unit
- tab welding
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- 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 - Fee Related
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Classifications
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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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- Connection Of Batteries Or Terminals (AREA)
Abstract
The utility model provides a connection piece and use battery of this connection piece, the connection piece sets up inside the battery, the connection piece includes at least one connection piece unit, one of connection piece unit is equipped with the indentation on the surface, the indentation will the connection piece unit divide into: utmost point post weld zone, with the welding of utmost point post, transition district and utmost point ear weld zone, wherein transition district connect in utmost point post weld zone with between the utmost point ear weld zone, utmost point ear weld zone with the welding of utmost point ear. The utility model discloses a connection piece simple structure, antipodal ear plays the guard action to the guard action that overflow fusing is played electric core.
Description
Technical field
The utility model relates to battery production and manufactures field, particularly a kind of brace and use the battery of this brace.
Background technology
The using and relying on battery along with all kinds of portable type electronic product and powered vehicle, the popular stability to battery, fail safe propose requirements at the higher level.The wherein structure of inside battery brace, plays an important role to battery security with for electrical stability.But complicated brace structure not only increases battery production cost, too increases assembly difficulty, reduces cell integrated stability.
Prior art generally adopts down " U " shape or inverted "L" shaped sheet metal are as inside battery brace.Its effect is single, only plays the effect of On current; Simultaneously in battery use procedure, when x-axis or y-axis direction double vibrations, lug and brace, brace and the under tension effect of pole Jian Hanyin district, very easily damage lug and brace, loose contact even open circuit can be caused time serious, cause battery cannot discharge and recharge and losing efficacy.
Utility model content
The technical problems to be solved in the utility model is the defect producing damage in order to overcome lug or brace in prior art due to vibration, provide a kind of structure simple, there is the brace of protection lug and overcurrent fusing effect and use the battery of this brace.
The utility model solves above-mentioned technical problem by following technical proposals:
A kind of brace, be arranged at inside battery, described battery also comprises pole, lug and battery core, and described brace comprises at least one brace unit, and one of described brace unit is provided with impression on the surface, and described brace unit is divided into by described impression:
Pole weld zone, welds with described pole;
Transition region and tab welding district, wherein said transition region is connected between described pole weld zone and described tab welding district, described tab welding district and described tab welding.
Preferably, described brace unit is along described impression bending forming, and after bending forming, described pole weld zone is perpendicular to described tab welding district.
Preferably, described impression is " Y " shape, the lower surface of described transition region connects with the lower surface of described pole weld zone, described tab welding district is perpendicular to described transition region and described pole weld zone, formation two conduplication sides are rolled over backward along described impression by described tab welding district, and described lug sandwiches in described two conduplication sides by described brace unit.
Preferably, axisymmetricly, the shape of described transition region is the positive right-angled triangle that two base angles are connected to described impression, and the width of described two conduplication sides is identical.
Preferably, another of described brace unit is carved with an indentation on the surface, and between the lower surface of described indentation in described pole weld zone and the lower surface in described tab welding district, the surperficial complete parttion of described brace unit is two regions by described indentation.
Preferably, described brace is rectangle, and the shape of described indentation is "-" shape, and described indentation is perpendicular to the long limit of described brace, and the length of described indentation is identical with the width of described brace.
Preferably, the depth calculation formula of described indentation is:
Wherein M is the degree of depth of described indentation, D is the thickness of described brace, W is the width of described brace, Amax is the blowout current of described battery, X is the quantity of described battery core, S is the unit are maximum carrying capacity of the material of described brace, and Y is the number of plies that described brace comprises, and k is temperature coefficient.
Preferably, described brace is made up of the sheet metal of single or multiple lift, described sheet metal is mutually permanently connected, and the material of described sheet metal is a kind of metal in copper, aluminium, iron, nickel, silver, manganese, magnesium and silicon, and described sheet metal thickness is 0.1 ~ 2.0mm.
Preferably, when described battery core is single battery core, described brace unit is one; When described battery core is many battery cores, the quantity of described brace unit is corresponding multiple, the described transition region of adjacent described brace unit is separated by line of cut, and the described tab welding district of simultaneously adjacent described brace unit is also separated by line of cut.
The utility model also provides a kind of battery, described battery brace as above.
Positive progressive effect of the present utility model is:
(1) brace structure is simple, cost is low, be convenient to batch production;
(2) only need simply along impression bending and plastic use, Multi-step forming, cutting etc. need not operate and reduce metallic bur power, chip generation, avoiding causing harmful effect to battery;
(3) lug sandwiches in two conduplication sides in tab welding district by brace completely, plays the effect of protection lug, prevents lug or brace damage;
(4) indentation has overcurrent fusing effect, namely when electric current meets the requirements of blow-out current value, produce heat by indentation place fusing disconnect, battery core is played to the effect of open circuit protection.
Accompanying drawing explanation
Fig. 1 is the structural representation of the brace of the utility model one preferred embodiment, stacked single battery core and battery cover.
Fig. 2 is the structural representation of brace in Fig. 1.
Fig. 3 is a schematic surface of brace in Fig. 1.
Fig. 4 is another schematic surface of brace in Fig. 1.
Fig. 5 is the structural representation of the brace of the utility model one preferred embodiment, takeup type list battery core and battery cover.
Fig. 6 is the structural representation of the brace of the utility model one preferred embodiment, the two battery core of takeup type and battery cover.
Fig. 7 is the structural representation of two battery core brace in Fig. 6.
Fig. 8 is a schematic surface of two battery core brace in Fig. 6.
Fig. 9 is another schematic surface of two battery core brace in Fig. 6.
Description of reference numerals:
Brace 1
" Y " shape impression 11
"-" shape indentation 12
Pole weld zone 13
Transition region 14
Tab welding district 15
Line of cut 16
Lug 2
Pole 3
Battery cover 4
Stacked single battery core 5
Takeup type list battery core 6
The two battery core 7 of takeup type
Embodiment
Lift preferred embodiment below, and come by reference to the accompanying drawings clearlyer intactly the utility model to be described.
Incorporated by reference to Fig. 1,2, Fig. 3, Fig. 4 and Fig. 5 understood, present embodiments provide a kind of single battery core brace 1, the shape of single battery core brace 1 is rectangle, single battery core brace 1 is made up of a brace unit, one of brace unit is provided with an impression 11 on the surface, impression 11 is " Y " shape and axisymmetricly, in other embodiments, impression 11 may not be axial symmetry.Brace unit is divided into by impression 11: pole weld zone 13, transition region 14 and tab welding district 15, and pole weld zone 13 welds with pole 3, and transition region 14 is connected between pole weld zone 13 and tab welding district 15, and tab welding district 15 welds with lug 2.
By brace unit along impression 11 bending forming, after bending forming, the lower surface of transition region 14 connects with the lower surface of pole weld zone 13, the shape of transition region 14 is the positive right-angled triangle that two base angles are connected, tab welding district 15 is perpendicular to transition region 14, and lug 2 sandwiches in two conduplication sides by tab welding district 15 backward doubling completely.
Another of brace unit is carved with an indentation 12 on the surface, and the shape of indentation 12 is "-" shape, and indentation 12 is perpendicular to the long limit of single battery core brace 1, and the length of indentation 12 is identical with the width of single battery core brace 1.The surface longitudinal complete parttion of single battery core brace 1 is two regions by indentation 12.In other embodiments, indentation 12 also can be oblique line.
Single battery core brace 1 is made up of the sheet metal (not indicating in figure) of single or multiple lift, and described sheet metal is mutually permanently connected.The material of described sheet metal is a kind of metal in copper, aluminium, iron, nickel, silver, manganese, magnesium and silicon.Described sheet metal thickness is 0.1 ~ 2.0mm.The shape of brace 1 is rectangle, in other embodiments, also can be irregularly shaped.
When embodiment is two battery core brace, understood incorporated by reference to Fig. 6, Fig. 7, Fig. 8 and Fig. 9, two battery core brace is made up of two brace unit, there is " Y " shape impression 11 on each brace unit one surface, there is a "-" shape indentation 12 on another surface, cut open along the transition region 14 of line of cut 16 by two brace unit of two battery core brace 1, and the tab welding district 15 of two brace unit is also cut open, the shape of two battery core brace 1 is " recessed " font sheet metal of disjunctor.By two battery core brace 1 along impression 11, indentation 12 respectively to interior, bent outward foldable type, the lower surface of the transition region 14 of each brace unit connects with the lower surface of pole weld zone 13, the shape of transition region 14 is the positive right-angled triangle that two base angles are connected, tab welding district 15 is perpendicular to transition region 14, and lug 2 sandwiches in two conduplication sides by tab welding district 15 backward doubling completely.
When above-described embodiment is applied in battery, single battery core brace and stacked single battery core 5 or takeup type list battery core 6 with the use of, two battery core brace and the two battery core 7 of takeup type or the stacked pair of battery core (not indicating in figure) with the use of.
The depth calculation formula of indentation 12 is:
Wherein M is the degree of depth of indentation, and D is the thickness of brace, and W is the width of brace, and Amax is the blowout current of battery, and X is the quantity of battery core, and S is the unit are maximum carrying capacity of the material of brace, and Y is the number of plies that brace comprises, and k is temperature coefficient.
The embodiment specifically calculated for two below.
Embodiment 1: single battery core individual layer copper brace
Understood incorporated by reference to Fig. 2, Fig. 3 and Fig. 4, the brace in the present embodiment is a rectangle single-layer metal copper sheet, and the width of nick of this brace is:
Wherein N is the degree of depth of indentation, and D is the thickness of brace, and W is the width of brace, and Imax is the blowout current of battery, and S is metallic copper unit are maximum carrying capacity, and k is temperature coefficient.
Wherein, Imax invests concrete numerical value according to battery capacity, the required maximum current passed through, S is by decisions such as bronze medal number (purity), specifications (sheet, block or cylinder and length and width or diameter), and k is determined by factors such as residing ambient temperatures.
Embodiment 2: two battery core three layers of aluminium brace
Understood incorporated by reference to Fig. 7, Fig. 8 and Fig. 9, brace in the present embodiment is a rectangle three-layer metal aluminium flake, there are 2 " Y " shape impressions 11 on one surface, and there is a "-" shape indentation 12 on another surface, along line of cut 16, brace is cut into " recessed " font sheet metal of disjunctor.Along impression 11, indentation 12 respectively to interior, bent outward foldable type, upper strata is pole weld zone 13, and lower floor is tab welding district 15, and middle level transition region 14 is become by four positive right angle triangular.The width of nick of this brace is:
Wherein M is the degree of depth of indentation, and D is the thickness of brace, and W is the width of brace, and Amax is the blowout current of battery, and 2 is the quantity of battery core, and S is metallic aluminium unit are maximum carrying capacity, 3 numbers of plies comprised for brace, and k is temperature coefficient.
Wherein, Amax invests concrete numerical value according to battery capacity, the required maximum current passed through, S is by decisions such as the aluminium trade mark (purity), specifications (sheet, block or cylinder and length and width or diameter), and k is determined by factors such as residing ambient temperatures.
Although the foregoing describe embodiment of the present utility model, it will be understood by those of skill in the art that this only illustrates, protection range of the present utility model is defined by the appended claims.Those skilled in the art, under the prerequisite not deviating from principle of the present utility model and essence, can make various changes or modifications to these execution modes, but these change and amendment all falls into protection range of the present utility model.
Claims (10)
1. a brace, is arranged at inside battery, and described battery also comprises pole, lug and battery core, it is characterized in that, described brace comprises at least one brace unit, and one of described brace unit is provided with impression on the surface, and described brace unit is divided into by described impression:
Pole weld zone, welds with described pole;
Transition region and tab welding district, wherein said transition region is connected between described pole weld zone and described tab welding district, described tab welding district and described tab welding.
2. brace as claimed in claim 1, it is characterized in that, described brace unit is along described impression bending forming, and after bending forming, described pole weld zone is perpendicular to described tab welding district.
3. brace as claimed in claim 2, it is characterized in that, described impression is " Y " shape, the lower surface of described transition region connects with the lower surface of described pole weld zone, described tab welding district is perpendicular to described transition region and described pole weld zone, formation two conduplication sides are rolled over backward along described impression by described tab welding district, and described lug sandwiches in described two conduplication sides by described brace unit.
4. brace as claimed in claim 3, is characterized in that, axisymmetricly, the shape of described transition region is the positive right-angled triangle that two base angles are connected to described impression, and the width of described two conduplication sides is identical.
5. brace as claimed in claim 1, it is characterized in that, another of described brace unit is carved with an indentation on the surface, between the lower surface of described indentation in described pole weld zone and the lower surface in described tab welding district, the surperficial complete parttion of described brace unit is two regions by described indentation.
6. brace as claimed in claim 5, it is characterized in that, described brace is rectangle, and the shape of described indentation is "-" shape, and described indentation is perpendicular to the long limit of described brace, and the length of described indentation is identical with the width of described brace.
7. brace as claimed in claim 5, it is characterized in that, the depth calculation formula of described indentation is:
Wherein M is the degree of depth of described indentation, D is the thickness of described brace, W is the width of described brace, Amax is the blowout current of described battery, X is the quantity of described battery core, S is the unit are maximum carrying capacity of the material of described brace, and Y is the number of plies that described brace comprises, and k is temperature coefficient.
8. brace as claimed in claim 1, it is characterized in that, described brace is made up of the sheet metal of single or multiple lift, described sheet metal is mutually permanently connected, the material of described sheet metal is a kind of metal in copper, aluminium, iron, nickel, silver, manganese, magnesium and silicon, and described sheet metal thickness is 0.1 ~ 2.0mm.
9. brace as claimed in claim 1, it is characterized in that, when described battery core is single battery core, described brace unit is one; When described battery core is many battery cores, the quantity of described brace unit is corresponding multiple, the described transition region of adjacent described brace unit is separated by line of cut, and the described tab welding district of simultaneously adjacent described brace unit is also separated by line of cut.
10. a battery, is characterized in that, described battery is as the brace in claim 1-9 as described in any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521050064.9U CN205211833U (en) | 2015-12-14 | 2015-12-14 | Connection piece and use battery of this connection piece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521050064.9U CN205211833U (en) | 2015-12-14 | 2015-12-14 | Connection piece and use battery of this connection piece |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205211833U true CN205211833U (en) | 2016-05-04 |
Family
ID=55849532
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521050064.9U Expired - Fee Related CN205211833U (en) | 2015-12-14 | 2015-12-14 | Connection piece and use battery of this connection piece |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205211833U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107799713A (en) * | 2016-08-31 | 2018-03-13 | 三洋电机株式会社 | Rectangular secondary cell |
| CN108878756A (en) * | 2018-06-28 | 2018-11-23 | 郑州正方科技有限公司 | Battery confluence connecting plate |
| WO2019205005A1 (en) * | 2018-04-25 | 2019-10-31 | 深圳市瑞德丰精密制造有限公司 | Process for forming connecting sheet to be side-soldered |
| CN112864540A (en) * | 2021-01-12 | 2021-05-28 | 惠州亿纬锂能股份有限公司 | Lithium ion battery and application thereof |
| WO2022047791A1 (en) * | 2020-09-07 | 2022-03-10 | 宁德时代新能源科技股份有限公司 | Battery cell, battery, and power consuming device |
-
2015
- 2015-12-14 CN CN201521050064.9U patent/CN205211833U/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107799713A (en) * | 2016-08-31 | 2018-03-13 | 三洋电机株式会社 | Rectangular secondary cell |
| CN107799713B (en) * | 2016-08-31 | 2022-04-15 | 三洋电机株式会社 | Square secondary battery |
| WO2019205005A1 (en) * | 2018-04-25 | 2019-10-31 | 深圳市瑞德丰精密制造有限公司 | Process for forming connecting sheet to be side-soldered |
| CN108878756A (en) * | 2018-06-28 | 2018-11-23 | 郑州正方科技有限公司 | Battery confluence connecting plate |
| CN108878756B (en) * | 2018-06-28 | 2023-12-19 | 郑州正方科技有限公司 | Battery confluence connecting plate |
| WO2022047791A1 (en) * | 2020-09-07 | 2022-03-10 | 宁德时代新能源科技股份有限公司 | Battery cell, battery, and power consuming device |
| CN115066802A (en) * | 2020-09-07 | 2022-09-16 | 宁德时代新能源科技股份有限公司 | Battery cell, battery and power consumption device |
| AU2020466884B2 (en) * | 2020-09-07 | 2023-08-24 | Contemporary Amperex Technology Co., Limited | Battery cell, battery, and power consuming device |
| CN112864540A (en) * | 2021-01-12 | 2021-05-28 | 惠州亿纬锂能股份有限公司 | Lithium ion battery and application thereof |
| CN112864540B (en) * | 2021-01-12 | 2023-11-03 | 惠州亿纬锂能股份有限公司 | Lithium ion battery and application thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160504 Termination date: 20211214 |