CN1901252A - Battery connection sheet and battery group using said battery connection sheet - Google Patents
Battery connection sheet and battery group using said battery connection sheet Download PDFInfo
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- CN1901252A CN1901252A CNA2005100843287A CN200510084328A CN1901252A CN 1901252 A CN1901252 A CN 1901252A CN A2005100843287 A CNA2005100843287 A CN A2005100843287A CN 200510084328 A CN200510084328 A CN 200510084328A CN 1901252 A CN1901252 A CN 1901252A
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- fragment
- tongue
- groove
- cell connector
- circular arc
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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)
- Battery Mounting, Suspending (AREA)
Abstract
The battery connecting plates provided in this invention are metal plates, in which, a same side of said plates has longitudinal recesses at one end or the middle of the connecting plate and protruding slots at the middle or an end of the plates, since the connecting plates are at a compressed contact state, the battery set using this invented connection plate is not loosen.
Description
Technical field
The present invention relates to cell connector and use the battery pack of this cell connector.
Background technology
In the prior art, adopt of the brace of battery is threaded more, uses nut check after brace is inserted in pole.As shown in Figure 1, in the common connected mode of existing brace, brace 102 is microscler sheet metal plate, and respectively there is a hole on both sides, are used for brace 102 is enclosed within pole 103; Brace 102 is fixed on the pole 103 of battery by 2 hold-down nuts 101, wherein pole 103 has the groove that meshes with hold-down nut.Use the major defect of existing brace to be: 1, loading and unloading are inconvenient, when clamp nut, make pole loosening or come off and damage battery easily, the Tightening moment of double thread has strict requirement, can make the brace distortion if moment is excessive, brace can not contact well with pole if moment is too small; 2, because battery in use frequently shakes, and existing thread connecting mode is loosening easily, influence the life-span of battery.
Summary of the invention
The objective of the invention is to overcome inconvenient, the loosening shortcoming easily of existing cell connector loading and unloading, provide a kind of easy to loading and unloading, be difficult for loosening cell connector and use the battery pack of this cell connector.
Cell connector provided by the invention is a sheet metal plate, wherein, the same side of described cell connector has groove and tongue longitudinally, described tongue is positioned at the middle part of cell connector and the end that described groove is positioned at cell connector, and perhaps described groove is positioned at the middle part of cell connector and the end that described tongue is positioned at cell connector.
Battery pack provided by the invention comprises two batteries and two cell connectors, described battery comprises battery case, battery electrode column, described cell connector is a sheet metal plate, wherein, the same side of described cell connector has groove and tongue longitudinally, described tongue is positioned at the middle part of cell connector and the end that described groove is positioned at cell connector, and perhaps described groove is positioned at the middle part of cell connector and the end that described tongue is positioned at cell connector; Battery electrode column is a cylinder, and the one section cylindrical cross section radius that is equivalent to the cell connector width on battery electrode column is vertical is less than other parts, and the difference of cross section radius is more than or equal to the thickness sum of described two cell connectors; The engagement of the groove of a cell connector and the tongue of another cell connector, and be fitted in respectively on one section less cylinder of the described cross section radius of two battery electrode columns.
Because cell connector is in the good contact condition that compresses always, therefore use the battery pack of cell connector assembling of the present invention to be difficult for becoming flexible, and also easy to loading and unloading.
Description of drawings
Fig. 1 represents the common connected mode of existing brace;
Fig. 2 is the schematic diagram of expression cell connector provided by the invention;
Fig. 3 is the schematic diagram of the structure of expression battery electrode column of the present invention;
Fig. 4 is the schematic diagram that the process of cell connector assemble group of the present invention is used in expression;
Fig. 5 is the schematic diagram that the battery pack of cell connector assembling of the present invention is used in expression.
Embodiment
Below in conjunction with accompanying drawing the present invention is described in more detail.
Shown in Fig. 2 a, cell connector 201 provided by the invention is a sheet metal plate, wherein, the same side of described cell connector 201 has groove 202 and tongue 203 longitudinally longitudinally, described tongue 203 is positioned at the middle part of cell connector 201, and described groove 202 is positioned at an end of cell connector 201.
Following description is the middle part that is positioned at cell connector 201 with tongue 203, the end that described groove 202 is positioned at cell connector 201 is an example, but, those skilled in the art is to be understood that, described groove can be positioned at the middle part of cell connector, and described tongue is positioned at an end of cell connector.
Under the preferable case, have voltage sample connection plug 204, can in the battery use, carry out real-time sampling, monitoring voltage to battery easily like this, to grasp the operating position of battery at cell connector 201 other ends.
The material of described cell connector 201 is not particularly limited, and can be the metal of various conductions, considers the character such as conductivity, hardness, intensity of cell connector, is preferably red copper.The size of cell connector 201 does not have concrete restriction, can adjust according to actual needs, and for example the length of cell connector 201 is the 25-60 millimeter, is preferably the 35-50 millimeter; Width is the 8-20 millimeter, is preferably the 10-1 millimeter; Thickness is the 1-3 millimeter, is preferably the 1.2-2.5 millimeter.
Described groove 202 is positioned at an end of cell connector 201, and the number of groove 202 is not specifically limited, and for example can be 1-10, is preferably 2-6; A plurality of grooves 202 preferably closely are arranged in together; The size of described groove 202 does not have concrete restriction, can adjust according to actual needs, and for example the length of groove 202 preferably equals the width of cell connector 201; The degree of depth of groove is the 0.05-0.3 millimeter, is preferably the 0.1-0.2 millimeter; Width is the 0.05-0.3 millimeter, is preferably the 0.1-0.2 millimeter.
Described tongue 203 is positioned at the middle part of cell connector 201, and the distance between tongue 203 centers and groove 201 centers is 1 with the ratio of cell connector 201 total lengths: 4-3: 4, be preferably 1: 3-2: 3; The number of tongue 203 is not specifically limited, and for example can be 1-10, is preferably 2-6; A plurality of tongues 203 preferably closely are arranged in together; The size of described tongue 203 does not have concrete restriction, can adjust according to actual needs, and for example the length of tongue 203 preferably equals the width of cell connector 201; The height of groove rib is the 0.05-0.3 millimeter, is preferably the 0.1-0.2 millimeter; Width is the 0.05-0.3 millimeter, is preferably the 0.1-0.2 millimeter.Distance between tongue described herein 203 centers and groove 201 centers is meant the distance before cell connector 201 folds.
Need to prove that when the groove number was 1, described groove center was meant the mid point of this groove groove, when the groove number greater than 1 the time, described groove center is meant the mid point of the line segment between the mid point of two groove grooves on the limit; When the tongue number was 1, described tongue center was meant the mid point of this tongue groove rib, when the tongue number greater than 1 the time, described tongue center is meant the mid point of the line segment between the mid point of two tongue groove ribs on the limit.
In use, cell connector 201 is folded into structure shown in Fig. 2 b, and cell connector 201 comprises five fragments: the fragment between the fragment between groove fragment, tongue fragment, circular arc fragment 205, groove fragment and the tongue fragment, circular arc fragment 205 and the tongue fragment; The groove fragment is parallel with the tongue fragment; The angle of the fragment between groove fragment and groove fragment and the tongue fragment less than 180 degree, is preferably the 110-160 degree greater than 90 degree; Under the preferable case, the tongue fragment is perpendicular to the fragment between circular arc fragment 205 and the tongue fragment, and the line between the arc core of tongue center and circular arc 205 is perpendicular to the tongue fragment.Under the preferable case, cell connector 201 also comprises a voltage sample connection plug fragment.In this case, described cell connector comprises fragment, circular arc fragment, the voltage sample connection plug fragment between fragment, tongue fragment, circular arc fragment 205 and the tongue fragment between groove fragment, groove fragment and the tongue fragment successively.Need to prove that groove fragment described herein, tongue fragment, voltage sample connection plug fragment are not to be meant groove, tongue or voltage sample connection plug self, and are meant one section metallic plate at groove, tongue or voltage sample connection plug place.
Be positioned at the middle part of cell connector at described groove, and described tongue is positioned under the situation of an end of cell connector, and described cell connector comprises five fragments: the fragment between the fragment between tongue fragment, groove fragment, circular arc fragment, tongue fragment and the groove fragment, circular arc fragment and the groove fragment; The groove fragment is parallel with the tongue fragment; The angle of the fragment between tongue fragment and tongue fragment and the groove fragment less than 180 degree, is preferably the 110-160 degree greater than 90 degree; Under the preferable case, the groove fragment is perpendicular to the fragment between circular arc fragment and the groove fragment, and the line between the arc core of groove center and circular arc is perpendicular to the groove fragment.Under the preferable case, cell connector 201 also comprises a voltage sample connection plug fragment.In this case, described cell connector comprises fragment, circular arc fragment, the voltage sample connection plug fragment between fragment, groove fragment, circular arc fragment and the groove fragment between tongue fragment, tongue fragment and the groove fragment successively.
Battery pack provided by the invention comprises two batteries and two cell connectors, and described battery comprises battery case, battery electrode column.Battery can use various batteries, and its composition has been conventionally known to one of skill in the art.Battery pack of the present invention only has special requirement to the structure of battery electrode column, promptly as shown in Figure 3, battery electrode column 301 is a cylinder, battery electrode column 301 vertically on be equivalent to the cross section radius of one section cylinder 302 of cell connector width less than other parts, and the difference of cross section radius is more than or equal to the thickness of described cell connector, be preferably greater than the thickness sum that equals described two cell connectors, prevent that like this cell connector from use trying to shirk responsibility from one section cylinder 302 of battery electrode column 301.
As shown in Figure 4, when the assemble group, earlier one of them cell connector 201 is enclosed within on 301 1 sections cylinders 302 of battery electrode column, another cell connector 201 firmly is pressed into from direction as shown can finishes assembling again.When dismounting, need only pull out and get final product with the power opposite with being pressed into direction.Wherein, before assembling, at first two cell connectors 201 are folded into the structure shown in Fig. 2 b respectively, cell connector 201 comprises five fragments: the fragment between the fragment between groove fragment, tongue fragment, circular arc fragment 205, groove fragment and the tongue fragment, circular arc fragment 205 and the tongue fragment; The groove fragment is parallel with the tongue fragment; The angle of the fragment between groove fragment and groove fragment and the tongue fragment less than 180 degree, is preferably the 110-160 degree greater than 90 degree; Under the preferable case, the tongue fragment is perpendicular to the fragment between circular arc fragment 205 and the tongue fragment, and the line between the arc core of tongue center and circular arc 205 is perpendicular to the tongue fragment; Vertical range between plane, groove fragment place and the plane, tongue fragment place equals the diameter of section of one section less cylinder 302 of the described cross section radius of pole 301 and the thickness sum of two cell connectors 201, and the groove center of same cell connector 201 and the distance between the tongue center square equal distance between two pole centers square and plane, groove fragment place and plane, tongue fragment place between square sum of distance.Under the preferable case, cell connector 201 also comprises a voltage sample connection plug fragment.In this case, described cell connector comprises fragment, circular arc fragment, the voltage sample connection plug fragment between fragment, tongue fragment, circular arc fragment 205 and the tongue fragment between groove fragment, groove fragment and the tongue fragment successively.Distance between tongue described herein center and the groove center is meant the distance after cell connector is folding.
Be positioned at the middle part of cell connector at described groove, and described tongue is positioned under the situation of an end of cell connector, and described cell connector comprises five fragments: the fragment between the fragment between tongue fragment, groove fragment, circular arc fragment, tongue fragment and the groove fragment, circular arc fragment and the groove fragment; The groove fragment is parallel with the tongue fragment; The angle of the fragment between tongue fragment and tongue fragment and the groove fragment less than 180 degree, is preferably the 110-160 degree greater than 90 degree; Under the preferable case, the groove fragment is perpendicular to the fragment between circular arc fragment and the groove fragment, and the line between the arc core of groove center and circular arc is perpendicular to the groove fragment; Vertical range between plane, tongue fragment place and the plane, groove fragment place equals the one section less cylindrical diameter of section of the described cross section radius of pole and the thickness sum of two cell connectors, and the groove center of same cell connector and the distance between the tongue center square equal distance between two pole centers square and plane, tongue fragment place and plane, groove fragment place between square sum of distance.Under the preferable case, cell connector also comprises a voltage sample connection plug fragment.In this case, described cell connector comprises fragment, circular arc fragment, the voltage sample connection plug fragment between fragment, groove fragment, circular arc fragment and the groove fragment between tongue fragment, tongue fragment and the groove fragment successively.
Fig. 5 represents to use the battery pack of cell connector assembling of the present invention.As shown in the figure, after assembling was finished, the circular arc fragment 205 of two cell connectors 201 was enclosed within respectively on 301 1 sections cylinder 302 (not shown)s of two battery electrode columns; The groove 202 of a cell connector 201 and tongue 203 respectively with the tongue 203 of another cell connector 201 and groove 202 engagements, and be fitted on 301 1 sections cylinders 302 of battery electrode column; The voltage sample connection plug 204 of two cell connectors 201 can be used for carrying out voltage sample.Zhuan Pei battery pack is easy to dismounting, is difficult for loosening and is convenient to sampling like this.
Claims (18)
1, a kind of cell connector, this cell connector is a sheet metal plate, it is characterized in that, the same side of described cell connector has groove and tongue longitudinally, described tongue is positioned at the middle part of cell connector and the end that described groove is positioned at cell connector, and perhaps described groove is positioned at the middle part of cell connector and the end that described tongue is positioned at cell connector.
2, cell connector according to claim 1, wherein, the distance between groove center and the tongue center is 1 with the ratio of cell connector total length: 4-3: 4.
3, cell connector according to claim 1, wherein, the distance between described groove center and the tongue center is 1 with the ratio of cell connector total length: 3-2: 3.
4, cell connector according to claim 1, wherein, the other end of described cell connector has the voltage sample connection plug.
5, cell connector according to claim 1, wherein, the material of described cell connector is a red copper.
6, cell connector according to claim 1, wherein, the number of described groove is 1-10,, the number of described tongue is 1-10.
7, method according to claim 5, wherein, the number of described groove is 2-6; The number of described tongue is 2-6.
8, cell connector according to claim 1, wherein, described cell connector comprises five fragments: the fragment between the fragment between groove fragment, tongue fragment, circular arc fragment, groove fragment and the tongue fragment, circular arc fragment and the tongue fragment; The groove fragment is parallel with the tongue fragment; The angle of the fragment between groove fragment and groove fragment and the tongue fragment is the 110-160 degree; The tongue fragment is perpendicular to the fragment between circular arc fragment and the tongue fragment, and the line between the arc core of tongue center and circular arc is perpendicular to the tongue fragment.
9, cell connector according to claim 8, wherein, described cell connector also comprises a voltage sample connection plug fragment, and described cell connector comprises fragment, circular arc fragment, the voltage sample connection plug fragment between fragment, tongue fragment, circular arc fragment and the tongue fragment between groove fragment, groove fragment and the tongue fragment successively.
10, cell connector according to claim 1, wherein, described cell connector comprises five fragments: the fragment between the fragment between tongue fragment, groove fragment, circular arc fragment, tongue fragment and the groove fragment, circular arc fragment and the groove fragment; The groove fragment is parallel with the tongue fragment; The angle of the fragment between tongue fragment and tongue fragment and the groove fragment is the 110-160 degree; The groove fragment is perpendicular to the fragment between circular arc fragment and the groove fragment, and the line between the arc core of groove center and circular arc is perpendicular to the groove fragment.
11, cell connector according to claim 10, wherein, described cell connector also comprises a voltage sample connection plug fragment, and described cell connector comprises fragment, circular arc fragment, the voltage sample connection plug fragment between fragment, groove fragment, circular arc fragment and the groove fragment between tongue fragment, tongue fragment and the groove fragment successively.
12, a kind of battery pack, this battery pack comprises two batteries and two cell connectors, described battery comprises battery case, battery electrode column, described cell connector is a sheet metal plate, wherein, the same side of described cell connector has groove and tongue longitudinally, and described tongue is positioned at the middle part of cell connector and the end that described groove is positioned at cell connector, and perhaps described groove is positioned at the middle part of cell connector and the end that described tongue is positioned at cell connector; Battery electrode column is a cylinder, and the one section cylindrical cross section radius that is equivalent to the cell connector width on battery electrode column is vertical is less than other parts, and the difference of cross section radius is more than or equal to the thickness of described cell connector; The engagement of the groove of a cell connector and the tongue of another cell connector, and be fitted in respectively on one section less cylinder of the described cross section radius of two battery electrode columns.
13, battery pack according to claim 12, wherein, the difference of described cross section radius is more than or equal to the thickness sum of described two cell connectors.
14, battery pack according to claim 12, wherein, described cell connector comprises five fragments: the fragment between the fragment between groove fragment, tongue fragment, circular arc fragment, groove fragment and the tongue fragment, circular arc fragment and the tongue fragment; The groove fragment is parallel with the tongue fragment; The angle of the fragment between groove fragment and groove fragment and the tongue fragment is the 110-160 degree, and the tongue fragment is perpendicular to the fragment between circular arc fragment and the tongue fragment, and the line between the arc core of tongue center and circular arc is perpendicular to the tongue fragment; Vertical range between plane, groove fragment place and the plane, tongue fragment place equals the one section less cylindrical diameter of section of the described cross section radius of pole and the thickness sum of two cell connectors, and the groove center of same cell connector and the distance between the tongue center square equal distance between two pole centers square and plane, groove fragment place and plane, tongue fragment place between square sum of distance.
15, battery pack according to claim 14, wherein, described cell connector also comprises a voltage sample connection plug fragment, and described cell connector comprises fragment, circular arc fragment, the voltage sample connection plug fragment between fragment, tongue fragment, circular arc fragment and the tongue fragment between groove fragment, groove fragment and the tongue fragment successively.
16, battery pack according to claim 12, wherein, described cell connector comprises five fragments: the fragment between the fragment between tongue fragment, groove fragment, circular arc fragment, tongue fragment and the groove fragment, circular arc fragment and the groove fragment; The groove fragment is parallel with the tongue fragment; The angle of the fragment between tongue fragment and tongue fragment and the groove fragment is the 110-160 degree, and the groove fragment is perpendicular to the fragment between circular arc fragment and the groove fragment, and the line between the arc core of groove center and circular arc is perpendicular to the groove fragment; Vertical range between plane, tongue fragment place and the plane, groove fragment place equals the one section less cylindrical diameter of section of the described cross section radius of pole and the thickness sum of two cell connectors, and the groove center of same cell connector and the distance between the tongue center square equal distance between two pole centers square and plane, tongue fragment place and plane, groove fragment place between square sum of distance.
17, battery pack according to claim 16, wherein, described cell connector also comprises a voltage sample connection plug fragment, and described cell connector comprises fragment, circular arc fragment, the voltage sample connection plug fragment between fragment, groove fragment, circular arc fragment and the groove fragment between tongue fragment, tongue fragment and the groove fragment successively.
18, according to claim 14 or 16 described battery pack, wherein, the circular arc fragment of described two cell connectors is enclosed within respectively on one section less cylinder of two described cross section radiuses of battery electrode column.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200510084328A CN1901252B (en) | 2005-07-18 | 2005-07-18 | Battery connection sheet and battery group using said battery connection sheet |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200510084328A CN1901252B (en) | 2005-07-18 | 2005-07-18 | Battery connection sheet and battery group using said battery connection sheet |
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| Publication Number | Publication Date |
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| CN1901252A true CN1901252A (en) | 2007-01-24 |
| CN1901252B CN1901252B (en) | 2010-05-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN200510084328A Active CN1901252B (en) | 2005-07-18 | 2005-07-18 | Battery connection sheet and battery group using said battery connection sheet |
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| CN (1) | CN1901252B (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101640260A (en) * | 2009-01-23 | 2010-02-03 | 松下能源(无锡)有限公司 | Battery terminal piece and battery pack with same |
| US7902727B1 (en) | 2009-08-11 | 2011-03-08 | Hong Kong Applied Science And Technology Research Institute Co. Ltd. | Apparatus and method for generating electricity using piezoelectric material |
| CN102315410A (en) * | 2011-09-02 | 2012-01-11 | 江苏天鹏电源有限公司 | Chargeable cell bag |
| CN103999256A (en) * | 2011-10-13 | 2014-08-20 | Avl里斯脱有限公司 | Electrical energy accumulator |
| CN109638220A (en) * | 2018-11-26 | 2019-04-16 | 蚌埠南实科技有限公司 | A kind of punching type bulk electrode piece and preparation method thereof |
| US20230238673A1 (en) * | 2022-01-25 | 2023-07-27 | Eve Power Co., Ltd. | Connector of large cylindrical battery, battery module and battery pack |
| WO2023142586A1 (en) * | 2022-01-25 | 2023-08-03 | 湖北亿纬动力有限公司 | Large cylindrical battery connecting sheet, battery module and battery pack |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08171896A (en) * | 1994-12-16 | 1996-07-02 | Matsushita Electric Ind Co Ltd | Manufacture of pack battery |
| CN2593374Y (en) * | 2002-12-10 | 2003-12-17 | 刘振 | Electrode terminal structure with low resistance for battery |
-
2005
- 2005-07-18 CN CN200510084328A patent/CN1901252B/en active Active
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101640260A (en) * | 2009-01-23 | 2010-02-03 | 松下能源(无锡)有限公司 | Battery terminal piece and battery pack with same |
| CN101640260B (en) * | 2009-01-23 | 2013-09-04 | 松下能源(无锡)有限公司 | Battery terminal piece and battery pack with same |
| US7902727B1 (en) | 2009-08-11 | 2011-03-08 | Hong Kong Applied Science And Technology Research Institute Co. Ltd. | Apparatus and method for generating electricity using piezoelectric material |
| CN102315410A (en) * | 2011-09-02 | 2012-01-11 | 江苏天鹏电源有限公司 | Chargeable cell bag |
| CN103999256A (en) * | 2011-10-13 | 2014-08-20 | Avl里斯脱有限公司 | Electrical energy accumulator |
| CN103999256B (en) * | 2011-10-13 | 2016-08-24 | Avl里斯脱有限公司 | Accumulator |
| CN109638220A (en) * | 2018-11-26 | 2019-04-16 | 蚌埠南实科技有限公司 | A kind of punching type bulk electrode piece and preparation method thereof |
| US20230238673A1 (en) * | 2022-01-25 | 2023-07-27 | Eve Power Co., Ltd. | Connector of large cylindrical battery, battery module and battery pack |
| WO2023142586A1 (en) * | 2022-01-25 | 2023-08-03 | 湖北亿纬动力有限公司 | Large cylindrical battery connecting sheet, battery module and battery pack |
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| Publication number | Publication date |
|---|---|
| CN1901252B (en) | 2010-05-05 |
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