CN204481072U - A kind of multi-string battery group - Google Patents
A kind of multi-string battery group Download PDFInfo
- Publication number
- CN204481072U CN204481072U CN201520216715.0U CN201520216715U CN204481072U CN 204481072 U CN204481072 U CN 204481072U CN 201520216715 U CN201520216715 U CN 201520216715U CN 204481072 U CN204481072 U CN 204481072U
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- Prior art keywords
- battery group
- metal
- baffler
- battery
- metal plate
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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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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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- Connection Of Batteries Or Terminals (AREA)
Abstract
The utility model relates to a kind of multi-string battery group, comprise multiple battery group, each battery group comprises multiple battery core parallel with one another, one end of battery group is positive terminal, the other end is negative pole end, the battery polar placement direction of adjacent Liang Ge battery group is contrary and have spacing between battery group, by an elastic connecting device series connection between adjacent Liang Ge battery group; Elastic connecting device comprises two metal bafflers, two contacting metal plates, connection metal plate, insulating press boards and threaded fastening devices.The utility model, has two battery groups series connection finished product state in groups fast in groups and the advantage of rapid-maintenance dismounting relative to existing employing welding manner.
Description
Technical field
The utility model belongs to power supply technical field, relates to a kind of multi-string battery group.
Background technology
Current large-sized battery pack adopts the welding in parallel such as nickel strap, nickel plate, copper coin in groups substantially, forms batteries in parallel connection group, then the battery group after parallel connection is carried out connecting in groups, reach the instructions for use of electrical property.
Generally adopt wire during series-connected cell group, copper bar is screwed connection, connected by welding manners such as laser welding.This kind of series connection method reliability is lower, and when battery group a certain in battery pack damages, dismounting and replacing difficulty, can cause integral power battery altering time serious.
Summary of the invention
Unload and change the technical problem of difficulty to solve existing multi-string battery assembling and dismantling, the utility model provides a kind of multi-string battery group structure of elastic contact type cascaded structure state.
A kind of multi-string battery group, comprise multiple battery group, each battery group comprises multiple battery core parallel with one another, one end of battery group is positive terminal, the other end is negative pole end, its special character is: the battery polar placement direction of adjacent Liang Ge battery group is contrary and have spacing between battery group, by an elastic connecting device series connection between adjacent Liang Ge battery group; Described elastic connecting device comprises two metal bafflers 1, two contacting metal plates 2, connection metal plate 3, insulating press boards 4 and threaded fastening devices 5; Metal baffler 1 is bending structure, comprise the horizontal part 11 and swash plate portion 12 that are connected, the horizontal part 11 of a metal baffler 1 in two metal bafflers 1 is positioned at the positive terminal of a battery group and is electrically connected with it, the horizontal part 11 of another metal baffler 1 is positioned at the negative pole end of adjacent cell group and is electrically connected with it, described swash plate portion 12 relative to horizontal part 11 towards the outside inclined downward of battery group; Two contacting metal plates 2 are separately positioned on the metal baffler 1 of two adjacent battery groups, each contacting metal plate 2 comprises the connecting portion 21 and elastic compression portion 22 that are connected, described connecting portion 21 is fitted with the horizontal part of metal baffler 1, swash plate portion 12 Elastic Contact of described elastic compression portion 22 and metal baffler; Described insulating press boards 4 is positioned at above connection metal plate 3, and insulating press boards 4, connection metal plate 3, contacting metal plate 2, metal baffler 1 and battery group 6 are fixedly connected with by described threaded fastening device 5.
Above-mentioned elastic compression portion 22 is the bar shaped platy structure of bending.
Above-mentioned elastic compression portion 22 comprises the Part I 221, Part II 222 and the Part III 223 that connect successively, described Part I 221 is connected with the connecting portion 21 of contacting metal plate 2 and is positioned at same plane with connecting portion 21, described Part II 222 bends downwards relative to Part I 221 and props up the swash plate portion 12 of metal baffler 1, and described Part III 223 oppositely bends relative to Part II 222.
Above-mentioned bar shaped platy structure is provided with multiple space 23.
Above-mentioned multiple space 23 is uniform in bar shaped tabular structure length direction.
Above-mentioned metal baffler, contacting metal plate and connection metal plate include copper base, and two surfaces of described copper base are coated with nickel dam.
Compared with prior art, advantage is the utility model:
1, the multi-string battery group that provides of the utility model, by Liang Ge batteries in parallel connection group is passed through elastic connecting device electrical series, relative to existing employing welding manner by two battery groups series connection finished product state in groups, have fast in groups and the advantage of rapid-maintenance dismounting.
2, the structural design of elastic compression portion of the present utility model, has reliable, the easily detachable advantage of contact, and little to the damage of metal baffler.
3, the utility model is provided with multiple space on elastic compression portion, and elastic compression portion has been slit into multiple little contact portion by this space, is convenient to the heat radiation under battery pack big current on the one hand; Avoid on the other hand the loose contact that the surface irregularity due to metal baffler causes, conductive contact area affects little by metal baffler machining accuracy; And have obvious shunting action to big current.
4, metal baffler of the present utility model, contacting metal plate and connection metal plate are all coated with nickel dam on two of copper base surfaces, because nickel has excellent welding performance, the corrosion resistance had, firmly and also ductility good; Copper has lower resistivity, and electric conductivity is high, but surface easily forms oxide-film, the welding performance therefore not only copper coin nickel plating being had to low resistivity but also had and corrosion resistance.
Accompanying drawing explanation
Fig. 1 is stereochemical structure exploded view of the present utility model;
Fig. 2 is the structure chart of contacting metal plate of the present utility model;
Fig. 3 is setting plan of the present utility model;
The partial enlarged drawing of Fig. 4 Fig. 3.
Wherein Reference numeral is: 1-metal baffler, 11-horizontal part, 12-swash plate portion, 2-contacting metal plate, 21-connecting portion, 22-elastic compression portion, 221-Part I, 222-Part II, 223-Part III, 23-space, 3-connection metal plate, 4-insulating press boards, 5-threaded fastening device, 6-battery group.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in detail.
Such as, now need to manufacture 18 and the battery pack of 2 strings, structural representation as shown in Figure 1; Battery group in this example is one the 3 batteries in parallel connection array taking advantage of 6, each battery group comprises multiple battery core parallel with one another, one end of battery group is positive terminal, the other end is negative pole end, adopt customization nickel plate in parallel, by prior welding mode parallel connection in groups, nickel plate in parallel need customize on request, and nickel plate ear junction bending certain angle, when further battery group connects as contact inclined-plane; Adjacent Liang Ge battery group is connected by an elastic connecting device when connecting, and this nickel plate in parallel also just serves the effect of the metal baffler in the elastic connecting device in the utility model.
Elastic connecting device comprises two metal bafflers 1, two contacting metal plates 2, connection metal plate 3, insulating press boards 4 and threaded fastening devices 5; Metal baffler 1 comprises the horizontal part 11 and swash plate portion 12 that are connected, the horizontal position of a metal baffler in two metal bafflers is also electrically connected with it in the positive terminal of a battery group, the horizontal position of another metal baffler in adjacent cell group negative pole end and be electrically connected with it, described swash plate portion relative to horizontal part towards the outside inclined downward of battery group; Two contacting metal plates 2 are separately positioned on the metal baffler of two adjacent battery groups, each contacting metal plate comprises the connecting portion 21 and elastic compression portion 22 that are connected, connecting portion 21 is fitted with the horizontal part of metal baffler, elastic compression portion 22 and metal baffler Elastic Contact; Insulating press boards 4 is positioned at above connection metal plate, and insulating press boards 4, connection metal plate 3, contacting metal plate 2, metal baffler 1 and battery group 6 are fixedly connected with by threaded fastening device 5.Elastic compression portion 22 is the bar shaped platy structure of bending, comprise the Part I 221, Part II 222 and the Part III 223 that connect successively, Part I 221 is connected with the connecting portion 21 of contacting metal plate and is positioned at same plane with connecting portion 21, Part II 222 bends downwards relative to Part I 221 and props up the swash plate portion 12 of metal baffler, and Part III 223 oppositely bends relative to Part II 222.Bar shaped platy structure is provided with multiple space, and multiple space is uniform in bar shaped tabular structure length direction.Metal baffler of the present utility model, contacting metal plate and connection metal plate include copper base, and two surfaces of copper base are coated with nickel dam.
Claims (6)
1. a multi-string battery group, comprises multiple battery group, and each battery group comprises multiple battery core parallel with one another, and one end of battery group is positive terminal, and the other end is negative pole end, it is characterized in that:
The battery polar placement direction of adjacent Liang Ge battery group is contrary and have spacing between battery group, by an elastic connecting device series connection between adjacent Liang Ge battery group;
Described elastic connecting device comprises two metal bafflers (1), two contacting metal plates (2), connection metal plate (3), insulating press boards (4) and threaded fastening devices (5);
Metal baffler (1) is bending structure, comprise the horizontal part (11) and swash plate portion (12) that are connected, the horizontal part (11) of a metal baffler (1) in two metal bafflers (1) is positioned at the positive terminal of a battery group and is electrically connected with it, the horizontal part (11) of another metal baffler (1) is positioned at the negative pole end of adjacent cell group and is electrically connected with it, described swash plate portion (12) relative to horizontal part (11) towards the outside inclined downward of battery group;
Two contacting metal plates (2) are separately positioned on the metal baffler (1) of two adjacent battery groups, each contacting metal plate (2) comprises the connecting portion (21) and elastic compression portion (22) that are connected, described connecting portion (21) is fitted with the horizontal part of metal baffler (1), swash plate portion (12) Elastic Contact of described elastic compression portion (22) and metal baffler; Described insulating press boards (4) is positioned at connection metal plate (3) top, and insulating press boards (4), connection metal plate (3), contacting metal plate (2), metal baffler (1) and battery group (6) are fixedly connected with by described threaded fastening device (5).
2. multi-string battery group according to claim 1, is characterized in that: described elastic compression portion (22) is the bar shaped platy structure of bending.
3. multi-string battery group according to claim 2, it is characterized in that: described elastic compression portion (22) comprises the Part I (221) connected successively, Part II (222) and Part III (223), described Part I (221) is connected with the connecting portion (21) of contacting metal plate (2) and is positioned at same plane with connecting portion (21), described Part II (222) bends downwards relative to Part I (221) and props up the swash plate portion (12) of metal baffler (1), described Part III (223) oppositely bends relative to Part II (222).
4. the multi-string battery group according to Claims 2 or 3, is characterized in that: described bar shaped platy structure is provided with multiple space (23).
5. multi-string battery group according to claim 4, is characterized in that: described multiple space (23) is uniform in bar shaped tabular structure length direction.
6. multi-string battery group according to claim 1, is characterized in that: described metal baffler, contacting metal plate and connection metal plate include copper base, and two surfaces of described copper base are coated with nickel dam.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520216715.0U CN204481072U (en) | 2015-04-10 | 2015-04-10 | A kind of multi-string battery group |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520216715.0U CN204481072U (en) | 2015-04-10 | 2015-04-10 | A kind of multi-string battery group |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204481072U true CN204481072U (en) | 2015-07-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520216715.0U Active CN204481072U (en) | 2015-04-10 | 2015-04-10 | A kind of multi-string battery group |
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| Country | Link |
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| CN (1) | CN204481072U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111033878A (en) * | 2017-11-14 | 2020-04-17 | 株式会社Lg化学 | Battery module and battery pack including the same |
-
2015
- 2015-04-10 CN CN201520216715.0U patent/CN204481072U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111033878A (en) * | 2017-11-14 | 2020-04-17 | 株式会社Lg化学 | Battery module and battery pack including the same |
| CN111033878B (en) * | 2017-11-14 | 2023-11-28 | 株式会社Lg新能源 | Battery module and battery pack |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |