CN209571473U - A kind of lithium battery group - Google Patents
A kind of lithium battery group Download PDFInfo
- Publication number
- CN209571473U CN209571473U CN201920512368.4U CN201920512368U CN209571473U CN 209571473 U CN209571473 U CN 209571473U CN 201920512368 U CN201920512368 U CN 201920512368U CN 209571473 U CN209571473 U CN 209571473U
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- battery core
- group
- nickel sheet
- positive
- battery
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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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Abstract
The utility model provides a kind of lithium battery group, can effectively avoid the risk of entire battery pack failure, and can reduce impedance, reduces cost；It includes battery core group and the bracket for being plugged in battery core group both ends, the battery core group includes battery core unit group arranged side by side, each battery core unit group includes the battery core of arrangement arranged in arrays, the battery core is just, cathode is plugged in respectively on the bracket at both ends, the placing direction of the battery core pole in the battery core unit group is identical, to realize the arranged in parallel of the battery core, it is first, it is connected by positive and negative anodes nickel sheet between the battery core of the battery core unit group side of tail end, using the total positive output end and total negative output terminal as the battery core group, the anode of the adjacent battery core unit group, cathode is staggeredly reversed arrangement, and pass through series connection nickel sheet connection between each other.
Description
Technical field
The utility model relates to battery technology field, specially a kind of lithium battery group.
Background technique
With the rapid development of battery industry, present lithium battery has become mainstream, as a kind of energy storage device
Lithium battery group generally includes single battery core or module, electronic component, battery case and the interface with other external systems.Actually answering
In, entire lithium battery group is usually made of several lithium battery modules, lithium battery module be single battery in physical structure and
The minimum packets of the composition battery pack or system that connect on circuit can be used as a unit replacement.
Traditional lithium battery group group process, often by several, singly string module passes through copper bar and screw structural progress
Series connection, to form entire battery pack, but such technique, it is likely that loosened screw can be led to due to vibration etc. and caused
Entire battery pack failure, and copper bar and screw structural are used, contact impedance can be made to increase, influence performance, and then be significantly increased
Cost, therefore, in production and after sale, aspect suffers from many drawbacks to the process and structure.
Summary of the invention
In view of the above-mentioned problems, the utility model provides a kind of lithium battery group, entire battery pack failure can effectively avoid
Risk, and impedance can be reduced, reduce cost.
Its technical solution is such that it includes battery core group and the bracket for being plugged in battery core group both ends, the battery core
Group includes battery core unit group arranged side by side, and each battery core unit group includes the battery core of arrangement arranged in arrays, described
The positive and negative electrode of battery core is plugged in respectively on the bracket at both ends, it is characterised in that: the battery core in the battery core unit group
The placing direction of pole is identical, to realize the arranged in parallel of the battery core, the battery core unit group side at initial and end end it is described
It is connected by positive and negative anodes nickel sheet between battery core, using the total positive output end and total negative output terminal as the battery core group, phase
Anode, the cathode of the adjacent battery core unit group are staggeredly reversed arrangement, and pass through series connection nickel sheet connection between each other.
It is further characterized by:
It further includes insulation board, metal end plate, is sequentially arranged on the outside of the positive and negative anodes nickel sheet, series connection nickel sheet of two sides
It is locked after the insulation board and metal end plate by screw rod；
The bracket is equipped with hollow posts, length after hollow posts contraposition and the electricity on the bracket at both ends
The length of core is identical, the screw rod sequentially pass through lock onto after the metal end plate of side, insulation board, nickel sheet, hollow posts it is another
On the metal end plate of side；
It is connected between the battery core Positive Poles of the battery core unit group side of head end by the positive and negative anodes nickel sheet,
As total positive output end of the battery core group, pass through between the battery core negative pole of the battery core unit group side of tail end
The positive and negative anodes nickel sheet connection, as total negative output terminal of the battery core group, the battery core of the previous battery core unit group
Pass through the nickel sheet connection of connecting between negative pole and the battery core Positive Poles of battery core unit group described in the latter；
The positive and negative anodes nickel sheet, series connection nickel sheet top end part are all provided with the sampling connection of the oriented corresponding holder orientation bending
Piece, the sampling connection sheet are equipped with connecting hole；
The sampling connection sheet and the corresponding positive and negative anodes nickel sheet, series connection nickel sheet are integrated setting, the sampling
Connection sheet is bonded with the top end face of the bracket to connect；
Embedded nut is housed on the bracket of the corresponding connecting hole, is led between the sampling connection sheet and the bracket
Cross screw, embedded nut locks.
The utility model has the beneficial effects that it is integrated with multiple battery core unit groups in battery core group, battery core unit group with
It is directly connected in series by series connection nickel sheet between battery core unit group, impedance can be effectively reduced, reduce energy loss, and steady in system
Qualitative aspect is much better than the technique using traditional copper bar and screw, can greatly reduce since the factors such as vibration lead to loosened screw
Caused by failure risk, while eliminate it is existing cost is greatly reduced to components such as concatenated copper bar and screws, and by
In integrated level height, production efficiency can be substantially improved, also simplify packaging technology, reduce fault point, quality can be mentioned substantially
It rises.
Detailed description of the invention
Fig. 1 is the decomposition texture schematic diagram of the utility model；
Fig. 2 is the arrangement schematic diagram figure of battery core；
Fig. 3 is the schematic perspective view of the utility model.
Specific embodiment
As shown in FIG. 1 to 3, a kind of lithium battery group comprising battery core group 1 and the bracket 2 for being plugged in 1 both ends of battery core group,
Battery core group 1 includes 5 groups of battery core unit groups 3 arranged side by side, and each battery core unit group 3 includes the battery core of arrangement arranged in arrays
4, the positive and negative electrode of battery core 4 is plugged in respectively on the bracket 2 at both ends, is then connected by corresponding nickel sheet, for ease of understanding, nickel
Piece is divided into positive and negative anodes nickel sheet 5 and series connection nickel sheet 6；The placing direction of 4 pole of battery core in battery core unit group 3 is identical, to realize electricity
The arranged in parallel of core 4 is connected by positive and negative anodes nickel sheet 5 between the battery core 4 of 3 side of battery core unit group at initial and end end, with respectively
As the total positive output end and total negative output terminal of battery core group 1, anode, the cathode of adjacent battery core unit group 3 are staggeredly reversed arrange
Cloth, and being connected between each other by series connection nickel sheet 6, specifically, 4 Positive Poles of battery core of 3 side of battery core unit group of head end it
Between by positive and negative anodes nickel sheet 5 connect, as total positive output end of battery core group 1, the battery core 4 of 3 side of battery core unit group of tail end is negative
It is connected between the pole of pole by positive and negative anodes nickel sheet 5, as total negative output terminal of battery core group 1, the battery core of previous battery core unit group 3
Pass through the connection of nickel sheet 6 of connecting between 4 negative poles and 4 Positive Poles of battery core of the latter battery core unit group 3.
It further includes insulation board 7, metal end plate 8, is sequentially arranged in the positive and negative anodes nickel sheet 5 of two sides, 6 outside of series connection nickel sheet
It is locked after insulation board 7 and metal end plate 8 by screw rod 9；Bracket 2 is equipped with hollow posts 10, the hollow posts 10 on the bracket 2 at both ends
Length after contraposition is identical as the length of battery core 4, and screw rod 9 sequentially passes through the metal end plate 8 of side, insulation board 7, nickel sheet, hollow
It is lock onto after column 10 on the metal end plate 8 of the other side.
Positive and negative anodes nickel sheet 5, series connection 6 top end part of nickel sheet are all provided with the sampling connection sheet of the 90 ° of bendings in oriented 2 direction of corresponding bracket
11, it samples connection sheet 11 and corresponding positive and negative anodes nickel sheet 5, series connection nickel sheet 6 is integrated setting, sampling connection sheet 11 is equipped with
Connecting hole 12, sampling connection sheet 11 is bonded with the top end face of bracket 2 to connect, and is correspondingly connected on the bracket 2 in hole 12 equipped with pre-buried spiral shell
After female (not shown), the sampling line of battery management system and the line nose of warming line are loaded on screw, which, which passes through, connects
Hole 12 is connect to lock with embedded nut；It is total positive output end, total due to there is electric current output at total positive output end, total negative output terminal
The width that positive and negative anodes nickel sheet 5 up-samples connection sheet 11 at negative output terminal is greater than the width that series connection nickel sheet 6 up-samples connection sheet 11, always
The sampling connection sheet 11 of positive and negative anodes nickel sheet 5 is equipped with 2 connecting holes 12 at positive output end, total negative output terminal.
A kind of group process method of lithium battery group comprising following steps:
(1), 18 battery cores 4 are arranged in 3*6 matrix arrangement, and keeps the placing direction of 4 pole of battery core identical, to realize electricity
3,5 battery core unit groups 3 of single battery core unit group of 4 arranged in parallel of core are arranged side by side；
(2), after 4 pole of battery core in all battery core unit groups 3 is plugged in respectively on the bracket 2 at both ends, positive and negative anodes are used
Nickel sheet 5 covers the anode of all battery cores 4 in first battery core unit group 3, by resistance-welding process by 5 He of positive and negative anodes nickel sheet
4 Positive Poles of all battery cores in first battery core unit group 3 weld together, and using the exit of positive and negative anodes nickel sheet 5 as
Total positive output end of battery core group 1；The cathode of first battery core unit group 3 is connected with the positive use of second battery core unit group 3
Nickel sheet 6 is welded by resistance-welding process, so that first and second battery core unit groups 3 form series relationship, repeatedly, until
It is connected in series to the 5th battery core unit group 3, it is last equally to cover the institute in the 5th battery core unit group 3 using positive and negative anodes nickel sheet 5
There is the cathode of battery core 4, by resistance-welding process by 4 cathode of all battery cores in positive and negative anodes nickel sheet 5 and the 5th battery core unit group 3
Pole welds together, and using the exit of the 5th positive and negative anodes nickel sheet 5 as total negative output terminal of battery core group 1；
(3), after the positive and negative anodes nickel sheet 5 being welded, 6 outside of nickel sheet of connecting, difference fitting insulating panels 7 and metal end plate 8,
Screw rod 9 sequentially passes through the metal end plate 8 that the other side is lock onto after the metal end plate 8 of side, insulation board 7, nickel sheet, hollow posts 10
On, and be strained and fixed.
Claims (7)
1. a kind of lithium battery group comprising battery core group and the bracket for being plugged in battery core group both ends, the battery core group include simultaneously
Arrange the battery core unit group of setting, each battery core unit group includes the battery core of arrangement arranged in arrays, the battery core just,
Cathode is plugged in respectively on the bracket at both ends, it is characterised in that: the pendulum of the battery core pole in the battery core unit group
Put that direction is identical, to realize the arranged in parallel of the battery core, between the battery core of the battery core unit group side at initial and end end
It is connected by positive and negative anodes nickel sheet, using the total positive output end and total negative output terminal as the battery core group, adjacent is described
Anode, the cathode of battery core unit group are staggeredly reversed arrangement, and pass through series connection nickel sheet connection between each other.
2. a kind of lithium battery group according to claim 1, it is characterised in that: it further includes insulation board, metal end plate, two
The positive and negative anodes nickel sheet of side, series connection nickel sheet outside are locked after being sequentially arranged with the insulation board and metal end plate by screw rod.
3. a kind of lithium battery group according to claim 2, it is characterised in that: the bracket is equipped with hollow posts, both ends
The length after hollow posts contraposition on the bracket is identical as the length of the battery core, and the screw rod sequentially passes through side
It is lock onto after the metal end plate, insulation board, nickel sheet, hollow posts on the metal end plate of the other side.
4. a kind of lithium battery group according to claim 1, it is characterised in that: the institute of the battery core unit group side of head end
It states and is connected between battery core Positive Poles by the positive and negative anodes nickel sheet, as total positive output end of the battery core group, the institute of tail end
It states and is connected between the battery core negative pole of battery core unit group side by the positive and negative anodes nickel sheet, as the battery core group
Total negative output terminal, the battery core negative pole of the previous battery core unit group are described with battery core unit group described in the latter
It is connected between battery core Positive Poles by the series connection nickel sheet.
5. a kind of lithium battery group according to claim 1, it is characterised in that: the positive and negative anodes nickel sheet, series connection nickel sheet top
Portion is all provided with the sampling connection sheet of the oriented corresponding holder orientation bending, and the sampling connection sheet is equipped with connecting hole.
6. a kind of lithium battery group according to claim 5, it is characterised in that: the sampling connection sheet and corresponding institute
State positive and negative anodes nickel sheet, series connection nickel sheet be integrated setting, the sampling connection sheet is bonded with the top end face of the bracket to connect.
7. a kind of lithium battery group according to claim 6, it is characterised in that: filled on the bracket of the corresponding connecting hole
There is embedded nut, is locked between the sampling connection sheet and the bracket by screw, embedded nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920512368.4U CN209571473U (en) | 2019-04-16 | 2019-04-16 | A kind of lithium battery group |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920512368.4U CN209571473U (en) | 2019-04-16 | 2019-04-16 | A kind of lithium battery group |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209571473U true CN209571473U (en) | 2019-11-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920512368.4U Active CN209571473U (en) | 2019-04-16 | 2019-04-16 | A kind of lithium battery group |
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| Country | Link |
|---|---|
| CN (1) | CN209571473U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115280587A (en) * | 2021-08-05 | 2022-11-01 | 广东高标电子科技有限公司 | Battery unit and electric power-assisted vehicle |
-
2019
- 2019-04-16 CN CN201920512368.4U patent/CN209571473U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115280587A (en) * | 2021-08-05 | 2022-11-01 | 广东高标电子科技有限公司 | Battery unit and electric power-assisted vehicle |
| CN115280587B (en) * | 2021-08-05 | 2023-11-17 | 广东高标智能科技股份有限公司 | Battery unit and electric power-assisted vehicle |
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