CN214477594U - Two-way power battery - Google Patents
Two-way power battery Download PDFInfo
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- CN214477594U CN214477594U CN202120608069.8U CN202120608069U CN214477594U CN 214477594 U CN214477594 U CN 214477594U CN 202120608069 U CN202120608069 U CN 202120608069U CN 214477594 U CN214477594 U CN 214477594U
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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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Abstract
The utility model discloses a bi-pass type power battery, first top cap, second top cap, first switching piece, second switching piece, electric core, insulating piece, bottom plate board and shell the both ends of electric core set up first switching piece and second switching piece respectively, first switching piece and second switching piece are connected the positive negative pole in the electric core respectively be provided with first top cap on the first switching piece be provided with the second top cap on the second switching piece the peripheral cladding of electric core has the insulating piece be provided with the bottom plate board on the insulating piece of the bottom lateral wall of electric core, the shell cover is established in the insulating piece periphery. The utility model discloses can perfect power battery electricity core structure that thickness is little, the width is little, can effectively hold each part of electric core when guaranteeing this kind of electric core structure, guarantee the rational overall arrangement in finite space.
Description
Technical Field
The utility model belongs to the technical field of power battery, especially, relate to a bi-pass type power battery.
Background
The power battery is widely applied to the fields of electric bicycles, electric vehicles, UPS power supplies, large portable electric tools, energy storage systems and the like. The existing power battery generally comprises a naked battery cell, a battery case for packaging the naked battery cell and a top cover which is hermetically installed on the battery case, wherein a positive pole column and a negative pole column are arranged on the top cover. However, when the requirement of a limited space is met, the size of the battery cell needs to be adjusted, and for the battery cell with small thickness and small width, the battery cell structure of the traditional power battery has no space for placing the liquid injection hole, the explosion-proof valve and the two polar columns at the same time, and the spatial layout is limited.
SUMMERY OF THE UTILITY MODEL
In order to overcome the not enough of prior art method, the utility model aims to provide a bi-pass type power battery, can perfect the power battery electric core structure that thickness is little, the width is little, can effectively hold each part of electric core when guaranteeing this kind of electric core structure, guarantee the rational overall arrangement in finite space.
In order to achieve the above purpose, the utility model adopts the technical scheme that: the utility model provides a bi-pass type power battery, includes first top cap, second top cap, first switching piece, second switching piece, electric core, insulating piece, bottom plate board and shell the both ends of electric core set up first switching piece and second switching piece respectively, first switching piece and second switching piece are connected the positive negative pole in the electric core respectively be provided with first top cap on the first switching piece be provided with the second top cap on the second switching piece the peripheral cladding of electric core has the insulating piece be provided with the bottom plate board on the insulating piece of the bottom lateral wall of electric core, the shell cover is established in the insulating piece periphery.
The first top cover comprises a first cover plate, a first lower insulating part, a first sealing ring, a first pole terminal, first upper plastic and an explosion-proof sheet, the first pole terminal sequentially penetrates through the first sealing ring, the first lower insulating part and the first cover plate, then the first upper plastic is used for injection molding and filling at the top end, and the explosion-proof sheet is arranged on an explosion-proof sheet through hole in the first cover plate;
the first cover plate is provided with a first cover plate pole post through hole, an explosion-proof sheet through hole and a liquid injection hole; a first lower insulating part pole column through hole, a first lower insulating part explosion-proof valve air hole and a first lower insulating part liquid injection through hole are formed in the first lower insulating part; the first cover plate pole through hole and the first lower insulating part pole through hole are used for the first pole terminal to penetrate through; the explosion-proof sheet is welded on the explosion-proof sheet through hole on the first cover plate; the air holes of the first lower insulating part explosion-proof valve correspond to the through holes of the explosion-proof sheet, and the liquid injection through hole of the first lower insulating part corresponds to the liquid injection hole.
The second top cover comprises a second cover plate, a second lower insulating part, a second sealing ring, a second pole terminal and second upper plastic, the second pole terminal sequentially penetrates through the second sealing ring, the second lower insulating part and the second cover plate, and then the second upper plastic is used for injection molding and filling on the top end;
and a second cover plate pole through hole is formed in the second cover plate, the second lower insulating part is provided with a second lower insulating part pole through hole, and the second cover plate pole through hole and the second lower insulating part pole through hole are used for the second pole terminal to pass through.
Further, the first pole terminal comprises a body of the first pole terminal and a base of the first pole terminal, and the base of the first pole terminal is arranged below the body of the first pole terminal; the second utmost point post terminal includes the body of second utmost point post terminal and the base of second utmost point post terminal, the body below of second utmost point post terminal is arranged in to the base of second utmost point post terminal.
Further, the first sealing ring and the second sealing ring are compressible insulating rubber or plastic.
Furthermore, a first current collector and a second current collector extend out of two ends of the battery core; the first current collector is electrically connected with the base of the first pole terminal of the first top cover through the first adapter sheet; and the second current collector is electrically connected with the base of the second pole terminal of the second top cover through the second adapter sheet.
Furthermore, the first switching sheet and the second switching sheet are both of a bending structure and comprise a body part and a bending part, the body part is electrically connected with the pole terminal, and the bending part is electrically connected with a current collector in the battery core.
Furthermore, the insulating sheet is provided with four rack lines to divide the insulating sheet into four surfaces, namely a first large surface, a first small surface, a second large surface and a second small surface, and the first small surface is provided with a through hole; the bottom supporting plate is provided with a plurality of rows of through holes, and the through holes correspond to the through holes of the insulating sheets, so that the battery cell is ensured to absorb electrolyte.
Further, the shell is provided with a first opening and a second opening at two ends respectively; the first opening is completely open and is matched with the first top cover; the second opening is smaller than the first opening, and the second opening is matched with the second top cover.
Further, the length of the second top cover is 0.1-0.9 times of that of the first top cover, and the width of the second top cover is 0.2-0.9 times of that of the first top cover; the length of the second opening is 0.1-0.9 times of that of the first opening, and the width of the second opening is 0.2-0.9 times of that of the first opening.
The beneficial effects of the technical scheme are as follows:
in the utility model, a first switching sheet and a second switching sheet are respectively arranged at two ends of an electric core, the first switching sheet and the second switching sheet are respectively connected with a positive electrode and a negative electrode in the electric core, a first top cover is arranged on the first switching sheet, a second top cover is arranged on the second switching sheet, an insulating sheet is coated on the periphery of the electric core, a bottom supporting plate is arranged on the insulating sheet on the side wall of the bottom of the electric core, and then the outer cover is sleeved on the periphery of the insulating sheet; the first top cover and the second top cover adopt different structures; the power battery cell structure with small thickness and small width can be perfected, each component of the battery cell can be effectively accommodated while the battery cell structure is ensured, and the reasonable layout of a limited space is ensured.
Drawings
Fig. 1 is an exploded schematic view of a two-way power battery of the present invention;
fig. 2 is a schematic structural diagram of a first top cover in an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a second top cover in an embodiment of the present invention;
fig. 4 is a schematic structural view of an interposer according to an embodiment of the present invention;
fig. 5 is a schematic structural view of an insulation sheet according to an embodiment of the present invention;
fig. 6 is a perspective view of a second top cover according to an embodiment of the present invention;
fig. 7 is an expanded structural schematic diagram of the connection relationship of the battery cells in the embodiment of the present invention;
the battery comprises a battery body, a first top cover, a second top cover, a first adapter sheet, a second adapter sheet, a battery core, an insulation sheet, a bottom supporting plate, a shell, a first current collector and a second current collector, wherein 1 is the first top cover, 2 is the second top cover, 3 is the first adapter sheet, 4 is the second adapter sheet, 5 is the battery core, 6 is the insulation sheet, 7 is the bottom supporting plate, 8 is the shell, 9 is the first current collector and 10 is the second current collector;
11 is a first cover plate, 12 is a first lower insulating member, 13 is a first seal ring, 14 is a first pole terminal, 15 is a first upper plastic, and 16 is an explosion-proof sheet; 111 is a first cover plate pole through hole, 112 is an explosion-proof sheet through hole, and 113 is a liquid injection hole; 121 is a first lower insulating part pole through hole, 122 is a first lower insulating part explosion-proof valve air hole, and 123 is a first lower insulating part liquid injection through hole;
21 is a second cover plate, 22 is a second lower insulating member, 23 is a second sealing ring, 24 is a second pole terminal, and 25 is a second upper plastic; 211 is a second cover plate post through hole, 221 is a second lower insulator post through hole;
31 is a main body, 32 is a bent portion;
61 is a first large face, 62 is a first small face, 63 is a second large face, and 64 is a second small face;
the first opening 81 is a first opening, and the second opening 82 is a second opening.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention is further explained below with reference to the accompanying drawings.
In this embodiment, refer to fig. 1-3, a two-way type power battery, including first top cap 1, second top cap 2, first switching piece 3, second switching piece 4, electric core 5, insulating piece 6, bottom plate 7 and shell 8 the both ends of electric core 5 set up first switching piece 3 and second switching piece 4 respectively, first switching piece 3 and second switching piece 4 communicate the positive negative pole in electric core 5 respectively be provided with first top cap 1 on the first switching piece 3 be provided with second top cap 2 on the second switching piece 4 electric core 5 peripheral cladding has insulating piece 6 be provided with bottom plate 7 on the insulating piece 6 of the bottom lateral wall of electric core 5, 8 covers of shell are established in insulating piece 6 periphery.
As an optimized solution 1 of the above embodiment, the first top cap 1 includes a first cover plate 11, a first lower insulating member 12, a first sealing ring 13, a first post terminal 14, a first upper plastic 15, and an explosion-proof sheet 16, where the first post terminal 14 sequentially passes through the first sealing ring 13, the first lower insulating member 12, and the first cover plate 11, and then is filled at the top end by injection molding using the first upper plastic 15, and the explosion-proof sheet 16 is disposed on an explosion-proof sheet through hole 112 on the first cover plate 11;
the first cover plate 11 is provided with a first cover plate pole through hole 111, an explosion-proof sheet through hole 112 and a liquid injection hole 113; a first lower insulating part pole through hole 121, a first lower insulating part explosion-proof valve air hole 122 and a first lower insulating part liquid injection through hole 123 are formed in the first lower insulating part 12; the first lid post through hole 111 and the first lower insulating member post through hole 121 for the first post terminal 14 to pass through; the explosion-proof sheet 16 is welded on the explosion-proof sheet through hole 112 on the first cover plate 11; the first lower insulating member explosion-proof valve vent 122 corresponds to the explosion-proof sheet through hole 112, and the first lower insulating member liquid injection through hole 123 corresponds to the liquid injection hole 113.
As an optimized solution 2 of the above embodiment, the second top cap 2 includes a second cover plate 21, a second lower insulating member, a second sealing ring 23, a second post terminal 24 and a second upper plastic 25, the second post terminal sequentially passes through the second sealing ring, the second lower insulating member and the second cover plate 21, and then is injection-molded and filled at the top end by using the second upper plastic 25;
the second cover plate 21 is provided with a second cover plate pole through hole 211, the second lower insulating part is provided with a second lower insulating part pole through hole 221, and the second cover plate pole through hole 211 and the second lower insulating part pole through hole 221 are used for the second pole terminal 24 to pass through.
The first pole terminal 14 includes a body of the first pole terminal 14 and a base of the first pole terminal 14, and the base of the first pole terminal 14 is disposed below the body of the first pole terminal 14; the second pole terminal 24 includes a body of the second pole terminal 24 and a base of the second pole terminal 24, and the base of the second pole terminal 24 is disposed under the body of the second pole terminal 24.
The first sealing ring 13 and the second sealing ring 23 are made of compressible insulating rubber or plastic.
As an optimized solution 3 of the above embodiment, a first current collector 9 and a second current collector 10 extend out from two ends of the battery cell 5; the first current collector 9 is electrically connected with the base of the first pole terminal 14 of the first top cover 1 through the first transfer sheet 3; the second current collector 10 is electrically connected with the base of the second pole terminal 24 of the second top cover 2 through the second adapter sheet 4. Avoid the unilateral to place two utmost point posts simultaneously and annotate liquid hole and explosion-proof valve, can effectively be applicable to narrow and short electric core.
As an optimized solution 4 of the above embodiment, the first interposer 3 and the second interposer 4 are both of a bent structure, and include a body portion 31 and a bent portion 32, where the body portion 31 is electrically connected to the terminal of the terminal, and the bent portion 32 is electrically connected to the current collector in the battery cell 5.
As a modification 5 of the above embodiment, the insulating sheet 6 is provided with four track lines to divide the insulating sheet 6 into four faces, namely a first large face 61, a first small face 62, a second large face 63 and a second small face 64, and the first small face 62 is provided with a through hole; the bottom supporting plate 7 is provided with a plurality of rows of through holes corresponding to the through holes of the insulating sheet 6, so that the battery cell 5 is ensured to absorb electrolyte.
As a preferable mode 6 of the above embodiment, the housing 8 is provided with a first opening 81 and a second opening 82 at both ends, respectively; the first opening 81 is completely open and is matched with the first top cover 1; the second opening 82 is smaller than the first opening 81, and the second opening 82 is engaged with the second top cover 2.
Preferably, the length of the second top cover 2 is 0.1-0.9 times of that of the first top cover 1, and the width of the second top cover 2 is 0.2-0.9 times of that of the first top cover; the length of the second opening 82 is 0.1-0.9 times of the first opening 81, and the width is 0.2-0.9 times. Through the above-mentioned mode of setting up, the second top cap can regard as general, when developing not unidimensional electric core promptly, and the second top cap can be compatible polytypic simultaneously, reduces the die sinking charge, reduces development cost.
For better understanding, the utility model discloses, following is to the theory of operation of the utility model make a complete description:
the first pole terminal 14 passes through: the first sealing ring 13, the first lower insulating part pole through hole 121 and the first cover plate pole through hole 111 are finally filled with first upper plastic 15 in an injection molding mode; the second pole terminal 24 sequentially passes through: the second sealing ring 23, the second lower insulating part pole through hole 221 and the second cover plate pole through hole 211 are finally filled with the second upper plastic 25 in an injection molding mode.
The large surface of the battery cell 5 is laid down, the first current collector 9 extending out of the two ends is electrically connected with the bending part 32 of the first pole terminal 14, and the second current collector 10 is electrically connected with the bending part 32 of the second pole terminal 24.
The first top cover 1 and the body of the first adaptor piece 3 are electrically connected, and the second top cover 211 and the body part 31 of the second adaptor piece 4 are electrically connected.
The first top cover 1 is bent along the bending part 32 of the first connecting piece 3 to cover one side of the battery cell 5; the second top cover 2 is bent along the bending portion 32 of the second adaptor piece 4 to cover the other side of the battery cell 5.
The first small face 62 of the insulating sheet 6 is in hot melting with the bottom supporting plate 7, and the through holes are in one-to-one correspondence; the insulating sheet 6 is annularly coated on the battery core 5, and two ends of the insulating sheet are respectively fixed with the first lower insulating part 12 and the second lower insulating part in a hot melting mode.
The second cover 2 fits through the first opening 81 and the second opening 82 of the housing 8; the first cover 1 is then fitted into the first opening 81 of the housing 8.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. A two-way power battery is characterized by comprising a first top cover (1), a second top cover (2), a first adapter sheet (3), a second adapter sheet (4), a battery cell (5), an insulation sheet (6), a bottom supporting plate (7) and a shell (8), a first switching sheet (3) and a second switching sheet (4) are respectively arranged at two ends of the battery core (5), the first switching sheet (3) and the second switching sheet (4) are respectively communicated with the positive electrode and the negative electrode in the battery core (5), a first top cover (1) is arranged on the first switching sheet (3), a second top cover (2) is arranged on the second switching sheet (4), the battery cell is characterized in that an insulating sheet (6) is coated on the periphery of the battery cell (5), a bottom supporting plate (7) is arranged on the insulating sheet (6) of the bottom side wall of the battery cell (5), and the insulating sheet (6) is sleeved with a shell (8).
2. The two-way power battery is characterized in that the first top cover (1) comprises a first cover plate (11), a first lower insulating piece (12), a first sealing ring (13), a first pole terminal (14), a first upper plastic (15) and an explosion-proof sheet (16), wherein the first pole terminal (14) sequentially penetrates through the first sealing ring (13), the first lower insulating piece (12) and the first cover plate (11), then the first upper plastic (15) is used for injection molding and filling at the top end, and the explosion-proof sheet (16) is arranged on an explosion-proof sheet through hole (112) in the first cover plate (11);
a first cover plate pole through hole (111), an explosion-proof sheet through hole (112) and a liquid injection hole (113) are formed in the first cover plate (11); a first lower insulating part pole through hole (121), a first lower insulating part explosion-proof valve air vent (122) and a first lower insulating part liquid injection through hole (123) are formed in the first lower insulating part (12); the first cover plate pole through hole (111) and the first lower insulating piece pole through hole (121) are used for the first pole terminal (14) to penetrate through; the explosion-proof sheet (16) is welded on the explosion-proof sheet through hole (112) on the first cover plate (11); the air hole (122) of the first lower insulating piece explosion-proof valve corresponds to the explosion-proof sheet through hole (112), and the liquid injection through hole (123) of the first lower insulating piece corresponds to the liquid injection hole (113).
3. The two-way power battery is characterized in that the second top cover (2) comprises a second cover plate (21), a second lower insulating part (22), a second sealing ring (23), a second pole terminal (24) and second upper plastic (25), the second pole terminal sequentially penetrates through the second sealing ring, the second lower insulating part (22) and the second cover plate (21), and then the second upper plastic (25) is used for injection molding and filling at the top end;
the second cover plate (21) is provided with a second cover plate pole through hole (211), the second lower insulating part (22) is provided with a second lower insulating part pole through hole (221), and the second cover plate pole through hole (211) and the second lower insulating part pole through hole (221) are used for the second pole terminal (24) to pass through.
4. A two-way type power battery according to claim 3, characterized in that the first pole terminal (14) comprises a body of the first pole terminal (14) and a base of the first pole terminal (14), the base of the first pole terminal (14) being placed under the body of the first pole terminal (14); the second pole terminal (24) comprises a body of the second pole terminal (24) and a base of the second pole terminal (24), and the base of the second pole terminal (24) is arranged below the body of the second pole terminal (24).
5. Two-way power battery according to claim 3, characterized in that the first sealing ring (13) and the second sealing ring (23) are compressible insulating rubber or plastic.
6. The double-pass power battery as claimed in claim 1, wherein a first current collector (9) and a second current collector (10) extend from both ends of the battery core (5); the first current collector (9) is electrically connected with a base of a first pole terminal (14) of the first top cover (1) through the first adapter sheet (3); the second current collector (10) is electrically connected with a base of a second pole terminal (24) of the second top cover (2) through a second adapter sheet (4).
7. The two-way power battery according to claim 6, wherein the first adaptor sheet (3) and the second adaptor sheet (4) are both of a bent structure, and comprise a body portion (31) and a bent portion (32), the body portion (31) is electrically connected with the terminal, and the bent portion (32) is electrically connected with a current collector in the battery cell (5).
8. Two-way power battery according to claim 1, characterized in that the insulating sheet (6) is provided with four gear lines to divide the insulating sheet (6) into four faces, namely a first large face (61), a first small face (62), a second large face (63) and a second small face (64), and the first small face (62) is provided with through holes; the bottom supporting plate (7) is provided with a plurality of rows of through holes corresponding to the through holes of the insulating sheet (6).
9. Two-way power cell according to claim 1, characterized in that the housing (8) is provided with a first opening (81) and a second opening (82) at both ends; the first opening (81) is completely open and is matched with the first top cover (1); the second opening (82) is smaller than the first opening (81), the second opening (82) being fitted with the second cap (2).
10. The double-pass power battery as claimed in claim 9, wherein the length of the second top cover (2) is 0.1-0.9 times of the length of the first top cover (1), and the width is 0.2-0.9 times; the length of the second opening (82) is 0.1-0.9 times of that of the first opening (81), and the width of the second opening is 0.2-0.9 times.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120608069.8U CN214477594U (en) | 2021-03-25 | 2021-03-25 | Two-way power battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120608069.8U CN214477594U (en) | 2021-03-25 | 2021-03-25 | Two-way power battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214477594U true CN214477594U (en) | 2021-10-22 |
Family
ID=78159912
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120608069.8U Active CN214477594U (en) | 2021-03-25 | 2021-03-25 | Two-way power battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214477594U (en) |
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2021
- 2021-03-25 CN CN202120608069.8U patent/CN214477594U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 361100 201-1, complex building 5, No. 11, Butang Middle Road, torch high tech Zone (Tongxiang) industrial base, Xiamen, Fujian Province Patentee after: Xiamen Haichen Energy Storage Technology Co.,Ltd. Address before: 361000 201-1, complex building 5, No. 11, Butang Middle Road, torch high tech Zone (Tongxiang) industrial base, Xiamen, Fujian Patentee before: Xiamen Haichen New Energy Technology Co.,Ltd. |
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| CP03 | Change of name, title or address |