CN214227028U - Welding-free battery cell module group structure - Google Patents
Welding-free battery cell module group structure Download PDFInfo
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- CN214227028U CN214227028U CN202120320492.8U CN202120320492U CN214227028U CN 214227028 U CN214227028 U CN 214227028U CN 202120320492 U CN202120320492 U CN 202120320492U CN 214227028 U CN214227028 U CN 214227028U
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- cell module
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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 discloses a welding-free battery cell module group structure, which comprises a first bracket, a second bracket and a battery cell module, wherein the first bracket and the second bracket are respectively provided with a battery cell fixing groove, two end parts of the battery cell module are respectively embedded in the battery cell fixing grooves of the first bracket and the second bracket at corresponding sides, electrical connecting sheets are respectively embedded in the battery cell fixing grooves of the first bracket and the second bracket, and each electrode of the battery cell module is respectively contacted with the electrical connecting sheets at corresponding sides; a soft rubber pad is embedded in the battery cell fixing groove of the first support and comprises a connecting sheet contact part and positioning columns, and the positioning columns are inserted into the support positioning holes of the first support; the first bracket and the second bracket are tightly connected through a locking bolt, and the battery cell module is tightly clamped and fixed between the first bracket and the second bracket; the first support is provided with a bolt spacing column, and the locking bolt penetrates through a bolt through hole of the bolt spacing column. The utility model has the advantages of structural design is novel, reliable and stable nature is good, and can avoid the adverse factor because of electric core electrode and connection piece welding bring effectively.
Description
Technical Field
The utility model relates to a new energy battery technical field especially relates to a exempt from to weld electric core module group structure in groups.
Background
In the field of new energy batteries, the series-parallel connection of the battery cell is realized by welding a connecting sheet with the positive electrode and the negative electrode of the battery cell, and the common welding modes are laser welding, resistance welding and ultrasonic welding.
It should be noted that the welding operation can be completed by using welding equipment in any of the above laser welding method, resistance welding method, and ultrasonic welding method; especially for the laser welding method, the purchase cost of the adopted laser welding equipment is hundreds of times, and the high purchase cost obviously has higher cost for some small and medium-sized companies or startup companies.
In addition, no matter the laser welding method, the resistance welding method and the ultrasonic welding method, the welding quality is particularly important for the stability of the connection of the battery core, which puts higher requirements on the skill level of welding personnel.
In addition, the connection piece becomes as an organic whole after passing through the welding with electric core, if test procedure finds that certain electric core has unusually, then can't change unusual electric core alone, only can change a module, just so cause the waste.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an exempt from to weld electric core module unitized construction to prior art not enough, should exempt from to weld electric core module unitized construction novel in design, reliable and stable nature is good, and can avoid the unfavorable factor because of electric core electrode and connection piece welding bring effectively.
In order to achieve the above purpose, the present invention is achieved by the following technical solutions.
A welding-free battery cell module group structure comprises a first support and a second support which are opposite to each other and are arranged at intervals, wherein a battery cell module is arranged between the first support and the second support, the first support and the second support are respectively provided with a battery cell fixing groove which is open towards the battery cell module side and has the shape consistent with the outline shape of an electrical module, two end parts of the battery cell module are respectively embedded in the battery cell fixing grooves of the first support and the second support on the corresponding sides, electrical connecting sheets with the shapes consistent with the outline shapes of the corresponding battery cell fixing grooves are respectively embedded in the battery cell fixing grooves of the first support and the second support, and each electrode of the battery cell module is respectively contacted with the electrical connecting sheets on the corresponding sides;
a soft rubber pad is further embedded in the battery cell fixing groove of the first support and is positioned between the electrical connecting sheet and the bottom surface of the battery cell fixing groove, the soft rubber pad comprises a connecting sheet contact part which is in a strip shape and is in contact with the electrical connecting sheet, the connecting sheet contact part is provided with positioning columns which are uniformly distributed at intervals and respectively protrude and extend towards the side away from the electrical connecting sheet, and each positioning column is respectively integrated with the connecting sheet contact part; the bottom surface of the battery cell fixing groove of the first support is provided with support positioning holes corresponding to the positioning columns respectively, and the positioning columns of the soft rubber cushion are inserted into the corresponding support positioning holes respectively;
the first support and the second support are tightly connected through a locking bolt, and the battery cell module is tightly clamped and fixed between the first support and the second support; the first support is provided with a bolt spacing column protruding towards the second support side corresponding to the locking bolt, a bolt through hole penetrating completely is formed in the core of the bolt spacing column, and the locking bolt penetrates through the bolt through hole of the bolt spacing column.
And each electric connection sheet is provided with a cross groove at the electrode contact position of the battery cell module respectively.
The lead-out part of the electric connection sheet in the cell fixing groove of the first support extends to the outer end side of the first support, and the lead-out part of the electric connection sheet in the cell fixing groove of the second support extends to the outer end side of the second support;
still install between first support and the second support and be located the BMS protection shield of electricity core module side, the BMS protection shield corresponds the leading-out part of each electric connection piece and has seted up the protection shield and lead to the groove respectively, and the corresponding protection shield that leads to of BMS protection shield is passed respectively to the leading-out part of each electric connection piece leads to the groove.
The first support is provided with a support counter bore corresponding to the nut of the locking bolt, and the nut of the locking bolt is embedded into the support counter bore of the first support.
Wherein, the soft rubber mat is a silica gel mat.
The first support and the second support are respectively hard plastic supports.
The utility model has the advantages that: the utility model discloses a welding-free battery cell module group structure, it includes just to and interval arrangement's first support, the second support, install the battery cell module between first support and the second support, first support, the second support is seted up respectively towards battery cell module side opening and the shape and the consistent electric core fixed slot of the profile shape of electric module, the both ends of battery cell module are inlayed respectively in the battery cell fixed slot of the first support of corresponding side, the second support, inlay respectively in the battery cell fixed slot of first support, the second support and be equipped with the shape and the consistent electric connection piece of corresponding battery cell fixed slot profile shape, each electrode of battery cell module contacts with the electric connection piece of corresponding side respectively; a soft rubber pad is further embedded in the battery cell fixing groove of the first support and is positioned between the electrical connecting sheet and the bottom surface of the battery cell fixing groove, the soft rubber pad comprises a connecting sheet contact part which is in a strip shape and is in contact with the electrical connecting sheet, the connecting sheet contact part is provided with positioning columns which are uniformly distributed at intervals and respectively protrude and extend towards the side away from the electrical connecting sheet, and each positioning column is respectively integrated with the connecting sheet contact part; the bottom surface of the battery cell fixing groove of the first support is provided with support positioning holes corresponding to the positioning columns respectively, and the positioning columns of the soft rubber cushion are inserted into the corresponding support positioning holes respectively; the first support and the second support are tightly connected through a locking bolt, and the battery cell module is tightly clamped and fixed between the first support and the second support; the first support is provided with a bolt spacing column protruding towards the second support side corresponding to the locking bolt, a bolt through hole penetrating completely is formed in the core of the bolt spacing column, and the locking bolt penetrates through the bolt through hole of the bolt spacing column. Through the structure design, the utility model has the advantages of structural design is novel, reliable and stable nature is good, and can avoid the unfavorable factor because of electric core electrode and connection piece welding bring effectively.
Drawings
The invention will be further described with reference to the drawings, but the embodiments in the drawings do not constitute any limitation of the invention.
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is an exploded view of the present invention.
Fig. 3 is a schematic view of the first bracket when the soft rubber pad is mounted.
Fig. 4 is a schematic view of the first bracket when the electrical connection sheet is mounted.
Fig. 5 is a schematic structural view of the soft rubber pad of the present invention.
Fig. 6 is a schematic structural view of the electrical connection sheet of the present invention.
Fig. 1 to 6 include:
11-first support 111-support positioning hole
112-bolt spacing post 1121-bolt through hole
113 support counter bore 12 second support
13-cell fixing groove 2-cell module
3-electrical connection sheet 31-cross groove
32-leading-out part 4-soft rubber pad
41-connecting sheet contact part 42-positioning column
5-locking bolt 6-BMS protection plate
And 61-protective plate through groove.
Detailed Description
The present invention will be described with reference to specific embodiments.
As shown in fig. 1 to 6, a welding-free battery cell module group structure includes a first support 11 facing and spaced apart from each other, a second support 12, a battery cell module 2 is installed between the first support 11 and the second support 12, the first support 11, the second support 12 is respectively provided with a battery cell fixing groove 13 which is open towards the battery cell module 2 and has a shape consistent with the outline shape of the electrical module, two ends of the battery cell module 2 are respectively inserted into the first support 11 of the corresponding side, the battery cell fixing groove 13 of the second support 12, the battery cell fixing grooves 13 of the first support 11 and the second support 12 are respectively inserted with electrical connection sheets 3 having shapes consistent with the outline shape of the corresponding battery cell fixing groove 13, and each electrode of the battery cell module 2 is respectively contacted with the electrical connection sheets 3 of the corresponding side. It should be explained that the first bracket 11 and the second bracket 12 are respectively hard plastic brackets.
Further, as shown in fig. 2, fig. 3 and fig. 4, a soft rubber pad 4 is further embedded in the cell fixing groove 13 of the first support 11, the soft rubber pad 4 is located between the electrical connection sheet 3 and the bottom surface of the cell fixing groove 13, the soft rubber pad 4 includes a connection sheet contact portion 41 which is in a strip shape and is in contact with the electrical connection sheet 3, the connection sheet contact portion 41 is provided with positioning columns 42 which are uniformly distributed at intervals and respectively extend towards the side away from the electrical connection sheet 3 in a protruding manner, and each positioning column 42 and the connection sheet contact portion 41 are respectively of an integrated structure; the bottom surface of the battery cell fixing groove 13 of the first support 11 is provided with support positioning holes 111 corresponding to the positioning posts 42, and the positioning posts 42 of the soft rubber pad 4 are inserted into the corresponding support positioning holes 111. Preferably, the soft rubber pad 4 is a silica gel pad; of course, the above materials do not limit the present invention, that is, the soft rubber pad 4 of the present invention can also be made of other soft plastic materials.
Furthermore, as shown in fig. 2, the first support 11 and the second support 12 are fastened and connected by a locking bolt 5, and the battery cell module 2 is tightly clamped and fixed between the first support 11 and the second support 12; the first bracket 11 is provided with a bolt spacer 112 protruding and extending toward the second bracket 12 side corresponding to the locking bolt 5, a bolt through hole 1121 completely penetrating is formed in a core of the bolt spacer 112, and the locking bolt 5 passes through the bolt through hole 1121 of the bolt spacer 112. Preferably, the first bracket 11 is provided with a bracket counterbore 113 corresponding to the nut of the lock bolt 5, and the nut of the lock bolt 5 is embedded into the bracket counterbore 113 of the first bracket 11.
It should be explained that each electrical connection sheet 3 is provided with a leading-out portion 32, the leading-out portion 32 of the electrical connection sheet 3 in the cell fixing groove 13 of the first support 11 extends to the outer end side of the first support 11, and the leading-out portion 32 of the electrical connection sheet 3 in the cell fixing groove 13 of the second support 12 extends to the outer end side of the second support 12; still install the BMS protection shield 6 that is located the side of electric core module 2 between first support 11 and second support 12, BMS protection shield 6 has seted up the protection shield and has led out the groove 61 respectively corresponding to the portion 32 of leading out of each electric connection piece 3, and the portion 32 of leading out of each electric connection piece 3 passes the corresponding protection shield that the BMS protection shield 6 leads to the groove 61 respectively.
To first support 11, the electric core fixed slot 13 of second support 12, clamping the in-process of fixing electric core module 2 through first support 11, second support 12, the both ends of electric core module 2 are embedded into respectively to the first support 11 of corresponding side, in the electric core fixed slot 13 of second support 12, electric core fixed slot 13 can be fixed a position electric core module 2 effectively, can realize electric core module 2 and clamp the location fast on the one hand, on the other hand can improve electric core module 2 effectively and clamp fixed stability. The utility model discloses an electric connection piece 3 inlays and adorns in electric core fixed slot 13, and electric connection piece 3's shape is unanimous with electric core fixed slot 13's profile shape, promptly the utility model discloses an electric core fixed slot 13 can also accurately fix a position electric connection piece 3 to realize that electric connection piece 3 clamps the purpose of location fast.
It should be emphasized that, for the first support 11, the bolt through hole 1121 of the bolt spacing column 112 is used for the locking bolt 5 to pass through, in the process that the first support 11 and the second support 12 are fastened and connected through the locking bolt 5 and clamp the battery cell module 2, the locking bolt 5 passes through the bolt through hole 1121 of the bolt spacing column 112 and locks the first support 11 and the second support 12 together, and after the battery cell module 2 is completely fixed, the bolt spacing column 112 can effectively separate the battery cell from the locking bolt 5 to prevent the locking bolt 5 from touching the battery cell. For the bolt counter bore provided in the first bracket 11, it is used for inserting the nut of the lock bolt 5, so that the nut surface of the lock bolt 5 is lower than the bracket large surface, and the assembly of the first bracket 11 and the housing is not affected.
To the utility model discloses a soft rubber cushion 4, during the installation, each reference column 42 of soft rubber cushion 4 inserts respectively to first support 11 corresponding support locating hole 111 in, cooperatees through support locating hole 111 and the reference column 42 that software filled up, the utility model discloses can realize the installation of soft rubber cushion 4 quick location. The utility model discloses a flexible glue pad 4 has high elasticity and acid and alkali resistance, and at first support 11, second support 12 with electric core module 2 card fastening regularly, flexible glue pad 4 is compressed by the locking force of locking bolt 5, and this compression effect makes flexible glue pad 4 can provide the pretension effort for electric core module 2, and the pretension effort can make the electrode of electric core and electric connection piece 3 hug closely, and then guarantees electric connection's reliable and stable nature and guarantee battery normal operating.
It should further be noted that, the utility model discloses an each electric connection piece 3 has seted up cross recess 31 respectively in the electrode contact position with electric core module 2, and the effect of this cross recess 31 lies in: the electric connection sheet 3 has certain elasticity, and the electrode contact position of the electric connection sheet 3 can slightly deform along with the elasticity of the soft rubber cushion 4, so that the electric connection sheet 3 can be ensured to be in close contact with the electrode of the battery cell.
Synthesize the above-mentioned condition and know, through above-mentioned structural design, the utility model has the advantages of structural design is novel, reliable and stable nature is good, and can avoid the adverse factor because of electric core electrode and connection piece welding bring effectively.
The above description is only for the preferred embodiment of the present invention, and for those skilled in the art, there are variations on the detailed description and the application scope according to the idea of the present invention, and the content of the description should not be construed as a limitation to the present invention.
Claims (6)
1. The utility model provides a exempt from to weld electric core module group structure in groups which characterized in that: the battery cell module comprises a first support (11) and a second support (12) which are opposite and arranged at intervals, wherein a battery cell module (2) is arranged between the first support (11) and the second support (12), the first support (11) and the second support (12) are respectively provided with a battery cell fixing groove (13) which is open towards the side of the battery cell module (2) and has the shape consistent with the outline shape of the battery cell module, two end parts of the battery cell module (2) are respectively embedded in the battery cell fixing grooves (13) of the first support (11) and the second support (12) at the corresponding sides, electric connecting sheets (3) with the shapes consistent with the outline shapes of the corresponding battery cell fixing grooves (13) are respectively embedded in the battery cell fixing grooves (13) of the first support (11) and the second support (12), and electrodes of the battery cell module (2) are respectively contacted with the electric connecting sheets (3) at the corresponding sides;
a soft rubber pad (4) is further embedded in the battery cell fixing groove (13) of the first support (11), the soft rubber pad (4) is located between the electrical connection sheet (3) and the bottom surface of the battery cell fixing groove (13), the soft rubber pad (4) comprises a connection sheet contact part (41) which is in a strip shape and is in contact with the electrical connection sheet (3), the connection sheet contact part (41) is provided with positioning columns (42) which are uniformly distributed at intervals and respectively extend towards the side away from the electrical connection sheet (3), and each positioning column (42) and the connection sheet contact part (41) are of an integrated structure; the bottom surface of the battery cell fixing groove (13) of the first support (11) is provided with support positioning holes (111) corresponding to the positioning columns (42), and the positioning columns (42) of the soft rubber pad (4) are inserted into the corresponding support positioning holes (111) respectively;
the first support (11) is fixedly connected with the second support (12) through a locking bolt (5), and the battery cell module (2) is tightly clamped and fixed between the first support (11) and the second support (12); the first support (11) is provided with a bolt spacing column (112) protruding and extending towards the second support (12) side corresponding to the locking bolt (5), a bolt through hole (1121) completely penetrating is formed in the core of the bolt spacing column (112), and the locking bolt (5) penetrates through the bolt through hole (1121) of the bolt spacing column (112).
2. The welding-free cell module grouping structure of claim 1, wherein: and cross grooves (31) are respectively formed in the positions, in which the electric connection sheets (3) are contacted with the electrodes of the battery cell module (2).
3. The welding-free cell module grouping structure of claim 1, wherein: each electric connection piece (3) is provided with a leading-out part (32), the leading-out part (32) of each electric connection piece (3) in the cell fixing groove (13) of the first support (11) extends to the outer end side of the first support (11), and the leading-out part (32) of each electric connection piece (3) in the cell fixing groove (13) of the second support (12) extends to the outer end side of the second support (12);
still install between first support (11) and second support (12) and be located BMS protection shield (6) of electricity core module (2) side, BMS protection shield (6) have seted up protection shield through groove (61) respectively corresponding lead-out portion (32) of each electric connection piece (3), and lead-out portion (32) of each electric connection piece (3) pass through corresponding protection shield through groove (61) of BMS protection shield (6) respectively.
4. The welding-free cell module grouping structure of claim 1, wherein: the first support (11) is provided with a support counter bore (113) corresponding to the nut of the locking bolt (5), and the nut of the locking bolt (5) is embedded into the support counter bore (113) of the first support (11).
5. The welding-free cell module grouping structure of claim 1, wherein: the soft rubber cushion (4) is a silica gel cushion.
6. The welding-free cell module grouping structure of claim 1, wherein: the first support (11) and the second support (12) are respectively hard plastic supports.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2020220119762 | 2020-09-15 | ||
| CN202022011976 | 2020-09-15 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214227028U true CN214227028U (en) | 2021-09-17 |
Family
ID=77692236
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120320492.8U Active CN214227028U (en) | 2020-09-15 | 2021-02-04 | Welding-free battery cell module group structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214227028U (en) |
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2021
- 2021-02-04 CN CN202120320492.8U patent/CN214227028U/en active Active
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