CN212412141U - Battery module and sampling connection wire harness thereof - Google Patents
Battery module and sampling connection wire harness thereof Download PDFInfo
- Publication number
- CN212412141U CN212412141U CN202021535227.3U CN202021535227U CN212412141U CN 212412141 U CN212412141 U CN 212412141U CN 202021535227 U CN202021535227 U CN 202021535227U CN 212412141 U CN212412141 U CN 212412141U
- Authority
- CN
- China
- Prior art keywords
- deformation
- circuit board
- flexible circuit
- electric core
- battery module
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- 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
Landscapes
- Connection Of Batteries Or Terminals (AREA)
Abstract
The utility model relates to a battery module and sampling connecting harness thereof, battery module, include: the battery cell units are respectively provided with sampling connection points; the sampling connection wire harness comprises a flexible circuit board, the flexible circuit board extends along the left and right directions, a conductive connection part is arranged on the flexible circuit board, and the conductive connection part is in conductive connection with the corresponding sampling connection point on the electric core unit through a conductive connection piece; the deformation layer, set up in flexible circuit board's bottom, the deformation layer includes a plurality of deformation pieces that distribute gradually along left right direction, and different deformation piece bottom adhesive fixation is in the top surface of different electric core units, and the deformation piece is made by flexible deformation material processing, and when electric core unit thermal expansion and take place horizontal displacement, horizontal dislocation deformation can take place at the bottom of the deformation piece top, and then can absorb the dislocation effort of applying to flexible circuit board when offsetting electric core unit horizontal displacement, effectively avoids electric core unit atress to tear the problem of coming unstuck.
Description
Technical Field
The utility model relates to a battery module and sampling connecting harness thereof.
Background
With the widespread application of electric vehicles, the safety of automobiles is also receiving more attention, and in particular, higher reliability requirements are put on the safety of battery voltage of the electric vehicles.
At present, a special battery sampling detection circuit is configured corresponding to a battery module, and a sampling connection wire harness is mostly used for being electrically connected with electrodes of corresponding battery cores in the battery module, so that battery voltage collection is realized, and good monitoring is guaranteed. Inside a plurality of electric core units of arranging in proper order along left right direction usually of battery mould, every electric core unit includes single electric core or the electric core of establishing ties more than two, the electrode of the corresponding electric core of sampling connecting harness and each electric core unit is electrically conductive to be connected, it is concrete, the sampling connecting harness adopts the flexible circuit board usually, FPC promptly, the flexible circuit board is sticky to be fixed on electric core surface, the electrode passes through the nickel piece on aluminium silk and the flexible circuit board as electric core sampling point and is connected, wherein, ultrasonic welding is passed through on the nickel piece of ultrasonic welding fixation on the flexible circuit board to the one end of aluminium silk, the other end is then welded on the electric core sampling point of battery.
In the use, because the vehicle often charges and discharges, the inside electric core of battery module can appear horizontal displacement because of the inflation that generates heat, lead to flexible circuit board and electric core surface to tear degummed, at this moment, if the vehicle produces vibrations at the in-process of traveling, will arouse to lack fixed flexible circuit board and take place vibrations by a wide margin, shake disconnected aluminium silk, lead to the aluminium silk to drop, the sampling connection pencil damages, finally lead to the voltage that battery management system can not gather monomer electricity core in the battery module, it is more dangerous, because the aluminium silk drops, the lapped condition appears with other high-pressure parts of battery module easily, thereby produce the short circuit risk, cause dangerous accident.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a sampling connection harness for a battery module, which solves the technical problem that the flexible circuit board and the battery cell are easy to come unstuck when the battery cell has horizontal displacement in the prior art; and simultaneously, the utility model also provides an use the battery module of above-mentioned sampling connecting harness.
In order to achieve the above object, the utility model provides a battery module is with sampling connection pencil's technical scheme is: a sampling connection harness for a battery module, comprising:
the flexible circuit board extends along the left and right direction to correspond to the arrangement direction of the electric core units on the battery module, and is provided with a conductive connecting part for being in conductive connection with corresponding sampling connecting points of the electric core units on the battery module;
the deformation layer, set up in flexible circuit board's bottom, the deformation layer includes a plurality of deformation pieces that distribute gradually along left right direction, and different deformation piece bottoms are used for adhesive fixation in the top surface of different electric core units, and the deformation piece is made by flexible deformation material processing to when electric core unit thermal energy produced horizontal displacement, horizontal dislocation deformation can take place at the bottom of the deformation piece top.
The beneficial effects are that: the utility model provides a sampling connecting wiring for battery module in, the top surface of corresponding electric core unit is fixed in the deformation piece gluing of flexible circuit board bottom, when electric core unit thermal expansion and take place horizontal displacement, can take place the level dislocation and warp at the bottom of the deformation piece top, and then can absorb the dislocation effort of applying to the flexible circuit board when offsetting electric core unit horizontal displacement, effectively avoid electric core unit atress to tear the problem of coming unstuck.
As a further improvement, the deformation layer is made of the flexible deformation material, a plurality of slits extending from the bottom to the top are arranged on the deformation layer along the left-right direction so as to form the deformation block on the deformation layer, and the top of the deformation layer is of an integral structure.
The beneficial effects are that: the deformation block is obtained by cutting a slot on the deformation layer, and the processing is convenient.
As a further improvement, the slit is a cut slit. The processing is convenient.
As a further improvement, the bottom of the flexible circuit board is an insulating sheet layer, and the top of the deformation layer is glued and fixed on the bottom surface of the insulating sheet layer.
The beneficial effects are that: the deformation layer is fixed on the ground of the insulating sheet layer in an adhesive manner, so that the fixing is convenient, and the insulating property can be effectively guaranteed.
As a further improvement, the shear strength of the deformation block in the horizontal direction is less than the adhesive fixation strength of the deformation block.
The utility model provides a battery module's technical scheme is: a battery module, comprising:
the battery cell units are sequentially distributed along the left direction and the right direction, and each battery cell unit is provided with a sampling connection point;
the sampling connection wire harness comprises a flexible circuit board, the flexible circuit board extends along the left and right directions, a conductive connection part is arranged on the flexible circuit board, and the conductive connection part is in conductive connection with the corresponding sampling connection point on the electric core unit through a conductive connection piece;
the deformation layer, set up in flexible circuit board's bottom, the deformation layer includes a plurality of deformation pieces that distribute gradually along left right direction, and different deformation piece bottom adhesive fixation is in the top surface of different electric core units, and the deformation piece is made by flexible deformation material processing to when electric core unit thermal energy produced horizontal displacement, horizontal dislocation deformation can take place at the bottom of the deformation piece top.
The beneficial effects are that: the utility model provides an among the battery module, to sampling connecting wire harness, at the sticky top surface that is fixed in corresponding electric core unit of the deformation piece of flexible circuit board bottom, when electric core unit thermal expansion and take place horizontal displacement, the deformation piece can take place horizontal dislocation and warp at the bottom of the top, and then can absorb the dislocation effort of applying to the flexible circuit board when offsetting electric core unit horizontal displacement, effectively avoid electric core unit atress to tear the problem of coming unstuck.
As a further improvement, the deformation layer is made of the flexible deformation material, a plurality of slits extending from the bottom to the top are arranged on the deformation layer along the left-right direction so as to form the deformation block on the deformation layer, and the top of the deformation layer is of an integral structure.
The beneficial effects are that: the deformation block is obtained by cutting a slot on the deformation layer, and the processing is convenient.
As a further improvement, the slit is a cut slit. The processing is convenient.
As a further improvement, the bottom of the flexible circuit board is an insulating sheet layer, and the top of the deformation layer is glued and fixed on the bottom surface of the insulating sheet layer.
The beneficial effects are that: the deformation layer is fixed on the ground of the insulating sheet layer in an adhesive manner, so that the fixing is convenient, and the insulating property can be effectively guaranteed.
As a further improvement, the shear strength of the deformation block in the horizontal direction is less than the adhesive fixation strength of the deformation block.
Drawings
Fig. 1 is a schematic structural diagram of a battery module according to an embodiment of the present invention;
fig. 2 is a schematic view of an assembly structure of the battery cell, the sampling connection harness and the busbar in fig. 1;
FIG. 3 is a schematic view of the connection structure of the sampling connection harness and the bus bar in FIG. 1;
FIG. 4 is a partial side view of the flexible circuit board of FIG. 3;
fig. 5 is a partial cross-sectional view of the flexible circuit board of fig. 3.
Description of reference numerals:
100-battery cell unit, 300-flexible connecting wire harness, 400-bus bar, 1-connector, 2-flexible circuit board, 3-nickel sheet, 4-aluminum wire, 21-substrate layer, 22-insulating sheet layer, 23-deformation layer, 24-cutting seam and 25-deformation block.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention, i.e., the described embodiments are only some, but not all embodiments of the invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiment of the present invention, all other embodiments obtained by the person skilled in the art without creative work belong to the protection scope of the present invention.
It is noted that relational terms such as "first" and "second," and the like, may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, elements recited by the phrase "comprising an … …" do not exclude the inclusion of such elements in processes or methods.
In the description of the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" when they are used are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; either directly or indirectly through intervening media, or may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those skilled in the art from the specific situation.
In the description of the present invention, it should be noted that, unless explicitly stated or limited otherwise, the term "provided" may be used in a broad sense, for example, the object of "provided" may be a part of the body, or may be arranged separately from the body and connected to the body, and the connection may be a detachable connection or a non-detachable connection. The specific meaning of the above terms in the present invention can be understood by those skilled in the art from the specific situation.
The present invention will be described in further detail with reference to examples.
The utility model provides a battery module's embodiment 1:
as shown in fig. 1 to 5, the battery module in this embodiment includes a casing, a plurality of battery cell units 100 are sequentially stacked in the casing along a left-right direction, adjacent battery cell units 100 are electrically connected by a bus bar 400, and all the battery cell units are electrically connected to form the battery module. In this embodiment, each battery cell unit 100 includes a single battery cell, and in other embodiments, each battery cell unit may include more than two battery cells arranged in series according to actual situations.
For improving the safety performance, the corresponding battery module is usually provided with a battery management system, and the battery management system collects corresponding signals of each electric core unit 100 through a sampling connection harness 300 so as to monitor and manage each electric core unit, and each electric core unit is respectively provided with a sampling connection point for being electrically connected with the sampling connection harness 300 so as to collect corresponding signals.
The sampling connection harness 300 includes a flexible circuit board 2, the flexible circuit board 2 is a strip-shaped structure extending in the left-right direction as a whole, the flexible circuit board 2 is fixedly mounted on the top surface of the electric core unit, and the left end of the flexible circuit board is welded with a connector 1 for connecting with a battery collecting board.
As shown in fig. 3, a plurality of nickel sheets 3 are sequentially arranged at intervals along the left-right direction at the edges of the front and rear sides of the flexible circuit board 2, and the nickel sheets 3 are used as conductive connection parts and are in conductive connection with sampling connection points on the corresponding battery cell units 100 in a one-to-one correspondence manner through conductive connection parts, so that the sampling requirements are met. The conductive connecting piece specifically adopts an aluminum wire 4, one end of the aluminum wire 4 is fixedly connected with the nickel sheet 3 through ultrasonic welding, and the other end of the aluminum wire 4 is connected with the sampling connection point on the corresponding electric core unit in a welding mode.
In order to avoid the influence of the horizontal displacement of the thermal expansion of the cell units on the fixation of the flexible circuit board, the bottom of the flexible circuit board 2 is fixedly provided with the deformation layer 23, the deformation layer 23 is made of a flexible deformation material through processing, in this embodiment, the flexible deformation material specifically adopts silicon foam, as shown in fig. 4 and 5, the flexible circuit board 2 integrally comprises a base material layer 21 and an insulating sheet layer 22 which are fixedly adhered together, the top of the deformation layer 23 is fixedly adhered to the bottom surface of the insulating sheet layer 22, a plurality of cutting seams 24 extending from the bottom to the top are arranged on the deformation layer 23 along the left and right directions, the cutting seams 24 are 1-2 mm, and then deformation blocks 25 are formed on the deformation layer, in this embodiment, the cutting seams are cutting seams, and the. The bottom parts of the different deformation blocks 25 are correspondingly glued and fixed on the top surfaces of different cell units, and the conductive connecting parts and the deformation blocks are generally arranged in one-to-one correspondence with the cell units respectively. Because the deformation piece can realize horizontal dislocation and warp, when electric core unit thermal energy and produce horizontal displacement, the deformation piece can take place horizontal dislocation and warp at the bottom of pushing up, absorbs the injury that electric core warp and bring, avoids direct rigidity to tear the adhesive bonding structure of flexible circuit board, avoids the flexible circuit board the condition that comes unstuck by a large scale to appear, improves flexible circuit board's fixed stability, reduces flexible circuit board vibration amplitude, reduces the risk that the aluminium silk was shaken absolutely.
In fact, in this embodiment, the top surface of the deformation block 25 is fixed to the ground of the insulation sheet layer by pressure sensitive adhesive, the bottom surface of the deformation block 25 is fixed to the top surface of the electric core unit by pressure sensitive adhesive, in order to ensure the deformation absorption capacity of the deformation block, the shear strength in the horizontal direction of each deformation block 25 is smaller than the adhesive fixing strength at both sides of the deformation block, generally speaking, the width in the left-right direction of each deformation block 25 is correspondingly adapted to the width in the left-right direction of each electric core unit, the length in the front-back direction of the deformation block 25 is consistent with the length in the front-back direction of the flexible circuit board, the thickness of the deformation block can be determined according to actual needs, in fact, the flexible deformation material and the thickness of the deformation block are selected. When taking place horizontal displacement at electric core unit 100 thermal energy, horizontal deformation takes place earlier for deformation block 25, horizontal dislocation appears at its top bottom, the horizontal direction deformation that arouses electric core unit inflation converts vertical direction deformation into, can absorb the dislocation effort that applys to the flexible circuit board when offsetting electric core unit horizontal displacement, effectively avoid appearing the problem that the large tracts of land is come unstuck, even the in-process battery module vibrations of traveling like this, because the flexible circuit board still has good fixed, the vibration range of the relative electric core unit of flexible circuit board is still less, there is not the risk of shaking absolutely as the aluminium silk of electrically conductive connecting piece, safety and reliability.
The utility model provides a battery module's embodiment 2:
it differs from example 1 mainly in that: in example 1, the slits in the deformation layer are cut slits, and the deformation blocks are formed by being separated by the slits. In this embodiment, the slit is a non-cutting slit, a portion of the deformation layer is cut to form the deformation block, the top of the deformation layer is still an integral structure, and the depth of the slit 24 is greater than one half of the thickness of the deformation layer as long as the deformation absorption capability of the deformation block is ensured.
The utility model provides a battery module's embodiment 3:
it differs from example 1 mainly in that: in example 1, the slits in the deformation layer are non-cutting slits, and the deformation blocks are formed by being separated by the slits. In this embodiment, the deformation layer may include a flexible insulating plate, the top of the insulating plate is glued to the bottom of the insulating plate, and the bottom is glued to a plurality of independently arranged deformation blocks.
At this time, if the insulating plate can have a good insulating property, the bottom of the flexible circuit board may not be an insulating sheet layer, and thus the requirement for the flexible circuit board may be reduced.
The utility model provides a battery module's embodiment 4:
it differs from example 1 mainly in that: in embodiment 1, a deformation block is formed on a deformation layer using a slit. In the embodiment, each deformation block is prefabricated in advance, and then each deformation block is sequentially adhered and fixed to the bottom of the insulation sheet to form the deformation layer.
The utility model provides a battery module's embodiment 5:
it differs from example 1 mainly in that: in embodiment 1, the conductive connecting member specifically uses an aluminum wire, and in this embodiment, the conductive connecting member specifically uses a nickel strap, and two ends of the nickel strap are correspondingly connected to the sampling connection points of the flexible circuit board and the battery cell unit by welding.
The utility model provides an embodiment 1 of sampling connecting harness for battery module:
the sampling connection pencil in this embodiment includes the flexible circuit board, is equipped with electrically conductive connecting portion on it for through the electrically conductive connection of sampling tie point on electrically conductive connecting piece and the corresponding electric core unit, and, the flexible circuit board bottom corresponds sets up the deformation layer, and the deformation layer includes the deformation piece, in order to be used for absorbing the horizontal displacement that corresponding electric core unit received the thermal energy and brought, and the concrete structure of here sampling connection pencil is the same with the structure of the sampling connection pencil in above-mentioned battery module embodiment 1, no longer specifically gives details here.
Of course, in other embodiments, the sampling connection harness may also adopt the structure of the sampling connection harness in any one of the above battery module embodiments 2 to 5, and details are not repeated herein.
Finally, it should be noted that the above mentioned embodiments are only preferred embodiments of the present invention, and not intended to limit the present invention, and although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made without inventive effort to the technical solutions described in the foregoing embodiments, or equivalents may be substituted for some of the technical features. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A sampling connection harness for a battery module, comprising:
the flexible circuit board extends along the left and right direction to correspond to the arrangement direction of the electric core units on the battery module, and is provided with a conductive connecting part for being in conductive connection with corresponding sampling connecting points of the electric core units on the battery module;
it is characterized by also comprising:
the deformation layer, set up in flexible circuit board's bottom, the deformation layer includes a plurality of deformation pieces that distribute gradually along left right direction, and different deformation piece bottoms are used for adhesive fixation in the top surface of different electric core units, and the deformation piece is made by flexible deformation material processing to when electric core unit thermal energy produced horizontal displacement, horizontal dislocation deformation can take place at the bottom of the deformation piece top.
2. The sampling connection harness for the battery module according to claim 1, wherein the deformation layer is made of the flexible deformable material, a plurality of slits extending from the bottom to the top are formed in the deformation layer in the left-right direction to form the deformation block on the deformation layer, and the top of the deformation layer is of an integral structure.
3. The sampling connection harness for battery modules according to claim 2, wherein the slit is a cut slit.
4. The sampling connection harness for the battery module according to claim 1, 2 or 3, wherein the bottom of the flexible circuit board is an insulating sheet layer, and the top of the deformation layer is adhesively fixed on the bottom surface of the insulating sheet layer.
5. The sampling connection harness for battery modules according to claim 4, wherein the shear strength in the horizontal direction of the deformation block is smaller than the adhesive fixation strength of the deformation block.
6. A battery module, comprising:
the battery cell units are sequentially distributed along the left direction and the right direction, and each battery cell unit is provided with a sampling connection point;
the sampling connection wire harness comprises a flexible circuit board, the flexible circuit board extends along the left and right directions, a conductive connection part is arranged on the flexible circuit board, and the conductive connection part is in conductive connection with the corresponding sampling connection point on the electric core unit through a conductive connection piece;
it is characterized by also comprising:
the deformation layer, set up in flexible circuit board's bottom, the deformation layer includes a plurality of deformation pieces that distribute gradually along left right direction, and different deformation piece bottom adhesive fixation is in the top surface of different electric core units, and the deformation piece is made by flexible deformation material processing to when electric core unit thermal energy produced horizontal displacement, horizontal dislocation deformation can take place at the bottom of the deformation piece top.
7. The battery module as set forth in claim 6, wherein the deformation layer is formed by processing the flexible deformation material, and a plurality of slits extending from the bottom to the top are formed in the deformation layer in the left-right direction to form the deformation block on the deformation layer, and the top of the deformation layer is a unitary structure.
8. The battery module according to claim 7, wherein the slits are cut-off slits.
9. The battery module according to claim 6, 7 or 8, wherein the bottom of the flexible circuit board is an insulating sheet layer, and the top of the deformation layer is glued and fixed on the bottom surface of the insulating sheet layer.
10. The battery module according to claim 9, wherein the deformation block has a shear strength in the horizontal direction that is less than adhesive fixing strengths of both sides of the deformation block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021535227.3U CN212412141U (en) | 2020-07-29 | 2020-07-29 | Battery module and sampling connection wire harness thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021535227.3U CN212412141U (en) | 2020-07-29 | 2020-07-29 | Battery module and sampling connection wire harness thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212412141U true CN212412141U (en) | 2021-01-26 |
Family
ID=74371432
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021535227.3U Active CN212412141U (en) | 2020-07-29 | 2020-07-29 | Battery module and sampling connection wire harness thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212412141U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114094270A (en) * | 2020-07-29 | 2022-02-25 | 郑州深澜动力科技有限公司 | Battery module and sampling connection harness thereof |
-
2020
- 2020-07-29 CN CN202021535227.3U patent/CN212412141U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114094270A (en) * | 2020-07-29 | 2022-02-25 | 郑州深澜动力科技有限公司 | Battery module and sampling connection harness thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN209947879U (en) | Soft package battery packaging structure | |
| CN108140765B (en) | Battery module | |
| CN212412141U (en) | Battery module and sampling connection wire harness thereof | |
| CN110931694A (en) | Battery module with electrode output at same side | |
| CN212113791U (en) | Battery pack with group structure of soft package battery core | |
| CN213782135U (en) | Battery module, battery package and consumer | |
| CN212257472U (en) | Highly-integrated compact battery system | |
| CN212195160U (en) | Battery module thermal runaway collection system, battery module and vehicle | |
| CN209896151U (en) | Battery cell fixing structure of combined battery | |
| CN215184284U (en) | End plate of battery module | |
| CN114094270A (en) | Battery module and sampling connection harness thereof | |
| CN211455790U (en) | Battery module and battery box | |
| CN207183332U (en) | Battery modules | |
| CN212412162U (en) | Battery module | |
| CN210006811U (en) | Battery pack's electric core group, battery pack and vehicle | |
| CN218472176U (en) | Battery module and battery pack | |
| CN102470808B (en) | Junktion block for vehicle | |
| CN103943807A (en) | Electrode connection component of lithium battery pack | |
| CN217182331U (en) | Cell fixing unit and cell stacking module comprising same | |
| CN215184260U (en) | Fixing structure of battery module | |
| CN210837902U (en) | Battery module with electrode output at same side | |
| CN210516851U (en) | Line number isolation plate assembly structure and battery module | |
| CN214124001U (en) | Lithium ion battery module | |
| CN210723203U (en) | Battery module and vehicle | |
| CN212209588U (en) | Battery pack and battery module thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |