CN216958382U - Battery module and battery pack - Google Patents
Battery module and battery pack Download PDFInfo
- Publication number
- CN216958382U CN216958382U CN202220599743.5U CN202220599743U CN216958382U CN 216958382 U CN216958382 U CN 216958382U CN 202220599743 U CN202220599743 U CN 202220599743U CN 216958382 U CN216958382 U CN 216958382U
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- battery module
- main body
- fixing
- conductive bar
- conductive
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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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- Connection Of Batteries Or Terminals (AREA)
Abstract
The utility model discloses a battery module and a battery pack, which comprise a shell, wherein an accommodating cavity is formed in the shell; the battery pack is integrated in the accommodating cavity and comprises a plurality of single batteries; a plurality of conductive bars, each conductive bar being electrically connected to at least two of the unit cells; the top covers are covered on the conducting bars, and the projection area of the top covers along the height direction of the single batteries is not smaller than that of the conducting bars; the top cover is connected with the conducting bar in a clamping manner; the top cover is provided with a fixing part on one side close to the collection wire harness, and the collection wire harness is fixedly connected with the fixing part. According to the battery module, each conductive bar is correspondingly provided with the top cover, the top covers fix the collecting wire harnesses through the fixing parts, the safety protection effect is improved, the production cost of the top covers is lower than that of an integral top cover, the cost is saved, an insulating plate does not need to be additionally arranged on each top cover for protection, and the production cost is further reduced.
Description
Technical Field
The utility model relates to the technical field of batteries, in particular to a battery module and a battery pack.
Background
The battery module generally includes a case; the battery pack is arranged in the accommodating cavity of the shell and comprises a plurality of single batteries; the top cover is integrally covered on the top of the battery pack so as to install and fix the acquisition wiring harness through the top cover; the plurality of conductive bars are clamped on the top cover, and each conductive bar is electrically connected with at least two single batteries so as to realize the serial connection and/or the parallel connection of the battery packs; and the insulating plate is covered on the top cover so as to avoid touching the conducting bar through the safety protection of the insulating plate.
Based on the structure of the battery module in the prior art, it is not difficult to find that the structure in the prior art has the following disadvantages:
1. the top cover is integral, the area is large, and the cost of the die is high;
2. the insulating board needs to be fixed on the top cover, so that the working procedures are increased, and the production cost is improved.
Therefore, in view of the above technical problems, it is an urgent need for those skilled in the art to develop a novel battery module and a novel battery pack.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a novel battery module and a battery pack, wherein an insulating plate is omitted, a plurality of top covers and conductive bars are correspondingly arranged one by one, and the top covers are provided with a wire harness fixing function.
In order to achieve the above purpose, the utility model provides the following technical scheme:
the utility model provides a battery module, which comprises:
a housing, the interior of which is formed as an accommodating cavity;
a battery pack integrated within the receiving cavity, the battery pack including a plurality of cells;
a plurality of conductive bars, each of which is electrically connected with at least two of the unit cells; and
the top covers correspond to the conductive bars one by one, the top covers are covered on the conductive bars, and the projection area of the top covers along the height direction of the single batteries is not smaller than that of the conductive bars;
the top cover is connected with the conductive bar in a clamping manner;
the top cover is provided with a fixing part on one side close to the collection wire harness, and the collection wire harness is fixedly connected with the fixing part through the fixing part.
Further, the top cover includes:
the main body part is covered on the conductive bar;
the two groups of connecting parts and one positioning column are arranged on the main body part;
the conductive bar is positioned through the positioning column, and the conductive bar is connected with the main body part in a clamping manner through the connecting part.
Further, the main body part is box-shaped, and the inside of the box-shaped structure is formed to accommodate the conductive bar.
Furthermore, the conducting bar is provided with a convex part protruding towards the main body part, and the convex part is provided with a positioning hole;
the two groups of connecting parts are arranged at intervals along the width direction of the conductive bar, and each group of connecting parts comprises two connecting parts which are arranged at intervals along the length direction of the conductive bar;
the positioning column is embedded into the positioning hole.
Further, the collection harness has at least one collection portion;
the collecting part is positioned on one surface of the conductive bar facing the main body part and positioned between the corresponding connecting part and the convex part.
Further, the connection portion includes:
a connecting arm, one end of which is connected with the main body part; and
the clamping part is connected to the end part of one end, far away from the main body part, of the connecting arm;
two along the width direction symmetrical arrangement of main part form the inserted hole between the joint portion, electrically conductive row pass through the inserted hole insert and with the connecting portion joint is connected.
Further, the fixing portion includes:
the binding buckle is positioned on the outer surface of the side wall of one side of the main body part and extends along the routing direction of the acquisition wiring harness, and two ends of the binding buckle are connected with the side wall of the main body part and form a through hole with the side wall; and
a strap passing through the through-hole to secure the collection wire bundle to the top cap.
Furthermore, a gap is formed in the side wall integrating one side of the fixing part, and the gap extends along the length direction of the conductive bar to avoid the collecting part through the gap;
the side wall opposite to one side of the fixing part is provided with a group of connecting parts, and a gap is formed between each connecting part and the side wall.
The utility model discloses a battery pack, which is provided with a cable or a wiring harness, wherein the cable or the wiring harness extends along the length direction of a battery module;
the battery pack is provided with two fixing parts;
one of the fixing parts is used for fixing the collecting wire harness;
the other fixing part is used for fixing the cable or the wiring harness.
In the above technical scheme, the battery module and the battery pack provided by the utility model have the following beneficial effects:
according to the battery module, each conductive bar is correspondingly provided with the top cover, the top covers fix the collecting wire harnesses through the fixing parts, the safety protection effect is improved, the production cost of the top covers is lower than that of an integral top cover, the cost is saved, an insulating plate does not need to be additionally arranged on each top cover for protection, and the production cost is further reduced.
According to the battery module, the collecting wire harness is directly fixed on the top surface of the single battery by the fixing part on the side surface of the top cover, and compared with the mode that the collecting wire harness is arranged on the top cover and the insulating plate is arranged in the prior art, the overall height of the battery module is reduced.
The battery pack is provided with two fixing parts, one fixing part is used for fixing the collecting wiring harness, and the other fixing part is used for fixing the cable or the wiring harness, so that the cable or the wiring harness is effectively prevented from crossing over an insulating plate in the prior art, and the internal height space of the battery pack is reduced.
Drawings
In order to more clearly illustrate the embodiments of the present application or technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to the drawings.
Fig. 1 is a schematic structural diagram of a battery module according to an embodiment of the present invention;
fig. 2 is a partially enlarged view of a fixing portion of a battery module according to an embodiment of the present invention;
fig. 3 is a schematic view of a connection structure between a top cover and a conductive bar of a battery module according to an embodiment of the utility model.
Description of reference numerals:
1. a housing; 2. a battery pack; 3. collecting a wire harness; 4. a top cover; 5. a conductive bar;
301. a collecting part;
401. a fixed part; 402. a main body portion; 403. a side wall; 404. a positioning column; 405. a connecting portion;
40101. binding a belt; 40102. fastening;
40501. a connecting arm; 40502. a clamping part;
501. a convex portion.
Detailed Description
In order to make the technical solutions of the present invention better understood, those skilled in the art will now describe the present invention in further detail with reference to the accompanying drawings.
See fig. 1-3;
in the first embodiment, the first embodiment discloses a novel battery module;
this battery module includes:
a housing 1, wherein the interior of the housing 1 is formed into a containing cavity;
a battery pack 2 integrated in the housing chamber, the battery pack 2 including a plurality of unit cells;
a plurality of conductive bars 5, each conductive bar 5 being electrically connected to at least two unit cells; and
the top covers 4 correspond to the conductive bars 5 one by one, the top covers 4 are covered on the conductive bars 5, and the projection area of the top covers 4 along the height direction of the single batteries is not smaller than the projection area of the conductive bars 5;
the top cover 4 is connected with the conductive bar 5 in a clamping manner;
the top cover 4 has a fixing portion 401 on a side close to the collecting harness 3, and is fixedly connected to the collecting harness 3 through the fixing portion 401.
Specifically, the battery module disclosed in the first embodiment includes a housing 1, a battery pack 2, a plurality of conductive bars 5, and top covers 4 corresponding to the conductive bars 5 one to one; according to the integration requirement of the battery pack 2, an accommodating cavity capable of accommodating the battery pack 2 is processed in the housing 1, and meanwhile, the battery pack 2 is a collection of a plurality of single batteries. The top cover 4 of the first embodiment is installed in one-to-one correspondence with the conductive bars 5, and the fixing portion 401 is provided on the side of the top cover 4 close to the collecting harness 3, so that the collecting harness 3 is fixed by the fixing portion 401. Through this kind of mode, both can realize gathering the fixed of pencil 3, can realize safety protection again, and this embodiment adopts a plurality of top caps 4 and the cooperation of leading electrical bar 5 moreover, compares 4 manufacturing cost reductions of integral top cap, has practiced thrift the cost, need not establish the insulation board as the protection in addition at top cap 4 upper cover, reduction in production cost.
Preferably, the top cover 4 of the first embodiment comprises:
a main body 402, wherein the main body 402 covers the conductive bar 5;
two sets of connecting parts 405 and a positioning column 404 are arranged on the main body part 402;
the conductive bar 5 is positioned by the positioning column 404, and the conductive bar 5 is connected with the main body 402 by the connecting part 405 in a clamping manner.
The body portion 402 is box-shaped, and the interior of the box-like structure is formed to accommodate the conductive bar 5.
The conductive bar 5 has a protrusion 501 protruding toward the main body 402, and the protrusion 501 has a positioning hole;
the two groups of connecting parts 405 are arranged at intervals along the width direction of the conductive bar 5, and each group of connecting parts 405 comprises two connecting parts 405 arranged at intervals along the length direction of the conductive bar 5;
positioning post 404 is inserted into the positioning hole.
First, in order to connect the conductive bar 5 to the top cover 4 and to position accurately, a convex portion 501 protruding toward the main body 402 is formed at the middle position of the conductive bar 5, the positioning hole is formed at the middle position of the convex portion 501, and the positioning column 404 at the middle position of the main body 402 is matched with the positioning hole, so that the conductive bar 5 is positioned and connected by the two sets of connecting portions 405 in a snap-fit manner.
Preferably, the collecting harness 3 of the first embodiment has at least one collecting part 301;
the collecting portions 301 are located on a surface of the conductive bar 5 facing the main body portion 402 and between the corresponding connecting portions 405 and the convex portions 501.
The collecting unit 301 according to the first embodiment may be a terminal, or may be a separate temperature sensor, a nickel plate, or an aluminum plate, and the terminal is illustrated as an example to show a connection structure, and the temperature and voltage information collection of the battery is realized through the terminal. When the collecting part 301 is a temperature sensor and a nickel sheet or an aluminum sheet, the temperature sensor is adhered to the conductive bar 5, and the nickel sheet or the aluminum sheet is welded to the conductive bar 5.
Preferably, the connection portion 405 includes:
a connecting arm 40501, one end of the connecting arm 40501 being connected to the main body 402; and
a snap-in portion 40502 connected to an end portion of the connecting arm 40501 remote from the main body portion 402;
two snap-in portions 40502 symmetrically arranged in the width direction of the main body 402 form an insertion opening therebetween, through which the conductive bar 5 is inserted and snap-connected to the connecting portion 405.
In order to realize the clamping connection between the conductive bar 5 and the top cover 4, under the positioning action of the positioning column 404, the clamping connection of the connection portion 405 is further required, and the connection portion 405 related to the first embodiment forms the clamping connection for the conductive bar 5, specifically: connecting portion 405 includes linking arm 40501 and joint portion 40502, joint portion 40502 is connected with main part 402 through linking arm 40501, and be formed into electrically conductive row 5 male inserted hole between joint portion 40502, when electrically conductive row 5 inserts, linking arm 40501 can produce deformation, let electrically conductive row 5 get into smoothly, and after electrically conductive row 5 accomplishes the insertion operation, linking arm 40501 can automatic re-setting, thereby realize electrically conductive row 5's joint and connect, and will electrically conductive row 5 welding on the battery cell, and with through locating hole and reference column 404 cooperation, thereby make top cap 4 fix completely on electrically conductive row 5.
In addition, the fixing portion 401 includes:
the tie 40102 is positioned on the outer surface of the side wall 403 on one side of the main body part 402, the tie 40102 extends along the routing direction of the acquisition wire harness 3, and two ends of the tie 40102 are connected with the side wall 403 of the main body part 402 and form a through hole with the side wall 403; and
a tie 40101, the tie 40101 passing through the through hole to secure the collection harness 3 to the header 4.
Based on the above embodiments, it is further explained that:
a notch is formed in the side wall 403 on one side of the integrated fixing part 401, and extends along the length direction of the conductive bar 5 to pass through the notch to avoid the collecting part 301;
a pair of connecting portions 405 is provided on the side wall 403 on the side of the fixing portion 401, and a gap is formed between the connecting portions 405 and the side wall 403.
Firstly, the gap of the top cover 4 is arranged, and the top cover can avoid the acquisition part 301; the connecting portion 405 on one side of the fixing portion 401 can be directly connected to the main body portion 402, and the connecting portion 402 on the opposite side of the sidewall 403 needs to have a gap with a certain size at the connection portion of the connecting arm 40501 and the sidewall 403 in consideration of the problem of elastic deformation, so that the elastic deformation is realized through the gap, and the conductive bar 5 can be smoothly inserted.
The second embodiment discloses a battery pack with the battery module;
the method specifically comprises the following steps:
the battery pack is provided with a cable or a wiring harness, and the cable or the wiring harness extends along the length direction of the battery module;
the battery pack has two fixing portions 401;
a fixing portion 401 for fixing the collection wire harness 3;
the other fixing portion 401 is used for fixing a cable or a wire harness.
In the above technical scheme, the battery module and the battery pack provided by the utility model have the following beneficial effects:
according to the battery module, the top cover 4 is correspondingly arranged on each conductive bar 5, the top cover 4 fixes the collecting wire harness 3 through the fixing part 401, the safety protection effect is improved, the production cost of the top covers 4 is lower than that of an integral top cover 4, the cost is saved, an insulating plate does not need to be additionally arranged on the top cover 4 to serve as protection, and the production cost is further reduced.
According to the battery module, the collecting wire harness 3 is directly fixed on the top surface of the single battery by the fixing part 401 on the side surface of the top cover 4, and compared with the mode that the collecting wire harness 3 is arranged on the top cover 4 and an insulating plate is arranged in the prior art, the overall height of the battery module is reduced.
The battery pack is provided with two fixing parts 401, one fixing part is used for fixing the collecting wiring harness 3, and the other fixing part is used for fixing the cable or the wiring harness, so that the cable or the wiring harness is effectively prevented from crossing over an insulating plate in the prior art, and the internal height space of the battery pack is reduced.
While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the utility model. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the utility model.
Claims (9)
1. Battery module, its characterized in that, this battery module includes:
the device comprises a shell (1), wherein an accommodating cavity is formed inside the shell (1);
a battery pack (2) integrated in the housing cavity, the battery pack (2) comprising a plurality of single cells;
a plurality of conductive bars (5), each conductive bar (5) being electrically connected to at least two of the unit cells; and
the top covers (4) correspond to the conductive bars (5) one by one, the top covers (4) are covered on the conductive bars (5), and the projection area of the top covers (4) along the height direction of the single batteries is not smaller than the projection area of the conductive bars (5);
the top cover (4) is connected with the conductive bar (5) in a clamping manner;
the top cover (4) is provided with a fixing part (401) on one side close to the collection wire harness (3), and the collection wire harness (3) is fixedly connected through the fixing part (401).
2. The battery module according to claim 1, wherein the top cover (4) comprises:
the main body part (402), the main body part (402) is covered on the conductive bar (5);
two groups of connecting parts (405) and one positioning column (404) are arranged on the main body part (402);
electrically conductive row (5) pass through reference column (404) location, just electrically conductive row (5) pass through connecting portion (405) with main part (402) joint is connected.
3. The battery module according to claim 2, wherein the body portion (402) is box-shaped, the inside of the box-shaped structure being formed to accommodate the conductive bars (5).
4. The battery module according to claim 2, wherein the conductive bar (5) has a protrusion (501) protruding toward the main body (402), and the protrusion (501) is provided with a positioning hole;
the two groups of connecting parts (405) are arranged at intervals along the width direction of the conductive bar (5), and each group of connecting parts (405) comprises two connecting parts (405) which are arranged at intervals along the length direction of the conductive bar (5);
the positioning column (404) is embedded in the positioning hole.
5. The battery module according to claim 4, characterized in that the collecting harness (3) has at least one collecting part (301);
the collecting part (301) is positioned on one surface of the conductive bar (5) facing the main body part (402) and between the corresponding connecting part (405) and the convex part (501).
6. The battery module according to claim 2, wherein the connection part (405) comprises:
a connecting arm (40501), one end of the connecting arm (40501) being connected to the main body portion (402); and
a clamping part (40502) connected to the end part of the connecting arm (40501) far away from one end of the main body part (402);
an insertion opening is formed between the two clamping parts (40502) symmetrically arranged along the width direction of the main body part (402), and the conductive bar (5) is inserted through the insertion opening and is connected with the connecting part (405) in a clamping mode.
7. The battery module according to claim 5, wherein the fixing portion (401) comprises:
the tie buckle (40102) is positioned on the outer surface of the side wall (403) on one side of the main body part (402), the tie buckle (40102) extends along the routing direction of the acquisition wiring harness (3), and two ends of the tie buckle (40102) are connected with the side wall (403) of the main body part (402) and form through holes with the side wall (403); and
a tie (40101), said tie (40101) passing through said through hole to secure said collection harness (3) to said header (4).
8. The battery module according to claim 7, wherein the side wall (403) integrating one side of the fixing portion (401) is formed with a notch extending in a length direction of the conductive bar (5) to escape from the collecting portion (301) therethrough;
a set of the connecting parts (405) is arranged on the side wall (403) opposite to the fixing part (401), and a gap is formed between the connecting parts (405) and the side wall (403).
9. A battery pack having a cable or a wire harness, wherein the cable or the wire harness extends in a length direction of the battery module according to any one of claims 1 to 8;
the battery pack has two fixing portions (401);
one of the fixing portions (401) is used for fixing the collecting wire harness (3);
the other fixing part (401) is used for fixing the cable or the wiring harness.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220599743.5U CN216958382U (en) | 2022-03-18 | 2022-03-18 | Battery module and battery pack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220599743.5U CN216958382U (en) | 2022-03-18 | 2022-03-18 | Battery module and battery pack |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216958382U true CN216958382U (en) | 2022-07-12 |
Family
ID=82297897
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220599743.5U Active CN216958382U (en) | 2022-03-18 | 2022-03-18 | Battery module and battery pack |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216958382U (en) |
-
2022
- 2022-03-18 CN CN202220599743.5U patent/CN216958382U/en active Active
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