CN112542659A - Connecting module for power battery and production process - Google Patents
Connecting module for power battery and production process Download PDFInfo
- Publication number
- CN112542659A CN112542659A CN202011432890.5A CN202011432890A CN112542659A CN 112542659 A CN112542659 A CN 112542659A CN 202011432890 A CN202011432890 A CN 202011432890A CN 112542659 A CN112542659 A CN 112542659A
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- CN
- China
- Prior art keywords
- circuit board
- conductive
- power battery
- connection module
- main body
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- 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.)
- Pending
Links
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 16
- 238000003466 welding Methods 0.000 claims abstract description 22
- RVCKCEDKBVEEHL-UHFFFAOYSA-N 2,3,4,5,6-pentachlorobenzyl alcohol Chemical group OCC1=C(Cl)C(Cl)=C(Cl)C(Cl)=C1Cl RVCKCEDKBVEEHL-UHFFFAOYSA-N 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 2
- 238000003754 machining Methods 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 238000012544 monitoring process Methods 0.000 description 4
- 238000011161 development Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000005476 soldering Methods 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 229910052814 silicon oxide Inorganic materials 0.000 description 1
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
- Battery Mounting, Suspending (AREA)
- Connection Of Batteries Or Terminals (AREA)
Abstract
The invention discloses a connecting module for a power battery and a production process, and relates to the technical field of conductive connection. The technical scheme is characterized by comprising a circuit board, wherein a plurality of conductive strips are fixedly arranged on the circuit board; the conductive strip comprises a conductive main body, and welding sections are arranged at two ends of the conductive main body; and a through hole matched with the welding section is formed in the circuit board, and the end part of the welding section can be pressed into the through hole. The invention achieves the effects of simple structure, low production cost and high production efficiency.
Description
Technical Field
The invention relates to the technical field of conductive connection, in particular to a connecting module for a power battery and a production process.
Background
With the rapid development of the new energy automobile industry, the battery industry has also entered a rapid development path. For a new energy automobile, a power battery of the new energy automobile is generally formed by connecting a plurality of battery packs, and each battery pack is formed by connecting a plurality of single batteries. For the power battery, besides the battery needs to be well connected to ensure the normal operation of the battery pack, various parameters of the battery pack need to be monitored.
The battery pack is connected by using a conductive metal plate, and parameter monitoring needs to connect a monitoring point to a circuit board. The traditional mode is that a plurality of monitoring points are connected to a circuit board through leads, but the mode has complex installation procedures, large workload and easy error. The existing mode is that the circuit board and the current conducting plate are pressed together through an insulating film, and the mode is simple in structure and convenient to install.
The prior chinese patent publication No. CN103313509A discloses a metal-based conductive circuit board and a method for manufacturing the same, which includes a bottom layer, an insulating layer and a conductive layer, wherein the bottom layer is made of metal, the insulating layer is disposed on the bottom layer, the insulating layer is made of silicon oxide, and the conductive layer is disposed on the insulating layer.
However, the metal-based conductive circuit board has relatively complex process steps and relatively high price.
Disclosure of Invention
In view of the defects in the prior art, an object of the present invention is to provide a connection module for a power battery, which has the advantages of simple structure, low production cost and high production efficiency.
In order to achieve the purpose, the invention provides the following technical scheme:
a connecting module for a power battery comprises a circuit board, wherein a plurality of conductive strips are fixedly arranged on the circuit board; the conductive strip comprises a conductive main body, and welding sections are arranged at two ends of the conductive main body; and a through hole matched with the welding section is formed in the circuit board, and the end part of the welding section can be pressed into the through hole.
Further, the conducting strips and the circuit board are fixed through riveting.
Furthermore, two rivets connected with the circuit board penetrate through the conductive main body.
Further, the connecting line of the two rivets is intersected with the middle line of the conductive strip along the length direction.
Further, the connecting line of the two rivets and the center line of the conductive strip along the length direction are intersected in a non-perpendicular mode.
Further, the width of the soldering section is smaller than the width of the conductive body.
Furthermore, a plurality of sensing devices are arranged on the circuit board, and mounting holes matched with the sensing devices are formed in the conductive main body.
Further, the conducting strips are copper strips or aluminum strips.
Another object of the present invention is to provide a production process of the connection module for power battery, which includes the following steps: and fixing the conductive strips on a circuit board by at least two rivets, wherein the circuit board is a PCBA board.
In conclusion, the invention has the following beneficial effects:
1. the plurality of conductive bars are fixed on the circuit board through rivets, the using effect of the bus bar is the same as that of the existing laminated busbar structure, but an insulating film material is not needed, so that the production cost can be reduced;
2. the welding section has the moving amount, so that the requirement on the machining precision of parts can be reduced, the integral assembly is ensured by compensating deformation during assembly, the requirement on the machining precision of the parts can be reduced, and the assembly difficulty of the connecting module and the battery pack is reduced;
3. the conductive strips are assembled on the circuit board through the rivets in a mechanical and automatic mode, so that the equipment cost can be reduced, and the production efficiency can be greatly improved;
4. the conducting bar and the circuit board are fixed by rivets, and compared with welding, the conducting bar cannot vibrate and fall off, and the stability is better.
Drawings
Fig. 1 is a first schematic structural diagram of a power battery connection module in embodiment 1;
fig. 2 is a schematic structural diagram of a power battery connection module in embodiment 1.
In the figure: 1. a circuit board; 11. a through hole; 21. a conductive body; 22. welding a section; 23. mounting holes; 3. riveting; 4. a sensing device.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.
Example 1:
a power battery connecting module, referring to fig. 1 and 2, comprises a circuit board 1, wherein the circuit board 1 is a PCBA board, a plurality of sensing devices 4 are attached to the PCBA board, and the types of the sensing devices 4 comprise a plurality of types and are used for monitoring parameters such as temperature and the like; a plurality of conductive strips are fixedly arranged on the circuit board 1, the conductive strips are copper strips or aluminum strips, the conductive strips comprise a conductive main body 21 in the embodiment, welding sections 22 are arranged at two ends of the conductive main body 21, and the welding sections 22 are used for being welded and fixed with electrode ends of the battery; the circuit board 1 is provided with a through hole 11 matched with the welding section 22, and the purpose of the through hole 11 is to weld the welding section 22 with a battery; the end part of the welding section 22 can be pressed into the through hole 11, so that the welding section 22 has the moving amount, the requirement on the machining precision of parts can be reduced, the integral assembly is ensured by compensating deformation during assembly, the requirement on the machining precision of the parts can be reduced, and the assembly difficulty of the connecting module and the battery pack is reduced; specifically, the length and width of the welding section 22 in the present embodiment are smaller than the diameter of the through hole 11, so that the end of the welding section 22 can be pressed into the through hole 11.
Referring to fig. 1, the conductive body 21 is provided with a mounting hole 23 matching with the sensing device 4, and the sensing device 4 is a temperature sensor in this embodiment, so that the temperature change condition of the conductive body 21 can be monitored.
Referring to fig. 1, the bus bar is riveted to the circuit board 1, in this embodiment, two rivets 3 connected to the circuit board 1 penetrate through the conductive main body 21, and a connection line of the two rivets 3 is disposed in a non-perpendicular intersecting manner with respect to a center line of the bus bar along a length direction, so that the connection stability of the bus bar and the circuit board 1 can be ensured; meanwhile, the width of the soldering section 22 is smaller than the width of the conductive body 21 in this embodiment, so as to improve the connection stability.
Example 2:
a production process of the connection module for power battery in embodiment 1 includes the following steps: and fixing the conductive strips on a circuit board by at least two rivets, wherein the circuit board is a PCBA board.
PCBA is the abbreviation of English Printed Circuit Board Assembly, that is, PCB blank Board is installed on the component through SMT (surface mount technology), or through the whole process of DIP plug-in components, PCBA Board can also be called finished product Circuit Board, in this embodiment, the sensor device is mounted on the Circuit Board through SMT.
Compared with electronic components, the bus bars are large in size, automatic feeding and welding cannot be achieved, manual feeding is needed if SMT is adopted for attaching the bus bars to a circuit board, and production efficiency is low; in the embodiment, the conductive bars are fixed on the circuit board through rivets, and automatic assembly, namely automatic feeding, riveting and blanking, can be realized by adopting a mechanical processing mode, so that the production efficiency can be greatly improved; compared with the existing laminated busbar structure and process, the connecting module does not need to use an insulating film material, so that the raw material cost can be reduced.
Claims (9)
1. A power battery connection module, its characterized in that: the circuit board is fixedly provided with a plurality of conductive strips; the conductive strip comprises a conductive main body, and welding sections are arranged at two ends of the conductive main body; and a through hole matched with the welding section is formed in the circuit board, and the end part of the welding section can be pressed into the through hole.
2. The connection module for power battery according to claim 1, characterized in that: the conducting strips and the circuit board are fixed through riveting.
3. The connection module for power battery according to claim 2, characterized in that: two rivets connected with the circuit board penetrate through the conductive main body.
4. The connection module for power battery according to claim 3, characterized in that: the connecting line of the two rivets is intersected with the middle line of the conductive strip along the length direction.
5. The connection module for power battery according to claim 4, characterized in that: the connecting line of the two rivets and the middle line of the conductive strip along the length direction are intersected in a non-perpendicular mode.
6. The connection module for power battery according to claim 1, characterized in that: the width of the welding section is smaller than that of the conductive main body.
7. The connection module for power battery according to claim 1, characterized in that: the circuit board is provided with a plurality of sensing devices, and the conductive main body is provided with mounting holes matched with the sensing devices.
8. The connection module for power battery according to claim 1, characterized in that: the conducting strips are copper strips or aluminum strips.
9. A production process of the connection module for power battery of claim 3, characterized in that: the method comprises the following steps: and fixing the conductive strips on a circuit board by at least two rivets, wherein the circuit board is a PCBA board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011432890.5A CN112542659A (en) | 2020-12-10 | 2020-12-10 | Connecting module for power battery and production process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011432890.5A CN112542659A (en) | 2020-12-10 | 2020-12-10 | Connecting module for power battery and production process |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112542659A true CN112542659A (en) | 2021-03-23 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011432890.5A Pending CN112542659A (en) | 2020-12-10 | 2020-12-10 | Connecting module for power battery and production process |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112542659A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113131066A (en) * | 2021-03-30 | 2021-07-16 | 合肥国轩高科动力能源有限公司 | Battery module structure |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103390742A (en) * | 2012-05-08 | 2013-11-13 | 三星Sdi株式会社 | Battery pack |
| JP2015050063A (en) * | 2013-09-02 | 2015-03-16 | 株式会社デンソー | Battery pack |
| CN209822766U (en) * | 2019-06-21 | 2019-12-20 | 东莞新能源科技有限公司 | Battery pack and output structure thereof |
| CN211907562U (en) * | 2020-03-31 | 2020-11-10 | 苏州西典机电有限公司 | Connecting module for power battery |
-
2020
- 2020-12-10 CN CN202011432890.5A patent/CN112542659A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103390742A (en) * | 2012-05-08 | 2013-11-13 | 三星Sdi株式会社 | Battery pack |
| JP2015050063A (en) * | 2013-09-02 | 2015-03-16 | 株式会社デンソー | Battery pack |
| CN209822766U (en) * | 2019-06-21 | 2019-12-20 | 东莞新能源科技有限公司 | Battery pack and output structure thereof |
| CN211907562U (en) * | 2020-03-31 | 2020-11-10 | 苏州西典机电有限公司 | Connecting module for power battery |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113131066A (en) * | 2021-03-30 | 2021-07-16 | 合肥国轩高科动力能源有限公司 | Battery module structure |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information | ||
| CB02 | Change of applicant information |
Address after: No. 521, Zhujiang Road, high tech Zone, Suzhou City, Jiangsu Province Applicant after: Suzhou Xidian New Energy Electric Co.,Ltd. Address before: No. 521, Zhujiang Road, high tech Zone, Suzhou City, Jiangsu Province Applicant before: SUZHOU WEST DEANE MACHINERY Inc. |
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| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210323 |