CN220774666U - Integrated busbar for battery module - Google Patents
Integrated busbar for battery module Download PDFInfo
- Publication number
- CN220774666U CN220774666U CN202322508089.XU CN202322508089U CN220774666U CN 220774666 U CN220774666 U CN 220774666U CN 202322508089 U CN202322508089 U CN 202322508089U CN 220774666 U CN220774666 U CN 220774666U
- Authority
- CN
- China
- Prior art keywords
- circuit board
- battery module
- integrated busbar
- connection
- temperature sensor
- 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.)
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Links
- 238000007731 hot pressing Methods 0.000 claims abstract description 26
- 239000012528 membrane Substances 0.000 claims description 11
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 6
- 230000004308 accommodation Effects 0.000 claims description 5
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- 229910052759 nickel Inorganic materials 0.000 claims description 3
- 229920001296 polysiloxane Polymers 0.000 claims 1
- 238000012544 monitoring process Methods 0.000 abstract description 6
- 238000004146 energy storage Methods 0.000 description 11
- 230000006872 improvement Effects 0.000 description 7
- 238000005070 sampling Methods 0.000 description 5
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 239000000741 silica gel Substances 0.000 description 4
- 229910002027 silica gel Inorganic materials 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000003993 interaction Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000006386 neutralization reaction Methods 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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
- Secondary Cells (AREA)
Abstract
The utility model provides an integrated busbar for a battery module, which comprises an upper hot-pressing film and a lower hot-pressing film which are arranged in a stacked manner, a circuit board arranged between the upper hot-pressing film and the lower hot-pressing film, wherein a plurality of connection rows for connecting battery cores are sequentially arranged on the circuit board along the length direction, each connection row is electrically connected with the circuit board through a connecting sheet arranged, each connection row is used for being connected with a corresponding battery core post in series from head to tail, a plurality of temperature sensors are arranged on the circuit board, the temperature sensors correspond to the positions of the corresponding connection rows, the connecting sheet is provided with a containing hole for containing the temperature sensors, the connecting sheet is in contact fit with the temperature sensors, a plurality of bulges are arranged at the edge of an opening of the containing hole, and the temperature sensors are surrounded by the bulges. The utility model can achieve the purpose of monitoring the state of the battery cell in real time, and improves the quality and durability of the integrated busbar.
Description
Technical Field
The utility model relates to the technical field of new energy power battery packs and energy storage, in particular to an integrated busbar for a battery module.
Background
To cope with global climate change, carbon neutralization targets are put forward in multiple countries around the world 130, and green low carbon and sustainable development become international consensus. Development of energy storage technology is a necessary condition for the transformation of the propulsion energy structure. In recent years, technology and market quotations of solar power generation and electric power energy storage are developed vigorously, and particularly, the European and American areas have urgent use demands on solar energy and energy storage products and equipment.
At present, most of energy storage systems adopt lithium batteries as storage media, the voltage of battery packs is higher and higher, the capacity is higher and higher, corresponding required battery cores are more and more, an energy storage system BMS needs to monitor the voltage and the temperature of the battery cores in the battery packs, most of energy storage battery module structures are available, each battery core of the battery packs is connected in a mode of electronic wire sampling for voltage and temperature monitoring, more battery cores face more sampling wires which need to be connected, and therefore the energy storage battery module structure has the problems of lower efficiency and lower reliability in production.
In view of the foregoing, it is necessary to provide a solution to the above-mentioned problems.
Disclosure of Invention
The utility model aims at: the integrated busbar for the battery module is provided for solving the problems of lower efficiency and lower reliability of the energy storage battery module during production.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
the utility model provides an integrated busbar for battery module, is in including last hot pressing membrane and the lower hot pressing membrane that stacks up the setting go up the hot pressing membrane with circuit board between the hot pressing membrane down, set gradually a plurality of connection rows that are used for connecting the electric core along length direction on the circuit board, connect the row all through the connection piece that sets up with circuit board electric connection for be connected each electric core end to end with corresponding electric core utmost point post, be provided with a plurality of temperature sensors on the circuit board, temperature sensors with corresponding connect row position correspondence, the connection piece is opened has the holding temperature sensor's accommodation hole, the connection piece with temperature sensors contact cooperation, accommodation hole opening edge is provided with a plurality of archs, a plurality of the arch will temperature sensors centers on.
As an improvement of the integrated busbar for the battery module, openings are formed in the positions of the upper hot-pressing film and the lower hot-pressing film corresponding to the connecting row.
As an improvement of the integrated busbar for the battery module, the number of the protrusions of the single accommodating hole is at least two, and the protrusions are respectively positioned at two opposite sides of the accommodating hole.
As an improvement of the integrated busbar for the battery module, the temperature sensor is a thermistor, and the surfaces of the temperature sensor are provided with silica gel layers.
As an improvement of the integrated busbar for the battery module, the circuit board is provided with at least two groups.
As an improvement of the integrated busbar for the battery module, connectors are arranged on the circuit board, and the connectors are used for enabling the circuit board to be externally connected with a battery management system to monitor the temperature and the voltage of the battery cells in real time.
As an improvement of the integrated busbar for the battery module, the connecting sheet is a nickel sheet.
As an improvement of the integrated busbar for the battery module, the connection busbar is an aluminum busbar.
Compared with the prior art, the utility model has the beneficial effects that:
the circuit board acquires the voltage and temperature data of each battery cell through the connecting bar, the connecting sheet and the temperature sensor and feeds the voltage and temperature data back to the outside so as to achieve the purpose of monitoring the state of the battery cell in real time, the temperature sensor is surrounded by the bulges arranged on the connecting sheet so as to protect the temperature sensor, the temperature sensor is prevented from being crashed, the reliability and the safety of the integrated busbar are further improved, meanwhile, the integrated busbar is more convenient to connect with the battery cell polar column, and the assembly and the production efficiency of the energy storage battery module are improved.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the utility model, and that other drawings can be obtained according to these drawings without inventive faculty for a person skilled in the art.
Fig. 1 is a schematic structural view of an integrated busbar for a battery module according to the present utility model.
Fig. 2 is an enlarged view of a portion a of an integrated busbar for a battery module according to the present utility model.
Fig. 3 is a schematic view illustrating a part of the structure of an integrated busbar for a battery module according to the present utility model.
In the figure: 1-upper hot-pressing film, 2-lower hot-pressing film, 3-circuit board, 4-connecting sheet, 5-accommodating hole, 6-bulge, 7-connecting row, 8-temperature sensor, 9-connector and 10-opening.
Detailed Description
In order to make the technical scheme and advantages of the present utility model more apparent, the present utility model and its advantageous effects will be described in further detail below with reference to the detailed description and the accompanying drawings, but the embodiments of the present utility model are not limited thereto.
In the description of the present utility model, unless explicitly stated and limited otherwise, the terms "mounted," "connected," and "secured" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
Standard parts used in the utility model can be purchased from the market, special-shaped parts can be customized according to the description of the specification and the drawings, the specific connection modes of all parts adopt conventional means such as mature bolts, rivets and welding in the prior art, the machinery, the parts and the equipment adopt conventional models in the prior art, and the circuit connection adopts conventional connection modes in the prior art, so that the details are not described.
As shown in fig. 1 to 3, an integrated busbar for a battery module comprises an upper hot-pressing film 1 and a lower hot-pressing film 2 which are arranged in a stacked manner, a circuit board 3 arranged between the upper hot-pressing film 1 and the lower hot-pressing film 2, a plurality of connection rows 7 for connecting battery cells are sequentially arranged on the circuit board 3 along the length direction, the connection rows 7 are electrically connected with the circuit board 3 through connection sheets 4 arranged, each battery cell is connected with a corresponding battery cell pole in series end to end, a plurality of temperature sensors 8 are arranged on the circuit board 3, the temperature sensors 8 correspond to the positions of the corresponding connection rows 7, the corresponding connection sheets 4 are provided with accommodating holes 5 for accommodating the temperature sensors 8, the connection sheets 4 are in contact fit with the temperature sensors 8, a plurality of bulges 6 are arranged at the edges of openings 10 of the accommodating holes 5, and the temperature sensors 8 are surrounded by the plurality of bulges 6. Specifically, connect row 7 all along the length direction setting of circuit board 3, total 12 connect row 7, two connect row 7 are located the left end of circuit board 3, two connect row 7 are located the right-hand member of circuit board 3, four connect row 7 are located between circuit board 3 left side and the intermediate position, four connect row 7 are located between circuit board 3 right side and the intermediate position, the positive pole post of battery cell is connected with the negative pole post of last battery cell through connect row 7, the negative pole post is connected with the positive pole post of next battery cell through connect row 7, set gradually, accomplish the head and the tail series connection of each battery cell, temperature sensor 8 cooperates with the connection piece 4 of positive terminal, circuit board 3 is FPC circuit board 3, have voltage sampling circuit and temperature sampling circuit on the circuit board 3, the voltage value of each battery cell is gathered through voltage sampling circuit, go up the hot-pressing membrane 1 and down membrane 2 and all be the hot-pressing membrane, the temperature of battery cell is passed through connect row 7 to connection piece 4 and is connected to the temperature sensor 8 on the temperature to the hot-pressing device, realize the temperature to the hot-pressing is to the temperature sensor 8. When each cell of the battery pack is required to be connected and the voltage and the temperature of the cell are monitored, each connection row 7 is connected with the corresponding cell in series, the circuit board 3 is connected with an external BMS board, the circuit board 3 acquires the voltage and temperature data of each cell through the connection sheet 4, the connection row 7 and the temperature sensor 8 and feeds back the voltage and temperature data to the BMS board, the purpose of monitoring the state of the cell is achieved, and data processing and data interaction are carried out with system control through an MCU micro control unit on the BMS board.
According to the utility model, the circuit board 3 acquires the voltage and temperature data of each battery cell through the connecting bar 7, the connecting sheet 4 and the temperature sensor 8 and feeds the voltage and temperature data back to the outside so as to achieve the purpose of monitoring the state of the battery cell in real time, the temperature sensor 8 is surrounded by the bulge 6 arranged on the connecting sheet 4, the purpose of protecting the temperature sensor 8 is achieved, the temperature sensor 8 is prevented from being crashed, the quality and the durability of the integrated busbar are further improved, meanwhile, the integrated busbar is more convenient to connect with a battery cell pole, and the assembly and the production efficiency of the energy storage battery module are improved.
In some embodiments, openings 10 are formed in the upper thermocompression bonding film 1 and the lower thermocompression bonding film 2 at positions corresponding to the connection rows 7. Specifically, when the battery core is required to be connected with the circuit board 3 for monitoring, the openings 10 are all exposed outwards from the partial surfaces of the corresponding connection rows 7, and the poles of the battery core are all connected to the corresponding connection rows 7 through the openings 10, so that the battery core is electrically connected with the circuit board 3, and the connection rows 7 and the battery core poles are convenient to weld.
In some embodiments, the number of protrusions 6 of a single receiving hole 5 is at least two and is located on opposite sides of the receiving hole 5, respectively. Specifically, the opposite both sides in holding hole 5 top all are provided with protruding 6, and protruding 6 is the formation of bending upwards for connection piece 4 part, and the protruding 6 of both sides surrounds the temperature-sensing ware 8 in the holding hole 5, and then reaches the effect to the protection of temperature-sensing ware 8, and sets up protruding 6 as connection piece 4 part formation of bending, both are as an organic wholes, the installation of connection piece 4 of being more convenient for, avoid protruding 6 to install the in-process on connection piece 4 as individual piece and cause the damage to temperature-sensing ware 8, also improved the steadiness of being connected between protruding 6 and the connection piece 4 simultaneously.
In some embodiments, the temperature sensor 8 is a thermistor, and the surface of the temperature sensor 8 is provided with a silica gel layer. Specifically, a silica gel layer is arranged on the surface of the temperature sensor 8, so that the temperature sensor 8 is further protected. The silica gel layer not only has a protective effect, but also has a heat conduction effect, and is beneficial to the temperature sensor 8 to collect temperature.
In some embodiments, the wiring board 3 is provided with at least two sets. Specifically, the circuit board 3 can be provided with two groups, also can be provided with three groups, sets up corresponding circuit board 3 quantity according to the electric core quantity of group battery, and this integrated busbar uses two groups of circuit boards 3 to carry out real-time supervision to 24 electric core's voltage and temperature, the effectual electric core quantity that has improved can monitor has also avoided the mess phenomenon of electric core pencil simultaneously.
In some embodiments, the circuit boards 3 are provided with connectors 9, and the connectors 9 are used for externally connecting the circuit boards 3 with a battery management system to monitor the temperature and the voltage of the battery cells in real time. Specifically, the battery management system is a BMS board, the circuit board 3 is provided with a connector 9 for collecting data signals collected by the circuit board 3, and the connector 9 is provided with a signal interface connected with external equipment so as to provide the signal interface to be conveniently connected with the BMS board of the external equipment. And the collected voltage and temperature states of each battery cell are fed back to the external equipment and displayed through a display screen of the external equipment for viewing.
In some embodiments, the connecting piece 4 is a nickel piece.
In some embodiments, the connection bars 7 are aluminum bars.
Variations and modifications of the above embodiments will occur to those skilled in the art to which the utility model pertains from the foregoing disclosure and teachings. Therefore, the present utility model is not limited to the above-described embodiments, but is intended to be capable of modification, substitution or variation in light thereof, which will be apparent to those skilled in the art in light of the present teachings. In addition, although specific terms are used in the present specification, these terms are for convenience of description only and do not limit the present utility model in any way.
Claims (8)
1. The utility model provides an integrated busbar for battery module, its characterized in that, including last hot pressing membrane and the lower hot pressing membrane that stacks up set up go up the hot pressing membrane with circuit board between the hot pressing membrane down, a plurality of connection rows that are used for connecting the electric core have been set gradually along length direction on the circuit board, connect the row all through the connection piece that sets up with circuit board electric connection for be connected each electric core end to end with corresponding electric core utmost point post, be provided with a plurality of temperature sensors on the circuit board, the temperature sensor corresponds with corresponding connection row position, the connection piece is opened there is the accommodation temperature sensor's accommodation hole, the connection piece with temperature sensor contact cooperation, accommodation hole opening edge is provided with a plurality of archs, a plurality of protruding will temperature sensor surrounds.
2. The integrated busbar for a battery module according to claim 1, wherein the upper hot-pressing film and the lower hot-pressing film are provided with openings at positions corresponding to the connection rows.
3. The integrated busbar for a battery module according to claim 1, wherein the number of the protrusions of a single receiving hole is at least two, and is located at opposite sides of the receiving hole, respectively.
4. The integrated busbar for a battery module of claim 3, wherein the temperature sensor is a thermistor and the surface of the temperature sensor is provided with a silicone layer.
5. The integrated busbar for a battery module according to any one of claims 1 to 4, wherein the wiring board is provided with at least two groups.
6. The integrated busbar for a battery module of claim 5, wherein connectors are provided on the circuit board, and the connectors are used for externally connecting the circuit board to a battery management system to monitor the temperature and voltage of the battery cells in real time.
7. The integrated busbar for a battery module of claim 5, wherein the connecting piece is a nickel piece.
8. The integrated busbar for a battery module of claim 5, wherein the connecting row is an aluminum row.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322508089.XU CN220774666U (en) | 2023-09-14 | 2023-09-14 | Integrated busbar for battery module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322508089.XU CN220774666U (en) | 2023-09-14 | 2023-09-14 | Integrated busbar for battery module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220774666U true CN220774666U (en) | 2024-04-12 |
Family
ID=90597847
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322508089.XU Active CN220774666U (en) | 2023-09-14 | 2023-09-14 | Integrated busbar for battery module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220774666U (en) |
-
2023
- 2023-09-14 CN CN202322508089.XU patent/CN220774666U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |