CN219716955U - Battery pack and battery pack - Google Patents
Battery pack and battery pack Download PDFInfo
- Publication number
- CN219716955U CN219716955U CN202321267140.6U CN202321267140U CN219716955U CN 219716955 U CN219716955 U CN 219716955U CN 202321267140 U CN202321267140 U CN 202321267140U CN 219716955 U CN219716955 U CN 219716955U
- Authority
- CN
- China
- Prior art keywords
- battery
- harness
- circuit board
- electrically connected
- bms
- 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
- 239000013039 cover film Substances 0.000 claims description 4
- 238000003491 array Methods 0.000 claims description 2
- 230000005611 electricity Effects 0.000 description 7
- 239000010408 film Substances 0.000 description 5
- 239000011248 coating agent Substances 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
Landscapes
- Battery Mounting, Suspending (AREA)
Abstract
The utility model relates to the technical field of batteries, and discloses a battery assembly and a battery pack, wherein the battery assembly comprises: the battery column is provided with at least two columns, and each column of battery column comprises a plurality of battery units; the wire harness plates are provided with at least two, each row of wire harness plates is respectively and correspondingly arranged with one row of battery rows, and the wire harness plates are electrically connected with the corresponding battery rows and are used for collecting information of the battery units; the circuit board is electrically connected with at least two harness boards at the same time; and the BMS module is provided with at least one, and at least one BMS module is electrically connected with at least two harness boards through the circuit board. The BMS module is electrically connected with the wire harness plate through the circuit board, so that the BMS module can manage battery columns electrically connected with the wire harness plate, the BMS module does not need to be connected with the wire harness plate in a one-to-one correspondence manner, and the specification and the number of the BMS module can be flexibly selected according to the number and the arrangement mode of the battery units.
Description
Technical Field
The utility model relates to the technical field of batteries, in particular to a battery assembly and a battery pack.
Background
For safety consideration, in the battery pack, a battery protection module, a communication module and related electronic devices are required to be arranged, and the battery protection module, the communication module and related electronic devices are electrically connected with the BMS battery management system through the switching copper bars and the signal acquisition wire harness, so that each battery unit is intelligently managed and maintained through the BMS battery management system, the service life of the battery is prolonged, and the state of the battery is monitored. In the prior art, typically, each column of battery in a battery pack is connected to a BMS control box. However, the BMS control boxes of different specifications may manage different numbers of battery cells, and the number and arrangement of battery cells in the battery packs of different specifications are also different. Adopt among the prior art BMS control box's setting method, unable nimble specification and the quantity of selecting BMS control box according to the quantity and the arrangement mode of battery cell, cause the wasting of resources easily.
Disclosure of Invention
In view of this, the present utility model provides a battery assembly and a battery pack to solve the problem that the BMS control box in the prior art cannot flexibly select the specifications and the number of the BMS control boxes according to the number and the arrangement of the battery cells.
In a first aspect, the present utility model provides a battery assembly comprising: the battery array is provided with at least two arrays, and each array comprises a plurality of battery units; the wire harness plates are arranged in at least two rows, each row of wire harness plates is respectively and correspondingly arranged with one row of battery rows, and the wire harness plates are electrically connected with the corresponding battery rows and are used for collecting information of the battery units; the circuit board is electrically connected with the at least two harness boards at the same time; and the BMS module is provided with at least one, and at least one BMS module is electrically connected with at least two harness boards through the circuit board.
The BMS module passes through the circuit board and realizes being connected with the electricity of pencil board to make the BMS module can manage the battery row of being connected with pencil board electricity, and, the BMS module need not to be connected with pencil board one-to-one, can be according to the nimble specification and the quantity of selecting the BMS module of cell's quantity and arrangement.
In a second aspect, the utility model also provides a battery pack, which comprises the battery assembly.
Since the battery pack includes the battery pack, it has the same effect as the battery pack, and is not described herein.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic view showing a partial structure of a battery assembly according to an embodiment of the present utility model.
Reference numerals illustrate:
1. a harness plate; 2. a circuit board; 3. a BMS module; 4. a harness strap; 5. and (5) coating a film.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
An embodiment of the present utility model is described below with reference to fig. 1.
According to an embodiment of the present utility model, in one aspect, there is provided a battery assembly, as shown in fig. 1, including:
the battery column is provided with at least two columns, and each column of battery column comprises a plurality of battery units;
the wire harness plates 1 are provided with at least two, each wire harness plate 1 is respectively and correspondingly arranged with one row of battery rows, and the wire harness plates 1 are electrically connected with the corresponding battery rows and are used for collecting information of the battery units;
a circuit board 2 electrically connected to at least two harness boards 1 at the same time;
and the BMS module 3 is provided with at least one, the BMS module 3 is electrically connected with the circuit board 2, and at least one BMS module 3 is electrically connected with at least two harness boards through the circuit board 2.
The battery pack of this embodiment is applied, the BMS module 3 realizes being connected with the electricity of pencil board 1 through circuit board 2 to make BMS module 3 can manage the battery row of being connected with pencil board 1 electricity, and BMS module 3 need not to be connected with pencil board 1 one-to-one, can be according to the nimble specification and the quantity of selecting BMS module 3 of cell's quantity and arrangement.
It should be noted that, taking the example shown in fig. 1, the battery columns are provided with three columns (not shown in the drawing), and correspondingly, the harness boards 1 are also provided with three, and the three harness boards 1 are provided in one-to-one correspondence with the three battery columns, that is, one harness board 1 is electrically connected with a plurality of battery cells in one battery column. The circuit board 2 is provided with one, and three pencil board 1 is connected with this circuit board 2 electricity simultaneously, and BMS module 3 is provided with two, and two BMS modules 3 are also connected with this circuit board 2 electricity simultaneously, consequently, can manage three battery columns through two BMS modules 3, that is, a BMS module 3 can manage one battery column, also can manage a plurality of battery columns.
Of course, the number of battery strings, the number of harness boards 1, and the number of BMS modules 3 may be specifically set according to actual needs.
It is understood that the battery string is formed by stacking a plurality of battery cells in a string, and that a plurality of battery strings arranged side by side may be provided in the battery assembly. The number of columns of the battery columns and the number of battery units in each column of the battery columns can be specifically set according to actual needs.
It should be noted that, the harness board 1 is used for collecting low-voltage signals of a plurality of battery units in a corresponding battery column, and transmits the low-voltage signals to the BMS module 3 through the circuit board 2, and the BMS module 3 performs control management on the battery units according to the received signals.
In one embodiment, the number of the harness plates 1 is different from the number of the BMS modules 3. Further, the number of the BMS modules 3 is less than the number of the harness plates 1.
In the related art, each battery column corresponds to be provided with one BMS module 3, therefore, when the number of columns of battery columns in the battery assembly is great, the number of BMS modules 3 is correspondingly great, resulting in increased battery pack cost, low space utilization, and increased maintainability difficulty.
Therefore, by using the battery assembly of this embodiment, the BMS modules 3 with appropriate specifications and appropriate numbers can be selected according to the number of battery strings, the number of battery units in each battery string, and the arrangement manner of the battery strings, so that the cost is effectively controlled, the space utilization rate in the battery pack is improved, and when the number of the BMS modules 3 is reduced, the assembly efficiency and maintainability of the battery pack are improved.
In this embodiment, the battery strings are provided with N columns, and correspondingly, the harness board 1 is provided with N, and the BMS module 3 is provided with M, where M < N. That is, N harness boards 1 of N rows of battery strings are transferred to M BMS modules 3 through the circuit board 2, and the number of the BMS modules 3 is reduced while ensuring management of all battery cells.
In one embodiment, the circuit board 2 is a PCB board (printed circuit board).
Of course, in other alternative embodiments, other types of circuit boards may be employed for the circuit board 2.
In one embodiment, the harness board 1 is a flexible harness board. Further, the harness board 1 is an FPC board (flexible circuit board).
Of course, in other alternative embodiments, the harness board 1 may be other types of circuit boards.
In one embodiment, the BMS module 3 is a BMS control box.
In one embodiment, as shown in fig. 1, the circuit board 2 and the BMS module 3 are electrically connected by a harness strap 4. Specifically, as shown in fig. 1, the harness straps 4 are provided in a plurality of strips side by side.
In one embodiment, one end of the wire harness strip 4 is electrically connected with the circuit board 2 through welding, and further, an insulating fixing adhesive is arranged on the welding point; the other end of the harness strip 4 is electrically connected with a signal acquisition interface of the BMS control box.
Of course, in other alternative embodiments, the circuit board 2 and the BMS module 3 may be electrically connected using other forms of cable structures.
In one embodiment, as shown in fig. 1, at least some of the harness straps 4 of the number of harness straps 4 are connected by a cover film 5.
The cover film 5 serves as a reinforcing film to prevent the harness cord 4 from tearing.
It should be noted that, referring to fig. 1, a part of the harness strips 4 of the plurality of harness strips 4 is connected by one coating film 5, and another part of the harness strips 4 of the plurality of harness strips 4 is connected by another coating film 5.
Of course, the number of the harness strips 4 to which one cover film 5 is attached may be specifically set according to actual circumstances, for example, according to the total number of the harness strips 4, the size of the harness strips 4, and the arrangement form of the plurality of harness strips 4.
In one embodiment, the circuit board 2 is provided with a safety structure. Through setting up insurance structure, when the battery cell takes place the unusual circumstances, insurance structure disconnection to disconnection pencil board 1 and BMS module 3 between the electricity be connected, the security of guaranteeing the battery package in the use.
In one embodiment, the safety structure is a patch fuse.
Of course, in other alternative embodiments, the safety structure may be other components having a safety function.
In one embodiment, the battery assembly further includes a frame structure surrounding the outside of the battery strings, the circuit board 2 is disposed on the frame structure, specifically, when the battery strings are provided with two columns, the frame structure surrounds the outside of the two columns, when the battery strings are provided with a plurality of columns, the frame structure surrounds the outside of the plurality of columns, that is, the frame structure surrounds the outside of all the columns, so as to be used for accommodating all the battery strings.
In one embodiment, the circuit board 2 is disposed on an end plate of the frame structure corresponding to the column end of the battery column. Specifically, one cell row has two row ends, and thus the frame structure has two end plates, and the circuit board 2 may be provided on one of the end plates, or on each of the end plates.
It should be noted that the frame structure may further include a side plate, and the side plate is connected between the two end plates.
Of course, the frame structure may further include a cover plate, which may be divided into an upper cover plate and a lower cover plate. That is, a cavity capable of accommodating a plurality of columns of battery columns is formed by enclosing the end plate, the side plate and the cover plate.
In one embodiment, an insulating layer is provided between the circuit board 2 and the frame structure. Specifically, an insulating layer is provided between the circuit board 2 and the end plate.
In one embodiment, the insulating layer is an insulating plate.
Of course, in other alternative embodiments, the insulating layer may be other types of insulating structures, such as an insulating film, an insulating sheet, and the like.
According to an embodiment of the present utility model, in another aspect, there is also provided a battery pack including the above battery assembly.
It is understood that the battery pack may further include a heat exchange system, a structure for fixing the battery unit, and the like, and may be specifically set according to actual needs.
Although embodiments of the present utility model have been described in connection with the accompanying drawings, various modifications and variations may be made by those skilled in the art without departing from the spirit and scope of the utility model, and such modifications and variations fall within the scope of the utility model as defined by the appended claims.
Claims (10)
1. A battery assembly, comprising:
the battery array is provided with at least two arrays, and each array comprises a plurality of battery units;
the wire harness plates (1) are provided with at least two, each wire harness plate (1) is respectively and correspondingly arranged with one row of battery rows, and each wire harness plate (1) is electrically connected with the corresponding battery row and is used for collecting information of the battery units;
a circuit board (2) electrically connected to the at least two harness boards (1) at the same time;
and the BMS module (3) is provided with at least one, and at least one BMS module (3) is electrically connected with at least two harness boards through the circuit board (2).
2. The battery assembly according to claim 1, wherein the number of the harness plates (1) is different from the number of the BMS modules (3).
3. The battery assembly according to claim 2, wherein the number of the BMS modules (3) is smaller than the number of the harness plates (1).
4. A battery assembly according to any one of claims 1 to 3, characterized in that the circuit board (2) and the BMS module (3) are electrically connected by a harness strap (4).
5. The battery assembly according to claim 4, characterized in that the harness strips (4) are arranged side by side with several strips.
6. The battery assembly according to claim 5, characterized in that at least some of the harness straps (4) of the number of harness straps (4) are connected by a cover film (5).
7. A battery assembly according to any one of claims 1 to 3, characterized in that the circuit board (2) is provided with a safety structure.
8. A battery assembly according to any one of claims 1-3, characterized in that the battery assembly further comprises a frame structure surrounding the outside of the at least two rows of cells, the circuit board (2) being arranged on the frame structure.
9. The battery assembly according to claim 8, characterized in that an insulating layer is provided between the circuit board (2) and the frame structure.
10. A battery pack comprising the battery assembly of any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321267140.6U CN219716955U (en) | 2023-05-23 | 2023-05-23 | Battery pack and battery pack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321267140.6U CN219716955U (en) | 2023-05-23 | 2023-05-23 | Battery pack and battery pack |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219716955U true CN219716955U (en) | 2023-09-19 |
Family
ID=88000665
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321267140.6U Active CN219716955U (en) | 2023-05-23 | 2023-05-23 | Battery pack and battery pack |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219716955U (en) |
-
2023
- 2023-05-23 CN CN202321267140.6U patent/CN219716955U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US20140212695A1 (en) | Flexible printed circuit as high voltage interconnect in battery modules | |
| EP3866251B1 (en) | Battery pack and vehicle | |
| US9088162B2 (en) | Hierarchical battery management system | |
| CN113964458B (en) | Series-parallel connection module, battery pack, battery system and manufacturing method | |
| EP4167252A1 (en) | Film type cable having fuse line | |
| CN219716955U (en) | Battery pack and battery pack | |
| KR20220041429A (en) | Battery module and battery pack including the same | |
| CN217213070U (en) | Battery pack temperature and voltage acquisition device | |
| CN218300044U (en) | Battery module and electric vehicle | |
| CN112470335A (en) | Battery module and battery pack including the same | |
| CN216529133U (en) | Emergency navigation aid lamp battery pack | |
| CN212934707U (en) | Voltage and temperature acquisition device of many and many cluster laminate polymer battery module | |
| CN212751068U (en) | Electricity core mixes parallelly connected battery | |
| CN210628445U (en) | Information acquisition device and battery module | |
| CN209786128U (en) | Battery module for electric automobile | |
| CN216928695U (en) | Data acquisition assembly and battery module | |
| KR20210058110A (en) | Battery module and battery packr including the same | |
| KR20220021617A (en) | Battery module and battery pack including the same | |
| CN207572444U (en) | A kind of flexible integrated board battery pack | |
| CN216054973U (en) | Power battery module of electric ship | |
| CN217848188U (en) | Battery pack and power device | |
| CN220122054U (en) | Battery module and battery pack | |
| US20240014453A1 (en) | Battery device assembling method and battery device | |
| CN111009930A (en) | Storage battery pack string unit module and monitoring management system | |
| CN211265548U (en) | Battery assembly plate and battery gathering device composed of same |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |