CN220692284U - CCS assembly and battery pack - Google Patents
CCS assembly and battery pack Download PDFInfo
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- CN220692284U CN220692284U CN202322361976.9U CN202322361976U CN220692284U CN 220692284 U CN220692284 U CN 220692284U CN 202322361976 U CN202322361976 U CN 202322361976U CN 220692284 U CN220692284 U CN 220692284U
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- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 137
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 137
- 238000005070 sampling Methods 0.000 claims abstract description 35
- 239000011324 bead Substances 0.000 claims description 13
- 238000000465 moulding Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 239000004411 aluminium Substances 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 239000004593 Epoxy Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
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Abstract
The utility model belongs to the technical field of batteries, and particularly relates to a CCS assembly and a battery pack. The CCS component comprises an output aluminum row, a series aluminum row and a sampling line; the output aluminum row is positioned at one side of the width direction of the battery pack, and comprises an anode aluminum row and a cathode aluminum row; the plurality of series aluminum rows are positioned at the top of the battery pack; the plurality of sampling lines are arranged, one ends of the plurality of sampling lines are respectively connected with the output aluminum row and the series aluminum row, the other ends of the plurality of sampling lines are converged into an output bus, and the output bus is positioned between the positive electrode aluminum row and the negative electrode aluminum row. The battery pack includes a housing, a plurality of cells, and the CCS assembly; the battery cells are arranged in the shell, the CCS component is positioned above the shell, and the output aluminum row and the series aluminum row are respectively connected with the battery cells. The utility model can be suitable for special working conditions that the sizes of the left side and the right side of the battery pack are limited.
Description
Technical Field
The utility model belongs to the technical field of batteries, and particularly relates to a CCS assembly and a battery pack.
Background
The CCS (Cells Contact System, collection integration) scheme used in current battery packs has a harness, FPC (Flexible Printed Circuit, flexible circuit board) scheme to collect the voltage and temperature of the cells. The harness CCS is generally routed by means of harness collection and epoxy boards as supports, and the positions of the outgoing lines of the harness CCS are generally along the length direction of the battery pack, and are located on the left side or the right side of the battery pack. For example, in patent application publication No. 202122813031.7, publication No. 2021, 11 and 17, and entitled CCS assembly and battery pack, a CCS arrangement is mentioned wherein the sampling line is located on the right side of the battery pack.
For some special working conditions, for example, the sizes of the left side and the right side of the battery pack are limited, and when the wire outlet positions cannot be laid out, the wire outlet positions of the conventional harness CCS scheme cannot meet the use requirements.
Disclosure of Invention
In order to solve the problems, the utility model provides a CCS component and a battery pack, which have the following technical scheme:
a CCS assembly comprising an output aluminum bank, a series aluminum bank, and a sampling line; the output aluminum row is positioned at one side of the width direction of the battery pack, and comprises an anode aluminum row and a cathode aluminum row; the plurality of series aluminum rows are positioned at the top of the battery pack and are used for connecting a plurality of battery cells of the battery pack in series; the plurality of sampling lines are arranged, one ends of the plurality of sampling lines are respectively connected with the output aluminum row and the series aluminum row, the other ends of the plurality of sampling lines are converged into an output bus, and the output bus is positioned between the positive electrode aluminum row and the negative electrode aluminum row.
CCS components as described above are further preferred to be: the plurality of series aluminum rows are divided into a first transverse aluminum row group, a second transverse aluminum row group and a longitudinal aluminum row group; the first transverse aluminum row group and the second transverse aluminum row group are respectively positioned at two sides of the longitudinal aluminum row group, the longitudinal aluminum row group is used for connecting a plurality of cells of adjacent rows in series, and the first transverse aluminum row group and the second transverse aluminum row group are used for connecting all the cells in series in cooperation with the longitudinal aluminum row group; a plurality of sampling lines connected with the first transverse aluminum row group are gathered into a first output wire harness; a plurality of sampling lines connected with the second transverse aluminum row group are gathered into a second output wire harness; a plurality of sampling lines connected with the longitudinal aluminum row group are gathered into a third output wire harness; the first output wire harness, the second output wire harness and the third output wire harness are gathered into the output bus.
CCS components as described above are further preferred to be: the first output harness includes a transverse portion and a longitudinal portion; one end of the longitudinal part is connected with the middle part of the transverse part; the second output wire harness and the third output wire harness are arranged in parallel with the transverse part and are converged into the longitudinal part at the middle part; the first output wire harness, the second output wire harness and the third output wire harness form an I shape.
CCS components as described above are further preferred to be: the device also comprises a first pressing strip and a second pressing strip; the first pressing strip is positioned between the first transverse aluminum row group and the longitudinal aluminum row group; the second pressing strip is positioned between the second transverse aluminum row group and the longitudinal aluminum row group; the transverse portion is located at a first side of the first bead; the third output wire harness is positioned at the first side surface of the second pressing strip; the second output harness is located at a second side of the second bead.
CCS components as described above are further preferred to be: the first pressing strip is provided with a first avoiding hole, and the second pressing strip is provided with a second avoiding hole; the first avoidance hole is positioned in the middle of the length direction of the first pressing strip so as to penetrate through the longitudinal part; the second avoidance hole is positioned at the middle part of the length direction of the second pressing strip so as to penetrate through the longitudinal part.
CCS components as described above are further preferred to be: the device further comprises a PC board, wherein the output aluminum row, the serial aluminum row, the sampling line, the first pressing strip and the second pressing strip are all arranged on the PC board and are positioned on the top surface of the PC board; the bottom surface of the PC board is attached to the plurality of electric cores.
CCS components as described above are further preferred to be: the PC board is provided with a wire slot, and the first output wire harness, the second output wire harness and the third output wire harness are all installed in the wire slot.
CCS components as described above are further preferred to be: the PC board is provided with a riveting column, the first output wire harness, the second output wire harness and the third output wire harness are respectively provided with a fixing seat, the fixing seats are provided with fixing holes, and the fixing holes are riveted with the riveting column.
CCS components as described above are further preferred to be: the transverse part is fixed at the first side surface of the first pressing strip through a binding belt; the third output wire harness is fixed at the first side surface of the second pressing strip through a binding belt; the second output wire harness is fixed at the second side of the second pressing strip through a binding belt.
CCS components as described above are further preferred to be: the device also comprises a temperature sensing acquisition piece and a voltage acquisition piece; the temperature sensing acquisition piece is arranged on the serial aluminum row and is used for acquiring a temperature signal of the current core; the voltage acquisition piece is arranged on the series aluminum row and is used for acquiring voltage signals of the current core.
A battery pack comprising a housing, a plurality of cells, and the CCS assembly; the battery cells are arranged in the shell, the CCS component is positioned above the shell, and the output aluminum row and the series aluminum row are respectively connected with the battery cells.
The battery pack as described above is further preferably: the plurality of electric cores form a first electric core group and a second electric core group which are arranged side by side; the first battery cell group is connected with the adjacent battery cells of the second battery cell group in series.
Analysis shows that compared with the prior art, the utility model has the following advantages:
in the utility model, the positive electrode aluminum row and the negative electrode aluminum row are both positioned at the front side of the battery pack, and the output bus is positioned between the positive electrode aluminum row and the negative electrode aluminum row after the sampling line is routed, namely the output bus is positioned at the front side of the battery pack, so that the utility model can be suitable for special working conditions that the sizes of the left side and the right side of the battery pack are limited.
Drawings
Fig. 1 is a schematic view of a battery pack (excluding sampling lines) according to the present utility model;
FIG. 2 is a schematic diagram of the connection of the output aluminum row, the series aluminum row and the battery cell according to the present utility model;
FIG. 3 is a schematic diagram of the connection of CCS components of the present utility model.
In the figure: 1-a first transverse aluminum bank group; 2-a first pressing strip; 3-a second pressing bar; 4-an anode aluminum row; 5-a second transverse aluminum bank group; 6-negative electrode aluminum bars; 7-longitudinal aluminum row groups; 8-a first cell group; 9-a second cell group; 10-an output bus; 11-a lateral portion; 12-longitudinal section; 13-a third output harness; 14-a second output harness; 15-PC board.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. 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.
In the description of the present utility model, the terms "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", etc. refer to the orientation or positional relationship based on that shown in the drawings, merely for convenience of description of the present utility model and do not require that the present utility model must be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model. The terms "coupled" and "connected" as used herein are to be construed broadly and may be, for example, fixedly coupled or detachably coupled; either directly or indirectly through intermediate components, the specific meaning of the terms being understood by those of ordinary skill in the art as the case may be.
Referring to fig. 1 to 3, wherein fig. 1 is a schematic structural view of a battery pack (excluding sampling lines) according to the present utility model; FIG. 2 is a schematic diagram of the connection of the output aluminum row, the series aluminum row and the battery cell according to the present utility model; FIG. 3 is a schematic diagram of the connection of CCS components of the present utility model.
As shown in fig. 1 and 3, in one embodiment of the present utility model, a CCS assembly is provided, in particular, comprising an output aluminum row, a series aluminum row, and a sampling line. The output aluminum row is located at the top of the battery pack, specifically located at one side of the width direction of the battery pack, and comprises an anode aluminum row 4 and a cathode aluminum row 6. The plurality of series aluminum rows are arranged at the top of the battery pack and are used for connecting a plurality of battery cells of the battery pack in series. The sampling lines are multiple, one ends of the multiple sampling lines are respectively connected with the output aluminum row and the serial aluminum row, the other ends of the multiple sampling lines are converged into an output bus 10, and the output bus 10 is positioned between the positive electrode aluminum row 4 and the negative electrode aluminum row 6.
In this embodiment, the positive electrode aluminum row 4 and the negative electrode aluminum row 6 are both located at one side of the width direction of the battery pack (i.e. the front side of the battery pack), and after the sampling lines are routed, the output bus 10 is located between the positive electrode aluminum row 4 and the negative electrode aluminum row 6, i.e. the output bus 10 is located at the front side of the battery pack, so that the device can be suitable for special working conditions in which the sizes of the left side and the right side of the battery pack are limited.
As shown in fig. 1 and 3, in one embodiment of the present utility model, the plurality of series aluminum rows are divided into a first transverse aluminum row group 1, a second transverse aluminum row group 5, and a longitudinal aluminum row group 7. The first transverse aluminum row group 1 and the second transverse aluminum row group 5 are respectively positioned at two sides of the longitudinal aluminum row group 7, the longitudinal aluminum row group 7 is used for connecting a plurality of cells of adjacent rows in series, and the first transverse aluminum row group 1 and the second transverse aluminum row group 5 are used for connecting all the cells in series in cooperation with the longitudinal aluminum row group 7. According to the embodiment, the first transverse aluminum row group 1, the second transverse aluminum row group 5 and the longitudinal aluminum row group 7 are arranged, so that two rows and a plurality of columns of electric cores can be connected in series, and further, the battery pack is highly integrated, and therefore the energy density is improved.
Further, in the present embodiment, a plurality of sampling lines connecting the first lateral aluminum row group 1 are collected into a first output harness; the plurality of sampling wires connected with the second transverse aluminum busbar group 5 are gathered into a second output wire harness 14; the plurality of sampling wires connected with the longitudinal aluminum row group 7 are gathered into a third output wire harness 13; the first, second and third output harnesses 14, 13 are gathered into an output bus 10. In this embodiment, the sampling lines connecting the first transverse aluminum row group 1, the second transverse aluminum row group 5 and the longitudinal aluminum row group 7 are all bundled individually, and then are collected into the output bus 10, which has the characteristics of clean wiring harness and clear connection.
Further, in the present embodiment, the first output harness includes the transverse portion 11 and the longitudinal portion 12, wherein one end of the longitudinal portion 12 is connected to the middle portion of the transverse portion 11; the second output harness 14 and the third output harness 13 are arranged parallel to the transverse portion 11 and merge into the longitudinal portion 12 at the middle. In this embodiment, the first output wire harness, the second output wire harness 14, and the third output wire harness 13 form an i shape, the output bus 10 extends from the bottom end of the i shape, and all the collection wires are substantially symmetrically distributed, so that the wiring length of the collection wires can be saved.
As shown in fig. 1 and 3, in one embodiment of the present utility model, a first molding 2 and a second molding 3 are further included, and the first molding 2 and the second molding 3 are used to fix a plurality of battery cells. Wherein the first pressing strip 2 is positioned between the first transverse aluminum row group 1 and the longitudinal aluminum row group 7; the second bead 3 is located between the second transverse aluminium row group 5 and the longitudinal aluminium row group 7. The transverse portion 11 is located at a first side of the first bead 2; the third output harness 13 is located at the first side of the second bead 3; the second output harness 14 is located at the second side of the second bead 3. In the present embodiment, the first output harness, the second output harness 14, and the third output harness 13 are arranged according to the bead, and the first output harness, the second output harness 14, and the third output harness 13 can be prevented from being extruded.
Further, in this embodiment, the first bead 2 is provided with a first avoidance hole, and the second bead 3 is provided with a second avoidance hole. The first avoidance hole is positioned at the middle part of the first pressing strip 2 in the length direction so as to pass through the longitudinal part 12; the second escape hole is located at the middle part of the second bead 3 in the length direction so as to pass through the longitudinal part 12. In this embodiment, through setting up first hole and the second hole of dodging, can avoid first output pencil to receive the extrusion to can play insulating, fixed position's effect to first output pencil.
As shown in fig. 1 and 3, in one embodiment of the present utility model, the device further comprises a PC board 15, and the output aluminum row, the serial aluminum row, the sampling line, the first pressing strip 2 and the second pressing strip 3 are all installed on the PC board 15 and located on the top surface of the PC board 15; the bottom surface of the PC board 15 is attached to the plurality of cells. In this embodiment, the isolation plate of the collection line is made of PC material, so that the weight of the battery pack can be reduced.
Further, in the present embodiment, there may be various fixing manners of the first output harness, the second output harness 14, and the third output harness 13. As one of the fixing modes, in one embodiment of the present utility model, a wire slot is provided on the PC board 15, and the first output wire harness, the second output wire harness 14, and the third output wire harness 13 are all installed in the wire slot. As another fixing manner, in one embodiment of the present utility model, the PC board 15 is provided with a rivet, the first output wire harness, the second output wire harness 14, and the third output wire harness 13 are provided with fixing seats, the fixing seats are provided with fixing holes, the fixing holes are riveted with the rivet, and the first output wire harness, the second output wire harness 14, and the third output wire harness 13 are fixed in a heat riveting manner. As still another fixing manner, in one embodiment of the present utility model, the first output harness, the second output harness 14, and the third output harness 13 are fixed by a tie, specifically, the lateral portion 11 is fixed at the first side of the first molding 2 by a tie (as shown in fig. 3, the side of the first molding 2 located above in fig. 3 is the first side); the third output harness 13 is fixed at the first side of the second bead 3 by a tie (as shown in fig. 3, the side of the second bead 3 located above in fig. 3 is the first side); the second output wire harness 14 is fixed on the second side surface of the second pressing strip 3 through the binding belt (as shown in fig. 3, the side surface of the second pressing strip 3 positioned below in fig. 3 is the second side surface), so that the wire harness can be prevented from being fixed on the PC board 15, the fixation is safer, and the fixation mode is more reasonable.
In one embodiment of the utility model, the temperature sensing device further comprises a temperature sensing collection piece and a voltage collection piece. The temperature sensing acquisition piece is arranged on the serial aluminum row and can acquire temperature signals of the battery cell; the voltage acquisition piece is arranged on the series aluminum row and can acquire voltage signals of the battery cell.
Based on the CCS assembly, the present utility model also provides a battery pack, which has all the advantages of the above embodiments, since the battery pack includes the CCS assembly.
As shown in fig. 1 and 2, in one embodiment of the present utility model, a battery pack includes a housing, a plurality of cells, and a CCS assembly; the multiple battery cells are arranged in the shell, the CCS component is positioned above the shell, and the output aluminum row and the series aluminum row are respectively connected with the battery cells. In this embodiment, after the sampling lines are routed, the output bus 10 is located at the front side of the battery pack, so that the device can be suitable for special working conditions that the sizes of the left side and the right side of the battery pack are limited.
As shown in fig. 1 and 2, in one embodiment of the present utility model, a plurality of cells form a first cell group 8 and a second cell group 9 disposed side by side; the first cell group 8 is connected in series with adjacent cells of the second cell group 9. Specifically, the first battery cell group 8 and the second battery cell group 9 may form a two-row multi-column module structure. Wherein, the rows are a first row and a second row along the width direction of the battery pack and a plurality of battery cells are displayed along the width direction of the battery pack; the array is a plurality of battery cells arranged in a plurality of rows along the length direction of the battery pack. Taking the first battery cell group 8 and the second battery cell group 9 as an example, two rows and multiple columns are formed, in each row, the positive and negative poles of adjacent battery cells are oppositely arranged (for example, in the adjacent two battery cells, the positive pole of the left battery cell is behind, the negative pole of the right battery cell is behind), and the positive and negative poles of adjacent battery cells in each column are oppositely arranged (for example, in the adjacent two battery cells, the positive pole of the first row is behind, the negative pole is in front, and the positive pole of the second row is behind). In this embodiment, the first electric core group 8 and the second electric core group 9 are connected in series, and can be stacked through extrusion on the connection structure, so as to form a CTP module, so that the battery pack is highly integrated, the cost and the weight are reduced, and the energy density is improved.
It will be appreciated by those skilled in the art that the present utility model can be carried out in other embodiments without departing from the spirit or essential characteristics thereof. Accordingly, the above disclosed embodiments are illustrative in all respects, and not exclusive. All changes that come within the scope of the utility model or equivalents thereto are intended to be embraced therein.
Claims (10)
1. A CCS assembly, comprising:
an output aluminum row, a serial aluminum row and a sampling line;
the output aluminum row is positioned at one side of the width direction of the battery pack, and comprises an anode aluminum row (4) and a cathode aluminum row (6);
the plurality of series aluminum rows are positioned at the top of the battery pack and are used for connecting a plurality of battery cells of the battery pack in series;
the plurality of sampling lines are arranged, one ends of the plurality of sampling lines are respectively connected with the output aluminum row and the series aluminum row, the other ends of the plurality of sampling lines are converged into an output bus (10), and the output bus (10) is positioned between the positive electrode aluminum row (4) and the negative electrode aluminum row (6).
2. The CCS assembly according to claim 1, wherein:
the plurality of the series aluminum rows are divided into a first transverse aluminum row group (1), a second transverse aluminum row group (5) and a longitudinal aluminum row group (7);
the first transverse aluminum row group (1) and the second transverse aluminum row group (5) are respectively positioned at two sides of the longitudinal aluminum row group (7), the longitudinal aluminum row group (7) is used for connecting a plurality of cells of adjacent rows in series, and the first transverse aluminum row group (1) and the second transverse aluminum row group (5) are used for connecting all the cells in series in cooperation with the longitudinal aluminum row group (7);
a plurality of sampling lines connected with the first transverse aluminum row group (1) are gathered into a first output wire harness;
a plurality of sampling lines connected with the second transverse aluminum row group (5) are gathered into a second output wire harness (14);
a plurality of sampling lines connected with the longitudinal aluminum row group (7) are gathered into a third output wire harness (13);
the first output wire harness, the second output wire harness (14) and the third output wire harness (13) are gathered into the output bus (10).
3. The CCS assembly according to claim 2, wherein:
the first output harness comprises a transverse portion (11) and a longitudinal portion (12);
one end of the longitudinal part (12) is connected with the middle part of the transverse part (11);
the second output wire harness (14) and the third output wire harness (13) are arranged in parallel with the transverse part (11) and are converged into the longitudinal part (12) at the middle part;
the first output wire harness, the second output wire harness (14) and the third output wire harness (13) form an I shape.
4. The CCS assembly as claimed in claim 3, wherein:
the device also comprises a first pressing strip (2) and a second pressing strip (3);
the first pressing strip (2) is positioned between the first transverse aluminum row group (1) and the longitudinal aluminum row group (7);
the second pressing strip (3) is positioned between the second transverse aluminum row group (5) and the longitudinal aluminum row group (7);
the transverse part (11) is positioned at the first side surface of the first pressing strip (2);
the third output wire harness (13) is positioned at the first side surface of the second pressing strip (3);
the second output harness (14) is located at a second side of the second bead (3).
5. The CCS assembly as claimed in claim 4, wherein:
the first pressing strip (2) is provided with a first avoiding hole, and the second pressing strip (3) is provided with a second avoiding hole;
the first avoidance hole is positioned at the middle part of the first pressing strip (2) in the length direction so as to penetrate through the longitudinal part (12);
the second avoidance hole is positioned at the middle part of the second pressing strip (3) in the length direction so as to penetrate through the longitudinal part (12).
6. The CCS assembly as claimed in claim 4, wherein:
the device further comprises a PC board (15), wherein the output aluminum row, the serial aluminum row, the sampling line, the first pressing strip (2) and the second pressing strip (3) are all arranged on the PC board (15) and are positioned on the top surface of the PC board (15);
the bottom surface of the PC board (15) is attached to the plurality of battery cells.
7. The CCS assembly according to claim 6, wherein:
the PC board (15) is provided with a wire slot, and the first output wire harness, the second output wire harness (14) and the third output wire harness (13) are all arranged in the wire slot; or (b)
The PC board (15) is provided with a riveting column, the first output wire harness, the second output wire harness (14) and the third output wire harness (13) are respectively provided with a fixed seat, the fixed seat is provided with a fixed hole, and the fixed hole is riveted with the riveting column; or (b)
The transverse part (11) is fixed at the first side surface of the first pressing strip (2) through a binding belt; the third output wire harness (13) is fixed at the first side surface of the second pressing strip (3) through a binding belt; the second output wire harness (14) is fixed at the second side surface of the second pressing bar (3) through a binding belt.
8. The CCS assembly according to claim 1, wherein:
the device also comprises a temperature sensing acquisition piece and a voltage acquisition piece;
the temperature sensing acquisition piece is arranged on the serial aluminum row and is used for acquiring a temperature signal of the current core;
the voltage acquisition piece is arranged on the series aluminum row and is used for acquiring voltage signals of the current core.
9. A battery pack, comprising:
a housing, a plurality of cells and the CCS assembly of any one of claims 1 to 8;
the battery cells are arranged in the shell, the CCS component is positioned above the shell, and the output aluminum row and the series aluminum row are respectively connected with the battery cells.
10. The battery pack according to claim 9, wherein:
the plurality of electric cores form a first electric core group (8) and a second electric core group (9) which are arranged side by side;
the first cell group (8) is connected in series with adjacent cells of the second cell group (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322361976.9U CN220692284U (en) | 2023-08-31 | 2023-08-31 | CCS assembly and battery pack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322361976.9U CN220692284U (en) | 2023-08-31 | 2023-08-31 | CCS assembly and battery pack |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220692284U true CN220692284U (en) | 2024-03-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202322361976.9U Active CN220692284U (en) | 2023-08-31 | 2023-08-31 | CCS assembly and battery pack |
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| Country | Link |
|---|---|
| CN (1) | CN220692284U (en) |
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2023
- 2023-08-31 CN CN202322361976.9U patent/CN220692284U/en active Active
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