CN216648521U - CCS subassembly and battery package - Google Patents

Abstract

The utility model discloses a CCS assembly and a battery pack, and relates to the technical field of battery packs. This CCS subassembly includes PET membrane, aluminium bar and sampling line, and aluminium bar and sampling line set up respectively in the relative both sides of PET membrane, and the one end of sampling line is provided with the bare wire head, and the bare wire head welds with the aluminium bar. The CCS assembly provided by the utility model has the characteristic of lower production cost.

Description

CCS subassembly and battery package

Technical Field

The utility model relates to the technical field of battery packs, in particular to a CCS assembly and a battery pack.

Background

The CCS (collection integration component) is configured in the battery pack and used for collecting the temperature and/or voltage of a plurality of battery cells and realizing the monitoring of the battery cell state.

Currently, a CCS assembly on the market is generally composed of an insulation board, an aluminum bar and a sampling wire harness, wherein the aluminum bar is arranged on the front surface of the insulation board, and the sampling wire harness is arranged on the back surface of the insulation board. The sampling pencil is connected nickel piece terminal, and the nickel piece terminal passes the insulating plate and is connected with the positive electricity of aluminium ba, leads to material cost and human cost higher.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a CCS assembly which has the characteristic of lower production cost.

Another object of the present invention is to provide a battery pack, which has a lower production cost.

The utility model provides a technical scheme that:

the utility model provides a CCS subassembly, includes PET membrane, aluminium bar and sampling line, the aluminium bar with the sampling line set up respectively in the both sides that the PET membrane is relative, the one end of sampling line is provided with the bare wire head, the bare wire head with the aluminium bar welding.

Further, the aluminium bar set up in the side of PET membrane, the breach of stepping down has been seted up to the side of PET membrane, the bare wire end with the aluminium bar corresponds the position welding of breach of stepping down.

Further, the aluminium bar corresponds the position of stepping down the breach is concave to be equipped with the wiring chamber, naked end of a thread stretches into the wiring chamber with the lateral wall welding in wiring chamber.

Further, the wiring chamber by the aluminium bar is close to correspond on one side of sampling line the position of the breach of stepping down extremely the aluminium bar deviates from one side of sampling line is protruding.

Furthermore, the number of the aluminum bars and the number of the sampling lines are both multiple, and the sampling lines are multiple, and the bare wire ends are respectively welded with the aluminum bars.

Further, one end, far away from the bare wire head, of each of the plurality of sampling wires is led out of the PET film from the same end of the PET film.

Furthermore, a plurality of aluminium bars are arranged in a staggered manner on two opposite side edges of the PET film along the extending direction of the PET film.

Further, the aluminum bar is bonded with one side of the PET film, which is far away from the sampling line.

Further, the sampling line is bonded with one side, away from the aluminum bar, of the PET film.

The utility model also provides a battery pack which comprises the CCS assembly, wherein the CCS assembly comprises a PET film, an aluminum bar and a sampling line, the aluminum bar and the sampling line are respectively arranged on two opposite sides of the PET film, one end of the sampling line is provided with a bare wire head, and the bare wire head is welded with the aluminum bar.

Compared with the prior art, according to the CCS assembly provided by the utility model, the bare wire end of the sampling wire is directly welded with the aluminum bar to realize electric connection, so that a nickel sheet terminal is omitted, the material cost is reduced, the process of connecting the nickel sheet terminal is omitted, and the labor cost is reduced. Therefore, the beneficial effects of the CCS component provided by the utility model comprise: the material cost is lower, and the production and processing are more convenient.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the embodiments will be briefly described below. It is appreciated that the following drawings depict only certain embodiments of the utility model and are therefore not to be considered limiting of its scope. For a person skilled in the art, it is possible to derive other relevant figures from these figures without inventive effort.

Fig. 1 is a schematic structural diagram of a CCS assembly according to a first embodiment of the present invention;

FIG. 2 is a schematic view of the aluminum bar of FIG. 1 from a first perspective;

fig. 3 is a schematic structural diagram of the aluminum bar in fig. 1 under a second viewing angle.

Icon: 100-CCS component; 110-PET film; 111-abdication gap; 130-aluminum bars; 131-a wiring cavity; 133-projection; 150-sample line; 151-bare thread end.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention. It is to be understood that the embodiments described are only a few embodiments of the present invention, and not all embodiments. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "inner", "outer", "left", "right", and the like indicate orientations or positional relationships based on orientations or positional relationships shown in the drawings, or orientations or positional relationships conventionally placed when the products of the present invention are used, or orientations or positional relationships conventionally understood by those skilled in the art, which are merely for convenience of description and simplification of description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is also to be noted that, unless otherwise explicitly stated or limited, the terms "disposed" and "connected" are to be interpreted broadly, and for example, "connected" may be a fixed connection, a detachable connection, or an integral connection; can be mechanically or electrically connected; the connection may be direct or indirect via an intermediate medium, and may be a communication between the two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

The following detailed description of embodiments of the utility model refers to the accompanying drawings.

First embodiment

Referring to fig. 1, fig. 1 is a schematic structural diagram of a CCS assembly 100 according to the present embodiment.

The CCS assembly 100 provided by the embodiment is applied to a battery pack and used for collecting state data of a plurality of battery cores in the battery pack, the CCS assembly 100 is lower in material cost, more convenient to produce and process and lower in labor cost.

The CCS subassembly 100 that this embodiment provided includes PET membrane 110, aluminium bar 130 and sampling line 150, and aluminium bar 130 sets up respectively in the relative both sides of PET membrane 110 with sampling line 150, and aluminium bar 130 is used for welding the electrode of electric core, realizes being connected with the electricity of electric core, and the one end of sampling line 150 is provided with bare wire head 151, has taken off the electric wire section of lacquer cover promptly, and bare wire head 151 welds with aluminium bar 130, realizes the collection to electric core state data.

Therefore, in this embodiment, the sampling line 150 omits the direct welding of the nickel sheet terminal and the aluminum bar 130, so that the material cost is greatly reduced, the production process is simplified, and the labor cost is further reduced.

Actually, aluminium bar 130 is a plurality of with the quantity of sampling line 150, and PET membrane 110 is rectangular strip, and a plurality of aluminium bars 130 are arranged in PET membrane 110 two relative sides along PET membrane 110's extending direction is crisscross, and a plurality of aluminium bars 130 are used for being connected with the electrode of a plurality of electricity cores, and a plurality of naked end 151 that a plurality of sampling lines 150 set up weld with a plurality of aluminium bars 130 respectively, and the one end that naked end 151 was kept away from respectively to a plurality of sampling lines 150 is drawn forth by the same one end of PET membrane 110.

The side of the PET film 110 is provided with an abdicating notch 111, the bare wire head 151 of the sampling wire 150 is welded to the aluminum bar 130 at a position close to the abdicating notch 111 on one side of the PET film 110, which can be understood as that the bare wire head 151 is directly welded to the back of the aluminum bar 130 through the abdicating notch 111 arranged on the side of the PET film.

Referring to fig. 2 and fig. 3, fig. 2 is a schematic structural diagram of the aluminum bar 130 under a first viewing angle, and fig. 3 is a schematic structural diagram of the aluminum bar 130 under a second viewing angle.

The corresponding position of stepping down breach 111 of aluminium bar 130 is concave to be equipped with wiring chamber 131, and naked stub wire 151 stretches into wiring chamber 131 and the lateral wall welding of wiring chamber 131, and in this embodiment, wiring chamber 131 is sunken to aluminium bar 130 and deviates from one side of sampling line 150 and forms arch 133 by the position that aluminium bar 130 is close to corresponding stepping down breach 111 on one side of sampling line 150.

Wiring chamber 131 is sunken by the back of aluminium bar 130 to form protruding 133 in the front of aluminium bar 130, wiring chamber 131 plays and provides the accommodation space to naked stub 151 welding, avoids the protruding 133 of welding department in aluminium bar 130 back, causes to produce great gap between aluminium bar 130 and the electric core.

In this embodiment, the aluminum bar 130 is bonded to one side of the PET film 110 away from the sampling line 150 through an adhesive tape, and similarly, the wire harness formed by collecting the plurality of sampling lines 150 is also bonded to one side of the PET film 110 away from the aluminum bar 130 through an adhesive tape, and in other embodiments, the aluminum bar 130 and the sampling line 150 may be fixed to the PET film 110 in other connection manners according to actual application conditions.

In the actual manufacturing process, the plurality of aluminum bars 130 are first stamped, so that the wiring cavities 131 are respectively formed on the plurality of aluminum bars 130. Then, two side edges of the PET film 110 are cut, so that a plurality of abdicating notches 111 sequentially arranged at intervals are formed on the two opposite side edges of the PET film 110 respectively. Then, the plurality of aluminum bars 130 are respectively bonded to the front surface of the PET film 110 through adhesive tapes, and the wiring cavities 131 on the aluminum bars 130 correspond to the yielding notches 111 on the PET film 110 one by one. Then, the bare leads 151 of the sampling wires 150 are respectively welded to the aluminum bars 130 at the inner wall of the wiring cavity 131 of each aluminum bar 130. And finally, leading out the sampling lines 150 from the same end of the PET film 110 in the length direction, and adhering the sampling lines 150 to the back of the PET film 110 through an adhesive tape.

It can be seen that, compared with the prior art in which the sampling line 150 is connected to the nickel tab terminal, and the nickel tab terminal passes through the PET film 110 and is welded to the front surface of the aluminum bar 130, in the CCS assembly 100 provided in this embodiment, the bare wire end 151 disposed at the end of the sampling line 150 is directly welded to the back surface of the aluminum bar 130, so that the nickel tab terminal and the related processes of correspondingly connecting the nickel tab terminal are omitted, and the material cost and the labor cost are greatly saved.

Therefore, the CCS assembly 100 provided by the present embodiment has lower material cost and is more convenient to produce and process.

Second embodiment

The present embodiment provides a battery pack, which includes a battery cell module and the CCS assembly 100 provided in the first embodiment. The electric core module includes a plurality of electric cores of arranging in proper order, and CCS subassembly 100 covers in the top of electric core module, and PET membrane 110 extends along the direction of arranging of a plurality of electric cores, sets up in the electrode connection of a plurality of aluminium bars 130 and a plurality of electric cores of PET membrane 110 extending direction both sides, and a plurality of sampling lines 150 realize being connected with the electricity of a plurality of electric cores through a plurality of aluminium bars 130 to the realization is to the collection of the state data of a plurality of electric cores.

Because this CCS subassembly 100 compares in prior art sampling line 150 and connects the nickel piece terminal, and the nickel piece terminal passes the positive welding of PET membrane 110 with aluminium bar 130, the CCS subassembly 100 that this embodiment provided, the bare wire head 151 that the tip of sampling line 150 set up and the back direct weld of aluminium bar 130, remove the nickel piece terminal from and correspond the relevant process of connecting the nickel piece terminal, saved material cost and human cost greatly. Therefore, the battery pack provided by the embodiment has the characteristic of lower production cost.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. The utility model provides a CCS subassembly, its characterized in that includes PET membrane, aluminium bar and sampling line, the aluminium bar with the sampling line set up respectively in the both sides that the PET membrane is relative, the one end of sampling line is provided with the bare wire head, the bare wire head with the aluminium bar welding.

2. The CCS assembly of claim 1, wherein the aluminum bar is disposed on a side edge of the PET film, an abdicating notch is formed on the side edge of the PET film, and the bare wire end is welded to the aluminum bar at a position corresponding to the abdicating notch.

3. The CCS assembly of claim 2, wherein the aluminum bar is recessed with a wiring cavity at a position corresponding to the abdicating notch, and the bare wire end extends into the wiring cavity and is welded with a side wall of the wiring cavity.

4. The CCS assembly of claim 3, wherein the wiring cavity is recessed from a position on one side of the aluminum bar close to the sampling line corresponding to the abdicating notch to a side of the aluminum bar away from the sampling line.

5. The CCS assembly of claim 1, wherein the number of the aluminum bars and the number of the sampling lines are both multiple, and a plurality of bare wire ends of the sampling lines are welded to the aluminum bars respectively.

6. The CCS assembly of claim 5, wherein an end of each of the plurality of sampling wires distal from the bare wire tip exits the PET film from the same end of the PET film.

7. The CCS assembly of claim 5, wherein a plurality of the aluminum bars are arranged in a staggered manner on two opposite side edges of the PET film along the extending direction of the PET film.

8. The CCS assembly of claim 1, wherein the aluminum bar is bonded to a side of the PET film facing away from the sampling line.

9. The CCS assembly of claim 1, wherein the sampling lines are bonded to a side of the PET film facing away from the aluminium bar.

10. A battery pack comprising a CCS assembly according to any one of claims 1 to 9.

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