CN213601980U

CN213601980U - Fixing device and battery module of battery package copper bar

Info

Publication number: CN213601980U
Application number: CN202023164010.9U
Authority: CN
Inventors: 亢策策; 黄毅轩; 魏艳彬; 赵森辉; 贾鹏; 张巧然
Original assignee: Svolt Energy Technology Co Ltd
Current assignee: Svolt Energy Technology Co Ltd
Priority date: 2020-12-23
Filing date: 2020-12-23
Publication date: 2021-07-02
Anticipated expiration: 2030-12-23

Abstract

The utility model relates to a fixing device and battery module of battery package copper bar, fixing device (1) are used for range upon range of setting with electric core unit (2), fixing device (1) have and are used for holding through channel (11) of copper bar (3), the extending direction perpendicular to of through channel (11) electric core unit (2) with fixing device (1) the direction of arranging. Through above-mentioned technical scheme, the fixing device and the battery module of battery package copper bar that this disclosure provided can solve the extravagant technical problem in space that leads to when arranging the copper bar on the battery module.

Description

Fixing device and battery module of battery package copper bar

Technical Field

The utility model relates to a power battery wraps the field, specifically relates to a fixing device and battery module of battery package copper bar.

Background

The battery module is the energy storage unit of power battery package, and the battery package passes through battery module storage electric energy to go out through battery module with electric energy transmission when whole car needs. The battery module comprises a plurality of battery cores, and the battery cores are fixedly packaged together through the same shell frame or a binding belt and are contacted with the outside through a unified boundary. Because the battery module is generally constructed as an integral module, the battery pack copper bar cannot be arranged above the battery module.

When the copper bar needs to be arranged on the battery pack but the copper bar cannot be arranged on the battery module, the copper bar can only be fixed by arranging a copper bar fixing support above the battery module, and the cost and the space are wasted.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a fixing device and battery module of battery package copper bar to solve the extravagant technical problem in space that leads to when arranging the copper bar on the battery module.

In order to achieve the above object, the present disclosure provides a fixing device for a copper bar of a battery pack, where the fixing device is configured to be stacked with a battery cell unit, the fixing device has a through channel for accommodating the copper bar, and an extending direction of the through channel is perpendicular to an arrangement direction of the battery cell unit and the fixing device.

Optionally, the through channel is configured to be able to accommodate at least two of the copper bars within the same vertical plane.

Optionally, the through channel is configured as a longitudinal channel enabling the copper bar to be placed vertically.

Optionally, the through channel is configured as a first through groove formed at the top of the fixing device, and the first through groove is configured to accommodate at least two copper bars arranged up and down.

Optionally, an inward protruding protrusion is formed on a side wall of the first through groove, and the protrusion separates two adjacent copper bars.

Optionally, a first protrusion protruding inward from a sidewall of the first through groove is formed at a top opening of the first through groove, so as to completely stop the plurality of copper bars in the first through groove.

Optionally, the through channel comprises: the second through groove is formed in the top of the fixing device and used for accommodating at least one copper bar; and the through holes are arranged below the second through groove at intervals and are used for accommodating at least one copper bar.

Optionally, a second protrusion protruding inwards from a side wall of the second through slot is formed at a top opening of the second through slot to completely stop the copper bar in the second through slot.

On the basis of the above technical scheme, this disclosure still provides a battery module, includes: at least two cell units; in the fixing device in the above technical solution, the fixing device is disposed between two adjacent battery cell units; and the CCS assembly is used for bridging the tops of two adjacent battery cell units.

Optionally, the through channel comprises a slot formed in the top of the fixture; the CCS assembly is corresponding to the position of the fixing device is formed into a concave U-shaped part, the top of the fixing device is provided with an avoiding groove used for containing the CCS assembly, the extending direction of the avoiding groove is perpendicular to the groove, the groove bottom of the avoiding groove is lower than the groove bottom of the groove, and therefore the copper bars are arranged above the CCS assembly at intervals.

Through above-mentioned technical scheme, the fixing device of battery package copper bar that this disclosure provided stacks up the setting with electric core unit in the battery module, and can not occupy the space in the battery module outside to can make the space in the battery package by rational utilization, reduce the space extravagant. And because the fixing device is provided with the through channel, the copper bar can penetrate through the battery module through the through channel, so that the copper bar can be quickly and reliably mounted. The battery module that this disclosure provided has the same technological effect with the fixing device of battery package copper bar among the above-mentioned technical scheme, avoids unnecessary repetition, does not describe here any longer.

Additional features and advantages of the disclosure will be set forth in the detailed description which follows.

Drawings

The accompanying drawings, which are included to provide a further understanding of the disclosure and are incorporated in and constitute a part of this specification, illustrate embodiments of the disclosure and together with the description serve to explain the disclosure without limiting the disclosure. In the drawings:

fig. 1 is an isometric view of a battery module equipped with a securing device for a battery pack copper bar according to an embodiment of the present disclosure;

FIG. 2 is a front view of FIG. 1;

fig. 3 is a front view of a battery module equipped with a fixing device of a battery pack copper bar according to another embodiment of the present disclosure;

fig. 4 is a schematic structural diagram of a CCS assembly of a battery module according to an embodiment of the present disclosure.

Description of the reference numerals

1-fixing device, 11-through channel, 111-first through groove, 112-protrusion, 113-first bump, 114-second through groove, 115-through hole, 116-second bump, 12-avoidance groove, 2-cell unit, 21-cell, 3-copper bar, 4-CCS component, 41-bus bar, 42-FPC, 43-U-shaped part, 5-upper cover, 6-ribbon, 7-end plate.

Detailed Description

The following detailed description of specific embodiments of the present disclosure is provided in connection with the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating the present disclosure, are given by way of illustration and explanation only, not limitation.

In the present disclosure, when the terms "upper and lower" are used, the term "inner and outer" refers to the inner and outer relative to the profile of the corresponding component part itself, and the term "inner and outer" refers to the inner and outer relative to the profile of the corresponding component part itself. Terms such as "first," "second," and the like, are used herein to distinguish one element from another, and are not necessarily sequential or significant. Furthermore, in the following description, when referring to the drawings, like reference numbers in different drawings denote like elements.

According to a specific embodiment of the present disclosure, a fixing device for a copper bar of a battery pack is provided, and referring to fig. 1 to fig. 3, the fixing device 1 is configured to be stacked with an electric core unit 2 in a battery module, the fixing device 1 may have a through channel 11 for accommodating the copper bar 3, and an extending direction of the through channel 11 is perpendicular to an arrangement direction of the electric core unit 2 and the fixing device 1. That is to say, the length direction of battery module can be followed to fixing device 1 and the direction of arranging of electric core unit 2, and the width direction of battery module can be followed to the extending direction of through channel 11 for copper bar 3 passes battery module along the width direction of battery module.

Through above-mentioned technical scheme, this fixing device 1 of battery package copper bar that openly provides stacks the setting with electric core unit 2 in the battery module, and can not occupy the space in the battery module outside to can make the space in the battery package by rational utilization, reduce the space extravagant. And because the fixing device 1 is provided with the through channel 11, the copper bar 3 can pass through the battery module through the through channel 11, so that the copper bar 3 can be quickly and reliably mounted.

As shown with reference to fig. 1 to 3, the through channel 11 may be configured to be able to accommodate at least two copper bars 3 within the same vertical plane. That is to say, the through channels 11 enable the plurality of copper bars 3 to be arranged in the same vertical plane in an aligned manner, which is beneficial to saving fixing space along the length direction of the battery module.

In addition, referring to fig. 1 and 3, the through channel 11 may also be configured as a longitudinal channel capable of vertically placing the copper bar 3, so as to further reduce the space occupied by the copper bar 3 along the length direction of the battery module, when the size of the battery pack along the length direction of the battery module is limited, the battery module may be changed into a non-standard module, by reducing the thickness of the fixing device 1 (the size of the fixing device 1 along the length direction of the battery module), so as to reduce the length of the battery module. It should be noted that, the copper bar 3 is vertically placed, which means that the width direction of the copper bar 3 is parallel to the vertical direction.

In particular embodiments of the present disclosure, the through channel 11 may be configured in any suitable manner. As an option, referring to fig. 1 and 2, the through channel 11 may be configured to form a first through groove 111 at the top of the fixing device 1, during the assembly process of the battery pack, the copper bar 3 may be placed into the first through groove 111 through the top opening of the first through groove 111, so that the assembly process is simple and convenient, in addition, the first through groove 111 may be configured to accommodate at least two copper bars 3 arranged up and down, that is, only one first through groove 111 may be provided on the fixing device 1, and a plurality of copper bars 3 are arranged in the first through groove 111 from bottom to top in an aligned manner, such an arrangement makes the fixing device 1 simple in structure and convenient to process.

In order to avoid the contact short circuit between adjacent copper bars 3 in the first through groove 111, referring to fig. 2, an inward protruding protrusion 112 may be formed on a side wall of the first through groove 111, and the protrusion 112 may separate the two adjacent copper bars 3 to avoid the contact short circuit between the two adjacent copper bars 3.

In addition, referring to fig. 2, a first protrusion 113 protruding inward from a sidewall of the first through groove 111 may be further formed at the top opening of the first through groove 111 to completely stop the plurality of copper bars 3 in the first through groove 111, so as to prevent the copper bars 3 from coming out of the top opening of the first through groove 111.

When a plurality of copper bars 3 need to be installed in the battery module, because the grooved tank bottom that fixing device 1's top is used for holding copper bar 3 needs to be higher than the following tank bottom of dodging groove 12 that is used for holding CCS subassembly 4, and the width of copper bar 3 is the broad again and makes and can't hold a plurality of vertical copper bars 3 of placing in the fluting, can set up the trompil in order to hold vertical copper bar 3 of placing at the grooved below interval. That is, as another embodiment of the through channel 11, referring to fig. 3, the through channel 11 may include a second through slot 114 and a through hole 115, the second through slot 114 is formed at the top of the fixing device 1 for accommodating at least one copper bar 3, and the through hole 115 is disposed at an interval below the second through slot 114 for accommodating at least one copper bar 3. When the plurality of copper bars 3 are assembled with the battery module, a part of the copper bars 3 can be placed into the second through groove 114 through the top opening of the second through groove 114, and another part of the copper bars 3 can be inserted into the through hole 115 from the side surface of the fixing device 1.

In addition, as shown in fig. 3, a second protrusion 116 protruding inward from a sidewall of the second through-slot 114 may be formed at the top opening of the second through-slot 114 to completely stop the copper bar 3 in the second through-slot 114, so as to prevent the copper bar 3 from being released from the top opening of the second through-slot 114.

On the basis of the technical scheme, the present disclosure still provides a battery module, as shown in fig. 1 to 4, the battery module may include at least two battery cell units 2, a fixing device 1 and a CCS assembly, the fixing device 1 is disposed between two adjacent battery cell units 2, and the CCS assembly 4 may bridge the tops of two adjacent battery cell units 2.

Through above-mentioned technical scheme, the battery module that this disclosure provided has the same technological effect with the fixing device of battery package copper bar, avoids unnecessary repetition, does not describe here any longer.

Each of the battery cells 2 may include one or more battery cells 21, a stacking direction of the battery cells 21 may be the same as a stacking direction of the battery cells 2 and the fixing device 1, and the poles of the battery cells 21 are located on the same side of the battery cells 2.

The through channel 11 of the fixing device 1 includes a slot formed at the top of the fixing device 1, and the slot may be the first through slot 111 or the second through slot 114 in the above technical solution. Referring to fig. 4, the CCS assembly 4 may include a bus bar 41 connected to the cell unit 2, the bus bar 41 being electrically connected to the electrode post of each of the cells 21, and an FPC42 connected to the bus bar 41, the FPC42 being bonded to the fixture 1, and the bus bar 41 being attached to the fixture 1. In order to avoid the copper bar 3 passing through the first through groove 111 or the second through groove 114, the CCS assembly 4 may be further formed into a concave U-shaped portion 43 at a position corresponding to the fixing device 1, and the top of the fixing device 1 may be formed with an avoiding groove 12 for accommodating the U-shaped portion 43, an extending direction of the avoiding groove 12 is perpendicular to the slot to conform to an extending direction of the CCS assembly 4 bridging the adjacent cell units 2, and a bottom of the avoiding groove 12 is lower than that of the slot, so that the copper bar 3 can be arranged above the CCS assembly 4 at intervals, thereby facilitating the copper bar 3 to be placed into the slot from the slotted opening.

In addition, as shown in fig. 1 to fig. 3, the battery module may further include an upper cover 5, a band 6 and an end plate 7, wherein the upper cover 5 is installed above the battery cell unit 2 and the fixing device 1 and the copper bar 3 in a covering manner, the band 6 is circumferentially wrapped around the outside of the integrated structure formed by the battery cell unit 2 and the fixing device 1, so that the battery cell unit 2 and the fixing device 1 are kept stacked on each other and cannot be scattered, and in the arrangement direction of the battery cell unit 2 and the fixing device 1, the end plate 7 is fixed on the outer end surface of the battery cell unit 2, so as to be used for inserting a high-voltage plug-in component and.

The preferred embodiments of the present disclosure are described in detail with reference to the accompanying drawings, however, the present disclosure is not limited to the specific details of the above embodiments, and various simple modifications may be made to the technical solution of the present disclosure within the technical idea of the present disclosure, and these simple modifications all belong to the protection scope of the present disclosure.

It should be noted that, in the foregoing embodiments, various features described in the above embodiments may be combined in any suitable manner, and in order to avoid unnecessary repetition, various combinations that are possible in the present disclosure are not described again.

In addition, any combination of various embodiments of the present disclosure may be made, and the same should be considered as the disclosure of the present disclosure, as long as it does not depart from the spirit of the present disclosure.

Claims

1. The utility model provides a fixing device of battery package copper bar, characterized in that, fixing device (1) is used for range upon range of setting with electric core unit (2), fixing device (1) has and is used for holding through channel (11) of copper bar (3), the extending direction perpendicular to of through channel (11) electric core unit (2) with fixing device (1) the direction of arranging.

2. Fixing device according to claim 1, characterized in that said through channel (11) is configured so as to be able to accommodate at least two of said copper bars (3) in the same vertical plane.

3. Fixing device according to claim 2, characterized in that said through channel (11) is configured as a longitudinal channel enabling the copper bar (3) to be placed vertically.

4. A fixing device according to claim 3, characterized in that said through channel (11) is configured as a first through slot (111) formed at the top of said fixing device (1), said first through slot (111) being configured so as to be able to accommodate at least two of said copper bars (3) arranged one above the other.

5. A fixation device according to claim 4, wherein the side walls of the first through slot (111) are formed with inwardly protruding protrusions (112), the protrusions (112) separating two adjacent copper bars (3).

6. A fixation device according to claim 4 or 5, wherein the top opening of the first through slot (111) is formed with a first protrusion (113) protruding inwardly from a side wall of the first through slot (111) to completely stop the plurality of copper bars (3) in the first through slot (111).

7. A fixture according to claim 3, characterised in that said through channel (11) comprises:

a second through slot (114) formed at the top of the fixing device (1) for accommodating at least one copper bar (3); and

and the through holes (115) are arranged below the second through grooves (114) at intervals and are used for accommodating at least one copper bar (3).

8. Fixing device according to claim 7, characterized in that the top opening of the second through slot (114) is formed with a second tab (116) projecting inwards from the side wall of the second through slot (114) to stop the copper bar (3) completely in the second through slot (114).

9. A battery module, comprising:

at least two cell units (2);

the fixture (1) according to any of claims 1 to 8, the fixture (1) being arranged between two adjacent cell units (2); and

and the CCS assembly (4) is used for bridging the tops of two adjacent battery cell units (2).

10. The battery module according to claim 9, wherein the through-channel (11) comprises a slot formed at the top of the fixing device (1);

CCS subassembly (4) is corresponding the position of fixing device (1) forms into recessed U-shaped portion (43), the top of fixing device (1) is formed with and is used for holding CCS subassembly (4) dodge groove (12), the extending direction perpendicular to of dodging groove (12) the fluting, just the tank bottom of dodging groove (12) is less than grooved tank bottom, so that copper bar (3) interval sets up the top of CCS subassembly (4).