CN214411359U

CN214411359U - Integrated CCS support of low-voltage battery system electric core

Info

Publication number: CN214411359U
Application number: CN202023275770.7U
Authority: CN
Inventors: 颜旭
Original assignee: Hubei Eve Power Co Ltd
Current assignee: Hubei Eve Power Co Ltd
Priority date: 2020-12-29
Filing date: 2020-12-29
Publication date: 2021-10-15
Anticipated expiration: 2030-12-29

Abstract

A low-voltage battery system electric core integrated CCS support comprises a substrate and a protective frame. An inner cavity for accommodating aluminum bars is arranged on the front surface of the substrate; the protection frame is including insulating extension piece and guardrail, and the outer wall connection of insulating extension piece and base plate, and insulating extension piece and base plate hookup location department have seted up the output and have extremely exported, and the guardrail sets up around the edge of insulating extension piece. The outer wall of the substrate is provided with a protective frame for supporting the exposed part of the output electrode aluminum bar, and the guardrail and the insulating extension sheet are matched to provide protection for the exposed part of the output electrode aluminum bar so as to prevent the exposed part from directly contacting with an external part; insulating extension piece and guardrail are insulating part, can separate output utmost point aluminium bar and battery box, increase the electric interval between output utmost point aluminium bar and the battery box, play insulating guard action.

Description

Integrated CCS support of low-voltage battery system electric core

Technical Field

The utility model relates to a power battery technical field especially relates to an integrated CCS support of low voltage battery system electric core.

Background

The current CCS support is integrated with the battery module as the carrier of aluminium bar and FPC board, when assembling the battery module promptly, need set up aluminium bar and FPC board on the CCS support, and the aluminium bar is for being used for the conductive part of being connected with electric core electricity, is provided with on the battery module to be used for the output utmost point aluminium bar with the outside butt joint, and for the convenience of wiring, the output utmost point aluminium bar is equipped with and contacts the position with electric core and extends to the outer wiring position of CCS support.

The main component of the aluminum bar is aluminum, and the aluminum bar is soft in texture, and the connection part of the output pole aluminum bar is designed in a way that the connection part is exposed, so that the aluminum bar is a vulnerable part.

Therefore, there is a need to optimize the structure of CCS supports to improve their protection against vulnerable components.

SUMMERY OF THE UTILITY MODEL

The utility model aims at overcoming the weak point among the prior art, providing one kind can effectively protect output utmost point aluminium bar, the integrated CCS support of low-voltage battery system electricity core that insulating properties is good.

The purpose of the utility model is realized through the following technical scheme:

a low-voltage battery system cell integration CCS support includes: a substrate and a protection frame;

an inner cavity for accommodating aluminum bars is formed in the front surface of the substrate;

the protection frame is including insulating extension piece and guardrail, insulating extension piece with the outer wall connection of base plate, just insulating extension piece with base plate hookup location has seted up the output utmost point export, the guardrail centers on the edge setting of insulating extension piece.

In one embodiment, two limiting protrusions are arranged at the outlet of the output electrode, and the two limiting protrusions are arranged oppositely.

In one embodiment, the guardrail comprises a side barrier strip and an end barrier strip, one end of the side barrier strip is connected with the outer wall of the base plate, and the other end of the side barrier strip is connected with the end barrier strip.

In one embodiment, the end barrier strips and the side barrier strips form an L-shaped structure, the end barrier strips, the side barrier strips and the insulating extension pieces enclose a semi-closed cavity, and the semi-closed cavity is communicated with the inner cavity through the output electrode outlet.

In one embodiment, a plurality of partition ribs are arranged in the inner cavity at intervals, a plurality of positioning portions are defined by the partition ribs and the cavity wall of the inner cavity in an enclosing manner, and each positioning portion is used for accommodating one aluminum bar.

In one embodiment, the substrate is provided with a plurality of vent holes.

In one embodiment, a plurality of limiting ribs are arranged on the back surface of the base plate at intervals.

In one embodiment, the integrated CCS bracket for the electric core of the low-voltage battery system further includes a plurality of fixing supports, the fixing supports are all disposed on the outer wall of the substrate, each fixing support includes a docking block and a limiting piece disposed on two sides of the docking block, and the docking block is used for docking with a battery box.

In one embodiment, the thickness of the butt-joint block is larger than that of the limiting piece.

In one embodiment, the butt-joint blocks are provided with glue injection holes.

Compared with the prior art, the utility model discloses at least, following advantage has:

1. the outer wall of the substrate is provided with a protective frame for supporting the exposed part of the output electrode aluminum bar, and the guardrail and the insulating extension sheet are matched to provide protection for the exposed part of the output electrode aluminum bar so as to prevent the exposed part from directly contacting with an external part;

2. insulating extension piece and guardrail are insulating part, can separate output utmost point aluminium bar and battery box, increase the electric interval between output utmost point aluminium bar and the battery box, play insulating guard action.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a schematic structural diagram of a low-voltage battery system electrical core integrated CCS bracket according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a cell integrated CCS bracket of the low voltage battery system shown in fig. 1 from another view;

fig. 3 is a front view of a cell integrated CCS bracket of a low voltage battery system according to an embodiment of the present invention;

fig. 4 is an enlarged view at a of fig. 1.

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. The preferred embodiments of the present invention are shown in the drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1 and fig. 2, a cell integrated CCS bracket 10 of a low voltage battery system includes: a substrate 100 and a protection frame 200; the battery system comprises a battery box body, a plurality of electric cores accommodated in the battery box body, a low-voltage battery system electric core integrated CCS support 10 and a plurality of aluminum bars arranged on the low-voltage battery system electric core integrated CCS support 10, wherein the electric cores are connected in series/parallel through the aluminum bars to form a battery pack, the output end of the battery pack is electrically connected with external equipment through an output electrode aluminum bar, the aluminum bars are all accommodated in the substrate 100, the protection frame 200 is arranged on the outer wall of the substrate 100 and provides protection for the exposed part of the output electrode aluminum bar.

Referring to fig. 1, an inner cavity 110 for accommodating an aluminum bar is disposed on the front surface of the substrate 100; here, the front surface is an end surface of the substrate 100 shown in fig. 1, and when assembled, the front surface of the substrate 100 refers to an end surface of the substrate 100 far away from the battery cell, and the aluminum bar is disposed on the front surface of the substrate 100. The back surface of the substrate 100 faces the battery cell and contacts the battery case.

Referring to fig. 1 and 4, the protection frame 200 includes an insulating extension sheet 210 and a guardrail 220, the insulating extension sheet 210 is connected to an outer wall of the substrate 100, an output electrode outlet 120 is formed at a connection position of the insulating extension sheet 210 and the substrate 100, and the guardrail 220 is disposed around an edge of the insulating extension sheet 210.

After the output electrode aluminum bar is arranged in the substrate 100, the exposed part of the output electrode aluminum bar penetrates through the output electrode outlet 120 and extends out of the substrate 100, the insulating extension piece 210 is attached to the exposed part to separate the output electrode aluminum bar from the battery box body, and the guardrail 220 surrounds the exposed part of the output electrode aluminum bar to provide protection.

The substrate 100 and the protection frame 200 are made of an insulating material, such as plastic, rubber, or resin.

It should be noted that, the battery box is a metal box, if the output electrode aluminum bar contacts with the battery box, potential safety hazards such as electric leakage and short circuit can occur, and the protective frame 200 can increase the electrical gap between the exposed portion of the output electrode aluminum bar and the battery box, so as to play a role in insulation protection, thereby improving the safety performance of the integrated CCS bracket 10 for the battery core of the low-voltage battery system.

Referring to fig. 3 and 4, in an embodiment, two limiting protrusions 121 are disposed at the output electrode outlet 120, and the two limiting protrusions 121 are disposed opposite to each other. Spacing arch 121 is used for preventing the outer wall laminating of output utmost point aluminium bar from taking place to slide with output utmost point aluminium bar.

Referring to fig. 1 and 4, in one embodiment, the guardrail 220 includes a side barrier 221 and an end barrier 222, wherein one end of the side barrier 221 is connected to the outer wall of the substrate 100, and the other end of the side barrier 221 is connected to the end barrier 222. The end barrier strips 222 and the side barrier strips 221 form an L-shaped structure, the end barrier strips 222, the side barrier strips 221 and the insulating extension pieces 210 enclose a semi-closed cavity, and the semi-closed cavity is communicated with the inner cavity 110 through the output electrode outlet 120. The upper end of the semi-closed cavity and the portion of the insulating extension piece 210 not surrounded by the side barrier strips 221 and the end barrier strips 222 form an opening, so that the output electrode aluminum bar is partially exposed to facilitate the wiring operation.

Referring to fig. 1 and fig. 3, in an embodiment, a plurality of partition ribs 111 are disposed at intervals in the inner cavity 110, the partition ribs 111 and the cavity wall of the inner cavity 110 enclose a plurality of positioning portions 112, and each positioning portion 112 is used for accommodating one aluminum bar.

Referring to fig. 1 and 2, in an embodiment, a plurality of vent holes 130 are formed on the substrate 100. When the cell is out of control due to heat, the gas can be discharged through the vent hole 130, so that the safety performance of the integrated CCS bracket 10 of the low-voltage battery system cell is further improved.

Referring to fig. 2, in an embodiment, a plurality of limiting ribs 140 are disposed on the back surface of the substrate 100 at intervals. When the substrate 100 is arranged on the battery box body, the limiting ribs 140 are correspondingly inserted into the interval between two adjacent electric cores, so that the fixing positions of the electric cores are corrected in an auxiliary manner, and the electrodes of the electric cores are ensured to be accurately butted with the aluminum bars on the substrate 100.

Referring to fig. 1 and fig. 2, further, in order to facilitate the installation of the low-voltage battery system cell integrated CCS bracket 10 on the battery box, the low-voltage battery system cell integrated CCS bracket 10 further includes a plurality of fixing supports 300, the fixing supports 300 are all disposed on the outer wall of the substrate 100, each fixing support 300 includes a butt-joint block 310 and limiting pieces 320 disposed on two sides of the butt-joint block 310, and the butt-joint block 310 is used for being in butt joint with the battery box. The thickness of the butt-joint block 310 is larger than that of the limiting piece 320. The butt-joint blocks 310 are all provided with glue injection holes 311.

Referring to fig. 1, after the substrate 100 is placed on the battery box, the butt-joint block 310 on the fixing support 300 is embedded into the battery box, the limiting piece 320 abuts against the end face of the battery box, the butt-joint block 310 is positioned, and glue is injected into the glue injection hole 311, so that the glue flows into a gap between the butt-joint block 310 and the battery box, and the fixing support 300 and the battery box are bonded together. In order to improve the impact resistance and the vibration resistance, the limiting sheet 320 is provided with a reinforcing rib 321.

1. the outer wall of the substrate 100 is provided with a protective frame 200 to support the exposed part of the output electrode aluminum bar, and the guardrail 220 and the insulating extension sheet 210 cooperate to protect the exposed part of the output electrode aluminum bar from directly contacting with external parts;

2. insulating extension piece 210 and guardrail 220 are insulating part, can separate output utmost point aluminium bar and battery box, increase the electric interval between output utmost point aluminium bar and the battery box, play insulating protection.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. The utility model provides an integrated CCS support of low voltage battery system electricity core which characterized in that includes:

the front surface of the substrate is provided with an inner cavity for accommodating an aluminum bar;

the protection frame comprises an insulating extension piece and a guardrail, the insulating extension piece is connected with the outer wall of the base plate, an output electrode outlet is formed in the position, where the base plate is connected, of the insulating extension piece, and the guardrail surrounds the edge of the insulating extension piece.

2. The CCS support integrated with the battery cells of the low-voltage battery system according to claim 1, wherein two limiting protrusions are arranged at the outlet of the output electrode, and the two limiting protrusions are arranged oppositely.

3. The CCS bracket integrated with the battery cells of the low-voltage battery system according to claim 1, wherein the guardrail comprises a side barrier and an end barrier, one end of the side barrier is connected with the outer wall of the base plate, and the other end of the side barrier is connected with the end barrier.

4. The CCS bracket integrated with the battery cells of the low-voltage battery system according to claim 3, wherein the end barrier strips and the side barrier strips form an L-shaped structure, the end barrier strips, the side barrier strips and the insulating extension pieces enclose a semi-closed cavity, and the semi-closed cavity is communicated with the inner cavity through the output electrode outlet.

5. The CCS support integrated with the battery core of the low-voltage battery system according to any one of claims 1 to 4, wherein a plurality of partition ribs are arranged in the inner cavity at intervals, a plurality of positioning portions are enclosed by the partition ribs and the cavity wall of the inner cavity, and each positioning portion is used for accommodating one aluminum bar.

6. The CCS bracket for integrating the battery cells of the low-voltage battery system according to any one of claims 1 to 4, wherein the substrate is provided with a plurality of vent holes.

7. The CCS bracket for integrating the battery cells of the low-voltage battery system according to any one of claims 1 to 4, wherein a plurality of limiting ribs are arranged on the back surface of the base plate at intervals.

8. The CCS bracket integrated with the battery core of the low-voltage battery system according to claim 1, further comprising a plurality of fixing supports, wherein the fixing supports are arranged on the outer wall of the substrate, each fixing support comprises a butt joint block and limiting pieces arranged on two sides of the butt joint block, and the butt joint block is used for being in butt joint with a battery box body.

9. The CCS bracket integrated with the battery cells of the low-voltage battery system according to claim 8, wherein the thickness of the butt-joint block is greater than that of the limiting piece.

10. The CCS bracket integrated with the electric core of the low-voltage battery system according to any one of claims 8 to 9, wherein the butt-joint blocks are provided with glue injection holes.