CN219759800U - Tentacle-preventing limiting piece of battery module and battery pack - Google Patents

Abstract

The utility model provides an anti-tentacle limiting part of a battery module and a battery pack, wherein the battery module is arranged on a battery box body, and the anti-tentacle limiting part comprises: the fixing part is used for being connected with the battery box body; the limiting part is connected with the fixing part and used for limiting the battery module; and the protection plate is connected with the fixing part and/or the limiting part and is used for shielding the conductive part between the battery module and the battery box body. The utility model can fix the battery module and prevent an operator from touching the conductive component.

Description

Tentacle-preventing limiting piece of battery module and battery pack

Technical Field

The utility model relates to the technical field of batteries, in particular to an anti-tentacle limiting part of a battery module and a battery pack.

Background

The battery pack used for the energy storage system is provided with a battery module and a battery box body, wherein the battery box body is generally formed by bending metal plates, and the battery module is installed in the battery box body after being connected in series by a plurality of single cells in groups and is connected with external equipment of the battery box body through a conductive part.

In the installation of energy storage system or transportation, the battery package needs to be carried, and the battery module moves in the battery box easily in the handling to scrape with the battery box and bump and cause the damage, in order to avoid its removal to cause the damage in the battery box, all can be connected fixedly battery module and battery box at present.

In the prior battery pack, after a battery module is fixed, in a state that a battery box body is not completely closed, a conductive part is exposed outside, and an operator has touch risk and potential safety hazard.

Disclosure of Invention

Accordingly, the present utility model is directed to a battery module anti-tentacle stopper and a battery pack, which can fix the battery module and prevent an operator from touching a conductive member.

In order to achieve the above object, the present utility model provides an anti-tentacle limiting member of a battery module, the battery module is mounted on a battery box, the anti-tentacle limiting member includes: the fixing part is used for being connected with the battery box body; the limiting part is connected with the fixing part and used for limiting the battery module; and the protection plate is connected with the fixing part and/or the limiting part and is used for shielding the conductive part between the battery module and the battery box body.

Preferably, the fixing portion includes a first fixing hole, the limiting portion includes a first connecting hole, the top of the protection plate is connected with the limiting portion, a side of the protection plate is connected with the fixing portion, the bottom of the protection plate is flush with the bottom of the fixing portion, and the first connecting hole protrudes from the protection plate.

Preferably, the protection plate comprises a plurality of heat dissipation holes, the heat dissipation holes are vertically distributed along the vertical direction of the protection plate, and the heat dissipation holes are in a strip-shaped hole shape and are horizontally arranged.

The utility model also provides a battery pack, which comprises a battery module and a battery box body, and further comprises a fixing structure, wherein the fixing structure comprises the tentacle-preventing limiting piece.

Preferably, the battery module comprises a front end plate, the front end plate comprises a first limiting hole, and the first connecting hole of the anti-tentacle limiting piece is connected with the first limiting hole.

Preferably, the battery box body comprises a base, the base supports the battery module, the base is provided with a first threaded hole, the first threaded hole is coaxial with the first connecting hole, the fixing structure further comprises a first screw rod, and the first screw rod penetrates through the first connecting hole and the first limiting hole and is connected with the first threaded hole.

Preferably, the battery module includes a rear end plate including a second limiting hole, the fixing structure includes a rear end limiter including a second connecting hole connected with the second limiting hole.

Preferably, the battery box body comprises an upper cover plate, the upper cover plate is provided with a mounting hole, the rear end limiting piece comprises a second threaded hole, and the mounting hole is connected with the second threaded hole; the base is provided with a third threaded hole, the third threaded hole is coaxial with the second connecting hole, the fixing structure comprises a second screw rod, and the second screw rod penetrates through the second connecting hole and the second limiting hole and is connected with the third threaded hole.

Preferably, the base comprises a bottom plate, a front positioning piece, a rear positioning piece and two side positioning pieces, wherein the two side positioning pieces are respectively connected to the left side and the right side of the bottom plate; the front positioning piece is positioned at the front end of the bottom plate, and two ends of the front positioning piece are respectively connected with the two side positioning pieces; the rear positioning piece is positioned at the rear end of the bottom plate, and two ends of the rear positioning piece are respectively connected with the two side positioning pieces; and a positioning groove for accommodating the battery module is formed among the bottom plate, the front positioning piece, the rear positioning piece and the two side positioning pieces.

Preferably, the base further comprises an intermediate parting bead, the intermediate parting bead is located between the two lateral positioning pieces, one end of the intermediate parting bead is connected with the front positioning piece, the other end of the intermediate parting bead is connected with the rear positioning piece, and the intermediate parting bead is used for performing interval positioning on the two battery modules.

Compared with the prior art, the technical scheme of the utility model has the following advantages: the battery module is connected with the battery box body through the anti-tentacle limiting piece, so that an operator is prevented from touching the conductive component while the battery module is fixed, and potential safety hazards are reduced; the front end plate and the rear end plate of the battery module are connected with the corresponding limiting parts, so that single battery cells are prevented from being deformed, and the installation parts do not need to be independently manufactured, so that the cost is reduced; the positioning groove is formed in the base to position the battery module, so that the battery module is convenient to install; the positioning groove is matched with the limiting piece, so that the stability of the installation of the battery module is improved.

Drawings

Fig. 1 is a perspective view of an anti-tentacle limiter provided by an embodiment of the present utility model;

fig. 2 is a schematic view of a battery module according to an embodiment of the present utility model;

FIG. 3 is a schematic view of a front end plate provided by an embodiment of the present utility model;

fig. 4 is a schematic view of a battery pack according to an embodiment of the present utility model;

fig. 5 is a schematic view of a battery module according to an embodiment of the present utility model mounted in a battery case;

FIG. 6 is a schematic view of a rear end stop provided in an embodiment of the present utility model;

fig. 7 is a schematic view of a base provided in an embodiment of the present utility model.

Detailed Description

The preferred embodiments of the present utility model will be described in detail below with reference to the accompanying drawings, but the present utility model is not limited to these embodiments only. The utility model is intended to cover any alternatives, modifications, equivalents, and variations that fall within the spirit and scope of the utility model.

In the following description of preferred embodiments of the utility model, specific details are set forth in order to provide a thorough understanding of the utility model, and the utility model will be fully understood to those skilled in the art without such details.

The utility model is more particularly described by way of example in the following paragraphs with reference to the drawings. It should be noted that the drawings are in a simplified form and are not to scale precisely, but rather are merely intended to facilitate and clearly illustrate the embodiments of the present utility model.

Please refer to fig. 1, which is a schematic diagram of an anti-tentacle limiting member according to an embodiment of the present utility model. The tentacle-preventing limiting member 3 comprises a fixing portion 31, a limiting portion 32 and a protection plate 33, wherein the fixing portion 31 is in a vertical plate shape, two first fixing holes 311 are formed in the fixing portion 31 and are fixedly connected with the battery box body 2, the limiting portion 32 is in a horizontal plate shape, one end of the limiting portion 32 is connected with the top end of the fixing portion 31, the other end of the limiting portion extends in a direction away from the fixing portion 31, the fixing portion 31 and the limiting portion 32 form a right-angle shape, a first connecting hole 321 is formed in the other end of the limiting portion 32, and the first connecting hole 321 is used for connecting the battery module 1, so that limiting of the battery module 1 is achieved. The protection plate 33 is in a vertical flat plate shape, and can be connected with the fixing portion 31 and/or the limiting portion 32, in this embodiment, one side of the protection plate 33 is connected with the fixing portion 31, the top is connected with the limiting portion 32, the bottom of the protection plate 33 is flush with the bottom of the fixing portion 31, the other end of the limiting portion 32 extends out of the other side of the protection plate 33, and the first connecting hole 321 protrudes out of the protection plate 33.

The body of the protection plate 33 is also provided with a plurality of heat dissipation holes 331, the plurality of heat dissipation holes 331 are vertically staggered along the vertical direction of the protection plate 33, and the plurality of heat dissipation holes 331 are in a strip-shaped hole shape and are horizontally arranged. The battery module 1 is connected with conductive parts (not shown in the figure) such as a conductive wire harness and a copper bar, the protection plate 33 is used for shielding the conductive parts, so as to prevent operators from touching, and cause personal injury, and the heat dissipation holes 331 are used for dissipating heat generated by the conductive parts. The tentacle-preventing limiting member 3 further comprises a first reinforcing plate 34 and a second reinforcing plate 35, the first reinforcing plate 34 is connected to the bottom of the protection plate 33, the strength of the tentacle-preventing limiting member 3 is increased, and a second fixing hole 341 is formed and used for being connected with the battery box 2, so that the stability of connection with the battery box 2 is improved. The second reinforcing plate 35 is connected to the other side of the shielding plate 33, and is opposite to the fixing portion 31, so as to further improve the strength of the anti-tentacle limiting member 3. One end of the limiting part 32 provided with the first connection hole 321 protrudes out of the second reinforcing plate 35 so as to be connected with the battery module 1. In this embodiment, the tentacle prevention stopper 3 is made of sheet metal parts integrally formed.

Fig. 2 is a schematic diagram of a battery module according to an embodiment of the utility model. The battery module 1 comprises a plurality of single battery cells 11, a front end plate 12 and a rear end plate 13, wherein the single battery cells 11 are sequentially arranged front and back, the front end plate 12 is attached to the front of the first single battery cell 11, and the rear end plate 13 is attached to the rear of the last single battery cell and is bound into a group through a binding belt 14. The front end plate 12 and the rear end plate 13 have the same structure, as shown in fig. 2, in this embodiment, the front end plate 12 and the rear end plate 13 are vertically arranged, and each has a plurality of vertical cavities penetrating through the upper and lower ends, so that the processing is simple and the weight is light. As shown in fig. 3, the left and right sides of the front end plate 12 are provided with first limiting holes 121, and the first limiting holes 121 penetrate through the upper and lower ends of the front end plate 12. Similarly, the left and right sides of the rear end plate 13 are provided with second limiting holes 131, and the structure of the second limiting holes 131 is the same as that of the first limiting holes 121. In the prior art, when the battery module 1 is in limit connection, a mounting piece is directly added at the top of the single battery cell to connect, so that the top of the single battery cell is easy to deform. In this embodiment, after the battery module 1 is mounted on the battery box 2, the first limiting hole 121 of the front end plate 12 and the second limiting hole 131 of the rear end plate 13 can be utilized to connect with corresponding limiting members, so as to limit the battery module 1, and when preventing movement of the battery module 1, the situation that the single battery cell is deformed is avoided, and in addition, the mounting member is not required to be independently manufactured, so that the cost is reduced, and the first limiting hole 121 and the second limiting hole 131 are bar-shaped holes, so that the position of the battery module 1 can be adjusted in the limiting connection process, and the connection is facilitated.

Fig. 4 is a schematic diagram of a battery pack according to an embodiment of the utility model. The battery package includes battery module 1, battery box 2 and fixed knot constructs, and wherein, fixed knot constructs including preventing tentacle locating part 3 and rear end locating part 4, and battery box 2 includes base 21, front bezel 22 and upper cover plate 23, and base 21 is used for installing battery module 1 to support the bottom of battery module 1, prevent tentacle locating part 3 one side and be connected with the front bezel 22 of battery box 2, the opposite side is connected with the front end plate 12 of battery module 1. One end of the rear end limiting piece 4 is connected with the upper cover plate 23, and the other end of the rear end limiting piece is connected with the rear end plate 13 of the battery module 1, so that the front end and the rear end of the battery module 1 are fixed, and the battery module 1 is prevented from moving in the battery box body 1 to cause damage

Specifically, as shown in fig. 5, the anti-tentacle limiting member 3 is fixedly connected with the front cover plate 22 of the battery box 2 through a first fixing hole 311, the position of the first connecting hole 321 corresponds to the position of the first limiting hole 121, and the limiting of the front end of the battery module 1 is realized after the anti-tentacle limiting member and the first limiting hole are connected. And the protection plate 33 is positioned between the front cover 22 and the front end plate 12 of the battery module 1 to shield the conductive member positioned between the front cover 22 and the front end plate 12, thereby improving safety. In this embodiment, the base 21 is provided with a first threaded hole (not shown in the drawing), the position of the first threaded hole is coaxial with the first connecting hole 321, the fixing structure includes a first screw rod (not shown in the drawing), and the first screw rod passes through the first connecting hole 321 and the first limiting hole 121 and then is connected with the first threaded hole, so that the limit of the anti-tentacle limiting piece 3 on the battery module 1 is realized, and the first screw rod and the first connecting hole 321 can be fastened by nuts. The battery module 1 is connected and limited through the first screw rod, so that the connection strength is improved. In this embodiment, each battery module 1 may correspond to two anti-tentacle limiting members 3, and the two anti-tentacle limiting members 3 are connected with two first limiting holes 121 to limit the front end of the battery module 1, thereby improving stability.

Specifically, as shown in fig. 6, the rear end limiter 4 includes a first horizontal plate 41, a second horizontal plate 42, and a vertical plate 43, the first horizontal plate 41 is connected to the top end of the vertical plate 43, the second horizontal plate 42 is connected to the bottom end, one ends of the first horizontal plate 41 and the second horizontal plate 42 are connected to the vertical plate 43, the other ends extend in the same direction away from the vertical plate 43, and the first horizontal plate 41 is shorter than the second horizontal plate 42. The second horizontal plate 42 is provided with a second connecting hole 421, the base 21 is provided with a third threaded hole (not shown in the figure), the position of the second connecting hole 421 corresponds to the position of the second limiting hole 131, the second connecting hole 421 is coaxial with the third threaded hole, in this embodiment, the fixing structure includes a second screw (not shown in the figure), and the second screw passes through the second connecting hole 421 and the second limiting hole 131 and then is connected with the third threaded hole, and the second connecting hole 421 and the second screw can be fixed by nuts. The upper cover plate 23 of the battery box body 1 is provided with a mounting hole 231, the first horizontal plate 41 is provided with a second threaded hole 411, and the mounting hole 231 is correspondingly connected with the second threaded hole 411, so that the rear end limiting piece 4 is fixedly connected with the upper cover plate 23, and limiting and fixing of the rear end of the battery module 1 are realized. The rear end limiting piece 4 is further provided with a clamping portion 44, and the clamping portion 44 is used for being clamped into the vertical cavity of the rear end plate 13, so that the rear end limiting piece 4 and the rear end plate 13 can be conveniently clamped and positioned and then fixedly connected. In this embodiment, each battery module 1 corresponds to two rear end limiting members 4 and is connected with two second limiting holes 131 respectively, so as to limit the rear end of the battery module 1 and improve stability.

In this embodiment, as shown in fig. 7, the base 21 includes a bottom plate 211, and a front positioning member 212, a rear positioning member 213 and side positioning members 214 located above the bottom plate 211, where two side positioning members 214 are located on the left and right sides of the bottom plate 211, respectively, the front positioning member 212 is located at the front end of the bottom plate 211, two ends of the front positioning member are connected to the two side positioning members 214, respectively, the rear positioning member 213 is located at the rear end of the bottom plate 211, and two ends of the rear positioning member 213 are also connected to the two side positioning members 214, respectively, so as to improve the strength of the bottom plate 211. The top surfaces of the front positioning piece 212 and the rear positioning piece 213 are lower than the top surfaces of the two side positioning pieces, concave positioning grooves are formed among the bottom plate 211, the front positioning piece 212, the rear positioning piece 213 and the two side positioning pieces 214, and when the battery module 1 is installed in the battery box body 2, the battery module 1 can be positioned through the positioning grooves first, so that the installation efficiency is improved. The base 21 further includes a middle partition plate 215, the middle partition plate 215 is parallel to the two side positioning members 214 and is located between the two side positioning members 214, one end of the middle partition plate 215 is connected with the front positioning member 212, the other end of the middle partition plate is connected with the rear positioning member 213, and the middle partition plate 215 divides the positioning groove into two parts, so that two battery modules 1 can be conveniently installed and positioned respectively, and meanwhile, the strength of the bottom plate 211 is further improved.

Although the embodiments have been described and illustrated separately above, and with respect to a partially common technique, it will be apparent to those skilled in the art that alternate and integration may be made between embodiments, with reference to one embodiment not explicitly described, and reference may be made to another embodiment described.

The above-described embodiments do not limit the scope of the present utility model. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the above embodiments should be included in the scope of the present utility model.

Claims (10)

1. The utility model provides a battery module prevents tentacle locating part, battery module (1) are installed in battery box (2), its characterized in that, prevent tentacle locating part includes:

a fixing part (31) for connecting with the battery box body (2);

the limiting part (32) is connected with the fixing part (31) and is used for limiting the battery module (1);

and a protection plate (33) connected with the fixing part (31) and/or the limiting part (32), wherein the protection plate (33) is used for shielding a conductive part between the battery module (1) and the battery box body (2).

2. The tentacle-preventing limiting member of a battery module according to claim 1, wherein the fixing portion (31) includes a first fixing hole (311), the limiting portion (32) includes a first connecting hole (321), the top of the protection plate (33) is connected with the limiting portion (32), one side of the protection plate (33) is connected with the fixing portion (31), the bottom of the protection plate (33) is flush with the bottom end of the fixing portion (31), and the first connecting hole (321) protrudes from the protection plate (33).

3. The tentacle prevention limiting member of the battery module according to claim 2, wherein the protection plate (33) includes a plurality of heat dissipation holes (331), the plurality of heat dissipation holes (331) are arranged up and down along the vertical direction of the protection plate (33), and the heat dissipation holes (331) are bar-shaped hole-like and horizontally arranged.

4. A battery pack comprising a battery module (1) and a battery case (2), characterized by further comprising a fixing structure comprising the tentacle prevention stopper (3) according to any one of claims 1 to 3.

5. The battery pack according to claim 4, wherein the battery module (1) includes a front end plate (12), the front end plate (12) includes a first limiting hole (121), and the first connection hole (321) of the tentacle-preventing limiting member (3) is connected with the first limiting hole (121).

6. The battery pack according to claim 5, wherein the battery case (2) includes a base (21), the base (21) supports the battery module (1), the base (21) is provided with a first screw hole coaxial with the first connection hole (321), and the fixing structure further includes a first screw passing through the first connection hole (321) and the first limiting hole (121) and connected with the first screw hole.

7. The battery pack according to claim 6, wherein the battery module (1) includes a rear end plate (13), the rear end plate (13) includes a second limiting hole (131), the fixing structure includes a rear end limiter (4), the rear end limiter (4) includes a second connection hole (421), and the second connection hole (421) is connected with the second limiting hole (131).

8. The battery pack according to claim 7, wherein the battery case (2) includes an upper cover plate (23), the upper cover plate (23) is provided with a mounting hole (231), the rear end limiter (4) includes a second threaded hole (411), and the mounting hole (231) is connected with the second threaded hole (411); the base (21) is provided with a third threaded hole, the third threaded hole is coaxial with the second connecting hole (421), the fixing structure comprises a second screw rod, and the second screw rod penetrates through the second connecting hole (421) and the second limiting hole (131) and is connected with the third threaded hole.

9. The battery pack according to claim 8, wherein the base (21) includes a bottom plate (211), a front positioning member (212), a rear positioning member (213), and two side positioning members (214), the two side positioning members (214) being respectively connected to left and right sides of the bottom plate (211); the front positioning piece (212) is positioned at the front end of the bottom plate (211), and two ends of the front positioning piece (212) are respectively connected with the two side positioning pieces (214); the rear positioning piece (213) is positioned at the rear end of the bottom plate (211), and two ends of the rear positioning piece (213) are respectively connected with the two side positioning pieces (214); positioning grooves for accommodating the battery module (1) are formed among the bottom plate (211), the front positioning piece (212), the rear positioning piece (213) and the two side positioning pieces (214).

10. The battery pack according to claim 9, wherein the base (21) further comprises an intermediate spacer (215), the intermediate spacer (215) is located between the two lateral positioning members (214), one end of the intermediate spacer (215) is connected to the front positioning member (212), the other end is connected to the rear positioning member (213), and the intermediate spacer (215) is used for performing interval positioning on the two battery modules (1).