CN216436069U

CN216436069U - Battery panel and battery pack

Info

Publication number: CN216436069U
Application number: CN202122514207.9U
Authority: CN
Inventors: 杨明平
Original assignee: Envision Power Technology Jiangsu Co Ltd; Envision Ruitai Power Technology Shanghai Co Ltd
Current assignee: Envision Power Technology Jiangsu Co Ltd; Envision Ruitai Power Technology Shanghai Co Ltd
Priority date: 2021-10-19
Filing date: 2021-10-19
Publication date: 2022-05-03
Anticipated expiration: 2031-10-19

Abstract

The utility model relates to a battery technology field especially relates to a battery panel and battery package. This battery panel installs on the battery package, mainly includes: body, base and high-pressure signal connector. Wherein, the body is provided with a through hole; the base is connected with the body and is provided with a low-voltage signal connector, a heating connector and a high-voltage interface; the high-voltage interface part passes through the through hole and is connected with the high-voltage signal connector. The battery panel is integrally formed, has a simple and compact structure, can reduce the use of parts such as bolts and the like, saves cost and installation space, and can improve the processing operation efficiency. The battery pack is simple in structure, easy to operate, small in occupied space and small in occupied space, and saves cost.

Description

Battery panel and battery pack

Technical Field

The utility model relates to a battery technology field especially relates to a battery panel and battery package.

Background

With the development of economy and the progress of science and technology, traffic becomes more and more convenient, and vehicles such as new energy automobiles gradually move to thousands of households, and the storage of energy becomes particularly important at the moment. In order to solve the mileage endurance problem of the new energy automobile, the battery pack needs to have more electric quantity and higher energy density. Large-scale vehicles such as passenger cars and trucks need a plurality of battery packs to be connected in series and in parallel to improve the electric quantity of the whole vehicle, and thus the battery packs are connected through connectors to ensure energy transmission and signal interaction among the battery packs.

However, in the connection of the battery pack in the prior art, through holes are formed in the lower case body of the battery pack, and different connectors are locked and attached to the lower case body through bolts, which results in 1) a large number of types of connectors, and in order to ensure the sealing performance of each connector, each connector needs to be sealed separately, thereby causing a risk of high sealing failure rate; 2) the types and the number of the bolts for fixing the connector are large, so that the standardized and batch operation is not facilitated, the cost is increased, and the operation efficiency is reduced; 3) the connector needs to be assembled into the lower box body, the required assembly site space is large, and the efficiency is low.

Therefore, it is desirable to design a battery panel and a battery pack to solve the above problems in the prior art.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a battery panel, this battery panel integrated into one piece, simple structure compactness, sealing performance are good, can reduce the use of spare parts such as bolt, practice thrift the cost, save installation space, improve processing operating efficiency.

To achieve the purpose, the utility model adopts the following technical proposal:

the utility model provides a battery panel installs on the battery package, include:

the body is provided with a through hole;

the base is connected with the body and is provided with a low-voltage signal connector, a heating connector and a high-voltage interface;

the high-voltage interface at least partially penetrates through the through hole to be connected with the high-voltage signal connector.

As an alternative, the base, the low-voltage signal connector, the heating connector and the high-voltage interface are integrally injection-molded.

As an alternative, a first sealing ring and a second sealing ring are arranged on the base, and the first sealing ring is located on the outer side of the second sealing ring.

As an alternative, the battery panel includes a first fixing member, a first fixing hole is provided on the body, a second fixing hole corresponding to the first fixing hole is provided on the base, and the first fixing member can be inserted between the first fixing hole and the second fixing hole to fix the base to the body.

As an alternative, the battery panel further includes a low voltage interface connected to the low voltage signal connector at least partially through the through hole, and a heating interface connected to the heating connector at least partially through the through hole.

As an alternative, the high-voltage signal connector comprises an upper cover and a lower cover, and the upper cover and the lower cover are connected in a buckling mode.

As an alternative, the high-voltage signal connector further includes a terminal and a wire, the terminal is disposed inside the upper cover and the lower cover, the terminal is connected with the lower cover, the wire is inserted through the upper cover and the lower cover, and one end of the wire is connected to the terminal.

As an alternative, the high-voltage signal connector further comprises a second fixing piece, a first round hole is formed in the terminal, a cylinder is arranged on the inner side of the lower cover, a second round hole corresponding to the first round hole is formed in the cylinder, and the second fixing piece can penetrate through the first round hole and is fixedly connected with the second round hole.

As an alternative, the high-voltage signal connector further includes a nut that passes through the wire and screw-connects the upper cover and the lower cover.

Another object of the utility model is to provide a battery package practices thrift the cost for battery package simple structure, equipment are miniaturized, for reaching this purpose, the utility model discloses a following technical scheme:

a second aspect of the present invention provides a battery pack, which includes the battery panel as described above.

The beneficial effects of the utility model reside in that: the battery panel provided by the utility model has simple structure and easy processing, and the low-voltage signal connector, the heating connector and the high-voltage interface are integrally molded on the base in an injection molding way, so that the structure of the battery panel is more compact and simpler, the space occupied by the battery panel is further reduced, and the battery panel is more miniaturized; meanwhile, the number of parts such as bolts and screws is reduced, so that the cost is saved, the working efficiency of processing and assembling is improved, and the mass production operation is facilitated.

The utility model provides a battery pack's simple structure, easily operation, shared space are small. Each spare part need not seal alone, and then improves the sealing performance of battery package, practices thrift the cost, and first mounting and second mounting on this battery package are small in quantity, are favorable to improving processing operation efficiency, practice thrift the cost.

Drawings

Fig. 1 is a schematic structural diagram of a battery panel according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a base according to an embodiment of the present invention;

fig. 3 is a schematic structural diagram of a high-voltage signal connector according to an embodiment of the present invention.

Reference numerals:

1. a body; 11. a through hole; 12. a first fixing hole; 13. flanging;

2. a base; 21. a low voltage signal connector; 22. heating the connector; 23. a high-voltage interface; 24. a first seal ring; 25. a second seal ring; 26. a second fixing hole;

3. a high voltage signal connector; 31. an upper cover; 32. a lower cover; 33. a terminal; 331. a first circular hole; 34. a wire; 35. a cylinder; 351. a second circular hole; 36. a nut;

4. a low-voltage interface; 5. and heating the interface.

Detailed Description

In order to make the technical problem solved by the present invention, the technical solution adopted by the present invention and the technical effect achieved by the present invention clearer, the technical solution of the present invention will be further explained by combining the drawings and by means of the specific implementation manner.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, detachably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "left", "right", and the like are used in the orientation or positional relationship shown in the drawings only for convenience of description and simplicity of operation, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.

As shown in fig. 1, the present embodiment provides a battery panel, which is installed on a battery pack and mainly includes: body 1, base 2 and high-voltage signal connector 3. The body 1 is provided with a through hole 11. The base 2 is connected with the body 1, and the base 2 is provided with a low-voltage signal connector 21, a heating connector 22 and a high-voltage interface 23. The high-voltage interface 23 is connected to the high-voltage signal connector 3 at least partially through the through hole 11.

Further, in the present embodiment, the battery panel further includes a low voltage interface 4 and a heating interface 5. The low-voltage signal connector 21 and the heating connector 22 on the base 2 can pass at least partially through the through hole 11 and are connected to the low-voltage interface 4 and the heating interface 5, respectively. The low-voltage interface 4 and the heating interface 5 can be connected with other external detection elements to realize energy transfer and information interaction between the battery packs. High-voltage interface 23 is connected with high-voltage signal connector 3, and then strengthens the steadiness that high-voltage signal connector 3 and body 1 are connected for battery panel compact structure, device are miniaturized, and then practice thrift battery panel's space, make battery panel structure simpler and easier.

Preferably, the base 2, the low-voltage signal connector 21, the heating connector 22 and the high-voltage interface 23 are integrally injection-molded, so that the processing steps of parts can be reduced, the connection stability of the low-voltage signal connector 21 and the heating connector 22 is improved, the use of fixing parts such as screws is reduced, the cost is saved, and the assembly efficiency is improved. In the present embodiment, it is preferable to set the two bases 2, the high-voltage signal connectors 3, the low-voltage signal connectors 21, the heating connector 22, and the high-voltage interface 23, and the two bases 2, the two high-voltage signal connectors 3 are respectively arranged symmetrically with respect to the central axis of the body 1, which can improve the efficiency of energy and information transfer between the battery packs. Of course, the user can flexibly set the number of the base 2 and the high voltage signal connectors 3 according to actual needs, and the detailed description is omitted here.

Compared with the prior art, the battery panel that this embodiment provided simple structure, easily processing through integrative injection moulding low pressure signal connector 21, heating connector 22 and high pressure interface 23 on base 2 for battery panel's structure is compacter, simple and easy, and then reduces the shared space of battery panel, makes the battery panel more miniaturized. Meanwhile, the number of parts such as bolts and screws is reduced, so that the cost is saved, the working efficiency of processing and assembling is improved, and the mass production operation is facilitated.

As shown in fig. 1 and 2, in the present embodiment, the base 2 is provided with a first seal ring 24 and a second seal ring 25, and the first seal ring 24 is located outside the second seal ring 25. The first sealing ring 24 and the second sealing ring 25 are both partially embedded on the base 2, and the inner diameter of the second sealing ring 25 is smaller than that of the first sealing ring 24, so that the installation of the first sealing ring 24 and the second sealing ring 25 is facilitated. The first sealing ring 24 and the second sealing ring 25 can improve the sealing performance of the joint of the base 2 and the body 1, and avoid the risk of short circuit of each element caused by external water vapor or dust entering the base 2.

Referring to fig. 1 and fig. 2, in the present embodiment, the battery panel includes a first fixing member (not shown), the main body 1 is provided with a first fixing hole 12, the base 2 is provided with a second fixing hole 26 corresponding to the first fixing hole 12, and the first fixing member can be inserted between the first fixing hole 12 and the second fixing hole 26 to fix the base 2 to the main body 1.

Further, first fixed orifices 12 and second fixed orifices 26 one-to-one set up, in order to prevent that base 2 from receiving stress concentration, preferably, second fixed orifices 26 equipartition is in base 2's week side, when first mounting passes first fixed orifices 12 and is connected with second fixed orifices 26 like this, can make base 2 and first mounting atress more even, and then improve base 2 and body 1 and be connected's stability and reliability. In this embodiment, the first fixing member may be a screw, a bolt, or the like, as long as the fixing and connecting function can be achieved, which is not described herein again.

As shown in fig. 3, in the present embodiment, the high-voltage signal connector 3 includes an upper cover 31 and a lower cover 32, and the upper cover 31 and the lower cover 32 are connected in a snap-fit manner, so that when the high-voltage signal connector 3 fails, the user can detach the upper cover 31 and the lower cover 32, and the work efficiency is improved. The high-voltage signal connector 3 further includes a terminal 33 and a wire 34, the terminal 33 is disposed inside the upper cover 31 and the lower cover 32, the terminal 33 is connected with the lower cover 32, the wire 34 is inserted through the upper cover 31 and the lower cover 32, and one end of the wire 34 is connected to the terminal 33.

Further, the upper cover 31 and the lower cover 32 are connected by snap fit to form a receiving cavity in which a portion of the lead 34 and the terminal 33 can be received. The terminal 33 can play a role of fixed connection to the wire 34, and prevent the wire 34 from shifting in the high-voltage signal connector 3, thereby improving the stability of the terminal 33 and the wire 34. In this embodiment, the lower cover 32 is provided with an opening, one end of the terminal 33 is disposed at the opening, and the high-voltage interface 23 on the base 2 can penetrate through the opening to be connected with the terminal 33, so that a high-voltage electrical signal can be transmitted to the high-voltage signal connector 3 through the base 2.

As shown in fig. 3, in the present embodiment, the high-voltage signal connector 3 further includes a second fixing member (not shown), the terminal 33 is provided with a first circular hole 331, the inner side of the lower cover 32 is provided with a column 35, the column 35 is provided with a second circular hole 351 corresponding to the first circular hole 331, and the second fixing member can pass through the first circular hole 331 and is fixedly connected to the second circular hole 351. This can further improve the stability of the connection of the terminal 33 and the lower cover 32. It should be noted that the cylinder 35 may be configured to be a cylinder, a prism, or the like, as long as it is ensured that the first circular hole 331 and the second circular hole 351 correspond to each other one by one, and the second fixing member may be a screw, a bolt, or other parts, as long as it is ensured that the fixing and the connecting functions are achieved, which is not described herein again.

With continued reference to fig. 3, in the present embodiment, the high-voltage signal connector 3 further includes a nut 36, and the nut 36 passes through the wire 34 and is screwed to connect the upper cover 31 and the lower cover 32, so as to further improve the stability of the connection between the upper cover 31 and the lower cover 32 and prevent the battery panel from loosening or even separating from the upper cover 31 and the lower cover 32 during the use process.

Illustratively, the nut 36 is internally provided with internal threads, the ends of the upper cover 31 and the lower cover 32 are provided with external threads, and the nut 36 passes through the lead 34 to enable the internal threads and the external threads to be matched and connected through screwing, so that stable connection between the nut 36 and the upper cover 31 and the lower cover 32 is realized. In addition, the user can also set a snap on the outer side of the upper cover 31 and the outer side of the lower cover 32, and further fix the upper cover 31 and the lower cover 32 by means of snap connection.

The utility model discloses the second aspect provides a battery package, and this battery package includes above-mentioned battery panel. In this embodiment, the battery panel is buckled with the battery pack through the turned-over edge 13, so that the battery pack has a simple structure, is easy to operate and occupies a small space. Each spare part need not seal alone, and then improves the sealing performance of battery package, practices thrift the cost, and first mounting and second mounting on this battery package are small in quantity, are favorable to improving processing operation efficiency, practice thrift the cost.

The above description is only for the preferred embodiment of the present invention, and for those skilled in the art, there are variations on the detailed description and the application scope according to the idea of the present invention, and the content of the description should not be construed as a limitation to the present invention.

Claims

1. A battery panel, installed on a battery pack, comprising:

the device comprises a body (1), wherein a through hole (11) is formed in the body (1);

the base (2), the base (2) is connected with the body (1), and the base (2) is provided with a low-voltage signal connector (21), a heating connector (22) and a high-voltage interface (23);

the high-voltage signal connector (3), the high-voltage interface (23) at least partially passes through the through hole (11) and is connected with the high-voltage signal connector (3).

2. The battery panel according to claim 1, wherein the base (2), the low-voltage signal connector (21), the heating connector (22), and the high-voltage interface (23) are integrally injection-molded.

3. The battery panel according to claim 2, wherein the base (2) is provided with a first sealing ring (24) and a second sealing ring (25), the first sealing ring (24) being located outside the second sealing ring (25).

4. The battery panel according to claim 3, wherein the battery panel comprises a first fixing member, the body (1) is provided with a first fixing hole (12), the base (2) is provided with a second fixing hole (26) corresponding to the first fixing hole (12), and the first fixing member can be inserted between the first fixing hole (12) and the second fixing hole (26) to fix the base (2) to the body (1).

5. The battery panel according to claim 1, characterized in that it further comprises a low voltage interface (4) and a heating interface (5), the low voltage interface (4) being connected to the low voltage signal connector (21) at least partially through the through hole (11), the heating interface (5) being connected to the heating connector (22) at least partially through the through hole (11).

6. The battery panel according to claim 1, wherein the high-voltage signal connector (3) comprises an upper cover (31) and a lower cover (32), and the upper cover (31) and the lower cover (32) are snap-fit connected.

7. The battery panel according to claim 6, wherein the high-voltage signal connector (3) further comprises a terminal (33) and a wire (34), the terminal (33) is provided inside the upper cover (31) and the lower cover (32), the terminal (33) is connected with the lower cover (32), the wire (34) is inserted through the upper cover (31) and the lower cover (32), and one end of the wire (34) is connected to the terminal (33).

8. The battery panel according to claim 7, wherein the high voltage signal connector (3) further comprises a second fixing member, the terminal (33) has a first circular hole (331), the lower cover (32) has a cylinder (35) disposed inside, and the cylinder (35) has a second circular hole (351) corresponding to the first circular hole (331), and the second fixing member can pass through the first circular hole (331) and is fixed to the second circular hole (351).

9. The battery panel according to claim 8, wherein the high-voltage signal connector (3) further comprises a nut (36), and the nut (36) passes through the lead wire (34) and screw-connects the upper cover (31) and the lower cover (32).

10. A battery pack, characterized in that the battery pack comprises a battery panel according to any one of claims 1-9.