CN211376731U

CN211376731U - Battery box

Info

Publication number: CN211376731U
Application number: CN201922491379.1U
Authority: CN
Inventors: 申江龙; 王宁宁; 胡庆书; 李鑫娟; 李璟; 宿斌; 张少杨
Original assignee: Yinlong New Energy Co Ltd
Current assignee: Yinlong New Energy Co Ltd
Priority date: 2019-12-30
Filing date: 2019-12-30
Publication date: 2020-08-28
Anticipated expiration: 2029-12-30

Abstract

The utility model provides a battery box, which comprises a box body, a cooling part, a plurality of battery modules, a limiting part, a fire-fighting structure and a top cover, wherein the box body is provided with an accommodating cavity; at least one part of the cooling part is arranged at the bottom of the accommodating cavity, and a channel for circulating liquid is arranged in the cooling part; the plurality of battery modules are arranged in the accommodating cavity, and the bottom of each battery module is contacted with the cooling part; the upper part of the limiting part is in limiting fit with the upper part of at least one battery module, the lower part of the limiting part is connected with the box body, the limiting parts are multiple, and the limiting parts are distributed in the accommodating cavity; the fire fighting structure is arranged in the accommodating cavity; the top cover is connected with the box body to cover the opening of the accommodating cavity. By adopting the scheme, the plurality of battery modules can be pressed in the box body through the plurality of limiting parts, so that the plurality of battery modules can be fixed through a simple structure. Moreover, the battery box can be guaranteed to run reliably for a long time through the cooling part and the fire fighting structure, and reliability and safety are improved.

Description

Battery box

Technical Field

The utility model relates to a battery box technical field particularly, relates to a battery box.

Background

In order to increase the capacity of the battery box, a plurality of battery modules are generally disposed in the box body of the battery box, and in order to ensure reliability, the battery modules need to be fixed at certain positions in the box body. The current structure of fixing battery module is more complicated, leads to battery box cost higher.

Disclosure of Invention

The utility model provides a battery box to battery module in to the battery box is fixed.

In order to achieve the above object, the utility model provides a battery box, include: a case having a receiving cavity; a cooling part, at least a part of which is arranged at the bottom of the accommodating cavity, wherein a channel for circulating liquid is arranged in the cooling part; the battery modules are arranged in the accommodating cavity, and the bottom of each battery module is in contact with the cooling part; the upper part of the limiting part is in limiting fit with the upper part of at least one battery module, the lower part of the limiting part is connected with the box body, the limiting parts are multiple, and the limiting parts are distributed in the accommodating cavity; a fire-fighting structure disposed within the containment chamber; and the top cover is connected with the box body to cover the opening of the accommodating cavity.

Further, the cooling portion includes a cooling plate and a cooling pipe disposed in the cooling plate, the cooling pipe is used for circulating liquid, the cooling plate is located at the bottom of the accommodating cavity, and the bottom of each battery module is in contact with the cooling plate.

Furthermore, the cooling plate is distributed with a curved groove, the cooling pipe is arranged in the groove, the cooling pipe extends along the groove, the cooling part further comprises a joint, the joint is arranged at the end part of the cooling pipe, and at least one part of the joint is positioned outside the box body.

Further, the spacing portion includes: a pressing block pressing an upper portion of at least one of the battery modules; the upper end of the connecting rod is connected with the pressing block, and the lower end of the connecting rod is connected with the bottom wall of the box body.

Further, the pressing block is provided with a limiting step, the limiting step is in limiting fit with the edge of the battery module, and the pressing block is made of an insulating material.

Further, the connecting rod includes the body of rod and sets up spacing cap in the upper end of the body of rod, the body of rod passes the briquetting, spacing cap pressure is in on the briquetting, spacing portion still includes the spliced pole, the spliced pole is fixed on the diapire of box, the body of rod with spliced pole threaded connection.

Further, fire control structure sets up top cap and a plurality of between the battery module, fire control structure includes the fire control pipe and sets up fire extinguishing agent in the fire control pipe, under the preset condition, fire extinguishing agent blowout in the fire control pipe.

Further, fire control structure still includes thermodetector, thermodetector sets up on the fire control pipe, the temperature that holds the intracavity reaches the default or under the condition that the fire control pipe breaks, the fire extinguishing agent blowout in the fire control pipe.

Further, have a plurality of strengthening grooves of interval setting on the top cap, the box with the top cap passes through a plurality of fasteners and connects, the battery box still includes: the sealing gasket is arranged at the joint of the box body and the top cover.

Further, the battery box still includes: the battery management module is arranged in the accommodating cavity; the plurality of copper bars are distributed on the plurality of battery modules; the handle is arranged on the box body.

The technical scheme of the utility model provides a battery box, which comprises a box body, a cooling part, a plurality of battery modules, a limiting part, a fire-fighting structure and a top cover, wherein the box body is provided with an accommodating cavity; at least one part of the cooling part is arranged at the bottom of the accommodating cavity, and a channel for circulating liquid is arranged in the cooling part; the plurality of battery modules are arranged in the accommodating cavity, and the bottom of each battery module is contacted with the cooling part; the upper part of the limiting part is in limiting fit with the upper part of at least one battery module, the lower part of the limiting part is connected with the box body, the limiting parts are multiple, and the limiting parts are distributed in the accommodating cavity; the fire fighting structure is arranged in the accommodating cavity; the top cover is connected with the box body to cover the opening of the accommodating cavity. By adopting the scheme, the plurality of battery modules can be pressed in the box body through the plurality of limiting parts, so that the plurality of battery modules can be fixed through a simple structure. Moreover, the battery box can be guaranteed to run reliably for a long time through the cooling part and the fire fighting structure, and reliability and safety are improved.

Drawings

The accompanying drawings, which form a part of the present application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 shows a schematic structural diagram of a battery box provided by an embodiment of the present invention;

fig. 2 shows a schematic view of the internal arrangement of the battery box in fig. 1;

fig. 3 shows an exploded view of the battery box of fig. 1;

fig. 4 is a schematic view illustrating the engagement of the stopper portion with the battery module in fig. 3.

Wherein the figures include the following reference numerals:

10. a box body; 20. a cooling section; 21. a cooling plate; 22. a joint; 23. a cooling tube; 31. a battery module; 32. a gasket; 33. a battery management module; 34. copper bars; 35. a handle; 40. a limiting part; 41. briquetting; 42. a connecting rod; 43. connecting columns; 50. a fire-fighting structure; 51. a fire hose; 52. a temperature detector; 60. a top cover; 61. and a reinforcing groove.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

As shown in the drawings, embodiments of the present invention provide a battery box, including: a case 10, the case 10 having a receiving cavity; a cooling part 20, at least a part of the cooling part 20 is arranged at the bottom of the accommodating cavity, and a channel for flowing liquid is arranged in the cooling part 20; a plurality of battery modules 31, the plurality of battery modules 31 being arranged in the accommodation chamber, a bottom of each battery module 31 being in contact with the cooling portion 20; the upper part of the limiting part 40 is in limiting fit with the upper part of at least one battery module 31, the lower part of the limiting part 40 is connected with the box body 10, the limiting parts 40 are multiple, and the limiting parts 40 are distributed in the accommodating cavity; the fire fighting structure 50, the fire fighting structure 50 is arranged in the accommodating cavity; and a top cover 60, the top cover 60 being connected to the cabinet 10 to cover the opening of the receiving chamber.

By applying the technical scheme of the utility model, a battery box is provided, the battery box comprises a box body 10, a cooling part 20, a plurality of battery modules 31, a limiting part 40, a fire-fighting structure 50 and a top cover 60, wherein the box body 10 is provided with an accommodating cavity; at least a part of the cooling part 20 is arranged at the bottom of the accommodating cavity, and the cooling part 20 is internally provided with a channel for circulating liquid; a plurality of battery modules 31 are arranged in the accommodation chamber, and the bottom of each battery module 31 is in contact with the cooling portion 20; the upper part of the limiting part 40 is in limiting fit with the upper part of at least one battery module 31, the lower part of the limiting part 40 is connected with the box body 10, the limiting parts 40 are multiple, and the limiting parts 40 are distributed in the accommodating cavity; the fire-fighting structure 50 is disposed within the receiving cavity; the top cover 60 is connected to the casing 10 to cover the opening of the receiving chamber. With the above configuration, the plurality of battery modules 31 can be pressed into the case 10 by the plurality of stopper portions 40, and thus the plurality of battery modules 31 can be fixed with a simple structure. Moreover, the battery box can be ensured to operate reliably for a long time through the cooling part 20 and the fire fighting structure 50, and reliability and safety are improved.

In the present embodiment, the cooling portion 20 includes a cooling plate 21 and a cooling pipe 23 provided in the cooling plate 21, the cooling pipe 23 is used for circulating a liquid, the cooling plate 21 is located at the bottom of the accommodating chamber, and the bottom of each battery module 31 is in contact with the cooling plate 21. This allows the heat generated from the battery module 31 to be absorbed by the cooling plate 21 and then carried away by the liquid in the cooling pipe 23. The battery box has a good cooling effect, and reliable operation of the battery box is guaranteed.

In this embodiment, the cooling plate 21 has a curved groove distributed thereon, the cooling tube 23 is disposed in the groove, the cooling tube 23 extends along the groove, the cooling portion 20 further includes a joint 22, the joint 22 is disposed at an end of the cooling tube 23, and at least a portion of the joint 22 is located outside the box body 10. Through the arrangement, the heat exchange area can be increased, and the cooling effect is improved. Moreover, the connector 22 is convenient for connecting with a water pump and the like.

In the present embodiment, the stopper portion 40 includes: a pressing block 41, the pressing block 41 pressing an upper portion of at least one battery module 31; and the upper end of the connecting rod 42 is connected with the pressing block 41, and the lower end of the connecting rod 42 is connected with the bottom wall of the box body 10. Thus, one or more battery modules 31 may be pressed by the pressing block 41, and then the pressing block 41 may be fixed by the connection rod 42, thereby securely fixing the plurality of battery modules 31 in the case 10. This way is easy to assemble and highly reliable.

Specifically, the pressing block 41 has a limit step, the limit step is in limit fit with the edge of the battery module 31, and the pressing block 41 is made of an insulating material. Through the spacing cooperation in the border of spacing step and battery module 31, can improve briquetting 41 and carry out spacing reliability to battery module 31.

In this embodiment, the connecting rod 42 includes the body of rod and the spacing cap that sets up in the upper end of the body of rod, and the body of rod passes briquetting 41, and spacing cap presses on briquetting 41, and spacing portion 40 still includes spliced pole 43, and spliced pole 43 is fixed on the diapire of box 10, and the body of rod and spliced pole 43 threaded connection. The reliable connection of the battery module 31, the pressing block 41, the connecting rod 42, the connecting column 43 and the box body 10 is realized through the above arrangement, and the connection and the disassembly are convenient.

In the present embodiment, the fire fighting structure 50 is disposed between the top cover 60 and the plurality of battery modules 31, the fire fighting structure 50 includes a fire fighting pipe 51 and a fire extinguishing agent disposed in the fire fighting pipe 51, and the fire extinguishing agent in the fire fighting pipe 51 is sprayed under a preset condition. Through the arrangement, the fire can be timely extinguished when the battery module 31 is in a fire, so that danger is avoided. Moreover, by adopting the arrangement, the occupied space of the fire fighting structure 50 can be reduced, and the fire fighting function can be realized in a compact space.

In this embodiment, the fire fighting structure 50 further includes a temperature detector 52, the temperature detector 52 is disposed on the fire fighting pipe 51, and the fire extinguishing agent in the fire fighting pipe 51 is sprayed out in case the temperature in the accommodating chamber reaches a preset value or the fire fighting pipe 51 is broken. The temperature inside the containing chamber can be detected in real time by the temperature detector 52, so that the fire fighting pipe 51 can be broken by the control structure when the temperature reaches a preset value. For example, the control structure includes a controller and a valve provided on the fire hose 51, and the controller may control the valve to be opened or closed. Or when the temperature in the accommodating chamber is high, the fire fighting pipe 51 is broken due to high temperature, and the fire extinguishing agent in the fire fighting pipe 51 is automatically sprayed out to extinguish fire.

In this embodiment, the top cover 60 has a plurality of reinforcing grooves 61 disposed at intervals, the case body 10 and the top cover 60 are connected by a plurality of fasteners, and the battery box further includes: and a gasket 32, the gasket 32 being provided at the junction of the tank 10 and the top cover 60. The sealing performance of the battery case can be improved by the gasket 32. The strength and deformation resistance of the top cover 60 can be improved by the reinforcing grooves 61.

In this embodiment, the battery box further includes: a battery management module 33 disposed within the receiving cavity; a plurality of copper bars 34 distributed on the plurality of battery modules 31; and a handle 35 provided on the case 10. Can manage a plurality of battery module 31 through battery management module 33, be convenient for realize being connected with being connected of a plurality of battery module 31 through a plurality of copper bars 34. Through setting up handle 35, be convenient for transportation and push-and-pull battery box. The battery box further includes a high voltage connector and a fuse, which facilitate connection with an external high voltage line and can improve safety.

Optionally, a plurality of lithium titanate cells are arranged in each battery module 31 to improve the performance of the battery box.

By adopting the scheme, the battery box comprises a box body 10, a cooling part 20, a plurality of battery modules 31, a limiting part 40, a fire-fighting structure 50 and a top cover 60, wherein the box body 10 is provided with an accommodating cavity; at least a part of the cooling part 20 is arranged at the bottom of the accommodating cavity, and the cooling part 20 is internally provided with a channel for circulating liquid; a plurality of battery modules 31 are arranged in the accommodation chamber, and the bottom of each battery module 31 is in contact with the cooling portion 20; the upper part of the limiting part 40 is in limiting fit with the upper part of at least one battery module 31, the lower part of the limiting part 40 is connected with the box body 10, the limiting parts 40 are multiple, and the limiting parts 40 are distributed in the accommodating cavity; the fire-fighting structure 50 is disposed within the receiving cavity; the top cover 60 is connected to the casing 10 to cover the opening of the receiving chamber. With the above configuration, the plurality of battery modules 31 can be pressed into the case 10 by the plurality of stopper portions 40, and thus the plurality of battery modules 31 can be fixed with a simple structure. Moreover, the battery box can be ensured to operate reliably for a long time through the cooling part 20 and the fire fighting structure 50, and reliability and safety are improved.

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.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

Unless specifically stated otherwise, the relative arrangement of the components and steps, the numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present invention. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values. 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, further discussion thereof is not required in subsequent figures.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the orientation words such as "front, back, up, down, left, right", "horizontal, vertical, horizontal" and "top, bottom" etc. are usually based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of description, and in the case of not making a contrary explanation, these orientation words do not indicate and imply that the device or element referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore, should not be interpreted as limiting the scope of the present invention; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.

Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

It should be noted that the terms "first", "second", and the like are used to define the components, and are only used for convenience of distinguishing the corresponding components, and if not stated otherwise, the terms have no special meaning, and therefore, the scope of the present invention should not be construed as being limited.

Claims

1. A battery box, comprising:

a box body (10), wherein the box body (10) is provided with a containing cavity;

a cooling part (20), at least a part of the cooling part (20) is arranged at the bottom of the accommodating cavity, and a channel for circulating liquid is arranged in the cooling part (20);

a plurality of battery modules (31), wherein the battery modules (31) are arranged in the accommodating cavity, and the bottom of each battery module (31) is in contact with the cooling part (20);

the upper part of the limiting part (40) is in limiting fit with the upper part of at least one battery module (31), the lower part of the limiting part (40) is connected with the box body (10), the limiting parts (40) are multiple, and the limiting parts (40) are distributed in the accommodating cavity;

a fire-fighting structure (50), the fire-fighting structure (50) being disposed within the receiving cavity;

a top cover (60), wherein the top cover (60) is connected with the box body (10) to cover the opening of the accommodating cavity.

2. The battery box according to claim 1, wherein the cooling portion (20) includes a cooling plate (21) and a cooling pipe (23) provided in the cooling plate (21), the cooling pipe (23) being for circulating a liquid, the cooling plate (21) being located at a bottom of the accommodation chamber, a bottom of each of the battery modules (31) being in contact with the cooling plate (21).

3. The battery box according to claim 2, wherein the cooling plate (21) is distributed with a curved groove, the cooling pipe (23) is disposed in the groove, the cooling pipe (23) extends along the groove, the cooling part (20) further comprises a joint (22), the joint (22) is disposed at an end of the cooling pipe (23), and at least a part of the joint (22) is located outside the box body (10).

4. The battery box according to claim 1, wherein the stopper portion (40) includes:

a pressing block (41), wherein the pressing block (41) presses the upper part of at least one battery module (31);

the upper end of the connecting rod (42) is connected with the pressing block (41), and the lower end of the connecting rod (42) is connected with the bottom wall of the box body (10).

5. The battery box according to claim 4, characterized in that the pressing block (41) has a limit step which is in limit fit with the edge of the battery module (31), and the pressing block (41) is made of an insulating material.

6. The battery box according to claim 4, characterized in that the connecting rod (42) comprises a rod body and a limiting cap arranged at the upper end of the rod body, the rod body passes through the pressing block (41), the limiting cap presses on the pressing block (41), the limiting part (40) further comprises a connecting column (43), the connecting column (43) is fixed on the bottom wall of the box body (10), and the rod body is in threaded connection with the connecting column (43).

7. The battery box according to claim 1, characterized in that the fire protection structure (50) is disposed between the top cover (60) and the plurality of battery modules (31), the fire protection structure (50) comprising a fire hose (51) and a fire extinguishing agent disposed within the fire hose (51), the fire extinguishing agent within the fire hose (51) being sprayed out under a preset condition.

8. The battery box according to claim 7, characterized in that the fire fighting structure (50) further comprises a temperature detector (52), the temperature detector (52) being arranged on the fire fighting pipe (51), the fire extinguishing agent in the fire fighting pipe (51) being sprayed out in case the temperature in the containing chamber reaches a preset value or the fire fighting pipe (51) breaks.

9. The battery box according to claim 1, wherein the top cover (60) has a plurality of reinforcement grooves (61) spaced apart from each other, the box body (10) and the top cover (60) are connected by a plurality of fasteners, and the battery box further comprises:

a gasket (32), wherein the gasket (32) is arranged at the joint of the box body (10) and the top cover (60).

10. The battery box of claim 1, further comprising:

a battery management module (33) disposed within the receiving cavity;

the plurality of copper bars (34) are distributed on the plurality of battery modules (31);

a handle (35) provided on the case (10).