CN108389996B

CN108389996B - Battery box

Info

Publication number: CN108389996B
Application number: CN201810393818.2A
Authority: CN
Inventors: 胡庆书; 严世杰; 宿斌
Original assignee: Yinlong New Energy Co Ltd
Current assignee: Yinlong New Energy Co Ltd
Priority date: 2018-04-27
Filing date: 2018-04-27
Publication date: 2023-11-10
Anticipated expiration: 2038-04-27
Also published as: CN108389996A

Abstract

The application provides a battery box, which comprises a box body and a battery, wherein a first mounting structure is arranged on the box body, the battery box further comprises a mounting part, the battery is connected with the mounting part, a second mounting structure is arranged on the mounting part, and the first mounting structure and the second mounting structure are matched in a clamping and/or inserting manner so as to fixedly mount the battery in the box body. The battery box is provided with the first mounting structure and the second mounting structure, and the first mounting structure and the second mounting structure are mounted in the battery box in a clamping and/or inserting manner, so that the battery box is high in mounting reliability, has the advantage of convenience in mounting and dismounting, and is suitable for large-scale popularization and use.

Description

Battery box

Technical Field

The application relates to the technical field of batteries, in particular to a battery box.

Background

The battery box is a main energy supply unit of the electric vehicle, and a plurality of single batteries are connected in series or in parallel and are placed in the box body. Because the working environment of the battery box is relatively complex, the battery box needs to have functions of insulation, water resistance, dust resistance and the like. Meanwhile, the battery box can be applied to the field of energy storage peak regulation and frequency modulation, the energy storage field has higher requirements on the use reliability of the battery box, but the requirements on the waterproof performance of the battery box are relatively weaker.

In the existing battery box, the battery is fixed in the battery box through the structure such as the mounting bracket and the like by using the fastener, the fixing mode is complex, and time and labor are wasted in the processing and assembling processes.

The patent with the application number of 201710686611.X discloses a connection structure of a battery pack box body and a single lithium battery, which comprises a battery support, an insulating plate and a battery tray, wherein the two insulating plates are fixed through bolts, the steps are more in the assembling and installing processes, the structure of the whole battery box is complex, and the battery box is inconvenient to assemble and disassemble.

Disclosure of Invention

Accordingly, one of the objects of the present application is to provide a battery box with simple mounting structure, good mounting reliability and easy disassembly.

In order to achieve the above purpose, on one hand, the present application adopts the following technical scheme:

the utility model provides a battery box, includes box and battery, be provided with first mounting structure on the box, the battery box still includes the installation department, the battery with the installation department links to each other, be provided with second mounting structure on the installation department, first mounting structure with second mounting structure passes through the mode cooperation of joint and/or grafting, in order will battery fixed mounting is in inside the box.

Preferably, the case includes a side plate,

the first mounting structure comprises mounting holes and/or mounting grooves arranged on the side plates, and the second mounting structure comprises mounting protrusions which are arranged on the mounting parts in a protruding mode and correspond to the mounting holes and/or the mounting grooves;

or, the second mounting structure comprises a mounting hole and/or a mounting groove arranged on the mounting part, and the first mounting structure comprises a mounting protrusion which is arranged on the side plate in a protruding manner and corresponds to the mounting hole and/or the mounting groove.

Preferably, the mounting part comprises a first mounting part and a second mounting part, the battery is clamped between the first mounting part and the second mounting part, and the first mounting part and the second mounting part are respectively provided with the second mounting structure.

Preferably, a limiting structure is arranged on the first mounting piece and/or the second mounting piece and used for limiting the battery.

Preferably, the limit structure comprises a stepped hole, and the positive end and/or the negative end of the battery is/are abutted against a step surface of the stepped hole.

Preferably, the first mounting member and/or the second mounting plate comprises a plate-like structure, the second mounting structure being arranged at an edge of the plate-like structure.

Preferably, the battery box further includes an air flow driving part located between the first mount and the second mount in a height direction of the battery.

Preferably, the first mounting member and/or the second mounting member are each provided with a vent hole, and the size of the vent hole in the height direction of the battery becomes gradually larger from an end close to the airflow driving member to an end distant from the airflow driving member.

Preferably, the battery box further comprises a conductive connecting piece, a guide core mounting hole is formed in the conductive connecting piece, the guide core mounting hole is sleeved outside the guide core protruding out of the positive end of the battery, and the size of the guide core mounting hole gradually increases from one end close to the positive end of the battery to one end far away from the positive end of the battery.

Preferably, the case includes a side plate on which a vent is provided, the vent being provided at a position higher than the first mount and/or lower than the second mount.

Preferably, the vent is located higher than or flush with the conductive connector.

Preferably, the mounting portion and/or the case are made of an insulating material.

The battery box is provided with the first mounting structure and the second mounting structure, and the first mounting structure and the second mounting structure are mounted in the battery box in a clamping and/or inserting manner, so that the battery box is high in mounting reliability, has the advantage of convenience in mounting and dismounting, and is suitable for large-scale popularization and use.

Drawings

The above and other objects, features and advantages of the present application will become more apparent from the following description of embodiments of the present application with reference to the accompanying drawings, in which:

fig. 1 is a schematic view showing the overall structure of a battery box according to an embodiment of the present application;

fig. 2 is a schematic view showing an internal structure of a battery box according to an embodiment of the present application;

fig. 3 is a schematic view showing an external structure of a battery box according to an embodiment of the present application;

FIG. 4 illustrates a perspective view of a first side panel provided in accordance with an embodiment of the present application;

FIG. 5 illustrates a perspective view of a second side panel provided in accordance with an embodiment of the present application;

FIG. 6 illustrates a perspective view of a first mount provided in accordance with an embodiment of the present application;

fig. 7 illustrates a front view of a first conductive connector provided in an embodiment of the present application.

In the drawing the view of the figure,

1. a case; 11. a bottom plate; 12. a side plate; 121. a first side plate; 122. a second side plate; 123. a vent; 13. a top plate;

2. a battery; 21. a guide core; 22. a positive electrode end portion;

3. a first mounting structure; 31. a mounting groove; 311. a through groove;

4. a mounting part; 41. a first mounting member; 42. a second mounting member; 43. wiring grooves; 44. a limit structure; 441. a step hole; 45. a vent hole;

5. a second mounting structure; 51. mounting the bulge; 511. installing rib plates;

6. an air flow driving part; 61. a fan;

7. a conductive connection; 71. a guide core mounting hole; 72. a first conductive connection; 73. a second conductive connection; 731. a mounting portion structure; 732. a conductive portion structure; 74. and (5) a notch.

Detailed Description

The present application is described below based on embodiments, and it will be understood by those of ordinary skill in the art that the drawings provided herein are for illustrative purposes and that the drawings are not necessarily drawn to scale.

Unless the context clearly requires otherwise, throughout the description and the claims, the words "comprise", "comprising", and the like are to be construed in an inclusive sense as opposed to an exclusive or exhaustive sense; that is, it is the meaning of "including but not limited to".

Description: the description of the directions of up, down, left, right, etc. in the present application is made with reference to the directions shown in fig. 1.

As shown in fig. 1 to 7, the present application provides a battery case including a case 1, in particular, as shown in fig. 1 to 3, the case 1 has a closed cubic structure, the case 1 includes a bottom plate 11, side plates 12, and a top plate 13, wherein the side plates 12 include a first side plate 121 and a second side plate 122, the width of the first side plate 121 is longer than the width of the second side plate 122, and the width direction is a distance between two first side plates 121 or two second side plates 122 disposed opposite to each other. The side plates 12, the bottom plate 11 and the top plate 13 are fixed using fasteners such as screws or bolts to secure the stability and reliability of the overall structure of the case. The battery box further comprises a plurality of single batteries 2 connected in series or in parallel, the connection mode of the batteries 2 can be different in combination modes according to different environments of the battery box, and the connection mode of the batteries 2 and the number of the batteries 2 can be changed. In order to fix the battery 2 safely, reliably and conveniently, as shown in fig. 4 and 5, a first mounting structure 3 is arranged on the box body, the battery box further comprises a mounting portion 4, the battery 2 is connected with the mounting portion 4, as shown in fig. 2 and 6, a second mounting structure 5 is arranged on the mounting portion 4, and the first mounting structure 3 is matched with the second mounting structure 5 in a clamping and/or inserting manner, so that the battery 2 is fixedly mounted inside the box body 1.

Further, as shown in fig. 1, 4 to 6, the first mounting structure 3 includes mounting holes (not shown) and/or mounting grooves 31 provided on the side plate 12, and the second mounting structure 5 includes mounting protrusions 51 provided on the mounting portion 4 in a protruding manner corresponding to the mounting holes and/or mounting grooves 31. Alternatively, the second mounting structure 5 includes mounting holes and/or mounting grooves provided on the mounting portion 4, and the first mounting structure 3 includes mounting protrusions (this solution is not shown in the figure) provided on the side plate 12 in a protruding manner and corresponding to the mounting holes and/or mounting grooves. In a preferred embodiment, the number of the mounting holes and/or the mounting grooves 31 may be plural, and the mounting holes and/or the mounting grooves 31 are arranged in a one-to-one correspondence with the mounting protrusions 51 so as to perform plugging and/or clamping at plural positions, thereby ensuring connection reliability between the first mounting structure 3 and the second mounting structure 5. In another alternative preferred embodiment, the mounting groove 31 is a through groove 311 provided on the inner side wall of the side plate 12, the through groove 311 extending in the width direction of the side plate 12. The depth of the through groove 311 extends in the thickness direction of the side plate 12. The mounting protrusion 51 may be a mounting rib 511 protruding from the mounting portion 4, the mounting rib 511 extending in the width direction of the side plate 12, or may be a plurality of mounting ribs (not shown) protruding from the mounting portion 4 and disposed at intervals. In the mounting, a part of the mounting rib 511 or the mounting rib may be inserted into one end of the through groove 311, and then slid in the extending direction of the through groove 311, so that the mounting rib 511 or the mounting rib is entirely inserted into the through groove 311. The installation rib plates 511 and the installation ribs may be aligned directly with the through grooves 311, and the installation rib plates 511 and the installation ribs may be locked into the through grooves 311 at one time.

Further, as shown in fig. 1 and 2, the mounting portion 4 includes a first mounting member 41 and a second mounting member 42, the battery 2 is sandwiched between the first mounting member 41 and the second mounting member 42, and the second mounting structure 5 is provided on each of the first mounting member 41 and the second mounting member 42. The first mounting 41 and/or the second mounting plate 42 comprise a plate-like structure, the second mounting structure 5 being arranged at an edge of the plate-like structure. As shown in fig. 1, 4, 5 and 6, the first mounting structure 41 includes a through slot 311 provided on an inner sidewall of the side plate 12, and the second mounting structure 5 includes a mounting rib 511 provided on the first mounting member 41 and the second mounting member 42 and extending outwardly from edges of the first mounting member 41 and the second mounting member 42. At the time of installation, the installation rib 511 is inserted or snapped into the through groove 311 to fix the first and second installation members 41 and 42 to the inner wall of the side plate 12, thereby fixing the battery 2 in the case 1. In addition, in order to facilitate routing of the wires inside the battery box, the first mounting member 41 and the second mounting member 42 are provided with routing grooves 43 or routing holes (not shown in the drawings).

Further, as shown in fig. 6, in combination with fig. 1, the first mounting member 41 and/or the second mounting member 42 are provided with a limiting structure 44 for limiting the battery 2. Preferably, the limiting structure 44 includes a stepped hole 441, and the positive electrode end 22 and/or the negative electrode end of the battery 2 is abutted against a stepped surface of the stepped hole 441, so that the battery 2 can be more stably limited between the first mounting member 41 and the second mounting member 42. By providing the stepped hole 441, an explosion-proof valve (not shown in the figure) at the positive electrode end 22 of the battery 2 can be avoided, and the use reliability of the battery box is ensured.

The battery box further includes an airflow driving part 6, and the airflow driving part 6 is located between the first mount 41 and the second mount 42 in the height direction of the battery 2. The air flow driving component 6 is used for exhausting air in the battery box to the outside of the box body 1 so as to take away heat in the battery box, so that the temperature in the battery box is not too high, and the use reliability of the battery box is ensured. Preferably, the airflow driving part 6 includes a fan 61. As shown in fig. 1, the first mounting member 41 and/or the second mounting member 42 are each provided with a vent hole 45, and the size of the vent hole 45 in the height direction of the battery 2 is gradually increased from one end close to the airflow driving member 6 to one end distant from the airflow driving member 6, for example, the vent hole 45 is a tapered hole. The vent hole 45 is provided, so that the air flow slowly flows from the side of the first mounting member 41 and the side of the second mounting member 42 away from the battery 2 to the battery 2, the air flow can exchange heat with the battery 2 effectively, the heat exchange efficiency is improved, and the heat exchange effect is ensured.

The battery box further comprises a conductive connecting piece 7, wherein a guide core mounting hole 71 is formed in the conductive connecting piece 7, the guide core mounting hole 71 is sleeved outside the guide core 21 protruding from the positive electrode end 22 of the battery 2, and the size of the guide core mounting hole 71 gradually increases from one end close to the positive electrode end 22 of the battery 2 to one end far away from the positive electrode end 22 of the battery 2, for example, the guide core mounting hole 71 is a conical hole. On the other hand, the guide core mounting hole 71 is provided in such a manner that the explosion-proof valve provided at the positive electrode end 22 of the battery 2 can be effectively avoided. On the other hand, the guide core 21 and the guide core mounting hole 71 are fixed together by bolts, and the structure of the guide core mounting hole 71 can facilitate the tightening of the bolts, so as to ensure the connection reliability between the guide core and the guide core.

Further, the conductive connecting member 7 includes a first conductive connecting member 72 for connecting two adjacent batteries 2 and a second conductive connecting member 73 for connecting the batteries 2 with an external device (not shown), wherein the second conductive connecting member 73 includes a mounting portion structure 731 connected with the conductive core 21 and a connecting portion structure 732 connected with the external device, and at least a portion of the connecting portion structure 732 extends outside the case 1 to be connected with the external device. Since the battery box has good waterproof performance, the position where the second conductive connecting member 73 contacts the top plate 13 of the box body 1 is coated with waterproof glue, so that water is prevented from entering the box body 1 through the connecting position. Preferably, the conductive connecting member 7 is made of an aluminum material having good conductive properties and corrosion resistance. Of course, it will be appreciated that the conductive connection 7 may also be made of copper material. In addition, a notch 74 is formed in the conductive connecting piece 7, and the notch 74 can be pasted to facilitate detection of working parameters such as current passing through the conductive connecting piece 7 by a detection device.

As shown in fig. 1, 4 and 5, in order to enable external air flow to enter the battery box and exchange heat with the structures in the battery box as much as possible, the side plates 12 are provided with air ports 123, and the number and the arrangement positions of the air ports 123 can be adjusted accordingly according to the arrangement mode of the structures in the battery box. Since the conductive connection member 7 is connected to the positive electrode end 22 of the battery 2, the conductive connection member 7 is easily over-heated, and even the temperature of the conductive connection member 7 exceeds the surface temperature of the battery 2, thereby affecting the use of the battery case. In order to cool the conductive connector 7, to ensure that the temperature of the conductive connector 7 is not too high, the air vent 123 is disposed at a position higher than the first mounting member 41 and/or lower than the second mounting member 42, preferably, the air vent 123 is disposed higher than the conductive connector 7 or is flush with the conductive connector 7, so that the air flow entering the battery box firstly exchanges heat with the conductive connector 7 with higher temperature, then flows to the outer surface of the battery 2 through the air vent 45 disposed on the first mounting member 41 and/or the second mounting member 42 to exchange heat with the battery 2, and then discharges the air flow with the heat exchange completed to the outside of the battery box through the air flow driving member 6.

In order to ensure good insulation of the battery case, the mounting portion and/or the case body is made of an insulating material, preferably, the insulating material includes ABS, PP, etc.

In addition, the battery box in the present application is provided with the structure for passing the air flow, such as the air vent 123, the air vent 45, the air flow driving component 6, etc., so that the battery box has very good heat dissipation performance, and can be widely applied in the energy storage and/or debugging fields. Of course, it can be understood that when the battery box in the present application is applied in the field with high requirements for waterproof performance, such as the battery box on an electric vehicle, the structure for forming the airflow channel provided on the battery box can be omitted entirely, so as to ensure that the battery in the battery box is not affected by the external environment, and ensure that the battery box can be used safely and reliably.

The battery is fixed in the box body of the battery box through the first mounting structure and the second mounting structure, and the mounting and dismounting steps are convenient, time-saving and labor-saving. The battery box has good insulating performance because the box body and the mounting part connected with the battery box are made of insulating materials. In addition, the battery box has good heat dissipation effect, and can conduct efficient heat dissipation aiming at the conductive connecting piece which is easy to overheat, so that the use reliability of the battery box is ensured.

It is easy to understand by those skilled in the art that the above preferred embodiments can be freely combined and overlapped without conflict.

The above description is only of the preferred embodiments of the present application and is not intended to limit the present application, and various modifications and variations may be made to the present application by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the protection scope of the present application.

Claims

1. The battery box comprises a box body and a battery, and is characterized in that a first mounting structure is arranged on the box body, the battery box further comprises a mounting part, the battery is connected with the mounting part, a second mounting structure is arranged on the mounting part, and the first mounting structure is matched with the second mounting structure in a clamping and/or inserting manner so as to fixedly mount the battery in the box body;

the battery box further comprises a conductive connecting piece, a guide core mounting hole is formed in the conductive connecting piece, the guide core mounting hole is sleeved outside the guide core protruding out of the positive end of the battery, and the size of the guide core mounting hole gradually increases from one end close to the positive end of the battery to one end far away from the positive end of the battery.

2. The battery box of claim 1, wherein the box body comprises side plates,

3. The battery box of claim 1, wherein the mounting portion includes a first mounting member and a second mounting member, the battery is clamped between the first mounting member and the second mounting member, the first mounting member and the second mounting member are each provided with the second mounting structure, the first mounting structure includes a through groove provided on an inner side wall of the side plate, the second mounting structure includes a mounting rib provided on the first mounting member and the second mounting member and extending outward from edges of the first mounting member and the second mounting member, and the mounting rib is inserted into or caught in the through groove to fix the first mounting member and the second mounting member on the inner wall of the side plate when mounted.

4. A battery box according to claim 3, wherein the first and/or second mounting members are provided with a limiting structure for limiting the battery.

5. The battery box of claim 4, wherein the limit structure includes a stepped bore against which the positive and/or negative end of the battery rests.

6. A battery compartment according to claim 3, wherein the first mounting member and/or the second mounting plate comprises a plate-like structure, the second mounting structure being provided at an edge of the plate-like structure.

7. A battery box according to claim 3, further comprising an air flow driving member located between the first mount and the second mount in a height direction of the battery.

8. The battery box according to claim 7, wherein the first mount and/or the second mount are each provided with a vent hole whose size becomes larger gradually from an end near the airflow driving member to an end distant from the airflow driving member in a height direction of the battery.

9. The battery box of claim 1, wherein the box body includes a side plate on which a vent is provided, the vent being provided at a position higher than the first mount and/or lower than the second mount.

10. The battery box of claim 9, wherein the vent is located higher than or flush with the conductive connector.

11. The battery box according to claim 1, wherein the mounting portion and/or the box body is made of an insulating material.