Battery system and installation method thereof

Abstract

The invention relates to the technical field of batteries, in particular to a battery system and an installation method thereof. The battery system comprises a mounting frame, a battery pack and a high-voltage box, the mounting frame comprises a first frame and a second frame, the first frame and the second frame are oppositely arranged in a first direction, and a first accommodating space matched with the battery pack and a second accommodating space matched with the high-voltage box are formed in the first frame and the second frame; the first containing space and the second containing space are sequentially distributed in the second direction, the first direction and the second direction are perpendicular to each other on the vertical plane, the first containing space is communicated with the second containing space, the battery pack is arranged in the first containing space, and the high-voltage box is arranged in the second containing space. When the battery system is mounted in an external structure, the mounting frame can play a role in limiting and protecting the battery pack and the high-voltage box, so that the relative positions of the battery pack and the high-voltage box are not changed, namely, the battery pack and the high-voltage box can form a stable whole.

Description

Technical Field

[0001] The present invention belongs to the technical field of batteries, and particularly relates to a battery system and an installation method thereof. Background Art

[0002] A battery system includes a battery pack and a high-voltage box. During the production process of the battery system, it is necessary to electrically connect the battery pack and the high-voltage box together, and then install the battery pack and the high-voltage box that are electrically connected together as a whole into other structures.

[0003] However, in the prior art, during the process of installing the battery pack and the high-voltage box in the battery system into other structures, the relative positions of the two are likely to change, which in turn easily affects the stability of the electrical connection relationship between the battery pack and the high-voltage box. Summary of the Invention

[0004] The technical problem to be solved by the present invention is: aiming at the problem that in the prior art, during the process of installing the battery pack and the high-voltage box in the battery system into other structures, the relative positions of the two are likely to change, a battery system and an installation method thereof are provided.

[0005] To solve the above technical problem, on the one hand, an embodiment of the present invention provides a battery system, including an installation frame, a battery pack and a high-voltage box. The installation frame includes a first frame and a second frame. The first frame and the second frame are relatively arranged in a first direction, and a first accommodation space matching the battery pack and a second accommodation space matching the high-voltage box are formed inside the two;

[0006] The first accommodation space and the second accommodation space are distributed in sequence along a second direction. The first direction and the second direction are perpendicularly arranged on a vertical plane. The first accommodation space and the second accommodation space are communicated. The battery pack is arranged in the first accommodation space, and the high-voltage box is arranged in the second accommodation space. The high-voltage box is used for outputting and distributing the electric energy of the battery pack.

[0007] Optionally, the first frame includes a first base frame and two first bending strips. The two first bending strips are connected to opposite sides of the first base frame along a third direction. The third direction is perpendicular to the first direction and the second direction. The first bending strip bends towards the second frame;

[0008] The second frame includes a second base frame and two second bending strips. The two second bending strips are connected to opposite sides of the second base frame along the third direction, and the second bending strip bends towards the first frame.

[0009] Optionally, the battery pack includes a first battery module, a second battery module, and a bus bar group. A plurality of the first battery modules are arranged alternately along a second direction;

[0010] A plurality of the second battery modules are correspondingly attached to the same side surface of the first battery modules along a first direction. The bus bar group is used to connect a plurality of the first modules and a plurality of the second battery modules into a group.

[0011] Optionally, the first frame has a plurality of first limiting members spaced along the second direction. An adjacent pair of the first limiting members, a first bending strip, a second bending strip, and a first base frame form a first limiting groove matching the first battery module;

[0012] The second frame has a plurality of second limiting members spaced along the second direction. An adjacent pair of the second limiting members, a third bending strip, a fourth bending strip, and a second base frame form a second limiting groove matching the second battery module.

[0013] Optionally, a plurality of first side plates extend from a side of the first bending strip away from the first base frame towards the second base frame. The plurality of first side plates are arranged at intervals in sequence along the second direction; a plurality of second side plates extend from a side of the third bending strip away from the second base frame towards the first base frame. The plurality of second side plates are arranged at intervals in sequence along the second direction.

[0014] Optionally, the battery system further includes a fastener. The fastener is connected between the first side plate and the second side plate, and a weight reduction hole is provided on the fastener.

[0015] Optionally, the battery system further includes a base and a support frame. The high-voltage box is installed on the support frame. The base is arranged in the second accommodation cavity. An opening is provided on a side of the second accommodation space away from the first accommodation space. The support frame is slidably installed on the base, and the support frame can slide out from the opening.

[0016] Optionally, the battery system further includes a DC / DC converter. A protrusion is provided on a side surface of the installation frame in the thickness direction of the battery pack. The DC / DC converter is arranged on the protrusion. The protrusion is preferably in a circular arch shape, which is convenient for the installation of the battery system.

[0017] Optionally, the battery system further includes a plurality of binding members for defining the distance between the first frame and the second frame. The binding members are bound on the outer peripheral surfaces of the first frame, the battery pack, and the second frame.

[0018] According to the battery system of this embodiment, by arranging the battery pack in the first accommodation space and installing the high-voltage box in the second accommodation space, when the battery system of this embodiment is installed in an external structure, the installation frame can play a role in limiting and protecting the battery pack and the high-voltage box, so that the battery pack and the high-voltage box will not touch the external structure, thereby ensuring that the relative positions of the battery pack and the high-voltage box will not change, and enabling the battery pack and the high-voltage box to form a stable whole. At the same time, in this embodiment, by placing the battery pack and the high-voltage box in the first accommodation space and the second accommodation space respectively, better limiting of the battery pack and the high-voltage box can be achieved, and it is also convenient for the installation of the battery pack and the high-voltage box.

[0019] On the other hand, an embodiment of the present invention provides an installation method for a battery system, which includes the following steps:

[0020] Provide a first frame, a second frame, a battery pack and a high-voltage box;

[0021] Arrange the battery pack and the high-voltage box in sequence along the second direction, and place the first frame and the second frame on both sides of the battery pack along the first direction respectively;

[0022] Push the first frame and the second frame to move towards each other, so that the first frame and the second frame are butted to form the installation frame having the first accommodation space and the second accommodation space.

[0023] According to the installation method of the battery system of this embodiment, by pushing the first frame and the second frame to move towards each other, the battery pack and the high-voltage box are respectively located in the first accommodation cavity and the second accommodation cavity formed by the first frame and the second frame. In this way, when the installed battery system is installed in an external structure, it can be avoided that the battery pack and the high-voltage box touch the external structure, and thus the battery pack and the high-voltage box can form a stable whole. Description of the Drawings

[0024] Figure 1 is a schematic diagram of the overall structure of a battery system provided by an embodiment of the present invention;

[0025] Figure 2 is a schematic diagram of the structure of a battery system provided by an embodiment of the present invention after removing some structures;

[0026] Figure 3 is a schematic diagram of the first frame in a battery system provided by an embodiment of the present invention;

[0027] The reference numerals in the specification are as follows:

[0028] 1. Installation frame; 2. Battery pack; 3. First accommodation space; 4. Second accommodation space; 5. Fastener; 6. Base; 7. Support frame; 8. DC / DC converter; 9. Binding member; 10. Protrusion; 11. First frame; 12. Second frame; 13. First limiting member; 51. Opening; 111. First base frame; 112. First bending strip; 113. First side plate. Detailed implementation manner

[0029] In order to make the technical problems, technical solutions and beneficial effects solved by the present invention clearer, the present invention will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not used to limit the present invention.

[0030] As Figures 1 to 3 shown, an embodiment of the present invention provides a battery system, including an installation frame 1, a battery pack 2 and a high-voltage box. The installation frame 1 includes a first frame 11 and a second frame 12. The first frame 11 and the second frame 12 are oppositely arranged in a first direction, and a first accommodation space 3 matching the battery pack 2 and a second accommodation space 4 matching the high-voltage box are formed inside the two;

[0031] The first accommodation space 3 and the second accommodation space 4 are sequentially distributed along a second direction. The first direction and the second direction are perpendicularly arranged on a vertical plane. The first accommodation space 3 and the second accommodation space 4 are communicated. The battery pack 2 is arranged in the first accommodation space 3, and the high-voltage box is arranged in the second accommodation space 4. In this embodiment, the first direction is the thickness direction of the battery pack 2; the second direction is the length direction of the battery pack 2. The high-voltage box can output and distribute the electric energy of the battery pack 2.

[0032] Optionally, the first frame 11 includes a first base frame 111 and two first bending strips 112. The first base frame 111 is provided with a hollow structure. The two first bending strips 112 are respectively connected to opposite sides of the first base frame 111 along a third direction, and the first bending strip 112 bends towards the second frame 12;

[0033] The second frame 12 includes a second base frame and two second bending strips. The second base frame is also provided with a hollow structure. The two second bending strips are respectively connected to opposite sides of the second base frame along a third direction, and the second bending strip bends towards the first frame 11. In this embodiment, the third direction is the width direction of the first base frame 111.

[0034] In one embodiment, the battery pack 2 includes a first battery module, a second battery module and a busbar group, and a plurality of first battery modules are alternately arranged along the second direction;

[0035] A plurality of second battery modules are correspondingly attached to the same side surface of the first battery module along the first direction, and the bus bar group is used to connect the plurality of first modules and the plurality of second battery modules into a group.

[0036] In one embodiment, the first frame 11 has a plurality of first limiting members 13 arranged at intervals along the second direction. An first limiting groove matching the first battery module is formed between two adjacent first limiting members 13, the first bending strip 112, the second bending strip, and the first base 111;

[0037] The second frame 12 has a plurality of second limiting members arranged at intervals along the second direction. A second limiting groove matching the second battery module is formed between two adjacent second limiting members, the third bending strip, the fourth bending strip, and the second base.

[0038] In one embodiment, on the side of the first bending strip 112 away from the first base 111, a plurality of first side plates 113 extend towards the direction of the second base. The plurality of first side plates 113 are arranged at intervals along the second direction; on the side of the third bending strip away from the second base, a plurality of second side plates extend towards the direction of the first base 111. The plurality of second side plates are arranged at intervals in sequence along the second direction.

[0039] In one embodiment, the battery system further includes a fastener 5. The fastener 5 is connected between the first side plate 113 and the second side plate, and a weight reduction hole is provided on the fastener 5.

[0040] In one embodiment, the battery system further includes a base 6 and a support frame 7. The high-voltage box is installed on the support frame 7. The base 6 is arranged in the second accommodating cavity. An opening 51 is provided on the side of the second accommodating space 4 away from the first accommodating space 3. The support frame 7 is slidably installed on the base 6, and the support frame 7 can slide out from the opening 51.

[0041] In one embodiment, the battery system further includes a DC / DC converter 8. A protrusion 10 is provided on one side surface of the installation frame 1 in the thickness direction of the battery pack 2. The DC / DC converter 8 is arranged on the protrusion 10. In this embodiment, the DC / DC converter 8 can convert the voltage of the battery pack 2. The protrusion 10 is preferably arched, which is convenient for the installation of the battery system.

[0042] In one embodiment, the battery system further includes a plurality of binding members 9 for limiting the distance between the first frame 11 and the second frame 12. The binding members 9 are bound on the outer peripheral surfaces of the first frame 11, the battery pack 2, and the second frame 12.

[0043] For the battery system according to this embodiment, by arranging the battery pack 2 in the first accommodation space 3 and installing the high-voltage box in the second accommodation space 4, when the battery system of this embodiment is installed in an external structure, the installation frame 1 can play a role in limiting and protecting the battery pack 2 and the high-voltage box, so that the battery pack 2 and the high-voltage box will not touch the external structure, thereby ensuring that the relative positions of the battery pack 2 and the high-voltage box will not change, and enabling the battery pack 2 and the high-voltage box to form a stable whole. At the same time, in this embodiment, by arranging the battery pack 2 and the high-voltage box in the first accommodation space 3 and the second accommodation space 4 respectively, better limiting of the battery pack 2 and the high-voltage box can be achieved, and it is also convenient for the installation of the battery pack 2 and the high-voltage box.

[0044] In addition, an embodiment of the present invention provides an installation method for a battery system, which includes the following steps:

[0045] Material preparation step: Provide the first frame 11, the second frame 12, the battery pack 2 and the high-voltage box;

[0046] Material arrangement step: Arrange the battery pack 2 and the high-voltage box in sequence in the second direction, and place the first frame 11 and the second frame 12 on both sides of the battery pack 2 along the first direction respectively;

[0047] Forming the battery system as a whole step: Push the first frame 11 and the second frame 12 to move towards each other, so that the first frame 11 and the second frame 12 are docked to form an installation frame 1 with a first accommodation space 3 and a second accommodation space 4.

[0048] For the installation method of the battery system according to this embodiment, by pushing the first frame 11 and the second frame 12 to move towards each other, the battery pack 2 and the high-voltage box are respectively located in the first accommodation cavity and the second accommodation cavity formed by the first frame 11 and the second frame 12. When the installed battery system is installed in an external structure, it can avoid the battery pack 2 and the high-voltage box from touching the external structure, and thus the battery pack 2 and the high-voltage box can form a stable whole.

[0049] The above are only the preferred embodiments of the present invention, and are not intended to limit the present invention. Any modifications, equivalent replacements, and improvements made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A battery system, characterized in that, It includes an installation frame, a battery pack and a high-voltage box. The installation frame includes a first frame and a second frame. The first frame and the second frame are oppositely arranged in a first direction, and a first accommodation space matching the battery pack and a second accommodation space matching the high-voltage box are formed inside the two frames. The first accommodation space and the second accommodation space are sequentially distributed along a second direction. The first direction and the second direction are perpendicularly arranged on a vertical plane. The first accommodation space and the second accommodation space are communicated. The battery pack is arranged in the first accommodation space, and the high-voltage box is arranged in the second accommodation space.

2. The battery system according to claim 1, characterized in that, The first frame includes a first base frame and two first bending strips. The two first bending strips are respectively connected to opposite sides of the first base frame along a third direction. The third direction is perpendicular to the first direction and the second direction. The first bending strip bends towards the second frame. The second frame includes a second base frame and two second bending strips. The two second bending strips are respectively connected to opposite sides of the second base frame along a third direction. The second bending strip bends towards the first frame.

3. The battery system according to claim 2, characterized in that, The battery pack includes a first battery module, a second battery module and a busbar group. A plurality of the first battery modules are alternately arranged along the second direction. A plurality of the second battery modules are correspondingly attached to the same side of the first battery module along the first direction. The busbar group is used to connect a plurality of the first modules and a plurality of the second battery modules into a group.

4. The battery system according to claim 3, characterized in that, The first frame has a plurality of first limit members spaced along the second direction. A first limiting groove matching the first battery module is formed by two adjacent first limit members, the first bending strip and the first base frame. The second frame has a plurality of second limit members spaced along the second direction. A second limiting groove matching the second battery module is formed by two adjacent second limit members, the second bending strip and the second base frame.

5. The battery system according to claim 3, characterized in that, On the side of the first bending strip away from the first base frame, a plurality of first side plates extend towards the direction of the second base frame. The plurality of first side plates are sequentially spaced along the second direction. On the side of the second bending strip away from the second base frame, a plurality of second side plates extend towards the direction of the first base frame. The plurality of second side plates are sequentially spaced along the second direction.

6. The battery system according to claim 5, characterized in that, The battery system further includes a fastener. The fastener is connected between the first side plate and the second side plate. A weight-reducing hole is provided on the fastener.

7. The battery system according to claim 1, characterized in that, The battery system further includes a base and a support frame. The high-voltage box is installed on the support frame. The base is arranged in the second accommodation cavity. An opening is provided on the side of the second accommodation space away from the first accommodation space. The support frame is slidably installed on the base, and the support frame can slide out from the opening.

8. The battery system according to claim 1, characterized in that, The battery system further includes a DC / DC converter. A protrusion is provided on one side surface of the installation frame in the thickness direction of the battery pack. The DC / DC converter is arranged on the protrusion.

9. The battery system according to claim 1, characterized in that, The battery system further includes a plurality of binding members for defining the distance between the first frame and the second frame, and the binding members are bound on the outer peripheral surfaces of the first frame, the battery pack and the second frame.

10. An installation method for the battery system according to any one of claims 1-9, characterized in that, Comprising: providing a first frame, a second frame, a battery pack and a high-voltage box; arranging the battery pack and the high-voltage box in sequence along the second direction, and placing the first frame and the second frame on both sides of the battery pack along the first direction respectively; pushing the first frame and the second frame to move towards each other, so that the first frame and the second frame are butted to form a mounting frame having a first accommodating space and a second accommodating space.

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