Plastic box body structure of battery pack

Abstract

The utility model discloses a plastic box body structure of a battery pack, which comprises a plastic bottom plate, and criss-cross reinforcing ribs are laid on the bottom surface of the plastic bottom plate; a groove and a water cooling pipe are arranged on the upper surface of the plastic bottom plate, and the water cooling pipe is laid in the groove; the plastic upper cover covers the upper surface of the plastic bottom plate, and a cavity for mounting the battery pack is formed between the plastic upper cover and the plastic bottom plate. According to the utility model, the box body for loading the battery pack is manufactured in a mode of replacing steel with plastic, so that the weight and the manufacturing cost of the box body are reduced. According to the utility model, the criss-cross reinforcing ribs are arranged on the bottom surface of the plastic bottom plate so as to enhance the structural strength of the plastic bottom plate, and the grooves are formed in the upper surface of the plastic bottom plate, so that the surface of the plastic bottom plate for bearing the battery pack is a surface with a concave-convex structure, and the structural strength of the plastic bottom plate is further enhanced; and the position of the water-cooling pipe can be arranged by utilizing the groove, so that the water-cooling pipe can be close to the bottom of the battery pack to cool the battery pack.

Description

Technical Field

[0001] The utility model relates to the technical field of loading boxes for batteries, and particularly relates to a plastic box structure for a battery pack. Background Art

[0002] At present, the bottom plate of the box for installing batteries in an outdoor energy storage cabinet generally needs to be assembled by welding through roll-pressed profiles, side beams, front, middle and rear bottom beams, module installation beams, etc.; the water-cooling plate of the box is made by an aluminum alloy blow-up hot rolling process, which has the problems of too high cost and too heavy weight. Summary of the Utility Model

[0003] The main purpose of the utility model is to provide a plastic box structure for a battery pack, aiming to solve at least one problem in the background art.

[0004] To achieve the above purpose, the technical solution of the utility model is as follows:

[0005] The utility model discloses a plastic box structure for a battery pack, including:

[0006] A plastic bottom plate, on the bottom surface of which criss-cross reinforcing ribs are laid; on the upper surface of the plastic bottom plate, there are grooves,

[0007] A water-cooling pipe, which is laid in the groove;

[0008] A plastic upper cover, which covers the upper surface of the plastic bottom plate, and there is a cavity for installing a battery pack between the plastic upper cover and the plastic bottom plate.

[0009] Compared with the prior art, the utility model manufactures the box for loading the battery pack by replacing steel with plastic, so as to reduce the weight and manufacturing cost of the box. In the utility model, by arranging criss-cross reinforcing ribs on the bottom surface of the plastic bottom plate, the structural strength of the plastic bottom plate is enhanced, and by arranging grooves on the upper surface of the plastic bottom plate, the surface for the plastic bottom plate to carry the battery pack is a surface with a concave-convex shape structure instead of a plane, which further enhances the structural strength of the plastic bottom plate, and the position of the water-cooling pipe can be arranged by using the groove, so that the water-cooling pipe can be close to the bottom of the battery pack to cool the battery pack, killing two birds with one stone.

[0010] In a preferred embodiment, the water-cooling pipe is arranged lower than the groove.

[0011] In a preferred embodiment, the cross-sectional shape of the water-cooling pipe is square.

[0012] In a preferred embodiment, the groove includes a plurality of first grooves arranged in parallel and second grooves connecting two adjacent first grooves.

[0013] In a preferred embodiment, adjacent ones of the first grooves are sequentially and alternately connected through the head and tail of the second grooves to form a continuous groove path.

[0014] In a preferred embodiment, the first grooves extend straight in one direction, and the second grooves are arranged in an arc-shaped structure.

[0015] In a preferred embodiment, the wall surface of the plastic upper cover has a plurality of protruding portions.

[0016] For better understanding and implementation, the following describes the present invention in detail with reference to the accompanying drawings. Description of the Drawings

[0017] The drawings described herein are used to provide a further understanding of the present invention, and constitute a part of this application. The schematic embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation to the present invention. In the drawings:

[0018] Figure 1 is a structural diagram of the plastic box body structure of the battery pack of the present invention;

[0019] Figure 2 is an exploded view of the plastic bottom plate and the water cooling pipe of the present invention;

[0020] Figure 3 is a structural diagram of the back surface of the plastic bottom plate of the present invention.

[0021] Description of the Reference Numerals:

[0022] 1 - plastic bottom plate, 11 - reinforcing rib, 12 - groove, 121 - first groove, 122 - second groove, 2 - water cooling pipe, 3 - plastic upper cover, 31 - protruding portion, 4 - cavity. Detailed Embodiments

[0023] In order to better elaborate the present invention, the present invention will be further described in detail below with reference to the accompanying drawings.

[0024] It should be clear that the described embodiments are only a part of the embodiments of this application, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments in this application without creative efforts belong to the scope protected by the embodiments of this application.

[0025] The terms used in the embodiments of the present application are for the purpose of describing specific embodiments only and are not intended to limit the embodiments of the present application. The singular forms "a", "the", and "said" used in the embodiments of the present application and the appended claims are also intended to include the plural forms unless the context clearly indicates otherwise. It should also be understood that the term "and / or" used herein refers to and includes any or all possible combinations of one or more of the associated listed items.

[0026] In the description of the present utility model, it should be understood that the orientation or positional relationships indicated by the terms "vertical", "horizontal", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. are based on the orientation or positional relationships shown in the drawings, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the protection scope of the present utility model.

[0027] The present utility model discloses a plastic box structure for a battery pack, including:

[0028] A plastic bottom plate 1, on the bottom surface of which there are criss-cross reinforcing ribs 11; on the upper surface of the plastic bottom plate 1 there are grooves 12,

[0029] A water-cooling pipe 2, which is laid in the groove 12;

[0030] A plastic upper cover 3, which covers the upper surface of the plastic bottom plate 1, and there is a cavity 4 for installing the battery pack between the plastic upper cover 3 and the plastic bottom plate 1.

[0031] Compared with the prior art, the present utility model manufactures the box for loading the battery pack in a way of replacing steel with plastic to reduce the weight and manufacturing cost of the box. In the present utility model, by arranging criss-cross reinforcing ribs 11 on the bottom surface of the plastic bottom plate 1, the structural strength of the plastic bottom plate 1 is enhanced, and by arranging grooves 12 on the upper surface of the plastic bottom plate 1, the surface of the plastic bottom plate 1 for bearing the battery pack is a surface with a concave-convex shape structure rather than a plane, further enhancing the structural strength of the plastic bottom plate 1, and using the grooves 12 can arrange the position of the water-cooling pipe 2, so that the water-cooling pipe 2 can be close to the bottom of the battery pack to cool the battery pack, killing two birds with one stone.

[0032] Furthermore, the water-cooling pipe 2 is arranged lower than the groove 12 to prevent the water-cooling pipe 2 from directly contacting the bottom of the battery pack, and to avoid deformation of the water-cooling pipe 2 when the battery pack is installed due to the impact of the battery pack, resulting in unevenness of the local area of the water-cooling pipe 2 where it is impacted and affecting the installation of the battery pack.

[0033] Further, compared with the commonly used water-cooling pipe 2 with a circular cross-section, the cross-sectional shape of the water-cooling pipe 2 is square, which can increase the capacity of the water-cooling pipe 2 and effectively improve the heat exchange efficiency.

[0034] Further, the groove 12 includes a plurality of first grooves 121 arranged in parallel and second grooves 122 connecting two adjacent first grooves 121 to enhance the structural strength of the plastic base plate 1.

[0035] Further, adjacent first grooves 121 are sequentially and staggeredly connected end to end through the second grooves 122 to form a continuous groove path, and the water-cooling pipe 2 is placed through the continuous groove path.

[0036] Further, the first groove 121 extends straight in one direction, and the shape of the second groove 122 is arranged in an arc structure so that the shape of the groove path is adapted to the shape of the water-cooling pipe 2, facilitating the placement of the water-cooling pipe 2.

[0037] Further, the wall surface of the plastic upper cover 3 has a plurality of protrusions 31 to enhance the structural strength of the plastic upper cover 3.

[0038] The above description is an explanation of the present invention, not a limitation of the invention. The scope defined by the present invention is referred to the claims. Within the protection scope of the present invention, any form of modification can be made.

[0039] The present invention is not limited to the above embodiments. If various changes or deformations to the present invention do not depart from the spirit and scope of the present invention, and if these changes and deformations belong to the scope of the claims of the present invention and equivalent technical scope, then the present invention also intends to include these changes and deformations.

Claims

1. A plastic box structure of a battery pack, characterized in that, Comprising: A plastic bottom plate, on the bottom surface of which reinforcing ribs are laid in a crisscross pattern; The upper surface of the plastic bottom plate has grooves, A water cooling pipe, which is laid in the grooves; A plastic upper cover, which is covered on the upper surface of the plastic bottom plate, and there is a cavity for installing a battery pack between the plastic upper cover and the plastic bottom plate.

2. The plastic box structure of the battery pack according to claim 1, characterized in that: The water cooling pipe is arranged lower than the grooves.

3. The plastic box structure of the battery pack according to claim 1, characterized in that: The cross-sectional shape of the water cooling pipe is square.

4. The plastic box structure of the battery pack according to claim 1, characterized in that: The grooves include a plurality of first grooves arranged in parallel and second grooves connecting two adjacent first grooves.

5. The plastic box structure of the battery pack according to claim 4, characterized in that: Adjacent first grooves are sequentially and staggeredly connected through the head and tail of the second grooves to form a continuous groove path.

6. The plastic box structure of the battery pack according to claim 4 or 5, characterized in that: The first grooves extend straight in one direction, and the shape of the second grooves is arranged in an arc structure.

7. The plastic box structure of the battery pack according to claim 1, characterized in that: The wall surface of the plastic upper cover has a plurality of protrusions.

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