Lightweight power battery box

Abstract

The utility model provides a light-weight power battery box body which comprises a box bottom, a side plate and a bent edge, and the top of the box bottom is fixedly connected with the side plate. The battery box has the advantages that the plurality of positioning holes are formed in the box bottom, the battery box body is mounted by matching the positioning holes with the positioning pieces, and the batteries in the battery box body are also mounted in the battery box body by matching the positioning holes with the positioning pieces, so that the connecting structure is simplified, the self weight is greatly reduced, and meanwhile, the battery box is convenient to use. The battery box adopts a large-area hollow design, such as a design of a plurality of heat dissipation holes and fan grids, so that the dead weight is greatly reduced, and the dead weight is further reduced while the connection strength is ensured by adopting a design of a small-area and light box cover and a connecting piece made of a light nylon material. And the weight of the battery box can be effectively reduced by adopting the lightweight design, so that the overall weight of the electric vehicle or the energy storage system is reduced. Therefore, the energy efficiency and the endurance mileage of the vehicle can be improved, and the energy consumption can be reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of battery boxes, in particular to a lightweight power battery box. Background Art

[0002] A battery box is a container or device used to store batteries, and its design and construction vary depending on the application, size, battery type and required functions.

[0003] In the prior art, battery boxes are often made of metal and are assembled using multiple metal plates through connecting components. These plates and connecting components make the overall weight of the battery box relatively large. At the same time, in order to enhance the structural strength, prevent battery damage and ensure the stability of battery operation, thick metal plate materials are used, and the design structure is relatively large, thereby increasing the overall weight.

[0004] An overweight battery box may lead to increased energy consumption of the entire battery system (such as electric vehicles) and reduce energy utilization efficiency. Therefore, a new lightweight power battery box is proposed. The box is made of a single plate and does not require connecting components to assemble. At the same time, while ensuring the structural strength, a lot of weight reduction designs are made. It is lightweight enough to effectively solve the problems existing in the prior art. Utility Model Content

[0005] The purpose of the present invention is to solve at least one of the above technical deficiencies.

[0006] To this end, one purpose of the present invention is to provide a lightweight power battery box to solve the problems mentioned in the background technology and overcome the deficiencies in the prior art.

[0007] In order to achieve the above-mentioned object, an embodiment of one aspect of the utility model provides a lightweight power battery box, comprising a box bottom, a side plate, and a bending edge, wherein the top of the box bottom is fixedly connected to the side plate, and the top of the side plate is fixedly connected to the bending edge;

[0008] A plurality of positioning holes are provided on the bottom of the box, and the positioning holes are arranged in a circular array on the bottom of the box;

[0009] The box bottom, side panels and bending edge are integrally formed, and a plurality of heat dissipation holes are opened on the two side panels;

[0010] In addition, a fan grid is provided on the single side panel, and a wiring hole is provided on the single side panel;

[0011] The two ends of the bending edge are provided with angle cuts, and the upper part of the bending edge is detachably connected with a box cover through a connecting piece;

[0012] The bottom of the box cover is fixedly connected with an inner edge, and the inner edge is inserted into the edge formed by the bent edge.

[0013] Preferably, any of the above schemes has an included angle of ninety degrees between the bending edge and the side panel, and the edges of the side panels are connected to each other.

[0014] Adopting the above technical solution: the power battery box is mainly composed of a box bottom, four side panels, four bending edges and a single box cover.

[0015] The four side panels are bent directly on the bottom of the box, and the gaps between the side panels are filled with sealant. The bending edge is bent directly on the side panels, and the gaps between the bending edge are filled with sealant. The bottom, side panels, and bending edge are bent from a whole piece of aluminum plate, with high structural strength and low deadweight.

[0016] Preferably, any of the above schemes is that the positioning hole is a threaded hole, and the heat dissipation holes are in the shape of vertical strips and are arranged in a linear array.

[0017] The above technical solution is adopted: a large number of positioning holes are opened on the bottom of the box, and the battery box is installed through these positioning holes in cooperation with the positioning pieces, and the batteries inside the battery box are also installed in the battery box through these positioning holes in cooperation with the positioning pieces, which simplifies the connection structure and greatly reduces the dead weight. At the same time, the battery box has a large area of ​​hollow design, such as a large number of heat dissipation holes and fan grid design, which greatly reduces the dead weight;

[0018] The small and lightweight box cover design and lightweight nylon connectors ensure the connection strength while further reducing the weight. The lightweight design can effectively reduce the weight of the battery box, thereby reducing the overall weight of the electric vehicle or energy storage system. This can not only improve the vehicle's energy efficiency and range, but also reduce energy consumption.

[0019] Preferably, according to any of the above solutions, there are a plurality of fan grids.

[0020] The design of the inner edge can effectively improve the impact resistance of the bending edge and side panels and increase the strength of the battery box.

[0021] Preferably, any of the above solutions is that the connecting member is a hexagon socket bolt, and the material of the connecting member is nylon.

[0022] Preferably, any of the above solutions has four corners of the box cover cut into corners.

[0023] Compared with the prior art, the advantages and beneficial effects of the utility model are:

[0024] The lightweight power battery box body is provided with a plurality of positioning holes on the bottom of the box through the coordination of the side panels, the bending edges, the positioning holes, the heat dissipation holes, the fan grid, the wire holes, and the connecting parts. The battery box body is installed through these positioning holes in coordination with the positioning parts, and the batteries inside the battery box are also installed in the battery box body through these positioning holes in coordination with the positioning parts, so as to simplify the connection structure and greatly reduce the dead weight. At the same time, the battery box is provided with a large area of ​​hollow design, such as the design of numerous heat dissipation holes and fan grids, which greatly reduces the dead weight.

[0025] The small and lightweight box cover design and lightweight nylon connectors ensure the connection strength while further reducing the weight. The lightweight design can effectively reduce the weight of the battery box, thereby reducing the overall weight of the electric vehicle or energy storage system. This can not only improve the vehicle's energy efficiency and range, but also reduce energy consumption.

[0026] Additional aspects and advantages of the present invention will be given in part in the following description and in part will become apparent from the following description or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] The above and / or additional aspects and advantages of the present invention will become apparent and easily understood from the description of the embodiments in conjunction with the following drawings, in which:

[0028] Figure 1 It is a structural schematic diagram of the utility model from the first perspective;

[0029] Figure 2 It is a structural schematic diagram of the utility model from a second viewing angle;

[0030] Figure 3 It is a structural schematic diagram of the box body of the utility model;

[0031] Figure 4 It is a structural schematic diagram of the box cover of the utility model.

[0032] In the figure: 1-box bottom, 2-side panel, 3-bending edge, 4-positioning hole, 5-heat dissipation hole, 6-fan grid, 7-wire hole, 8-connecting piece, 9-box cover, 10-inner edge. DETAILED DESCRIPTION

[0033] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, and should not be construed as limiting the present invention.

[0034] In the present invention, unless otherwise clearly specified and limited, the terms "install", "connect", "connect", "fix" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0035] like Figure 1-4 As shown, the lightweight power battery box includes a box bottom 1, a side plate 2, and a bending edge 3. The top of the box bottom 1 is fixedly connected to the side plate 2, and the top of the side plate 2 is fixedly connected to the bending edge 3;

[0036] A plurality of positioning holes 4 are provided on the bottom 1 of the box, and the positioning holes 4 are arranged in a circular array on the bottom 1 of the box;

[0037] The box bottom 1, the side panels 2 and the bending edge 3 are integrally formed, and a plurality of heat dissipation holes 5 are provided on the two side panels 2;

[0038] In addition, a fan grid 6 is provided on the single side panel 2, and a wire hole 7 is provided on the single side panel 2;

[0039] The two ends of the bending edge 3 are provided with angle cuts, and the upper part of the bending edge 3 is detachably connected with a box cover 9 through a connecting piece 8;

[0040] The bottom of the box cover 9 is fixedly connected with an inner edge 10 , and the inner edge 10 is inserted into the edge formed by the bent edge 3 .

[0041] Embodiment 1: The angle between the bending edge 3 and the side panel 2 is 90 degrees, and the edges of the side panels 2 are connected to each other. The power battery box is mainly composed of a box bottom 1, four side panels 2, four bending edges 3 and a single box cover 9. Among them, the four side panels 2 are directly bent and formed with respect to the box bottom 1, and the gaps between the side panels 2 are filled with sealant. The bending edge 3 is directly bent and formed with respect to the side panel 2, and the gaps between the bending edges 3 are filled with sealant. The box bottom 1, the side panels 2, and the bending edge 3 are formed by bending a whole piece of aluminum plate, and the structure has high strength and low dead weight.

[0042] Embodiment 2: The positioning hole 4 is a threaded hole, and the heat dissipation holes 5 are in the shape of vertical strips and are arranged in a linear array. The number of fan grids 6 is several. The connecting member 8 is specifically a hexagon socket bolt, and the material of the connecting member 8 is nylon. The four corners of the box cover 9 are designed with cut corners.

[0043] The working principle of the utility model is as follows:

[0044] The power battery box body is mainly composed of a box bottom 1, four side panels 2, four bending edges 3 and a single box cover 9.

[0045] The four side panels 2 are directly bent about the box bottom 1, and the gaps between the side panels 2 are filled with sealant. The bending edge 3 is directly bent about the side panels 2, and the gaps between the bending edge 3 are filled with sealant. The box bottom 1, the side panels 2, and the bending edge 3 are formed by bending a whole piece of aluminum plate;

[0046] The battery box is installed through connecting structures such as bolts, nuts, etc. in conjunction with the positioning holes 4, and the battery is installed in the battery box through connecting structures such as bolts, nuts, etc. in conjunction with the positioning holes 4. The box cover 9 is installed on the bending edge 3 through a nylon connector 8.

[0047] Compared with the prior art, the present invention has the following beneficial effects:

[0048] The lightweight power battery box body is provided with a plurality of positioning holes 4 on the bottom 1 of the box through the coordination of the side panels 2, the bending edges 3, the positioning holes 4, the heat dissipation holes 5, the fan grid 6, the wire holes 7, and the connectors 8. The battery box body is installed through the positioning holes 4 in coordination with the positioning members, and the batteries inside the battery box are also installed in the battery box body through the positioning holes in coordination with the positioning members, so as to simplify the connection structure and greatly reduce the dead weight. At the same time, the battery box is provided with a large area of ​​hollow design, such as the design of the plurality of heat dissipation holes 5 and the fan grid 6, which greatly reduces the dead weight.

[0049] The small and light box cover 9 and the light nylon connector 8 are used to ensure the connection strength while further reducing the dead weight. The lightweight design can effectively reduce the weight of the battery box, thereby reducing the overall weight of the electric vehicle or energy storage system. This can not only improve the energy efficiency and cruising range of the vehicle, but also reduce energy consumption.

Claims

1. A lightweight power battery box, characterized in that: The box comprises a box bottom (1), a side panel (2), and a bent edge (3), wherein the top of the box bottom (1) is fixedly connected to the side panel (2), and the top of the side panel (2) is fixedly connected to the bent edge (3); The box bottom (1) is provided with a plurality of positioning holes (4), and the positioning holes (4) are arranged in a circular array on the box bottom (1); The box bottom (1), the side panels (2) and the bending edge (3) are integrally formed, and a plurality of heat dissipation holes (5) are provided on the two side panels (2); In addition, a fan grid (6) is provided on a single side panel (2), and a wiring hole (7) is provided on a single side panel (2); The two ends of the bending edge (3) are provided with angle cuts, and the upper part of the bending edge (3) is detachably connected to a box cover (9) via a connecting piece (8); The bottom of the box cover (9) is fixedly connected to an inner edge (10), and the inner edge (10) is inserted into the edge formed by the bent edge (3).

2. A lightweight power battery box as claimed in claim 1, characterized in that: The included angle between the bending edge (3) and the side plate (2) is ninety degrees, and the edges of the side plates (2) are connected to each other.

3. A lightweight power battery box as claimed in claim 2, characterized in that: The positioning holes (4) are threaded holes, and the heat dissipation holes (5) are in the form of vertical strips and are arranged in a linear array.

4. A lightweight power battery box as claimed in claim 3, characterized in that: The number of the fan grids (6) is multiple.

5. A lightweight power battery box as claimed in claim 4, characterized in that: The connecting piece (8) is specifically a hexagon socket bolt, and the material of the connecting piece (8) is nylon.

6. A lightweight power battery box as claimed in claim 5, characterized in that: The four corners of the box cover (9) are designed with chamfers.

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