Battery pack fixing support

Abstract

The utility model provides a battery pack fixing bracket. The battery pack fixing bracket comprises a bottom plate, a vertical plate and a fixing frame, the utility model is characterized in that the vertical plate is provided with a lower boss which is inserted into a corresponding notch in the bottom plate through brazing connection, a threaded hole in the vertical plate is fixed with a through hole in the fixed frame through a screw, and the inner part of the fixed frame adopts a zigzag structure. The battery pack fixing bracket disclosed by the utility model is simple in structure, convenient to install and arrange the battery pack, good in structural stability and capable of improving the deformation resistance of a battery pack fixing system under severe working conditions; the mounting steps of the fixing bracket are simplified by reducing screw fixing structures; weight of the fixing support is reduced, and energy density of the battery pack is improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to power battery technical field, concretely relates to a battery pack fixed bolster. BACKGROUND

[0002] The existing battery pack bolster structure adopts hard engineering plastics as the electric core bolster, and the structure is damaged due to vibration in the harsh environment in the high-speed electric motorcycle, and the bolster needs to be inlaid with metal screw holes for facilitating installation with other fixing systems in the production and processing process, and the excessive use of the bolster in the battery pack reduces the overall energy density. UTILITY MODEL CONTENTS

[0003] In view of the above-mentioned deficiencies in the prior art, the utility model provides a battery pack fixing bolster which is simple in structure, convenient for battery pack installation and arrangement and good in structural stability, can improve the deformation resistance of the battery pack fixing system under harsh working conditions, reduces the screw fixing structure, simplifies the fixing bolster installation steps, reduces the weight of the fixing bolster and improves the energy density of the battery pack.

[0004] In order to achieve the above-mentioned purpose, the utility model battery pack structure provides a battery pack fixing bolster, which comprises a bottom plate 1, a vertical plate 2 and a fixed frame 3.

[0005] In order to make the above-mentioned technical scheme more detailed and specific, the utility model further provides the following further preferred technical schemes to obtain satisfactory practical effects:

[0006] The vertical plate 2 is internally designed with a battery cooling flow channel, and one main supporting cooling flow channel is designed in the center of the vertical plate, and two auxiliary supporting cooling flow channels are arranged on both sides of the main supporting cooling flow channel.

[0007] The fixed frame 3 is designed in a frame structure and is made of 7075 aluminum;

[0008] The left side of the fixed frame 3 is designed in a circular arc structure;

[0009] The left side edge of the fixed frame 3 is provided with a limiting protrusion for facilitating module assembly;

[0010] The right side of the fixed frame 3 is designed with a certain elevation angle a, and the elevation angle is designed in the range of 15-28°;

[0011] The surface of the fixed frame 3 is subjected to oxidation treatment or coated with an insulation layer with a pressure strength not less than 2000V.

[0012] Compared with the prior art, the battery pack fixing support has the following advantages: the battery pack fixing support has a three-dimensional frame structure design, effectively improves the overall structure of the battery pack, and improves the anti-deformation ability of the battery pack fixing system under harsh working conditions. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is an installation structure schematic diagram of the battery pack fixing support of the utility model;

[0014] Figure 2 It is an explosion view of the battery pack fixing support in use state of the utility model;

[0015] Figure 3 It is a connecting mode of the battery pack fixing support of the utility model;

[0016] Figure 4 It is a fixed frame structure of the battery pack fixing support of the utility model;

[0017] Figure 5 It is a vertical plate structure of the battery pack fixing support of the utility model;

[0018] Markings in the figure: 1, bottom plate, 2, vertical plate, 3, fixed frame, 2-1 / 2-2 / 2-3, boss, 1-1 / 1-2 / 1-3, notch, 2-4 / 2-5, 2-6 / 2-7 / 2-8 / 2-9, threaded hole, 2-10, main support cooling flow channel, 2-11, vice support cooling flow channel, 3-1 / 3-2 / 3-3 / 3-4 / 3-5 / 3-6, through hole, 3-7, assembly positioning structure, 3-8, limit protruding structure, 3-9, zigzag structure, 3-11, anti-deformation structure. DETAILED DESCRIPTION

[0019] In order to make the purpose, technical scheme and advantages of the utility model more clear, the technical scheme of the utility model will be described clearly and completely below in combination with the drawings. Obviously, the described embodiments are part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0020] The exemplary embodiments of the utility model will be described in more detail below with reference to the drawings. Although the exemplary embodiments of the utility model are shown in the drawings, it should be understood that the utility model can be implemented in various forms and should not be limited by the embodiments described herein. On the contrary, these embodiments are provided to enable a more thorough understanding of the utility model and to enable the scope of the utility model to be fully conveyed to those skilled in the art.

[0021] Embodiment one

[0022] The utility model battery package structure provides a battery package liquid cooling structure, include: bottom plate 1, stand 2, fixed frame 3. Structure sees Figure 1 .

[0023] Battery package fixed support connection mode: the boss 2-1 / 2-2 / 2-3 of three stand 2 is inserted into the notched 1-1 / 1-2 / 1-3 in bottom plate 1, is connected by brazing, stroke integral structure;The threaded hole 2-4 / 2-5, 2-6 / 2-7 / 2-8 / 2-9 in stand 2 respectively with the through hole 3-1 / 3-2 / 3-3 / 3-4 / 3-5 / 3-6 in fixed frame 3 are fixed by screw. Battery package fixed support connection mode sees Figure 3 .

[0024] Stand 2: stand not only as battery package fixed support system, and designs battery cooling flow passage in the inside of stand, designs 1 main support feature 2-10 in the inside center of stand, and the size d control requirement is, 0.25L;Two vice support features 2-11.

[0025] Fixed frame 3: fixed frame is connected with other structures except including the fixed through hole of stand 2. The whole fixed frame adopts frame structure design, and the material is 7075 aluminum, and the main purpose is lightweight design, and it is convenient for module part to adopt wire harness connection;Feature 3-7 adopts circular arc structure, and its function is that fixed frame and battery shell cooperate and assemble positioning structure;Feature 3-8 is the limiting protrusion of fixed frame, and the function is to ensure that battery package is limited with battery module tooling when installing, and it is convenient for module assembly;Feature 3-9 adopts tortuous structure, and the function is to ensure that module is installed to the whole fixed support system and will not move in the height direction;Feature 3-10 is fixed frame crossbeam, and the main purpose is to fix three stand 2 from top, and form integral frame structure;Feature 3-11 designs certain elevation a, and the main function is that fixed frame has certain fixed downward separation in the height direction, and the anti-deformation ability of fixed frame in the height direction is increased, and the elevation design range is 15~28 °, and it is consistent with the minimum passing angle of motorcycle. Fixed frame will be connected with the high-voltage device of upper layer, and the surface of fixed frame adopts oxidation treatment or coats an insulating layer with the pressure strength not less than 2000V. Fixed frame structure sees Figure 4 .

Claims

1. A battery pack fixation bracket comprising: The bottom plate (1), the vertical plate (2), and the fixed frame (3) are characterized in that: the vertical plate (2) is provided with a lower boss which is inserted into a corresponding slot in the bottom plate (1) through brazing connection, the threaded hole in the vertical plate (2) is fixed with the through hole in the fixed frame (3) through a screw, and the inside of the fixed frame (3) adopts a zigzag structure.

2. The battery pack fixation bracket according to claim 1, characterized by: The vertical plate (2) is internally designed with a battery cooling flow channel, and one main supporting cooling flow channel is designed in the center of the vertical plate, and two vice supporting cooling flow channels are arranged on the two sides of the main supporting cooling flow channel.

3. The battery pack fixation bracket according to claim 1, characterized in that: The fixed frame (3) adopts a frame structure design and is made of 7075 aluminum.

4. The battery pack fixation bracket according to claim 1, characterized by: The left side of the fixed frame (3) adopts a circular arc structure.

5. The battery pack fixation bracket according to claim 1, characterized in that: The left side edge of the fixed frame (3) is provided with a limiting protrusion, facilitating module assembly.

6. The battery pack fixation bracket according to claim 1, characterized in that: The right side of the fixed frame (3) is designed with a certain elevation angle a, and the elevation angle is designed in the range of 15-28°.

7. The battery pack fixation bracket according to claim 1, characterized in that: The surface of the fixed frame (3) is subjected to oxidation treatment or is coated with an insulating layer with a pressure strength not less than 2000V.

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