Electric vehicle battery shell capable of dissipating heat

Abstract

The utility model discloses an electric vehicle battery case capable of dissipating heat, which relates to the field of battery cases, and comprises a battery monomer, right-angle bulges are arranged at four corners of the battery monomer, grooves and convex blocks are arranged on the outer walls of the right-angle bulges, and the grooves and the convex blocks can be matched and connected with each other. And the battery monomers are spliced and assembled through the grooves and the bumps to form a heat dissipation channel. According to the utility model, the right-angle bulges are arranged at the four corners of the battery monomers, the right-angle bulges are provided with the grooves and the convex blocks, the battery monomers are spliced and assembled through the matching of the grooves and the convex blocks to form a heat dissipation channel, and meanwhile, a plurality of cushion blocks are arranged at the bottoms of the battery monomers to form the heat dissipation channel at the bottoms, so that the overall heat dissipation effect is improved; and the grooves and the bumps are tightly matched with each other, so that the battery assembly is more stable.

Description

TECHNICAL FIELD

[0001] The utility model relates to electric vehicle battery field, concretely is a kind of electric vehicle battery shell of heat dissipation. BACKGROUND

[0002] Electric vehicle battery as the core component of electric vehicle, its performance directly influences the endurance mileage, service life and safety of electric vehicle.Under high temperature environment, battery is prone to overheat, which not only reduces the life of battery, but also may cause safety problems.Therefore, effective heat dissipation technology is crucial to guarantee the normal operation of battery.

[0003] Most of the existing electric vehicle batteries adopt square shell, which is convenient for installing battery in the built-in battery slot of electric vehicle, and the series and parallel use of battery is carried out according to the motor power and output voltage of electric vehicle.

[0004] However, in the process of battery use, the distance between each monomer is too close, so that the heat generated by the battery cannot be dissipated in time, the battery module has poor heat dissipation, which easily causes battery thermal runaway and causes accidents such as battery fire. INVENTION CONTENTS

[0005] Therefore, the utility model aims at providing a kind of electric vehicle battery shell of heat dissipation to solve the technical problems that battery module has poor heat dissipation, which easily causes battery thermal runaway and causes accidents such as battery fire.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a kind of electric vehicle battery shell of heat dissipation, including battery monomer, the battery monomer four corner is provided with right angle protrusion, the outer wall of right angle protrusion is provided with recess and protruding block, the recess and protruding block are connected with each other, and the battery monomer is assembled by recess and protruding block and is mutually spliced to form heat dissipation channel.

[0007] By adopting the above technical scheme, heat dissipation channel is formed between battery monomers, the heat dissipation performance of battery is enhanced, and the battery assembly is more stable by the mutual cooperation and splicing assembly of recess and protruding block of battery monomer.

[0008] The utility model is further provided with a plurality of pads at the bottom of the battery monomer.

[0009] By adopting the above technical scheme, heat dissipation channel is formed between the bottom of the battery monomer and the contact surface to enhance the heat dissipation performance of the bottom and improve the overall heat dissipation effect.

[0010] The utility model is further provided with an integrated structure of the pad and the battery monomer.

[0011] By adopting the above technical scheme, the manufacturing of the battery monomer and the pad is completed in one molding process, which simplifies the production process and improves the production efficiency.

[0012] The present invention is further configured such that the pad is made of ABS material.

[0013] By adopting the above technical solution, the cost is low and the environment is environmentally friendly, and it has corrosion resistance and good insulation properties.

[0014] In summary, the present invention has the following main advantages:

[0015] 1. This utility model sets right-angle protrusions at the four corners of the battery cell, and sets grooves and protrusions on the right-angle protrusions. The battery cell is assembled by the cooperation of the grooves and protrusions to form a heat dissipation channel. At the same time, multiple pads are set at the bottom of the battery cell to form a heat dissipation channel at the bottom, which improves the overall heat dissipation effect. The grooves and protrusions fit together tightly, making the battery assembly more stable. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of a single battery cell of this utility model;

[0017] Figure 2 For the present utility model Figure 1 Another perspective illustration;

[0018] Figure 3 This is a schematic diagram of the battery assembly of this utility model;

[0019] Figure 4 This is a schematic diagram of the battery assembly of this utility model from another perspective;

[0020] Figure 5 This is a top view of the battery assembly of this utility model;

[0021] Figure 6 This is a side view of the battery assembly of this utility model.

[0022] In the diagram: 1. Battery cell; 2. Right-angle protrusion; 3. Groove; 4. Protrusion; 5. Pad. Detailed Implementation

[0023] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and should not be construed as limiting the present invention.

[0024] The embodiments of this utility model will be described below based on its overall structure.

[0025] A heat-dissipating electric vehicle battery casing is designed to improve the heat dissipation performance of electric vehicle batteries after assembly. It increases the gap between battery cells 1 after assembly by adding right-angle protrusions 2 at the four corners of the battery cells 1 to form heat dissipation channels. At the same time, pads 5 are added to the bottom to form bottom heat dissipation channels, thereby improving the overall heat dissipation effect.

[0026] like Figures 1-6 As shown, the battery includes a single battery cell 1. Each battery cell 1 has four right-angle protrusions 2 at its four corners. The outer walls of the right-angle protrusions 2 are provided with grooves 3 and protrusions 4. The battery cell 1 has four sides, A, B, C, and D, which are opposite to each other. The groove 3 on side A of battery cell 1 and the protrusion 4 on side C of another battery cell 1 cooperate to form a heat dissipation channel. Similarly, the groove 3 on side B of battery cell 1 and the protrusion 4 on side D of another battery cell 1 cooperate to form a heat dissipation channel, enhancing the battery's heat dissipation performance. The battery cell 1 is assembled by the cooperation of the grooves 3 and protrusions 4, and the tight fit between the grooves 3 and protrusions 4 makes the assembly more stable.

[0027] Multiple pads 5 are provided at the bottom of the battery cell 1. The bottom of the battery cell 1 and the contact surface form a heat dissipation channel to enhance the heat dissipation performance of the bottom and improve the overall heat dissipation effect. The battery cell 1 and the pads 5 are connected by adhesive. The pads 5 are made of ABS, which is low cost and environmentally friendly, and has corrosion resistance and good insulation performance.

[0028] Although embodiments of the present invention have been shown and described, these specific embodiments are merely explanations of the present invention and are not intended to limit the invention. The specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples. After reading this specification, those skilled in the art may make modifications, substitutions, and variations to the embodiments as needed without departing from the principles and spirit of the present invention, provided that such modifications, substitutions, and variations are within the scope of the claims of the present invention and are protected by patent law.

Claims

1. A heat-dissipatable electric vehicle battery shell comprising battery monomers (1), characterized in that: The battery monomer (1) is provided with right-angle protrusions (2) at four corners, the outer wall of the right-angle protrusions (2) is provided with grooves (3) and protrusions (4), the grooves (3) and the protrusions (4) are matched with each other, and the battery monomer (1) is assembled by being spliced with each other through the grooves (3) and the protrusions (4) to form a heat dissipation channel.

2. The heat dissipating battery case for electric vehicles according to claim 1, wherein: The bottom of the battery monomer (1) is provided with a plurality of cushion blocks (5).

3. The heat dissipating battery case for electric vehicles according to claim 2, wherein: The cushion block (5) and the battery monomer (1) are in an integrated molding structure.

4. The heat dissipating battery case for electric vehicles of claim 2, wherein: The cushion block (5) is made of ABS material.

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