Supporting device of power battery module

Abstract

The utility model relates to the technical field of battery module supporting, and particularly discloses a supporting device of a power battery module, which comprises a module supporting device arranged in a battery box body, the module supporting device is arranged to be a steel plate which is integrally punched and formed, and a plurality of groups of connecting pieces are arranged at the upper end of the module supporting device. The connecting plate is connected with the battery box body through a fixing bolt; according to the supporting device of the power battery module, the scheme of a double-layer four-liquid-cooling-plate parallel liquid cooling system can be realized, the module supporting device is a steel plate which is integrally punched and formed, and the module supporting device is connected with the welding bolts and the embedded nuts, so that the manufacturing process is simple, the structural strength is good, and the service life of the power battery module is prolonged. Parts such as liquid cooling plates, BMS plates and high-voltage relays are convenient to install, the installation problem of the liquid cooling plates of a power battery double-layer four-liquid-cooling-plate liquid cooling system can be solved, and the module supporting device is provided with a convex structure and a concave structure, so that the overall structure can be enhanced.

Description

TECHNICAL FIELD

[0001] The utility model belongs to battery module support technical field, concretely relates to a kind of support device of power battery module. BACKGROUND

[0002] All-terrain vehicle as the special vehicle of utility, entertainment, sports etc. in one, can travel on sand, grassland, mountain road, tourist place etc. Variety of complex road surface. Since it is applicable to different terrain, flexibility is strong, application is very extensive, currently mainly used for outdoor operation (agriculture, animal husbandry, forestry, hunting, landscape beautification, exploration, industry, construction etc.), sports and leisure, fire patrol, military defense and numerous fields;

[0003] Traditional internal combustion engine all-terrain vehicle forms process engine and emits carbon monoxide, hydrocarbon, nitrogen oxide, lead etc. Pollutant, can seriously pollute environment and human health, with new energy concept popularization and in-depth, and pure electric all-terrain vehicle has zero emission, low noise, energy efficiency and other characteristics, so it becomes a trend to realize the electric drive of traditional all-terrain vehicle in an all-round way;

[0004] At present, pure electric all-terrain vehicle power battery generally uses lead-acid battery or low power natural cooling lithium battery, and has the shortcomings of short service life, short cruising range, long charging time etc., and the improved pure electric all-terrain vehicle uses lithium ion battery pack, so double four liquid cooling plates parallel liquid cooling system is provided to adapt to the temperature consistency of battery module, so power battery module support device is also needed to install battery module and make double four liquid cooling plates parallel liquid cooling system run smoothly. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a kind of support device of power battery module, to solve the problems raised in the above background technology.

[0006] To achieve the above object, the utility model provides the following technical scheme:

[0007] A kind of support device of power battery module, comprising:

[0008] Module support device is installed in the inside of battery box, the module support device is set to the steel plate of one-piece stamping, manufacturing process is simple, structural strength is good, can solve the installation problem of the liquid cooling plate of power battery double four liquid cooling plate liquid cooling system, can meet the vibration requirement of power battery system operation, the upper end of the module support device is provided with multiple connecting pieces, it is convenient to install liquid cooling plate, BMS board, high voltage relay and other components, the two sides of the module support device are connected with connecting plate, the connecting plate is connected with the battery box by fixed bolt, bolt hole is opened on the connecting plate, it is convenient for fixed bolt installation.

[0009] Preferably, the connecting piece is arranged as a welding bolt and a pre-buried nut for mounting parts.

[0010] Preferably, the module support device is arranged as a 2mm steel plate, which is integrally stamped and formed, has simple manufacturing process and good structural strength.

[0011] Preferably, the inner wall of the battery box is connected with a support mounting seat, bolt holes are arranged on the support mounting seat, and the support mounting seat is convenient for fixing bolt installation and conducive to connection with the connecting plate of the module support device to realize installation and fixation of the module support device.

[0012] Preferably, the support mounting seat is arranged in a U-shaped structure, specifically in a U-shaped structure + inner embedded sleeve mode, has high structural strength and can meet the requirements of module support and whole battery pack vibration test.

[0013] Preferably, the side wall of the battery box is made of an aluminum alloy extrusion.

[0014] Compared with the prior art, the utility model has the beneficial effects that:

[0015] The support device of the power battery module can realize the double-layer four-liquid cooling plate parallel liquid cooling system scheme, and the power battery can utilize the space below the whole vehicle seat to the maximum extent, the problem of power battery arrangement in the narrow space of the all-terrain vehicle is solved, the module support device is arranged as an integrally stamped and formed steel plate, the welding bolt and the pre-buried nut are connected with the module support device, the manufacturing process is simple, the structural strength is good, the liquid cooling plate, the BMS plate, the high-voltage relay and other parts are convenient to install, the installation problem of the liquid cooling plate of the power battery double-layer four-liquid cooling plate liquid cooling system can be solved, the power battery system operation vibration requirement can be met, the convex and concave structures are arranged on the module support device to strengthen the overall structure. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is an installation structure schematic view of the utility model;

[0017] Figure 2 It is a whole structure schematic view of the utility model;

[0018] Figure 3 It is a cross section schematic view of the utility model;

[0019] Figure 4 It is a side wall sectional view of the battery box of the utility model;

[0020] In the drawing: 1, battery box; 2, module support device; 3, fixing bolt; 4, water outlet;

[0021] 5. Water inlet; 11. Support mounting base; 21. Connecting plate; 22. Welding bolts and embedded nuts. Detailed Implementation

[0022] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0023] Example:

[0024] Please see Figures 1-4 As shown, a support device for a power battery module includes:

[0025] The module support device 2, installed inside the battery housing 1, divides the battery module into upper and lower layers, facilitating the cooling or heating of the battery module by the liquid cooling plate, ensuring the temperature consistency of the battery cells. The module support device 2 is made of a one-piece stamped steel plate, which has a simple manufacturing process and good structural strength. It can solve the installation problem of the liquid cooling plate in the double-layer four-liquid-cooling system of the power battery and meet the vibration requirements of the power battery system. The upper end of the module support device 2 is provided with multiple sets of connectors to facilitate the installation of components such as the liquid cooling plate, BMS board, and high-voltage relay. Both sides of the module support device 2 are connected to the connecting plate 21, which is connected to the battery housing 1 by fixing bolts 3. The connecting plate 21 has bolt holes to facilitate the installation of fixing bolts 3.

[0026] refer to Figures 1-4 As shown, the connectors are set as welding bolts and pre-embedded nuts 22, which are used to install components.

[0027] refer to Figures 1-4 As shown, the module support device 2 is made of 2mm steel plate, which is integrally stamped and formed. The manufacturing process is simple and the structure has good strength.

[0028] Furthermore, the module support device 2 is provided with protruding and recessed structures, which can strengthen the overall structure.

[0029] refer to Figures 1-4 As shown, the inner wall of the battery box 1 is connected to a support mounting base 11. The support mounting base 11 has bolt holes, which facilitates the installation of the fixing bolts 3 and the connection with the connecting plate 21 of the module support device 2, so as to realize the installation and fixing of the module support device 2.

[0030] refer to Figures 1-4As shown, the support mounting seat 11 is provided in a U-shaped structure, specifically in a U-shaped structure + inner nested sleeve mode, high structural strength, and can meet the requirements of module support and whole battery pack vibration test.

[0031] Reference Figures 1-4 As shown, the side wall of the battery box 1 is made of aluminum alloy extrusion molding, that is, made by aluminum alloy extrusion molding process.

[0032] The utility model discloses a power battery module's support device can make double -deck four liquid cooling plate parallel liquid cooling system scheme can realize, and let power battery maximum degree utilize whole car seat below space, solved the ATV narrow space power battery arrangement's problem, set up module support device 2 is the steel sheet of integrated stamping and module support device 2 is connected with welding bolt and embedded nut 22, simple manufacturing process, good structural strength, convenient for installation liquid cooling plate, BMS board, high -voltage relay and other parts, can solve the installation problem of power battery double -deck four liquid cooling plate liquid cooling system's liquid cooling plate, can satisfy power battery system operation vibration requirement, module support device 2 is provided with convex and concave structure, can strengthen the overall structure.

[0033] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A support device for a power battery module, characterized by Include: The module support device (2) is installed in the battery box (1), the module support device (2) is set as a steel plate of integrated stamping, the upper end of the module support device (2) is provided with a plurality of connecting pieces, both sides of the module support device (2) are connected with connecting plates (21), the connecting plates (21) are connected with the battery box (1) through fixing bolts (3), and bolt holes are formed in the connecting plates (21).

2. The support device of a power battery module according to claim 1, characterized in that: The connecting piece is provided with a welded bolt and a pre-buried nut (22).

3. The support device of a power battery module according to claim 2, characterized in that: The module support device (2) is provided with a steel plate of 2mm.

4. The support device of a power battery module according to claim 3, characterized in that: The inner wall of the battery box (1) is connected with a support mounting seat (11), and bolt holes are formed in the support mounting seat (11).

5. The support device of a power battery module according to claim 4, characterized in that: The support mounting seat (11) is provided with a U-shaped structure.

6. The support device of a power battery module according to claim 5, characterized in that: The side wall of the battery box (1) is an aluminum alloy extrusion molding.

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