CN206271788U - A kind of insulating radiation type Battery case easy to assemble of the electronic racing car of equation - Google Patents

Abstract

The utility model discloses an insulating and heat-dissipating easy-to-assemble battery box for a formula electric racing car, which comprises an insulating box and a battery box cover covering the opening of the insulating box. The insulating box includes a box bottom plate, a symmetrical A pair of heat dissipation side plates, a front plate and a rear plate of high-voltage leads are arranged on the bottom plate of the box body, and a battery module isolation inner plate and a heat dissipation fan parallel to the heat dissipation side plates are arranged in the insulating box. The cold splint, the heat dissipation fan air-cooled splint is fixed with a heat dissipation fan for forced air cooling of the battery module in the box. The battery box provided by the utility model has the advantages of light weight, high space utilization rate, high mechanical strength, simple box structure, convenient manufacture, convenient installation, disassembly and maintenance; at the same time, it is waterproof, sealed, heat-dissipating and ventilated, and can quickly eliminate battery discharge. Harmful gases with safety hazards can effectively dissipate the heat in the battery box and improve the working reliability of the battery system.

Description

An insulating and heat-dissipating easy-to-assemble battery box for a formula electric racing car

technical field

The utility model belongs to the field of energy and power for pure electric racing cars, in particular to an insulating and heat-dissipating easy-to-detachable battery box for a formula electric racing car.

Background technique

With the rise of Formula Student racing competitions, pure electric formula racing has gradually attracted widespread attention due to its excellent power, economy and environmental protection. Due to the particularity of the Formula Student electric racing car, different requirements are put forward for its power, economy, applicability and other performances compared with traditional fuel racing cars. The engine suitable for traditional fuel racing is replaced by an electric motor with better acceleration performance, and the traditional fuel as a power source is replaced by more environmentally friendly electric energy. In order to ensure that the high-voltage battery module of the formula electric car can be safely protected without affecting the power performance of the car, this puts forward requirements for the battery box. At present, most battery boxes in China have the problems of bulky boxes, low space utilization, insufficient mechanical strength, and complex box structures, which lead to complicated manufacturing processes, difficult installation, and difficult disassembly and maintenance. At the same time, the design of air-cooled boxes faces waterproof and sealing Due to the conflict between heat dissipation and ventilation, most battery boxes adopt a fully sealed design with an explosion-proof valve, which not only causes the internal battery module and battery management system to not get effective heat dissipation, but also cannot eliminate the discharge of the battery in the first place. Gases with potential safety hazards.

Utility model content

In order to reduce the weight of the battery box, optimize the overall axle load distribution of the racing car; improve the convenience of installation and disassembly of the battery box, improve the maintainability of the battery box; optimize the heat dissipation design in the battery box, improve the safety of the battery module, etc. Problem, the utility model provides an insulated and heat-dissipating easy-to-assemble battery box for a formula electric racing car.

The technical scheme that the utility model solves its technical problem adopts is:

An insulating and heat-dissipating easy-to-assemble battery box for a formula electric racing car, comprising an insulating box and a battery box cover covering the opening of the insulating box, the insulating box includes a bottom plate of the box, and is symmetrically arranged on the box A pair of heat dissipation side plates on the bottom plate of the body, a front plate and a rear plate of high-voltage lead wires arranged oppositely, the battery module isolation inner plate and a heat dissipation fan air-cooled splint parallel to the heat dissipation side plates are arranged in the insulating box. A heat dissipation fan for forced air cooling of the battery module in the box is fixed on the air cooling splint of the heat dissipation fan.

Furthermore, the bottom plate of the box body, the side plates for heat dissipation, the front plate and the rear plate of the high-voltage leads are spliced, and the edges of each plate are provided with zigzag locking positions, which are finally formed by seamless welding.

Further, the heat dissipation fan is installed on the heat dissipation fan air-cooled splint through bolts.

Furthermore, a number of heat dissipation vents are uniformly arranged on the heat dissipation side plate, which facilitates the discharge and ventilation of harmful gases in the box.

Further, the insulating box is anodized to insulate the internal high-voltage parts from the outside world.

Further, through holes for installing cable connectors are reserved on the front plate of the high-voltage leads, which facilitates disassembly and installation of the battery box. The internal high-voltage wires and signal wires of the battery box can be drawn out from the battery box to provide power for the outside and communicate with the vehicle ECU.

Further, there is a cuboid space reserved between the cooling fan air-cooling splint and the cooling side plate, which can not only accommodate the cooling fan, but also serve as a buffer zone between the external space and the internal battery module to improve waterproof performance.

Further, epoxy board or bakelite board is used for the battery module isolation inner board. In this way, the battery cells, high-voltage relays, fuses and cables are separated from the insulating box to achieve the purpose of insulation.

Further, a hollow structure is provided on the isolated inner plate of the battery module, which ensures the passage of airflow and facilitates heat dissipation.

Further, the bottom of the insulating box is welded with a box bottom support connected to the vehicle frame by bolts, and the battery box can be conveniently fixed on the vehicle frame by bolts through the box bottom support.

Compared with the prior art, the battery box provided by the utility model has the advantages of light weight, high space utilization rate, high mechanical strength, simple box structure, convenient manufacture, convenient installation, disassembly and maintenance; at the same time, it is waterproof, sealed, heat-dissipating, and ventilated. It can quickly eliminate the harmful gas discharged from the battery and has potential safety hazards, effectively dissipate the heat in the battery box, and improve the working reliability of the battery system.

Description of drawings

Below in conjunction with accompanying drawing, the utility model is further described.

Fig. 1 is a schematic diagram of the three-dimensional structure of the battery case of the embodiment of the present invention (without the battery case cover).

Fig. 2 is a top view of the battery case of the embodiment of the present invention (without the battery case cover).

Fig. 3 is a schematic diagram of the structure of the battery box cover of the embodiment of the utility model.

Fig. 4 is a schematic diagram of the specific installation method of the battery box according to the embodiment of the present invention.

FIG. 5 is a partially enlarged schematic diagram of FIG. 4 .

In the figure: 1-box base; 2-radiating side panel; 3-radiating fan air-cooled plywood; 4-high voltage lead wire front plate; 5-box bottom plate; 6-box isolation inner panel; 7-insulating box; 8-Battery box cover; 9-Rear panel; 10-Heat dissipation vent; 11-Cable connector.

detailed description

The purpose of the utility model is further described in detail through specific examples below, and the examples cannot be repeated here one by one, but the implementation of the utility model is not therefore limited to the following examples.

As shown in Figures 1 to 3, an insulating and heat-dissipating easy-to-assemble battery box for a formula electric racing car includes an insulating box 7, a battery box cover 8 covering the opening of the insulating box 7, and the insulating box The body 7 includes a box bottom plate 5, a pair of heat dissipation side plates 2 symmetrically arranged on the box bottom plate 5, a high-voltage lead wire front plate 4 and a rear plate 9 oppositely arranged, and a battery module is arranged inside the insulating box body 7 Insulate the inner plate 6 and the heat dissipation fan air-cooled splint 3 parallel to the heat dissipation side plate 2. The heat dissipation fan air-cooled splint 3 is fixed with a heat dissipation fan for forced air cooling of the battery module in the box. The fan is installed on the cooling fan air-cooled splint 3 by bolts. A plurality of heat dissipation exhaust holes 10 are evenly arranged on the heat dissipation side plate 2, which facilitates the discharge and ventilation of harmful gases in the box. The bottom of the insulating box 7 is welded with a box bottom support 1 connected to the vehicle frame by bolts, and the battery box can be easily fixed on the vehicle frame by bolts through the box bottom support 1 .

The bottom plate 5 of the box body, the heat dissipation side plate 2, the front plate 4 and the rear plate of the high-voltage leads are spliced, and the edges of each plate are provided with zigzag locking positions, which are finally formed by seamless welding.

The insulating box 7 is anodized to insulate the internal high voltage parts from the outside world.

A through hole for installing a cable connector is reserved on the high-voltage lead wire front plate 4 to facilitate disassembly and installation of the battery box. The internal high-voltage wires and signal wires of the battery box can be drawn out from the battery box to provide power for the outside and communicate with the vehicle ECU.

A cuboid space is reserved between the heat dissipation fan air-cooled splint 3 and the heat dissipation side plate 2, which can not only accommodate the heat dissipation fan, but also serve as a buffer between the external space and the internal battery module to improve waterproof performance.

The battery module isolation inner board 6 is made of epoxy board or bakelite board. In this way, the battery cells, high-voltage relays, fuses and cables are separated from the insulating box to achieve the purpose of insulation. At the same time, the battery module isolation inner plate 6 is provided with a hollow structure to ensure the passage of air flow and facilitate heat dissipation.

As shown in Figure 4 and Figure 5, the battery box provided by this embodiment is installed at both ends of the frame, and through reasonable position distribution, the front and rear axle load ratios of the formula car can be reasonably distributed, so that the car has better acceleration performance and handling. The battery box cover 8 and the insulating box body 7 insulate and isolate the inside of the battery box from the outside.

The battery box is connected to the support welded on the frame through the box bottom support 1 and bolts. When installing and disassembling the battery box, it is only necessary to tighten or loosen the bolts to realize the installation and disassembly of the battery box. , to facilitate the daily inspection and maintenance of the battery box.

The battery box can lead out the cable connector 11 through the front plate 4 of the high-voltage lead wire, which is convenient for the high-voltage line and control line inside the battery box to be drawn out. When disassembling the battery box, only need to pull out the aviation plug, and then the high-voltage disconnection can be easily performed. .

The battery box ensures the air circulation in the battery box through the heat dissipation vents 11 of the heat dissipation side plate 2, timely removes the gas with potential safety hazards discharged during the battery operation, improves the heat dissipation efficiency, and improves the working efficiency of the battery system in the battery box. reliability.

The above-mentioned embodiments of the present utility model are only examples for clearly illustrating the present utility model, and are not intended to limit the implementation of the present utility model. For those of ordinary skill in the art, other changes or changes in different forms can be made on the basis of the above description. It is not necessary and impossible to exhaustively list all the implementation manners here. All modifications, equivalent replacements and improvements made within the spirit and principles of the utility model shall be included in the protection scope of the claims of the utility model.

Claims (10)

1. the insulating radiation of the electronic racing car of a kind of equation type Battery case easy to assemble, including insulation box (7), lid overlay on insulation Battery box cover (8) at casing (7) opening, it is characterised in that：The insulation box (7) including box bottom (5), be symmetrical arranged A pair of side radiating plate-fins (2), the high-voltage connection foreboard (4) being oppositely arranged and back plate (9) on the box bottom (5), it is described absolutely Battery modules are provided with edge casing (7) and isolate inner panel (6) and the air-cooled clamping plate of radiator fan parallel to the side radiating plate-fin (2) (3) radiator fan that battery modules in casing are carried out with air blast cooling, is fixed with the air-cooled clamping plate of described radiator fan (3).

2. the insulating radiation of the electronic racing car of equation according to claim 1 type Battery case easy to assemble, it is characterised in that： Described box bottom (5), side radiating plate-fin (2), high-voltage connection foreboard (4) and back plate (9) in the form of splicing, each plate side Edge is provided with zigzag screens, by seamless welding final molding.

3. the insulating radiation of the electronic racing car of equation according to claim 1 type Battery case easy to assemble, it is characterised in that： The radiator fan is arranged on the air-cooled clamping plate of radiator fan (3) by bolt.

4. the insulating radiation of the electronic racing car of equation according to claim 1 type Battery case easy to assemble, it is characterised in that： Some radiatings steam vent (10) are evenly arranged with described side radiating plate-fin (2).

5. the insulating radiation of the electronic racing car of equation according to claim 1 type Battery case easy to assemble, it is characterised in that： Described insulation box (7) makes internal high pressure part isolate with external insulation by anodized.

6. the insulating radiation of the electronic racing car of equation according to claim 1 type Battery case easy to assemble, it is characterised in that： The through hole for installing wire and cable connector (11) is reserved with described high-voltage connection foreboard (4).

7. the insulating radiation of the electronic racing car of equation according to claim 1 type Battery case easy to assemble, it is characterised in that： Rectangular parallelepiped space is reserved between the air-cooled clamping plate of described radiator fan (3) and side radiating plate-fin (2).

8. the insulating radiation of the electronic racing car of equation according to claim 1 type Battery case easy to assemble, it is characterised in that： Described battery modules are isolated inner panel (6) and use epoxy plate or bakelite plate.

9. the insulating radiation of the electronic racing car of equation according to claim 1 type Battery case easy to assemble, it is characterised in that： Engraved structure is provided with described battery modules isolation inner panel (6).

10. the insulating radiation of the electronic racing car of equation according to claim 1 type Battery case easy to assemble, its feature exists In：Insulation box (7) bottom welding has the bottom bearing (1) for being bolted vehicle frame.