CN215911518U

CN215911518U - Circulation cooling structure of new energy automobile power battery group

Info

Publication number: CN215911518U
Application number: CN202121806913.4U
Authority: CN
Inventors: 王安安; 王颉平; 罗文林; 杨玉强; 罗云波
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-08-04
Filing date: 2021-08-04
Publication date: 2022-02-25
Anticipated expiration: 2031-08-04

Abstract

The utility model relates to the technical field of battery cooling, in particular to a circulating cooling structure of a new energy automobile power battery pack, which comprises a battery box, a heat dissipation chamber, heat conducting fins, a heat exchange structure and a heat dissipation structure, wherein a plurality of heat conducting fins which are uniformly distributed are transversely arranged in the battery box, the heat dissipation chamber is formed between the heat conducting fins, a battery slot is formed in the middle of each heat conducting fin, the heat exchange structure is arranged in each heat conducting fin and communicated to the upper end of the battery box, the heat dissipation structures communicated with the heat dissipation chamber are arranged on two sides of the battery box, and the circulating cooling structure has the advantages that: can assist the power battery group to carry out the work of dispelling the heat through setting up the battery box, can give off the heat exchange that the group battery gived off through circulation heat radiation structure, cool down, and be provided with the heat dissipation room, heat dissipation room both ends are provided with the radiating piece, can carry out the inside ventilation cooling of battery box through the radiating piece, further increase the cooling effect to the group battery, improve the safety in utilization of group battery.

Description

Circulation cooling structure of new energy automobile power battery group

Technical Field

The utility model relates to the technical field of battery cooling, in particular to a circulating cooling structure of a power battery pack of a new energy automobile.

Background

The new energy automobile adopts unconventional automobile fuel as a power source (or adopts conventional automobile fuel and a novel vehicle-mounted power device), integrates advanced technologies in the aspects of power control and driving of the automobile, and forms an automobile with advanced technical principle, new technology and new structure.

The new energy automobile comprises four types of Hybrid Electric Vehicles (HEV), pure electric vehicles (BEV, including solar vehicles), Fuel Cell Electric Vehicles (FCEV), other new energy (such as efficient energy storage devices like super capacitors and flywheels) automobiles and the like. Unconventional automotive fuels refer to fuels other than gasoline, diesel.

Because the power battery pack of the new energy automobile can generate a large amount of heat in the use process, if the power battery pack of the new energy automobile can not be efficiently radiated, the heat can be accumulated to damage the battery pack and influence the service life, the battery pack is more likely to be spontaneously combusted, and life threats are caused to vehicle drivers, a structure capable of assisting the efficient radiation of the battery pack is needed to ensure the use safety of the battery pack, and therefore, the utility model provides a circulating cooling structure of the power battery pack of the new energy automobile for solving the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a circulating cooling structure of a new energy automobile power battery pack, which aims to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a circulation cooling structure of new energy automobile power battery group, includes battery box, radiating chamber, conducting strip, heat transfer structure and heat radiation structure, battery box inside transversely is provided with a plurality of all with the conducting strip that distributes, form the radiating chamber between the conducting strip, form the battery slot in the middle of the conducting strip, be provided with heat transfer structure in the conducting strip, heat transfer structure communicates to the battery box upper end, the battery box both sides are provided with the heat radiation structure of intercommunication radiating chamber.

Preferably, the heat exchange structure comprises a cooling coil embedded and connected inside the heat conducting fins, the upper end of the cooling coil penetrates through a box cover at the upper end of the battery box and is connected to the outside, one end of the cooling coil is communicated with a water pump, the water pump is fixedly connected to the upper end of the box cover through bolts, the other end of the water pump is communicated into a cooling water tank, the cooling water tank is fixedly connected to the box cover on one side of the water pump, the other side of the cooling water tank is communicated with a conveying water pipe, and the conveying water pipe is communicated with the other end of the cooling coil.

Preferably, carry the water pipe end to rotate and be connected with the connector, the connector end is provided with the adapter sleeve, the adapter sleeve is inside to be provided with connecting thread, the adapter sleeve passes through connecting thread fixed connection at cooling coil upper end.

Preferably, a fixing plate is arranged on the side edge of the box cover at the upper end of the battery box and fixedly connected to the upper end of the battery box main body through a bolt, a limiting insertion block is arranged in the middle of the lower end of the box cover in a protruding mode and is inserted into an opening in the upper end of the battery box, and a sealing gasket is fixedly connected to the edge of the limiting insertion block.

Preferably, the battery box side is provided with the tank wall, has seted up the vent on the tank wall of battery box both sides, inlay in the vent and be connected with heat radiation structure, heat radiation structure includes heat dissipation frame, heat dissipation frame fixed connection is in the vent, inside the leaning on outside end fixedly connected with protection frame of heat dissipation frame, fixedly connected with fan board in the middle of the heat dissipation frame, the rotation is connected with the pivot in the middle of the fan board, and motor drive is passed through in the pivot, pivot one end fixedly connected with cooling fan, the inside fixedly connected with dust screen of the heat dissipation frame other end, the inside heat dissipation room of heat dissipation frame intercommunication battery box.

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

the battery box can assist the power battery pack to perform heat dissipation work, the heat dissipated by the battery pack can be exchanged and dissipated through the circulating heat dissipation structure to cool, the heat dissipation chamber is arranged, the heat dissipation parts are arranged at two ends of the heat dissipation chamber, ventilation and heat dissipation can be performed inside the battery box through the heat dissipation parts, the cooling effect on the battery pack is further improved, and the use safety of the battery pack is improved.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged view of the structure at A in FIG. 1;

fig. 3 is an enlarged schematic view of the structure at B in fig. 1.

In the figure: 1 battery box, 2 heat dissipation chambers, 3 heat-conducting fins, 4 cooling coils, 5 battery slots, 6 heat dissipation pieces, 7 box covers, 8 water pumps, 9 cooling water tanks, 10 conveying water pipes, 11 box walls, 12 fixing plates, 13 limiting insertion blocks, 14 connectors, 15 protection frames, 16 fan frames, 17 cooling fans and 18 dustproof nets.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 to 3, the present invention provides a technical solution: a circulation cooling structure of a new energy automobile power battery pack comprises a battery box 1, a heat dissipation chamber 2, heat conducting fins 3, a heat exchange structure and a heat dissipation structure, wherein a plurality of heat conducting fins 3 which are uniformly distributed are transversely arranged inside the battery box 1, the heat dissipation chamber 2 is formed between the heat conducting fins 3, a battery slot 5 is formed in the middle of each heat conducting fin 3, the heat exchange structure is arranged in each heat conducting fin 3, the heat exchange structure is communicated to the upper end of the battery box 1, and the heat dissipation structures communicated with the heat dissipation chamber 2 are arranged on two sides of the battery box 1;

the heat exchange structure comprises a cooling coil 4 connected inside a heat conducting fin 3 in an embedded mode, the upper end of the cooling coil 4 penetrates through a box cover 7 on the upper end of a battery box 1 and is connected to the outside, one end of the cooling coil 4 is communicated with a water pump 8, the water pump 8 is fixedly connected to the upper end of the box cover 7 through a bolt, the other end of the water pump 8 is communicated into a cooling water tank 9, the cooling water tank is fixedly connected to the box cover 7 on one side of the water pump 8, the other side of the cooling water tank 9 is communicated with a conveying water pipe 10, the conveying water pipe 10 is communicated with the other end of the cooling coil 4, heat dissipated by a battery pack can be led out through the heat conducting fin 3 through the heat exchange structure, heat exchange is carried out with the cooling coil 4 through the heat conducting fin 3, the heat is taken away through cooling liquid flowing in the cooling coil 4, cooling is carried out, and the cooling effect can be effectively increased;

the tail end of the water conveying pipe 10 is rotatably connected with a connector 14, the tail end of the connector 14 is provided with a connecting sleeve, connecting threads are arranged in the connecting sleeve, the connecting sleeve is fixedly connected to the upper end of the cooling coil 4 through the connecting threads and is communicated with the cooling coil 4 through the water conveying pipe 10, the tail end of the cooling coil 4 conveniently penetrates through the box cover 7 to be communicated with the outside, and the use convenience is improved;

a fixing plate 12 is arranged on the side edge of a box cover 7 at the upper end of the battery box 1, the fixing plate 12 is fixedly connected to the upper end of a main body of the battery box 1 through bolts, a limiting insertion block 13 is arranged in the middle of the lower end of the box cover 7 in a protruding mode, the limiting insertion block 13 is inserted into an opening at the upper end of the battery box 1, a sealing gasket is fixedly connected to the edge of the limiting insertion block 13, the fixing effect can be improved through the box cover 7, the sealing performance is improved, the box cover 7 can also play a role of a mounting plate, and a cooling water tank 9 and a water pump 8 can be mounted through the box cover 7;

the side edge of the battery box 1 is provided with a box wall 11, the box walls at the two sides of the battery box 1 are provided with vents, the vents are internally embedded and connected with a heat dissipation structure, the heat dissipation structure comprises a heat dissipation frame, the heat dissipation frame is fixedly connected in the vents, the inner side of the heat dissipation frame close to the outer side is fixedly connected with a protective frame 15, the middle of the heat dissipation frame is fixedly connected with a fan frame 16, the middle of the fan frame 16 is rotatably connected with a rotating shaft, the rotating shaft is driven by a motor, one end of the rotating shaft is fixedly connected with a cooling fan 17, the inner part of the other end of the heat dissipation frame is fixedly connected with a dust screen 18, the heat dissipation frame is communicated with a heat dissipation chamber 2 in the battery box 1, the heat emitted by the battery pack can be further extracted through the heat dissipation structure, and cold air is pumped into the heat dissipation chamber 2, the battery pack is cooled, the cooling effect is improved, the using safety of the battery pack can be guaranteed, and the service life of the battery pack is prolonged.

The working principle is as follows: when the cooling box is in operation, heat emitted by the battery pack can be led out through the heat conducting fins 3 through the heat exchange structure, the heat exchange is carried out through the heat conducting fins 3 and the cooling coil 4, the heat is taken away through cooling liquid flowing in the cooling coil 4 and is cooled, the cooling effect can be effectively increased, the cooling box is communicated with the cooling coil 4 through the conveying water pipe 10, the tail end of the cooling coil 4 penetrates through the box cover 7 to be communicated with the outside, the use convenience is increased, the fixing effect can be increased through the box cover 7, the sealing performance is improved, the box cover 7 can also play a role of a mounting plate, the cooling water tank 9 and the water pump 8 can be installed through the box cover 7, the heat emitted by the battery pack can be further extracted through the heat dissipation structure, cold air is sucked into the heat dissipation chamber 2 to cool the battery pack, the cooling effect is increased, the use effect is improved, and the use safety of the battery pack can be ensured, the service life of the battery pack is prolonged.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a new energy automobile power battery pack's circulation cooling structure, includes battery box (1), heat dissipation room (2), conducting strip (3), heat transfer structure and heat radiation structure, its characterized in that: the battery box is characterized in that a plurality of heat conducting fins (3) which are evenly distributed are transversely arranged inside the battery box (1), heat dissipation chambers (2) are formed among the heat conducting fins (3), battery slots (5) are formed in the middles of the heat conducting fins (3), heat exchange structures are arranged in the heat conducting fins (3), the heat exchange structures are communicated to the upper end of the battery box (1), and heat dissipation structures communicated with the heat dissipation chambers (2) are arranged on two sides of the battery box (1).

2. The circulation cooling structure of new energy automobile power battery group of claim 1, characterized in that: the heat exchange structure comprises a cooling coil (4) which is embedded and connected inside a heat conducting fin (3), wherein the upper end of the cooling coil (4) penetrates through a box cover (7) at the upper end of a battery box (1) to be connected to the outer side, one end of the cooling coil (4) is communicated with a water pump (8), the water pump (8) is fixedly connected to the upper end of the box cover (7) through a bolt, the other end of the water pump (8) is communicated into a cooling water tank (9), the cooling water tank is fixedly connected to the box cover (7) at one side of the water pump (8), the other side of the cooling water tank (9) is communicated with a conveying water pipe (10), and the conveying water pipe (10) is communicated with the other end of the cooling coil (4).

3. The circulation cooling structure of new energy automobile power battery group of claim 2, characterized in that: the end of the conveying water pipe (10) is rotatably connected with a connector (14), the end of the connector (14) is provided with a connecting sleeve, connecting threads are arranged inside the connecting sleeve, and the connecting sleeve is fixedly connected to the upper end of the cooling coil pipe (4) through the connecting threads.

4. The circulation cooling structure of new energy automobile power battery group of claim 1, characterized in that: the battery box is characterized in that a fixing plate (12) is arranged on the side edge of a box cover (7) at the upper end of the battery box (1), the fixing plate (12) is fixedly connected to the upper end of a main body of the battery box (1) through bolts, a limiting insertion block (13) is arranged in the middle of the lower end of the box cover (7) in a protruding mode, the limiting insertion block (13) is inserted into an opening in the upper end of the battery box (1), and a sealing gasket is fixedly connected to the edge of the limiting insertion block (13).

5. The circulation cooling structure of new energy automobile power battery group of claim 1, characterized in that: the battery box (1) side is provided with tank wall (11), has seted up the vent on the tank wall of battery box (1) both sides, inlay in the vent and be connected with heat radiation structure, heat radiation structure includes heat dissipation frame, heat dissipation frame fixed connection is in the vent, inside outside fixedly connected with fender bracket (15) of leaning on of heat dissipation frame, fixedly connected with fan board (16) in the middle of the heat dissipation frame, rotate in the middle of fan board (16) and be connected with the pivot, motor drive is passed through in the pivot, pivot one end fixedly connected with cooling fan (17), the inside fixedly connected with dust screen (18) of heat dissipation frame other end, heat dissipation frame intercommunication battery box (1) inside heat dissipation room (2).