CN213150930U

CN213150930U - Cooling device for power battery

Info

Publication number: CN213150930U
Application number: CN202022490024.3U
Authority: CN
Inventors: 杭俊; 付全军
Original assignee: Hefei Huayu Smart Power Energy Co Ltd
Current assignee: Hefei Huayu Smart Power Energy Co Ltd
Priority date: 2020-11-02
Filing date: 2020-11-02
Publication date: 2021-05-07
Anticipated expiration: 2030-11-02

Abstract

The utility model discloses a power battery's cooling device belongs to power battery and joins in marriage the equipment field, and main solution power battery is in the course of the work, how in time give off thermal problem, including nest of tubes (1), produce oil tank (2), advance oil tank (3), oil pump (4), go out oil pipe (5) and advance oil pipe (6), the one end intercommunication of nest of tubes (1) go out oil tank (2), other end intercommunication advance oil tank (3), the one end intercommunication of going out oil pipe (5) go out oil tank (2), other end intercommunication oil pump (4), advance the one end intercommunication of oil pipe (6) advance oil tank (3), the other end intercommunication oil pump (4). The utility model discloses in, cooling oil and power battery in silica gel pad and the nest of tubes fully contact, and the heat that power battery work produced is taken away in the circulation of cooling oil, reaches the cooling effect, and removable, reduces use cost.

Description

Cooling device for power battery

Technical Field

The utility model relates to a power battery corollary equipment field, more specifically say, the utility model relates to a power battery's cooling device.

Background

The power battery is for some vehicles, like the storage battery that provides power such as electric automobile, electric bicycle and golf car, and is rechargeable mostly, in the in-process that the power battery lasts discharge, can produce a large amount of heats, the discharge performance of power battery, life is also relevant with the temperature of self, if the heat that the power battery discharge process produced can't in time distribute, can influence power battery and normally discharge, also can reduce power battery's life, even produce the potential safety hazard, if take place spontaneous combustion.

Therefore, a cooling device for power batteries is needed.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a power battery's cooling device mainly solves power battery in the course of the work, how in time give off thermal problem.

The utility model provides a cooling device for power batteries, which comprises a pipe group, an oil outlet tank, an oil inlet tank, an oil pump, an oil outlet pipe and an oil inlet pipe, wherein one end of the pipe group is communicated with the oil outlet tank, and the other end is communicated with the oil inlet tank;

the upper surface of nest of tubes still is provided with the silica gel pad, it all overlaps on oil pipe and the oil pipe to be equipped with a plurality of radiating rings to go out, the side of radiating ring is provided with a plurality of fin that are circumference, equidistant range.

In a preferred embodiment, the oil outlet tank and the oil inlet tank are respectively provided with an oil inlet and an oil outlet.

In a preferred embodiment, the tube set comprises a plurality of single tubes which are adjacent to each other, the single tubes are all U-shaped, and a temperature sensor is arranged between the tube set and the silica gel pad.

In a preferred embodiment, the oil outlet pipe, the oil inlet pipe, the heat dissipation ring and the heat dissipation fins are all made of materials with good heat conduction performance.

In a preferred embodiment, the heat sink is sheet-like.

In a preferred embodiment, the temperature sensor and the oil pump are both electrically connected to the electronic control unit of the power-supplied main body.

The utility model discloses a technological effect and advantage:

the cooling oil in silica gel pad and the nest of tubes fully contacts with power battery, fully exchanges heat with power battery, can take away the heat that power battery work produced, and cooling oil passes through radiating ring, fin fully and air heat exchange, reduces self temperature, and cooling oil circulation flows, takes away the heat, and it is effectual to cool down, and cooling oil is removable, use cost is low.

The temperature sensor monitors the temperature of the power battery in real time so as to adjust the motor rotating speed of the oil pump, and the oil pump is energy-saving and environment-friendly.

Drawings

FIG. 1 is a top view of the whole;

FIG. 2 is a front view of the whole;

FIG. 3 is a schematic view of a heat sink ring.

Description of reference numerals: 1. a tube set; 11. a single tube; 12. a silica gel pad; 13. a temperature sensor; 2. discharging the oil tank; 21. mounting blocks; 22. an oil inlet; 23. an oil outlet; 3. an oil inlet box; 4. an oil pump; 5. an oil outlet pipe; 6. an oil inlet pipe; 7. a heat dissipation ring; 71. and a heat sink.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments. The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.

A cooling device for a power battery is shown in figures 1-3 and comprises a pipe group 1, an oil outlet tank 2, an oil inlet tank 3, an oil pump 4, an oil outlet pipe 5 and an oil inlet pipe 6, wherein one end of the pipe group 1 is communicated with the oil outlet tank 2, the other end of the pipe group is communicated with the oil inlet tank 3, one end of the oil outlet pipe 5 is communicated with the oil outlet tank 2, the other end of the oil outlet pipe is communicated with the oil pump 4, one end of the oil inlet pipe 6 is communicated with the oil inlet tank 3, and the other end of;

the oil pump 4 works, the cooling oil in the oil outlet tank 2 sequentially passes through the oil outlet pipe 5, the oil pump 4, the oil inlet pipe 6, the oil inlet tank 3 and the pipe group 1, and then enters the oil outlet tank 2, so that the circulation flow of the cooling oil is realized, and the heat is taken away when the cooling oil flow is in the pipe group 1.

The upper surface of nest of tubes 1 still is provided with silica gel pad 12, and silica gel pad 12 glues and glues at nest of tubes 1 upper surface, and silica gel pad 12 fully contacts power battery, carries out the heat exchange, and when silica gel pad 12 live time was longer, when heat dispersion reduced, removable new silica gel pad 12 all overlaps on going out oil pipe 5 and advancing oil pipe 6 and is equipped with a plurality of radiating rings 7, and the side of radiating ring 7 is provided with a plurality of fin 71 that are circumference, equidistant range.

Go out the oil tank 2 and all be provided with installation piece 21 with the both sides of advancing oil tank 3, set up the screw hole in the installation piece 21, through installation piece 21, can fix the bottom that receives the power supply main part with going out oil tank 2 and advancing oil tank 3, on electric automobile's the chassis, be about to whole cooling device fix on the chassis, it does not be provided with oil inlet 22 and oil-out 23 to go out oil tank 2 and advance to equally divide on the oil tank 3, after cooling oil long-time use, when the cooling performance variation, emit cooling oil through oil-out 23, new cooling oil is poured into to rethread oil inlet 22.

Nest of tubes 1 includes a plurality of single tubes 11 that abut each other, single tube 11 all is the U type, whole nest of tubes 1 is the U type promptly, nest of tubes 1 is along with going out oil tank 2, when advancing oil tank 3 monolithic fixation on the electric automobile chassis, power battery wholly is located the notch of U type, and laminating silica gel pad 12, contact nest of tubes 1 promptly, it is provided with temperature sensor 13 to be located between nest of tubes 1 and the silica gel pad 12, temperature sensor 13's model is LTC2983ILX # PBF, a temperature for real-time detection silica gel pad 12 and nest of tubes 1 between.

The oil outlet pipe 5, the oil inlet pipe 6, the heat dissipating ring 7 and the heat dissipating fins 71 are made of a material having a good heat conductivity, such as aluminum and/or copper, the cooling oil between the oil outlet pipe 5 and the oil inlet pipe 6 can exchange heat with the heat dissipating ring 7, and the heat of the heat dissipating ring 7 is dissipated to the air through the heat dissipating fins 71.

The heat dissipation fins 71 are thin and flat to contact air sufficiently, and when a power-supplied body such as an electric vehicle travels, the air passes through the gaps between the adjacent heat dissipation fins 71 to rapidly remove heat.

The temperature sensor 13 and the oil pump 4 are both electrically connected to an electronic control unit of a power supply subject, such as an ECU in a vehicle, the temperature sensor 13 transmits the sensed temperature to the vehicle ECU, and the vehicle ECU adjusts the rotation speed of the oil pump 4 according to a preset optimal working temperature range, that is, when the temperature is high, the rotation speed of the oil pump 4 is accelerated, and when the temperature is low, the rotation speed of the oil pump 4 is slowed or stopped.

In conclusion, the whole cooling device is fixed on the chassis of the electric automobile, the silica gel pad 12 and the tube group 1 are fully attached to the power battery, cooling oil circularly flows in the tube group 1, heat dissipated by the power battery during working is taken away, and the cooling effect is achieved.

It is obvious that the described embodiments are only some of the embodiments of the present invention, and not all of them. Based on the embodiments in the present disclosure, all other embodiments obtained by a person of ordinary skill in the art and related fields without creative efforts shall fall within the protection scope of the present disclosure. The structures, devices, and methods of operation of the present invention, not specifically described and illustrated, are generally practiced by those of ordinary skill in the art without specific recitation or limitation.

Claims

1. The cooling device for the power battery is characterized by comprising a pipe group (1), an oil outlet tank (2), an oil inlet tank (3), an oil pump (4), an oil outlet pipe (5) and an oil inlet pipe (6), wherein one end of the pipe group (1) is communicated with the oil outlet tank (2), the other end of the pipe group is communicated with the oil inlet tank (3), one end of the oil outlet pipe (5) is communicated with the oil outlet tank (2), the other end of the oil outlet pipe is communicated with the oil pump (4), one end of the oil inlet pipe (6) is communicated with the oil inlet tank (3), and the other end of the oil inlet pipe is communicated with the oil pump;

the upper surface of nest of tubes (1) still is provided with silica gel pad (12), it all overlaps on oil pipe (5) and the oil pipe (6) is equipped with a plurality of radiating rings (7) to go out oil pipe, the side of radiating ring (7) is provided with a plurality of fin (71) that are circumference, equidistant range.

2. The cooling device for power battery according to claim 1, wherein the two sides of the oil outlet tank (2) and the oil inlet tank (3) are respectively provided with a mounting block (21), and the oil outlet tank (2) and the oil inlet tank (3) are respectively provided with an oil inlet (22) and an oil outlet (23).

3. The cooling device for the power battery according to claim 2, wherein the tube bank (1) comprises a plurality of single tubes (11) which are adjacent to each other, the single tubes (11) are all U-shaped, and a temperature sensor (13) is arranged between the tube bank (1) and the silica gel pad (12).

4. The cooling device for power battery according to claim 3, wherein the oil outlet pipe (5), the oil inlet pipe (6), the heat dissipation ring (7) and the heat dissipation fins (71) are made of material with good heat conductivity.

5. The cooling device for power battery according to claim 4, characterized in that the heat sink (71) is in a sheet shape.

6. The cooling device for the power battery according to claim 5, wherein the temperature sensor (13) and the oil pump (4) are both electrically connected with the electronic control unit of the power supply main body.