CN219040566U

CN219040566U - Battery heat abstractor of new energy automobile

Info

Publication number: CN219040566U
Application number: CN202223058141.8U
Authority: CN
Inventors: 黄彩娟; 徐云志; 陈辉乾; 蒋卫东
Original assignee: Yulin Agricultural School Of Guangxi
Current assignee: Yulin Agricultural School Of Guangxi
Priority date: 2022-11-17
Filing date: 2022-11-17
Publication date: 2023-05-16
Anticipated expiration: 2032-11-17

Abstract

The utility model provides a battery heat dissipation device of a new energy automobile, which comprises: the battery box comprises a box body, a battery cavity and a partition plate, wherein the battery cavity is separated from the inside of the box body through the partition plate which is fixedly connected, a first ventilation groove is formed in the bottom of the box body, the first ventilation groove is communicated with the bottom of the battery cavity through a second ventilation groove, a first heat dissipation groove is symmetrically formed in the side faces of two sides of the battery cavity, the bottom of the battery cavity and the lower surface of a fixing plate are fixedly connected with a limiting plate, the fixing plate is fixedly connected in a fixing frame, the fixing frame is fixedly connected to the upper surface of the box body, a second cooling groove is formed in the partition plate, two ends of the second cooling groove are communicated with the first cooling groove, the first cooling groove is formed in the side wall of the box body, a water inlet of the first cooling groove is communicated with a liquid separation box, and a water outlet of the first cooling groove is communicated with a liquid storage box. According to the utility model, the heat dissipation efficiency can be effectively improved by adopting an air cooling and water cooling dual heat dissipation mode.

Description

Battery heat abstractor of new energy automobile

Technical Field

The utility model relates to the technical field of battery heat dissipation devices, in particular to a battery heat dissipation device of a new energy automobile.

Background

The power battery is widely applied to products such as electric cars, electric motorcycles, electric bicycles, solar energy, mobile communication terminal products and energy storage; the battery is used as the core of the electric automobile, the application range of the battery is limited by the self use temperature of the battery, and most of batteries used by the new energy automobile are assembled into a battery pack by combining a plurality of batteries, and the currently commonly adopted heat dissipation device generally strengthens ventilation around the battery.

Through retrieval, a battery heat dissipation device (application number: CN 201921639911.3) for a new energy automobile disclosed in the prior art is described in the specification that' a battery is arranged in a box body, a heat dissipation fin is arranged outside the battery, a heat conduction plate is arranged outside the heat dissipation fin, a mounting frame is arranged at the bottom of the heat conduction plate, the mounting frame is fixedly connected with the heat conduction plate, a heat dissipation fan is fixedly connected inside the mounting frame, a water tank is arranged at the bottom of an inner cavity of the box body, the water tank is fixedly connected with one side wall inside the box body, a water pump is fixedly connected at the top of the water tank, a coil is arranged inside the heat conduction plate, and a first valve body is fixedly connected on the coil; "; this heat abstractor makes water at the inside circulation flow of coil pipe through the water pump, and the heat of water absorption heat-conducting plate is inside, coils the coil pipe and hides at the heat-conducting plate, can improve the efficiency of cooling, starts radiator fan, and radiator fan rotates the convection current that forms the air, compact structure, and the cooling effect is better, but this heat abstractor can carry out good heat dissipation to battery all around's outside, but the radiating effect is relatively poor to the middle part of battery.

Disclosure of Invention

In order to overcome the defects in the prior art, a battery heat dissipation device of a new energy automobile is provided to solve the problems in the prior art.

In order to achieve the above object, a battery heat dissipation device of a new energy automobile is provided, comprising: the battery box comprises a box body, a battery cavity and a partition plate, wherein the battery cavity is separated from the inside of the box body through the partition plate which is fixedly connected, a first ventilation groove is formed in the bottom of the box body, the first ventilation groove is communicated with the bottom of the battery cavity through a second ventilation groove, meanwhile, the side face of the box body is fixedly connected with a liquid storage box, one side of the liquid storage box, which is close to the box body, is fixedly connected with a liquid separation box, the side faces of the two sides of the battery cavity are symmetrically provided with a first heat dissipation groove, the bottom of the battery cavity and the lower surface of a fixing plate are fixedly connected with a limiting plate, the fixing plate is fixedly connected with the inside of a box cover, meanwhile, the upper surface of the box cover is symmetrically provided with a second heat dissipation groove, the upper end of the second heat dissipation groove is fixedly connected with a dust screen, the lower surface of the box cover is fixedly connected with a fan, the partition plate is internally provided with a second cooling groove, the two ends of the second cooling groove are communicated with the first cooling groove, the first cooling groove is arranged in the side wall of the box, the water inlet of the first cooling groove is communicated with the liquid separation box, and the water outlet of the first cooling groove is communicated with the liquid storage box.

Preferably, four component separation plates are fixedly connected in the box body at equal intervals in parallel, each four component separation plate is of a square structure, and the height of each separation plate is equal to the depth of the box body.

Preferably, the battery cavity is of a rectangular structure, three groups of first radiating grooves are respectively formed in parallel and equidistant on two sides of the battery cavity, the first radiating grooves are of a rectangular structure, and the upper ends of the first radiating grooves are communicated with the upper surface of the box body.

Preferably, the cross section of limiting plate is isosceles trapezoid structure, and the middle part fixed connection buffer layer of limiting plate.

Preferably, a plurality of groups of first cooling grooves are formed in the side wall of the box body at equal intervals in parallel, the first cooling grooves are of a C-shaped structure, the cross section of the first cooling grooves is of a square structure, and meanwhile, the height of one end, close to the liquid storage tank, of the first cooling grooves is lower than that of the other end of the first cooling grooves.

Preferably, the second cooling groove is correspondingly formed in the partition plate at a position opposite to the first cooling groove, the cross section of the bottom of the second cooling groove is in a triangular structure, and the heights of the two ends of the bottom of the second cooling groove are smaller than those of the middle.

Preferably, the lower end of the box body is provided with five groups of first ventilation grooves in parallel and equidistant mode, two ends of the five groups of first ventilation grooves are respectively communicated with the side faces of two sides of the box body, and the position of the box body relative to the first ventilation grooves is fixedly connected with a dust screen.

Compared with the prior art, the utility model has the beneficial effects that: the cooling tank I that evenly offers in the box carries out corresponding heat dissipation through the outside that can the battery, and through fan, cooling tank I, ventilation tank I and ventilation tank II's cooperation makes the air current that flows can carry out supplementary heat dissipation to the battery, and the cooling tank II that offers in the division board can carry out corresponding heat dissipation between the battery of group battery inside, thereby avoid the problem that the heat at group battery middle part is difficult to scatter, through dual radiating mode, can effectively improve the radiating effect, simultaneously, through limiting plate, the buffer layer, the cooperation of fixed plate and fixed frame, can fix the battery at the battery intracavity, the influence of vibrations to the battery can effectively be weakened to the structure of limiting plate and buffer layer moreover, thereby reduce the probability of battery damage.

Drawings

Fig. 1 is a schematic front view of an embodiment of the present utility model.

Fig. 2 is a schematic side view of an embodiment of the present utility model.

Fig. 3 is a schematic top view of an embodiment of the present utility model.

FIG. 4 is a schematic diagram showing the front view of an embodiment of the present utility model

Fig. 5 is an enlarged schematic view at a of fig. 1 according to an embodiment of the present utility model.

In the figure: 1. a case; 2. a first cooling tank; 3. a battery cavity; 4. a first heat dissipation groove; 5. a partition plate; 6. a second cooling tank; 7. a limiting plate; 8. a fixing plate; 9. a case cover; 10. a blower; 11. a second heat dissipation groove; 12. a refrigeration assembly; 13. a liquid storage tank; 14. a first ventilation groove; 15. a liquid separating box; 16. a ventilation groove II; 17. a dust-proof net.

Detailed Description

Other advantages and effects of the present utility model will become apparent to those skilled in the art from the following disclosure, which describes the embodiments of the present utility model with reference to specific examples. The utility model may be practiced or carried out in other embodiments that depart from the specific details, and the details of the present description may be modified or varied from the spirit and scope of the present utility model.

Referring to fig. 1 to 5, the present utility model provides a battery heat dissipation device for a new energy automobile, comprising: the box 1, battery chamber 3 and division board 5, the inside division board 5 through fixed connection of box 1 divides battery chamber 3, be used for placing the battery in the battery chamber 3, establish ties through the wire between two adjacent battery chambers 3, and ventilation groove one 14 is offered to box 1 bottom, ventilation groove one 14 communicates battery chamber 3 bottom through ventilation groove two 16, box 1 side fixed connection liquid reserve tank 13 simultaneously, liquid reserve tank 13 one side fixed connection refrigeration subassembly 12, refrigeration subassembly 12 is the refrigerator, the cold junction of this refrigerator is located liquid reserve tank 13, the hot junction is located liquid reserve tank 13 outside, liquid reserve tank 13 is close to one side fixed connection branch liquid tank 15 of box 1, branch liquid tank 15 bottom communicates with liquid reserve tank 13 inner wall bottom through the conveyer pipe, and be connected with circulating water pump on the conveyer pipe, the cooling tank one 4 is offered to the side symmetry of battery chamber 3 both sides, battery chamber 3 bottom and fixed plate 8 lower surface all fixed connection limiting plate 7, and fixed plate 8 fixed connection are in the inside of case lid 9, case lid 9 lid is at box 1's upper surface, concrete case lid 9 accessible case lid 1 connects the side, two side fixed connection liquid reserve tank 11, cooling tank 2 side-by two side wall 5, cooling tank 2 side-by side cooling tank 1, cooling tank 2 intercommunication two cooling tank 2, cooling tank 2 is offered at the side wall 2, cooling tank 2 inside cooling tank 2, cooling tank 2 is offered to the side-down, cooling tank 2 is offered to the cooling tank 2.

In this embodiment, the battery generates corresponding heat in the charge and discharge process, and the battery is electrically connected with the fan 10, the circulating water pump and the refrigeration component 12 respectively, then the fan 10, the circulating water pump and the refrigeration component 12 are started, the hot air in the box 1 can be discharged out of the box 1 through the second heat dissipation groove 11 in the working process, meanwhile, the outside air can flow into the first ventilation groove 14 and flow into the battery cavity 3 through the first ventilation groove, the first heat dissipation groove 4 is formed in the side face of the battery cavity 3 for corresponding flow, air cooling heat dissipation circulation is formed, the circulating water pump can input the cooling liquid in the liquid storage box 13 into the corresponding first cooling groove 2 through the liquid distribution box 15, the cooling liquid can flow into the partition plate 5 through the second cooling groove 6, the water outlet of the first cooling groove 2 flows back into the liquid storage box 13, meanwhile, the cooling liquid in the liquid storage box 13 can perform corresponding refrigeration treatment under the action of the refrigeration component 12, therefore, the heat dissipation effect of water cooling circulation is ensured, the heat dissipation effect of the device can be effectively improved through the double circulation interaction, and meanwhile, the buffer layer and the battery 3 can have a corresponding heat dissipation structure through the cooperation of the limiting plate 7 and the buffer layer.

As a preferred embodiment, four component partition boards 5 are fixedly connected in parallel at equal intervals in the box body 1, the four component partition boards 5 are of square structures, the height of each partition board 5 is equal to the depth of the box body 1, and a structure with a horizontal section in a shape of a Chinese character 'mu'.

In this embodiment, as shown in fig. 1 and 3, five groups of battery cavities 3 are separated from each other by a partition plate 5 in the case 1, so that corresponding intervals are provided between the battery groups, thereby facilitating improvement of the heat dissipation effect in the middle of the battery group.

As a preferred embodiment, the battery cavity 3 is in a rectangular structure, two sides of the battery cavity 3 are respectively provided with three groups of heat dissipation grooves 4 at equal intervals in parallel, the heat dissipation grooves 4 are in a rectangular structure, and the upper ends of the heat dissipation grooves 4 are communicated with the upper surface of the box body 1.

In this embodiment, as shown in fig. 1 and fig. 2, the first heat dissipation groove 4 is formed in the side surface of the battery cavity 3, so that air flow can flow in the battery cavity 3 correspondingly, thereby facilitating corresponding air cooling and heat dissipation of the battery, and meanwhile, the battery cavity 3 and the battery are adapted in size, so that shaking of the battery is avoided.

As a preferred embodiment, the cross section of the limiting plate 7 is in an isosceles trapezoid structure, the middle part of the limiting plate 7 is fixedly connected with a buffer layer, and the buffer layer is made of rubber.

In this embodiment, as shown in fig. 2 and 5, the trapezoid structure of the limiting plate 7 makes the limiting plate 7 able to attenuate vibration correspondingly through its deformation, and then able to assist the limiting plate 7 to perform corresponding buffer protection on the battery, so as to reduce adverse effects of vibration on the battery.

As a preferred embodiment, a plurality of groups of cooling grooves 1 are formed in the side wall of the box body 1 at equal intervals in parallel, the cooling grooves 2 are of a C-shaped structure, the cross section of the cooling groove 2 is of a square structure, and meanwhile, the height of one end, close to the liquid storage tank 13, of the cooling groove 2 is lower than that of the other end of the cooling groove 2.

In this embodiment, as shown in fig. 1, one end of the cooling tank 1, which is close to the liquid storage tank 13, is inclined obliquely downward, so that when the cooling liquid is convenient to replace, the old cooling liquid does not remain in the cooling tank 2, the problem of mixing of the old cooling liquid and the new cooling liquid is avoided, meanwhile, the cooling liquid is a non-flammable liquid with large specific heat capacity, such as water, preferably carbon tetrachloride, and the cooling liquid is cooled, and then the heat released by the battery is absorbed by the cooling liquid.

In a preferred embodiment, the partition plate 5 is correspondingly provided with a second cooling groove 6 at a position corresponding to the first cooling groove 2, the cross section of the bottom of the second cooling groove 6 is in a triangular structure, and the heights of the two ends of the bottom of the second cooling groove 6 are smaller than the middle height.

In this embodiment, as shown in fig. 1 and 2, the cooling tank two 6 is structured, so that the cooling liquid can be completely discharged out of the cooling tank two 6, thereby avoiding that the old cooling liquid remains in the partition plate 5 when the cooling liquid is replaced, and meanwhile, the heat dissipation effect of the battery can be optimized and the heat accumulated in the middle of the battery can be reduced through the cooperation of the partition plate 5 and the box body 1.

As a preferred embodiment, five sets of first ventilation grooves 14 are formed in parallel and equidistant at the lower end of the box body 1, two ends of the five sets of first ventilation grooves 14 are respectively communicated with two side surfaces of the box body 1, the position of the box body 1 relative to the first ventilation grooves 14 is fixedly connected with a dust screen 17, specifically, the dust screen 17 is installed in a through hole formed in the box body 1, and the through hole is communicated with the first ventilation grooves 14.

In this embodiment, as shown in fig. 1 and fig. 2, the first ventilation grooves 14 are communicated with the through holes, so that the dust-proof net can be installed on the first five groups of ventilation grooves 14 conveniently and uniformly, multiple groups of dust-proof nets are avoided to be installed, and the installation steps are simplified.

According to the battery heat dissipation device of the new energy automobile, through double heat dissipation of air cooling and water cooling, the heat dissipation effect can be effectively improved, the heat accumulated in the middle of the battery can be reduced, the overall heat dissipation effect of the battery is improved, and the battery is provided with a corresponding buffer structure while air cooling circulation is ensured.

Claims

1. A battery heat sink for a new energy automobile, comprising: box (1), battery chamber (3) and division board (5), its characterized in that: the battery cavity (3) is separated from the inside of the box body (1) through a partition plate (5) which is fixedly connected, a first ventilation groove (14) is formed in the bottom of the box body (1), the first ventilation groove (14) is communicated with the bottom of the battery cavity (3) through a second ventilation groove (16), meanwhile, a liquid storage tank (13) is fixedly connected to the side face of the box body (1), a refrigerating assembly (12) is fixedly connected to one side of the liquid storage tank (13) close to the box body (1), a first cooling groove (4) is symmetrically formed in the side face of the two sides of the battery cavity (3), the bottom of the battery cavity (3) and the lower surface of a fixed plate (8) are fixedly connected with a limiting plate (7), the fixed plate (8) is fixedly connected to the inside of the box cover (9), the box cover (9) is covered on the upper surface of the box body (1), a second cooling groove (11) is symmetrically formed in the surface of the box cover (9), the upper end of the second cooling groove (11) is fixedly connected with a dustproof net (17), the lower surface of the box cover (9) is fixedly connected with a fan (10) opposite to the side face of the second groove (11), the two cooling grooves (6) are formed in the two side walls (6) of the first cooling groove (6) are fixedly connected with the first cooling groove (6) and the two side walls (2) are respectively formed in the cooling groove (2), the water inlet of the first cooling tank (2) is communicated with the liquid separating tank (15), and the water outlet of the first cooling tank (2) is communicated with the liquid storage tank (13).

2. The battery heat dissipation device of the new energy automobile according to claim 1, wherein four component separators (5) are fixedly connected in the box body (1) at equal intervals in parallel, the four component separators (5) are of square structures, and the height of each separator (5) is equal to the depth of the box body (1).

3. The battery heat dissipation device of the new energy automobile according to claim 1, wherein the battery cavity (3) is of a rectangular structure, three groups of heat dissipation grooves (4) are respectively formed in parallel and equidistant on two sides of the battery cavity (3), the heat dissipation grooves (4) are of a rectangular structure, and the upper ends of the heat dissipation grooves (4) are communicated with the upper surface of the box body (1).

4. The battery heat dissipation device of the new energy automobile according to claim 1, wherein the cross section of the limiting plate (7) is of an isosceles trapezoid structure, and the middle part of the limiting plate (7) is fixedly connected with the buffer layer.

5. The battery heat dissipation device of the new energy automobile according to claim 1, wherein a plurality of groups of cooling grooves I (2) are formed in the side wall of the box body (1) at equal intervals in parallel, the cooling grooves I (2) are of a C-shaped structure, the cross section of the cooling grooves I (2) is of a square structure, and meanwhile, the height of one end, close to the liquid storage tank (13), of the cooling grooves I (2) is lower than that of the other end of the cooling grooves I (2).

6. The battery heat dissipation device of the new energy automobile according to claim 1, wherein the second cooling groove (6) is correspondingly arranged at the position of the partition plate (5) corresponding to the first cooling groove (2), the cross section of the bottom of the second cooling groove (6) is in a triangular structure, and the heights of the two ends of the bottom of the second cooling groove (6) are smaller than the middle height.

7. The battery heat dissipation device of the new energy automobile according to claim 1, wherein five groups of first ventilation grooves (14) are formed in parallel and equidistant at the lower end of the box body (1), two ends of the five groups of first ventilation grooves (14) are respectively communicated with the side surfaces of two sides of the box body (1), and the position of the box body (1) relative to the first ventilation grooves (14) is fixedly connected with a dust screen (17).