CN219371126U

CN219371126U - Battery system heat abstractor

Info

Publication number: CN219371126U
Application number: CN202320461947.7U
Authority: CN
Inventors: 杨立华; 王亚俊; 王福
Original assignee: Shanghai Pengyang Hydrogen Technology Co ltd
Current assignee: Shanghai Pengyang Hydrogen Technology Co ltd
Priority date: 2023-03-13
Filing date: 2023-03-13
Publication date: 2023-07-18
Anticipated expiration: 2033-03-13

Abstract

The utility model discloses a heat dissipation device of a battery system, which has the technical scheme that: the solar cell module comprises a cell box group, wherein a plurality of cell grooves are formed in the cell box group, and an air duct pipe is arranged on the top surface of the cell box group; the heat radiation assembly is arranged on one side of the air duct pipe and used for radiating heat of the battery, the air outlet pipe is arranged at the bottom of the air duct pipe and used for conveying air into the battery groove in the battery box group when the air supply fan is used for conveying the air into the air duct pipe, the air deflector is used for enabling a part of the air entering the battery groove to be shunted into the air inlet and then discharged from the side air outlets on two sides, so that the heat radiation effect is achieved on two sides of the battery in the battery groove, the overall heat radiation effect of the battery is improved, the cooling pipe is arranged, one end of the cooling pipe penetrating out from the cooling hole and one end of the cooling pipe penetrating through the backflow hole are connected with the cooling liquid conveying device, the conveying air is cooled through the cooling pipe, the temperature of the conveying air is reduced, and the heat radiation effect is improved.

Description

Battery system heat abstractor

Technical Field

The utility model relates to the technical field of battery modules, in particular to a heat dissipation device of a battery system.

Background

At present, most of base station energy storage and household energy storage systems in the market adopt B-grade battery cells or automobile-grade retired batteries, so that the heat productivity of the battery cells is increased in multiple due to abnormal pressure difference and increased internal resistance in the charging and discharging process, and the thermal runaway risk of the battery system is caused.

According to the application number: as known from the chinese patent CN201920933200.0, a heat dissipating device of a battery system is disclosed, which includes a fan and an air duct structure, wherein the fan is provided with a first air outlet; the air duct structure is a hollow pipeline structure with gradually reduced internal section, a first air inlet communicated with a first air outlet is arranged at one end with larger section, one end with smaller section is far away from the fan, and a plurality of second air outlets with consistent size are arranged at one surface of the air duct structure adjacent to the battery box. According to the battery system heat dissipation device, heat dissipation of a plurality of battery boxes can be achieved only through one air inlet, product reliability and space utilization rate are improved, the air flow rate in the battery system heat dissipation device is consistent due to the wedge-shaped air duct structure, the product design and processing technology are simplified, the same air output is ensured, and the efficient and safe uniform heat dissipation function is achieved.

There are some disadvantages to the current heat dissipation device of a battery system, for example: when wind in the air duct is conveyed from the upper end, the places where the battery pack is mainly cooled are concentrated above, and the cooling effect on the two sides of the battery pack is poor, so that the overall cooling effect of the battery pack is affected.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides a heat dissipation device of a battery system, which solves the problems that when wind in an air duct is conveyed from the upper end, the heat dissipation effect of two sides of a battery pack is poor and the whole heat dissipation effect of the battery pack is influenced because the heat dissipation place of the battery pack is mainly concentrated above.

The technical aim of the utility model is realized by the following technical scheme:

a battery system heat sink comprising: the battery box group is internally provided with a plurality of battery grooves, and the top surface of the battery box group is provided with an air duct pipe; and the heat dissipation assembly is arranged on one side of the air duct pipe and used for dissipating heat of the battery.

Through adopting above-mentioned technical scheme, through setting up radiating component, in present basic station energy storage and the domestic energy storage battery system, the battery is because the longer battery of retirement or live time, has led to improving battery system's thermal runaway risk, dispels the heat through radiating component to the battery in the group battery box, reduces battery system's thermal runaway risk.

Preferably, the heat dissipation assembly includes: the air outlet is formed in the bottom face of the air duct pipe, an air outlet pipe is fixedly sleeved in the air outlet, an air supply fan is fixedly installed on one side of the air duct pipe, the air outlet pipe corresponds to the battery groove, air deflectors are fixedly installed on two sides of the inside of the battery groove, air inlets are formed in two sides of the battery groove, a plurality of side air outlets are communicated with each other, the air inlets are communicated with the side air outlets, and a plurality of air outlets are formed in one side of the battery box group.

Through adopting above-mentioned technical scheme, through the side air outlet, in the air supply fan carries the wind air inlet duct intraductal, the play tuber pipe of wind duct bottom makes wind admission passage battery jar in the battery box group, through the aviation baffle, makes the wind part of getting into in the battery jar by the reposition of redundant personnel enter into the air intake, discharges from the side air outlet of both sides again to play the radiating effect to the battery both sides in the battery jar, improve the holistic radiating effect of battery.

Preferably, the top surface of wind channel pipe has seted up the installing port, the inside fixed mounting of installing port has the cooling plate, the cooling hole has been seted up to the top surface of cooling plate, the reflow hole has been seted up to the top surface of cooling plate, the bottom surface of cooling plate is provided with the cooling tube, the cooling tube passes from the cooling hole, the cooling tube other end passes from the reflow hole.

Through adopting above-mentioned technical scheme, through setting up the cooling tube, the one end that the cooling tube worn out from the cooling hole and the one end that the backward flow hole passed are connected with coolant conveying device, and the delivery wind cools off through the cooling tube, reduces the temperature of delivery wind, improves the radiating effect.

Preferably, a plurality of clamping rings are arranged outside the cooling pipe, and the clamping rings are fixedly connected with the cooling plate.

Through adopting above-mentioned technical scheme, through setting up the snap ring, fix the cooling tube of cooling plate bottom.

Preferably, a dust screen is arranged in the air duct pipe.

Through adopting above-mentioned technical scheme, through setting up the dust screen, when preventing that the fan from sending air, the inside of battery box group is carried to external dust, and the dust is piled up, influences the radiating effect of battery box group inside.

Preferably, the air duct pipe and two sides of the battery box group are fixedly provided with two fixing plates, the top surface of each fixing plate is provided with a threaded hole, and a bolt is connected between every two threaded holes in a threaded manner.

Through adopting above-mentioned technical scheme, through setting up the bolt, when the dust to wind channel pipe inside is cleared up, the staff can screw out the bolt in the fixed plate to conveniently dismantle wind channel pipe from the battery box group.

In summary, the utility model has the following advantages:

through the side air outlet, when the air supply fan conveys the wind into the air duct pipe, the air outlet pipe at the bottom of the air duct pipe enables the wind to enter the battery groove in the battery box group, and through the air deflector, a part of the wind entering the battery groove is shunted into the air inlet and then is discharged from the side air outlets at two sides, so that the heat dissipation effect is achieved on two sides of the battery in the battery groove, and the overall heat dissipation effect of the battery is improved.

Through setting up the cooling tube, the one end that the cooling tube was worn out from the cooling hole and the one end that the backward flow hole passed are connected with coolant conveying device, and the conveying wind cools off through the cooling tube, reduces the temperature of conveying the air supply, improves the radiating effect.

Drawings

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a schematic view of the battery pack structure of the present utility model;

FIG. 3 is a schematic view of the duct tube structure of the present utility model;

fig. 4 is a schematic diagram of a cooling plate split structure of the present utility model.

Reference numerals: 1. a battery box group; 2. a battery case; 3. an air duct pipe; 4. an air outlet; 5. an air outlet pipe; 6. a blowing fan; 7. an air deflector; 8. an air inlet; 9. a side air outlet; 10. an air outlet; 11. a mounting port; 12. a cooling plate; 13. a cooling hole; 14. a cooling tube; 15. a reflow hole; 16. a clasp; 17. a dust screen; 18. a fixing plate; 19. a threaded hole; 20. and (5) a bolt.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1, a heat dissipation device of a battery system includes: the battery box group 1, a plurality of battery grooves 2 are arranged in the battery box group 1, and an air duct pipe 3 is arranged on the top surface of the battery box group 1; the heat dissipation assembly is arranged on one side of the air duct pipe 3 and used for dissipating heat of the battery, and the heat dissipation assembly is arranged, so that the battery is retired or used for a long time in the current base station energy storage and household energy storage battery system, the thermal runaway risk of the battery system is improved, the heat dissipation assembly is used for dissipating heat of the battery in the battery box group 1, and the thermal runaway risk of the battery system is reduced.

Referring to fig. 1, 2 and 3, the heat dissipating assembly includes: the utility model provides a battery pack, including a plurality of air outlet 4, the bottom surface at wind channel pipe 3 is all offered to a plurality of air outlet 4, the inside fixed cover of air outlet 4 is equipped with air-out pipe 5, one side fixed mounting of wind channel pipe 3 has air-out fan 6, air-out pipe 6 is the structure that has been described in detail herein, air-out pipe 5 is corresponding with battery jar 2, the inside both sides of battery jar 2 are all fixed mounting has aviation baffle 7, air intake 8 has all been offered to the both sides of battery jar 2, a plurality of side air outlet 9 communicates with each other, air intake 8 communicates with each other with side air outlet 9, a plurality of air outlet 10 has been offered to one side of battery pack 1, through side air outlet 9, when air-out pipe 6 is in carrying air inlet channel pipe 3, air-out pipe 5 in wind channel pipe 3 bottom makes the wind enter battery jar 2 in the battery jar 2, through aviation baffle 7, make a part of wind that gets into battery jar 2 get into air intake 8, the side air outlet 9 of both sides of follow, thereby play air intake 8 to the battery jar 2 both sides, the radiating effect of whole, improve battery.

Referring to fig. 1 and 4, an installation opening 11 is formed in the top surface of the air duct pipe 3, a cooling plate 12 is fixedly installed in the installation opening 11, a cooling hole 13 is formed in the top surface of the cooling plate 12, a backflow hole 15 is formed in the top surface of the cooling plate 12, a cooling pipe 14 is arranged on the bottom surface of the cooling plate 12, the cooling pipe 14 penetrates through the cooling hole 13, the other end of the cooling pipe 14 penetrates through the backflow hole 15, the cooling pipe 14 is arranged, one end of the cooling pipe 14 penetrating through the cooling hole 13 and one end of the backflow hole 15 penetrate through the cooling liquid conveying device are connected, conveying air is cooled through the cooling pipe 14, the temperature of the conveying air is reduced, the heat dissipation effect is improved, a plurality of clamping rings 16 are arranged outside the cooling pipe 14, the clamping rings 16 are fixedly connected with the cooling plate 12, and the cooling pipe 14 at the bottom of the cooling plate 12 is fixed through the clamping rings 16.

Referring to fig. 1 and 2, the dust screen 17 is arranged in the air duct pipe 3, when the air supply fan 6 is prevented from supplying air, external dust is conveyed to the inside of the battery box group 1, the dust is accumulated to affect the heat dissipation effect inside the battery box group 1, two fixing plates 18 are fixedly arranged on two sides of the air duct pipe 3 and the battery box group 1, threaded holes 19 are formed in the top surfaces of the fixing plates 18, bolts 20 are connected between every two threaded holes 19 in a threaded manner, and by arranging the bolts 20, when the dust inside the air duct pipe 3 needs to be cleaned, workers can screw out the bolts 20 in the fixing plates 18, so that the air duct pipe 3 is conveniently detached from the battery box group 1.

Working principle: referring to fig. 1-4, after the air duct tube 3 is placed on the battery box 1 by a worker, after the fixing plate 18 of the air duct tube 3 is aligned with the fixing plate 18 on the battery box 1, the fixing plate 20 is screwed on to fix, when the battery system operates, the air supply fan 6 is started to convey air into the air duct tube 3, the dust screen 17 in the air duct tube 3 prevents the air supply fan 6 from conveying the air, the external dust is conveyed into the battery box 1, the air outlet pipe 5 at the bottom of the air duct tube 3 enables the air to enter the battery box 2 in the battery box 1, part of the air entering the battery box 2 is shunted into the air inlet 8 through the air deflector 7 and is discharged from the side air outlets 9 at two sides, so that the heat dissipation effect is achieved on two sides of the battery in the battery box 2, the whole heat dissipation effect of the battery is improved, the hot air is discharged from the air outlet 10 at the bottom, the two ends of the cooling pipe 14 in the air duct tube 3 are connected with the cooling liquid conveying device, the conveying air is cooled through the cooling pipe 14, the temperature of the conveying air is lowered, and the heat dissipation effect is improved.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein 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. A battery system heat dissipation device, comprising:

the battery box assembly comprises a battery box assembly (1), wherein a plurality of battery grooves (2) are formed in the battery box assembly (1), and an air duct pipe (3) is arranged on the top surface of the battery box assembly (1);

and the heat radiation component is arranged on one side of the air duct pipe (3) and used for radiating heat of the battery.

2. The battery system heat sink of claim 1, wherein the heat sink assembly comprises:

the utility model provides a plurality of air outlet (4), a plurality of air outlet (4) all offer in the bottom surface of wind channel pipe (3), the inside fixed cover of air outlet (4) is equipped with air-out pipe (5), one side fixed mounting of wind channel pipe (3) has air supply fan (6), air-out pipe (5) are corresponding with battery jar (2), inside both sides equal fixed mounting of battery jar (2) has aviation baffle (7), air intake (8) have all been offered to the both sides of battery jar (2), a plurality of side air outlet (9) communicate with each other, air intake (8) communicate with each other with side air outlet (9), a plurality of air exit (10) have been offered to one side of battery jar group (1).

3. The battery system heat dissipation device according to claim 1, wherein the top surface of the air duct pipe (3) is provided with a mounting opening (11), a cooling plate (12) is fixedly mounted in the mounting opening (11), the top surface of the cooling plate (12) is provided with a cooling hole (13), the top surface of the cooling plate (12) is provided with a backflow hole (15), the bottom surface of the cooling plate (12) is provided with a cooling pipe (14), the cooling pipe (14) penetrates through the cooling hole (13), and the other end of the cooling pipe (14) penetrates through the backflow hole (15).

4. A battery system heat sink according to claim 3, characterized in that the cooling tube (14) is provided with a number of snap rings (16) on the outside, the snap rings (16) being fixedly connected with the cooling plate (12).

5. A battery system heat sink according to claim 1, characterized in that the inside of the duct tube (3) is provided with a dust screen (17).

6. The battery system heat dissipation device according to claim 1, wherein two fixing plates (18) are fixedly installed on two sides of the air duct pipe (3) and the battery box group (1), threaded holes (19) are formed in the top surface of the fixing plates (18), and bolts (20) are connected between every two threaded holes (19) in a threaded mode.