CN213483897U

CN213483897U - Cooling device for power battery pack

Info

Publication number: CN213483897U
Application number: CN202022673337.2U
Authority: CN
Inventors: 刘华珠; 陈雪芳; 林盛鑫; 赵晓芳; 廖春萍
Original assignee: Dongguan University of Technology
Current assignee: Dongguan University of Technology
Priority date: 2020-11-18
Filing date: 2020-11-18
Publication date: 2021-06-18
Anticipated expiration: 2030-11-18

Abstract

The utility model discloses a cooling device for power battery pack in the technical field of battery pack cooling, which comprises an installation shell, wherein the rear side of the top of the installation shell is rotatably connected with an upper cover plate through a hinge, the right side of the inner cavity of the installation shell is fixedly connected with a cooling liquid box, the top of the cooling liquid box penetrates through the installation shell and extends to the outside of the installation shell, and the left side of the cooling liquid box is fixedly connected with a battery pack placing plate; the utility model discloses the inner chamber of first condenser pipe can be poured into with the coolant liquid of coolant liquid tank inner chamber to the water pump that is equipped with, the cooperation of rethread condenser and second condenser pipe refrigerates the coolant liquid, make first condenser pipe and second condenser pipe distribute air conditioning, set up through motor and flabellum again, blow the cold gas that first condenser pipe and second condenser pipe distribute to the top that the board was placed to the battery package, the battery package of placing the board top to the battery package dispels the heat, the realization is the refrigerated effect of battery with higher speed.

Description

Cooling device for power battery pack

Technical Field

The utility model relates to a battery package cooling technology field specifically is a cooling device for power battery package.

Background

The power battery is a power supply for providing a power source for tools, and is mainly different from a starting battery for starting an automobile engine, and a valve port sealed lead-acid battery, an open tubular lead-acid battery and a lithium iron phosphate battery are adopted;

a large amount of heat can appear after using a period of time in the battery package, however the cooling methods of current are mostly natural cooling, and this kind of cooling method cooling time is long, and can not cool off the battery fast, reduces battery life easily, for this reason, we propose a cooling device for power battery package.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a cooling device for power battery package to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a cooling device for a power battery pack comprises an installation shell, wherein the rear side of the top of the installation shell is rotatably connected with an upper cover plate through a hinge, the right side of an inner cavity of the installation shell is fixedly connected with a cooling liquid box, the top of the cooling liquid box penetrates through the installation shell and extends to the outside of the installation shell, the left side of the cooling liquid box is fixedly connected with a battery pack placing plate, one side, away from the cooling liquid box, of the battery pack placing plate is fixedly connected with the inner wall of the installation shell, a through pipe penetrates through the surface of the battery pack placing plate, a motor is arranged in the inner cavity of the through pipe, fan blades are welded at the output end of the motor, a grid plate is fixedly connected with the top of the through pipe inner cavity, a water pump is installed at the front side of the bottom of the cooling liquid box inner cavity, a condenser is installed at the left side of, the one end that water pump water outlet end was kept away from to first condenser pipe runs through the coolant liquid case and communicates with the input of condenser, the output intercommunication of condenser has the second condenser pipe, the one end that the condenser output was kept away from to the second condenser pipe communicates with the left bottom of coolant liquid case.

Preferably, the controller is installed at the left top of coolant liquid case, the rear surface mounting of installation casing inner chamber has temperature sensor, temperature sensor's electrical output end and the electrical input electric connection of controller, the electrical output of controller pass through the wire respectively with the electrical input electric connection of motor, water pump and condenser.

Preferably, the top of the upper cover plate is provided with an air exchange groove, and the inner cavity of the air exchange groove is provided with a dustproof screen plate.

Preferably, the top of the cooling liquid tank is communicated with a liquid feeding pipe, and the top of the liquid feeding pipe is provided with a cover plate.

Preferably, the both sides of upper cover plate front surface all fixedly connected with buckle, the both sides all fixedly connected with fixture block of installation casing front surface, buckle and fixture block joint.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses the inner chamber of first condenser pipe can be poured into with the coolant liquid of coolant liquid tank inner chamber to the water pump that is equipped with, the cooperation of rethread condenser and second condenser pipe refrigerates the coolant liquid, make first condenser pipe and second condenser pipe distribute air conditioning, the setting of passing through motor and flabellum again, blow the cold gas that first condenser pipe and second condenser pipe distribute to the top that the board was placed to the battery package, the battery package of placing the board top to the battery package dispels the heat, the realization is the refrigerated effect of battery with higher speed, thereby effectual current cooling methods of having solved is natural cooling mostly, this kind of cooling method cooling time is long, and can not cool off the battery fast, reduce battery life's problem easily.

Drawings

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

fig. 2 is a schematic structural view of a battery pack placing plate of the present invention;

fig. 3 is a schematic sectional view of the through pipe of the present invention;

fig. 4 is a schematic top view of the condenser of the present invention.

In the figure: 1. installing a shell; 2. an upper cover plate; 3. a coolant tank; 4. a battery pack placement plate; 5. pipe passing; 6. a motor; 7. a fan blade; 8. a grid plate; 9. a water pump; 10. a condenser; 11. a first condenser pipe; 12. a second condenser pipe; 13. a controller; 14. a temperature sensor; 15. a ventilation groove; 16. a liquid feeding pipe; 17. buckling; 18. and (7) clamping blocks.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1, fig. 2, fig. 3 and fig. 4, the present invention provides a technical solution: a cooling device for a power battery pack comprises an installation shell 1, an upper cover plate 2 is rotatably connected to the rear side of the top of the installation shell 1 through a hinge, a cooling liquid tank 3 is fixedly connected to the right side of an inner cavity of the installation shell 1, the top of the cooling liquid tank 3 penetrates through the installation shell 1 and extends to the outside of the installation shell 1, a battery pack placing plate 4 is fixedly connected to the left side of the cooling liquid tank 3, one side, away from the cooling liquid tank 3, of the battery pack placing plate 4 is fixedly connected with the inner wall of the installation shell 1, a through pipe 5 is arranged on the surface of the battery pack placing plate 4 in a penetrating mode, a motor 6 is arranged in the inner cavity of the through pipe 5, fan blades 7 are welded at the output end of the motor 6, a grid plate 8 is fixedly connected to the top of the inner cavity of the through pipe 5, a water pump 9 is installed on the front side of the bottom of the inner cavity, one end of the first condensation pipe 11, which is far away from the water outlet end of the water pump 9, penetrates through the cooling liquid tank 3 and is communicated with the input end of the condenser 10, the output end of the condenser 10 is communicated with the second condensation pipe 12, and one end of the second condensation pipe 12, which is far away from the output end of the condenser 10, is communicated with the left bottom of the cooling liquid tank 3.

Referring to fig. 2, a controller 13 is installed at the top of the left side of the cooling liquid tank 3, a temperature sensor 14 is installed on the rear surface of the inner cavity of the installation shell 1, an electrical output end of the temperature sensor 14 is electrically connected with an electrical input end of the controller 13, and an electrical output end of the controller 13 is electrically connected with electrical input ends of the motor 6, the water pump 9 and the condenser 10 through wires, so that the temperature of the inner cavity of the installation shell 1 can be detected, and when the temperature is too high, the motor 6, the water pump 9 and the condenser 10 are automatically turned on to work to cool the battery pack;

referring to fig. 1, a ventilation groove 15 is formed in the top of the upper cover plate 2, and a dustproof mesh plate is installed in an inner cavity of the ventilation groove 15, so that hot air in the inner cavity of the installation shell 1 can be discharged, and the situation that the temperature in the inner cavity of the installation shell 1 cannot be ventilated timely to affect the heat dissipation of the battery pack is avoided;

referring to fig. 4, the top of the coolant tank 3 is communicated with a liquid feeding pipe 16, and a cover plate is installed at the top of the liquid feeding pipe 16, so that a worker can conveniently add coolant to the coolant tank 3, and the effect of the coolant of the battery pack is prevented from being influenced by too little coolant;

referring to fig. 1, both sides of the front surface of the upper cover plate 2 are fixedly connected with buckles 17, both sides of the front surface of the mounting housing 1 are fixedly connected with clamping blocks 18, and the buckles 17 are clamped with the clamping blocks 18, so that the mounting housing 1 and the upper cover plate 2 can be conveniently fixed, and the situation that the mounting housing and the upper cover plate 2 shake and fall off during use is avoided;

when using, the utility model discloses the inner chamber of first condenser pipe 11 can be poured into with the coolant liquid of 3 inner chambers of coolant liquid case to the water pump 9 that is equipped with, the cooperation of rethread condenser 10 and second condenser pipe 12 refrigerates the coolant liquid, make first condenser pipe 11 and second condenser pipe 12 give off air conditioning, rethread motor 6 and flabellum 7's setting, blow the air that first condenser pipe 11 and second condenser pipe 12 give off to the top that board 4 was placed to the battery package, the battery package of placing board 4 top to the battery package dispels the heat, the realization is battery cooling's effect with higher speed, thereby effectual solved current cooling methods most be natural cooling, this kind of cooling method cooling time is long, and can not cool off the battery fast, reduce battery life's problem easily.

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 invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A cooling device for a power battery pack, comprising a mounting housing (1), characterized in that: the rear side of the top of the mounting shell (1) is rotatably connected with an upper cover plate (2) through a hinge, the right side of the inner cavity of the mounting shell (1) is fixedly connected with a cooling liquid box (3), the top of the cooling liquid box (3) penetrates through the mounting shell (1) and extends to the outside of the mounting shell (1), the left side of the cooling liquid box (3) is fixedly connected with a battery pack placing plate (4), one side, away from the cooling liquid box (3), of the battery pack placing plate (4) is fixedly connected with the inner wall of the mounting shell (1), a through pipe (5) penetrates through the surface of the battery pack placing plate (4), the inner cavity of the through pipe (5) is provided with a motor (6), fan blades (7) are welded at the output end of the motor (6), a grid plate (8) is fixedly connected to the top of the inner cavity of the through pipe (5), a water pump (9) is installed on the front side of, condenser (10) are installed in the left side of installation casing (1) inner chamber, the play water end intercommunication of water pump (9) has first condenser pipe (11), the one end that water pump (9) play water end was kept away from in first condenser pipe (11) runs through coolant liquid tank (3) and communicates with the input of condenser (10), the output intercommunication of condenser (10) has second condenser pipe (12), the one end and the left bottom intercommunication of coolant liquid tank (3) of condenser (10) output are kept away from in second condenser pipe (12).

2. The cooling device for the power battery pack according to claim 1, wherein: controller (13) are installed at the left top of coolant liquid case (3), the rear surface mounting of installation casing (1) inner chamber has temperature sensor (14), the electrical output of temperature sensor (14) and the electrical input electric connection of controller (13), the electrical output of controller (13) pass through the wire respectively with the electrical input electric connection of motor (6), water pump (9) and condenser (10).

3. The cooling device for the power battery pack according to claim 1, wherein: the top of the upper cover plate (2) is provided with an air exchange groove (15), and the inner cavity of the air exchange groove (15) is provided with a dustproof mesh plate.

4. The cooling device for the power battery pack according to claim 1, wherein: the top of the cooling liquid tank (3) is communicated with a liquid feeding pipe (16), and a cover plate is installed at the top of the liquid feeding pipe (16).

5. The cooling device for the power battery pack according to claim 1, wherein: the improved structure of the mounting structure is characterized in that the buckles (17) are fixedly connected to the two sides of the front surface of the upper cover plate (2), the clamping blocks (18) are fixedly connected to the two sides of the front surface of the mounting shell (1), and the buckles (17) are connected with the clamping blocks (18) in a clamped mode.