CN210349974U

CN210349974U - Novel battery module heat dissipation device

Info

Publication number: CN210349974U
Application number: CN201920987968.6U
Authority: CN
Inventors: 陈枫; 符稳山; 石磊
Original assignee: Bogao Automobile Shanghai Co Ltd
Current assignee: Bogao Automobile Shanghai Co Ltd
Priority date: 2019-06-28
Filing date: 2019-06-28
Publication date: 2020-04-17
Anticipated expiration: 2029-06-28

Abstract

The utility model provides a novel battery module heat dissipation device, which relates to the technical field of battery modules and comprises a shell, a battery module arranged in the shell, a heat dissipation module positioned right above the shell and a heat radiator positioned above the heat dissipation module, wherein heat dissipation fins are adopted on the side surface of the battery module for heat dissipation, the heat dissipation fins are distributed on the side surface of a housing and penetrate through the housing to be contacted with a heat conduction plate, so that heat is transferred to the heat dissipation fins, the heat dissipation area is enlarged by utilizing metal heat conduction to be combined with the heat dissipation fins, the heat dissipation efficiency is improved, the heat dissipation module is arranged above the battery module, when the heat dissipation plate of the heat dissipation module dissipates heat, the temperature in a heat dissipation column is increased, gas rises, the external temperature is low, the gas sinks, thereby forming air convection, the heat is dissipated out along with the rising of the gas, and cooling air continuously enters, thereby continuously cooling, achieving the purpose of rapid cooling and having good heat dissipation effect.

Description

Novel battery module heat dissipation device

Technical Field

The utility model relates to a battery module technical field especially relates to a novel battery module heat dissipation device.

Background

The thermal instability of the battery module seriously threatens the use safety of the battery system. The battery module can produce a large amount of heats in the use, if can not dispel the heat to it effectively in time, in case the heat that its produced has reached higher degree, the thermal instability phenomenon appears, will lead to the battery burning very likely, and then endanger peripheral personnel's life and property safety.

The mode that currently adopts the liquid cooling mostly dispels the heat to battery module, and the mode of liquid cooling is good in heat dissipation effect, but because battery module's inside comprises many battery cell series-parallel connections, if the heat pipe of liquid cooling breaks can lead to battery short circuit to damage easily.

In order to solve the above problems, the present application provides a novel battery module heat dissipation device.

SUMMERY OF THE UTILITY MODEL

Objects of the invention

For the mode heat dissipation that adopts the liquid cooling that proposes among the solution background art leads to the battery short circuit to damage easily, the technical problem, the utility model provides a novel battery module heat abstractor is provided with the thermal module in the top of battery module, when the thermal module's heating panel heat dissipation, rises at the inside temperature of heat dissipation post, and gaseous rising, the outside temperature is low, and is gaseous sunken to form the air convection, the heat is along with gaseous rising effluvium, and cooling air passes through the ventilation opening constantly gets into, thereby constantly cools off, reaches rapid cooling's purpose, and the radiating effect is good.

(II) technical scheme

In order to solve the above problems, the present invention provides a novel battery module heat dissipation device, which includes a housing, a battery module disposed inside the housing, a heat dissipation module located directly above the housing, and a heat sink located above the heat dissipation module;

the shell comprises an outer cover and radiating fins, heat-conducting plates are symmetrically arranged in the outer cover, and the radiating fins penetrate through the outer cover and are in contact with the heat-conducting plates;

the heat dissipation module comprises a heat dissipation plate and a plurality of heat dissipation columns arranged on the upper surface of the heat dissipation plate, guide holes are formed in the heat dissipation columns in a hollow tubular structure, and air vents are symmetrically formed in the side walls of the heat dissipation columns;

the radiator comprises a mounting shell and two exhaust fans mounted on the mounting shell, and the two exhaust fans are electrically connected with the rechargeable battery through wires;

the battery module comprises a first module support, a second module support and a plurality of battery monomers, wherein fixing holes are correspondingly formed in the first module support and the second module support, and the battery monomers are fixed through the fixing holes formed in the first module support and the second module support.

Preferably, the heat dissipation fins are provided in plurality, and the plurality of heat dissipation fins are distributed on the side surface of the outer cover at equal intervals.

Preferably, an accommodating cavity is formed between the heat conducting plates which are symmetrically arranged, and the battery module is arranged in the accommodating cavity.

Preferably, the bottom of the accommodating cavity is symmetrically provided with sliding grooves, and a plurality of groups of pulleys are arranged inside the sliding grooves.

Preferably, the bottom of the heat dissipation plate is provided with heat dissipation holes, the lower ends of the guide holes are communicated with the heat dissipation holes, and the upper ends of the guide holes are communicated with the outside.

The above technical scheme of the utility model has following profitable technological effect:

1. the side face of the battery module is radiated by adopting the radiating fins, the radiating fins are distributed on the side face of the outer cover and penetrate through the outer cover to be in contact with the heat conducting plate, so that heat is transferred to the radiating fins, the radiating area is enlarged by combining metal heat conduction with the radiating fins, and the radiating efficiency is improved.

2. Be provided with the radiating module in the top of battery module, when radiating module's heating panel dispels the heat, rise at the inside temperature of heat dissipation post, gaseous rising, the outside temperature is low, and gaseous sinking to form the air convection, the heat is along with gaseous rising effluvium, and cooling air passes through the ventilation opening constantly gets into, thereby constantly cools off, reaches rapid cooling's purpose, and the radiating effect is good.

Drawings

Fig. 1 is a schematic structural view of the novel battery module heat dissipation device provided by the present invention.

Fig. 2 is a schematic structural diagram of a heat sink in the novel battery module heat dissipation device provided by the present invention.

Fig. 3 is the structural schematic diagram of the heat dissipation module in the novel battery module heat dissipation device provided by the utility model.

Fig. 4 is an enlarged schematic view of a portion a in fig. 3 according to the present invention.

Fig. 5 is a schematic structural diagram of the bottom of the heat dissipating plate in the novel battery module heat dissipating device of the present invention.

Fig. 6 is a schematic structural view of the battery module and the housing in the novel heat dissipation device for the battery module of the present invention.

Fig. 7 is a cross-sectional view of a battery module in the novel heat dissipation device for a battery module according to the present invention.

Reference numerals:

1. a heat sink; 11. a charging hole; 12. charging a battery; 13. an exhaust fan; 14. mounting a shell; 2. a heat dissipation module; 21. a heat dissipation plate; 22. a heat-dissipating column; 23. a guide hole; 24. a ventilation opening; 25. heat dissipation holes; 3. a battery module; 31. a first module holder; 32. a second module holder; 33. a fixing hole; 34. a battery cell; 4. a housing; 41. a heat dissipating fin; 42. a housing; 43. a heat conducting plate; 44. a chute; 45. a pulley; 5. connecting columns; 6. and pulling the handle.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings. It should be understood that the description is intended to be illustrative only and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.

As shown in fig. 1, the novel battery module heat dissipation device provided by the present invention includes a housing 4, a battery module 3 disposed inside the housing 4, a heat dissipation module 2 located right above the housing 4, and a heat sink 1 located above the heat dissipation module 2;

in order to facilitate the detachment and installation of the heat sink 1 and the heat dissipation module 2, the heat sink 1 and the heat dissipation module 2 are connected by a connection column 5, more specifically, the upper end of the connection column 5 is connected with the mounting shell 14 of the heat sink 1 by a screw, and the lower end of the connection column 5 is welded with the heat dissipation plate 21 of the heat dissipation module 2.

As shown in fig. 6, the casing 4 includes a casing 42 and heat dissipation fins 41, wherein heat conduction plates 43 are symmetrically disposed inside the casing 42, and the heat dissipation fins 41 penetrate through the casing 42 and contact with the heat conduction plates 43;

in some embodiments, the heat dissipation fins 41 and the heat conduction plate 43 are made of aluminum material, the heat dissipation fins 41 are distributed on the side surface of the outer cover 42 and penetrate through the outer cover 42 to contact with the heat conduction plate 43, so that heat is transferred to the heat dissipation fins 41, and the heat dissipation area is enlarged by combining the metal heat conduction with the heat dissipation fins 41, thereby improving the heat dissipation efficiency.

As shown in fig. 3, the heat dissipation module 2 includes a heat dissipation plate 21 and a plurality of heat dissipation columns 22 disposed on the upper surface of the heat dissipation plate 21, the interior of the heat dissipation columns 22 is a hollow tubular structure to form a guide hole 23, and the side walls of the heat dissipation columns 22 are symmetrically provided with air vents 24;

in some embodiments, a receiving cavity is formed between the symmetrically arranged heat conductive plates 43, and the battery module 3 is disposed in the receiving cavity, more specifically, a heat dissipation hole 25 is formed at the bottom of the heat dissipation plate 21, the lower end of the guide hole 23 is communicated with the heat dissipation hole 25, and the upper end of the guide hole 23 is communicated with the outside.

Because the utility model is provided with a plurality of heat dissipation columns 22 on the upper surface of the heat dissipation plate 21, and the heat dissipation columns 22 are internally provided with the guide holes 23 in a hollow tubular structure, the side walls of the heat dissipation columns 22 are symmetrically provided with the ventilation holes 24, thereby increasing the contact area with the air and further enhancing the heat dissipation effect; and the bottom of the heat-dissipating plate 21 is provided with a heat-dissipating hole 25, the lower end of the guide hole 23 is communicated with the heat-dissipating hole 25, the upper end of the guide hole 23 is communicated with the outside, and a ventilation opening 24 is symmetrically formed through the side wall, so that the outside is communicated with the inside through the ventilation opening 24, when the heat-dissipating plate 21 dissipates heat, the temperature inside the heat-dissipating column 22 rises, the gas rises, the outside temperature is low, and the gas sinks, thereby forming air convection, the heat is dissipated along with the rising of the gas, and the cooling air continuously enters through the ventilation opening 24, thereby continuously cooling, achieving the purpose of rapidly cooling, and having good heat-dissipating effect.

As shown in fig. 2, the heat sink 1 includes a mounting case 14 and two exhaust fans 13 mounted on the mounting case 14, wherein the two exhaust fans 13 are electrically connected to the rechargeable battery 12 through wires; the mounting shell 14 is provided with a charging hole 11, which is convenient for charging the rechargeable battery 12.

In this embodiment, two exhaust fans 13 are installed on the heat sink 1, so that the hot air rising inside the heat dissipation column 22 in the heat dissipation module 2 can be quickly exhausted, and the heat dissipation effect is further improved.

As shown in fig. 6 and 7, the battery module 3 includes a first module bracket 31, a second module bracket 32, and a plurality of battery cells 34, wherein fixing holes 33 are correspondingly formed in the first module bracket 31 and the second module bracket 32, and the battery cells 34 are fixed through the fixing holes 33 formed in the first module bracket 31 and the second module bracket 32.

Preferably, the plurality of heat dissipation fins 41 are arranged, and the plurality of heat dissipation fins 41 are distributed on the side surface of the outer cover 42 at equal intervals, so as to improve the heat dissipation efficiency of the battery module 3.

In order to conveniently take the battery module 3, the battery module 3 adopts a sliding design in the accommodating cavity, sliding grooves 44 are symmetrically formed in the bottom of the accommodating cavity, a plurality of groups of pulleys 45 are arranged inside the sliding grooves 44, and a pull handle 6 is further arranged at one end of the battery module 3, so that the battery module 3 can be conveniently taken out.

It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.

Claims

1. The novel battery module heat dissipation device is characterized by comprising a shell (4), a battery module (3) arranged in the shell (4), a heat dissipation module (2) positioned right above the shell (4) and a heat radiator (1) positioned above the heat dissipation module (2);

the shell (4) comprises an outer cover (42) and radiating fins (41), heat-conducting plates (43) are symmetrically arranged in the outer cover (42), and the radiating fins (41) penetrate through the outer cover (42) and are in contact with the heat-conducting plates (43);

the heat dissipation module (2) comprises a heat dissipation plate (21) and a plurality of heat dissipation columns (22) arranged on the upper surface of the heat dissipation plate (21), the interior of each heat dissipation column (22) is in a hollow tubular structure to form a guide hole (23), and air vents (24) are symmetrically formed in the side walls of the heat dissipation columns (22);

the radiator (1) comprises a mounting shell (14) and two exhaust fans (13) mounted on the mounting shell (14), wherein the two exhaust fans (13) are electrically connected with the rechargeable battery (12) through a lead;

the battery module (3) comprises a first module support (31), a second module support (32) and a plurality of single batteries (34), wherein the first module support (31) and the second module support (32) are correspondingly provided with fixing holes (33), and the single batteries (34) are fixed through the fixing holes (33) formed in the first module support (31) and the second module support (32).

2. The novel battery module heat sink according to claim 1, wherein the heat dissipation fins (41) are provided in plurality, and the plurality of heat dissipation fins (41) are distributed on the side surface of the housing (42) at equal intervals.

3. The novel battery module heat sink according to claim 1, wherein a receiving cavity is formed between the symmetrically arranged heat conducting plates (43), and the battery module (3) is placed in the receiving cavity.

4. The novel battery module heat dissipation device as claimed in claim 3, wherein sliding grooves (44) are symmetrically formed in the bottom of the accommodating cavity, and a plurality of groups of pulleys (45) are arranged inside the sliding grooves (44).

5. The novel heat dissipation device for battery modules as claimed in claim 1, wherein the heat dissipation plate (21) has heat dissipation holes (25) formed at the bottom thereof, the lower ends of the guide holes (23) are in communication with the heat dissipation holes (25), and the upper ends of the guide holes (23) are in communication with the outside.