CN218274783U

CN218274783U - Battery box heat sink

Info

Publication number: CN218274783U
Application number: CN202222624972.0U
Authority: CN
Inventors: 王志海; 王飞; 彭浩; 郭成涛
Original assignee: Anhui Heding Electromechanical Equipment Co ltd
Current assignee: Anhui Heding Electromechanical Equipment Co ltd
Priority date: 2022-09-30
Filing date: 2022-09-30
Publication date: 2023-01-10
Anticipated expiration: 2032-09-30

Abstract

The utility model belongs to the technical field of the battery heat radiation structure technique and specifically relates to a battery box heat sink, including the battery box, the battery box has roof, bottom plate, be located the heat-conducting plate that installs the vertical setting of a plurality of and interval distribution between roof and the bottom plate in the battery box, a plurality of the heat-conducting plate with form the sealed battery storage chamber of a plurality of between the battery box, air current channel has been seted up in the heat-conducting plate, the first through-hole that heat-conducting plate one end intercommunication roof was seted up, the third through-hole that the heat-conducting plate other end intercommunication bottom plate was seted up, the pneumatic valve subassembly is installed to the bottom plate, the pneumatic valve subassembly is connected with gas blowing equipment, during passive heat dissipation, the third through-hole passes through pneumatic valve subassembly and external environment intercommunication, during the initiative heat dissipation, the third through-hole passes through the pneumatic valve subassembly and gas blowing equipment gives vent to anger and holds the intercommunication. The device can meet the requirement of the battery box body on the sealing performance of battery installation, and can realize the effects of active heat dissipation and passive heat dissipation.

Description

Battery box heat sink

Technical Field

The utility model relates to a battery heat radiation structure technical field especially relates to a battery box heat sink.

Background

In recent years, with the continuous development and progress of science and technology, the related products of the battery are rapidly developed and advanced, great convenience is brought to the daily life of people, and the battery is widely applied to different fields due to high charging rate, long service life and high cost performance.

The equipment that cools down to the battery also promotes gradually along with the rapid popularization of battery, and some battery cooling equipment are bulky, and use and control the inflexibility, and the cooling effect is not high, and difficult satisfying people's actual demand, especially when cooling down in batches, the height of intelligent level, the quality of cooling effect etc. are all with practical use closely related problem, however, see from present current situation, all still can't reach the anticipated requirement.

The mode of present battery box cooling divide into liquid cooling, the air current cooling, to the mode of air current cooling, generally set up the hole that can cluster wind at the battery box (for example the battery box that CN210607535U disclosed), can be at downthehole installation fan in order to improve the radiating effect even, this kind of radiating mode has a very big drawback, because the cluster wind hole is seted up to the battery box, lead to battery box internal battery can contact with the external world, to the higher battery box of leakproofness requirement, the radiating mode that adopts to set up cluster wind hole is obviously unsuitable.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the shortcoming that the battery box that points out among the background art requires the relatively high heat dissipation mode that the wind hole was adopted to the leakproofness influences the battery security, and the battery box heat sink that provides.

In order to realize the purpose, the utility model adopts the following technical scheme:

the utility model provides a battery box heat sink, includes the battery box, the battery box has roof, bottom plate, be located the heat-conducting plate that installs the vertical setting of a plurality of and interval distribution between roof and the bottom plate in the battery box, a plurality of the heat-conducting plate with form the sealed battery storage chamber of a plurality of between the battery box, air current channel has been seted up in the heat-conducting plate, the first through-hole that heat-conducting plate one end intercommunication roof was seted up, the third through-hole that the heat-conducting plate other end intercommunication bottom plate was seted up, the pneumatic valve subassembly is installed to the bottom plate, the pneumatic valve subassembly is connected with gas blowing equipment, during passive heat dissipation, the third through-hole passes through pneumatic valve subassembly and external environment intercommunication, during the initiative heat dissipation, the third through-hole is given vent to anger through end intercommunication with gas blowing equipment through the pneumatic valve subassembly.

The air valve assembly comprises a bottom cover of which the sealing cover is arranged at the bottom of the bottom plate, an air cavity is formed between the bottom cover and the bottom plate, a communicating hole is formed in the bottom cover, the communicating hole is connected with an air outlet end of air blowing equipment, the third through hole is of a long-strip structure, the bottom cover is arranged below each third through hole and is provided with a second through hole, the bottom cover is provided with a turning plate along the length direction of each second through hole, the two ends of each turning plate are fixedly connected with a rotating shaft, the rotating shaft is rotatably connected with the inner wall of the bottom cover, a torsion spring is arranged between each turning plate and the inner wall of the bottom cover, and when the air valve assembly is passively cooled, the second through holes are communicated with the third through holes, and when the air valve assembly is actively cooled, air flow thrust acts on the turning plate sealing cover and the second through holes.

The bottom is located that one side that every turns over the board and is close to the intercommunicating pore all fixed mounting has a stopper, during the passive heat dissipation, turn over the board and lean on the stopper, just turn over the board and be vertical state.

Each first through hole is internally provided with a filter plate.

The thickness of the heat conduction plate is 2-15mm, and heat conduction silica gel is filled between the side face of the heat conduction plate and the battery.

The utility model provides a pair of battery box heat sink, beneficial effect lies in: this device sets up first through-hole at the roof of battery box, the bottom plate sets up the third through-hole, then first through-hole of heat-conducting plate intercommunication and third through-hole through vertical setting, install the battery in battery storage chamber, guarantee the leakproofness of battery storage chamber, utilize the principle that the hot gas flow rises, the air current flows by going up from bottom to top, the air current of motion can cool down the heat-conducting plate, so can be under natural state, realize the effect of slow cooling, when the higher needs initiative cooling of battery temperature, gas blowing equipment initiatively blows to the air current passageway, make the quick heat-conducting plate that passes of air current, dispel the absorptive battery temperature, realize quick initiative cooling, this device can guarantee the leakproofness requirement of battery box to the battery installation, can realize initiative heat dissipation and passive radiating effect again.

Drawings

FIG. 1 is a schematic view of the state structure of the air valve assembly in the passive heat dissipation of the present invention;

fig. 2 is a schematic view of the state structure of the air valve assembly in the active heat dissipation of the present invention;

FIG. 3 is a schematic diagram of a top view of the valve assembly of FIG. 1 in accordance with the present invention;

fig. 4 is a schematic diagram of the structure of the heat conducting plate of the present invention.

In the figure: the device comprises a first through hole 1, a filter plate 2, a heat conducting plate 3, an air flow channel 4, a battery box 5, a communication hole 6, a bottom cover 7, an air cavity 8, a turning plate 9, a limiting block 10, a rotating shaft 11, a second through hole 12, a third through hole 13, a bottom plate 14 and a top plate 15.

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.

Referring to fig. 1-4, a battery box body cooling device, including a battery box 5, the battery box 5 has a top plate 15 and a bottom plate 14, a plurality of heat-conducting plates 3 which are vertically arranged and are distributed at intervals are installed between the top plate 15 and the bottom plate 14 in the battery box 5, a plurality of sealed battery storage cavities are formed between the plurality of heat-conducting plates 3 and the battery box 5, an airflow channel 4 is provided in the heat-conducting plate 3, one end of the heat-conducting plate 3 is communicated with a first through hole 1 provided by the top plate 15, the other end of the heat-conducting plate 3 is communicated with a third through hole 13 provided by the bottom plate 14, an air valve component is installed on the bottom plate 14, the air valve component is connected with a blowing device, when the heat is passively radiated, the third through hole 13 is communicated with the external environment through the air valve component, and when the heat is actively radiated, the third through hole 13 is communicated with the air outlet end of the blowing device through the air valve component.

This device sets up first through-hole 1 at the roof of battery box 5, bottom plate 14 sets up third through-hole 13, then communicate first through-hole 1 and third through-hole 13 through the heat-conducting plate 3 of vertical setting, install the battery in the battery storage chamber, guarantee the leakproofness in battery storage chamber, when the battery gives off heat, heat energy can be conducted for heat-conducting plate 3, the air current temperature in the inside airflow channel 4 of heat-conducting plate 3 can rise, the hot air current can move upwards, can drive the air current and flow from bottom to top, the air current of motion can cool down the heat-conducting plate, so can be under the natural state, realize the effect of slow cooling, when the higher needs initiative cooling of battery temperature, gas blowing equipment initiatively blows to airflow channel 4, make quick air current pass heat-conducting plate 3, dispel the absorbed battery temperature with the air-blower, realize initiative cooling, gas blowing equipment can use fan or aluminum plate, heat-conducting plate 3 can choose for use copper or aluminum plate, in order to improve the heat conduction effect, can fill the heat conduction material between heat-conducting plate and battery, for example silica gel.

As an embodiment, referring to fig. 1 to 4, the air valve assembly includes a bottom cover 7 sealed at the bottom of a bottom plate 14, an air cavity 8 is provided between the bottom cover 7 and the bottom plate 14, the bottom cover 7 is provided with communication holes 6, the communication holes 6 are connected to an air outlet end of an air blowing device, the third communication holes 13 are long, the bottom cover 7 is provided with a second through hole 12 below each third communication hole 13, the bottom cover 7 is provided with a turning plate 9 along the length direction of each second communication hole 12, two ends of the turning plate 9 are fixedly connected with rotating shafts 11, the rotating shafts 11 are rotatably connected with the inner wall of the bottom cover 7, a torsion spring is installed between the turning plate 9 and the inner wall of the bottom cover 7, when the heat is passively radiated, the second through holes 12 are communicated with the third through holes 13, and when the heat is actively radiated, the turning plate 9 is used for sealing the second through holes 12 by air flow thrust. Referring to fig. 1, when only passive heat dissipation is needed, the second through hole 12 is opened by the turning plate 9 through the torsion spring, so that the first through hole 1, the second through hole 12 and the third through hole 13 are in a communicated state in a natural state, and external air flow can move in the air flow channel 4; when active heat dissipation is required, referring to fig. 2, the air blowing device blows air to the air cavity 8 through the communicating hole 6, the air flow pushes the turning plate 9 to overcome the elasticity of the torsion spring, the turning plate 9 is enabled to rotate towards the position of the second through hole 12, excessive air flow loss from the position of the second through hole 12 is avoided, and therefore most of air flow can be guaranteed to flow through the heat conducting plate 3.

Furthermore, the bottom cover 7 is located that one side that every turns over board 9 and is close to intercommunicating pore 6 all fixed mounting has a stopper 10, and during the passive heat dissipation, turns over board 9 and leans on stopper 10, and turns over board 9 and be vertical state.

In order to avoid the blocking of dust and impurities on the airflow channel 4 of the heat conducting plate 3, a filter plate 2 is installed in each first through hole 1, and air blowing equipment can be started regularly to dredge the filter holes of the filter plate 2.

As an embodiment: the thickness of the heat conducting plate 3 is 2-15mm, heat conducting silica gel is filled between the side surface of the heat conducting plate 3 and the battery, the thickness of the heat conducting plate 3 cannot be too thick, and the space utilization rate of the battery box body can be reduced.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model thereof, the technical solution, concept and design obtained by equivalent replacement or change should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a battery box heat sink, includes battery box (5), battery box (5) have roof (15), bottom plate (14), a serial communication port, be located in battery box (5) between roof (15) and bottom plate (14) install the vertical setting of a plurality of and heat-conducting plate (3) of interval distribution, a plurality of heat-conducting plate (3) with form the sealed battery storage chamber of a plurality of between battery box (5), airflow channel (4) have been seted up in heat-conducting plate (3), first through-hole (1) that heat-conducting plate (3) one end intercommunication roof (15) were seted up, third through-hole (13) that heat-conducting plate (3) other end intercommunication bottom plate (14) were seted up, the pneumatic valve subassembly is installed to bottom plate (14), the pneumatic valve subassembly is connected with the equipment of blowing, during the passive heat dissipation, third through-hole (13) communicate with external environment through the pneumatic valve subassembly, during the initiative heat dissipation, third through pneumatic valve subassembly and the equipment of blowing end intercommunication are given vent to the gas.

2. The battery box cooling device according to claim 1, wherein the air valve assembly comprises a bottom cover (7) which is sealed at the bottom of a bottom plate (14), an air cavity (8) is formed between the bottom cover (7) and the bottom plate (14), a communication hole (6) is formed in the bottom cover (7), the communication hole (6) is connected with an air outlet end of air blowing equipment, the third through hole (13) is of a long strip structure, a second through hole (12) is formed below each third through hole (13) of the bottom cover (7), a turning plate (9) is arranged on the bottom cover (7) along the length direction of each second through hole (12), rotating shafts (11) are fixedly connected to two ends of each turning plate (9), the rotating shafts (11) are rotatably connected to the inner wall of the bottom cover (7), a torsion spring is installed between each turning plate (9) and the inner wall of the bottom cover (7), and the second through holes (12) are communicated with the third through holes (13) when passive heat dissipation is performed, and the second through holes (12) are sealed by the air flow thrust under the action of the turning plate (9) during active heat dissipation.

3. The battery box cooling device according to claim 2, wherein a limiting block (10) is fixedly mounted on one side of each turning plate (9) of the bottom cover (7) close to the communication hole (6), and when heat is dissipated passively, the turning plate (9) abuts against the limiting block (10) and the turning plate (9) is in a vertical state.

4. The battery box cooling device according to claim 1, wherein a filter plate (2) is installed in each first through hole (1).

5. The battery box cooling device according to any one of claims 1-4, wherein the thickness of the heat-conducting plate (3) is 2-15mm, and heat-conducting silica gel is filled between the side surface of the heat-conducting plate (3) and the battery.