CN213401370U

CN213401370U - Spontaneous fire extinguishing type electric automobile power battery system

Info

Publication number: CN213401370U
Application number: CN202022816769.4U
Authority: CN
Inventors: 钱新建
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-11-30
Filing date: 2020-11-30
Publication date: 2021-06-08
Anticipated expiration: 2030-11-30

Abstract

The utility model provides a spontaneous formula of putting out a fire electric automobile power battery system, including the install bin, the top of install bin is provided with the case lid, and the seat is all placed through support fixedly connected with in the both sides of the inner wall of install bin, the first spring of bottom fixedly connected with of placing the seat, the top fixedly connected with heat-conducting plate of first spring both sides all with the inner wall sliding connection who places the seat. The utility model provides a spontaneous formula of putting out a fire electric automobile power battery system, place the seat through being provided with, avoid battery body to rock at will when the car removes, and set up the bottom at the heat-conducting plate through a plurality of first springs, when receiving the striking, can alleviate the shock, avoided battery body to damage, blow to the install bin through the heat dissipation fan, the homoenergetic realizes the cooling simultaneously under having realized the air current flow in the install bin, make power battery cooling effect better, effectually prevented that the battery from being overheated and lead to the battery to take place to burn or the major accident such as explosion.

Description

Spontaneous fire extinguishing type electric automobile power battery system

Technical Field

The utility model relates to a battery technology field especially relates to a spontaneous formula of putting out a fire electric automobile power battery system.

Background

Along with the development of the automobile industry in China, emission regulations, fuel economy and comfort are more and more emphasized, so that the electric automobile is more and more widely applied, the energy storage of the electric automobile is completely different from that of the traditional gasoline and diesel vehicles, and a power battery is mainly adopted for storing and providing energy for driving the electric automobile to run.

The space is narrow and small on the electric automobile, and a large amount of battery cells are closely arranged together in the group battery usually, and the heat of gathering is difficult to discharge, and the temperature of battery probably surpasss normal scope when long-time work, simultaneously because the difference of spatial position, there is the difference in the temperature of each battery cell yet. The excessive temperature of the battery pack can reduce the charging and discharging efficiency of the battery, affect the safety and reliability of the battery pack and cause thermal failure in severe cases, so that the thermal management of the power battery of the electric automobile is necessary. The air-cooled heat dissipation device is generally in a one-way serial or parallel ventilation mode, which easily causes the phenomenon of over-high local temperature or uneven temperature distribution of the battery pack, and the heat dissipation effect of the battery pack cannot be guaranteed.

Therefore, it is necessary to provide a self-extinguishing power battery system for an electric vehicle to solve the above technical problems.

SUMMERY OF THE UTILITY MODEL

The utility model provides a technical problem provide a spontaneous formula of putting out a fire electric automobile power battery system.

In order to solve the technical problem, the self-extinguishing type electric vehicle power battery system comprises an installation box, wherein a box cover is arranged at the top of the installation box, placing seats are fixedly connected to two sides of the inner wall of the installation box through supports, first springs are fixedly connected to the bottoms of the placing seats, heat-conducting plates are fixedly connected to the top ends of the first springs, two sides of each heat-conducting plate are slidably connected with the inner wall of the placing seat, a motor is fixedly mounted in the center of the bottom of the installation box, a driving wheel is fixedly connected to an output shaft of the motor, installation holes are symmetrically formed in two sides of the bottom of the installation box, heat-radiating fans are arranged in the installation holes, a driven wheel is fixedly connected to a driving shaft of each heat-radiating fan, the driven wheel is connected with the driving wheel through a belt in a transmission manner, a, the groove is matched with the lug, and air outlet holes are formed in two sides of the groove.

Preferably, a plurality of heat dissipation holes are uniformly formed in the placing seat.

Preferably, the bottom of the installation box is fixedly provided with a dust-proof protection cover.

Preferably, the air inlets are formed in two sides of the inner wall of the bottom of the box cover, the air outlet is formed in the center of the inner wall of the bottom of the box cover, and the air vents are formed in the box cover and between the air inlets and the air outlet.

Preferably, the bottom of case lid inner wall just is located one side fixedly connected with sealing frame of air inlet, the inner wall fixedly connected with rubber pad of sealing frame, the surface of rubber pad contacts with the avris of placing the seat top.

Preferably, be provided with the installation cavity on the lug, sliding connection has the slider in the installation cavity, the through-hole has been seted up at the top of slider, one side of installation intracavity wall is provided with the cylinder, the cylinder cooperatees with the through-hole, one side that the lug is close to the venthole is provided with the second spring, the one end of second spring and the bottom fixed connection of slider one side.

Compared with the prior art, the utility model provides a pair of spontaneous fire extinguishing formula electric automobile power battery system has following beneficial effect:

the utility model provides a spontaneous formula of putting out a fire electric automobile power battery system places the seat through being provided with, avoids battery body to rock at will when the car removes, and sets up in the bottom of heat-conducting plate through a plurality of first springs, when receiving the striking, can alleviate the shock, has avoided battery body to damage.

Blow to the install bin through the heat dissipation fan, realized that the homoenergetic simultaneously realizes the cooling down under the air current flow in the install bin for power battery cooling effect is better, has effectually prevented that the battery from overheated and lead to the battery to take place to burn or heavy accidents such as explosion, makes power battery work efficiency higher simultaneously.

Through being provided with the lug for open the venthole when the air pressure in the box is too big, place the atmospheric pressure in the box and be too big, when other materials such as the installation box outside appearance water exert pressure to the gas outlet simultaneously, the slider removes and makes through-hole and cylinder joint, effectively prevents that water or other materials from entering into the inside of installation box and leading to battery body to damage.

Drawings

Fig. 1 is a schematic structural diagram of a preferred embodiment of a self-extinguishing electric vehicle power battery system provided by the present invention;

FIG. 2 is an enlarged view of the point A shown in FIG. 1;

fig. 3 is an enlarged schematic view of the point B shown in fig. 1.

Reference numbers in the figures: 1. the mounting box, 2, case lid, 3, place the seat, 4, first spring, 5, the heat-conducting plate, 6, battery body, 7, louvre, 8, motor, 9, action wheel, 10, mounting hole, 11, radiator fan, 12, follow driving wheel, 13, dust separation safety cover, 14, air inlet, 15, air vent, 16, gas outlet, 17, sealed frame, 18, rubber pad, 19, venthole, 20, installation cavity, 21, lug, 22, slider, 23, through-hole, 24, cylinder, 25, second spring.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and embodiments.

Please refer to fig. 1, fig. 2 and fig. 3 in combination, wherein fig. 1 is a schematic structural diagram of a preferred embodiment of a self-extinguishing electric vehicle power battery system according to the present invention; FIG. 2 is an enlarged view of the point A shown in FIG. 1; fig. 3 is an enlarged schematic view of the point B shown in fig. 1. A self-extinguishing type electric automobile power battery system comprises an installation box 1, wherein a box cover 2 is arranged at the top of the installation box 1, two sides of the inner wall of the installation box 1 are fixedly connected with placing seats 3 through supports, the bottom of the placing seats 3 is fixedly connected with first springs 4, top ends of the first springs 4 are fixedly connected with heat conducting plates 5, two sides of the heat conducting plates 5 are slidably connected with the inner wall of the placing seats 3, a motor 8 is fixedly arranged at the center of the bottom of the installation box 1, an output shaft of the motor 8 is fixedly connected with a driving wheel 9, installation holes 10 are symmetrically formed in two sides of the bottom of the installation box 1, heat dissipation fans 11 are arranged in the installation holes 10, a driving shaft of each heat dissipation fan 11 is fixedly connected with a driven wheel 12, the driven wheel 12 is connected with the driving wheel 9 through a belt in a transmission manner, and a convex block 21, the bottom of the box cover 2 is provided with a groove which is matched with the lug 21, and two sides of the groove are provided with air outlet holes 19.

A plurality of heat dissipation holes 7 are uniformly formed in the placing seat 3.

The bottom of install bin 1 fixed mounting has dust proof safety cover 13.

Air inlets 14 are formed in two sides of the inner wall of the bottom of the box cover 2, an air outlet 16 is formed in the center of the inner wall of the bottom of the box cover 2, and air vents 15 are formed in the box cover 2 and between the air inlets 14 and the air outlet 16.

The bottom of case lid 2 inner wall just is located one side fixedly connected with sealing frame 17 of air inlet 14, the inner wall fixedly connected with rubber pad 18 of sealing frame 17, the surface of rubber pad 18 contacts with the avris at placing seat 3 top.

Be provided with installation cavity 20 on the lug 21, sliding connection has slider 22 in installation cavity 20, through-hole 23 has been seted up at slider 22's top, one side of installation cavity 20 inner wall is provided with cylinder 24, cylinder 24 cooperatees with through-hole 23, one side that lug 21 is close to venthole 19 is provided with second spring 25, the bottom fixed connection of one end and slider 22 one side of second spring 25.

The utility model provides a pair of spontaneous fire extinguishing formula electric automobile power battery system's theory of operation as follows:

when the power battery cooling device works, the heat dissipation fan 11 is started, the heat dissipation fan 11 blows air into the installation box 1 to form a circulating gas flowing process, partial air flow enters the bottom of the placing seat 3 through the heat dissipation holes 7, the battery body 6 is cooled through the heat conduction plate 5, and after the heat conduction plate 6 is cooled by the partial air flow, the air flow enters the installation box 1 through the heat dissipation holes 7 on the two sides, is converged with the other air flow in the installation box 1 and passes through the air inlet 14 and the air vent 15 and is sprayed out from the air outlet 16, so that the top and the four sides of the battery body 6 can be cooled simultaneously under the flowing of the air flow in the installation box 1, the power battery cooling effect is better, the serious accidents such as combustion or explosion of the battery caused by overheating of the battery are effectively prevented, the working efficiency of the power battery is higher, and the air outlet is opened when the pressure of the air flow in the installation box 1 is overlarge, the internal atmospheric pressure of installing case 1 is too big, and when other materials such as the outside appearance water of installing case 1 exert pressure to venthole 19 simultaneously, slider 22 removes and makes through-hole 23 and cylinder 24 joint, effectively prevents that water or other materials from entering into the inside of installing case 1 and leading to battery body 6 to damage.

the utility model provides a spontaneous fire extinguishing type electric automobile power battery system, through being provided with the placing seat 3, avoid the battery body 6 to rock at will when the automobile moves, and through a plurality of first springs 4 arranged at the bottom of the heat conducting plate 5, when receiving the striking, can alleviate the shock, avoid the battery body 6 to damage, blow to the installation box 1 through the heat dissipation fan 11, realize the cooling under the air current flowing in the installation box 1, make the power battery cooling effect better, effectively prevent the battery from overheating and leading to the battery to take place burning or explosion etc. serious accident, make the power battery work efficiency higher simultaneously, through being provided with the lug 21, make the air current pressure in the installation box 1 open the air outlet 19 when too big, the air pressure in the installation box 1 is too big, simultaneously when other materials such as water appear outside the installation box 1 exert pressure to the air outlet 19, the slider 22 moves so that the through hole 23 is engaged with the cylinder 24, which effectively prevents water or other substances from entering the inside of the mounting case 1 and causing damage to the battery body 6.

The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention are used in the specification and the attached drawings, or directly or indirectly applied to other related technical fields, and the same principle is included in the protection scope of the present invention.

Claims

1. The utility model provides a spontaneous fire extinguishing formula electric automobile power battery system, includes the install bin, its characterized in that: the utility model discloses a heat dissipation fan, including install bin, seat, mounting box, support fixedly connected with, mounting box top, the top fixedly connected with heat-conducting plate of first spring, the both sides of the inner wall of installation box all place the seat through support fixedly connected with, the first spring of bottom fixedly connected with of placing the seat, the top fixedly connected with heat-conducting plate of first spring the both sides of heat-conducting plate all with the inner wall sliding connection who places the seat, the central authorities fixed mounting of install bin bottom has the motor, the output shaft fixedly connected with action wheel of motor, the mounting hole has been seted up to the bilateral symmetry of install bin bottom, be provided with the heat dissipation fan in the mounting hole, the drive shaft fixedly connected with of heat dissipation fan is from the driving wheel, be connected through belt transmission between driving wheel and the action wheel, be.

2. The spontaneous fire extinguishing type electric vehicle power battery system according to claim 1, characterized in that: a plurality of heat dissipation holes are uniformly formed in the placing seat.

3. The spontaneous fire extinguishing type electric vehicle power battery system according to claim 1, characterized in that: the bottom fixed mounting of install bin has the dust separation safety cover.

4. The spontaneous fire extinguishing type electric vehicle power battery system according to claim 1, characterized in that: air inlets are formed in two sides of the inner wall of the bottom of the box cover, an air outlet is formed in the center of the inner wall of the bottom of the box cover, and air vents are formed in the box cover and between the air inlets and the air outlet.

5. The spontaneous fire extinguishing type electric vehicle power battery system according to claim 1, characterized in that: the bottom of case lid inner wall just is located one side fixedly connected with sealing frame of air inlet, the inner wall fixedly connected with rubber pad of sealing frame, the surface of rubber pad contacts with the avris of placing the seat top.

6. The spontaneous fire extinguishing type electric vehicle power battery system according to claim 1, characterized in that: the improved air outlet structure is characterized in that a mounting cavity is formed in the convex block, a sliding block is connected in the mounting cavity in a sliding mode, a through hole is formed in the top of the sliding block, a cylinder is arranged on one side of the inner wall of the mounting cavity and matched with the through hole, a second spring is arranged on one side, close to the air outlet, of the convex block, and one end of the second spring is fixedly connected with the bottom of one side of the sliding block.