CN217789319U

CN217789319U - Battery charging box

Info

Publication number: CN217789319U
Application number: CN202220184386.6U
Authority: CN
Inventors: 罗子玥
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-01-20
Filing date: 2022-01-20
Publication date: 2022-11-11
Anticipated expiration: 2032-01-20

Abstract

The utility model provides a battery charging case contains the box, puts out a fire thing and baffle, and the baffle is installed in the box and with the space separation in the box for the first chamber that is used for placing the thing of putting out a fire and the second chamber that is used for placing the battery, when the battery of second intracavity is on fire, makes first chamber and second chamber be linked together through the baffle, and the thing of putting out a fire gets into the second chamber from first chamber and puts out a fire. The utility model provides a battery charging case is provided with the thing of putting out a fire in first chamber, and when the battery takes place thermal runaway, second chamber temperature risees, and the baffle reacts and makes first chamber and second chamber intercommunication, thereby the thing of putting out a fire can fall into the second chamber from first chamber and put out a fire and prevent the condition deterioration, even the battery still explodes, and the harm also can be controlled in the box, can not cause further harm for the external world.

Description

Battery charging box

Technical Field

The utility model relates to a battery charging technology field especially relates to a battery charging case.

Background

At present, electric bicycles, electric motorcycles and electric tricycles are important transportation means for urban and rural residents in China, the national quantity of the electric bicycles, the electric motorcycles and the electric tricycles exceeds 3 hundred million, and the electric bicycles, the electric motorcycles and the electric tricycles use a large number of lithium batteries. Lithium batteries generate thermal runaway under the conditions of overcharge, short circuit, overheating, puncture or collision and the like, are easy to fire and even further cause explosion, and cause serious consequences of casualties and burning of houses or whole parking sheds, and tragedies and cases caused by the thermal runaway are increased continuously in recent years. Because there are a great deal of uncontrollable potential safety hazards in the in-process of battery charging, danger coefficient is higher when charging, and often the process is longer and the people can't accomplish all at all times during charging for the charging process is more dangerous, does not cause further harm after the in-process battery that makes charge takes place the thermal runaway, needs to develop a device that can catch fire to the battery and in time handle.

SUMMERY OF THE UTILITY MODEL

In order to put out a fire and reduce the harm of battery explosion to the battery, the utility model provides a battery charging case.

The utility model discloses a following technical scheme realizes:

the utility model provides a battery charging case contains the box, puts out a fire thing and baffle, the baffle is installed in the box and is used for placing with the space separation in the box the first chamber of putting out a fire thing and the second chamber that is used for placing the battery work as when the battery of second intracavity is on fire, work as the baffle makes first chamber with the second chamber is linked together, the thing of putting out a fire is followed first chamber gets into the second chamber puts out a fire.

Further, the partition board comprises a fixing portion and a melting portion, the fixing portion is fixedly installed in the box body, an accommodating groove is formed in the fixing portion and is communicated with the first cavity and the second cavity, and the melting portion is fixed in the accommodating groove and separates the first cavity from the second cavity.

Further, the box body is provided with a liquid storage tank, the liquid storage tank is arranged at the bottom of the second cavity, and when the first cavity is communicated with the second cavity, the fire extinguishant enters the liquid storage tank in the second cavity from the first cavity.

Further, the battery charging box comprises a box door, the box door is installed on the box body, the highest position of the box door is lower than the partition plate, the lowest position of the box door is higher than the upper end notch of the liquid storage tank, the battery charging box is further provided with a door bolt and a locking portion, and when the door bolt is contained in the locking portion, the box door is fixed on the box body.

Further, be equipped with actuating mechanism on the box, actuating mechanism is equipped with backup pad, gear and driving motor, the backup pad is equipped with rack portion, rack portion with gear engagement, the gear is installed in driving motor's the pivot, one side of baffle with the box rotates and is connected, the opposite side of baffle with the backup pad butt.

Furthermore, the driving mechanism further comprises a temperature sensor and a first circuit board, a first hole and a second hole are formed in the box body, a probe of the temperature sensor penetrates through the second hole and extends into the second cavity, and the supporting plate penetrates through the first hole and extends into the second cavity and is abutted to the partition plate.

Further, the battery charging box is provided with a timer, and the timer is fixedly installed on the box body.

Furthermore, the box body is further provided with an electric leakage overload protection device and a second circuit board, the electric leakage overload protection device is electrically connected with the second circuit board, the timer is arranged on the second circuit board, the second circuit board is provided with a power supply hole and a charging hole, the electric leakage overload protection device and the charging hole are arranged in the second cavity, and the power supply hole is formed in the outer wall of the box body.

Further, the box body is provided with an inlet and an outlet, the inlet is communicated with the first cavity, and the outlet is arranged at the bottom of the box body and communicated with the second cavity.

Further, the bottom of the box body is provided with movable casters, and the movable casters are used for moving the battery charging box.

The utility model has the advantages that:

the utility model provides a battery charging case is provided with the thing of putting out a fire in first chamber, and when the battery takes place the thermal runaway, second chamber temperature risees, and the baffle reacts and makes first chamber and second chamber intercommunication, thereby the thing of putting out a fire can fall into second chamber and put out a fire from first chamber and prevent the condition deterioration, even the battery explodes, and the harm also can be controlled in the box, can not cause further harm for the external world.

Drawings

Fig. 1 is a perspective view of embodiment 1 of the present invention;

fig. 2 is a sectional view of embodiment 1 of the present invention;

fig. 3 is a perspective view of embodiment 2 of the present invention;

fig. 4 is a sectional view of embodiment 2 of the present invention;

fig. 5 is a perspective view of another perspective view of embodiment 2 of the present invention.

Detailed Description

In order to more clearly and completely explain the technical scheme of the present invention, the present invention is further explained with reference to the attached drawings.

Referring to fig. 1 and fig. 2, embodiment 1 of the present invention is:

the charging box comprises a box body 1, a fire extinguisher 2 and a partition plate 3, wherein a timer 10 is arranged on the box body 1, the timer 10 is used for timing charging time during charging, thermal runaway caused by battery overcharge can be effectively avoided, the partition plate 3 comprises a fixing part 31 and a melting part 32, the fixing part 31 is fixedly installed in the box body 1, an accommodating groove 33 is formed in the fixing part 31, the accommodating groove 33 is communicated with the first cavity 11 and the second cavity 12, and the melting part 32 is fixed in the accommodating groove 33 and separates the first cavity 11 and the second cavity 12. Preferably, the fire extinguishing object 2 in the first chamber 11 is water, the melting portion 32 is a wax block or a hot melt adhesive, when the battery charged in the second chamber 12 is out of control due to heat, the temperature of the second chamber 12 rises, the wax block or the hot melt adhesive is heated and melted, the first chamber 11 is communicated with the second chamber 12, and water flows from the first chamber 11 to the second chamber 12 to enter the liquid storage tank 13 to soak the battery, so as to prevent the fire from spreading and exploding. Meanwhile, when a short circuit occurs in the circuit in the box body 1, the leakage overload protection device 111 arranged in the box body 1 can be electrically connected with the second circuit board, the leakage overload protection device 111 can automatically cut off the circuit, the leakage overload protection device 111 is preferably an air switch or a leakage switch, and meanwhile, the door bolt 15 and the locking part 16 are locked to fix the box door 14 on the box body 1, so that damage can be controlled in the box body 1 in case of explosion. Meanwhile, the door 14 is positioned higher than the reservoir 13 so that water does not leak out of the door opening of the door 14 after entering the reservoir 13.

Referring to fig. 3, fig. 4 and fig. 5, embodiment 2 of the present invention is:

different from embodiment 1, the case 1 is further provided with a driving mechanism 17, the driving mechanism 17 is provided with a support plate 18, a gear 191, a driving motor 19, a temperature sensor 171 and a first circuit board 172, the support plate 18 is provided with a rack portion 181, the rack portion 181 is engaged with the gear 191, the gear 191 is mounted on a rotating shaft of the driving motor 19, the partition plate 3 is a whole plate, a shaft is mounted in the case 1, one side of the partition plate 3 is mounted on the shaft and can rotate around the shaft, the other side of the partition plate 3 is supported by the support plate 18, the case 1 is provided with a first hole (not marked in the figure) and a second hole (not marked in the figure), a probe of the temperature sensor 171 penetrates through the second hole and extends into the second cavity 12, and the support plate 18 penetrates through the first hole and extends into the second cavity 12 and supports the partition plate 3. When the battery in the second chamber 12 is out of control due to thermal runaway, the probe of the temperature sensor 171 in the second chamber 12 is sensed, and supported by the first circuit board 172, the driving motor 19 operates to drive the gear 191 to rotate, so that the rack 181 on the support plate 18 is rotated by the gear 191 to move, so that the support plate 18 moves in a direction away from the second chamber 12, when the support plate 18 is completely retracted into the first hole, one side of the partition plate 3 loses the support of the support plate 18, and rotates downward under the action of its own gravity and the pressure of the fire-extinguishing object 2, at this time, the first chamber 11 is communicated with the second chamber 12, and the fire-extinguishing object 2 falls into the first chamber 11 to extinguish a fire, and in this embodiment, the fire-extinguishing object 2 is preferably sand.

The utility model discloses still be equipped with on the box 1 and be used for putting into or discharging the import 110 and the export 120 of thing 2 put out a fire, import 110 with first chamber 11 intercommunication, export 120 sets up the bottom of box 1 and with second chamber 12 intercommunication, import 110 with export 120 is normally closed state, adds or discharges when needs the thing of putting out a fire, can open import 110 perhaps export 120. The box body 1 is further provided with a second circuit board 112 and a movable caster 4, the second circuit board 112 is provided with a charging hole 1122 and a power supply hole 1121, and the movable caster 4 is used for moving the battery charging box during transportation.

Of course, the present invention can also have other various embodiments, and based on the embodiments, other embodiments obtained by those skilled in the art without any creative work all belong to the protection scope of the present invention.

Claims

1. The utility model provides a battery charging case, its characterized in that contains the box, puts out a fire thing and baffle, the baffle is installed in the box and is used for placing with the space separation in the box the first chamber of putting out a fire thing and the second chamber that is used for placing the battery, works as when the battery of second intracavity is on fire, through the baffle makes first chamber with the second chamber is linked together, the thing of putting out a fire gets into from first chamber the second chamber is put out a fire.

2. The battery charging box of claim 1, wherein the partition comprises a fixing portion and a melting portion, the fixing portion is fixedly installed in the box body, the fixing portion defines a receiving groove, the receiving groove communicates with the first cavity and the second cavity, and the melting portion is fixed in the receiving groove and separates the first cavity and the second cavity.

3. The battery charging box according to claim 2, wherein the box body is provided with a liquid storage tank disposed at a bottom of the second chamber, and the fire extinguishing substance enters the liquid storage tank in the second chamber from the first chamber when the first chamber and the second chamber are communicated.

4. The battery charging box according to claim 3, wherein the battery charging box comprises a box door, the box door is mounted on the box body, the highest position of the box door is lower than the partition plate, the lowest position of the box door is higher than the upper end notch of the liquid storage tank, the battery charging box is further provided with a door bolt and a locking portion, and when the door bolt is accommodated in the locking portion, the box door is fixed on the box body.

5. The battery charging box according to claim 1, wherein the box body is provided with a driving mechanism, the driving mechanism is provided with a support plate, a gear and a driving motor, the support plate is provided with a rack portion, the rack portion is engaged with the gear, the gear is mounted on a rotating shaft of the driving motor, one side of the partition plate is rotatably connected with the box body, and the other side of the partition plate is abutted against the support plate.

6. The battery charging box of claim 5, wherein the driving mechanism further comprises a temperature sensor and a first circuit board, the box body is provided with a first hole and a second hole, a probe of the temperature sensor extends into the second cavity through the second hole, and the support plate extends into the second cavity through the first hole and abuts against the partition.

7. A battery charging box as claimed in claim 1, in which the battery charging box is provided with a timer, the timer being fixedly mounted on the housing.

8. The battery charging box according to claim 7, wherein the box body further comprises an electrical leakage overload protection device and a second circuit board, the electrical leakage overload protection device is electrically connected with the second circuit board, the timer is disposed on the second circuit board, the second circuit board is provided with a power hole and a charging hole, the electrical leakage overload protection device and the charging hole are disposed in the second cavity, and the power hole is disposed on an outer wall of the box body.

9. The battery charging box according to claim 1, wherein the case body is provided with an inlet port communicating with the first chamber and an outlet port provided at a bottom of the case body and communicating with the second chamber.

10. The battery charging box according to claim 1, wherein a movable caster is provided at a bottom of the case for movement of the battery charging box.