CN116031534A - Storage battery with fireproof device - Google Patents

Abstract

The utility model discloses a storage battery with a fireproof device, and relates to the technical field of storage battery fireproof. The fire-proof device comprises a shell, a dustproof net and four groups of storage batteries, wherein the dustproof net is arranged on the front side and the back side of the shell, the four groups of storage batteries are fixed at the bottom end inside the shell, fireproof devices are arranged on the outer walls of the front side and the back side of the shell, each fireproof device comprises a fireproof cross baffle plate, each fireproof cross baffle plate is arranged among the four groups of storage batteries, each fireproof cross baffle plate is fixed at the bottom end and the top end inside the shell, a temperature sensor is arranged in the middle inside each fireproof cross baffle plate, electric telescopic rods are arranged on the front inner wall and the rear inner wall of the top of each fireproof cross baffle plate, a push plate is fixed at the telescopic ends of each electric telescopic rod, a sliding groove is arranged between each push plate and the bottom of the shell, and three long strips are fixed on the outer surface of each push plate.

Description

Storage battery with fireproof device

Technical Field

The utility model relates to the technical field of storage battery fireproof, in particular to a storage battery with a fireproof device.

Background

The storage battery is a device for directly converting electric energy through chemical effect, has a charging function and can be recycled, and is an electric energy storage device used in production and life of people generally.

The utility model patent number CN212587598U discloses that the utility model relates to the technical field of electric energy, in particular to a storage battery device. The fireproof storage battery device comprises a shell with an open top, a lithium battery pack is arranged in the shell, a detachable cover body is arranged on the shell, fireproof gaskets are respectively arranged on the bottom surface and the top surface of the shell, each fireproof gasket comprises an insulating protection layer and a fireproof heat insulation layer arranged on the insulating protection layer, the lithium battery pack is positioned between the two fireproof gaskets, and the insulating protection layers separate the fireproof heat insulation layers from the lithium battery pack. By adopting the technical scheme, the lithium battery pack has remarkable fireproof effect, can be protected from being damaged by external force, and has a good heat dissipation effect.

However, the current fire-resistant storage battery device has the following problems: the fire-proof storage battery device adopts the sealed shell, is unfavorable for heat dissipation when a fire disaster occurs, so that heat cannot be dissipated, fire is unfavorable for extinguishing, and the fire extinguishing gasket of the fire-proof storage battery device cannot timely extinguish a fire source, so that a storage battery with the fire-proof device is provided.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides a storage battery with a fireproof device, which solves the heat dissipation problem in the background art.

In order to achieve the above purpose, the utility model is realized by the following technical scheme: the storage battery with the fireproof device comprises a shell, a dustproof net and four groups of storage batteries, wherein the dustproof net is arranged on the front side and the back side of the shell, the four groups of storage batteries are fixed at the bottom end inside the shell, the fireproof device is arranged on the outer walls of the front side and the back side of the shell, the fireproof device comprises a fireproof cross partition board, the fireproof cross partition board is arranged in the middle of the four groups of storage batteries, the fireproof cross partition board is fixed at the bottom end and the top end inside the shell, a temperature sensor is arranged in the middle of the inner part of the fireproof cross partition board, electric telescopic rods are arranged on the front inner wall and the rear inner wall of the top of the fireproof cross partition board, a push plate is fixed at the telescopic end of the electric telescopic rods, a sliding groove is arranged between the push plate and the bottom of the shell, the outer surface of the push plate is fixedly provided with three long strips, one end of the long strips, which is far away from the push plate, is provided with a plurality of layers of swing blades, the left middle part and the right middle part of each layer of swing blades are fixedly provided with a rotating rod, a torsion spring is arranged between each rotating rod and the inner wall of the shell, one end of each rotating rod, which is far away from the long strips, is fixedly provided with a knocking plate, when the battery is used by setting up the fireproof device, when the battery is on fire accidentally, the temperature sensor senses the heat in four groups of storage batteries, and simultaneously, the temperature sensor starts an electric telescopic rod through an electric wire, the electric telescopic rod pushes the push plate forwards, and the rotating multi-layer swing blades are turned outwards by ninety degrees through the cooperation of the long strips and the plurality of layers of swing blades, so that the shell is ventilated and the temperature is diffused, the shell is cooled, and the chain reaction caused by the fire is effectively prevented; when the multilayer swing leaves are not pushed and are in a closed state, a certain dustproof effect can be achieved.

Preferably, fire extinguishing devices are arranged on the left and right sides of the inside of the shell, each fire extinguishing device comprises two carbon dioxide gas storage chambers, the two carbon dioxide gas storage chambers are respectively fixed on the left and right inner walls of the shell, electric air valves are arranged on opposite faces of the carbon dioxide gas storage chambers, a return plate is fixed on the outside of each carbon dioxide gas storage chamber, a rotating baffle is arranged in the middle of each return plate, a torsion spring is arranged between each baffle and the inner wall of each return plate, a pressing plate is arranged at the top of one end of each baffle, which is far away from the fireproof cross baffle, a round rod is fixed at one end, which is far away from each return plate, of each round rod, a sleeve is slidably arranged at the bottom of each round rod, a spring is arranged in each sleeve, through the arrangement of the fire extinguishing devices, a plurality of layers of swing leaves are matched with each other through the knocking plates, the round rods and the pressing plates to move downwards, the baffles rotate ninety degrees to form a return channel, the closed return plates block the circulation of air flow in the shell, heat is led to diffuse outwards, the electric air valves are opened at the firing positions in four groups of storage batteries, high-pressure carbon dioxide gas in the carbon dioxide gas chambers are sprayed out rapidly, and flow in the return channels, and fire caused by the storage batteries are extinguished; the carbon dioxide gas sprayed by high pressure flows along the blocking loop channel rapidly, so that the temperature of the shell is reduced, and the heat flow is guided to be dispersed to the outside in an accelerating way, so that the heat dissipation is faster.

Preferably, the fireproof cross partition board is provided with a flow guiding device left and right, the flow guiding device comprises an electric reciprocating rod, the electric reciprocating rod is provided with one end far away from the carbon dioxide air storage chamber, a connecting plate is fixed at the telescopic end of the electric reciprocating rod, a sliding plate is fixed at the top of one end of the connecting plate far away from the electric reciprocating rod, the sliding plate is slidably arranged at the top of the fireproof cross partition board, a shell plate is fixed at the left and right of the bottom surface of the sliding plate, one end of the shell plate far away from the fireproof cross partition board penetrates through the flow guiding plate, a spring is arranged between the shell plate and the inner wall of the flow guiding plate, and through the arrangement of the flow guiding device, the electric reciprocating rod, the connecting plate, the sliding plate and the shell plate are matched with the flow guiding plate to move back and forth, so that air flow in a shell flows fast, heat is not accumulated, and heat dissipation is faster; meanwhile, the air flow of the guide plate acts on the carbon dioxide gas sprayed at high pressure, so that the fire extinguishing speed is further improved; in order to prevent the short circuit of four groups of storage batteries from igniting caused by vibration in the normal use process, under the action of the spring force in the shell plate, the guide plate is made to act on the four groups of storage batteries for buffering vibration, so that the short circuit of the four groups of storage batteries caused by vibration is avoided from igniting.

Preferably, the inside design of empty shell that is of fire prevention cross baffle, and be equipped with the opening about fire prevention cross baffle top, fire prevention cross baffle is fire-proof material, and fire prevention cross baffle is fire-proof material simultaneously, keeps apart four groups of batteries, lets the position of having a fire between the battery can not spread each other, protects normal battery to the intensity of a fire that the battery caused has been avoided is bigger.

Preferably, the multilayer swing blade is formed by a plurality of layers of plate surfaces, the inside of the multilayer swing blade is hollow, and the multilayer swing blade is of a multilayer ventilation structure, so that the shell is ventilated and diverged in temperature, the shell is cooled, and the chain reaction caused by ignition is effectively prevented.

Preferably, one end of the long strip plate far away from the push plate is located above the rotating rod.

Preferably, a round rod is arranged below one end of the knocking plate far away from the inner wall of the shell, and the knocking plate 46 is pressed down to act on the knocking plate.

Preferably, the temperature sensor is connected with the inside of the fireproof cross partition board through wires.

Preferably, one end of the guide plate far away from the shell plate contacts with four groups of storage batteries, the guide plate 62 is formed by a plurality of U-shaped plates, and the U-shaped plates are made of insulating materials.

The utility model provides a storage battery with a fireproof device. The beneficial effects are as follows:

(1) According to the utility model, through the arrangement of the fireproof device, when the battery is on fire accidentally, the temperature sensor senses the heat in the four groups of storage batteries, meanwhile, the temperature sensor starts the electric telescopic rod through the electric wire, the electric telescopic rod pushes the push plate forwards, the long slat and the multilayer swing blades are matched to rotate, and the rotating multilayer swing blades are turned over ninety degrees outwards, so that the shell is ventilated to emit the temperature, the shell is cooled, and the chain reaction caused by fire is effectively prevented; when the multilayer swing blades are not pushed and are in a closed state, a certain dustproof effect can be achieved; meanwhile, the fireproof cross partition plates are made of fireproof materials, four groups of storage batteries are isolated, the fire positions among the storage batteries cannot spread mutually, and the normal storage batteries are protected, so that the situation that the fire caused by the storage batteries is larger is avoided.

(2) According to the utility model, through the arrangement of the fire extinguishing device, the multi-layer swing blades move downwards through the cooperation of the knocking plate, the round rod and the pressing plate, the baffle rotates ninety degrees to form a backflow channel, the closed return plate blocks the circulation of air flow in the shell, the heat is guided to diffuse outwards, the electric air valve is opened to the fire position in the four groups of storage batteries, the high-pressure carbon dioxide gas in the carbon dioxide gas storage chamber is rapidly sprayed out, and flows in the return channel, so that the fire caused by the storage batteries is extinguished; the carbon dioxide gas sprayed by high pressure flows along the blocking loop channel rapidly, so that the temperature of the shell is reduced, and the heat flow is guided to be dispersed to the outside in an accelerating way, so that the heat dissipation is faster.

(3) According to the utility model, through the arrangement of the flow guiding device, the electric reciprocating motion rod, the connecting plate, the sliding plate and the shell plate move back and forth in cooperation with the flow guiding plate, so that air flow in the shell body is enabled to flow rapidly, heat is not accumulated, and heat dissipation is enabled to be faster; meanwhile, the air flow of the guide plate acts on the carbon dioxide gas sprayed at high pressure, so that the fire extinguishing speed is further improved; in order to prevent the short circuit of four groups of storage batteries from igniting caused by vibration in the normal use process, under the action of the spring force in the shell plate, the guide plate is made to act on the four groups of storage batteries for buffering vibration, so that the short circuit of the four groups of storage batteries caused by vibration is avoided from igniting.

Drawings

FIG. 1 is a schematic diagram of the overall utility model;

FIG. 2 is a schematic top view in cross section of the entirety of the present utility model;

FIG. 3 is a schematic top view of the fire protection apparatus of the present utility model;

fig. 4 is a schematic view showing a partial structure of a fire protection apparatus according to the present utility model;

FIG. 5 is a schematic top view of the fire extinguishing apparatus of the present utility model;

FIG. 6 is a schematic view of a portion of a fire suppression apparatus of the present utility model;

FIG. 7 is a schematic top view of a heat conduction device according to the present utility model;

fig. 8 is a schematic top view of the heat conduction device of the present utility model.

In the figure: 1. a housing; 2. a dust screen; 3. a storage battery; 4. a fire protection device; 5. a fire extinguishing device; 6. a flow guiding device; 41. multilayer swing leaves; 42. an electric telescopic rod; 43. fireproof cross partition boards; 44. a temperature sensor; 45. a rotating rod; 46. a striking plate; 47. a long slat; 48. a push plate; 51. a carbon dioxide gas storage chamber; 52. a round bar; 53. a pressing plate; 54. an electric air valve; 55. a baffle; 56. a return plate; 57. a sleeve; 61. an electric reciprocating lever; 62. a deflector; 63. a slide plate; 64. a shell plate; 65. and (5) connecting a plate.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

Referring to fig. 1-8, the present utility model provides a technical solution: the utility model provides a battery with fire protection device, including casing 1, dust screen 2 and four sets of battery 3, dust screen 2 installs in the front and the back of casing 1, make dust screen 2 carry out dustproof shielding to casing 1 main part, the short circuit that has prevented four sets of battery 3 because the dust causes fires, casing 1 inside bottom mounting has four sets of battery 3, casing 1 front and back outer wall all are equipped with fire protection device 4, fire protection device 4 includes fire prevention cross baffle 43, fire prevention cross baffle 43 sets up in the middle of four sets of battery 3, fire prevention cross baffle 43 is fixed at casing 1 inside bottom and top, install temperature sensor 44 in the middle of fire prevention cross baffle 43 inside, fire prevention cross baffle 43 is the fire prevention material, keep apart four sets of battery 3, make the fire position between the battery 3 can not spread each other, protect normal battery 3, the fire situation that the battery 3 caused is avoided is bigger, the front and rear inner walls of the top of the fireproof cross partition plate 43 are respectively provided with an electric telescopic rod 42, the telescopic ends of the electric telescopic rods 42 are fixedly provided with a push plate 48, a sliding groove is arranged between the push plate 48 and the bottom of the shell 1, the outer surface of the push plate 48 is fixedly provided with three long strips 47, one end of each long strip 47 far away from the push plate 48 is provided with a plurality of layers of swinging vanes 41, the middle parts of the left and right sides of the plurality of layers of swinging vanes 41 are fixedly provided with a rotating rod 45, a torsion spring is arranged between the rotating rod 45 and the inner wall of the shell 1, one end of each rotating rod 45 far away from each long strip 47 is fixedly provided with a knocking plate 46, the rotating plurality of layers of swinging vanes 41 are outwards turned ninety degrees, the plurality of swinging vanes 41 are of a multi-layer ventilation structure, thereby the shell 1 is ventilated and diverged to cool the shell 1, the chain reaction caused by fire is effectively prevented, the fire extinguishing device 5 is arranged at the left and right sides of the inside of the shell 1, the two carbon dioxide gas storage chambers 51 are respectively fixed on the left and right inner walls of the shell 1, electric air valves 54 are arranged on opposite surfaces of the carbon dioxide gas storage chambers 51, a circular plate 56 is fixed outside the carbon dioxide gas storage chambers 51, a rotating baffle plate 55 is arranged in the middle of the circular plate 56, a torsion spring is arranged between the baffle plate 55 and the inner wall of the circular plate 56, a pressing plate 53 is arranged at the top of one end of the baffle plate 55 far away from the fireproof cross baffle plate 43, a round rod 52 is fixed at one end of the pressing plate 53 far away from the circular plate 56, a sleeve 57 is slidably arranged at the bottom of the round rod 52, a spring is arranged in the sleeve 57, the circular plate 56 is closed, a backflow channel is formed, the closed circular plate 56 blocks the circulation of air flow in the shell 1, heat is guided to diffuse outwards, high-pressure carbon dioxide gas in the carbon dioxide gas storage chambers 51 is rapidly sprayed out, flows in the backflow channel, thereby putting out the fire situation that the storage battery 3 causes, the fire prevention cross baffle 43 all is equipped with the guiding device 6 about, the guiding device 6 includes the electronic reciprocating motion pole 61, electronic reciprocating motion pole 61 all sets up the one end far away from the carbon dioxide air receiver 51, the flexible end of electronic reciprocating motion pole 61 is fixed with connecting plate 65, connecting plate 65 is fixed with slide 63 in the top of one end far away from electronic reciprocating motion pole 61, slide 63 slidable mounting is at the top of fire prevention cross baffle 43, be fixed with shell plate 64 about the bottom surface of slide 63, the one end far away from fire prevention cross baffle 43 of shell plate 64 runs through slidable mounting has guide plate 62, be equipped with the spring between shell plate 64 and the guide plate 62 inner wall, the air current in the casing 1 circulates fast, make the heat not pile up, thereby make the heat dissipation faster; simultaneously, the deflector 62 blows air to act on the carbon dioxide gas sprayed at high pressure, so that the fire extinguishing speed is further improved; in order to prevent the short circuit that vibrations lead to four sets of battery 3 from firing at ordinary times in the use, under the spring force effect in the shell plate 64, let the baffle 62 elasticity effect buffering four sets of battery 3 of vibrations to avoided four sets of battery 3 to fire because of the short circuit that vibrations lead to, the inside empty shell design that is of fire prevention cross baffle 43, and be equipped with the opening about fire prevention cross baffle 43 top, fire prevention cross baffle 43 is fire-proof material, multilayer pendulum leaf 41 is the multilayer face constitution, and inside cavity, the one end that the push pedal 48 was kept away from to long slat 47 is located bull stick 45 top, the one end below that the shell 1 inner wall was kept away from to the beating plate 46 is equipped with round bar 52, the beating plate 46 pushes down and acts on beating plate 46, inside the fire prevention cross baffle 43 is connected to the electric wire of temperature-sensing ware 44, the one end that the shell plate 64 was kept away from to the baffle 62 touches with four sets of battery 3, baffle 62 is the multi-disc U-shaped plate constitution, and the U-shaped plate is insulating material.

When the anti-dust device is used, the anti-dust screen 2 is arranged, so that the anti-dust screen 2 can shield the main body of the shell 1, and the short circuit fire of the four groups of storage batteries 3 caused by dust is effectively prevented; when the battery is on fire accidentally, the temperature sensor 44 senses the heat in the four groups of storage batteries 3, so that the fire position of the four groups of storage batteries 3 is determined; meanwhile, the temperature sensor 44 starts the electric telescopic rod 42 through an electric wire, the electric telescopic rod 42 pushes the push plate 48 forwards, the push plate 48 enables the long slat 47 to push the multi-layer swing blade 41 to rotate, the rotating multi-layer swing blade 41 turns ninety degrees outwards, and the multi-layer swing blade 41 is of a multi-layer ventilation structure, so that the shell 1 is ventilated and diverged in temperature, the shell 1 is cooled, and chain reactions caused by ignition are effectively prevented; when the multilayer swing blades 41 are not pushed and are in a closed state, a certain dustproof effect can be achieved; meanwhile, the fireproof cross partition plates 43 are made of fireproof materials, and are used for isolating the four groups of storage batteries 3, so that the fire positions among the storage batteries 3 cannot spread mutually, the normal storage batteries 3 are protected, and the situation that the fire caused by the storage batteries 3 is larger is avoided.

Meanwhile, the multi-layer swing blades 41 rotate to drive the rotating rods 45 to rotate ninety degrees, the rotating rods 45 drive the knocking plates 46 to move downwards, the knocking plates 46 press down the round rods 52, the round rods 52 enable the pressing plates 53 to move downwards, the pressing plates 53 press down the baffle plates 55 unfolded by the return plates 56, the baffle plates 55 rotate ninety degrees, the return plates 56 are closed, a return flow channel is formed, the closed return plates 56 block the circulation of air flow in the shell 1, heat is guided to spread outwards, meanwhile, the electric air valves 54 connected with the temperature sensors 44 through wires are started, the electric air valves 54 are opened to the firing positions in the four groups of storage batteries 3, high-pressure carbon dioxide gas in the carbon dioxide gas storage chambers 51 is rapidly sprayed out, and flows in the return flow channel, so that fire caused by the storage batteries 3 is extinguished; the carbon dioxide gas sprayed by high pressure flows along the blocking loop channel rapidly, so that the temperature of the shell 1 is reduced, the heat flow is accelerated and guided to be dispersed to the outside, the heat dissipation is faster, and the fire extinguishing speed is improved; when the sleeve 57 springs to reset the round rod 52, the torsion springs reset the baffle 55, the baffle 55 rotates ninety degrees, the baffle 55 is in an unfolding state, and internal gas can smoothly circulate, so that short circuit and fire caused by high temperature of the four groups of storage batteries 3 in working are effectively prevented.

Meanwhile, the telescopic end of the electric reciprocating rod 61 moves back and forth, the electric reciprocating rod 61 drives the connecting plate 65 to move back and forth, the connecting plate 65 drives the sliding plate 63 to move back and forth, the sliding plate 63 drives the shell plate 64, the guide plate 62 of the shell plate 64 moves back and forth, and the moving guide plate 62 has a certain fan effect, so that air flow in the shell 1 is fast circulated, heat is not accumulated, and heat dissipation is faster; simultaneously, the deflector 62 blows air to act on the carbon dioxide gas sprayed at high pressure, so that the fire extinguishing speed is further improved; in order to prevent the short circuit of the four groups of storage batteries 3 from firing caused by vibration in the normal use process, under the elastic force of the springs in the shell plate 64, the guide plate 62 is enabled to be elastically acted on the four groups of storage batteries 3 for buffering vibration, so that the short circuit of the four groups of storage batteries 3 caused by vibration is avoided from firing.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims (9)

1. The utility model provides a battery with fire prevention device, includes casing (1), dust screen (2) and four battery (3) of group, dust screen (2) are installed in the front and the back of casing (1), and the inside bottom mounting of casing (1) has four battery (3) of group, its characterized in that: the utility model discloses a fire protection device for a battery pack, including casing (1), casing (1) openly and the back outer wall all are equipped with fire protection device (4), fire protection device (4) are including fire prevention cross baffle (43), fire prevention cross baffle (43) set up in the middle of four group battery (3), fire prevention cross baffle (43) are fixed in casing (1) inside bottom and top, install temperature-sensing ware (44) in the middle of fire prevention cross baffle (43) are inside, inner wall all is provided with electric telescopic handle (42) around fire prevention cross baffle (43) top, electric telescopic handle (42)'s flexible end is fixed with push pedal (48), be equipped with the spout between push pedal (48) and casing (1) bottom, the surface mounting of push pedal (48) has three slat (47), and three slat (47) are kept away from the one end of push pedal (48) is equipped with multilayer pendulum leaf (41), the middle part is fixed with bull stick (45) about multilayer pendulum leaf (41), be equipped with the torsional spring between bull stick (45) and the casing (1) inner wall, the one end that slat (45) kept away from slat (47) is fixed with and strikes slat (46).

2. A battery with fire protection as defined in claim 1, wherein: fire extinguishing device (5) are all provided with about inside casing (1), fire extinguishing device (5) are including two carbon dioxide gas storage chambers (51), two carbon dioxide gas storage chambers (51) are fixed respectively at the inner wall about casing (1), carbon dioxide gas storage chamber (51) opposite face all is equipped with electronic pneumatic valve (54), carbon dioxide gas storage chamber (51) external fixation has return plate (56), be equipped with pivoted baffle (55) in the middle of return plate (56), be equipped with the torsional spring between baffle (55) and return plate (56) inner wall, baffle (55) are kept away from fire prevention cross baffle (43) one end top and are equipped with clamp plate (53), clamp plate (53) are kept away from return plate (56) one end and are fixed with round bar (52), round bar (52) bottom slidable mounting has sleeve (57), sleeve (57) inside is equipped with the spring.

3. A battery with fire protection as defined in claim 1, wherein: the fire prevention cross baffle (43) all is equipped with guiding device (6) about, guiding device (6) are including electronic reciprocating motion pole (61), electronic reciprocating motion pole (61) all set up the one end of keeping away from carbon dioxide gas receiver 51, the flexible end of electronic reciprocating motion pole (61) is fixed with connecting plate (65), connecting plate (65) keep away from electronic reciprocating motion pole (61) one end top and are fixed with slide (63), slide (63) slidable mounting is at fire prevention cross baffle (43) top, be fixed with shell plate (64) about slide (63) bottom surface, the one end that fire prevention cross baffle (43) was kept away from to shell plate (64) runs through slidable mounting has guide plate (62), be equipped with the spring between shell plate (64) and guide plate (62) inner wall.

4. A battery with fire protection as defined in claim 1, wherein: the inside of the fireproof cross partition board (43) is of a blank design, openings are formed in the left and right sides of the top of the fireproof cross partition board (43), and the fireproof cross partition board (43) is made of fireproof materials.

5. A battery with fire protection as defined in claim 1, wherein: the multilayer swing blade (41) is composed of a plurality of layers of plate surfaces and is hollow.

6. A battery with fire protection as defined in claim 1, wherein: one end of the long slat (47) far away from the push plate (48) is positioned above the rotating rod (45).

7. A battery with fire protection as defined in claim 1, wherein: a round rod (52) is arranged below one end, far away from the inner wall of the shell 1, of the knocking plate (46), and the knocking plate (46) is pressed down to act on the knocking plate (46).

8. A storage battery with a fire protection device according to claim 2, characterized in that the temperature sensor (44) is wired inside the fire protection cross-plate (43).

9. A battery with fire protection arrangement according to claim 3, characterized in that: one end of the guide plate (62) far away from the shell plate (64) is contacted with the four groups of storage batteries (3), the guide plate (62) is formed by a plurality of U-shaped plates, and the U-shaped plates are made of insulating materials.

Images