CN116031534A - Storage battery with fireproof device - Google Patents

Abstract

The invention discloses a storage battery with a fire prevention device, and relates to the technical field of storage battery fire prevention. The invention comprises a housing, a dust-proof net and four sets of storage batteries. The dust-proof net is installed on the front and back of the housing, and four sets of storage batteries are fixed at the inner bottom of the housing. Fireproof device, the fireproof device includes a fire-proof cross partition, the fire-proof cross partition is arranged in the middle of four sets of batteries, the fire-proof cross partition is fixed at the bottom and top inside the shell, and the middle of the fire-proof cross partition is A temperature sensor is installed, and electric telescopic rods are provided on the front and rear inner walls of the top of the fire-proof cross partition, and a push plate is fixed at the telescopic end of the electric telescopic rod, and a chute is provided between the push plate and the bottom of the shell. The outer surface of the push plate is fixed with three strips, and the present invention thus realizes the problem of heat dissipation in case of fire, thereby avoiding that the heat cannot be dissipated, which is unfavorable for fire extinguishing.

Description

A storage battery with a fireproof device

technical field

The invention relates to the technical field of battery fire prevention, in particular to a battery with a fire prevention device.

Background technique

The battery is a device that directly converts electrical energy through chemical effects. It has the function of charging and can be recycled. The battery is usually a kind of electric energy storage device used in people's production and life. It has a large and stable voltage capacity, while the existing battery In the process of use, once a fire occurs, there are no fire prevention measures between multiple sets of batteries, and it is easy to cause joint fires.

The utility model patent with the patent number CN212587598U discloses that the utility model relates to the field of electric energy technology, and in particular relates to a storage battery device. A fire-proof battery device, including a shell with an open top, a lithium battery pack inside the shell, a detachable cover on the shell, fire-proof gaskets on the bottom and top of the shell, and the fire-proof gaskets include insulation The protective layer, the fire-proof and heat-insulating layer arranged on the insulating protective layer, the lithium battery pack is located between the two fire-proof gaskets, and the insulating protective layer separates the fire-proof and heat-insulating layer from the lithium battery pack. Due to the adoption of the above-mentioned technical scheme, the utility model not only has a remarkable fire prevention effect, but also can protect the lithium battery pack from being damaged by external forces, and also has a better heat dissipation effect.

However, there are the following problems in the current fire-proof battery device: the fire-proof battery device adopts a sealed shell, which is not conducive to heat dissipation in the event of a fire, so that the heat cannot be dissipated, which is not conducive to fire extinguishing, and the fire-extinguishing gasket of the fire-proof battery device is also unfavorable. The fire source cannot be extinguished in time, so we propose a storage battery with a fire prevention device.

Contents of the invention

Aiming at the deficiencies of the prior art, the present invention provides a storage battery with a fireproof device, which solves the problem of heat dissipation in the above-mentioned background art.

In order to achieve the above object, the present invention is achieved through the following technical solutions: a storage battery with a fireproof device, including a casing, a dust-proof net and four sets of storage batteries, the dust-proof net is installed on the front and back of the casing, and the casing Four sets of storage batteries are fixed at the inner bottom, and the front and back outer walls of the housing are equipped with fire prevention devices, the fire protection devices include fireproof cross partitions, and the fireproof cross partitions are arranged in the middle of the four groups of storage batteries. The clapboard is fixed at the bottom and top of the shell, and a temperature sensor is installed in the middle of the fireproof cross clapboard, and electric telescopic rods are arranged on the front and rear inner walls of the top of the fireproof cross clapboard, and the telescopic end of the electric telescopic rod A push plate is fixed, a chute is provided between the push plate and the bottom of the housing, three strips are fixed on the outer surface of the push plate, and the ends of the three strips away from the push plate are provided with multi-layer Swing leaf, the left and right middle parts of the multi-layer swing leaf are fixed with a rotating rod, a torsion spring is arranged between the rotating rod and the inner wall of the housing, and a knocking plate is fixed at the end of the rotating rod far away from the long slab, through the fire prevention device When the setting is used, when the battery catches fire accidentally, the temperature sensor senses the heat in the four sets of batteries, and at the same time the temperature sensor activates the electric telescopic rod through the wire, and the electric telescopic rod pushes the push plate forward, through the long board and multiple The multi-layer swing leaves cooperate to rotate, and the rotating multi-layer swing leaves are turned outward by 90 degrees, so that the shell can be ventilated and the temperature can be diverged, and the shell can be cooled, effectively preventing the chain reaction caused by fire; when the multi-layer swing leaves are not pushed , in the closed state, can play a certain role in dust.

Preferably, fire extinguishing devices are arranged on the left and right inside the housing, and the fire extinguishing devices include two carbon dioxide gas storage chambers, and the two carbon dioxide gas storage chambers are respectively fixed on the left and right inner walls of the housing, and the opposite sides of the carbon dioxide gas storage chambers are All are equipped with electric gas valves, and a return-shaped plate is fixed outside the carbon dioxide gas storage chamber, a rotating baffle is arranged in the middle of the return-shaped plate, and a torsion spring is arranged between the baffle and the inner wall of the return-shaped plate, so that There is a pressure plate on the top of the end of the baffle far away from the fire-proof cross partition, and a round rod is fixed on the end of the pressure plate far away from the return plate. A sleeve is slidably installed on the bottom of the round rod, and a spring is arranged inside the sleeve. The setting makes the multi-layer pendulum leaf move downward through the cooperation of the knock plate, the round rod and the pressure plate, so that the baffle plate rotates 90 degrees to form a return flow channel. The closed return-shaped plate blocks the flow of air in the shell and guides the heat to Outward diffusion, the electric gas valve opens the fire position among the four batteries, so that the high-pressure carbon dioxide gas in the carbon dioxide gas storage chamber can be ejected quickly, and flow in the return channel, thereby extinguishing the fire caused by the battery; while the high-pressure ejected carbon dioxide gas can quickly Flow along the blocked back-shaped channel, so that the temperature of the lower shell is lowered, and the heat flow is accelerated to guide the evacuation to the outside, so that the heat dissipation is faster.

Preferably, the left and right sides of the fire-proof cross partition are provided with diversion devices, and the diversion devices include electric reciprocating rods, and the electric reciprocating rods are all set at one end far away from the carbon dioxide gas storage chamber, and the electric reciprocating motion The telescopic end of the rod is fixed with a connecting plate, and a slide plate is fixed on the top of the end of the connecting plate far away from the electric reciprocating rod, and the slide plate is slidably installed on the top of the fireproof cross partition, and the left and right sides of the bottom surface of the slide plate are fixed with shell plates, and the shell plate The end far away from the fire-proof cross partition is slidably installed with a deflector, and a spring is arranged between the shell plate and the inner wall of the deflector. Through the setting of the deflector, the electric reciprocating rod, the connecting plate, the slide plate and the shell plate Cooperate with the deflector to move back and forth, so that the airflow in the shell can circulate quickly, so that the heat will not accumulate, so that the heat dissipation will be faster; at the same time, the fan of the deflector will act on the high-pressure erupted carbon dioxide gas, so that the fire extinguishing speed will be further improved; In order to prevent short-circuit and fire of the four batteries caused by vibration during normal use, under the action of the spring force in the shell, let the elastic force of the deflector buffer the four batteries that vibrate, thus avoiding the short circuit caused by the vibration of the four batteries fire.

Preferably, the inside of the fire-proof cross partition is designed as an empty shell, and the top of the fire-proof cross partition is provided with openings on the left and right. The fire-proof cross partition is made of fire-proof material, and the fire-proof cross partition is also made of fire-proof material to isolate the four sets of batteries. , so that the fire positions between the batteries cannot spread to each other, and protect the normal batteries, thereby avoiding a larger fire caused by the batteries.

Preferably, the multi-layer swing leaf is composed of multi-layer boards, and the interior is hollow, and the multi-layer swing leaf is a multi-layer ventilation structure, so that the casing can be ventilated to disperse the temperature, and the casing can be cooled, effectively preventing the chain caused by fire. reaction.

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

Preferably, a round bar is provided under the end of the knocking plate away from the inner wall of the housing, and the knocking plate 46 presses down on the knocking plate.

Preferably, the temperature sensor wires are connected to the interior of the fire cross partition.

Preferably, the end of the deflector away from the shell plate is in contact with the four sets of batteries, the deflector 62 is composed of multiple U-shaped plates, and the U-shaped plates are insulating materials.

The invention provides a storage battery with a fireproof device. Has the following beneficial effects:

(1) In the present invention, through the setting of the fire prevention device, when the battery catches fire accidentally, the temperature sensor senses the heat in the four sets of batteries, and at the same time, the temperature sensor activates the electric telescopic rod through the wire, and the electric telescopic rod pushes the push plate forward , through the cooperation of the long board and the multi-layer swing leaf to rotate, the rotating multi-layer swing leaf turns outward 90 degrees, so that the shell can ventilate and diverge the temperature, and the shell cools down, effectively preventing the chain reaction caused by fire; when The multi-layer swing leaf is not pushed, and when it is in the closed state, it can play a certain role in dust prevention; at the same time, the fireproof cross partition is made of fireproof material, which isolates the four sets of batteries, so that the fire positions between the batteries cannot spread to each other, and the protection is normal. battery, thereby avoiding the fire caused by the battery.

(2) In the present invention, through the setting of the fire extinguishing device, the multi-layer swing leaves are moved downward through the cooperation of the knocking plate, the round rod and the pressing plate, so that the baffle plate is rotated 90 degrees to form a return flow channel, and the closed back-shaped plate barrier shell The circulation of the air flow in the body guides the heat to spread outward, and the electric gas valve opens the fire position among the four sets of batteries, so that the high-pressure carbon dioxide gas in the carbon dioxide gas storage chamber can be ejected quickly and flow in the circuit, thereby extinguishing the fire caused by the batteries ; while the high-pressure ejected carbon dioxide gas quickly circulates along the blocked back-shaped channel, thereby reducing the temperature of the lower shell, and accelerating the evacuation of the heat flow to the outside, allowing faster heat dissipation.

(3), the present invention makes the electric reciprocating rod, the connecting plate, the slide plate and the shell plate cooperate with the deflector to move back and forth through the setting of the deflector, so that the airflow in the shell can circulate quickly, so that the heat is not accumulated, so that The heat dissipation is faster; at the same time, the deflector fan acts on the high-pressure erupted carbon dioxide gas, thereby further improving the fire extinguishing speed; in order to prevent the short-circuit fire of the four sets of batteries caused by vibration during normal use, the spring force in the shell plate Next, let the elastic force of the deflector dampen the vibration of the four sets of batteries, thus avoiding the short circuit and fire caused by the vibration of the four sets of batteries.

Description of drawings

Fig. 1 is the overall schematic diagram of the present invention;

Fig. 2 is a schematic cross-sectional top view of the whole of the present invention;

Fig. 3 is a top view schematic diagram of the fire prevention device of the present invention;

Fig. 4 is a partial structural schematic diagram of the fire prevention device of the present invention;

Fig. 5 is a top view schematic diagram of the fire extinguishing device of the present invention;

Fig. 6 is a partial schematic view of the fire extinguishing device of the present invention;

Fig. 7 is a schematic top view of the heat conduction device of the present invention;

FIG. 8 is a schematic top view of the heat conduction device of the present invention.

In the figure: 1. Housing; 2. Dust-proof net; 3. Battery; 4. Fire prevention device; 5. Fire extinguishing device; Cross partition; 44, temperature sensor; 45, rotating rod; 46, knocking plate; 47, strip plate; 48, push plate; 51, carbon dioxide gas storage chamber; 52, round rod; 53, pressing plate; Electric gas valve; 55, baffle plate; 56, return plate; 57, sleeve; 61, electric reciprocating rod; 62, guide plate; 63, slide plate; 64, shell plate; 65, connection plate.

Detailed ways

The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention.

Please refer to Figures 1-8, the present invention provides a technical solution: a storage battery with a fireproof device, including a casing 1, a dust-proof net 2 and four sets of storage batteries 3, and the dust-proof net 2 is installed on the front of the casing 1 and the back, so that the dust-proof net 2 can cover the main body of the housing 1 from dust, preventing the short-circuit fire of the four batteries 3 caused by dust. The bottom of the housing 1 is fixed with four batteries 3. The outer walls are equipped with a fireproof device 4, the fireproof device 4 includes a fireproof cross partition 43, the fireproof cross partition 43 is arranged in the middle of the four sets of batteries 3, the fireproof cross partition 43 is fixed on the bottom and top of the shell 1, the fireproof cross partition A temperature sensor 44 is installed in the middle of the inside of the plate 43, and the fireproof cross partition 43 is a fireproof material to isolate the four sets of batteries 3, so that the fire positions between the batteries 3 cannot spread to each other, protect the normal batteries 3, and avoid the damage caused by the batteries 3. The intensity of the fire is bigger, and the front and rear inner walls of the top of the fire-proof cross partition 43 are all provided with electric telescopic rods 42, and the telescopic ends of the electric telescopic rods 42 are fixed with push plates 48, and a chute is provided between the push plate 48 and the bottom of the housing 1. The outer surface of the plate 48 is fixed with three strips 47, and the end of the three strips 47 away from the push plate 48 is provided with a multilayer swing leaf 41, and the left and right middle parts of the multilayer swing leaf 41 are fixed with a rotating rod 45. A torsion spring is arranged between the inner walls of the housing 1, and a knocking plate 46 is fixed on the end of the rotating rod 45 far away from the strip plate 47. The rotating multi-layer pendulum leaf 41 is turned outward by 90 degrees, and the multi-layer pendulum leaf 41 is a multi-layer Ventilation structure, so that the casing 1 can be ventilated to dissipate the temperature, and the casing 1 can be cooled to effectively prevent the chain reaction caused by fire. The inside of the casing 1 is equipped with a fire extinguishing device 5 on the left and right, and the fire extinguishing device 5 includes two carbon dioxide gas storage chambers 51 , two carbon dioxide gas storage chambers 51 are respectively fixed on the left and right inner walls of the housing 1, the opposite sides of the carbon dioxide gas storage chambers 51 are provided with electric valves 54, the carbon dioxide gas storage chambers 51 are fixed with a back-shaped plate 56, and the middle of the back-shaped plate 56 is arranged Rotating baffle plate 55 is arranged, and torsion spring is provided between baffle plate 55 and back-shaped plate 56 inwalls, and baffle plate 55 is provided with pressing plate 53 away from fireproof cross partition 43 one end tops, and pressing plate 53 is fixed with circle away from back-shaped plate 56 one end. A sleeve 57 is slidingly installed on the bottom of the rod 52 and the round rod 52. A spring is arranged inside the sleeve 57 to close the return-shaped plate 56 and form a return flow channel. The closed return-shaped plate 56 blocks the circulation of the air flow in the housing 1 and guides the heat Diffusion outward, the high-pressure carbon dioxide gas in the carbon dioxide gas storage chamber 51 is quickly ejected, and flows in the return channel, thereby extinguishing the fire caused by the battery 3. The left and right sides of the fireproof cross partition 43 are equipped with a flow guide device 6, a flow guide device 6 Including the electric reciprocating rod 61, the electric reciprocating rod 61 is set away from one end of the carbon dioxide gas storage chamber 51, the telescopic end of the electric reciprocating rod 61 is fixed with a connecting plate 65, and the connecting plate 65 is fixed on the top of one end away from the electric reciprocating rod 61 Sliding plate 63, the sliding plate 63 is slidably installed on the top of the fire-proof cross partition 43, the bottom surface of the slide plate 63 is fixed with a shell plate 64 on the left and right, and the end of the shell plate 64 away from the fire-proof cross partition 43 is slidably installed with a deflector 62, and the shell plate 64 and the deflector Springs are arranged between the inner walls of the flow plates 62, and the air flow in the housing 1 circulates quickly, so that the heat does not accumulate, so that the heat dissipation is faster; at the same time, the flow deflector 62 acts on the high-pressure erupted carbon dioxide gas, so that the fire extinguishing speed It is also further improved; in order to prevent the short circuit of the four sets of batteries 3 from causing fire during use at ordinary times, under the action of the spring force in the shell plate 64, the elastic force of the deflector 62 is used to cushion the shock of the four sets of batteries 3, thereby avoiding The four groups of storage batteries 3 catch fire due to the short circuit caused by the vibration. The inside of the fireproof cross partition 43 is designed as an empty shell, and the top of the fireproof cross partition 43 is provided with openings on the left and right. The fireproof cross partition 43 is a fireproof material. The laminate surface is formed, and the inside is hollow, the end of the strip plate 47 away from the push plate 48 is located above the rotating rod 45, and the knock plate 46 is provided with a round rod 52 below the end far away from the inner wall of the housing 1, and the knock plate 46 is pressed down. On the knock plate 46, the temperature sensor 44 wires are connected to the inside of the fireproof cross partition 43, and the end of the deflector 62 away from the shell plate 64 is in contact with the four sets of batteries 3. The deflector 62 is composed of multiple U-shaped plates, and The U-shaped board is an insulating material.

When in use, the setting of the dust-proof net 2 enables the dust-proof net 2 to shield the main body of the housing 1 from dust, thereby effectively preventing the short-circuit fire caused by the dust in the four sets of batteries 3; when the battery catches fire accidentally, the temperature sensing The sensor 44 senses the heat among the four sets of accumulators 3, thereby determining the position where the four sets of accumulators 3 catch fire; at the same time, the temperature sensor 44 starts the electric telescopic rod 42 through the electric wire, and the electric telescopic rod 42 pushes the push plate 48 forward, and the push plate 48 makes the The strip plate 47 is pushed forward, and the strip plate 47 pushes the multi-layer swing leaf 41 to rotate, and the rotating multi-layer swing leaf 41 turns outward at 90 degrees. The multi-layer swing leaf 41 is a multi-layer ventilation structure, so that the housing 1 Ventilation and divergence temperature, cooling the shell 1, effectively preventing the chain reaction caused by fire; when the multi-layer pendulum 41 is not pushed and is in a closed state, it can play a certain role in dust prevention; at the same time, the fireproof cross partition 43 For fire-proof material, carry out isolation four groups of storage batteries 3, allow the fire position between storage batteries 3 can not spread mutually, protect normal storage battery 3, thereby avoided the intensity of a fire that storage storage battery 3 causes bigger.

Simultaneously, the rotation of the multi-layer pendulum leaf 41 drives the ninety-degree rotation of the rotary rod 45. The rotary rod 45 drives the knocking plate 46 to move downward, and the knocking plate 46 presses the round rod 52, and the round rod 52 makes the pressing plate 53 move downward. The pressing plate 53 presses the baffle plate 55 expanded by the back-shaped plate 56, and the baffle plate 55 is rotated ninety degrees to close the back-shaped plate 56 and form a return flow channel. The closed back-shaped plate 56 blocks the circulation of the airflow in the housing 1, Guide the heat to spread outward, and at the same time, the electric gas valve 54 connected by the temperature sensor 44 wires starts, and the electric gas valve 54 opens the fire position among the four sets of storage batteries 3, so that the high-pressure carbon dioxide gas in the carbon dioxide gas storage chamber 51 can be ejected rapidly, Flow in the loop to extinguish the fire caused by the battery 3; and the high-pressure carbon dioxide gas quickly flows along the blocked loop, thereby reducing the temperature of the casing 1 and accelerating the heat flow to the outside to allow heat dissipation Faster, the speed of fire extinguishing is improved; when the spring of the sleeve 57 resets the round rod 52, and the torsion spring resets the baffle 55 at the same time, the baffle 55 rotates 90 degrees, and the baffle 55 is in an unfolded state, allowing the internal air to circulate smoothly, thereby effectively It has prevented the short circuit fire caused by the high temperature of the four sets of storage batteries 3 in the work.

At the same time, 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 slide plate 63 to move back and forth, the sliding slide plate 63 drives the shell plate 64, and the deflector 62 of the shell plate 64 Moving back and forth, the moving deflector 62 has a certain fan effect, so that the airflow in the housing 1 can circulate quickly, so that the heat does not accumulate, thereby making the heat dissipation faster; at the same time, the deflector 62 fan acts on the high-pressure eruption Carbon dioxide gas, so that the fire extinguishing speed is also further improved; usually in the course of use, in order to prevent the vibration from causing the short circuit of the four sets of batteries 3 to catch fire, under the action of the spring force in the shell plate 64, the elastic force of the deflector plate 62 is used to buffer the vibration of the four sets of batteries. Group accumulator 3, thereby avoided the four groups of accumulator 3 short circuit fires caused by vibration.

The above is only a preferred embodiment of the present invention, but the scope of protection of the present invention is not limited thereto, any person familiar with the technical field within the technical scope disclosed in the present invention, according to the technical solution of the present invention Any equivalent replacement or change of the inventive concepts thereof shall fall within the protection scope of the present invention.

Claims (9)

1. A storage battery with a fireproof device, comprising a casing (1), a dustproof net (2) and four sets of storage batteries (3), and the dustproof net (2) is installed on the front and back of the casing (1) , four groups of storage batteries (3) are fixed at the inner bottom of the casing (1), and it is characterized in that: the front and back outer walls of the casing (1) are provided with fire prevention devices (4), and the fire prevention devices (4) include A fire-proof cross partition (43), the fire-proof cross partition (43) is arranged in the middle of four sets of batteries (3), and the fire-proof cross partition (43) is fixed on the bottom and top inside the casing (1), so A temperature sensor (44) is installed in the middle of the fireproof cross partition (43), and electric telescopic rods (42) are provided on the front and rear inner walls of the top of the fireproof cross partition (43), and the electric telescopic rods (42) The telescoping end is fixed with a push plate (48), a chute is provided between the push plate (48) and the bottom of the housing (1), and three strip plates (47) are fixed on the outer surface of the push plate (48). , the end of the three strips (47) away from the push plate (48) is provided with a multi-layer swing leaf (41), and the left and right middle parts of the multi-layer swing leaf (41) are fixed with a rotating rod (45). A torsion spring is provided between the rotating rod (45) and the inner wall of the housing (1), and a knocking plate (46) is fixed on the end of the rotating rod (45) away from the strip plate (47). 2. A storage battery with a fire prevention device according to claim 1, characterized in that fire extinguishing devices (5) are arranged on the left and right sides of the housing (1), and the fire extinguishing devices (5) include two carbon dioxide Gas storage chamber (51), two described carbon dioxide gas storage chambers (51) are respectively fixed on the left and right inner walls of the housing (1), and the opposite sides of the carbon dioxide gas storage chambers (51) are provided with electric gas valves (54), so The outside of the carbon dioxide gas storage chamber (51) is fixed with a back-shaped plate (56), and a rotating baffle plate (55) is provided in the middle of the described back-shaped plate (56). ) is provided with a torsion spring between the inner walls, and the top of the baffle plate (55) away from the fireproof cross partition (43) is provided with a pressing plate (53), and the end of the pressing plate (53) away from the back-shaped plate (56) is fixed with a round Rod (52), the bottom of the round rod (52) is slidably mounted with a sleeve (57), and a spring is arranged inside the sleeve (57). 3. A storage battery with a fireproof device according to claim 1, characterized in that: said fireproof cross partition (43) is provided with flow guiding devices (6) on the left and right sides, and said flow guiding devices (6) It includes an electric reciprocating rod (61), and the electric reciprocating rod (61) is arranged at one end away from the carbon dioxide gas storage chamber 51, and the telescopic end of the electric reciprocating rod (61) is fixed with a connecting plate (65), so A slide plate (63) is fixed on the top of the connecting plate (65) away from the electric reciprocating rod (61). There is a shell plate (64), and the end of the shell plate (64) away from the fireproof cross partition (43) is slidably installed with a deflector (62), and the shell plate (64) and the inner wall of the deflector (62) There are springs between them. 4. A storage battery with a fireproof device according to claim 1, characterized in that: the interior of the fireproof cross partition (43) is designed as an empty shell, and the top of the fireproof cross partition (43) is provided with openings on the left and right, The fireproof cross partition (43) is fireproof material. 5. A storage battery with a fireproof device according to claim 1, characterized in that: the multi-layer swing leaf (41) is composed of multi-layer boards and is hollow inside. 6. A storage battery with a fireproof device according to claim 1, characterized in that: the end of the strip plate (47) away from the push plate (48) is located above the rotating rod (45). 7. A storage battery with a fireproof device according to claim 1, characterized in that: a round rod (52) is provided below the end of the knocking plate (46) away from the inner wall of the housing 1, and the knocking plate (46) press down and act on knocking plate (46). 8. A storage battery with a fireproof device according to claim 2, characterized in that: the temperature sensor (44) is connected to the interior of the fireproof cross partition (43) with wires. 9. A storage battery with a fireproof device according to claim 3, characterized in that: the end of the guide plate (62) away from the shell plate (64) is in contact with four sets of batteries (3), and the guide plate (62) is in contact with four sets of batteries (3). The flow plate (62) is composed of multiple U-shaped plates, and the U-shaped plates are insulating materials.

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