Energy storage cabinet with fire protection system

Abstract

The utility model belongs to the technical field of energy storage cabinets, and discloses an energy storage cabinet with a fire protection system, which comprises an energy storage cabinet body, a cavity is arranged inside the top end of the energy storage cabinet body, and a mounting rod is fixedly mounted at the bottom of the inner surface of the energy storage cabinet body. By arranging the explosion-proof heat insulation plate, the rotating rod, the round rod and the moving block, when the gas sensor and the temperature sensor detect that the battery pack is abnormal, the controller can control the motors on the two sides of the corresponding battery pack to start, so that the threaded rod drives the moving block to move forwards, and the moving block drives the moving plate and the round rod to move; when the battery pack is abnormal, the round rod extrudes and pushes the inner surface of the rotating rod, so that the rotating rod rotates by 90 degrees, the anti-explosion heat insulation plates can be driven by the round shaft to rotate by 90 degrees, all the anti-explosion heat insulation plates are matched with one another to isolate the abnormal battery pack, and the situation that other normal battery packs are affected when the battery pack is subjected to thermal runaway and combustion is avoided.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of energy storage cabinet, specifically an energy storage cabinet with a fire protection system. BACKGROUND

[0002] An energy storage cabinet is a system for storing and releasing electrical energy when needed, widely used in power peak shaving, renewable energy consumption, standby power supply and other fields. It converts electrical energy into other forms of energy (such as chemical energy, mechanical energy or thermal energy) for storage.

[0003] Common energy storage technologies include lithium batteries, lead-acid batteries, flow batteries, supercapacitors, flywheel energy storage and compressed air energy storage. Lithium batteries have gradually become the mainstream product for energy storage due to their high energy, long service life, high rated voltage, high power bearing capacity and low self-discharge rate. Since the energy storage cabinet usually has multiple battery packs inside, when one of them experiences thermal runaway and burns, it will affect the remaining normal battery packs, causing the entire energy storage cabinet to malfunction. Although the existing energy storage cabinet has a certain fire protection system, it can handle the thermal runaway and burning of the battery through fire extinguishing agents, smoke exhaust equipment and ventilation equipment. However, it cannot isolate abnormal battery packs when they occur, which affects the normal battery packs. Therefore, improvements are needed. SUMMARY

[0004] The utility model aims at the above problem, and provides an energy storage cabinet with a fire protection system, which has the advantage of isolating abnormal battery packs.

[0005] To achieve the above object, the utility model provides the following technical scheme: A kind of energy storage cabinet with fire protection system, the inside of the top of the energy storage cabinet body is provided with cavity, the bottom of the inner surface of the energy storage cabinet body is fixedly installed with mounting rod, the inside of the mounting rod is movably sleeved with round shaft, the top of the round shaft extends to the inside of cavity and is movably sleeved with the inner wall of energy storage cabinet body, the outer surface of the round shaft is fixedly sleeved with explosion-proof heat insulation plate, the top of the outer surface of the round shaft is fixedly sleeved with rotating rod located in the inside of cavity, the inside of the cavity is fixedly installed with fixed plate, the inside of the fixed plate is provided with vertical groove, the right side of the fixed plate is movably connected with moving plate, the bottom of the moving plate is movably connected with the inner surface of cavity, the top of the left side of the moving plate is fixedly connected with round bar, the bottom end of the round bar extends to the inside of rotating rod and is movably connected with the inner surface of vertical groove and rotating rod respectively, the right side of the moving plate is movably connected with fixed block, the bottom of the fixed block is fixedly connected with the inner surface of cavity, the rear side of the fixed block is fixedly installed with motor, the other end of motor output shaft is fixedly connected with threaded rod, the outer surface of the threaded rod is movably sleeved with the inner surface of fixed block, the outer surface of the threaded rod is threadedly sleeved with moving block, the left end of the moving block is fixedly connected with the right side of moving plate.

[0006] As the utility model is preferred, the top of the inner surface of the energy storage cabinet body is fixedly installed with gas sensor, the top, bottom and rear side of the inner surface of the energy storage cabinet body are all fixedly installed with temperature sensor.

[0007] As the utility model is preferred, the right side of the bottom of the inner surface of the cavity is fixedly installed with single-chip microcomputer, the right side of the bottom of the inner surface of the cavity is fixedly installed with controller.

[0008] As the utility model is preferred, the inside of the top of the back of the energy storage cabinet body is fixedly installed with smoke exhaust equipment body, the inside of the bottom of the back of the energy storage cabinet body is fixedly installed with ventilation equipment body.

[0009] As the utility model is preferred, the left side of the back of the energy storage cabinet body is fixedly installed with storage box, the bottom of the right side of the storage box is fixedly installed with electric pump, the left side of the electric pump is fixedly connected with fixed pipe, the left end of the fixed pipe extends to the inside of storage box.

[0010] As the utility model is preferred, the top of the electric pump is fixedly connected with conveying pipe, the outer surface of the conveying pipe is fixedly connected with electromagnetic valve.

[0011] As the utility model is preferred, the front end of the electromagnetic valve is fixedly connected with connecting pipe, the other end of the connecting pipe extends to the inside of energy storage cabinet body and is fixedly connected with the inner wall of energy storage cabinet body, the bottom of the connecting pipe is fixedly connected with spray head.

[0012] Compared with the prior art, the utility model has the advantages that:

[0013] The utility model discloses a movable plate, a fixed plate, a movable block, a rotating rod, a circular rod and a heat insulation plate are arranged, when the gas sensor and the temperature sensor detect that the battery pack is abnormal, the controller will control the motor on the both sides of the corresponding battery pack to start, makes the threaded rod drive the movable block and moves forward, thereby making the movable block drive the movable plate and the circular rod and moves, the circular rod will extrude the inner surface of the rotating rod, makes the rotating rod rotate ninety degrees, thereby can drive the heat insulation plate to rotate ninety degrees through the circular shaft, makes each heat insulation plate mutually supports and isolates the abnormal battery pack, avoids the influence to the normal battery pack when the battery pack appears thermal runaway and burns. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is the structure schematic diagram of the utility model structure schematic diagram;

[0015] Figure 2 It is the structure schematic diagram of the utility model movable plate;

[0016] Figure 3 It is the structure schematic diagram of the utility model fixed plate;

[0017] Figure 4 It is the structure schematic diagram of the utility model energy storage cabinet body;

[0018] Figure 5 It is the structure schematic diagram of the utility model heat insulation plate;

[0019] Figure 6 It is the structure schematic diagram of the utility model heat insulation plate;

[0020] Figure 7 It is the structure schematic diagram of the utility model movable plate;

[0021] Figure 8 It is the structure schematic diagram of the utility model fixed plate;

[0022] Figure 9 It is the structure schematic diagram of the utility model energy storage cabinet body;

[0023] Figure 10 It is the structure schematic diagram of the utility model electric pump;

[0024] In the figure: 1, energy storage cabinet body; 2, cavity; 3, mounting rod; 4, round shaft; 5, explosion-proof heat insulation plate; 6, rotating rod; 7, fixed plate; 8, vertical slot; 9, moving plate; 10, round rod; 11, fixed block; 12, motor; 13, threaded rod; 14, moving block; 15, gas sensor; 16, temperature sensor; 17, single-chip microcomputer; 18, controller; 19, smoke exhaust equipment body; 20, air exchange equipment body; 21, storage box; 22, electric pump; 23, fixed pipe; 24, conveying pipe; 25, electromagnetic valve; 26, connecting pipe; 27, spray head. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0026] As Figures 1 to 10The utility model provides a kind of energy storage cabinet with fire protection system, including energy storage cabinet body 1, the inside of the top of energy storage cabinet body 1 is provided with cavity 2, the bottom of the inner surface of energy storage cabinet body 1 is fixedly installed with mounting rod 3, the inside of mounting rod 3 is movably sleeved with round shaft 4, the top of round shaft 4 extends to the inside of cavity 2 and with the inner wall of energy storage cabinet body 1 movably sleeved, the outer surface of round shaft 4 is fixedly sleeved with explosion-proof heat insulation plate 5, the top of the outer surface of round shaft 4 is fixedly sleeved with rotating rod 6 located in the inside of cavity 2, the inside of cavity 2 is fixedly installed with fixed plate 7, the inside of fixed plate 7 is provided with vertical groove 8, the right side of fixed plate 7 is movably connected with moving plate 9, the bottom of moving plate 9 is movably connected with the inner surface of cavity 2, the top of the left side of moving plate 9 is fixedly connected with round bar 10, the bottom of round bar 10 extends to the inside of rotating rod 6 and is movably connected with the inner surface of vertical groove 8 and rotating rod 6 respectively, the right side of moving plate 9 is movably connected with fixed block 11, the bottom of fixed block 11 is fixedly connected with the inner surface of cavity 2, the rear side of fixed block 11 is fixedly installed with motor 12, the other end of motor 12 output shaft is fixedly connected with threaded rod 13, the outer surface of threaded rod 13 is movably sleeved with the inner surface of fixed block 11, the outer surface of threaded rod 13 is threadedly sleeved with moving block 14, the left end of moving block 14 is fixedly connected with the right side of moving plate 9;When battery temperature rises, motor 12 will start, so that threaded rod 13 rotates, thereby driving moving block 14 to move forward, so that moving block 14 can drive moving plate 9 and round bar 10 to move forward, round bar 10 will move forward along the inner surface of vertical groove 8, thereby extruding and pushing rotating rod 6 to rotate, when round bar 10 moves to the most front side in the inside of vertical groove 8, it will drive rotating rod 6 to rotate by ninety degrees, so that round shaft 4 drives explosion-proof heat insulation plate 5 to rotate by ninety degrees, so that explosion-proof heat insulation plate 5 can form a partition, and the battery pack of thermal runaway and normal battery pack are isolated.

[0027] Wherein, the top of the inner surface of energy storage cabinet body 1 is fixedly installed with gas sensor 15, the top, bottom and rear side of the inner surface of energy storage cabinet body 1 are fixedly installed with temperature sensor 16;By setting gas sensor 15, gas sensor 15 can detect the gas generated inside the battery, due to the design of temperature sensor 16, temperature sensor 16 can detect temperature, thereby monitoring the running state of battery.

[0028] Wherein, the right side of the bottom of the inner surface of cavity 2 is fixedly installed with single-chip microcomputer 17, the right side of the bottom of the inner surface of cavity 2 is fixedly installed with controller 18;Single-chip microcomputer 17 will process signal after receiving signal, and send to controller 18, so that controller 18 can control the start and close of motor 12.

[0029] The inside of the top end of the back of the energy storage cabinet body 1 is fixedly provided with a smoke exhaust device body 19, and the inside of the bottom end of the back of the energy storage cabinet body 1 is fixedly provided with a ventilation device body 20; the smoke exhaust device body 19 is arranged to exhaust the gas generated by the battery to the outside, and the ventilation device body 20 is arranged to ventilate the gas in the energy storage cabinet body 1, so that the air outside can enter the inside of the energy storage cabinet body 1.

[0030] The left side of the back of the energy storage cabinet body 1 is fixedly provided with a storage box 21, the bottom of the right side of the storage box 21 is fixedly provided with an electric pump 22, the left side of the electric pump 22 is fixedly connected with a fixed pipe 23, and the left end of the fixed pipe 23 extends into the inside of the storage box 21; the storage box 21 is arranged to store the fire extinguishing agent, and when the electric pump 22 is started, the fixed pipe 23 can suck the fire extinguishing agent in the inside of the storage box 21.

[0031] The top of the electric pump 22 is fixedly connected with a conveying pipe 24, and the outer surface of the conveying pipe 24 is fixedly connected with an electromagnetic valve 25; the electromagnetic valve 25 is arranged to control the opening and closing of the three electromagnetic valves 25, so that the fire extinguishing agent can be sprayed in a targeted manner, thereby avoiding damaging the normally operating battery.

[0032] The front end of the electromagnetic valve 25 is fixedly connected with a connecting pipe 26, the other end of the connecting pipe 26 extends into the inside of the energy storage cabinet body 1 and is fixedly connected with the inner wall of the energy storage cabinet body 1, and the bottom of the connecting pipe 26 is fixedly connected with a spray head 27; when the fire extinguishing agent enters the inside of the connecting pipe 26 through the electromagnetic valve 25, the fire extinguishing agent can be sprayed out through the spray head 27, thereby extinguishing the burning battery.

[0033] The working principle and use process of the utility model are as follows:

[0034] When the battery pack abnormally causes temperature rise, the temperature sensor 16 will detect the abnormality of the battery temperature at this time, so as to emit a signal to the single-chip microcomputer 17, so that the single-chip microcomputer 17 processes the signal and then emits it to the controller 18, so that the controller 18 controls the motor 12 on both sides of the abnormal battery pack to start, and after the motor 12 starts, the threaded rod 13 will drive the moving block 14 to move forward, so that the moving block 14 drives the moving plate 9 and the circular rod 10 to move forward, the circular rod 10 will move forward along the inner surface of the vertical groove 8 and extrude the inner surface of the rotating rod 6, thereby driving the rotating rod 6 to rotate, when the circular rod 10 moves to the front side in the inside of the vertical groove 8, the rotating rod 6 will be rotated by ninety degrees, so that the rotating rod 6 drives the circular shaft 4 and the explosion-proof heat insulation plate 5 to rotate by ninety degrees, so that the explosion-proof heat insulation plates 5 cooperate with each other to isolate the abnormal battery.

[0035] When the battery pack temperature continues to rise to cause thermal runaway to produce a large amount of gas, at this time the gas sensor 15 will detect the gas and emit a signal to the single-chip microcomputer 17, so that the single-chip microcomputer 17 processes the signal and then transmits to the controller 18, so that the controller 18 controls all the smoke exhaust equipment body 19 and the ventilation equipment body 20 to start, so that the smoke exhaust equipment body 19 can discharge the gas generated by the battery to the outside, and the ventilation equipment body 20 can make the air outside enter the inside of the energy storage cabinet body 1.

[0036] When the battery pack explodes, at this time the temperature sensor 16 will detect that the temperature reaches the value of battery combustion, thereby emitting a signal to the single-chip microcomputer 17, so that the controller 18 controls the smoke exhaust equipment body 19 and the ventilation equipment body 20 corresponding to the battery pack position to be closed, and controls the electric pump 22 and the electromagnetic valve 25 corresponding to the battery pack position to be opened, so that the fixed pipe 23 can suck the fire extinguishing agent inside the storage tank 21, then through the conveying pipe 24 and the electromagnetic valve 25 to the inside of the connecting pipe 26, and then sprayed out through the spray head 27, thereby extinguishing the burning battery pack.

[0037] It should be noted that the relational terms herein such as first and second and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any such actual relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0038] Although the embodiments of the present application have been shown and described, it should be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made thereto without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. An energy storage cabinet with a fire protection system, comprising an energy storage cabinet body (1), characterized in that: The energy storage cabinet body (1) has a cavity (2) inside its top end. An installation rod (3) is fixedly installed on the bottom of the inner surface of the energy storage cabinet body (1). A round shaft (4) is movably sleeved inside the installation rod (3). The top end of the round shaft (4) extends into the cavity (2) and is movably sleeved with the inner wall of the energy storage cabinet body (1). An explosion-proof heat insulation plate (5) is fixedly sleeved on the outer surface of the round shaft (4). A rotating rod (6) located inside the cavity (2) is fixedly sleeved on the top of the outer surface of the round shaft (4). A fixing plate (7) is fixedly installed inside the cavity (2). A vertical groove (8) is opened inside the fixing plate (7). A movable plate (9) is movably connected to the right side of the fixing plate (7). The bottom of the movable plate (9) is movably connected with the inner surface of the cavity (2). The top left side of the movable plate (9) is fixedly connected to a round rod (10), the bottom end of which extends into the interior of the rotating rod (6) and is movably connected to the vertical groove (8) and the inner surface of the rotating rod (6) respectively. The right side of the movable plate (9) is movably connected to a fixed block (11), the bottom of which is fixedly connected to the inner surface of the cavity (2). A motor (12) is fixedly installed on the rear side of the fixed block (11), and the other end of the output shaft of the motor (12) is fixedly connected to a threaded rod (13). The outer surface of the threaded rod (13) is movably sleeved with the inner surface of the fixed block (11). A movable block (14) is threadedly sleeved on the outer surface of the threaded rod (13), and the left end of the movable block (14) is fixedly connected to the right side of the movable plate (9).

2. The energy storage cabinet with a fire protection system according to claim 1, characterized in that: A gas sensor (15) is fixedly installed on the top of the inner surface of the energy storage cabinet body (1), and a temperature sensor (16) is fixedly installed on the top, bottom and rear side of the inner surface of the energy storage cabinet body (1).

3. The energy storage cabinet with a fire protection system according to claim 1, characterized in that: A microcontroller (17) is fixedly installed on the right side of the bottom of the inner surface of the cavity (2), and a controller (18) is fixedly installed on the right side of the bottom of the inner surface of the cavity (2).

4. The energy storage cabinet with a fire protection system according to claim 1, characterized in that: The exhaust device body (19) is fixedly installed inside the top rear side of the energy storage cabinet body (1), and the ventilation device body (20) is fixedly installed inside the bottom rear side of the energy storage cabinet body (1).

5. An energy storage cabinet with a fire protection system according to claim 1, characterized in that: A storage box (21) is fixedly installed on the left side of the back of the energy storage cabinet body (1). An electric pump (22) is fixedly installed on the bottom right side of the storage box (21). A fixed pipe (23) is fixedly connected to the left side of the electric pump (22). The left end of the fixed pipe (23) extends into the interior of the storage box (21).

6. An energy storage cabinet with a fire protection system according to claim 5, characterized in that: The top of the electric pump (22) is fixedly connected to a delivery pipe (24), and a solenoid valve (25) is fixedly connected to the outer surface of the delivery pipe (24).

7. An energy storage cabinet with a fire protection system according to claim 6, characterized in that: The front end of the solenoid valve (25) is fixedly connected to a connecting pipe (26), the other end of the connecting pipe (26) extends into the interior of the energy storage cabinet body (1) and is fixedly connected to the inner wall of the energy storage cabinet body (1), and a nozzle (27) is fixedly connected to the bottom of the connecting pipe (26).

Images