Battery monitoring device based on IDC dynamic environment monitoring and monitoring method thereof

Abstract

The invention belongs to the technical field of battery monitoring devices, and discloses a battery monitoring device based on IDC dynamic environment monitoring and a monitoring method thereof.The battery monitoring device comprises a monitoring box, a protective door is hinged to one side of the monitoring box, battery bodies are evenly arranged in the monitoring box, and a fault monitoring structure is installed at the top end of each battery body; a flame-retardant assembly is arranged above each battery body, a heat dissipation fan is arranged on one side of each battery body, each heat dissipation fan is installed in the monitoring box, the state of the battery body is monitored through a fault monitoring structure when the battery body works, and when it is monitored that the temperature of the battery body is too high and has a spontaneous combustion trend, the heat dissipation fan is started to cool the battery body. A double-shaft motor is started to drive a first threaded rod to rotate, the rotation of the first threaded rod drives a baffle to move, an exhaust port is opened, gas in a gas storage bag is exhausted into a monitoring box from the exhaust port, a battery body is cooled, spontaneous combustion of the battery body due to too high temperature is prevented, and the fault processing efficiency and the safety of the device are improved.

Description

Technical Field

[0001] The present invention belongs to the technical field of battery monitoring devices, and specifically relates to a battery monitoring device based on IDC dynamic ring monitoring and a monitoring method thereof. Background Art

[0002] A battery monitoring device is a device used to monitor the battery status and analyze its performance. It evaluates the battery health, predicts the remaining life, and promptly detects potential problems by monitoring key battery parameters (such as voltage, current, temperature, internal resistance, etc.);

[0003] IDC dynamic environment monitoring, that is, the data center power environment monitoring system, is a comprehensive monitoring system that integrates power, environment, safety, fire protection and other monitoring functions. When using IDC dynamic environment monitoring for battery monitoring, real-time monitoring and management of battery packs can be achieved;

[0004] The IDC dynamic environment monitoring system can monitor the operating status of the battery pack 24 hours a day to ensure that the battery pack is in the best working condition. In addition, the system can automatically record and store the operating data of the battery to facilitate subsequent analysis and maintenance. When the battery is abnormal, the system will promptly issue an alarm to notify maintenance personnel to check and handle it, thereby avoiding system downtime or data loss caused by battery failure;

[0005] After searching, such as patent: CN218919012U, a monitoring device for lithium battery installation fault alarm includes a fixing frame and a temperature sensor, the upper end of the fixing frame is connected to a side plate, the top of the fixing frame is connected to an acrylic cover plate, the inside of the fixing frame is embedded and connected to a lithium battery body, one side of the lithium battery body is connected to a fault monitoring structure, the fault monitoring structure includes a thermal conductive fin, one side of the lithium battery body is connected to a thermal conductive fin, the upper end of the fixing frame is connected to a display screen, and the lithium batteries are electrically connected and embedded into the fixing frame in sequence, wherein the fixing frame can increase the protection of the lithium battery, and the heat generated when the lithium battery fails is conducted to the temperature sensor by means of heat conduction. When the temperature is abnormal, an alarm is sounded through an alarm set inside the display screen, wherein the accuracy of temperature energy collection using the thermal conductive fins has been significantly improved;

[0006] At present, the fault monitoring structure of IDC dynamic environment monitoring continuously monitors the operating status of the battery pack and can issue an alarm as soon as a battery failure occurs so that relevant personnel can take quick measures. However, it still takes a certain amount of time and distance for the staff to rush to the fault point after receiving the alarm. During this period, the abnormal state of the battery may persist or even deteriorate further, leading to a series of potential risks and problems. Summary of the invention

[0007] The object of the present invention is to provide a battery monitoring device and a monitoring method based on IDC dynamic ring monitoring to solve the problems raised in the above background technology.

[0008] In order to achieve the above-mentioned object, the present invention provides the following technical solutions: a battery monitoring device based on IDC dynamic environment monitoring, comprising a monitoring box, a protective door is hinged on one side of the monitoring box, battery bodies are evenly arranged inside the monitoring box, a fault monitoring structure is installed on the top of each battery body, a flame retardant component is arranged on the top of each battery body, a cooling fan is arranged on one side of each battery body, and each cooling fan is installed inside the monitoring box;

[0009] Among them, the flame retardant component includes an air storage bag arranged above the battery body, an auxiliary exhaust component is arranged inside the air storage bag, the air storage bag is installed on the top of the monitoring box, the bottom of the air storage bag is fixedly connected to the monitoring box, exhaust ports are evenly opened inside the monitoring box, a baffle is slidably installed inside the exhaust port, the internal thread of the baffle is connected to the first threaded rod, and the outer wall of the first threaded rod is installed with a dual-axis motor.

[0010] As a further technical solution of the present invention, the auxiliary exhaust assembly includes a pressure plate arranged inside the air storage bag, the bottom end of the pressure plate is fixedly connected to a pull rope, the bottom end of the pull rope is installed on the outer wall of the winding roller, the winding roller is rotatably installed inside the monitoring box, a first coil spring is arranged between the winding roller and the monitoring box, and a closing assembly and a pressure relief assembly are arranged inside the monitoring box.

[0011] As a further technical solution of the present invention, the closing component includes a closing plate arranged inside the monitoring box, the closing plate is arranged on one side of the cooling fan, the internal thread of the closing plate is connected with a second threaded rod, the top end of the second threaded rod is fixedly connected with a bevel gear set, and the bevel gear set is installed on the outer wall of the first threaded rod.

[0012] As a further technical solution of the present invention, the pressure relief assembly includes a pressure relief pipe arranged inside the monitoring box, an exhaust chamber is opened inside the pressure relief pipe, a fixing rod is fixedly installed inside the exhaust chamber, a blocking block is slidably installed on the outer wall of the fixing rod, and the blocking block is embedded in one end of the pressure relief pipe.

[0013] As a further technical solution of the present invention, a spring is provided on the outer wall of the fixing rod.

[0014] As a further technical solution of the present invention, a filter is fixedly installed on the top of the pressure relief pipe.

[0015] As a further technical solution of the present invention, one side of the air storage bag is fixedly connected with an air intake pipe, and the air intake pipe is embedded in the interior of the monitoring box.

[0016] As a further technical solution of the present invention, a fixing block is fixedly installed on the inner wall of the intake pipe, the interior of the fixing block is rotatably connected to a control board via a rotating shaft, and a second coil spring is provided on the outer wall of the rotating shaft.

[0017] As a further technical solution of the present invention, a sealing ring is provided at the top of the control panel, and the sealing ring is fixedly mounted on the inner wall of the intake pipe.

[0018] A monitoring method for a battery monitoring device based on IDC dynamic environment monitoring comprises the following steps:

[0019] S1: When the battery body is working, its state is monitored by the fault monitoring structure. When it is detected that the temperature of the battery body is too high and has a tendency to self-ignite, the dual-axis motor is started to drive the first threaded rod to rotate. The rotation of the first threaded rod drives the movement of the baffle to open the exhaust port, so that the gas inside the air storage bag is discharged from the exhaust port into the monitoring box to cool the battery body;

[0020] S2: The rotation of the first threaded rod drives the rotation of the bevel gear set, and the rotation of the bevel gear set drives the rotation of the second threaded rod, and the rotation of the second threaded rod drives the closing plate to move downward to one side of the cooling fan to close the ventilation and cooling duct;

[0021] S3: When the gas pressure in the monitoring box is too high, the gas pressure pushes the block into the pressure relief pipe, causing the block to slide into the exhaust chamber, and the gas is discharged from the pressure relief pipe through the exhaust chamber to the outside of the device;

[0022] S4: When the gas in the air bag is discharged, as the gas decreases, the elastic action of the first coil spring drives the winding roller to reel in the pull rope, so that the pull rope pulls the pressure plate downward in the air bag, squeezing the gas in the air bag downward to prevent the battery body from self-igniting due to excessive temperature.

[0023] The beneficial effects of the present invention are as follows:

[0024] 1. The present invention provides a flame retardant component, and the state of the battery body is monitored by a fault monitoring structure when the battery body is working. When it is detected that the temperature of the battery body is too high and has a tendency to self-ignite, the dual-axis motor is started to drive the first threaded rod to rotate. The rotation of the first threaded rod drives the movement of the baffle to open the exhaust port, so that the gas inside the air storage bag is discharged from the exhaust port to the monitoring box, the battery body is cooled down, the battery body is prevented from self-igniting due to excessive temperature, and the efficiency and safety of fault handling are improved.

[0025] 2. The present invention arranges a sealing component. When the air storage bag is exhausted and flame-retardant, the rotation of the first threaded rod drives the rotation of the bevel gear set. The rotation of the bevel gear set drives the rotation of the second threaded rod. The rotation of the second threaded rod drives the sealing plate to move downward to one side of the cooling fan to close the ventilation and heat dissipation duct, thereby preventing the flame-retardant gas from being discharged from the ventilation and heat dissipation duct when the air storage bag is exhausted and flame-retardant, thereby affecting the flame-retardant effect.

[0026] 3. The present invention provides a pressure relief component. When the gas pressure in the monitoring box is too high, the gas pressure pushes the block into the inside of the pressure relief pipe, causing the block to slide into the exhaust chamber. The gas is discharged from the pressure relief pipe through the exhaust chamber to the outside of the device, thereby preventing the risk of explosion caused by the increase of gas pressure in the monitoring box and improving the safety of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0028] Figure 2 It is a schematic cross-sectional view of the overall structure of the present invention;

[0029] Figure 3 It is a schematic diagram of the structural cross section of the monitoring box of the present invention;

[0030] Figure 4 For the present invention Figure 3 A schematic diagram of the structure enlargement in the middle;

[0031] Figure 5 For the present invention Figure 3 A magnified schematic diagram of the structure at B in the middle;

[0032] Figure 6 It is a schematic cross-sectional view of the structure of the air storage bag of the present invention;

[0033] Figure 7 This is a schematic diagram of the structure of the closed plate of the present invention;

[0034] Figure 8 It is a structural schematic diagram of the control panel of the present invention.

[0035] In the figure: 1. monitoring box; 2. protective door; 3. battery body; 4. fault monitoring structure; 5. cooling fan; 6. air storage bag; 7. exhaust port; 8. baffle; 9. first threaded rod; 10. dual-axis motor; 11. pressure plate; 12. pull rope; 13. winding roller; 14. first coil spring; 15. intake pipe; 16. bevel gear set; 17. second threaded rod; 18. closing plate; 19. pressure relief pipe; 20. blocking block; 21. exhaust chamber; 22. fixing rod; 23. spring; 24. filter; 25. sealing ring; 26. control board; 27. fixing block; 28. rotating shaft; 29. ​​second coil spring. DETAILED DESCRIPTION

[0036] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0037] like Figures 1 to 8 As shown, in an embodiment of the present invention, a battery monitoring device based on IDC dynamic environment monitoring includes a monitoring box 1, a protective door 2 is hinged on one side of the monitoring box 1, battery bodies 3 are evenly arranged inside the monitoring box 1, a fault monitoring structure 4 is installed on the top of each battery body 3, a flame retardant component is arranged above each battery body 3, a cooling fan 5 is arranged on one side of each battery body 3, and each cooling fan 5 is installed inside the monitoring box 1;

[0038] Among them, the flame retardant component includes an air storage bag 6 arranged above the battery body 3, an auxiliary exhaust component is arranged inside the air storage bag 6, the air storage bag 6 is installed on the top of the monitoring box 1, the bottom of the air storage bag 6 is fixedly connected to the monitoring box 1, and exhaust ports 7 are evenly opened inside the monitoring box 1. A baffle 8 is slidably installed inside the exhaust port 7, and the internal thread of the baffle 8 is connected to the first threaded rod 9, and the outer wall of the first threaded rod 9 is installed with a dual-axis motor 10.

[0039] The air bag 6 stores carbon dioxide inside, which can be used to extinguish fires caused by electronic equipment, will not corrode the equipment and has a good fire extinguishing effect;

[0040] By setting the flame retardant component, the state of the battery body 3 is monitored by the fault monitoring structure 4 when the battery body 3 is working. When it is detected that the temperature of the battery body 3 is too high and has a tendency to self-ignite, the dual-axis motor 10 is started to drive the first threaded rod 9 to rotate. The rotation of the first threaded rod 9 drives the movement of the baffle 8 to open the exhaust port 7, so that the gas inside the air storage bag 6 is discharged from the exhaust port 7 to the monitoring box 1, and the battery body 3 is cooled to prevent the battery body 3 from self-igniting due to excessive temperature, thereby improving the efficiency and safety of fault handling;

[0041] A plurality of partitions are arranged in the monitoring box 1, and each battery body 3 is placed between two partitions. Each battery body 3 is stored independently through the partitions. When the temperature of one battery body 3 is too high, the influence on other battery bodies 3 is reduced as much as possible.

[0042] Existing: CN218919012U discloses a monitoring device for lithium battery installation fault alarm. This patent discloses the battery body 3 and the fault monitoring structure 4 proposed in this application document. This technical means will not be described in detail here;

[0043] like Figure 2 and Figure 6 As shown, the auxiliary exhaust assembly includes a pressure plate 11 arranged inside the air storage bag 6, and a pull rope 12 is fixedly connected to the bottom end of the pressure plate 11, and the bottom end of the pull rope 12 is installed on the outer wall of the winding roller 13, and the winding roller 13 is rotatably installed inside the monitoring box 1, and a first coil spring 14 is arranged between the winding roller 13 and the monitoring box 1, and a closing assembly and a pressure relief assembly are arranged inside the monitoring box 1.

[0044] Through the setting of the auxiliary exhaust component, when the gas in the air bag 6 is discharged, as the gas decreases, the elastic action of the first coil spring 14 drives the winding roller 13 to wind up the pull rope 12, so that the pull rope 12 pulls the pressure plate 11 to move downward in the air bag 6, squeezing the gas in the air bag 6 downward to discharge it, so that the gas in the air bag 6 is discharged quickly and as much as possible, thereby improving the flame retardant effect.

[0045] like Figure 2 and Figure 7 As shown, the closing assembly includes a closing plate 18 arranged inside the monitoring box 1, the closing plate 18 is arranged on one side of the cooling fan 5, the internal thread of the closing plate 18 is connected with a second threaded rod 17, the top end of the second threaded rod 17 is fixedly connected with a bevel gear set 16, and the bevel gear set 16 is installed on the outer wall of the first threaded rod 9.

[0046] The inner wall diameter of the exhaust chamber 21 is larger than the inner wall diameter of the block 20;

[0047] Through the setting of the closing component, when the air storage bag 6 is exhausted and flame retardant, the rotation of the first threaded rod 9 drives the rotation of the bevel gear set 16, and the rotation of the bevel gear set 16 drives the rotation of the second threaded rod 17. The rotation of the second threaded rod 17 drives the closing plate 18 to move downward to one side of the cooling fan 5, and the ventilation and heat dissipation duct is closed to prevent the flame-retardant gas from being discharged from the ventilation and heat dissipation duct when the air storage bag 6 is exhausted and flame retardant, thereby affecting the flame retardant effect.

[0048] like Figure 3 and Figure 5 As shown, the pressure relief assembly includes a pressure relief pipe 19 arranged inside the monitoring box 1, an exhaust chamber 21 is opened inside the pressure relief pipe 19, a fixing rod 22 is fixedly installed inside the exhaust chamber 21, a blocking block 20 is slidably installed on the outer wall of the fixing rod 22, and the blocking block 20 is embedded in one end of the pressure relief pipe 19.

[0049] Through the setting of the pressure relief component, when the gas pressure in the monitoring box 1 is too high, the gas pressure pushes the block 20 into the inside of the pressure relief pipe 19, causing the block 20 to slide into the exhaust chamber 21, and the gas is discharged from the pressure relief pipe 19 to the outside of the device through the exhaust chamber 21, thereby preventing the risk of explosion caused by the increase of gas pressure in the monitoring box 1 and improving the safety of the device.

[0050] like Figure 5As shown, a spring 23 is provided on the outer wall of the fixing rod 22 .

[0051] When the blocking block 20 moves to release pressure, the spring 23 is deformed by force to store elastic potential energy. When the gas in the monitoring box 1 is depressurized, the elastic potential energy is released by the spring 23 to move the blocking block 20 to reset.

[0052] like Figures 1 to 4 As shown, a filter screen 24 is fixedly installed on the top of the pressure relief pipe 19.

[0053] The filter screen 24 prevents external impurities from entering the pressure relief pipe 19 .

[0054] like Figures 1 to 3 As shown, one side of the air storage bag 6 is fixedly connected with an air intake pipe 15 , and the air intake pipe 15 is embedded in the interior of the monitoring box 1 .

[0055] An external inflation device can be connected through the air inlet pipe 15 to inflate the air storage bag 6, so that the device can be reused;

[0056] One end of the air intake pipe 15 is embedded in the air storage bag 6 and is located below the pressure plate 11. When the pressure plate 11 slides to the top of the air intake pipe 15, the pressure plate 11 can no longer move downward, leaving space for the air intake pipe 15 for subsequent inflation.

[0057] like Figure 4 and Figure 8 As shown, a fixing block 27 is fixedly mounted on the inner wall of the air intake pipe 15 , and the interior of the fixing block 27 is rotatably connected to a control board 26 via a rotating shaft 28 , and a second coil spring 29 is disposed on the outer wall of the rotating shaft 28 .

[0058] The air inlet pipe 15 is closed by the control panel 26 to prevent the gas in the air storage bag 6 from being discharged therefrom;

[0059] During inflation, the external inflation pipe is embedded in the interior of the intake pipe 15, pressing the control plate 26 downward to make it rotate. The rotation of the control plate 26 drives the rotation of the rotating shaft 28. When the rotating shaft 28 rotates, the second coil spring 29 deforms to store elastic potential energy. When inflation is completed, the elastic potential energy is released by the second coil spring 29 to cause the control plate 26 to reverse and reset, thereby blocking the air inlet of the intake pipe 15.

[0060] like Figures 1 to 8 As shown, a sealing ring 25 is provided at the top of the control plate 26 , and the sealing ring 25 is fixedly mounted on the inner wall of the intake pipe 15 .

[0061] The gap between the control panel 26 and the air inlet pipe 15 is sealed to improve the sealing effect and prevent gas leakage in the air storage bag 6, so as to ensure the stability and reliability of the device operation.

[0062] A monitoring method for a battery monitoring device based on IDC dynamic environment monitoring comprises the following steps:

[0063] S1: When the battery body 3 is working, its state is monitored by the fault monitoring structure 4. When it is detected that the temperature of the battery body 3 is too high and has a tendency to self-ignite, the dual-axis motor 10 is started to drive the first threaded rod 9 to rotate. The rotation of the first threaded rod 9 drives the movement of the baffle 8 to open the exhaust port 7, so that the gas inside the air storage bag 6 is discharged from the exhaust port 7 into the monitoring box 1, and the battery body 3 is cooled down;

[0064] S2: The rotation of the first threaded rod 9 drives the rotation of the bevel gear set 16, and the rotation of the bevel gear set 16 drives the rotation of the second threaded rod 17, and the rotation of the second threaded rod 17 drives the closing plate 18 to move downward to one side of the cooling fan 5, closing the ventilation and cooling duct;

[0065] S3: When the gas pressure in the monitoring box 1 is too high, the gas pressure pushes the block 20 into the pressure relief pipe 19, causing the block 20 to slide into the exhaust chamber 21, and the gas is discharged from the pressure relief pipe 19 to the outside of the device through the exhaust chamber 21;

[0066] S4: When the gas in the air bag 6 is discharged, as the gas decreases, the first coil spring 14 drives the winding roller 13 to reel in the pull rope 12 under the elastic action, so that the pull rope 12 pulls the pressure plate 11 to move downward in the air bag 6, squeezing the gas in the air bag 6 to be discharged downward, thereby preventing the battery body 3 from self-igniting due to excessive temperature.

[0067] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A battery monitoring device based on IDC dynamic environment monitoring, comprising a monitoring box (1), characterized in that: A protective door (2) is hingedly connected to one side of the monitoring box (1), battery bodies (3) are evenly arranged inside the monitoring box (1), a fault monitoring structure (4) is installed on the top of each battery body (3), a flame retardant component is installed above each battery body (3), a cooling fan (5) is installed on one side of each battery body (3), and each cooling fan (5) is installed inside the monitoring box (1); The flame retardant component comprises an air storage bag (6) arranged above the battery body (3), an auxiliary exhaust component is arranged inside the air storage bag (6), the air storage bag (6) is installed on the top of the monitoring box (1), the bottom of the air storage bag (6) is fixedly connected to the monitoring box (1), exhaust ports (7) are evenly opened inside the monitoring box (1), a baffle (8) is slidably installed inside the exhaust port (7), the internal thread of the baffle (8) is connected to a first threaded rod (9), and the outer wall of the first threaded rod (9) is installed with a dual-axis motor (10).

2. According to claim 1, a battery monitoring device based on IDC dynamic environment monitoring is characterized in that: The auxiliary exhaust component includes a pressure plate (11) arranged inside the air storage bag (6), the bottom end of the pressure plate (11) is fixedly connected to a pull rope (12), the bottom end of the pull rope (12) is installed on the outer wall of a winding roller (13), the winding roller (13) is rotatably installed inside the monitoring box (1), a first coil spring (14) is arranged between the winding roller (13) and the monitoring box (1), and a sealing component and a pressure relief component are arranged inside the monitoring box (1).

3. According to claim 2, a battery monitoring device based on IDC dynamic environment monitoring is characterized in that: The sealing component comprises a sealing plate (18) arranged inside the monitoring box (1), wherein the sealing plate (18) is arranged on one side of the heat dissipation fan (5), wherein the inner thread of the sealing plate (18) is connected to a second threaded rod (17), wherein the top end of the second threaded rod (17) is fixedly connected to a bevel gear set (16), and the bevel gear set (16) is mounted on the outer wall of the first threaded rod (9).

4. According to claim 2, a battery monitoring device based on IDC dynamic environment monitoring is characterized in that: The pressure relief assembly comprises a pressure relief pipe (19) arranged inside the monitoring box (1), an exhaust chamber (21) is provided inside the pressure relief pipe (19), a fixing rod (22) is fixedly installed inside the exhaust chamber (21), a blocking block (20) is slidably installed on the outer wall of the fixing rod (22), and the blocking block (20) is embedded in one end of the pressure relief pipe (19).

5. A battery monitoring device based on IDC dynamic environment monitoring according to claim 4, characterized in that: The outer wall of the fixing rod (22) is provided with a spring (23).

6. A battery monitoring device based on IDC dynamic environment monitoring according to claim 4, characterized in that: A filter screen (24) is fixedly mounted on the top end of the pressure relief pipe (19).

7. The battery monitoring device based on IDC dynamic environment monitoring according to claim 1 is characterized in that: An air intake pipe (15) is fixedly connected to one side of the air storage bag (6), and the air intake pipe (15) is embedded in the interior of the monitoring box (1).

8. The battery monitoring device based on IDC dynamic environment monitoring according to claim 7 is characterized in that: A fixing block (27) is fixedly mounted on the inner wall of the air intake pipe (15), the interior of the fixing block (27) is rotatably connected to a control plate (26) via a rotating shaft (28), and a second coil spring (29) is disposed on the outer wall of the rotating shaft (28).

9. A battery monitoring device based on IDC dynamic environment monitoring according to claim 8, characterized in that: A sealing ring (25) is provided at the top end of the control plate (26), and the sealing ring (25) is fixedly mounted on the inner wall of the air intake pipe (15).

10. A monitoring method for a battery monitoring device based on IDC dynamic environment monitoring, the method being applicable to a battery monitoring device based on IDC dynamic environment monitoring as described in claims 1-9, characterized in that: The following steps are involved: S1: When the battery body (3) is working, its state is monitored by the fault monitoring structure (4). When it is detected that the temperature of the battery body (3) is too high and has a tendency to self-ignite, the dual-axis motor (10) is started to drive the first threaded rod (9) to rotate. The rotation of the first threaded rod (9) drives the baffle (8) to move, and the exhaust port (7) is opened, so that the gas inside the air storage bag (6) is discharged from the exhaust port (7) into the monitoring box (1), thereby cooling the battery body (3); S2: The rotation of the first threaded rod (9) drives the rotation of the bevel gear set (16), the rotation of the bevel gear set (16) drives the rotation of the second threaded rod (17), and the rotation of the second threaded rod (17) drives the closing plate (18) to move downward to one side of the cooling fan (5), thereby closing the ventilation and cooling duct; S3: When the gas pressure in the monitoring box (1) is too high, the gas pressure pushes the block (20) into the pressure relief pipe (19), causing the block (20) to slide into the exhaust chamber (21), and the gas is discharged from the pressure relief pipe (19) to the outside of the device through the exhaust chamber (21); S4: When the gas in the air storage bag (6) is discharged, as the gas decreases, the elastic action of the first coil spring (14) drives the winding roller (13) to reel in the pull rope (12), so that the pull rope (12) pulls the pressure plate (11) to move downward in the air storage bag (6), squeezing the gas in the air storage bag (6) to be discharged downward, thereby preventing the battery body (3) from self-igniting due to excessive temperature.

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