Self-rescue device for thermal runaway of new energy automobile

By introducing temperature detectors, motor-driven rack and pinion assemblies, and fire extinguishing agent systems into new energy vehicles, the problems of timely detachment and fire extinguishing during battery pack thermal runaway have been solved, improving the safety and response efficiency of new energy vehicles.

CN121819218AInactive Publication Date: 2026-04-10DONGHAI COUNTY SHANGHONG ENGINEERING MACHINERY CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2026-02-03
Publication Date
2026-04-10
Estimated Expiration
Not applicable · inactive patent

AI Technical Summary

Technical Problem

Existing thermal runaway self-rescue devices for new energy vehicles cannot detect the status of the battery pack in a timely manner, making it inconvenient to detach the battery pack and extinguish the fire, which can easily lead to fire or explosion.

Method used

A self-rescue device comprising a temperature detector, a motor, a gear and rack assembly, and a fire extinguishing agent system was designed. The temperature detector monitors the battery temperature, the motor drives the gear and rack assembly to push out the battery pack, and the fire extinguishing agent is sprayed by a delivery pump to extinguish the fire. A protective plate protects the nozzle from damage.

Benefits of technology

It enables timely detachment of the battery pack and automatic fire suppression, improving response efficiency and safety, and preventing fires or explosions caused by thermal runaway of the battery pack.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN121819218A_ABST
    Figure CN121819218A_ABST
Patent Text Reader

Abstract

The invention discloses a new energy automobile thermal runaway self-rescue device, and belongs to the technical field of new energy automobiles, the new energy automobile thermal runaway self-rescue device comprises a shell and a rotating assembly mounted on the shell, a pushing assembly is mounted on the rotating assembly, a limiting assembly is mounted on the pushing assembly, a temperature detector is mounted on the shell, and a protective shell is mounted on the shell; a fire extinguishing agent storage box is installed on the protective shell, a plurality of spray heads are installed on the fire extinguishing agent storage box, a protective plate is rotatably installed on the protective shell, and a fire extinguishing agent box is installed on the shell. By arranging the temperature detector, the temperature of the battery pack in the shell can be monitored, when the temperature in the shell is too high, the motor can be started in time, the motor can drive the first gear to rotate after being started, the first gear drives the first rack to move when rotating, and the first rack drives the push frame to move when moving; when the push frame moves, the connecting frame is driven to move, so that the battery pack in the shell is pushed out, and the battery pack can be automatically discharged when thermal runaway.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The application relates to a thermal runaway self-rescue device, in particular to a new energy vehicle thermal runaway self-rescue device, and belongs to the technical field of new energy vehicles. BACKGROUND

[0002] The new energy vehicle refers to an automobile adopting unconventional vehicle fuel as a power source (or using conventional vehicle fuel, adopting a new vehicle power device), and combining the advanced technologies of vehicle power control and driving to form an automobile with advanced technical principles and new technologies and structures.

[0003] However, the existing new energy vehicle thermal runaway self-rescue device is inconvenient for timely detection of the battery pack state, and thus cannot timely separate from the battery pack, and is inconvenient for extinguishing the battery during use, and generally pushes the battery pack out of the battery box, but when the temperature of the battery pack is too high, the battery pack is easy to catch fire when being discharged from the battery box, leading to battery combustion and easy explosion. SUMMARY

[0004] The main purpose of the application is to solve the inconvenience of timely separation from the battery pack and the inconvenience of extinguishing the battery, and provide a new energy vehicle thermal runaway self-rescue device.

[0005] The purpose of the application can be achieved by adopting the following technical scheme: A new energy vehicle thermal runaway self-rescue device, comprising a shell and a rotating assembly installed on the shell, a pushing assembly installed on the rotating assembly, a limiting assembly installed on the pushing assembly, a temperature detector installed on the shell, a protective shell installed on the shell, a fire extinguishing agent storage tank installed on the protective shell, a plurality of spray heads installed on the fire extinguishing agent storage tank, a protective plate rotatably installed on the protective shell, a fire extinguishing agent tank installed on the shell, a conveying assembly installed on the fire extinguishing agent tank, the conveying assembly being connected with the fire extinguishing agent storage tank, and the conveying assembly being installed on the pushing assembly.

[0006] Preferably, a shell cover is installed on the top of the shell, the shell cover is connected with the shell through bolts, a discharge port is formed in the bottom of the shell, and a protective net is installed on the discharge port.

[0007] Preferably, the rotating assembly comprises a motor, an outer frame and a connecting rod, the connecting rod is installed on the shell, one end of the connecting rod is provided with the outer frame, and the motor is installed on the outer frame.

[0008] Preferably, the pushing assembly comprises a first rack and a first gear, the output end of the motor is provided with the first gear, and the limiting assembly is provided with the first rack in meshing connection with the first gear.

[0009] Preferably, a first rotating block is installed on the protective plate, and a rotating hole is provided on the protective shell to cooperate with the first rotating block.

[0010] Preferably, the opening assembly includes a first connecting post, a second rack, a second gear, and a rotating rod. The rotating rod is mounted on the first rotating block, the second gear is mounted on the rotating rod, the first connecting post is mounted on the first rack, and a second rack that meshes with the second gear is mounted at one end of the first connecting post.

[0011] Preferably, a main magnet is installed on the first rotating block, and an auxiliary magnet that cooperates with the main magnet is installed on the protective shell.

[0012] Preferably, the delivery assembly includes a delivery pump, a connecting frame, a side rod, an extinguishing agent inlet pipe, and a delivery pipe. The extinguishing agent tank is equipped with a side rod, and a connecting frame is installed at one end of the side rod. The delivery pump is installed on the connecting frame. The input end of the delivery pump is connected to the extinguishing agent tank via the extinguishing agent inlet pipe, and the output end of the delivery pump is connected to the extinguishing agent storage tank via the delivery pipe. The extinguishing agent tank is equipped with an extinguishing agent adding pipe, and a pipe cap is threaded onto the adding pipe. An observation window is installed on the extinguishing agent tank.

[0013] Preferably, the limiting assembly includes a connecting frame, a push frame, a second connecting column, a side column, a connecting block, a guide ring, and a guide rod. A connecting block is mounted on the first rack, a side column is mounted on the connecting block, a push frame is mounted at one end of the side column, a second connecting column is mounted on the push frame, a connecting frame is mounted at one end of the second connecting column, a guide rod is mounted on the housing, and a guide ring that is slidably connected to the guide rod is mounted on the push frame.

[0014] Preferably, a base frame is mounted on the housing, a support ring is mounted on the base frame, a second rotating block is rotatably mounted on the support ring, and a conveying roller is mounted on the second rotating block.

[0015] Beneficial technical effects of the present invention: 1. The new energy vehicle thermal runaway self-rescue device according to the present invention, by setting a temperature detector, can monitor the temperature of the battery pack in the housing. When the temperature in the housing is too high, the motor can be started in time. After the motor is started, it can drive the first gear to rotate. When the first gear rotates, it drives the first rack to move. When the first rack moves, it drives the pusher to move. When the pusher moves, it drives the connecting frame to move, thereby pushing the battery pack out of the housing. It can automatically discharge the battery pack when thermal runaway occurs.

[0016] 2. By setting up a motor, the motor starts and drives the first gear to rotate. When the first gear rotates, it drives the first rack to move. When the first rack moves, it drives the second rack to move. When the second rack moves, it drives the second gear to rotate, which in turn drives the protective plate to open. At this time, the delivery pump starts and draws the extinguishing agent from the extinguishing agent tank through the inlet pipe and delivery pipe, and sprays it out through the nozzle. At this time, the battery pack is removed from the shell, and the extinguishing agent extinguishes the fire in the battery pack. In addition, by setting up a protective plate and a protective shell to cooperate with each other, the nozzle can be protected during the operation, preventing the nozzle from being damaged by flying stones on the road. The synchronous control of the battery pack extension and the extinguishing agent spraying through the single action of the motor also improves the response efficiency and safety. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the overall structure of the present invention; Figure 2 This is a schematic diagram of the delivery pump structure of the present invention; Figure 3 This is a schematic diagram of the observation window structure of the present invention; Figure 4 This is a schematic diagram of the protective net structure of the present invention; Figure 5 This is a schematic diagram of the pusher structure of the present invention; Figure 6 This is a schematic diagram of the temperature detector structure of the present invention; Figure 7 This is a schematic diagram of the second rack structure of the present invention; Figure 8 This is a schematic diagram of the motor structure of the present invention; Figure 9 This is a schematic diagram of the main magnet structure of the present invention; Figure 10 This is a schematic diagram of the auxiliary magnet structure of the present invention.

[0018] In the diagram: 1. Shell; 11. Shell cover; 12. Protective net; 13. Temperature detector; 2. First rack; 21. First gear; 3. Motor; 31. Outer frame; 32. Connecting rod; 4. First connecting column; 41. Second rack; 42. Second gear; 43. Rotating rod; 5. Protective shell; 51. First rotating block; 52. Protective plate; 6. Extinguishing agent tank; 61. Delivery pump; 62. Connecting frame; 63. Side rod; 64. Extinguishing agent inlet pipe; 65. Delivery pipe; 66. Extinguishing agent tank; 67. Extinguishing agent adding pipe; 68. Observation window; 69. Nozzle; 7. Connecting frame; 71. Push frame; 72. Second connecting column; 73. Side column; 74. Connecting block; 75. Guide ring; 76. Guide rod; 8. Main magnet; 81. Auxiliary magnet; 9. Base frame; 91. Conveying roller; 92. Support ring; 93. Second rotating block. Detailed Implementation

[0019] To enable those skilled in the art to understand the technical solution of the present invention more clearly, the present invention will be further described in detail below with reference to the embodiments and accompanying drawings, but the embodiments of the present invention are not limited thereto.

[0020] like Figures 1-10As shown, the new energy vehicle thermal runaway self-rescue device provided in this embodiment includes a housing 1 and a rotating assembly mounted on the housing 1. A pushing assembly is mounted on the rotating assembly, and a limit assembly is mounted on the pushing assembly. A temperature detector 13 is mounted on the housing 1. A protective shell 5 is mounted on the housing 1. A fire extinguishing agent tank 6 is mounted on the protective shell 5. Multiple nozzles 69 are mounted on the fire extinguishing agent tank 6. A protective plate 52 is rotatably mounted on the protective shell 5. A fire extinguishing agent tank 66 is mounted on the housing 1. A conveying assembly is mounted on the fire extinguishing agent tank 66 and is connected to the fire extinguishing agent tank 6. A conveying assembly is mounted on the pushing assembly. A shell cover 11 is mounted on the top of the housing 1 and is bolted to the housing 1. A discharge port is provided at the bottom of the housing 1, and a device is installed on the discharge port. The device includes a protective net 12. The rotating assembly comprises a motor 3, an outer frame 31, and a connecting rod 32. The connecting rod 32 is mounted on the housing 1, and the outer frame 31 is mounted on one end of the connecting rod 32. The motor 3 is mounted on the outer frame 31. The pushing assembly includes a first rack 2 and a first gear 21. The first gear 21 is mounted on the output end of the motor 3. The limiting assembly includes a first rack 2 that meshes with the first gear 21. The limiting assembly includes a connecting frame 7, a push frame 71, a second connecting post 72, a side post 73, a connecting block 74, a guide ring 75, and a guide rod 76. The connecting block 74 is mounted on the first rack 2, and the side post 73 is mounted on the connecting block 74. The push frame 71 is mounted on one end of the side post 73, and the second connecting post 72 is mounted on the push frame 71. A connecting frame 7 is installed, a guide rod 76 is installed on the housing 1, a guide ring 75 slidably connected to the guide rod 76 is installed on the push frame 71, a base frame 9 is installed on the housing 1, a support ring 92 is installed on the base frame 9, a second rotating block 93 is rotatably installed on the support ring 92, and a conveying roller 91 is installed on the second rotating block 93. By setting a temperature detector 13, the temperature of the battery pack in the housing 1 can be monitored. When the temperature in the housing 1 is too high, the motor 3 can be started in time. After the motor 3 starts, it can drive the first gear 21 to rotate. When the first gear 21 rotates, it drives the first rack 2 to move. When the first rack 2 moves, it drives the push frame 71 to move. When the push frame 71 moves, it drives the connecting frame 7 to move, thereby pushing the battery pack out of the housing 1, which can prevent the battery pack from overheating. The battery pack is automatically discharged under controlled conditions. Bolts facilitate the removal of the cover 11 to open the housing 1, allowing the battery pack to be installed inside. A discharge port allows extinguishing agents from the protective plate 52 to be discharged from the housing 1, preventing them from entering. A protective net 12 prevents external debris from entering the housing 1 and causing impact damage to the battery pack. A connecting rod 32, in conjunction with the outer frame 31, supports the motor 3. A pusher 71, in conjunction with the connecting frame 7, limits the battery pack's position. A second connecting column 72 allows the pusher 71 and the connecting frame 7 to move simultaneously, pushing the battery pack out. A guide ring 75 is slidably connected to the guide rod 76.To facilitate guiding and limiting the pusher 71, the side column 73 and connecting block 74 cooperate to support the first rack 2. The conveyor roller 91 assists in the movement of the battery pack. The base frame 9 and support ring 92 cooperate to support the conveyor roller 91. The second rotating block 93 is rotatably connected to the support ring 92, facilitating the rotation of the conveyor roller 91 to transport the battery pack.

[0021] In this embodiment, as Figure 1 , Figure 2 , Figure 3 , Figure 7 , Figure 8 , Figure 9 and Figure 10As shown, a first rotating block 51 is installed on the protective plate 52, and a rotating hole that cooperates with the first rotating block 51 is opened on the protective shell 5. The opening assembly includes a first connecting post 4, a second rack 41, a second gear 42, and a rotating rod 43. The rotating rod 43 is installed on the first rotating block 51, and the second gear 42 is installed on the rotating rod 43. The first connecting post 4 is installed on the first rack 2, and a second rack 41 that meshes with the second gear 42 is installed at one end of the first connecting post 4. A main magnet 8 is installed on the first rotating block 51, and an auxiliary magnet 81 that cooperates with the main magnet 8 is installed on the protective shell 5. The conveying assembly includes a conveying pump 6. 1. A connecting frame 62, a side rod 63, an extinguishing agent inlet pipe 64, and a delivery pipe 65 are installed on the extinguishing agent tank 66. A side rod 63 is installed on one end of the side rod 63, and a connecting frame 62 is installed on the connecting frame 62. A delivery pump 61 is installed on the connecting frame 62. The input end of the delivery pump 61 is connected to the extinguishing agent tank 66 via the extinguishing agent inlet pipe 64, and the output end of the delivery pump 61 is connected to the extinguishing agent storage tank 6 via the delivery pipe 65. An extinguishing agent adding pipe 67 is installed on the extinguishing agent tank 66, and a pipe cap is threaded onto the adding pipe 67. An observation window 68 is installed on the extinguishing agent tank 66. A motor 3 is installed, which, when started, drives the first gear 21 to rotate. When the first gear 21 rotates, it drives the first rack 2 to move. The movement of the first rack 2 drives the second rack 41 to move, which in turn drives the second gear 42 to rotate, thereby opening the protective plate 52. At this time, the delivery pump 61 starts, drawing the extinguishing agent from the extinguishing agent tank 66 through the extinguishing agent inlet pipe 64 and the delivery pipe 65, and spraying it out through the nozzle 69. Simultaneously, the battery pack is removed from the housing 1, and the extinguishing agent extinguishes the fire within the battery pack. Furthermore, by cooperating with the protective plate 52 and the protective housing 5, the nozzle 69 is protected during operation, preventing damage from stones on the road. The splashing head can damage the nozzle 69. The first connecting post 4 is provided to support the second rack 41. The first rotating block 51 is rotatably connected to the protective shell 5, which allows the protective plate 52 to rotate on the protective shell 5. The main magnet 8 and the auxiliary magnet 81 cooperate to limit the rotation of the protective plate 52. The side rod 63 cooperates with the connecting frame 62 to support the delivery pump 61. The observation window 68 allows for observation of the remaining amount of extinguishing agent in the extinguishing agent tank 66. The extinguishing agent adding pipe 67 allows for adding extinguishing agent to the extinguishing agent tank 66.

[0022] In this embodiment, as Figures 1-10 As shown in the figure, the working process of a new energy vehicle thermal runaway self-rescue device provided in this embodiment is as follows: Step 1: When the temperature detector 13 senses an increase in temperature in the housing 1, the car stops moving, the motor 3 starts and drives the first gear 21 to rotate. When the first gear 21 rotates, it drives the first rack 2 to move. When the first rack 2 moves, it drives the second rack 41 to move. When the second rack 41 moves, it drives the second gear 42 to rotate, which in turn drives the protective plate 52 to open. At this time, the delivery pump 61 starts and draws out the extinguishing agent from the extinguishing agent tank 66 through the extinguishing agent inlet pipe 64 and the delivery pipe 65. The extinguishing agent is then sprayed out through the nozzle 69 to extinguish the fire in the battery pack. Step 2: When the first rack 2 moves, it drives the pusher 71 to move. When the pusher 71 moves, it drives the connecting frame 7 to move, thereby pushing out the battery pack in the housing 1. The battery pack is extinguished by the fire extinguishing agent. When the battery pack is completely pushed out of the housing 1, the battery pack falls to the ground and is detached.

[0023] In summary, in this embodiment, the new energy vehicle thermal runaway self-rescue device, by setting a temperature detector 13, can monitor the temperature of the battery pack in the housing 1. When the temperature in the housing 1 is too high, the motor 3 can be started in time. After the motor 3 starts, it can drive the first gear 21 to rotate. When the first gear 21 rotates, it drives the first rack 2 to move. When the first rack 2 moves, it drives the pusher 71 to move. When the pusher 71 moves, it drives the connecting frame 7 to move, thereby pushing out the battery pack in the housing 1. It can automatically discharge the battery pack in the event of thermal runaway. By setting bolts, it is easy to remove the cover 11 to open the housing 1 and install the battery pack in the housing 1. By setting a discharge port, when the extinguishing agent on the protective plate 52 extinguishes the fire, it may cause the fire to extinguish. The extinguishing agent enters the housing 1, and the discharge port allows the extinguishing agent in the housing 1 to be discharged. A protective net 12 prevents external debris from entering the housing 1 and causing impact damage to the battery pack. A connecting rod 32 cooperates with the outer frame 31 to support the motor 3. A pusher 71 cooperates with the connecting frame 7 to limit the battery pack's movement. A second connecting column 72 allows the pusher 71 and the connecting frame 7 to move simultaneously, pushing the battery pack out. A guide ring 75 slides with the guide rod 76 to guide and limit the pusher 71. A side column 73 cooperates with the connecting block 74 to support the first rack 2. A conveying roller 91 assists in the movement of the battery pack. The base frame 9 and support ring 92 cooperate to support the conveyor roller 91. A second rotating block 93 is rotatably connected to the support ring 92, facilitating the rotation of the conveyor roller 91 to transport the battery pack. A motor 3 is installed; when started, it drives the first gear 21 to rotate. The rotation of the first gear 21 moves the first rack 2, which in turn moves the second rack 41. The movement of the second rack 41 then drives the second gear 42 to rotate, thereby opening the protective plate 52. At this point, the delivery pump 61 starts, drawing extinguishing agent from the extinguishing agent tank 66 through the extinguishing agent inlet pipe 64 and the delivery pipe 65, and spraying it out through the nozzle 69. The battery pack is then removed from the housing 1, and the extinguishing agent extinguishes the fire and provides self-extinguishing protection. By setting up a protective plate 52 and a protective shell 5 in cooperation, the nozzle 69 can be protected during operation, preventing damage to the nozzle 69 from flying stones on the road. The first connecting column 4 is set up to support the second rack 41. The first rotating block 51 is rotatably connected to the protective shell 5, which allows the protective plate 52 to rotate on the protective shell 5. The main magnet 8 and the auxiliary magnet 81 cooperate to limit the rotation of the protective plate 52. The side rod 63 cooperates with the connecting frame 62 to support the delivery pump 61. The observation window 68 is set up to observe the remaining amount of extinguishing agent in the extinguishing agent tank 66. The extinguishing agent adding pipe 67 is set up to add extinguishing agent to the extinguishing agent tank 66.

[0024] If certain terms are used in the specification and claims to refer to specific components, those skilled in the art will understand that hardware manufacturers may use different names to refer to the same component. This specification and claims do not distinguish components based on differences in name, but rather on differences in function. The term "comprising" as used throughout the specification and claims is an open-ended term and should be interpreted as "comprising but not limited to." "Approximately" means that within an acceptable margin of error, those skilled in the art can solve the technical problem and substantially achieve the technical effect within a certain margin of error.

[0025] It should be noted that the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a product or system comprising a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a product or system. Without further limitation, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the product or system that includes that element.

[0026] The foregoing description illustrates and describes several preferred embodiments of the present invention. However, as previously stated, it should be understood that the present invention is not limited to the forms disclosed herein and should not be construed as excluding other embodiments. It can be used in various other combinations, modifications, and environments, and can be altered within the scope of the inventive concept described herein through the foregoing teachings or techniques or knowledge in related fields. Any modifications and variations made by those skilled in the art that do not depart from the spirit and scope of the present invention should be within the protection scope of the appended claims.

Claims

1. A self-rescue device for thermal runaway in new energy vehicles, characterized in that, The device includes a housing (1) and a rotating assembly mounted on the housing (1). A pushing assembly is mounted on the rotating assembly, and a limiting assembly is mounted on the pushing assembly. A temperature detector (13) is mounted on the housing (1). A protective shell (5) is mounted on the housing (1). A fire extinguishing agent tank (6) is mounted on the protective shell (5). Multiple nozzles (69) are mounted on the fire extinguishing agent tank (6). A protective plate (52) is rotatably mounted on the protective shell (5). A fire extinguishing agent tank (66) is mounted on the housing (1). A conveying assembly is mounted on the fire extinguishing agent tank (6). The conveying assembly is connected to the fire extinguishing agent tank (6). A conveying component is mounted on the pushing assembly.

2. The self-rescue device for thermal runaway of a new energy vehicle according to claim 1, characterized in that, The top of the housing (1) is fitted with a cover (11), which is connected to the housing (1) by bolts. The bottom of the housing (1) is provided with a discharge port, and a protective net (12) is installed on the discharge port.

3. The self-rescue device for thermal runaway of a new energy vehicle according to claim 2, characterized in that, The rotating assembly includes a motor (3), an outer frame (31) and a connecting rod (32). The connecting rod (32) is mounted on the housing (1), and the outer frame (31) is mounted on one end of the connecting rod (32). The motor (3) is mounted on the outer frame (31).

4. The self-rescue device for thermal runaway of a new energy vehicle according to claim 3, characterized in that, The pushing component includes a first rack (2) and a first gear (21). The output end of the motor (3) is equipped with the first gear (21), and the limiting component is equipped with a first rack (2) that meshes with the first gear (21).

5. A self-rescue device for thermal runaway in a new energy vehicle according to claim 4, characterized in that, The protective plate (52) is equipped with a first rotating block (51), and the protective shell (5) has a rotating hole that cooperates with the first rotating block (51).

6. A self-rescue device for thermal runaway in a new energy vehicle according to claim 5, characterized in that, The opening assembly includes a first connecting post (4), a second rack (41), a second gear (42), and a rotating rod (43). The rotating rod (43) is mounted on the first rotating block (51), the second gear (42) is mounted on the rotating rod (43), the first connecting post (4) is mounted on the first rack (2), and a second rack (41) that meshes with the second gear (42) is mounted on one end of the first connecting post (4).

7. A self-rescue device for thermal runaway in a new energy vehicle according to claim 6, characterized in that, The first rotating block (51) is equipped with a main magnet (8), and the protective shell (5) is equipped with an auxiliary magnet (81) that cooperates with the main magnet (8).

8. A self-rescue device for thermal runaway in a new energy vehicle according to claim 7, characterized in that, The delivery assembly includes a delivery pump (61), a connecting frame (62), a side rod (63), an extinguishing agent inlet pipe (64), and a delivery pipe (65). The extinguishing agent tank (66) is equipped with a side rod (63), and a connecting frame (62) is installed at one end of the side rod (63). The delivery pump (61) is installed on the connecting frame (62). The input end of the delivery pump (61) is connected to the extinguishing agent tank (66) through the extinguishing agent inlet pipe (64). The output end of the delivery pump (61) is connected to the extinguishing agent storage tank (6) through the delivery pipe (65). The extinguishing agent tank (66) is equipped with an extinguishing agent addition pipe (67), and a pipe cap is threaded onto the extinguishing agent addition pipe (67). The extinguishing agent tank (66) is equipped with an observation window (68).

9. A self-rescue device for thermal runaway in a new energy vehicle according to claim 7, characterized in that, The limiting assembly includes a connecting frame (7), a pusher (71), a second connecting post (72), a side post (73), a connecting block (74), a guide ring (75), and a guide rod (76). The first rack (2) is equipped with a connecting block (74), the connecting block (74) is equipped with a side post (73), one end of the side post (73) is equipped with a pusher (71), the pusher (71) is equipped with a second connecting post (72), one end of the second connecting post (72) is equipped with a connecting frame (7), the housing (1) is equipped with a guide rod (76), and the pusher (71) is equipped with a guide ring (75) that is slidably connected to the guide rod (76).

10. A self-rescue device for thermal runaway in a new energy vehicle according to claim 9, characterized in that, A base frame (9) is installed on the housing (1), a support ring (92) is installed on the base frame (9), a second rotating block (93) is rotatably installed on the support ring (92), and a conveying roller (91) is installed on the second rotating block (93).