Temperature-sensing self-starting fire extinguishing device of sol-gel fire extinguishing agent

Abstract

The invention discloses a temperature-sensing self-starting fire extinguishing device for a sol-gel fire extinguishing agent, and relates to the technical field of lithium ion batteries, the temperature-sensing self-starting fire extinguishing device comprises a battery sub-packaging box, a box cover and baffles, the top of the battery sub-packaging box is connected with the box cover through bolts, and a plurality of baffles are arranged in the battery sub-packaging box. The temperature sensor component is used for monitoring the temperature change in the battery compartment in real time, when the temperature is detected to be abnormal, the temperature sensor component transmits a signal to the controller component through the main cable component, the controller component activates the control switch immediately, the first telescopic rod drives the triggering pulling plate to move in the sliding chamber, and the battery compartment is opened. The second flow guide channel is aligned with the first flow guide channel at the bottom of the limiting plate, so that the sol-gel fire extinguishing agent filled in the containing groove is quickly released, the sol-gel fire extinguishing agent quickly falls down to cover the surface of the lithium battery, and the lithium battery is prevented from being on fire and exploded; the system has the remarkable advantages of intelligent quick response, controllable fire extinguishing agent storage and release and high safety.

Description

Technical Field

[0001] The invention relates to the technical field of lithium ion batteries, in particular to a temperature-sensitive self-starting fire extinguishing device of a sol-gel fire extinguishing agent. Background Art

[0002] Lithium batteries are used in many energy storage scenarios due to their high energy density, long life cycle, low self-discharge rate, and no memory. In the automotive field, lithium batteries are the core power source of electric vehicles. In the field of electrochemical energy storage, lithium batteries are the core energy storage carrier. However, we cannot ignore the problems that lithium batteries have in actual operation. Especially in high-power operation, lithium batteries will generate a lot of heat, which will not only have a negative impact on battery performance, but also cause safety problems. Once the battery is in thermal runaway, it will not stop automatically, but will continue to emit heat, gas, and even burn and explode. In lithium battery fires, the fire extinguishing agents that are currently used more frequently include solid fire extinguishing agents such as dry powder fire extinguishing agents and aerosol fire extinguishing agents, gas fire extinguishing agents such as CO2, heptafluoropropane, perfluorohexanone, etc., as well as liquid water-based fire extinguishing agents such as water, fine water mist, and fine water mist additives. The fire extinguishing devices that are currently used more frequently include aerosol fire extinguishing devices, heptafluoropropane gas fire extinguishing devices, water-based fire extinguishing devices, high-pressure fine water mist fire extinguishing devices, and solid fire extinguishing devices. In order to ensure the fire extinguishing accuracy of sol-gel fire extinguishing agents, temperature-sensitive self-starting fire extinguishing devices are required.

[0003] The defects of the existing temperature-sensing self-starting fire extinguishing device are: 1. Patent document US4854388A discloses a fire extinguishing device, but the fire extinguishing device in the above document lacks intelligent rapid response and controllable fire extinguishing agent storage and release functions, so there are technical problems of low fire extinguishing efficiency and safety; 2. Patent document US3752235A discloses a remote control fire protection system. However, the fire extinguishing system in the above document has a technical problem of gas or fire extinguishing agent backflow during the fire extinguishing process, which poses a potential safety hazard. 3. Patent document JPH08150225A discloses an automatic fire extinguisher. However, the automatic fire extinguisher in the above document cannot ensure the stable sealing effect of the fire extinguishing agent transport interface during use, and there is a technical problem of fire extinguishing agent leakage during use; 4. Patent document CN116688414A discloses a temperature-sensitive self-starting fire extinguishing device. However, the fire extinguishing device in the above document has a technical problem that the refilling step is complicated and dangerous after the fire extinguishing agent is used. Summary of the invention

[0004] The object of the present invention is to provide a temperature-sensitive self-starting fire extinguishing device of a sol-gel fire extinguishing agent to solve the technical problems raised in the above-mentioned background technology.

[0005] To achieve the above object, the present invention provides the following technical solution: a temperature-sensitive self-starting fire extinguishing device of a sol-gel fire extinguishing agent, comprising a battery sub-packaging box, a box cover and a baffle, wherein the top of the battery sub-packaging box is connected to the box cover by bolts, and a plurality of baffles are arranged inside the battery sub-packaging box; The battery packing box is provided with a battery compartment and a mounting groove through a baffle, and the mounting grooves are evenly and symmetrically opened on both sides of the battery compartment, the inner wall of the battery compartment is embedded with a temperature sensor component, one end of the temperature sensor component is connected to a main cable component through a cable, and the main cable component is installed inside the mounting groove, one end of the main cable component is electrically connected to a controller component, and the controller component is fixedly connected to one side of the battery packing box, the top of the controller component is movably connected to a control switch, and the controller component is electrically connected to the control switch, and one end of the control switch is fixedly connected to one side of the box cover; A plurality of containing grooves are arranged at the bottom of the box cover, and the containing grooves are located above the battery compartment, a limiting plate is arranged at the bottom of the inner wall of the containing groove, a plurality of first guide channels are arranged at the bottom of the limiting plate, the inner wall of the containing groove is arranged with a sliding chamber, the inner wall of the sliding chamber is movably connected with a trigger draw plate, a plurality of second guide channels are arranged at the bottom of the trigger draw plate, a group of first telescopic rods are arranged at one end of the trigger draw plate, and the first telescopic rods are electrically connected to the control switch through cables, and the first telescopic rods are embedded in the inner wall of the sliding chamber, and the interior of the containing groove is filled with sol-gel fire extinguishing agent.

[0006] Preferably, a plurality of first transport channels are provided inside the box cover, and one end of the first transport channel penetrates and is connected to the inner wall of the containing tank, and the other end of the first transport channel is respectively provided on the outer wall of the box cover, and the other end of the first transport channel is movably connected to an auxiliary fire extinguishing component, and the auxiliary fire extinguishing component is used to continuously input sol-gel fire extinguishing agent into the first transport channel, and both ends of the first transport channel are provided with a one-way valve structure, and the interior of the first transport channel is filled with an inert gas, and the inert gas includes one of N2, NH3 or CO2.

[0007] Preferably, the one-way valve structure includes a sleeve, and the outer wall of the sleeve is fixedly connected to the inner wall of the first transport channel, one end of the inner wall of the sleeve is fixedly connected to a sealing circular plate, one end of the sealing circular plate is provided with a first sealing notch, the other end of the sealing circular plate is provided with a second sealing notch, and one end of the first sealing notch is connected to the other end of the second sealing notch, the other end of the inner wall of the sleeve is fixedly connected to a storage plate, a limiting rod is connected through the middle part of one end of the storage plate, one end of the limiting rod is provided with a sealing plate, and the outer wall of the sealing plate is movably connected to the inner wall of the second sealing notch, the outer wall of the limiting rod is movably connected to a first spring, and one end of the first spring is movably connected to the other end of the sealing plate, and the other end of the first spring is movably connected to one end of the storage plate.

[0008] Preferably, the auxiliary fire extinguishing assembly includes an auxiliary fire extinguishing box, and the auxiliary fire extinguishing box is fixedly connected to the front and back of the battery packaging box, and the top of the outer wall of the auxiliary fire extinguishing box is movably connected to the outer wall of the box cover, a storage slot is provided on one side of the auxiliary fire extinguishing box, an auxiliary fire extinguishing storage tank is provided on the inner wall of the storage slot, and the interior of the auxiliary fire extinguishing storage tank is filled with sol-gel fire extinguishing agent, a second telescopic rod is embedded in the inner bottom wall of the auxiliary fire extinguishing storage tank, a piston is provided at the output end of the second telescopic rod, and the outer wall of the piston is movably connected to the inner wall of the auxiliary fire extinguishing storage tank, and a limiting plate is connected to one side of the auxiliary fire extinguishing box by bolts.

[0009] Preferably, a plurality of mounting holes are provided on the top of the outer wall of the auxiliary fire extinguishing box, a second transport channel is provided on the inner wall of the mounting hole, and the other end of the second transport channel passes through the inner top wall of the storage groove, the inner wall of the second transport channel is movably connected with an output pipe, the inner wall of the mounting hole is movably connected with a sealing ring, one end of the inner wall of the sealing ring is fixedly connected with an annular sealing cushion, and the inner layer of the annular sealing cushion is fixedly connected to the outer wall of the output pipe, a plurality of discharge ports are provided at one end of the output pipe, the other end of the output pipe is fixedly connected with a telescopic bellows, and the other end of the telescopic bellows is fixedly connected with the transport pipe.

[0010] Preferably, the inner wall of the sealing ring is provided with a plurality of movable chambers, the inner wall of the movable chamber is fixedly connected with a fixed column, the outer wall of the fixed column is movably connected with a second spring, the outer wall of the fixed column is penetrated by a connecting column, and the other end of the connecting column is fixedly connected to the outer wall of the output pipe.

[0011] Preferably, an installation chamber is provided on the inner wall of the second transport channel, a third telescopic rod is embeddedly connected to the inner wall of the installation chamber, a push block is fixedly connected to the output end of the third telescopic rod, and the push block is fixedly connected to the outer wall of the output pipe.

[0012] Preferably, a discharge pipe is provided at one end of the top of the auxiliary fire extinguishing storage tank, and the top of the discharge pipe is connected to the other end of the transport pipe, a first solenoid valve is provided on the outer wall of the discharge pipe, a feeding pipe is embedded and installed on the top of the outer wall of the auxiliary fire extinguishing storage tank, and a second solenoid valve is provided on the inner wall of the feeding pipe.

[0013] Preferably, the working steps of the temperature-sensitive self-starting fire extinguishing device of the sol-gel fire extinguishing agent are as follows: S1. When the temperature in the battery compartment rises abnormally and reaches the preset threshold of the temperature sensor component, the temperature sensor component will immediately send a signal, which is transmitted to the main cable component through the cable and finally received by the controller component. After receiving the signal, the controller component determines whether to start the fire extinguishing mechanism; S2, the controller component determines that the fire extinguishing mechanism needs to be activated, and sends an electrical signal to the first telescopic rod through the cable. After receiving the signal, the first telescopic rod pushes the trigger plate to slide in the sliding chamber, and the sliding of the trigger plate causes the second guide channel at the bottom of the trigger plate to align with the first guide channel at the bottom of the limit plate, thereby allowing the sol-gel fire extinguishing agent to flow out of the containing tank; S3, after the sol-gel fire extinguishing agent flows out through the first diversion channel and the second diversion channel, it will enter the preset fire extinguishing area of ​​the device and effectively extinguish the fire source in the battery compartment; S4, at the same time, the third telescopic rod pushes the push block and the output pipe to move, and pushes open the one-way valve structure, and starts the second telescopic rod to push the piston to move in the auxiliary fire extinguishing storage tank, and squeezes the sol-gel fire extinguishing agent into the first transport channel through the second transport channel and the output pipe; S5. The inert gas and the sol-gel fire extinguishing agent in the auxiliary fire extinguishing storage tank are transported to the battery compartment through the first transport channel for fire extinguishing.

[0014] Preferably, the S4 further includes the following working steps: S41. The expansion and contraction of the expansion bellows can ensure the movement stability of the output pipe.

[0015] Compared with the prior art, the present invention has the following beneficial effects: 1. The present invention uses a temperature sensor component to monitor the temperature change in the battery compartment in real time. When a temperature abnormality is detected, the temperature sensor component transmits a signal to the controller component through the main cable component. The controller component then activates the control switch, and drives the trigger drawer plate to move in the sliding chamber through the first telescopic rod, so that the second guide channel is aligned with the first guide channel at the bottom of the limit plate, thereby quickly releasing the sol-gel fire extinguishing agent filled in the holding tank, so that the sol-gel fire extinguishing agent quickly falls and covers the surface of the lithium battery, avoiding the lithium battery from catching fire and exploding. It has the significant advantages of intelligent and rapid response, controllable storage and release of fire extinguishing agents, and high safety. It is widely used in scenes requiring automatic fire extinguishing protection, and effectively improves fire extinguishing efficiency and safety. 2. The present invention adds a first transport channel inside the box cover. One end of the channel is connected to the containing tank, and the other end extends to the outside of the box cover. The auxiliary fire extinguishing assembly is equipped to continuously replenish the sol-gel fire extinguishing agent into the first transport channel. The one-way valve structure is set to ensure the one-way flow of the fire extinguishing agent. At the same time, the first transport channel is filled with inert gas to enhance the fire extinguishing effect and provide additional safety protection. Then, through the elastic force of the first spring, the sealing plate can open the second sealing gap under the pressure of the fire extinguishing agent to allow the fire extinguishing agent to flow out, and automatically close when there is no pressure to prevent the gas or fire extinguishing agent from flowing back, thereby ensuring the effective use of the fire extinguishing agent and the stable operation of the device, thereby enhancing the reliability and safety of the device; 3. The present invention is provided with a mounting hole at the top of the auxiliary fire extinguisher box, a second transport channel, a storage slot and an output pipe, wherein one end of the output pipe is provided with a discharge port, and the other end is connected to the transport pipe through a telescopic bellows, which is conducive to ensuring the portability of the output pipe, and can push the push block and the output pipe to move through the third telescopic rod, and one end of the output pipe can push open the one-way valve structure at one end of the first transport channel, and then through the arrangement of the sealing ring, the annular sealing cushion, the moving chamber, the fixed column, the second spring and the connecting column, when the output pipe is outputting, the sealing effect can be improved through the sealing ring and the annular sealing cushion; 4. The present invention provides auxiliary fire extinguishing boxes on the front and back of the battery packaging box, and is provided with storage slots in the auxiliary fire extinguishing boxes for installing auxiliary fire extinguishing storage tanks. The auxiliary fire extinguishing storage tanks are filled with sol-gel fire extinguishing agent, and the output of the sol-gel fire extinguishing agent can be controlled by a piston driven by a second telescopic rod, which not only ensures the effective storage of the sol-gel fire extinguishing agent, but also realizes the on-demand supply of the sol-gel fire extinguishing agent. The discharge pipe, the transport pipe and the first solenoid valve arranged on the top of the auxiliary fire extinguishing storage tank can realize the precise control and release of the sol-gel fire extinguishing agent. The feeding pipe is used to replenish the sol-gel fire extinguishing agent into the storage tank, and is equipped with a second solenoid valve to ensure the safety and controllability of the feeding process, thereby improving the continuous fire extinguishing capability and flexibility of the fire extinguishing device, and providing a strong guarantee for fire safety. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the present invention; Figure 2 It is a schematic diagram of the overall cross-sectional structure of the present invention; Figure 3 For the present invention Figure 2 Schematic diagram of the structure at A in the middle; Figure 4 It is a schematic diagram of the structure of the battery packing box of the present invention; Figure 5 It is a schematic diagram of the structure of the holding tank of the present invention; Figure 6 This is a schematic diagram of the top structure of the battery packaging box of the present invention; Figure 7 It is a schematic diagram of the cross-sectional structure of the top of the box cover of the present invention; Figure 8 For the present invention Figure 7 Schematic diagram of the structure at B in the middle; Fig. 9 It is a schematic diagram of the flow chart of the controller components of the present invention; Fig.10 It is a schematic diagram of the workflow of the present invention.

[0017] In the figure: 1. battery packing box; 2. box cover; 3. baffle; 4. battery compartment; 5. mounting slot; 6. temperature sensor component; 7. main cable component; 8. controller component; 9. control switch; 11. holding slot; 12. limit plate; 13. first flow guide channel; 14. sliding chamber; 15. trigger draw plate; 16. second flow guide channel; 17. first telescopic rod; 18. sol-gel fire extinguishing agent; 19. first transport channel; 20. one-way valve structure; 21. inert gas; 22. sleeve; 23. sealing circular plate; 24. first sealing notch; 25. second sealing notch; 26. storage plate; 27. limit rod; 2 8. Sealing plate; 29. ​​First spring; 30. Auxiliary fire extinguishing box; 31. Storage slot; 32. Auxiliary fire extinguishing storage tank; 33. Second telescopic rod; 34. Piston; 35. Mounting hole; 36. Second transport channel; 37. Output pipe; 38. Sealing ring; 39. Annular sealing cushion; 40. Discharge port; 41. Telescopic bellows; 42. Transport pipe; 44. Moving chamber; 45. Fixed column; 46. Second spring; 47. Connecting column; 48. Mounting chamber; 49. Third telescopic rod; 50. Push block; 51. Discharge pipe; 52. First solenoid valve; 53. Replenishment pipe; 54. Second solenoid valve; 55. Restriction plate. DETAILED DESCRIPTION

[0018] 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.

[0019] In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end", "the other end" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance.

[0020] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "connected", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0021] Example 1: Please refer to Figure 1 , Figure 2 , Figure 4 , Figure 5 , Figure 6 and Fig. 9 , an embodiment provided by the present invention: a temperature-sensitive self-starting fire extinguishing device of a sol-gel fire extinguishing agent, comprising a battery packing box 1, a box cover 2 and a baffle 3, the top of the battery packing box 1 is connected with the box cover 2 by bolts, and a plurality of baffles 3 are arranged inside the battery packing box 1; The battery packing box 1 is provided with a battery compartment 4 and a mounting groove 5 through a baffle 3, and the mounting grooves 5 are evenly and symmetrically opened on both sides of the battery compartment 4, and a temperature sensor component 6 is embedded in the inner wall of the battery compartment 4, one end of the temperature sensor component 6 is connected to a main cable component 7 through a cable, and the main cable component 7 is installed inside the mounting groove 5, one end of the main cable component 7 is electrically connected to a controller component 8, and the controller component 8 is fixedly connected to one side of the battery packing box 1, and the top of the controller component 8 is movably connected to a control switch 9, and the controller component 8 is electrically connected to the control switch 9, and one end of the control switch 9 is fixedly connected to one side of the box cover 2; A plurality of containing grooves 11 are provided at the bottom of the box cover 2, and the containing grooves 11 are located above the battery compartment 4. A limit plate 12 is provided at the bottom of the inner wall of the containing groove 11, and a plurality of first guide channels 13 are provided at the bottom of the limit plate 12. A sliding chamber 14 is provided on the inner wall of the containing groove 11, and a trigger draw plate 15 is movably connected to the inner wall of the sliding chamber 14. A plurality of second guide channels 16 are provided at the bottom of the trigger draw plate 15. A group of first telescopic rods 17 are provided at one end of the trigger draw plate 15, and the first telescopic rods 17 are electrically connected to the control switch 9 through a cable, and the first telescopic rods 17 are embedded in the inner wall of the sliding chamber 14, and the interior of the containing groove 11 is filled with a sol-gel fire extinguishing agent 18; Furthermore, by using the temperature sensor component 6 to monitor the temperature changes in the battery compartment 4 in real time, when a temperature abnormality is detected, the temperature sensor component 6 transmits a signal to the controller component 8 through the main cable component 7, and the controller component 8 immediately activates the control switch 9, and drives the trigger drawer 15 to move in the sliding chamber 14 through the first telescopic rod 17, so that the second guide channel 16 is aligned with the first guide channel 13 at the bottom of the limiting plate 12, thereby quickly releasing the sol-gel fire extinguishing agent 18 filled in the containing groove 11, so that the sol-gel fire extinguishing agent 18 quickly falls and covers the surface of the lithium battery, avoiding the lithium battery from catching fire and exploding. It has the significant advantages of intelligent and rapid response, controllable storage and release of fire extinguishing agents, and high safety. It is widely used in scenarios requiring automatic fire extinguishing protection, effectively improving fire extinguishing efficiency and safety.

[0022] Example 2: Please refer to Figure 2 and Figure 7 , an embodiment provided by the present invention: a plurality of first transport channels 19 are arranged inside the box cover 2, and one end of the first transport channel 19 penetrates and is connected to the inner wall of the containing tank 11, and the other end of the first transport channel 19 is respectively arranged on the outer wall of the box cover 2, the other end of the first transport channel 19 is movably connected with an auxiliary fire extinguishing component, and the auxiliary fire extinguishing component is used to continuously input the sol-gel fire extinguishing agent 18 into the first transport channel 19, both ends of the first transport channel 19 are provided with a one-way valve structure 20, and the interior of the first transport channel 19 is filled with an inert gas 21, and the inert gas 21 includes one of N2, NH3 or CO2; The one-way valve structure 20 includes a sleeve 22, and the outer wall of the sleeve 22 is fixedly connected to the inner wall of the first transport channel 19, one end of the inner wall of the sleeve 22 is fixedly connected to a sealing circular plate 23, one end of the sealing circular plate 23 is provided with a first sealing notch 24, the other end of the sealing circular plate 23 is provided with a second sealing notch 25, and one end of the first sealing notch 24 is connected to the other end of the second sealing notch 25, the other end of the inner wall of the sleeve 22 is fixedly connected to a storage plate 26, the middle part of one end of the storage plate 26 is connected through a limiting rod 27, one end of the limiting rod 27 is provided with a sealing plate 28, and the outer wall of the sealing plate 28 is movably connected to the inner wall of the second sealing notch 25, the outer wall of the limiting rod 27 is movably connected to a first spring 29, one end of the first spring 29 is movably connected to the other end of the sealing plate 28, and the other end of the first spring 29 is movably connected to one end of the storage plate 26; Furthermore, a first transport channel 19 is added inside the box cover 2. One end of these channels is connected to the containing tank 11, and the other end extends to the outside of the box cover 2. Auxiliary fire extinguishing components are provided, which can continuously replenish the sol-gel fire extinguishing agent 18 into the first transport channel 19. The one-way valve structure 20 is provided to ensure the one-way flow of the fire extinguishing agent. At the same time, the first transport channel 19 is filled with an inert gas 21 to enhance the fire extinguishing effect and provide additional safety protection. Through the elastic force of the first spring 29, the sealing plate 28 can open the second sealing gap 25 under the pressure of the fire extinguishing agent to allow the fire extinguishing agent to flow out, and automatically close when there is no pressure to prevent the gas or fire extinguishing agent from flowing back, thereby ensuring the effective use of the fire extinguishing agent and the stable operation of the device, thereby enhancing the reliability and safety of the device.

[0023] Example 3: Please refer to Figure 2 , Figure 3 , Figure 7 and Figure 8 , an embodiment provided by the present invention: the auxiliary fire extinguishing assembly includes an auxiliary fire extinguishing box 30, and the auxiliary fire extinguishing box 30 is fixedly connected to the front and back of the battery packing box 1, and the top of the outer wall of the auxiliary fire extinguishing box 30 is movably connected to the outer wall of the box cover 2, a storage groove 31 is provided on one side of the auxiliary fire extinguishing box 30, an auxiliary fire extinguishing storage tank 32 is provided on the inner wall of the storage groove 31, and the interior of the auxiliary fire extinguishing storage tank 32 is filled with a sol-gel fire extinguishing agent 18, a second telescopic rod 33 is embedded on the inner bottom wall of the auxiliary fire extinguishing storage tank 32, a piston 34 is provided at the output end of the second telescopic rod 33, and the outer wall of the piston 34 is movably connected to the inner wall of the auxiliary fire extinguishing storage tank 32, and a limiting plate 55 is connected to one side of the auxiliary fire extinguishing box 30 by bolts; A plurality of mounting holes 35 are provided at the top of the outer wall of the auxiliary fire extinguishing box 30, a second transport passage 36 is provided at the inner wall of the mounting hole 35, and the other end of the second transport passage 36 penetrates the inner top wall of the storage groove 31, an output pipe 37 is movably connected to the inner wall of the second transport passage 36, a sealing ring 38 is movably connected to the inner wall of the mounting hole 35, an annular sealing cushion 39 is fixedly connected to one end of the inner wall of the sealing ring 38, and the inner layer of the annular sealing cushion 39 is fixedly connected to the outer wall of the output pipe 37, a plurality of discharge ports 40 are provided at one end of the output pipe 37, a telescopic bellows 41 is fixedly connected to the other end of the output pipe 37, and a transport pipe 42 is fixedly connected to the other end of the telescopic bellows 41; The inner wall of the sealing ring 38 is provided with a plurality of moving chambers 44, the inner wall of the moving chamber 44 is fixedly connected with a fixing column 45, the outer wall of the fixing column 45 is movably connected with a second spring 46, the outer wall of the fixing column 45 is penetrated with a connecting column 47, and the other end of the connecting column 47 is fixedly connected to the outer wall of the output pipe 37; The inner wall of the second transport channel 36 is provided with an installation chamber 48, the inner wall of the installation chamber 48 is connected with a third telescopic rod 49, the output end of the third telescopic rod 49 is fixedly connected with a push block 50, and the push block 50 is fixedly connected to the outer wall of the output pipe 37; Furthermore, through the installation hole 35 provided on the top of the auxiliary fire extinguishing box 30, the second transport channel 36, the storage slot 31 and the output pipe 37, one end of the output pipe 37 is provided with a discharge port 40, and the other end is connected to the transport pipe 42 through a telescopic bellows 41, which is conducive to ensuring the portability of the output pipe 37 and can improve the smoothness and accuracy of the transportation of the fire extinguishing agent; The push block 50 and the output pipe 37 are pushed to move by the third telescopic rod 49, and one end of the output pipe 37 can push open the one-way valve structure 20 at one end of the first transport channel 19. Then, through the setting of the sealing ring 38, the annular sealing cushion 39, the moving chamber 44, the fixed column 45, the second spring 46 and the connecting column 47, the sealing effect can be improved through the sealing ring 38 and the annular sealing cushion 39 when the output pipe 37 is outputting.

[0024] Example 4: Please refer to Figure 2 , an embodiment provided by the present invention: the auxiliary fire extinguishing assembly includes an auxiliary fire extinguishing box 30, and the auxiliary fire extinguishing box 30 is fixedly connected to the front and back of the battery packing box 1, and the top of the outer wall of the auxiliary fire extinguishing box 30 is movably connected to the outer wall of the box cover 2, a storage groove 31 is provided on one side of the auxiliary fire extinguishing box 30, an auxiliary fire extinguishing storage tank 32 is provided on the inner wall of the storage groove 31, and the interior of the auxiliary fire extinguishing storage tank 32 is filled with a sol-gel fire extinguishing agent 18, a second telescopic rod 33 is embedded on the inner bottom wall of the auxiliary fire extinguishing storage tank 32, a piston 34 is provided at the output end of the second telescopic rod 33, and the outer wall of the piston 34 is movably connected to the inner wall of the auxiliary fire extinguishing storage tank 32, and a limiting plate 55 is connected to one side of the auxiliary fire extinguishing box 30 by bolts; A discharge pipe 51 is provided at one end of the top of the auxiliary fire extinguishing storage tank 32, and the top of the discharge pipe 51 is connected to the other end of the transport pipe 42, a first solenoid valve 52 is provided on the outer wall of the discharge pipe 51, a feeding pipe 53 is embedded and installed on the top of the outer wall of the auxiliary fire extinguishing storage tank 32, and a second solenoid valve 54 is provided on the inner wall of the feeding pipe 53; Furthermore, through the auxiliary fire extinguishing box 30 on the front and back of the battery packaging box 1, a storage groove 31 is provided in the auxiliary fire extinguishing box 30 for installing an auxiliary fire extinguishing storage tank 32. The auxiliary fire extinguishing storage tank 32 is filled with a sol-gel fire extinguishing agent 18, and the output of the sol-gel fire extinguishing agent 18 can be controlled by a piston 34 driven by a second telescopic rod 33, which not only ensures the effective storage of the sol-gel fire extinguishing agent 18, but also realizes the on-demand supply of the sol-gel fire extinguishing agent 18. In addition, the discharge pipe 51, the transport pipe 42 and the first solenoid valve 52 arranged on the top of the auxiliary fire extinguishing storage tank 32 can realize the precise control and release of the sol-gel fire extinguishing agent 18. The feeding pipe 53 is used to replenish the sol-gel fire extinguishing agent 18 into the storage tank, and a second solenoid valve 54 is installed on it to ensure the safety and controllability of the feeding process, thereby improving the continuous fire extinguishing capability and flexibility of the fire extinguishing device, and providing a strong guarantee for fire safety.

[0025] Example 5: Please refer to Fig.10 The present invention provides an embodiment: the working steps of the temperature-sensitive self-starting fire extinguishing device of the sol-gel fire extinguishing agent are as follows: S1. When the temperature in the battery compartment 4 rises abnormally and reaches the preset threshold of the temperature sensor component 6, the temperature sensor component 6 will immediately send a signal, which is transmitted to the main cable component 7 through the cable and finally received by the controller component 8. After receiving the signal, the controller component 8 determines whether the fire extinguishing mechanism needs to be activated; S2, the controller component 8 determines that the fire extinguishing mechanism needs to be activated, and sends an electrical signal to the first telescopic rod 17 through the cable. After receiving the signal, the first telescopic rod 17 pushes the triggering plate 15 to slide in the sliding chamber 14. The sliding of the triggering plate 15 causes the second guide channel 16 at the bottom thereof to align with the first guide channel 13 at the bottom of the limiting plate 12, thereby allowing the sol-gel fire extinguishing agent 18 to flow out of the containing tank 11; S3, after the sol-gel fire extinguishing agent 18 flows out through the first guide channel 13 and the second guide channel 16, it will enter the preset fire extinguishing area of ​​the device and effectively extinguish the fire source in the battery compartment 4; S4, at the same time, the third telescopic rod 49 pushes the push block 50 and the output pipe 37 to move, and pushes open the one-way valve structure 20, and starts the second telescopic rod 33 to push the piston 34 to move in the auxiliary fire extinguishing storage tank 32, and squeezes the sol-gel fire extinguishing agent 18 into the first transport channel 19 through the second transport channel 36 and the output pipe 37; S5, transporting the inert gas 21 and the sol-gel fire extinguishing agent 18 in the auxiliary fire extinguishing storage tank 32 to the battery compartment 4 through the first transport channel 19 for fire extinguishing; S4 also includes the following working steps: S41, the expansion and contraction of the expansion bellows 41 can ensure the movement stability of the output pipe 37; S42, due to the elastic force of the first spring 29, the sealing plate 28 can open the second sealing gap 25 under the pressure of the fire extinguishing agent to allow the fire extinguishing agent to flow out, and automatically close when there is no pressure to prevent the gas or fire extinguishing agent from flowing back, thereby ensuring the effective use of the fire extinguishing agent and the stable operation of the device, thereby enhancing the reliability and safety of the device.

[0026] Working principle: by using the temperature sensor component 6 to monitor the temperature change in the battery compartment 4 in real time, when detecting abnormal temperature, the temperature sensor component 6 transmits the signal to the controller component 8 through the main cable component 7, and the controller component 8 immediately activates the control switch 9, and drives the trigger drawer 15 to move in the sliding chamber 14 through the first telescopic rod 17, so that the second guide channel 16 is aligned with the first guide channel 13 at the bottom of the limiting plate 12, so as to quickly release the sol-gel fire extinguishing agent 18 filled in the containing groove 11, so that the sol-gel fire extinguishing agent 18 quickly falls and covers the surface of the lithium battery, so as to avoid the lithium battery from catching fire and exploding. It has the significant advantages of intelligent and rapid response, controllable storage and release of fire extinguishing agent, and high safety, and is widely used in fire protection requiring automatic fire extinguishing. The fire protection scene effectively improves the fire extinguishing efficiency and safety. A first transport channel 19 is added inside the box cover 2. One end of these channels is connected to the containing tank 11, and the other end extends to the outside of the box cover 2. It is equipped with an auxiliary fire extinguishing component, which can continuously replenish the sol-gel fire extinguishing agent 18 into the first transport channel 19. The one-way valve structure 20 is set to ensure the one-way flow of the fire extinguishing agent. At the same time, the first transport channel 19 is filled with inert gas 21 to enhance the fire extinguishing effect and provide additional safety. Then, through the elastic force of the first spring 29, the sealing plate 28 can open the second sealing gap 25 under the pressure of the fire extinguishing agent to allow the fire extinguishing agent to flow out, and automatically close when there is no pressure to prevent the gas or fire extinguishing agent from flowing back, thereby ensuring The fire extinguishing agent is effectively utilized and the device is stably operated, thereby enhancing the reliability and safety of the device. The mounting hole 35, the second transport channel 36, the storage slot 31 and the output pipe 37 are arranged on the top of the auxiliary fire extinguishing box 30, wherein one end of the output pipe 37 is provided with a discharge port 40, and the other end is connected to the transport pipe 42 through a telescopic bellows 41, which is conducive to ensuring the portability of the output pipe 37 and can improve the smoothness and accuracy of the transportation of the fire extinguishing agent. The push block 50 and the output pipe 37 are pushed to move by the third telescopic rod 49, and one end of the output pipe 37 can push open the one-way valve structure 20 at one end of the first transport channel 19, and then through the sealing ring 38, the annular sealing cushion 39, the moving chamber 44, the fixing column 45, the second spring 46 and the connecting column The arrangement of 47 can improve the sealing effect through the sealing ring 38 and the annular sealing cushion 39 when the output pipe 37 outputs. Through the auxiliary fire extinguishing box 30 on the front and back of the battery sub-packaging box 1, a storage groove 31 is provided in the auxiliary fire extinguishing box 30 for installing an auxiliary fire extinguishing storage tank 32. The auxiliary fire extinguishing storage tank 32 is filled with a sol-gel fire extinguishing agent 18, and the output of the sol-gel fire extinguishing agent 18 can be controlled by a piston 34 driven by a second telescopic rod 33, which not only ensures the effective storage of the sol-gel fire extinguishing agent 18, but also realizes the on-demand supply of the sol-gel fire extinguishing agent 18. In addition, the discharge pipe 51, the transport pipe 42 and the first solenoid valve 52 arranged on the top of the auxiliary fire extinguishing storage tank 32 can realize the precise control and release of the sol-gel fire extinguishing agent 18.The feeding pipe 53 is used to add the sol-gel fire extinguishing agent 18 to the storage tank, and a second solenoid valve 54 is installed on it to ensure the safety and controllability of the feeding process, thereby improving the continuous fire extinguishing capability and flexibility of the fire extinguishing device, providing a strong guarantee for fire safety.

[0027] It will be apparent to those skilled in the art that the invention is not limited to the details of the exemplary embodiments described above and that the invention can be implemented in other specific forms without departing from the spirit or essential features of the invention. Therefore, the embodiments should be considered exemplary and non-limiting in all respects, and the scope of the invention is defined by the appended claims rather than the foregoing description, and it is intended that all variations falling within the meaning and scope of the equivalent elements of the claims be included in the invention. Any reference numeral in a claim should not be considered as limiting the claim to which it relates.

Claims

1. A temperature-sensitive self-starting fire extinguishing device for a sol-gel fire extinguishing agent, comprising a battery packing box (1), a box cover (2) and a baffle (3), characterized in that: The top of the battery packaging box (1) is connected to a box cover (2) via bolts, and a plurality of baffles (3) are arranged inside the battery packaging box (1); The battery packing box (1) is provided with a battery compartment (4) and a mounting groove (5) through a baffle (3), and the mounting grooves (5) are evenly and symmetrically opened on both sides of the battery compartment (4); a temperature sensor component (6) is embedded in the inner wall of the battery compartment (4); one end of the temperature sensor component (6) is connected to a main cable component (7) through a cable, and the main cable component (7) is installed inside the mounting groove (5); one end of the main cable component (7) is electrically connected to a controller component (8), and the controller component (8) is fixedly connected to one side of the battery packing box (1); the top of the controller component (8) is movably connected to a control switch (9), and the controller component (8) is electrically connected to the control switch (9), and one end of the control switch (9) is fixedly connected to one side of the box cover (2); The bottom of the box cover (2) is provided with a plurality of containing grooves (11), and the containing grooves (11) are located above the battery compartment (4); the bottom of the inner wall of the containing groove (11) is provided with a limit plate (12); the bottom of the limit plate (12) is provided with a plurality of first guide channels (13); the inner wall of each containing groove (11) is provided with a sliding chamber (14); the inner wall of the sliding chamber (14) is movably connected with a trigger draw plate (15); the bottom of the trigger draw plate (15) is provided with a plurality of second guide channels (16); one end of the trigger draw plate (15) is provided with a group of first telescopic rods (17); the first telescopic rods (17) are electrically connected to the control switch (9) via a cable; and the first telescopic rods (17) are embedded in the inner wall of the sliding chamber (14); the interior of the containing groove (11) is filled with a sol-gel fire extinguishing agent (18).

2. The temperature-sensitive self-starting fire extinguishing device of a sol-gel fire extinguishing agent according to claim 1, characterized in that: A plurality of first transport channels (19) are arranged inside the box cover (2), and one end of the first transport channel (19) penetrates and is connected to the inner wall of the containing tank (11), and the other end of the first transport channel (19) is respectively arranged on the outer wall of the box cover (2). The other end of the first transport channel (19) is movably connected to an auxiliary fire extinguishing component, and the auxiliary fire extinguishing component is used to continuously input the sol-gel fire extinguishing agent (18) into the first transport channel (19). Both ends of the first transport channel (19) are provided with a one-way valve structure (20). The interior of the first transport channel (19) is filled with an inert gas (21), and the inert gas (21) includes one of N2, NH3 or CO2.

3. The temperature-sensitive self-starting fire extinguishing device of a sol-gel fire extinguishing agent according to claim 2 is characterized in that: The one-way valve structure (20) comprises a sleeve (22), wherein the outer wall of the sleeve (22) is fixedly connected to the inner wall of the first transport channel (19), one end of the inner wall of the sleeve (22) is fixedly connected to a sealing circular plate (23), one end of the sealing circular plate (23) is provided with a first sealing notch (24), the other end of the sealing circular plate (23) is provided with a second sealing notch (25), one end of the first sealing notch (24) is connected to the other end of the second sealing notch (25), and the other end of the inner wall of the sleeve (22) is fixedly connected to the sealing circular plate (23). A storage plate (26) is fixedly connected, a limiting rod (27) is connected through the middle of one end of the storage plate (26), a sealing plate (28) is provided at one end of the limiting rod (27), and the outer wall of the sealing plate (28) is movably connected to the inner wall of the second sealing notch (25), the outer wall of the limiting rod (27) is movably connected to a first spring (29), one end of the first spring (29) is movably connected to the other end of the sealing plate (28), and the other end of the first spring (29) is movably connected to one end of the storage plate (26).

4. The temperature-sensitive self-starting fire extinguishing device of a sol-gel fire extinguishing agent according to claim 2, characterized in that: The auxiliary fire extinguishing assembly comprises an auxiliary fire extinguishing box (30), wherein the auxiliary fire extinguishing box (30) is fixedly connected to the front and back sides of the battery packing box (1), and the top of the outer wall of the auxiliary fire extinguishing box (30) is movably connected to the outer wall of the box cover (2), a storage groove (31) is provided on one side of the auxiliary fire extinguishing box (30), an auxiliary fire extinguishing storage tank (32) is provided on the inner wall of the storage groove (31), and the interior of the auxiliary fire extinguishing storage tank (32) is filled with a sol-gel fire extinguishing agent (18), a second telescopic rod (33) is embedded in the inner bottom wall of the auxiliary fire extinguishing storage tank (32), a piston (34) is provided at the output end of the second telescopic rod (33), and the outer wall of the piston (34) is movably connected to the inner wall of the auxiliary fire extinguishing storage tank (32), and a limiting plate (55) is connected to one side of the auxiliary fire extinguishing box (30) by bolts.

5. The temperature-sensitive self-starting fire extinguishing device of a sol-gel fire extinguishing agent according to claim 4, characterized in that: The top of the outer wall of the auxiliary fire extinguishing box (30) is provided with a plurality of mounting holes (35), the inner wall of the mounting hole (35) is provided with a second transport channel (36), and the other end of the second transport channel (36) is arranged through the inner top wall of the storage groove (31), the inner wall of the second transport channel (36) is movably connected to an output pipe (37), the inner wall of the mounting hole (35) is movably connected to a sealing ring (38), one end of the inner wall of the sealing ring (38) is fixedly connected to an annular sealing cushion (39), and the inner layer of the annular sealing cushion (39) is fixedly connected to the outer wall of the output pipe (37), one end of the output pipe (37) is provided with a plurality of discharge ports (40), the other end of the output pipe (37) is fixedly connected to a telescopic bellows (41), and the other end of the telescopic bellows (41) is fixedly connected to a transport pipe (42).

6. The temperature-sensitive self-starting fire extinguishing device of a sol-gel fire extinguishing agent according to claim 5, characterized in that: The inner wall of the sealing ring (38) is provided with a plurality of movable chambers (44), the inner wall of the movable chamber (44) is fixedly connected to a fixed column (45), the outer wall of the fixed column (45) is movably connected to a second spring (46), the outer wall of the fixed column (45) is penetrated by a connecting column (47), and the other end of the connecting column (47) is fixedly connected to the outer wall of the output pipe (37).

7. The temperature-sensitive self-starting fire extinguishing device of a sol-gel fire extinguishing agent according to claim 5, characterized in that: The inner wall of the second transport passage (36) is provided with an installation chamber (48), the inner wall of the installation chamber (48) is engaged with a third telescopic rod (49), the output end of the third telescopic rod (49) is fixedly connected with a push block (50), and the push block (50) is fixedly connected to the outer wall of the output pipe (37).

8. The temperature-sensitive self-starting fire extinguishing device of a sol-gel fire extinguishing agent according to claim 4, characterized in that: A discharge pipe (51) is provided at one end of the top of the auxiliary fire extinguishing storage tank (32), and the top of the discharge pipe (51) is connected to the other end of the transport pipe (42), a first solenoid valve (52) is provided on the outer wall of the discharge pipe (51), a feed pipe (53) is embedded and installed on the top of the outer wall of the auxiliary fire extinguishing storage tank (32), and a second solenoid valve (54) is provided on the inner wall of the feed pipe (53).

9. The method for using the temperature-sensitive self-starting fire extinguishing device of the sol-gel fire extinguishing agent according to claim 7, characterized in that: The working steps of the temperature-sensitive self-starting fire extinguishing device of the sol-gel fire extinguishing agent are as follows: S1. When the temperature in the battery compartment (4) rises abnormally and reaches a preset threshold value of the temperature sensor component (6), the temperature sensor component (6) immediately sends a signal, which is transmitted to the main cable component (7) through a cable and is finally received by the controller component (8). After receiving the signal, the controller component (8) determines whether it is necessary to activate the fire extinguishing mechanism; S2, the controller component (8) determines that the fire extinguishing mechanism needs to be activated, and sends an electrical signal to the first telescopic rod (17) through the cable. After receiving the signal, the first telescopic rod (17) pushes the triggering plate (15) to slide in the sliding chamber (14). The sliding of the triggering plate (15) aligns the second guide channel (16) at the bottom thereof with the first guide channel (13) at the bottom of the limiting plate (12), thereby allowing the sol-gel fire extinguishing agent (18) to flow out of the containing tank (11); S3, after the sol-gel fire extinguishing agent (18) flows out through the first flow guiding channel (13) and the second flow guiding channel (16), it will enter the fire extinguishing area preset in the device and effectively extinguish the fire source in the battery compartment (4); S4, at the same time, the third telescopic rod (49) pushes the push block (50) and the output pipe (37) to move, and pushes open the one-way valve structure (20), and starts the second telescopic rod (33) to push the piston (34) to move in the auxiliary fire extinguishing storage tank (32), so as to extrude the sol-gel fire extinguishing agent (18) into the first transport channel (19) through the second transport channel (36) and the output pipe (37); S5. The inert gas (21) and the sol-gel fire extinguishing agent (18) in the auxiliary fire extinguishing storage tank (32) are transported to the battery compartment (4) through the first transport channel (19) for fire extinguishing.

10. The method for using the temperature-sensitive self-starting fire extinguishing device of the sol-gel fire extinguishing agent according to claim 9, characterized in that: The S4 also includes the following working steps: S41. The expansion and contraction of the expansion bellows (41) can ensure the movement stability of the output pipe (37).

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