Automatic sealing fire extinguishing equipment for fire fighting groove of soft package battery cell

Abstract

The utility model provides automatic sealing fire extinguishing equipment for a soft package battery cell fire fighting groove, which comprises a fire fighting bracket, a fire fighting water groove, a soft package battery cell tray component, a cylinder component, an electromagnetic valve component, a pressure adjusting component, a control box, a fire fighting high-pressure water pipe, a spraying component and a liquid level switch. The spraying assembly is connected with the electromagnetic valve component through the fire-fighting high-pressure water pipe, when the soft package battery cell is tested, the soft package battery cell expands or explodes, a nozzle on the spraying assembly can automatically extinguish fire, fire spreading and further explosion are avoided, the use safety is high, a fire source battery is rapidly extinguished after a factory battery is on fire, and the safety of the factory battery is improved. Meanwhile, fire extinguishing is safe and reliable, and the environment is not affected.

Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of soft package lithium battery cell production research and development technical field, especially a kind of soft package battery cell fire tank automatic sealing fire extinguishing equipment. BACKGROUND

[0002] With the gradual development of new energy technology, the demand for lithium batteries also increases rapidly, and the production quality and use safety of lithium batteries are also more concerned, so in the process of soft package lithium battery cell production research and development;Soft package lithium battery is an important part of new energy technology, and provides energy and power for the storage of new energy vehicles, and soft package lithium battery is favored by many host factories due to its high energy density, but due to the risk of thermal runaway of soft package battery itself, its application has been greatly hindered;When a single soft package battery thermal runaway, it is easy to cause the flame to trigger the adjacent battery, so how to solve this problem and suppress the triggering of the adjacent battery caused by single battery thermal runaway has become the focus.

[0003] Chinese patent CN111097115B discloses a spraying system of a battery pack, comprising: a spraying pipeline for spraying liquid flow, when thermal runaway occurs, the hot flow is discharged from the explosion-proof valve of the battery pack, and the spraying pipeline can form an opening under the action of heat; a liquid storage device, the liquid storage device has two liquid outlets, the two liquid outlets are located at the two ends of the liquid storage device along the axial direction and are connected with the two ends of the spraying pipeline respectively to form a closed loop of spraying liquid; a driving device, the driving device is arranged in the inner cavity of the liquid storage device and comprises an elastic component, a driving component and a limiting component, the elastic component is connected with the driving component, the driving component comprises two driving plates distributed along the axial direction, the two driving plates are connected with the two ends of the elastic component respectively, and the two driving plates can move towards the corresponding liquid outlet respectively; wherein, under the action of the elastic force of the elastic component, the driving component can drive the spraying liquid in the liquid storage device to enter the spraying pipeline; the limiting component has a first working state and a second working state, in the first working state, the limiting component acts on the driving plate to limit the distance between the two driving plates, so that the elastic component is in a compressed state, in the second working state, the limiting component does not act on the driving plate, and under the action of the elastic force of the elastic component, the distance between the two driving plates increases, so that when thermal runaway occurs in the unit battery, the hot flow is discharged from the explosion-proof valve thereof, under the action of the hot flow, the spraying pipeline can form an opening at the explosion-proof valve, so that the spraying liquid in the spraying pipeline is discharged from the opening, and the effect of preventing the diffusion of hot flow heat is achieved. At the same time, after the spraying liquid in the spraying pipeline is discharged from the opening, under the action of the driving device, the spraying liquid in the liquid storage device can enter the spraying pipeline and be discharged from the opening of the spraying pipeline, further achieving the effect of preventing the diffusion of hot flow.

[0004] CN220025946U discloses a battery pack in soft package battery cell module zero thermal runaway fire extinguishing system, characterized in that it comprises at least one soft package battery cell module, which comprises a tab provided on the first side and the second side opposite to the first side of the soft package battery cell module, a plurality of filling holes provided on the upper surface of the soft package battery cell module, a temperature sensing wire harness fixed above the tab, the temperature sensing wire harness comprising a temperature sensing wire harness body for sensing the temperature of the soft package battery cell module, a wire harness clip for fixing the temperature sensing wire harness body and a signal transmission wire harness for transmitting the sensed temperature signal, the signal transmission wire harness being connected to the temperature sensing wire harness body, a fire extinguishing liquid delivery water pump comprising an interface end connected to the signal transmission wire harness, and a fire extinguishing liquid delivery pipeline connected to the fire extinguishing liquid delivery water pump, the fire extinguishing liquid delivery pipeline comprising a connecting pipeline detachably connected to the fire extinguishing liquid delivery water pump, a main pipeline connected to the connecting pipeline, and a plurality of nylon flat tubes connected to the main pipeline and located above the filling holes. SUMMARY

[0005] The utility model discloses a novel soft package battery cell fire-fighting tank automatic sealing fire extinguishing equipment which solves the above technical problems, has simple structure and reasonable design, and is connected with the electromagnetic valve part through the fire-fighting high-pressure water pipe and the spraying assembly when testing the soft package battery cell, the nozzle on the spraying assembly can automatically extinguish the fire when the soft package battery cell expands or explodes, the spread of fire and further explosion are avoided, the safety in use is high, the fire source battery after the factory battery is ignited can be quickly extinguished, the fire extinguishing is safe and reliable, and the environment is not polluted and affected.

[0006] The utility model is realized through the following technical schemes:

[0007] The utility model provides a kind of soft package battery cell fire-fighting tank automatic sealing fire extinguishing equipment, including fire-fighting support, fire-fighting water tank, soft package battery cell tray assembly, cylinder assembly, solenoid valve component, pressure regulating component, control box, fire-fighting high-pressure water pipe, spray assembly, liquid level switch, the control box is equipped with a plurality of solenoid valve components in the left side of upper portion of fire-fighting support, the control box is equipped with pressure regulating component in one side, the fire-fighting support bottom is equipped with fire-fighting water tank, the fire-fighting water tank is equipped with soft package battery cell tray assembly above, the soft package battery cell tray assembly is equipped with spray assembly above, the spray assembly is equipped with liquid level switch in one side, the fire-fighting high-pressure water pipe one end is inserted in the fire-fighting water tank, the fire-fighting high-pressure water pipe other end is connected with the spray assembly, and extends to warehouse top, the liquid level switch is connected with the pressure regulating component by liquid level pipe, the solenoid valve component is connected with the spray assembly by gas pipe, the soft package battery cell tray assembly top is equipped with cylinder assembly, the cylinder assembly is connected with the solenoid valve component by gas pipe, and the control box is electrically connected with the cylinder assembly, solenoid valve component, pressure regulating component, liquid level switch.

[0008] Further, the soft package battery cell tray assembly includes a soft package battery cell tray, an upper cover plate, a connecting rod, a guide block, a soft package battery cell module, a bottom plate, and a tray fixing plate. The soft package battery cell tray bottom is equipped with a bottom plate on both sides. The bottom plate is fixedly connected to the soft package battery cell tray bottom through the guide block. One end of the connecting rod is fixedly connected to the bottom plate. The other end of the connecting rod is fixedly connected to the upper cover plate. The soft package battery cell tray is internally equipped with a plurality of soft package battery cell modules. The tray fixing plate seamlessly docks and clamps the soft package battery cell modules on the top of the soft package battery cell tray. The upper cover plate bottom is equipped with a spray assembly. After the soft package battery cell tray is placed in the fire-fighting water tank, the cylinder on the cylinder assembly drives the upper cover plate to compact the entire fire-fighting water tank to form a sealed tray. The spray nozzle on the spray assembly is aligned with the soft package battery cell module inside the soft package battery cell tray. The spray nozzle on the spray assembly is then opened by the solenoid valve to extinguish the fire.

[0009] As further, the cylinder assembly comprises a cylinder fixing plate, a cylinder guide rod, a cylinder guide bearing, a cylinder, a cylinder adapter plate, a cylinder connecting block, a cylinder joint, and a cylinder top plate. The cylinder fixing plate is provided with cylinder guide rods around. One end of the cylinder guide rod penetrates through the cylinder fixing plate and is connected with the cylinder adapter plate. The cylinder fixing plate is fixed on the upper part of the fire-fighting support through the cylinder guide bearing. The other end of the cylinder guide rod is provided with a cylinder top plate on the top. The cylinder output shaft penetrates through the middle part of the cylinder fixing plate and is connected with the middle part of the cylinder adapter plate. The cylinder output shaft is fixed on the middle part of the cylinder adapter plate through the cylinder connecting block. The upper part or lower part of the cylinder is provided with a cylinder joint. The cylinder joint is connected with the electromagnetic valve component through a gas pipe. The cylinder adapter plate is connected with the upper cover plate. The cylinder drives the upper cover plate to move downward. The upper cover plate compacts the entire fire-fighting water tank to form a closed tray. The nozzles on the spraying assembly are aligned with the soft package battery module inside the soft package battery tray. The nozzles are opened by the electromagnetic valve to control the fire extinguishing.

[0010] As further, the spraying assembly comprises a spraying pipe and nozzles. The spraying pipe is installed on the bottom of the upper cover plate. The other end of the fire-fighting high-pressure water pipe is connected with the spraying pipe. The spraying pipe is provided with a plurality of nozzles. The nozzles are aligned with the soft package battery module inside the soft package battery tray. The nozzles are opened by the electromagnetic valve to control the fire extinguishing.

[0011] As further, the fire-fighting water tank comprises a fire-fighting water tank mounting frame, a fire-fighting water tank body, a foot cup caster, and a fire-fighting water tank handle. The fire-fighting water tank body is arranged on the fire-fighting water tank mounting frame. The fire-fighting water tank mounting frame is provided with a foot cup caster around. The fire-fighting water tank mounting frame is provided with a fire-fighting water tank handle on one side.

[0012] As further, the fire-fighting support is provided with a foot cup around the bottom. The fire-fighting support is provided with a limiting block on both sides of the bottom.

[0013] As further, the fire-fighting support is provided with a rope on both ends of the middle part. The soft package battery tray assembly is fixed on both ends of the middle part of the fire-fighting support through the rope. The rope can prevent the soft package battery tray assembly from falling.

[0014] As further, the upper cover plate is provided with a pressure relief valve on the top.

[0015] As further, the fire-fighting high-pressure water pipe is provided with a fire-fighting valve between the fire-fighting high-pressure water pipe and the fire-fighting water pipe.

[0016] As further, the control box is provided with an indicator lamp on the top. The indicator lamp is electrically connected with the control box.

[0017] The utility model discloses an advantage lies in: simple structure, reasonable in design, through the spraying subassembly is connected with solenoid valve part through fire high -pressure water pipe, when testing soft package electric core, soft package electric core expands or explodes, and the nozzle on the spraying subassembly can carry out automatic fire extinguishing, avoids the spread of fire and further explosion, and the use safety is high, realizes the factory battery after the fire fast extinguishing fire source battery, and the fire extinguishing is safe and reliable, and the environment is not polluted and is not influenced, and the space is small, and the cost is low. BRIEF DESCRIPTION OF DRAWINGS

[0018] Fig. 1 It is the automatic sealing fire extinguishing equipment structure schematic view of soft package electric core fire fighting tank of the utility model;

[0019] Fig. 2 It is the explosion structure schematic view of soft package electric core fire fighting tank automatic sealing fire extinguishing equipment of the utility model;

[0020] Fig. 3 It is soft package electric core tray subassembly and cylinder subassembly structure schematic view of the utility model;

[0021] Fig. 4 It is soft package electric core tray subassembly and cylinder subassembly explosion structure schematic view of the utility model;

[0022] Fig. 5 It is fire fighting water tank structure schematic view of the utility model;

[0023] Fig. 6 It is fire fighting water tank explosion structure schematic view of the utility model;

[0024] Sign significance: 1, fire fighting support;101, foot cup;102, limit block;103, cable;2, fire fighting water tank;21, fire fighting water tank mounting frame;22, fire fighting water tank body;23, foot cup trundle;24, fire fighting water tank handle;3, soft package electric core tray subassembly;31, soft package electric core tray;32, upper cover plate;320, pressure relief valve;33, connecting rod;34, guide block;35, soft package electric core module;36, bottom plate supporting plate;37, tray fixed plate;4, cylinder subassembly;41, cylinder fixed plate;42, cylinder guide rod;43, cylinder guide bearing;44, cylinder;45, cylinder adapter plate;46, cylinder connecting block;47, cylinder joint;48, cylinder top plate;5, solenoid valve part;6, pressure regulating part;7, control box;71, pilot lamp;8, fire high -pressure water pipe;9, spraying subassembly;91, spraying pipe;92, nozzle;10, liquid level switch;11, fire fighting water pipe;12, fire fighting valve. DETAILED DESCRIPTION

[0025] The utility model will be further described in connection with the drawings and specific implementation:

[0026] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs; the terminology used herein in the specification of the application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application; the terms "comprising" and "having," and any variations thereof, in the specification, claims, and foregoing drawings of this application are intended to cover non-exclusive inclusion. The terms "first," "second," etc., in the specification, claims, or foregoing drawings of this application are used to distinguish different objects, not to describe a particular order.

[0027] In this document, the term "embodiment" means that a particular feature, structure, or characteristic described in connection with an embodiment may be included in at least one embodiment of this application. The appearance of this phrase in various places throughout the specification does not necessarily refer to the same embodiment, nor is it a separate or alternative embodiment mutually exclusive with other embodiments. It will be explicitly and implicitly understood by those skilled in the art that the embodiments described herein can be combined with other embodiments.

[0028] For reference Figs. 1-2 As shown, an automatic sealing fire extinguishing device for a flexible battery cell fire trough includes a fire support 1, a fire water tank 2, a flexible battery cell tray assembly 3, a cylinder assembly 4, a solenoid valve assembly 5, a pressure regulating component 6, a control box 7, a high-pressure fire hose 8, a sprinkler assembly 9, and a level switch 10. The control box 7 is located on the upper left side of the fire support 1. Several solenoid valve assemblies 5 are located at the rear end of the control box 7. A pressure regulating component 6 is located on one side of the control box 7. The fire water tank 2 is located at the bottom of the fire support 1. The flexible battery cell tray assembly 3 is located above the fire water tank 2. The sprinkler assembly 9 is located above the flexible battery cell tray assembly 3. A level switch 10 is provided on one side of the sprinkler assembly 9. One end of the fire high-pressure water pipe 8 is inserted into the fire water tank 2, and the other end of the fire high-pressure water pipe 8 is connected to the sprinkler assembly 9 and extends to the top of the warehouse. The level switch 10 is connected to the pressure regulating component 6 through a level pipe. The solenoid valve component 5 is connected to the sprinkler assembly 9 through an air pipe. A cylinder assembly 4 is provided on the top of the soft-pack battery tray assembly 3. The cylinder assembly 4 is connected to the solenoid valve component 5 through an air pipe. The control box 7 is electrically connected to the cylinder assembly 4, the solenoid valve component 5, the pressure regulating component 6, and the level switch 10.

[0029] For reference Figs. 3-4As shown, the soft package battery cell tray assembly 3 includes a soft package battery cell tray 31, an upper cover plate 32, a connecting rod 33, a guide block 34, a soft package battery cell module 35, a bottom plate support plate 36, a tray fixing plate 37, the bottom plate support plate 36 is arranged on both sides of the bottom of the soft package battery cell tray 31, the bottom plate support plate 36 is fixedly connected with the bottom of the soft package battery cell tray 31 through the guide block 34, one end of the connecting rod 33 is fixedly connected with the bottom plate support plate 36, the other end of the connecting rod 33 is fixedly connected with the upper cover plate 32, the soft package battery cell tray 31 is internally provided with a plurality of groups of soft package battery cell modules 35, the tray fixing plate 37 seamlessly docks and clamps the soft package battery cell modules 35 on the top of the soft package battery cell tray 31, the upper cover plate 32 is provided with a spraying assembly 9 at the bottom, after the soft package battery cell tray 31 is placed into the fire-fighting water tank 2, the cylinder 44 on the cylinder assembly 4 drives the upper cover plate 32 to compact the entire fire-fighting water tank 2 to form a sealed tray, the nozzles 92 on the spraying assembly 9 are aligned with the soft package battery cell modules 35 inside the soft package battery cell tray 31, and then the nozzles 92 on the spraying assembly 9 are opened and controlled by the electromagnetic valve component 5 to perform fire extinguishing.

[0030] As preferably, the cylinder assembly 4 includes a cylinder fixing plate 41, a cylinder guide rod 42, a cylinder guide bearing 43, a cylinder 44, a cylinder adapter plate 45, a cylinder connecting block 46, a cylinder joint 47, and a cylinder top plate 48, the cylinder fixing plate 41 is provided with the cylinder guide rod 42 around, one end of the cylinder guide rod 42 penetrates through the cylinder fixing plate 41 and is connected with the cylinder adapter plate 45, the cylinder fixing plate 41 is fixedly connected with the upper part of the fire-fighting support 1 through the cylinder guide bearing 43, the other end of the cylinder guide rod 42 is provided with the cylinder top plate 48 at the top, the output shaft of the cylinder 44 penetrates through the middle part of the cylinder fixing plate 41 and is connected with the middle part of the cylinder adapter plate 45, and is fixedly connected with the middle part of the cylinder adapter plate 45 through the cylinder connecting block 46, the cylinder 44 is provided with the cylinder joint 47 at the upper part or the lower part, the cylinder joint 47 is connected with the electromagnetic valve component 5 through the air pipe, the cylinder adapter plate 45 is connected with the upper cover plate 32, the cylinder 44 drives the upper cover plate 32, the upper cover plate 32 drives the spraying assembly 9 and the liquid level switch 10 to move downward, the upper cover plate 32 compacts the entire fire-fighting water tank 2 to form a sealed tray, the nozzles 92 on the spraying assembly 9 are aligned with the soft package battery cell modules 35 inside the soft package battery cell tray 31, and then the nozzles 92 on the spraying assembly 9 are opened and controlled by the electromagnetic valve component 5 to perform fire extinguishing.

[0031] As preferably, the spraying assembly 9 includes a spraying pipe 91 and a nozzle 92, the spraying pipe 91 is installed at the bottom of the upper cover plate 32, the other end of the fire-fighting high-pressure water pipe 8 is connected with the spraying pipe 91, the spraying pipe 91 is provided with a plurality of nozzles 92, the nozzles 92 are aligned with the soft package battery cell modules 35 inside the soft package battery cell tray 31, and then the nozzles 92 are opened and controlled by the electromagnetic valve component 5 to perform fire extinguishing.

[0032] As shown in Figs. 5-6 The fire-fighting water tank 2 comprises a fire-fighting water tank mounting frame 21, a fire-fighting water tank body 22, a foot cup caster 23, and a fire-fighting water tank handle 24, the fire-fighting water tank body 22 is arranged on the fire-fighting water tank mounting frame 21, the fire-fighting water tank mounting frame 21 is provided with the foot cup caster 23 around, and the fire-fighting water tank handle 24 is arranged on one side of the fire-fighting water tank mounting frame 21.

[0033] Preferably, the fire-fighting support 1 is provided with a foot cup 101 around the bottom, and a limiting block 102 is arranged on both sides of the bottom of the fire-fighting support 1.

[0034] Preferably, the fire-fighting support 1 is provided with a rope 103 at both ends of the middle part, the soft-pack battery tray assembly 31 is fixed at both ends of the middle part of the fire-fighting support 1 through the rope 103, and the rope 103 can prevent the soft-pack battery tray assembly 31 from falling.

[0035] Preferably, the upper cover plate 32 is provided with a pressure relief valve 320 on the top.

[0036] Preferably, the fire-fighting high-pressure water pipe 8 is provided with a fire-fighting valve 12 between the fire-fighting water pipe 11.

[0037] Preferably, the control box 7 is provided with an indicating lamp 71 on the top, and the indicating lamp 71 is electrically connected with the control box 7.

[0038] In summary, the soft-pack battery fire-fighting tank automatic sealing fire extinguishing equipment is connected with the electromagnetic valve component through the fire-fighting high-pressure water pipe and the spraying assembly, when the soft-pack battery is tested, the spraying assembly can automatically extinguish the fire through the nozzle on the spraying assembly, so as to avoid the spread of the fire and further explosion, and the use safety is high, the fire source battery can be quickly extinguished after the factory battery is on fire, the fire extinguishing is safe and reliable, has no pollution and no influence on the environment, occupies small space, and has low cost.

[0039] According to the disclosure and teaching of the above description, those skilled in the art of the present application can also make appropriate changes and modifications to the above embodiments. Therefore, the present application is not limited to the specific embodiments disclosed and described above, and some modifications and changes of the present application should fall within the protection scope of the claims of the present application. In addition, although some specific terms are used in the specification, these terms are only for convenience of description and do not constitute any limitation on the present application.

Claims

1. An automatic sealing fire extinguishing device for a flexible battery cell fire trough, characterized in that: The system includes a fire-fighting support, a fire-fighting water tank, a flexible battery cell tray assembly, a cylinder assembly, a solenoid valve component, a pressure regulating component, a control box, a high-pressure fire hose, a sprinkler assembly, and a level switch. The control box is located on the upper left side of the fire-fighting support. Several solenoid valve components are located at the rear of the control box. A pressure regulating component is located on one side of the control box. A fire-fighting water tank is located at the bottom of the fire-fighting support. A flexible battery cell tray assembly is located above the fire-fighting water tank. A sprinkler assembly is located above the flexible battery cell tray assembly. A level switch is located on one side of the sprinkler assembly. One end of the high-pressure fire hose is inserted into the fire-fighting water tank, and the other end is connected to the sprinkler assembly and extends to the top of the storage area. The level switch is connected to the pressure regulating component via a level pipe. The solenoid valve component is connected to the sprinkler assembly via an air pipe. A cylinder assembly is located on top of the flexible battery cell tray assembly. The cylinder assembly is connected to the solenoid valve component via an air pipe. The control box is electrically connected to the cylinder assembly, solenoid valve component, pressure regulating component, and level switch.

2. The automatic sealing fire extinguishing device for soft-pack battery cell fire troughs according to claim 1, characterized in that: The flexible battery cell tray assembly includes a flexible battery cell tray, a top cover, a connecting rod, a guide block, flexible battery cell modules, a bottom support plate, and a tray fixing plate. The bottom support plate is located on both sides of the bottom of the flexible battery cell tray. The bottom support plate is fixedly connected to the bottom of the flexible battery cell tray via the guide block. One end of the connecting rod is fixedly connected to the bottom support plate, and the other end is fixedly connected to the top cover plate. Several sets of flexible battery cell modules are located inside the flexible battery cell tray. The tray fixing plate seamlessly connects and fastens the flexible battery cell modules to the top of the flexible battery cell tray. A sprinkler assembly is located at the bottom of the top cover plate. After the flexible battery cell tray is placed in the fire water tank, the cylinder on the cylinder assembly drives the top cover plate to compact the entire fire water tank, forming a sealed tray. The nozzles on the sprinkler assembly are aimed at the flexible battery cell modules inside the flexible battery cell tray, and the nozzles on the sprinkler assembly are opened by a solenoid valve to extinguish the fire.

3. The automatic sealing fire extinguishing device for soft-pack battery cell fire troughs according to claim 2, characterized in that: The cylinder assembly includes a cylinder mounting plate, cylinder guide rods, cylinder guide bearings, a cylinder, a cylinder adapter plate, a cylinder connecting block, a cylinder connector, and a cylinder top plate. Cylinder guide rods are arranged around the cylinder mounting plate. One end of each cylinder guide rod passes through the cylinder mounting plate and connects to the cylinder adapter plate. The cylinder mounting plate is fixed to the upper part of the fire-fighting support via the cylinder guide bearings. A cylinder top plate is located at the top of the other end of each cylinder guide rod. The cylinder output shaft passes through the middle of the cylinder mounting plate and connects to the middle of the cylinder adapter plate. The cylinder is fixed in the middle of the cylinder adapter plate by a cylinder connecting block. The cylinder is provided with a cylinder connector at the upper or lower part. The cylinder connector is connected to the solenoid valve component through an air pipe. The cylinder adapter plate is connected to the upper cover plate. The cylinder drives the upper cover plate, and the upper cover plate drives the sprinkler assembly and liquid level switch to move downward. The upper cover plate compacts the entire fire water tank to form a sealed tray. The nozzles on the sprinkler assembly are aimed at the soft-pack battery module inside the soft-pack battery tray. Then, the nozzles on the sprinkler assembly are opened by controlling the solenoid valve to extinguish the fire.

4. The automatic sealing fire extinguishing device for soft-pack battery cell fire troughs according to claim 3, characterized in that: The spray assembly includes a spray pipe and nozzles. The spray pipe is installed at the bottom of the upper cover plate. The other end of the fire high-pressure water pipe is connected to the spray pipe. The spray pipe is equipped with several nozzles. The nozzles are aimed at the soft-pack battery module inside the soft-pack battery tray. The nozzles are then opened by a solenoid valve to extinguish the fire.

5. The automatic sealing fire extinguishing device for soft-pack battery cell fire troughs according to claim 1, characterized in that: The fire water tank includes a fire water tank mounting bracket, a fire water tank body, foot cups and casters, and a fire water tank handle. The fire water tank body is mounted on the fire water tank mounting bracket, foot cups and casters are provided around the fire water tank mounting bracket, and a fire water tank handle is provided on one side of the fire water tank mounting bracket.

6. The automatic sealing fire extinguishing device for soft-pack battery cell fire troughs according to claim 1, characterized in that: The fire-fighting bracket is equipped with foot cups around its bottom and limit blocks on both sides of its bottom.

7. The automatic sealing fire extinguishing device for soft-pack battery cell fire troughs according to claim 1, characterized in that: The fire-fighting support is equipped with ropes at both ends in the middle. The soft-pack battery cell tray assembly is fixed to both ends in the middle of the fire-fighting support by the ropes, which can prevent the soft-pack battery cell tray assembly from falling.

8. The automatic sealing fire extinguishing device for soft-pack battery cell fire troughs according to claim 2, characterized in that: The top of the upper cover plate is equipped with a pressure relief valve.

9. The automatic sealing fire extinguishing device for soft-pack battery cell fire troughs according to claim 1, characterized in that: A fire valve is installed between the high-pressure fire water pipe and the fire water pipe.

10. The automatic sealing fire extinguishing device for soft-pack battery cell fire troughs according to claim 1, characterized in that: The control box is equipped with an indicator light on its top, and the indicator light is electrically connected to the control box.

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