New energy vehicle multi-space shared fire intelligent coverage fire extinguishing system

Abstract

The utility model discloses a new energy automobile multi -parking stall shared fire intelligent covering fire extinguishing system, include: sliding piece, sliding piece includes sliding support spare and first power spare, covering fire extinguishing spare, covering fire extinguishing spare includes fire extinguishing covering spare and covering wrapping spare, fire extinguishing covering spare sets up on the sliding support spare, is driven to slide to the new energy automobile of thermal runaway is located this parking stall rear, will fire blanket cover on the new energy automobile of thermal runaway, covering wrapping spare sets up on the sliding support spare, to the fire blanket both sides edge that covers on the new energy automobile of thermal runaway is pressed down and is wrapped in the new energy automobile of thermal runaway outside, spray fire extinguishing smoke exhaust spare, spray fire extinguishing smoke exhaust spare includes bottom spray spare and smoke exhaust spare, fire intelligent detection spare, the utility model discloses structural design is reasonable, the degree of automation is high, the efficiency of fire control and fire extinguishing is high, the use rate is high, can carry out covering fire extinguishing operation to the new energy automobile of thermal runaway of any one parking stall in multiple parking stall, has reduced the cost of sharing significantly.

Description

Technical Field

[0001] This utility model relates to the field of intelligent fire protection equipment technology, and more specifically, to an intelligent fire extinguishing system for shared fires involving multiple parking spaces in new energy vehicles. Background Technology

[0002] With the popularization of new energy vehicles, fire accidents caused by thermal runaway of lithium-ion power batteries are gradually increasing. Especially in enclosed environments such as parking lots, lithium-ion battery fires develop rapidly, easily spread to adjacent vehicles, and can cause the fire to reignite, making them difficult to extinguish. At the same time, a large amount of toxic gases (such as hydrofluoric acid) are released, posing a threat to human health and environmental safety.

[0003] Currently, fire extinguishing methods for fires in new energy vehicle parking lots mainly include traditional automatic sprinkler systems, foam extinguishing systems, gas extinguishing systems, mobile fire extinguishing equipment, and fixed covering fire extinguishing equipment. Traditional sprinkler systems are difficult to directly spray onto the power batteries located under the vehicle chassis, making it ineffective in cooling and extinguishing the fire. Foam extinguishing systems, while capable of isolating oxygen, cannot penetrate the battery's interior, resulting in uneven effectiveness. Gas extinguishing systems extinguish fires by diluting oxygen concentration, but are ineffective against lithium battery fires and increase system complexity. Mobile fire extinguishing equipment relies on manual operation, has a slow response time, and is difficult to effectively extinguish the fire. While fixed covering fire extinguishing equipment can cover and extinguish thermal runaway fires in parking spaces, each unit can only be installed in one parking space, limiting its coverage to adjacent spaces, significantly reducing equipment utilization and increasing operating costs.

[0004] Therefore, designing a smart fire suppression system for shared fire coverage in multiple parking spaces of new energy vehicles is of significant practical value. Utility Model Content

[0005] To overcome the above-mentioned defects, this utility model provides a smart fire suppression system for shared fires in multiple parking spaces of new energy vehicles, specifically adopting the following technical solution: A smart fire suppression system for shared fire coverage in multiple parking spaces of new energy vehicles includes: A sliding member is disposed on the parking line behind the parking space. The sliding member includes a sliding support member and a first power member. The sliding support member is disposed on the parking line behind the parking space. The first power member is disposed on the sliding support member and provides power for the sliding support member to slide behind multiple parking spaces. A fire extinguishing blanket is mounted on the sliding support and moves with it. The fire extinguishing blanket includes a fire extinguishing cover and a covering wrap. The fire extinguishing cover is mounted on the sliding support and is moved to the back of the parking space where the thermally runaway new energy vehicle is located, so as to cover the thermally runaway new energy vehicle. The covering wrap is mounted on the sliding support and presses down on both sides of the fire extinguishing blanket covering the thermally runaway new energy vehicle to wrap it around the outside of the thermally runaway new energy vehicle. A fire-extinguishing and smoke-exhausting spray device is installed on the fire-extinguishing cover. The fire-extinguishing and smoke-exhausting spray device includes a bottom spray device and a smoke exhaust device. The bottom spray device is installed on the fire-extinguishing cover and automatically extends to spray below the new energy vehicle. The smoke exhaust device is installed on the fire-extinguishing cover and exhausts smoke outward from the covered new energy vehicle. A smart fire detector is installed above the parking space. The smart fire detector includes a fire detector and a smart fire safety service cloud platform. The fire detector is installed above the parking space to detect thermal runaway fire signals of the new energy vehicle. The smart fire safety service cloud platform is located in a remote data center to receive fire signals wirelessly transmitted by the fire detector.

[0006] Preferably, the fire extinguishing cover includes a covering support and a fire blanket unfolding component. The covering support is disposed on the sliding support and drives the connected fire blanket unfolding component to cover the thermally runaway new energy vehicle with the fire blanket. The fire blanket unfolding component is disposed on the covering support and unfolds the fire blanket.

[0007] Preferably, the covering support includes a first transmission component and a second power component. The first transmission component is disposed on the sliding support to provide support and covering transmission for the connected fire blanket unfolding component, and the second power component is disposed on the sliding support to provide power to the connected first transmission component.

[0008] Preferably, the first transmission component includes a transmission shaft and a second support base. The transmission shaft is rotatably mounted on the first support base of the sliding support component, and the transmission component is connected to the second power component. The first support base is driven by the first power component to slide along the parking space line behind the plurality of parking spaces. The second support base is mounted on the transmission shaft and moves accordingly to provide support for the fire blanket deployment component.

[0009] Preferably, the fire blanket unfolding component includes a blanket storage box, an unfolding arm, and an unfolding rod. The bottom port of the blanket storage box is located on the top surface of the first support base. The fire blanket is folded and stored inside the blanket storage box, and the bottom edge of the fire blanket is connected to the overhead plate in the blanket storage box. The unfolding arm is mounted on the first transmission component and moves accordingly. The unfolding arm pulls the top edge of the fire blanket upward from the blanket storage box and unfolds it through the connected unfolding rod.

[0010] Preferably, the unfolding arm includes a second transmission component and a third power component. The bottom ends of the second transmission component and the third power component are both disposed on the first transmission component, and the third power component is connected to the second transmission component to drive the second transmission component to extend, thereby pulling the top edge of the fire blanket upward from the blanket storage box through the connected unfolding rod.

[0011] Preferably, the covering includes a pressure rope, a third transmission component, and a fourth power component. The pressure rope is disposed on the fire blanket, and the third transmission component and the fourth power component are both disposed on the sliding support component. The fourth power component drives the third transmission component to wind the pressure rope, so as to press down and tighten the side of the fire blanket to wrap around the side of the new energy vehicle.

[0012] Preferably, one end of the pressure rope slides down through the fire blanket and is connected to the other side of the bottom surface of the unfolding rod. The other end of the pressure rope extends along the upper surface of the fire blanket to the bottom of the fire blanket. Then, the other end of the pressure rope slides down through the fire blanket and is wound and connected to the third transmission component.

[0013] Preferably, the third transmission component includes a guide wheel and a winding component. The guide wheel is circumferentially rotated and axially locked on the transmission shaft. The winding component is connected to the fourth power component on the first support seat. The other end of the pressure rope is guided by the guide wheel and then connected to the winding component.

[0014] Preferably, the bottom spray component includes a telescopic spray pipe and a spray relay component. The bottom end of the telescopic spray pipe is horizontally installed on the storage box. After the spray relay component is injected with a predetermined pressure of extinguishing agent, it automatically extends to the bottom of the power battery of the new energy vehicle and sprays the power battery upwards to cool and extinguish the fire through the spray holes on the side wall of the telescopic spray pipe.

[0015] This utility model has at least the following beneficial effects: 1) The intelligent fire suppression system for shared fires in multiple parking spaces of new energy vehicles has a reasonable structural design, a high degree of automation, high fire control and suppression efficiency, and high utilization rate. It can carry out fire suppression operations for thermal runaway new energy vehicles in any one of the multiple parking spaces, which significantly reduces the shared cost. 2) The intelligent fire suppression system for shared parking spaces of new energy vehicles of this utility model is equipped with a sliding component. The sliding component is set on the parking line behind multiple parking spaces. It can automatically slide the covering fire suppression component and the spray fire suppression and smoke exhaust component to the rear of the parking space (any one of the multiple parking spaces) according to the thermal runaway of the new energy vehicle in a certain parking space detected by the fire intelligent detection component. This allows for covering fire suppression, bottom water spraying fire suppression and smoke exhaust operations for the new energy vehicle in thermal runaway in the parking space. This significantly improves the efficiency and utilization rate of covering fire suppression for new energy vehicles with thermal runaway and significantly reduces the usage cost for shared car owners.

[0016] Other advantages, objectives and features of this invention will be partly apparent from the following description, and partly understood by those skilled in the art through study and practice of this invention. Attached Figure Description

[0017] Figure 1 This is the main view of the intelligent fire suppression system for shared fire extinguishing in multiple parking spaces of new energy vehicles according to this utility model. Figure 2 This utility model relates to a smart fire suppression system for shared fire extinguishing in multiple parking spaces of new energy vehicles. Figure 1 A magnified view of part A in the image; Figure 3 This is the front view of the intelligent fire suppression system for shared fire extinguishing in multiple parking spaces of new energy vehicles according to this utility model. Figure 4 This utility model relates to a smart fire suppression system for shared fire extinguishing in multiple parking spaces of new energy vehicles. Figure 3 A magnified view of part B in the image; Figure 5 This is a top view of the intelligent fire suppression system for shared fire extinguishing in multiple parking spaces of new energy vehicles, according to this utility model. Figure 6 This is a schematic diagram of the front three-dimensional structure of the intelligent fire suppression system for shared fire spaces in new energy vehicles of this utility model; Figure 7 This utility model relates to a smart fire suppression system for shared fire extinguishing in multiple parking spaces of new energy vehicles. Figure 6 A magnified view of part C; Figure 8 This is a three-dimensional structural diagram of the rear side of the intelligent fire suppression system for shared fire spaces in new energy vehicles, which is based on the present invention. Figure 9 This utility model relates to a smart fire suppression system for shared fire extinguishing in multiple parking spaces of new energy vehicles. Figure 3 Schematic diagram of the three-dimensional structure in the DD direction; Figure 10 This utility model relates to a smart fire suppression system for shared fire extinguishing in multiple parking spaces of new energy vehicles. Figure 9 A magnified view of part of F; Figure 11 This utility model relates to a smart fire suppression system for shared fire extinguishing in multiple parking spaces of new energy vehicles. Figure 3 Schematic diagram of the three-dimensional structure in the EE direction; Figure 12 This utility model relates to a smart fire suppression system for shared fire extinguishing in multiple parking spaces of new energy vehicles. Figure 11 A magnified view of a portion of G; Figure 13 This utility model relates to a smart fire suppression system for shared fire extinguishing in multiple parking spaces of new energy vehicles. Figure 12 A magnified view of part of H; Figure 14 This utility model relates to a smart fire suppression system for shared fire extinguishing in multiple parking spaces of new energy vehicles. Figure 12 A magnified view of part I; Figure 15 This is a three-dimensional structural diagram of the fifth sprinkler pipe in the intelligent fire suppression system for shared fires in multiple parking spaces of new energy vehicles, as described in this utility model. Figure 16 This is a three-dimensional longitudinal cross-sectional view of the fifth sprinkler pipe in the intelligent fire suppression system for shared fires in multiple parking spaces of new energy vehicles, as described in this utility model.

[0018] Wherein: 1-Parking line, 2-Slide groove, 3-Slider, 4-First support seat, 5-First motor, 6-Rack, 7-Drive shaft, 8-Second support seat, 9-Third support seat, 10-Second motor, 11-Worm gear, 12-Worm wheel, 13-Blank storage box, 14-Unfolding rod, 15-Overhead plate, 16-Charging cable conduit, 17-Second transmission component, 18-Pressing rope, 19-Fire blanket, 20-Guide wheel, 21-Drum, 22-Winding seat, 23-The 1-Sprinkler pipe, 24-Second sprinkler pipe, 25-Third sprinkler pipe, 26-Fourth sprinkler pipe, 27-Fifth sprinkler pipe, 28-Sixth sprinkler pipe, 29-Seventh sprinkler pipe, 30-Eighth sprinkler pipe, 31-Ninth sprinkler pipe, 32-First sprinkler hole, 33-Second sprinkler hole, 34-Third sprinkler hole, 35-Fourth sprinkler hole, 36-Fifth sprinkler hole, 39-Roller reel, 40-Fire hose, 41-Smoke exhaust pipe, 42-Smoke exhaust fan, 43-New energy vehicle. Detailed Implementation

[0019] The technical solution of this utility model will be described in detail below with reference to the accompanying drawings and through embodiments. It should be noted that the description of these embodiments is for the purpose of helping to understand this utility model, but does not constitute a limitation on this utility model.

[0020] In this article, the term "and / or" is merely a description of the relationship between related objects, indicating that three relationships can exist. For example, A and / or B can mean: A exists alone, B exists alone, and A and B exist simultaneously. The term " / and" in this article describes another type of relationship between related objects, indicating that two relationships can exist. For example, A / and B can mean: A exists alone, and A and B exist alone. In addition, the character " / " in this article generally indicates that the related objects before and after it are in an "or" relationship.

[0021] according to Figures 1-16 As shown, a shared intelligent fire suppression system for multiple parking spaces of new energy vehicles includes a sliding component, a covering fire suppression component, a spray fire suppression and smoke exhaust component, and a fire intelligent detection component. The sliding component is installed on the parking space line 1 behind the parking space and slides back and forth along the lateral side of the parking space behind multiple parking spaces. The covering fire suppression component is installed on the sliding component and moves accordingly to cover and extinguish the fire of the new energy vehicle 43 that is in thermal runaway within the parking space. The spray fire suppression and smoke exhaust component is installed on the covering fire suppression component to spray and extinguish the fire and exhaust smoke from the covered new energy vehicle 43. The fire intelligent detection component is installed above the parking space to detect smoke, temperature, and thermal runaway in real time for the parked new energy vehicle 43, so as to automatically identify the fire and activate the covering fire suppression component and the spray fire suppression and smoke exhaust component.

[0022] The sliding component includes a sliding support and a first power component. The sliding support is located on the parking space line 1 behind the parking space, and the first power component is located on the sliding support to provide power for its sliding movement. The sliding support includes a groove 2, a slider 3, and a first support seat 4. The groove 2 is located on the parking space line 1 behind the parking space, the slider 3 is slidably fitted into the groove 2, and the first support seat 4 is located on the slider 3 and moves accordingly. Furthermore, the groove 2 is rectangular, and its length is approximately equal to the sum of the widths of the multiple parking spaces it protects, so as to achieve fire-fighting coverage protection for multiple parking spaces (in the accompanying drawings of this specification, five parking spaces are simultaneously protected as an example). The slider 3 has a sliding groove on its side, and the longitudinal direction of the sliding groove is parallel to the axis of the slider 3. There are three sliders 3, which are spaced apart on the first support seat 4. The first support base 4 is rectangular in shape. Its length is greater than the width of the parking space, and its width is greater than the width of the chute 2. The bottom surface of the first support base 4 is fixedly mounted on the top surfaces of three spaced-apart sliders 3, providing support for the fire extinguishing cover. Alternatively, the bottom surface of the chute 2 is provided with a slide rail, and the bottom surface of the slider 3 slides laterally back and forth along the slide rail within the chute 2 along the parking space.

[0023] The first power component includes a first motor 5, a gear, and a rack 6. The first motor 5 is fixedly mounted on the first support base 4, and the shaft of the first motor 5 rotates through the first support base 4. The gear is fixedly mounted on the free end of the shaft of the first motor 5 and is located between the two sliders 3. The rack 6 is fixedly mounted on one side wall of the slide groove 2 and is located within the sliding groove, while the rack 6 meshes with the gear. When the first motor 5 drives the gear to rotate, the gear applies a thrust to the rack 6, thereby driving the first support base 4 and the sliders 3 to slide axially back and forth within the slide groove 2.

[0024] Alternatively, the first power component can be a first motor 5 driving a screw to rotate. The rotating screw passes through a threaded hole on the slider 3, and through the threaded hole, drives the slider 3 to slide axially within the groove 2. Alternatively, the first power component can be a linear actuator that allows it to slide laterally back and forth along the parking space line 1 behind the parking space.

[0025] The sliding component is used as follows: as shown in the attached diagram of the instruction manual, when the fire intelligent detection component detects that the new energy vehicle 43 parked in one of the five parking spaces has experienced thermal runaway of its power battery, the first motor 5 starts and drives the covering fire extinguishing component to slide behind the parking space where thermal runaway has occurred, so as to cover and extinguish the fire on the new energy vehicle 43.

[0026] The fire extinguishing device includes a fire extinguishing cover and a covering wrap. The fire extinguishing cover is on the sliding support to cover the fire blanket 19 on the thermally runaway new energy vehicle 43. The covering wrap is on the sliding support to press down and wrap the two sides of the fire blanket 19 around the thermally runaway new energy vehicle 43.

[0027] The fire extinguishing cover includes a cover support and a fire blanket unfolding component. The cover support is mounted on the sliding support and drives the connected fire blanket unfolding component to cover the thermally runaway new energy vehicle 43 with the fire blanket 19. The fire blanket unfolding component is mounted on the cover support and unfolds the fire blanket 19.

[0028] The covering support includes a first transmission component and a second power component. The first transmission component provides support and covering transmission for the fire blanket deployment component connected to the sliding support, and the second power component provides power to the first transmission component connected to the sliding support.

[0029] The first transmission component includes a transmission shaft 7 and a second support base 8. The transmission shaft 7 is rotatably mounted on the bottom surface of one side of the first support base 4 via a third support base 9. The second support base 8 is fixedly mounted on the transmission shaft 7 and moves accordingly to provide support for the fire blanket deployment component. Multiple third support bases 9 are provided. The transmission shaft 7 rotates through multiple third support bases 9, increasing the radial load-bearing capacity of the transmission shaft 7, thereby increasing the load-bearing capacity on the second support base 8 and the fire blanket deployment component. The lower half of the second support base 8 is semi-cylindrical, and the upper half is rectangular. A first through hole is provided at the center of the lower half of the second support base 8. The second support base 8 is fixedly mounted on the transmission shaft 7 through the first through hole, and the second support base 8 is located on the parking space line 1 on one side of the parking space, with the arc surface of the lower half of the second support base 8 close to the parking space line 1. Furthermore, there are two second support seats 8, which are symmetrically distributed on the drive shaft 7, and each of the two second support seats 8 corresponds to a parking space line 1 on both sides of the parking space.

[0030] The second power component includes a second motor 10, a worm gear 11, and a worm wheel 12. The second motor 10 is fixedly mounted on the first support base 4, and the shaft of the second motor 10 rotates through the first support base 4. The worm gear 11 is mounted on the shaft of the second motor 10, and the worm wheel 12 is fixedly mounted on the transmission shaft 7, meshing with the worm gear 11. When the second motor 10 drives the transmission shaft 7 to rotate via the worm gear 11 and the worm wheel 12, the transmission shaft 7 will drive the second support base 8 to rotate 90 degrees, so that the fire blanket unfolding component rotates from a 90-degree angle with the ground to parallel with the ground, thereby covering the new energy vehicle 43 from the rear to the front, so as to completely cover the new energy vehicle 43.

[0031] The fire blanket unfolding component includes a blanket storage box 13, an unfolding arm, and an unfolding rod 14. The blanket storage box 13 is mounted on the sliding support member. The fire blanket 19 is folded and stored inside the blanket storage box 13, and the bottom edge of the fire blanket 19 is connected to the blanket storage box 13. The unfolding arm is mounted on the first transmission member and moves accordingly. The unfolding arm pulls the top end of the fire blanket 19 upward from the blanket storage box 13 through the connected unfolding rod 14.

[0032] The blanket storage box 13 is generally rectangular tubular. The width of the blanket storage box 13 is greater than the width of the fire blanket 19 but less than the length of the first support base 4. The thickness of the blanket storage box 13 is less than the width of the first support base 4. The bottom end of the blanket storage box 13 is fixedly mounted on the top surface of the first support base 4. Furthermore, a first opening is provided on one side wall of the blanket storage box 13, which facilitates the covering and wrapping of the fire blanket 19 from one side around the thermally runaway new energy vehicle 43. Two first openings are symmetrically distributed on both sides of the rear of the new energy vehicle 43, facilitating the covering and wrapping of the fire blanket 19 from both sides around the thermally runaway new energy vehicle 43. An overhead panel 15 is provided inside the blanket storage box 13. The area above the overhead panel 15 is used to store the fire blanket 19, and the area below the overhead panel 15 is used to install the sprinkler fire extinguishing and smoke extraction device. The fire blanket 19 is folded in an S-shape inside the blanket storage box 13, and its bottom end is connected to the top surface of the overhead panel 15. Furthermore, the width of the fire blanket 19 is greater than the sum of the width and two heights of the new energy vehicle 43 to ensure complete coverage of the vehicle. Alternatively, a charging cable conduit 16 is provided through the blanket storage box 13 below the overhead panel 15 for the charging gun's cable to pass through.

[0033] The unfolding arm includes a second transmission component 17 and a third power component. The bottom ends of the second transmission component 17 and the third power component pass through the second opening on the side of the first support base 4 and are mounted on the first transmission component. The third power component is connected to the second transmission component 17 to push the second transmission component 17 to extend and retract, thereby unfolding the fire blanket 19 from the blanket storage box 13 or folding it inside the blanket storage box 13.

[0034] The second transmission component 17 includes a first transmission tube, a second transmission tube, a third transmission tube, a fourth transmission tube, and a fifth transmission tube. One end of the first transmission tube passes through the second opening and is fixedly mounted on the second support base 8. One end of the second transmission tube is axially slidably embedded in the other end of the first transmission tube. One end of the third transmission tube is axially slidably embedded in the other end of the second transmission tube. One end of the fourth transmission tube is axially slidably embedded in the other end of the third transmission tube. One end of the fifth transmission tube is axially slidably embedded in the other end of the fourth transmission tube. It should be noted that the sum of the axial elongation lengths of the first, second, third, fourth, and fifth transmission tubes is greater than the length of the parking space, and the radial bearing capacity of the first, second, third, fourth, and fifth transmission tubes after full elongation meets the tensile strength requirement for covering the fire blanket 19 on the new energy vehicle 43.

[0035] Furthermore, a first sliding block on the inner wall of the other end of the first transmission tube is slidably fitted into a first sliding groove on the outer wall of the second transmission tube, and the first sliding groove is not through the bottom end face of the second transmission tube to prevent one end of the second transmission tube from sliding outward axially from the other end of the first transmission tube; a second sliding block on the inner wall of the other end of the second transmission tube is slidably fitted into a second sliding groove on the outer wall of the third transmission tube, and the second sliding groove is not through the bottom end face of the third transmission tube to prevent one end of the third transmission tube from sliding outward axially from the other end of the second transmission tube. The third sliding block on the inner wall of the other end of the third transmission tube is slidably fitted into the third sliding groove on the outer wall of the fourth transmission tube, and the third sliding groove is not through the bottom end face of the fourth transmission tube, so as to prevent one end of the fourth transmission tube from sliding outward along the axial direction from the other end of the third transmission tube; the fourth sliding block on the inner wall of the other end of the fourth transmission tube is slidably fitted into the fourth sliding groove on the outer wall of the fifth transmission tube, and the fourth sliding groove is not through the bottom end face of the fifth transmission tube, so as to prevent one end of the fifth transmission tube from sliding outward along the axial direction from the other end of the fourth transmission tube.

[0036] The third power component includes a linear actuator. The bottom end of the linear actuator is fixedly mounted on the second support base 8, and the top end of the linear actuator is connected to the other end of the fifth transmission tube to drive the fifth transmission tube to extend upwards, ultimately causing the second transmission component 17 to extend to a predetermined length or fully retract. Furthermore, the extension length of the linear actuator is not less than the extension length of the second transmission component 17 to meet the requirement of covering the fire blanket 19 onto the new energy vehicle 43. The linear actuator can be electric, pneumatic, or hydraulic. Alternatively, the linear actuator can be a multi-section nested electric telescopic rod. It should be noted that while the linear actuator has a relatively large axial load-bearing capacity, sufficient to meet the deployment function of the fire blanket 19, its radial load-bearing capacity is insufficient. Therefore, it needs to cooperate with the second transmission component 17 to drag the fire blanket 19 from the rear of the new energy vehicle 43 to the front of the new energy vehicle 43. The linear actuator can be installed inside the cavity of the second transmission component 17 or outside the second transmission component 17.

[0037] Two sets of deployable arms are provided, each set corresponding to one of the two second support seats 8, to pull the top edge of the fire blanket 19 from both sides to cover the new energy vehicle 43, improving the stability and reliability of the covering process. The deployable rod 14 is rectangular, with its two ends horizontally positioned on the tops of the two sets of second transmission components 17, and one side of the bottom surface of the deployable rod 14 connected to the top edge of the fire blanket 19. When the deployable arm extends, the top edge of the fire blanket 19 is pulled upwards via the deployable rod 14 and dragged to cover the new energy vehicle 43.

[0038] The covering includes a pressure rope 18, a third transmission component, and a fourth power component. The pressure rope 18 is disposed on the fire blanket 19. The third transmission component and the fourth power component are both disposed on the sliding support component. The fourth power component drives the third transmission component to wrap the pressure rope 18 to tighten the sides of the fire blanket 19 downward and wrap it around both sides of the new energy vehicle 43.

[0039] One end of the downward-pressing rope 18 slides downward through the fire blanket 19 and is then fixedly connected to the other side of the bottom surface of the unfolding rod 14. The other end of the downward-pressing rope 18 extends along the upper surface of the fire blanket 19 to the bottom end of the fire blanket 19. Then, the other end of the downward-pressing rope 18 slides downward through the fire blanket 19 and connects to the third transmission component through the first opening and the second opening. Furthermore, a predetermined distance is left between the point where the downward-pressing rope 18 passes through the fire blanket 19 and the top edge of the fire blanket 19, and a predetermined distance is also left between the point where the downward-pressing rope 18 passes through the fire blanket 19 and the bottom edge of the fire blanket 19, so as to improve the efficiency of the downward-pressing rope 18 in tightening the side of the fire blanket 19 and the tightness of wrapping the new energy vehicle 43.

[0040] The fire blanket 19 has anti-slip straps on its top surface. These anti-slip straps are long strips of fabric made of fire-resistant material. Both ends of the anti-slip straps are horizontally fixed to the upper surface of the fire blanket along the parking space, allowing the pressure rope 18 to pass through. Alternatively, multiple anti-slip straps are evenly spaced along the extension direction of the pressure rope 18. These anti-slip straps prevent the pressure rope 18 from slipping off the side of the fire blanket 19 when it is tightened, improving the reliability of the pressure rope 18 when tightening the fire blanket 19.

[0041] The third transmission component includes a guide wheel 20 and a winding component. The guide wheel 20 is circumferentially rotated and axially locked onto the transmission shaft 7. The winding component is connected to the fourth power component on the first support seat 4. The other end of the pressure rope 18 is guided by the guide wheel 20 and connected to the winding component. Furthermore, the radius of the guide wheel 20 is close to the distance from the axis of the transmission shaft 7 to the ground of the parking space, so that when the pressure rope 18 presses down and tightens the fire blanket 19, the lower surface of the fire blanket 19 under the pressure rope 18 can fit against the ground of the parking space, thereby improving the tightness of the coverage of the thermal runaway new energy vehicle 43. The winding component includes a drum 21 and a winding seat 22. The winding seat 22 is fixedly mounted on the top surface of the first support seat 4, and the drum 21 is rotatably mounted on the winding seat 22. The other end of the pressure rope 18 is guided by the guide wheel 20 and connected to the drum 21.

[0042] The fourth power component includes a third motor, which is fixedly mounted on the first support base 4. The shaft of the third motor is connected to the drum 21 for transmission, so as to drive the drum 21 to rotate and wind the other end of the pressure rope 18, thereby driving the pressure rope 18 to press down on the side of the fire blanket 19. The lower surface of the fire blanket 19, which is pressed to the limit, is in contact with the parking space line 1 on the side of the parking space, so as to wrap the thermally runaway new energy vehicle 43 inside the fire blanket 19.

[0043] Two sets of the covering are provided, and the two sets of the covering are symmetrically distributed on both sides of the parking space, so as to simultaneously press down and tighten the fire blanket 19 on both sides of the new energy vehicle 43.

[0044] There are three main methods for using this fire extinguishing cover: (1) After the extension arm is extended, the top of the fire blanket 19 is fully extended upward from the storage box 13 through the extension rod 14. Then the second power component is activated and the first transmission component drives the extension arm to rotate forward by about 90 degrees, so that the fire blanket 19 completely covers the thermal runaway new energy vehicle 43. Then the fourth power component is activated and the other end of the pressure rope 18 is wound around through the winding component. During the winding process, the pressure rope 18 presses down on the upper surface of the side of the fire blanket 19. After the lower surface of the fire blanket 19 is pressed down and fits with the parking line 1 on the side of the parking space, the fire extinguishing operation of covering the thermal runaway new energy vehicle 43 can be completed. (2) After extending the unfolding arm and driving the top of the fire blanket 19 to unfold halfway upward from the storage box 13 through the unfolding rod 14, start the second power component and drive the unfolding arm to rotate forward by about 45 degrees through the first transmission component. Then continue to extend the unfolding arm and drive the top of the fire blanket 19 to fully unfold upward from the storage box 13 through the unfolding rod 14. Then continue to start the second power component and drive the unfolding arm to rotate forward by about 90 degrees through the first transmission component, so that the fire blanket 19 completely covers the thermal runaway new energy vehicle 43. Then start the fourth power component and wind the other end of the pressure rope 18 through the winding component. During the winding process, the pressure rope 18 presses down on the upper surface of the side of the fire blanket 19. After the lower surface of the pressed fire blanket 19 is in contact with the parking space line 1 on the side of the parking space, the fire extinguishing operation of covering the thermal runaway new energy vehicle 43 can be completed. (3) During the extension of the unfolding arm, the second power component is activated, and the unfolding arm during the extension process continuously drives the top of the fire blanket 19 to unfold from the storage box 13 through the unfolding rod 14. During the unfolding process, the fire blanket 19 is continuously driven forward to cover the thermal runaway new energy vehicle 43. After the coverage is completed, the fourth power component is activated to wind the other end of the pressure rope 18 through the winding component. During the winding process, the pressure rope 18 presses down on the upper surface of the side of the fire blanket 19. After the lower surface of the pressed fire blanket 19 is in contact with the parking space line 1 on the side of the parking space, the fire extinguishing operation of covering the thermal runaway new energy vehicle 43 can be completed.

[0045] The fire extinguishing and smoke exhaust system includes a bottom spray component and a smoke exhaust component. The bottom spray component is located on the blanket storage box 13 below the overhead panel 15 and can automatically extend to the area below the new energy vehicle 43. The smoke exhaust component is located on the blanket storage box 13 below the overhead panel 15 and exhausts smoke outward from the covered new energy vehicle 43.

[0046] The bottom spray unit includes a telescopic spray unit and a spray relay unit. The telescopic spray unit can automatically extend on the blanket storage box 13 to the bottom of the power battery of the new energy vehicle 43 and spray upward to cool and extinguish the thermal runaway power battery. The spray relay unit delivers spray liquid to the telescopic spray unit on the side wall of the blanket storage box 13.

[0047] The telescopic spray component includes a telescopic spray pipe, the bottom end of which is horizontally mounted on the blanket storage box 13. As needed, it automatically extends to the bottom of the power battery of the new energy vehicle 43 and sprays water upwards to cool and extinguish the fire of the power battery through the spray holes on the side wall of the telescopic spray pipe.

[0048] The telescopic sprinkler system includes a first sprinkler pipe 23, a second sprinkler pipe 24, a third sprinkler pipe 25, a fourth sprinkler pipe 26, a fifth sprinkler pipe 27, a sixth sprinkler pipe 28, a seventh sprinkler pipe 29, an eighth sprinkler pipe 30, and a ninth sprinkler pipe 31. One end of the first sprinkler pipe 23 is horizontally fixed through the blanket storage box 13 below the overhead panel 15. The length of the first sprinkler pipe 23 is not greater than the width of the first support base 4, so as to reduce the vertical space occupied by the first sprinkler pipe 23. One end of the second spray pipe 24 is axially sealed and slidably embedded in the other end of the first spray pipe 23. One end of the third spray pipe 25 is axially sealed and slidably embedded in the other end of the second spray pipe 24. One end of the fourth spray pipe 26 is axially sealed and slidably embedded in the other end of the third spray pipe 25. One end of the fifth spray pipe 27 is axially sealed and slidably embedded in the other end of the fourth spray pipe 26. One end of the sixth spray pipe 28 is axially sealed and slidably embedded in the other end of the fifth spray pipe 27. One end of the seventh spray pipe 29 is axially sealed and slidably embedded in the other end of the sixth spray pipe 28. One end of the eighth spray pipe 30 is axially sealed and slidably embedded in the other end of the seventh spray pipe 29. One end of the ninth spray pipe 31 is axially sealed and slidably embedded in the other end of the eighth spray pipe 30.

[0049] The fifth spray pipe 27 has a first spray hole 32, a second spray hole 33, a third spray hole 34, a fourth spray hole 35, and a fifth spray hole 36 on its upper sidewall. The first spray holes 32 are evenly spaced axially at the uppermost position of the sidewall of the fifth spray pipe 27, spraying upwards. The second spray holes 33 are evenly spaced axially on the sidewall of the fifth spray pipe 27, and are located to the left of the first spray holes 32, spraying upwards at an angle. The third spray holes 34, 35, and 36 are also evenly spaced axially. 4. The third spray hole 34 is located to the right of the first spray hole 32 and sprays upwards at equal intervals along the axial direction on the side wall of the fifth spray pipe 27; the fourth spray hole 35 is located to the left of the second spray hole 33 and sprays upwards at equal intervals along the axial direction on the side wall of the fifth spray pipe 27; the fifth spray hole 36 is located to the right of the third spray hole 34 and sprays upwards at equal intervals along the axial direction on the side wall of the fifth spray pipe 27.

[0050] The upper sidewall of the sixth spray pipe 28 is provided with a sixth, seventh, eighth, ninth, and tenth spray holes. Multiple sixth spray holes are axially and evenly spaced at the uppermost position of the sidewall of the fifth spray pipe 27, spraying upwards. Multiple seventh spray holes are axially and evenly spaced on the sidewall of the fifth spray pipe 27, with the seventh spray hole located to the left of the sixth spray hole and spraying upwards at an angle. Multiple eighth spray holes are axially and evenly spaced on the sidewall of the fifth spray pipe 27, with the eighth spray hole located to the right of the sixth spray hole and spraying upwards at an angle. Multiple ninth spray holes are axially and evenly spaced on the sidewall of the fifth spray pipe 27, with the ninth spray hole located to the left of the seventh spray hole and spraying upwards at an angle. Multiple tenth spray holes are axially and evenly spaced on the sidewall of the fifth spray pipe 27, with the tenth spray hole located to the right of the eighth spray hole and spraying upwards at an angle.

[0051] The upper sidewall of the seventh spray pipe 29 is provided with an eleventh, twelfth, thirteenth, fourteenth, and fifteenth spray holes. The eleventh spray holes are axially and evenly spaced at the uppermost position of the sidewall of the fifth spray pipe 27, spraying upwards. The twelfth spray holes are axially and evenly spaced on the sidewall of the fifth spray pipe 27, and are located to the left of the eleventh spray holes, spraying upwards at an angle. The thirteenth spray holes... The fifth spray pipe 27 is equidistantly arranged along the axial direction, and the thirteenth spray hole is located to the right of the eleventh spray hole and sprays obliquely upwards; the fourteenth spray holes are equidistantly arranged along the axial direction, and the fourteenth spray hole is located to the left of the twelfth spray hole and sprays obliquely upwards; the fifteenth spray holes are equidistantly arranged along the axial direction, and the fifteenth spray hole is located to the right of the thirteenth spray hole and sprays obliquely upwards.

[0052] The upper sidewall of the eighth spray pipe 30 is provided with a sixteenth, seventeenth, eighteenth, nineteenth, and twentieth spray holes. Multiple sixteenth spray holes are axially and evenly spaced at the uppermost position of the sidewall of the fifth spray pipe 27, spraying upwards. Multiple seventeenth spray holes are axially and evenly spaced on the sidewall of the fifth spray pipe 27, and are located to the left of the sixteenth spray holes, spraying upwards at an angle. Multiple eighteenth spray holes... The fifth spray pipe 27 is equidistantly arranged along the axial direction, and the eighteenth spray hole is located to the right of the sixteenth spray hole and sprays obliquely upwards; a plurality of nineteenth spray holes are equidistantly arranged along the axial direction, and the nineteenth spray hole is located to the left of the seventeenth spray hole and sprays obliquely upwards; a plurality of twentieth spray holes are equidistantly arranged along the axial direction, and the twentieth spray hole is located to the right of the eighteenth spray hole and sprays obliquely upwards.

[0053] The upper sidewall of the ninth spray pipe 31 is provided with a twenty-first, twenty-second, twenty-third, twenty-fourth, and twenty-fifth spray hole. The twenty-first spray hole is axially and evenly spaced at the uppermost position of the sidewall of the fifth spray pipe 27, spraying upwards. The twenty-second spray hole is axially and evenly spaced on the sidewall of the fifth spray pipe 27, and is located to the left of the twenty-first spray hole, spraying upwards at an angle. The twenty-third spray hole... The holes are evenly spaced along the axial direction on the side wall of the fifth spray pipe 27, and the twenty-third spray hole is located to the right of the twenty-first spray hole and sprays obliquely upwards; a plurality of twenty-fourth spray holes are evenly spaced along the axial direction on the side wall of the fifth spray pipe 27, and the twenty-fourth spray hole is located to the left of the twenty-second spray hole and sprays obliquely upwards; a plurality of twenty-fifth spray holes are evenly spaced along the axial direction on the side wall of the fifth spray pipe 27, and the twenty-fifth spray hole is located to the right of the twenty-third spray hole and sprays obliquely upwards.

[0054] Furthermore, the other end of the first spray pipe 23 is closed, and a first limiting ring is provided at one end of the first spray pipe 23. The first limiting ring is in the shape of a circular plate, and the inner diameter of the first limiting ring is not less than the outer diameter of the second spray pipe 24. A first sliding sealing ring is provided on the inner ring of the first limiting ring to maintain an axial sliding seal with the outer wall of the first spray pipe 23. A second limiting ring is fitted on one end of the second spray pipe 24. The outer diameter of the second limiting ring is not greater than the inner diameter of the first spray pipe 23, and a second sliding sealing ring is provided on the outer ring surface of the second limiting ring to maintain an axial sliding seal with the inner wall of the first spray pipe 23. It should be noted that the axial sliding seal connection method of the second spray pipe 24 and the third spray pipe 25 is the same as that of the first spray pipe 23 and the second spray pipe 24; the axial sliding seal connection method of the third spray pipe 25 and the fourth spray pipe 26 is the same as that of the first spray pipe 23 and the second spray pipe 24; the axial sliding seal connection method of the fourth spray pipe 26 and the fifth spray pipe 27 is the same as that of the first spray pipe 23 and the second spray pipe 24; the axial sliding seal connection method of the fifth spray pipe 27 and the sixth spray pipe 28 is the same as that of the third spray pipe 25 and the fourth spray pipe 26. The axial sliding sealing method is the same as that of the first spray pipe 23 and the second spray pipe 24; the axial sliding sealing method of the sixth spray pipe 28 and the seventh spray pipe 29 is the same as that of the first spray pipe 23 and the second spray pipe 24; the axial sliding sealing method of the seventh spray pipe 29 and the eighth spray pipe 30 is the same as that of the first spray pipe 23 and the second spray pipe 24; the axial sliding sealing method of the eighth spray pipe 30 and the ninth spray pipe 31 is the same as that of the first spray pipe 23 and the second spray pipe 24. It should be noted that, in non-fire conditions, the second spray pipe 24, the third spray pipe 25, the fourth spray pipe 26, the fifth spray pipe 27, the sixth spray pipe 28, the seventh spray pipe 29, the eighth spray pipe 30, and the ninth spray pipe 31 are all retracted into the first spray pipe 23. When the spray relay delivers extinguishing agent at a predetermined pressure into the first spray pipe 23, it will push the second spray pipe 24, the third spray pipe 25, the fourth spray pipe 26, the fifth spray pipe 27, the sixth spray pipe 28, the seventh spray pipe 29, the eighth spray pipe 30, and the ninth spray pipe 31 to extend outward from the first spray pipe 23, thereby causing the spray holes to extend towards the area below the thermally runaway power battery for fire extinguishing operations.

[0055] The sprinkler relay includes a reel 39 and a fire hose 40. The reel 39 is rotatably mounted on the blanket storage tank 13. One end of the fire hose 40 is wound around the reel 39 and then connected to the other end of the first sprinkler pipe 23. The other end of the fire hose 40 extends along the parking space line 1 behind the parking space and is connected to the fire pump. The fire pump draws water from the fire water tank. Furthermore, a proportioning mixer can be connected to the outlet of the fire pump to mix the extinguishing agent concentrate in water in a proportional manner to form an extinguishing liquid, which is then delivered to the fire hose 40. Alternatively, the other end of the fire hose 40 can also be connected to the municipal water supply network. In this case, if the water pressure is insufficient, a booster pump can be used to increase the pressure.

[0056] The smoke exhaust system includes a smoke exhaust pipe 41 and a smoke exhaust fan 42. One end of the smoke exhaust pipe 41 passes through both side walls of the blanket storage box 13 and is located below the overhead panel 15. The smoke exhaust fan 42 is mounted on the side wall of the blanket storage box 13 and is connected to the other end of the smoke exhaust pipe 41. It is used to exhaust smoke from the space inside the fire blanket 19 wrapped around the new energy vehicle 43.

[0057] The intelligent fire detection system comprises a fire detector and a smart fire safety service cloud platform. The fire detector is installed above the parking space, while the smart fire safety service cloud platform is located in a remote data center. The fire detector includes a composite smoke and heat detector, an image fire detector, and an infrared detector. All three are installed above the parking space to coordinate with the fire extinguishing system and the sprinkler system to activate the fire suppression system. The composite smoke and heat detector is installed on the ceiling above the parking space to detect fires in the new energy vehicle 43 parked there. One composite smoke and heat detector is installed above each of the multiple parking spaces being simultaneously protected.

[0058] Furthermore, this composite smoke and heat fire detector is a wireless integrated smoke and heat detector, and it is also a wireless networked composite smoke and heat fire detector. This composite smoke and heat fire detector can transmit IoT signals with telecommunications operators to wirelessly transmit detected abnormal temperature and smoke signals to the fire control room of the user unit in a timely manner, and also transmit them remotely to the smart fire safety service cloud platform.

[0059] The image fire detector is installed above the parking space to monitor the new energy vehicle 43 in the parking space for fire and video surveillance, reducing the blind spot of the image fire detector. The infrared detector is installed above the parking space to detect abnormal temperatures in the new energy vehicle 43 in the parking space.

[0060] Alternatively, the fire blanket box 13 is equipped with a temperature detector on the wall facing the parking space. When the fire blanket 19 completely covers and wraps around the new energy vehicle 43, the temperature detector can detect the temperature inside the fire blanket in real time, and the temperature detector transmits the real-time temperature to the APP on the manager's mobile phone via wireless network.

[0061] This intelligent fire safety service cloud platform collects parameters 24 / 7 from various social units, including management personnel, equipment quantity, and the types of smoke and heat detectors, image detectors, and infrared detectors. The data is then uploaded to the monitoring center's server via 5G wireless communication, where it is monitored and analyzed in real-time by the city's smart safety cloud platform system. Users can monitor the safety status parameters of on-site equipment in real time via mobile app and PC client, achieving transparent monitoring and management of safety equipment and allowing them to control the health and energy efficiency of safety equipment anytime, anywhere.

[0062] Although the embodiments of this utility model have been disclosed above, they are not limited to the applications listed in the specification and embodiments. They can be applied to various fields suitable for this utility model. For those skilled in the art, other modifications can be easily made. Therefore, without departing from the general concept defined by the claims and their equivalents, this utility model is not limited to the specific details and the illustrations shown and described herein.

Claims

1. A smart fire suppression system for shared fire coverage in multiple parking spaces of new energy vehicles, characterized in that, include: A sliding member is disposed on the parking line behind the parking space. The sliding member includes a sliding support member and a first power member. The sliding support member is disposed on the parking line behind the parking space. The first power member is disposed on the sliding support member and provides power for the sliding support member to slide behind multiple parking spaces. A fire extinguishing blanket is mounted on the sliding support and moves with it. The fire extinguishing blanket includes a fire extinguishing cover and a covering wrap. The fire extinguishing cover is mounted on the sliding support and is moved to the back of the parking space where the thermally runaway new energy vehicle is located, so as to cover the thermally runaway new energy vehicle. The covering wrap is mounted on the sliding support and presses down on both sides of the fire extinguishing blanket covering the thermally runaway new energy vehicle to wrap it around the outside of the thermally runaway new energy vehicle. A fire-extinguishing and smoke-exhausting spray device is installed on the fire-extinguishing cover. The fire-extinguishing and smoke-exhausting spray device includes a bottom spray device and a smoke exhaust device. The bottom spray device is installed on the fire-extinguishing cover and automatically extends to spray below the new energy vehicle. The smoke exhaust device is installed on the fire-extinguishing cover and exhausts smoke outward from the covered new energy vehicle. A smart fire detector is installed above the parking space. The smart fire detector includes a fire detector and a smart fire safety service cloud platform. The fire detector is installed above the parking space to detect thermal runaway fire signals of the new energy vehicle. The smart fire safety service cloud platform is located in a remote data center to receive fire signals wirelessly transmitted by the fire detector.

2. The intelligent fire suppression system for shared fire coverage in multiple parking spaces of new energy vehicles according to claim 1, characterized in that, The fire extinguishing cover includes a covering support and a fire blanket unfolding component. The covering support is mounted on the sliding support and drives the connected fire blanket unfolding component to cover the thermally runaway new energy vehicle with the fire blanket. The fire blanket unfolding component is mounted on the covering support and unfolds the fire blanket.

3. The intelligent fire suppression system for shared fire coverage in multiple parking spaces of new energy vehicles according to claim 2, characterized in that, The covering support includes a first transmission component and a second power component. The first transmission component is disposed on the sliding support to provide support and covering transmission for the connected fire blanket deployment component. The second power component is disposed on the sliding support to provide power to the connected first transmission component.

4. The intelligent fire suppression system for shared fire coverage in multiple parking spaces of new energy vehicles according to claim 3, characterized in that, The first transmission component includes a transmission shaft and a second support base. The transmission shaft is rotatably mounted on the first support base of the sliding support component, and the transmission component is connected to the second power component. The first support base is driven by the first power component to slide along the parking space line behind the multiple parking spaces. The second support base is mounted on the transmission shaft and moves accordingly to provide support for the fire blanket deployment component.

5. The intelligent fire suppression system for shared fire coverage in multiple parking spaces of new energy vehicles according to claim 4, characterized in that, The fire blanket unfolding component includes a blanket storage box, an unfolding arm, and an unfolding rod. The bottom port of the blanket storage box is located on the top surface of the first support base. The fire blanket is folded and stored inside the blanket storage box, and the bottom edge of the fire blanket is connected to the overhead plate in the blanket storage box. The unfolding arm is mounted on the first transmission component and moves accordingly. The unfolding arm pulls the top edge of the fire blanket upward from the blanket storage box and unfolds it through the connected unfolding rod.

6. The intelligent fire suppression system for shared fire coverage in multiple parking spaces of new energy vehicles according to claim 5, characterized in that, The deploying arm includes a second transmission component and a third power component. The bottom ends of the second transmission component and the third power component are both disposed on the first transmission component, and the third power component is connected to the second transmission component to drive the second transmission component to extend, thereby pulling the top edge of the fire blanket upward from the storage box through the connected deploying rod.

7. The intelligent fire suppression system for shared fire coverage in multiple parking spaces of new energy vehicles according to claim 6, characterized in that, The covering includes a pressure rope, a third transmission component, and a fourth power component. The pressure rope is mounted on the fire blanket, and the third transmission component and the fourth power component are both mounted on the sliding support component. The fourth power component drives the third transmission component to wind the pressure rope, thereby pressing down and tightening the side of the fire blanket to wrap around the side of the new energy vehicle.

8. The intelligent fire suppression system for shared fire coverage in multiple parking spaces of new energy vehicles according to claim 7, characterized in that, One end of the downward pressure rope slides down through the fire blanket and connects to the other side of the bottom surface of the unfolding rod. The other end of the downward pressure rope extends along the upper surface of the fire blanket to the bottom of the fire blanket. Then, the other end of the downward pressure rope slides down through the fire blanket and is wound and connected to the third transmission component.

9. The intelligent fire suppression system for shared fire coverage in multi-parking spaces of new energy vehicles according to claim 7 or 8, characterized in that, The third transmission component includes a guide wheel and a winding component. The guide wheel is circumferentially rotated and axially locked on the transmission shaft. The winding component is connected to the fourth power component on the first support seat. The other end of the pressure rope is guided by the guide wheel and then connected to the winding component.

10. The intelligent fire suppression system for shared fire coverage in multi-parking spaces of new energy vehicles according to any one of claims 5-8, characterized in that, The bottom spray unit includes a telescopic spray pipe and a spray relay. The bottom end of the telescopic spray pipe is horizontally set on the storage box. After the spray relay is injected with a predetermined pressure of extinguishing agent, it automatically extends to the bottom of the power battery of the new energy vehicle and sprays the power battery upwards to cool it down and extinguish the fire through the spray holes on the side wall of the telescopic spray pipe.

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