An automatic rolling door sealing mechanism and fire extinguishing device and method for energy storage container

Abstract

This invention discloses an automatic rolling shutter door sealing mechanism, fire extinguishing device, and method for an energy storage container, belonging to the field of energy storage container technology. The automatic rolling shutter door sealing mechanism for an energy storage container includes a heat dissipation window mounted on the container body. The heat dissipation window comprises: a window body fixed to a slot in the container body, with several heat dissipation grooves on the window body, and a rainproof plate at each heat dissipation groove; a fireproof rolling shutter fixed to the window body; and two slide rails symmetrically arranged on both sides of the window body. This invention achieves a fully automatic and rapid response from fire warning to complete sealing of the window opening through multi-level linkage and adaptive sealing design. The dual action of rainproof plate closure and curtain slat compression ensures extremely high airtightness of the seal, creating the necessary conditions for suffocation fire extinguishing. Furthermore, the anti-accumulation and self-cleaning mechanisms effectively overcome the influence of the outdoor environment, significantly improving the reliability of the mechanism in real-world scenarios.

Description

Technical Field

[0001] This invention relates to the field of energy storage container technology, and in particular to an automatic rolling shutter door sealing mechanism, fire extinguishing device, and method for an energy storage container. Background Technology

[0002] With the deepening implementation of my country's "dual carbon" goals, integrated energy storage systems, represented by energy storage containers, are playing an increasingly important role in smoothing new energy power generation, grid peak shaving and frequency regulation, and emergency power supply. The densely packed battery modules inside the energy storage container generate a large amount of heat during charging and discharging. Its safe operation is highly dependent on continuous forced ventilation through the surface ventilation windows (usually louvered structures) to maintain a suitable temperature and expel any potentially accumulated flammable gases. However, this design crucial for normal operation presents a significant challenge to fire safety.

[0003] When a fire occurs inside a container, such as one caused by battery thermal runaway, the oxygen supply must be cut off immediately. Typically, an automatic fire suppression system sprays extinguishing agents like perfluorohexanone into the hold to smother the fire. However, existing ventilation designs make ventilation windows fatal leak points during a fire. Large amounts of extinguishing agent escape through these leaks, allowing fresh air to continuously enter, severely diluting the extinguishing agent concentration and fueling the fire. This can lead to fire suppression failure and even catastrophic consequences such as an explosion of the entire container.

[0004] Currently, although there have been attempts to use automatic fireproof roller shutters for sealing, significant drawbacks remain in practical applications. Firstly, the guide rails of conventional roller shutters easily accumulate dust and debris in complex outdoor environments, potentially causing the curtains to jam during a fire, resulting in low reliability. Secondly, the simple descent of the curtains relying solely on their own weight is insufficient to achieve a high-pressure, tight seal with the window frame; pressure fluctuations within the enclosure can easily lead to leaks. Furthermore, the exposed heat dissipation channels allow dust adhering to their sealing surfaces to affect airtightness when closed. Summary of the Invention

[0005] The purpose of this invention is to solve the problems existing in the prior art, and to propose an automatic rolling shutter door sealing mechanism, fire extinguishing device and method for energy storage containers.

[0006] To achieve the above objectives, the present invention adopts the following technical solution: An automatic rolling shutter door sealing mechanism for an energy storage container includes a heat dissipation window disposed on the container body, the heat dissipation window comprising: A window is fixed on a slot in the box body. The window is provided with several heat dissipation slots, and a rainproof plate is provided at each heat dissipation slot. Fireproof roller shutter, which is fixed to the window frame and used to block the heat dissipation grooves on the window frame; And the slide rails, two of which are symmetrically arranged on both sides of the window, are used to guide the slats of the fireproof roller shutter to extend or retract; And an auxiliary closing component, which is disposed on the window and used to drive the rainproof plate to block the heat dissipation groove, and the auxiliary closing component is connected to the fireproof roller shutter.

[0007] Preferably, the fireproof roller shutter includes a storage shell slidably disposed on the window frame, a winding rod rotatably connected inside the storage shell for winding the curtain slats, a winding motor fixed at one end of the storage shell for driving the winding rod to rotate, a pull cord fixedly connected to the end of the curtain slats away from the winding rod, and a counterweight disposed on the pull cord, wherein the counterweight is slidably disposed in a slide rail.

[0008] Preferably, the winding rod is also provided with a drum, the end of the pull rope away from the curtain is wound and connected to the drum, and a number of guide wheels are fixed on the window body and slidably connected to the pull rope, the guide wheels being located on the lower side of the slide rail; A support plate is fixedly mounted on the window, and a first elastic telescopic rod is fixedly mounted on the support plate. The end of the first elastic telescopic rod away from the support plate is fixedly connected to the storage shell.

[0009] Preferably, the auxiliary closing assembly includes a sliding plate fixedly connected to the storage shell and slidably connected to the window body, and a hinged telescopic rod hinged between the sliding plate and the rainproof plate. The window body is provided with a movable groove for the movement of the hinged telescopic rod. Each of the aforementioned rainproof plates is rotatably connected to the inner wall of the heat dissipation groove via a pin, and the bottom of the rainproof plate is provided with a first rubber pad that moves against the inner wall of the heat dissipation groove.

[0010] Preferably, the end of the rainproof plate is provided with a rubber scraper, and the window body has a dust collection trough at the bottom of the heat dissipation groove that is connected to the heat dissipation groove, and the bottom of the movable groove is connected to the dust collection trough.

[0011] Preferably, the slide is L-shaped, and the L-shaped slide and the inner wall of the window form a sliding cavity for the sliding of the counterweight. The sliding cavity is provided with an anti-accumulation block that is slidably connected to the slide. Both sides of the storage shell are hinged with swing rods via connecting plates. The end of the swing rod away from the storage shell is connected to the anti-accumulation block on the same side via a rotating shaft.

[0012] Preferably, studs are threaded into the slides on both sides of the window, and a frame is provided at the end of the stud to move against the curtain slat. A second rubber pad is provided on the frame. A driven gear is rotatably arranged in the slide and slidably connected to the stud. A force-bearing block is slidably arranged at the bottom of the slide and moves against the counterweight. A second elastic telescopic rod is provided between the force-bearing block and the slide. A rack plate that meshes with the driven gear is also provided on the force-bearing block. The driven gear has a guide bar fixed to its inner sidewall, and the stud has a guide groove that cooperates with the guide bar.

[0013] Preferably, when the heat dissipation grooves of the fireproof roller shutter are not sealed: The outer walls of the anti-accumulation block are respectively attached to the inner wall of the window and the inner wall of the slide. The top of the anti-accumulation block is in contact with the bottom of the counterweight block, and the bottom of the anti-accumulation block is in contact with the top of the force-bearing block.

[0014] A fire extinguishing device includes the aforementioned automatic rolling shutter door sealing mechanism for an energy storage container, and also includes a nozzle arranged on the inner wall of the container and a plurality of nozzles equidistantly arranged on the nozzle, wherein the nozzle is connected to a fire extinguishing powder supply device via a pipeline. The enclosure is equipped with a sensor assembly for monitoring fire conditions, which includes a smoke sensor, a temperature sensor, and a combustible gas detection sensor.

[0015] The present invention also discloses a method of using the fire extinguishing device described above, comprising the following steps: S1: Normal heat dissipation standby state The slats of the fireproof roller shutter are rolled up inside the storage shell by the winding rod, so that they do not affect the ventilation area of ​​the heat dissipation window; The rainproof panel is open, the heat dissipation slots are unobstructed, and the heat inside the box is dissipated smoothly. Supported by the swing arm, the anti-debris block is located in the sliding cavity. Its top contacts the bottom of the counterweight block and its bottom contacts the top of the force block. The anti-debris block fills the space inside the track, effectively preventing dust and debris from falling in and keeping the track clean. S2: Fire Alarm Trigger and Initial Actions The sensor assembly inside the housing detects the fire and sends a fire signal to the winding motor. The winding motor starts and drives the winding rod to rotate, starting to release the curtain. At this time, because the anti-accumulation block blocks the falling path of the counterweight, the curtain cannot fall directly. However, the winding rod simultaneously winds up the pull rope, and the pull rope generates a downward pulling force on the storage shell through the guide wheel. This pulling force overcomes the elastic force of the first elastic telescopic rod, forcing the entire storage shell to move down along the window. When the storage shell moves down, it moves the slide plate fixed to it down together. The slide plate pulls the rainproof plate through the hinged telescopic rod, causing it to rotate around the pin axis to the inside of the heat dissipation groove and close. During the closing process, the rubber scraper at the end of the rainproof plate scrapes across the inner wall of the heat dissipation groove first to remove the accumulated dust. The scraped dust is discharged out of the box through the dust trough. Then, the first rubber pad at the bottom of the rainproof plate is finally pressed against the inner wall of the heat dissipation groove to form the first seal. As the storage shell moves downward, the connecting plate pushes the swing rod, which in turn pushes the anti-accumulation block to move away from the curtain slats, making way for the counterweight to fall. S3: Interlocking sealing and clamping After the anti-accumulation block is completely removed, the channel below the counterweight is unobstructed. Under the combined action of the counterweight's own weight and the continuous downward pull of the winding motor via the pull rope, the curtain quickly extends out of the storage shell, slides down along the slide, and finally covers the entire heat dissipation window, forming the second main seal. S4: Clamping mechanism triggered As the counterweight continues to fall, its bottom presses against the force-bearing block. The force-bearing block presses down, stretching the second elastic telescopic rod and causing the rack plate on it to move down. The rack plate meshes with the driven gear, causing the driven gear to rotate. The driven gear drives the stud to rotate through the cooperation of the internal guide bar and guide groove. Since the stud and the slide are threadedly connected, the rotation causes the stud to move in a straight line towards the window. The frame at the front end of the stud moves forward accordingly. The second rubber pad on the frame presses tightly against the outside of the curtain that has already covered the window, creating a huge static pressure between the curtain and the window, achieving the third-level active compression seal, enhancing the reliability of the seal, and reducing the oxygen content inside the box. S5: Once the sealing operation is completed, the control system inside the enclosure will immediately activate the fire extinguishing device. The extinguishing agent will be sprayed into the enclosure, which has now been sealed, through the nozzle and spray head for efficient fire extinguishing.

[0016] Compared with the prior art, the present invention provides an automatic rolling shutter door sealing mechanism, fire extinguishing device and method for energy storage containers, which has the following beneficial effects: 1. In this invention, a fully automatic fire response system is constructed by integrating a sensor assembly, a winding motor, curtain slats, a pull rope, and a counterweight. Once a fire is detected, the control system immediately instructs the winding motor to release the curtain slats. Under the acceleration of gravity of the counterweight and the traction of the pull rope, the curtain slats slide rapidly down the slide rail, completing the initial sealing of the heat dissipation window within seconds. This process requires no manual intervention, achieving a millisecond-level rapid response from fire detection to physical sealing, creating a sealed space for subsequent efficient fire extinguishing, and fundamentally solving the contradiction between ventilation and fire extinguishing. Its linkage sequence ensures rapid, reliable, and highly airtight sealing. Through mechanical linkage, a high degree of functional integration and efficient use of power are achieved. All actions of the linked components originate from the same power source, and the timing is guaranteed by the mechanical structure, resulting in higher reliability.

[0017] 2. In this invention, a three-stage progressive sealing system is implemented. The first stage is a rainproof panel seal: the storage shell moves downward and drives all rainproof panels to close synchronously via a sliding plate-hinged telescopic rod mechanism, with the first rubber pad on it pressing tightly against the window frame. The second stage is a curtain slat body seal: the curtain slat itself covers the entire window body to form a main barrier. The third stage is an active compression seal: the counterweight triggers a rack-and-gear mechanism, driving the stud to forcefully press the curtain slat against the frame and the second rubber pad. These three seals work sequentially in a coordinated manner, forming multiple layers of protection from the inside out and from static to dynamic, ensuring that the airtightness of the box can be maintained even in extreme situations, effectively preventing leakage. The three-stage sealing structure improves the airtightness of the box and reduces the leakage rate of the extinguishing agent.

[0018] 3. In this invention, during standby, the anti-accumulation block fills the sliding cavity at the bottom of the track under the support of the swing rod, effectively preventing debris from falling in. During operation, the storage shell moves down and first pushes the anti-accumulation block laterally away through the swing rod, making room for the counterweight block to be clean. At the same time, the rubber scraper during the closing process of the rainproof plate will scrape off the accumulated dust on the sealing surface of the heat dissipation groove and discharge it through the dust trough. The combination of track anti-blocking and sealing surface self-cleaning ensures that the mechanism can still be reliably started even after long-term idleness in dusty and humid environments, significantly improving the long-term working reliability in harsh outdoor environments. Compared with traditional fireproof roller shutters, the anti-accumulation block design of this application effectively reduces the curtain jamming rate.

[0019] 4. In this invention, the gravitational potential energy is converted into a pressing force on the curtain slats through a series of transmissions including the force-bearing block, rack and pinion, driven gear, and stud. Powered by a single winding motor, multiple actions such as closing the rainproof plate, removing the anti-accumulation debris block, lowering the curtain slats, and finally pressing are completed simultaneously. It is a designed and orderly action chain. Its core purpose is to solve technical problems that cannot be overcome by a single action, effectively reducing energy consumption and cost. The entire sealing process is completed by gravity and mechanical transmission, providing valuable redundancy and safety capabilities. Attached Figure Description

[0020] Figure 1 This is a schematic diagram of the external structure of the housing of the present invention; Figure 2 This is a schematic diagram of the internal structure of the housing of the present invention; Figure 3 This is a schematic diagram of the external structure of the heat dissipation window of the present invention; Figure 4 This is a schematic diagram of the internal structure of the heat dissipation window of the present invention; Figure 5 For the present invention Figure 4 Enlarged structural diagram of section A in the middle; Figure 6 This is a schematic diagram of the separation structure of the slide and the anti-accumulation block of the present invention; Figure 7This is a schematic diagram of the slide and the force-bearing block of the present invention; Figure 8 This is a schematic diagram of the driven gear and rack plate of the present invention; Figure 9 This is a schematic diagram of the slide and frame structure of the present invention; Figure 10 This is a schematic diagram of a partial cross-sectional structure of the slide rail of the present invention; Figure 11 This is a partial structural diagram of the window of the present invention. Figure 1 ; Figure 12 This is a partial structural diagram of the window of the present invention. Figure 2 ; Figure 13 This is a schematic diagram of the rainproof panel of the present invention when it is closed.

[0021] In the diagram: 1. Housing; 2. Ventilation window; 201. Window; 2011. Movable groove; 202. Ventilation groove; 203. Rainproof plate; 2031. First rubber pad; 2032. Rubber scraper; 3. Fireproof roller shutter; 301. Storage shell; 302. Winding rod; 303. Winding motor; 304. Pull rope; 305. Counterweight; 306. Drum; 4. Slide rail; 5. Curtain slats; 6. Guide wheel; 7. Support plate; 01. First elastic telescopic rod; 8. Slide plate; 801. Hinge telescopic rod; 9. Ash trough; 10. Anti-accumulation block; 11. Swing rod; 111. Connecting plate; 12. Stud; 121. Frame; 1211. Second rubber pad; 122. Driven gear; 1221. Guide bar; 123. Guide groove; 13. Force-bearing block; 131. Second elastic telescopic rod; 132. Rack plate; 14. Spray pipe; 141. Nozzle. Detailed Implementation

[0022] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments.

[0023] In the description of this invention, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this invention.

[0024] like Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 11 , Figure 12 and Figure 13 As shown, this embodiment proposes an automatic rolling shutter door sealing mechanism for an energy storage container, including a heat dissipation window 2 disposed on the container body 1. The heat dissipation window 2 includes: a window body 201, a fireproof rolling shutter 3, a slide rail 4, and an auxiliary closing component. The window body 201 is fixed on a slot in the container body 1, and the window body 201 is provided with a plurality of heat dissipation grooves 202. The heat dissipation grooves 202 should be equipped with dustproof nets to intercept particulate impurities. A rainproof plate 203 is provided at each heat dissipation groove 202 of the window body 201. The fireproof rolling shutter 3 is fixed on the window body 201 and is used to seal the heat dissipation grooves 202 on the window body 201. Two slide rails 4 are provided and symmetrically disposed on both sides of the window body 201 to guide the curtain slats 5 of the fireproof rolling shutter 3 to extend or retract. The curtain slats 5 should have fireproof and high temperature resistance properties. The auxiliary closing component is disposed on the window body 201 and is used to drive the rainproof plate 203 to seal the heat dissipation grooves 202. The auxiliary closing component is connected to the fireproof rolling shutter 3. Specifically, when the fire detection system inside the container detects a fire and sends a signal, the drive device of the fireproof roller shutter 3 receives the signal and starts. The fireproof roller shutter 3 begins to move, releasing the curtain slats 5. Under gravity or mechanical drive, the curtain slats 5 begin to move downward along the slides 4 on both sides. At the same time, since the auxiliary closing component is connected to the fireproof roller shutter 3, the movement of the roller shutter will be immediately transmitted to the auxiliary closing component. The auxiliary closing component converts the received movement into a force to drive the rainproof plate 203 to close. This component also acts on the rainproof plates 203 on all the heat dissipation slots 202, driving them to rotate around the hinge axis and synchronously change from the normally open ventilation state to the closed state, pre-sealing the heat dissipation slots 202. During the descent, the curtain slats 5 follow the closing action of the rainproof plate 203 and finally completely cover the surface of the window 201, forming one or more sealing layers together with the closed rainproof plate 203, completely and tightly sealing the heat dissipation window 2, creating a sealed environment for subsequent suffocation fire extinguishing, and improving fire safety. By using the auxiliary closing component, the single action of the fireproof roller shutter 3 is extended into a continuous and synchronous action of the rainproof plate 203 pre-closing and the main body of the curtain slat 5 sealing. This overcomes the defect that the single curtain slat 5 may not seal properly due to the complex window frame structure, forming a multi-seal effect and greatly improving the reliability and airtightness of the sealing. Furthermore, the functional components are integrated into the main body of the window 201 and its surroundings, resulting in a compact structure that does not occupy additional space inside the container. The entire sealing process is fully automated, requiring no manual intervention and responding rapidly, thus meeting the stringent requirements for speed in fire protection of energy storage containers. It should be noted that the sealing mechanism in the invention adopts a conventional mechanical structure, and the manufacturing and assembly of each component are feasible.

[0025] like Figure 4 , Figure 5 and Figure 6As shown, in a preferred embodiment, based on the above method, the fireproof roller shutter 3 further includes a storage shell 301 slidably disposed on the window 201, a winding rod 302 rotatably connected in the storage shell 301 and used for winding the curtain slats 5, a winding motor 303 fixedly disposed at one end of the storage shell 301 and used for driving the winding rod 302 to rotate, a pull cord 304 fixedly connected to the end of the curtain slats 5 away from the winding rod 302, and a counterweight 305 disposed on the pull cord 304, the counterweight 305 being slidably disposed in the slide rail 4; Specifically, when a fire alarm signal is received, the winding motor 303 starts, driving the winding rod 302 to rotate. The rotation of the winding rod 302 releases the curtain 5 wound on it. Since the end of the curtain 5 is connected to the counterweight 305 through the pull rope 304, under the action of the counterweight 305's own weight, it will move downward along the slide 4, thereby applying a downward pulling force to the curtain 5 through the pull rope 304, assisting the curtain 5 to overcome friction and smoothly and quickly unfold and fall from the storage shell 301, meeting the fire protection requirements for speed. The falling curtain 5 is guided by the slide 4 on both sides, ensuring that it can descend straight down, and finally completely cover the heat dissipation window 2 area, realizing the sealing function. After the fire is dealt with, the winding motor 303 rotates in the opposite direction, driving the winding rod 302 to retract the curtain 5. During the retraction process, the curtain 5 pulls the pull rope 304 and lifts the counterweight 305, causing it to slide upward along the slide 4 until all parts return to the initial retracted state.

[0026] like Figure 4 , Figure 5 , Figure 6 and Figure 11 As shown, in a preferred embodiment, based on the above method, a drum 306 is further provided on the winding rod 302, and the end of the pull rope 304 away from the curtain slat 5 is wound and connected to the drum 306. Several guide wheels 6 are fixed on the window body 201 and slidably connected to the pull rope 304. The guide wheels 6 are located on the lower side of the slide rail 4. The guide wheels 6 play the role of supporting and changing the direction of the pull rope 304. The pull rope 304 should be made of high temperature resistant and fireproof material. A support plate 7 is fixedly mounted on the window 201, and a first elastic telescopic rod 701 is fixedly mounted on the support plate 7. The first elastic telescopic rod 701 is a sleeve structure with an internal spring, and the end of the first elastic telescopic rod 701 away from the support plate 7 is fixedly connected to the storage shell 301. Furthermore, the slide 4 is set to L-shape. The L-shaped slide 4 and the inner wall of the window 201 form a sliding cavity for the counterweight 305 to slide. This cavity is mainly used to provide guidance for the counterweight 305. The sliding cavity is equipped with an anti-accumulation block 10 that is slidably connected to the slide 4. The fixed dust cover cannot solve the problem of unobstructed passage at the moment of action, but may increase the risk of jamming. The dynamic yielding mechanism of the anti-accumulation block 10 is the key to ensuring the reliable fall of the counterweight 305. Both sides of the storage shell 301 are hinged with swing rods 11 via connecting plates 111. The end of the swing rod 11 away from the storage shell 301 is connected to the anti-accumulation block 10 on the same side via a pivot. Specifically, in a non-fire state, the anti-accumulation block 10 is located in the sliding cavity. Its existence physically fills the space of the cavity, effectively preventing dust, debris, insects, etc. from falling into the critical movement path of the counterweight block 305. This physical isolation method of occupying and blocking solves the risk that the curtain slat 5 does not need to move down due to accumulation of debris in the outdoor mechanism, and ensures that the mechanism can still operate reliably after long-term idleness. When the winding motor 303 receives a fire alarm signal and starts, it drives the winding rod 302 to rotate. This rotation includes two actions: releasing the wound curtain 5 and simultaneously winding the pull rope 304 on the drum 306. After the pull rope 304 is led out from the drum 306, it passes around the guide wheel 6 located on the lower side of the slide rail 4, changes direction, and connects upward to the end of the curtain 5. The guide wheel 6 ensures that the pull rope 304 is subjected to reasonable force and moves smoothly during winding and unwinding, avoiding friction and interference with other components. In the initial stage of the rotation of the winding rod 302, due to the winding... When the cylinder 306 winds up the pull rope 304, it will generate an upward pulling force on the storage shell 301. At the same time, its weight and the weight of the counterweight 305 will exert a downward force on the storage shell 301. Since the curtain 5 is being released but is restricted from moving downward by the anti-accumulation block 10, at this time, the first elastic telescopic rod 701 connecting the storage shell 301 and the window 201 will balance or respond to these forces according to its preset elasticity, allowing the storage shell 301 to move relative to the window 201, thereby coordinating the initial action of the entire system. The upward displacement of the storage shell 301 is converted into a force on the anti-accumulation block 10 through the linkage mechanism composed of the connecting plates 111 on both sides and the swing rod 11. The anti-accumulation block 10 is pushed and moves to the side in the sliding cavity, opening up the falling channel under the counterweight block 305. This optimizes the action sequence and ensures smooth falling. With the anti-accumulation block 10 making way, the counterweight block 305, which was previously blocked or restricted by it, falls freely and smoothly along the now unobstructed sliding cavity under the action of gravity. Thus, the curtain 5 is pulled by the pull rope 304 to complete the blockage.

[0027] like Figure 3 , Figure 11 , Figure 12 and Figure 13 As shown, in a preferred embodiment, based on the above method, the auxiliary closing component further includes a slide plate 8 fixedly connected to the storage shell 301 and slidably connected to the window 201, and a hinged telescopic rod 801 hinged between the slide plate 8 and the rainproof plate 203. The window 201 is provided with an active groove 2011 for the movement of the hinged telescopic rod 801. Each rainproof plate 203 is rotatably connected to the inner wall of the heat dissipation groove 202 via a pin, and a first rubber pad 2031 is provided at the bottom of the rainproof plate 203 to move against the inner wall of the heat dissipation groove 202. Furthermore, the end of the rainproof plate 203 is provided with a rubber scraper 2032. The rubber scraper 2032 and the first rubber pad 2031 are made of high temperature resistant, fireproof and wear-resistant material. The window 201 has a dust collection trough 9 at the bottom of the heat dissipation groove 202 that is connected to the heat dissipation groove 202. The bottom of the movable groove 2011 is connected to the dust collection trough 9. Specifically, when a fire is triggered, the storage shell 301 begins to move under the action of the pull rope 304, causing the fixed sliding plate 8 to slide together on the window 201. The angle of the hinged telescopic rod 801 changes and automatically extends and retracts during this period. The downward movement of the sliding plate 8 transmits power through the hinged telescopic rod 801. The hinged telescopic rod 801 pulls the rainproof plate 203 to rotate around its pin, causing it to rotate and close from its normal open state towards the inside of the heat dissipation groove 202. During the closing and rotation of the rainproof plate 203, the rubber scraper 2032 at its end will first scrape across the side wall and inner wall of the heat dissipation groove 202, removing the dust and dirt attached to it, thus solving the problem of sealing caused by long-term outdoor dust accumulation. The lack of a tight seal ensures that the first rubber pad 2031 can contact the clean sealing surface, thereby achieving the expected sealing effect. The dust and debris scraped off fall into the dust collection trough 9 through the bottom of the movable groove 2011 under the action of gravity, and are eventually discharged outside the box, preventing them from accumulating inside the mechanism and affecting the normal operation of other components or causing secondary pollution. Subsequently, the rainproof plate 203 continues to close until the first rubber pad 2031 at its bottom is tightly pressed against the inner wall of the heat dissipation groove 202, forming an effective seal, which greatly improves the reliability and airtightness of the overall sealing of the box 1. Dust accumulation and blockage may occur in the dust collection trough 9 after long-term use, but this risk can be avoided by regular cleaning.

[0028] like Figures 3-10 As shown, in a preferred embodiment, based on the above method, further, studs 12 are threadedly connected to the slide rails 4 on both sides of the window 201. The end of the stud 12 is provided with a frame 121 that moves against the curtain slat 5. A second rubber pad 1211 is provided on the frame 121. The second rubber pad 1211 is made of fireproof and high temperature resistant material and is arranged along the frame 121. A driven gear 122 that is rotatably connected to the stud 12 is slidably provided in the slide rail 4. A force-bearing block 13 that moves against the counterweight 305 is slidably provided at the bottom of the slide rail 4. A second elastic telescopic rod 131 is provided between the force-bearing block 13 and the slide rail 4. A rack plate 132 that meshes with the driven gear 122 is also provided on the force-bearing block 13. A guide bar 1221 is fixedly provided on the inner side wall of the driven gear 122, and a guide groove 123 that cooperates with the guide bar 1221 is provided on the stud 12; Furthermore, when the fireproof roller shutter 3 has not had its heat dissipation grooves 202 sealed: The two outer walls of the anti-accumulation block 10 are respectively attached to the inner wall of the window 201 and the inner wall of the slide 4. The top of the anti-accumulation block 10 is in contact with the bottom of the counterweight block 305, and the bottom of the anti-accumulation block 10 is in contact with the top of the force-bearing block 13. Specifically, in the non-working state, the anti-accumulation block 10 is in the middle position in the sliding cavity, with the counterweight 305 supported on top, keeping it at the standby height; its bottom abuts against the top of the force-bearing block 13, and the rack plate 132 and the driven gear 122 are in a meshed position without triggering the transmission; when a fire occurs, with the initial movement of the storage shell 301, the anti-accumulation block 10 is pushed away from its original position through the linkage mechanism. After the anti-accumulation block 10 is removed, the counterweight 305 falls freely along the slide 4. When the counterweight 305 falls to the bottom of the slide 4, it contacts the top of the force-bearing block 13 and continues to press down. The force-bearing block 13 is pressed down, causing the rack plate 132 on it to move downward in a straight line. The rack plate 132 drives the driven gear 122 meshing with it to rotate. The driven gear 122 connects with the guide groove 123 on the stud 12 through the guide bar 1221 inside it. The rotational motion is transmitted to the stud 12. Since the stud 12 and the slide 4 are connected by threads, the rotational motion is converted into linear motion, driving the stud 12 to move along with the frame 121 and the second rubber pad 1211 towards the curtain 5, and finally press tightly against the curtain 5 to achieve final compression and sealing. The compression action does not require an additional electric or hydraulic power source. It uses the kinetic energy of the counterweight 305 falling to the end point to convert the downward impact force into lateral static pressure on the curtain 5. Moreover, the compression action can effectively compensate for the slight deformation of the box 1 or the window 201, ensuring that the sealing interface still maintains extremely high airtightness when fluctuations occur due to temperature and pressure changes during the fire extinguishing process inside the box, thereby significantly improving the fire extinguishing efficiency. The threaded connection of the stud 12 may rust and jam in the outdoor environment, but this risk can be avoided by anti-rust treatment, and stainless steel can be used.

[0029] like Figure 1 and Figure 2 As shown, this embodiment proposes a fire extinguishing device, including the aforementioned automatic rolling shutter door sealing mechanism for an energy storage container, and also includes a nozzle 14 arranged on the inner wall of the container 1 and a plurality of nozzles 141 equidistantly arranged on the nozzle 14 to ensure that the fire extinguishing agent can uniformly cover the protected area. The nozzle 14 is connected to the fire extinguishing powder supply equipment through a pipeline. The housing 1 is equipped with a sensor assembly for monitoring fire conditions. The sensor assembly includes a smoke sensor, a temperature sensor, and a combustible gas detection sensor. It can capture fire characteristics (smoldering smoke, open flame high temperature, battery leakage gas) from different dimensions, significantly reducing the false alarm rate and enabling earlier fire warnings, thus buying valuable time for subsequent fire fighting operations. Specifically, the sensor assembly (smoke, temperature, and combustible gas sensors) continuously monitors the environment inside the container. When any sensor detects that a preset danger threshold has been reached, it indicates that a fire has occurred. The sensor assembly immediately sends a fire alarm signal to the control system of the device. The control system inside the container 1 is existing technology and will not be described in detail here. After receiving the fire alarm signal, the control system first automatically activates the automatic rolling shutter door sealing mechanism of the energy storage container. This mechanism operates according to the predetermined program of the above embodiment, driving the fireproof rolling shutter 3 and the rainproof plate 203 to close quickly, tightly sealing the heat dissipation window 2 on the container 1, so that the container 1 forms a relatively closed space. After confirming that the sealing action is completed, the control system immediately sends a command to the fire extinguishing powder supply equipment. The fire extinguishing equipment is activated, and the fire extinguishing agent (such as fire extinguishing powder) is transported to the nozzle 14 through the pipeline. Finally, it is evenly sprayed from each nozzle 141, spreading throughout the entire sealed space of the container 1, implementing asphyxiation and chemical suppression fire extinguishing. It integrates fire detection, rapid and reliable physical containment, and efficient fire extinguishing, realizing fully automated processing from fire detection to fire extinguishing. It responds quickly, requires no human intervention, and greatly improves the safety level and fire-fighting efficiency of energy storage containers. The sealed internal environment of the container effectively prevents the extinguishing agent from leaking out of the ventilation openings and also prevents fresh air from entering and fueling the fire. This quickly reduces the oxygen concentration inside the container, significantly improves the extinguishing efficiency of the extinguishing agent, and ensures that the fire can be quickly suppressed and extinguished.

[0030] The present invention also discloses a method of using the fire extinguishing device described above, comprising the following steps: S1: Normal heat dissipation standby state The curtain slats 5 of the fireproof roller shutter 3 are rolled up in the storage shell 301 by the winding rod 302 so as not to affect the ventilation area of ​​the heat dissipation window 2. With the rainproof panel 203 in the open position, the heat dissipation slot 202 is unobstructed, and the heat inside the box is dissipated smoothly. Supported by the swing arm 11, the anti-debris block 10 is located in the sliding cavity. Its top is in contact with the bottom of the counterweight block 305 and its bottom is in contact with the top of the force block 13. The anti-debris block 10 fills the space inside the track, effectively preventing dust and debris from falling in and keeping the track clean. S2: Fire Alarm Trigger and Initial Actions The sensor assembly inside the housing 1 detects a fire and sends a fire signal to the winding motor 303. The winding motor 303 starts and drives the winding rod 302 to rotate, and begins to release the curtain 5. Since the anti-accumulation block 10 blocks the falling path of the counterweight block 305, the curtain 5 cannot fall directly. However, the winding rod 302 simultaneously winds up the pull rope 304. The pull rope 304 generates a downward pulling force on the storage shell 301 through the guide wheel 6. This pulling force overcomes the elastic force of the first elastic telescopic rod 701, forcing the entire storage shell 301 to move down along the window 201. When the storage shell 301 moves down, it moves the slide plate 8 fixed thereto down as well. The slide plate 8 pulls the rainproof plate 203 through the hinged telescopic rod 801, causing it to rotate around the pin axis and close inside the heat dissipation groove 202. During the closing process, the rubber scraper 2032 at the end of the rainproof plate 203 first scrapes across the inner wall of the heat dissipation groove 202 to remove the accumulated dust. The scraped dust is discharged outside the box through the dust trough 9. Then, the first rubber pad 2031 at the bottom of the rainproof plate 203 finally presses against the inner wall of the heat dissipation groove 202 to form the first seal. As the storage shell 301 moves downward, the connecting plate 111 pushes the swing rod 11, which in turn pushes the anti-accumulation block 10 to move away from the curtain slat 5, making way for the counterweight block 305 to fall. S3: Interlocking sealing and clamping After the anti-accumulation block 10 is completely removed, the lower channel of the counterweight block 305 is unobstructed. Under the combined action of the counterweight block 305's own weight and the continuous downward pulling of the winding motor 303 through the pull rope 304, the curtain 5 quickly extends out of the storage shell 301, slides down along the slide rail 4, and finally covers the entire heat dissipation window 2, forming the second main seal. S4: Clamping mechanism triggered As the counterweight 305 continues to fall, its bottom presses against the force-bearing block 13. The force-bearing block 13 presses down, stretching the second elastic telescopic rod 131 and causing the rack plate 132 on it to move down. The rack plate 132 meshes with the driven gear 122, causing the driven gear 122 to rotate. The driven gear 122 drives the stud 12 to rotate through the cooperation of the internal guide bar 1221 and guide groove 123. Since the stud 12 and the slide 4 are threadedly connected, the rotation causes the stud 12 to move straight forward toward the window 201. The frame 121 at the front end of the stud 12 moves forward accordingly. The second rubber pad 1211 on the frame 121 tightly presses against the outside of the curtain 5 that is already covered inside the window 201, so that a huge static pressure is generated between the curtain 5 and the window 201, realizing the third-level active compression seal, enhancing the reliability of the seal, and reducing the oxygen content inside the box 1. S5: After the entire sealing operation is completed, the control system inside the container 1 immediately activates the fire extinguishing device. The fire extinguishing agent is sprayed into the container 1, which has now formed a sealed space, through the nozzle 14 and the nozzle 141 to carry out efficient fire extinguishing.

[0031] The accompanying drawings in this application are for illustrative purposes only. The dimensions and shapes of the components shown are not actual limitations but are merely schematic representations. In actual implementation, the components can be reasonably configured and adjusted according to specific needs and actual conditions.

[0032] The above description is only a preferred embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any equivalent substitutions or modifications made by those skilled in the art within the scope of the technology disclosed in the present invention, based on the technical solution and inventive concept of the present invention, should be covered within the scope of protection of the present invention.

Claims

1. An automatic rolling shutter door sealing mechanism for an energy storage container, comprising a heat dissipation window (2) disposed on the container body (1), characterized in that, The heat dissipation window (2) includes: A window (201) is fixed on a slot in the box (1). The window (201) is provided with a number of heat dissipation slots (202). A rainproof plate (203) is provided at each heat dissipation slot (202) of the window (201). Fireproof roller shutter (3), the fireproof roller shutter (3) is fixed on the window (201) and is used to block the heat dissipation groove (202) on the window (201). And slide rails (4), two slide rails (4) are provided and symmetrically arranged on both sides of the window (201) to guide the curtain slats (5) of the fireproof roller shutter (3) to extend or retract; And an auxiliary closing component, which is disposed on the window (201) and used to drive the rainproof plate (203) to block the heat dissipation groove (202), and the auxiliary closing component is connected to the fireproof roller shutter (3).

2. The automatic rolling shutter door sealing mechanism for an energy storage container according to claim 1, characterized in that, The fireproof roller shutter (3) includes a storage shell (301) slidably disposed on the window body (201), a winding rod (302) rotatably connected in the storage shell (301) and used to wind up the curtain slats (5), a winding motor (303) fixed at one end of the storage shell (301) and used to drive the winding rod (302) to rotate, a pull rope (304) fixedly connected to the end of the curtain slats (5) away from the winding rod (302), and a counterweight (305) disposed on the pull rope (304). The counterweight (305) is slidably disposed in the slide rail (4).

3. The automatic rolling shutter door sealing mechanism for an energy storage container according to claim 2, characterized in that, The winding rod (302) is also provided with a drum (306), and the end of the pull rope (304) away from the curtain (5) is wound and connected to the drum (306). Several guide wheels (6) that are slidably connected to the pull rope (304) are fixed on the window (201). The guide wheels (6) are located on the lower side of the slide (4). A support plate (7) is fixedly provided on the window (201), and a first elastic telescopic rod (701) is fixedly provided on the support plate (7). The end of the first elastic telescopic rod (701) away from the support plate (7) is fixedly connected to the storage shell (301).

4. The automatic rolling shutter door sealing mechanism for an energy storage container according to claim 3, characterized in that, The auxiliary closing assembly includes a sliding plate (8) fixedly connected to the storage shell (301) and slidably connected to the window (201) and a hinged telescopic rod (801) hinged between the sliding plate (8) and the rainproof plate (203). The window (201) is provided with an active groove (2011) for the movement of the hinged telescopic rod (801). Each of the rainproof plates (203) is rotatably connected to the inner wall of the heat dissipation groove (202) via a pin, and the bottom of the rainproof plate (203) is provided with a first rubber pad (2031) that moves against the inner wall of the heat dissipation groove (202).

5. The automatic rolling shutter door sealing mechanism for an energy storage container according to claim 4, characterized in that, The end of the rainproof plate (203) is provided with a rubber scraper (2032), and the window (201) has a dust collection trough (9) connected to the heat dissipation trough (202) at the bottom of the heat dissipation trough (202). The bottom of the movable groove (2011) is connected to the dust collection trough (9).

6. The automatic rolling shutter door sealing mechanism for an energy storage container according to claim 5, characterized in that, The slide (4) is L-shaped. The L-shaped slide (4) and the inner wall of the window (201) enclose a sliding cavity for the sliding of the counterweight (305). The sliding cavity is provided with an anti-accumulation block (10) that is slidably connected to the slide (4). Both sides of the storage shell (301) are hinged with swing rods (11) via connecting plates (111). The end of the swing rod (11) away from the storage shell (301) is connected to the anti-accumulation block (10) on the same side via a rotating shaft.

7. The automatic rolling shutter door sealing mechanism for an energy storage container according to claim 6, characterized in that, The slide rails (4) on both sides of the window (201) are threaded with studs (12). The end of the stud (12) is provided with a frame (121) that moves against the curtain (5). The frame (121) is provided with a second rubber pad (1211). The slide rail (4) is rotatably provided with a driven gear (122) that is slidably connected to the stud (12). The bottom of the slide rail (4) is slidably provided with a force block (13) that moves against the counterweight (305). A second elastic telescopic rod (131) is provided between the force block (13) and the slide rail (4). The force block (13) is also provided with a rack plate (132) that meshes with the driven gear (122). The inner wall of the driven gear (122) is fixed with a guide bar (1221), and the stud (12) is provided with a guide groove (123) that cooperates with the guide bar (1221).

8. The automatic rolling shutter door sealing mechanism for an energy storage container according to claim 7, characterized in that, When the fireproof roller shutter (3) has not had its heat dissipation groove (202) sealed: The outer walls of the anti-accumulation block (10) are respectively attached to the inner wall of the window (201) and the inner wall of the slide (4). The top of the anti-accumulation block (10) is in contact with the bottom of the counterweight block (305), and the bottom of the anti-accumulation block (10) is in contact with the top of the force block (13).

9. A fire extinguishing device, comprising the automatic rolling shutter door sealing mechanism for an energy storage container as described in claim 8, characterized in that, It also includes a nozzle (14) installed on the inner wall of the box (1) and a number of nozzles (141) equidistantly arranged on the nozzle (14), wherein the nozzle (14) is connected to the fire extinguishing powder supply equipment through a pipeline; The housing (1) is equipped with a sensor assembly for monitoring fire conditions, which includes a smoke sensor, a temperature sensor, and a combustible gas detection sensor.

10. A method of using the fire extinguishing device according to claim 9, characterized in that, Includes the following steps: S1: Normal heat dissipation standby state The curtain slats (5) of the fireproof roller shutter (3) are rolled up in the storage shell (301) by the winding rod (302) so that they do not affect the ventilation area of ​​the heat dissipation window (2); With the rainproof panel (203) open, the heat dissipation slot (202) is unobstructed, and the heat inside the box is dissipated smoothly; Supported by the swing arm (11), the anti-accumulation block (10) is located in the sliding cavity. Its top is in contact with the bottom of the counterweight block (305), and its bottom is in contact with the top of the force block (13). The anti-accumulation block (10) fills the space inside the track, effectively preventing dust and debris from falling in and keeping the track clean. S2: Fire Alarm Trigger and Initial Actions The sensor assembly inside the housing (1) detects the fire and sends a fire signal to the winding motor (303). The winding motor (303) starts and drives the winding rod (302) to rotate, and begins to release the curtain (5). Since the anti-accumulation block (10) blocks the falling path of the counterweight (305), the curtain (5) cannot fall directly. However, the winding rod (302) simultaneously winds up the pull rope (304). The pull rope (304) generates a downward pulling force on the storage shell (301) through the guide wheel (6). This pulling force overcomes the elastic force of the first elastic telescopic rod (701) and forces the entire storage shell (301) to move down along the window (201). When the storage shell (301) moves down, it drives the slide plate (8) fixed thereto to move down together. The slide plate (8) pulls the rainproof plate (203) through the hinged telescopic rod (801), so that it rotates around the pin axis to close the heat dissipation groove (202). During the closing process, the rubber scraper (2032) at the end of the rainproof plate (203) scrapes the inner wall of the heat dissipation groove (202) first to remove the accumulated dust. The scraped dust is discharged out of the box through the dust collection trough (9). Then the first rubber pad (2031) at the bottom of the rainproof plate (203) is finally pressed against the inner wall of the heat dissipation groove (202) to form the first seal. As the storage shell (301) moves down, the swing rod (11) is pushed by the connecting plate (111). The swing rod (11) pushes the anti-accumulation block (10) to move away from the curtain slat (5), making way for the counterweight (305) to fall. S3: Interlocking sealing and clamping After the anti-accumulation block (10) is completely removed, the lower channel of the counterweight (305) is unobstructed. Under the combined action of the counterweight (305) itself and the continuous downward pull of the winding motor (303) through the pull rope (304), the curtain (5) quickly extends out from the storage shell (301), slides down along the slide (4), and finally covers the entire heat dissipation window (2), forming the second main seal. S4: Clamping mechanism triggered As the counterweight (305) continues to fall, its bottom presses against the load-bearing block (13). The force block (13) presses down, stretches the second elastic telescopic rod (131), and drives the rack plate (132) on it to move down. The rack plate (132) meshes with the driven gear (122), driving the driven gear (122) to rotate. The driven gear (122) drives the stud (12) to rotate through the cooperation of the internal guide bar (1221) and guide groove (123). Since the stud (12) and the slide (4) are threaded, the rotation causes the stud (12) to move straight forward towards the window (201). The frame (121) at the front end of the stud (12) moves forward accordingly. The second rubber pad (1211) on the frame (121) presses tightly against the outside of the curtain (5) that has been covered inside the window (201), so that a huge static pressure is generated between the curtain (5) and the window (201), realizing the third-level active compression seal, enhancing the reliability of the seal, and reducing the oxygen content inside the box (1). S5: After the entire sealing action is completed, the control system inside the box (1) immediately activates the fire extinguishing device. The fire extinguishing agent is sprayed into the box (1) which has formed a sealed space through the nozzle (14) and the nozzle (141) to carry out efficient fire extinguishing.

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