Split type anti-explosion lead-acid battery energy storage device
By employing a segmented design and automatic isolation and ventilation mechanisms, the spontaneous combustion hazard of lead-acid battery energy storage devices has been eliminated, achieving both enhanced safety and extended lifespan.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- ANHUI ZHONGNENG POWER SUPPLY CO LTD
- Filing Date
- 2025-07-16
- Publication Date
- 2026-07-07
AI Technical Summary
Existing lead-acid battery energy storage devices suffer from low heat dissipation efficiency due to their overall encapsulation structure, making them prone to overheating and spontaneous combustion. Furthermore, the lack of a rapid separation mechanism leads to the spread of flames, increasing safety hazards.
It adopts a segmented design, combining automatic door closing, isolation and ventilation mechanisms. It uses temperature-sensitive switches and cylinder push rods to automatically isolate overheated batteries, and dissipates heat through ventilation ducts and fan blades to prevent fire spread and excessive temperature.
It achieves rapid isolation of overheated batteries, prevents the spread of spontaneous combustion, ensures device safety, and extends battery life and reduces the risk of spontaneous combustion through effective heat dissipation.
Smart Images
Figure CN224472597U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of lead-acid battery energy storage technology, specifically to a segmented, self-igniting-proof lead-acid battery energy storage device. Background Technology
[0002] Lead-acid battery energy storage devices are widely used in the energy storage field due to their low cost and mature technology. However, most existing devices adopt an integrated encapsulated structure, and the dense arrangement of battery packs leads to low heat dissipation efficiency. During long-term operation, overcharging, short circuits, and other factors can easily cause localized overheating, increasing the risk of spontaneous combustion. More importantly, when a single battery overheats and burns, there is a lack of a rapid isolation mechanism. The flames and high temperatures can easily spread to adjacent normal batteries, triggering a chain reaction of fires, expanding the scale of the accident, and seriously threatening the safety of the equipment and the surrounding environment. Therefore, it is necessary to address this safety hazard.
[0003] Patent publication number CN206226105U discloses a solar-powered lead-acid battery energy storage device, including a housing. Battery fluid is stored inside the housing. A buzzer is fixedly installed on the top of the housing. An alarm light is fixedly installed on the top of the housing to the right of the buzzer. A function controller is fixedly installed on the top right side of the housing. A power socket is fixedly installed on the bottom right side of the housing. A solar controller is fixedly installed on the top left side of the housing. A connecting rod is fixedly connected to the left side of the solar controller. A solar receiving panel is fixedly connected to the end of the connecting rod furthest from the solar controller. A microprocessor is fixedly installed on the bottom left side of the housing. A converter charger is fixedly installed on the top left side of the inner wall of the housing.
[0004] To address the problem that relying solely on artificial power generation to charge and store lead-acid batteries consumes significant amounts of electricity and is inconvenient, existing technologies use solar energy to convert it into electrical energy. However, this method still presents the problem of failing to promptly separate burning batteries from normal ones when they overheat and catch fire, potentially leading to the ignition of normal batteries as well. Utility Model Content
[0005] The purpose of this invention is to provide a segmented, self-igniting lead-acid battery energy storage device to solve the problems mentioned in the background art.
[0006] To solve the above-mentioned technical problems, the technical solution adopted by this utility model is as follows:
[0007] The device includes a base, a housing fixedly connected to the top of the base, a partition fixedly connected to the inside of the housing, the partition dividing the inside of the housing into multiple compartments, a baffle fixedly connected to the inside of each compartment, a riser fixedly connected to the back of the baffle, a cylinder fixedly connected to the top of the riser, the output end of the cylinder extending through the baffle to the front side of the baffle, a push rod fixedly connected to the output end of the cylinder, a lead-acid battery disposed on the front of the push rod, and a temperature sensor fixedly connected to the surface of the partition, the temperature sensor being electrically connected to the cylinder.
[0008] It also includes an automatic door closing mechanism, an isolation mechanism, and a ventilation mechanism;
[0009] The automatic cabinet door closing mechanism is used to keep the device in a closed state at all times;
[0010] The isolation mechanism is used to seal the battery that is overheating to prevent the fire from spreading.
[0011] The ventilation mechanism is used to ventilate and dissipate heat from the battery.
[0012] A further improvement of this utility model is that: an outer cabinet door is hinged to the front of the outer shell, a handle is fixedly connected to the front of the outer cabinet door, and the partition is made of fireproof material.
[0013] A further improvement of this utility model is that: a sliding groove is provided at the bottom of the push rod, a lead-acid battery is fixedly connected to the surface of the partition, and the lead-acid battery is movably connected to the top of the slide rail.
[0014] A further improvement of the present invention is that the automatic cabinet door closing mechanism includes an inner cabinet door, which is hinged to the front of the partition. Connecting blocks are fixedly connected to the surfaces of the inner cabinet door and the partition. There are two connecting blocks. A rotating shaft is rotatably connected to the connection point of the two connecting blocks. A torsion spring is inserted into the outside of the rotating shaft. The two ends of the torsion spring are fixedly connected to the two connecting blocks respectively.
[0015] A further improvement of this utility model is that: the isolation mechanism includes an isolation chamber, which is fixedly connected to the inside of the base; a movable cover plate is movably connected to the top of the isolation chamber; the movable cover plate is disposed on the front of the outer shell; a spring telescopic rod is hinged to the bottom of the movable cover plate; one end of the spring telescopic rod away from the movable cover plate is hinged to the surface of the isolation chamber; a guide slope is fixedly connected to the bottom of the inner wall of the isolation chamber; the guide slope slopes downward from front to back; and the guide slope is disposed at the bottom of the movable cover plate.
[0016] A further improvement of the present invention is that the ventilation mechanism includes a ventilation duct and an air inlet slot. The ventilation duct is fixedly connected to the back of the partition plate. The ventilation duct extends through the top of the base and into the outside of the base. A vent hole is fixedly connected to the top of the ventilation duct. A top cover is fixedly connected to the top of the vent hole. A motor is fixedly connected to the bottom of the top cover. A fan blade is fixedly connected to the output end of the motor. The air inlet slot is opened on the surface of the outer shell.
[0017] Due to the adoption of the above technical solution, the technological progress achieved by this utility model compared to the prior art is as follows:
[0018] 1. This utility model provides a segmented, self-igniting lead-acid battery energy storage device. It employs a base, outer shell, partition, outer cabinet door, handle, baffle, inner cabinet door, connecting block, rotating shaft, torsion spring, heightening seat, cylinder, push rod, lead-acid battery, slide rail, temperature sensor switch, isolation chamber, movable cover, spring telescopic rod, and guide slope in coordination. By opening the inner cabinet door, the torsion spring twists, aligning the lead-acid battery with the slide rail. When the inner cabinet door is released, the torsion spring automatically rebounds, thus automatically closing the door. The lead-acid battery is then inserted, and the temperature sensor switch detects the internal temperature. When the temperature exceeds a set threshold, the temperature sensor switch is energized, activating the cylinder. The cylinder extends rapidly, pushing out the lead-acid battery via the push rod. The battery's inertia forces it open the inner cabinet door, and due to gravity, it falls onto the top of the movable cover. Its gravity then compresses the spring telescopic rod, causing the movable cover to tilt downwards, allowing the lead-acid battery to fall into the isolation chamber for isolation. This prevents the lead-acid battery from exploding and spreading to other lead-acid batteries, improving the device's safety.
[0019] 2. This utility model provides a segmented, self-igniting lead-acid battery energy storage device that uses a combination of ventilation ducts, vents, a top cover, a motor, fan blades, and an air inlet slot. By starting the motor, the fan blades are rotated, thereby blowing air from inside the ventilation duct into the outside of the device. The air pressure inside the device decreases, and the outside air enters the device from the air inlet slot due to pressure. The air exchanges heat as it passes through the lead-acid battery, and then the heated air is discharged through the ventilation duct. This avoids excessive temperature that could cause plate deformation, active material shedding, and rapid evaporation of the electrolyte, thus preventing battery damage and shortening its lifespan, and ensuring safety during use. Attached Figure Description
[0020] Figure 1 This is a three-dimensional structural diagram of the segmented, self-igniting lead-acid battery energy storage device of this utility model.
[0021] Figure 2 This is a schematic diagram of the internal structure of the outer shell of this utility model;
[0022] Figure 3 This is an enlarged structural diagram of point A in this utility model;
[0023] Figure 4 This is a schematic diagram of the ventilation mechanism of this utility model;
[0024] Figure 5 This is a schematic diagram of the top structure of the ventilation mechanism of this utility model.
[0025] In the diagram: 2. Automatic cabinet door closing mechanism; 4. Isolation mechanism; 5. Ventilation mechanism; 11. Base; 12. Outer shell; 13. Partition; 14. Outer cabinet door; 15. Handle; 16. Baffle; 21. Inner cabinet door; 22. Connecting block; 23. Rotating shaft; 24. Torsion spring; 31. Raising seat; 32. Cylinder; 33. Push rod; 34. Lead-acid battery; 35. Slide rail; 36. Temperature sensor switch; 41. Isolation chamber; 42. Movable cover; 43. Spring telescopic rod; 44. Guide slope; 51. Ventilation duct; 52. Ventilation hole; 53. Top cover; 54. Motor; 55. Fan blade; 56. Air inlet slot. Detailed Implementation
[0026] The present invention will be further described in detail below with reference to embodiments:
[0027] Example 1
[0028] like Figure 1-5As shown, this utility model provides a segmented, self-igniting lead-acid battery energy storage device, including a base 11, a shell 12 fixedly connected to the top of the base 11, a partition 13 fixedly connected inside the shell 12, the partition 13 dividing the interior of the shell 12 into multiple compartments, a baffle 16 fixedly connected inside each compartment of the shell 12, a riser 31 fixedly connected to the back of the baffle 16, a cylinder 32 fixedly connected to the top of the riser 31, the output end of the cylinder 32 extending through the baffle 16 to the front side of the baffle 16, a push rod 33 fixedly connected to the output end of the cylinder 32, a lead-acid battery 34 disposed on the front of the push rod 33, a temperature sensor 36 fixedly connected to the surface of the partition 13, the temperature sensor 36 being electrically connected to the cylinder 32; it also includes an automatic door closing mechanism 2, an isolation mechanism 4, and a ventilation mechanism 5; the automatic door closing mechanism 2 is used to keep the device in a closed state at all times; the isolation mechanism 4 is used to seal the battery with excessively high temperature to prevent the spread of fire; the ventilation mechanism 5 is used to ventilate and dissipate heat from the battery. The outer cabinet 12 has an outer cabinet door 14 hinged to its front, and a handle 15 fixedly connected to the front of the outer cabinet door 14. The partition 13 is made of fireproof material. A sliding groove is provided at the bottom of the push rod 33, and a lead-acid battery 34 is fixedly connected to the surface of the partition 13. The lead-acid battery 34 is movably connected to the top of the slide rail 35. The automatic cabinet door closing mechanism 2 includes an inner cabinet door 21, which is hinged to the front of the partition 13. Connecting blocks 22 are fixedly connected to the surfaces of both the inner cabinet door 21 and the partition 13. There are two connecting blocks 22, and a rotating shaft 23 is rotatably connected to the connection point of the two connecting blocks 22. A torsion spring 24 is inserted into the outside of the rotating shaft 23, and the two ends of the torsion spring 24 are fixedly connected to the two connecting blocks 22 respectively. The isolation mechanism 4 includes an isolation chamber 41, which is fixedly connected to the inside of the base 11. A movable cover plate 42 is movably connected to the top of the isolation chamber 41. The movable cover plate 42 is located on the front of the outer shell 12. A spring telescopic rod 43 is hinged to the bottom of the movable cover plate 42. The end of the spring telescopic rod 43 away from the movable cover plate 42 is hinged to the surface of the isolation chamber 41. A guide slope 44 is fixedly connected to the bottom of the inner wall of the isolation chamber 41. The guide slope 44 slopes downward from front to back and is located at the bottom of the movable cover plate 42.
[0029] In this embodiment, by pulling open the inner cabinet door 21, the torsion spring 24 twists, and then the lead-acid battery 34 is aligned with the slide rail 35. When the inner cabinet door 21 is released, the torsion spring 24 automatically rebounds, thereby achieving automatic door closing. Then, the lead-acid battery 34 is inserted, and the internal temperature is detected by the temperature sensor 36. When the temperature is higher than the set threshold, the temperature sensor 36 is energized, and the cylinder 32 is activated. The cylinder 32 extends quickly and pushes out the lead-acid battery 34 through the push rod 33. The inertia of the lead-acid battery 34 pushes open the inner cabinet door 21, and then falls to the top of the movable cover plate 42 due to gravity. Then, its gravity compresses the spring telescopic rod 43, and the movable cover plate 42 tilts downward, causing the lead-acid battery 34 to fall into the isolation chamber 41 for isolation, preventing the lead-acid battery 34 from exploding and affecting other lead-acid batteries 34, thus improving the safety of the device.
[0030] Example 2
[0031] like Figure 1-5 As shown, based on Embodiment 1, this utility model provides a technical solution: Preferably, the ventilation mechanism 5 includes a ventilation duct 51 and an air inlet slot 56. The ventilation duct 51 is fixedly connected to the back of the partition 13, and extends through the top of the base 11 and into the outside of the base 11. A vent hole 52 is fixedly connected to the top of the ventilation duct 51, and a top cover 53 is fixedly connected to the top of the vent hole 52. A motor 54 is fixedly connected to the bottom of the top cover 53, and a fan blade 55 is fixedly connected to the output end of the motor 54. The air inlet slot 56 is formed on the surface of the outer shell 12.
[0032] In this embodiment, the motor 54 is started to drive the fan blades 55 to rotate, thereby blowing the air inside the ventilation duct 51 into the outside of the device. The air pressure inside the device drops, and the outside air enters the device from the air inlet 56 due to the pressure. When the air passes through the lead-acid battery 34, heat exchange occurs. Then the heated air is discharged through the ventilation duct 51, thereby avoiding excessive temperature that could cause plate deformation, active material shedding, and rapid evaporation of electrolyte, preventing battery damage and shortening of life, and ensuring safety during use.
[0033] The working principle of this segmented, self-igniting lead-acid battery energy storage device will be explained in detail below.
[0034] like Figure 1-5As shown, by pulling open the inner cabinet door 21, the torsion spring 24 twists, and then the lead-acid battery 34 is aligned with the slide rail 35. When the inner cabinet door 21 is released, the torsion spring 24 automatically rebounds, thus achieving automatic closing. Then, the lead-acid battery 34 is inserted, and the internal temperature is detected by the temperature sensor 36. When the temperature is higher than the set threshold, the temperature sensor 36 is energized, and the cylinder 32 is activated. The cylinder 32 extends rapidly and pushes out the lead-acid battery 34 through the push rod 33. The inertia of the lead-acid battery 34 pushes open the inner cabinet door 21, and then falls to the top of the movable cover 42 due to gravity. Then, its gravity compresses the spring telescopic rod 43, and the movable cover 42 tilts downward. This allows the lead-acid battery 34 to fall into the isolation chamber 41 for isolation, preventing it from spreading to other lead-acid batteries 34 in the event of a deflagration, thus improving the safety of the device. By starting the motor 54, the fan blades 55 are rotated, thereby blowing air from the ventilation duct 51 into the outside of the device. The air pressure inside the device decreases, and the outside air enters the device from the air inlet slot 56 due to pressure. The air exchanges heat as it passes through the lead-acid battery 34, and then the heated air is discharged through the ventilation duct 51. This avoids excessive temperature that could cause plate deformation, active material shedding, and rapid evaporation of electrolyte, preventing battery damage and shortening of life, thus ensuring safety during use.
[0035] The present invention has been described in detail above. However, modifications or improvements can be made to it, which will be obvious to those skilled in the art. Therefore, any modifications or improvements that do not depart from the spirit of the present invention are within the protection scope of the present invention.
Claims
1. A segmented, self-igniting lead-acid battery energy storage device, comprising a base (11), characterized in that: The top of the base (11) is fixedly connected to the outer shell (12), and the interior of the outer shell (12) is fixedly connected to the partition (13). The partition (13) divides the interior of the outer shell (12) into multiple compartments. Each compartment of the outer shell (12) is fixedly connected to the baffle (16). The back of the baffle (16) is fixedly connected to the riser seat (31). The top of the riser seat (31) is fixedly connected to the cylinder (32). The output end of the cylinder (32) extends through the baffle (16) to the front side of the baffle (16). The output end of the cylinder (32) is fixedly connected to the push rod (33). The front of the push rod (33) is provided with a lead-acid battery (34). The surface of the partition (13) is fixedly connected to the temperature sensor (36). The temperature sensor (36) is electrically connected to the cylinder (32). It also includes an automatic door closing mechanism (2), an isolation mechanism (4), and a ventilation mechanism (5); The automatic cabinet door closing mechanism (2) is used to keep the device in a closed state at all times; The isolation mechanism (4) is used to seal the battery that is too hot to prevent the fire from spreading; The ventilation mechanism (5) is used to ventilate and dissipate heat from the battery.
2. The segmented, self-igniting-proof lead-acid battery energy storage device according to claim 1, characterized in that: The outer casing (12) is hinged to the front of an outer cabinet door (14), and the front of the outer cabinet door (14) is fixedly connected to a handle (15). The partition (13) is made of fireproof material.
3. The segmented, self-igniting-proof lead-acid battery energy storage device according to claim 1, characterized in that: The bottom of the push rod (33) is provided with a sliding groove, and a lead-acid battery (34) is fixedly connected to the surface of the partition (13). The lead-acid battery (34) is movably connected to the top of the slide rail (35).
4. The segmented, self-igniting-proof lead-acid battery energy storage device according to claim 1, characterized in that: The automatic cabinet door closing mechanism (2) includes an inner cabinet door (21), which is hinged to the front of the partition (13). Both the inner cabinet door (21) and the partition (13) are fixedly connected to a connecting block (22). There are two connecting blocks (22). A rotating shaft (23) is rotatably connected to the connection of the two connecting blocks (22). A torsion spring (24) is inserted into the outside of the rotating shaft (23). The two ends of the torsion spring (24) are fixedly connected to the two connecting blocks (22) respectively.
5. A segmented, self-igniting, lead-acid battery energy storage device according to claim 2, characterized in that: The isolation mechanism (4) includes an isolation chamber (41), which is fixedly connected to the inside of the base (11). A movable cover plate (42) is movably connected to the top of the isolation chamber (41). The movable cover plate (42) is located on the front of the outer shell (12). A spring telescopic rod (43) is hinged to the bottom of the movable cover plate (42). The end of the spring telescopic rod (43) away from the movable cover plate (42) is hinged to the surface of the isolation chamber (41). A guide slope (44) is fixedly connected to the bottom of the inner wall of the isolation chamber (41). The guide slope (44) slopes downward from front to back and is located at the bottom of the movable cover plate (42).
6. A segmented, self-igniting-proof lead-acid battery energy storage device according to claim 1, characterized in that: The ventilation mechanism (5) includes a ventilation duct (51) and an air inlet slot (56). The ventilation duct (51) is fixedly connected to the back of the partition (13). The ventilation duct (51) extends through the top of the base (11) and into the outside of the base (11). A vent hole (52) is fixedly connected to the top of the ventilation duct (51). A top cover (53) is fixedly connected to the top of the vent hole (52). A motor (54) is fixedly connected to the bottom of the top cover (53). A fan blade (55) is fixedly connected to the output end of the motor (54). The air inlet slot (56) is opened on the surface of the outer shell (12).