Mining explosion-proof battery power supply shell
By introducing a sand and gravel layer and a sliding base plate structure into the casing of the explosion-proof battery for mining, combined with a lock and buckle design, the problem of fire and explosion caused by flammable gas leakage in underground coal mines of lithium-ion batteries is solved, achieving the effects of safe cooling and simplified assembly.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- JIANGSU YIKUN MANUFACTURING TECHNOLOGY CO LTD
- Filing Date
- 2025-04-30
- Publication Date
- 2026-04-10
AI Technical Summary
Lithium-ion batteries in coal mines are prone to fire and explosion due to flammable gas leakage and pressure issues. Existing technologies are insufficient to effectively prevent the battery casing from overheating and igniting flammable gases.
A mining explosion-proof battery power supply shell was designed, which adopts a sand and gravel layer inside the protective shell and a sliding base plate structure. The sealing plate is connected by an inner and outer connecting rod. The sand and gravel layer absorbs heat and cools down the shell. The design of the lock head and buckle achieves stable fixation of the sealing plate, avoiding bolt fixation.
It effectively reduces the temperature of the battery casing, prevents explosions, lowers explosion-proof costs, simplifies the assembly process, and improves safety and convenience.
Smart Images

Figure CN224110311U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of explosion -proof battery shell, specifically a mine explosion -proof battery power shell. BACKGROUND
[0002] With the rapid development of lithium battery industry, lithium ion battery is gradually widely applied in the coal mine equipment with its excellent use performance. In order to meet the use demand of high voltage and large capacity, dozens or even hundreds of lithium ion batteries need to be connected in series.
[0003] The combustible gas will be scattered into the well after the leakage of the combustible gas, and the battery power in the well will cause the fire of the battery due to the pressure and other reasons, and the overheating of the power battery shell will ignite the combustible gas, thereby causing the explosion accident.
[0004] Therefore, the utility model provides a mine explosion -proof battery power shell to solve the above -mentioned problems. UTILITY MODEL CONTENT
[0005] Technical problem solved
[0006] The utility model provides a mine explosion -proof battery power shell, aims at solving the problem in the background art.
[0007] Technical scheme
[0008] In order to realize the above -mentioned purpose, the utility model provides the following technical scheme: a mine explosion -proof battery power shell, including protection shell, sealing plate and battery body, the sandstone layer is opened in the side edge of protection shell, the sandstone layer is slidably connected with the bottom plate, the inner connecting rod and the outer connecting rod are welded on the bottom plate, the other end of the inner connecting rod and the outer connecting rod is welded with sealing plate, the lock head is equipped on the sealing plate, the lock head is inserted in the hasp of protection shell, the socket is opened on the lock head, and the plug is inserted in the socket on the hasp.
[0009] As a preferred technical scheme of the application, the inner connecting rod and the outer connecting rod are arranged along the length direction of the protection shell, the inner connecting rod and the outer connecting rod are arranged in parallel, and the guide seat is welded on the bottom plate connected with the inner connecting rod and the outer connecting rod.
[0010] As a preferred technical scheme of the application, the guide seat is slidably connected in the guide opening on the side edge of the sandstone layer.
[0011] As a preferred technical scheme of the application, the large lock opening and the small lock opening are opened in the hasp, the width of the large lock opening is greater than the width of the small lock opening, and the large lock opening and the small lock opening are mutually penetrated.
[0012] As a preferred technical scheme of the present application, the slide rod is slidably connected to the buckle, and a limiting rod is welded to the side wall of the slide rod and slidably connected to the buckle.
[0013] As a preferred technical scheme of the present application, a plug is welded to one end of the slide rod, a stop seat is welded to the side edge of the plug, a pull ring is welded to the other end of the slide rod, and a return spring is sleeved on the slide rod between the pull ring and the buckle.
[0014] Beneficial effects
[0015] The utility model discloses a protection shell is installed outside battery body, and the sandstone layer is equipped with on the side edge of protection shell, and the sandstone in sandstone layer can be prevented, and when battery body breaks down and loses fire, the inside of protection shell will heat, and the heat will be conducted to the side wall of protection shell, and the heat will be adsorbed by sandstone when passing through sandstone layer, thereby realizing cooling, and the outermost layer of protection shell will not produce higher temperature, thereby preventing protection shell temperature from being too high and exploding, and preventing protection shell overall temperature from being too high and igniting inflammable gas, and the bottom plate is installed inside sandstone layer, and the bottom plate is connected with the sealing plate through inner connecting rod and outer connecting rod, and the sealing plate can seal protection shell, and the bottom plate can bear sandstone, and when replacing sandstone, the sandstone can be drawn out directly through the sealing plate pulling the bottom plate, thereby facilitating the replacement of sandstone, and avoiding that part of sandstone is attached in sandstone layer. BRIEF DESCRIPTION OF DRAWINGS
[0016] Figure 1 It is a structure schematic diagram of a mine explosion -proof battery power supply shell Figure 1 ;
[0017] Figure 2 It is a structure schematic diagram of a mine explosion -proof battery power supply shell Figure 2 ;
[0018] Figure 3 It is Figure 1 A enlarged structure schematic diagram of place
[0019] Figure 4 It is Figure 2 B enlarged structure schematic diagram of place
[0020] In the drawing,
[0021] 1, protection shell, 2, sealing plate, 3, outer connecting rod, 4, battery body, 5, buckle, 6, socket, 7, lock head, 8, bottom plate, 9, sandstone layer, 10, guide port, 11, guide seat, 12, inner connecting rod, 13, plug, 14, stop seat, 15, return spring, 16, pull ring, 17, slide rod, 18, limiting rod, 19, large lock port, 20, small lock port. DETAILED DESCRIPTION
[0022] Clearly, the described embodiments are merely a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present utility model.
[0023] The utility model provides a kind of mine explosion-proof battery power supply shell, as shown in the figure, the explosion-proof battery power supply shell includes protective shell 1, sealing plate 2 and battery body 4, protective shell 1 side edge is internally provided with sand layer 9, sand layer 9 is slidably connected with bottom plate 8, bottom plate 8 is welded with inner connecting rod 12 and outer connecting rod 3, the other end of inner connecting rod 12 and outer connecting rod 3 is welded with sealing plate 2, sealing plate 2 is equipped with lock head 7, lock head 7 is inserted in the snap 5 of protective shell 1, lock head 7 is provided with socket 6, and the plug 13 on snap 5 is inserted in socket 6. Figures 1-4 By being provided with sand layer 9 on the side wall of protective shell 1, sand can be stored in sand layer 9, bottom plate 8 is installed in sand layer 9, bottom plate 8 is connected with sealing plate 2 through inner connecting rod 12 and outer connecting rod 3, sealing plate 2 can be away from or close to protective shell 1, sealing plate 2 will drive bottom plate 8 to move when it is away from or close to protective shell 1, sand can be drawn out by bottom plate 8 when it moves, so sand can be conveniently replaced, lock head 7 is provided on sealing plate 2, and lock catch is provided on the corresponding protective shell 1, lock head 7 will be inserted into lock catch when sealing plate 2 closes protective shell 1, plug 13 will be pushed when lock head 7 enters snap 5, plug 13 is arranged obliquely on snap 5, plug 13 will move outward after being pressed by lock head 7, plug 13 will be inserted into socket 6 when it moves to the position of socket 6, and plug 13 will be inserted into socket 6 under the driving of reset spring 15, so lock head 7 can be fixed, sealing plate 2 can stably block protective shell 1, so as to protect the battery power supply in protective shell 1, and the assembly of protective shell 1 is facilitated by this way without the need of bolts.
[0024] Inner connecting rod 12 and outer connecting rod 3 are arranged along the length direction of protective shell 1, and inner connecting rod 12 and outer connecting rod 3 are arranged in parallel, and guide seat 11 is welded on the bottom plate 8 connected with inner connecting rod 12 and outer connecting rod 3.
[0025] Bottom plate 8 and sealing plate 2 can constitute a whole through the arrangement of inner connecting rod 12 and outer connecting rod 3, bottom plate 8 will also move when sealing plate 2 moves, sand in sand layer 9 can be drawn out through bottom plate 8 when sealing plate 2 moves, so sand in sand layer 9 can be conveniently cleaned, so as to ensure the cleaning of old sand in sand layer 9, and new sand can be conveniently replaced.
[0026]
[0027] The guide seat 11 is slidably connected to the guide opening 10 on the side edge of the gravel layer 9.
[0028] The guide seat 11 can be connected to the guide opening 10 by the guide opening 10, the guide seat 11 can move along the guide opening 10, the guide opening 10 can limit the guide seat 11, the guide seat 11 is arranged on the bottom plate 8, and the bottom plate 8 can stably move, so that the bottom plate 8 cannot be tilted during movement, and the gravel cannot be stuck between the bottom plate 8 and the gravel layer 9 to cause movement failure.
[0029] The lock head 7 can be inserted into the large lock opening 19 and the small lock opening 20 through the communication of the large lock opening 19 and the small lock opening 20, the lock head 7 is integrally arranged in a T shape, and the lock head 7 can be integrally clamped into the lock.
[0030] The lock head 7 can be inserted into the large lock opening 19 and the small lock opening 20 through the communication of the large lock opening 19 and the small lock opening 20, the lock head 7 is integrally arranged in a T shape, and the lock head 7 can be integrally clamped into the lock.
[0031] The slide rod 17 is slidably connected to the lock, a limiting rod 18 is welded to the side wall of the slide rod 17, and the limiting rod 18 is slidably connected to the lock.
[0032] The slide rod 17 can move in and out of the lock through the installation of the slide rod 17 on the lock, one end of the slide rod 17 is connected to the insertion rod, the insertion rod can move simultaneously with the slide rod 17, the lock head 7 is pushed to the slide rod 17 when entering the lock, the slide rod 17 moves after being pushed, the insertion rod moves out, the limiting rod 18 is arranged on the side wall of the slide rod 17, the slide rod 17 and the limiting rod 18 are simultaneously installed on the lock, and the slide rod 17 and the limiting rod 18 are cooperatively movable without rotating, so as to ensure the stability of the slide rod 17 during movement.
[0033] The insertion rod 13 is welded to one end of the slide rod 17, the stop seat 14 is welded to the side edge of the insertion rod 13, the pull ring 16 is welded to the other end of the slide rod 17, and the reset spring 15 is sleeved on the slide rod 17 between the pull ring 16 and the lock.
[0034] The stop seat 14 can protrude outward on the insertion rod 13 by being arranged on the insertion rod 13, the stop seat 14 can limit the insertion rod 13, the stop seat 14 moves simultaneously with the insertion rod 13 after being pushed by the lock head 7, the stop seat 14 moves to the position of the lock, thereby blocking the continuous movement of the insertion rod 13, so as to ensure that the insertion rod 13 does not separate from the lock, the reset spring 15 is sleeved on the slide rod 17 outside the lock, the reset spring 15 is stretched when the slide rod 17 moves out with the insertion rod 13, the reset spring 15 drives the slide rod 17 to move reversely when the insertion rod 13 moves to the position of the insertion opening 6, and the insertion rod 13 can be inserted into the insertion opening 6, thereby realizing automatic insertion of the insertion rod 13.
[0035] Working principle:
[0036] By setting the sand layer 9 in the protective shell 1, the bottom plate 8 installed in the sand layer 9 can move along the sand layer 9, the bottom plate 8 is connected with the sealing plate 2 through the inner connecting rod 12 and the outer connecting rod 3, the bottom plate 8 will move to the bottom of the sand layer 9 when the sealing plate 2 seals the protective shell 1, the bottom plate 8 will move outside the sand layer 9 at the same time when the sealing plate 2 is away from the protective shell 1, the sand layer 9 can inject sand, the sand can absorb heat, prevent the temperature of the protective shell 1 from rising too high, so that the temperature of the protective shell 1 cannot still rise too high after the battery is damaged and on fire, thereby avoiding the explosion in the protective shell 1 and the ignition of other flammable gases, the setting of the sand layer 9 can reduce the cost of explosion protection, the sealing plate 2 seals the protective shell 1 after the use of the protective shell 1, the lock head 7 on the sealing plate 2 can be inserted into the lock catch, the lock head 7 will push the plug 13 when inserted, the plug 13 will move outward, the plug 13 will be inserted into the plug hole 6 with the continuous movement of the lock head 7, so as to fix the lock head 7, so as to realize the stable assembly of the sealing plate 2, the assembly process does not need to be fixed by bolts, so as to improve the assembly efficiency of the protective shell 1.
[0037] The above is only the preferred specific implementation manner of the present application, but the protection scope of the present application is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.
Claims
1. A mine approved battery power supply housing characterized by: Including protective shell (1), sealing plate (2) and battery body (4), the sand layer (9) is opened in the side edge of the protective shell (1), the bottom plate (8) is slidably connected in the sand layer (9), the inner connecting rod (12) and the outer connecting rod (3) are welded on the bottom plate (8), the sealing plate (2) is welded on the other end of the inner connecting rod (12) and the outer connecting rod (3), the lock head (7) is arranged on the sealing plate (2), the lock head (7) is inserted into the buckle (5) of the protective shell (1), the socket (6) is formed in the lock head (7), the plug (13) on the buckle (5) is inserted into the socket (6).
2. A mine-usable explosion-proof battery power supply housing according to claim 1, characterized in that: The inner connecting rod (12) and the outer connecting rod (3) are arranged along the length direction of the protective shell (1), the inner connecting rod (12) and the outer connecting rod (3) are arranged in parallel, and the guide seat (11) is welded on the bottom plate (8) connected with the inner connecting rod (12) and the outer connecting rod (3).
3. A mine-usable explosion-proof battery power supply housing according to claim 2, characterized in that: The guide seat (11) is slidably connected in the guide hole (10) of the side edge of the sand layer (9).
4. A mine-usable explosion-proof battery power supply housing as defined in claim 1, wherein: The large lock hole (19) and the small lock hole (20) are formed in the buckle (5), the width of the large lock hole (19) is greater than that of the small lock hole (20), and the large lock hole (19) and the small lock hole (20) are communicated with each other.
5. A mine-usable explosion-proof battery power supply housing as defined in claim 4, wherein: The slide rod (17) is slidably connected on the buckle (5), the limiting rod (18) is welded on the side wall of the slide rod (17), and the limiting rod (18) is slidably connected on the buckle (5).
6. A mine-usable explosion-proof battery power supply housing as defined in claim 5, wherein: The plug (13) is welded on one end of the slide rod (17), the stop seat (14) is welded on the side edge of the plug (13), the pull ring (16) is welded on the other end of the slide rod (17), and the reset spring (15) is sleeved on the slide rod (17) between the pull ring (16) and the buckle (5).