A shock-absorbing and explosion-proof device for lithium battery power supply for mining

Abstract

The invention relates to the technical field of explosion-proof power supplies for mines, and discloses a shock-absorbing and explosion-proof device for a lithium battery power supply for mines, comprising a protective shell, a sealing cover plate is arranged above the protective shell, two groups of lithium batteries are installed in the protective shell, a circuit board is fixed above the lithium battery, the circuit board is electrically connected to the lithium battery through a wire, a charge and discharge connector is fixed on the outer surface of the protective shell, and the charge and discharge connector is electrically connected to the circuit board through a wire; the device can move stably and efficiently in a harsh environment, the buffer structure formed facilitates the device to reduce the bumps during movement, improves the buffering performance, can timely bring out the heat on the heat conducting plate through the heat dissipation holes, can reduce the temperature inside the protective shell, and improves the explosion-proof performance of the lithium battery power supply for mines.

Description

Technical Field

[0001] The invention relates to the technical field of explosion-proof power supplies for mines, and in particular to a shock-absorbing and explosion-proof device for a lithium battery power supply for mines. Background Art

[0002] Mining lithium battery power supply plays a vital role in the coal mining industry. It is a power supply equipment specially designed for dangerous environments underground in coal mines. It has the advantages of high safety, strong stability, large capacity, stable output, and fast response speed. This power supply not only provides power support for emergency communications, lighting, communication equipment, lifeboats and refuge chambers underground, but also serves as a backup power supply for key systems such as monitoring and control systems and underground power supply control systems. Because lithium batteries have the characteristics of high energy density and strong chemical activity. In mining environments, especially underground coal mines, there are explosive gas gases. The high energy density and chemical activity of lithium batteries make them a potential source of explosion. Once a lithium battery fails during the charging and discharging process, such as electrolyte leakage or extreme temperature rise, an explosion accident may occur. Therefore, in order to ensure the safe use of mining lithium battery power supplies, a series of explosion-proof measures and technologies need to be taken to reduce the risk of explosion.

[0003] At present, in coal mines, due to the large size and heavy weight of mining lithium battery power supplies, most of the corridors in the mines are not hardened. Affected by the moisture underground, the corridors are relatively humid and easily form potholes on the road surface, making it difficult to move the mining lithium battery power supply during use, and it is easy to be bumped when moving. The mining lithium battery power supply is easy to generate heat during use. For explosion-proof considerations, most mining power supplies are closed, which will make it difficult to dissipate the generated heat in time. The lithium battery power supply is bumped during movement, which will greatly affect the explosion-proof performance of the mining lithium battery power supply. Summary of the invention

[0004] The present invention provides a shock-absorbing and explosion-proof device for a lithium battery power supply for mining. The device is provided with a sliding shoe arranged at the bottom of a protective shell to reduce the contact area of ​​the device with the wet mine tunnel road surface, thereby ensuring that the device can move stably and efficiently in a harsh environment. The buffer structure formed facilitates the device to reduce the bumps received during movement, improves the buffering performance, and can timely bring out the heat on the heat conduction plate through the heat dissipation holes, thereby reducing the temperature inside the protective shell and improving the explosion-proof performance of the lithium battery power supply for mining. The invention solves the problem that the tunnel mentioned in the above background technology is relatively wet and prone to forming potholes on the road surface, making the lithium battery power supply for mining difficult to move during use and easily subject to bumps during movement. The lithium battery power supply for mining is prone to generate heat during use. For explosion-proof considerations, most mining power supplies are closed, which will cause the generated heat to be difficult to dissipate in time. The lithium battery power supply is subject to bumps during movement, which will greatly affect the explosion-proof performance of the lithium battery power supply for mining.

[0005] The present invention provides the following technical solution: a shock-absorbing and explosion-proof device for a lithium battery power source for mining, comprising a protective shell, a sealing cover plate is arranged above the protective shell, and two groups of lithium batteries are installed in the protective shell, a circuit board is fixed above the lithium battery, and the circuit board is electrically connected to the lithium battery through a wire, and a charge and discharge connector is fixed on the outer surface of the protective shell, and the charge and discharge connector is electrically connected to the circuit board through a wire;

[0006] A sliding shoe is provided at the lower end of the protective shell, a hollow column is fixed on the sliding shoe, a guide column is fixed on the lower surface of the protective shell, the lower end of the guide column is inserted into the hollow column, and a first spring is fixed between the guide column and the hollow column.

[0007] As an optional solution of the shock-absorbing and explosion-proof device for mining lithium battery power supply described in the present invention, heat dissipation grooves are respectively provided at both ends of the protective shell, and heat conduction plates are provided in the heat dissipation grooves. Two rectangular frames are fixed on the protective shell, and the rectangular frames are communicated with the heat dissipation grooves. A fan is fixed in the rectangular frames, and a plurality of heat dissipation holes are opened on one side of the protective shell, and the heat dissipation holes are communicated with the heat dissipation grooves.

[0008] As an optional scheme of the shock-absorbing and explosion-proof device for mining lithium battery power supply described in the present invention, a T-shaped water-cooled heat-absorbing plate is arranged between the two lithium battery cells, the T-shaped water-cooled heat-absorbing plate is fixed inside the protective shell, a first water tank is fixed on the outside of the protective shell, a variable frequency water pump is installed on the first water tank, the water outlet of the first water tank is communicated with the water inlet of the variable frequency water pump, the water outlet of the variable frequency water pump is connected to the water inlet at the bottom of the T-shaped water-cooled heat-absorbing plate through a first pipe, and a plurality of second heat dissipation fins are fixed on the first water tank.

[0009] As an optional solution of the shock-absorbing and explosion-proof device for mining lithium battery power supply described in the present invention, a second water tank is fixed on one side of the heat conducting plate, the water inlet of the second water tank is connected to the water outlet at the top of the T-shaped water-cooled heat absorbing plate through a second pipe, and the water outlet of the second water tank is connected to the water inlet of the first water tank through a third pipe.

[0010] As an optional solution of the shock-absorbing and explosion-proof device for mining lithium battery power supply described in the present invention, wherein: a guide rod is slidably connected to the second water tank, a floating plate is fixed to the lower end of the guide rod, a heat dissipation cavity is arranged on the heat conduction plate, and the second water tank is connected to the heat dissipation cavity through a fourth pipe.

[0011] As an optional solution of the shock-absorbing and explosion-proof device for mining lithium battery power supply described in the present invention, a dust-proof filter plate is fixed on the rectangular frame, a water inlet is fixed on the first water tank, and a sealing cover is threadedly connected to the water inlet.

[0012] As an optional solution of the shock-absorbing and explosion-proof device for mining lithium battery power supply described in the present invention, two rotating rods are arranged in the heat dissipation groove, both of the two rotating rods are rotatably connected to the protective shell, the two rotating rods pass through one side of the heat conduction plate, and a plurality of circumferentially equidistantly distributed air guide plates are fixed on the rotating rods.

[0013] As an optional solution of the shock-absorbing and explosion-proof device for mining lithium battery power supply described in the present invention, wherein: pulleys are fixed on the two rotating rods, belts are mounted on the pulleys, a gear is fixed on one of the rotating rods, an L-shaped rack is fixed on the guide rod, and the L-shaped rack is meshed with the gear.

[0014] As an optional solution of the shock-absorbing and explosion-proof device for mining lithium battery power supply described in the present invention, guide brackets are fixed at both ends of the heat conducting plate, two mounting bars are slidably connected to the two guide brackets, a second spring is mounted on the guide bracket, and the two ends of the second spring are respectively fixed to the guide bracket and the mounting bar.

[0015] As an optional solution of the shock-absorbing and explosion-proof device for mining lithium battery power supply described in the present invention, brush plates are fixed on both sides of the mounting strip, a plurality of evenly spaced first heat dissipating fins are arranged on the heat conducting plate, and an abutment block is fixed on one side of the mounting strip.

[0016] The present invention has the following beneficial effects:

[0017] 1. In the shock-absorbing and explosion-proof device for the lithium battery power supply for mining, the protective shell and the sealing cover plate can provide good protection for the lithium battery cell and the circuit board. The sliding shoe arranged at the bottom of the protective shell can reduce the contact area of ​​the device with the wet mine tunnel road surface, ensuring that the device can move stably and efficiently in a harsh environment. The guide column fixed below the protective shell, the hollow column fixed above the sliding shoe and the first spring form a buffer structure, which is convenient for the device to reduce the bumps during movement, improve the buffering performance, and reduce the impact on the working lithium battery cell. The heat dissipation grooves arranged on both sides of the protective shell can be connected with the rectangular frame and a plurality of heat dissipation holes. A sealed space can be formed between the two heat conduction plates arranged in the heat dissipation groove to provide a sealing effect for the lithium battery cell and the circuit board. At the same time, the heat generated by the lithium battery cell and the circuit board during operation can be introduced into the heat conduction plate for dissipation. The fan installed in the rectangular frame can blow the outside air into the heat dissipation groove, and the heat on the heat conduction plate can be taken out through the heat dissipation holes in time, so that the temperature inside the protective shell can be reduced, and the explosion-proof performance of the lithium battery power supply for mining can be improved.

[0018] 2. In the shock-absorbing and explosion-proof device for lithium battery power source for mining, through the T-shaped water-cooled heat-absorbing plate arranged in the protective shell, when the temperature inside the protective shell is high, the water in the first water tank can be transported to the T-shaped water-cooled heat-absorbing plate through the variable frequency water pump, so that the heat is quickly transferred to the water to reduce the internal temperature. Then, the second pipe connected to the top of the T-shaped water-cooled heat-absorbing plate cooperates with the second water tank and the third pipe to promote the circulation of water, which can quickly and effectively take the heat away from the inside of the protective shell, and can further improve the heat dissipation effect of the device. The air cooling and water cooling can cooperate to make It can reduce the heat dissipation time, reduce energy consumption, and improve the heat dissipation effect. The fixed water filling port on the first water tank is convenient for adding water when the lithium battery power source is working, and no water is added when it is not working, which can reduce the weight of the device and facilitate movement. The variable frequency water pump is provided with a variable frequency function, which can change the size of the water flow in the pipeline, so that a liquid level difference is formed in the second water tank. When the variable frequency water pump is at a low frequency, the liquid level in the second water tank increases, which can prompt the floating plate to move upward, and a part of the water can flow through the fourth pipeline to the heat dissipation cavity on the heat conduction plate to absorb heat, which can further promote the heat dissipation effect of air cooling.

[0019] 3. In the shock-absorbing and explosion-proof device for mining lithium battery power supply, the two rotating rods arranged in the heat dissipation groove are convenient for installing the air guide plate, and the two rotating rods can drive the air guide plate to rotate synchronously through the cooperation of the pulleys and the belts fixed on the two rotating rods, and when the floating plate moves upward, the guide rod can be driven to move synchronously, so that the guide rod can drive the L-shaped rack to mesh with the gear fixed on one of the rotating rods, and the rotating rod can be prompted to rotate, so that the air guide plates fixed on the two rotating rods can rotate synchronously, and the wind direction of the air flowing inside the heat dissipation groove can be adjusted, so that when the fan is running, the air flows in the heat dissipation groove. The purpose of reducing the heat dissipation dead angle can be achieved, and the guide brackets installed on both ends of the heat conducting plate can be elastically connected with the two mounting strips, and the air guide plate can be able to conflict with the conflicting blocks fixed on the mounting strip when rotating, so as to achieve the purpose of the mounting strip driving the brush plate to move up and down, and the dust attached to the first heat dissipation fin of the heat conducting plate can be cleaned, thereby improving the heat dissipation effect of the heat conducting plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is one of the three-dimensional structural schematic diagrams of the present invention.

[0021] Figure 2 This is the second schematic diagram of the three-dimensional structure of the present invention.

[0022] Figure 3 It is a structural cross-sectional view of the present invention.

[0023] Figure 4 It is a schematic diagram of the internal structure of the protective shell of the present invention.

[0024] Figure 5 It is a schematic diagram of the structure of the T-shaped water-cooled heat absorbing plate and the air guide plate of the present invention.

[0025] Figure 6 It is a cross-sectional view of the second water tank structure of the present invention.

[0026] Figure 7 for Figure 5 A partial enlarged schematic diagram in the middle.

[0027] In the figure: 1, protective shell; 2, lithium battery cell; 3, circuit board; 4, charging and discharging connector; 5, sealing cover; 6, sliding shoe; 7, hollow column; 8, guide column; 9, first spring; 10, heat dissipation groove; 11, heat conduction plate; 12, rectangular frame; 121, fan; 13, heat dissipation hole; 14, T-shaped water-cooled heat absorption plate; 15, first water tank; 16, variable frequency water pump; 17, first pipeline; 18, second water tank; 181, fourth pipeline; 19, second Pipe; 191, third pipe; 20, guide rod; 21, floating plate; 22, heat dissipation cavity; 23, rotating rod; 24, air guide plate; 25, pulley; 26, belt; 27, gear; 28, L-shaped rack; 29, dust filter plate; 30, water inlet; 31, sealing cover; 32, guide bracket; 33, mounting strip; 34, second spring; 35, brush plate; 36, first heat dissipation fin; 37, resistance block; 38, second heat dissipation fin. DETAILED DESCRIPTION

[0028] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0029] For example, see Figure 1-Figure 7 A shock-absorbing and explosion-proof device for a lithium battery power source for mining, comprising a protective shell 1, a sealing cover plate 5 is arranged above the protective shell 1, and two groups of lithium batteries 2 are installed in the protective shell 1, a circuit board 3 is fixed above the lithium battery 2, and the circuit board 3 is electrically connected to the lithium battery 2 through a wire, and a charge and discharge connector 4 is fixed on the outer surface of the protective shell 1, and the charge and discharge connector 4 is electrically connected to the circuit board 3 through a wire;

[0030] A sliding shoe 6 is provided at the lower end of the protective shell 1, a hollow column 7 is fixed on the sliding shoe 6, a guide column 8 is fixed on the lower surface of the protective shell 1, the lower end of the guide column 8 is inserted into the hollow column 7, and a first spring 9 is fixed between the guide column 8 and the hollow column 7.

[0031] Heat dissipation grooves 10 are respectively provided at both ends of the protective shell 1, and heat conduction plates 11 are provided in the heat dissipation grooves 10. Two rectangular frames 12 are fixed on the protective shell 1, and the rectangular frames 12 are communicated with the heat dissipation grooves 10. A fan 121 is fixed in the rectangular frames 12. A plurality of heat dissipation holes 13 are opened on one side of the protective shell 1, and the heat dissipation holes 13 are communicated with the heat dissipation grooves 10.

[0032] The protective housing 1 and the sealing cover 5 can protect the lithium battery power source composed of the lithium battery core 2 and the circuit board 3. Figure 1-Figure 4When the charging and discharging connector 4 installed on the protective shell 1 is electrically connected to the circuit board 3, the lithium battery 2 is convenient for charging and discharging. The sliding shoe 6 arranged at the bottom of the protective shell 1 can reduce the contact area of ​​the device on the wet mine tunnel road surface, ensuring that the device can move stably and efficiently in a harsh environment. The buffer structure composed of the guide column 8 fixed below the protective shell 1, the hollow column 7 fixed above the sliding shoe 6, and the first spring 9 arranged can facilitate the device to reduce the bumps during the movement, improve the buffering performance, reduce the impact on the working lithium battery 2, and improve the explosion-proof effect;

[0033] When the heat generated by the lithium battery power supply during operation is dissipated, the heat can be conducted through the heat conducting plate 11 arranged on one side of the heat dissipation slot 10, so as to be dissipated into the heat dissipation slot 10. The heat dissipation slots 10 arranged on both sides of the protective shell 1 can be connected with the rectangular frame 12 and a plurality of heat dissipation holes 13. When the fan 121 installed in the rectangular frame 12 is started, the outside air can be blown into the heat dissipation slot 10, and the heat on the heat conducting plate 11 can be brought out through the heat dissipation holes 13 in time, which can reduce the temperature inside the protective shell 1 and improve the explosion-proof performance of the lithium battery power supply for mining.

[0034] Embodiment 2: This embodiment is an improvement made on the basis of Embodiment 1. For details, please refer to Figure 1-Figure 7 A T-shaped water-cooled heat absorbing plate 14 is arranged between the two lithium battery cells 2, and the T-shaped water-cooled heat absorbing plate 14 is fixed inside the protective shell 1. A first water tank 15 is fixed on the outside of the protective shell 1, and a variable frequency water pump 16 is installed on the first water tank 15. The water outlet of the first water tank 15 is communicated with the water inlet of the variable frequency water pump 16, and the water outlet of the variable frequency water pump 16 is connected to the water inlet at the bottom of the T-shaped water-cooled heat absorbing plate 14 through a first pipe 17. A plurality of second heat dissipation fins 38 are fixed on the first water tank 15.

[0035] A second water tank 18 is fixed to one side of the heat conducting plate 11 , and a water inlet of the second water tank 18 is connected to a water outlet at the top of the T-shaped water-cooled heat absorbing plate 14 through a second pipe 19 , and a water outlet of the second water tank 18 is connected to a water inlet of the first water tank 15 through a third pipe 191 .

[0036] A guide rod 20 is slidably connected to the second water tank 18 , a floating plate 21 is fixed to the lower end of the guide rod 20 , a heat dissipation cavity 22 is provided on the heat conduction plate 11 , and the second water tank 18 is connected to the heat dissipation cavity 22 through a fourth pipe 181 .

[0037] A dustproof filter plate 29 is fixed on the rectangular frame 12 , a water inlet 30 is fixed on the first water tank 15 , and a sealing cover 31 is threadedly connected to the water inlet 30 .

[0038] The mining lithium battery power supply conventionally uses the heat conducting plate 11 and the fan 121 for heat dissipation. When the temperature inside the protective housing 1 is high, the fan 121 will work for a long time, and the heat dissipation time will increase, which will consume a lot of electric energy. In order to improve the heat dissipation effect and reduce energy consumption, refer to Figure 3-Figure 6 A T-shaped water-cooled heat absorbing plate 14 is arranged inside the protective shell 1. Water is injected into the inside so that the heat is quickly transferred to the water, thereby reducing the temperature inside the protective shell 1. When the temperature inside the protective shell 1 is high, a variable frequency water pump 16 is used to transport the water in the first water tank 15 to the water inlet at the bottom of the T-shaped water-cooled heat absorbing plate 14 through the first pipe 17. As the water is continuously injected, the water gradually flows upward from the bottom of the T-shaped water-cooled heat absorbing plate 14, which can ensure that no bubbles are generated in the T-shaped water-cooled heat absorbing plate 14, and can better contact the heat in the protective shell 1, which can improve the heat transfer efficiency. The second pipe 19 connected to the top of the plate 14 can transport water to the second water tank 18 for transfer. Through the third pipe 191 connected to the water outlet of the second water tank 18, the water that absorbs heat can flow into the first water tank 15, so that the water circulates and can quickly and effectively take the heat away from the inside of the protective shell 1, which can further improve the heat dissipation effect of the device. The second heat dissipation fins 38 fixed on the first water tank 15 can conduct heat, so that the outside air can take away the heat, thereby reducing the temperature of the water flowing back to the inside of the first water tank 15, which can improve the heat adsorption effect of the T-shaped water-cooled heat absorption plate 14;

[0039] The air cooling and water cooling can be used together to reduce the heat dissipation time, reduce energy consumption, improve the heat dissipation effect, and quickly reduce the temperature inside the protective shell 1. The fixed water inlet 30 on the first water tank 15 is convenient for adding water when the lithium battery power source is working, and no water is added when it is not working, which can reduce the weight of the device and facilitate movement. The variable frequency water pump 16 is provided with a variable frequency function, which can change the size of the water flow in the pipeline, so that the second water tank 18 can form a liquid level difference. When the variable frequency water pump 16 is at a low frequency, the amount of water flowing into the second water tank 18 is greater than the amount flowing out, which can increase the liquid level in the second water tank 18, and can prompt the floating plate 21 to move upward. A part of the water can flow through the fourth pipe to the heat dissipation cavity 22 on the heat conducting plate 11 to absorb heat. When the working frequency of the variable frequency water pump 16 increases, the amount of water flowing out of the second water tank 18 is greater than the amount flowing in, and the liquid level in the second water tank 18 is reduced, so that the water inside the heat dissipation cavity 22 can flow back to the second water tank 18 with heat, which can further promote the heat dissipation effect of air cooling.

[0040] Embodiment 3: This embodiment is an improvement made on the basis of Embodiment 2. For details, please refer to Figure 1-Figure 7Two rotating rods 23 are arranged in the heat dissipation slot 10. Both rotating rods 23 are rotatably connected to the protective shell 1. The two rotating rods 23 pass through one side of the heat conducting plate 11. A plurality of air guide plates 24 equidistantly distributed around the circumference are fixed on the rotating rods 23.

[0041] Pulleys 25 are fixed on the two rotating rods 23 , and belts 26 are mounted on the pulleys 25 . A gear 27 is fixed on one of the rotating rods 23 , and an L-shaped rack 28 is fixed on the guide rod 20 . The L-shaped rack 28 and the gear 27 are meshed with each other.

[0042] Guide brackets 32 are fixed at both ends of the heat conducting plate 11 , two installation bars 33 are slidably connected to the two guide brackets 32 , a second spring 34 is sleeved on the guide brackets 32 , and two ends of the second spring 34 are fixed to the guide brackets 32 and the installation bars 33 , respectively.

[0043] Brush plates 35 are fixed on both sides of the mounting bar 33 . A plurality of first heat dissipation fins 36 equidistantly distributed are arranged on the heat conducting plate 11 . An abutment block 37 is fixed on one side of the mounting bar 33 .

[0044] In the prior art, when the fan 121 is running, the main flow direction of the air is horizontal, which will lead to poor air flow above and below the heat sink 10, resulting in a heat dissipation dead angle, thereby affecting the heat dissipation efficiency. Figure 3-Figure 7 In order to reduce the heat dissipation dead angle, an air guide plate 24 is arranged on the rotating rod 23 to adjust the wind direction. When the floating plate 21 moves upward, it can drive the guide rod 20 to move synchronously, so that the guide rod 20 can drive the L-shaped rack 28 to mesh with the gear 27 fixed on one of the rotating rods 23, so as to promote the rotation of the rotating rod 23. Through the cooperation of the pulleys 25 and the belt 26 fixed on the two rotating rods 23, the air guide plates 24 fixed on the two rotating rods 23 can rotate synchronously, and the wind direction of the air flowing inside the heat dissipation slot 10 can be adjusted, so that when the fan 121 is running, the air flows inside the heat dissipation slot 10, which can achieve the purpose of reducing the heat dissipation dead angle, and greatly improve the efficiency of heat dissipation;

[0045] At present, due to the large amount of dust in the mine, the fan 121 will bring some small dust into the heat sink 10 during operation, and then adhere to the heat conducting plate 11 and the first heat dissipation fins 36 fixed on the heat conducting plate 11. For a long time, the heat dissipation effect of the heat conducting plate 11 will be poor, and the effect will be reduced. The attached dust needs to be cleaned. Figure 5During the rotation of the air guide plate 24, it can interfere with the interference block 37 fixed on the mounting bar 33, so that the two ends of the mounting bar 33 slide vertically on the guide bracket 32. At the same time, the second spring 34 accumulates force, so that the mounting bar 33 can drive the brush plate 35 to move up and down, which greatly improves the dust cleaning effect of the brush plate 35 on the heat conducting plate 11 and the first heat dissipation fins 36 on the heat conducting plate 11, and greatly improves the heat dissipation effect of the heat conducting plate 11.

[0046] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0047] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principles of the present invention. These improvements and modifications should also be regarded as the scope of protection of the present invention.

Claims

1. A shock-absorbing and explosion-proof device for a lithium battery power source for mining, comprising a protective housing (1), characterized in that: A sealing cover plate (5) is arranged above the protective shell (1), and two groups of lithium batteries (2) are installed in the protective shell (1); a circuit board (3) is fixed above the lithium batteries (2), and the circuit board (3) is electrically connected to the lithium batteries (2) through a wire; a charge and discharge connector (4) is fixed on the outer surface of the protective shell (1), and the charge and discharge connector (4) is electrically connected to the circuit board (3) through a wire; The lower end of the protective shell (1) is provided with a sliding shoe (6), a hollow column (7) is fixed on the sliding shoe (6), a guide column (8) is fixed on the lower surface of the protective shell (1), the lower end of the guide column (8) is inserted into the hollow column (7), and a first spring (9) is fixed between the guide column (8) and the hollow column (7); Both ends of the protective shell (1) are respectively provided with heat dissipation grooves (10), and a heat conducting plate (11) is provided in the heat dissipation groove (10). Two rectangular frames (12) are fixed on the protective shell (1), and the rectangular frames (12) are in communication with the heat dissipation grooves (10). A fan (121) is fixed in the rectangular frames (12). A plurality of heat dissipation holes (13) are opened on one side of the protective shell (1), and the heat dissipation holes (13) are in communication with the heat dissipation grooves (10). A T-shaped water-cooled heat absorbing plate (14) is arranged between the two lithium battery cells (2); the T-shaped water-cooled heat absorbing plate (14) is fixed inside the protective shell (1); a first water tank (15) is fixed outside the protective shell (1); a variable frequency water pump (16) is installed on the first water tank (15); a water outlet of the first water tank (15) is connected to a water inlet of the variable frequency water pump (16); the water outlet of the variable frequency water pump (16) is connected to the water inlet at the bottom of the T-shaped water-cooled heat absorbing plate (14) through a first pipe (17); and a plurality of second heat dissipation fins (38) are fixed on the first water tank (15); A second water tank (18) is fixed to one side of the heat conducting plate (11); a water inlet of the second water tank (18) is connected to a water outlet at the top of the T-shaped water-cooled heat absorbing plate (14) via a second pipe (19); and a water outlet of the second water tank (18) is connected to a water inlet of the first water tank (15) via a third pipe (191); A guide rod (20) is slidably connected to the second water tank (18), a floating plate (21) is fixed to the lower end of the guide rod (20), a heat dissipation cavity (22) is provided on the heat conduction plate (11), and the second water tank (18) is connected to the heat dissipation cavity (22) via a fourth pipe (181).

2. The shock-absorbing and explosion-proof device for a lithium battery power source for mining according to claim 1 is characterized in that: A dustproof filter plate (29) is fixed on the rectangular frame (12), a water inlet (30) is fixed on the first water tank (15), and a sealing cover (31) is threadedly connected to the water inlet (30).

3. The shock-absorbing and explosion-proof device for a lithium battery power source for mining according to claim 2 is characterized in that: Two rotating rods (23) are arranged in the heat dissipation groove (10), and the two rotating rods (23) are both rotatably connected to the protective shell (1). The two rotating rods (23) pass through one side of the heat conduction plate (11), and a plurality of air guide plates (24) equidistantly distributed around the circumference are fixed to the rotating rods (23).

4. The shock-absorbing and explosion-proof device for a lithium battery power source for mining according to claim 3 is characterized in that: A pulley (25) is fixed on each of the two rotating rods (23), and a belt (26) is sleeved on the pulley (25); a gear (27) is fixed on one of the rotating rods (23), and an L-shaped rack (28) is fixed on the guide rod (20); the L-shaped rack (28) and the gear (27) are meshed with each other.

5. The shock-absorbing and explosion-proof device for a lithium battery power source for mining according to claim 4 is characterized in that: Guide brackets (32) are fixed at both ends of the heat conducting plate (11), two mounting strips (33) are slidably connected to the two guide brackets (32), a second spring (34) is sleeved on the guide bracket (32), and two ends of the second spring (34) are fixed to the guide bracket (32) and the mounting strip (33), respectively.

6. The shock-absorbing and explosion-proof device for a lithium battery power source for mining according to claim 5 is characterized in that: Brush plates (35) are fixed on both sides of the mounting strip (33), a plurality of first heat dissipation fins (36) distributed at equal intervals are provided on the heat conduction plate (11), and a resistance block (37) is fixed on one side of the mounting strip (33).

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