Mining intrinsic safety type power box power supply device

Abstract

The utility model belongs to the technical field of mining power supply devices, and particularly relates to a mining intrinsic safety type power box power supply device which comprises a shell, an upper cover is connected to the top surface of the shell, an indicator lamp is arranged on the top surface of the upper cover, and protruding blocks are connected to the surfaces of the two ends of the shell. Through the arrangement of the rotatable lifting rod, when an operator needs to carry the power supply device, the lifting rod rotates on the vertical rod through the rotating block, the lifting rod rotates to the position above the power supply device, the operator holds the rubber block part with the hand, and the power supply device is lifted through the lifting rod; an operator can move the power supply device more conveniently, the situation that the operator needs to lift the power supply device with two hands for carrying is avoided, a protection mechanism is arranged, a vertical block and a baffle can shield an indicator lamp, the indicator lamp is prevented from being directly exposed in the environment, and therefore the protection performance of the indicator lamp is improved; and the probability that the indicating lamp is damaged after being collided by an object is reduced.

Description

Technical Field

[0001] The utility model belongs to the technical field of mine power supply devices, and in particular relates to a mine intrinsically safe power supply box. Background Art

[0002] There are more and more instruments and meters underground in coal mines. When these instruments and meters are used underground in mines, power supply devices are needed to power these devices to ensure that they can operate normally.

[0003] The mine intrinsically safe power supply box power supply device can also be used for power supply in coal mines, and can power mine intrinsically safe digital cameras and mine intrinsically safe digital video cameras. However, when the mine intrinsically safe power supply box power supply device is being carried, since there is no lifting structure on the device shell, the operator is required to lift the entire power supply device with both hands for carrying, which is inconvenient to operate and laborious to carry, thereby causing inconvenience to the movement of the mine intrinsically safe power supply box power supply device.

[0004] Therefore, the utility model provides a mine-used intrinsically safe power supply box power supply device to solve the above problems. Utility Model Content

[0005] The utility model aims to provide a power supply device of a mine intrinsically safe power box, aiming to solve the problem in the prior art that the mine intrinsically safe power box power supply device has no lifting structure, which makes the power supply device inconvenient to carry.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a power supply device of a mining intrinsically safe power box, comprising a shell, a top surface of the shell is connected to an upper cover, an indicator light is arranged on the top surface of the upper cover, protrusions are connected to the surfaces of both ends of the shell, a vertical rod is connected to the front end surface of the protrusion, one end of the vertical rod is penetrated and connected with a rotating block, a slot is provided on the top surface of the rotating block, one end of a lifting rod is connected to the inner surface of the slot, a through slot hole is provided on one side surface of the rotating block, a first bolt is penetrated and connected to the inner surface of the slot hole, one end of the first bolt is penetrated and connected to a limiting hole provided on one side surface of the lifting rod, and one end of the first bolt extends into the first fixing hole, the first fixing hole is provided on one side surface of the connecting block, the connecting block is provided on one side surface of the rotating block, a rubber block is arranged around the outer surface of one end of the lifting rod, and a protective mechanism is also provided on the top surface of the upper cover outside the indicator light.

[0007] In order to improve the protection of the indicator light, as a preferred power supply device of a mining intrinsically safe power box of the utility model, the protection mechanism includes: a vertical block, a positioning groove, a positioning block, a baffle, a second bolt and a second fixing hole, the top surface of the upper cover on the outside of the indicator light is connected with a vertical block, the top surface of the vertical block is provided with a positioning groove, the inner surface of the positioning groove is connected with a positioning block, the top surface of the positioning block is connected with a baffle, the top surface of the baffle is penetrated by a second bolt, and one end of the second bolt extends into the second fixing hole provided on the top surface of the vertical block.

[0008] In order to realize the rotation of the rotating block, as a preferred embodiment of the utility model of a power supply device of a mining intrinsically safe power box, a rotating connection is formed between the rotating block and the vertical pole.

[0009] In order to realize the disassembly and assembly of the carrying rod, as a preferred power supply device of a mining intrinsically safe power box of the utility model, the carrying rod is slidably connected with the rotating block through a slot, and the first bolt is threadedly connected with the first fixing hole through a through-slot hole and a limiting hole.

[0010] In order to realize the rapid placement of the baffle, as a preferred embodiment of the utility model of a power supply device for a mining intrinsically safe power box, the positioning block is slidably connected to the vertical block via the positioning groove.

[0011] In order to fix the baffle and observe the indicator light through the baffle, as a preferred power supply device of a mining intrinsically safe power box of the utility model, the second bolt forms a threaded connection by penetrating the baffle and the second fixing hole, and the baffle is made of transparent plastic material.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] The utility model is provided with a rotatable carrying rod. When the operator needs to carry the power supply device, the carrying rod is rotated on the vertical rod through the rotating block to rotate the carrying rod above the power supply device, and the operator holds the rubber block part with his hand to lift the power supply device through the carrying rod, so that the operator can move the power supply device more conveniently and avoids the need for the operator to lift the power supply device with both hands for carrying.

[0014] The utility model provides a protective mechanism so that the upright block and the baffle plate can shield the indicator light to prevent the indicator light from being directly exposed to the environment, thereby improving the protection of the indicator light and reducing the probability of damage to the indicator light after being hit by an object. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0016] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0017] Figure 2 This is a schematic diagram of the partial explosion structure of the rotating block of the utility model;

[0018] Figure 3 It is a schematic diagram of the exploded structure of a local section of the rotating block of the utility model;

[0019] Figure 4 It is a schematic diagram of the local explosion structure of the protective mechanism of the utility model.

[0020] In the figure: 1. shell; 2. upper cover; 3. indicator light; 4. bump; 5. vertical pole; 6. rotating block; 7. slot; 8. lifting rod; 9. slot hole; 10. first bolt; 11. limiting hole; 12. first fixing hole; 13. connecting block; 14. rubber block; 15. vertical block; 16. positioning groove; 17. positioning block; 18. baffle; 19. second bolt; 20. second fixing hole. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] See also Figure 1-Figure 4The utility model provides the following technical solutions: a power supply device of a mine intrinsically safe power box, comprising a shell 1, a top surface of the shell 1 is connected with an upper cover 2, an indicator light 3 is arranged on the top surface of the upper cover 2, protrusions 4 are connected to the surfaces of both ends of the shell 1, a vertical rod 5 is connected to the front end surface of the protrusion 4, one end of the vertical rod 5 is penetrated and connected with a rotating block 6, a slot 7 is provided on the top surface of the rotating block 6, one end of a lifting rod 8 is connected to the inner surface of the slot 7, a through slot hole 9 is provided on one side surface of the rotating block 6, a first bolt 10 is penetrated and connected on the inner surface of the slot hole 9, one end of the first bolt 10 is penetrated and connected with a limiting hole 11 opened on one side surface of the lifting rod 8, and one end of the first bolt 10 extends into a first fixing hole 12, the first fixing hole 12 is provided on one side surface of a connecting block 13, the connecting block 13 is arranged on one side surface of the rotating block 6, a rubber block 14 is arranged around the outer surface of one end of the lifting rod 8, and a protective mechanism is also provided on the top surface of the upper cover 2 outside the indicator light 3.

[0023] The power supply device of the mine intrinsically safe power supply box adopts intrinsically safe circuit design, increases the line spacing of the circuit board, shields and encapsulates the electronic components, limits the maximum surface temperature and spark discharge of the shell, and the electric sparks and thermal effects generated in normal operation and specified fault conditions cannot ignite the explosive mixture in the surrounding environment, thereby achieving electrical explosion-proof, making the circuit itself have explosion-proof performance, and meeting the requirements of intrinsically safe circuit design. The shell 1 is made of special earthquake-resistant materials, with thickened and reinforced corners, in line with GB / T 2423.8-1995 anti-drop test standard, the power box consists of a shell 1 and an upper cover 2. The battery inside the power box uses two lithium manganese oxide batteries connected in series, model: PL205667 / 6000mAh*2, 7.4V / 6Ah, which are connected in series with a two-stage overcurrent protection circuit board and encapsulated with epoxy resin to form an intrinsically safe battery assembly. The intrinsically safe parameters are: Uo: 8.4V, Io: 2.6A, Co: 500μF, Lo: 0.1mH; the rated working voltage of the power box is 7.4V DC, rated capacity is 6000mAh, composed of two PL205667 manganese oxide ion batteries in series, rated working current is 1A; period and random offset peak value ≤250mV; discharge termination voltage is 6.2V; working time is greater than 6h; press the button switch, one of the indicator lights 3 of the voltage indication circuit will light up green, and the other four indicator lights 3 will light up red and indicate the voltages of 6.8V, 7.2V, 7.6V, and 8.0V respectively.

[0024] Preferably: the protective mechanism includes: a stand 15, a positioning groove 16, a positioning block 17, a baffle 18, a second bolt 19 and a second fixing hole 20, the top surface of the upper cover 2 outside the indicator light 3 is connected to the stand 15, the top surface of the stand 15 is provided with a positioning groove 16, the inner surface of the positioning groove 16 is connected to the positioning block 17, the top surface of the positioning block 17 is connected to the baffle 18, the top surface of the baffle 18 is penetrated and connected with the second bolt 19, and one end of the second bolt 19 extends into the second fixing hole 20 provided on the top surface of the stand 15.

[0025] When in use, the positioning block 17 at the bottom of the baffle 18 is slid into the positioning groove 16, and then the second bolt 19 is passed through the baffle 18 and screwed into the second fixing hole 20, so that the position of the baffle 18 can be fixed on the vertical block 15, so that the vertical block 15 and the baffle 18 can shield and protect the indicator light 3.

[0026] Preferably, the rotating block 6 and the vertical rod 5 are rotatably connected.

[0027] During specific use, the rotating block 6 can rotate along the vertical rod 5, so that the rotating block 6 can drive the handle 8 to rotate.

[0028] Preferably, the lifting rod 8 is slidably connected to the rotating block 6 through the slot 7 , and the first bolt 10 is threadedly connected to the first fixing hole 12 through the slot 9 and the limiting hole 11 .

[0029] During specific use, one end of the carrying rod 8 can be slid into the slot 7. When the positions of the slot hole 9, the limiting hole 11 and the first fixing hole 12 coincide with each other, the first bolt 10 is passed through the slot hole 9 and the limiting hole 11 and screwed into the first fixing hole 12. This can fix the position of one end of the carrying rod 8 in the slot 7, so that the carrying rod 8 is connected to the rotating block 6.

[0030] Preferably, the positioning block 17 is slidably connected to the upright block 15 via the positioning groove 16 .

[0031] During specific use, the positioning block 17 can be slidably placed in the positioning groove 16 , so that the baffle 18 can be inserted and removed from the upright block 15 through the positioning block 17 .

[0032] Preferably, the second bolt 19 penetrates through the baffle plate 18 and forms a threaded connection with the second fixing hole 20 , and the baffle plate 18 is made of transparent plastic material.

[0033] During specific use, the second bolt 19 penetrates the baffle 18 and is screwed into the second fixing hole 20 , so that the position of the baffle 18 can be fixed on the stand 15 . The baffle 18 is made of transparent plastic material, so that the operator can directly observe the indicator light 3 through the baffle 18 .

[0034] Working principle: When using the power supply device of the mine intrinsically safe power box, slide one end of the lifting rod 8 into the slot 7 on the rotating block 6. At this time, the positions of the slot hole 9, the limiting hole 11 and the first fixing hole 12 will overlap. Screw the first bolt 10 into the slot hole 9. The first bolt 10 will pass through the limiting hole 11 on the lifting rod 8. Continue to screw the first bolt 10. One end of the first bolt 10 will be screwed into the first fixing hole 12 on the connecting block 13, so that one end of the lifting rod 8 is fixed in the slot 7, so that the rotating block 6 will be connected to the lifting rod 8. When the operator needs to move the power supply device, he only needs to rotate the rotating block 6 on the vertical pole 5 to drive one end of the lifting rod 8 to rotate to the top of the upper cover 2. At this time, the operator uses his hand By holding the rubber block 14, the power supply device can be lifted up by the lifting rod 8, so that the operator can more conveniently move the mine-used intrinsically safe power supply box power supply device, avoiding the operator having to lift the mine-used intrinsically safe power supply box power supply device by hand to carry it, and then sliding the positioning block 17 at the bottom of the baffle 18 into the positioning groove 16. At this time, the baffle 18 will be placed on the top of the vertical block 15. At this time, the second bolt 19 is passed through the baffle 18 and screwed into the second fixing hole 20, so that the position of the baffle 18 can be fixed on the vertical block 15, so that the vertical block 15 and the baffle 18 can shield and protect the indicator light 3, avoiding the indicator light 3 from being directly exposed to the environment, thereby improving the protection of the indicator light 3 and reducing the probability of damage to the indicator light 3 after being hit by an object.

[0035] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A mine-use intrinsically safe power supply box power supply device, comprising a housing (1), characterized in that: The top surface of the housing (1) is connected to an upper cover (2), and an indicator light (3) is arranged on the top surface of the upper cover (2). The surfaces of both ends of the housing (1) are connected to protrusions (4), and the front end surface of the protrusion (4) is connected to a vertical rod (5). One end of the vertical rod (5) is connected to a rotating block (6). A slot (7) is provided on the top surface of the rotating block (6), and one end of a lifting rod (8) is connected to the inner surface of the slot (7). A slot hole (9) is provided on one side surface of the rotating block (6), and the inner surface of the slot hole (9) is connected to the rotating block (6). A first bolt (10) is passed through and connected, one end of the first bolt (10) passes through a limiting hole (11) provided on one side surface of a lifting rod (8), and one end of the first bolt (10) extends into a first fixing hole (12), the first fixing hole (12) is provided on one side surface of a connecting block (13), the connecting block (13) is arranged on one side surface of a rotating block (6), a rubber block (14) is arranged around the outer surface of one end of the lifting rod (8), and a protective mechanism is also arranged on the top surface of the upper cover (2) outside the indicator light (3).

2. A mine-used intrinsically safe power supply box power supply device according to claim 1, characterized in that: The protective mechanism comprises: a stand block (15), a positioning groove (16), a positioning block (17), a baffle (18), a second bolt (19) and a second fixing hole (20); the top surface of the upper cover (2) outside the indicator light (3) is connected with the stand block (15); the top surface of the stand block (15) is provided with a positioning groove (16); the inner surface of the positioning groove (16) is connected with the positioning block (17); the top surface of the positioning block (17) is connected with the baffle (18); the top surface of the baffle (18) is penetrated and connected with the second bolt (19); one end of the second bolt (19) extends into the second fixing hole (20) provided on the top surface of the stand block (15).

3. A mine-used intrinsically safe power supply box power supply device according to claim 1, characterized in that: The rotating block (6) and the vertical rod (5) are in rotational connection.

4. A mine-used intrinsically safe power supply box power supply device according to claim 1, characterized in that: The lifting rod (8) is slidably connected to the rotating block (6) through the slot (7), and the first bolt (10) is threadedly connected to the first fixing hole (12) through the through slot hole (9) and the limiting hole (11).

5. The mine-used intrinsically safe power supply box power supply device according to claim 2 is characterized in that: The positioning block (17) is slidably connected to the upright block (15) via the positioning groove (16).

6. A mine-used intrinsically safe power supply box power supply device according to claim 2, characterized in that: The second bolt (19) penetrates the baffle plate (18) and forms a threaded connection with the second fixing hole (20); the baffle plate (18) is made of a transparent plastic material.

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