CN219932254U - Explosion-proof and intrinsic safety type digital display audible and visual alarm shell for mine - Google Patents
Explosion-proof and intrinsic safety type digital display audible and visual alarm shell for mine Download PDFInfo
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- CN219932254U CN219932254U CN202321308743.6U CN202321308743U CN219932254U CN 219932254 U CN219932254 U CN 219932254U CN 202321308743 U CN202321308743 U CN 202321308743U CN 219932254 U CN219932254 U CN 219932254U
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- 230000000007 visual effect Effects 0.000 title claims abstract description 21
- 238000005065 mining Methods 0.000 claims abstract description 24
- 239000003245 coal Substances 0.000 claims abstract description 10
- 239000002390 adhesive tape Substances 0.000 claims description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 229910000589 SAE 304 stainless steel Inorganic materials 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 230000003746 surface roughness Effects 0.000 description 1
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Abstract
The utility model belongs to the field of automatic control of coal mines, and in particular relates to a mining flameproof and intrinsic safety type digital display audible and visual alarm shell which is arranged on one side of each level of air door under a coal mine and comprises the following components: the intrinsic safety display box body, the explosion-proof power supply box body and the explosion-proof wiring terminal; the whole intrinsic safety display box body is square, one side of the intrinsic safety display box body is provided with a side cover, a transparent window is arranged on the side cover, a traffic light display screen and a countdown display screen are arranged in the transparent window, and the countdown display screen is arranged below the traffic light display screen; the voice broadcasting device and the circuit element are arranged in the intrinsic safety display box body; the other side of the intrinsic safety display box body is provided with a cable joint; the flameproof power supply box body is arranged on one side of the intrinsic safety display box body, and a power supply is arranged in the flameproof power supply box body; the flameproof wiring terminal is arranged between the intrinsic safety display box body and the flameproof power supply box body. The utility model can avoid the access of the power line, and simultaneously can ensure that the staff can accurately know the closing time of the air door, thereby avoiding the occurrence of safety accidents.
Description
Technical Field
The utility model belongs to the field of automatic control of coal mines, and particularly relates to a mining flameproof and intrinsically safe digital display audible and visual alarm shell.
Background
The mining audible and visual alarm is an important instrument for ensuring the safety production of a coal mine and the operation safety of miners, and can effectively help mining personnel to carry out mining, warning and evacuation work, so that the mining audible and visual alarm is usually required to be installed at an air door in a mine, the mining audible and visual alarm is utilized to display the running state of the mining air door, and the working personnel are prompted.
The existing mining audible and visual alarm needs to be independently connected with a power line to supply power, and the underground air of a coal mine has high humidity, high content of floating impurities and high content of corrosive gas, so that the power line is easy to damage, and safety accidents are caused; meanwhile, the existing mining audible and visual alarm usually displays the opening and closing of a mining air door through a traffic light, a green light passing signal lacks a countdown second reading signal, and when the air door is about to be closed, a worker cannot accurately know the closing time of the air door, so that safety accidents are easy to happen.
Disclosure of Invention
Aiming at the defects of the prior art, the utility model provides the mining flameproof and intrinsically safe digital display audible and visual alarm shell, which aims to reduce wiring times, and enable workers to accurately know the closing time of an air door, so as to avoid safety accidents.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the mining flameproof and intrinsic safety type digital display audible and visual alarm shell is arranged on one side of each level of air door under the coal mine and comprises:
the self-safety display box body is square as a whole, one side of the self-safety display box body is provided with a side cover, the side cover is provided with a transparent window, a traffic light display screen and a countdown display screen are arranged in the transparent window, and the countdown display screen is arranged below the traffic light display screen; a voice broadcasting device and a circuit element are arranged in the intrinsic safety display box body; a cable connector is arranged on the other side of the intrinsic safety display box body;
the explosion-proof power supply box body is arranged on one side of the intrinsic safety display box body, and a power supply is arranged in the explosion-proof power supply box body;
and the flameproof wiring terminal is arranged between the intrinsic safety display box body and the flameproof power supply box body.
Furthermore, wiring ports are formed in one sides of the intrinsic safety display box body and the explosion-proof power supply box body, and the intrinsic safety display box body is connected with the explosion-proof power supply box body through the wiring ports by the wiring terminals; the connection terminal is connected with the circuit element and the power supply.
Further, a waterproof adhesive tape is arranged between the side cover and the intrinsic safety display box body, and a waterproof folded edge is arranged on the side cover.
Further, the voice broadcast device is arranged on the inner wall of one side of the intrinsic safety display box body, and sound scattering holes are formed in the inner wall.
Further, an upper cover is arranged on one side of the explosion-proof power supply box body, and the upper cover is of a detachable structure.
Furthermore, the upper parts of the intrinsic safety display box body and the explosion-proof power supply box body are provided with fixing rings.
The utility model has the beneficial effects that the intrinsically safe display box body and the flameproof power supply box body are connected together by utilizing the flameproof wiring terminal, so that the access of a power line is avoided, the damage of the power line is further prevented, and meanwhile, by utilizing the countdown display screen on the intrinsically safe display box body, a worker can accurately know the closing time of the air door, and the safety accident is avoided.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the utility model, and that other drawings can be obtained according to these drawings without inventive faculty for a person skilled in the art.
FIG. 1 is a schematic view in partial cutaway of a side view of the present utility model;
FIG. 2 is a perspective view of the present utility model;
fig. 3 is a rear view of the intrinsically safe display case of the present utility model.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are based on directions or positional relationships shown in the drawings, are merely for convenience of description and simplification of description, and do not indicate or imply that the apparatus or element to be referred to must have a specific direction, be constructed and operated in the specific direction, and thus should not be construed as limiting the present utility model; furthermore, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
Because the existing mining audible and visual alarm needs to be independently connected with a power line for power supply, the underground environment of a coal mine is severe, the power line is easy to damage, and then safety accidents are caused; meanwhile, the existing mining audible and visual alarm usually displays the opening and closing of a mining air door through a traffic light, a green light passing signal lacks a countdown second reading signal, and when the air door is about to be closed, a worker cannot accurately know the closing time of the air door, so that safety accidents are easy to occur; aiming at the problems, the inventor of the utility model provides a mining flameproof and intrinsically safe digital display audible and visual alarm shell, and the intrinsically safe display box body and the flameproof power supply box body can be connected together through flameproof wiring terminals, so that the access of a power line is avoided, the wiring times are reduced, and the equipment is further prevented from being failed; meanwhile, by utilizing the countdown display screen on the intrinsic safety display box body, workers can accurately know the closing time of the air door, and safety accidents are avoided.
As shown in fig. 1-3, the mining flameproof and intrinsically safe digital display audible and visual alarm shell is arranged on one side of each stage of air door under the coal mine and comprises: the intrinsic safety display box body 1, the explosion-proof power supply box body 2 and the explosion-proof wiring terminal 3.
The intrinsic safety display box body 1 is square as a whole, a side cover 11 is arranged on one side of the intrinsic safety display box body 1, a waterproof adhesive tape 18 is arranged between the side cover 11 and the intrinsic safety display box body 1, and a waterproof folded edge is arranged on the side cover 11; a transparent window 12 is arranged on the side cover 11, a traffic light display screen 13 and a countdown display screen 14 are arranged in the transparent window 12, and the countdown display screen 14 is arranged below the traffic light display screen 13; the voice broadcasting device 15 and the circuit element 16 are arranged in the intrinsic safety display box body 1, the voice broadcasting device 15 is arranged on the inner wall of one side of the intrinsic safety display box body 11, and the inner wall is provided with sound scattering holes 19; the other side of the intrinsic safety display box body 1 is provided with a cable joint 17.
In the embodiment, the intrinsic safety display box body is formed by welding a 2 mm stainless steel 304 steel plate; the transparent window 12 is an explosion-proof glass with the thickness of 5 mm, and the side cover 11 and the transparent window 12 are detachable.
The explosion-proof power supply box body 2 is arranged on one side of the intrinsic safety display box body 1, and a power supply is arranged in the explosion-proof power supply box body 2; an upper cover 21 is arranged on one side of the flameproof power supply box body 2, and the upper cover 21 is of a detachable structure.
In this embodiment, the flameproof power supply box 2 is formed by welding 6 mm and 12 mm Q234A steel plates, and the power supply inside the flameproof power supply box 2 can be replaced by the upper cover 21.
The flameproof wiring terminal 3 is arranged between the intrinsically safe display box body 1 and the flameproof power supply box body 2; the intrinsically safe display box body 1 and one side of the flameproof power supply box body 2 are respectively provided with a wiring port, the intrinsically safe display box body 1 and the flameproof power supply box body 2 are connected through wiring ports by the wiring terminals 3, and the wiring terminals 3 are connected with the circuit element 16 and the power supply.
In the embodiment, the combination surface of the intrinsically safe display box body 1 and the explosion-proof power supply box body 2 is processed by a grinding machine to ensure the flatness and the surface roughness of the combination surface, so that the combination surface meets the national standard of an explosion-proof electric appliance GB/T3836-2021; the power supply supplies electric power to the internal circuit element 16 of the intrinsically safe display case 1 through the wiring terminal 3.
Wherein, the upper parts of the intrinsic safety display box body 1 and the explosion-proof power supply box body 2 are respectively provided with a fixed ring 4; the intrinsic safety display box body 1 and the explosion-proof power supply box body 2 are hoisted on one side of an underground coal mine air door through a fixing ring 4.
Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.
Claims (6)
1. The mining flameproof and intrinsic safety type digital display audible and visual alarm shell is arranged on one side of each level of air door under a coal mine and is characterized by comprising:
the self-safety display box body is square as a whole, one side of the self-safety display box body is provided with a side cover, the side cover is provided with a transparent window, a traffic light display screen and a countdown display screen are arranged in the transparent window, and the countdown display screen is arranged below the traffic light display screen; a voice broadcasting device and a circuit element are arranged in the intrinsic safety display box body; a cable connector is arranged on the other side of the intrinsic safety display box body;
the explosion-proof power supply box body is arranged on one side of the intrinsic safety display box body, and a power supply is arranged in the explosion-proof power supply box body;
and the flameproof wiring terminal is arranged between the intrinsic safety display box body and the flameproof power supply box body.
2. The mining flameproof and intrinsically safe digital display audible and visual annunciator shell of claim 1, wherein the intrinsically safe display box and one side of the flameproof power supply box are provided with wiring ports, and the wiring terminals are connected with the flameproof power supply box through the wiring ports, and are connected with circuit elements and a power supply.
3. The mining flameproof and intrinsically safe digital display audible and visual annunciator shell of claim 1, wherein a waterproof adhesive tape is arranged between the side cover and the intrinsically safe display box body, and a waterproof folded edge is arranged on the side cover.
4. The mining explosion-proof and intrinsic safety type digital display audible and visual alarm shell according to claim 1, wherein the voice broadcasting device is arranged on the inner wall of one side of the intrinsic safety type display box body, and sound scattering holes are formed in the inner wall.
5. The mining flameproof and intrinsically safe digital display audible and visual annunciator shell of claim 1, wherein an upper cover is arranged on one side of the flameproof power supply box body, and the upper cover is of a detachable structure.
6. The mining flameproof and intrinsically safe digital display audible and visual annunciator shell of claim 1, wherein the upper parts of the intrinsically safe display box body and the flameproof power supply box body are respectively provided with a fixed ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321308743.6U CN219932254U (en) | 2023-05-26 | 2023-05-26 | Explosion-proof and intrinsic safety type digital display audible and visual alarm shell for mine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321308743.6U CN219932254U (en) | 2023-05-26 | 2023-05-26 | Explosion-proof and intrinsic safety type digital display audible and visual alarm shell for mine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219932254U true CN219932254U (en) | 2023-10-31 |
Family
ID=88488016
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321308743.6U Active CN219932254U (en) | 2023-05-26 | 2023-05-26 | Explosion-proof and intrinsic safety type digital display audible and visual alarm shell for mine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219932254U (en) |
-
2023
- 2023-05-26 CN CN202321308743.6U patent/CN219932254U/en active Active
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