CN212671859U

CN212671859U - Sensor suspension distance alarm device for underground coal mine tunneling working face

Info

Publication number: CN212671859U
Application number: CN202021088264.4U
Authority: CN
Inventors: 祝家栋
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-06-14
Filing date: 2020-06-14
Publication date: 2021-03-09
Anticipated expiration: 2030-06-14

Abstract

The utility model discloses a sensor of colliery tunnelling working face in pit hangs apart from alarm device, including mine, meeting head, methane sensor, dryer air sensor and fixed mounting at the dryer in the mine, the right side at mine inner wall top and the left side that is located the meeting head are provided with alarm mechanism, alarm mechanism's top fixedly connected with installation mechanism, alarm mechanism includes the control box, the front and the equal fixedly connected with in the back of control box bottom hang the frame, the utility model relates to a colliery safety inspection technical field. This sensor of colliery tunnelling working face in pit hangs apart from alarm device includes the control box through alarm mechanism, and methane sensor, dryer air sensor hang the place and when the distance head-on surpassed the regulation, can in time send audible and visual alarm, upload ore monitoring center simultaneously, are convenient for in time carry out the antedisplacement with methane sensor, dryer air sensor, have improved the accuracy that detects, reduce the potential safety hazard.

Description

Sensor suspension distance alarm device for underground coal mine tunneling working face

Technical Field

The utility model relates to a colliery safety inspection technical field specifically is a sensor of colliery tunnelling working face hangs apart from alarm device in the pit.

Background

Coal mines are areas where humans mine coal resources in coal-rich mining areas, and are generally divided into underground coal mines and opencast coal mines, when the coal layer is far away from the ground surface, the coal layer is generally selected to dig a tunnel to the underground, which is a mineworker coal mine, when the coal bed is very close to the earth surface, the coal bed is generally dug by directly stripping the earth surface soil layer, which is an open pit coal mine, most coal mines in China belong to underground coal mines, the range of the coal mines comprises the ground, underground and large areas of related facilities, the coal mine is a reasonable space excavated by human beings when excavating geological layers rich in coal, generally comprises a roadway, a well cave, an excavation surface and the like, the coal is the most main solid fuel, is one of combustible organic rocks, is a luxurious plant grown in a certain geological age, in a suitable geological environment, the coal is gradually piled up into a thick layer and buried in the water bottom or silt, and the coal is formed through natural coalification of a long geological age.

At present, in the underground coal mine tunneling construction process, when field construction operators perform production operation and the distance between the hanging places of a methane sensor and a wind drum air quantity sensor on a tunneling working face exceeds a preset distance, the methane sensor and the wind drum air quantity sensor cannot move forwards in time according to the preset requirements, the detection result is inaccurate, and potential safety hazards are caused.

SUMMERY OF THE UTILITY MODEL

The utility model provides a not enough to prior art, the utility model provides a sensor of colliery tunnelling working face in pit hangs apart from alarm device has solved and can not in time carry out the antedisplacement to methane sensor, dryer air sensor according to the regulation requirement, can lead to the inaccurate result of detection to cause the problem of potential safety hazard.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: a sensor suspension distance alarm device for a coal mine underground tunneling working face comprises a mine, a head, a methane sensor, an air duct air quantity sensor and an air duct fixedly installed in the mine, wherein an alarm mechanism is arranged on the right side of the top of the inner wall of the mine and on the left side of the head, and an installation mechanism is fixedly connected to the top of the alarm mechanism;

alarm mechanism includes the control box, the equal fixedly connected with in front and the back of control box bottom hangs the frame, the top of methane sensor and the equal fixedly connected with in top of dryer air sensor and the couple that hangs frame looks adaptation, the bottom fixedly connected with distance sensor on control box right side, the positive fixedly connected with audible-visual annunciator of control box, the top fixedly connected with button on control box right side.

Preferably, installation mechanism includes the fixing base, the bottom of fixing base and the top fixed connection of control box, the top fixedly connected with mounting panel of fixing base.

Preferably, both sides of the bottom of the mounting plate are in threaded connection with bolts, and threaded ends of the bolts sequentially penetrate through the mounting plate and the mine and extend into the mine.

Preferably, the left side fixedly connected with power module of control box inner wall bottom, the bottom of control box inner wall just is located power module's right side fixedly connected with central processing unit, the right side fixedly connected with contrast module of control box inner wall bottom.

Preferably, the output end of the distance sensor is electrically connected with the input end of the comparison module through a wire, the output end of the comparison module is electrically connected with the input end of the central processing unit through a wire, and the output end of the central processing unit is electrically connected with the input ends of the audible and visual alarm and the monitoring unit through wires respectively.

Preferably, the output end of the central processing unit is electrically connected with the input end of the comparison module through a wire, and the input end of the central processing unit is electrically connected with the output end of the key through a wire.

Preferably, the input end of the key is electrically connected with the output end of the power module through a wire, and the output end of the power module is electrically connected with the input end of the distance sensor through a wire.

Advantageous effects

The utility model provides a sensor of colliery tunnelling working face in pit hangs apart from alarm device. Compared with the prior art, the method has the following beneficial effects:

(1) this sensor of colliery tunnelling working face in pit hangs apart from alarm device, include the control box through alarm mechanism, the front and the equal fixedly connected with in the back of control box bottom hang the frame, the top of methane sensor and the equal fixedly connected with in top of dryer air sensor and the couple of hanging frame looks adaptation, the bottom fixedly connected with distance sensor on control box right side, the positive fixedly connected with audible-visual annunciator of control box, the top fixedly connected with button on control box right side, the methane sensor, when dryer air sensor hangs the place distance and meets the head and exceed the regulation, audible-visual annunciator can in time be sent, upload ore monitoring center simultaneously, be convenient for in time with the methane sensor, dryer air sensor carries out the antedisplacement, the accuracy that detects has been improved, reduce the potential safety hazard.

(2) This sensor of colliery tunnelling working face in pit hangs apart from alarm device, include the fixing base through installation mechanism, the bottom of fixing base and the top fixed connection of control box, the top fixedly connected with mounting panel of fixing base, the equal threaded connection in both sides of mounting panel bottom has the bolt, the screw thread end of bolt runs through mounting panel and mine in proper order and extends to the inside of mine, through the setting of mounting panel and bolt, be convenient for install the methane sensor, dryer air sensor and alarm mechanism at the mine inner wall, and is simple in operation, and it is convenient to dismantle, and the mounted position is convenient for change.

Drawings

FIG. 1 is a front view of the structure of the present invention;

FIG. 2 is an enlarged view of a portion A of FIG. 1;

FIG. 3 is a side view of the alarm mechanism of the present invention;

FIG. 4 is a sectional view of the structure of the control box of the present invention;

fig. 5 is a schematic block diagram of the system of the present invention.

In the figure: 1 mine, 2 head-on, 3 methane sensor, 4 dryer air quantity sensor, 5 dryer, 6 alarm mechanism, 61 control box, 62 hang frame, 63 couple, 64 distance sensor, 65 audible-visual annunciator, 66 button, 7 installation mechanism, 71 fixing base, 72 mounting panel, 73 bolt, 8 power module, 9 central processing unit, 10 contrast module, 11 monitoring unit.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: a sensor suspension distance alarm device for a coal mine underground tunneling working face comprises a mine 1, a head-on 2, a methane sensor 3, an air duct air quantity sensor 4 and an air duct 5 fixedly installed in the mine 1, wherein the model of the methane sensor 3 is MQ-4, the model of the air duct air quantity sensor 4 is GFK70, the methane sensor 3 and the air duct air quantity sensor 4 are both installed on the opposite sides of the air duct, the specified distance between the methane sensor 3 and the air duct air quantity sensor 4 and the head-on 2 is not more than 5 m, an alarm mechanism 6 is arranged on the right side of the top of the inner wall of the mine 1 and on the left side of the head-on 2, the top of the alarm mechanism 6 is fixedly connected with an installation mechanism 7, the installation mechanism 7 comprises a fixed seat 71, the bottom of the fixed seat 71 is fixedly connected with the top of a control box 61, the top of the fixed seat 71 is fixedly, the alarm mechanism 6 comprises a control box 61, a power module 8 is fixedly connected to the left side of the bottom of the inner wall of the control box 61, the model of the power module 8 is LP3906, a central processing unit 9 is fixedly connected to the bottom of the inner wall of the control box 61 and positioned on the right side of the power module 8, the model of the central processing unit 9 is ARM9, the output end of the central processing unit 9 is electrically connected with the input end of a comparison module 10 through a lead, the input end of the central processing unit 9 is electrically connected with the output end of a key 66 through a lead, the right side of the bottom of the inner wall of the control box 61 is fixedly connected with the comparison module 10, the model of the comparison module 10 is LM211P, and both the front side and the back side of the bottom of the control box 61 are fixedly connected with a suspension frame 62, the top of the methane sensor 3 and the top of the air duct air quantity sensor 4 are both fixedly connected with a hook 63 matched with the hanging frame 62, the bottom of the right side of the control box 61 is fixedly connected with a distance sensor 64, the model of the distance sensor 64 is BISS0001, the output end of the distance sensor 64 is electrically connected with the input end of the comparison module 10 through a lead, and the output of comparison module 10 passes through wire and central processing unit 9's input electric connection, central processing unit 9's output passes through the wire respectively with audible-visual annunciator 65 and the input electric connection of monitoring unit 11, the positive fixedly connected with audible-visual annunciator 65 of control box 61, audible-visual annunciator 65 carries out the sound, light alarm, the top fixedly connected with button 66 on control box 61 right side, the input of button 66 passes through wire and power module 8's output electric connection, power module 8's output passes through wire and distance sensor 64's input electric connection.

When in use, the methane sensor 3 and the air duct air quantity sensor 4 are firstly hung on the two hanging frames 62 below the control box 61 through the top hook 63, then the control box 61 is contacted with the inner wall of the mine 1 through the mounting plate 72 at the top, the bolt 73 is screwed into the inner wall of the mine 1 through the mounting plate 72, the methane sensor 3, the air duct air quantity sensor 4 and the alarm mechanism 6 can be fixed in the underground tunneling working face, the distance alarm threshold value of the distance between the methane sensor 3 and the air duct air quantity sensor 4 from the head 2 is input into the comparison module 10 through the key 66 to be used as comparison data, the central processor 9, the key 66 and the distance sensor 64 are respectively electrified by using the power module 8, the distance sensor 64 transmits the detected value to the comparison module 10, the comparison module 10 compares the detected value with the distance alarm threshold value, and then feeds the data back to the central processor 9, when the distance exceeds the distance alarm threshold value, the central processing unit 9 controls the audible and visual alarm 65 to give an audible and visual alarm and upload the audible and visual alarm to the monitoring unit 11, so that a worker can find the situation in time through the monitoring unit 11, after the situation is found, the bolt 73 on the mounting plate 72 is screwed out through a safety monitoring worker, the methane sensor 3, the air duct air quantity sensor 4 and the alarm mechanism 6 are moved forwards to the distance specified by the head 2, and then the methane sensor, the air duct air quantity sensor 4 and the alarm mechanism are fixed through the bolt 73 again.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a sensor of colliery tunnelling working face in pit hangs apart from alarm device, includes mine (1), head-on (2), methane sensor (3), dryer air quantity sensor (4) and fixed mounting dryer (5) in mine (1), its characterized in that: an alarm mechanism (6) is arranged on the right side of the top of the inner wall of the mine (1) and on the left side of the head-on part (2), and an installation mechanism (7) is fixedly connected to the top of the alarm mechanism (6);

alarm mechanism (6) are including control box (61), the front and the equal fixedly connected with in the back of control box (61) bottom hang frame (62), the top of methane sensor (3) and the equal fixedly connected with in the top of dryer air sensor (4) and hang couple (63) of frame (62) looks adaptation, bottom fixedly connected with distance sensor (64) on control box (61) right side, the positive fixedly connected with audible-visual annunciator (65) of control box (61), top fixedly connected with button (66) on control box (61) right side.

2. The sensor suspension distance alarm device for the underground coal mine heading face according to claim 1, which is characterized in that: installation mechanism (7) include fixing base (71), the top fixed connection of the bottom of fixing base (71) and control box (61), the top fixed connection of fixing base (71) has mounting panel (72).

3. The sensor suspension distance alarm device for the underground coal mine heading face according to claim 2, which is characterized in that: both sides of the bottom of the mounting plate (72) are in threaded connection with bolts (73), and threaded ends of the bolts (73) sequentially penetrate through the mounting plate (72) and the mine (1) and extend into the mine (1).

4. The sensor suspension distance alarm device for the underground coal mine heading face according to claim 1, which is characterized in that: the utility model discloses a power module, including control box (61), power module (8), right side fixedly connected with central processing unit (9), the right side fixedly connected with contrast module (10) of control box (61) inner wall bottom, the left side fixedly connected with power module (8) of control box (61) inner wall bottom, the bottom of control box (61) inner wall just is located power module (8).

5. The sensor suspension distance alarm device for the underground coal mine heading face according to claim 4, which is characterized in that: the output end of the distance sensor (64) is electrically connected with the input end of the comparison module (10) through a wire, the output end of the comparison module (10) is electrically connected with the input end of the central processing unit (9) through a wire, and the output end of the central processing unit (9) is electrically connected with the input ends of the audible and visual alarm (65) and the monitoring unit (11) through wires respectively.

6. The sensor suspension distance alarm device for the underground coal mine heading face according to claim 4, which is characterized in that: the output end of the central processing unit (9) is electrically connected with the input end of the comparison module (10) through a wire, and the input end of the central processing unit (9) is electrically connected with the output end of the key (66) through a wire.

7. The sensor suspension distance alarm device for the underground coal mine heading face according to claim 4, which is characterized in that: the input end of the key (66) is electrically connected with the output end of the power supply module (8) through a wire, and the output end of the power supply module (8) is electrically connected with the input end of the distance sensor (64) through a wire.