CN210217839U

CN210217839U - Detection device is administered to colliery gas in pit

Info

Publication number: CN210217839U
Application number: CN201920999524.4U
Authority: CN
Inventors: Qinghai Liu; 刘庆海; Jianhua Dai; 代建华; Bangfa Meng; 孟邦发
Original assignee: Guizhou Five Wheel Mountain Coal Industry Co Ltd
Current assignee: Guizhou Five Wheel Mountain Coal Industry Co Ltd
Priority date: 2019-06-30
Filing date: 2019-06-30
Publication date: 2020-03-31
Anticipated expiration: 2029-06-30

Abstract

The utility model discloses a coal mine underground gas treatment detection device, which comprises a shell, wherein a transparent cover plate is fixed at an opening at the upper end of the shell, supporting legs are integrally formed on two sides of the bottom of the shell, and bolt holes are arranged in the supporting legs; a circuit board is fixed on the inner bottom of the shell, and a display screen is arranged on the circuit board; a methane gas detection sensor is fixed on the cover plate, the detection end of the methane gas detection sensor penetrates through the cover plate and then extends out of the cover plate, a protective cover is mounted on the upper end face of the cover plate at the position of the methane gas detection sensor, a plurality of vent holes are formed in the side wall and the top of the protective cover, a first sealing structure is arranged between the methane gas detection sensor and the cover plate, and the methane gas detection sensor is electrically connected with the circuit board; wire holes are formed in the two side walls of the shell, the conducting wire is electrically connected with the circuit board, and a second sealing structure is arranged between the conducting wire and the shell; the utility model discloses can bring the convenience for the observation of the gas content in the colliery.

Description

Detection device is administered to colliery gas in pit

Technical Field

The utility model relates to a detection device technical field for the colliery, concretely relates to detection device is administered to colliery gas in pit.

Background

In the coal mining process, a certain amount of gas exists in the coal mine, the gas is mainly composed of methane, and when the gas in the coal mine reaches a certain concentration, the gas is easy to cause the phenomenon of explosion, so that great potential safety hazards exist; in order to realize the detection of the gas content in the coal mine, a handheld gas detection device appears in the market at present, but the device can only be used by being held by hands when in use, namely, the content of the gas in the coal mine can not be displayed in real time, and the defect that the gas content is inconvenient to observe exists.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model provides a detection device is administered to colliery gas in pit, it can be installed in the mine hole in colliery, and can show the content of the gas in the colliery in real time, so, can bring the convenience for the observation of the gas content in the colliery.

The utility model discloses a colliery is gas governance detection device in pit, including the casing, the inside of casing is provided with the upper end open-ended cavity, the opening part sealed fixed with the transparent apron of casing upper end, the homogeneous body shaping of both sides of casing bottom has the supporting legs, is provided with in the supporting legs and can passes the bolt hole that fixes the casing on the lateral wall in ore deposit hole with the bolt; a circuit board is fixed on the inner bottom of the shell, a display screen is mounted on the circuit board, and a display surface at the upper end of the display screen is close to the cover plate; a methane gas detection sensor is fixed on the cover plate, the detection end of the methane gas detection sensor penetrates through the cover plate and then extends out of the cover plate, a protective cover is mounted on the upper end face of the cover plate at the position of the methane gas detection sensor, a plurality of vent holes are formed in the side wall and the top of the protective cover, a first sealing structure is arranged between the methane gas detection sensor and the cover plate, and the methane gas detection sensor is electrically connected with the circuit board; wire holes for the wires to penetrate are formed in the two side walls of the shell, the wires are electrically connected with the circuit board, and a second sealing structure is arranged between the wires and the shell.

The utility model discloses a detection device is administered to colliery gas in pit, wherein, be provided with annular chimb on the lower terminal surface of apron, inlay on the periphery wall of annular chimb and be equipped with first sealing washer, first sealing washer is hugged closely with the inner wall of casing.

The utility model discloses a detection device is administered to colliery gas in pit, wherein, first seal structure including set up on the up end of apron and the suit at the outside annular boss of methane gas detection sensor, inlay between the internal perisporium of the periphery wall of methane gas detection sensor and annular boss and be equipped with the second sealing washer, protection casing and annular boss threaded connection.

The utility model discloses a detection device is administered to colliery gas in pit, wherein, second seal structure includes that the suit is provided with the recess that can supply the embedding of third sealing washer and clamping ring at the outside of wire on the outer wall of casing, and clamping ring and recess threaded connection just compress tightly the third sealing washer on the interior bottom of recess, and the third sealing washer all pastes tightly with wire and recess.

The utility model discloses a detection device is administered to colliery gas in pit, wherein, detection device is administered to colliery gas in pit still includes sealed lid, and the laminating has the rubber pad in the interior tip of sealed lid, and sealed lid is arranged in threaded connection to the recess and is arranged in compressing tightly the rubber pad on the interior bottom of recess.

The utility model discloses can install in the mine hole in colliery, and can show the content of the gas in the colliery in real time, so, can bring the convenience for the observation of the gas content in the colliery.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:

FIG. 1 is a schematic view of the present invention in a partial cross-sectional structure;

FIG. 2 is an enlarged view of the structure at A in FIG. 1;

FIG. 3 is an enlarged view of the structure at B in FIG. 1;

fig. 4 is a schematic structural view of the sealing cover connected with the rubber pad.

Detailed Description

In the following description, numerous implementation details are set forth in order to provide a more thorough understanding of the present invention. It should be understood, however, that these implementation details should not be used to limit the invention. That is, in some embodiments of the invention, details of these implementations are not necessary. In addition, some conventional structures and components are shown in simplified schematic form in the drawings.

In addition, the descriptions related to "first", "second", etc. in the present invention are only for description purposes, not specifically referring to the order or sequence, and are not intended to limit the present invention, but only to distinguish the components or operations described in the same technical terms, and are not to be construed as indicating or implying any relative importance or implicit indication of the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

The utility model discloses a colliery is gas governance detection device in pit, including casing 1, the inside of casing 1 is provided with the upper end open-ended cavity, the opening part sealed fixed with transparent apron 2 of casing 1 upper end, the both sides of casing 1 bottom are all integrated into one piece has supporting legs 11, be provided with in the supporting legs 11 and can pass the bolt hole 12 on the lateral wall of fixing casing 1 in the ore deposit hole for the bolt; a circuit board 3 is fixed on the inner bottom of the shell 1, a display screen 31 is installed on the circuit board 3, and a display surface at the upper end of the display screen 31 is close to the cover plate 2; a methane gas detection sensor 4 is fixed on the cover plate 2, the detection end of the methane gas detection sensor 4 penetrates through the cover plate 2 and then extends out of the cover plate 2, a protective cover 5 is installed on the upper end face of the cover plate 2 at the position of the methane gas detection sensor 4, a plurality of vent holes 51 are formed in the side wall and the top of the protective cover 5, a first sealing structure is arranged between the methane gas detection sensor 4 and the cover plate 2, and the methane gas detection sensor 4 is electrically connected with the circuit board 3; wire holes 13 for the lead wires 6 to penetrate are formed in the two side walls of the shell 1, the lead wires 6 are electrically connected with the circuit board 3, and a second sealing structure is arranged between the lead wires 6 and the shell 1; the circuit board in the above description may adopt a minimum system of a single chip, the display screen may adopt a liquid crystal screen, and the process of driving the methane gas detection sensor to detect the gas and displaying the detection result on the display screen by adopting the minimum system of the single chip is the prior art in the market at present, and is not described herein again; the utility model discloses can install in the mine hole in colliery, and can show the content of the gas in the colliery in real time, so, can bring the convenience for the observation of the gas content in the colliery.

An annular convex edge 21 is arranged on the lower end face of the cover plate 2, a first sealing ring 22 is embedded on the outer peripheral wall of the annular convex edge 21, and the first sealing ring 22 is tightly attached to the inner wall of the shell 1; after adopting this kind of structure, after the apron is fixed to the casing, can realize reliably sealed between apron and the casing to can avoid the gas in the colliery to enter into the casing through the gap between apron and the casing, can avoid the circuit board to appear the phenomenon of igniting gas promptly at the during operation.

The first sealing structure comprises an annular boss 23 which is arranged on the upper end face of the cover plate 2 and sleeved outside the methane gas detection sensor 4, a second sealing ring 41 is embedded between the outer peripheral wall of the methane gas detection sensor 4 and the inner peripheral wall of the annular boss 23, and the protective cover 5 is in threaded connection with the annular boss 23; after adopting this kind of structure, can realize detecting the sealed between sensor and the apron to methane gas to can avoid the gas in the colliery to enter into the casing through the gap between methane gas detection sensor and the apron, can avoid the circuit board to appear the phenomenon of igniting gas at the during operation promptly.

The second sealing structure comprises a third sealing ring 71 and a pressing ring 72 which are sleeved outside the lead 6, a groove 14 into which the third sealing ring 71 can be embedded is formed in the outer wall of the shell 1, the pressing ring 72 is in threaded connection with the groove 14 and presses the third sealing ring 71 onto the inner bottom of the groove 14, and the third sealing ring 71 is tightly attached to the lead 6 and the groove 14; after adopting this kind of structure, can realize the sealed between wire and the casing to can avoid the gas in the colliery to enter into the casing through the gap between wire and the casing, can avoid the phenomenon that the circuit board appears igniting the gas at the during operation promptly.

The coal mine underground gas treatment detection device further comprises a sealing cover 81, a rubber pad 82 is attached to the inner end part of the sealing cover 81, and the sealing cover 81 is used for being connected into the groove 14 in a threaded mode and used for pressing the rubber pad 82 on the inner bottom of the groove 14; through the setting of sealed lid and rubber pad, when one of them line hole of casing did not pass the wire, can install sealed lid and rubber pad in the recess to can avoid the gas in the colliery to enter into the casing, can avoid the circuit board phenomenon that the during operation appears igniting the gas promptly.

In using the utility model discloses in the time, can be with a plurality of the utility model discloses install inside the colliery according to the preface, can follow the extending direction installation in mine hole a plurality of the utility model discloses, then with a plurality of the utility model discloses a wire cascade can, in addition, will be located the wire that is closest to the colliery entrance to a cave again and power electricity be connected can, after the wire circular telegram, circuit board among every detection device all begins to work to methane content in the air of locating position within range carries out real-time detection through methane gas detection sensor to numerical value real-time display that will detect is on the display screen.

The above description is only an embodiment of the present invention, and is not intended to limit the present invention. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.

Claims

1. A detection device is administered to colliery underground gas which characterized in that: the mine tunnel is characterized by comprising a shell (1), wherein a cavity with an opening at the upper end is formed in the shell (1), a transparent cover plate (2) is hermetically fixed at the opening at the upper end of the shell (1), supporting legs (11) are integrally formed on two sides of the bottom of the shell (1), and bolt holes (12) for bolts to penetrate through to fix the shell (1) on the side wall of the mine tunnel are formed in the supporting legs (11); a circuit board (3) is fixed on the inner bottom of the shell (1), a display screen (31) is mounted on the circuit board (3), and a display surface at the upper end of the display screen (31) is close to the cover plate (2); a methane gas detection sensor (4) is fixed on the cover plate (2), the detection end of the methane gas detection sensor (4) penetrates through the cover plate (2) and then extends out of the cover plate (2), a protective cover (5) is installed on the upper end face of the cover plate (2) located at the position of the methane gas detection sensor (4), a plurality of vent holes (51) are formed in the side wall and the top of the protective cover (5), a first sealing structure is arranged between the methane gas detection sensor (4) and the cover plate (2), and the methane gas detection sensor (4) is electrically connected with the circuit board (3); wire holes (13) through which wires (6) can penetrate are formed in two side walls of the shell (1), the wires (6) are electrically connected with the circuit board (3), and a second sealing structure is arranged between the wires (6) and the shell (1).

2. The coal mine underground gas treatment detection device according to claim 1, wherein an annular convex edge (21) is arranged on the lower end face of the cover plate (2), a first sealing ring (22) is embedded on the peripheral wall of the annular convex edge (21), and the first sealing ring (22) is tightly attached to the inner wall of the shell (1).

3. The detection device is administered to colliery coal mine gas of claim 1, characterized in that, first seal structure includes that the setting is on the up end of apron (2) and the suit is at annular boss (23) of methane gas detection sensor (4) outside, inlay between the internal perisporium of the periphery wall of methane gas detection sensor (4) and annular boss (23) and be equipped with second sealing washer (41), protection casing (5) and annular boss (23) threaded connection.

4. The coal mine underground gas treatment detection device according to claim 1, wherein the second sealing structure comprises a third sealing ring (71) and a pressing ring (72) which are sleeved outside the lead (6), a groove (14) into which the third sealing ring (71) can be embedded is formed in the outer wall of the shell (1), the pressing ring (72) is in threaded connection with the groove (14) and presses the third sealing ring (71) onto the inner bottom of the groove (14), and the third sealing ring (71) is tightly attached to the lead (6) and the groove (14).

5. The coal mine underground gas control detection device according to claim 4, further comprising a sealing cover (81), wherein a rubber gasket (82) is attached to the inner end of the sealing cover (81), and the sealing cover (81) is used for being connected to the groove (14) in a threaded mode and used for pressing the rubber gasket (82) on the inner bottom of the groove (14).