Upper corner nuclear absorption methane sensor for underground coal mine

Abstract

The invention relates to the field of coal mining, and discloses an underground coal mine upper corner nuclear absorption methane sensor which comprises a methane sensor body and a mounting plate, a display screen is arranged at the front end of the methane sensor body, a power lamp is arranged above the display screen, and an alarm indicator lamp is arranged on the right side of the power lamp. Keys are arranged below the display screen, a sensor connector is mounted on the left side of the bottom end of the methane sensor main body, and a connecting wire is mounted at the bottom end of the sensor connector. According to the upper corner nuclear absorption methane sensor for the underground coal mine, the concentration of methane can be detected through the sensor, the methane sensor main body gives an alarm immediately once the concentration of the methane passes through a standard value, and meanwhile, the remote alarm module in the methane sensor main body can transmit alarm information to a remote terminal to remind workers outside the mine; and meanwhile, the flashing alarm lamp and the buzzer alarm on the methane sensor main body rapidly flash and buzz to give an alarm, so that the problem of poor alarm effect is solved.

Description

Technical Field

[0001] The invention relates to the technical field of coal mining, in particular to an upper corner core absorption methane sensor used in underground coal mines. Background Art

[0002] Coal mines are areas where humans exploit coal resources in coal-rich mining areas. They are generally divided into underground coal mines and open-pit coal mines. Excessive gas limits in the upper corners of the working face during coal mining is a common safety hazard in the coal mining face. If not handled properly, it will not only restrict the high productivity and efficiency of the coal mining face, but also cause gas accidents.

[0003] The methane sensors installed in coal mines can detect the methane concentration in the corners of the working face. However, when common methane sensors detect that the concentration exceeds the standard, they only rely on the alarm light on the methane sensor equipment to sound the alarm. Workers outside the coal mine cannot observe the alarm information in time, thus affecting the safety of coal mining.

[0004] There is an urgent need to use upper corner nuclear absorption methane sensors in coal mines to solve the technical defects raised in the above technologies. Summary of the invention

[0005] The object of the present invention is to provide an upper corner core absorption methane sensor for use in coal mines to solve the problem of poor alarm effect mentioned in the above-mentioned background technology.

[0006] To achieve the above-mentioned purpose, the present invention provides the following technical scheme: an upper corner core absorption methane sensor for underground coal mines, comprising a methane sensor body and a mounting plate, a display screen is arranged at the front end of the methane sensor body, a power light is arranged above the display screen, an alarm indicator light is arranged on the right side of the power light, a button is arranged below the display screen, a sensor connector is installed on the left side of the bottom end of the methane sensor body, a connecting line is installed at the bottom end of the sensor connector, an air chamber is installed on the right side of the bottom end of the methane sensor body, a fixing plate is fixedly connected to both sides of the mounting plate, mounting slots are arranged on both sides of the front end of the mounting plate, mounting blocks are fixedly connected to the top ends of both sides of the methane sensor body, the sides of the mounting slots are movably connected to the limited stop strips, a protective cover is movably hinged at the front end of the methane sensor body, a remote alarm module is installed inside the methane sensor body, a flashing alarm light is installed at the top end of the methane sensor body, a second wiring is installed at the interface of the flashing alarm light, a buzzer alarm is arranged on the right side of the flashing alarm light, and a first wiring is installed at the interface of the buzzer alarm.

[0007] As a further technical solution of the present invention, the buzzer alarm is electrically connected to the remote alarm module via a first connection.

[0008] As a further technical solution of the present invention, the flashing warning light is electrically connected to the remote alarm module via a second connection.

[0009] As a further technical solution of the present invention, the installation block can be embedded in the installation slot, the top and bottom ends of the limit stop bar are fixedly connected with stoppers, and the limit stop bar is arranged at the front end of the installation block.

[0010] As a further technical solution of the present invention, four groups of fixing plates are provided, and mounting bolts are provided on the fixing plates.

[0011] As a further technical solution of the present invention, the protective cover is made of visible glass, and the protective cover covers the outside of the display screen and the buttons.

[0012] As a further technical solution of the present invention, a positioning block is fixedly connected to the bottom end of the protective cover, a handle is fixedly connected to the front end of the positioning block, and a positioning slot is provided at the front end of the methane sensor body.

[0013] As a further technical solution of the present invention, the positioning card block is embedded in the positioning card slot.

[0014] Compared with the prior art, the beneficial effects of the present invention are: the upper corner core absorption methane sensor for underground coal mines not only realizes the function of enhancing the alarm effect, realizes the function of convenient and flexible installation, but also realizes the function of convenient protection;

[0015] (1) By providing a methane sensor body, a remote alarm module, a flashing alarm light, a buzzer alarm and an alarm indicator light, the sensor on the methane sensor body can detect the concentration of methane. Once the methane concentration exceeds the standard value, the methane sensor body can alarm. When the alarm occurs, the remote alarm module inside the methane sensor body can transmit alarm information to the remote terminal to remind the staff outside the well. At the same time, the flashing alarm light and buzzer alarm on the methane sensor body flash quickly and buzz to alarm. This structure realizes the function of enhancing the alarm effect.

[0016] (2) By providing a methane sensor body, a mounting plate, a mounting slot, a mounting block, a limit stop bar and a stopper, before installing the equipment, the mounting plate is first installed in the area to be detected in the mine, the mounting plate is fixed by mounting bolts, and then the methane sensor body is installed on the mounting plate, the mounting blocks on both sides of the methane sensor body are inserted into the inside of the mounting slot, and then the limit stop bar is rotated to block the front end of the mounting block to achieve installation. This structure realizes the function of facilitating the rapid adjustment of the position of the methane sensor body and facilitating the rapid disassembly of the methane sensor body;

[0017] (3) By providing a protective cover, a positioning block, a handle and a positioning slot, the protective cover can protect the outside of the display screen and the buttons. The protective cover can prevent the display screen from being damaged by heavy objects from the outside, or the buttons from being accidentally touched by the outside world and causing operational errors. During operation, the protective cover can be lifted up by holding the handle, and the positioning block on the protective cover can be moved out from the inside of the positioning slot. This structure realizes the function of easy protection. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a front cross-sectional structural schematic diagram of the present invention;

[0019] Figure 2 It is a front view structural schematic diagram of the present invention;

[0020] Figure 3 For the present invention Figure 1 The enlarged structural diagram at A in the middle;

[0021] Figure 4 It is a schematic diagram of the front view structure of the warning light of the present invention.

[0022] In the figure: 1. Methane sensor body; 2. Button; 3. Display screen; 4. Mounting plate; 5. Mounting slot; 6. Mounting block; 7. Fixing plate; 8. Power light; 9. Remote alarm module; 10. Flashing alarm light; 11. Buzzer alarm; 12. Alarm indicator light; 13. Mounting bolts; 14. Limit stop bar; 15. Air chamber; 16. Sensor connector; 17. Connecting wire; 18. Protective cover; 19. Positioning block; 20. Handle; 21. Positioning slot; 22. Block; 23. First wiring; 24. Second wiring. DETAILED DESCRIPTION

[0023] 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.

[0024] See also Figure 1-4An embodiment of the present invention is as follows: an upper corner core absorption methane sensor for underground coal mines comprises a methane sensor body 1 and a mounting plate 4, a display screen 3 is arranged at the front end of the methane sensor body 1, a power light 8 is arranged above the display screen 3, an alarm indicator light 12 is arranged on the right side of the power light 8, a button 2 is arranged below the display screen 3, a sensor connector 16 is installed on the left side of the bottom end of the methane sensor body 1, a connecting line 17 is installed at the bottom end of the sensor connector 16, an air chamber 15 is installed on the right side of the bottom end of the methane sensor body 1, and fixing plates 7 are fixedly connected to both sides of the mounting plate 4. , mounting card slots 5 are provided on both sides of the front end of the mounting plate 4, mounting card blocks 6 are fixedly connected to the tops of both sides of the methane sensor body 1, and the sides of the mounting card slots 5 are movably connected to the limit stop bars 14, and the front end of the methane sensor body 1 is movably hinged with a protective cover 18, and a remote alarm module 9 is installed inside the methane sensor body 1, and a flashing alarm light 10 is installed on the top of the methane sensor body 1, and a second wiring 24 is installed at the interface of the flashing alarm light 10, and a buzzer alarm 11 is provided on the right side of the flashing alarm light 10, and a first wiring 23 is installed at the interface of the buzzer alarm 11;

[0025] The buzzer alarm 11 is electrically connected to the remote alarm module 9 via a first connection 23, and the flashing alarm light 10 is electrically connected to the remote alarm module 9 via a second connection 24;

[0026] Specifically, Figure 1 and Figure 4 As shown, the sensor on the methane sensor body 1 can detect the concentration of methane. Once the methane concentration exceeds the standard value, the methane sensor body 1 can alarm. When the alarm occurs, the remote alarm module 9 inside the methane sensor body 1 can transmit alarm information to the remote terminal to remind the staff outside the well. At the same time, the flashing alarm light 10 and the buzzer alarm 11 on the methane sensor body 1 flash quickly and sound an alarm.

[0027] The mounting block 6 can be embedded in the mounting slot 5, the top and bottom ends of the limit stop bar 14 are fixedly connected with a stopper 22, the limit stop bar 14 is arranged at the front end of the mounting block 6, four sets of fixing plates 7 are arranged, and the fixing plates 7 are provided with mounting bolts 13;

[0028] Specifically, Figure 1 and Figure 3 As shown, the methane sensor body 1 is installed on the mounting plate 4, the mounting blocks 6 on both sides of the methane sensor body 1 are inserted into the interior of the mounting slot 5, and then the limit stop bar 14 is rotated to block the front end of the mounting block 6 to achieve installation. This structure makes it easy to quickly adjust the position of the methane sensor body 1 and to quickly disassemble the methane sensor body 1.

[0029] The protective cover 18 is made of visual glass, and the protective cover 18 covers the outside of the display screen 3 and the button 2. The bottom end of the protective cover 18 is fixedly connected with a positioning block 19, and the front end of the positioning block 19 is fixedly connected with a handle 20. The front end of the methane sensor body 1 is provided with a positioning slot 21, and the positioning block 19 is embedded in the positioning slot 21.

[0030] Specifically, Figure 1 and Figure 2 As shown, the protective cover 18 can protect the outside of the display screen 3 and the button 2. The protective cover 18 can prevent the display screen 3 from being damaged by heavy objects from the outside, or the button 2 from being accidentally touched by the outside and causing an operational error. During operation, the handle 20 can be held to lift the protective cover 18 upward, and the positioning block 19 on the protective cover 18 can be moved out from the inside of the positioning slot 21.

[0031] Working principle: Before installing the equipment, first install the mounting plate 4 in the area to be detected in the mine. The mounting plate 4 is fixed by the mounting bolts 13, and then the methane sensor body 1 is installed on the mounting plate 4. The mounting blocks 6 on both sides of the methane sensor body 1 are inserted into the inside of the mounting slot 5, and then the limit stop bar 14 is rotated to block the front end of the mounting block 6 to achieve installation. The sensor on the methane sensor body 1 can detect the concentration of methane. Once the methane concentration exceeds the standard value, the methane sensor body 1 can alarm. When the alarm occurs, the remote control inside the methane sensor body 1 The remote alarm module 9 can transmit alarm information to the remote terminal to remind the staff outside the well. At the same time, the flashing alarm light 10 and the buzzer alarm 11 on the methane sensor body 1 flash quickly and buzzer alarm. The protective cover 18 can protect the outside of the display screen 3 and the button 2. The protective cover 18 can prevent external heavy objects from damaging the display screen 3, or the external button 2 from accidentally touching the button 2 and causing operational errors. During operation, the handle 20 can be held to lift the protective cover 18 upwards, and the positioning block 19 on the protective cover 18 can be moved out from the inside of the positioning slot 21. This structure realizes the function of easy protection.

[0032] It will be apparent to those skilled in the art that the invention is not limited to the details of the exemplary embodiments described above and that the invention can be implemented in other specific forms without departing from the spirit or essential features of the invention. Therefore, the embodiments should be considered exemplary and non-limiting in all respects, and the scope of the invention is defined by the appended claims rather than the foregoing description, and it is intended that all variations falling within the meaning and scope of the equivalent elements of the claims be included in the invention. Any reference numeral in a claim should not be considered as limiting the claim to which it relates.

Claims

1. An upper corner core absorption methane sensor for underground coal mines, comprising a methane sensor body (1) and a mounting plate (4), characterized in that: The front end of the methane sensor body (1) is provided with a display screen (3), a power light (8) is provided above the display screen (3), an alarm indicator light (12) is provided on the right side of the power light (8), a button (2) is provided below the display screen (3), a sensor connector (16) is installed on the left side of the bottom end of the methane sensor body (1), a connecting line (17) is installed on the bottom end of the sensor connector (16), an air chamber (15) is installed on the right side of the bottom end of the methane sensor body (1), a fixing plate (7) is fixedly connected to both sides of the mounting plate (4), and mounting slots (5) are provided on both sides of the front end of the mounting plate (4). The top ends of both sides of the methane sensor body (1) are fixedly connected with mounting blocks (6), the sides of the mounting slots (5) are movably connected with limit stop bars (14), the front end of the methane sensor body (1) is movably hinged with a protective cover (18), a remote alarm module (9) is installed inside the methane sensor body (1), a flashing alarm light (10) is installed at the top end of the methane sensor body (1), a second wiring (24) is installed at the interface of the flashing alarm light (10), a buzzer alarm (11) is arranged on the right side of the flashing alarm light (10), and a first wiring (23) is installed at the interface of the buzzer alarm (11).

2. The upper corner core absorption methane sensor for underground coal mine according to claim 1, characterized in that: The buzzer alarm (11) is electrically connected to the remote alarm module (9) via a first connection (23).

3. The upper corner core absorption methane sensor for underground coal mine according to claim 1, characterized in that: The flashing warning light (10) is electrically connected to the remote warning module (9) via a second connection (24).

4. The upper corner core absorption methane sensor for underground coal mine according to claim 1, characterized in that: The installation block (6) can be embedded in the interior of the installation slot (5), the top and bottom ends of the limit stop bar (14) are fixedly connected with a stopper (22), and the limit stop bar (14) is arranged at the front end of the installation block (6).

5. The upper corner core absorption methane sensor for underground coal mine according to claim 1, characterized in that: Four groups of fixing plates (7) are provided, and mounting bolts (13) are provided on the fixing plates (7).

6. The upper corner core absorption methane sensor for underground coal mine according to claim 1, characterized in that: The protective cover (18) is made of visible glass material, and the protective cover (18) covers the outside of the display screen (3) and the button (2).

7. The upper corner core absorption methane sensor for underground coal mine according to claim 1, characterized in that: The bottom end of the protective cover (18) is fixedly connected to a positioning block (19), the front end of the positioning block (19) is fixedly connected to a handle (20), and the front end of the methane sensor body (1) is provided with a positioning slot (21).

8. The upper corner core absorption methane sensor for underground coal mines according to claim 7, characterized in that: The positioning card block (19) is embedded in the positioning card slot (21).

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