Mini-type dust concentration sensor for coal mine

Abstract

The utility model provides a coal mine miniature dust concentration sensor, which comprises a transparent protective shell, a transparent cover plate and a main shell, rubber blocks are respectively mounted on the left side and the right side of the transparent protective shell, a rubber plate is mounted below the transparent protective shell, a mounting groove is formed in the main shell, a through hole plate is mounted on the rear side of a through groove, and the mounting groove is communicated with the rear side of the through groove. An electric push rod is mounted on the rear side of the mounting groove, a motor is mounted below the mounting plate, gears are mounted at the output shaft end of the motor and the lower ends of the rotating shafts correspondingly, and cleaning brushes are mounted in the middles of the lower portions of the gears correspondingly. The dust removal device solves the problems that the dust removal device is simple in structure and common in overall protection performance, is reasonable in structure and good in practicability, improves the protection effect of the device body by arranging the protection mechanism, cleans stubborn dust attached to the wall of the through groove through a cleaning brush, and widens the cleaning range.

Description

Technical Field

[0001] The utility model is a micro dust concentration sensor for coal mines, belonging to the technical field of mine early warning equipment. Background Art

[0002] In order to protect the personal and property safety of workers working in mines, each mining company must equip its own mines with mining dust sensors to detect the dust concentration in the mines. However, the existing mining dust sensors are not equipped with particularly effective cleaning devices. As a result, the sensors and other components inside will be affected by long-term dust collection, affecting the use and detection effect, and also reducing the service life of the equipment.

[0003] Chinese Patent No.: CN210953732U, mentions a dust concentration sensor for mining. In addition to using an air pump to suck out part of the accumulated dust through the through slot, the first motor can also be used to rotate the threaded shaft and the threaded slot, and at the same time the limit column moves in the limit slot, so that the cleaning block moves downward out of the storage slot to clean the dust on the tempered glass surface of the laser emitter and the light intensity sensor. The bottom cover is opened by the second motor, so that the cleaning sponge can push part of the accumulated dust in the shell out of the shell, so as to maintain the use sensitivity of the equipment for a long time. However, the cleaning range of this device is general, and it is not convenient to better clean the stubborn dust attached to the through slot wall, and the overall protection is general. Now there is an urgent need for a miniature dust concentration sensor for coal mines to solve the above problems. Utility Model Content

[0004] In view of the shortcomings of the prior art, the purpose of the utility model is to provide a miniature dust concentration sensor for coal mines to solve the problems raised in the above-mentioned background technology. The utility model has a reasonable structure and good practicality. The protection effect of the device body is improved by setting a protective mechanism, and the stubborn dust attached to the wall of the through groove is cleaned by a cleaning brush, thereby enhancing the cleaning range.

[0005] In order to achieve the above-mentioned purpose, the utility model is realized through the following technical scheme: a micro dust concentration sensor for coal mines, comprising a transparent protective shell, a transparent cover plate and a main shell, rubber blocks are respectively installed on the left and right sides of the transparent protective shell, a rubber plate is installed below the transparent protective shell, a plug-in slot is opened on the upper side of the transparent protective shell, a guide rail is symmetrically installed on the inner bottom surface of the transparent protective shell, a rubber strip is symmetrically installed above the transparent cover plate, the transparent cover plate is inserted above the transparent protective shell through the plug-in slot, a through slot is opened on the left side of the main shell, a mounting slot is opened inside the main shell, a through-hole plate is installed on the rear side of the through slot, the mounting slot is connected to the rear side of the through slot, an electric push rod is installed on the rear side of the mounting slot, a mounting plate is installed on the output end of the electric push rod, a motor is installed below the mounting plate, a plurality of rotating shafts are rotatably installed below the mounting plate, gears are respectively installed on the output shaft end of the motor and the lower ends of the plurality of rotating shafts, the plurality of gears are meshed and connected with each other, and cleaning brushes are respectively installed in the middle below the plurality of gears.

[0006] Furthermore, a square groove is formed through the front side of the transparent protective shell, and a shielding cover is movably installed on the front side of the square groove.

[0007] Furthermore, guide bars are symmetrically installed below the main shell, and the two guide bars are movably connected to the two guide rails respectively. An air pump is installed on the right side of the main shell, and the output end of the air pump is connected to the through groove.

[0008] Furthermore, a display screen is installed above the main shell, and a power supply slot is opened at the front end of the main shell.

[0009] Furthermore, a light intensity sensor installation groove is formed on the upper side wall of the through groove, a light intensity sensor is installed in the light intensity sensor installation groove, and a laser emitter installation groove is formed on the lower side wall of the through groove, a laser emitter is installed inside the laser emitter installation groove.

[0010] Furthermore, the laser emitter is arranged directly below the light intensity sensor, and optically tempered glass is respectively installed at the upper end of the laser emitter installation slot and the lower end of the light intensity sensor installation slot, and the light intensity sensor is electrically connected to the display screen.

[0011] The beneficial effects of the utility model: the utility model is a miniature dust concentration sensor for coal mines. Because the utility model adds a cleaning brush, a motor, an electric push rod, a transparent protective shell, gears and an air pump, our design improvement and actual use have shown that the device has a reasonable structure and good practicality. The protection effect of the device body is improved by setting a protective mechanism, and the stubborn dust attached to the wall of the through groove is cleaned by a cleaning brush, thereby enhancing the cleaning range. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Other features, objects and advantages of the present invention will become more apparent by reading the detailed description of non-limiting embodiments with reference to the following drawings:

[0013] Figure 1 This is a three-dimensional schematic diagram of the internal structure of a transparent protective shell of a miniature dust concentration sensor for coal mines according to the utility model from a first angle;

[0014] Figure 2 This utility model is a kind of micro dust concentration sensor for coal mine Figure 1 A three-dimensional enlarged schematic diagram of the structure at A;

[0015] Figure 3 This is a three-dimensional schematic diagram of the internal structure of a transparent protective shell of a miniature dust concentration sensor for coal mines according to the utility model from a second angle;

[0016] Figure 4 This is a three-dimensional schematic diagram of the main housing structure of a miniature dust concentration sensor for coal mines according to the utility model;

[0017] Figure 5 This is a three-dimensional schematic diagram of the overall structure of a miniature dust concentration sensor for coal mines according to the utility model;

[0018] Figure 6 This is a three-dimensional schematic diagram of the cross-sectional structure of the main shell of a miniature dust concentration sensor for coal mines according to the utility model at a first angle;

[0019] Figure 7 This is a perspective schematic diagram of the cross-sectional structure of the main housing of a miniature dust concentration sensor for coal mines according to the utility model at a second angle;

[0020] Figure 8 This is a three-dimensional schematic diagram of the cross-sectional structure of the main shell of a miniature dust concentration sensor for coal mines according to the utility model at a third angle;

[0021] Fig. 9 This is a schematic diagram of the main housing cross-section structure at a fourth angle of the utility model of a miniature dust concentration sensor for coal mines;

[0022] Fig.10 This utility model is a kind of micro dust concentration sensor for coal mine Figure 7 A three-dimensional enlarged schematic diagram of the structure at location B.

[0023] In the figure: 1-transparent protective shell, 2-transparent cover, 3-rubber strip, 4-rubber block, 5-rubber plate, 6-shielding cover, 7-plug slot, 8-main shell, 9-display screen, 10-power slot, 11-square slot, 12-guide rail, 13-guide strip, 14-air pump, 15-through slot, 16-through hole plate, 17-mounting slot, 18-electric push rod, 19-mounting plate, 20-light intensity sensor, 21-gear, 22-rotating shaft, 23-motor, 24-cleaning brush, 25-tempered glass, 26-laser transmitter mounting slot, 27-laser transmitter, 28-light intensity sensor mounting slot. DETAILED DESCRIPTION

[0024] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0025] See also Figure 1-Figure 10 The utility model provides a technical solution: a micro dust concentration sensor for coal mines, comprising a transparent protective shell 1, a transparent cover plate 2 and a main shell 8, rubber blocks 4 are respectively installed on the left and right sides of the transparent protective shell 1, a rubber plate 5 is installed below the transparent protective shell 1, a plug-in slot 7 is opened on the upper side of the transparent protective shell 1, a guide rail 12 is symmetrically installed on the inner bottom surface of the transparent protective shell 1, a rubber strip 3 is symmetrically installed above the transparent cover plate 2, the transparent cover plate 2 is inserted above the transparent protective shell 1 through the plug-in slot 7, a through slot 15 is opened on the left side of the main shell 8, a mounting slot 17 is opened inside the main shell 8, and a through hole is installed on the rear side of the through slot 15 Plate 16, the mounting groove 17 is connected with the rear side of the through groove 15, an electric push rod 18 is installed on the rear side of the mounting groove 17, a mounting plate 19 is installed on the output end of the electric push rod 18, a motor 23 is installed below the mounting plate 19, and a plurality of rotating shafts 22 are rotatably installed below the mounting plate 19, gears 21 are respectively installed on the output shaft end of the motor 23 and the lower ends of the plurality of rotating shafts 22, the plurality of gears 21 are meshed and connected with each other, and cleaning brushes 24 are respectively installed in the middle below the plurality of gears 21. This design solves the problems that the cleaning range of the original device is general, it is not convenient to better clean the stubborn dust attached to the through groove wall, and the overall protectiveness is general.

[0026] As the first embodiment of the utility model, a square groove 11 is formed through the front side of the transparent protective shell 1, and a shielding cover 6 is movably installed on the front side of the square groove 11. By setting the shielding cover 6, the position of the main shell 8 can be adjusted to increase space.

[0027] A guide bar 13 is symmetrically installed below the main housing 8, and the two guide bars 13 are movably connected to the two guide rails 12 respectively. An air pump 14 is installed on the right side of the main housing 8, and the output end of the air pump 14 is connected to the through slot 15. A display screen 9 is installed above the main housing 8, and a power-on slot 10 is provided at the front end of the main housing 8. Through the cooperation between the two guide bars 13 and the two guide rails 12 respectively, the position of the main housing 8 is conveniently adjusted. The setting 14 can absorb the outside air, the setting of the display screen 9 is convenient for displaying data, and the setting of the power-on slot 10 is convenient for energizing the electrical components in the device.

[0028] A light intensity sensor mounting groove 28 is provided on the upper side wall of the through groove 15, and a light intensity sensor 20 is installed in the light intensity sensor mounting groove 28. A laser emitter mounting groove 26 is provided on the lower side wall of the through groove 15, and a laser emitter 27 is installed in the laser emitter mounting groove 26. Through the cooperation between the light intensity sensor 20 and the laser emitter 27, the light intensity sensor 20 can be used to receive and sense the laser emitted by the laser emitter 27, thereby obtaining the dust concentration.

[0029] The laser emitter 27 is arranged directly below the light intensity sensor 20. Tempered glass 25 is respectively installed at the upper end of the laser emitter mounting groove 26 and the lower end of the light intensity sensor mounting groove 28. The light intensity sensor 20 is electrically connected to the display screen 9. By setting the tempered glass 25, it is convenient for the light intensity sensor 20 to protect the laser emitter 27.

[0030] As a second embodiment of the utility model: a wire is arranged inside the main shell 8, so that the power-on slot 10 is electrically connected to the air pump 14, the electric push rod 18, the light intensity sensor 20, the motor 23 and the laser emitter 27 respectively. When in use, the power-on slot 10 is powered on, and then the device is hung in the mine cave through the handle at the rear end of the transparent protective shell 1, and then the shielding cover 6 is opened, and the main shell 8 is pulled. At this time, the two guide bars 13 move along the two guide rails 12 respectively, so that the through slot 15 is exposed to the outside world, and then the air pump 14 is started to absorb the air around the mine cave, and the air enters the through slot 15. The laser emitter 27 emits a laser to irradiate the air, and the light intensity sensor 20 receives and senses The laser intensity is measured and displayed on the display screen 9. The weaker the laser intensity, the more dust there is in the air. When the through slot 15 needs to be cleaned, the electric push rod 18 is started to move the mounting plate 19, so that the multiple cleaning brushes 24 pass through the multiple through holes on the through-hole plate 16 and contact the side wall of the through slot 15. The motor 23 is started, and the multiple gears 21 rotate to drive the multiple cleaning brushes 24 to clean the side wall of the through slot 15. After cleaning, the multiple cleaning brushes 24 are reset to pour the dust out from the end of the through slot 15. The two rubber strips 3, the two rubber blocks 4, the rubber plate 5, the transparent protective shell 1 and the transparent cover plate 2 are convenient for observing the main shell 8 and have a good protective effect on the main shell 8.

[0031] The above shows and describes the basic principles and main features of the utility model and the advantages of the utility model. For those skilled in the art, it is obvious that the utility model is not limited to the details of the above exemplary embodiments, and can be implemented in other specific forms without departing from the spirit or basic features of the utility model. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive. The scope of the utility model is defined by the attached claims rather than the above description, and it is intended to include all changes within the meaning and scope of the equivalent elements of the claims. Any figure mark in the claims should not be regarded as limiting the claims involved.

[0032] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A miniature dust concentration sensor for coal mines, comprising a transparent protective shell (1), a transparent cover plate (2) and a main shell (8), characterized in that: The transparent protective shell (1) is provided with rubber blocks (4) on both sides thereof, a rubber plate (5) is provided below the transparent protective shell (1), a plug-in slot (7) is provided on the upper side of the transparent protective shell (1), a guide rail (12) is symmetrically provided on the inner bottom surface of the transparent protective shell (1), a rubber strip (3) is symmetrically provided above the transparent cover plate (2), and the transparent cover plate (2) is plugged onto the upper side of the transparent protective shell (1) through the plug-in slot (7); A through slot (15) is provided on the left side of the main housing (8), a mounting slot (17) is provided inside the main housing (8), a through-hole plate (16) is installed on the rear side of the through slot (15), the mounting slot (17) is communicated with the rear side of the through slot (15), an electric push rod (18) is installed on the rear side of the mounting slot (17), a mounting plate (19) is installed on the output end of the electric push rod (18), a motor (23) is installed below the mounting plate (19), a plurality of rotating shafts (22) are rotatably installed below the mounting plate (19), gears (21) are respectively installed on the output shaft end of the motor (23) and the lower ends of the plurality of rotating shafts (22), the plurality of gears (21) are meshed and connected with each other, and cleaning brushes (24) are respectively installed in the middle below the plurality of gears (21).

2. The micro dust concentration sensor for coal mine according to claim 1, characterized in that: A square groove (11) is formed through the front side of the transparent protective shell (1), and a shielding cover (6) is movably mounted on the front side of the square groove (11).

3. The micro dust concentration sensor for coal mine according to claim 1, characterized in that: A guide bar (13) is symmetrically installed below the main shell (8), and the two guide bars (13) are movably connected to the two guide rails (12) respectively. An air pump (14) is installed on the right side of the main shell (8), and the output end of the air pump (14) is connected to the through groove (15).

4. The micro dust concentration sensor for coal mine according to claim 1, characterized in that: A display screen (9) is installed above the main housing (8), and a power supply slot (10) is provided at the front end of the main housing (8).

5. The micro dust concentration sensor for coal mine according to claim 1, characterized in that: The upper side wall of the through slot (15) is provided with a light intensity sensor mounting slot (28), in which a light intensity sensor (20) is mounted; the lower side wall of the through slot (15) is provided with a laser emitter mounting slot (26), in which a laser emitter (27) is mounted.

6. A coal mine micro dust concentration sensor according to claim 5, characterized in that: The laser emitter (27) is arranged directly below the light intensity sensor (20), and tempered glass (25) is respectively installed at the upper end of the laser emitter installation groove (26) and the lower end of the light intensity sensor installation groove (28), and the light intensity sensor (20) is electrically connected to the display screen (9).

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