CN213580840U

CN213580840U - Air quality detection device for underground coal mining

Info

Publication number: CN213580840U
Application number: CN202022171764.0U
Authority: CN
Inventors: 郭利; 田燕彪; 武婷斌; 曹英豪
Original assignee: Xinjiang Changji Heze Tengda Mining Co ltd
Current assignee: Xinjiang Changji Heze Tengda Mining Co ltd
Priority date: 2020-09-28
Filing date: 2020-09-28
Publication date: 2021-06-29
Anticipated expiration: 2030-09-28

Abstract

The utility model discloses an air quality detection device is used in coal mining in pit, including detecting the machine and gathering the end, be connected with the trachea between the tip of detecting the machine and the tip of gathering the end, the bottom outer wall that detects the machine is equipped with at least three detection spud pile, and detects the inner wall of spud pile and have the function to detect the piece through threaded connection, top outer wall one side fixedly connected with temperature compensation head that detects the machine, and the top outer wall opposite side that detects the machine is equipped with and replaces the detection piece, the outer wall that detects the machine is equipped with display screen, function selection district and adjusting panel. The utility model discloses a detect the organism and gather the end and constitute, gather the end and gather circulation air admission organism detection end and realize detecting, but the deep gaseous collection of multiple spot and multiwell, gather the end and be equipped with temperature, wind speed, pressure differential and dust detection, the organism is equipped with the gaseous detection of carbon monoxide, carbon dioxide, oxygen and gas, synthesizes both ends data, whether the gas in the detection pit accords with the requirement of going into the well, improves the security.

Description

Air quality detection device for underground coal mining

Technical Field

The utility model relates to a coal mining safety equipment technical field in the pit especially relates to an air quality detection device is used in coal mining in the pit.

Background

Coal deposits are layered, the distribution range is wide, the reserves are large, the coal is crisp and easy to cut and break, the exploitation is often accompanied by disasters such as water, fire, gas and the like, and compared with the exploitation of other mineral reserves, the coal mining technology has different characteristics. The mining modes are open-pit mining and underground mining. Mechanized methods are generally employed; a small number of hydraulic coal mining; underground gasification of coal is still in the experimental stage.

The gas in the colliery needs to be detected before current coal mining underworkings, and wherein indexes such as carbon dioxide, carbon monoxide all need be in the scope, just can guarantee the physical and mental health of underworkings staff, and current quality testing is through taking a sample at the wind gap, and its sample representativeness is not enough, and a lot of detection index is not specific moreover, influences holistic air quality and detects the precision.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing an air quality detection device for underground coal mining.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

an air quality detection device for underground coal mining comprises a detection machine and a collection end, wherein an air pipe is connected between the end part of the detection machine and the end part of the collection end, the outer wall of the bottom end of the detection machine is provided with at least three detection fixing piles, the inner wall of each detection fixing pile is connected with a function detection piece through threads, one side of the outer wall of the top part of the detection machine is fixedly connected with a temperature compensation head, the other side of the outer wall of the top part of the detection machine is provided with a replacement detection piece, the outer wall of the detection machine is provided with a display screen, a function selection area and an adjusting panel, the function selection area is positioned between the display screen and the adjusting panel, an indicator lamp is arranged above the display screen, the inner wall of the detection machine is provided with a main air pipe, one end of the main air pipe is connected with a miniature suction pump in a butt-clamp manner, the outer wall of the bottom, the inner wall of detection machine is equipped with PCB, and PCB passes through the wire and detects electric connection between spud pile, display screen, function selection district and the adjusting panel, the function detects the piece and includes connector, sensor and the body of rod, and the end connection of connector is on the tip outer wall of the body of rod, the sensor is located the inner wall axis department of the body of rod, the collection end includes support, fan and test bar, and the tip and the support of test bar are connected, the both ends of fan are passed through the hub connection at the inner wall middle part of support, the inner wall of test bar is equipped with temperature sensor, air velocity transducer and dust sensor, and temperature sensor, air velocity transducer and dust sensor's signal end is connected with microprocessor through the signal line.

As a further scheme of the utility model, the inner wall fixedly connected with battery of detection machine, and the tip of battery passes through electric connection between wire and the miniature suction pump.

As a further scheme of the utility model, the sensor includes carbon monoxide sensor, oxygen concentration sensor, carbon dioxide concentration sensor and VOC sensor, and the signal end of sensor is connected through signal line and PCB.

As a further proposal of the utility model, the bottom outer wall fixedly connected with trachea connector of test bar, and the inner wall joint of trachea connector has the filter stopper.

As a further aspect of the present invention, the bottom outer wall of the detection rod is provided with an air vent, and the air vent is linked together with the connecting branch pipe through the inside of the detection rod.

As a further aspect of the present invention, the fan is connected to a switch, and the switch is connected to the PCB through a wire.

As a further scheme of the utility model, still include the air inlet cover body and rotary seal cover, the limit joint is on the tip outer wall of fan in the tip of the air inlet cover body, and rotary seal cover's tip rotates and connects on the inner wall of the air inlet cover body.

As a further proposal, the bottom outer wall of the air inlet cover body is connected with a ventilation groove, and the end outer wall of the ventilation groove is communicated with the inside of the detection rod.

The utility model has the advantages that:

1. the air quality detection device consists of a detection machine body and a collection end, the collection end collects circulating air and enters the detection end of the machine body to realize detection, the detection machine body and the collection end are both portable to wear, and gas collection can be carried out at multiple points and multiple well depths, so that the detection result is more representative, and the detection result precision is improved;

2. the collecting end of the air quality detection device is provided with temperature, wind speed, pressure difference and dust detection, the air quality detection device enters a detection body to detect the components in the air, the content of carbon monoxide, carbon dioxide, oxygen and gas is integrated with the data at the two ends, whether the underground air meets the requirement of going into the well or not is detected, and the safety of staff going into the well is improved;

3. the detection data in the air quality detection device are visually expressed through the display screen, so that reading and reference are facilitated, the data type of detection can be replaced, the sensing part of the function detection part is arranged in the replacement mode, and adaptation detection is carried out according to different detection data requirements in the underground.

Drawings

Fig. 1 is a schematic perspective view of an embodiment 1 of an air quality detection apparatus for underground coal mining according to the present invention;

FIG. 2 is a schematic view of the internal structure of a detector in embodiment 1 of the air quality detection apparatus for underground coal mining according to the present invention;

FIG. 3 is a schematic diagram of a side view of the collecting end of an embodiment 1 of the air quality detecting apparatus for underground coal mining according to the present invention;

FIG. 4 is a schematic structural view of a functional detection unit in an embodiment 1 of the air quality detection apparatus for underground coal mining according to the present invention;

fig. 5 is a schematic diagram of an end side view structure of an embodiment 2 of the air quality detection device for underground coal mining according to the present invention.

In the figure: the device comprises a detector 1, a function detection piece 2, an air pipe 3, a collection end 4, a display screen 5, an indicator lamp 6, a temperature compensation head 7, a replacement detection piece 8, a function selection area 9, an adjusting panel 10, a miniature suction pump 11, a PCB12, a connecting branch pipe 13, a storage battery 14, a main air pipe 15, a fan 16, a support 17, a temperature sensor 18, an air speed sensor 19, a dust sensor 20, a filter plug 21, a connector 22, a sensor 23, an air vent 24, an air inlet cover 25, a rotary sealing cover 26 and a ventilation groove 27.

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.

Example 1

Referring to fig. 1-4, an air quality detection device for underground coal mining comprises a detection machine 1 and a collection end 4, an air pipe 3 is connected between the end of the detection machine 1 and the end of the collection end 4, at least three detection fixing piles are arranged on the outer wall of the bottom end of the detection machine 1, the inner walls of the detection fixing piles are connected with a function detection part 2 through threads, a temperature compensation head 7 is fixedly connected to one side of the outer wall of the top of the detection machine 1, a replacement detection part 8 is arranged on the other side of the outer wall of the top of the detection machine 1, a display screen 5, a function selection area 9 and an adjusting panel 10 are arranged on the outer wall of the detection machine 1, the function selection area 9 is positioned between the display screen 5 and the adjusting panel 10, an indicator lamp 6 is arranged above the display screen 5, a main air pipe 15 is arranged on the inner wall of the detection machine 1, a micro suction pump 11 is connected to one end of the main air pipe 15 in, and the inner wall of the connecting branch pipe 13 is communicated with the inner wall of the detection fixing pile, the inner wall of the detection machine 1 is provided with a PCB12, the PCB12 is electrically connected with the detection fixing pile through a lead, the display screen 5, the function selection area 9 and the adjusting panel 10, the function detection part 2 comprises a connector 22, a sensor 23 and a rod body, the end part of the connector 22 is connected with the outer wall of the end part of the rod body, the sensor 23 is positioned at the central axis of the inner wall of the rod body, the acquisition end 4 comprises a bracket 17, a fan 16 and a detection rod, the end part of the detection rod is connected with the bracket 17, the two ends of the fan 16 are connected with the middle part of the inner wall of the bracket 17 through shafts, the inner wall of the detection rod is provided with a temperature sensor 18, an air speed sensor 19 and a dust sensor 20, the signal ends of the temperature sensor 18, the air, and battery 14's tip passes through electric connection between wire and the miniature sucking pump 11, sensor 23 includes carbon monoxide sensor, oxygen concentration sensor, carbon dioxide concentration sensor and VOC sensor, and the signal end of sensor 23 is connected through signal line and PCB12, the bottom outer wall fixedly connected with trachea connector of measuring staff, and the inner wall joint of trachea connector has filtering plug 21, the bottom outer wall of measuring staff is equipped with air vent 24, and air vent 24 is linked together through the inside and the connecting branch 13 of measuring staff, fan 16 is connected with the switch, and the switch is connected through wire and PCB 12.

The working principle of the embodiment is as follows: when this air quality detection device for coal mining in pit uses, connect collection end 4 and detection machine 1 through trachea 3, gather circulation air through collection end 4 and get into organism detection end and realize detecting, it all portably wears to detect organism and collection end 4, can carry out gaseous collection with the multiwell depth by multiple spot, collection end 4 is equipped with temperature sensor 18, wind speed sensor 19 and dust sensor 20 realize the temperature, the wind speed, pressure differential and dust detection, it detects to the composition in the gas to get into in detecting the organism, it utilizes function detection spare 2 to detect carbon monoxide, carbon dioxide, the content of oxygen and other gases, synthesize the data at both ends, it directly reads and compares through display screen 5 to detect data, whether the operation of can going into the well.

Example 2

Referring to fig. 5, the present embodiment is different from embodiment 1 in that the present embodiment further includes an air inlet cover 25 and a rotary sealing cover 26, an inner edge of an end of the air inlet cover 25 is connected to an outer wall of an end of the fan 16 in a clamping manner, an end of the rotary sealing cover 26 is rotatably connected to an inner wall of the air inlet cover 25, an outer wall of a bottom end of the air inlet cover 25 is connected to a ventilation slot 27, and an outer wall of an end of the ventilation slot 27 is communicated with an inside of the detection rod.

The working principle of the embodiment is as follows: based on the embodiment 1, the rotary sealing cover 26 and the air inlet cover body 25 are added, the unpowered state of detecting the wind speed and the dynamic sealing state of extracting air can be realized, the end part of the fan 16 forms a sealing structure through the rotation of the rotary sealing cover 26 and the air inlet cover body 25, the air sucked by the micro-suction pump 11 and the fan 16 cannot be influenced by the wind speed, and the sampling randomness is improved.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", "first", "second", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The air quality detection device for underground coal mining comprises a detection machine (1) and a collection end (4), and is characterized in that an air pipe (3) is connected between the end part of the detection machine (1) and the end part of the collection end (4), at least three detection fixing piles are arranged on the outer wall of the bottom end of the detection machine (1), a function detection piece (2) is connected to the inner wall of each detection fixing pile through threads, a temperature compensation head (7) is fixedly connected to one side of the outer wall of the top part of the detection machine (1), a replacement detection piece (8) is arranged on the other side of the outer wall of the top part of the detection machine (1), a display screen (5), a function selection area (9) and an adjusting panel (10) are arranged on the outer wall of the detection machine (1), the function selection area (9) is located between the display screen (5) and the adjusting panel (10), an indicator lamp (6) is arranged above the display screen (5), the inner wall of the detector (1) is provided with a main air pipe (15), one end of the main air pipe (15) is connected with a micro suction pump (11) in a butt-clamp manner, the bottom outer wall of the main air pipe (15) is connected with a connecting branch pipe (13), the inner wall of the connecting branch pipe (13) is communicated with the inner wall of the detection fixing pile, the inner wall of the detector (1) is provided with a PCB (12), the PCB (12) is electrically connected with the detection fixing pile, a display screen (5), a function selection area (9) and an adjusting panel (10) through wires, the function detection piece (2) comprises a connector (22), a sensor (23) and a rod body, the end part of the connector (22) is connected onto the end part outer wall of the rod body, the sensor (23) is located at the inner wall central axis of the rod body, the collection end (4) comprises a support (17), a fan (16) and a detection rod, and the end part of, the two ends of the fan (16) are connected to the middle of the inner wall of the support (17) through shafts, the inner wall of the detection rod is provided with a temperature sensor (18), an air speed sensor (19) and a dust sensor (20), and the signal ends of the temperature sensor (18), the air speed sensor (19) and the dust sensor (20) are connected with a microprocessor through signal lines.

2. The air quality detection device for underground coal mining according to claim 1, characterized in that a storage battery (14) is fixedly connected to the inner wall of the detection machine (1), and the end of the storage battery (14) is electrically connected with the micro suction pump (11) through a lead.

3. The air quality detecting device for underground coal mining according to claim 1, characterized in that the sensors (23) comprise a carbon monoxide sensor, an oxygen concentration sensor, a carbon dioxide concentration sensor and a VOC sensor, and a signal end of the sensor (23) is connected with the PCB (12) through a signal wire.

4. The air quality detection device for underground coal mining according to claim 1, wherein an air pipe connector is fixedly connected to the outer wall of the bottom end of the detection rod, and a filter plug (21) is clamped on the inner wall of the air pipe connector.

5. The air quality detecting device for underground coal mining according to claim 3, characterized in that the outer wall of the bottom end of the detecting rod is provided with a vent hole (24), and the vent hole (24) is communicated with the connecting branch pipe (13) through the inside of the detecting rod.

6. The air quality detection device for underground coal mining according to claim 1, characterized in that the fan (16) is connected with a switch, and the switch is connected with the PCB (12) through a lead.

7. The air quality detection device for underground coal mining according to claim 1, further comprising an air inlet cover body (25) and a rotary sealing cover (26), wherein the inner edge of the end of the air inlet cover body (25) is clamped on the outer wall of the end of the fan (16), and the end of the rotary sealing cover (26) is rotatably connected to the inner wall of the air inlet cover body (25).

8. The air quality detection device for underground coal mining according to claim 7, characterized in that a ventilation groove (27) is connected to the outer wall of the bottom end of the air inlet cover body (25), and the outer wall of the end part of the ventilation groove (27) is communicated with the inside of the detection rod.