Safety protection mechanism based on mine air compressor conveying pipeline carbon monoxide monitoring

Abstract

The utility model provides a safety protection mechanism based on mine air compressor conveying pipeline carbon monoxide monitoring, which comprises a monitoring channel, one end of the monitoring channel is connected with the air output end of an air compressor, the other end of the monitoring channel is connected with a mine air supply pipe, and the inner diameter of the monitoring channel is a pipeline structure with two large ends and a small middle part. A first carbon monoxide sensor capable of monitoring the interior of the monitoring channel is arranged in the middle of the monitoring channel, an opening and closing valve is arranged in the monitoring channel close to one end of the air supply pipe, the opening and closing valve and the first carbon monoxide sensor are respectively connected with a controller through signal lines, and the controller is further connected with a control switch of the air compressor and the air supply valve; according to the protection structure, the content of carbon monoxide in compressed air of the air supply pipeline can be monitored in real time, when the monitored value of the carbon monoxide exceeds a set value, the air compressor in operation is shut down in time, the air supply valve is closed, and therefore air supply to the underground is stopped, and the underground air supply safety is guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the field of mine air compressor system, concretely relates to the safety protection mechanism based on one carbon monoxide monitoring of mine air compressor delivery pipeline. BACKGROUND

[0002] The coal mine air compressor system is one of the necessary systems for normal production of the coal mine, is the power source of the pneumatic tool in the coal mine, is the necessary condition of the mine air pressure self-help system, and is the important guarantee for the safety work of the staff in the coal mine, however, when the air compressor system supplies air through the air supply pipe, the air contains carbon monoxide composition, when the carbon monoxide content in the delivered air exceeds the standard, the life safety of the staff is seriously affected, however, at present, the coal mine air pressure system does not monitor the carbon monoxide in the compressed air in the mine air supply pipeline, greatly reduces the safety of the underground air supply. CONTENT OF THE UTILITY MODEL

[0003] The utility model discloses a safety protection mechanism based on one carbon monoxide monitoring of mine air compressor delivery pipeline, through the real-time monitoring of the carbon monoxide content in the compressed air of the air supply pipeline, when the carbon monoxide monitoring value exceeds the set value, the running air compressor is stopped and the air supply valve is closed in time, thereby stopping the air supply to the underground, ensuring the safety of the underground air supply, and the specific scheme is as follows:

[0004] The safety protection mechanism based on one carbon monoxide monitoring of mine air compressor delivery pipeline, including monitoring channel, monitoring channel one end is connected with air compressor wind power output end, the other end is connected with mine air supply pipe, the inside diameter of monitoring channel is the pipe structure that two ends are big and the middle part is small, the middle of monitoring channel is equipped with a first carbon monoxide sensor that can monitor its inside, the monitoring channel near the air supply pipe one end is equipped with a open-close valve, the open-close valve and first carbon monoxide sensor are connected with controller respectively through signal line, the controller is also connected with the control switch of air compressor and air supply valve.

[0005] Further, the monitoring channel of the first carbon monoxide sensor side is also provided with a second carbon monoxide sensor that can monitor its inside, and the second carbon monoxide sensor is connected with the controller through a signal line.

[0006] Further, the upper side of the air inlet end of the monitoring channel is communicated with an exhaust pipe, the gas outlet of the exhaust pipe is upwardly arranged, and a control valve is arranged in the exhaust pipe.

[0007] Further, an exhaust fan is further arranged in the exhaust pipe, the exhaust fan is driven by a driving motor, and the driving motor is connected with the controller through a signal line.

[0008] Further, the monitoring channel is provided with two mounting seats on the upper part, and the first carbon monoxide sensor and the second carbon monoxide sensor are respectively detachably arranged on the two mounting seats.

[0009] Further, the monitoring channel is provided with a sealing washer between the air compressor and the air outlet end and between the monitoring channel and the mine air supply pipe.

[0010] The utility model discloses the beneficial effect is:

[0011] The utility model discloses a safety protection mechanism based on carbon monoxide monitoring of mine air compressor conveying pipeline, can carry out real -time monitoring to the carbon monoxide content in the compressed air of air supply pipeline, stops the air compressor in operation and closes the air supply valve in time when the carbon monoxide monitoring value exceeds the set value, thereby stops the air supply to the downhole, ensures the downhole air supply safety, specifically, when the carbon monoxide sensor detects that the carbon monoxide content in the monitoring channel exceeds the set value, the carbon monoxide sensor transmits the signal to the controller, and the controller can control the on-off valve to close the monitoring channel and cut off the air supply, at the same time, the controller controls the control switch of air compressor and closes the air supply valve, and the controller controls the control valve in the exhaust pipe to open, further makes the exhaust fan work and extracts the air in the monitoring channel. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 It is the structural schematic diagram of the utility model.

[0013] Figure 2 It is the side view of the utility model.

[0014] Figure 3 It is Figure 2 It is the A-A section view of the utility model.

[0015] The reference signs are explained as follows: monitoring channel 1, first carbon monoxide sensor 2, on-off valve 3, second carbon monoxide sensor 4, exhaust pipe 5, control valve 6, driving motor 7, mounting seat 8. DETAILED DESCRIPTION

[0016] The technical scheme in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model, and apparently, the described embodiments only are a part of the embodiments of the utility model, not all the embodiments.

[0017] Refer to Figures 1-3, based on the safety protection mechanism of mine air compressor delivery pipeline carbon monoxide monitoring, including monitoring channel 1, monitoring channel 1 one end is connected with air compressor wind power output end, the other end is connected with mine air supply pipe, wherein monitoring channel 1 both ends are respectively through flange and air compressor wind power output end and mine air supply pipe can be detachably connected, the inside diameter of monitoring channel 1 is the pipeline structure of two ends big and middle small, the middle of monitoring channel 1 is provided with a first carbon monoxide sensor 2 that can monitor its inside, a monitoring channel 1 is provided with a opening and closing valve 3 near the end of air supply pipe, the opening and closing valve 3 and the first carbon monoxide sensor 2 are connected with controller respectively through signal line, the controller is also connected with the control switch of air compressor and air supply valve.

[0018] The first carbon monoxide sensor 2 side of monitoring channel 1 is also provided with a second carbon monoxide sensor 4 that can monitor its inside, and the second carbon monoxide sensor 4 is connected with the controller through a signal line, wherein the setting of the two carbon monoxide sensors can improve the accuracy and reliability of carbon monoxide monitoring.

[0019] The upper side of the gas inlet end of the monitoring channel 1 is communicated with an exhaust pipe 5, and the gas outlet of the exhaust pipe 5 is arranged upwardly, and a control valve 6 is arranged in the exhaust pipe 5, wherein the setting of the exhaust pipe 5 facilitates the exhaust of residual air in the monitoring channel 1 when the opening and closing valve 3 is closed, so as to avoid the damage of the opening and closing valve 3 caused by the sudden increase of the internal pressure of the monitoring channel 1.

[0020] An exhaust fan is further arranged in the exhaust pipe 5, and the exhaust fan is driven by a driving motor 7, and the driving motor 7 is connected with the controller through a signal line, wherein the setting of the exhaust fan facilitates the rapid exhaust of the air in the monitoring channel 1.

[0021] Preferably, two mounting seats 8 are arranged on the upper part of the monitoring channel 1, and the first carbon monoxide sensor 2 and the second carbon monoxide sensor 4 are detachably arranged on the two mounting seats 8 respectively.

[0022] Sealing washers are arranged between the monitoring channel 1 and the air compressor wind power output end and between the monitoring channel 1 and the mine air supply pipe respectively, so as to effectively ensure the sealing property of the connecting portions of the monitoring channel 1.

[0023] The working principle of the utility model is as follows: when the two carbon monoxide sensors detect that the carbon monoxide content in the monitoring channel 1 exceeds the set value, the carbon monoxide sensor transmits a signal to the controller, the controller can control the opening and closing valve 3 to close and cut off the air supply of the monitoring channel 1, at the same time, the controller controls the control switch of the air compressor to be closed and the air supply valve to be closed, and the controller controls the control valve 6 in the exhaust pipe 5 to be opened, and further drives the driving motor 7 to drive the exhaust fan to work and accelerate the exhaust of the air in the monitoring channel 1, so as to achieve the purpose of stopping the air supply to the underground and ensuring the safety of the underground air supply.

[0024] It will be obvious to a person skilled in the art that the application is not limited to the details of the foregoing exemplary embodiments and can be implemented in other concrete forms without departing from the spirit or essential characteristics of the application. The embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the application being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein and no

[0025] Furthermore, it should be understood that although the description is made on the basis of the embodiments, not every embodiment contains only one independent technical solution, and the description is made in this way only for the sake of clarity, and a person skilled in the art should consider the description as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by a person skilled in the art.

Claims

1. A safety protection mechanism based on carbon monoxide monitoring in the delivery pipeline of a mining air compressor, characterized in that: The system includes a monitoring channel (1), one end of which is connected to the air compressor's air output end via a flange, and the other end is connected to the mine's air supply pipe. The monitoring channel (1) has an internal diameter that is larger at both ends and smaller in the middle. A first carbon monoxide sensor (2) is installed in the middle of the monitoring channel (1) to monitor its internal structure. An opening and closing valve (3) is installed in the monitoring channel (1) near the air supply pipe. The opening and closing valve (3) and the first carbon monoxide sensor (2) are respectively connected to the controller via signal lines. The controller is also connected to the air compressor's control switch and the air supply valve.

2. The safety protection mechanism based on carbon monoxide monitoring of the conveying pipeline of a mining air compressor according to claim 1, characterized in that: A second carbon monoxide sensor (4) is also provided in the monitoring channel (1) on one side of the first carbon monoxide sensor (2), which can monitor its interior. The second carbon monoxide sensor (4) is connected to the controller via a signal line.

3. The safety protection mechanism based on carbon monoxide monitoring of the conveying pipeline of a mining air compressor according to claim 1, characterized in that: The upper side of the air inlet of the monitoring channel (1) is connected to an exhaust pipe (5), the outlet of the exhaust pipe (5) is set upward, and a control valve (6) is provided inside the exhaust pipe (5).

4. The safety protection mechanism based on carbon monoxide monitoring of the conveying pipeline of a mining air compressor according to claim 3, characterized in that: The exhaust pipe (5) is also equipped with a fan, which is driven by a drive motor (7), and the drive motor (7) is connected to the controller via a signal line.

5. The safety protection mechanism based on carbon monoxide monitoring of the conveying pipeline of a mining air compressor according to claim 1, characterized in that: The monitoring channel (1) is provided with two mounting bases (8) on the upper part, and the first carbon monoxide sensor (2) and the second carbon monoxide sensor (4) are respectively detachably mounted on the two mounting bases (8).

6. The safety protection mechanism based on carbon monoxide monitoring of the conveying pipeline of a mining air compressor according to claim 1, characterized in that: Sealing gaskets are provided between the monitoring channel (1) and the air compressor's air output end, and between the monitoring channel (1) and the mine's air supply pipe.

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