CN-121978274-A - Movable dampproof gas detection device and application method thereof

CN121978274ACN 121978274 ACN121978274 ACN 121978274ACN-121978274-A

Abstract

The invention discloses a movable dampproof gas detection device and a use method thereof. The explosion-proof and moisture-proof device comprises an explosion-proof and moisture-proof shell, wherein holes are densely distributed on the whole body, the inside of the explosion-proof and moisture-proof shell is divided into an upper electric appliance cabin and a lower sensor cabin through a physical baffle plate, a wireless communication and processing module, a battery module and a motor are installed in the upper electric appliance cabin, an output shaft of the motor stretches into the lower sensor cabin and is connected with a fan, gas detection equipment and a porous air-permeable drying agent disc are further arranged in the lower sensor cabin, a display alarm device is arranged on the surface of the explosion-proof and moisture-proof shell, and the bottom of the explosion-proof and moisture-proof shell is connected with an external movable support through a support fixing interface. Through the design of active dampproof and flexible deployment of a hardware layer and by combining the edge intelligence and collaborative early warning algorithm of a software layer, a three-dimensional mine gas safety protection closed loop from accurate perception, advanced early warning to rapid collaborative response is constructed, and the active defense capacity and intelligent management level of a mine for coping with gas disasters are remarkably improved.

Inventors

Dong Pingbo
WEN SHIPING
LIU JIE
JIANG ZHIZHONG
LI ZONGPU
WANG CHEN
ZUO SHAOJIE

Assignees

贵州新恒基矿业有限公司
贵州大学

Dates

Publication Date: 20260505
Application Date: 20260114

Claims (9)

1. A movable dampproof gas detection device is characterized by comprising an explosion-proof dampproof shell (1) with densely distributed holes on the whole body, wherein the interior of the explosion-proof dampproof shell (1) is divided into an upper electric appliance cabin and a lower sensor cabin through a physical baffle plate (3), a wireless communication and processing module (2), a battery module (11) and a motor (12) are arranged in the upper electric appliance cabin, an output shaft of the motor (12) stretches into the lower sensor cabin and is connected with a fan (6), gas detection equipment (5) and a porous ventilation drying agent disc (9) are further arranged in the lower sensor cabin, a display alarm device (13) is arranged on the surface of the explosion-proof dampproof shell (1), and the bottom of the explosion-proof dampproof shell (1) is connected with an external movable support (14) through a support fixing interface (7).
2. The movable moisture-proof gas detection device of claim 1, wherein a lateral dust-proof gauze (4) is fixed on the inner side of the explosion-proof moisture-proof housing (1) of the lower sensor cabin, a bottom dust-proof gauze (8) is fixed on the bottom of the explosion-proof moisture-proof housing (1), and a fan (6), a gas detection device (5) and a porous ventilation drying agent disc (9) are arranged in a cavity enclosed by the lateral dust-proof gauze (4) and the bottom dust-proof gauze (8).
3. The movable dampproof gas detection device is characterized in that a motor (12) stretches into an output shaft of a lower sensor cabin, a protection tube (10) is sleeved on the output shaft, a porous breathable drying agent disc (9) and gas detection equipment (5) are sequentially sleeved on the protection tube (10) from bottom to top, a hydrophobic filter gauze is adopted by a side dustproof gauze (4) and a bottom dustproof gauze (8), and a nanometer hydrophobic breathable film is arranged on the inner side of the filter gauze.
4. The movable moisture-proof gas detection device of claim 1, wherein the external movable support (14) is of a triangular telescopic supporting leg structure, a strong magnetic chuck structure or a hanging structure, when the external movable support is of the hanging structure, the external movable support (14) comprises a threaded connector (15), the other end of the threaded connector (15) is connected with a metal hook (16), an anchor rod interface (17) is arranged on the metal hook (16), when the external movable support is of the strong magnetic chuck structure, the external movable support (14) comprises a threaded connecting rod (19), the bottom of the threaded connecting rod (19) is connected with a mounting seat, the mounting seat is hinged with a movable connecting rod (18), and the other end of the movable connecting rod (18) is hinged with a high magnetic base (20).
5. A movable moisture-proof gas detection apparatus as claimed in claim 1, wherein said porous air-permeable desiccant disc (9) comprises a porous removable tray in which a super absorbent desiccant is placed and the surface of which is covered with an air-permeable mesh.
6. A mobile moisture resistant gas detection apparatus as in claim 1 wherein said gas detection device (5) comprises a modular sensor array comprising a plurality of individual smart sensor sockets, said array comprising at least catalytic combustion sensors and electrochemical sensors.
7. The movable moisture-proof gas detection device as claimed in claim 1, wherein the display alarm device (13) comprises an ultra-bright LED multicolor indicator lamp, a high-decibel buzzer and a vibration motor; The wireless communication and processing module (2) comprises an intelligent early warning algorithm unit and a device self-checking and service life predicting unit, wherein the intelligent early warning algorithm unit can analyze gas concentration data based on a time sequence, can predict concentration development in a specific time period in the future according to a change trend of the gas concentration before the gas concentration reaches a preset alarm threshold and send a trend early warning signal, and the device self-checking and service life predicting unit is used for automatically executing sensor baseline calibration and performance diagnosis at regular intervals, predicting the residual service life of the sensor by analyzing the signal attenuation characteristic of the sensor and generating maintenance prompt information.
8. A method of using the mobile moisture-resistant gas detection device of any one of claims 1-7, comprising the steps of: s1, flexibly arranging, namely selecting a proper deployment mode, namely a ground area monitoring mode, an equipment attachment monitoring mode or a roof space monitoring mode according to the terrain and the structure of an area to be monitored, and ensuring that a power supply is started; S2, self-checking and networking, namely automatically executing sensor and system self-checking after the device is started, automatically accessing a mine safety monitoring network through a Wi-Fi network, and reporting the equipment ID, the position state and the self-checking result; s3, continuously monitoring and intelligent analysis, namely continuously sampling the environmental gas by the device, processing data in real time by the wireless communication and processing module, running an intelligent early warning algorithm, and predicting trend of the slowly-changed gas risk; S4, step alarming and information synchronization, namely immediately starting a local acousto-optic vibration alarm of a corresponding level by the device when the gas concentration is detected to reach a preset threshold value or a remarkable dangerous trend is identified, and synchronously uploading alarm event, real-time data and position information to a monitoring center through a wireless communication and processing module and broadcasting the alarm event, the real-time data and the position information to a related mobile inspection terminal in the system; And S5, data management and maintenance, namely continuously storing monitoring data in the local of the device and uploading the monitoring data to the cloud, and arranging planned maintenance by the monitoring platform according to the received equipment self-checking and life prediction information and replacing the sensor module with performance attenuation in advance.
9. The method of claim 8, wherein in S3, the intelligent pre-warning algorithm is specifically configured to predict a variation trace of a specific gas concentration in a future period of time by using a historical concentration data sequence through an exponential smoothing or ARIMA time sequence model, and trigger a trend pre-warning when the predicted concentration exceeds a low-level alarm threshold with a high probability.

Description

Movable dampproof gas detection device and application method thereof Technical Field The invention relates to a movable dampproof gas detection device and a use method thereof, and belongs to the technical field of gas detection equipment. Background The underground production environment of mines is complex, and gas disasters such as abnormal concentration of gas, carbon monoxide, hydrogen sulfide and oxygen are main safety threats. Currently, mine gas monitoring mainly depends on two types of equipment, namely a fixed online monitoring system and a portable detector. However, when the two types of equipment are used for dealing with extreme environments of underground moisture, dustiness and space variability, part of defects exist, and the requirements of modern mine on safety monitoring flexibility, reliability and intelligence are difficult to meet. In terms of environmental adaptability, the existing equipment has insufficient moisture resistance. Downhole, particularly near mining face, return air corners, and drainage points. In the current mainstream gas sensors such as electrochemistry, catalytic combustion and the like, the core sensitive element is easy to dilute electrolyte and the electrode is easy to corrode in a high-humidity environment, so that detection signal drift, response time extension and false alarm frequently occur. In the monitoring mode, there is a contradiction between "mobility" and "area monitoring capability". The portable four-in-one detector carried by miners is flexible to move, but the monitoring range is limited to the periphery of individuals, and effective space continuous monitoring cannot be formed for one working surface, one roadway or the whole refuge chamber. The equipment with the area monitoring function is often huge in volume, is very inconvenient to carry and install in a low, narrow and sundry accumulation underground roadway, and cannot be rapidly and flexibly distributed along with the propulsion of a working surface. Therefore, an innovative device is needed for underground safety monitoring, which can overcome the humid environment in the underground environment, has portability and space coverage capability of area monitoring equipment, and realizes pre-warning. Disclosure of Invention The invention aims to provide a movable moistureproof gas detection device for mines. The system can overcome a humid environment in an underground environment, has portability and space coverage capability of area monitoring equipment, and realizes pre-warning. The technical scheme includes that the movable dampproof gas detection device comprises an explosion-proof dampproof shell with densely distributed holes on the whole body, wherein the interior of the explosion-proof dampproof shell is divided into an upper electric appliance cabin and a lower sensor cabin through a physical baffle plate, a wireless communication and processing module, a battery module and a motor are arranged in the upper electric appliance cabin, an output shaft of the motor extends into the lower sensor cabin and is connected with a fan, gas detection equipment and a porous breathable drying agent disc are further arranged in the lower sensor cabin, a display alarm device is arranged on the surface of the explosion-proof dampproof shell, and the bottom of the explosion-proof dampproof shell is connected with an external movable support through a support fixing interface. In the movable dampproof gas detection device, the inner side of the explosion-proof dampproof casing of the lower sensor cabin is fixedly provided with a lateral dustproof gauze, the bottom of the explosion-proof dampproof casing is fixedly provided with a bottom dustproof gauze, and the fan, the gas detection equipment and the porous breathable drying agent disc are arranged in a cavity surrounded by the lateral dustproof gauze and the bottom dustproof gauze. In the movable dampproof gas detection device, the motor stretches into the output shaft of the lower sensor cabin, the protection pipe is sleeved on the output shaft of the lower sensor cabin, the protection pipe is sequentially sleeved with the porous breathable drying agent disc and the gas detection equipment from bottom to top, the side dustproof gauze and the bottom dustproof gauze adopt hydrophobic filter gauze, and the inner side of the filter gauze is provided with the nanometer hydrophobic breathable film. In the movable dampproof gas detection device, the external movable support is of a triangular telescopic supporting leg structure, a strong magnetic chuck structure or a hanging structure, when the movable support is of the hanging structure, the external movable support comprises a threaded connector, the other end of the threaded connector is connected with a metal hook, an anchor rod interface is arranged on the metal hook, when the movable support is of the strong magnetic chuck structure, the external movable support comprises a threaded connecting r