The Explosion-Proof Thermal Camera Used In Coal Mine Roadhea

Yoseen infrared is a company focusing on the R & D, production and sales of temperature - measuring infrared thermal camera. Our thermal cameras are widely used in human body temperature measurement, metallurgy, power system, security and other fields.

System introduction: In the coal system, the engineering quality of the mine is an important problem in the mining of the coal mine. The safe, reliable and accurate data and information of the underground detection can timely face the mine problem for the enterprise. Moreover, the detection of the equipment operation condition and the safety prevention and control work such as the coal pile fire hazard are also particularly important. By carrying out underground coal mine detection work and coal pile mine mining temperature monitoring work, the staff can do research work, protection and improvement measures in advance, so that the coal mining work less detours to improve work efficiency, can also improve the mining safety coefficient, prevent the occurrence of accidents hidden dangers. Infrared thermal camera has the characteristics of non-contact, accurate and fast temperature measurement, and has become an irreplaceable tool in coal system detection. The small-scale mine intrinsically safe infrared thermal camera, developed and produced by us, can be applied to mine operation. It has intrinsically safe coal safety certification and is a good helper for underground mine safety detection.

I. Infrared thermal camera is applied to safe and efficient mining of mine roadheader

1. The thermal camera is equipped with a roadheader to check the distribution of hidden fire areas and the location of fire sources

We research the coal mine safety in production of thermal camera installed on the coal mining machine, without any light source is zero under the intensity of illumination, in defiance of a large number of dust particles, can also clear imaging, accurate temperature measurement, provide machine infrared heat maps and temperature data of mine ahead of tunnel wall coal temperature detection and data analysis, showing high and low temperature, found that the air leakage of roadway, the temperature of the coal wall, such as coal pillar broken cause abnormal and even coal oxidation temperature, fire detection and other safety hidden dangers timely warning, and auxiliary staff quickly find hidden dangers, to take protective measures, It provides a strong guarantee for safety and efficient operation of roadheader.

Coal seam leakage leads to oxidation, which releases carbon monoxide and heat. Heat gradually accumulates to the ignition point and spontaneous combustion occurs, resulting in downhole fire. There are always some micro-cracks in the coal seam, and the heat conduction, heat convection and heat diffusion of the micro-gases cause the local temperature change on the surface of the coal seam. The infrared thermal camera can observe the coal wall of the roadway in real time, and detect the areas with overheating temperature through sound and light alarm, so as to take effective measures to avoid spontaneous combustion. The infrared thermal camera adopts the overall real-time imaging technology, which can show the thermal distribution of the observed objects, so as to distinguish the overheated area and find out the hidden trouble points (better than the point measurement of infrared temperature detector), which greatly improves the working efficiency and reduces the probability of misjudgment. Infrared thermal camera has the function of image storage, which can freeze image storage and analyze it accurately in computer.

2. The thermal camera is equipped with a roadheader to check roof caving and water permeation

Infrared thermal camera does not need visible light to take heat map. In closed wall and coal seam section, it can quickly check the temperature on the surface of coal wall, and help operators to judge whether there is a large area of water seepage and permeation according to the temperature difference and temperature change.

Roadheader mining operation

II. Infrared thermal camera is equipped with mine robot for equipment patrol inspection and mine rescue

1. Infrared thermal camera is equipped with mine robot for power equipment and transport belt inspection

There are a lot of high-power electrical equipment in the mine, such as motors, large hydraulic pump stations, substations, bearings in repeated operation, and winches. After a long time of operation, high temperature will be generated. However, it is difficult to find that the infrared thermal camera is very intuitive to check the equipment's heating, over temperature, and potential accidents. The infrared thermal camera can detect the temperature change of all electrical equipment and cables under the normal operation of power supply equipment and mining equipment. According to the temperature distribution and temperature change, the infrared thermal camera can determine whether there is a fault and whether it needs to be repaired according to the temperature rise. At the same time, the non-contact method can be adopted to detect the hidden trouble of all kinds of switches, joints and transformers in the underground central and mining area substation, the temperature rise of water pump, local fan, explosion-proof motor and power equipment (power cable), and the heating state of conveyor and transport belt, so as to timely identify the state of equipment and eliminate hidden trouble.

With infrared thermal camera can be inspection robot for mine instead of artificial leather belt machine room equipment and the environment within a wide range, the 24-hour patrol, inspection, after using can make the work intensity have fallen sharply, effectively reduce the risk of work, improve the safety coefficient, achieved the effect of forecast and prevention in advance and the realization of the aim of attrition to effect.

2. Infrared thermal camera carrying mining robot for mining rescue

Mine safety type thermal camera using infrared coal smoke dust penetration performance is strong, the characteristics of non-contact, rapid, accurate, even in a large amount of dust in smoke can provide clear vision and find the target location, auxiliary to help rescue workers under the environment of coal dust, smoke, dark, and so on the rescue work, quickly find survivors. At the same time, it can effectively improve the safety of rescue workers in the rescue operation, is a powerful tool for mine disaster rescue.

The specific application scope of infrared thermal camera for coal mine includes

1. Check distribution and location of hidden fire sources underground;

2. Check the permeable water of roof and mining area;

3. Check all kinds of electrical and power equipment for potential accidents;

4. Check and prevent spontaneous combustion caused by coal accumulation;

5. The misfire;

6. Seeking help in the mine disaster;

7. Test the ignition of waste hill on the ground

In mines, coal piles, coal, coal powder transmission and other places, even under bad conditions, infrared thermal camera can still observe the heat in the field of view, no contact, fast use.

Yoseen explosion-proof thermal imaging dual-spectrum

V. Introduction of thermal imaging monitoring system for underground operation of coal mine

Yoseen supports the monitoring of intrinsically safe briquette and explosion-proof infrared thermal camera, which meets the safety monitoring needs of the coal mine industry. It is equipped with professional system software with automatic retrieval function and linkage alarm function. The thermal imaging monitoring system for underground coal mine operation adopts advanced passive infrared thermal imaging technology, combined with computer processing technology and automatic control technology, which ensures monitoring at any time during the day and night, clear imaging under zero illumination and over temperature alarm. Yoseen coal mine infrared thermal camera adopts infrared camera to monitor the measured objects in real time. The supporting software interface has a double-light fusion mode, which can not only see the temperature distribution, but also see the actual condition of the object surface. The system is different from the point-type infrared thermometer (which can only monitor the temperature at a certain point). It can cover the surface of the measured object without leakage and monitor the change of the surface temperature of the measured object. Automatically track and analyze the single or multiple "hot spots" of the monitored object. Once the temperature exceeds the threshold or there is a combustion, an alarm signal will be issued, and the fire control system will be connected to start the corresponding measures.

technical parameter

III. Explosion-proof thermal camera is used to monitor fire hazards such as spontaneous combustion of coal piles

Prevent spontaneous combustion caused by coal accumulation

After mining, coal is stacked in different areas according to grades. We cannot rule out spontaneous combustion of coal piles caused by rising temperatures. The infrared thermal camera of Yoseen explosion-proof type with a cradle head can be used to continuously monitor the hot spots of the coal pile. When fire hazards are found, the infrared thermal camera will continue to locate the excessive temperature outdoors automatically and trigger the alarm automatically. After receiving the alarm, the staff can be reminded to take cooling measures such as drenching to avoid the occurrence of fire. It can realize omni-direction real-time monitoring of coal pile, full-screen temperature search, over temperature alarm and temperature difference alarm. Generally, explosion-proof infrared thermal camera can be installed on the roof of indoor coal pile according to the situation of on-site coal pile and pass through the cradle head

Rotation to achieve the monitoring of all angles, real-time temperature measurement, real-time temperature alarm.

IV. Introduction and characteristics of Yoseen explosion-proof infrared thermal camera

Depends the optimal development of the letter M series type infrared thermal camera by Shanghai institute of technology quality inspection and issue a report, in line with the state bureau of coal mine safety standard of infrared thermal camera, mine intrinsically safe product is this Ann and Ann certification, coal explosion protection standard IP54, national coal mine explosion-proof and safety in production in strict accordance with the requirements of design and production, adapted to contain gas or coal dust explosion hazard of coal mine environment. M series intrinsic safety infrared thermal camera housing USES reinforced ABS engineering plastic, the weight is only about 100g, convenient and compact; In the absence of zero illuminance, it can still pass through coal dust particles to explore hidden dangers in deep places. It adopts accurate temperature measurement technology and has clear imaging. Support CVBS and HDMI video output; Supporting professional software to provide data analysis and management; In addition, the product can automatically add multiple or a single hot spot tracking to the monitored object. Once the temperature exceeds the threshold value, the fire control system will be connected immediately and alarm signal will be started, which largely avoids the occurrence of safety accidents.

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