CN104675435A - Coal mine safety monitoring and controlling system - Google Patents
Coal mine safety monitoring and controlling system Download PDFInfo
- Publication number
- CN104675435A CN104675435A CN201310647458.1A CN201310647458A CN104675435A CN 104675435 A CN104675435 A CN 104675435A CN 201310647458 A CN201310647458 A CN 201310647458A CN 104675435 A CN104675435 A CN 104675435A
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- China
- Prior art keywords
- signal
- coal mine
- controlling
- mine safety
- safety monitoring
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Classifications
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F17/00—Methods or devices for use in mines or tunnels, not covered elsewhere
- E21F17/18—Special adaptations of signalling or alarm devices
Abstract
A coal mine safety monitoring and controlling system is provided. A controlling host is connected with an underground looped network platform by a network switch; the network switch is connected with a server; terminal equipment is connected with the looped network platform and is used for receiving a signal transmitted by a controlling substation from a long distance and sending the signal to the host to be treated; the signal of the host is received and is transmitted to the corresponding controlling substation. The coal mine safety monitoring and controlling system has the functions of collecting, transmitting, storing, processing, displaying and printing analog quantity, switching quantity and accumulated quantity, carrying out audible and visual alarm, controlling and the like and is used for monitoring methane concentration, carbon monoxide concentration, airspeed, air pressure, temperatures, smoke, a feed state, an air door state, an air barrel state, starting and stopping of partial ventilators, and starting and stopping of a main ventilator; methane overrun audible and visual alarm, power failure and methane wind power locking control are realized; the automation degree is high, and the content of each type of gas can be accurately detected; the safety of the underground protection is guaranteed.
Description
Technical field
The present invention relates to electronic information technical field, particularly relate to a kind of monitoring system for colliery.
Background technology
Monitoring mining monitoring system is come by the gas telemetry system of the Methane monitoring of simple function, on the spot power-off control and simple switch monitors operation simulation System Development, be used for monitoring methane concentration, carbonomonoxide concentration, gas concentration lwevel, oxygen concentration, concentration of hydrogen sulfide, mine dust density, wind speed, blast, humidity, temperature, feed condition, throttle condition, air duct state, booster start-stop, main blower fan start-stop etc., and realize methane and to transfinite the system of the functions such as sound and light alarm, power-off and the control of methane lock between air and electricity.It is low to there is automaticity in existing monitoring mining monitoring system, and stability and the problem such as precision is low, bring a lot of hidden danger to production.
Summary of the invention
In order to overcome the problems referred to above that existing monitoring mining monitoring system exists, the invention provides a kind of automated mine Safety monitoring system.
The technical scheme that the present invention is adopted for achieving the above object is: Coal Mine Safety Monitoring Systems, monitoring host computer is by network switch connecting downhole looped network platform, network switch connection server, terminal device connects looped network platform, receive the signal that outstation sends at a distance, and send host process; Receiving Host signal, and send corresponding outstation.
485 are adopted to communicate between described terminal device with looped network platform.
The maximum transmission distance of described sensor and executing agency's distance outstation is not more than 2km.
Monitoring mining monitoring system of the present invention, there is the function such as analog quantity, switching value, cumulative amount collection, transmission, storage, process, display, printing, sound and light alarm, control, for monitoring methane concentration, carbonomonoxide concentration, wind speed, blast, temperature, smog, feed condition, throttle condition, air duct state, booster start-stop, main fan start-stop, and realize transfinite sound and light alarm, power-off and methane lock between air and electricity of methane and control, automaticity is high, can accurately detect various gas content, ensure the safety of downhole production.
Accompanying drawing explanation
Fig. 1 is monitoring mining monitoring system schematic diagram of the present invention.
Detailed description of the invention
Monitoring mining monitoring system principle of the present invention as shown in Figure 1, Coal Mine Safety Monitoring Systems, monitoring host computer is by network switch connecting downhole looped network platform, network switch connection server, terminal device connects looped network platform, receive the signal that outstation sends at a distance, and send host process; Receiving Host signal, and send corresponding outstation.485 are adopted to communicate between described terminal device with looped network platform.Sensor: measurand is converted to the signal of telecommunication, executing agency's (containing sound and light alarm and display device): control signal is converted to controlled physical quantity, outstation: the signal receiving sensor, the maximum transmission distance of sensor and executing agency's distance outstation is generally not more than 2km, power supply box: by the essential safe type dc source of down-hole AC network Power convert needed for system, main website (or coffret): receive the signal that outstation sends at a distance, and send host process; Receiving Host signal, and send corresponding outstation, main frame and other equipment.Sensor type: the gas concentration sensor such as methane, CO, O2, H2S; The parameter sensors such as speed, displacement, pressure, temperature, electric current, voltage, flow; The state sensor such as opening and closing, position, sensing methane concentration device, carrier Thermal catalytic sensor: simple and practical, cheap: within 2200 yuan, the main flow of current domestic CH_4 detection: but range is little: 0-4%, life-span is short: about 1 year, the adjustment phase is short: 15 days, and reaction is slow: 30S, and easily there is H2S and high concentration methane poisoning.Interference of light sensor: opto-electronic conversion, technology does not break through, thermal conductivity sensor, measurement category 0 ~ 100%, but only within the scope of 8 ~ 60CH4%, meets required precision, is typically used as the measurement of high concentration section gas, measured value is greatly influenced by ambient temperature, not easily compensates, infrared sensor, measurement category can reach 0-100%, life-span 5-8, more than December adjustment phase, within reaction time 15S, within price 8000 yuan, outstation, receive the signal of sensor, and by the multiplex mode of making an appointment (time-devision system or frequency division system etc.) Long Distant Transmit to main website (or coffret), receiving (or coffret) multiplex signal (time-devision system or frequency division system) from main website simultaneously. outstation also has linearity correction, to transfinite differentiation, the simple data-handling capacity such as logical operation, the signal that signal and main website (or coffret) transmission of sensor input come is processed, control executing agency's work, the maximum transmission distance of sensor and executing agency's distance outstation is generally not more than 2km.Main website (or coffret) and main frame: receive the signal that outstation sends at a distance, and send host process; Receiving Host signal, and send corresponding outstation.Main website (or coffret) mainly completes the function such as modulation and demodulation, System self-test of the isolation of ground non-intrinsically safe safety type electric equipment and down-hole intrinsicallysafe electrical apparatus, the transmission controlling outstation and reception, multiplex signal.Main frame generally selects industry control microcomputer or common desktop microcomputer, two-shipper or multi-computer back-up.Main frame is mainly used to receive monitor signal, correction, warning differentiation, data statistics, disk storage, display, sound and light alarm, human-computer dialogue, output control, controls printout, connects with supervising the network.
The present invention is described by embodiment, and those skilled in the art know, without departing from the spirit and scope of the present invention, can carry out various change or equivalence replacement to these characteristic sum embodiments.In addition, under the teachings of the present invention, can modify to adapt to concrete situation and material to these characteristic sum embodiments and can not the spirit and scope of the present invention be departed from.Therefore, the present invention is not by the restriction of specific embodiment disclosed herein, and the embodiment in the right of all the application of falling into all belongs to protection scope of the present invention.
Claims (3)
1. Coal Mine Safety Monitoring Systems, is characterized in that: monitoring host computer passes through network switch connecting downhole looped network platform, network switch connection server, and terminal device connects looped network platform, receives the signal that outstation sends at a distance, and send host process; Receiving Host signal, and send corresponding outstation.
2. Coal Mine Safety Monitoring Systems according to claim 1, is characterized in that: adopt 485 to communicate between described terminal device with looped network platform.
3. Coal Mine Safety Monitoring Systems according to claim 1, is characterized in that: the maximum transmission distance of described sensor and executing agency's distance outstation is not more than 2km.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310647458.1A CN104675435A (en) | 2013-12-02 | 2013-12-02 | Coal mine safety monitoring and controlling system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310647458.1A CN104675435A (en) | 2013-12-02 | 2013-12-02 | Coal mine safety monitoring and controlling system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104675435A true CN104675435A (en) | 2015-06-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310647458.1A Pending CN104675435A (en) | 2013-12-02 | 2013-12-02 | Coal mine safety monitoring and controlling system |
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| CN (1) | CN104675435A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106053305A (en) * | 2016-05-17 | 2016-10-26 | 滨州学院 | System and method for monitoring inhalable particles in mining field |
| CN107218244A (en) * | 2017-07-28 | 2017-09-29 | 淮南阿兰维斯特电器有限公司 | A kind of ventilation blower monitoring system |
| CN108731927A (en) * | 2018-04-20 | 2018-11-02 | 上海华力微电子有限公司 | A kind of loading area air door monitoring method of diffusion furnace tube |
| CN109268073A (en) * | 2018-11-16 | 2019-01-25 | 宁波创盛仪表有限公司 | A kind of gas in mine metering safety monitoring system |
| CN112230078A (en) * | 2020-08-31 | 2021-01-15 | 煤科集团沈阳研究院有限公司 | Device and method for testing methane wind power locking function of coal mine monitoring system |
-
2013
- 2013-12-02 CN CN201310647458.1A patent/CN104675435A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106053305A (en) * | 2016-05-17 | 2016-10-26 | 滨州学院 | System and method for monitoring inhalable particles in mining field |
| CN107218244A (en) * | 2017-07-28 | 2017-09-29 | 淮南阿兰维斯特电器有限公司 | A kind of ventilation blower monitoring system |
| CN108731927A (en) * | 2018-04-20 | 2018-11-02 | 上海华力微电子有限公司 | A kind of loading area air door monitoring method of diffusion furnace tube |
| CN109268073A (en) * | 2018-11-16 | 2019-01-25 | 宁波创盛仪表有限公司 | A kind of gas in mine metering safety monitoring system |
| CN109268073B (en) * | 2018-11-16 | 2021-04-06 | 宁波创盛仪表有限公司 | Mining gas measurement safety monitoring system |
| CN112230078A (en) * | 2020-08-31 | 2021-01-15 | 煤科集团沈阳研究院有限公司 | Device and method for testing methane wind power locking function of coal mine monitoring system |
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Application publication date: 20150603 |