CN105370319A - Coal mine safety monitoring system - Google Patents
Coal mine safety monitoring system Download PDFInfo
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- CN105370319A CN105370319A CN201510721205.3A CN201510721205A CN105370319A CN 105370319 A CN105370319 A CN 105370319A CN 201510721205 A CN201510721205 A CN 201510721205A CN 105370319 A CN105370319 A CN 105370319A
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- circuit
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- coal mine
- monitoring system
- safety monitoring
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 58
- 239000003245 coal Substances 0.000 title claims abstract description 39
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 39
- 238000001514 detection method Methods 0.000 abstract description 12
- 230000005669 field effect Effects 0.000 abstract 1
- 230000008859 change Effects 0.000 description 4
- 239000000835 fiber Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000005065 mining Methods 0.000 description 4
- 230000002159 abnormal effect Effects 0.000 description 3
- 238000007689 inspection Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 230000032683 aging Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000010365 information processing Effects 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000001186 cumulative effect Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 230000003862 health status Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000013307 optical fiber Substances 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 230000002269 spontaneous effect Effects 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK 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
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Alarm Systems (AREA)
Abstract
The invention discloses a coal mine safety monitoring system and belongs to the technical field of coal mine safety monitoring. The coal mine safety monitoring system comprises a gas sensor, a temperature sensor, a mine earthquake sensor, a signal processing circuit, an alarm circuit, a proximal terminal, a remote terminal and a detection feedback circuit, wherein the detection feedback circuit is used for monitoring the temperature of the gas sensor, the temperature sensor and the mine earthquake sensor in real time and carrying out feedback control of working voltage or current of the gas sensor, the temperature sensor and the mine earthquake sensor; the detection feedback circuit comprises a field effect tube, a thermistor, a resistor and a control circuit. The coal mine safety monitoring system is capable of monitoring the coal mine operation environment for 24 hours in real time and informing the operating workers and the remote monitoring system once the hidden danger is found; the operating workers can leave the scene in time and the safety departments take rescue measures in time, so that the disaster loss is minimized.
Description
Technical field
The present invention relates to a kind of Coal Mine Safety Monitoring System, belong to coal mine safety monitoring technical field.
Background technology
Mine safety accidents frequently occurs in recent years, and the safety of therefore coal mining just seems particularly important.Various Coal Mine Safety Monitoring System arises at the historic moment.
Application number is 201310647458.1, the applying date is that the application for a patent for invention on December 2nd, 2013 discloses a kind of 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.The monitoring mining monitoring system of this 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.
Application number is 201410155998.2, the applying date a kind of safety of coal mines comprehensive monitoring platform that has been the disclosure of the invention on April 18th, 2014, comprises Surveillance center, subsurface environment monitoring subsystem, the real-time positioning subsystem in staff down-hole, downhole video Monitor And Control Subsystem and sacurity dispatching supervision subsystem.The location of personnel situation abnormal information that the real-time positioning subsystem of the warning message that subsurface environment monitoring subsystem sends and staff down-hole sends is uploaded to Surveillance center; After downhole video Monitor And Control Subsystem receives the alarm information processing order or location of personnel situation abnormal information processing command that Surveillance center sends, the The Cloud Terrace at automatic switchover warning message origination point or location of personnel situation abnormal area place and shooting head group also carry out real-time recording; In addition, sacurity dispatching supervision subsystem and the real-time positioning subsystem collaborative work in staff down-hole, the tour of accurately complete writing task personnel puts in place situation.Between each subsystem, effective coordinated management and control in real time, reaches mine safety Intellectualized monitoring and management.
Application number is 201410033360.1, the applying date a kind of coal mine gas safe and intelligent cruising inspection system that has been the disclosure of the invention on January 24th, 2014, it belongs to underground coal mine site safety and detects and communication technical field, is applicable to country, province and district, city and Coal Mine Group safety manager at different levels and strengthens downhole safety management work.It is made up of gas safety intelligent inspection system software, ground network, database, server, client, printer, downhole network, AP, address card, personnel's card and mining portable safety patrol inspection cloud terminal etc.Safety manager uses portable cloud terminal to gather the data such as gas and density of carbon dioxide gas in down-hole, can sound and light alarm if any data over run, and data can be uploaded in real time in ground system and related personnel's mobile phone.The leaders mainly thoroughly achieving responsible safety of any gas monitoring system that this invention is different from the past can grasp mine safety status whenever and wherever possible.This invention runs through on-the-spot chronically, brings good economic and social benefit to coal mining enterprise.
Application number is 201410545321.X, the applying date a kind of all-fiber Coal Mine Safety Monitoring System that has been the disclosure of the invention on October 15th, 2014, comprises wideband light source, optical fiber circulator, Multichannel photoswitch array, fiber sensing module and Signal acquiring and processing module; Fiber sensing module comprises grating spontaneous fire monitoring sensor, grating reinforcing bar ground beam sensor, grating ore deposit shake sensor.The Real-Time Monitoring that this invention adopts a wideband light source can realize integrated informations such as underground coal mine temperature, strain, ore deposit shakes, adopt the mode of all-fiber Multi-sensor Fusion to provide abundant database information to overall merit underground coal mine health status, be applicable to the detection requirement of adverse circumstances.
Current Coal Mine Safety Monitoring System is when realizing warning function, and the safeguard information mostly collected by the sensor in this Coal Mine Safety Monitoring System sends collection signal to Surveillance center.If sensor is damaged, Coal Mine Safety Monitoring System normally cannot upload alarm signal to Surveillance center, and namely this Coal Mine Safety Monitoring System can not play a role.
Summary of the invention
In order to solve the problem, the present invention proposes a kind of Coal Mine Safety Monitoring System, to the operating environment monitoring in real time in 24 hours in colliery, once scent a hidden danger, timely notice is just in workman and the long distance control system of operation, the workman being convenient to operation withdraws scene in time and security department takes rescue measure, the loss of disaster is dropped to minimum.
The present invention adopts following technical scheme for solving its technical problem:
A kind of Coal Mine Safety Monitoring System, comprise firedamp sensor, temperature pick up, ore deposit shake sensor, signal processing circuit, warning circuit, short range terminal and remote terminal, wherein firedamp sensor, temperature pick up, ore deposit shake sensor are connected with signal processing circuit respectively, signal processing circuit is connected with warning circuit, and warning circuit is connected with short range terminal and remote terminal respectively;
Also comprise first, second and third and detect feedback circuit, described first detects the temperature of feedback circuit for Real-Time Monitoring firedamp sensor, and carries out FEEDBACK CONTROL to firedamp sensor operating voltage or electric current, and first detects feedback circuit is connected with firedamp sensor; Described second detects the temperature of feedback circuit for Real-Time Monitoring temperature pick up, and carries out FEEDBACK CONTROL to temperature pick up operating voltage or electric current, and second detects feedback circuit is connected with temperature pick up; Described 3rd detects feedback circuit is used for the temperature that Real-Time Monitoring ore deposit shakes sensor, and carries out FEEDBACK CONTROL to ore deposit shake working sensor voltage or electric current, and the 3rd detection feedback circuit shakes sensor with ore deposit and is connected;
Described first, second and third detects feedback circuit and includes FET, thermistor, resistance and control circuit, the control pole of FET is connected with resistance, thermistor respectively, the grounded drain of FET, the source electrode connection control circuit of FET, the control pole of FET is connected with the common port of thermistor with resistance, the other end ground connection of thermistor, another termination power of resistance.
As a preferred technical solution of the present invention: described warning circuit is voice alarm circuit.
As a preferred technical solution of the present invention: described voice alarm circuit adopts WT588D speech chip.
As a preferred technical solution of the present invention: described warning circuit is sound light alarming circuit.
As a preferred technical solution of the present invention: described remote terminal comprises mobile phone, PDA and computer.
A kind of Coal Mine Safety Monitoring System of the present invention, adopts above technical scheme compared with prior art, has following technique effect:
(1) detection feedback circuit is added in Coal Mine Safety Monitoring System of the present invention, for the real-time monitoring to signals collecting sensor, avoid occurring signals collecting sensor occur aging, damage, warning message and Coal Mine Safety Monitoring System cannot be sent also in the situation continuing to use.
(2) detection feedback circuit of the present invention is used for the temperature of Real-Time Monitoring firedamp sensor, temperature pick up and ore deposit shake sensor, and FEEDBACK CONTROL is carried out to firedamp sensor, temperature pick up and the ore deposit shake operating voltage of sensor or electric current, thus stablize operating voltage or the electric current of firedamp sensor, temperature pick up and ore deposit shake sensor, ensure normal working voltage or the electric current of sensor, prevent the operating ambient temperature of sensor from raising excessive, avoid the damage of sensor, extend the application life of sensor.
(3) the present invention can to the operating environment monitoring in real time in 24 hours to colliery, once scent a hidden danger, timely notice is just in workman and the long distance control system of operation, and the workman being convenient to operation withdraws scene in time and security department takes rescue measure, the loss of disaster is dropped to minimum.
Accompanying drawing explanation
fig. 1 is schematic diagram of the present invention.
fig. 2 is of the present inventiondetect the schematic diagram of feedback circuit.
Detailed description of the invention
Below the invention is described in further details.
A kind of Coal Mine Safety Monitoring System as shown in Figure 1, comprise firedamp sensor, temperature pick up, ore deposit shake sensor, signal processing circuit, warning circuit, short range terminal and remote terminal, wherein firedamp sensor, temperature pick up, ore deposit shake sensor are connected with signal processing circuit respectively, signal processing circuit is connected with warning circuit, and warning circuit is connected with short range terminal and remote terminal respectively;
Also comprise first, second and third and detect feedback circuit, described first detects the temperature of feedback circuit for Real-Time Monitoring firedamp sensor, and carries out FEEDBACK CONTROL to firedamp sensor operating voltage or electric current, and first detects feedback circuit is connected with firedamp sensor; Described second detects the temperature of feedback circuit for Real-Time Monitoring temperature pick up, and carries out FEEDBACK CONTROL to temperature pick up operating voltage or electric current, and second detects feedback circuit is connected with temperature pick up; Described 3rd detects feedback circuit is used for the temperature that Real-Time Monitoring ore deposit shakes sensor, and carries out FEEDBACK CONTROL to ore deposit shake working sensor voltage or electric current, and the 3rd detection feedback circuit shakes sensor with ore deposit and is connected;
Described first, second and third detects feedback circuit as shown in Figure 2, include FET, thermistor, resistance and control circuit, the control pole of FET is connected with resistance, thermistor respectively, the grounded drain of FET, the source electrode connection control circuit of FET, the control pole of FET is connected with the common port of thermistor with resistance, the other end ground connection of thermistor, another termination power of resistance.
As a preferred technical solution of the present invention: described warning circuit is voice alarm circuit.
As a preferred technical solution of the present invention: described voice alarm circuit adopts WT588D speech chip.
As a preferred technical solution of the present invention: described warning circuit is sound light alarming circuit.
As a preferred technical solution of the present invention: described remote terminal comprises mobile phone, PDA and computer.
The present invention can to the operating environment monitoring in real time in 24 hours in colliery, once scent a hidden danger, timely notice is just in workman and the long distance control system of operation, and the workman being convenient to operation withdraws scene in time and security department takes rescue measure, the loss of disaster is dropped to minimum.
The present invention adopts firedamp sensor to detect the gas density of operating environment in colliery.
Methane transducer also plays an important role in safety of coal mines detects.Methane transducer in safety of coal mines detection system for colliery roadway, the places such as getting working face, goaf, return aircourse, dynamo-electric chamber monitor methane concentration continuously, when methane content exceeding preset limit, automatically can send sound, light is reported to the police, coal mine underground operators can be supplied, CH_4 detection personnel, down-hole administrative staff etc. carry with use, also can fix for above-mentioned place.
The principle of methane transducer generally adopts carrier catalyst element to be detecting element.Produce a small-signal proportional with the content of methane, after multistage amplifier circuit amplifies, produce an output signal, send into A/D conversion input port in single chip microcomputer, this analog signals is converted to data signal.Then single-chip microcomputer processes this signal, and realizes display, the functions such as warning.
Detection feedback circuit is added in Coal Mine Safety Monitoring System of the present invention, for the real-time monitoring to signals collecting sensor, avoid occurring signals collecting sensor occur aging, damage, warning message and domestic safety prevention system cannot be sent also in the situation continuing to use.
Detection feedback circuit of the present invention is used for the temperature of Real-Time Monitoring firedamp sensor, temperature pick up and ore deposit shake sensor, and FEEDBACK CONTROL is carried out to firedamp sensor, temperature pick up and the ore deposit shake operating voltage of sensor or electric current, thus stablize operating voltage or the electric current of firedamp sensor, temperature pick up and ore deposit shake sensor, ensure normal working voltage or the electric current of sensor, prevent the operating ambient temperature of sensor from raising excessive, avoid the damage of sensor, extend the application life of sensor.
Embodiment one:
3rd detects feedback circuit is used for the temperature that Real-Time Monitoring ore deposit shakes sensor, and carries out FEEDBACK CONTROL to ore deposit shake working sensor voltage or electric current, and the 3rd detects feedback circuit is connected with temperature pick up.3rd detects feedback circuit comprises FET Q3, thermistor RT3, resistance R3 and control circuit, the control pole of FET Q3 is connected with resistance R3 and thermistor RT3 respectively, the grounded drain of FET Q3, the source electrode connection control circuit of FET Q3, the control pole of FET Q3 is connected with the common port of thermistor RT3 with resistance R3, the other end ground connection of thermistor RT3, another termination power V3 of resistance R3.Namely be thermistor RT3 is arranged on detected ore deposit shake sensor proximity detected temperatures, the output signal of telecommunication of FET Q3 is controlled by the change of thermistor RT3 resistance, and controlled operating voltage or the electric current of ore deposit shake sensor by control circuit, thus avoid the situation that shake sensor degradation in ore deposit occurs.When the temperature change of detected ore deposit shake sensor, the resistance of thermistor RT3 starts change, and the voltage at thermistor RT3 two ends changes, and then has influence on the voltage between FET Q3 drain electrode and source electrode.Other control circuits be connected with FET Q3 just can according to the operating voltage or the electric current that drain and between source electrode, the change of voltage regulates institute's detected temperatures sensor.
Detected electric current is by the source electrode of FET Q3 and drain electrode, and electric current is larger, source electrode and the potential difference between draining larger, to feed back to the potential difference of other control circuits larger.The temperature that thermistor RT3 detects is higher, the potential difference controlled between pole and source electrode is less, and the resistance of thermistor RT3 is less, and the conduction of FET Q3 is reduced, potential difference between FET Q3 source electrode and drain electrode is raised, and the potential difference feeding back to other control circuits raises.Operating voltage or the electric current of ore deposit shake sensor is regulated eventually through other control circuits.Work under ensureing ore deposit shake sensor normal temperature environment.
Above embodiments of the present invention are explained in detail, but the present invention is not limited to above-mentioned embodiment, in the ken that those of ordinary skill in the art possess, can also makes a variety of changes under the prerequisite not departing from present inventive concept.
Claims (5)
1. a Coal Mine Safety Monitoring System, comprise firedamp sensor, temperature pick up, ore deposit shake sensor, signal processing circuit, warning circuit, short range terminal and remote terminal, wherein firedamp sensor, temperature pick up, ore deposit shake sensor are connected with signal processing circuit respectively, signal processing circuit is connected with warning circuit, and warning circuit is connected with short range terminal and remote terminal respectively;
It is characterized in that, also comprise first, second and third and detect feedback circuit, described first detects the temperature of feedback circuit for Real-Time Monitoring firedamp sensor, and carries out FEEDBACK CONTROL to firedamp sensor operating voltage or electric current; Described second detects the temperature of feedback circuit for Real-Time Monitoring temperature pick up, and carries out FEEDBACK CONTROL to temperature pick up operating voltage or electric current; Described 3rd detects feedback circuit is used for the temperature that Real-Time Monitoring ore deposit shakes sensor, and carries out FEEDBACK CONTROL to ore deposit shake working sensor voltage or electric current;
Described first, second and third detects feedback circuit and includes FET, thermistor, resistance and control circuit, the control pole of FET is connected with resistance, thermistor respectively, the grounded drain of FET, the source electrode connection control circuit of FET, the control pole of FET is connected with the common port of thermistor with resistance, the other end ground connection of thermistor, another termination power of resistance.
2. a kind of Coal Mine Safety Monitoring System according to claim 1, is characterized in that, described warning circuit is voice alarm circuit.
3. a kind of Coal Mine Safety Monitoring System according to claim 2, is characterized in that, described voice alarm circuit adopts WT588D speech chip.
4. a kind of Coal Mine Safety Monitoring System according to claim 1, is characterized in that, described warning circuit is sound light alarming circuit.
5. a kind of Coal Mine Safety Monitoring System according to claim 1, is characterized in that, described remote terminal comprises mobile phone, PDA and computer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510721205.3A CN105370319A (en) | 2015-10-30 | 2015-10-30 | Coal mine safety monitoring system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510721205.3A CN105370319A (en) | 2015-10-30 | 2015-10-30 | Coal mine safety monitoring system |
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| CN105370319A true CN105370319A (en) | 2016-03-02 |
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| CN201510721205.3A Pending CN105370319A (en) | 2015-10-30 | 2015-10-30 | Coal mine safety monitoring system |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105822583A (en) * | 2016-04-29 | 2016-08-03 | 成都瑞阳机械有限公司 | High-recognition safe type centrifugal fan intelligent control system |
| CN106066193A (en) * | 2016-05-25 | 2016-11-02 | 辽宁工程技术大学 | A kind of subsurface environment monitor control system |
| CN109578045A (en) * | 2018-12-03 | 2019-04-05 | 中国矿业大学 | The Fan Regulation method, apparatus and electronic equipment of face gas density are adopted in regulation |
| CN109667621A (en) * | 2018-11-09 | 2019-04-23 | 内蒙古福城矿业有限公司 | A kind of Coal Mine Safety Monitoring System |
| CN111636923A (en) * | 2019-12-04 | 2020-09-08 | 辽宁工程技术大学 | Coal mine underground water prevention and control early warning system |
| CN113110222A (en) * | 2021-05-06 | 2021-07-13 | 山东蓝光软件有限公司 | Mine holographic safety intelligent air door control system and method |
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| CN102226878A (en) * | 2011-04-15 | 2011-10-26 | 仝兴孚 | Detection feedback circuit |
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2015
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| DE3205066A1 (en) * | 1982-02-12 | 1983-08-25 | Bergwerksverband Gmbh, 4300 Essen | Temperature transducer |
| CN201193538Y (en) * | 2008-05-16 | 2009-02-11 | 张正龙 | Self-powered air door alarm |
| CN201821317U (en) * | 2010-10-27 | 2011-05-04 | 湖南科技大学 | Frequency-conversion driven and controlled protection detecting and feedback circuit of mine hoist |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105822583A (en) * | 2016-04-29 | 2016-08-03 | 成都瑞阳机械有限公司 | High-recognition safe type centrifugal fan intelligent control system |
| CN106066193A (en) * | 2016-05-25 | 2016-11-02 | 辽宁工程技术大学 | A kind of subsurface environment monitor control system |
| CN106066193B (en) * | 2016-05-25 | 2019-02-26 | 辽宁工程技术大学 | A kind of subsurface environment monitor control system |
| CN109667621A (en) * | 2018-11-09 | 2019-04-23 | 内蒙古福城矿业有限公司 | A kind of Coal Mine Safety Monitoring System |
| CN109578045A (en) * | 2018-12-03 | 2019-04-05 | 中国矿业大学 | The Fan Regulation method, apparatus and electronic equipment of face gas density are adopted in regulation |
| CN111636923A (en) * | 2019-12-04 | 2020-09-08 | 辽宁工程技术大学 | Coal mine underground water prevention and control early warning system |
| CN111636923B (en) * | 2019-12-04 | 2022-05-17 | 辽宁工程技术大学 | Coal mine underground water prevention and control early warning system |
| CN113110222A (en) * | 2021-05-06 | 2021-07-13 | 山东蓝光软件有限公司 | Mine holographic safety intelligent air door control system and method |
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Application publication date: 20160302 |