CN105317462A - Coal mine safety monitoring system having write protection function - Google Patents
Coal mine safety monitoring system having write protection function Download PDFInfo
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- CN105317462A CN105317462A CN201510773801.6A CN201510773801A CN105317462A CN 105317462 A CN105317462 A CN 105317462A CN 201510773801 A CN201510773801 A CN 201510773801A CN 105317462 A CN105317462 A CN 105317462A
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- coal mine
- monitoring system
- safety monitoring
- mine safety
- circuit
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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
The invention discloses a coal mine safety monitoring system having a write protection function 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 short-range terminal, a write protection module and a remote terminal, wherein the write protection module comprises a voltage division circuit composed of a capacitor and resistors, the voltage division circuit is connected with an integrated reset chip, the output end of the integrated reset chip is connected with two phase inverters mainly composed of transistors sequentially, and the output ends of the phase inverters are connected with the short-range terminal. The coal mine safety monitoring system monitors the working environment of a coal mine round the clock. Once a hidden danger is found, workers who are performing operation and a remote monitoring system are timely informed to facilitate timely evacuation of the workers performing operation from a site and taking of rescue measures of the security department, so that the disaster loss is minimized.
Description
Technical field
The present invention relates to a kind of Coal Mine Safety Monitoring System with writing protection function, 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.
Existing Coal Mine Safety Monitoring System mainly designs each has something to recommend him in monitoring and warning function and constantly brings forth new ideas, but protects ineffective to the data message that Coal Mine Safety Monitoring System stores, and therefore safeguards that the amount of getting up to work is huge.
Summary of the invention
In order to solve the problem; the present invention proposes a kind of Coal Mine Safety Monitoring System with writing protection function; 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 with writing protection function, 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 write-protect module; write-protect module is connected with short range terminal; described write-protect module comprises the bleeder circuit be made up of electric capacity, resistance; bleeder circuit is connected with integrated reset chip; the output of integrated reset chip connects two phase inverters formed primarily of triode successively, and the output of phase inverter is connected with short range terminal.
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.
As a preferred technical solution of the present invention: the model of described integrated reset chip is IMP811.
A kind of Coal Mine Safety Monitoring System with writing protection function of the present invention, adopts above technical scheme compared with prior art, has following technique effect:
(1) the present invention adds write-protect module in traditional Coal Mine Safety Monitoring System; for solving in the long-time use procedure of Coal Mine Safety Monitoring System; the technical barrier that system firmware program is lost or damaged; substantially prolongs the application life of system, reduce the probability of malfunction of Coal Mine Safety Monitoring System.
(2) write-protect module of the present invention can not cause loss or the damage of storage file, fundamentally eliminates the problem that Coal Mine Safety Monitoring System firmware program is lost or damaged, and the negative effect that problem is brought thus drops into also just all disappearances with extra.
(3) write-protect modular circuit reasonable in design in the present invention, little by external environment variable effect, switches fast and stable, have the advantages such as high reliability, high integration, intellectuality, low cost.
(4) 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 the schematic diagram of write-protect module of the present invention.
Detailed description of the invention
Below the invention is described in further details.
A kind of Coal Mine Safety Monitoring System with writing protection function 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 write-protect module; write-protect module is connected with short range terminal; described write-protect module as shown in Figure 2; comprise the bleeder circuit be made up of electric capacity, resistance; bleeder circuit is connected with integrated reset chip; the output of integrated reset chip connects two phase inverters formed primarily of triode successively, and the output of phase inverter is connected with short range terminal.
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.
As a preferred technical solution of the present invention: the model of described integrated reset chip is IMP811.
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.
The present invention adds write-protect module in traditional Coal Mine Safety Monitoring System; for solving in the long-time use procedure of Coal Mine Safety Monitoring System; the technical barrier that system firmware program is lost or damaged; substantially prolongs the application life of system, reduce the probability of malfunction of Coal Mine Safety Monitoring System.
Write-protect module of the present invention can not cause loss or the damage of storage file, fundamentally eliminates the problem that Coal Mine Safety Monitoring System firmware program is lost or damaged, and the negative effect that problem is brought thus drops into also just all disappearances with extra.
In the present invention, write-protect modular circuit reasonable in design, little by external environment variable effect, switches fast and stable, have the advantages such as high reliability, high integration, intellectuality, low cost.
Embodiment one:
The bleeder circuit that write-protect module comprises electric capacity C1, resistance R1, R2 and R3 are formed; integrated reset chip IMP811; the first phase inverter formed primarily of triode Q1 and the second phase inverter be made up of triode Q2; triode Q1, Q2 model is 8050; bleeder circuit is connected with integrated reset chip IMP811; the output of integrated reset chip IMP811 connects the first phase inverter and the second phase inverter successively, and the output of the second phase inverter is connected with short range terminal.Such write-protect circuit would not cause loss or the damage of storage file, thus the problem fundamentally eliminated Coal Mine Safety Monitoring System firmware program loss or damage, the negative effect that problem is brought thus drops into also with regard to all disappearances with extra.
The Write-protection method of the short range terminal storage chip in the present invention, is specially:
1) first set the resistance of voltage divider circuit Resistance R1, R2 and R3, determine the virtual voltage of integrated reset chip IMP811;
2) when input voltage is higher than operating voltage, the virtual voltage of integrated reset chip IMP811 is higher than normal voltage, the output of integrated reset chip IMP811 exports high level, and successively through the first phase inverter and the second phase inverter, strengthen the driving force of high level, make it transfer to storage chip from the output of the second phase inverter, storage chip is in write-protect disarmed state, and memory is is normally read and write;
3) when input voltage is lower than operating voltage; the virtual voltage of integrated reset chip IMP811 is lower than normal voltage; the output output low level of integrated reset chip IMP811; and successively through the first phase inverter and the second phase inverter; strengthen low level driving force; make it transfer to storage chip from the output of the second phase inverter, storage chip is in write-protect state, and memory read/write is invalid.
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 (6)
1. one kind has the Coal Mine Safety Monitoring System of writing protection function, 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 write-protect module; write-protect module is connected with short range terminal; described write-protect module comprises the bleeder circuit be made up of electric capacity, resistance; bleeder circuit is connected with integrated reset chip; the output of integrated reset chip connects two phase inverters formed primarily of triode successively, and the output of phase inverter is connected with short range terminal.
2. a kind of Coal Mine Safety Monitoring System with writing protection function according to claim 1, is characterized in that, described warning circuit is voice alarm circuit.
3. a kind of Coal Mine Safety Monitoring System with writing protection function 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 with writing protection function 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 with writing protection function according to claim 1, it is characterized in that, described remote terminal comprises mobile phone, PDA and computer.
6. a kind of Coal Mine Safety Monitoring System with writing protection function according to claim 1, is characterized in that, the model of described integrated reset chip is IMP811.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510773801.6A CN105317462A (en) | 2015-11-13 | 2015-11-13 | Coal mine safety monitoring system having write protection function |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510773801.6A CN105317462A (en) | 2015-11-13 | 2015-11-13 | Coal mine safety monitoring system having write protection function |
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| CN105317462A true CN105317462A (en) | 2016-02-10 |
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| CN201510773801.6A Pending CN105317462A (en) | 2015-11-13 | 2015-11-13 | Coal mine safety monitoring system having write protection function |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018156001A1 (en) * | 2017-02-22 | 2018-08-30 | Sitten Ayala Jesus Roberto | Method for measuring and mapping the concentration of gases harmful to health in confined spaces |
| CN116047982A (en) * | 2023-03-06 | 2023-05-02 | 武汉锐科光纤激光技术股份有限公司 | Control system of time-sharing optical shutter |
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| US4318303A (en) * | 1978-04-26 | 1982-03-09 | Coal Industry (Patents) Limited | Fluid flow monitors |
| CN201116979Y (en) * | 2007-12-27 | 2008-09-17 | 哈尔滨威波瑞科技有限公司 | Wireless transmission coal mine safety monitoring control device |
| CN201876974U (en) * | 2010-11-30 | 2011-06-22 | 重庆梅安森科技股份有限公司 | Multi-functional mine-used intrinsic safety type alarm |
| CN104332174A (en) * | 2014-11-27 | 2015-02-04 | 天津天地伟业数码科技有限公司 | Memory chip writing protective circuit and memory chip writing protective method applied to security product |
| CN104819011A (en) * | 2015-04-24 | 2015-08-05 | 辽宁工程技术大学 | Safety monitoring system for coal mines |
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2015
- 2015-11-13 CN CN201510773801.6A patent/CN105317462A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4318303A (en) * | 1978-04-26 | 1982-03-09 | Coal Industry (Patents) Limited | Fluid flow monitors |
| CN201116979Y (en) * | 2007-12-27 | 2008-09-17 | 哈尔滨威波瑞科技有限公司 | Wireless transmission coal mine safety monitoring control device |
| CN201876974U (en) * | 2010-11-30 | 2011-06-22 | 重庆梅安森科技股份有限公司 | Multi-functional mine-used intrinsic safety type alarm |
| CN104332174A (en) * | 2014-11-27 | 2015-02-04 | 天津天地伟业数码科技有限公司 | Memory chip writing protective circuit and memory chip writing protective method applied to security product |
| CN104819011A (en) * | 2015-04-24 | 2015-08-05 | 辽宁工程技术大学 | Safety monitoring system for coal mines |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018156001A1 (en) * | 2017-02-22 | 2018-08-30 | Sitten Ayala Jesus Roberto | Method for measuring and mapping the concentration of gases harmful to health in confined spaces |
| CN116047982A (en) * | 2023-03-06 | 2023-05-02 | 武汉锐科光纤激光技术股份有限公司 | Control system of time-sharing optical shutter |
| CN116047982B (en) * | 2023-03-06 | 2023-07-04 | 武汉锐科光纤激光技术股份有限公司 | Control system of time-sharing optical shutter |
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Application publication date: 20160210 |