CN104482413A - Mining gas pipeline explosion signal monitoring device - Google Patents
Mining gas pipeline explosion signal monitoring device Download PDFInfo
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- CN104482413A CN104482413A CN201410799314.2A CN201410799314A CN104482413A CN 104482413 A CN104482413 A CN 104482413A CN 201410799314 A CN201410799314 A CN 201410799314A CN 104482413 A CN104482413 A CN 104482413A
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- gas
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- signal monitoring
- explosion
- monitoring unit
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- 238000004880 explosion Methods 0.000 title claims abstract description 31
- 238000005065 mining Methods 0.000 title abstract description 4
- 238000012806 monitoring device Methods 0.000 title abstract 3
- 238000012545 processing Methods 0.000 claims abstract description 34
- 230000002265 prevention Effects 0.000 claims abstract description 14
- 238000000034 method Methods 0.000 claims description 23
- 238000012544 monitoring process Methods 0.000 claims description 19
- 230000003321 amplification Effects 0.000 claims description 6
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 6
- 238000013481 data capture Methods 0.000 claims description 3
- 230000003993 interaction Effects 0.000 claims description 3
- 239000003245 coal Substances 0.000 abstract description 10
- 238000005496 tempering Methods 0.000 abstract description 7
- 230000006866 deterioration Effects 0.000 abstract description 5
- 230000001629 suppression Effects 0.000 abstract 3
- 208000025274 Lightning injury Diseases 0.000 abstract 1
- 238000002485 combustion reaction Methods 0.000 abstract 1
- 238000000605 extraction Methods 0.000 description 6
- APTZNLHMIGJTEW-UHFFFAOYSA-N pyraflufen-ethyl Chemical compound C1=C(Cl)C(OCC(=O)OCC)=CC(C=2C(=C(OC(F)F)N(C)N=2)Cl)=C1F APTZNLHMIGJTEW-UHFFFAOYSA-N 0.000 description 6
- 238000004458 analytical method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000153 supplemental effect Effects 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003063 flame retardant Substances 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 230000000246 remedial effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- Arrangements For Transmission Of Measured Signals (AREA)
Abstract
The invention discloses a mining gas pipeline explosion signal monitoring device which comprises a pressure sensor, a flame sensor, a processing unit and an explosion suppression or explosion prevention device, wherein the pressure sensor is used for detecting whether flame exists in a gas pipeline; the mining gas pipeline explosion signal monitoring device provided by the invention can effectively monitor a gas pipeline extracted from a coal seam in real time, can timely find explosion or combustion caused by tempering or lightning stroke at a gas pipeline utilization end, and sends out a corresponding signal to enable other devices to timely send out explosion suppression or explosion suppression actions, so that further deterioration of accidents is prevented; the explosion signal controller can not only timely and effectively acquire the parameter data of the monitored pipeline, but also receive signals transmitted by the remote controller, adjust and calibrate the operation parameters of the instrument and store the adjustment and calibration parameters.
Description
Technical field
The present invention relates to coal mine gas drainage or utilize field, particularly relating to a kind of gas in mine pipe signal supervisory device.
Background technique
In coal mining operation, need to carry out extraction to the gas in coal seam, gas in extraction coal seam not only can effectively reduce or prevent the generation of colliery major gas accident, more can turn waste into wealth to the gas in coal seam, effectively utilizes this clean energy resource of gas.
Often utilize gas tube to carry out when carrying out extraction to the gas in coal seam, when the extraction of coal-bed gas, the concentration of gas is often about 30%, but many lower, within the scope of explosion ratio 5%-16% being even in gas.After the gas output of extraction, if causing gas explosion or burning because there is the extraneous factor such as tempering or thunderbolt at utilization end, will serious security incident be caused, but also not have a kind of method and apparatus effectively can monitor the problems referred to above at present.
Therefore, need to propose one to gas in mine pipe explosion signal monitoring unit, can carry out effectively monitoring in real time to the gas tube of drainage from coal seam, the blast or burning of holding because tempering or thunderbolt cause can be utilized by Timeliness coverage at gas tube, and send corresponding signal for other device and send datonation-inhibition or explosion arrestment action in time, the further deterioration of Accident prevention, and reliable and stable, easy to use.
Summary of the invention
In view of this, the object of this invention is to provide a kind of gas in mine pipe explosion signal monitoring unit, the blast or burning of holding because tempering or thunderbolt cause can be utilized by Timeliness coverage at gas tube, and send corresponding signal for other device and send datonation-inhibition or explosion arrestment action in time, the further deterioration of Accident prevention, and it is reliable and stable, easy to use.
A kind of gas in mine pipe explosion signal monitoring unit provided by the invention, comprise the pressure transducer for detecting the pressure in gas tube, for detect in gas tube whether have flame to exist flame sensor, for receiving the processing unit of pressure signal and flare up fire and exporting control command the datonation-inhibition or device of blast prevention of action for receiving processing unit.
Further, described pressure transducer is two and is all connected with processing unit.
Further, described flame sensor is two and is all connected with processing unit, and described flame sensor is photosensitive type fire sensor.
Further, described processing unit comprises the preposing signal process circuit that input end is connected with pressure transducer and flame sensor output terminal and the central processing circuit be connected with described preposing signal process circuit, and described central processing circuit is connected with datonation-inhibition or device of blast prevention.
Further, described system also comprises debugging unit, and described debugging unit comprises the infrared receiving circuit and IR remote controller that are connected with described central processing circuit.
Further, described system also comprises Surveillance center, and described Surveillance center to be connected with central processing circuit by wired and/or wireless mode and to carry out data interaction.
Further, described system also comprises indicating member, and described indicating member comprises display screen and alarm, and described display screen and alarm are all connected with described central processing circuit.
Further, described system also comprises temperature transducer, and described temperature transducer is connected with described preposing signal process circuit input end.
Further, described preposing signal process circuit comprises the amplification circuit, eliminator and the data capture Acquisition Circuit that connect successively, the input end of described amplification circuit is as the input end of preposing signal process circuit, and the output terminal of data acquisition circuit is as the output terminal of preposing signal process circuit.
Beneficial effect of the present invention: gas in mine pipe explosion signal monitoring unit provided by the invention, can carry out effectively monitoring in real time to the gas tube of drainage from coal seam, the blast or burning of holding because tempering or thunderbolt cause can be utilized by Timeliness coverage at gas tube, and send corresponding signal for other device and send datonation-inhibition or explosion arrestment action in time, the further deterioration of Accident prevention; Time break controller can not only know the supplemental characteristic of monitored pipeline timely and effectively, can also receive the signal that remote controller transmits, and carries out adjustment to instrument Operational Limits, preserves adjustment parameter; And it is reliable and stable, easy to use.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the invention will be further described:
Fig. 1 is theory diagram of the present invention.
Embodiment
Fig. 1 is theory diagram of the present invention, as shown in the figure, a kind of gas in mine pipe explosion signal monitoring unit provided by the invention, comprise the pressure transducer for detecting the pressure in gas tube, for detecting in gas tube the flame sensor whether having flame to exist, for receiving the processing unit of pressure signal and flare up fire and exporting control command and the datonation-inhibition or device of blast prevention of action for receiving processing unit, the present invention can carry out effectively monitoring in real time to the gas tube of drainage from coal seam, the blast or burning of holding because tempering or thunderbolt cause can be utilized by Timeliness coverage at gas tube, and send corresponding signal for other device and send datonation-inhibition or explosion arrestment action in time, the further deterioration of Accident prevention, time break controller can not only know the supplemental characteristic of monitored pipeline timely and effectively, can also receive the signal that remote controller transmits, and carries out adjustment to instrument Operational Limits, preserves adjustment parameter, and reliable and stable, easy to use, wherein, datonation-inhibition or device of blast prevention is prior art, and datonation-inhibition or device of blast prevention, pressure transducer and flame sensor are intrinsically safe equipment.
In the present embodiment, described pressure transducer is two and is all connected with processing unit, adopt two pressure transducers, monitoring can be made more accurate, such as, whether reacted by force value has blast to occur, or when two sensors export high level or big current simultaneously, indicate that abnormal conditions occur (to comprise blast, or the flow velocity of mash gas extraction increases), when two sensors while when output low level or small area analysis, represent that gas tube is in normal state, certainly, also foregoing can be carried out contrary setting, the situation in gas tube can be characterized equally.
In the present embodiment, described flame sensor is two and is all connected with processing unit, described flame sensor is photosensitive type fire sensor, the ultraviolet sent when photosensitive type fire sensor is by detecting gas explosion has judged whether that blast occurs, adopt two flame sensors, can make detect and control more accurate, and, what is more important can be beneficial to and test the present invention, this is owing to being set to after in gas tube when pressure transducer, can system normally be worked and can not be measured by force value, flame sensor can only be stimulated to carry out detection system by external light source can normally work, external light source generally adopts the light source sent during the combustible substance burnings such as candle, when pressure transducer and flame sensor export by signal, then can judge have blast to occur in gas tube, processing unit exports control command makes flame-retardant valve close, thus prevention accident occurs further in time.
In the present embodiment, described processing unit comprises the preposing signal process circuit that input end is connected with pressure transducer and flame sensor output terminal and the central processing circuit be connected with described preposing signal process circuit, described central processing circuit is connected with datonation-inhibition or device of blast prevention, described central processing circuit adopts existing single-chip microcomputer, such as ARM single-chip microcomputer, ATMEL single-chip microcomputer etc., preposing signal process circuit is that testing signal carries out pretreatment.
In the present embodiment, described system also comprises debugging unit, described debugging unit comprises the infrared receiving circuit and IR remote controller that are connected with described central processing circuit, by the effect of IR remote controller and infrared receiving circuit, can to native system carry out field adjustable go forward side by side line parameter arrange, and without the need to debugging again by other equipment or after native system is dismantled, easy to operate.
In the present embodiment, described system also comprises Surveillance center, described Surveillance center to be connected with central processing circuit by wired and/or wireless mode and to carry out data interaction, Surveillance center can obtain the parameter in gas tube in time, and after blast occurs, correct effective remedial measure can be made according to parameter to accident.
In the present embodiment, described system also comprises indicating member, described indicating member comprises display screen and alarm, described display screen and alarm are all connected with described central processing circuit, wherein, whether display screen is used for showing native system in debugging or parameter setting procedure normal, alarm is used for sending alarm signal immediately after blast occurs, the blast caused due to thunderbolt or tempering is often held in utilization, namely knocking fuel is developed to input end by gas tube output terminal, therefore, alarm can arrange multiple, to notify that underground operators makes Emergency Preparedness rapidly.
In the present embodiment, described system also comprises temperature transducer, described temperature transducer is connected with described preposing signal process circuit input end, wherein, temperature transducer is for detecting the temperature regime in gas tube, for the reliable and stable work of native system provides support, that is: if pressure transducer or flame sensor occur that event is normal, the temperature value exported by temperature transducer is sharply raised judgement and blasts, certainly, pressure transducer and flame sensor all normally work, by representing that the signal that blast occurs exports, the temperature value that temperature transducer exports also is naturally can sharply raise, as pressure transducer or flame sensor are all normal, so the state of temperature transducer to gas tube is monitored in real time, provides foundation for Surveillance center makes accurate discriminatory analysis.
In the present embodiment, described preposing signal process circuit comprises the amplification circuit, eliminator and the data capture Acquisition Circuit that connect successively, the input end of described amplification circuit is as the input end of preposing signal process circuit, the output terminal of data acquisition circuit is as the output terminal of preposing signal process circuit, wherein data acquisition circuit is used for analogue signal to be converted to digital signal, is convenient to central processing circuit process.
What finally illustrate is, above embodiment is only in order to illustrate technological scheme of the present invention and unrestricted, although with reference to preferred embodiment to invention has been detailed description, those of ordinary skill in the art is to be understood that, can modify to technological scheme of the present invention or equivalent replacement, and not departing from aim and the scope of technical solution of the present invention, it all should be encompassed in the middle of right of the present invention.
Claims (9)
1. a gas in mine pipe explosion signal monitoring unit, is characterized in that: comprise the pressure transducer for detecting the pressure in gas tube, for detect in gas tube whether have flame to exist flame sensor, for receiving the processing unit of pressure signal and flare up fire and exporting control command the datonation-inhibition or device of blast prevention of action for receiving processing unit.
2. gas in mine pipe explosion signal monitoring unit according to claim 1, is characterized in that: described pressure transducer is two and is all connected with processing unit.
3. gas in mine pipe explosion signal monitoring unit according to claim 1, it is characterized in that: described flame sensor is two and is all connected with processing unit, described flame sensor is photosensitive type fire sensor.
4. gas in mine pipe explosion signal monitoring unit according to Claims 2 or 3, it is characterized in that: described processing unit comprises the preposing signal process circuit that input end is connected with pressure transducer and flame sensor output terminal and the central processing circuit be connected with described preposing signal process circuit, and described central processing circuit is connected with datonation-inhibition or device of blast prevention.
5. gas in mine pipe explosion signal monitoring unit according to claim 4, it is characterized in that: described system also comprises debugging unit, described debugging unit comprises the infrared receiving circuit and IR remote controller that are connected with described central processing circuit.
6. gas in mine pipe explosion signal monitoring unit according to claim 5, is characterized in that: described system also comprises Surveillance center, and described Surveillance center to be connected with central processing circuit by wired and/or wireless mode and to carry out data interaction.
7. gas in mine pipe explosion signal monitoring unit according to claim 6, it is characterized in that: described system also comprises indicating member, described indicating member comprises display screen and alarm, and described display screen and alarm are all connected with described central processing circuit.
8. gas in mine pipe explosion signal monitoring unit according to claim 7, it is characterized in that: described system also comprises temperature transducer, described temperature transducer is connected with described preposing signal process circuit input end.
9. gas in mine pipe explosion signal monitoring unit according to claim 8, it is characterized in that: described preposing signal process circuit comprises the amplification circuit, eliminator and the data capture Acquisition Circuit that connect successively, the input end of described amplification circuit is as the input end of preposing signal process circuit, and the output terminal of data acquisition circuit is as the output terminal of preposing signal process circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410799314.2A CN104482413A (en) | 2014-12-19 | 2014-12-19 | Mining gas pipeline explosion signal monitoring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410799314.2A CN104482413A (en) | 2014-12-19 | 2014-12-19 | Mining gas pipeline explosion signal monitoring device |
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| Publication Number | Publication Date |
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| CN104482413A true CN104482413A (en) | 2015-04-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410799314.2A Pending CN104482413A (en) | 2014-12-19 | 2014-12-19 | Mining gas pipeline explosion signal monitoring device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108489615A (en) * | 2018-04-09 | 2018-09-04 | 无锡市永安电子科技有限公司 | A kind of composite pipe spark detector and its detection method |
| CN108758338A (en) * | 2018-06-01 | 2018-11-06 | 湖南力宇新能源科技有限公司 | gas supply system |
| CN114632278A (en) * | 2022-03-07 | 2022-06-17 | 广东省安全生产技术中心有限公司 | Executive ignition system for active explosion suppression |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4173140A (en) * | 1978-02-03 | 1979-11-06 | The United States Of America As Represented By The Secretary Of The Interior | Trigger device for explosion barrier |
| US4378334A (en) * | 1980-07-11 | 1983-03-29 | Griffith Laboratories U.S.A., Inc. | Apparatus for disposal of spent sterilant or biocidal gases |
| CN103628921A (en) * | 2013-12-12 | 2014-03-12 | 中煤科工集团重庆研究院有限公司 | Low-concentration gas conveying safety monitoring system |
| CN104110582A (en) * | 2013-09-29 | 2014-10-22 | 淄博安益矿用设备有限公司 | Safe delivery system for coal bed gas |
| CN203940240U (en) * | 2014-06-04 | 2014-11-12 | 天地（常州）自动化股份有限公司 | The quick device of blast prevention of a kind of mine gas pipeline |
| CN204534135U (en) * | 2014-12-19 | 2015-08-05 | 中煤科工集团重庆研究院有限公司 | Mining gas pipeline explosion signal monitoring device |
-
2014
- 2014-12-19 CN CN201410799314.2A patent/CN104482413A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4173140A (en) * | 1978-02-03 | 1979-11-06 | The United States Of America As Represented By The Secretary Of The Interior | Trigger device for explosion barrier |
| US4378334A (en) * | 1980-07-11 | 1983-03-29 | Griffith Laboratories U.S.A., Inc. | Apparatus for disposal of spent sterilant or biocidal gases |
| CN104110582A (en) * | 2013-09-29 | 2014-10-22 | 淄博安益矿用设备有限公司 | Safe delivery system for coal bed gas |
| CN103628921A (en) * | 2013-12-12 | 2014-03-12 | 中煤科工集团重庆研究院有限公司 | Low-concentration gas conveying safety monitoring system |
| CN203940240U (en) * | 2014-06-04 | 2014-11-12 | 天地（常州）自动化股份有限公司 | The quick device of blast prevention of a kind of mine gas pipeline |
| CN204534135U (en) * | 2014-12-19 | 2015-08-05 | 中煤科工集团重庆研究院有限公司 | Mining gas pipeline explosion signal monitoring device |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108489615A (en) * | 2018-04-09 | 2018-09-04 | 无锡市永安电子科技有限公司 | A kind of composite pipe spark detector and its detection method |
| CN108758338A (en) * | 2018-06-01 | 2018-11-06 | 湖南力宇新能源科技有限公司 | gas supply system |
| CN114632278A (en) * | 2022-03-07 | 2022-06-17 | 广东省安全生产技术中心有限公司 | Executive ignition system for active explosion suppression |
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Application publication date: 20150401 |