CN101865904A - Gas optical network sensor device - Google Patents
Gas optical network sensor device Download PDFInfo
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- CN101865904A CN101865904A CN201010133510A CN201010133510A CN101865904A CN 101865904 A CN101865904 A CN 101865904A CN 201010133510 A CN201010133510 A CN 201010133510A CN 201010133510 A CN201010133510 A CN 201010133510A CN 101865904 A CN101865904 A CN 101865904A
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Abstract
The invention discloses a gas optical network sensor device, which is characterized in that: an interference image sensor of a gas sensor is connected with an image sensor terminal consisting of an ARM and an explosion-proof industrial laptop; an electronic subdivision gas density quantitative measurement sensor is connected with a No.2 working face gas measurement and control terminal consisting of an ARM and an explosion-proof industrial laptop; an interference gas sensor is wirelessly connected with the working face gas measurement and control terminal; the image sensor terminal, the No.2 working face gas measurement and control terminal and the interference gas sensor are connected to a network switch of a coal mine computer through network switches; and the coal mine computer realizes information connection of a coal mine gas monitoring optical Ethernet and a remote coal mine safety monitoring network through a router. In the gas optical network sensor device, standard network transmission software and image processing software can be utilized, so the software development cost is reduced; the volume of the gas sensor is reduced, so the gas sensor can be applied to narrow spaces; and the detection sensitivity can be greatly improved by the electronic subdivision technology.
Description
Technical field
What the present invention relates to is a kind of automation equipment, the industrial gasses detecting sensor device in specifically a kind of detecting instrument field.
Background technology
China's gas in mine sensor almost all adopts the catalytic combustion method gas sensor in single generation, shortcoming such as this sensor exists weak point in serviceable life, poor work stability, correction is frequent and sensing range is narrow, and occur gas detection person sometimes and leak hilllock or untrue, the untimely phenomenon of report data, seriously restricting the effective grasp of colliery gas density.Domestic many mines have been set up distributed gas monitoring system, the firedamp sensor of down-hole with concentration data by the information network real-time Transmission to monitoring the chamber, keep supplying the real-time on-site supervision of grade department.At present, gas monitoring system does not have unified industry standard, can not seek unity of standard the same with industrial bus.The gas monitoring system of different manufacturers different model, interface is inconsistent, and data layout is incompatible, has brought countless troubles for set up coal-mine gas monitoring system comprising interconnected.To the coal mine gas from explosion causal investigation, gas explosion is because gas pours out suddenly under many circumstances according to China's coal-mine Safe Production Supervision department.At present, no matter be firedamp sensor or gas monitoring system, the gas density that is provided all is a current data, can not predict the gas density in future, causes when gas density transfinites, and has little time to take the effective precautionary measures.
Summary of the invention
The object of the invention is to provide widens the methane sensing work space, makes gas density information can carry out a kind of gas optical network sensor device of telecommunication network transmission by multimedia messages.
The object of the present invention is achieved like this:
The interference image sensor of firedamp sensor of the present invention is connected with the imageing sensor terminal of ARM and explosion-proof industrial notebook computer formation, electronic fine-grained No. two face gas detection and control terminals that carry out gas density quantitative measurment sensor connection ARM and explosion-proof industrial notebook computer formation, interference gas sensor is by wireless connections face gas detection and control terminal, imageing sensor terminal then, No. two face gas detection and control terminals and interference gas sensor are connected to the network switch of colliery computing machine by the network switch, and last colliery computing machine realizes that by router the information of coal-mine gas monitoring fiber optic Ethernet and long-range coal mine safety monitoring network is connected.
Advantage of the present invention is to have widened the methane sensing work space, makes gas density information carry out the telecommunication network transmission by multimedia messages, for example can use various imageing sensors (camera, digital camera, Digital Video).Can utilize standard network transmitting software and image processing software, reduce software development cost; Reducing the firedamp sensor volume can use in small space; And can greatly improve detection sensitivity by electronic fine-grained technology.Lower current electronics firedamp sensor and measure sensitivity deficiency and investigative range minor issue.Solve current distribution laser gas sensing system complex structure, the high problem of price, and it is poor to overcome current firedamp sensor travelling performance, and networked transmission performance is not enough and the power supply difficulty, the not enough problem of anti-various interference performances.For standard mine safety network gas boring and surveying termination function provides modular construction.Make gas boring and surveying terminal access industrial internet network easily, structure lays the first stone to coal mine safety monitoring mechanism desktop system for building coal-mine gas information.
Description of drawings
Fig. 1 is a gas optical network sensor.
Fig. 2 is the gas optical network sensor working routine.
Fig. 3 is the structured flowchart of gas optical network sensor.
Fig. 4 is the coal-mine gas monitoring system comprising structured flowchart that adopts gas optical network sensor.
Embodiment
The objective of the invention is to realize, consider that based on various technical matterss system should comprise following main modular by following operational module:
1. the entity of image-recognition interference gas sensor provides optical interferometry gas function.
2. the fiber optic network detection and control terminal entity of image-recognition interference gas sensor provides gas surveying signal Processing interface and embeds the sensing network communication entity, possesses the communication interface that is connected with network.
3. the software of image-recognition interference gas optical network sensor provides and measures and identification software; The network interface communication software merges and goes into the optical fiber Ethernet, connects internet network by router.As gas high Precision Detection sensor, adopt electronic fine-grained function to realize the high sensitivity detection function, and the remote probe function that adopts the XP of Microsoft operating system, perhaps and networked software such as virtual instrument realize that firedamp remote surveys common.
4. the image information interface of image-recognition interference gas optical network sensor provides the hardware and the software interface that carry out remote measurement by CCD fast
Essence of the present invention is by image recognition of gas interference detection and computer network remote technology, the simulation and the digital information transfer mode that replace current firedamp sensor, in investigative range, measuring distance, anti-electromagnetic interference capability, long-range transmission capacity, modularizations such as information processing and transmission, standardization aspect improve the function of gas and methane detection system various aspects.
Technical characterictic of the present invention is:
Image-recognition interference gas sensor embeds communication network by image technique and carries out remote sensing; The gas boring and surveying of spatial image interference mode replaces fixing electronic sensor.Obtain gas time and space change information by information processing.It specifically is characterised in that:
1. the image transmission interface of unified networking is adopted in gas density and the transmission of geographic distribution information;
The space of 2. adopting fiber optic network IP address location can the space exploration interference image to embody gas distributed and variation with the time;
3. adopt standard and the general modular software of fiber optic network replaces independently developed gas boring and surveying and communication software, can utilize various communication networks to carry out information transmission.
Gas optical network sensor and gas optical network sensor working routine such as Fig. 1 and as shown in Figure 2.
The basic function that realizes is as follows:
1. carry out the ccd signal collection for firedamp sensor interference image signal, the digital sensor signal carries out direct access communications network (Ethernet, the Internet, cdma network, 3G net) by the infrared network interface.Can incoming image information carry out long-range transmission by the broadband.
2. realize that fiber optic network is delivered to monitoring center to gas boring and surveying information and carries out electronic fine-grainedly, and further handle for example higher-dimension filtering, neuron wavelet analysis etc. by image processing software and MATLAB and further analyze gas space and temporal information.
3. realize the distributed intelligence of the gas time and space through LAN (Local Area Network) by network software, Metropolitan Area Network (MAN), and under router is supported, realize information remote transmission and Processing tasks, realize multidimensional gas information distribution figure at the gas monitor center.
4. the gas identification mission can be utilized third-party networking to survey with signal processing software and realize remote identification and metering.Software is worked out by MATLAB .NET software, VC++.
The concrete course of work of the present invention is: the gas interference signal is discerned and is entered by image sensing information network such as fiber optic network and is delivered to gas monitor central monitoring mechanism by the field staff, through software processes, show multidimensional gas information distribution figure.And, obtain in gas or the gas for example detailed information of methane of various compositions by electronic fine-grained and Flame Image Process.Send to gas control center and further take the dangerous control function of gas, for example accelerate to ventilate and close workplace power supply etc.
The structured flowchart of gas optical network sensor is seen shown in Figure 3.
Router realizes that the information of coal-mine gas monitoring fiber optic Ethernet and long-range coal mine safety monitoring network is connected; The colliery computing machine carries out the Ethernet Hosts function of coal-mine gas sensing network; The network switch is realized the expansion linkage function of the gas detection and control terminal in network and each place.The firedamp sensor network terminal is made of ARM and explosion-proof industrial notebook computer, realizes the interference image transfer function of firedamp sensor, by electronic fine-grained gas density quantitative measurment function, firedamp sensor infrared and radio transfer function and the Ethernet information transfer capability of carrying out.
Carry out gas and methane monitoring occasion at needs, if be equipped with the safety monitoring Ethernet, can directly insert the remote control function that is equipped with corresponding monitoring of software LabVIEW+WindowsXP to firedamp sensor by the Ethernet detection and control terminal gets final product, if be not equipped with the safety monitoring Ethernet, can make up gas Fibre Optical Sensor network to firedamp sensor by fiber optic Ethernet, detection and control terminal, the straight remote control function of monitoring of software LabVIEW+WindowsXP accordingly.2. the light firedamp sensor carries out the continuous monitoring by the distribution situation of place and time of fire damp concentration by light graphics mode or bluetooth approach and fiber optic network detection and control terminal.3. gas inspection center carries out remote monitoring by the Internet for the mine gas situation.4. in a single day gas exceeding limit occurs, the fiber optic network detection and control terminal sends alerting signal and starts quick exhaust system.Gas inspection center monitors gas exceeding limit by the Internet, takes immediate steps to tackle (for example stop work, speedily carry out rescue work).
Example: the coal-mine gas monitoring system comprising that adopts gas optical network sensor.
(1) general introduction
Its function of system is to make up the coal-mine gas optical-fiber network to survey and monitoring system, can survey fire damp with place and time situation of change.The gas boring and surveying system utilizes the image ruling device of gas optical interference image-position sensor and Optical Network Terminal to combine to finish detecting function.Information transmission mode has three kinds, image transmission, data transmission, infrared transmission.Employing is based on the measurement and control bus system of single-mode fiber network.Because having strong 20 kms of signal transmission bandwidth ability, optical fiber can non-relayly communicate by letter.
(2) structural group becomes:
System is embedded into firedamp sensor in the fiber-optic monitoring bus of coal-mine gas monitoring system comprising by its function; System works is in the fiber optic network token formula working method that can expand.Each gas boring and surveying sensor can effectively expand as the node that has the IP address.By the IP address can coordinate detection gas distribution situation, and owing to adopt fiber optic network formula distributed bus to be based on the single-mode fiber network one that has the suspension independent current source is that the thunder and lightning electromagnetic interference (EMI) can overcome substantially fully, strengthens the reliability of gas boring and surveying information greatly.The coal-mine gas monitoring system comprising structured flowchart of employing gas optical network sensor as shown in Figure 4.
Claims (1)
1. gas optical network sensor device, it is characterized in that: the interference image sensor of firedamp sensor connects the imageing sensor terminal that is made of ARM and explosion-proof industrial notebook computer, electronic fine-grained No. two face gas detection and control terminals that carry out gas density quantitative measurment sensor connection ARM and explosion-proof industrial notebook computer formation, interference gas sensor is by wireless connections face gas detection and control terminal, the imageing sensor terminal, No. two face gas gas detection and control terminals and interference gas sensor are connected to the network switch of colliery computing machine by the network switch, and the colliery computing machine realizes that by router the information of coal-mine gas monitoring fiber optic Ethernet and long-range coal mine safety monitoring network is connected.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201010133510A CN101865904A (en) | 2010-03-29 | 2010-03-29 | Gas optical network sensor device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201010133510A CN101865904A (en) | 2010-03-29 | 2010-03-29 | Gas optical network sensor device |
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| CN101865904A true CN101865904A (en) | 2010-10-20 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107071345A (en) * | 2017-02-16 | 2017-08-18 | 中国石油化工股份有限公司 | Flameproof and intrinsically safe mixed type anti-explosion surveillance terminal |
| CN111650104A (en) * | 2020-06-23 | 2020-09-11 | 宝武装备智能科技有限公司 | Multichannel token type blowby analysis system and method for coke oven regenerator |
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| CN2831287Y (en) * | 2005-06-06 | 2006-10-25 | 杭州九易电子有限公司 | Detection and communication system for coal mine gas |
| CN201162545Y (en) * | 2008-01-16 | 2008-12-10 | 刘西怀 | Mine safety monitoring system |
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| CN2831287Y (en) * | 2005-06-06 | 2006-10-25 | 杭州九易电子有限公司 | Detection and communication system for coal mine gas |
| CN201162545Y (en) * | 2008-01-16 | 2008-12-10 | 刘西怀 | Mine safety monitoring system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107071345A (en) * | 2017-02-16 | 2017-08-18 | 中国石油化工股份有限公司 | Flameproof and intrinsically safe mixed type anti-explosion surveillance terminal |
| CN111650104A (en) * | 2020-06-23 | 2020-09-11 | 宝武装备智能科技有限公司 | Multichannel token type blowby analysis system and method for coke oven regenerator |
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Application publication date: 20101020 |