CN103863784A - Image collection system for monitoring underground belt connector failure - Google Patents
Image collection system for monitoring underground belt connector failure Download PDFInfo
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- CN103863784A CN103863784A CN201410114870.1A CN201410114870A CN103863784A CN 103863784 A CN103863784 A CN 103863784A CN 201410114870 A CN201410114870 A CN 201410114870A CN 103863784 A CN103863784 A CN 103863784A
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Abstract
The invention discloses an image collection system for monitoring an underground belt connector failure. The image collection system is characterized by comprising an aboveground monitoring host (upper computer), an image transmission portion and an image collection portion. The image transmission portion comprises a first optical transmitter and receiver located at the underground image collection position, a second optical transmitter and receiver located at the position of an underground looped network access point, an Ethernet photoelectric converter, an underground looped network exchanger and an aboveground looped network exchanger. The image collection portion comprises a control substation (lower computer), an inductance approach switch, a speed sensor, a digital camera, an audible and visual alarm apparatus and an illuminating lamp. According to the image collection system for monitoring the underground belt connector failure, a metal belt connector is detected through the inductance approach switch, the digital camera is triggered to capture images at the belt connector conveying position, the collected images are transmitted to the aboveground monitoring host, efficient collection and contrastive analysis of the belt connector images are achieved, the hidden dangers that belt connectors are torn and disengaged are eliminated in advance, and belt running safety is improved.
Description
Technical field
The present invention relates to a kind of system for belt connector fault under monitor well, especially a kind of image capturing system for belt connector fault under monitor well.
Background technology
Underground transportation belt is being born the transportation burden in colliery conventionally, and belt fracture can cause very large economic loss, seriously can cause great safety misadventure, and belt fracture or fault mostly occurs at belt connector place.At present, domestic colliery is on the method for inspection for metal skin belt lacing fault, and the overwhelming majority still adopts the methods of eye-observation, and the method work capacity greatly, easily causes undetected, and observing effect is not good.
Except the method for above-mentioned eye-observation, also have and use belt connector monitoring and forewarn system (equipment) belt connector to be carried out to the mode of Real-Time Monitoring.Which institute employing system (equipment) mainly contains following two kinds: one is steel-core rubber belt joint breaking on-line monitoring instrument, it is pre-buried rubber magnetic patch before and after heat vulcanizate belt lacing, in the time that adhesive tape moves, the rubber magnetic patch process Hall element that tape splice place is pre-buried, sensor can produce impulse singla, micro controller system gathers this signal and carries out analytical calculation, realizes Real-Time Monitoring and the early warning of joint; Another kind is strong conveyer band horizontal fracture prediction device, this device adopts x-ray source to be irradiated on x-ray dash receiver through strong conveyer band, obtain the steel core map image of strong conveyer band heat cure joint, by analyzing steel core graphicinformation, realize monitoring and the early warning of joint.
Above-mentioned steel-core rubber belt joint breaking on-line monitoring instrument is to the pre-buried rubber magnetic patch of existing conveyor belt, to process trouble, and to a certain extent conveyor belt is had to interior among a small circle damage, easily shortens the length of service of adhesive tape.
Above-mentioned strong conveyer band horizontal fracture prediction device adopts x-ray technology, and field man can be subject to X-radiation, and long-term work, under radiation environment, can cause certain harm to field man healthy.
Summary of the invention
Task of the present invention is to provide a kind of image capturing system for belt connector fault under monitor well.This system detects the belt connector of metal by inductance approach switch, triggered digital pick up camera is captured the image at traveling belt connector place, and the image transmitting gathering is arrived to aboveground monitoring host computer, in order to realize highly effective gathering and the comparative analysis of belt connector image, contribute to get rid of ahead of time the hidden danger such as belt connector is torn, dropout, strengthen the safety of belt operation.
Its technical solution is:
For an image capturing system for belt connector fault under monitor well, comprising:
Be positioned at aboveground monitoring host computer (upper computer), for processing in real time the belt connector image that scene, down-hole gathers, standard picture in belt connector image and the belt connector data bank gathering by handle analyzes, judge whether current belt connector exists hidden danger, the belt connector information that has hidden danger is carried out to record, and make early warning;
Image transmitting portion, comprises and is positioned at the first optical transmitter and receiver of borehole image collection place, the second optical transmitter and receiver that is positioned at looped network access point place, down-hole, ethernet photoelectric commutator, down-hole ring exchanger and aboveground ring exchanger; The first optical transmitter and receiver connects the second optical transmitter and receiver by optical signal circuit, the second optical transmitter and receiver connects ethernet photoelectric commutator by picture signal circuit, and by control signal circuit connecting downhole ring exchanger, ethernet photoelectric commutator is by optical signal circuit connecting downhole ring exchanger, down-hole ring exchanger is by ring exchanger on the looped network connecting well of down-hole, and aboveground ring exchanger is connected monitoring host computer by picture signal circuit with control signal circuit;
Image acquisition portion, comprises and controls substation (lower computer), inductance approach switch, speed sensor, digital camera, combined aural and visual alarm and illuminating lamp; Inductance approach switch and travelling belt are in contactless state, inductance approach switch is connected and is controlled substation by impulse singla circuit, speed sensor is by frequency signal line connection control substation, control substation and connect digital camera by camera control signal line, connect combined aural and visual alarm by annunciator control signal circuit, connect the first optical transmitter and receiver by optical transmitter and receiver control signal circuit, digital camera connects the first optical transmitter and receiver by picture signal circuit.
Above-mentioned control substation is provided with lower computer display module, in the time controlling substation and receive the impulse singla that belt connector sensor transmits, lower computer display module comprises belt connector numbering and current belt running velocity for showing in real time relevant information, this relevant information.
Above-mentioned inductance approach switch comprises at least two sensors, all the sensors is arranged on one section of belt front upper between two bend pulleys by fixing rack for sensor, and and belt between leave gap, all the sensors equilibrium in belt width direction is arranged.
Select to coat near the position, front side of some belt connectors the yellow fluorescence paint band that is parallel to belt connector at the reverse side of above-mentioned belt, band is rectangle, and its width is 3～8 centimetres; Above-mentioned band, as the mark of the inferior belt connector that ranks the first, is controlled substation and is masked as benchmark with this, detects successively the belt connector of arrival according to inductance approach switch, calculates the serial number of current belt connector.
Above-mentioned image acquisition portion, in belt operational process, in the time that inductance approach switch detects that the belt connector of metal arrives, capture the image at belt connector place with the speed of 12～15 frame/seconds by controlling substation control figure pick up camera, speed sensor detects belt running velocity in real time, and combined aural and visual alarm can carry out sound and light alarm in the time detecting belt connector hidden danger.
Above-mentioned image transmitting portion, the first optical transmitter and receiver is modulated into final stage optical signal the final stage picture signal and the final stage control signal that receive, and transfer in the second optical transmitter and receiver, the final stage optical signal receiving is demodulated to secondary image signal and secondary control signal by the second optical transmitter and receiver, secondary image signal is after the conversion of ethernet photoelectric commutator, access again in the exchange of down-hole, secondary control signal is directly linked in the exchange of down-hole, then be transferred in aboveground ring exchanger by down-hole ring exchanger separately, between aboveground ring exchanger and monitoring host computer, transmit again.
The present invention can have following useful technique effect:
1. can realize in the situation that not destroying travelling belt, the belt connector of metal be detected successively, exactly;
2. can realize the automatical and efficient collection to belt connector image, photograph under the prerequisite of belt connector image in assurance, reduce to greatest extent the data flow load of down-hole looped network;
3. adopt Fibre Optical Communication Technology, can guarantee the reliability of picture signal and control signal transmission;
4. can realize Real-Time Monitoring and the early warning of belt connector, be enough to guarantee the safe operation of travelling belt.
Accompanying drawing explanation
Below in conjunction with accompanying drawing and the specific embodiment, the present invention is further described:
Fig. 1 is the structural principle schematic block diagram of one embodiment of the present invention.
Fig. 2 is local structure schematic block diagram of the present invention, mainly shows image acquisition portion.
Fig. 3 is local structure schematic block diagram of the present invention, mainly shows belt connector sensor and relevant portion.
The specific embodiment
In conjunction with Fig. 1 to Fig. 3, a kind of image capturing system for belt connector fault under monitor well, comprises monitoring host computer 1, image transmitting portion and image acquisition portion.
Above-mentioned monitoring host computer (lower computer), for processing in real time the belt connector image that scene, down-hole gathers, standard picture in belt connector image and the belt connector data bank gathering by handle compares and analyzes, judge whether current belt connector exists hidden danger, the belt connector information that has hidden danger is carried out to record, and make early warning.
Above-mentioned image transmitting portion, comprises and is positioned at the first optical transmitter and receiver 2 of borehole image collection place, the second optical transmitter and receiver 3 that is positioned at looped network access point place, down-hole, ethernet photoelectric commutator 4, down-hole ring exchanger 5 and aboveground ring exchanger 6.The first optical transmitter and receiver connects the second optical transmitter and receiver by optical signal circuit (as single mode single fiber), the second optical transmitter and receiver connects ethernet photoelectric commutator by picture signal circuit (as mining flame-retardant netting twine), and by control signal circuit (if RS-485 order wire is mining flame-retardant communication cable) connecting downhole ring exchanger, ethernet photoelectric commutator is by optical signal circuit (as single-mode dual-core optical fiber) connecting downhole ring exchanger, and down-hole ring exchanger is by ring exchanger on the looped network connecting well of down-hole.Aboveground ring exchanger connects monitoring host computer by picture signal circuit and control signal circuit (as RS-485 order wire).
Above-mentioned image acquisition portion, comprises and controls substation (lower computer) 7, inductance approach switch 8, speed sensor 9, digital camera 10, combined aural and visual alarm 11 and illuminating lamp 12.Inductance approach switch and travelling belt are in contactless state, inductance approach switch is connected and is controlled substation by impulse singla circuit, speed sensor is by frequency signal line connection control substation, control substation and connect digital camera by camera control signal line, connect combined aural and visual alarm by annunciator control signal circuit, connect the first optical transmitter and receiver by optical transmitter and receiver control signal circuit (as RS-485 order wire), digital camera connects the first optical transmitter and receiver by picture signal circuit (as mining flame-retardant netting twine).
Above-mentioned control substation is provided with lower computer display module, in the time controlling substation and receive the impulse singla that inductance approach switch 8 transmits, lower computer display module is used for showing relevant information, and this relevant information comprises belt connector numbering and current belt running velocity etc.
Above-mentioned inductance approach switch comprises at least two sensors, all the sensors is arranged on one section of belt 14 front upper between two bend pulleys 13 by fixing rack for sensor 15, and and belt between leave gap, all the sensors equilibrium in belt width direction is arranged.
Above-mentioned image acquisition portion, in belt operational process, in the time that inductance approach switch detects that the belt connector of metal arrives, capture the image at belt connector place with the speed of 12～15 frame/seconds by controlling substation control figure pick up camera, speed sensor detects belt running velocity in real time, and combined aural and visual alarm can carry out sound and light alarm in the time detecting belt connector hidden danger.
Above-mentioned image transmitting portion, the first optical transmitter and receiver is modulated into final stage optical signal the final stage picture signal and the final stage control signal that receive, and transfer in the second optical transmitter and receiver, the final stage optical signal receiving is demodulated to secondary picture signal and secondary control signal by the second optical transmitter and receiver, secondary picture signal is after the conversion of ethernet photoelectric commutator, access again in the exchange of down-hole, secondary control signal is directly linked in the exchange of down-hole, then be transferred in aboveground ring exchanger by down-hole ring exchanger separately, between aboveground ring exchanger and monitoring host computer, transmit again.
Above-mentioned monitoring host computer, completes the control of image capturing system by set up applications.This software can comprise the function of exposure time, aperture, gain and acquisition mode that digital camera is set, includes simultaneously and show belt connector image, arranges that Image Saving path, image are regularly deleted and the function such as record trouble information.Monitoring host computer software can control well under the startup/close of belt connector image capturing system, after system is opened, the parameter such as exposure time, gain of digital camera can be set, make the image effect the best gathering, the acquisition mode of digital camera can be set simultaneously as required: triggering collection, individual collection, continuous acquisition.Wherein continuous acquisition is that digital camera gathers belt image always; Triggering collection is in the time that inductance approach switch detects that metal skin belt lacing arrives, and digital camera is captured the image at belt connector place.System default triggering collection mode, under this mode, system is only in the time that inductance approach switch detects that belt connector arrives, the just image at triggered digital camera acquisition belt connector place, compare continuity way, which only gathers the image at belt connector place, and amount of image information is little, the data volume that has reduced transmission collection image, has reduced the load of down-hole looped network.Software binding has the data bank of belt connector image, the belt connector image collecting is after image conversion, enhancing, recovery and feature extraction etc. are processed, compare and analyze with the belt connector image (standard picture) in data bank, judge belt connector and whether have hidden danger.If judge belt connector hidden danger, monitoring host computer produces the abnormal information of reporting to the police and recording belt connector, thereby reaches the effect of real-time monitoring and early warning.
Above-mentioned inductance approach switch is the noncontacting proximity sensor with stainless steel casing, can sense metal close, has advantages of that antijamming capability is strong.In this example, three inductance approach switches are parallel to belt connector, be arranged on side by side belt tremble between two less bend pulleys according to a determining deviation.Inductance approach switch can sense that the belt connector of metal does not rub with strap surface again.Each inductance approach switch detects when the belt connector of metal arrives, can produce a digital pulse signal and pass to control substation.After monitoring host computer control system is opened, in the time controlling substation and receive the impulse singla that more than two inductance approach switches sends simultaneously, be judged as belt connector and arrive, to increase the joint accuracy judging that arrives.In the time that belt connector arrives, digital camera is triggered, and captures rapidly the belt connector image of travelling belt reverse side.
Select any one front side near belt connector at travelling belt reverse side, coat the yellow fluorescence paint band 17 that is parallel to belt connector 16, band is rectangle, and it is wide approximately 5 centimetres.Above-mentioned band, as the mark of time (as No. one) belt connector that ranks the first, is controlled substation and is indicated as benchmark using this, detects successively the belt connector of arrival according to inductance approach switch, calculates the serial number of current belt connector.The speed sensor being arranged in belt lane can detect belt running velocity in real time, speed sensor rolls and contacts with belt, produce frequency signal and pass to control substation, control substation and calculate real-time belt running velocity, the speed correcting process for monitoring host computer to belt connector image.In the time that monitoring host computer detects belt connector and tears hidden danger, this information is returned to control substation by monitoring host computer, control to divide and stand in when sending sound and light alarm, lower computer display module shows the abnormal information such as belt connector numbering and current belt speed, real-time reminding down-hole field man.
The present invention, inductance approach switch and travelling belt be in contactless state, and the arrival of metal skin belt lacing can accurately be detected, and in the time the belt connector of metal being detected, inductance approach switch produces impulse singla and passes to control substation.In the time controlling substation and receive the impulse singla that inductance approach switch transmits, the display module of controlling substation shows the information such as belt connector numbering and current belt running velocity, and control figure pick up camera is captured the image at belt connector place simultaneously.Speed sensor Real-Time Monitoring belt running velocity, for the analysis to gathered image.By Fibre Optical Communication Technology, the belt connector image uploading that digital camera is captured is to monitoring host computer, realizes the aboveground mutual biography with down-hole of control signal simultaneously.The startup of monitoring host computer control whole system/close, and the belt connector image receiving is shown and record, realize monitoring in real time.Monitoring host computer real-time analysis belt connector image, in the time detecting belt connector hidden danger, monitoring host computer produces early warning, controls substation simultaneously and produces sound and light alarm.
The relevant technologies content of not addressing in aforesaid way is taked or is used for reference prior art and can realize.
It should be noted that, under the instruction of this specification sheets, those skilled in the art can also make such or such easy variation pattern, such as equivalent way, or obvious mode of texturing.Above-mentioned variation pattern all should be within protection domain of the present invention.
Claims (6)
1. for an image capturing system for belt connector fault under monitor well, it is characterized in that comprising:
Be positioned at aboveground monitoring host computer, for processing in real time the belt connector image that scene, down-hole gathers, standard picture in belt connector image and the belt connector data bank gathering by handle analyzes, judge whether current belt connector exists hidden danger, the belt connector information that has hidden danger is carried out to record, and make early warning;
Image transmitting portion, comprises and is positioned at the first optical transmitter and receiver of borehole image collection place, the second optical transmitter and receiver that is positioned at looped network access point place, down-hole, ethernet photoelectric commutator, down-hole ring exchanger and aboveground ring exchanger; The first optical transmitter and receiver connects the second optical transmitter and receiver by optical signal circuit, the second optical transmitter and receiver connects ethernet photoelectric commutator by picture signal circuit, and by control signal circuit connecting downhole ring exchanger, ethernet photoelectric commutator is by optical signal circuit connecting downhole ring exchanger, down-hole ring exchanger is by ring exchanger on the looped network connecting well of down-hole, and aboveground ring exchanger is connected monitoring host computer by picture signal circuit with control signal circuit;
Image acquisition portion, comprises and controls substation, inductance approach switch, speed sensor, digital camera, combined aural and visual alarm and illuminating lamp; Inductance approach switch and travelling belt are in contactless state, inductance approach switch is connected and is controlled substation by impulse singla circuit, speed sensor is by frequency signal line connection control substation, control substation and connect digital camera by camera control signal line, connect combined aural and visual alarm by annunciator control signal circuit, connect the first optical transmitter and receiver by optical transmitter and receiver control signal circuit, digital camera connects the first optical transmitter and receiver by picture signal circuit.
2. a kind of image capturing system for belt connector fault under monitor well according to claim 1, it is characterized in that: above-mentioned control substation is provided with lower computer display module, in the time controlling substation and receive the impulse singla that inductance approach switch transmits, lower computer display module comprises belt connector numbering and current belt running velocity for showing in real time relevant information, this relevant information.
3. a kind of image capturing system for belt connector fault under monitor well according to claim 1, it is characterized in that: above-mentioned inductance approach switch comprises at least two sensors, all the sensors is arranged on one section of belt front upper between two bend pulleys by fixing rack for sensor, and and belt between leave gap, all the sensors equilibrium in belt width direction is arranged.
4. a kind of image capturing system for belt connector fault under monitor well according to claim 3, it is characterized in that: select to coat near the position, front side of some belt connectors the yellow fluorescence paint band that is parallel to belt connector at the reverse side of above-mentioned belt, band is rectangle, and its width is 3～8 centimetres; Above-mentioned band, as the mark of the inferior belt connector that ranks the first, is controlled substation and is masked as benchmark with this, detects successively the belt connector of arrival according to inductance approach switch, calculates the serial number of current belt connector.
5. a kind of image capturing system for belt connector fault under monitor well according to claim 1, it is characterized in that: above-mentioned image acquisition portion, in belt operational process, in the time that inductance approach switch detects that the belt connector of metal arrives, capture the image at belt connector place with the speed of 12～15 frame/seconds by controlling substation control figure pick up camera, speed sensor detects belt running velocity in real time, and combined aural and visual alarm can carry out sound and light alarm in the time detecting belt connector hidden danger.
6. a kind of image capturing system for belt connector fault under monitor well according to claim 1, it is characterized in that: above-mentioned image transmitting portion, the first optical transmitter and receiver is modulated into final stage optical signal the final stage picture signal and the final stage control signal that receive, and transfer in the second optical transmitter and receiver, the final stage optical signal receiving is demodulated to secondary image signal and secondary control signal by the second optical transmitter and receiver, secondary image signal is after the conversion of ethernet photoelectric commutator, access again in the exchange of down-hole, secondary control signal is directly linked in the exchange of down-hole, then be transferred in aboveground ring exchanger by down-hole ring exchanger separately, between aboveground ring exchanger and monitoring host computer, transmit again.
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Cited By (5)
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| CN107301691A (en) * | 2017-08-07 | 2017-10-27 | 益阳益润电子有限公司 | Nail volume mechanomotive force system wear anticipation maintenance system |
| CN109302588A (en) * | 2018-11-09 | 2019-02-01 | 中国矿业大学 | A kind of mine sealing-tape machine video centralized control system based on configuration software |
| CN111999299A (en) * | 2020-08-24 | 2020-11-27 | 精英数智科技股份有限公司 | Belt detection method, belt detection device and belt detection system |
| CN112945855A (en) * | 2021-02-04 | 2021-06-11 | 中冶东方工程技术有限公司 | Online intelligent inspection system and inspection method for material conveying belt |
| CN113607741A (en) * | 2021-07-30 | 2021-11-05 | 煤炭科学研究总院 | Belt joint defect detection method and device and electronic equipment |
Families Citing this family (1)
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| CN105699391A (en) * | 2016-03-24 | 2016-06-22 | 安徽工程大学 | Detecting device for belt surface of conveyer belt and detection method thereof |
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| CN103863784B (en) | 2015-11-18 |
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