CN103863784B - A kind of image capturing system for belt connector fault under monitor well - Google Patents
A kind of image capturing system for belt connector fault under monitor well Download PDFInfo
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- CN103863784B CN103863784B CN201410114870.1A CN201410114870A CN103863784B CN 103863784 B CN103863784 B CN 103863784B CN 201410114870 A CN201410114870 A CN 201410114870A CN 103863784 B CN103863784 B CN 103863784B
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Abstract
The invention discloses a kind of image capturing system for belt connector fault under monitor well, feature comprises being positioned at aboveground monitoring host computer (upper computer), image transmitting portion and image acquisition part; Image transmitting portion comprises the first optical transmitter and receiver being positioned at borehole image collection place, the second optical transmitter and receiver being positioned at looped network access point place, down-hole, ethernet photoelectric commutator, down-hole ring exchanger and aboveground ring exchanger; Image acquisition part comprises control substation (lower computer), inductance approach switch, speed sensor, digital camera, combined aural and visual alarm and illuminating lamp.The present invention detects the belt connector of metal by inductance approach switch, the image at triggered digital video capture traveling belt connector place, and the image transmitting gathered to aboveground monitoring host computer, in order to realize highly effective gathering and the comparative analysis of belt connector image, contribute to getting rid of the hidden danger such as belt connector is torn, dropout ahead of time, strengthen the safety that belt runs.
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 carries the transportation burden in colliery usually, 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 belt joint fault, and most method still adopting eye-observation, the method work capacity greatly, easily causes undetected, and observing effect is not good.
Except the method for above-mentioned eye-observation, also there is the mode using belt connector monitoring index system system (equipment) belt connector to be carried out to Real-Time Monitoring.System which adopts (equipment) mainly contains following two kinds: one is steel-core rubber belt joint breaking on-line computing model, it is pre-buried rubber magnetic patch before and after heat vulcanizate belt lacing, when adhesive tape runs, the pre-buried rubber magnetic patch in tape splice place is through Hall element, 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, obtaining the steel core map image of strong conveyer band heat cure joint, by analyzing steel core graphicinformation, realizing monitoring and the early warning of joint.
Above-mentioned steel-core rubber belt joint breaking on-line computing model is will to the pre-buried rubber magnetic patch of existing conveyor belt, process trouble, and to a certain extent conveyor belt is had to the damage among a small circle, 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-ray radiation, and long-term work, under radiation environment, can cause certain harm to the healthy of field man.
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, the image at triggered digital video capture traveling belt connector place, and the image transmitting gathered to aboveground monitoring host computer, in order to realize highly effective gathering and the comparative analysis of belt connector image, contribute to getting rid of the hidden danger such as belt connector is torn, dropout ahead of time, strengthen the safety that belt runs.
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 the belt connector image that underground site gathers in real time, by the standard picture in the belt connector image gathered and belt connector data bank is analyzed, judge whether current belt joint exists hidden danger, record is carried out to the belt connector information that there is hidden danger, and makes early warning;
Image transmitting portion, comprises the first optical transmitter and receiver being positioned at borehole image collection place, the second optical transmitter and receiver being positioned at looped network access point place, down-hole, ethernet photoelectric commutator, down-hole ring exchanger and aboveground ring exchanger; First optical transmitter and receiver is by optical signal connection second optical transmitter and receiver, second optical transmitter and receiver connects ethernet photoelectric commutator by picture signal circuit, and by control signal lines 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 lines;
Image acquisition part, 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 by impulse singla circuit connection control substation, speed sensor is by frequency signal line connection control substation, control substation by camera control signal connection digital camera, combined aural and visual alarm is connected by annunciator control signal lines, connect the first optical transmitter and receiver by optical transmitter and receiver control signal lines, digital camera connects the first optical transmitter and receiver by picture signal circuit.
Above-mentioned control substation is provided with lower computer display module, when controlling substation and receiving the impulse singla that belt connector sensor transmits, lower computer display module is used for showing relevant information in real time, and this relevant information comprises belt connector numbering and current belt running velocity.
Above-mentioned inductance approach switch comprises at least two sensors, all the sensors is arranged on the one section of belt front upper be between two bend pulleys by fixing rack for sensor, and and leave gap between belt, all the sensors is balanced arrangement on belt width direction.
Select to coat near the position, front side of some belt connectors the yellow fluorescence paint band being 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 secondary belt connector that ranks the first, controls substation and is masked as benchmark with this, detect the belt connector of arrival successively, calculate the serial number of current belt joint according to inductance approach switch.
Above-mentioned image acquisition part, in belt operational process, when inductance approach switch detects that the belt connector of metal arrives, by controlling substation control figure pick up camera with the image at the speed of 12 ~ 15 frames/second candid photograph belt connector place, speed sensor detects belt running velocity in real time, and combined aural and visual alarm can carry out sound and light alarm when detecting belt connector hidden danger.
Above-mentioned image transmitting portion, first optical transmitter and receiver is modulated into final stage optical signal the final stage picture signal received and final stage control signal, and transfer in the second optical transmitter and receiver, the final stage optical signal demodulation received is become 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 in the exchange of down-hole again, secondary control signal is directly linked in the exchange of down-hole, then be transferred in aboveground ring exchanger each via down-hole ring exchanger, transmit between aboveground ring exchanger and monitoring host computer again.
The present invention can have following Advantageous Effects:
1. can be implemented in when not destroying travelling belt, the belt connector of metal detected successively, exactly;
2. can realize the automatical and efficient collection to belt connector image, under guarantee photographs the prerequisite of belt connector image, decrease the data stream load of down-hole looped network to greatest extent;
3. adopt Fibre Optical Communication Technology, the reliability of picture signal and control signal transmission can be ensured;
4. can realize Real-Time Monitoring and the early warning of belt connector, be enough to the safe operation ensureing travelling belt.
Accompanying drawing explanation
Below in conjunction with accompanying drawing and detailed description of the invention, 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, basically illustrates image acquisition part.
Fig. 3 is local structure schematic block diagram of the present invention, basically illustrates belt connector sensor and relevant portion.
Detailed description of the invention
Composition graphs 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 part.
Above-mentioned monitoring host computer (upper computer), for processing the belt connector image that underground site gathers in real time, by the standard picture in the belt connector image gathered and belt connector data bank is compared and analysis, judge whether current belt joint exists hidden danger, record is carried out to the belt connector information that there is hidden danger, and makes early warning.
Above-mentioned image transmitting portion, comprises the first optical transmitter and receiver 2 being positioned at borehole image collection place, the second optical transmitter and receiver 3 being positioned at looped network access point place, down-hole, ethernet photoelectric commutator 4, down-hole ring exchanger 5 and aboveground ring exchanger 6.First optical transmitter and receiver connects the second optical transmitter and receiver by optical signal circuit (as single mode single fiber), second optical transmitter and receiver connects ethernet photoelectric commutator by picture signal circuit (as mining flame-retardant netting twine), and by control signal lines (as RS-485 order wire and 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 lines (as RS-485 order wire).
Above-mentioned image acquisition part, 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 by impulse singla circuit connection control substation, speed sensor is by frequency signal line connection control substation, control substation by camera control signal connection digital camera, combined aural and visual alarm is connected by annunciator control signal lines, connect the first optical transmitter and receiver by optical transmitter and receiver control signal lines (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, when controlling substation and receiving the impulse singla that inductance approach switch 8 transmits, lower computer display module is 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 be between two bend pulleys 13 by fixing rack for sensor 15, and and leave gap between belt, all the sensors is balanced arrangement on belt width direction.
Above-mentioned image acquisition part, in belt operational process, when inductance approach switch detects that the belt connector of metal arrives, by controlling substation control figure pick up camera with the image at the speed of 12 ~ 15 frames/second candid photograph belt connector place, speed sensor detects belt running velocity in real time, and combined aural and visual alarm can carry out sound and light alarm when detecting belt connector hidden danger.
Above-mentioned image transmitting portion, first optical transmitter and receiver is modulated into final stage optical signal the final stage picture signal received and final stage control signal, and transfer in the second optical transmitter and receiver, the final stage optical signal demodulation received is become level image signal and Two-stage control signal by the second optical transmitter and receiver, level image signal is after the conversion of ethernet photoelectric commutator, access in the exchange of down-hole again, Two-stage control signal is directly linked in the exchange of down-hole, then be transferred in aboveground ring exchanger each via down-hole ring exchanger, transmit between aboveground ring exchanger and monitoring host computer again.
Above-mentioned monitoring host computer, completes the control of image capturing system by set up applications.This software can comprise digital camera is set exposure time, aperture, gain and acquisition mode function, include display belt connector image simultaneously, Image Saving path, image are set regularly delete and the function such as record trouble information.Monitoring host computer software can the startup/closedown of belt connector image capturing system under control well, after system is opened, the parameters such as the exposure time of digital camera, gain can be set, make the image effect of collection best, 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 when inductance approach switch detects that metal belt joint arrives, and digital camera captures the image at belt connector place.System default triggering collection mode, in this fashion, system is only when 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, decrease the data volume that transmission gathers image, reduce the load of down-hole looped network.Software binding has the data bank of belt connector image, the belt connector image collected is after the process such as image conversion, enhancing, recovery and feature extraction, compare and analysis with the belt connector image (standard picture) in data bank, judge whether belt connector exists hidden danger.If judge belt connector hidden danger, monitoring host computer generation is reported to the police and is recorded the abnormal information of belt connector, thus reaches the effect of monitoring and early warning in real time.
Above-mentioned inductance approach switch is the noncontacting proximity sensor with stainless steel casing, can sense metal close, has the advantage that antijamming capability is strong.In this example, three inductance approach switches are parallel to belt connector, are arranged on side by side between two bend pulleys that belt trembles less according to a determining deviation.Inductance approach switch can sense that the belt connector of metal does not rub with strap surface again.When each inductance approach switch detects that the belt connector of metal arrives, a digital pulse signal can be produced and pass to control substation.After monitoring host computer control system is opened, when the impulse singla that the inductance approach switch that control substation receives more than two is sent simultaneously, be judged as that belt connector arrives, to increase the accuracy that joint arrival judges.When belt connector arrives, digital camera is triggered, and captures rapidly the belt connector image of travelling belt reverse side.
Select any one near the front side of belt connector at travelling belt reverse side, coat the yellow fluorescence paint band 17 being parallel to belt connector 16, band is rectangle, and it is wide about 5 centimetres.Above-mentioned band, as the mark of time (as No. one) belt connector that ranks the first, controls substation and indicates as benchmark using this, detect the belt connector of arrival successively, calculate the serial number of current belt joint according to inductance approach switch.The speed sensor be arranged in belt lane can detect belt running velocity in real time, speed sensor and belt Structure deformation, produce frequency signal and pass to control substation, control substation and calculate real-time belt running velocity, for the speed correcting process of monitoring host computer to belt connector image.When monitoring host computer detects that belt connector tears hidden danger, this information back is given and is controlled substation by monitoring host computer, while control point stands in and sends sound and light alarm, the information such as the belt connector numbering that the display of lower computer display module is abnormal and current belt speed, real-time reminding underground site staff.
The present invention, inductance approach switch and travelling belt are in contactless state, and the arrival of metal belt joint accurately can be detected, and when the belt connector of metal being detected, inductance approach switch produces impulse singla and passes to control substation.When controlling substation and receiving the impulse singla that inductance approach switch transmits, control the information such as the display module display belt connector numbering of substation and current belt running velocity, the image at control figure video capture 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 of being captured by digital camera, to monitoring host computer, realizes the aboveground mutual biography with down-hole of control signal simultaneously.Monitoring host computer controls the startup/closedown of whole system, and shows and record the belt connector image received, and realizes monitoring in real time.Monitoring host computer real-time analysis belt connector image, when detecting belt connector hidden danger, monitoring host computer produces early warning, controls substation simultaneously and produces sound and light alarm.
The relevant technologies content do not addressed in aforesaid way is taked or uses for reference prior art to 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 within scope.
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 the belt connector image that underground site gathers in real time, by the standard picture in the belt connector image gathered and belt connector data bank is analyzed, judge whether current belt joint exists hidden danger, record is carried out to the belt connector information that there is hidden danger, and makes early warning;
Image transmitting portion, comprises the first optical transmitter and receiver being positioned at borehole image collection place, the second optical transmitter and receiver being positioned at looped network access point place, down-hole, ethernet photoelectric commutator, down-hole ring exchanger and aboveground ring exchanger; First optical transmitter and receiver is by optical signal connection second optical transmitter and receiver, second optical transmitter and receiver connects ethernet photoelectric commutator by picture signal circuit, and by control signal lines 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 lines;
Image acquisition part, 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 by impulse singla circuit connection control substation, speed sensor is by frequency signal line connection control substation, control substation by camera control signal connection digital camera, combined aural and visual alarm is connected by annunciator control signal lines, connect the first optical transmitter and receiver by optical transmitter and receiver control signal lines, 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, when controlling substation and receiving the impulse singla that inductance approach switch transmits, lower computer display module is used for showing relevant information in real time, and this relevant information comprises belt connector numbering and current belt running velocity.
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 the one section of belt front upper be between two bend pulleys by fixing rack for sensor, and and leave gap between belt, all the sensors is balanced arrangement on belt width direction.
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 being 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 secondary belt connector that ranks the first, controls substation and is masked as benchmark with this, detect the belt connector of arrival successively, calculate the serial number of current belt joint according to inductance approach switch.
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 part, in belt operational process, when inductance approach switch detects that the belt connector of metal arrives, by controlling substation control figure pick up camera with the image at the speed of 12 ~ 15 frames/second candid photograph belt connector place, speed sensor detects belt running velocity in real time, and combined aural and visual alarm can carry out sound and light alarm when 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, first optical transmitter and receiver is modulated into final stage optical signal the final stage picture signal received and final stage control signal, and transfer in the second optical transmitter and receiver, the final stage optical signal demodulation received is become 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 in the exchange of down-hole again, secondary control signal is directly linked in the exchange of down-hole, then be transferred in aboveground ring exchanger each via down-hole ring exchanger, transmit between aboveground ring exchanger and monitoring host computer again.
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Cited By (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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| 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 |
| CN113607741B (en) * | 2021-07-30 | 2023-03-24 | 煤炭科学研究总院有限公司 | Belt joint defect detection method and device and electronic equipment |
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