CN104533515A - Visual automatic prevention and control device for belt conveyor for mine - Google Patents
Visual automatic prevention and control device for belt conveyor for mine Download PDFInfo
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- CN104533515A CN104533515A CN201410456868.2A CN201410456868A CN104533515A CN 104533515 A CN104533515 A CN 104533515A CN 201410456868 A CN201410456868 A CN 201410456868A CN 104533515 A CN104533515 A CN 104533515A
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- 230000000007 visual effect Effects 0.000 title claims abstract description 22
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- 239000002817 coal dust Substances 0.000 claims abstract description 8
- 239000002360 explosive Substances 0.000 claims abstract description 8
- 238000005065 mining Methods 0.000 claims description 14
- 230000033228 biological regulation Effects 0.000 claims description 12
- 238000004458 analytical method Methods 0.000 claims description 9
- 238000004880 explosion Methods 0.000 claims description 7
- 230000003287 optical effect Effects 0.000 claims description 6
- 230000000694 effects Effects 0.000 claims description 5
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- 239000000523 sample Substances 0.000 claims description 4
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Classifications
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F17/00—Methods or devices for use in mines or tunnels, not covered elsewhere
- E21F17/18—Special adaptations of signalling or alarm devices
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F13/00—Transport specially adapted to underground conditions
- E21F13/06—Transport of mined material at or adjacent to the working face
- E21F13/063—Loading devices for use in mining
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- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Mechanical Engineering (AREA)
- Control Of Conveyors (AREA)
Abstract
The invention discloses a visual automatic prevention and control device for a belt conveyor for mine suitable for a coal mine well. The visual automatic prevention and control device for the belt conveyor for the mine comprises a host, a mine-used flameproof display controller, a mine-used flameproof camera, a mine-used flameproof infrared laser emitter, a mine-used flameproof infrared laser receiver, a mine-used human body heat release amount detector and a mine-used flameproof and intrinsic safety type voice audible and visual alarm; the host is capable of analyzing videos, gathering associated sensor switch quantity signals and video signals, intelligently analyzing videos, comparing logically and outputting control signals according to a set program; the visual automatic prevention and control device is capable of duly warning a miner of violation behaviors through voice or outputting a shutdown protection signal. The visual automatic prevention and control device for the belt conveyor for the mine effectively solves the problem that a traditional infrared light curtain technology cannot adapt to the complex working environment under the coal mine well and is capable of precisely shielding the misinformation and running reliably; the electrical performance and flameproof design thereof can adapt to the work in an environment with explosive gas under the coal mine well, such as gas and coal dust; the visual automatic prevention and control device for the belt conveyor for the mine is suitable for the safe and automatic prevention and control construction under the coal mine well.
Description
Technical field
The present invention relates to issuable personal safety when miner being operated against regulations in a kind of Belt Conveyors Underground Coal Mine running and carry out the device of visual automatic prevention and control; especially for miner when ribbon conveyer runs near or the instrument of use (spade, club) etc. gos deep into ribbon conveyer running position time; should shutdown operation and when violating safety code; this device can be triggered control ribbon conveyer by force and shut down, play the effect being conducive to miner's personal safety prevention and control.Specifically can be used for there is the mining anti-explosion automatic control device worked in the explosive gas atmosphere such as gas, coal dust, the present invention relates to video intelligent analytical technology, infrared laser correlation technology, human body heat-releasing amount sensing technology and mining product explosion-proof technology; Each associated sensor is connected to main frame, calculated by the programmable logical of main frame, export signal processed reliably, also shield the wrong report because the impact of underground coal mine complex environment produces simultaneously, its electric property, Explosion-proof Design can meet down-hole equipment and technology that is moist and hazardous gas environmental work and require, meet national antiknock device certification and the requirement of MA authentication techniques, and described MA certification is the certification of national mining product safety sign.
Background technology
Chinese large-sized colliery majority achieves mechanical mining mechanization transportation, mining belt conveyor for underground operation widely uses, in down-hole, haulage drift is narrow, miner is because of in the haulage drift of need of work through being everlasting narrow and small dark, walk on the ribbon conveyer side of rolling, the belt deviation phenomenon that belt conveyor ' s pulley can cause after being stained with more long-pending thicker carbon slag, need cleaning in time, according to normal procedure, first ribbon conveyer should be shut down, clear up again, owing to supervising in down-hole difficult or lacking supervision, miner normally violates security procedure, direct use instrument gos deep into the belt conveyor ' s pulley position of running status, the personnel that cause are happened occasionally by the miserable accident of heave in ribbon conveyer, increase personnel supervision and cost height do not meet Safety of Coal Mine Production automation yet, subtract the developing direction of peopleization, violation safety code operates contingent danger to be existed constantly, not only coal mine safety management personnel see the existence of problem but also not good way management and control, the conscious prevention awareness of individual only by miner obviously effectively cannot carry out security management and control, therefore, inventing a kind of visual automatic prevention and control device of mine belt conveyor being effectively applicable to underground coal mine, is the key complied with Safety of Coal Mine Production Automation Construction demand and ensure miner's personal safety necessity.It is to be suitable for the complicated and severe working environment of underground coal mine that general simple infrared light curtain technology carries out guarding against protection, down-hole wetness is high, it is indefinite that the coal dust that coal-winning machine produces rises and falls, the stabilizing influence of the powerful device such as coal-winning machine, ribbon conveyer start and stop to voltage is serious, single infrared light curtain alarm technique is easily subject to ambient influnence and produces wrong report, affects production equipment and normally runs, as everyone knows, coal mining equipment is different from common ground equipment, to electric property, certain power, transmitting power, shell protection has strict anti-riot designing requirement and regulation, belong to explosive gas atmosphere working equipment, ore deposit must not do not descended to use by the product of national certification of explosion protection and MA certification, the mining technological invention of electric information that is can not meet mine anti-explosion designing requirement does not have Practical significance, through underground trials, the design of ordinary sensors or device, electric property cannot meet underground coal mine humidity, dust, the technical requirements of hazardous gas environmental work equipment.
Summary of the invention
For solving the problem, the invention provides a kind of visual automatic prevention and control device of mine belt conveyor being applicable to underground coal mine, solve the effective prevention and control of Belt Conveyors Underground Coal Mine personal safety and moist mist-like dust blocks infrared light curtain, shine into the problem of wrong report; Meet the requirement of mining product Explosion-proof Design, normally can work in underground coal mine complex environment and universal use.
Technical scheme of the present invention is: a kind of visual automatic prevention and control device of mine belt conveyor being applicable to underground coal mine, comprise the visual automatic prevention and control device main frame of mine belt conveyor, flame-proof mine display controller, mine explosion-proof type camera, flame-proof mine Infrared laser emission device, flame-proof mine infrared laser receiver; The mine human body heat amount of releasing probe; Mine explosion-suppression and intrinsic safety type voice audible-visual annunciator; The visual automatic prevention and control device main frame of described mine belt conveyor possesses video intelligent analysis, gathers the sensor switching value signal that is associated and vision signal, carry out video intelligent analysis and logic contrast, the one of output switch amount control signal by setup program; Other equipment are coupled, and it plays host computer control effect; Described flame-proof mine Infrared laser emission device, possess the one of launching 940NM IR wavelengths and 650NM wavelength laser device simultaneously, for meeting the requirement of coal mining product Explosion-proof Design, its 940NM infrared wavelength emissions Output optical power is 30mW, higher than 150mW; Its 650NM optical maser wavelength emitting output light power is 135Mw, higher than 150mW; ; Match to use with described flame-proof mine infrared laser receiver and form infrared laser correlation surveillance device, the stronger 650NM Laser emission visible ray of penetration power can be started when vaporific dust blocks 940NM infrared light cisco unity malfunction main frame, can ensure that normal work can mark again a visible Security alert light aloft, the described mine human body heat amount of releasing probe is the one of infrared diffuse induction human body heat-releasing high-volume sensor; Described mine explosion-proof type camera plays video acquisition effect, is the one of field video picture camera; Vision signal, laser pick-off cell signal, infrared receiver signal, mine human body heat are released quantity sensor Signal transmissions to main frame; judge through video intelligent analysis and each sensor signal of programmable logic COMPREHENSIVE CALCULATING; being that the wrong report of ambient influnence shields, is that personnel's alert trigger of breaking rules and regulations exports shutdown control signal or phonetic warning signal accurately.
Described flame-proof mine display controller is the one that video image display and LED information are shown as one; Described flame-proof type meets the equipment that the equipment worked in explosive gas atmosphere undertakies by flameproof enclosure protecting; can be used for the mine having gas, coal dust explosion hazard; shell protection grade, electric property meet the technical requirements of national anti-explosion product certification and MA certification; technical solution of the present invention is not limited to flame-proof type, also can adopt intrinsic safety type or Flameproof and intrinsically safe.
Beneficial effect of the present invention: through in the checking of underground coal mine practical service environment, can phonetic warning and stoppage protection in time not according to the act of violating regulations of regulations program to miner; Can shield wrong report accurately, run reliably, its electric property and Explosion-proof Design can be applicable to underground coal mine and contain in the explosive gas atmosphere such as gas, coal dust and work.
Accompanying drawing explanation
Fig. 1 structure chart of the present invention.
The combination pictorial diagram of Fig. 2 main frame and mine explosion-suppression display controller.
The visual automatic prevention and control device main frame Explosion-proof Design figure of Fig. 3 mine belt conveyor.
Fig. 4 mine explosion-suppression display controller Explosion-proof Design figure.
Fig. 5 flame-proof mine Infrared laser emission device and flame-proof mine infrared laser receiver corporation assembling drawing.
Fig. 6 flame-proof mine Infrared laser emission device, the explosion-proof plan of flame-proof mine infrared laser receiver.
Detailed description of the invention
First, in belt conveyer head tail both sides, corresponding flame-proof mine Infrared laser emission device and flame-proof mine infrared laser receiver are installed, form the inside and outside twice infrared laser correlation surveillance device that medial lateral twice are parallel, twice device space is at about 35cm, and one group, inner side infrared laser correlation is about 10cm from belt conveyer, and installation is exchanged in the transmitting and receiving of twice infrared emission, infrared emission in the same way arranges frequency conversion, avoids without interfere, flame-proof mine Infrared laser emission device is established by least 1 infrared emission unit and at least 1 laser emission element that be integrated in can on the inside fixed mount of pull, also can integrated circuit board, parallel luminous point about the spacing 30cm of element, injected by fixed mount in 60mm X 60mm X 1200mm rectangular tube flameproof enclosure, rectangular tube wall thickness is at more than 3mm, its material is stainless steel 304, also label can be used to be not less than the rigidity material of Q235 steel, and the interface of its casing cover and Transparent Parts loophole meet the technical requirements of explosion-insulation surface, integrated flame-proof mine Infrared laser emission device, described flame-proof mine infrared laser receiver be establish integrated being fixed on by least 1 infrared receiver and at least 1 laser pick-off unit can on the inside fixed mount of pull, also can integrated circuit board, utilizing emitted light dot spacing 30cm, injected by fixed mount in 60mm X 60mm X1200mm rectangular tube shell, rectangular tube wall thickness is at more than 3mm, its material is stainless steel 304, also label can be used to be not less than the rigidity material of Q235 steel, and the interface of lid and Transparent Parts loophole meet the technical requirements of explosion-insulation surface, the red receiver of integrated flame-proof mine, described infrared emission unit produces recurrent pulse circuit by IC1 (NE555), drives infrared emission diode, the externally 940NM impulse wave of emit periodic, described infrared receiver passes through infrared receiving diode, receive the periodicity 940NM impulse wave that infrared emission instrument is launched, in the process by Q1 ~ Q5, periodic pulse signal is arranged to be stored in C6 point solution electric capacity, voltage rise in electrochemical capacitor, drive Q6, the circuit of Q7, switch drive is carried out to relay, form infrared emission surveillance device, be blocked and will trigger infrared receiver output alarm on-off model to main frame, main frame carries out programmable logic output starting relay and connects described laser emission element circuit, described laser emission element is by laser luminescence diode, externally launches the point-like visible ray of 650NM wavelength, described laser pick-off unit is by laser pick-off diode, receive the 650NM wavelength light of Laser emission, in the process by Q1 ~ Q5, signal is arranged to be stored in C6 point solution electric capacity, voltage rise in electrochemical capacitor, drives the circuit of Q6, Q7, switch drive is carried out to relay, forms laser-correlation surveillance device, be blocked and will output to main frame by triggering laser receiving element alarm switch amount signal, the signal, the main frame that export in conjunction with video intelligent analysis carry out programmable logic comparing calculation, export and control stopping signal, described video intelligent analytical technology is one of function of main frame, is to carry out head end video IMAQ by mine explosion-proof type camera vision signal is connected to main frame, output to flame-proof mine display controller by main frame and carry out image display, main frame delimit (setting) region in display image, set and carry out logical calculated by non-defined area to the dynamic video (personnel walk about route) of defined area, export digital quantity signal and amplify through oversampling circuit a kind of technology that starting relay exports control signal, main frame is through programmable logic COMPREHENSIVE CALCULATING laser pick-off cell signal, infrared receiver signal, video intelligent analytic signal, mine human body heat releases quantity sensor signal, logically programmed decision is that the wrong report of ambient influnence shields, that personnel's alert trigger of breaking rules and regulations exports shutdown control signal or phonetic warning accurately.
Secondly, at the discharge port of belt conveyer head, mine belt conveyor discharge port infrared emission device is installed, described mine belt conveyor discharge port infrared emission device is made up of FYF2 flame-proof mine infrared transmitter and FYS2 flame-proof mine infrared remote receiver, spacing is installed according to the width of discharge port, general at about 1 meter, described FYF2 flame-proof mine infrared transmitter is can on the inside fixed mount of pull by integrated being fixed on of multiple infrared emission unit flat raft, also can integrated circuit board, luminous point uniform distance 8cm; Arranging width is about 128cm, fixed mount is injected in the rectangular tube flameproof enclosure of 60mm X 60mm X 1500mm wall thickness 3mm, material is 304 stainless steels, also label can be used to be not less than the rigidity material of Q235 steel, the interface of lid and Transparent Parts loophole will meet the technical requirements of explosion-insulation surface, described FYS2 flame-proof mine infrared remote receiver is can on the inside fixed mount of pull by integrated being fixed on of multiple infrared emission unit flat raft, also can integrated circuit board, luminous point uniform distance 8cm; Arranging width is about 128cm, fixed mount is injected in the rectangular tube shell of 60mm X 60mm X 1500mm wall thickness 3mm, material is 304 stainless steels, also label can be used to be not less than the rigidity material of Q235 steel, the interface of lid and Transparent Parts loophole will meet the technical requirements of explosion-insulation surface, personnel output to main frame in this Sensor monitoring region by triggering infrared receiver on-off model, main frame carries out intelligent logical and calculates control signal output, general set timing as required and export, do not arrive meter and fix time and do not export.
3rd, at belt conveyer head tail, a set of apparatus of the present invention are installed respectively, use fire resistant optical communication cable for coal mine to connect and realize signal transmission and interlock, apparatus of the present invention of head are equipped with mining start-stop sensor, during the confidential startup of ribbon conveyer power electric, mains supply line has lasting electric current, can [hold/stop] on-off model after mining start-stop sensor sensing to electric current and output to main frame, main frame can the working mode change of linkage control device thus, with the running status of automatic synchronization ribbon conveyer, a few alarm signal synchronism output of inspecting state, described alarm signal synchronism output is that the main frame that the warning stopping signal of tail is transferred to head exports, shut down to control belt conveyer head power motor, realize visual interlock prevention and control.
4th, main frame uses colliery polyvinyl chloride-insulated polyvinyl chloride control flexible cable to connect each auxiliary equipment, and the audio file content in trigger interface 01 passage of described mine explosion-suppression and intrinsic safety type voice audible-visual annunciator is " danger, No striding red line! " when miner is near belt conveyer head lateral distance 35cm, outside can be triggered to injection device, on-off model is transferred to main frame by flame-proof mine infrared laser receiver, completes a language acousto-optic hint by main frame in conjunction with video analysis and human body heat-releasing amount transducing signal Logic judgment, as miner near ribbon conveyer lateral distance 10cm time, inner side can be triggered to injection device, on-off model is transferred to main frame by the flame-proof mine infrared laser receiver of inner side, a ribbon conveyer engine off control is completed by main frame COMPREHENSIVE CALCULATING video analysis and human body heat-releasing amount transducing signal Logic judgment, the on-off model that injection device is sent of the trigger interface 02 channel reception belt-conveying machine head discharge port of mine explosion-suppression and intrinsic safety type voice audible-visual annunciator, receive the normally closed signal continuation of signal aft engine switch amount and there is countdown procedure, sustainable existence (can set) more than 5 seconds, relay 002 can be driven, what relay 002 connected is the trigger interface 02 of auxiliary equipment mine explosion-suppression and intrinsic safety type voice audible-visual annunciator, audio file content in interface 02 passage is for " discharge port forbids the people that stands! " when miner is through belt conveyer head discharge port passage, that can trigger discharge port passes to main frame to injection device by on-off model, if miner have passed discharge port passage according to security regulations in 5 seconds, belong to main frame in safe range and do not export control signal, main frame exports a verbal cue warning and acousto-optic suggestion content is that " discharge port forbids the people that stands if 5 seconds are not by discharge port passage! ", (can set) more than 10 seconds, engine off control signal can be exported by programmable logic, realize protection personal safety.
5th, at head and tail to installing 1 mine explosion-proof type camera all less and mine human body heat is released quantity sensor and is connected to device main frame, flame-proof mine display controller is the one that video image display and LED information are shown as one, flame-proof mine display controller and the combination of device main frame are installed, observe tail when the image of flame-proof mine display controller display starts conveyor for miner and whether have people in deathtrap, in order to avoid error starting is hurted sb.'s feelings, even if someone miner when deathtrap ignores monitor video error starting, the present invention also can detect and export block signal and not allow ribbon conveyer to start, play the object of visual automatic prevention and control.
By describing above and can illustrating, the invention solves the visual automatic prevention and control device of a kind of mine belt conveyor to run reliably at underground coal mine, its electric property and Explosion-proof Design can be applicable to underground coal mine and contain in the explosive gas atmosphere such as gas, coal dust and work; Can phonetic warning or stoppage protection in time not according to the act of violating regulations of regulations program to miner; Wrong report can be shielded accurately, be applicable to coal mine downhole safety automation protection and build use.
Claims (4)
1. one kind is applicable to the visual automatic prevention and control device of mine belt conveyor of underground coal mine, comprise the visual automatic prevention and control device main frame of mine belt conveyor, flame-proof mine display controller, mine explosion-proof type camera, flame-proof mine Infrared laser emission device, flame-proof mine infrared laser receiver; The mine human body heat amount of releasing probe; Mine explosion-suppression and intrinsic safety type voice audible-visual annunciator; The visual automatic prevention and control device main frame of described mine belt conveyor possesses video intelligent analysis, gathers the sensor switching value signal that is associated and vision signal, carry out video intelligent analysis and logic contrast, the one of output switch amount control signal by setup program; Other equipment are coupled, and it plays host computer control effect; Described flame-proof mine Infrared laser emission device, possess the one of launching 940NM IR wavelengths and 650NM wavelength laser device simultaneously, for meeting the requirement of coal mining product Explosion-proof Design, its 940NM infrared wavelength emissions Output optical power is 30mW, higher than 150mW; Its 650NM optical maser wavelength emitting output light power is 135Mw, higher than 150mW; ; Match to use with described flame-proof mine infrared laser receiver and form infrared laser correlation surveillance device, the stronger 650NM Laser emission visible ray of penetration power can be started when vaporific dust blocks 940NM infrared light cisco unity malfunction main frame, can ensure that normal work can mark again a visible Security alert light aloft, the described mine human body heat amount of releasing probe is the one of infrared diffuse induction human body heat-releasing high-volume sensor; Described mine explosion-proof type camera plays video acquisition effect, is the one of field video picture camera; Vision signal, laser pick-off cell signal, infrared receiver signal, mine human body heat are released quantity sensor Signal transmissions to main frame; judge through video intelligent analysis and each sensor signal of programmable logic COMPREHENSIVE CALCULATING; being that the wrong report of ambient influnence shields, is that personnel's alert trigger of breaking rules and regulations exports shutdown control signal or phonetic warning signal accurately.
2. flame-proof mine display controller described in is the one that video image display and LED information are shown as one; Described flame-proof type meets the equipment that the equipment worked in explosive gas atmosphere undertakies by flameproof enclosure protecting; can be used for the mine having gas, coal dust explosion hazard; shell protection grade, electric property meet the technical requirements of national anti-explosion product certification and MA certification; technical solution of the present invention is not limited to flame-proof type, also can adopt intrinsic safety type or Flameproof and intrinsically safe.
3. at belt conveyer head tail, a set of apparatus of the present invention are installed respectively, use fire resistant optical communication cable for coal mine to connect and realize signal transmission and interlock, apparatus of the present invention of head are equipped with mining start-stop sensor, during the confidential startup of ribbon conveyer power electric, mains supply line has lasting electric current, can [hold/stop] on-off model after mining start-stop sensor sensing to electric current and output to main frame, main frame can the working mode change of linkage control device thus, with the running status of automatic synchronization ribbon conveyer, a few alarm signal synchronism output of inspecting state, described alarm signal synchronism output is that the main frame that the warning stopping signal of tail is transferred to head exports, shut down to control belt conveyer head power motor, realize visual interlock prevention and control.
4. the present invention can phonetic warning and stoppage protection in time not according to the act of violating regulations of regulations program to miner; Can shield wrong report accurately, run reliably, its electric property and Explosion-proof Design can be applicable to underground coal mine and contain in the explosive gas atmosphere such as gas, coal dust and work.
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| CN201410456868.2A CN104533515A (en) | 2014-09-10 | 2014-09-10 | Visual automatic prevention and control device for belt conveyor for mine |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107499859A (en) * | 2017-08-21 | 2017-12-22 | 凌治坤 | The security protection system and its method of work that a kind of anti-people of ribbon conveyer does harm to due to wound |
| CN107884074A (en) * | 2017-11-09 | 2018-04-06 | 无锡百禾工业机器人有限公司 | A kind of marking machine online monitoring system |
| CN109660761A (en) * | 2018-12-21 | 2019-04-19 | 鞍钢集团自动化有限公司 | The personal identification of band conveyer corridor complex environment and alarm system and method based on SSD |
| CN110784681A (en) * | 2019-09-26 | 2020-02-11 | 中国矿业大学 | Mining breaker front end personnel protection system based on image recognition |
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