CN105451003A - Underground water and fire alarm system based on image and heading machine monitoring equipment - Google Patents
Underground water and fire alarm system based on image and heading machine monitoring equipment Download PDFInfo
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- CN105451003A CN105451003A CN201610001275.6A CN201610001275A CN105451003A CN 105451003 A CN105451003 A CN 105451003A CN 201610001275 A CN201610001275 A CN 201610001275A CN 105451003 A CN105451003 A CN 105451003A
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 57
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title abstract description 26
- 239000003245 coal Substances 0.000 claims abstract description 18
- 238000011161 development Methods 0.000 claims description 66
- 238000004891 communication Methods 0.000 claims description 26
- 238000003860 storage Methods 0.000 claims description 20
- 238000006424 Flood reaction Methods 0.000 claims description 19
- 230000007812 deficiency Effects 0.000 claims description 12
- 238000000034 method Methods 0.000 claims description 11
- 238000005065 mining Methods 0.000 claims description 11
- 238000005507 spraying Methods 0.000 claims description 8
- 238000012546 transfer Methods 0.000 claims description 7
- 238000009434 installation Methods 0.000 claims description 4
- 238000004364 calculation method Methods 0.000 claims description 3
- 230000005641 tunneling Effects 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 9
- 238000012545 processing Methods 0.000 abstract description 2
- 238000007726 management method Methods 0.000 description 9
- 230000006378 damage Effects 0.000 description 4
- 238000001514 detection method Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000004458 analytical method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000002955 isolation Methods 0.000 description 2
- 206010033799 Paralysis Diseases 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000002817 coal dust Substances 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
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- 238000013461 design Methods 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
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- 239000011435 rock Substances 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/18—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast
- H04N7/181—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast for receiving images from a plurality of remote sources
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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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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/02—Alarms for ensuring the safety of persons
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Abstract
The invention discloses an underground water and fire alarm system based on an image and heading machine monitoring equipment. A camera is installed in a heading channel or a heading machine underground a coal mine, and is connected with the image and heading machine monitoring equipment and a video server. The image and heading machine monitoring equipment collects the data of the heading machine, and monitors an on-site video and heading machine data. The water and fire alarm data is transmitted to a monitoring terminal according to a monitoring result. A production management worker can check the on-site real-time and historical video through the monitoring terminal, and can carry out emergency processing. The system gives full consideration to the characteristics of water and fire hazards of a heading face of the coal mine, is simple in implementation, automatically and timely takes corresponding measures, can accurately give an alarm against water burst of the coal mine in the first time, and strives for valuable rescue and escape time for underground persons in other regions.
Description
Technical field
The present invention relates to a kind of driving face floods warning system based on image monitoring, this system relates to image steganalysis and the field such as to communicate.
Background technology
Coal is China's main energy sources, accounts for primary energy 70%.Coal industry is high risk industries, and the accidents such as gas, floods, fire, top board, coal dust annoying Safety of Coal Mine Production.In China's coal-mine generation severe and great casualty, natural calamity larger to mine harmfulness during mine water disaster, calculates with the number of coal mining accident death, water damage accident accounts for 15.72%, is only second to gas and roof accident, occupies the 3rd, after mine generation floods accident, its harm comprises:
1, to destroy by rush of water tunnel, pile things on, to flood and shutoff personnel.
2, with gushing water, have a large amount of coal slimes and rock alluvial tunnel, cause difficulty to personnel escape.
3, damage equipment.Down-hole electrical equipment, after cable is immersed in water, its insulating capacity declines rapidly, causes difficulty to the transport of down-hole, ventilation, draining etc., and the probability of surviving of the personnel that do not flee from time is reduced.
4, to gush out a large amount of toxic and harmfuls, the life condition environment of not fleeing from personnel is in time worsened more.
In sum, mine water disaster is the serious disaster in colliery, must accomplish promptly and accurately in coal production to the warning of mine water disaster.Current floods early warning based on the hydrology detection prevention, underground for probing water, tendency phenomenon observe and, hydrology detection and underground for probing water can prevent down-hole floods accident, but due to hydrologic regime complexity also may be there is, design improper, take effective measures, manage improperly and the reason such as thought paralysis of people, hydrology detection and underground for probing water can not prevent the generation of gushing water completely, more can not report to the police to the down-hole gushing water of burst; Based on artificial micro-judgment, there is larger subjective factor in the observation of tendency phenomenon.At present for on-the-spot water inrush accident, the artificial warning of main dependence Field Force, but when gushing water occurs in unattended time or region, or Field Force flees from hastily and fails initiative alarming, control room just cannot obtain the information that gushing water occurs timely, down-hole relevant staff cannot be notified in time, so that can not take emergency measures in time to water inrush accident, easily cause the out of control and casualties of water damage.Driving face is the region that water inrush accident easily occurs in down-hole, for effectively reducing the mine property loss and casualties that floods cause, need new driving face down-hole floods warning system, exactly driving face gushing water can be reported to the police the very first time, for not striving for the valuable disaster relief and escape time other region personnel in the pit that scene occurs.
Summary of the invention
The present invention proposes a kind of down-hole floods warning system based on image and development machine monitoring equipment, and described system mainly comprises: video camera, video splitter, development machine controller, image and development machine monitoring equipment, video server, mining Ethernet, storage server, monitor terminal; Wherein video camera, video splitter, development machine controller, image and development machine monitoring equipment, video server are installed in down-hole, and storage server and monitor terminal are installed on aboveground; Video camera is installed in the digging laneway of underground coal mine or on development machine, camera acquisition driving face live video analog image; Image and development machine monitoring equipment form and comprise: core processor, memory module, video acquisition module, flame proof shell, power management module, serial communication modular, network communication module; Image and development machine monitoring equipment gather the development machine and sprayer unit data thereof that development machine controller exports, and monitor in headwork plane video the burst and constant stream of spraying with development machine and haveing nothing to do, send floods alarm signal according to monitoring result, alarm signal transfers to aboveground monitor terminal by mining Ethernet; Monitor terminal is responsible for display alarm information, obtains live video by video server, obtains history live video by access storage server.Concrete grammar comprises:
1. camera installation locations is in digging laneway or on development machine, near top, tunnel or be highly greater than 2 meters; At video camera other installation secondary light source, it is consistent that light projecting direction and camera video gather direction.
2. image is connected video camera analog video delivery outlet with the video acquisition module of development machine monitoring equipment, and video acquisition module is responsible for, by analog video signal digitlization, digital of digital video data being outputted to core processor.
3. image is connected the communication module of development machine controller with the serial communication modular of development machine monitoring equipment, gathers control and the status data of spraying device of tunneling machine; The network communication module connecting mine Ethernet of image and development machine monitoring equipment, is communicated with aboveground monitor terminal by mining Ethernet.
4. the subregion A in the camera supervised scope of pair image and development machine monitoring equipment sets, and stores in a storage module; The arithmetic mean of the pixel count of each gray value in computing K two field picture setting regions A; Ask and be more than or equal to setting gray value M
1pixel summation D
s, and by last frame image as a setting image b (x, y) store, interval time T
sto D
supgrade with b (x, y); Ask in latest image frame at interval of P frame and in setting regions A, be more than or equal to setting gray value M
2pixel summation D
h, work as D
hbe more than or equal to D
ssetting threshold M
3time trigger early warning; Image and development machine monitoring equipment monitor development machine and sprayer unit operating state thereof, exist and are never opened to the state of opening spraying and change, then cancel early warning, and upgrade D as triggered before early warning and monitoring development machine in T second
swith b (x, y); After entering modes of warning, at interval of Q
1frame carries out accumulated deficiency process to the real time video image f (x, y) of camera acquisition and the background image b (x, y) that deposits, and accumulated deficiency operational formula is:
P in formula
n(x, y) is setting regions for the accumulated deficiency image initial value having processed n frame is 0, A, T
1for setting gray threshold; By accumulated deficiency calculation process Q
2after frame, ask and be more than or equal to setting gray value T
2pixel summation D
t, as met D
t>=R, then send floods alarm signal; In formula, R is the growth threshold value of setting; All threshold values that monitoring is relevant and parameter comprise K, P, T
s, M
1, M
2, M
3, T, Q
1, Q
2, T
1, T
2, R by measure setting or artificially set, store in a storage module.
Accompanying drawing explanation
Fig. 1 is based on the down-hole floods warning system schematic diagram of image and development machine monitoring equipment.
Fig. 2 image and development machine monitoring equipment structural representation.
The workflow schematic diagram of Fig. 3 driving face warning system.
Schematic flow sheet monitored by Fig. 4 image and development machine monitoring equipment.
Embodiment
Figure 1 shows that the embodiment of described system, system composition comprises:
1. video camera (101), the mining analog video camera adopting coal mine flame-proof to require, with secondary light source, is arranged in digging laneway or on development machine, is connected by coaxial cable with video splitter (102).
2. video splitter (102), be responsible for a road analog signal output of video camera being divided into two-way and export, a wherein road map interlinking picture and development machine monitoring equipment (103), another road connects video server (105).
3. image and development machine monitoring equipment (103), receive the road analog video signal exported by video splitter (102), be responsible for monitoring according to video and development machine and sprayer unit data thereof, according to monitoring result, send floods alarm signal to monitor terminal.Image is connected development machine controller (104) with development machine monitoring equipment by serial ports and gathers development machine data, connects video splitter (102) gather video by coaxial cable.
4. development machine controller (104), be responsible for the status data gathering development machine and sprayer unit thereof, data transfer to storage server by Industrial Ethernet, and adopt Programmable Logic Controller (PLC), Programmable Logic Controller has communication interface or communication module.Use Siemens SIMATICS7-300 in the present embodiment, configuration CP341 module is by RS232 standard and image and development machine monitoring equipment (103).
5. video server (105), also video encoder is claimed, receive the road analog video signal that exported by video splitter (102), by its digitlization and compressed encoding, by mining Ethernet to aboveground storage server and monitor terminal transmitting video data.Select Haikang DS-6701HW one-way network video server in the present embodiment, be set to multicast mode.
6. down-hole switch (106), it is the down-hole access device of mining Ethernet, serial connection forms looped network, be responsible for video server and other access by network communication equipment and exchanges data, equipment access end is generally RJ45 interface, looped network continues and holds as optical interface, has flameproof enclosure, meets the requirement of underground coal mine flame proof.
7. the network switch (107) is the hard core control equipment of mining Ethernet, is responsible for management and the exchanges data of the equipment of all access networks.
8. storage server (108), the video data that responsible reception is uploaded by video server also stores, for monitor terminal provides on-the-spot historical query to transfer service.
9. monitor terminal (109), has sound and light of alarm, receives the alert data then sound and light alarm of image and development machine monitoring equipment (103); Monitor terminal has real-time video monitoring and history video transfers function, production management personnel check the live video image uploaded by video server (105) by monitor terminal, also can transfer history video data from storage server (108).Production management personnel send alarm signal by Technology for Communication System of Coal Mine, issue emergency scheduling instruction to related personnel, and notice withdraws from coal mine underground operators.Monitor terminal built-in down-hole geography information, and there is map denotation engine, the present embodiment uses the visualized map assembly MapX of MapInfo company, can automatically show the camera position monitoring gushing water when floods are reported to the police.
As shown in Figure 2, image and development machine monitoring equipment form and comprise: core processor, memory module, video acquisition module, serial communication modular, network communication module, power supply and clock module and flame proof shell.
1. core processor (201), adopt Samsung S3C2440 processor, S3C2440 is the microprocessor based on ARM920T kernel, there are 8 bit digital video interfaces, maximum supports 4096 × 4096 pixel programmable vision synchronizing signal inputs, by the video data of 8 bit digital video interface receiver, videos acquisition module (203); S3C2440 is by 16 BITBUS network mode interconnection networks communication module (205); S3C2440 also has 3 UART interface, 2 SPI interfaces, 2 USB interface, 1 IIC-BUS interface; To be connected with serial communication modular (204) by UART interface and to communicate; Carry out control by IC-BUS interface with video acquisition module SAA7113 to communicate, use embedded Linux platform to realize drived control communication, built-in OpenCV storehouse is used for video data process.
2. memory module (202); Comprise the EEPROM of 256MNANDFlash, a slice 4MNORFlash, 128MSDRAM, a slice IIC-BUS interface.
3. video acquisition module (203); Main process chip adopts SAA7113H video input process chip, SAA7113H is QFP44 encapsulation, voltage 3.3V, carry out control by IIC-BUS interface with core processor (201) to communicate, four road analog input channel one tunnels are selected to carry out the collection of camera simulation field frequency vision signal, by the digital video of 8 VPO buses to core processor (201) outputting standard ITU656 form.
4. serial communication modular (204) uses the MAX232 chip rs-232 standard serial ports single supply level transferring chip of TI company, uses 5V Power supply, uses transit cable to connect 9 needle serial ports and realizes communication.
5. network communication module (205), main chip adopts DM9000, DM9000 to be fully-integrated singlechip Ethernet mac controllers, and the procotol on upper strata is driven by the built-in Linux of core processor to be supported.DM9000 supports 10/100M self adaptation, supports the supply voltage of 3.3V and 5V.DM9000 connects RJ45 network interface by network isolation transformer interface chip YL18-1080S, realizes communicating to the physical connection of network.
6. power supply and clock module (206) comprise AC/DC Switching Power Supply, DC voltage changes and Clock management element, and AC/DC Switching Power Supply exports 5V direct current, and DC voltage conversion all adopts MAX1724 power supply chip, is all chip power supplies; Select 12MHz crystal oscillator
7. flame proof shell (207) is for the physical isolation of internal circuit and external environment, should meet the requirement of underground coal mine flame proof.
Driving face floods report to the police the course of work as shown in Figure 3:
1. (301) camera acquisition video image, by the in-site modeling vision signal that collects by co-axial cables transport to video splitter (102).
2. in-site modeling vision signal is divided into two-way analog video signal by (302) video splitter, sends image and development machine monitoring equipment (103) and video server (105) respectively to.
3. (303) video server (105) digitized analog video signal carry out compressed encoding, by netting twine by the video data after compressed encoding with multicast transmission to storage server (108) and monitor terminal (109).
4. (304) storage server (108) receives live video data and stores.
5. (305) image and development machine monitoring equipment pass through video acquisition module (203) by analog video signal digitlization.
6. (306) image and development machine monitoring equipment gather development machine status data by serial communication modular (204).
7. (307) image and development machine monitoring equipment pass through the built-in storehouse Treatment Analysis video data of core processor (201), happen suddenly and constant stream in monitoring headwork plane video, and with reference to development machine spraying apparatus status data, analysis result is judged.
8. (308) are when monitoring result meets alert if, then used by alert data TCP communication mode to be uploaded to monitor terminal (109) by the down-hole switch (106) of network communication module (205) connecting mine Ethernet.
9. after (309) monitor terminal (109) receives alert data, automatically show gushing water position according to camera number over the display by map denotation engine, and sound and light alarm prompting production management personnel process.
10. (310) production management personnel transfer on-the-spot history video by monitor terminal (109) access storage server (108).
11. (311) production management personnel watch the live video uploaded by video server (105) simultaneously, confirm warning generating process and presence states situation.
12. (312) production management personnel send alarm signal by Technology for Communication System of Coal Mine, issue emergency scheduling instruction to related personnel after confirming warning, and notice withdraws from coal mine underground operators.
Image and development machine monitoring equipment monitor flow process as shown in Figure 4:
1. the parameter transferring guarded region A when (401) image starts to development machine monitoring equipment relevant with all monitoring computings carries out transferring.
2. (402) add up the pixel count of each gray value in every two field picture region A, obtain sequence H
i; The arithmetic mean of the pixel count of each gray value in computing K two field picture region A,
obtain sequence S
i.
3. the pixel count D in (403) statistics setting gray area
s,
4. (404) will finally collect two field picture image b (x, y) storage as a setting.
5. (405) interval P frame is asked in latest image frame and is more than or equal to setting gray value M in setting regions A
2pixel summation D
h,
6. (406) are as (D
h-D
s)>=M
3, then perform (408), otherwise perform (407); M
3for setting threshold.
7. (407) determine whether background image T update time
s, as then returned (402) to update time, otherwise return (405).
8. (408) trigger early warning, put pre-warning mark.
9. (409) upgrade and store background image b (x, y).
10. (410) monitoring spraying device of tunneling machine status data, return (402) as development machine exists in the fixed time to be never opened to after the state of opening spraying changes then execution (414) before early warning, otherwise return (411).
11. (411) continue setting-up time carries out accumulated deficiency image operation to real time video image and background image of depositing.
12. (412) carry out gray-scale pixels statistics to processing the accumulated deficiency image obtained
In formula, f (x, y) is real time video image, P
n(x, y) is setting regions for the accumulated deficiency image initial value having processed n frame is 0, A, T
1for setting gray threshold; By accumulated deficiency calculation process Q
2after frame, ask higher than setting gray value T
2pixel summation D
t.
13. (413) as D
t>=R, then perform (415), otherwise return (402) after performing (414), and R is the growth rate threshold value of setting.
13. (415) send floods alarm signal.
14. (414) remove pre-warning mark, cancel alert status.
Claims (7)
1., based on a down-hole floods warning system for image and development machine monitoring equipment, it is characterized in that: system mainly comprises video camera, video splitter, development machine controller, image and development machine monitoring equipment, video server, mining Ethernet, storage server, monitor terminal; Wherein video camera, video splitter, development machine controller, image and development machine monitoring equipment, video server are installed in down-hole, and storage server and monitor terminal are installed on aboveground; Video camera is installed in coal mine underground tunneling roadway or on development machine, camera acquisition driving face live video analog image; Image and development machine monitoring equipment form and comprise: core processor, memory module, video acquisition module, serial communication modular, network communication module, power supply and clock module and flame proof shell; Image and development machine monitoring equipment gather the development machine and sprayer unit data thereof that development machine controller exports, and monitor in headwork plane video the burst and constant stream of spraying with development machine and haveing nothing to do, send floods alarm signal according to monitoring result, alarm signal transfers to aboveground monitor terminal by mining Ethernet; Monitor terminal is responsible for display alarm information, obtains live video by video server, obtains history live video by access storage server.
2. warning system as claimed in claim 1, is characterized in that: camera installation locations is in digging laneway or on development machine, near top, tunnel or be highly greater than 2 meters; At video camera other installation secondary light source, it is consistent that light projecting direction and camera video gather direction.
3. warning system as claimed in claim 1, it is characterized in that: image is connected video camera analog video delivery outlet with the video acquisition module of development machine monitoring equipment, video acquisition module is responsible for, by analog video signal digitlization, digital of digital video data being outputted to core processor.
4. warning system as claimed in claim 1, is characterized in that: image is connected the communication module of development machine controller with the serial communication modular of development machine monitoring equipment, gathers the status data of development machine and sprayer unit thereof; The network communication module connecting mine Ethernet of image and development machine monitoring equipment, is communicated with aboveground monitor terminal by mining Ethernet.
5. warning system as claimed in claim 1, is characterized in that: set the subregion A in the camera supervised scope of image and development machine monitoring equipment, store in a storage module; The arithmetic mean of the pixel count of each gray value in computing K two field picture setting regions A; Ask and be more than or equal to setting gray value M
1pixel summation D
s, and by last frame image as a setting image b (x, y) store, interval time T
sto D
supgrade with b (x, y); Ask in latest image frame at interval of P frame and in setting regions A, be more than or equal to setting gray value M
2pixel summation D
h, work as D
hbe more than or equal to D
ssetting threshold M
3time trigger early warning; K, P, T
s, M
1, M
2, M
3by measuring setting or artificially setting, store in a storage module.
6. warning system as claimed in claim 5, it is characterized in that: image and development machine monitoring equipment monitor development machine and sprayer unit operating state thereof, never be opened to the state of opening spraying change as development machine in T second before triggering early warning and monitoring exists, then cancel early warning, and upgrade D
swith b (x, y); T, by measuring setting or artificially setting, stores in a storage module.
7. warning system as claimed in claim 5, is characterized in that: after entering modes of warning, at interval of Q
1frame carries out accumulated deficiency process to the real time video image f (x, y) of camera acquisition and the background image b (x, y) that deposits, and accumulated deficiency operational formula is:
P in formula
n(x, y) is setting regions for the accumulated deficiency image initial value having processed n frame is 0, A, T
1for setting gray threshold; By accumulated deficiency calculation process Q
2after frame, ask and be more than or equal to setting gray value T
2pixel summation D
t, as met D
t>=R, then send floods alarm signal; In formula, R is the growth threshold value of setting; Q
1, Q
2, T
1, T
2, R by measure setting or artificially set, store in a storage module.
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| CN106657935A (en) * | 2017-03-01 | 2017-05-10 | 中国矿业大学(北京) | Coal cutter abnormal work and disaster alarm system based on images |
| CN106791721A (en) * | 2017-03-01 | 2017-05-31 | 中国矿业大学(北京) | Development machine abnormal work and disaster underground warning system based on infrared image |
| CN106851210A (en) * | 2017-03-01 | 2017-06-13 | 中国矿业大学(北京) | Development machine abnormal work and calamity forecast system based on image |
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| CN105451003B (en) | 2018-11-30 |
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