CN103266919A - Network digital straight-bar direct-reading roof separation instrument - Google Patents
Network digital straight-bar direct-reading roof separation instrument Download PDFInfo
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- CN103266919A CN103266919A CN2013101931097A CN201310193109A CN103266919A CN 103266919 A CN103266919 A CN 103266919A CN 2013101931097 A CN2013101931097 A CN 2013101931097A CN 201310193109 A CN201310193109 A CN 201310193109A CN 103266919 A CN103266919 A CN 103266919A
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Abstract
The invention discloses a network digital straight-bar direct-reading roof separation instrument. The network digital straight-bar direct-reading roof separation instrument comprises sensor network nodes and a wireless base station. Each sensor network node is composed of a base point anchor head, measuring ropes, a vertical measuring tube, a segmented capacitance-type displacement sensor, a processor and a direct-reading monitor. A networking protocol is the ZigBee protocol, a network structure is a self-organizing and self-healing overlay tree structure, a tree structure is adopted for the whole network structure, and the sensor network nodes are in communication with the closely-adjacent sensor network nodes only; a grid structure is adopted for part of the network structure, the sensor network nodes are in communication with the secondarily-adjacent sensor network nodes only, and the communication distance between the sensor network nodes is smaller than 100m. According to the network digital straight-bar direct-reading roof separation instrument, network digital straight-bar direct-reading monitoring on roof separation of an underground roadway of a mine through a wireless sensor network is achieved, observation and measurement are convenient to carry out, automatic monitoring and real-time data transmission are achieved, and safety management levels are improved.
Description
Technical field
The invention belongs to coal measure strata mine underworkings roof delamination monitoring technical field, be specifically related to a kind of networking numeral straight-bar direct-reading roof delamination instrument.
Background technology
The used digital roof delamination instrument of present domestic coal measure strata mine underworkings is mainly digital straight-bar direct-reading, mainstream product mainly contains four kinds, is respectively GUD-240 type surrounding rock separation layer sensor, GYW300 surrounding rock displacement analyzer, YHW150 type top board displacement monitor and pattern displacement monitoring system etc.
1) GUD-240 type surrounding rock separation layer sensor.This product adopts infrared transmission mode and handheld terminal swap data, and after handheld terminal was gathered the data of each absciss layer instrument respectively, again with the computer swap data, data were analyzed in storage on computers.This product can't networking, does not possess data longer-term storage and analytic function on absciss layer instrument and the collector.
2) GYW300 surrounding rock displacement analyzer and be the KJ216 mine roof monitoring system that core constitutes with GYW300.This product adopts absciss layer instrument and display unit separated structures, and absciss layer instrument and display unit adopt the infrared communication mode to get in touch with.In addition, this absciss layer instrument has disposed collector, can gather the data of each absciss layer instrument one by one.This absciss layer instrument adopts networking to need to increase the intrinsic safety base station, the intrinsic safety base station is responsible for one and is surveyed the functional subsystem data acquisition in district and communication, communication distance is less than 3m, the slave computer of intrinsic safety base station is monitoring base station or integrated monitoring sensor, the next bus adopts the RS485 bus, but 64 websites of the next bus maximum load (intrinsic safety type base station or sensor).The mode that this product has adopted measurement, demonstration to separate, each survey station all needs mount display, and cost is higher.The product networking needs by communication base station, forms cable network, cost height, complex structure.
3) YHW150 type top board displacement monitor.This product adopts measurement and shows the structure that is separated, but display unit is connected by cable with measure portion.The same with GYW300 surrounding rock displacement analyzer, each survey station of this product all needs mount display, and cost is higher.
4) pattern displacement monitoring system.This system mainly is made up of GDL series raster pattern roof delamination displacement transducer, timesharing logic control machine and roof delamination base station etc.This product certainty of measurement is higher, but the cost height, the networking complexity, in addition, the grating chi not too is fit to coal measure strata mine underworkings environment.This product has only bibliographical information at present, and industrialization product is not arranged as yet.
Existing these 4 kinds digital roof delamination instrument are concluded summary, and its subject matter is: 1) cost height; 2) networking inconvenience not too is fit to the mine underworkings and installs; 3) data can't be preserved in a large number, do not possess data analysis function; 4) sensor is mainly grating chi, photoelectric coding and resistance-type, exists defectives such as cost height or precision are low.
Summary of the invention
The object of the invention is intended to overcome above-mentioned shortcoming, provide a kind of observe measure convenient, data are true and reliable and can monitor automatically and the networking numeral straight-bar direct-reading roof delamination instrument of real-time transmission data.
For achieving the above object, the present invention adopts following solution: a kind of networking numeral straight-bar direct-reading roof delamination instrument, comprise sensor network nodes and wireless base station, it is characterized in that: sensor network nodes is made up of basic point anchor head, lining rope, vertical tube, segmented capacitance displacement sensor, processor and the direct-reading monitor surveyed; The networking agreement is the ZigBee agreement, network structure is self-organizing, self-healing property overlay tree structure, the whole tree structure that adopts of network structure, sensor network nodes only with next-door neighbour the sensor network nodes communication, the local network that adopts, sensor network nodes only with inferior next-door neighbour's sensor network nodes communication, the communication distance between the sensor network nodes is less than 100m.
Above-mentioned networking numeral straight-bar direct-reading roof delamination instrument, it is characterized in that: the light-dependent control element of described processor is photodiode, and mine lamp triggers, and the demonstration time is 60s; The display element of direct-reading monitor is 1 cun LED charactron.
Above-mentioned networking numeral straight-bar direct-reading roof delamination instrument, it is characterized in that: the operating voltage of described wireless base station is 127-400V, but the maximum of management of sensor network node adds up to 256, time data memory was greater than 12 months, interactive mode is for showing 5 cun very color LCD, 4 line resistance touch screens, the outage working time, communication interface was ZigBee, RS485, Ethernet and USB mouth greater than 2 hours.
Operating principle of the present invention and process are: the basic point anchor head in the sensor node, lining rope and vertical survey tube are formed dark basic point and shallow foundation point strata displacement analogue measurement device, strata displacement in outside the anchorage zone and the anchorage zone is measured, obtain the strata displacement analog signal; Sectional capacitance formula displacement transducer in the sensor node, processor and direct-reading monitor are formed strata displacement collection of simulant signal, processing and numeric display unit, the strata displacement analog signal is gathered, be the strata displacement data signal with the analog signal conversion that collects, by processor dark basic point and shallow foundation point strata displacement data signal are carried out the difference processing, the dark basic point that obtains and the difference of shallow foundation point strata displacement are as the roof strata displacement, and the line output of going forward side by side shows; The wireless base station carries out wireless transmission to strata displacement difference data signal, and the networking agreement is the ZigBee agreement, and network structure is self-organizing, self-healing property overlay tree structure, the whole tree structure that adopts, the local network that adopts.
Compared with prior art, the present invention has following advantage:
1, the present invention is a kind of networking numeral straight-bar direct-reading roof delamination instrument of coal measure strata mine underworkings roof delamination monitoring, this invention is to be the networking agreement with the ZigBee agreement, be network structure with self-organizing, self-healing property overlay tree structure, realized that wireless sensor network carries out networking numeral straight-bar direct-reading monitoring to mine underworkings roof delamination, and under the situation that guarantees communication efficiency, improved the reliability of communication.
2, the present invention has adopted the segmented capacitance displacement sensor, both can independently use, and also can be used as the wireless sensor network circuit node.During independent the use, this absciss layer instrument adopts light-operated Display Technique, the energy low consumption when guaranteeing powered battery.As the wireless sensor network circuit node time, this absciss layer instrument is except the function with sensor, or the full-function device (FFD node) with router feature, can transmit the data of its adjacent two wireless sensor network circuit nodes.
3, wireless base station of the present invention has functions such as data storage, protocol conversion, historical data are checked, the correlation analysis of absciss layer data space, time correlation analysis.Get final product independent management equipment as this absciss layer instrument, the data of be used for record, checking each unit, observe and measure conveniently, also can be used as bridge sends into the absciss layer data in the whole automated network, play the effect of automatic monitoring and real-time transmission data, be convenient to centralized and unified management, improve the safety management level.When not possessing the down-hole Ethernet, this base station can also back up data in the portable hard drive by USB interface, carries out data sharing by portable hard drive then;
4, a kind of networking of the present invention numeral straight-bar direct-reading roof delamination instrument, be widely used in roadway supported by bolt ore deposit, coal measure strata mine down-hole and press monitoring, and aspects such as monitoring are pressed in the chamber ore deposit, tunnel of large-scale structure such as tunnel, mine working, underground power station and oil-gas depot or building.
Description of drawings
Fig. 1 is the structural representation of sensor network nodes of the present invention.
Fig. 2 is schematic network structure of the present invention.
Among the figure: 1-sensor network nodes, 2-wireless base station, 3-tree structure
4-network, 5-basic point anchor head, the 6-lining rope 7-vertical tube of surveying
8-segmented digital capacitance displacement transducer, 9-processor, 10-direct-reading monitor.
The specific embodiment
The present invention is described in further detail below in conjunction with drawings and Examples.
Embodiment 1: Certain ore deposit 3
#Coal seam 3101 work plane air return way buried depths are about 240m, and drift section is wide to be 5.2m, and height is 4.2m, and long is 1.0km.This crossheading top board is carbonaceous mud stone and siltstone, little structure development in the crossheading, and the country rock soft broken, the roadway surrounding rock less stable is the unstable country rock of IV class.
In this tunnel, arrange digital straight-bar direct-reading roof delamination instrument, as shown in Figure 1 and Figure 2,
Present embodiment comprises sensor network nodes 1 and wireless base station 2, sensor network nodes 1 is made up of basic point anchor head 5, lining rope 6, vertical tube 7, segmented digital capacitance displacement transducer 8, processor 9 and the direct-reading monitor 10 etc. surveyed, wherein, the light-dependent control element of processor 9 is photodiode, mine lamp triggers, the demonstration time is 60s, and the display element of direct-reading monitor 10 is 1 cun LED charactron; The operating voltage of wireless base station 2 is 127V, but administering digital straight-bar directly reading type radio sensor network nodes 1 add up to 20, wireless base station 2 is 2, time data memory was greater than 12 months, interactive mode is for showing 5 cun very color LCD, 4 line resistance touch screens, the outage working time, interface was ZigBee greater than 2 hours; The networking agreement is the ZigBee agreement, network structure is self-organizing, self-healing property overlay tree structure, the whole tree structure 3 that adopts of this network structure, sensor network nodes 1 only with next-door neighbour sensor network nodes 1 communication, the local network 4 that adopts, sensor network nodes 1 only with inferior next-door neighbour's sensor network nodes 1 communication, the communication distance between the sensor network nodes 1 is 50m.
This crossheading roof delamination direct-reading value according to direct-reading monitor 10 and wireless base station 2 demonstrations is carried out crossheading roof rock delamination monitoring, monitoring time is 2 months, actual monitoring is respond well, and direct-reading monitor 10 and wireless base station 2 show that simultaneously there are 2 places, position of absciss layer the rock stratum in anchor rod anchored scope; 3 places, position that absciss layer is arranged outside anchor rod anchored scope.
Embodiment 2: Certain ore deposit 3
#The first mining face buried depth in coal seam is about 100m, and top board is more complete, and roadway surrounding rock is stablized country rock for the II class.In this tunnel, arrange digital straight-bar direct-reading roof delamination instrument, numeral straight-bar directly reading type radio sensor network nodes 1 adds up to 22, the operating voltage of wireless base station 2 is 127V, 2 of base stations, monitoring time is 8 months, actual monitoring is respond well, direct-reading monitor 10 and the equal no change of wireless base station 2 show values, and namely the rock stratum at this 22 place does not all have absciss layer inside and outside anchor rod anchored scope.Other is with embodiment 1.
Embodiment 3: Certain ore deposit 3
#Coal seam 3104 work planes are the isolated island work plane, and roadway surrounding rock is the unstable country rock of V class, and top board is broken.In this work plane, arrange digital straight-bar direct-reading roof delamination instrument, communication distance between the numeral straight-bar direct-reading roof delamination instrument sensor network nodes 1 is 20m, wireless sensor network node 1 adds up to 9, the operating voltage of wireless base station 2 is 380V, the base station is 2, and monitoring time is 12 months, and actual monitoring is respond well, there are 3 places, position of absciss layer at 4 places, position that absciss layer is arranged in anchor rod anchored scope outside anchor rod anchored scope.Other is with embodiment 1.
Claims (3)
1. networking numeral straight-bar direct-reading roof delamination instrument, comprise sensor network nodes and wireless base station, it is characterized in that: sensor network nodes is made up of basic point anchor head, lining rope, vertical tube, segmented capacitance displacement sensor, processor and the direct-reading monitor surveyed; The networking agreement is the ZigBee agreement, network structure is self-organizing, self-healing property overlay tree structure, the whole tree structure that adopts of network structure, sensor network nodes only with next-door neighbour the sensor network nodes communication, the local network that adopts, sensor network nodes only with inferior next-door neighbour's sensor network nodes communication, the communication distance between the sensor network nodes is less than 100m.
2. networking according to claim 1 numeral straight-bar direct-reading roof delamination instrument, it is characterized in that: the light-dependent control element of described processor is photodiode, and mine lamp triggers, and the demonstration time is 60s; The display element of direct-reading monitor is 1 cun LED charactron.
3. networking according to claim 1 numeral straight-bar direct-reading roof delamination instrument, it is characterized in that: the operating voltage of described wireless base station is 127-400V, but the maximum of management of sensor network node adds up to 256, time data memory was greater than 12 months, interactive mode is for showing 5 cun very color LCD, 4 line resistance touch screens, the outage working time, communication interface was ZigBee, RS485, Ethernet and USB mouth greater than 2 hours.
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| CN201310193109.7A CN103266919B (en) | 2013-05-23 | 2013-05-23 | A kind of networking numeral straight-bar direct-reading roof separation indicator |
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Citations (8)
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| SE514991C2 (en) * | 1995-07-20 | 2001-05-28 | Telia Ab | Coded connection measuring method which incorporates multiple channels |
| WO2003034044A2 (en) * | 2001-10-19 | 2003-04-24 | Biocal Technology, Inc. | Multi-color multiplexed analysis in a bio-separation system |
| CN201210043Y (en) * | 2008-06-17 | 2009-03-18 | 泰安市国华科技机电设备有限公司 | Top board displacement monitor for mining |
| CN201628537U (en) * | 2010-03-05 | 2010-11-10 | 山东科大中天电子有限公司 | Top plate displacement monitoring instrument |
| CN201696091U (en) * | 2010-03-05 | 2011-01-05 | 山东科大中天电子有限公司 | Mine ground pressure displacement monitoring system |
| CN202119386U (en) * | 2011-04-24 | 2012-01-18 | 山东大成电气有限公司 | Intelligent top plate displacement transducer |
| CN202560326U (en) * | 2012-05-17 | 2012-11-28 | 解波 | Coal roadway top plate integrated monitoring system based on Meter-Bus (M-BUS) |
| CN203335128U (en) * | 2013-05-23 | 2013-12-11 | 山西煤炭运销集团有限公司 | Network digital straight rod direct-reading roof separation instrument |
-
2013
- 2013-05-23 CN CN201310193109.7A patent/CN103266919B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE514991C2 (en) * | 1995-07-20 | 2001-05-28 | Telia Ab | Coded connection measuring method which incorporates multiple channels |
| WO2003034044A2 (en) * | 2001-10-19 | 2003-04-24 | Biocal Technology, Inc. | Multi-color multiplexed analysis in a bio-separation system |
| CN201210043Y (en) * | 2008-06-17 | 2009-03-18 | 泰安市国华科技机电设备有限公司 | Top board displacement monitor for mining |
| CN201628537U (en) * | 2010-03-05 | 2010-11-10 | 山东科大中天电子有限公司 | Top plate displacement monitoring instrument |
| CN201696091U (en) * | 2010-03-05 | 2011-01-05 | 山东科大中天电子有限公司 | Mine ground pressure displacement monitoring system |
| CN202119386U (en) * | 2011-04-24 | 2012-01-18 | 山东大成电气有限公司 | Intelligent top plate displacement transducer |
| CN202560326U (en) * | 2012-05-17 | 2012-11-28 | 解波 | Coal roadway top plate integrated monitoring system based on Meter-Bus (M-BUS) |
| CN203335128U (en) * | 2013-05-23 | 2013-12-11 | 山西煤炭运销集团有限公司 | Network digital straight rod direct-reading roof separation instrument |
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