CN201826896U - Surface mine multilayer gob stability monitoring and warning device - Google Patents
Surface mine multilayer gob stability monitoring and warning device Download PDFInfo
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- CN201826896U CN201826896U CN2010205548359U CN201020554835U CN201826896U CN 201826896 U CN201826896 U CN 201826896U CN 2010205548359 U CN2010205548359 U CN 2010205548359U CN 201020554835 U CN201020554835 U CN 201020554835U CN 201826896 U CN201826896 U CN 201826896U
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Abstract
The utility model relates to a mine multilayer gob monitoring and warning device, in particular to a surface mine multilayer gob stability monitoring warning device. An accumulator data acquirer (4) is an accumulator-powered data acquirer, and connected with a sensing probe (4) through a data line (10), the data acquirer is provided with a signal transmitting unit (5), and a signal receiving unit (7) is arranged on a signal converter (6) communicated with a computer database (8). By utilizing the characteristic that low-frequency wave is smaller in attenuation and far in transmission distance in rock, and by the aid of the low-frequency high-sensibility sensor and corresponding signal acquisition, transmission, conversion, transmitting and receiving techniques, signal receiving capacities of apparatuses are increased, effective monitoring area is widened, and acoustic emission activities at farther or more fractured areas on the periphery of a gob can be monitored effectively.
Description
[technical field]
The utility model relates to multilayer goaf, a kind of mine monitoring and warning device, especially relates to a kind of surface mine multilayer goaf STABILITY MONITORING prior-warning device.
[background technology]
Known, in ore extraction, change, early warning for the goaf are extremely important, with our Luoyang Luanchuan Molybdenum Industry Group Co., Ltd. is example: mine company of Luoyang Luanchuan Molybdenum Industry Group Co., Ltd. is engaged in the opencast modernized large-scale mine of molybdenum tungsten enterprise, and existing production capacity is 30000t/d.Investigation goaf total measurement (volume) 1817.2 ten thousand m in 2005 in the administrative area
3The goaf mainly is distributed between the 1160-1364m, along with production development, the increasing step of producing closes on the goaf, and the goaf is subjected to effects such as deadweight, weathering and blasting vibration for many years, the rock stratum steadiness descends, along with opencut closes on the goaf, ground pressure activity in the mining area is violent more and frequent, ftracture, be out of shape and cave in and may take place at any time at the end, open-air hole, they constitute a serious threat to opencut safety in production system and influence, and major hidden danger just occurred in the ordinary production and the safe working of our unit's San Dao village opencut.
What former our company adopted is the YSSC acoustic emission in rock body monitor of Wuhan safety and environmental protection institute exploitation; The YSSC acoustic emission in rock body monitor back of coming into operation provides foundation for corporate security production, successfully predicts some goaf top plates accident of subsiding, and has avoided personnel casualty accidents and has reduced property loss.But because the artificial on-site monitoring of this appliance requires, so can not carry out continuous monitoring, thus miss dangerous area and dangerous periods easily, there is certain blindness.And personnel enter on-the-spot deathtrap, also bad assurance on the safety.
[summary of the invention]
In order to realize described goal of the invention, the utility model discloses a kind of surface mine multilayer goaf STABILITY MONITORING prior-warning device, described surface mine multilayer goaf STABILITY MONITORING prior-warning device utilize low frequency wave in rock mass decling phase to less, the characteristic that propagation distance is far away, high sensor and corresponding signals collecting by low frequency, transmission, conversion, emission and reception technique, improve the signal reception of instrument, enlarge effective monitored area, periphery acoustic emission activity far away or broken zone in dead zone is all effectively monitored, control and management software configuration industrial computer, realize the automatic reception of monitored data, the abnormal data early warning, Data Management Analysis, result's output, the data maintenance management, the monitoring system of formation multichannel high-sensitive degree.
For achieving the above object, the utility model adopts following technical scheme:
A kind of surface mine multilayer goaf STABILITY MONITORING prior-warning device comprises the signal acquiring system that is used to gather, send signal; Be used to receive, the treatment system of conversion, analytic signal; The described signal acquiring system that is used to gather, send signal comprises sensing probe, data wire, battery data collecting instrument, signal transmitter unit, described battery data collecting instrument is a battery self-powered formula data collecting instrument, described data collecting instrument connects sensing probe by data wire, is provided with the signal acquiring system that the signal transmitter unit forms complete collection, sends signal on data collecting instrument; Describedly be used to receive, the treatment system of conversion, analytic signal comprises signal receiving unit, signal conversion device and Computer Database, described signal receiving unit is arranged on the signal conversion device, and signal conversion device UNICOM Computer Database forms the treatment system of complete reception, conversion, analytic signal.
Described surface mine multilayer goaf STABILITY MONITORING prior-warning device, described sensing probe are flush type water proof type low frequency sensing probe.
Described surface mine multilayer goaf STABILITY MONITORING prior-warning device is provided with preamplifier in the bottom of flush type water proof type low frequency sensing probe.
Owing to adopted technique scheme, the utlity model has following beneficial effect:
Surface mine multilayer described in the utility model goaf STABILITY MONITORING prior-warning device is that existing sensing probe and reception thereof, processing mode are improved, and enlarges monitoring range, realizes monitoring radius 30-50 rice; According to the low frequency characteristics, carry out preposition amplification, collection, transmission, be provided with the plumbous electric power storage battery of 12v at data collecting instrument, but stable power-supplying 5-7 days, wireless transmit is apart from 1.0-1.5km; Adopt system optimization design and impedance match technique resolution system anti-interference problem; Multi-channel intelligent control and passage extensibility; Work out corresponding Single-chip Controlling software, and with existing wireless monitor system control software, realize that data in real time is monitored automatically, processing, mass data preserve.
After the utility model comes into operation, can carry out continuous monitoring to the goaf, provide reliable judgement to the stability of dead zone, handling for the dead zone provides safe early warning, for the safety in production of dead zone after handling provides guidance.
[description of drawings]
Fig. 1 is a schematic diagram of the present utility model;
Among the figure: 1, dead zone; 2, sensing probe; 3, detection radius; 4, battery data collecting instrument; 5, signal transmitter unit; 6, signal conversion device; 7, signal receiving unit; 8, Computer Database; 9, the face of land; 10, data wire.
[specific embodiment]
Can explain the utility model in more detail by the following examples, the utility model is not limited to the following examples, and open the purpose of this utility model is intended to protect all changes and improvements in the utility model scope;
Surface mine multilayer goaf STABILITY MONITORING prior-warning device described in 1 comprises the signal acquiring system that is used to gather, send signal in conjunction with the accompanying drawings; Be used to receive, the treatment system of conversion, analytic signal; The described signal acquiring system that is used to gather, send signal comprises sensing probe 2, data wire 10, battery data collecting instrument 4, signal transmitter unit 5, described battery data collecting instrument 4 is a battery self-powered formula data collecting instrument, described data collecting instrument connects sensing probe 2 by data wire 10, is provided with the signal acquiring system that signal transmitter unit 5 forms complete collection, sends signal on data collecting instrument; Describedly be used to receive, the treatment system of conversion, analytic signal comprises signal receiving unit 7, signal conversion device 6 and Computer Database 8, described signal receiving unit 7 is arranged on the signal conversion device 6, and signal conversion device 6 UNICOM's Computer Databases 8 form the treatment system of complete reception, conversion, analytic signal; Described sensing probe 2 is a flush type water proof type low frequency sensing probe 2; Bottom at flush type water proof type low frequency sensing probe 2 is provided with preamplifier.
Implement surface mine multilayer described in the utility model goaf STABILITY MONITORING prior-warning device, territory, mining area in the open in 1 in conjunction with the accompanying drawings, according to original mining data, 1 hazardous location is pressed 40X40 and is laid the D140mm exploration hole in the dead zone, sensing probe 2 is imbedded in the hole, use cement seal, combined together in itself and the hole wall on every side or the face of land 9.Sensing probe 2 just can be collected the 30-50 rice scope rock failure mechanism of rock sound wave of detection radius 3 on every side like this, and be transferred in the 9 battery data collecting instruments 4 of the face of land by cable data line 10 with the form of the signal of telecommunication, battery data collecting instrument 4 and signal transmitter unit 5 are outwards launched signal in wireless mode, emission radius 1.0-1.5km.The signal receiving unit 7 of Control Room receives signal by the form entering computer database 8 of signal conversion device 6 with data signal, and analysis software is handled and reflected intuitively data, the line data of going forward side by side storage.
Each monitor the hole position, voltage, temperature, press movable energy rate, total incident, major issue, per minute receives the number of data, the abnormal data early warning, whether normal received signal can both show on software.
After the utility model comes into operation, the monitoring personnel only need arrive the on-the-spot installation work in early stage and later replacing power supply, the dismantlement work of carrying out, this has also guaranteed field technician's self safety to a great extent, reduce labour intensity, improved monitoring frequency, realize whole day uninterrupted continuous monitoring in 24 hours, system grasps ground pressure active situation, can monitor 20--25 monitoring point simultaneously comprehensively, and data can directly be stored, and are convenient to analysis management.
The utility model does not describe part in detail and is prior art.
Claims (3)
1. a surface mine multilayer goaf STABILITY MONITORING prior-warning device comprises the signal acquiring system that is used to gather, send signal; Be used to receive, the treatment system of conversion, analytic signal, it is characterized in that: the described signal acquiring system that is used to gather, send signal comprises sensing probe (2), data wire (10), battery data collecting instrument (4), signal transmitter unit (5), described battery data collecting instrument (4) is a battery self-powered formula data collecting instrument, described data collecting instrument connects sensing probe (2) by data wire (10), is provided with the signal acquiring system that signal transmitter unit (5) forms complete collection, sends signal on data collecting instrument; Describedly be used to receive, the treatment system of conversion, analytic signal comprises signal receiving unit (7), signal conversion device (6) and Computer Database (8), described signal receiving unit (7) is arranged on the signal conversion device (6), and signal conversion device (6) UNICOM's Computer Database (8) forms the treatment system of complete reception, conversion, analytic signal.
2. surface mine multilayer according to claim 1 goaf STABILITY MONITORING prior-warning device is characterized in that: described sensing probe (2) is a flush type water proof type low frequency sensing probe (2).
3. surface mine multilayer according to claim 2 goaf STABILITY MONITORING prior-warning device, it is characterized in that: the bottom at flush type water proof type low frequency sensing probe (2) is provided with preamplifier.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205548359U CN201826896U (en) | 2010-09-30 | 2010-09-30 | Surface mine multilayer gob stability monitoring and warning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205548359U CN201826896U (en) | 2010-09-30 | 2010-09-30 | Surface mine multilayer gob stability monitoring and warning device |
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| Publication Number | Publication Date |
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| CN201826896U true CN201826896U (en) | 2011-05-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2010205548359U Expired - Lifetime CN201826896U (en) | 2010-09-30 | 2010-09-30 | Surface mine multilayer gob stability monitoring and warning device |
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| CN (1) | CN201826896U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105952455A (en) * | 2016-04-29 | 2016-09-21 | 洛阳栾川钼业集团股份有限公司 | Safety assessing method after strip mine caving process processing of complicated cavity |
| CN110967466A (en) * | 2019-11-13 | 2020-04-07 | 鞍钢集团矿业有限公司 | Method for evaluating stability of goaf of stope |
-
2010
- 2010-09-30 CN CN2010205548359U patent/CN201826896U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105952455A (en) * | 2016-04-29 | 2016-09-21 | 洛阳栾川钼业集团股份有限公司 | Safety assessing method after strip mine caving process processing of complicated cavity |
| CN110967466A (en) * | 2019-11-13 | 2020-04-07 | 鞍钢集团矿业有限公司 | Method for evaluating stability of goaf of stope |
| CN110967466B (en) * | 2019-11-13 | 2022-05-17 | 鞍钢集团矿业有限公司 | Method for evaluating stability of goaf of stope |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110511 |
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| CX01 | Expiry of patent term |