CN103984026A - Micro-vibration wave shape automatic labeling system - Google Patents
Micro-vibration wave shape automatic labeling system Download PDFInfo
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- CN103984026A CN103984026A CN201410235885.3A CN201410235885A CN103984026A CN 103984026 A CN103984026 A CN 103984026A CN 201410235885 A CN201410235885 A CN 201410235885A CN 103984026 A CN103984026 A CN 103984026A
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Abstract
The invention discloses a micro vibration test device used for mine, and particularly relates to a micro-vibration wave shape automatic labeling system; the micro-vibration wave shape automatic labeling system is capable of automatically labeling a micro-vibration elastic wave shape, efficiency and accuracy are higher, and the problem of shock mine pressing can be effectively monitored; the system comprises multiple sets of wave detection devices, an exchange unit and a collection and analysis host, each wave detection device comprises a collection substation used for mine and a plurality of wave detector, each wave detector is fixedly arranged on down-well rock mass, used for detecting micro-vibration elastic wave information, and sends the micro-vibration elastic wave information to the collection substation used for mine, the collection substation used for mine is used for collecting the micro-vibration elastic wave information and sending the micro-vibration elastic wave information to the collection and analysis host through the exchange unit, and the collection and analysis host is used for automatically labeling, analyzing and storing the micro-vibration elastic wave information; the exchange unit comprises down-well exchangers, up-well exchangers and master exchangers, the down-well exchangers are multiple in number, and connected with the up-well exchangers in a wired and hoop circuit mode, and the up-well exchangers are connected with the master exchangers in a wired mode.
Description
Technical field
The present invention relates to mining microseismic detection equipment technical field, particularly relate to a kind of microseism waveform automatic marking system.
Background technology
Impulsion pressure is one of coal rock dynamic disaster phenomenon of serious threat mine safety production, and Germany, South Africa, USSR (Union of Soviet Socialist Republics), the U.S., Poland, Japan and China etc. in the world main mining country overbump ore deposit all occurs press; Impulsion pressure with its suddenly, sharply, fierce destructive characteristics gently forms and has a strong impact on the normal production in colliery, metalliferous mine, tunnel etc., heavy cause huge economic loss and casualties.Along with the increase of well industrial and mineral well mining depth, the danger of impulsion pressure is also progressively increasing; The feature that impulsion pressure occurs in colliery is: 1) emergentness, and main manifestations is there is no manifest signs before impulsion pressure occurs; 2) instantaneity, main manifestations is that generating process is very of short duration, general persistence is in 10 seconds; 3) destructiveness, shows as the combination mutually such as Coal Seam, top board impact, base plate impact, and wall caving and coal are dished out, and roof break sinking, pucking, destruction roadway support cause casualties.
In coal mining activity or while having the formation damage events such as crack, the moment of rock mass breaks and can excite elastic wave, these elastic waves are being carried the information of focus, relying on rock mass elastic medium propagates to surrounding, if can develop a kind of equipment or system, utilize shock sensor to measure a long way off these elastic wave signals, and determine according to monitored microseismic signals feature the time of origin breaking, locus, yardstick, intensity and character, can realize so prevention and the monitoring that press in impact ore deposit, yet not only in prior art, lack such monitoring system, in observation process, a step of outbalance is the mark to microseism elastic wave waveform simultaneously, moment microseism being occurred is carried out mark, in prior art, conventionally adopt the mode of the manual mobile scale of people to mark, not only efficiency is lower, accuracy is simultaneously poor.
Summary of the invention
For solving the problems of the technologies described above, the invention provides and a kind ofly can carry out automatic marking to microseism elastic wave waveform, efficiency and accuracy are higher, microseism waveform automatic marking system that can effective monitoring impulsion pressure problem.
Microseism waveform automatic marking system of the present invention, comprise many group detector arrangements, group of switches and collection analysis main frame, described detector arrangement comprise mining collection substation and with a plurality of wave detectors of mining collection substation wired connection, wherein, described wave detector is fixedly installed on the rock mass of down-hole, be used for monitoring microseism elastic wave information, and described microseism elastic wave information is sent to mining collection substation, described mining collection substation is used for collecting described microseism elastic wave information and is forwarded to described collection analysis main frame by group of switches, described collection analysis main frame is for automatic marking, analyze and store described microseism elastic wave information, described group of switches comprises down-hole switch, aboveground switch and host exchange, described down-hole switch be a plurality of and with described aboveground switch with loop fashion wired connection, described aboveground switch and described host exchange are by wired connection, and described down-hole switch is connected with collection analysis main frame with mining collection substation respectively with host exchange.
Further, also comprise server, described server is connected with described collection analysis main frame, and described server is used for storing described microseism elastic wave information.
Further, described collection analysis main frame comprises collection main frame and analyzes main frame, described collection main frame is for collecting and forward described microseism elastic wave information, described analysis main frame is used for automatic marking, analyzes described microseism elastic wave information, and described collection main frame is connected with described server and described collection main frame is sent to described server by described microseism elastic wave information.
Further, described wave detector is connected with described mining collection substation by mine cable, and described mine cable is mining communication shielded twisted-pair cable.
Further, described down-hole switch and aboveground switch are connected to loop by optical cable, and described aboveground switch is connected by optical fiber with described host exchange, and described down-hole switch is connected by optical fiber with mining collection substation.
Compared with prior art beneficial effect of the present invention is: comprise many group detector arrangements, group of switches and collection analysis main frame, detector arrangement comprise mining collection substation and with a plurality of wave detectors of mining collection substation wired connection, wherein, wave detector is fixedly installed on the rock mass of down-hole, be used for monitoring microseism elastic wave information, and microseism elastic wave information is sent to mining collection substation, mining collection substation is used for collecting microseism elastic wave information and is forwarded to collection analysis main frame by group of switches, collection analysis main frame is for automatic marking, analyze and storage microseism elastic wave information, group of switches comprises down-hole switch, aboveground switch and host exchange, down-hole switch be a plurality of and with aboveground switch with loop fashion wired connection, aboveground switch and host exchange are by wired connection, and down-hole switch is connected with collection analysis main frame with mining collection substation respectively with host exchange, because employing spreads over the wave detector on rock mass, the common location of multiple spot and analysis microseism elastic wave information, can analyze comparatively exactly the situation of microseism, in the mode of loop, transmit microseism elastic wave information data simultaneously, effectively guaranteed the stability connecting, even in loop there is lost contact in somewhere, the stable data that transmit of mode that also can connect with single line.
Accompanying drawing explanation
Fig. 1 is structured flowchart of the present invention;
Fig. 2 is the process flow diagram of automatic marking process in the present invention.
Embodiment
Below in conjunction with drawings and Examples, the specific embodiment of the present invention is described in further detail.Following examples are used for illustrating the present invention, but are not used for limiting the scope of the invention.
As shown in Figure 1, microseism waveform automatic marking system of the present invention, comprise many group detector arrangements, group of switches and collection analysis main frame, detector arrangement comprise mining collection substation 1 and with a plurality of wave detectors 2 of mining collection substation wired connection, wherein, wave detector 2 is fixedly installed on the rock mass of down-hole, be used for monitoring microseism elastic wave information, and microseism elastic wave information is sent to mining collection substation 1, mining collection substation 1 is for collecting microseism elastic wave information and being forwarded to collection analysis main frame by group of switches, collection analysis main frame is for automatic marking, analyze and storage microseism elastic wave information, group of switches comprises down-hole switch 3, aboveground switch 4 and host exchange 5, down-hole switch 3 be a plurality of and with aboveground switch 4 with loop fashion wired connection, aboveground switch 4 is with host exchange 5 by wired connection, and down-hole switch 3 is connected with collection analysis main frame with mining collection substation respectively with host exchange 5, microseism waveform automatic marking system of the present invention, also comprises server 6, and server is connected with collection analysis main frame, and server is used for storing microseism elastic wave information, collection analysis main frame comprises collection main frame 8 and analyzes main frame 7, gather main frame 8 for collecting and forward microseism elastic wave information, analyze main frame 7 for automatic marking, analysis microseism elastic wave information, collection main frame 8 is connected with server 6 and gathers main frame microseism elastic wave information is sent to server, wave detector 2 is connected with mining collection substation 1 by mine cable, and mine cable is mining communication shielded twisted-pair cable, down-hole switch 3 is connected to loop with aboveground switch 4 by optical cable, and aboveground switch is connected by optical fiber with host exchange, and down-hole switch is connected by optical fiber with mining collection substation.Because employing spreads over the wave detector on rock mass, the common location of multiple spot and analysis microseism elastic wave information, can analyze comparatively exactly the situation of microseism, in the mode of loop, transmit microseism elastic wave information data simultaneously, effectively guaranteed the stability connecting, even in loop there is lost contact in somewhere, the stable data that transmit of mode that also can connect with single line.
Wherein, the multi-channel data of analyzing main frame and wave detector acquisition cooperatively interacts, and for the automatic marking process of microseism elastic wave information, as shown in Figure 2, detailed process is as follows:
1) the microseism elastic wave information that each wave detector obtains is a passage, and full tunnel shape information is obtained in monitoring, and the information of each passage is calibrated;
2) analyze main frame according to the setting of recognizer and correlation parameter, channel information after calibration is carried out to shock event identification, when event occurs and the number of event is greater than default smallest passage and counts, can carry out next step computing, and record the Position Approximate of the event origination point of each passage, otherwise can select to carry out manual computing;
3) travel through the event occurrence positions of each passage, recognizing site to each passage is expanded accordingly, and the event origination point of this passage is located accurately than the setting of algorithm and correlation parameter according to Dual-window average, export the final position of rule of every passage.
4) change the position of rule in former channel information, and be presented on interface, finally complete scale automatic marking.
In above-mentioned automatic marking process, as shown in Figure 2, mainly use recognizer and Dual-window average than two kinds of algorithms:
Wherein, recognizer is mainly used in event recognition, and the present invention adopts this algorithm in order to dwindle the scope of having found shake point, and detailed process is as follows:
1) determine the correlation parameter of recognizer: length W, threshold value M, the identification smallest passage of imputation method window are counted N, and wherein W value is for judging the length of data intercept section, and W is less, and computational accuracy is higher, and complexity is higher; W is larger, and computation complexity is lower, and arithmetic speed is very fast, but degree of accuracy is low; M value, conventionally rule of thumb definition;
2) according to W data intercept window, establish W=100, window A is numerical value
, window B is numerical value
;
3) according to window A and window B, obtain two groups of sequence of values:
with
, these two groups of sequences to be done to related function and calculate, computing formula is
Like this, obtain a correlation function value;
4) window A and window B are slided backward to one or numerical digit, intercept two groups of new numerical value sections and calculate again new correlation function value, and the intercepting group of windows of constantly sliding by that analogy, finally calculate one group of related function value sequence;
5) judge in result of calculation sequence and whether have numerical value to be greater than default vibrations feature threshold values M, having identification to work as prepass is shock event passage;
6) when the port number of shock event occurring be greater than identification smallest passage and count N, can carry out next step automatic marking computing.
Wherein, Dual-window average, than algorithm, is on the postrun basis of recognizer (result that scope is dwindled), further finds the exact position of having found shake point, and detailed process is as follows:
1) determine the correlation parameter of algorithm: length of window W, threshold value M;
2) determine a certain location point X, front W the point that makes X is window A, and rear W the point of X is window B;
3) in judgement window B institute a little with the size of M, if certain any value is greater than M value, by the value of this point of M value replacement, and calculating a little with
; Use the same method
Calculation window A a little and
.Then calculate the average ratio of B window and A window
The position of mobile X, recalculates this ratio, finally obtains one group of sequence of ratio values;
4) travel through in this sequence maximum value, and reduce corresponding X point position.
The above is only the preferred embodiment of the present invention; should be understood that; for those skilled in the art; do not departing under the prerequisite of the technology of the present invention principle; can also make some improvement and modification; these improvement and modification, these improve and modification also should be considered as protection scope of the present invention.
Claims (5)
1. a microseism waveform automatic marking system, it is characterized in that, comprise many group detector arrangements, group of switches and collection analysis main frame, described detector arrangement comprise mining collection substation and with a plurality of wave detectors of mining collection substation wired connection, wherein, described wave detector is fixedly installed on the rock mass of down-hole, be used for monitoring microseism elastic wave information, and described microseism elastic wave information is sent to mining collection substation, described mining collection substation is used for collecting described microseism elastic wave information and is forwarded to described collection analysis main frame by group of switches, described collection analysis main frame is for automatic marking, analyze and store described microseism elastic wave information, described group of switches comprises down-hole switch, aboveground switch and host exchange, described down-hole switch be a plurality of and with described aboveground switch with loop fashion wired connection, described aboveground switch and described host exchange are by wired connection, and described down-hole switch is connected with collection analysis main frame with mining collection substation respectively with host exchange.
2. microseism waveform automatic marking system as claimed in claim 1, is characterized in that, also comprises server, and described server is connected with described collection analysis main frame, and described server is used for storing described microseism elastic wave information.
3. microseism waveform automatic marking system as claimed in claim 1, it is characterized in that, described collection analysis main frame comprises collection main frame and analyzes main frame, described collection main frame is for collecting and forward described microseism elastic wave information, described analysis main frame is used for automatic marking, analyzes described microseism elastic wave information, and described collection main frame is connected with described server and described collection main frame is sent to described server by described microseism elastic wave information.
4. microseism waveform automatic marking system as claimed in claim 1, is characterized in that, described wave detector is connected with described mining collection substation by mine cable, and described mine cable is mining communication shielded twisted-pair cable.
5. microseism waveform automatic marking system as claimed in claim 1, it is characterized in that, described down-hole switch and aboveground switch are connected to loop by optical cable, described aboveground switch is connected by optical fiber with described host exchange, and described down-hole switch is connected by optical fiber with mining collection substation.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110942610A (en) * | 2019-12-10 | 2020-03-31 | 大连理工大学 | Intelligent rock microseismic acquisition and data wireless transmission system |
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