CN104076401A - Earthquake deep well comprehensive observing system of grouped structure - Google Patents
Earthquake deep well comprehensive observing system of grouped structure Download PDFInfo
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- CN104076401A CN104076401A CN201410193681.8A CN201410193681A CN104076401A CN 104076401 A CN104076401 A CN 104076401A CN 201410193681 A CN201410193681 A CN 201410193681A CN 104076401 A CN104076401 A CN 104076401A
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Abstract
The invention provides an earthquake deep well comprehensive observing system of a grouped structure. The comprehensive observing system comprises a central processing unit, an earthquake recorder, a well wall quake measuring component and a well bottom quake measuring component, the earthquake recorder is connected with the well wall quake measuring component and the well bottom quake measuring component through respectively through cables, the earthquake recorder receives micro seismic signals transmitted by the well wall quake measuring component and the well bottom quake measuring component, converts the micro seismic signals to digital signals and transmits the digital signals to the central processing unit, and the central processing unit automatically locates micro seismic activities and draws a picture according to the digital signals to provide visual earthquake scales and places. Grouped modularized design is adopted by the well wall quake measuring component and the well bottom quake measuring component, modules are not connected through electric signals, and the overall system is simple in structure, convenient to control and high in signal reliability.
Description
[technical field]
The present invention relates to seismic monitoring technology, relate in particular to the earthquake deep-well Integrated Observation System of packet configuration.
[background technology]
Earthquake science be one to be observed basic science, the authenticity of observational data has directly determined the effect of scientific research and application.Seismic monitoring is divided into microseism, macroseism, precursor observation conventionally, wherein precursor observation comprise again earth magnetism, electric, the observations such as deformation, terrestrial stress, underground fluid (containing physics and chemistry).
Borehole observation is to avoid the various interference sources in ground, improves the effective way of observation data quality, is also the direct approach that obtains the parameters such as subsurface temperature, earth magnetism, strain, inclination.And earthquake deep-well INTEGRATED SIGHT is to utilize a bite deep-well to realize the INTEGRATED SIGHT of multiple observation method, comprise many component strains instrument, inclinator, thermometer, magnetometer, broadband seismograph, strong-motion instrument, Pore Pressure meter etc., the physical property, the stress etc. that are established as detection near earthquake source underground medium of this type systematic, change and be significant for survey region structure dynamic environment.
Earthquake deep-well INTEGRATED SIGHT, not only can effectively avoid the mankind's activity on earth's surface to the interference of seismological observation, reduces the impact of surface rock weathering, Changes in weather.Meanwhile, can also solve the problem of large and medium-sized city " seismic monitoring blind area ".On the other hand, the different earthquake observation sensor of installing in same observing environment, can carry out the different compare of analysis of surveying between item, more objectively abnormal information is analysed in depth, and is beneficial to abnormal source and distinguishes.
At present, the observation of earthquake deep-well adopts the model of integration mostly,, is placed in a sleeve pipe all dives to deep-well bottom and carrys out monitor earthquake information with cement solidification in one by all observation project apparatus installations.There is following shortcoming in the earthquake deep-well observation of the model of integration:
1, because all the sensors is all installed on down-hole cement solidification, very high to the reliability requirement of system, once certain surveys a sensor or equipment breaks down, whole probe all will be scrapped;
2, the degree of tilt to inspection well, cementing requirements are all higher;
3, between each sensor, particularly between borehole seismic meter and geomagnetic sensor influence each other and interference is difficult to avoid;
4, the integrated level of system is had relatively high expectations, and brings thus the difficulty of system maintenance and maintenance to increase.
[summary of the invention]
The invention provides a kind of employing between grouping module design, module and connect without electric signal, simple in structure, control convenient, the earthquake deep-well Integrated Observation System of the packet configuration that signal reliability is high.
In order to realize foregoing invention object, the technical solution used in the present invention is:
The earthquake deep-well Integrated Observation System of packet configuration, comprise that CPU (central processing unit), seismic recorder, the borehole wall are surveyed shake assembly and shake assembly is surveyed in shaft bottom, described seismic recorder surveys shake assembly with the borehole wall respectively by cable and shaft bottom survey shake assembly is connected, the seismic recorder reception borehole wall is surveyed to shake the microearthquake signal of assembly and the transmission of shaft bottom survey shake assembly and convert digital signal to and is passed to CPU (central processing unit), and described CPU (central processing unit) according to digital signal, microearthquake activity is located automatically and mapping provides a visual earthquake scale and place, the described borehole wall is surveyed shake assembly and is comprised top cover, the first cabin body, the second cabin body, the 3rd cabin body and bottom, the first cabin body, the second cabin body and the 3rd cabin body be tubular structure that diameter is equal to and from top to bottom be provided with between any two the hermetically sealed connector that three successively series seal is connected, in the first cabin body, be provided with two down-hole short period seismometers that are connected with seismic recorder separately, in the second cabin body, be provided with two two component inclinators that are connected with seismic recorder separately, in the 3rd cabin body, be provided with two cooling-water temperature sensors that are connected with seismic recorder separately, described top cover is installed on the first body top, cabin, described bottom is installed on the 3rd body bottom, cabin, described shaft bottom is surveyed shake assembly and is comprised the 4th cabin body, the 5th cabin body, the 6th cabin body and the 7th cabin body, the 4th cabin body, the 5th cabin body and the 6th cabin body be tubular structure that diameter is equal to and from top to bottom be provided with between any two the hermetically sealed connector that three successively series seal is connected, the 7th cabin body is the semi-open-type tubular structure that bottom is cone, the 7th body top, cabin and the 6th body lower end, cabin are also provided with both hermetically sealed connector of being tightly connected, in the 4th cabin body, be provided with two earth magnetism and low temperature instrument that are connected with seismic recorder separately, in the 5th cabin body, be provided with seismic recorder and be connected separately the one or the four component strain instrument of measuring as main system sensing, in the 6th cabin body, be provided with seismic recorder and be connected separately the two or the four component strain instrument of measuring as standby system sensing, in the 7th cabin body, be provided with two space pressure sensors that are connected with seismic recorder separately, the described borehole wall is surveyed in the cable between shake assembly and shaft bottom survey shake assembly and seismic recorder and is respectively equipped with and is connected the communication core that adopts RS485 half-duplex bidirectional communication modes with each sensor, and each communication core is made up of two power leads and a pair of signal wire.
Further, the described borehole wall is surveyed shake assembly and is also comprised the first centralizer and the first suspension ring that are installed on top cover, is also provided with the cable protective kit of being convenient to be connected and fixed cable on top cover.
Further, the described borehole wall is surveyed shake assembly and is also comprised and be installed on the backup lock wall device of being convenient to the borehole wall in the 3rd cabin body and surveying shake assembly and lock onto borehole wall side.
Further, described shaft bottom is surveyed shake assembly and is also comprised the second centralizer that is installed on the 4th body top, cabin, is connected with the second suspension ring on the second centralizer, and the 4th cabin body and the second centralizer junction are provided with both hermetically sealed connector of being tightly connected.
The invention has the beneficial effects as follows:
Flourish along with economy, it is harsh that environment for seismic observation condition also becomes, the present invention adopts deep-well comprehensively to pop one's head in, except reducing the cost that the capital constructions such as expropriation of land, capital construction and power supply, lightning-arrest, communication, environment for seismic observation build, can also lower operating cost, thereby the integrated cost that reduces seismological observation, can utilize deep-well resource more effectively and reasonably; Because comprehensive probe adopts split type, modular design, by the borehole wall at deep-well and shaft bottom, the borehole wall is set respectively and surveys shake assembly and shaft bottom survey shake assembly, therefore probe can be realized double copies easily, thereby improve system reliability and redundancy, catch and also possess very actual meaning for flutterring of seismic anomaly, reach in same observation station and obtain different physical quantity observation information, by the record comparison of multiple physical quantity, improve the sensitivity of earthquake pre-warning monitor signal, expand the frequency band of signal simultaneously and improve the dynamic range of signal record; For earthquake precursor observation, the observation of different physical quantities, can flutter the relevant information of catching before impending earthquake more delicately.
In addition, the comprehensive probe in down-hole and aboveground data gathering system adopt the transmission of RS485 digital signal, in cable, be respectively equipped with and each sensor or collector connecting communication core, communication core adopts RS485 half-duplex bidirectional communication modes, each communication core is made up of two power leads and a pair of signal wire, like this, each module adopts transmission cable separately, between each package module, connect without electric signal, digital transmission has reduced the coupling between module, reduce disturbing mutually between signal, simplified design, improved system reliability; Particularly communication core has adopted RS485 half-duplex bidirectional communication modes, has reduced the quantity of communication cable, has improved the transmission capacity of transmission cable.In concrete enforcement, each communication core can be realized the transmission of a set of equipment, and 16 road signal wires can transmit the data of the complete incoherent package of 4 cover, thereby improves the transmission capacity of cable, meet the double copies work of system completely, be convenient to the installation of the integrated and equipment of system; The digital signal antijamming capability of cable is strong simultaneously, and high speed data transfer distance can reach more than 2000 meters, is far superior to the performance of analog signal transmission, improves the reliability of system, realizes the long-distance transmissions of system.
[brief description of the drawings]
Fig. 1 is structural representation of the present invention;
Fig. 2 is the amplification assumption diagram that the borehole wall of the present invention is surveyed shake assembly;
Fig. 3 is the amplification assumption diagram that shake assembly is surveyed in shaft bottom of the present invention;
Fig. 4 is the cross section amplification assumption diagram of communication core of the present invention.
[embodiment]
The earthquake deep-well Integrated Observation System of packet configuration, as shown in Figures 1 to 4, comprise CPU (central processing unit) 1, seismic recorder 2, shake assembly 3 surveyed by the borehole wall and shake assembly 4 is surveyed in shaft bottom, seismic recorder 2 is connected with the borehole wall survey shake assembly 3 and the shaft bottom survey shake assembly 4 that are arranged in deep-well respectively by cable 5, seismic recorder 2 receives the borehole wall and surveys shake assembly 3 and shaft bottom and survey the microearthquake signal that shake assembly 4 transmits and convert digital signal to and pass to CPU (central processing unit) 1, CPU (central processing unit) 1 according to digital signal, microearthquake activity is located automatically and mapping provides a visual earthquake scale and place.
As depicted in figs. 1 and 2, the borehole wall is surveyed shake assembly 3 and is comprised top cover 30, the first cabin body 31, the second cabin body 32, the 3rd cabin body 33, bottom 34, the first centralizer 35 and the first suspension ring 36, described the first cabin body 31, the second cabin body 32 and the 3rd cabin body 33 be tubular structure that diameter is equal to and from top to bottom be provided with between any two the hermetically sealed connector 6 that three successively series seal is connected, in the first cabin body 31, be provided with two down-hole short period seismometers that are connected with seismic recorder 2 separately, in the second cabin body 32, be provided with two two component inclinators that are connected with seismic recorder 2 separately, in the 3rd cabin body 33, be provided with two cooling-water temperature sensors that are connected with seismic recorder separately, top cover 30 is installed on the first cabin body 31 tops and is tightly connected by hermetically sealed connector 6 between the two, bottom 34 is installed on the 3rd cabin body 33 bottoms and is also tightly connected by hermetically sealed connector 6 between the two, the first centralizer 35 and the first suspension ring 36 are installed on top cover 30, are also provided with the cable protective kit 37 of being convenient to be connected and fixed cable on top cover 30.Wherein, the borehole wall is surveyed shake assembly 3 and is also comprised and be installed on the backup lock wall device 38 of being convenient to the borehole wall in the 3rd cabin body 33 and surveying shake assembly 3 and lock onto borehole wall side.
As shown in figures 1 and 3, shaft bottom is surveyed shake assembly 4 and is comprised the 4th cabin body 40, the 5th cabin body 41, the 6th cabin body 42, the 7th cabin body 43, the second centralizer 44 and the second suspension ring 45, the 4th cabin body 40, the 5th cabin body 41 and the 6th cabin body 42 be tubular structure that diameter is equal to and from top to bottom be provided with between any two the hermetically sealed connector 6 that three successively series seal is connected, the 7th cabin body 43 is the semi-open-type tubular structure of cone for bottom, the 7th cabin body 43 tops and the 6th cabin body 42 lower ends are also provided with both hermetically sealed connector 6 of being tightly connected, in the 4th cabin body 40, be provided with two earth magnetism and low temperature instrument that are connected with seismic recorder 2 separately, in the 5th cabin body 41, be provided with seismic recorder 2 and be connected separately the one or the four component strain instrument of measuring as main system sensing, in the 6th cabin body 42, be provided with seismic recorder 2 and be connected separately the two or the four component strain instrument of measuring as standby system sensing, in the 7th cabin body 43, be provided with two space pressure sensors that are connected with seismic recorder 2 separately, the second centralizer 44 is installed on the 4th cabin body 40 tops, is connected with the second suspension ring 45, the four cabin bodies 40 and the second centralizer 44 junctions and is provided with both hermetically sealed connector 6 of being tightly connected on the second centralizer 44.
By the upside borehole wall at deep-well and shaft bottom, the borehole wall is set respectively and surveys shake assembly 3 and shaft bottom survey shake assembly 4, make comprehensive probe of the present invention realize split type, modular design, therefore probe can be realized double copies easily, thereby improve system reliability and redundancy, catch and also possess very actual meaning for flutterring of seismic anomaly, reach in same observation station and obtain different physical quantity observation information, by the record comparison of multiple physical quantity, improve the sensitivity of earthquake pre-warning monitor signal.
As shown in Figure 1 and Figure 4, the borehole wall is surveyed in the cable 5 between shake assembly 3 and shaft bottom survey shake assembly 4 and seismic recorder 2 and is respectively equipped with and is connected the communication core 50 that adopts RS485 half-duplex bidirectional communication modes with each sensor, and each communication core 50 is made up of two power leads and a pair of signal wire.Due to the comprehensive probe in down-hole and the transmission of aboveground data gathering system employing RS485 digital signal, in cable 5, be respectively equipped with and be connected the communication core 50 that adopts RS485 half-duplex bidirectional communication modes with each sensor, like this, each sensor assembly adopts transmission cable separately, between each package module, connect without electric signal, digital transmission has reduced the coupling between module, has reduced disturbing mutually between signal, simplify design, improved system reliability; Particularly communication core has adopted RS485 half-duplex bidirectional communication modes, has reduced the quantity of communication cable, has improved the transmission capacity of transmission cable.Each communication core can be realized the transmission of a set of equipment, and 16 road signal wires can transmit the data of the complete incoherent package of 4 cover, thereby improves the transmission capacity of cable, meets the double copies work of system completely, is convenient to the installation of the integrated and equipment of system; The digital signal antijamming capability of cable is strong simultaneously, and high speed data transfer distance can reach more than 2000 meters, is far superior to the performance of analog signal transmission, improves the reliability of system, realizes the long-distance transmissions of system.
The present invention adopts deep-well comprehensively to pop one's head in, except reducing the cost that the capital constructions such as expropriation of land, capital construction and power supply, lightning-arrest, communication, environment for seismic observation build, can also lower operating cost, thereby reduce the integrated cost of seismological observation, can utilize more effectively and reasonably deep-well resource.
The above embodiment just, for preferred embodiment of the present invention, not limits practical range of the present invention with this, and the equivalence that all shapes according to the present invention, structure and principle are done changes, and all should be covered by protection scope of the present invention.
Claims (4)
1. the earthquake deep-well Integrated Observation System of packet configuration, comprise that CPU (central processing unit), seismic recorder, the borehole wall are surveyed shake assembly and shake assembly is surveyed in shaft bottom, described seismic recorder surveys shake assembly with the borehole wall respectively by cable and shaft bottom survey shake assembly is connected, the seismic recorder reception borehole wall is surveyed to shake the microearthquake signal of assembly and the transmission of shaft bottom survey shake assembly and convert digital signal to and is passed to CPU (central processing unit), and described CPU (central processing unit) according to digital signal, microearthquake activity is located automatically and mapping provides a visual earthquake scale and place; It is characterized in that:
The described borehole wall is surveyed shake assembly and is comprised top cover, the first cabin body, the second cabin body, the 3rd cabin body and bottom, the first cabin body, the second cabin body and the 3rd cabin body be tubular structure that diameter is equal to and from top to bottom be provided with between any two the hermetically sealed connector that three successively series seal is connected, in the first cabin body, be provided with two down-hole short period seismometers that are connected with seismic recorder separately, in the second cabin body, be provided with two two component inclinators that are connected with seismic recorder separately, in the 3rd cabin body, be provided with two cooling-water temperature sensors that are connected with seismic recorder separately, described top cover is installed on the first body top, cabin, described bottom is installed on the 3rd body bottom, cabin,
Described shaft bottom is surveyed shake assembly and is comprised the 4th cabin body, the 5th cabin body, the 6th cabin body and the 7th cabin body, the 4th cabin body, the 5th cabin body and the 6th cabin body be tubular structure that diameter is equal to and from top to bottom be provided with between any two the hermetically sealed connector that three successively series seal is connected, the 7th cabin body is the semi-open-type tubular structure that bottom is cone, the 7th body top, cabin and the 6th body lower end, cabin are also provided with both hermetically sealed connector of being tightly connected, in the 4th cabin body, be provided with two earth magnetism and low temperature instrument that are connected with seismic recorder separately, in the 5th cabin body, be provided with seismic recorder and be connected separately the one or the four component strain instrument of measuring as main system sensing, in the 6th cabin body, be provided with seismic recorder and be connected separately the two or the four component strain instrument of measuring as standby system sensing, in the 7th cabin body, be provided with two space pressure sensors that are connected with seismic recorder separately,
The described borehole wall is surveyed in the cable between shake assembly and shaft bottom survey shake assembly and seismic recorder and is respectively equipped with and is connected the communication core that adopts RS485 half-duplex bidirectional communication modes with each sensor, and each communication core is made up of two power leads and a pair of signal wire.
2. the earthquake deep-well Integrated Observation System of packet configuration according to claim 1, it is characterized in that, the described borehole wall is surveyed shake assembly and is also comprised the first centralizer and the first suspension ring that are installed on top cover, is also provided with the cable protective kit of being convenient to be connected and fixed cable on top cover.
3. the earthquake deep-well Integrated Observation System of packet configuration according to claim 1, is characterized in that, the described borehole wall is surveyed shake assembly and also comprised and be installed on the backup lock wall device of being convenient to the borehole wall in the 3rd cabin body and surveying shake assembly and lock onto borehole wall side.
4. the earthquake deep-well Integrated Observation System of packet configuration according to claim 1, it is characterized in that, described shaft bottom is surveyed shake assembly and is also comprised the second centralizer that is installed on the 4th body top, cabin, on the second centralizer, be connected with the second suspension ring, the 4th cabin body and the second centralizer junction are provided with both hermetically sealed connector of being tightly connected.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108761393A (en) * | 2018-05-18 | 2018-11-06 | 惠安县金建达电子科技有限公司 | A kind of underground longitude and latitude measuring device and method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108761393A (en) * | 2018-05-18 | 2018-11-06 | 惠安县金建达电子科技有限公司 | A kind of underground longitude and latitude measuring device and method |
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Application publication date: 20141001 |