CN104793239A - Comprehensive seismological system based on MEMS acceleration sensor - Google Patents
Comprehensive seismological system based on MEMS acceleration sensor Download PDFInfo
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Abstract
The invention discloses a comprehensive seismological system based on an MEMS acceleration sensor. The comprehensive seismological system comprises a triaxial MEMS acceleration sensor group, a frequency selection allocation group, an analog-digital conversion group and a processing module. By adopting the comprehensive seismological system, an original ultra broadband seismometer, a broadband seismometer, a short-period seismometer, a strong-motion seismograph, a seismic intensity meter and a data collector are reasonably integrated, so that the size is greatly reduced, various functions such as an intelligent monitoring function and a remote measuring function which are not provided by the traditional seismometer are provided, and the comprehensive seismological system represents the development trend of the digital seismic monitoring, takes a new strategy highland of the seismic monitoring field and solves the problems of the original seismic meter such as daily maintenance and remote measuring.
Description
Technical field
The present invention relates to microseismic activity field of measuring technique, specifically a kind of comprehensive survey shake system based on MEMS acceleration transducer.
Background technology
The sensor of Monitoring and prediction of earthquake instrument is still continue to use the dynamo-electric induction pick-up of traditional, old-fashioned moving-coil type substantially at home at present, makes existing seismic instrument have following inconvenience:
1, weight large (generally by tens kilograms to tens kilograms), volume is large, is inconvenient to transport and store;
2, frequency band is narrow, and broadband seismometer frequency range is tens seconds to tens hertz;
3, power consumption is large; Generally reach more than tens watts;
4, pick up shake part mechanical requirement on machining accuracy high, cost of manufacture is large;
5, instrument is laid and is required high, needs manually meticulously to regulate horizontal attitude, is difficult to adaptation remote measurement and intelligentized requirement;
6, crucial geophone mechanical component easily damages, and is afraid of to impact, and is afraid of collision, and carrying and maintenance are not easily.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, a kind of comprehensive survey shake system based on MEMS acceleration transducer is provided.
The present invention is achieved by following technical proposals:
Based on a comprehensive survey shake system for MEMS acceleration transducer, comprising:
Three axial MEMS groups of acceleration sensors, for receiving the seismic signal in X, Y, Z tri-directions;
He Ne laser divides combo, and described He Ne laser divides combo to be electrically connected with described 3 axial MEMS groups of acceleration sensors, for resolving into desired signal by receiving the seismic signal come;
Analog to digital conversion group, described analog to digital conversion group is electrically connected with a described He Ne laser point combo, obtains digital signal for the desired signal after decomposition is carried out analog to digital conversion;
Process module, process module is electrically connected with described analog to digital conversion group, for carrying out earthquake information overall treatment according to the digital signal obtained after conversion and result is outputted to seismic network information center.
Preferably, a described He Ne laser point combo comprises:
Very wide frequency band measurement unit, for resolving into very wide frequency band measurement desired signal by receiving the seismic signal come;
Wide frequency band measurement unit, for resolving into monitor signal needed for broadband seismometer by receiving the seismic signal come;
Short period monitoring means, for resolving into monitor signal needed for short period seismometer by receiving the seismic signal come.
Preferably, described process module comprises:
Very Broad band data processing unit, for will very wide frequency band measurement desired signal carrying out process and obtain very broadband seismic testing result;
Broad band data processing unit, carries out process for monitor signal needed for broadband seismometer and obtains broadband seismic testing result;
Short period processing unit, carries out process for monitor signal needed for short period seismometer and obtains short period earthquake detection result.
Preferably, described analog to digital conversion group comprises:
At least one road A/D modular converter, for carrying out analog to digital conversion to desired signal;
Seismic event collection analysis applying unit, for realizing different seismic monitoring modes and selection thereof, and then different seismic monitoring functions.
Preferably, described process module comprises network interface module, and described process module is connected with seismic network information center by described network interface module.
Preferably, be electrically connected by system bus between described analog to digital conversion group with described process module.
Original very full spectrum seismograph, broadband seismometer, short period seismometer, strong-motion instrument, seismic intensity can be taken into account data acquisition combination and unite by the comprehensive survey shake system based on MEMS acceleration transducer provided by the invention, volume-diminished is a lot, possess the several functions that the original seismometer such as intelligent monitoring and long-haul telemetry does not possess, its meaning comprises simultaneously:
1, the developing direction of digital seismics monitoring is represented.The existing seismic observation system of China is mainly divided into Strong-motion Network and surveys shake platform net two parts, because the function of two systems is not identical, so their instrument used is also not quite similar, and can by two system unifications by the present invention.
2, rob and account for the new main strategy in seismic monitoring field.Seismic monitoring becomes common recognition to high technology content, intelligent direction development.MEMS acceleration intelligent comprehensive surveys shake system, utilizes the technical advantage that it is intrinsic, the development trend of leader's seismic monitoring system.
3, the problem of original seismographic daily servicing and long-haul telemetry is solved.Original seismograph needs manually to carry out instrument calibration and adjustment every year, can carry out Remote calibration after using this system in monitoring center to the seismic instrument of far-end, the function that the duty of all right each instrument of Real-Time Monitoring is normally no.
Accompanying drawing explanation
Accompanying drawing described herein is used to provide a further understanding of the present invention, forms a application's part, does not form inappropriate limitation of the present invention, in the accompanying drawings:
Fig. 1 is embodiment of the present invention structural representation.
Embodiment
Describe the present invention in detail below in conjunction with accompanying drawing and specific embodiment, be used for explaining the present invention in this illustrative examples of the present invention and explanation, but not as a limitation of the invention.
Embodiment:
As shown in Figure 1, a kind of comprehensive survey shake system based on MEMS acceleration transducer, comprising:
Three axial MEMS groups of acceleration sensors 1, comprise three MEMS acceleration transducers, and for receiving the seismic signal in X, Y, Z tri-directions, three axial MEMS groups of acceleration sensors 1 adopt MEMS technology, and MEMS is also known as MEMS (micro electro mechanical system).MEMS sensor chip is formed by the manufacture of micron-sized silicon three-dimension process technology, miniature or Miniature Sensor.MEMS technology is widely used in industry, information, national defence, medical treatment, automobile and other industries, the most frequently used as smart mobile phone, vehicle impact air bag etc.After MEMS chip large-scale production, cost is lower, stability is high, and this is undoubtedly a huge development opportunity to the cause of earthquake prevention and disaster alleviation that part is limited by seismic instrument cost, lays this sensor if extensive, more abundanter STRONG MOTION DATA will be obtained, for seismic study provides the data of some necessity, if be applied in intensity rapid re port and earthquake early-warning system, there is huge cost advantage;
He Ne laser divides combo 2, and described He Ne laser divides combo 2 to be electrically connected with described 3 axial MEMS groups of acceleration sensors, and for resolving into desired signal by receiving the seismic signal come, such as, He Ne laser point combo 2 in the present embodiment comprises:
1, very wide frequency band measurement unit 21, seismic signal for reception being come resolves into very wide frequency band measurement desired signal, and (hertz (3dB) records ground motion velocity in 360 (120) second ~ 50, VBB3000 second ~ 360 seconds (3dB) record earthquake acceleration, VLP);
2, wide frequency band measurement unit 22, for resolving into monitor signal needed for broadband seismometer (be better than 0.025 ~ 50Hz (3dB) and record ground motion velocity) by receiving the seismic signal come;
3, short period monitoring means 23, for resolving into monitor signal needed for short period seismometer (1 second ~ 40 hertz (3dB) ground motion velocity are smooth) by receiving the seismic signal come.
Analog to digital conversion group 3, described analog to digital conversion group 3 is electrically connected with described He Ne laser point combo 2, obtains digital signal for the desired signal after decomposition is carried out analog to digital conversion;
Process module 4, process module is electrically connected with described analog to digital conversion group, for carrying out earthquake information overall treatment according to the digital signal obtained after conversion and result outputted to Seismic network centre, realized by central processing unit and the secondary data memory technology based on SDRAM, FLASH, accordingly, the process module in the present embodiment comprises:
1, very Broad band data processing unit 41, for will very wide frequency band measurement desired signal carrying out process and obtain very broadband seismic testing result;
2, Broad band data processing unit 42, carries out process for monitor signal needed for broadband seismometer and obtains broadband seismic testing result;
3, short period processing unit 43, carries out process for monitor signal needed for short period seismometer and obtains short period earthquake detection result.
In the present embodiment, described process module comprise provide Ethernet interface, RE232 interface, WIFI network interface network interface module 45, described process module selectivity is connected with Seismic network centre by described network interface module.
As the improvement of above-described embodiment scheme, described analog to digital conversion group 3 comprises at least one road for carrying out outside analog-to-digital A/D modular converter 31 to desired signal, also comprise a seismic event collection analysis applying unit 32, the seismic event collection analysis applying unit be integrated in embedded OS is selected each seismic waveshape, complete the sampling of information, quantification, coding/decoding, calculation process and conversion, for realizing different seismic monitoring modes and selection thereof, and then different seismic monitoring functions.
The present invention utilizes the technology such as MEMS acceleration transducer technology, parallel compensate, computing machine, communication, network, automatically control, by the very relative distribution such as broad-band teleseismic meter, broad-band teleseismic meter, short period seismometer, strong-motion instrument, seismic intensity meter, independently system is brought in unified platform, realize information integerated, being formed is core with information integerated, integrates data acquisition, monitoring, control, management, the networking of early warning, informationization and intelligentized system ensemble.Its object is intended to for various seismic monitoring data, various monitoring objective provides high automation, the integrated monitor platform of high reliability, and provide a kind of open, enhanced scalability possess function dynamic-configuration, the information integerated architectural framework of flexible restructuring characteristic, practical function is separated with equipment, what information acquisition used with information is separated, data are separated with application, thus deactivation system function and the tightly coupled binding relationship of equipment, eliminate the contradiction between current day by day serious survey shake expanding of system function and global optimization, reach the target that each subsystem of Seismic network is unified.
Above the technical scheme that the embodiment of the present invention provides is described in detail, apply specific case herein to set forth the principle of the embodiment of the present invention and embodiment, the explanation of above embodiment is only applicable to the principle helping to understand the embodiment of the present invention; Meanwhile, for one of ordinary skill in the art, according to the embodiment of the present invention, embodiment and range of application all will change, and in sum, this description should not be construed as limitation of the present invention.
Claims (6)
1., based on a comprehensive survey shake system for MEMS acceleration transducer, it is characterized in that comprising:
Three axial MEMS groups of acceleration sensors, for receiving the seismic signal in X, Y, Z tri-directions;
He Ne laser divides combo, and described He Ne laser divides combo to be electrically connected with described 3 axial MEMS groups of acceleration sensors, for resolving into desired signal by receiving the seismic signal come;
Analog to digital conversion group, described analog to digital conversion group is electrically connected with a described He Ne laser point combo, obtains digital signal for the desired signal after decomposition is carried out analog to digital conversion;
Process module, process module is electrically connected with described analog to digital conversion group, for carrying out earthquake information overall treatment according to the digital signal obtained after conversion and result is outputted to Seismic network centre.
2., as claimed in claim 1 based on the comprehensive survey shake system of MEMS acceleration transducer, it is characterized in that a described He Ne laser point combo comprises:
Very wide frequency band measurement unit, for resolving into very wide frequency band measurement desired signal by receiving the seismic signal come;
Wide frequency band measurement unit, for resolving into monitor signal needed for broadband seismometer by receiving the seismic signal come;
Short period monitoring means, for resolving into monitor signal needed for short period seismometer by receiving the seismic signal come.
3., as claimed in claim 2 based on the comprehensive survey shake system of MEMS acceleration transducer, it is characterized in that described process module comprises:
Very Broad band data processing unit, for will very wide frequency band measurement desired signal carrying out process and obtain very broadband seismic testing result;
Broad band data processing unit, carries out process for monitor signal needed for broadband seismometer and obtains broadband seismic testing result;
Short period processing unit, carries out process for monitor signal needed for short period seismometer and obtains short period earthquake detection result.
4., as claimed in claim 1 based on the comprehensive survey shake system of MEMS acceleration transducer, it is characterized in that described analog to digital conversion group comprises:
At least one road A/D modular converter, for carrying out analog to digital conversion to desired signal;
Seismic event collection analysis applying unit, for realizing different seismic monitoring modes and selection thereof, and then different seismic monitoring functions.
5., as claimed in claim 1 based on the comprehensive survey shake system of MEMS acceleration transducer, it is characterized in that:
Described process module comprises network interface module, and described process module is connected with seismic network information center by described network interface module.
6., as claimed in claim 1 based on the comprehensive survey shake system of MEMS acceleration transducer, it is characterized in that:
Be electrically connected by system bus between described analog to digital conversion group with described process module.
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109183861A (en) * | 2018-10-15 | 2019-01-11 | 建研地基基础工程有限责任公司 | A kind of foundation pit intelligent monitoring method and monitoring system based on mems sensor |
| CN109238369A (en) * | 2018-10-15 | 2019-01-18 | 建研地基基础工程有限责任公司 | A kind of stress and strain testing method based on MEMS sensor |
| CN110114644A (en) * | 2017-02-03 | 2019-08-09 | 松下知识产权经营株式会社 | Survey shake device and the safety device using survey shake device |
| CN113126143A (en) * | 2021-04-22 | 2021-07-16 | 中国科学院、水利部成都山地灾害与环境研究所 | Portable micro-motion and strong-vibration real-time monitor system |
| CN117310800A (en) * | 2023-09-11 | 2023-12-29 | 东北大学 | Combined speed microseismic sensor and monitoring method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2650150Y (en) * | 2003-05-23 | 2004-10-20 | 中国石油化工股份有限公司石油勘探开发研究院南京石油物探研究所 | Three-component digital seismic prospecting detector |
| US7224642B1 (en) * | 2006-01-26 | 2007-05-29 | Tran Bao Q | Wireless sensor data processing systems |
| CN201368921Y (en) * | 2009-01-22 | 2009-12-23 | 北京港震机电技术有限公司 | Vibration signal receiving device |
| CN201654246U (en) * | 2010-04-23 | 2010-11-24 | 北京港震机电技术有限公司 | Short cycle submarine seismograph |
| CN203350459U (en) * | 2013-07-17 | 2013-12-18 | 中国地震局地球物理研究所 | A quick reporting instrument for ground motion parameters |
-
2015
- 2015-05-15 CN CN201510246289.XA patent/CN104793239A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2650150Y (en) * | 2003-05-23 | 2004-10-20 | 中国石油化工股份有限公司石油勘探开发研究院南京石油物探研究所 | Three-component digital seismic prospecting detector |
| US7224642B1 (en) * | 2006-01-26 | 2007-05-29 | Tran Bao Q | Wireless sensor data processing systems |
| CN201368921Y (en) * | 2009-01-22 | 2009-12-23 | 北京港震机电技术有限公司 | Vibration signal receiving device |
| CN201654246U (en) * | 2010-04-23 | 2010-11-24 | 北京港震机电技术有限公司 | Short cycle submarine seismograph |
| CN203350459U (en) * | 2013-07-17 | 2013-12-18 | 中国地震局地球物理研究所 | A quick reporting instrument for ground motion parameters |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110114644A (en) * | 2017-02-03 | 2019-08-09 | 松下知识产权经营株式会社 | Survey shake device and the safety device using survey shake device |
| CN109183861A (en) * | 2018-10-15 | 2019-01-11 | 建研地基基础工程有限责任公司 | A kind of foundation pit intelligent monitoring method and monitoring system based on mems sensor |
| CN109238369A (en) * | 2018-10-15 | 2019-01-18 | 建研地基基础工程有限责任公司 | A kind of stress and strain testing method based on MEMS sensor |
| CN113126143A (en) * | 2021-04-22 | 2021-07-16 | 中国科学院、水利部成都山地灾害与环境研究所 | Portable micro-motion and strong-vibration real-time monitor system |
| CN117310800A (en) * | 2023-09-11 | 2023-12-29 | 东北大学 | Combined speed microseismic sensor and monitoring method |
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Application publication date: 20150722 |