CN201417314Y - Tricomponent photoelectricity mixing integration acceleration seismic geophone - Google Patents
Tricomponent photoelectricity mixing integration acceleration seismic geophone Download PDFInfo
- Publication number
- CN201417314Y CN201417314Y CN 200920081783 CN200920081783U CN201417314Y CN 201417314 Y CN201417314 Y CN 201417314Y CN 200920081783 CN200920081783 CN 200920081783 CN 200920081783 U CN200920081783 U CN 200920081783U CN 201417314 Y CN201417314 Y CN 201417314Y
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- tricomponent
- photoelectricity mixing
- signal processing
- harmonic oscillator
- processing system
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Abstract
The utility model relates to a tricomponent photoelectricity mixing integration acceleration seismic geophone applicable for the field of geophysical exploration and acceleration transducer technology, which comprises a tricomponent simple harmonic oscillator, a peripheral laser, a photoelectric conversion system and a signal processing system. The tricomponent simple armonic oscillator and the peripheral laser are mutually connected and the photoelectric conversion system and the signal processing system are mutually connected so as to form the tricomponent photoelectricity mixing integrationacceleration seismic geophone. The tricomponent simple harmonic oscillator consists of three M-Z interference chips. The tricomponent photoelectricity mixing integration acceleration seismic geophoneof the utility model has the advantages of high detection sensitivity, wide measurement frequency range, small volume, capacity of stably working in strong electromagnetic interference environment and low cost, and is applicable for mass production.
Description
Technical field
The utility model relates to a kind of three-component photoelectricity and mixes integrated acceleration detector, is applicable to geophysical survey and acceleration transducer technical field.
Background technology
At present, seismic exploration technique adopts one dimension, two dimension exploration more, not enough and the hidden tomography of the seismic line coverage rate of this technology can not show or wrong imaging, making can not be accurately and explain correct fault complex subtly and adopt the method only can provide simple fault complex, and the complicacy of the actual earth's crust can only be understood with 3D seismic data.Therefore, one, the two dimension exploration can't adapt to the fine description complex geological structure.
The three-dimensional formation information that the 3-d seismic exploration technology is obtained by analysis realizes the crack, and complicated oil reservoir such as thin layer is described in detail and accurately delineation, is that various countries carry out meticulous exploration, improve oil and gas production and the gordian technique greatly developed.The detection of 3-component earthquake acceleration is as the pickup technology of earthquake information in the 3-d seismic exploration, its advanced degree has determined the precision and the quality of earthquake data acquisition, directly influence follow-up interpretation process process, it is the core of 3-d seismic exploration technology, for improving the 3-component earthquake surveying accuracy, improve oil and gas production; Realize that high resolving power, high-precision meticulous exploration have important scientific meaning and social value.Therefore press for a kind of detection sensitivity height, stable performance, the suitable novel wave detector of producing in enormous quantities.
Summary of the invention
The purpose of this utility model is to overcome the deficiencies in the prior art, provides a kind of three-component photoelectricity to mix integrated acceleration detector.This wave detector has that test frequency range is wide, detection sensitivity is high, good, the anti-electromagnetic interference (EMI) of fidelity, integrated chip adopt semiconductor planar technology to make.
The technical scheme that its technical matters that solves the utility model adopts is: a kind of three-component photoelectricity mixes integrated acceleration detector and comprises three-component simple harmonic oscillator, peripheral laser instrument, photo-translating system and signal processing system, adopts the three-component simple harmonic oscillator to be connected to form three-component photoelectricity with peripheral laser instrument, photo-translating system and signal processing system and mixes integrated acceleration detector.
Described three-component simple harmonic oscillator interferes chip to be formed by three M-Z.
Advantage of the present utility model:
1, owing to adopted optical waveguide Mach Ceng Degan to relate to detection system and optics integrated technology, thereby improved the detection sensitivity of three-component acceleration detector, measure bandwidth, reduced volume, improved stability in use, and can be under the environment of strong electromagnetic steady operation.
2, integrated chip adopts semiconductor planar technology to make, suitable production in enormous quantities, the characteristics that cost is low, volume is little.
Description of drawings
Fig. 1 is the structural representation that a kind of three-component photoelectricity of the utility model mixes integrated acceleration detector.
Embodiment
To contrast accompanying drawing below and further specify the utility model:
In Fig. 1, a kind of three-component photoelectricity of the utility model mixes integrated acceleration detector and comprises three-component simple harmonic oscillator 6, peripheral laser instrument 1, photo-translating system 7 and signal processing system 8, adopts three-component simple harmonic oscillator and peripheral laser instrument, photo-translating system and signal processing system to be connected to form.
In Fig. 1, the three-dimensional simple harmonic oscillator 6 that M-Z interferes chip (2,3,5) to be formed is fixed on the pedestal 4.The light that peripheral laser instrument 1 sends divides three the tunnel to import M-Z interference chip (2,3,5) respectively, does the time spent when pedestal 4 is subjected to any direction acceleration, and M-Z interferes x, the y of chip (2,3,5) difference induction acceleration, the component a of z three directions
x, a
y, a
zAccording to LiNbO
3The photoelastic effect of crystal, three-dimensional acceleration change are converted into light phase and change.Interfere chip (2,3,5) that light phase is changed by M-Z and be converted into the light intensity variation, adopt photo-translating system 7 that light intensity signal is converted to electric signal, adopt 8 pairs of measured acceleration electric signal of signal processing system to carry out the DSP technical finesse then, obtain the relation of institute's measuring acceleration and output voltage, finish the detection of acceleration.Output V
x, output V
yWith output V
zBe respectively the voltage output of x, y, z three directions.
Claims (1)
1, a kind of three-component photoelectricity mixes integrated acceleration detector and comprises three-component simple harmonic oscillator (6), peripheral laser instrument (1), photo-translating system (7) and signal processing system (8), it is characterized in that, adopt three-component simple harmonic oscillator (6) and peripheral laser instrument (1), photo-translating system (7) and signal processing system (8) to be connected to form; Described three-component simple harmonic oscillator (6) interferes chip (2,3,5) to be formed by M-Z.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200920081783 CN201417314Y (en) | 2009-06-13 | 2009-06-13 | Tricomponent photoelectricity mixing integration acceleration seismic geophone |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200920081783 CN201417314Y (en) | 2009-06-13 | 2009-06-13 | Tricomponent photoelectricity mixing integration acceleration seismic geophone |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201417314Y true CN201417314Y (en) | 2010-03-03 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200920081783 Expired - Fee Related CN201417314Y (en) | 2009-06-13 | 2009-06-13 | Tricomponent photoelectricity mixing integration acceleration seismic geophone |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201417314Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106094009A (en) * | 2016-05-26 | 2016-11-09 | 招商局重庆交通科研设计院有限公司 | Echo speed observation system based on photoelectric sensor and acceleration transducer |
| CN108627870A (en) * | 2018-07-10 | 2018-10-09 | 湖北文索光电科技有限公司 | Mach once moral Fibre Optical Sensor geophone |
| CN108931809A (en) * | 2018-07-10 | 2018-12-04 | 湖北文索光电科技有限公司 | Two axis Fibre Optical Sensor earthquake wave detectors |
| CN109000617A (en) * | 2018-08-17 | 2018-12-14 | 山东省科学院激光研究所 | A kind of intelligence tilt angle monitoring device and system |
-
2009
- 2009-06-13 CN CN 200920081783 patent/CN201417314Y/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106094009A (en) * | 2016-05-26 | 2016-11-09 | 招商局重庆交通科研设计院有限公司 | Echo speed observation system based on photoelectric sensor and acceleration transducer |
| CN106094009B (en) * | 2016-05-26 | 2018-03-27 | 招商局重庆交通科研设计院有限公司 | Reflection wave velocity observation system based on photoelectric sensor and acceleration transducer |
| CN108627870A (en) * | 2018-07-10 | 2018-10-09 | 湖北文索光电科技有限公司 | Mach once moral Fibre Optical Sensor geophone |
| CN108931809A (en) * | 2018-07-10 | 2018-12-04 | 湖北文索光电科技有限公司 | Two axis Fibre Optical Sensor earthquake wave detectors |
| CN109000617A (en) * | 2018-08-17 | 2018-12-14 | 山东省科学院激光研究所 | A kind of intelligence tilt angle monitoring device and system |
| CN109000617B (en) * | 2018-08-17 | 2020-12-08 | 山东省科学院激光研究所 | Intelligent dip angle monitoring device and system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100303 Termination date: 20120613 |