CN201368921Y - Vibration signal receiving device - Google Patents
Vibration signal receiving device Download PDFInfo
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- CN201368921Y CN201368921Y CNU2009200037231U CN200920003723U CN201368921Y CN 201368921 Y CN201368921 Y CN 201368921Y CN U2009200037231 U CNU2009200037231 U CN U2009200037231U CN 200920003723 U CN200920003723 U CN 200920003723U CN 201368921 Y CN201368921 Y CN 201368921Y
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- signal receiving
- vibration signal
- receiving trap
- vibration
- displacement transducer
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- 238000012545 processing Methods 0.000 claims abstract description 24
- 238000006073 displacement reaction Methods 0.000 claims abstract description 16
- 238000006243 chemical reaction Methods 0.000 claims description 7
- 238000004891 communication Methods 0.000 claims description 6
- 238000013500 data storage Methods 0.000 claims description 6
- 210000000352 storage cell Anatomy 0.000 claims description 5
- 230000008447 perception Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 5
- 230000005540 biological transmission Effects 0.000 abstract description 3
- 238000004880 explosion Methods 0.000 description 6
- 230000006870 function Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 238000005094 computer simulation Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 230000009897 systematic effect Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 230000002463 transducing effect Effects 0.000 description 1
- 230000004304 visual acuity Effects 0.000 description 1
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Abstract
The utility model relates to a vibration signal receiving device, which comprises a three-component inertia pendulum, a displacement transducer, a feedback network and a feedback coil driver circuit, an A/D converter, a data recording and signal processing unit, wherein the three-component inertia pendulum is used to sense external inertia force; the displacement transducer is connected with the three-component inertia pendulum and used to convert the ground motion sensed by the three-component inertia pendulum into an electric signal; the feedback network and the feedback coil driver circuit are used to determine the feedback force of the three-component inertia pendulum and output a voltage signal jointly with the displacement transducer; the A/D converter is used to convert the electric signal of the displacement transducer into a digital signal; and the data recording and signal processing unit is connected with the A/D converter and used to acquire and process vibration data. The utility model has the advantages that the vibration signal receiving device is suitable for the environments of highly-repetitive precise controllable artificial seismic sources and of long low-energy output transmission distance, and the vibration signal receiving device can satisfy the requirement on the seismological observation at frequently-changed observation points.
Description
Technical field
The utility model belongs to accurate vibroseis recording geometry scope, is specifically related to a kind of vibration signal receiving trap.
Background technology
Seismograph is the key equipment of earthquake observation, ripe instrument has been arranged in practical application at present.Seismograph generally comprises seismometer, two independent parts of seismic data collector, and the former is used for ground vibration is converted to electric signal, and the latter is a digital signal with electrical signal conversion.Therefore present most digital observation is used the observation occasion with seismometer and these two supporting uses of relatively independent instrument combination of data acquisition unit, to obtain required observation data.
The feedback seismometer has that bandwidth, dynamic range are big, the characteristics of good linearity, has become present widely used main product.Can be divided into very broadband seismometer, broadband seismometer and short period seismometer according to the seismometer frequency span, the observation scope that wherein belongs to short period seismometer according to the vibration frequency range (3Hz-20Hz) of precision control man-made explosion, for realizing better performance, at present all broadband seismometers and very broadband seismometer all adopted feedback technique, many short period seismometers have also adopted feedback technique, and the self-noise effective value is less than 10-8m/s.Seismic data collector is a key equipment of realizing digital seismic observation, over past ten years, adopt the data acquisition unit of 24 analog-digital converters to become main flow, after the analog voltage amount that data acquisition unit is exported seismometer converts digital signal to, according to the GPS time service clock with the strict label time synchronous code of seismic signal mark, with the storage unit of data storage in inside, the storage unit capacity is generally at 2GB to 30GB simultaneously.The general seismometer of employing feedback technique combines with 24 seismic data collectors and can access high-quality observation data, and the dynamic range of recording geometry can reach more than the 120dB.
The power consumption of ripe at present seismometer of using and data acquisition unit is respectively all greater than 1W, that have even more than 3W, and because accurate controlled man-made explosion system is in the initial stage of development, the test observation equipment that most of accurate controlled man-made explosion recording geometry is used all is based on the matured product of earthquake observation, the transducer sensitivity that the physical prospecting industry is used is low, earthquake observation instrument laying complexity height and cost are relatively costly, are not suitable for the man-made explosion systematic large-scale as reaching thousands of observation stations observation requirements.
The utility model content
The utility model provides a kind of transducer sensitivity height, the vibration signal receiving trap that cost is low, it can be applicable to the high duplication that accurate controlled man-made explosion takes place and low energy intensity be exported transmission range write down environment far away, and the requirement of observation station frequent changes.
The technical scheme that the utility model adopted is as follows:
A kind of vibration signal receiving trap is characterized in that described vibration signal receiving trap comprises:
Three-component inertia pendulum is used for the extraneous inertial force of sensing;
Displacement transducer connects three-component inertia pendulum and converts the ground motion of three-component inertia pendulum institute perception to electric signal;
Feedback network and tickler driving circuit, be used to measure three-component inertia pendulum feedback force and and displacement transducer output voltage signal together;
Analog-digital commutator is a digital signal with the electrical signal conversion of displacement transducer;
Data recording and signal processing unit, the connection mode analog-to-digital conversion apparatus is used for the collection and the processing of vibration data.
Specifically, a nearly step of described vibration signal receiving trap comprises GPS time service receiver module, and described GPS time service receiver module connects described data recording and signal processing unit.
Described vibration signal receiving trap
Further comprise data storage cell, described data storage cell connects described data recording and signal processing unit.
Described vibration signal receiving trap further comprises network and serial communication unit, and described network and serial communication unit connect described data recording and signal processing unit.
Described vibration signal receiving trap comprises a shell body, and described shell body internal fixation is provided with three-component inertia pendulum, data recording and signal processing apparatus and feedback circuit.
Described shell body upper end is provided with can plug storer.
The bottom of described shell body is provided with three groups of levelling bolts, and the arranged outside of its underpart has PORT COM and GPS/ power port.
The bottom of described shell body is provided with Directional Sign.
This vibration signal receiving trap adopts the three-component inertia pendulum of miniaturization mechanical type round the design object of low-power consumption, low cost, pocket, and this three-component inertia pendulum can be attached necessary lock pendulum and automatic zero set (AZS) mechanism.Displacement transducer and feedback network can be by setting up computer simulation model, the stability problem of research digital feedback system, find out stable, attainable feedback model parameter, adopt displacement transducing and speed, acceleration mixing feedback technique to make seismometer obtain stable transport function and high performance index.
Analog-digital commutator can adopt high resolution, great dynamic range analog-digital converter chip to guarantee the overall objective of receiving trap.The hardware platform of data processing and signal processing unit can adopt the CPU (central processing unit) of ARM technology, software platform adopts the Linux embedded real-time operating system, and functions such as the collection of focus observation data, data processing, record, transmission and monitoring are finished in the two cooperation.GPS time service receiver module can guarantee each observation station timing tracking accuracy.This vibration signal receiving trap also can be by network and serial communication unit implement device condition monitoring and output observation data,
The advantage of this vibration signal receiving trap is that transport function is stable, and high conformity helps being designed to integrated, portable mobile observation instrument; Do not need to use the analog signal transmission cable, solved problems such as the signal attenuation that needs to transmit simulating signal between analog feedback seismometer and the data acquisition unit and bring, noise, channels crosstalk.It uses the signal extraction technology, improves the feeble signal recognition capability, improves the displacement transducer signal to noise ratio (S/N ratio), thereby reduces system noise, improves the resolving power of seismometer.Simultaneously low in energy consumption, volume is little, and is in light weight, is suitable for the extensive Installation And Construction of man-made explosion recording geometry.
Description of drawings
Fig. 1 is the composition framework synoptic diagram of the utility model embodiment;
Fig. 2 is the agent structure synoptic diagram of the utility model embodiment.
Embodiment
As shown in Figure 1, this vibration signal receiving trap comprises:
Three-component inertia pendulum 11 is used for the extraneous inertial force of sensing;
Feedback network and tickler driving circuit 15, be used to measure the three-component inertia pendulum feedback force and and displacement transducer output voltage signal together;
Analog-digital commutator specifically adopts 24 ADC, is digital signal with the electrical signal conversion of displacement transducer;
Data recording and signal processing unit, the connection mode analog-to-digital conversion apparatus is used for the collection and the processing of vibration data.
GPS time service receiver module 13 connects described data recording and signal processing unit.
Power supply and peripheral interface circuit are realized the power supply of analog-and digital-circuit part, can independently isolate the DC/DC transducer by many groups and realize.
Structure as shown in Figure 2, this vibration signal receiving trap comprises a shell body, the shell body internal fixation is provided with three-component inertia pendulum 23, data recording and signal processing apparatus 29 and feedback circuit 28.The shell body upper end is provided with can plug storer 22 and handle 21.The bottom of shell body is provided with three groups of levelling bolts 26, and the arranged outside of its underpart has PORT COM 24 and GPS/ power port 27, and the bottom is provided with Directional Sign 25.
Claims (8)
1. vibration signal receiving trap is characterized in that described vibration signal receiving trap comprises:
Three-component inertia pendulum is used for the extraneous inertial force of sensing;
Displacement transducer connects three-component inertia pendulum and converts the ground motion of three-component inertia pendulum institute perception to electric signal;
Feedback network and tickler driving circuit, be used to measure three-component inertia pendulum feedback force and and displacement transducer output voltage signal together;
Analog-digital commutator is a digital signal with the electrical signal conversion of displacement transducer;
Data recording and signal processing unit, the connection mode analog-to-digital conversion apparatus is used for the collection and the processing of vibration data.
2. vibration signal receiving trap according to claim 1 is characterized in that described vibration signal receiving trap further comprises GPS time service receiver module, and described GPS time service receiver module connects described data recording and signal processing unit.
3. vibration signal receiving trap according to claim 1 is characterized in that described vibration signal receiving trap further comprises data storage cell, and described data storage cell connects described data recording and signal processing unit.
4. vibration signal receiving trap according to claim 1 is characterized in that described vibration signal receiving trap further comprises network and serial communication unit, and described network and serial communication unit connect described data recording and signal processing unit.
5. vibration signal receiving trap according to claim 1 is characterized in that described vibration signal receiving trap comprises a shell body, and described shell body internal fixation is provided with three-component inertia pendulum, data recording and signal processing apparatus and feedback circuit.
6. vibration signal receiving trap according to claim 5 is characterized in that the setting of described shell body upper end can plug storer.
7. vibration signal receiving trap according to claim 1 is characterized in that the bottom of described shell body is provided with three groups of levelling bolts, and the arranged outside of its underpart has PORT COM and GPS/ power port.
8. vibration signal receiving trap according to claim 1 is characterized in that the bottom of described shell body is provided with Directional Sign.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2009200037231U CN201368921Y (en) | 2009-01-22 | 2009-01-22 | Vibration signal receiving device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2009200037231U CN201368921Y (en) | 2009-01-22 | 2009-01-22 | Vibration signal receiving device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201368921Y true CN201368921Y (en) | 2009-12-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNU2009200037231U Expired - Lifetime CN201368921Y (en) | 2009-01-22 | 2009-01-22 | Vibration signal receiving device |
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| CN (1) | CN201368921Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103293396A (en) * | 2012-10-31 | 2013-09-11 | 中国矿业大学(北京) | Measuring system and measuring method of standard magnetic field source |
| CN104793239A (en) * | 2015-05-15 | 2015-07-22 | 威亚讯通(北京)科技有限公司 | Comprehensive seismological system based on MEMS acceleration sensor |
| RU2714861C1 (en) * | 2019-04-24 | 2020-02-19 | Российская Федерация, от имени которой выступает Государственная корпорация по атомной энергии "Росатом" | Method for precise measurement of harmonic oscillations amplitude of ultralow and audible frequencies with strong signal noise |
-
2009
- 2009-01-22 CN CNU2009200037231U patent/CN201368921Y/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103293396A (en) * | 2012-10-31 | 2013-09-11 | 中国矿业大学(北京) | Measuring system and measuring method of standard magnetic field source |
| CN104793239A (en) * | 2015-05-15 | 2015-07-22 | 威亚讯通(北京)科技有限公司 | Comprehensive seismological system based on MEMS acceleration sensor |
| RU2714861C1 (en) * | 2019-04-24 | 2020-02-19 | Российская Федерация, от имени которой выступает Государственная корпорация по атомной энергии "Росатом" | Method for precise measurement of harmonic oscillations amplitude of ultralow and audible frequencies with strong signal noise |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: BEIJING GANGZHEN TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: GANGZHEN ELECTROMECHANICAL TECHNOLOGY CO., LTD. BEIJING Effective date: 20111020 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 100036 HAIDIAN, BEIJING TO: 102628 DAXING, BEIJING |
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| TR01 | Transfer of patent right |
Effective date of registration: 20111020 Address after: 102628, No. 20, No. 1, No. 1-1, Jinxing Road, Daxing District Industrial Development Zone, Beijing, China, 1 to 2 stories Patentee after: Beijing harbour earthquake Polytron Technologies Inc Address before: 100036 Fuxing Road 63, Beijing, Haidian District Patentee before: Beijing Gangzhen Mechanical & Electrical Technology Co., Ltd. |
|
| DD01 | Delivery of document by public notice |
Addressee: Zhao Cong Document name: Notification of Passing Examination on Formalities |
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| ASS | Succession or assignment of patent right |
Owner name: GANGZHEN ELECTROMECHANICAL TECHNOLOGY CO., LTD. BE Free format text: FORMER OWNER: BEIJING GANGZHEN TECHNOLOGY CO., LTD. Effective date: 20120727 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 102628 DAXING, BEIJING TO: 100036 HAIDIAN, BEIJING |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20120727 Address after: 100036 Fuxing Road 63, Beijing, Haidian District Patentee after: Beijing Gangzhen Mechanical & Electrical Technology Co., Ltd. Address before: 102628, No. 20, No. 1, No. 1-1, Jinxing Road, Daxing District Industrial Development Zone, Beijing, China, 1 to 2 stories Patentee before: Beijing harbour earthquake Polytron Technologies Inc |
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| CX01 | Expiry of patent term |
Granted publication date: 20091223 |
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| CX01 | Expiry of patent term |