CN201340457Y - General-purpose seismic data collecting and recording device - Google Patents
General-purpose seismic data collecting and recording device Download PDFInfo
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- CN201340457Y CN201340457Y CNU2009200037227U CN200920003722U CN201340457Y CN 201340457 Y CN201340457 Y CN 201340457Y CN U2009200037227 U CNU2009200037227 U CN U2009200037227U CN 200920003722 U CN200920003722 U CN 200920003722U CN 201340457 Y CN201340457 Y CN 201340457Y
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Abstract
The utility model relates to a general-purpose seismic data collecting and recording device, which comprises an amplifying unit, an analogue/digital conversion unit, a data processing and signal processing unit, a GPS time service system, a network and serial communication unit, a storage unit, a power supply and a peripheral interface circuit, wherein the amplifying unit is used for connecting the signal output end of a seismic sensor, the analogue/digital conversion unit is connected with a pre-amplifying unit and converts analogue signals which pass through the pre-amplifying unit into digital signals, the data processing and signal processing unit comprises a central processing module and is connected with the analogue/digital conversion unit, and the GPS time service system is connected with the data processing and signal processing unit. The general-purpose seismic data collecting and recording device can realize the aims of big dynamic range, small null drift, high accuracy and very stable frequency characteristic, supports the high capacity data storing function and the network communication function, has low designed power consumption, and can satisfy the observing requirements of seismometry, strong earthquake and a majority of precursory items, and is suitable for observation of fixed stations and mobile observation.
Description
Technical field
The utility model belongs to seismic data acquisition device, is specifically related to a kind of high-resolution general earthquake data acquisition pen recorder.
Background technology
In seismic observation system, sensor and data acquisition have very consequence, and its technical feature has directly determined the quality of observation data.Seismological observation comprises to be surveyed shake and has the multiple precursor observation of surveying item, corresponding therewith, at present each surveys its technical merit of data acquisition equipment of using, technical scheme, the function that provides has nothing in common with each other, has significant difference, this species diversity also embodies on the data of gathering, and influences the comparative analysis and the research of the observation data of dissimilar, different model.
Earthquake and omen sensor are to obtain relatively effectively means of geological data observation at present, though some practical applications are also arranged at present, because the physical quantity of earthquake and precursor observation is different, so the data acquisition equipment difference.Seismograph is the key equipment of earthquake observation, ripe instrument has been arranged in practical application at present.Seismograph generally comprises seismic sensor, 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 seismic sensor and these two supporting uses of relatively independent instrument combination of data acquisition unit, to obtain required observation data.
With survey seismic phase seemingly, the precursor observation instrument generally also is made up of sensor and data acquisition unit, the omen sensor is converted to electric signal with observed quantity, data cell then with the seismic data collector functional similarity, the data acquisition technology of therefore surveying shake and omen can intercommunication.
The observation method of precursor observation is abundant, the observed quantity content is many, therefore sensor is of a great variety, the technical indicator of various kinds of sensors and the data content of output and form all are not quite similar, precursor observation lacks unified data acquisition platform at present, and AD data acquisition and memory communicating unit separately cause the digital quantity sampling and the output definition standard disunity of precursor data collection, increase the complicacy that data are used, caused very big difficulty for the exchange of management of data.
The power consumption of at present ripe seismic sensor of using and data acquisition unit is respectively all greater than 1W, have in addition more than 3W.The precursor observation instrument generally separates AD data acquisition and storage, adopts standard industry control single card microcomputer to control as data storage, and power consumption is big, generally all more than 5W.The power consumption of above data acquisition instrument is difficult to satisfy power consumption is required relatively harsher mobile observation, can not satisfy the requirement of the low-power consumption of submarine earthquake observation especially at all.
The utility model content
The utility model provides a kind of general earthquake data acquisition pen recorder, can reach the purpose that dynamic range is big, zero point drift is little, accuracy is high, frequency characteristic is very stable, and support Large Volume Data store function and network communicating function, its design is low in energy consumption, can satisfy and survey the observation requirement that shake, macroseism and most of omen are surveyed item, both can be applicable to fixed station observation, also can be used for mobile observation.
The technical scheme that the utility model adopted is as follows:
A kind of general earthquake data acquisition pen recorder is characterized in that described general earthquake data acquisition pen recorder comprises:
Pre-amplifier unit is used to connect the signal output part of seismic sensor;
AD conversion unit connects pre-amplifier unit, will be converted to digital signal via the analog voltage signal of pre-amplifier unit;
Data processing and signal processing unit comprise a central processing module, connect AD conversion unit;
The GPS time dissemination system connects described data processing and signal processing unit; And
Network and serial communication unit;
Storage unit;
Power supply and peripheral interface circuit.
Concretely, described pre-amplifier unit is the pre-amplification circuit of a coupling different sensors output signal.
Described AD conversion unit comprises the analog digital conversion chip, and this AD conversion unit connects data processing and signal processing unit by the PLD interface.
Described GPS time dissemination system comprises GPS time service module and clock circuit.
Described network and serial communication unit pack includes network interface, serial communication interface.
Described storage unit comprises SD storage card, Flash storer and/or the mobile synchronous dynamic random access memory of record acquisition data.
Described power supply and peripheral interface circuit comprise external power supply and power source conversion control module, and described external power supply is independently isolated the DC/DC transducer with the power source conversion control module by many groups and linked to each other with the analog-and digital-circuit of this data acquiring and recording device.
Described general earthquake data acquisition pen recorder comprises a housing, be equiped with display screen, control button and LED light on the housing, described display screen, control button are connected with data processing and signal processing unit communication by serial display module/LED/ control key switch module with the LED display lamp.
Described housing is provided with input and data-out port, comprises the power input mouth, GPS time signal input port, sensor signal input port, network and serial communication port.
The one memory activity top cover that is used to change storage unit is set on the described housing.
This general earthquake data acquisition pen recorder uses cmos device as far as possible in design; Adopt 1.8V, 3V or 5V single power supply chip; Digital circuit adopts the work clock of extremely low frequency as far as possible, and reduces the idle power consumption of acquisition and recording device as far as possible.Guarantee that it possesses complete functions such as high-accuracy data acquisition, mass data storage, fast data access control.The hardware platform of data acquisition and signal processing unit operation adopts the CPU (central processing unit) of ARM technology, and software platform adopts the Linux embedded OS, the hardware and software platform unanimity, and convenient is different different application software and the interface specifications of sensor customization.Improve the interface specification compatibility of Universal Digital Collecting Equipment greatly to different sensors input signal and data output.
The volume of this general earthquake data acquisition pen recorder is little, and is in light weight, is fit to be designed to integrated, portable digital observation instrument with all kinds of vibration detection and the organic integration of omen sensor.Acquisition and recording device after adopting unified interface integrated has general data transmission and access interface standard, is beneficial to data sharing.This acquisition and recording device is low in energy consumption simultaneously, and the system battery configuration is more economical, can be used for the integrated practicability development of quickening submarine seismograph and accurate controlled man-made explosion vibration detection device based on this acquisition and recording device.
The beneficial effects of the utility model are, this general earthquake data acquisition pen recorder can reach the purpose that dynamic range is big, zero point drift is little, accuracy is high, frequency characteristic is very stable, and support Large Volume Data store function and network communicating function, its design is low in energy consumption, can satisfy and survey the observation requirement that shake, macroseism and most of omen are surveyed item, both can be applicable to fixed station observation, also can be used for mobile observation.
Description of drawings
Fig. 1 is the framework synoptic diagram of the utility model embodiment;
Fig. 2 is the external structure synoptic diagram of the utility model embodiment.
Embodiment
As shown in Figure 1, this general earthquake data acquisition pen recorder comprises:
Pre-amplifier unit is used to connect the signal output part of seismic sensor; This pre-amplifier unit is the pre-amplification circuit of a coupling different sensors output signal.Can select the amplitude output signal of the operational amplifier coupling different sensors that noise is little, antijamming capability is strong.
AD conversion unit adopts 24 A/D to gather, and the analog-digital converter chip with high resolution, great dynamic range is to guarantee the overall objective of this acquisition and recording device.This AD conversion unit connects pre-amplifier unit, will be converted to digital signal via the analog voltage signal of pre-amplifier unit, transmits by the PLD interface then and is connected to data processing and signal processing unit.
Data processing and signal processing unit comprise a CPU (central processing unit), and this unit adopts the AT91RM9200 single-chip microcomputer, and this CPU (central processing unit) connects AD conversion unit;
The GPS time dissemination system comprises GPS time service module and clock circuit, is connected in central processing module; This independently can guarantee each observation station timing tracking accuracy in the time service unit
Network and serial communication unit; Comprise network interface, serial ports/422/485 interface and serial LCD module/LED/ control key switch interface,
Storage unit; The SD storage card, 16M Nor Flash storer and the 64MBMobile SDRAM that comprise the record acquisition data move synchronous dynamic random access memory.
Power supply and peripheral interface circuit, external power supply is independently isolated the DC/DC transducer with the power source conversion control module by many groups and is linked to each other with the analog-and digital-circuit of this data acquiring and recording device.
As shown in Figure 2, the signal of this general geological data seismic sensor comprises a housing, be equiped with LCD display 21, control button 22 and LED light 23 on the housing, LCD display, control button are connected with data processing and signal processing unit communication by serial display module/LED/ control key switch module with the LED display lamp.Housing is provided with input and data-out port, comprises power input mouth 28, GPS time signal input port 26, sensor signal input port 25, network and serial communication port 27.The one memory activity top cover 24 that is used to change storage unit is set on the housing end face.
Claims (10)
1. general earthquake data acquisition pen recorder is characterized in that described general earthquake data acquisition pen recorder comprises:
Pre-amplifier unit is used to connect the signal output part of seismic sensor;
AD conversion unit connects pre-amplifier unit, will be converted to digital signal via the analog voltage signal of pre-amplifier unit;
Data processing and signal processing unit comprise a central processing module, connect AD conversion unit;
The GPS time dissemination system connects described data processing and signal processing unit; And
Network and serial communication unit;
Storage unit;
Power supply and peripheral interface circuit.
2. general earthquake data acquisition pen recorder according to claim 1 is characterized in that described pre-amplifier unit is the pre-amplification circuit of a coupling different sensors output signal.
3. general earthquake data acquisition pen recorder according to claim 1 is characterized in that described AD conversion unit comprises the analog digital conversion chip, and this AD conversion unit connects data processing and signal processing unit by the PLD interface.
4. general earthquake data acquisition pen recorder according to claim 1 is characterized in that described GPS time dissemination system comprises GPS time service module and clock circuit.
5. general earthquake data acquisition pen recorder according to claim 1 is characterized in that described network and serial communication unit pack includes network interface, serial communication interface.
6. general earthquake data acquisition pen recorder according to claim 1 is characterized in that described storage unit comprises SD storage card, Flash storer and/or the mobile synchronous dynamic random access memory of record acquisition data.
7. general earthquake data acquisition pen recorder according to claim 1, it is characterized in that described power supply and peripheral interface circuit comprise external power supply and power source conversion control module, described external power supply is independently isolated the DC/DC transducer with the power source conversion control module by many groups and is linked to each other with the analog-and digital-circuit of this data acquiring and recording device.
8. general earthquake data acquisition pen recorder according to claim 1, it is characterized in that described general earthquake data acquisition pen recorder comprises a housing, be equiped with display screen, control button and LED light on the housing, described display screen, control button are connected with data processing and signal processing unit communication by serial display module/LED/ control key switch module with the LED display lamp.
9. general earthquake data acquisition pen recorder according to claim 8, it is characterized in that described housing is provided with input and data-out port, comprise the power input mouth, GPS time signal input port, sensor signal input port, network and serial communication port.
10. general earthquake data acquisition pen recorder according to claim 8 is characterized in that being provided with on the described housing memory activity top cover that is used to change storage unit.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2009200037227U CN201340457Y (en) | 2009-01-22 | 2009-01-22 | General-purpose seismic data collecting and recording device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2009200037227U CN201340457Y (en) | 2009-01-22 | 2009-01-22 | General-purpose seismic data collecting and recording device |
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| CN201340457Y true CN201340457Y (en) | 2009-11-04 |
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| CNU2009200037227U Expired - Lifetime CN201340457Y (en) | 2009-01-22 | 2009-01-22 | General-purpose seismic data collecting and recording device |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102012518A (en) * | 2010-11-25 | 2011-04-13 | 北京建筑工程学院 | Intrinsically-safe 24-bit seismic data acquisition circuit board |
| CN102466811A (en) * | 2010-11-03 | 2012-05-23 | 北京科若思技术开发有限公司 | Micro-earthquake monitoring system and method |
| CN102809759A (en) * | 2012-07-24 | 2012-12-05 | 合肥国为电子有限公司 | Geophysical exploration data acquisition station |
| CN103226207A (en) * | 2012-01-25 | 2013-07-31 | 英洛瓦(天津)物探装备有限责任公司 | Analog in power supply module |
| CN108761527A (en) * | 2018-08-06 | 2018-11-06 | 中国地震局地壳应力研究所 | A kind of communication system and method based on GEM-90F magnetometers |
| CN109738941A (en) * | 2019-01-29 | 2019-05-10 | 大连大学 | A kind of STRONG MOTION DATA acquisition system based on wireless technology |
| CN110109157A (en) * | 2019-06-12 | 2019-08-09 | 中国地震局地震预测研究所 | A kind of B code generating unit and device |
| WO2021022881A1 (en) * | 2019-08-06 | 2021-02-11 | 深圳面元智能科技有限公司 | Auxiliary parameter recording instrument |
-
2009
- 2009-01-22 CN CNU2009200037227U patent/CN201340457Y/en not_active Expired - Lifetime
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102466811A (en) * | 2010-11-03 | 2012-05-23 | 北京科若思技术开发有限公司 | Micro-earthquake monitoring system and method |
| CN102466811B (en) * | 2010-11-03 | 2013-08-14 | 北京科若思技术开发有限公司 | Micro-earthquake monitoring system and method |
| CN102012518A (en) * | 2010-11-25 | 2011-04-13 | 北京建筑工程学院 | Intrinsically-safe 24-bit seismic data acquisition circuit board |
| CN102012518B (en) * | 2010-11-25 | 2013-07-10 | 北京建筑工程学院 | Intrinsically-safe 24-bit seismic data acquisition circuit board |
| CN103226207A (en) * | 2012-01-25 | 2013-07-31 | 英洛瓦(天津)物探装备有限责任公司 | Analog in power supply module |
| CN103226207B (en) * | 2012-01-25 | 2017-11-10 | 英洛瓦(天津)物探装备有限责任公司 | Simulation in power module |
| CN102809759A (en) * | 2012-07-24 | 2012-12-05 | 合肥国为电子有限公司 | Geophysical exploration data acquisition station |
| CN102809759B (en) * | 2012-07-24 | 2014-09-24 | 合肥国为电子有限公司 | Geophysical exploration data acquisition station |
| CN108761527A (en) * | 2018-08-06 | 2018-11-06 | 中国地震局地壳应力研究所 | A kind of communication system and method based on GEM-90F magnetometers |
| CN109738941A (en) * | 2019-01-29 | 2019-05-10 | 大连大学 | A kind of STRONG MOTION DATA acquisition system based on wireless technology |
| CN110109157A (en) * | 2019-06-12 | 2019-08-09 | 中国地震局地震预测研究所 | A kind of B code generating unit and device |
| WO2021022881A1 (en) * | 2019-08-06 | 2021-02-11 | 深圳面元智能科技有限公司 | Auxiliary parameter recording instrument |
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Owner name: BEIJING GANGZHEN TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: GANGZHEN ELECTROMECHANICAL TECHNOLOGY CO., LTD. BEIJING Effective date: 20111013 |
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Free format text: CORRECT: ADDRESS; FROM: 100036 HAIDIAN, BEIJING TO: 102628 DAXING, BEIJING |
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Effective date of registration: 20111013 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. |
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Owner name: GANGZHEN ELECTROMECHANICAL TECHNOLOGY CO., LTD. BE Free format text: FORMER OWNER: BEIJING GANGZHEN TECHNOLOGY CO., LTD. Effective date: 20120717 |
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Free format text: CORRECT: ADDRESS; FROM: 102628 DAXING, BEIJING TO: 100036 HAIDIAN, BEIJING |
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Effective date of registration: 20120717 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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