CN203101659U - Natural electric field multi-path simultaneous sampling and measuring geophysical exploration instrument - Google Patents
Natural electric field multi-path simultaneous sampling and measuring geophysical exploration instrument Download PDFInfo
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- CN203101659U CN203101659U CN2013200541535U CN201320054153U CN203101659U CN 203101659 U CN203101659 U CN 203101659U CN 2013200541535 U CN2013200541535 U CN 2013200541535U CN 201320054153 U CN201320054153 U CN 201320054153U CN 203101659 U CN203101659 U CN 203101659U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A90/00—Technologies having an indirect contribution to adaptation to climate change
- Y02A90/30—Assessment of water resources
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Abstract
The utility model provides a natural electric field multi-path simultaneous sampling and measuring geophysical exploration instrument. A main computer comprising a display device (1), a main control machine (2) and an input device (3) is connected with a geophysical exploration centralized control device (4). The geophysical exploration centralized control device (4) is connected with 2 to n electrodes (5), wherein n is larger than 3. The main control machine (2) is internally provided with a main control circuit, a data storage and export module and a GPS module. The geophysical exploration centralized control device (4) is provided with a channel switching control circuit, a power frequency suppression circuit, a range switching circuit, a pre-stage signal conditioning circuit and a signal acquisition circuit. Through a method of employing multiple paths with complete isolation to carry out sampling and measuring at the same time, a disadvantage that a field source of a natural electric field instrument is not stable is effectively solved, thus the efficiency and precision of detection are greatly raised, and the instrument can be widely applied to quickly search and explore underground water and mineral deposits and even to solve all kinds of engineering geological problems.
Description
Technical field
The utility model relates to the exploration or the Detection Techniques of electric or magnetic, especially natural electric field multichannel while reconnaissance physical prospecting instrument.
Background technology
In the prior art, the physical prospecting technical research is widely used, noticeable based on the technical development of natural electric field geophysical measurement, especially it is in that to have excellent specific property aspect the accuracy of interference free performance and data more outstanding, in the new development that this class constantly obtains technology with through the beginning based on natural electromagnetic field as field source, so the power-supply unit part of heaviness makes that its device is significantly light, quick in the omission conventional art, this also obtains fast popularization with regard to further promotion technology; Yet because natural field source itself has easy variation, unsettled characteristic, prior art must be carried out the work to this to keep measuring accuracy and antijamming capability, still, can not break away from a puzzlement that changes at any time of natural field source so at all.
The utility model content
The purpose of this utility model is to provide a kind of natural electric field multichannel reconnaissance physical prospecting instrument simultaneously, utilizes multichannel technology sampled measurements simultaneously, thereby guarantees the accurate level of geophysical measurement with the instability that overcomes natural electric field.
Realize that the measure of the utility model purpose is: comprise that the principal computer of display device, main control computer and input media is connected with the physical prospecting centralized control equipment, the physical prospecting centralized control equipment is connected with 2-n electrode simultaneously, wherein, n＞3, governor circuit, data storage and derived circuit and GPS module are arranged in the main control computer, have passage control switching circuit, power frequency to suppress circuit, range switch circuit, prime signal conditioning circuit and signal acquisition circuit on the physical prospecting centralized control equipment.
Advantage of the present utility model is, carry out while sampled measurements method by adopting the multiplexer channel of isolating fully, to obtain the consistance of field source, data are accurate, antijamming capability is strong, frequency response range is wide, easy to use, the signal that sends as stable field source in the relative data in later stage is handled and analyzed is used, efficiently solve the unsettled shortcoming of field source of natural electric field quasi-instrument, obtain important breakthrough in actual use, detection efficiency and precision are significantly improved, can be widely used in seeking fast and the exploration underground water source, mineral reserve, even comprise the various engineering geological problems of solution.
Description of drawings
Fig. 1 is a structural representation of the present utility model
Fig. 2 is a work system synoptic diagram in the utility model
Fig. 3 is the electrode 5 modular structure synoptic diagram in the utility model
Fig. 4 is that the hyperchannel in the utility model switches the buffer circuit structural representation
Fig. 5 is the active double T rejector circuit structural representation in the utility model
Fig. 6 is the passive attenuation lattice network figure in the utility model
Fig. 7 is the preposition amplification Principles of Network figure block diagram in the utility model
Fig. 8 is the programme-controlled gain amplifying circuit theory diagram in the utility model
Fig. 9 is the governor circuit block diagram in the utility model
Reference numeral comprises: display device 1, main control computer 2, input media 3, physical prospecting centralized control equipment 4, electrode 5.
Embodiment
Further specify below by way of embodiments and drawings.
The principal computer that comprises display device 1, main control computer 2 and input media 3 is connected with physical prospecting centralized control equipment 4, physical prospecting centralized control equipment 4 is connected with 2-n electrode 5 simultaneously, wherein, n＞3, governor circuit, data storage and derived circuit and GPS module are arranged in the main control computer 2, have passage control switching circuit, power frequency to suppress circuit, range switch circuit, prime signal conditioning circuit and signal acquisition circuit on the physical prospecting centralized control equipment 4.
As shown in Figure 2, system is made up of passage control switching circuit, power frequency inhibition circuit, range switch circuit, prime signal conditioning circuit, signal acquisition circuit, governor circuit, man-machine interface and data storage, derivation module and GPS module.
System respectively measures passage and isolates fully on electric in the utility model, can effectively avoid increasing because of passage, common mode voltage increases and to cause measuring that range diminishes even measurement result is incorrect, and each potential electrode 5 can arrange arbitrarily that on the ground method of synchronization aspect adopts GPS to carry out the precise synchronization of clock.
As shown in Figure 3, electrode 5 is made up of a plurality of positive and negative the two poles of the earth electrode bar, and in order to save electrode bar and stube cable, identical electrode bar and stube cable are realized general.
As shown in Figure 4, passage switches the isolation module that buffer circuit adopts complete electrical isolation, realizes the isolation fully between the passage, is realized the switching of passage by governor circuit.
As shown in Figure 5: for improving the complete machine antijamming capability, power frequency suppresses circuit and adopts the adjustable active double T rejection filter of Q value, and the power frequency of filtering 50Hz and 60Hz is disturbed, and decays to 50dB.
As shown in Figure 6: range switch circuit is made up of attenuation network and preposition amplification network, and wherein, attenuation network adopts the passive capacitive resistor network to realize decay X0.1, X0.01; The active high-precision amplifying of preposition amplification network using is realized the amplification of signal, and enlargement factor is: X20, X50.
As shown in Figure 7, the passive attenuation lattice network is adjusted the adjustment of the resistance realization enlargement factor of RG.
As shown in Figure 8, the prime signal conditioning circuit is according to the power of signal, and self-adaptation is switched corresponding enlargement factor, is divided into 4 enlargement factor X1, X10, X100, X1000.
Show main control circuit and signals collecting, data storage derivation and GPS module as accompanying drawing 9, governor circuit adopts 32 high-performance ARM chip STM32F103, and signal acquisition circuit adopts 16 high precision analogue conversion chip AD8329.The GPS module adopts the high-performance GPS module of being produced by U-BLOX company.
Work system mainly is made up of the input of 1-n paths signal, passage control switching circuit, power frequency inhibition circuit, range switch circuit, prime signal conditioning circuit, signal acquisition circuit, governor circuit, man-machine interface and data storage, derivation module and GPS module in the utility model.Wherein electrode 5 parts in 1-n paths are made up of positive and negative polarities electrode 5, and in order to save electrode 5 and stube cable, identical electrode 5 and stube cable are realized general, so just can still less electrode 5 and stube cable realize more passage, save resource.To the input of the signal in 1-n paths, use high performance 24 △-∑ A/D converter to realize to the feeble signal effective conversion, use high frequency CPU master controller to realize sampled measurements simultaneously, use jumbo hard-disc storage number, the man-machine interface of hommization.Realize that the multiplexer channel of isolation is measured simultaneously fully, signalization detects and follows in each passage, guarantees the time of measurement and the consistance of frequency.Realize that at one time sampling just can solve the shortcoming that natural electromagnetic field changes at any time at all simultaneously, such measurement data is carried out analysis and judgement and just can be realized judging more accurately, overcomes the instable shortcoming of the field source that uses of present natural electromagnetic field class surveying instrument.
The utility model compared with prior art, solve field source the time inconsistency, usable range is wide, data are accurate, antijamming capability is strong, frequency response range is wide, and is easy to use.
Claims (4)
1. natural electric field multichannel reconnaissance physical prospecting simultaneously instrument, it is characterized in that: comprise that the principal computer of display device (1), main control computer (2) and input media (3) is connected with physical prospecting centralized control equipment (4), physical prospecting centralized control equipment (4) is connected with 2-n electrode (5) simultaneously, wherein, n＞3, governor circuit, data storage and derived circuit and GPS module are arranged in the main control computer (2), have passage control switching circuit, power frequency to suppress circuit, range switch circuit, prime signal conditioning circuit and signal acquisition circuit on the physical prospecting centralized control equipment (4).
2. natural electric field multichannel as claimed in claim 1 is reconnaissance physical prospecting instrument simultaneously, it is characterized in that electrode (5) is made up of a plurality of positive and negative the two poles of the earth electrode bar, and identical electrode bar and stube cable are realized general.
3. natural electric field multichannel as claimed in claim 1 is reconnaissance physical prospecting instrument simultaneously, it is characterized in that, power frequency suppresses circuit and adopts the adjustable active double T rejection filter of Q value, and the power frequency of filtering 50Hz and 60Hz is disturbed, and decays to 50dB.
4. natural electric field multichannel as claimed in claim 1 is reconnaissance physical prospecting instrument simultaneously, it is characterized in that, governor circuit adopts 32 high-performance ARM chip STM32F103, and signal acquisition circuit adopts 16 high precision analogue conversion chip AD8329.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013200541535U CN203101659U (en) | 2013-01-31 | 2013-01-31 | Natural electric field multi-path simultaneous sampling and measuring geophysical exploration instrument |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013200541535U CN203101659U (en) | 2013-01-31 | 2013-01-31 | Natural electric field multi-path simultaneous sampling and measuring geophysical exploration instrument |
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| CN203101659U true CN203101659U (en) | 2013-07-31 |
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| CN2013200541535U Expired - Lifetime CN203101659U (en) | 2013-01-31 | 2013-01-31 | Natural electric field multi-path simultaneous sampling and measuring geophysical exploration instrument |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103941293A (en) * | 2014-04-30 | 2014-07-23 | 武汉普瑞通科技有限公司 | Dynamic electricity observing system for natural electric field |
| CN105700025A (en) * | 2016-03-12 | 2016-06-22 | 湖南科技大学 | Detection method and apparatus for underground water runoff |
| CN105866842A (en) * | 2016-03-24 | 2016-08-17 | 刘向红 | Smart electrode system having positioning function and method for positioning same |
| CN105911598A (en) * | 2016-06-28 | 2016-08-31 | 湖南科技大学 | Signal receiver for natural electric field detection |
| CN108287528A (en) * | 2017-12-06 | 2018-07-17 | 莱芜钢铁集团电子有限公司 | A kind of curve display methods that multiple spot is coplanar and device |
| CN111538091A (en) * | 2020-06-16 | 2020-08-14 | 湖南普奇地质勘探设备研究院（普通合伙) | Multi-channel natural electric field collector |
-
2013
- 2013-01-31 CN CN2013200541535U patent/CN203101659U/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103941293A (en) * | 2014-04-30 | 2014-07-23 | 武汉普瑞通科技有限公司 | Dynamic electricity observing system for natural electric field |
| CN105700025A (en) * | 2016-03-12 | 2016-06-22 | 湖南科技大学 | Detection method and apparatus for underground water runoff |
| CN105866842A (en) * | 2016-03-24 | 2016-08-17 | 刘向红 | Smart electrode system having positioning function and method for positioning same |
| CN105911598A (en) * | 2016-06-28 | 2016-08-31 | 湖南科技大学 | Signal receiver for natural electric field detection |
| CN105911598B (en) * | 2016-06-28 | 2018-06-26 | 湖南科技大学 | natural electric field detection signal receiver |
| CN108287528A (en) * | 2017-12-06 | 2018-07-17 | 莱芜钢铁集团电子有限公司 | A kind of curve display methods that multiple spot is coplanar and device |
| CN108287528B (en) * | 2017-12-06 | 2020-02-14 | 莱芜钢铁集团电子有限公司 | Multi-point coplanar curve display method and device |
| CN111538091A (en) * | 2020-06-16 | 2020-08-14 | 湖南普奇地质勘探设备研究院（普通合伙) | Multi-channel natural electric field collector |
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Granted publication date: 20130731 |
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| CX01 | Expiry of patent term |