CN208752223U - More exploration geophysical field signal intelligent acquisition devices - Google Patents

Abstract

The utility model discloses a kind of more exploration geophysical field signal intelligent acquisition devices, it is related to technical field of geophysical exploration, comprising: the operating mode switching circuit that can switch in multiple-working mode, the signal conditioning circuit, analog-digital converter, processor, the communication module, working power that are capable of handling multiple-working mode；The operating mode switching circuit is connect with the signal conditioning circuit, the analog-digital converter, and the processor is connect with the operating mode switching circuit, the analog-digital converter, processor connecting communication module；The working power is connected to the processor.The utility model advantage be intelligent acquisition device can the identical or different physics field signal of parallel acquisition, realize detection method diversification, and can improve explore construction efficiency.

Description

More exploration geophysical field signal intelligent acquisition devices

Technical field

The utility model relates to technical field of geophysical exploration, are more particularly to more exploration geophysical field signal intelligents Acquisition device.

Background technique

Geophysical exploration is widely used in reconnoitring for the resources such as oil gas, mineral products and hydrogeology, engineering geology etc., this It also played an important role in the monitoring and early warning of external all kinds of geological disasters.Geophysical instrument market at present, it is main If classifying according to exploitation method: the V8 such as Canadian phoenix (Phoenix) geophysics company manufacture is multi-functional Electrical method high-density electric instrument, the multi-functional electrical method work station Transient Electromagnetic Apparatus of GDP-32 of Zonge company, the U.S., Canada The PROTEM Transient Electromagnetic Apparatus of Geonics company, DMT company, Germany SUMMIT seismic system etc., these instruments can only all be realized The geophysical prospecting method of one or two kinds of functions is explored.Engineering exploration scene is often more because of the complexity of geological conditions and geophysical prospecting method Xie Xing, single geophysical prospecting method are difficult to determine abnormal, it is therefore desirable to detect with a variety of geophysical prospecting methods to objective body.It is comprehensive Geophysical prospecting method uses a variety of detection methods, can obtain a greater amount of data informations from many aspects, and then to geophysical exploration mesh Target formation condition and feature carry out comprehensive analysis, effectively improve the accuracy and validity of geophysical prospecting informations.Therefore it designs and real Existing a set of multi-method, multichannel, multi-functional multi parameter intallingent acquisition module have great importance in practical investigation and prospecting. Existing physical prospecting equipment can only generally realize wherein 1-2 kind geophysical field exploration, but the instrument of 2 kinds of methods cannot make simultaneously With, need to access different sensors, and 2 kinds of methods need manual switching, therefore the exploration of more geophysical fields need it is complicated A variety of geophysical equipments acquire data respectively, and every kind of method needs rearrange, and construction efficiency is low.

Utility model content

The technical problem to be solved by the utility model is to existing physical field signal pickup assemblies cannot take into account a variety of letters Number parallel acquisition, and multiple acquisition devices cannot be arranged different operating modes and be used in any combination.

The utility model is to solve above-mentioned technical problem by the following technical programs:

More exploration geophysical field signal intelligent acquisition devices, comprising: operating mode switching circuit, signal conditioning circuit, Analog-digital converter, processor, communication module, working power；The processor controls the operating mode switching circuit for signal It is transferred to the input terminal of specified signal conditioning circuit, the operating mode switching circuit switches in multiple-working mode, leads to The input terminal that signal is switched to analog-digital converter by the operating mode switching circuit is crossed, the signal conditioning circuit is received by institute Signal is transferred to analog-digital converter after being handled, and processor, processor are sent to after the processing of the analog-digital converter Connecting communication module；The working power provides power supply for the intelligent acquisition device.

Further, the intelligent acquisition device takes into account active source and passive source.

Further, further includes: position time module, the position time module are connected to the processor.

Further, the working power further includes external power supply module.

Further, the operating mode includes acquisition electrical method, earthquake, transient electromagnetic, Radio Penetration and the earth Any one signal in electromagnetism.

Further, it can be cascaded by wired or wireless way between the intelligent acquisition device.

Further, group is combined into centralized arrangement between the intelligent acquisition device, and centralization arrangement refers to more intelligence Acquisition device concentrates in a cabinet, powers by the way that box house is unified, communication connection between every intelligent acquisition device, often Platform intelligent acquisition device is at least connected with a big line.

Further, the operating mode between the intelligent acquisition device is set as same or different, acquires identical Or different physical field signal.

Further, the communication module selects connection or Ethernet or serial communication or wireless communication mode.

Further, the position time module selects GPS or atomic clock or Beidou or GLONASS or gal benefit Slightly positioning system.

It further, further include memory, buffer, the buffer, memory and processor connect.

Further, the processor selects single-chip microcontroller or DSP or FPGA.

The utility model has the advantage that compared with prior art

The utility model proposes a kind of collection electrical prospecting, seismic prospecting, transient electromagnetic exploration, Radio Penetration exploration and Magneto-electrotelluric exploration can realize that set of device is taken into account in the parallel intelligent acquisition device of more exploration geophysical fields of one, the present apparatus Electrical method, earthquake, five kinds of transient electromagnetic, Radio Penetration and magnetotelluric signals are acquired, realization takes into account active source and passive source The acquisition of signal；When having one physical field of excitation, more geophysical field response signal the parallel combined acquisitions facilitate device Studying corresponding relationship of a variety of geophysical prospecting methods between synchronization, the same excitation physical field has great research significance； Realize detection method diversification, once arrange observation system, by host control intelligent acquisition device realize more field signals and Row acquisition, greatly improves exploration construction efficiency.Same intelligent acquisition device supports the signal of multiple sensors, is being integrated When exploration, time and the efficiency of site layout project observation system can be greatlyd save；Different intelligent acquisition devices can work more Kind acquisition mode, can acquire earthquake and electrical method, transient electromagnetic, radio wave, magnetotelluric data simultaneously, can be to a variety of letters Number carry out any combination data be acquired.

Detailed description of the invention

Fig. 1 is the structural block diagram of more exploration geophysical field signal pickup assemblies of the utility model embodiment one.

Fig. 2 is the circuit diagram of more exploration geophysical field signal pickup assemblies of the utility model embodiment one.

Fig. 3 is that wired mode connects between more exploration geophysical field signal pickup assemblies of the utility model embodiment one It connects.

Fig. 4 is that wireless mode connects between more exploration geophysical field signal pickup assemblies of the utility model embodiment one It connects.

Fig. 5 is the multi-channel output of more exploration geophysical field signal pickup assemblies of the utility model embodiment one.

Fig. 6 is the structural schematic diagram of more exploration geophysical field signal pickup assemblies of the utility model embodiment two.

Fig. 7 is the circuit diagram of more exploration geophysical field signal pickup assemblies of the utility model embodiment two.

Fig. 8 is the circuit diagram of more exploration geophysical field signal pickup assemblies of the utility model embodiment three.

Specific embodiment

It elaborates below to the embodiments of the present invention, the present embodiment before being with technical solutions of the utility model It puts and is implemented, the detailed implementation method and specific operation process are given, but the protection scope of the utility model is unlimited In following embodiments.

Embodiment one:

As shown in Figure 1, more exploration geophysical field signal intelligent acquisition devices, comprising: can be in multiple-working mode The operating mode switching circuit of switching, the signal conditioning circuit for being capable of handling multiple-working mode, analog-digital converter, processor, Communication module, working power；The operating mode switching circuit is connect with the signal conditioning circuit, the analog-digital converter, The processor is connect with the operating mode switching circuit, the analog-digital converter, processor connecting communication module；The work It is connected to the processor as power supply.

Specifically, the processor, which controls the operating mode switching circuit, transfers signals to specified signal condition electricity The input terminal on road, wherein the operating mode switching circuit based on the received operating mode and acquisition parameter in a variety of works Switch in operation mode, the operating mode includes in acquisition electrical method, earthquake, transient electromagnetic, Radio Penetration and magnetotelluric Any one signal, signal is switched to the input terminal of analog-digital converter, the signal tune by operating mode switching circuit Reason circuit is transferred to analog-digital converter after being handled received signal, sends after the processing of the analog-digital converter To processor, the processor is connect with communication module, and can be between control host, sensor and intelligent acquisition device It is communicated；The working power provides power supply for the intelligent acquisition device.Further include: position time module, the position Time module is connect with processor；The working power further includes external power supply module.

Specifically, processor is the control centre of entire acquisition device, controls other modules and orderly work, analog-digital converter For analog signal collected to be converted to digital signal, communication module is used for the hair for assigning and acquiring data of acquisition parameter It send；Signal conditioning circuit is used to acquire the signal-to-noise ratio that filtering, amplification, shaping of signal etc. guarantee signal；Operating mode switching electricity After road receives control host command, it is switched to the input terminal of specified signal conditioning circuit, and signal is switched into analog-to-digital conversion The input terminal of device realizes that electrical method, earthquake, transient electromagnetic, radio wave are saturating to realize the control and acquisition of the passive field of a variety of masters Depending on and five kinds of field signals of magnetotelluric pickup；Working power provides power supply needed for device each section works normally.Wherein, modulus Converter can select the analog-digital converter of high speed, middling speed, low speed type；Position time module is for acquisition time synchronization and position Confidence breath, position time module can select GPS, atomic clock, Beidou, GLONASS, GALILEO positioning system；Processor can Select the processor of single-chip microcontroller, DSP or FPGA type；Communication module can select Ethernet, serial communication or wireless telecommunications side Formula.

Further, the intelligent acquisition device can take into account active source and the acquisition of passive source.Intelligent acquisition device is adopted Collect the response signal of nature field source, as passive source acquisition mode acquisition；Intelligent acquisition device can acquire emitter and swash The acquisition of the field source response signal of hair, as active source.

For example, processor control operating mode switching circuit transfers signals to the input of specified signal conditioning circuit End, for example it is transferred to the input terminal of seismic signal, seismic signal is switched to by analog-digital converter by operating mode switching circuit Input terminal；Again by signal after analog-digital converter is converted, it is transferred to processor, after processor is handled, by communicating mould Block issues other equipment, such as control host, emitter etc..

As shown in Fig. 2, the structural schematic diagram of more exploration geophysical field signal intelligent acquisition devices, operating mode switching electricity Road is connect with signal conditioning circuit, and operating mode switching circuit is connect with analog-digital converter, analog-digital converter, Ethernet, GPS with Processor connection, the signal conditioning circuit includes buffer, filter, trapper, programmable amplifying circuit, limiter, is passed through The connection of device various combination, which can be realized, adjusts unlike signal, wherein buffer 1 connect with filter, filter with it is sunken The connection of wave device, trapper are connect with programmable amplifying circuit 1, form signal conditioning circuit all the way, additionally it is possible to by sunken width device and buffering Device 2 connects, and buffer 2 is connect with programmable amplifying circuit 2, forms signal conditioning circuit all the way.

Wherein, processor selects DSP, DSP to select TMS320C6748 chip；Communication module selects Ethernet, Ethernet choosing With W5300 chip；Position time module selects GPS, GPS to select SKG16A chip；Switch 1 to external sensor for adopting Collect the switching of signal, switch 1 selects analog switch CD4051B chip, buffer 1, buffer 2 to select LF353D, filter choosing It selects F42N50 chip, programmable amplifier 1, programmable amplifier 2 all to select PGA281 chip with MAX297 chip, trapper, limits Width device all selects MM3Z6V2 chip, and switch 2 is that operating mode switching circuit is inputted for signal conditioning circuit and analog-digital converter End selects MPC508A chip, analog-digital converter to select ADS1278 chip.

Specifically, working power is intelligence after the power circuit of more exploration geophysical field signal intelligent acquisition devices powers on Working power required for the modules of energy acquisition device provide, dsp processor work, passes through GPS read access time and position Information simultaneously saves in memory, and intelligent acquisition device receives the instruction that external host acquires electrical method signal by Ethernet, Operating mode switching circuit is switched to signal in the corresponding signal conditioning circuit of electrical method, and operating mode switching circuit turns modulus The input signal of parallel operation is switched in processor, reduces the gain of electrical method circuit, and intelligent acquisition device starts electrical method input signal Enter programmable amplifier by limited amplitude protection, buffer circuit, handled by programmable amplifier, by entering modulus after switching In converter circuit, dsp processor drives the signal numerical value of the data analysis acquisition after analog-digital converter conversion, automatic adjustment electricity The signal-to-noise ratio of road gain raising signal.In the present embodiment, signal conditioning circuit includes buffer 1, filter, trapper, program-controlled Amplifying circuit 1, limiter, buffer 2, programmable amplifying circuit 2 can be realized by electrical combination and adjust to unlike signal, and the 1st Road signal conditioning circuit is that buffer 1 is connect with filter, and filter is connect with trapper, trapper and programmable amplifying circuit 1 Connection, the 8th road signal conditioning circuit are to fall into width device to connect with buffer 2, and buffer 2 is connect with programmable amplifying circuit 2, Qi Taliu Do not have any connection type of concrete restriction in the present embodiment of road, two kinds of connection types can realize signal condition.

There are many forms for connection type between intelligent acquisition device, as shown in figure 3, intelligent acquisition device is carried out by big line Connection forms distributed intelligence acquisition system, and carries out data transmission.As shown in figure 4, by wireless between intelligent acquisition device Mode communicated, can be using the wireless communication modes such as WIFI, bluetooth, respective independence and freedom row between intelligent acquisition device Column, as free arrangement intelligent acquisition system, the big line that the output end of intelligent acquisition device is connected is for connecting sensor dress It sets.As shown in figure 5, group is combined into centralized arrangement between intelligent acquisition device, centralization arrangement refers to more intelligent acquisition device collection In in a cabinet, power by the way that box house is unified, communication connection between every intelligent acquisition device, every intelligent acquisition Device is at least connected with a big line.

To sum up, every intelligent acquisition device synchronization can only acquire a kind of geophysical field, every intelligent acquisition Device can acquire different geophysical fields in different moments, can adopt respectively between more intelligent acquisition devices in synchronization Collect similar and different geophysical field, realizes one or more letters of the above-mentioned five kinds of signals of intelligent acquisition device parallel acquisition Number.There are many different combinations for more intelligent acquisition devices, can be according to exploration environment independent assortment different intelligent acquisition It is convenient, high-efficient to prospect geophysical field for the structure of device.

Embodiment two: the difference of embodiment two and embodiment one is to increase buffer on the basis of example 1, deposit Reservoir.

As shown in fig. 6, the buffer, the memory are all connect with processor.Dsp processor distributes corresponding caching And memory space, the buffer temporarily store the data that the analog-digital converter in processor is converted, the storage Device stores data handled in processor for a long time.

As shown in fig. 7, buffer, memory are all connect with processor, buffer selection IS61WV102416BLL chip, Memory selects N25Q256A13EF840F chip.

Embodiment three: the difference of embodiment three and embodiment one is the structure of circuit inside intelligent acquisition device not phase Together.

As shown in figure 8, more exploration geophysical field signal intelligent acquisition devices, including；Operating mode switching circuit and more The connection of road signal conditioning circuit, multi-channel signal conditioning circuit connect with operating mode switching circuit, operating mode switching circuit and Analog-digital converter circuit connection, analog-digital converter circuit, WIFI, atomic clock and processor connect, processor and memory, caching Device connection.The signal conditioning circuit includes buffer, filter, trapper, programmable amplifying circuit, limiter, passes through device Obstructed combination connection, which can be realized, adjusts unlike signal, wherein connect sunken width device with buffer 1, buffer 1 is put with program-controlled Big circuit 1 connects, and forms signal conditioning circuit all the way；Buffer 2 can also be connect with filter, filter and trapper connect It connecing, trapper is connect with programmable amplifying circuit 2, signal conditioning circuit all the way is formed,

Wherein, processor selects FPGA, FPGA to select EP3C120F484C8N chip；Communication module selects WIFI, WIFI Select HLK-RM08K chip；Position time module selects rubidium clock, and rubidium clock selects LCR-900 chip；Buffer is selected IS61WV102416BLL chip, memory select MT29F64G08AFAAAWP-ITZ chip, and operating mode switching circuit is selected Analog switch CD4097B chip, buffer 1 select MM3Z6V2 chip, buffer 2 to select LF353D chip, and filter is selected MAX297 chip, trapper select F42N50 chip, programmable amplifier 1, programmable amplifier 2 all to select PGA281 chip, clipping Device all selects MM3Z6V2 chip, and switch selects MPC508A chip, analog-digital converter to select ADS1278 chip.

Specifically, working power is that intelligent acquisition device provides power supply after being powered, after FPGA processor work, by leading to News acquisition rubidium clock information, saves into memory, and intelligent acquisition device receives external acquisition seismic signal by wireless WIFI Instruction, is handled, FPGA is to the corresponding caching of memory distribution and memory space, operating mode switching circuit by FPGA processor Signal is switched in corresponding signal conditioning circuit, the signal of input analog-to-digital converter is switched to corresponding signal tune by switch It manages in circuit, the bandpass filtering range of filter is set, whether trapper and programmable amplifier are used by relay setting Gain.After starting acquisition, the signal of acquisition enters by analog switch, buffer, trapper, programmable amplifier, analog switch number It into analog-digital converter, is first stored in buffer by the digital signal of analog-digital converter, is stored in after FPGA is handled In memory, the data fixed form after acquisition is sent by WIFI communication afterwards.

The utility model proposes a kind of collection electrical prospecting, seismic prospecting, transient electromagnetic exploration, Radio Penetration exploration and Magneto-electrotelluric exploration can realize that set of device is taken into account in the parallel intelligent acquisition device of more exploration geophysical fields of one, the present apparatus Acquisition electrical method, earthquake, transient electromagnetic, Radio Penetration and Magnetotelluric signal, realization take into account active source and passive source signal Acquisition；While more geophysical field response signal the parallel combineds acquire, detection method diversification, primary arrangement observation are realized System controls the parallel acquisition that intelligent acquisition device realizes more by host, and detection method diversification greatly improves exploration and applies Work efficiency rate.

The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this Made any modifications, equivalent replacements, and improvements etc., should be included in the utility model within the spirit and principle of utility model Protection scope within.

Claims (10)

1. The signal intelligent acquisition device of exploration geophysical field more than 1. characterized by comprising can be cut in multiple-working mode It is the operating mode switching circuit changed, the signal conditioning circuit for being capable of handling multiple-working mode, analog-digital converter, processor, logical Interrogate module, working power；The operating mode switching circuit is connect with the signal conditioning circuit, the analog-digital converter, institute It states processor to connect with the operating mode switching circuit, the analog-digital converter, processor connecting communication module；The work Power supply is connected to the processor.
2. 2. more exploration geophysical field signal intelligent acquisition devices according to claim 1, which is characterized in that further include: Position time module, the position time module are connected to the processor.
3. 3. more exploration geophysical field signal intelligent acquisition devices according to claim 1, which is characterized in that the work Power supply further includes external power supply module.
4. 4. more exploration geophysical field signal intelligent acquisition devices according to claim 1, which is characterized in that the intelligence Acquisition device include acquisition electrical method unit, acquisition seismic unit, acquisition transient electromagnetic unit, acquisition Radio Penetration unit and Acquire magnetotelluric unit.
5. 5. more exploration geophysical field signal intelligent acquisition devices according to claim 1, which is characterized in that the intelligence It is cascaded between acquisition device by wired or wireless way.
6. 6. more exploration geophysical field signal intelligent acquisition devices according to claim 1, which is characterized in that the intelligence Group is combined into centralized arrangement between acquisition device, and centralization arrangement refers to that more intelligent acquisition devices concentrate in a cabinet, leads to The unified power supply of box house, communication connection between every intelligent acquisition device are crossed, every intelligent acquisition device is at least connected with one Big line.
7. 7. more exploration geophysical field signal intelligent acquisition devices according to claim 1, which is characterized in that the communication Module selects connection or Ethernet or serial communication or wireless communication mode.
8. 8. more exploration geophysical field signal intelligent acquisition devices according to claim 1, which is characterized in that the position Time module selects GPS or atomic clock or Beidou or GLONASS or GALILEO positioning system.
9. 9. more exploration geophysical field signal intelligent acquisition devices according to claim 1, which is characterized in that further include depositing Reservoir, buffer, the buffer, memory and processor connect.
10. 10. more exploration geophysical field signal intelligent acquisition devices according to claim 1, which is characterized in that the place It manages device and selects single-chip microcontroller or DSP or FPGA.