CN207704241U - Airborne geophysical prospecting data acquistion and control system - Google Patents
Airborne geophysical prospecting data acquistion and control system Download PDFInfo
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- CN207704241U CN207704241U CN201820044979.6U CN201820044979U CN207704241U CN 207704241 U CN207704241 U CN 207704241U CN 201820044979 U CN201820044979 U CN 201820044979U CN 207704241 U CN207704241 U CN 207704241U
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Abstract
The utility model is related to a kind of airborne geophysical prospecting data acquistion and control system, structure includes detector, Magnetic Sensor, aviation GPS, Hygrothermograph, barometertic altimeter, radar altimeter, data acquisition and control unit, storage unit, display unit and power supply unit.The utility model can acquire aeromagnetic detection and aeroradiometric survey data, and it can the data such as synchronous acquisition GPS, radar altitude, pressure altitude, humiture, it can be achieved to adjust control in real time to the peak position of airborne gamma spectrometer and to the real-time control for magnetic compensation instrument magnetic compensation process of navigating, have the characteristics that small, light-weight, high degree of automation and easy to operate, the integration for realizing the acquisition of airborne geophysical prospecting data, controlling and storing.The utility model is mainly used in airborne geophysics and reconnoitres, and finds the mineral exploration of metallic ore, oil gas and radioactivity mineral products, it is also possible to execute the tasks such as nuclear emergency aviation monitoring, core anti-terrorism and environmental monitoring.
Description
Technical field
The utility model is related to a kind of airborne geophysical survey system, specifically a kind of airborne geophysical prospecting data acquisition and control
System processed.
Background technology
Airborne geophysical prospecting is a kind of aerogeophysical survey technology integrating new technologies and methods, have efficiently, quickly,
The features such as economic.Main airborne geophysical prospecting method includes aeromagnetic detection, aeroradiometric survey, airborne gravity measurement and aviation electricity
The methods of magnetic survey.The aviation job initiation in China is in the early 1950s, start mainly aeromagnetic detection and aviation is put
Penetrating property measures, and for finding the mineral resources such as magnetic mineral deposit, radioactive occurrence and oil gas field, gradual expanded application is in geology later
Charting, study of gcotectonies, radioactive environment measures and the fields such as Nuclear Accident Emergency monitoring.
The airborne geophysical prospecting apparatus measures data collecting system original adoption in China is simulation paper tape draught machine, will measure number
According to being plotted on paper tape in graph form, by geophysical prospecting technology personnel's working process, finally at figure.The disadvantage is that employment it is more,
Speed is slow, precision is low.
From in the 1980s, successively from America ＆ Canada introduced GR-714 and CDI-7, DAS-8, etc. airborne geophysical prospectings
Measurement data acquisition system belongs to the acquisition system of first generation digital record, they are by main control computer（CPU is 4 or 16
Position）, simulation bound printer, magnetic tape recorder composition.Measurement data is plotted on paper tape in graph form, is led to simultaneously
It crosses digital interface measurement data is recorded in digital form on nine-track tape recorder.Aerogeophysical object-detected technology personnel calculate
Machine processing, Cheng Tu.The disadvantage is that equipment instrument is big, the tape holding time is short, speed is slow.
In the 21st century, has introduced the airborne geophysical prospectings spectral measurement data acquisition system such as MagLog NT, AGIS.They are by one
Platform industrial personal computer forms, and is operated in measurement data record to big capacity hard disk using windows using with no paper working method
System, human-computer dialogue is convenient, and the speed of service is fast.The disadvantage is that equipment instrument is big, easily draws disk.
Since the topographic features in the areas Dai Feice are complex, fixed wing aircraft has been unable to meet airborne geophysical prospecting production operation
It needs, is gradually increased using helicopter to carry out the demand of airborne geophysical prospecting operation.Mainly gone straight up to using AS350B3 types winged in the country
Machine, the helicopter have many advantages, such as that load-carrying ability is big, and Performance on Plateau is good；But that there are aircraft cabin inner heights is low, length is short, space
The deficiencies of narrow.Existing airborne geophysical survey system is designed for fixed wing aircraft, and occupied space is larger, can not install
On AS350B3 helicopters.
Utility model content
The purpose of this utility model is just to provide a kind of airborne geophysical prospecting data acquistion and control system, to solve existing aviation
Physical prospecting spectral measurement data acquisition system because occupied space is big can not be installed and used on AS350B3 helicopters the problem of.
The utility model is realized in this way：A kind of airborne geophysical prospecting data acquistion and control system, including：
Detector is connected by network interface with data acquisition and control unit, the radiated signal for measuring aerial survey region；
Magnetic Sensor is connected by serial line interface with data acquisition and control unit, the earth magnetism for acquiring aerial survey region
Field signal；
Aviation GPS is connected by serial line interface with data acquisition and control unit, residing position when for acquisition system work
Height, longitude and latitude and the time data set；
Hygrothermograph is connected by cable with data acquisition and control unit, present position when for acquisition system work
Temperature and humidity data；
Barometertic altimeter is connected by cable with data acquisition and control unit, residing position when for acquisition system work
The atmospheric pressure data set；
Radar altimeter is connected by cable with data acquisition and control unit, residing position when for acquisition system work
Set the altitude information to ground；
Data acquisition and control unit, respectively with detector, Magnetic Sensor, aviation GPS, Hygrothermograph, barometertic altimeter,
Radar altimeter, display unit and storage unit connect, the data for receiving above-mentioned each sensor acquisition, and are carried out to data
Processing analysis, meanwhile, the work of above-mentioned each sensor is controlled by sending instruction；
Storage unit connects with the data acquisition and control unit, the data for real-time memory system acquisition；
Display unit connects with the data acquisition and control unit, is used for the various data of display system acquisition and leads to
The curve graph of data formation is crossed, and
Power supply unit provides working power for each part mentioned above.
The data acquisition and control unit includes central processing unit, network interface card, serial ports board and analog data acquisition plate；It is logical
It crosses and sends high pressure and Gain tuning order to detector to adjust the photomultiplier high pressure stored on electronic unit in detector
The peak position for adjust power spectrum in real time with gain parameter ensures that the spectrum curve peak position of detector output is normal.
The data acquisition and control unit controls the work of Magnetic Sensor by sending control command to Magnetic Sensor
Pattern to directly control the operating mode of Magnetic Sensor in data acquistion and control system, and analyzes data in real time.
The utility model can acquire aeromagnetic detection and aeroradiometric survey data, and can synchronous acquisition GPS, radar height
The data such as degree, pressure altitude, humiture, it can be achieved that adjusting control to the peak position of airborne gamma spectrometer and being mended to boat magnetic in real time
Repay the real-time control of instrument magnetic compensation process.The utility model has small, light-weight, high degree of automation and easy to operate etc.
Feature can be applied to the different platforms such as fixed wing aircraft, helicopter and unmanned plane, the measurement small especially suitable for inner space
Platform.
The utility model is made of data acquisition system and control system, realize airborne geophysical prospecting data acquisition, control and
The integration of storage makes airborne geophysical survey system realize miniaturization, lightness, improves the degree of automation.
The utility model is mainly used in airborne geophysics and reconnoitres, and finds the mine of metallic ore, oil gas and radioactivity mineral products
Production is reconnoitred, it is also possible to execute the tasks such as nuclear emergency aviation monitoring, core anti-terrorism and environmental monitoring.
The utility model has the characteristics that：
1, the integration for realizing airborne geophysical prospecting instrument data acquisition and control system, reduces system bulk, reduces
Weight.
2, the real-time adjustment control to the detector for airborne gamma-ray spectrometry is realized, ensures Airborne gamma energy spectrum
Peak position moment normal condition.
3, the operational mode state of Magnetic Sensor can be controlled, and on the display unit quickly when carrying out magnetic compensation flight
Show magnetic compensation result.
4, display interface is shown using graph curve, and interpersonal interactivity is good, easily operated.
5, the Airborne gamma energy spectrum data acquired optional 256,512 and 1024, sample frequency 1Hz, data
Type includes power spectrum window data and full modal data.The sample frequency of magnetic data is 10Hz.
6, instruction and data transmission is carried out by Ethernet between data acquisition and control unit.
7, data storage is stored using solid state disk.
8, it is suitable for the different platforms such as fixed wing aircraft, helicopter and unmanned plane.
Description of the drawings
Fig. 1 is the circuit block diagram of the utility model.
Fig. 2 is the circuit diagram of prober interface.
Fig. 3 is the signal conditioning circuit diagram of analog data acquisition plate.
Fig. 4 is the circuit diagram of power supply unit.
Specific implementation mode
As shown in Figure 1, the utility model includes mainly detector, Magnetic Sensor, aviation GPS, Hygrothermograph, pressure altitude
The parts such as meter, radar altimeter, power supply unit, data acquisition and control unit, storage unit and display unit.
Detector is for measuring radiated signal（Including power spectrum window data and full modal data）Sensor, to be expansible
Structure is by NaI (TI) crystal, photomultiplier（PMT）, signal amplifier, pulse-height analyzer and data buffer etc.
Component forms.The network interface card that detector passes through cable and network interface connection to data acquisition and control unit（RJ45 interfaces）On.
Magnetic Sensor is the sensor for locality magnetic field signal, is by portions such as magnetic probe, magnetic compensation instrument and fluxgates
Part forms.Magnetic Sensor passes through serial line interface（RS-232 interface）It is connected on the serial ports board of data acquisition and control unit.
Aviation GPS is the sensor of the data such as height, longitude and latitude and time for acquisition system work present position.Aviation GPS is logical
Cross serial line interface（RS-232 interface）It is connected on the serial ports board of data acquisition and control unit.
Hygrothermograph is the sensor of the data such as temperature and humidity of present position when working for acquisition system.Humiture
Meter passes through in cable connection to the analog data acquisition plate of data acquisition and control unit.Barometertic altimeter is to be used for acquisition system
The sensor of the atmospheric pressure data of present position when work.Barometertic altimeter passes through cable connection to data acquisition and control list
On the analog data acquisition plate of member.Radar altimeter be when working for acquisition system present position to the height on ground（It is
System terrain clearance）The sensor of data.The analogue data that radar altimeter passes through cable connection to data acquisition and control unit
On collection plate.
Data acquisition and control unit includes central processing unit, network interface card（It is not shown）, serial ports board and analog data acquisition
The component parts such as plate are specifically developed using the airborne industrial personal computer of high-performance as platform, and operating voltage VDC28V, data are adopted
Collect plate and use cpci bus structure, there is good shock resistance and heat sinking function.Data acquisition and control unit is for receiving
The various data of each sensor acquisition are stated, and processing analysis is carried out to data.Meanwhile data acquisition and control unit also passes through hair
It loses one's life order, controls the operating mode of above-mentioned each sensor.
Display unit uses KVM integration displays, and data acquisition and control unit is connected to by VGA standard interface
On, the curve graph of various data and data formation for display system acquisition.Storage unit uses solid state disk, passes through SATA
Interface is connected to data acquisition and control unit, the data for real-time memory system acquisition.
Power supply unit to system sensor and data acquisition unit storage unit, display unit and each sensor for carrying
For working power.Power input is VDC28V, the VDC28V power supplys of input after DC/DC is converted, respectively offer ± 5V, ±
The low-tension supply of 12V and+28V gives system each circuit module, provides photomultiplier transit of the high voltage power supply to detector of 600 ~ 1500V
Pipe（PMT）Work.
Data acquisition and control unit is adjusted electric in detector by sending high pressure and Gain tuning order to detector
The photomultiplier stored on subelement（PMT）High pressure and gain parameter to adjust the peak position of power spectrum in real time, ensure that detector is defeated
The spectrum curve peak position gone out is normal.
When carrying out boat magnetic compensation flight, data acquisition and control unit is controlled by sending control command to Magnetic Sensor
The operating mode of Magnetic Sensor processed makes instrumentation person that can directly control the work of Magnetic Sensor in data acquistion and control system
Operation mode, and data are analyzed in real time.
As shown in Fig. 2, prober interface circuit includes six interfaces such as J1-J6, it to be used for Detector and data acquisition and control
Power supply, data and instruction exchange between unit processed etc..J1 is three core aviation plugs in data acquisition and control unit, is used for
VDC28V power supplys are provided to detector；J2 is the RJ45 interfaces in data acquisition and control unit, for exchanging number with detector
According to, instruction；J3 is the eight core aviation plugs of connection detector one end on cable, and for powering and carrying out data, instruction exchanges；J4
For eight core aviation plugs on detector, for connecting power supply and cable；J5 is power supply interface on electronic unit in detector；J6
For RJ45 interfaces on electronic unit in detector.
As shown in figure 3, analog data signal modulate circuit carries out for realizing the analog data signal acquired to sensor
Conditioning conversion, becomes collectable level signal.Include mainly signal attenuation network circuit and operational amplification circuit.J10 is DB-
9 interfaces are used for the signal of receiving sensor；J7 is 68 needle interfaces of CPCI, for receiving analog signal；J9 is DB-25 connection mouth,
For output signal.
As shown in figure 4, power circuit supplies for realizing to the power supply of whole system.J13 is power input interface；U1 and
U2 is DC/DC modules, realizes the conversion of different voltages；J11, J12 and J14 are power output interface, and different marks are provided for system
Accurate power supply.
Claims (3)
1. a kind of airborne geophysical prospecting data acquistion and control system, characterized in that including：
Detector is connected by network interface with data acquisition and control unit, the radiated signal for measuring aerial survey region；
Magnetic Sensor is connected by serial line interface with data acquisition and control unit, and the earth's magnetic field for acquiring aerial survey region is believed
Number；
Aviation GPS is connected by serial line interface with data acquisition and control unit, present position when for acquisition system work
Highly, longitude and latitude and time data；
Hygrothermograph is connected by cable with data acquisition and control unit, the temperature of present position when for acquisition system work
Degree and humidity data；
Barometertic altimeter is connected by cable with data acquisition and control unit, present position when for acquisition system work
Atmospheric pressure data；
Radar altimeter is connected by cable with data acquisition and control unit, and present position is arrived when working for acquisition system
The altitude information on ground；
Data acquisition and control unit, respectively with detector, Magnetic Sensor, aviation GPS, Hygrothermograph, barometertic altimeter, radar
Altimeter, display unit and storage unit connect, the data for receiving above-mentioned each sensor acquisition, and handle data
Analysis, meanwhile, the work of above-mentioned each sensor is controlled by sending instruction；
Storage unit connects with the data acquisition and control unit, the data for real-time memory system acquisition；
Display unit connects with the data acquisition and control unit, and the various data acquired for display system are simultaneously shown logical
Cross the curve graph of data formation；And
Power supply unit provides working power for each part mentioned above.
2. airborne geophysical prospecting data acquistion and control system according to claim 1, characterized in that the data acquisition and control
Unit processed includes central processing unit, network interface card, serial ports board and analog data acquisition plate；By sending high pressure and gain to detector
Adjustment order adjusts power spectrum in real time to adjust the photomultiplier high pressure stored on electronic unit in detector and gain parameter
Peak position, ensure detector output spectrum curve peak position it is normal.
3. airborne geophysical prospecting data acquistion and control system according to claim 1, characterized in that the data acquisition and control
Unit processed controls the operating mode of Magnetic Sensor by sending control command to Magnetic Sensor, in data acquisition and control system
The operating mode of Magnetic Sensor is directly controlled on system, and analyzes data in real time.
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| CN201820044979.6U CN207704241U (en) | 2018-01-11 | 2018-01-11 | Airborne geophysical prospecting data acquistion and control system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110488341A (en) * | 2019-09-06 | 2019-11-22 | 江西核工业测绘院 | A kind of integrated laser surveys high unmanned plane spectral measurement system |
| CN111028377A (en) * | 2019-11-22 | 2020-04-17 | 深圳供电局有限公司 | Inspection system of power transmission line and transmission method of inspection data |
-
2018
- 2018-01-11 CN CN201820044979.6U patent/CN207704241U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110488341A (en) * | 2019-09-06 | 2019-11-22 | 江西核工业测绘院 | A kind of integrated laser surveys high unmanned plane spectral measurement system |
| CN111028377A (en) * | 2019-11-22 | 2020-04-17 | 深圳供电局有限公司 | Inspection system of power transmission line and transmission method of inspection data |
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