CN2439035Y - Combined circuits integration for collecting subsea and earth electromagnetic signals - Google Patents
Combined circuits integration for collecting subsea and earth electromagnetic signals Download PDFInfo
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- CN2439035Y CN2439035Y CN 00254526 CN00254526U CN2439035Y CN 2439035 Y CN2439035 Y CN 2439035Y CN 00254526 CN00254526 CN 00254526 CN 00254526 U CN00254526 U CN 00254526U CN 2439035 Y CN2439035 Y CN 2439035Y
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Abstract
The utility model relates to combined circuit integration for collecting sub-sea and ground electromagnetic signals, a fixing support of combinational circuit collection is arranged in a half space of a bearing cabin sealing hollow cavity. The fixing support is in parallel supporting arrangement with a circuit board, and a set of directing lines for inputting and outputting signal are communicated between the circuit boards. The parallel supporting circuit board is provided with four electronic circuit parts which are a large amplifying circuit part which pre-amplifies the input electricity and magnetic field signals; a digital circuit part of digital to analogue conversion, a data storage and treating circuit part and an auxiliary parameter counting circuit part. The combined circuit integration can accomplish the processes of collecting, data processing, storing and display working of the electromagnet signals under the sea and ground, the utility model can lead the parameter detection quantity in deep seabed to be more accurate and rapid, and detection range is wider.
Description
The utility model belongs to Marine Geology detection instrument field, specially refers to a kind of combination circuit device of gathering sea-floor magnetotelluric signal.
For oil and the various mineral reserve of surveying the benthos underground distribute and reserves, China Marine Geology worker is for a long time at boundless big marine means and the conventional geophysical prospecting equipment that utilizes various physical detectings, grope each physical parameter of surveying with individual event, gathering the ocean the earth, this traditional equipment is difficult to survey more wide region and the more accurate parameter value in the marine site of deep layer difficultly.Along with advanced person's scientific exploration The Application of Technology, make the wider, darker of image data, and also raising, perfect day by day of the accuracy of the degree of accuracy of Geophysical parameters collection and data processing.Up to now, utilize high-tech means that the electromagnetic parameter in seabed is carried out the development of detection instrument, our country also is in the starting stage, and western countries yet are in the development stage.Utilize electricity, magnetic information to survey the large-scale instrument and equipment of seabed precious deposits, not only need expensive foreign exchange just can purchase, main is that these main equipments are not suitable for the concrete condition of the existing hydrospace detection of China.For the needs that China's Marine Geology is surveyed, have to develop voluntarily a kind of suitable China and measure the sea-floor magnetotelluric signal acquisition equipment that boats and ships use, and this overall planning has been listed in the 863 Program of national economic development.The design is as the combinational circuit acquisition means in the signals collecting equipment, be exactly at one in this overall planning problem independently, the combination of circuits device that this is whole, to be placed on that " in the pressure-bearing cabin of the agent structure of five component electricity, magnetic signal collection equipment or 2 component electrical signal collections equipment, the latter all has patented claim to propose in addition.This combination of circuits device will utilize computing machine to be instrument, gather electricity, the magnetic signal data are handled, and deposit in the computing machine and see off standby.Traditional physical prospecting instrument does not also have so more advanced computer data processing unit, thus still develop the combinational circuit of similarly gathering electricity, magnetic signal, but thereby there is not an object of reference yet.
The purpose of this utility model, be to reach data processing efficiently for the collection of darker, wider marine site being carried out seabed the earth electricity, magnetic signal, be difficult to accurately, fast measure the more parameter at deep layer and broader seabed place in order to overcome traditional in the past geophysical prospecting equipment, and redesigned the combinational circuit collection of gathering sea-floor magnetotelluric signal.
The utility model relies on following technical proposals to realize, a kind of combinational circuit collection of gathering sea-floor magnetotelluric signal, in the pressure-bearing cabin of device overall fixed in marine magnetotelluric signals collecting equipment, it is characterized in that, the locational space of half is installed with the fixed mount of combinational circuit collection in the sealed cavity in cylindrical shape pressure-bearing cabin, and second half locational space is installed with the power supply that the work of combinational circuit collection is provided; Supporting circuit board abreast on the combinational circuit collection fixed support, the lead that is being communicated with one group of signal feed-in between circuit board and is feeding out, the feed-in conductor wire end links to each other with electric-field sensor assembly, magnetic field sensor assembly in being fixed on electromagnetic signal acquisition equipment agent structure; Feed out conductor wire end and be connected to pressure-bearing data processing and display part out of my cabin by PC104 card-computer plate; Described parallel circuit supported plate is furnished with 4 portions of electronics circuits, and they are electricity, the field signal of feed-in to be carried out the amplification circuits of preposition amplification, main amplification; Simulating signal is carried out the digital circuit part of digital-to-analog conversion; Carry out the circuit part of signal controlling and data-storing, processing; Auxiliary parameter metering circuit part; The electromagnetic signal of being handled by this 4 partial circuit inserts in the hard disk of PC104 card-computer standby.
The positive benefit that this programme is wanted is, this combinational circuit collection can make the collection of marine magnetotelluric signal and data processing, storage, demonstration work all finish automatically, can make that abyssal parameter detection amount is more accurate, quick, investigative range is wider.
Further specify embodiment below in conjunction with accompanying drawing:
Description of drawings:
Fig. 1 is the general assembly synoptic diagram of the combinational circuit collection of collection sea-floor magnetotelluric signal;
Fig. 2 is the preposition amplifier section circuit board 1.1 of electric field signal;
Fig. 3 is the preposition amplifier section circuit board 1.2 of field signal;
Fig. 4 is the main amplifier section circuit board 1.3 of two electric field components and three magnetic-field components;
Fig. 5 is the circuit board 1.4 of 24 AD converting digital circuit parts;
Fig. 6 is the circuit board 1.5 of control circuit part;
Fig. 7 is the circuit board 1.6 of auxiliary parameter metering circuit part.
Among Fig. 1, the fixed mount 1 of combinational circuit collection comprises four parallel Metallic rod, runs through and is fixing circuit board 1.1 to 1.7 these 7 circuit boards, and they are comprising 4 most of circuit and a PC104 card-computer outsourcing circuit board altogether,
The 1st circuit board 1.1, be furnished with the pre-amplification circuit part of 2 electric field signals on it, the electric field intensity numerical value of the x that collects, y direction is entered by ECH1, the bandpass digital filter of being made up of amplifier and analog switch carries out the signal amplification again, and carrying out signal controlling by optocoupler circuit, amplifying signal is exported from ECHout.
The 2nd circuit board 1.2, be furnished with the pre-amplification circuit part of three field signals on it, be fixed on pressure-bearing out of my cabin the Magnetic Sensor of three directions of the face field strength value that will collect x, y, three coordinates of z enter by MCH2, amplify by operational amplification circuit on this circuit board and bandpass digital filter again, export by MCHout.
The 3rd circuit board 1.3, this is to carry out main through the electric field of preposition amplification and field signal to amplify once more, and is controlled by optocoupler circuit, by filtering and 24 A/D convertor circuits signal is exported.
The 4th circuit board 1.4 is digiboard, and simulating signal is converted into digital signal, and the application of this 24 AD conversion can obtain very high resolution, and current potential numerical value can be accurate to the 1/10 μ v order of magnitude.
The 5th circuit board 1.5 is logic card, is also referred to as programmable digital circuit board, adopts the gate-array circuit technology to carry out computing machine, storage and the processing of data acquisition, and this improvement for the Marine Geology measuring technique is a new breakthrough.
The 6th circuit board 1.6, the circuit board that provides auxiliary parameter to measure is provided, auxiliary parameter is meant directivity, degree of tilt and vibration parameters owing to carry out the measurement of seabed information, can record azimuthal coordinates accurate unlike the land, be in the measured point in seabed, its direction, degree of tilt and vibration parameters etc. all need through special calibration, and will be carried out record by the projection value of the x of image data, y, z direction, and therefore the necessity of auxiliary parameter metering circuit plate is just arranged.
The 7th circuit board 1.7 is the PC104 card-computer plate of outsourcing, and it sends the instruction of various image data, and will be switched to pressure-bearing by the parallel port line through the electrical information of data processing and read the signal of being surveyed on other computer screens out of my cabin.
The power supply device of above-mentioned 7 blocks of plates, be to rely on the lithium battery that is fixed in the inner chamber of pressure-bearing cabin to finish, it can provide 0-5V and two groups of DC voltage of 0-± 15V to use for each several part circuit board and computing machine plate, 2 represent tubular pressure-bearing cabin among the figure, its inwall is smooth cavity structure, the feeder line group 3 that connects each circuit board comprises the incoming feeder of introducing signal and the feeder line of output signal respectively.Orientation measurement sensor 4 is placed on before each circuit board, measures the sensor 5 of degree of tilt and the sensor 6 of measuring vibrations parameter and is placed on respectively after each circuit board, and lithium battery 7 supply circuits and PC104 card-computer are required.
Claims (3)
1, a kind of combinational circuit collection of gathering sea-floor magnetotelluric signal, in the pressure-bearing cabin of device overall fixed in marine magnetotelluric signals collecting equipment, it is characterized in that, the locational space of half is installed with the fixed mount of combinational circuit collection in the sealed cavity in cylindrical shape pressure-bearing cabin, and second half locational space is installed with the power supply that the work of combinational circuit collection is provided; Supporting circuit board abreast on the combinational circuit collection fixed support, the lead that is being communicated with one group of signal feed-in between circuit board and is feeding out, the feed-in conductor wire end links to each other with electric-field sensor assembly, magnetic field sensor assembly in being fixed on electromagnetic signal acquisition equipment agent structure; Feed out conductor wire end and be connected to pressure-bearing data processing and display part out of my cabin by PC104 card-computer plate; Described parallel circuit supported plate is furnished with 4 portions of electronics circuits, and they are electricity, the field signal of feed-in to be carried out the amplification circuits of preposition amplification, main amplification; Simulating signal is carried out the digital circuit part of digital-to-analog conversion; Carry out the circuit part of signal controlling and data-storing, processing; Auxiliary parameter metering circuit part; The electromagnetic signal of being handled by this 4 partial circuit inserts in the hard disk of PC104 card-computer standby.
According to the described combinational circuit collection of claim 1, it is characterized in that 2, the 4 portions of electronics circuits that comprised are distributed on parallel 7 circuit boards that supporting, their title is respectively that first block of plate is electric field signal pre-amplification circuit plate; The 2nd block of plate is field signal pre-amplification circuit plate; The 3rd block of plate is electricity, magnetic signal main magnification circuit plate once more; The 4th block of plate is 24 AD converting digital circuit boards; The 5th block of plate is the logical signal control circuit board; The circuit board of the 6th block of plate for providing auxiliary parameter to measure, wherein auxiliary parameter is meant: directivity, degree of tilt, vibration parameters.
3, according to the described combinational circuit collection of claim 1, it is characterized in that, power supply device is to rely on the lithium battery be fixed in the inner chamber of pressure-bearing cabin to finish, it can provide 0-5V and 0～± two groups of DC voltage of 15V are for each several part circuit board and the use of computing machine plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00254526 CN2439035Y (en) | 2000-09-18 | 2000-09-18 | Combined circuits integration for collecting subsea and earth electromagnetic signals |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00254526 CN2439035Y (en) | 2000-09-18 | 2000-09-18 | Combined circuits integration for collecting subsea and earth electromagnetic signals |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2439035Y true CN2439035Y (en) | 2001-07-11 |
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ID=33611760
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 00254526 Expired - Lifetime CN2439035Y (en) | 2000-09-18 | 2000-09-18 | Combined circuits integration for collecting subsea and earth electromagnetic signals |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2439035Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100399052C (en) * | 2001-12-18 | 2008-07-02 | Bhp比利顿创新公司 | Method of processing marine magnetic gradient data and exploration methods using that data |
| CN101401011B (en) * | 2006-03-15 | 2011-08-17 | 先进碳氢化合物绘图公司 | Electric field sensor for marine environments |
| CN104459804A (en) * | 2014-12-18 | 2015-03-25 | 上海艾都能源科技有限公司 | Rapid electromagnetic prospecting method for determining boundary of field abnormal area |
| CN107229082A (en) * | 2017-05-26 | 2017-10-03 | 陈波 | Physical prospecting instrument and its collecting method |
| CN114578435A (en) * | 2022-03-03 | 2022-06-03 | 中国科学院地质与地球物理研究所 | Pressure-bearing bin, seabed electromagnetic acquisition station and acquisition system |
-
2000
- 2000-09-18 CN CN 00254526 patent/CN2439035Y/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100399052C (en) * | 2001-12-18 | 2008-07-02 | Bhp比利顿创新公司 | Method of processing marine magnetic gradient data and exploration methods using that data |
| CN101401011B (en) * | 2006-03-15 | 2011-08-17 | 先进碳氢化合物绘图公司 | Electric field sensor for marine environments |
| CN104459804A (en) * | 2014-12-18 | 2015-03-25 | 上海艾都能源科技有限公司 | Rapid electromagnetic prospecting method for determining boundary of field abnormal area |
| CN107229082A (en) * | 2017-05-26 | 2017-10-03 | 陈波 | Physical prospecting instrument and its collecting method |
| CN107229082B (en) * | 2017-05-26 | 2019-03-26 | 湖南普奇地质勘探设备研究院（普通合伙) | Physical prospecting instrument and its collecting method |
| CN114578435A (en) * | 2022-03-03 | 2022-06-03 | 中国科学院地质与地球物理研究所 | Pressure-bearing bin, seabed electromagnetic acquisition station and acquisition system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20100918 Granted publication date: 20010711 |