CN106125144A - A kind of small-sized seabed controllable source electromagnetism acquisition station - Google Patents
A kind of small-sized seabed controllable source electromagnetism acquisition station Download PDFInfo
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- CN106125144A CN106125144A CN201610460556.8A CN201610460556A CN106125144A CN 106125144 A CN106125144 A CN 106125144A CN 201610460556 A CN201610460556 A CN 201610460556A CN 106125144 A CN106125144 A CN 106125144A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V3/00—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation
- G01V3/08—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation operating with magnetic or electric fields produced or modified by objects or geological structures or by detecting devices
- G01V3/083—Controlled source electromagnetic [CSEM] surveying
Abstract
A kind of small-sized seabed controllable source electromagnetism acquisition station, including electronic unit, underwater acoustic transducer, galvano-cautery detacher, cement block, electric field measurement arm, magnetic field sensor, electrode, attitude recording equipment, glass steel flag stick, red flag, stainless wirerope in main body frame, glass floating ball, ball；In ball, electronic unit includes acoustic communication module, beacon module, Acquisition Circuit, electric field preamplifier, electric power management circuit, lithium battery group.Electronic component integration, in single 17 inches of glass floating balls, saves the barochamber for accommodating electronic unit；Use minor diameter magnetic field sensor, substantially reduce weight in its water；Use galvano-cautery detacher, eliminate acousto-mechanical release and reduce weight in water；Use cement block dicyclo wirerope to connect, further enhance unhook release reliability；Main body frame length, width and height are only 50cm*50cm*70cm, and achievement in research has that volume is little, lightweight, low cost the most than ever, and internal structure is compact, the feature such as perfect in shape and function, operation on the sea high construction efficiency.
Description
Technical field
The present invention relates to seabed following medium electrical structure detection and undersea ship leakage electromagnetic field monitoring technique field, tool
Body is a kind of small-sized seabed controllable source electromagnetism acquisition station.
Background technology
When Exploration of Oil And Gas target is increasingly turned to ocean by people, in order to reduce offshore drilling risk, You Fu company by
Gradually introduce marine electromagnetic operation, target oil reservoir is carried out electromagnetic survey, to make up the deficiency of seismic prospecting, ocean controllable source electricity
Magnetic method is a kind of marine geophysics method emerging, popular.Ocean controllable source electromagnetic method by being placed in distance sea by emission source
End certain altitude launches artificial electromagnetic field signal, be heavily located at the ocean controllable source electromagnetism acquisition station in seabed gather artificial field source and
Natural field source signal, emission source is positioned at exploration ship afterbody, is connected by deep towing cable, walks boat according to certain route.Gather full one
After determined number signal, reclaim acquisition station, download the data in acquisition station, comprehensive emission current information, acquisition station data, navigation letter
Breath, and data are carried out process explanation obtain seabed following medium Electrical distribution.Ocean controllable source electromagnetic method has become seabed
The important method of hydrocarbon exploration.The method requires that offshore construction disposably requires to throw in tens of acquisition stations, therefore to acquisition station
Ease for use, operation on the sea efficiency, operating cost propose high requirement.Traditional ocean controllable source many employings of electromagnetism acquisition station
4-6 floating ball structure, main body frame size many in about 1.1m*1.1m*1.4m, air weight be about 400kg, this technology is existing
Shape makes minisurvey ship be difficult to carry out ocean controllable source electromagnetic method operation on the sea.Therefore, along with controllable source electromagnetism side, ocean
Reaching its maturity of method, towards the demand of ocean controllable source electromagnetic method, it is ensured that on the premise of performance, the miniaturization of acquisition station is to become
Gesture place.
Simultaneously in harbour is protected, needing accessing to the ports or the not clear naval vessels in marine site are defended, naval vessels are under water or water
In the motor process of face, produced electromagnetic field of revealing is used frequently as following the tracks of signal, adopts by laying sea-floor electromagnetic in sensitive waters
Collection station is monitored naval vessels and revealed electromagnetic signal is one of the effective means finding and following the tracks of naval vessels, the most progressively the army's of causing event horizon
Pay close attention to.
Within 2011, QUSAR company of the U.S. is under the support of Scripps institute of oceanography of University of California, have developed miniaturization list
Ball ocean controllable source electromagnetism acquisition station, sea trial shows that record performance is excellent, and test effect collection can be with traditional acquisition station phase
Match in excellence or beauty.The most domestic application report that there is not yet single small-sized acquisition station of ball.
Summary of the invention
It is an object of the invention to open a kind of miniaturization seabed controllable source electromagnetism acquisition station, be 4 17 developed in early stage
On the basis of the controllable source electromagnetism acquisition station of inch ball float seabed, collection cabin circuit is integrated in single 17 inches of glass floating balls,
Eliminate collection pressure-bearing cabin, Magnetic Sensor cabin is compressed to diameter 58mm, length 1100mm, and adds acoustic communication function, electricity
Corrosion relieving mechanism, eliminates acousto-mechanical release, reduces main body frame size, alleviates cement block 4 volume and weight, increases
Add Attitute detecting device, reduce Overall Power Consumption, seabed continuous firing more than 24 days, main body frame size compression to 50*50*
70cm, in air, weight is decreased to 70kg.Above measure reduces the requirement to oceanographic survey boats and ships, improves operation on the sea effect
Rate, saves operation on the sea cost.Seabed MT signal and the observation of controllable source electromagnetic signal of natural field source can be realized, meet sea
The military uses such as the geophysical research demands such as base oil gas resource detection and undersea ship leakage electromagnetic field monitoring.
For reaching above-mentioned purpose, the technical solution of the present invention is:
A kind of small-sized seabed controllable source electromagnetism acquisition station, described electromagnetism acquisition station uses single glass apparatus cabin, and arranges
Acoustic communication module, transducer and galvano-cautery detacher, it is not necessary to acousto-mechanical release.
Further, described acquisition station includes: main body frame, glass apparatus cabin, instrument room electronic building brick, cement block group
Part, magnetic field sensor, electric field measurement arm, electric-field sensor, acoustic transducer, attitude orientation recording equipment, glass steel flag stick, red
Flag, galvano-cautery detacher and stainless wirerope.
Further, described glass apparatus cabin is fixed in described main body frame, and described glass apparatus cabin is electronic unit
Thering is provided pressure-bearing space, and the buoyancy that when floating for acquisition station, offer is sufficient under deepwater environment, described instrument room electronic building brick is arranged
In described glass apparatus cabin, described cement block assembly is fixed on bottom described main body frame by stainless wirerope, described magnetic field
Sensor, electric field measurement arm, electric-field sensor, acoustic transducer, attitude orientation recording equipment, glass steel flag stick are arranged at described
On main body frame.
Further, described magnetic field sensor and electric field measurement arm may be contained within described main body frame both sides, described electric field
Measurement arm is stretching structure, and described electric field measurement arm is made up of the first body and the second body, and described first pipe diameter is more than
Second pipe diameter, described first internal diameter of tube body is identical with described second outer tube diameter, described first body one end and described master
Body framework connects, and described second body is placed in described first body, and described glass steel flag stick is arranged at described main body frame
Top, described electric-field sensor is arranged at the second body away from described main body frame one end and glass steel flag stick top.
Further, described red flag is arranged on described glass steel flag stick.
Further, described cement block assembly includes: cement block, is arranged at the spring leg at four angles of cement block and is arranged at
The aluminum annulus at cement block two ends, described galvano-cautery detacher is arranged at described main body frame top, described galvano-cautery detacher with
Many stainless wireropes connect, and the many described stainless wirerope other ends are connected with the aluminum annulus on described cement block.
Further, described instrument room electronic building brick includes: electric field preamplifier, magnetic field preamplifier, collection electricity
Road, acoustic communication module, beacon circuit, electric power management circuit and lithium battery group, described Acquisition Circuit is preposition with described electric field respectively
Amplifier, magnetic field preamplifier, beacon circuit and electric power management circuit one end connect, the described electric field preamplifier other end
Being connected with electric-field sensor, the described magnetic field preamplifier other end is connected with magnetic field sensor, the described beacon circuit other end
Being connected with described acoustic communication module one end, the described acoustic communication module other end is connected with described acoustic transducer, described power supply pipe
The reason circuit other end is connected with described lithium battery group.
Further, described beacon circuit includes: single-chip microcomputer, GPS module, barometer, thermometer, battery voltage measurement electricity
Road, real-time clock (RTC), flash lamp, digital transmission module, attitude transducer and constant-current source, described single-chip microcomputer respectively with GPS module, barometer,
Thermometer, battery voltage measuring unit, real-time clock (RTC), flash lamp, digital transmission module, attitude transducer and constant-current source connect.
Further, described electric power management circuit include the first charging module, the second charging module, the 3rd charging module,
4th charging module, the 5th charging module, power transfer module on duty, digital power conversion module and analog power modulus of conversion
Block, described first charging module, the second charging module, the 3rd charging module, the 4th charging module, the 5th charging module, on duty
Power transfer module, digital power conversion module and analog power modular converter are all connected with lithium battery group.
Accompanying drawing explanation
According to combining explanation below the present embodiment of accompanying drawing, these and/or other aspect of the present invention and advantage will become
Must understand and be easier to understand, wherein accompanying drawing:
Fig. 1 is acquisition station component structural sketch；
Fig. 2 is cement block modular construction sketch；
Fig. 3 is electronic unit theory diagram in ball；
Fig. 4 is beacon module schematic block circuit diagram；
Fig. 5 is electric power management circuit theory diagram.
Specific implementation method
In order to make the purpose of the present invention, technical scheme and advantage clearer, below in conjunction with drawings and Examples, right
The present invention is explained in further detail.Should be appreciated that specific embodiment described herein is used only for explaining the present invention, and
It is not used in the restriction present invention.
On the contrary, the present invention contain any be defined by the claims the replacement done in the spirit and scope of the present invention, repair
Change, equivalent method and scheme.Further, in order to make the public that the present invention to be had a better understanding, thin to the present invention below
During joint describes, detailed describe some specific detail sections.There is no these detail sections for a person skilled in the art
Description can also understand the present invention completely.
As it is shown in figure 1, a kind of small-sized seabed controllable source electromagnetism acquisition station, described acquisition station includes: main body frame 1, glass
Instrument room 2, instrument room electronic building brick 3, cement block assembly 4, magnetic field sensor 5, electric field measurement arm 6, electric-field sensor 7, acoustics
Transducer 8, attitude orientation recording equipment 9, glass steel flag stick 10, red flag 11, galvano-cautery detacher 12 and stainless wirerope 13.
Described glass apparatus cabin 2 is fixed in described main body frame 1, and described glass apparatus cabin 2 is electronic unit deep water ring
Thering is provided pressure-bearing space, and the buoyancy that when floating for acquisition station, offer is sufficient under border, described instrument room electronic building brick 3 is arranged at described
In glass apparatus cabin 2, described cement block assembly 4 is fixed on bottom described main body frame 1 by stainless wirerope 13, and described magnetic field passes
Sensor 5, electric field measurement arm 6, electric-field sensor 7, acoustic transducer 8, attitude orientation recording equipment 9, glass steel flag stick 10 are arranged
On described main body frame 1.
Described magnetic field sensor 5 and electric field measurement arm 6 may be contained within described main body frame 1 both sides, described electric field measurement arm 6
For stretching structure, described electric field measurement arm 6 is made up of the first body and the second body, and described first pipe diameter is more than the second pipe
Body diameter, described first internal diameter of tube body is identical with described second outer tube diameter, described first body one end and described main body frame 1
Connecting, described second body is placed in described first body, and described electric-field sensor 7 is arranged at the second body away from described master
Body framework 1 one end and glass steel flag stick 10 top, described first body and the second body use high bending pvc pipe, effectively drop
It is knocked generation risk of breakage during low operation on the sea, before throwing in, two pipes is drawn in, stretch the second body time to be put to
Long, electrode spacing is 10m, deck area occupied when effectively reducing operation on the sea；Attitude recording equipment 9 is fixed on acquisition station body frame
Top of the trellis, for recording attitude information when acquisition station is positioned at seabed work, including azimuth, the angle of pitch, roll angle, above letter
Breath is in follow-up data processes.Described glass steel flag stick 10 is arranged at described main body frame 1 top, and described red flag 11 is arranged at
On described glass steel flag stick 10, contributing to marine recovery fishing, electric-field sensor parts include 3 pairs of electric-field sensors 7, point
Being distributed in three orthogonal directions, respectively Ex, Ey, Ez, Ex, Ey are positioned at the end measuring arm 6, and Ez is positioned at the end of glass steel flag stick 10
End；Magnetic field sensor includes two Magnetic Sensors 5, respectively Hx, Hy of horizontal quadrature；Electric-field sensor 7 is solid by measuring arm 6
On main body frame 1, magnetic field sensor is directly fixed on main body frame 1；Glass steel flag stick 10, is used for fixing Ez direction electricity
Field sensor 7 is on main body frame 1, and fiberglass high intensity feature prevents flagpole from waving under underset process, the most necessarily
Reduce in degree owing to flagpole waves Ez direction electric field noise therefore.
As in figure 2 it is shown, described cement block assembly 4 includes: cement block 41, be arranged at the spring leg 42 at 41 4 angles of cement block
Be arranged at the aluminum annulus 43 at cement block 41 two ends, described galvano-cautery detacher 12 is arranged at described main body frame 1 top, described
Galvano-cautery detacher 12 is connected with many stainless wireropes 13, on many described stainless wirerope 13 other ends and described cement block 41
Aluminum annulus 43 connects, and when wirerope tightens up, main body frame 1 is pressed close to cement block 41, and spring leg 42 is in compressive state, and float back into is received
During release, send release command by deck unit to acoustic transducer 8, after acoustic communication plate receives order, break off relations to galvano-cautery
Device 12 anode supply so that anode and sea water generation electrochemical reaction, anode fusing, the wirerope that detacher tightens up after about 10 minutes
Unclamping, main body frame 1 is flicked by the spring of compression with cement block 41, and on acceleration main body frame, acquisition station is under ball float buoyancy
Float, reduce the bottom silt adsorption to main body frame 1 simultaneously.
As it is shown on figure 3, described instrument room electronic building brick 3 includes: electric field preamplifier 31, magnetic field preamplifier 32,
Acquisition Circuit 33, acoustic communication module 34, beacon circuit 35, electric power management circuit 36 and lithium battery group 37, described Acquisition Circuit 33
Respectively with described electric field preamplifier 31, magnetic field preamplifier 32, beacon circuit 35 and electric power management circuit 36 one end even
Connecing, described electric field preamplifier 31 other end is connected with electric-field sensor 7, described magnetic field preamplifier 32 other end and magnetic
Field sensor 5 connects, and described beacon circuit 35 other end is connected with described acoustic communication module 34 one end, described acoustic communication module 34
The other end is connected with described acoustic transducer 8, and described electric power management circuit 36 other end is connected with described lithium battery group 37.Electric field
Preamplifier 31, for the ultra-weak electronic signal of triple channel electric-field sensor 7 pick-up carries out low noise chopper amplification, improves electricity
Field signal signal to noise ratio, realizes altogether triple channel and amplifies filtering, and-3dB is 0.001Hz 100Hz；Magnetic field preamplifier 32 is used
In the voltage signal of amplification Magnetic Sensor 5 pick-up, containing two passages ,-three dB bandwidth is DC 100Hz；Acquisition Circuit 33 is by five-way
The amplified filtered signal in road carries out analog digital conversion, carries out data acquisition under the control of built-in intelligentized control method program,
And store to built-in SD card memory, when Acquisition Circuit 33 provides accurate for data stream under the driving of Time Service circuit
Between stab；Lithium battery group 37 provides power supply for electric power management circuit 36, generates each parts institute under the conversion of electric power management circuit 36
The analog circuit of need, digital power；Electric power management circuit 36 can also provide charge function for lithium battery group 37 simultaneously, it is achieved no
Charge function under the conditions of kicking off；Beacon circuit 35 provides beacon service for acquisition station, and under acquisition station before water, beacon circuit 35 can
Obtain status information, including cabin pressure, temporal information in battery electric quantity, ball, it is provided that Time Service；When being positioned at seabed work, it is interviewed
In acoustic communication module 34, it is possible to provide work state information, including collection progress, attitude information, battery electric quantity etc.；During recovery,
Galvano-cautery work is carried out under the control of acoustic communication module；After floating up to the water surface, beacon plate provides beacon service, GPS module is connect
The positional information received sends to Shipborne terminal by digital transmission module, it is also possible to realize highlighted LED flicker；Acoustic communication module 34 is real
Existing underwater acoustic communication, is amplified the signal of telecommunication of transducer 8 transmission, demodulates, decodes, orders and be transferred to beacon circuit；All right
The data that beacon circuit sends being carried out encoding, modulate, amplified, sends to transducer 8, transducer 8 is by watertight cable and water
Contiguity plug-in unit is connected with electronic unit in ball 3, transmits for underwater sound signal, underwater acoustic wave vibration signal is converted to the signal of telecommunication,
Sensing is provided for follow-up acoustic communication module；When acoustic communication module generation response, the signal of telecommunication is changed vibration signal by transducer 8,
Produce acoustic emission and be transferred to water body；
As shown in Figure 4, described beacon circuit 35 includes: single-chip microcomputer 351, GPS module 352, barometer 353, thermometer
354, battery voltage measurement circuit 355, real-time clock (RTC) 356, flash lamp 357, digital transmission module 358, attitude transducer 359 and constant-current source
3510, described single-chip microcomputer 351 respectively with acoustic communication module 34, GPS module 352, barometer 353, thermometer 354, cell voltage
Measuring unit 355, real-time clock (RTC) 356, flash lamp 357, digital transmission module 358, attitude transducer 359 and constant-current source 3510 connect, letter
Mark module provides GPS time information and pulse per second (PPS) by GPS module 352 to Acquisition Circuit 33 before lower water, and floats on the surface of the water
After rear GPS module receives useful signal, single-chip microcomputer 351 is sent to boat-carrying eventually by digital transmission module 358 after reading effective GPS information
End；Barometer 353 is used for measuring ball internal gas pressure, by pumping certain air to keep negative pressure in ball, just when glass bead seals
In the case of Chang, ball internal gas pressure is less than a normal atmosphere, and single-chip microcomputer 351 accesses barometer 353 and obtains when forecourt internal gas pressure shape
State, it may be judged whether there occurs gas leak phenomenon；Thermometer 354 is for obtaining when state of temperature in forecourt；Battery voltage measurement circuit
355, for measuring the cell voltage of polylith lithium battery group, obtain present battery surplus；When real-time clock (RTC) 356 provides for beacon module
Between service；Flash lamp 357 indicates current circuit working state under acquisition station before water, main duty has in charging, stops
In sleeping, waking up up, gather, gathering 5 kinds of states such as end, after water outlet is floated, highlighted LED is in stroboscopic state, bright 0.5 second, goes out 1.5
Second；Digital transmission module 358 is applied to after acquisition station floats up to the water surface information such as gps coordinate are transferred to Shipborne terminal；Attitude passes
Sensor 359 is for obtaining attitude information when acquisition station is positioned at underwater operation, including azimuth, roll angle, the angle of pitch；Constant-current source
3510 constant currents producing an about 1.2A after receiving beacon module galvano-cautery order, act on galvano-cautery detacher 12
Anode, persistently energising 10 minutes after anode fuse under electrochemical corrosion effect.
As it is shown in figure 5, described electric power management circuit 36 includes first charging module the 361, second charging module the 362, the 3rd
Charging module the 363, the 4th charging module the 364, the 5th charging module 365, power transfer module on duty 366, digital power conversion
Module 367 and analog power modular converter 368, described first charging module the 361, second charging module the 362, the 3rd charging module
363, the 4th charging module the 364, the 5th charging module 365, power transfer module on duty 366, digital power conversion module 367 and
Analog power modular converter 368 is all connected with lithium battery group 37, and electric power management circuit charges for many group lithium battery groups 37, charging
Modules A 361 to charging module E365 in the face of five groups of high-capacity lithium battery groups 37, completes charge function respectively；Power convert on duty
Module 366 is for being converted to 3.3V supply voltage by lithium battery group voltage, and this power transfer module is the most in running order,
Power supply on duty is provided for beacon module；Digital power conversion module 367 lithium battery voltage is converted to 5V, 3.3V, 2.5V,
1.8V etc. organizes digital power more, provides power supply for each module digital circuit；Lithium battery voltage is turned by analog power modular converter 368
Be changed to ± 2.5V, ± 5V, ± 12V many groups analog power；Digital power conversion module 367 and analog power modular converter 368 can
Power under the control of beacon circuit 35 and turn off.
The small-sized seabed controllable source electromagnetism acquisition station of the present invention, after acquisition station floats, beacon element detects that hydraulic pressure is close
The water surface, after starting GPS module, receiving effective GPS information, launches RI radio intelligence by wireless module to lash ship, notifies first
The coordinate of plate end acquisition station, the most also starts highlighted LED flash, improves organic efficiency at night.
The small-sized seabed controllable source electromagnetism acquisition station of the present invention, magnetic field sensor footpath out of my cabin is 58mm, a length of 1080mm,
Weight 4kg in water, is in the water of existing magnetic field sensor cabin 1/5th of weight, reduces weight and processing cost in water.Make an uproar
Sound level is 0.1pT/sqrt (Hz)@1Hz, is better than existing induction type magnetic field sensor.
The small-sized seabed controllable source electromagnetism acquisition station of the present invention, the electric-field sensor using electrolysis to prepare (sees patent
201210055403 1 kinds are used for electrode assembly measuring seabed weak electric field signal and preparation method thereof), typical case's extreme difference
For 100uV, noise is less than 1nV/sqrt (Hz)@1Hz, and index is better than existing electric-field sensor.
The small-sized seabed controllable source electromagnetism acquisition station of the present invention, integrated attitude orientation recording equipment 9, it is used for recording acquisition station
Sinking, seabed, the orientation of floating-upward process, roll angle, the angle of pitch, and store to internal Flash.
The small-sized seabed controllable source electromagnetism acquisition station of the present invention, weight 26kg, water during recovery in aqueous clod 4 water during input
Middle weight-11kg.Main body frame volume is 1/4th of existing acquisition station, and weight is 1/4th of existing instrument, significantly
Reduce operation on the sea difficulty, reduce single operation cost, improve working performance；
The small-sized seabed controllable source electromagnetism acquisition station of the present invention, when acquisition station reclaims, user downloads former by wireless WIFI
Beginning data file, it is not necessary to open barochamber or by cable network；
The small-sized seabed controllable source electromagnetism acquisition station of the present invention, used superduralumin screw, nut link each nylon sheet, district
Not in conventional stainless steel screw nut；
The small-sized seabed controllable source electromagnetism acquisition station of the present invention, the small-sized seabed controllable source electromagnetism acquisition station of the present invention, can
The duty of the acquisition station being positioned at seabed is obtained, including collection progress, battery electric quantity, attitude information by underwater acoustic communication module
Deng.
The small-sized seabed controllable source electromagnetism acquisition station of the present invention, uses glass-reinforced plastic material to measure as vertical electric field observation
Arm, and little red flag is installed on fiberglass, contribute to marine recovery fishing.
The small-sized seabed controllable source electromagnetism acquisition station of the present invention, volume is little, and internal structure is simple, during fabrication between and work
Have in amount and significantly reduced, simple, convenient.And use radio network technique to carry out field data and upload download,
Data can be carried out on the premise of being not switched on cabin ball extract and battery charging.Can at sea continuous several times to carry out ocean controlled
Source electromagnetic observation operation, it is achieved high efficiency ocean controllable source electromagnetic data gathers.
The controllable source electromagnetism acquisition station operation on the sea of the present invention small-sized seabed comprises the steps:
1., before arriving formulation point position, work area, marine site, install the electric-field sensor 7 of acquisition station, magnetic field sensor 5, survey
Amount arm 6, glass steel flag stick 10, red flag 11, attitude recording equipment 9；Stainless wirerope 13 is strained and fixed with cement block 4；Parts are pacified
Dress is fixing complete
2. by host computer PC electronic unit in ball carried out GPS to clock, acquisition parameter, inquiry cabin are set in work shape
State, confirms temperature, cabin pressure, memory space, battery allowance, tests galvano-cautery detacher 12, LED, the duty of digital transmission module,
Starting and gather, circuit is ready；
3. prepare to throw in, the thickness pipe that 4 are measured arm 6 is stretched to maximum spacing, boat-carrying loop wheel machine is hung and gathers station owner
Body framework 1, and rotate and survey about 6m outside ship string, prevent measuring arm 6 and collide with hull；Loop wheel machine transfers acquisition station to the water surface,
Disengage acquisition station main body frame, acquisition station free subsidence, throw in complete；
4. after acquisition station arrives seabed, specific works flow process is: initialize Acquisition Circuit 33, starts at predetermined instant and adopts
Collection, after the analogue signal of front end first passes through electric field preamplifier 31 and magnetic field preamplifier 32, in the control of Acquisition Circuit 33
Carrying out analog digital conversion under system, switch to another relief area after wherein a buffer data is full, data are read by notice application program
Take, and preserve to internal memory.Wait that next frequency range starts the time, reinitialize Acquisition Circuit and be acquired.So
Circulation is until all frequency range collections terminate；
5., in data acquisition, Shipborne terminal can obtain duty by acoustic communication module, understands acquisition station current
Collection progress, attitude information, the information such as battery electric quantity.
6., after treating all predetermined band data acquisitions, Shipborne terminal launches galvano-cautery order by acoustic communication module,
After acquisition station receives order, carrying out galvano-cautery, after the fusing of stainless wirerope 13, acquisition station main body frame floats, and discharges acquisition station
Work complete；
After station the most to be collected floats on the surface of the water, by shipborne radio station, monitor the positional information that digital transmission module is launched, receive effectively
After information, investigation ship is left for the geographical position residing for acquisition station；
8., when salvaging acquisition station, by boat-carrying loop wheel machine, acquisition station is salvaged to deck, packs up measurement arm, be fixed on deck,
Fresh water cleans acquisition station appearance sea water, and host computer downloads data by WIFI, and acquisition station, to clock, is entered resting state by GPS；
9. by analyzing and processing initial data, it is thus achieved that the rock electricity imaging of underground, thus infer the mineral products in tested region
Resource distribution, or the undersea ship leakage electromagnetic field signal noted abnormalities.
Invention achieves following technical specification:
Frequency range: 100Hz 0.001Hz；
Measuring circuit includes five circuit-switched data acquisition channels, gathers level and vertical mutually orthogonal three the most respectively
Road electric field (Ex, Ey, Ez), the two-way magnetic field (Hx, Hy) of horizontal quadrature；
Full frequency band uses 24 Analog-digital Converter of high accuracy at high speed；
Realize different sample rate switching (2400Hz, 150Hz two grades)；
Use 32 Embedded ARM9 control chips, it is achieved intelligent automatic operation, record and store；
Channel measurement dynamic range: 120dB；
Background noise: electric field is less than 0.1nV/m/rt (Hz)@1Hz；Magnetic field is less than 0.1pT/rt (Hz)@1Hz
Memory space: more than 16GB；
Clock stability: be better than 5ms/day；
Electric-field sensor: Ag/AgCl electrode；
Magnetic field sensor: induction type magnetic is popped one's head in；
Auxiliary information measurement: the parameters such as azimuth, roll angle, the angle of pitch, temperature, battery electric quantity；
Complete machine stream time: more than 21 days；
Maximum operating water depth: 4000m；
Volume: main body frame is 50*50*70cm；
Weight: air: 70kg, in water: 26kg (aqueous clod) ,-11kg (without cement block)；
As meeting ocean controllable source electromagnetic method, the technology of weak signal extraction is required to obtain width under deepwater environment
Value is the mixed field source electromagnetic signal in the range of 0.001Hz 100Hz at N × nV～N × 100mV scope, frequency band, and considers
The factors such as the reliability of submarine observation equipment, ease for use, power consumption, noise, operation on the sea efficiency, cost, devise a kind of for
The device of submarine observation electromagnetic field, i.e. seabed controllable source electromagnetism acquisition station.
Claims (9)
1. a small-sized seabed controllable source electromagnetism acquisition station, it is characterised in that described electromagnetism acquisition station uses single glass apparatus
Cabin, and acoustic communication module, transducer and galvano-cautery detacher are set, it is not necessary to acousto-mechanical release.
Electromagnetism acquisition station the most according to claim 1, it is characterised in that described acquisition station includes: main body frame, glass instrument
Device cabin, instrument room electronic building brick, cement block assembly, magnetic field sensor, electric field measurement arm, electric-field sensor, acoustic transducer, appearance
State azimuth recording device, glass steel flag stick, red flag, galvano-cautery detacher and stainless wirerope.
Electromagnetism acquisition station the most according to claim 2, it is characterised in that described glass apparatus cabin is fixed on described body frame
In frame, described glass apparatus cabin is for providing pressure-bearing space under electronic unit deepwater environment, and provides abundance for acquisition station when floating
Buoyancy, described instrument room electronic building brick is arranged in described glass apparatus cabin, and described cement block assembly is solid by stainless wirerope
It is scheduled on bottom described main body frame, described magnetic field sensor, electric field measurement arm, electric-field sensor, acoustic transducer, attitude orientation
Recording equipment, glass steel flag stick are arranged on described main body frame.
Electromagnetism acquisition station the most according to claim 3, it is characterised in that described magnetic field sensor and electric field measurement arm are all provided with
Being placed in described main body frame both sides, described electric field measurement arm is stretching structure, and described electric field measurement arm is by the first body and second
Body forms, and described first pipe diameter is more than the second pipe diameter, described first internal diameter of tube body and described second outer tube diameter
Identical, described first body one end is connected with described main body frame, and described second body is placed in described first body, described
Glass steel flag stick is arranged at described main body frame top, and described electric-field sensor is arranged at the second body away from described main body frame
One end and glass steel flag stick top.
Electromagnetism acquisition station the most according to claim 4, it is characterised in that described red flag is arranged at described glass steel flag stick
On.
Electromagnetism acquisition station the most according to claim 3, it is characterised in that described cement block assembly includes: cement block, setting
Spring leg in four angles of cement block and the aluminum annulus being arranged at cement block two ends, described galvano-cautery detacher is arranged at described master
Body frame roof, described galvano-cautery detacher is connected with many stainless wireropes, the many described stainless wirerope other ends and described water
Aluminum annulus on clod connects.
Electromagnetism acquisition station the most according to claim 3, it is characterised in that described instrument room electronic building brick includes: before electric field
Put amplifier, magnetic field preamplifier, Acquisition Circuit, acoustic communication module, beacon circuit, electric power management circuit and lithium battery group,
Described Acquisition Circuit respectively with described electric field preamplifier, magnetic field preamplifier, beacon circuit and electric power management circuit one
End connects, and the described electric field preamplifier other end is connected with electric-field sensor, the described magnetic field preamplifier other end and magnetic
Field sensor connects, and the described beacon circuit other end is connected with described acoustic communication module one end, the described acoustic communication module other end
Being connected with described acoustic transducer, the described electric power management circuit other end is connected with described lithium battery group.
Electromagnetism acquisition station the most according to claim 7, it is characterised in that described beacon circuit includes: single-chip microcomputer, GPS mould
Block, barometer, thermometer, battery voltage measurement circuit, real-time clock (RTC), flash lamp, digital transmission module, attitude transducer and constant-current source,
Described single-chip microcomputer passes mould with GPS module, barometer, thermometer, battery voltage measuring unit, real-time clock (RTC), flash lamp, number respectively
Block, attitude transducer and constant-current source connect.
Electromagnetism acquisition station the most according to claim 7, it is characterised in that described electric power management circuit includes the first charging mould
Block, the second charging module, the 3rd charging module, the 4th charging module, the 5th charging module, power transfer module on duty, numeral
Power transfer module and analog power modular converter, described first charging module, the second charging module, the 3rd charging module,
Four charging modules, the 5th charging module, power transfer module on duty, digital power conversion module and analog power modular converter are equal
It is connected with lithium battery group.
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| CN201610460556.8A CN106125144A (en) | 2016-06-22 | 2016-06-22 | A kind of small-sized seabed controllable source electromagnetism acquisition station |
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| CN201610460556.8A Pending CN106125144A (en) | 2016-06-22 | 2016-06-22 | A kind of small-sized seabed controllable source electromagnetism acquisition station |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106646629A (en) * | 2016-12-08 | 2017-05-10 | 中国地质大学（北京） | Deepwater double-ship towing-type electromagnetic prospecting system |
| CN108413192A (en) * | 2018-02-24 | 2018-08-17 | 上海彩虹鱼深海装备科技有限公司 | A kind of fixing device for glass floating ball internal unit |
| CN108828328A (en) * | 2018-04-27 | 2018-11-16 | 中国科学院地质与地球物理研究所 | Portable three-component submarine electric field instrument |
| CN109142884A (en) * | 2017-06-16 | 2019-01-04 | 中国船舶重工集团公司第七六研究所 | One kind being suitable for naval port sea area underwater environment electromagnetic field observation device |
| CN109579916A (en) * | 2018-12-26 | 2019-04-05 | 中国船舶重工集团公司第七〇九研究所 | A kind of integrated detection device of float type acoustic-electric magnetic |
| CN109632000A (en) * | 2018-12-29 | 2019-04-16 | 中国船舶重工集团公司第七〇九研究所 | A kind of detection method integrating detection device based on sinking type |
| CN110850481A (en) * | 2019-10-15 | 2020-02-28 | 中国石油天然气集团有限公司 | Electrode fixing device of ocean electromagnetism collection station |
| CN112462430A (en) * | 2020-10-26 | 2021-03-09 | 中国石油天然气集团有限公司 | Working state acquisition system of submarine seismic node acquisition station and working method thereof |
| CN113740921A (en) * | 2021-08-12 | 2021-12-03 | 南方科技大学 | Seabed electromagnetic data acquisition station |
| CN114545506A (en) * | 2022-02-23 | 2022-05-27 | 中国科学院地质与地球物理研究所 | Seabed electromagnetic acquisition station and recovery method thereof |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1800879A (en) * | 2004-12-30 | 2006-07-12 | 中国科学院地质与地球物理研究所 | High-frequency seabed digital seismograph |
| CN100395562C (en) * | 2002-06-11 | 2008-06-18 | 加利福尼亚大学董事会 | Method and system for seafloor geological survey using vertical electric field measurement |
| US20100321024A1 (en) * | 2009-06-22 | 2010-12-23 | Edward Nichols | Deriving an electromagnetic field in one direction based on measurement data of one or more sensing elements for measuring an electromagnetic field in another direction |
| CN202110293U (en) * | 2011-07-06 | 2012-01-11 | 中国科学院地质与地球物理研究所 | Single compartment ball submarine electric field instrument |
| CN102854538A (en) * | 2012-09-26 | 2013-01-02 | 中国科学院地质与地球物理研究所 | Single-cabin-ball three-component submarine magnetometer |
| CN105068132A (en) * | 2015-08-12 | 2015-11-18 | 上海云灵信息技术有限公司 | Portable single-cabinet ball highly-integrated seabed electromagnetic device |
| CN105173004A (en) * | 2015-08-14 | 2015-12-23 | 青岛海洋地质研究所 | Underwater control system for seabed hydrothermal fluid and cold spring observation subsurface buoy and relevant observation method |
| CN105242321A (en) * | 2015-09-30 | 2016-01-13 | 中国地质大学（北京） | Sea submersible horizontal orthogonal emission system and application method thereof |
-
2016
- 2016-06-22 CN CN201610460556.8A patent/CN106125144A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100395562C (en) * | 2002-06-11 | 2008-06-18 | 加利福尼亚大学董事会 | Method and system for seafloor geological survey using vertical electric field measurement |
| CN1800879A (en) * | 2004-12-30 | 2006-07-12 | 中国科学院地质与地球物理研究所 | High-frequency seabed digital seismograph |
| US20100321024A1 (en) * | 2009-06-22 | 2010-12-23 | Edward Nichols | Deriving an electromagnetic field in one direction based on measurement data of one or more sensing elements for measuring an electromagnetic field in another direction |
| CN202110293U (en) * | 2011-07-06 | 2012-01-11 | 中国科学院地质与地球物理研究所 | Single compartment ball submarine electric field instrument |
| CN102854538A (en) * | 2012-09-26 | 2013-01-02 | 中国科学院地质与地球物理研究所 | Single-cabin-ball three-component submarine magnetometer |
| CN105068132A (en) * | 2015-08-12 | 2015-11-18 | 上海云灵信息技术有限公司 | Portable single-cabinet ball highly-integrated seabed electromagnetic device |
| CN105173004A (en) * | 2015-08-14 | 2015-12-23 | 青岛海洋地质研究所 | Underwater control system for seabed hydrothermal fluid and cold spring observation subsurface buoy and relevant observation method |
| CN105242321A (en) * | 2015-09-30 | 2016-01-13 | 中国地质大学（北京） | Sea submersible horizontal orthogonal emission system and application method thereof |
Non-Patent Citations (1)
| Title |
|---|
| STEVEN CONSTABLE: "Review paper:Instrumentation for marine magnetotelluric and controlled source electromagnetic sounding", 《GEOPHYSICAL PROSPECTING》 * |
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106646629A (en) * | 2016-12-08 | 2017-05-10 | 中国地质大学（北京） | Deepwater double-ship towing-type electromagnetic prospecting system |
| CN109142884A (en) * | 2017-06-16 | 2019-01-04 | 中国船舶重工集团公司第七六研究所 | One kind being suitable for naval port sea area underwater environment electromagnetic field observation device |
| CN108413192A (en) * | 2018-02-24 | 2018-08-17 | 上海彩虹鱼深海装备科技有限公司 | A kind of fixing device for glass floating ball internal unit |
| CN108828328A (en) * | 2018-04-27 | 2018-11-16 | 中国科学院地质与地球物理研究所 | Portable three-component submarine electric field instrument |
| CN108828328B (en) * | 2018-04-27 | 2023-11-28 | 中国科学院地质与地球物理研究所 | Portable three-component submarine electric field instrument |
| CN109579916A (en) * | 2018-12-26 | 2019-04-05 | 中国船舶重工集团公司第七〇九研究所 | A kind of integrated detection device of float type acoustic-electric magnetic |
| CN109632000B (en) * | 2018-12-29 | 2021-09-28 | 中国船舶重工集团公司第七一九研究所 | Integrated detection device and detection method based on sinking type |
| CN109632000A (en) * | 2018-12-29 | 2019-04-16 | 中国船舶重工集团公司第七〇九研究所 | A kind of detection method integrating detection device based on sinking type |
| CN110850481B (en) * | 2019-10-15 | 2021-08-03 | 中国石油天然气集团有限公司 | Electrode fixing device of ocean electromagnetism collection station |
| CN110850481A (en) * | 2019-10-15 | 2020-02-28 | 中国石油天然气集团有限公司 | Electrode fixing device of ocean electromagnetism collection station |
| CN112462430A (en) * | 2020-10-26 | 2021-03-09 | 中国石油天然气集团有限公司 | Working state acquisition system of submarine seismic node acquisition station and working method thereof |
| CN113740921A (en) * | 2021-08-12 | 2021-12-03 | 南方科技大学 | Seabed electromagnetic data acquisition station |
| CN113740921B (en) * | 2021-08-12 | 2023-12-08 | 南方科技大学 | Submarine electromagnetic data acquisition station |
| CN114545506A (en) * | 2022-02-23 | 2022-05-27 | 中国科学院地质与地球物理研究所 | Seabed electromagnetic acquisition station and recovery method thereof |
| CN114545506B (en) * | 2022-02-23 | 2022-09-13 | 中国科学院地质与地球物理研究所 | Seabed electromagnetic acquisition station and recovery method thereof |
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