CN102331275B - Penetration probe-based deep sea multi-element comprehensive observation system - Google Patents
Penetration probe-based deep sea multi-element comprehensive observation system Download PDFInfo
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Abstract
The invention discloses a penetration probe-based deep sea multi-element comprehensive observation system, which comprises an upper computer and a data recovery cabin, wherein the upper end and the lower end of the data recovery cabin are connected with a probe rod through a hydraulic separation releaser and a launching device respectively; a small-sized pile driver is arranged in the launching device; the launching device is provided with an underwater search light, an underwater camera and an underwater acoustic communication transceiver; the top of the data recovery cabin is provided with a floating body; a central controller is included in the data recovery cabin; the outer side face of the data recovery cabin is provided with an underwater acoustic transducer; and the outer surface of the probe rod is provided with more than 10 annular electrodes and more than 2 pore water pressure sensors which are connected with the central controller. The system has a simple structure, is reliable in work and accurate in control, can carry various sensors and adapt to a deep sea high pressure environment, and can synchronously and automatically observe and record states and changes of sea water and sediments within a 10m depth range close to a sea water-sediment interface with over 2,000m water depth, including the state of sediments of 6-7m below a sea bottom surface, the condition of sea water of a bottom layer of 3-4m above the sea bottom surface and the dynamic change in position of the sea bottom surface.
Description
Technical field
The present invention relates to a kind of deep-sea many key elements Integrated Observation System based on the penetration type probe, be used for the observation of the dynamic changing process of deep sea water and sediment interaction band, belong to the ocean observation technology field.
Background technology
Deep seafloor modern process original position is long-term, continuous, ocean weather station observation, it is the important means that Marine Sciences march to the deep-sea, particularly deep sea water and sediment interact with the observation of dynamic change procedure, for disclosing recent sediment occurs under the dynamic action of deep-sea dynamic response process, deeply being familiar with pelagic deposit Filling-evolution history and having vital role.At present, for the method for the on-the-spot original position long-term observation of deep seafloor, a class is the seat bottom type tripod in the world, fixing test sensor on it, another kind of is penetration type seabed probe (bar), under the injection seabed in the certain depth sediment, and sensor installation in the probe (bar).The tripod recording geometry can only be carried out the observation of the above seawater hydrologic condition of Sediment Interface and suspension bed sediment feature; Penetration type seabed probe (bar) then more lays particular emphasis on measures the variation that the bottom Sediment Interface corrodes depositing process, in addition, seabed resistivity observation feeler lever, it is very promising observation method, set up at present the relation between good resistivity value and seawater outstanding husky concentration, seawater-Sediment Interface and the sediment physico-mechanical properties, had vital role for the outstanding husky concentration in grasp seabed, scene, seawater-Sediment Interface and sediment state and variation.But existing probe (bar) observation method all is limited to deep water offshore, and lays particular emphasis on the observation of single environment key element more.A kind of recording geometry that can observe multiple environmental element that can be used in the deep-sea is not yet arranged at present.
Summary of the invention
The object of the present invention is to provide a kind of deep-sea many key elements Integrated Observation System based on the penetration type probe, to overcome the deficiencies in the prior art.
The present invention can adapt to the hyperbaric environment of the deep-sea 2000m depth of water, can realize deep sea water-Sediment Interface up and down seawater of 10m depth range and the synchronous automatic Observation record of sediment state and variation, observation content comprises 6 ~ 7m sediment state under the sea bottom surface, be sediment physico-mechanical properties, the accumulation of sediment excess pore water pressure and evanishment, 3 ~ 4m bottom seawater situation on the sea bottom surface, be seawater pressure, bottom current flow velocity, turbidity of sea water, seawater Suspended Sedimentation Concentration, and the dynamic change of sea bottom surface position, namely sea bottom surface corrodes and alluvial speed.
Deep-sea many key elements Integrated Observation System based on the penetration type probe, comprise the host computer that the water surface is above, with the feeler lever below the water surface, characterized by further comprising the data record storehouse that is arranged on described feeler lever upper end, and be arranged on the arranging device of this upper end, data record storehouse; Described arranging device comprises that the top is provided with the pressure hull of suspension ring, pressure hull inside is provided with the small-sized hydraulic ram engine by the control of piling controller, pressure hull is provided with under water searchlight, Underwater Camera and underwater acoustic communication transceiver outward, and the bottom is connected with the data record storehouse via the hydraulic pressure separating release; Described data record storehouse comprises that the top is provided with the pressure hull of buoyancy aid, the central controller that this pressure hull inside is provided with, lateral surface is provided with the underwater acoustic transducer that links to each other with central controller, the bottom is connected with the top of feeler lever via the hydraulic pressure separating release, and this data record storehouse is carried out circuit via underwater connector and feeler lever and is connected; And need not circuit with data record storehouse and feeler lever, arranging device is connected; Described feeler lever outside surface is provided with equally spaced 10 above ring electrodes and 2 above pore water pressure sensors, all ring electrodes link to each other with underwater connector with the universal serial bus of pore water pressure sensor via feeler lever inside, then link to each other with central controller in the data record storehouse.
Need not to insert the seabed owing to be arranged on the data record storehouse of feeler lever upper end, Gu Shuojuhuishoucang is outer can to carry the sensor that can measure multiple ocean wave parameter, also can be provided with turbidity transducer, temperature sensor, attitude sensor and current meter such as the data recovery bin, and all link to each other with central controller by universal serial bus.
Consider watertightness and insulation effect, above-mentioned data record storehouse is inner adopts epoxy sealing and fixing internal central controller and system's universal serial bus.
Above-mentioned feeler lever be the bottom with the nylon tube of conehead, and this conehead is with tantalum carbide, or hafnium carbide, or titanium carbide is made.
In order to match with buoyancy aid, increase the effect of throwing in stability and injection seabed, above-mentioned feeler lever top symmetry be provided with balancing weight, can keep the underwater attitude of instrument.
Consider watertightness and insulation effect, above-mentioned feeler lever inside epoxy resin encapsulated.
Above-mentioned arranging device also can arrange the protection framework, and with searchlight and Underwater Camera are placed in the protection framework under water.Above-mentioned data record cabin also can arrange the protection framework, and the buoyancy aid 26 on top, data record storehouse is placed in the protection framework with current meter.
The central controller in above-mentioned data record storehouse comprises the single-chip microcomputer that is connected with respectively power management module, data memory module, real-time clock, acoustics MODEM and system's universal serial bus; Single-chip microcomputer links to each other with sensing control unit in each sensor by system's universal serial bus, and controls and gather the data of each sensor.
Described acoustics MODEM is used for carrying out communication with host computer, is powered to each sensor group by the Single-chip Controlling power management module.
Sensing control unit in the sensor comprises temperature measurement unit, turbidimetry unit, ocean current measurement unit, Attitude Measuring Unit, the resistivity measurement unit corresponding with the ring electrode quantity on the feeler lever, and the pore water pressure measuring unit that equates with pore water pressure sensor quantity on the feeler lever.
The signal of above-mentioned each pore water pressure sensor output is by matrix switch and system's universal serial bus input single-chip microcomputer.
The simulating signal of each ring electrode output on the above-mentioned resistivity measurement unit is input to the signal condition module by the chess matrix analogue switch, and conditioned signal always is input to single-chip microcomputer by system's serial.The digitizing of simulating signal is finished by the analog-to-digital conversion device that single-chip microcomputer carries, resolution is 12Bits, the dynamic range that 3 magnitudes are arranged, according to the resistivity value that records, select the interface decision model and the inverting function that are suitable for the observation area sediment type can obtain seawater-Sediment Interface, seawater Suspended Sedimentation Concentration and marine bottom sediment state parameter and variation.
Described host computer is used for carrying out data communication and data analysis with data record storehouse and arranging device; Comprise the single-chip microcomputer that is connected with respectively external interface, power management module, data memory module, real-time clock and acoustics MODEM.Host computer can adopt the 16Bit single-chip microcomputer, and 9600 baud rate acoustics MODEM, data memory module adopt 16GBytes MicroSD card, and real-time clock adopts the real-time clock chip, and external interface adopts RS232, RS422/485, USB and wireless mode.
The present invention is simple in structure, reliable operation, precise control, can carry multiple sensors, can adapt to deep-sea 2000m depth of water hyperbaric environment.Can carry out synchronous automatic Observation record near the seawater of the 10m depth range sea-sediment interface more than the depth of water 2000m and sediment state and variation, comprise under the sea bottom surface 3 ~ 4m bottom seawater situation on 6 ~ 7m sediment state, the sea bottom surface, and the dynamic change of sea bottom surface position.
The module that lays of the present invention is with underwater photographic system and small-sized hydraulic ram engine, not only can upload instrument attitude, depth information, the operation conditions of system in the process of laying is in time controlled, the effective difficulty of lowering apparatus injection predetermined depth in the sediment and improve penetrating speed can avoid laying losing and damaging of unsuccessful instrument simultaneously.Top, data record storehouse arranges floating body material, matches with the feeler lever counterweight, can effectively keep the underwater attitude of instrument; In addition, after the observation time of setting finished, the data record storehouse can be separated with feeler lever, naturally floats to the water surface in water, reports self GPS locating information, was conducive to observation data and reclaimed.Feeler lever ring electrode structure and measuring unit have been taken into account the consideration of high measurement efficient and low energy consumption two aspects, and in addition, the selection of encapsulant can be applicable to the observation of long deep-sea.The design of electronic system had both taken into account the terseness of low-power consumption and system, had guaranteed again enough performances, and the system communication mode is simple, efficient, stability is high.The electronic system of underwater units adopts system's universal serial bus, can greatly reduce consumption and the system complex degree of cable, also reduces machinery, waterproofing design difficulty, increases security of system.
Description of drawings
Fig. 1 is general structure synoptic diagram of the present invention.
Fig. 2 is the decomposition texture synoptic diagram in feeler lever of the present invention and data record storehouse.
Fig. 3 is the decomposition texture synoptic diagram of data record of the present invention storehouse and arranging device.
Fig. 4 is the structural representation of host computer of the present invention.
Fig. 5 is the structural representation of central controller of the present invention.
Fig. 6 is pore water pressure sensor cellular construction synoptic diagram of the present invention.
Fig. 7 is resistivity sensor cellular construction synoptic diagram of the present invention.
Wherein, 1; host computer, 2; arranging device; 3; the data record storehouse, 4; feeler lever, 5; suspension ring; 6; the piling controller; 7; pressure hull, 8; the small-sized hydraulic ram engine, 9; the protection framework; 10; searchlight under water; 11; the protection framework, 12; underwater acoustic transducer, 13; central controller; 14; the hydraulic pressure separating release; 15; underwater connector, 16; counterweight, 17; system's universal serial bus; 18; nylon tube; 19; ring electrode, 20; pore water pressure sensor, 21; conehead; 22; pressure hull; 23; turbidity transducer, 24; temperature sensor, 25; attitude sensor; 26; floating body material; 27; current meter, 28; Underwater Camera, 29; the underwater acoustic communication transceiver; 30; single-chip microcomputer; 31; external interface, 32; power management, 33; the data storage; 34; real-time clock; 35; acoustics MODEM, 36; acoustics MODEM, 37; power management module; 38; real-time clock; 39; single-chip microcomputer, 40; the resistivity measurement unit, 41; the pore water pressure measuring unit; 42; temperature measurement unit; 43; the turbidimetry unit, 44; the ocean current measurement unit, 45; Attitude Measuring Unit; 46; data memory module; 47; matrix switch, 48; the chess matrix analogue switch, 49; the signal condition module.
Embodiment
Shown in Fig. 1～3, based on deep-sea many key elements Integrated Observation System of penetration type probe, comprise the host computer 1 that the water surface is above, and the following feeler lever 4 of the water surface, characterized by further comprising the data record storehouse 3 that is arranged on described feeler lever 4 upper ends, and be arranged on the arranging device 2 of these 3 upper ends, data record storehouse; Described arranging device 2 comprises that the top is provided with the pressure hull 7 of suspension ring 5, pressure hull inside is provided with the small-sized hydraulic ram engine 8 by 6 controls of piling controller, be provided with under water searchlight 10, Underwater Camera 28 and underwater acoustic communication transceiver 29 outside the pressure hull 7, and the bottom is connected with data record storehouse 3 via hydraulic pressure separating release 14; Described data record storehouse 3 comprises that the top is provided with the pressure hull 22 of buoyancy aid 26, the central controller 13 that these pressure hull 22 inside are provided with, lateral surface is provided with the underwater acoustic transducer 12 that links to each other with central controller 13, the bottom is connected via the top of hydraulic pressure separating release 14 with feeler lever 4, and this data record storehouse 3 is carried out circuit via underwater connector 15 with feeler lever 4 and is connected; And need not circuit with data record storehouse 3 and feeler lever 4, arranging device 2 is connected; Described feeler lever 4 outside surfaces are provided with equally spaced 10 above ring electrodes 19 and 2 above pore water pressure sensors 20, all ring electrodes 19 link to each other with underwater connector 15 with the universal serial bus 17 of pore water pressure sensor 20 via feeler lever 4 inside, then link to each other with central controller 13 in the data record storehouse 3.
Need not to insert the seabed owing to be arranged on the data record storehouse 3 of feeler lever 4 upper ends, can carry the sensor that to measure multiple ocean wave parameter so data record storehouse 3 is outer, also can be provided with turbidity transducer 23, temperature sensor 24, attitude sensor 25 and current meter 27 such as data recovery bin 3, and all link to each other with central controller 13 by universal serial bus 17.
Consider watertightness and insulation effect, epoxy sealings are adopted and fixing internal central controller 13 and system's universal serial bus 17 in 3 inside, above-mentioned data record storehouse.
Above-mentioned feeler lever 4 be the bottom with the nylon tube of conehead 21, and this conehead 21 is with tantalum carbide, or hafnium carbide, or titanium carbide is made.
Shown in Fig. 1～3, in order to match with buoyancy aid 26, increase the effect of throwing in stability and injection seabed, above-mentioned feeler lever 4 top symmetries be provided with balancing weight 16, can keep the underwater attitude of instrument.
Consider watertightness and insulation effect, above-mentioned feeler lever 4 inside epoxy resin encapsulateds.
Shown in Fig. 1～3, above-mentioned arranging device 2 also can arrange protection framework 9, and with searchlight 10 and Underwater Camera 28 are placed in the protection framework 9 under water; Above-mentioned data record cabin 3 also can arrange protection framework 11, and the buoyancy aid 26 on 3 tops, data record storehouse is placed in the protection framework 11 with current meter 27.
As shown in Figure 4, described host computer 1 is used for carrying out data communication and data analysis with data record storehouse 3 and arranging device 2; Comprise the single-chip microcomputer 30 that is connected with respectively external interface 31, power management module 32, data memory module 33, real-time clock 34 and acoustics MODEM 35.Host computer 1 can adopt the 16Bit single-chip microcomputer, has both taken into account the terseness of low-power consumption and system, has guaranteed again enough performances; Acoustics MODEM 35 adopts the commercially produced product of 9600 baud rates, carries out communicating by letter of data record storehouse 3 and arranging device 2 and host computer 1, and satisfies under water communicate by letter every day once requirement of 2000m of recording geometry; Data memory module adopts 16GBytes MicroSD card, on the one hand enough capacity is arranged, and the storer compatibility of standard is good on the other hand; Real-time clock 34 provides markers for the master system circuit, with synchronous with recording geometry underwater units electronic system markers, keeps the consistance of whole system, adopts the real-time clock chip, and year error is in 10s; External interface adopts RS232, RS422/485, USB and wireless mode; Power management module 32 provides the galvanic current source for the master system circuit.For satisfying the low-power consumption requirement, under the control of single-chip microcomputer 30, acoustics MODEM 35, data memory module 33 are only just powered when needs work.
As shown in Figure 5, the central controller 13 in above-mentioned data record storehouse 3 is responsible for the collection of sensing data, comprises the single-chip microcomputer 39 that is connected with respectively power management module 37, data memory module 46, real-time clock 38, acoustics MODEM 36 and system's universal serial bus 17; Single-chip microcomputer 39 links to each other with sensing control unit in each sensor by system's universal serial bus 17, and control and gather the data of each sensor, be to guarantee the unification of whole system, consistent in described single-chip microcomputer 39, acoustics MODEM 36, power management module 37, real-time clock 38 and data memory module 46 and the host computer electronic system.
As shown in Figure 5, sensing control unit in the sensor comprises temperature measurement unit 42, turbidimetry unit 43, ocean current measurement unit 44, Attitude Measuring Unit 45, the resistivity measurement unit 40 corresponding with ring electrode 19 quantity on the feeler lever 4, and the pore water pressure measuring unit 41 that equates with pore water pressure sensor 20 quantity on the feeler lever 4.
As shown in Figure 6, the signal of above-mentioned each pore water pressure sensor 20 outputs is by matrix switch 47 and system's universal serial bus 17 input single-chip microcomputers 39.Pore water pressure sensor 20 is selected business-like pressure sensor in deep-sea, measure near the seawater pressure of sediment Pore Pressure and sea bottom surface, pressure sensor in deep-sea inside carries temperature sensor, be output as the force value through the excess temperature correction, the pore water pressure sensor 20 that single-chip microcomputer 39 will be accessed by system's universal serial bus 17 and matrix switch 47 selections reads corresponding data.
As shown in Figure 7, the simulating signal of each ring electrode 19 outputs on the above-mentioned resistivity measurement unit 40 is input to signal condition module 49 by chess matrix analogue switch 48, and conditioned signal is input to single-chip microcomputer 39 by system's serial total 17.The electrode ring texture can effectively increase Measurement Resolution, improves measuring accuracy.
The output signal of ring electrode 19 is simulating signal, and the chess matrix analogue switch 48 by precision is input to signal condition module 49, because each ring electrode 19 public identical subsequent process circuits, so the measurement data high conformity.Signal condition module 49 with signal amplify, filtering, and adjust output resistance, with the subsequent conditioning circuit impedance matching.The digitizing of simulating signal is 12Bits by the resolution that single-chip microcomputer 39 carries, and the AD(analog-to-digital conversion device of 3 magnitude dynamic ranges is arranged) to finish, the arrangement of ring electrode 19 and resistivity measurement are according to the Wenner mode; According to the resistivity value that records, select the interface decision model and the inverting function that are suitable for the observation area sediment type can obtain seawater-Sediment Interface, seawater Suspended Sedimentation Concentration and marine bottom sediment state parameter and variation.
The course of work of the present invention is as follows, hang oneself from the scientific investigation ship by capstan winch and cable and to put into the sea, or lay equipment cloth by CTD and put into sea (capstan winch, cable and CTD lay equipment and belong to the scientific investigation ship and carry instrument), after arriving the abyssal floor bottom surface, utilize the effect of instrument deadweight and counterweight make instrument under the prerequisite of maintenance attitude with certain speed injection marine bottom sediment in, if injection does not reach predetermined depth, the running of starting small-sized hydraulic ram engine, make the feeler lever injection to the seabed predetermined depth, Underwater Camera is by observation water lower device attitude, and the information of uploading is to master system, after guaranteeing normal operation, the cloth amplification module separates to be sling, if it is undesirable to lay attitude, after embodiment can utilize on the scientific investigation ship winch or CTD to lay equipment to mention, again lay.
The underwater units injection is to the seabed predetermined depth, after communication test is guaranteed normal operation, the cloth amplification module separates to be sling, data bins and feeler lever gather the storage data according to the predefined time interval, data record storehouse 3 is carried out circuit with feeler lever 4 use underwater connectors 15 and is connected, when observation, provide power supply for feeler lever 4, and send the measurement instruction.
Observation finishes, underwater sound signal is received in data record storehouse 3, the coupling part of pressure hull 22 bottoms and feeler lever 4 is equipped with hydraulic pressure separating release 14, can receive host computer 1 system " return " order after data record storehouse 3 is separated with bottom feeler lever 4, data record storehouse 3 density are less than water body, can in water, naturally float, in the floating-upward process, the underwater acoustic transducer 12 that is fixed in pressure hull 22 tops still can be worked, but the information of real-time report self present position, also can the GPS module be set in data record storehouse 3 and report locating information, in order to reclaim, 4 of feeler levers are thrown aside the seabed.
Embodiment
In order to take full advantage of existing equipment, reduce manufacturing cost and use cost, the present invention has adopted the design form that makes all parts can utilize the commercialization commercially available prod.Wherein, realize measuring the sensor of various deep-seas parameter, be the commercialization sensor such as turbidity transducer 23, temperature sensor 24, attitude sensor 25, current meter 27 and pore water pressure sensor 20; Be used for laying the parts with communication, as searchlight 10, underwater acoustic transducer 12, underwater connector 15, Underwater Camera 28 are business-like commercially available prod with underwater acoustic communication transceiver 29 under water; Be used for realizing that the hydraulic pressure separating release 14 of recovery function is by existing techniques in realizing hydraulic pressure separating function, also can directly adopt commercially available hydraulic pressure separating releasing means.
The arranging device 2 inner small-sized hydraulic ram engines 8 that arrange, also can adopt prior art, such as cylindrical structural, by power-actuated small-sized hydraulic ram engine, by piling controller 6 flow direction changes, realize stroke and backhaul action, make ram engine performance piling function; As by the running parameter of the selected small-sized hydraulic ram engine 8 of invention being: stroke interval is 0.33s, and be 0.67s return interval, and the backhaul maximal rate is 3.94m/s, and the stroke acceleration is 242.4m/s
2
Claims (10)
1. based on deep-sea many key elements Integrated Observation System of penetration type probe, comprise the host computer (1) that the water surface is above, with the feeler lever (4) below the water surface, characterized by further comprising the data record storehouse (3) that is arranged on described feeler lever (4) upper end, and be arranged on the arranging device (2) of this upper end, data record storehouse (3);
Described arranging device (2) comprises that the top is provided with first pressure hull (7) of suspension ring (5), the first pressure hull inside is provided with the small-sized hydraulic ram engine (8) by piling controller (6) control, the first pressure hull (7) is outer to be provided with under water searchlight (10), Underwater Camera (27) and underwater acoustic communication transceiver (28), and the bottom is connected with data record storehouse (3) via hydraulic pressure separating release (14);
Described data record storehouse (3) comprises that the top is provided with second pressure hull (22) of buoyancy aid (26), this the second pressure hull (22) inside is provided with central controller (13), the lateral surface of the second pressure hull (22) is provided with the underwater acoustic transducer (12) that links to each other with central controller (13), the bottom of the second pressure hull (22) is connected via the top of hydraulic pressure separating release (14) with feeler lever (4), and this data record storehouse (3) is carried out circuit via underwater connector (15) with feeler lever (4) and is connected;
Described feeler lever (4) outside surface is provided with equally spaced 10 above ring electrodes (19) and 2 above pore water pressure sensors (20), all ring electrodes (19) and pore water pressure sensor (20) link to each other with underwater connector (15) via the inner system's universal serial bus (17) of feeler lever (4), then link to each other with data record storehouse (3) interior central controller (13).
2. recording geometry as claimed in claim 1, it is characterized in that also being provided with turbidity transducer (23), temperature sensor (24), attitude sensor (25) and current meter (27) outside the above-mentioned data record storehouse (3), and all link to each other with central controller (13) by system's universal serial bus (17).
3. recording geometry as claimed in claim 1 is characterized in that above-mentioned data record storehouse (3) inner employing epoxy sealing and fixing internal central controller (13) and system's universal serial bus (17).
4. recording geometry as claimed in claim 1, it is characterized in that above-mentioned feeler lever (4) be the bottom with the nylon tube of conehead (21), and this conehead (21) is with tantalum carbide, or hafnium carbide, or titanium carbide is made.
5. recording geometry as claimed in claim 1, what it is characterized in that above-mentioned feeler lever (4) top symmetry is provided with balancing weight (16).
6. such as claim 1,4 or 5 described recording geometrys, it is characterized in that above-mentioned feeler lever (4) inside epoxy resin encapsulated.
7. recording geometry as claimed in claim 2 is characterized in that above-mentioned central controller (13) comprises the single-chip microcomputer (40) that is connected with respectively power management module (38), data memory module (47), real-time clock (39), acoustics MODEM (37) and system's universal serial bus (17); Single-chip microcomputer (40) links to each other with sensing control unit in each sensor by system's universal serial bus (17), and controls and gather the data of each sensor.
8. recording geometry as claimed in claim 7, it is characterized in that sensing control unit in the sensor comprises temperature measurement unit (43), turbidimetry unit (44), ocean current measurement unit (45), Attitude Measuring Unit (46), the resistivity measurement unit (41) corresponding with ring electrode (19) quantity on the feeler lever (4), and the pore water pressure measuring unit (42) that equates with pore water pressure sensor (20) quantity on the feeler lever (4).
9. recording geometry as claimed in claim 7 is characterized in that the signal of above-mentioned each pore water pressure sensor (20) output is by matrix switch (48) and system's universal serial bus (17) input single-chip microcomputer (40).
10. recording geometry as claimed in claim 8, the simulating signal that it is characterized in that each ring electrode (19) output on the above-mentioned resistivity measurement unit (41) is input to signal condition module (50) by chess matrix analogue switch (49), and conditioned signal is input to single-chip microcomputer (40) by system's universal serial bus (17).
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| CN 201110155700 CN102331275B (en) | 2011-06-10 | 2011-06-10 | Penetration probe-based deep sea multi-element comprehensive observation system |
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| CN 201110155700 CN102331275B (en) | 2011-06-10 | 2011-06-10 | Penetration probe-based deep sea multi-element comprehensive observation system |
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