CN108732632A - Marine Electromagnetic Approach electric-field sensor electrode shell structure - Google Patents
Marine Electromagnetic Approach electric-field sensor electrode shell structure Download PDFInfo
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- CN108732632A CN108732632A CN201810858895.0A CN201810858895A CN108732632A CN 108732632 A CN108732632 A CN 108732632A CN 201810858895 A CN201810858895 A CN 201810858895A CN 108732632 A CN108732632 A CN 108732632A
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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
- G01V3/088—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 operating with electric fields
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A90/00—Technologies having an indirect contribution to adaptation to climate change
- Y02A90/30—Assessment of water resources
Abstract
Marine Electromagnetic Approach electric-field sensor electrode shell structure of the present invention, is made of electrode cores 1, electrode shell 2, electrode cores cover 3, electrode cap 4, buffer layer 5 and deep water overpressure resistant air plug 9.2 electrode shell of electrode shell, 2 lower half outer inlet opening identical with the bottom multiple size spacing of distribution；The 3 tube wall first half of electrode cores cover is distributed the identical interior inlet opening of multiple size spacing, any one interior inlet opening and any one outer inlet opening are misaligned；Electrode cap 4 includes 8 three parts of lid lower end 6, lid waist 7 and cap header, and lid lower end 6 connects with electrode shell 2, and lid waist 7 protrudes, and is installed with engineering practice for transporting, 8 inner hollow of cap header, for being tightly connected with watertight aviation connector；Buffer layer 5 is for filling silica；Deep water overpressure resistant air plug 9 is for electric-field sensor to be connect with signal collecting device.Present invention enhances electrode stability and service life in the seawater, can be widely applied in the electric-field sensor of Marine Electromagnetic Approach.
Description
Technical field
Present invention relates particularly to Marine Electromagnetic Approach electric-field sensor electrode shell structures.
Background technology
With the exhaustion of land resources, the exploration and development important role of marine resources is carried out.In marine field
Geophysical exploration technology, mainly based on Marine Electromagnetic Approach, including Marine Electromagnetic Approach (MMT), controllable source audio-frequency electric magnetic method
(MCSMT) etc., be the exploration of inshore shallow geological structure, oil-gas exploration main means.The sensor of Marine Electromagnetic Approach is divided into
Electric-field sensor and magnetic field sensor, wherein electric-field sensor are mainly by unpolarizable electrode as essential core.In marine environment
High-frequency signal is suppressed, therefore Marine Electromagnetic Approach mostly uses low frequency or very low frequency as driving source, thus measurement period it is longer,
Signal is smaller, higher to current potential stability and the noise requirements of electrode.Traditional unpolarizable electrode is chiefly used in land electromagnetic exploration,
Using Cu and its ion salt such as Cu-CuSO4, and the current potential stability of Cu electrodes is needed with the larger Marine Electromagnetic Approach that is unsatisfactory for of noise
It asks, therefore mostly uses the unpolarizable electrode being made of Ag and its ion salt as electric field sensor for marine environments, such as Ag/AgCl electrodes.
Traditional Ag/AgCl electrode fabrications mostly use plating or the method for sintering is fabricated to plate electrode, and the service life is weaker with stability.
The present invention proposes a kind of electrode shell structure, and with intensifier electrode, stability and service life, making are used for Marine Electromagnetic Approach in the seawater
Electric-field sensor.
Invention content
The technical problem to be solved in the present invention is, cannot be satisfied sea for traditional electrode in above-mentioned current electric-field sensor
The deficiency of foreign electromagnetic method Research Requirements provides a kind of Marine Electromagnetic Approach electric-field sensor electrode shell structure and solves the above problems.
Marine Electromagnetic Approach electric-field sensor electrode shell structure, including electrode cores 1, electrode shell 2, electrode cores cover 3, electrode
Lid 4, buffer layer 5 and deep water overpressure resistant air plug 9；
Wherein electrode cores 1 are used for Measuring Oceanic electric field signal；Electrode shell 2 is used to prevent ocean current impact and subsea pressure,
2 lower half of electrode shell and bottom are distributed the identical outer inlet opening of multiple size spacing 10；The 3 tube wall first half of electrode cores cover is distributed
The identical interior inlet opening 11 of multiple size spacing, all interior inlet openings 11 and all outer inlet openings 10 are misaligned, are used for
Prevent illumination from electrode cores being made to aoxidize；Electrode cap 4 includes 8 three parts of lid lower end 6, lid waist 7 and cap header, lid lower end 6 and electrode
Shell 2 connects, and is used for enclosed electrode, and lid waist 7 protrudes, and is installed with engineering practice for transporting, 8 inner hollow of cap header,
For being tightly connected with watertight aviation connector；Buffer layer 5 is for preventing electrode from shaking and weakening ocean current impact；Deep water overpressure resistant navigates
9 are inserted for electric-field sensor to be connect with signal collecting device.
Electrode shell 2 is in outermost layer, and electrode cores cover 3 is in internal layer, and electrode cores 1 are in inner hub location, electrode shell 2 and electricity
There is buffer layer 5 between pole piece cover 3, electrode cores cover 3 and electrode cores 1.Lid waist 7 is entire electrode shell mechanism center, lid waist
7 top of portion uses spiral shell using deep water overpressure resistant air plug 9, lower external face is threadedly coupled using electrode shell 2, inner surface is threadedly coupled
Electrode cores 1 are fixed in line connection electrode core cover 3, center using buckle.Headkerchief is stretched into one end of electrode cores 1 across 7 center of lid waist
In portion 8, deep water overpressure resistant air plug 9 is inserted into the other end of cap header 8, and electrode cores 1 are used with deep water overpressure resistant air plug 9 in cap header 8
Silver wire is connected and is not directly contacted with, and is filled using sulfide in the space that cap header 8 is formed with deep water overpressure resistant air plug 9, sealing electricity
Pole piece 1 extend into part and silver wire in cap header 8.
Further, the specific distribution situation of the outer inlet opening 10 is：2 lower half of electrode shell is uniformly distributed 12,
4 outer inlet openings 10 of per pass, the outer inlet opening 10 of 2 bottom of electrode shell is with the rounded distribution of predetermined angle.
Further, the specific distribution situation of the interior inlet opening 11 is：3 first half of electrode cores cover is uniformly distributed 12,
5 interior inlet openings 11 of per pass.
Further, electrode cores 1 are the porous solid electrodes being made by Ag-AgCl.
Further, the material of electrode shell 2 uses high-strength polyester plastics.
Further, the material of electrode cores cover 3 is using dark polyester plastics.
Further, it is filled using silica in buffer layer 5.
Further, the outer inlet opening is used to provide route of exposure and the control of electrode cores 1 and seawater with interior inlet opening
Seawater flows into the speed of electrode shell 2.
Further, cap header 8 is tightly connected with watertight aviation connector using epoxy pouring sealant.
Compared with prior art, the present invention is designed with double Shell, slows down ocean current impact, and reduction electrode cores are extra large nearby
Flow velocity degree balances core Cl ion concentrations nearby；Inlet opening water conservancy diversion over shell outer casing bottom and lower part, inner casing top open in into
Water hole water conservancy diversion, electrode cores are in exposure dead zone, and when storage is not oxidizable, and electrode cores still ensure to contact with ocean current；Electrode shell head
Hierarchical design ensures that electrode anode is matched with cathode material, head capsule portion using epoxy resin enclosed electrode core and air plug joint
Waist protrusion is divided to facilitate installation and preserve.
Description of the drawings
Present invention will be further explained below with reference to the attached drawings and examples, in attached drawing：
Fig. 1 is the Marine Electromagnetic Approach electric-field sensor electrode shell structure chart of the present invention；
Fig. 2 is the Marine Electromagnetic Approach electric-field sensor electrode shell chart at the bottom of of the present invention.
Specific implementation mode
For a clearer understanding of the technical characteristics, objects and effects of the present invention, now control attached drawing is described in detail
The specific implementation mode of the present invention.
As shown in Figure 1, Marine Electromagnetic Approach electric-field sensor electrode shell structure, including electrode cores 1, electrode shell 2, electrode
Core cover 3, electrode cap 4, buffer layer 5 and deep water overpressure resistant air plug 9.
Wherein electrode cores 1 are used for Measuring Oceanic electric field signal；Electrode shell 2 is used to prevent ocean current impact and subsea pressure,
2 lower half of electrode shell and bottom are distributed the identical outer inlet opening of multiple size spacing 10；The 3 tube wall first half of electrode cores cover is distributed
The identical interior inlet opening 11 of multiple size spacing, all interior inlet openings 11 are staggered with all outer inlet openings 10, outer inlet opening
10 is misaligned with interior inlet opening 11, for preventing illumination from electrode cores being made to aoxidize；Electrode cap 4 includes lid lower end 6,7 and of lid waist
8 three parts of cap header, lid lower end 6 connect with electrode shell 2, are used for enclosed electrode, and lid waist 7 protrudes, for transport and engineering
It is installed in practice, 8 inner hollow of cap header, for being tightly connected with watertight aviation connector, avoids contacting with water herein, influence
Material mixture ratio；Buffer layer 5 prevents shell corrupted caused by electrode shake for filling silica, and reduction ocean current impact is to improve
Electrode stability；Deep water overpressure resistant air plug 9 is led for being connect with signal collecting device electric-field sensor using material well conducting
It is powered and hinders preferable material making.
Electrode shell 2 is in outermost layer, and electrode cores cover 3 is in internal layer, and electrode cores 1 are in inner hub location, electrode shell 2 and electricity
There is buffer layer 5 between pole piece cover 3, electrode cores cover 3 and electrode cores 1.Lid waist 7 is entire electrode shell mechanism center, lid waist
7 top of portion uses spiral shell using deep water overpressure resistant air plug 9, lower external face is threadedly coupled using electrode shell 2, inner surface is threadedly coupled
Electrode cores 1 are fixed in line connection electrode core cover 3, center using buckle.Headkerchief is stretched into one end of electrode cores 1 across 7 center of lid waist
In portion 8, deep water overpressure resistant air plug 9 is inserted into the other end of cap header 8, and electrode cores 1 are used with deep water overpressure resistant air plug 9 in cap header 8
Silver wire is connected and is not directly contacted with, and is filled using sulfide in the space that cap header 8 is formed with deep water overpressure resistant air plug 9, sealing electricity
Pole piece 1 extend into part and silver wire in cap header 8.
The specific distribution situation of outer inlet opening 10 is：2 lower half of electrode shell is uniformly distributed 12, intakes outside per pass 4
Hole 10, the outer inlet opening 10 of 2 bottom of electrode shell is with the rounded distribution of predetermined angle, as shown in Figure 2.
The specific distribution situation of interior inlet opening 11 is：3 first half of electrode cores cover is uniformly distributed 12, intakes in per pass 5
Hole 11.
Electrode cores 1 are the porous solid electrodes being made by Ag-AgCl.The material of electrode shell 2 is poly- using high intensity
Ester plastics.The material of electrode cores cover 3 is using dark polyester plastics.It is filled using silica in buffer layer 5.It is described it is outer into
Water hole 10 is used to provide the route of exposure of electrode cores 1 and seawater with interior inlet opening 11 and controls the speed that seawater flows into electrode shell 2
Degree.Cap header 8 is tightly connected with watertight aviation connector using epoxy pouring sealant.
The present invention is designed using Double-casing, reinforces electric-field sensor practicability, weakens current speed, is promoted electrode and is stablized
Degree；In the case of zero potential, after the electrode with shell stablizes current potential, the drift of its resting potential is tested.Using electrode inside and outside shell
Body Double Opening designs, and avoids electrode illumination, avoids anodizing, is easy to electrode preservation, extends electrode life；Using hierarchical design
Head secondary can be split, and be easy to electrode cores replacement, and electrode shell recycling promotes sensor practicability.
The embodiment of the present invention is described with above attached drawing, but the invention is not limited in above-mentioned specific
Embodiment, the above mentioned embodiment is only schematical, rather than restrictive, those skilled in the art
Under the inspiration of the present invention, without breaking away from the scope protected by the purposes and claims of the present invention, it can also make very much
Form, all of these belong to the protection of the present invention.
Claims (9)
1. Marine Electromagnetic Approach electric-field sensor electrode shell structure, which is characterized in that including electrode cores (1), electrode shell (2),
Electrode cores cover (3), electrode cap (4), buffer layer (5) and deep water overpressure resistant air plug (9)；
Wherein electrode cores (1) are used for Measuring Oceanic electric field signal；Electrode shell (2) is used to prevent ocean current impact and subsea pressure,
Electrode shell (2) lower half outer inlet opening (10) identical with the bottom multiple size spacing of distribution；Electrode cores cover (3) tube wall upper half
The identical interior inlet opening (11) of the multiple size spacing of part cloth, all interior inlet openings (11) are equal with all outer inlet openings (10)
It is misaligned, for preventing illumination from electrode cores being made to aoxidize；Electrode cap (4) includes lid lower end (6), lid waist (7) and cap header (8) three
Part, lid lower end (6) connect with electrode shell (2), are used for enclosed electrode, lid waist (7) protrusion, for transport and engineering practice
Middle installation, cap header (8) inner hollow, for being tightly connected with watertight aviation connector；Buffer layer (5) is for preventing electrode from trembling
It moves and weakens ocean current impact；Deep water overpressure resistant air plug (9) is for electric-field sensor to be connect with signal collecting device；
Electrode shell (2) is in outermost layer, and electrode cores cover (3) is in internal layer, and electrode cores (1) are in inner hub location, electrode shell (2)
There is buffer layer (5) between electrode cores cover (3), electrode cores cover (3) and electrode cores (1)；Lid waist (7) is entire electrode shell
Mechanism center, lid waist (7) top use threaded connection electrode using deep water overpressure resistant air plug (9), lower external face is threadedly coupled
Shell (2), inner surface use the fixed electrode cores (1) of buckle using electrode cores cover (3), center is threadedly coupled；The one of electrode cores (1)
End is stretched into across lid waist (7) center in cap header (8), and deep water overpressure resistant air plug (9) is inserted into the other end of cap header (8), electrode
Core (1) is connected and is not directly contacted with using silver wire in cap header (8) with deep water overpressure resistant air plug (9), and cap header (8) and deep water are resistance to
It is filled using sulfide in the space that pressure air plug (9) is formed, enclosed electrode core (1) extend into part and silver in cap header (8)
Line.
2. Marine Electromagnetic Approach electric-field sensor electrode shell structure according to claim 1, which is characterized in that it is described it is outer into
The specific distribution situation in water hole (10) is：Electrode shell (2) lower half is uniformly distributed 12, and the outer inlet opening (10) of per pass 4 is electric
The outer inlet opening (10) of 2 bottom of pole shell is with the rounded distribution of predetermined angle.
3. Marine Electromagnetic Approach electric-field sensor electrode shell structure according to claim 1, which is characterized in that it is described in into
The specific distribution situation in water hole (11) is：Electrode cores cover (3) first half is uniformly distributed 12, the interior inlet opening (11) of per pass 5.
4. Marine Electromagnetic Approach electric-field sensor electrode shell structure according to claim 1, which is characterized in that electrode cores
(1) it is the porous solid electrode being made by Ag-AgCl.
5. Marine Electromagnetic Approach electric-field sensor electrode shell structure according to claim 1, which is characterized in that electrode shell
(2) material uses high-strength polyester plastics.
6. Marine Electromagnetic Approach electric-field sensor electrode shell structure according to claim 1, which is characterized in that electrode cores cover
(3) material is using dark polyester plastics.
7. Marine Electromagnetic Approach electric-field sensor electrode shell structure according to claim 1, which is characterized in that buffer layer
(5) it is filled using silica in.
8. Marine Electromagnetic Approach electric-field sensor electrode shell structure according to claim 1, which is characterized in that it is described it is outer into
Water hole is used to provide the route of exposure of electrode cores (1) and seawater with interior inlet opening and controls the speed that seawater flows into electrode shell (2)
Degree.
9. Marine Electromagnetic Approach electric-field sensor electrode shell structure according to claim 1, which is characterized in that cap header
(8) it is tightly connected using epoxy pouring sealant with watertight aviation connector.
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| CN201810858895.0A CN108732632B (en) | 2018-07-31 | 2018-07-31 | Electrode shell structure of electric field sensor by ocean electromagnetic method |
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Cited By (3)
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| CN111082259A (en) * | 2019-11-20 | 2020-04-28 | 烽火海洋网络设备有限公司 | Far-end grounding electrode structure for submarine equipment |
| CN111650649A (en) * | 2020-07-10 | 2020-09-11 | 中国海洋大学 | Cable integrated electric field sensor electrode array and preparation method thereof |
| CN112835106A (en) * | 2021-01-04 | 2021-05-25 | 中国石油天然气集团有限公司 | Non-polarized receiving electrode structure |
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| CN112835106A (en) * | 2021-01-04 | 2021-05-25 | 中国石油天然气集团有限公司 | Non-polarized receiving electrode structure |
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| CN108732632B (en) | 2019-12-10 |
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