CN110174704B - Ocean electric field sensor based on TRIZ theory - Google Patents
Ocean electric field sensor based on TRIZ theory Download PDFInfo
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- CN110174704B CN110174704B CN201910550736.9A CN201910550736A CN110174704B CN 110174704 B CN110174704 B CN 110174704B CN 201910550736 A CN201910550736 A CN 201910550736A CN 110174704 B CN110174704 B CN 110174704B
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- 230000005684 electric field Effects 0.000 title claims abstract description 32
- PGLIUCLTXOYQMV-UHFFFAOYSA-N Cetirizine hydrochloride Chemical compound Cl.Cl.C1CN(CCOCC(=O)O)CCN1C(C=1C=CC(Cl)=CC=1)C1=CC=CC=C1 PGLIUCLTXOYQMV-UHFFFAOYSA-N 0.000 title claims abstract description 19
- 229920000049 Carbon (fiber) Polymers 0.000 claims abstract description 28
- 239000004917 carbon fiber Substances 0.000 claims abstract description 28
- 239000013535 sea water Substances 0.000 claims abstract description 18
- 238000007789 sealing Methods 0.000 claims abstract description 13
- 229910052751 metal Inorganic materials 0.000 claims abstract description 9
- 239000002184 metal Substances 0.000 claims abstract description 9
- 238000001514 detection method Methods 0.000 claims abstract description 7
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 22
- 239000000853 adhesive Substances 0.000 claims description 3
- 230000001070 adhesive effect Effects 0.000 claims description 3
- 229910052755 nonmetal Inorganic materials 0.000 claims description 2
- 239000004814 polyurethane Substances 0.000 claims description 2
- 229920002635 polyurethane Polymers 0.000 claims description 2
- 239000002131 composite material Substances 0.000 claims 1
- 238000009941 weaving Methods 0.000 claims 1
- 239000003566 sealing material Substances 0.000 abstract description 3
- 238000011160 research Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 10
- 229910021607 Silver chloride Inorganic materials 0.000 description 4
- 238000011161 development Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000013461 design Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000011159 matrix material Substances 0.000 description 3
- 238000012544 monitoring process Methods 0.000 description 3
- HKZLPVFGJNLROG-UHFFFAOYSA-M silver monochloride Chemical compound [Cl-].[Ag+] HKZLPVFGJNLROG-UHFFFAOYSA-M 0.000 description 3
- 238000004458 analytical method Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000013508 migration Methods 0.000 description 2
- 230000005012 migration Effects 0.000 description 2
- 230000010287 polarization Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000012938 design process Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 230000002427 irreversible effect Effects 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000006479 redox reaction Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R29/00—Arrangements for measuring or indicating electric quantities not covered by groups G01R19/00 - G01R27/00
- G01R29/12—Measuring electrostatic fields or voltage-potential
-
- 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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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Remote Sensing (AREA)
- Life Sciences & Earth Sciences (AREA)
- Electromagnetism (AREA)
- Environmental & Geological Engineering (AREA)
- Geology (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geophysics (AREA)
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
Abstract
The invention relates to a ocean electric field sensor based on a TRIZ concept. Based on the TRIZ concept, the invention solves the problems on the basis of analyzing a substance-field: the current ocean electric field sensor has a complex structure, and cannot meet the current requirements on ocean research and adapt to complex ocean environments. In order to achieve the above purpose, the invention provides a marine electric field sensor based on the TRIZ concept, comprising an electrode 1; a current collector 2; a sealing layer 3; and a wire 4. The electrode 1 is a sheet-like structure made of carbon fibers, wherein one side of the electrode 1 is in contact with seawater, and the other side is covered with a layer of current collector 2 and connected with a wire 4, wherein the current collector 2 is made of conductive metal, the purpose of which is to collect electrical signals of the carbon fibers and transmit the electrical signals to a detection device through the wire 4, and the current collector 2 is coated with a sealing material to prevent the current collector 2 from contacting the seawater.
Description
Technical Field
The invention relates to the technical field of ocean exploration, in particular to a micro carbon fiber electrode suitable for deep sea based on a TRIZ concept.
Technical Field
The electric field is a physical field widely distributed in the ocean, and the factors such as the flow migration of seawater, the biological movement, the change of the earth magnetic field, the oxidation-reduction reaction of ships and submarine metal ore bodies and the like are all the generation reasons of the ocean electric field. The detection of the ocean electric field can be widely applied to civil fields such as ocean resource exploration, geographical environment monitoring and the like, and also applied to military fields such as monitoring, tracking, positioning and the like of targets in water. The electrode pair is formed by two commonly used electrodes, and the change of the electric field medium environment in the marine environment can be revealed by monitoring the extremely poor change condition of the electrode pair along with time. The ocean electric field sensor works in the ocean environment and needs to resist the influence of pressure on the electrode; seawater is rich in various ions, and various chemical reactions can occur; in addition, the electrodes are subject to technical limitations, and are subject to various forces in the ocean in addition to the seawater pressure, making the placement of the electrodes difficult. Along with the development and detection of the ocean going from the offshore to the open sea, from the shallow sea to the deep sea, deep sea exploration equipment gradually goes to intensification and integration, and the requirements on the ocean electric field sensor are higher. Silver/silver chloride electrodes belong to non-polarized electrodes and have good self stability, but the performance is limited by the volume/surface area ratio and the specificity of the processing technology, so that the application of the silver chloride electrode in a deep sea environment is limited. The existing ocean electric field sensor electrode is mainly an electrochemical electrode, and the electrode has high electron migration speed in the electrode, but polarization can occur in the use process, the problem of irreversible polarization can also occur, and the sensitivity of the sensor is directly reduced. The carbon fiber electrode belongs to a polarized electrode, is very sensitive to electric field change in a medium, has a specific surface area which is 100-1000 times that of a silver chloride electrode, and is an ideal material for manufacturing a sensor electrode. Patent number CN202662303U provides an ultra-micro carbon fiber electrode that is small and easy to manufacture. However, the ultrafine carbon fiber electrode is fragile and is not suitable for a high-pressure environment in deep sea because the glass tube is used as a shell. Patent number CN2387538Y discloses a low noise carbon fiber ultramicroelectrode which has excellent electrochemical performance, low noise and no leakage. However, the working environment of the electrode is relatively closed and stable, and the manufacturing process is high, so that the electrode is difficult to manufacture in a general laboratory and is not suitable for a deep sea environment. CN103048368A also discloses a method for preparing an ultra-micro electrode, which is similar to the previous CN2387538Y, and is also an assembly in a glass tube, and the test environment is special and is not suitable for deep sea. The reported carbon fiber sensor disclosed at present has limited foreign data, and some parameters are incomplete and cannot be compared. A carbon fiber ocean electric field electrode is prepared by naval engineering university Shen Zhen (Shen Zhen, etc. 2018), and self noise reaches 1 nV/Hz@1Hz. The total length of the electrode was 14cm. Although the volume is somewhat reduced, it is somewhat larger than the space of the detecting instrument in actual ocean exploration. The China university of ocean Liu Ang reports a modified carbon fiber ocean electric field electrode, which has a structure of carbon fiber externally plated with copper, is formed by epoxy resin sealing, has a rigid structure as a whole, and is not pressure-proof.
The TRIZ theory is the most representative product innovation design method based on knowledge in each scientific field, and the theoretical method followed by analyzing a large number of patent summary of the invention to solve the technical problem and performing the invention creation can indicate the direction for solving the problem of the designer. The TRIZ theory has distinct features and advantages. It successfully reveals the inherent laws and principles of the invention, focusing on clarifying and emphasizing contradictions existing in the system, rather than escaping the contradictions, with the goal of completely solving the contradictions, obtaining the final ideal solution, rather than taking compromises or compromises, and it is based on the development and evolution laws of technology to study the whole design and development process, rather than random behavior. Practice proves that by using TRIZ theory, the process of creating the invention can be greatly accelerated, and high-quality innovative products can be obtained. The method can help the system to analyze the situation of the problem, quickly find the nature or contradiction of the problem, accurately determine the exploration direction of the problem, break through thinking disorder, break through thinking orientation, perform system thinking with new vision analysis problem, predict future development trend according to the technical evolution rule, and help us develop new products with high competitiveness.
Disclosure of Invention
The invention aims at solving the problems that the current ocean electric field sensor is complex in structure, cannot meet the current requirements for ocean research and can cope with complex ocean environments. A novel ocean electric field sensor is provided to solve the above problems. The defects of the prior ocean electric field sensor technology are analyzed and innovated by adopting TRIZ theory, so that the usability of the sensor in the ocean is improved, and the defects of the prior art are improved. The invention relates to a micro carbon fiber electrode suitable for deep sea based on TRIZ concept.
In order to achieve the above purpose, the invention provides a marine electric field sensor, which comprises an electrode 1; a current collector 2; a sealing layer 3; and a wire 4. The electrode 1 is a sheet-like structure made of carbon fiber, wherein one side of the electrode 1 is in contact with seawater, the other side is covered with a layer of current collector 2 and connected with a lead 4, wherein the current collector 2 is made of conductive metal, the purpose of which is to collect an electric signal and transmit the electric signal to a detection device through the lead 4, and the current collector 2 is coated with a sealing material to prevent the metal from contacting the seawater. Wherein the sealing layer 3 can be used for attaching the electrode sensor to the surface of other objects by using an adhesive to play a role of fixing.
Compared with the prior art, the volume of the ocean electric field electrode is greatly reduced, and the requirement on the installation condition of the electrode is lower; can also be placed with other instruments and equipment; the shape can also be changed along with the experimental scheme and the experimental positions, and the method is worth popularizing greatly.
Drawings
FIG. 1 is a block diagram of a marine electric field sensor based on the TRIZ concept;
in the reference numerals: a-front view, B-section view, C-section enlarged view, 1-electrode, 2-current collector, 3-sealing layer, 4-wire.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The invention analyzes the gap between the existing ocean electric field sensor and the ideal state based on the TRIZ principle, belongs to the TRIZ problem, defines a conflict area, and provides a design thought of a novel ocean electric field sensor by applying a conflict matrix, wherein the following problems occur in the design process: 1. structural reinforcement is performed on the sensor structure, but the increased volume deteriorates the applicability to various environments; 2. simplifying the ocean electric field sensor may result in poor stability parameters.
Analysis of problem 1, since the conventional electric field electrode requires a series of protective housings to strengthen the mechanical properties of the electrode core, but the system is relatively bulky and cannot adapt to various environmental conditions, the problem is standardized: the structural stability is improved but the adaptability is deteriorated, and the corresponding inventive principle "30 flexible shell or film" for solving the conflict problem can be obtained through conflict matrix inquiry. The principle underlying the finding suggests: the electrodes are fabricated as flexible structures.
The problem 2 is analyzed, the structure of the electric field sensor in the prior art is complex, but the stability of the sensor is poor after the structure of the sensor is simplified, and the sensor cannot work normally. Problem standardization processing: the complexity of the device improves but the structural stability deteriorates. The principle underlying the corresponding inventive principle "17-dimensional change" of solving this conflict problem can be derived by conflict matrix query as follows: the electrode is changed into a sheet structure, and only one surface of the electrode contacts seawater to collect electric signals.
According to fig. 1, a micro carbon fiber electrode suitable for deep sea based on the TRIZ concept comprises an electrode 1, a current collector 2, a sealing layer 3 and a wire 4. The electrode 1 is a sheet-shaped structure made of carbon fibers, wherein one surface of the electrode 1 is in contact with seawater, one end of the sheet-shaped electrode is provided with a current collector 2 and is connected with a signal wire 4, the current collector 2 is made of conductive metal, the purpose of the electrode is to collect electric field electric signals and transmit the electric field electric signals to detection equipment through the signal wire 4, and the current collector 2 is coated with a fluororesin sealing material to prevent the metal from contacting the seawater and protect the metal from reacting with the seawater.
Further, the carbon fiber electrode layer is not limited to one structure, and may be woven of carbon fibers or may be woven by other methods. The main purpose of the method is to increase the specific surface area of the carbon fiber electrode contacted with seawater by constructing a three-dimensional structure of the carbon fiber.
Further, the material of the current collector 2 is not limited to the conductive metal, and may be other nonmetallic substances having good conductivity; the electrode is also a metal-nonmetal compound, and the purpose of the electrode is to transmit the electric signals collected by the electrode to a signal wire, and the electric signals reach related detection equipment through transmission, and meet the requirement of flexibility.
Further, the sealing layer 3 is not limited to use of fluorine resin, but other sealing schemes such as polyurethane may be used. The purpose is to protect the current collector from seawater and marine organisms.
Further, an adhesive may be used outside the sealing layer 3 to attach the electrode sensor to the surface of another object to perform a fixing function. A physical snap-fit arrangement may also be used to connect to the plane of the instrument to be mounted.
Further, the ocean electric field sensor is characterized by being made into any shape, not limited to the shape shown in the drawings, and is suitable for testing and electrode placement.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (4)
1. The micro carbon fiber electrode suitable for deep sea based on the TRIZ concept is characterized by comprising an electrode (1), a current collector (2), a sealing layer (3) and a wire (4); the electrode (1) is a sheet-like structure made of carbon fibers; wherein,,
one surface of the electrode (1) is in contact with seawater and is used for collecting electric field electric signals in the seawater;
the other surface of the electrode is covered with a layer of current collector (2) and is connected with a lead (4), and the current collector (2) can collect electric field electric signals conducted by the electrode (1) and transmit the electric field electric signals to detection equipment through the signal wire (4);
the current collector (2) is externally coated with a sealing layer (3) for preventing the current collector (2) from contacting seawater and preventing the current collector (2) from reacting with the seawater;
the carbon fiber electrode is formed by weaving carbon fibers, and the specific surface area of the carbon fiber electrode in contact with seawater is increased by constructing a three-dimensional structure of the carbon fibers so as to reduce the volume of the micro carbon fiber electrode.
2. Micro carbon fiber electrode suitable for deep sea based on the TRIZ concept according to claim 1, characterized in that the current collector (2) is made of conductive metal, non-metal or composite material.
3. Micro carbon fiber electrode suitable for deep sea based on TRIZ concept according to claim 1, characterized in that the sealing layer (3) is fluororesin or polyurethane.
4. Micro carbon fiber electrode suitable for deep sea based on TRIZ concept according to claim 1, characterized in that the sealing layer (3) can be externally connected and combined with the plane of the instrument to be carried using adhesive or physical snap structure.
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