CN106645300A - Sensor for measuring salt content on surface of solid - Google Patents
Sensor for measuring salt content on surface of solid Download PDFInfo
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- CN106645300A CN106645300A CN201611057682.5A CN201611057682A CN106645300A CN 106645300 A CN106645300 A CN 106645300A CN 201611057682 A CN201611057682 A CN 201611057682A CN 106645300 A CN106645300 A CN 106645300A
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- electrode
- salt content
- outer ring
- conductance cell
- content determination
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/02—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance
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- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
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- Health & Medical Sciences (AREA)
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- General Physics & Mathematics (AREA)
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- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
Abstract
The invention discloses a sensor for measuring a salt content on the surface of a solid. The sensor comprises water-absorbing test paper, an anisotropic conductive film, a conductance cell and an insulating hydrophobic isolating device, wherein the water-absorbing test paper is bonded on an electrode of the conductance cell through the anisotropic conductive film; the anisotropic conductive film is electrically conducted in a direction perpendicular to the water-absorbing test paper and is insulated in a direction parallel to the water-absorbing test paper; the electrode of the conductance cell is electrically connected with an external conductivity measuring device; the insulating hydrophobic isolating device is used for preventing liquid in the water-absorbing test paper from diffusing to the external conductivity measuring device. By using the sensor, the defects that a to-be-detected sample needs to be sampled and detected (for example, a mural can be detected only after being subjected to micro core sampling) in the prior art are overcome; the additional sampling is not needed; the direct detection on the salt content on the fixed surface of the to-be-detected sample is realized; the destroy cannot be caused to the to-be-detected sample.
Description
Technical field
The present invention relates to a kind of sensor of the salt content of the measurement surface of solids.
Background technology
Soluble salt causes the disease of the various forms of expression and causes the damage of mural painting in wall painting surface.Determine wall painting surface salt
Divide content, the salt damage prevention, desalting effect for mural painting is assessed, prevents secondary salt damage from occurring all have significance.And mural painting sheet
The value that body has requires that wall painting surface salinity detection method is lossless to mural painting.
However, existing wall painting surface salinity detection technique is both needed to that mural painting is carried out to detect after micro- boring sample.Take
The sample that sample is obtained, using titrimetry, can measure the ion concentration in sample solution after immersion filtration etc. is processed, from
And determine the salt content in mural painting sample.This method needs sampling, and continuous mode is complicated, is easily affected by manual operation.
Light source is that the common analysis of X-ray have X-ray diffraction, XRF, energy translation, photoelectron energy
The methods such as spectrum.Although the chemical composition of sample can be obtained, the valence state of element even in sample, these methods are to specialty
Equipment and operator require higher, Financial cost height.
Include infrared absorption spectroscopy and raman scattering spectrum using the optical analysis method of other light sources, sample can be determined
Interior chemical bond, same Financial cost is higher.
Additionally, electricity analysis method has high performance capillary electrophoresis and the chromatography of ions, although can detect in sample into
Point, sampling operation is all essential.
The content of the invention
It is an object of the invention to overcome the deficiencies in the prior art, there is provided a kind of surface of solids salt content determines sensing
Device.
For achieving the above object, the technical solution used in the present invention is：Surface of solids salt content of the present invention is determined and passed
Sensor includes water suction reagent paper, anisotropic conductive film, conductance cell and insulating hydrophobic isolating device, and the water suction reagent paper passes through different side
Property conductive adhesive film be bonded on the electrode of conductance cell, the anisotropic conductive film on the direction of water suction reagent paper electrically
Conducting, the insulation on the direction parallel to water suction reagent paper, electrode and the external conductivity measurement apparatus of the conductance cell electrically connect
Connect, the insulating hydrophobic isolating device is used to prevent the liquid absorbed water in reagent paper from diffusing to external conductivity measurement apparatus.
Further, insulating hydrophobic isolating device of the present invention is arranged on the substrate of the conductance cell.
Further, water suction reagent paper of the present invention covers the electrode of the conductance cell.
Further, electrode of the present invention is connected by wire with external conductivity measurement apparatus.
Further, each electrode of conductance cell of the present invention is by a wire and external conductivity measurement dress
The golden finger connection put.
Further, the electrode of conductance cell of the present invention is two shape identical circular ring electrodes, and one of them is
Outer ring electrode, another is inner rings of electrode, and inner rings of electrode is placed in outer ring electrode, and outer ring electrode is heavy with the center of circle of inner rings of electrode
Close, the annulus area equation of outer ring electrode and inner rings of electrode.
Compared with prior art, the invention has the beneficial effects as follows：Inventive sensor can not destroy sample to be tested
Under the premise of, water suction reagent paper is contacted with the surface of solids to be measured, the water suction reagent paper dissolved solid salt surfactant of moistening, inside reagent paper
Conductive ion is formed, the amount of conductive materials can be characterized according to conductivity value, obtain to be measured by determining the electrical conductivity of water suction reagent paper
The salt content of fixation surface.It can be seen that, need to be sampled sample to be tested detection relative to prior art（Such as mural painting is carried out
Could detect after micro- boring sample）Defect, inventive sensor need not sample separately, realize the fixed table to sample to be tested
The direct detection of the salt content in face.
Description of the drawings
Fig. 1 is the connection diagram of surface of solids salt content determination sensor and external conductivity measurement apparatus；
Fig. 2 is the upward view of Fig. 1.
Specific embodiment
As depicted in figs. 1 and 2, surface of solids salt content determination sensor of the present invention includes that water suction reagent paper 1, anisotropy is led
Electric glued membrane（ACF）2nd, conductance cell 3 and insulating hydrophobic isolating device 4.Water suction reagent paper 1 is bonded in electricity by anisotropic conductive film 2
Lead on the electrode in pond 3.Anisotropic conductive film 2 is in the electrically conducting on the direction of water suction reagent paper 1, parallel to water suction examination
Insulate on the direction of paper 1.The electrode of conductance cell 3 is electrically connected with external conductivity measurement apparatus so that external conductivity is measured
Device can measure electrical conductivity by conductance cell 3.Insulating hydrophobic isolating device 4 is used for the liquid diffusion for preventing from absorbing water in reagent paper 1
To external conductivity measurement apparatus.To make the compact conformation of inventive sensor, insulating hydrophobic isolating device can be located at conductance
On the substrate in pond 3.Insulating hydrophobic isolating device 4 is formed after being solidified by insulating hydrophobic adhesive, to prevent from absorbing water in reagent paper 1
Liquid diffusion flow into external conductivity measurement apparatus circuit.
Used as one embodiment of the present invention, conductance cell 3 includes wire and the electrode for measuring electrical conductivity, water suction examination
Paper 1 covers the electrode of the conductance cell, and electrode is connected by wire with external conductivity measurement apparatus.Each electrode can pass through one
Root wire is connected with a golden finger of external conductivity measurement apparatus, not the wire with annexation, electrode, golden finger it
Between should avoid be electrically connected and cause short circuit.If the substrate of conductance cell 3 is fabricated from a flexible material and becomes flexible PCB
（FPC）, then inventive sensor can be used to measuring the salt content that surface to be measured is curved surface.Preferably, the substrate of conductance cell 3 can
It is made up of double-faced flexible copper-clad plate.
Used as the preferred embodiment of the present invention, as depicted in figs. 1 and 2, the electrode of conductance cell 3 is two shape identicals
Circular ring electrode, one of them is outer ring electrode 5, and another is inner rings of electrode 6, and outer ring electrode 5 and inner rings of electrode 6 are printed on electricity
Lead on the substrate in pond 3, in the same plane, inner rings of electrode 6 is placed in outer ring electrode 5, and outer ring electrode 5 and inner rings of electrode 6
The center of circle overlap, the annulus area equation of outer ring electrode 5 and inner rings of electrode 6.Water suction reagent paper 1 is added by anisotropic conductive film 2
It is bonded on outer ring electrode 5 and inner rings of electrode 6 after pressure heating.The length of side of water suction reagent paper 1 is inhaled more than the overall diameter of outer ring electrode 5
Water reagent paper 1 is completely covered outer ring electrode 5 and inner rings of electrode 6.Two round loop electrodes 5,6 of annulus area equation can be by electrode polarization
Effect is reduced, so as to improve certainty of measurement.Outer ring electrode 5 is electrically connected by wire 9 with golden finger 7, and inner rings of electrode 6 is by leading
Line 10 is electrically connected with golden finger 8.As depicted in figs. 1 and 2, insulating hydrophobic isolating device 4 be located at water suction reagent paper 1 and golden finger 7,
Between 8, to avoid the liquid absorbed water in reagent paper 1 from diffusing to golden finger 7,8, the circuit of external conductivity measurement apparatus is flowed into.
During using inventive sensor, in order to determine surface of solids salinity, first with the deionized water moistening sheet of certain volume
The water suction reagent paper 1 of invention sensor, then by the surface of the water suction reagent paper 1 of moistening and the surface of solids to be measured（Such as the surface of mural painting）
It is fully contacted, makes the moisture possessed in water suction reagent paper 1 dissolve the salinity of the surface of solids to be measured during this period, will absorbs water afterwards reagent paper
1 takes off.Used as the tolerance of the amount of the conductive materials contained in medium, be internally formed conductive ion in water suction reagent paper 1 is electrical conductivity
The prerequisite of measurement electrical conductivity.External conductivity measurement apparatus will feed current to two round loop electrodes by golden finger 7,8
5th, 6, while carrying out voltage measurement to the two electrodes.External conductivity measurement apparatus are calculated the electrical conductivity of water suction reagent paper 1,
According to conductivity measurements and the amount dependency relation of the conductive ion of the inside dissolving of water suction reagent paper 1, the surface of solids to be measured is obtained
Salt content.
Inventive sensor is particularly suitable for the measurement of the salt content to wall painting surface or steel surface.
Claims (10)
1. a kind of surface of solids salt content determination sensor, it is characterised in that：Including water suction reagent paper（1）, anisotropic conductive
Film（2）, conductance cell（3）With insulating hydrophobic isolating device（4）, the water suction reagent paper（1）By anisotropic conductive film（2）Bonding
In conductance cell（3）Electrode on, the anisotropic conductive film（2）Perpendicular to water suction reagent paper（1）Direction on electrically conducting,
Parallel to water suction reagent paper（1）Direction on insulate, the conductance cell（3）Electrode electrically connect with external conductivity measurement apparatus
Connect, the insulating hydrophobic isolating device（4）For preventing the reagent paper that absorbs water（1）In liquid diffuse to external conductivity measurement dress
Put.
2. surface of solids salt content determination sensor according to claim 1, it is characterised in that：The insulating hydrophobic every
The conductance cell is arranged at from device（3）Substrate on.
3. surface of solids salt content determination sensor according to claim 1 and 2, it is characterised in that：The water suction examination
Paper（1）Cover the electrode of the conductance cell.
4. surface of solids salt content determination sensor according to claim 1 and 2, it is characterised in that：The electrode leads to
Cross wire to be connected with external conductivity measurement apparatus.
5. surface of solids salt content determination sensor according to claim 3, it is characterised in that：The electrode is by leading
Line is connected with external conductivity measurement apparatus.
6. surface of solids salt content determination sensor according to claim 4, it is characterised in that：The conductance cell it is every
Individual electrode is connected by a wire with a golden finger of external conductivity measurement apparatus.
7. surface of solids salt content determination sensor according to claim 5, it is characterised in that：The conductance cell it is every
Individual electrode is connected by a wire with a golden finger of external conductivity measurement apparatus.
8. the surface of solids salt content determination sensor according to claim 1,2,5,6 or 7, it is characterised in that：It is described
The electrode of conductance cell is two shape identical circular ring electrodes, and one of them is outer ring electrode（5）, another is inner rings of electrode
（6）, inner rings of electrode（6）It is placed in outer ring electrode（5）It is interior, and outer ring electrode（5）With inner rings of electrode（6）The center of circle overlap, outer shroud electricity
Pole（5）With inner rings of electrode（6）Annulus area equation.
9. surface of solids salt content determination sensor according to claim 3, it is characterised in that：The electricity of the conductance cell
Extremely two shape identical circular ring electrodes, one of them is outer ring electrode（5）, another is inner rings of electrode（6）, internal ring electricity
Pole（6）It is placed in outer ring electrode（5）It is interior, and outer ring electrode（5）With inner rings of electrode（6）The center of circle overlap, outer ring electrode（5）With internal ring
Electrode（6）Annulus area equation.
10. surface of solids salt content determination sensor according to claim 4, it is characterised in that：The conductance cell
Electrode is two shape identical circular ring electrodes, and one of them is outer ring electrode（5）, another is inner rings of electrode（6）, internal ring
Electrode（6）It is placed in outer ring electrode（5）It is interior, and outer ring electrode（5）With inner rings of electrode（6）The center of circle overlap, outer ring electrode（5）With it is interior
Ring electrode（6）Annulus area equation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611057682.5A CN106645300A (en) | 2016-11-26 | 2016-11-26 | Sensor for measuring salt content on surface of solid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611057682.5A CN106645300A (en) | 2016-11-26 | 2016-11-26 | Sensor for measuring salt content on surface of solid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106645300A true CN106645300A (en) | 2017-05-10 |
Family
ID=58811560
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611057682.5A Pending CN106645300A (en) | 2016-11-26 | 2016-11-26 | Sensor for measuring salt content on surface of solid |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106645300A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2019053010A (en) * | 2017-09-19 | 2019-04-04 | タツタ電線株式会社 | Sheet sensor |
| CN113970576A (en) * | 2021-09-14 | 2022-01-25 | 中国电器科学研究院股份有限公司 | Real-time monitoring device and method for surface salt sedimentation amount |
| CN114096837A (en) * | 2019-06-25 | 2022-02-25 | 株式会社斯库林集团 | Cell potential measuring device |
Citations (5)
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| EP0365342A2 (en) * | 1988-10-21 | 1990-04-25 | Nnc Limited | Contamination meter |
| CN1558227A (en) * | 2004-01-14 | 2004-12-29 | 浙江大学 | Liquid phase components analyzer for acoustic surface wave array transducer |
| CN204964435U (en) * | 2015-09-30 | 2016-01-13 | 浙江大学 | Gaseous sensing monitoring devices of multilayer formula electrochemistry |
| CN206208820U (en) * | 2016-11-26 | 2017-05-31 | 浙江大学 | A kind of surface of solids salt content determination sensor |
| US20170153197A1 (en) * | 2014-06-30 | 2017-06-01 | Elcometer Limited | Contamination Meter |
-
2016
- 2016-11-26 CN CN201611057682.5A patent/CN106645300A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0365342A2 (en) * | 1988-10-21 | 1990-04-25 | Nnc Limited | Contamination meter |
| CN1558227A (en) * | 2004-01-14 | 2004-12-29 | 浙江大学 | Liquid phase components analyzer for acoustic surface wave array transducer |
| US20170153197A1 (en) * | 2014-06-30 | 2017-06-01 | Elcometer Limited | Contamination Meter |
| CN204964435U (en) * | 2015-09-30 | 2016-01-13 | 浙江大学 | Gaseous sensing monitoring devices of multilayer formula electrochemistry |
| CN206208820U (en) * | 2016-11-26 | 2017-05-31 | 浙江大学 | A kind of surface of solids salt content determination sensor |
Non-Patent Citations (1)
| Title |
|---|
| 吴文明等, 华中科技大学出版社 * |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2019053010A (en) * | 2017-09-19 | 2019-04-04 | タツタ電線株式会社 | Sheet sensor |
| US10876985B2 (en) | 2017-09-19 | 2020-12-29 | Tatsuta Electric Wire & Cable Co., Ltd. | Sheet sensor |
| CN114096837A (en) * | 2019-06-25 | 2022-02-25 | 株式会社斯库林集团 | Cell potential measuring device |
| CN113970576A (en) * | 2021-09-14 | 2022-01-25 | 中国电器科学研究院股份有限公司 | Real-time monitoring device and method for surface salt sedimentation amount |
| CN113970576B (en) * | 2021-09-14 | 2022-05-06 | 中国电器科学研究院股份有限公司 | Real-time monitoring device and method for surface salt sedimentation amount |
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