CN206459943U - The electrochemical sensor detected for nonmagnetic material atmospheric corrosion - Google Patents
The electrochemical sensor detected for nonmagnetic material atmospheric corrosion Download PDFInfo
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- CN206459943U CN206459943U CN201720006379.6U CN201720006379U CN206459943U CN 206459943 U CN206459943 U CN 206459943U CN 201720006379 U CN201720006379 U CN 201720006379U CN 206459943 U CN206459943 U CN 206459943U
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- wire
- compression spring
- electrode
- lower cover
- nonmagnetic material
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Abstract
The utility model provides a kind of electrochemical sensor detected for nonmagnetic material atmospheric corrosion, including sensor support base, reference electrode 2, to electrode 1, electrical contact leads device 5 and plastic wire 3, isolated between reference electrode 2 and lower end and nonmagnetic material surface to electrode 1 by plastic wire 3, it is characterized in that, sensor support base is absorption bearing 4, its underpart is fixed with sucker 6, electrical contact leads device 5 includes wire 8, upper lid 9, lower cover 11, housing 10, it is fixed on the sucker 12 and compression spring 13 of the bottom of housing 10, upper lid 9 and lower cover 11 are offered for the perforate through wire 8, compression spring 13 is placed between lid 9 and lower cover 11, the front portion of wire 8 is connected with compression spring, compression spring is to cause lead to be in close contact with metal surface to be measured.
Description
Technical field
The utility model is related to a kind of electrochemical sensor detected suitable for nonmagnetic material atmospheric corrosion, belongs to
Corrosion monitoring and detecting field.
Background technology
How the atmospheric corrosion performance of nonmagnetic material is evaluated, to reasonable selection nonmagnetic material and its evaluation
The service life of component has important directive significance.Although traditional weightless test method can evaluate the resistance to air of nonmagnetic substance
Corrosive nature, can not but realize the real-time measurement of atmospheric corrosion, and relatively time-consuming.
In recent years, electrochemical noise technique (electrochemical noise) starts for studying the big of metal material
Gas corrosion process.Electrochemical noise technique has lossless glitch-free feature in situ because of it, without to tested in measurement process
Electrode, which is applied with, may change the external disturbance of corroding electrode process, the electrode process model without pre-establishing tested systems,
And the remote monitoring of nonmagnetic material corrosion type and extent of corrosion can be realized.The utility model is by designing corrosion electricity
Electrode system and electrical contact leads part in chemical sensor, so that sensor application is examined in nonmagnetic metal atmospheric corrosion
Survey field.Easy to operate in detection process, environment resistant interference performance is strong, and the adhesive capacity to metal material to be measured strengthens, and can enter
One step is realized to supervise the long-term corrosion of nonmagnetic material and detected.
Utility model content
The utility model provides a kind of electrochemical sensor detected suitable for nonmagnetic material atmospheric corrosion, can be with
For judging the corrosion resistance of nonmagnetic material.The purpose of this utility model is achieved by following technical proposals：
A kind of electrochemical sensor detected for nonmagnetic material atmospheric corrosion, including sensor support base, reference
Electrode 2, to electrode 1, electrical contact leads device 5 and plastic wire 3, reference electrode 2 and the lower end to electrode 1 and nonmagnetic material
Isolated between surface by plastic wire 3, it is characterised in that sensor support base is absorption bearing 4, its underpart is fixed with sucker 6, electricity
Contact lead device 5 includes wire 8, upper lid 9, lower cover 11, housing 10, the sucker 12 and compression spring for being fixed on the bottom of housing 10
13, upper lid 9 and lower cover 11 are offered for the perforate through wire 8, and compression spring 13 is placed between lid 9 and lower cover 11,
The front portion of wire 8 is connected with compression spring, and compression spring is to cause lead to be in close contact with metal surface to be measured.
Preferably, it is also covered with water solubility gluing 7 in the bottom of absorption bearing 4.
Compared with prior art, the beneficial effects of the utility model are：It can be achieved to including nonmagnetic material
Hardware (or test piece) live real-time corrosion the detection of short-term prison, using electrochemical noise technique to tested systems without dry
Disturb, belong to Non-Destructive Testing；Because of presence water-soluble gluing and for its rubber suction cups structure for making closed environment, sensing is realized
The fastness of the combination of device and tested metal, improves the accuracy of measurement.
Brief description of the drawings
Fig. 1 is schematic diagram when atmospheric corrosion electrochemistry noise detection sensor works.Fig. 2 shows for the part of absorption bearing
It is intended to, Fig. 3 is electrical contact leads device structural representation.
Description of reference numerals is as follows：1 pair of electrode；2 reference electrodes；3 plastic wires；4 absorption bearings；5 electrical contact leads devices；6
Rubber suction cups；8 wires；Covered on 9；10 housings；11 lower covers；12 rubber suction cups；13 compression springs.
Embodiment
Fig. 1 detects for the atmospheric corrosion electrochemistry noise of the present utility model suitable for nonmagnetic metal component (or test piece)
Working sensor schematic diagram.Atmospheric corrosion electrochemistry noise detection sensor mainly includes two electrode-reference electrodes 2 and right
Electrode 1 (selects different reference electrodes 2) according to test environment, and the position of electrode distance test surfaces is adjustable.Sensor has three
Individual absorption bearing 4, as shown in Fig. 2 its bottom is covered with water-soluble viscose glue 7, lower outer layer is rubber suction cups 6, can close and firm
Adsorb in nonmagnetic metal component surface to be measured on ground.
As shown in figure 3, electrical contact leads device 5 includes wire 8, upper lid 9, housing 10, lower cover 11 and compression spring 10, upper lid
9 and lower cover 11 offer for the perforate through wire 8.Lead front portion is connected after stretching with compression spring, and compression spring is used to
So that lead is in close contact with metal surface to be measured.
Directly be electrically connected with metal material surface to be measured, Sensor Reference electrode 2 and to electrode 1 and steel surface to be measured it
Between put one layer of plastic wire 3.During test, adjustment reference electrode 2 and the position to electrode 1, until plastic wire 3 is compressed, three absorption
Bearing absorption completely is in tested metal surface.Plastics thickness of net is 500 microns, two aspects is played in atmospheric corrosion detection important
Effect：One is to avoid sensor and metal surface to be measured electrical communication, on the other hand because plastic wire has network structure and thickness
Degree is very thin, primarily to reducing the influence of solution resistance when testing, so that electrochemistry noise is tested.
The hardware or test piece atmospheric corrosion detection method realized using the sensor, including following step：
(1) first modeling is placed in tested hardware or test piece (can be hardware or the test piece of nonmagnetic substance) surface
Expect net 3, sensor is then placed thereon, adjust reference electrode 2 and to the distance between electrode 1 and plastic wire 3, make described
Two electrodes compress plastic wire 3, and (now, water-soluble viscose glue and rubber suction cups are adsorbed on metal to be measured completely；
(2) electrical contact leads device 5 is placed in sensor proximity, wire 8 is connected with metal surface to be measured；
(3) by reference electrode (2) and to electrode (1) and working electrode electrical contact leads (5) with having zero resistance circuit
Detection means is connected, and carries out electrochemistry noise test.
The electrochemical potentials noise signal and current noise of metallic material corrosion process to be measured can be gathered using the sensor
Signal.The decay resistance and service life problem of metal are tested using the evaluation of noise resistance value.
Claims (2)
1. a kind of electrochemical sensor detected for nonmagnetic material atmospheric corrosion, including sensor support base, reference electricity
Pole (2), to electrode (1), electrical contact leads device (5) and plastic wire (3), reference electrode (2) and the lower end to electrode (1) and non-magnetic
Property metal material surface between pass through plastic wire (3) isolate, it is characterised in that sensor support base for absorption bearing (4), its underpart
It is fixed with sucker (6), electrical contact leads device (5) includes wire (8), upper lid (9), lower cover (11), housing (10), is fixed on housing
(10) sucker (12) and compression spring (13) of bottom, upper lid (9) and lower cover (11) are offered for opening through wire (8)
Hole, compression spring (13) is placed between Shang Gai (9) and lower cover (11), and the front portion of wire (8) is connected with compression spring, compression spring
To cause lead to be in close contact with metal surface to be measured.
2. electrochemical sensor according to claim 1, it is characterised in that be also covered with the bottom of absorption bearing (4)
Water-soluble gluing (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720006379.6U CN206459943U (en) | 2017-01-04 | 2017-01-04 | The electrochemical sensor detected for nonmagnetic material atmospheric corrosion |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720006379.6U CN206459943U (en) | 2017-01-04 | 2017-01-04 | The electrochemical sensor detected for nonmagnetic material atmospheric corrosion |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206459943U true CN206459943U (en) | 2017-09-01 |
Family
ID=59696809
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720006379.6U Expired - Fee Related CN206459943U (en) | 2017-01-04 | 2017-01-04 | The electrochemical sensor detected for nonmagnetic material atmospheric corrosion |
Country Status (1)
| Country | Link |
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| CN (1) | CN206459943U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106596388A (en) * | 2017-01-04 | 2017-04-26 | 天津大学 | Electrochemical sensor for atmospheric corrosion detection of non-magnetic metal material |
-
2017
- 2017-01-04 CN CN201720006379.6U patent/CN206459943U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106596388A (en) * | 2017-01-04 | 2017-04-26 | 天津大学 | Electrochemical sensor for atmospheric corrosion detection of non-magnetic metal material |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP02 | Change in the address of a patent holder |
Address after: 300350 District, Jinnan District, Tianjin Haihe Education Park, 135 beautiful road, Beiyang campus of Tianjin University Patentee after: Tianjin University Address before: 300072 Tianjin City, Nankai District Wei Jin Road No. 92 Patentee before: Tianjin University |
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| CP02 | Change in the address of a patent holder | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170901 Termination date: 20180104 |
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| CF01 | Termination of patent right due to non-payment of annual fee |