CN206479437U - A kind of electrochemical sensor monitored for air corrosion - Google Patents
A kind of electrochemical sensor monitored for air corrosion Download PDFInfo
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- CN206479437U CN206479437U CN201621362645.0U CN201621362645U CN206479437U CN 206479437 U CN206479437 U CN 206479437U CN 201621362645 U CN201621362645 U CN 201621362645U CN 206479437 U CN206479437 U CN 206479437U
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- silk
- electrochemical sensor
- sensing
- metal silk
- pcb board
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Abstract
The utility model discloses a kind of electrochemical sensor monitored for air corrosion, including pcb board, the aviation plug electrically connected with the pcb board, reference metal silk and sensing metal silk；The first plurality of copper traces and the second plurality of copper traces are packaged with the pcb board, the reference metal wire bond is connected on the two ends of first plurality of copper traces, and the sensing metal wire bond is connected on the two ends of second plurality of copper traces.The utility model high-resolution, high sensitivity, stability is good, and favorable reproducibility is easy to make, the advantages of portable, is adapted to on-line real time monitoring air to corrosion of metal situation, has a good application prospect.
Description
Technical field
The utility model belongs to air corrosion monitoring field, more particularly to a kind of for monitoring electromechanical equipment or weaponry
The electrochemical sensor of corrosion condition in atmosphere.
Background technology
In electromechanical equipment (such as boiler, oil pipe, reactor) or weaponry (such as cannon, aircraft and other weights are military
Device) generally require using rustproof packaging material progress integral sealing, its purpose one is to prevent the corrosive gas in air from entering
In packaging, cause equipment corrosion；Two be packaging in rust-preventing characteristic component (such as vapour phase inhibitor) can equipment surface formation one
The good absorption diaphragm of layer, but if breakage occurs in transport or long term storage for packing material, causes antirust composition to leak,
Steam and corrosive gas intrusion, then can cause key equipment corrosion, influence the safe handling of equipment, useed force especially for army
Device can also cause bigger potential safety hazard.
Therefore, prior art need further development and improved.
The content of the invention
The purpose of this utility model, be overcome the rate of metal corrosion precision in existing electrochemical techniques test air it is low,
The defects such as sensitivity deficiency can monitor the electrochemical sensor of air corrosion speed on-line for a long time there is provided a kind of, improve corrosion
The precision of monitoring, and the more subtly situation of change of feedback air corrosive environment.
The utility model is achieved by following technical solution：
A kind of electrochemical sensor monitored for air corrosion, including pcb board, the aviation that is electrically connected with the pcb board
Plug, reference metal silk and sensing metal silk；The first plurality of copper traces and the second plurality of copper traces are packaged with the pcb board, it is described
Reference metal wire bond is connected on the two ends of first plurality of copper traces, and the sensing metal wire bond is connected on second plurality of copper traces
Two ends.
Described electrochemical sensor, wherein, the reference metal silk and sensing metal silk include three diameters
And two-by-two non-touching wire identical with length.
Described electrochemical sensor, wherein, the reference metal silk and sensing metal silk are connected in series.
Described electrochemical sensor, wherein, the reference metal silk is applied by insulating resin to be enclosed on pcb board, described
Sensing metal silk is exposed in air.
Described electrochemical sensor, wherein, reference metal silk and sensing metal silk have phase same material and
Physical dimension.
Described electrochemical sensor, wherein, the material of the reference metal silk and sensing metal silk is carbon steel.
Described electrochemical sensor, wherein, the material of reference metal silk and sensing metal silk is copper, aluminium,
One kind in iron, zinc and nickel.
Described electrochemical sensor, wherein, the diameter of the reference metal silk and sensing metal silk is 150 μ
m。
Described electrochemical sensor, wherein, the length of the reference metal silk and sensing metal silk is 26mm
To 30mm.
Described electrochemical sensor, wherein, the aviation plug clamps the pcb board and is screwed.
The electrochemical sensor for Monitoring Corrosion that the utility model is provided, compared with prior art, is realized
The long-term on-line monitoring of rate of metal corrosion in air dielectric, accuracy and sensitivity is higher, and stability and repeatability are more preferable, into
This is relatively low.
Brief description of the drawings
Fig. 1 is electrochemical sensor schematic diagram of the present utility model；
Fig. 2 is the circuit diagram in one embodiment of the present utility model.
The mark of the utility model accompanying drawing 1 is as follows：
1 --- the first soldering 2 --- sensing metal silk 3 --- pcb board
4 --- the second soldering 5 --- aviation plug 7 --- epoxy resin
8 --- reference metal 9 --- the first plurality of copper traces 10 --- second plurality of copper traces of silk
Embodiment
The utility model is further described below in conjunction with the accompanying drawings.
As shown in figure 1, the utility model provide be used for air corrosion monitor electrochemical sensor include pcb board 3, with
6 core aviation plugs 5, reference metal silk 8 and sensing metal silk 2 that the pcb board 3 is electrically connected；Certainly, however it is not limited to 6 core aviations
Plug, other aviation plugs also may be used.The first plurality of copper traces 9 and the second plurality of copper traces 10, the ginseng are packaged with the pcb board 3
The two ends of first plurality of copper traces 9 are welded on and by insulating resin by the first soldering 1 and the second soldering 4 than wire 8
Painting is enclosed on the pcb board 3, and the sensing metal silk 2 is welded on second copper film by the first soldering 1 and the second soldering 4
The two ends of wire 10.The pcb board 3 is rectangle structure, and the first plurality of copper traces 9 and the second plurality of copper traces 10 are encapsulated in PCB
In plate 3, it is not exposed in air, it is to avoid plurality of copper traces influences the monitoring precision of sensor by air corrosion.
Further, the reference metal silk 8 and sensing metal silk 2 include three diameters and length identical gold
Belong to silk, and with phase same material and physical dimension.Specifically, 8 two ends of reference metal silk are welded in pcb board 3 with soldering
First paragraph plurality of copper traces 9 two ends, three reference metals silk 8 is not in contact with each other two-by-two, and three reference metals silks 8 use transparent ring
Oxygen tree fat envelope is applied, and it is not exposed to air completely；2 two ends of sensing metal silk are welded in second in pcb board 3 with soldering
The two ends of plurality of copper traces 10, three sensing metal silks 2 are not in contact with each other two-by-two.It is different from reference metal 8 encapsulation of silk, three sensing gold
Category silk 2 is directly exposed in air.
Preferably, reference metal silk 8 and sensing metal 2 materials of silk are carbon steel, and this is also not necessarily limited to certainly, can be with
For one kind in copper, aluminium, iron, zinc, nickel.The diameter of the reference metal silk 8 and sensing metal silk 2 is preferably 150 μm.It is long
Degree is 26mm to 30mm.
The 6 core aviation plug 5 is fixed the core aviation plug 5 of pcb board 3 and 6 by the screw of pin tail, PCB plates
Welded and turned on wire between 3 silk-screen end and 6 core aviation plugs 5.After fixation, the afterbody of 6 core aviation plug 5 and pcb board 3
Between space transparent epoxy resin embedding.
When prepared by sensor, first reference metal silk 8 and sensing metal silk 2 are welded on pcb board 3, then by itself and 6
Core aviation plug 5 is connected, fixed, and finally applies envelope reference metal silk, the afterbody of 6 core aviation plug of embedding 5 with transparent epoxy resin.
When the utility model is used for air corrosion monitoring, 6 core aviation plugs are connected on air corrosion monitor, monitor
It can select CST480C air corrosion monitors.As shown in Fig. 2 the utility model air corrosion monitoring electrochemical sensor is used
The measuring principle of four electrode measuring resistance methods.Electric current forms current loop from No. 1 end outflow from No. 4 end inflows.No. 1 end and No. 2 ends
Measure reference metal silk both end voltage；No. 3 ends and No. 4 end measurement sensing resistor silk both end voltages.By calculating, sensing is converted to
The aerial corrosion rate of wire.
What the utility model was provided is used for the electrochemical sensor that air corrosion is monitored, with high-resolution, high sensitivity,
Stability is good, and favorable reproducibility is easy to make, the advantages of portable, and measurement accuracy can reach 1/5000, and resolution ratio is 1.43 μ Ω, is fitted
On-line real time monitoring air is closed to corrosion of metal situation.It is particularly suitable for use in the places such as long-term on-line monitoring computer room, arm store
The aerial corrosion rate of metal, has a extensive future.
Claims (10)
1. a kind of electrochemical sensor monitored for air corrosion, it is characterised in that be electrically connected including pcb board, with the pcb board
Aviation plug, reference metal silk and the sensing metal silk connect；The first plurality of copper traces is packaged with the pcb board and the second copper film is led
Line, the reference metal wire bond is connected on the two ends of first plurality of copper traces, and the sensing metal wire bond is connected on second bronze medal
The two ends of film wire.
2. electrochemical sensor according to claim 1, it is characterised in that the reference metal silk and the sensing metal
Silk includes that three diameters are identical with length and non-touching wire two-by-two.
3. electrochemical sensor according to claim 1 or 2, it is characterised in that the reference metal silk and the sensing
Wire is connected in series.
4. electrochemical sensor according to claim 1, it is characterised in that the reference metal silk is applied by insulating resin
It is enclosed on pcb board, the sensing metal silk is exposed in air.
5. electrochemical sensor according to claim 1 or 2, it is characterised in that the reference metal silk and the sensing
Wire has phase same material and physical dimension.
6. electrochemical sensor according to claim 5, it is characterised in that the reference metal silk and the sensing metal
The material of silk is carbon steel.
7. electrochemical sensor according to claim 5, it is characterised in that the reference metal silk and the sensing metal
The material of silk is one kind in copper, aluminium, iron, zinc and nickel.
8. electrochemical sensor according to claim 5, it is characterised in that the reference metal silk and the sensing metal
The diameter of silk is 150 μm.
9. electrochemical sensor according to claim 5, it is characterised in that the reference metal silk and the sensing metal
The length of silk is 26mm to 30mm.
10. electrochemical sensor according to claim 1, it is characterised in that the aviation plug clamps the pcb board simultaneously
It is screwed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621362645.0U CN206479437U (en) | 2016-12-13 | 2016-12-13 | A kind of electrochemical sensor monitored for air corrosion |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621362645.0U CN206479437U (en) | 2016-12-13 | 2016-12-13 | A kind of electrochemical sensor monitored for air corrosion |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206479437U true CN206479437U (en) | 2017-09-08 |
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ID=59756616
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621362645.0U Active CN206479437U (en) | 2016-12-13 | 2016-12-13 | A kind of electrochemical sensor monitored for air corrosion |
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| CN (1) | CN206479437U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107421879A (en) * | 2017-09-12 | 2017-12-01 | 南方电网科学研究院有限责任公司 | A kind of electrochemical probe |
-
2016
- 2016-12-13 CN CN201621362645.0U patent/CN206479437U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107421879A (en) * | 2017-09-12 | 2017-12-01 | 南方电网科学研究院有限责任公司 | A kind of electrochemical probe |
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