CN205786244U - Atmospheric corrosiveness monitoring device - Google Patents
Atmospheric corrosiveness monitoring device Download PDFInfo
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- CN205786244U CN205786244U CN201620508544.3U CN201620508544U CN205786244U CN 205786244 U CN205786244 U CN 205786244U CN 201620508544 U CN201620508544 U CN 201620508544U CN 205786244 U CN205786244 U CN 205786244U
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- corrosion
- galvanic current
- metal electrode
- monitoring device
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- 238000012806 monitoring device Methods 0.000 title claims abstract description 17
- 230000007797 corrosion Effects 0.000 claims abstract description 68
- 238000005260 corrosion Methods 0.000 claims abstract description 68
- 229910052751 metal Inorganic materials 0.000 claims abstract description 45
- 239000002184 metal Substances 0.000 claims abstract description 45
- 238000012544 monitoring process Methods 0.000 claims abstract description 38
- 238000005259 measurement Methods 0.000 claims abstract description 29
- 239000000523 sample Substances 0.000 claims abstract description 28
- 239000004973 liquid crystal related substance Substances 0.000 claims abstract description 16
- 238000012360 testing method Methods 0.000 claims abstract description 14
- 238000012545 processing Methods 0.000 claims description 28
- 238000004806 packaging method and process Methods 0.000 claims description 18
- 238000013500 data storage Methods 0.000 claims description 11
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- 238000006243 chemical reaction Methods 0.000 claims description 10
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- 239000007772 electrode material Substances 0.000 claims description 4
- YRKCREAYFQTBPV-UHFFFAOYSA-N acetylacetone Chemical compound CC(=O)CC(C)=O YRKCREAYFQTBPV-UHFFFAOYSA-N 0.000 claims description 3
- 239000000945 filler Substances 0.000 claims description 3
- 150000002739 metals Chemical class 0.000 claims description 3
- 230000003628 erosive effect Effects 0.000 claims description 2
- 208000031481 Pathologic Constriction Diseases 0.000 claims 1
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- 238000000034 method Methods 0.000 abstract description 7
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- 229910000975 Carbon steel Inorganic materials 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 239000010962 carbon steel Substances 0.000 description 1
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- 229910052802 copper Inorganic materials 0.000 description 1
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- 230000007423 decrease Effects 0.000 description 1
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- Testing Resistance To Weather, Investigating Materials By Mechanical Methods (AREA)
Abstract
This utility model relates to a kind of atmospheric corrosiveness monitoring device, has monitor, corrosion Galvanic Current monitoring probe and supporting test cable, and during work, corrosion Galvanic Current monitoring probe is connected by the connection socket of supporting test cable with monitor；Monitor includes Temperature Humidity Sensor, circuit of measurement and control plate, liquid crystal touch display screen and cabinet, wherein Temperature Humidity Sensor is arranged in the gap between case front panel and cabinet top panel, circuit of measurement and control plate is fixed in cabinet, and liquid crystal touch display screen is arranged on cabinet top panel.This utility model can quickly draw the on-the-spot atmospheric environment corrosion related data to selected metal, atmospheric corrosiveness is made Fast Evaluation, real-time corrosion parameter can be carried out according to the sampling rate pre-set to measure, to obtain the corrosion process information of atmosphere environment corrosion.
Description
Technical field
This utility model relates to a kind of environmental corrosion prison detection field, and specifically a kind of atmospheric corrosiveness monitoring sets
Standby.
Background technology
Along with global environment deteriorates, for the corrosivity monitoring and evaluation of metallic material corrosion and environment, countries in the world are all
Attach great importance to.Tradition carries out the main method of atmospheric corrosiveness assessment to be had: the corrosion of standard metal material (carbon steel, copper, aluminum, zinc)
The major influence factors Evaluation Method of weight-loss method and environmental corrosion, such as GB/T19292.1-2003.These methods not only data acquisition
Time is long, and data obtain relatively difficult.Therefore, carry out Real-Time Atmospheric corrosivity monitoring and evaluation, to understanding atmospheric corrosion
The etch state of property and material is significant.And develop the environmental corrosion field monitoring equipment of advanced person, it is achieved to environment
It is the key point of corrosiveness of the environment grading evaluation that corrosivity is monitored in real time.
The device being presently used for measuring metallic materials atmospheric corrosion is less, and patent CN101017127A provides one and sweeps
The method and apparatus retouching Kelvin probe and QCM joint test atmospheric corrosion of metal materials behavior.Although this dress
Put the test period shortening atmospheric corrosion of metal materials, but can be only used for laboratory simulation research, it is impossible to realize open air
The exposure test of atmospheric corrosion.
Utility model content
The exposure that cannot realize outdoor atmospheric corrosion for the device of measuring metallic materials atmospheric corrosion in prior art is surveyed
The deficiencies such as examination, the technical problems to be solved in the utility model is to provide one can quickly show that on-the-spot atmospheric environment is to special metal
The atmospheric corrosiveness monitoring device of the corrosion related data of material.
For solving above-mentioned technical problem, the technical solution adopted in the utility model is:
This utility model one atmospheric corrosiveness monitoring device, have monitor, corrosion Galvanic Current monitoring probe and
Supporting test cable, during work, corrosion Galvanic Current monitoring probe is connected by the connection socket of supporting test cable with monitor
Connect；Monitor includes Temperature Humidity Sensor, circuit of measurement and control plate, liquid crystal touch display screen and cabinet, and wherein humiture passes
Sensor is arranged in the gap between case front panel and cabinet top panel, and circuit of measurement and control plate is fixed in cabinet, liquid crystal
Touch display screen and be arranged on cabinet top panel.
Circuit of measurement and control plate is provided with circuit of measurement and control, including central processing unit, ambient temperature and humidity measuring unit, many
Individual corrosion Galvanic Current measuring unit, signal processing AD conversion unit, liquid crystal touch display screen unit, data storage element and
Clock unit, wherein ambient temperature and humidity measuring unit input side connects Temperature Humidity Sensor, ambient temperature and humidity measuring unit defeated
Go out end to be directly connected with central processing unit；Multiple corrosion Galvanic Current measuring units are carried out by signal processing AD conversion unit
It is connected with central processing unit after analog digital conversion；Central processing unit connects liquid crystal touch display screen unit and is controlled the input of signal
Output with measurement result.
Circuit of measurement and control also has data storage element, and central processing unit connects data storage element and enters measurement result
Row record, preservation；Circuit of measurement and control also has clock unit, and central processing unit connects clock unit and carries out timing.
Described each corrosion Galvanic Current measuring unit accesses 1 corrosion Galvanic Current monitoring probe, each corrosion galvanic couple electricity
The corrosion Galvanic Current monitoring probe electrode material that flow metering unit accesses is identical or different.
The sensing element of described Temperature Humidity Sensor and signal processing circuit are integrated on one piece of micro-circuit board, have exported
The full digital signal demarcated.
Corrosion Galvanic Current monitoring probe includes the metal electrode of two kinds of unlike materials, wire, O type binding post and spy
Head casing assembly, metal electrode is installed on probing shell assembly end by packaging ring, after wire electrically connects with metal electrode, by
Probing shell assembly the other end is drawn.
Described metal electrode structure is the comb teeth-shaped being interlocked, or the combination of multiple strip, metal electrode size and quantity
Selecting as required, it is ensured that more than or equal to 2, each metal electrode connects a wire respectively, connects the metal electricity of wire
Pole is arranged in packaging ring according to ACAC sequential parallel；Insulated enclosure is filled between metal electrode and probing shell assembly end
Glue, it is work surface that the upper surface of metal electrode exposes outside the part of electric insulating sealant.
Electric insulating sealant filler metal electrode, space between wire and packaging ring；Wire is from the rightabout of work surface
Passing electric insulating sealant, the wire connecting material metal electrode of the same race is connected on same binding post.
Probing shell assembly includes shell, packaging ring, locking wire device and dust cap, wherein, packaging ring package metals electrode,
Threadeding with shell and dust cap respectively in packaging ring two ends, shell is single radial cut cylinder-like structure, is provided with hole at the bottom of cylinder, and connection has
The wire of binding post is locked with locking wire device after aperture passes by enclosure.
Described cabinet is provided with detachably, the handle of adjustable angle.
This utility model has the advantages that and advantage:
1. this utility model can quickly draw the on-the-spot atmospheric environment corrosion related data to selected metal, to air
Corrosivity makes Fast Evaluation, can carry out real-time corrosion parameter according to the sampling rate pre-set and measure, big to obtain
The corrosion process information of gas environmental corrosion.
2. this utility model can detect the corrosion Galvanic Current atmospheric environment of ambient temperature, humidity and 3 passages simultaneously
Erosion analysis parameter, owing to the measuring circuit unit of all parameters all uses Parallel Design, therefore monitoring parameter may select, and adopts
Sample speed can be arranged.
3. this utility model circuit of measurement and control uses high accuracy, programmable chip, the monitoring of corrosion Galvanic Current to divide
Resolution can reach nA level.
4. this utility model have employed color liquid crystal touch screen technology replace conventional keypad buttons input, more convenient operation,
Equipment is more attractive.
Accompanying drawing explanation
Fig. 1 is monitor group structural representation in this utility model；
Fig. 2 is test control circuit composition frame chart in this utility model；
Fig. 3 is to corrode Galvanic Current monitoring sonde configuration figure in this utility model；
Fig. 4 A is the comb teeth-shaped structure chart that in this utility model, metal electrode is interlocked；
Fig. 4 B is metal electrode multiple strip combination assumption diagram in this utility model；
Fig. 5 is this utility model room atmosphere corrosion monitoring result diagram.
Wherein, 11 is monitor, and 12 is Temperature Humidity Sensor, and 13 is circuit of measurement and control plate, and 14 is cabinet, and 15 for connecting
Socket, 16 is liquid crystal touch display screen, and 17 is handle, and 21 is central processing unit, and 22 is ambient temperature and humidity measuring unit, and 23a is
First corrosion Galvanic Current measuring unit, 23b is the second corrosion Galvanic Current measuring unit, and 23c is the 3rd corrosion Galvanic Current
Measuring unit, 24 is signal processing AD conversion unit, and 25 is liquid crystal touch screen display unit, and 26 is data storage cell, 27
For clock unit, 31 is monitoring probe, and 32 is metal electrode, and 33 is wire, and 34 is binding post, and 35 is casting glue, and 36 is outward
Shell, 37 is packaging ring, and 38 is locking wire device, and 39 is dust cap, and 41 is A electrode, and 42 is C electrode.
Detailed description of the invention
Below in conjunction with Figure of description, this utility model is further elaborated.
As it is shown in figure 1, this utility model one atmospheric corrosiveness monitoring device, there is monitor 11, corrosion Galvanic Current
Monitoring probe 31 and supporting test cable, the data acquisition interface of monitor is by supporting test cable and corrosion Galvanic Current
Monitoring probe connects；Monitor includes Temperature Humidity Sensor 12, circuit of measurement and control plate 13, liquid crystal touch display screen 16 and machine
Case 14, wherein Temperature Humidity Sensor 12 is arranged in the gap between cabinet 14 front panel and 14 casees top panels of machine, measures and controls
Circuit board 13 is fixed in cabinet 14, and corrosion Galvanic Current monitoring probe 31 is placed on outside cabinet, by supporting test during work
Cable connects with the connection socket 15 (i.e. data acquisition interface) of monitor；Liquid crystal touch display screen 16 is arranged on cabinet 14 end face
Plate.Cabinet 14 is provided with detachably, the handle 17 of adjustable angle.
As in figure 2 it is shown, circuit of measurement and control plate is provided with circuit of measurement and control, warm and humid including central processing unit 21, environment
(can be 2～16, the present embodiment uses 3, i.e. first～three for degree measuring unit 22, multiple corrosion Galvanic Current measuring unit
Corrosion Galvanic Current measuring unit 23a, 23b, 23c), signal processing AD conversion unit 24, liquid crystal touch display screen unit 25,
Data storage element 26 and clock unit 27, wherein ambient temperature and humidity measuring unit 22 input connects Temperature Humidity Sensor 12,
The outfan of ambient temperature and humidity measuring unit 22 is directly connected with central processing unit 21；Multiple corrosion Galvanic Current measuring units are led to
Cross after signal processing AD conversion unit 24 carries out analog digital conversion and be connected with central processing unit 21；Central processing unit 21 connects liquid crystal
Touch display screen unit 25 and be controlled the input of signal (monitoring parameter selects, sampling rate is arranged) and the defeated of measurement result
Go out.
Circuit of measurement and control also has data storage element 26, and central processing unit 21 connects data storage element 26 to measurement
Result carries out recording, preserving；Circuit of measurement and control also has clock unit 27, and central processing unit 21 connects clock unit 27 to be carried out
Timing.In the present embodiment, data storage element 26 uses external USB flash disk to store form, and storage area is bigger, and data derive more square
Just.
Each corrosion Galvanic Current measuring unit at most can be accessed by 1 corrosion Galvanic Current monitoring probe 31.Multiple corrosion
Galvanic Current measuring unit can be accessed by identical corrosion Galvanic Current monitoring probe, it is also possible to accesses different corrosion galvanic couple electricity
Stream monitoring probe, its difference is that the electrode material of Galvanic Current monitoring probe is different.The selection of Measurement channel and electrode material
Determine according to monitoring field demand.
In the present embodiment, Temperature Humidity Sensor 12 uses integrated Temperature Humidity Sensor SHT75, Temperature Humidity Sensor and environment
Temperature and humidity measurement unit 22 is directly connected to.Described Temperature Humidity Sensor sensing element and signal processing circuit are integrated in one piece micro-
On type circuit board, the digital signal that output is demarcated completely.
As it is shown on figure 3, corrosion Galvanic Current monitoring probe 31 includes the metal electrode 32 of two kinds of unlike materials, wire 33, O
Type binding post 34 and probing shell assembly, metal electrode 32 is installed on probing shell assembly end by packaging ring 37, leads
After line 33 electrically connects with metal electrode 32, draw probing shell assembly the other end.
Metal electrode 32 structure is the comb teeth-shaped (as shown in Figure 4 A) being interlocked, or multiple strip combines (such as Fig. 4 B institute
Show), metal electrode size and quantity select as required, it is ensured that more than or equal to 2 (being necessary for even number), each metal electrode
32 connect a wire 33 respectively, connect the metal electrode of wire according to ACAC (wherein A represents anode, and C represents negative electrode) ...
It is inboard that sequential parallel is arranged in packaging ring 37；Adjacent metal electrode spacing is 0.3～0.7mm.Metal electrode and probing shell group
Filling electric insulating sealant 35 between part end, it is work that the upper surface of metal electrode 32 exposes outside the part of electric insulating sealant 35
Face.
Space between electric insulating sealant 35 filler metal electrode 32, wire 33 and packaging ring 37；Wire 33 is from work surface
Rightabout pass electric insulating sealant 35, the wire connecting same metal electrode is connected on same binding post 34 (this
Embodiment uses O type binding post).
Probing shell assembly preferred acrylic material is made, including shell 36, packaging ring 37, locking wire device 38 and dust cap
39, wherein, packaging ring 37 package metals electrode 32, threadeds, outward with shell 36 and dust cap 39 respectively in packaging ring 37 two ends
Shell 36 is single radial cut cylinder-like structure, is provided with hole at the bottom of cylinder, connects the wire 33 having O type binding post internal from aperture by shell 36
Lock with locking wire device 38 after passing.
Before implementing atmospheric corrosiveness monitoring, monitor the electrode surface of probe 31 with alcohol swab wiping corrosion Galvanic Current,
Remove pollutant on metal electrode 32 surface, and check that there is seamless, aperture etc. metal electrode 32 and Electronic Packaging glue interface
Defect；Checking that corrosion Galvanic Current monitoring probe 31 is the most normal, method is: with circuit tester inspection corrosion Galvanic Current probe
Whether short circuit between two O type binding posts 34, if non-short circuit, corrodes Galvanic Current probe normal.
Corrosion Galvanic Current monitoring probe 31 is connected with monitor 11 by supporting test cable.By this utility model equipment
It is placed on void spaces, it is ensured that good air circulation.Power on to monitor 11, select monitoring parameter volume and arrange between sampling
Every, the corrosion Galvanic Current that monitoring parameter is atmospheric temperature, atmospheric humidity and 1 passage that the present embodiment selects, the sampling interval
It is set to 60 seconds.Start monitoring automatically.When 17:00 to 9:00 in morning next day in afternoon, last about 1000 minutes altogether.Fig. 5 is prison
Survey result.
From the point of view of monitoring result, temperature, humidity and corrosion Galvanic Current variation tendency are coincide with theory completely.Temperature is from day
Falling to starting slowly to reduce, humidity the most slowly increases, and corrosion Galvanic Current increases likewise as the increase of humidity；Enter deep
At night, temperature is preferably minimized 28 DEG C, and humidity the most also reaches maximum 48%RH, and atmospheric corrosiveness arrives the strongest relatively, corrosion electricity
Even electric current also reaches maximum；M seq, temperature recovery, humidity declines, and atmospheric corrosiveness reduces, and corrosion Galvanic Current occurs
Decline rapidly.Galvanic Current is corroded 10 during whole monitoring-8The A order of magnitude changes, and atmospheric corrosiveness is the lightest.
This utility model contains all measuring principles being capable of this atmospheric corrosion monitoring device and modular construction, no
Being only limitted to content shown in the present embodiment, content shown in embodiment is not constituted any restriction of the present utility model.
Claims (10)
1. an atmospheric corrosiveness monitoring device, it is characterised in that: there is monitor, corrosion Galvanic Current monitoring probe and join
Set test cable, during work, corrosion Galvanic Current monitoring probe is connected by the connection socket of supporting test cable with monitor；
Monitor includes Temperature Humidity Sensor, circuit of measurement and control plate, liquid crystal touch display screen and cabinet, wherein Temperature Humidity Sensor
Being arranged in the gap between case front panel and cabinet top panel, circuit of measurement and control plate is fixed in cabinet, lcd touch
Display screen is arranged on cabinet top panel.
2. the atmospheric corrosiveness monitoring device as described in claim 1, it is characterised in that: circuit of measurement and control plate is provided with measurement
Control circuit, including central processing unit, ambient temperature and humidity measuring unit, multiple corrosion Galvanic Current measuring unit, signal processing
AD conversion unit, liquid crystal touch display screen unit, data storage element and clock unit, wherein ambient temperature and humidity measuring unit
Input side connects Temperature Humidity Sensor, and the outfan of ambient temperature and humidity measuring unit is directly connected with central processing unit；Multiple corruption
Erosion Galvanic Current measuring unit is connected with central processing unit after carrying out analog digital conversion by signal processing AD conversion unit；Central authorities
Processor connects liquid crystal touch display screen unit and is controlled the input of signal and the output of measurement result.
3. the atmospheric corrosiveness monitoring device as described in claim 2, it is characterised in that: circuit of measurement and control also has data storage
Memory cell, central processing unit connects data storage element and records measurement result, preserves；When circuit of measurement and control also has
Clock unit, central processing unit connects clock unit and carries out timing.
4. the atmospheric corrosiveness monitoring device as described in claim 2, it is characterised in that: described each corrosion Galvanic Current is measured
Unit accesses 1 corrosion Galvanic Current monitoring probe, the corrosion Galvanic Current monitoring that each corrosion Galvanic Current measuring unit accesses
Probe electrode material is identical or different.
5. the atmospheric corrosiveness monitoring device as described in claim 2, it is characterised in that: the sensing element of described Temperature Humidity Sensor
Part and signal processing circuit are integrated on one piece of micro-circuit board, the digital signal that output is demarcated completely.
6. the atmospheric corrosiveness monitoring device as described in claim 1, it is characterised in that: corrosion Galvanic Current monitoring probe includes
The metal electrode of two kinds of unlike materials, wire, O type binding post and probing shell assembly, metal electrode is pacified by packaging ring
It is loaded on probing shell assembly end, after wire electrically connects with metal electrode, draws probing shell assembly the other end.
7. the atmospheric corrosiveness monitoring device as described in claim 6, it is characterised in that: described metal electrode structure is for being interlocked
Comb teeth-shaped, or multiple strip combination, metal electrode size and quantity select as required, it is ensured that more than or equal to 2, each
Metal electrode connects a wire respectively, and the metal electrode connecting wire is arranged in packaging ring according to ACAC sequential parallel；
Filling electric insulating sealant between metal electrode and probing shell assembly end, the upper surface of metal electrode exposes outside electric insulating sealant
Part be work surface.
8. the atmospheric corrosiveness monitoring device as described in claim 7, it is characterised in that: electric insulating sealant filler metal electrode,
Space between wire and packaging ring；Wire passes electric insulating sealant from the rightabout of work surface, connects material metal of the same race
The wire of electrode is connected on same binding post.
9. the atmospheric corrosiveness monitoring device as described in claim 7, it is characterised in that: probing shell assembly includes shell, envelope
Dress ring, locking wire device and dust cap, wherein, packaging ring package metals electrode, packaging ring two ends respectively with shell and dust cap spiral shell
Stricture of vagina connects, and shell is single radial cut cylinder-like structure, is provided with hole at the bottom of cylinder, connects the wire having binding post by enclosure from aperture
Lock with locking wire device after passing.
10. the atmospheric corrosiveness monitoring device as described in claim 1, it is characterised in that: described cabinet is provided with detachable, adjustable
The handle of whole angle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620508544.3U CN205786244U (en) | 2016-05-30 | 2016-05-30 | Atmospheric corrosiveness monitoring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620508544.3U CN205786244U (en) | 2016-05-30 | 2016-05-30 | Atmospheric corrosiveness monitoring device |
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| CN205786244U true CN205786244U (en) | 2016-12-07 |
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ID=59979371
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| CN201620508544.3U Active CN205786244U (en) | 2016-05-30 | 2016-05-30 | Atmospheric corrosiveness monitoring device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105973794A (en) * | 2016-05-30 | 2016-09-28 | 中国科学院金属研究所 | Atmospheric corrosivity monitoring equipment |
| CN107991223A (en) * | 2017-11-27 | 2018-05-04 | 国网江西省电力有限公司电力科学研究院 | A kind of test button atmospheric corrosion exposure test device and method |
| CN109520920A (en) * | 2018-12-07 | 2019-03-26 | 国网山东省电力公司电力科学研究院 | Intelligent atmospheric corrosion detector |
-
2016
- 2016-05-30 CN CN201620508544.3U patent/CN205786244U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105973794A (en) * | 2016-05-30 | 2016-09-28 | 中国科学院金属研究所 | Atmospheric corrosivity monitoring equipment |
| CN107991223A (en) * | 2017-11-27 | 2018-05-04 | 国网江西省电力有限公司电力科学研究院 | A kind of test button atmospheric corrosion exposure test device and method |
| CN109520920A (en) * | 2018-12-07 | 2019-03-26 | 国网山东省电力公司电力科学研究院 | Intelligent atmospheric corrosion detector |
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