CN202533402U - Atmospheric environment pollutant corrosion monitoring sensor - Google Patents
Atmospheric environment pollutant corrosion monitoring sensor Download PDFInfo
- Publication number
- CN202533402U CN202533402U CN2012201968618U CN201220196861U CN202533402U CN 202533402 U CN202533402 U CN 202533402U CN 2012201968618 U CN2012201968618 U CN 2012201968618U CN 201220196861 U CN201220196861 U CN 201220196861U CN 202533402 U CN202533402 U CN 202533402U
- Authority
- CN
- China
- Prior art keywords
- metal membrane
- line
- corrosion
- membrane line
- monitoring sensor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000005260 corrosion Methods 0.000 title claims abstract description 42
- 230000007797 corrosion Effects 0.000 title claims abstract description 41
- 238000012544 monitoring process Methods 0.000 title claims abstract description 19
- 239000003344 environmental pollutant Substances 0.000 title abstract description 11
- 231100000719 pollutant Toxicity 0.000 title abstract description 11
- 229910052751 metal Inorganic materials 0.000 claims abstract description 59
- 239000002184 metal Substances 0.000 claims abstract description 59
- 239000000758 substrate Substances 0.000 claims abstract description 13
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 7
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims abstract description 7
- 229910052802 copper Inorganic materials 0.000 claims abstract description 7
- 239000010949 copper Substances 0.000 claims abstract description 7
- 229910052725 zinc Inorganic materials 0.000 claims abstract description 7
- 239000011701 zinc Substances 0.000 claims abstract description 7
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 6
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 6
- 239000004332 silver Substances 0.000 claims abstract description 6
- 229910052709 silver Inorganic materials 0.000 claims abstract description 6
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims abstract description 5
- 239000012528 membrane Substances 0.000 claims description 42
- 238000012360 testing method Methods 0.000 claims description 29
- 238000003912 environmental pollution Methods 0.000 claims description 16
- 238000000034 method Methods 0.000 claims description 12
- 239000011347 resin Substances 0.000 claims description 10
- 229920005989 resin Polymers 0.000 claims description 10
- 239000004411 aluminium Substances 0.000 claims description 5
- 239000000919 ceramic Substances 0.000 claims description 5
- 238000009413 insulation Methods 0.000 claims description 5
- 238000000151 deposition Methods 0.000 claims description 4
- 238000005538 encapsulation Methods 0.000 claims description 4
- 238000004070 electrodeposition Methods 0.000 claims description 3
- 239000011521 glass Substances 0.000 claims description 3
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 claims description 2
- 238000005229 chemical vapour deposition Methods 0.000 claims description 2
- 230000008021 deposition Effects 0.000 claims description 2
- 238000004382 potting Methods 0.000 claims description 2
- 230000007613 environmental effect Effects 0.000 abstract description 5
- 238000005259 measurement Methods 0.000 abstract description 3
- 239000007787 solid Substances 0.000 abstract description 2
- 239000003990 capacitor Substances 0.000 abstract 1
- 150000002500 ions Chemical class 0.000 abstract 1
- 239000007788 liquid Substances 0.000 abstract 1
- 239000000523 sample Substances 0.000 description 29
- 239000010408 film Substances 0.000 description 15
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 6
- 230000003749 cleanliness Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- PNEYBMLMFCGWSK-UHFFFAOYSA-N Alumina Chemical compound [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 3
- 238000013461 design Methods 0.000 description 3
- 229910052742 iron Inorganic materials 0.000 description 3
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 3
- 239000000356 contaminant Substances 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000011156 evaluation Methods 0.000 description 2
- 238000004806 packaging method and process Methods 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 239000010409 thin film Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000003985 ceramic capacitor Substances 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 238000000053 physical method Methods 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000004544 sputter deposition Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000007738 vacuum evaporation Methods 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N17/00—Investigating resistance of materials to the weather, to corrosion, or to light
- G01N17/04—Corrosion probes
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Biodiversity & Conservation Biology (AREA)
- Ecology (AREA)
- Environmental & Geological Engineering (AREA)
- Environmental Sciences (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Testing Resistance To Weather, Investigating Materials By Mechanical Methods (AREA)
Abstract
The utility model discloses a corrosion monitoring sensor for pollutants in an atmospheric environment. The sensor comprises dissipative metal film lines, a film substrate and monitored elements. The dissipative metal film lines of the sensor are n parallel film leads which are made of metal such as high-purity copper, silver, zinc, aluminum or ion and have different corrosion allowances; and each dissipative metal film line is connected in series with a monitored element (capacitor or resistor). Liquid, solid or gaseous corrosive media in the atmospheric environment corrode the dissipative metal film lines, the dissipation time of the metal lines with different corrosion allowances is different, and the metal lines are sequentially corroded from thin to thick and then disconnected. Therefore, the physical values of the monitored elements measured by a rear-end measurement system are changed. The corrosion levels of the pollutants in air can be evaluated according to the empirical relationship between the corrosion rate of the dissipative metal film lines and the environmental corrosion factors.
Description
Technical field
The utility model relates to a kind of air environmental pollution thing corrosion monitoring sensor; Especially refer to that a kind of opening circuit through the consumption metal membrane line of measuring different cross-sectional causes that measurand changes the method for the corrosion class of estimating pollutant in the air or corrosiveness of the environment, belongs to sensor technical field.
Background technology
Pollutant in the atmosphere or biological chemistry action meeting influence the facilities and equipment that are in normal running running status or accumulating state in the environment, for example: industrial process detection and opertaing device, important infrastructure etc.Therefore, " environmental baseline---the atmosphere pollution of detection of ANSI ISA-S71.04 process and control system " standard is classified and classification to the pollutant in the atmospheric environment.In the standard normality of pollutant in environment is divided into several types of atmosphere fluid contaminants, big gas-solid pollutant, atmosphere gaseous contaminant and biotic influences.All contaminations has by the solubility height or to certain metal attack speed height divides different brackets again.
Therefore, the solubility that both can adopt specific instrument to measure pollutant in the atmosphere is just estimated the grade of pollutant in the environment, also can estimate the corrosivity grade of atmospheric environment through measuring the corrosion rate of some metal in atmospheric environment.
Summary of the invention
The purpose of the utility model is to provide a kind of pollutant evaluation of atmospheric environment or corrosivity to estimate monitoring sensor, and the time that stepped change takes place according to survey physical quantity (electric capacity or resistance) can be carried out automatic grade classification to the air environmental pollution thing degree of test with the allowance relation that design consumes metal membrane line.
The utility model is realized through following measure:
A kind of air environmental pollution thing corrosion monitoring sensor comprises:
Consume metal membrane line, be the metallic film lead of the parallel different cross-sectional of n bar, can under extraneous corrosive attack, corrode consumption and break off; N is the natural number greater than 1;
Component under test, for n respectively with consume the electronic component that metal membrane line is connected one by one, be used to measure the physical quantity that consumes after the metal membrane line corrosion is broken off; Described component under test is electric capacity or resistance;
Substrate is glass, pottery or the resin substrate of insulation, consumes metal membrane line and inner lead and is produced on the substrate, and inner lead insulate with potting resin, after n component under test is in parallel, derives through test lead [11].
The air environmental pollution thing corrosion monitoring sensor of above-mentioned the utility model, preferred, the current-carrying sectional area that described n bar consumes metal membrane line increases successively, and described n is 3 ~ 6.
The air environmental pollution thing corrosion monitoring sensor of above-mentioned the utility model; Preferably; Described consumption metal membrane line adopts high purity copper, silver, zinc, aluminium or ferrous metal to be prepared into the parallel film wire of different current-carrying sectional areas, and the two ends lead portion that consumes metal membrane line is filled encapsulation with insulating resin; Consuming metal membrane line thickness scope is 200 ~ 50 μ m, and the live width scope is 0.1mm ~ 10mm, and the length range of perform region is 1 ~ 100mm.
The air environmental pollution thing corrosion monitoring sensor of above-mentioned the utility model, preferred, the resistance that described resistance adopts surface patch to install, resistance value is 100 Ω ~ 100k Ω; The multi-layer ceramic capacitance that described electric capacity adopts surface patch to install, capacitance is 100pF ~ 1 μ F, capacitance tolerance is 10%.
The air environmental pollution thing corrosion monitoring sensor of the utility model, used consumption metal membrane line are to adopt physical vaporous deposition, chemical vapour deposition technique, solution electrodeposition process or solution-deposition method that metallic diaphragm is deposited on the substrate of weather-proof insulation.
According to the test environment needs, consume metal membrane line [14] and adopt any one metal in high-purity copper, silver, zinc, aluminium, the iron etc. to process the film wire of the parallel different cross-sectional of n bar (different live widths and different thickness) (accompanying drawing 1 is the structure of 5 parallel lines---add a line measuring lead wire).Copper, silver are used for the demanding place of environment cleanliness, and zinc, aluminium, iron can be used for the lower place of cleanliness factor requirement.Can adopt vacuum evaporation (like materials such as copper, silver, aluminium), or sputtering sedimentation (like materials such as iron, zinc), wait the physical method preparation; Also can adopt method preparations such as chemical electro-deposition.Be the result's of the film probe that obtains different corrosion allowances reliability, each line parallel of probe [14] consumes metal membrane line and adopts different thickness and different in width mode to design.Wherein, probe thickness scope is 200 ~ 50 μ m, and the live width scope of each line is 0.1mm ~ 10mm, and the L of the perform region of film probe gets 1 ~ 100mm.The two ends lead portion of film probe is filled encapsulation with insulating resin, prevents environmental attack.Because the current-carrying sectional area of the consumption metal membrane line that the n bar is parallel increases successively---corrosion allowance is different, and each strip metal thin film wire is corroded the cycle of opening circuit fully in atmospheric environment also different.
Every consumes metal membrane line and is examined element [16] (ceramic electrical is resistance perhaps) and connect with one.Examined element and also adopt insulating resin to fill encapsulation, prevented environmental attack.In test environment, certain strip metal thin film wire is because extraneous corrosive attack opens circuit after ruing out of metal, and the element [16] (ceramic electrical is resistance perhaps) of being examined of being connected then opens circuit with external test circuitry.External test circuitry is carried out periodic measurement to the measurement parameter of sensor; Open circuit time of the test physics quantitative changeization that causes according to metal membrane line; Can detect the relation of metal membrane line elapsed time and corrosion allowance, and, define the grade of atmosphere pollution according to according to this relation.
(1) capacitance measurement---process t in environment
iAfter time, the 1st, 2 ..., the i line consumption metal membrane line corrosion open circuit, (i+1) consumes metal membrane line to the n line and still is in channel status.The electric capacity of ignoring lead, then the electric capacity that detects at this moment of system is:
C
0=C
i+1+…+C
n
C in the formula
0Be the total capacitance value that records in the period measuring process, C
I+1..., C
nAppearance value for each line capacitance.
(2) resistance measurement---if consume the metal membrane line resistance in series, process t in environment
iAfter time, the 1st, 2 ..., the i line the consumption metal membrane line open circuit, (i+1) consumes metal membrane line to the n line and still is in channel status.The resistance of ignoring lead, then the resistance that detects at this moment of system is:
1/R
0=1/R
i+1+…+1/R
n
R in the formula
0Be the total resistance value that records in the period measuring process, R
I+1..., R
nResistance for each line resistance in series.
Effective effect of the utility model is; Can carry out the needs of automatic grade classification to pollution level in the atmospheric environment; The utility model adopts the consumption metal membrane line of different corrosion allowances to be exposed in the environment; Behind the experience different cycles, these metal membrane lines successively open circuit owing to corrosion consumes.The component under test (electric capacity or resistance) of connecting with it after opening circuit breaks from testing circuit, changes for measurable physical quantity of test macro (electric capacity or resistance) of rear end.The time that stepped change takes place according to physical quantity (electric capacity or resistance) can be carried out automatic grade classification to the corrosivity of material to the air environmental pollution thing degree and the atmospheric environment of test with the allowance relation that design consumes metal membrane line.
Description of drawings:
Fig. 1 is the main TV structure synoptic diagram of the utility model;
Fig. 2 is that the A of Fig. 1 is to view;
Fig. 3 is that the B of Fig. 2 is to view;
Among the figure, 11 signal leads, 12 probe lead wire joints, 13 substrates, 14 consume metal membrane line, 15 packaging insulating resins, 16 are examined element.
Embodiment
1-3 explains the utility model below in conjunction with accompanying drawing.The structure of sensor probe is (shown in Figure 1 is five rank probes) shown in accompanying drawing 1-3; Probe comprises: (a) signal lead [11], (b) probe lead wire joint [12], (c) substrate [13]; (d) consume metal membrane line [14]; (e) packaging insulating resin [15] (f) is examined element (electric capacity or resistance) [16], six parts.
5 consume metal membrane line respectively with examined element connected in series after parallelly connected, be in series with inner lead again, be connected with proving installation by signal lead.
Embodiment one
The described air environmental pollution thing of the utility model corrosion monitoring sensor can be used for indoor environmental monitoring and early warning that cleanliness factors such as museum, library, main equipment room are had relatively high expectations.
Be used for the indoor environment that cleanliness factor is had relatively high expectations, consume metal membrane line [14] and adopt 99.999% pure copper material, utilize physical evaporation on glass substrate, to deposit the film of different cross-sectional.With reference to ISA – S71.04 criteria G1, G2, G3, four grades of Gx, the line that therefore consumes metal membrane line is counted the effective length that n gets 4,4 lines and is all got 50mm.The 1st line probe thickness is ≈ 500, and width is got 2mm; The 2nd line probe thickness is ≈ 1000, and width is got 3 mm; The 3rd line probe thickness is ≈ 2500, and width is got 4mm; The 4th line probe thickness is ≈ 4000, and width is got 5mm.
For simplifying the rear end surveying instrument, each line consumes the chip ceramic capacitor of the electric capacity employing 1000pF of metal membrane line series connection.Therefore, the 1st line consumes metal membrane line and corrodes when opening circuit, and the electric capacity that test macro records is ≈ 3000pF; When the corrosion of the 2nd line was opened circuit, the electric capacity that test macro records was ≈ 2000pF; When the corrosion of the 3rd line was opened circuit, the electric capacity that test macro records was ≈ 1000pF; When the corrosion of the 4th line was opened circuit, the electric capacity that test macro records was ≈ 0pF.Through the capacitance of fixed cycle test probe, just can confirm the consumption metal membrane line corrosion breaking time of each line of sensor, thereby environment is made grade evaluation.
Embodiment two
The described air environmental pollution thing of the utility model corrosion monitoring sensor can be used for, the monitoring of corrosion situation and the early warning of outdoor industrial pollution environment.
Important large-scale steel structure members in the industrial pollution environment need be done immersion plating, the measure of thermal spray protection property Metal Protection usually.In this type of environment, the film probe of selecting for use 14 is employed in the pure zinc film of sputter 99.99% on the aluminium oxide ceramic substrate.The line of film probe is counted n and is got 5.The 1st line probe thickness is ≈ 0.1 μ m, and width is got 1mm; The 2nd line probe thickness is ≈ 0.2 μ m, and width is got 2mm; The 3rd line probe thickness is ≈ 3 μ m, and width is got 3mm; The 4th line probe thickness is ≈ 4 μ m, and width is got 4mm, and the 4th line probe thickness is ≈ 10 μ m, and width is got 5mm.
The first line film probe does not add resistance; The resistance of second line film probe series connection adopts the Chip-R of 8.8k Ω; The resistance of three-way film probe series connection adopts the Chip-R of 20k Ω; The resistance of the 4th line film probe series connection adopts the Chip-R of 40k Ω; The resistance of the 5th line film probe series connection adopts the Chip-R of 40k Ω.Therefore, after the calibration system, when the corrosion of the 1st line was opened circuit, the resistance that test macro records was ≈ 5k Ω; When the corrosion of the 2nd line was opened circuit, the resistance that test macro records was ≈ 10k Ω; When the corrosion of the 3rd line was opened circuit, the resistance that test macro records was ≈ 20k Ω; When the corrosion of the 4th line was opened circuit, the resistance that test macro records was ≈ 40k Ω; When the corrosion of the 5th line was opened circuit, the resistance that test macro records was infinitely great (open-circuit condition).Through the capacitance of fixed cycle test probe, just can confirm the corrosion breaking time of each line of probe.
The foregoing description is only for explaining the technical conceive and the characteristics of the utility model; Its purpose is to let the personage that is familiar with this technology can understand the content of the utility model and implements; Can not limit the protection domain of the utility model with this; All equivalences of being done according to the utility model spirit change or modify, and all should be encompassed in the protection domain of the utility model.
Claims (5)
1. air environmental pollution thing corrosion monitoring sensor is characterized in that comprising:
Consume metal membrane line [14], be the metallic film lead of the parallel different cross-sectional of n bar, can under extraneous corrosive attack, corrode consumption and break off; N is the natural number greater than 1;
Component under test [16], for n respectively with consume the electronic component that metal membrane line is connected one by one, be used to measure the physical quantity that consumes after the metal membrane line corrosion is broken off; Described component under test is electric capacity or resistance;
Substrate [13] is glass, pottery or the resin substrate of insulation, consumes metal membrane line and inner lead and is produced on the substrate, and inner lead, is derived through test lead [11] after n component under test [16] is in parallel with potting resin [15] insulation.
2. air environmental pollution thing corrosion monitoring sensor as claimed in claim 1 is characterized in that: the current-carrying sectional area that described n bar consumes metal membrane line increases successively, and described n is 3 ~ 6.
3. air environmental pollution thing corrosion monitoring sensor according to claim 1 or claim 2; It is characterized in that: described consumption metal membrane line adopts high purity copper, silver, zinc, aluminium or ferrous metal to be prepared into the parallel film wire of different current-carrying sectional areas, and the two ends lead portion that consumes metal membrane line is filled encapsulation with insulating resin; Consuming metal membrane line thickness scope is 200 ~ 50 μ m, and the live width scope is 0.1mm ~ 10mm, and the length range of perform region is 1 ~ 100mm.
4. air environmental pollution thing corrosion monitoring sensor as claimed in claim 3 is characterized in that: the resistance that described resistance adopts surface patch to install, and resistance value is 100 Ω ~ 100k Ω; The multi-layer ceramic capacitance that described electric capacity adopts surface patch to install, capacitance is 100pF ~ 1 μ F, capacitance tolerance is 10%.
5. air environmental pollution thing corrosion monitoring sensor as claimed in claim 3 is characterized in that: described consumption metal membrane line adopts physical vaporous deposition, chemical vapour deposition technique, solution electrodeposition process or solution-deposition method that metallic diaphragm is deposited on the substrate of weather-proof insulation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201968618U CN202533402U (en) | 2012-05-04 | 2012-05-04 | Atmospheric environment pollutant corrosion monitoring sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201968618U CN202533402U (en) | 2012-05-04 | 2012-05-04 | Atmospheric environment pollutant corrosion monitoring sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202533402U true CN202533402U (en) | 2012-11-14 |
Family
ID=47134578
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012201968618U Expired - Fee Related CN202533402U (en) | 2012-05-04 | 2012-05-04 | Atmospheric environment pollutant corrosion monitoring sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202533402U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102645457A (en) * | 2012-05-04 | 2012-08-22 | 山东电力研究院 | Corrosion monitoring sensor for atmospheric environment pollutants |
| EP3441745A4 (en) * | 2016-04-08 | 2020-01-01 | Hitachi, Ltd. | Corrosive environment monitoring device |
| CN113035476A (en) * | 2019-12-25 | 2021-06-25 | Koa株式会社 | Vulcanization detection resistor |
-
2012
- 2012-05-04 CN CN2012201968618U patent/CN202533402U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102645457A (en) * | 2012-05-04 | 2012-08-22 | 山东电力研究院 | Corrosion monitoring sensor for atmospheric environment pollutants |
| EP3441745A4 (en) * | 2016-04-08 | 2020-01-01 | Hitachi, Ltd. | Corrosive environment monitoring device |
| CN113035476A (en) * | 2019-12-25 | 2021-06-25 | Koa株式会社 | Vulcanization detection resistor |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102645457A (en) | Corrosion monitoring sensor for atmospheric environment pollutants | |
| Hack et al. | Defect area determination of organic coated steels in seawater using the breakpoint frequency method | |
| EP3173778B1 (en) | Dryness/wetness response sensor having high-speed response and high sensitivity | |
| CN202533402U (en) | Atmospheric environment pollutant corrosion monitoring sensor | |
| EP2124034A1 (en) | Corrosion sensors | |
| JP6898605B2 (en) | Dew point measurement method and dew point measurement device | |
| US20080134779A1 (en) | Solution metering apparatus | |
| WO2020251931A8 (en) | Gas sensor with separate contaminant detection element | |
| CN209606368U (en) | A kind of corrosion monitoring system for corrosion-resistanting insulation pipe | |
| CN102937611A (en) | Corrosion risk prompting method and early warning system | |
| CN101876624A (en) | Metal corrosion rate measuring probe and method in atmospheric environment | |
| US7584656B2 (en) | Floatless rain gauge | |
| CN204188237U (en) | Hall liquid level pick-up unit | |
| US20110280281A1 (en) | Temperature Sensor | |
| CN104568073A (en) | Hall liquid level detection device | |
| CN106226226B (en) | A kind of atmosphere environment corrosion detection sensor and evaluation method | |
| CN106546303A (en) | The capacitance level transducer being applied under adverse circumstances | |
| CN109001104A (en) | A kind of local environment erosion analysis method based on high-throughput device electricity | |
| CN2624196Y (en) | Sensing cable and heat sensitive detector using the same | |
| CN2643294Y (en) | Capacitor type liquid level sensor | |
| US20110056289A1 (en) | Floatless Rain Gauge | |
| JP6381167B1 (en) | Corrosion rate measuring method and environmental monitoring device using ACM sensor | |
| CN201438126U (en) | Water level detection device | |
| CN206627168U (en) | Detachable surface message-reporting water meter | |
| CN220542294U (en) | MEMS film heat flow sensor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: SHANDONG RESEARCH INST. OF ELECTRIC POWER Effective date: 20130516 Owner name: STATE ELECTRIC NET CROP. Free format text: FORMER OWNER: SHANDONG RESEARCH INST. OF ELECTRIC POWER Effective date: 20130516 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 250002 JINAN, SHANDONG PROVINCE TO: 100000 XICHENG, BEIJING |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20130516 Address after: 100000 Xicheng District, Chang'an Avenue, No. 86, Patentee after: State Grid Corporation of China Patentee after: Shandong Research Inst. of Electric Power Address before: 250002 Ji'nan City Central District, Shandong, No. 2 South Road, No. 500 Patentee before: Shandong Research Inst. of Electric Power |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121114 Termination date: 20180504 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |