DE2920808C2 - Meßfühler und Schaltung zur Feuchtigkeitsmessung - Google Patents
Meßfühler und Schaltung zur FeuchtigkeitsmessungInfo
- Publication number
- DE2920808C2 DE2920808C2 DE19792920808 DE2920808A DE2920808C2 DE 2920808 C2 DE2920808 C2 DE 2920808C2 DE 19792920808 DE19792920808 DE 19792920808 DE 2920808 A DE2920808 A DE 2920808A DE 2920808 C2 DE2920808 C2 DE 2920808C2
- Authority
- DE
- Germany
- Prior art keywords
- circuit
- humidity
- humidity sensor
- moisture
- sensor according
- 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
Links
- 238000005259 measurement Methods 0.000 title description 2
- 239000000178 monomer Substances 0.000 claims description 25
- 239000000463 material Substances 0.000 claims description 19
- LOPVAWVHGAWUPS-UHFFFAOYSA-M [2-hydroxy-3-(2-methylprop-2-enoyloxy)propyl]-trimethylazanium;chloride Chemical compound [Cl-].CC(=C)C(=O)OCC(O)C[N+](C)(C)C LOPVAWVHGAWUPS-UHFFFAOYSA-M 0.000 claims description 10
- 229920000642 polymer Polymers 0.000 claims description 9
- -1 ethylene, propylene Chemical group 0.000 claims description 5
- 238000006116 polymerization reaction Methods 0.000 claims description 5
- 238000004132 cross linking Methods 0.000 claims description 3
- SBYMUDUGTIKLCR-UHFFFAOYSA-N 2-chloroethenylbenzene Chemical compound ClC=CC1=CC=CC=C1 SBYMUDUGTIKLCR-UHFFFAOYSA-N 0.000 claims description 2
- IHZBEYOBDAOPDZ-UHFFFAOYSA-M trimethyl-(4-methyl-3-oxopent-4-enyl)azanium;chloride Chemical compound [Cl-].CC(=C)C(=O)CC[N+](C)(C)C IHZBEYOBDAOPDZ-UHFFFAOYSA-M 0.000 claims description 2
- 238000006243 chemical reaction Methods 0.000 claims 1
- 238000007334 copolymerization reaction Methods 0.000 claims 1
- 229920006037 cross link polymer Polymers 0.000 claims 1
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 18
- 239000003990 capacitor Substances 0.000 description 12
- 239000004342 Benzoyl peroxide Substances 0.000 description 6
- OMPJBNCRMGITSC-UHFFFAOYSA-N Benzoylperoxide Chemical compound C=1C=CC=CC=1C(=O)OOC(=O)C1=CC=CC=C1 OMPJBNCRMGITSC-UHFFFAOYSA-N 0.000 description 6
- 235000019400 benzoyl peroxide Nutrition 0.000 description 6
- 229920001577 copolymer Polymers 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 6
- 230000010355 oscillation Effects 0.000 description 6
- 239000000243 solution Substances 0.000 description 6
- 240000003517 Elaeocarpus dentatus Species 0.000 description 5
- 239000000203 mixture Substances 0.000 description 5
- 238000012806 monitoring device Methods 0.000 description 5
- 239000002904 solvent Substances 0.000 description 5
- 238000012360 testing method Methods 0.000 description 5
- 125000002091 cationic group Chemical group 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 230000035945 sensitivity Effects 0.000 description 4
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 3
- 229920001893 acrylonitrile styrene Polymers 0.000 description 3
- 229920001519 homopolymer Polymers 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- KWGKDLIKAYFUFQ-UHFFFAOYSA-M lithium chloride Chemical compound [Li+].[Cl-] KWGKDLIKAYFUFQ-UHFFFAOYSA-M 0.000 description 3
- SCUZVMOVTVSBLE-UHFFFAOYSA-N prop-2-enenitrile;styrene Chemical compound C=CC#N.C=CC1=CC=CC=C1 SCUZVMOVTVSBLE-UHFFFAOYSA-N 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 3
- 229920002554 vinyl polymer Polymers 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 238000004804 winding Methods 0.000 description 3
- RUMACXVDVNRZJZ-UHFFFAOYSA-N 2-methylpropyl 2-methylprop-2-enoate Chemical compound CC(C)COC(=O)C(C)=C RUMACXVDVNRZJZ-UHFFFAOYSA-N 0.000 description 2
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 2
- IMROMDMJAWUWLK-UHFFFAOYSA-N Ethenol Chemical compound OC=C IMROMDMJAWUWLK-UHFFFAOYSA-N 0.000 description 2
- WOBHKFSMXKNTIM-UHFFFAOYSA-N Hydroxyethyl methacrylate Chemical compound CC(=C)C(=O)OCCO WOBHKFSMXKNTIM-UHFFFAOYSA-N 0.000 description 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 2
- 229910052796 boron Inorganic materials 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 239000003792 electrolyte Substances 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 230000002209 hydrophobic effect Effects 0.000 description 2
- 239000003999 initiator Substances 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 239000003505 polymerization initiator Substances 0.000 description 2
- 229920001451 polypropylene glycol Polymers 0.000 description 2
- 229920002689 polyvinyl acetate Polymers 0.000 description 2
- 229920002451 polyvinyl alcohol Polymers 0.000 description 2
- 229920000036 polyvinylpyrrolidone Polymers 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 125000001453 quaternary ammonium group Chemical group 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- 238000005204 segregation Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 description 1
- WDQMWEYDKDCEHT-UHFFFAOYSA-N 2-ethylhexyl 2-methylprop-2-enoate Chemical compound CCCCC(CC)COC(=O)C(C)=C WDQMWEYDKDCEHT-UHFFFAOYSA-N 0.000 description 1
- OMRQSGQGRBFVRB-UHFFFAOYSA-N 3-ethyloctan-3-yl 2-methylprop-2-enoate Chemical compound CCCCCC(CC)(CC)OC(=O)C(C)=C OMRQSGQGRBFVRB-UHFFFAOYSA-N 0.000 description 1
- DBCAQXHNJOFNGC-UHFFFAOYSA-N 4-bromo-1,1,1-trifluorobutane Chemical compound FC(F)(F)CCCBr DBCAQXHNJOFNGC-UHFFFAOYSA-N 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N Alumina Chemical compound [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 1
- 239000005977 Ethylene Substances 0.000 description 1
- 244000061176 Nicotiana tabacum Species 0.000 description 1
- 235000002637 Nicotiana tabacum Nutrition 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 239000004372 Polyvinyl alcohol Substances 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- XTXRWKRVRITETP-UHFFFAOYSA-N Vinyl acetate Chemical compound CC(=O)OC=C XTXRWKRVRITETP-UHFFFAOYSA-N 0.000 description 1
- IKHGUXGNUITLKF-XPULMUKRSA-N acetaldehyde Chemical compound [14CH]([14CH3])=O IKHGUXGNUITLKF-XPULMUKRSA-N 0.000 description 1
- 238000006359 acetalization reaction Methods 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 150000001252 acrylic acid derivatives Chemical class 0.000 description 1
- XECAHXYUAAWDEL-UHFFFAOYSA-N acrylonitrile butadiene styrene Chemical compound C=CC=C.C=CC#N.C=CC1=CC=CC=C1 XECAHXYUAAWDEL-UHFFFAOYSA-N 0.000 description 1
- 229920000122 acrylonitrile butadiene styrene Polymers 0.000 description 1
- 239000004676 acrylonitrile butadiene styrene Substances 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
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 1
- JOSWYUNQBRPBDN-UHFFFAOYSA-P ammonium dichromate Chemical compound [NH4+].[NH4+].[O-][Cr](=O)(=O)O[Cr]([O-])(=O)=O JOSWYUNQBRPBDN-UHFFFAOYSA-P 0.000 description 1
- 230000001680 brushing effect Effects 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- SOCTUWSJJQCPFX-UHFFFAOYSA-N dichromate(2-) Chemical compound [O-][Cr](=O)(=O)O[Cr]([O-])(=O)=O SOCTUWSJJQCPFX-UHFFFAOYSA-N 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010894 electron beam technology Methods 0.000 description 1
- STVZJERGLQHEKB-UHFFFAOYSA-N ethylene glycol dimethacrylate Substances CC(=C)C(=O)OCCOC(=O)C(C)=C STVZJERGLQHEKB-UHFFFAOYSA-N 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000009499 grossing Methods 0.000 description 1
- 229910052736 halogen Inorganic materials 0.000 description 1
- 229920000140 heteropolymer Polymers 0.000 description 1
- 229920006158 high molecular weight polymer Polymers 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 150000002734 metacrylic acid derivatives Chemical class 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 125000005397 methacrylic acid ester group Chemical group 0.000 description 1
- 125000005395 methacrylic acid group Chemical group 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 230000000379 polymerizing effect Effects 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 239000011118 polyvinyl acetate Substances 0.000 description 1
- 239000001267 polyvinylpyrrolidone Substances 0.000 description 1
- 235000013855 polyvinylpyrrolidone Nutrition 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 description 1
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
Classifications
-
- 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
- G01N27/04—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance
- G01N27/12—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance of a solid body in dependence upon absorption of a fluid; of a solid body in dependence upon reaction with a fluid, for detecting components in the fluid
- G01N27/121—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance of a solid body in dependence upon absorption of a fluid; of a solid body in dependence upon reaction with a fluid, for detecting components in the fluid for determining moisture content, e.g. humidity, of the fluid
Landscapes
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Electrochemistry (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Or Analyzing Materials By The Use Of Fluid Adsorption Or Reactions (AREA)
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6288578A JPS5510502A (en) | 1978-05-25 | 1978-05-25 | Moisture sensitive element |
| JP10347478A JPS5529774A (en) | 1978-08-24 | 1978-08-24 | Relative humidity detector |
| JP12416378U JPS5540391U (US07368563-20080506-C00056.png) | 1978-09-09 | 1978-09-09 | |
| JP12589278A JPS5551347A (en) | 1978-10-12 | 1978-10-12 | Moisture-sensitive element |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE2920808A1 DE2920808A1 (de) | 1979-11-29 |
| DE2920808C2 true DE2920808C2 (de) | 1987-01-15 |
Family
ID=27464235
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19792920808 Expired DE2920808C2 (de) | 1978-05-25 | 1979-05-22 | Meßfühler und Schaltung zur Feuchtigkeitsmessung |
Country Status (3)
| Country | Link |
|---|---|
| CH (1) | CH641566A5 (US07368563-20080506-C00056.png) |
| DE (1) | DE2920808C2 (US07368563-20080506-C00056.png) |
| GB (1) | GB2025622B (US07368563-20080506-C00056.png) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0076131B1 (en) * | 1981-09-28 | 1986-04-09 | Hitachi, Ltd. | Humidity sensor and method for preparing a humidity sensor |
| GB2138952B (en) * | 1983-04-30 | 1986-07-30 | Sharp Kk | Producing electrical moisture sensors |
| JPS6166160A (ja) * | 1984-09-08 | 1986-04-04 | Shimadzu Corp | 湿度センサ−及びその製造法 |
| HUT48174A (en) * | 1987-05-08 | 1989-05-29 | Autoipari Kutato Fejlesztoe | Safety device for avoiding the freezing of air system |
| CH688244A5 (de) * | 1994-01-27 | 1997-06-30 | Landis & Gyr Tech Innovat | Verfahren zur Steuerung einer Kuehleinrichtung und Sensor zur Durchfuehrung des Verfahrens. |
| CN111929412A (zh) * | 2020-07-30 | 2020-11-13 | 信义汽车玻璃(深圳)有限公司 | 汽车湿度检测装置及检测方法 |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1031739A (en) * | 1963-11-07 | 1966-06-02 | Wayne Kerr Lab Ltd | Improvements in or relating to humidity sensing elements and their manufacture |
| US3703696A (en) * | 1971-11-23 | 1972-11-21 | Gen Electric | Humidity sensor |
| JPS5431714B2 (US07368563-20080506-C00056.png) * | 1972-09-20 | 1979-10-09 |
-
1979
- 1979-05-22 DE DE19792920808 patent/DE2920808C2/de not_active Expired
- 1979-05-25 CH CH489079A patent/CH641566A5/de not_active IP Right Cessation
- 1979-05-25 GB GB7918462A patent/GB2025622B/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB2025622A (en) | 1980-01-23 |
| GB2025622B (en) | 1982-10-06 |
| DE2920808A1 (de) | 1979-11-29 |
| CH641566A5 (de) | 1984-02-29 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US4386336A (en) | Humidity sensor and a humidity detection circuit using the humidity sensor | |
| DE69608138T2 (de) | Durch elektrosprühen auftragbare trennschicht | |
| DE2432377C2 (de) | Verfahren zum Herstellen eines Elektreten | |
| DE2345303C2 (de) | Sich selbst regulierender elektrischer Widerstandskörper und Verfahren zu dessen Herstellung | |
| DE69119948T2 (de) | Verfahren zur Herstellung eines Elektrets, eines Filmelektrets sowie eines Elektretfilters | |
| DE3311047C2 (de) | Feuchtigkeitsempfindlicher Widerstand | |
| DE3344296C2 (US07368563-20080506-C00056.png) | ||
| DE102018130080A1 (de) | Zusammengesetzter Separator für eine Sekundärbatterie und Lithium-Sekundärbatterie umfassend denselben | |
| DE3280447T2 (de) | Vernetzung von PTC-leitfähigen Polymeren durch Strahlung. | |
| DE69836554T2 (de) | Festelektrolytkondensator und sein herstellungsverfahren | |
| DE1573217A1 (de) | Feuchtigkeitsfuehlelement | |
| DE3131035A1 (de) | "verfahren zur herstellung von membranen fuer elektrochemische zellen und ihre verwendung in primaer- und sekundaerelementen" | |
| DE2741439A1 (de) | Verfahren zum behandeln einer folie aus hydrophilem polymermaterial und dadurch erzeugte folie | |
| DE2920808C2 (de) | Meßfühler und Schaltung zur Feuchtigkeitsmessung | |
| DE3239017C2 (de) | Dielektrischer Film und Verfahren zu seiner Herstellung | |
| DE2153784B2 (de) | Verfahren zum Herstellen eines Folienelektrets | |
| DE3039561A1 (de) | Elektret und verfahren zu dessen herstellung sowie verwendung desselben | |
| DE3032476A1 (de) | Selektiver duennschicht-gassensor hoher empfindlichkeit und stabilitaet zum nachweis und zur messung von gasfoermigen kohlenwasserstoff-verunreinigungen in der luft auf der basis von wolframoxid (wo(pfeil abwaerts)x(pfeil abwaerts))-halbleitern, sowie ein verfahren zu seiner herstellung | |
| DE69223731T2 (de) | Herstellungsverfahren für einen elektrolytischen Kondensator | |
| DE68928400T2 (de) | Zusammengesetztes temperaturempfindliches Element und ein solches enthaltender Stirnflächen-Wärmeerzeuger | |
| DE2911856C3 (de) | Verfahren zur Erhöhung der Durchschlagsfestigkeit an einem Film aus Polyvinylidenfluorid | |
| DE3038381A1 (de) | Verfahren zur herstellung von elektreten | |
| DE2205875A1 (de) | Pyroelektnsches Element | |
| DE2921058A1 (de) | Vorrichtung zur transkutanen messung des sauerstoffpartialdruckes im arteriellen blut | |
| DE2637594C3 (de) | Wäßriger Latex eines Polymerisats mit einheitlichem Teilchendurchmesser |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OD | Request for examination | ||
| D2 | Grant after examination | ||
| 8364 | No opposition during term of opposition | ||
| 8339 | Ceased/non-payment of the annual fee |