CN109416335A - Method and apparatus for detecting humidity - Google Patents
Method and apparatus for detecting humidity Download PDFInfo
- Publication number
- CN109416335A CN109416335A CN201780037070.6A CN201780037070A CN109416335A CN 109416335 A CN109416335 A CN 109416335A CN 201780037070 A CN201780037070 A CN 201780037070A CN 109416335 A CN109416335 A CN 109416335A
- Authority
- CN
- China
- Prior art keywords
- equipment
- conducting element
- item
- vehicle
- measurement variation
- 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.)
- Pending
Links
- 238000000034 method Methods 0.000 title claims description 9
- 238000001514 detection method Methods 0.000 claims abstract description 6
- 239000004020 conductor Substances 0.000 claims description 21
- 239000003973 paint Substances 0.000 claims description 20
- 238000005259 measurement Methods 0.000 claims description 16
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 5
- 238000005507 spraying Methods 0.000 claims description 5
- 229920000180 alkyd Polymers 0.000 claims description 4
- 229910002804 graphite Inorganic materials 0.000 claims description 4
- 239000010439 graphite Substances 0.000 claims description 4
- 229910052751 metal Inorganic materials 0.000 claims description 4
- 239000002184 metal Substances 0.000 claims description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- 239000004411 aluminium Substances 0.000 claims description 3
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- 230000001680 brushing effect Effects 0.000 claims description 2
- 239000007788 liquid Substances 0.000 claims description 2
- 239000000463 material Substances 0.000 claims description 2
- 230000005611 electricity Effects 0.000 claims 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 claims 1
- 238000004458 analytical method Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000012545 processing Methods 0.000 description 4
- 239000004925 Acrylic resin Substances 0.000 description 3
- 229920000178 Acrylic resin Polymers 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 238000007792 addition Methods 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 210000000988 bone and bone Anatomy 0.000 description 1
- 239000006071 cream Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 239000011256 inorganic filler Substances 0.000 description 1
- 229910003475 inorganic filler Inorganic materials 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 239000004922 lacquer Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000007873 sieving Methods 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 239000002966 varnish Substances 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
- G01N27/048—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance for determining moisture content of the material
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
Abstract
The invention relates to a measured value change detection device for detecting a change in a measured value at a use position (4), comprising at least one electrically conductive element (1), characterized in that the electrically conductive element (1) is configured to establish a characteristic of the electrically conductive element (1) at the use position (4) with respect to a characteristic of detecting the change in the measured value or at least of transmitting the change in the measured value, wherein the electrically conductive element (1) is directly connected to the use position (4), such that the structural configuration of the electrically conductive element (1) depends on the structural configuration of the use position (4).
Description
Technical field
The present invention relates to a kind of for having at least one in the equipment detected using position to measurement variation
Conducting element.
Background technique
It is real especially for moisture of the detection in automobile legroom moisture in other words especially in automobile industry
Existing a variety of different design schemes are to use a large amount of installation exercise at position (being here legroom) at this with this bring
Cost and thus there are also very high cost.A kind of common form of implementation is as follows: by lead beam that is, what two were knitted peels off
Insulation cable (be made of mostly copper or aluminium, with the insulator being often made of paper, with certain length, usually 80cm extremely
In the range of 150cm) it is routed on car body directly below in the legroom of automobile in carpet and separation layer.If in car wash
In stay after or there is after other travelings water enter car body, the paper will be filled water and by two conductor (i.e. two
Root cable) it is electrically connected to each other, so that the insulation between conductor has not existed, in turn, then relatively low Ohmic resistance is either
Can be measured via the measuring instrument of connection or be via energization (being in most cases battery) and corresponding electronics or
Electrical analysis processing unit-is for example in the form-of A-RFID (active radio frequency identification transmitter) by the impedance variations
It is sent to a receiver, thus to trigger a kind of alarm.This point is especially important before vehicle delivery.Due to all
Cable is all to be laid with and pasted by hand, thus need long activity duration (working hour, so-called F time) thus, so just
Lead to high cost.
Another method is so-called puncture method (Stechen), wherein metal bar is passed through to the covering of automobile legroom
Object, especially through the carpet of automobile, then to measure Ohmic resistance and to carry out corresponding analysis processing.In the case,
It is determined by system condition, the carpet of vehicle will receive damage, this is undoubtedly undesirably.
Summary of the invention
Therefore, the purpose of the present invention is to, provide it is a kind of in the equipment detected using position to measurement variation,
It can economically and at using position be realized with no damage with electrical component, the equipment.
According to the present invention, this purpose passes through equipment as described in claim 1, method as claimed in claim 17 and such as
Application described in claim 18 is achieved.
Equipment according to the present invention is a kind of for having in the equipment detected using position to measurement variation
At least one conducting element (e.g. and especially printed conductor), wherein the conducting element is directed to detection measured value and becomes
Change and is configured as using position for (e.g. and especially Ohmic resistance) or at least transmission measurement value variation characteristic
The place of setting establishes the inherent characteristic (i.e. electric conductivity) of the conducting element；That is, (e.g. and especially existing using on position
On body of a motor car) conducting element is not only able to manufacture (that is, generally being arranged using at position) but also matched
Set (that is, being disposed to extend at using position for its space or plane).It is complete different from the traditional manufacture already of laying
At cable, it is as used herein be carry out simultaneously manufacture and structure configuration.In addition, equipment according to the invention is with traditional to lead
The circuit board of electric cream printing the difference is that: the component part of the equipment and non-use position, and be only that can use
It prepares and completes on position.The space structure configuration of present device is determined in itself by using the spatially extended of position.This
Any has been embodied and the significant difference that those of is known from the state of the art form of implementation.It, can not only be right by the mode
It is taken in using the complicated structure configuring condition of position, and on the other hand can also extremely economical realize this point.
This is for example and especially suitable for the Humidity Detection in automobile: putting foot sky what automobile was arranged in the spraying of electric conductivity paint vehicle/pigment
Between in generate two printed conductors mutually spatially spaced apart when, these printed conductors and an A-FID are (that is, active
Radio frequency identification transmitter and be powered by battery) and one measurement and analysis and processing unit (e.g. and especially
One electronic system being connect with analogue-to-digital converters (A/D converter)) it is connected.There is be in normal state
Higher Ohmic resistance within the scope of several megaohms.In the case where water inlet, two printed conductors are electrically connected to each other, and make Europe
Nurse resistance is generally lowered into several kilo-ohms.The impedance rise in the case where printed conductor disconnects.Based on lower resistance value, not only
It can recognize that infiltration/immersion, and even can recognize that and where short circuit has occurred.
First advantageously: structure configuration realized by means of being laid on using position, e.g. and
In particular, the laying by means of spraying, brushing, drawing, paint dress, paste or brush is smeared and is achieved because these arrange can
Row scheme, which has confirmed, rapidly and reliably to be implemented.
It is also advantageous that: the measurement variation is the variation of electric conductivity, because the measurement variation is in practice
It has shown that and is very important.
Therefore also advantageously: the configuration established is to establish conductive region.
In this regard, it if the conductive region is the region of bar shaped, is also advantageous.
In practice it has been confirmed that for important and it is advantageous to: conducting elements to have 0.1 ohm × meter to 10
The unit impedance (resistivity) of megaohm × meter, and/or established at using position structure configuration in electrical component resistance at
In the range of 0.1 ohm to 10 megaohms.
In addition, it has been confirmed that for advantageously in practice: conducting element is paint vehicle.
In order to improve the unit electric conductivity (conductivity) of paint vehicle, at least one conductive material can be added to the paint vehicle,
In particular, the material of addition is graphite, metal, especially aluminium or copper.
Proved in terms of the tectonic sieving of present device it is possible that: the equipment is configured to, in the equipment
On there are moisture in the case where the variation of the resistance detected by the equipment is measured or it can be measured, especially
It is that the equipment has at least two electrical components being separated from each other in local location.
In this connection, be therefore reliably simultaneously by practice test in application: equipment according to the invention has extremely
A few element in following one group: RFID label tag, CAN bus chip, A-RFID, passive RFID, cable, USB adaptation
Device, measurement point, printed conductor, battery, current source.
In practice it has been confirmed that be it is possible that: the paint vehicle is alkyd resin.
Furthermore it is required that protecting a kind of in the method detected using position to measurement variation, feature to exist
In using equipment according to the invention.
Finally, also requiring that protection is used for this application of humidity sensor mechanism, as anti-theft device, liquid level instruction, row
Protection (Auslaufschutz, protection against leakage), alarm sensing mechanism, humidity alarm and to carry out hygrometry are put, especially
Motor vehicle, truck, two wheeler, aircraft, rail vehicle, ship, building, dress ornament, container, hose, fence, shell,
It is used in timber, battery.
Detailed description of the invention
Come to illustrate the present invention in detail referring to following example without limitation.
Attached drawing is shown:
Fig. 1 is a kind of perspective view of embodiment of present device.
Specific embodiment
Roughly show a part intercept of vehicle chassis in a perspective fashion in Fig. 1, wherein in vehicle floor sheet
With, before the right side, it is left front, right after and left back region in directly toward coating pairs of printed conductor respectively on the vehicle floor
(Leiterbahnenpaar), it is made of a kind of conductive paint.Each printed conductor is electrically connected to each other at one end, i.e., with
The other printed conductor connection of one of conductive paint；In other words: one printed conductor of conductive paint being laid in vehicle in spraying
On bottom plate, extend trend and design as follows: two printed conductors extend opposite one another and in a vertical axis
End is electrically connected with a short printed conductor section (Leiterbahnst ü ck), which is being essentially perpendicular to
Described two printed conductors set opposite to each other move towards to extend.
Ohmic resistance between described two printed conductors is in the short undamaged state of printed conductor section
About 10 megaohms.If damaging, then resistance rises to about 50 megaohms.If however moisture occurring and leaks and thus occurs two
Printed conductor soaks, then Ohmic resistance drops down to about 100 kilo-ohms, then determines this by electronic analysis processing unit
Value be sent to a receiver by active RFID, to identify at once: on vehicle floor/in whether there is moisture.Institute
Active RFID is stated to be fed by means of unshowned battery.
By fairly simply spraying conductive paint in very time saving and technique, can be saved much in fund aspect.
The conductive paint is the weather-proof synthetic resin varnish Yachtline SKE 0000 of German Wilckens GmbH company
(colourless) is made of alkyd resin together with inorganic filler and Porous deproteinized bone solvent naphtha.To guarantee necessary electric conductivity, above-mentioned conjunction is given
At lacquer type organic coating about 5 grams of Nano graphite particles of every 100 grams of additions.
As alternative furthermore, the CRC Industrie of German Yi Feicihaimu (Iffezheim) also can be used
The acrylic resin paint of Deutschland GmbH company: contacting chemical graphite 33 (Kontakt Chemie Graphit 33),
The acrylic resin paint is a kind of acrylic resin paint of conductive graphite powder.
The paint vehicle floor has been sprayed directly into the form that in advance prepared by production this to a certain extent
On upper inside face (Innenoberseite).In this way, for the first time can quickly and thus also reduce expenses
Ground is being made using position and is laying relevant device according to the invention, wherein the particular space condition of vehicle floor (and because
There are also the configurations of its structure for this) it is consistent with corresponding steric requirements (that is, the structure of the electrical component of present device configures), instead
?.
Claims (19)
1. measurement variation detection device, for detecting using position (4) to measurement variation, which has at least
One conducting element (1), which is characterized in that the conducting element (1) be directed to detection measurement variation or at least transmit
It is configured as the characteristic of measurement variation using the inherent characteristic for establishing the conducting element (1) at position (4), wherein
The conducting element (1) is directly connect with described using position, thus the structure of the conducting element (1) is configured according to the use
Depending on the structure configuration of position (4).
2. equipment as described in claim 1, which is characterized in that the structure configuration on using position (4) by means of carrying out
It lays and realizes.
3. equipment as claimed in claim 2, which is characterized in that the laying is by means of spraying, brushing, drawing, paint dress, stickup
Or brush is smeared and is achieved.
4. such as described in any item equipment of claims 1 to 3, which is characterized in that the measurement variation is the change of electric conductivity
Change.
5. equipment as claimed in claim 4, which is characterized in that the configuration established is to establish conductive region.
6. equipment as claimed in claim 5, which is characterized in that the conductive region is the region of bar shaped.
7. such as described in any item equipment of claim 1 to 6, which is characterized in that the conducting element has 0.1 ohm × meter
To the unit impedance of 10 megaohms × meter.
8. equipment as claimed in claim 7, which is characterized in that in using the structure configuration established at position (4), the electricity
The resistance of gas element (1) is in the range of 0.1 ohm to 10 megaohms.
9. such as described in any item equipment of claim 1 to 8, which is characterized in that the conducting element (1) is paint vehicle.
10. equipment as claimed in claim 9, which is characterized in that the paint vehicle is added at least one conductive material.
11. equipment as claimed in claim 10, which is characterized in that added material is graphite or metal.
12. equipment as claimed in claim 11, which is characterized in that the metal is aluminium or copper.
13. such as described in any item equipment of claim 1 to 12, which is characterized in that the equipment is configured to, on said device
The variation of the resistance detected by the equipment is measured in the case where there are moisture or it can be measured.
14. such as described in any item equipment of claim 1 to 13, which is characterized in that the equipment is at least two in part
The electrical component (1) that position is separated from each other.
15. such as described in any item equipment of claim 1 to 14, which is characterized in that there is the equipment at least one to be selected from down
Element in one group of column: RFID label tag, CAN bus chip, A-RFID (2), passive RFID, cable, USB adapter, measurement point,
Printed conductor (3), battery, current source.
16. such as described in any item equipment of claim 9 to 15, which is characterized in that the paint vehicle is that one kind contains alkyd tree
Rouge, the paint vehicle up to being made of alkyd resin.
17. in the method detected using position to measurement variation, which is characterized in that application such as claim 1 to
16 described in any item equipment.
18. the application of equipment as described in any one of claim 1 to 16 is used for humidity sensor mechanism, as anti-theft device, liquid
Position instruction, discharge protection, alarm sensing mechanism, humidity alarm and to carry out hygrometry.
19. application as claimed in claim 18, which is characterized in that the application is employed for motor vehicle, truck, two-wheeled
Vehicle, aircraft, rail vehicle, ship, building, dress ornament, container, hose, fence, shell, timber, in battery.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102016007297.0A DE102016007297A1 (en) | 2016-06-16 | 2016-06-16 | Device for detecting changes in measured values at a place of use, comprising at least one electrically conductive element |
| DE102016007297.0 | 2016-06-16 | ||
| PCT/DE2017/000168 WO2017215693A1 (en) | 2016-06-16 | 2017-06-16 | Method and apparatus for sensing moisture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109416335A true CN109416335A (en) | 2019-03-01 |
Family
ID=59366170
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201780037070.6A Pending CN109416335A (en) | 2016-06-16 | 2017-06-16 | Method and apparatus for detecting humidity |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP3472604A1 (en) |
| CN (1) | CN109416335A (en) |
| DE (1) | DE102016007297A1 (en) |
| WO (1) | WO2017215693A1 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102018118467A1 (en) * | 2018-07-31 | 2020-02-06 | Turck Holding Gmbh | humidity sensor |
| DE102021213055A1 (en) | 2021-11-19 | 2023-05-25 | Volkswagen Aktiengesellschaft | Cascaded shutdown system in the event of liquid entering a vehicle's steering system |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0305768A2 (en) * | 1987-09-01 | 1989-03-08 | Daimler-Benz Aktiengesellschaft | Apparatus for determining the humidity near the floor of a lorry |
| DE19519099C1 (en) * | 1995-05-24 | 1996-08-29 | Vdo Schindling | Resistive moisture sensor especially for windscreen of motor vehicle for automatic windscreen wiper actuation |
| DE10104942A1 (en) * | 2000-02-11 | 2001-08-16 | E & E Elektronik Gmbh | Sensor arrangement has moisture sensitive element near bearer board opening connected to conducting tracks so there is at least certain sensor element/bearer surface temperature difference |
| CN1423123A (en) * | 2001-12-07 | 2003-06-11 | 三星电子株式会社 | Humidity sensor of polymer type |
| CN101334372A (en) * | 2007-06-27 | 2008-12-31 | 芬兰国立技术研究中心 | Time and humidity sensor and the use thereof |
| CN102750572A (en) * | 2012-06-01 | 2012-10-24 | 北京物资学院 | RFID (Radio Frequency Identification Devices) label with moisture sensor, RFID system and method for detecting moisture |
| DE102012007551A1 (en) * | 2012-04-14 | 2012-11-08 | Daimler Ag | Method for testing water tightness of interior of vehicle, involves loading water in vehicle and existence of dampness in vehicle interior, which is tested by detection device containing electric conductor |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1018649B (en) * | 1956-09-12 | 1957-10-31 | Gann App U Maschb Ges M B H | Process for electrically indicated moisture measurement and electrode for practicing the process |
| DE1598590A1 (en) * | 1967-05-23 | 1970-06-18 | Heidenreich Dipl Ing Robert | Hydrophilic plastic as a moisture indicator |
| DE2251952C3 (en) * | 1972-10-23 | 1980-03-13 | Perren, Benno, Wettingen, Aargau (Schweiz) | Probe for the detection of organic liquids |
| DE4337809A1 (en) * | 1993-11-05 | 1995-05-11 | Abb Research Ltd | Electric resistor and method for its fabrication |
| DE19524943C2 (en) * | 1995-07-08 | 2003-05-08 | Siemens Ag | sensor |
| DE102008044932A1 (en) * | 2008-08-29 | 2010-03-04 | Brillux Gmbh & Co. Kg | Conductive paint |
| DE102013201769A1 (en) * | 2013-02-04 | 2014-08-07 | Deutsches Zentrum für Luft- und Raumfahrt e.V. | Surveying arrangement and method of surveying |
-
2016
- 2016-06-16 DE DE102016007297.0A patent/DE102016007297A1/en active Pending
-
2017
- 2017-06-16 EP EP17740609.7A patent/EP3472604A1/en not_active Withdrawn
- 2017-06-16 WO PCT/DE2017/000168 patent/WO2017215693A1/en unknown
- 2017-06-16 CN CN201780037070.6A patent/CN109416335A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0305768A2 (en) * | 1987-09-01 | 1989-03-08 | Daimler-Benz Aktiengesellschaft | Apparatus for determining the humidity near the floor of a lorry |
| DE19519099C1 (en) * | 1995-05-24 | 1996-08-29 | Vdo Schindling | Resistive moisture sensor especially for windscreen of motor vehicle for automatic windscreen wiper actuation |
| DE10104942A1 (en) * | 2000-02-11 | 2001-08-16 | E & E Elektronik Gmbh | Sensor arrangement has moisture sensitive element near bearer board opening connected to conducting tracks so there is at least certain sensor element/bearer surface temperature difference |
| CN1423123A (en) * | 2001-12-07 | 2003-06-11 | 三星电子株式会社 | Humidity sensor of polymer type |
| CN101334372A (en) * | 2007-06-27 | 2008-12-31 | 芬兰国立技术研究中心 | Time and humidity sensor and the use thereof |
| DE102012007551A1 (en) * | 2012-04-14 | 2012-11-08 | Daimler Ag | Method for testing water tightness of interior of vehicle, involves loading water in vehicle and existence of dampness in vehicle interior, which is tested by detection device containing electric conductor |
| CN102750572A (en) * | 2012-06-01 | 2012-10-24 | 北京物资学院 | RFID (Radio Frequency Identification Devices) label with moisture sensor, RFID system and method for detecting moisture |
Also Published As
| Publication number | Publication date |
|---|---|
| EP3472604A1 (en) | 2019-04-24 |
| WO2017215693A1 (en) | 2017-12-21 |
| DE102016007297A1 (en) | 2017-12-21 |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190301 |
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| RJ01 | Rejection of invention patent application after publication |