DE102014002486A1 - Device for optical measurement of transmission path of compensating optical sensor system, has reflector changing spatial distribution of light of transmitter on receiver, and compensation window reducing intensity of light on receiver - Google Patents
Device for optical measurement of transmission path of compensating optical sensor system, has reflector changing spatial distribution of light of transmitter on receiver, and compensation window reducing intensity of light on receiver Download PDFInfo
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- DE102014002486A1 DE102014002486A1 DE201410002486 DE102014002486A DE102014002486A1 DE 102014002486 A1 DE102014002486 A1 DE 102014002486A1 DE 201410002486 DE201410002486 DE 201410002486 DE 102014002486 A DE102014002486 A DE 102014002486A DE 102014002486 A1 DE102014002486 A1 DE 102014002486A1
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 30
- 230000003287 optical effect Effects 0.000 title description 15
- 238000005259 measurement Methods 0.000 title description 2
- 230000002238 attenuated effect Effects 0.000 claims description 6
- 238000002310 reflectometry Methods 0.000 claims description 5
- 238000000034 method Methods 0.000 description 4
- 230000005855 radiation Effects 0.000 description 4
- 230000004888 barrier function Effects 0.000 description 2
- 230000003595 spectral effect Effects 0.000 description 2
- BUHVIAUBTBOHAG-FOYDDCNASA-N (2r,3r,4s,5r)-2-[6-[[2-(3,5-dimethoxyphenyl)-2-(2-methylphenyl)ethyl]amino]purin-9-yl]-5-(hydroxymethyl)oxolane-3,4-diol Chemical compound COC1=CC(OC)=CC(C(CNC=2C=3N=CN(C=3N=CN=2)[C@H]2[C@@H]([C@H](O)[C@@H](CO)O2)O)C=2C(=CC=CC=2)C)=C1 BUHVIAUBTBOHAG-FOYDDCNASA-N 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
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- 230000007704 transition Effects 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
- G01D5/26—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light
- G01D5/32—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light
- G01D5/34—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D3/00—Indicating or recording apparatus with provision for the special purposes referred to in the subgroups
- G01D3/06—Indicating or recording apparatus with provision for the special purposes referred to in the subgroups with provision for operation by a null method
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- Optical Communication System (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
Abstract
Description
Einleitung und Stand der TechnikIntroduction and state of the art
Ein wesentliches Problem bei kompensierenden optischen Sensorsystemen, wie beispielsweise in
Aufgabe der ErfindungObject of the invention
Aufgabe der Erfindung ist es daher eine Vorrichtung anzugeben, die das Betreiben eines Kompensationssenders (K) und eines Senders (H) im gleichen elektrooptischen Arbeitspunkt bezogen auf eine typische Positionierung eines Objekts (O) gegenüber dem Empfänger (D) bei einer typischen Reflektivität des Objekts (O) ermöglicht. Diese Aufgabe wird mit einer Vorrichtung gemäß Anspruch 1 gelöst.The object of the invention is therefore to provide a device which comprises operating a compensation transmitter (K) and a transmitter (H) in the same electro-optical operating point with respect to a typical positioning of an object (O) relative to the receiver (D) with a typical reflectivity of the object (O) allows. This object is achieved with a device according to
Beschreibung der grundlegenden Erfindung Description of the basic invention
Zur Erläuterung der Erfindung wird an dieser Stelle nun auf die nicht im publizierten Stand der Technik offenbarten Elemente der
Hierdurch ist es möglich insbesondere bei einem Kompensationssender (K), der vom gleichen Typ wie ein Sender (H) ist, beide – Kompensationsender (K) und Sender (H) in eine gleichen elektooptischen Arbeitspunkt für einen typischen Anwendungsfall zu betreiben. Der gleiche elektrooptische Arbeitspunkt ist dabei durch gleich Leuchtintensität (Lichtenergie) des Kompensationssenders (K) und des Senders (H) bei gleicher optischen Strahlungsdichte integriert über die Empfangsfläche des Empfängers (D) auf dem Empfänger (D) definiert. Dies hat den Vorteil, dass die Temperaturkoeffizienten von Sender (H) und Kompensationssender (K) in diesem elektrooptischen Arbeitspunkt einander gleichen, wodurch eine temperaturbedingte Drift des Messsignals (S4) vermindert wird. Da die Leuchtintensität (Lichtenergieabstrahlung) des Kompensationssenders (K) und des Senders (H) beispielsweise im Falle von Leuchtdioden beispielsweise vom eingeprägten Betriebsstrom der Leuchtdioden abhängt bedeutet eine gleiche Leuchtintensität (Lichtenergieabstrahlung) in etwa einen gleichen Stromarbeitspunkt. Ähnliches kann für die elektrische Leistung und/oder elektrische Spannung angegeben werden, je nachdem, wie die Leuchtdioden angesteuert werden. Der Kompensationssender (K) und der Sender (H) strahlen daher in zumindest einem Systemarbeitspunkt, der gekennzeichnet ist durch ein zu vermessendes Objekt (O) innerhalb eines vorgesehenen Objektabstands zum Empfänger (D) und durch eine Reflektivität von mehr als 0% der auf das Objekt (O) durch den Sender (H) eingestrahlten Lichtleistung, jeweils eine Lichtleistung ab, die nicht mehr als 25%, besser nicht mehr als 10%, besser nicht mehr als 5%, besser nicht mehr als 2%, besser nicht mehr als 1% zwischen Kompensationssender (K) und Sender (H) voneinander abweichtThis makes it possible, in particular for a compensation transmitter (K), which is of the same type as a transmitter (H), to operate both compensation transmitter (K) and transmitter (H) in a same electro-optical operating point for a typical application. The same electro-optical operating point is defined by the same luminous intensity (light energy) of the compensation transmitter (K) and the transmitter (H) with the same optical radiation density integrated over the receiving surface of the receiver (D) on the receiver (D). This has the advantage that the temperature coefficients of transmitter (H) and compensation transmitter (K) in this electro-optical operating point are equal to each other, whereby a temperature-induced drift of the measuring signal (S4) is reduced. Since the luminous intensity (light energy radiation) of the compensation transmitter (K) and the transmitter (H), for example in the case of light-emitting diodes, for example, depends on the impressed operating current of the light emitting diodes means a same light intensity (light energy radiation) in about a same power working point. The same can be stated for the electrical power and / or electrical voltage, depending on how the light-emitting diodes are driven. The compensation transmitter (K) and the transmitter (H) therefore radiate in at least one system operating point, characterized by an object (O) to be measured within an intended object distance to the receiver (D) and by a reflectivity of more than 0% of that on the Object (O) by the transmitter (H) radiated light output, each a light output from the not more than 25%, better not more than 10%, better not more than 5%, better not more than 2%, better not more than 1% between compensating transmitter (K) and transmitter (H) are different
Darüber hinaus ist es sinnvoll, das Empfangspfadfenster (WD) und/oder ein ggf. zugehöriges Empfangspfadfilter (FD) optisch nur für das zu detektierende Licht transparent zu gestalten. Dies kann insbesondere so geschehen, dass es für Licht der Wellenlänge des Senders (H) oder des zu detektierenden Lichts transparent ist, also das Licht des Senders (H) oder das zu detektierende Licht bei dessen Schwerpunktswellenlänge um nicht mehr als 50% besser nicht mehr als 25%, besser nicht mehr als 10%, besser nicht mehr als 5%, besser, nicht mehr als 2%, besser nicht mehr als 1% dämpft. Die Wellenlänge des zu detektierenden Lichts kann dabei von der Schwerpunktswellenlänge des Senders (H) abweichen. Dies ist beispielsweise bei der Messung von Fluoreszenzeigenschaften des Objekts (O) wichtig. Dabei wird die Dämpfung berechnet als 100% minus die Intensität des Lichts vor dem Empfangspfadfilter (FD) geteilt durch Intensität des Lichts hinter dem Empfangspfadfilter (FD). Gleichzeitig soll das Empfangspfadfilter (FD), also das Empfangspfadfenster (WD), für Licht der Wellenlänge des Störers intransparent sein, also das Licht des Störers zumindest bei dessen Schwerpunktswellenlänge um mehr als 50% besser mehr als 75%, besser mehr als 90%, besser mehr als 95%, besser, mehr als 98%, besser mehr als 99% dämpfen. Dabei wird die Dämpfung wieder berechnet als 100% minus die Intensität des Lichts vor dem Empfangspfadfilter (FD) geteilt durch Intensität des Lichts hinter dem Empfangspfadfilter (FD). Noch besser ist, wenn diese Dämpfungsverhältnisse für die integrale Dämpfung des Lichts des Störers in dem Spektralbereich gelten, in dem der Empfänger (D) empfindlich ist. Es sollte nicht unerwähnt bleiben, dass auch der Sendepfad typischerweise ein Sendepfadfenster (WH) aufweist, das mit einem Sendepfadfilter (FH) versehen sein kann. Es ist sinnvoll, wenn auch das Sendepfadfilter (FH) optisch nur für das zu Licht des Senders (H) transparent zu gestalten. Dies kann insbesondere so geschehen, dass es für Licht der Wellenlänge des Senders (H) transparent ist, also das Licht des Senders (H) bei dessen Schwerpunktswellenlänge um nicht mehr als 50% besser nicht mehr als 25%, besser nicht mehr als 10%, besser nicht mehr als 5%, besser, nicht mehr als 2%, besser nicht mehr als 1% dämpft. Dabei wird die Dämpfung berechnet als 100% minus die Intensität des Lichts vor dem Sendepfadfilter (FH) geteilt durch Intensität des Lichts hinter dem Sendepfadfilter (FH). Gleichzeitig soll das Sendepfadfilter (FH), also das Sendepfadfenster (WH) für Licht der Wellenlänge eines anwendungstypischen Störers, beispielsweise einer Leuchtstoffröhre, intransparent sein, also das Licht des Störers zumindest bei dessen Schwerpunktswellenlänge um mehr als 50% besser mehr als 75%, besser mehr als 90%, besser mehr als 95%, besser, mehr als 98%, besser mehr als 99% dämpfen. Dabei wird die Dämpfung wieder berechnet als 100% minus die Intensität des Lichts vor dem Sendepfadfilter (FH) geteilt durch Intensität des Lichts nach Durchgang durch den Sendepfadfilter (FH). Noch besser ist, wenn diese Dämpfungsverhältnisse für die integrale Dämpfung des Lichts des Störers in dem Spektralbereich gelten, in dem der Empfänger (D) empfindlich ist. Das Eindringen des Lichts des Störers in das System (
Die Vorrichtung und das Verfahren sind besonders für die Verwendung in Automobilen mit erhöhten Anforderungen hinsichtlich der elektromagnetischen Verträglichkeit geeignet.The apparatus and method are particularly suitable for use in automobiles with increased electromagnetic compatibility requirements.
ZITATE ENTHALTEN IN DER BESCHREIBUNG QUOTES INCLUDE IN THE DESCRIPTION
Diese Liste der vom Anmelder aufgeführten Dokumente wurde automatisiert erzeugt und ist ausschließlich zur besseren Information des Lesers aufgenommen. Die Liste ist nicht Bestandteil der deutschen Patent- bzw. Gebrauchsmusteranmeldung. Das DPMA übernimmt keinerlei Haftung für etwaige Fehler oder Auslassungen.This list of the documents listed by the applicant has been generated automatically and is included solely for the better information of the reader. The list is not part of the German patent or utility model application. The DPMA assumes no liability for any errors or omissions.
Zitierte PatentliteraturCited patent literature
- DE 10001955 A1 [0001] DE 10001955 A1 [0001]
- DE 10024156 A1 [0001] DE 10024156 A1 [0001]
- DE 19839730 C1 [0001] DE 19839730 C1 [0001]
- DE 10346741 B3 [0001] DE 10346741 B3 [0001]
- DE 102004025345 B3 [0001] DE 102004025345 B3 [0001]
- DE 102005010745 B3 [0001] DE 102005010745 B3 [0001]
- DE 102007005187 B4 [0001] DE 102007005187 B4 [0001]
- DE 102013003791 [0003] DE 102013003791 [0003]
- DE 102013005787 [0003] DE 102013005787 [0003]
- DE 2013/000495 [0003] DE 2013/000495 [0003]
Claims (11)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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DE102014002486.5A DE102014002486B4 (en) | 2013-02-27 | 2014-02-12 | Compensating optical sensor system |
Applications Claiming Priority (11)
Application Number | Priority Date | Filing Date | Title |
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DE102013003791.3 | 2013-02-27 | ||
DE102013003791 | 2013-02-27 | ||
DE102013005787 | 2013-03-28 | ||
DE102013005787.6 | 2013-03-28 | ||
EPPCT/DE2013/000495 | 2013-08-29 | ||
DE2013000495 | 2013-08-29 | ||
EPPCT/DE2014/000024 | 2014-01-22 | ||
PCT/DE2014/000024 WO2014131385A1 (en) | 2013-02-27 | 2014-01-22 | Multifunctional optical micro sensor system |
DEPCT/DE2014/000046 | 2014-02-07 | ||
PCT/DE2014/000046 WO2014131386A1 (en) | 2013-02-27 | 2014-02-07 | Multifunctional optical micro sensor system |
DE102014002486.5A DE102014002486B4 (en) | 2013-02-27 | 2014-02-12 | Compensating optical sensor system |
Publications (2)
Publication Number | Publication Date |
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DE102014002486A1 true DE102014002486A1 (en) | 2014-08-28 |
DE102014002486B4 DE102014002486B4 (en) | 2017-10-19 |
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DE102014002486.5A Active DE102014002486B4 (en) | 2013-02-27 | 2014-02-12 | Compensating optical sensor system |
DE102014002788.0A Pending DE102014002788A1 (en) | 2013-02-27 | 2014-02-20 | Multifunctional optical micro-sensor system |
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DE102014002788.0A Pending DE102014002788A1 (en) | 2013-02-27 | 2014-02-20 | Multifunctional optical micro-sensor system |
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Cited By (13)
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DE202014007445U1 (en) | 2013-02-27 | 2015-01-22 | Elmos Semiconductor Ag | Multifunctional optical micro-sensor system |
DE102014012158A1 (en) | 2013-09-12 | 2015-03-12 | Mechaless Systems Gmbh | Gesture recognition and gesture recognition device |
DE102015002283A1 (en) | 2014-05-09 | 2015-11-12 | Elmos Semiconductor Aktiengesellschaft | Device and method for in particular three-dimensional optical scanning and measuring of objects and for object recognition by means of light transit time measurement and object-dependent spatial resolution of several different individual scanners |
DE102014017237A1 (en) | 2014-11-21 | 2016-05-25 | Mechaless Systems Gmbh | Measuring system for energy-saving optical distance measurement |
DE102014019773A1 (en) | 2014-12-17 | 2016-06-23 | Elmos Semiconductor Aktiengesellschaft | Apparatus and method for distinguishing solid objects, cooking fumes and smoke by means of the display of a mobile telephone |
DE102014019172A1 (en) | 2014-12-17 | 2016-06-23 | Elmos Semiconductor Aktiengesellschaft | Apparatus and method for distinguishing solid objects, cooking fumes and smoke with a compensating optical measuring system |
DE102015006174B3 (en) * | 2015-05-08 | 2016-08-11 | Elmos Semiconductor Aktiengesellschaft | Device and method for measuring an optical, capacitive, inductive transmission path |
DE102017106811A1 (en) | 2016-05-09 | 2017-11-09 | Elmos Semiconductor Aktiengesellschaft | Device and associated method for autonomous address configuration of configurable, flexible LED strips |
DE102017106813A1 (en) | 2016-05-09 | 2017-11-09 | Elmos Semiconductor Aktiengesellschaft | Device and associated method for autonomous address configuration of configurable, flexible sensor bands |
DE102017106812A1 (en) | 2016-05-09 | 2017-11-09 | Elmos Semiconductor Aktiengesellschaft | Device and associated method for autonomous address configuration of configurable, flexible LED sensor strips |
DE102017100308B3 (en) | 2016-12-06 | 2018-05-30 | Elmos Semiconductor Aktiengesellschaft | Device and method for measuring an optical, capacitive, inductive transmission path with reduced EMC sensitivity |
DE102017100306A1 (en) | 2017-01-09 | 2018-07-12 | Elmos Semiconductor Aktiengesellschaft | Device and method for measuring an optical, capacitive, inductive transmission path by means of multiple modulation |
DE102017100305A1 (en) | 2017-01-09 | 2018-07-12 | Elmos Semiconductor Aktiengesellschaft | Device and method for measuring an optical, capacitive, inductive transmission path by means of multiple modulation |
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DE202014007445U1 (en) | 2013-02-27 | 2015-01-22 | Elmos Semiconductor Ag | Multifunctional optical micro-sensor system |
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DE102014017237A1 (en) | 2014-11-21 | 2016-05-25 | Mechaless Systems Gmbh | Measuring system for energy-saving optical distance measurement |
DE102014019172A1 (en) | 2014-12-17 | 2016-06-23 | Elmos Semiconductor Aktiengesellschaft | Apparatus and method for distinguishing solid objects, cooking fumes and smoke with a compensating optical measuring system |
DE102014019773A1 (en) | 2014-12-17 | 2016-06-23 | Elmos Semiconductor Aktiengesellschaft | Apparatus and method for distinguishing solid objects, cooking fumes and smoke by means of the display of a mobile telephone |
DE102014019773B4 (en) | 2014-12-17 | 2023-12-07 | Elmos Semiconductor Se | Device and method for distinguishing between solid objects, cooking fumes and smoke using the display of a mobile telephone |
DE102014019172B4 (en) | 2014-12-17 | 2023-12-07 | Elmos Semiconductor Se | Device and method for distinguishing between solid objects, cooking fumes and smoke using a compensating optical measuring system |
DE102015006174B3 (en) * | 2015-05-08 | 2016-08-11 | Elmos Semiconductor Aktiengesellschaft | Device and method for measuring an optical, capacitive, inductive transmission path |
DE102017106811A1 (en) | 2016-05-09 | 2017-11-09 | Elmos Semiconductor Aktiengesellschaft | Device and associated method for autonomous address configuration of configurable, flexible LED strips |
DE102017106813A1 (en) | 2016-05-09 | 2017-11-09 | Elmos Semiconductor Aktiengesellschaft | Device and associated method for autonomous address configuration of configurable, flexible sensor bands |
DE102017106812A1 (en) | 2016-05-09 | 2017-11-09 | Elmos Semiconductor Aktiengesellschaft | Device and associated method for autonomous address configuration of configurable, flexible LED sensor strips |
DE102017100308B3 (en) | 2016-12-06 | 2018-05-30 | Elmos Semiconductor Aktiengesellschaft | Device and method for measuring an optical, capacitive, inductive transmission path with reduced EMC sensitivity |
DE102017100306A1 (en) | 2017-01-09 | 2018-07-12 | Elmos Semiconductor Aktiengesellschaft | Device and method for measuring an optical, capacitive, inductive transmission path by means of multiple modulation |
DE102017100305A1 (en) | 2017-01-09 | 2018-07-12 | Elmos Semiconductor Aktiengesellschaft | Device and method for measuring an optical, capacitive, inductive transmission path by means of multiple modulation |
DE102017100306B4 (en) | 2017-01-09 | 2021-08-12 | Elmos Semiconductor Se | Device and method for measuring an optical, capacitive, inductive transmission path by means of multiple modulation |
DE102017100305B4 (en) | 2017-01-09 | 2021-08-12 | Elmos Semiconductor Se | Device and method for measuring an optical, capacitive, inductive transmission path by means of multiple modulation |
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DE102014002486B4 (en) | 2017-10-19 |
DE102014002788A1 (en) | 2014-08-28 |
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