WO2006097096A1 - Ensemble capteur pour un vehicule automobile - Google Patents

Ensemble capteur pour un vehicule automobile Download PDF

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Publication number
WO2006097096A1
WO2006097096A1 PCT/DE2006/000489 DE2006000489W WO2006097096A1 WO 2006097096 A1 WO2006097096 A1 WO 2006097096A1 DE 2006000489 W DE2006000489 W DE 2006000489W WO 2006097096 A1 WO2006097096 A1 WO 2006097096A1
Authority
WO
WIPO (PCT)
Prior art keywords
light
sensor unit
sensor
detecting
light sensor
Prior art date
Application number
PCT/DE2006/000489
Other languages
German (de)
English (en)
Inventor
Thomas Niemann
Andreas BÜLTER
Jens Knabe
Carsten Horst
Thomas Henke
Reiner Thiemann
Original Assignee
Hella Kgaa Hueck & Co.
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Hella Kgaa Hueck & Co. filed Critical Hella Kgaa Hueck & Co.
Publication of WO2006097096A1 publication Critical patent/WO2006097096A1/fr

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J1/00—Photometry, e.g. photographic exposure meter
    • G01J1/42—Photometry, e.g. photographic exposure meter using electric radiation detectors
    • G01J1/4228—Photometry, e.g. photographic exposure meter using electric radiation detectors arrangements with two or more detectors, e.g. for sensitivity compensation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
    • B60H1/00—Heating, cooling or ventilating [HVAC] devices
    • B60H1/00642—Control systems or circuits; Control members or indication devices for heating, cooling or ventilating devices
    • B60H1/00735—Control systems or circuits characterised by their input, i.e. by the detection, measurement or calculation of particular conditions, e.g. signal treatment, dynamic models
    • B60H1/0075—Control systems or circuits characterised by their input, i.e. by the detection, measurement or calculation of particular conditions, e.g. signal treatment, dynamic models the input being solar radiation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
    • B60Q1/00—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor
    • B60Q1/02—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments
    • B60Q1/04—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights
    • B60Q1/14—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights having dimming means
    • B60Q1/1415—Dimming circuits
    • B60Q1/1423—Automatic dimming circuits, i.e. switching between high beam and low beam due to change of ambient light or light level in road traffic
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J1/00—Photometry, e.g. photographic exposure meter
    • G01J1/42—Photometry, e.g. photographic exposure meter using electric radiation detectors
    • G01J1/4204—Photometry, e.g. photographic exposure meter using electric radiation detectors with determination of ambient light
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J1/00—Photometry, e.g. photographic exposure meter
    • G01J1/42—Photometry, e.g. photographic exposure meter using electric radiation detectors
    • G01J2001/4266—Photometry, e.g. photographic exposure meter using electric radiation detectors for measuring solar light

Definitions

  • the invention relates to a sensor arrangement for a motor vehicle having a first light sensor unit with at least one sensor element for detecting solar radiation for controlling an air conditioning system and having a second light sensor unit having at least one sensor element for detecting the ambient light for controlling the illumination of the motor vehicle.
  • a light sensor unit In motor vehicles, two different light sensor units are typically provided, wherein a light sensor unit is used to control an air conditioner.
  • the detection of the direct sunlight is particularly important because it provides information about the heating of the motor vehicle.
  • the entire radiation spectrum of the sun and in particular the IR component, which is decisive for the heating must be detected.
  • a second light sensor unit with at least one sensor element for detecting the ambient light for controlling the illumination of the motor vehicle is regularly provided in motor vehicles.
  • the exterior lighting and / or the interior lighting or dashboard lighting of the motor vehicle can be controlled automatically.
  • the visible part of the light is registered, that is the range from about 390 nm to 770 nm with a maximum of sensitivity at about 550 nm.
  • the sensitivity of the sensor element should correspond to that of the human eye .
  • the invention has for its object to provide a sensor arrangement of the type mentioned, which is particularly simple.
  • a sensor arrangement for a motor vehicle having a first light sensor unit with at least one sensor element for detecting the
  • Sun radiation for controlling an air conditioner and having a second light sensor unit with at least one sensor element for detecting the ambient light for controlling the illumination of the motor vehicle is provided according to the invention that the second light sensor unit for detecting the ambient light is in communication with at least one sensor element of the first light sensor unit for detecting solar radiation , Due to the dual use of at least one sensor element in two different light sensor units, the sensor arrangement can be made particularly simple and inexpensive.
  • the second light sensor unit for detecting the ambient light is connected to a subtraction circuit having at least one sensor element of the first light sensor unit for detecting the solar radiation.
  • the infrared radiation component determined with the first light sensor unit for detecting the solar radiation can be subtracted from the total light intensity determined with the second light sensor unit for detecting the ambient light, so that a better approximation of the measured radiation to the sensitivity of the human eye takes place in this way.
  • typical sensor elements which are manufactured relatively inexpensively, have a sensitivity that extends into the infrared range and therefore also
  • the second light sensor unit for detecting the ambient light is connected in circuit with at least one sensor element of the first light sensor unit for detecting the solar radiation.
  • the first light sensor unit for detecting the solar radiation for controlling an air conditioner and the second
  • Light sensor unit for detecting the ambient light for controlling the
  • Light sensor units is particularly easy in this way possible.
  • a sensor element of the second light sensor unit for detecting the ambient light is preferably positioned centrally and at least one sensor element of the first light sensor unit for controlling the air conditioning system is positioned laterally thereof.
  • two sensor elements of the first light sensor unit are arranged symmetrically on both sides of the centrally arranged sensor element of the second light sensor unit.
  • the at least one sensor element of the first light sensor unit for detecting the solar radiation essentially evaluates an infrared portion of the radiation spectrum. This is preferably achieved in that the at least one sensor element of the first light sensor unit for detecting the solar radiation is associated with a filter which is substantially permeable in the region of the IR radiation.
  • the entire sensor arrangement is arranged under a filter cap.
  • the filter cap preferably has a central recess or a region of increased transmission, which is arranged centrally such that it is associated with the sensor element of the second light sensor unit for detecting the ambient light.
  • the range of increased transmission becomes preferably formed by a reduced wall thickness in this area.
  • the continuous cap protects the underlying light sensor units.
  • the filter cap is preferably cap-shaped or hill-like, wherein the individual sensor elements are arranged at the same distance under the filter cap. This means that the centrally arranged sensor element of the second light sensor unit is structurally increased in comparison to the sensor element (s) of the first light sensor unit, which are arranged laterally next to the sensor element of the second light sensor unit and thus in a region of a falling edge of the filter cap.
  • Light sensor unit and the second light sensor unit are preferably of identical design. The different sensitivities therefore result essentially from the assignment to the different regions of the filter cap.
  • FIG. 1 shows an illustration of the sensor arrangement according to the invention.
  • FIG. 2 shows a basic circuit for the sensor arrangement according to the invention.
  • the sensor arrangement 1 is shown schematically, which has a first light sensor unit 10 for detecting the solar radiation for controlling an air conditioner and a second light sensor unit 20 for detecting the ambient light for controlling the illumination of the motor vehicle.
  • the first light sensor unit 10 and the second light sensor unit 20 are covered by a filter cap 3.
  • An essential component of the first light sensor unit 10 are two sensor elements 11 and 12. Further components of the first light sensor unit 10 are the associated wiring and possibly also evaluation electronics.
  • the evaluation electronics can also be used in one of the Be arranged light sensor unit 10 downstream stage. The same applies to the light sensor unit 20.
  • the sensor elements 11, 12 and 21 are arranged on a support 6, wherein the support 6 follows in its contour substantially the contour of the filter cap 3, so that the sensor elements 11, 12 and 21 each with approximately the same Distance from the filter cap 3 are arranged.
  • Filter cap 3 has a recess or cap opening 4, wherein this recess does not have to be continuous or unrepresentable, but is to be understood as a region of increased or complete transmission.
  • the filter cap 3 leaves in the remaining areas outside the recess 4 substantially only the iR Strahiungsanteii, so that the Sensoreiemente
  • the second light sensor unit 20 provides a result that corresponds to the measurement of the ambient light minus an IR component, that is, approximates the human eye.
  • the circuit of the sensor arrangement is shown schematically.
  • the sensor elements 11 and 12 which essentially receive an infrared light spectrum, and the sensor element 21, which records substantially the entire light spectrum, are shown.
  • the measured intensities are fed to a subtraction circuit 30, which is also referred to as differentiation logic.
  • the resulting differential current is applied to an amplifier logic 31.
  • the output signal or the output current represents the result of the second light sensor unit and represents a measurement result of the light spectrum minus the infrared component. This result essentially corresponds to the sensitivity of the human eye.

Abstract

L'invention concerne un ensemble capteur pour un véhicule automobile. L'ensemble capteur selon l'invention comprend une première unité capteur de lumière munie d'au moins un élément capteur pour la détection de l'ensoleillement afin de commander une installation de climatisation, ainsi qu'une deuxième unité capteur de lumière munie d'au moins un élément capteur pour la détection de la lumière ambiante afin de commander l'éclairage du véhicule automobile. L'ensemble capteur selon l'invention est caractérisé en ce que la deuxième unité capteur de lumière pour la détection de la lumière ambiante est en liaison avec au moins un élément capteur de la première unité capteur de lumière pour la détection de l'ensoleillement. Il est ainsi possible de produire cet ensemble capteur simplement et à faible coût.
PCT/DE2006/000489 2005-03-17 2006-03-17 Ensemble capteur pour un vehicule automobile WO2006097096A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102005012826.2 2005-03-17
DE200510012826 DE102005012826A1 (de) 2005-03-17 2005-03-17 Sensoranordnung für ein Kraftfahrzeug

Publications (1)

Publication Number Publication Date
WO2006097096A1 true WO2006097096A1 (fr) 2006-09-21

Family

ID=36581455

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/DE2006/000489 WO2006097096A1 (fr) 2005-03-17 2006-03-17 Ensemble capteur pour un vehicule automobile

Country Status (2)

Country Link
DE (1) DE102005012826A1 (fr)
WO (1) WO2006097096A1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITFG20080007A1 (it) * 2008-07-02 2008-10-01 Mauro Pompetti Sensore di maggiore luminosita' del cielo per inseguitori solari
DE102008047012B4 (de) * 2008-09-12 2023-08-24 Volkswagen Ag Sensoranordnung und Vorrichtung zur Steuerung einer Klimaanlage und einer Beleuchtungseinrichtung für ein Fahrzeug
FR2986755B1 (fr) * 2012-02-14 2016-11-04 Renault Sa Capteur de lumiere pour planche de bord a redondance de securite par mesure d'ensoleillement
DE102019103893A1 (de) * 2018-12-06 2020-06-10 Siteco Gmbh Upgradbares Stufenkonzept für Beleuchtungssysteme

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5416318A (en) * 1991-10-03 1995-05-16 Hegyi; Dennis J. Combined headlamp and climate control sensor having a light diffuser and a light modulator
DE19630216A1 (de) * 1996-07-26 1998-01-29 Daimler Benz Ag Fahrzeug mit fahrsituationsabhängiger Lichtsteuerung
EP1477784A1 (fr) * 2003-05-13 2004-11-17 Exon Science Inc. Actionnement automatique d'un dispositif en fonction de l'intensité UV

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19509164C1 (de) * 1995-03-14 1996-03-14 Preh Elektro Feinmechanik Regelaggregat für Fahrzeug-Klimaanlagen
DE19523262A1 (de) * 1995-06-27 1997-01-02 Bosch Gmbh Robert Einrichtung zur automatischen Schaltung von Beleuchtungseinrichtungen bei Fahrzeugen
JP3882378B2 (ja) * 1998-03-27 2007-02-14 株式会社デンソー 光センサ
US6831268B2 (en) * 2002-01-10 2004-12-14 Gentex Corporation Sensor configuration for substantial spacing from a small aperture
DE102004028273A1 (de) * 2003-07-01 2005-02-03 Conti Temic Microelectronic Gmbh Vorrichtung zur Bewertung eines Lichteinfalls mittels zumindest eines optoelektronischen Empfängers sowie Klimaanlage und Beleuchtungssteuereinrichtung mit einer solchen
DE10340346A1 (de) * 2003-08-29 2005-04-28 Hella Kgaa Hueck & Co Sensorvorrichtung, insbesondere für Kraftfahrzeuge

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5416318A (en) * 1991-10-03 1995-05-16 Hegyi; Dennis J. Combined headlamp and climate control sensor having a light diffuser and a light modulator
DE19630216A1 (de) * 1996-07-26 1998-01-29 Daimler Benz Ag Fahrzeug mit fahrsituationsabhängiger Lichtsteuerung
EP1477784A1 (fr) * 2003-05-13 2004-11-17 Exon Science Inc. Actionnement automatique d'un dispositif en fonction de l'intensité UV

Also Published As

Publication number Publication date
DE102005012826A1 (de) 2006-09-21

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