DE19909629C2 - Device for determining the color temperature, the IR component and the brightness of daylight - Google Patents

Device for determining the color temperature, the IR component and the brightness of daylight

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Publication number
DE19909629C2
DE19909629C2 DE19909629A DE19909629A DE19909629C2 DE 19909629 C2 DE19909629 C2 DE 19909629C2 DE 19909629 A DE19909629 A DE 19909629A DE 19909629 A DE19909629 A DE 19909629A DE 19909629 C2 DE19909629 C2 DE 19909629C2
Authority
DE
Germany
Prior art keywords
brightness
color temperature
daylight
component
determining
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
Application number
DE19909629A
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German (de)
Other versions
DE19909629A1 (en
Inventor
Michael Bamberger
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Individual
Original Assignee
Individual
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Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to DE19909629A priority Critical patent/DE19909629C2/en
Publication of DE19909629A1 publication Critical patent/DE19909629A1/en
Application granted granted Critical
Publication of DE19909629C2 publication Critical patent/DE19909629C2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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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
    • 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
    • G01J5/00—Radiation pyrometry, e.g. infrared or optical thermometry
    • G01J5/60—Radiation pyrometry, e.g. infrared or optical thermometry using determination of colour temperature
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
    • H05B47/10—Controlling the light source
    • H05B47/105—Controlling the light source in response to determined parameters
    • H05B47/11—Controlling the light source in response to determined parameters by determining the brightness or colour temperature of ambient light
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K2360/00—Indexing scheme associated with groups B60K35/00 or B60K37/00 relating to details of instruments or dashboards
    • B60K2360/20—Optical features of instruments
    • B60K2360/33—Illumination features
    • B60K2360/349—Adjustment of brightness
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
    • Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)
  • Radiation Pyrometers (AREA)
  • Spectrometry And Color Measurement (AREA)

Description

Die vorliegende Erfindung betrifft eine neuartige Vorrichtung, mit der die Helligkeit, der IR-Anteil und die Farbtemperatur von Tageslicht bestimmt werden kann.The present invention relates to a novel device, with which the brightness, the IR component and the color temperature of Daylight can be determined.

Vorrichtungen, mit denen die Farbtemperatur und die Beleuchtungsstärke von Lichtquellen mit kontinuierlichem Spektrum gemessen werden kann, sind aus DE-AS 10 13 091 bekannt.Devices with which the color temperature and illuminance of light sources can be measured with a continuous spectrum are known from DE-AS 10 13 091.

Tageslichtmeßvorrichtungen sind prinzipiell bekannt und werden beispielsweise zur Regelung von Beschattungsanlagen an Gebäuden oder zur Steuerung einer Tageslicht-Ergänzungsbeleuchtung in Räumen verwendet. Eine dem erstgenannten Zwecke dienende Einrichtung zur Steuerung von Verdunklungs­ vorrichtungen wird im DE 38 13 751 C2 beschrieben. Die bekannten Meßvorrichtungen umfassen üblicherweise zwei Arten von Sensoren, nämlich infrarotempfind­ liche Strahlungssensoren und Lichtsensoren zur Bestimmung der Helligkeit des einfallenden Lichts. Durch die Verwendung zweier verschiedener Sensorarten weisen die vorbekannten Vorrichtungen eine hohe strukturelle Komplexität und damit auch eine hohe Störanfälligkeit auf.Daylight measuring devices are known in principle and will be for example to regulate shading systems on buildings or to control additional daylight lighting in Used rooms. A device for controlling darkening serving the former purpose devices is described in DE 38 13 751 C2. The known measuring devices include usually two types of sensors, namely infrared sensitive radiation sensors and light sensors for determining the Brightness of the incident light. By using two  The known devices have different types of sensors a high level of structural complexity and thus also a high level Susceptibility to failure.

Ein zur Steuerung von Vorrichtungen wie beispielsweise infrarotgesteuerte Alarmanlagen und Zentralverriegelungen verwendeter Lichtsensor wird in DE 43 05 446 A1 offenbart.One for controlling devices such as infrared controlled alarm systems and Central locking used light sensor is disclosed in DE 43 05 446 A1.

Im DE 43 02 442 A1 wird ein Sensor beschrieben, der die Bestrahlungsstärke und den Einfalls­ winkel der Sonnenstrahlung erfasst und als Teil eines Navigationssystems verwendet werden kann.DE 43 02 442 A1 describes a sensor that measures the irradiance and the incidence angles of solar radiation are recorded and used as part of a navigation system can.

Aufgabe der vorliegenden Erfindung ist es, eine neuartige, vereinfachte Vorrichtung zur Bestimmung der Farbtemperatur, der Helligkeit und des IR-Anteils von Tageslicht anzugeben.The object of the present invention is to provide a novel, simplified device for determining the color temperature, the Specify brightness and the IR component of daylight.

Die Lösung dieser Aufgabe wird erfindungsgemäß durch die Merkmale des Anspruchs 1 ermöglicht.This object is achieved by the Features of claim 1 enables.

Die abhängigen Ansprüche definieren vorteilhafte Ausgestaltungen der Erfindung.The dependent claims define advantageous configurations the invention.

Der vorliegenden Erfindung liegt die Erkenntnis zugrunde, daß die Farbtemperatur von Tageslicht sowie dessen IR-Anteil mit für die Ansteuerung von Beschattungsanlagen, Beleuchtungsanlagen zur Simulation von Tageslicht in Räumen und dergleichen hinreichen­ der Genauigkeit auch über die Helligkeit des einfallenden Lichtes und den Sonnenwinkel (Winkel über dem Horizont) bestimmt werden kann, wobei der Sonnenwinkel in Abhängigkeit von der Zeit einer ersten in einer Recheneinheit gespeicherten Datenbank entnommen, die Helligkeit mittels eines Sensors gemessen und der dem Sonnenwinkel und der gemessenen Helligkeit entsprechende Farbtemperaturwert einer zweiten in einer Recheneinheit gespeicherten Datenbank entnommen wird. Aus der ermittelten, Farbtemperatur und der Helligkeit läßt sich die Strahlungs­ energie und damit der IR-Anteil des Lichts berechnen. Das der Erfindung zugrunde liegende Meßverfahren ist schematisch in Fig. 1 dargestellt.The present invention is based on the knowledge that the color temperature of daylight and its IR component are sufficient for the control of shading systems, lighting systems for simulating daylight in rooms and the like, including the accuracy of the brightness of the incident light and the angle of the sun (angle above the horizon) can be determined, the sun angle depending on the time being taken from a first database stored in a computing unit, the brightness measured by means of a sensor, and the color temperature value corresponding to the sun angle and the measured brightness being taken from a second database stored in a computing unit. From the determined color temperature and brightness, the radiation energy and thus the IR portion of the light can be calculated. The measuring method on which the invention is based is shown schematically in FIG. 1.

Die erfindungsgemäße Vorrichtung zur Bestimmung der Farbtempera­ tur, der Helligkeit und des IR-Anteils von Tageslicht umfaßt mindestens einen Helligkeitssensor, eine Vorrichtung zur Messung der Zeit sowie eine Recheneinheit, die die Farbtemperatur und den IR-Anteil in Abhängigkeit von der gemessenen Helligkeit und der Zeit berechnet und den berechneten Farbtemperaturwert, den IR-Wert sowie den gemessenen Helligkeitswert ausgibt.The device according to the invention for determining the color temperature structure that includes brightness and the IR component of daylight at least one brightness sensor, a device for measurement  of time as well as a computing unit that measures the color temperature and the IR component depending on the measured brightness and the time and the calculated color temperature value, the Outputs the IR value and the measured brightness value.

Die Recheneinheit greift auf Datenbanken zurück, in denen einer­ seits der Sonnenwinkel als Funktion der Zeit und andererseits die Farbtempereratur als Funktion der Helligkeit und der Zeit gespeichert sind. Dabei sind die in den Datenbanken gespeicher­ ten Werte zum Teil theoretische und zum anderen Teil empirische Werte.The computing unit uses databases in which one on the one hand the angle of the sun as a function of time and on the other hand the color temperature as a function of brightness and time are saved. The are stored in the databases values are partly theoretical and partly empirical Values.

Für die Messung der Helligkeit können handelsübliche Sensoren verwendet werden, beispielsweise solche mit analoger Meßwert­ ausgabe. Der Anschluß der Helligkeitssensoren an die Rechner­ einheit der Vorrichtung erfolgt vorzugsweise über einen Analogeingang der Rechnereinheit. Für die Hellig­ keitsmessung können auch mehrere Helligkeitssensoren verwendet werden.Standard sensors can be used to measure the brightness are used, for example those with an analog measured value output. The connection of the brightness sensors to the computers Unit of the device is preferably carried out via an analog input of the computer unit. For the hellig speed measurement, multiple brightness sensors can also be used become.

Gemäß einer besonders bevorzugten Ausführungsform der vorliegenden Erfindung verfügt die Rechnereinheit über eine Systemuhr, so daß auf eine separate Vorrichtung zur Messung der Zeit verzichtet werden kann.According to a particularly preferred embodiment of the In the present invention, the computer unit has a System clock, so that on a separate device for measuring the Time can be dispensed with.

Die mittels der Vorrichtung gemäß der Erfindung bestimmte Helligkeit und Farbtemperatur des einfallenden Lichtes werden über analoge oder digitale Ausgänge ausgegeben. Die ausgegebenen Werte können direkt zur Steuerung nachgeschalteter Vorrich­ tungen, wie beispielsweise Beschattungsanlagen an Gebäuden oder Beleuchtungsanlagen zur Simulation von Tageslicht in Räumen oder für das Aufrufen von Lichtszenen in Gebäuden verwendet werden.The determined by means of the device according to the invention Brightness and color temperature of the incident light output via analog or digital outputs. The issued Values can be used directly to control the downstream device tion, such as shading systems on buildings or Lighting systems for simulating daylight in rooms or can be used to call up light scenes in buildings.

Claims (3)

1. Vorrichtung zur Bestimmung der Helligkeit, des IR-Anteils und der Farbtemperatur von Tageslicht, dadurch gekennzeichnet, dass sie mindestens einen Helligkeitssensor, eine Vorrichtung zur Messung der Zeit sowie eine Recheneinheit umfasst, die die Farbtemperatur und den Wert des IR-Anteils auf der Basis der gemessenen Helligkeit und der Zeit berechnet.1. Device for determining the brightness, the IR component and the color temperature of daylight, characterized in that it comprises at least one brightness sensor, a device for measuring the time and an arithmetic unit, which the color temperature and the value of the IR component on the Based on the measured brightness and time. 2. Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, dass die Recheneinheit die Vorrichtung zur Messung der Zeit beinhaltet.2. Device according to claim 1, characterized in that the computing unit the device for measuring the time includes. 3. Vorrichtung nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass sie weiterhin analoge und/oder digitale Ausgänge zur Ausgabe der gemessenen Helligkeit und der berechneten Farbtemperatur umfasst.3. Device according to claim 1 or 2, characterized in that they continue to use analog and / or digital outputs Output of the measured brightness and the calculated color temperature includes.
DE19909629A 1998-03-09 1999-03-05 Device for determining the color temperature, the IR component and the brightness of daylight Expired - Fee Related DE19909629C2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE19909629A DE19909629C2 (en) 1998-03-09 1999-03-05 Device for determining the color temperature, the IR component and the brightness of daylight

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE29804139U DE29804139U1 (en) 1998-03-09 1998-03-09 Device for determining the color temperature, the IR component and the brightness of daylight
DE19909629A DE19909629C2 (en) 1998-03-09 1999-03-05 Device for determining the color temperature, the IR component and the brightness of daylight

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DE19909629A1 DE19909629A1 (en) 1999-09-30
DE19909629C2 true DE19909629C2 (en) 2002-05-02

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DE19909629A Expired - Fee Related DE19909629C2 (en) 1998-03-09 1999-03-05 Device for determining the color temperature, the IR component and the brightness of daylight

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1013091B (en) * 1956-01-17 1957-08-01 Bernhard Deltschaft Fa Measuring device for determining the color temperature of light sources with a continuous spectrum
DE3813751C2 (en) * 1988-04-23 1990-07-19 Wilhelm 4292 Rhede De Rademacher
DE4302442A1 (en) * 1993-01-29 1994-08-04 Fahrzeugklimaregelung Gmbh Sensor for recording the irradiance and the angle of incidence of solar radiation
DE4305446A1 (en) * 1993-02-23 1994-08-25 Fahrzeugklimaregelung Gmbh Circuit arrangement with a light sensor which controls a light-controlled, electronic control device in a motor vehicle

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3833198C2 (en) 1988-09-30 1998-01-15 Bron Elektronik Ag Color temperature measuring device
DE4330347C2 (en) 1993-09-08 1998-04-09 Leica Lasertechnik Use of a device for the selection and detection of at least two spectral ranges of a light beam
DE4434168B4 (en) 1994-09-24 2004-12-30 Byk-Gardner Gmbh Device and method for measuring and evaluating spectral radiation and in particular for measuring and evaluating color properties

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1013091B (en) * 1956-01-17 1957-08-01 Bernhard Deltschaft Fa Measuring device for determining the color temperature of light sources with a continuous spectrum
DE3813751C2 (en) * 1988-04-23 1990-07-19 Wilhelm 4292 Rhede De Rademacher
DE4302442A1 (en) * 1993-01-29 1994-08-04 Fahrzeugklimaregelung Gmbh Sensor for recording the irradiance and the angle of incidence of solar radiation
DE4305446A1 (en) * 1993-02-23 1994-08-25 Fahrzeugklimaregelung Gmbh Circuit arrangement with a light sensor which controls a light-controlled, electronic control device in a motor vehicle

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Publication number Publication date
DE19909629A1 (en) 1999-09-30
AT3459U1 (en) 2000-03-27
DE29804139U1 (en) 1998-10-22

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D2 Grant after examination
8364 No opposition during term of opposition
R119 Application deemed withdrawn, or ip right lapsed, due to non-payment of renewal fee

Effective date: 20131001