WO2007105946A3 - Sensors for controlling lightinng - Google Patents

Sensors for controlling lightinng Download PDF

Info

Publication number
WO2007105946A3
WO2007105946A3 PCT/NL2007/050095 NL2007050095W WO2007105946A3 WO 2007105946 A3 WO2007105946 A3 WO 2007105946A3 NL 2007050095 W NL2007050095 W NL 2007050095W WO 2007105946 A3 WO2007105946 A3 WO 2007105946A3
Authority
WO
WIPO (PCT)
Prior art keywords
sensors
lighting
controlling
lightinng
light
Prior art date
Application number
PCT/NL2007/050095
Other languages
French (fr)
Other versions
WO2007105946A2 (en
Inventor
Pieter Abraham Alexan Klapwijk
Johannes Karel Zelisse
Original Assignee
Green Q Group B V
Hortilux Schreder Bv
Priva B V
Pieter Abraham Alexan Klapwijk
Johannes Karel Zelisse
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 Green Q Group B V, Hortilux Schreder Bv, Priva B V, Pieter Abraham Alexan Klapwijk, Johannes Karel Zelisse filed Critical Green Q Group B V
Publication of WO2007105946A2 publication Critical patent/WO2007105946A2/en
Publication of WO2007105946A3 publication Critical patent/WO2007105946A3/en

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
    • G01J1/10—Photometry, e.g. photographic exposure meter by comparison with reference light or electric value provisionally void
    • G01J1/20—Photometry, e.g. photographic exposure meter by comparison with reference light or electric value provisionally void intensity of the measured or reference value being varied to equalise their effects at the detectors, e.g. by varying incidence angle
    • G01J1/28—Photometry, e.g. photographic exposure meter by comparison with reference light or electric value provisionally void intensity of the measured or reference value being varied to equalise their effects at the detectors, e.g. by varying incidence angle using variation of intensity or distance of source
    • G01J1/30—Photometry, e.g. photographic exposure meter by comparison with reference light or electric value provisionally void intensity of the measured or reference value being varied to equalise their effects at the detectors, e.g. by varying incidence angle using variation of intensity or distance of source using electric radiation detectors
    • G01J1/32—Photometry, e.g. photographic exposure meter by comparison with reference light or electric value provisionally void intensity of the measured or reference value being varied to equalise their effects at the detectors, e.g. by varying incidence angle using variation of intensity or distance of source using electric radiation detectors adapted for automatic variation of the measured or reference value
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
    • A01G7/00—Botany in general
    • A01G7/04—Electric or magnetic or acoustic treatment of plants for promoting growth
    • A01G7/045—Electric or magnetic or acoustic treatment of plants for promoting growth with electric lighting
    • 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
    • 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
    • H05B41/00—Circuit arrangements or apparatus for igniting or operating discharge lamps
    • H05B41/14—Circuit arrangements
    • H05B41/36—Controlling
    • H05B41/38—Controlling the intensity of light
    • H05B41/39—Controlling the intensity of light continuously
    • H05B41/392—Controlling the intensity of light continuously using semiconductor devices, e.g. thyristor
    • H05B41/3921—Controlling the intensity of light continuously using semiconductor devices, e.g. thyristor with possibility of light intensity variations
    • H05B41/3922—Controlling the intensity of light continuously using semiconductor devices, e.g. thyristor with possibility of light intensity variations and measurement of the incident light

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Botany (AREA)
  • Ecology (AREA)
  • Forests & Forestry (AREA)
  • Environmental Sciences (AREA)
  • Cultivation Of Plants (AREA)
  • Greenhouses (AREA)

Abstract

Crops are cultivated in a greenhouse or other growing area, and artificial lighting with growing light is preferably used. Sensors are present for controlling said lighting. The sensors are fitted between the plants on a support which is in the shape of the plant By providing a large number of sensors distributed three-dimensionally, it is possible to determine the incidence of light upon leaves and other parts of the crop and, depending on this, to control the lighting. The signal coming from the sensors, after possibly being processed, is transmitted to a control device for the lighting.
PCT/NL2007/050095 2006-03-10 2007-03-09 Sensors for controlling lightinng WO2007105946A2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL1031344A NL1031344C2 (en) 2006-03-10 2006-03-10 Sensors for controlling lighting.
NL1031344 2006-03-10

Publications (2)

Publication Number Publication Date
WO2007105946A2 WO2007105946A2 (en) 2007-09-20
WO2007105946A3 true WO2007105946A3 (en) 2008-04-03

Family

ID=37110152

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/NL2007/050095 WO2007105946A2 (en) 2006-03-10 2007-03-09 Sensors for controlling lightinng

Country Status (2)

Country Link
NL (1) NL1031344C2 (en)
WO (1) WO2007105946A2 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2044835A1 (en) 2007-10-03 2009-04-08 Nederlandse Organisatie voor toegepast- natuurwetenschappelijk onderzoek TNO Greenhouse system
CN102680084B (en) * 2012-04-25 2013-11-20 北京农业信息技术研究中心 Light distribution measuring device and method for crop canopy
CN103557934B (en) * 2013-10-25 2015-06-17 北京农业信息技术研究中心 Device for measuring light distribution in crop canopy
WO2016054268A1 (en) * 2014-09-30 2016-04-07 MJAR Holdings, LLC Methods of growing cannabaceae plants using artificial lighting
US20200253129A1 (en) * 2017-07-31 2020-08-13 Signify Holding B.V. Wake up light optimization for plant growth
DE102021202877B3 (en) 2021-03-24 2022-08-04 Würth Elektronik eiSos Gmbh & Co. KG Lamp, device and method for growing plants

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH078120A (en) * 1993-06-21 1995-01-13 Chineharu Noguchi Automatically opening and closing sheet blind apparatus and small-sized greenhouse
WO1996002817A1 (en) * 1994-07-15 1996-02-01 Patchen Inc. Apparatus and method for determining a distance to an object in a field
EP1374667A2 (en) * 2002-06-18 2004-01-02 Smeg S.p.A. Small-sized greenhouse with controlled internal environment

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3991939A (en) 1975-07-16 1976-11-16 William Richard Maclay System for spraying and cooling vegetation

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH078120A (en) * 1993-06-21 1995-01-13 Chineharu Noguchi Automatically opening and closing sheet blind apparatus and small-sized greenhouse
WO1996002817A1 (en) * 1994-07-15 1996-02-01 Patchen Inc. Apparatus and method for determining a distance to an object in a field
EP1374667A2 (en) * 2002-06-18 2004-01-02 Smeg S.p.A. Small-sized greenhouse with controlled internal environment

Also Published As

Publication number Publication date
NL1031344C2 (en) 2007-09-11
WO2007105946A2 (en) 2007-09-20

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