WO2010136141A3 - Thermostat with at least one sensor of ambient light - Google Patents

Thermostat with at least one sensor of ambient light Download PDF

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Publication number
WO2010136141A3
WO2010136141A3 PCT/EP2010/003047 EP2010003047W WO2010136141A3 WO 2010136141 A3 WO2010136141 A3 WO 2010136141A3 EP 2010003047 W EP2010003047 W EP 2010003047W WO 2010136141 A3 WO2010136141 A3 WO 2010136141A3
Authority
WO
WIPO (PCT)
Prior art keywords
ambient light
variation
sensor
light
time
Prior art date
Application number
PCT/EP2010/003047
Other languages
French (fr)
Other versions
WO2010136141A4 (en
WO2010136141A2 (en
Inventor
Pierdavide Pezzutto
Adriano Montagner
Original Assignee
Esseci Srl
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 Esseci Srl filed Critical Esseci Srl
Publication of WO2010136141A2 publication Critical patent/WO2010136141A2/en
Publication of WO2010136141A3 publication Critical patent/WO2010136141A3/en
Publication of WO2010136141A4 publication Critical patent/WO2010136141A4/en

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Classifications

    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D23/00—Control of temperature
    • G05D23/19—Control of temperature characterised by the use of electric means
    • G05D23/1902—Control of temperature characterised by the use of electric means characterised by the use of a variable reference value

Abstract

The present invention relates to occupancy controllers based on variation in ambient light. Every time a body passes between the source of light and the light sensor, it determines a variation in luminosity which is used to adjust the amount of energy necessary to heat/cool the room itself. The time sequence of the variations and their duration allow the adjustment of the comfort temperature in a way which is natural and very similar to the human habits. During night time there will be a reduced and energy-conserving comfort temperature; during daytime such value will depend on the duration and intensity of the activity undertaken in the room.
PCT/EP2010/003047 2009-05-27 2010-05-19 Thermostat with at least one sensor of ambient light WO2010136141A2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ITTV2009A000111A IT1395669B1 (en) 2009-05-27 2009-05-27 THERMOSTAT WITH AT LEAST AN AMBIENT LIGHT SENSOR.
ITTV2009A000111 2009-05-27

Publications (3)

Publication Number Publication Date
WO2010136141A2 WO2010136141A2 (en) 2010-12-02
WO2010136141A3 true WO2010136141A3 (en) 2011-01-20
WO2010136141A4 WO2010136141A4 (en) 2011-03-03

Family

ID=41582021

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2010/003047 WO2010136141A2 (en) 2009-05-27 2010-05-19 Thermostat with at least one sensor of ambient light

Country Status (2)

Country Link
IT (1) IT1395669B1 (en)
WO (1) WO2010136141A2 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10585004B1 (en) * 2015-07-15 2020-03-10 Signify North America Corporation Systems and methods for determining ambient temperature using lighting based sensors

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4502290A (en) * 1982-12-06 1985-03-05 Hitachi, Ltd. Air conditioner
US5088645A (en) * 1991-06-24 1992-02-18 Ian Bell Self-programmable temperature control system for a heating and cooling system
US20020134849A1 (en) * 2001-03-02 2002-09-26 Disser James R. Method and apparatus for reducing energy consumption in heating, ventilating, and air conditioning of unoccupied building zones

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1005175A (en) 1961-05-31 1965-09-22 Wilkinson Sword Ltd Improvements in or relating to temperature controllers
US4407447A (en) 1981-12-07 1983-10-04 Sta-Tech International, Inc. Energy control system
US6066843A (en) * 1998-04-06 2000-05-23 Lightstat, Inc. Light discriminator for a thermostat

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4502290A (en) * 1982-12-06 1985-03-05 Hitachi, Ltd. Air conditioner
US5088645A (en) * 1991-06-24 1992-02-18 Ian Bell Self-programmable temperature control system for a heating and cooling system
US20020134849A1 (en) * 2001-03-02 2002-09-26 Disser James R. Method and apparatus for reducing energy consumption in heating, ventilating, and air conditioning of unoccupied building zones

Also Published As

Publication number Publication date
WO2010136141A4 (en) 2011-03-03
ITTV20090111A1 (en) 2010-11-28
IT1395669B1 (en) 2012-10-16
WO2010136141A2 (en) 2010-12-02

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