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IN2015CH03754A - - Google Patents

Info

Publication number
IN2015CH03754A
IN2015CH03754A IN3754CH2015A IN2015CH03754A IN 2015CH03754 A IN2015CH03754 A IN 2015CH03754A IN 3754CH2015 A IN3754CH2015 A IN 3754CH2015A IN 2015CH03754 A IN2015CH03754 A IN 2015CH03754A
Authority
IN
India
Prior art keywords
emergency lighting
main power
lighting system
state
power switch
Prior art date
Application number
Inventor
Chittakattu Ninan Thomas
Kumar Vijay
Original Assignee
Wipro Ltd
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 Wipro Ltd filed Critical Wipro Ltd
Priority to IN3754CH2015 priority Critical patent/IN2015CH03754A/en
Publication of IN2015CH03754A publication Critical patent/IN2015CH03754A/en
Priority to US14/851,014 priority patent/US9468075B1/en

Links

Classifications

    • 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
    • H05B47/20—Responsive to malfunctions or to light source life; for protection
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
    • H02J9/04—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
    • H02J9/06—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems
    • H02J9/061—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems for DC powered loads
    • 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
    • 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
    • H05B47/17—Operational modes, e.g. switching from manual to automatic mode or prohibiting specific operations
    • H05B47/172—Emergency operational modes
    • 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
    • H05B47/175—Controlling the light source by remote control
    • H05B47/185—Controlling the light source by remote control via power line carrier transmission
    • 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

  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Circuit Arrangement For Electric Light Sources In General (AREA)
  • Stand-By Power Supply Arrangements (AREA)

Abstract

A method to provide emergency lighting, the method comprising: detecting absence of current in the emergency lighting system; determining state of a main power switch connecting the emergency lighting system with a main power supply; and switching to backup power to provide emergency lighting based on the determination of the state of the main power switch. A system, the system comprising: a signal generator to generate a control signal; a switching unit to connect and disconnect a light emitting element; a control signal senor to detect the control signal in the emergency lighting system.; and a switching controller linked to the switching unit to: detect absence of current in the emergency lighting system; determine state of a main power switch not tied to the emergency lighting system; and switch to backup-up power to provide the emergency lighting based on the determination of the state of the main power switch.
IN3754CH2015 2015-07-21 2015-07-21 IN2015CH03754A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
IN3754CH2015 IN2015CH03754A (en) 2015-07-21 2015-07-21
US14/851,014 US9468075B1 (en) 2015-07-21 2015-09-11 Emergency lighting system with smart switching

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IN3754CH2015 IN2015CH03754A (en) 2015-07-21 2015-07-21

Publications (1)

Publication Number Publication Date
IN2015CH03754A true IN2015CH03754A (en) 2015-07-31

Family

ID=54398005

Family Applications (1)

Application Number Title Priority Date Filing Date
IN3754CH2015 IN2015CH03754A (en) 2015-07-21 2015-07-21

Country Status (2)

Country Link
US (1) US9468075B1 (en)
IN (1) IN2015CH03754A (en)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1988001467A1 (en) 1986-08-15 1988-02-25 Mound Holdings Limited Fluorescent lamp operation
US8770771B2 (en) * 2007-03-15 2014-07-08 Hans Christer Preta Smart light with power backup
EP2148554A1 (en) 2008-07-22 2010-01-27 David Richard Verndondier Switchable induction light
EP2329478A4 (en) 2008-08-15 2014-04-23 Ge Lighting Solutions Llc Traffic led lamp with internal circuit backup system
CN102523654B (en) * 2011-12-20 2014-04-02 凹凸电子（武汉）有限公司 Drive circuit of LED light source, control circuit thereof and control method thereof

Also Published As

Publication number Publication date
US9468075B1 (en) 2016-10-11

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