GB201515277D0 - Controlled mains changeover in an emergency LED converter - Google Patents

Controlled mains changeover in an emergency LED converter

Info

Publication number
GB201515277D0
GB201515277D0 GBGB1515277.0A GB201515277A GB201515277D0 GB 201515277 D0 GB201515277 D0 GB 201515277D0 GB 201515277 A GB201515277 A GB 201515277A GB 201515277 D0 GB201515277 D0 GB 201515277D0
Authority
GB
United Kingdom
Prior art keywords
changeover
led converter
emergency led
controlled mains
mains
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.)
Granted
Application number
GBGB1515277.0A
Other versions
GB2541470A (en
GB2541470B (en
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Tridonic GmbH and Co KG
Original Assignee
Tridonic GmbH and Co KG
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 Tridonic GmbH and Co KG filed Critical Tridonic GmbH and Co KG
Priority to GB1515277.0A priority Critical patent/GB2541470B/en
Publication of GB201515277D0 publication Critical patent/GB201515277D0/en
Publication of GB2541470A publication Critical patent/GB2541470A/en
Application granted granted Critical
Publication of GB2541470B publication Critical patent/GB2541470B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • H05B47/10—Controlling the light source
    • 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
    • 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
    • H02J9/02—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which an auxiliary distribution system and its associated lamps are brought into service
    • 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
    • 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
    • H02J9/068—Electronic means for switching from one power supply to another power supply, e.g. to avoid parallel connection
    • 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
    • H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
    • H05B45/30—Driver circuits
    • H05B45/37—Converter circuits
    • H05B45/3725—Switched mode power supply [SMPS]
    • H05B45/385—Switched mode power supply [SMPS] using flyback topology

Landscapes

  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Stand-By Power Supply Arrangements (AREA)
  • Circuit Arrangement For Electric Light Sources In General (AREA)
GB1515277.0A 2015-08-19 2015-08-19 Controlled mains changeover in an emergency LED converter Active GB2541470B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1515277.0A GB2541470B (en) 2015-08-19 2015-08-19 Controlled mains changeover in an emergency LED converter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1515277.0A GB2541470B (en) 2015-08-19 2015-08-19 Controlled mains changeover in an emergency LED converter

Publications (3)

Publication Number Publication Date
GB201515277D0 true GB201515277D0 (en) 2015-10-14
GB2541470A GB2541470A (en) 2017-02-22
GB2541470B GB2541470B (en) 2021-08-25

Family

ID=54326457

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1515277.0A Active GB2541470B (en) 2015-08-19 2015-08-19 Controlled mains changeover in an emergency LED converter

Country Status (1)

Country Link
GB (1) GB2541470B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202017104950U1 (en) 2017-08-17 2018-11-20 Tridonic Gmbh & Co Kg Energy efficient emergency light LED driver device and lighting device
US11849515B2 (en) * 2020-03-13 2023-12-19 Usai, Llc Lighting system with redundant power supplies

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6049178A (en) * 1999-01-19 2000-04-11 Sheu; Tyng-Jeng Circuit for controlling operation of an emergency exit lamp
US6339296B1 (en) * 1999-05-11 2002-01-15 Jerzy M. Goral Low profile emergency ballast
US7880391B2 (en) * 2008-06-30 2011-02-01 Osram Sylvania, Inc. False failure prevention circuit in emergency ballast

Also Published As

Publication number Publication date
GB2541470A (en) 2017-02-22
GB2541470B (en) 2021-08-25

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