EP 0196249 A1 19861001 - Lighting system, especially for a water-tight airport coffer.
Title (en)
Lighting system, especially for a water-tight airport coffer.
Title (de)
Beleuchtungseinrichtung, insbesondere für wasserdichten Flugplatzkasten.
Title (fr)
Dispositif d'éclairage, notamment pour caisson étanche d'aéroport.
Publication
Application
Priority
FR 8503313 A 19850306
Abstract (en)
1. A lighting system including a current transformer whose secondary winding feeds at least one lamp and whose primary winding is intended to be connected in series with the primary windings of the current transformers of other, similar lighting systems, thereby constituting a portion of the secondary circuit of a medium tension/low tension transformer whose primary winding is in turn connected in a regulated current loop, the lighting system being characterized in that : the lamp is a fluorescent lamp (L1, L2) whose triging/regulation components are likewise powered by the secondary winding (S) of the current transformer (TC) ; and in that the secondary winding (S) of each current transformer is provided in parallel with clipping members (51, 52) suitable, when the associated lamp fails, for consuming a substantial fraction of the nominal energy required by the lamp, thereby conserving the flow of nominal current to the primary windings of the other current transformers.
Abstract (fr)
Un dispositif d'éclairage (D) comprend un transformateur de courant (TC) dont le secondaire alimente au moins une lampe fluorescente avec ses organes d'amorçage/régulation. En parallèle sur le secondaire sont prévus des organes d'écrêtage et d'àccord (50, 51, 52) propres à consommer, lorsque la lampe associée est défaillante, une fraction substantielle de l'énergie nominale demandée par celle-ci. De préférence, on prévoit deux lampes dans chaque dispositif, une détection (30) du fait que l'une (L1) de ces lampes ne s'amorce pas permettant de faire passer l'alimentation (I) sur la second lampe (L2).
IPC 1-7
IPC 8 full level
H05B 41/46 (2006.01)
CPC (source: EP)
H05B 41/46 (2013.01)
Citation (search report)
- [A] DE 3005887 A1 19810903 - STICHT EDGAR, et al
- [A] DE 3121311 A1 19830127 - LICENTIA GMBH [DE]
- [A] FR 2430707 A1 19800201 - SIEMENS AG [DE]
Designated contracting state (EPC)
BE DE GB
DOCDB simple family (publication)
EP 0196249 A1 19861001; EP 0196249 B1 19900117; DE 3668405 D1 19900222; FR 2578708 A1 19860912; FR 2578708 B1 19870327
DOCDB simple family (application)
EP 86400463 A 19860305; DE 3668405 T 19860305; FR 8503313 A 19850306