Combined sensor/emergency light unit for a lightng system
AssigneeTridonic GmbH & Co KG
InventorDavid Schmucki
Life of this patent
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Abstract
The invention relates to an emergency light unit for a lighting system, in particular an emergency light unit designed according to the DALI standard, having the following features: The emergency light unit is connected to a bus (2) of the lighting system, to a rechargeable store (17) of electrical energy, and to emergency lighting means (16).
Claims15
Combined sensor/emergency light unit (18), comprising:
- at least one emergency light means (16),
- one emergency light (15), and
- one rechargeable storage device (17) for electrical energy,
- wherein the emergency light unit (15) is adapted to supply electrical energy to a low-voltage power supply connection, from DC bus voltage, for charging the storage device (17) with electrical energy.
Emergency light unit (15) for a lighting system, which is connected to a bus (2) of the lighting system, and to a rechargeable storage device (17) for electrical energy and to an emergency lighting means (16), wherein current from the bus (2) can be supplied for recharging to the storage device (17).
Combined sensor/emergency light unit (18) for an illumination system, comprising a joint housing (21) having arranged therein:
- an emergency light unit (15),
- a rechargeable storage device (17) for electrical energy,
- a sensor module (20), and
- an emergency light means (16),
- wherein the emergency light unit (15) and the sensor module (20) can be connected with a bus of the lighting system, and wherein the emergency light unit (15) is connected with the storage device (17) and with the emergency lighting means (16).
A method for operating an emergency light unit, comprising
- supplying the emergency light unit with voltage from a DC bus voltage for charging a rechargeable energy storage device.
A method for operating an emergency light unit, comprising
- using the emergency light unit to detect a failure of supplied DC bus voltage and in response,
- activating an emergency lighting means.
Dependencies are inferred from the claim text.