Explosion-Proof Lamp
AssigneeEaton Protection Systems IP GmbH & Co. KG
InventorsJens Burmeister, Bernd Schwarz, Gerhard Schwarz, Michael Ketterer
Life of this patent
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Abstract
An explosion-proof luminaire comprises a plurality of light-emitting diodes. These are assigned to a ballast for electrical power supply. A contactless power transmission device is formed between at least a group of LEDs and the ballast. This yields an explosion-proof luminaire which is simplified and improved in terms of structure and light output while permitting many possible arrangements of the LEDs in the corresponding luminaire at the same time.
Claims15
Explosion-proof luminaire (1) comprising a plurality of light-emitting diodes (LEDs) (2) which are assigned to a ballast (3) for electrical power supply, wherein a contactless power transmission device (16) is formed between at least a group of LEDs (2) and the ballast (3).
Explosion-proof luminaire (1) according to any one of the preceding claims, characterized in that the individual housing (5) is configured as a separate unit and can detachably be mounted on an individual housing carrier (8).
Explosion-proof luminaire (1) according to any one of the preceding claims, characterized in that the individual housings (5) can be arranged to be variable in number and arrangement on the individual housing carrier (8).
Explosion-proof luminaire (1) according to any one of the preceding claims, characterized in that lower part (6) and cover (7) of the individual housing (5) are produced to be glued, welded, particularly friction-welded, to one another or as one part.
Explosion-proof luminaire (1) according to any one of the preceding claims, characterized in that each individual housing (5) can be separately supplied with power.
Explosion-proof luminaire (1) according to any one of the preceding claims, characterized in that the contactless power transmission is an inductive power transmission with transmitter (9) in or on the individual housing carrier (8) and receiver (10) in each individual housing (5).
Explosion-proof luminaire (1) according to any one of the preceding claims, characterized in that the receiver (10) comprises a secondary coil with particularly a ferrite core.
Explosion-proof luminaire (1) according to any one of the preceding claims, characterized in that the transmitter (9) comprises a number of primary coils each with particularly a ferrite core.
Explosion-proof luminaire (1) according to any one of the preceding claims, characterized in that the primary coils with particularly ferrite cores of the transmitter (9) are arranged on a common transmitter carrier (13), particularly a transmitter board.
Explosion-proof luminaire (1) according to any one of the preceding claims, characterized in that the individual housing carrier (8) comprises at least one connecting means (14) for the electrical connection to the ballast (3) and is configured to be of protection type Ex-i or Ex-e.
Explosion-proof luminaire (1) according to any one of the preceding claims, characterized in that the individual housing carrier (8) is configured at least as a part of a luminaire housing (15).
Explosion-proof luminaire (1) according to any one of the preceding claims, characterized in that two, three or more individual housing carriers (8) are connected to a ballast (3).
Explosion-proof luminaire (1) according to any one of the preceding claims, characterized in that the individual housings (5) can be clipped onto the individual housing carrier (8).
Dependencies are inferred from the claim text.