Discharge lamp having cooling means
A technology for a cooling device and a lamp assembly, applied to a cooling device and a lamp assembly of a high pressure gas discharge lamp or UHP lamp), has a reflector field, and can solve problems such as affecting the optical characteristics of the lamp, problems with the cooling device, insufficient cooling, etc.
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[0022] figure 1 is a schematic view of a first embodiment of the invention in the form of a reflector 1 in combination with a discharge lamp 2 and cooling means. The discharge lamp is preferably a high-pressure gas discharge lamp (HID or UHP lamp) with a discharge vessel 21 and a seal 22 between metal and quartz. The discharge lamp 2 is mounted in the diameter 11 of the reflector in the region of one of its seals 22 between metal and quartz.
[0023] The discharge vessel 21 seals the discharge chamber containing the discharge gas. When the discharge lamp is in operation, an arc discharge is excited between the ends of opposing electrodes which extend into the discharge chamber in a known manner.
[0024] The discharge lamp 2 is positioned such that the arc discharge (lighting arc) is approximately at the focal point of the reflector 1 and such that it has a beam path (light distribution polar diagram) corresponding to the shape of the reflector.
[0025] Such as figure 1 A...
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