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Solar collector base plate for e.g. flat plate collector, has static absorber overheat protection device for preventing overheating of absorber, where protection device is formed as selective reflective coating at absorber cover plate
Solar collector base plate for e.g. flat plate collector, has static absorber overheat protection device for preventing overheating of absorber, where protection device is formed as selective reflective coating at absorber cover plate
The base plate (4) has an absorber retainer that is limited by an absorber cover plate (1), and a static absorber overheat protection device (2) for preventing overheating of an absorber (5). The protection device is formed as a selective reflective coating at the cover plate. The coating is formed at a side of the cover plate, where the side is turned towards the absorber. The coating exhibits a micro-structured metal grid, which causes a solar collector emissivity that change depending on temperature of the absorber.
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