| Summary: | 碩士 === 遠東技術學院 === 機械研究所 === 93 === The present paper research the main goal is hoped the affiliation by the single chip microcomputer in the electric circuit, the line occupies the space to be small, the development time reduces, a cost also lower superiority, matches the peripheral feeling to measure the electric circuit the design way, improves originally systematically in the environment comfortable insufficiency. Demonstrated after the findings that, the temperature switch sluggish performance is extremely big. Uses the automatic regression 40℃ (OFF) the temperature switch, the ambient temperature needs only then to be able to close to 42℃ switches, but the switch regression to the ON condition needs to 34℃, its temperature error to reach as high as 8℃. As for this research design radiator valve, the temperature measurement part uses temperature sensory element AD590, in environmental condition same under, the temperature error may achieve 1℃, is comparatively originally good regarding the environment comfortable system.
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