| 摘要 |
PURPOSE: An automatic ventilator is provided to automatically ventilate the indoor air and prevent the generation of dewing and mold by arranging two switching devices at a respective other height. CONSTITUTION: An automatic ventilator comprises a first switching device(10) and a second switching device(20). The second switching device is comparatively higher than the first switching device. The first switching apparatus comprises a first switching sensor(31), a first temperature sensor(32) and a first humidity sensor(33). The first temperature sensor and the first humidity sensor sense the temperature and humidity of the outside air. The second switching device comprises a second switching sensor(35), a second temperature sensor(36) and a second humidity sensor(37). The second temperature sensor and the second humidity sensor sense the temperature and humidity of the indoor air. The first and second switching devices offer the data to a controller(40). The controller compares the data stored in the memory and the input data and controls the switching of the first and second switching devices.
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