| 摘要 |
A domestic tumble dryer is provided with a series of temperature sensors exposed to exhaust air leaving the drum of the dryer, heated air entering the drum, ambient air and air entering the heater. These sensors input to a microprocessor (1) via a suitable interface (2). Also inputting to the microprocessor via the interface (2) is a user operable selector (4, 5, 6) that indicates to the microprocessor the material of articles to be dried in the dryer. The microprocessor is programmed to monitor the sensor inputs during at least the initial part of a drying cycle and to derive exhaust air temperatures that are compared with those of drying cycles stored in the microprocessor. As a result of the comparison the microprocessor deduces the time required to effect drying to a degree of dryness required by a user and to terminate the drying cycle. An indication, corrected from time to time whilst the microprocessor is monitoring exhaust air temperature, of the cycle duration time is also displayed. |
