| 摘要 |
PROBLEM TO BE SOLVED: To perform simple data setting of compressor driving element on time while securing smooth compressor start, by arranging a compressor mounted with a DC sensorless motor in an air conditioner, and changing the on time of the compressor driving element, according to the power frequency, with an electric controller. SOLUTION: A DC sensorless motor is used for a compressor 1, and a power transistor, an IGBT, etc., are used for a compressor driving element, and a drive circuit for turning on a compressor driving element 2 is constituted of the microcomputer transistor, the transistor, and the photocoupler of an electric controller 3. In the case of driving a compressor, the compressor drive outputs a compressor drive signal (a) being a signal that shows which one of the compressor driving elements is to be turned on and a compressor driving signal (b) for adjusting how long to turn on the element from the microcomputer of the electronic controller 3. Here, the on time of the compressor driving signal (b) outputted from the microcomputer of the electronic controller 3 is changed, according to the power frequency. |
