基于单片机的全自动洗衣机（Automatic washing machine based on single chip microcomputer）.doc

基于单片机的全自动洗衣机（Automatic washing machine based on single chip microcomputer） Full automatic washing machine is the whole process of washing (soaking - washing - rinse and dehydration) preset N procedures, choose one program of washing, turn on the tap and start the washing machine after the switch will automatically complete the whole process of washing, washing is completed by the buzzer sound. The automatic washing machine consists of a washing system and a control circuit. Its control circuit is divided into mechanical and computer type, and the computer control circuit is based on the single chip microcomputer as the core of the control circuit. Figure 1 gives a single-chip microcomputer composed of Z86C09 automatic washing machine control circuit. Laundry procedures for automatic washing machines There are 4 buttons on the washer panel, K1, K2, K5, and K6. K1 is used for water flow selection. It is divided into two categories: ordinary flow and gentle flow; K2 for laundry cycle selection, you can choose washing, rinsing and dehydration three processes; K5 is a pause switch; K6 is the laundry program selection key. The laundry process is divided into standard procedures and economic procedures. The standard washing procedure for washing machines is washing - dehydration - dehydration - rinsing - dehydration - rinsing - dehydration. Economical washing procedures are less rinsed and dehydrated. 1. polyester process After power on, the washing machine goes into suspension so that clothes can be put away. If the laundry cycle is not selected, the washing machine starts with the washing process. When the press When the key K5 is suspended, enter the washing process. The first water inlet valve energized FV, switch to open water, water washing to Yang; when reaching the predetermined water level, the water level switch K4 is switched on, the water inlet valve closed off, stop the water; MO motor power, drive impeller rotation, the formation of washing water. The motor M