1、外文翻译 - 1 - Automatic dishwasher Control System Design Abstract: Based on the functional requirements of the automatic dishwasher, introduced by SCM AT89LS8252 and keyboard / display management chip designed automatic dishwasher HD7279A hardware control system design methods, using HD7279 is given co
2、ntrol of the keyboard and display hardware circuit, while the system is functional software modules and software flow chart. After debugging test of the system, which can effectively achieve the control dishwasher complete automatic water, heating, cleaning and disinfection, and other functions. 自动洗
3、碗机的控制系统设计 摘要： 基于自动洗碗机的功能要求，介绍了用单片机和键盘显示管理芯片设计的自动洗碗机的硬件控制系统的设计方法，给出了用控制键盘和显示的硬件电路，同时给出了系统软件和功能软件模块的流程图。该系统经过试验调试，可有效地实现洗碗机的自动控制，完成自动进水、加温、清洗、消毒等功能。 关键词： 洗碗机； 控制器；键盘显示 Key words: dishwashers； controller； keyboard / display 1 Introduction As digital application of information appliances, dishwashers ha
4、ve broad access to masses of people in the family, so that people can work from home in the complex gradually liberated. MCU Sensor-Menci Magnetic water level sensor Influent solenoid valve Temperature Control Protector Switch 5 kw heater thermostat Cleaning agents control box Cleaning agents contro
5、l box Electric motors Transmission trip switch 2 Analog Xiaodaishui temperature Counter Display Interface Man-machine interface Keyboard Interface Ringing Interface Figure 1 Control of the dishwasher 外文翻译 - 2 - 引言 随着数字信息家用电器应用的普及，洗碗机已经广泛进入人民大众的家庭之中，从而使得人们能够从繁杂的家务劳动中逐步解 放 出来。 As a home automation equ
6、ipment, such as dishwashers generally need to achieve automatic control influent, automatic detergent, cold wash, automatic temperature washing, cleaning, drainage, Disinfection, and the timing and fault alarm functions. From the point of view of control, a dishwasher usually need to meet Figure 1 s
7、hows some of the specific requirements, which involves the switching of signals there are two kinds of sensors is high, low signal detection, such as doors Switch , the water level and temperature regulation for the protection of trip switches, etc.； another solid-state relay switching control signa
8、ls by the strength of the signal voltage disconnect and loading, such as electromagnetic inlet valve opening and closing, opening and closing the heater thermostat , and instantly the heater to create a control box cleaning agents and disinfect外文翻译 - 3 - ants control box, and so on. Figure 1 in the
9、analog signal used to achieve the following major aspects of functions: (1) Temperature Sensor temperature / Xiaodaishui temperature detection； (2) through the man-machine interface display, keyboard input and output, such as voice achieve temperature, washing process shows that the fault type and d
10、isplay； (3) According to user needs by setting button to select washing mode, and through function keys launch-related functional； (4) the use of statistical machine, cleaning agents and the use of disinfectants dose counting； (5) Failure Alarm, as well as, washing complete the report. 作为一种家庭自动化设备，洗
11、碗机一般需要实现诸如自动控制进水、自动加洗涤剂、冷洗、自动加温洗、清洗、排水、杀菌消毒，以及定时和故障报警等功能。从被控制量角度出发，一个洗碗机通常需要满足图所示的一些具体要求，其中涉及的开关量信号有两种，一种是传感器的高、低电平信号检测，如机门开关、水位高低、温度调节保护器和行程开关等；另一种开关信号经由固态继电器控制强弱电压信号的断开和加载，如进水电磁阀门的开合、恒温加热器的开合、瞬间加热器的开合、清洁剂控制盒和消毒剂控制盒的工作等。图中所涉及的模拟量信号主要用于实现以下几 方面的功能： （）用温度传感器实现水温消毒水温度检测； （）通过人机接口的显示输出、键盘输入和声音输出等实现水温显示
12、、洗涤过程显示以及故障类型显示等； （）根据用户需要通过设置键选择洗涤模式，并通过功能键启动相关功能； （）机器使用情况统计、清洁剂和消毒剂剂量的使用情况计数等； （）故障报警以及、洗涤完成报告等。 2 dishwashers control system hardware design To address the above function and reliability, cost and ease of use factors such as maintenance, and the author of the design shown in Figure 2 dishwashers control system. SCM system is the smallest and MCS-51 compatible with the AT-MEL companies low-power high-performance CMOS chip design AT89LS8252, k-chip
