总字数：11000+
摘 要
近年来，由于疫情影响，国家的经济和发展水平受到较大的影响，而疫情主要传播的途径就是人与人之间接触进行传播，此次设计主要解决人们在进行洗手时，当前大部分还是通过手压挤压洗手液进行洗手，因此此次设计设计一款非接触挤压自动洗手液，主要分为硬件设计和软件设计；硬件部分，采用STC89C52单片机作为主控芯片，采用红外避障管监测洗手液之前是否有人，通过继电器控制水泵抽取定量的洗手液；软件设计：软件设计采用Keil5作为此次设计程序编程软件，采用AD作为此次设计的原理图和PCB的绘制软件,采用stc-isp作为此次设计程序的烧录软件，采用Visio作为此次设计的流程图绘制软件；通过软硬件配合进行设计，当监测到洗手液之前有人时，抽取定量的洗手液，监测到无人时，自动进行关闭。
AbstractIn recent years, because of the influence of the outbreak, the country’s economic and development level is affected by the larger, and the main way of the spread of epidemic is communicated between people contact, for hand washing, this design is mainly to solve the current mostly by hand pressure squeeze the liquid soap to wash your hands, so this design design a non-contact extrusion automatic hand sanitizer, It is mainly divided into hardware design and software design; In the hardware part, STC89C52 single-chip microcomputer is used as the main control chip, infrared obstacle avoidance tube is used to monitor whether there are people before hand sanitizer, and the water pump is controlled by relay to extract quantitative hand sanitizer. Software design: The software design uses Keil5 as the design program programming software, uses AD as the design schematic diagram and PCB drawing software, uses STC-ISP as the design program burning software, uses Visio as the design flowchart drawing software; The software and hardware are designed together. When there is a person before the hand sanitizer is detected, a quantitative amount of hand sanitizer is extracted, and when there is no person, it will be automatically turned off.
Key words: Hand sanitizer; Infrared obstacle avoidance tube; Water pump; STC89C52
目 录
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