基于单片机的电热水器温控系统设计
随着社会的发展和人们生活水平的提高。人们对环境的要求越来越高。也特别是环境，安全，智能，舒适，人性化的居住环境已经成为新的追求。以往的老旧的生活方式已经无法满足人们目前的需求。随着科技的发展，各个领域的发展都变得突飞猛进。在家居方面，科技使计算机技术，网络技术和电子应用技术结合在了一起，智能家居诞生了。电热水器的反战前景非常乐观。主要原因如下：国家城镇化建设和棚户区改造两项政策的逐步落实，将大力激发三、四级市场对热水器、特别是电热水器的刚性需求，将为未来5年电热水器的发展提供良好的空间；国家2014年开始雾霾治理措施，将进一步推广清洁能源的使用，对燃气热水器的废气排放将会进一步规范，对天然气价格将会和汽油一样进行国际接轨，势必提高目前国内总体气价较低的怪相，将会更有利于电热水器的发展。这份报告讨论的是智能家居中的智能热水器。
本设计采用AT89C52单片机作为基础。本设计在软件和硬件方面对单片机是
否能够对电热水器的温度进行控制做了分析。在硬件方面主要对单片机的最小系统及其扩展、电源的设计、各种接口，数模转换电路，水位及水温检查电路，安全性保护电路等进行了详细介绍。本报告还详细介绍了所用到的芯片的性能和特点。在软件设计方面，采用汇编语言编程，采用汇编语言的主要原因是其易于被单片机所识别，执行速度相对较快。在最后也对软件做了测试分析。
该智能热水器的设计档案完备，实现条件相对宽松，采用软件控制。可以检
测水温和水位，实现智能化。通过安全性设计，也提高了整机的可靠性和准确性。 关键词：单片机 自动控制 智能开关
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Design of temperature Control system for Electric Water heater
based on single Chip Microcomputer
Abstract：With the development of society and the improvement of people's living standards. People's demands on the environment are getting higher and higher. In particular, the environment, safety, intelligence, comfort, humanization of the living environment has become a new pursuit. The old and old way of life has been unable to meet the current needs of the people. With the development of science and technology, the development of every field has become rapid progress. In the field of home, science and technology combined computer technology, network technology and electronic application technology, smart home was born. The anti-war prospects of electric water heaters are very optimistic. The main reasons are as follows: the gradual implementation of the two policies of the national urbanization construction and the transformation of shantytowns will be vigorously implemented. Stimulate the third and fourth-level market for water heaters, especially the rigid demand for electric water heaters, will provide a good space for the development of electric water heaters in the next five years; The state began haze control measures in 2014, will further promote the use of clean energy, gas water heater emissions will be further standardized, natural gas prices will be the same as gasoline international standards, It is bound to improve the overall domestic gas price of the strange phase, will be more conducive to the development of electric water heaters. The report discusses smart water heaters in smart homes.
This design adopts AT89C52 singlechip as the foundation. This design in the software and hardware aspects of whether the single-chip microcomputer can control the temperature of the electric water heater is analyzed. In the aspect of hardware, the minimum system of MCU and its extension, the design of power supply, various interfaces, digital-to-analog conversion circuit, water level and water temperature check circuit, safety protection circuit and so on are introduced in detail. This report also describes in detail the performance and characteristics of the chips used. In the aspect of software design, assembly language is used to program. The main reason of
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using assembly language is that it is easy to be recognized by single chip microcomputer, and the execution speed is relatively fast. And at the end of the day, to the software. A test analysis was made.
The design files of the intelligent water heater are complete, the realization conditions are relatively loose, and software control is adopted. Can detect water temperature and water level, realize intelligence. Through the safety design, the reliability and accuracy of the whole machine are also improved. Key words: SCM automatic control intelligent switch
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