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1、； 毕业设计报告(论文)报告(论文)题目： 大功率恒流源的设计 作者所在系部： 作者所在专业： 作者所在班级： 作 者 姓 名 ： 作 者 学 号 ： 校内导师姓名： 校内导师职称： 校外导师姓名： 校外导师职务（称）： 校外导师单位： 完 成 时 间 ： 教务处制 本科生毕业设计（论文）原创性及知识产权声明本人郑重声明：所呈交的毕业设计（论文） 大功率恒流源的设计 是本人在指导教师的指导下，独立进行研究工作取得的成果。除文中已经注明引用的内容外，本设计（论文）不含任何其他个人或集体已经发表或撰写过的作品或成果。对本设计（论文）的研究做出重要贡献的个人和集体，均已在文中以明确方式标明。因本毕业
2、设计（论文）引起的法律结果完全由本人承担。本毕业设计（论文）成果归北华航天工业学院所有。本人遵循北华航天工业学院有关毕业设计（论文）的相关规定，提交毕业设计（论文）的印刷本和电子版本。本人同意北华航天工业学院有权保存毕业设计（论文）的印刷本和电子版，并提供目录检索与阅览服务；可以采用影印、缩印、数字化或其它复制手段保存论文；在不以营利为目的的前提下，可以公布非涉密毕业设计（论文）的部分或全部内容。特此声明毕业设计（论文）作者： 指导教师： 2022 年 5 月 30 日 2022 年 5 月 30 日 摘 要论文的研究工作是以大功率恒流源设计为背景展开的，如今，大功率恒流源有着越来越广泛的应用
3、，随着时代的发展和科技的进步，现实生活中人们在各个领域对于恒流源的需求也越来越广泛，在国内国外各个领域均有涉及。大功率恒流源所涉及的学科领域非常广泛，它包含电力电子、模拟电子技术，数字电子技术、自动控制理论、微型计算机理论等等，随着21世纪发起的全新技术革命浪潮的兴起，电力电子技术带动恒流源技术使其得到了空前的发展，给数控恒流源技术的发展提供了广阔的前景，而我们国内对大功率恒流源的研究尚不成熟而且起步较晚，与国外的大厂商仍有较大差距，仍有很多问题和研发中的困难亟需解决。恒流源是电源技术发展过程中的一个非常重要的分支和课题，上世纪60年代恒流源才开始得到具体研究和发展，在恒流源发展的初期，恒流器
4、件常用镇流管，在此后的发展中，恒流源源技术得到了不断的发展。但在初期的恒流源及其产品都存在着很多问题，比如低分辨度，精度低，稳定低，后来的恒流源主要的发展方向是上述缺点和不足不断加以改善。到了上世纪80年代，随着半导体集成技术的不断发展，恒流源也逐渐向着集成化的方向进步，集成化的恒流源也给恒流源带来了广阔的市场，现在我们所应用到的恒流源大部分都是集成化的恒流源。目前，对于传统的恒流源操作的繁琐性和其本身再改变电压时造成的在一定程度上的精度的不足，市场上大多都会使用智能电源，采用数字智能电源，可以从某种意义上解决上述一系列的缺陷，数字化的智能电源能很大程度上提高系统的稳定性和精确度，和解决产品一
5、致性等问题，还可以极大地提高效率。论文的主要论述了在大功率恒流源方面的一个经典的设计思路，对恒流源模块、功率放大电路、功率计算与显示模块和控制程序的实现均有较为详细的阐述，对使用的编程思路也有描述，从而比较详尽地叙述了整个大功率恒流源的相关事宜。关键词： 恒流源 功率放大电路 单片机 数控电源 IAbstractThe research work of this paper is based on the design of high-power constant current source. Nowadays, high-power constant current source is m
6、ore and more widely used. *With the growth of the times and the advancement of knowledge and technology, people have more and more extensive demand for constant current source in various fields in real life, which is involved in various fields at home and abroad. High power constant current source i
7、nvolves a wide range of disciplines, including power electronics, analog electronics technology, digital electronics technology, automatic control theory, microcomputer theory, etc. with the rise of the new technological revolution launched in the 21st century, power electronics technology has drive
8、n the constant current source technology to an unprecedented development, which provides a broad prospect for the development of NC constant current source technology, However, our domestic research on high-power constant current source is not mature and started late. There is still a large gap with
9、 large foreign manufacturers, and there are still many problems and difficulties in research and development to be solved.The development of constant current source is a very important branch and subject of power supply technology. It was only in the 1960s that constant current source began to devel
10、op. In the early stage of the development of constant current source, constant current devices commonly used ballasts. In the later period of time, power supply technology has made great progress. However, there are many problems in the initial constant current source and its products, such as low r
11、esolution, low precision and low stability. The main development direction of the later constant current source is to continuously improve the above shortcomings and deficiencies. In the 1980s, with the development of semiconductor integration technology, integrated operational amplifiers and integr
12、ated components were developed. The constant current source of integrated components has good stability and high precision, and has been widely used.At present, the traditional constant current source is almost always the knob and switch to adjust the voltage, which will lead to low regulation accur
13、acy, high probability of jump and troublesome use. The introduction of digital intelligent power supply can make up for the shortcomings of traditional power supply to a certain extent. Digital intelligent power supply can greatly improve the stability and accuracy of the system, solve problems such
14、 as product consistency, and greatly improve efficiency.This paper mainly discusses a classic design idea in the aspect of high-power constant current source, expounds the realization of constant current source module, power amplification circuit, power calculation and display module and control pro
15、gram in detail, and describes the programming idea used, so as to describe the related matters of the whole high-power constant current source in detail.This paper mainly discusses a classic design idea in the aspect of high-power constant current source, expounds in detail the realization of constant curren
