- 1、本文档共18页,可阅读全部内容。
- 2、有哪些信誉好的足球投注网站(book118)网站文档一经付费(服务费),不意味着购买了该文档的版权,仅供个人/单位学习、研究之用,不得用于商业用途,未经授权,严禁复制、发行、汇编、翻译或者网络传播等,侵权必究。
- 3、本站所有内容均由合作方或网友上传,本站不对文档的完整性、权威性及其观点立场正确性做任何保证或承诺!文档内容仅供研究参考,付费前请自行鉴别。如您付费,意味着您自己接受本站规则且自行承担风险,本站不退款、不进行额外附加服务;查看《如何避免下载的几个坑》。如果您已付费下载过本站文档,您可以点击 这里二次下载。
- 4、如文档侵犯商业秘密、侵犯著作权、侵犯人身权等,请点击“版权申诉”(推荐),也可以打举报电话:400-050-0827(电话支持时间:9:00-18:30)。
查看更多
山西大学课程设计汇报
课程名称:
系 部:
专业班级:
学生姓名:
指导老师:
完成时间:
汇报成绩:
评阅意见:
评阅意见:
评阅老师 日期
目 录
概述···················································3
1.1 过欠压电路课程设计背景······························3
1.2 过欠压电路课程设计目标······························3
1.3 设计任务和要求······································3
设计内容·············································4
2.1 分模块电路设计思绪··································4
2.2 电源模块设计······································4
2.3 比较模块设计······································5
2.4 报警模块设计······································6
总电路图··············································8
3.1 图像·················································8
3.2 元件清单·············································8
3.3 部分关键原件介绍·····································8
仿真和调试···········································11
4.1仿真·················································11
4.2调试·················································12
4.3结论·················································14
心得体会··············································14
参考文件··············································15
概述
1.1 过欠压电路课程设计背景
生活中,我们不可避免要用到要用到多种多样电气设备。因为电网电压波动,在较高电压下很有可能使电气设备受到损坏,而在低压时电气设备不能正常工作。那么,在这么情况下就需要有一个电压报警指示设备,它能够立即正确地对电网电压进行分段指示而且对过、欠压进行指示报警,从而实现保护电器设备目标。
1.2 过欠压电路课程设计目标
设计一过/欠电压保护提醒电路。
对给定电路原理框图进行原理图设计,分单元进行设计。对电路参数进行必需计算,选择元器件参数。
画出完整电路原理图。
对设计电路进行仿真验证。要求打印出仿真结果。
1.3 设计任务和要求
1.设计一个过欠电压保护电路,当电网交流电压大于250V或小于180V时,经3~4s本装置将切断用电设备交流供电,并用LED发光警示。
2.在电网交流电压恢复正常后,经本装置延时3~5分钟后恢复用电设备交流供电。
3.每一位学生对设计内容全部应依据自己所学知识、水平及能力独立完成,不得有雷同。
4.写出完整设计汇报。
设计内容
2.1 分模块电路设计思绪
a.电源模块设计;
b.比较模块设计;
c.报警延时模块设计;
2.2 电源模块设计
电源设计图:
电源模块采取10 TO 1 变压器降压,1A/50V桥式整流电路进行整流,RCπ型滤波器进行滤波。当通以220V交流电压时,经过变压器降压后,电压测量值为21.978V;经过由4个相同型号二极管组成桥式整流电路后,得到14.725V直流电压;再经过RCπ型滤波器滤波、稳压功效,并经过电阻分压
文档评论(0)