大疆社区

标题: 用Arduino手搓示波器，测试POWER-500逆变波形 [打印本页]

作者: T-3486784401 时间: 5-13 11:13
标题: 用Arduino手搓示波器，测试POWER-500逆变波形
[{"type":1,"key":"first-text","desc":"无人机飞多了自然逃不开充电宝的需求，这次直接入了 DJI-POWER-500："},{"type":1,"key":"a2vd0rdp","desc":""},{"type":2,"multi_size":{"small":"https://bbs.djicdn.com/data/attachment/forum/202405/13/5926PZImJWf0FPByp4uf.jpg@!550","large":"https://bbs.djicdn.com/data/attachment/forum/202405/13/5926PZImJWf0FPByp4uf.jpg@!1920","extra_large":"https://bbs.djicdn.com/data/attachment/forum/202405/13/5926PZImJWf0FPByp4uf.jpg@!2560","medium":"https://bbs.djicdn.com/data/attachment/forum/202405/13/5926PZImJWf0FPByp4uf.jpg@!1200"},"percent":1,"key":"v7d51jqo","url":"https://bbs.djicdn.com/data/attachment/forum/202405/13/5926PZImJWf0FPByp4uf.jpg"},{"type":1,"key":"lqrtd711","desc":""},{"type":1,"key":"smk51yx2","desc":"考虑到家里有一众水泵的应急需求，特意询问客服是否纯正弦逆变。\n结果小姐姐卡壳了，表示她也不知，只让我自己测... 好吧我自己测...\n\n警告：包含专业电气高压测试，非专业勿模仿。\n\n放假宅家没啥趁手的示波器，索性拿 Arduino 手搓一套。\n先用兆欧电阻搓一个模拟前端 AFE，主要是分压+偏置均衡：\n"},{"type":2,"multi_size":{"small":"https://bbs.djicdn.com/data/attachment/forum/202405/13/2470JKvkrXnS0IMeAf17.JPG@!550","large":"https://bbs.djicdn.com/data/attachment/forum/202405/13/2470JKvkrXnS0IMeAf17.JPG@!1920","extra_large":"https://bbs.djicdn.com/data/attachment/forum/202405/13/2470JKvkrXnS0IMeAf17.JPG@!2560","medium":"https://bbs.djicdn.com/data/attachment/forum/202405/13/2470JKvkrXnS0IMeAf17.JPG@!1200"},"percent":1,"key":"r5kfgfsf","url":"https://bbs.djicdn.com/data/attachment/forum/202405/13/2470JKvkrXnS0IMeAf17.JPG"},{"type":1,"key":"if85tzbi","desc":""},{"type":1,"key":"b6eqzqal","desc":"插在 Arduino 基板上就可以采集高压了："},{"type":1,"key":"louk3rpg","desc":""},{"type":2,"multi_size":{"small":"https://bbs.djicdn.com/data/attachment/forum/202405/13/7665Cq6fdzwNa1F6Xdte.jpg@!550","large":"https://bbs.djicdn.com/data/attachment/forum/202405/13/7665Cq6fdzwNa1F6Xdte.jpg@!1920","extra_large":"https://bbs.djicdn.com/data/attachment/forum/202405/13/7665Cq6fdzwNa1F6Xdte.jpg@!2560","medium":"https://bbs.djicdn.com/data/attachment/forum/202405/13/7665Cq6fdzwNa1F6Xdte.jpg@!1200"},"percent":1,"key":"zm6hcvdm","url":"https://bbs.djicdn.com/data/attachment/forum/202405/13/7665Cq6fdzwNa1F6Xdte.jpg"},{"type":1,"key":"6y9u5dqu","desc":""},{"type":1,"key":"w66jjj18","desc":"下位机用 ICCAVR 来搞，上位机 MFC+NTGraph，主打简单实用："},{"type":1,"key":"ly70s2db","desc":""},{"type":2,"multi_size":{"small":"https://bbs.djicdn.com/data/attachment/forum/202405/13/3588u8Nl5mI7d5MXTU0A.png@!550","large":"https://bbs.djicdn.com/data/attachment/forum/202405/13/3588u8Nl5mI7d5MXTU0A.png@!1920","extra_large":"https://bbs.djicdn.com/data/attachment/forum/202405/13/3588u8Nl5mI7d5MXTU0A.png@!2560","medium":"https://bbs.djicdn.com/data/attachment/forum/202405/13/3588u8Nl5mI7d5MXTU0A.png@!1200"},"percent":1,"key":"s6odzop5","url":"https://bbs.djicdn.com/data/attachment/forum/202405/13/3588u8Nl5mI7d5MXTU0A.png"},{"type":1,"key":"u6oc4vip","desc":""},{"type":1,"key":"8bvi0imz","desc":"采集来的数据直接上位机加载下，就出波形了，支持拖动缩放："},{"type":1,"key":"nrg7vmhp","desc":""},{"type":2,"multi_size":{"small":"https://bbs.djicdn.com/data/attachment/forum/202405/13/6316LZ4FW1P04uUKFpWI.png@!550","large":"https://bbs.djicdn.com/data/attachment/forum/202405/13/6316LZ4FW1P04uUKFpWI.png@!1920","extra_large":"https://bbs.djicdn.com/data/attachment/forum/202405/13/6316LZ4FW1P04uUKFpWI.png@!2560","medium":"https://bbs.djicdn.com/data/attachment/forum/202405/13/6316LZ4FW1P04uUKFpWI.png@!1200"},"percent":1,"key":"fl85c0rp","url":"https://bbs.djicdn.com/data/attachment/forum/202405/13/6316LZ4FW1P04uUKFpWI.png"},{"type":1,"key":"2bs0zmqf","desc":""},{"type":1,"key":"hjslh95u","desc":"接下来就是一众测试，着重看下 POWER-500 逆变的高压波形。\n\n首先是稳定输出状态，看到这个波形终于放下心来：\n妥妥的纯正弦逆变，部分高频毛刺说明属于 SPWM 滤波方案："},{"type":1,"key":"jombfeuo","desc":""},{"type":2,"multi_size":{"small":"https://bbs.djicdn.com/data/attachment/forum/202405/13/141460gJY7nYyXe9vhJb.png@!550","large":"https://bbs.djicdn.com/data/attachment/forum/202405/13/141460gJY7nYyXe9vhJb.png@!1920","extra_large":"https://bbs.djicdn.com/data/attachment/forum/202405/13/141460gJY7nYyXe9vhJb.png@!2560","medium":"https://bbs.djicdn.com/data/attachment/forum/202405/13/141460gJY7nYyXe9vhJb.png@!1200"},"percent":1,"key":"pyplxktr","url":"https://bbs.djicdn.com/data/attachment/forum/202405/13/141460gJY7nYyXe9vhJb.png"},{"type":1,"key":"yqc0r0eb","desc":""},{"type":1,"key":"osbp4oqj","desc":"之后观察开机瞬间，居然有完美的软启动，细节品质拉满："},{"type":1,"key":"bx8g0zyi","desc":""},{"type":2,"multi_size":{"small":"https://bbs.djicdn.com/data/attachment/forum/202405/13/54705Xa3kgfPDCueIi2z.png@!550","large":"https://bbs.djicdn.com/data/attachment/forum/202405/13/54705Xa3kgfPDCueIi2z.png@!1920","extra_large":"https://bbs.djicdn.com/data/attachment/forum/202405/13/54705Xa3kgfPDCueIi2z.png@!2560","medium":"https://bbs.djicdn.com/data/attachment/forum/202405/13/54705Xa3kgfPDCueIi2z.png@!1200"},"percent":1,"key":"mj7jdtm6","url":"https://bbs.djicdn.com/data/attachment/forum/202405/13/54705Xa3kgfPDCueIi2z.png"},{"type":1,"key":"16h9auno","desc":""},{"type":1,"key":"4jaq80ho","desc":"按着 POWER 系列的手册，这个电源支持类似 UPS 的动态路径管理。\n于是专门测量下市电通断瞬间，逆变的输出情况。先是断市电："},{"type":1,"key":"s0n9ko7b","desc":""},{"type":2,"multi_size":{"small":"https://bbs.djicdn.com/data/attachment/forum/202405/13/5715QGEV5Zxi2J9euYa8.png@!550","large":"https://bbs.djicdn.com/data/attachment/forum/202405/13/5715QGEV5Zxi2J9euYa8.png@!1920","extra_large":"https://bbs.djicdn.com/data/attachment/forum/202405/13/5715QGEV5Zxi2J9euYa8.png@!2560","medium":"https://bbs.djicdn.com/data/attachment/forum/202405/13/5715QGEV5Zxi2J9euYa8.png@!1200"},"percent":1,"key":"v0hc8ykb","url":"https://bbs.djicdn.com/data/attachment/forum/202405/13/5715QGEV5Zxi2J9euYa8.png"},{"type":1,"key":"zt65c2sj","desc":""},{"type":1,"key":"saod9fpw","desc":"从市电 AC220 离线到电池逆变开机，不到一个工频周期（20ms），基本与手册描述的相符。"},{"type":1,"key":"xsg9per1","desc":"之后看下恢复市电 AC220："},{"type":1,"key":"ob0lhuvf","desc":""},{"type":2,"multi_size":{"small":"https://bbs.djicdn.com/data/attachment/forum/202405/13/48038RlIuK4z2wexmAve.png@!550","large":"https://bbs.djicdn.com/data/attachment/forum/202405/13/48038RlIuK4z2wexmAve.png@!1920","extra_large":"https://bbs.djicdn.com/data/attachment/forum/202405/13/48038RlIuK4z2wexmAve.png@!2560","medium":"https://bbs.djicdn.com/data/attachment/forum/202405/13/48038RlIuK4z2wexmAve.png@!1200"},"percent":1,"key":"zn7gbfo4","url":"https://bbs.djicdn.com/data/attachment/forum/202405/13/48038RlIuK4z2wexmAve.png"},{"type":1,"key":"z41c7jzr","desc":""},{"type":1,"key":"dnp8odhj","desc":"DJI 居然做了同步投切，电池逆变的相位严格对准了市电相位，完全无缝切换到了市电 AC220 供电。\n\n至此确认 POWER-500 是妥妥的纯正弦逆变输出，并且有着类似 UPS 的动态路径管理，功能强大而低调。\n\n-------------------------------------------------------------------------------------------\n\n以上，用 Arduino 手搓一套示波器测试了 POWER-500，确认为纯正弦逆变输出，电源路径管理功能正常。\n\n成功完成了客服小姐姐抛出的任务：自己测吧。\n\n最后祝大家畅飞不断电！\n\n"}]

作者: Ｓmile﹑泣 时间: 5-13 11:19

作者: Li2199 时间: 5-13 11:57

作者: 振翅高飞 时间: 5-13 12:24

作者: ayankot 时间: 5-14 00:03

作者: 不会飞的蛋狗 时间: 5-14 09:47
果然玩大疆的还是理工男多

作者: DJ·H 时间: 5-14 12:17
求源代码，接线图（坐等）

作者: DJ·H 时间: 5-14 12:19
不是，看来要手搓示波器，我还得再装一套开发环境

作者: DJ·H 时间: 5-14 12:19
为什么不用IDE!!!!!

作者: T-3486784401 时间: 5-14 17:22
回复 DJ·H ：数码坛上我发了详细的电气资料 mydigit.cn，你可以直接烧写 hex 运行单片机

作者: T-3486784401 时间: 5-14 17:25
回复不会飞的蛋狗：我和媳妇对小青蛙的定义差很多。

我：会飞，FPV

她：能拍照

作者: DJ·H 时间: 5-14 21:43
回复 T-3486784401：感谢大佬！
--某Arduino小白

欢迎光临大疆社区 (https://bbs.dji.com/)