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多功能电力记录仪设计与原理

更新时间: 2017年04月07日 所属类别: 知识百科 阅读量:

百家乐官网  muqiandianlixitongfashengguzhangshi,gongzuorenyuanhennanxunsuchazhaogenyuan,weicishejilejiyuarm9deduogongnengdianlijiluyi,keyicaiyongjiangehuolianxufangshiduidianlixitongzhongdianya、dianliudeyouxiaozhi、pinlv、xiangweijiboxingdengjinxingjilubingbaocunyuduogongnengdianlijiluyineicunzhong。ruodianlixitongfashengguzhang,gongzuorenyuankeyijiangshujubeifendaosdkaneidexiangyingshijiandeshujudurujisuanjizhongbingjinxingfenxiyuchuli,congerkeyikuaisudingweidaoguzhangyuanyin,tigaojianxiuxiaolv,zuizhongtigaojingjixiaoyi。

百家乐官网  duogongnengdianlijiluyishejiyiqianrushichuliqis3c2410weihexin,jiehetongbuaidzhuanhuanqihesdka,shejileduogongnengdianlijiluyisheji。keyigenjushedingmoshitongshiceliangbingjiluzuiduo3tongdaodianyahe3tongdaodianliudeyouxiaozhi、pinlv、xiangwei、boxingdengdianlicanshu,bingcunrusdkabaocun。tongguochuanxingkouhuotongyongdukaqijiangsdkaneishujudurushangweijisuanjijikeduimouxieshijiandiandedianlicanshujinxingfenxihechuli。jichulexitongdeyingjianzuchengyuruanjianbianzhifangfa。shiyanbiaoming,benxitongceliangyujilujingdugao,shujucunchuliangda,gonghaojidi,tebieshiyongyudianlibumencaijidianlicanshudechanghe。

硬件组成及原理

百家乐官网  duogongnengdianlijiluyiyis3c2410weihexinchuliqi,fuzecanshuyunsuanyuquanjukongzhi。beicebaijialeguanwangdianxinhaojingguodianliuhuganqijinxinggelihoujinruquyangfangdadianlu,weibaozhengnenggouduikuanfanweidexinhaojinxingceliang,shiyongshuzidianweiqiduixinhaojinxingdongtaifangda,shijinrua/dzhuanhuanqidexinhaozaihelifanwei。zhengxingdianlujiangzhengxianxinhaobianhuanweifangbo,songruchuliqidedingshiqi,liyongpcadebuhuogongnengceliangpinlvjixiangwei。yingjianxitongjiegourutu1suoshi。xiamianjiuzhongyaobufenjinxingfenbiejieshao。

多功能电力记录仪硬件系统结构图

百家乐官网duogongnengdianlijiluyiyingjianxitongjiegoutu

2.1控制器

百家乐官网  weilebaozhenggaoceliangjingdu,duibaijialeguanwangdianmeigezhouqijinxing128diandecaiyang,bingcaiyong14weidea/dzhuanhuanqi,zemeimiaozhongdeshujuliangwei2b*128dian*6tongdao*50hz=75kb,yincishujutuntuliangjiaoda,ruoxiangzuodaoshishijisuanhecunchu,zeduiduogongnengdianlijiluyidechuliqidesuduyaoqiuhengao,putongdedanpianjiwufamanzuyaoqiu。weici,xuanyongsanxinggongsides3c2410gaosuarm9chuliqi,yudianyuandianlu、shizhongdianlu、cunchuqixitongjifuweidianlugongtongzuchengweikongzhixitong。fuweidianluxuanyonglexitongjianshifuweixinpianimp811s,ketigonggaoxiaodedianyuanjianshigongneng,quebaoxitonggongzuozhengchang。

  s3c2410shiyikuanjiyuarm920tneihede16/32weiriscqianrushichuliqiweichuliqi,yunxingdepinlvkeda203mhz,zaicijichushangkuozhanleyixiliewanzhengdetongyongwaiweijiekoudanyuan,nenggoutigonggaoxingjiabideqianrushijiejuefangan。s3c2410xitongwaiweijiekoudanyuanbaokuozhichi55gezhongduanyuandezhongduankongzhiqi,4ludmakongzhiqi,117getongyongi/okou,3gekebianchengbotelvdeuart, lcdkongzhiqi,8lu10weia/dzhuanhuanqi,sdkajiekou,1geduozhuji12czongxiankongzhiqi,2gespijiekoudeng。

2.2信号处理电路

  beicebaijialeguanwangxinhaotongguohuganqibianwei0~2madedianliuxinhao,jingguo400oumudequyangdianzuhoubianwei0~0.8vdedianyaxinhao,jingchaodishidiaoyunsuanfangdaqiad851heshuzidianweiqimcp41010zuchengdezengyikebianfangdadianluhou,zuoerjieditonglvbo,ranhoujikejinrua/dzhuanhuanqijinxingcaiyanghuojinrulm339bijiaoqijinxingzhengxing。

2.3 A/D转换器

  weibaozhengduogongnengdianlijiluyigetongdaocaiyangshujudetongbuxingjijingdu,xuanyonglelineargongsideltc1408xinpian。ltc1408shiyikuan14weifenbianlv、6tongdaotongshicaiyangdea/dzhuanhuanqi,dan3vdianyuangongdian,gonghaojinwei15mw,wutongdaotuntulvwei100ksps,dianyashurufanweiwei0-2.5vhuo±1.25v,caiyongsanxianshichuanxingjiekoufangshi。

百家乐官网  xitongcaiyong0-2.5vshurufanwei,yincidianyuandianluzhongcaiyonglt1461-1.25xinpianchansheng1.25vdianyajizhun,weifangdadianlutigongcankao,yishizhengxianxinhaodefuduzaia/dcaiyangfanweinei。

多功能电力记录仪接线图

百家乐官网    tu2suoshiweiltc1408xinpiandeyingjianjiexiantu。tu2zhong,aino~ain5weifangdadianlushuchudexinhao,jiangsel2-vselojiegaoyixuanzesuoyoutongdaojinxingzhuanhuan,bipjiedidianpingyixuanzedanduanshurufangshi,chuanxingkousdo, sckheconvyus3c2410degpgkoudegaosanweixianglian,yijinxingzhuanhuankongzhiheshujuchuansong。

2.4人机接口与信息存储

百家乐官网  weilebianyucanshushezhiyuxianshi,xitongjiaruleanjianhelcdxianshiqi。s3c2410neibuhanyouyigelcdqudongkongzhiqi,nengzidongchanshenglcdqudongkongzhisuoxudekongzhixinhao,yincinengyutftxingdecaiselcdpingzhijielianjie,buxuyaowaijiakongzhiqi。benxitongcaiyongle3.5cunde320×240xingyejingping。anjianzhijieyus3c2410degpioxianglian,caiyongsaomiaofangshiduquanjianhao。

百家乐官网  weilenenggoujiangkongzhixinxijizhaomingguanlixinxijinxingcunchuyuchaxun,xitongjiarulesdkacunchuzhuangzhi。youyus3c2410xinpianbenshendaiyousdkajiekou,yincizhixujiangsdkazuoyus3c2410desdkajiekouzhijiexianglianjikeshixianshujuduxie。

系统软件设计

  s3c2410zuoweikongzhihexinwanchenga/dzhuanhuan、sdkaduxie、canshushuruyuxianshi、shujuyunsuan、dianchidianyajiancedenggongneng,youyuruanjianjiaofuza,suoyishijibianchengzhongqianrule5c/os-iishishicaozuoxitong。zhuchengxuwanchengs32410shizhongchushihua、gpiochushihua、zhongduanchushihua、sdkachushihua、spijiekouchushihua、pcachushihua、caozuoxitongchushihua、renwuchuangjianyucaozuoxitongdeqidongdeng。

3.1 PC/OS-II实时操作系统

百家乐官网  5c/os-hshishicaozuoxitongshizhenzhengyuanmagongkaide,caiyongzhanxianshideshishineihe,zhichiduoda56geyonghurenwu,wendingxinghekekaoxinggao,erqieyizhifangbian,zhanyongneicunxiao。5c/os-iishishicaozuoxitongzhonggerenwuyaofenpeibutongdeyouxianji,youxianjiyongshuzibiaoshi,shuziyuexiaoqiyouxianjiyuegao。zhenduibenxitongzhonggerenwudezhongyaoxing,weigerenwufenpeilebiaoisuoshideyouxianji。

3.2 A/D转换程序

  yinweimeigezhouqicaiji128dian,yincishiyongdingshiqi。shixian125.25usdedingshijiange,zaidingshizhongduanzhongqidongaidzhuanhuan。a/dzhuanhuanqicaiyong3xianjiekou,suoyiyaoyangezunshouqishixu。qizhongconydeshangshengyanqidongzhuanhuan,sckweiduqushizhong,sdoweishuju。wancheng6getongdaodeshujuzhuanhuanheshujuduquxu96geshizhong。conydeshangshengyandaolaihou,jingenzhelianggesckshangshengyanhoujikeduquzhuanhuanjieguo,sckwu14geshangshengyankeduquyigetongdaodejieguo,qizhonggaowei( d13)zaiqian,diwei(do)zaihou。ch0tongdaozhuanhuanjieguozaiqian,ch5tongdaozhuanhuanjieguozuihou。zhuyi,meiduquwanyigetongdaojieguohouyaozengjialianggesckshangshengyanshixi,yibaozhengjieguodezhengquexing。

多功能电力记录仪系统任务图

biao: duogongnengdianlijiluyishejixitongzhongrenwujiyouxianji

3.3 FatFS文件系统

  benxitongsdkaneishiyonglefatfswenjianxitong,bianyuyongtongyongdukaqiduqusdkaneirong。fatfsshiyizhongtongyongdewenjianxitongmokuai,yongyuzaixiaoxingqianrushixitongzhongshixianfai,wenjianxitong。yinweifatfsmokuaiwanquanyucipan1/ocengfenkai,yincizhixuyaoxiugaibufenhanshujiukeyishixiandicengwulicipandeduxieyuhuoqudangqianshijian,bingjiangfatfswenjianxitongyizhidaoxitongzhong。

benxitongzhongduiyixiajigehanshujiayixiugai:

百家乐官网disk initialize:chushihuacipanqudongqi,zheilishichushihuasdka;

百家乐官网disk status:huoqucipanzhuangtai;

disk read:dushanqu;

disk write:xieshanqu;

disk ioctl:shebeixiangguandekongzhitexing;

get fattime:huoqudangqianshijian。

实验结论

  tongguoshiyanceshibiaoming,caiyongsanxinggongsides3c2410gaosuarm9chuliqinenggoushixianduibaijialeguanwangdianwugezhouqijinxing128diandegaoceliangjingducaiyang。xitongnenggoushixianduidianlixitongduoludianya、dianliuduozhongcanshudejilubingbaocun。

结束语

百家乐官网  benwensuoshejidedianlicanshujiluyijuyoujingdugao、sudukuai、kekaoxinggao、gonghaodi、rongliangdadengyoudian,keyidui6gebaijialeguanwangtongdaocanshuheboxingjinxingjilu。jiludeshujuhaibaohanshijianxinxi,durujisuanjijikejinxingtezhengzhifenxi、xiebofenxi、xuliangfenxideng,keyiweigongzuorenyuanjinxingguzhangfenxitigongyiju,congersuoduanguzhangpaichashijian,tigaodianlixitongweihuxiaolv,yinciyouzhelianghaodetuiguangqianjing。

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