歡迎來到中國機電網    [ ]  [ ]

返回首頁|English|設為首頁|加入收藏|

您現在的位置:中國機電網 - 電工電器
應用新型lora技術設計無線通信模塊,滿足智能物聯的發展需求
作者: 佚名 時間:2020-1-5文章來源:百度訪問量:569

体球网完场比分BEIJINGXINXIKEJIDAXUEZIDONGHUAXUEYUANDEYANJIURENYUANPUZHEN、WUYINGNIAN,ZAI2019NIANDI6QI《DIANQIJISHU》ZAZHISHANGZHUANWENZHICHU(LUNWENBIAOTIWEI“JIYUloraDEYONGDIANXINXICAIJIXITONGYANJIU”),MUQIANGUONEIDEYONGDIANYUPEIDIANTIXIZHONG,ZHUZHANYUYONGDIANXINXICAIJIZHONGDUANCHANGTUTONGXINDADUOSHUYONGDESHIgsm、gprsDENGTONGXINFANGAN,ZHEXIEWUXIANTONGXINMOSHICUNZAITONGXINYANSHICHANG、TONGXINKEKAOXINGCHADENGQUEDIAN,YIJINGBUNENGMANZUGUOJIATICHUDEZHINENGDIANWANG、ZHINENGWULIANDEYAOQIU。

体球网完场比分SUIZHUWULIANWANGWUXIANTONGXINJISHUXUNSUFAZHAN,loraYINGYUNERSHENG,TAJUYOUMIANFEIXUANZEPINDUAN、TONGXINJULIYUAN、XINHAOCHUANTOUXINGQIANG、SHUJUJIESHOUYUFASONGWENDING、ZUWANGLINGHUODETEDIAN,YINCIZAIYONGDIANXINXICAIJITIXIZHONGGENGSHOUHUANYING。CAIYONGGONGYEJIBIEDEf8l10d-e-ms-nDEloraXINPIANBINGQIEJIEHEatmel d20SHEJIDEYUANCHENGCAIJIMOKUAI,YONGLAISHIXIANYUANCHENGTONGXINDEGONGNENG。

TONGXINMOKUAIYUZHUZHANDETONGXINCAIQUDESHIMIANXIANGDUIXIANGDEdl/t 698TONGXINXIEYIGUIYUE,BENMOKUAICHUANGXINDESHIYONGLEXINXINGDEloraWUXIANTONGXINFANGSHI,BINGQIEYUZHUKONGXINPIANZHIJIANTONGGUOusb3.0JINXINGLIANJIE,JIARUnfcMOKUAI,TONGGUOnfcPEIHEYUZHUANGRUANJIANDECANSHUPEIZHI。SHIYANBIAOMING,GAIWUXIANTONGXINMOKUAITONGXINFUGAIFANWEIGUANG、ZUWANGXUNSU,SHUJUCHUANSHUXIAOLVGAO。

体球网完场比分SUIZHUKEXUEXINXIJISHUDEBUDUANFAZHAN,YIJIGUOJIAYONGDIANXINXICAIJIZHONGDUANZAIGUOJIAZHINENGDIANWANGJIANSHEZHONGJUZUQINGZHONGDEDIWEI,CAIJIZHONGDUANDEWENDING、ZHUNQUE、KUAISUXINGCHENGWEIZHINENGDIANWANGHENGLIANGBIAOZHUNZHONGZHONGYAODEYIGEZHIBIAO。DUIYUYIWANGDEYOUXIANTONGXINFANGSHIDIANLIZAIBOYIXIANCUNDEDIYAPEIDIANXIANWEIJICHU,CIWANGLUOSUICHUKEJIAN,JUBEIJIANDAN、JIAGEDILIANDENGYOUSHI,DANSHIYECUNZAIZAOSHENGGANRAODA、XINHAOSHUAIJIANFUZA、SUIJIXINGYUSHIBIANXINGJIAOQIANGDENGLIESHI,XIANRAN,CIZHONGTONGXINFANGSHISHIBUNENGMANZUDUIYUXINHAOCHUANSHUWENDINGXINGYAOQIUDE。

SUIHOUCHUXIANWUXIANTONGXINDEFANGSHI,YIQIANZHUYAOYIgprsWEIZHU,ZAIDANGSHIDEJISHUTIAOJIANXIA,CITONGXINFANGSHIKEYIBA8GESHIXIYOUJIDIJIEHEQILAI,NENGGOUYI115kbit/sDEKUANDAISUDUCHUANSHUSHUJU,XIANGDUIgsmKUAILEHENDUO,NENGGOUBAOZHENGYONGDIANXINXIGENGJIAKUAISU、WENDINGDICHUANSHUCAIJIDESHUJU,DANSHIYECUNZAIYANSHICHANG、SULVMAN、CHENGBENGAODENGQUEDIAN。

BANSUIZHUXINXINGWULIANWANGWUXIANTONGXINJISHUloraWANGLUOJISHUZHUJIANPUJI,ZHEXIEWENTIDEJIEJUEFANGANZHONGYULAILIN,loraWANGLUOCAIYONGDESHIWUXIANMIANFEIPINDUAN,GONGHAODI、TONGXINJULIYUAN、KANGGANRAONENGLIQIANG、PINGJUNSHIYANDUAN,LIYONGXIANJINDEKUOPINDIAOZHIJISHUHEBIANJIEMAFANGAN,DUIYULIANLUYUSUANYEJIARUJINQU,BINGQIEDUIZENGQIANGSHUAILUOHEDUOPULEPINYIYONGYOUHAODEWENDINGXING。

体球网完场比分BENWENZHENDUICHAOBIAOXITONGZHONGJIZHONGQIZHONGDEWUXIANTONGXINMOKUAIJINXINGYANJIU,TANEIQIANGAOXINGNENGDIGONGHAODEmcu,ZAIMUQIANJISHUDEZHIYUEXIAHEBUGAIBIANJIZHONGQIRUANYINGJIANJIEKOUDEQIANTIXIA,TONGGUOYITAIWANGKOUYUJIZHONGQILIANJIE,CAIYONGDESHIJIZHONGQITONGXINMONIZHUZHANFUWUQI、JIZHONGQIKEHUDUANDESHEJISILU,HENDACHENGDUSHANGTIGAOLEJIZHONGQIDETONGXINSULV。

体球网完场比分BENMOKUAIZHUYAOSHICAIYONGmcuKONGZHIMOKUAILAIZHANGWOZHENGGETONGXINLIUCHENG,BINGQIEPEIHEQITADEXINPIANYUNZHUAN,YONGLAISHIXIAN1376.1GUIYUEHEdlt 698.45GUIYUE(MIANXIANGDUIXIANGDESHUJUJIAOHUANXIEYI)DEZHUANHUAN。loraDEXINPIANZHUYAOYONGLAISHIXIANYUYUANCHENGFUWUQIDEWUXIANWANGLUODELIANJIE。flashXINPIANCUNCHUJIZHONGQISHUJU、TONGXINSHUJU、HEGELEIZHUANHUANGUOLAIDESHUJUDENG。

1 XITONGDESHEJIFANGAN

体球网完场比分JIYUloraDEYONGDIANXINXICAIJIXITONGZHUYAOZHENDUIXINXICAIJIXITONG,ZAIZHENGGECHAOBIAOXITONGQIZHULIANJIEYUKONGZHIDEZUOYONG,DANRENZHUSHUJUCHUANSHUYUSHUJUSHOUJIDERENWU,ZAIXINXICAIJIXITONGZHONG,CAIJIXITONGXIANGXIAYAOCAIJIGEGEDIANNENGBIAOCANSHUDEXINXI(ZHINENGBIAODEZHENGXIANGYOUGONGZONG、JIAN、FENG、PING、GUDENG),XIANGSHANGYAOJIANGCAIJIDAODECANSHUSHUJUSHANGCHUANZHIDIANLIFUWUQI,RANHOUJIANGFUWUQIZHONGJIESHOUDAODESHUJUSHANGCHUANDAOSHUJUKU、QIANDUANDEWANGYEYIJIKEHUDUAN,TONGGUODUISHUJUKUDESHUJUDIAOYONGLAIXIANSHIGEGECAIJIDAODEJUTISHUJUXINXI,YUANCHENGCHAOBIAOYONGDIANXINXIXITONGDEWANGLUOTUOPURUTU1SUOSHI。

体球网完场比分TONGXINMOKUAIDEZONGTIJIEGOU:loraYUANCHENGWUXIANTONGXINMOKUAICAIYONGlora fbl10dMOKUAI,mcuYOUd20CHULIQIYIJIflashZUCHENG。YUANCHENGTONGXINMOKUAIDEZONGTIJIEGOURUTU2SUOSHI。ZHUKONGXINPIANd20TONGGUOWANGLUOJIEKOUYUJIZHONGQILIANJIE,TONGGUOusb3.0KOUYUloraXINPIANLIANJIE,TONGGUOspiZONGXIANYUflashXINPIANLIANJIE,TONGGUOi2cZONGXIANnfcXINPIANLIANJIE[8]。ZHUKONGmcuXINPIANYUloraXINPIANDELIANJIEFANGSHIBUJINJINSHIusb3.0,BANSUIZHUXINPIANJISHUDEBUDUANFAZHAN,HUANYOUpcieYIJIJIYUGUANGXIANDEGAOSUCHUANXINGZONGXIANafdxfcDENGTONGXINFANGSHI。

体球网完场比分圖1 遠程抄表的用電信息系統的網絡拓撲

圖2 lora通信模塊的總體結構

体球网完场比分BENMOKUAISHEJIZHUYAODEYOUSHISHICAIYONGXINZHULIUDEWULIANWANGWUXIANTONGXINFANGSHIlora,SHIYONGMIANFEIPINDUAN,JUYOUCHENGBENDI,CHUANSHUSHUJUKEKAO,ZUWANGXUNSUBIANJIE[9],XIANGBICHUANTONGDEWUXIANgprs、4g、zigbeeDENGWANGLUO,JUYOUTIANRANDEYOUSHI,ZAICHUANSHUXIAOLVFANGMIAN,loraNENGGOUKUAISUCHUANSHUSHUJU,WANCHENGTONGXINDERENWU。

2 YINGJIANSHEJI

体球网完场比分ateml d20SHIYIZHONGDIGONGHAO、GAOXINGNENG,JIYUQIANRUSHIarm 32WEIDEKONGZHIQI,YUNXINGYU48mhz,BINGYOULIANGJIEDUANDETONGDAO,DANZHOUQIi/oJIERU,DANZHOUQI32×32BEIZENGCHANGSHIJIANXITONGHEYIGEKUAISULINGHUODEZHONGDUANKONGZHIQI,TADEXIAOLVJIGAO,KEYIDADAO2.14HEXINHE93dmips。BINGQIEJICHENGLE16WEIDEtcYUBIJIAO/BUZHUOTONGDAO,KANMENGOUDINGSHIQIDENG,LINGYOUusartQUANSHUANGGONGHEDANXIANBANSHUANGGONGZHUANGBEI、i2c、spiDENG。KEYIMANZUDUOZHONGKEYANDEXUQIUYUYUNYONG。

TONGXINKONGZHIMOKUAIZHUYAOLIYONGatmeld20WEIHEXINKONGZHICHULIQI,QIZHONGZUIZHONGYAOSHITACHUANGXINSHIYONGLECHUANXINGTONGXINMOKUAI(sercom),TASHUYUQUANRUANJIANPEIZHIXING,ZHICHIi2c、usart/uartHEspiTONGXIN,JINGGUOZHENGLI,NENGGOURANGZHONGDUOWAISHEZHUNQUESHIYINGYINGYONGDEXUQIU。GAIZHUANGBEIYOUCHONGDIANLIDIANCHIGONGDIAN。

体球网完场比分DUIYUTONGXINMOKUAIDEXUANZE,YAOSHIYINGWENDING、ZHUNQUE、KEKAOXINGGAODEYAOQIU。BENXINXIXITONGXUANYONGDETONGXINMOKUAISHIf8l10d,GAITONGXINMOKUAIJUYOUDUOGEMIANFEIWUXIANTONGXINPINDUAN,SHIXIANCHAOCHANGTONGXINJULI、KANGGANRAONENGLIQIANG、KEYUANCHENGPEIZHICANSHU、CHAOGAODEJIESHOULINGMINDU,BINGQIEZHICHIlorawanWANGLUORONGLIANGDA、ZUWANGLINGHUO、CHENGBENDI,XIANGMUBUSHUYOUSHIMINGXIANDENGTEDIAN。

DUIYUGEGEXINPIANZHIJIANDEGANRAOYUDIANYAZHIJIANPINGHENGWENTI,WOMENCAIYONGZAImcuHEfbl10dZHIJIANCHUANLIANYIGEGONGMODIANGANl1FANGZHIusbXINHAOCHANSHENGDIANCIGANRAO,BINGQIECHUANLIANr3、r4DIANZUDAOCESHIDIANYIBIANYUDIAOSHI,DIANZUMORENBUTIE。WEILEMANZUusbSHUJUXIANXINHAOWANZHENGXING,YAOQIUl1/r3/r4XUYAOKAOJINMOKUAIFANGZHI。

TONGXINMOKUAIfbl10d DEDIANYAFANWEIZAI3.3~3.6vZHIJIAN,ZAIegsm900MOSHIXIA,SHUNJIANFENGZHIDIANLIUKENENGDADAO2.0a,WEILEYUFANGDIANYADIELUODAO3.3vYIXIA,ZAISHIYONGKAIGUANDIANYUANHUOldoSHIXUYAONENGTIGONGZUGOUDEDIANLIU,YINCIXUYAOZAIMOKUAIGONGDIANDUANJIAYIGERONGZHIDAYU470fDETANDIANRONGHUOZHEDIANJIEDIANRONG。YAOBIKAITIANXIANBUFEN,YIFANGZHIDIANCIGANRAO,ZHEXIESHEJIYOUXIAOJIEJUELESHANGSHUDEYAOQIU。

3 RUANJIANSHEJI

ZAIRUANJIANSHEJISHANGANZHAOSHUNXULIUCHENGGEGEMOKUAIDEPEIZHIANZHAORUXIABUZOUJINXING。SHISHIRENWUDEYOUXIANJISHOUXIANSHIDIANNENGBIAODEdl/t 645TONGXINSHOUFARENWU,JIEXIALAISHIloraDEdl/t 698TONGXINLIUCHENG,RANHOUSHIZHINENGCHAOBIAOHEXUNHUANJIANCEDERENWU,QICISHIdl/t 698XIEYIJIEXIYUZUZHENDEGONGZUODENGRENWU,RUANJIANSHIYONGDESHIiarRUANJIAN,TASHIcBIANYIQI,DAIYOUc/c++BIANYIQIHEDIAOSHIQIDEJICHENGKAIFAHUANJING(ide)、SHISHICAOZUOXITONGHEZHONGJIANJIAN、KAIFATAOJIAN、YINGJIANFANGZHENQIYIJIZHUANGTAIJIJIANMOGONGJUDENG。

ZAIcWENJIANmain()ZHUCHENGXUSHOUXIANZHIXINGmcuNEIHESHIZHONGDEPEIZHI,PEIZHIYUNXINGPINLVHEDISUWAISHEZUIDIPINLV,RANHOUJIEZHUJIXUBIANXIEGUANYUgpio、spi、uart、i2cHEpwmCHUANKOUDENGWAISHE[10],BINGCHUSHIHUATONGXINMOKUAIDESHUJUCUNCHU,TONGGUOYOUHUAMOXING,BINGTONGGUOscoketTAOJIEZIJINXINGTONGXIN,SHIXIANYUANCHENGFUWUQIDELIANJIE。

体球网完场比分DUIXIAMIANDEXIANGFAJINXINGYOUHUADUIZHAO,SHOUXIANWEICHULIQImcuXINPIANYUJIZHONGQIZHIJIANTONGGUOYITAIWANGQUELItcp/ipLIANJIE,JIZHONGQIWEIKEHUDUAN,mcuWEIFUWUQI,JIANLIDIYIZUc/sLIANJIE;WEICHULIQImcuJINGGUOloraTONGXINMOKUAIYUYUANCHENGZHUZHANJIANLItcp/ipLIANJIE,loraXINPIANHEusb3.0ZUHEWEIWEICHULIQIXINPIANDEYIGEXUNIWANGKOU,mcuWEIKEHUDUAN,YUANCHENGZHUZHANWEIFUWUQI,JIANLIDIERZUc/sLIANJIE;mcuBEIDANGZUOZHUZHANFUWUQIHUOQUJIZHONGQIKEHUDUANDESHUJU,BINGMONIJIZHONGQIKEHUDUANXIANGYINGYUANCHENGZHUZHANFUWUQIDESHUJUQINGQIU,WANCHENGJIZHONGQIYUYUANCHENGZHUZHANZHIJIANDESHUJUJIAOHU[。

TU3SUOSHIWEIloraTONGXINMOKUAIYUYUANCHENGZHUZHANTONGXINLIUCHENGTU。

体球网完场比分圖3 lora與遠程主站通信流程圖

loraMOKUAIDECHUSHIHUALIUCHENG:loraMOKUAISHANGDIANHOU,YONGatZHILINGDUIMOKUAIJINXINGCHUSHIHUA,JINGGUOpppXIEYIYUloraWUXIANWANGLUOJINXINGLIANJIE,TONGGUOTAOJIEZIYUYUANCHENGZHUZHANFUWUQIJINXINGtcpLIANJIE,JINGGUOXINTIAOJIANCEYUZHUZHANDELIANJIE。CHUSHIHUAZHIHOU,fbl10dMOKUAIYUZHUZHANTONGGUOscoketJINXINGLIANJIETONGXIN,BENXITONGZHUYAOXUANYONGLIUSHIscoket,ZHUYAOMIANXIANGc/sMOXINGYINGYONGERSHEJI。

socketSUCHENGbsdTAOJIEZI,ZHUYAOSHIXIANCHENGXUJIANDEJINCHENGTONGXIN,ZAIJISUANJIWANGLUOTONGXINZHONGJINGCHANGYONGDAO,ZHUYAOZAICHUANSHUCENGJINXINGSHUJUCHUANSHU。TU4SUOSHIWEISHIYONGXINXINGTONGXINLIANJIELIUCHENGSHIYITU。

圖4 實用新型通信連接流程示意圖

4 SHIYANYANZHENG

XIANDUICIMOKUAILINGMINDU、GONGHAO、TONGXINJULIJINXINGCESHI。CIMOKUAIDEJISHUCANSHUXUANDINGGONGZUOPINLVWEI433mhz,FASHEGONGLVWEI30dbm,DAIKUANWEI125khz,QIANXIANGJIUCUOMALVWEI4/5,SHUJUCHUANSHUSULVSHI4kbit/s。

4.1 JIESHOULINGMINDUCESHI

CISHIYANCAIYONGDESHIPUTONGDEXINHAOYUAN、KEGAIBIANDESHUAIJIANQIHETEDINGDEPINGBIXIANG。JIANGCIMOKUAIFANGZAITEDINGPINGBIXIANGNEI,CISHEBEIDUIYU1.2ghzYIXIADEXINHAONENGPINGBIDAYUE120dbm,YINCICESHIJIEGUOJUYOUYIDINGDEQUANWEIXING。PUTONGDEXINHAOYUANCHANSHENGJIESHOUMOKUAINENGGOUBIANBIEDEDAICEXINHAO,SHUCHUGONGLVKONGZHIZAI+30dbm,JIESHOUMOKUAIRUGUONENGGOUBIANBIEKEBIANSHUAIJIANQIDUIPUTONGXINHAOYUANSHUCHUDEDIAOZHIDESHUAIJIANXINHAO,ZEDUIYINGDEledDENGHUIJINXINGXIANGYINGDESHANSHUO。

ZAISHIYANGUOCHENGZHONGDUIXINZAOBI(snr)、KUOPINYINZI(sf)YUJIESHOULINGMINDUZHIJIANDEGUANXIJINXINGYANJIU。ZUIHOUSHIYANJIEGUOZHENGMING,CIMOKUAIDELINGMINDUDADAOLESHEJIDEYAOQIU。SHUJUXIANSHI,sfDEZHIYUEDA,JIESHOULINGMINDUYUEGAO,snrDEZHIYUEXIAO,JIESHOULINGMINDUYUEGAO,CESHIJIEGUOJIANBIAO1。GONGHAOCESHIJIANBIAO2。

4.2 TONGXINJULICESHI

MOKUAITONGXINJULIDECESHI,SHOUXIANSHIDUIQUYUDEXUANQU,WOMENXUANZEZAIBEIJINGMOUGEXIANGDUIKONGKUANGDEDIFANG,CAIYONGXIANGDUIBIJIAOJIANYIDELIANGGEloraMOKUAI,SHIYONGDESHIDIANDUIDIANTONGXINFANGSHI,FASHEGONGLVANZHAOZUIDAZHISHEDINGDAO30dbm,BINGQIEBAJIESHOUDELINGMINDUSHEDINGDAOZUIHESHIDE138dbm,CIQUYULUBIJIAOBIZHIKUANKUO,LULIANGCEDEJIANZHUWUXIANGDUIBIJIAOSHAO。CESHIDEJULIYUDIUBAOLVDEGUANXIJIANBIAO3。

表1 lora模塊靈敏度測試

表2 功耗測試

表3 lora模塊距離測試與丟包率的情況

ZAIBIAO3ZHONGKEYIKANCHU,DANGTONGXINJULIDAYU8kmSHI,DIUBAOLVDAYU6%,DANGDAYU11kmSHI,DIUBAOLVDAYU18%,HUICHUXIANTONGXINZHONGDUANDEQINGKUANG,FUHECIMOKUAISHEJIDECHUZHONG,FUHEYAOQIU。

JIELUN

体球网完场比分BENWENDUIYUANCHENGZHINENGCHAOBIAOTIXIZHONGJIZHONGQIZHONGTONGXINMOKUAIJINXINGYANJIUYUGAISHAN,ZHUYAOZHENDUITONGXINMOKUAIZHONGYUNYONGZUIXINDEloraWUXIANTONGXINJISHU,JIANGZUIXINDEloraXINPIANYUmcuDEXIANGJIEHE,TIDAICHUANTONGDEWUXIANTONGXINFANGSHI,SHIQIZAISHUJUCHUANSHUWENDINGXING、LINGMINDU、DIUBAOLV、GONGHAODENGFANGMIANDOUYOUSUOTIGAO,FUHEGUOJIATICHUDEZHINENGDIANWANGDEYAOQIU,YEQIEHEZHINENGJIAJUWULIANDEQUSHI,NENGGOUHENHAOMANZUYUANCHENGCHAOBIAOXITONGDEXUQIU。

体球网完场比分YITUOloraWUXIANTONGXINJISHU,HOUMIANKEYIKAOLVZHENDUICITONGXINFANGSHIDEZUWANGSUANFAYIJIDUIXINGYEYINGYONGDEYANJIU。

資訊關鍵詞】:    【打印】【關閉】【返回頂部