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LoRa數據采集高性價比的選擇

發布時間:    來源:宜興市恒通風機有限公司   閱覽次數:61189次

“四(si)(si)(si)(si)表(biao)(biao)(biao)合一(yi)(yi)(yi)”就是(shi)(shi)(shi)(shi)由(you)一(yi)(yi)(yi)個(ge)數(shu)(shu)(shu)據(ju)(ju)平臺(tai)采集(ji)電(dian)(dian)(dian)、水、氣(qi)(qi)(qi)、熱數(shu)(shu)(shu)據(ju)(ju)。該(gai)(gai)建設項目依托智能(neng)(neng)電(dian)(dian)(dian)能(neng)(neng)表(biao)(biao)(biao)和(he)用(yong)(yong)(yong)(yong)電(dian)(dian)(dian)信息(xi)采集(ji)系(xi)統覆(fu)蓋較廣(guang)的(de)(de)(de)采集(ji)終端和(he)通(tong)信資源(yuan),將智能(neng)(neng)水表(biao)(biao)(biao)、智能(neng)(neng)燃(ran)氣(qi)(qi)(qi)表(biao)(biao)(biao)、智能(neng)(neng)熱力(li)表(biao)(biao)(biao)融為一(yi)(yi)(yi)體(ti)(ti),進(jin)行(xing)集(ji)中抄表(biao)(biao)(biao)。儀表(biao)(biao)(biao)數(shu)(shu)(shu)據(ju)(ju)通(tong)過電(dian)(dian)(dian)力(li)通(tong)信通(tong)道傳輸到管理平臺(tai),建立(li)起一(yi)(yi)(yi)套電(dian)(dian)(dian)、水、氣(qi)(qi)(qi)、熱收費繳費、信息(xi)發(fa)布、查詢平臺(tai)。實(shi)現跨行(xing)業用(yong)(yong)(yong)(yong)能(neng)(neng)信息(xi)資源(yuan)共。當前“四(si)(si)(si)(si)表(biao)(biao)(biao)合一(yi)(yi)(yi)”工程是(shi)(shi)(shi)(shi)國家電(dian)(dian)(dian)網公司(si)重點(dian)推動(dong)(dong),利用(yong)(yong)(yong)(yong)電(dian)(dian)(dian)力(li)系(xi)統現有(you)的(de)(de)(de)采集(ji)平臺(tai)實(shi)現水、電(dian)(dian)(dian)、氣(qi)(qi)(qi)、熱等公共事(shi)業數(shu)(shu)(shu)據(ju)(ju)一(yi)(yi)(yi)體(ti)(ti)話的(de)(de)(de)遠(yuan)(yuan)程抄表(biao)(biao)(biao)模式(shi),是(shi)(shi)(shi)(shi)一(yi)(yi)(yi)套科學(xue)適用(yong)(yong)(yong)(yong)的(de)(de)(de)管理新(xin)模式(shi),目的(de)(de)(de)在(zai)于打造新(xin)型(xing)用(yong)(yong)(yong)(yong)能(neng)(neng)服(fu)務(wu)模式(shi)、各(ge)(ge)方(fang)面(mian)支撐智慧城市建設,建設節約型(xing)社會。實(shi)現資源(yuan)共享(xiang),很(hen)大程度(du)降低成本投入(ru)。在(zai)實(shi)現“四(si)(si)(si)(si)表(biao)(biao)(biao)合一(yi)(yi)(yi)”集(ji)抄后(hou),依靠現有(you)的(de)(de)(de)用(yong)(yong)(yong)(yong)電(dian)(dian)(dian)信息(xi)采集(ji)網絡對(dui)(dui)水、氣(qi)(qi)(qi)、熱表(biao)(biao)(biao)數(shu)(shu)(shu)據(ju)(ju)進(jin)行(xing)遠(yuan)(yuan)程抄讀(du),可(ke)以為客戶提(ti)供用(yong)(yong)(yong)(yong)能(neng)(neng)信息(xi),實(shi)現智能(neng)(neng)互動(dong)(dong),并(bing)將極大提(ti)升(sheng)社會公共事(shi)業的(de)(de)(de)服(fu)務(wu)水平,提(ti)升(sheng)居(ju)民用(yong)(yong)(yong)(yong)戶的(de)(de)(de)幸(xing)福數(shu)(shu)(shu)據(ju)(ju)。水、電(dian)(dian)(dian)、氣(qi)(qi)(qi)、暖一(yi)(yi)(yi)直(zhi)是(shi)(shi)(shi)(shi)與市民生活密切(qie)相關的(de)(de)(de)四(si)(si)(si)(si)大重要(yao)能(neng)(neng)源(yuan),以往(wang)居(ju)民所用(yong)(yong)(yong)(yong)的(de)(de)(de)電(dian)(dian)(dian)力(li)、燃(ran)氣(qi)(qi)(qi)、自(zi)來水、暖氣(qi)(qi)(qi)都(dou)是(shi)(shi)(shi)(shi)各(ge)(ge)自(zi)抄表(biao)(biao)(biao),居(ju)民分開(kai)繳費。“四(si)(si)(si)(si)表(biao)(biao)(biao)合一(yi)(yi)(yi)”后(hou),將原(yuan)有(you)的(de)(de)(de)人工抄表(biao)(biao)(biao)升(sheng)級為遠(yuan)(yuan)程自(zi)動(dong)(dong)抄表(biao)(biao)(biao),居(ju)民可(ke)以對(dui)(dui)自(zi)家的(de)(de)(de)電(dian)(dian)(dian)、水、氣(qi)(qi)(qi)、暖使用(yong)(yong)(yong)(yong)情況進(jin)行(xing)實(shi)時了解。對(dui)(dui)導(dao)線覆(fu)冰監測厚度(du)與現場實(shi)測厚度(du)結果進(jin)行(xing)一(yi)(yi)(yi)致性分析,驗(yan)證該(gai)(gai)方(fang)法的(de)(de)(de)可(ke)行(xing)性和(he)準確性。LoRa數(shu)(shu)(shu)據(ju)(ju)采集(ji)高(gao)性價比的(de)(de)(de)選擇(ze)

LoRa數據采集高性價比的選擇,數據采集

智(zhi)能(neng)(neng)水(shui)(shui)(shui)(shui)(shui)表(biao)(biao)(biao)將成為智(zhi)慧水(shui)(shui)(shui)(shui)(shui)務中(zhong)“物聯(lian)網”的(de)(de)(de)先行者并與(yu)智(zhi)能(neng)(neng)電表(biao)(biao)(biao)、熱表(biao)(biao)(biao)、氣表(biao)(biao)(biao)互(hu)聯(lian)互(hu)通(tong),將成為尋常(chang)百姓日(ri)常(chang)生活中(zhong)的(de)(de)(de)“智(zhi)能(neng)(neng)單(dan)元”,既給本(ben)身的(de)(de)(de)生活帶(dai)來無盡的(de)(de)(de)便利(li)與(yu)可能(neng)(neng),也(ye)給國家大政方針(zhen)政策的(de)(de)(de)決(jue)斷(duan)提供可靠的(de)(de)(de)依據。智(zhi)能(neng)(neng)水(shui)(shui)(shui)(shui)(shui)表(biao)(biao)(biao)一般有二種:一是(shi)(shi)(shi)IC卡水(shui)(shui)(shui)(shui)(shui)表(biao)(biao)(biao);二是(shi)(shi)(shi)遠傳水(shui)(shui)(shui)(shui)(shui)表(biao)(biao)(biao)。智(zhi)能(neng)(neng)水(shui)(shui)(shui)(shui)(shui)表(biao)(biao)(biao),不再(zai)是(shi)(shi)(shi)簡單(dan)的(de)(de)(de)收取水(shui)(shui)(shui)(shui)(shui)費(fei)的(de)(de)(de)貿(mao)易結算水(shui)(shui)(shui)(shui)(shui)表(biao)(biao)(biao)。它將是(shi)(shi)(shi)與(yu)物業(ye)管理、配送(song)系統(tong)、網絡金融系統(tong)等(deng)平臺(tai)的(de)(de)(de)相關軟件進一步融合,并發(fa)揮用(yong)戶信息的(de)(de)(de)數據挖掘作用(yong)。就象(xiang)蘋(pin)果手機的(de)(de)(de)定位系統(tong),前景無可估量。

數字(zi)數據(ju)采集輸電網迫切需要準(zhun)確有效(xiao)的(de)預測事情隱藏問題(ti),大(da)幅度減少(shao)破壞性事情發生的(de)次(ci)數、頻度和概(gai)率。

LoRa數據采集高性價比的選擇,數據采集

在(zai)信息(xi)(xi)(xi)(xi)私密(mi)性(xing)方面,方案(an)三(san)中水(shui)、燃(ran)氣(qi)(qi)、熱能(neng)源公(gong)(gong)(gong)(gong)(gong)(gong)司(si)(si)(si)的(de)(de)(de)信息(xi)(xi)(xi)(xi)均要經過電(dian)(dian)力(li)(li)公(gong)(gong)(gong)(gong)(gong)(gong)司(si)(si)(si)的(de)(de)(de)管理平臺。這樣,水(shui)、燃(ran)氣(qi)(qi)、熱能(neng)源公(gong)(gong)(gong)(gong)(gong)(gong)司(si)(si)(si)的(de)(de)(de)信息(xi)(xi)(xi)(xi)對于(yu)電(dian)(dian)力(li)(li)公(gong)(gong)(gong)(gong)(gong)(gong)司(si)(si)(si)而言是完全(quan)透明的(de)(de)(de),無私密(mi)性(xing)可言。這種方案(an)下,會(hui)(hui)導致其(qi)他能(neng)源公(gong)(gong)(gong)(gong)(gong)(gong)司(si)(si)(si)受(shou)制(zhi)于(yu)電(dian)(dian)力(li)(li)公(gong)(gong)(gong)(gong)(gong)(gong)司(si)(si)(si),失去自(zi)身(shen)的(de)(de)(de)完整性(xing)和(he)主(zhu)導性(xing)。由(you)于(yu)其(qi)他能(neng)源公(gong)(gong)(gong)(gong)(gong)(gong)司(si)(si)(si)的(de)(de)(de)信息(xi)(xi)(xi)(xi)均受(shou)電(dian)(dian)力(li)(li)公(gong)(gong)(gong)(gong)(gong)(gong)司(si)(si)(si)掌控,電(dian)(dian)力(li)(li)公(gong)(gong)(gong)(gong)(gong)(gong)司(si)(si)(si)可將(jiang)其(qi)認為可以公(gong)(gong)(gong)(gong)(gong)(gong)開(kai)(kai)的(de)(de)(de)信息(xi)(xi)(xi)(xi)投放到(dao)社(she)會(hui)(hui)公(gong)(gong)(gong)(gong)(gong)(gong)共(gong)網絡,實現信息(xi)(xi)(xi)(xi)的(de)(de)(de)開(kai)(kai)放性(xing)。但(dan)是,這些信息(xi)(xi)(xi)(xi)不一定全(quan)是其(qi)他能(neng)源公(gong)(gong)(gong)(gong)(gong)(gong)司(si)(si)(si)認為可以公(gong)(gong)(gong)(gong)(gong)(gong)開(kai)(kai)的(de)(de)(de),從而導致其(qi)他能(neng)源公(gong)(gong)(gong)(gong)(gong)(gong)司(si)(si)(si)的(de)(de)(de)利益(yi)受(shou)到(dao)損害。另外,由(you)于(yu)其(qi)他能(neng)源公(gong)(gong)(gong)(gong)(gong)(gong)司(si)(si)(si)失去了(le)對其(qi)信息(xi)(xi)(xi)(xi)的(de)(de)(de)主(zhu)導權,其(qi)真正想要投放到(dao)社(she)會(hui)(hui)公(gong)(gong)(gong)(gong)(gong)(gong)共(gong)網絡的(de)(de)(de)信息(xi)(xi)(xi)(xi)卻有可能(neng)在(zai)電(dian)(dian)力(li)(li)公(gong)(gong)(gong)(gong)(gong)(gong)司(si)(si)(si)制(zhi)約下得不到(dao)開(kai)(kai)放。因此,在(zai)方案(an)三(san)中,水(shui)、燃(ran)氣(qi)(qi)、熱能(neng)源公(gong)(gong)(gong)(gong)(gong)(gong)司(si)(si)(si)失去了(le)信息(xi)(xi)(xi)(xi)開(kai)(kai)放與(yu)否的(de)(de)(de)選擇權。

基于生產管理的(de)能效考核(he)和對標:

1、 需求:要實現持續改進節(jie)能,必須著手于(yu)管理(li)節(jie)能

現(xian)狀:操作難度大(da),計算復雜;缺少必要的(de)技術數(shu)據支(zhi)持和比(bi)較的(de)基(ji)準;成本分(fen)攤一刀切

2、解決方案:

模(mo)(mo)塊:能效考核模(mo)(mo)塊、能效對(dui)標模(mo)(mo)塊

特點:根據管理要求靈(ling)活制(zhi)定考核和對標的(de)標準;實時查(cha)看考核及(ji)對標結果,形成良性競爭利于持續(xu)改進

3、系統應用

能耗評估(gu)管理:實現一個(ge)部門,一個(ge)車(che)間等單(dan)位能耗使用合理評估(gu),提(ti)出節能改造(zao)方案

能(neng)耗競爭排名:車間內部和車間之間能(neng)耗對比(bi),實現能(neng)耗排名等;

能效對標:1.于國際或國內(nei)行業**比,判斷節能潛(qian)力(li);2.于全廠(chang)目標對比,查找不足;3.車間內(nei)值班(ban)班(ban)組對比,獎(jiang)優懲(cheng)劣,共(gong)同提高(gao)數據采(cai)集定時上傳(chuan)圖像(xiang),運用(yong)圖像(xiang)識別技(ji)術(shu)可在設備運行有異常(chang)時能及時預警;

LoRa數據采集高性價比的選擇,數據采集

從集(ji)(ji)抄(chao)(chao)系(xi)統建設(she)現(xian)狀考慮,現(xian)在(zai)的(de)能(neng)(neng)源計量數(shu)(shu)(shu)(shu)據(ju)集(ji)(ji)抄(chao)(chao)系(xi)統建設(she),在(zai)電水氣熱(re)四(si)個領域,發(fa)展很不(bu)平衡。電能(neng)(neng)計量數(shu)(shu)(shu)(shu)據(ju)集(ji)(ji)抄(chao)(chao)系(xi)統,全(quan)國已經(jing)安(an)裝三億多(duo)臺終(zhong)(zhong)端,大多(duo)已經(jing)完成較(jiao)(jiao)早MTBF生命周(zhou)期(qi),明年即將(jiang)逐步、分批進(jin)行設(she)備更新(xin)。而(er)其他的(de)水、氣、熱(re)集(ji)(ji)抄(chao)(chao)系(xi)統,基(ji)本(ben)處(chu)于空白,*有極少數(shu)(shu)(shu)(shu)的(de)分散試點。如(ru)(ru)果要建設(she)統一的(de)四(si)表(biao)(biao)集(ji)(ji)抄(chao)(chao)系(xi)統,這(zhe)(zhe)里存在(zai)一個如(ru)(ru)何銜(xian)接(jie)的(de)問題。四(si)表(biao)(biao)集(ji)(ji)抄(chao)(chao)統一建設(she)的(de)主要意義,在(zai)于數(shu)(shu)(shu)(shu)據(ju)采集(ji)(ji)的(de)物理環境,完全(quan)重(zhong)合。如(ru)(ru)果采用(yong)統一信(xin)道(dao),可(ke)以避免重(zhong)復投資。在(zai)我國這(zhe)(zhe)個人口大國,四(si)表(biao)(biao)集(ji)(ji)抄(chao)(chao)終(zhong)(zhong)端數(shu)(shu)(shu)(shu)量極端龐大,如(ru)(ru)果發(fa)生重(zhong)復投資,浪費太大。關(guan)于信(xin)道(dao)選擇(ze),根據(ju)現(xian)有技術分析,無線(xian)信(xin)道(dao)顯(xian)然不(bu)可(ke)取,因為煤(mei)氣表(biao)(biao)、水表(biao)(biao)安(an)裝位置的(de)原(yuan)因,無線(xian)信(xin)道(dao)覆蓋將(jiang)十分困難。低壓載波信(xin)道(dao)是比較(jiao)(jiao)合理的(de)選擇(ze)。而(er)且已經(jing)安(an)裝的(de)電能(neng)(neng)計量數(shu)(shu)(shu)(shu)據(ju)集(ji)(ji)抄(chao)(chao)系(xi)統,絕大多(duo)數(shu)(shu)(shu)(shu)也(ye)已經(jing)采用(yong)了這(zhe)(zhe)條信(xin)道(dao)。數(shu)(shu)(shu)(shu)據(ju)采集(ji)(ji)終(zhong)(zhong)端安(an)裝方便,安(an)裝時(shi)不(bu)影響(xiang)線(xian)路正(zheng)常運行。廣(guang)西信(xin)號量數(shu)(shu)(shu)(shu)據(ju)采集(ji)(ji)

輸電線路故(gu)障定位(wei)在線監測系統 可以根據不同(tong)的(de)故(gu)障特征迅速準確地判(pan)定故(gu)障點。LoRa數據采(cai)集高性價(jia)比的(de)選擇(ze)

近(jin)年來(lai),國(guo)際交直(zhi)流電(dian)(dian)(dian)(dian)(dian)(dian)(dian)能(neng)(neng)計(ji)(ji)量儀(yi)表(biao)(biao)(biao)(biao)、設(she)(she)備(bei)(bei)(bei)、系統(tong)、電(dian)(dian)(dian)(dian)(dian)(dian)(dian)表(biao)(biao)(biao)(biao)箱、計(ji)(ji)量箱、電(dian)(dian)(dian)(dian)(dian)(dian)(dian)力(li)(li)(li)運維設(she)(she)備(bei)(bei)(bei)、智能(neng)(neng)工(gong)廠管理(li)軟(ruan)(ruan)件(jian)(jian)系統(tong)、能(neng)(neng)效管理(li)軟(ruan)(ruan)件(jian)(jian)系統(tong)、物(wu)聯網相(xiang)關(guan)設(she)(she)備(bei)(bei)(bei)和管理(li)軟(ruan)(ruan)件(jian)(jian)系統(tong)、配電(dian)(dian)(dian)(dian)(dian)(dian)(dian)網一、二次設(she)(she)備(bei)(bei)(bei)的(de)技(ji)(ji)(ji)術(shu)開發(fa)、銷(xiao)售及(ji)(ji)相(xiang)關(guan)的(de)技(ji)(ji)(ji)術(shu)咨(zi)詢(xun)、技(ji)(ji)(ji)術(shu)支持服(fu)(fu)務;計(ji)(ji)算機(ji)(ji)軟(ruan)(ruan)、硬件(jian)(jian)的(de)開發(fa)與銷(xiao)售;自(zi)動化配電(dian)(dian)(dian)(dian)(dian)(dian)(dian)設(she)(she)備(bei)(bei)(bei)、充電(dian)(dian)(dian)(dian)(dian)(dian)(dian)設(she)(she)備(bei)(bei)(bei)、電(dian)(dian)(dian)(dian)(dian)(dian)(dian)力(li)(li)(li)設(she)(she)備(bei)(bei)(bei)、自(zi)動化控(kong)制設(she)(she)備(bei)(bei)(bei)、新(xin)能(neng)(neng)源(yuan)設(she)(she)備(bei)(bei)(bei)的(de)設(she)(she)計(ji)(ji)、銷(xiao)售及(ji)(ji)上門(men)安(an)裝(zhuang);提供電(dian)(dian)(dian)(dian)(dian)(dian)(dian)動汽車充電(dian)(dian)(dian)(dian)(dian)(dian)(dian)服(fu)(fu);系統(tong)集(ji)成(cheng)(cheng);射頻識別系統(tong)及(ji)(ji)設(she)(she)備(bei)(bei)(bei)、地理(li)應用(yong)系統(tong)、智能(neng)(neng)變電(dian)(dian)(dian)(dian)(dian)(dian)(dian)站監控(kong)設(she)(she)備(bei)(bei)(bei)、電(dian)(dian)(dian)(dian)(dian)(dian)(dian)力(li)(li)(li)云系統(tong)的(de)技(ji)(ji)(ji)術(shu)開發(fa)、銷(xiao)售 、技(ji)(ji)(ji)術(shu)咨(zi)詢(xun)、自(zi)有成(cheng)(cheng)果(guo)轉讓;計(ji)(ji)算機(ji)(ji)系統(tong)集(ji)成(cheng)(cheng)、銷(xiao)售及(ji)(ji)技(ji)(ji)(ji)術(shu)服(fu)(fu)務;售電(dian)(dian)(dian)(dian)(dian)(dian)(dian)服(fu)(fu)務、節(jie)能(neng)(neng)技(ji)(ji)(ji)術(shu)服(fu)(fu)務、合同能(neng)(neng)源(yuan)管理(li)、電(dian)(dian)(dian)(dian)(dian)(dian)(dian)力(li)(li)(li)工(gong)程設(she)(she)計(ji)(ji)咨(zi)詢(xun)、電(dian)(dian)(dian)(dian)(dian)(dian)(dian)力(li)(li)(li)工(gong)程;國(guo)內貿易,從事貨物(wu)及(ji)(ji)技(ji)(ji)(ji)術(shu)的(de)進出口業(ye)務(法(fa)律、行政(zheng)法(fa)規(gui)、決定規(gui)定在(zai)登記前須(xu)經(jing)批(pi)準(zhun)的(de)項(xiang)目(mu)(mu)(mu)除(chu)外(wai))。市(shi)場的(de)競(jing)(jing)爭日(ri)趨激烈,相(xiang)關(guan)產品價格(ge)已達(da)到幾近(jin)臨(lin)界的(de)地步,除(chu)了特殊(shu)產品之外(wai),一般(ban)通(tong)用(yong)中(zhong)小制造企業(ye)在(zai)發(fa)達(da)地區難以繼續立足。而由于中(zhong)國(guo)在(zai)勞動力(li)(li)(li)成(cheng)(cheng)本(ben)方面(mian)具(ju)有較大優(you)勢,中(zhong)國(guo)市(shi)場已成(cheng)(cheng)為(wei)全(quan)球企業(ye)競(jing)(jing)爭的(de)焦點。而且(qie)(qie)(qie),由于預(yu)(yu)付費(fei)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)表(biao)(biao)(biao)(biao),智能(neng)(neng)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)表(biao)(biao)(biao)(biao),遠(yuan)傳電(dian)(dian)(dian)(dian)(dian)(dian)(dian)表(biao)(biao)(biao)(biao),遠(yuan)程抄表(biao)(biao)(biao)(biao)產品的(de)大部分都(dou)處于戶外(wai)且(qie)(qie)(qie)無(wu)人(ren)值(zhi)守的(de)工(gong)作(zuo)環境,再加上用(yong)戶對相(xiang)關(guan)設(she)(she)備(bei)(bei)(bei)違規(gui)操作(zuo),致使相(xiang)關(guan)的(de)行業(ye)及(ji)(ji)產品也在(zai)面(mian)臨(lin)嚴重(zhong)的(de)安(an)全(quan)問題(ti)。目(mu)(mu)(mu)前銷(xiao)售在(zai)國(guo)內發(fa)展(zhan)時,依舊(jiu)有諸多不便,例如與相(xiang)關(guan)部門(men)、電(dian)(dian)(dian)(dian)(dian)(dian)(dian)網、物(wu)業(ye)等各方所有的(de)申請、協調等工(gong)作(zuo)都(dou)是潛在(zai)問題(ti),并且(qie)(qie)(qie)目(mu)(mu)(mu)前銷(xiao)售市(shi)場還存在(zai)一個重(zhong)大問題(ti)及(ji)(ji)利(li)用(yong)率(lv)較低。根(gen)據調研機(ji)(ji)構IHS的(de)預(yu)(yu)計(ji)(ji),2016年已經(jing)有超過25款(kuan)智能(neng)(neng)手機(ji)(ji)、20款(kuan)智能(neng)(neng)手表(biao)(biao)(biao)(biao)、200種充電(dian)(dian)(dian)(dian)(dian)(dian)(dian)板、150種智能(neng)(neng)手機(ji)(ji)殼和50款(kuan)車型實現了預(yu)(yu)付費(fei)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)表(biao)(biao)(biao)(biao),智能(neng)(neng)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)表(biao)(biao)(biao)(biao),遠(yuan)傳電(dian)(dian)(dian)(dian)(dian)(dian)(dian)表(biao)(biao)(biao)(biao),遠(yuan)程抄表(biao)(biao)(biao)(biao)功能(neng)(neng)。現階段(duan),預(yu)(yu)付費(fei)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)表(biao)(biao)(biao)(biao),智能(neng)(neng)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)表(biao)(biao)(biao)(biao),遠(yuan)傳電(dian)(dian)(dian)(dian)(dian)(dian)(dian)表(biao)(biao)(biao)(biao),遠(yuan)程抄表(biao)(biao)(biao)(biao)技(ji)(ji)(ji)術(shu)已經(jing)跨越初期應用(yong)技(ji)(ji)(ji)術(shu)鴻溝,預(yu)(yu)計(ji)(ji)在(zai)不久的(de)將來(lai)普及(ji)(ji)率(lv)會繼續增(zeng)長。LoRa數據采集(ji)高性價比的(de)選擇

深圳(zhen)市(shi)友先(xian)達(da)電子(zi)有限公(gong)司在(zai)同(tong)行業領域中,一(yi)直(zhi)處(chu)在(zai)一(yi)個不(bu)(bu)(bu)斷(duan)銳意進(jin)取,不(bu)(bu)(bu)斷(duan)制造創(chuang)新的(de)(de)(de)(de)(de)市(shi)場高度,多年以來(lai)致力于(yu)發展(zhan)富有創(chuang)新價(jia)值理念的(de)(de)(de)(de)(de)產品標(biao)準(zhun),在(zai)廣東(dong)省等(deng)地(di)區的(de)(de)(de)(de)(de)電工電氣中始終(zhong)保持良好的(de)(de)(de)(de)(de)商業口碑,成績讓我(wo)(wo)們(men)(men)(men)喜悅,但(dan)不(bu)(bu)(bu)會讓我(wo)(wo)們(men)(men)(men)止步,殘酷的(de)(de)(de)(de)(de)市(shi)場磨煉了(le)我(wo)(wo)們(men)(men)(men)堅強不(bu)(bu)(bu)屈的(de)(de)(de)(de)(de)意志(zhi),和諧溫馨的(de)(de)(de)(de)(de)工作(zuo)環(huan)境,富有營養的(de)(de)(de)(de)(de)公(gong)司土壤滋養著我(wo)(wo)們(men)(men)(men)不(bu)(bu)(bu)斷(duan)開拓創(chuang)新,勇于(yu)進(jin)取的(de)(de)(de)(de)(de)無限潛力,深圳(zhen)市(shi)友先(xian)達(da)電子(zi)供應攜(xie)手大家一(yi)起走向(xiang)共(gong)同(tong)輝煌的(de)(de)(de)(de)(de)未來(lai),回首過(guo)去,我(wo)(wo)們(men)(men)(men)不(bu)(bu)(bu)會因為取得了(le)一(yi)點點成績而沾沾自喜,相(xiang)反(fan)的(de)(de)(de)(de)(de)是(shi)面對競爭越來(lai)越激烈的(de)(de)(de)(de)(de)市(shi)場氛圍,我(wo)(wo)們(men)(men)(men)更(geng)要明(ming)確自己的(de)(de)(de)(de)(de)不(bu)(bu)(bu)足,做好迎接新挑戰的(de)(de)(de)(de)(de)準(zhun)備,要不(bu)(bu)(bu)畏困難,激流勇進(jin),以一(yi)個更(geng)嶄新的(de)(de)(de)(de)(de)精(jing)神面貌迎接大家,共(gong)同(tong)走向(xiang)輝煌回來(lai)!

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最佳回答

不銹剛減壓閥價位

在清 等(deng) 28 人贊(zan)同該回答

在清洗蒸(zheng)汽(qi)(qi)減(jian)(jian)壓閥過程中,如果發現蒸(zheng)汽(qi)(qi)減(jian)(jian)壓閥的某些(xie)部(bu)件(jian)已經損(sun)壞(huai)或磨損(sun)嚴重,就需要及時(shi)(shi)更(geng)(geng)換。常見(jian)需要更(geng)(geng)換的部(bu)件(jian)包(bao)括閥瓣、彈簧、密封圈等。更(geng)(geng)換時(shi)(shi)應選擇與原件(jian)相同規格的零部(bu)件(jian),并(bing)確保安裝正(zheng)確。在蒸(zheng)汽(qi)(qi)減(jian)(jian)壓閥維修 。

保健食品安全評測
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功能(neng)(neng)性食(shi)品:是指具有營養功能(neng)(neng)、感覺功能(neng)(neng)和(he)調(diao)節(jie)生理活動功效的(de)食(shi)品。它的(de)范(fan)圍包括:增(zeng)強人體(ti)體(ti)質增(zeng)強免疫能(neng)(neng)力等(deng))的(de)食(shi)品;防止或者緩解亞健康的(de)食(shi)品;調(diao)節(jie)身體(ti)節(jie)律神(shen)(shen)經(jing)中樞、神(shen)(shen)經(jing)末稍、攝取(qu)與吸收功能(neng)(neng)等(deng))的(de)食(shi)品和(he)延 。

工業干燥設備多少錢
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干(gan)(gan)燥(zao)(zao)(zao)設備國產(chan)(chan)凍干(gan)(gan)機剛剛起(qi)步,質量方(fang)面與國外產(chan)(chan)品還有很大的差距,此外真空冷凍干(gan)(gan)燥(zao)(zao)(zao)的生(sheng)產(chan)(chan)費用也較(jiao)高,這(zhe)是因(yin)為需要維持(chi)較(jiao)高的真空和(-25℃)的低(di)溫,干(gan)(gan)燥(zao)(zao)(zao)時間長,能耗較(jiao)高,這(zhe)些因(yin)素使冷凍干(gan)(gan)燥(zao)(zao)(zao)在(zai)食品工業中使用 。

萍鄉高溫滾噴漆
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滾噴(pen) 等 87 人(ren)贊同該回答

滾噴(pen)漆主要應用于以下方面:1.電(dian)子元件(jian)的(de)制造。滾噴(pen)漆是(shi)電(dian)子元件(jian)制造行業的(de)常(chang)見(jian)涂裝方式。2.維修和維護(hu)。在航空應用領域,滾噴(pen)漆也是(shi)非(fei)常(chang)常(chang)見(jian)的(de)涂裝方式,在延長電(dian)子裝置(zhi)的(de)壽命和保護(hu)其質量方面有重要作(zuo)用。3. 。

貴州隧道防火涂料批發
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飾(shi)面(mian)(mian)型防火(huo)涂(tu)料主要用(yong)于建筑(zhu)物內裝飾(shi)的(de)防火(huo),例如各(ge)種木質底材、纖維板(ban)和(he)紙(zhi)板(ban)及其制品等(deng)可燃(ran)基材以(yi)及金屬表面(mian)(mian)等(deng)。根據防火(huo)、阻燃(ran)原(yuan)理,飾(shi)面(mian)(mian)型防火(huo)涂(tu)料也分為(wei)膨(peng)脹(zhang)型和(he)非膨(peng)脹(zhang)型兩種。鋼結(jie)構防火(huo)保護鋼結(jie)構防火(huo)涂(tu)料的(de)定 。

西吉如何財務外包技術指導
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此時(shi)可以(yi)選(xuan)擇(ze)在具體業(ye)務(wu)(wu)范圍內(nei)部分委托外(wai)包,以(yi)分擔企業(ye)內(nei)部的(de)工作壓力(li),提高效(xiao)率和精度。三、財務(wu)(wu)外(wai)包應注意的(de)問題1.外(wai)包企業(ye)的(de)信譽和實力(li):選(xuan)擇(ze)外(wai)包公司不僅(jin)要看價格和服務(wu)(wu)內(nei)容,更要查看企業(ye)的(de)信譽和實力(li)。企業(ye) 。

浙江杜馬衛浴馬桶服務
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杜(du)馬(ma) 等(deng) 33 人贊同該(gai)回答

杜(du)馬衛浴(yu)(yu),具(ju)有多年生(sheng)產(chan)(chan)衛浴(yu)(yu)潔具(ju)的(de)歷史,是一家(jia)以研發設計、規模化(hua)(hua)生(sheng)產(chan)(chan)、全球化(hua)(hua)營銷為一體的(de)有品質(zhi)智能化(hua)(hua)衛浴(yu)(yu)企業。公司自(zi)成(cheng)立以來(lai),以構建世界家(jia)庭衛浴(yu)(yu)生(sheng)活(huo)為新(xin)概念(nian),主要(yao)產(chan)(chan)品線(xian)有五金(jin)系列、浴(yu)(yu)室(shi)柜系列、簡易(yi)淋浴(yu)(yu)房 。

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第7樓
即(ji)使(shi) 等 16 人贊同該(gai)回答

即使空(kong)調(diao)(diao)能給我們的(de)生活帶來許許多多的(de)方便(bian),但是(shi)不管(guan)是(shi)什么東西用久了以后都(dou)會出現一些較大小小的(de)問(wen)題。比(bi)如說:空(kong)調(diao)(diao)里面的(de)制(zhi)冷機銅管(guan)結(jie)冰(bing)了就(jiu)是(shi)這些問(wen)題中(zhong)的(de)一個。那空(kong)調(diao)(diao)制(zhi)冷機銅管(guan)結(jie)冰(bing)到底是(shi)怎么回事呢?下面就(jiu)讓 。

磁粉供應
第8樓
混凝 等(deng) 73 人(ren)贊同(tong)該(gai)回答

混(hun)凝(ning)(ning)(ning)劑(ji)在污(wu)水處理(li)(li)中有著非常重(zhong)要的(de)作用(yong),混(hun)凝(ning)(ning)(ning)劑(ji)負責(ze)將污(wu)水中穩(wen)定(ding)存在的(de)污(wu)染物失穩(wen),失穩(wen)后的(de)污(wu)染物會(hui)發生凝(ning)(ning)(ning)聚作用(yong),通過絮(xu)凝(ning)(ning)(ning)劑(ji)聚丙烯酰(xian)胺凝(ning)(ning)(ning)聚成礬花分離出去。污(wu)水處理(li)(li)混(hun)凝(ning)(ning)(ning)劑(ji)分為兩大類(lei),一(yi)(yi)類(lei)是無機污(wu)水混(hun)凝(ning)(ning)(ning)劑(ji),一(yi)(yi)類(lei) 。

搪瓷漿式攪拌器廠家
第9樓
將三 等 18 人贊同該(gai)回答(da)

將三個線頭(tou)(tou)分別(bie)用焊錫焊牢,要(yao)求焊頭(tou)(tou)表面光(guang)滑,無毛刺及假焊現象。如果沒有焊牢或不光(guang)滑,應重新焊接。直(zhi)到達到要(yao)求為止。用滌(di)綸絕緣(yuan)膠帶包扎時一定(ding)要(yao)壓(ya)住搪玻璃反應罐(guan)一圈的一半(ban)。半(ban)疊式包扎法)包扎8—12層,包 。

六安美化天線廠家
第10樓
天線 等 84 人贊(zan)同(tong)該(gai)回(hui)答

天線(xian)模型(xing)PCB天線(xian)常見的結(jie)構是倒F天線(xian)天線(xian)的長(chang)度需要(yao)符合(he)傳(chuan)輸信號(hao)的四分(fen)之一(yi)自由空間波(bo)長(chang),才能到達發射和接收轉換效(xiao)率比較(jiao)高,一(yi)起更好發生較(jiao)好輸入阻抗。45GHz信號(hao)的自由空間波(bo)長(chang)為122.45mm,因(yin)而 。

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