NB-IoT則很好的解決了GPRS抄表方案所面臨的難題。NB-IoT抄表在功能上繼承了GPRS的同時,比起2G/3G/4G有了50-100倍的上行容量提升,這也就意味著,在同一基站覆蓋范圍下,NB-IoT可比現(xiàn)有無線技術(shù)提供50-100倍的接入數(shù)。這對于裝表量比較密集的小區(qū)無疑是一個更好的選擇。
基于NB-IoT的智能抄表系統(tǒng)主要由帶有NB-IoT模塊的水氣表、基站、NB-IoT核心網(wǎng)、NB-IoT管理平臺、客戶端網(wǎng)絡(luò)管理系統(tǒng)、集抄管理系統(tǒng)等構(gòu)成。水氣表將采集的水氣用量信息和自身狀態(tài)信息上傳至NB-IoT核心網(wǎng)和物聯(lián)網(wǎng)云平臺,同時也可以接收來自云平臺的控制信息??蛻舳司W(wǎng)絡(luò)管理系統(tǒng)從NB-IoT管理云平臺獲取抄收到的居民用水/氣信息,監(jiān)控各居民的實時使用情況,水氣公司通過監(jiān)測到的數(shù)據(jù),可對用戶的用水、氣進行實時階梯調(diào)價控制,向居民推送每月的使用量和扣費等情況。
全球的半導(dǎo)體解決方案供應(yīng)商瑞薩電子株式會社與全球的步進電機供應(yīng)商美蓓亞三美株式會社宣布,聯(lián)合開發(fā)基于旋轉(zhuǎn)變壓器(角度傳感器)的步進電機和電機控制解決方案,并面向機器人、辦公自動化(OA)設(shè)備,以及醫(yī)療/護理設(shè)備進行了優(yōu)化。瑞薩電子與美蓓亞三美攜手開發(fā)的基于旋轉(zhuǎn)變壓器傳感器的步進電機和電機控制解決方案,可滿足電動機更高精度控制、小型化以及應(yīng)對環(huán)境影響更強抵抗力的需求。
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