{"id":3990,"date":"2021-12-06T01:45:15","date_gmt":"2021-12-06T01:45:15","guid":{"rendered":"https:\/\/www.ahotech.com\/?page_id=3990"},"modified":"2021-12-06T01:45:16","modified_gmt":"2021-12-06T01:45:16","slug":"nb-iot-alymittariprojektin-tapaus","status":"publish","type":"page","link":"https:\/\/www.ahotech.com\/fi\/nb-iot-smart-meter-project-case\/","title":{"rendered":"NB-iot-\u00e4lymittariprojektin tapaus"},"content":{"rendered":"

Kiinan kaupunkien modernisaation kiihtyess\u00e4 veden, l\u00e4mm\u00f6n, s\u00e4hk\u00f6n, kaasun ja muiden energial\u00e4hteiden hintojen uudistus on ollut viime vuosina Keski-taloudellisen ty\u00f6konferenssin keski\u00f6ss\u00e4.<\/p>\n\n\n\n

\"akku<\/figure>\n\n\n\n

NB-iot on nouseva viestint\u00e4teknologia esineiden internetin alalla, ja se on uusi kapeakaistainen matkapuhelinverkkoon perustuva LPWAN-teknologia (Low power Wide Area Network). Sen etuna on laaja peittoalue, alhainen virrankulutus, alhaiset kustannukset, suuri yhteyskapasiteetti ja korkea turvallisuus. Se soveltuu pitk\u00e4n matkan, alhaisen virrankulutuksen ja monip\u00e4\u00e4tteiden esineiden internet -palveluihin, ja sill\u00e4 on laaja valikoima sovellusmahdollisuuksia.<\/p>\n\n\n\n

NB-iot-teknologiasopimus hyv\u00e4ksyttiin 3GPP:n langattoman verkkoyhteyden (RAN) teknisten eritelmien ty\u00f6ryhm\u00e4n kokouksessa 16. kes\u00e4kuuta 2016, ja standardointi saatiin onnistuneesti p\u00e4\u00e4t\u00f6kseen, mik\u00e4 osoittaa, ett\u00e4 NB-iot siirtyy pian kaupalliseen vaiheeseen. \u00c4lyk\u00e4st\u00e4 vesi-, kaasu-, l\u00e4mp\u00f6- ja s\u00e4hk\u00f6mittaria edistet\u00e4\u00e4n laajalti, koska se mahdollistaa reaaliaikaisen energianmittauksen, et\u00e4mittarin lukemisen, et\u00e4maksun ja muita toimintoja. N\u00e4iss\u00e4 mittareissa k\u00e4ytet\u00e4\u00e4n yleisesti litium-akkuja tai IoT-akkuja k\u00e4ytt\u00f6- ja varavirtal\u00e4hteen\u00e4. Samaan aikaan virtausmittarit, kaasumittarit ja muut \u00e4lykk\u00e4\u00e4t instrumentit siirtyv\u00e4t v\u00e4hitellen kertak\u00e4ytt\u00f6isiin litium-akkuihin pitk\u00e4n k\u00e4ytt\u00f6i\u00e4n vaatimusten t\u00e4ytt\u00e4miseksi. Voidaan sanoa, ett\u00e4 \u00e4lykk\u00e4iden instrumenttien kehityksell\u00e4 tulevaisuudessa on yh\u00e4 l\u00e4heisempi ja erottamattomampi suhde kertak\u00e4ytt\u00f6isiin litium-akkuihin.<\/p>\n\n\n\n

\"Yhdist\u00e4<\/figure>\n\n\n\n

<\/p>","protected":false},"excerpt":{"rendered":"

With the acceleration of China’s urban modernization, the reform of water, heat, electricity, gas and other energy prices has been the focus of the Central Economic Work Conference in recent years. 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