關于(yu)電子遠傳智能水(shui)表的(de)供電(dian)(dian)類(lei)型,主要(yao)可(ke)(ke)以(yi)采用(yong)以(yi)下三(san)種(zhong)不同(tong)類(lei)型的(de)電(dian)(dian)源:(1)外部直流電(dian)(dian)源;(2)不行替(ti)換電(dian)(dian)池;(3)可(ke)(ke)替(ti)換電(dian)(dian)池。這三(san)種(zhong)電(dian)(dian)源可(ke)(ke)以(yi)獨立使用(yong),也(ye)可(ke)(ke)以(yi)組合使用(yong)。
1、外部(bu)電源:
當電(dian)(dian)子遠傳智(zhi)能水(shui)表(biao)的供(gong)電(dian)(dian)類(lei)型為外部電(dian)(dian)源供(gong)電(dian)(dian)時,應(ying)確保外部電(dian)(dian)源供(gong)電(dian)(dian)可以滿(man)足(zu)如(ru)下幾點要求:
(1)外部電(dian)(dian)源(yuan)應采用輸出電(dian)(dian)壓不(bu)超越36V的(de)直流(liu)電(dian)(dian)源(yuan);
(2)電子設備的(de)規劃應確(que)保外部(bu)電源產生故障時,故障前(qian)的(de)內存數據不丟失,而且(qie)至少在(zai)一年內仍(reng)能(neng)讀取;
(3)電源(yuan)中止不該影響電子遠(yuan)傳(chuan)智能水表的其(qi)它功能和參數;
(4)電源應(ying)可以避免被擅自拔弄。
2、不(bu)行替換(huan)電池(chi):
當電子(zi)遠傳智能水表的供電類型為不行(xing)替換(huan)電池供電時,應確保電池的額外工作(zuo)壽數滿足下表的要求:
3、可替換電池:
當電(dian)(dian)(dian)子遠傳智能水表(biao)的供電(dian)(dian)(dian)類型(xing)為可替換(huan)電(dian)(dian)(dian)池供電(dian)(dian)(dian)時(shi),應確保替換(huan)電(dian)(dian)(dian)池時(shi)要(yao)滿足一下幾點要(yao)求:
(1)當電(dian)源為可替換(huan)電(dian)池時,應對(dui)電(dian)池的替換(huan)做出明確規(gui)定(ding);
(2)電子遠傳智能水表上應標(biao)明(ming)電池(chi)的替換日期(qi)和(he)替換用的電池(chi)標(biao)準,并(bing)為電池(chi)替換后標(biao)明(ming)下一(yi)次替換日期(qi)提供條件(jian);
(3)替(ti)換(huan)電(dian)(dian)池時(shi)的(de)電(dian)(dian)源(yuan)中止不(bu)該影響電(dian)(dian)子遠(yuan)(yuan)傳智(zhi)能水表的(de)其它功(gong)能和(he)參數。此(ci)要求并(bing)不(bu)一定確(que)保在替(ti)換(huan)電(dian)(dian)池時(shi)電(dian)(dian)子遠(yuan)(yuan)傳智(zhi)能水表能繼續記載消費水量(liang);
(4)替換電池可(ke)采用(yong)不必損壞法定計量(liang)封印的方(fang)法。
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