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预付费IC卡电表因其能有效遏制庞大的用户群拖欠电费现象,已广泛使用。但目前IC卡电表的推广仍存在四个问题:其一,预付费IC卡电表是利用单片机完成的,一旦人为外力使电表损坏,或死机,则电表瘫痪,无法实现预付费控制,会造成不可估量的经济损失。其二,预付费为预估的均价乘以预购电量的值,实际电费由电度电费、力调电费、基本电费构成,实际的结算是以营销管理人员抄见电量为准,二者结算方式不一致,
Prepaid IC card meter because it can effectively curb the phenomenon of large user groups arrears electricity has been widely used. However, there are still four problems in the popularization of IC card meters. First, the prepaid IC card meter is implemented by a single chip microcomputer. Once an external force causes the meter to be damaged or crashes, the meter is disabled and the prepaid control can not be realized, Estimated economic loss. Second, the prepaid fee is the estimated average price multiplied by the value of pre-purchased electricity, the actual electricity from the electricity tariffs, power tariffs, the basic electricity constitute the actual settlement is the marketing manager copy see electricity prevail, the two settle Inconsistent way