为什么IC卡电表还有余额就停电?

显示还有50多度呢就停电了!会不会越来越多~~~
2025-04-07 03:24:31
推荐回答(4个)
回答1:

因为电表是预付费卡表,预付费卡表都有一个出厂设置,当表计电量还有20度(不同厂家或供电局设置不一样,一般都是10元)时会断电一次,提醒用户该预存电费了,此时只需要将点卡插入电表中就会将表计中的开关合上,恢复供电。

这种应急功能是现在新推出的便民措施,现在所有ic卡智能电表加装“透支”功能后,用户没电后只需将购电卡反插就行了,而这10元的电费将在下一次交钱时自动扣除。



扩展资料:

IC卡是集成电路卡,IC卡芯片具有写入数据和存储数据的能力,可对IC卡存储器中的内容进行判定。

在卡上封装有符合ISO标准的芯片,有6~8个触点和外部设备进行通信,在IC卡上可以有彩色图案和说明性文字按ISO标准,IC卡的部分触点及其定义为:VCC:IC卡工作电源;

GND:接地;VPP:存储器编程电源;CLK:有关信号的定时与同步;I/O:卡中串行数据的输入与输出;RST:复位信号。当IC卡插入IC卡读卡器后,各接点对应接通,IC卡上的超大规模集成电路就开始工作。

参考资料:百度百科——IC卡

回答2:

这个是设置的事情,为了提醒用户余电不多要充电了,你在查一下就来电了,不过用完50°就没有电要及时充电,每次到50度电的时候都会跳的

回答3:

是单位还是家庭电表?如果是家庭电表找供电部门,也许他们设置有误。

回答4:

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