| 摘要 |
<p>A method for protecting the data of a pre-payment electric energy meter includes the following steps: sending the data of payment to a user's electric energy meter by a carrier wave of a power line; receiving the data of payment by a carrier wave module of the user's electric energy meter and storing the data to a data storing circuit; and sending the confirm information to the computer for recording meter and selling electricity power to make a check on it. A device of recording meter system includes: a computer for recording the data of the meter and selling electricity power; a recording meter junction station; a carrier wave module; a user's electric energy meter as well as down and up channels, wherein the carrier wave module which is installed together with the user's electric energy meter includes a data storing circuit made up of RA (EEPROM, FRAM) units; and wherein the down and up channels are made up of low-voltage power transmission line. According to the present invention, the distributing, using, measuring and charging of the electric power are all under the control of the computer.</p> |
