Carrier data safety protection method and recording system device of pre-payment meter

A prepaid electric energy meter and data security technology, applied in the direction of measuring devices, special billing meters, measuring electrical variables, etc., can solve the problem of no information feedback channel, large security loopholes in data information, and the inability to fundamentally avoid external attacks, etc. problems, to achieve the effect of avoiding user disputes, solving the difficulty of charging, and solving the difficulty of meter reading
CN1560638AInactive Publication Date: 2005-01-05齐长远
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
齐长远
Publication Date
2005-01-05
Estimated Expiration
Not applicable · inactive patent

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Abstract

The invention is a data security protection and meter reading system device for an advance payment ammeter. When the user pays for electricity, the worker sends the electricity purchasing data to user ammeter through electric wire directly; the user ammeter carrier model receives the data, stores it into the electricity purchasing data memory circuit with determined format, and returns the affirmance information to the meter reading electricity sale computer through electric wire to be checked. The system is made up of meter reading electricity sale computer, meter reading collector, carrier of data memory circuit containing nonvolatile RAM device, user ammeter assembled together with the carrier model, a downstream channel and a upstream channel made up of low voltage electricity supplying circuit.
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Description

technical field

[0001] The invention belongs to electric energy metering, control and charge management technology, in particular, it uses the power line carrier as the information channel to carry out centralized meter reading and charging, and realizes the prepayment function on each user's electric energy meter, so as to protect data information security and avoid external malicious attacks. Decentralized control management system. Background technique

[0002] The metering and charging of electric energy is currently mostly done by installing electric energy meters at the power supply entrance of each user, full-time meter reading personnel come to the door to read the meter regularly, and then each user pays the fee at the toll office. This method is time-consuming and labor-intensive, and errors caused by various reasons are unavoidable. Due to the lack of effective monitoring measures to pay electricity bills, many power supply companies or property companies have mo...

Claims

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