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Multi-step charging electricity meter device

A staged, electric meter technology, applied in special billing instruments and other directions, can solve the problems of inaccurate metering and poor anti-interference, and achieve the effect of accurate tiered billing, reliable operation, and realization of tiered billing.

Inactive Publication Date: 2012-09-26
BEIJING HUAYU HONGBO TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to provide a step-by-step billing meter device with strong anti-interference and accurate measurement in view of the above-mentioned deficiencies such as poor anti-interference and inaccurate measurement of existing prepaid electric energy meters

Method used

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  • Multi-step charging electricity meter device

Examples

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Embodiment Construction

[0018] Specific embodiments of the present invention: such as figure 1 Shown: a staged charging meter device, the electric energy meter circuit includes a power supply circuit, a metering circuit, a communication circuit, and an MCU circuit, and the power supply circuit includes an MCU power supply circuit, a metering power supply circuit, and an RS485 communication power supply The circuit has three independent circuits; the metering circuit includes a metering chip circuit connected with the MCU, and the measured voltage pickup circuit and the measured circuit pickup circuit respectively connected to the metering chip circuit; the communication circuit includes The communication channel switching circuit bidirectionally connected with the MCU and the RS485 communication channel and the infrared communication channel bidirectionally connected to the communication channel switching circuit; the MCU circuit includes a battery undervoltage detection circuit and a system power failu...

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PUM

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Abstract

The invention relates to a multi-step charging electricity meter device control system, comprising a program initialization module, a clock and display refreshing and processing module, a communication frame command processing module, an electricity quantity computation, storage and settlement processing module, wherein the electricity quantity computation, storage and settlement processing module comprises an electricity quantity decimal event and an electricity quantity integral event; the clock and display refreshing and processing module comprises a second event, a minute event, a half-hour event, and an hour event; and the communication frame command processing module comprises a communication receiving frame event and a communication sending frame event. The multi-step charging meter device provided by the invention is a soul of a prepaid multi-step electricity pricing watt-hour meter system, a nerve center of the system, and a command and control center of the whole system. The whole system can be ensured to run correctly and reliably by adopting the control system of the invention, and accurately multi-step charging is realized.

Description

Technical field [0001] The invention relates to an electric power measuring device, in particular to a control system of a stepped electricity price electric energy meter. Background technique [0002] The existing prepaid meters include contact card type and non-contact type. Among them, the contact card meter consists of various methods such as magnetic card, electrical card and CPU card, and its main feature is to complete information exchange by combining various cards with card insertion machines to transfer information to each other. Contact card meters are mostly used in civilian single-phase circuit systems, where it is convenient for card operation. However, for three-phase power supplies with large usage, the meter is installed in a sealed metering cabinet and power distribution cabinet. The metering cabinet and power distribution cabinet may also be installed near the source of high-voltage power lines or high on the poles. Difficulties exist in operation, safety and...

Claims

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Application Information

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IPC IPC(8): G01R11/57
Inventor 刘方升
Owner BEIJING HUAYU HONGBO TECH
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