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Operation error monitoring device for electric energy meter in meter box

A monitoring device and meter technology, applied in the direction of measuring devices, measuring electrical variables, instruments, etc., can solve the problems of increased inspection workload and inspection time, high labor costs, and achieve the effect of high-efficiency online monitoring

Active Publication Date: 2022-01-18
STATE GRID ZHEJIANG ELECTRIC POWER CO MARKETING SERVICE CENT
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  • Application Information

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Problems solved by technology

The labor cost of this verification method is relatively high, and a single metering point generally requires 1-2 on-site personnel to operate, and professional high-precision measuring equipment is also required to assist in the inspection. , it will inevitably bring about the geometric multiple increase of inspection workload and inspection time

Method used

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  • Operation error monitoring device for electric energy meter in meter box
  • Operation error monitoring device for electric energy meter in meter box
  • Operation error monitoring device for electric energy meter in meter box

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Embodiment Construction

[0041] The present invention will be described in further detail below in conjunction with the accompanying drawings and embodiments.

[0042] This embodiment provides a device for monitoring the operation error of the electric energy meter in the meter box. The device is installed on the bus side inside the branch meter box, such as figure 1 shown.

[0043] The structural block diagram of the energy meter operation error monitoring device in the meter box is as follows: figure 2 As shown, it includes a pre-data acquisition unit, a metering chip calculation unit, a main control core calculation unit, a local data communication unit, a local data storage unit and a data transmission unit.

[0044] The front-end data acquisition unit collects the original data on the bus side of the branch meter box, and uses the metering chip calculation unit to calculate the real-time energy consumption data on the bus side, and then the metering chip calculation unit communicates with the e...

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Abstract

The invention discloses an operation error monitoring device for an electric energy meter in a meter box. The monitoring device is installed on the bus side in a branch meter box and comprises a front data acquisition unit, a metering chip calculation unit, a main control core calculation unit, a local data communication unit and a data transmission unit, and the front data acquisition unit acquires original data on the bus side of the branch meter box, and calculates bus-side real-time energy consumption data by using the metering chip calculation unit, the metering chip calculation unit communicates with the data of the electric energy meter in the meter box through the local data communication unit, acquires the frozen electric energy data of the electric energy meter in the meter box, and calculates the operation error of the electric energy meter, and locally transmits the calculation result or uploads to a remote server through the data transmission unit. According to the invention, high-timeliness on-line monitoring of the metering error of the electric energy meter in the metering box is realized by utilizing the existing data metering system architecture and additionally arranging the operation error monitoring equipment in the branch metering box.

Description

technical field [0001] The invention relates to the field of on-line monitoring of the operating error of the electric energy meter in the branch metering box of the low-voltage station area, specifically a device suitable for monitoring the operating error of the electric energy meter in the branch metering box. The metering data of the electric energy meter can calculate the operating error of the electric energy meter in the branch metering box in real time, and provide online monitoring for the operating error of the electric energy meter in the metering box. Background technique [0002] In the power system, the measurement of electric energy and the settlement of electricity charges are mainly realized through metering equipment. The wide application of smart energy meters is one of the important indicators of the intelligence of the power industry. With the popularization of smart energy meters, the measurement of equipment is accurate. The status monitoring of techni...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01R35/04
CPCG01R35/04
Inventor 姚力王佳颖袁健胡瑛俊张宏达李熊
Owner STATE GRID ZHEJIANG ELECTRIC POWER CO MARKETING SERVICE CENT
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