Electric quantity synchronous processing-based intelligent electric energy meter dual core communication method

A smart energy meter and synchronous processing technology, applied in the field of communication, can solve problems such as address redundancy, difficulty in achieving dual-core electric power synchronous processing, and affecting communication speed, etc., to achieve the effect of simple communication

Inactive Publication Date: 2017-01-11
NINGBO SANXING MEDICAL & ELECTRIC CO LTD
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Problems solved by technology

As a result, the IR46 standard issued by the International Legal Metrology Organization requires: "The legal measurement part (electric energy measurement data and clock data) is not affected by other parts", and the dual-core smart energy meter came into being. The measurement core is responsible for measuring electricity consumption. The management cor

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  • Electric quantity synchronous processing-based intelligent electric energy meter dual core communication method
  • Electric quantity synchronous processing-based intelligent electric energy meter dual core communication method
  • Electric quantity synchronous processing-based intelligent electric energy meter dual core communication method

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Embodiment Construction

[0006] Below in conjunction with embodiment the present invention is described in further detail.

[0007] This preferred embodiment is a communication method between two cores of a smart electric energy meter based on power synchronous processing, including a metering core and a management core, and the management core and the metering core are connected through an SPI interface (Serial Peripheral Interface, Serial Peripheral Interface). The management core is the main SPI, and the metering core is the slave SPI. The communication signals between the management core and the metering core include: clock signal SCLK, slave device enable signal CS, master input / slave output signal MISO, master output / slave input Signal MOSI. The communication frame between the management core and the metering core is composed of frame start character, control code, data field length, data field, check code and end character. The format of the communication frame is as follows. Make point-to-poi...

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Abstract

The invention discloses an electric quantity synchronous processing-based intelligent electric energy meter dual core communication method. A master SPI management core and a slave SPI metering core are connected via an SPI interface; a communication frame between the management core and the metering core consists of a frame start character, a control code, a data field length, a data field, a checking code and an ending character; the data field comprises data markers of electric energy meter data items that need to be read; the intelligent electric energy meter dual core communication method is advantageous in that an SPI communication protocol is built between the electric energy meter management core and the metering core, the communication frame is free from address redundancy, the electric energy meter data items that are needed are read according to the data markers, communication between the management core and the metering core is enabled to be simple and highly efficient, and electric quantity metering of the management core and the metering core can be synchronized.

Description

technical field [0001] The invention relates to a communication method, in particular to a communication method between two cores of an intelligent electric energy meter based on electric quantity synchronous processing. Background technique [0002] With the advancement of Internet technology, people's daily life is gradually changing. Among them, the development of electrical appliances is changing with each passing day, the electricity consumption has increased significantly, the proportion of electricity bills in daily expenses has increased significantly, and the accuracy requirements for electricity metering are gradually increasing. As a result, the IR46 standard issued by the International Legal Metrology Organization requires: "The legal measurement part (electric energy measurement data and clock data) is not affected by other parts", and the dual-core smart energy meter came into being. The measurement core is responsible for measuring electricity consumption. Th...

Claims

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Application Information

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IPC IPC(8): G01R22/06G06F13/42
CPCG01R22/063G06F13/4291Y02D10/00
Inventor 何昂胡志刚杜小涛王雷刘俊许大帅程雪利
Owner NINGBO SANXING MEDICAL & ELECTRIC CO LTD
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