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Acquisition method for residential electricity information

A technology for information collection and residential electricity consumption, applied in non-electrical signal transmission systems, measurement of electrical variables, signal transmission systems, etc., to achieve high maturity, easy maintenance, and high reliability

Active Publication Date: 2011-09-21
NINGBO JIANAN ELECTRONICS
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  • Abstract
  • Description
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AI Technical Summary

Problems solved by technology

[0003] In order to overcome the above-mentioned shortcomings caused by the RS485 line communication method used in the existing residential electricity information collection system, the present invention provides a residential electricity information collection method using infrared communication, thereby solving the problem of collectors and electric energy in the electricity information collection system. Convenience communication problem between tables

Method used

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Embodiment Construction

[0013] The present invention will be further described in detail below in combination with specific embodiments.

[0014] A method for collecting residential electricity information, comprising the following steps:

[0015] Set several infrared extension brackets in the electric energy meter box, and install infrared receiving circuits and infrared emitting circuits on the infrared extension brackets;

[0016] The drive command with address information is modulated by the 38KHz infrared carrier frequency modulation circuit, and the drive command with address information is modulated into a drive infrared signal to be emitted through the infrared emission circuit on the infrared extension bracket;

[0017] Configure a unique address code on the electric energy meter with modulated infrared communication. After the electric energy meter receives the above-mentioned drive infrared signal with address information, it first compares the address information with its own address code...

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Abstract

The invention discloses an acquisition method for residential electricity information, which comprises the following steps: arranging a plurality of infrared extension brackets in an electric energy meter box and arranging infrared receiving circuits and infrared transmission circuits on the infrared extension brackets; modulating a drive instruction with address information by using a 38kHz infrared carrier-frequency modulation circuit and transmitting the drive instruction through the infrared transmission circuits; configuring a unique address code on an electric energy meter with modulated infrared communication; comparing the address information with the address code of the electric energy meter after the electric energy meter receives a drive infrared signal; modulating the collected residential electricity information into an electricity information infrared signal and transmitting the electricity information infrared signal if the address information is consistent with the address code of the electric energy meter; receiving the electricity information infrared signal by the infrared receiving circuits and demodulating the electricity information infrared signal into a digital signal; carrying out signal amplification and filter denoising processing on the digital signal and then feeding the processed digital signal to an MCU (Microprogrammed Control Unit) for recording; and instructing the electric energy meter in the infrared signal coverage range of a certain infrared extension bracket by the MCU instructed by the 38kHz infrared carrier-frequency modulation circuit. By adopting the method, the wiring is avoided and the communication is convenient.

Description

(1) Technical field [0001] The invention relates to a method for collecting residential electricity information. (2) Background technology [0002] At present, the residential electricity information collection system generally adopts the connection mode from the electric energy meter to the collector, then to the concentrator, and finally to the main station. Among them, RS485 communication is adopted between the energy meter and the collector, power line carrier or wireless communication is used between the collector and the concentrator, and public network communication methods such as GPRS / CDMA are used between the concentrator and the master station. Residential electricity consumption information collection generally adopts RS485 line communication (a kind of bus control) to realize the collection of electricity consumption information. However, there are indeed some problems in the above communication methods: 1. Difficulty in debugging: On the one hand, there are in...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G08C23/04G01R22/00
Inventor 龙翔林杨峻松章恩友
Owner NINGBO JIANAN ELECTRONICS
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