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Electric energy measurement and automatic meter reading system for residential area

A technology for electric energy metering and automatic meter reading, applied in electrical signal transmission systems, signal transmission systems, instruments, etc., can solve problems such as high equipment cost, poor real-time performance, complex data processing, etc., and achieve reduced wiring engineering and safe high-speed wireless connection Effect

Inactive Publication Date: 2018-11-23
FUZHOU ZHUNDIAN INFORMATION TECH CO LTD
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Problems solved by technology

[0004] The detection of TW A CS signals is mainly based on time-domain difference technology. Most of these methods have complex data processing, poor real-time performance, and high equipment costs. In order to determine whether the signal bit is "1" or "0", due to the rigor of the calculation, the interference signal will seriously affect the judgment result of the detected signal, so the original method is difficult to apply in our country

Method used

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  • Electric energy measurement and automatic meter reading system for residential area
  • Electric energy measurement and automatic meter reading system for residential area

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Embodiment Construction

[0052] The block diagram of the circuit structure of an automatic meter reading system for electric energy metering in residential areas is as follows: figure 2 shown. It consists of a centralized controller and multiple data collectors. The centralized controller is composed of a signal sending terminal A, a signal receiving terminal B, a keyboard display module 10 , a 4G wireless router 2 and a microcontroller module 1 . The data collector is composed of a signal sending terminal A, a power meter 11, a signal receiving terminal B and a microcontroller module 1, and the centralized controller communicates with the data collector through the power line. The terminal is the computer management system located on the top layer, which is composed of 4G wireless router, microcontroller module and computer.

[0053] The hardware structures of the power line communication signal sending end A, signal receiving end B, microcontroller module 1 and power supply module 4 in the centra...

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Abstract

The invention relates to an electric energy measurement and automatic meter reading system for a residential area. A broad pulse signal is sent to a specific point of a cycle voltage 0-exceeding region of a power grid by utilizing a centralized controller and data acquisition units through a power line communication method, so as to generate mutation current; the mutation current is used as a bitvalue of the signal; data acquired by each data acquisition unit is received by the centralized controller and is accessed into a 4G mobile wireless communication network through a wireless router, sothat wireless networking can be realized by utilizing a mobile phone, a computer and handheld mobile equipment at any where.

Description

(1) Technical field: [0001] The invention relates to an automatic meter reading system for electric energy measurement in a residential area, which includes a centralized controller and a data collector, and uses a power line communication method to send a wide pulse signal to a specific point in the grid cycle voltage crossing 0 to generate a sudden change current, which is used as a bit of the signal. The centralized controller receives the data collected by each data collector, and accesses the 4G mobile wireless communication network through a wireless router, so that no matter where you are, you can use mobile phones, computers and handheld mobile devices to realize wireless networking. (two) background technology: [0002] Current power line communication mainly refers to power line carrier communication and two-way power frequency communication. Power line carrier communication PLC uses the existing power line to transmit signals through carrier wave. However, the di...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G08C19/00G08C17/02
CPCG08C17/02G08C19/00
Inventor 张金木
Owner FUZHOU ZHUNDIAN INFORMATION TECH CO LTD
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