Intelligent detection device and method for 400V low-voltage distribution network

A technology of intelligent detection and low-voltage distribution network, applied in the direction of measuring devices, measuring electrical variables, measuring current/voltage, etc., can solve problems such as inconvenient installation by engineers, inability to adapt to installation scenarios, and unsightly appearance.

Pending Publication Date: 2021-07-06
ZHEJIANG HUAYUN INFORMATION TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Existing products have problems: current sampling accuracy is not high, need to puncture, no power calculation, harmonic calculation and topology identification functions
The product is bulky, unable to adapt to some installation scenarios with small spaces, and it is inconvenient for engineering personnel to install
At the same time, the magnetic core material is generally silicon steel or amorphous alloy. If it is exposed to the outdoors for a long time, there will be rust on the cut surface, which will reduce the current accuracy.
At the same time, the connecting wires of the collector and the concentrator are thick and heavy, which is unsightly and inconvenient to install

Method used

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  • Intelligent detection device and method for 400V low-voltage distribution network
  • Intelligent detection device and method for 400V low-voltage distribution network

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Embodiment

[0029] A 400V low-voltage distribution network intelligent detection device, such as figure 1 Shown include:

[0030] The current transformer 1 is used to provide data information on the current and voltage of the power grid; the voltage and current sampling circuit 2 is connected to the current transformer to collect the voltage and current data of the current transformer; the single-chip microcomputer 3 is used to convert the voltage and current The data is stored and analyzed, and the analysis result information is sent to the remote device; the remote device 4 is used to receive the analysis result information sent by the single-chip microcomputer, and control the working state of the single-chip microcomputer. The main body of the 400V low-voltage distribution network intelligent detection device is made of anti-rust permalloy material, with a snap-in structure, easy to install and operate, and can be installed without power failure.

[0031] This solution collects the c...

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PUM

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Abstract

The invention discloses an intelligent detection device for a 400V low-voltage distribution network, which solves the defects in the prior art, and comprises: a current transformer for providing data information of current and voltage of a power grid; a voltage and current sampling circuit which is connected with the current transformer and is used for collecting voltage and current data of the current transformer; a single chip microcomputer which is used for storing and analyzing the voltage and current data and sending analysis result information to remote equipment; and far-end equipment which is used for receiving the analysis result information sent by the single-chip microcomputer and controlling the working state of the single-chip microcomputer.

Description

technical field [0001] The invention relates to the technical field of electric power detection, in particular to an intelligent detection device and method for a 400V low-voltage distribution network. Background technique [0002] With the transformation of the electricity market from a seller's market to a buyer's market, the economic benefits of the power sector will increasingly depend on the level of detail in the management of all aspects of power supply and consumption. One of the effective ways of economic operation level. Existing products, the design of the collector, adopts the clamping installation method, no need to cut off the power, and the puncture is used to obtain power. The voltage, current and temperature signals of the collection cables are sent to the concentrator. [0003] The problems of existing products are: the accuracy of current sampling is not high, puncture is required, and there is no function of power calculation, harmonic calculation and t...

Claims

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Application Information

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IPC IPC(8): G01R22/06G01R19/00
CPCG01R22/06G01R19/00
Inventor 陈耀军陈士云李鹏何敬翔周青青盛晓燕
Owner ZHEJIANG HUAYUN INFORMATION TECH CO LTD
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