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Intelligent leakage detection and protection device

A leakage detection and protection device technology, which is applied to emergency protection circuit devices, measurement devices, circuit devices, etc., can solve the problems of failure to report abnormalities, failure of system self-inspection, etc.

Active Publication Date: 2015-10-14
SAKURA BATH & KITCHEN PRODS CHINA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] At present, most water heaters are equipped with a conventional leakage protection function. This function can only solve the problem of immediately cutting off the power supply system when there is an abnormal leakage in any pole of the phase power supply, but cannot report the cause of the abnormality and perform corresponding protection. Self-check the system to achieve real leakage detection and protection

Method used

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Embodiment

[0017] Embodiment: a kind of intelligent leakage detection protection device, comprises MCU control center 1, intelligent leakage detection module 2, LCD display module 3 and buzzer alarm module 4, described intelligent leakage detection module 2 is made up of leakage current detection module X1, phase The line-ground leakage voltage detection module X2 and the neutral line-ground leakage voltage detection module X3 are composed. The phase line-ground leakage voltage detection module X2 detects the voltage between the phase line L and the ground wire E and transmits the signal to MCU control center 1, the zero line-ground line leakage voltage detection module X3 detects the voltage between the neutral line N and the ground line E and transmits a message to the MCU control center 1, and the MCU control center 1 controls the leakage current detection The module X1 operates, the leakage current detection module X1 detects the leakage current state of the phase line and the neutral...

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Abstract

The invention discloses an intelligent electric leakage detection protecting device. A phase line-ground wire electric leakage voltage detection module is used for detecting the condition of voltage between a phase line and a ground wire and transmitting information to a MCU (Micro Control Unit) control centre; a zero line-ground wire electric leakage voltage detection module is used for detecting voltage between a zero line and a ground wire and transmitting information to the MCU control centre; the MCU control centre controls an electric leakage current detection module to operate; the electric leakage current detection module detects the electric leakage current state of the phase line and the zero line and transmits information to the MCU control centre; the ground wire is provided with a relay; the MCU control centre is provided with a control chip internally; and a control program is burnt in the control chip; according to the received information, the MCU control centre respectively controls an LCD display module and a buzzer alarming module to operate and controls the on / off of the relay by virtue of the control program. The intelligent electric leakage detection protecting device can be used for carrying out the comprehensive intelligent electric leakage and corresponding protective measures on an electric water heater.

Description

technical field [0001] The invention relates to the field of electric water heater leakage detection, in particular to an intelligent electric leakage detection and protection device. Background technique [0002] At present, most water heaters are equipped with a conventional leakage protection function. This function can only solve the problem of immediately cutting off the power supply system when there is an abnormal leakage in any pole of the phase power supply, but cannot report the cause of the abnormality and perform corresponding protection. Self-check the system to achieve real leakage detection and protection. Contents of the invention [0003] In order to overcome the above-mentioned defects, the present invention provides an intelligent leakage detection and protection device, which can realize comprehensive intelligent leakage detection of electric water heaters and implement corresponding protection measures. [0004] The technical scheme that the present i...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H02H3/32G01R31/02
Inventor 廖金柱
Owner SAKURA BATH & KITCHEN PRODS CHINA
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