Take earth -leakage protector of overvoltage protection function

Take earth -leakage protector of overvoltage protection function

The utility model relates to a take earth -leakage protector of overvoltage protection function, including the voltage sampling circuit, voltage comparison circuit and the drive circuit that connect gradually, earth -leakage protector's release is connected in the drive of drive circuit's...

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Hauptverfasser: FANG MINGYI, FENG JINGTAO, GAO WEI, SHENG YAN, HU YAOKAI, LIU HUI, ZHENG LIUQIANG, SUN YINGJUN
Format: Patent
Sprache:chi ; eng
Schlagworte:
CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
ELECTRICITY
EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
GENERATION
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creator FANG MINGYI
FENG JINGTAO
GAO WEI
SHENG YAN
HU YAOKAI
LIU HUI
ZHENG LIUQIANG
SUN YINGJUN
description The utility model relates to a take earth -leakage protector of overvoltage protection function, including the voltage sampling circuit, voltage comparison circuit and the drive circuit that connect gradually, earth -leakage protector's release is connected in the drive of drive circuit's output, and voltage comparison circuit includes a zener diode, voltage sampling circuit's positive output portis connected to zener diode's negative pole, and positive pole connection drive circuit's positive input terminal mouth, and voltage sampling circuit's negative output port connects drive circuit's negative input port. The utility model discloses a set up a zener diode in voltage comparison circuit, the breakdown voltage that is higher than zener diode when the voltage of voltage sampling circuitoutput is promptly during the value of setting, and zener diode punctures and switches on, and drive circuit can drive earth -leakage protector's release action, has effectively protected the circuit. 本实用新型涉及种带过电压保护功能的漏电保护器，包
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The utility model discloses a set up a zener diode in voltage comparison circuit, the breakdown voltage that is higher than zener diode when the voltage of voltage sampling circuitoutput is promptly during the value of setting, and zener diode punctures and switches on, and drive circuit can drive earth -leakage protector's release action, has effectively protected the circuit. 本实用新型涉及种带过电压保护功能的漏电保护器，包</description><language>chi ; eng</language><subject>CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ; ELECTRICITY ; EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS ; GENERATION</subject><creationdate>2018</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&amp;date=20181030&amp;DB=EPODOC&amp;CC=CN&amp;NR=208028564U$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25564,76547</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&amp;date=20181030&amp;DB=EPODOC&amp;CC=CN&amp;NR=208028564U$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>FANG MINGYI</creatorcontrib><creatorcontrib>FENG JINGTAO</creatorcontrib><creatorcontrib>GAO WEI</creatorcontrib><creatorcontrib>SHENG YAN</creatorcontrib><creatorcontrib>HU YAOKAI</creatorcontrib><creatorcontrib>LIU HUI</creatorcontrib><creatorcontrib>ZHENG LIUQIANG</creatorcontrib><creatorcontrib>SUN YINGJUN</creatorcontrib><title>Take earth -leakage protector of overvoltage protection function</title><description>The utility model relates to a take earth -leakage protector of overvoltage protection function, including the voltage sampling circuit, voltage comparison circuit and the drive circuit that connect gradually, earth -leakage protector's release is connected in the drive of drive circuit's output, and voltage comparison circuit includes a zener diode, voltage sampling circuit's positive output portis connected to zener diode's negative pole, and positive pole connection drive circuit's positive input terminal mouth, and voltage sampling circuit's negative output port connects drive circuit's negative input port. 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subjects CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
ELECTRICITY
EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
GENERATION
title Take earth -leakage protector of overvoltage protection function
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