High-voltage output loop open circuit detection circuit
The utility model relates to the technical field of high-voltage detection, in particular to an open-circuit detection circuit for a high-voltage output loop, which comprises a high-voltage isolation optocoupler circuit, a delay transmission circuit and a control signal receiving circuit. One end of...
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| creator | ZHANG JINLONG FU BO TANG HUAISHOU TIAN SHAN ZHANG ZHIXIN MO LINGNA ZHOU WANGPAN |
| description | The utility model relates to the technical field of high-voltage detection, in particular to an open-circuit detection circuit for a high-voltage output loop, which comprises a high-voltage isolation optocoupler circuit, a delay transmission circuit and a control signal receiving circuit. One end of an optocoupler U1 of the high-voltage isolation optocoupler circuit is connected with the high-voltage loop through a resistor R2; the delay transmission circuit comprises an RC charging circuit, a reverse breakdown diode Z2 and a triode Q1, a collector electrode of the triode Q1 is connected with a power supply VDD, an emitter electrode is grounded, and a base electrode is connected with the reverse breakdown diode Z2 in series and then connected to one end of the capacitor; the control signal receiving circuit comprises a relay K1 and a grounding triode Q2, a collector electrode of the grounding triode Q2 is connected with one end of the relay K1, and the other end of the relay is connected with the high-voltage |
| format | Patent |
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One end of an optocoupler U1 of the high-voltage isolation optocoupler circuit is connected with the high-voltage loop through a resistor R2; the delay transmission circuit comprises an RC charging circuit, a reverse breakdown diode Z2 and a triode Q1, a collector electrode of the triode Q1 is connected with a power supply VDD, an emitter electrode is grounded, and a base electrode is connected with the reverse breakdown diode Z2 in series and then connected to one end of the capacitor; the control signal receiving circuit comprises a relay K1 and a grounding triode Q2, a collector electrode of the grounding triode Q2 is connected with one end of the relay K1, and the other end of the relay is connected with the high-voltage</description><language>chi ; eng</language><subject>MEASURING ; MEASURING ELECTRIC VARIABLES ; MEASURING MAGNETIC VARIABLES ; PHYSICS ; TESTING</subject><creationdate>2023</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&date=20231107&DB=EPODOC&CC=CN&NR=219978501U$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25543,76294</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20231107&DB=EPODOC&CC=CN&NR=219978501U$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>ZHANG JINLONG</creatorcontrib><creatorcontrib>FU BO</creatorcontrib><creatorcontrib>TANG HUAISHOU</creatorcontrib><creatorcontrib>TIAN SHAN</creatorcontrib><creatorcontrib>ZHANG ZHIXIN</creatorcontrib><creatorcontrib>MO LINGNA</creatorcontrib><creatorcontrib>ZHOU WANGPAN</creatorcontrib><title>High-voltage output loop open circuit detection circuit</title><description>The utility model relates to the technical field of high-voltage detection, in particular to an open-circuit detection circuit for a high-voltage output loop, which comprises a high-voltage isolation optocoupler circuit, a delay transmission circuit and a control signal receiving circuit. 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| subjects | MEASURING MEASURING ELECTRIC VARIABLES MEASURING MAGNETIC VARIABLES PHYSICS TESTING |
| title | High-voltage output loop open circuit detection circuit |
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