POWER SUPPLY CONTROL SWITCH

POWER SUPPLY CONTROL SWITCH

The utility model discloses a power supply control switch for AC network controlled by an acoustic signal and an optical signal. The power supply control switch is composed of a DC supplying circuit, a control signal checking circuit, a control signal enlarging and shaping circuit, a time delay circ...

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1. Verfasser: CHEN ZUQUN
Format: Patent
Sprache:eng
Schlagworte:
BASIC ELECTRIC ELEMENTS
BASIC ELECTRONIC CIRCUITRY
ELECTRIC SWITCHES
ELECTRICITY
EMERGENCY PROTECTIVE DEVICES
PULSE TECHNIQUE
RELAYS
SELECTORS
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creator CHEN ZUQUN
description The utility model discloses a power supply control switch for AC network controlled by an acoustic signal and an optical signal. The power supply control switch is composed of a DC supplying circuit, a control signal checking circuit, a control signal enlarging and shaping circuit, a time delay circuit and an operating mechanism circuit. The DC supplying circuit is composed of a resistive element, a diode, a charging capacitance and a voltage stabilizing tube. The power supply control switch is not provided with a voltage reducing transformer. The power supply control switch has the advantages of low cost and convenient installation, and the DC supplying circuit is provided with a contact point used for controlling a relay in the power supply control switch. The DC supplying circuit supplies the DC power supply for the control switch when the contact point is in normal state. When the contact point works, a load and the network power supply form a return circuit through a part of the circuit so that the load works.
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The power supply control switch is composed of a DC supplying circuit, a control signal checking circuit, a control signal enlarging and shaping circuit, a time delay circuit and an operating mechanism circuit. The DC supplying circuit is composed of a resistive element, a diode, a charging capacitance and a voltage stabilizing tube. The power supply control switch is not provided with a voltage reducing transformer. The power supply control switch has the advantages of low cost and convenient installation, and the DC supplying circuit is provided with a contact point used for controlling a relay in the power supply control switch. The DC supplying circuit supplies the DC power supply for the control switch when the contact point is in normal state. When the contact point works, a load and the network power supply form a return circuit through a part of the circuit so that the load works.</description><edition>4</edition><language>eng</language><subject>BASIC ELECTRIC ELEMENTS ; BASIC ELECTRONIC CIRCUITRY ; ELECTRIC SWITCHES ; ELECTRICITY ; EMERGENCY PROTECTIVE DEVICES ; PULSE TECHNIQUE ; RELAYS ; SELECTORS</subject><creationdate>1989</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=19890111&amp;DB=EPODOC&amp;CC=CN&amp;NR=2030757U$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25542,76289</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&amp;date=19890111&amp;DB=EPODOC&amp;CC=CN&amp;NR=2030757U$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>CHEN ZUQUN</creatorcontrib><title>POWER SUPPLY CONTROL SWITCH</title><description>The utility model discloses a power supply control switch for AC network controlled by an acoustic signal and an optical signal. 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The power supply control switch is composed of a DC supplying circuit, a control signal checking circuit, a control signal enlarging and shaping circuit, a time delay circuit and an operating mechanism circuit. The DC supplying circuit is composed of a resistive element, a diode, a charging capacitance and a voltage stabilizing tube. The power supply control switch is not provided with a voltage reducing transformer. The power supply control switch has the advantages of low cost and convenient installation, and the DC supplying circuit is provided with a contact point used for controlling a relay in the power supply control switch. The DC supplying circuit supplies the DC power supply for the control switch when the contact point is in normal state. When the contact point works, a load and the network power supply form a return circuit through a part of the circuit so that the load works.</abstract><edition>4</edition><oa>free_for_read</oa></addata></record>
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subjects BASIC ELECTRIC ELEMENTS
BASIC ELECTRONIC CIRCUITRY
ELECTRIC SWITCHES
ELECTRICITY
EMERGENCY PROTECTIVE DEVICES
PULSE TECHNIQUE
RELAYS
SELECTORS
title POWER SUPPLY CONTROL SWITCH
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