Safety monitoring circuit of equipment control system
The invention discloses a safety monitoring circuit of an equipment control system. A control contact of a safety relay is connected in series in a control signal loop of a controller to an actuating mechanism, the control contact can be closed only when the working condition of the safety relay is...
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| creator | LI BAO DAI YUNFAN CAO QIZHEN |
| description | The invention discloses a safety monitoring circuit of an equipment control system. A control contact of a safety relay is connected in series in a control signal loop of a controller to an actuating mechanism, the control contact can be closed only when the working condition of the safety relay is normal, and the actuating mechanism can act under the control of a control signal of the controller; the fault state of the controller and whether other emergency situations occur or not can be monitored and judged, when the controller breaks down, the safety relay can act automatically immediately, the executing mechanism stops safely and stops automatically, and the executing mechanism can work normally until the controller breaks down and a reset button is pressed down after manual confirmation. And automatic re-action of the execution mechanism after the controller fault is eliminated is avoided. The standby control system safety monitoring circuit is simple in circuit wiring, high in safety and high in reliabi |
| format | Patent |
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A control contact of a safety relay is connected in series in a control signal loop of a controller to an actuating mechanism, the control contact can be closed only when the working condition of the safety relay is normal, and the actuating mechanism can act under the control of a control signal of the controller; the fault state of the controller and whether other emergency situations occur or not can be monitored and judged, when the controller breaks down, the safety relay can act automatically immediately, the executing mechanism stops safely and stops automatically, and the executing mechanism can work normally until the controller breaks down and a reset button is pressed down after manual confirmation. And automatic re-action of the execution mechanism after the controller fault is eliminated is avoided. The standby control system safety monitoring circuit is simple in circuit wiring, high in safety and high in reliabi</description><language>chi ; eng</language><subject>CONTROL OR REGULATING SYSTEMS IN GENERAL ; CONTROLLING ; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS ; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS ORELEMENTS ; PHYSICS ; REGULATING</subject><creationdate>2021</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=20211203&DB=EPODOC&CC=CN&NR=113741325A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25564,76547</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20211203&DB=EPODOC&CC=CN&NR=113741325A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>LI BAO</creatorcontrib><creatorcontrib>DAI YUNFAN</creatorcontrib><creatorcontrib>CAO QIZHEN</creatorcontrib><title>Safety monitoring circuit of equipment control system</title><description>The invention discloses a safety monitoring circuit of an equipment control system. A control contact of a safety relay is connected in series in a control signal loop of a controller to an actuating mechanism, the control contact can be closed only when the working condition of the safety relay is normal, and the actuating mechanism can act under the control of a control signal of the controller; the fault state of the controller and whether other emergency situations occur or not can be monitored and judged, when the controller breaks down, the safety relay can act automatically immediately, the executing mechanism stops safely and stops automatically, and the executing mechanism can work normally until the controller breaks down and a reset button is pressed down after manual confirmation. And automatic re-action of the execution mechanism after the controller fault is eliminated is avoided. The standby control system safety monitoring circuit is simple in circuit wiring, high in safety and high in reliabi</description><subject>CONTROL OR REGULATING SYSTEMS IN GENERAL</subject><subject>CONTROLLING</subject><subject>FUNCTIONAL ELEMENTS OF SUCH SYSTEMS</subject><subject>MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS ORELEMENTS</subject><subject>PHYSICS</subject><subject>REGULATING</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2021</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZDANTkxLLalUyM3PyyzJL8rMS1dIzixKLs0sUchPU0gtLM0syE3NK1FIzs8rKcrPUSiuLC5JzeVhYE1LzClO5YXS3AyKbq4hzh66qQX58anFBYnJqXmpJfHOfoaGxuYmhsZGpo7GxKgBAK9VLco</recordid><startdate>20211203</startdate><enddate>20211203</enddate><creator>LI BAO</creator><creator>DAI YUNFAN</creator><creator>CAO QIZHEN</creator><scope>EVB</scope></search><sort><creationdate>20211203</creationdate><title>Safety monitoring circuit of equipment control system</title><author>LI BAO ; DAI YUNFAN ; CAO QIZHEN</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_CN113741325A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>chi ; eng</language><creationdate>2021</creationdate><topic>CONTROL OR REGULATING SYSTEMS IN GENERAL</topic><topic>CONTROLLING</topic><topic>FUNCTIONAL ELEMENTS OF SUCH SYSTEMS</topic><topic>MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS ORELEMENTS</topic><topic>PHYSICS</topic><topic>REGULATING</topic><toplevel>online_resources</toplevel><creatorcontrib>LI BAO</creatorcontrib><creatorcontrib>DAI YUNFAN</creatorcontrib><creatorcontrib>CAO QIZHEN</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>LI BAO</au><au>DAI YUNFAN</au><au>CAO QIZHEN</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Safety monitoring circuit of equipment control system</title><date>2021-12-03</date><risdate>2021</risdate><abstract>The invention discloses a safety monitoring circuit of an equipment control system. A control contact of a safety relay is connected in series in a control signal loop of a controller to an actuating mechanism, the control contact can be closed only when the working condition of the safety relay is normal, and the actuating mechanism can act under the control of a control signal of the controller; the fault state of the controller and whether other emergency situations occur or not can be monitored and judged, when the controller breaks down, the safety relay can act automatically immediately, the executing mechanism stops safely and stops automatically, and the executing mechanism can work normally until the controller breaks down and a reset button is pressed down after manual confirmation. And automatic re-action of the execution mechanism after the controller fault is eliminated is avoided. The standby control system safety monitoring circuit is simple in circuit wiring, high in safety and high in reliabi</abstract><oa>free_for_read</oa></addata></record> |
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| language | chi ; eng |
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| subjects | CONTROL OR REGULATING SYSTEMS IN GENERAL CONTROLLING FUNCTIONAL ELEMENTS OF SUCH SYSTEMS MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS ORELEMENTS PHYSICS REGULATING |
| title | Safety monitoring circuit of equipment control system |
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