Double-pole double-throw switch type valve position indicator
The utility model provides a double-pole double-throw switch type valve position indicator, which is characterized by comprising two pairs of microswitches, a pair of fully-open cams and a pair of fully-closed cams, the fully-open cams and the fully-closed cams are mounted on a rotating shaft, and t...
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| creator | BAI YU LIU BAOJUN WANG YONGJIA WANG YE LIU GUANHUA ZHENG XUEMING ZHANG MEIYAN YANG ZHAOHAN |
| description | The utility model provides a double-pole double-throw switch type valve position indicator, which is characterized by comprising two pairs of microswitches, a pair of fully-open cams and a pair of fully-closed cams, the fully-open cams and the fully-closed cams are mounted on a rotating shaft, and the microswitches are mounted on the rotating shaft. The pair of fully-opened cams corresponds to one pair of microswitches, the pair of fully-closed cams corresponds to the other pair of microswitches, one pair of microswitches sends out a pair of fully-opened signals, and the other pair of microswitches sends out a pair of fully-closed signals, namely two paths of signals. When in use, one path of signal is directly transmitted to an upper computer independent of the actuator, and the other path of signal is reserved for the execution equipment to be used, so that double-pole double-throw is realized. Power failure of execution equipment is prevented, and the upper computer can still monitor the position of the va |
| format | Patent |
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The pair of fully-opened cams corresponds to one pair of microswitches, the pair of fully-closed cams corresponds to the other pair of microswitches, one pair of microswitches sends out a pair of fully-opened signals, and the other pair of microswitches sends out a pair of fully-closed signals, namely two paths of signals. When in use, one path of signal is directly transmitted to an upper computer independent of the actuator, and the other path of signal is reserved for the execution equipment to be used, so that double-pole double-throw is realized. Power failure of execution equipment is prevented, and the upper computer can still monitor the position of the va</description><language>chi ; eng</language><subject>ACTUATING-FLOATS ; BLASTING ; COCKS ; DEVICES FOR VENTING OR AERATING ; ENGINEERING ELEMENTS AND UNITS ; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS ; HEATING ; LIGHTING ; MECHANICAL ENGINEERING ; TAPS ; THERMAL INSULATION IN GENERAL ; VALVES ; WEAPONS</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=20211207&DB=EPODOC&CC=CN&NR=215059962U$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,309,782,887,25573,76557</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20211207&DB=EPODOC&CC=CN&NR=215059962U$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>BAI YU</creatorcontrib><creatorcontrib>LIU BAOJUN</creatorcontrib><creatorcontrib>WANG YONGJIA</creatorcontrib><creatorcontrib>WANG YE</creatorcontrib><creatorcontrib>LIU GUANHUA</creatorcontrib><creatorcontrib>ZHENG XUEMING</creatorcontrib><creatorcontrib>ZHANG MEIYAN</creatorcontrib><creatorcontrib>YANG ZHAOHAN</creatorcontrib><title>Double-pole double-throw switch type valve position indicator</title><description>The utility model provides a double-pole double-throw switch type valve position indicator, which is characterized by comprising two pairs of microswitches, a pair of fully-open cams and a pair of fully-closed cams, the fully-open cams and the fully-closed cams are mounted on a rotating shaft, and the microswitches are mounted on the rotating shaft. The pair of fully-opened cams corresponds to one pair of microswitches, the pair of fully-closed cams corresponds to the other pair of microswitches, one pair of microswitches sends out a pair of fully-opened signals, and the other pair of microswitches sends out a pair of fully-closed signals, namely two paths of signals. When in use, one path of signal is directly transmitted to an upper computer independent of the actuator, and the other path of signal is reserved for the execution equipment to be used, so that double-pole double-throw is realized. 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The pair of fully-opened cams corresponds to one pair of microswitches, the pair of fully-closed cams corresponds to the other pair of microswitches, one pair of microswitches sends out a pair of fully-opened signals, and the other pair of microswitches sends out a pair of fully-closed signals, namely two paths of signals. When in use, one path of signal is directly transmitted to an upper computer independent of the actuator, and the other path of signal is reserved for the execution equipment to be used, so that double-pole double-throw is realized. Power failure of execution equipment is prevented, and the upper computer can still monitor the position of the va</abstract><oa>free_for_read</oa></addata></record> |
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| language | chi ; eng |
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| subjects | ACTUATING-FLOATS BLASTING COCKS DEVICES FOR VENTING OR AERATING ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING LIGHTING MECHANICAL ENGINEERING TAPS THERMAL INSULATION IN GENERAL VALVES WEAPONS |
| title | Double-pole double-throw switch type valve position indicator |
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