Fault detection method, device and equipment of electromagnetic valve and medium
The invention provides a fault detection method and device for an electromagnetic valve, equipment and a medium, and the method comprises the steps that a driving chip obtains a first driving current of a low-side drive within a first preset duration after the high-side drive and the low-side drive...
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| creator | XING QIDONG WEI WENJIN WEN JIAJING LANG XUEZHENG LOU WENHAO |
| description | The invention provides a fault detection method and device for an electromagnetic valve, equipment and a medium, and the method comprises the steps that a driving chip obtains a first driving current of a low-side drive within a first preset duration after the high-side drive and the low-side drive of the electromagnetic valve are started at the same time; and under the condition that the first driving current is greater than or equal to the first current threshold value, the driving chip determines that the electromagnetic valve has a low-side driving to power supply short circuit fault or a high-side driving and low-side driving mutual short circuit fault. Therefore, the short-circuit fault of the low-side drive to the power supply, namely the short-circuit fault of the connection between the low-side drive and the power supply, and the short-circuit fault of the connection between the high-side drive and the low-side drive, namely the short-circuit fault of the connection between the high-side drive and th |
| format | Patent |
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Therefore, the short-circuit fault of the low-side drive to the power supply, namely the short-circuit fault of the connection between the low-side drive and the power supply, and the short-circuit fault of the connection between the high-side drive and the low-side drive, namely the short-circuit fault of the connection between the high-side drive and th</description><language>chi ; eng</language><subject>MEASURING ; MEASURING ELECTRIC VARIABLES ; MEASURING MAGNETIC VARIABLES ; PHYSICS ; TESTING ; TESTING STATIC OR DYNAMIC BALANCE OF MACHINES ORSTRUCTURES ; TESTING STRUCTURES OR APPARATUS NOT OTHERWISE PROVIDED FOR</subject><creationdate>2022</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=20220429&DB=EPODOC&CC=CN&NR=114415065A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25564,76547</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20220429&DB=EPODOC&CC=CN&NR=114415065A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>XING QIDONG</creatorcontrib><creatorcontrib>WEI WENJIN</creatorcontrib><creatorcontrib>WEN JIAJING</creatorcontrib><creatorcontrib>LANG XUEZHENG</creatorcontrib><creatorcontrib>LOU WENHAO</creatorcontrib><title>Fault detection method, device and equipment of electromagnetic valve and medium</title><description>The invention provides a fault detection method and device for an electromagnetic valve, equipment and a medium, and the method comprises the steps that a driving chip obtains a first driving current of a low-side drive within a first preset duration after the high-side drive and the low-side drive of the electromagnetic valve are started at the same time; and under the condition that the first driving current is greater than or equal to the first current threshold value, the driving chip determines that the electromagnetic valve has a low-side driving to power supply short circuit fault or a high-side driving and low-side driving mutual short circuit fault. Therefore, the short-circuit fault of the low-side drive to the power supply, namely the short-circuit fault of the connection between the low-side drive and the power supply, and the short-circuit fault of the connection between the high-side drive and the low-side drive, namely the short-circuit fault of the connection between the high-side drive and th</description><subject>MEASURING</subject><subject>MEASURING ELECTRIC VARIABLES</subject><subject>MEASURING MAGNETIC VARIABLES</subject><subject>PHYSICS</subject><subject>TESTING</subject><subject>TESTING STATIC OR DYNAMIC BALANCE OF MACHINES ORSTRUCTURES</subject><subject>TESTING STRUCTURES OR APPARATUS NOT OTHERWISE PROVIDED FOR</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2022</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNqNy70KwjAYheEsDqLew-euYLB1l2JxEgf3EpJTG8if9kuu34BegNOBl-csxb1X2TEZMDTbGMiDp2h2tRSrQSoYwivb5BGY4khwFb6jV88AtpqKcuXLPIzNfi0Wo3IzNr9diW1_eXTXPVIcMCelUY9Dd5OyaWR7OLXn4z_mA4cHNy0</recordid><startdate>20220429</startdate><enddate>20220429</enddate><creator>XING QIDONG</creator><creator>WEI WENJIN</creator><creator>WEN JIAJING</creator><creator>LANG XUEZHENG</creator><creator>LOU WENHAO</creator><scope>EVB</scope></search><sort><creationdate>20220429</creationdate><title>Fault detection method, device and equipment of electromagnetic valve and medium</title><author>XING QIDONG ; WEI WENJIN ; WEN JIAJING ; LANG XUEZHENG ; LOU WENHAO</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_CN114415065A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>chi ; eng</language><creationdate>2022</creationdate><topic>MEASURING</topic><topic>MEASURING ELECTRIC VARIABLES</topic><topic>MEASURING MAGNETIC VARIABLES</topic><topic>PHYSICS</topic><topic>TESTING</topic><topic>TESTING STATIC OR DYNAMIC BALANCE OF MACHINES ORSTRUCTURES</topic><topic>TESTING STRUCTURES OR APPARATUS NOT OTHERWISE PROVIDED FOR</topic><toplevel>online_resources</toplevel><creatorcontrib>XING QIDONG</creatorcontrib><creatorcontrib>WEI WENJIN</creatorcontrib><creatorcontrib>WEN JIAJING</creatorcontrib><creatorcontrib>LANG XUEZHENG</creatorcontrib><creatorcontrib>LOU WENHAO</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>XING QIDONG</au><au>WEI WENJIN</au><au>WEN JIAJING</au><au>LANG XUEZHENG</au><au>LOU WENHAO</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Fault detection method, device and equipment of electromagnetic valve and medium</title><date>2022-04-29</date><risdate>2022</risdate><abstract>The invention provides a fault detection method and device for an electromagnetic valve, equipment and a medium, and the method comprises the steps that a driving chip obtains a first driving current of a low-side drive within a first preset duration after the high-side drive and the low-side drive of the electromagnetic valve are started at the same time; and under the condition that the first driving current is greater than or equal to the first current threshold value, the driving chip determines that the electromagnetic valve has a low-side driving to power supply short circuit fault or a high-side driving and low-side driving mutual short circuit fault. Therefore, the short-circuit fault of the low-side drive to the power supply, namely the short-circuit fault of the connection between the low-side drive and the power supply, and the short-circuit fault of the connection between the high-side drive and the low-side drive, namely the short-circuit fault of the connection between the high-side drive and th</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | MEASURING MEASURING ELECTRIC VARIABLES MEASURING MAGNETIC VARIABLES PHYSICS TESTING TESTING STATIC OR DYNAMIC BALANCE OF MACHINES ORSTRUCTURES TESTING STRUCTURES OR APPARATUS NOT OTHERWISE PROVIDED FOR |
| title | Fault detection method, device and equipment of electromagnetic valve and medium |
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