Method, device, driving circuit and system for determining driving current of electromagnetic valve
The invention provides an electromagnetic valve driving current determination method and device, a driving circuit and a system, and the method comprises the steps that the wire harness impedance of the driving circuit is obtained, the driving circuit is electrically connected with an electromagneti...
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| creator | WEI WENJIN LOU WENHAO LANG XUEZHENG CAO YEZHENG JIANG ZHAOLIANG |
| description | The invention provides an electromagnetic valve driving current determination method and device, a driving circuit and a system, and the method comprises the steps that the wire harness impedance of the driving circuit is obtained, the driving circuit is electrically connected with an electromagnetic valve, the driving circuit is used for driving the electromagnetic valve to be opened, and the wire harness impedance is the total resistance value of all connecting wires in the driving circuit; acquiring a power supply voltage of the driving circuit; and determining the upper limit value and the lower limit value of the driving current of the electromagnetic valve according to the wire harness impedance and the power supply voltage. The upper limit and the lower limit of the current of the electromagnetic valve are adjusted through the wire harness impedance and the power supply voltage, the waveform deviation between the actual current and the preset current is reduced, the fuel injection quantity is kept stab |
| format | Patent |
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The upper limit and the lower limit of the current of the electromagnetic valve are adjusted through the wire harness impedance and the power supply voltage, the waveform deviation between the actual current and the preset current is reduced, the fuel injection quantity is kept stab</description><language>chi ; eng</language><subject>BLASTING ; COMBUSTION ENGINES ; HEATING ; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS ; LIGHTING ; MECHANICAL ENGINEERING ; SUPPLYING COMBUSTION ENGINES IN GENERAL, WITH COMBUSTIBLEMIXTURES OR CONSTITUENTS THEREOF ; WEAPONS</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=20230609&DB=EPODOC&CC=CN&NR=116241399A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25564,76547</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20230609&DB=EPODOC&CC=CN&NR=116241399A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>WEI WENJIN</creatorcontrib><creatorcontrib>LOU WENHAO</creatorcontrib><creatorcontrib>LANG XUEZHENG</creatorcontrib><creatorcontrib>CAO YEZHENG</creatorcontrib><creatorcontrib>JIANG ZHAOLIANG</creatorcontrib><title>Method, device, driving circuit and system for determining driving current of electromagnetic valve</title><description>The invention provides an electromagnetic valve driving current determination method and device, a driving circuit and a system, and the method comprises the steps that the wire harness impedance of the driving circuit is obtained, the driving circuit is electrically connected with an electromagnetic valve, the driving circuit is used for driving the electromagnetic valve to be opened, and the wire harness impedance is the total resistance value of all connecting wires in the driving circuit; acquiring a power supply voltage of the driving circuit; and determining the upper limit value and the lower limit value of the driving current of the electromagnetic valve according to the wire harness impedance and the power supply voltage. 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The upper limit and the lower limit of the current of the electromagnetic valve are adjusted through the wire harness impedance and the power supply voltage, the waveform deviation between the actual current and the preset current is reduced, the fuel injection quantity is kept stab</abstract><oa>free_for_read</oa></addata></record> |
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| language | chi ; eng |
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| subjects | BLASTING COMBUSTION ENGINES HEATING HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS LIGHTING MECHANICAL ENGINEERING SUPPLYING COMBUSTION ENGINES IN GENERAL, WITH COMBUSTIBLEMIXTURES OR CONSTITUENTS THEREOF WEAPONS |
| title | Method, device, driving circuit and system for determining driving current of electromagnetic valve |
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