Precharging device for electric vehicle and precharging method of precharging device
The invention provides a precharging device for an electric vehicle and a precharging method of the precharging device. The precharging device comprises precharging subcircuits connected in parallel to two ends of a main relay and a precharging auxiliary device connected to positive and negative ele...
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| creator | Gong Zhuoran Xia Zhuliang Cao Ran Li Qiguo Liu Wei Qin Xingkun |
| description | The invention provides a precharging device for an electric vehicle and a precharging method of the precharging device. The precharging device comprises precharging subcircuits connected in parallel to two ends of a main relay and a precharging auxiliary device connected to positive and negative electrodes of a direct current bus and further comprises an electronic control unit, a bi-way DC/DC converting circuit and an energy storage capacitor, wherein the electronic control unit is used for receiving a direct current bus voltage signal, an energy storage capacitor voltage signal and a power battery voltage signal and controls charge and discharge of the energy storage capacitor in the precharging process; the bi-way DC/DC converting circuit is used for transmitting electric energy from a power battery to the energy storage capacitor for charging when a precharging relay is turned off under the control of the electronic control unit, discharging the energy storage capacitor when the voltage of the energy stor |
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The precharging device comprises precharging subcircuits connected in parallel to two ends of a main relay and a precharging auxiliary device connected to positive and negative electrodes of a direct current bus and further comprises an electronic control unit, a bi-way DC/DC converting circuit and an energy storage capacitor, wherein the electronic control unit is used for receiving a direct current bus voltage signal, an energy storage capacitor voltage signal and a power battery voltage signal and controls charge and discharge of the energy storage capacitor in the precharging process; the bi-way DC/DC converting circuit is used for transmitting electric energy from a power battery to the energy storage capacitor for charging when a precharging relay is turned off under the control of the electronic control unit, discharging the energy storage capacitor when the voltage of the energy stor</description><language>chi ; eng</language><subject>BASIC ELECTRIC ELEMENTS ; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTINGELECTRIC POWER ; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ; ELECTRICITY ; GENERATION ; PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY ; SYSTEMS FOR STORING ELECTRIC ENERGY</subject><creationdate>2016</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=20160817&DB=EPODOC&CC=CN&NR=105871026A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25564,76419</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20160817&DB=EPODOC&CC=CN&NR=105871026A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>Gong Zhuoran</creatorcontrib><creatorcontrib>Xia Zhuliang</creatorcontrib><creatorcontrib>Cao Ran</creatorcontrib><creatorcontrib>Li Qiguo</creatorcontrib><creatorcontrib>Liu Wei</creatorcontrib><creatorcontrib>Qin Xingkun</creatorcontrib><title>Precharging device for electric vehicle and precharging method of precharging device</title><description>The invention provides a precharging device for an electric vehicle and a precharging method of the precharging device. The precharging device comprises precharging subcircuits connected in parallel to two ends of a main relay and a precharging auxiliary device connected to positive and negative electrodes of a direct current bus and further comprises an electronic control unit, a bi-way DC/DC converting circuit and an energy storage capacitor, wherein the electronic control unit is used for receiving a direct current bus voltage signal, an energy storage capacitor voltage signal and a power battery voltage signal and controls charge and discharge of the energy storage capacitor in the precharging process; the bi-way DC/DC converting circuit is used for transmitting electric energy from a power battery to the energy storage capacitor for charging when a precharging relay is turned off under the control of the electronic control unit, discharging the energy storage capacitor when the voltage of the energy stor</description><subject>BASIC ELECTRIC ELEMENTS</subject><subject>CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTINGELECTRIC POWER</subject><subject>CONVERSION OR DISTRIBUTION OF ELECTRIC POWER</subject><subject>ELECTRICITY</subject><subject>GENERATION</subject><subject>PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY</subject><subject>SYSTEMS FOR STORING ELECTRIC ENERGY</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2016</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZAgJKEpNzkgsSs_MS1dISS3LTE5VSMsvUkjNSU0uKcpMVihLzchMzklVSMxLUShAUpubWpKRn6KQn4YiCjGBh4E1LTGnOJUXSnMzKLq5hjh76KYW5MenFhckJqfmpZbEO_sZGphamBsaGJk5GhOjBgCc4DjQ</recordid><startdate>20160817</startdate><enddate>20160817</enddate><creator>Gong Zhuoran</creator><creator>Xia Zhuliang</creator><creator>Cao Ran</creator><creator>Li Qiguo</creator><creator>Liu Wei</creator><creator>Qin Xingkun</creator><scope>EVB</scope></search><sort><creationdate>20160817</creationdate><title>Precharging device for electric vehicle and precharging method of precharging device</title><author>Gong Zhuoran ; Xia Zhuliang ; Cao Ran ; Li Qiguo ; Liu Wei ; Qin Xingkun</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_CN105871026A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>chi ; eng</language><creationdate>2016</creationdate><topic>BASIC ELECTRIC ELEMENTS</topic><topic>CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTINGELECTRIC POWER</topic><topic>CONVERSION OR DISTRIBUTION OF ELECTRIC POWER</topic><topic>ELECTRICITY</topic><topic>GENERATION</topic><topic>PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY</topic><topic>SYSTEMS FOR STORING ELECTRIC ENERGY</topic><toplevel>online_resources</toplevel><creatorcontrib>Gong Zhuoran</creatorcontrib><creatorcontrib>Xia Zhuliang</creatorcontrib><creatorcontrib>Cao Ran</creatorcontrib><creatorcontrib>Li Qiguo</creatorcontrib><creatorcontrib>Liu Wei</creatorcontrib><creatorcontrib>Qin Xingkun</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>Gong Zhuoran</au><au>Xia Zhuliang</au><au>Cao Ran</au><au>Li Qiguo</au><au>Liu Wei</au><au>Qin Xingkun</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Precharging device for electric vehicle and precharging method of precharging device</title><date>2016-08-17</date><risdate>2016</risdate><abstract>The invention provides a precharging device for an electric vehicle and a precharging method of the precharging device. The precharging device comprises precharging subcircuits connected in parallel to two ends of a main relay and a precharging auxiliary device connected to positive and negative electrodes of a direct current bus and further comprises an electronic control unit, a bi-way DC/DC converting circuit and an energy storage capacitor, wherein the electronic control unit is used for receiving a direct current bus voltage signal, an energy storage capacitor voltage signal and a power battery voltage signal and controls charge and discharge of the energy storage capacitor in the precharging process; the bi-way DC/DC converting circuit is used for transmitting electric energy from a power battery to the energy storage capacitor for charging when a precharging relay is turned off under the control of the electronic control unit, discharging the energy storage capacitor when the voltage of the energy stor</abstract><oa>free_for_read</oa></addata></record> |
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| language | chi ; eng |
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| subjects | BASIC ELECTRIC ELEMENTS CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTINGELECTRIC POWER CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ELECTRICITY GENERATION PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY SYSTEMS FOR STORING ELECTRIC ENERGY |
| title | Precharging device for electric vehicle and precharging method of precharging device |
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