VEHICLE BATTERY-PACK EQUALIZATION SYSTEM AND VEHICLE BATTERY-PACK EQUALIZATION METHOD
Provided is a vehicle battery-pack equalization system (100), wherein, in a battery pack (10) to be mounted on a vehicle, and which is comprised of a plurality of unit cells (11) connected in series, each of the unit cells (11) are made to be discharged to equalize the voltages thereof, or the remai...
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| creator | OCHIAI KIYOE |
| description | Provided is a vehicle battery-pack equalization system (100), wherein, in a battery pack (10) to be mounted on a vehicle, and which is comprised of a plurality of unit cells (11) connected in series, each of the unit cells (11) are made to be discharged to equalize the voltages thereof, or the remaining capacities (SOC) thereof. The equalization processing time of each of the unit cells (11) is set to a period of time the result of multiplying the discharging time of the battery pack (10) starting from just before the equalization processing, and the ratio of the difference between the currents discharged by each of the unit cells (11) with respect to the equalization discharging current. In such a way, power consumption during equalization processing can be inhibited. |
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The equalization processing time of each of the unit cells (11) is set to a period of time the result of multiplying the discharging time of the battery pack (10) starting from just before the equalization processing, and the ratio of the difference between the currents discharged by each of the unit cells (11) with respect to the equalization discharging current. In such a way, power consumption during equalization processing can be inhibited.</description><language>eng</language><subject>BASIC ELECTRIC ELEMENTS ; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTINGELECTRIC POWER ; CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TOTRANSPORTATION ; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ; ELECTRIC EQUIPMENT OR PROPULSION OF ELECTRICALLY-PROPELLEDVEHICLES ; ELECTRICITY ; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES, IN GENERAL ; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC ; GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS ; GENERATION ; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES ; PERFORMING OPERATIONS ; PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY ; SYSTEMS FOR STORING ELECTRIC ENERGY ; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS ; TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE ; TRANSPORTING ; VEHICLES IN GENERAL</subject><creationdate>2013</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=20130321&DB=EPODOC&CC=US&NR=2013069596A1$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25542,76289</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20130321&DB=EPODOC&CC=US&NR=2013069596A1$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>OCHIAI KIYOE</creatorcontrib><title>VEHICLE BATTERY-PACK EQUALIZATION SYSTEM AND VEHICLE BATTERY-PACK EQUALIZATION METHOD</title><description>Provided is a vehicle battery-pack equalization system (100), wherein, in a battery pack (10) to be mounted on a vehicle, and which is comprised of a plurality of unit cells (11) connected in series, each of the unit cells (11) are made to be discharged to equalize the voltages thereof, or the remaining capacities (SOC) thereof. The equalization processing time of each of the unit cells (11) is set to a period of time the result of multiplying the discharging time of the battery pack (10) starting from just before the equalization processing, and the ratio of the difference between the currents discharged by each of the unit cells (11) with respect to the equalization discharging current. In such a way, power consumption during equalization processing can be inhibited.</description><subject>BASIC ELECTRIC ELEMENTS</subject><subject>CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTINGELECTRIC POWER</subject><subject>CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TOTRANSPORTATION</subject><subject>CONVERSION OR DISTRIBUTION OF ELECTRIC POWER</subject><subject>ELECTRIC EQUIPMENT OR PROPULSION OF ELECTRICALLY-PROPELLEDVEHICLES</subject><subject>ELECTRICITY</subject><subject>ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES, IN GENERAL</subject><subject>GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC</subject><subject>GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS</subject><subject>GENERATION</subject><subject>MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES</subject><subject>PERFORMING OPERATIONS</subject><subject>PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY</subject><subject>SYSTEMS FOR STORING ELECTRIC ENERGY</subject><subject>TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS</subject><subject>TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE</subject><subject>TRANSPORTING</subject><subject>VEHICLES IN GENERAL</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2013</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZAgNc_XwdPZxVXByDAlxDYrUDXB09lZwDQx19PGMcgzx9PdTCI4MDnH1VXD0c1EgrNjXNcTD34WHgTUtMac4lRdKczMou7mGOHvophbkx6cWFyQmp-allsSHBhsZGBobmFmaWpo5GhoTpwoASB4xtQ</recordid><startdate>20130321</startdate><enddate>20130321</enddate><creator>OCHIAI KIYOE</creator><scope>EVB</scope></search><sort><creationdate>20130321</creationdate><title>VEHICLE BATTERY-PACK EQUALIZATION SYSTEM AND VEHICLE BATTERY-PACK EQUALIZATION METHOD</title><author>OCHIAI KIYOE</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_US2013069596A13</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>2013</creationdate><topic>BASIC ELECTRIC ELEMENTS</topic><topic>CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTINGELECTRIC POWER</topic><topic>CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TOTRANSPORTATION</topic><topic>CONVERSION OR DISTRIBUTION OF ELECTRIC POWER</topic><topic>ELECTRIC EQUIPMENT OR PROPULSION OF ELECTRICALLY-PROPELLEDVEHICLES</topic><topic>ELECTRICITY</topic><topic>ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES, IN GENERAL</topic><topic>GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC</topic><topic>GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS</topic><topic>GENERATION</topic><topic>MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES</topic><topic>PERFORMING OPERATIONS</topic><topic>PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY</topic><topic>SYSTEMS FOR STORING ELECTRIC ENERGY</topic><topic>TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS</topic><topic>TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE</topic><topic>TRANSPORTING</topic><topic>VEHICLES IN GENERAL</topic><toplevel>online_resources</toplevel><creatorcontrib>OCHIAI KIYOE</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>OCHIAI KIYOE</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>VEHICLE BATTERY-PACK EQUALIZATION SYSTEM AND VEHICLE BATTERY-PACK EQUALIZATION METHOD</title><date>2013-03-21</date><risdate>2013</risdate><abstract>Provided is a vehicle battery-pack equalization system (100), wherein, in a battery pack (10) to be mounted on a vehicle, and which is comprised of a plurality of unit cells (11) connected in series, each of the unit cells (11) are made to be discharged to equalize the voltages thereof, or the remaining capacities (SOC) thereof. The equalization processing time of each of the unit cells (11) is set to a period of time the result of multiplying the discharging time of the battery pack (10) starting from just before the equalization processing, and the ratio of the difference between the currents discharged by each of the unit cells (11) with respect to the equalization discharging current. In such a way, power consumption during equalization processing can be inhibited.</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | BASIC ELECTRIC ELEMENTS CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTINGELECTRIC POWER CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TOTRANSPORTATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ELECTRIC EQUIPMENT OR PROPULSION OF ELECTRICALLY-PROPELLEDVEHICLES ELECTRICITY ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES, IN GENERAL GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS GENERATION MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES PERFORMING OPERATIONS PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY SYSTEMS FOR STORING ELECTRIC ENERGY TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE TRANSPORTING VEHICLES IN GENERAL |
| title | VEHICLE BATTERY-PACK EQUALIZATION SYSTEM AND VEHICLE BATTERY-PACK EQUALIZATION METHOD |
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