SECONDARY BATTERY SYSTEM
To solve the problem of the occurrence of false detection in a conventional secondary battery system.SOLUTION: A secondary battery system comprises: a positive electrode-side power wire W2 to be connected to a positive electrode terminal of a load circuit of a vehicle; a precharge circuit including...
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| creator | KOZUKA YUSUKE DAITO YOSHIHIRO |
| description | To solve the problem of the occurrence of false detection in a conventional secondary battery system.SOLUTION: A secondary battery system comprises: a positive electrode-side power wire W2 to be connected to a positive electrode terminal of a load circuit of a vehicle; a precharge circuit including a precharge resistance R1 connected in series between a driving battery 10 and the positive electrode-side power wire W2, and a first relay switch SW1; a third relay switch SW3 provided in parallel with the precharge circuit and having one end connected to a negative electrode terminal of the driving battery 10 through a negative electrode-side battery wire W3; and an abnormality detecting circuit 13 for detecting a voltage difference between the negative electrode-side battery wire W3 and the positive electrode-side power wire W2 as a detection voltage Vs, and detecting an abnormality of the first relay switch SW1 to the third relay switch SW3 on the detection voltage Vs.SELECTED DRAWING: Figure 1
【課題】従来の二次電池システムでは、誤検出が発生する問題があった。【解決手段】本発明の二次電池システムは、車両の負荷回路の正極端子に接続される正極側電力配線Ｗ２と、駆動用バッテリ１０と正極側電力配線Ｗ２との間に直列に接続されるプリチャージ抵抗Ｒ１と、第１のリレースイッチＳＷ１と、を含むプリチャージ回路と、プリチャージ回路と並列に設けられ、駆動用バッテリ１０の負極端子に負極側バッテリ配線Ｗ３を介して一端が接続される第３のリレースイッチＳＷ３と、負極側バッテリ配線Ｗ３と正極側電力配線Ｗ２との電圧差を検出電圧Ｖｓとして検出し、検出電圧Ｖｓに基づき第１のリレースイッチＳＷ１から第３のリレースイッチＳＷ３の異常を検出する異常検出回路１３と、を有する。【選択図】図１ |
| format | Patent |
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【課題】従来の二次電池システムでは、誤検出が発生する問題があった。【解決手段】本発明の二次電池システムは、車両の負荷回路の正極端子に接続される正極側電力配線Ｗ２と、駆動用バッテリ１０と正極側電力配線Ｗ２との間に直列に接続されるプリチャージ抵抗Ｒ１と、第１のリレースイッチＳＷ１と、を含むプリチャージ回路と、プリチャージ回路と並列に設けられ、駆動用バッテリ１０の負極端子に負極側バッテリ配線Ｗ３を介して一端が接続される第３のリレースイッチＳＷ３と、負極側バッテリ配線Ｗ３と正極側電力配線Ｗ２との電圧差を検出電圧Ｖｓとして検出し、検出電圧Ｖｓに基づき第１のリレースイッチＳＷ１から第３のリレースイッチＳＷ３の異常を検出する異常検出回路１３と、を有する。【選択図】図１</description><language>eng ; jpn</language><subject>CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTINGELECTRIC POWER ; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ; ELECTRIC EQUIPMENT OR PROPULSION OF ELECTRICALLY-PROPELLEDVEHICLES ; ELECTRICITY ; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES, IN GENERAL ; GENERATION ; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES ; MEASURING ; MEASURING ELECTRIC VARIABLES ; MEASURING MAGNETIC VARIABLES ; PERFORMING OPERATIONS ; PHYSICS ; SYSTEMS FOR STORING ELECTRIC ENERGY ; TESTING ; TRANSPORTING ; VEHICLES IN GENERAL</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=20210430&DB=EPODOC&CC=JP&NR=2021069229A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25564,76547</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20210430&DB=EPODOC&CC=JP&NR=2021069229A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>KOZUKA YUSUKE</creatorcontrib><creatorcontrib>DAITO YOSHIHIRO</creatorcontrib><title>SECONDARY BATTERY SYSTEM</title><description>To solve the problem of the occurrence of false detection in a conventional secondary battery system.SOLUTION: A secondary battery system comprises: a positive electrode-side power wire W2 to be connected to a positive electrode terminal of a load circuit of a vehicle; a precharge circuit including a precharge resistance R1 connected in series between a driving battery 10 and the positive electrode-side power wire W2, and a first relay switch SW1; a third relay switch SW3 provided in parallel with the precharge circuit and having one end connected to a negative electrode terminal of the driving battery 10 through a negative electrode-side battery wire W3; and an abnormality detecting circuit 13 for detecting a voltage difference between the negative electrode-side battery wire W3 and the positive electrode-side power wire W2 as a detection voltage Vs, and detecting an abnormality of the first relay switch SW1 to the third relay switch SW3 on the detection voltage Vs.SELECTED DRAWING: Figure 1
【課題】従来の二次電池システムでは、誤検出が発生する問題があった。【解決手段】本発明の二次電池システムは、車両の負荷回路の正極端子に接続される正極側電力配線Ｗ２と、駆動用バッテリ１０と正極側電力配線Ｗ２との間に直列に接続されるプリチャージ抵抗Ｒ１と、第１のリレースイッチＳＷ１と、を含むプリチャージ回路と、プリチャージ回路と並列に設けられ、駆動用バッテリ１０の負極端子に負極側バッテリ配線Ｗ３を介して一端が接続される第３のリレースイッチＳＷ３と、負極側バッテリ配線Ｗ３と正極側電力配線Ｗ２との電圧差を検出電圧Ｖｓとして検出し、検出電圧Ｖｓに基づき第１のリレースイッチＳＷ１から第３のリレースイッチＳＷ３の異常を検出する異常検出回路１３と、を有する。【選択図】図１</description><subject>CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTINGELECTRIC POWER</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>GENERATION</subject><subject>MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES</subject><subject>MEASURING</subject><subject>MEASURING ELECTRIC VARIABLES</subject><subject>MEASURING MAGNETIC VARIABLES</subject><subject>PERFORMING OPERATIONS</subject><subject>PHYSICS</subject><subject>SYSTEMS FOR STORING ELECTRIC ENERGY</subject><subject>TESTING</subject><subject>TRANSPORTING</subject><subject>VEHICLES IN GENERAL</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2021</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZJAIdnX293NxDIpUcHIMCXEF0sGRwSGuvjwMrGmJOcWpvFCam0HJzTXE2UM3tSA_PrW4IDE5NS-1JN4rwMjAyNDAzNLIyNLRmChFAEaBIF0</recordid><startdate>20210430</startdate><enddate>20210430</enddate><creator>KOZUKA YUSUKE</creator><creator>DAITO YOSHIHIRO</creator><scope>EVB</scope></search><sort><creationdate>20210430</creationdate><title>SECONDARY BATTERY SYSTEM</title><author>KOZUKA YUSUKE ; DAITO YOSHIHIRO</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_JP2021069229A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng ; jpn</language><creationdate>2021</creationdate><topic>CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTINGELECTRIC POWER</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>GENERATION</topic><topic>MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES</topic><topic>MEASURING</topic><topic>MEASURING ELECTRIC VARIABLES</topic><topic>MEASURING MAGNETIC VARIABLES</topic><topic>PERFORMING OPERATIONS</topic><topic>PHYSICS</topic><topic>SYSTEMS FOR STORING ELECTRIC ENERGY</topic><topic>TESTING</topic><topic>TRANSPORTING</topic><topic>VEHICLES IN GENERAL</topic><toplevel>online_resources</toplevel><creatorcontrib>KOZUKA YUSUKE</creatorcontrib><creatorcontrib>DAITO YOSHIHIRO</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>KOZUKA YUSUKE</au><au>DAITO YOSHIHIRO</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>SECONDARY BATTERY SYSTEM</title><date>2021-04-30</date><risdate>2021</risdate><abstract>To solve the problem of the occurrence of false detection in a conventional secondary battery system.SOLUTION: A secondary battery system comprises: a positive electrode-side power wire W2 to be connected to a positive electrode terminal of a load circuit of a vehicle; a precharge circuit including a precharge resistance R1 connected in series between a driving battery 10 and the positive electrode-side power wire W2, and a first relay switch SW1; a third relay switch SW3 provided in parallel with the precharge circuit and having one end connected to a negative electrode terminal of the driving battery 10 through a negative electrode-side battery wire W3; and an abnormality detecting circuit 13 for detecting a voltage difference between the negative electrode-side battery wire W3 and the positive electrode-side power wire W2 as a detection voltage Vs, and detecting an abnormality of the first relay switch SW1 to the third relay switch SW3 on the detection voltage Vs.SELECTED DRAWING: Figure 1
【課題】従来の二次電池システムでは、誤検出が発生する問題があった。【解決手段】本発明の二次電池システムは、車両の負荷回路の正極端子に接続される正極側電力配線Ｗ２と、駆動用バッテリ１０と正極側電力配線Ｗ２との間に直列に接続されるプリチャージ抵抗Ｒ１と、第１のリレースイッチＳＷ１と、を含むプリチャージ回路と、プリチャージ回路と並列に設けられ、駆動用バッテリ１０の負極端子に負極側バッテリ配線Ｗ３を介して一端が接続される第３のリレースイッチＳＷ３と、負極側バッテリ配線Ｗ３と正極側電力配線Ｗ２との電圧差を検出電圧Ｖｓとして検出し、検出電圧Ｖｓに基づき第１のリレースイッチＳＷ１から第３のリレースイッチＳＷ３の異常を検出する異常検出回路１３と、を有する。【選択図】図１</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTINGELECTRIC POWER CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ELECTRIC EQUIPMENT OR PROPULSION OF ELECTRICALLY-PROPELLEDVEHICLES ELECTRICITY ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES, IN GENERAL GENERATION MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES MEASURING MEASURING ELECTRIC VARIABLES MEASURING MAGNETIC VARIABLES PERFORMING OPERATIONS PHYSICS SYSTEMS FOR STORING ELECTRIC ENERGY TESTING TRANSPORTING VEHICLES IN GENERAL |
| title | SECONDARY BATTERY SYSTEM |
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