SWITCHING POWER SUPPLY DEVICE
PROBLEM TO BE SOLVED: To provide a switching power supply device capable of operating respective switching elements independently of a level of an input DC voltage by using a low-voltage transformer.SOLUTION: A switching power supply device has a pulse generation circuit outputting a first (a second...
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| creator | KYONO YOICHI |
| description | PROBLEM TO BE SOLVED: To provide a switching power supply device capable of operating respective switching elements independently of a level of an input DC voltage by using a low-voltage transformer.SOLUTION: A switching power supply device has a pulse generation circuit outputting a first (a second) pulse signal depending on a switching state of a switching element Q11 (Q12). A current having a phase delayed by 90° from the first pulse signal flows in a first series resonance circuit L1, C1 to which the first pulse signal is applied. A switching element Q21 is on/off controlled by the current of the first series resonance circuit. A current having a phase delayed by 90° from the second pulse signal flows in a second series resonance circuit L2, C2 to which the second pulse signal is applied. A switching element Q22 is on/off controlled by the current of the second series resonance circuit. Therefore, a phase of an operation of a second converter 4 is shifted by 90° from that of the first converter 3. The pulse generation circuit has a third transformer T3 having a secondary coil Na3 outputting the first pulse signal and a secondary coil Na4 outputting the second pulse signal, and to which a voltage synchronized with a driving signal for the switching elements Q11 and Q12 is applied. |
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A current having a phase delayed by 90° from the first pulse signal flows in a first series resonance circuit L1, C1 to which the first pulse signal is applied. A switching element Q21 is on/off controlled by the current of the first series resonance circuit. A current having a phase delayed by 90° from the second pulse signal flows in a second series resonance circuit L2, C2 to which the second pulse signal is applied. A switching element Q22 is on/off controlled by the current of the second series resonance circuit. Therefore, a phase of an operation of a second converter 4 is shifted by 90° from that of the first converter 3. The pulse generation circuit has a third transformer T3 having a secondary coil Na3 outputting the first pulse signal and a secondary coil Na4 outputting the second pulse signal, and to which a voltage synchronized with a driving signal for the switching elements Q11 and Q12 is applied.</description><language>eng</language><subject>APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC,OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWERSUPPLY SYSTEMS ; CONTROL OR REGULATION THEREOF ; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUTPOWER ; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ; ELECTRICITY ; GENERATION</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=20130107&DB=EPODOC&CC=JP&NR=2013005547A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25564,76547</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20130107&DB=EPODOC&CC=JP&NR=2013005547A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>KYONO YOICHI</creatorcontrib><title>SWITCHING POWER SUPPLY DEVICE</title><description>PROBLEM TO BE SOLVED: To provide a switching power supply device capable of operating respective switching elements independently of a level of an input DC voltage by using a low-voltage transformer.SOLUTION: A switching power supply device has a pulse generation circuit outputting a first (a second) pulse signal depending on a switching state of a switching element Q11 (Q12). A current having a phase delayed by 90° from the first pulse signal flows in a first series resonance circuit L1, C1 to which the first pulse signal is applied. A switching element Q21 is on/off controlled by the current of the first series resonance circuit. A current having a phase delayed by 90° from the second pulse signal flows in a second series resonance circuit L2, C2 to which the second pulse signal is applied. A switching element Q22 is on/off controlled by the current of the second series resonance circuit. Therefore, a phase of an operation of a second converter 4 is shifted by 90° from that of the first converter 3. The pulse generation circuit has a third transformer T3 having a secondary coil Na3 outputting the first pulse signal and a secondary coil Na4 outputting the second pulse signal, and to which a voltage synchronized with a driving signal for the switching elements Q11 and Q12 is applied.</description><subject>APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC,OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWERSUPPLY SYSTEMS</subject><subject>CONTROL OR REGULATION THEREOF</subject><subject>CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUTPOWER</subject><subject>CONVERSION OR DISTRIBUTION OF ELECTRIC POWER</subject><subject>ELECTRICITY</subject><subject>GENERATION</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2013</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZJANDvcMcfbw9HNXCPAPdw1SCA4NCPCJVHBxDfN0duVhYE1LzClO5YXS3AxKbq5A5bqpBfnxqcUFicmpeakl8V4BRgaGxgYGpqYm5o7GRCkCAOcIIag</recordid><startdate>20130107</startdate><enddate>20130107</enddate><creator>KYONO YOICHI</creator><scope>EVB</scope></search><sort><creationdate>20130107</creationdate><title>SWITCHING POWER SUPPLY DEVICE</title><author>KYONO YOICHI</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_JP2013005547A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>2013</creationdate><topic>APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC,OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWERSUPPLY SYSTEMS</topic><topic>CONTROL OR REGULATION THEREOF</topic><topic>CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUTPOWER</topic><topic>CONVERSION OR DISTRIBUTION OF ELECTRIC POWER</topic><topic>ELECTRICITY</topic><topic>GENERATION</topic><toplevel>online_resources</toplevel><creatorcontrib>KYONO YOICHI</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>KYONO YOICHI</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>SWITCHING POWER SUPPLY DEVICE</title><date>2013-01-07</date><risdate>2013</risdate><abstract>PROBLEM TO BE SOLVED: To provide a switching power supply device capable of operating respective switching elements independently of a level of an input DC voltage by using a low-voltage transformer.SOLUTION: A switching power supply device has a pulse generation circuit outputting a first (a second) pulse signal depending on a switching state of a switching element Q11 (Q12). A current having a phase delayed by 90° from the first pulse signal flows in a first series resonance circuit L1, C1 to which the first pulse signal is applied. A switching element Q21 is on/off controlled by the current of the first series resonance circuit. A current having a phase delayed by 90° from the second pulse signal flows in a second series resonance circuit L2, C2 to which the second pulse signal is applied. A switching element Q22 is on/off controlled by the current of the second series resonance circuit. Therefore, a phase of an operation of a second converter 4 is shifted by 90° from that of the first converter 3. The pulse generation circuit has a third transformer T3 having a secondary coil Na3 outputting the first pulse signal and a secondary coil Na4 outputting the second pulse signal, and to which a voltage synchronized with a driving signal for the switching elements Q11 and Q12 is applied.</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC,OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWERSUPPLY SYSTEMS CONTROL OR REGULATION THEREOF CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUTPOWER CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ELECTRICITY GENERATION |
| title | SWITCHING POWER SUPPLY DEVICE |
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