POWER SUPPLY DEVICE AND LIGHTING APPARATUS
PROBLEM TO BE SOLVED: To provide a power supply device and lighting apparatus in which a rectifier is not destroyed even if a transitional voltage, such as a lightning surge, is applied between power source lines.SOLUTION: A power supply device 10 and a lighting apparatus 1 comprise: a rectifier DB...
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| creator | SUMI YOSHIKAZU NISHIMOTO KAZUHIRO |
| description | PROBLEM TO BE SOLVED: To provide a power supply device and lighting apparatus in which a rectifier is not destroyed even if a transitional voltage, such as a lightning surge, is applied between power source lines.SOLUTION: A power supply device 10 and a lighting apparatus 1 comprise: a rectifier DB rectifying a AC power source; a boosting chopper circuit 14 acquiring a boosted desired voltage using an energy accumulated in a inductor L1 by turning on and off an output of the rectifier DB by a switching element Q1; and a current-limiting element Z inserted between the rectifier DB and the boosting chopper circuit 14. To the current-limiting element Z, the switching element Q1 is connected in parallel, and the switching element Q1 is driven by a first drive circuit 11 that is fed back from an output of the boosting chopper circuit 14, and a second drive circuit 13 that generates an ON signal if an output voltage of the rectifier DB becomes beyond a prescribed value higher than that of a normal time. |
| format | Patent |
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To the current-limiting element Z, the switching element Q1 is connected in parallel, and the switching element Q1 is driven by a first drive circuit 11 that is fed back from an output of the boosting chopper circuit 14, and a second drive circuit 13 that generates an ON signal if an output voltage of the rectifier DB becomes beyond a prescribed value higher than that of a normal time.</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 ; ELECTRIC HEATING ; ELECTRIC LIGHTING NOT OTHERWISE PROVIDED FOR ; ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR ; ELECTRICITY ; GENERATION</subject><creationdate>2011</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=20111201&DB=EPODOC&CC=JP&NR=2011244565A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25564,76547</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20111201&DB=EPODOC&CC=JP&NR=2011244565A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>SUMI YOSHIKAZU</creatorcontrib><creatorcontrib>NISHIMOTO KAZUHIRO</creatorcontrib><title>POWER SUPPLY DEVICE AND LIGHTING APPARATUS</title><description>PROBLEM TO BE SOLVED: To provide a power supply device and lighting apparatus in which a rectifier is not destroyed even if a transitional voltage, such as a lightning surge, is applied between power source lines.SOLUTION: A power supply device 10 and a lighting apparatus 1 comprise: a rectifier DB rectifying a AC power source; a boosting chopper circuit 14 acquiring a boosted desired voltage using an energy accumulated in a inductor L1 by turning on and off an output of the rectifier DB by a switching element Q1; and a current-limiting element Z inserted between the rectifier DB and the boosting chopper circuit 14. To the current-limiting element Z, the switching element Q1 is connected in parallel, and the switching element Q1 is driven by a first drive circuit 11 that is fed back from an output of the boosting chopper circuit 14, and a second drive circuit 13 that generates an ON signal if an output voltage of the rectifier DB becomes beyond a prescribed value higher than that of a normal time.</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>ELECTRIC HEATING</subject><subject>ELECTRIC LIGHTING NOT OTHERWISE PROVIDED FOR</subject><subject>ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR</subject><subject>ELECTRICITY</subject><subject>GENERATION</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2011</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZNAK8A93DVIIDg0I8IlUcHEN83R2VXD0c1Hw8XT3CPH0c1dwDAhwDHIMCQ3mYWBNS8wpTuWF0twMSm6uIc4euqkF-fGpxQWJyal5qSXxXgFGBoaGRiYmpmamjsZEKQIAoP0lJQ</recordid><startdate>20111201</startdate><enddate>20111201</enddate><creator>SUMI YOSHIKAZU</creator><creator>NISHIMOTO KAZUHIRO</creator><scope>EVB</scope></search><sort><creationdate>20111201</creationdate><title>POWER SUPPLY DEVICE AND LIGHTING APPARATUS</title><author>SUMI YOSHIKAZU ; NISHIMOTO KAZUHIRO</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_JP2011244565A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>2011</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>ELECTRIC HEATING</topic><topic>ELECTRIC LIGHTING NOT OTHERWISE PROVIDED FOR</topic><topic>ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR</topic><topic>ELECTRICITY</topic><topic>GENERATION</topic><toplevel>online_resources</toplevel><creatorcontrib>SUMI YOSHIKAZU</creatorcontrib><creatorcontrib>NISHIMOTO KAZUHIRO</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>SUMI YOSHIKAZU</au><au>NISHIMOTO KAZUHIRO</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>POWER SUPPLY DEVICE AND LIGHTING APPARATUS</title><date>2011-12-01</date><risdate>2011</risdate><abstract>PROBLEM TO BE SOLVED: To provide a power supply device and lighting apparatus in which a rectifier is not destroyed even if a transitional voltage, such as a lightning surge, is applied between power source lines.SOLUTION: A power supply device 10 and a lighting apparatus 1 comprise: a rectifier DB rectifying a AC power source; a boosting chopper circuit 14 acquiring a boosted desired voltage using an energy accumulated in a inductor L1 by turning on and off an output of the rectifier DB by a switching element Q1; and a current-limiting element Z inserted between the rectifier DB and the boosting chopper circuit 14. To the current-limiting element Z, the switching element Q1 is connected in parallel, and the switching element Q1 is driven by a first drive circuit 11 that is fed back from an output of the boosting chopper circuit 14, and a second drive circuit 13 that generates an ON signal if an output voltage of the rectifier DB becomes beyond a prescribed value higher than that of a normal time.</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 ELECTRIC HEATING ELECTRIC LIGHTING NOT OTHERWISE PROVIDED FOR ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR ELECTRICITY GENERATION |
| title | POWER SUPPLY DEVICE AND LIGHTING APPARATUS |
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