Improved silicon controlled LED dimming drive circuit
The invention relates to an improved silicon controlled LED dimming drive circuit, which comprises a silicon controlled dimming unit. The improved silicon controlled LED dimming drive circuit is characterized in that an output end of the silicon controlled dimming unit is provided with a single-stag...
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| creator | WANG JUN HUANG ZUHAO CEN RUIQIU |
| description | The invention relates to an improved silicon controlled LED dimming drive circuit, which comprises a silicon controlled dimming unit. The improved silicon controlled LED dimming drive circuit is characterized in that an output end of the silicon controlled dimming unit is provided with a single-stage PFC conversion unit, a dimming unit, an input voltage waveform detection unit, an output current sampling unit and an output control unit; the output end of the silicon controlled dimming unit is connected to an input end of the single-stage PFC conversion unit, an output end of the single-stage PFC conversion unit is connected to an input end of the output control unit, and the output control unit has a constant-current voltage output end and a power supply input end for external connection with an LED light; and an output end of the output current sampling unit and an output end of the input voltage waveform detection unit are connected with an input end of the dimming unit, and a control signal is outputted through the dimming unit to control the single-stage PFC conversion unit to have a constant output current. The invention has the characteristics of high compatibility, stability and reliability. |
| format | Patent |
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The improved silicon controlled LED dimming drive circuit is characterized in that an output end of the silicon controlled dimming unit is provided with a single-stage PFC conversion unit, a dimming unit, an input voltage waveform detection unit, an output current sampling unit and an output control unit; the output end of the silicon controlled dimming unit is connected to an input end of the single-stage PFC conversion unit, an output end of the single-stage PFC conversion unit is connected to an input end of the output control unit, and the output control unit has a constant-current voltage output end and a power supply input end for external connection with an LED light; and an output end of the output current sampling unit and an output end of the input voltage waveform detection unit are connected with an input end of the dimming unit, and a control signal is outputted through the dimming unit to control the single-stage PFC conversion unit to have a constant output current. The invention has the characteristics of high compatibility, stability and reliability.</description><language>eng</language><subject>ELECTRIC HEATING ; ELECTRIC LIGHTING NOT OTHERWISE PROVIDED FOR ; ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR ; ELECTRICITY</subject><creationdate>2015</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=20151216&DB=EPODOC&CC=CN&NR=105163416A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25562,76317</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20151216&DB=EPODOC&CC=CN&NR=105163416A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>WANG JUN</creatorcontrib><creatorcontrib>HUANG ZUHAO</creatorcontrib><creatorcontrib>CEN RUIQIU</creatorcontrib><title>Improved silicon controlled LED dimming drive circuit</title><description>The invention relates to an improved silicon controlled LED dimming drive circuit, which comprises a silicon controlled dimming unit. The improved silicon controlled LED dimming drive circuit is characterized in that an output end of the silicon controlled dimming unit is provided with a single-stage PFC conversion unit, a dimming unit, an input voltage waveform detection unit, an output current sampling unit and an output control unit; the output end of the silicon controlled dimming unit is connected to an input end of the single-stage PFC conversion unit, an output end of the single-stage PFC conversion unit is connected to an input end of the output control unit, and the output control unit has a constant-current voltage output end and a power supply input end for external connection with an LED light; and an output end of the output current sampling unit and an output end of the input voltage waveform detection unit are connected with an input end of the dimming unit, and a control signal is outputted through the dimming unit to control the single-stage PFC conversion unit to have a constant output current. The invention has the characteristics of high compatibility, stability and reliability.</description><subject>ELECTRIC HEATING</subject><subject>ELECTRIC LIGHTING NOT OTHERWISE PROVIDED FOR</subject><subject>ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR</subject><subject>ELECTRICITY</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2015</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZDD1zC0oyi9LTVEozszJTM7PUwDikqL8nBygkI-ri0JKZm5uZl66QkpRZlmqQnJmUXJpZgkPA2taYk5xKi-U5mZQdHMNcfbQTS3Ij08tLkhMTs1LLYl39jM0MDU0MzYxNHM0JkYNAF5iLQY</recordid><startdate>20151216</startdate><enddate>20151216</enddate><creator>WANG JUN</creator><creator>HUANG ZUHAO</creator><creator>CEN RUIQIU</creator><scope>EVB</scope></search><sort><creationdate>20151216</creationdate><title>Improved silicon controlled LED dimming drive circuit</title><author>WANG JUN ; HUANG ZUHAO ; CEN RUIQIU</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_CN105163416A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>2015</creationdate><topic>ELECTRIC HEATING</topic><topic>ELECTRIC LIGHTING NOT OTHERWISE PROVIDED FOR</topic><topic>ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR</topic><topic>ELECTRICITY</topic><toplevel>online_resources</toplevel><creatorcontrib>WANG JUN</creatorcontrib><creatorcontrib>HUANG ZUHAO</creatorcontrib><creatorcontrib>CEN RUIQIU</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>WANG JUN</au><au>HUANG ZUHAO</au><au>CEN RUIQIU</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Improved silicon controlled LED dimming drive circuit</title><date>2015-12-16</date><risdate>2015</risdate><abstract>The invention relates to an improved silicon controlled LED dimming drive circuit, which comprises a silicon controlled dimming unit. The improved silicon controlled LED dimming drive circuit is characterized in that an output end of the silicon controlled dimming unit is provided with a single-stage PFC conversion unit, a dimming unit, an input voltage waveform detection unit, an output current sampling unit and an output control unit; the output end of the silicon controlled dimming unit is connected to an input end of the single-stage PFC conversion unit, an output end of the single-stage PFC conversion unit is connected to an input end of the output control unit, and the output control unit has a constant-current voltage output end and a power supply input end for external connection with an LED light; and an output end of the output current sampling unit and an output end of the input voltage waveform detection unit are connected with an input end of the dimming unit, and a control signal is outputted through the dimming unit to control the single-stage PFC conversion unit to have a constant output current. The invention has the characteristics of high compatibility, stability and reliability.</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | ELECTRIC HEATING ELECTRIC LIGHTING NOT OTHERWISE PROVIDED FOR ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR ELECTRICITY |
| title | Improved silicon controlled LED dimming drive circuit |
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