Universal power adapter

The invention discloses a universal power adapter relating to a power adaptive device of an electronic device, in particular to a universal power adapter which can regulate and set output voltage, hasself-adapting power matching, conforms to the prior national standard and has a changeover plug. The...

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Bibliographische Detailangaben
Hauptverfasser:	PENG SHENGXIANG, ANG XU
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	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
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Beschreibung
Zusammenfassung:	The invention discloses a universal power adapter relating to a power adaptive device of an electronic device, in particular to a universal power adapter which can regulate and set output voltage, hasself-adapting power matching, conforms to the prior national standard and has a changeover plug. The universal power adapter is provided with an AC/DC converting circuit, a DC/DC converting circuit,a voltage regulating and output circuit, a voltage sampling circuit, a voltage regulating key, a power measurement and control circuit and a display circuit. The invention overcomes the defect of theuniversality of the prior adapter and can be suitable for all mobile electronic devices and portable electronic devices such as cellphones, digital cameras, Walkmans, game machines, DV, PDA, MP3/MP4,domestic routers, ADSL_MODEM, laptop computers, and the like. With an intelligentized function, the universal power adapter can provide stabilized power which can be set for various portable electronic devices comprising cellpho