| CPC H05B 47/155 (2020.01) [H05B 45/345 (2020.01); H05B 47/16 (2020.01); H05B 45/20 (2020.01)] | 19 Claims |
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1. A lighting decoration control system for a Christmas tree, comprising a power supply device (10), a control device (20) and a LED light string (30),
wherein said power supply device (10) comprises: a first housing (11) and a power circuit 12 received inside said first housing (11),
said power circuit (12) having a power input terminal and a power output terminal comprises a first rectifier filter circuit (121) connected to said power input terminal, a power chip U1 connected to said first rectifier filter circuit (121), a feedback circuit (122) connected to said power chip U1, a transformer T1 comprising a primary coil connected to said power chip U1 and a secondary coil, and a second rectifier filter circuit (123) connected to said secondary coil of said transformer T1 and said power output terminal, wherein said first housing (11) comprises a power plug (111) connecting to said power input terminal and a first output (112) connected to said power output terminal;
said control device (20) comprises a second housing (21) and a control circuit (22) received inside said second housing (21), wherein said second housing (21) comprises a control key (211) or a radio frequency remote control key (212) provided thereon, a plug-in input terminal (213) and a plug-in second output terminal (214); said control circuit (22) comprises a power supply circuit (221), a detection and protection circuit (222) connected to said power supply circuit (221) as well as said control key (211) or said radio frequency remote control key (212) respectively, a main control chip IC1, a signal processing chip IC2, a radio frequency receiving circuit (223) and a function control circuit (224) connected to said detection and protection circuit (222) respectively,
said main control chip IC1 is configured to process functional control on said LED light string (30) through the function control circuit (224), and the signal processing chip IC2 is configured to process data sent by the remote-control device received by said radio frequency receiving circuit (223),
said LED light string (30) is composed of a plurality groups of poleless dual-color LED light strings (311) connected together, or a plurality groups of discrete poleless LED light strings (312) connected together, in each said group of poleless dual-color LED light strings (311) or discrete poleless LED light strings (312), at least one LED double-flash light bead (313) is provided,
said LED light string (30) is electrically connected to said second output terminal (214) of said control device (20) through a connecting wire, and said control device (20) controls an on/off switching, a light flashing, a color change, and a time setting of said LED light string (30), said plurality groups of poleless dual-color LED light strings (311) or said plurality groups of discrete poleless LED light strings (312) are arranged to install on different branches of the Christmas tree (40) respectively.
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