LED light string and control method thereof

• US 9,095,014 B2
• Filed: 06/07/2012
• Issued: 07/28/2015
• Est. Priority Date: 06/07/2012
• Status: Expired due to Fees

• Current Assignee: Wellsino Electric Co., Ltd.
• Original Assignee: Wellsino Electric Co., Ltd.
• Inventors: Chen, Jerry
• Primary Examiner(s): Hiltunen, Thomas J
• Application Number:
  US13/491,225
• Publication Number:
  US 20130328490A1
• Time in Patent Office: 1,146 Days
• US Class Current: 1/1
• CPC Class Codes: H05B 47/185 via power line carrier transmission
• CPC Class Codes: H05B 47/19 via wireless transmission

Abstract

A LED light string contains an adjustable remote control and a control host connected with the LED light string, wherein the adjustable remote control includes a button set, a subhost MCU, and a TX transmitter module, the sub host includes a TX coding module, and a variation of a pressed time and/or a pressing way of the button set generates a press signal received and coded by the TX coding module; the control host includes a RX receiver module and a host MCU; the host MCU includes an AC 60 HZ/50 HZ synchronization over-zero module, a RF decoding analysis module, and a two-way controllable silicon driving circuit module, thus controlling a light flash of the LED light string.

Claims

1. A LED light string comprising:

an adjustable remote control and a control host connected with the LED light string, characterized in that;

the adjustable remote control includes a button set, a subhost MCU, and a TX transmitter module, the sub host includes a TX coding module for saving predetermined transmitting codes, and a variation of a pressed time and/or a pressing way of the button set generates a press signal received and coded by the TX coding module, and then a control signal is transmitted to the control host by the TX transmitter module to correspond to the press signal;

the control host includes a RX receiver module and a host MCU connected with the RX receiver module, the RX receiver module receives the control signal transmitted by the TX transmitter module and then transmits the control signal to the host MCU;

the host MCU includes an AC 60 HZ/50 HZ synchronization over-zero module, a RF decoding analysis module, and a two-way controllable silicon driving circuit module;

the AC 60 HZ/50 HZ synchronization over-zero module is used to acquire a 60 HZ/50 HZ signal in an alternating current to control a conductive phase angle of a silicon controlled rectifier such that the LED light string flashes in a light on-off and increasing-decreasing manner;

the RF decoding analysis module analyzes different control signals and outputs a flash signal corresponding to the different control signals to drive the silicon controlled rectifier;

the two-way controllable silicon driving circuit module connects with the LED light string and changes a conductive phase angle of a two-way silicon controlled rectifier by using a software coding method and a conduction current and changes a phase angle of a positive half-cycle and a negative half-cycle of the LED light string, thus controlling a light flash of the LED light string.

2. The LED light string as claimed in claim 1, wherein the adjustable remote control and the control host are connected in a wireless connection manner.

3. The LED light string as claimed in claim 1, wherein the LED light string is comprised of at least two LED light sets, and each LED light set has at least two different colors of LED lights.

4. The LED light string as claimed in claim 3, wherein the button set includes a control button and a switch, the control button is severed to realize six light flashes on the basis of different pressed times, the RF decoding analysis module analyzes the control signal transmitted from the adjustable remote control, the two-way controllable silicon driving circuit module changes the conductive phase angle of the two-way silicon controlled rectifier, a conduction current of the LED light string, a phase angle of a positive half-cycle and a negative half-cycle of the LED light string based on the flash signal, thus controlling a light flash of the LED light string.

5. The LED light string as claimed in claim 4, wherein the pressed time of the control button is seven to generate six light flashes containing:

as pressing the control button at first time;

the LED light string is turned on in a first mode, i.e., starting the A-color LED lights;

as pressing the control button at second time;

the LED light string is turned on in a second mode, i.e., starting the B-color LED lights;

as pressing the control button at third time;

the LED light string is turned on in a third mode, i.e., the A-color LED lights flash to correspond to the B-color LED lights which flash;

as pressing the control button at fifth time;

the LED light string is turned on in a fourth mode, i.e., the A-color LED lights illuminate in six automatic cycle modes including a first small mode;

the A-color LED lights illuminate;

a second small mode;

the A-color LED lights illuminate in a wave type;

a third small mode;

the A-color LED lights illuminate in a water drop type;

a fourth small mode;

the A-color LED lights and the B-color LED lights illuminate in a step-by-step changing type, for instance, when the A-color LED lights illuminate in a bright-to-dim type, the B-color LED lights illuminate in a dim-to-bright type or when the B-color LED lights illuminate in the bright-to-dim type, the A-color LED lights illuminate in the dim-to-bright type;

a fifth small mode;

the A-color LED lights illuminate to one direction in the wave type, and then the A-color LED lights and the B-color LED lights respectively flash in turn, thereafter the A-color LED lights illuminate to an opposite direction in the wave type, finally the A-color LED lights and the B-color LED lights respectively flash in turn in the opposite direction;

a sixth small mode;

the A-color LED lights become dim gradually and then become bright gradually;

a seventh small mode;

A-color LED lights flash in turn;

as pressing the control button at fifth time;

the LED light string is turned on in a fifth mode, i.e., the B-color LED lights illuminate in six automatic cycle modes including a first small mode;

the B-color LED lights illuminate;

a second small mode;

the B-color LED lights illuminate in a wave type;

a third small mode;

the B-color LED lights illuminate in the water drop type;

a fourth small mode;

the B-color LED lights and the B-color LED lights illuminate in a step-by-step changing type, for instance, when the B-color LED lights illuminate in a bright-to-dim type, the B-color LED lights illuminate in a dim-to-bright type or when the B-color LED lights illuminate in the bright-to-dim type, the B-color LED lights illuminate in the dim-to-bright type;

a fifth small mode;

the B-color LED lights illuminate to one direction in the wave type, and then the B-color LED lights and the A-color LED lights respectively flash in turn, thereafter the B-color LED lights illuminate to an opposite direction in the wave type, finally the B-color LED lights and the A-color LED lights respectively flash in turn in the opposite direction;

a sixth small mode;

the B-color LED lights become dim gradually and then become bright gradually;

a seventh small mode;

B-color LED lights flash in turn;

as pressing the control button at sixth time;

LED light string illuminates in the sixth small mode and automatically cycles from the first small mode to the fifth small mode;

as pressing the control button at seventh time;

the LED light string illuminates in the first small mode. i.e., the six LED light sets illuminate circularly. Besides, pressing the control button at the first time means pressing the switch and then pressing the control button.

6. The LED light string as claimed in claim 4, wherein a carrier frequency point of the adjustable remote control is 433 MHz.

7. The LED light string as claimed in claim 4, wherein the transmitter module contains a TX transmitting circuit connected with a transmitting antenna.

8. The LED light string as claimed in claim 1, wherein the adjustable remote control and the control host include a step-down circuit, a rectifier circuit, a filter circuit, and a regulator circuit.

9. A control method of the LED light string as claimed in claim 1 comprises steps of:

S100 including receiving a button signal from a control button by using a TX coding module of an adjustable remote control, transmitting a control signal to a control host after the control signal is coed;

S200 including controlling a RX receiver module of the adjustable remote control to receive the control signal transmitted and then transmitting the control signal to the host MCU;

S300 including acquiring a 60 HZ/50 HZ signal in an alternating current by using an AC 60 HZ/50 HZ synchronization over-zero module of a host MCU to control a conductive phase angle of a silicon controlled rectifier;

analyzing the control signal by ways of a RF decoding analysis module and outputting a flash signal to drive the silicon controlled rectifier;

connecting a two-way controllable silicon driving circuit module with the LED light string, and changing a conductive phase angle of the two-way silicon controlled rectifier by using a software coding method and a conduction current and changing a phase angle of a positive half-cycle and a negative half-cycle of the LED light string, thus controlling a light flash of the LED light string;

S400 changing a pressed time of the control button so that the control signal is transmitted to the control host by the TX transmitter module to correspond to a press signal, wherein the control button is pressed one time to correspond to the control signal, and the control button is pressed twice to correspond to the control signal, and so no. The RF decoding analysis module analyzes different control signals and outputs a flash signal corresponding to the different control signals to drive the silicon controlled rectifier, thus controlling and shifting a light flash of the LED light string.

10. The LED light string as claimed in claim 9, wherein the pressed time of the control button is seven to generate six light flashes containing:

as pressing the control button at first time;

the LED light string is turned on in a first mode, i.e., starting the A-color LED lights;

as pressing the control button at second time;

the LED light string is turned on in a second mode, i.e., starting the B-color LED lights;

as pressing the control button at third time;

the LED light string is turned on in a third mode, i.e., the A-color LED lights flash to correspond to the B-color LED lights which flash;

as pressing the control button at fifth time;

the LED light string is turned on in a fourth mode, i.e., the A-color LED lights illuminate in six automatic cycle modes including a first small mode;

the A-color LED lights illuminate;

a second small mode;

the A-color LED lights illuminate in a wave type;

a third small mode;

the A-color LED lights illuminate in a water drop type;

a fourth small mode;

the A-color LED lights and the B-color LED lights illuminate in a step-by-step changing type, for instance, when the A-color LED lights illuminate in a bright-to-dim type, the B-color LED lights illuminate in a dim-to-bright type or when the B-color LED lights illuminate in the bright-to-dim type, the A-color LED lights illuminate in the dim-to-bright type;

a fifth small mode;

the A-color LED lights illuminate to one direction in the wave type, and then the A-color LED lights and the B-color LED lights respectively flash in turn, thereafter the A-color LED lights illuminate to an opposite direction in the wave type, finally the A-color LED lights and the B-color LED lights respectively flash in turn in the opposite direction;

a sixth small mode;

the A-color LED lights become dim gradually and then become bright gradually;

a seventh small mode;

A-color LED lights flash in turn;

as pressing the control button at fifth time;

the LED light string is turned on in a fifth mode, i.e., the B-color LED lights illuminate in six automatic cycle modes including a first small mode;

the B-color LED lights illuminate;

a second small mode;

the B-color LED lights illuminate in a wave type;

a third small mode;

the B-color LED lights illuminate in the water drop type;

a fourth small mode;

the B-color LED lights and the B-color LED lights illuminate in a step-by-step changing type, for instance, when the B-color LED lights illuminate in a bright-to-dim type, the B-color LED lights illuminate in a dim-to-bright type or when the B-color LED lights illuminate in the bright-to-dim type, the B-color LED lights illuminate in the dim-to-bright type;

a fifth small mode;

the B-color LED lights illuminate to one direction in the wave type, and then the B-color LED lights and the A-color LED lights respectively flash in turn, thereafter the B-color LED lights illuminate to an opposite direction in the wave type, finally the B-color LED lights and the A-color LED lights respectively flash in turn in the opposite direction;

a sixth small mode;

the B-color LED lights become dim gradually and then become bright gradually;

a seventh small mode;

B-color LED lights flash in turn;

as pressing the control button at sixth time;

LED light string illuminates in the sixth small mode and automatically cycles from the first small mode to the fifth small mode;

as pressing the control button at seventh time;

the LED light string illuminates in the first small mode. i.e., the six LED light sets illuminate circularly. Besides, pressing the control button at the first time means pressing the switch and then pressing the control button.