Point-controlled LED light string and manufacturing method thereof

Abstract

A point-controlled LED light string and a manufacturing method thereof, the light string comprises a DC power supply controller integrated with a plurality of address registers; and LED lights each with a unique address code. The LED lights form a light string with an address code random method, according to a sequence in which the LED lights are connected and arranged in the light string, associating the LED lights one to one with the corresponding address registers, and each of the address registers stores a corresponding address code of a corresponding LED light. The method comprises the steps of selecting LED lights each with a unique address code by an address code random method randomly to form a light string, storing the address codes of the LED lights in address registers arranged in an orderly manner, and associating the address registers one to one with corresponding LED lights.

Claims

1. A point-controlled LED light string comprising: a DC power supply controller; LED lights each with a unique address code, the address codes arranged in an order; and a power output interface of the DC power supply controller used to provide DC power and output a control signal capable of controlling the LED lights to illuminate; wherein the LED lights are connected in series or in parallel to form a light string independent of the order of the address codes, the light string is connected to the power output interface, the DC power supply controller is integrated with a plurality of address registers, the address registers are arranged in an orderly manner, the LED lights correspond one to one with the address registers according to a sequence in which the LED lights are connected and arranged in the light string, and each of the address registers stores a corresponding address code of a corresponding LED light.

2. The point-controlled LED light string as claimed in claim 1, wherein each of the LED lights comprises a control chip and a light-emitting diode connected to the control chip, and the control chip is disposed with a read-only memory for storing a 4-bit or 8-bit or 16-bit address code.

3. The point-controlled LED light string as claimed in claim 2, wherein each of the address registers is a 4-bit or 8-bit or 16-bit non-volatile memory.

4. The point-controlled LED light string as claimed in claim 1, wherein the address code is stored in a corresponding address register in a stack mode, and addresses of the address registers are consecutively arranged.

5. The point-controlled LED light string as claimed in claim 2, wherein the address code is stored in a corresponding address register in a stack mode, and addresses of the address registers are consecutively arranged.

6. The point-controlled LED light string as claimed in claim 3, wherein the address code is stored in a corresponding address register in a stack mode, and addresses of the address registers are consecutively arranged.

7. The point-controlled LED light string as claimed in claim 2, wherein the DC power supply controller is disposed with a bus, a microprocessor connected to the bus, and a power output interface connected to the bus, the address registers are connected to the bus, the microprocessor controls the power output interface to continuously output high electric level to power the LED lights or to output high and low electric level signals according to the corresponding address code stored in the address registers to control the corresponding LED light.

8. A manufacturing method for a point-controlled LED light string comprising the following steps of: A. manufacturing a batch of LED lights each with a unique address code, the address codes arranged in an order, selecting the LED lights independent of the order of the address codes, and connecting the LED lights in series or in parallel to form a light string; B. manufacturing a DC power supply controller having a power output interface and a plurality of address registers arranged in an orderly manner, and connecting the light string with the power output interface, the power output interface being used to provide DC power and output a control signal, the control signal capable of controlling the LED lights to illuminate; and C. collecting the address codes of the LED lights successively according to a sequence in which the LED lights are connected and arranged in the light string, storing the address codes of the LED lights in the address registers, and associating the address registers one to one with corresponding LED lights.

9. The manufacturing method for the point-controlled LED light string as claimed in claim 8, wherein step A further comprises the steps of manufacturing a first control chip of a first LED light of the LED lights and writing a first address code into the first control chip, connecting the first control chip with a first light-emitting diode to form the first LED light, and then connecting the LED lights in series or in parallel on a power bus to form the light string.

10. The manufacturing method for the point-controlled LED light string as claimed in claim 8, wherein step A further comprises the steps of connecting a first control chip with a first light-emitting diode to form a first LED light of the LED lights, writing a first address code into the first control chip, and then connecting the LED lights in series or in parallel on a power bus to form the light string.

11. The manufacturing method for the point-controlled LED light string as claimed in claim 8 further comprising the steps of using an address code collecting tool to collect address codes of the LED lights starting from a first LED light and according to a connecting sequence of the LED lights in the light string, entering the address codes into a storage device, and writing the address codes from the storage device into the address registers of the DC power supply controller in a stack mode.

12. The manufacturing method for the point-controlled LED light string as claimed in claim 9 further comprising the steps of using an address code collecting tool to collect address codes of the LED lights starting from a first LED light and according to a connecting sequence of the LED lights in the light string, entering the address codes into a storage device, and writing the address codes from the storage device into the address registers of the DC power supply controller in a stack mode.

13. The manufacturing method for the point-controlled LED light string as claimed in claim 10 further comprising the steps of using an address code collecting tool to collect address codes of the LED lights starting from a first LED light and according to a connecting sequence of the LED lights in the light string, entering the address codes into a storage device, and writing the address codes from the storage device into the address registers of the DC power supply controller in a stack mode.

Description

BRIEF DESCRIPTION OF THE DRAWINGS

(1) FIG. 1 is a schematic diagram of a structure of one embodiment of a point-controlled LED light string;

(2) FIG. 2 is a schematic diagram of a structure of one embodiment of an LED light in FIG. 1;

(3) FIG. 3 is a schematic diagram of a structure of one embodiment of a DC power supply controller in FIG. 1; and

(4) FIG. 4 is a schematic diagram of a process of step C in one embodiment of a manufacturing method for the point-controlled LED light string.

DETAILED DESCRIPTION OF THE INVENTION

(5) The technical solutions of the invention are further described below with reference to the specific embodiments of the invention in conjunction with the accompanied drawings, but the invention is not limited to the embodiments.

Embodiment 1

(6) As shown in FIG. 1, one embodiment of a point-controlled LED light string comprises a DC power supply controller 1 and a light string 2, the light string 2 is formed by LED lights 21 each with a unique address code connected in parallel or in series by using an address code random method. In this embodiment, connection in parallel is adopted. A power output interface 11 of the DC power supply controller 1 is used to provide DC power and used to output a control signal, the control signal capable of controlling the LED lights 21 to illuminate. The light string 2 is connected to the power output interface 11, the DC power supply controller 1 is integrated with a plurality of address registers 12, and the address registers 12 are arranged in an orderly manner. According to a connection sequence of the address registers 12, the address registers 12 correspond one to one with the LED lights 21 arranged in sequence on the light string 2, and each of the address registers 12 stores a corresponding address code of a corresponding LED light 21. Through a finished product with the light string 2 formed by the LED lights 21 each with a unique address code arranged by using an address code random method, and the DC power supply controller 1 having the address registers 12 corresponding one to one with the LED lights 21, a manufacturing efficiency of the LED light string 2 can be improved. Specific description is provided below.

(7) With reference to FIG. 1 and FIG. 2, each of one embodiment of the LED lights 21 includes a control chip 211 and a light-emitting diode 212 connected to the control chip 211. The light-emitting diode 212 can be a monochromatic light-emitting diode 212 or a RGB tri-color light-emitting diode 212, the RGB tri-color light-emitting diode 212 is packaged with R light-emitting diode that emits red light, G light-emitting diode that emits green light, and B light-emitting diode that emits blue light. The control chip 211 is a microcontroller. The microcontroller is equipped with a ROM read-only memory for storing the address codes. The ROM read-only memory stores a unique 8-bit address code representing the LED light 21. Different address code sizes can be applied to different applications, the 8-bit address code can form the light string 2 with the 255 LED lights 21. As an option, the 16-bit address code can be applied to the light string 2 with thousands of the LED lights 21, and the 4-bit address code can be selected for smaller applications. The microcontroller is connected to a power bus 3, power is supplied for the microcontroller and the LED lights 21 through the power bus 3, and the control chip 211 and the DC power supply controller 1 perform serial communication through the power bus 3. When the DC power supply controller 1 looks up addresses, the time is very short, generally 10-50 milliseconds, and human eyes cannot feel flicker. Therefore, through the power bus 3, the DC power supply controller 1 is capable of supplying power to the LED lights 21, and individually controlling a certain LED light 21.

(8) With reference to FIG. 1 and FIG. 3, one embodiment of a bus 13 is configured in the DC power supply controller 1, and a microprocessor 14, a program ROM 15, a power output interface 11 and the address registers 12 are connected to the bus 13. The power output interface 11 is connected to the power bus 3, the address register 12 is a 8-bit non-volatile memory, the address code is stored in a corresponding address register 12 in a stack mode, and addresses of the address registers 12 are consecutively and sequentially arranged. Generally, the address registers 12 are arranged from low to high addresses, the first address register 12 corresponds to the first LED light 21, and the second address register 12 corresponds to the second LED light 21. Based on a program stored in a memory of the program ROM 15, the program being a control program for displaying various display patterns of the light string 2, the microprocessor 14 enables programming by a programmer directly according to the address registers 12 without considering the address codes of the LED lights 21 in the light string 2. When in operation, according to a preset program in the program ROM 15, the microprocessor 14 controls the power output interface 11 to continuously output high electric level as LED power, or output high and low electric level signals according to the corresponding address code stored in the address registers 12 to control the corresponding LED light 21.

(9) As shown in FIG. 4, one embodiment of the above-mentioned point-controlled LED light string 2 is obtained by a manufacturing method comprising the following steps of:

(10) A. manufacturing a first control chip 211 of a first LED light 21 of LED lights 21 and writing a unique first address code into the first control chip 211, connecting the first control chip 211 with a first light-emitting diode 212 to form the first LED light 21 each with a unique address code, randomly selecting the LED lights 21 with an address code random method, and connecting the LED lights 21 in series or in parallel to form a light string 2;

(11) B. manufacturing a DC power supply controller 1 with a plurality of address registers 12 and the address registers 12 being arranged in an orderly manner, and connecting the light string 2 with a power output interface 11, the power output interface 11 being used to provide DC power and used to output a control signal, the control signal capable of controlling the LED lights 21 to illuminate; and

(12) C. using a conventional address code collection tool to sequentially collect address codes of the LED lights 21 according to a sequence in which the LED lights 21 being connected and arranged in the light string 2, collecting a first address code of a first LED light 21 of the light string 2 and then collecting remaining address codes of remaining LED lights 21 of the light string 2 into a storage device such as mobile phone or computer, and writing the address codes in the storage device into the address registers 12 of the DC power supply controller 1 in a stack mode, storing the address codes of the LED lights 21 in the address registers arranged in an orderly manner, and associating the address registers 12 one to one with the corresponding LED lights 21. To speed up collection speed, multiple collection heads can be used to collect at the same time, such as a group of 8 collection heads for collection.

Embodiment 2

(13) The content of the second embodiment is basically the same as that of the first embodiment. The difference lies in step A in the manufacturing method for the point-controlled LED light string 2. In this embodiment, connecting the first control chip 211 with the first light-emitting diode 212 to form the first LED light 21 of the LED lights 21, writing the unique first address code into the first control chip 211 of the first LED light 21, and then connecting the LED lights 21 in series or in parallel on the power bus 3 to form the light string 2.

(14) The specific embodiments described herein are merely illustrative of the spirit of the present invention. Technicians skilled in the art to which the present invention pertains can make various modifications or additions to the specific embodiments described or replace them in a similar manner, without departing from the spirit of the present invention or beyond the scope defined by the appended claims.

LIST OF REFERENCED PARTS

(15) 1 DC power supply controller 11 power output interface 12 address register 13 bus 14 microprocessor 15 program ROM 2 light string 21 LED light 211 control chip 212 light-emitting diode 3 power bus