WO2023220964A1

WO2023220964A1 - Intelligent led light string

Info

Publication number: WO2023220964A1
Application number: PCT/CN2022/093537
Authority: WO
Inventors: 何季岭
Original assignee: 何季岭
Priority date: 2022-05-16
Filing date: 2022-05-18
Publication date: 2023-11-23

Abstract

An intelligent LED light string, relating to the technical field of decorative light strings. The intelligent LED light string comprises a light string main body (1); the light string main body (1) comprises a plurality of LED light sets (2); each LED light set (2) comprises one or more LED lights (3), a signal wire (4), a positive electrode wire (5), and a negative electrode wire (6); each LED light (3) is provided with a negative electrode welding region (7), a positive electrode welding region (8), and a signal welding region (9); the plurality of LED light sets (2) are sequentially connected; and the positive electrode wire (5) of the previous LED light set (2) is connected to the negative electrode wire (6) of the next LED light set (2). The negative electrode welding regions (7), the positive electrode welding regions (8), and the signal welding regions (9) of the LED lights (3) in each LED light set (2) are respectively connected to the negative electrode wire (6), the positive electrode wire (5), and the signal wire (4) in a one-to-one correspondence mode, and then the positive electrode wire (5) of the previous LED light set (2) is connected to the negative electrode wire (6) of the next LED light set (2), so that the LED light sets (2) are connected in series. Therefore, the voltage drop influence of the LED lights (3) is greatly reduced, the brightness of the previous LED light (3) and the brightness of the next LED light (3) are consistent, and machining is convenient.

Description

A smart LED light string

Technical field

The invention belongs to the technical field of light strings, and specifically relates to an intelligent LED light string.

Background technique

With the advancement of light-emitting semiconductor technology, LED lamps are increasingly used in the field of lighting decoration. Compared with traditional incandescent lamps, LED lamps have the advantages of low energy consumption and long life, and smart LEDs use multiple colors to Luminous chips can combine to create colorful lights, so smart LED lights are favored by consumers in the field of lighting decoration.

At present, low-voltage 3-wire fully parallel cables are used on the market, and the wires are stripped in the middle. SMD LED lamp beads are used in parallel and welded on the wires. The voltage is limited by the LED's own voltage resistance. The power supply can only reach 5V. However, with the parallel connection As the length of the light string increases, the problem of voltage drop will become more obvious. For example, in a 5m-long light string, the brightness and color of the front and rear LED lights are uneven and the voltage of the first LED light is significantly higher than the voltage of the last LED light. value.

technical problem

In view of the problems of the prior art, the present invention provides an intelligent LED light string that can solve the problem of voltage drop. The brightness of the front and rear LED lights is consistent, the cross-sectional area of the copper wire is reduced, the cost is saved, and the processing is easy.

Technical solutions

In order to solve the above technical problems, the present invention adopts the following technical solution: an intelligent LED light string includes a light string main body, the light string main body includes several LED light groups, each of the LED light groups includes one or more LED lights, Signal wires, positive wires and negative wires. The LED lamps are all provided with negative welding areas, positive welding areas and signal welding areas. The negative welding areas, positive welding areas and signal welding areas in each LED lamp group are respectively connected with The negative wire, positive wire and signal wire are connected one by one; several LED lamp groups are connected in sequence, the positive wire of the previous LED lamp group is connected to the negative wire of the next LED lamp group, and the signal wire of the previous LED lamp group is connected to the following one. The signal wire connection of an LED light group.

Wherein, a bridge conductor is provided between each two adjacent LED lamp groups, and the positive conductor of the previous LED lamp group and the negative conductor of the subsequent LED lamp group are connected through the bridge conductor.

Wherein, the signal welding area includes a signal input welding area and a signal output welding area, and a cut-off point is provided between the signal input welding area and the signal output welding area of each LED lamp.

Wherein, the main body of the light string includes a light string connector, the signal wires of the LED light groups at both ends are connected to the light string connector, and the positive wire of the LED light group at one end is connected to the light string connector. The negative wire of the LED light group at the other end is connected to the light string connector.

Wherein, the smart LED light string includes a main connection circuit and a plurality of main line connectors. There are multiple main lines of the light string. The LED light groups are distributed in an annular shape. The main line connector is connected to the main line of the light string. One connection, the main connection line is provided with a main line positive line, a main line negative line and a main line signal line, the main line positive line, the main line negative line and the main line signal line are all connected to the main line The main line connector is connected to the light string connector one by one.

Wherein, the light string connectors are each provided with a first signal output terminal and a first signal input terminal, the first signal output terminal is connected to the signal wire of the LED light group at one end, and the first signal input terminal is connected to the signal wire of the LED lamp group at one end. The signal wire of the LED lamp group at the other end is connected. A plurality of second signal output terminals and a plurality of second signal input terminals are provided on the main signal line. The second signal output terminal is connected to the first signal output terminal. The first signal input terminal is connected to the second signal input terminal.

Wherein, the LED lamp group includes a first LED lamp group and a second LED lamp group, the LED lamp includes a first LED lamp and a second LED lamp, the first LED lamp group includes a first LED lamp, and the The second LED lamp group includes a second LED lamp. The positive electrode welding area and the negative electrode welding area of the first LED lamp are arranged in opposite positions to the positive electrode welding area and the negative electrode welding area of the second LED lamp. The first LED lamp The groups and the second LED lamp group are alternately connected in series.

Wherein, the light string main body includes a light string connector, a positive lead located at one end of the light string body is connected to the light string connector, and a negative lead located at the other end of the light string main body is connected to the light string connector.

Among them, the negative wire of the previous LED lamp group is disconnected from the positive wire of the subsequent LED lamp group.

beneficial effects

Beneficial effects of the present invention: The present invention has a novel structure and an ingenious design. First, the negative electrode welding area, the positive electrode welding area and the signal welding area of each LED lamp in each LED lamp group are connected to the negative electrode wire, the positive electrode wire and the signal wire respectively. Correspondingly connected, the positive wire of the previous LED lamp group is connected to the negative wire of the next LED lamp group, so that the LED lamp groups are connected in series. The intelligent LED lamp string of the present invention greatly reduces the impact of voltage drop, and the front and rear LED lamps The brightness is consistent and easy to process.

Under the same power, the cross-sectional area of the copper wire required by the smart LED light string of the present invention is only a fraction of that of full parallel connection, saving a lot of costs. For example: the rated power is 5W, the full parallel voltage is 5V, the current is 1A, and the cross-sectional area of the copper wire needs to be 1 square millimeter; using the series-parallel structure of the present invention, the rated power is 5W, the voltage reaches 25V, the current is 0.2A, and the cross-sectional area of the copper wire only needs 0.2 square millimeters, greatly saving costs.

Description of the drawings

Figure 1 is a schematic structural diagram of a first example of the present invention.

FIG. 2 is a schematic structural diagram of the first example of the present invention with the light string connector hidden.

Figure 3 is a schematic structural diagram of a second example of the present invention.

Figure 4 is a schematic structural diagram of a third example of the present invention.

Figure 5 is a front view of the first LED lamp of the present invention.

Figure 6 is a rear view of the first LED lamp of the present invention.

Figure 7 is a front view of the second LED lamp of the present invention.

Figure 8 is a rear view of the second LED lamp of the present invention.

Figure 9 is a schematic structural diagram of the fourth example of the present invention.

Figure 10 is a schematic structural diagram of the fifth example of the present invention.

The reference symbols are: 1. Light string main body, 2. LED light group, 3. LED lamp, 4. Signal wire, 5. Positive wire, 6. Negative wire, 7. Negative welding area, 8. Positive welding area, 9. Signal welding area, 10. Connect to the main road; 21. First LED light group, 22. Second LED light group; 31. First LED light, 32. Second LED light; 201. Bridge conductor, 202. Lamp Series connector, 203, first signal output terminal, 204, first signal input terminal; 901, signal input welding area, 902, signal output welding area, 903, cut-off point; 1001, main line connector, 1002, main circuit positive electrode Line, 1003, main circuit negative line, 1004, main circuit signal line, 1005, second signal output terminal, 1006, second signal input terminal.

Embodiments of the invention

In order to facilitate the understanding of those skilled in the art, the present invention will be further described below in conjunction with the embodiments and drawings. The contents mentioned in the embodiments do not limit the present invention. The present invention will be described in detail below with reference to the accompanying drawings.

The first example of the present invention: an intelligent LED light string, as shown in Figures 1 and 2, includes a light string main body 1, and the light string main body 1 includes several LED light groups 2, and the LED light groups 2 are It includes one or more LED lamps 3, signal wires 4, positive wires 5 and negative wires 6. The LED lamps 3 are provided with negative welding areas 7, positive welding areas 8 and signal welding areas 9. Each LED lamp group 2 The negative electrode welding area 7, the positive electrode welding area 8 and the signal welding area 9 are connected to the negative electrode wire 6, the positive electrode wire 5 and the signal wire 4 respectively. The signal welding area 9 includes a signal input welding area 901 and a signal output Welding area 902; several LED lamp groups 2 are connected in sequence, the positive wire 5 of the previous LED lamp group 2 is connected to the negative wire 6 of the next LED lamp group 2, and the signal wire 4 of the previous LED lamp group 2 is connected to the next LED. The signal wire 4 of the lamp group 2 is connected.

The way in which several LED lamp groups 2 are connected is as follows: the positive wire of the first LED lamp group 2 is connected to the negative wire of the second LED lamp group 2, and the positive wire of the second LED lamp group 2 is connected to the third one. The negative wires of the LED lamp group 2 are connected to form a power supply series structure.

Specifically, first connect the negative electrode welding area 7, the positive electrode welding area 8 and the signal welding area 9 of each LED lamp 3 in each LED lamp group 2 to the negative electrode wire 6, the positive electrode wire 5 and the signal wire 4 respectively in a one-to-one correspondence. The positive wire 5 of the previous LED lamp group 2 is connected to the negative wire 6 of the next LED lamp group 2, so that the LED lamp groups 2 are connected in series. The intelligent LED lamp string of the present invention greatly reduces the impact of voltage drop. The LED lamp 3 has consistent brightness and is easy to process.

Furthermore, the light string main body 1 contains one or more LED light groups 2 and several LED lights 3 .

In the smart LED light string described in this example, a cut-off point 903 is provided between the signal input welding area 901 and the signal output welding area 902 of each LED lamp 3 . Specifically, by setting cutoff points 903 between the signal input welding area 901 and the signal output welding area 902 of each LED lamp 3, the signal transmission of each LED lamp 3 is connected in series.

In the smart LED light string described in this example, the negative wire 6 of the previous LED lamp group is disconnected from the positive wire 9 of the subsequent LED lamp group.

In the smart LED light string described in this example, a bridge conductor 201 is provided between each two adjacent LED light groups 2. The positive wire 5 of the previous LED light group 2 is connected to the negative electrode of the next LED light group 2. The conductors 6 are all connected through the bridge conductor 201 . Specifically, during processing, the negative electrode welding area 7, the positive electrode welding area 8 and the signal welding area 9 of all LED lamps 3 are each connected through a wire, and the positive electrode wire 5 and the negative electrode wire 6 are cut between the two LED lamp groups 2, and then Through the bridge conductor 201, the positive wire 5 of the previous LED lamp group 2 is connected to the negative wire 6 of the next LED lamp group 2.

This example describes a smart LED light string. The main body of the light string includes a light string connector 202. The signal wires 4 of the LED light groups 2 located at both ends are connected to the light string connector 202. The LED light located at one end The positive wire 5 of group 2 is connected to the light string connector 202 , and the negative wire 6 of the LED lamp group 2 at the other end is connected to the light string connector 202 . Specifically, the above arrangement facilitates the connection of the light string with the outside.

The second example of the present invention: As shown in Figure 3, the difference between this example and the first example is that: the smart LED light string includes a main connection circuit 10 and a plurality of main line connectors 1001, and the light string main body 1 is provided with There are multiple LED lamp groups 2 distributed in an annular shape. The main line connector 1001 is connected to the light string body 1 one by one. The main connection path 10 is provided with a main path positive line 1002 and a main path negative line. 1003 and the main signal line 1004, the main positive line 1002, the main negative line 1003 and the main signal line 1004 are all connected to the main connector 1001, the main connector 1001 is connected to the The light string connectors 202 are connected one by one. Specifically, in order to reduce the voltage drop problem on the main connection circuit 10 during use, the distance between the main line connectors 1001 on the main connection circuit 10 should not be too large. The above setting allows multiple light string bodies 1 to work at the same time, and the LED lights 3 The light string connector 202 can also be pulled out from the main line connector 1001 when the brightness can be kept consistent and too much light string operation is not required.

This example describes a smart LED light string. The light string connector 202 is provided with a first signal output terminal 203 and a first signal input terminal 204. The first signal output terminal 203 is connected to the LED light at one end. The signal wire 4 of group 2 is connected, and the first signal input terminal 204 is connected to the signal wire 4 of the LED lamp group 2 at the other end. The main signal wire 1004 is provided with a plurality of second signal output terminals 1005 and multiple a second signal input terminal 1006, the second signal output terminal 1005 is connected to the first signal output terminal 203, and the first signal input terminal 204 is connected to the second signal input terminal 1006. Specifically, the above arrangement enables the signal transmission of the LED lights 3 of each light string to be realized through series connection. Since the signal transmission distance between LED lights 3 cannot be too long, the LED light groups 2 are distributed in an annular shape, so that the signal transmission of the LED lights 3 in each light string can be returned to the main line connector 1001 after completion. In order to reduce the number of connections during use, For signal transmission problems on the main circuit 10, the spacing between the main line connectors 1001 connecting to the main circuit 10 should not be too large.

The third example of the present invention: As shown in Figures 4-8, this example is different from the first example in that: this example is an intelligent LED light string, and the LED light group 2 includes a first LED light Group 21 and a second LED lamp group 22. The LED lamp 3 includes a first LED lamp 31 and a second LED lamp 32. The first LED lamp group 21 includes a first LED lamp 31. The second LED lamp group 22 includes a second LED lamp 32. The positive electrode welding area 8 and the negative electrode welding area 7 of the first LED lamp 31 are opposite to the positive electrode welding area 8 and the negative electrode welding area 7 of the second LED lamp 32. An LED lamp group 21 and the second LED lamp group 22 are alternately connected in series. Specifically, the above arrangement allows the negative electrode welding area 7, the positive electrode welding area 8 and the signal welding area 9 of the first LED lamp 31 and the second LED lamp 32 to be connected through a wire, and only needs to be connected between the first LED lamp group 21 and the first LED lamp group 21. When connecting two LED lamp groups 22, just cut the wires from the negative electrode welding area 7 of the first LED lamp group 21 to the positive electrode welding area 8 of the second LED lamp group 22.

Specifically, alternating series connection means that when the first LED lamp group 2 is the first LED lamp group 21, the second LED lamp group 2 is the second LED lamp group 22, and the third LED lamp group 2 is the first LED lamp group 2. The LED lamp group 21, the first LED lamp group 21 and the second LED lamp group 22 are alternately connected in series.

The fourth example of the present invention: As shown in Figure 9, the difference between this example and the second example lies in: an intelligent LED light string described in this example. The LED light group 2 includes a first LED light group 21 and The second LED lamp group 22. The LED lamp 3 includes a first LED lamp 31 and a second LED lamp 32. The first LED lamp group 21 includes a first LED lamp 31. The second LED lamp group 22 includes a first LED lamp 31 and a second LED lamp 32. Two LED lamps 32. The positive electrode welding area 8 and the negative electrode welding area 7 of the first LED lamp 31 are arranged in opposite positions to the anode welding area 8 and negative electrode welding area 7 of the second LED lamp 32. The first LED lamp The group 21 and the second LED lamp group 22 are alternately connected in series. Specifically, alternating series connection means that when the first LED lamp group 2 is the first LED lamp group 21, the second LED lamp group 2 is the second LED lamp group 22, and the third LED lamp group 2 is the first LED lamp group 2. The LED lamp group 21, the first LED lamp group 21 and the second LED lamp group 22 are alternately connected in series.

The fifth example of the present invention: As shown in Figure 10, the difference between this example and the third example is that: the light string main body includes a light string connector 202, and the positive wire 5 located at one end of the light string main body 1 is connected to the light string connector 202. The string connector 202 is connected, and the negative wire 6 located at the other end of the light string body is connected to the light string connector 202 . Specifically, the main body 1 of the light string has a linear structure.

The above are only preferred embodiments of the present invention and are not intended to limit the present invention in any form. Although the present invention is disclosed above in terms of preferred embodiments, they are not intended to limit the present invention. Any person familiar with the art will , without departing from the scope of the technical solution of the present invention, when the technical content disclosed above is used to make some changes or modifications into equivalent embodiments with equivalent changes, but without departing from the content of the technical solution of the present invention, the technology according to the present invention refers to the above Any simple modifications, equivalent changes and modifications made to the embodiments fall within the scope of the technical solution of the present invention.

Claims

An intelligent LED light string, characterized by: including a light string main body, the light string main body includes several LED light groups, each of the LED light groups includes one or more LED lights, signal wires, positive wires and negative wires, so The above-mentioned LED lamps are all provided with a negative electrode welding area, a positive electrode welding area and a signal welding area. The negative electrode welding area, positive electrode welding area and signal welding area in each LED lamp group are connected to the negative electrode wire, the positive electrode wire and the signal wire respectively. Corresponding connection;

Several LED lamp groups are connected in sequence, the positive wire of the previous LED lamp group is connected to the negative wire of the subsequent LED lamp group, and the signal wire of the previous LED lamp group is connected to the signal wire of the subsequent LED lamp group.
An intelligent LED light string according to claim 1, characterized in that: a bridge conductor is provided between each two adjacent LED light groups, and the positive conductor of the previous LED light group is connected to the positive electrode of the subsequent LED light group. The negative conductors are all connected through the bridge conductor.
An intelligent LED light string according to claim 1, characterized in that: the signal welding area includes a signal input welding area and a signal output welding area, between the signal input welding area and the signal output welding area of each LED lamp All are equipped with cut-off points.
An intelligent LED light string according to claim 1, characterized in that: the light string main body includes a light string connector, the signal wires of the LED light groups located at both ends are connected to the light string connector, and the signal wires located at one end are connected to the light string connector. The positive wire of the LED lamp group is connected to the light string connector, and the negative wire of the LED lamp group at the other end is connected to the light string connector.
An intelligent LED light string according to claim 4, characterized in that: the intelligent LED light string includes a main connection circuit and a plurality of main line connectors, the main body of the light string is provided with multiple, and the LED light group Distributed in an annular shape, the main line connector is connected to the main body of the light string one by one. The main connecting line is provided with a main positive line, a main negative line and a main signal line. The main positive line, the main The main circuit negative line and the main circuit signal line are both connected to the main line connector, and the main line connector is connected to the light string connector one by one.
An intelligent LED light string according to claim 5, characterized in that: the light string connectors are each provided with a first signal output terminal and a first signal input terminal, and the first signal output terminal and one end of the The signal wires of the LED lamp group are connected, the first signal input terminal is connected to the signal wire of the LED lamp group at the other end, and a plurality of second signal output terminals and a plurality of second signal inputs are provided on the main signal line. terminal, the second signal output terminal is connected to the first signal output terminal, and the first signal input terminal is connected to the second signal input terminal.
An intelligent LED light string according to claim 1, characterized in that: the LED light group includes a first LED light group and a second LED light group, and the LED light includes a first LED light and a second LED light. , the first LED lamp group includes a first LED lamp, the second LED lamp group includes a second LED lamp, the positive electrode welding area and the negative electrode welding area of the first LED lamp are connected with the anode electrode of the second LED lamp. The welding area and the negative electrode welding area are arranged in opposite positions, and the first LED lamp group and the second LED lamp group are alternately connected in series.
An intelligent LED light string according to claim 7, characterized in that: the light string main body includes a light string connector, and a positive wire located at one end of the light string main body is connected to the light string connector, and is located at the light string main body. The negative wire at the other end is connected to the light string connector.
An intelligent LED light string according to claim 1, characterized in that the negative conductor of the previous LED light group is disconnected from the positive conductor of the subsequent LED light group.