A two-end voltage-drop-free LED lamp strip

Abstract

The utility model discloses a kind of both ends of LED lamp strip without voltage drop, including PCB board, the lamp bead of several being set on PCB board, the both ends of PCB board are provided with power supply welding disc;The middle part of PCB board is provided with the spare power supply pad of several equal intervals;Voltage stabilizing chip is connected at the power supply welding disc and the spare power supply pad place;Power supply welding disc and spare power supply pad are connected in series on PCB board.The utility model is reasonably structured, it is provided with voltage stabilizing chip, so that the both ends of lamp strip can be without voltage difference, it is favorable to promote use stability, so that all lamp beads on lamp strip will not have brightness difference, promote lighting effectiveness, simultaneously, it is provided with spare power supply pad, can be cut according to need to any length of cutting requirement, will not affect overall appearance, simultaneously, also will not affect its use function, promote use stability and reliability.

Description

Technical Field

[0001] This utility model belongs to the field of LED strip technology, specifically relating to an LED strip with no voltage drop at both ends. Background Technology

[0002] LED light strips are a common strip-shaped light source structure, generally consisting of a PCB board and LED chips mounted on the PCB board. A solder pad is located at the end of the PCB board for connecting to the power supply, as shown in CN202123299723.0. While this structure can meet general usage requirements, significant voltage drops occur at both ends during long-distance use, resulting in reduced brightness of LED chips further away from the power supply connection, thus affecting the lighting effect. Furthermore, they cannot be cut to size as needed, thus limiting their applicability. Utility Model Content

[0003] The purpose of this invention is to provide an LED light strip with no voltage drop at both ends that has a reasonable structure and is easy to cut and use.

[0004] The technical solution to achieve the purpose of this utility model is an LED light strip with no voltage drop at both ends, including a PCB board and a number of LED beads disposed on the PCB board, wherein power soldering pads are provided at both ends of the PCB board.

[0005] The PCB board has several spare power pads spaced at equal intervals in the middle.

[0006] Both the power supply soldering pad and the backup power supply soldering pad are connected to voltage regulator chips.

[0007] The power supply pad and the backup power supply pad are connected in series on the PCB board.

[0008] A further preferred embodiment is that the PCB board comprises a conductive layer, a shape layer, a bottom copper layer, a circuit layer, a surface film layer, and a character layer stacked sequentially.

[0009] A clearance groove is provided at the center of the bottom copper layer, and parallel positive and negative lines are provided on the circuit layer.

[0010] The power soldering pad and the backup power soldering pad both include a positive solder joint and a negative solder joint. The positive solder joint is connected to the positive line, and the negative solder joint is connected to the negative line.

[0011] The mask layer has several connection points;

[0012] The positions of the power soldering pad, the backup power soldering pad, and the LED beads are all matched with the positions of the corresponding connection points.

[0013] A further preferred embodiment is that the character layer is provided with cutting point guide lines;

[0014] The cutting point guide line coincides with the center line of the backup power pad.

[0015] A further preferred embodiment is that the input power supply of the PCB board is DC24V or DC36V.

[0016] A further preferred embodiment is that the number of LED beads is 168.

[0017] This utility model has the following positive effects: The structure of this utility model is reasonable. It is equipped with a voltage regulator chip, which can make there no voltage difference between the two ends of the light strip, which is conducive to improving the stability of use. It also ensures that there is no brightness difference among all the LED beads on the light strip, thus improving the lighting effectiveness. At the same time, it is equipped with a backup power pad, which can be cut to any length as needed without affecting the overall appearance or its function, thereby improving the stability and reliability of use. Attached Figure Description

[0018] To make the content of this utility model easier to understand, the present utility model will be further described in detail below with reference to specific embodiments and accompanying drawings, wherein:

[0019] Figure 1 This is a schematic diagram of the structure of this utility model.

[0020] Figure reference numerals: PCB board 1, conductive layer 11, outline layer 12, bottom copper layer 13, circuit layer 14, face film layer 15, character layer 16, LED bead 2, power supply pad 3, backup power supply pad 4, voltage regulator chip 5. Detailed Implementation

[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0022] Example

[0023] See Figure 1An LED light strip with no voltage drop at both ends includes a PCB board 1 and a plurality of LED beads 2 disposed on the PCB board. Power soldering pads 3 are provided at both ends of the PCB board; a plurality of spare power soldering pads 4 are equally spaced in the middle of the PCB board. In this embodiment, the power soldering pads are mainly used to connect the power input terminals, while the spare power soldering pads are used to connect the power input terminals when the light strip is cut. The LED beads have a conventional structure in the prior art and are therefore not described in detail. In actual applications, the LED beads are arranged in parallel. The number of LED beads is 168. With no voltage drop, the number of LED beads is far greater than that of light strips on the market that can only connect 138 LED beads in parallel, thus expanding the applicability.

[0024] In this embodiment, a voltage regulator chip 5 is connected to both the power supply pad and the backup power supply pad; the power supply pad and the backup power supply pad are connected in series on the PCB board. The voltage regulator chip ensures no power difference between the two ends of the LED strip, guaranteeing consistent brightness across the entire LED and improving the lighting effect.

[0025] Furthermore, in this embodiment, the PCB board includes a conductive layer 11, a shape layer 12, a bottom copper layer 13, a circuit layer 14, a faceplate layer 15, and a character layer 16 stacked sequentially. A clearance groove is provided at the center of the bottom copper layer, and parallel positive and negative lines are provided on the circuit layer. The power soldering pad and the backup power soldering pad each include a positive solder joint and a negative solder joint, with the positive solder joint connected to the positive line and the negative solder joint connected to the negative line. Several connection points are provided on the faceplate layer. The positions of the power soldering pad, the backup power soldering pad, and the LED chips correspond to the positions of the corresponding connection points. A cutting point guide line is provided on the character layer; the cutting point guide line coincides with the centerline of the backup power soldering pad. Through the above structure, the wiring and LED chip / voltage regulator chip setup requirements can be effectively met, and the cutting points can also be guided, improving the effectiveness and reliability of the cutting process.

[0026] In this embodiment, the input power supply of the PCB board is DC24V or DC36V.

[0027] This utility model has the following positive effects: The structure of this utility model is reasonably designed. It has voltage regulator chips at both ends of the PCB board, which can make the two ends of the light strip have no voltage difference, which is conducive to improving the stability of use. It also ensures that all the lamps on the light strip have the same brightness, thus improving the lighting effectiveness. At the same time, it is equipped with a spare power pad, which can be cut to any length as needed without affecting the overall appearance or its function, thus improving the stability and reliability of use.

[0028] The standard parts used in this embodiment can be purchased directly from the market, and the non-standard structural parts described in the instruction manual can also be processed without any doubt based on existing technical common sense. At the same time, the connection methods of each component adopt mature conventional methods in the existing technology, and the machinery, parts and equipment all adopt conventional models in the existing technology, so they will not be described in detail here.

[0029] Obviously, the above embodiments of this utility model are merely examples for clearly illustrating this utility model, and are not intended to limit the implementation of this utility model. Those skilled in the art can make other variations or modifications based on the above description. It is neither necessary nor possible to exhaustively list all possible implementations here. However, these obvious variations or modifications derived from the essential spirit of this utility model still fall within the protection scope of this utility model.

Claims

1. An LED light strip with no voltage drop at both ends, comprising a PCB board and a plurality of LED beads disposed on the PCB board, characterized in that: Both ends of the PCB board are provided with power soldering pads; The PCB board has several spare power pads spaced at equal intervals in the middle. Both the power supply soldering pad and the backup power supply soldering pad are connected to voltage regulator chips. The power supply pad and the backup power supply pad are connected in series on the PCB board.

2. The LED light strip with no voltage drop at both ends according to claim 1, characterized in that: The PCB board includes a conductive layer, a outline layer, a bottom copper layer, a circuit layer, a surface layer, and a character layer stacked in sequence. A clearance groove is provided at the center of the bottom copper layer, and parallel positive and negative lines are provided on the circuit layer. The power soldering pad and the backup power soldering pad both include a positive solder joint and a negative solder joint. The positive solder joint is connected to the positive line, and the negative solder joint is connected to the negative line. The mask layer has several connection points; The positions of the power soldering pad, the backup power soldering pad, and the LED beads are all matched with the positions of the corresponding connection points.

3. The LED light strip with no voltage drop at both ends according to claim 2, characterized in that: The character layer is provided with cut-point guide lines; The cutting point guide line coincides with the center line of the backup power pad.

4. The LED light strip with no voltage drop at both ends according to claim 1, characterized in that: The PCB board has a DC24V or DC36V input power supply.

5. The LED light strip with no voltage drop at both ends according to claim 1, characterized in that: The number of LED beads is 168.

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