Any-shear constant-current low-voltage lens lamp strip without voltage drop within 20 meters

Abstract

The utility model discloses an arbitrary shear constant current low voltage lens lamp strip without voltage drop within 20m, which comprises a flexible lamp strip circuit board, the lamp strip circuit board comprises a plurality of circuit board units connected in parallel, each circuit board unit comprises a constant current IC group and an LED lamp bead group which are connected in series, each constant current IC group comprises a plurality of constant current ICs connected in parallel, and the LED lamp bead group comprises a plurality of LED lamp beads which are connected in parallel. The LED lamp bead group comprises a plurality of LED lamp beads which are connected in parallel, the lamp strip circuit board comprises a front surface insulating layer, a front surface circuit layer, a middle insulating layer, a back surface circuit layer and a back surface insulating layer which are sequentially arranged from top to bottom, and the front surface insulating layer is provided with a power supply positive electrode bonding pad hole, a power supply negative electrode bonding pad hole, a constant current IC bonding pad hole and an LED lamp bead bonding pad hole. The LED lamp strip is simple in structure, low in cost, short in lamp strip unit, convenient to cut off, capable of being cut off at any position of the circuit board unit with the constant-current IC, convenient to install and use, small in voltage drop, small in limitation on manufacturing length and good in consumer experience.

Description

Technical Field

[0001] The utility model relates to the technical field of light strips, in particular to a low-voltage lens light strip with a constant current and no voltage drop within 20 meters. Background Art

[0002] As people's living standards improve, LED light strips have gradually become a commonly used lamp. LED light strips can be cut at the connection of the light strip unit, which is convenient for people to install and use. LED light strips are generally divided into high-voltage LED light strips and low-voltage LED light strips. However, the structure of the existing low-voltage constant-current LED light strips is relatively complex, the cost is high, the light strip unit is relatively long, it is not convenient to cut, and it is inconvenient to install and use. At the same time, the existing low-voltage constant-current LED light strips have a large voltage drop, the production length is limited, and the consumer experience is poor. Therefore, in order to avoid the shortcomings of the existing technology, it is necessary to improve the existing technology. Utility Model Content

[0003] The utility model aims to overcome the shortcomings and deficiencies in the prior art and to provide a low-voltage lens light strip with a simple structure, easy installation and use, and no voltage drop within 20 meters and which can be cut arbitrarily to provide a constant current.

[0004] The utility model is realized by the following technical solutions:

[0005] A constant current low-voltage lens light strip that can be cut arbitrarily without voltage drop within 20 meters, comprising a flexible light strip circuit board, the light strip circuit board comprising a plurality of circuit board units connected in parallel, the circuit board unit comprising a constant current IC group and an LED lamp bead group connected in series, the constant current IC group comprising a plurality of constant current ICs connected in parallel, the LED lamp bead group comprising a plurality of LED lamp beads connected in parallel, the light strip circuit board comprising a front insulating layer, a front circuit layer, an intermediate insulating layer, a back circuit layer and a back insulating layer arranged in sequence from top to bottom, the front insulating layer being provided with a positive power supply pad hole, a negative power supply pad hole, a constant current IC pad hole and an LED lamp bead pad hole.

[0006] Furthermore, a lens is provided on the outer cover of the LED lamp bead.

[0007] Furthermore, the front insulating layer is provided with a lens positioning and mounting hole, and the bottom of the lens is provided with a convex point corresponding to the lens positioning and mounting hole.

[0008] Furthermore, the front circuit layer is provided with a positive electrode connecting copper foil, a negative electrode connecting copper foil, a first connecting copper foil for connecting the constant current IC, and a second connecting copper foil for connecting the LED lamp beads.

[0009] Furthermore, the back circuit layer is provided with a positive electrode conductive copper foil and a negative electrode conductive copper foil.

[0010] Furthermore, the intermediate insulating layer is respectively provided with a positive power line connection hole and a negative power line connection hole corresponding to the positive connecting copper foil and the negative connecting copper foil, the intermediate insulating layer is respectively provided with a first connection hole connecting the second connecting copper foil and the positive conductive copper foil, and the intermediate insulating layer is respectively provided with a second connection hole connecting the second connecting copper foil and the negative conductive copper foil.

[0011] Furthermore, the constant current IC is arranged between the LED lamp beads.

[0012] Furthermore, the constant current IC is arranged on the outside of the light strip circuit board.

[0013] Furthermore, the model of the constant current IC is FF2835-IC77.

[0014] Furthermore, the model of the LED lamp bead is 2835.

[0015] Compared with the prior art, the utility model comprises a plurality of circuit board units connected in parallel through a light strip circuit board, the circuit board unit comprises a constant current IC group and an LED lamp bead group connected in series, the constant current IC group comprises a plurality of constant current ICs connected in parallel, and the LED lamp bead group comprises a plurality of LED lamp beads connected in parallel, so that the structure of the low-voltage constant current LED light strip is simple, the cost is low, the light strip unit is short, and it is convenient to cut, and it can be cut at any place of the circuit board unit with the constant current IC, it is easy to install and use, the voltage drop is small, the production length is less restricted, and the consumer experience is good. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0017] Figure 1 This is a schematic diagram of the structure of the utility model, which can be cut arbitrarily within 20 meters without voltage drop and with constant current low-voltage lens light strip;

[0018] Figure 2 This is a schematic diagram of the structure of the front insulating layer of the utility model;

[0019] Figure 3 This is a schematic diagram of the structure of the front circuit layer of the utility model;

[0020] Figure 4 This is a schematic diagram of the structure of the intermediate insulating layer of the utility model;

[0021] Figure 5 It is a schematic structural diagram of the back circuit layer of the utility model.

[0022] In the figure: 1-circuit board unit; 2-constant current IC; 3-LED lamp bead; 4-positive power supply pad hole; 5-negative power supply pad hole; 6-constant current IC pad hole; 7-LED lamp bead pad hole; 8-lens; 9-lens positioning and mounting hole; 10-positive electrode connecting copper foil; 11-negative electrode connecting copper foil; 12-first connecting copper foil; 13-second connecting copper foil; 14-positive electrode conductive copper foil; 15-negative electrode conductive copper foil; 16-positive power line connecting hole; 17-negative power line connecting hole; 18-first connecting hole; 19-second connecting hole. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] like Figures 1 to 5 The utility model shown is a constant current low-voltage lens light strip that can be cut arbitrarily without voltage drop within 20 meters, including a flexible light strip circuit board, the light strip circuit board includes a plurality of circuit board units 1 connected in parallel, the circuit board unit 1 includes a constant current IC group and an LED lamp bead group connected in series, the constant current IC group includes a plurality of constant current ICs 2 connected in parallel, the LED lamp bead group includes a plurality of LED lamp beads 3 connected in parallel, the light strip circuit board includes a front insulating layer, a front circuit layer, an intermediate insulating layer, a back circuit layer and a back insulating layer arranged in sequence from top to bottom, the front insulating layer is provided with a positive power supply pad hole 4, a negative power supply pad hole 5, a constant current IC pad hole 6 and an LED lamp bead pad hole 7. The light strip circuit board includes several circuit board units connected in parallel, the circuit board unit includes a constant current IC group and an LED lamp bead group connected in series, the constant current IC group includes several constant current IC2s connected in parallel, and the LED lamp bead group includes several LED lamp beads 3 connected in parallel. This makes the low-voltage constant current LED light strip simple in structure and low in cost. The light strip unit is short and easy to cut. It can be cut at any place of the circuit board unit with the constant current IC. It is easy to install and use, has a small voltage drop, is less restricted in production length, and has a good consumer experience.

[0025] The outer cover of the LED lamp bead 3 is provided with a lens 8, so that the LED light strip has its own lens, has good anti-glare performance, and provides a good consumer experience.

[0026] The front insulating layer is provided with a lens positioning and mounting hole 9, and the bottom of the lens 8 is provided with a convex point corresponding to the lens positioning and mounting hole, so as to facilitate the positioning and mounting of the lens 8.

[0027] The front circuit layer is provided with a positive connection copper foil 10, a negative connection copper foil 11, a first connection copper foil 12 for connecting the constant current IC2, and a second connection copper foil 13 for connecting the LED lamp beads 3, which is beneficial to the conductive connection of the constant current IC2 and the LED lamp beads 3.

[0028] The back circuit layer is provided with a positive conductive copper foil 14 and a negative conductive copper foil 15 for connecting power to the LED light strip.

[0029] The middle insulating layer is respectively provided with a positive power line connection hole 16 and a negative power line connection hole 17 corresponding to the positive connection copper foil 10 and the negative connection copper foil 11, and the middle insulating layer is respectively provided with a first connection hole 18 connecting the second connection copper foil 13 and the positive conductive copper foil 10, and the middle insulating layer is respectively provided with a second connection hole 19 connecting the second connection copper foil 13 and the negative conductive copper foil 11, to facilitate power supply connection.

[0030] The constant current IC2 is arranged between the LED lamp beads 3, which facilitates the layout of the constant current IC2.

[0031] The constant current IC2 is arranged on the outside of the circuit board of the light strip, making the wiring of the LED light strip simpler and easier, and the light emission more stable.

[0032] As a specific implementation method, the model of the constant current IC2 is FF2835-IC77, and the voltage and current control is more stable.

[0033] As a specific implementation, the model of the LED lamp bead 3 is 2835.

[0034] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A constant current low-voltage lens light strip that can be cut arbitrarily without voltage drop within 20 meters, characterized by: A flexible light strip circuit board is included, the light strip circuit board includes a plurality of circuit board units connected in parallel, the circuit board unit includes a constant current IC group and an LED lamp bead group connected in series, the constant current IC group includes a plurality of constant current ICs connected in parallel, the LED lamp bead group includes a plurality of LED lamp beads connected in parallel, the light strip circuit board includes a front insulating layer, a front circuit layer, an intermediate insulating layer, a back circuit layer and a back insulating layer arranged in sequence from top to bottom, the front insulating layer is provided with a positive power supply pad hole, a negative power supply pad hole, a constant current IC pad hole and an LED lamp bead pad hole.

2. According to claim 1, the constant current low-voltage lens light strip with no voltage drop and arbitrary cutting within 20 meters is characterized by: The outer cover of the LED lamp bead is provided with a lens.

3. According to claim 2, the constant current low-voltage lens light strip with no voltage drop and arbitrary cutting within 20 meters is characterized by: The front insulating layer is provided with a lens positioning and mounting hole, and the bottom of the lens is provided with a convex point corresponding to the lens positioning and mounting hole.

4. According to claim 1, the low-voltage lens light strip with constant current and no voltage drop within 20 meters that can be cut arbitrarily is characterized by: The front circuit layer is provided with a positive electrode connecting copper foil, a negative electrode connecting copper foil, a first connecting copper foil for connecting the constant current IC, and a second connecting copper foil for connecting the LED lamp beads.

5. According to claim 4, the constant current low-voltage lens light strip with no voltage drop and arbitrary cutting within 20 meters is characterized in that: The back circuit layer is provided with a positive electrode conductive copper foil and a negative electrode conductive copper foil.

6. According to claim 5, the constant current low-voltage lens light strip with no voltage drop and arbitrary cutting within 20 meters is characterized in that: The intermediate insulating layer is respectively provided with a positive power line connection hole and a negative power line connection hole corresponding to the positive connection copper foil and the negative connection copper foil, the intermediate insulating layer is respectively provided with a first connection hole connecting the second connection copper foil and the positive conductive copper foil, and the intermediate insulating layer is respectively provided with a second connection hole connecting the second connection copper foil and the negative conductive copper foil.

7. The low-voltage lens light strip with constant current and no voltage drop within 20 meters according to claim 1 is characterized in that: The constant current IC is arranged between the LED lamp beads.

8. According to claim 1, the constant current low-voltage lens light strip with no voltage drop and arbitrary cutting within 20 meters is characterized by: The constant current IC is arranged on the outside of the light strip circuit board.

9. The low-voltage lens light strip with constant current and no voltage drop within 20 meters according to claim 1 is characterized in that: The model of the constant current IC is FF2835-IC77.

10. The low-voltage lens light strip with constant current and no voltage drop within 20 meters according to claim 1 is characterized in that: The model of the LED lamp bead is 2835.

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