CN219678788U - Flexible LED lamp strip circuit board - Google Patents

Abstract

The utility model discloses a flexible LED lamp strip circuit board which comprises a flexible circuit board, a lamp group and a flexible sleeve, wherein upper flexible conducting wires are connected to the upper parts of two sides of the flexible circuit board, lower flexible conducting wires are connected to the lower parts of two sides of the flexible circuit board, two groups of upper conducting blocks are arranged above the flexible circuit board, the top of each upper conducting block is connected with the lamp group, a plurality of hollowed-out holes are formed in the central position of the flexible circuit board, anti-collision chamfer angles are formed in the four corners of the flexible circuit board, two groups of lower conducting blocks are arranged at the bottom of the flexible circuit board, the flexible sleeve is wrapped on the outer side of the flexible circuit board, the outer layer of a flexible guide pipe is a waterproof layer, an insulating layer is further arranged in the flexible sleeve, and clamping grooves capable of embedding the upper flexible conducting wires and the lower flexible conducting wires are formed in the upper and lower parts of the insulating layer.

Description

Flexible LED lamp strip circuit board

Technical Field

The utility model relates to the technical field of flexible lamp strips, in particular to a flexible LED lamp strip circuit board.

Background

LED strip means that LEDs are assembled on a strip-shaped FPC (flexible circuit board) or PCB hard board, and the name is given to the shape of the product as a strip. Because the service life is long (the normal service life is generally 8-10 ten thousand hours), the novel decorative material is very energy-saving and environment-friendly, and the novel decorative material is gradually used in various decorative industries.

The flexible LED lamp strip is characterized in that an FPC is adopted as an assembly circuit board, a high-brightness LED packaged by a patch is used as a light source, every 3 lamps are used as a unit, every 50 cm is used as a large length unit, the thickness of the product is only the thickness of one coin, and the flexible LED lamp strip which does not occupy space can be cut off at will and can be prolonged at will to emit light without influence. Because the FPC is soft, the FPC can be bent, folded and coiled at will, and can be moved and stretched at will in a three-dimensional space to be broken; it is suitable for irregular places and places with small space, and is also suitable for combining various patterns in advertisement and other decorations due to the fact that the pattern can be bent and coiled arbitrarily.

The conventional flexible lamp strip mainly comprises a plurality of flexible circuit boards and a plurality of lamp bead groups, wherein the flexible circuit boards are sequentially connected, and the lamp bead groups are arranged on the flexible circuit boards in a one-to-one correspondence manner; in general, flexible circuit boards are sheet-like structures, and in order to achieve bending of a flexible light strip, manufacturers connect the flexible circuit boards end to end in sequence, so that, although the bending property of the finished flexible light strip is achieved, such flexible light strip can only be bent forward, and cannot achieve lateral bending, and the flexibility of lateral bending is low.

Therefore, in view of the above-mentioned problems, an improved structure and a drawback of the prior art are provided, and a flexible LED lamp belt circuit board is provided to achieve the purpose of having a more practical value.

Disclosure of Invention

The utility model aims to provide a flexible LED lamp strip circuit board, which solves the problems that the conventional flexible LED lamp strip with the background can only be bent forward, cannot realize lateral bending, has low lateral bending flexibility, and is low in forward bending flexibility, manufacturers can vertically place and sequentially connect the vertical flexible circuit boards, however, the flexible circuit boards manufactured by adopting the arrangement mode have large thickness and cannot be bent forward, and the overall compactness is low.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a flexible LED lamp area circuit board, includes flexible circuit board, banks and flexible sleeve, the both sides top of flexible circuit board all is connected with the flexible conducting wire of top, just the both sides below of flexible circuit board all is connected with the flexible conducting wire of below, the top of flexible circuit board is provided with two sets of top conductive pieces, just the top of top conductive piece is connected with the banks, the central point of flexible circuit board puts and sets up a plurality of fretwork holes, the position of four angles of flexible circuit board all is provided with anticollision chamfer, the bottom of flexible circuit board is provided with two sets of below conductive pieces, the outside parcel of flexible circuit board has flexible sleeve, just flexible sleeve's skin is the waterproof layer, flexible intraductal insulating layer that still is provided with of flexible conducting wire of top and the draw-in groove of flexible conducting wire embedding of below of insulating layer from top to bottom.

Preferably, the lamp sets are uniformly distributed, the lamp sets comprise at least one LED chip, the flexible circuit boards at least comprise one complete circuit element, and upper flexible conducting wires and lower flexible conducting wires are arranged between two adjacent flexible circuit boards in an up-and-down staggered mode.

Preferably, the flexible sleeve is made of silica gel, the flexible circuit board is made of FPC material, the lamp group is a patch LED, and the hollowed-out holes formed in the flexible circuit board are in a central symmetry or axisymmetry pattern.

Preferably, the upper Fang Rouxing conductive wire and the lower flexible conductive wire are connected with the inner surface of the clamping groove inside the insulating layer inside the flexible sleeve in an adhesive manner.

Preferably, the waterproof layer and the insulating layer in the flexible sleeve are both made of transparent silica gel materials.

Compared with the prior art, the utility model has the beneficial effects that: the circuit board structure is simple, easy shaping, makes whole lamp area turn over the modeling easily, and sets up the fretwork hole for the lamp area is easier in bending deformation, and the stress that produces when deformation can be better absorbed, and because the pattern is central symmetry or axisymmetry, each direction atress is more even when making the lamp area warp, promotes joint strength to a certain extent.

Drawings

FIG. 1 is a schematic view of a structure of a flexible LED strip circuit board of the present utility model above a main body;

FIG. 2 is a schematic view of the structure of the flexible LED strip circuit board under the main body of the utility model;

FIG. 3 is a schematic diagram of the structure of the side of the main body of the flexible LED strip circuit board of the present utility model;

FIG. 4 is a schematic top view of a flexible LED strip circuit board according to the present utility model;

fig. 5 is a schematic structural view of a flexible sleeve of a flexible LED strip circuit board according to the present utility model.

In the figure: 1. upper Fang Rouxing conductive lines; 2. a lower flexible conductive line; 3. a flexible circuit board; 4. a lamp set; 5. a hollowed hole; 6. an upper conductive block; 7. anti-collision corner cutting; 8. a flexible sleeve; 9. a lower conductive block; 10. a waterproof layer; 11. an insulating layer; 12. a clamping groove.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-5, the present utility model provides a technical solution: the utility model provides a flexible LED lamp area circuit board, including flexible circuit board 3, banks 4 and flexible sleeve 8, flexible circuit board 3's both sides top all is connected with flexible conducting wire in top 1, and flexible circuit board 3's both sides below all is connected with flexible conducting wire in below 2, flexible circuit board 3's top is provided with two sets of top conducting pieces 6, and top of top conducting piece 6 is connected with banks 4, flexible circuit board 3's central point puts and sets up a plurality of fretwork holes 5, flexible circuit board 3's four angle positions all are provided with anticollision chamfer 7, flexible circuit board 3's bottom is provided with two sets of below conducting pieces 9, flexible sleeve 8 is wrapped up in flexible circuit board 3's outside, and flexible sleeve 8's skin is waterproof layer 10, still be provided with insulating layer 11 in the flexible sleeve 8, and insulating layer 11's upper and lower is provided with the draw-in groove 12 that can embed flexible conducting wire in top 1 and flexible conducting wire in below 2.

The banks 4 are evenly arranged, and the banks 4 contain at least one LED chip, all contain a complete circuit element on the flexible circuit board 3 at least, and crisscross upper flexible conductor 1 and the flexible conductor 2 of below of being provided with about and between two adjacent flexible circuit boards 3, and waterproof layer 10 and insulating layer 11 in the flexible sleeve 8 all are transparent silica gel material, so can make the lamp area realize even light-emitting, and regular arranging, it is more convenient when making follow-up staff adjust, upper Fang Rouxing conductor 1 and the flexible conductor 2 of below and crisscross the setting up about and make the lamp area warp by a wide margin also can not influence the power supply on the flexible circuit board 3.

Go up Fang Rouxing conductor 1 and below flexible conductor 2 and flexible sleeve 8 inside insulating layer 11 inboard draw-in groove 12's internal surface adhesive connection, make flexible circuit board 3 better fix in flexible sleeve 8, flexible sleeve 8 is made by silica gel, flexible circuit board 3 is the FPC material, banks 4 are paster LED, and the fretwork hole 5 of seting up on flexible circuit board 3 is central symmetry or axisymmetric pattern, fretwork hole 5 can make the lamp area easier in bending deformation, the stress that produces when can be better absorption deformation, and because the pattern is central symmetry or axisymmetry, each direction atress is more even when making the lamp area deformation, promote joint strength to a certain extent.

Working principle: when the LED lamp is used, the LED lamp is connected with a power supply, current is transmitted to the upper conductive block 6 and the lower conductive block 9 through the upper flexible conductive wire 1 and the lower flexible conductive wire 2, and then the upper conductive block 6 and the lower conductive block 9 supply power to the lamp group 4, so that the lamp group 4 emits light, the light emitted by the lamp group 4 is transmitted to the outside through the flexible sleeve 8 of the transparent silica gel material wrapped by the outer layer, the lamp group 4 is uniformly distributed, the flexible circuit board 3 at least comprises one complete circuit element, the upper flexible conductive wire 1 and the lower flexible conductive wire 2 are arranged between the two adjacent flexible circuit boards 3 in an up-down staggered manner, uniform light emission of the lamp strip can be realized, the arrangement is regular, the subsequent staff can more conveniently adjust the lamp strip, the upper Fang Rouxing conductive wire 1 and the lower flexible conductive wire 2 are arranged in an up-down staggered manner, the power supply on the flexible circuit board 3 is not influenced, and the light emission of the lamp group 4 is not influenced no matter from which position is cut.

The hollowed-out holes 5 formed in the flexible circuit board 3 are in central symmetry or axisymmetric patterns, the hollowed-out holes 5 can enable the lamp strip to be easier in bending deformation, stress generated in deformation can be better absorbed, and due to the fact that the patterns are central symmetry or axisymmetric, stress in all directions is more uniform when the lamp strip is deformed, connection strength is improved to a certain extent, anti-collision chamfer 7 formed in four corners of the flexible circuit board 3 can be close to each other in the process of laterally bending the flexible lamp strip, corners between two adjacent flexible circuit boards 3 can collide with each other to be propped against each other along with continuous bending of the flexible lamp strip, the flexible lamp strip cannot continue to be laterally bent, and the anti-collision chamfer 7 is arranged, so that the two adjacent flexible circuit boards can be closer to each other, the flexible lamp strip can be further laterally bent, and lateral bending of the flexible lamp strip is further improved.

Claims (5)

1. The utility model provides a flexible LED lamp area circuit board, includes flexible circuit board (3), banks (4) and flexible sleeve pipe (8), its characterized in that: the utility model discloses a flexible circuit board, including flexible circuit board (3), insulating layer (11), upper and lower are provided with flexible conducting wire (1) and flexible conducting wire (2) below two groups of buffer layer (10), flexible circuit board (3), flexible conducting wire (1) are all connected with flexible conducting wire (1) in the top of both sides top, just flexible circuit board (3) both sides below of both sides, flexible circuit board (3) all are connected with flexible conducting wire (2) in the below, flexible circuit board (3) both sides below all are connected with flexible conducting wire (2) in the below, the top of flexible circuit board (3) is provided with two sets of top conducting pieces (6), just the top of top conducting piece (6) is connected with banks (4), the central point of flexible circuit board (3) puts and sets up a plurality of fretwork hole (5), the position at four angles of flexible circuit board (3) all is provided with anticollision chamfer (7), the outside parcel of flexible circuit board (3) is provided with flexible sleeve (8), just the skin of flexible sleeve (8) is waterproof layer (10).

2. The flexible LED strip circuit board of claim 1, wherein: the lamp sets (4) are uniformly distributed, the lamp sets (4) comprise at least one LED chip, the flexible circuit boards (3) at least comprise one complete circuit element, and upper flexible conducting wires (1) and lower flexible conducting wires (2) are arranged between every two adjacent flexible circuit boards (3) in an up-down staggered mode.

3. The flexible LED strip circuit board of claim 2, wherein: the upper Fang Rouxing conducting wire (1) and the lower flexible conducting wire (2) are connected with the inner surface of the clamping groove (12) on the inner side of the insulating layer (11) in the flexible sleeve (8) in an adhesive mode.

4. A flexible LED strip circuit board according to claim 3, wherein: the flexible sleeve (8) is made of silica gel, the flexible circuit board (3) is made of FPC (flexible printed circuit) materials, the lamp group (4) is a patch LED, and the hollowed-out holes (5) formed in the flexible circuit board (3) are in a central symmetry or axisymmetry pattern.

5. The flexible LED strip circuit board of claim 4, wherein: the waterproof layer (10) and the insulating layer (11) in the flexible sleeve (8) are made of transparent silica gel materials.