CN214275423U

CN214275423U - Flexible LED lamp area

Info

Publication number: CN214275423U
Application number: CN202120392012.9U
Authority: CN
Inventors: 刘昌贵; 商成火
Original assignee: Shenzhen Clear Lighting Co ltd; Huizhou Collier Lighting Co ltd
Current assignee: Shenzhen Clear Lighting Co ltd; Huizhou Collier Lighting Co ltd
Priority date: 2021-02-22
Filing date: 2021-02-22
Publication date: 2021-09-24
Anticipated expiration: 2031-02-22

Abstract

The utility model discloses a flexible LED lamp area, it includes: the LED lamp string comprises a core wire, a plurality of LED lamp strings are arranged in a strip-shaped body of the core wire at intervals, each LED lamp string comprises at least one PCB hard board, at least one surface-mounted LED light source is welded on the PCB hard board, and a lens is arranged on the surface-mounted LED light source and covers the surface-mounted LED light source; the two main guide lines are respectively arranged at the two side parts of the core line, each LED lamp string of the core line is connected between the two main guide lines through a connecting lead, and at least part of each main guide line is bent; and the insulating coating layer is coated outside the core wire and the two main guide wires. Implement the embodiment of the utility model provides a, can realize the multi-angle and the multi-direction bending in lamp area, and light gathering nature is good, and the range of application is extensive.

Description

Flexible LED lamp area

Technical Field

The utility model relates to a show the field, in particular to flexible LED lamp area.

Background

Fig. 1 to 4 show a flexible light strip of the prior art. The figure shows a core wire 1 'made of soft elastic plastic or silica gel, at least two main guide lines 20' and 21 'with the same length as the lamp strip are preset in the core wire 1', and the two main guide lines are positioned on the same horizontal line and are parallel to the surface of the lamp strip; and a core wire groove 8' with the same length as the core wire is reserved in the middle; fig. 2 shows a string of lights 3 ' comprising a light source 5 ', electronic components 6 ' and connecting wires 7 ', said string of lights 3 ' being inserted into the wire slot 8 ' of fig. 1, and then the head and tail of the string of lights being connected in parallel with the main wires 20 ', 21 ' of the core wire 1 '. As shown in fig. 3, a light strip is generally composed of several light string units. On the basis of fig. 3, a layer of soft elastic plastic or silica gel is further coated to form a complete lamp strip 4', as shown in fig. 4.

However, such existing light strips are only bendable in one direction (see fig. 5). If the lamp strip is bent in the other direction, one main conductor 20 'is compressed, the other conductor 21' is elongated, and although the elastic plastic or the silicon rubber can be stretched or compressed, the lamp strip cannot generate enough force to shorten and elongate the metal conductor; therefore, this arrangement of metal wires prevents bending of the light strip in this direction.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that a flexible LED lamp area is provided, realize the multi-angle and the multi-direction bending in lamp area, its bending performance is good, can not damage the electronic components of the inside when buckling, and can improve the concentration of light, and its range of application is extensive.

In order to solve the technical problem, the utility model provides a flexible LED lamp area, it includes:

the LED lamp string comprises a core wire, a plurality of LED lamp strings are arranged in a strip-shaped body of the core wire at intervals, each LED lamp string comprises at least one PCB hard board, at least one surface-mounted LED light source is welded on the PCB hard board, and a lens is arranged on the surface-mounted LED light source and covers the surface-mounted LED light source;

the two main guide lines are respectively arranged at the two side parts of the core line, each LED lamp string of the core line is connected between the two main guide lines through a connecting lead, and at least part of each main guide line is bent;

and the insulating coating layer is coated outside the core wire and the two main guide wires.

Preferably, a metal heat sink is disposed on the lower side of the PCB rigid board.

Preferably, each main conductor adopts any one of the following structures:

the straight line and the wave curve are arranged at intervals;

the straight line and the spiral spring curve are arranged at intervals;

the straight line and the broken line are arranged at intervals;

the whole body adopts a broken line, a wavy curve or a spiral spring curve.

Preferably, each LED light string comprises a PCB hard board, and a surface mounted LED light source is disposed on the PCB hard board; two ends of the PCB hard board are electrically connected with a main conducting wire through a connecting conducting wire respectively.

Preferably, each LED light string comprises at least two PCB hard boards, and each PCB hard board is provided with a patch LED light source; two adjacent hard boards are connected through a connecting wire, and the hard boards at the head end and the tail end are electrically connected with one main wire through the connecting wire.

Preferably, the connecting wires between the PCB hardboards and the connecting wires between the hardboards and the main wires adopt at least one of the following structures:

broken lines, wavy curves, spiral spring curves or irregular curves.

Preferably, the main wire or the connecting wire is made of iron, copper, aluminum, copper or an alloy of the materials; the strip-shaped body and the insulating wrapping layer of the core wire are made of soft plastic materials or silica gel materials; the section of the core wire is circular, oval, square or asymmetric.

Implement the embodiment of the utility model provides a, following beneficial effect has:

in the embodiment of the utility model, the core wire is provided with the PCB hard board which has enough strength, so that the safety of the lamp strip during bending is further improved, and electronic components in the lamp strip are not easy to damage;

meanwhile, the lens is arranged on the patch LED on the PCB hard board, so that the concentration degree of light rays can be improved;

two main guide lines in the lamp strip respectively comprise at least one section of bending curve; and the connecting wire between the PCB hard boards of the core wire or between the PCB hard boards and the main guide wire adopts at least one structure of a broken line, a wave curve, a spiral spring curve or an irregular curve, so that the main guide wire and the connecting wire have the performances of compressibility, stretchability and flexibility, the bending resistance of the lamp strip can be improved, the lamp strip can be bent in multiple angles and multiple directions, and the application occasion and the construction convenience of the lamp strip are improved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a core wire of a flexible light strip in the prior art;

FIG. 2 is a schematic view of a prior art light string structure of a flexible light strip;

FIG. 3 is a schematic view of the assembled components of FIGS. 1 and 2;

FIG. 4 is a schematic structural view of the substrate of FIG. 3 coated with a layer of soft elastic plastic or silicone;

FIG. 5 is a schematic view of FIG. 4 bent in one direction;

fig. 6 is a schematic structural diagram of an LED strip according to a first embodiment of the present invention;

fig. 7 is a schematic structural view illustrating an electrical connection between an LED light string and a main conducting wire according to an embodiment of the present invention;

FIG. 8 is a schematic structural view of the PCB stiffener shown in FIG. 6;

FIG. 9 is a schematic structural view of another PCB stiffener shown in FIG. 6;

FIG. 10 is a schematic view of a second type of main conductor in the core wire provided by the present invention;

FIG. 11 is a schematic view of a third main conductor in the core wire provided by the present invention;

fig. 12 is a schematic structural view illustrating an electrical connection between the LED lamp string and the main conducting wire according to a second embodiment of the present invention;

fig. 13 is a schematic structural view of the electrical connection between the LED lamp string and the main conducting wire according to the third embodiment of the present invention;

fig. 14 is a schematic structural view of a first connecting wire provided in the present invention;

fig. 15 is a schematic structural view of a second connecting wire provided in the present invention;

fig. 16 is a schematic structural view illustrating an electrical connection between the LED lamp string and the main conducting wire according to a fourth embodiment of the present invention;

fig. 17 is a schematic structural view of an electrical connection between the LED lamp string and the main conducting wire according to a fifth embodiment of the present invention;

fig. 18 shows a schematic diagram of multi-directional and multi-angle bending performed in various embodiments of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

As shown in fig. 6 to 8, the first embodiment of the flexible LED strip provided by the present invention is shown.

In this embodiment, the flexible LED strip comprises:

the core wire 1, in this embodiment, is generally concave in cross-section, it being understood that it is not limited thereto in other embodiments; the middle of the strip-shaped body of the core wire 1 is provided with a core wire groove 10 arranged along the direction of the lamp strip, and the core wires at two sides of the core wire groove 10 are provided with at least two main guide wires 2; in other application examples, the main conductor may be directly disposed on both sides of the core wire 1 without adopting the above-described core wire groove structure.

Two main conductors are shown in this embodiment, it being understood that more than two main conductors may be employed in other embodiments;

a plurality of LED light strings 3 are arranged at intervals in the strip-shaped body of the core wire 1, for example, the LED light strings may be arranged in a core wire slot, and each LED light string 3 includes at least one PCB hard board 34; each PCB hard board 34 is at least welded with a patch LED light source 30, a lens 32 is arranged on each patch LED light source, and the lens 32 covers the patch LED light sources;

the two main guide lines 2 are respectively arranged at the two side parts of the core line 1 (including the inner part of the core line and the outer side of the core line), and each LED lamp string 3 of the core line 1 is connected between the two main guide lines through a connecting guide line;

and the insulating coating layer 4 is coated outside the core wire 1 and the two main conducting wires 2.

In this embodiment, at least a portion of each main conductor 2 is disposed in a curved manner, and in the first embodiment, the main conductor is disposed at intervals between a straight line and a wavy curve; wherein, the length of each section of wave curve can be set according to the actual conditions.

It is understood that in other embodiments, the main conductor may have other structures, for example, a straight line may be spaced from a spiral spring curve (see fig. 10); or a straight line and a broken line are arranged at intervals (not shown); or a broken line, a wavy curve or a spiral spring curve as a whole, wherein fig. 11 shows a structure of a wavy curve as a whole.

It will be appreciated that in another example, each PCB board 34 includes a plurality of spaced apart device pads, and connection areas between adjacent device pads; the surface-mounted LED light source 30 or/and the surface-mounted electronic component are welded on the component welding area, and the surface-mounted LED light source 30 and the surface-mounted electronic component are electrically connected.

In another example of the present invention, as shown in fig. 9, a metal heat sink 33 is disposed under the PCB 34, so as to improve the heat dissipation effect of the LED strip.

In the first embodiment, each LED light string includes at least two PCB hard boards 34, and each PCB hard board 34 is provided with a patch LED light source; two adjacent hard boards are connected through a connecting wire 32, and the hard boards at the head end and the tail end are electrically connected with one main wire 2 through one connecting wire 32.

It is understood that in other embodiments, the LED strings may have other structures, for example, in the second embodiment shown in fig. 12, each LED string includes a PCB 34, and a patch LED light source is disposed on the PCB 34; two ends of the PCB hard board 34 are electrically connected with a main conductor 2 through a connecting conductor 32 respectively.

In other embodiments, the main conducting wires 2 may be arranged in segments, and one end of each LED string (e.g., one end of a PCB) is connected to the adjacent main conducting wires 2 on the same side; the other end of the LED lamp string (such as the other end of the PCB hard board) is respectively connected with the adjacent main conductor 2 at the other side, thereby realizing the transmission of electric signals. See, in particular, fig. 13.

In the first embodiment, the connecting wires 32 between the rigid boards of the PCB and the connecting wires 32 between the rigid boards and the main wires are all curved. It will be appreciated that in other embodiments, the connecting leads may take other forms of construction. Specifically, the connecting wire 32 between the rigid boards of the PCB and the connecting wire 32 between the rigid boards and the main wire adopt at least one of the following structures:

broken lines, wavy curves, spiral spring curves or irregular curves.

Wherein fig. 14 shows a wave curve and fig. 15 shows a coil spring curve. In fig. 16, the connecting wire 32 between the hardboard and the main wire is a coil spring curve; and in fig. 17, the connecting wire 32 between the hard boards of the PCB and the connecting wire 32 between the hard board and the main wire are all in a spiral spring curve.

It should be understood that in other embodiments, the connecting wires 32 between the PCB rigid boards, and the connecting wires 32 between the rigid boards and the main wires may adopt at least one of a broken line, a wavy curve, a spiral spring curve or a random curve, and a variety of structures formed by the arrangement and combination of the curves can be obtained; meanwhile, the main conductor may also adopt any one of the structures described above, which is not described herein again.

In the above embodiments, the main conductor 2 or the connecting conductor is made of iron, copper, aluminum, copper or an alloy of the above materials; the strip-shaped body and the insulating wrapping layer of the core wire are made of soft plastic materials or silica gel materials, such as PVC or PU materials; the section of the core wire 1 is circular, oval, square or asymmetric.

As shown in FIG. 18, a multi-directional multi-angle bending diagram of the present invention is shown. The utility model discloses can realize the effect that multi-angle multidirectional crooked was used more clear understanding, show the crooked effect of two kinds of different directions in the figure (the dotted line shows). It will be appreciated that other angles and orientations of bends may be implemented without damaging the internal circuit structure. The effects shown in fig. 18 can be achieved in all of the above embodiments one to five.

The above description is only for the preferred embodiment of the present invention and should not be construed as limiting the scope of the claims, therefore, all other equivalent changes and modifications that do not depart from the spirit of the present invention should be included in the scope of the claims.

Claims

1. A flexible LED strip, comprising:

2. The flexible LED strip of claim 1, wherein a metal heat sink is provided on the underside of said PCB board.

3. The flexible LED strip of claim 2, wherein each of said primary conductors is configured as any one of:

the straight line and the wave curve are arranged at intervals;

the straight line and the spiral spring curve are arranged at intervals;

the straight line and the broken line are arranged at intervals;

the whole body adopts a broken line, a wavy curve or a spiral spring curve.

4. The flexible LED strip of claim 3, wherein each LED string comprises a PCB rigid board, and a patch LED light source is disposed on the PCB rigid board; two ends of the PCB hard board are electrically connected with a main conducting wire through a connecting conducting wire respectively.

5. The flexible LED light strip of claim 3, wherein each LED light string comprises at least two PCB rigid boards, each PCB rigid board having a patch LED light source disposed thereon; two adjacent hard boards are connected through a connecting wire, and the hard boards at the head end and the tail end are electrically connected with one main wire through the connecting wire.

6. The flexible LED strip of claim 4 or 5, wherein the connecting wires between the rigid boards of the PCB and the connecting wires between the rigid boards and the main wires adopt at least one of the following structures:

broken lines, wavy curves, spiral spring curves or irregular curves.

7. The flexible LED light strip according to claim 6, wherein the strip-shaped body and the insulating coating of the core wire are made of soft plastic material or silica gel material; the section of the core wire is circular, oval, square or asymmetric.