CN218119482U

CN218119482U - LED lamp strip

Info

Publication number: CN218119482U
Application number: CN202220749070.7U
Authority: CN
Inventors: 张满满
Original assignee: Edison Opto Dongguan Co ltd
Current assignee: Edison Opto Dongguan Co ltd
Priority date: 2022-04-01
Filing date: 2022-04-01
Publication date: 2022-12-23
Anticipated expiration: 2032-04-01

Abstract

The application discloses LED lamp area, including flexible circuit board, a plurality of LED module and glue dripping layer. The LED modules are sequentially arranged on the front side of the flexible circuit board along the length direction of the flexible circuit board, and each LED module comprises a plurality of lamp beads connected in series; the glue dripping layer is arranged on the front face of the flexible circuit board, the LED module is located between the glue dripping layer and the flexible circuit board, the glue dripping layer is provided with a heat dissipation groove, the heat dissipation groove is located on one side of the LED module, and the heat dissipation groove is filled with sponge. The LED lamp area of this application embodiment adopts the flexible circuit board, make the LED lamp area soft, the LED module is located between glue dripping layer and the flexible circuit board, make to drip the glue layer and can protect the LED module, waterproof effect has, be equipped with the radiating groove dripping the glue layer, the radiating groove intussuseption is filled with the sponge, can dispel the heat to LED module and flexible circuit board, it is too high to avoid the lamp pearl temperature in flexible circuit board and the LED module, thereby can guarantee the luminous efficacy and the luminous luminance in LED lamp area, and guarantee the life in LED lamp area.

Description

LED lamp strip

Technical Field

The application relates to the technical field of lighting, in particular to an LED lamp strip.

Background

LED light strips are widely appreciated for their remarkable energy saving effect and versatile variability of color, and are commonly used for decorating buildings and illuminating pavements. In the correlation technique, in order to reach water-proof effects, LED lamp area almost all adopts full seal structure, and heat dispersion is poor, because the luminous efficacy in LED lamp area and luminous luminance can descend along with the rising of the temperature of lamp pearl, if not in time heat dissipation, can make lamp pearl and flexible circuit board work in high temperature environment for a long time, will seriously influence the normal work in LED lamp area to can shorten the life in LED lamp area.

SUMMERY OF THE UTILITY MODEL

The present application is directed to solving at least one of the problems in the prior art. Therefore, the application provides an LED lamp area, can dispel the heat to flexible circuit board and lamp pearl to guarantee the life in LED lamp area.

An embodiment of the present application provides a LED lamp strip, include:

a flexible circuit board;

the LED modules are sequentially arranged on the front side of the flexible circuit board along the length direction of the flexible circuit board, and each LED module comprises a plurality of lamp beads connected in series;

the LED flexible circuit board comprises a flexible circuit board and a glue dripping layer, wherein the glue dripping layer is arranged on the front surface of the flexible circuit board, the LED module is arranged between the glue dripping layer and the flexible circuit board, the glue dripping layer is provided with a heat dissipation groove, the heat dissipation groove is arranged on one side of the LED module, and the heat dissipation groove is filled with sponge.

According to the LED lamp area of this application embodiment, have following beneficial effect at least: the LED lamp area of this application embodiment, including flexible circuit board, a plurality of LED module and glue dripping layer. The LED modules are sequentially arranged on the front side of the flexible circuit board along the length direction of the flexible circuit board, and each LED module comprises a plurality of lamp beads connected in series; the glue dripping layer is arranged on the front face of the flexible circuit board, the LED module is located between the glue dripping layer and the flexible circuit board, the glue dripping layer is provided with a heat dissipation groove, the heat dissipation groove is located on one side of the LED module, and the heat dissipation groove is filled with sponge. The LED lamp area of this application embodiment adopts the flexible circuit board, make LED lamp area soft, can be crooked, the LED module is located between glue dripping layer and the flexible circuit board, make to drip the glue layer and can protect the LED module, waterproof effect has, and be equipped with the radiating groove at glue dripping layer, and the radiating groove intussuseption is filled with the sponge, can dispel the heat to LED module and flexible circuit board, avoid flexible circuit board and LED module high temperature, thereby can guarantee the life in LED lamp area.

According to some embodiments of the present application, the dispensing layer is a PU glue layer.

According to some embodiments of the application, the cross-sectional shape of the bead of glue is semi-circular.

According to some embodiments of the application, a plurality of the LED modules are connected in parallel with each other.

According to some embodiments of the application, the back side of the flexible circuit board is provided with a lead.

According to some embodiments of the application, a cut-out region is arranged between adjacent LED modules.

According to some embodiments of the application, the cutting zone is provided with a cutting identifier.

According to some embodiments of the present application, the LED module further comprises a current limiting unit, the current limiting unit being connected in series with the lamp bead.

According to some embodiments of the present application, the current limiting unit is a constant current chip.

According to some embodiments of the application, the current limiting unit is a resistor.

Additional aspects and advantages of the present application will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The present application is further described with reference to the following figures and examples, in which:

fig. 1 is a schematic structural diagram of a LED strip according to some embodiments of the present application;

fig. 2 is a schematic cross-sectional view of a LED strip according to some embodiments of the present application.

Reference numerals:

a flexible circuit board 100; a shear zone 110; a cropping identification 120; a conductive line 130;

a lamp bead 210; a current limiting unit 220;

a glue dripping layer 300; a heat sink 310; a sponge 320.

Detailed Description

Reference will now be made in detail to embodiments of the present application, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present application and are not to be construed as limiting the present application.

In the description of the present application, it is to be understood that the positional descriptions, such as the directions of up, down, front, rear, left, right, etc., referred to herein are based on the directions or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, and do not indicate or imply that the referred device or element must have a specific direction, be constructed and operated in a specific direction, and thus, should not be construed as limiting the present application.

In the description of the present application, the meaning of a plurality is one or more, the meaning of a plurality is two or more, and the above, below, exceeding, etc. are understood as excluding the present number, and the above, below, within, etc. are understood as including the present number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present application, unless otherwise expressly limited, terms such as set, mounted, connected and the like should be construed broadly, and those skilled in the art can reasonably determine the specific meaning of the terms in the present application by combining the detailed contents of the technical solutions.

In the description of the present application, reference to the description of the terms "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present application. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

In the related art, the LED lamp strip generally adopts a fully sealed structure, so that the heat dissipation performance is poor, and the light emitting efficiency and the light emitting brightness of the LED lamp strip are reduced along with the increase of the temperature of the lamp bead; and, when the lamp area was worked in high temperature environment for a long time, can influence the normal work in LED lamp area for the ageing speed of lamp pearl and circuit board shortens the life in LED lamp area. Based on this, this application embodiment provides a LED lamp area, can dispel the heat to flexible circuit board and lamp pearl to guarantee the life in LED lamp area.

Referring to fig. 1 to 2, an embodiment of the present application provides an LED strip, which includes a flexible circuit board 100, a plurality of LED modules, and a glue dripping layer 300. The plurality of LED modules are sequentially arranged on the front side of the flexible circuit board 100 along the length direction of the flexible circuit board 100, and each LED module comprises a plurality of lamp beads 210 connected in series; the dispensing layer 300 is disposed on the front surface of the flexible circuit board 100, the LED module is disposed between the dispensing layer 300 and the flexible circuit board 100, the dispensing layer 300 is provided with a heat sink 310, the heat sink 310 is disposed on one side of the LED module, and the heat sink 310 is filled with a sponge 320. The LED lamp area of this application embodiment adopts flexible circuit board 100, make LED lamp area soft, can bend, the LED module is located between glue dripping layer 300 and flexible circuit board 100, make glue dripping layer 300 can protect the LED module, waterproof effect has, and glue dripping layer 300 is equipped with radiating groove 310, and radiating groove 310 intussuseption is filled with sponge 320, can dispel the heat to LED module and flexible circuit board 100, it is too high to avoid lamp pearl 210 temperature in flexible circuit board 100 and the LED module, thereby can guarantee the luminous efficacy and the luminance of LED lamp area, and guarantee the life in LED lamp area.

It is understood that in the heat sink 310, the sponge 320 can be directly contacted with the flexible circuit board 100. Through filling sponge 320 in radiating groove 310, because sponge 320 has the characteristics that the gas permeability is good and the hydroscopicity is good for when can dispel the heat to flexible circuit board 100 in LED lamp area, LED module, can absorb the vapor in the air, avoid vapor to damage flexible circuit board 100 and LED module, thereby guarantee the heat dispersion and the life in LED lamp area.

It should be noted that the number of the heat dissipation slots 310 shown in fig. 1 and fig. 2 is only an example and is not to be construed as a limitation of the present application, and a person skilled in the art may set the number of the heat dissipation slots 310 according to actual needs.

It should be noted that the lamp beads 210 are LED lamp beads 210, and fig. 1 and fig. 2 show that 4 lamp beads 210 are provided in each LED module, which is only an example and cannot be understood as a limitation of the present application, and a person skilled in the art may set the number of the lamp beads 210 in each LED module according to actual needs.

It can be understood that the glue dripping layer 300 is a PU glue layer, the PU glue has excellent bonding fastness, the heat resistance is good, and the glue is colorless and transparent, and can ensure the luminous efficiency of the lamp bead 210.

It is understood that the cross-sectional shape of the glob top layer 300 is a semi-circle. The cross-sectional shape that will drip glue film 300 is semi-circular, can reduce and drip glue film 300 cross sectional area, is favorable to the heat dissipation of circuit board, lamp pearl 210.

It can be understood that a plurality of LED modules are parallelly connected each other for after LED lamp area circular telegram, the voltage of every LED module equals, makes the LED lamp area of this application embodiment can evenly give out light.

It is understood that the back side of the flexible circuit board 100 is provided with the conductive lines 130. The two wires 130 may be provided, one of which is a positive current limiting circuit, and the other is a negative current limiting circuit, and the two wires 130 are connected to a power supply and supply power to the flexible circuit board 100. The LED lamp area of this application embodiment sets up the LED module through the front at flexible circuit board 100, sets up wire 130 at the back of flexible circuit board 100, inserts the commercial power through wire 130, can save the positive area of flexible circuit board 100 for can set up the lamp pearl 210 that the quantity is more in LED module, so that LED lamp area is luminous brighter.

It is understood that a cutout region 110 is provided between adjacent LED modules. The user can cut out the shearing area 110 in LED lamp area to change the length in LED lamp area, the LED lamp area after cutting out can pass through wire 130 and insert power, convenient to use.

It will be appreciated that the crop area 110 is provided with a crop identifier 120, the crop identifier 120 being used to alert the user to the location of the crop.

It can be understood that the LED module further includes a current limiting unit 220, and the current limiting unit 220 is connected in series with the lamp bead 210. In some embodiments, the current limiting unit 220 is a resistor, and is connected in series with the plurality of lamp beads 210 through the current limiting unit 220, so that in the LED module, the current flowing through the lamp beads 210 is prevented from being too large, the lamp beads 210 are protected, and the service life of the LED strip is ensured.

It is understood that in other embodiments, the current limiting unit 220 is a constant current chip. The constant current chip has a voltage-stabilizing and constant-current function, and can maintain voltage and current when the LED lamp strip is connected with a power supply on the basis of prolonging the service life of the lamp beads 210, so that the situation that the voltage of the lamp beads 210 far away from the power supply is too low can be avoided, and the LED lamp strip can uniformly emit light, so that the LED lamp strip of the embodiment of the application can be ensured to uniformly emit light while being provided with a longer length; and more lamp beads 210 are arranged in each LED module, so that the LED lamp strip can emit light more brightly. For example, the LED lamp strip in the embodiment of the present application can set a working voltage of 24V, a length of 10 meters, 26 LED modules are arranged per meter, each LED module is provided with 7 lamp beads 210, that is, 182 lamp beads 210 are arranged per meter, and the LED lamp strip can uniformly emit light; it should be noted that, the length and the working voltage of the LED strip may be set according to actual needs in the field, the number of the LED modules provided per meter of the LED strip, and the number of the lamp beads 210 provided per LED module may be set according to actual needs, which is not particularly limited in the present application.

It is understood that in some embodiments, the LED strip may further include a housing (not shown), and the flexible circuit board 100, the plurality of LED modules, and the dispensing layer 300 are disposed in the housing, and the housing can protect the circuit board and the LED modules.

The embodiments of the present application have been described in detail with reference to the drawings, but the present application is not limited to the embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the gist of the present application. Furthermore, the embodiments and features of the embodiments of the present application may be combined with each other without conflict.

Claims

1. A LED strip, comprising:

a flexible circuit board;

the LED flexible circuit board comprises a glue dripping layer, wherein the glue dripping layer is arranged on the front surface of the flexible circuit board, the LED module is located between the glue dripping layer and the flexible circuit board, the glue dripping layer is provided with a heat dissipation groove, the heat dissipation groove is located on one side of the LED module, and the heat dissipation groove is filled with sponge.

2. The LED strip according to claim 1, wherein the glue dripping layer is a PU glue layer.

3. The LED light strip according to claim 1, wherein the cross-sectional shape of the layer of glob is semicircular.

4. The LED light strip according to claim 1, wherein a plurality of said LED modules are connected in parallel with each other.

5. The LED light strip according to claim 1, wherein the back side of the flexible circuit board is provided with wires.

6. The LED light strip according to claim 1, wherein a cutout region is provided between adjacent LED modules.

7. The LED strip according to claim 6, wherein said cut-out regions are provided with cut-out markings.

8. The LED light strip of claim 1, wherein the LED module further comprises a current limiting unit in series with the light bead.

9. The LED strip according to claim 8, wherein the current limiting unit is a constant current chip.

10. The LED light strip according to claim 8, wherein the current limiting unit is a resistor.