CN210462595U

CN210462595U - Waterproof heat dissipation type LED lamp strip

Info

Publication number: CN210462595U
Application number: CN201921903486.4U
Authority: CN
Inventors: 朱永昌
Original assignee: Edg China Corp Ltd
Current assignee: Edg China Corp Ltd
Priority date: 2019-11-06
Filing date: 2019-11-06
Publication date: 2020-05-05
Anticipated expiration: 2029-11-06

Abstract

The utility model provides a waterproof heat-dissipation LED lamp strip, which comprises a circuit board and a plurality of LED lamp beads arranged on the circuit board at intervals along the length direction of the circuit board; the LED lamp is characterized in that a transparent waterproof layer covers the surfaces of the circuit board and the LED lamp beads, a plurality of low-thermal-resistance convex strips and a plurality of radiating fins are arranged on the lower surface of the circuit board, the low-thermal-resistance convex strips are arranged in parallel along the length direction of the circuit board, and the radiating fins are arranged on the circuit board and the low-thermal-resistance convex strips respectively. The waterproof heat-dissipation type LED lamp strip provided by the utility model has the advantages that the transparent waterproof layer is covered on the surfaces of the circuit board and each LED lamp bead, so that the good waterproof sealing effect is achieved; and the back of the circuit board is provided with the low-thermal-resistance convex strips and the radiating fins, so that the heat of the LED lamp beads is diffused along the low-thermal-resistance convex strips with low diffusion, the heat is effectively conducted to the radiating fins, the temperature of the radiating fins of the lamp is improved, the temperature of the LED lamp beads is finally reduced, the lighting effect of the LED lamp strip is effectively improved, and the service life of the LED lamp strip is effectively prolonged.

Description

Waterproof heat dissipation type LED lamp strip

Technical Field

The utility model belongs to the lamps and lanterns field relates to a LED lamp strip, especially relates to a waterproof heat dissipation type LED lamp strip.

Background

With the continuous progress of the technology, the LED lamp strip is widely applied to the lighting decoration and illumination of displays and televisions. At present, with the continuous development of the industry, the leap breakthrough of the technology and the vigorous popularization of the application, the luminous efficiency of the LED is also continuously improved, and the price is continuously lowered. The LED backlight source has the characteristics of energy conservation, environmental protection, long service life, low power consumption, simple and convenient maintenance and the like, and can be widely applied to the fields of various indications, displays, backlight sources, common illumination and the like.

Because LED display screen is more and more used in the open air, consequently, LED lamp strip needs good waterproof sealing design to prevent that rainwater etc. from getting into LED lamp strip in, causing short circuit and trouble. In the prior art, the waterproof design of the LED lamp strip is mostly sealed by adopting a light-transmitting mask and a sealant, but the sealing mode has the defects of complex process, high cost and poor sealing effect, particularly, water vapor is easily accumulated inside and outside the light-transmitting mask due to the change of outdoor environment, the display effect and the service life of the LED display screen are greatly influenced, and the actual application is not facilitated; in addition, the conventional LED lamp is thin, so that heat dissipation is slow, which may affect the service life. Therefore, there is a need for improvements to existing LED light bars.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the technical problem that will solve is: to the defect of the prior art, a waterproof heat dissipation type LED lamp strip is provided.

The utility model discloses a solve above-mentioned technical problem and adopt following technical scheme:

the utility model provides a waterproof heat-dissipation LED lamp strip, which comprises a circuit board and a plurality of LED lamp beads arranged on the circuit board at intervals along the length direction of the circuit board; the LED lamp is characterized in that a transparent waterproof layer covers the surfaces of the circuit board and the LED lamp beads, a plurality of low-thermal-resistance convex strips and a plurality of radiating fins are arranged on the lower surface of the circuit board, the low-thermal-resistance convex strips are arranged in parallel along the length direction of the circuit board, and the radiating fins are arranged on the circuit board and the low-thermal-resistance convex strips respectively.

Furthermore, on the waterproof heat dissipation type LED lamp strip, the end faces of two sides of the circuit board are provided with the transparent waterproof layers.

Furthermore, on the waterproof heat dissipation type LED lamp strip, one end of the circuit board is provided with a power line connected with the LED lamp bead.

Furthermore, on the waterproof heat dissipation type LED lamp strip, a plurality of LED lamp beads are connected through electric wires.

Further, waterproof heat dissipation type LED lamp strip on, transparent waterproof layer is transparent silica gel material.

Furthermore, on the waterproof heat dissipation type LED lamp strip, the number of the low-heat-resistance raised strips is 3, and the raised strips are arranged in the middle of the circuit board at intervals.

Furthermore, on the waterproof heat dissipation type LED lamp strip, the distance between every two adjacent heat dissipation fins is equal to the distance between every two adjacent low-thermal-resistance convex strips.

Furthermore, on the waterproof heat dissipation type LED lamp strip, a plurality of heat dissipation fins are obliquely arranged, and the inclination angle α of the heat dissipation fins relative to the edge of the circuit board is 55-65 degrees.

Furthermore, on the waterproof heat dissipation type LED lamp strip, a plurality of heat dissipation fins are obliquely arranged, and the inclination angle β of the heat dissipation fins relative to the edge of the circuit board is 60-120 degrees.

Further preferably, on the waterproof heat dissipation type LED light bar, a plurality of the heat dissipation fins are arranged perpendicular to the circuit board and the low thermal resistance protruding strips.

The utility model adopts the above technical scheme, compare with prior art, have following technological effect:

the utility model provides a waterproof heat dissipation type LED lamp strip, through covering transparent waterproof layer on the surface of circuit board and each LED lamp pearl to cover circuit board and each LED lamp pearl and seal, play good waterproof sealing effect, play the crashproof guard action simultaneously; and the back of the circuit board is provided with the low-thermal-resistance raised lines and the radiating fins, so that the heat of the LED lamp beads is diffused along the low-thermal-resistance raised lines with low diffusion, the thermal resistance from the LED lamp beads to the radiating fins is reduced, the heat is effectively conducted to the radiating fins, the temperature of the radiating fins of the lamp is improved, the temperature of the LED lamp beads is finally reduced, the lighting effect of the LED lamp strip is effectively improved, and the service life of the LED lamp strip is effectively.

Drawings

Fig. 1 is a schematic top view of a waterproof heat-dissipating LED light bar of the present invention;

fig. 2 is a schematic view of a partial structure of a portion a of a waterproof heat-dissipating type LED light bar of the present invention;

fig. 3 is a schematic view of a bottom view structure of a waterproof heat-dissipating type LED light bar of the present invention;

fig. 4 is a schematic view of a partial structure of a portion B of a waterproof heat-dissipating type LED light bar of the present invention;

wherein the reference symbols are:

the LED lamp comprises a circuit board 1, LED lamp beads 2, a transparent waterproof layer 3, a power line 4, an electric wire 5, a low-thermal-resistance raised line 6 and a radiating fin 7.

Detailed Description

The technical solution of the present invention will be further described in detail with reference to the accompanying drawings.

Referring to fig. 1 and fig. 3, the present embodiment provides a waterproof heat dissipation type LED light bar, including a circuit board 1 and a plurality of LED light beads 2 arranged on the circuit board 1 at intervals along a length direction thereof; the LED lamp is characterized in that the surface of the circuit board 1 and the surface of the LED lamp bead 2 are covered with a transparent waterproof layer 3, the lower surface of the circuit board 1 is provided with a plurality of low-thermal-resistance convex strips 6 and a plurality of radiating fins 7, the plurality of low-thermal-resistance convex strips 6 are arranged in parallel with each other along the length direction of the circuit board 1, and the plurality of radiating fins 7 are respectively arranged on the circuit board 1 and the low-thermal-resistance convex strips.

In this embodiment, the end surfaces of both sides of the circuit board 1 are provided with the transparent waterproof layer 3, so that moisture is prevented from entering the gap between the transparent waterproof layer 3 and the circuit board 1 from the end surface of the circuit board 1, and the sealing effect of the circuit board 1 is greatly improved. Specifically, the transparent waterproof layer 3 is made of transparent silica gel.

In this embodiment, please refer to fig. 1-2, a power line 4 connected to the LED lamp bead 2 is disposed at one end of the circuit board 1, and the power line 4 is connected to a power supply to supply power to the waterproof heat-dissipation LED lamp strip. In addition, a plurality of LED lamp pearls 2 are connected in series through electric wires 5.

In the present embodiment, as shown in fig. 3-4, the number of the low thermal resistance protruding strips 6 is 3, and the low thermal resistance protruding strips are arranged at the middle of the circuit board 1 at intervals. Because of the heat of LED lamp pearl 2 effectively conducts on fin 7 through the circuit board, improve the temperature of lamps and lanterns fin, through experimental verification, it is adjacent interval between fin 7 equals 2 times adjacent the structural design of the interval between low thermal resistance sand grip 6 can improve the convection current of fin 7 and air greatly, realizes effectively dispelling the heat.

In this embodiment, referring to fig. 4, the plurality of heat dissipation fins 7 are disposed in an inclined manner, and the inclined angle α of the heat dissipation fins 7 with respect to the edge of the circuit board 1 is 55-65 °, preferably, the inclined angle α of the plurality of heat dissipation fins 7 with respect to the edge of the circuit board 1 is 58-62 °, and more preferably, the inclined angle α of the plurality of heat dissipation fins 7 with respect to the edge of the circuit board 1 is 60 °.

In the embodiment, referring to fig. 4, a plurality of the heat dissipation fins 7 are arranged in an inclined manner, and the inclination angle β of the heat dissipation fins relative to the edge of the circuit board 1 is 60-120 °, preferably, a plurality of the heat dissipation fins 7 are arranged in an inclined manner, and the inclination angle β of the heat dissipation fins relative to the edge of the circuit board 1 is 70-110 °, a plurality of the heat dissipation fins 7 are arranged in an inclined manner, and the inclination angle β of the heat dissipation fins relative to the edge of the circuit board 1 is 80-190 °, and most preferably, a plurality of the heat dissipation fins 7 are arranged perpendicular to the circuit board 1 and the low thermal resistance.

According to the waterproof heat-dissipation type LED lamp strip, the transparent waterproof layer 3 is covered on the surfaces of the circuit board 1 and each LED lamp bead 2, so that the circuit board 1 and each LED lamp bead 2 are covered and sealed, a good waterproof sealing effect is achieved, and meanwhile an anti-collision protection effect is achieved; and the back of the circuit board 2 is provided with the low thermal resistance convex strips 6 and the radiating fins 7, so that the heat of the LED lamp beads 2 is diffused along the low thermal resistance convex strips 6 with low diffusion, the thermal resistance from the LED lamp beads 2 to the radiating fins 7 is reduced, the heat is effectively conducted to the radiating fins 7, the temperature of the radiating fins 7 of the lamp is increased, the temperature of the LED lamp beads 2 is finally reduced, and the lighting effect and the service life of the LED lamp strip are effectively improved.

The present invention has been described in detail with reference to the specific embodiments, but the present invention is only by way of example and is not limited to the specific embodiments described above. Any equivalent modifications and substitutions to those skilled in the art are intended to be within the scope of the present invention. Accordingly, variations and modifications in equivalents may be made without departing from the spirit and scope of the invention, which is intended to be covered by the following claims.

Claims

1. A waterproof heat-dissipation type LED lamp strip comprises a circuit board (1) and a plurality of LED lamp beads (2) which are arranged on the circuit board (1) at intervals along the length direction of the circuit board; the LED lamp is characterized in that the surface of the circuit board (1) and the surface of the LED lamp bead (2) are covered with a transparent waterproof layer (3), the lower surface of the circuit board (1) is provided with a plurality of low-thermal-resistance convex strips (6) and a plurality of radiating fins (7), the plurality of low-thermal-resistance convex strips (6) are arranged in parallel with each other in the length direction of the circuit board (1), and the radiating fins (7) are arranged on the circuit board (1) and the low-thermal-resistance convex strips (6) respectively.

2. The waterproof and heat-dissipation type LED lamp bar as claimed in claim 1, wherein the transparent waterproof layer (3) is disposed on both side end surfaces of the circuit board (1).

3. The waterproof and heat-dissipation type LED lamp bar as claimed in claim 1, wherein one end of the circuit board (1) is provided with a power line (4) connected with the LED lamp beads (2).

4. The waterproof and heat-dissipation type LED lamp bar as claimed in claim 1, wherein the plurality of LED lamp beads (2) are connected through wires (5).

5. The waterproof and heat-dissipation type LED lamp bar as claimed in claim 1, wherein the transparent waterproof layer (3) is made of transparent silica gel.

6. The waterproof heat-dissipation type LED lamp bar as claimed in claim 1, wherein the number of the low thermal resistance protruding strips (6) is 3, and the low thermal resistance protruding strips are arranged at intervals in the middle of the circuit board (1).

7. The waterproof and heat-dissipating type LED light bar as claimed in claim 1, wherein the distance between the adjacent heat dissipating fins (7) is equal to 2 times the distance between the adjacent low thermal resistance ribs (6).

8. The waterproof and heat-dissipating type LED light bar as claimed in claim 1, wherein the plurality of heat dissipating fins (7) are arranged in an inclined manner, and the inclined angle α of the heat dissipating fins with respect to the edge of the circuit board (1) is 55-65 °.

9. The waterproof and heat-dissipating type LED light bar as claimed in claim 1, wherein the plurality of heat dissipating fins (7) are arranged in an inclined manner, and the inclined angle β of the plurality of heat dissipating fins with respect to the edge of the circuit board (1) is 60-120 °.

10. The waterproof and heat-dissipating type LED light bar according to claim 9, wherein a plurality of the heat dissipating fins (7) are arranged perpendicular to the circuit board (1) and the low thermal resistance ribs (6).