CN218763254U

CN218763254U - Waterproof LED lamp strip of initiative heat dissipation

Info

Publication number: CN218763254U
Application number: CN202223235542.6U
Authority: CN
Inventors: 姚生化; 韦桥; 陈志明; 丁宇轩
Original assignee: Shenzhen Relight Technology Co ltd
Current assignee: Shenzhen Relight Technology Co ltd
Priority date: 2022-12-01
Filing date: 2022-12-01
Publication date: 2023-03-28
Anticipated expiration: 2032-12-01

Abstract

The utility model relates to a waterproof LED lamp strip of initiative heat dissipation, include: LED lamp beads; the LED lamp bead is connected to the PCB; the active heat dissipation fluid cavity is arranged on the PCB back to one side of the LED lamp bead and an insulating sleeve, the LED lamp bead, the PCB and the active heat dissipation fluid cavity are arranged in the insulating sleeve, and the LED lamp bead and the PCB form a seal and are isolated from the active heat dissipation fluid cavity.

Description

Waterproof LED lamp strip of initiative heat dissipation

Technical Field

The utility model relates to a LED technical field especially relates to a waterproof LED lamp strip of initiative heat dissipation.

Background

The power density of the existing waterproof LED lamp strip is generally 10-20W/m, the application of the waterproof LED lamp strip in a scene with high illumination requirement is limited due to low power density, the main limitation is that the waterproof LED lamp strip is low in heat dissipation due to the problem of heat dissipation, the sealing performance of the waterproof LED lamp strip is guaranteed, the heat dissipation performance of the waterproof LED lamp strip is low, the LED lamp strip is easily overhigh in temperature once the power density is overhigh, the service life is influenced, even damage can be directly caused, and further fire disasters can be caused.

SUMMERY OF THE UTILITY MODEL

In view of the above, it is necessary to provide an active heat dissipation waterproof LED light bar with improved heat dissipation performance.

In order to solve the technical problem, the utility model discloses a technical scheme be: an active heat dissipation waterproof LED light bar, comprising:

an LED lamp bead;

the LED lamp bead is connected to the PCB;

the active heat dissipation fluid cavity is arranged on one surface of the PCB opposite to the LED lamp beads,

the LED lamp bead, PCB printed circuit board with the active heat dissipation fluid cavity configuration is in the insulating sleeve, just LED lamp bead with PCB printed circuit board forms sealedly and with the active heat dissipation fluid cavity is kept apart.

Further, the LED lamp beads and the PCB are embedded into the insulating sleeve to form sealing in the body, and the inner hole of the insulating sleeve forms the active heat dissipation fluid cavity.

Further, the active heat dissipation fluid cavity is formed by a flow guide pipe, insulating sealant is filled in the insulating sleeve, and the insulating sealant wraps the LED lamp beads and the PCB to form sealing.

Furthermore, the insulating sleeve is completely or partially transparent, and the insulating sealant is completely or partially transparent.

Furthermore, the two ends of the flow guide pipe extend out of the insulating sleeve.

Furthermore, the active heat dissipation fluid cavity is flat, wherein a flat surface faces the PCB.

Furthermore, a radiating fin is arranged between the active radiating fluid cavity and the PCB, one surface of the radiating fin is attached to the PCB, and the other surface of the radiating fin is attached to the active radiating fluid cavity.

Furthermore, one surface of the active heat dissipation fluid cavity facing the PCB is provided with a plurality of grooves, and heat dissipation fins are embedded in the grooves.

Furthermore, two ends of the active heat dissipation fluid cavity are respectively provided with an internal thread connecting part.

Furthermore, the active heat dissipation fluid cavity is connected with a speed regulating pump.

Further, a refrigerator and/or a heat exchange device is connected to the active heat dissipation fluid cavity.

The beneficial effects of the utility model reside in that: dispose the active heat dissipation fluid chamber in insulation support, LED lamp pearl and PCB printed circuit board are kept apart with the active heat dissipation fluid chamber, the security of LED lamp pearl and PCB printed circuit board has been guaranteed, the heat of LED lamp pearl conducts the active heat dissipation fluid chamber through PCB printed circuit board simultaneously, the heat is taken away by the fluid in the active heat dissipation fluid intracavity, thereby the heat-sinking capability of waterproof LED lamp strip has been improved, can effectively reduce the temperature of LED lamp strip, provide the basis for improving the power of LED lamp strip.

Drawings

Fig. 1 is a schematic structural view of an active heat dissipation waterproof LED light bar according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of another embodiment of an active heat dissipation waterproof LED light bar according to an embodiment of the present invention;

fig. 3 is a schematic structural view of another embodiment of an active heat dissipation waterproof LED light bar according to an embodiment of the present invention;

fig. 4 is a schematic structural view of another embodiment of an active heat dissipation waterproof LED light bar according to an embodiment of the present invention;

fig. 5 is a schematic structural view of a further embodiment of an active heat dissipation waterproof LED light bar according to an embodiment of the present invention;

fig. 6 is a schematic view of a connection structure of an active heat dissipation waterproof LED light bar according to an embodiment of the present invention;

fig. 7 is a schematic structural view of another direction of an active heat dissipation waterproof LED light bar according to an embodiment of the present invention;

fig. 8 is a schematic structural diagram of another embodiment of a heat sink of an active heat dissipation waterproof LED light bar according to an embodiment of the present invention;

fig. 9 is a schematic view of a connection structure of an active heat dissipation waterproof LED light bar according to an embodiment of the present invention.

Description of the reference symbols:

100. LED lamp beads; 200. a PCB printed circuit board; 300. an active heat dissipation fluid cavity; 310. a flow guide pipe;

320. a groove; 330. an internal threaded connection; 400. an insulating sleeve; 500. insulating sealant;

600. a heat sink; 710. a speed regulating pump; 720. a refrigerator; 730. a heat exchange device;

740. and (4) circulating the pond.

Detailed Description

In order to make the purpose, technical scheme and advantage of the utility model more clearly understand, it is right below to combine the figure and embodiment, the utility model relates to a waterproof LED lamp strip of initiative heat dissipation carries out further detailed description. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

Referring to fig. 1 to 9, an active heat dissipation waterproof LED light bar includes:

an LED lamp bead 100;

the PCB printed circuit board 200 and the LED lamp beads 100 are connected to the PCB printed circuit board 200;

an active heat dissipation fluid chamber 300 disposed on a surface of the PCB 200 opposite to the LED lamp bead 100,

insulating sleeve 400, LED lamp pearl 100, PCB printed circuit board 200 and active heat dissipation fluid cavity 300 configuration are in insulating sleeve 400, and LED lamp pearl 100 and PCB printed circuit board 200 form sealedly and keep apart from active heat dissipation fluid cavity 300.

An active heat dissipation fluid cavity 300 is arranged in the insulating sleeve 400, the LED lamp bead 100 and the PCB 200 are isolated from the active heat dissipation fluid cavity 300, so that the safety of the LED lamp bead 100 and the PCB 200 is ensured, meanwhile, the heat of the LED lamp bead 100 is conducted to the active heat dissipation fluid cavity 300 through the PCB 200, and the heat is taken away by the fluid in the active heat dissipation fluid cavity 300, so that the heat dissipation capacity of the waterproof LED lamp bar is improved, the temperature of the LED lamp bar can be effectively reduced, and a foundation is provided for improving the power of the LED lamp bar.

Referring to fig. 1 and 2, the led lamp bead 100 and the PCB 200 are embedded in the body of the insulating sleeve 400 to form a seal, and the inner hole of the insulating sleeve 400 forms an active heat dissipation fluid cavity 300. Preferably, the LED lamp bead 100 and the PCB 200 may be embedded into the body of the insulating sleeve 400 by a glue dropping or extruding process to form an interlayer to seal the LED lamp bead 100 and the PCB 200. Preferably, the insulating sleeve 400 is made of insulating material with excellent thermal conductivity, such as silicon, silica gel, and carbon fiber thermal conductive material.

Referring to fig. 3 to 8, the active heat dissipation fluid chamber 300 is formed by a flow guide tube 310, an insulating sealant 500 is filled in the insulating sleeve 400, and the LED lamp bead 100 and the PCB 200 are wrapped by the insulating sealant 500 to form a seal. The LED lamp beads 100 and the FPCD-LED are sealed by the filling sealant and then are connected with the flow guide pipe 310 into a whole, so that the stability of each part is ensured. Preferably, the material of the flow guide tube 310 is made of a material with superior heat conductivity, such as silicon, silica gel, metal, alloy, carbon fiber heat conductive material, and the like. Particularly, when a material having a good conductivity is used, the flow guide tube 310 is connected to a ground line. In particular, the insulating sealant 500 is made of an insulating material with good thermal conductivity, such as silicone rubber, vulcanized silicone rubber, methyl diethyl silicone rubber, and the like.

Preferably, the two ends of the flow guide tube 310 extend out of the insulating sleeves 400. The draft tube 310 extends outside the insulating sleeve 400, which can facilitate the connection of the draft tube 310 with other pipes.

Specifically, the active heat dissipation fluid chamber 300 is flat, wherein a flat surface faces the PCB 200. The flat surface can ensure better contact area, and is convenient to process and manufacture and convenient to install.

Referring to fig. 2, 4, 5, 7 and 8, a heat sink 600 is disposed between the active heat dissipation fluid chamber 300 and the PCB 200, one surface of the heat sink 600 is attached to the PCB 200, and the other surface is attached to the active heat dissipation fluid chamber 300. The heat sink 600 is disposed to improve the thermal conductivity between the PCB 200 and the active heat dissipation fluid chamber 300, thereby improving the heat dissipation efficiency. And the arrangement of the heat sink 600 can break through the limitation of the shape of the flow guide pipe 310, that is, one side of the heat sink 600 facing the PCB 200 is adapted to the PCB 200, and one side of the heat sink 600 facing the active heat dissipation fluid chamber 300 is adapted to the active heat dissipation fluid chamber 300, for example, one side of the heat sink 600 facing the PCB 200 is a plane, the cross-sectional profile of the active heat dissipation fluid chamber 300 is an arc surface, and one side of the heat sink 600 facing the active heat dissipation fluid chamber 300 is an adapted concave arc surface, so that the contact area can be increased. It is understood that the heat sink 600 is made of a material with good thermal conductivity, such as silicon, silicon gel, metal, alloy, carbon fiber heat conductive material, etc.

Referring to fig. 8, a plurality of grooves 320 are formed on a surface of the active heat dissipation fluid chamber 300 facing the PCB 200, and a heat sink 600 is embedded in the grooves 320. The groove 320 is provided and the heat sink 600 is embedded, so that the contact area between the heat sink 600 and the active heat dissipation fluid chamber 300 is increased, thereby increasing the heat conduction capability.

Referring to fig. 6, two ends of the active heat dissipation fluid chamber 300 are respectively provided with an internal threaded connection portion 330. The internal thread connection 330 is provided, both ends of the active heat dissipation fluid chamber 300 may be flush with the insulation sleeve 400 or may exceed the insulation sleeve 400, and generally, a sealing gasket may be used to enhance sealing of a pipe connected to the active heat dissipation fluid chamber 300.

Referring to fig. 9, the active heat dissipating fluid chamber 300 is connected to a speed regulating pump 710. The speed regulating pump 710 is arranged to regulate the speed of the fluid, so as to regulate the heat dissipation speed and further regulate the temperature of the LED light bar. It will be appreciated that the timing pump 710 is an air pump when the fluid is air and a water pump when the fluid is liquid.

Referring to fig. 9, the active heat dissipation fluid chamber 300 is connected to a refrigerator 720 and/or a heat exchange device 730.

It is understood that PCB printed circuit board 200 may be a flexible or rigid LED printed circuit board.

Preferably, the fluid in the active heat dissipation fluid chamber 300 is a gas or a liquid. In particular, cryogenic gases and liquids may be used, allowing more efficient heat removal. In order to reduce the cost, the gas can be directly air, and the liquid can be directly water.

Referring to fig. 9, the active heat dissipation fluid chamber 300 is connected to a refrigerator 720 and/or a heat exchange device 730. It can be understood that the refrigerator 720 is disposed at the inlet end of the active heat dissipation fluid cavity 310, and the refrigerator 720 is disposed to directly reduce the temperature of the fluid flowing into the active heat dissipation fluid cavity 310, so as to improve the heat dissipation effect, and at the same time, the temperature of the LED light bar can be controlled by controlling the refrigerator 720. Heat exchange device 730 is typically disposed at an outlet end of active heat sink fluid chamber 310 to facilitate the reuse of the temperature carried by the fluid by heat exchange device 730.

Preferably, when the fluid is a gas, the gas can be directly taken from the air. When the fluid is liquid, the circulation tank 740 can be arranged according to the requirement, namely, the circulation tank 740, the speed regulating pump 710, the active heat dissipation fluid cavity 310 and the circulation tank 740 form a circulation.

To sum up, the utility model provides a pair of waterproof LED lamp strip of initiative heat dissipation guarantees sealing capacity through sealed glue to dispose initiative heat dissipation fluid cavity in insulation support, the heat of LED lamp pearl is conducted initiative heat dissipation fluid cavity through PCB printed circuit board and sealed glue, is taken away the heat by the fluid of initiative heat dissipation fluid cavity, thereby has improved the heat-sinking capability of waterproof LED lamp strip, can effectively reduce the temperature of LED lamp strip, provides the basis for the power that improves LED lamp strip. Wholly adopted flexible material, can make things convenient for LED lamp strip crooked.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and although the present invention has been disclosed with reference to the preferred embodiment, it is not intended to limit the present invention, and any person skilled in the art can make modifications or changes to equivalent embodiments with equivalent changes when using the technical contents disclosed above without departing from the technical scope of the present invention, and any simple modifications, equivalent changes and modifications made to the above embodiments by the technical matters of the present invention are all within the scope of the technical solution of the present invention.

Claims

1. The utility model provides a waterproof LED lamp strip of initiative heat dissipation which characterized in that includes:

LED lamp beads;

the LED lamp bead is connected to the PCB;

the active heat dissipation fluid cavity is arranged on the PCB back to one side of the LED lamp bead and an insulating sleeve, the LED lamp bead, the PCB and the active heat dissipation fluid cavity are arranged in the insulating sleeve, and the LED lamp bead and the PCB form a seal and are isolated from the active heat dissipation fluid cavity.

2. The active heat dissipation waterproof LED lamp strip of claim 1, wherein the LED lamp bead and the PCB are embedded in the body of the insulating sleeve to form a seal, and the inner hole of the insulating sleeve forms the active heat dissipation fluid cavity.

3. The active heat dissipation waterproof LED lamp strip of claim 1, wherein the active heat dissipation fluid cavity is formed by a flow guide pipe, the insulating sleeve is filled with an insulating sealant, and the insulating sealant wraps the LED lamp bead and the PCB to form a seal.

4. The active heat dissipation waterproof LED light bar of claim 3, wherein the insulating sleeve is fully or partially transparent, and the insulating sealant is fully or partially transparent.

5. The active heat dissipation waterproof LED light bar of claim 3, wherein two ends of the flow guide tube extend out of the insulation sleeve.

6. The active heat dissipation waterproof LED light bar of claim 1, wherein the active heat dissipation fluid chamber is flat, wherein a flat surface faces the PCB.

7. The active heat dissipation waterproof LED light bar of claim 1, wherein a heat sink is disposed between the active heat dissipation fluid chamber and the PCB, one surface of the heat sink is attached to the PCB, and the other surface of the heat sink is attached to the active heat dissipation fluid chamber.

8. The active heat dissipation waterproof LED light bar of claim 1, wherein a plurality of grooves are formed on a surface of the active heat dissipation fluid chamber facing the PCB, and heat dissipation fins are embedded in the grooves.

9. The active heat dissipation waterproof LED light bar of claim 1, wherein two ends of the active heat dissipation fluid chamber are respectively provided with an internal threaded connection portion.

10. The active heat dissipation waterproof LED light bar of claim 1, wherein a speed regulating pump is connected to the active heat dissipation fluid cavity.

11. The active heat dissipation waterproof LED light bar of claim 1, wherein a cooler and/or a heat exchange device is connected to the active heat dissipation fluid cavity.