CN214580885U - Heat conduction device and lamp bead - Google Patents

Abstract

The utility model discloses a heat conduction device and lamp pearl, wherein the heat conduction device includes the radiator, set up a plurality of cooling tubes that have hollow cavity in the radiator, the cooling tube both ends are seal structure, the pipe wall of hollow cavity in the cooling tube has a plurality of imbibition core structures, and the cooling tube intussuseption is used for the liquid of heat conduction. The utility model has the advantages that: adopt cooling tube and radiator homogeneous material integrated into one piece, the heat conduction is fast, and the radiating effect is good.

Description

Heat conduction device and lamp bead

Technical Field

The utility model relates to an auto-parts field, in particular to heat conduction device and lamp pearl.

Background

When the existing Light Emitting Diode (LED) is used as an automobile headlamp, the service life of illumination time is long, which can reach tens of thousands or even hundreds of thousands of hours, the brightness is high, the energy consumption is low, and the advantages are obvious; however, when the LED lamp is used as a light source of a car lamp, the LED lamp has a disadvantage of generating high heat, and if the heat dissipation treatment is not good, the light attenuation is easy, which may affect the service life of the car lamp. The existing LED automobile headlamp generally adopts a radiator, the appearance of the radiator is basically consistent, the structure and the installation mode are different, and the material is generally aluminum or copper. The structure adopting the heating pipe is also available, 2 heat pipes are respectively soldered on two sides of the lamp bead plate, and then the heat pipes and the radiator are soldered together by using tin, because the heat dissipation effect among different materials can be weakened, and the heat dissipation effect of the structure can be obviously weakened through 4 times of conversion (lamp bead plate-tin-heat pipe-tin-radiator) of different materials.

As a common fault of the LED automobile headlamp in the prior art, the LED automobile headlamp has poor heat dissipation performance, and particularly, the LED automobile headlamp in a narrow space is poor in heat dissipation treatment and easy to decay, so that the service life of the lamp is influenced. With the increasing requirements of users on the brightness, power and the like of the LED automobile headlamp, the high-performance large lamp can generate higher heat, which means that a higher-quality radiator structure is required to be matched with the high-performance large lamp, and the conventional radiator structure on the market cannot meet the requirements of the high-performance automobile headlamp.

The accessible is the heating pipe on the radiator, realizes reinforcing radiating effect, but, the structure of the current radiator heating pipe on the market needs the conversion of different materials many times, and radiating effect can be weakened.

SUMMERY OF THE UTILITY MODEL

For overcoming prior art's defect, the utility model provides a novel heat conduction structure is the integrative novel radiator of heat pipe and radiator, and with kind material integrated into one piece, need not add other media again and participate in the conduction, heat conduction is faster, and the radiating effect is better, processes out hollow cavity as the cooling tube on the radiator, uses the heat dissipation principle of heat pipe on LED car headlight's radiator. The technical scheme is as follows.

The utility model provides a novel heat conduction device, includes the radiator, set up a plurality of cooling tubes that have hollow cavity in the radiator, the cooling tube both ends are seal structure, the pipe wall of hollow cavity in the cooling tube has a plurality of wick structures, the cooling tube intussuseption is used for the liquid of conduction heat.

Furthermore, the radiating pipe is a vacuum structure with two closed ends.

Furthermore, the radiating pipe and the radiator are integrally formed by the same material.

The utility model provides a lamp pearl, the lamp pearl includes lamp pearl board, radiator and fan, the radiator is provided with one or more cooling tubes, lamp pearl board welding is on the surface of cooling tube, the tip and the fan of radiator are connected, and the heat that the lamp pearl produced is direct can be through outside radiator and the fan discharge lamp body, and heat transfer efficiency is better.

Further, the lamp bead further comprises a buckle for fixing the lamp bead.

Further, the lamp bead further comprises a tail cover used for fixing the fan.

The utility model has the advantages that: adopt cooling tube and radiator homogeneous material integrated into one piece, the heat conduction is fast, and the radiating effect is good.

Drawings

Fig. 1 is a schematic structural view of a first embodiment of the heat conduction device of the present invention.

Fig. 2 is a side view schematic of the structure of fig. 1.

Fig. 3 is a schematic view of the internal structure of fig. 1.

Fig. 4 is a schematic cross-sectional structure of fig. 1.

Fig. 5 is the utility model discloses a section structure schematic diagram of lamp pearl.

Fig. 6 is the utility model discloses explosion structure schematic diagram of lamp pearl.

Fig. 7 is the heat dissipation principle schematic diagram of the lamp pearl of the embodiment of the utility model.

Fig. 8 is a schematic cross-sectional view of a wick structure according to an embodiment of the present invention.

Fig. 9 is a partially enlarged schematic view of fig. 8.

Fig. 10 is a schematic structural view of a second embodiment of the heat conduction device according to the present invention.

Fig. 11 is a side view schematic of the structure of fig. 10.

Fig. 12 is a schematic structural view of a third embodiment of the heat conducting device of the present invention.

Fig. 13 is a schematic cross-sectional view of fig. 12.

Reference numbers in the figures:

the heat radiator comprises a heat radiator-1, a heat radiating pipe 2, a hollow cavity-21, a lamp bead plate mounting groove-22, a liquid absorption core structure-23, liquid-24, gas-25, a lamp bead plate-3, a buckle-4, a gasket-41, a fan-5, a lead-6 and a tail cover-7.

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 in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

As shown in fig. 1-4, a heat conduction device includes a heat sink 1, a plurality of heat dissipation pipes 2 having hollow cavities are disposed in the heat sink, two ends of each heat dissipation pipe 2 are sealed structures, a pipe wall of the hollow cavity 21 in each heat dissipation pipe has a plurality of wick structures, and the heat dissipation pipes are filled with a liquid for conducting heat.

The embodiment of the present invention provides an integrated circuit device, which is formed by integrally forming the heat dissipation tube 2 and the heat sink 1.

The embodiment of the utility model provides an in heat conduction device's processing method is, process out 1 or 2 hollow cavity as the heat pipe hole at the radiator when section bar adds man-hour and do sealed processing with radiator head cavity mouth, do sintering processing at the hollow cavity of radiator inside for form on the pipe wall and inhale liquid core structure (capillary structure promptly) and do sealed processing at the radiator afterbody to hollow cavity, after taking out the inside vacuum of becoming of hollow cavity before sealed, pour into liquid into again, form the utility model discloses a heat conduction device.

As in fig. 5-6, is the utility model discloses an application of structure provides a lamp pearl, like LED lamp pearl, the lamp pearl includes lamp pearl board 3, radiator 1 and fan 5, and radiator 1 is provided with one or more cooling tube 2, and the welding of lamp pearl board 3 is on the surface of cooling tube 2, and the tip and the fan 5 of radiator 1 are connected, and the heat that the lamp pearl produced directly can be through outside radiator and the fan discharge lamp body, and heat transfer efficiency is better.

The embodiment of the utility model provides an in, lamp pearl board 3 is LED lamp pearl board, and the lamp pearl has two kinds of specifications of single lamp pearl board and two lamp pearl boards.

The embodiment of the utility model provides an in, lamp pearl is still including buckle 4 that is used for fixed lamp pearl, and the packing ring 41 need be installed earlier when buckle 4 installs for installation lamp pearl makes it have sealed waterproof effect.

The embodiment of the utility model provides an in, lamp pearl is still including the tail-hood 7 that is used for fixed fan, and tail-hood 7 has a plurality of louvres that are used for the heat extraction, and the heat is discharged from the louvre.

The embodiment of the utility model provides an in, the lamp pearl still includes connecting wire 6, and connecting wire 6 is used for connecting lamp pearl board 3 and power (not given in the picture), and the power is the power in the car, for the lamp pearl power supply.

As shown in fig. 7, the principle of the present invention is: after the heat on the lamp bead plate passes through the hollow cavity in the radiating tube 21, the liquid in the hollow cavity is quickly evaporated into gas, a large amount of heat is taken away and is transmitted to the radiator 1 at the tail part, more heat is taken away by the fan on the radiator 1 in working, and the radiating effect is good.

As shown in fig. 8-9, in conjunction with fig. 7, the pipe wall inside the radiating pipe 21 is provided with a plurality of wick structures 23, which are capillary structures. As shown in fig. 8 a, wick structure 23 is a rugged shape, wherein the convex shape may be regular or irregular. The convex shaped spaces are configured to contain liquid 24 for heat dissipation, and liquid 24 need not be filled, but need only be present in an amount (e.g., an amount that covers wick structure 23) such that liquid 24 is heated and vaporized into gas 25 that enters hollow cavity 21. A large amount of heat is taken away to the radiator by the air, and then the heat is taken away by the fan in an air circulation mode.

As shown in fig. 1-4, the first embodiment of the present invention is a heat conduction device in this embodiment, which includes a heat sink 1, a heat dissipation tube 2 having a hollow cavity is disposed in the heat sink, and is connected with the heat sink as a whole, two ends of the heat dissipation tube 2 are sealed structures, the tube wall of the hollow cavity 21 in the heat dissipation tube has a plurality of wick structures, and the heat dissipation tube is filled with a liquid for conducting heat. Compared with the previous embodiment, the positions of the radiating pipes are different

As shown in fig. 10-11, which is another embodiment of the present invention, a heat conduction device in this embodiment includes a heat sink 1, a heat dissipation tube 2 having a hollow cavity is disposed in the heat sink, and is located on the left or right side, the other is a solid metal strip, two ends of the heat dissipation tube 2 are sealed structures, the tube wall of the hollow cavity 21 in the heat dissipation tube has a plurality of wick structures, and the heat dissipation tube is filled with a liquid for conducting heat. Compared with the previous embodiment, the size and the position of the radiating pipe are different.

As shown in fig. 12-13, the third embodiment of the present invention is a heat conduction device in this embodiment, which includes a heat sink 1, two heat dissipation pipes 2 with hollow cavities are disposed in the heat sink, and are located on the left and right sides, the two ends of each heat dissipation pipe 2 are sealed structures, the pipe wall of the hollow cavity 21 in each heat dissipation pipe has a plurality of wick structures, and the heat dissipation pipes are filled with liquid for conducting heat. The size, number and position of the radiating pipes are different compared with the previous embodiment.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides a heat conduction device, its characterized in that, includes the radiator, set up a plurality of cooling tubes that have hollow cavity in the radiator, the cooling tube both ends are seal structure, the pipe wall of hollow cavity in the cooling tube has a plurality of wick structures, and the cooling tube intussuseption is used for the liquid of conduction heat.

2. The heat conducting apparatus according to claim 1, wherein the heat pipe is a vacuum structure with two closed ends.

3. The heat conducting apparatus according to claim 1, wherein the heat pipe and the heat sink are integrally formed of the same material.

4. A lamp bead having a heat conducting device according to any one of claims 1-2, said lamp bead comprising a lamp bead plate, a heat sink and a fan, said heat sink being provided with one or more heat pipes, said lamp bead plate being welded to the surface of the heat conducting device, the end of said heat sink being connected to the fan.

5. The lamp bead of claim 4, further comprising a clasp for securing the lamp bead.

6. The lamp bead of claim 4, further comprising a tail cap for securing a fan.

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