WO2017020392A1

WO2017020392A1 - Led lamp radiator

Info

Publication number: WO2017020392A1
Application number: PCT/CN2015/088938
Authority: WO
Inventors: 林琼榕
Original assignee: 特能传热科技（中山）有限公司
Priority date: 2015-08-03
Filing date: 2015-09-06
Publication date: 2017-02-09
Also published as: CN105066078A; CN105066078B

Abstract

An LED lamp radiator comprises a base (10) for mounting a light source (70). Multiple heat conducting pieces (20) are disposed on the base (10). The heat conducting pieces (20) are in a U shape. Two U-shaped arms (21) of each heat conducting piece (20) are each provided with a radiating fin (30). The multiple heat conducting pieces (20) are arranged at intervals into a column, so that the radiating fins (30) on the two U-shaped arms of the heat conducting pieces (20) are also arranged at intervals to form two columns of radiating fin sets (300). Meanwhile, the two columns of radiating fin sets (300) are each provided with a fixing device (40) for keeping the distance between two adjacent radiating fins (30) unchanged. The structure can enable heat to be better radiated from the radiating fins (30) of the two columns of the radiating fin sets (300) to the external environment, so that the radiating performance of the radiator is greatly improved.

Description

LED light radiator

Technical field

The invention relates to a heat sink, in particular to an LED light radiator.

Background technique

As we all know, LED lights generate a lot of heat when working, in order to make the heat generated by the LED lights can be quickly dissipated, the general LED lights will be equipped with a radiator, the current radiators generally use the following structure: including one For mounting the base of the LED light source, a plurality of heat sinks are connected to the base through a plurality of heat conducting members. When the LED light source works, the heat generated can be transmitted to the susceptor. The susceptor can quickly transfer heat to the plurality of heat sinks through a plurality of heat conducting members, and finally the heat can be quickly transferred to the outside through the surface of the heat sink.

Although the above-mentioned heat sink can also function as a heat sink and a temperature drop, since the heat sink of the heat sink is connected to the base through the heat conductive member, in some cases, if the heat conductive member is deformed, multiple blocks are caused. The heat sinks are close to each other, and even a plurality of heat sinks are closely attached to each other, which not only affects the flow of air through the surface of the heat sink, but also seriously reduces the heat dissipation area of the heat sink, thereby seriously affecting the heat dissipation performance of the heat sink, so that the heat sink is The heat dissipation performance is unstable.

Summary of the invention

In order to solve the above problems, it is an object of the present invention to provide a heat sink which is simple in structure and which does not have the heat sinks close to each other or are in close contact with each other.

The technical solution adopted by the present invention to solve the technical problem thereof is:

An LED lamp heat sink includes a base for mounting a light source, the base is provided with a plurality of heat conducting members, the heat conducting member has a U shape and the two U-shaped arms of the heat conducting member respectively A heat sink is disposed, and the plurality of heat conducting members are arranged in a row and the heat sinks on the two U-shaped arms of the heat conducting members are also arranged in two rows of heat sink groups, and the two rows of heat sink groups are respectively disposed with A fixing device that maintains a constant spacing between adjacent fins.

As an improvement of the above technical solution, the fixing device is a long screw, and each of the heat radiating fins is provided with a threaded hole which can be used in cooperation with the long screw.

As a further improvement of the above technical solution, the fixing device is a long rod member capable of passing through a plurality of fins, and the long rod member is sleeved with a plurality of two fins respectively located between adjacent fins. In the spacer, the two ends of the spacer can respectively abut against the adjacent heat sink, and the heat sink is provided with a through hole through which the elongated rod can pass.

In the present invention, the base is also fixedly coupled with a fixing frame surrounding the outer periphery of the plurality of fins, and the fixing device is fixed on the fixing frame.

Preferably, a handle is also hinged on the fixing frame.

Further, at least one superconducting heat pipe capable of simultaneously contacting a plurality of heat conducting members is disposed on the base, and the super heat conducting tube is also in contact with the base at the same time.

Still further, the length direction of the superconducting heat pipe is the same as the direction in which the plurality of heat conducting members are arranged in a row.

In the present invention, the superconducting heat pipe is disposed on a side of the heat conducting member facing away from the base.

Preferably, two superconducting tubes are disposed on the base.

The invention has the beneficial effects that the heat sink of the present invention is arranged in a row by disposing a plurality of heat conducting members and arranging the heat sinks on the two U-shaped arms of the plurality of heat conducting members into two rows of heat sink groups, and fixing at the same time The device respectively locks the spacing between two adjacent heat sinks on the two rows of heat sink groups, so that adjacent heat sinks do not close or close together, ensuring that the spacing between adjacent heat sinks is not fixed. Therefore, heat can be better dissipated from the heat sinks of the two rows of fins to the external environment, thereby greatly improving the heat dissipation performance of the heat sink of the present invention.

DRAWINGS

The present invention will be further described in detail below in conjunction with the drawings and specific embodiments.

1 is a schematic view showing the appearance of a preferred embodiment of the present invention;

2 is a schematic view showing another appearance of a preferred embodiment of the present invention;

Figure 3 is an enlarged schematic view of a portion A in Figure 1;

4 is a schematic structural view of a preferred embodiment of the present invention after removing a fixing frame;

Figure 5 is a schematic view showing the assembly structure of a heat conducting member and a heat sink according to a preferred embodiment of the present invention;

6 is a schematic exploded view showing the assembly structure of a heat conducting member and a heat sink according to a preferred embodiment of the present invention;

Figure 7 is a schematic view showing the assembled structure of a plurality of heat conducting members mounted on a base in a preferred embodiment of the present invention.

detailed description

1 to 6, an LED lamp heat sink includes a base 10 for mounting a light source 70. The base 10 is provided with a plurality of heat conducting members 20, and the heat conducting member 20 has a U shape. A heat sink 30 is disposed on each of the two U-shaped arms 21 of the heat conducting member 20. In the present invention, in order to enable the heat generated by the light source 70 to be better transferred from the base 10 to the heat sink 30, Preferably, the heat conducting member 20 is a super heat conducting tube, and heat can be transferred from the base 10 to the heat sink 30 more efficiently by using a super heat conducting tube to improve heat dissipation performance of the heat sink of the present invention; The heat dissipation sheets 30 on the two U-shaped arms 21 of the heat conducting members 20 are also arranged in two rows of heat sinks 300, and the two rows of heat sink groups 300 are respectively provided with a holding phase. The fixing device 40 has a fixed distance between the adjacent two fins 30.

Since the heat sink of the present invention is arranged in a row by the plurality of heat conducting members 20 and the heat sinks 30 on the two U-shaped arms 21 of the plurality of heat conducting members 20 are respectively arranged in two rows of heat sink groups 300, the fixing device 40 is used at the same time. The spacing between the adjacent two heat sinks 30 on the two rows of fins 300 is locked, so that the adjacent fins 30 are not close to each other or close together, ensuring the relationship between the adjacent fins 30. The pitch is fixed, so that the heat can be better dissipated from the heat sink 30 of the two rows of heat sink groups 300 to the external environment, thereby greatly improving the heat dissipation performance of the heat sink of the present invention.

In order to facilitate the manufacture of the heat sink of the present invention, in the present invention, the fixing device 40 is a long screw, and each of the heat sinks 30 is provided with a threaded hole which can be used with the long screw, so that the mounting is performed. When the fixing device 40 is fixed, only the long screw is screwed into the threaded hole on each of the fins 30, and the fins 30 are located at different positions on the long screw, and the external thread on the outer surface of the long screw and the heat sink 30 are passed. The internal threads in the threaded holes cooperate to ensure that the position of the fins 30 on the long screws is fixed, so that the spacing between the adjacent fins 30 is fixed.

Of course, the above-mentioned fixing device 40 can also adopt the following structure: the fixing device 40 is a long rod member capable of passing through a plurality of fins 30, and the long rod members are sleeved with a plurality of adjacently located adjacent to each other. The spacer 41 between the two fins 30, the two ends of the spacer 41 can respectively abut the adjacent fins 30, and the fins 30 are opened to allow the strip to pass through. Through hole. When the two ends of the spacer 41 are respectively abutted against the adjacent fins 30, the adjacent fins 30 can also be prevented from approaching or adhering to each other, thereby ensuring the spacing between the adjacent fins 30.

Further, in order to reduce the force of the heat sink 30 and prevent the foreign object from colliding with the heat sink 30, in the present invention, the base 10 is also fixedly coupled with a fixing frame 50 surrounding the outer periphery of the plurality of heat sinks 30. The fixing device 40 is fixed to the fixing frame 50.

Further, in order to facilitate the movement of the heat sink of the present invention, preferably, the fixing frame 50 is also hinged with a handle 60, by which the user can conveniently lift the heat sink of the present invention, which can be easily The heat sink of the present invention is moved.

Referring to FIG. 7, in order to allow heat on the susceptor 10 to be better transmitted to the plurality of heat conductive members 20, here, as a preferred embodiment of the present invention, at least one of the susceptors 10 is provided at the same time. The superconducting heat pipe 80 in contact with the plurality of heat conducting members 20 is also in contact with the susceptor 10 at the same time. Further preferably, the length direction of the superconducting heat pipe 80 is aligned with the plurality of heat conducting members 20 in a row. The same direction. Since the present invention transmits the heat on the base 10 to the plurality of heat conductive members 20 by providing at least one superconducting heat pipe 80 simultaneously contacting the plurality of heat conducting members 20 on the base 10, the superconducting The heat pipe 80 can also simultaneously transfer heat from the susceptor 10 to the plurality of heat conducting members 20, greatly increasing the speed at which heat is transferred from the susceptor 10 to the plurality of heat conducting members 20, so that heat can be quickly passed through the plurality of heat conducting members 20 The ground is distributed to the external environment, which greatly improves the heat dissipation performance of the heat sink of the present invention.

In order to facilitate the fixed mounting of the plurality of heat conducting members 20 on the base 10, the superconducting heat pipe 80 is preferably disposed on a side of the heat conducting member 20 facing away from the base 10. When mounting, the plurality of heat conducting members 20 may be first installed. Mounted on the base 10, and then mounted on the base 10 in a direction parallel to the plurality of heat conducting members 20 arranged in a row, at this time, the superconducting heat pipe 80 will have a plurality of heat conducting members 20 is pressed against the base 10; of course, the superconducting heat pipe 80 can be first mounted on the base 10, and then the plurality of heat conducting members 20 are mounted on the base 10, but at this time, the plurality of heat conducting members described above The superconducting heat pipe 80 is pressed against the base 10. Still further, in order to increase the speed at which the superconducting heat pipe 80 transfers heat, in the present invention, the base 10 is provided with two superconducting tubes 80.

The above is only a preferred embodiment of the present invention, and any technical solution that achieves the object of the present invention by substantially the same means is within the scope of the present invention.

Claims

An LED lamp heat sink includes a base (10) for mounting a light source, and the base (10) is provided with a plurality of heat conducting members (20), characterized in that: the heat conducting member (20) The U-shaped outer shape of the heat-conducting member (20) is respectively provided with a heat sink (30), and the plurality of heat-conducting members (20) are arranged in a row and the heat-conducting members (20) are arranged. The heat sinks (30) on the two U-shaped arms (21) are also arranged in two rows of heat sink groups, and the two heat sink groups are respectively disposed between the two heat sinks (30) adjacent to each other. The fixing device (40) with a fixed pitch.
The LED lamp heat sink according to claim 1, wherein the fixing device (40) is a long screw, and each of the heat sinks (30) is provided with a long screw. Threaded holes.
The LED lamp heat sink according to claim 1, wherein the fixing device (40) is a long rod member capable of passing through a plurality of fins (30), and the long rod member is sleeved. a plurality of spacers (41) respectively disposed between two adjacent fins (30), wherein both ends of the spacers (41) can respectively abut against the adjacent fins (30), The heat sink (30) is provided with a through hole through which the elongated rod member can pass.
The LED lamp heat sink according to claim 1 or 2 or 3, wherein the base (10) is also fixedly coupled with a fixing frame (50) surrounding the outer periphery of the plurality of fins (30). The fixing device (40) is fixed on the fixing frame (50).
The LED lamp heat sink according to claim 4, wherein a handle (60) is also hinged on the fixing frame (50).
The LED lamp heat sink according to claim 1, wherein the base (10) is further provided with at least one superconducting heat pipe (80) capable of simultaneously contacting a plurality of heat conducting members (20). The superconducting heat pipe (80) is also in contact with the base (10) at the same time.
The LED lamp heat sink according to claim 6, characterized in that the length direction of the superconducting heat pipe (80) is the same as the direction in which the plurality of heat conducting members (20) are arranged in a row.
A LED lamp heat sink according to claim 6 or 7, wherein the superconducting heat pipe (80) is disposed on a side of the heat conducting member (20) facing away from the base (10).
A LED lamp heat sink according to claim 6 or 7, characterized in that the base (10) is provided with two superconducting tubes (80).