TWI392831B - Light emitting diode illumination device - Google Patents

Description

Light-emitting diode lighting device

The present invention relates to lighting technology, and more particularly to a light emitting diode lighting device.

The light-emitting diode has the advantages of low power consumption, shock resistance, fast response, and easy mass production, and has been gradually applied to indoor lighting. A prior light-emitting diode lighting technology considers the large heat generation of the light-emitting diode, and fixes the light-emitting diode to an aluminum heat-dissipating base to meet the heat-dissipating demand of the light-emitting diode, and at the same time, as a light-emitting The diode lighting unit and a plurality of LED lighting units of such a structure are assembled to form a light emitting diode lighting device for daily use. However, since the aluminum heat sink base is difficult to process into various shapes suitable for assembly and mounting, it is difficult to assemble and mount the light emitting diode lighting device.

In view of this, it is necessary to provide a light-emitting diode lighting device that is easy to assemble and install.

A light-emitting diode lighting device comprising a plurality of light-emitting diode lighting units and a plastic mounting base, each light-emitting diode lighting unit comprising a heat-dissipating base and a light-emitting diode fixed on the heat-dissipating base The plastic mounting seat is formed with at least one mounting slot, and each of the heat dissipation bases is screwed to the at least one mounting slot and fixed to the plastic mounting seat.

The LED lighting device mounts a plurality of LED lighting units on the plastic mounting seat by screwing a plurality of heat dissipating bases to the mounting groove, thereby achieving easy assembly. In addition, the plastic mount is easy to make Various shapes and sizes suitable for installation, the light-emitting diode lighting device is convenient to be installed in various places.

The invention will be further described in detail below with reference to the accompanying drawings.

Referring to FIG. 1 and FIG. 2 , the LED illumination device 100 of the first preferred embodiment of the present invention includes a plurality of LED illumination units 10 and a plastic mount 20 . Each of the LED lighting units 10 includes a light emitting diode 12, a circuit board 14, and a heat sink base 16. The LED 12 is electrically connected to the circuit board 14, and the circuit board 14 is fixed to the heat dissipation base 16. The plastic mounting base 20 is formed with two mutually parallel mounting slots 22, and each of the heat dissipation bases 16 is screwed to the two mounting slots 22 and fixed to the plastic mounting base 20.

The light-emitting diode 12 can be a high-power (1~3W) white light emitting diode, a red light emitting diode, a green light emitting diode or a blue light emitting diode. In this embodiment, a 3W white light emitting diode is used, and the lighting effect is good.

The circuit board 14 can be an aluminum-based circuit board and connected to an external power source (not shown) for driving and controlling the light-emitting diode 12 to emit light. Specifically, the circuit board 14 is provided with a substrate through hole 142. Thus, the circuit board 14 can be fixed to the heat dissipation base 16 by screws (not shown) through the substrate through holes 142.

The heat dissipation base 16 can adopt an aluminum heat dissipation base, and includes a heat conduction portion 162 and a heat dissipation fin portion 164 extending from the heat conduction portion 162. The circuit board 14 is disposed adjacent to the heat conducting portion 162 and can be provided with a heat conductive material, such as silicone rubber, between the circuit board 14 and the heat conducting portion 162. Thus, the thermal conductivity can be improved, and the heat generated by the light emitting diode 12 can be efficiently conducted to the heat radiating fin. Sheet portion 164, by heat sink fin portion 164 dissipates the heat. The fins 164 also extend from the side wings 166, and each of the side wings 166 is provided with two side wing through holes 168.

It will be appreciated that in other embodiments, a heat sink base 16 made of other materials may be employed. The shape of the heat dissipation base 16 can also adopt other designs that are advantageous for heat dissipation.

The plastic mount 20 is elongated. The two mounting grooves 22 are opened in parallel along the longitudinal direction of the elongated plastic mounting seat 20. In the present embodiment, the cross-sectional shape of each mounting groove 22 along the longitudinal direction perpendicular to the plastic mount 20 is a "ten" shape, as shown in FIG. When the plurality of LED lighting units 10 are mounted to the plastic mounting base 20, a hexagonal nut (not shown) is first placed in the mounting groove 22 from one end surface of the plastic mounting seat 20 and the hex nut can be mounted in the mounting slot 22 In the inner activity, the screw (not shown) is sequentially passed through the side wing through hole 168 and the corresponding hex nut, and the screw and the corresponding hex nut are tightly locked to fix the plurality of LED lighting units 10 On the plastic mount 20. Of course, the cross-sectional shape of the mounting groove 22 can also be other shapes, such as an inverted "T" shape. In this way, each of the LED lighting units 10 can be arbitrarily fixed on the plastic mount 20 by the mounting groove 22, so that the pitch between each of the LED lighting units 10 can be adjusted as needed.

Of course, the plastic mount 20 can also be made into other shapes suitable for installation, such as making a square frame (convenient to be mounted on a right angle corner) or a circular arc (convenient to be mounted on a circular arc corner).

In order to facilitate the mounting of the LED lighting device 100 to the wall surface, the LED lighting device 100 further includes a plurality of metal fixing sheets 30. Please join together Referring to FIG. 1, FIG. 2 and FIG. 4, two curling portions 32 are respectively formed at opposite ends of each of the metal fixing pieces 30. Each of the metal fixing pieces 30 is provided with a mounting through hole 34 between the two winding portions 32. Correspondingly, the bottom of the plastic mounting base 20 is formed with a receiving groove 24 corresponding to the mounting through hole 34, and two opposite sides of the bottom are respectively formed with two flanges 26 corresponding to the two rounded portions 32. When the LED illuminating device 100 is mounted on the wall surface, the plurality of metal fixing pieces 30 are first screwed to the wall surface through the mounting through hole 34 by screws, and then the plastic mounting seat 20 is a metal from the far side. The fixing piece 30 is inserted into the two rounded portions 32 of the metal fixing piece 30 by the two flanges 26 at the bottom, thereby mounting the light-emitting diode lighting device 100 to the wall surface.

It can be understood that the hex nut can be omitted. Referring to Fig. 5, a partial cross-sectional view of the illuminating diode illuminating device 100' according to the second preferred embodiment of the present invention. The light-emitting diode lighting device 100' of the present embodiment is different from the light-emitting diode lighting device 100 of the first embodiment in that each mounting groove 22' has a sectional shape perpendicular to the longitudinal direction of the plastic mounting seat 20'. In the shape of a "1" shape, the two opposite side walls 222 of each mounting groove 22' are correspondingly provided with internal threads 224, and the distance between the two side walls 222 is not greater than the aperture of each of the side wing through holes 168'. Therefore, the plurality of LED lighting units (see FIG. 1) can be fixed to the plastic mounting seat 20' by directly screwing through the side wing through holes 168' and the internal threads 224 of the two opposite side walls 222. on.

The light-emitting diode lighting device mounts the plurality of light-emitting diode lighting units on the plastic mounting seat by screwing the plurality of heat-dissipating bases to the mounting groove, thereby achieving easy assembly. In addition, the plastic mount is easy to make In a variety of shapes and sizes suitable for installation, the light-emitting diode lighting device can be easily installed in various places.

In summary, the present invention has indeed met the requirements of the invention patent, and has filed a patent application according to law. However, the above description is only a preferred embodiment of the present invention, and it is not possible to limit the scope of the patent application of the present invention. Equivalent modifications or variations made by persons skilled in the art in light of the spirit of the invention are intended to be included within the scope of the following claims.

100,100'‧‧‧Lighting diode lighting device

10‧‧‧Lighting diode lighting unit

20,20’‧‧‧Plastic mount

12‧‧‧Lighting diode

14‧‧‧ boards

16‧‧‧heating base

142‧‧‧Substrate through hole

162‧‧‧Transfer Department

164‧‧‧Firm fins

168,168'‧‧‧Flanking through holes

22,22’‧‧‧ installation slot

30‧‧‧Metal fixing piece

32‧‧‧Volume Department

34‧‧‧Installation through hole

24‧‧‧ accommodating slots

26‧‧‧Flange

222‧‧‧ side wall

224‧‧‧ internal thread

1 is a perspective view of a light-emitting diode lighting device according to a first preferred embodiment of the present invention.

FIG. 2 is a partial enlarged view of the light-emitting diode lighting device of FIG. 1. FIG.

Figure 3 is a partial cross-sectional view taken along line III-III of Figure 2;

4 is a perspective view of the metal fixing piece of the light-emitting diode lighting device of FIG. 2.

Figure 5 is a partial cross-sectional view showing a light-emitting diode lighting device in accordance with a second preferred embodiment of the present invention.

10‧‧‧Lighting diode lighting unit

20‧‧‧Plastic mount

12‧‧‧Lighting diode

14‧‧‧ boards

16‧‧‧heating base

142‧‧‧Substrate through hole

162‧‧‧Transfer Department

164‧‧‧Firm fins

168‧‧‧Flanking through holes

22‧‧‧Installation slot

30‧‧‧Metal fixing piece

24‧‧‧ accommodating slots

26‧‧‧Flange

Claims (8)

A light-emitting diode lighting device comprising a plurality of light-emitting diode lighting units, each light-emitting diode lighting unit comprising a heat-dissipating base and a light-emitting diode fixed on the heat-dissipating base, wherein the improvement is that The LED lighting device further includes a plastic mounting seat formed with at least one mounting slot, each of the heat dissipation bases being screwed to the at least one mounting slot and fixed to the plastic mounting seat, each of the lighting The diode lighting device further includes an aluminum-based circuit board between the light-emitting diode and the heat-dissipating base, the aluminum-based circuit board is used for controlling the light-emitting diode, and the heat-dissipating base comprises a heat conducting portion and a self-heating portion. The heat dissipating fin portion is located between the heat dissipating fin portion and the aluminum base circuit board, and the heat dissipating fin portion further extends from both side wings, and each side wing is provided with at least one side wing through hole. The illuminating diode illuminating device according to claim 1, wherein the illuminating diode is a white light emitting diode, a red light emitting diode, a green light emitting diode, and a blue light emitting diode. One kind. The light emitting diode lighting device of claim 1, wherein the heat sink base is an aluminum heat sink base. The illuminating diode illuminating device of claim 1, wherein two opposite side walls of the at least one mounting groove are correspondingly provided with internal threads, and the distance between the two side walls is not greater than the at least one side wing through hole The aperture. The illuminating diode lighting device of claim 1, wherein the plastic mounting seat is elongated, and the at least one mounting groove is opened along a length of the plastic mounting seat. The illuminating diode illuminating device of claim 5, wherein the number of the mounting slots is two, and the two mounting slots are parallel to each other. The cross-sectional shape of the mounting slots along the length perpendicular to the plastic mount is a "ten" shape. The illuminating diode illuminating device of claim 5, wherein the number of the mounting slots is two, and the two mounting slots are parallel to each other, and each mounting slot is perpendicular to the length of the plastic mount. The cross-sectional shape is "l" shaped. The illuminating diode illuminating device of claim 1, wherein the illuminating diode illuminating device further comprises a plurality of metal fixing pieces, and two opposite ends of each of the metal fixing pieces are respectively formed with two winding portions. Each metal fixing piece is provided with a mounting through hole between the two winding portions, a bottom of the plastic mounting seat is formed with a receiving groove corresponding to the mounting through hole, and opposite sides of the bottom of the plastic mounting seat are respectively formed Two flanges corresponding to the two rounded portions described above.