TWI399509B - Light-guiding module and led lamp using the same - Google Patents

Description

Light guiding module and light emitting diode lamp using the same

The invention relates to a lighting device, in particular to a light guiding module and a light emitting diode lamp using the light guiding module.

As a new generation of light source, the light-emitting diode light source can not replace the traditional incandescent lamp on a large scale. However, it has the advantages of long working life, energy saving and environmental protection, and is generally favored by the market. Moreover, the module composed of the light-emitting diode can generate a high-power, high-brightness light source, which can completely replace the existing incandescent lamp to achieve indoor and outdoor illumination, and will also widely and revolutionarily replace the existing light source such as the traditional incandescent lamp. And become the main light source in line with the theme of energy conservation and environmental protection.

As the related product technology of the light-emitting diode has been continuously developed and matured, the light-emitting diode lamp is widely used in the life as a new environmentally-friendly and energy-saving next-generation light source product. At present, the high-power light-emitting diode lamps commonly used in order to achieve a good illumination effect generally use a specially designed overall light guide plate or reflector to change the beam emission direction. However, in actual use, due to the different shapes of the lamps, the number or spacing of the LEDs, it is often necessary to redesign and open the mold to manufacture the light guide plate, with the continuous promotion and production of the LED lamps. Increasing, so repeated Design and production will result in significant waste of costs, energy and materials.

In view of this, it is necessary to provide a light guiding module capable of being applied to different lighting fixtures and a light emitting diode lamp using the same.

A light guiding module is mounted on the light emitting module and guides the light emitting component on the light emitting module, and the light guiding module comprises a fixing frame mounted on the light emitting module and corresponding to the light emitting component a plurality of light guiding units mounted on the fixing frame, wherein the fixing frame is provided with a plurality of through holes corresponding to the light emitting elements, and the light guiding units are respectively inserted into the through holes in a corresponding manner and are correspondingly arranged Light-emitting element.

A light-emitting diode lamp includes a heat sink, a plurality of light-emitting diode modules mounted on the upper surface of the heat sink, and a plurality of light-guiding modules correspondingly mounted on the light-emitting diode module, the light-guiding module includes a fixing frame and a plurality of light guiding units disposed on the LED module, wherein the fixing frame is provided with a plurality of through holes corresponding to the LEDs on the LED module, and the guiding The light units are inserted into the through holes one by one and are sleeved with corresponding light emitting diodes.

The light guide unit of the above-mentioned independent design can be conveniently mounted and fixed to the light-emitting diode module as the light-emitting module through the mounting frame, so that the independent light-guiding unit can be composed of various types of light-guiding modules, thereby being applicable. To the lighting module of different lamps.

10‧‧‧ radiator

12‧‧‧Substrate

14‧‧‧ Heat sink

16‧‧‧ first binding board

18‧‧‧Second Installation Department

182‧‧‧Second junction board

184‧‧‧Connecting board

20‧‧‧Lighting diode module

22‧‧‧ Circuit board

24‧‧‧Lighting diode

30‧‧‧Light guide module

32‧‧‧ Fixing frame

320‧‧‧Installation board

322‧‧‧through hole

324‧‧‧ Positioning Folding

326‧‧‧Support film

328‧‧‧fixed column

3280‧‧‧Perforation

34‧‧‧Light guide unit

340‧‧‧

342‧‧‧ convex ring

1 is a perspective assembled view of a light-emitting diode lamp of the present invention.

2 is an exploded perspective view of the light-emitting diode lamp of FIG. 1.

3 is an inverted view of the light-emitting diode lamp of FIG. 2.

4 is an enlarged exploded view of the light guiding module of FIG. 2.

As shown in FIG. 1 to FIG. 3, the light-emitting diode lamp of the present invention is used for providing illumination for some specific occasions indoors and outdoors, and includes a heat sink 10 and a plurality of light-emitting modules mounted on the upper surface of the heat sink 10. For example, the LED module 20 and the plurality of light guiding modules 30 correspondingly mounted on the LED module 20 are provided.

The heat sink 10 described above is integrally formed of a material having good thermal conductivity. The heat sink 10 includes a rectangular substrate 12, a plurality of heat sinks 14 extending vertically downward from the lower surface of the substrate 12, and a plurality of mounting portions disposed on the substrate 12 and attached to the LED module 20. The fins 14 are equally spaced from each other and are parallel to the opposite long edges of the substrate 12. The mounting portion includes two first mounting portions adjacent to opposite sides of the substrate 12 and two second mounting portions 18 between the two and the first mounting portions. The first mounting portion is a first bonding plate 16 that extends obliquely from the top surface of the substrate 12 inwardly and upwardly. The second mounting portion 18 includes two second bonding plates 182 on the upper surface of the substrate 12 and two connecting plates 184 extending vertically upward from the top surface of the substrate 12 and respectively connected to the middle of the bottom surface of the second bonding plates 182. The two second bonding plates 182 and the substrate 12 enclose a triangular shape, and the two second bonding plates 182 face in opposite directions and form an acute angle with the substrate 12 at an oblique angle greater than that formed by the first bonding plate 16 and the substrate 12. The first and second bonding plates 16 and 182 and the connecting plate 184 are parallel to the opposite long sides of the heat sink 14 and the substrate 12 . The two first bonding board 16 , the second second bonding board 182 , and the connecting board 184 are parallel to the substrate 12 . The center lines of the opposite long sides are symmetrically distributed with each other. Thus, the light emitted by the LED module 20 attached to the bonding plates 16 and 182 can be uniformly radiated to both sides of the heat sink 10. It can be understood that, in other embodiments, a plurality of mounting portions are disposed between the first mounting portion and the second mounting portion 18, and the mounting portions each include a mounting board and a connecting board connecting the mounting board and the substrate 12. And the angle of inclination of the mounting plates relative to the top surface of the substrate 12 is between the first and second mounting plates 16, 182 and decreases from the middle to the sides of the substrate 12.

Each of the LED modules 20 includes a vertically long circuit board 22 and a plurality of LEDs 24 that are uniformly fixed to one side of the circuit board 22. The other side of the circuit board 22 is attached to the first and second bonding plates 16, 182 of the heat sink 10. The light-emitting diodes 24 are located on the same straight line extending along the length of the circuit board 22, so that the heat thereof is uniformly conducted to the heat sink 10.

As shown in FIG. 4 , the light guiding module 30 includes a fixing frame 32 and a plurality of light guiding units 34 mounted on the fixing frame 32 . The mounting bracket 32 has a longitudinally rectangular mounting plate 320. The mounting plate 320 defines a plurality of rectangular through holes 322. Each of the through holes 322 defines a light guiding unit 34 and corresponds to a light emitting diode 24. In different embodiments, the through holes 322 can be arranged corresponding to different LED modules 20 and arranged according to different needs. In this embodiment, the through holes 322 are arranged in two columns parallel to each other and each column is along The mounting plates 320 are arranged in the longitudinal direction and correspond to one of the LEDs 24 on one of the LED modules 20 . Two opposite longitudinal side edges of the mounting plate 320 extend vertically downward with a positioning flange 324, and two support pieces 326 extend vertically downwards adjacent to the two positioning flanges 324, respectively. The support piece 326 has a downwardly extending height that is smaller than the positioning flange 324. It is small and parallel to the positioning flange 324. When the light guiding module 30 is mounted on the corresponding LED module 20, the positioning flange 324 abuts on the first and second mounting plates 16, 182 of the heat sink 10 and abuts the light emitting diode The body module 20 has a longitudinal side of the circuit board 22, and the two support pieces 326 abut against the circuit board 22. Two mounting posts 328 extend perpendicularly downwardly from opposite ends of the mounting plate 320. The fixing posts 328 abut against the first and second bonding plates 16 and 182, and a through-mounting is provided in the fixing post 328. The through hole 3280 of the plate 320 is provided with screws (not shown) for screwing the first and second bonding plates 16 and 182 to fix the light guiding module 30 to the LED module 20.

The light guiding unit 34 includes a quadrangular prismatic cylinder wall 340 and a lower end opening formed on the upper and lower ends of the cylinder wall 340. The upper and lower end openings are rectangular in shape and the opening of the upper end opening is larger than the diameter of the lower end opening. The top periphery of the cylindrical wall 340 extends outward to form a rectangular convex ring 342. The inner side surface of the cylinder wall 340 is made of a light guiding material or coated with a light guiding material to reflect the light generated by the light emitting diode 24. The lower end opening is sized to be inserted into the corresponding light-emitting diode 24 on the circuit board 22. The upper end opening is slightly larger than the through hole 322 of the fixing frame 32. When the light guiding module is assembled, the light guiding unit 34 penetrates into the through hole 322 of the fixing frame 32 from above and below, so that the convex ring 342 of the peripheral edge of the light guiding unit 34 abuts against the fixing frame 32, thereby The light guiding unit 34 is fixed to the fixing frame 32 and the upper surface of the light guiding unit 34 is located directly above the corresponding through hole 322 of the fixing frame 32, and the lower end opening is sleeved with the corresponding light emitting diode 24.

When the light-emitting diodes are assembled, the circuit boards 22 of the LED modules 20 are respectively placed on the first and second bonding boards 16 corresponding to the substrate 12 of the heat sink 10 . And the mounting bracket 32 of the light guiding module 30 is correspondingly fixed to the corresponding circuit board 22 by screws, and each light guiding unit 34 on the fixing frame 32 corresponds to a light emitting diode 24 . When assembling, the light guiding unit 34 can be inserted into the through hole 322 of the fixing frame 32, and then the fixing frame 32 can be mounted on the LED module 20; or the fixing frame 32 can be fixed to the light emitting device first. The light-emitting diodes 34 of the light-emitting diode module 20 are inserted into the through holes 322 of the fixing frame 32 one by one.

The light guiding unit 34 is independently designed and fixed to the LED module 20 by a mounting bracket 32 corresponding to the single or multiple LED modules 20, so that the independent light guiding unit 34 can be composed of various components. The light guiding module of the model is applied to the lighting module of different lamps.

In summary, the present invention complies with the requirements of the invention patent and submits a patent application according to law. The above description is only the preferred embodiment of the present invention, and equivalent modifications or variations made by those skilled in the art will be included in the following claims.

10‧‧‧ radiator

12‧‧‧Substrate

14‧‧‧ Heat sink

30‧‧‧Light guide module

Claims (8)

A light guiding module is mounted on the light emitting module and guides the light emitting component on the light emitting module, and the light guiding module comprises a fixing frame mounted on the light emitting module and corresponding to the light emitting component The plurality of light guiding units are mounted on the fixing frame, wherein the fixing frame is provided with a plurality of through holes corresponding to the light emitting elements, and the light guiding units are inserted into the through holes one by one. And correspondingly illuminating the light-emitting unit, the light guiding unit comprises a light-guiding tube wall inserted in the through-hole of the fixing frame and extending outward from the top periphery of the wall of the light guiding tube and being clamped on the fixing frame to guide the light The unit is fixed by a convex ring. The light guiding module of claim 1, wherein the light guiding module has an upper and lower end opening, the upper end opening is located above the fixing frame through hole, and the light emitting elements are inserted into the lower end opening. The light guide module of claim 1, wherein the fixing frame comprises a mounting plate, the through holes are formed on the mounting plate, and the opposite sides of the mounting plate extend downwardly to the light emitting module. The positioning flanges on both sides extend downward from the mounting plate to the support piece on the top surface of the light-emitting module. The light guiding module of claim 3, wherein the positioning flange and the supporting piece are perpendicular to the mounting plate and parallel to each other. A light-emitting diode lamp includes a heat sink, a plurality of light-emitting diode modules mounted on an upper surface of the heat sink, and a plurality of light-guiding modules correspondingly mounted on the light-emitting diode module, the light-emitting diode mold The group includes a plurality of light-emitting diodes, and the light guiding module includes a fixed frame and a plurality of light guides attached to the light-emitting diode module a plurality of through holes corresponding to the light emitting diodes on the light emitting diode module are respectively disposed on the fixing frame, and the light guiding units are respectively inserted into the through holes and sleeved Corresponding light-emitting diode, the light guiding unit comprises a light guiding cylinder wall inserted in the through hole of the fixing frame and extending outward from the top periphery of the light guiding cylinder wall and being stuck on the fixing frame to guide the light guiding unit The fixed light guide module has an upper and lower end opening, and the lower end opening passes through the corresponding through hole to cover the corresponding light emitting diode, and the upper end opening card is placed on the fixed frame through hole. The illuminating diode lamp of claim 5, wherein the fixing frame comprises a mounting plate, the through holes are formed on the mounting plate, and the opposite sides of the mounting plate extend downwardly to the light emitting mode. The two sides of the group are positioned against the positioning flange of the upper surface of the heat sink, and the mounting plate extends downwardly from the folded edge of the two sides to support the supporting piece on the top surface of the light emitting module. The light-emitting diode lamp of claim 5, wherein the heat sink comprises a substrate, a plurality of bonding plates for mounting the light-emitting diode module formed on the substrate, and extending downward from the bottom surface of the substrate. The plurality of heat sinks are inclined at an acute angle to the substrate, and the tilt angle is increased from the opposite sides of the substrate toward the middle. The illuminating diode lamp of claim 7, wherein the bonding plates closest to opposite sides of the substrate extend directly upward from the top surface of the substrate, and the other bonding plates extend upward from the top surface of the substrate. The connecting board is fixedly connected to the substrate, and the bonding board and the connecting board are symmetrically arranged with respect to the center line of the substrate.