CN201100539Y - Lighting device with multi-angle illumination - Google Patents

Abstract

The utility model discloses a lighting device with multi-angle illumination, which at least comprises a heat dissipation module, a substrate and a plurality of light emitting diodes; wherein the heat dissipation module is composed of at least a plurality of heat dissipation fins and has an end edge with a smooth curvature; the substrate is a heat conductor and is closely fitted on the end edge with a smooth curvature of the heat dissipation module; the light emitting diodes (LEDs) are arranged on the substrate in a flat or embedded manner, and the light emitting diodes placed on the substrate are respectively provided with different curvature angles, so that heat can be dissipated through the heat dissipation module, and the light emitting diodes with different curvature angles are used to project at different angles to diffuse the area of the light source.

Description

Lighting device with multi-angle illumination

technical field

The utility model relates to an illuminating device, in particular to an illuminating device with multiple light-emitting diodes arranged on a cooling module so that the light sources of the light-emitting diodes can radiate from different angles.

Background technique

The most commonly encountered light sources in daily life are old-fashioned light bulbs, quartz light bulbs, fluorescent light bulbs, and mercury lamps. After these lighting fixtures are installed and fixed, the direction and angle of the light projected by the light source are fixed, and cannot be projected from all angles. projection.

In addition, LEDs (Light Emitting Diodes) have the advantages of power saving, high luminous efficiency, and small size, and can be used as a light source for projecting light, and can be used as lighting fixtures when multiple lights are used as light sources. But at present, the application of LEDs is limited to indicator lights, or as decorative flashing lights, and mature technologies for projection lights and lighting lights have not yet been developed.

And general light-emitting diode lamps and lanterns, it is mainly provided with a cooling module, and this heat-dissipating module is provided with a lamp, and this lamp is provided with more than one light-emitting diode, and each of these light-emitting diodes is arranged vertically upwards, and because the light of light-emitting diode is along a straight line , so the radiation angle is small, and it is impossible to spread the light in a wider area in a wide-angle way, which is still unsatisfactory in use.

In view of the shortcomings of the above-mentioned known technology, the creator of the utility model began to seek improvement for the crux of the problem, to make up for the lack of it, in order to seek a reasonable solution. After numerous studies and designs, Finally, the lighting device with multi-angle illumination of the present utility model is completed.

Utility model content

The technical problem to be solved by the utility model is: to provide a lighting device with multi-angle irradiation, and to irradiate the area with diffused light sources.

Another technical problem to be solved by the utility model is to provide a lighting device with multi-angle illumination, which has a smooth curved end edge on the heat dissipation module, and a thermally conductive substrate is closely attached to the end edge, and LEDs are sequentially installed on the edge of the substrate to generate different irradiation angles.

The technical solution of the utility model is: a lighting device with multi-angle illumination, the lighting device includes: a heat dissipation module, which includes several heat dissipation fins, the heat dissipation module is recessed inward into a containing space, the The periphery of the accommodating space has a smooth curvature and extends inward; a base, which is closely attached to the periphery of the aforesaid accommodating space, is provided with several light-emitting diodes on the base, and the light-emitting diodes are different from the horizontal plane. Inclined angle; a circuit board, which is placed on the heat dissipation module, and the circuit board is electrically connected to the aforementioned light emitting diodes.

The utility model also proposes another lighting device with multi-angle illumination. The lighting device includes: a heat dissipation module, which includes several heat dissipation fins, and the end edge of the heat dissipation module has a smooth curvature and extends outward; The base, which is closely attached to the end edge of the heat dissipation module, is provided with several light-emitting diodes, and the light-emitting diodes are at different inclination angles from the horizontal plane; a circuit board, which is placed on the heat dissipation module, the The circuit board is electrically connected with the light emitting diodes.

The features and advantages of the utility model are: the utility model is provided with a heat dissipation module, which is composed of at least several heat dissipation fins, and the heat dissipation module can be directly punched or formed by interlocking the heat dissipation fins, and the heat dissipation module The heat dissipation module has an end edge with a smooth curvature, and a substrate is closely attached to the end edge. At least one light-emitting diode (LED) is arranged on the substrate. The diodes have different curvature angles from the horizontal plane. In this way, the heat dissipation module can be used to dissipate heat, and the light emitting diodes at different angles can project light at different angles to spread the area of the light source.

Description of drawings

Fig. 1 is a perspective view of the utility model.

Fig. 2 is a three-dimensional exploded schematic diagram of the utility model.

Fig. 3 is a schematic top view of the utility model.

Fig. 4 is a schematic cross-sectional view of the utility model.

Fig. 5 is a schematic cross-sectional perspective view of the utility model.

Fig. 6 is a schematic perspective view of another embodiment of the present invention.

Fig. 7 is a schematic diagram of another embodiment of the present invention.

Labeling description of main components:

10 heat dissipation module 16 fixing hole

11 heat dissipation fins 20 substrate

12 Accommodating space 21 Opening

13 channels 22 electrical circuits

14 Sleeve 30 LED

15 circuit boards

Detailed ways

Please refer to FIG. 1 and FIG. 2 , the utility model is a lighting device with multi-angle illumination, and the device at least includes a heat dissipation module 10 , a substrate 20 and a light emitting diode 30 .

Wherein, the heat dissipation module 10 is composed of several neatly arranged heat dissipation fins 11 (in this embodiment, it is a frame arranged in a circular ring shape), and the heat dissipation module 10 is formed by direct stamping or with heat dissipation fins 11 Interlocked together (since this is a known technology, not the focus of the present utility model, so it will not be described in detail), in addition, a concave accommodation space 12 is provided in the heat dissipation module 10, and the inner edge of the accommodation space 12 In order to smooth the curvature and extend inwards (in this embodiment, it is bowl-shaped), the heat dissipation module 10 is provided with a through channel 13 at the bottom of the accommodating space 12, the channel 13 communicates with the accommodating space 12, and the A sleeve 14 is provided in the channel 13, and the sleeve 14 is closely attached to the cooling fins 11, and a circuit board 15 is provided in the sleeve 14, so that the heat generated by the circuit board 15 is conducted to the heat sink through the sleeve 14. on module 10. The sleeve can be made of heat dissipating material.

Wherein, the substrate 20 has the same shape as the accommodating space 12 , and is closely attached to the periphery of the accommodating space 12 .

Wherein, the light emitting diodes 30 are placed flat or embedded on the bottom and the inner surface of the substrate 20, so that the light emitting diodes 30 present different angles from the horizontal plane.

Furthermore, the base plate 20 is provided with an opening 21 facing the channel 13, through which the electrical circuit 22 passes through the sleeve 14 and the circuit board 15 is electrically connected to control the light emitting diode 30 to start or close (such as Figure 4, Figure 5).

Please refer to Fig. 1, Fig. 3 and Fig. 5, start the light emitting diode 30 through the circuit board 15, so that the light emitting diode 30 at the bottom of the substrate 20 illuminates along a straight line, and the light emitting diode 30 at the edge of the substrate 20 then changes according to the position. Irradiate along a straight line, and because the angles of the light emitting diodes 30 are different, the projected range of the light emitting diodes 30 is enlarged to spread the area of the light source.

Please refer to FIG. 6 , which is another embodiment of the present invention. In the heat dissipation module 10, there is an accommodating space 12 concaved inward in the shape of a square. The periphery of the accommodating space 12 is smooth and curved. The light emitting diodes 30 are flatly attached or embedded on the bottom and the inner peripheral edge of the substrate 20, so that the light emitting diodes respectively have different angles from the horizontal plane. Furthermore, the heat dissipation module 10 is provided with a through channel 13 at the bottom of the accommodating space 12, the channel 13 communicates with the accommodating space 12, and a sleeve 14 is arranged in the channel 13, and the sleeve 14 is tightly attached to the A circuit board 15 is disposed on the heat dissipation fins 11 and the sleeve 14 , so that the heat generated by the circuit board 15 is conducted to the heat dissipation module 10 through the sleeve 14 .

Please refer to FIG. 7 , which is another embodiment of the present utility model. The heat dissipation module 10 (in this embodiment, an inverted bowl-shaped frame) is composed of several heat dissipation fins 11 arranged neatly, and The end edge of the heat dissipation module 10 is smoothly curved and extends outwards. A channel 13 is provided in the heat dissipation module 10. A sleeve 14 is arranged in the channel 13. The sleeve 14 is closely attached to the heat dissipation fins 11. And the sleeve 14 is provided with a circuit board 15 , so that the heat generated by the circuit board 15 is conducted to the heat dissipation module 10 through the sleeve 14 .

Furthermore, a thermally conductive substrate 20 is closely attached to the outer edge of the heat dissipation module 10 , and several LEDs 30 are placed flat or embedded on the substrate 20 , so that the LEDs 30 have different angles from the horizontal plane.

At least one fixing hole 16 is provided on the outer edge of the cooling module 10, through which the lighting device can be fixed on the wall or the ceiling.

Although the utility model has been disclosed with specific embodiments, it is not intended to limit the utility model. Any person skilled in the art can replace equivalent components without departing from the concept and scope of the utility model, or The equivalent changes and modifications made according to the scope of protection of the utility model patent should still fall within the category covered by this patent.

Claims (10)

1. one kind has the lighting device that multi-angle is shone, and it is characterized in that described lighting device includes:

One radiating module, it includes several fin, and this radiating module inwardly concaves an accommodation space, and the periphery of this accommodation space has level and smooth curvature and extends internally;

One pedestal, it fits tightly on the periphery of aforementioned accommodation space, and this pedestal is provided with several light emitting diodes, and this light emitting diode and horizontal plane are differing tilt angles respectively;

One circuit board, it is placed on the described radiating module, and this circuit board is electrically connected with aforementioned light emitting diode.

2. the lighting device with multi-angle irradiation as claimed in claim 1 is characterized in that described radiating module is made up of the radiating fin of mutual snapping.

3. the lighting device with multi-angle irradiation as claimed in claim 1 is characterized in that described radiating module is for directly being stamped to form.

4. one kind has the lighting device that multi-angle is shone, and it is characterized in that described lighting device includes:

One radiating module, it includes several fin, and the ora terminalis of this radiating module has level and smooth curvature and stretches out;

One pedestal, it fits tightly on the ora terminalis of radiating module, and this pedestal is provided with several light emitting diodes, and this light emitting diode and horizontal plane are differing tilt angles respectively;

One circuit board, it is placed on the described radiating module, and this circuit board is electrically connected with light emitting diode.

5. the lighting device with multi-angle irradiation as claimed in claim 4 is characterized in that described radiating module is made up of the radiating fin of mutual snapping.

6. the lighting device with multi-angle irradiation as claimed in claim 4 is characterized in that described radiating module is for directly being stamped to form.

7. as claim 1 or 4 described lighting devices with multi-angle irradiation, it is characterized in that, be provided with a passage in the described radiating module, be provided with sleeve in this passage, this sleeve is close on the described radiating fin.

8. the lighting device with multi-angle irradiation as claimed in claim 7 is characterized in that be provided with circuit board in the described sleeve, the heat that this circuit board produced conducts to radiating module by sleeve.

9. the lighting device with multi-angle irradiation as claimed in claim 8 is characterized in that this sleeve is made by heat sink material.

10. as claim 1 or 4 described lighting devices, it is characterized in that the outer ora terminalis of described radiating module is provided with at least one fixing hole with multi-angle irradiation.

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