TW201441537A - LED light fixture - Google Patents

Abstract

The present invention provides an LED light fixture, which comprises a heat dissipation base, a first LED light, a second LED light and a reflection element. In which, the bottom of the heat dissipation base is provided with a mounting surface; the first and second LED lights are configured with an interval on the mounting surface; and, the reflection element is corresponded to the mounting surface, and includes has a far beam reflection surface and a near beam reflection surface. The far beam reflection surface and the near beam reflection surface are respectively corresponded to the second and the first LED lights, and both have different curvatures. The second and the first LED lights may respectively irradiate the far and near illumination ranges by the reflection of the far and near beam reflection surfaces.

Description

LED light device

The invention relates to an illumination condition of a vehicle lamp, in particular to an LED lamp device having a near and far illumination range and having a heat dissipation structure, and the invention can be switched without moving the position relationship between the lamp source and the reflection element. Far and near-light range.

In the dark and night environment of driving a vehicle, the ambient lighting provided by only the street lamps on both sides is still insufficient. Therefore, the lighting system installed on the vehicle needs to project the illumination range in front of the driving. Especially in the dark and unclear environment such as rural industrial roads or tunnels, it is necessary to pay attention to the lighting effect of vehicle lamps. Especially in the road environment of driving, it is necessary to appropriately switch the illumination range to near or far-light illumination to meet the road conditions and the speed of the vehicle.

In the past, the switching of the near and far-light range of the vehicle mainly consisted of manipulating the solenoid valve to drive the mask to change the reflection path of the light source through the reflector cup, and to adjust the requirements of the far and near-light illumination range, such as the Republic of China M444305, I383906 and other patents. number. Or by changing the position of the opposite reflector by moving the light source, or moving the position of the reflector relative to the light source, by changing the angle of incidence and then changing the angle of reflection to adjust the illumination range of the far and near light, such as the Republic of China M402245, New patent No. M337515.

The above-mentioned lamp is easy to overheat and affect the lighting effect of the lamp under continuous use, and the electromagnetic valve drives the mask to change the reflection path of the lamp source through the reflector cup, or moves the lamp source or the reflector to have a complicated structure and long-term repeated movement. There will be problems such as rapid structural wear and the like, and the positioning will be inaccurate after the movement, and the range of far and near illumination cannot be accurately provided.

In view of this, the inventor of the present invention has developed and designed a related product in order to improve the above-mentioned defects. After many experiments and tests, an LED lamp device has been produced, which has a good heat dissipation effect and is designed by using a non-mobile mechanism. The adjustment of the range of the near-lighting illumination overcomes the above-mentioned lack of use and becomes a practical LED lamp device.

The main object of the present invention is to provide an LED lamp device that provides a range of far and in-light illumination and has a heat dissipation structure.

Another main object of the present invention is to provide a design in which the light sources are all disposed on the same plane, so that the light source is disposed on the same plane of the heat dissipation structure, which helps to reduce the overall volume for convenient installation and obtain a good heat dissipation effect.

In order to achieve the above object and effect, the LED lamp device of the present invention comprises a heat sink, a first LED lamp, a second LED lamp and a reflective component, wherein: the heat sink has a mounting surface at the bottom; One or two LED lamps are spaced apart from the mounting surface; and the reflective component is opposite to the mounting surface, and the reflective component includes a remote light reflecting surface and a near light reflecting surface, and the far and near light reflecting surfaces respectively correspond to Second, an LED lamp, and the curvature of the far and near lamp reflecting surfaces are different, and the second and the LED lamps respectively project the far and near illumination range through the reflection of the far and near lamp reflecting surfaces.

The LED lamp device provided by the invention, wherein the mounting surface is a flat surface. The far-light reflecting surface is closer to the mounting surface than the near-light reflecting surface. The second LED lamp is reflected by the far-light reflecting surface to project a range of the high-light illumination, and the first LED lamp is reflected by the near-light reflecting surface to project a near-light illumination range. The heat sink is made of heat conductive material copper or aluminum.

The LED lamp device provided by the present invention further includes a lens disposed in the path of the illumination range of the remote lamp, and the lens adjusts the shape of the range of the illumination range of the high beam. The lens is a single convex lens, a lenticular lens or a Fresnel lens.

1‧‧‧ Heat sink

11‧‧‧Installation surface

2‧‧‧First LED light

3‧‧‧Second LED light

4‧‧‧reflecting elements

41‧‧‧Highlight reflector

42‧‧‧ Near-light reflection surface

5‧‧‧ lens

The first figure is a schematic diagram of the LED lamp device of the present invention.

The second figure is a schematic diagram of the near-light projection illumination of the present invention.

The third figure is a schematic diagram of the projection lamp illumination of the present invention.

The fourth figure is a schematic diagram of the simultaneous illumination of the near and far lights of the present invention.

The fifth figure is a schematic view of another embodiment of the present invention.

The following is a description of the preferred embodiment, and is not intended to limit the invention in any way. Referring to the first to third figures of the drawings, the LED lamp device of the present invention includes a heat sink 1 and a first LED. a lamp 2, a second LED lamp 3, and a reflective member 4, wherein: the heat sink 1 has a mounting surface 11 at the bottom thereof; the first and second LED lamps 2, 3 are spaced apart from the mounting surface 11; The reflective element 4 is opposite to the mounting surface 11, and the reflective element 4 includes a remote light reflecting surface 41 and a near-light reflecting surface 42 respectively corresponding to the second and the LED lamps 3 respectively. 2, and the far and near lamp reflecting surfaces 41, 42 have different curvatures, and the second and first LED lamps 3, 2 respectively reflect the far and near illumination range through the reflection of the far and near lamp reflecting surfaces 41, 42.

When the invention is used in illumination and is in a near-light state, as shown in the second figure of the figure, at this time, the first LED lamp 2 operates its light as a dotted line and an arrow, and the first LED lamp 2 passes through the near-light reflection surface 42. Reflecting and projecting a range of near-light illumination. When the present invention is in the far-light state, as shown in the third figure, the second LED lamp 3 projects light as a dotted line and an arrow, and the second LED lamp 3 is reflected by the high-light reflecting surface 41 to project a far-light. Lighting range. In the near or far lighting range, since the first and second LED lamps 2 and 3 are all arranged in the bottom mounting surface position of the heat sink 1, the heat generated by the operation of the first and second LED lamps 2 and 3 can be directly radiated. Block 1 conduction discharge, so can Reduce the operating temperature of the first and second LED lamps 2 and 3.

It can be understood from the above description that the present invention is used for the near-light illumination and the remote illumination by the projection beams of the first LED lamp 2 and the second LED lamp 3, respectively, and can be selected and used by the user according to the environment and individual needs, thereby controlling The illumination range of the near and high beam lamps is different from the distance between the lamp source, the reflector or the lampshade in the prior art, and the reflection angle of the lamp source after passing through the reflector cup by moving the mask through the solenoid valve, etc. By avoiding the moving member to control the near and far-light illumination, there is no problem that the conventional mobile structure has a complicated structure and a fast wear, and there is no such thing as a conventional technique that does not provide a proper illumination range after moving. In addition, the heat sink 1 can directly conduct the heat energy generated by the operation of the first and second LED lamps 2, 3, and reduce the operating temperatures of the first and second LED lamps 2, 3, thereby achieving the object and effect of the present invention.

Further, the LED lamp device provided by the present invention, wherein the mounting surface 11 of the heat sink 1 is a flat surface, and the first and second LED lamps 2, 3 are located on the mounting surface 11 of the flat surface, so the first and second LEDs The lamps 2 and 3 are on the same plane, so the combination of the first and second LED lamps 2, 3 and the structural design can be simplified, and the overall volume can be appropriately reduced for convenient installation, and a good heat dissipation effect can be obtained.

In the reflective element 4 of the present invention, the high-light reflecting surface 41 is closer to the mounting surface 11 than the near-light reflecting surface 42. The second LED lamp 3 is reflected by the high-beam reflection surface 41 to project a range of the high-light illumination, and the first LED lamp 2 is reflected by the near-light reflection surface 42 to project a near-light illumination range. In addition, the heat sink 1 is made of a heat conductive material of copper or aluminum.

Referring to the fourth figure, the first and second LED lamps 2, 3 are operated at the same time and are respectively reflected by the near and far-light reflecting surfaces 42 and 41 to project the near and far-light illumination ranges, so that the beam is in the far light. In the mode, the near-light is still near the instant lighting vehicle, and there is no loss of the near-lighting function in the state of the high-light illumination, which can be used to maintain the range of near and far-light illumination.

The LED lamp device provided by the present invention further includes a device disposed at the far side The lens 5 of the illumination range path is a second embodiment of the present invention and is shown in the fifth figure of the figure. The lens 5 has a light shape function for adjusting the illumination range of the high beam. The lens 5 of the present invention may be a single convex lens, a lenticular lens or a Fresnel lens, and the lens 5 is exemplified by a lenticular lens.

The above is only a preferred embodiment for explaining the present invention, and is not intended to limit the invention in any way, so that any modification or alteration of the present invention made in the same spirit of creation is For other types that can be implemented and have the same effect, they should still be included in the scope of the intention of the present invention.

In summary, the "LED lamp device" of the present invention is indeed in line with the development of the industry in terms of practicality and cost-effectiveness, and the disclosed structural creation is also an unprecedented innovative structure, so it has "novelty". It should be undoubtedly considered that the invention can be more effective than the conventional structure, and therefore has "progressiveness", which fully complies with the requirements of the application requirements of the invention patents of the Chinese Patent Law, and is filed according to law, and please The bureau will review it early and give it affirmation.

1‧‧‧ Heat sink

11‧‧‧Installation surface

2‧‧‧First LED light

3‧‧‧Second LED light

4‧‧‧reflecting elements

41‧‧‧ Near-light reflection surface

42‧‧‧Large light reflecting surface

Claims (7)

An LED lamp device includes a heat sink, a first LED lamp, a second LED lamp and a reflective component, wherein: the heat sink has a mounting surface at a bottom thereof; the first and second LED lights are spaced apart from the a mounting surface; and the reflective component is opposite to the mounting surface, and the reflective component includes a remote light reflecting surface and a near light reflecting surface, wherein the far and near light reflecting surfaces respectively correspond to the second and the LED lights, and the far The curvature of the near-light reflecting surface is different, and the second and the LED lamps respectively reflect the far and near illumination ranges through the reflection of the far and near-light reflecting surfaces. The LED lamp device of claim 1, wherein the mounting surface is a flat surface. The LED lamp device of claim 1 or 2, wherein the far-light reflecting surface is closer to the mounting surface than the near-light reflecting surface. The LED lamp device of claim 3, further comprising a lens disposed in the path of the illumination range of the remote lamp, and the lens adjusts the shape of the range of the illumination range of the high beam. The LED lamp device of claim 4, wherein the lens is a single convex lens, a lenticular lens or a Fresnel lens. The LED lamp device of claim 1, wherein the second LED lamp is reflected by the reflector surface of the high beam to project a range of the distance of the high beam, and the first LED lamp is reflected by the reflection surface of the lamp. Close to the range of lighting. The LED lamp device according to claim 1, wherein the heat dissipation seat is made of a heat conductive material of copper or aluminum.