DE202007009272U1 - Multifunctional LED lamp - Google Patents

Abstract

Multifunctional LED lamp, characterized by:
a lamp base (1) provided with a cooling member (11, 12) mounted on the outer surface while a chamber (10) is formed inside, and
a lighting device (3) carrying a plurality of LED lamps (30) mounted on a laminate (31) and installed inside the chamber (10) of the lamp base (1).

Description

BACKGROUND OF THE INVENTION

1. Field of the invention

The The present invention relates to a multifunctional LED lamp and in particular to one which is provided with a lamp base which has excellent thermal conductivities and is able to save energy and promote brightness.

2. Description of the Related Art

As adequately is known, have conventional Lighting equipment a tube or a pear and still have a number of disadvantages, to fix it. First, is an illumination efficiency not reach up to 100, wasting too much energy, causing et al also a financial burden arises. Second is the Life not very big, which causes high costs for the entertainment arise or a frequent replacement by a new one Setup is required. Third, heavy metals, such as mercury or lead, in the conventional lighting devices to use during her Making it possible is that ecological Contamination arises.

SUMMARY OF THE INVENTION

The Object of the present invention is a multifunctional To provide LED lamp. The main characteristics of the invention lie in a lamp base, a lighting device, a Light guide as well as a lampshade. The lamp base is integrally made of a good thermally conductive Material, which with a cooling element is provided, which is formed on the upper surface to the Heat massive derive while a chamber is formed inside. The lighting device is provided with a plurality of LEDs on the perimeter of a laminate (ALPCB or PCB) applied by tin soldering which are at a suitable place in the Chamber of the lamp base are located, with a thermally conductive medium here between is spread. The light guide device is transparent and located in a place where the lighting device the light is emitted. The lampshade has a shape that the Lamp base is adapted to cover the light guide device and the lighting device, and is positioned on the lamp base.

Accordingly is with the light guide device transmit the light of the LEDs, to promote the brightness, wherein the heat transfer medium the heat generated by the LEDs to the lamp base dissipates and distributed in the atmosphere, creating a good Way of cooling provided. About that In addition, with the benefits of low energy consumption, one long life and high illumination efficiency of the LEDs, In fact, the present invention saves energy able and the brightness promotes.

BRIEF DESCRIPTION OF THE DRAWINGS

The present invention to better understand with reference to the accompanying drawings. Showing:

1 an exploded perspective view of a first preferred embodiment of a multifunctional LED lamp according to the present invention;

2 a rear view of a lamp base of the first preferred embodiment of the multifunctional LED lamp according to the present invention;

3 a partial plan view of the first preferred embodiment of a multi-functional LED lamp according to the present invention, showing a first arrangement of a plurality of embodiments, which are mounted horizontally with each other;

4 a plan view of the first embodiment of a multi-functional LED lamp according to the present invention, showing a second arrangement for a plurality of embodiments, which are mounted vertically to each other;

5 a front view of the first embodiment of a multi-functional LED lamp according to the present invention, showing a plurality of embodiments, which are mounted vertically to each other;

6 a plan view of the first preferred embodiment of a multi-functional LED lamp according to the present invention, displaying a plurality of lighting devices that are installed;

7 a side view of the first preferred embodiment of a multifunctional LED lamp according to the present invention, with re-issuing a plurality of lamp bases, which are installed one above the other;

8th a perspective explosion View of a second preferred embodiment of a multifunctional LED lamp according to the present invention;

9 an exploded perspective view of a third preferred embodiment of a multi-functional LED lamp according to the present invention, showing a first manner of the combination;

10 an exploded perspective view of a third preferred embodiment of a multi-functional LED lamp according to the present invention, showing a second way of combining, and

11 an exploded perspective view of a third preferred embodiment of a multifunctional LED lamp according to the present invention, showing a third way of combining.

DETAILED DESCRIPTION THE PREFERRED EMBODIMENT

As shown in the 1 and 2 For example, a first preferred embodiment of a multifunctional LED lamp according to the present invention essentially comprises a lamp base 1 , a lighting device 3 , a light guide plate 500 , a reflector 510 , a diffusion layer 520 as well as a lampshade 6 ,

The lamp base 1 It consists of aluminum, an aluminum alloy, copper, copper alloy, gold, gold alloy, plastic, wood, ceramic, cardboard, graphite, carbon fibers, refractory glass, glass fibers, Teflon or Teflon, to which metals are added (such as graphite, aluminum, gold, copper, etc .) to form Teflon graphite, Teflon aluminum, Teflon copper having a good thermal conductivity property produced by injection, casting or extrusion in a substantially planar shape. The lamp base 1 is with a plurality of ribs 11 and cooling particles 12 provided, either integral or as independent components, which are then mounted around the outer surface and on the back for the purpose of massive heat dissipation. The lamp base 1 is also inside with a chamber 10 provided as well as a groove 13 formed on the rear side for receiving a printed circuit board with an IC chip and passive components (such as a rectification circuit chip).

The lighting device 3 is with a laminate 31 provided, which has a plurality of LEDs 30 carries with a different low / medium / high power, applied with the help of tin soldering. The laminate 31 may be a printed circuit board (PCB) or an aluminum PCB (ALPCB), which respectively in the chamber 10 the lamp base 1 is positioned over a coating with a thermally conductive medium, such as a thermal paste, a thermally conductive silicon rubber, a thermally conductive tape or a heat-conducting spacer. Similar to the lamp base 1 the laminate exists 31 also of aluminum, an aluminum alloy, copper, a copper alloy, gold, a gold alloy, cardboard, graphite, carbon fibers, heat-resistant glass, glass fibers, ceramics, Teflon, Teflon graphite or Teflon aluminum. Or the laminate 31 can be integrally made together with the lamp base 1 , The light guide plate 500 is a transparent layer whose underside is formed as an incident surface, which is located at a position where the illumination device 3 Emitted light, while the top, which is opposite to the incident surface, opaque and is held with a straight or arcuate reflection strip 540 , A light guide surface (a reflection surface) 510 placed on the inside of the light guide plate 500 is formed by injection, thermal pressing or pressing to be toothed, or distributed with a plurality of optical spots to form an optically-dotted surface 510 , which is additionally fastened with a reflector 530 , A light guide surface (an emitting surface) 520 , located on the outside of the light guide plate 500 is formed by injection or thermal pressing or pressing to form a toothing or by forming an optically dotted surface 510 , which is additionally fastened with a diffusion layer 530 ,

Adapted to the shape of the lamp base 1 is the lampshade 6 formed as a rectangle and provided to cover the illumination device 3 and the light guide plate 500 , positioned on the lamp base 1 ,

It should be noted that in the first embodiment, the reflector 530 and the diffusion layer 550 the light guide plate 500 used to guide the light coming from the LEDs 30 the lighting device 3 is radiated to increase the brightness. According to the brightness requirements, an additional prism layer 560 outside on the diffusion layer 550 be installed to promote the light transmission, or an optical layer or a colored layer consisting of PVC, PET or PMMA, which is installed on one side of the emitting surface of the lamp for adjusting the illumination brightness and the color of the illumination device 3 , Ribs 11 and the cooling particles 12 which on the outside and the back of the lamp base 1 are formed, are used to the cooling area for the lamp base 1 to increase. Due to the heat-conductive paste or the heat-conducting tape, the heat generated by the illumination of the LEDs 30 is generated, effective to the lamp base 1 be derived and released to the atmosphere.

The first embodiment of the present invention can be directly used as a single general light such as a table lamp or a wall lamp. Or it can, according to the presentation in 3 a plurality of individual luminaires are arranged horizontally to expand together the emitting surface for use as a ceiling lamp in a living room or an office or a classroom. It can also, as shown in the 4 and 5 a plurality of individual luminaires are vertically stacked to radiate light rays outwards in different directions for use as walkway lighting or as an art lamp.

In order to provide the first embodiment of the present invention with greater capabilities, the chamber 10 the lamp base 1 with more than two lighting devices 3 be provided to increase the brightness. On the other hand, there may be more than two lighting devices 3 from LEDs 30 with different wavelengths to obtain different emitting colors by means of an adjusting device, the device being suitable as an art decoration or aquarium lamp as shown in FIG 6 , On the other hand, like this 7 shows an embodiment are made with at least two groups of the lamp base 1 which are interconnected, with a gap between each two adjacent lamp bases 1 is provided to dissipate the heat. A fan or a thermally conductive tube can be placed between the lamp bases 1 be installed to further support the heat exchange. As experiments have shown, the lamp base is capable 1 with a surface area of 38,000 mm ^2, absorb a power input of 0 to 6 watts and release the corresponding energy; but if a blower 8th installed, the lamp base can 1 a power consumption up to 12 watts and their power release endure. If a fan 8th and a thermally conductive pipe are installed, the lamp base is capable 1 a power consumption up to 24 watts and the corresponding energy distribution record.

The 8th FIG. 11 is an exploded perspective view of a second preferred embodiment of a multifunctional LED lamp according to the present invention. FIG.

Considering the cost and the cost, the second preferred embodiment of a multifunctional LED lamp according to the present invention essentially consists of a lamp base 4 and the lighting device 3 together. If the brightness has to be adjusted according to a practical requirement, the diffusion layer and the prism layer are mounted accordingly. The lamp base 4 consists of a straight aluminum slide ne. The lighting device 3 is at the lamp base 1 attached via a bond with a thermally conductive silicone rubber 33 , The outside of the lighting device 3 carries at least one prism layer 562 , The lamp base 4 is attached to a glass part via a thermally conductive silicone rubber 33 so that the glass can quickly dissipate the heat, thus allowing the LEDs to operate with a higher current to promote brightness without overheating. Such a lamp can be used in a shop window because it can provide sufficient brightness without raising the temperature too much. Accordingly, it is possible to maintain a good quality of the representations in the shop window without the disadvantage that a large part of the space is occupied by a conventional lamp, which adversely affects the quality of the illustrated goods.

The 9 shows a third preferred embodiment of a multifunctional LED lamp according to the present invention as a main figure of this embodiment.

The lamp base 2 is also made of a material having an extremely good heat conducting property and is made by injection or casting or extrusion, having substantially the shape of a funnel. The lamp base 2 is with a general E27 bulb socket 9 provided in this embodiment, which is a multi-layer corrugated body 21 or ribs formed on the outer surface as a cooling element, which integrally with the lamp base 2 may be made or may be present as independent components, which then together with the lamp base 2 to be assembled. The multi-layered corrugated body 21 and the ribs may be integral with the lamp base 2 be manufactured or as independent components, which then together with the lamp base 2 to be assembled. The lamp base 2 is also with a chamber 20 provided, which is formed inside. The lighting device 3 is with a plurality of LEDs 30 provided around the perimeter of a laminate 31 are fixed via a Zinnverlötung. With the help of the heat-conducting medium, the lighting device 3 accordingly in the chamber 20 the lamp base 2 positioned. The laminate 31 Can be integral with the lamp base 2 and with a rectification switch chip 32 be provided as well as other passive components in the central area. A light pipe 501 is transparent and has an end which is positioned as an incidence surface at a location where the illumination device 3 Emitted light, while the other end, which is opposite to the incident surface, with a circumferential reflection strip 541 is provided. A light-guiding surface (reflection surface) 511 that lie on the inside of the light pipe 501 is prepared by injection or thermal pressing or printing to toothing, or may also be as an optically dotted surface 511 be formed, in addition, a cylindrically shaped reflector 531 is attached. A light-guiding surface (an emitting surface) 521 is on the outer surface of the light guide tube 501 formed and manufactured by injection or thermal pressing or printing to be formed serrated or by forming an optical dot surface for forming a flat surface 521 , wherein additionally a diffusion layer 551 is attached, which is also cylindrical. In adaptation to the shape of the lamp base 2 is a lampshade 7 provided the lighting device 3 and the light pipe 501 covering that on the lamp base 2 are positioned.

The lamp socket 9 according to the general E-series, which serves as a mains connection, can be replaced by a 2P1N socket or a direct connection device. The rectification circuit chip 32 is used to rectify the external connection (AC) into DC for the LEDs 30 the lighting device 3 to ensure that it shines. Through the reflector 531 and the diffusion layer 551 , respectively inside and outside the light guide tube 501 are installed, the light that is transmitted can be increased in brightness. In addition, for different brightness requirements, an additional prism layer 561 outside the diffusion layer 551 can be installed to promote the transmission of light, or an optical layer or a colored layer consisting of PVC, PET or PMMA, can be installed on one side of the emitting surface of the lamp to the illumination brightness and the color of the illumination device 3 accordingly adjust. The multi-layered shaft body 21 or the ribs that rest on the outer surface of the lamp base 2 are formed, are used to the cooling surface on the lamp base 2 to increase, so that the heat passing through the LED bulbs 30 is generated, dissipated quickly and distributed.

With the dotted surface 511 attached to the inner wall of the light guide tube 501 is formed, the flat surface 521 attached to the outer surface of the light guide tube 501 is formed, the reflection strip 541 which is on one side of the light guide tube 501 is installed, the reflector 531 which is inside the light guide tube 501 is installed, and the diffusion layer 551 and the prism layer 561 on the outside of the light guide tube 501 is installed, the light of the lighting device 3 transferred to promote their brightness while along the circumference of the light guide tube 501 shines. This is a brief description of the installation according to 9 , In 10 owns the light guide tube 501 an inner surface which is replaced by a flat surface (emitting surface) 521 while the outer surface as a dotted surface (reflection surface) 511 is trained. The circulating reflection strip 541 in 9 has been taken away. In contrast to 9 are the reflector 531 and the diffusion layer 551 each outside or inside the light guide tube 501 installed so that the light of the lighting device 3 can be focused to intensively one side of the light guide tube 501 to illuminate for different perimeters and conditions. In 11 is the light guide tube 501 a fixed column and the reflector 531 as well as the diffusion layer 551 have been taken away. The light guide tube 501 has on its inside bubbles or stripes or on the outside stickers are attached for decoration.

The Reasons, why the LEDs are selected as lighting device according to the present invention Invention will be explained below. First, an LED has one high lighting efficiency and low energy consumption. This means, the same brightness is needed LED has a power of about 1/2 to 1/10 of a conventional one Lamp, which saves much more energy compared to the usual Lamp. Second, an LED has a lifetime of up to 50,000 Hours, which effectively reduces costs compared with a conventional one Lamp. Third harms one LED the environment much less, because they are not toxic heavy metals contains such as lead and mercury, which are contained in conventional lamps and possibly the environment contaminate.

As described in the foregoing three embodiments, the lamp base, the light guide device and other components according to the present invention can be made in any size or shape, such as rectangular, as a rail or as a funnel, etc. With the light guide device and in an excellent manner thermally conductive lam On the basis of the pen base, the light of the LEDs can be transmitted in order to promote the brightness, while the heat generated by the LEDs can be dissipated quickly. With the lampshade, the lighting device and the light guide device, the arrangement can be decorated and protected. The combined features of the LEDs effectively allow the present invention to save a great deal of energy and promote brightness. Thus, the device can be used in different ways as a table lamp, as a ceiling light, as a car lamp, as a brake light, as a signal light, walkway lighting, as advertising lighting, as art lamp, as aquarium lights, etc.

• 1. Durch die verschiedenen Änderungen der Formen und Ausgestaltungen vermag die multifunktionale LED-Lampe gemäß der vorliegenden Erfindung den Platz einer herkömmlichen Lampe einzunehmen, so dass damit die Marktanforderungen erfüllt werden, die auch an eine herkömmliche Lampe gestellt werden.
• 2. Bei dem Vorteil des niedrigen Energieverbrauchs, der langen Lebensdauer sowie des hohen Beleuchtungswirkungsgrades der LEDs und der in einer ausgezeichneten Weise wärmeleitenden Lampenbasis ist die vorliegende Erfindung in der Lage, viel Energie einzusparen, die Kosten zu verringern und die Helligkeit in einem starken Ausmaß zu fördern.
• 3. Da eine LED kein Schwermetall enthält, wie etwa Blei und Quecksilber, wie sie in herkömmlichen Lampen enthalten sind, ist die Möglichkeit stark herabgesetzt, die Umwelt zu kontaminieren, so dass damit die vorliegende Erfindung ökologisch wesentlich harmloser ist.

The invention is characterized by the following advantages, as also apparent from the foregoing description.

• 1. Due to the various changes in shapes and configurations, the multifunctional LED lamp according to the present invention can take the place of a conventional lamp so as to meet the market demands made of a conventional lamp.
• 2. With the advantage of low power consumption, long life and high illumination efficiency of the LEDs and the excellent heat conducting lamp base, the present invention is able to save a lot of energy, reduce costs and greatly increase the brightness promote.
• 3. Since an LED does not contain heavy metal, such as lead and mercury, as contained in conventional lamps, the possibility of contaminating the environment is greatly reduced, so that the present invention is ecologically much less harmful.

In summary The multifunctional LED lamp essentially consists of one Lamp base, a lighting device, a light guide device and a lampshade together. The lighting device is provided with several LED lamps, which are placed on a laminate which is fixed to the lamp base via a thermally conductive medium, which is spread between them. The heat passing through the lighting device is generated, is derived by the lamp base. The light guide device is transparent and is placed where the lighting device emits the light to guide the light rays and to promote the brightness. The lampshade covers the light guide device and the illumination device from. Due to the features of low energy consumption, one long life and a high illumination efficiency for the LEDs and a good cooling element is the LED lamp indeed able to save energy and work highly efficiently.

It should be explicitly stated again at this point that it is in the embodiments described above only one such exemplary character and that various modifications and amendments possible are without departing from the scope of the invention.

Claims (14)

Multifunctional LED lamp, characterized by: a lamp base ( 1 ), which with a cooling element ( 11 . 12 ), which is applied to the outer surface, while a chamber ( 10 ) is formed inside, and a lighting device ( 3 ), which have a plurality of LED lamps ( 30 ), which on a laminate ( 31 ) and within the chamber ( 10 ) of the lamp base ( 1 ) are installed. Multifunctional LED lamp according to claim 1, characterized by: a light guiding device ( 500 ), which is transparent and corresponds in shape to the light-emitting surface, wherein the incident surface is located at a location at which the illumination device ( 3 ) Emits light, as well as a lampshade ( 6 ), the outside of the light guide device ( 500 ) and on the lamp base ( 1 ) is positioned. Multifunctional LED lamp according to claim 1, characterized in that the cooling element ( 11 . 12 ) integral with the lamp base ( 1 ) is trained. Multifunctional LED lamp according to claim 1, characterized in that the cooling element ( 11 . 12 ) is formed as an independent component, which at the lamp base ( 1 ) is mounted. Multifunctional LED lamp according to claim 2, characterized in that the light-cooling device ( 500 ) a reflector ( 530 . 531 ), which is located on the light cooling surface. Multifunctional LED lamp according to claim 2, characterized in that the lamp is provided with a diffusion layer ( 550 . 551 ), which is located at the emitting surface. Multifunctional LED lamp according to claim 2, characterized in that the lamp is provided with a prism layer ( 562 ) located at the emitting surface. Multifunctional LED lamp according to claim 2, characterized that the lamp with a thin optical layer is provided, which at the emitting surface located. Multifunctional LED lamp according to claim 2, characterized that the lamp is provided with a color layer, which is located at the emitting surface located. Multifunctional LED lamp according to claim 1, characterized that the lamp consists only of a lamp base, the lighting device, the diffusion layer and the prism layer. Multifunctional LED lamp according to claim 1, characterized that the lamp only from the lamp base of the lighting device and the diffusion layer is made. Multifunctional LED lamp according to claim 1, characterized that the lamp only from the lamp base, the lighting device and the prism layer exists. Multifunctional LED lamp according to claim 1, characterized that the lamp only from the lamp base, the lighting device and the thin one optical layer. Multifunctional LED lamp according to claim 1, characterized that the lamp only from the lamp base, the lighting device and the colored ones Layer exists.