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LED lamp having a cooling body

A technology of LED lamps and cooling bodies, applied in cooling/heating devices of lighting devices, semiconductor devices of light-emitting elements, lighting and heating equipment, etc., can solve problems such as the limitation of heat dissipation efficiency, achieve space-saving layout, improve heat conduction, and weight Achieved effect

Inactive Publication Date: 2012-08-15
TRIDONIC JENNERSDORF GMBH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Heat dissipation efficiency is limited in this cooling body

Method used

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  • LED lamp having a cooling body
  • LED lamp having a cooling body
  • LED lamp having a cooling body

Examples

Experimental program
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Effect test

Embodiment Construction

[0042] exist Figure 10 A schematic side view of an LED lamp L according to the invention is shown in . According to one exemplary embodiment, the LED lamp L has a heat sink K6 according to the invention. Different heat sinks K1 - K6 for LED lamps are described below, in particular according to different exemplary embodiments.

[0043] The LED lamp L can be constructed such that it is suitable for use in place of conventional incandescent or halogen lamps. That is, depending on its external appearance, it can basically have the shape of a conventional incandescent or halogen lamp and / or be equipped with a corresponding thread 40 or an E27 or E14 thread or a plug (not shown) for It is mechanically and electrically connected to the corresponding conventional socket. Therefore, this kind of lamp is also often called "replacement LED lamp".

[0044] More precisely, starting from the lampholder or plug, a power supply circuit ("driver circuit") T is supplied with a voltage whic...

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PUM

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Abstract

The invention relates to an LED lamp (L) comprising a luminous element having at least one LED and a cooling body (K1-K6), characterized in that: the cooling body (K1-K6) is designed such that a plurality of channels (1, 1', 1'', 1''') for evacuation of air heated by an operation of the luminous element are formed and pass through the cooling body, wherein the channels (1, 1', 1'', 1''') are arranged about an axis (A) in a ring shape and wherein the length of at least one channel (1, 1', 1'', 1''') is at least half of the shortest diagonal or transversal in the transverse extension of the corresponding one channel. The assembly and in particular the configuration of the channels (1, 1', 1'', 1''') according to the invention allows for a particularly effective heat evacuation to be achieved.

Description

technical field [0001] The invention relates to an LED lamp (LED: Light Emitting Diode) comprising a luminous means with at least one LED and a heat sink. Background technique [0002] In principle, heat is generated during operation of the LED lamp, in particular by the LED or LEDs themselves, but also by a power supply circuit for the LEDs ("driver circuit"). This heat is transferred at least partially from the mentioned components to surrounding components or to the surrounding air. In order to achieve the highest possible efficiency of the lamp, color stability and, if necessary, color temperature stability for white LEDs, as well as the longest possible service life of the LEDs, it is desirable to efficiently and economically dissipate heat from the extracted and other components (power supply circuit, LED chip), so that the temperature of the LED does not rise above a certain level. [0003] A heat sink for LED lamps is known from the prior art document WO 2006 / 11845...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F21V29/00F21K99/00
CPCF21V29/773F21V29/83F21K9/232F21Y2115/10F21K9/00
Inventor 伊斯特万·巴克
Owner TRIDONIC JENNERSDORF GMBH
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