DE202013100580U1 - Illuminant arrangement with optimized cooling - Google Patents

Abstract

Illuminant arrangement of lamps, wherein the outer profile of the lamp consists of at least one slender and preferably rod-shaped outer profile element (2), which occupies only a small part of the total surface of the lamp, characterized in that at least one light source (1) on one or more of the Outside profile of the light-forming outer profile elements (2) is arranged.

Description

Technical area

The present invention relates to a novel lighting arrangement of luminaires with optimized cooling, but especially not exclusively for LEDs, halogen bulbs and more.

State of the art

Conventional luminaires and luminaire profiles often have a linear or areally distributed arrangement of their illuminants, in part using the profile as housing and for cooling. In this connection, the publications are DE 20 2011 104 306 U1 . DE 20 2012 103 596 U1 . DE 20 2008 007 862 U1 . DE10 2009 060 434 A1 . EP 1 729 059 A2 . EP 1 659 337 A1 mentioned by way of example.

In lights of the aforementioned type, however, the profile does not constitute a structural and contour-forming element of the luminaire, to which further outer surfaces connect. Rather, they are constructions that are bolted, installed or used independently. The disadvantage here is that a cooling of the lamps - especially when using LEDs - not directly on the profile or the housing of the lamp takes place, but usually additional cooling elements, heat sink or the like suitable coolant to the light and / or to the Lamps must be arranged to ensure adequate cooling of the lamps. In addition, other structural and / or contour-forming elements exist in the known luminaires and luminaire profiles.

Presentation of the invention

The present invention is based on the object to provide a lighting arrangement, which has over the prior art known lamp arrangements optimized cooling and in the integration of the lamps or the bulb cooling in the geometry of the lamp or on the profiles forming the external structure (in one piece or divided), which together form the housing of the lamp, so that essentially no further structures for the static of the lamp and / or the cooling of the lamps are necessary. More specifically, the object of the present invention is thus to provide a lighting arrangement which provides the necessary cooling power through the supporting and geometric structure of the luminaire with respect to luminaire arrangements known from the prior art.

According to the invention the above object is achieved with the features of claim 1. Advantageous embodiments of the luminous means arrangement according to the invention are specified in the subclaims.

Thereafter, a lighting arrangement of the aforementioned type is characterized in that at least one light source is arranged on one or more outer profile of the light-forming outer profile elements. As the outer profile or outer profile element are below all the structural and contour-forming elements of a lamp understood to connect to any further outer surfaces more, which can therefore deliver heat directly to the environment of the lamp. The outer profile of the lamp according to the invention consists of at least one slender and preferably rod-shaped outer profile element (hereinafter referred to as profile), which occupies only a small part of the total surface of the lamp (<20%).

The advantage of the luminous means arrangement according to the invention is that the luminous means are cooled directly via the outer profile or the outer profile element of the luminaire. For this purpose, the outer profile or the outer profile element of the lamp should consist of a good heat transfer material according to the invention. Due to the optimal heat dissipation to the outer profiles or the outer profile elements, therefore, no additional cooling elements, heat sinks or the like suitable coolant to the light and / or to the bulbs are more necessary to ensure adequate cooling of the light source.

Brief description of the drawings

Other objects, features, advantages and applications of the lamp arrangement according to the invention will become apparent from the following description of an embodiment with reference to the drawing. All described and / or illustrated features, alone or in any combination form the subject matter of the invention, regardless of the summary in individual claims or their dependency.

In the drawings show

1a , b a distinction between the conventional illuminant arrangement ( 1a ) as well as the illuminant arrangement according to the invention ( 1b );

2 a schematic view of an LED on the profile of a lamp;

3 a schematic side view and a section of several arranged in a row LEDs on a profile;

4 a schematic view of a special profile;

5 a two-sided arrangement of LEDs on a profile;

6 a reflector assembly in which the LEDs emit in the direction of the pads;

7 the angular arrangement of the LEDs on a profile;

8th an optics integrated with the LEDs;

9 an embodiment of profile and pads in such a way that a gap between the components is formed;

10a , b, c a particular embodiment of the in 9 illustrated arrangement with spacers;

11a , b special embodiments of a lamp, which cause a better cooling performance;

12a , b, c different outer geometries of the profiles in modular design;

13 different profiles for luminaires with lateral surface;

14 different profiles for open luminaires;

15a , Federation 16 different arrangements and shapes of profiles.

Embodiment of the invention

The 1a and 1b illustrate the difference between the conventional lighting arrangement ( 1a ) as well as the illuminant arrangement according to the invention ( 1b ). How out 1b visible, are the bulbs (here LEDs) 1 According to the invention on an outer profile forming the light of several profiles 2 arranged.

2 shows a schematic view of an LED 1 on the outer profile of a lamp.

3 shows a schematic view of several arranged in a row LEDs 1 on a profile 2 , The total luminous power of the luminaire results in addition to the power of the individual LEDs 1 from the distance of the LEDs 1 to each other, the length and number of profiles used in the luminaire 2 , In special cases (spot), the line can become a point, ie only one LED 1 installed.

4 shows a schematic view of a special profile 2 , The profile 2 can be used for recording the pads 3 be divided into two. It must be on a good heat transfer between the inner profile 2 B and the outer profile 2a be respected, otherwise only a small amount of heat on the outer profile 2 B arrives.

5 shows a two-sided arrangement of LEDs 1 on the profile 2 a lamp.

A special design is the reflector arrangement, in which the LEDs 1 emit in the direction of the pads, as shown in 6 is shown.

Another special design is used when the direction of emission of the LEDs 1 normal to the profile 2 not suitable for the desired illumination. In this case, the LEDs can 1 at an angle to the profile 2 to be ordered ( 7 ).

In addition, an optic 9 integrated, which is the propagation of the light of the LED 1 changed (bundle or scatter, in horizontal and vertical direction; 8th ).

The cooling capacity of the profiles 2 can be increased by the fact that at connection surfaces with good thermal conductivity for good heat transfer between profile 2 and pad 3 is taken care of. The special case is the integration of the connection surface in the profile 2 ,

The cooling capacity of the profiles 2 can also be increased by the fact that at connection surfaces 3 with poor thermal conductivity, a gap 4 between profile 2 and pad 3 arises, through which the air flows (air flow 14 ), 9 , The gap 4 can be constructive by a spacer element 5b (preferably brackets) or a spacer 5a to be sure which / which on the edges of the pads 3 sits ( 10a , b, c).

At a distance profile (according to my name above distance profile 5a ) Of poor thermal conductivity material, it is also advantageous if the contact surfaces on the profile 2 are low.

The cooling performance can be further enhanced by the use of a material for the spacer element 5a be increased with good thermal conductivity. In this case, the contact surfaces should be on the profile 2 - for a good heat transfer - be as large as possible.

An increase in the cooling capacity can be further achieved by openings in the top of the luminaire 6 are provided, on which the warm air from the lamp emerge (thermals 15 ) ( 11a ) can and / or by integrating a fan 7 on the lamp ( 11b ).

The 12a , b, c show different external geometries of the profiles 2 in modular design. A module 16 consists essentially of the profile 2 (usually an extruded profile), the LED bulbs and the electrical contact of the bulbs 1 , The modules differ in principle by the size and by the angle in which the connection surfaces 3 to the Profile 2 stand, whether it is the standard configuration or one of the described special cases, whether there are LEDs on one profile side or on both profile sides and whether an optic is used.

In principle, a profile 2 be used for very different lights. The outer geometry of the luminaires is formed by the modules and the connection surfaces (see the 12a , b, c).

Like from the 13 - 16 It can be seen that the modules can be used to construct a product family of luminaires: using a number of modules in one luminaire (for luminaires with lateral surface ( 13 ), for open luminaires ( 14 ); about the arrangement and shape of the profiles 2 in longitudinal direction, straight or curved (in both directions transverse to the longitudinal axis of the profile ( 15 ); about the connection of the profiles 2 to the outer surfaces ( 16 ) and on the execution of the connection surfaces (transparent or translucent or opaque).

A feature of the product family is that optional - the lights are advantageously modular expandable - several types of lamps (eg LED and halogen bulbs) and arrangements of the bulbs (eg linear in the modules, ceiling washers, etc.) are possible. For example, the following lighting modules are possible in a floor lamp: LEDs on the inside and outside of the profiles 2 (Module), a series of halogen lamps inside the luminaire, an LED ceiling washer and a halogen ceiling washer.

The individual illuminant arrangements are preferably designed separately or can be switched in groups and optionally dimmed separately. By equipping the luminaires (combination of lighting modules), the luminaires can cover a wide range of lighting conditions, from low light intensity and warm light colors (dimmed halogen illuminants) to a bright illumination of the room (high LED output). It is also possible to choose between direct and indirect illumination or to combine them. The luminaire can be controlled directly (electrical contact) or via a remote control.

Optionally, a lighting control with lighting programs is provided. This can be carried out independently or integrated into an existing home control system. In a further embodiment, the control via a PC, tablet or smartphone is possible.

In a further non-illustrated embodiment of the invention linearly arranged LEDs are provided in preconfigured LED strips, in which a group of LEDs are combined with a series resistor and can be operated in this arrangement with a constant voltage. These LED stripes can be on the profiles 2 be applied. Usually, the LED strips are provided with an adhesive tape and can therefore be easily glued.

A simple and inexpensive design of linearly arranged LEDs are preconfigured LED strips, in which a group of LEDs are combined with a series resistor and can be operated in this arrangement with a constant voltage. These can then be on the profiles 2 be applied. Usually, the LED strips are provided with an adhesive tape and can therefore be easily glued. However, these LED strips have a disadvantage due to the concept. Approximately 20-25% of the energy is converted into heat in the resistor. In addition to the energy loss, this also leads to an additional heat development and thus to the need to provide more cooling power.

This can be avoided according to the invention by combining LEDs in line-shaped clusters, connected in series and / or in parallel, and operating them on a constant current source.

Within a luminaire, several of these units of LED cluster and constant current source are used. In the lamp in this embodiment, a number of slots available in which the required number of constant current sources can be plugged. This is similar in principle to the PCI bus system of computers, where also a number of slots is provided.

For the separate control of lamp arrangements, it may also be useful that several of these slot groups are present within a lamp.

The illuminant arrangement according to the invention is not limited in its execution to the preferred embodiments specified above. Rather, a variety of design variations are conceivable, which make use of the solution shown even with fundamentally different type of execution.

LIST OF REFERENCE NUMBERS

1

Lamp

2,2a, 2b

 profile

3

Pad / n

4

gap

5a

spacer

5b

Spacer / clamp

6

opening

7

Fan

8th

warmth

9

optics

10

inside

11

outside

12

possible construction floor

13

outer surface

14

airflow

15

thermals

16

module

QUOTES INCLUDE IN THE DESCRIPTION

This list of the documents listed by the applicant has been generated automatically and is included solely for the better information of the reader. The list is not part of the German patent or utility model application. The DPMA assumes no liability for any errors or omissions.

Cited patent literature

• DE 202011104306 U1 [0002]
• DE 202012103596 U1 [0002]
• DE 202008007862 U1 [0002]
• DE 102009060434 A1 [0002]
• EP 1729059 A2 [0002]
• EP 1659337 A1 [0002]

Claims (17)

Illuminant arrangement on lights, wherein the outer profile of the light from at least one slender and preferably rod-shaped outer profile element ( 2 ), which occupies only a small part of the total surface of the luminaire, characterized in that at least one light source ( 1 ) on one or more outer profile elements forming the outer profile of the luminaire ( 2 ) is arranged. Illuminant arrangement according to claim 1, characterized in that the at least one outer profile element ( 2 ) of the lamp consists of a good heat transfer material. Illuminant arrangement according to claim 2, characterized in that the arrangement is a reflector arrangement in which the lighting means ( 1 ) in the direction of the connection surfaces ( 3 ) emit, Illuminant arrangement according to claims 2 and 3, characterized in that the lighting means ( 1 ) at an angle to the profile ( 2 ) are arranged. Illuminant arrangement according to one of the preceding claims, characterized in that an optic is provided which controls the propagation of the light of the illuminants ( 1 ) changed. Illuminant arrangement according to one of the preceding claims, characterized in that a gap ( 4 ) between profile ( 2 ) and pad ( 3 ) is provided, can flow through the air, wherein the gap ( 4 ) preferably constructively by at least one spacer element ( 5b ), preferably a clamp, or at least one spacer element ( 5a ), preferably a profile, is ensured, which / which on the edges of the pads ( 3 ) is arranged. Illuminant arrangement according to one of the preceding claims, characterized in that at the top of the luminaire openings ( 6 ) are provided, at which the warm air can escape from the lamp and / or by integrating a fan ( 7 ) on the light. Illuminant arrangement according to one of the preceding claims, characterized in that a modular design is provided, wherein a module substantially from the profile ( 2 ), the bulbs ( 1 ) and the electrical contacting of the bulbs ( 1 ) consists. Illuminant arrangement according to claim 8, characterized in that a number of modules in a luminaire for luminaires with lateral surface ( 13 ) or for open luminaires ( 14 ) is provided. Illuminant arrangement according to claim 8, characterized in that an arrangement and shape of the profiles ( 2 ) in the longitudinal direction, straight or curved, (in both directions transverse to the profile longitudinal axis ( 15 ) as well as the connection of the profiles ( 2 ) to the outer surfaces ( 16 ) and on the execution of the connection surfaces, transparent or translucent or opaque. Illuminant arrangement according to one of the preceding claims, characterized in that the illuminant arrangements are made separately or switchable in groups and optionally dimmed separately and / or that can be selected between direct and indirect illumination or they can be combined with each other, the Lamp directly - electrical contact - or controlled by a remote control. Illuminant arrangement according to one of the preceding claims, characterized in that a lighting control is provided with light programs, which is independently executed or integrated into an existing home control. Illuminant arrangement according to one of the preceding claims, characterized in that the control takes place via a PC, tablet or smartphone. Illuminant arrangement according to one of the preceding claims, characterized in that preconfigured LED strips, in which a group of LEDs are combined with a series resistor and can be operated in this arrangement with a constant voltage, on the profiles ( 2 ) are applied. Illuminant arrangement according to one of the preceding claims, characterized in that LEDs in line-shaped clusters, connected in series and / or connected in parallel, and these are operated on a constant current source. Illuminant arrangement according to claim 15, characterized in that within a lamp more of these units of LED cluster and constant current source are used, wherein in the lamp, a number of slots is present, in which the required number of constant current sources can be plugged. Illuminant arrangement according to claim 16, characterized in that a plurality of these Slot groups are present within a light.

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