WO2012146518A1 - Lampe sur pied - Google Patents

Lampe sur pied Download PDF

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Publication number
WO2012146518A1
WO2012146518A1 PCT/EP2012/057080 EP2012057080W WO2012146518A1 WO 2012146518 A1 WO2012146518 A1 WO 2012146518A1 EP 2012057080 W EP2012057080 W EP 2012057080W WO 2012146518 A1 WO2012146518 A1 WO 2012146518A1
Authority
WO
WIPO (PCT)
Prior art keywords
light
floor lamp
indirect
lamp according
direct
Prior art date
Application number
PCT/EP2012/057080
Other languages
German (de)
English (en)
Inventor
Hartmut S. Engel
Original Assignee
Engel Hartmut S
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Engel Hartmut S filed Critical Engel Hartmut S
Publication of WO2012146518A1 publication Critical patent/WO2012146518A1/fr

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S6/00—Lighting devices intended to be free-standing
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S8/00—Lighting devices intended for fixed installation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V21/00—Supporting, suspending, or attaching arrangements for lighting devices; Hand grips
    • F21V21/14—Adjustable mountings
    • F21V21/30—Pivoted housings or frames

Definitions

  • the invention relates to a floor lamp, in particular for work tables, with a rectangular housing, in particular rectangular flat housing for receiving a plurality of preferably located in a plane bulbs and a at least substantially horizontal, room-side direct light surface forming, held in the housing scattered light surface in the form of a micro- Prismatik Formation or a satin or opal surface and a connected to the outer circumference of the housing, a stand having support member which is connected to an Indirect light element, wherein the light emitted from the indirect light surface light is directed against the ceiling and the Indirect light member associated light output multiple is the direct light power provided for a standard workstation lighting.
  • Known standing lamps as they are mainly used to illuminate work surfaces, are usually associated with the disadvantage that the uniformity of the lighting of the work surface leaves something to be desired and working light and surrounding room light are not or poorly matched.
  • a floor lamp of the type mentioned is known from US 5,567,043 A.
  • a flat housing provided with a luminaire is provided, which has a room-side direct light surface and is connected via an angled secondary support part to a main support with pedestal.
  • the floor lamp has an indirect light element at the end of the support part and at a distance from the direct light element. beamed light is directed against the ceiling.
  • the light output assigned to the indirect light element is higher than the light output of the direct light element and is a multiple of the direct light power provided for standard workstation lighting.
  • the direct light element is height-adjustable relative to the shell-shaped indirect light element on the carrier part.
  • End attached direct light element has a substantially parallel to the table surface Lichtabstrahl St.
  • another light element which is equipped with a halogen lamp, hinged and pivoted at one end, so that the light generated by the halogen lamp can be directed in all directions, which allows the rotation and pivotal mounting.
  • a floor lamp which consists of two mutually parallel and spaced-mounted on the base support parts, at the free ends of an indirect light unit, which radiates to the ceiling, is mounted.
  • This indirect light unit is designed in the form of a rectangular flat housing.
  • the object of the invention is to design a floor lamp of the type specified at the outset in such a way that an optimized illumination of the respective working surface can be ensured with simultaneous harmonious adaptation of the ambient light.
  • the indirect light element is pivotally connected to the upper end portion of the support member in height of the flat housing, and encloses the Lichtabstrahl Structure Indirektlichtelements with the direct light surface an adjustable obtuse angle, and that the indirect light element with high-power light sources , in particular high-power LEDs, and equipped with a cooling unit at the rear.
  • each work surface By combining fixed direct light with swiveling indirect light of significantly higher light intensity, it is possible to apply to each work surface to be illuminated both direct light and indirect light reflected from the light-diffusing ceiling, in such a way that the indirect light makes up a substantial portion of the Represents total light on the work surface and thus ensure both light components on the work surface the desired optimized illumination of this work surface. Furthermore, the proportion of the indirect light which impinges not only on the work surface but radiates into the room, in particular via further reflections, contributes to a general brightening of the room, that is to say to the room. The overall space is subjectively lighter, which means that the requirements for the adaptability of the human eye are reduced due to lower brightness differences.
  • the indirect light element is preferably equipped with high-power lighting devices, in particular high-power LEDs, the heat occurring being dissipated via a compact cooling unit provided at the rear can be, in such a way that thereby the direct light generating unit is in no way interfered with.
  • the direct light generation in the preferably flat and rectangular executed housing is preferably carried out by means of a plurality of areal distributed on a corresponding support element arranged LED's, each of which only generate a little waste heat and in its entirety usually a power consumption of less than about
  • a pivotable Indirektlichtelement equipped with high-line LED's have a power consumption of about 100 watts, while compared to Indirektlichtelement a multiple of Lichtabstrahl phenomenon having direct light element in conjunction with the LEDs used there has a power consumption of about 20 to 35 watts.
  • Direct light as well as indirect light is located, and the indirect light, which strikes the work surface via scattered light reflection at the respective ceiling, always makes a significant contribution to the illumination of the work surface due to the light output selected for the indirect light element.
  • the pivotability of the strong Indirect light component allows a corresponding optimization, in particular an adjustment of the division between working light and room light.
  • a separate power control is preferably provided for the direct light component and the indirect light component, the control of the indirect light Light in particular via sensors depending on the respective daylight, while the direct light is preferably manually adjustable or regulated.
  • the Indirektanderanteil ie the powerful portion is regulated depending on the daylight.
  • An embodiment of the invention is characterized in that the pivotable Indirektlichtelement is flat-shaped cuboid with back-mounted cooling fins and at least substantially the same width as the direct light associated flat housing, and that the length of the indirect light element is less than a quarter of the length of the flat housing , wherein the flat housing is in particular subdivided into a base part assigned to the lighting elements and a frame part associated with the direct light exit surface and between the base part and frame part an intermediate element designed as a transparent Lichtsammei- and guide profile to provide a light band with respect to the light exit surface spaced light band is provided.
  • the light band can also be used as a logo lazy use.
  • the light collecting and guiding profile consisting of transparent material comprises an inner light collecting area situated in the irradiation area of the illuminating means and an outer light emitting area ending or projecting, in particular, flush with the housing and / or frame parts.
  • the upper end portion of the support member is unwound and merges into two mutually parallel, horizontal support frame, between which the base part of the housing is formed, while the frame part of the housing with its light collecting and guiding profile to the lower support frame adjoins and a protruding edge of the lower support frame is formed as a reflector.
  • Trained as a hollow profile support member is preferably used to hold electronic components that are stacked in the carrier part stacked.
  • the lamp unit When supplied in the rule in the form of lamp unit, support member or stand tube and foot lamp, the lamp unit is preferably attached to the stand tube while a mechanical and electrical connection realized, which is conveniently still fixed by means of screws.
  • the direct light lamp and the pivotally mounted Indirektlichtin bearing tripod tube or support member is flush mounted and in particular center symmetrically connected to a plate-shaped foot, wherein in the region of the transition from the support part to the foot part on both sides of the foot part each a transport roller is rotatably mounted on the support member, the ground contact surface equal to Ground contact patch of the foot part or slightly above it.
  • the two transport rollers are summarized via a common axis to a screwed to the back of the support member unit.
  • FIG. 1 shows a schematic representation of a device according to the invention
  • Fig. 2 is an illustration of the head part of an embodiment of
  • FIG. 3 is a partial schematic illustration for explaining the internal structure of the direct light of FIG. 2,
  • Fig. 4 is a partial schematic view of the internal structure of a
  • Direct light lamp in the form of a further variant of the embodiment according to FIG. 2,
  • FIG. 5 is a partial perspective view of an embodiment of a lamp unit of the floor lamp according to the invention.
  • FIG. 6 is an overall perspective view of a floor lamp with the lamp unit of FIG. 5,
  • Fig. 7 is a partial schematic representation of a preferred embodiment of a foot portion of the floor lamp according to the invention.
  • FIG. 8 is a rear view of the foot part of FIG .. 7
  • Fig. 1 shows a marked with the general reference numeral 1 floor lamp with a rectangular flat housing 2 with a preferably consisting of a micro Prismatikmaterial direct light exit surface 3, said flat housing 2 is connected via an outer frame with the upper end of a stand 5 having support member 4.
  • an indirect light element 6 is provided with a light exit surface 7, which includes an obtuse angle with the direct light exit surface 3 and directed light against the respective light scattering ceiling 1 1.
  • Fluorescent lamps may in principle also be provided as fluorescent lamps in the flat housing 2, but LEDs are preferably used as illuminants, which are distributed in a multiplicity over a corresponding carrier surface and ensure a uniform luminance at the direct light exit surface 3. Since LEDs with comparatively low power can be used for direct light generation and the total power required for direct light generation is generally less than 50 watts when using LEDs and preferably in the range from 20 to 40 watts, there are no difficulties in connection with heat dissipation ,
  • high-power LEDs are preferably used as lighting means for the indirect light element of significantly smaller dimensions, and for this reason the indirect light element is provided on the back with a cooling block 12, so that the considerable heat generated can be dissipated. It is essential that the separation of direct light unit and indirect light unit, the heat dissipation of the powerful Indirektlichtelement 6 can be done without disturbing influence of the direct light unit.
  • Fig. 1 shows the floor lamp 1 in its relative position to a work table whose working surface 8 can be optimally illuminated by optimal steering of both light components, namely the direct light and the indirect light.
  • the scattered light coming from the powerful, pivotally mounted indirect light unit 6 contributes substantially to the total light available on the worktable surface 8.
  • the not incident on the work surface 8 part of the indirect light contributes as a room light advantageous to the overall room brightening.
  • a separate power control is preferably provided for the direct light component and the indirect light component in such a way that the regulation of the indirect light takes place via sensors 9 which preferably are provided on the flat housing 2 and detect the working surface 8 as a function of the respective daylight, while the direct light is operated manually in particular provided on the support frame 4 controller 10 can be set directly from the user of the floor lamp.
  • the direct light source designed as a rectangular flat housing 2 consists of a base part 13 intended for receiving the light source and a support part 14 holding the microprismatic direct light exit surface 3 and a light strip 16 arranged therebetween emphasizes the slimness of the lamp body and also gives this lamp body a characteristic appearance.
  • the indirect light element 6 is connected to the support member 4, which is equipped with powerful LEDs and is provided to dissipate the heat occurring during operation back with a cooling block 12. While in the illustrated embodiment, the width of the indirect light element 6 corresponds to the width of the large-area direct light element, its length is only a fraction of the direct light element.
  • FIG. 3 illustrates in an enlarged view the basic structure of a preferred embodiment of the direct light part of the floor lamp according to the invention.
  • the lighting means are provided in the form of a plurality of LEDs mounted on a support surface 5, and this base part 13 is provided with an integrated light collecting and guiding profile 15 with a covering and mounting frame 27 releasably connected, via a support profile part 28 which is connected via preferably transparent connecting elements 21 with the base member 13 extending support member 32.
  • the frame 27, which is preferably coupled to the support profile part 28 by means of snap-fit connections, carries the direct light exit surface 3, whose edge region is fixed by the support profile part 28, via an angled support leg 29 consisting of a micro-prismatic material and preferably covered by a film 26.
  • the connection of base part 13 and frame part 14 preferably takes place via so-called push / push units 23, which are provided in the base part 13 and are releasably connected to latching elements 34 of the frame part engaging in said base part.
  • the Lichtsammei- and guide profile 15 is composed of a formed by a light guide light collection area 17 and an adjoining scattered light element or diffuser, which acts as Lichtabstrahl Society 18.
  • the light collecting area 17 is designed to be in the incident area of the light coming from the bulbs 24, so that the absorbed light portion is guided within the total internal reflection light guide to the diffuser element 18, from which it is emitted to the outside as indirect light as a characteristic band of light appears in appearance.
  • FIG. 4 shows a further embodiment of a luminaire unit according to the invention, as already explained in connection with FIG. 3 with regard to the basic principle.
  • the lighting means are provided which consist here of a plurality of LEDs 24 distributed over a carrier surface 25.
  • the electronic components required for the operation of the lamp are housed in this base part.
  • the frame part 42 releasably connected to the base part 41 in turn comprises the prismatic surface 3 supported in a peripheral frame and the light collecting and guiding profile in the form of a preferably coextruded light collecting area 17 and a light emitting area 18 designed as a diffuser, this light collecting and guiding profile having a light collecting area circumferential carrier profile 32 is connected, which engages in the base part or base housing 41 and can be coupled or screwed with this.
  • the detachable connection between the base part and the frame part can basically take place in any desired manner, but also with the use of so-called push / push units, in which case for defined specification of the relative position of the base part and the frame part between the carrier profile part 32 and the housing bottom, a biasing element generating elastic element 47 may be provided.
  • the embodiment according to FIG. 4 differs from the embodiment according to FIG. 3 essentially by a modified embodiment of the diffuse material region 18 of the light collecting and guiding profile, which is coextruded with the light collecting region 17, which consists for example of clear plexi material.
  • the diffuser part 18 has a supporting and supporting leg 35 extending in the direction of the prismatic surface 3, the free end of which bears against the prismatic surface 3 and which has a circumferential latching groove 37 on the outside, which serves to receive detent spring elements 36 on the inside on a cover leg 27 of the cover and mounting frame are provided, which carries the prismatic surface 3 via the angled limb 29.
  • the cover and mounting frame can be attached together with the prismatic surface by a Aufschnappvorgang to the rotating support and support legs 35.
  • the prerequisite for this is that previously the Lichtsammei- and guide profile has been combined with the carrier profile housing part 32 into one unit.
  • a light collecting and guiding profile can also be designed such that the carrier profile part with an angled end into a corresponding one 3 engages an angled, likewise in a corresponding recess engaging end, so that a bolt-free overall connection is realized, wherein the recesses and engaging in this angled ends parallel to each other and parallel to the longitudinal extent of the light collecting area 17th are located.
  • Fig. 5 shows a further embodiment of the invention, in which the upper end portion of the support member 4 is angled and merges into two parallel, preferably substantially horizontal support frames 19, 20, between which the base part 13 of the housing, the
  • the characteristic light band 16 already explained with reference to FIG. 3 directly adjoins the lower support frame 20, whose surface facing the light band 16 is preferably designed as a reflector 21.
  • the indirect light element 6 with cooling block 20 is in turn pivotally mounted, so that a flexible Indirect light guide is possible.
  • the electronic components required for the floor lamp are accommodated in the carrier part 14 designed as a hollow profile, from which All necessary cables can be routed concealed to the light units.
  • Fig. 6 shows the already described with reference to FIG. 5 floor lamp in its entirety in conjunction with a chassis 22, which makes it possible to move the floor lamp like an office chair.
  • the two-armed chassis 22 with lockable rollers according to this embodiment can have a third roller assigned to the carrier part 4, but alternatively a slider can also be connected to the carrier part 4 instead of the third roller.
  • Fig. 7 shows a schematic partial side view of a connected to the stand or support member 4 plate-shaped foot part 43, which is provided with a plurality of sliders 44 on the underside.
  • the preferably screwed to the support member 4 foot part extends relative to the support member 4 in the same direction as provided at the upper end of the support member 4 lamp unit and preferably has the shape of an approximately rectangular plate with which the support member 4 connected flush and center symmetrical is.
  • the flat plate of the foot part is dimensioned in size so that a high stability of the lamp is ensured.
  • a pair of transport rollers 45 is provided on the outside in the region of the transition from the carrier part 4 to the foot part 43, one roller being mounted laterally adjacent to the carrier part 4, in such a way in that the ground contact surface of the transport rollers 45 is equal to or slightly above the ground contact surface of the foot part.
  • the transport rollers 24 While the floor lamp is supported in the normal state on the foot part 43, the transport rollers 24 then come into operation when the floor lamp slightly tilted and thereby is supported solely on the transport rollers. In this slightly tilted state, the floor lamp can easily be rolled to the respective place of installation and positioned precisely, the flat plate of the foot part 43 also finding space below roller containers and the like.
  • FIG. 8 shows a preferred embodiment in which the two carrying rollers 45 are combined via a common carrier axis to form a coupling unit 46, which can be screwed to the rear side of the carrier part 4 and, in the screwed state, the required relative positions of the contact surfaces of transport rollers 44 and foot 43 are guaranteed.

Abstract

L'invention concerne une lampe sur pied destinée en particulier à des tables de travail, laquelle comporte un boîtier plat (2) pour recevoir une pluralité de moyens d'éclairage constitués de préférence de DEL à surface lumineuse directe (3) ainsi qu'une partie de support (4) pourvue d'un pied (5) et reliée au boîtier plat. Cette lampe sur pied est caractérisée en ce qu'un élément lumineux indirect (6) dont la surface d'émission de lumière (7) forme avec la surface lumineuse directe (3) un angle obtus ajustable est relié de manière pivotante à la région terminale supérieure de la partie de support, en ce que la lumière émise par la surface lumineuse indirecte est orientée (11) vers le plafond du local et en ce que la puissance lumineuse associée à l'élément lumineux indirect est un multiple et au moins le double au triple de la puissance lumineuse directe destinée à un éclairage normal de poste de travail.
PCT/EP2012/057080 2011-04-28 2012-04-18 Lampe sur pied WO2012146518A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP11003501.1 2011-04-28
EP20110003501 EP2518387B1 (fr) 2011-04-28 2011-04-28 Feu de position

Publications (1)

Publication Number Publication Date
WO2012146518A1 true WO2012146518A1 (fr) 2012-11-01

Family

ID=44260121

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2012/057080 WO2012146518A1 (fr) 2011-04-28 2012-04-18 Lampe sur pied

Country Status (2)

Country Link
EP (1) EP2518387B1 (fr)
WO (1) WO2012146518A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102018104746A1 (de) * 2018-03-01 2019-09-05 Trilux Gmbh & Co. Kg Steh- oder Tischleuchte

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5567043A (en) 1995-11-14 1996-10-22 Lamps Plus, Inc. Torchiere lamp with vertically adjustable task light
DE29919055U1 (de) 1999-10-29 2000-02-03 Wila Leuchten Ag Indirekt und direkt abstrahlende Stehleuchte
JP2005183351A (ja) 2003-12-22 2005-07-07 Kenichi Furukawa デスクスタンド

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5567043A (en) 1995-11-14 1996-10-22 Lamps Plus, Inc. Torchiere lamp with vertically adjustable task light
DE29919055U1 (de) 1999-10-29 2000-02-03 Wila Leuchten Ag Indirekt und direkt abstrahlende Stehleuchte
JP2005183351A (ja) 2003-12-22 2005-07-07 Kenichi Furukawa デスクスタンド

Also Published As

Publication number Publication date
EP2518387B1 (fr) 2014-04-16
EP2518387A1 (fr) 2012-10-31

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