EP2644988A1 - Dispositif d'éclairage électrique avec une tête de lampe orientable sur plusieurs axes - Google Patents

Dispositif d'éclairage électrique avec une tête de lampe orientable sur plusieurs axes Download PDF

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Publication number
EP2644988A1
EP2644988A1 EP12405032.9A EP12405032A EP2644988A1 EP 2644988 A1 EP2644988 A1 EP 2644988A1 EP 12405032 A EP12405032 A EP 12405032A EP 2644988 A1 EP2644988 A1 EP 2644988A1
Authority
EP
European Patent Office
Prior art keywords
lever
axis
rotation
lighting device
boom
Prior art date
Legal status (The legal status 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 status listed.)
Withdrawn
Application number
EP12405032.9A
Other languages
German (de)
English (en)
Inventor
Otto Flach
Volker Knauff
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ansorg GmbH
Original Assignee
Ansorg GmbH
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 Ansorg GmbH filed Critical Ansorg GmbH
Priority to EP12405032.9A priority Critical patent/EP2644988A1/fr
Publication of EP2644988A1 publication Critical patent/EP2644988A1/fr
Withdrawn legal-status Critical Current

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Classifications

    • 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
    • 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
    • F21V21/26—Pivoted arms

Definitions

  • the present invention is concerned with an electric lighting device with a lamp head pivotable about several axes.
  • the lighting device is provided in particular for docking to a busbar provided on the ceiling or for installation in a ceiling recess.
  • Lighting device of the field of application are, for example in the DE 197 44 638 C2 and the DE 200 04 984 U1 disclosed.
  • the invention has for its object to provide the lighting device associated lamp head a large adjustment range and this with the least possible space.
  • Another object is to improve the temperature management of the lighting device, i. high light output with the lowest possible device costs for cooling.
  • the lighting device consists essentially of the round lamp head 1 and the multi-unit joint 2, which is mounted on the one hand on the lamp head 1 and on the other hand on a mounting kit 3 for mounting on a ceiling (s. FIG. 1 B) or a mounting kit 4 for mounting in a ceiling (s. FIG. 1C) ,
  • the joint 2 is in maximum swung out state.
  • the attachment set 3 is used for docking to a bus bar, not shown here, whereas the installation set 4 can be fixed in a ceiling recess also not shown here.
  • Further connection possibilities of the joint 2, not shown here for example on a wall holder or on a floor element, are likewise conceivable.
  • the first axis of rotation D1 and the second axis of rotation D2 extend in the horizontal direction.
  • the third axis of rotation D3 and the fourth axis of rotation D4 which also extend horizontally. All axes of rotation D1, D2, D3, D4 are spaced parallel to each other.
  • the joint 2 allows to pivot the lamp head 1 in a range of about 70 °, so that the Light exit surface of the lamp head 1 between a horizontal and an approximately vertical plane is adjustable.
  • the vertical axis V perpendicularly extending through the joint 2 allows the lamp head 1 to be rotated with the light exit surface in a horizontal circular path, preferably minimally beyond the full circle, so that no blind area remains. This is achieved by means of a conventional drag stop.
  • a complete lamp head 1 consists of the annular heat sink 10, which is insertable support disk 11 with the positioned thereon bulbs - preferably LED's -, which taken in the heat sink 10, the support plate 11 covering the reflector unit 12 and the reflector unit 12 covering the header 13.
  • the joint 2 consists essentially of the base 20, the first lever 21, the second lever 22, the boom 23 and the cover 8 together, which is fastened with the fixing element 9 on the boom 23 .
  • FIG. 3A shows at the heat sink 10 initially undesigned fixing in the form of screws, which come to be used only when mounting the lamp head 1 for holding the reflector unit 12, the attachment 13 and the base 20 of the joint 2 .
  • FIGS. 4A and 4B are identical to FIGS. 4A and 4B.
  • the plate-shaped base 20 has the upper side, from which approximately centrally two spaced-apart first bearing elements 201 extend.
  • the two first bearing elements 201 each have a bore through which the axis of rotation D1 extends.
  • two opposing second bearing elements 202 extend, each with a bore through which the second axis of rotation D2 extends.
  • From the bottom of the base 20 are two spaced-apart mounting contours 205 from.
  • the base 20 has between the two second bearing elements 202, adjacent to the edge, the passage 207, which opens into the free space 206 and the cable bushing described later.
  • the first lever 21 is approximately rectangular in shape and has at one end the lower extensions 211 forming a fork , which extend away from the edge and leave the free space 216 between them.
  • the lower projections 211 each has a bore through which the first axis of rotation D1 extends.
  • the free space 216 continues quasi U-shaped in the longitudinal direction of the first lever 21 and ends at a web.
  • the upper projection 213 is present, which also has a bore through which passes the third axis of rotation D3 . From the lower extensions 211 to the upper extension 213 , the first lever 21 is slightly tapered, resulting in a trapezoidal shape.
  • the second lever 22 is of L-shaped configuration and is composed of two mutually complementary half-shells 220 , which can be connected to one another via latching members.
  • Each half-shell 220 has at one free end the lower bearing element 222 with the bore therein and at the other free end the upper bearing element 224 in the form of an outwardly projecting pin.
  • the second axis of rotation D2 extends through the bores of the lower bearing elements 222, and the fourth axis of rotation D4 extends through the upper bearing elements 224.
  • Adjacent to the upper bearing element 224 opens on the inside of the respective half-shell 220, a free space 226, which extends to the lower bearing element 222 continues.
  • In interconnected half shells 220 of the composite space 226 serves as a cable channel.
  • the boom 23 has the cylindrical head 231, from which extends an approach, sitting at the free end of two spaced-apart third bearing elements 233 , which form a fork shape.
  • the bearing elements 233 In the bearing elements 233 is ever a hole through which passes the third axis of rotation D3 .
  • the free space 236 Between the bearing elements 233 is the free space 236.
  • a shoulder 232 rotates the head 231, which internally has the passage 237 and adjacent to the shoulder 232 an existing breakthrough 235 . Passage 237 and breakthrough 235 are interconnected via a passage 230 .
  • first anchor points 238 are provided in the form of screw channels, which extend parallel to the vertical axis V. Adjacent to the opening 235 , the second anchor point 239 is present, which is also designed as a screw.
  • the heat sink 10 consists of a circumferential rim 100, which terminates on the one hand with a cylinder part 101 as an outer edge, on the other hand, a bottom 102 opposite. From the bottom 102 extends centrally in the direction of the cylinder part 101, a base 103, on which a first paragraph is present, extending from the first paragraph centric a neck, which ends with a second paragraph. At the first paragraph and second paragraph of the base 103 , the fixing means 9 come into engagement.
  • the floor 102 has centered the receptacle 104 and the passage 105, the receptacle 104 of the subsequent cable duct is used and the assembly contour 205 of the base 20 is in the passage 105th
  • the rim 100 radially encloses the free space 106, and the bottom 102 axially delimits the clearance 106 in the opposite direction from the light exit. From the outer edge region of the rim 100, between the cylinder part 101 and the bottom 102, extending in the radial direction, a plurality of spaced apart individual lamellae 107. The lamellae 107 are on the one hand partially embedded in the rim 100 and on the other hand with their free ends based on a surrounding mantle 108 and thus fixed. From the jacket 108 , a handle 109 which serves to adjust the lamp head 1 extends.
  • the support disk 11 is equipped at the top with a plurality of LEDs 10 and has centrally the free space 116, which is slightly larger than the diameter of the base 103 of the heat sink 10 .
  • the annular reflector unit 12 has a plurality of funnel-shaped individual reflectors 120 and a central mounting zone 121 with holes and openings, which allow access to the fixing means 9 .
  • the intent 13 is made of translucent material and has on the Outside several stray fields 130, which lie opposite the individual reflectors 120 . Extend from the inside of each of the stray fields 130 individual collectors 131, into which the light from the LED's 110 flows. The dismantling of the lamp head 1 with the joint 2 takes place in the following steps.
  • the fixing means 9 which is centrally located in the base 103 , is removed in order to remove the attachment 13 from the heat sink 10 .
  • the two opposing fixing means 9 on the base 103 which are engaged with the base 20 , are released, so that the base 20 can be decoupled from the heat sink 10 .
  • the remaining four fixing means 9 on the base 103 must be released. Then it is possible to remove the carrier disk 11 , which now lies loosely on the bottom 102.
  • each individual half-shell 220 When assembling the joint 2 , each individual half-shell 220 must first be threaded with its respective upper bearing element 224 in the opening 235 of the boom 23 from below, in order then to connect the two half-shells 220 with each other on the basis of the locking members. Subsequently, the second lever 22 is brought with its upper bearing elements 224 in the direction of escape with the bearing recesses 234 and then lowered so that the upper bearing elements 224 retract into the bearing recesses 234 and 22 in the intended end position of the second lever, the fourth axis of rotation D4 . Then, the lid 8 is placed on the boom 23 from above and fastened by means of engaging in the second anchor point 239 fixing means 9 . The lid 8 exerts slight pressure on the upper end of the second lever 22 , so that the lamp head 1 remains in the desired position after the adjustment process.
  • the first lever 21 is inserted with its upper extension 213 in the free space 236 of the boom 23 and fixed radially movable by means of a threaded axis, so that the third axis of rotation D3 results.
  • the first bearing elements 201 of the base 20 engages with its lower projections 211, the first bearing elements 201 of the base 20 and is also fixed radially movable with a threaded axis, whereby the first axis of rotation D1 is formed.
  • the heat sink 10 is shown virtually in isolation, with the two associated fixing elements 9 for fixing the base 20 and the associated joint 2 stuck in the first paragraph of the base 103 (s. Figure 8A ).
  • the carrier disk 11 is inserted into the free space 106 and rests on the floor 102 .
  • the LEDs 110 show in the direction of the upper edge of the cylinder part 101, at which the light exit surface is located (s. FIG. 8B ).
  • the reflector unit 12 is inserted into the free space 106 and releasably connected by means of the associated fixing means 9 with the first paragraph on the base 103 .
  • Each individual reflector 120 is located in the direction of escape to the corresponding LED 110 (s. FIG. 8C ).
  • the attachment 13 is attached to the base 103 . In this case, another fixing means 9 penetrates the attachment 13 and is in detachable engagement with the second paragraph located on the neck.
  • the joint 2 is maximally swung out (s. FIGS. 9A and 9C ), so that the first lever 21 and the second lever 22 extend from the boom 23 almost vertically downwards.
  • the lamp head 1 is inclined with its light exit surface by about 70 ° to the horizontal. From the swung-out state, the lamp head 1 can be brought into the pivoted state by means of the joint 2 (see FIG. FIG. 9B ), in which the lamp head 1 is located with its light exit surface in a horizontal orientation.
  • the first lever 21 and the second lever 22 of the joint 2 are also aligned almost horizontally.
  • the discs 28 and axle 29 on the second axis of rotation D2 and the pressure of the Lid 8 on the upper bearing elements 224 on the fourth axis of rotation D4 cause an inhibition, so that the joint 2 remains at the set angle.
  • the friction torque is overcome and the joint 2 in the axes of rotation D1-D4 adjusted until the desired position of the lamp head 1 is reached.
  • the heat sink 10 is releasably attached to the base 20 .
  • the dissipation of the heat produced by the LED's 110 initially takes place substantially from the support plate 11 in the bottom 102 of the rim 100 and the reflector unit 12 with its good thermal conductivity in the cylinder part 101 of the rim 100. From the rim 100 , the heat in the individual lamella 107 introduced. With this construction one achieves a large area and intensive heat dissipation.
  • a - not shown here - power line which extends through the opening in the rim 100, the passage 105 in the heat sink 10, the passage 207 and the free space 206 in the base 20 further into the free space 226 of the second lever 22 and from there into the passage 230 and the passage 237 of the boom 23 extends into it. From the passage 237 , the power line leads to the power source.
  • FIGS. 10A to 10D are identical to FIGS. 10A to 10D
  • the elongated attachment set 3 consists of the lower part 30, the complementary upper part 31, the electric unit 32, the adapter 33, the driver 34 and the clamping ring 35.
  • the electric unit 32 is received between the lower part 30 and the associated upper part 31 , wherein the adapter 33 is fixed to the upper part 31 .
  • the adapter 33 of the mounting kit 3 can be used in a bus bar, not shown here.
  • the bearing 301 is externally present, in which the shoulder 232 of the boom 23 is received.
  • the driver 34 which is in contact with the clamping ring 35 makes it possible to rotate the jib 23 or the joint 2 about the vertical axis V of at least 360 °, preferably for example up to about 370 °.
  • the light output of the lighting device Due to the possibility of pivoting the lamp head 1 about the axes of rotation D1-D4 and the possibility of rotation of the joint 2 about the vertical axis V , the light output of the lighting device from a quasi-horizontal orientation to almost vertical orientation to the full extent of 360 ° in the room individually adjustable.
  • the pot-shaped installation set 4 consists of the housing 40, the bearing piece 41, the driver 34 and the clamping ring 35.
  • the installation set 4 is provided for mounting in a ceiling recess in which the electrical unit 32 - both is not shown here - is positioned.
  • the housing 40 has the shape of a cylinder part 402 with bottom 400 and therein central passage 405 and the assembly zone 401 thereabout. Compared to the bottom 400, the cylinder part 402 has the peripheral edge 404, from which a plurality of spring tabs 403 spaced apart. The spring tabs 403 are used for safe and stable support of the housing 40 in the ceiling recess.
  • the bearing piece 41 has the shank 410 from which the flange 411 extends. Centered in the stem 410 is the passage 415, at the lower end of the passage 415, the circumferential counter-shoulder 412 is present. At the counter shoulder 412 , the shoulder 232 of the boom 23 is received. Based on the engaging in the anchor points 238 fixing means 9 of the driver 34 and the overlying clamping ring 35 is positioned, whereby the boom 23 and thus the whole joint 2 is held together with the lamp head 1 mounted thereto and is rotatably connected to the mounting kit 4 about the vertical axis V. , The rotation of the boom 23 and the joint 2 about the vertical axis V and the Swiveling the lamp head 1 about the axes of rotation D1-D4 is done in the same manner as before in the FIGS. 10A to 10D described.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
EP12405032.9A 2012-03-30 2012-03-30 Dispositif d'éclairage électrique avec une tête de lampe orientable sur plusieurs axes Withdrawn EP2644988A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP12405032.9A EP2644988A1 (fr) 2012-03-30 2012-03-30 Dispositif d'éclairage électrique avec une tête de lampe orientable sur plusieurs axes

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP12405032.9A EP2644988A1 (fr) 2012-03-30 2012-03-30 Dispositif d'éclairage électrique avec une tête de lampe orientable sur plusieurs axes

Publications (1)

Publication Number Publication Date
EP2644988A1 true EP2644988A1 (fr) 2013-10-02

Family

ID=46027888

Family Applications (1)

Application Number Title Priority Date Filing Date
EP12405032.9A Withdrawn EP2644988A1 (fr) 2012-03-30 2012-03-30 Dispositif d'éclairage électrique avec une tête de lampe orientable sur plusieurs axes

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EP (1) EP2644988A1 (fr)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2809616A1 (de) * 1978-03-06 1979-09-13 Hoffmeister Leuchten Kg Elektrische einbauleuchte
DE19744638C2 (de) 1997-10-09 1999-11-04 Zumtobel Staff Gmbh & Co Kg Leuchte
DE20004984U1 (de) 2000-03-17 2001-07-26 Zumtobel Staff GmbH & Co. KG, 32657 Lemgo Strahler-Leuchte zur Anbringung an ein Stromschienen-System
EP2107295A2 (fr) * 2008-04-03 2009-10-07 Steinel GmbH Dispositif d'éclairage avec LED
US20100149822A1 (en) * 2008-05-26 2010-06-17 Usai, Llc Hot Aimable Lamp Assembly with Memory for Adjustable Recessed Light

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2809616A1 (de) * 1978-03-06 1979-09-13 Hoffmeister Leuchten Kg Elektrische einbauleuchte
DE19744638C2 (de) 1997-10-09 1999-11-04 Zumtobel Staff Gmbh & Co Kg Leuchte
DE20004984U1 (de) 2000-03-17 2001-07-26 Zumtobel Staff GmbH & Co. KG, 32657 Lemgo Strahler-Leuchte zur Anbringung an ein Stromschienen-System
EP2107295A2 (fr) * 2008-04-03 2009-10-07 Steinel GmbH Dispositif d'éclairage avec LED
US20100149822A1 (en) * 2008-05-26 2010-06-17 Usai, Llc Hot Aimable Lamp Assembly with Memory for Adjustable Recessed Light

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