EP2479483B1 - Lichtdiffusor - Google Patents

Lichtdiffusor Download PDF

Info

Publication number
EP2479483B1
EP2479483B1 EP12160123.1A EP12160123A EP2479483B1 EP 2479483 B1 EP2479483 B1 EP 2479483B1 EP 12160123 A EP12160123 A EP 12160123A EP 2479483 B1 EP2479483 B1 EP 2479483B1
Authority
EP
European Patent Office
Prior art keywords
ring
bag
valve
light diffuser
adapter
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.)
Not-in-force
Application number
EP12160123.1A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP2479483A1 (de
Inventor
Uwe Hagenbach
Bernhard Grill
Manfred Amling
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.)
Lichttechnik-Vertriebs Hagenbach & Grill GmbH
LICHT TECHNIK VERTRIEBS GmbH HAGENBACH AND GRILL
Original Assignee
Lichttechnik-Vertriebs Hagenbach & Grill GmbH
LICHT TECHNIK VERTRIEBS GmbH HAGENBACH AND GRILL
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 Lichttechnik-Vertriebs Hagenbach & Grill GmbH, LICHT TECHNIK VERTRIEBS GmbH HAGENBACH AND GRILL filed Critical Lichttechnik-Vertriebs Hagenbach & Grill GmbH
Publication of EP2479483A1 publication Critical patent/EP2479483A1/de
Application granted granted Critical
Publication of EP2479483B1 publication Critical patent/EP2479483B1/de
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • F21V3/00—Globes; Bowls; Cover glasses
    • F21V3/02—Globes; Bowls; Cover glasses characterised by the shape
    • F21V3/023—Chinese lanterns; Balloons
    • F21V3/026—Chinese lanterns; Balloons being inflatable
    • 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
    • F21V17/00—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages
    • F21V17/10—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening
    • F21V17/20—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening by toggle-action levers
    • 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
    • F21V17/00—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages
    • F21V17/007—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages with provision for shipment or storage
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
    • F21W2131/00—Use or application of lighting devices or systems not provided for in codes F21W2102/00-F21W2121/00
    • F21W2131/40—Lighting for industrial, commercial, recreational or military use
    • F21W2131/406—Lighting for industrial, commercial, recreational or military use for theatres, stages or film studios

Definitions

  • the present invention relates to a light diffuser, comprising a holding device and an attachable to the holding device, at least partially translucent, inflatable bag, the holding device comprising a translucent disc, glass pane in particular adapter ring on the one hand for attachment to a headlight and on the other hand for substantially airtight connection of the inflatable bag according to the preamble of claim 1.
  • Such a light diffuser is derived from the applicant EP 1 194 717 B1 known.
  • the inflatable bag must be attached to the adapter ring in a substantially airtight manner.
  • the provided in the adapter ring translucent disc, in particular heat-resistant glass defines the light inlet opening of the inflatable bag.
  • the bag takes in the inflated state preferably a substantially cylindrical, spherical or hemispherical shape, but also the shape of a cone or a truncated cone.
  • a compressed gas connection and an electronically actuated valve for gas supply is arranged at the adapter ring of the known device, wherein a first pressure sensor determines the building up internal pressure at fixed to the ring bag and then delivers a shutdown signal when a settable or predetermined maximum pressure value is reached so that the filling of the bag is automatically completed, regardless of whether and to what extent a button for actuating the valve is still active or not.
  • the mentioned button can be manually activated for gas filling or gas refilling, providing an automatic limit.
  • the present invention has for its object to provide a light diffuser of the type mentioned, in which the light bag can be connected airtight on the adapter ring of the holder in a very simple manner. Furthermore, it is the task to simplify the facial expressions for the inflation and the pressure control.
  • the first object is achieved by the characterizing features of claim 1, wherein advantageous structural refinements and details are described in the dependent claims. Due to the construction according to the invention, it is no longer necessary to attach the bag of light with a kind of hose clamp or a complicated to handle screw on the adapter ring of the holding device. The construction of the invention is considerably more advantageous in terms of handling, but also in terms of airtightness. Also, the design effort is considerably lower.
  • the adapter ring comprises only a few components, namely an annular disc, a retaining ring, a glass pane and a flat gasket. These parts are held together by evenly distributed over the circumference arranged screws.
  • the flat sealing ring has a double function. On the one hand, it serves to seal the glass pane and, on the other hand, serves as a ring support surface for the light bag or a fastening ring assigned to the light bag.
  • the inventively provided snap fasteners are formed by clamp closures, the brackets are hinged either on the mounting ring or on the adapter ring, the free strap ends, which are hook-like, designed to lock the light bag or the associated mounting ring on the adapter ring either one on the adapter ring or on the mounting ring Reach behind the peripheral edge.
  • the fastening ring provided according to the invention by means of which the end of the light bag which can be connected to the adapter ring can be enclosed airtight, preferably consists of two sheet metal rings, each of which is made of a sheet metal strip or sheet metal strip. Between these two sheet metal rings, the associated end portion of the light bag is clamped airtight.
  • the metal rings are made of aluminum or stainless steel.
  • between the outer ring and bag and / or between the inner ring and bag each have a sealing layer, in particular silicone layer arranged so that not only the interface between the outer ring and bag and / or inner ring and bag, but also passages or holes for receiving rivets, screws, valves or air connections are each sealed peripheral edge side.
  • the mentioned sealing layer thus ensures an airtight fixation of the end portion of the light bag with simultaneous dimensional stability of this end portion for the purpose of an airtight connection to the adapter ring of the holding device.
  • the radially on the adapter ring i. approximately perpendicular to the longitudinal center axis of the adapter ring extending sealing surface is preferably od by a flat ring seal made of silicone, rubber.
  • a flat ring seal made of silicone, rubber.
  • Elastic sealing material formed.
  • a particularly advantageous embodiment is further characterized in that the holding device comprises a bearing ring for rotatably receiving the adapter ring around its central longitudinal axis.
  • This embodiment is always suitable when the light bag comprises opaque sections. Then the orientation of the light is variable as in a pivotally mounted headlight.
  • FIGS. 1 and 2 is a first embodiment of a light diffuser 1 consisting of a holding device 2 and a to the holding device connectable, at least partially translucent, inflatable bag 3, wherein the holding device 2 comprises a light-transmitting and heat-resistant glass pane 5 comprehensive adapter ring 4 on the one hand for attachment to a headlight and on the other hand for airtight connection of the inflatable light bag 3.
  • the holding device 2 comprises a light-transmitting and heat-resistant glass pane 5 comprehensive adapter ring 4 on the one hand for attachment to a headlight and on the other hand for airtight connection of the inflatable light bag 3.
  • an annular retaining flange 32 is arranged, and that at a distance from the adapter ring 4. This retaining flange is used for connection to the headlight, not shown.
  • the connectable to the adapter ring 4 end of the light bag 3 is airtight enclosed by a mounting ring 6, by means of at least three, here eight evenly distributed over the circumference arranged quick fasteners in the form of clamping yoke closures 7 against a radially extending sealing surface. 8 can be tensioned on the adapter ring.
  • the fastening ring 6 comprises an inner sheet metal ring 10 and outer sheet metal ring 9. Between these two sheet metal rings, the associated end portion of the light bag 3 is clamped airtight (see Fig. 2 ).
  • Fig. 2 is the radially on the adapter ring 4 extending sealing surface 8 od by a flat ring seal made of silicone, rubber. Like. Elastic sealing material formed.
  • the quick fasteners 7 are each defined by clamp closures, the bracket 12 in the embodiment according to the FIGS. 1 and 2 are hinged to the mounting ring 6, wherein the associated articulation device riveted to the outer mounting ring 9 (rivets 11 in Fig. 2 ).
  • the free bracket ends 13 of the bracket 12 engage behind the locking of the light bag 3 and the associated attachment ring 6 on the adapter ring 4 a formed on the adapter ring 4 peripheral edge 15th
  • the adapter ring 4 itself is in the embodiment of the FIGS. 1 and 2 formed by an annular disc 27 and a retaining ring 28, between which the glass pane 5 and between the glass pane 5 and washer 27 of the flat sealing ring 8 are held together by clamping.
  • the annular disc 27 and the flat sealing ring 8 are radially outwardly beyond the glass pane 5 and the glass retaining ring 28 to form a ring support surface for the light bag 3 associated mounting ring 6.
  • the mounting ring 6 is accordingly with its free end edge through the clamping yoke seals 7 against the elastic flat sealing ring 8 accordingly Fig. 2 pressed.
  • the light bag 3 is airtight connected to the adapter ring 4 along the circumference of the mounting ring 6. Since the glass pane 5 is also attached airtight to the adapter ring 4, the interior of the light bag 3 can be hermetically sealed from the outside environment.
  • Fig. 3 can be mounted within a through hole 47 in the mounting ring 6, a check valve 17 which opens at a predetermined internal pressure, this check valve 17 is effective depending on the mounting position either as a pressure relief valve or as an inflation valve.
  • the check valve 17 serves as a pressure relief valve. It comprises a valve housing 18 with a valve body 19 on the one hand and a sleeve-like adapter 20 for connecting a compressed air source, in particular an air pump, on the other hand, wherein when mounting the check valve 17 of the mounting ring 6 is clamped fluid-tight between the valve housing 18 and sleeve-like adapter 20.
  • the fluid seal between mounting ring 6 on the one hand and check valve 17 on the other hand is characterized by the in Fig. 3 shown sealing ring, concretely O-ring 21 guaranteed.
  • the valve body 19 comprises a valve disk 33, which is pressed by a compression spring 34 against a sealing surface within the valve housing 18.
  • a sealing ring 35 is disposed between the valve disk 33 and the housing sealing surface. This is preferably made of silicone od. Like. Elastic material.
  • the pressure relief valve 17 opens from about 35 mbar.
  • the adapter sleeve 20 In reverse mounting position, the adapter sleeve 20 are outside and the valve housing 18 together with the valve body 19 inside. To the adapter sleeve can then be an air pump od. Like. Compressed air source are connected to inflate the bag 3.
  • two check valves of the type shown here are provided on the mounting ring, respectively in reverse mounting position, so that the one check valve as an inflation valve and the other Check valve is effective as a pressure relief valve. It gets up in this regard Fig. 1 pointed, where this reverse mounting position of the check valve 17 can be seen.
  • the embodiment according to the FIGS. 4 ff differs from the one according to FIGS. 1 ff primarily by the slightly different design of adapter ring 4 and associated mounting ring 6.
  • the adapter ring 4 is accordingly Fig. 5 cup-shaped, wherein the bottom comprises an annular opening 29 which is hermetically sealed by the glass sheet 5 with the interposition of a ring seal 30.
  • the free edge of the cup-shaped adapter ring 4, which faces the light bag 3, is bent outward to form an annular surface 31 for the flat sealing ring 8, against which the light bag 3 associated mounting ring 6 is airtight clamped.
  • snap closures in the form of clamping yoke closures 7 are provided, which are articulated in this case on the adapter ring 4.
  • the free bracket ends 13 of the clamping bracket 12 thus engage behind the locking of the light bag 3 and the associated attachment ring 6 on the adapter ring 4 a formed on the mounting ring 6 peripheral edge 14.
  • This peripheral edge 14 is formed by the fact that the inner metal ring 10 to the free end edge of the outer Sheet metal ring 9 is bent approximately U-shaped outwards, as in Fig. 5 is shown.
  • the free end portion of the light bag 3 is clamped between the outer and inner metal ring 9, 10 with the interposition of a sealant in the manner described above.
  • the cohesion between the outer and inner metal ring is made by rivets 11.
  • the rivet passages are sealed by the aforementioned sealants between light bag 3 on the one hand and the outer and inner metal ring on the other.
  • the embodiment according to the FIGS. 4 and 5 is also characterized by the fact that the holding device 2 comprises a bearing ring 16 for rotatably receiving the adapter ring 4 about its central longitudinal axis around.
  • the bearing ring 16 is divided into two, so that the adapter ring 4 is very easy to mount on the annular retaining flange 32. For this purpose, only the bearing ring 16 must be opened. Of course, the same applies to a disassembly or replacement of the adapter ring. 4
  • a two-fold valve 23 is mounted in the adapter ring 4, which opens on the one hand at a predetermined pressure within the inflatable bag 3 to the outside, that is effective as a pressure relief valve, on the other hand can be brought from the outside into an open position, in which the bag of light 3 can be emptied both inflated and accelerated.
  • the dual valve 23 has two counteracting valve body 24 and 25, whose operation from the FIGS. 8 to 11 is recognizable.
  • the one valve body 24 is effective within the other valve body 25.
  • the outer valve body 25 defines the valve housing.
  • the inner valve body 24 and the outer valve body 25 define a check valve according to the check valve according to FIG Fig. 3 , This means that the inner valve body 24 opens at a certain overpressure in the light bag 3.
  • the outer valve body 25 is corresponding Fig. 9 mechanically from the outside from the closed position according to Fig. 8 in an open position according to Fig. 9 brought. This is done according to Fig. 9 by a hand-blower nozzle 36 which can be pressed against the outer valve body 25 from the outside.
  • the airbag can be emptied accelerated by means of this hand-held ventilating nozzle.
  • the hand-held fan nozzle can also be connected to a compressed air source for fast filling of the light bag 3.
  • FIGS. 10 and 11 Based on FIGS. 10 and 11 the effect of the inner valve body 24 can be seen.
  • the valve acts as a pressure relief valve according to the pressure relief valve according to Fig. 3 , Again, the pressure relief valve opens preferably from about 35 mbar.
  • Fig. 10 shows the pressure relief valve in the closed state, Fig. 11 in open condition.
  • Fig. 11 the escaping at overpressure in the bag of light with the arrows 37. It is recognizable that in In this case, the valve disk of the inner valve body 24 lifts off from the associated sealing seat within the outer pot-like valve body 25, whereby the inner pressure relief valve is opened.
  • the inner valve body 24 is also urged by a compression spring 42 in the closed position.
  • This compression spring 42 corresponds to the compression spring 34 in Fig. 3 .
  • the valve housing 41 is attached to the inside of the adapter ring 4 with the interposition of a ring seal 43 by means of screws 44, in association with the passage opening 22 in the side wall of the cup-shaped adapter ring 4th
  • an air control unit 26 is connected, through which the pressure within the light bag 3 between a lower and upper limit is adjustable.
  • the air control device 26 is removable. It regulates the pressure preferably between 15 and 35 mbar. It has a pressure port 46, which is under a pressure of 0 to 12 bar.
  • the air control unit can be connected either directly or via a heat-resistant connection hose with the adapter ring or there provided with connection or interfaces.
  • the mentioned interfaces comprise two self-closing compressed air couplings for connecting a measuring and a pressure line.
  • the air control unit 26 can be solved in a simple manner by the mentioned interfaces with simultaneous unlocking of the measuring and pressure line.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
  • Safety Valves (AREA)
  • Check Valves (AREA)
  • Securing Globes, Refractors, Reflectors Or The Like (AREA)
  • Fastening Of Light Sources Or Lamp Holders (AREA)
  • Optical Elements Other Than Lenses (AREA)
  • Mounting And Adjusting Of Optical Elements (AREA)
  • Portable Outdoor Equipment (AREA)
EP12160123.1A 2009-02-23 2010-02-22 Lichtdiffusor Not-in-force EP2479483B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102009010209A DE102009010209A1 (de) 2009-02-23 2009-02-23 Lichtdiffusor
EP10705343.1A EP2399064B1 (de) 2009-02-23 2010-02-22 Aufblasbarer lichtdiffusor

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
EP10705343.1 Division 2010-02-22

Publications (2)

Publication Number Publication Date
EP2479483A1 EP2479483A1 (de) 2012-07-25
EP2479483B1 true EP2479483B1 (de) 2013-11-27

Family

ID=42115711

Family Applications (3)

Application Number Title Priority Date Filing Date
EP12160132.2A Not-in-force EP2479484B1 (de) 2009-02-23 2010-02-22 Lichtdiffusor
EP10705343.1A Not-in-force EP2399064B1 (de) 2009-02-23 2010-02-22 Aufblasbarer lichtdiffusor
EP12160123.1A Not-in-force EP2479483B1 (de) 2009-02-23 2010-02-22 Lichtdiffusor

Family Applications Before (2)

Application Number Title Priority Date Filing Date
EP12160132.2A Not-in-force EP2479484B1 (de) 2009-02-23 2010-02-22 Lichtdiffusor
EP10705343.1A Not-in-force EP2399064B1 (de) 2009-02-23 2010-02-22 Aufblasbarer lichtdiffusor

Country Status (9)

Country Link
US (1) US9086205B2 (es)
EP (3) EP2479484B1 (es)
JP (1) JP5592408B2 (es)
CA (1) CA2753240C (es)
DE (1) DE102009010209A1 (es)
DK (1) DK2399064T3 (es)
ES (2) ES2449315T3 (es)
PT (1) PT2399064E (es)
WO (1) WO2010094794A1 (es)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104344288A (zh) * 2014-09-15 2015-02-11 昆山博文照明科技有限公司 一种新型装饰灯防水装置
US11287103B2 (en) 2019-04-22 2022-03-29 Ism Lighting, Llc. Low wattage balloon work light
CN114114791B (zh) * 2021-11-23 2022-08-16 东莞市标晟塑胶电子有限公司 便携式柔光箱
CN218721024U (zh) * 2022-11-25 2023-03-24 广东思锐光学股份有限公司 一种充气灯

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN85109702A (zh) 1984-12-07 1986-09-24 罗伯特·尼梅尔 用于气球的附属装置
US4855874A (en) * 1987-06-10 1989-08-08 The F. J. Westcott Company Light modifier and method for modifying light
DE29816562U1 (de) * 1998-09-15 1999-02-11 Licht-Technik Vertriebsgesellschaft mbH, 80805 München Beleuchtungseinrichtung
DE10028357A1 (de) 2000-05-29 2001-12-20 Licht Technik Vertriebsgmbh Lichtdiffusor
JP3902923B2 (ja) * 2001-07-25 2007-04-11 株式会社ライトボーイ 投光機
JP2007335080A (ja) 2004-09-17 2007-12-27 Light Boy Co Ltd 照明装置
JP4451351B2 (ja) * 2005-05-19 2010-04-14 星和電機株式会社 照明器具用の筐体
US20070019403A1 (en) * 2005-07-19 2007-01-25 Boghossian Hratch P Portable lighting apparatus
JP2007157526A (ja) * 2005-12-06 2007-06-21 Intercomm Srl 空気で膨張可能な照明バルーン
DE202006011892U1 (de) * 2006-08-03 2006-12-07 Tanklay, Erdogan Aufblasbarer, in seiner Höhe veränderbarer Lichtturm
US7857490B1 (en) * 2009-02-13 2010-12-28 Frontier Lighting Technologies, Llc Collapsible lighting device
US8313203B1 (en) * 2010-11-17 2012-11-20 Thomas Guiney Inflatable device for the diffusion and direction of light

Also Published As

Publication number Publication date
WO2010094794A1 (de) 2010-08-26
DE102009010209A1 (de) 2010-09-02
EP2479484A1 (de) 2012-07-25
US20120134160A1 (en) 2012-05-31
EP2399064A1 (de) 2011-12-28
CA2753240C (en) 2017-05-30
ES2449315T3 (es) 2014-03-19
EP2479484B1 (de) 2013-11-27
ES2420995T3 (es) 2013-08-28
DK2399064T3 (da) 2013-06-03
EP2399064B1 (de) 2013-04-17
PT2399064E (pt) 2013-05-10
JP2012518805A (ja) 2012-08-16
EP2479483A1 (de) 2012-07-25
JP5592408B2 (ja) 2014-09-17
CA2753240A1 (en) 2010-08-26
US9086205B2 (en) 2015-07-21

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