EP1081425A2 - Lampe de poche - Google Patents

Lampe de poche Download PDF

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Publication number
EP1081425A2
EP1081425A2 EP00104478A EP00104478A EP1081425A2 EP 1081425 A2 EP1081425 A2 EP 1081425A2 EP 00104478 A EP00104478 A EP 00104478A EP 00104478 A EP00104478 A EP 00104478A EP 1081425 A2 EP1081425 A2 EP 1081425A2
Authority
EP
European Patent Office
Prior art keywords
light
light source
reflector
flashlight
lamp
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Withdrawn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
EP00104478A
Other languages
German (de)
English (en)
Other versions
EP1081425A3 (fr
Inventor
Harald Opolka
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.)
Zweibrueder Optoelectronics GmbH
Original Assignee
Zweibrueder Optoelectronics 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
Priority claimed from DE29915504U external-priority patent/DE29915504U1/de
Priority claimed from DE20000069U external-priority patent/DE20000069U1/de
Application filed by Zweibrueder Optoelectronics GmbH filed Critical Zweibrueder Optoelectronics GmbH
Publication of EP1081425A2 publication Critical patent/EP1081425A2/fr
Publication of EP1081425A3 publication Critical patent/EP1081425A3/fr
Withdrawn legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21L—LIGHTING DEVICES OR SYSTEMS THEREOF, BEING PORTABLE OR SPECIALLY ADAPTED FOR TRANSPORTATION
    • F21L4/00—Electric lighting devices with self-contained electric batteries or cells
    • F21L4/02—Electric lighting devices with self-contained electric batteries or cells characterised by the provision of two or more light sources
    • F21L4/022—Pocket lamps
    • F21L4/027—Pocket lamps the light sources being a LED
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21L—LIGHTING DEVICES OR SYSTEMS THEREOF, BEING PORTABLE OR SPECIALLY ADAPTED FOR TRANSPORTATION
    • F21L4/00—Electric lighting devices with self-contained electric batteries or cells
    • F21L4/02—Electric lighting devices with self-contained electric batteries or cells characterised by the provision of two or more light sources
    • F21L4/022—Pocket lamps
    • F21L4/025—Pocket lamps the light sources being of different shape or type
    • 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
    • F21V21/08—Devices for easy attachment to any desired place, e.g. clip, clamp, magnet
    • F21V21/088—Clips; Clamps
    • F21V21/0885—Clips; Clamps for portable lighting devices
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2115/00—Light-generating elements of semiconductor light sources
    • F21Y2115/10—Light-emitting diodes [LED]

Definitions

  • the invention relates to a flashlight with a rod-shaped Lamp housing and a lamp head with a hollow reflector, in whose focal point is a first light source, the generated light in the longitudinal axial direction of the lamp housing is emitted, and at least one further, from the first Light source separately switchable LED as a second Light source, whose light radially to the lamp head is emitted.
  • a flashlight is known from EP 0 921 345 A2 single light bulb arranged in a hollow reflector with at least has two separately switchable light filaments through which different cones of light and / or different radiant powers can be generated.
  • the only light bulb is said to be over a socket can be fixed inside the lamp, which over corresponding electrical connections one with a switch creates a switchable connection to the voltage source.
  • a voltage source serve one or more batteries or rechargeable Accumulators in a rod-shaped housing part the flashlight are arranged.
  • all light emitting diodes are on a common one Bracket with integrated power supply lines attached, the one with the lamp base for the first light source (possibly releasably), the first light source and the LEDs via a common voltage source, namely the Flashlight batteries are supplied.
  • the named holder can either be via the base for the first light source pushed or over a corresponding thread between the Screwed base and the inner ring jacket of the holder are down to a final position at the appropriate contacts be short-circuited.
  • the holder via voltage supply lines integrated there and / or via electrical arranged on circuit boards Has contacts, which by means of the prior art known electronic switches the desired and Have the integrated lighting status switched in terms of circuitry.
  • the holder has one on its rear face sheet-metal, spring-mounted contact lug, which in principle according to the prior art, the electrical Makes contact with one of the battery poles.
  • the Holder a board, which is preferably disc-shaped or is annular and perpendicular to the longitudinal axis the lamp housing is arranged. Are on this board several LEDs arranged.
  • the first light source emitting "forward" also a light emitting diode used.
  • the height of the plinth is the one on the front Has holes for insertion of the LED contacts.
  • the wire-shaped LED contacts are not already are sufficiently fixed due to a frictional connection these contacts in the area of the holes with corresponding Connection contacts are soldered.
  • the base mentioned can if necessary, connected to the board via a screw connection his.
  • the advantage of light emitting diodes over conventional light bulbs consists on the one hand in a longer lifespan and on the other others in a significantly lower power requirement (for voltages currents of 5 to 20 mA flow between 1 V and 3.2 V).
  • the first and second light sources can be switched be switchable separately, preferably the existing switch an alternative power supply either from the first light source or the second light source switches or the existing LEDs (second Light source) on continuous light operation or intermittent Operation (flashing function) can be switched.
  • the switch is preferably two or multi-stage switch designed.
  • the flashlight function as a path or other long-range lighting is not required, the power supply from the light bulb or the one radiating forward LED switched to the radially emitting LEDs who recognize the flashlight from a distance to let.
  • This glow effect can occur in poor visibility to be used at dusk or at night to be easily recognized by vehicle drivers. Possibly. can cyclists, especially mountain bikers, whose two-wheelers have none has its own lighting, the flashlight as a warning Use makeshift light.
  • the Flashlight also as a route or warning mark in the event of a car breakdown Off.
  • the holder can preferably be a further longitudinally aligned Circuit board with switch contacts for the already mentioned Have changeover switch.
  • the holder is made in one piece Part manufactured, which is releasably inserted in the lamp head or is plugged in.
  • the holder in question then has one lower plastic part with cylindrical part-shaped outer surfaces, the correspondingly designed inner cylinder of the lamp housing or lamp head. Possibly. can in the area a tongue and groove guide is also provided for this lamp surface his.
  • the lateral surfaces mentioned are only in the range of PCB pieces with switch contacts or existing resilient Pressure switches interrupted.
  • At the front of the Holder is attached to a disc-shaped board, which two or more, preferably four to six, diodes attached there having. A centrally attached cylindrical protrudes over these diodes Base with corresponding holes for mounting of the contact wires of the diode, which are for the to be radiated forward Light is used.
  • the reflector is preferably an annular Has a conical jacket and a central sleeve, which is cylindrical Includes lamp base for the first light source and is pushed over this.
  • the reflector creates the advantage that the wire-shaped light-emitting diode connections are not 90 ° must be angled so that the essentially under light beam emitted at a relatively small opening angle the light emitting diodes can be radiated radially outwards.
  • the diodes can their wire-shaped connections mounted perpendicular to the board be so that they extend in the longitudinal axial direction. This makes it possible to distance all the diodes from to arrange the lamp head inner jacket, so that during assembly or disassembly of the lamp head the risk of damage of the diodes, the diode connections and the electrical contacts is significantly minimized.
  • the reflector essentially directs this in the longitudinal axial direction of the flashlight or the lamp head light emitted by the diodes in radial directions um, with the possibility of the reflector design can be used, the radially radiated outwards Enlarge cone of light.
  • the construction of the reflector with an annular conical jacket and a central sleeve enables simple assembly or replacement.
  • the sleeve the inside diameter of which is necessary Match the outside diameter of the cylindrical base for the first light source corresponds to the reflector, whose Tapered casing inclined at 45 ° to the longitudinal axis of the lamp head thus the desired radial always reproducible Radiation of the light emitted by the diodes reached.
  • the sleeve preferably projects over the annular conical jacket out and is supported on the face of the board mentioned from.
  • the length of the measure with which the sleeve over the cone shell protrudes essentially by the space or the Distance determined by the diode heads to the board surface take in. In any case, the cone jacket should go to the light emitting diodes even be arranged at a certain distance.
  • the annular conical jacket preferably has at its end with the largest diameter a diameter measure that except for one allowable play corresponds to the inside diameter of the lamp head. This measure ensures an optimal reflection of the entire beam of light emitted and for an additional Fixation of the mentioned cone shell in the radial direction.
  • the first light source be provided on the inner surface of the lamp head which the cone sheath faces at the end with the largest Diameter supported on the face.
  • the hollow reflector for the first light source
  • the hollow reflector for the first light source
  • the hollow reflector for the first light source
  • the hollow reflector body towards the front
  • the basically known parabolic shape in a cross-sectional view should have, while the rear end at least should be approximately frustoconical.
  • the truncated cone outstanding sleeve as described above, is provided his.
  • the lamp head has on its outer ring, preferably all around at the level of the annular conical surface of the reflector translucent areas, preferably faceted at least in part of the light-transparent ring Reflectors can be embedded.
  • the lamp head has two light-transparent areas in adjacent areas Have rings, the first of which is crystal clear and the adjacent one is equipped with the mentioned facets and colored, e.g. is red.
  • a light bulb is used as the first light source, is followed by an embodiment of the invention proposed one of the second diodes serving as a high-performance diode.
  • a high power diode emitted light for close illumination is not only sufficient, but also partly in the case of bright lighting sources, disturbing glare effects avoided by backscattered light.
  • the flashlight can be carried horizontally, whatever the corresponds to the natural hand position when walking.
  • the Flashlight on the first light source i.e. the bigger one Light emitting light bulb can be switched.
  • This Light bulb can be used as a single or double filament light bulb of the type described in EP 0 921 345 A2. Becomes In this case, a larger illumination is required Switching from the first to the second filament a narrow, far shining cone of light with high light intensity or a weaker shining light cone with large cone angle generated become.
  • At least the switch is preferably for the high-power diode arranged diametrically opposite the high-performance diode, where for the sake of better handling this Switch is located near the lamp head on the lamp housing.
  • the second, downward radiating Light source by thumb pressure "from above” on the concerned switch located there on the lamp housing turned on without the user through the high-performance diode can be dazzled.
  • the flashlight becomes comfortable in a more natural way Hand position with horizontal alignment of the longitudinal axis of the flashlight worn, preferably each of the to be operated
  • the switch is on the top and can therefore be used for anything the switches possible switching from the first to the second Light source or various additional light functions is also possible in the dark without the risk of glare. Possibly.
  • the separate switch prevents with only a single switch, over which all functions must be set that all light sources accidentally be switched off or when changing from dark to light Rooms accidentally only on a dimly glowing one Light source is switched, although all light sources should be designed.
  • the radially radiating high-performance diode or the one in question Reflector area can be arranged so that the central Axis of the light cone emitted by the diode by 70 ° to Is inclined 80 ° with respect to the longitudinal axis of the flashlight.
  • the Cone of light generated by the high-power diode thus shines with the flashlight aligned horizontally slightly forward inclined so that the full beam of light is completely in front of the user the flashlight.
  • an intermediate ring with two screw threads at the end is provided that allows the front part of the lamp head and / or unscrew the intermediate ring itself from the lamp housing, so that the holder with diodes on it as well as the reflector is accessible. Any damaged parts can easily removed and with new functional parts be replaced.
  • the flashlight shown in Fig. 1 has a rod-shaped Lamp body 10, the inner cavity as a battery drawer owns that at the back end through a lid is lockable. Possibly. can also have a replacement diode in this cover be releasably clamped in a corresponding profile.
  • the lamp head 11, which is a hollow body, is arranged on the front for the existing lighting.
  • the flashlight has an on / off switch 12 and a switch 13, both on the lamp housing 10 near the lamp head 11 are arranged.
  • Optional and as shown in Fig. 1 can also have a clip 14 for attaching the flashlight on a trouser belt and a ring eyelet 15 for attachment a wrist strap 16 may be provided.
  • the lamp head has a non-transparent, crystal-clear ring 17 and adjacent transparent light Rings 18 that have a roughened surface or therein have embedded reflectors, such as as Indirect lighting lamps on two-wheelers are mandatory are.
  • the existing three ring areas 17 and 18 can also be a uniformly red colored, light transparent Intermediate ring can be provided through which the diodes as second light source can emit the light.
  • Fig. 2 can just two diametrically opposed LEDs or, 3, three LEDs 24 are used be at an angular distance of 120 ° to the neighboring Light emitting diode are arranged.
  • Fig. 4 shows a flashlight with six light-emitting diodes 24. Each the light emitting diode shines preferably out of plastic existing light-transparent ring 18 radially outwards.
  • the front part of the flashlight can be turned by turning the ring 26 be removed that both the bulb 20 or Board 25 deducted with appropriate backing or can be unscrewed. In this way, one is easy replacement guaranteed.
  • the cone of light LEDs 25 meet an annular cone jacket 28, from where it is deflected in the radial direction (see arrows 29) become.
  • the annular cone jacket 28 is part of the reflector, who also has a central sleeve 30 which the includes cylindrical lamp base and releasable about this is pushed.
  • the sleeve protrudes over the annular cone jacket 28 and is supported on the face side on the board 25 from.
  • the cone jacket has one at its upper end (largest) diameter, the inside diameter of the lamp head corresponds to a permissible game. Possibly. can he Cone jacket at its upper end with the largest diameter on the end of a projecting annular bead, not shown of the lamp head inner jacket.
  • Fig. 7 shows a further embodiment of the inventive Flashlight, in which the front part of the lamp housing 10 has an external thread 31, via which the lamp head 11 with its internal thread 32 can be screwed.
  • the front lamp head part 33 can optionally also be removed from the (intermediate) ring 18, which is completely or partially transparent, can be unscrewed his.
  • the holder 34 shown has a circuit board 25, on which both the diodes 27 already described (see Fig. 5) and the first light source are attached here is designed as a light emitting diode 35 radiating towards the front.
  • the Reflector 36 has the two wire-shaped for receiving Connections of the LED 35 corresponding holes.
  • the Reflector 36 is on its conical surface, which faces the diodes 27 is, as well as in its surface facing the diode 35 designed as a reflector.
  • the holder 34 has next to the board 25 still another, associated circuit board 37, which has different contact points, the multiple switch 13 are arranged opposite one another.
  • the holder is at least partially cylindrical in shape on its periphery 38 trained so that he fits snugly into the upper part the cavity of the lamp housing 10 can be inserted.
  • one of the diodes 24 or 27 a high-performance diode, in the area of a crystal clear transparent part of the Ring 17 (in the assembled state of the lamp) arranged and the light is radial, but under an oblique after emits a cone of light at the front.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Fastening Of Light Sources Or Lamp Holders (AREA)
  • Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
EP00104478A 1999-09-03 2000-03-04 Lampe de poche Withdrawn EP1081425A3 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE29915504U DE29915504U1 (de) 1999-09-03 1999-09-03 Taschenlampe
DE29915504U 1999-09-03
DE20000069U DE20000069U1 (de) 2000-01-04 2000-01-04 Taschenlampe
DE20000069U 2000-01-04

Publications (2)

Publication Number Publication Date
EP1081425A2 true EP1081425A2 (fr) 2001-03-07
EP1081425A3 EP1081425A3 (fr) 2001-10-04

Family

ID=26055970

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00104478A Withdrawn EP1081425A3 (fr) 1999-09-03 2000-03-04 Lampe de poche

Country Status (1)

Country Link
EP (1) EP1081425A3 (fr)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2004080712A1 (fr) * 2003-03-07 2004-09-23 Döppner Bauelemente GmbH & Co. KG Element transparent, notamment element en verre de securite
WO2005051605A1 (fr) * 2003-11-18 2005-06-09 Fiskars Brands, Inc. Outil de poche avec lampe de poche
FR2864203A1 (fr) 2003-12-19 2005-06-24 Alexandre Chavanne Dispositif d' eclairage
WO2006064333A1 (fr) * 2004-12-14 2006-06-22 Brevity Trade (Pty) Ltd Accessoire pour torche electrique
EP1422468A3 (fr) * 2002-11-22 2007-02-28 Mellert SLT GmbH & Co. KG Lampe portative avec diodes électroluminescentes
BE1017666A5 (nl) * 2007-07-02 2009-03-03 Tactische roterende zaklamp.
ITBO20130075A1 (it) * 2013-02-25 2014-08-26 Veronica Righini Segnalatore luminoso
US20160109075A1 (en) * 2014-10-16 2016-04-21 Devin Heck Hand Held Illuminated Signaling Device for Prospective Riders
CN110878916A (zh) * 2019-12-06 2020-03-13 义乌市赢星电子科技有限公司 一种配设有光伏发电的手电筒

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0921345A2 (fr) 1997-12-08 1999-06-09 Zweibrüder Stahlwarenkontor GmbH Lampe portative, notamment lampe de poche

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2112917B (en) * 1981-12-08 1985-06-26 Victor Stanley Basnayake Electric torch
DE4110985C2 (de) * 1991-04-05 1994-09-22 Abb Patent Gmbh Verstellbare Reflektoranordnung zur Veränderung der Lichtverteilung einer explosionsgeschützten Handleuchte
US6158874A (en) * 1999-05-19 2000-12-12 Brustein; Samuel Multiple beam flashlight
DE29915505U1 (de) * 1999-09-03 2000-01-27 Zweibrüder Stahlwarenkontor GmbH, 42697 Solingen Taschenlampe

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0921345A2 (fr) 1997-12-08 1999-06-09 Zweibrüder Stahlwarenkontor GmbH Lampe portative, notamment lampe de poche

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1422468A3 (fr) * 2002-11-22 2007-02-28 Mellert SLT GmbH & Co. KG Lampe portative avec diodes électroluminescentes
WO2004080712A1 (fr) * 2003-03-07 2004-09-23 Döppner Bauelemente GmbH & Co. KG Element transparent, notamment element en verre de securite
WO2005051605A1 (fr) * 2003-11-18 2005-06-09 Fiskars Brands, Inc. Outil de poche avec lampe de poche
US7063435B2 (en) 2003-11-18 2006-06-20 Fiskars Brands, Inc. Pocket tool with flashlight
FR2864203A1 (fr) 2003-12-19 2005-06-24 Alexandre Chavanne Dispositif d' eclairage
WO2006064333A1 (fr) * 2004-12-14 2006-06-22 Brevity Trade (Pty) Ltd Accessoire pour torche electrique
BE1017666A5 (nl) * 2007-07-02 2009-03-03 Tactische roterende zaklamp.
ITBO20130075A1 (it) * 2013-02-25 2014-08-26 Veronica Righini Segnalatore luminoso
US20160109075A1 (en) * 2014-10-16 2016-04-21 Devin Heck Hand Held Illuminated Signaling Device for Prospective Riders
CN110878916A (zh) * 2019-12-06 2020-03-13 义乌市赢星电子科技有限公司 一种配设有光伏发电的手电筒

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Publication number Publication date
EP1081425A3 (fr) 2001-10-04

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