EP0303561A2 - Lampe - Google Patents

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Publication number
EP0303561A2
EP0303561A2 EP88730177A EP88730177A EP0303561A2 EP 0303561 A2 EP0303561 A2 EP 0303561A2 EP 88730177 A EP88730177 A EP 88730177A EP 88730177 A EP88730177 A EP 88730177A EP 0303561 A2 EP0303561 A2 EP 0303561A2
Authority
EP
European Patent Office
Prior art keywords
connecting profile
holding heads
profile
lamp
ring web
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.)
Granted
Application number
EP88730177A
Other languages
German (de)
English (en)
Other versions
EP0303561B1 (fr
EP0303561A3 (en
Inventor
August Inh. Klaus Gärtner Gärtner
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.)
GAERTNER, AUGUST INH. KLAUS GAERTNER
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of EP0303561A2 publication Critical patent/EP0303561A2/fr
Publication of EP0303561A3 publication Critical patent/EP0303561A3/de
Application granted granted Critical
Publication of EP0303561B1 publication Critical patent/EP0303561B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • F21V19/00—Fastening of light sources or lamp holders
    • F21V19/0075—Fastening of light sources or lamp holders of tubular light sources, e.g. ring-shaped fluorescent light sources
    • F21V19/008—Fastening of light sources or lamp holders of tubular light sources, e.g. ring-shaped fluorescent light sources of straight tubular light sources, e.g. straight fluorescent tubes, soffit lamps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S4/00—Lighting devices or systems using a string or strip of light sources
    • F21S4/20—Lighting devices or systems using a string or strip of light sources with light sources held by or within elongate supports
    • 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
    • F21V11/00—Screens not covered by groups F21V1/00, F21V3/00, F21V7/00 or F21V9/00
    • F21V11/08—Screens not covered by groups F21V1/00, F21V3/00, F21V7/00 or F21V9/00 using diaphragms containing one or more apertures
    • F21V11/12—Screens not covered by groups F21V1/00, F21V3/00, F21V7/00 or F21V9/00 using diaphragms containing one or more apertures of slot 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
    • F21V14/00—Controlling the distribution of the light emitted by adjustment of elements
    • F21V14/08—Controlling the distribution of the light emitted by adjustment of elements by movement of the screens or filters
    • 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
    • F21V17/06—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages the fastening being onto or by the lampholder

Definitions

  • the invention relates to a lamp of the type specified in the preamble of claim 1.
  • Such a lamp is known from EP-0 169 165-Al.
  • plug sleeves are provided which serve as power connections and contain an electrically conductive plug contact arranged centrally within a plastic sleeve, which is surmounted by the plastic sleeve.
  • the plug contacts make electrical contact with sockets, each of which is assigned to a holding head and is connected to an electrical feed line. For reasons of safety when touching, the sockets are recessed in the holding heads.
  • the holding heads are rotatably connected to tubular arms, by means of which the lamp can be fastened to a wall or in any other manner using holding clips.
  • the holder of the lamp is formed by the two holding heads and a connecting profile which connects the holding heads and surrounds the lamp tube, which is designed as an extruded profile made of aluminum or metallized plastic and forms a circular segment in cross section. At the end areas and in the middle area, the connecting profile has webs which surround recesses for the clamping reception of screws or pins.
  • the connection profile of the known lamp is not rotatable due to the fixed connection with the holding heads, so that the light emerging from the circular segment opening of the connection profile and emitted by the glass bulb lamps only radiates from the lamp in a predetermined direction.
  • a luminaire is known with a plurality of tubular lamps arranged in series as light sources in a luminaire tube, in which the luminaire tube is inserted into holding bodies which are arranged at the ends of elastically bendable fastening arms.
  • the fluorescent tube can be rotated about its axis, but there is no security against contact against bare electrical leads in the holding heads in the event that the luminaire tube is removed by bending the tubular arms apart.
  • the invention has for its object to provide a lamp of the type mentioned, which ensures an axial rotation of the connecting profile for adjusting the light failure of the lamp, has great stability in the assembled state and in which the live parts are protected from contact and the light can be assembled or disassembled.
  • the solution according to the invention enables the axial rotation of the connecting profile to adjust the light failure of the lamp in a desired direction, at the same time and under all circumstances ensuring that the live parts in the holding heads or at the outer ends of the lamp tube are protected against contact.
  • the arrangement of a connection profile between the holding heads ensures great stability of the lamp when assembled, while the type of connection of the connecting profile with the holding heads ensures easy assembly and disassembly of the individual parts of the lamp.
  • the invention is based on the finding that by rotating the connecting profile and holding heads relative to each other, a fastening can be achieved, in which holding elements engage behind corresponding elements on the other part in the predetermined relative positions of the mutual rotation and hold them locked in the axial direction against tensile forces.
  • An advantageous embodiment of the solution according to the invention is characterized in that the holding heads are connected to the ends of the connecting profile in the manner of a bayonet catch; the part of the holding heads which can be inserted into the connecting profile is particularly advantageous and has a cylindrical surface with two opposing flats and two ring webs connecting the flats, which engage in the ring in the assembled state in corresponding ring grooves which are arranged on the inside at the ends of the connecting profile.
  • This form of connection between the connecting profile and the holding heads is very stable, since on the one hand it is designed to be form-fitting and on the other hand the part of the holding heads which can be inserted into the connecting profile rests on the inner surface of the connecting profile over a greater length.
  • the mounting heads are not inserted in the lateral direction from the opening side into the connecting tube during assembly, but from the front sides thereof.
  • connection profile is designed as an extruded profile, the parts of the ring web remaining there continuing after a recess for reaching behind it, as well as webs running in the longitudinal direction, over the length of the connection profile, since a particularly simple manufacture is then possible.
  • the luminaire according to the invention is preferably suitable for the production of small, delicate picture lights, emergency desk lights, piano lights, step lighting, display case lighting, shelf lights, cabinet lights, niche lights and smaller light strips.
  • the lamp shown in Figure 1 has a lamp tube 1, in which several glass bulb lamps 8 in one Glass tube are arranged in series.
  • the structural design of the lamp tube preferably corresponds to that of the lamp tube shown and described in EP-0 159 165-A1.
  • the ends of the lamp tube 1 are inserted into holding heads 2a, 2b, which are connected to one another via a connecting profile 3.
  • tubular arms 4a, 4b are inserted, which can be designed in any manner and can be fastened to a wall or an object by means of clamps or the like. Cables are drawn through the tubular arms to the holding heads and conductively connected to the plug contacts in the holding heads.
  • Each connector contains a plastic sleeve 15 inserted into the end of the lamp tube 1 with a central, electrically conductive plug contact 16.
  • the sleeve forms a plastic turned part into which the central plug contact 16 is inserted.
  • the above plastic sleeve also forms a protection against contact, while as Protection of the lamp tube 1, a protective sleeve 17, preferably made of aluminum, is pushed on both sides.
  • the end of the wire 9 which supplies the various glass bulb lamps 8 connected in series is fastened to the plug part 16 by means of a clamping screw 12 which engages in a corresponding recess 13 in the plastic sleeve 15 and secures the arrangement against displacement.
  • the plastic sleeve 15 is provided with an O or snap ring 19, which forms a safeguard against unintentional sliding out when inserted into the holder.
  • a plastic profile 10 is inserted into the lamp tube and is supported in a stable manner inside the lamp tube 1. The arrangement of the glass bulb lamps 8 is simultaneously stabilized and protected against impacts by the plastic profile 10.
  • FIG. 3 shows an enlarged cross section through one of the two holding heads 2a and 2b with the socket therein and one end of the connecting profile 3. Enlarged details of the holding head shown in FIG. 3 can be seen in FIGS. 5 and 6.
  • the holding head consists of a cylindrical end piece 20, which is followed by a part 24 which can be inserted into the connecting profile 3.
  • Both the cylindrical end piece 20 and the part which can be inserted into the connecting profile 3 consists preferably of aluminum or a metallized plastic and has in the region of the cylindrical end piece 20 a radial bore 26 into which a tubular arm 4 is inserted.
  • An axial bore 27 serves to receive an insulating sleeve 50, in which a socket holder 51 made of plastic is arranged.
  • the socket holder 51 serves to receive a socket pin 51 which contacts the plug pin 16 of the lamp tube 1 shown in FIG. 2 and which is connected by means of a screw 53 to a guide cable 6 drawn through the tubular arm 4.
  • the part 21 of the holding head 2 which can be inserted into the connection profile 3 has two opposite flats 22, 23 which are connected by two ring webs 24, 25 are interconnected.
  • the length and arrangement of the ring webs on the outer surface of the part 21 which can be inserted into the connecting profile 3 is matched to an annular groove 32 provided in the connecting profile 3 so that in the assembled state a firm connection between the connecting profile 3 and the respective holding head is ensured, the the front end of the connecting profile 3 bears firmly against the shoulder formed by the cylindrical end piece 20 of the holding head 2.
  • Figure 7 shows a partially sectioned side view of the connecting profile 3 and illustrates the assignment of the connecting parts between the connecting profile 3 and the holding heads 2a, 2b.
  • the connection profile 3 forms in Cross section a circular segment of approximately 210 °, the outer diameter of the profile body 30 preferably being equal to the outer diameter of the cylindrical end piece 20 of the holding body 2, so that a seamless transition to the cylindrical end piece 20 of the holding body 2 on the connecting profile 3 is ensured.
  • the longitudinal edges of the circular segment are provided with a chamfer 31 which at least partially abuts the flats 22, 23 of the holding heads 2 when the holding heads are inserted, the distance a of the flats 22, 23 of the holding heads 2 according to FIG. 4 preferably being the same or slightly smaller than that Distance b between the almost parallel chamfers 31 of the connecting profile 3.
  • the inner diameter of the annular groove 32 is preferably equal to the outer diameter of the ring webs 24, 25 on the part 21 of the holding heads 3 which can be inserted into the connecting profile 3.
  • the connecting profile 3 or the holding heads 2 By rotating the connecting profile 3 or the holding heads 2 by 90 °, the ring webs 24, 25 are disengaged from the annular groove 32 of the connecting profile 3 and the holding heads 2 can be pulled out of the connecting profile 3 by axial pulling, since in this position the flattened ones Surfaces of the holding heads 2 are between the chamfers 31 of the profile body 30 of the connecting profile 3 and thus allow them to be pulled apart. Simultaneously with the pulling out of the holding heads 2 from the connection profile 3, the electrical plug connection between the socket pin 52 and the plug pin 16 is separated.
  • the assembly is carried out in the reverse order, in that the flattened surfaces of the holding body 2 are inserted between the chamfers 31 of the profile body 30 of the connecting profile 3 and the holding body 2 is moved axially to one another until the end face of the connecting profile 3 touches the holding body 2 through the cylindrical end piece 20 formed shoulder abuts.
  • the connecting profile 3 or the or the holding heads 2 By rotating the connecting profile 3 or the or the holding heads 2 by 90 °, the annular webs 24, 25 engage in the annular groove 32 of the connecting profile 3 and establish a positive connection between the connecting profile 3 and the holding head 2, which is secured against axial pulling apart. Nevertheless, the connecting profile 3 can be rotated about the parts 21 of the holding heads 2 inserted into the connecting profile 3, so that the direction of light failure can be varied.
  • the length of the luminaire according to the invention and the number of glass bulb lamps arranged in series in the luminaire tube is virtually arbitrary, even with very long luminaires the external connection of the luminaire is ensured by the fixed connection of the connection profile 3 with the holding heads 2, while the light failure can be adjusted at the same time .
  • the exemplary embodiment shown in perspective in FIG. 8 is a lamp version, which corresponds in principle to the representation according to FIG. 1.
  • the elements that are not described in greater detail correspond to the elements of the exemplary embodiment described above, which are provided with a reference symbol reduced by 100.
  • the part 121, 121a of the holding heads 102a, 102b which can be inserted into the connection profile 103 has a circumferential ring web 124, 125, 124a, 125a, 126a with regions 140, 140a, 141a, 142a which interrupt the ring web.
  • the arrangement of these regions which interrupt the ring web corresponds to the arrangement of parts 127, 128, 129, 129a of a ring web which are provided on the ends of the connecting profile 103 which receive the holding heads 102a, 102b.
  • the arrangement of the remaining areas of the ring web 124, 125, 124a, 125a, 126a on the holding heads 102, 102a also corresponds to the arrangement of the areas interrupting the ring web 127 to 129, 129a at the ends of the connecting profile 103, so that in the assembled state the light engages behind the parts of the ring web of the holding heads those of the connecting profile.
  • the arrangement of the parts of the ring web and their interruptions in the circumferential direction is rotationally symmetrical.
  • the connecting profile 103 Since the areas 140 of the holding heads which interrupt the ring web are smaller in the circumferential direction than its remaining areas or that the areas which interrupt the ring web of the connecting profile are larger in circumferential direction than the areas remaining there, when the connecting profile 103 is formed as an extruded profile, the remaining parts of the After a correspondingly generated recess 132, 132a for engaging behind the ring web, they continue as webs 143 also running in the longitudinal direction over the length of the connecting profile in order to increase its rigidity. Correspondingly, the opening area 144 of the connecting profile extends between two remaining ring web areas 127, 129.
  • the embodiment of the invention is not limited to the preferred exemplary embodiment specified above. Rather, a number of variants are conceivable which make use of the solution shown, even in the case of fundamentally different types.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
  • Road Signs Or Road Markings (AREA)
  • Finger-Pressure Massage (AREA)
  • Fastening Of Light Sources Or Lamp Holders (AREA)
  • Storage Of Fruits Or Vegetables (AREA)
  • Circuit Arrangements For Discharge Lamps (AREA)
  • Lasers (AREA)
EP88730177A 1987-08-10 1988-08-09 Lampe Expired - Lifetime EP0303561B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE8711021U DE8711021U1 (de) 1987-08-10 1987-08-10 Leuchte
DE8711021U 1987-08-10

Publications (3)

Publication Number Publication Date
EP0303561A2 true EP0303561A2 (fr) 1989-02-15
EP0303561A3 EP0303561A3 (en) 1990-02-07
EP0303561B1 EP0303561B1 (fr) 1994-07-06

Family

ID=6811040

Family Applications (1)

Application Number Title Priority Date Filing Date
EP88730177A Expired - Lifetime EP0303561B1 (fr) 1987-08-10 1988-08-09 Lampe

Country Status (4)

Country Link
US (1) US4943900A (fr)
EP (1) EP0303561B1 (fr)
AT (1) ATE108259T1 (fr)
DE (2) DE8711021U1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
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US20220282860A1 (en) * 2020-12-23 2022-09-08 Contemporary Visions, LLC Lighting system

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US4739454A (en) * 1986-06-17 1988-04-19 Starbrite Lighting Ltd. Adjustable display light

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20220282860A1 (en) * 2020-12-23 2022-09-08 Contemporary Visions, LLC Lighting system
US11668456B2 (en) * 2020-12-23 2023-06-06 Contemporary Visions, LLC Lighting system

Also Published As

Publication number Publication date
DE8711021U1 (de) 1987-12-03
EP0303561B1 (fr) 1994-07-06
DE3850536D1 (de) 1994-08-11
US4943900A (en) 1990-07-24
ATE108259T1 (de) 1994-07-15
EP0303561A3 (en) 1990-02-07

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