EP0697136A1 - Kompakte leuchtstofflampe - Google Patents
Kompakte leuchtstofflampeInfo
- Publication number
- EP0697136A1 EP0697136A1 EP94913017A EP94913017A EP0697136A1 EP 0697136 A1 EP0697136 A1 EP 0697136A1 EP 94913017 A EP94913017 A EP 94913017A EP 94913017 A EP94913017 A EP 94913017A EP 0697136 A1 EP0697136 A1 EP 0697136A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- compact fluorescent
- reflector
- fluorescent lamp
- lamp according
- housing
- 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
Links
- 239000011521 glass Substances 0.000 claims abstract description 24
- 238000009423 ventilation Methods 0.000 claims description 4
- 239000011248 coating agent Substances 0.000 claims description 2
- 238000000576 coating method Methods 0.000 claims description 2
- 230000001427 coherent effect Effects 0.000 claims description 2
- 239000005401 pressed glass Substances 0.000 description 6
- 230000004313 glare Effects 0.000 description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 210000003298 dental enamel Anatomy 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
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
- F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
- F21V29/50—Cooling arrangements
- F21V29/70—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks
- F21V29/83—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks the elements having apertures, ducts or channels, e.g. heat radiation holes
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J61/00—Gas-discharge or vapour-discharge lamps
- H01J61/02—Details
- H01J61/30—Vessels; Containers
-
- 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
- F21S8/04—Lighting devices intended for fixed installation intended only for mounting on a ceiling or the like overhead structures
-
- 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
- F21V19/0095—Fastening of light sources or lamp holders of tubular light sources, e.g. ring-shaped fluorescent light sources of U-shaped tubular light sources, e.g. compact fluorescent tubes
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J61/00—Gas-discharge or vapour-discharge lamps
- H01J61/02—Details
- H01J61/025—Associated optical elements
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J61/00—Gas-discharge or vapour-discharge lamps
- H01J61/02—Details
- H01J61/30—Vessels; Containers
- H01J61/305—Flat vessels or containers
- H01J61/307—Flat vessels or containers with folded elongated discharge path
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J61/00—Gas-discharge or vapour-discharge lamps
- H01J61/02—Details
- H01J61/30—Vessels; Containers
- H01J61/32—Special longitudinal shape, e.g. for advertising purposes
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J61/00—Gas-discharge or vapour-discharge lamps
- H01J61/02—Details
- H01J61/30—Vessels; Containers
- H01J61/32—Special longitudinal shape, e.g. for advertising purposes
- H01J61/327—"Compact"-lamps, i.e. lamps having a folded discharge path
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J61/00—Gas-discharge or vapour-discharge lamps
- H01J61/02—Details
- H01J61/56—One or more circuit elements structurally associated with the lamp
-
- 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
- F21Y2103/00—Elongate light sources, e.g. fluorescent tubes
- F21Y2103/30—Elongate light sources, e.g. fluorescent tubes curved
- F21Y2103/37—U-shaped
-
- 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
- F21Y2113/00—Combination of light sources
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J61/00—Gas-discharge or vapour-discharge lamps
- H01J61/70—Lamps with low-pressure unconstricted discharge having a cold pressure < 400 Torr
Definitions
- the invention relates to a compact fluorescent lamp.
- the lamp according to the invention is an improved version of a compact fluorescent lamp, in particular a reflector lamp, which can be used as an energy-saving alternative to the general-purpose incandescent lamp in ceilings and pendant lights.
- compact fluorescent lamps such as are described, for example, in patent EP 0 143 419, are operated almost exclusively in a hanging position in ceilings and pendant lights. This means that the U-shaped tube parts that form the discharge vessel of the compact fluorescent lamp are aligned vertically.
- These compact fluorescent lamps deliver a high vertical illuminance in a hanging operating position, i.e. high illuminance for vertical surfaces, e.g. for walls, but only a relatively low illuminance for horizontal surfaces, e.g. Table surfaces and floors. This can lead to the table and floor being inadequately illuminated by compact fluorescent lamps which are used in a suspended operating position in pendant lights or ceiling lights.
- the high vertical light intensity of the discharge vessel causes a strong glare to the viewer when the luminaire is viewed.
- the international design IR-DM / 007715 discloses a compact fluorescent lamp with a rotationally symmetrical, funnel-shaped aluminum reflector in which the lamp is held axially.
- this compact fluorescent lamp provided with a reflector provides a high horizontal illuminance, it is unsuitable for ceilings and pendant lights due to its large overall length.
- the overall length of a compact 15 W fluorescent lamp with reflector is 152 mm and the overall length of a compact 20 W fluorescent lamp with reflector is 186 mm.
- the length of a 60 W general-purpose incandescent lamp is only 105 mm for comparison. , 1
- DE-OS 31 06721 describes a press glass lamp designed as a compact fluorescent lamp.
- this lamp has a rotationally symmetrical, funnel-shaped housing in which a ballast is enclosed and which has a screw base.
- the discharge vessel consists of two pressed glass parts which are connected to each other in a gas-tight manner by means of a glass enamel.
- a zigzag-shaped pressed glass part arranged within the discharge vessel divides the discharge space and forms a tortuous discharge path that runs perpendicular to the lamp axis.
- the discharge vessel advantageously consists of several U-shaped glass tubes which are arranged next to one another in a common plane perpendicular to the reflector axis. As a result, these glass tubes, in particular their legs, form a flat discharge vessel which acts as a surface radiator and which enables the lamp of the invention to have a short overall length.
- U-shaped or meandering glass tubes are formed from a rod-shaped, cylindrical glass tube, which in turn was melted directly from the glass furnace. That is to say, the manufacturing technique which has been tried and tested in rod-shaped fluorescent lamps can be used be turned. It is not necessary to fall back on the technically more complex pressed glass technology.
- the electronic ballast integrated in the connection part of the housing and the screw base attached to it make it possible to use the lamp according to the invention in ceilings and pendant lights which were originally designed for incandescent lamps.
- the maximum overall length of the lamp according to the invention is only 118 mm and thus only exceeds the length of a 60 W general-purpose incandescent lamp by 13 mm.
- Ventilation slots in the reflector body in combination with the unlocked light outlet opening of the reflector, allow the discharge vessel to be adequately cooled so that an optimal operating temperature for the light yield can be established.
- the light exit opening of the reflector is advantageously delimited by an annular cover which covers the connection part in which the discharge vessel is held and which also further reduces the glare effect of the lamp according to the invention.
- the horizontal illuminance of the lamp can be increased by a reflective coating on the inner wall of the reflector.
- a ballast integrated in the lamp was dispensed with.
- This embodiment is intended for use in luminaires which in turn already have a built-in electronic or conventional ballast for operating fluorescent lamps, or else are intended for use with an adapter in which a ballast is integrated.
- Figure 1 is a side view of a lamp according to the invention according to a first embodiment
- Figure 2 is a plan view of the light exit opening of the lamp according to the invention
- FIG. 3 is a side view of a lamp according to the invention according to a second embodiment.
- 1 and 2 show a first embodiment of a compact fluorescent lamp according to the invention.
- the lamp has a housing 1 made of plastic with a rotationally symmetrical reflector la and a connecting part lb, which is equipped with a screw base 2.
- the reflector la attached to the connecting part is funnel-shaped towards the light exit opening 1c.
- the discharge vessel 3 of the compact fluorescent lamp is formed by two gas-tightly closed U-shaped glass tubes 30, 31, which are arranged side by side in a common plane perpendicular to the reflector axis within the reflector la.
- the interiors of the glass tubes 30, 31 communicate via a hollow connecting web 3a, so that a single coherent discharge space is created (FIG. 2).
- a ring segment-shaped receiving device 4 which extends to the reflector bottom and in which the free legs 30 a, 30 b, 31 b, 31 a of the glass tubes 30, 31 are fixed.
- the outer legs 30a, 31a of the U-shaped glass tubes 30, 31 are each equipped with a gas-tight, melted-in electrode (not shown), which are electrically connected via the receiving device 4 to the electronic ballast accommodated in the connecting part 1b.
- Two retaining clips 7 attached to the reflector wall additionally fix the U-shaped glass tubes 30, 31 at their bent ends.
- the light exit opening lc of the reflector la is through a transparent, i.e. translucent, but not transparent, circular cover 5 limited.
- the reflector 1 a has a plurality of ventilation slots 6 arranged in a ring, which, in combination with the unlocked light exit opening of the reflector, allow sufficient air circulation for cooling the lamp.
- the reflector base is formed by a slightly conical tapered disc that has been coated with aluminum to improve reflection. The tip of this disc faces the discharge vessel 3.
- the 11 W version of this lamp has an overall length (measured axially) of 114 mm and a maximum outside diameter of 108 mm, while the otherwise identical 15 W version of this lamp according to the invention has a length of 118 mm (in the axial direction) and one has a maximum outside diameter of 128 mm.
- FIG. 3 shows a side view of the compact fluorescent lamp according to the invention in accordance with a second exemplary embodiment.
- This second embodiment game differs from the first example explained above by the base 2 'and in that the lamp does not have an integrated ballast.
- the reflector la ', the ventilation slots 6', the annular cover 5 ', the discharge vessel and the receiving device, however, are identical to the corresponding parts of the first game personssbei.
- FIG. 2 thus also shows a top view of the light exit opening of the lamp according to the second exemplary embodiment.
- This lamp is intended for use in luminaires that have a built-in ballast or for use with an adapter in which a ballast device is integrated.
- the lamp base 2 ' is designed as a G 24d (for operation on a conventional ballast) or as a G 24q base (for operation on an electronic ballast).
- the discharge vessel of the lamp according to the invention can be made from just a single U-shaped glass tube or from more than two, e.g. consist of three U-shaped glass tubes.
- the U-shaped glass tubes can also form a discharge vessel with a plurality of separate discharge spaces.
- the discharge vessel can consist of a meandering glass tube.
- a G 23 base for example, can also be used instead of a G 24 base.
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Vessels And Coating Films For Discharge Lamps (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Description
Claims
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE4314744A DE4314744A1 (de) | 1993-05-04 | 1993-05-04 | Kompakte Leuchtstofflampe |
DE4314744 | 1993-05-04 | ||
PCT/DE1994/000464 WO1994025978A1 (de) | 1993-05-04 | 1994-04-27 | Kompakte leuchtstofflampe |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0697136A1 true EP0697136A1 (de) | 1996-02-21 |
EP0697136B1 EP0697136B1 (de) | 1997-12-03 |
Family
ID=6487159
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP94913017A Expired - Lifetime EP0697136B1 (de) | 1993-05-04 | 1994-04-27 | Kompakte leuchtstofflampe |
Country Status (12)
Country | Link |
---|---|
US (1) | US5729079A (de) |
EP (1) | EP0697136B1 (de) |
JP (1) | JPH08509572A (de) |
KR (1) | KR960702168A (de) |
CN (1) | CN1061172C (de) |
AT (1) | ATE160902T1 (de) |
CA (1) | CA2160475A1 (de) |
DE (2) | DE4314744A1 (de) |
ES (1) | ES2109688T3 (de) |
HK (1) | HK1003347A1 (de) |
HU (1) | HU216037B (de) |
WO (1) | WO1994025978A1 (de) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4434124A1 (de) * | 1994-09-23 | 1996-03-28 | Walter Holzer | Reflektor für Leuchtstofflampen |
DE4439727A1 (de) * | 1994-11-09 | 1996-05-15 | Walter Holzer | Sockel für Kompaktlampen |
JP3115826B2 (ja) * | 1996-07-01 | 2000-12-11 | 松下電子工業株式会社 | 電球形蛍光灯 |
ITFI20020114U1 (it) * | 2002-12-20 | 2004-06-21 | Targetti Sankey Spa | Apparecchio illuminante monouso a sorgente luminosa fluorescente |
US7358676B2 (en) | 2003-05-26 | 2008-04-15 | Aero Tech Light Bulb Co. | Fluorescent light source |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1514281A (en) * | 1975-10-24 | 1978-06-14 | Claudgen Ltd | Low pressure mercury vapour fluorescent electric discharge lamps |
JPS587026B2 (ja) * | 1978-06-16 | 1983-02-08 | 株式会社日立製作所 | 簡易形けい光灯 |
NL8001280A (nl) * | 1980-03-04 | 1981-10-01 | Philips Nv | Lagedrukontladingslamp. |
US4420799A (en) * | 1982-08-20 | 1983-12-13 | Miller Jack V | Circular gas discharge reflector lamp |
DE3313091A1 (de) * | 1983-04-12 | 1984-10-18 | Staff GmbH & Co KG, 4920 Lemgo | Leuchte mit reflektor und kleinleuchtstofflampe |
US4853591A (en) * | 1983-11-25 | 1989-08-01 | Patent Treuhand Gesellschaft Fur Elektrische Gluhlampen Mbh | Multiple-tube compact low-pressure discharge fluorescent lamp |
DE9014804U1 (de) * | 1990-10-26 | 1991-01-24 | Wildemann, Detlef, 4709 Bergkamen | Elektronische Kompaktleuchtstofflampe mit kombiniertem Reflektor und Sockel E27 |
US5294867A (en) * | 1992-03-13 | 1994-03-15 | Gte Products Corporation | Low pressure mercury vapor discharge lamp containing an amalgam |
US5982089A (en) * | 1992-03-27 | 1999-11-09 | U.S. Philips Corporation | Low-pressure mercury discharge meander lamp dimensioned for even illumination and favorable power consumption |
-
1993
- 1993-05-04 DE DE4314744A patent/DE4314744A1/de not_active Withdrawn
-
1994
- 1994-04-27 KR KR1019950704797A patent/KR960702168A/ko not_active Application Discontinuation
- 1994-04-27 DE DE59404730T patent/DE59404730D1/de not_active Expired - Fee Related
- 1994-04-27 WO PCT/DE1994/000464 patent/WO1994025978A1/de active IP Right Grant
- 1994-04-27 JP JP6523741A patent/JPH08509572A/ja active Pending
- 1994-04-27 CN CN94191994A patent/CN1061172C/zh not_active Expired - Fee Related
- 1994-04-27 ES ES94913017T patent/ES2109688T3/es not_active Expired - Lifetime
- 1994-04-27 AT AT94913017T patent/ATE160902T1/de not_active IP Right Cessation
- 1994-04-27 CA CA002160475A patent/CA2160475A1/en not_active Abandoned
- 1994-04-27 US US08/535,150 patent/US5729079A/en not_active Expired - Fee Related
- 1994-04-27 HU HUP9503155A patent/HU216037B/hu not_active IP Right Cessation
- 1994-04-27 EP EP94913017A patent/EP0697136B1/de not_active Expired - Lifetime
-
1998
- 1998-03-23 HK HK98102435A patent/HK1003347A1/xx not_active IP Right Cessation
Non-Patent Citations (1)
Title |
---|
See references of WO9425978A1 * |
Also Published As
Publication number | Publication date |
---|---|
ES2109688T3 (es) | 1998-01-16 |
CN1122635A (zh) | 1996-05-15 |
DE59404730D1 (de) | 1998-01-15 |
US5729079A (en) | 1998-03-17 |
KR960702168A (ko) | 1996-03-28 |
CA2160475A1 (en) | 1994-11-10 |
JPH08509572A (ja) | 1996-10-08 |
DE4314744A1 (de) | 1994-11-10 |
WO1994025978A1 (de) | 1994-11-10 |
CN1061172C (zh) | 2001-01-24 |
HU9503155D0 (en) | 1995-12-28 |
HK1003347A1 (en) | 1998-10-23 |
HUT72138A (en) | 1996-03-28 |
EP0697136B1 (de) | 1997-12-03 |
HU216037B (hu) | 1999-04-28 |
ATE160902T1 (de) | 1997-12-15 |
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