EP0621742A2 - Boîtier pour un ballast de lampe - Google Patents

Boîtier pour un ballast de lampe Download PDF

Info

Publication number
EP0621742A2
EP0621742A2 EP94105615A EP94105615A EP0621742A2 EP 0621742 A2 EP0621742 A2 EP 0621742A2 EP 94105615 A EP94105615 A EP 94105615A EP 94105615 A EP94105615 A EP 94105615A EP 0621742 A2 EP0621742 A2 EP 0621742A2
Authority
EP
European Patent Office
Prior art keywords
cover
caps
housing
cap
rib
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
EP94105615A
Other languages
German (de)
English (en)
Other versions
EP0621742A3 (fr
EP0621742B1 (fr
Inventor
Roland Kastl
Reinhardt Lecheler
Theodor Kiemeier
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.)
Osram GmbH
Original Assignee
Patent Treuhand Gesellschaft fuer Elektrische Gluehlampen mbH
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 Patent Treuhand Gesellschaft fuer Elektrische Gluehlampen mbH filed Critical Patent Treuhand Gesellschaft fuer Elektrische Gluehlampen mbH
Publication of EP0621742A2 publication Critical patent/EP0621742A2/fr
Publication of EP0621742A3 publication Critical patent/EP0621742A3/fr
Application granted granted Critical
Publication of EP0621742B1 publication Critical patent/EP0621742B1/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
    • F21V23/00—Arrangement of electric circuit elements in or on lighting devices
    • F21V23/02—Arrangement of electric circuit elements in or on lighting devices the elements being transformers, impedances or power supply units, e.g. a transformer with a rectifier
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B41/00—Circuit arrangements or apparatus for igniting or operating discharge lamps
    • H05B41/02—Details

Definitions

  • the invention relates to a housing for a lamp ballast according to the preamble of claim 1.
  • Housings for ballasts for operating discharge lamps and halogen incandescent lamps essentially consist of a lower and upper part with rectangular dimensions.
  • the upper part of the housings fulfilling the safety requirements of protection classes I, II and III (IEC 65 or VDE 0860) is composed of three separate cover caps, the middle cover cap being not detachably connected to the lower part and surrounding the ballast.
  • the caps arranged on the right and left of the middle cover cap cover the electrical mains connections or connections of the lamps to the ballast and are detachably fastened to the lower part by means of screws for protection against accidental contact and security.
  • the fastening of the side cover caps by means of screws represents a high expenditure of material. Since the screws are made of metal, there must also be a safety distance from active ones, ie live ones Metal parts of 8 mm and simply insulated live cables, such as mains cables, of 4 mm are adhered to in order to meet the safety requirements. This increases the required housing dimensions.
  • the object of the invention is to provide a housing for ballasts with a simple fastening mechanism for the side caps, which does not require screws.
  • the cover caps should meet the required protection against contact with active metal parts and the required safety distances and not by hand, i.e. be removable without a technical aid.
  • the vertical ribs on the inside of the longitudinal side walls of the side cover caps which engage in corresponding grooves in the side retaining tabs on the middle cover cap, prevent the side cover caps from being pulled off in the longitudinal direction of the housing. Due to the horizontal rib on the narrow side wall of the middle cap, which engages in the groove of the middle retaining tab attached to the top surface of the side cover caps, a firm hold is also achieved in the vertical direction. To remove the side cover caps, all that is required is to push the retaining tab away from the rib, with indentations on the top surface of the middle and side cover caps making it easier to drive a pointed object, such as a screwdriver, between the rib and the retaining tab.
  • a pointed object such as a screwdriver
  • the side cover caps can thus be removed with a simple lever movement of a screwdriver.
  • the caps simply have to be pushed on and snapped on by hand. No tools are required for this.
  • An extension of the groove at the upper end of the retaining tabs makes it easier to remove the cover caps.
  • Additional holding tabs are advantageously attached to the longitudinal side walls of the side cover caps, which snap into a groove in the edge of the lower part with a rib. These provide an additional hold and prevent the cover caps from moving sideways.
  • FIG. 3 shows a longitudinal section through the housing according to the invention in the area of the right cover cap 8.
  • the cover cap 8 consists of a top surface 10 and three side walls, of which only one longitudinal side wall 14 and the narrow side wall 15 can be seen here.
  • the side cover cap 8 has no side wall.
  • the locking of the side cover cap 8 consists of a vertical rib 22 on the inside of the two longitudinal side walls 14, which engages in a groove 23 on rectangular retaining tabs 24 in the extension of the two longitudinal side walls 5 of the middle cover cap 3.
  • a middle retaining tab 25 with a groove 26 is attached to the top surface 10, into which a rib 27 engages on the outside in the middle of the narrow side wall 21 of the middle cap 3.
  • indentations 19, 20 are made in the middle at the mutually abutting ends of the cover surfaces 4 and 10, which allow the middle retaining tab 25 to be pushed away from the rib 27 with a screwdriver blade.
  • the cap 8 can then be removed upwards.
  • An extension 28 of the groove 23 at the upper end of the retaining tabs 24 in the direction of the side cover 8 makes the removal process easier.
  • the two longitudinal side walls 14 of the side cover 8 are additionally on their inner wall equipped with a protruding retaining tab 29.
  • the holding tab 29 has on its outside a rib 30 which snaps into a groove 31 in the edge 2 of the lower housing part when the cover cap 8 is attached. This ensures better lateral support for the cover cap.

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
  • Casings For Electric Apparatus (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Fastening Of Light Sources Or Lamp Holders (AREA)
EP94105615A 1993-04-20 1994-04-12 Boítier pour un ballast de lampe Expired - Lifetime EP0621742B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE9305978U DE9305978U1 (fr) 1993-04-20 1993-04-20
DE9305978U 1993-04-20

Publications (3)

Publication Number Publication Date
EP0621742A2 true EP0621742A2 (fr) 1994-10-26
EP0621742A3 EP0621742A3 (fr) 1995-04-05
EP0621742B1 EP0621742B1 (fr) 1998-08-12

Family

ID=6892278

Family Applications (1)

Application Number Title Priority Date Filing Date
EP94105615A Expired - Lifetime EP0621742B1 (fr) 1993-04-20 1994-04-12 Boítier pour un ballast de lampe

Country Status (3)

Country Link
EP (1) EP0621742B1 (fr)
AT (1) ATE169793T1 (fr)
DE (2) DE9305978U1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0735800A2 (fr) * 1995-03-31 1996-10-02 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH Appareil pour alimenter une lampe électrique
CH700927B1 (de) * 2006-06-06 2010-11-15 Regent Beleuchtungskoerper Ag Leuchteneinbausystem.

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE9412099U1 (de) * 1994-07-28 1995-11-23 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh Betriebsgerät für elektrische Lampen

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4451693A (en) * 1982-03-22 1984-05-29 Vest Gary W Combined ballast container and wall plug for portable electrical equipment
US4771910A (en) * 1987-10-13 1988-09-20 United Technologies Automotive, Inc. Top and housing with peripheral, resilient interface
DE3901285A1 (de) * 1989-01-18 1990-07-26 Halloform Gmbh & Co Kg Transformatorgehaeuse
DE9011125U1 (fr) * 1990-07-27 1990-10-04 Holzer, Walter, Dr.H.C., 7758 Meersburg, De

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4451693A (en) * 1982-03-22 1984-05-29 Vest Gary W Combined ballast container and wall plug for portable electrical equipment
US4771910A (en) * 1987-10-13 1988-09-20 United Technologies Automotive, Inc. Top and housing with peripheral, resilient interface
DE3901285A1 (de) * 1989-01-18 1990-07-26 Halloform Gmbh & Co Kg Transformatorgehaeuse
DE9011125U1 (fr) * 1990-07-27 1990-10-04 Holzer, Walter, Dr.H.C., 7758 Meersburg, De

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0735800A2 (fr) * 1995-03-31 1996-10-02 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH Appareil pour alimenter une lampe électrique
EP0735800A3 (fr) * 1995-03-31 1997-12-10 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH Appareil pour alimenter une lampe électrique
US5757136A (en) * 1995-03-31 1998-05-26 Patent-Treuhand-Gesellschaft F. Elektrische Gluehlampen Mbh Socket and socket housing for an electric lamp particularly for a suspended or pendant lamp
CH700927B1 (de) * 2006-06-06 2010-11-15 Regent Beleuchtungskoerper Ag Leuchteneinbausystem.

Also Published As

Publication number Publication date
ATE169793T1 (de) 1998-08-15
DE9305978U1 (fr) 1993-06-17
EP0621742A3 (fr) 1995-04-05
DE59406634D1 (de) 1998-09-17
EP0621742B1 (fr) 1998-08-12

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