EP0542146B1 - Ceramic insulator - Google Patents
Ceramic insulator Download PDFInfo
- Publication number
- EP0542146B1 EP0542146B1 EP92119026A EP92119026A EP0542146B1 EP 0542146 B1 EP0542146 B1 EP 0542146B1 EP 92119026 A EP92119026 A EP 92119026A EP 92119026 A EP92119026 A EP 92119026A EP 0542146 B1 EP0542146 B1 EP 0542146B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- recess
- insulating block
- apex
- channel
- bell
- 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.)
- Expired - Lifetime
Links
- 239000000919 ceramic Substances 0.000 title claims abstract description 10
- 239000012212 insulator Substances 0.000 title abstract 2
- 229910052736 halogen Inorganic materials 0.000 claims abstract description 6
- 150000002367 halogens Chemical class 0.000 claims abstract description 6
- 239000004575 stone Substances 0.000 description 9
- 239000011449 brick Substances 0.000 description 2
- 229910052573 porcelain Inorganic materials 0.000 description 2
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 229910052878 cordierite Inorganic materials 0.000 description 1
- JSKIRARMQDRGJZ-UHFFFAOYSA-N dimagnesium dioxido-bis[(1-oxido-3-oxo-2,4,6,8,9-pentaoxa-1,3-disila-5,7-dialuminabicyclo[3.3.1]nonan-7-yl)oxy]silane Chemical compound [Mg++].[Mg++].[O-][Si]([O-])(O[Al]1O[Al]2O[Si](=O)O[Si]([O-])(O1)O2)O[Al]1O[Al]2O[Si](=O)O[Si]([O-])(O1)O2 JSKIRARMQDRGJZ-UHFFFAOYSA-N 0.000 description 1
- KZHJGOXRZJKJNY-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Si]=O.O=[Al]O[Al]=O.O=[Al]O[Al]=O.O=[Al]O[Al]=O KZHJGOXRZJKJNY-UHFFFAOYSA-N 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052863 mullite Inorganic materials 0.000 description 1
- IHQKEDIOMGYHEB-UHFFFAOYSA-M sodium dimethylarsinate Chemical class [Na+].C[As](C)([O-])=O IHQKEDIOMGYHEB-UHFFFAOYSA-M 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J5/00—Details relating to vessels or to leading-in conductors common to two or more basic types of discharge tubes or lamps
- H01J5/50—Means forming part of the tube or lamps for the purpose of providing electrical connection to it
- H01J5/54—Means forming part of the tube or lamps for the purpose of providing electrical connection to it supported by a separate part, e.g. base
- H01J5/56—Shape of the separate part
Definitions
- the invention relates to a ceramic insulating block for halogen lamps (H 1 lamps), which has a flat channel with recess on its output side.
- Insulating stones of the type mentioned are known, see e.g. DE-V-9006680. They are provided with a flat channel for receiving the live contact pin of the halogen lamp. They also have bores or depressions on their broad sides, which are provided for positive connections with a metallic housing by which they are surrounded. A disadvantage of these insulating stones is that the insulating stone has to be provided with these holes or depressions for the positive-locking connections in an additional operation with additional device. The invention seeks to remedy this.
- an insulating stone of the type mentioned which is characterized in that the insulating stone is provided on the input side of the flat channel with a recess with a bell-shaped contour, the apex of which extends towards the output side of the flat channel, the recess being an apex height H S of ⁇ 40% and an apex radius R S of ⁇ 20% of the height H of the insulating brick and a base radius R B between 140% and 60% of R S.
- the flanks of the bell-shaped contour of the recess can enclose an angle ⁇ between 30 and 80 °.
- the recess can have the width B of the channel.
- the brim of the recess can run parallel to the entrance level of the channel and by a distance S ⁇ 30% based on the apex height H S from the entrance level be set back into the interior of the canal and open at an angle ⁇ of approx. 45 ° into the entrance plane of the canal.
- the insulating block according to the invention can be easily produced in one operation.
- the green density differences in the insulating block can be controlled in an advantageous manner during pressing, so that cracks and tolerance violations can be avoided in the event of fire.
- the ceramic insulating brick 1 which can preferably be produced from steatite or porcelain, alumina porcelain, mullite, cordierite material or another ceramic, has a flat channel 2 in its interior, which has a recess 3 on its output side 4.
- the channel 2 receives the contact pin 5, which has a shoulder (not shown) with which it is supported on the recess 3.
- the contact pin 5 has a contact lug 6 for connecting the halogen burner and a tab 7 with which it is fastened in the insulating block.
- the reference number 8 indicates the tab for receiving a pole piece (FIG. 4).
- the insulating block On the input side 9 of the flat channel 2, the insulating block is provided with a recess 10 with a bell-shaped contour, the apex 11 of which extends towards the output side 4.
- the apex height H S of the recess 10 should be ⁇ 40% and the apex radius R S ⁇ 20% of the height H of the insulating block 1.
- the base radius R B can be 60% to 140% of the apex radius.
- the flanks 12, 12 'of bell-shaped contour of the recess 10 can enclose an angle ⁇ between 30 and 80 °.
- the recess 10 can have the width B of the channel 2 at its base 13.
- the brim 14 of the bell-shaped contour of the recess 10 can run parallel to the entrance level 15 of the channel 2 and can be set back by the distance S ⁇ 30% based on the apex height H S from the entrance level 15 into the interior of the channel 2.
- the brim 14 can open into the entrance plane 15 at an angle ⁇ of preferably approximately 45 °.
- the edge design as shown in Fig. 2, facilitates the insertion of the insulating block into a metal housing, not shown.
Landscapes
- Insulating Bodies (AREA)
- Insulators (AREA)
- Spark Plugs (AREA)
- Ceramic Capacitors (AREA)
- Coupling Device And Connection With Printed Circuit (AREA)
- Finishing Walls (AREA)
- Aftertreatments Of Artificial And Natural Stones (AREA)
Abstract
Description
Die Erfindung betrifft einen keramischen Isolierstein für Halogenlampen (H₁-Lampen), der einen flachen Kanal mit Rücksprung an seiner Ausgangsseite aufweist.The invention relates to a ceramic insulating block for halogen lamps (
Isoliersteine der genannten Art sind bekannt siehe z.B. DE-V-9006680. Sie sind mit einem flachen Kanal zur Aufnahme des stromführenden Kontaktstiftes der Halogenlampe versehen. Sie weisen ferner Bohrungen oder Vertiefungen an ihren Breitseiten auf, die für Formschlußverbindungen mit einem metallischen Gehäuse vorgesehen sind, von dem sie umgeben sind. Nachteilig bei diesen Isoliersteinen ist, daß der Isolierstein in einem zusätzlichen Arbeitsgang mit zusätzlichem Gerät mit diesen Bohrungen oder Vertiefungen für die Formschlußverbindungen versehen werden muß. Hier will die Erfindung Abhilfe schaffen.Insulating stones of the type mentioned are known, see e.g. DE-V-9006680. They are provided with a flat channel for receiving the live contact pin of the halogen lamp. They also have bores or depressions on their broad sides, which are provided for positive connections with a metallic housing by which they are surrounded. A disadvantage of these insulating stones is that the insulating stone has to be provided with these holes or depressions for the positive-locking connections in an additional operation with additional device. The invention seeks to remedy this.
Die Aufgabe wird durch einen Isolierstein der genannten Art gelöst, der dadurch gekennzeichnet ist, daß der Isolierstein auf der Eingangsseite des flachen Kanals mit einer Ausnehmung mit glockenförmiger Kontur versehen ist, deren Scheitel sich zur Ausgangsseite des flachen Kanals hin erstreckt, wobei die Ausnehmung eine Scheitelhöhe HS von ≦ 40 % und einen Scheitelradius RS von ≦ 20 % der Höhe H des Isoliersteins sowie einen Basisradius RB zwischen 140 % und 60 % von RS aufweist.The object is achieved by an insulating stone of the type mentioned, which is characterized in that the insulating stone is provided on the input side of the flat channel with a recess with a bell-shaped contour, the apex of which extends towards the output side of the flat channel, the recess being an apex height H S of ≦ 40% and an apex radius R S of ≦ 20% of the height H of the insulating brick and a base radius R B between 140% and 60% of R S.
Die Flanken der glockenförmigen Kontur der Ausnehmung können einen Winkel α zwischen 30 und 80° einschließen. An ihrer Basis kann die Ausnehmung die Breite B des Kanals aufweisen. Die Krempe der Ausnehmung kann parallel zur Eingangsebene des Kanals laufen und um eine Strecke S ≦ 30 % bezogen auf die Scheitelhöhe HS von der Eingangsebene in das Kanalinnere zurückgesetzt sein und unter einem Winkel β von ca. 45° in die Eingangsebene des Kanals münden.The flanks of the bell-shaped contour of the recess can enclose an angle α between 30 and 80 °. At its base, the recess can have the width B of the channel. The brim of the recess can run parallel to the entrance level of the channel and by a distance S ≦ 30% based on the apex height H S from the entrance level be set back into the interior of the canal and open at an angle β of approx. 45 ° into the entrance plane of the canal.
Der erfindungsgemäße Isolierstein läßt sich problemlos in einem Arbeitsgang herstellen. Darüberhinaus lassen sich die Gründichteunterschiede im Isolierstein beim Pressen in vorteilhafter Weise steuern, sodaß beim Brand Risse und Toleranzüberschreitungen vermieden werden können.The insulating block according to the invention can be easily produced in one operation. In addition, the green density differences in the insulating block can be controlled in an advantageous manner during pressing, so that cracks and tolerance violations can be avoided in the event of fire.
Im folgenden wird die Erfindung beispielhaft anhand von lediglich einen Ausführungsweg darstellender Zeichnungen näher erläutert.In the following, the invention is explained in more detail by way of example with reference to drawings which illustrate only one embodiment.
Es zeigen
Figur 1- den Isolierstein in Ansicht geschnitten,
Figur 2- den Isolierstein in Draufsicht;
Figur 3- den Isolierstein von unten und
Figur 4- den Isolierstein mit Kontaktstift perspektivisch.
- Figure 1
- cut the insulating stone in view,
- Figure 2
- the insulating stone in top view;
- Figure 3
- the insulating stone from below and
- Figure 4
- the insulating stone with contact pin in perspective.
Der keramische Isolierstein 1, der vorzugsweise aus Steatit oder Porzellan, Tonerdeporzellan, Mullit-, Cordieritwerkstoff oder einer anderen Keramik hergestellt werden kann, weist in seinem Inneren einen flachen Kanal 2 auf, der einen Rücksprung 3 auf seiner Ausgangsseite 4 besitzt. Der Kanal 2 nimmt den Kontaktstift 5 auf, der eine Schulter besitzt (nicht dargestellt), mit der er sich auf dem Rücksprung 3 abstützt. Der Kontaktstift 5 besitzt eine Kontaktfahne 6 zum Anschließen des Halogenbrenners und eine Lasche 7, mit der er im Isolierstein befestigt wird. Die Bezugsziffer 8 deutet die Lasche zur Aufnahme eines Polschuhs an (Figur 4). Auf der Eingangsseite 9 des flachen Kanals 2 ist der Isolierstein mit einer Ausnehmung 10 mit glockenförmiger Kontur versehen, deren Scheitel 11 sich zur Ausgangsseite 4 hin erstreckt. Die Scheitelhöhe HS der Ausnehmung 10 soll ≦ 40 % und der Scheitelradius RS ≦ 20 % der Höhe H des Isoliersteins 1 betragen. Der Basisradius RB kann 60 % bis 140 % vom Scheitelradius betragen. Die Flanken 12,12′ der glockenförmigen Kontur der Ausnehmung 10 können einen Winkel α zwischen 30 und 80° einschließen. Die Ausnehmung 10 kann an ihrer Basis 13 die Breite B des Kanals 2 aufweisen. Die Krempe 14 der glockenförmigen Kontur der Ausnehmung 10 kann parallel zur Eingangsebene 15 des Kanals 2 verlaufen und um die Strecke S ≦ 30 % bezogen auf die Scheitelhöhe HS von der Eingangsebene 15 in das Innere des Kanals 2 zurückgesetzt sein. Die Krempe 14 kann unter einem Winkel β von vorzugsweise ca. 45° in die Eingangsebene 15 münden. Die Kantengestaltung, wie in Fig. 2 gezeigt, erleichtert das Einschieben des Isoliersteins in ein nicht dargestelltes Metallgehäuse.The ceramic insulating
Claims (5)
- A ceramic insulating block for halogen lamps, which has a shallow channel having a re-entrant projection at its exit side, which ceramic insulating block (1) is provided, at the entry side (9) of the shallow channel (2), with a recess (10) having a bell-shaped contour whose apex (11) extends towards the exit side (4) of the shallow channel (2), the recess (10) having an apex height Hs of ≦ 40%, an apex radius Rs of ≦ 20% of the height H of the insulating block (1), and a base radius RB of between 140% and 60% of RS.
- The ceramic insulating block as claimed in claim 1, wherein the flanks (12, 12′) of the bell-shaped contour of the recess (10) include an angle α of between 30 and 80°.
- The ceramic insulating block as claimed in claim 1 or 2, wherein the recess (10) has the width B of the channel (2) at its base (13).
- The ceramic insulating block as claimed in claims 1 to 3, wherein the rim (14) of the bell-shaped recess (10) extends parallel to the entry plane (15) of the channel (2) and is set back by a distance S ≦ 30%, referred to the apex height Hs, into the interior of the channel (2) from the entry plane (15) and opens into the entry plane (15) at an angle β of approximately 45°.
- Use of an insulating block as claimed in any of claims 1 to 4 for receiving current-carrying contact pins of halogen lamps and for making interlocking connections to metallic housings.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE4136868A DE4136868A1 (en) | 1991-11-09 | 1991-11-09 | CERAMIC INSULATION STONE |
| DE4136868 | 1991-11-09 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP0542146A1 EP0542146A1 (en) | 1993-05-19 |
| EP0542146B1 true EP0542146B1 (en) | 1995-05-17 |
Family
ID=6444406
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP92119026A Expired - Lifetime EP0542146B1 (en) | 1991-11-09 | 1992-11-06 | Ceramic insulator |
Country Status (13)
| Country | Link |
|---|---|
| US (1) | US5391093A (en) |
| EP (1) | EP0542146B1 (en) |
| JP (1) | JP2833942B2 (en) |
| AT (1) | ATE122819T1 (en) |
| BR (1) | BR9204336A (en) |
| CZ (1) | CZ283366B6 (en) |
| DE (2) | DE4136868A1 (en) |
| ES (1) | ES2072683T3 (en) |
| HU (1) | HU213329B (en) |
| IL (1) | IL103672A (en) |
| MX (1) | MX9206419A (en) |
| MY (1) | MY108160A (en) |
| TR (1) | TR26301A (en) |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1325865A (en) * | 1919-12-23 | Vacuum-tube socket | ||
| FR938613A (en) * | 1943-01-14 | 1948-10-20 | Lampes Sa | Improvements to the bases and sockets of electric lamps and similar apparatus |
| DE8121528U1 (en) * | 1981-07-22 | 1982-11-18 | Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH, 8000 München | TWO-THREAD HALOGEN BULB FOR MOTOR VEHICLE HEADLIGHTS |
| US5222803A (en) * | 1989-12-01 | 1993-06-29 | Trw United Carr Gmbh & Co. | Lamp holder or socket to receive an incandescent lamp bulb |
| DE9006680U1 (en) * | 1990-06-13 | 1990-08-23 | Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH, 81543 München | Socket for a halogen lamp |
-
1991
- 1991-11-09 DE DE4136868A patent/DE4136868A1/en not_active Withdrawn
-
1992
- 1992-11-06 IL IL10367292A patent/IL103672A/en not_active IP Right Cessation
- 1992-11-06 TR TR92/1082A patent/TR26301A/en unknown
- 1992-11-06 BR BR929204336A patent/BR9204336A/en not_active IP Right Cessation
- 1992-11-06 MX MX9206419A patent/MX9206419A/en unknown
- 1992-11-06 ES ES92119026T patent/ES2072683T3/en not_active Expired - Lifetime
- 1992-11-06 CZ CS923335A patent/CZ283366B6/en not_active IP Right Cessation
- 1992-11-06 DE DE59202232T patent/DE59202232D1/en not_active Expired - Lifetime
- 1992-11-06 EP EP92119026A patent/EP0542146B1/en not_active Expired - Lifetime
- 1992-11-06 AT AT92119026T patent/ATE122819T1/en active
- 1992-11-09 US US07/972,022 patent/US5391093A/en not_active Expired - Lifetime
- 1992-11-09 MY MYPI92002020A patent/MY108160A/en unknown
- 1992-11-09 JP JP4298804A patent/JP2833942B2/en not_active Expired - Lifetime
- 1992-11-09 HU HU9203504A patent/HU213329B/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| DE4136868A1 (en) | 1993-05-13 |
| US5391093A (en) | 1995-02-21 |
| MX9206419A (en) | 1993-10-01 |
| BR9204336A (en) | 1993-05-18 |
| JPH05217565A (en) | 1993-08-27 |
| CZ333592A3 (en) | 1993-05-12 |
| ATE122819T1 (en) | 1995-06-15 |
| HU9203504D0 (en) | 1993-03-01 |
| JP2833942B2 (en) | 1998-12-09 |
| IL103672A (en) | 1996-01-19 |
| MY108160A (en) | 1996-08-30 |
| DE59202232D1 (en) | 1995-06-22 |
| EP0542146A1 (en) | 1993-05-19 |
| ES2072683T3 (en) | 1995-07-16 |
| TR26301A (en) | 1995-03-15 |
| CZ283366B6 (en) | 1998-03-18 |
| HU213329B (en) | 1997-05-28 |
| HUT63015A (en) | 1993-06-28 |
| IL103672A0 (en) | 1993-04-04 |
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