EP0822563B1 - Zündgerät für eine Gasentladungslampe in einem Kraftfahrzeug - Google Patents
Zündgerät für eine Gasentladungslampe in einem Kraftfahrzeug Download PDFInfo
- Publication number
- EP0822563B1 EP0822563B1 EP97111241A EP97111241A EP0822563B1 EP 0822563 B1 EP0822563 B1 EP 0822563B1 EP 97111241 A EP97111241 A EP 97111241A EP 97111241 A EP97111241 A EP 97111241A EP 0822563 B1 EP0822563 B1 EP 0822563B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- housing
- transformer
- gas discharge
- discharge lamp
- conical
- 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
- 238000009413 insulation Methods 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 5
- 230000015572 biosynthetic process Effects 0.000 claims description 4
- 238000006073 displacement reaction Methods 0.000 claims description 4
- 229920001296 polysiloxane Polymers 0.000 claims description 3
- 239000007858 starting material Substances 0.000 claims 9
- 238000004382 potting Methods 0.000 description 8
- 239000004831 Hot glue Substances 0.000 description 2
- 238000004026 adhesive bonding Methods 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000002955 isolation Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F38/00—Adaptations of transformers or inductances for specific applications or functions
- H01F38/08—High-leakage transformers or inductances
- H01F38/10—Ballasts, e.g. for discharge lamps
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F5/00—Coils
- H01F5/04—Arrangements of electric connections to coils, e.g. leads
-
- 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
- H05B41/04—Starting switches
- H05B41/042—Starting switches using semiconductor devices
Definitions
- the invention relates to an ignition device for a gas discharge lamp in one Motor vehicle that includes an ignition transformer which is an isolated one Has secondary connection line with a gas discharge lamp or Socket for a gas discharge lamp is electrically connected.
- Gas discharge lamps which are always used as headlight lamps in motor vehicles are used more often, in addition to a high operating voltage, which is made available by a control unit, also a very high one Ignition voltage generated by an igniter.
- Control unit and ignitor can either be a circuit Form a unit or two separate components, in which case the ignitor is aimed as close as possible to the Arrange gas discharge lamp because the insulation of the ignition pulses leading Secondary connecting line of the ignition transformer, for example opposite the other switching elements of the ignitor, due to the very high voltages from 20 - 30 kilovolts, is not without problems.
- German patent DE 42 31 538 C2 shows a housing body Motor vehicle headlight unit, in which the entire control circuit in one Housing chamber is cast in resin. Such an execution is very complex and also not without problems with regard to the insulating properties.
- FIG. 1 An embodiment of an igniter manufactured in series by the applicant, which has been installed in motor vehicles since ... is shown in FIG.
- this ignitor is the live secondary connection between the transformer housing and the equipment rack, which one Has cable entry to the lamp holder housing with a hot glue shed.
- Ignitors in which the potting area is insufficient after cooling voltage-proof must be reworked in a complex and expensive manner or be rejected as a committee, because of insufficient insulation by Sparking can be expected with a total failure of the ignitor soon.
- the invention has for its object to provide an ignitor in which the Isolation of the secondary connection line of the ignition transformer to one is done more cost-effectively and reliably.
- This task will solved according to the invention in that the secondary connection line from a flexible insulating spout is surrounded, the first end portion inside the Transformer housing is arranged and the second end section one conical formation which forms in the conical recess of a Device carrier is used.
- the grommet is an airtight connection between the ignition transformer and the Device carrier allows and even within their connection If there are air pockets, one is sufficient compared to the dimensions of one Potting block, relatively thin-walled sheath of the secondary connection line using a suitable insulating material. Has to manufacture the spout due to a number of particularly positive properties, such as high Dielectric strength, flexibility, good temperature resistance, the use proven of a silicone material.
- An airtight cable duct of the secondary connection cable from Ignition transformer to device carrier is also in a particularly simple manner achieved in that the second end portion of the spout is integrally a conical Has molding that in a likewise conical recess in Device carrier is used. It is particularly advantageous that this Connection between the grommet and the device carrier also in terms of assembly is particularly easy to carry out.
- the simplification of assembly also Brings a cost advantage.
- An additional grommet is required with the ignitor Ignition transformer is connected; compared to an igniter, according to which in the Figure 2 shown prior art, but both the cost of the Assembly step of the potting as well as the cost of the potting material saved.
- Another significant cost advantage is achieved in that Ignitor designed according to the invention also more reliable and therefore with a lower reject rate can be produced.
- the first end section of the spout has a collar has the opening for the secondary connection line in the transformer housing engages behind.
- This collar ensures a secure fit of the spout in the Transformer housing achieved and also the seal against air ingress improved. It is also extremely advantageous if the collar is designed as a collar End portion of the grommet is potted inside the transformer housing.
- a particularly simple connection between the conical shape of the Grommet and the conical recess in the equipment rack can be done by simple Press on take place, advantageously due to the shape of Forming and recess an airtight connection is secured, without additional support measures (e.g. gluing) being necessary.
- two molded onto the transformer housing can advantageously be used Webs are provided, the spout through a space between the Is passed through webs, and the webs the conical shape in the conical recess presses.
- the Secondary connection line for example with a lamp holder in the To create lamp holder housing can on the opposite side of the wall Device carrier, which has the conical recess Insulation displacement connectors are provided, which through the recess passes through the wire of the secondary connecting line, fixes and contacted.
- the equipment carrier the base plate for both Ignitor housing as well as for the lamp holder housing.
- the remaining components belonging to the igniter are thus also in the vicinity of the Ignition transformer arranged, which is particularly due to the invention achieved good isolation of the secondary connection line is not critical.
- FIG. 1 shows an igniter constructed in accordance with the invention.
- On Device carrier (16) forms the base plate for the igniter housing (12) and the lamp holder housing (8).
- the igniter housing (12) and Lamp carrier housing (8) final housing parts are here, as well as in the Figures 2 and 5 not shown.
- the igniter is connected via a connecting line (17) to a not shown Control unit connected, which provides the lamp operating voltage.
- the ignitor itself is used to generate the very high ignition voltage for the Lamp carrier housing arranged, not shown gas discharge lamp.
- the igniter consists of one connected to the device carrier (16) Printed circuit board (13) on which various components are arranged. For better The overview of these components is only the ignition transformer (1) shown.
- the very high ignition voltage is from the secondary connecting line (2) Ignition transformer (1) via a feedthrough in the equipment carrier (16) Insulation displacement connector (11) in the lamp holder housing (8), where the IDC connector (11), for example, with a socket Gas discharge lamp is contacted.
- FIG Technology the structure of an ignition device according to the prior art is shown in FIG Technology shown.
- the secondary connection line (2) not over an insulating spout, but together with one Forming (15) on the transformer housing (6), for example by means of a Hot glue mass, potted.
- FIG 3 shows the spout (3), which is essentially a close to the Secondary connecting cable forms adjacent insulating hose.
- the Spout (3) is preferably a flexible, high voltage resistant and temperature-resistant silicone material used.
- the spout (3) has a collar (4) at a first end section, which in the assembled state on the inner wall of the transformer housing and is potted inside the transformer housing.
- the second end section of the spout (3) is in the form of a cone (5) formed which in a likewise conical recess (7) in the Device carrier (16) (a section of the device carrier is shown here) is used becomes. Due to the conical shape on both sides, the projection (5) sits airtight in the recess (7).
- the equipment carrier (16) has a at the bottom of the conical recess (7) Opening, which as a passage (18) of the wire of the secondary connecting line to Lamp holder housing (8) is used.
- the wire is in the lamp holder housing (8) secured and contacted an insulation displacement connector (11).
- the recess (7) also serves as an insertion aid due to its cone shape.
- Figure 4 shows the external view of the transformer housing (6). Under the Opening (19) from which the fully assembled ignition transformer Secondary connection line is led out to the transformer housing (6) two webs (9) are formed, which form an intermediate space (10) between them, whose width is about the diameter of the spout in its central area corresponds.
- the grommet (3) is between the Passes webs (9) so that the conical shape (5) below the webs (9) is located.
- the transformer housing (6) is over two tabs (20) directly connected to the surface of the device carrier (16).
- the webs (9) of the Transformer housing (6) press on the brim of the conical Forming (5), which makes it firmly in the conical recess of the Device carrier (16) is pressed and fixed there. More extensive Fastening measures such as gluing the conical Moldings are advantageously not required.
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
- Vessels And Coating Films For Discharge Lamps (AREA)
- Connector Housings Or Holding Contact Members (AREA)
- Lighting Device Outwards From Vehicle And Optical Signal (AREA)
Description
- Figur 1
- eine erfindungsgemäß ausgestaltetes Zündgerät,
- Figur 2
- ein Zündgerät nach dem Stand der Technik,
- Figur 3
- die Tülle und den mit der Tülle zu verbindenden Abschnitt des Geräteträgers,
- Figur 4
- das Transformatorgehäuse,
- Figur 5
- eine Draufsicht auf das in der Figur 1 dargestellte Zündgerät.
Claims (7)
- Zündgerät für eine Gasentladungslampe in einem Kraftfahrzeug, das einen Zündtransformator (1) beinhaltet, welcher eine isolierte Sekundäranschlußleitung (2) besitzt, die mit einer Gasentladungslampe oder der Fassung für eine Gasentladungslampe elektrisch verbunden ist, wobei die Sekundäranschlußleitung (2) von einer flexiblen isolierenden Tülle (3) umgeben ist, deren erster Endabschnitt (4) im Inneren des Transformatorgehäuses (6) angeordnet ist, und deren zweiter Endabschnitt eine kegelförmige Anformung (5) ausbildet, welche in die kegelförmige Ausnehmung (7) eines Geräteträgers (16) eingesetzt ist.
- Zündgerät nach Anspruch 1, dadurch gekennzeichnet, daß der erste Endabschnitt der Tülle (3) einen Kragen (4) ausbildet, der die Tülle (3) im Inneren des Transformatorgehäuses (6) sichert.
- Zündgerät nach Anspruch 1, dadurch gekennzeichnet, daß die kegelförmige Anformung (5) des zweiten Endabschnitts der Tülle (3) in die kegelförmige Ausnehmung (7) des Geräteträgers (16) gedrückt wird.
- Zündgerät nach Anspruch 3, dadurch gekennzeichnet, daß das Transformatorgehäuse (6) Stege (9) aufweist, daß die Tülle (3) durch einen Zwischenraum (10) zwischen den Stegen (9) hindurchgeführt ist, und daß die Stege (9) die kegelförmige Anformung (5) in die kegelförmige Ausnehmung (7) des Geräteträgers (16) drücken.
- Zündgerät nach Anspruch 1, dadurch gekennzeichnet, daß die Tülle (3) aus einem Silikonmaterial besteht.
- Zündgerät nach Anspruch 1, dadurch gekennzeichnet, daß die Sekundäranschlußleitung (2) in einem Lampenträgergehäuse (8) durch einen Schneidklemmverbinder (11) gehalten wird.
- Zündgerät nach Anspruch 1, dadurch gekennzeichnet, daß der Geräteträger (16) die Grundplatte sowohl für das Zündgerätegehäuse (12) als auch für das Lampenträgergehäuse (8) ausbildet.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19631491A DE19631491A1 (de) | 1996-08-03 | 1996-08-03 | Zündgerät für eine Gasentladungslampe in einem Kraftfahrzeug |
DE19631491 | 1996-08-03 |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0822563A2 EP0822563A2 (de) | 1998-02-04 |
EP0822563A3 EP0822563A3 (de) | 1998-04-15 |
EP0822563B1 true EP0822563B1 (de) | 2001-03-14 |
Family
ID=7801770
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP97111241A Expired - Lifetime EP0822563B1 (de) | 1996-08-03 | 1997-07-04 | Zündgerät für eine Gasentladungslampe in einem Kraftfahrzeug |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP0822563B1 (de) |
AT (1) | ATE199795T1 (de) |
DE (2) | DE19631491A1 (de) |
ES (1) | ES2156321T3 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2005032219A1 (en) * | 2003-09-26 | 2005-04-07 | Vicious Power Pty Ltd | Arc lamp improvements |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19813292A1 (de) * | 1998-03-26 | 1999-09-30 | Hella Kg Hueck & Co | Anordnung zur hochspannungsfesten Isolierung mindestens eines Bauteiles |
DE29814725U1 (de) | 1998-08-17 | 1998-12-03 | Trilux-Lenze Gmbh + Co Kg, 59759 Arnsberg | Elektronisches Vorschaltgerät für Hochdrucklampen |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4019167A (en) * | 1975-05-19 | 1977-04-19 | Amerace Corporation | Encapsulated transformer |
DE3826688C1 (en) * | 1988-08-05 | 1989-10-12 | Gisma Steckverbinder Gmbh, 2350 Neumuenster, De | Electrical plug connection for operation under water |
JPH03136938A (ja) * | 1989-10-23 | 1991-06-11 | Nissan Motor Co Ltd | 車両用放電灯ヘッドランプ装置 |
DE4310307B4 (de) * | 1993-03-30 | 2004-10-14 | Robert Bosch Gmbh | Scheinwerfer für Fahrzeuge |
DE4333886A1 (de) * | 1993-10-05 | 1995-04-06 | Hella Kg Hueck & Co | Zündtransformator für eine Gasentladungslampe |
JP2785695B2 (ja) * | 1994-07-20 | 1998-08-13 | 住友電装株式会社 | コネクタ用防水シール |
-
1996
- 1996-08-03 DE DE19631491A patent/DE19631491A1/de not_active Withdrawn
-
1997
- 1997-07-04 ES ES97111241T patent/ES2156321T3/es not_active Expired - Lifetime
- 1997-07-04 AT AT97111241T patent/ATE199795T1/de not_active IP Right Cessation
- 1997-07-04 EP EP97111241A patent/EP0822563B1/de not_active Expired - Lifetime
- 1997-07-04 DE DE59703127T patent/DE59703127D1/de not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2005032219A1 (en) * | 2003-09-26 | 2005-04-07 | Vicious Power Pty Ltd | Arc lamp improvements |
Also Published As
Publication number | Publication date |
---|---|
EP0822563A3 (de) | 1998-04-15 |
ATE199795T1 (de) | 2001-03-15 |
DE59703127D1 (de) | 2001-04-19 |
ES2156321T3 (es) | 2001-06-16 |
DE19631491A1 (de) | 1998-02-05 |
EP0822563A2 (de) | 1998-02-04 |
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