EP0783172B1 - Transformateur, en particulier pour un dispositif de commande d'un appareil de chauffage - Google Patents

Transformateur, en particulier pour un dispositif de commande d'un appareil de chauffage Download PDF

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Publication number
EP0783172B1
EP0783172B1 EP96120237A EP96120237A EP0783172B1 EP 0783172 B1 EP0783172 B1 EP 0783172B1 EP 96120237 A EP96120237 A EP 96120237A EP 96120237 A EP96120237 A EP 96120237A EP 0783172 B1 EP0783172 B1 EP 0783172B1
Authority
EP
European Patent Office
Prior art keywords
transformer
housing
cover plate
contacts
plug
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
Application number
EP96120237A
Other languages
German (de)
English (en)
Other versions
EP0783172A2 (fr
EP0783172A3 (fr
Inventor
Klaus Krieger
Arne Deseyve
Markus Koenig
Berthold Pflomm
Herbert Rehfuss
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.)
Robert Bosch GmbH
Original Assignee
Robert Bosch GmbH
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 Robert Bosch GmbH filed Critical Robert Bosch GmbH
Publication of EP0783172A2 publication Critical patent/EP0783172A2/fr
Publication of EP0783172A3 publication Critical patent/EP0783172A3/fr
Application granted granted Critical
Publication of EP0783172B1 publication Critical patent/EP0783172B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00—Details of transformers or inductances, in general
    • H01F27/28—Coils; Windings; Conductive connections
    • H01F27/29—Terminals; Tapping arrangements for signal inductances
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00—Details of transformers or inductances, in general
    • H01F27/02—Casings

Definitions

  • the invention relates to a transformer, in particular for a control unit of a heater, according to the preamble of Main claim and one with such a transformer equipped control unit.
  • Transformers are known whose connections are shaped of tabs, however, because they are not direct are plugged into the circuit board, with additional Cable plug connections for electrical contacting need to be added. Such transformers sit especially for heaters outside the control unit or are screwed to the housing of the control unit.
  • DE-A1-33 21 721 describes a transformer with a Housing and a cover plate known in the Connection pins for contacting a circuit board are ordered.
  • the housing also has two protrusions on a spaced resting of the cover plate of the Realize the housing on the PCB. Both ledges are formed on the edge of the housing.
  • a transformer housing consisting of two parts, the is attached to a circuit board with locking elements from DE 86 28 266 U1.
  • the transformer with the features of the main claim has the advantage that the trained as plug contacts Connections are stabilized by a cover plate and therefore be plugged directly onto the circuit board can. This creates a compact structure that is suitable for cramped space like in a control unit Suitable heater. Furthermore, the item and Installation costs by saving on cables and plugs reduced.
  • the guide pins are longer than the plug contacts executed and reach into corresponding openings in the PCB or in a housing part. This is achieved that when plugging in a precise position and a straight insertion movement is guaranteed.
  • the Cover plate has a sealing lip with which a Control unit surrounding housing can be sealed.
  • This sealing lip is advantageously a circumferential one Edge trained.
  • a simple assembly results if the sealing lip is in has a direction opposite to the connections.
  • the transformer can then be placed in a wall of the control unit comprehensive housing be embedded, the Apply sealing lip from the inside to this housing wall.
  • a transformer according to the invention can be advantageous Way used for a control unit of a heater become.
  • the transformer then preferably penetrates one Side of a housing comprising the control unit and is electrically connected to the circuit board.
  • that condensed water penetrates into the control unit is with a sealing lip surrounding the transformer Penetration area of the housing sealed.
  • Figure 1 shows a transformer according to the invention from the side partially cut along the line I-I in Figure 2
  • Figure 2 the transformer in an oblique view
  • Figure 3 a transformer built into a housing.
  • a transformer 10 is shown with a Housing 12 and one surrounded by a sealing compound 14 Coil body 16. With the coil body 16 there are connections 18 connected, which are passed through the housing 12.
  • connections 18 are, as can be seen in particular in FIG is formed as a needle-shaped plug contacts 20, the a cover plate which closes the housing 12 on one side 22 are included. Within the housing 12 are the Plug contacts 20 continued to the bobbin 16 and embedded in the sealing compound 14.
  • the cover plate 22 engages over the housing 12 at the edges and is fixed to it, for example by gluing connected.
  • the cover plate 22 can also be in one piece the housing 12 may be integrally formed when the entire housing is produced, for example, in an injection molding process.
  • the cover plate 22 has the plug contacts 20 surrounding surveys 24 (Figure 2).
  • Figure 1 is as Alternative to the comprehensive surveys 24 one each Elevation 26 resting on one side on the plug contacts 20 shown. Elevations 24 and 26, respectively, two Adjacent plug contacts 20 are via a web 28 connected with each other.
  • plug contacts 20 extend parallel to the Plug contacts 20 molded onto the cover plate 22 Guide pin 30, which are larger in their longitudinal extent than the plug contacts 20 and thus protrude beyond them. Also extend arranged next to the plug contacts 20 also parallel in the direction of the plug contacts mushroom-shaped locking means 32. At the upper end of the locking means 32 a run-on slope 34 is integrally formed into a collar 36 transforms. Starting from the upper end, the locking means 32 provided with a gap 38 ( Figure 2) which is pointed downwards can run up. The distance of the collar 36 from the Cover plate 22 is larger by the dimension 40 than the size of the Surveys 24 and 26.
  • the cover plate 22 has a peripheral edge 42 which receives a seal 43.
  • the seal 43 has the shape one extending outward relative to the Send plug contacts pointing in the opposite direction Sealing lip 44 on.
  • FIG. 3 shows a control device 46 with a Housing 48, which has a rear wall 50 and at least receives a circuit board 52.
  • a transformer 10 according to the invention, whose plug contacts 20 from one on the circuit board 52nd arranged socket strip 54 are added.
  • the circuit board 52 extend Guide pin 30 and the mushroom-shaped locking means 32 (in Figure 3 drawn rotated by 90 °).
  • the sealing lip 44 lies on the inside of the rear wall 50.
  • the Printed circuit board 52 on the elevations 24 and 26 respectively.
  • the circuit board 52 is in the housing 48 fixed and then the transformer 10 on the circuit board 52 attached.
  • the guide pins 30 grip first in corresponding openings in the circuit board 52 before the Plug contacts 20 in the receptacles in the socket strip 54 to grab.
  • the insertion process is finished when the PCB rests on the surveys 24 and 26 and the Locking means 32 are engaged.
  • the webs 28 and the Elevations 24 and 26 serve as spacers between the Transformer 10 and the circuit board 52 and the dimension 40 is equal to the thickness of the circuit board 52, so that a safe Locking the locking means 32 is guaranteed.
  • the Rear wall 50 To the Closing the housing 48 of the control unit 46 is the Rear wall 50, which has a recess corresponding to the contour of the Transformer has been pushed on until the rear wall 50 abuts the peripheral edge 42 of the transformer 10. In this position is the rear wall 50 by not illustrated fasteners such as screws, clamps or the like locked. The sealing lip 44 rests on the Rear wall 52 and prevents intrusion of Liquids.

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Control Of Resistance Heating (AREA)
  • Connector Housings Or Holding Contact Members (AREA)
  • General Induction Heating (AREA)
  • Housings And Mounting Of Transformers (AREA)
  • Central Heating Systems (AREA)

Claims (7)

  1. Transformateur notamment pour un appareil de commande d'un appareil de chauffage comprenant un corps de bobine entouré par un boítier (12) et muni de branchements (18) de contact électrique traversant le boítier (12), muni d'une plaque de recouvrement (22) recevant les moyens de branchement (18) en forme de broches de contact (20), traversant le boítier (12) au niveau de la plaque de recouvrement (22),
    caractérisé en ce que
    la plaque de recouvrement (22) comporte des moyens (24, 26) de blocage des broches de contact (20) réalisés sous la forme de bossages (24) entourant les broches de contact (20) ou de bossages (26) appliqués contre les broches de contact (20),
    les bossages de chaque fois deux broches de contact (20) voisines sont reliés par une nervure (28), et les nervures (28) avec les bossages constituent la surface d'appui du transformateur contre toute plaque de circuit imprimé servant au contact ou tout appareil à mettre en contact, et
    la plaque de recouvrement (22) comporte des broches de guidage (30), les moyens de fixation (24, 26), les bossages (24), les nervures (28) et les broches de guidage (30) se trouvant sur le côté tourné vers l'extérieur de la plaque de recouvrement (22), et
    la partie des broches de guidage (30) qui dépassent vers l'extérieur est plus longue que la partie des broches de contact (20) dépassant également vers l'extérieur.
  2. Transformateur selon la revendication 1,
    caractérisé en ce que
    les broches de contact (20) sont noyées dans la masse coulée (14) qui entoure le corps de bobine (16).
  3. Transformateur selon la revendication 1,
    caractérisé en ce que
    la plaque de recouvrement (22) comporte un joint (43) en forme de lèvre d'étanchéité (44).
  4. Transformateur selon la revendication 3,
    caractérisé en ce que
    la lèvre d'étanchéité (44) formée sur un bord périphérique (42) entouré le contour extérieur du transformateur (10).
  5. Transformateur selon les revendications 3 ou 4,
    caractérisé en ce que
    la lèvre d'étanchéité (44) est dirigée dans une direction opposée à celle des broches de contact (18).
  6. Appareil de commande pour un appareil de chauffage comprenant un boítier et au moins une plaque de circuit imprimé.
    caractérisé en ce qu'
    un côté (50) du boítier (48) est traversé par un transformateur (10) selon l'une des revendications précédentes, ce transformateur étant relié électriquement à la plaque de circuit imprimé (52).
  7. Appareil de commande selon la revendication 6,
    caractérisé en ce que
    le transformateur (10) est rendu étanche dans sa zone de passage par une lèvre d'étanchéité (44) mise en forme.
EP96120237A 1996-01-03 1996-12-17 Transformateur, en particulier pour un dispositif de commande d'un appareil de chauffage Expired - Lifetime EP0783172B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19600083A DE19600083A1 (de) 1996-01-03 1996-01-03 Transformator, insbesondere für ein Steuergerät eines Heizgerätes
DE19600083 1996-01-03

Publications (3)

Publication Number Publication Date
EP0783172A2 EP0783172A2 (fr) 1997-07-09
EP0783172A3 EP0783172A3 (fr) 1997-10-22
EP0783172B1 true EP0783172B1 (fr) 2002-04-10

Family

ID=7782101

Family Applications (1)

Application Number Title Priority Date Filing Date
EP96120237A Expired - Lifetime EP0783172B1 (fr) 1996-01-03 1996-12-17 Transformateur, en particulier pour un dispositif de commande d'un appareil de chauffage

Country Status (4)

Country Link
EP (1) EP0783172B1 (fr)
AT (1) ATE216123T1 (fr)
DE (2) DE19600083A1 (fr)
TR (1) TR199601071A2 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10342483A1 (de) * 2003-09-15 2005-04-07 Robert Bosch Gmbh Bauelemente-Halter
ES2716602T3 (es) 2013-06-10 2019-06-13 Schneider Electric Solar Inverters Usa Inc Sistema electrónico y método para formar el mismo

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4112481A (en) * 1977-05-05 1978-09-05 Wescom, Inc. Miniature multi-impedance transformer module
DE3236575A1 (de) * 1982-10-02 1984-04-05 Viessmann Werke Kg, 3559 Allendorf Steuer- und regelungsgeraet fuer heizungsanlagen
DE3321721A1 (de) * 1983-06-16 1984-12-20 Vogt Gmbh & Co Kg, 8391 Erlau Universal-vergussgehaeuse fuer ringkerndrosseln bzw. ringkerntransformatoren
DE8628266U1 (fr) * 1986-10-23 1987-03-12 Lorenzen, Klaus, 7160 Gaildorf, De
US5281154A (en) * 1992-11-24 1994-01-25 Molex Incorporated Electrical connector assembly with printed circuit board layout

Also Published As

Publication number Publication date
EP0783172A2 (fr) 1997-07-09
ATE216123T1 (de) 2002-04-15
TR199601071A2 (tr) 1997-07-21
DE19600083A1 (de) 1997-07-10
DE59609056D1 (de) 2002-05-16
EP0783172A3 (fr) 1997-10-22

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