EP0189593B1 - Dispositif à fiche pour un appareil électrique, en particulier un régleur thermostatique - Google Patents

Dispositif à fiche pour un appareil électrique, en particulier un régleur thermostatique Download PDF

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Publication number
EP0189593B1
EP0189593B1 EP85116556A EP85116556A EP0189593B1 EP 0189593 B1 EP0189593 B1 EP 0189593B1 EP 85116556 A EP85116556 A EP 85116556A EP 85116556 A EP85116556 A EP 85116556A EP 0189593 B1 EP0189593 B1 EP 0189593B1
Authority
EP
European Patent Office
Prior art keywords
contact members
contact
plug assembly
cap
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
EP85116556A
Other languages
German (de)
English (en)
Other versions
EP0189593A2 (fr
EP0189593A3 (en
Inventor
Friedrich Grüninger
Otmar Knobloch
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.)
Emerson Electric GmbH and Co OHG
Original Assignee
Emerson Electric GmbH and Co OHG
Emerson Electric 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 Emerson Electric GmbH and Co OHG, Emerson Electric GmbH filed Critical Emerson Electric GmbH and Co OHG
Priority to AT85116556T priority Critical patent/ATE71769T1/de
Publication of EP0189593A2 publication Critical patent/EP0189593A2/fr
Publication of EP0189593A3 publication Critical patent/EP0189593A3/de
Application granted granted Critical
Publication of EP0189593B1 publication Critical patent/EP0189593B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H37/00—Thermally-actuated switches
    • H01H37/02—Details
    • H01H37/04—Bases; Housings; Mountings
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H1/00—Contacts
    • H01H1/58—Electric connections to or between contacts; Terminals

Definitions

  • the invention relates to a connector arrangement for an electrical device, in particular a thermostatic controller, with the features of the preamble of claim 1.
  • a plate-shaped part designed in the manner of a cover cap is fitted onto the cylindrical connecting wires of an electrical overtemperature fuse and is intended for insertion into an associated plug-in coupling part containing separate contact elements.
  • the connecting wires forming the contact members are cranked into an elongated U-shape in the elongated wall openings of the plate-shaped part, so that protruding areas of these offsets form exposed contact surface areas for the contact elements of the associated plug-in coupling part.
  • thermostatic controllers it is common (DE-A-27 24 527) to arrange the snap switch or switches on a ceramic base and to connect the switch contacts to contact members which are made in the manner of the usual flat plug (6.3 x 0.8 mm DIN 46 244) are formed and attached to the ceramic base. Since at least two, usually three or more such flat plugs are required for the electrical connection, a corresponding number of differently shaped sheet metal parts are obtained during manufacture, which are generally punched out of 0.8 mm MS sheet metal. The manufacture and assembly of these parts on the ceramic base are therefore relatively complex.
  • the object of the invention is therefore to provide a connector arrangement for an electrical device, in particular a thermostatic controller, which is characterized on the one hand by a simple, closely tolerated possibility of manufacturing and installing the contact elements, and on the other hand allows a mechanical connection of a flat plug plug-in coupling part, without having to resort to the printed circuit boards contacted at the end or their own adapters.
  • the strip-like connecting part has suitable dimensions for attaching a plug-in coupling part intended for lateral connection to printed circuit board contacts.
  • the contact members can have a smaller thickness than the connecting part of the cover cap, which in practice means that the contact members can be punched out, for example, in the thickness of 0.8 mm standardized for flat plugs according to DIN 46 244, without having to connect one for the end Contacted printed circuit boards equipped flat plug coupling parts additional metal supports or the like. would be required.
  • the strip-like connector has the required thickness for the connection of the plug-in coupling part of 1.5 mm, as is customary for printed circuit boards, so that a perfect fit of the plug-in coupling part on the connecting part of the cover cap and, at the same time, perfect contact with the contact members are ensured.
  • the contact members can be enclosed on all sides by the cover cap up to the contact surface areas, while the wall openings can also be formed only in one wall of the connection part of the cover cap, which results in similar conditions as when connecting the plug-in coupling part to a printed circuit board printed on one side.
  • the cover cap can have insulating webs between adjacent contact members and electrically isolating them from one another, which are made of plastic material on the one Cover cap are integrally formed.
  • the contact members can be curved and clamped frictionally or positively against adjacent wall parts of the cover cap in order to ensure that the cover cap and thus also the plugged onto it are firmly seated in a captive manner To ensure plug coupling part.
  • the cover cap can also be used directly for coding the line connection in that its wall openings are arranged in a distributed manner in accordance with a predetermined code.
  • This code determines which of the adjacent contact members are connected to electrical lines of the plug-in coupling part via assigned wall openings of the cover cap and which contact members remain insulated by the cover cap against the assigned contact elements of the plug-in coupling part.
  • At least one contact element can also be completely covered and insulated by the cover plate in the context of this coding, so that it is not electrically connected to a connecting line via the plug-in coupling part.
  • the cover cap one for mechanical handling and a tight fit of the plug-in coupling part
  • it may be appropriate that it has a molded base that is free of wall openings and with which it can be connected to the base part carrying the contact members.
  • the contact elements are parts of an initially one-piece stamped sheet metal part that is on the whole as a whole Base part is mounted and from which the contact members are formed after assembly by punching out predetermined intermediate pieces.
  • the contact members initially connected in the one-piece sheet metal stamped part have the relatively small tolerances of such a stamped part.
  • the assembly of this one stamped sheet metal part on the insulating base part is considerably easier compared to the assembly of three individual contact members, and on top of that the connected contact members cannot change their mutual position during assembly. It is only on the assembly line that the contact members are separated from one another by punching out the intermediate pieces, onto which only the cover cap then needs to be attached, in order for one in particular mechanical connection of a circuit board flat plug coupling part to create a suitable plug arrangement.
  • the one-piece sheet metal stamped part can be designed in such a way that differently designed contact members, in particular standard-compliant flat plugs (DIN 46 244, 46 248), can be formed by punching out differently designed intermediate pieces.
  • differently designed contact members in particular standard-compliant flat plugs (DIN 46 244, 46 248), can be formed by punching out differently designed intermediate pieces.
  • the thermostatic controller shown schematically in FIG. 3 has an essentially rectangular, plate-like, ceramic base part 1, on which an electrical snap switch 2 is arranged, the switch tongue of which is designated 3 and which is fastened at 4 to the base part 1.
  • the switching tongue 3 carries a contact piece 5, which can optionally engage with an upper and a lower fixed contact, of which the upper contact is illustrated at 6 in FIG. 6.
  • the upper contact 6 is fastened to a cranked contact carrier arm 7, which in turn is molded onto a flat part 8 which is riveted to the base part 1.
  • two flat contact tabs 9, 10 are fastened on the base part 1 at a distance, of which the contact tab 9 is connected at 4 to the snap switch 2 and the contact tab 10 cooperates with the contact piece 5 of the tongue 3 (not shown further) lower contact piece carries.
  • contact members in the form of flat plugs 11, 11a (6.3 x 0.8 mm, DIN 46 244) are formed, which lie in a common horizontal plane above the associated side edge of the Protruding base part 1.
  • the flat plug 11a is indicated by dashed lines in FIG. 3. It can be cut away if all that matters is an on-off function of the snap switch 2.
  • a sheet metal part 12 is attached on the opposite side of the tabs 11, 11a, which carries a pivotally mounted transmission lever 14 at 13, which acts on the switching tongue 3 at 15 and whose actuation takes place through a diaphragm socket 16, which on the Sheet metal part 12 is arranged below the transmission lever 14.
  • the membrane box 16 is connected via a capillary tube 17 to a temperature sensor, not shown.
  • the contact tabs 9, 10 and the contact carrier arm 7, like the flat connectors 11, 11a, are parts of a one-piece stamped sheet metal part 18 before assembly, as shown in FIG. 1.
  • This stamped part is punched out of 0.5, 0.8 or 1.2 mm thick sheet brass in the outline shape according to FIG. 1 and pre-bent with the contact carrier arm 7 standing at a distance above the contact tab 10.
  • the sheet metal stamped part 18 is designed in such a way that, following the assembly state according to FIG. 2, the differently designed intermediate pieces, designated by 20 in FIG. 1 and shown in broken lines, can also be punched out from it by appropriate selection of the punching tools.
  • narrow contact members 21 connected to the two contact tabs 9, 10 and the flat part 8 are formed, which in the manner shown in FIG. 4 protrude from one another in a common horizontal plane at a distance from one another over an adjacent side edge of the base part 1.
  • a cover made of insulating plastic material 22 is pushed (Fig. 5,6), which has a substantially strip-like, parallel-flanked connection part 23 of rectangular cross-sectional shape.
  • the flat connecting part 23 is followed by a reinforced, also strip-like base 24, which is supported against corresponding shoulders 25 of the contact tabs 9, 10.
  • the flat connecting part 23 has a continuous thin, lower wall 26, to which two side walls 27 and a top wall 28 connect are connected to each other by an end wall 29 in such a way that the flat contact members 21 are enclosed on all sides by the plastic material of the cover cap 22.
  • the dimensions of the flat connecting part 23 are chosen such that a flat plug coupling part indicated at 33 in FIG. 5 can be plugged on and is held captively in the plugged-on state.
  • the flat plug coupling part 33 is a coupling part standardized for producing a plug connection in the case of printed circuit boards contacted on the edge, which carries resilient contact elements 34 arranged in a 5 mm grid, which are connected to the conductors of a ribbon cable 35 in a manner known per se.
  • the slot-like wall openings 31 are dimensioned and arranged such that when the plug-in coupling part 33 is plugged onto the connecting part 23, its contact elements 34 rest on the contact surface regions 32 of the contact members 21 and make electrical contact with them.
  • the cover cap 22 can be coded in the area of the connecting part 23 in that the wall openings 31 are arranged distributed according to a predetermined code. 5, this means that either all three wall openings 31 shown can be present or only two wall openings or even one wall opening - each in a different arrangement - can be present, whereby an electrical connection with the contact members 21 is only established in accordance with the predetermined code becomes. A further coding and at the same time a protection against rotation are made possible by the respective outer shape of the connecting part 23.
  • the base 24 of the cover cap 22 is then designed in the manner shown in FIG. 5 in such a way that the plug-in coupling part 33 is securely seated on the connecting part 23.
  • the contact elements 21 having a smaller thickness (0.8 mm) than the connecting part 23 (1.5 mm), as can be seen from FIG. 6, are slightly curved, so that there is a frictional jamming of the contact members 21 with the cover cap which has been pushed on 22 results.
  • a positive locking connection can be provided so that unintentional removal of the cover cap 22 is excluded.
  • the sheet-metal stamped part 18 is punched out of 0.8 mm brass sheet, then in the case of the controller which is partially preassembled in accordance with FIG (Fig. 3) or a connector assembly with the contact members 21 shown in FIG. 4.
  • the contact members 21 are thinner than a printed circuit board (1.5 mm), but the thickness dimension (1.5 mm) required for the connection of the flat plug coupling part 33 is produced according to a printed circuit board by the connecting part 23 of the cover cap 22.
  • the connector arrangement was described above using a temperature controller. It goes without saying that it can in principle also be used in a corresponding manner for other electrical devices in which the electrical line connection is made via flat plugs.

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Coupling Device And Connection With Printed Circuit (AREA)
  • Connector Housings Or Holding Contact Members (AREA)
  • Details Of Connecting Devices For Male And Female Coupling (AREA)

Claims (13)

  1. Dispositif à fiches de branchement pour un appareil électrique, en particulier un mécanisme de régulation thermostatique, comportant une partie formant socle en matériau isolant, sur le côté de laquelle font saillie au moins deux éléments de contact (21) électroconducteurs disposés côte à côte dans un plan commun, sur lesquels est enfilé un capot (22) aplati, en matériau isolant, qui couvre en grande partie les éléments de contact (21), à l'exception de parties de surface de contact (32) qui sont laissées libres par des ouvertures (31) correspondantes de la paroi du capot (22), les ouvertures (31) de la paroi étant disposées dans une partie de branchement (23) du capot (22) aménagée pour le branchement avec un élément enfichable (33) associé comportant des éléments de contact (34) séparés, caractérisé en ce que les éléments de contact (21) sont plats et en ce que les ouvertures (31) de la paroi en forme de fentes parallèles sont situées au-dessus des éléments de contact concernés, sur le grand côté desquels sont formées des parties de surface de contact en forme de bande délimitées par les ouvertures (31) de la paroi en forme de fentes parallèles.
  2. Dispositif à fiches de branchement selon la revendication 1 caractérisé en ce que la partie de branchement (23) en forme de bande a des dimensions adaptées pour le branchement par enfichage d'un élément enfichable prévu pour le branchement sur le côté avec des contacts de circuit imprimé.
  3. Dispositif à fiches de branchement selon la revendication 1 ou 2 caractérisé en ce que les éléments de contact (21) ont une épaisseur plus faible que la partie de branchement (23).
  4. Dispositif à fiches de branchement selon la revendication 3 caractérisé en ce que les éléments de contact (21) sont entourés de tous les côtés par le capot (22), à l'exception des parties de surface de contact (32).
  5. Dispositif à fiches de branchement selon l'une des revendications précédentes caractérisé en ce que les ouvertures de la paroi (31) sont aménagées uniquement dans une paroi (28) de la partie de branchement (23) du capot (22).
  6. Dispositif à fiches de branchement selon l'une des revendications précédentes caractérisé en ce que le capot (22) présente, entre des éléments de contact (21) voisins, des parois isolantes (30) isolant électriquement ceux-ci entre eux.
  7. Dispositif à fiches de branchement selon la revendication 3 caractérisé en ce que les éléments de contact (21) sont bombés et sont appliqués avec contrainte, par frottement ou par conjugaison de forme, contre les parties de paroi voisines du capot (22).
  8. Dispositif à fiches de branchement selon l'une des revendications précédentes caractérisé en ce que les ouvertures (31) de la paroi sont distribuées suivant un code prédéterminé.
  9. Dispositif à fiches de branchement selon la revendication 8 caractérisé en ce qu'au moins un élément de contact (21) est entièrement couvert par le capot (22).
  10. Dispositif à fiches de branchement selon l'une des revendications précédentes caractérisé en ce que le capot (22) présente un socle (24) venu d'une pièce avec lui, qui ne comporte pas d'ouvertures.
  11. Dispositif à riches de branchement selon l'une des revendications précédentes caractérisé en ce que les éléments de contact (21) font partie d'une pièce découpée (18) d'abord monobloc qui est montée comme un tout sur la partie formant socle (1) et dans laquelle sont ensuite formés les éléments de contact (21) par découpe, après montage, de certaines parties intermédiaires (20).
  12. Dispositif à fiches de branchement selon la revendication 11 caractérisé en ce que la pièce découpée en tôle (18) a une forme telle, que par découpage de parties intermédiaires (19) de forme différente, on peut réaliser au choix des éléments de contact différents, par exemple des riches plates (11, 11a) normalisées.
  13. Dispositif à riches de branchement selon l'une des revendications précédentes caractérisé en ce qu'il comporte une liaison par encliquetage à complémentarité de forme entre les éléments de contact (21) et le capot (22).
EP85116556A 1985-01-29 1985-12-24 Dispositif à fiche pour un appareil électrique, en particulier un régleur thermostatique Expired - Lifetime EP0189593B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT85116556T ATE71769T1 (de) 1985-01-29 1985-12-24 Anschlusssteckeranordnung fuer ein elektrisches geraet, insbesondere einen thermostatischen regler.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3502794 1985-01-29
DE19853502794 DE3502794A1 (de) 1985-01-29 1985-01-29 Anschlusssteckeranordnung fuer ein elektrisches geraet, insbesondere einen thermostatischen regler

Publications (3)

Publication Number Publication Date
EP0189593A2 EP0189593A2 (fr) 1986-08-06
EP0189593A3 EP0189593A3 (en) 1988-10-05
EP0189593B1 true EP0189593B1 (fr) 1992-01-15

Family

ID=6260985

Family Applications (1)

Application Number Title Priority Date Filing Date
EP85116556A Expired - Lifetime EP0189593B1 (fr) 1985-01-29 1985-12-24 Dispositif à fiche pour un appareil électrique, en particulier un régleur thermostatique

Country Status (3)

Country Link
EP (1) EP0189593B1 (fr)
AT (1) ATE71769T1 (fr)
DE (2) DE3502794A1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4003745A1 (de) * 1990-02-08 1991-08-14 Ego Elektro Blanc & Fischer Schaltgeraet
GB2315161B (en) * 1996-07-10 2000-10-11 Otter Controls Ltd Improvements relating to thermally responsive electric switches
DE10002625B4 (de) * 2000-01-22 2010-03-11 E.G.O. Elektro-Gerätebau GmbH Verfahren zur Herstellung eines Schaltgerätesockels
CN100530854C (zh) * 2007-12-29 2009-08-19 山东省科学院海洋仪器仪表研究所 温控器测试连接器

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH274069A (de) * 1948-01-29 1951-03-15 Sigfrid Nilsson Karl Alvar Schutzvorrichtung für Steckkontakte.
DE2724527A1 (de) * 1977-05-31 1978-12-14 Emerson Electric Gmbh Temperaturregler
FR2408905A1 (fr) * 1977-11-10 1979-06-08 Neiman Sa Dispositif de connexion
DE2841114C3 (de) * 1978-09-21 1981-11-12 Norbert 5275 Bergneustadt Weiner Thermische Sicherung für elektrische Geräte

Also Published As

Publication number Publication date
EP0189593A2 (fr) 1986-08-06
ATE71769T1 (de) 1992-02-15
DE3585224D1 (de) 1992-02-27
EP0189593A3 (en) 1988-10-05
DE3502794A1 (de) 1986-07-31

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