EP0147293B1 - Elektrische Schaltvorrichtung - Google Patents
Elektrische Schaltvorrichtung Download PDFInfo
- Publication number
- EP0147293B1 EP0147293B1 EP84402585A EP84402585A EP0147293B1 EP 0147293 B1 EP0147293 B1 EP 0147293B1 EP 84402585 A EP84402585 A EP 84402585A EP 84402585 A EP84402585 A EP 84402585A EP 0147293 B1 EP0147293 B1 EP 0147293B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- switching device
- contact element
- fixed contact
- contact elements
- elements
- 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
Links
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H1/00—Contacts
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H1/00—Contacts
- H01H1/12—Contacts characterised by the manner in which co-operating contacts engage
- H01H1/36—Contacts characterised by the manner in which co-operating contacts engage by sliding
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H1/00—Contacts
- H01H1/12—Contacts characterised by the manner in which co-operating contacts engage
- H01H1/36—Contacts characterised by the manner in which co-operating contacts engage by sliding
- H01H1/40—Contact mounted so that its contact-making surface is flush with adjoining insulation
- H01H1/403—Contacts forming part of a printed circuit
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/10—Adaptation for built-in fuses
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H85/00—Protective devices in which the current flows through a part of fusible material and this current is interrupted by displacement of the fusible material when this current becomes excessive
- H01H85/02—Details
- H01H85/20—Bases for supporting the fuse; Separate parts thereof
- H01H2085/2085—Holders for mounting a fuse on a printed circuit
Definitions
- the present invention relates to an electrical switching device comprising at least two stationary contact elements constituted by elongated conductive parts, folded to have the general shape of a U and implanted in a printed circuit board so as to be each in electrical contact with a conductive track of the plate, and a movable contact element disposed on translation means displacing, on command, the contact element perpendicular to its length.
- the prior documents FR-A-2 461 980, DE-A-2 657 546 and DE-A-2 403 108 describe electrical switching elements comprising stationary contact elements which are elongated conductive parts, folded to have the shape general of a U and located in a printed circuit board, so as to be each in electrical contact with a conductive track carried by the board.
- the movable contact element moves perpendicular to the plane of the stationary contact elements.
- the switching device is characterized in that the movable contact element is moved in the plane of the stationary contact elements and in that the translation means comprise a cursor arranged on a slide and carrying the movable contact, stop means being provided to define precise stop positions of the cursor.
- the stop means comprise a rack integral with the slide cooperating with a ball pushed by a spring and carried by the slider.
- the slide can be a molded part attached to the printed circuit board and comprising at least one imprint ending in perforations, arranged so as to receive one of the stationary contact elements which will pass through the slide to be implanted in said plate.
- each stationary contact element is a section of wire, strip or profile, made at least in part of a conductive metal such as copper or a copper alloy.
- Each stationary contact element can be placed on the printed circuit board by an automatic implantation machine for components and soldered like these, for example by wave soldering.
- each stationary contact element is coated, at least where the movable contact element comes to rest, with a precious metal such as silver or an alloy of this metal.
- At least two stationary contact elements are arranged side by side and in that the movable contact element is an elastic contact blade which is subdivided into two strips by a partial longitudinal slot, the respective dimensions being such that each strip is supported independently of the other on one of the stationary contact elements.
- Figure 1 shows a stationary contact element 1 designed in accordance with the present invention.
- This stationary contact element 1 is a section of copper wire bent to have the general shape of a U and comprising two legs 2 and 3 which pass through a printed circuit board 4, by perforations 5 and 6 made in this plate 2 , and the ends 7 and 8 of which are folded inwards and taken up in drops of solder 9, 10 secured to welding platforms 11, 12.
- the stationary contact element is thus mechanically fixed to the plate 4. It is electrically connected to a printed circuit track comprising, for example, the platform 11.
- the plate 4 is seen in section to the right of the element 1 and we also see in the figure a support element 13 also seen in section at this location.
- the surface opposite to the plate 4 of this support element 13 is in fact an open angle formed by slightly inclined ramps 14 and 15.
- the contact element takes on such a shape, the utility of which will be seen later.
- Such a stationary contact element can be easily produced using an automatic component implantation machine provided with the appropriate settings and supplied with wire of appropriate diameter.
- the machine cuts a section, folds it into a U, presses it against the support element 13 and folds the ends 7 and 8. It is no more and no less than a strap, component that the machine is intended to set up like the other components, and which will later be welded with these in a wave welding machine.
- Figures 2, 3 and 4 offer, as an example ple, several modes of construction of a switching device according to the invention.
- FIG. 2 In the example of Figure 2, two stationary contact elements 16 and 17 similar to that of Figure 1 are arranged side by side.
- a movable contact element 18, in the form of an elastic blade of conductive metal can be moved in both directions according to arrow 19, that is to say transversely and come to bear on the stationary contact elements 16 , and 17.
- this blade is provided with a slot 20 formed from its end on the side of the stationary contact elements and running over their entire length, in order to subdivide it into two strips which are supported respectively on the elements of stationary contact 16 and 17, independently of each other, to a certain extent at least.
- the stationary contact elements 21 and 22 are arranged in the extension of one another and the movable contact element 23, also movable transversely, comes to rest on them by its two ends.
- FIG. 4 illustrates another embodiment of the invention in which two pairs of stationary contact elements side by side (24, 25; 26, 27) are arranged in the extension of one another.
- the movable contact element is a cylindrical element internally comprising a fusible wire and the two ends 29 and 30 of which each rest on a pair of stationary contact elements.
- a fuse circuit breaker is thus produced.
- means not shown must maintain with sufficient pressure the fuse against its supports.
- FIG 5 provides an illustration of an embodiment of the switching device of the invention in which we will find the stationary contact element of Figure 1, the movable contact element of Figures 2 and 3 and even the variant of Figure 4.
- a molded part 31 serving as a slide and comprising a rack.
- This part comprises centering pins, not shown, on its face facing the plate 4, and which correspond to holes in this plate, with a view to placing them in precise mutual position.
- Other pieces can also be used to seal the two pieces together.
- This part 31 comprises, along its lower edge (in FIG. 5), a series of locations of stationary contact elements, only one of them being shown at 1.
- a series of locations of stationary contact elements By examining the neighboring location 32, we sees that it comprises an opening 33 through the part 31. Between this opening 33 and the lower edge 34, a hollow imprint forms the ramps 14 and 15 of FIG. 1, at the bottom of a shallow groove, so that the stationary contact element 1 is projecting relative to the main surface of the part 31.
- a cursor 35 comprising an operating button 36 carries an elastic blade 23. It moves transversely, sliding on guide surfaces by means of guide wings 37, 38, 39, 40, 41, 42.
- the elastic blade 23 serving as a movable contact element comes to bear on only one of the stationary contact elements at a time. Its width and the spacing of these elements have been chosen for this purpose. However, when changing position; the blade 23 is wide enough to be still supported by a stationary contact element when it reaches the next, in most cases. When this is not the case, the plate comprises, between the more distant stationary contact elements, a boss 43, 44 which lifts the blade 23 by its stop 45 and then lets it fall back at the level of the contact by its flank 46.
- the different stop positions that the slider 35 can take are defined by a rack 51 having recesses 52 and projections 53.
- An elastic member, such as a ball pushed by a spring is provided in the body of the slider 35 for s '' press against the rack 51.
- Each of the stationary contact elements such as that which appears in 1 being welded, through the part 31 to the plate 4 being in electrical conductivity with a conductive track 54, the displacement of the cursor driving the blade 23 selectively brings the electrical circuit associated with one of the lower contact elements such as 1 and that which is associated with one of the upper contact elements such as that which can be installed at 49.
- Figure 6 is a partial section along the axis of the cursor 35. It can be recognized therein the plate 4, the part 31, a stationary contact element 1 and a stationary contact element 56 perpendicular to the previous one.
- the blade 23, simply slid between the wings 41 and 42 (fig. 5) can be retained longitudinally by any means.
Landscapes
- Slide Switches (AREA)
- Contacts (AREA)
- Fuses (AREA)
- Push-Button Switches (AREA)
- Connections Effected By Soldering, Adhesion, Or Permanent Deformation (AREA)
Claims (10)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8319931A FR2556512B1 (fr) | 1983-12-13 | 1983-12-13 | Dispositif de commutation electrique |
FR8319931 | 1983-12-13 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0147293A1 EP0147293A1 (de) | 1985-07-03 |
EP0147293B1 true EP0147293B1 (de) | 1988-06-01 |
Family
ID=9295120
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP84402585A Expired EP0147293B1 (de) | 1983-12-13 | 1984-12-13 | Elektrische Schaltvorrichtung |
Country Status (7)
Country | Link |
---|---|
US (1) | US4609793A (de) |
EP (1) | EP0147293B1 (de) |
JP (2) | JPS60146425A (de) |
KR (1) | KR850004871A (de) |
AU (1) | AU3624984A (de) |
DE (1) | DE3471807D1 (de) |
FR (1) | FR2556512B1 (de) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3511872A1 (de) * | 1985-04-01 | 1986-10-02 | BSG-Schalttechnik GmbH & Co KG, 7460 Balingen | Dreh- oder schiebepotentiometer (stufenschalter) und verfahren zu seiner herstellung |
FR2863768B1 (fr) * | 2003-12-16 | 2006-05-12 | Tda Armements Sas | Commutateur a faible effort de manoeuvre |
Family Cites Families (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE819867C (de) * | 1950-08-23 | 1951-11-05 | Gossen & Co G M B H P | Vielfachdrehschalter, insbesondere fuer elektrische Messinstrumente und Nachrichtengeraete |
US2863966A (en) * | 1956-07-16 | 1958-12-09 | Greber Henry | Repeater fuse |
FR1275395A (fr) * | 1959-12-31 | 1961-11-03 | Dispositif de contact pour commutateurs à poussoir et rotatifs | |
FR1467125A (fr) * | 1965-12-13 | 1967-01-27 | Telemecanique Electrique | Sectionneur rotatif à cartouche fusible |
US3350673A (en) * | 1966-06-10 | 1967-10-31 | Allen Bradley Co | Adjustable electronic component |
DE1640032A1 (de) * | 1967-04-29 | 1970-08-06 | Olympia Buerosysteme Gmbh | Tastenkontaktschalter fuer Buero- und andere tastengesteuerte Maschinen |
DE1964580C2 (de) * | 1969-12-23 | 1971-11-04 | Ebe Elektro Bau Elemente Gmbh | Kontacktbrueckenanordnung |
US3808384A (en) * | 1971-06-01 | 1974-04-30 | Texas Instruments Inc | Pushbutton keyboard system |
US3745270A (en) * | 1972-03-27 | 1973-07-10 | Amp Inc | Slide selector switch assembly |
US3800107A (en) * | 1973-01-19 | 1974-03-26 | Chicago Dynamic Ind Inc | Slide selector switch |
GB1460021A (en) * | 1973-01-24 | 1976-12-31 | Gen Electric Co Ltd | Electric switches |
CH570098A5 (de) * | 1973-03-13 | 1975-11-28 | Radioelectrique Comp Ind | |
US3857000A (en) * | 1973-07-05 | 1974-12-24 | Texas Instruments Inc | Multi-position slide switch assembly with housing means holding common conductive rail in fixed abutting relationship with end terminals of fixed contact array |
IT1032793B (it) * | 1975-05-02 | 1979-06-20 | C Olivetti Ec Spa Ing | Selettore per tastiera di macchine da calcolo e simili macchine per ufficio |
DE2657546A1 (de) * | 1976-12-18 | 1978-06-22 | Telefonbau & Normalzeit Gmbh | Kontaktplaettchen fuer in eine leiterplatte eingesetzte schaltvorrichtungen |
JPS602800B2 (ja) * | 1977-03-07 | 1985-01-23 | 株式会社日立製作所 | 大規模集積回路の実装方法 |
FR2461980B1 (fr) * | 1979-07-24 | 1986-03-21 | Sagem | Perfectionnements apportes aux claviers d'introduction manuelle de donnees |
US4292616A (en) * | 1980-04-04 | 1981-09-29 | Andersen James H | Combined toggle switch and front access fuse holder |
JPS5842960B2 (ja) * | 1980-06-13 | 1983-09-22 | 双葉電子工業株式会社 | エレクトロルミネセンス装置 |
-
1983
- 1983-12-13 FR FR8319931A patent/FR2556512B1/fr not_active Expired
-
1984
- 1984-12-04 AU AU36249/84A patent/AU3624984A/en not_active Abandoned
- 1984-12-10 US US06/679,803 patent/US4609793A/en not_active Expired - Fee Related
- 1984-12-12 JP JP59261016A patent/JPS60146425A/ja active Pending
- 1984-12-13 DE DE8484402585T patent/DE3471807D1/de not_active Expired
- 1984-12-13 EP EP84402585A patent/EP0147293B1/de not_active Expired
- 1984-12-13 KR KR1019840007909A patent/KR850004871A/ko not_active Application Discontinuation
-
1986
- 1986-05-12 JP JP1986071168U patent/JPS61183051U/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
FR2556512A1 (fr) | 1985-06-14 |
EP0147293A1 (de) | 1985-07-03 |
FR2556512B1 (fr) | 1986-12-26 |
AU3624984A (en) | 1985-06-20 |
DE3471807D1 (en) | 1988-07-07 |
US4609793A (en) | 1986-09-02 |
JPS61183051U (de) | 1986-11-14 |
JPS60146425A (ja) | 1985-08-02 |
KR850004871A (ko) | 1985-07-27 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
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AK | Designated contracting states |
Designated state(s): DE GB IT |
|
17P | Request for examination filed |
Effective date: 19850829 |
|
RAP1 | Party data changed (applicant data changed or rights of an application transferred) |
Owner name: ITT INDUSTRIES INC. |
|
17Q | First examination report despatched |
Effective date: 19861126 |
|
D17Q | First examination report despatched (deleted) | ||
GRAA | (expected) grant |
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Kind code of ref document: B1 Designated state(s): DE GB IT |
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REF | Corresponds to: |
Ref document number: 3471807 Country of ref document: DE Date of ref document: 19880707 |
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ITF | It: translation for a ep patent filed |
Owner name: BUGNION S.P.A. |
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GBT | Gb: translation of ep patent filed (gb section 77(6)(a)/1977) | ||
PLBE | No opposition filed within time limit |
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STAA | Information on the status of an ep patent application or granted ep patent |
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PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
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Ref country code: GB Effective date: 19951213 |
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GBPC | Gb: european patent ceased through non-payment of renewal fee |
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Ref country code: DE Effective date: 19960903 |