EP0921547A1 - Interrupteur électrique - Google Patents

Interrupteur électrique Download PDF

Info

Publication number
EP0921547A1
EP0921547A1 EP98410137A EP98410137A EP0921547A1 EP 0921547 A1 EP0921547 A1 EP 0921547A1 EP 98410137 A EP98410137 A EP 98410137A EP 98410137 A EP98410137 A EP 98410137A EP 0921547 A1 EP0921547 A1 EP 0921547A1
Authority
EP
European Patent Office
Prior art keywords
lever
base
switch according
rocker
contact
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.)
Withdrawn
Application number
EP98410137A
Other languages
German (de)
English (en)
French (fr)
Inventor
Olivier Wasner
Patrick Guinebert
Bernard Buchy
Christophe Goerger
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.)
Schneider Electric Industries SAS
Original Assignee
Schneider Electric SE
Schneider Electric Industries SAS
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 Schneider Electric SE, Schneider Electric Industries SAS filed Critical Schneider Electric SE
Publication of EP0921547A1 publication Critical patent/EP0921547A1/fr
Withdrawn legal-status Critical Current

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Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H11/00Apparatus or processes specially adapted for the manufacture of electric switches
    • H01H11/0006Apparatus or processes specially adapted for the manufacture of electric switches for converting electric switches
    • H01H11/0012Apparatus or processes specially adapted for the manufacture of electric switches for converting electric switches for converting normally open to normally closed switches and vice versa
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H23/00Tumbler or rocker switches, i.e. switches characterised by being operated by rocking an operating member in the form of a rocker button
    • H01H23/02Details
    • H01H23/12Movable parts; Contacts mounted thereon
    • H01H23/16Driving mechanisms
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H23/00Tumbler or rocker switches, i.e. switches characterised by being operated by rocking an operating member in the form of a rocker button
    • H01H23/02Details
    • H01H23/12Movable parts; Contacts mounted thereon
    • H01H23/16Driving mechanisms
    • H01H23/20Driving mechanisms having snap action
    • H01H23/205Driving mechanisms having snap action using a compression spring between tumbler and an articulated contact plate
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H11/00Apparatus or processes specially adapted for the manufacture of electric switches
    • H01H11/0006Apparatus or processes specially adapted for the manufacture of electric switches for converting electric switches
    • H01H2011/0043Apparatus or processes specially adapted for the manufacture of electric switches for converting electric switches for modifying the number or type of operating positions, e.g. momentary and stable

Definitions

  • the present invention relates to an electrical switch intended to establish or interrupt the current inside an electrical circuit, of the kind comprising a mechanism housed in a base comprising at least two terminals, said mechanism comprising a rocker mounted in rotation in the base around a first axis, said rocker being electrically connected to a first terminal and comprising a contact part capable of coming into contact with a part of contact of a second terminal during rotation of the rocker, a lever mounted to rotate the interior of the base around a second axis, said lever being mechanically connected to the rocker so that the rotation of the lever causes the rotation of the rocker, an operating finger able to drive the lever in rotation between a first position establishing contact between the two terminals and a second position interrupting said contact, and a spring comprising a first end in abutment against one side of the lever and a second end in abutment against a first bearing face of the base, said spring being able to return said lever in the second aforementioned position.
  • the present invention solves these problems and proposes an electric switch which can be used to perform functions such as push, back and forth, double back and forth comes, double pusher, etc, with the same basic parts.
  • the present invention relates to a switch, this switch being characterized in that the lever is adapted so that it can be placed in the base following two positions inverted by rotation of 180 ° relative to the longitudinal axis of the lever and in that the base of the mechanism M has a second bearing surface capable of receiving the second end of the return spring when the lever is in an inverted position relative to that in which the first bearing surface is operating, so that during the juxtaposition head to tail of two bases so as to perform the double push function, the two levers of the two mechanisms are in an inverted position with respect to each other, and are returned to the second position by the spring, the two operating fingers belonging to the two mechanisms being located on the same side of the housing in the open contact position between the two terminals of each mechanism M.
  • the first and second axes mentioned above are mutually parallel.
  • the second bearing surface is arranged so symmetrical to the first with respect to the plane passing through the two aforementioned axes.
  • the lever comprises two pairs of legs extending from on either side of the longitudinal axis of the lever in opposite directions, said pairs being arranged to cooperate with the control finger respectively in the two lever positions.
  • the legs extend parallel to each other in a plane perpendicular to the second axis, the two tabs located on one side of the lever being symmetrically located on the legs on the other side of the lever with respect to the second aforementioned axis.
  • the lever comprises an extending arm perpendicular to said legs, said arm comprising a stud for centering the spring of reminder.
  • the lever has an orifice extending perpendicularly to the aforementioned second axis and intended to receive a spring mounted in a socket, said socket being in elastic support on one or the other of two tongues belonging to the rocker and located on either side of the aforementioned first axis.
  • the lever spring produces the contact force between the rocker and the terminals.
  • all the terminals are aligned.
  • a housing B containing the mechanism M of an electrical appliance which can be, for example, a bipolar switch, a permutator, a push-button, etc.
  • This box B is mainly constituted by a box body 1 comprising a bottom wall 2 and four side walls 3 to 6, a cover 7 comprising an operating finger (not shown in this figure) of said electrical appliance, said cover 7 being intended to come cover the box body 1 and a faceplate 8 intended to be removably attached to said cover 7.
  • the aforementioned mechanism M is mounted in a support (or base 11) fixed inside the housing B, at neighborhood of one 4 of its side walls.
  • this support 11 of the mechanism is formed by a base comprising a housing 11a for the elements of the mechanism M, three recesses 12, 13, 14 intended to receive respectively three screw terminals 16, 15, 17 and fixing means 18 of the support 11 on the bottom wall 2 of the box body 1.
  • This support 11 also includes a plate 19 intended to be fixed on the base 11 in the manner of a cover and comprising pads 20 for access to the terminal screws.
  • the basic mechanism M from which in accordance with the invention, several functions may be performed namely the function push button, double push button, back and forth function, etc ..., mainly includes a lever 21 associated with a spring 22 and a socket 23, as well as a rocker 24 and a return spring 35.
  • This lever 21 is rotatably mounted around an axis X perpendicular to the bottom wall 2 of the body box 1.
  • a body 25 of substantially shaped parallelepiped this body 25 comprising on two opposite faces 25a, 25b, respectively two studs 26, 27, intended to form the hinge axis X of the lever 21, and on each of the two other opposite lateral faces 25c, 25d, a pair formed by two legs (28, 29, and 30, 31), extending perpendicular to said faces from the ends of said faces.
  • These legs (28 to 31) are parallel to each other and are arranged so that each of the legs 28, 29 of one of the faces 25d, is arranged symmetrically to another tab 30, 31 belonging to the other face 25c, relative to the axis X formed by the studs 26.
  • the last two opposite faces 25e, 25f, one relative to the other of the body 25 of the lever respectively have an orifice 32 and an arm 33 extending parallel one by with respect to the other and to the aforementioned articulation axis X in opposite directions.
  • the orifice aforementioned 32 is intended for housing the socket 23 housing the spring 22 while on the arm 33 is fixed a centering stud 36a, extending perpendicular to said arm 33.
  • the lever 24 is formed by a blade 42 folded along four fold lines.
  • This blade 42 comprises a middle part 36 comprising in its middle an articulation element 37 housed in a recess 38 in the base 11, and two end portions 39, 40 extending in parallel one with respect to the other, in a plane offset from the plane of the middle part 36, said end portions 39, 40 being intended to receive on their faces directed towards the middle part 36 a contact pad 41, 52.
  • This blade 42 also comprises, on its face located opposite to that supporting the element articulation 37, two tabs 43, 44 extending at an angle of about 45 ° relative to to the middle part 36 in the direction of the end parts 39, 40, these tabs 43, 44 being intended to cooperate with the socket 23 associated with the lever 21, as will be described later.
  • the base 11 further comprises in its bottom wall 45, an orifice 46 intended for housing one of the studs 26 of the lever 21 forming a hinge pin, the other of the two studs being housed in a corresponding orifice belonging to the cover plate 19.
  • a finger maneuver 47 is mounted inside the cover 7 of the housing so as to cooperate with one of the legs 28 to 31 of the lever 21, as described later.
  • the base 11 includes a stop 48a capable of cooperating with the legs 28 to 31 of lever 21 in order to limit the rotation stroke of the latter between two extreme positions corresponding to the open and closed positions of the contacts.
  • a stop 48a capable of cooperating with the legs 28 to 31 of lever 21 in order to limit the rotation stroke of the latter between two extreme positions corresponding to the open and closed positions of the contacts.
  • bosses 48, 49 integral with the inner wall of the base 11 and intended to receive one of the ends 35a of the spring 35 whose other end 35b is received by the stud centering 36a of the lever 21, this spring 35 being used only when the mechanism is used to achieve the push function illustrated in Figure 3.
  • the spring 35 is supported on the one hand, on the centralizer 36a of the lever 21, and on the other hand, on one 60 of the bearing faces 60, 61 surrounding one of the bosses, said bosses 48, 49 of the base 11 positioning the spring 22 in the alignment of the spring 35.
  • the switch performs the "back and forth" function. To this end, after removal of the return spring 35, a third terminal 17 has been added. We will note the presence of a second contact pad 52 on the other end portion 40 of the rocker 24.
  • this mechanism is of the double type because it consists of the juxtaposition in the same housing of two mechanisms M of the simple type each carrying out the push function as illustrated in FIG. so that the terminals 15 to 17 of the two mechanisms are arranged opposite to each other.
  • the two bases 11 are fixed in such a way that the axes of rotation X of the levers 21 are on the same level, this being made possible by the reversibility of the bases.
  • the parts of the mechanism are positioned so that the two control fingers 47, 47a in the "open contacts" position are in the low position.
  • lever 21 is used to perform this function, the levers being in the inverted position relative to one another and the return spring in the two switches bearing on the two different surfaces 60, 61 of the base, which is made possible by the reversibility of the levers and the base.
  • the operation of the various mechanisms will be described below with reference to the figures and first of all to FIG. 3 illustrating the push-button switch.
  • the socket 23 is supported on one 44 of the tongues 43, 44 of the rocker 24, the latter being mounted articulated around an axis Y parallel to the axis X of the lever, by through its articulation element 37 mounted in the recess 38 of the base.
  • the balance position of the lever 21 defines the balance position of the lever 24 relative to the connection terminals 15, 16, 17, via the spring 22 housed in the orifice 32 of the lever 21 and that of the socket 23, which spring 22 exerts pressure on the tongue 44 of the lever 24.
  • the return spring 35 mounted between the centering stud 36a and the boss 49 recalls the lever 21 in its position corresponding to an open position of the contacts such as illustrated in FIG. 3.
  • the mechanism illustrated in Figure 4 fulfills the "back and forth" function. It is identical to that shown in Figure 3 except for this on the one hand, that we added a terminal 17 cooperating with a contact pad 52 fixed to the other end 40 of the rocker 24 and on the other hand, that the return spring 35 has been removed. In the position illustrated in Figure 4, the contact is interrupted between the first 15 and the second 16 terminal, but it is established between the first 15 and the third terminal 17.
  • the actuation of the operating finger 47 by the user causes the switching the switch by driving the leg 31 of the lever clockwise. This results in a rotation of the lever 21 clockwise, which establishes contact between the pad 41 belonging to the lever 24 and the terminal 16.
  • FIGS. 5 to 7 two mechanisms M have been associated, each performing the function push-button in order to perform the shutter control function corresponding to the function double pusher.
  • This function is obtained by fitting the lever 21 and the return spring 35.
  • the levers are arranged in their bases in two positions reversed by rotation of 180 ° relative to the longitudinal axis Z of the lever 2.
  • the spring 35 is resting on one of the support surfaces of the base, in the switch located on the right on the Figure 7 and on the other bearing surface 61 in the case of the second switch located on the left on the figure.
  • central terminal 15 is wider than the one or two lateral terminals 16, 17, this which provides the keying during assembly.
  • the two bearing surfaces 60, 61 comprising respectively the two bosses 48, 49 are arranged symmetrically with respect to one another with respect to the plane passing through the two axes X and Y.
  • the base 11 has in its bottom wall, on the one hand, two orifices 63, 64 provided for the passage of centering elements belonging to the assembly tool, which maintain the rocker 24 in the horizontal equilibrium position, and on the other hand, another opening 65 allowing the introduction of another mounting tool forming a guide, intended also to maintain the lever 21 in a horizontal equilibrium position.
  • a mechanism has therefore been made which, with the same basic parts, perform the single-pole, double-pole, permutator, push-button, back and forth functions, double back and forth, direct or automatic shutter control. From the basic version, the other functions are obtained by adding or removing parts and by mounting appropriate lever and spring, the shutter control is obtained.
  • the only difference between the central terminal and the lateral terminals is that on the first, there has no contact pad added. All functions require only one type of thick headed. This terminal can be made by folding, by bar turning or other means.

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Switches With Compound Operations (AREA)
  • Push-Button Switches (AREA)
  • Breakers (AREA)
  • Rotary Switch, Piano Key Switch, And Lever Switch (AREA)
EP98410137A 1997-12-02 1998-12-01 Interrupteur électrique Withdrawn EP0921547A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9715504A FR2771848B1 (fr) 1997-12-02 1997-12-02 Interrupteur electrique pouvant realiser plusieurs fonctions , par exemple les fonctions poussoir, va et vient,avec les memes pieces de base
FR9715504 1997-12-02

Publications (1)

Publication Number Publication Date
EP0921547A1 true EP0921547A1 (fr) 1999-06-09

Family

ID=9514319

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98410137A Withdrawn EP0921547A1 (fr) 1997-12-02 1998-12-01 Interrupteur électrique

Country Status (5)

Country Link
EP (1) EP0921547A1 (cs)
CZ (1) CZ294989B6 (cs)
FR (1) FR2771848B1 (cs)
HU (1) HUP9802786A3 (cs)
PL (1) PL191097B1 (cs)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH703616A1 (de) * 2010-08-17 2012-02-29 Feller Ag Elektrischer Schaltapparat für Hausinstallationen.
EP2924702A1 (en) 2014-03-26 2015-09-30 Berker GmbH & Co. KG Convertible electrical switch device
EP4481782A1 (en) 2023-06-21 2024-12-25 Schneider Electric España, S.A. Convertible electrical switch

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES3015223T3 (en) * 2022-10-10 2025-04-30 Schneider Electric Espana Sa Convertible electrical switch

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2248362A (en) * 1940-11-16 1941-07-08 Cutler Hammer Inc Electric switch
GB1141647A (en) * 1965-07-20 1969-01-29 Square D Co Electric switch unit
FR2224855A1 (cs) * 1973-04-05 1974-10-31 Cutler Hammer World Trade Inc
DE2737004A1 (de) * 1977-08-17 1979-03-01 Bbc Brown Boveri & Cie Elektrisches installationsgeraet

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2248362A (en) * 1940-11-16 1941-07-08 Cutler Hammer Inc Electric switch
GB1141647A (en) * 1965-07-20 1969-01-29 Square D Co Electric switch unit
FR2224855A1 (cs) * 1973-04-05 1974-10-31 Cutler Hammer World Trade Inc
DE2737004A1 (de) * 1977-08-17 1979-03-01 Bbc Brown Boveri & Cie Elektrisches installationsgeraet

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH703616A1 (de) * 2010-08-17 2012-02-29 Feller Ag Elektrischer Schaltapparat für Hausinstallationen.
EP2924702A1 (en) 2014-03-26 2015-09-30 Berker GmbH & Co. KG Convertible electrical switch device
EP4481782A1 (en) 2023-06-21 2024-12-25 Schneider Electric España, S.A. Convertible electrical switch

Also Published As

Publication number Publication date
FR2771848A1 (fr) 1999-06-04
CZ394198A3 (cs) 1999-06-16
HUP9802786A2 (hu) 1999-10-28
FR2771848B1 (fr) 2000-01-07
PL330005A1 (en) 1999-06-07
HU9802786D0 (en) 1999-01-28
PL191097B1 (pl) 2006-03-31
CZ294989B6 (cs) 2005-04-13
HUP9802786A3 (en) 2000-10-30

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