EP0405688A1 - Halterrahmen für einen Schalter - Google Patents

Halterrahmen für einen Schalter Download PDF

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Publication number
EP0405688A1
EP0405688A1 EP90201695A EP90201695A EP0405688A1 EP 0405688 A1 EP0405688 A1 EP 0405688A1 EP 90201695 A EP90201695 A EP 90201695A EP 90201695 A EP90201695 A EP 90201695A EP 0405688 A1 EP0405688 A1 EP 0405688A1
Authority
EP
European Patent Office
Prior art keywords
switch
supporting frame
parts
house
switch according
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.)
Granted
Application number
EP90201695A
Other languages
English (en)
French (fr)
Other versions
EP0405688B1 (de
Inventor
Albert Jozef Peter Postmus
Jan Bertus Wensink
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.)
Holec Holland NV
Original Assignee
Holec Systemen en Componenten BV
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 Holec Systemen en Componenten BV filed Critical Holec Systemen en Componenten BV
Publication of EP0405688A1 publication Critical patent/EP0405688A1/de
Application granted granted Critical
Publication of EP0405688B1 publication Critical patent/EP0405688B1/de
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
    • H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
    • H01H71/02—Housings; Casings; Bases; Mountings
    • H01H71/0207—Mounting or assembling the different parts of the circuit breaker
    • H01H71/0221—Majority of parts mounted on central frame or wall
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
    • H01H71/02—Housings; Casings; Bases; Mountings

Definitions

  • the invention relates to a switch provided with a switch mechanism comprising a pair of contacts, an operating mechanism etc., and with at least one carrier with supporting means for in general the switch mechanism and its fixed and movable parts.
  • This switch comprises an elongate carrier, which supports all parts of the switch mechanism.
  • the disadvantage here is that it is not possible to combine a number of these switches in order to obtain a multiple-pole switch. Also, the lay-out of the switch makes it unsuitable for assembling by means of robots. The parts of the switch are to be positioned onto the carrier at all sides thereof, which would result in rather complicated movements for a robot in case automated assembling is envisaged.
  • testing of the switch mechanism after mounting between the carrier plates and before enclosing in the house is very difficult and may even be impossible. Even in the case that locally apertures are provided in the carrier plates, checking of the operation, and possibly adjusting or readjusting are very difficult. Testing and readjusting of the complete switch is necessary in order to be able to check the proper operation of the electromechanic and electronic components, and in order to replace them if necessary, as well as for carrying out certain adaptations, for instance the setting of the bimetal with respect to the desired current. Finally, the switch consists of a relatively large number of loose parts, leading to high demands with respect to the mounting operation, the stock and availability.
  • the aim of the invention is to alliviate as far as possible the disadvantages with respect to production and mounting and to provide a switch which can be mounted and thereafter be tested in a very simple way.
  • the switch according to the invention is characterized in that the carrier consists of a single in general plane and stiff supporting frame, onto one side of which the supporting means, such as shafts, cams, etc. can be situated and onto which the mechanism can be mounted on a fuctional way.
  • the supporting frame is provided at two sides with supporting means, such that at each side a complete autonomous switch mechanisme for a pole can be mounted. In that case first of all the switch mechanism for one side could be mounted completely, and thereafter, after rotating the supporting frame, the other switch mechanism could be applied. Both are accessible in a functional way. In this way a two pole switch is obtained.
  • the supporting frame has its supporting means symmetrical with respect to its middle plane. Therefore all parts of each of the two switch mechanisms may be completely equal to each other. The latter simplifies the switch and the manufacturing thereof in all aspects.
  • the invention is characterized in that the switch is provided with a box-like house of electrically insulating material, into which the supporting frame with fully mounted mechanism can be enveloped without play.
  • the house does not fulfill any other function with respect to the switch mechanism or the switch mechanisms than to completely envelope the switch.
  • the house could consist of two parts, but it could consist for instance also of one part, in which case the frame or a part thereof is a wall or the cover of a box-like house.
  • a preferred embodiment is characterized in that in order to obtain a switch with three or four poles a box-like house part has been carried out symmetrically double sided, whereas in one cavity thereof a one or two sided supporting frame provided with one respectively two switch mechanisms is housed and whereby in the other cavity thereof a further one or two sided supporting frame, provided with one respectively two switch mechanisms is housed, and whereby both cavities can be closed by means of further symmetrical box-like house parts.
  • a three or four pole switch may be manufactured with the help of allways the same switch mechanisms, in that two supporting frames are applied, one of which is two sided and the other is one or two sided.
  • each mounting frame has at least one aperature in its plane for receiving at least the operating lever.
  • the switch mechanism it may be attractive under certain circumstances to carry out the switch mechanism not only with one operating lever, but also with only one or more other parts near the operating lever. All other parts of each switch mechanism which are necessary for a good behaviour of each switch function are of course maintained for each pole. In adjusting the mechanism, it is therefore also possible to make the different poles switch at points in time which are shifted a little, in order to prevent certain undesired switch phenomena or in order to limit these.
  • the switch according to the invention shows the further advantage that is very suitable for assembling by a robot.
  • a relatively simple robot can be used because all parts of one switch mechanism are being placed by the robot onto one and the same side of the supporting frame, and are being advanced by the robot toward that side in such a way that the displacements of the parts during advancing are parallel to each other.
  • the robot therefore only needs to carry out movements which are parallel to each other, which can be accomplished by a simple, robust structure.
  • all movements for applying the parts onto the supporting frame are perpendicular with respect to the plane defined by the supporting frame.
  • a switch according to the invention has been schematically indicated with 100. It consists of a stiff and generally plane supporting frame 102 onto which a switch mechanism 3, which has been indicated schematically has been mounted. As appears the switch mechanism is situated completely at one side of the supporting frame 102. It will be clear that the supporting means such as shafts, cams, etc. for the switch mechanism 103 which have not been indicated in figure 1, for the switch mechanism 103 point to the left from the supporting frame 102, and are therefore connected to the supporting frame 102.
  • box-like house part 10 envelopes the switch 100 and can be closed thereafter by means of cover 11.
  • the internal cavity 14 of box-like house part 10 surrounds the switch 100 completely, and as far as possible without play.
  • the passages for the operating lever and the contact terminals are omitted.
  • FIG 2 schematically shows a two pole switch 101 , again consisting of the same supporting frame 102 as in figure 1.
  • This supporting frame 102 carries at the left side the same switch mechanism 103 as described with respect to figure 1.
  • the supporting frame 102 carries a second switch mechanism 104 which for instance is symmetric with respect to the switch mechanism 103.
  • This relates firstly to the shafts, cams, etc., at each side of the supporting frame 102. Due to the symmetric embodiment there are differences between the switch mechanisms and their support means 103 and 104, and therefore they are indicated with different references.
  • the same is true for the right part of the house 12 which may be symmetrical with respect to the left house part 10.
  • Possible snapthrough cams or other fixation and closure means used for anchoring the closed house parts to each other, which have not been shown, should of course also be symmetrical and/or complementary.
  • figure 3 a four pole switch has been shown schematically, consisting of two supporting frames 101 both of which are equal and are constructed as discussed with respect to figure 2.
  • the left and right house parts 10 and 12 are equal to those discussed with respect to figure 2.
  • the house consists of three parts whereby the left and right house part 10 respectively 12 both are box-like and the middle house-part 13 is a double box-like.
  • the references for the cavities it is indicated that also in this case symmetry is preferred.
  • FIG 4 shows a two pole switch according to figure 2 in elevation, the closing second house part not yet being applied.
  • the switch mechanism shown in figure 4 largely corresponds to the switch mechanism as described in the Dutch patent application 8703172.
  • the construction of the switch mechanism and its function can be derived fully from said Dutch patent application.
  • a reference is made to this publication, thus obviating a separate discussion in this respect.
  • Some small differences are indicated, and only those parts are discussed which are of importance for understanding of the present invention.
  • the switch is depicted in the switched-on position, whereby the pair of contacts 14-16 is being pushed firmly towards each other due to the fact that the leaf spring 6 under axial load buckles somewhat outwardly and therefore causes the necessary contact pressure.
  • the leaf spring 6 functions therefore as a switch delay spring and as a contact pressure spring.
  • a hooked leaf spring 80 is added which, after releasing the switch spring 6 and the brace 2 pushes upwardly that brace 2 and thus removes the contacts 14-16 rapidly from each other due to the fact that the brace part 4 is being released for upward movement.
  • the latch member 22 at the left side is provided with a unitary resilient extension 221 for exercising a restoring force onto the latch member 22.
  • the toggle lever 33-35 is provided with a unitary resilient extension 351, which also functions as a restoring spring for the toggle lever 33-35.
  • the switch shown is of the type which can be switched off electro­magnetically, and therefore has a magnet winding with a movable armature 46 which according to this example is mounted on the printed circuit board 54.
  • the magnet 46 has a least two windings, winding 461 of which is supplied with current, as are the contacts 14-16.
  • the winding 461 is dimensioned in such a way that in case of a short term large overload the armature head 48 moves to the right which leads to switching off of the switch.
  • the second winding 462 is being activated by an earth fault detector 463 which in the usual way measures the current through both output terminals.
  • One of the wirings 464 thereof has been indicated schematically.
  • the winding 463 In case of an earth faulth the winding 463 generates a voltage which activates the winding of magnet 462 such that also by means of this signal the switch may be switched off. Because of the fact that the switch shown is provided with a detection winding 463 it is of a double pole type.
  • FIG 4 the supporting frame 102 has been shown as will be discussed in detail below with respect to the figures 5 up to 8. In figure 4 however it is indicated that half 12 of the house closely surrounds the supporting frame 102.
  • the supporting frame 102 shown in figure 4 is of the type with integral contact terminals and integrated explosion chamber, as depicted in the figures 7 and 8.
  • FIGS 5, 6, 7 and 8 show supporting frames according to the invention, in which the generally plain frame has been indicated with 102.
  • a groove 10 is provided for guidance of contactblock 8, for its reciprocating movement during switching on and off of the contacts 14-16.
  • the operating lever 23, 26 is journalled in a bore 128 by means of shaft 28, which bore 128 has been provided in a bracket 129 of the supporting frame.
  • Some of the levers of the switch mechanism are pivoting around hinge pins 140, 132, which may be integrally formed with the supporting frame 102. This is also the case for the supporting pin 135 for the restorings spring 351 of the latch lever 35.
  • the brace 2 is journalled in a bearing groove 130 provided in a small land 131 of the supporting frame.
  • a larger land 180 provided with a room 181 which is opened halfway, for receiving and clamping the switch off spring 80. Furthermore the frame has a vertical protrusion 122 which serves as supporting face for the restoring spring 221 of the latch member 22. A supporting respectively protective strip 145 has been provided for guiding of the contact strip 144 of contact 14.
  • the window 105 In the middle of the supporting frame 102 there is a window 105 for receiving the printed circuit board 54 in grooves 154 and 155.
  • the window 105 has considerable dimensions. Without affecting the stiffness of the supporting frame 102 as well as its dimensional stability, the window 105 has been made as large as possible in all directions in a view of material and weight reductions.
  • the mounting frame 102 has been devised in such a way, that all planes and borders of the supporting means for the switch mechanism are perpendicular with respect to the middle plane which runs through the supporting frame.
  • Figure 8 shows a three dimensional view of a one pole supporting frame of the same type, however provided with an explosion chamber 18 as well as provisions for integral contact terminals, which shall be explained later. With dotted lines a symmetric two pole embodiment has been indicated.
  • a supporting frame 102 which is of the same type as in figure 5, is shown in figure 6, however at one of its sides, i.e. the lower side in this figure a firm diagonal partition 150 has been provided, into which apertures 152, 153 are formed for receiving the contact pins 50 of the type as depicted in figure 4.
  • the height h of the diagonal partition is such that this diagonal partition circumferentially fits the sides of an aperture in the two part house, in such a way that the diagonal partition at that spot forms a wall of the house.
  • the sides of the diagonal partition 150 are provided with a stepped edge 151 for co­operation with a complementairy similair edge, which has not been indicated further, around the opening in the two part house.
  • the apertures 152, 153 for the contact pins are not shown in figure 8.
  • FIG. 7 again shows a supporting frame 102 of the same type as shown in figures 5 and 6.
  • the subject is a supporting frame which not only has been provided with an integrated diagonal partition 150 for the contact pins, but which is furthermore provided with an integrated explosion chamber 18 which surrounds the ends of the pair of contacts 14-16.
  • the explosion chamber 18 is surrounded at three sides by a side wall 118 which project from the plane of the supporting frame 102.
  • the height of the sidewalls 118 is such that the house which is to be applied fully closes the explosion chamber 18.
  • the explosion chamber is only open at the side of the pair of contacts 14-16, however at that place it is closed to a large degree by the contact block 8.
  • the separation between the arc explosion chambers of the two poles is optimal, in such a way that hardly any mutual influencing occurs.

Landscapes

  • Push-Button Switches (AREA)
  • Switch Cases, Indication, And Locking (AREA)
  • Tumbler Switches (AREA)
  • Manipulator (AREA)
  • Brushes (AREA)
  • Plural Heterocyclic Compounds (AREA)
  • Switches With Compound Operations (AREA)
  • Vehicle Body Suspensions (AREA)
  • Electrophonic Musical Instruments (AREA)
  • Mechanical Control Devices (AREA)
  • Supplying Of Containers To The Packaging Station (AREA)
EP90201695A 1989-06-28 1990-06-26 Halterrahmen für einen Schalter Expired - Lifetime EP0405688B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL8901636A NL8901636A (nl) 1989-06-28 1989-06-28 Montageframe voor schakelaar.
NL8901636 1989-06-28

Publications (2)

Publication Number Publication Date
EP0405688A1 true EP0405688A1 (de) 1991-01-02
EP0405688B1 EP0405688B1 (de) 1995-09-20

Family

ID=19854920

Family Applications (1)

Application Number Title Priority Date Filing Date
EP90201695A Expired - Lifetime EP0405688B1 (de) 1989-06-28 1990-06-26 Halterrahmen für einen Schalter

Country Status (9)

Country Link
EP (1) EP0405688B1 (de)
AT (1) ATE128266T1 (de)
DE (1) DE69022492T2 (de)
DK (1) DK0405688T3 (de)
ES (1) ES2077013T3 (de)
FI (1) FI98969C (de)
GR (1) GR3018281T3 (de)
NL (1) NL8901636A (de)
NO (1) NO300706B1 (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0604985A1 (de) * 1992-12-31 1994-07-06 Moeller GmbH Elektromagnetischer Schaltantrieb
DE19910842A1 (de) * 1999-03-11 2000-09-21 Ellenberger & Poensgen Überstromschutzschalter

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB773193A (en) * 1955-09-30 1957-04-24 Chilton Aircraft Company Ltd Improvements in and relating to electrical circuit-breakers
CH647094A5 (en) * 1979-11-09 1984-12-28 Weber Ag Fab Elektro Two-pole protective circuit breaker with thermal tripping
US4752755A (en) * 1986-03-05 1988-06-21 Fuji Electric Co., Ltd. Circuit breaker

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB773193A (en) * 1955-09-30 1957-04-24 Chilton Aircraft Company Ltd Improvements in and relating to electrical circuit-breakers
CH647094A5 (en) * 1979-11-09 1984-12-28 Weber Ag Fab Elektro Two-pole protective circuit breaker with thermal tripping
US4752755A (en) * 1986-03-05 1988-06-21 Fuji Electric Co., Ltd. Circuit breaker

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0604985A1 (de) * 1992-12-31 1994-07-06 Moeller GmbH Elektromagnetischer Schaltantrieb
DE19910842A1 (de) * 1999-03-11 2000-09-21 Ellenberger & Poensgen Überstromschutzschalter

Also Published As

Publication number Publication date
DE69022492D1 (de) 1995-10-26
DE69022492T2 (de) 1996-07-18
NO902860L (no) 1991-01-02
FI98969B (fi) 1997-05-30
NL8901636A (nl) 1991-01-16
NO300706B1 (no) 1997-07-07
ATE128266T1 (de) 1995-10-15
GR3018281T3 (en) 1996-03-31
EP0405688B1 (de) 1995-09-20
FI98969C (fi) 1997-09-10
FI903282A0 (fi) 1990-06-28
DK0405688T3 (da) 1995-10-16
ES2077013T3 (es) 1995-11-16
NO902860D0 (no) 1990-06-27

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