EP0660965B1 - Commutateur de securite actionne par bouton - Google Patents
Commutateur de securite actionne par bouton Download PDFInfo
- Publication number
- EP0660965B1 EP0660965B1 EP93919012A EP93919012A EP0660965B1 EP 0660965 B1 EP0660965 B1 EP 0660965B1 EP 93919012 A EP93919012 A EP 93919012A EP 93919012 A EP93919012 A EP 93919012A EP 0660965 B1 EP0660965 B1 EP 0660965B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- circuit breaker
- switch
- switching rocker
- protective circuit
- switching
- 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
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H11/00—Apparatus or processes specially adapted for the manufacture of electric switches
- H01H11/0006—Apparatus or processes specially adapted for the manufacture of electric switches for converting electric switches
- H01H11/0018—Apparatus or processes specially adapted for the manufacture of electric switches for converting electric switches for allowing different operating parts
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
- H01H13/68—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having two operating members, one for opening and one for closing the same set of contacts
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- 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
- H01H71/10—Operating or release mechanisms
- H01H71/50—Manual reset mechanisms which may be also used for manual release
- H01H71/58—Manual reset mechanisms which may be also used for manual release actuated by push-button, pull-knob, or slide
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H3/00—Mechanisms for operating contacts
- H01H3/02—Operating parts, i.e. for operating driving mechanism by a mechanical force external to the switch
- H01H2003/028—Rotating knob or lever or tumbler that can be turned or pushed by hand in only one direction, e.g. by making inaccessible one side of a tumbler
Definitions
- the invention relates to a circuit breaker with the features of the preamble of claim 1.
- circuit breakers are known from FR-A-2 671 907, from US 4 083 027 and from GB 745 744 .
- the circuit breakers have a bimetallic switching mechanism to switch off the circuit breaker in the event of overcurrent.
- the switching mechanism is articulated to a rocker switch. It is designed as a two-armed lever. Each of the two lever arms is articulated with a separate button.
- the switching mechanism can be controlled via the rocker switch by pressurizing the switch buttons. This allows the circuit breaker to be switched on or off manually as required.
- a circuit breaker in which the switching mechanism does not have to be completely replaced if the rocker switch is to be suitable for actuating attachments of different designs and to be actuated.
- the actuating attachment consists of two switch buttons, each of which is articulated to a lever arm of the rocker switch.
- the actuating attachment is a rotatable component.
- an intermediate lever is required in order to convert the rotary movement of the actuating attachment into a rotary movement of the rocker switch.
- a disadvantage of this circuit breaker is that the different alignment of the movement levels of the rocker switch and actuating attachment and the use of the intermediate lever require a considerable amount of space within the circuit breaker housing for the components mentioned. Such a large-volume circuit breaker can therefore not be used in particularly cramped installation conditions, for example in control panels.
- the use of the intermediate lever itself as well as its structurally complex shape for a sufficient power transmission between the actuating attachment and the rocker switch also make the circuit breaker considerably more expensive to manufacture.
- the cumbersome power transmission between the rotating actuating attachment and the rocker switch requires a very precise mechanical coupling between these components. The manufacturing costs of the circuit breaker are thereby increased.
- the invention has for its object to provide a circuit breaker of the type mentioned so that it is simple and can be adapted to the various options for manual actuation of the rocker switch.
- the entire rocker switch is constructed in several parts.
- the two-armed lever forming the actual rocker switch is not actuated directly. It is completely covered by the switch housing and therefore protected against mechanical damage.
- a switch hood or at least one switch button is placed on this lever. Only the housing cover has to be adapted to the outline shape of the respective attachment part for its switching movement with a corresponding housing opening. The number of components to be replaced for changing the manual actuation of the rocker switch is therefore greatly reduced. Different shift paddle assemblies can therefore be implemented with one and the same circuit breaker assembly. This saves material and is inexpensive.
- the housing cover is made in one piece with the rest of the housing. In this case, the housing is replaced when the shift paddle actuation is changed.
- the switching hood acts as a spatial extension of the rocker switch beyond the opening in the housing cover. This two-part construction of the entire rocker switch acts mechanically like the conventional one-piece rocker switch.
- the switching hood can be replaced if necessary with a switch button. Equipping the rocker switch with just a single button is an advantage for certain safety applications. It is conceivable that the circuit must not be interrupted by manually operating the circuit breaker. In this case, the circuit breaker only has a switch button for switching it on manually.
- Such a construction of the rocker switch with an actuating attachment is suitable for single-pole and also for multi-pole circuit breakers.
- the actuating attachment and rocker switch are arranged to save space. All axes of rotation of the switching mechanism are arranged parallel to each other. The lever-like components therefore have the same level of movement as the actuating attachment and rocker switch. This ensures a narrow design of the circuit breaker.
- Claim 3 relates to a preferred embodiment of the mechanical coupling between the actuating attachment and the rocker switch.
- the connection causes the power transmission between the two parts.
- the joint also acts as a protection against loss for the actuating attachment, so that the switching mechanism of the circuit breaker is of compact and mechanically stable construction without any significant outlay.
- the switch button is optionally connectable to one of the two lever arms of the rocker switch. This allows the switch button to be used to manually switch the circuit breaker on or off as required.
- a housing opening designed according to claim 7 enables problem-free guidance of the actuating attachment in its direction of movement.
- the switch button can be designed in a simple manner as a push button and operated by an operator.
- the longitudinal displacement of the switch button enables effective power transmission to the associated lever arm of the rocker switch. Complicated connections between the switch button and rocker switch for power transmission can therefore be avoided.
- the fulcrum of the lever arm is identical to the shift paddle axis.
- the hinge axis of the switch button is therefore not shifted exactly in the direction of its longitudinal axis, but on a circular path with a radius corresponding to the length of the lever arm.
- the deviation of this movement path from the exact longitudinal displacement is, however, reduced to a minimum by the arrangement of the lever arm in its central position. This is a prerequisite for the space-saving construction of the switching mechanism and for the use of the switching button as a push button that can be displaced in its longitudinal axis.
- Claim 11 relates to an additional function of the housing cover.
- a limited swiveling of the rocker switch is useful to ensure two defined switching positions of the actuating attachment.
- the limited pivotability also prevents individual components of the switching mechanism from being damaged or destroyed by an accidentally too large pivoting in their plane of movement.
- the housing cover in addition to its general protective function for the switching mechanism against external influences, the housing cover also has a protective function against excessive force loads on the switching mechanism by an operator.
- Claim 12 relates to an expedient embodiment of the rocker switch for an effective limitation of its pivoting mobility.
- the cover surface of a lever arm that is in full contact with the housing cover during a switching position of the switching rocker causes a good surface pressure of the housing cover on the switching rocker.
- Such an area-effective limit stop protects the rocker switch from damage or destruction in the event of an excessive force introduced in the pivoting direction of the rocker switch.
- the limited swiveling of the switching rocker also relieves the other swiveling parts of the switching mechanism from excessive mechanical stress.
- Claim 13 relates to a preferred embodiment of the shaft.
- the projections of the shaft mean that the switching rocker cannot be pivoted further after the switching position of the switching button has been reached. The entire switching mechanism is therefore protected from excessive mechanical stress by means of the projections.
- Claims 16 and 17 relate to preferred embodiments of the rocker switch for good guidance of the shift buttons during their shifting movements and for their limited pivotability.
- the symmetrical structure of the rocker switch according to claim 18 is a prerequisite for a likewise symmetrical structure of the housing or the housing cover.
- one and the same housing cover can be used to cover the rocker switch and guide the movement of the switch button, regardless of the selection of the lever arm assigned to a switch button.
- the symmetrical design of the rocker switch enables the simple placement of one and the same switch button on one of the two lever arms of the rocker switch.
- the switching hood is constructed in such a way that it can be assembled with the rocker switch used for the switching buttons in such a way that the rocker switch and the switching hood are effective together as a one-piece rocker switch.
- the rocker switch and the switching hood are effective together as a one-piece rocker switch.
- the rocker switch and the interior of the circuit breaker are well protected against mechanical damage.
- the immobile fixation is e.g. realized by latching the rocker switch on the switching hood and ensures the joint effect of the rocker switch and switching hood as a one-piece component.
- the switching hood is structurally designed at its rocker-side end such that the rocker switch serves as a fixing aid during the mounting process of the switching hood.
- the flank protrusions which are already effective compared to the control knobs, support the immobile mounting of the shift hood.
- the known circuit breaker 1 has a housing 2 with a housing cover 3 integrally molded thereon.
- the housing 2 is made of plastic. When viewed in a height direction 4, the housing 2 has a rectangular outer contour. The narrow sides of the housing 2 run in a transverse direction 5 arranged perpendicular to the height direction 4. On the two side surfaces of the housing 2 lying in the plane formed by the height direction 4 and the transverse direction 5, two resilient hooks 6, which are connected in one piece with the housing 2, are provided for fastening the Circuit breaker 1 molded into a front panel, not shown.
- the housing cover 3 protrudes beyond the rectangular outer contour of the housing 2.
- the vertical housing cover 3 also has a rectangular outer contour and lies in a plane formed by the transverse direction 5 and a longitudinal direction 7.
- the longitudinal direction 7 is arranged perpendicular to the height direction 4 and perpendicular to the transverse direction 5.
- a shaft 8 with its shaft height in the height direction 4 is integrally formed on the housing cover 3 for receiving two push buttons 9, 109 which can be actuated in the manner of a push button.
- the shaft 8 is located in the central area of the housing cover 3. When viewed in the vertical direction 4, it has a rectangular outer contour. It has the shape of a cuboid penetrated in the height direction 4 by two shaft interiors 10, 110. The shaft interiors 10, 110 also have a rectangular outer contour in the height direction 4. Both shaft interiors 10, 110 are dimensioned identically. The two shaft interiors 10, 110 are separated from one another by a dividing web 11 running in the transverse direction 5 and forming a one-piece part of the shaft 8. The separating web 11 bisects the shaft 8 in the longitudinal direction 7.
- the shaft interiors 10, 110 each form-fit surround a correspondingly cuboid-shaped actuating end 12, 112 of the switching buttons 9, 109.
- the height of the actuating ends 12, 112 in the height direction 4 roughly corresponds to the corresponding height of the shaft interior 10, 110 (FIG. 3)
- the actuating end 12 of the switch button 9 projects outward from the shaft interior 10 with the greatest part of its constructional height 4, the actuating end 112 of the switch button 109 is completely covered by the shaft 8 in the height direction 4.
- the position of the switch button 9 signals the off position of the circuit breaker 1 (Fig. 5).
- the design of both buttons 9, 109 is identical. For better differentiation of the switching state of the circuit breaker 1, the surfaces of the two switching buttons 9, 109 can be different in color.
- connection contacts 13, 113 and 14, 114 for one circuit each.
- the circuit breaker 1 is therefore designed as a 2-pole overcurrent protection switch.
- the connection contacts 13, 113 and 14, 114 can be bridged by the switching mechanism (FIG. 3) arranged inside the housing 2.
- the circuit breaker 1 shown in FIG. 2 is identical to the circuit breaker 1 shown in FIG. 1. Only the shaft interior 10 is provided on the shaft 8, so that it only receives the switch button 9. In the area of the shaft 8 receiving the switch button 109 according to FIG. 1, no opening for the shaft interior 110 (FIG. 1) is provided on the housing cover 3 in FIG. 2. At this point, the housing cover 3 is closed by a rectangular shaft closure 15 designed in accordance with the cross section of the shaft interior 110. It is an integral part of the housing cover 3.
- circuit breaker 1 Since the circuit breaker 1 has only a single switch button 9, it can only be switched on manually (FIG. 4, FIG. 6). In Fig. 2 and in Fig. 6, the circuit breaker 1 is in its off state.
- Fig. 3 the switching mechanism arranged inside the housing 2 can be seen.
- the individual components of the switching mechanism are carried or supported on a base 16.
- the design and mode of operation of the switching mechanism are described in detail in DE 27 21 162 C2 and in DE 29 28 277.
- a rocker switch 17 is rotatably mounted on the base 16 by a rocker switch axis 18.
- the shift rocker axis 18 extends in the transverse direction 5.
- the plane of movement of the shift rocker 17 is formed by the height direction 4 and the longitudinal direction 7.
- the rocker switch 17 is the closest component to the shaft 8 of the known switching mechanism.
- an actuating pin 19 extending in the transverse direction 5 is arranged on the switching rocker 17.
- the rocker switch 17 acts on the latching lever 20 in the manner of a link guide by means of the actuating pin 19.
- the latching lever 20 acts with a lever end on a contact spring 21 arranged with its longer leg in the longitudinal direction 7.
- a contact end 22 attached to the free end of the contact spring 21 the former is electrically conductively connected to the terminal contact 113. Since the contact spring 21 is fixed with its fastening end to the connection contact 13, the two connection contacts 13, 113 are also connected to one another in an electrically conductive manner.
- the circuit breaker 1 is therefore in its on state.
- a bimetal strip 23 with a movable leg in the longitudinal direction 7 acts on a lever arm of a release lever 24, which also extends approximately in the longitudinal direction 7.
- the release lever 24 is rotatably supported by a lever axis running in the transverse direction 5.
- the plane of movement of all levers of the switching mechanism is formed by the height direction 4 and the longitudinal direction 7.
- the bimetal strip 23 acts on the release lever 24 in such a way that it is rotated counterclockwise in the vertical direction 4.
- the rocker switch 17 is thereby rotated clockwise about its rocker switch axis 18.
- the circuit breaker 1 is in its off state (Fig. 5, Fig. 6).
- a contact plug 25 is arranged on the area of the base 16 facing away from the switching rocker 17 in the vertical direction 4.
- the contact plug 25 is used to connect a control unit, not shown here, as a second protective element for a circuit. This is described in detail in DE 29 28 277 C2.
- the rocker switch 17 has an approximately trapezoidal outer contour.
- the trapezoidal side surface of the rocker switch 17 forms a bracket 26.
- a further bracket 26 is arranged behind the base 16.
- the arms 26 are congruent.
- the arms 26 lie in the plane formed by the height direction 4 and the longitudinal direction 7.
- the inner surfaces of the arms 26 facing each other in the transverse direction 5 flank a side surface of the base 16.
- the trapezoidal outer surface of the rocker switch 17 contains an imaginary shorter and longer diagonal.
- the shift rocker axis 18 running in the transverse direction 5 is arranged approximately at the intersection of these two diagonals.
- the two switch buttons 9, 109 are each pivotally mounted on the rocker switch 17 via an articulated axis 27 or 127.
- the hinge axes 27, 127 and the shift rocker axis 18 run parallel to one another.
- the centers of the three axes mentioned above lie on a common connecting line. This connecting line lies approximately on the longer imaginary diagonal of the trapezoidal outer surface of the rocker switch 17.
- the rocker switch 17 is constructed symmetrically in its areas essential for receiving the switch button 9, 109 or the switching hood 41 . For this reason, both joint axes 27, 127 are at the same distance from the shift rocker axis 18.
- the actuating end 12 of the switch button 9 is extended along the height direction 4 in the direction of the rocker switch 17 by a fork arm 28.
- a total of two fork arms 28 are integrally formed on the actuating end 12. In the viewing direction of the transverse direction 5, they are arranged congruently to one another.
- the fork arms 28 have a conically tapering in the direction of the hinge axis 27 Outer contour on. In the area of the imaginary cone tip, the fork arm 28 is rounded off approximately semicircularly. This region of the fork arm 28 forms a bearing end 29 of the switch button 9.
- the fork arm 28 has a smaller extension in the longitudinal direction 7 than the actuating end 12.
- the two fork arms 28 encompass the rocker switch 17 in a fork-like manner and flank it on both sides parallel to the lever arm thereof.
- the hinge axis 27 extends through the two bearing ends 29 and the rocker switch 17. In this way, the switch knob 9 is pivotable and at the same time captively secured on the rocker switch 17.
- the fork arm 28 is configured symmetrically.
- This imaginary axis of symmetry is offset in the longitudinal direction 7 with respect to a longitudinal axis 30 of the switch button 9 which also extends in the vertical direction 4, the distance between the imaginary axis of symmetry and the separating web 11 being greater than the distance between the longitudinal axis 30 and the dividing web 11.
- the rectangular outer contour of the actuating end is halved by the longitudinal axis 30.
- transition regions between the side edges of the actuating ends 12, 112 running in the height direction 4 and the longitudinal direction 7 are rounded in a quarter circle.
- the transitions between the actuating end 12 and fork arm 28 are also rounded.
- the two joint axes 27, 127 are at a greater distance from one another than the two longitudinal axes 30, 130.
- the actuation end 12 lies in a form-fitting manner in the interior 10 of the shaft.
- the actuating end 12 is completely covered by the shaft 8 or by the separating web 11.
- the overall height of the shaft interior 10 viewed in the height direction 4 is somewhat larger than the corresponding extension of the actuating end 12.
- the outer surface of the actuating end 12 facing away from the rocker switch 17 is flush with the shaft 8.
- a nose-shaped end stop 31 is arranged on the inner end of the shaft interior 10 facing the rocker switch 17.
- the end stop 31 is in one piece on the the dividing web 11 formed in the longitudinal direction 7 opposite inner wall of the shaft 8. It protrudes somewhat into the interior 10 of the shaft and reduces its cross-sectional area.
- an end stop 131 for the switch button 109 is formed in the same way.
- the housing cover 3 together with its shaft 8 formed thereon is constructed symmetrically with respect to a switch axis 32 that runs parallel to the height direction 4 and intersects the separating web 11.
- the housing cover 3 and the shaft 8 together form approximately the shape of a hat.
- the end regions of the housing cover 3 form the brim of the hat which projects beyond the shaft 8.
- These brims are effective as lid ends 33, 133.
- the cover ends 33, 133, viewed in the longitudinal direction 7, extend into the area of the hooks 6.
- the surface of the lid ends 33, 133 facing the hook 6 runs exactly in the longitudinal direction 7.
- the surface facing away from it in the vertical direction 4 is slightly inclined with respect to the longitudinal direction 7, so that the lid ends 33, 133 taper in the direction of the hook 6.
- a side wall 34 of the housing 2 extending in the vertical direction 4 adjoins the shaft 8 facing away from the cover end 33. It is integrally formed on the innermost region of the lid end 33, viewed in the longitudinal direction 7.
- the side wall 34 is provided with a bevel 35 approximately at the level of the hinge axis 27.
- Another part of the side wall 34 extending in the height direction 4 adjoins the bevel 35.
- the distance from this part of the side wall 34 to the switch axis 32 is somewhat larger than the same distance from the part of the side wall 34 directly adjoining the cover end 33.
- the interior of the housing 2 is thereby enlarged in its area facing away from the shaft 8 in the height direction 4.
- the side walls 34, 134 are arranged and configured symmetrically to one another with respect to the switch axis 32. It is only in the area which is the most distant from the cover end 133 in the height direction 4 that Side wall 134 is shorter than the side wall 34. This asymmetry of the side walls 34, 134 is due to the structure of the base 16.
- the base 16 is pushed in the height direction 4 into the interior of the housing 2.
- the inner walls of the bevels 35, 135 form latching stops for the base 16 for fixing it within the housing 2.
- flank extension 36 rests on the base 16 with its wedge tip.
- the flank extension 36 is part of a flank 37 integrally formed on the rocker switch 17 and extending along the longitudinal direction 7.
- the flank 37 is designed as a hollow cylinder segment in the region of the bearing end 29 and is effective as a trough 38.
- the trough 38 lies directly against the bearing end 29 of the switch button 9 which is designed as a cylinder jacket segment.
- the fork arm 28 is therefore guided by the trough 38 as in a bearing pan during the pivoting movements of the switch button 9.
- the trough 38 is widened in the direction of the switch axis 32 such that part of the surface of the fork arm 28 which adjoins the bearing end 29 and faces the switch axis 32 bears against the trough 38.
- This extension of the trough 38 forms a swivel stop for the fork arm 28.
- the flank 37 is angled as a flank web 39 in the direction of the shift rocker axis 18.
- the flank 37 is constructed symmetrically with respect to an axis of symmetry which is arranged perpendicular to the connecting line of the joint axes 27, 127 and which intersects the rocker switch 18.
- the switch button 109 is therefore guided in the same way as the switch button 9 by a recess 138.
- the two flank webs 39, 139 are arranged at an obtuse angle to one another. They meet in an area between the shaft 8 and the shift paddle axis 18.
- the lever arms geometrically formed by the connecting line between the rocker switch axis 18 and the joint axis 27 or 127 are structurally limited by the cover surfaces 40, 140 facing the shaft 8.
- the cover surfaces 40, 140 form two sides of the approximately trapezoidal rocker switch 17 arranged at an obtuse angle to one another.
- the switch axis 32 passes through the apex of the obtuse angle.
- the connecting line between the two hinge axes 27, 127 is arranged perpendicular to the switch axis 32.
- the top surface 140 runs exactly in the longitudinal direction 7 and lies against the inner end of the shaft interior 110.
- the top surface 140 and the longitudinal axis 130 form a right angle.
- the actuating end 112 of the switch button 109 projects beyond the shaft 8 from the outside.
- the part of the actuating end 112 that is visible from the outside signals the switched-on state of the circuit breaker 1.
- the circuit breaker 1 in Figure 4 is in its on state.
- the top surface 140 and the shaft closure 15 rest against one another with their mutually facing surfaces.
- the circuit breaker 1 which is only equipped with a switch button 9 in FIG. 4 can only be switched on manually (FIG. 4, FIG. 6).
- the shaft 108 has an end stop 31 which is arranged and designed in the same way as the shaft 8 (FIG. 3).
- a second end stop 31 is formed on the shaft 8 opposite the first end stop 31 in the longitudinal direction 7. It is arranged on the inner wall of the shaft 108 facing the shaft closure 15. With respect to the longitudinal axis 30, they are symmetrical to each other.
- circuit breaker 1 The operation of the circuit breaker 1 is explained with reference to Fig.3 to Fig.6.
- the switch button 109 protruding beyond the shaft 8 indicates the on state of the circuit breaker 1.
- the switching mechanism is activated by the counterclockwise curved free end of the bimetallic strip 23 triggered.
- the rocker switch 17 is thereby pivoted clockwise about its rocker rocker axis 18.
- the buttons 9, 109 are moved in the vertical direction 4.
- the actuating end 112 which is visible from the outside when the circuit breaker 1 is switched on, plunges into the shaft interior 110 during the pivoting.
- the actuating end 12 of the switch button 9 is visible to the outside (FIG. 5).
- the switch button 9 thereby signals the switch-off state of the circuit breaker 1.
- the electrical contact between the contact end 22 and the connection contact 113 is interrupted.
- the pivotability of the rocker switch 17 is limited by its shape.
- the flank extension 36 strikes when the circuit breaker 1 is transferred from its switched-on state (FIG. 3) to its switched-off state (FIG. 5) at the inner end of the shaft interior 10 in the region of the end stop 31.
- the flank extension 136 bears against the base 16 in the region of the bevel 135. A defined switch-on position of the rocker switch 17 is thereby achieved.
- the circuit breaker 1 can be switched on again by manually actuating the switch button 9.
- the actuating end 12 of the switch button 9 is pushed into the shaft interior 10.
- the actuating ends 12, 112 are affected by side walls of the shaft 8 or by the separating web 11.
- the switch buttons 9, 109 can be actuated in a simple manner like a push button, whereby they are displaced in the direction of their longitudinal axis 30, 130.
- the switch button 9 is pressurized in the direction of the rocker switch 17 until its actuating end 12 bears against the end stop 31 (FIG. 3) or the two end stops 31 (FIG. 4).
- the rocker switch 17 is turned counterclockwise pivoted. As soon as the actuating end 12 abuts the end stop 31, the flank extension 36 strikes the base 16 in the region of the bevel 35. In addition, the top surface 140 bears against the inner end of the shaft interior 110 (FIG. 3) or against the shaft closure 15 (FIG. 4).
- the longitudinal displacement of the switch button 9 and the pivoting of the rocker switch 17 are limited so that a clear switch-on position of the rocker switch 17 is achieved.
- the large number of limit stops prevents damage or destruction of the switch button 9, 109, the rocker switch 17 or other components of the switching mechanism caused by excessive forces.
- the visual recognizability of the switching state of the circuit breaker 1 can additionally be improved by designing the surfaces of the switching buttons 9, 109 in different colors or by providing them with a special warning color.
- the geometric lever arms are arranged parallel to the housing cover 3 and perpendicular to the longitudinal axes 30, 130 in a central position of the rocker switch 17 lying between the on and off position. Starting from this middle position, the same displacement path results for the switching buttons 9, 109 in the height direction 4 in order to achieve the switching rocker 17 on or off position. This favors the symmetrical and thus space-saving structure of the circuit breaker 1.
- This special arrangement of the geometric lever arms is also very useful in order to be able to approximate the displacement of the articulated axes 27, 127 in the plane of movement of the rocker switch 17 as exactly as possible to a longitudinal displacement in the height direction 4 . This is a prerequisite for the simple functioning of the switch buttons 9, 109 and the narrow design of the circuit breaker 1.
- control buttons 9, 109 are further improved by the troughs 38, 138 resting on the bearing ends 29, 129. They also limit the pivotability of the switch buttons 9, 109 in the plane of movement of the rocker switch 17.
- a switching hood 41 is placed on the rocker switch 17 and fixed thereon.
- the housing 2 of the circuit breaker 1 is shown only schematically in broken lines.
- the switching rocker 17 fixing the switching hood 41 is identical to the switching rocker 17 fixing the switching buttons 9,109.
- the cover 3 with its cover ends 33,133 and the side walls 34,134 adjoining it to the rest of the housing 2 are structurally identical to the exemplary embodiments in FIGS. 1 to FIG. 6.
- the housing cover 3 in FIG. 7 differs from the other exemplary embodiments essentially only in the design of a shaft for receiving the switching hood 41.
- the shaft also surrounds the switching hood 42 as a hood shaft 45 in the plane spanned by the transverse direction 5 and the longitudinal direction 7 short distance for free mobility of the switching hood 42 corresponding to the switching movements of the rocker switch 17.
- the hood shaft 45 protrudes the surface of the cover 3 in the height direction 4 only slightly, in contrast to the shaft 8.
- the top of the hood shaft 45 is flush with the portion of the hood top 42 which runs parallel to the longitudinal direction 7, depending on the switching position of the rocker switch 17. Both sub-areas are separated from one another by the trough-shaped depression of the hood top 42, which is convex with respect to the rocker switch 17, and are functionally comparable to the actuating ends 12, 112 of the switch buttons 9, 109.
- the switching hood 41 is symmetrical with respect to the switch axis 32, provided that the connecting line between the articulated axis 27 and the switching rocker axis 18 runs parallel to the longitudinal direction 7.
- the hood top 42 is connected to two congruent hood fork arms 43, of which only one hood fork arm 43 is visible in FIG. 7.
- the hood boom arms 43 lie in a plane spanned by the height direction 4 and the longitudinal direction 7. They overlap the rocker switch 17 and lie with their mutually facing surfaces on an outer side of the rocker switch 17.
- the edge edge of the hood fork arm 43 facing the troughs 38, 138 and the flank webs 39, 39 and oriented in the longitudinal direction 7 is widened in a V-shape.
- the two V-legs are arranged at an obtuse angle to one another and run parallel to the flank webs 39, 139.
- the two V-legs are each extended by a hood bearing end 44,144.
- the two hood bearing ends 44, 144 face the flanks 37, 137 approximately in the vertical direction 4 and bear positively on the troughs 38, 138.
- the hood bearing ends 44, 144 each contain a bore through which the joint axis 27 and 127 pass.
- the switching hood 41 is fixed immovably on the switching rocker by means of the articulated axes 27, 127.
- circuit breaker 1 The structure of the circuit breaker 1 shown here is suitable for single-pole and multi-pole circuit breakers, which can also be provided with further attachments or protective elements.
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Tumbler Switches (AREA)
- Rotary Switch, Piano Key Switch, And Lever Switch (AREA)
- Keying Circuit Devices (AREA)
- Switches With Compound Operations (AREA)
- Breakers (AREA)
- Push-Button Switches (AREA)
Claims (21)
- Commutateur de sécurité (1) comprenant :- une touche basculante (17) pour la commutation marche/arrêt, montée en basculement sur un socle (16) et formant un levier à deux bras,- un boîtier (2) susceptible d'être mis en place sur le socle (16) et entourant celui-ci de manière à empêcher de toucher celui-ci,- un couvercle de boîtier (3) situé du côté actionnement du commutateur de sécurité (1) afin de recouvrir la touche basculante (17),- une garniture d'actionnement qui traverse une ouverture du couvercle de boîtier (3) afin de faire basculer la touche basculante (17),- une articulation disposée sur chaque bras de levier de la touche basculante (17) afin de relier de manière modulaire avec la touche basculante (17) des garnitures d'actionnement différentes interchangeables les unes avec les autres,caractérisé en ce qu'il comprend en tant que garnitures d'actionnement interchangeables les unes avec les autres :- au moins un bouton de commutateur (9, 109) susceptible d'être déplacé longitudinalement dans le couvercle de boîtier (3) transversalement à l'ouverture, relié à l'un des bras de levier de la touche basculante (17) à la manière d'une chaîne cinématique ouverte, et- un capot de commutateur (41) mobile en rotation dans le couvercle de boîtier (3) par rapport à l'axe de basculement (18) de la touche basculante (17) et relié à cet effet aux deux bras de levier de la touche basculante (17) à la manière d'une chaîne cinématique surajoutée.
- Commutateur de sécurité selon la revendication 1, caractérisé en ce que l'articulation des bras de levier est une articulation à axe, avec un axe d'articulation (27, 127) parallèle à l'axe (18) de la touche basculante.
- Commutateur de sécurité selon l'une ou l'autre des revendications 1 et 2, caractérisé en ce que l'extrémité côté touche de la garniture d'actionnement est reliée, en tant qu'extrémité de montage (29, 129 ; 44, 144), via l'articulation avec le bras de levier de la touche basculante (17).
- Commutateur de sécurité selon la revendication 3, caractérisé en ce que la garniture d'actionnement est située dans le plan de déplacement de la touche basculante (17).
- Commutateur de sécurité selon l'une quelconque des revendications 1 à 4, caractérisé en ce que la garniture d'actionnement mobile longitudinalement comprend un bouton-poussoir unique (9, 109) relié au bras de levier associé de la touche basculante (17), et en ce que l'autre bras de levier est recouvert par le couvercle du boîtier (3).
- Commutateur de sécurité selon l'une quelconque des revendications précédentes, caractérisé en ce que dans l'une des deux positions de commutation la garniture d'actionnement dépasse hors de l'ouverture du boîtier plus loin du côté du bras de levier de la touche basculante (17) qui subit une pression lors de l'actionnement, que dans l'autre position de commutation, et signalise ainsi la condition de commutation du commutateur (1).
- Commutateur de sécurité selon l'une quelconque des revendications 1 à 6, caractérisé en ce que l'ouverture du boîtier est la bordure d'un puits de réception (8, 45) qui dépasse au-delà du couvercle de boîtier (3).
- Commutateur de sécurité selon l'une quelconque des revendications précédentes, caractérisé en ce que le bras de levier qui contient l'articulation et l'axe (18) de la touche basculante occupe dans sa position médiane située entre la position de marche et la position d'arrêt une position approximativement parallèle au couvercle de boîtier (3) qui contient l'ouverture.
- Commutateur de sécurité selon l'une quelconque des revendications précédentes, caractérisé en ce que la hauteur du puits et la longueur du bouton de commutateur sont adaptées l'une à l'autre d'une manière telle que le bouton de commutation (9, 109) dépasse par son extrémité d'actionnement (12, 112) de manière visible de l'extérieur au-delà de l'ouverture du puits uniquement dans l'une de ses deux positions de commutation.
- Commutateur de sécurité selon l'une quelconque des revendications 1 à 8, caractérisé en ce que la hauteur du puits et la hauteur du capot de commutateur (41) sont ajustées l'une à l'autre de telle manière que le capot de commutateur (41) dépasse de manière visible depuis l'extérieur au-delà de l'ouverture du puits par sa face supérieure (42), qui forme l'extrémité d'actionnement, du côté du bras de levier de la touche basculante (17) sollicité en pression, uniquement dans l'une de ses deux positions de commutation.
- Commutateur de sécurité selon l'une quelconque des revendications précédentes, caractérisé en ce que la touche basculante (17) vient buter dans ses deux positions de commutation par un bras de levier contre la face intérieure du couvercle de boîtier (3), qui forme ainsi une butée de limitation de basculement.
- Commutateur de sécurité selon l'une quelconque des revendications précédentes, caractérisé en ce que les surfaces de couverture (40, 140), orientées vers le couvercle de boîtier (3), des bras de levier de la touche basculante (17) forment un angle obtus d'une valeur telle qu'elles s'appuient dans les deux positions de commutation sensiblement sur toute leur surface contre la surface intérieure du couvercle de boîtier (3).
- Commutateur de sécurité selon l'une quelconque des revendications précédentes, caractérisé en ce qu'il comprend une saillie, qui dépasse dans la région de l'extrémité intérieure du puits (8, 45) dans l'espace intérieur de celui-ci, en tant que butée finale (31, 131) pour l'extrémité d'actionnement (12, 112 ; 42) de la garniture d'actionnement.
- Commutateur de sécurité selon l'une quelconque des revendications précédentes, caractérisé en ce que l'extrémité de montage (29, 129 ; 44, 144) de la garniture d'actionnement entoure à la manière d'une fourche le bras de levier associé de la touche basculante (17), de telle manière que les deux bras de fourche (28, 128 ; 43) sont disposés sur des côtés différents du plan de déplacement de la touche basculante (17).
- Commutateur de sécurité selon la revendication 14, caractérisé par le fait que les bras de fourche (28, 128 ; 43) de la garniture d'actionnement sont en appui en surface contre les flancs ( 26) de la touche basculante qui s'étendent parallèlement au plan de déplacement.
- Commutateur de sécurité selon l'une quelconque des revendications précédentes, caractérisé en ce que les extrémités de montage (29, 129) des bras de fourche (28, 128) du bouton de commutateur (9, 109) sont réalisées sous la forme de segments d'enveloppe cylindrique qui présentent en tant qu'axe pour le cylindre l'axe d'articulation (27, 127), et en ce que lesdites extrémités sont guidées contre des saillies moulées de façon correspondante sur les flancs ( 38, 138) de la touche basculante (17), comme dans une patte de montage respective.
- Commutateur de sécurité selon la revendication 16, caractérisé en ce que les deux bossages (38, 138) agissant en tant que pattes de montage s'étendent si loin en direction de l'extrémité d'actionnement (12, 112) du bouton de commutateur (9, 109) qu'ils forment dans les deux positions de commutation à cet emplacement des butées de basculement latérales pour les deux bras de fourche (28, 128).
- Commutateur de sécurité selon l'une quelconque des revendications précédentes, caractérisé en ce que la touche basculante (17) est réalisée de façon symétrique par rapport à un axe de symétrie agencé perpendiculairement à la ligne de liaison des deux articulations des bras de levier, et recoupant par moitié cette ligne de liaison.
- Commutateur de sécurité selon l'une quelconque des revendications précédentes, caractérisé en ce que le capot de commutateur (41) recouvre, par sa face supérieure (42) qui forme l'extrémité d'actionnement, les surfaces de couverture (40, 140) des deux bras de levier de la touche basculante (17).
- Commutateur de sécurité selon la revendication 19, caractérisé en ce que chaque bras de fourche (43) du capot comporte deux extrémités de montage (44, 144) en appui contre les deux saillies ( 38, 138) d'un flanc ( 26) de la touche basculante (17).
- Commutateur de sécurité selon la revendication 20, caractérisé en ce que les extrémités de montage (44, 144) du capot sont appliquées en coopération de formes contre les saillies ( 38, 138) des flancs.
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE9212645U | 1992-09-19 | ||
DE9212645 | 1992-09-19 | ||
DE9213787U | 1992-10-13 | ||
DE9213787 | 1992-10-13 | ||
PCT/DE1993/000880 WO1994007255A1 (fr) | 1992-09-19 | 1993-09-17 | Commutateur de securite actionne par bouton |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0660965A1 EP0660965A1 (fr) | 1995-07-05 |
EP0660965B1 true EP0660965B1 (fr) | 1997-04-09 |
Family
ID=25959948
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP93919012A Expired - Lifetime EP0660965B1 (fr) | 1992-09-19 | 1993-09-17 | Commutateur de securite actionne par bouton |
Country Status (6)
Country | Link |
---|---|
US (1) | US5558211A (fr) |
EP (1) | EP0660965B1 (fr) |
JP (1) | JP2904928B2 (fr) |
AT (1) | ATE151565T1 (fr) |
DE (2) | DE59306131D1 (fr) |
WO (1) | WO1994007255A1 (fr) |
Families Citing this family (34)
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DE4439008C2 (de) * | 1994-11-02 | 1999-05-27 | Eaton Controls Gmbh | Elektrischer Tastschalter |
US5834996A (en) * | 1996-04-18 | 1998-11-10 | Ellenberger & Poensgen Gmbh | Electric switch having undervoltage tripping |
DE19835068A1 (de) * | 1998-08-04 | 2000-02-10 | Zeiss Carl Jena Gmbh | Mikroskop, insbesondere Laser-Scanning-Mikroskop |
US6345464B1 (en) * | 1999-01-13 | 2002-02-12 | Surefire, Llc | Firearms with target illuminators, electric switching devices and battery power sources |
US6380500B1 (en) * | 2000-05-22 | 2002-04-30 | Eaton Corporation | Rocker switch and seal arrangement |
ES2167241B1 (es) * | 2000-06-12 | 2003-11-16 | Otis Elevator Co | Dispositivo mecanico de rearme para interruptor. |
US6323450B1 (en) * | 2000-07-28 | 2001-11-27 | Tsung-Mou Yu | Switch assembly |
US6326572B1 (en) | 2000-09-02 | 2001-12-04 | Tsung-Mou Yu | Push-button switch assembly |
US6609810B2 (en) | 2002-01-15 | 2003-08-26 | Surefire, Llc | Illumination apparatus with removably securable switch device |
US7409888B2 (en) * | 2002-12-09 | 2008-08-12 | Bendix Commercial Vehicle Systems, Llc | Cover for parking brake control valve button |
US6861602B2 (en) * | 2003-01-27 | 2005-03-01 | A.L. Hansen Manufacturing Co. | Push button and method for use thereof |
US6713704B1 (en) | 2003-02-03 | 2004-03-30 | Tsung-Mou Yu | Pushbutton assembly |
US6818848B2 (en) * | 2003-02-03 | 2004-11-16 | Tsung-Mou Yu | Pushbutton assembly with positioning rod and disk |
US6800826B1 (en) | 2003-05-24 | 2004-10-05 | Tsung-Mou Yu | Activation mechanism for switch devices |
US6788186B1 (en) * | 2003-05-31 | 2004-09-07 | Tsung-Mou Yu | Activation mechanism for switch devices |
US7750510B2 (en) * | 2004-02-04 | 2010-07-06 | Hewlett-Packard Development Company, L.P. | Device switch actuation |
US6894241B1 (en) | 2004-02-26 | 2005-05-17 | Tsung-Mou Yu | Resilient switching device |
US6884955B1 (en) | 2004-04-20 | 2005-04-26 | Tsung-Mou Yu | Circuit breaker on a pushbutton switch having a linkage movably connected to the pushbutton so as to allow free movement of a heat sensitive plate |
US6933455B1 (en) | 2004-04-28 | 2005-08-23 | Tsung-Mou Yu | Circuit breaker on a pushbutton switch |
US6940389B1 (en) | 2004-05-14 | 2005-09-06 | Tsung-Mou Yu | Mechanism for ensuring bimetallic plate to be deformed without barrier |
US7148784B2 (en) * | 2004-05-26 | 2006-12-12 | Tsung-Mou Yu | Safety switch device |
US7005957B2 (en) | 2004-05-29 | 2006-02-28 | Tsung-Mou Yu | Mechanism for trip-free of the bimetallic plate of a safety switch device |
US7202769B2 (en) * | 2004-06-19 | 2007-04-10 | Tsung-Mou Yu | Protection mechanism for switch |
US6864453B1 (en) | 2004-07-08 | 2005-03-08 | Tsung-Mou Yu | Protection mechanism for switch |
US7034650B2 (en) | 2004-07-10 | 2006-04-25 | Tsung-Mou Yu | Protection mechanism for switches |
US7030726B2 (en) * | 2004-07-10 | 2006-04-18 | Tsung-Mou Yu | Protection mechanism for switches |
ZA200506062B (en) * | 2004-10-04 | 2007-12-27 | Circuit Breaker Ind | Trip indicative rocker switch |
US7656268B2 (en) * | 2005-07-02 | 2010-02-02 | Tsung-Mou Yu | Safety switch |
US7292129B2 (en) * | 2005-07-02 | 2007-11-06 | Tsung-Mou Yu | Protection device for switches |
US7583174B2 (en) * | 2007-11-14 | 2009-09-01 | Tsung Mou Yu | Safety switch |
US7583175B2 (en) * | 2007-11-16 | 2009-09-01 | Tsung Mou Yu | Safety switch |
SE536554C2 (sv) * | 2012-06-19 | 2014-02-18 | Scania Cv Ab | Ställarkonfiguration |
US9373465B1 (en) | 2015-04-10 | 2016-06-21 | Tsung-Mou Yu | Switch with overload release structure |
CN112755513B (zh) * | 2021-01-26 | 2022-08-16 | 歌尔科技有限公司 | 摇杆组件及电子设备 |
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GB745744A (en) * | 1953-02-26 | 1956-02-29 | Crabtree & Co Ltd J A | Improvements in and connected with electric switches or circuit breakers |
US3518597A (en) * | 1968-04-29 | 1970-06-30 | Ite Imperial Corp | Manual motor starter |
GB1520451A (en) * | 1975-07-04 | 1978-08-09 | Philips Electronic Associated | Electric switches |
US4083027A (en) * | 1975-11-24 | 1978-04-04 | Westinghouse Electric Corporation | Pushbutton electric switch |
DE2720724C2 (de) * | 1977-05-07 | 1982-11-25 | Bär Elektrowerke KG, 5885 Schalksmühle | Elektrischer Einbauschalter |
DE7714923U1 (de) * | 1977-05-11 | 1977-09-01 | Ellenberger & Poensgen Gmbh, 8503 Altdorf | Überstromschutzschalter mit Ein- und Ausschaltwippe |
US4117285A (en) * | 1977-08-19 | 1978-09-26 | Airpax Electronics Incorporated | Snap action circuit breaker |
US4166935A (en) * | 1978-09-22 | 1979-09-04 | Cutler-Hammer, Inc. | Alternately-operable two-pushbutton switch |
DE2928277C2 (de) * | 1979-07-13 | 1983-12-01 | Ellenberger & Poensgen Gmbh, 8503 Altdorf | Kombinierbarer zweipoliger Überstromschutzschalter |
US4654488A (en) * | 1986-03-26 | 1987-03-31 | Northern Telecom Limited | Push and rocker action switch |
US4943694A (en) * | 1989-05-01 | 1990-07-24 | Neil Kroth | Push-button cover assembly |
FR2671907B1 (fr) * | 1991-01-17 | 1995-05-12 | Telemecanique | Disjoncteur a commande manuelle variable. |
-
1993
- 1993-09-17 JP JP6507690A patent/JP2904928B2/ja not_active Expired - Lifetime
- 1993-09-17 DE DE59306131T patent/DE59306131D1/de not_active Expired - Lifetime
- 1993-09-17 EP EP93919012A patent/EP0660965B1/fr not_active Expired - Lifetime
- 1993-09-17 DE DE9321289U patent/DE9321289U1/de not_active Expired - Lifetime
- 1993-09-17 AT AT93919012T patent/ATE151565T1/de active
- 1993-09-17 WO PCT/DE1993/000880 patent/WO1994007255A1/fr active IP Right Grant
-
1995
- 1995-03-15 US US08/397,256 patent/US5558211A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
JP2904928B2 (ja) | 1999-06-14 |
JPH07507656A (ja) | 1995-08-24 |
DE59306131D1 (de) | 1997-05-15 |
ATE151565T1 (de) | 1997-04-15 |
DE9321289U1 (de) | 1997-01-09 |
WO1994007255A1 (fr) | 1994-03-31 |
EP0660965A1 (fr) | 1995-07-05 |
US5558211A (en) | 1996-09-24 |
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