EP0616347B1 - Mehrpoliger Schutzschalter - Google Patents
Mehrpoliger Schutzschalter Download PDFInfo
- Publication number
- EP0616347B1 EP0616347B1 EP94101023A EP94101023A EP0616347B1 EP 0616347 B1 EP0616347 B1 EP 0616347B1 EP 94101023 A EP94101023 A EP 94101023A EP 94101023 A EP94101023 A EP 94101023A EP 0616347 B1 EP0616347 B1 EP 0616347B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- circuit breaker
- housing
- shell
- breaker according
- 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
Links
- 230000005405 multipole Effects 0.000 title claims abstract description 10
- 230000008878 coupling Effects 0.000 claims abstract description 70
- 238000010168 coupling process Methods 0.000 claims abstract description 70
- 238000005859 coupling reaction Methods 0.000 claims abstract description 70
- 230000007246 mechanism Effects 0.000 claims abstract description 36
- 230000033001 locomotion Effects 0.000 claims description 31
- 238000005538 encapsulation Methods 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 description 20
- 230000005540 biological transmission Effects 0.000 description 5
- 238000010276 construction Methods 0.000 description 3
- 239000000834 fixative Substances 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000001960 triggered effect Effects 0.000 description 2
- 230000001154 acute effect Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- IHQKEDIOMGYHEB-UHFFFAOYSA-M sodium dimethylarsinate Chemical class [Na+].C[As](C)([O-])=O IHQKEDIOMGYHEB-UHFFFAOYSA-M 0.000 description 1
Images
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
-
- 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
-
- 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
- H01H71/1009—Interconnected mechanisms
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H73/00—Protective overload circuit-breaking switches in which excess current opens the contacts by automatic release of mechanical energy stored by previous operation of a hand reset mechanism
- H01H73/22—Protective overload circuit-breaking switches in which excess current opens the contacts by automatic release of mechanical energy stored by previous operation of a hand reset mechanism having electrothermal release and no other automatic release
- H01H73/26—Protective overload circuit-breaking switches in which excess current opens the contacts by automatic release of mechanical energy stored by previous operation of a hand reset mechanism having electrothermal release and no other automatic release reset by tumbler
Definitions
- the invention relates to a circuit breaker with the features of the preamble of claim 1.
- Such a circuit breaker is known from EP-B-0 208 613 .
- the switch housing of the circuit breaker disclosed there has two outer shells, namely a housing shell and an end shell which can be placed thereon.
- the switching mechanism is arranged between the two shells.
- the circuit breaker can be tripped free in the event of overcurrent, for example, by means of a bimetal connected to the switching mechanism.
- the single-pole circuit breaker with the between the housing shell and the end shell formed into a pole chamber Multi-pole circuit breaker with a corresponding number of pole chambers expandable.
- the housing shell and the end shell one or more intermediate shells of identical design inserted.
- the section of the housing shell facing The intermediate housing shell corresponds structurally to the end shell.
- the housing intermediate shell is therefore in the same way as the end shell placed on the housing shell.
- the section facing the end shell the intermediate housing shell corresponds structurally to the housing shell. In this way, the single-pole circuit breaker is connected to a circuit breaker expandable to any number of poles.
- the same switching mechanism is located in each pole chamber. So a common one Opening of all poles of the circuit breaker is possible and closing the electrical contacts causing identical shift levers all pole chambers coupled together.
- the coupling parts are on the shift levers molded cylindrical bolts with a perpendicular to Longitudinal axis of the shell.
- the mechanical stability of each bolt is unique Torsional moments affected.
- the torsional moments reduce the above ⁇ additional torque.
- the shells of protection ⁇ switch structurally very complex to ensure a perfect rotary movement to allow the bolt.
- the desired storage is not always influenced guaranteed.
- the risk of the bolt being misaligned with respect to it Bearing bore is very large. This effect increases accordingly Number of poles of the circuit breaker.
- the transmitted torque is thereby further decreased.
- the misalignment even leads to a blockage of the bolt.
- skewed bolts can damage the shells.
- the heating inside the pole chambers leads to deformations the bearing holes so that the storage of the bolts is further affected.
- Another multipole circuit breaker is known from FR-B-1596145.
- the outgoing from a single-pole circuit breaker by adding identical modules is modularly expandable to a multi-pole circuit breaker.
- an additional, two-armed swivel lever is provided in each pole chamber. All swivel levers are of a single one that forms the swivel axis Rod interspersed. All switching mechanisms are indeed via these additional levers of a multi-pole circuit breaker coupled together for a single-pole Circuit breaker the auxiliary lever has no function at all. With single-pole This pole chamber itself will be overloaded without its switching mechanism triggered and released the additional lever.
- the additional levers only serve as Coupling means, so the actual switching mechanism in the case of single-pole overload
- the switching mechanisms of the other pole chambers also indirectly via the additional levers triggers.
- the provision of the additional lever is disadvantageous because it involves the expense of components and thus the assembly and manufacturing costs of the circuit breaker increase.
- the indirect coupling of the triggering switching mechanism is delayed the triggering of the neighboring lever via the pivoting movements of the additional lever Switching mechanisms.
- the multi-pole circuit breaker therefore has one relatively large tripping time until all contacts open, whereby the operational safety of the multi-pole circuit breaker are impaired can.
- each shift lever is pivot-mounted on the housing side.
- the rotary motion the shift lever therefore only acts independently of the Number of poles consistently low friction due to the swivel bearing opposite.
- Such storage prevents the transmission of frictional forces on adjacent shift levers.
- This enables the coupling rod a smooth transmission of the rotary movement of the immediately triggering Shift lever on the other shift levers even with a larger number of poles.
- the common tripping of all poles of the circuit breaker is therefore guaranteed.
- the operational safety of the circuit breaker is further improved.
- the coupling of the shift lever according to the invention also causes that small manufacturing inaccuracies in the manufacture of the shells of the Circuit breaker do not interfere with the transmission of rotary movements. This greatly reduces the proportion of rejects in the manufacture of the shells. This in turn reduces the manufacturing cost of the entire circuit breaker.
- the bearings of the shift lever can be produced with little effort and support the inexpensive production of the shells.
- the coupling of the shift lever is easy to manufacture and assembly therefore also reduces costs in the manufacture of the circuit breaker.
- the coupling takes place in a single operation, in which the coupling rod just before attaching the end shell the intermediate housing shells and the shift lever pushed in the row direction becomes.
- the shift lever act as a closed bearing for the Coupling rod. This supports even power transmission to everyone Gear lever.
- the small slack between the coupling rod and its bearing ensures a small freedom of movement for the coupling rod.
- the lots also take into account production-related dimensional tolerances at Align all switching levers in the row direction of the circuit breaker. Also this keeps the reject share in the manufacture of the circuit breaker components low. Furthermore, the loose simplifies the assembly of the coupling rod additionally.
- Claim 3 takes into account the simple production of a through recess for the coupling rod. With a coupling hole as a bearing for the Coupling rod can also manufacture the coupling rod itself simply be made as a cylindrical rod. Basically, however other cross-sectional shapes of coupling rods with corresponding Through recesses conceivable.
- the coupling rod in terms of its length to the Number of poles and adapted to the pole chamber width of the circuit breaker in such a way that they the housing shell and the end shell in the final assembly state of the circuit breaker is affected by a short distance. This is the coupling rod before inadvertent shifting movements in the row direction secured. All shift levers therefore remain in the final assembly state of the Circuit breaker reliably coupled together.
- the coupling rod affects a correspondingly shaped Cut-out in the housing intermediate shell. This makes the switching movements the shift lever is also guided. Shift lever misalignment are excluded.
- the bar recess surrounds the path of movement of the Coupling rod with a small distance, so that also production-related deviations the trajectory are taken into account.
- Claim 7 further supports the assembly-friendly assembly of the Circuit breaker. Because of their constructive design, the shells have of the circuit breaker has several functions. So they work e.g. as boundary walls for the pole chambers, as a fixative for the switching mechanism and also as Housing shaft for a switching element acting on the switching mechanism. There the most diverse functions implemented with a few, one-piece components the entire mechanics of the circuit breaker are less prone to failure.
- Claim 10 takes into account the manufacture of the switching element Number of poles dependent cross section of the housing shaft for receiving the Switching element.
- the housing shaft can therefore also be used as a guide element be effective for guiding the switching movements of the switching element.
- An on switching element adapted to the cross section of the housing shaft acts as more reliable Protection against damage and as electrical hazard protection for all pole chambers of the circuit breaker. In addition, such enables Switching element a convenient manual operation even with circuit breakers with a larger number of poles.
- the switching element relieves the coupling rod.
- One each Actor is assigned to a switching mechanism.
- the shift levers are therefore with manual triggering of the circuit breaker directly from the end of the line of the switching element and not only via the detour of a single shift lever and applied to the coupling rod.
- claims 12 and 13 that is Switching element simply mounted in terms of assembly technology.
- the switching element is only possible to pivot the switching element to be realized by means of the housing shell and the end shell. But it is the switching element is at corresponding constructive design according to claim 14 and 15 additionally can be stored on this intermediate housing shell, so that the mechanical stability the swivel bearing of the switching element even with a large number of poles is guaranteed or improved. It is also conceivable that the Switching element only on some of the overall housing intermediate shells is pivoted.
- Claims 16 to 18 relate to the application of DE 27 21 162 A1 known coupling between switching element and switching mechanism with all of their Advantages of the circuit breaker according to the invention. As a result, they are Switching element and the switching mechanism over a running in the row direction Cam rod coupled together.
- Claims 17 and 18 apply the coupling of all identical according to the invention Shift lever also on the cam rod by means of the coupling rod on. As a result, the switching element acts more reliably with little effort Indicate all switching mechanisms of the circuit breaker at the same time.
- the cover frame has the further function as a fixing agent for the shells in the final assembly state of the circuit breaker.
- a further fixing means is provided to mechanically to further improve the stable structure of the circuit breaker housing.
- the fixing agent penetrates all shells of the switch housing, it can during assembly also as an assembly aid for the loose lining up serve all bowls.
- Claim 23 proposes a fixative that is easy to manufacture and assemble in front. Because on the one hand the fixing means is arranged in the area of the housing base and on the other hand the cover frame is the shells in the area of the housing shaft fixed, the switch housing is made up of several shells in the final assembly state as a compact unit. By loosening the cover frame or the fixative, the circuit breaker can be used if necessary disassemble in a modular manner and therefore easy to assemble.
- An arrangement of the rods according to claim 24 takes into account their simple Installation with minimal space requirements within the pole chambers.
- Claim 26 takes into account the structure of the circuit breaker with little space. In addition, the same level of movement allows the different Lever and the rods a very effective power transmission between the Components inside the pole chambers.
- the housing of the single-pole circuit breaker shown in Fig.1 consists in essentially of a housing shell 1 and one aligned parallel to it End shell 2. Both shells 1, 2 are in a row direction 3 shifted against each other and are in the final assembly state with their each other facing surfaces directly fixed to each other.
- the row direction 3 is perpendicular to the shell plane in which the two shells 1, 2 lie, arranged.
- the shell plane is through a placement direction 4 and a transverse direction 5 spanned. All directions 3, 4, 5 are perpendicular to each other arranged.
- the plane spanned by the mounting direction 4 and the transverse direction 5 corresponds to the level of movement of the switching mechanism of the circuit breaker.
- the Switching mechanism consists essentially of a trigger lever 6, one Latch lever 7 and a rocker switch 8 for manual on and off: switch the circuit breaker.
- a bimetal 9 running in the transverse direction 5 acts on the release lever 6 in the event of an overcurrent and thereby leads to a Free release of the circuit breaker.
- the trigger lever 6 is on a cylindrical and extending in the row direction 3 Axle journal 10 pivotally mounted.
- the rocker switch 8 is on one Axle journal 11 pivotally mounted.
- Both journals 10.11 are on the Molded on the inside of the housing shell 1 and arranged parallel to each other. However, the journal 10 extends further in the direction of the end shell 2nd
- the rocker switch 8 also surrounds in the final assembly state an axle bore passing through it in the row direction 3, the axle journal 11.
- the corresponding hole in the release lever for its swivel mounting on the journal 10 is not visible in Fig.1.
- the two journals 10, 11 are part of the inside of the Housing shell 1 forming housing wall 16 integrally formed.
- the housing wall 16 lies in the direction of placement 4 and transverse direction 5 spanned level.
- the edge edges of the Housing wall 16 are each in one piece with a housing side wall 17 connected.
- the housing side walls 17 are opposite the housing wall 16 arranged at right angles. Viewed in mounting direction 4, this results in a U-shape of the housing shell 1.
- Viewed in the row direction 3 also a U-shaped outline of the housing shell 1.
- the housing side walls 17 act like two U-legs extending in the direction of attachment 4, which are integrally connected to one another by a housing base 18.
- the housing base 18 lies in a through the row direction 3 and the transverse direction 5 spanned level.
- Another recess in the housing base serves to accommodate a cylindrical, with its longitudinal axis in the mounting direction 4 and as Adjusting screw 22 for adjusting the bimetal 9 effective bolt.
- the housing wall 16, the housing side walls 17 and the housing base 18 limit on the part of the housing shell 1 an effective as a pole chamber Cavity 23 of the circuit breaker housing.
- the cavity 23 is in the final assembly state of the circuit breaker in row direction 3 on the part of the end shell 2 closed.
- the edge regions extending in the direction of attachment 4 the end shell 2 lying in the shell plane are in the row direction 3 bent and are in the final assembly on the facing them Edge edges of the housing side walls 17 directly.
- the cavity 23 is through a the housing bottom 18th opposite the opening 4 opposite housing opening accessible.
- This housing opening is through a rectangular housing shaft 24 limited.
- the housing shaft 24 consists of the free ends 25 of the housing side walls 17, the subarea connecting the two free ends 25 the housing wall 16 and a free end 26 as part of the end shell 2.
- the approximately rectangular free end 26 in the row direction 3 is opposite the remaining area of the end shell 2 tapers like a paragraph.
- the Extension of the free end 26 in the transverse direction 5 corresponds to the distance in Transverse direction 5 between the two free ends 25 are accordingly two free ends 25 relative to the rest of the housing side walls 17 offset in the transverse direction 5, so that the housing shaft 24 has a smaller cross section than that of the housing base 18 facing area of the circuit breaker housing.
- the housing shaft 24 surrounds the latching lever 7 facing section of the rocker switch 8.
- the housing shaft 24 in turn is in the final assembly state of a cover frame 27 surround.
- the cover frame 27 has the outline shape viewed in the mounting direction 4 of a rectangular frame. Regarding an imaginary, in the row direction extending and the extent of the cover frame 27 in the transverse direction 5 bisecting axis of symmetry, the cover frame 27 is mirror-symmetrical built up. The same applies to a transverse direction 5 and Extension of the cover frame 27 in the row direction 3 bisecting axis of symmetry.
- On each frame side of the cover frame 27 is a plate-like Frame wall 28 or 29 molded in one piece.
- Frame walls 28 in the stretched plane are on the long sides of the cover frame 27 integrally formed.
- Corner areas of the frame walls 28 are each rectangular Locking recess 30 arranged. In the final assembly state, they work with appropriate on the outer surface of the free end 26 or on the outer surface the housing wall 16 integrally molded locking lugs 31 together. In 1 are only the two locking lugs 31 formed on the free end 26 visible.
- the two on the broad sides of the cover frame 27 and parallel to each other arranged frame walls 29 extend along the attachment direction 4 about as far as the free ends 25 of the housing shaft 24.
- the cover frame 27 is on the housing shaft 24 put on and moved in mounting direction 4.
- the Frame walls 28, 29 on the outer surfaces of the housing shaft 24 directly on.
- the paragraph between the housing side wall 17 and its free end 25 serves as a limit stop for the displacement movement of the Cover frame 27.
- the housing base 18 facing and extending in the row direction 3 edge of the frame wall 29 on this paragraph.
- the locking recesses are in the final assembly state 30 penetrated by the locking lugs 31, the cover frame 27 is with the housing shell 1 and the end shell 2 locked.
- the one piece with each other connected frame walls 28, 29 of the cover frame 27 clasp the Housing shaft 24 and thereby hold the multi-part circuit breaker housing mechanically stable together.
- each frame wall 29 On the outer surface of each frame wall 29 are two in the row direction 3 side by side horizontal locking arms 32 are formed. Viewed in row direction 3 the locking arms 32 are bent and run on the frame walls 29 then counter to the mounting direction 4.
- Each spring arm 32 has in the area of its free end on its outer surface facing away from the frame wall 29 a grooved surface with 3 grooves running in the row direction. she simplify the manual operation of the spring arms 32. Also lock the spring arms 32 when installing the circuit breaker e.g. in switchboards and enable the circuit breaker to be securely seated.
- the spring arms 32 also allow easy handling of the Cover frame 27 for locking it to the circuit breaker housing or its unlatching.
- the frame walls are opposite the mounting direction 4 28, 29 delimited by a cover collar 33 integrally molded onto them.
- cover collar 33 lies in one through row direction 3 and transverse direction 5 spanned level and forms the top surface of the cover frame 27.
- Der Cover collar 33 also has the shape of a rectangular frame. He survives with its corresponding frame sides the frame walls on both sides 28 in the row direction 3 and the frame walls 29 in the transverse direction 5.
- the in Cover row direction 3 extending frame walls of cover collar 33 the free ends of the spring arms 32.
- the two shells 1, 2 are separated by an in Row direction 3 extending tubular rivet 34 with each other in the final assembly state riveted.
- the end shell 2 is one Rivet bore 36 penetrates.
- the cylinder bore 35 and the rivet bore 36 are in alignment when the two shells 1, 2 are assembled.
- Of the Tubular rivet 34 passes through the cylinder bore 35 and the rivet bore 36 and holds thereby the two shells 1, 2 in the area of the housing base 18 in the final assembly state mechanically stable together.
- Fig. 2 the circuit breaker is in its on state.
- a fixed contact 37 and movement contact 38 mechanically and electrically contacted with each other, as is known from DE 27 21 162 A1.
- the permanent contact 37 and the movement contact 38 are each in FIG. 1 as circular Plates recognizable.
- the fixed contact 37 is on the extending in the transverse direction 5 Free end of the contact terminal 21 attached.
- the movement contact 38 is attached to the free end of a contact spring 39 acting as a leaf spring.
- the contact spring 39 extends essentially in the transverse direction 5 and is on Contact terminal 19 attached.
- a cylindrical guide pin 40 is in the row direction 3 extending longitudinal axis on the housing wall 16 for guiding the Pivoting movement of the shift lever 7 is formed.
- a torsion spring 41 is mounted on the journal 11 in addition to the rocker switch 8.
- the longer of the two legs of the torsion spring 41 is supported on a spring stop 42 from. It has an oblong shape and is in one piece molded on the end shell 2, not shown in Fig. 2.
- the torsion spring 41 supports the switching movements of the rocker switch 8.
- Another torsion spring 43 supports the pivoting movements of the release lever 6.
- the torsion spring 43 is on a parallel to the axle 11 and also fixing pins 44 formed on the housing wall 16 stored.
- the longer of the two legs of the torsion spring 43 is supported on the in the transverse direction 5 extending lever arm of the trigger lever 6.
- the shorter one The spring leg is supported on the release lever 6 in the region of the journal 10 from.
- lever position of the release lever 6 is on the housing wall 16 between the bimetal 9 and the extending in the transverse direction 5
- Lever arm of the release lever 6 a lever stop 45 with a rectangular outline molded.
- a cylindrical portion of the Release lever 6 with in the row direction 3 extending cylinder axis.
- This Part of the release lever 6 is of a running in the row direction 3, slot-like coupling bore 46 passes through.
- the coupling bore 46 is in the final assembly state of a coupling rod to be described in FIG. 3 47 enforced.
- the latch lever 7 is in a cylindrical shape Part area penetrated by a coupling bore 48.
- the coupling hole 48 is located in a free end, by means of which the latch lever 7 acts on the trigger lever 6.
- the coupling bore 48 is circular. It is in the final assembly state of the circuit breaker Coupling rod 49 (Fig.3) passes through.
- Figure 2 is a rectangular between the rocker switch 8 and the shift lever 6 Housing slot 50 recognizable. Its long side runs in the transverse direction 5. It is used to enter an electrical contact path for a lighting module 51 (Fig.4).
- the second contact path is through a columnar, in Contact direction 52 extending in the direction of attachment 4 (FIG. 4). It is one piece Part of the contact connector 19.
- the lighting assembly 51 is used for the optical display of the switching position of the rocker switch 8.
- the outer surface of the rocker switch 8 is arranged.
- the cover collar 33 forms with his the curved side of the rocker switch 8 facing and opposite Mounting direction 4 inclined outer surface is a continuation of concave-like curvature of the inside of the free end 25.
- the cover collar 33 in the mounting direction 4 is opposite to that Contact extension 52 facing free end 25 a pin-like, in the direction of Axle 11 pointing rocker stop 53 formed.
- On that in the transverse direction 5 opposite free ends 25 is approximately the same height Another rocker stop 54 formed. It is also on the journal 11 aligned and about twice as long as the rocker stop 53. Die two rocker stops 53, 54 serve to limit the switching movements the rocker switch 8.
- the single-pole circuit breaker shown in Fig.1 is a two-pole in Fig.3 Circuit breaker extended by a housing intermediate shell 55 between the housing shell 1 and the end shell 2 is inserted.
- the Housing intermediate shell 55 is through an intermediate wall 56 along the row direction 3 in two sub-areas, namely in one as an end shell 2 effective sub-area and in a sub-area effective as a housing shell 1 divided.
- Fig. 3 is the effective as the housing shell 1 and the end shell 2 facing portion of the intermediate housing shell 55 visible.
- the intermediate housing shell is one for storage identical switching mechanism important design features as well designed like the housing shell 1.
- the housing intermediate wall 55 On the outside of the housing base 18 is the housing intermediate wall 55 however, in contrast to the housing shell 1, an extension plate 57 in one piece molded. It lies in one through the mounting direction 4 and the transverse direction 5 spanned level. She looked at one in row direction 3 roughly rectangular outline. Their extension corresponds in the transverse direction 5 the distance between the two housing side walls 17 of the Intermediate housing shell 55.
- the extension plate 57 is an extension the intermediate wall 56 in the mounting direction 4 effective.
- the extension plate 57 can e.g. the fixing of the intermediate housing shell 55 during assembly serve the circuit breaker housing, so that the individual shells 1,2,55 are technically easy to line up.
- the extension plate 57 can also fix and convenient handling of the circuit breaker housing serve in the final assembly state.
- the cylindrical journal 58 with a row 3 The longitudinal axis in alignment is in alignment with the journal when it is in its final assembly 11.
- the journal 58 protrudes the intermediate wall 56 in the row direction 3 on both sides.
- the approximately conical course of the intermediate wall 56 with shoulder-shaped Recesses take into account the pivoting mobility of the rocker switch 8.
- the free ends 25 of the intermediate housing shell 55 extend the free ends 25 the housing shell 1 in the row direction 3 and thereby enlarge the cross section of the housing shaft 24.
- the rocker switch 8 from Fig.1 is in Fig.3 corresponding to the circuit breaker extended by one pole by an in Row direction 3 widened embodiment replaced. According to the two existing switching mechanisms are on the rocker switch 8 in Figure 3 also two in Row direction 3 considers molded-in ends 13 which are aligned with one another.
- the cover frame 27 from FIG. 1 is covered by a cover frame 27 correspondingly replaced in the row direction 3 elongated frame walls 29.
- the spring arms 32 of the cover frame 27 from Figure 3 are in the row direction 3 widened. As can be clearly seen in Fig. 3, both spring arms are 32 by an integrally formed on the frame wall 29 and parallel to the frame walls 28 extending cover wall 59 separated from each other.
- the tubular rivet 34 from FIG. 1 is also shown in FIG Row direction 3 extended tubular rivet 34 exchanged.
- the cam rod 14 from Figure 1 for the mechanical coupling of the rocker switch 8 with the latch lever 7 is in FIG. 3 by a version extended in the row direction 3 exchanged.
- the cam rod 14 from FIG. 3 passes through the cam tracks 15 the latch lever 7 of both poles, so that an approximately simultaneous Swiveling mobility of the two latching levers 7 with an identical movement path arises.
- the cam rod 14 and the two coupling rods 47,49 are arranged parallel to the row direction 3 in the final assembly state. They are about the same length and as a cylindrical rod with about the same diameter designed.
- the latch lever 7 of the two not shown in Figure 3 Switching mechanisms are also interconnected by the coupling rod 49 mechanically connected.
- the two release levers 6 are through the Coupling rod 47 mechanically connected to each other. In this way the two trigger levers 6 when triggered only one Bimetal 9 moves uniformly. So that the cam rod 14 and the two coupling rods 47, 49 in the plane of movement of the release lever 6 and the latch lever 7 is pivoted in accordance with their pivoting movements is the intermediate wall 56 of shaft recesses 60,61,62 broken.
- the outline contour of the shaft recesses is 60, 61, 62 the somewhat enlarged image of those taking place in viewing direction in row direction 3 Path of movement of the cam rod 14 and the coupling rods 47.49.
- the shaft recess 60 is assigned to the coupling rod 49 and has a slot-like cross section. The long sides of the slot-like Shaft recess 60 run at an acute angle to the mounting direction 4 and are inclined in the direction of the rocker stop 53.
- the shaft recess 61 is located approximately along the mounting direction 4 same height as the shaft recess 60. It has a rectangular cross section with quarter-circle rounded corners. The long sides of this Rectangles run in the transverse direction 5.
- the shaft recess 61 is the cam rod 14 assigned and is between the shaft recess 60 and the Guide pin 40 arranged.
- the shaft recess 62 has a slot-like outline shape and is the Coupling rod 47 assigned.
- the long sides of the shaft recess 62 run approximately parallel to the mounting direction 4. It is between the guide pin 40 and the lever stop 45 arranged.
- the lighting assembly 51 is clearly visible in FIG. It essentially exists of a circuit board 63, a glow lamp 64 and a resistor 65. Instead of a glow lamp 64 is also an incandescent lamp or LED can be used.
- the lighting assembly 51 is in the case of a multi-pole Circuit breaker on the contact extensions 52 of two adjacent intermediate shells 55 attached and soldered. The current paths on the circuit board 63 are guided so that the desired electrical connections are realized. If it is a single-pole circuit breaker, so the circuit board 63 with a connection to the contact extension 52 of the Contact terminal 19 mounted. The second electrical connection is via the Housing slot 50 brought up to the circuit board 63.
- a cover wall 59 is also assigned to each spring arm 32. This also improves the mechanical stability of the frame wall 29.
- the procedure for installing the circuit breaker is as follows. First, one of the desired number of poles of the circuit breaker Number of intermediate housing shells 55 in a row 3 in a row. The following applies: For n poles, n-1 intermediate shells are used 55 needed. The switching mechanism is already on each intermediate housing shell 55 stored. During the lining up of the intermediate shells 55, the rocker switch 8 must be pivotally mounted by means of the journal 58 will. If the required number of intermediate housing shells 55 has been joined together, becomes the housing shell 1 with the switching mechanism also already stored attached to the housing intermediate shell 55 closest to it. Care must be taken to ensure that the journal 11 in the axle bore 12 engages the rocker switch 8.
- the cam rod 14 is through all cam tracks 15, through the holes in the ends 13 and through the shaft recesses 61 inserted.
- the coupling rod 47 is the same Way in row direction 3 through all coupling holes 46 and all Shaft recesses 62 inserted.
- the coupling rod penetrates 49 in the final assembly state all coupling bores 48 and all shaft recesses 60.
- the circuit breaker housing is thereby on all sides in the row direction 3 and transverse direction 5 closed.
- the cover frame 27 is placed on the 4 in the mounting direction Housing slot 24 pushed on.
- the cover frame is in the final assembly state 27 locked with the housing shell 1 and with the end shell 2 and in this way holds all shells 1, 2, 5 in the area of the housing shaft 24 mechanically stable together.
- the tubular rivet 34 is joined together aligned cylinder bores 35 and the rivet bore 36 in the row direction 3 pushed through. By means of the tubular rivet 34, the shells 1, 2, 5 are also in the Area of the housing base 18 mechanically stably connected.
Landscapes
- Breakers (AREA)
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
- Switch Cases, Indication, And Locking (AREA)
- Jib Cranes (AREA)
- Control Of Combustion (AREA)
- Air Bags (AREA)
Description
- Fig.1
- eine Explosionsdarstellung eines einpoligen Schutzschalters mit seiner Schaltmechanik,
- Fig.2
- eine Seitenansicht des geöffneten einpoligen Schutzschalters mit eingesetzter Schaltmechanik,
- Fig.3
- die Explosionsdarstellung eines zweipoligen Schutzschalters ohne Schaltmechaniken, jedoch mit Kopplungsteilen,
- Fig.4
- die vergrößerte Darstellung der Gehäusezwischenschale aus Fig.3 mit Beleuchtungsbaugruppe,
- Fig.5
- die Explosionsdarstellung eines dreipoligen Schutzschalters ohne Schaltmechaniken, jedoch mit Kopplungsteilen.
- 1
- Gehäuseschale
- 2
- Abschlußschale
- 3
- Reihenrichtung
- 4
- Aufsetzrichtung
- 5
- Querrichtung
- 6
- Auslösehebel
- 7
- Verklinkungshebel
- 8
- Schaltwippe
- 9
- Bimetall
- 10
- Achszapfen
- 11
- Achszapfen
- 12
- Achsbohrung
- 13
- Wirkende
- 14
- Nockenstange
- 15
- Nockenbahn
- 16
- Gehäusewand
- 17
- Gehäuseseitenwand
- 18
- Gehäuseboden
- 19
- Kontaktanschluß
- 20
- Kontaktanschluß
- 21
- Kontaktanschluß
- 22
- Justierschraube
- 23
- Hohlraum
- 24
- Gehäuseschacht
- 25
- Freiende
- 26
- Freiende
- 27
- Deckrahmen
- 28
- Rahmenwand
- 29
- Rahmenwand
- 30
- Rastaussparung
- 31
- Rastnase
- 32
- Federarm
- 33
- Deckkragen
- 34
- Rohrniet
- 35
- Zylinderbohrung
- 36
- Nietbohrung
- 37
- Festkontakt
- 38
- Bewegungskontakt
- 39
- Kontaktfeder
- 40
- Führungsbolzen
- 41
- Drehfeder
- 42
- Federanschlag
- 43
- Drehfeder
- 44
- Fixierzapfen
- 45
- Hebelanschlag
- 46
- Kopplungsbohrung
- 47
- Kopplungsstange
- 48
- Kopplungsbohrung
- 49
- Kopplungsstange
- 50
- Gehäuseschlitz
- 51
- Beleuchtungsbaugruppe
- 52
- Kontaktfortsatz
- 53
- Wippenanschlag
- 54
- Wippenanschlag
- 55
- Gehäusezwischenschale
- 56
- Zwischenwand
- 57
- Verlängerungsplatte
- 58
- Achszapfen
- 59
- Abdeckwand
- 60
- Wellenaussparung
- 61
- Wellenaussparung
- 62
- Wellenaussparung
- 63
- Leiterplatte
- 64
- Glimmlampe
- 65
- Widerstand
Claims (26)
- Mehrpoliger Schutzschalter mit einer beliebigen Polanzahl n ≥ 2,mit einem eine Gehäuseschale (1) und eine daran ansetzbare Abschlußschale (2) eines einpoligen Schutzschalters aufweisenden Gehäuse und dazwischen einem als Polkammer wirksamen Hohlraum (23),mit einer innerhalb der Polkammer befindlichen, gehäuseseitig fixierten Schaltmechanik zum Auslösen des einpoligen Schutzschalters,mit mindestens einem in der etwa parallel zur Schalenebene verlaufenden Bewegungsebene schwenkbar gelagerten, als Bestandteil der Schaltmechanik des einpoligen Schutzschalters ausgebildeten Schalthebel (6,7),mit n-1 identischen Gehäusezwischenschalen (55), diezwischen Gehäuseschale (1) und Abschlußschale (2) sandwichartig einfügbar sind,der Gehäuseschale (1) nach Art einer Abschlußschale (2) und der Abschlußschale (2) nach Art einer Gehäuseschale (1) zugewandt wirksam sind unddadurch n Polkammern zwischen Gehäuseschale (1) und Abschlußschale (2) bilden undmit in jeder Polkammer identischer Schaltmechanik, wobei die identischen Schalthebel (6,7) zur gemeinsamen Auslösung aller Pole miteinander gekoppelt sind,daß die identischen Schalthebel (6, 7) durch mindestens eine einstückige Kopplungsstange (47,49) gekoppelt sind, welche den Schalthebel (6,7) jeder Polkammer und die n-1 Gehäusezwischenschalen (55) in deren Reihenrichtung (3) durchsetzt.
- Schutzschalter nach Anspruch 1,
dadurch gekennzeichnet,
daß die Kopplungsstange (47,49) eine Durchgangsausnehmung des Schalthebels (6, 7) mit Lose durchsetzt. - Schutzschalter nach Anspruch 2,
gekennzeichnet durch
eine Kopplungsbohrung (46,48) als Durchgangsausnehmung. - Schutzschalter nach Anspruch 1, 2 oder 3,
dadurch gekennzeichnet,
daß die den einzelnen Schalthebeln (6, 7) zugeordneten Kopplungsstangen (47,49) in Reihenrichtung (3) gleich lang sind. - Schutzschalter nach einem der Ansprüche 1 bis 4,
dadurch gekennzeichnet,
daß die Länge der Kopplungsstange (47,49) in Reihenrichtung (3) etwa dem n-fachen der in Reihenrichtung (3) verlaufenden Breite einer Polkammer entspricht. - Schutzschalter nach einem oder mehreren der vorhergehenden Ansprüche,
dadurch gekennzeichnet,daß die als Gehäuseschale (1) und die als Abschlußschale (2) wirksamen Teilbereiche der Gehäusezwischenschale (55) durch eine parallel zur Schalenebene angeordnete Zwischenwand (56) voneinander getrennt sind unddaß die Zwischenwand (56) eine von der Kopplungsstange (47,49) durchsetzte Stangenaussparung (60,62) enthält, deren Umrißquerschnitt ein etwas vergrößertes Abbild der Bewegungsbahn der Kopplungsstange (47,49) ist. - Schutzschalter nach einem oder mehreren der vorhergehenden Ansprüche,
gekennzeichnet durch
einen in Schalenebene etwa U-förmigen Querschnitt der Schalen (1,55) zur Kapselung der Schaltmechaniken, wobeidas U-Joch der Gehäuseboden (18) ist unddie U-Schenkel rechtwinklig zur Schalenebene angeordnete Gehäuseseitenwände (17) sind, deren Freienden (25) gemeinsam mit einem Freiende (26) der im wesentlichen in Schalenebene verlaufenden Abschlußschale (2) einen Gehäuseschacht (24) bilden, in dessen als Gehäuseöffnung wirksamen Innenraum ein auf die Schaltmechanik einwirkendes Schaltglied zur manuellen Auslösung des Schutzschalters einsetzbar ist. - Schutzschalter nach Anspruch 7,
dadurch gekennzeichnet,
daß an der Gehäusezwischenschale (55)an deren in Aufsetzrichtung (4) verlaufenden Randkanten die Gehäuseseitenwände (17) angeformt sind undan deren quer zur Aufsetzrichtung (4) in Querrichtung (5) verlaufender Randkante der Gehäuseboden (18) angeformt ist. - Schutzschalter nach Anspruch 7,
dadurch gekennzeichnet,
daß das Schaltglied gehäuseseitig gelagert ist und mit seinen Schaltbewegungen auf die Schaltmechanik einwirkt. - Schutzschalter nach einem oder mehreren der vorhergehenden Ansprüche,
dadurch gekennzeichnet,
daß die Länge des Schaltgliedes in Reihenrichtung (3) etwa dem n-fachen der in Reihenrichtung (3) verlaufenden Breite einer Polkammer entspricht. - Schutzschalter nach einem oder mehreren der vorhergehenden Ansprüche,
dadurch gekennzeichnet,
daß das Schaltglied in Reihenrichtung (3) angeordnet n Wirkenden (13) für n Schaltmechaniken aufweist. - Schutzschalter nach einem oder mehreren der vorhergehenden Ansprüche,
dadurch gekennzeichnet,
daß das Schaltglied gehäuseseitig schwenkgelagert ist. - Schutzschalter nach Anspruch 12,
gekennzeichnet durch
einen in Reihenrichtung (3) verlaufenden Achszapfen (11) der Gehäuseschale (1) zur Schwenklagerung des Schaltgliedes. - Schutzschalter nach Anspruch 12,
dadurch gekennzeichnet,
daß das Schaltglied mindestens an einer Gehäusezwischenschale (55) schwenkgelagert ist. - Schutzschalter nach Anspruch 14,
gekennzeichnet durch
einen in Reihenrichtung (3) verlaufenden Achszapfen (58) der Gehäusezwischenschale (55) zur Schwenklagerung des Schaltgliedes. - Schutzschalter nach einem oder mehreren der vorhergehenden Ansprüche,
dadurch gekennzeichnet,
daß das Schaltglied eine einen zweiarmigen Hebel bildende Schaltwippe (8) ist. - Schutzschalter mit einem Schaltglied, dessen Wirkende (13) mit dem die Schalterkontakte (37, 38) schließenden und öffnenden, als Schalthebel wirksamen Verklinkungshebel (7) beweglich verbunden ist, nach einem oder mehreren der vorhergehenden Ansprüche,
gekennzeichnet durch
eineeinstückige unddas Wirkende (13) des Schaltgliedes sowie den Verklinkungshebel (7) jeder Polkammer in Reihenrichtung (3) durchsetzende Nockenstange (14) zur Bildung der Kniegelenkachse eines Kniehebelantriebes mit dem Wirkende (13) und mit dem Verklinkungshebel (7) als die beiden Lenker. - Schutzschalter nach Anspruch 17,
dadurch gekennzeichnet,
daß die Nockenstange (14) in einer allseitig geschlossenen, als Nockenbahn (15) wirksamen Führungsnut des Verklinkungshebels (7) jeder Polkammer einliegt zur gemeinsamen Bewegungsführung der Nockenstange (14) auf den Nockenbahnen (15) aller Verklinkungshebel (7). - Schutzschalter nach einem oder mehreren der vorhergehenden Ansprüche,
dadurch gekennzeichnet,
daß ein deckelartiger Rahmen (27) mit einer Aufnahmeöffnung für das Schaltglied auf den Gehäuseschacht (24) aufsetzbar ist und das Schaltglied in Aufsetzrichtung (4) abdeckt. - Schutzschalter nach Anspruch 19,
dadurch gekennzeichnet,
daß der Deckrahmen (27) den Gehäuseschacht (24) formschlüssig umgibt. - Schutzschalter nach Anspruch 19 oder 20,
gekennzeichnet durch
eine Verrastung des Deckrahmens (27) mit dem Schaltergehäuse. - Schutzschalter nach einem oder mehreren der vorhergehenden Ansprüche,
dadurch gekennzeichnet,
daß sämtliche Schalen (1,2,55) des Schaltergehäuses in Reihenrichtung (3) von einem Fixiermittel durchsetzt sind, dessen Länge in Reihenrichtung (3) etwa dem n-fachen der in Reihenrichtung (3) verlaufenden Breite einer Polkammer entspricht. - Schutzschalter nach Anspruch 22,
dadurch gekennzeichnet,
daß das Fixiermittel ein Rohrniet (34) ist und eine im Bereich des Gehäusebodens (18) jeder Schale (1,2,55) befindliche Bohrung (35,36) durchsetzt, wobei die Bohrungen (35,36) sämtlicher Schalen (1,2,55) in Reihenrichtung (3) miteinander fluchten. - Schutzschalter nach einem oder mehreren der vorhergehenden Ansprüche,
gekennzeichnet durch
eine parallele Anordnung sämtlicher Stangen (14, 47, 49). - Schutzschalter nach einem oder mehreren der vorhergehenden Ansprüche,
gekennzeichnet durch
identische Stangen (14, 47, 49). - Schutzschalter nach einem oder mehreren der vorhergehenden Ansprüche,
gekennzeichnet durch
eine Schwenklagerung sämtlicher Stangen (14, 47, 49) und sämtlicher Hebel (6, 7, 8) in der gleichen Bewegungsebene.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE9422029U DE9422029U1 (de) | 1993-03-17 | 1994-01-25 | Mehrpoliger Schutzschalter |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE9303918 | 1993-03-17 | ||
DE9303918U | 1993-03-17 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0616347A1 EP0616347A1 (de) | 1994-09-21 |
EP0616347B1 true EP0616347B1 (de) | 1998-03-11 |
Family
ID=6890753
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP94101023A Expired - Lifetime EP0616347B1 (de) | 1993-03-17 | 1994-01-25 | Mehrpoliger Schutzschalter |
Country Status (9)
Country | Link |
---|---|
US (1) | US5451729A (de) |
EP (1) | EP0616347B1 (de) |
JP (1) | JP2760944B2 (de) |
KR (1) | KR0151219B1 (de) |
AT (1) | ATE164027T1 (de) |
DE (2) | DE59405409D1 (de) |
DK (1) | DK0616347T3 (de) |
ES (1) | ES2115086T3 (de) |
TW (1) | TW289832B (de) |
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1994
- 1994-01-25 ES ES94101023T patent/ES2115086T3/es not_active Expired - Lifetime
- 1994-01-25 DE DE59405409T patent/DE59405409D1/de not_active Expired - Lifetime
- 1994-01-25 AT AT94101023T patent/ATE164027T1/de not_active IP Right Cessation
- 1994-01-25 DK DK94101023T patent/DK0616347T3/da active
- 1994-01-25 EP EP94101023A patent/EP0616347B1/de not_active Expired - Lifetime
- 1994-01-25 DE DE9422029U patent/DE9422029U1/de not_active Expired - Lifetime
- 1994-01-28 TW TW083100717A patent/TW289832B/zh not_active IP Right Cessation
- 1994-03-14 KR KR1019940004979A patent/KR0151219B1/ko not_active IP Right Cessation
- 1994-03-17 JP JP6047114A patent/JP2760944B2/ja not_active Expired - Lifetime
- 1994-03-17 US US08/214,151 patent/US5451729A/en not_active Expired - Lifetime
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102009025514A1 (de) | 2009-06-19 | 2010-12-30 | Ellenberger & Poensgen Gmbh | Steuerverfahren zur Auslösung eines elektronischen Schutzschalters |
DE202010018176U1 (de) | 2009-06-19 | 2014-07-08 | Ellenberger & Poensgen Gmbh | Elektronischer Schutzschalter |
Also Published As
Publication number | Publication date |
---|---|
DK0616347T3 (da) | 1998-10-07 |
JPH06325679A (ja) | 1994-11-25 |
TW289832B (de) | 1996-11-01 |
US5451729A (en) | 1995-09-19 |
ES2115086T3 (es) | 1998-06-16 |
DE9422029U1 (de) | 1997-09-18 |
ATE164027T1 (de) | 1998-03-15 |
EP0616347A1 (de) | 1994-09-21 |
DE59405409D1 (de) | 1998-04-16 |
KR0151219B1 (ko) | 1998-10-15 |
JP2760944B2 (ja) | 1998-06-04 |
KR940022612A (ko) | 1994-10-21 |
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