WO2016193040A1 - Schaltgerät in leistenbauform mit längs ausgerichteter schaltwelle - Google Patents
Schaltgerät in leistenbauform mit längs ausgerichteter schaltwelle Download PDFInfo
- Publication number
- WO2016193040A1 WO2016193040A1 PCT/EP2016/061603 EP2016061603W WO2016193040A1 WO 2016193040 A1 WO2016193040 A1 WO 2016193040A1 EP 2016061603 W EP2016061603 W EP 2016061603W WO 2016193040 A1 WO2016193040 A1 WO 2016193040A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- switching
- switching device
- shaft
- aligned
- depth direction
- Prior art date
Links
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
- H01H71/10—Operating or release mechanisms
- H01H71/1009—Interconnected mechanisms
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H1/00—Contacts
- H01H1/12—Contacts characterised by the manner in which co-operating contacts engage
- H01H1/14—Contacts characterised by the manner in which co-operating contacts engage by abutting
- H01H1/20—Bridging contacts
- H01H1/2041—Rotating bridge
-
- 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
- H01H2071/1036—Interconnected mechanisms having provisions for four or more poles
-
- 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
- H01H71/56—Manual reset mechanisms which may be also used for manual release actuated by rotatable knob or wheel
Definitions
- the invention relates to a switching device in strip design, comprising a housing, a switching mechanism, a mechanically connected to the switching mechanism actuator, a rotatably mounted in the housing switching shaft which is mechanically connected to the switching mechanism, and a plurality of switching contacts, which are coupled to the switching shaft.
- a switching device in bar design of the type mentioned above is known in principle.
- DE 198 52 713 Cl discloses a circuit breaker with switching contacts, quenching plates, a switching mechanism, an operating lever, an overcurrent and / or short-circuit release and plug contacts for connecting electrical lines.
- the circuit breaker is designed with three poles and has three switching shafts, which are connected to each other with a push rod and are coupled to a switch lock.
- the dimensions of the strip design are defined, for example, by the manufacturer specified rated current-dependent grid systems.
- a disadvantage of this arrangement is that due to the limited space of the strip design over three poles beyond number of switching poles is not technically feasible, that is, the necessary switching arrangements can not be integrated in a narrow housing.
- An object of the invention is therefore to provide an improved switching device.
- the switching device should be able to have more than three switching poles, without the installation space of the strip construction being exceeded.
- This object is achieved with a switching device of the type mentioned, in which the axis of the switching shaft is substantially in a plane defined by a longitudinal direction and a depth direction of the switching device level.
- the switching device has exactly one switching shaft, and in particular the switching device is designed to be multi-pole, in
- the shift shaft may be formed relatively long, which can be arranged on this a large number of switching arrangements.
- a modular design can be easily realized in which, depending on the application, any number of switching arrangements can be arranged on the shift shaft.
- a small overall width of the switching device in the form of a strip can be achieved.
- the above advantages also apply when the selector shaft is in a general position in the plane defined by the longitudinal direction and the depth direction.
- the switching shaft can be made longer and also a wiring of the switching device is thereby possibly simplified.
- Substantial in this context is to be understood as an angle deviation of up to +/- 10 °, that is, the shift shaft can be tilted by up to +/- 10 ° from said plane.
- the axis of the shift shaft then extends a little in the width direction of the switching device.
- the switching device has (exactly one) operating side, which is the side of the switching device from which it is operated and which, for example, is visible to an operator when installed in a control cabinet Switching device provided an actuating element or a plurality of such actuators.
- a "depth direction” of the switching device denotes a direction normal to this operating level. Often, the depth direction is horizontally aligned when installing the switchgear in a cabinet.
- the “longitudinal direction” denotes the direction of the largest extent of the switching device and also represents an extension of the operating level. Often, the longitudinal direction is vertically aligned when installing the switching device in a cabinet.
- the "width direction” or “transverse direction” is normally aligned with the depth direction and the longitudinal direction. When the switching device is installed in a control cabinet, the width direction / transverse direction is often also aligned horizontally.
- the longitudinal direction of the switching device can also be aligned horizontally when installed in a cabinet.
- the width direction / transverse direction is then aligned vertically.
- the length of the switchgear in strip form is greater than its depth, and the depth is in turn greater than the width of the
- Switching device It therefore preferably applies: length> depth> width.
- actuating element represents the interface to a user of the switching device.
- the actuating element can be designed, for example, as an actuating lever, an actuating slide or as an actuating shaft. In particular, that can
- Actuator also include a motor with which the switching device can be operated remotely. A movement of the actuating element is on the
- the "switch lock” decouples the movement of the actuating element from the movement of the switching shaft. This means in particular that the movements of the
- Actuator and the switching shaft are not clearly assigned to each other or not every position of the actuating element corresponds to a (single] position of the switching shaft.
- the switching mechanism to a
- the "switching shaft” is connected to the switching contacts.
- the contact arms may be rigidly connected to the switching shaft.
- the contact arms are movable, in particular rotatable, mounted in the shift shaft.
- the Contacts can thus perform a rotational movement during movement of the switching shaft.
- the contact arms perform a translational movement.
- the contact arms can be linearly guided and connected via push rods with the switching shaft, whereby the rotational movement of the switching shaft is converted into a linear movement of the contact arms.
- the contact arms perform a combined movement, which consists of a
- the mechanical connection between the switching mechanism and the switching shaft is formed by a push rod. This can be a den
- Switching state of the switching device influencing movement in the switch lock easily be transferred to the switching shaft and in consequence to the switching contacts.
- gears can be provided for it.
- the push rod can also be part of a toggle joint. Due to the spatial separation of the switching contacts of the switch lock the coupling of the switching shaft and switch lock is generally simplified.
- an actuating element arranged on the switching mechanism for the manual opening and closing of the switching contacts is formed by a rotatably mounted lever whose axis of rotation is aligned in the longitudinal direction of the switching device.
- the switching device can be switched on and off manually, or a switching state at the position of the lever can be read.
- the actuating direction is aligned in the transverse direction of the housing.
- the actuating element is formed by a rotatably mounted lever whose axis of rotation is aligned in the depth direction of the switching device and in particular with the axis of the switching shaft coincides. As a result, relatively large levers can be provided, which are easily actuated.
- a contact arm arranged on the switching shaft is aligned in an ON position essentially parallel to a width direction of the switching device.
- the switching arrangement requires little space in the depth of the switching device.
- Contact arm is in an ON position substantially in the plane defined by the longitudinal direction and the depth direction of the switching device level. That is, the
- Contact arm is oriented in an ON position substantially in the depth direction of the switching device when the shift shaft is aligned in the longitudinal direction, and in
- the switching device can be made relatively narrow in Leistenbauform, whereby electrical systems with a plurality of such switching devices generally require little space.
- the contact arm is aligned in an intermediate position between the ON position and an OFF position / RELEASE position parallel to the depth direction of the housing when the shift shaft is longitudinally aligned and parallel to the longitudinal direction when the shift shaft is aligned in the depth direction is. In this way, the switching device can be made even narrower.
- the current conductors routed to the outside of the housing may, for example, be assigned to the phases LI, L2 and L3 and to a neutral conductor N. This is a design that is very common in multipole switches. It is also favorable if a pole several arranged on the shift shaft
- the switching device has a built-in switch lock or directly coupled with this overcurrent release. This will be the
- Switch contacts in case of overload for example in the event of a short circuit, automatically disconnected.
- this can be done by per se known technologies, such as with a bimetallic actuator, an electro-dynamic actuator or a combination thereof.
- the switching device in this embodiment forms not only a circuit breaker or load-break switch, but a circuit breaker.
- Switch-disconnectors usually indicate different types of devices. While load-break switches can / may be disconnected under load, may / should
- Disconnectors should only be switched without load or with low load.
- the switching device has a built-in switch lock or directly coupled with this remote release.
- the switching state can be influenced remotely, for example with a voltage pulse transmitted via a wire line.
- the switching device can thus be switched off remotely.
- other technologies for remote control of the switching device can be used, such as radio.
- the switching device has an auxiliary contact integrated in the switching mechanism or directly coupled thereto.
- the switching state can be queried remotely. For example, this is transmitted via a wireline.
- the auxiliary contact is formed by a switching contact (galvanically isolated from the switching poles), whose switching state is changed synchronously with the switching state of the main contacts, but in principle the use of other technologies, such as radio, for the auxiliary contact or remote interrogation imaginable.
- a latching mechanism constructed in this way can be used in a simple manner in a housing of the switching device and has as an interface substantially only the coupling with the switching shaft.
- the switching contacts can assume several different states or positions. In an ON position, the switch contacts are closed, and in an OFF position, the contacts are disconnected by manually operating the circuit breaker. In a TRIPLE position, the switch contacts are also disconnected, but this is not done manually but automatically due to an overcurrent.
- Fig. 1 shows a longitudinal section through an exemplary and schematically illustrated
- Switching device with a switching shaft which is aligned in the longitudinal direction of the switching device
- FIG. 2 shows the switching device from FIG. 1 in plan view
- FIG. 3 is a detail view of the switching device of Figure 1 in cross section.
- FIG. 4 as shown in FIG. 3, but with rotated by 90 ° switching arrangement.
- Fig. 5 is a longitudinal section through an exemplary and schematically illustrated
- Switching device with a switching shaft that is aligned in the depth direction of the switching device; the switching device of Figure 5 in plan view.
- Fig. 7 similar to Fig. 6, but with arranged in extension of the switching shaft
- Figures 1 to 3 show a first, schematically illustrated example of a
- Fig. 1 shows the switching device la while in
- FIGS. 1 to 3 show a detailed view of the switching device la or a section thereof in cross section. For better orientation, an xyz coordinate system is shown in FIGS. 1 to 3.
- the switching device la comprises a housing 2, a switching mechanism 3, a rotatably mounted in the housing 2 switching shaft 4, which is mechanically connected to the switching mechanism 3, and a plurality of switching contacts 5, which are coupled to the switching shaft 4.
- the axis A of the shift shaft 4 is aligned in the longitudinal direction x of the housing 2.
- the mechanical connection between the switching mechanism 3 and the selector shaft 4 is formed in the concrete example by a push rod 6. Conceivable, however, would be other possibilities, such as a coupling via gears.
- the switching device 1a shown in Figures 1 to 3 has exactly one switching shaft 2 and is multi-pole, here specifically four-pole, formed.
- four switching assemblies 7 are shown, sitting on the shift shaft 4 respectively coupled with this and the terminals 8 and 9 electrically connect depending on the switching position or not.
- a switching arrangement 7 is assigned to a pole.
- the three phases LI, L2 and L3 and the neutral conductor N are shown.
- the switching device la but can also be used in another voltage system.
- the number of switching arrangements 7 and poles is purely exemplary. Of course, the switching device la may also have fewer or more switching arrangements 7 / poles than shown.
- switching device la and a plurality of switching shafts 4 may be provided, which are aligned in particular parallel to each other and, for example, in turn coupled to each other via push rods or gears. It is also conceivable, in particular, for the switching arrangements 7 to sit on a single selector shaft 4 and to be coupled thereto, but arranged on both sides of the switchgear 3. For example, in the
- two switching assemblies 7 on the left and two switching arrangements 7 right of the switching mechanism 3 may be arranged.
- the switching device 1 a has an actuating element arranged on the switching mechanism 3 for the manual opening and closing of the switching contacts 5.
- this actuator is formed by a rotatably mounted lever 10 whose axis of rotation is aligned parallel to the axis A of the shift shaft 4 respectively in the longitudinal direction x.
- Fig. 3 in addition to the ON position and an OFF position of the lever 10 is shown (dashed).
- the actuating element may for example also be formed by a rotatably mounted lever 10 'whose axis of rotation is aligned parallel to a depth direction z of the housing 2, as shown in FIG. 2 with a dotted line.
- the switching device la can be manually switched on or off.
- the actuating element has a motor with which the switching device la can be operated from a distance.
- the motor can act on a shaft z oriented in the depth direction z of the housing 2 and be provided additionally or alternatively to the lever 10 '.
- a circuit arrangement 7 is shown in detail, whereby the function of the switching device la is particularly well recognized.
- the switching device la and the contacts 5 are in the ON position. If the lever 10 is actuated, causing a not shown, but known per se
- Mechanism a movement of the push rod 6 and in consequence a rotation of the
- Shift shaft 4 Along with it, the seated on the shift shaft 4 contact arms 11 and the contacts mounted thereon are moved. When you turn off the shift shaft 4 is rotated clockwise, so that sitting on the contact arms 11 contacts 5 stand out from the fixed contacts and between the
- Disconnect terminals 8 and 9 of the current path An emerging arc is cleared in a quenching chamber 12. Is - as shown in Fig. 1 - a
- a contact arm 11 arranged on the selector shaft 4 is aligned in an ON position essentially in the depth direction z of the housing 2 or switching device 1 a.
- this arrangement is particularly narrow, whereby they can be relatively easily accommodated in a housing 2 in Leistenbauform.
- a contact arm 11 arranged on the selector shaft 4 to be aligned in an ON position essentially parallel to a width direction y of the housing 2 or switching device 1a, as shown by way of example in FIG.
- the arrangement of the contacts 5, the contact arms 11 and the quenching chamber 12 is rotated relative to the arrangement shown in Fig. 3 by 90 °, the function is the same.
- an ON position and an exhibition / AUSGELOST position of the arranged on the switching shaft 4 contact arm 11 are aligned substantially symmetrically about the depth direction z of the housing 2 / switching device la. For the illustration of FIG. 3, this would mean that the
- Extinguishing chambers 12 comprises, compared with the arrangement shown in Fig. 3 is rotated slightly counterclockwise, for example by 15 °. As a result, the width (in the y direction) of the switching arrangement 7 can be further reduced.
- a total of four arranged on the switching shaft 4 contact arms 11 are provided, each having two contacts 5.
- a respective contact arm 11, arranged on the switching shaft 4 is assigned to one switching arrangement 7 per one pole (eg LI, L2, L3, N) .
- This is advantageous, but not mandatory, for the invention It would also be conceivable, for example, for a contact arm 11 only one switching contact 5 is arranged, several on the
- Contact arm 11 arranged switching contacts 5 are assigned to a plurality of poles or that a pole more on the shift shaft 4 arranged contact arms 11 respectively Switching 7 is assigned. Quite generally, the electrical conductors assigned to the poles are routed to the outside of the housing 2 and form the terminals 8 and 9 there. For example, two outward poles could each be assigned two switching arrangements 7.
- the switching device la also has an optional in the switch lock third
- Overcurrent release 13 in case of overload, for example in the event of a short circuit, for a
- Overcurrent release 13 may be provided.
- the switching device la can be triggered, for example, with a voltage pulse in a conventional manner from a distance, that is, be turned off.
- the auxiliary contact 15 can in turn serve to interrogate the switching state of the switching device la from a distance.
- only one auxiliary contact 15 is provided, but it could also be provided a plurality of auxiliary contacts 15.
- an undervoltage release could be provided.
- the overcurrent release 13 and / or the remote release 14 and / or the auxiliary contact 15 are integrated in the switch lock 3 or directly coupled with it.
- these assemblies are not connected via the detour via the switching shaft 4 functionally connected to the switching mechanism 3.
- FIGS. 5 and 6 also show an exemplary and schematically illustrated switching device lb with a switching shaft 4, which in the depth direction z of
- Switching device lb is aligned. 5 shows a longitudinal section of said switching device 1b, Fig. 6 is a plan view.
- the switching device lb is very similar to the construction of the switching device la shown in Figures 1 and 2.
- the construction of a switching arrangement 7 and the connection to the switching mechanism 3 is similar to the switching device la. Accordingly, what has been said so far is also applicable to the switching device 1b shown in FIGS. 5 and 6.
- the switching shaft 4 is aligned in the switching device lb in the depth direction z and not in the longitudinal direction x.
- This arrangement is particularly advantageous if the arranged on the switching mechanism 3 actuator for manually opening and closing the switch contacts 5 is formed by a rotatably mounted lever 10 ', whose axis of rotation is also aligned in the depth direction z of the switching device lb.
- the axis of rotation of the lever 10 'and the axis of rotation A of the switching shaft 4 are thus parallel to each other, which is why the transmission of the rotational movement of the lever 10' on the shift shaft 4 succeeds particularly well. For example, this in turn, as shown, via a push rod 6 or quite simply via a wheel gear or
- the switching shaft 4 is arranged to the left of the switching mechanism 3.
- the shift shaft 4 but also be arranged to the right of the switching mechanism 3.
- the shift shaft 4 may also be located closer to the switch lock 3 or be further away.
- the switching arrangements 7 may also be arranged off-center with respect to the width direction y.
- the shift shaft 4 can also lie in a general position in the plane defined by the longitudinal direction x and the depth direction z.
- the longitudinal direction x and the depth direction z can also lie in a general position in the plane defined by the longitudinal direction x and the depth direction z.
- Shift shaft 4 in Fig. 5 to be inclined to the left or right.
- the push rod 6 may be equipped with ball heads. In this way, the switching shaft 4 may be formed even longer, or thereby also a wiring of
- Switching arrangements 7 are simplified. Finally, it is also conceivable that the switching shaft 4 is tilted from the x-z plane, with an angle of up to +/- 10 ° is considered appropriate.
- FIG. 8 shows a schematically represented tilted jump mechanism.
- the arrangement again comprises the switching shaft 4 with the arranged thereon
- the switching mechanism 3 comprises in this example a cylinder 16, a guided therein piston rod 17 and a compression spring 18.
- the compression spring 18 pushes the piston rod 17 from the cylinder 16, which is mounted about a pivot point 19 is out. If the actuating element designed as a slide 10 "is displaced from left to right, a dead center position is passed, after which the switching shaft 4 snaps into the ON position shown due to the force of the compression spring 18. Since the gap in the slide 10" is wider than the one
- Cylinder 16 is wide in this area, the switching shaft 4 can move independently of the slider 10 ", whereby a fast closing of the switching contacts is ensured 5.
- the switching mechanism 3 thus decouples the movement of the switching shaft 4 of the movement of the slider 10".
- the illustrated example of the switching mechanism 3 is intended to illustrate only the operation and is by no means mandatory for the switching device la..lc, and there are more
- the switching mechanism 3 can also be combined with the lever 10 or 10 '.
- the switching contacts 5 are not closed by a rotational movement of the contact arms 11, as shown in the figures, but by a translational movement.
- the contact arms 11 can be linear guided and be connected by means of a respective push rod with the switching shaft 4. With the help of the push rods, the rotational movement of the switching shaft 4 is converted into a translational movement of the contact arms 11.
- the contact arm 11 to perform a combined movement when actuated, that is to say a movement which is composed of a rotation and a translation.
- switching device la..lc or its components are not necessarily shown to scale, which therefore may also have other proportions. Furthermore, a switching device la..lc may also comprise more or fewer components than shown. Location information (for example, “top”, “bottom”, “left”, “right”, etc.] are based on the respective figure described and are in a position change of the switching device la..lc mutatis mutandis adapt to the new situation.
Landscapes
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Abstract
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE112016002440.1T DE112016002440A5 (de) | 2015-06-01 | 2016-05-23 | Schaltgerät in Leistenbauform mit längs ausgerichteter Schaltwelle |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102015108626.3 | 2015-06-01 | ||
DE102015108626 | 2015-06-01 |
Publications (1)
Publication Number | Publication Date |
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WO2016193040A1 true WO2016193040A1 (de) | 2016-12-08 |
Family
ID=56026902
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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PCT/EP2016/061603 WO2016193040A1 (de) | 2015-06-01 | 2016-05-23 | Schaltgerät in leistenbauform mit längs ausgerichteter schaltwelle |
Country Status (2)
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DE (1) | DE112016002440A5 (de) |
WO (1) | WO2016193040A1 (de) |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE442850C (de) * | 1927-10-28 | Carl Lambrecht | Mehrpoliger elektromagnetischer UEberstrom-Drehschalter mit Freiausloesung und magnetischer Funkenloeschung | |
CH305241A (de) * | 1952-08-19 | 1955-02-15 | Weber Ag Fab Elektro | Mehrpoliger Motorschutzschalter mit thermischem Überstromschutz und Freiauslösung. |
DE3301747A1 (de) * | 1982-02-04 | 1983-08-04 | Aktieselskabet Norsk Elektrisk & Brown Boveri, 3700 Skien | Kasette fuer den einbau von einer oder mehreren sicherungsleisten, trennschalter oder aehnlicher einheiten in eine verteilungstafel |
DE19852713C1 (de) | 1998-11-16 | 2000-09-07 | Moeller Gmbh | Leistungsschalter |
US6369340B1 (en) * | 2000-03-10 | 2002-04-09 | General Electric Company | Circuit breaker mechanism for a contact system |
EP2110838A2 (de) * | 2008-04-15 | 2009-10-21 | General Electric Company | Strompfadanordnung für einen Schutzschalter |
-
2016
- 2016-05-23 WO PCT/EP2016/061603 patent/WO2016193040A1/de active Application Filing
- 2016-05-23 DE DE112016002440.1T patent/DE112016002440A5/de active Pending
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE442850C (de) * | 1927-10-28 | Carl Lambrecht | Mehrpoliger elektromagnetischer UEberstrom-Drehschalter mit Freiausloesung und magnetischer Funkenloeschung | |
CH305241A (de) * | 1952-08-19 | 1955-02-15 | Weber Ag Fab Elektro | Mehrpoliger Motorschutzschalter mit thermischem Überstromschutz und Freiauslösung. |
DE3301747A1 (de) * | 1982-02-04 | 1983-08-04 | Aktieselskabet Norsk Elektrisk & Brown Boveri, 3700 Skien | Kasette fuer den einbau von einer oder mehreren sicherungsleisten, trennschalter oder aehnlicher einheiten in eine verteilungstafel |
DE19852713C1 (de) | 1998-11-16 | 2000-09-07 | Moeller Gmbh | Leistungsschalter |
US6369340B1 (en) * | 2000-03-10 | 2002-04-09 | General Electric Company | Circuit breaker mechanism for a contact system |
EP2110838A2 (de) * | 2008-04-15 | 2009-10-21 | General Electric Company | Strompfadanordnung für einen Schutzschalter |
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DE112016002440A5 (de) | 2018-02-22 |
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