EP2864995A1 - Schaltgerät mit elektromagnetischem schaltschloss - Google Patents
Schaltgerät mit elektromagnetischem schaltschlossInfo
- Publication number
- EP2864995A1 EP2864995A1 EP12750346.4A EP12750346A EP2864995A1 EP 2864995 A1 EP2864995 A1 EP 2864995A1 EP 12750346 A EP12750346 A EP 12750346A EP 2864995 A1 EP2864995 A1 EP 2864995A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- switching device
- moving contact
- contact
- coil
- 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.)
- Granted
Links
- 230000007246 mechanism Effects 0.000 title description 3
- 230000005284 excitation Effects 0.000 claims abstract description 9
- 230000008878 coupling Effects 0.000 claims description 32
- 238000010168 coupling process Methods 0.000 claims description 32
- 238000005859 coupling reaction Methods 0.000 claims description 32
- 239000003990 capacitor Substances 0.000 claims description 8
- 230000002441 reversible effect Effects 0.000 claims description 3
- 239000004065 semiconductor Substances 0.000 description 8
- 230000009471 action Effects 0.000 description 6
- 238000013461 design Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000004146 energy storage Methods 0.000 description 2
- 230000003993 interaction Effects 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 230000001960 triggered effect Effects 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000009795 derivation Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000036629 mind Effects 0.000 description 1
- 108090000623 proteins and genes Proteins 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 238000013519 translation Methods 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F7/00—Magnets
- H01F7/06—Electromagnets; Actuators including electromagnets
- H01F7/08—Electromagnets; Actuators including electromagnets with armatures
- H01F7/16—Rectilinearly-movable armatures
- H01F7/1607—Armatures entering the winding
- H01F7/1615—Armatures or stationary parts of magnetic circuit having permanent magnet
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H51/00—Electromagnetic relays
- H01H51/22—Polarised relays
- H01H51/2209—Polarised relays with rectilinearly movable armature
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F7/00—Magnets
- H01F7/06—Electromagnets; Actuators including electromagnets
- H01F7/08—Electromagnets; Actuators including electromagnets with armatures
- H01F7/16—Rectilinearly-movable armatures
- H01F2007/1692—Electromagnets or actuators with two coils
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H3/00—Mechanisms for operating contacts
- H01H3/001—Means for preventing or breaking contact-welding
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H50/00—Details of electromagnetic relays
- H01H50/54—Contact arrangements
- H01H50/546—Contact arrangements for contactors having bridging contacts
Definitions
- the invention relates to a switching device according to the preamble of claim 1.
- the invention relates in Spe ⁇ cordlen to a remotely controllable motor output with switching and protection function, in particular an integrated solution that both the operational switching at normal load as also enables shutdown in case of overload or short circuit by means of a device.
- Conventional switching devices of this type are usually equipped with two drives, one of which is provided for the operational switching and shutdown in case of overload, while the other drive is used for Schnellab ⁇ circuit in case of short circuit.
- an electromagnetic reluctance drive is provided.
- a mechanical switch lock is used, which is provided with one or more springs as energy storage. The maximum permissible switch-off times in the event of a short circuit, which are typically set at 5 ms today, must be observed only with such a switch lock.
- Switch lock an additional magnetic release needed.
- Another disadvantage is that the mechanical switching ⁇ lock after triggering manually and directly on the device must be tightened. The switching device can thus not be reset to the operating state by remote maintenance after the rapid shutdown.
- a further drive for the tensioning of such a switching mechanism for example, a stepping motor with gear box
- a circuit breaker according to the preamble of claim 1 DE 103 39 214 B4 is known. However, this document does not disclose means for rapid shutdown in the event of a short circuit.
- the invention has the object of specifying a switching device to ⁇ which enables both the operational switching on and off as well as the shutdown in case of overload and Schnellab ⁇ circuit in case of short circuit, the case but is also particularly simple and compact feasible. Desirable characteristics of the specified switching device further consist in that the rapid shutdown should be vorappelbar in the event of a short circuit by an electrical signal that the switching device after the quick shutdown automatically or by remote action in the operating state should be reset, and that the switching device "fail-save" (ie also error case operate surely) should be.
- the switching device accordingly has a main contact system, an electromagnetic drive unit and a coupling member.
- the main contact system is used for reversible closing and disconnecting a current path and for this purpose comprises at least one fixed contact and mindes ⁇ least one associated moving contact, wherein the moving contact between two switching positions, namely a closed position and an open position relative to the fixed contact is movable.
- the main contact system in per se üb ⁇ Licher design two via a switching bridge firmly connected to each other moving contacts, each moving contact with an associated fixed contact corresponds and wherein the
- Moving contacts can be brought together and at the same time with the associated fixed contacts in plant and lifted from this.
- the switching device can also be used in the context be executed also multipolar.
- the Hauptuttonsys ⁇ system can correspondingly have a plurality of intended for simultaneous closing or separating of the current paths fixed contacts and Be ⁇ wegmore.
- the electromagnetic drive unit is a bipolar magnet system whose magnetic circuit comprises both one or more permanent magnets and magnetic coils.
- the drive unit has a movable armature and a first fixed magnetic coil and a second stationary magnetic coil.
- the armature can be reversibly moved between two armature positions, wherein the armature in each of the two armature positions is stabilized by the permanent magnet or magnets of the bipolar magnet system. Consequently, it is at the An ⁇ drive unit to a bistable magnetic system itself.
- the coupling element finally serves to transmit a
- the coupling member is for this purpose movable between an operating position and a release position, wherein the operating position of the coupling member with the closed position of the moving contact, and the release position of the coupling member corresponds to the opening ⁇ position of the moving contact.
- the coupling member is at a closed (applied to the fixed ⁇ contact) moving contact regularly in its loading ⁇ operating position and with open (lifted from the fixed contact) moving contact in the release position.
- the coupling member is connected in an expedient embodiment of the invention, in particular fixed to the armature of the drive system and linearly displaceable together with this between the operating position and the release position.
- the coupling member is designed in particular as a plunger.
- the main contact system, the drive ⁇ unit and the coupling member are in operative relationship that the moving contact in deenergized (ie at least substantially de-energized) magnetic coils - despite the bistable in itself Design of the drive unit - monostable in the opening ⁇ position is held.
- the moving contact also returns from any other contact position back to the open position, if and as long as the solenoid coils are de-energized.
- the switching device is still in such a decor with dark ⁇ tet that is movable by selective excitation of the first solenoid of the moving contact in the closed position.
- the current path is concluded as intended by the fact that the first magnet coil is energized (ie energized) while the second magnet coil is de-energized or left in a de-energized state.
- This switching function corresponds essentially to the functioning of a contactor.
- the first magnetic coil used to close the main contact system is therefore also referred to below as a "contactor coil”.
- the second magnetic coil serves to rapidly shut down the switching device in the event of a short circuit in the current path.
- the switching device is designed such that by se ⁇ -selective excitation (so energization) of the second magnet coil, the moving contact is movable within an allowable for a short circuit in the current path Maximalausschaltzeit in the Publ ⁇ drying posture, so that the current flow in the current path is interrupted.
- the mentioned maximum switch-off time is in this case in particular 5 ms.
- the second magnet coil used for the fast cut-off is hereinafter also referred to as "short ⁇ circuit release coil".
- the switching device in a preferred embodiment additionally comprises at least one contact spring, which the moving contact in the direction of a
- the moving contact can be biased by the contact spring either in the manner of a circuit breaker through the contact springs in Rich ⁇ tion to its closed position or in the manner of a nes contactor be biased towards the open position.
- the switching device preferably has at least one return spring, which biases the coupling member in the direction of the release position.
- the monostable bearing of the moving contact in particular by the Georgiaam ⁇ menspiel of contact spring (s), return spring (s) and the drive unit to the moving contact he forces exerted ⁇ enough.
- the switching device has the particular pre ⁇ part that both the operational switching and the overload cut-off and emergency shutdown in case of short circuit by means of a single electromagnetic arrival drive takes place, resulting in a compact, lightweight and efficient
- the switching device goes in the event of a fault by itself in the off state, from which it can be switched on oh ⁇ ne further measures electrically.
- no manual reset operations are required after a quick circuit in the event of a short circuit.
- the high switching speed which is required for the Schnellabschal ⁇ tion in case of short circuit, is largely supported by the fact that the switching device due to the Monosta- stability of the open position automatically strives for this in the off state.
- the high turn-off speed is, moreover, by the ge ⁇ optionally existing return spring (s) and optionally by the optional spring contact (s) supported.
- the switching device is preferably an elec tronic ⁇ switching device, ie a switching device having an electronic control and an electronic current monitoring, in particular an electronic Auslettedetek- tion in case of overload and short circuit. Accordingly, the switching device comprises an electronic control circuit for on ⁇ control of the first magnetic coil and / or the second magnetic coil. To the holding force of the drive unit when closed
- the control circuit is preferential ⁇ way to partially energize after closing the switching device, the first solenoid by a clocked holding current (ie at comparatively low Level to gen ⁇ gene), so that the moving contact - especially just si ⁇ cher - is held in the closed position.
- the clocked partial excitation takes the control circuit in this case in particular by a pulse width modulation of the voltage applied to the contactor coil operating voltage.
- the control circuit is preferably further directed to the one ⁇ to reduce by circuitry measures the switch-off time in case of short circuit on.
- the control circuit comprises in a preferred embodiment, a de-energizing circuit which ensures in case of a short circuit in the current path an accelerated de-energizing - to be switched off in this case - contactor coil.
- the excitation circuit comprises, in particular as a substantial component, a Zener diode and a freewheeling diode connected in series therewith , via which the contactor coil is bridged after switching off.
- the control circuit preferably comprises an electrical energy store, in particular a capacitor.
- capacitor via which the short circuit trip coil may be in the case ei ⁇ nes short circuit quickly and effectively it stimulates ⁇ in the current path.
- the energy storage unit is in turn charged during normal operation of the switching device so that its performance processing a short circuit occurs immediately and in full to Availability checked ⁇ supply.
- the short-circuit release coil is used exclusively for Schnellab- circuit in the event of a short circuit, but not for the operational shutdown of the current path or the overload ⁇ shutdown.
- the contactor coil is de-energized (turned off) by the control circuit while the short-circuit release coil is left de-energized.
- the moving contact returns in the ⁇ case automatically, possibly supported by the remindfe ⁇ the (n) and / or the contact spring (s) in the monostable open position back.
- the coupling member is preferably in its Be ⁇ operating position in a decoupled from the moving contact state.
- the coupling element is arranged in its operating position at a certain distance from the moving contact and the parts connected thereto.
- This decoupling of the coupling member from the moving contact it is ⁇ sufficient that the coupling member with a short circuit in the current path - the Kurzröö ⁇ serspule and corresponding excitation - is accelerated at first without physical contact with the moving contact, so that the coupling member already with a non-zero momentum impinges directly or indirectly on the moving contact.
- the moving contact is thus particularly fast accel ⁇ nigt by the coupling member, which êtt the collapse of the current flow in the current path loading.
- At least one of the two magnet coils is expediently also in a de-energized state. was not completely energized. Rather, the contactor coil and / or the short-circuit release coil are also applied in a de-energized state with a low quiescent current.
- the monitoring of the quiescent current which is chosen so low that it does not affect the force relationships in the drive kinematics wesent ⁇ Lich, allows a conclusion on the radio ⁇ tion capability of the magnetic coils.
- a monotoni ⁇ ger line breakage in one of the magnetic coils is detected on the basis of also collapsing in this case, the quiescent current through the control circuit in advance.
- the permanent magnet of the bipolar magnetic drive system are preferably fixedly arranged on a yoke of the Magnetsys ⁇ tems. In principle, however, they could also be mounted on the movable armature within the scope of the invention.
- the switching device is characterized in particular by a bipolar, bistable electromagnetic drive unit with two stationary magnetic coils (namely a contactor coil and a short-circuit release coil), stationary permanent magnets and a moving armature. Furthermore, the switching device comprises an electronic module for controlling the bipola ⁇ ren magnet system.
- the switch further comprises a main contact system, which is kept closed by contact springs either without interaction with the drive as in a typical circuit breaker, or which is open without interaction with the drive as in a contactor and is closed by the drive.
- the contact system, the magnet system and usually at least one other spring act together in such a way that in the de-energized state of the magnetic coils, the balance of forces from permanent magnet contact spring (s) and
- Backpressure spring keeps the main contact system open and for each condition the components of the switchgear are in
- the rapid shutdown is triggered by switching off the voltage at the contactor coil and energizing the
- the short-circuit release coil is energized in this case from a separate power source, such as a capacitor, and
- the armature and a yoke surrounding it and the magnet coils are produced in a non-braided or non-braided design
- planar or concentric cross-sections are chosen for the anchor and the overall configuration
- the permanent magnets are arranged concentrically or only in segments in the coupling branch or on the coupling branches of the magnetic circuit, and / or
- the coupling link is supplemented by an integrated translation and deflection mechanism.
- the coupling member can also be constructed as a rotary system in order to obtain further advantages in terms of friction and dynamics.
- the optionally existing contact spring can also be connected to the coupling member via a running counter-bearing to reduce the total force level of the drive.
- the drive unit can be designed so that the holding power in the switched-on state of the switching device is very small
- FIG. 1 shows a roughly schematic longitudinal section of a switching ⁇ device with a main contact system, a bipolar electromagnetic drive unit with a stationary yoke, two stationary held therein magnetic coils and a movable armature and with a coupling member in the form of a plunger for transmis ⁇ tion of a force of the drive unit on the main contact system with the main contact system closed,
- Circuit diagram, a control circuit for controlling the two magnetic coils of the switching device according to FIG 1, 4 shows in diagram in FIG 1, an alternative exporting ⁇ approximate shape of the switching device with a closed main ⁇ contact system,
- FIG 5 in illustration of FIG 1, the switching device according to FIG
- FIG. 6 shows a schematic longitudinal section of a further embodiment of the main contact system.
- the Figures 1 and 2 show very schematically a simplified ers ⁇ te embodiment of a switching device 1, which is a so-called compact starter for supplying an electric motor with a supply current.
- the switching device 1 allows in a single device both the ⁇ be driving and switching off under normal load as well as an overload shutdown and an emergency shutdown in the event of a short circuit.
- the switching device 1 comprises a main contact system 2, an on ⁇ drive unit 3 and a coupling member 4th
- the fixed ⁇ contact 11 is in this case attached to the end of a power supply busbar 15, while the fixed contact 12th is attached to the end of a current-carrying busbar 16.
- the two moving contacts 13 and 14 are mounted in juxtaposition to each other at the ends of a switching bridge 17.
- the switching bridge 17 is displaceable together with the movement contacts 13 and 14 mounted therein between a closed position shown in FIG. 1 and an open position shown in FIG.
- the switching bridge 17 is acted upon by means of a contact spring 18 in the direction of the busbars 15 and 16, so that the moving contacts 13 and 14 are each biased in the direction of their closed position.
- the drive unit 3 is formed by a bipolar magnet system. It comprises a circumferential yoke 20 in which two magnetic coils are accommodated.
- the remote from the main contact system 2 magnetic coil is hereinafter referred to as (contactor) coil 21.
- the magnetic coil facing the main contact system 2 is referred to as a (short-circuit release) coil 22.
- a plurality of permanent magnets 23 are arranged between the two aligned in series coils 21 and 22 .
- the yoke 20 has one each as
- Pole shoe 24 acting projection with which the yoke 20 protrudes slightly into the interior of the respective adjacent coil 21 and 22 respectively.
- a cylindrical armature 25 is received from soft iron.
- the armature 25 has a space between the pole pieces 24 substantially undershooting length and is thus parallel to the axis of the coils 21 and 22 between two anchor positions reversibly displaceable ⁇ bar.
- the armature 25 dives primarily into the contactor coil 21 and in this case bears against the end face of the pole piece 24 of the yoke 20 remote from the main contact system 2.
- the anchor 25 dives against it decisively in the short-circuit release coil 22 and is the end face of the main contact system 2 facing pole piece of the yoke 20 at.
- the drive unit 3 is a bistable magnet system in which the armature 25 is stabilized in its two armature layers according to FIG. 1 and according to FIG. 2 as a result of the magnetic flux generated by the permanent magnets 23 as long as the coils 21 and 22 are de-energized means essentially are not energized.
- the anchor 25 is replaced by a bistable magnet system in which the armature 25 is stabilized in its two armature layers according to FIG. 1 and according to FIG. 2 as a result of the magnetic flux generated by the permanent magnets 23 as long as the coils 21 and 22 are de-energized means essentially are not energized.
- the anchor 25 is replaced by a bistable magnet system in which the armature 25 is stabilized in its two armature layers according to FIG. 1 and according to FIG. 2 as a result of the magnetic flux generated by the permanent
- Back pressure spring 26 biased in the main contact system 2 facing anchor position (according to FIG 2).
- the coupling member 4 serves to transmit a force from the drive unit 3 to the switching bridge 17, and thus to the movement of the moving contacts 13 and 14 between the closed ⁇ position and the open position.
- the coupling member 4 here consists of a plunger 28 which is fixedly connected to the armature 25 and thus strigo ⁇ ben with this.
- operating position position of the plunger 28 which is shown in FIG 1
- the plunger 28 is retracted together with the armature 25 relative to the main contact system 2, so that the free end of the plunger 30 is arranged at a distance from the switching bridge 17 is.
- the moving contacts 13 and 14 are in this case moved to its closed position under the action of pressing on the switching bridge 17 contact spring 18 of FIG.
- the contact spring 18 and the return spring 26 are dimensioned and arranged with additional consideration of the forces generated by the permanent magnet 23 so that the plunger 28 together with the armature 25 in deenergized coils 21 and 22 always assumes the triggering position shown in FIG , This position is monostable in the sense that the plunger 28 moves automatically from any other position in the release position, as long as the coils 21 and 22 are ent ⁇ energized.
- Contactor coil 21 is supplied with an operating voltage and thus excited.
- the armature 25 is deflected by overcoming the forces exerted by the return spring 26 and the permanent magnets 23 in the armature position of FIG 1.
- the plunger 28 is taken with the anchor 25 in its operating ⁇ position. Under the retraction of the plunger 28, in turn, the moving contacts 13 and 14 are moved under the action of the contact spring 18 in its closed position.
- the contactor coil 21 is only for attracting the armature 25 for a predetermined period of time (tightening time) constantly excited. Rather, the contactor coil 21 is only partially energized in a holding phase after the closing time by the contactor coil 21 is subjected to a pulse width modulated, and thus temporally clocked voltage.
- the pulse width ratio of this clocked holding voltage is such chosen that the anchor 25 is just kept safe in the anchor position shown in FIG.
- the contactor coil 21 is de-energized by switching off the holding voltage.
- the armature 25 and the plunger 28 are in this case pressed under the action of the return spring 26 in the release position shown in FIG 2, whereby the Be wegURIe 13 and 14 are moved back into its open position.
- Switching device 1 moves particularly quickly in its release position.
- the switching device 1 is in this case designed such that it can be switched off within 5 ms in the event of a short circuit.
- 3 shows an electronic control circuit 30 of the switching device 1.
- This control circuit 30 comprises a first circuit part 31 for controlling the contactor coil 21, a second circuit part 32 for controlling the short-circuit release coil 22 and a common control unit 33rd
- the circuit part 31 is essentially formed by a voltage source 34 and a semiconductor switch 35, which are connected in series with the contactor coil 21.
- a de-energizing circuit 37 is connected in the context of the circuit ⁇ part 31, which consists of a ner (reversely connected in the potential gradient generated by the voltage source 34) freewheeling diode 38 and an antiparallel thereto connected Zener diode 39 is formed.
- the circuit part 32 also comprises a voltage source 40 and a semiconductor switch 41, which are connected together with a charging resistor 42 in series with the short-circuit release coil 22.
- a resistor 43 which is shown in FIG. 3, again illustrates the ohmic resistance of the short-circuit release coil 22 in the manner of an equivalent circuit diagram.
- the circuit part 32 furthermore comprises, as an electronic energy store, a capacitor 44 which is connected in parallel with the voltage source 40 and the charging resistor 42.
- the semiconductor switches 35 and 41 are driven by the control unit 33, which is formed in particular by a microcontroller with a control software implemented therein.
- the control unit 30 To energize or de-excite the contactor coil 21 of the semiconductor switch 35 is controlled by the control unit 30 (closed or electrically switched) or controlled (open or locked). In the hold phase, the semiconductor switch 35 is clocked up and closed by the control unit 33 with the preset pulse width ratio.
- both coils are in the de-energized to stand ⁇ by the control circuit 30 with a low voltage applied, under the action by the coils is always flowing a small quiescent current.
- the control unit 33 monitors this quiescent currents continuously, and causes in a ⁇ together lapsing of the quiescent current - for example due to a breakage Leis ⁇ processing in one of the coils 21 and 22 - the switching off of the switching device.
- a second embodiment of the switching device 1 is shown in Figures 4 and 5 in the closed position or open position of the main contact system 2.
- This embodiment of the switching device 1 is different from the embodiment ge ⁇ Gurss Figures 1 and 2, characterized in that the switching bridge 17 is mounted over the contact spring 18 directly to the plunger 28th
- the coupling member 4 comprises for this purpose as with the plunger 28 mit- running abutment for the contact spring 18 a bearing plate 50, the ELId mineral on the - here by the switching bridge 17 projecting plunger - 28 is mounted.
- the contact spring 18 and the return spring 16 thus act in the same direction on the plunger 28th
- FIG. 6 also shows an alternative embodiment of the main contact system 2. This differs from the above embodiments in that the switching bridge 17 is not linearly displaceable, but about an axis 60 between (shown in FIG 6 with solid lines) closed position and (indicated in Figure 6 with dashed lines) opening position of the moving contacts 13 and 14 is pivotable.
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- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Relay Circuits (AREA)
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Abstract
Description
Claims
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/EP2012/065344 WO2014023326A1 (de) | 2012-08-06 | 2012-08-06 | Schaltgerät mit elektromagnetischem schaltschloss |
Publications (2)
Publication Number | Publication Date |
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EP2864995A1 true EP2864995A1 (de) | 2015-04-29 |
EP2864995B1 EP2864995B1 (de) | 2016-07-27 |
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ID=46724365
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EP12750346.4A Active EP2864995B1 (de) | 2012-08-06 | 2012-08-06 | Schaltgerät mit elektromagnetischem schaltschloss |
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EP (1) | EP2864995B1 (de) |
WO (1) | WO2014023326A1 (de) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102014111854B4 (de) | 2014-08-19 | 2023-06-15 | Eaton Intelligent Power Limited | Schaltgerät mit Schalt- und Schutzfunktion |
DE102014117489A1 (de) | 2014-11-28 | 2016-06-02 | Eaton Electrical Ip Gmbh & Co. Kg | Schnellauslöseanordnung zum Trennen eines Strompfads in einem Schaltgerät |
DE102014117491A1 (de) | 2014-11-28 | 2016-06-02 | Eaton Electrical Ip Gmbh & Co. Kg | Schaltgerät mit einem Antrieb zum betriebsmäßigen Schalten und mit einem Schnellauslöser zum Trennen eines Strompfads in dem Schaltgerät |
US10199192B2 (en) * | 2014-12-30 | 2019-02-05 | Littlefuse, Inc. | Bi-stable electrical solenoid switch |
FR3042639B1 (fr) | 2015-10-20 | 2017-12-08 | Moving Magnet Tech | Actionneur lineaire a stabilite magnetique et force d'arrachement ameliorees |
DE102016123283A1 (de) * | 2016-12-01 | 2018-06-07 | Innofas Gmbh | Vorrichtung zum Trennen eines Bordnetzes von einer Energiequelle |
DE102017000901A1 (de) * | 2017-02-01 | 2018-08-02 | Rhefor Gbr (Vertretungsberechtigter Gesellschafter: Arno Mecklenburg, 10999 Berlin) | Bistabiler Hubmagnet |
CN114391173A (zh) * | 2019-07-16 | 2022-04-22 | 苏州力特奥维斯保险丝有限公司 | 两件式螺线管柱塞 |
WO2023272430A1 (zh) * | 2021-06-28 | 2023-01-05 | 华为数字能源技术有限公司 | 一种断路器及供电系统 |
DE102021122028A1 (de) | 2021-08-25 | 2023-03-02 | Elpro Gmbh | Schaltschloss |
Family Cites Families (5)
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DE4034485A1 (de) * | 1990-10-30 | 1992-05-07 | Ernst H Grundmann | Niederspannungsschaltgeraet |
GB2350724B (en) * | 1999-05-29 | 2003-12-03 | Alstom Uk Ltd | Magnetic actuator arrangement |
DE10146899A1 (de) | 2001-09-24 | 2003-04-10 | Abb Patent Gmbh | Elektromagnetischer Aktuator, insbesondere elektromagnetischer Antrieb für ein Schaltgerät |
JP4230246B2 (ja) | 2002-08-27 | 2009-02-25 | 三菱電機株式会社 | 操作装置およびその操作装置を使用した開閉装置 |
BRPI0520792A2 (pt) * | 2005-12-22 | 2009-06-23 | Siemens Ag | método e dispositivo para operar um dispositivo de comutação |
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2012
- 2012-08-06 WO PCT/EP2012/065344 patent/WO2014023326A1/de active Application Filing
- 2012-08-06 EP EP12750346.4A patent/EP2864995B1/de active Active
Non-Patent Citations (1)
Title |
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See references of WO2014023326A1 * |
Also Published As
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EP2864995B1 (de) | 2016-07-27 |
WO2014023326A1 (de) | 2014-02-13 |
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