EP2126951A1 - Actionneur electromagnetique hybride - Google Patents
Actionneur electromagnetique hybrideInfo
- Publication number
- EP2126951A1 EP2126951A1 EP08708951A EP08708951A EP2126951A1 EP 2126951 A1 EP2126951 A1 EP 2126951A1 EP 08708951 A EP08708951 A EP 08708951A EP 08708951 A EP08708951 A EP 08708951A EP 2126951 A1 EP2126951 A1 EP 2126951A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- coil
- magnetic
- electromagnetic actuator
- switch
- magnetic switch
- 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
- 230000005291 magnetic effect Effects 0.000 claims abstract description 101
- 230000005284 excitation Effects 0.000 claims abstract description 7
- 238000006073 displacement reaction Methods 0.000 claims description 9
- 239000003302 ferromagnetic material Substances 0.000 claims description 7
- 230000005520 electrodynamics Effects 0.000 description 13
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 6
- 230000004907 flux Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 230000007423 decrease Effects 0.000 description 3
- 230000005415 magnetization Effects 0.000 description 3
- 230000005294 ferromagnetic effect Effects 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 238000000418 atomic force spectrum Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000003292 diminished effect Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 229910000595 mu-metal Inorganic materials 0.000 description 1
- 230000000284 resting effect Effects 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H53/00—Relays using the dynamo-electric effect, i.e. relays in which contacts are opened or closed due to relative movement of current-carrying conductor and magnetic field caused by force of interaction between them
- H01H53/01—Details
- H01H53/015—Moving coils; Contact-driving arrangements associated therewith
-
- 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
- H01F7/066—Electromagnets with movable winding
-
- 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
- H01H71/12—Automatic release mechanisms with or without manual release
- H01H71/24—Electromagnetic mechanisms
- H01H71/32—Electromagnetic mechanisms having permanently magnetised part
- H01H71/321—Electromagnetic mechanisms having permanently magnetised part characterised by the magnetic circuit or active magnetic elements
-
- 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
- H01F7/13—Electromagnets; Actuators including electromagnets with armatures characterised by pulling-force characteristics
Definitions
- the present invention relates to an electromagnetic actuator intended to be used in a switch electrical appliance, in particular in a relay, contactor or contactor-circuit breaker type apparatus.
- the invention also relates to a switch device comprising such an actuator for actuating its movable contacts.
- the switch device comprises fixed contacts cooperating with moving contacts and an electromagnetic actuator which moves the movable contacts between a closed position in which they are pressed against the fixed contacts to circulate the supply current in the electric charge. , and an open position in which they are separated from the fixed contacts, thereby cutting off power to the load.
- the actuators can use various actuation systems based on different magnetic and / or electromagnetic properties.
- an electromagnet reluctant system is an actuation system frequently used in contactors. It comprises an excitation coil traversed by an electric control current and a variable inductance ferromagnetic circuit comprising a fixed part and a movable part. It can also be polarized by the addition of a permanent magnet.
- a reluctant system primarily generates a magnetic force that results from the change in reluctance due to the change in the value of the air gap of the magnetic circuit between the open and closed positions. This force is inversely proportional to the square of the value of the magnetic gap. In the closed position, when the value of the gap is minimal, the motor force generated is therefore maximum. A low holding current in the coil is then sufficient to oppose the resisting force of the return means (such as return springs and contact pressure springs) and maintain the system in the closed position with a pressure of sufficient contact.
- the return means such as return springs and contact pressure springs
- a reluctant system is capable of providing this important motor force only over a very short stroke, generally less than a few millimeters. Indeed, in the open position, the value of the air gap of the magnetic circuit is maximum. To start the closing stroke bringing the moving contacts from the open position towards the closed position, a high inrush current in the coil is therefore necessary to create a sufficient motor force capable of attracting the moving part of the magnetic circuit. This can then lead to oversize the entire system (magnetic circuit and coil) with respect to this high inrush current requirement in the coil.
- An actuating system of the electrodynamic type has a fixed ferromagnetic circuit, a magnet assembly and a coil which is movable with respect to this magnet assembly. It can be either fixed magnet and moving coil (such as a Voice-coil), or fixed coil and moving magnet (Moving Magnet electromagnet).
- the magnetic force is mainly a Laplace force which results from the variation of the mutual inductance between the magnet assembly and the coil. It is proportional to the current flowing through the coil, to the magnetic induction generated by the magnet assembly and also to the length of the coil traversed perpendicularly by the magnetic field generated by the magnet assembly.
- Such a system therefore provides a motor force having a good linearity throughout the race between the open and closed positions, for a magnetic flux and a given coil current.
- this system does not provide a significant additional motor force near the closed position to ensure a good contact pressure of the movable contacts on the fixed contacts of the switch device. It is then necessary to greatly increase the coil current in the closed position, resulting in a significant electrical consumption as well as possible thermal problems.
- the magnetic field of the permanent magnet always passes through the coil, which maintains the electrodynamic-type operation and can disrupt the smooth operation of type cogging.
- this magnet permanently creates an attractive force which tends to keep the air gap at its minimum value, even in the absence of any current flowing in the coil. This effect is then troublesome when opening the actuator because it requires greater elastic return means to effectively open the contacts, which obviously increases the resisting force of the actuator.
- the object of the invention is therefore to design is a hybrid electromagnetic actuator capable of operating either in reluctant mode, or in electrodynamic mode according to the position of the movable part of the actuator, but which does not have the aforementioned drawbacks.
- the invention must thus optimize the stroke of the motor force of the actuator, minimize the energy consumption and optimize the size of the reluctant part of the actuator.
- the invention describes an electromagnetic actuator for a switch electrical apparatus comprising a magnet assembly, an excitation coil that can be traversed by an electric control current, the coil and the magnet assembly being movable, one by relative to the other between a first position and a second position, a magnetic circuit comprising a fixed yoke and a moving part, the moving part being integral with the magnet assembly or the coil, and having with the fixed yoke a minimum air gap in the first position and maximum in the second position.
- the actuator is characterized in that it comprises a magnetic switch set to the coil and arranged to be placed partly between the coil and the magnet assembly in the first position, so as to deflect part of the magnetic field of the magnet assembly.
- the magnetic switch in the first position, is mainly positioned within an area delimited by coil surfaces. and the magnet assembly which are facing each other, and in the second position, the magnetic switch is mainly positioned outside said zone.
- the magnetic switch in the first position, is completely positioned inside said zone. According to another characteristic, in the second position, the magnetic switch is completely positioned outside said zone.
- the magnet assembly is integral with the fixed yoke and the coil is integral with the moving part of the magnetic circuit.
- the coil is integral with the fixed yoke and the magnet assembly is integral with the moving part of the magnetic circuit.
- the magnetic switch will make it possible to switch and channel to a preferred direction all or part of the magnetic field created by the magnet assembly and passing through the coil, so that in particular this magnetic field less disturbs the reluctant system, in the vicinity of the closed position and so as to reduce the attraction force generated by the magnetic field in the absence of coil current, when opening the actuator.
- the invention also relates to an electrical switch apparatus having fixed contacts cooperating with movable contacts to switch the supply of an electric load, and comprising at least one such electromagnetic actuator for actuating the movable contacts.
- FIG. 1 shows a sectional view of a hybrid actuator 2 is a sectional view of a first embodiment of a hybrid actuator according to the invention, in the closed position
- FIG. 3 represents the actuator of FIG. 2.
- Figure 4 details an alternative to the actuator of Figure 2
- Figures 5 & 6 show sectional views of a second embodiment of a hybrid actuator according to the invention, respectively in position closed and open
- Figure 7 shows schematically a stress curve of the hybrid actuator according to the invention.
- FIG. 1 shows an example of a known hybrid electromagnetic actuator used in an electric switch-type switch, contactor-breaker or relay type electrical appliance. As indicated above, such an actuator combines the advantages of a reluctant system and an electrodynamic system, so as to better adapt the curve profile of the motor force of the actuator to the profile of the resistant stress curve .
- the fixed yoke 10 has a lateral portion formed by two lateral flanks 12, 13 and a central core 15, the assembly resting on a common base 14.
- the central core 15 is wholly or partially surrounded by an excitation coil 30 which is movable in translation along a longitudinal axis of displacement X when it is traversed by an electric control current.
- the central core 15 and the coil 30 have indifferently a square or circular cross section.
- the electrical apparatus comprises fixed contacts cooperating with movable contacts which are driven by the actuator.
- the moving part 20 of the magnetic circuit is for example composed of a simple moving vane 20. Equivalently, this movable part 20 could also have a constitution similar to the fixed yoke, with side flanks and a central core which would be placed in position. vis-à-vis those of the fixed yoke, as frequently occurs in contactors.
- the movable pallet 20 is mechanically linked to the reel 30 by various conventional connecting means not detailed here.
- the mobile contact or contacts of the apparatus (not shown in the figures) are mechanically coupled with the moving vane 20.
- the movable vane 20 and the reel 30 therefore move along the X axis between a first closed position in which the contacts movable are pressed against the fixed contacts, and a second open position in which the movable contacts are separated from the fixed contacts of the apparatus.
- the magnetic circuit has a magnetic gap E formed by the spaces between the different surfaces vis-à-vis the movable pallet 20 and the fixed yoke 10. This air gap has a maximum value in the open position and a minimum value in the closed position .
- Unrepresented return means (such as a spring for example) allow the actuator to move from the closed position to the open position.
- This opening movement is facilitated by sending a reverse current in the coil.
- the actuator also comprises a magnet assembly which is composed of two magnets 32, 33 respectively, fixed on the inner wall of the lateral flanks 12, respectively 13, symmetrically with respect to the axis of longitudinal displacement X of the coil 30 and facing the coil 30.
- the magnetization axes of the magnets 32, 33 are perpendicular and symmetrical with respect to the axis X and directed either towards the X axis or opposite the X axis.
- the magnetization direction of the magnets 32,33 and the direction of the current flowing in the coil are chosen to obtain the desired movement of the assembly. "coil 30 + moving pallet 20".
- the movement of the movable pallet 20 along the X axis relative to the fixed yoke 10 represents the actuator stroke between the open position and the closed position.
- an electric current is circulated in the coil 30.
- a first magnetic flux Br created by the reluctant effect of the actuator.
- This reluctant flow Br generates a displacement force Fr of the moving vane which is proportional to the ampere-turns n * 1 supplied by the coil 30, to the surface S of the gap of the magnetic circuit and which is inversely proportional to the square of the distance E formed by this gap.
- This force is therefore of non-linear shape as a function of the stroke of the actuator.
- the magnetic fluxes Br and Be are indicated in the closed position.
- the gap has a minimum value E corresponding to a residual gap which is maintained by construction, to avoid saturation of the actuator.
- the flow Br circulates between the bolt 20 and the fixed yoke 15, 14, 12 (respectively 13) of the actuator through the gap E of the actuator.
- the stream Be passes through the poles SN of the magnet 32 (respectively 33) and passes through the coil 30 perpendicularly to the axis of displacement X, before recoupling on the one hand via the parts 15, 14, 12 (respectively 13). ) of the actuator and secondly via the parts 15, E, 20, E, 12 (13 respectively) of the actuator.
- Figure 1 shows that, in the closed position, the flow Be can have a direction opposite to the flow Br in the cylinder head 20 of the actuator, which affects the effectiveness of the contact pressure force of the movable contacts.
- the magnetic field of the permanent magnets 32, 33 creates a force of attraction which maintains the gap E between the bolt 20 and the fixed yoke (central core 15, lateral flanks 12, 13) to their minimum value and that it must be overcome during the opening movement of the actuator.
- part of the reluctance flow Br passes through the magnets 32, 33 and not through the gap E, which reduces the efficiency of the ampere turns n * 1 of the coil 30.
- the invention proposes to add in such a hybrid actuator a magnetic switch made of ferromagnetic material (such as a metal material or iron) and attached to the excitation coil.
- This magnetic switch is intended to deflect all or part of the magnetic field of the magnet assembly in the closed position of the actuator, so that the magnetic field does not cross the coil.
- FIG. 2 A first embodiment is shown in Figures 2 & 3, wherein the magnetic switch is composed of two plates 35, 36 which are fixed on the outer wall of the voice coil 30, symmetrically with respect to the axis X. The two plates 35, 36 thus move with the coil 30.
- the actuator shown is of the same type as that of FIG. 1.
- the magnetic switch is arranged to be placed partly between the coil 30 and the magnet assembly 32, 33 in a first position corresponding to the closed position of the actuator (see FIG. 2).
- the magnetic switch is mainly placed between the coil and the magnet assembly, that is to say the magnetic switch 35 (respectively 36) is mainly positioned within a zone 37 (38 respectively) delimited by the surfaces of the coil 30 and the magnet assembly 32 (respectively 33) facing one another.
- the magnetic switch 35 is completely positioned inside the zone 37 (respectively 38) in the closed position of the actuator.
- the magnetic switch is not mainly placed between the coil and the magnet assembly, that is to say that the magnetic switch 35 (respectively 36) is mainly positioned outside the zone 37 (respectively 38) delimited by the surfaces of the coil 30 and the magnet assembly 32 (respectively 33) which are facing each other .
- the magnetic switch 35 is completely positioned outside the zone 37 (respectively 38) in the open position of the actuator.
- FIG. 3 thus shows that in the open position, given the value In the case of the air gap E, the main driving force is due to the electrodynamic magnetic flow Be through the elements 32/33, 30, 15, 14, 12/13 and generating a displacement force of Laplace Fe of the coil assembly 30. + 20 "moving pallet, when a current flows in the coil 30.
- the magnetic switchgear 35 when the magnetic switchgear 35 is predominantly positioned inside the zone 37, then it deflects a large part of the magnetic field lines of the magnet 32 in order to direct them towards a privileged direction, that is to say to say towards the nearest magnetic material, in this case towards the bolt 20, so that the part of the stream Be passing through the path 32, 30, 15, 14, 12 will become negligible, as long as the switcher magnetic will not be saturated.
- a significant portion of the stream Be no longer perpendicularly crosses the coil 30, which results in the Laplace Fe force decreases very substantially. Therefore, in the closed position, the motor force acting on the bolt 20 remains mainly the reluctant force Fr.
- the magnetic switch 35 also has the effect that the magnetic field of the permanent magnet 32 (respectively 33) no longer crosses the gap between the central core 15 and the bolt 20.
- the attraction force due to the magnet assembly in the absence of coil current is lower than in the same hybrid actuator having no magnetic switch.
- the magnetic switch is composed of two elements 35 ', 36' of ferromagnetic material which are fixed on the outer wall of the voice coil 30, symmetrically about the axis X.
- the shape of the element 35 '(respectively 36') differs from the plate 35 (respectively 36) of Figure 2, in that it further comprises a flange allowing the magnetic switch to approach closer to the lateral flank 12 (respectively 13) of the fixed yoke 10.
- this rim is that, in the closed position, the switch 35 (respectively 36) is closer to the lateral flank 12 (respectively 13) of the fixed yoke 10 that the movable pallet 20 of the magnetic circuit. That is to say that, in the closed position, the gap between the switch 35 (respectively 36) and the lateral flank 12 (respectively 13) is less than the gap between the switch 35 (respectively 36) and the mobile pallet 20.
- the magnetic switch is able to redirect and loop the magnetic field of the magnet assembly directly to the fixed yoke 10 without passing through the movable paddle 20.
- the magnetic field is then short-circuited so it no longer crosses the air gap between the central core 15 and the bolt 20 and the air gaps between the lateral flanks 12, 13 and the bolt 20.
- the influence of the force of attraction of the assembly magnetized in the absence of current coil is further diminished, which further facilitates the opening movement of the actuator.
- FIGS 5 & 6 show a second embodiment of a hybrid actuator according to the invention.
- This actuator comprises a magnetic circuit made of ferromagnetic material and comprising a fixed yoke 40 and a movable member 41 of central plunger type, which is movable in translation along a longitudinal axis of displacement X.
- a fixed excitation coil 44 is positioned at the interior of the flanks of the fixed yoke 40.
- the movable core 41 and the coil 44 have either a square or circular cross section.
- the actuator also comprises a magnet assembly which is composed of two magnets 42, 43 respectively, fixed on the sides of the movable core 41 symmetrically with respect to the longitudinal axis of displacement X.
- the magnetization axes of the magnets 42, 43 are perpendicular and symmetrical with respect to the X axis and directed either towards the X axis or opposite to the X axis.
- the movable part 41 of the magnetic circuit is therefore integral with the magnet assembly 42, 43 .
- the coil is still movable relative to the magnet assembly. But in this second embodiment, the coil 44 is now fixed and the magnets 42, 43 are movable. This arrangement advantageously makes it possible to have a fixed coil, which simplifies its electrical connection.
- the actuator also comprises a magnetic switch composed of two elements 45, 46 made of ferromagnetic material (such as a mu-metal or iron material) and fixed on an inner wall of the coil 44.
- the magnetic switch 45 (respectively 46) is mainly positioned within an area delimited by the surfaces of the coil 44 and the magnet assembly 42 (respectively 43) facing one from the other.
- the switchman magnetic 45 (respectively 46) is mainly positioned outside the area delimited by the surfaces of the coil 44 and the magnet assembly 42 (respectively 43) which are facing one another.
- FIGS. 5 & 6 shows that the shape of the magnetic switch 45 (respectively 46) advantageously allows that, in the closed position, the switch 45 (respectively 46) is closer to the moving core 41 than to the fixed yoke 40 of the magnetic circuit. That is to say that, in the closed position, the gap between the switch 45 (respectively 46) and the movable core 41 is less than the gap between the switch 45 (respectively 46) and the fixed yoke 40 , so as to reduce the influence of the magnetic field of the magnets 42, 43 during the opening movement.
- the actuator behaves like an electrodynamic actuator with a flow Be passing perpendicularly through the coil 44 and passing through the fixed yoke 40, the central core 41 and the magnets 42,43, as shown in FIG. the magnetic gap between the fixed yoke 40 and the central core 41 is minimal and a reluctant flow Br passes through the fixed yoke 40 and the central core 41.
- the magnetic field of the magnets 42,43 is largely redirected and rebouclé directly to the central core 41 without passing through the coil 44 and without going through the air gap between the fixed yoke 40 and the central core 41, thanks to the magnetic switch 45, 46.
- the invention it is thus possible to optimize the curve of the motor force generated by the actuator as a function of the travel X of the moving part of the magnetic circuit, so as to get as close as possible to the resisting force of the electrical appliance.
- An example of such a curve is given in FIG. 7 in a graph showing the different forces F as a function of the travel X.
- the curve F1 represents the conventional resistant force of a contactor or relay type switch device.
- the resistant force F1 is minimum in the open position (when the stroke X is maximum - Off in FIG. 7), increases slowly to a threshold marking the meeting between the movable contacts and the fixed contacts of the apparatus, then continues to to increase more rapidly as the travel X decreases (to the closed position - On in FIG. 7) corresponding to the compression of the contact pressure springs of the movable contacts.
- Curve F2 shows the motor force of a conventional electrodynamic type actuator. This effort F2 is regular over the entire stroke of the moving part but is not able to overcome the additional resistance force when approaching the closed position.
- Curve F3 shows the motor force of a conventional actuator reluctant type. This effort F3 is very high near the closed position, but then decreases rapidly as the air gap of the magnetic circuit of the actuator increases.
- Curve F4 shows the motor force of a hybrid actuator according to the invention, which is a combination of the force F2 in the vicinity of the open position (negligible influence of F3 because of the large gap) and the F3 effort near the closed position (through the use of the magnetic switch).
- Adjustments concerning the shapes, dimensions and positioning of the magnet assembly and the magnetic switch make it possible to precisely regulate the instant and progressivity of the tilting between the reluctant type of operation and the electrodynamic type operation. These adjustments must be adapted to the desired operation of the electrical apparatus comprising such an actuator.
- the invention makes it possible to obtain an optimized motor force stroke F4 with respect to the resistant force curve F1, with an electric coil control current which remains constant over the entire stroke of the actuator. which considerably reduces the complexity of the electronic control of the coil.
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Reciprocating, Oscillating Or Vibrating Motors (AREA)
- Electromagnets (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR0753517A FR2913142B1 (fr) | 2007-02-27 | 2007-02-27 | Actionneur electromagnetique hybride. |
| PCT/EP2008/051734 WO2008107273A1 (fr) | 2007-02-27 | 2008-02-13 | Actionneur electromagnetique hybride |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP2126951A1 true EP2126951A1 (fr) | 2009-12-02 |
| EP2126951B1 EP2126951B1 (fr) | 2013-12-04 |
Family
ID=38246139
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP08708951.2A Active EP2126951B1 (fr) | 2007-02-27 | 2008-02-13 | Actionneur electromagnetique hybride |
Country Status (6)
| Country | Link |
|---|---|
| EP (1) | EP2126951B1 (fr) |
| JP (1) | JP5179516B2 (fr) |
| KR (1) | KR101362009B1 (fr) |
| CN (1) | CN101622685B (fr) |
| FR (1) | FR2913142B1 (fr) |
| WO (1) | WO2008107273A1 (fr) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE202011050847U1 (de) * | 2010-10-16 | 2011-11-21 | Msm Krystall Gbr (Vertretungsberechtigte Gesellschafter: Dr. Rainer Schneider, 12165 Berlin; Arno Mecklenburg, 10999 Berlin) | Elektromagnetischer Linearaktor |
| KR20120052809A (ko) | 2010-11-16 | 2012-05-24 | 현대자동차주식회사 | 액츄에이터 |
| DE102011083282B3 (de) * | 2011-09-23 | 2013-02-21 | Siemens Aktiengesellschaft | Elektromagnetischer Antrieb |
| US9412507B2 (en) | 2014-04-01 | 2016-08-09 | The Boeing Company | Positioning system for an electromechanical actuator |
| DE102014214439A1 (de) * | 2014-07-23 | 2016-01-28 | Micro-Epsilon Messtechnik Gmbh & Co. Kg | Aktor-Sensor-Anordnung und Verfahren zur Anwendung bei einer solchen Anordnung |
| CN105321742B (zh) * | 2014-07-28 | 2019-07-09 | 苏州磁明科技有限公司 | 螺线管线性驱动器及其制作方法 |
| CN109516336B (zh) * | 2018-12-29 | 2024-09-13 | 刘英辉 | 直线驱动装置、安全钳装置及电梯系统的控制方法 |
| CN109974988A (zh) * | 2019-03-29 | 2019-07-05 | 华南理工大学 | 一种音圈作动器动特性测试装置及系统 |
| KR102230962B1 (ko) * | 2020-01-09 | 2021-03-23 | 한밭대학교 산학협력단 | 액츄에이터 |
| WO2023218529A1 (fr) * | 2022-05-10 | 2023-11-16 | 三菱電機株式会社 | Contacteur électromagnétique |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5893302A (ja) * | 1981-11-30 | 1983-06-03 | Matsushita Electric Works Ltd | 有極ソレノイド |
| JPS63133604A (ja) * | 1986-11-26 | 1988-06-06 | Matsushita Electric Works Ltd | 有極電磁石 |
| JPS6474707A (en) * | 1987-09-16 | 1989-03-20 | Matsushita Electric Works Ltd | Electromagnet device |
| JP3096155B2 (ja) * | 1992-05-20 | 2000-10-10 | 愛知電機株式会社 | ソレノイドの手動操作装置 |
| CN2627632Y (zh) * | 2003-07-22 | 2004-07-21 | 吉林永大集团有限公司 | 一种低压电磁操动永磁保持驱动机构 |
| DE202004006156U1 (de) * | 2004-04-19 | 2004-08-26 | Bürkert Werke GmbH & Co. KG | Magnetantrieb für ein Ventil |
| FR2875637B1 (fr) * | 2004-09-22 | 2006-10-27 | Schneider Electric Ind Sas | Actionneur electromagnetique bistable a serrure integree. |
| FR2877762B1 (fr) * | 2004-11-08 | 2007-07-13 | Schneider Electric Ind Sas | Actionneur electromagnetique a bobine mobile |
-
2007
- 2007-02-27 FR FR0753517A patent/FR2913142B1/fr not_active Expired - Fee Related
-
2008
- 2008-02-13 KR KR1020097018452A patent/KR101362009B1/ko active Active
- 2008-02-13 JP JP2009551161A patent/JP5179516B2/ja active Active
- 2008-02-13 EP EP08708951.2A patent/EP2126951B1/fr active Active
- 2008-02-13 WO PCT/EP2008/051734 patent/WO2008107273A1/fr not_active Ceased
- 2008-02-13 CN CN2008800064383A patent/CN101622685B/zh active Active
Non-Patent Citations (1)
| Title |
|---|
| See references of WO2008107273A1 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101622685B (zh) | 2012-03-14 |
| JP2010519776A (ja) | 2010-06-03 |
| FR2913142A1 (fr) | 2008-08-29 |
| KR101362009B1 (ko) | 2014-02-11 |
| KR20090115950A (ko) | 2009-11-10 |
| FR2913142B1 (fr) | 2009-05-08 |
| JP5179516B2 (ja) | 2013-04-10 |
| CN101622685A (zh) | 2010-01-06 |
| WO2008107273A1 (fr) | 2008-09-12 |
| EP2126951B1 (fr) | 2013-12-04 |
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