EP1583127A1 - Dispostif de commutation életctrique, relais, prise de courant et appareils électriques comportant un tel dispositif - Google Patents
Dispostif de commutation életctrique, relais, prise de courant et appareils électriques comportant un tel dispositif Download PDFInfo
- Publication number
- EP1583127A1 EP1583127A1 EP05354007A EP05354007A EP1583127A1 EP 1583127 A1 EP1583127 A1 EP 1583127A1 EP 05354007 A EP05354007 A EP 05354007A EP 05354007 A EP05354007 A EP 05354007A EP 1583127 A1 EP1583127 A1 EP 1583127A1
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- EP
- European Patent Office
- Prior art keywords
- switching device
- electrical
- magnet
- bases
- contact
- 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.)
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Images
Classifications
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- 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
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H50/00—Details of electromagnetic relays
- H01H50/64—Driving arrangements between movable part of magnetic circuit and contact
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H1/00—Contacts
- H01H1/58—Electric connections to or between contacts; Terminals
- H01H1/5822—Flexible connections between movable contact and terminal
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- 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
- H01H2051/2218—Polarised relays with rectilinearly movable armature having at least one movable permanent magnet
Definitions
- the invention relates to a switching device comprising a contact block having a fixed part connected to at least one electrical terminal and having at least one electrical contact zone that can collaborate with a zone of contact of a moving part, an actuating device allowing moving the movable part from a closed position to an open position said electrical contact areas.
- Electrom actuation means for controlling the moving one or more moving contacts relative to one or more fixed contacts, from a closed position to an open position and reciprocally.
- the actuating means comprise, in particular, coils as well as permanent magnets (EP0686989B1, EP0272164B1).
- these many devices differ among themselves in particular by their number of contacts or the number of positions of contacts according to control currents.
- These devices manufactured in large series consist of a housing enclosing the contacts as well as the actuating means. Means of connection make it possible to connect the housing with the electrical devices to order.
- a known electrical outlet includes a base 29 disposed in a space 28 of suitable size to receive said base.
- the spaces 28 are arranged in the walls or partitions present in living quarters.
- the base 29 includes two sockets 31 in which is inserted a device power socket electric. These bushings 31 are connected respectively to electrical wires of mains supply via power terminals 30. The electrical wires are held at the supply terminals 30 by fixing means 32.
- a relay placed on at least one of the box poles 41 is driven by a control module 45 receiving in particular control commands opening or closing the relay by a radio module 46.
- the relay is connected in series between at least one pin 44 and the corresponding socket 31.
- the invention therefore aims to remedy the disadvantages of the state of the technique, so as to provide a simple switching device and little cumbersome.
- An electrical switching device comprises a fixed part comprises at least two bases of magnetic material or magnetisable electrically insulated, an actuating device placed between said bases, and consisting of at least one electromagnetic coil magnetize the bases, a mobile part placed inside the device actuator comprising at least one magnet moving between two positions corresponding to a different electrical state of the device commutation, the magnet comprising at least one electrical contact zone being electrically connected to a first electrical terminal and capable of being in contact in at least one of the two stable positions with at least one of the bases having an electrical contact zone connected to a second terminal electric, the moving magnet operating a magnetic attraction with one of the two bases.
- the device for actuator comprises an electrical coil having a winding for create a magnetic field to polarize the bases with polarities magnetic opposite.
- the device for actuator comprises an electric coil having two winding sections connected in series and having opposite winding directions so that that said sections respectively create opposite magnetic fields.
- the actuating device comprises two coils coaxial electrical devices connected to create magnetic fields opposed.
- the two bases have the same polarities magnetic.
- the magnet in one of the two stable positions, has an electrical contact zone in contact with a contact zone connected to a second electrical terminal.
- the magnet in each of the two stable positions, comprises an electrical contact zone in contact with a zone of contact respectively connected to a second electrical terminal.
- the magnet operates a magnetic attraction with one of the two bases.
- the bases metal are respectively connected to two separate connection terminals.
- the magnet is electrically connected to one of the two metal bases by a flexible link.
- the magnet is electrically connected to a third electrical terminal by a flexible link.
- the moving magnet moves in one direction parallel to the longitudinal axis of the coils and inside the coils of the device actuating.
- the metal bases have studs positioned projecting on their internal faces, the pads of said bases being placed opposite and are aligned with the longitudinal axis of the coils.
- a side wall of magnetizable material extends between the two electrically insulated bases.
- a relay according to a development mode of the invention comprises minus two electrical contact terminals and at least two electrical control and includes a switching device as defined above, the coils of said device being connected to the control inputs and the bases of said device being connected to the contact terminals.
- An electrical apparatus comprises thermal triggering means and means of reset and includes a switching device as defined above associated with the thermal triggering means and the means of reset.
- the resetting means comprise a pressure button acting on the moving part of the switching device via control means.
- the thermal trigger means comprise a bimetal acting on the movable magnet via control means.
- the thermal triggering means are electrically connected to one of the electrical terminals.
- a control circuit of the actuating device of the switching as defined above sends a single order of repulsion or two consecutive command orders repulsion and attraction or two simultaneous command orders of attraction and repulsion.
- a socket according to a development mode of the invention comprises a base on which are fixed at least two sockets connected to terminals and includes a switching device as defined above connected between at least one socket and a connection terminal.
- the electrical switching device is a switching device bistable. It can take two corresponding stable operating states respectively at closed or open positions of the electrical terminals A, B.
- the switching device 1 consists of a fixed part 2 comprising a first base 22 and a second base 23.
- the two bases 22, 23 of magnetic or magnetizable material, of preferably of cylindrical form, are respectively connected to terminals of electrical connection A, B. These terminals A, B are themselves connected to a circuit electric.
- the two metal bases 22, 23 are electrically insulated one the other.
- the bases are arranged in such a way that their internal faces 24 and 25 are opposite, for example in parallel.
- the space 10 between the two bases is occupied by a actuating device 5.
- This device is constituted according to the embodiment presented by an electric coil 55 whose longitudinal axis Y is substantially perpendicular to the inner faces 24, 25 of the bases 22, 23 of the fixed part 2.
- the electric coil 55 is powered between two inputs 11 and 12 by a power source capable of sending current commands or electrical impulses.
- This pulse energy source may be constituted in particular a capacitor previously loaded.
- the inner faces 24, 25 of the bases 22, 23 are preferably placed as close as possible to the radial faces of the coil 55.
- the outside diameter of the cylindrical bases 22, 23 is advantageously at least equal to the outside diameter of the coil 55.
- said coil in order to obtain an isolation between the bases 22, 23 and the coil 55, said coil is positioned in a support 9 made of electrical insulating material and permeable to the field electromagnetic created by the coil 55 when the latter is traversed by an electric current I.
- a moving part is positioned in the space delimited by the volume located inside the coil 55 of the actuating device 5 and between the internal surfaces of the two bases 22, 23 of the fixed part 2.
- the moving part of the actuating device consists of a permanent magnet 7 connected to one of the two electrical terminals A, B by a flexible link 8.
- This link 8 has both mechanical and electrical characteristics. It allows a movement in translation of the magnet 7 in a direction parallel to the longitudinal axis Y of the coil 55 and it's used on the other hand as the electrical conductor of power between the terminals A and B.
- One of the two bases 22, 23 can have a electrical connection 85 common with the flexible link 8, for example the base 22.
- the base 22 and the link 8 may be connected to a terminal A. electric
- flexible link consists of a metal braid of generally cylindrical shape and having one of the ends 26 in conical trunk form.
- the end 26 is in contact with the inner face 24 of the base 22.
- the permanent magnet 7 is fixed on its second end 27 of the flexible link 8.
- the contact zones of the magnet may include electrical contact pads.
- Contact pellets may be made of conventional contact material including copper or silver. As shown in FIG. 14, the end 27 of braid soft metal is then soldered directly to the contact pad surrounding the magnet 7.
- the displacement of the magnet takes place over a total distance X subsequently called the total gap X.
- the North Pole the magnet is arbitrarily positioned with respect to the inner face 24 of the base 22 and the south pole of the magnet is opposite the inner face 25 of 23.
- the switching device will obviously operate according to the same principles of actuation if the permanent magnet is returned so as to that its North Pole is placed opposite with the inner face 25 of the base 23.
- the separation distance of the contact zones is set to ensure isolation distances of the product in which is used switching device 1. For example, if the device of switching 1 is intended for the control of a socket 40, the gap is at least 3 millimeters in the open position.
- the device for switching has two stable operating states.
- a first state of operation where the magnet 7 is attached to the inner face 25 of the base 23.
- second state where the magnet is then attached to the inner face 24 of the base 22.
- the device actuation 5 When the coil 55 is not powered, the device actuation 5 is then inoperative. The magnet 7 is then in a first or second position respectively attached to the base 23 or the base 22.
- the terminals A and B are electrically connected to one another via the base 22, the flexible link 8, a contact zone of the permanent magnet 7 and the base 23. switching is then closed.
- the terminals A and B are no longer electrically connected because the contact area of the magnet 7 is not in contact with the contact zone of the base 23. switching device 1 is then open.
- contact pads may be arranged on said zones of contact of the inner faces of the bases 22, 23.
- the inputs 11 and 12 of the coil 55 are respectively fed so that the current I circulating in the coil 55 produce an electromagnetic field whose lines of field, have the effect of magnetizing the bases 22 and 23.
- the base 22 temporarily becomes a North pole while the base 23 becomes a South Pole.
- the south poles of the magnet and the base 23 repel each other with a repulsion force inversely proportional to a distance X1 squared.
- the distance X1 then corresponds to the displacement distance separating the magnet 7 from the base 23.
- the distance X1 tends towards zero at the beginning of the displacement and is equal at the total air gap X at the end of the trip.
- the direction of the current I in the coil is then reversed which causes a change of direction of rotation lines of the electromagnetic field produces the coil 55.
- the polarity magnetic bases 22, 23 is also reversed, the base 22 becomes a South pole and the base 23 becomes a North Pole.
- the North pole of the permanent magnet is then attracted by the base 22.
- the attractive forces between the North and South poles respectively of the magnet and of the base 22 are directly proportional to the square of the distance the separating.
- the magnet 7 is closer to the base 22 plus the force of attraction is great.
- the device can then stop feeding the coil 55.
- the bases 22 and 23 are no longer polarized by the coil and the switching device 1 is in a new stable state. Electrical terminals A, B are no longer linked electrically and the switching device is then opened.
- FIGS. 8a and 8b show a chronological diagram of different stages of operation described above.
- a first cycle C of command orders is sent.
- a first current command or pulse C1 is sent in the coil 55.
- the switching device leaves a first stable state 70.
- the magnet 7 is pushed back from the base 23 and moves towards the second base 22.
- This displacement corresponding to an unstable state of the device, breaks down in two periods represented respectively between times f and g and between instants g and h.
- the distance X1 traveled by the magnet 7 increases thanks to the force repulsion generated by the first pulse C1 as shown in FIG. 5.
- the inertia of the magnet 7 allows it to travel a distance X1 greater than the half of the total air gap X as shown in FIG. particular embodiment of the control circuit 45, when the magnet is located in an intermediate position 71 where the distance X1 is preferably greater at half of X, a second command or pulse C2, sends into the coil a current I flowing in a contrary direction.
- a second command or pulse C2 sends into the coil a current I flowing in a contrary direction.
- the supply of the coil is of preferably cut off and the device is in a second stable state 72. This control mode, the coil 55 generates a repulsion force followed by a attraction force.
- the second current control or pulse C2 can be suppressed. So when the device is in an intermediate state 71, about at times g or n, the coil 55 is no longer powered. The magnet 7 will then continue its displacement under the effect of the forces of inertia to finally come into contact with the second base. In this case, the control of the coil only generates forces of repulsion causing the displacement of the magnet 7. At the end of the race, the attraction of the magnet 7 on the bases of magnetic or magnetizable materials is produced without the action of the coil.
- the device as represented in FIGS. 3 to 7 is particularly intended for electric remote switches.
- studs 13 are arranged projecting on the internal faces of the bases 22 and 23.
- This structure makes it possible to reduce the length of the permanent magnet while keeping the same length of the total air gap X. This makes it possible in particular to reduce the costs of the permanent magnet 7.
- a side wall made of magnetizable material 60 extends between the two bases 22, 23.
- an insulating portion 9 is interposed between the bases.
- the device 5 comprises a coil 55 whose winding is made in two sections 56, 57.
- the winding of the wire on the first section 56 is in a first direction of rotation and the winding of the wire on the second section 57 is in a second direction of rotation contrary to the first.
- the lengths of the two windings are substantially equal.
- the mode of operation of the device is then the following. Chronologically, like this is represented in FIGS. 13a and 13b, at an instant e, before sending an order control device 5, said device is located in a first stable state 70.
- a first command order C1 is sent to the coil 55 via the inputs 11, 12.
- the fields local electromagnetic waves created by the two winding sections 56, 57 of the coil 55 can magnetize the bases 22 and 23 with poles identical magnetic Indeed, the two sections of windings create respectively local magnetic fields whose field lines 62, 63 turn in opposite directions.
- the base 22 as well as the base 23 become South poles.
- a repulsion force is generated between the South pole of the magnet 7 and the south pole of the base 23. This force tends to repel the magnet which is in contact with the inner face 25 of the base 23 in the direction 14.
- a force of attraction is generated between the North Pole of magnet 7 and the pole South of the base 22. This force tends to attract the magnet towards the base 22.
- the switching device 1 then leaves the first stable state 70.
- the magnet 7 pushed back from the first base, begins to move in direction of the second base. This displacement, corresponding to a state unstable device, between times f and h1.
- the terminals A, B are then open and the device is in a steady state open 72. Then, at time h2, the coil supply can be then cut and the bases are no longer polarized by said coil.
- the duration of the pulse C1 between the instants f and h2 is then advantageously greater than the duration of the total stroke of the magnet 7 moving from the first base to the second base.
- a second control command C2 is sent at a time m.
- the sense of the electric current I flowing in the coil 55 is then reversed as this is shown in Figure 12.
- the North Pole of the magnet which is in contact with the inner face of the base 22 is pushed back along the direction 14.
- the magnet 7 is attracted by the base 23.
- the terminals A, B are at again in closed position. Then, the supply of the coil 55 can then be cut at the instant 02 and the bases 22, 23 are no longer polarized by said coil.
- FIGS 15 to 18 show embodiments of the switching device 1 for use in a socket 29 of a socket current 40.
- the bases 22, 23 of the switching device 1 comprise then respectively a bushing 31 and a power supply terminal 30.
- the terminals supply 30 comprise means 32 for securing the cables or wires Power.
- an alternative embodiment of the device actuator 5 comprises two adjacent and connected coils 58, 59 electrically.
- the winding of the winding wire of these two coils 58, 59 generate opposite magnetic fields.
- the lengths of the two windings are substantially equal.
- Electrical inputs 11, 12 of the actuating device are respectively connected to the coils 58 and 59.
- the operation of this variant is similar to that of the first preferential mode as shown in Figures 10 to 12 and described above.
- the actuating device 5 comprises two coils 58, 59 adjacent and electrically independent.
- the coils 58, 59 are respectively electrically powered between inputs 11a, 12a and 11b, 12b.
- the winding direction of the winding wire of the two coils 58, 59 as well as the choice of electrical polarity of the inputs 11a, 11b, 12a and 12b allows to move the magnet 7 of the base 22 to the base 23 and vice versa.
- the winding directions of the wire coils of the two coils 58, 59 are opposite and the lengths of the two windings are substantially equal.
- the device is in a first stable state 70, terminals A and B are in the open position. To go from the open position to a closed position, the operating mode of the device is then the next.
- a first command order or pulse C11 is sent to the coil 58, the terminals 11a and 12a are then fed respectively negatively and positively.
- the electric current I flowing in the coil 58 generates a local magnetic field. This field allows to magnetize the pad 13 of the base 22.
- the stud of the base 22 then becomes a pole North.
- the base 23 has no magnetic polarity.
- a repulsion force is generated between the North Pole of the magnet and the North pole of the base 22. This force tends to repel the magnet which is located in contact with the inner face 24 of the base 22.
- the magnet is subjected to a electromagnetic force that tends to move it in the direction of movement 14.
- the magnet After moving between the two bases, the magnet is positioned on the base 23, the terminals A, B are then closed. The power of the coils can then be cut, the magnetic pole of the base 22 disappears. The device is in a closed stable state 72 with the magnet in contact with the base 23.
- a second control command C22 is sent to the second coil 59 as shown in Fig. 19B.
- the terminals 11b and 12b are respectively powered positively and negatively.
- the electric current I flowing in the coil 59 generates a local magnetic field. Said field makes it possible to magnetize the pad 13 of In the embodiment example, as shown in FIG. stud of the base 23 then becomes a South pole.
- the base 22 has no polarity magnetic.
- a repulsion force is generated between the south pole of the magnet and the south pole of the base 23. This force tends to repel the magnet which is in contact with the inner face 25 of the base 23.
- the magnet is subjected to a force electromagnetic which tends to move it in the direction of travel 14.
- the magnet After moving between the two bases, the magnet is positioned on the base 22, the terminals A, B are then open. The power of the coils can then be cut, the magnetic pole of the base 23 disappears. The device is in an open stable state 70 with the magnet in contact with the base 22.
- the flexible link 8 is connected to a third electrical terminal C separate from terminals A and B.
- An electrical insulator additional 99 is then used to separate the flexible link 8 from the base 22 on which the link was previously fixed.
- the magnet then has two zones electrical contact that can collaborate respectively with the two bases 22, 23.
- the displacement of the movable part 2, in particular of the magnet 7 of a first stable position at a second stable position allows to connect successively the terminals A and C then the terminals C and B.
- the electrical terminals are soldered on a plate of circuit board 101 serving to support a cover 100 enclosing the device of switching 1 said inverter.
- the devices as shown in FIGS. 10 to 20 are particularly intended for so-called bistable electrical relays.
- an electrical appliance comprises a switching device 1 and thermal trigger means 73 as well as means for rearming 80.
- the thermal trigger means 73 make it possible to open terminals A and B in case of electrical overload of switching device 1. They include a bimetal 75 associated with a control shaft 76.
- bimetallic strip 75 can be connected directly to one of the electrical terminals B of the switching device 1.
- the bimetal 75 may not be electrical contact with the electrical terminals A, B.
- a winding 81 surrounding the bimetal 75 is then connected directly to one of the electrical terminals B.
- the control shaft 76 is an electrical insulator. A first end of said axis is permanently connected to bimetal 75.
- the axis longitudinal axis of the control axis 76 is preferably merged with the axis longitudinal Y of the coils 58, 59.
- the control shaft 76 is mounted sliding through one of the bases, preferably the base 23.
- a passage of an excessive electric current inside the bimetallic strip 75 or inside the coil 81 causes a heating of said bimetal and therefore its deformation.
- This deformation of bimetallic strip 75 is transmitted to the axis of command 76 via its first end and causes a movement in translation of said axis 76 in a direction parallel to the longitudinal axis Y of coils 58, 59.
- the second end of said axis may be in contact with said magnet.
- the mechanical resetting means 80 make it possible to close terminals A and B manually when the magnet is on the base 22.
- mechanical resetting means 80 include a press button 77 acting on a second control axis 79 via means elastic members 78.
- a first end of the second control axis 79 is connected permanently to the elastic means 78.
- the longitudinal axis of the axis of control 79 is preferably coincident with the longitudinal axis Y of the coils 58, 59.
- the control shaft 79 is slidably mounted through one of the bases, preferably the base 22.
- An action on the pressure button 77 is transmitted to the control pin 79 via its first end and causes a translational movement of said axis 79 in a direction parallel to the axis longitudinal Y of the coils 58, 59.
- FIG. 21 represents the device in stable position of operation. Terminals A and B are then closed, bimetal 75 has not suffered deformation due to any heating.
- bimetal 75 When the device is subjected to an electrical overload, bimetal 75 is deformed as shown in FIG. 22. This deformation of the bimetal 75 then tends to move the control pin 76 to the magnet 7. increasing detachment force FB then applies to the magnet 7 by via the control axis 76. This force FB tends to oppose the magnetic attraction force FA of the magnet on the first base 23. The force FA directly depends on the intrinsic characteristics of the magnet 7.
- the force of separation FB is much lower than the force of attraction magnetic FA.
- the strength FB increases. Beyond a certain deformation, the intensity of the force FB becomes very greater than the force FA and causes a sudden detachment of the magnet 7 from the first base 22. As shown in Figure 23, the magnet 7 is going to paste on the second base 22. The switching device 1 is then open.
- the rearming of the device can be done through two types of means.
- the means elastic members 78 When the pressure button 77 is depressed, the means elastic members 78 having undergone deformation exert a compression force FP on the second control axis 79. This compression force FP then acts directly on the magnet 7 which is on the base 22 and tends to take off from the latter.
- the stiffness of the elastic means 78 is calibrated so as to to be able to take off the magnet 7 from the base 22 when the force FB exerted on the magnet 7 by the first transmission axis 76 is minimal. In other words, if the bilame 75 has not returned to its original form and still exerts an FB force on the magnet 7 via the control pin 76, the mechanical resetting means 80 are inoperative.
- the bimetallic strip 75 will cool down and return to its original shape.
- the FB detachment force tends to zero.
- This type of device then comprises two types of rearming.
- the switching device 1 also keeps its functions remote opening and closing command initials.
- the command electrical coils 58 and 59 can be made remotely while the means resetting mechanisms 80 are preferably controlled by a operator located next to the device.
- an electrical apparatus comprises a switching device 1 and thermal triggering means.
- This type of device is particularly intended to be used as a thermal breaker or as an electric thermostat.
- the thermal triggering means 82 allow to open terminals A and B in case of temperature increase environment in which the device is located.
- the thermal means of trigger 82 are associated with a control axis 76.
- the deformation of the thermal trigger means 82 due to an increase in temperature causes a displacement of the axis control 76 which acts on the moving part, in particular the magnet 7 of the device switching 1.
- Figures 28 and 29 show alternative embodiments of a control module 45 of the actuating device 5.
- the control module 45 is particularly intended to control switching devices according to Figures 10 to 12. It comprises a circuit 88 composed of four power transistors 91 mounted in known manner in H. The coils 56, 57 are connected to said transistors. The transistors 91 are controlled via a control circuit 87 powered by a source 86 and receiving control commands of a reception module 46.
- control module 45 is particularly intended to control switching devices according to Figures 16 to 18. It comprises a circuit 88 composed of two power transistors 91 connected respectively to the coils 58 and 59. The transistors are controlled via a control circuit 87 powered by a source 86 and receiving these control commands from a receiving module 46.
- the switching device 1 may be intended for the control of power outlets 40.
- FIG. 2 shows an electrical outlet in which has been placed a switching device 1 according to the embodiments of the invention. Said switching device 1 is placed respectively between sockets 31 and the power supply terminals 30 and thus allows cutting simultaneously or separately the two electrical poles of the socket 40.
- External orders of electrical control of the devices of switching may be received in particular by receiving modules 46 connected to the control module 45. External orders may also be transmitted by other means such as carrier currents.
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- Electromagnetism (AREA)
- Relay Circuits (AREA)
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- Switch Cases, Indication, And Locking (AREA)
- Connections Arranged To Contact A Plurality Of Conductors (AREA)
Abstract
Description
- La figure 1 est une vue en coupe schématique d'une prise de courant comportant un dispositif de commutation de type connu ;
- la figure 2 est une vue en coupe schématique d'une prise de courant comportant un dispositif de commutation selon un mode de réalisation de l'invention ;
- la figure 3 représente une vue en coupe d'un dispositif de commutation selon une mode de réalisation de l'invention ;
- les figures 4 à 7 représentent le dispositif selon la figure 1 dans différents états de fonctionnement ;
- la figure 8a représente une courbe représentative du signal de commande du dispositif de commutation selon les figures 3 à 7 ;
- la figure 8b représente une courbe représentative du déplacement du dispositif de commutation selon les figures 3 à 7 ;
- la figure 9 représente une vue en coupe d'une première variante de réalisation du dispositif selon la figure 1 ;
- les figures 10 à 12 représentent des vues en coupe d'un premier mode de réalisation préférentiel du dispositif selon la figure 1 ;
- la figure 13a représente une courbe représentative du signal de commande du dispositif de commutation selon les figures 10 à 12 ;
- la figure 13b représente une courbe représentative du déplacement du dispositif de commutation selon les figures 10 à 12 ;
- la figure 14 représente une vue détaillée de la partie mobile du dispositif selon un mode de réalisation de l'invention ;
- la figure 15 représente une vue en coupe d'une variante de réalisation du dispositif selon la figure 1 ;
- les figures 16 à 18 représentent des vues en coupe d'un second mode de réalisation préférentiel du dispositif selon la figure 1.
- les figures 19a et 19b représentent des courbes représentatives des signaux de commande du dispositif de commutation selon les figures 16 à 18 ;
- la figure 19c représente une courbe représentative du déplacement du dispositif de commutation selon les figures 16 à 18 ;
- la figure 20 représente une vue en coupe d'un relais comprenant un dispositif de commutation selon un mode de réalisation de l'invention ;
- la figure 21 représente une vue en coupe d'un appareil comprenant un dispositif de commutation selon un mode de réalisation de l'invention et des moyens de déclenchement thermiques ;
- les figures 22 à 25 représentent l'appareil selon la figure 21 dans différents états de fonctionnement ;
- les figures 26 et 27 représentent des variantes de réalisation de l'appareil selon la figure 21 ;
- les figures 28 et 29 représentent des variantes de réalisation du module de commande du dispositif de commutation selon une mode de réalisation de l'invention.
Claims (21)
- Dispositif de commutation (1) comprenant un bloc de contact ayant une partie fixe reliée à au moins une borne électrique et ayant au moins une zone de contact électrique pouvant être en contact avec une zone de contact d'une partie mobile, un dispositif d'actionnement (5) permettant de déplacer la partie mobile d'une position de fermeture à une position d'ouverture desdites zones de contact électrique, caractérisé en ce :la partie fixe comprend au moins deux embases en matériau magnétique ou magnétisable (22, 23) isolées électriquement ;le dispositif d'actionnement (5) placé entre lesdites embases, est constitué d'au moins une bobine électromagnétique (55, 58, 59) pouvant magnétiser les embases (22, 23) ;la partie mobile placé à l'intérieur du dispositif d'actionnement (5) comporte au moins un aimant (7) se déplaçant entre deux positions stables correspondant respectivement à un état électrique distinct du dispositif de commutation (1), l'aimant (7) comportant au moins une zone de contact électrique étant reliée électriquement à une première borne électrique (A, C) et pouvant être en contact électrique dans au moins une des deux positions stables avec au moins une des embases (22, 23) comportant une zone de contact électrique reliée à une seconde borne électrique (A, B), l'aimant mobile (7) opérant une attraction magnétique avec une des deux embases (22, 23).
- Dispositif de commutation selon la revendication 1 caractérisé en ce que le dispositif de d'actionnement (5) comprend une bobine électrique (55) ayant un bobinage destiné à créer un champ magnétique (62, 63) pour polariser les embases (22, 23) avec des polarités magnétiques opposées.
- Dispositif de commutation selon la revendication 1 caractérisé en ce que le dispositif de d'actionnement comprend une bobine électrique (55) ayant deux tronçons de bobinage (56, 57) connectées en série et ayant des sens de bobinage contraires de manière à ce que lesdits tronçons créent respectivement des champs magnétiques opposés (62, 63).
- Dispositif de commutation selon la revendication 1 caractérisé en ce que le dispositif d'actionnement (5) comprend deux bobines électriques (58, 59) coaxiales connectées de manière à créer des champs magnétiques opposés (62, 63).
- Dispositif de commutation selon les revendications 3 ou 4 caractérisé en ce que les embases (22, 23) ont les mêmes polarités magnétiques.
- Dispositif de commutation selon l'une quelconque des revendications précédentes caractérisé en ce dans une des deux positions stables, l'aimant (7) comporte une zone de contact électrique en contact avec une zone de contact reliée à une seconde borne électrique (B).
- Dispositif de commutation selon l'une quelconque des revendications précédentes caractérisé en ce dans chacune des deux positions stables, l'aimant (7) comporte une zone de contact électrique en contact avec une zone de contact reliée respectivement à une seconde borne électrique (A, B).
- Dispositif de commutation selon l'une quelconque des revendications précédentes caractérisé en ce que, respectivement à chaque position stable, l'aimant (7) opère une attraction magnétique avec une des deux embases (22, 23).
- Dispositif de commutation selon la revendication 8, caractérisé en ce les embases métalliques (22, 23) sont reliées respectivement à deux bornes de connexion (A, B) distinctes,
- Dispositif de commutation selon la revendication 9, caractérisé en ce l'aimant (7) est relié électriquement à une des deux embases métalliques (22, 23) par un lien souple (8).
- Dispositif de commutation selon la revendication 9, caractérisé en ce l'aimant (7) est relié électriquement à une troisième borne électrique (C) par un lien souple (8).
- Dispositif de commutation selon l'une quelconque des revendications précédentes caractérisé en ce que l'aimant mobile se déplace selon une direction parallèle à l'axe longitudinal (Y) des bobines (55, 58, 59) et à l'intérieur des bobines (55, 58, 59) du dispositif d'actionnement (5).
- Dispositif de commutation selon l'une quelconque des revendications précédentes, caractérisé en ce les embases métalliques (22, 23) possèdent des plots (13) positionnés en saillie sur leurs faces internes (24, 25), les plots (13) desdites embases étant placés en vis à vis et sont alignés avec l'axe longitudinal (Y) des bobines (55, 58, 59).
- Dispositif de commutation selon l'une quelconque des revendications précédentes, caractérisé en ce qu'une paroi latérale en matériau magnétisable 60 s'étend entre les deux embases (22, 23) isolées électriquement.
- Relais comportant au moins deux bornes de contact électriques (A, B, C) et au moins deux entrées de commande électrique (11, 12, 11a, 12b) caractérisé en ce qu'il comporte un dispositif de commutation (1) selon les revendications précédentes, les bobines (55, 58, 59) dudit dispositif étant connectées aux entrées de commande (11, 12, 11a, 12b) et les embases (22, 23) dudit dispositif étant connectées aux bornes de contact (A, B).
- Appareil électrique comportant des moyens thermiques de déclenchement (73) et des moyens de réarmement (80) caractérisé en ce qu'il comporte un dispositif de commutation (1) selon l'une quelconque des revendications 1 à 14 associé aux moyens thermiques de déclenchement (73) et aux moyens de réarmement (80).
- Appareil électrique selon la revendication 16, caractérisé en ce que les moyens de réarmement (80) comportent un bouton de pression (77) agissant sur la partie mobile du dispositif de commutation (1) via des moyens de commande (79).
- Appareil électrique selon la revendication 16, caractérisé en ce que les moyens thermiques de déclenchement (73) comportent un bilame (75) agissant sur l'aimant mobile (7) via des moyens de commande (76).
- Appareil électrique selon la revendication 16, caractérisé en ce que les moyens thermiques de déclenchement (73) sont reliés électriquement à une des bornes électriques (B).
- Prise de courant (40) comportant un socle (29) sur lequel sont fixées au moins deux douilles (31) reliées à des bornes de connexion (A, B) caractérisé en ce qu'il comporte un dispositif de commutation (1) selon l'une quelconque des revendications 1 à 14 connecté entre au moins une douille (31) et une borne de connexion (30)
- Prise de courant (40) selon la revendication 20 caractérisé en ce qu'elle comprend un module de commande (45) relié aux entrées de commande (11, 12) du dispositif d'actionnement (5) du dispositif de commutation (1), le module de commande (45) envoyant un ordre unique de commande de répulsion ou deux ordres de commande consécutifs de répulsion et d'attraction ou deux ordres de commande simultanés d'attraction et de répulsion.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0403433A FR2868595B1 (fr) | 2004-04-01 | 2004-04-01 | Dispositif de commutation electrique, relais, prise de courant et appareils electriques comportant un tel dispositif |
FR0403433 | 2004-04-01 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1583127A1 true EP1583127A1 (fr) | 2005-10-05 |
EP1583127B1 EP1583127B1 (fr) | 2010-01-06 |
Family
ID=34878481
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP05354007A Active EP1583127B1 (fr) | 2004-04-01 | 2005-02-10 | Dispostif de commutation életctrique, relais, prise de courant et appareils électriques comportant un tel dispositif |
Country Status (7)
Country | Link |
---|---|
US (1) | US7283027B2 (fr) |
EP (1) | EP1583127B1 (fr) |
CN (1) | CN100573770C (fr) |
AT (1) | ATE454704T1 (fr) |
AU (1) | AU2005201590B2 (fr) |
DE (1) | DE602005018705D1 (fr) |
FR (1) | FR2868595B1 (fr) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7936242B2 (en) * | 2007-09-14 | 2011-05-03 | William N Carpenter | Magnetically operated electrical switch |
US8861167B2 (en) | 2011-05-12 | 2014-10-14 | Global Plasma Solutions, Llc | Bipolar ionization device |
EP2551871A1 (fr) * | 2011-07-29 | 2013-01-30 | ABB Technology AG | Disque à contact à bande tressée |
GB2503989A (en) * | 2012-05-31 | 2014-01-15 | Art Sea Ind Company Ltd | A thermostat having a bi-metallic element |
DE102012107281B4 (de) * | 2012-08-08 | 2014-03-06 | Eto Magnetic Gmbh | Bistabile elektromagnetische Stellvorrichtung, Ankerbaugruppe sowie Nockenwellenverstellvorrichtung |
CN103337425A (zh) * | 2013-05-28 | 2013-10-02 | 宁波市镇海怡福莱文化创意有限公司 | 一种电磁直驱保护器 |
US10372021B2 (en) | 2014-12-31 | 2019-08-06 | Anthony S Lenzo | Triple axis magnetic actuator through non-metallic substrate |
CN108515937A (zh) * | 2017-02-28 | 2018-09-11 | 刘书林 | 带遥控式车用隐形防盗器的车用电动油泵 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3470505A (en) * | 1966-10-21 | 1969-09-30 | Int Standard Electric Corp | Bistable diaphragm relay |
US4782315A (en) * | 1986-11-19 | 1988-11-01 | La Telemecanique Electrique | Bistable polarized electromagnet |
US5272458A (en) * | 1988-07-28 | 1993-12-21 | H-U Development Corporation | Solenoid actuator |
US5883557A (en) * | 1997-10-31 | 1999-03-16 | General Motors Corporation | Magnetically latching solenoid apparatus |
US6414577B1 (en) * | 2000-02-14 | 2002-07-02 | Jerzy Hoffman | Core with coils and permanent magnet for switching DC relays, RF microwave switches, and other switching applications |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH279079A (de) * | 1948-09-17 | 1951-11-15 | Fkg Ag | Elektrische Schalteinrichtung. |
US2859297A (en) * | 1954-10-28 | 1958-11-04 | Boeing Co | Magnetically self-returning ball armature relays |
DE3942542A1 (de) * | 1989-12-22 | 1991-06-27 | Lungu Cornelius | Bistabiler magnetantrieb mit permanentmagnetischem hubanker |
FR2792108B1 (fr) * | 1999-04-12 | 2001-05-04 | Schneider Electric Sa | Electroaimant a courant continu |
US7138894B2 (en) * | 2005-01-25 | 2006-11-21 | Mei-Ling Lo | Electromagnetic breaker |
-
2004
- 2004-04-01 FR FR0403433A patent/FR2868595B1/fr not_active Expired - Fee Related
-
2005
- 2005-02-10 EP EP05354007A patent/EP1583127B1/fr active Active
- 2005-02-10 AT AT05354007T patent/ATE454704T1/de not_active IP Right Cessation
- 2005-02-10 DE DE602005018705T patent/DE602005018705D1/de not_active Expired - Fee Related
- 2005-03-17 US US11/081,756 patent/US7283027B2/en not_active Expired - Fee Related
- 2005-03-30 CN CNB2005100639406A patent/CN100573770C/zh active Active
- 2005-03-31 AU AU2005201590A patent/AU2005201590B2/en active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3470505A (en) * | 1966-10-21 | 1969-09-30 | Int Standard Electric Corp | Bistable diaphragm relay |
US4782315A (en) * | 1986-11-19 | 1988-11-01 | La Telemecanique Electrique | Bistable polarized electromagnet |
US5272458A (en) * | 1988-07-28 | 1993-12-21 | H-U Development Corporation | Solenoid actuator |
US5883557A (en) * | 1997-10-31 | 1999-03-16 | General Motors Corporation | Magnetically latching solenoid apparatus |
US6414577B1 (en) * | 2000-02-14 | 2002-07-02 | Jerzy Hoffman | Core with coils and permanent magnet for switching DC relays, RF microwave switches, and other switching applications |
Also Published As
Publication number | Publication date |
---|---|
AU2005201590B2 (en) | 2009-07-23 |
ATE454704T1 (de) | 2010-01-15 |
FR2868595B1 (fr) | 2013-10-18 |
EP1583127B1 (fr) | 2010-01-06 |
US20050219022A1 (en) | 2005-10-06 |
DE602005018705D1 (de) | 2010-02-25 |
US7283027B2 (en) | 2007-10-16 |
AU2005201590A1 (en) | 2005-10-20 |
CN1677602A (zh) | 2005-10-05 |
CN100573770C (zh) | 2009-12-23 |
FR2868595A1 (fr) | 2005-10-07 |
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