EP3815119A1 - Dispositif de commande manuelle pour un inverseur de source man?uvre a distance - Google Patents
Dispositif de commande manuelle pour un inverseur de source man?uvre a distanceInfo
- Publication number
- EP3815119A1 EP3815119A1 EP19752539.7A EP19752539A EP3815119A1 EP 3815119 A1 EP3815119 A1 EP 3815119A1 EP 19752539 A EP19752539 A EP 19752539A EP 3815119 A1 EP3815119 A1 EP 3815119A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- rotation element
- control device
- cover
- contacts
- electrical
- 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
- 230000005540 biological transmission Effects 0.000 claims description 4
- 230000006835 compression Effects 0.000 description 8
- 238000007906 compression Methods 0.000 description 8
- 230000007935 neutral effect Effects 0.000 description 4
- 238000007789 sealing Methods 0.000 description 3
- 230000001419 dependent effect Effects 0.000 description 2
- 230000003213 activating effect Effects 0.000 description 1
- 230000006837 decompression Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000009347 mechanical transmission Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 210000002105 tongue Anatomy 0.000 description 1
- 230000002747 voluntary effect Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H3/00—Mechanisms for operating contacts
- H01H3/22—Power arrangements internal to the switch for operating the driving mechanism
- H01H3/30—Power arrangements internal to the switch for operating the driving mechanism using spring motor
- H01H3/3005—Charging means
- H01H3/3021—Charging means using unidirectional coupling
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H19/00—Switches operated by an operating part which is rotatable about a longitudinal axis thereof and which is acted upon directly by a solid body external to the switch, e.g. by a hand
- H01H19/54—Switches operated by an operating part which is rotatable about a longitudinal axis thereof and which is acted upon directly by a solid body external to the switch, e.g. by a hand the operating part having at least five or an unspecified number of operative positions
- H01H19/60—Angularly-movable actuating part carrying no contacts
- H01H19/62—Contacts actuated by radial cams
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H3/00—Mechanisms for operating contacts
- H01H3/22—Power arrangements internal to the switch for operating the driving mechanism
- H01H3/30—Power arrangements internal to the switch for operating the driving mechanism using spring motor
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/02—Bases, casings, or covers
- H01H9/0264—Protective covers for terminals
Definitions
- the invention relates to low voltage electrical equipment and more particularly automatic switches comprising a manual control of opening and / or closing of the contacts for maintenance.
- the invention relates more particularly to the manual control of opening and / or closing of the contacts in an electrical device and its operation with respect to the automatic control.
- a device for controlling the opening and / or closing of the contacts in an electrical appliance comprising a control crank hingedly connected to a frame and driven in rotation by a control member between a first position corresponding to a closed position of the contacts and a second position corresponding to an open position of the contacts.
- the device further comprises a compression spring connected in an articulated manner by a first of its ends to the control crank, and mechanically connected to the movable contact by a second end opposite the first.
- the device further comprises a connecting rod hingedly connected by a first of its ends to the crank and mechanically connected to the movable contact by a second end opposite the first.
- the spring is configured to be compressed, by its first end, by the crank, to a so-called neutral shift position from which the spring becomes motor and acts, during its decompression, on the movable contact and the control crank to move the movable contact.
- the control of such a device is carried out by a single operation.
- the device allows the camshaft to be driven independently via the connecting rod under the effect of the operating spring, once the operating lever has passed the neutral line. This operation is activated both during a closing operation and during an opening operation of the device.
- the device described in the above document is complex and includes a large number of parts which generate significant bulk, in particular in an axial direction defined by the axis of rotation of the operating crank.
- the invention aims to overcome the drawbacks mentioned above by proposing a device for controlling the switching of the contacts in an electrical appliance, the device having a reduced bulk and making it possible in all circumstances to switch from an automatic control to a manual control. with a speed of operation of the handle completely independent of the speed of the contacts.
- the invention also aims to provide such a device which also allows the contacts to be forced in the event of the latter being welded.
- a device for controlling the switching of the contacts in an electrical appliance comprising a housing inside of which a control lever is mounted in pivot connection with the housing and configured to be moved in rotation between a first position corresponding to a position in which the contacts are closed on a primary supply and a second position corresponding to a position in which the contacts are closed on a secondary supply, a rotation element connected to the lever by an intermediate shaft, an actuating shaft mechanically connected to the rotation element and to electrical contacts and configured to pivot between a first and a second position for tilting the electrical contacts, the housing further comprising a slot traversed by the lever to allow its actuation from outside the housing in the operating mode manual operation of the device
- the device for controlling the switching of the contacts further comprises a torsion spring comprising a first end cooperating with the control lever and a second end cooperating with the rotation element, and a first pawl and a second pawl mounted in scissors via a torsion spring, the first pawl cooperating, in a manual operating mode of the device, with a first stop of the rotation element in a first position of the rotation element and with a first cam path of the control lever to disengage the first pawl from the first stop and release the rotary element, and the second pawl cooperating, in a manual operating mode of the device, with a second stop of the rotation element in a second position of the rotation element and with a second cam path of the control lever for releasing the second pawl from the second stop and releasing the rotation element.
- a torsion spring comprising a first end cooperating with the control lever and a second end cooperating with the rotation element, and a first pawl and a second pawl mounted in scissors via a torsion
- the control device thus makes it possible to have a rapid movement of the contacts independent of the speed of actuation of the control lever with a minimum of parts and thus reducing the size.
- the housing can comprise a cover movable between an open position and a closed position, the cover being configured to, in the closed position, prevent access to the control lever and disengage the first and second pawls of the rotation element to prevent any cooperation between the pair of pawls and the rotation element and allow the device to operate in an automatic mode, and to, in the open position, engage the first and second pawls at the contact the rotation element and allow the device to operate in manual mode.
- the cover prevents any involuntary mechanical interaction between the external environment and the control lever.
- the shape of the cover makes it possible to engage the pawls in the rotation element when the cover is opened and thus allow automation of the passage of the device in manual mode when the cover is opened.
- the cover may be transparent so as to be able to visually check the state in which the control device is located, and thus the state in which the contacts are located, know open or closed.
- the device may further comprise at least one switch cooperating mechanically with the cover to activate or cut off the electrical supply to the control device allowing it to operate in the automatic mode and / or to activate or deactivate the transmission of information relating to food control device for its operation in automatic mode.
- the combination of the shape of the cover and the presence of the switch makes it possible to automate the passage of the device in automatic mode when the cover is closed by disengaging the pawls and by activating the power supply to the control device.
- the cover can be held in the closed position by a removable screw using a screwdriver.
- Closing the cover with a removable screw makes it possible to prevent access to the control lever to a user without a tool and thus limit unwanted actuations of the control lever.
- the cover may include an orifice cooperating with a housing housing allowing the sealing, or sealing, of the cover, that is to say a permanent closure of the cover to prevent access.
- the housing may further comprise an additional slot disposed opposite an actuator directly engaged on the actuating shaft and allowing manual forcing of the opening or closing the contacts, and an inner cover mounted in translation between a rest position where the inner cover covers the additional slot and a working position where the inner cover frees access to the additional slot.
- the internal cover in translation makes it possible to hide access to the actuator to thereby prevent involuntary forcing of the contacts.
- the inner cover includes an internal extension disposed between the housing and the conforming pawls to disengage the pawls from the rotation element when the cover is positioned in a position in which the additional slot is accessible, and to engage the pawls on the rotating member when the cover is in a position in which the additional slot is inaccessible.
- the housing may further comprise elastic means making it possible to return the inner cover to its rest position after switching to the working position.
- the elastic means thus makes it possible to maintain a default configuration of the control device in which it cannot be accessed to the contact forcing actuator without a voluntary action being carried out and maintained to free access to the slot. access and allow the introduction of a tool into the slot for actuating the actuator.
- the cover can cover, in the closed position, the interior cover, preventing any manual access to the additional slot.
- the device may further comprise an ergonomic handle fixed to a free end of the control lever.
- FIG. 1 illustrates a top view of an electrical switching system
- FIG. 2 shows an exploded perspective view of a control device of the electrical switching system of Figure 1 on which the outer cover has been removed;
- FIG. 3 shows an exploded view of the different actuators of the control device of Figure 2;
- FIG. 6 and 7 each show a partial view of the representation of Figure 4 respectively in a direction of the axial direction and the opposite direction of the axial direction;
- FIG. 8A shows a partial top view of the control device according to an embodiment of the invention
- FIG. 8B shows a sectional view along plane B of the control device according to an embodiment of the invention.
- FIG. 9 shows a partial view of the outer cover 5 of the control device according to an embodiment of the invention.
- Figure 1 is illustrated a top view of an electrical switching device 1 according to an embodiment of the invention.
- the electrical switching device 1 comprises a part 2 intended for making electrical connections with external electrical devices via electrical contacts which can be moved between a first position in which the circuit is closed on a primary supply and a second position in which the circuit is closed on a secondary power supply, and a control device 3 for switching the electrical contacts.
- FIG 2 is shown an exploded perspective view of the control device 3 of the electrical switching device 1 of Figure 1.
- the control device 3 comprises a housing 4 on which is mounted an outer cover 5 transparent capable of pivoting around an axis 6 fixed to the housing 4.
- the outer cover 5 is held on the housing 4 in the closed position using a screw 7 screwed into a threaded orifice 70 of the housing 4 through an orifice 57 provided in the outer cover 5.
- the outer cover 5 further comprises an orifice 8 cooperating with an orifice 84 provided in the housing 4 for sealing the external cover 5 on the housing 4, that is to say for putting a device making it possible to control that the cover does not has not been opened in the meantime, the device could be a sealed link.
- the housing 4 comprises a lower part 4a and an upper part 4b.
- a control lever 10 in pivot connection with the housing 4, a rotation element 11 mechanically connected to the control lever 10 by an intermediate mechanical transmission shaft 12 illustrated in FIG. 3 which represents a exploded view of the different actuators of the control device of FIG. 2, and an actuating shaft 13 mechanically connected to the rotation element 11, on the one hand, and to electrical contacts, on the other hand.
- the actuation shaft 13 defines an axial direction D A in which the shaft extends, and a radial direction DR extending in a plane orthogonal to the axial direction D A.
- the upper part 4b of the housing 4 comprises a first slot 9 through which the control lever 10 passes to allow its actuation by a user from outside the housing 4 in the manual operating mode of the control device.
- the control lever 10 comprises a main circular portion 10a and an extension 10b s 'extending radially projecting outwards from the main portion 10a.
- the extension 10b of the control lever 10 includes a free end 10c on which is mounted an ergonomic handle 101 for actuation of the lever by a user.
- the control lever 10 is configured to be rotated between a first position corresponding to the position where the circuit is closed on a primary supply and a second position corresponding to the position where the circuit is closed on a secondary supply.
- the rotation element 11 is centered on the same axis of rotation as that of the control lever 10, the axis of rotation being materialized by the intermediate shaft 12.
- the actuation shaft 13 is offset relative to the axis of rotation of the control lever 10 and of the rotation element 11.
- the intermediate shaft 12 and the actuation shaft 13 are therefore not coaxial but extend in the axial direction D A.
- the actuation shaft 13 is configured to pivot between a first and a second position to switch the electrical contacts.
- the actuation shaft 13 is pivotally driven by means of an actuator 14 mounted on the actuating shaft 13 and extending radially with respect to the actuating axis 13, and a lug 15 mounted on the rotation element 11 and extending in the axial direction D A to the opposite the control lever 10, that is to say towards the actuator 14.
- the actuator 14 comprises a slot 16 receiving the lug 15 and inside which the lug 15 slides as a function of the position of the rotation element 11.
- the pin 15 is positioned outside the axis of rotation 13 of the rotation element 6.
- the pin 15 moves with the rotation element 11 between two positions corresponding respectively to the first position of the contacts and the second position of the contacts by describing a arc of a circle between these two positions.
- the lug 15 oscillates inside the slot 16 of the actuator during the movement between its two positions.
- the control device 3 further comprises a forcing lever 17 of the contacts mechanically connected to the control lever 10 via the intermediate shaft 13.
- the control lever 10, the element of rotation 11 and the forcing lever 17 are therefore coaxial.
- the forcing lever 17 comprises a main circular portion 17a and an extension 17b extending radially projecting outwards from the main portion 17a.
- the extension 17b of the control lever 10 comprises a free end 17c in which is provided an orifice 18 allowing the introduction of a tool for forcing the actuation of the actuation shaft 13 and thus forcing the engagement or the disengagement of electrical contacts.
- the control lever 10 is mounted, in the axial direction D A , between the forcing lever 17 and the rotation element 6.
- the control device 3 further comprises a torsion spring 20 mounted between the control lever 10 and the rotation element 11.
- the torsion spring 20 has a first end 20a cooperating with the control lever 10 and a second end 20b cooperating with the rotating element 11.
- Figure 8A shows a partial top view of the control device according to an embodiment of the invention and Figure 8B shows a sectional view along plane B of the control device according to an embodiment of the invention.
- the control device 3 also comprises a first pawl 21 and a second pawl 22 mounted in scissors via a torsion spring 23 visible in FIG. 8.
- the first pawl 21 in a manual operating mode of the control device 3, cooperates, in a first position of the rotation element 11, on the one hand, with a first stopper 11a provided on the rotation element 11 to keep the rotation element 11 in the first position for part of the movement of the control lever 10, and, on the other hand, with a first cam path 100 of the control lever 10 to release the first pawl 21 from the first stop 11a and release the rotation element 11.
- second pawl 22 cooperates, in a second position of the rotation element 11, with a second stop 11b of the rotation element 11 and with a second cam path 105 of the control lever 10 to disengage the second pawl 22 from the second stop and release the rotation element 11.
- the first and second pawls 21 and 22 each include a first end, respectively 21a and 22a, and a second end, respectively 21b and 22b.
- the second end 21b and 22b of each pawl 21 and 22 is disposed opposite the rotation element 11 in the radial direction DR, and the first end 21a and 22a of each pawl 21 and 22 is opposite in the radial direction DR the second end 21b and 22b.
- the first end 21a and 22a is therefore radially external relative to the second end 21b and 22b which is radially internal.
- the first pawl 21 comprises a first axial protrusion 210 extending in the axial direction D A towards the control lever 10 and the second pawl 22 comprises a second axial protrusion 220 also extending in the axial direction D A towards the lever control 10.
- the first and second protrusions 210 and 220 are arranged radially opposite the main portion 10a of the control lever 10 carrying the first and second cam tracks 100 and 105. In other words, the first and second protrusions 210 and 220 are arranged in a radial plane than the first and second cam paths 100 and 105 of the control lever 10.
- the first and second pawls 21 and 22 are moved by the external cover 5.
- the control device 3 also comprises first and second switches 30 and 31 cooperating mechanically with the external cover 5 to activate or cut off the electrical supply of the control device 3.
- Each switch 30 and 31 comprises a tab, respectively 32 and 33, for contact which makes it possible to close the switch when the tab is pressed until the end of travel.
- the external cover 5 comprises one end 50 coming, when the external cover 5 is closed, pressing against the two tongues 32 and 33 of the switches 30 and 31 so as to close the circuits of the switches 30 and 31.
- Closing the first switch 30 makes it possible to establish the electrical supply to the control device 3 and in particular the electromechanical member 28 so that the control device 3 can operate in an automatic mode.
- the closing of the second switch 31 makes it possible to activate the transmission of information relating to the electrical supply of the control device 3 for its operation in the automatic mode.
- the two switches 30 and 31 thus make it possible to supply the control device 3 electrically so that it operates in an automatic mode when the external cover 5 is closed, the pawls 21 and 22 being disengaged from the rotation element, and cut the electrical supply to the electromechanical member 28 when the outer cover 5 is open and thus prevent automatic operation while the pawls 21 and 22 are engaged on the rotation element 11 and allow manual operation of the control device 3.
- FIGS 10 and 11 show first and second perspective views of the control device 3 without the outer cover 5 and the handle 101 ergonomically to simplify the reading of the figures.
- the control device 3 further comprises an internal cover 40 mounted in translation on the housing 4 inside the external cover 5 when the latter is closed on the housing 4.
- the internal cover 40 comprises a slot 41 crossed by the radial extension 10b of the control lever 10.
- the slot 41 of the inner cover 40 has a width, that is to say a dimension in the axial direction D A , greater than the width , that is to say the dimension in the axial direction D A , of the radial extension 10b of the control lever 10 which makes it possible to move the internal cover 40 in the axial direction D A.
- the housing includes a second slot 90 extending parallel to the first slot 9 of the housing 4 , that is to say in a direction perpendicular to the axial direction D A.
- the second slot 90 is produced opposite the forcing lever 17, and extends over the entire travel of the free end 17c of the forcing lever 17.
- the first slot 9 is thus disposed in the axial direction D A between the second slot 90 and part 2 for electrical connections.
- the ergonomic handle 101 is configured and arranged so as not to extend in the radial plane in which the radial extension 17b of the forcing lever 17 extends so as not to hinder access to the forcing lever 17.
- the inner cover 40 is shaped to cover the second slot 90 of the housing 4 when it is in a first position and to free access to the second slot 90 of the housing 40 when it is translated into a second position.
- the control device 3 further comprises a compression spring disposed in the axial direction D A between the inner cover 40 and a stop of the housing 4.
- the compression spring maintains by default the inner cover 40 in its first position in which the cover interior 40 covers the second slot 9 to prevent access to the orifice 18 of the forcing lever 17.
- the compression spring is compressible to allow translation of the inner cover 40 in the axial direction D A to free access to the second slot 90 of the housing.
Landscapes
- Mechanical Control Devices (AREA)
- Mechanisms For Operating Contacts (AREA)
- Rotary Switch, Piano Key Switch, And Lever Switch (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1855932A FR3083366B1 (fr) | 2018-06-29 | 2018-06-29 | Dispositif de commande manuelle pour un inverseur de source manoeuvre a distance |
PCT/FR2019/051601 WO2020002850A1 (fr) | 2018-06-29 | 2019-06-28 | Dispositif de commande manuelle pour un inverseur de source manœuvre a distance |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3815119A1 true EP3815119A1 (fr) | 2021-05-05 |
EP3815119B1 EP3815119B1 (fr) | 2022-06-29 |
Family
ID=63312141
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP19752539.7A Active EP3815119B1 (fr) | 2018-06-29 | 2019-06-28 | Dispositif de commande manuelle pour un inverseur de source manoeuvre à distance |
Country Status (5)
Country | Link |
---|---|
US (1) | US11127549B2 (fr) |
EP (1) | EP3815119B1 (fr) |
CN (1) | CN112534529B (fr) |
FR (1) | FR3083366B1 (fr) |
WO (1) | WO2020002850A1 (fr) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102020209257A1 (de) * | 2020-07-22 | 2022-01-27 | Siemens Aktiengesellschaft | Befestigungsvorrichtung und Reiheneinbaugerät |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1071195B (fr) * | 1959-12-17 | |||
US3875360A (en) * | 1973-02-05 | 1975-04-01 | Square D Co | Stored-energy operating mechanism for switch blades |
FR2651603B1 (fr) | 1989-09-07 | 1991-11-08 | Merlin Gerin | Mecanisme de commande d'un interrupteur multipolaire a haute tension. |
FR2924528B1 (fr) * | 2007-12-03 | 2009-12-25 | Areva T & D Sa | Dispositif d'accrochage pour mecanisme de commande d'appareillage electrique et mecanisme de commande equipe d'un tel dispositif. |
FR2935833A1 (fr) * | 2008-09-05 | 2010-03-12 | Schneider Electric Ind Sas | Dispositif de commande de l'ouverture et/ou de la fermeture des contacts dans un appareil electrique |
FR2940511B1 (fr) * | 2008-12-18 | 2010-12-17 | Hager Electro Sas | Dispositif de declenchement mecanique pour appareil eletrique de coupure de ligne. |
EP2317528B1 (fr) * | 2009-11-03 | 2014-02-26 | ABB Technology AG | Actionneur fonctionnant à ressort pour appareil de commutation électrique |
FR2989216B1 (fr) * | 2012-04-10 | 2015-02-20 | Schneider Electric Ind Sas | Dispositif de commande d'un appareillage electrique moyenne tension et appareillage commande par un tel dispositif |
CN104252976B (zh) * | 2013-06-28 | 2016-12-28 | 上海电科电器科技有限公司 | 低压开关电器的手动操作装置 |
CN106158531B (zh) * | 2015-05-12 | 2018-06-26 | 现代电力与能源系统株式会社 | 断路器的闭合弹簧加载装置 |
-
2018
- 2018-06-29 FR FR1855932A patent/FR3083366B1/fr not_active Expired - Fee Related
-
2019
- 2019-06-28 US US17/256,444 patent/US11127549B2/en active Active
- 2019-06-28 WO PCT/FR2019/051601 patent/WO2020002850A1/fr active Application Filing
- 2019-06-28 CN CN201980050468.2A patent/CN112534529B/zh active Active
- 2019-06-28 EP EP19752539.7A patent/EP3815119B1/fr active Active
Also Published As
Publication number | Publication date |
---|---|
US20210249205A1 (en) | 2021-08-12 |
CN112534529B (zh) | 2022-03-22 |
CN112534529A (zh) | 2021-03-19 |
EP3815119B1 (fr) | 2022-06-29 |
FR3083366A1 (fr) | 2020-01-03 |
FR3083366B1 (fr) | 2020-06-12 |
WO2020002850A1 (fr) | 2020-01-02 |
US11127549B2 (en) | 2021-09-21 |
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