EP1130610A1 - Dispositif pour mécanisme de commande d'un appareillage électrique et mécanisme de commande équipé d'un tel dispositif - Google Patents
Dispositif pour mécanisme de commande d'un appareillage électrique et mécanisme de commande équipé d'un tel dispositif Download PDFInfo
- Publication number
- EP1130610A1 EP1130610A1 EP01400519A EP01400519A EP1130610A1 EP 1130610 A1 EP1130610 A1 EP 1130610A1 EP 01400519 A EP01400519 A EP 01400519A EP 01400519 A EP01400519 A EP 01400519A EP 1130610 A1 EP1130610 A1 EP 1130610A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- spring
- shaft
- shock absorber
- module
- fixed
- 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
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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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H3/00—Mechanisms for operating contacts
- H01H3/60—Mechanical arrangements for preventing or damping vibration or shock
- H01H3/605—Mechanical arrangements for preventing or damping vibration or shock making use of a fluid damper
Definitions
- the invention relates to a device intended to equip a spring control of electrical power equipment, such as for example a medium or high voltage circuit breaker.
- this kind of electrical apparatus includes conventionally a switching module controlled by a mechanism where a trigger-trigger arrangement is more specially responsible for switching the module from a position to a other by acting on it through a mechanical link of command to put it on or off and therefore on and off and where another arrangement is used to arm the previous one.
- a control mechanism of this kind is described in particular in a European patent 651409 in conjunction with Figure 1 of this patent. he includes in particular a latch-release arrangement including a main operating shaft, said to be a circuit, on which are fixed various control levers which allow this tree in particular act on the module and be rotated under the action of a cam in a first determined direction, from a starting position for which the module is in a first state up to a position for which the module reaches a second state.
- This rotation takes place by pressing the cam on one of the levers carried by the main shaft and against a return spring which is able to rotate this shaft principal in the opposite direction from the previous one and which acts through a another lever.
- Reverse rotation of the main shaft is only possible under certain conditions which are developed later.
- end-of-travel damping means which are returned integral with the main shaft and in particular a shock absorber acting on this tree by a lever different from the previous ones when the tree returns in the starting position.
- This type of spring control mechanism has the disadvantage to involve a relatively large number of different parts which constitute functional groups which combine in a way relatively complex including commissioning and maintenance are difficult to achieve and therefore too expensive.
- the invention provides a device for a spring control mechanism.
- an electrical appliance of power in particular medium or high voltage, in which at least one switching module is switched from one position to another through an arrangement latch-trip unit including a main operating shaft on which are fixed control levers allowing this shaft to be driven in rotation by means of drive in a first determined direction, from a first position for which the module is in a first state up to a second position in which the module is brought into a second state, and against a spring of reminder able to rotate the main shaft in the opposite direction to bring back the module from the second state to the first state.
- the layout includes plus a limit switch acting on the return of the shaft in first position under the action of the return spring.
- the device is as defined in the claim 1.
- the invention also provides a control mechanism for apparatus electrical power, especially medium or high voltage, in which at least one switching module is switched from one position to another through a latch-trip arrangement including an operating shaft on which are fixed levers control allowing this shaft to be rotated, in a first direction determined by the action of a rotating cam pressing on one of the levers, said to be interlocking-tripping, said rotation taking place from a first position for which the module is in a first state up to a second position in which the module is brought into a second state, and against a spring of reminder able to rotate the main shaft in the opposite direction to bring back the module from the second state to the first state.
- a latch-trip arrangement including an operating shaft on which are fixed levers control allowing this shaft to be rotated, in a first direction determined by the action of a rotating cam pressing on one of the levers, said to be interlocking-tripping, said rotation taking place from a first position for which the module is in a first state up to a second position in which the module is brought into
- the arrangement further includes a shock absorber limit switch acting when the shaft returns to the first position under the action of the return spring.
- said mechanism is as defined in claim 6.
- Figure 1 shows a diagram of a latch-trip arrangement that includes a known control mechanism of electrical power equipment.
- Figure 2 shows a diagram of a latch-trip arrangement comprising a control mechanism similar to that mentioned above which is equipped with a device according to the invention.
- Figure 3 shows a section of a device consisting of a sub-assembly recall and amortization, according to the invention.
- the known spring control mechanism including one of the arrangements main is shown schematically in Figure 1, corresponds to that described in conjunction with Figure 1 of European application 651409. It is designed to equip electrical power equipment and in particular a medium or high voltage circuit breaker, comprising a power switching 1 with a latch-trip arrangement which more particularly ensures putting on and off voltage.
- this arrangement has means, schematized by a mechanical control link L, allowing it to act on the switching module 1, symbolized by a contact which is represented in the open position in Figure 1 and in the closed position in Figure 2.
- the control link L is articulated on a lever 2 laterally carried by a main operating shaft 3 rotating in a limited manner, either in one direction to allow the passage of a first position or starting position, for which the switching module 1 is in a first state, at a second position, for which this module is brought in a second state, or in the other direction for a passage of the second position to the first.
- a first position or starting position for which the switching module 1 is in a first state
- a second position for which this module is brought in a second state, or in the other direction for a passage of the second position to the first.
- the first position is translated by a triggered state of the module, while the second position corresponds to an engaged state.
- the main shaft 3 is rotated in a determined direction, from its first position and here counterclockwise, by the action of an engagement cam 4 fixed on a shaft 5, the rotation is ensured by drive means, known to man business. These means are described in particular in the request. European 651409 and they are not detailed here insofar as they have only an indirect relationship with the subject of the invention.
- Cam 4 has a profile, through which it comes press against a roller 6 carried by an interlock-release lever 7, itself fixed laterally on the main shaft 3, of so as to rotate this main shaft, from its first position, to its second position for which the switching module 1 is triggered.
- the profile of the cam 4 is also produced so that it no longer cooperate with the roller 6 to drive the shaft 3, from the moment it allowed to reach the second position and as long as, on the one hand, the rotation of the cam did not allow him to find a first position determined at the outset and that, on the other hand, the lever 7 is not itself returned to a first determined starting position.
- the engagement-trigger lever 7 carries a finger 8 allowing to cooperate with a roller 9 carried by a retaining pawl 10, so as to prevent the main shaft 3 from rotating in the direction clockwise, under the action of a return spring 11.
- This spring is connected to one end of a lever 20 laterally fixed on the shaft main 3 and it is bandaged during the rotation of the shaft 3 under the action of the cam 4.
- the retaining pawl 10 is a lever articulated on an axis 12. It is kept in the position for which it prevents the main shaft from turn, via a trigger cam 13 against which it is then in abutment.
- the cam 13 is articulated on an axis 14 and controlled by trigger means 15, known to man by trade and represented in symbolized form in Figures 1 and 2.
- the spring 11 is fixed by a first end inside a containing 21 from which comes out a chain 22 which is fixed, on the one hand, to the second end of the spring 11 and, on the other hand, at the end of the lever 20.
- the container must include means accessible from the outside which allow tensioning and adjusting the spring tension.
- the chain 22 is folded which leads to it going through return pulleys 23, along a path relatively complicated and in a way that would clearly benefit be simplified,
- the invention therefore proposes a latch-trip arrangement for a control mechanism, as shown diagrammatically in FIG. 2.
- This arrangement is intended for activate a switching module 1 'which corresponds to the switching 1 shown in Figure 1, and that it is possible to position either in a triggered position or in a position engaged, like this module 1.
- Means shown schematically by a mechanical control link L ' act on the switching module 1 'symbolized by a contact shown in closed position.
- the link L ' is articulated on a lever 2 'laterally carried by a main shaft 3' operating in the same conditions as the main tree 3.
- This main shaft 3 ' is rotated from a first position or starting position, by the action of a locking cam 4 'fixed on a 5 'shaft whose rotation is ensured by drive means as mentioned above.
- Cam 4 ' which corresponds to cam 4, is designed to press against a 6 'roller carried by a lever 7 'interlock-release laterally fixed on the main shaft 3 'so that it can be rotated from the first position, up to a second position for which the module 1 'is in the state triggered.
- the profile of the cam 4 ′ is produced, like that of the cam 4, to no longer cooperate with the roller 6 'to drive the shaft 3', from the time this tree has reached its second position and as long as the rotation did not allow the cam to return to first position, such as shown in Figure 2. As before, any renewal of this cooperation implies a prior return of the lever 7 'in position of departure.
- the lever 7 ' carries a finger 8' allowing it to cooperate with a roller 9 ' carried by a retaining pawl 10 ', so as to prevent rotation of the main tree clockwise under the action a return spring.
- the pawl 10 ' is articulated on an axis 12' and it is held in a position, for which it prevents the 3 'shaft from rotating under the tension of the return spring, via a cam 13 'trigger.
- This cam 13 ' is controlled by means of 15 'trigger, under the same conditions as the cam trigger 13 by trigger means 15.
- This mechanical device is in the form of a autonomous sub-assembly in which a return spring 36 and a shock absorber 37 are associated in a coaxial arrangement.
- This subset is provided in particular to allow adjustments independent of the pre-tension applied to the spring and damping at the shock absorber
- the shock absorber 37 is for example a conventional oil shock absorber which is articulated by a first end on a fixed pivot 24, as the shock absorber 15 on the pivot 16.
- This shock absorber 37 comprises a rod piston 25, which projects from its second end and which is articulated on a lever 26 laterally fixed on the main shaft 3 '.
- This lever 26 replaces the levers 19 and 20 of the known embodiment, described above.
- the shock absorber 37 comprises a tank 27, filled with oil, which is at least partially housed in a body cylindrical 28 where it is fixed and it is this body which has a passage 29 provided to receive the articulation pivot 24.
- the return spring 36 is a helical spring which is fixed by a end on the body 28 which it comes to surround.
- the body 28 has a peripheral groove helical in appearance whose dimensions are complementary to that of spring 36 which therefore comes to be subjected to it by a first end, as seen in Figures 2 and 3.
- the spring 36 is crossed on its length by the piston rod 25 and it is fixed by its second end on a sleeve 30 which also passes through the piston rod 25.
- the fixing of the spring 25 on the sleeve 30 is made like that of this spring on the body 28.
- An adjustment sleeve 31 screws onto the end of the piston rod which protrudes from the tank 27 of the shock absorber 37 and which is threaded therein goal.
- This sleeve is terminated at one end by a support collar 38 which is housed inside the coil spring, when the device is mounted, so as to serve as a stop for the sleeve 30.
- This arrangement allows to adjust the stress imposed longitudinally on the spring 36, by screwing or unscrewing the adjustment sleeve 31, it being understood that this spring is provided to exert traction on the lever 26.
- a yoke 32 receives the threaded end of the piston rod 25.
- the yoke 32 has a axis passage 33 provided to allow it to come articulate on a pivot end 34 carried by the lever 26.
- the spring 36 of the return and damping device thus formed is therefore elastically stretched, when the main shaft 3 'is put in rotation under the action of the cam 4 'acting by pressing on the lever 7', when this cam is rotated by its drive means. Maximum stretching of the spring 36 is obtained when the cam 4 'has driven the switching module 1 'in the engaged position. Simultaneously the piston rod 25 of the shock absorber is brought into its maximum projection position, outside of the tank 27 of the shock absorber.
- the positioning of the sleeve 31 on the piston rod is adjusted by screwing or unscrewing, it adjusts the restoring force exerted by the spring 36 on the main shaft 3 'via the lever 26. This force ensures the return of the main shaft to its first position, to which the switch 1 'is triggered, as soon as the cam 13 is recalled back due to corresponding operating conditions to the pre-established trigger conditions.
- the shock absorber 37 comes into action when returning the main shaft to first position, under the action of the spring 36 and it provides braking to avoid the appearance of oscillations at the end of the race.
Landscapes
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
- Lock And Its Accessories (AREA)
- Power-Operated Mechanisms For Wings (AREA)
- Push-Button Switches (AREA)
- Mechanisms For Operating Contacts (AREA)
- Vending Machines For Individual Products (AREA)
- Power Steering Mechanism (AREA)
Abstract
Description
Claims (7)
- Dispositif pour mécanisme de commande à ressort d'un appareillage électrique de puissance, notamment moyenne ou haute tension, dans lequel au moins un module de commutation (1') est commuté d'une position à une autre par l'intermédiaire d'un agencement enclencheur-déclencheur incluant un arbre principal de manoeuvre (3') sur lequel sont fixés des leviers de commande permettant à cet arbre d'être entraíné en rotation sous l'action d'une came (4') dans un premier sens déterminé, depuis une première position pour laquelle le module est dans un premier état jusqu'à une seconde position dans laquelle le module est amené dans un second état, et à l'encontre d'un ressort de rappel apte à faire tourner l'arbre principal en sens inverse pour ramener le module du second état au premier état, , ledit agencement enclencheur-déclencheur comportant aussi un amortisseur de fin de course agissant lors du retour de l'arbre en première position sous l'action du ressort de rappel, caractérisé en ce que ledit dispositif est constitué par un sous-ensemble de rappel et d'amortissement qui comporte un amortisseur (37) et un ressort de rappel (36) coaxialement montés entre deux pivots d'articulation dont l'un (16') est fixe et dont l'autre (34) est fixé en extrémité d'un des leviers (26) que porte l'arbre principal, en ce que la cuve (27) de l'amortisseur (37) est articulée sur un premier des pivots et la tige de piston (25) de cet amortisseur est articulée sur le second des pivots et en ce que le ressort est solidaire de la cuve de l'amortisseur par une première extrémité et de l'extrémité d'articulation de la tige de piston par une seconde extrémité et entoure ladite cuve.
- Dispositif, selon la revendication 1, dans lequel la tige de piston est filetée en extrémité pour recevoir un agencement de réglage de tension pour le ressort de rappel qu'elle traverse, de manière à permettre de modifier la position de cet agencement sur une partie de la longueur de cette tige et la précontrainte imposée au ressort.
- Dispositif, selon l'une des revendications 1, 2, dans lequel est prévu un agencement de réglage, de la contrainte appliquée au ressort de rappel, qui comporte un manchon d'ajustement (31), vissé sur la tige du piston et muni à une extrémité d'un collet d'appui (38) se logeant à l'intérieur du ressort, ainsi qu'une douille (30) de fixation d'extrémité de ressort enfilée sur le manchon et en butée contre le collet d'appui sous la traction du ressort.
- Dispositif selon l'une des revendications 1 à 3, dans lequel la tige de piston s'articule sur un pivot (34) porté par un levier (26) fixé sur l'arbre principal.
- Dispositif selon l'une des revendications 1 à 4, dans lequel la tige de piston (25) s'articule par une chape (32) sur un pivot (34) d'un levier (26) latéralement fixé sur l'arbre principal, cette chape étant fixée en extrémité de tige, au-delà du ressort de rappel (36).
- Mécanisme de commande pour appareillage électrique de puissance, notamment moyenne ou haute tension, dans lequel au moins un module de commutation (1') est commuté d'une position à une autre par l'intermédiaire d'un agencement enclencheur-déclencheur incluant un arbre de manoeuvre (3') sur lequel sont fixés des leviers de commande permettant à cet arbre d'être entraíné en rotation, dans un premier sens déterminé sous l'action d'une came rotative (4') venant presser sur un des leviers (7'), dit d'enclenchement-déclenchement, ladite rotation s'effectuant depuis une première position pour laquelle le module est dans un premier état jusqu'à une seconde position dans laquelle le module est amené dans un second état, et à l'encontre d'un ressort de rappel apte à faire tourner l'arbre principal en sens inverse pour ramener le module du second état au premier état, ladite rotation de sens inverse étant réalisable après effacement d'un cliquet de retenue (10') qui retient cet arbre dans sa seconde position en agissant sur le levier d'enclenchement-déclenchement (7'), sous le contrôle de moyens de déclenchement (5), lorsque la came est devenue inopérante en raison de sa rotation et de son profil, ledit agencement comportant de plus un amortisseur de fin de course agissant lors du retour de l'arbre en première position sous l'action du ressort de rappel, ledit mécanisme étant caractérisé en ce que ledit agencement enclencheur-déclencheur comporte un levier (26), fixé sur l'arbre principal, qui porte un pivot (34) d'extrémité au niveau duquel s'articule un dispositif constitué par un sous-ensemble de rappel et d'amortissement, incluant un amortisseur (37) et un ressort de rappel (36) coaxialement montés entre deux pivots d'articulation dont l'un est fixe et dont l'autre est ledit pivot d'extrémité (34), en ce que la cuve (27) de l'amortisseur est articulée sur un premier des pivots et la tige de piston (25)de cet amortisseur est articulée sur le second de ces pivots et en ce que le ressort de rappel est solidaire de la cuve de l'amortisseur par une première extrémité et de l'extrémité d'articulation de la tige de piston par une seconde extrémité et entoure ladite cuve.
- Mécanisme de commande, selon la revendication 6, caractérisé en ce qu'il comporte un dispositif selon au moins l'une des revendications précédentes de dispositif.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0002687A FR2805921B1 (fr) | 2000-03-02 | 2000-03-02 | Dispositif pour mecanisme de commande d'un appareillage electrique et mecanisme de commande equipe d'un tel dispositif |
FR0002687 | 2000-03-02 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1130610A1 true EP1130610A1 (fr) | 2001-09-05 |
EP1130610B1 EP1130610B1 (fr) | 2008-04-23 |
Family
ID=8847643
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP01400519A Expired - Lifetime EP1130610B1 (fr) | 2000-03-02 | 2001-02-28 | Dispositif pour mécanisme de commande d'un appareillage électrique et mécanisme de commande équipé d'un tel dispositif |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP1130610B1 (fr) |
AT (1) | ATE393460T1 (fr) |
DE (1) | DE60133684T2 (fr) |
FR (1) | FR2805921B1 (fr) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2925210A1 (fr) * | 2007-12-17 | 2009-06-19 | Areva T & D Ag | Commande compacte pour appareillage electrique moyennes et hautes tensions |
FR2925211A1 (fr) * | 2007-12-17 | 2009-06-19 | Areva T & D Ag | Commande compacte et robuste pour appareillage electrique moyennes et hautes tensions |
CN103236358A (zh) * | 2013-04-15 | 2013-08-07 | 无锡市锡山湖光电器有限公司 | 断路器用缓冲器 |
CN110176371A (zh) * | 2019-07-03 | 2019-08-27 | 珠海鼎冠电气有限公司 | 一种低震荡开关机构 |
CN112382517A (zh) * | 2020-11-02 | 2021-02-19 | 平高集团有限公司 | 一种弹簧操动机构合闸系统及弹簧操动机构 |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103560025B (zh) * | 2013-10-12 | 2016-05-18 | 安徽中电兴发与鑫龙科技股份有限公司 | 一种交流高压真空断路器机构 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1867847A (en) * | 1928-02-01 | 1932-07-19 | Kelman Electric & Mfg Company | Operating mechanism for oil switches |
US2717288A (en) * | 1952-01-04 | 1955-09-06 | Gen Electric | Pneumatically controlled operating device for electric circuit breakers |
US3845433A (en) * | 1973-09-28 | 1974-10-29 | Arrow Hart Inc | Switch operator with tripping means |
EP0651409A1 (fr) * | 1993-11-03 | 1995-05-03 | GEC Alsthom T&D AG | Entraînement à ressort pour un appareil de commutation |
-
2000
- 2000-03-02 FR FR0002687A patent/FR2805921B1/fr not_active Expired - Lifetime
-
2001
- 2001-02-28 DE DE60133684T patent/DE60133684T2/de not_active Expired - Lifetime
- 2001-02-28 AT AT01400519T patent/ATE393460T1/de not_active IP Right Cessation
- 2001-02-28 EP EP01400519A patent/EP1130610B1/fr not_active Expired - Lifetime
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1867847A (en) * | 1928-02-01 | 1932-07-19 | Kelman Electric & Mfg Company | Operating mechanism for oil switches |
US2717288A (en) * | 1952-01-04 | 1955-09-06 | Gen Electric | Pneumatically controlled operating device for electric circuit breakers |
US3845433A (en) * | 1973-09-28 | 1974-10-29 | Arrow Hart Inc | Switch operator with tripping means |
EP0651409A1 (fr) * | 1993-11-03 | 1995-05-03 | GEC Alsthom T&D AG | Entraînement à ressort pour un appareil de commutation |
Cited By (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2925210A1 (fr) * | 2007-12-17 | 2009-06-19 | Areva T & D Ag | Commande compacte pour appareillage electrique moyennes et hautes tensions |
FR2925211A1 (fr) * | 2007-12-17 | 2009-06-19 | Areva T & D Ag | Commande compacte et robuste pour appareillage electrique moyennes et hautes tensions |
EP2073228A1 (fr) | 2007-12-17 | 2009-06-24 | AREVA T&D AG | Commande compacte pour appareillage électrique moyennes et hautes tensions |
EP2073227A1 (fr) | 2007-12-17 | 2009-06-24 | AREVA T&D AG | Commande compacte et robuste pour appareillage electrique moyennes et hautes tensions |
CN101465220A (zh) * | 2007-12-17 | 2009-06-24 | 阿雷瓦T&D公司 | 用于中高压开关设备的紧凑型操作机构 |
US7671292B2 (en) | 2007-12-17 | 2010-03-02 | Areva T&D Ag | Compact operating mechanism for medium and high voltage switchgear |
CN101465220B (zh) * | 2007-12-17 | 2013-10-16 | 阿尔斯通技术有限公司 | 中高压开关设备和用于中高压开关设备中开关的操作机构 |
CN103236358A (zh) * | 2013-04-15 | 2013-08-07 | 无锡市锡山湖光电器有限公司 | 断路器用缓冲器 |
CN110176371A (zh) * | 2019-07-03 | 2019-08-27 | 珠海鼎冠电气有限公司 | 一种低震荡开关机构 |
CN110176371B (zh) * | 2019-07-03 | 2024-05-07 | 珠海鼎冠电气有限公司 | 一种低震荡开关机构 |
CN112382517A (zh) * | 2020-11-02 | 2021-02-19 | 平高集团有限公司 | 一种弹簧操动机构合闸系统及弹簧操动机构 |
Also Published As
Publication number | Publication date |
---|---|
FR2805921A1 (fr) | 2001-09-07 |
ATE393460T1 (de) | 2008-05-15 |
DE60133684T2 (de) | 2009-07-02 |
FR2805921B1 (fr) | 2002-11-29 |
EP1130610B1 (fr) | 2008-04-23 |
DE60133684D1 (de) | 2008-06-05 |
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