EP2892068B1 - Appareil de commutateur de transfert automatique - Google Patents

Appareil de commutateur de transfert automatique Download PDF

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Publication number
EP2892068B1
EP2892068B1 EP13832595.6A EP13832595A EP2892068B1 EP 2892068 B1 EP2892068 B1 EP 2892068B1 EP 13832595 A EP13832595 A EP 13832595A EP 2892068 B1 EP2892068 B1 EP 2892068B1
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EP
European Patent Office
Prior art keywords
operation mechanism
primary side
backup
side operation
power supply
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.)
Active
Application number
EP13832595.6A
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German (de)
English (en)
Other versions
EP2892068A1 (fr
EP2892068A4 (fr
Inventor
Degang QU
Mi Zhou
Li BA
Di SHEN
Anshun YOU
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhejiang Chint Electrics Co Ltd
SEARI Electric Technology Co Ltd
Original Assignee
Zhejiang Chint Electrics Co Ltd
SEARI Electric Technology Co Ltd
Priority date (The priority date 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 date listed.)
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Publication date
Application filed by Zhejiang Chint Electrics Co Ltd, SEARI Electric Technology Co Ltd filed Critical Zhejiang Chint Electrics Co Ltd
Publication of EP2892068A1 publication Critical patent/EP2892068A1/fr
Publication of EP2892068A4 publication Critical patent/EP2892068A4/fr
Application granted granted Critical
Publication of EP2892068B1 publication Critical patent/EP2892068B1/fr
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Anticipated expiration legal-status Critical

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H3/00—Mechanisms for operating contacts
    • H01H3/32—Driving mechanisms, i.e. for transmitting driving force to the contacts
    • H01H3/40—Driving mechanisms, i.e. for transmitting driving force to the contacts using friction, toothed, or screw-and-nut gearing
    • 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
    • H01H9/20—Interlocking, locking, or latching mechanisms
    • H01H9/24—Interlocking, locking, or latching mechanisms for interlocking two or more parts of the mechanism for operating contacts
    • 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
    • H01H9/20—Interlocking, locking, or latching mechanisms
    • H01H9/26—Interlocking, locking, or latching mechanisms for interlocking two or more switches
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2300/00—Orthogonal indexing scheme relating to electric switches, relays, selectors or emergency protective devices covered by H01H
    • H01H2300/018—Application transfer; between utility and emergency power supply
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H3/00—Mechanisms for operating contacts
    • H01H3/32—Driving mechanisms, i.e. for transmitting driving force to the contacts
    • H01H3/42—Driving mechanisms, i.e. for transmitting driving force to the contacts using cam or eccentric

Definitions

  • the present invention relates to low voltage electrical apparatus, more particularly, to a transfer switch appliance with automatic transfer ability.
  • EP 2 284 851 A2 discloses an automatic transfer switch including a case having an accommodation space partitioned into upper and lower spaces for accomodating a regular air circuit breaker, an emergency air circuit breaker and also a transfer device for alternately closing or tripping both the air circuit breakers.
  • the present invention provides a large capacity transfer switch appliance having three work positions and automatic operation ability.
  • a transfer switch appliance is provided.
  • the transfer switch appliance is installed between a primary side power supply and a backup side power supply.
  • the transfer switch appliance comprises a front base and a rear base, a contact system and an operation system.
  • the front base and the rear base combines to define a space.
  • the contact system is installed within the space, the contact system closes or disconnects a circuit.
  • the contact system comprises a moving contact and a static contact, the moving contact has three work positions, namely a primary side position, an intermediate position and a backup side position.
  • the operation system is installed on the front base, the operation system is an energy storage mechanism implementing disconnecting/closing operations.
  • the operation system is connected to the moving contact via a connecting rod.
  • the operation system comprises a primary side operation mechanism and a backup side operation mechanism connected by a gear group.
  • the primary side operation mechanism and the backup side operation mechanism are installed respectively on an upper side and a lower side of the front base, the primary side operation mechanism and the backup side operation mechanism are connected to a handle or an electric motor via a common shaft.
  • the handle or the electric motor completes an energy storage operation with respect to both the primary side operation mechanism and the backup side operation mechanism within one circle.
  • An interlocking device is disposed between the primary side operation mechanism and the backup side operation mechanism. The interlocking device ensures that the backup side power supply is open while the primary side power supply is closed, and the primary side power supply is open while the backup side power supply is closed.
  • the interlocking device comprises a first interlocking member and a second interlocking member which are disposed symmetrically.
  • the first interlocking member comprises a first bracket, a first lever, a first shaft and a first connector.
  • the first bracket is welded to a main shaft of the primary side operation mechanism.
  • the first bracket is connected to one end of the first lever via the first shaft, and the other end of the first lever is connected to the first connector.
  • the first connector is installed on a side plate of the backup side operation mechanism.
  • the second interlocking member comprises a second bracket, a second lever, a second shaft and a second connector.
  • the second bracket is welded to a main shaft of the backup side operation mechanism.
  • the second bracket is connected to one end of the second lever via the second shaft, and the other end of the second lever is connected to the second connector.
  • the second connector is installed on a side plate of the primary side operation mechanism.
  • the primary side operation mechanism When the primary side operation mechanism is closed, the main shaft of the primary side operation mechanism rotates to a closed position, the first bracket also rotates and drives the first connector to rotate via the first lever, the first connector presses a disconnecting shaft of the backup side operation mechanism so that the backup side operation mechanism is open.
  • the backup side operation mechanism When the backup side operation mechanism is closed, the main shaft of the backup side operation mechanism rotates to a closed position, the second bracket also rotates and drives the second connector to rotate via the second lever, the second connector presses a disconnecting shaft of the primary side operation mechanism so that the primary side operation mechanism is open.
  • the transfer switch appliance further comprises a controller to achieve automatic operation.
  • the controller collects voltage signals of the primary side power supply and the backup side power supply and switches between the primary side power supply and the backup side power supply based on the collected voltage signals.
  • the contact system has an arc extinguishing chamber installed on the outside of a contact point of the moving contact and the static contact.
  • the arc extinguishing chamber comprises an arc striking sheet, a plurality of arc chutes and a plurality of hole containing press plates.
  • the plurality of arc chutes are disposed in vertical arrangement and cross to each other.
  • the arc striking sheet is installed on the bottom of the arc chutes.
  • the plurality of hole containing press plates are disposed above the arc chutes, the plurality of hole containing press plates are disposed in stacked arrangement and the positions of the holes on the different hole containing press plates interleave.
  • the contact system has a busbar, the busbar is connected to a common end of the primary side power supply and the backup side power supply.
  • the busbar is connected to a plurality of parallel connected contact plates via soft connections.
  • the moving contact is installed on the contact plates, the moving contact has a prominent contact point, the static contact is convex.
  • the handle or the electric motor performs the energy storage operation with respect to the primary side operation mechanism via a primary side cam, and performs the energy storage operation with respect to the backup side operation mechanism via a backup side cam.
  • the primary side operation mechanism and the backup side operation mechanism are crosswise assembled on the front base.
  • the front base and the rear base are insulation bases.
  • the transfer switch appliance further comprises an auxiliary contact, terminal rows, a closing electromagnet, a shunt release and contactors.
  • the auxiliary contact and the terminal rows are connected to corresponding functional components respectively, including the closing electromagnet, the shunt release, the contactors, the electric motors and the controller.
  • the terminal rows are also connected to external components so that remote controls and communications may be achieved.
  • the transfer switch appliance of the present invention uses an energy storage type operation system, so that the transfer switch appliance may have the characteristics such as small volume, large capacity, full functions and high reliability.
  • Figs 1-9 disclose the structure of a transfer switch appliance according to an embodiment of the present invention, including diagrams of the overall structure and diagrams of different components.
  • the transfer switch appliance 100 is installed between a primary side power supply and a backup side power supply.
  • the transfer switch appliance 100 comprises a front base 102 and a rear base 103, a contact system and an operation system 101.
  • the front base 102 and the rear base 103 combines together to define a space.
  • the front base 102 and the rear base 103 are insulation bases.
  • the combined front base 102 and the rear base 103 are divided into four phases.
  • the contact system is installed within the space combined by the front base 102 and the rear base 103.
  • the contact system closes or disconnects a circuit.
  • the contact system comprises moving contacts 105 and static contacts 106.
  • a pair of a moving contact 105 and a static contact 106 is included in each phase, and an arc extinguishing chamber 104 is also included in each phase.
  • a primary side busbar 107, a common side busbar 108 and a backup side busbar 109 are disposed on the combined base.
  • the moving contact 105 has three work positions, namely a primary side position, an intermediate position and a backup side position.
  • the operation system 101 is installed on the front base.
  • the operation system 101 is an energy storage mechanism implementing disconnecting/closing operations. Operation mechanisms are connected to the moving contact 105 via a connecting rod 131.
  • the operation system 101 comprises a primary side operation mechanism and a backup side operation mechanism connected by a gear group 113.
  • the primary side operation mechanism and the backup side operation mechanism are installed respectively on an upper side and a lower side of the front base. In one embodiment, the primary side operation mechanism and the backup side operation mechanism are crosswise assembled on the front base.
  • the primary side operation mechanism and the backup side operation mechanism are connected to a handle or an electric motor 124 via a common shaft 114.
  • the handle or the electric motor 124 completes an energy storage operation with respect to both the primary side operation mechanism and the backup side operation mechanism within one circle, which means a rotation of 360°.
  • the handle or the electric motor 124 performs the energy storage operation with respect to the primary side operation mechanism via a primary side cam 115, and performs the energy storage operation with respect to the backup side operation mechanism via a backup side cam 116.
  • the primary side operation mechanism and the backup side operation mechanism are disposed in an upper-lower crosswise arrangement, so that the longitudinal dimension of the product may be reduced.
  • the handle or the electric motor completes an energy storage operation with respect to both the primary side operation mechanism and the backup side operation mechanism within a 360° rotation, the lateral dimension of the product may be reduced.
  • an interlocking device is disposed between the primary side operation mechanism and the backup side operation mechanism.
  • the interlocking device ensures that the backup side power supply is open while the primary side power supply is closed, or the primary side power supply is open while the backup side power supply is closed.
  • the interlocking device comprises a first interlocking member and a second interlocking member which are disposed symmetrically.
  • the first interlocking member comprises a first bracket 125, a first lever 130, a first shaft 128 and a first connector 129.
  • the first bracket 125 is welded to a main shaft 126 of the primary side operation mechanism.
  • the first bracket 125 is connected to one end of the first lever 130 via the first shaft 128, and the other end of the first lever 130 is connected to the first connector 129.
  • the first connector 129 is installed on a side plate of the backup side operation mechanism. When the primary side operation mechanism is closed, the main shaft 126 of the primary side operation mechanism rotates to a closed position, the first bracket 125 also rotates and drives the first connector 129 to rotate via the first lever 130, the first connector 129 presses a disconnecting shaft of the backup side operation mechanism so that the backup side operation mechanism is open.
  • the second interlocking member comprises a second bracket 225, a second lever 230, a second shaft 228 and a second connector 229.
  • the second bracket 225 is welded to a main shaft 226 of the backup side operation mechanism.
  • the second bracket 225 is connected to one end of the second lever 230 via the second shaft 228, and the other end of the second lever 230 is connected to the second connector 229.
  • the second connector 229 is installed on a side plate of the primary side operation mechanism. When the backup side operation mechanism is closed, the main shaft 226 of the backup side operation mechanism rotates to a closed position, the second bracket 225 also rotates and drives the second connector 229 to rotate via the second lever 230, the second connector 229 presses a disconnecting shaft of the primary side operation mechanism so that the primary side operation mechanism is open.
  • the transfer switch appliance 100 further comprises a controller 110.
  • the controller 110 collects voltage signals of the primary side power supply and the backup side power supply, and further switches between the primary side power supply and the backup side power supply based on the collected voltage signals.
  • the controller 110 is composed of electronic circuits. The controller 110 makes a real time logical determination based on the signals collected from the primary power supply side and the backup power supply side respectively. If a fault is detected on the primary side power supply, a signal is automatically sent to disconnect the primary side power supply and close the backup side power supply. Similarly, if a fault is detected on the backup side power supply, a signal is automatically sent to disconnect the backup side power supply and close the primary side power supply.
  • the controller 110 is able to achieve automatic transfer between the power supplies.
  • the transfer switch appliance 100 may also accomplish the transfer of the power supply via manual operations.
  • the primary side contact point of the contact system will disconnect the connection with the primary side power supply if a disconnecting button of the primary side operation mechanism is pressed.
  • the contact point of the contact system will close the connection with the backup side power supply and achieve the transfer of the power supply.
  • similar operations will be performed.
  • the initial position of the transfer switch appliance of the present invention is an intermediate position (the Zero position).
  • the transfer switch appliance 100 is installed into a circuit with two power supply systems, namely a primary side power supply and a backup side power supply. Under normal conditions, the primary side power supply supplies power.
  • a handle is manually operated to rotate one circle, or an electric motor is remotely controlled to rotate one circle so as to perform an energy storage operation with respect to both the primary side cam 115 and the backup side cam 116.
  • a closing button of the primary side operation mechanism or pressing the primary side operation mechanism via remote control of a closing electromagnet, the primary side contact point of the operation system is closed and the connection with the primary side power supply is closed, then power is supplied.
  • the contact system has an arc extinguishing chamber 104 installed on the outside of a contact point of the moving contact 105 and the static contact 106.
  • the arc extinguishing chamber 104 comprises an arc striking sheet 118, a plurality of arc chutes 119 and a plurality of hole containing press plates 120.
  • the plurality of arc chutes 119 are disposed in vertical arrangement and cross with each other. Such an arrangement of the arc chutes is good for striking the arc.
  • the arc chutes 119 are disposed in the middle of the arc extinguishing chamber 104.
  • the arc striking sheet 118 is installed on the bottom of the arc chutes 119.
  • the plurality of hole containing press plates 120 are disposed above the arc chutes 119, that is, above the arc extinguishing chamber 104.
  • the plurality of hole containing press plates 120 are disposed in stacked arrangement and the positions of the holes on the different hole containing press plates interleave with each other. Such an arrangement is good for elimination of free gas and may avoid arcing.
  • Arc may be generated during closing/disconnecting procedures of the switch.
  • the arc is introduced into the arc extinguishing chamber by the arc striking sheet and is extinguished by the crosswise arc chutes.
  • Multiple layers of hole containing press plates are installed on the top of the arc extinguishing chamber.
  • the hole containing press plates eliminate free gas generated by the arc so as to avoid arcing.
  • the contact system has a busbar connected with a common end of the primary side power supply and the backup side power supply.
  • the busbar may be a common side busbar 108.
  • the busbar may further comprise a primary side busbar 107 and a backup side busbar 109.
  • the busbar is connected to a plurality of parallel connected contact plates 117 via soft connections.
  • the moving contact 105 is installed on the contact plates 117.
  • the contact plates 117 and the moving contact 105 perform closing or disconnecting operations so as to close or disconnect the connection with the corresponding power supply sides.
  • the moving contact 105 may have three prominent contact points, which are thicker than other contact points so that a lager contact press force is obtained.
  • the static contact matching the moving contact is convex so as to facilitate arc introduction.
  • the contact system with a plurality of parallel connected contact plates may operate a large capacity switch with a relatively small operation force, so that a large capacity and small volume design may be realized.
  • the transfer switch appliance also has remote control and communication functions, which are implemented by the following components: an auxiliary contact 111 and terminal rows 112.
  • the auxiliary contact 111 and the terminal rows 112 are respectively connected to corresponding functional components including a closing electromagnet 121, a shunt release 122, contactors 123, an electric motor 124 and the controller 110.
  • the terminal rows 112 are also connected to external components so that the remote control and communication functions may be implemented.
  • the transfer switch appliance of the present invention uses an energy storage type operation system, so that the transfer switch appliance may have the characteristics such as small volume, large capacity, full functions and high reliability.

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  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
  • Breakers (AREA)
  • Harvester Elements (AREA)

Claims (7)

  1. Appareil de commutation de transfert (100) installé entre une alimentation électrique côté primaire et une alimentation électrique côté auxiliaire, comprenant :
    une base avant (102) et une base arrière (103), la base avant (102) et la base arrière (103) se combinant pour définir un espace ;
    un système de contact installé dans l'espace, le système de contact fermant ou déconnectant un circuit, le système de contact comprenant un contact mobile (105) et un contact statique (106), le contact mobile ayant trois positions de travail, à savoir une position côté primaire, une position intermédiaire et une position côté auxiliaire ;
    un système de fonctionnement (101) installé sur la base avant (102), le système de fonctionnement (101) étant un mécanisme de stockage d'énergie mettant en oeuvre des opérations de déconnexion/fermeture, dans lequel le système de fonctionnement est connecté au contact mobile (105) par l'intermédiaire d'une tige de connexion (131), dans lequel le système de fonctionnement (101) comprend un mécanisme de fonctionnement côté primaire et un mécanisme de fonctionnement côté auxiliaire connectés par un groupe d'engrenages (113), dans lequel le mécanisme de fonctionnement côté primaire et le mécanisme de fonctionnement côté auxiliaire sont installés respectivement sur un côté supérieur et un côté inférieur de la base avant, le mécanisme de fonctionnement côté primaire et le mécanisme de fonctionnement côté auxiliaire étant reliés à une poignée ou à un moteur électrique (124) par l'intermédiaire d'un arbre commun (114) ;
    dans lequel un dispositif de verrouillage est disposé entre le mécanisme de fonctionnement côté primaire et le mécanisme de fonctionnement côté auxiliaire, le dispositif de verrouillage garantissant que l'alimentation électrique côté auxiliaire est ouverte lorsque l'alimentation électrique côté primaire est fermée, et que l'alimentation électrique côté primaire est ouverte lorsque l'alimentation électrique côté auxiliaire est fermée ;
    dans lequel le dispositif de verrouillage comprend un premier élément de verrouillage et un second élément de verrouillage qui sont disposés de manière symétrique l'un par rapport à l'autre ;
    dans lequel la poignée ou le moteur électrique (124) effectue une opération de stockage d'énergie à la fois pour le mécanisme de fonctionnement côté primaire et le mécanisme de fonctionnement côté auxiliaire en un tour, ce qui signifie une rotation de 360° de l'arbre commun (114) ;
    dans lequel le premier élément de verrouillage comprend un premier support (125), un premier levier (130), un premier arbre (128) et un premier connecteur (129), le premier support (125) étant soudé à un arbre principal (126) du mécanisme de fonctionnement côté primaire, le premier support (125) étant connecté à une extrémité du premier levier (130) par l'intermédiaire du premier arbre (128), l'autre extrémité du premier levier (130) étant connectée au premier connecteur (129), le premier connecteur (129) étant installé sur une plaque latérale du mécanisme de fonctionnement côté auxiliaire ; et
    dans lequel le second élément de verrouillage comprend un second support (225), un second levier (230), un second arbre (228) et un second connecteur (229), le second support (225) étant soudé à un arbre principal (226) du mécanisme de fonctionnement côté auxiliaire, le second support (225) étant connecté à une extrémité du second levier (230) par l'intermédiaire du second arbre (228), l'autre extrémité du second levier (230) étant connectée au second connecteur (229), le second connecteur (229) étant installé sur une plaque latérale du mécanisme de fonctionnement côté primaire,
    dans lequel, lorsque le mécanisme de fonctionnement côté primaire est fermé, l'arbre principal (126) du mécanisme de fonctionnement côté primaire tourne jusqu'à une position fermée, le premier support (125) tourne également et entraîne le premier connecteur (129) à tourner par l'intermédiaire du premier levier (130), le premier connecteur (129) appuie sur un arbre de déconnexion du mécanisme de fonctionnement côté auxiliaire de sorte que le mécanisme de fonctionnement côté auxiliaire est ouvert ; et
    dans lequel, lorsque le mécanisme de fonctionnement côté auxiliaire est fermé, l'arbre principal (226) du mécanisme de fonctionnement côté auxiliaire tourne jusqu'à une position fermée, le second support (225) tourne également et entraîne le second connecteur (229) à tourner par l'intermédiaire du second levier (230), le second connecteur (229) appuie sur un arbre de déconnexion du mécanisme de fonctionnement côté primaire de sorte que le mécanisme de fonctionnement côté primaire est ouvert.
  2. Appareil de commutation de transfert selon la revendication 1, comprenant en outre :
    un contrôleur (110) pour collecter des signaux de tension de l'alimentation électrique côté primaire et de l'alimentation électrique côté auxiliaire et commuter entre l'alimentation électrique côté primaire et l'alimentation électrique côté auxiliaire sur la base des signaux de tension collectés.
  3. Appareil de commutation de transfert selon la revendication 1, dans lequel le système de contact a une chambre d'extinction d'arc (104) installée à l'extérieur d'un point de contact du contact mobile (105) et du contact statique (106), la chambre d'extinction d'arc comprenant une feuille d'amorçage d'arc (118), une pluralité de boîtiers de soufflage (119) et une pluralité de plaques de presse contenant des trous (120), la pluralité de boîtiers de soufflage (119) étant disposés verticalement et se croisant, la feuille d'amorçage d'arc (118) étant installée au fond des boîtiers de soufflage (119), la pluralité de plaques de presse contenant des trous (120) étant disposées au-dessus des boîtiers de soufflage (119), la pluralité de plaques de presse contenant des trous (120) étant disposées en pile et les positions des trous sur les différentes plaques de presse contenant des trous s'imbriquant les unes dans les autres.
  4. Appareil de commutation de transfert selon la revendication 1, dans lequel le système de contact a une barre omnibus, la barre omnibus étant connectée à une extrémité commune de l'alimentation électrique côté primaire et de l'alimentation électrique côté auxiliaire, la barre omnibus étant connectée à une pluralité de plaques de contact connectées en parallèle (117) par l'intermédiaire de connexions souples, le contact mobile étant installé sur les plaques de contact (117), le contact mobile (105) ayant un point de contact proéminent, le contact statique (106) étant convexe.
  5. Appareil de commutation de transfert selon la revendication 1, dans lequel la poignée ou le moteur électrique effectue l'opération de stockage d'énergie par rapport au mécanisme de fonctionnement côté primaire par l'intermédiaire d'une came côté primaire (115), et effectue l'opération de stockage d'énergie par rapport au mécanisme de fonctionnement côté auxiliaire par l'intermédiaire d'une came côté auxiliaire (116), le mécanisme de fonctionnement côté primaire et le mécanisme de fonctionnement côté auxiliaire étant assemblés transversalement sur la base avant.
  6. Appareil de commutation de transfert selon la revendication 1, dans lequel la base avant et la base arrière sont des bases d'isolation.
  7. Appareil de commutation de transfert selon la revendication 1, comprenant en outre un contact auxiliaire (111), des barrettes de bornes (112), un électro-aimant de fermeture (121), un déclencheur de shunt (122) et des contacteurs (123).
EP13832595.6A 2012-08-30 2013-08-28 Appareil de commutateur de transfert automatique Active EP2892068B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201210315582.3A CN103681025B (zh) 2012-08-30 2012-08-30 转换开关电器
PCT/CN2013/082434 WO2014032581A1 (fr) 2012-08-30 2013-08-28 Appareil de commutateur de transfert automatique

Publications (3)

Publication Number Publication Date
EP2892068A1 EP2892068A1 (fr) 2015-07-08
EP2892068A4 EP2892068A4 (fr) 2016-05-04
EP2892068B1 true EP2892068B1 (fr) 2024-04-17

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EP13832595.6A Active EP2892068B1 (fr) 2012-08-30 2013-08-28 Appareil de commutateur de transfert automatique

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EP (1) EP2892068B1 (fr)
CN (1) CN103681025B (fr)
BR (1) BR112015004067B1 (fr)
WO (1) WO2014032581A1 (fr)

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CN106783284B (zh) 2015-11-24 2018-12-21 施耐德电气工业公司 双电源转换开关
CN108335930A (zh) * 2017-01-19 2018-07-27 乐素能电气（上海）有限公司 一体式转换开关装置及其智能维护方法和带有一体式转换开关装置的中压开关柜
CN107026596B (zh) * 2017-03-16 2024-02-09 上海电机集团梅山电机有限公司 一种电机节能双速转换器

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CN101350260A (zh) * 2008-09-03 2009-01-21 深圳市泰永科技股份有限公司 交直流混合装置的自动转换开关电器
CN101826403B (zh) * 2009-03-05 2012-07-25 上海电科电器科技有限公司 单操作轴的双储能操作机构
KR101082216B1 (ko) * 2009-08-14 2011-11-09 엘에스산전 주식회사 자동제어 절환기기의 절환 장치
CN102543495B (zh) * 2012-02-29 2015-07-01 环宇集团有限公司 双电源自动转换开关

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EP2892068A1 (fr) 2015-07-08
BR112015004067B1 (pt) 2021-07-27
CN103681025A (zh) 2014-03-26
BR112015004067A2 (pt) 2017-07-04
EP2892068A4 (fr) 2016-05-04
CN103681025B (zh) 2016-06-01

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