WO2013098048A1 - Ensemble de transmission d'un disjoncteur et disjoncteur correspondant - Google Patents

Ensemble de transmission d'un disjoncteur et disjoncteur correspondant Download PDF

Info

Publication number
WO2013098048A1
WO2013098048A1 PCT/EP2012/074329 EP2012074329W WO2013098048A1 WO 2013098048 A1 WO2013098048 A1 WO 2013098048A1 EP 2012074329 W EP2012074329 W EP 2012074329W WO 2013098048 A1 WO2013098048 A1 WO 2013098048A1
Authority
WO
WIPO (PCT)
Prior art keywords
fixed
connecting rod
main shaft
fixed frame
circuit breaker
Prior art date
Application number
PCT/EP2012/074329
Other languages
German (de)
English (en)
Inventor
Jun Feng WANG
Cheng Shen
Original Assignee
Siemens Aktiengesellschaft
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.)
Filing date
Publication date
Application filed by Siemens Aktiengesellschaft filed Critical Siemens Aktiengesellschaft
Priority to CN201290001088.3U priority Critical patent/CN204130375U/zh
Publication of WO2013098048A1 publication Critical patent/WO2013098048A1/fr

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
    • H01H33/60—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
    • H01H33/66—Vacuum switches
    • H01H33/666—Operating arrangements
    • 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
    • H01H3/46—Driving mechanisms, i.e. for transmitting driving force to the contacts using rod or lever linkage, e.g. toggle
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
    • H01H33/02—Details
    • H01H33/022—Details particular to three-phase circuit breakers
    • 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
    • H01H9/0072—Details of switching devices, not covered by groups H01H1/00 - H01H7/00 particular to three-phase switches

Definitions

  • This invention relates to a transmission assembly, and more particularly relates to a transmission assembly of a power switch. This invention also relates to a circuit breaker having this transmission assembly.
  • a transmission assembly of a circuit breaker may be used for transmitting a movement of a main shaft to a contact of a circuit breaker to realize the operation of closing and disconnecting the circuit breaker.
  • the main shaft of the present circuit breaker is usually located at the end part, the rotation of the main shaft must pass through a relatively long transmission chain before the contacts can be set in motion, the transmission assembly has a large footprint, complicated parts, high cost and high installation difficulty.
  • the object of this invention is to provide a transmission assembly of a circuit breaker which has a simple structure, low cost and easy assembly.
  • Another object of this invention is to provide a circuit breaker having said transmission assembly, the structure of which is simple and easy to assemble.
  • This invention provides a transmission assembly of a circuit breaker provided for transmitting a movement of a main shaft to a contact of the circuit breaker and comprising a fixed frame, three pairs of crank arms, a connecting rod, three fixed contact carriers and a connecting shaft of the main shaft.
  • the main shaft of the circuit breaker may be provided on the fixed frame.
  • Three pairs of crank arms are arranged on the fixed frame, each pair of crank arms are respectively disposed on the two sides of the fixed frame, on each crank arm there are a connecting end of the connecting rod, a connecting end of the fixed carrier and a fixed end.
  • each pair of crank arms is hingedly connected to each of the fixed frames.
  • the connecting rod is disposed on the side surface of the fixed frame, the connecting end of the connecting rod of each crank arm is hinged to the connecting rod, respectively.
  • Three fixed contact carriers may be connected to the contact of the circuit breaker, each fixed contact carrier may be hingedly connected by a connecting axis of the fixed carrier to the connecting end of the fixed support of the crank arm.
  • the connecting shaft of the main shaft can turn following the main shaft of the circuit breaker, the connecting arm of the main shaft is hingedly connected to the corresponding connecting rod by a drive shaft of the connecting rod which is attached to the fixed frame.
  • the connecting shaft of the main shaft after rotation with the main shaft, can move the connecting rod articulated therewith in motion, the connecting rod can set in motion the connecting end of the connecting rod of the crank arm pivotally connected thereto, thereby turning the connecting end of the fixed beam of the crank arm into one Rotary movement is offset about the fixed end of the crank arm and the fixed contact carrier articulated with the connection axis of the fixed support is set in motion to realize the transmission of a movement of a main shaft to a contact. Since the main shaft provided on the fixed frame through can be, thereby reducing the space requirement of the main shaft and the transmission assembly in the circuit breaker, transmission parts can be saved, the structure is simple and easy installation.
  • the fixed frame comprises two oppositely disposed fixed plates, each pair of crank arms are respectively disposed on the outside of the corresponding fixed plate, and two connecting arms are also respectively disposed on the outside of the corresponding fixed plate. and on the two fixed plates are each provided connecting arm long holes which provide the movement of the drive shaft of the connecting rod.
  • each crank arm may be connected to the fixed one by a crank arm pivot shaft provided on the fixed frame Be articulated frame. This structure is simpler, the assembly is less complicated.
  • the connecting end of the connecting rod of each crank arm may be hinged to the connecting rod through a connecting axis of the connecting rod provided on the fixed frame. This structure is simpler, the assembly is less complicated.
  • the crank arm has a triangular shape, the connecting end of the connecting rod, the connecting end of the fixed carrier and the fixed end are respectively disposed on the three corners of the crank arm.
  • the above construction can make the transmission of the movement even more stable.
  • a schematic embodiment of the transmission assembly of a circuit breaker may be disposed on the fixed frame a recess in which the connection axis of the fixed support is placed, and the connection axis of the fixed support will allow a common movement with the fixed contact carrier. This structure is simpler, the assembly is less complicated.
  • This invention also provides a circuit breaker comprising a transmission subassembly, a main shaft and three contacts provided by this invention.
  • the main shaft may be provided through the fixed frame of the transmission assembly and may cause said main shaft connecting arm to rotate.
  • the contacts may be connected to the fixed contact carriers of the transfer assembly.
  • FIG. 1 shows a schematic representation for describing a schematic embodiment of the transmission module of a circuit breaker. shows a spatial schematic exploded view of the transmission shown in Figure 1 transmission assembly of a circuit breaker. serves to describe the operation of the transmission module of a circuit breaker.
  • Figure 1 shows a schematic representation of a schematic construction of the transmission module of a circuit breaker.
  • the main shaft 30 of the circuit breaker may be provided on the fixed frame 12 therethrough.
  • the contact 40 of the circuit breaker may then connect to the fixed contact carrier 245.
  • the transfer module of a circuit breaker can be used for
  • FIG. 2 shows a spatial schematic exploded view of a schematic embodiment of the transmission module of a circuit breaker shown in FIG.
  • the transmission assembly of a circuit breaker includes a fixed frame 12, two connecting rods 16a and 16b, two connecting arms of the main shaft 18a and 18b, three pairs of crank arms 14a and 14b, and three fixed contact carriers 245.
  • crank arms 14a and 14b are arranged on the fixed frame 12. Each pair of crank arms 14a and 14b is disposed on the two sides of the fixed frame 12, respectively. Each crank arm 14a, 14b has a connecting end of the connecting rod 142a, 142b, a connecting end of the fixed one Carrier 144a, 144b and a fixed end 146a, 146b. The fixed end 146a, 146b of the pair of crank arms 14a, 14b is hinged to the fixed frame 12, respectively. In the schematic embodiment shown in FIG. 2, the two connecting rods 16 a and 16 b are respectively disposed on both sides of the fixed frame 12.
  • the connecting end of the connecting rod 142a, 142b of each crank arm 14a, 14b is hingedly connected to the respective connecting rod 16a, 16b, respectively.
  • the connection axis of the connecting rod 242 is provided on the fixed frame 12 therethrough.
  • Three fixed contact carriers 245, which can be connected to the contacts, can each be articulated by the connecting axis of the fixed carrier 244 to the connecting ends of the fixed carrier 144a and 144b.
  • Two connecting arms of the main shaft 18a, 18b are hingedly connected to the connecting rod 16a, 16b by the driving axis of the connecting rod 182, respectively.
  • the drive axis of the connecting rod 182 is provided on the fixed frame 12 passing therethrough.
  • the connecting arm of the main shaft 18, after being rotated following the main shaft 30, can set the connecting rod 16 articulated therewith in motion, and the connecting rod 16 can pivot the connecting end of the connecting rod 142 of the crank arm hinged thereto causing the connecting end of the fixed support 144 of the crank arm to rotate about the fixed end 146 of the crank arm and to set in motion the fixed contact support 245 hingedly connected to the connecting axis of the fixed support 244 to stop the transfer of the Movement of the main shaft 30 to realize the contact 40.
  • FIG. 3 serves to describe the working process of the transmission module of a circuit breaker shown in FIGS. 1 and 2.
  • FIGS. 1 and 2 For the sake of simplicity, only a part within one of the connecting rods 16 and a crank arm 14 connected thereto are shown schematically in the figure. The operation of the other two crank arms is thus completely identical, which is why they are omitted in the figure 3 and in the corresponding description.
  • the connecting rod 16 is connected to the connecting axis of the connecting rod 242.
  • the connecting rod 16 moves to the right, it can set the connecting shaft of the connecting rod 242 in motion and further sets the crank arm 14 pivotally connected to the connecting shaft of the connecting rod 242 to rotate about the crank arm pivot shaft 246 mounted on the fixed frame 12 until reaching the position indicated by a dashed line in the figure, and also causes the fixed contact carrier 245 articulated on the connecting axis of the fixed carrier 244 to move upwardly to realize the control of the contacts of the circuit breaker. Sieren.
  • Figure 3 shows only one side of the transfer assembly illustrated in Figures 1 and 2, however, those skilled in the art can understand that due to the existence of the connecting axis of the connecting rod 242, the connecting axis of the fixed support 244 and the crank arm pivot shaft 246 is a synchronous movement between each pair of crank arms 14, that is, the other side of the transfer assembly performs an action analogous to said operation.
  • the crank arm 14 in Figure 1 is a triangular shape.
  • the connecting rod 142, the connecting end of the fixed carrier 144, and the fixed end 146 are respectively disposed on the three corners of the crank arm 14.
  • the crank arm 14 may take on a different construction and shape.
  • the recess 124 is arranged, in which the connection axis of the fixed support 244 can be placed, and allows the connection axis of the fixed support 244 to move together with the said fixed contact support 245.
  • the fixed frame may also take on a different structure and form.
  • the fixed frame 12 in Fig. 2 comprises two opposing fixed plates 122a and 122b, and each pair of crank arms 14a and 14b are disposed on the outside of the two fixed plates 122a and 122b, respectively. If this construction is used, a simple set-up and straightforward installation can be achieved if the fixture is guaranteed. Of course, according to different design requirements, the fixed frame 12 may also take on a different construction or form.
  • each connecting rod 16a and 16b is disposed on the outer side of the two fixed plates 122a and 122b, respectively, and each connecting rod 16a and 16b is respectively connected to the connecting end of the connecting rod 142a and 142b of the three Paired crank arms 14a and 14b on each fixed plate 122 hinged.
  • the strength of the structure can be strengthened so that the process of transmitting the movement is more stable.
  • a different number of connecting rods may be constructed according to different design requirements.
  • a connecting rod can be constructed between two fixed plates for carrying out the aforementioned transferring operation.
  • the transmission assembly in Figure 2 comprises two connecting arms of the main shaft 18a and 18b.
  • Each connecting arm of the main shaft 18a and 18b may be respectively disposed on the outside of the two fixed plates 122a and 122b, between the two connecting arms 18a and 18b may be connected by the driving axis of the connecting rod 182, and the two connecting arms of the main shaft 18a and 18b through the drive shaft of the connecting rod 182 with the connecting rod 16a and 16b on both sides articulating, and on the two fixed plates 122a and 122b, there is provided a connecting arm long hole 128a and 128b which can provide movement of the driving axis of the connecting arm 182.
  • connecting rods may be constructed according to different design requirements. For example, if, as mentioned, only one connecting rod can be connected between two fixed plates. is constructed, even a connecting arm of the main shaft are constructed to carry out the transfer operation.
  • the fixed ends 146a and 146b of the individual crank arms in FIG. 2 can each be hinged to the fixed frame 12 by a crank arm pivot shaft 246 provided on the fixed frame 12.
  • the axis lines of each individual Kurbelarmgelenkwelle are in the same plane, so that in the process of transmission, the direction of movement of each crank arm tends to match.
  • two axle protrusions arranged on one and the same axis line may be used for realization, so that the fixed ends 146a and 146b of each crank arm are hinged to the fixed frame 12 by an axle protrusion, respectively.
  • the connecting end of the connecting rod 142a and 142b of each crank arm in Fig. 2 may be hingedly connected to the connecting rod 16a and 16b by a connecting shaft of the connecting rod 242 provided on the fixed frame 12, and on both sides of the fixed frame 12, respectively Connecting axle long hole 123 is provided, which can provide the movement of the connecting axis of the connecting rod 242 (in the figure only one marked).
  • Connecting axle long hole 123 is provided, which can provide the movement of the connecting axis of the connecting rod 242 (in the figure only one marked).
  • this invention also provides a circuit breaker.
  • the circuit breaker comprises a transmission assembly mentioned, a main shaft 30 and three contacts 40 (in Figure 1 only one schematically drawn).
  • the main shaft 30 may be provided through the fixed frame of the transmission assembly and may rotate the connecting arm of the main shaft.
  • the contact 40 may be connected to the fixed contact carrier of the transfer assembly.
  • the fixed frame can be penetrated by the main shaft and use the main shaft connecting arm to realize the simultaneous movement between the main shaft and the crank arm. It can be saved space, which is occupied by the main shaft and the transmission assembly, also the structure is simple and it saves items, which simplifies installation.

Landscapes

  • Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
  • Breakers (AREA)

Abstract

L'invention concerne un ensemble de transmission d'un disjoncteur, prévu pour transmettre le mouvement d'un arbre principal (30) à un contact (40) du disjoncteur et comprenant un cadre fixe (12), trois paires de manivelles (14), une tringle de liaison (16), trois supports de contacts fixes (245) et un bras de liaison à l'arbre principal (18). L'arbre principal du disjoncteur peut être disposé de telle manière qu'il traverse le cadre fixe. Chaque manivelle présente une extrémité de liaison de la tringle de liaison, une extrémité de liaison du support fixe et une extrémité fixe. L'extrémité fixe de la manivelle est reliée de manière articulée au cadre fixe, l'extrémité de liaison de la tige de liaison est reliée de manière articulée à cette dernière, l'extrémité de liaison du support fixe est reliée de manière articulée au support de contacts fixes par l'intermédiaire de l'axe de liaison du support fixe (244). La rotation de l'arbre principal traversant le cadre fixe met successivement en mouvement le bras de liaison, la tige de liaison, les manivelles et les supports de contacts fixes, réalise la commande des contacts, cette structure étant peu complexe et simple à monter, et permettant des économies en éléments de transmission.
PCT/EP2012/074329 2011-12-29 2012-12-04 Ensemble de transmission d'un disjoncteur et disjoncteur correspondant WO2013098048A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201290001088.3U CN204130375U (zh) 2011-12-29 2012-12-04 断路器的传导装置及其断路器

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN2011104521269A CN103187211A (zh) 2011-12-29 2011-12-29 断路器的传导装置及其断路器
CN201110452126.9 2011-12-29

Publications (1)

Publication Number Publication Date
WO2013098048A1 true WO2013098048A1 (fr) 2013-07-04

Family

ID=47561526

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2012/074329 WO2013098048A1 (fr) 2011-12-29 2012-12-04 Ensemble de transmission d'un disjoncteur et disjoncteur correspondant

Country Status (2)

Country Link
CN (2) CN103187211A (fr)
WO (1) WO2013098048A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114664581B (zh) * 2021-12-24 2023-09-29 河南平高通用电气有限公司 户外三位置开关的驱动连杆组件及户外三位置开关

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4225763A (en) * 1978-03-23 1980-09-30 General Electric Company Means for suppressing contact-separation at the end of a vacuum circuit-breaker closing operation
EP0707330A1 (fr) * 1994-10-14 1996-04-17 Gec Alsthom T Et D Sa Disjoncteur auto-sectionneur
US20020067230A1 (en) * 2000-12-04 2002-06-06 Yoon Seok Jung Vacuum circuit breaker
WO2004100198A1 (fr) * 2003-05-09 2004-11-18 Eaton Electric B.V. Dispositif de commande electromagnetique
WO2008043665A1 (fr) * 2006-10-13 2008-04-17 Abb Technology Ag Dispositif de commutation pour système d'alimentation électrique

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101100707B1 (ko) * 2009-12-31 2012-01-02 엘에스산전 주식회사 진공차단기

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4225763A (en) * 1978-03-23 1980-09-30 General Electric Company Means for suppressing contact-separation at the end of a vacuum circuit-breaker closing operation
EP0707330A1 (fr) * 1994-10-14 1996-04-17 Gec Alsthom T Et D Sa Disjoncteur auto-sectionneur
US20020067230A1 (en) * 2000-12-04 2002-06-06 Yoon Seok Jung Vacuum circuit breaker
WO2004100198A1 (fr) * 2003-05-09 2004-11-18 Eaton Electric B.V. Dispositif de commande electromagnetique
WO2008043665A1 (fr) * 2006-10-13 2008-04-17 Abb Technology Ag Dispositif de commutation pour système d'alimentation électrique

Also Published As

Publication number Publication date
CN204130375U (zh) 2015-01-28
CN103187211A (zh) 2013-07-03

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