WO2018207957A1 - Commutateur de transfert à transition fermée à n phases - Google Patents

Commutateur de transfert à transition fermée à n phases Download PDF

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Publication number
WO2018207957A1
WO2018207957A1 PCT/KR2017/004862 KR2017004862W WO2018207957A1 WO 2018207957 A1 WO2018207957 A1 WO 2018207957A1 KR 2017004862 W KR2017004862 W KR 2017004862W WO 2018207957 A1 WO2018207957 A1 WO 2018207957A1
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WO
WIPO (PCT)
Prior art keywords
terminal
power supply
load
linker
emergency power
Prior art date
Application number
PCT/KR2017/004862
Other languages
English (en)
Korean (ko)
Inventor
문성환
Original Assignee
오성기전주식회사
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 오성기전주식회사 filed Critical 오성기전주식회사
Priority to KR1020197032884A priority Critical patent/KR102264782B1/ko
Priority to PCT/KR2017/004862 priority patent/WO2018207957A1/fr
Publication of WO2018207957A1 publication Critical patent/WO2018207957A1/fr

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
    • H01H71/08—Terminals; Connections
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
    • H01H71/10—Operating or release mechanisms
    • 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
    • H01H9/30—Means for extinguishing or preventing arc between current-carrying parts
    • H01H9/40—Multiple main contacts for the purpose of dividing the current through, or potential drop along, the arc
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
    • H02J9/04—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
    • H02J9/06—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2239/00—Miscellaneous
    • H01H2239/03—Avoiding erroneous switching

Definitions

  • the present invention relates to an N-phase overlap switching switch, and more particularly, the neutral contact (N phase contact) of the commercial power supply and the neutral contact (N phase contact) of the emergency power source to ensure stable operation of various equipment on the load side.
  • the present invention relates to an N-phase overlap switching switch that can be transferred to each other after being overlapped.
  • the automatic power switch also known as the emergency power switch, is composed of emergency power (generator or KEPCO reserve line power) in addition to the commercial power supplied by KEPCO. It is a device that automatically switches (converts) to emergency power when supply is not made.
  • the automatic switching switch normally connects a commercial power supply 11 with a load 19 to supply power from the commercial power supply 11 to the load 19, and the commercial power supply.
  • the emergency power supply 12 and the load 19 are connected to supply power from the emergency power supply 12 to the load 19.
  • the automatic switching switch 13 includes a first fixed terminal 13-1 connected with a commercial power supply 11 that normally supplies power, a second fixed terminal 13-2 connected with an emergency power supply 12, and a load 19. Loads power from any one of the commercial power source 11 and the emergency power source 12 by connecting the third fixed terminal 13-3 and the first fixed terminal or the second fixed terminal and the third fixed terminal And a movable terminal 13-4 to be supplied to the 19) side.
  • the automatic switching switch 13 is usually connected to the commercial power supply 11 to supply power to the load 19 side, if the abnormality of the commercial power supply 11 is detected commercial power ( 11) the connection between the load 19 and the load 19 is disconnected and the emergency power supply 12 and the load 19 are connected to supply power from the emergency power supply 12 to the load 19 side.
  • the extinction time of the arc is about 10 ⁇ 12ms, various equipment on the load (19) side can be protected only 10 ⁇ 12ms after the neutral contact (N phase) than the other three contacts (R, S, T phase) have.
  • the above-described conventional general automatic switching switch may be insufficient to protect the equipment on the load side since the time difference between the neutral contact (N phase) and the other three contacts (R, S, T phase) is within 10 ms.
  • the automatic switching switch applied to the power generation equipment of broadcasting and telegraph telephone stations, military communication and radar facilities, banks and computer facilities, various electric furnaces, petrochemical plants, etc. If a physical time difference occurs, it may cause a problem that an instantaneous power failure may occur even though it is a short time. At this time, the phase of the voltage energized to the load 19 side and the emergency power supply 12 side at the time of power failure may be caused. When the phases of the voltages on the emergency power supply 12 side are different from each other when connected, there is a problem that an unexpected high voltage may be generated and damage to electronic equipment may occur.
  • the non-linear load raises the earth potential, which causes a potential difference between the earth and the neutral wire.
  • the neutral wire is separated from the load side and the reference potential is not established. There was a problem.
  • the present invention has been made to solve the above problems, the object of the present invention by overlapping the neutral contact of the commercial power supply and the emergency contact of the emergency power supply to each other, the various electronic equipment of the load side is protected and more stable operation It is to provide an N-phase overlap switching switch so that it can be.
  • the present invention provides a case in which a load terminal is installed; a commercial power terminal and an emergency power terminal respectively installed on one side and the other side of the case and provided to be in contact with the load terminal; Alternating switching means for alternately switching between the power terminal and the emergency power terminal, the switching is performed after the commercial power terminal and the emergency power terminal are both contacted to the load terminal so that no physical lag occurs in the transfer time.
  • the overlap transfer means a pair of rotation means respectively provided on one side and the other side of the case; a plurality of linkers disposed to cross each other between the pair of rotation means, the commercial power source terminal and the emergency power terminal;
  • the plurality of linkers A connecting body connecting the ends of the linkers to each other so as to be interlocked with each other, wherein the linkers
  • the linkers As such, to provide the N nested switching transfer switch, it characterized in that the commercial power supply terminal and the emergency power supply terminal so that the contact point or contact point alternately in both the load terminals.
  • the commercial power terminal and the emergency power terminal respectively, the fixed terminal, and the movable terminal connected to the fixed terminal and rotated toward the load terminal, the contact terminal and separated from the load terminal, the linker, each rotating means
  • one end of the connecting member includes a rotation shaft axially coupled to the case between the movable terminal, the other end of the connecting member is moved along the straight long hole and the curved long hole, and comprises a connecting shaft for connecting a plurality of linkers It is desirable to.
  • the N-phase overlap switching switch according to the present invention has the following effects.
  • the commercial power source and the emergency power source are overlapped and connected to the load side at the neutral contact point (N phase) even after switching is performed at three contacts (R, S, T phases). Problems such as high voltage and malfunction in the connected electronic equipment can be prevented.
  • the electronic equipment can be stably operated.
  • FIG. 1 is a view showing a circuit configuration of an automatic switching switch according to the prior art
  • Figure 2 is an exploded perspective view showing the main components of the N-phase overlapping switching switch in accordance with a preferred embodiment of the present invention
  • Figure 3a to Figure 3g is an operation diagram showing the operation of the N-phase overlapping switching switch in accordance with a preferred embodiment of the present invention.
  • switch switch N-phase overlap switching switch
  • the transfer switch is overlapped between the commercial power supply terminal and the emergency power terminal at the neutral contact (N phase) even after switching is performed at the three contact points (R, S, T phase).
  • the transfer switch includes a case 100, a power supply terminal 200, and an overlapping switching means 300.
  • the case 100 configures the appearance of the transfer switch, and protects various components.
  • the case 100 is preferably an insulating material.
  • the power supply terminal 200 provides an increasing current between the commercial power source or the emergency power source and the electronic device on the load side, the load terminal 210, the commercial power supply terminal 220, and the emergency power supply terminal 230. It consists of.
  • the load terminal 210 is a terminal for supplying power to electronic equipment and is fixed to the case 100.
  • the load terminal 210 is preferably fixed to the lower case 100, as shown in the accompanying drawings.
  • the commercial power supply terminal 220 is a configuration in which a current flows from a supply source such as Korea Electric Power, which is always supplied with power, and for convenience of description, a terminal configured on the left side of the drawing (FIG. 3A) is referred to as a commercial power supply terminal 220.
  • the commercial power supply terminal 220 is composed of a fixed terminal 221 and a movable terminal 222.
  • the fixed terminal 221 is a portion connected to the commercial power source, is fixed to one side of the case 100.
  • the movable terminal 222 serves to energize or disconnect the current supplied from the fixed terminal 221 to the load terminal 210 and is connected to the fixed terminal 221.
  • the movable terminal 222 is rotatably coupled to one side of the fixed terminal 221.
  • the movable terminal 222 is rotated about an axis at one side of the fixed terminal 221 to be in contact with the load terminal 210 or separated from the load terminal 210.
  • the movable terminal 222 is always in contact with the load terminal 210 at normal times, and in an emergency, the movable terminal 222 is rotated through the overlapping switching means 300 to be described later to be separated from the load terminal 210.
  • the fixed terminal and the movable terminal constituting the commercial power supply terminal 220 are referred to as a first fixed terminal 221 and a first movable terminal 222.
  • the emergency power supply terminal 230 is a terminal to which power is supplied from the spare power in an emergency, and is installed at the other side of the case 100.
  • the terminal configured on the right side of the drawing (FIG. 3A) is called an emergency power terminal.
  • the emergency power terminal 230 also includes a fixed terminal 231 and a movable terminal 232.
  • the fixed terminal and the movable terminal constituting the emergency power terminal 230 are referred to as the second fixed terminal 231 and the second movable terminal 232.
  • the second fixing terminal 231 is a part connected to the emergency power source, and is fixed to the other side of the case 100.
  • the second movable terminal 232 serves to energize or disconnect the current supplied from the second fixed terminal 231 to the load terminal 210, and is connected to the second fixed terminal 231.
  • the second movable terminal 232 is rotatably coupled to one side of the second fixed terminal 231.
  • the second movable terminal 232 is rotated about an axis at one side of the second fixed terminal 231 while being in contact with the load terminal 210 or separated from the load terminal 210.
  • the second movable terminal 232 is normally separated from the load terminal 210, and in an emergency, the second movable terminal 232 is rotated through the overlapping switching means 300, which will be described later, to be a contact to the load terminal 210.
  • the overlapping switching means 300 is an intermediary means for switching between the commercial power supply terminal 220 and the emergency power supply terminal 230 as described above.
  • the first movable terminal 222 and the second movable part are precisely performed.
  • the terminal 232 is rotated so that both the first movable terminal 222 and the second movable terminal 232 are in contact with the load terminal 210, or the first movable terminal 222 and the second movable terminal 232. Alternately serve to make contact with the load terminal 210.
  • the overlap transfer means 300 includes a rotation means 310, a linker 320, and a connecting body 330.
  • Rotating means 310 is a means for generating power for operating the linker 320, is provided in a pair.
  • Rotating means 310 is axially coupled to one side and the other side of the case 100, respectively, may be rotated manually or may be configured to be automatically rotated through a control signal.
  • the rotating means 310 provided on one side of the case 100 is referred to as a first rotating means 311, and the rotating means 310 provided on the other side of the case 100 is referred to as a second rotating means 312.
  • the linker 320 is connected between the rotating means 310 and the movable terminals 222 and 232 and is an intermediary means for interlocking the rotating operation of the rotating means 310 to the movable terminals 222 and 232.
  • the linker 320 performs contact control with the load terminal 210 through the rotation of the movable terminals 222 and 232 while performing a linear motion and a rotational motion through the rotation operation of the rotation means 310.
  • the linker 320 is composed of a straight linker 321 and the lifting linker 322.
  • the straight linker 321 is linked to the rotation operation of the rotation means 310, it is installed on each rotation means (310).
  • each linear linker 321 is axially coupled to the end of the rotating means 310, the other end of each of the linear linker 321 is a straight long hole 323 in the longitudinal direction of the straight linker 321 (hereinafter referred to as' linear long hole) 'Is formed.
  • the linear linker 321 is to be pulled or pushed toward the rotation means 310 by the rotation of the rotation means 310.
  • the straight linker 321 installed on the first rotating means 311 is referred to as a first straight linker 321a
  • the straight linker 321 provided on the second rotating means 312 is a second straight linker 321b. Is called.
  • the straight long hole 323 formed in the first straight linker 321a is called the first straight long hole 323a
  • the straight long hole 323 formed in the second straight linker 321b is called the second straight long hole 323b. do.
  • the lifting linker 322 rotates the movable terminals 222 and 232 while interlocking with the straight linker 321 by the rotation operation of the rotating means 310.
  • the lifting linker 322 extends from each of the movable terminals 222 and 232, and one end thereof is fixed to the movable terminal.
  • the lift linker 322 installed on the first movable terminal 222 is referred to as a first lift linker 322a, and the lift linker 322 extended to the second movable terminal 232 is a second lift linker ( 322b).
  • the elevating linker 322 is formed with a curved long hole 324 (hereinafter, referred to as a "curve long hole”) in the longitudinal direction of the elevating linker 322.
  • the curved hole 324 is formed to be rounded with a predetermined curvature on the lifting linker 322.
  • the curved long hole 324 formed in the first lifting linker 322a is called the first curved hole 324a
  • the curved long hole 324 formed in the second lifting linker 322b is called the second curved hole 324b. do.
  • the curvature of the curved long hole 324 is formed to be located at a point away from the radius of curvature of the rotation of the connector to be described later.
  • the connecting body 330 is an intermediary means for interlocking the straight linker 321 and the lifting linker 322 which cross each other through the rotation operation of the rotating means 310.
  • the connecting body 330 is installed between the first movable terminal 222 and the second movable terminal 232.
  • One end of the connector 330 is axially coupled to the case 100 through the rotation shaft 331, and the other end of the connector 330 is a straight long hole 323 and a curved long hole of the linkers 320 intersected with each other. It is coupled with the linkers 320 through the connecting shaft 332 passed through 324.
  • the connector 330 having such a configuration is rotated about the rotation shaft 331, and the connection shaft 332 moves along the curved long hole 324 and the straight long hole 323, and the straight linker 321 and In response to the movement by interfering with the lifting linker 322, the movable terminals 222 and 232 are rotated, and the contact and separation to the load terminal 210 can be made.
  • the support means 400 is preferably installed between the connecting shaft 332 and the case 100.
  • the support means 400 serves to elastically support the linkage of the linker 320, and is intended to allow the linker 320 to be flexible.
  • One end of the support means 400 is axially coupled between the pair of rotating means 310, and the other end of the support means 400 is connected to the connecting shaft 332.
  • the support means 400 is provided with a spring 410 that the elastic force acts toward both ends of the support means 400.
  • One end of the linear linker 321 and the lifting linker 322 is installed in each of the rotating means 310 and the movable terminals 222 and 232, and the other end of the straight linker 321 and the lifting linker 322 is provided in the case 100. It is located in the middle of the intersection with each other.
  • the connecting shaft 332 of the connecting body 330 is inserted into the crossed straight hole 323 and the curved long hole 324 is in a state supporting each linker 320.
  • the combined switching switch as described above is normally in a state in which contacts are provided to supply power from a commercial power source, as shown in FIG. 3A.
  • the first movable terminal 222 is in contact with the load terminal 210, and the second movable terminal 232 is separated from the load terminal 210.
  • the connecting body 330 is inclined to the right side in the drawing, the support means 400 is a state in which it is elastically supported.
  • the connecting shaft 332 is positioned at the highest point of the first curved hole 324a of the first lifting linker 322a to support the first lifting linker 322a, and at the same time the first lifting linker 322b is made of the second lifting linker 322b.
  • the state is located at the lowest point of the two curved long holes 324b.
  • This switching action may be achieved by manually operating the rotating means 310, it is also possible for the rotating means 310 to be automatically rotated through an electrical signal to perform the switching action automatically.
  • the first rotating means 311 is rotated in the clockwise direction as shown in FIG. 3B.
  • the first linear linker 321a is moved to the left side in connection with the first rotation means 311.
  • the first rotation means 311 continues to rotate, and in the case of manual rotation, the rotation of the first rotation means 311 is stopped by the stopper S formed at one side of the first rotation means 311.
  • the second movable terminal 232 is lowered together with the second lifting linker 322b to be in the state of being loaded on the load terminal 210.
  • both the commercial power supply terminal 220 and the emergency power supply terminal 230 are in contact with the load terminal 210 and are in a state of overlap switching.
  • the second rotating means 312 is rotated clockwise manually or automatically.
  • the second linear linker 321b is interlocked by the second rotation means 312 and moved to the left in the drawing, and the connecting shaft 332 of the connecting body 330 standing vertically is the second linear length hole 323b. ) And is moved to the left in the drawing as shown in FIG. 3D.
  • the support means 400 that was elastically supporting the connecting shaft 332 is rotated in the clockwise direction while the spring 410 is stretched as the critical point is crossed.
  • connecting shaft 332 is moved along the first straight hole 323a and is moved to the lowest point along the first curved hole 324a.
  • the first lifting linker 322a is raised, which is a central axis of the curvature of the first curved hole 324a. This is because it is comprised in the position which deviated from the rotation center axis of this connecting body 330.
  • the second rotating means 312 is rotated in the counterclockwise direction.
  • the second straight linker 321b is interlocked by the second rotating means 312 and is moved to the right in the drawing as shown in FIG. 3E.
  • the first rotating means 311 is rotated in the counterclockwise direction.
  • the connecting shaft 332 of the connecting body 330 also interferes with the end of the first straight hole 311, is moved to the right in the drawing.
  • the rotation range of the first rotating means 311 is up to the state that the connecting body 330 is standing vertically.
  • the support means 400 is rotated counterclockwise as the spring 410 is stretched to elastically support the vertical state of the connector 330.
  • the first movable terminal 222 is also lowered to be a contact to the load terminal 210, the overlapping switching state in which both the commercial power supply terminal 220 and the emergency power terminal 230 is in contact with the load terminal 210 .
  • the first linear linker 321a is further moved to the right by interlocking with the continuous rotation of the first rotating means 311, and the connecting shaft 332 interferes with the end of the first straight hole 323a. It is moved to the right as shown in 3g.
  • the support means 400 also elastically supports the connecting shaft 332 after the spring 410 is stretched and rotated counterclockwise.
  • the connecting shaft 332 is moved to the lowest point along the second curved hole 324b, the second lifting linker 322b is raised, which is the central axis of the curvature of the second curved hole 324b. It is because it is comprised in the position which deviated from the rotation center axis of this connecting body 330.
  • the N-phase overlap switching switch according to the present invention has a technical feature of switching between the commercial power supply and the emergency power by overlapping the neutral contact of the commercial power supply and the neutral contact of the emergency power supply.
  • Load terminal 220 Commercial power terminal
  • first fixed terminal 222 first movable terminal
  • rotation means 311 first rotation means
  • connecting shaft 400 support means

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  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Keying Circuit Devices (AREA)

Abstract

La présente invention porte sur un commutateur de transfert à transition fermée à N phases, et plus particulièrement sur un commutateur de transfert à transition fermée à N phases configuré de telle sortie qu'un transfert se produit pendant qu'un contact neutre pour une alimentation électrique normale et un contact neutre pour une alimentation électrique de secours se chevauchent, ce qui permet de protéger de manière plus sûre divers types d'équipement électronique sur le côté de charge. À cet effet, l'invention concerne un commutateur de transfert à transition fermée à N phases comprenant : un boîtier sur lequel est installée une borne de charge ; une borne d'alimentation électrique normale et une borne d'alimentation électrique de secours installées sur un côté et sur l'autre côté du boîtier, respectivement, de telle sorte qu'elles peuvent entrer en contact avec la borne de charge ; et un moyen de transfert fermé pour transférer la borne d'alimentation électrique normale et la borne d'alimentation électrique de secours vers la borne de charge l'une après l'autre de manière que le transfert se produise après que la borne d'alimentation électrique normale et la borne d'alimentation électrique de secours sont toutes les deux en contact avec la borne de charge au cas où un retard temporel physique se produirait pendant le temps de transfert, le moyen de transfert fermé comprenant une paire de moyens de rotation installés sur un côté et sur l'autre côté du boîtier, respectivement, une pluralité d'éléments de liaison agencés pour se croiser parmi la paire de moyens de rotation, la borne d'alimentation électrique normale et la borne d'alimentation électrique de secours, et un connecteur connectant des parties d'extrémité de la pluralité d'éléments de liaison les unes aux autres de manière que la pluralité d'éléments de liaison interagissent entre eux ; et, lorsque les éléments de liaison interagissent entre eux au moyen de la rotation des moyens de rotation, la borne d'alimentation électrique normale et la borne d'alimentation électrique de secours entrent toutes les deux en contact avec la borne de charge ou entrent en contact avec la borne de charge l'une après l'autre.
PCT/KR2017/004862 2017-05-11 2017-05-11 Commutateur de transfert à transition fermée à n phases WO2018207957A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
KR1020197032884A KR102264782B1 (ko) 2017-05-11 2017-05-11 N상 중첩절환 절체스위치
PCT/KR2017/004862 WO2018207957A1 (fr) 2017-05-11 2017-05-11 Commutateur de transfert à transition fermée à n phases

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Application Number Priority Date Filing Date Title
PCT/KR2017/004862 WO2018207957A1 (fr) 2017-05-11 2017-05-11 Commutateur de transfert à transition fermée à n phases

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WO2018207957A1 true WO2018207957A1 (fr) 2018-11-15

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11984706B2 (en) 2021-01-28 2024-05-14 O-Sung Electric Machinery Co., Ltd. Interlock structure of bypass transfer switching device

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102431478B1 (ko) * 2022-01-06 2022-08-12 오성기전 주식회사 N상 오버래핑 구조를 갖는 자동 절환스위치

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20030008696A (ko) * 2001-07-19 2003-01-29 유기현 전원 절환 개폐기의 자동절환 스위치
JP2006040763A (ja) * 2004-07-28 2006-02-09 Shin Aichi Denki Seisakusho:Kk 電源切替開閉装置
KR20060122242A (ko) * 2005-05-26 2006-11-30 김용학 복합식 전원절환 장치
KR20070018742A (ko) * 2005-08-10 2007-02-14 오성기전주식회사 자동절환스위치
KR101421490B1 (ko) * 2013-06-14 2014-07-24 이지콘주식회사 비상전원 절체 개폐기용 핸들

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR200387632Y1 (ko) * 2005-04-11 2005-06-21 오성기전주식회사 전원절체개폐기
KR20070032213A (ko) * 2005-09-16 2007-03-21 주식회사 여기로테크 비상전원 절체개폐기
KR100984031B1 (ko) 2008-08-12 2010-09-28 오성기전주식회사 중성접점 중첩 기능을 구비한 전원절체개폐기의 가동단자축부 및 가동단자부

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20030008696A (ko) * 2001-07-19 2003-01-29 유기현 전원 절환 개폐기의 자동절환 스위치
JP2006040763A (ja) * 2004-07-28 2006-02-09 Shin Aichi Denki Seisakusho:Kk 電源切替開閉装置
KR20060122242A (ko) * 2005-05-26 2006-11-30 김용학 복합식 전원절환 장치
KR20070018742A (ko) * 2005-08-10 2007-02-14 오성기전주식회사 자동절환스위치
KR101421490B1 (ko) * 2013-06-14 2014-07-24 이지콘주식회사 비상전원 절체 개폐기용 핸들

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11984706B2 (en) 2021-01-28 2024-05-14 O-Sung Electric Machinery Co., Ltd. Interlock structure of bypass transfer switching device

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KR20190133049A (ko) 2019-11-29
KR102264782B1 (ko) 2021-06-15

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