WO2021096002A1 - 회로 차단기 - Google Patents
회로 차단기 Download PDFInfo
- Publication number
- WO2021096002A1 WO2021096002A1 PCT/KR2020/004278 KR2020004278W WO2021096002A1 WO 2021096002 A1 WO2021096002 A1 WO 2021096002A1 KR 2020004278 W KR2020004278 W KR 2020004278W WO 2021096002 A1 WO2021096002 A1 WO 2021096002A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- shaft
- gear
- bevel gear
- circuit breaker
- primary
- 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.)
- Ceased
Links
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H73/00—Protective overload circuit-breaking switches in which excess current opens the contacts by automatic release of mechanical energy stored by previous operation of a hand reset mechanism
- H01H73/02—Details
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H3/00—Mechanisms for operating contacts
- H01H3/22—Power arrangements internal to the switch for operating the driving mechanism
- H01H3/30—Power arrangements internal to the switch for operating the driving mechanism using spring motor
- H01H3/3005—Charging means
- H01H3/3015—Charging means using cam devices
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- 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
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- 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
- H01H71/02—Housings; Casings; Bases; Mountings
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2221/00—Actuators
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2235/00—Springs
Definitions
- the present invention relates to a circuit breaker, and relates to a circuit breaker in which a primary bevel gear and a secondary bevel gear are engaged only when a manual shaft handle is inserted.
- a circuit breaker has a fixed contactor and a movable contact that can be moved to a closing (trip) position that is separated from the fixed contactor and opens the energized circuit by contacting the fixed contactor to close the energization circuit. They are brought into contact to allow current to flow. If an overcurrent occurs due to a failure at a predetermined position on the line, the circuit breaker quickly separates the movable contactor from the fixed contactor and cuts the current to protect the internal circuit and accessory parts of the electronic device from overcurrent.
- the circuit breaker as described above is a device used for inputting/blocking high-voltage high-voltage power such as power plants or substations, and has an operating device that can quickly cut off/disconnect the contact points of the fixed and movable contacts in contact when necessary. do.
- the driving method of the operating device may be divided into a manual operation method, a solenoid operation method, and an input spring operation method.
- the input spring control method through the shaft detail unit charges the input spring in a state in which the input spring can be reduced by the rotational force.
- the movable contactor is separated from the fixed contactor by releasing the axial closing spring to block the flow of current.
- a gear of the manual shaft detail part for example, a bevel gear
- a gear of the manual shaft detail part for example, a bevel gear
- the shaft detail part is not used, a state in which rotation is impossible may occur instantaneously according to the processing and assembly state of the bevel gears meshed with each other when the motor of the shaft detail part is operated.
- the bevel gear is in a non-rotatable state as described above, the electric motor cannot be rotated and may be damaged.
- the circuit breaker cannot be charged, the circuit breaker cannot be inserted in an abnormal situation such as an overcurrent.
- An object of the present invention is to provide a circuit breaker capable of preventing burnout and breakage of the shaft detail, even if the manual shaft detail portion is provided.
- a circuit breaker according to the present invention is a circuit breaker comprising a circuit breaker in which contacts of a fixed contactor and a movable contact come into contact with each other, and a shaft detail part for accelerating an input spring for controlling contact between the fixed contact and the movable contactor, and Is, a main shaft detail including a camshaft, a main output gear provided on the camshaft, and a main shaft detail case for accommodating the main output gear; And, an electric shaft detail interlocked with the camshaft, an electric shaft detail interlocked with an external force. It includes; an auxiliary shaft detail portion having a manual shaft detail portion for shafting the input spring by transmitting the external force received by the internal bevel gear engaged by the transmission shaft detail portion.
- the transmission shaft detail includes a camshaft interlocking groove connected to the camshaft, an auxiliary output gear provided in the camshaft interlocking groove, at least an interlocking gear interlocked with the auxiliary output gear, and an electric motor that rotates the interlocking gear.
- the interlocking gear includes a motor gear linked to a rotational shaft of an electric motor, a primary gear linked to an electric motor gear, a primary upper gear linked to a rotational axis of the primary gear, a secondary gear linked to the primary gear, and a secondary gear. It is provided between the auxiliary output gear and includes a secondary gear and a third gear linked to the auxiliary output gear.
- the manual shaft detail unit includes a secondary bevel gear interlocked with the interlocking gear, a primary bevel gear meshing with the secondary bevel gear by an external force, a shaft that is a rotation axis of the primary bevel gear, and a shaft so as to be spaced apart from the primary bevel gear.
- the formed spring support, the rotation key protruding from the end of the shaft to the longitudinal side of the shaft, the bottom plate positioned between the primary bevel gear and the spring support is formed to form a cylindrical open but fixed position on only one side of the bush, and the bush. It is provided between the bottom plate and the spring support and includes a manual shaft spring for imparting an elastic force in the direction of separating the primary bevel gear from the secondary bevel gear.
- the secondary bevel gear may be interlocked with the rotation axis of the integral gear interlocked with the primary upper gear, and the direction of the external force may be clockwise.
- the circuit breaker according to the present invention separates the primary bevel gear and the secondary bevel gear in peacetime and allows the primary bevel gear and the secondary bevel gear to engage only during manual shaft washing, thereby preventing damage and deformation of the shaft detail portion. .
- FIG. 1 to 3 are schematic perspective views of a circuit breaker according to the present invention.
- FIG. 4 is a schematic side view of a circuit breaker in a circuit breaker according to the present invention.
- FIG. 5 is a perspective view of a main shaft detail in a circuit breaker according to the present invention.
- FIG. 6 is a perspective view of an auxiliary shaft detail in the circuit breaker according to the present invention.
- FIG. 7 is a perspective view of an electric shaft detail in the circuit breaker according to the present invention.
- FIG. 8 is a front view of the electric shaft detail in the circuit breaker according to the present invention.
- FIG. 9 is a schematic perspective view of an auxiliary shaft detail in a circuit breaker according to the present invention.
- FIG. 10 is a schematic perspective view of an auxiliary shaft detail portion into which a manual shaft shaft handle is inserted in the circuit breaker according to the present invention.
- FIG. 11 is a schematic exploded perspective view of a manual shaft detail in a circuit breaker according to the present invention.
- FIG. 12 is a perspective view of a manual shaft detail part before the shaft is pressed in the circuit breaker according to the present invention.
- FIG. 13 is a plan view of an auxiliary shaft detail portion in a state before a manual shaft shaft handle is inserted and pressed in the circuit breaker according to the present invention.
- FIG. 14 is a perspective view of a manual shaft detail part after the shaft is pressed in the circuit breaker according to the present invention.
- FIG. 15 is a plan view of an auxiliary shaft detail portion in a state in which a manual shaft handle is inserted and pressed in the circuit breaker according to the present invention.
- top (or bottom) of the component or the “top (or bottom)” of the component means that an arbitrary component is arranged in contact with the top (or bottom) of the component.
- other components may be interposed between the component and any component disposed on (or under) the component.
- FIG. 1 to 3 are schematic perspective views of a circuit breaker according to the present invention.
- 1 is a view from which the door is removed
- FIG. 2 is a view showing the door
- FIG. 3 is a view in which the door cover is opened and a manual shaft handle is inserted.
- the circuit breaker according to the present invention is provided in the main body 100 and the main body 100 so that the contact points of the fixed contactor and the movable contactor contact each other. , It includes a shaft detail portion 300 for shafting the input spring for operating the circuit breaker 200.
- the main body 100 accommodates the circuit blocking part 200 and the shaft detail part 300 therein, and has a door 110 that can be opened or closed on at least one surface.
- the door 110 may be provided with a door cover 111 that opens and closes so that a manual shaft handle C for driving a manual shaft detail unit 340 to be described later is inserted.
- the door cover 111 may be omitted.
- FIG. 4 is a schematic side view of a circuit breaker in a circuit breaker according to the present invention.
- the circuit breaker 200 is provided in the main body 100 and blocks or closes (energizes) a circuit by an input spring.
- the circuit breaker 200 includes a drive shaft 210 that rotates up and down by the shaft details 300, a drive link 220 that reciprocates up and down by the drive shaft 210, and the drive link 220.
- a contact drive link 230 that rotates vertically according to the vertical reciprocating motion, a movable contact 240 that controls the input (energization) and interruption of the circuit breaker fixed by the fixed contact 250, and the fixed contact 250.
- the closing spring is released (relaxed) so that the movable contact 240 is separated from the fixed contact 250.
- the mechanism unit according to the present invention is not limited to the above-described structure, and any configuration may be applied as long as it is a structure capable of blocking a circuit by being driven by an input spring.
- the shaft detail part 300 is for shafting the input spring, and the main shaft detailing part 310 for saving the input spring and the main shaft detailing part 310 by an electric motor 333 or manual operation to save the input spring. It includes an auxiliary shaft detail 320.
- FIG. 5 is a perspective view of a main shaft detail in a circuit breaker according to the present invention.
- the main shaft detail 310 is provided on the manual handle 311 and the camshaft 312 and the camshaft 312 to which the manual handle 311 is coupled, and transmits the rotational force received through the camshaft 312 to the camshaft. It includes a main output gear 313, a main shaft case 314 for accommodating the main output gear 313. With this structure, the main shaft detail 310 rotates the manual handle 311 to one side, and the camshaft 312 connected to the manual handle 311 also rotates, and accordingly, the main output gear 313 is operated and the input spring It can also be reduced manually.
- FIG. 6 is a perspective view of an auxiliary shaft detail in the circuit breaker according to the present invention.
- the auxiliary shaft detail part 320 rotates the cam shaft (312 in FIG. 5) by the electric motor 333 or the manual shaft lifting handle C to reduce the input spring.
- the auxiliary shaft detail 320 includes an electric shaft detail 330 and a manual shaft detail 340.
- FIG. 7 is a perspective view of the electric shaft detail in the circuit breaker according to the present invention
- FIG. 8 is a front view of the electric shaft detail in the circuit breaker according to the present invention.
- the electric shaft detail unit 330 causes the auxiliary output gear 339 to rotate according to the operation of the electric motor 333.
- at least one or more interlocking gears for interlocking between the electric motor 333 and the auxiliary output gear 339 may be provided.
- This embodiment illustrates a primary gear 335, a secondary gear 337, and a tertiary gear 338 as at least one interlocking gear.
- the electric motor 333 rotates
- the electric motor gear 334 rotates
- the primary gear 335 and the secondary gear 337, and the third The gear 338 and the auxiliary output gear 339 are sequentially interlocked and rotated.
- the camshaft interlocking groove 332 connected to the auxiliary output gear 339 is assembled to the camshaft 312 to enable the closing spring charging operation.
- FIG. 9 is a schematic perspective view of an auxiliary shaft detail part in a circuit breaker according to the present invention
- FIG. 10 is a schematic perspective view of an auxiliary shaft detail part into which a manual shaft detail handle is inserted in the circuit breaker according to the present invention
- 11 is a schematic exploded perspective view of a manual shaft detail in a circuit breaker according to the present invention.
- the manual shaft detail unit 340 manually rotates the auxiliary output gear 339 from the outside so that the input spring is shafted.
- the primary bevel gear 341 also rotates in a clockwise direction.
- the secondary bevel gear 347 interlocked with the primary bevel gear 341 is also rotated.
- the integral gear 348 of the secondary bevel gear 347 also rotates to drive the primary upper gear 336, through which the secondary gear 337 and the tertiary gear ( 338), and the auxiliary output gear 339 rotate to perform a charging operation of the mechanism.
- the manual shaft detail 340 includes a primary bevel gear 341 engaged with the secondary bevel gear 347 by compression, and a shaft 342 that is a rotation axis of the primary bevel gear 341.
- a spring support 343 provided on the shaft 342 to be spaced apart from the primary bevel gear 341, a rotation key 344 protruding from the end region of the shaft 342 in the longitudinal side of the shaft 342,
- the bottom plate is formed to be a cylindrical open only one side, but the bottom plate is located between the primary bevel gear 341 and the spring support 343, but the bush 346 fixed to the auxiliary shaft case 331, and the bush 346 It includes a manual shaft spring (345) provided between the bottom plate and the spring support (343).
- the primary bevel gear 341 meshes with the secondary bevel gear 347 to rotate the secondary bevel gear 347.
- the present invention allows the primary bevel gear 341 to be spaced apart from the secondary bevel gear 347 when the manual shaft detail 340 is not operated, and the primary bevel only when the manual shaft detail 340 is operated.
- the gear 341 meshes with the secondary bevel gear 347.
- the shaft 342 is provided in a shape extending from the axis of rotation of the primary bevel gear 341. This shaft 342 is exposed to the outside of the auxiliary shaft case 331 through a bush 346 to be described later, and rotates the primary bevel gear 341 provided on one side by rotating in engagement with the manual shaft handling handle (C). Let it.
- the spring support 343 is inserted into the shaft 342 to support one side of the manual shaft spring 345.
- the spring support 343 is provided on the shaft 342 so as to be spaced apart from the primary bevel gear 341.
- This embodiment illustrates the O-ring as the spring support 343.
- the present invention is not limited thereto, and the spring support part 343 may be formed so as to protrude in a circular shape from the shaft 342 without coupling the spring support part 343 to the shaft 342 in the form of an O-ring.
- the present invention may support one side of the manual shaft spring 345 by protruding a protrusion to the side of the shaft 342 like the rotation key 344 instead of the O-ring-shaped spring support 343. That is, the present invention is not limited to the shape and structure of the spring support part 343 as long as it can support one side of the manual shaft spring 345.
- the rotation key 344 is coupled to the manual shaft handle (C) when the manual shaft detail unit 340 is operated to rotate the shaft 342. That is, the rotation key 344 serves as a protrusion for rotating the shaft 342 and is provided on the other side of the shaft 342 so as to protrude in a direction crossing the longitudinal direction of the shaft 342. In addition, the rotation key 344 is provided on the other side of the shaft 342, that is, the other side of the spring support 343, that is, the primary bevel gear 341 and the spring support 343, the rotation key 344, in the order of the shaft ( It is provided to be located at 342).
- the bush 346 supports the other side of the manual shaft spring 345 and supports the manual shaft handle C that is inserted when the manual shaft detail part 340 is operated.
- the bush 346 has a hollow cylindrical shape in which only one side is opened with a bottom plate formed on one side, and a hole is formed in the bottom plate so that the shaft 342 penetrates.
- the inner surface of the bottom plate on one side supports the other side of the manual shaft spring 345, and the above-described spring support portion 343 supports one side of the manual shaft spring 345.
- the bush 346 is coupled to and fixed to the auxiliary shaft case 331, and accordingly, the shaft 342 provided with the primary bevel gear 341 and the spring support 343 and the rotation key 344 is fixed.
- the manual shaft spring 345 is located between the bottom plate of the fixed bush 346 and the spring support 343 provided on the shaft 342 reciprocally movable. In addition, accordingly, the spring support part 343 is pushed out of the bush 346 and the shaft 342 provided with the spring support part 343 is also pushed out of the auxiliary shaft case 331. Accordingly, the primary bevel gear 341 provided on one side of the shaft 342 is also pushed together with the shaft 342 to separate from the secondary bevel gear 347. Of course, when a pressure is applied to the shaft 342 after the manual shaft handle C is inserted into the bush 346 and coupled with the other side of the shaft 342 and the rotation key 344, the manual shaft spring 345 is compressed. .
- the spring support part 343 is moved into the auxiliary shaft case 331, and accordingly, on one side of the shaft 342 and the shaft 342 coupled with the spring support part 343
- the provided primary bevel gear 341 is also moved together and meshes with the secondary bevel gear 347.
- FIG. 12 is a perspective view of the manual shaft detail part before the shaft is pressed in the circuit breaker according to the present invention
- FIG. 13 is a plan view of the auxiliary shaft detail part in the state before the manual shaft detail handle is inserted and pressed in the circuit breaker according to the present invention.
- the manual shaft detail spring 345 is provided with the spring support part 343 ) To increase the distance between the bush 346 and the spring support 343.
- the vehicle bevel gear 341 also moves along the spring support 343.
- the primary bevel gear 341 is separated from the secondary bevel gear 347, and when the electric shaft detail unit 300 is operated, the secondary bevel gear 347 is It can be rotated.
- the distance between the primary bevel gear 341 and the bottom plate of the bush 346 is the distance between the secondary bevel gear 347 and the bush 346 and the bottom plate.
- the primary bevel gear 341 and the secondary bevel gear 347 are engaged only when the manual shaft spring is compressed.
- FIG. 14 is a perspective view of a manual shaft detail part after a shaft is pressed in a circuit breaker according to the present invention
- FIG. 15 is a plan view of an auxiliary shaft detail part in a state in which a manual shaft detail handle is inserted and pressed in the circuit breaker according to the present invention.
- the present invention separates the secondary bevel gear and the primary bevel gear in peacetime and allows the secondary bevel gear and the primary bevel gear to engage only during manual shaft washing, thereby preventing damage and deformation of the shaft detail. have.
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- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
- Breakers (AREA)
Abstract
Description
Claims (6)
- 고정 접촉자와 가동 접촉자의 접점이 서로 접촉되는 회로 차단부와, 상기 고정 접촉자와 상기 가동 접촉자의 접촉을 제어하는 투입 스프링을 축세하는 축세부를 포함하는 회로 차단기로서,상기 축세부는,캠 샤프트와, 상기 캠 샤프트에 구비된 메인 출력 기어, 상기 메인 출력 기어를 수납하는 메인 축세 케이스를 포함하는 메인 축세부;와,상기 캠 샤프트와 연동된 전동 축세부, 상기 전동 축세부와 연동되되 외력에 의해 내부 베벨기어가 맞물려 입력받은 외력을 상기 전동 축세부에 전달하여 상기 투입 스프링을 축세하는 수동 축세부를 가지는 보조 축세부;를 포함하는 회로 차단기.
- 제1항에 있어서,상기 전동 축세부는,상기 캠 샤프트와 연결된 캠 샤프트 연동 홈,상기 캠 샤프트 연동 홈에 구비된 보조 출력 기어,상기 보조 출력 기어와 연동된 적어도 연동 기어, 및상기 연동 기어를 회전시키는 전동기를 포함하는 회로 차단기.
- 제2항에 있어서,상기 연동 기어는,상기 전동기의 회전축에 연동된 전동기 기어와, 상기 전동기 기어와 연동된 1차 기어, 상기 1차 기어의 회전축에 연동된 1차 상부 기어, 상기 1차 기어와 연동된 2차 기어, 상기 2차 기어와 상기 보조 출력 기어 사이에 구비되어 상기 2차 기어와 상기 보조 출력 기어에 연동된 3차 기어를 포함하는 회로 차단기.
- 제3항에 있어서,상기 수동 축세부는,상기 연동 기어와 연동된 2차 베벨기어와,외력에 의해 상기 2차 베벨기어와 맞물리는 1차 베벨기어,상기 1차 베벨기어의 회전축인 샤프트,상기 1차 베벨기어와 이격되도록 상기 샤프트에 형성된 스프링 지지부,상기 샤프트의 끝단 영역에 상기 샤프트의 길이방향 측면으로 돌출된 회전 키,상기 1차 베벨기어와 상기 스프링 지지부 사이에 위치된 바닥판이 형성되어 일측만 개방된 원통형이되 위치 고정된 부시, 및상기 부시의 바닥판과 상기 스프링 지지부 사이에 구비되어 상기 1차 베벨기어를 상기 2차 베벨기어에서 이격시키는 방향으로 탄성력을 부여하는 수동 축세 스프링을 포함하는 회로 차단기.
- 제4항에 있어서,상기 2차 베벨기어는 상기 1차 상부 기어와 연동된 일체형 기어의 회전축에 연동된 회로 차단기.
- 제4항 또는 제5항에 있어서,상기 외력의 방향은 시계 방향인 회로 차단기.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP20887992.4A EP4060712B1 (en) | 2019-11-13 | 2020-03-27 | Circuit breaker |
| US17/755,954 US12087534B2 (en) | 2019-11-13 | 2020-03-27 | Circuit breaker with manual energy-accumulating unit gears intitally separated from one another |
| JP2022523376A JP7335438B2 (ja) | 2019-11-13 | 2020-03-27 | 回路遮断器 |
| CN202080073570.7A CN114586126A (zh) | 2019-11-13 | 2020-03-27 | 断路器 |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR10-2019-0145093 | 2019-11-13 | ||
| KR1020190145093A KR102285035B1 (ko) | 2019-11-13 | 2019-11-13 | 회로 차단기 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2021096002A1 true WO2021096002A1 (ko) | 2021-05-20 |
Family
ID=75912162
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/KR2020/004278 Ceased WO2021096002A1 (ko) | 2019-11-13 | 2020-03-27 | 회로 차단기 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US12087534B2 (ko) |
| EP (1) | EP4060712B1 (ko) |
| JP (1) | JP7335438B2 (ko) |
| KR (1) | KR102285035B1 (ko) |
| CN (1) | CN114586126A (ko) |
| WO (1) | WO2021096002A1 (ko) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113823538A (zh) * | 2021-10-25 | 2021-12-21 | 安心智能技术股份有限公司 | 一种智能断路器用电动分合闸装置 |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI834240B (zh) * | 2022-08-09 | 2024-03-01 | 陳錫瑜 | 模殼式斷路器電動操作機構改良裝置 |
| CN117110667B (zh) * | 2023-10-20 | 2023-12-26 | 江苏华鹏智能仪表科技股份有限公司 | 一种适用于供电领域的采集器 |
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| KR101536943B1 (ko) * | 2015-02-02 | 2015-07-17 | 주식회사 에너지로드 | 안전경보장치를 구비한 고압 개폐기 및 이를 구비한 수배전반 |
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- 2020-03-27 WO PCT/KR2020/004278 patent/WO2021096002A1/ko not_active Ceased
- 2020-03-27 US US17/755,954 patent/US12087534B2/en active Active
- 2020-03-27 EP EP20887992.4A patent/EP4060712B1/en active Active
- 2020-03-27 CN CN202080073570.7A patent/CN114586126A/zh active Pending
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| CN113823538A (zh) * | 2021-10-25 | 2021-12-21 | 安心智能技术股份有限公司 | 一种智能断路器用电动分合闸装置 |
Also Published As
| Publication number | Publication date |
|---|---|
| EP4060712B1 (en) | 2025-04-16 |
| EP4060712A4 (en) | 2023-03-15 |
| JP2022553287A (ja) | 2022-12-22 |
| JP7335438B2 (ja) | 2023-08-29 |
| KR102285035B1 (ko) | 2021-08-02 |
| US20220384132A1 (en) | 2022-12-01 |
| EP4060712A1 (en) | 2022-09-21 |
| CN114586126A (zh) | 2022-06-03 |
| KR20210058089A (ko) | 2021-05-24 |
| US12087534B2 (en) | 2024-09-10 |
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