[go: up one dir, main page]

WO2021107292A1 - Ensemble bobine de déclenchement - Google Patents

Ensemble bobine de déclenchement Download PDF

Info

Publication number
WO2021107292A1
WO2021107292A1 PCT/KR2020/004817 KR2020004817W WO2021107292A1 WO 2021107292 A1 WO2021107292 A1 WO 2021107292A1 KR 2020004817 W KR2020004817 W KR 2020004817W WO 2021107292 A1 WO2021107292 A1 WO 2021107292A1
Authority
WO
WIPO (PCT)
Prior art keywords
movable core
trip
coil assembly
housing
extension
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
Application number
PCT/KR2020/004817
Other languages
English (en)
Korean (ko)
Inventor
서인수
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.)
LS Electric Co Ltd
Original Assignee
LS Electric 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.)
Filing date
Publication date
Application filed by LS Electric Co Ltd filed Critical LS Electric Co Ltd
Publication of WO2021107292A1 publication Critical patent/WO2021107292A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Images

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
    • H01H71/10—Operating or release mechanisms
    • H01H71/12—Automatic release mechanisms with or without manual release
    • H01H71/128—Manual release or trip mechanisms, e.g. for test purposes
    • 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
    • H01H71/12—Automatic release mechanisms with or without manual release
    • 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
    • H01H71/50—Manual reset mechanisms which may be also used for manual release
    • H01H71/52—Manual reset mechanisms which may be also used for manual release actuated by lever
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2235/00—Springs
    • H01H2235/01—Spiral spring

Definitions

  • the present invention relates to a trip coil assembly, and more particularly, to a trip coil assembly with reduced space occupied by a circuit breaker and improved operation reliability.
  • a circuit breaker (MCCB: Molded Case Circuit Breaker) is provided on the wiring and automatically cuts the circuit when an electrical overload condition or a short circuit accident occurs. Accordingly, it is possible to prevent damage to a circuit and a load connected to the wiring due to an electrical accident.
  • MCCB Molded Case Circuit Breaker
  • the circuit breaker for wiring receives a signal from a printed circuit board (PCB) circuit and performs a trip operation when an abnormal current is detected.
  • the trip operation is performed by a trip coil assembly including a movable core.
  • the trip coil assembly 1000 includes an actuator 1100 and a mechanism 1200 .
  • the actuator 1100 generates a driving force for moving the trip bar 1230 .
  • the movable core 1140 of the actuator 1100 is attracted toward the magnet 1120 by the magnetic force formed by the magnet 1120 .
  • the magnetic force formed by the magnet 1120 is canceled by the magnetic field formed by the core 1110 .
  • the movable core 1140 is moved in a direction away from the magnet 1120 by the spring 1130 and strikes the latch plate 1210 .
  • the mechanism 1200 transmits the movement of the movable core 1140 to the trip bar 1230 .
  • the trip bar 1230 may be connected to the reset plate 1220 and move together with the reset plate 1220 .
  • a trip operation may be performed by rotating a mechanism unit (not shown) provided in the circuit breaker for electronic wiring.
  • the latch plate 1210 and the reset plate 1220 in order to transmit the movement of the movable core 1140 to the trip bar 1230, the latch plate 1210 and the reset plate 1220 must be separately provided. .
  • the actuator 1100 that generates the driving force and the mechanism 1200 operated by the generated driving force occupy a predetermined space, respectively. Accordingly, the volume of the trip coil assembly 1000 increases, making it difficult to miniaturize the circuit breaker for wiring.
  • the movement of the movable core 1140 may not be transmitted to the trip bar 1230 due to misassembly or malfunction of the latch plate 1210 and the reset plate 1220 .
  • Korean Patent Document No. 10-2015393 discloses a permanent magnet actuator for driving a circuit breaker. Specifically, a permanent magnet actuator having a structure that is movable by forming a mover into a plurality of linear small movers is disclosed.
  • the permanent magnet actuator having such a structure can reduce the size of the actuator itself, but does not suggest a method for volume miniaturization in relation to the mechanism.
  • Korean Patent Document No. 10-1964641 discloses an instantaneous trip breaker capable of a quick flop operation of a trip bar. Specifically, an instantaneous trip breaker having a structure capable of rotating a trip bar using a downward pressure of a lever applied between rotations when a current greater than a rated current flows is disclosed.
  • the instantaneous trip breaker having such a structure has a limitation that a rotation interval must be separately provided to rotate the trip bar.
  • the instantaneous trip breaker of the above-described structure is a structure that is coupled to the trip bar between rotations. Therefore, the weight of the trip bar is increased, and there is a concern that the movable core may not respond sensitively to the movement.
  • An object of the present invention is to provide a trip coil assembly having a structure capable of solving the above-described problems.
  • an object of the present invention is to provide a trip coil assembly having a structure in which a trip bar is moved by movement of a movable core to perform a trip operation without a separate member.
  • Another object of the present invention is to provide a trip coil assembly having a structure that can be operated regardless of a defect in a member for transmitting the movement of the movable core to the trip bar.
  • Another object of the present invention is to provide a trip coil assembly having a structure capable of reducing the space occupied inside the circuit breaker.
  • Another object of the present invention is to provide a trip coil assembly having a structure in which an arc generated inside a circuit breaker can be effectively extinguished as a trip operation is performed.
  • Another object of the present invention is to provide a trip coil assembly having a structure capable of improving the operational reliability of a circuit breaker.
  • Another object of the present invention is to provide a trip coil assembly having a simple structure.
  • Another object of the present invention is to provide a trip coil assembly having a structure capable of reducing manufacturing cost.
  • a housing having a space formed therein; a movable core positioned adjacent to one surface of the housing on the outside of the housing and coupled to the housing to be movable in a direction toward the housing or a direction away from the housing; an elastic member positioned between the one surface of the housing and the movable core and configured to elastically support the movable core; and a trip bar positioned adjacent to the housing and coupled to the movable core to be movable integrally with the movable core.
  • a magnet member configured to form a magnetic field for applying an attractive force to the movable core; and a coil member that is electrically connected to the outside and configured to form a magnetic field in a direction opposite to that of the magnetic field formed by the magnet member by the current transmitted from the outside.
  • the elastic member of the trip coil assembly may be configured to apply an elastic force in a direction away from the one surface of the housing to the movable core.
  • the attraction force applied by the magnet member of the trip coil assembly to the movable core may be greater than an elastic force applied by the elastic member to the movable core.
  • the attraction force applied by the magnet member to the movable core is reduced to be smaller than the elastic force applied by the elastic member to the movable core.
  • the movable core of the trip coil assembly is formed to extend in one direction, so that one side in the extending direction of the movable core is through-coupled to the trip bar, and the other side in the extending direction of the movable core is the one surface of the housing. may be movably through-coupled to the
  • the trip bar of the trip coil assembly may include: a first extension part through which the one side of the movable core is coupled and formed in a plate shape; a second extension portion continuous with the first extension portion, forming a predetermined angle with the first extension portion, and extending in a direction away from the movable core; and a third extension that is continuous with the second extension, forms a predetermined angle with the second extension, and extends in a different direction away from the movable core.
  • the housing of the trip coil assembly may include: a second surface facing the one surface and spaced apart from the one surface in a direction away from the movable core; and a space portion formed between the first surface and the other surface and communicating with the outside, wherein the second extension portion of the trip bar is formed to extend toward the other surface and is positioned adjacent to the space portion.
  • the housing of the trip coil assembly extends between the first surface and the other surface and includes another surface configured to cover the space, and the third extension of the trip bar is adjacent to the other surface. located, and may be formed to extend in a direction away from the other surface.
  • a contact end protruding in a direction toward the movable core may be provided at one end of the third extension of the trip bar of the trip coil assembly.
  • a hollow portion extending in a direction in which the movable core extends may be formed through the inside of the elastic member of the trip coil assembly, and the movable core may be formed through the hollow portion of the elastic member.
  • the trip coil assembly may include a pressing plate coupled to the movable core to move integrally with the movable core, and positioned between the trip bar and the elastic member so that one side is configured to contact the elastic member. .
  • the other side of the pressing plate of the trip coil assembly may be in contact with the trip bar, so that the movable core, the pressing plate, and the trip bar may be integrally moved by the elastic force applied by the elastic member.
  • the pressing plate of the trip coil assembly may be formed to have a cross-sectional area larger than that of the movable core and the elastic member.
  • the trip coil assembly may include: a pressing plate coupled to the movable core to move integrally with the movable core, and positioned between the trip bar and the elastic member so that one side is in contact with the elastic member; and a reset bar configured to press the elastic member toward the one surface of the housing;
  • the reset bar may include a contact portion in contact with the pressing plate; and a pressing part connected to the contact part and extending in a direction away from the movable core.
  • the driving unit and the trip unit are provided in an integrated structure. That is, the movable core that generates a driving force for moving the trip bar and the trip bar are directly connected.
  • the trip bar may be integrally moved as the movable core is moved without a separate member for transmitting the movement of the movable core to the trip bar.
  • the movement of the movable core can be transmitted to the trip bar regardless of the defect of the member for transmitting the driving force.
  • the driving unit and the trip unit may be provided in an integrated structure. Accordingly, the total space occupied by the trip coil assembly inside the circuit breaker can be reduced.
  • the arc can be extinguished more effectively and discharged to the outside of the circuit breaker.
  • the movable core and the trip bar are coupled to each other and moved integrally.
  • the trip bar can also be moved together.
  • a separate member is not provided between the movable core and the trip bar.
  • the operation reliability of the trip coil assembly may be improved regardless of a case in which the separate member malfunctions, is incorrectly assembled, or a design defect occurs.
  • trip bar is directly through-coupled to the movable core.
  • the trip bar and the movable core can be easily coupled.
  • the trip bar since the trip bar is arranged to be supported by the latch bar and the pressure plate, an excessive structural change is not required for maintaining the coupled state of the trip bar and the movable core. Accordingly, the trip coil assembly can be manufactured simply.
  • a separate member for transmitting the driving force between the trip bar and the movable core is not required.
  • the trip bar and the movable core are directly connected.
  • the number of components for forming the trip coil assembly can be reduced. Moreover, there is no need to consider errors generated in the process of processing and combining the omitted components. Accordingly, the time consumed for manufacturing the trip coil assembly may also be reduced. As a result, the manufacturing cost of the trip coil assembly can be reduced.
  • FIG. 1 is a perspective view showing a trip coil assembly according to the prior art.
  • FIG. 2 is a perspective view showing a trip coil assembly according to the prior art from another angle;
  • FIG 3 is a perspective view illustrating a trip coil assembly according to an exemplary embodiment of the present invention.
  • FIG. 4 is a perspective view illustrating a trip coil assembly according to an exemplary embodiment of the present invention from another angle.
  • FIG. 5 is a plan view illustrating the trip coil assembly of FIGS. 3 and 4 ;
  • FIGS. 3 and 4 are side views illustrating the trip coil assembly of FIGS. 3 and 4;
  • FIG. 7 is a plan view illustrating a process in which the trip coil assembly of FIGS. 3 and 4 is operated.
  • FIGS. 3 and 4 are side views illustrating a process in which the trip coil assembly of FIGS. 3 and 4 is operated.
  • magnetic force refers to a magnetic force that attracts or repels each other. In one embodiment, magnetic force may be used to refer to magnetic attraction.
  • magnetic field used in the following description refers to a space in which a magnetic force acts, which is generated around a magnetic material or around a wire through which an electric current passes.
  • energized used in the following description refers to a phenomenon or state in which current flows through a member.
  • conductive connection means that two or more members are connected to each other so that an electric current or an electrical signal can pass therethrough.
  • the energizable connection may be formed by a conductive wire or the like.
  • abnormal current used in the following description means a current at which the trip coil assembly 10 must perform a trip operation.
  • the abnormal current may be an overcurrent or a fault current.
  • normal current used in the following description means a current at which the trip coil assembly 10 does not need to perform a trip operation. That is, the normal current may be used to refer to the remaining currents except for the abnormal current among the currents flowing through the circuit breaker.
  • the trip coil assembly 10 is provided in the circuit breaker.
  • the trip coil assembly 10 is electrically connected to a printed circuit board (PCB) (not shown) provided in the circuit breaker.
  • PCB printed circuit board
  • the circuit breaker may be a circuit breaker.
  • the PCB calculates a control signal for operating the trip coil assembly 10 .
  • the driving unit 100 When a current flows through the trip coil assembly 10 according to the calculated control signal, the driving unit 100 generates a driving force for moving the trip unit 200 .
  • the generated driving force may be transmitted to the trip unit 200 to perform a trip operation.
  • the trip coil assembly 10 includes a driving unit 100 and a trip unit 200 .
  • the driving unit 100 and the trip unit 200 of the trip coil assembly 10 may be coupled. That is, it will be understood that the driving unit 100 and the trip unit 200 are only classified according to the function of performing each element constituting the trip coil assembly 10 for convenience of explanation.
  • the driving unit 100 generates a driving force for moving the movable core 230 .
  • the movable core 230 When the movable core 230 is moved by the generated driving force, it may be moved together with the trip bar 210 coupled to the movable core 230 . Accordingly, a trip operation may be performed.
  • the driving unit 100 includes a housing 110 , a connector 120 , a coil member 130 , a magnet member 140 , and an elastic member 150 .
  • the housing 110 forms the outer shape of the driving unit 100 . Also, as described above, in the trip coil assembly 10 according to the embodiment of the present invention, the driving unit 100 and the trip unit 200 are integrated.
  • the housing 110 forms the outer shape of the trip unit 200 . Furthermore, it may be said that the housing 110 forms the outer shape of the trip coil assembly 10 .
  • the housing 110 is formed to extend in one direction, the front-rear direction in the illustrated embodiment.
  • the housing 110 is formed to have a predetermined length (in the vertical direction in the illustrated embodiment) and a width (in the left and right directions in the illustrated embodiment).
  • the housing 110 has a rectangular prism shape, but the shape may be changed.
  • a space 115 is formed inside the housing 110 .
  • the coil member 130 and the magnet member 140 are accommodated in the space part 115 .
  • the space 115 communicates with the outside.
  • the space part 115 may communicate with the outside through openings respectively formed on the left and right sides.
  • the trip bar 210 is positioned adjacent to the opening formed on the left of the openings.
  • the housing 110 includes an upper surface 111 , a front surface 112 , a rear surface 113 , a lower surface 114 , and a space portion 115 .
  • the upper surface 111 forms one side of the housing 110, the upper surface in the illustrated embodiment.
  • the upper surface 111 is configured to cover the space portion 115 formed inside the housing 110 .
  • the upper surface 111 is respectively connected to the front surface 112 and the rear surface 113 .
  • the upper surface 111 may be formed separately from the front surface 112 and the rear surface 113 and may be respectively coupled to the front surface 112 and the rear surface 113 .
  • the upper surface 111 may be integrally formed with the front surface 112 and the rear surface 113 .
  • the front side 112 extends from the front end.
  • the front surface 112 forms a predetermined angle with the upper surface 111 and extends downward in a direction away from the upper surface 111 in the illustrated embodiment.
  • the predetermined angle may be a right angle.
  • the rear surface 113 is extended from the other side of the upper surface 111, the rear side end in the illustrated embodiment.
  • the rear surface 113 forms a predetermined angle with the upper surface 111 and extends downward from the upper surface 111 in a direction away from the upper surface 111 in the illustrated embodiment.
  • the predetermined angle may be a right angle.
  • the upper surface 111 is disposed to face the lower surface 114 . Specifically, the upper surface 111 is disposed to face the lower surface 114 with the space 115 formed inside the housing 110 interposed therebetween. In one embodiment, the upper surface 111 and the lower surface 114 may be formed in the same shape.
  • the front side 112 forms the other side of the housing 110, the front side surface in the illustrated embodiment.
  • the front surface 112 is configured to surround the space portion 115 formed in the interior of the housing 110 from the front side.
  • the front surface 112 is connected to the upper surface 111 and the lower surface 114, respectively.
  • the front surface 112 may be formed separately from the upper surface 111 and the lower surface 114 , and may be respectively coupled to the upper surface 111 and the lower surface 114 .
  • the front surface 112 may be integrally formed with the upper surface 111 and the lower surface 114 .
  • the upper surface 111 extends from the upper end in the illustrated embodiment.
  • the upper surface 111 forms a predetermined angle with the front surface 112 and extends in a direction away from the front surface 112, in the illustrated embodiment, to the rear side.
  • the predetermined angle may be a right angle.
  • the lower surface 114 On the other side of the front surface 112, the lower end in the illustrated embodiment, the lower surface 114 is extended.
  • the lower surface 114 forms a predetermined angle with the front surface 112 and extends in a direction away from the front surface 112, in the illustrated embodiment, to the rear side.
  • the predetermined angle may be a right angle.
  • the front surface 112 is disposed to face the rear surface 113 . Specifically, the front surface 112 is disposed to face the rear surface 113 with the space portion 115 formed inside the housing 110 interposed therebetween. In one embodiment, the front surface 112 and the rear surface 113 may be formed in the same shape.
  • the coil member 130 is positioned on the other side of the front side 112 , on the front side in the illustrated embodiment.
  • One side of the coil member 130 facing the front surface 112 in the illustrated embodiment, the rear side may be in contact with the front surface 112 .
  • the front side 112 supports the one side of the coil member 130 . Accordingly, the coil member 130 may be stretched or contracted while being supported on the front surface 112 .
  • a movable core 230 is movably through-coupled to the front surface 112 .
  • the movable core 230 is through-coupled to the front surface 112 , and may be moved in a direction away from the housing 110 (ie, the front side) or in a direction toward the housing 110 (ie, the rear side).
  • the rear surface 113 forms the other side of the housing 110 , the rear side surface in the illustrated embodiment.
  • the rear surface 113 is configured to surround the space portion 115 formed in the interior of the housing 110 from the rear side.
  • the rear surface 113 is connected to the upper surface 111 and the lower surface 114, respectively.
  • the rear surface 113 may be formed separately from the upper surface 111 and the lower surface 114 to be coupled to the upper surface 111 and the lower surface 114 , respectively.
  • the rear surface 113 may be integrally formed with the upper surface 111 and the lower surface 114 .
  • the upper surface 111 extends from the upper end in the illustrated embodiment.
  • the upper surface 111 forms a predetermined angle with the front surface 112 and extends in a direction away from the rear surface 113, in the illustrated embodiment, toward the front side.
  • the predetermined angle may be a right angle.
  • the lower surface 114 On the other side of the rear surface 113, the lower end in the illustrated embodiment, the lower surface 114 is extended.
  • the lower surface 114 forms a predetermined angle with the front surface 112 and extends in a direction away from the rear surface 113, in the illustrated embodiment, toward the front side.
  • the predetermined angle may be a right angle.
  • the rear surface 113 is disposed to face the front surface 112 . Specifically, the rear surface 113 is disposed to face the front surface 112 with the space formed inside the housing 110 interposed therebetween. In one embodiment, the rear surface 113 and the front surface 112 may be formed in the same shape.
  • the lower surface 114 forms one side of the housing 110, the lower surface in the illustrated embodiment.
  • the lower surface 114 is configured to surround the space portion 115 formed in the interior of the housing 110 from the lower side.
  • the lower surface 114 is connected to the front surface 112 and the rear surface 113, respectively.
  • the lower surface 114 may be formed separately from the front surface 112 and the rear surface 113 and may be respectively coupled to the front surface 112 and the rear surface 113 .
  • the lower surface 114 may be integrally formed with the front surface 112 and the rear surface 113 .
  • the front surface 112 forms a predetermined angle with the lower surface 114 and extends upward in the illustrated embodiment in a direction away from the lower surface 114 .
  • the predetermined angle may be a right angle.
  • the rear surface 113 extends from the rear end in the illustrated embodiment.
  • the rear surface 113 forms a predetermined angle with the lower surface 114 and is formed to extend upward in the illustrated embodiment in a direction away from the lower surface 114 .
  • the predetermined angle may be a right angle.
  • the lower surface 114 is disposed to face the upper surface 111 . Specifically, the lower surface 114 is disposed to face the upper surface 111 with the space portion 115 formed in the housing 110 therebetween. In one embodiment, the lower surface 114 and the upper surface 111 may be formed in the same shape.
  • the space 115 is a space formed inside the housing 110 .
  • the coil member 130 and the magnet member 140 are accommodated in the space portion 115 .
  • the space 115 communicates with the outside.
  • the space portion 115 communicates with the outside through openings respectively formed on the left and right sides of the housing 110 .
  • the space portion 115 is configured to cover the upper surface 111 , the front surface 112 , the rear surface 113 , and the lower surface 114 .
  • a connector 120 is coupled to the space 115 .
  • the connector 120 may be electrically connected to the coil member 130 through the opening.
  • the connector 120 extends into the space 115 through an opening formed on the right side.
  • the connector 120 electrically connects the coil member 130 accommodated in the space 115 to the outside.
  • One side of the connector 120 one side extending to the space 115 in the illustrated embodiment is connected to the coil member 130 to be energized.
  • the connector 120 includes a terminal part 121 and a conducting wire part 122 .
  • the terminal unit 121 is a portion to which the connector 120 is electrically connected to an external power source or a PCB (not shown).
  • the terminal part 121 is located on the other side of the connector 120 , in a direction away from the housing 110 in the illustrated embodiment.
  • the terminal unit 121 may be snap-coupled to an external power source or a PCB (not shown).
  • the terminal part 121 is electrically connected to the conducting wire part 122 .
  • the conducting wire part 122 connects the terminal part 121 and the coil member 130 to be energized.
  • the conducting wire part 122 may be provided in any shape capable of connecting arbitrary members to be energized.
  • the conducting wire 122 may be provided in the form of an electric wire.
  • the conductive wire part 122 extends between the coil members 130 from the terminal part 121 .
  • One side of the conductive wire part 122 in a direction away from the terminal part 121 is inserted into the space part 115 .
  • An end of the one side of the conductive wire part 122 may be electrically connected to the coil member 130 .
  • the coil member 130 forms a magnetic field by the current transmitted through the connector 120 .
  • the coil member 130 is electrically connected to an external power source or a PCB (not shown).
  • the coil member 130 may be provided in any shape capable of forming a magnetic field as current is applied.
  • the magnetic field formed by the coil member 130 may be formed in a direction opposite to the magnetic force formed by the magnet member 140 .
  • a current flows into the coil member 130 to form a magnetic field
  • the magnetic force generated by the magnet member 140 is canceled.
  • the movable core 230 may be released from the magnetic force and move in a direction away from the housing 110 .
  • the coil member 130 is accommodated in the space portion 115 .
  • the coil member 130 is provided in a cylindrical shape and extends between the front surface 112 and the rear surface 113 .
  • the front side may be in contact with or coupled to the front surface 112 .
  • the other side of the coil member 130 facing the rear surface 113 in the illustrated embodiment, the rear side may be in contact with or coupled to the rear surface 113 . Accordingly, the coil member 130 may be stably coupled to the housing 110 .
  • a hollow portion (not shown) is formed in the coil member 130 .
  • the hollow portion (not shown) may extend in the direction in which the coil member 130 extends, in the illustrated embodiment, in the front-rear direction.
  • the hollow part (not shown) may be formed through the inside of the coil member 130 .
  • the movable core 230 may be movably inserted and coupled to the hollow portion (not shown).
  • the movable core 230 may be moved in a direction (ie, a rear side) toward the hollow part (not shown) and a direction away from the hollow part (not shown) (ie, a front side).
  • a magnet member 140 Adjacent to the coil member 130 , a magnet member 140 is provided.
  • the magnet member 140 forms a magnetic force that attracts the movable core 230 . That is, the magnet member 140 applies a magnetic force in a direction toward the magnet member 140 to the movable core 230 .
  • the magnitude of the magnetic force formed by the magnet member 140 may be greater than the elastic force stored by the elastic member 150 pressed by the pressing plate 240 connected to the movable core 230 . That is, in a state in which the trip operation is not performed, the magnitude of the magnetic force in the direction toward the magnet member 140 among the forces acting on the movable core 230 is greater than the elastic force in the direction away from the magnet member 140 .
  • the pressing plate 240 connected to the movable core 230 may press the elastic member 150 and may be maintained at a position adjacent to the magnet member 140 .
  • the magnetic force formed by the magnet member 140 may be formed in a direction opposite to a direction of a magnetic field formed by flowing a current into the coil member 130 . Accordingly, when the coil member 130 forms a magnetic field, the magnetic force formed by the magnet member 140 may be canceled.
  • the magnet member 140 may be provided in any shape capable of generating a magnetic force.
  • the magnet member 140 may be provided as a permanent magnet.
  • the magnet member 140 may be coupled to the coil member 130 .
  • the magnet member 140 is through-coupled to the coil member 130 .
  • a hollow portion (not shown) having a diameter equal to or greater than the outer diameter of the coil member 130 may be formed inside the magnet member 140 .
  • the magnet member 140 is positioned adjacent to the rear surface 113 .
  • the magnet member 140 may be fixedly coupled to the rear surface 113 .
  • a separate fastening member (not shown) may be provided.
  • the magnet member 140 is provided in a disk shape.
  • the magnet member 140 is coupled to the rear surface 113 or the coil member 130 , and may be provided in any shape capable of applying a magnetic force to the movable core 230 .
  • the elastic member 150 moves the movable core 230 away from the housing 110 (ie, the front side) in a direction away from the housing 110 when current is applied to the coil member 130 to cancel the magnetic force formed by the magnet member 140 .
  • the elastic member 150 is positioned adjacent to the front surface 112 .
  • One side of the elastic member 150 in the illustrated embodiment, the rear side may be in contact with the front side of the front side 112 .
  • the elastic member 150 may be coupled to the front surface 112 .
  • the elastic member 150 is positioned adjacent to the pressing plate 240 .
  • the other side of the elastic member 150 in the illustrated embodiment, the front side may be in contact with the rear side of the pressing plate 240 .
  • the elastic member 150 may be coupled to the pressure plate 240 .
  • the elastic member 150 applies an elastic force to the movable core 230 . Specifically, the elastic member 150 applies an elastic force to the pressing plate 240 coupled to the movable core 230 .
  • the direction of the elastic force applied by the elastic member 150 to the movable core 230 is opposite to the direction of the magnetic force applied by the magnet member 140 to the movable core 230 . That is, the elastic force applied by the elastic member 150 is formed in a direction in which the movable core 230 moves away from the magnet member 140 or the front surface 112 .
  • the elastic member 150 is pressed by the pressing plate 240 coupled to the movable core 230 and stores the elastic force.
  • the magnitude of the elastic force stored by the maximum compression of the elastic member 150 may be smaller than the magnitude of the magnetic force applied by the magnet member 140 to the movable core 230 .
  • the magnitude of the elastic force in the direction away from the magnet member 140 among the forces acting on the movable core 230 is smaller than the magnitude of the magnetic force toward the magnet member 140 .
  • the pressing plate 240 connected to the movable core 230 may press the elastic member 150 and may be maintained at a position adjacent to the magnet member 140 .
  • the elastic member 150 may be provided in any shape capable of storing restoring force according to shape deformation, returning to an original shape, and providing the stored restoring force to other members.
  • the elastic member 150 may be provided as a coil spring.
  • the movable core 230 is inserted through the elastic member 150 .
  • a space for inserting the movable core 230 is formed in the elastic member 150 .
  • the movable core 230 is through-coupled to the space and the front surface 112 of the elastic member 150 .
  • the diameter of the space may be formed to be larger than the diameter of the movable core 230 . Accordingly, the movable core 230 in a direction toward the magnet member 140 (ie, the rear side) or away from the magnet member 140 (ie, the front side) in a state in which the movable core 230 is through-coupled to the elastic member 150 . can be moved
  • the trip unit 200 is operated according to the driving force generated by the driving unit 100 . Specifically, when the elastic member 150 presses the pressure plate 240 connected to the movable core 230 , the movable core 230 connected to the pressure plate 240 moves away from the housing 110 .
  • the trip bar 210 of the trip unit 200 is connected to the movable core 230 and moves in the same direction as the movable core 230 moves.
  • the contact end 216 of the trip bar 210 strikes the nail part (not shown) of the mechanical part (not shown) provided in the circuit breaker.
  • the nail unit (not shown) is rotated and a trip operation may be performed.
  • the trip coil assembly 10 does not require a separate member for transmitting the power generated by the driving unit 100 to the trip unit 200 . That is, the trip unit 200 is directly connected to the driving unit 100 .
  • the driving force generated by the driving unit 100 may be transmitted to the trip unit 200 without loss.
  • a situation in which a trip operation is not performed due to an erroneous assembly, malfunction, or immature design of a member for transmitting driving force does not occur.
  • the driving unit 100 and the trip unit 200 have been separately described, but this is only for convenience of description.
  • the trip coil assembly 10 according to the embodiment of the present invention is provided in which the driving unit 100 and the trip unit 200 are integrated.
  • the trip unit 200 includes a trip bar 210 , a reset bar 2220 , a movable core 230 , and a pressure plate 240 .
  • the trip bar 210 is moved by the driving force generated by the driving unit 100 .
  • the trip bar 210 strikes a nail part (not shown) provided in the circuit breaker. Accordingly, the nail unit (not shown) is rotated and a trip operation may be performed.
  • the trip bar 210 is coupled to the movable core 230 .
  • the trip bar 210 may be moved together with the movable core 230 .
  • the trip bar 210 may be coupled through the movable core 230 .
  • the trip bar 210 is positioned adjacent to the housing 110 .
  • the trip bar 210 is positioned adjacent to the left opening of the housing 110 .
  • the trip bar 210 may be spaced apart from the housing 110 by a predetermined distance.
  • a guide member for guiding the movement of the trip bar 210 may be provided.
  • the guide member (not shown) is coupled to the housing 110 and is configured to movably support the trip bar 210 . Accordingly, the trip bar 210 may be stably moved along the moving direction of the movable core 230 .
  • the trip bar 210 is formed to extend in one direction, in the front-rear direction in the illustrated embodiment.
  • An extension direction of the trip bar 210 may be the same as an extension direction of the coil member 130 or the movable core 230 .
  • the trip bar 210 may be formed of a material having a predetermined rigidity. Accordingly, even when the trip bar 210 hits the nail part (not shown) multiple times, the trip bar 210 may not be damaged.
  • the trip bar 210 may be provided in a plate shape. That is, the trip bar 210 may be formed to have a thin thickness compared to a length or a width.
  • the trip bar 210 includes a first extension portion 211 , a second extension portion 212 , a third extension portion 213 , a first bent portion 214 , a second bent portion 215 , and a contact end 216 . ) is included.
  • the first extension 211 is a portion where the trip bar 210 is connected to the movable core 230 .
  • the first extension 211 is positioned adjacent to the movable core 230 .
  • the first extension 211 forms one side of the trip bar 210 , a front side in the illustrated embodiment.
  • a through hole (not shown) through which the movable core 230 is coupled may be formed in the first extension portion 211 .
  • the first extension 211 is formed to extend by a predetermined length in the vertical direction. It is preferable that the lower end of the first extension portion 211 extends to such an extent that the lower end thereof does not contact the reset bar 220 .
  • the first extension 211 is positioned adjacent to the pressure plate 240 .
  • the first extension 211 may be moved together with the pressure plate 240 .
  • the first extension part 211 may be in contact with the coupling part 221 of the reset bar 220 .
  • first bent portion 214 is continuous. Due to the first bent part 214 , the first extension part 211 and the second extension part 212 may be continuous.
  • the second extension portion 212 is a portion in which the trip bar 210 extends in a direction away from the movable core 230 .
  • the second extension 212 is positioned adjacent to the housing 110 .
  • the second extension 212 is continuous with the first extension 211 .
  • the second extension 212 may move integrally with the first extension 211 .
  • the second extension 212 forms the other side of the trip bar 210 , the left side in the illustrated embodiment.
  • the second extension 212 is positioned adjacent to the space 115 of the housing 110 .
  • the second extension 212 is configured to partially cover the space 115 .
  • the second extension 212 extends in one direction, in the illustrated embodiment, in the front-rear direction.
  • the extension length of the second extension part 212 may be longer than the distance between the front surface 112 and the rear surface 113 . That is, the extended length of the second extension 212 may be longer than the length of the housing 110 in the front-rear direction.
  • the second extension portion 212 extends to form a predetermined angle with the first extension portion 211 .
  • the predetermined angle may be determined according to an angle at which the first bent part 214 is bent. In an embodiment, the predetermined angle may be a right angle.
  • the second extension 212 may be divided into two parts according to its width.
  • the second extension part 212 may be divided into a first part positioned on the front side and having a relatively small width, and a second part positioned on the rear side and having a relatively large width.
  • the second extension 212 is continuous with the first extension 211 .
  • the second extension 212 may move integrally with the first extension 211 .
  • the second bent portion 215 is continuous at one end of the second extension 212 in the direction away from the first extension 211 , and at the rear end in the illustrated embodiment. Due to the second bent part 215 , the second extension part 212 and the third extension part 213 may be continuous.
  • the third extension 213 is a portion in which the trip bar 210 extends in a direction away from the upper surface 111 of the housing 110 .
  • the third extension 213 is continuous with the second extension 212 .
  • the third extension 213 may move integrally with the second extension 212 .
  • the third extension 213 forms the other side of the trip bar 210 , the rear side in the illustrated embodiment.
  • the third extension 213 is positioned adjacent to the rear surface 113 of the housing 110 .
  • the third extension 213 is formed to extend in one direction, in the illustrated embodiment, in the vertical direction. It is preferable that the third extension portion 213 is moved to one side (ie, the front side) so that the contact end 216 is extended enough to hit the nail portion (not shown) of the circuit breaker. That is, the third extension 213 may be formed to extend so that the contact end 216 is positioned below the lower surface 114 .
  • the third extension part 213 extends to form a predetermined angle with the second extension part 212 .
  • the predetermined angle may be determined according to an angle at which the second bent part 215 is bent. In an embodiment, the predetermined angle may be a right angle.
  • a contact end 216 is positioned at one end of the third extension 213 in a direction away from the second extension 212 , and at a lower end in the illustrated embodiment.
  • the first bent part 214 connects the first extension part 211 and the second extension part 212 .
  • the first bent portion 214 is continuous with the first extension portion 211 and the second extension portion 212 , respectively.
  • the first bent part 214 may move together with the first extension part 211 and the second extension part 212 .
  • the first bent part 214 extends between the first extension part 211 and the second extension part 212 .
  • the first bent portion 214 may be bent from the front side toward the rear side.
  • the first bent portion 214 is bent at a predetermined angle.
  • the predetermined angle may be a right angle.
  • the second bent part 215 connects the second extension part 212 and the third extension part 213 .
  • the second bent portion 215 is continuous with the second extension portion 212 and the third extension portion 213 , respectively.
  • the second bent part 215 may move together with the second extension part 212 and the third extension part 213 .
  • the second bent part 215 extends between the second extension part 212 and the third extension part 213 .
  • the second bent part 215 may be bent from an upper side to a lower side.
  • the second bent part 215 is bent at a predetermined angle.
  • the predetermined angle may be a right angle.
  • the contact end 216 is a portion where the trip bar 210 is in contact with a nail part (not shown) of the circuit breaker. As the trip bar 210 moves, the contact end 216 presses and rotates the nail part (not shown). Accordingly, a trip operation may be performed.
  • the contact end 216 is located on one side of the third extension 213 , at the lower end in the illustrated embodiment.
  • the contact end 216 is formed to protrude from the third extension 213 toward the movable core 230, in the illustrated embodiment, toward the front side.
  • the reset bar 220 returns the movable core 230 moved in a direction away from the housing 110 to its original position in order to perform a trip operation.
  • the reset bar 220 is manipulated, the movable core 230 and the pressing plate 240 may move toward the housing 110 while pressing the elastic member 150 .
  • the reset bar 220 is movably coupled to the circuit breaker. In one embodiment, the reset bar 220 may be rotatably coupled to the circuit breaker.
  • the reset bar 220 may be in contact with a breaker mechanism (not shown). When the movable core 230 is moved, the reset bar 220 is also moved away from the housing 110 . Accordingly, the reset bar 220 strikes a mechanism (not shown) of the circuit breaker to perform a trip operation.
  • the reset bar 220 is connected to the movable core 230 and the pressure plate 240 .
  • the reset bar 220 may be moved together with the movable core 230 .
  • the reset bar 220 is moved, the movable core 230 and the pressure plate 240 may be moved together.
  • the reset bar 220 is spaced apart from the housing 110 by a predetermined distance. Accordingly, a sufficient space for the reset bar 220 to move may be secured.
  • the reset bar 220 includes a coupling part 221 , a reset part 222 , a side part 223 , a rivet part 224 , and a pressing part 225 .
  • the coupling portion 221 is a portion where the reset bar 220 is coupled to the movable core 230 and the pressure plate 240 .
  • the coupling part 221 may be through-coupled with the movable core 230 .
  • the coupling part 221 is positioned between the trip bar 210 and the pressure plate 240 .
  • the coupling part 221 may be in contact with the trip bar 210 and the pressure plate 240 , respectively.
  • one side of the coupling portion 221 facing the pressure plate 240 in the illustrated embodiment, the rear side is in contact with the front side of the pressure plate 240 .
  • the other side of the coupling part 221 facing the trip bar 210 in the illustrated embodiment, the front side is in contact with the first extension part 211 of the trip bar 210 .
  • the coupling part 221 is formed to extend downward in a direction toward the reset part 222 , in the illustrated embodiment.
  • the reset unit 222 forms a front side of the reset bar 220 .
  • the reset unit 222 is moved together as the movable core 230 is moved to strike a mechanism (not shown) provided in the circuit breaker. Accordingly, a trip operation may be performed.
  • the reset unit 222 is connected to the coupling unit 221 .
  • the reset unit 222 may be moved together with the movable core 230 .
  • the reset unit 222 is formed to extend in one direction, left and right in the illustrated embodiment. Each end in the direction in which the reset unit 222 extends may be bent toward the lower side of the rear in one direction, in the illustrated embodiment. A side portion 223 may be coupled to the bent portion.
  • the side portion 223 forms both sides of the reset bar 220 , left and right in the illustrated embodiment.
  • the side part 223 may move together as the movable core 230 moves.
  • the side part 223 is coupled to the reset part 222 .
  • the side part 223 may be moved together with the movable core 230 .
  • the side part 223 is formed to extend toward the upper side of the rear in one direction, in the illustrated embodiment.
  • the side part 223 may be coupled to a portion in which an end of the reset part 222 is bent. The engagement is achieved by means of rivets 224 .
  • a pressing part 225 is formed to protrude from the upper end of the rear in the illustrated embodiment.
  • the rivet part 224 couples the reset part 222 and the side part 223 to each other.
  • the rivet part 224 may be through-coupled to the bent part and the side part 223 of the reset part 222 , respectively.
  • the reset part 222 and the side part 223 may be stably coupled.
  • the rivet portion 224 may be replaced with any fastening member.
  • the rivet portion 224 may be provided with a screw member or the like.
  • the pressing part 225 is a part pressed to return the movable core 230 back to its original position after the trip operation is performed. That is, the pressing unit 225 may reset the movable core 230 .
  • the pressing part 225 is located at one end of the side part 223 .
  • the pressing part 225 is formed to extend in a direction away from the movable core 230 to the left in the illustrated embodiment.
  • the pressing part 225 is continuous with the side part 223 .
  • the pressing part 225 may be moved together with the movable core 230 .
  • the pressing portion 225 is pressed, the movable core 230 may be moved.
  • the reset operation may be performed by a protrusion provided in the coupling part 221 and protruding toward the front side and the reset part 222 .
  • the movable core 230 is moved in a direction away from the housing 110 by the magnetic field formed by the coil member 130 .
  • the trip bar 210 and the reset bar 220 are moved together by the movement of the movable core 230 to perform a trip operation.
  • the movable core 230 may be formed of a material that can receive a magnetic attraction force.
  • the movable core 230 may be formed of an iron (Fe) material.
  • the movable core 230 has a circular cross-section and has a cylindrical shape extending in one direction, that is, in the front-rear direction.
  • the movable core 230 may be formed in any shape that may be movably coupled to the front surface 112 while receiving a suction force by the magnet member 140 .
  • the movable core 230 is coupled to the housing 110 . Specifically, the movable core 230 is movably coupled to the front surface 112 of the housing 110 in the extending direction.
  • the movable core 230 is through-coupled to the elastic member 150 .
  • the movable core 230 may be moved in an extension direction while being inserted into the elastic member 150 .
  • the movable core 230 is elastically supported by the elastic member 150 . This is accomplished by a pressure plate 240 coupled to the movable core 230 .
  • the movable core 230 is through-coupled to the trip bar 210 . Specifically, the movable core 230 is coupled through the first extension 211 of the trip bar 210 . The trip bar 210 may move integrally with the movable core 230 .
  • the movable core 230 is coupled through the reset bar 220 . Specifically, the movable core 230 is coupled through the coupling portion 221 of the reset bar 220 .
  • the reset bar 220 may be moved integrally with the movable core 230 .
  • the movable core 230 is coupled to the pressing plate 240 .
  • the movable core 230 and the pressure plate 240 may be through-coupled.
  • the pressure plate 240 may be moved integrally with the movable core 230 .
  • the trip bar 210 when the movable core 230 is moved by the elastic force applied by the elastic member 150 , the trip bar 210 , the reset bar 220 , and the pressure plate 240 may move together.
  • the pressure plate 240 is in contact with the elastic member 150 .
  • the pressure plate 240 may press the elastic member 150 .
  • the elastic member 150 may apply an elastic force to the pressing plate 240 .
  • the pressure plate 240 is coupled to the movable core 230 . Specifically, the pressure plate 240 is coupled through the movable core 230 . The pressure plate 240 may be moved integrally with the movable core 230 .
  • the pressure plate 240 is coupled to the reset bar 220 . Specifically, the pressure plate 240 is in contact with or coupled to the coupling portion 221 of the reset bar 220 . The pressure plate 240 may move integrally with the coupling part 221 .
  • the pressure plate 240 is provided in a circular plate shape.
  • the pressure plate 240 is coupled to the movable core 230 and may be provided in any shape capable of being in contact with the elastic member 150 .
  • a diameter of the pressure plate 240 may be greater than an outer diameter of the elastic member 150 . Accordingly, the pressure plate 240 may be stably elastically supported by the elastic member 150 .
  • the pressing plate 240 is positioned between the reset bar 220 and the elastic member 150 .
  • One side of the pressure plate 240 facing the coupling part 221 of the reset bar 220 may be coupled to the coupling part 221 .
  • the other side of the pressing plate 240 facing the elastic member 150 may be in contact with or coupled to the elastic member 150 .
  • the pressure plate 240 may be formed of a material that can receive a magnetic attraction force. In an embodiment, the pressure plate 240 may be formed of an iron (Fe) material.
  • the trip coil assembly 10 includes a driving unit 100 and a trip unit 200 .
  • the driving unit 100 and the trip unit 200 are directly connected, and the driving force generated by the driving unit 100 may be directly transmitted to the trip unit 200 . That is, a separate member for transmitting the driving force between the driving unit 100 and the trip unit 200 is not required.
  • the driving unit 100 and the trip unit 200 may be provided integrally. Accordingly, miniaturization of the trip coil assembly 10 may be achieved, and operational reliability of the trip coil assembly 10 may be improved.
  • the magnet member 140 applies a magnetic force to the movable core 230 or the pressure plate 240 .
  • the magnetic force is a direction in which the movable core 230 or the pressing plate 240 is attracted toward the magnet member 140 .
  • the pressure plate 240 presses the elastic member 150 and is positioned to face the magnet member 140 .
  • the magnitude of the elastic force or restoring force stored in the elastic member 150 is smaller than the magnitude of the magnetic force applied by the magnet member 140 to the movable core 230 or the pressing plate 240 . Accordingly, the movable core 230 and the pressing plate 240 may maintain a pressing state of the elastic member 150 .
  • the PCB (not shown) applies the current to the coil member 130 .
  • the current flows into the coil member 130 through the connector 120 .
  • the coil member 130 forms a magnetic field by the applied current.
  • the direction of the magnetic field is opposite to the direction of the magnetic force that the magnet member 140 applies to the movable core 230 or the pressing plate 240 .
  • the magnetic force formed by the magnet member 140 is canceled by the magnetic field. That is, the elastic force by the elastic member 150 is mainly applied to the movable core 230 or the pressing plate 240 .
  • the pressing plate 240 and the movable core 230 are moved in a direction away from the magnet member 140 , that is, toward the front side in the illustrated embodiment (see arrows in FIGS. 7 and 8 ).
  • the trip bar 210 is coupled through the movable core 230 . Accordingly, as the movable core 230 is moved, the trip bar 210 is also moved integrally (see arrows in FIGS. 7 and 8 ). Accordingly, the contact end 216 of the trip bar 210 hits and rotates the nail part (not shown) of the circuit breaker. As a result, a trip operation can be performed.
  • the reset bar 220 is through-coupled to the movable core 230 . Accordingly, as the movable core 230 is moved, the reset bar 220 is also integrally moved. Accordingly, the reset bar 220 is rotated and strikes a mechanism (not shown) of the circuit breaker (refer to the arrow in FIG. 8 ). As a result, a trip operation can be performed.
  • the trip bar 210 and the reset bar 220 are moved integrally to perform a trip operation.
  • the reset bar 220 may be manipulated to return the trip coil assembly 10 to a state before the trip operation is performed.
  • actuator actuator
  • trip bar trip bar

Landscapes

  • Breakers (AREA)

Abstract

La présente invention concerne un ensemble bobine de déclenchement. Un ensemble bobine de déclenchement, selon un mode de réalisation de la présente invention, comprend : un noyau mobile déplacé par une force élastique d'un élément élastique ; et une barre de déclenchement qui se déplace conjointement avec le mouvement du noyau mobile et frappe un mécanisme de déclenchement. La barre de déclenchement est directement couplée au noyau mobile et se déplace d'un seul tenant avec le noyau mobile. Ainsi, un élément supplémentaire pour transmettre le mouvement du noyau mobile à la barre de déclenchement n'est pas nécessaire. Par conséquent, l'espace que l'ensemble bobine de déclenchement occupe peut être réduit au minimum.
PCT/KR2020/004817 2019-11-26 2020-04-09 Ensemble bobine de déclenchement Ceased WO2021107292A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020190153638A KR102303547B1 (ko) 2019-11-26 2019-11-26 트립 코일 조립체
KR10-2019-0153638 2019-11-26

Publications (1)

Publication Number Publication Date
WO2021107292A1 true WO2021107292A1 (fr) 2021-06-03

Family

ID=76130292

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/KR2020/004817 Ceased WO2021107292A1 (fr) 2019-11-26 2020-04-09 Ensemble bobine de déclenchement

Country Status (2)

Country Link
KR (1) KR102303547B1 (fr)
WO (1) WO2021107292A1 (fr)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5894257A (en) * 1996-09-23 1999-04-13 Schneider Electric Sa Electromagnetic trip for an electrical apparatus for protection
JPH11185592A (ja) * 1997-12-25 1999-07-09 Hitachi Ltd 回路遮断器とその電圧引き外し装置
KR200212855Y1 (ko) * 1998-11-26 2001-02-15 이종수 배선용 차단기의 전자식 트립코일 기구
KR100928934B1 (ko) * 2007-12-13 2009-11-30 엘에스산전 주식회사 누전차단기의 트립 코일 어셈블리
KR20100080049A (ko) * 2008-12-31 2010-07-08 엘에스산전 주식회사 배선용 차단기

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101964641B1 (ko) 2017-05-22 2019-04-02 김주철 트립바의 신속 플롭 동작이 가능한 순시 트립 차단기
KR102015393B1 (ko) 2019-05-10 2019-08-28 주식회사 광명전기 차단기 구동용 영구자석 액추에이터

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5894257A (en) * 1996-09-23 1999-04-13 Schneider Electric Sa Electromagnetic trip for an electrical apparatus for protection
JPH11185592A (ja) * 1997-12-25 1999-07-09 Hitachi Ltd 回路遮断器とその電圧引き外し装置
KR200212855Y1 (ko) * 1998-11-26 2001-02-15 이종수 배선용 차단기의 전자식 트립코일 기구
KR100928934B1 (ko) * 2007-12-13 2009-11-30 엘에스산전 주식회사 누전차단기의 트립 코일 어셈블리
KR20100080049A (ko) * 2008-12-31 2010-07-08 엘에스산전 주식회사 배선용 차단기

Also Published As

Publication number Publication date
KR102303547B1 (ko) 2021-09-17
KR20210064904A (ko) 2021-06-03

Similar Documents

Publication Publication Date Title
WO2022231219A1 (fr) Unité d'extinction d'arc et disjoncteur à air la comprenant
WO2021112343A1 (fr) Unité de formation de trajet d'arc et relais à courant continu la comportant
WO2021096004A1 (fr) Dispositif de déclenchement
WO2022114772A1 (fr) Disjoncteur
WO2023090792A1 (fr) Unité de formation de trajet d'arc et relais à courant continu la comprenant
WO2022240004A1 (fr) Interrupteur et disjoncteur à air le comprenant
WO2021177676A2 (fr) Ensemble d'extinction d'arc et disjoncteur équipé dudit ensemble
WO2021177675A1 (fr) Ensemble d'extinction d'arc
WO2021107292A1 (fr) Ensemble bobine de déclenchement
WO2024219599A1 (fr) Dispositif de comptage d'entrées de disjoncteur
WO2021100984A1 (fr) Ensemble barre transversale et ensemble de déclenchement le comprenant
WO2023096164A1 (fr) Relais à courant continu
WO2022211230A1 (fr) Disjoncteur à vide
WO2021075945A1 (fr) Contacteur électromagnétique susceptible d'éteindre efficacement un arc
WO2021230515A1 (fr) Unité à noyau mobile et relais à courant continu la comportant
WO2022240272A1 (fr) Unité d'extinction d'arc et disjoncteur à air la comprenant
WO2022240033A1 (fr) Unité de coupure de circuit et disjoncteur à air la comprenant
WO2023132600A1 (fr) Structure de borne
WO2022098021A1 (fr) Ensemble de verrouillage et contacteur magnétique le comprenant
WO2024237482A1 (fr) Ensemble de contact mobile et contacteur électromagnétique comprenant celui-ci
WO2022234990A1 (fr) Unité d'extinction d'arc et disjoncteur à air la comprenant
WO2022240032A1 (fr) Unité d'extinction d'arc, unité d'interruption et disjoncteur à air correspondant
WO2025127319A1 (fr) Contacteur magnétique
WO2022234989A1 (fr) Unité de disjoncteur et disjoncteur à air la comprenant
WO2023128152A1 (fr) Dispositif de capteur

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 20892785

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 20892785

Country of ref document: EP

Kind code of ref document: A1