WO2019116498A1 - 引出形遮断器 - Google Patents
引出形遮断器 Download PDFInfo
- Publication number
- WO2019116498A1 WO2019116498A1 PCT/JP2017/044901 JP2017044901W WO2019116498A1 WO 2019116498 A1 WO2019116498 A1 WO 2019116498A1 JP 2017044901 W JP2017044901 W JP 2017044901W WO 2019116498 A1 WO2019116498 A1 WO 2019116498A1
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- WO
- WIPO (PCT)
- Prior art keywords
- circuit breaker
- terminal
- slider
- lead
- conductor
- Prior art date
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B11/00—Switchgear having carriage withdrawable for isolation
- H02B11/02—Details
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B11/00—Switchgear having carriage withdrawable for isolation
- H02B11/24—Shutters or guards
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/56—Cooling; Ventilation
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B11/00—Switchgear having carriage withdrawable for isolation
- H02B11/02—Details
- H02B11/04—Isolating-contacts, e.g. mountings or shieldings
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B11/00—Switchgear having carriage withdrawable for isolation
- H02B11/12—Switchgear having carriage withdrawable for isolation with isolation by horizontal withdrawal
Definitions
- the present invention relates to a pullout-type circuit breaker in which a circuit breaker body is retractably housed in a pullout frame in which a terminal device is disposed.
- mold circuit breaker provided with the shutter mechanism is known.
- the shutter mechanism is drawn out in order to prevent the drawer frame side conductor from which the circuit breaker side conductor of the circuit breaker body is pulled away when the circuit breaker body is pulled out from the drawer frame and viewed from the circuit breaker body side. It has the function of covering the frame side conductor.
- a fixed shutter which is a panel having an opening through which a circuit breaker side conductor protruding from a circuit breaker main body can be inserted, and a drive mechanism cover the opening of the fixed shutter when the circuit breaker main body is pulled out.
- a shutter mechanism is disclosed which comprises a movable shutter which is moved into position.
- This invention is made in view of the above, Comprising: The draw-out type
- the purpose is
- the drawer type circuit breaker of the present invention includes a drawer frame, a terminal device, a breaker body, and a shutter mechanism.
- the terminal device has a plurality of lead frame side conductors connected to the power supply side conductor and the load side conductor, and is disposed in the lead frame.
- the circuit breaker main body has a plurality of circuit breaker side conductors connected to the plurality of lead frame side conductors in a state of being housed in the lead out frame, and can be pulled out from the inside of the lead out frame.
- the shutter mechanism has a panel unit and a shutter unit.
- the panel portion has a plurality of openings through which the plurality of circuit breaker side conductors are inserted when the circuit breaker body is stored in the drawer frame, and is disposed between the terminal device and the circuit breaker body.
- the shutter closes the plurality of openings when the circuit breaker body is pulled out of the drawer frame.
- the terminal device includes an insulating base having a plurality of terminal storage portions for storing a plurality of lead frame side conductors, and a ventilation path portion including one or more ventilation paths connected to at least one of the plurality of terminal storage portions. Prepare.
- ADVANTAGE OF THE INVENTION According to this invention, it is effective in the ability to suppress the temperature rise of the connection part of the circuit breaker side conductor of a circuit breaker main body, and the drawer frame side conductor of a terminal device.
- An external view of the drawout circuit breaker according to the first embodiment of the present invention In the pullout-type circuit breaker according to the first embodiment, an appearance view showing a state in which a breaker body is pulled out from the inside of a pullout frame The rear view which shows a mode that several terminal units which comprise the terminal device concerning Embodiment 1 are arrange
- An exploded perspective view of the terminal unit according to the first embodiment A plan view showing a configuration example of the lead frame side conductor according to the first embodiment Rear view of insulating base of terminal unit according to the first embodiment Sectional view along the line VII-VII shown in FIG.
- External perspective view of the shutter constituting the shutter mechanism according to the first embodiment An external appearance perspective view of a slider which constitutes a shutter mechanism concerning Embodiment 1.
- Front view of terminal device attached with shutter mechanism according to the first embodiment Sectional view along line XV-XV shown in FIG. Sectional drawing which shows the state from which the slider was pushed out from the terminal device concerning Embodiment 1.
- the figure for demonstrating the ventilation path formed in the drawer type circuit breaker concerning Embodiment 1 The figure for demonstrating the ventilation path formed in the drawer type circuit breaker concerning Embodiment 1
- FIG. 1 is an external view of the drawer type circuit breaker according to the first embodiment of the present invention
- FIG. 2 is a state in which the circuit breaker main body is pulled out from the inside of the drawer frame in the drawer type circuit breaker according to the first embodiment.
- a three-dimensional orthogonal coordinate system is illustrated that includes an axis and a Y-axis with the left direction of the lead-out circuit breaker 100 as the positive direction.
- the lead-out type circuit breaker 100 includes a circuit breaker main body 1 that opens and closes an electric path of a three-phase circuit, a terminal device 2 connected to the circuit breaker main body 1, and a terminal device And a drawer frame 3 in which the circuit breaker body 1 is accommodated so as to be drawn out. Furthermore, as shown in FIG. 2, the lead-out type circuit breaker 100 includes a lead-out rail 4 that connects the circuit breaker body 1 and the lead-out frame 3. The breaker body 1 can be pulled out of the drawer frame 3 by the drawer rail 4. In addition, for example, the lead-out type circuit breaker 100 is accommodated so as to be able to draw out the circuit breaker main body 1 in a housing of a closed switchboard (not shown).
- the circuit breaker body 1 has a known configuration for performing the open operation and the close operation of the electric circuit of the three-phase circuit.
- the open operation is an operation to shut off each of the R-phase, S-phase and T-phase electric circuits in the three-phase circuit
- the closing operation is an electric circuit of R-phase, S-phase and T-phase in the three phase circuit It is an operation to connect.
- the circuit breaker body 1 may be configured to perform the opening operation and the closing operation of the electric path of the single phase circuit.
- the circuit breaker body 1 has a housing 10 incorporating a fixed contact, a movable contact, an open / close mechanism, and a tripping mechanism (not shown), and circuit breaker conductors 11-1 and 11-2, which project rearward of the housing 10, 11-3, 12-1, 12-2, 12-3.
- the fixed contact and the movable contact are provided for each phase.
- the circuit breaker side conductor 12-3 is located at an invisible position, it is not shown but provided below the circuit breaker side conductor 11-3.
- each of the circuit breaker side conductors 11-1, 11-2, 11-3 is referred to as the circuit breaker side conductor 11 without being distinguished individually, and the circuit breaker side conductors 12-1, 12-2, 12-3, Each of 12-3 may be described as the circuit breaker side conductor 12 without distinction from each other.
- the front surface portion 10a of the housing 10 is provided with an operation button (not shown), and when the operation button is operated, the closing operation in which the movable contact contacts the fixed contact in phase unit and the movable contact in phase unit An opening operation is performed which deviates from the fixed contact.
- the movable contact contacts the fixed contact in phase units, the electric path of the three-phase circuit is connected, and the circuit breaker body 1 is energized. Further, the movable contact is separated from the fixed contact in phase units, whereby the electric path of the three-phase circuit is cut off and the circuit breaker body 1 is deenergized.
- the tripping mechanism provided in the housing 10 is configured to automatically separate the movable contact from the fixed contact in phase units to shut off the electric path of the three-phase circuit when an overcurrent flows in the three-phase circuit. have.
- Circuit-breaker-side conductors 11-1, 11-2, 11-3 are connected to fixed contacts provided in housing 10, and electrically connected to a power-supply-side conductor (not shown) via terminal device 2 It is a conductor.
- Circuit-breaker-side conductors 12-1, 12-2, 12-3 are connected to movable contacts provided in housing 10, and electrically connected to a load-side conductor (not shown) via terminal device 2. It is a conductor.
- the circuit breaker side conductors 11-1 and 12-1 are conductors forming an electric path of R phase
- the circuit breaker side conductors 11-2 and 12-2 are conductors forming an electric path of S phase
- the side conductors 11-3 and 12-3 are conductors that form a T-phase electric path.
- the circuit breaker conductors 11-1, 11-2, 11-3 are positioned above the circuit breaker conductors 12-1, 12-2, 12-3,
- the circuit breaker conductors 11-1, 11-2, 11-3 may be positioned lower than the circuit breaker conductors 12-1, 12-2, 12-3.
- the terminal device 2 includes a plurality of insulating bases 21 and lead frame side conductors 22-1, 22-2, 22-3, 23-1, 23-3 housed with the plurality of insulating bases 21 with the rear portion projecting. And 22-3.
- One end of the leadout frame side conductor 22-1 is connected to the power supply side conductor of R phase (not shown), and the other end is the circuit breaker side conductor 11- when the circuit breaker body 1 is accommodated in the leadout frame 3.
- One end of the leadout frame side conductor 22-2 is connected to the power source side conductor of the S phase (not shown), and the other end is the circuit breaker side conductor 11- when the circuit breaker body 1 is housed in the leadout frame 3. Connected to 2.
- a power supply side conductor is a conductor which connects a power supply device and the drawer type
- one end of the leadout frame side conductor 23-1 is connected to the load side conductor of R phase (not shown), and the other end is the circuit breaker side conductor when the circuit breaker body 1 is accommodated in the leadout frame 3 Connected to 12-1.
- One end of the leadout frame side conductor 23-2 is connected to the load side conductor of the S phase (not shown), and the other end is the circuit breaker side conductor 12-when the circuit breaker body 1 is housed in the leadout frame 3 Connected to 2.
- the load-side conductor is a conductor that connects the load to which power is supplied from the power supply device and the lead-out circuit breaker 100.
- the load is, for example, an electrical device operated by the power from the power supply device.
- each of the lead frame side conductors 22-1, 22-2, 22-3 is referred to as the lead frame side conductor 22 without being separately distinguished, and the lead frame side conductors 23-1, 23-2, 23- Each of 3 may be described as the drawer frame side conductor 23 without being distinguished individually.
- the configuration of the terminal device 2 will be described in detail later.
- the drawer frame 3 includes left and right side plates 31 and 32. As shown in FIG. 1, the circuit breaker body 1 is retractably accommodated in the drawer frame 3 which is an area surrounded by the left and right side plates 31 and 32. Further, the terminal device 2 is detachably disposed in the drawer frame 3.
- the storage of the circuit breaker body 1 in the drawer frame 3 is performed with the front surface portion 10 a of the breaker body 1 exposed, and the arrangement of the terminal device 2 in the drawer frame 3 is , It is performed in the state which the drawer-frame side conductors 22 and 23 protruded back.
- the drawer frame 3 is not limited to the structure shown to FIG. 1 and FIG. 2, Moreover, the accommodation position of the circuit breaker main body 1 in the drawer frame 3 and the arrangement position of the terminal device 2 in the drawer frame 3 It is not limited to the example shown in FIG. 1 and FIG.
- the draw-out rail 4 is a draw-out rail connecting the circuit breaker main body 1 and the draw-out frame 3 so that the circuit breaker main body 1 can be drawn out from within the draw-out frame 3. And a plurality of rail members 41 and 42 connected to each other.
- the drawer rail 4 should just be a structure which couples the circuit breaker body 1 and the drawer frame 3 so that the circuit breaker body 1 can be pulled out from the inside of the drawer frame 3, and is not limited to the structure shown in FIG.
- the drawer-type breaker 100 may be provided with one or more members for connecting the breaker body 1 and the drawer frame 3 so that the breaker body 1 can be pulled out from inside the drawer frame 3.
- the circuit breaker main body 1 includes, for example, a drawer handle and a drawer mechanism (not shown), and by pulling the drawer handle engaged with the drawer mechanism and rotating it, the drawer rail 4 can be expanded and contracted in the front-rear direction by the drawer mechanism. it can.
- the circuit breaker body 1 is pulled out from the inside of the drawer frame 3 by the drawing rail 4 extending in the front-rear direction, and the circuit breaker body 1 is accommodated in the drawing frame 3 by the drawing rail 4 contracting in the front-rear direction.
- the circuit breaker side conductors 11, 12 and the lead frame side conductors 22, 23 of the terminal device 2 are connected.
- FIG. 3 is a rear view showing how a plurality of terminal units constituting the terminal device according to the first embodiment are arranged in the drawer frame.
- the terminal device 2 includes three terminal units 20-1, 20-2, and 20-3.
- FIG. 3 a state in which the terminal units 20-1, 20-2, 20-3 are arranged in the drawer frame 3 is shown.
- the bidirectional arrows shown in FIG. 3 indicate the moving directions of the terminal units 20-1 and 20-2.
- the terminal units 20-1, 20-2 and 20-3 can be arranged in the drawer frame 3 by moving the drawer frame 3 from the upper side to the lower side, and by moving them upward, the terminal units 20-1, 20-2, 20-3 can be arranged from the drawer frame 3 It is possible to remove.
- the holding plates 33 and 34 are fixed to the side plates 31 and 32, and by removing the holding plate 33 from the side plates 31 and 32, the terminal units 20-1, 20-2, and 20-3 are removed from the inside of the drawer frame 3. be able to.
- the terminal device 2 is detachably disposed in the drawer frame 3.
- the terminal unit 20-1 is provided with lead frame side conductors 22-1 and 22-1 which are R-phase conductors. Further, the terminal unit 20-2 includes the lead frame side conductors 22-2 and 23-2 which are the S phase conductors. The terminal unit 20-3 further includes lead frame side conductors 22-3 and 23-3 which are T-phase conductors.
- the terminal device 2 shown in FIG. 3 is comprised by three terminal units 20-1, 20-2, and 20-3, the several insulation base of terminal units 20-1, 20-2, and 20-3 is carried out. By integrally molding 21, the terminal device 2 can also be configured with one terminal unit.
- FIG. 4 is an exploded perspective view of the terminal unit according to the first embodiment
- FIG. 5 is a plan view showing a configuration example of a lead frame side conductor according to the first embodiment.
- the terminal unit 20-2 includes the insulating base 21 and the lead frame side conductors 22-2 and 23-2.
- the insulating base 21 includes a terminal storage portion 211 into which the leadout frame side conductor 22-2 is inserted, and a terminal storage portion 212 into which the leadout frame side conductor 23-2 is inserted.
- the lead frame side conductor 22-2 includes a terminal conductor 221, a relay terminal conductor 222, and a connector 223. Further, the lead frame side conductor 23-2 includes a terminal conductor 231, a relay terminal conductor 232, and a connector 233. The lead frame side conductors 22-2 and 23-2 have the same configuration.
- the terminal conductor 221 of the lead-out frame side conductor 22-2 extends from the bottom 221a along the bottom 221a extending along the ZY plane, which is the first vertical plane, and is parallel to the XY plane, which is the horizontal plane. And a terminal portion 221b to be disposed.
- a power supply side conductor (not shown) is connected to the terminal portion 221 b of the terminal conductor 221.
- the terminal conductor 231 of the lead frame side conductor 23-2 includes the bottom portion 231a and the terminal portion 231b, similarly to the terminal conductor 221, and a load side conductor (not shown) is connected to the terminal portion 231b of the terminal conductor 231. .
- the bottoms 221 a and 231 a have a square shape whose four sides are equal in length in front view, and are formed in a rectangular parallelepiped shape.
- the terminal portions 221b and 231b are formed to extend rearward from the middle portion of the region sandwiched by the sides opposed in the vertical direction of the bottom portions 221a and 231a to the bottom portions 221a and 231a perpendicularly.
- the bottom surfaces of the bottoms 221a and 231a are flat surfaces.
- the terminal parts 221b and 231b are formed in T shape by side view, it is not limited to the shape shown in FIG.
- the relay terminal conductor 222 has a bottom 222a extending along the Z-Y plane, which is a first vertical surface, and a X-Z plane, which is a second vertical surface orthogonal to the first vertical plane from the bottom 222a to the front. And a tip portion 222b formed in a Y-shape in plan view. Further, similarly to the relay terminal conductor 222, the relay terminal conductor 232 of the lead frame side conductor 23-2 includes a bottom portion 232a and a tip end portion 232b.
- the relay terminal conductor 222 is inserted into the terminal storage portion 211, and the bottom portion 222 a of the relay terminal conductor 222 is fixed by the plurality of screws 25.
- the relay terminal conductor 232 is inserted into the terminal storage portion 212, and the bottom portion 232 a of the relay terminal conductor 232 is fixed by a plurality of screws 25.
- the plurality of screws 25 are attached to the relay terminal conductors 222 and 232 through a plurality of screw holes 219 provided in the insulating base 21.
- the bottom 222 a of the relay terminal conductor 222 is connected to the bottom 221 a of the terminal conductor 221 by a plurality of bolts 24. Thereby, the relay terminal conductor 222 and the terminal conductor 221 are electrically connected.
- the bottom surface of the bottom 222a is a flat surface like the bottom of the bottom 221a. Therefore, in a state where the bottom 222a of the relay terminal conductor 222 and the bottom 221a of the terminal conductor 221 are connected, the bottom surface of the bottom 222a is in contact with the bottom surface of the bottom 221a.
- the relay terminal conductor 222 and the terminal conductor 221 are fixed by four bolts 24, but the number of bolts 24 is not limited to four. Further, the relay terminal conductor 222 and the terminal conductor 221 may be detachably fixed, and may be fixed by a fastener other than the bolt 24.
- the bottom portion 232 a of the relay terminal conductor 232 is connected to the bottom portion 231 a of the terminal conductor 231 by the bolt 24. Thereby, the relay terminal conductor 232 and the terminal conductor 231 are electrically connected.
- relay terminal conductor 222 and the terminal conductor 221 are configured as separate members, any configuration may be employed as long as the relay terminal conductor 222 and the terminal conductor 221 are inserted into the insulating base 21 and fixed to the insulating base 21. May be formed by integral molding. Similarly, relay terminal conductor 232 and terminal conductor 231 may be formed by integral molding.
- the connector 223 of the lead frame side conductor 22-2 is connected to the relay terminal conductor 222.
- the connector 223 is connected to the circuit breaker side conductor 11-2 of the circuit breaker body 1 in a state where the circuit breaker body 1 is accommodated in the drawer frame 3.
- the connector 223 includes a groove 223a engaged with the relay terminal conductor 222 and a groove 223b engaged with the circuit breaker side conductor 11-2.
- the connection between the connector 223 and the relay terminal conductor 222 is made by inserting the end 222 b of the relay terminal conductor 222 into the groove 223 a of the connector 223.
- the member constituting the groove 223a and the member constituting the tip 222b have elasticity, and when the tip 222b engages with the groove 223a, the outer surface of the tip 222b and the inner wall surface of the groove 223a push each other . Therefore, the engagement between the tip end portion 222b and the groove portion 223a can be made strong, and when the circuit breaker side conductor 11-2 is pulled out from the lead frame side conductor 22-2, the relay terminal conductor 222 and the connector 223 and Can be prevented from coming off.
- the engagement between the tip 222 b and the groove 223 a also serves as a stopper.
- the connection between the connector 223 and the circuit breaker side conductor 11-1 is made by inserting the tip of the circuit breaker side conductor 11-2 into the groove 223b of the connector 223.
- the connector 223 can perform a swing operation.
- the engagement portion between the tip portion 222 b and the groove portion 223 a serves as a fulcrum for the oscillating motion of the connector 223.
- the connector 223 may be configured not to perform the swinging operation.
- the connector 233 of the lead frame side conductor 23-2 is connected to the relay terminal conductor 232, and includes a groove portion 233a engaged with the relay terminal conductor 232 and a groove portion 233b engaged with the circuit breaker side conductor 12-2.
- the connection between the connector 233 and the relay terminal conductor 232 is made by inserting the end portion 232 b of the relay terminal conductor 232 in the groove portion 233 a of the connector 233.
- the connection between the connector 233 and the circuit breaker side conductor 12-2 is made by inserting the tip of the circuit breaker side conductor 12-2 into the groove portion 233b of the connector 233.
- the terminal conductor 221, the relay terminal conductor 222, and the connector 223 may be formed by integral molding.
- the terminal conductor 231, the relay terminal conductor 232, and the connector 233 may be formed by integral molding.
- FIG. 6 is a rear view of the insulating base of the terminal unit according to the first embodiment
- FIG. 7 is a cross-sectional view taken along the line VII-VII shown in FIG.
- the terminal units 20-1, 20-2 and 20-3 have insulating bases 21 of the same configuration. Further, the cross-sectional view shown in FIG. 7 is shown in a partially simplified manner.
- the insulating base 21 includes a terminal storage portion 211 which is a space in which the leadout frame side conductor 22 is stored, and a terminal storage portion 212 which is a space in which the leadout frame side conductor 23 is stored. Equipped with
- the insulating base 21 includes a slider storage portion 213 which is a space for storing a slider 53 described later, and a slider storage portion 214 which is a space for storing a slider 54 described later.
- Slider sliding grooves 213a and 213b are formed in the slider storage portion 213, as described later. Further, slider sliding grooves are formed in the slider storage portion 214 as well as the slider storage portion 213 as described later.
- the insulating base 21 includes an air passage portion 215 and an air vent portion 216.
- the air passage portion 215 is an upper and lower air passage which is sandwiched between the upper and lower air passages 2151 formed between the terminal housing portion 211 and the terminal housing portion 212 and the slider housing portions 213 and 214 in the vertical direction and extends in the front and rear direction.
- the air passage portion 215 includes a lower air passage 2153 formed in the lower portion of the insulating base 21 and extending in the front-rear direction, and an upper air passage 2154 formed in the upper portion of the insulating base 21 and extending in the front-rear direction.
- the vent 216 is a vent 2161 continuous with the front and rear vents 2152, a vent 2162 continuous with the lower vent 2153, and a vent 2163 continuous with the upper vent 2154. including.
- the upper and lower ventilation paths 2151 are formed in a groove shape in the insulating base 21, one end portion is continuous with the terminal storage portion 211, and the other end portion is continuous with the terminal storage portion 212.
- the vertical ventilation path 2151 enables natural convection between the connection portion between the circuit breaker side conductor 11 and the lead frame side conductor 22 and the connection portion between the circuit breaker side conductor 12 and the lead out frame side conductor 23.
- the upper and lower ventilation paths 2151 share part of the space with the slider storage portions 213 and 214.
- sliders 53 and 54 described later are accommodated only in the insulating base 21 of the terminal unit 20-2 among the terminal units 20-1, 20-2 and 20-3.
- One end of the front and rear ventilation path 2152 is continuous with the vent 2161, and the other end is continuous with the vertical ventilation path 2151.
- the front and rear air passages 2152 extend from the air vent 2161 to the center of the insulating base 21 in the front and rear direction and continue to the upper and lower air passages 2151.
- the configuration may be continuous to the terminal storage portions 211 and 212.
- two front and rear vents 2152 are formed in the insulating base 21 at intervals in the left-right direction.
- Two vents 2161 are also formed in the insulating base 21 at intervals in the left-right direction.
- the air can flow from the front surface of the insulating base 21 to the front and rear air passages 2152 from the front surface of the insulating base 21 through the front and rear air passages 2152 and the air can flow into the terminal storage portions 211 and 212 via the upper and lower air passages 2151. .
- the lower air passage 2153 has one end connected to the air vent 2162 and the other end connected to the terminal housing 212.
- the lower air passage 2153 can allow air to flow into the terminal storage portion 212 via the air vent 2162 of the insulating base 21.
- the lower air passage 2153 extends from the air vent 2162 to the central portion in the front-rear direction of the insulating base 21 and continues to the terminal storage portion 212.
- the lower air passage 2153 has a bent portion 2153a which is bent upward so as not to be in direct contact with the lead frame side conductor 23-2.
- the lower air passage 2153 may have a bent shape so as not to be in direct contact with the lead frame side conductor 23-2, and is not limited to the configuration shown in FIG.
- One end of the upper air passage 2154 is continuous with the air vent 2163, and the other end is continuous with the terminal storage portion 211.
- air can be made to flow from the front surface of the insulating base 21 to the terminal housing portion 211 via the air vent 2163.
- the upper air passage 2154 extends from the air vent 2163 to the central portion in the front-rear direction of the insulating base 21 and is continuous with the terminal storage portion 211. Further, the upper air passage 2154 has a bending portion 2154a which is bent downward so as not to be in direct contact with the lead frame side conductor 22-2. The upper air passage 2154 may have a bent shape so as not to be in direct contact with the lead frame side conductor 22-2, and is not limited to the configuration shown in FIG.
- the air passage portion 215 and the air vent portion 216 are formed in the insulating base 21.
- the temperature rise of the connection portion can be suppressed.
- FIG. 8 is an exploded perspective view of the shutter mechanism showing the relationship between the insulating base and the shutter mechanism according to the first embodiment.
- the shutter mechanism 5 includes a panel unit 51 covering the front surface of the terminal device 2, a shutter unit 52 disposed between the panel unit 51 and the terminal device 2, and sliders 53 and 54; The compression springs 55 and 56 are provided.
- the panel unit 51 includes three panels 511, 512, and 513.
- the shutter unit 52 includes two shutters 521 and 522.
- the panel portion 51 is disposed at a position facing the area 218 a between the lower end area 218 b and the upper end area 218 c in the area 218 facing the circuit breaker body 1 in the insulating base 21.
- the insulating base 21 is provided with spring receiving portions 61, 62 for receiving the compression springs 55, 56.
- the other end of the compression spring 55 is attached to a spring receiving portion 61 fixed to the insulating base 21, and the other end of the compression spring 56 is attached to a spring receiving portion 62 fixed to the insulating base 21.
- the spring receiving portions 61 and 62 are formed separately from the insulating base 21, but may be formed integrally with the insulating base 21.
- FIG. 9 is an external perspective view of a panel unit constituting the shutter mechanism according to the first embodiment.
- the panel 511 is provided with an opening 511 a through which the circuit breaker side conductor 11 is inserted, an opening 511 b through which the circuit breaker side conductor 12 is inserted, and two vents 2161. And two vents 511c and 511d.
- the panel 513 has the same configuration as the panel 511, and includes openings 513a and 513b and vents 513c and 513d similar to the openings 511a and 511b and the vents 511c and 511d.
- the panel 512 includes the openings 512a and 512b and the vents 512c and 512d similar to the openings 511a and 511b and the vents 511c and 511d of the panel 511, and further the aperture 512e through which the slider 53 is inserted and the slider 54 And an opening 512f to be inserted.
- the panel unit 51 includes three panels 511, 512, and 513. However, the panel unit 51 includes one panel on which the panels 511, 512, and 513 are integrally formed. It may be Further, in the example shown in FIG. 8, the panel unit 51 is detachably connected to the insulating base 21, but the panel unit 51 may be removably fixed to the drawer frame 3.
- FIG. 10 is an external perspective view of a shutter constituting the shutter mechanism according to the first embodiment.
- the shutter 521 includes a closing plate portion 521a, 521b, 521c, a connecting portion 521d connecting the upper end portions of the closing plate portions 521a, 521b, 521c, and a closing plate portion 521a, 521b, 521c. It has a connecting portion 521e connecting the lower end portions with each other, and a convex portion 521f projecting downward from the connecting portion 521e.
- the shutter 522 is different from the shutter 521 f of the shutter 521 in that a protrusion 522 f (not shown) protrudes upward, but the other configuration is the same as the shutter 521.
- the shutter 521 is slidably attached to the insulating base 21.
- the insulating base 21 is provided with a plurality of sliding surfaces 210.
- the shutter 521 is mounted slidably on the sliding surface 210.
- the shutter 521 can slide on the sliding surface 210 in the left-right direction to be selectively moved between the closed position and the open position.
- the closing position is a position at which the openings 511a, 512a, 513a are closed by the closing plate portions 521a, 521b, 521c.
- the open position is a position where the closing plate portions 521a, 521b, 521c do not close the openings 511a, 512a, 513a.
- FIG. 11 is an external perspective view of a slider that constitutes the shutter mechanism according to the first embodiment.
- the slider 53 has a main portion 53a formed in a square shape in a plan view, a convex portion 53b to which one end of a compression spring 55 is attached, and FIG.
- the slider sliding grooves 213a and 213b are provided with convex portions 53c and 53d that slide in the front-rear direction into the slider sliding grooves 213a and 213b.
- the slider 53 has a groove portion 53e which engages with the convex portion 521f of the shutter 521 shown in FIGS. 8 and 10, and an opening 53f which is continuously formed below the partial region of the groove portion 53e.
- the region surrounded by the convex portion 53b and the groove portion 53e is provided with an opening 53g formed to penetrate in the vertical direction.
- the groove 53e includes a first rectilinear portion 531e extending rearward from the front left side of the slider 53, an inclined portion 532e extending right rearward from the end of the first rectilinear portion 531e, and an inclined portion 532e. And a second rectilinear portion 533 e extending rearward from the end of the
- the convex portion 521f of the shutter 521 moves the inclined portion 532e of the groove portion 53e, whereby the shutter 53 is slid in the left-right direction by the slider 53.
- the slider 54 has the same configuration as the slider 53, and although not shown, the groove 54e and the openings 54f and 54g similar to the groove 53e and the openings 53f and 53g of the slider 53 are provided.
- the openings 53g and 54g of the sliders 53 and 54 are used as ventilation openings and locking openings as described later.
- FIG. 12 is a partial cross-sectional view of the pullout-type circuit breaker in which the circuit breaker body according to the first embodiment is housed in the drawer frame
- FIG. 13 is a circuit breaker body according to the first embodiment. It is a fragmentary sectional view of a drawer type circuit breaker in the state where it was pulled out from the inside of a drawer frame.
- FIG. 14 is a front view of the terminal device to which the shutter mechanism according to Embodiment 1 is attached
- FIG. 15 is a cross-sectional view along line XV-XV shown in FIG. 14, and FIG. It is a sectional view showing the state where a slider was pushed out from a terminal unit concerning mode 1.
- the partial cross-sectional views shown in FIGS. 12 and 13 show a plan view of a portion excluding the terminal device 2 and a cross-sectional view of an upper portion of the terminal device 2.
- the drawer frame 3 and the drawer rail 4 are omitted.
- the circuit breaker side conductor 11-1 is inserted into the terminal housing portion 211 of the terminal device 2 through the opening 511a of the panel 511. ing. In the terminal storage portion 211, the circuit breaker side conductor 11-1 is connected to the connector 223 of the lead frame side conductor 22-1.
- circuit breaker side conductor 11-2 is inserted into the terminal accommodating portion 211 of the terminal device 2 through the opening 512a of the panel 512, and is connected to the connector 223 of the lead frame side conductor 22-2.
- the circuit breaker side conductor 11-3 is inserted into the terminal accommodating portion 211 of the terminal device 2 through the opening 513a of the panel 513, and is connected to the connector 223 of the lead frame side conductor 22-3.
- the drawer type circuit breaker 100 is a slider storage portion of the circuit breaker body 1.
- the slider 53 pushed into 213 is pushed forward by the extension force of the compression spring 55. Therefore, after the convex part 521f of the shutter 521 slides on the groove part 53e of the slider 53 and the circuit breaker conductors 11-1, 11-2, 11-3 pass through the openings 511a, 512a, 513a, the shutter 521 is moved. Move to the left. Thus, the openings 511a, 512a, 513a are closed by the closing plate portions 521a, 521b, 521c.
- the slider 53 is pushed back to the front side of the insulating base 21, the convex portions 53 c and 53 d of the slider 53 collide with the panel 512, so the forward movement of the slider 53 is stopped.
- the relationship between the shutter 522 and the slider 54 is in principle the same as the relationship between the shutter 521 and the slider 53, since the slider 54 is attached to the terminal device 2 by reversing the slider 53 up and down.
- the moving direction of the slider 54 is opposite to the moving direction of the slider 53.
- the slider 54 is pushed forward by the extension force of the compression spring 56. Therefore, after the circuit breaker conductors 12-1, 12-2, 12-3 pass through the openings 511b, 512b, 513b, the shutter 522 moves in the right direction. Accordingly, the openings 511 b, 512 b, and 513 b are closed by the shutter 522 as in the relation between the openings 511 a, 512 a, and 513 a and the shutter 521.
- the openings 511a, 512a, 513a, 511b, 512b, 513b of the panels 511, 512, 513 are the shutters 521, when the circuit breaker body 1 is pulled out from inside the drawer frame 3. It is closed by 522. Thereby, the lead frame side conductors 22 and 23 can be exposed to the front from the terminal device 2.
- FIG. 17 is a view showing a state where the lock member is attached to the shutter mechanism according to the first embodiment.
- the structure of the terminal devices 2 other than the circuit breaker main body 1 and the insulation base 21 and the drawing-out rail 4 are not illustrated for convenience of explanation.
- the temple 71 of the lock member 7 is inserted through the openings 53g and 54g of the sliders 53 and 54, and the temple 71 is locked by the key body 72.
- the temple 71 of the lock member 7 and the key body 72 abut on the panel 51 to restrict the movement of the sliders 53 and 54 toward the insulating base 21.
- the lock member 7 shown in FIG. 17 is a padlock
- the lock member 7 is not limited to a padlock, and may be a lock member other than a padlock.
- FIG. 18 is a cross-sectional view taken along the line XVIII-XVIII shown in FIG. 14, and FIGS. 19 and 20 are views for explaining an air passage formed in the drawn circuit breaker according to the first embodiment. is there. 18 to 20, a part of the configuration of the terminal conductors 221 and 231 in the lead frame side conductors 22 and 23 is not shown. Moreover, in FIG. 19 and FIG. 20, an example of the flow of air is shown by the thick arrow.
- the upper and lower air passages 2151, the front and rear air passages 2152, the lower air passage 2153, and the upper air passage 2154 are formed in the insulating base 21 of the terminal unit 20-2.
- the lower air passage 2153 is formed in the lower end region 218b not facing the panel portion 51 in the region 218 facing the circuit breaker body 1, and the upper air passage 2154 is blocked It is formed in the upper end part area
- an exhaust portion 217 including a plurality of openings 2171, 2172, 2173, 2174, and 2175 functioning as an exhaust port is formed at the rear of the insulating base 21 shown in FIG.
- the opening 2171 is provided in the rear of the front and rear air passage 2152 continuously to the upper and lower air passage 2151, and the opening 2172 is at the rear end of the space between the terminal storage portion 211 and the slider storage portion 213 in the upper and lower air passage 2151. It is provided continuously. Further, the opening 2173 is provided continuously to the rear end of the space between the terminal storage portion 212 and the slider storage portion 214 in the upper and lower ventilation paths 2151, and the opening 2174 is continuous to the rear end of the lower ventilation path 2153. The opening 2175 is provided at the rear end of the upper air passage 2154.
- the sliders 53 and 54 are accommodated in the insulating base 21 of the terminal unit 20-2, but the slider 53 is formed with an opening 53f penetrating in the vertical direction, and similarly, the slider 54 penetrates in the vertical direction An opening 54f is formed. Therefore, as shown in FIG. 19, the air flowing into the terminal storage portion 212 from the lower air passage 2153 flows into the terminal storage portion 211 through the opening 54 f and the opening 53 f.
- the air that has flowed into the front and rear air flow path 2152 flows into the terminal storage portion 211 through the opening 53 f of the slider 53, or is formed behind the front and rear air flow path 2152 and exhausted from the opening 2171.
- the air that has flowed into the terminal storage portion 211 and the air that has flowed into the upper air passage 2154 are exhausted to the outside of the insulating base 21 through an opening 2175 formed behind the upper air passage 2154.
- the openings 2171 and 2175 function as exhaust ports.
- the vertical channel is formed in the terminal storage portions 211 and 212 by the upper and lower ventilation channels 2151, the front and rear ventilation channels 2152, the lower ventilation channel 2153, and the upper ventilation channel 2154. Therefore, the heat dissipation in the terminal storage portions 211 and 212 can be enhanced.
- the ventilation path part 215 should just be a structure which has one or more ventilation paths which can improve the heat dissipation in the terminal storage part 211,212.
- the air passage portion 215 may be configured to include three or less air passages among the upper and lower air passages 2151, the front and rear air passages 2152, the lower air passage 2153, and the upper air passage 2154.
- the air passage portion 215 may be configured to include air passages other than the upper and lower air passages 2151, the front and rear air passages 2152, the lower air passage 2153, and the upper air passage 2154.
- the openings 512 a and 512 b are not closed by the shutters 521 and 522. Therefore, as shown in FIG. 20, the gap between the circuit breaker side conductors 11 and 12 and the openings 512a and 512b functions as an air inlet, and is in phase with the front and rear air passage 2152, the lower air passage 2153, and the upper air passage 2154 etc. Whilst form a vent. Also by this, it is possible to suppress the temperature rise of the connection portion between the circuit breaker side conductors 11 and 12 of the circuit breaker body 1 and the lead frame side conductors 22 and 23 of the terminal device 2.
- the sliders 53 and 54 are not accommodated in the insulating bases 21 of the terminal units 20-1 and 20-3. Therefore, the circuit breaker conductors 11, 12 and the lead frame conductors 22, 23 are equal to or more than the terminal unit 20-2 by the upper and lower air passages 2151, the front and rear air passages 2152, the lower air passages 2153, and the upper air passages 2154. It is possible to suppress the temperature rise of the connecting part with the
- the drawer type circuit breaker 100 includes the circuit breaker main body 1, the terminal device 2, the drawer frame 3, and the shutter mechanism 5.
- the terminal device 2 includes a plurality of lead frame side conductors 22 and 23 connected to the power supply side conductor and the load side conductor, and is disposed in the lead frame 3.
- the circuit breaker main body 1 has a plurality of circuit breaker side conductors 11 and 12 connected to the plurality of lead frame side conductors 22 and 23 of the terminal device 2 in a state of being housed in the lead out frame 3. Withdrawable from is allowed.
- the shutter mechanism 5 includes a panel unit 51 and a shutter unit 52.
- the panel portion 51 has a plurality of openings 511a, 511b, 512a, 512b, 513a, 513b through which the plurality of circuit breaker side conductors 11, 12 are inserted when the circuit breaker body 1 is stored in the drawer frame 3. It is disposed between the device 2 and the circuit breaker body 1.
- the shutter unit 52 closes the plurality of openings 511 a, 511 b, 512 a, 512 b, 513 a and 513 b when the circuit breaker body 1 is pulled out from the inside of the drawer frame 3.
- the terminal device 2 includes a plurality of terminal storage portions 211 and 212 for storing the plurality of drawer frame side conductors 22 and 23, respectively, and at least one of the plurality of terminal storage portions 211 and 212 from the region facing the circuit breaker body 1 And an air passage portion 215 including one or more air passages connected thereto.
- the vent passage portion 215 can ventilate at least one of the plurality of terminal storage portions 211 and 212. Therefore, for example, when the circuit breaker main body 1 is in the energized state, the terminal housing portion 211 is ventilated to connect the circuit breaker side conductor 11 of the circuit breaker main body 1 and the lead frame side conductor 22 of the terminal device 2 It is possible to suppress the temperature rise of the part.
- the air passage portion 215 has upper and lower air passages 2151 connecting the plurality of terminal storage portions 211 and 212. Therefore, ventilation can be performed between the plurality of terminal storage portions 211 and 212, and the temperature of the connection portion between the circuit breaker side conductors 11 and 12 of the circuit breaker body 1 and the lead frame side conductors 22 and 23 of the terminal device 2 The rise can be effectively suppressed.
- the shutter portion 52 has vents 513 c and 513 d, and the vent passage portion 215 has a front and rear vent path 2152 whose one end faces the vent 513 c and 513 d. Therefore, air can be introduced into the insulating base 21 from the front of the terminal device 2.
- the front and rear air passages 2152 are inserted into the upper and lower air passages 2151, so that air flowing into the insulating base 21 from the front of the terminal device 2 is used to ventilate the plurality of terminal storage portions 211 and 212. Can.
- vent passage portion 215 communicates with the plurality of terminal storage portions 211 and 212 from the lower end portion region 218b and the upper end portion region 218c not facing the panel portion 51 in the region 218 facing the circuit breaker body 1 It has a lower air passage 2153 and an upper air passage 2154 having a shape. Since the lower air passage 2153 and the upper air passage 2154 have a bent shape, they can not be brought into direct contact with the lead frame side conductor 22 even if, for example, a finger is inserted from the front of the terminal device 2 be able to.
- the pullout type circuit breaker 100 is disposed in the insulating base 21 and moves the shutter portion 52 forward in the pulling direction of the circuit breaker main body 1 along with the pulling out of the circuit breaker main body 1 from the inside of the pullout frame 3.
- 53, 54 are provided.
- the insulating base 21 includes slider storage portions 213 and 214 formed between the terminal storage portions 211 and 212 and movably storing the sliders 53 and 54 in the direction opposite to the circuit breaker body 1.
- the sliders 53 and 54 have openings 53 f, 53 g, 54 f and 54 g that form air passages between the terminal storage portions 211 and 212.
- the sliders 53 and 54 housed in the insulating base 21 of the circuit breaker body 1 it is possible to form an air passage between the terminal storage portions 211 and 212. Therefore, the insulating base 21 of the terminal unit 20-2 in which the sliders 53 and 54 are provided and the insulating base 21 of the terminal units 20-1 and 20-3 in which the sliders 53 and 54 are not provided can be shared. The manufacturing cost of the drawout type circuit breaker 100 can be reduced.
- the openings 54f and 54g of the sliders 53 and 54 can be attached with a lock member 7 for maintaining the state in which the circuit breaker body 1 is pulled out from the inside of the drawer frame 3. Therefore, compared with the case where a member for locking the sliders 53 and 54 by the lock member 7 is separately provided, the manufacturing cost of the pullout type circuit breaker 100 can be suppressed.
- the shutter portion 52 includes a convex portion 521 f which is an example of a first engaging portion engaged with the slider 53.
- the slider 53 includes a groove 53 e which is an example of a second engaging portion that engages with the protrusion 521 f.
- the opening 53f of the slider 53 is formed continuously to the groove 53e. Thereby, the strength reduction of the slider 53 can be suppressed as compared with the case where the opening 53 f is provided in a place not continuous with the groove 53 e.
- the circuit breaker body 1 is provided with a plurality of circuit breaker side conductors 11 and 12 for each phase in three-phase alternating current.
- the terminal device 2 includes a plurality of lead frame side conductors 22 and 23 and an insulating base 21 for each phase.
- the sliders 53 and 54 are disposed on the insulating base 21 of one of the three-phase insulating bases 21. Thereby, compared with the case where the sliders 53 and 54 are provided on all the three-phase insulating bases 21, the number of parts of the lead-out type circuit breaker 100 can be reduced, and the manufacturing cost of the lead-out type circuit breaker 100 can be suppressed. .
- the configuration shown in the above embodiment shows an example of the contents of the present invention, and can be combined with another known technique, and one of the configurations is possible within the scope of the present invention. Parts can be omitted or changed.
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- Power Engineering (AREA)
- Patch Boards (AREA)
- Breakers (AREA)
- Trip Switchboards (AREA)
Abstract
Description
図1は、本発明の実施の形態1にかかる引出形遮断器の外観図であり、図2は、実施の形態1にかかる引出形遮断器において遮断器本体が引出枠内から引き出された状態を示す外観図である。なお、図1および図2を含む図面において、説明を分かりやすくするために、鉛直上向きが正方向であるZ軸と、実施の形態1にかかる引出形遮断器100の前方を正方向とするX軸と、引出形遮断器100の左方向を正方向とするY軸とを含む3次元の直交座標系を図示している。
Claims (8)
- 引出枠と、
電源側導体および負荷側導体に接続される複数の引出枠側導体を有し、前記引出枠内に配設される端子装置と、
前記引出枠内に収納された状態で前記複数の引出枠側導体と接続される複数の遮断器側導体を有し、前記引出枠内からの引き出しが可能な遮断器本体と、
前記遮断器本体の前記引出枠内への収納時に前記複数の遮断器側導体が挿通される複数の開口を有し、前記端子装置と前記遮断器本体との間に配設されるパネル部と、前記遮断器本体が前記引出枠内から引き出された場合に前記複数の開口を塞ぐシャッター部とを有するシャッター機構と、を備え、
前記端子装置は、
前記複数の引出枠側導体を収納する複数の端子収納部と、前記複数の端子収納部のうち少なくとも一つに接続される一以上の通気路を含む通気路部とを有する絶縁ベースを備える
ことを特徴とする引出形遮断器。 - 前記通気路部は、
前記複数の端子収納部間を接続する通気路を有する
ことを特徴とする請求項1に記載の引出形遮断器。 - 前記シャッター部は、
通気口を有し、
前記通気路部は、
前記通気口に一端が対向する通気路を有する
ことを特徴とする請求項1または2に記載の引出形遮断器。 - 前記通気路部は、
前記遮断器本体と対向する領域のうち前記パネル部と対向していない領域から前記複数の端子収納部の少なくとも一つに連通し、かつ屈曲形状を有する一以上の通気路を有する
ことを特徴とする請求項1から3のいずれか一つに記載の引出形遮断器。 - 前記絶縁ベース内に配置され、前記遮断器本体の前記引出枠内からの引き出しに伴って前記シャッター部を前記遮断器本体の引き出し方向に移動させるスライダーを備え、
前記絶縁ベースは、
前記端子収納部間に形成され、かつ前記スライダーを前記遮断器本体と対向する方向に移動可能に収納するスライダー収納部を備え、
前記スライダーは、
前記端子収納部間の通気路を形成する一以上の開口を有する
ことを特徴とする請求項1から4のいずれか一つに記載の引出形遮断器。 - 前記スライダーの前記一以上の開口には、
前記遮断器本体が前記引出枠内から引き出された状態を維持するためのロック部材が取り付け可能である
ことを特徴とする請求項5に記載の引出形遮断器。 - 前記シャッター部は、
前記スライダーと係合する第1係合部を備え、
前記スライダーは、
前記第1係合部と係合する第2係合部を備え、
前記スライダーの前記一以上の開口は、
前記第2係合部に連続して形成される
ことを特徴とする請求項5に記載の引出形遮断器。 - 前記遮断器本体は、
三相の交流における相毎に前記複数の遮断器側導体を備え、
前記端子装置は、
前記複数の引出枠側導体と前記絶縁ベースとを前記相毎に備え、
前記三相の前記絶縁ベースのうち一つの相の前記絶縁ベースに前記スライダーが配置される
ことを特徴とする請求項5から7のいずれか一つに記載の引出形遮断器。
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020207013084A KR20200067863A (ko) | 2017-12-14 | 2017-12-14 | 인출형 차단기 |
EP17934834.7A EP3726676B1 (en) | 2017-12-14 | 2017-12-14 | Drawer type breaker |
JP2019559494A JP6789412B2 (ja) | 2017-12-14 | 2017-12-14 | 引出形遮断器 |
PCT/JP2017/044901 WO2019116498A1 (ja) | 2017-12-14 | 2017-12-14 | 引出形遮断器 |
CN201780097582.1A CN111448728B (zh) | 2017-12-14 | 2017-12-14 | 拉出型断路器 |
TW107119829A TWI666673B (zh) | 2017-12-14 | 2018-06-08 | 拉出型斷路器 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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PCT/JP2017/044901 WO2019116498A1 (ja) | 2017-12-14 | 2017-12-14 | 引出形遮断器 |
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WO2019116498A1 true WO2019116498A1 (ja) | 2019-06-20 |
Family
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PCT/JP2017/044901 WO2019116498A1 (ja) | 2017-12-14 | 2017-12-14 | 引出形遮断器 |
Country Status (6)
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EP (1) | EP3726676B1 (ja) |
JP (1) | JP6789412B2 (ja) |
KR (1) | KR20200067863A (ja) |
CN (1) | CN111448728B (ja) |
TW (1) | TWI666673B (ja) |
WO (1) | WO2019116498A1 (ja) |
Cited By (1)
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CN114270630A (zh) * | 2019-06-26 | 2022-04-01 | 法国国家电力企业 | 用于配电盘的维护抽屉 |
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CN111448728A (zh) | 2020-07-24 |
JPWO2019116498A1 (ja) | 2020-04-02 |
EP3726676A4 (en) | 2020-12-09 |
EP3726676A1 (en) | 2020-10-21 |
TW201929022A (zh) | 2019-07-16 |
JP6789412B2 (ja) | 2020-11-25 |
EP3726676B1 (en) | 2022-10-19 |
KR20200067863A (ko) | 2020-06-12 |
TWI666673B (zh) | 2019-07-21 |
CN111448728B (zh) | 2022-03-18 |
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