WO2018189778A1 - 気中遮断器 - Google Patents
気中遮断器 Download PDFInfo
- Publication number
- WO2018189778A1 WO2018189778A1 PCT/JP2017/014649 JP2017014649W WO2018189778A1 WO 2018189778 A1 WO2018189778 A1 WO 2018189778A1 JP 2017014649 W JP2017014649 W JP 2017014649W WO 2018189778 A1 WO2018189778 A1 WO 2018189778A1
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- WO
- WIPO (PCT)
- Prior art keywords
- fixed
- iron core
- circuit breaker
- air circuit
- shaft
- 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.)
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H3/00—Mechanisms for operating contacts
- H01H3/22—Power arrangements internal to the switch for operating the driving mechanism
- H01H3/28—Power arrangements internal to the switch for operating the driving mechanism using electromagnet
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H3/00—Mechanisms for operating contacts
- H01H3/32—Driving mechanisms, i.e. for transmitting driving force to the contacts
- H01H3/46—Driving mechanisms, i.e. for transmitting driving force to the contacts using rod or lever linkage, e.g. toggle
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H31/00—Air-break switches for high tension without arc-extinguishing or arc-preventing means
- H01H31/02—Details
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
- H01H33/02—Details
- H01H33/28—Power arrangements internal to the switch for operating the driving mechanism
- H01H33/38—Power arrangements internal to the switch for operating the driving mechanism using electromagnet
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H50/00—Details of electromagnetic relays
- H01H50/64—Driving arrangements between movable part of magnetic circuit and contact
- H01H50/643—Driving arrangements between movable part of magnetic circuit and contact intermediate part performing a rotating or pivoting movement
- H01H50/644—Driving arrangements between movable part of magnetic circuit and contact intermediate part performing a rotating or pivoting movement having more than one rotating or pivoting part
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H31/00—Air-break switches for high tension without arc-extinguishing or arc-preventing means
- H01H31/26—Air-break switches for high tension without arc-extinguishing or arc-preventing means with movable contact that remains electrically connected to one line in open position of switch
- H01H31/28—Air-break switches for high tension without arc-extinguishing or arc-preventing means with movable contact that remains electrically connected to one line in open position of switch with angularly-movable contact
Definitions
- This invention relates to an air circuit breaker provided with an electromagnetic operation mechanism for moving a movable contact to or away from a fixed contact.
- an air circuit breaker equipped with an electromagnetic operation mechanism for turning a movable contact to or from a fixed contact as one of the air circuit breakers that opens and closes a fixed contact and a movable contact in the atmosphere.
- a conventional air circuit breaker equipped with an electromagnetic operation mechanism includes, for example, a fixed conductor having a fixed contact, and a movable element that has a movable contact and is driven so as to insert or remove the movable contact with respect to the fixed contact. And a shaft provided to be rotatable about an axis, and a first connecting portion that is pivotally connected to the shaft at a first predetermined distance in a direction perpendicular to the axis. And an operating arm connected to the mover by a second connecting portion, and a third connecting portion provided at a different position in the circumferential direction of the shaft relative to the first connecting portion and connected to the shaft.
- An electromagnetic operating means having a drive shaft driven so as to move on a straight line perpendicular to the axis at a second predetermined distance; and energizing the electromagnetic operating means to drive the drive shaft
- the shaft is rotated by Is configured to drive the movable element through said operating arm Te (e.g., see Patent Document 1).
- the electromagnetic operation mechanism as the electromagnetic operation means described above is configured such that an electromagnetic coil is inserted into a fixed iron core, and a movable iron core having a drive shaft is attracted to the fixed iron core by excitation of the electromagnetic coil.
- a fixed iron core of an electromagnetic operation mechanism is manufactured, for example, by stacking and integrating a predetermined number of magnetic iron plates manufactured by punching (see, for example, Patent Document 2).
- the electromagnetic operation mechanism as the electromagnetic operation means disclosed in Patent Document 1 is provided in the space portion of the insulating casing, and is generally fixed to the insulating casing in order to fix the position of the electromagnetic operating mechanism.
- the output of the electromagnetic operating mechanism is also large, and the number of magnetic iron plates that make up the fixed iron core also increases, so the lamination tolerance of the thickness of the magnetic iron plate increases, and insulation
- the position of the drive shaft from the housing may vary. If the position of the drive shaft varies, the position of the link connected to the drive shaft may vary or the drive shaft may become slanted, making it impossible to secure a sufficient amount of movement of the movable contact in a predetermined direction. In the worst case, the air circuit breaker may not be turned on.
- the present invention has been made to solve the above-mentioned problems in the conventional air circuit breaker, and there is little variation in the position of the drive shaft of the electromagnetic operation mechanism with respect to the insulating housing, and stable closing operation.
- An object of the present invention is to provide an air circuit breaker capable of performing the above.
- the air circuit breaker according to the present invention is A fixed conductor having a fixed contact; A movable element having a movable contact, and driven to be turned on or off with respect to the fixed contact; A shaft provided so as to be rotatable about an axis; An operation arm that is pivotally coupled to the shaft by a first coupling portion at a first predetermined distance in a direction perpendicular to the axis and is coupled to the movable element by a second coupling portion.
- a straight line that is connected to the shaft by a third connecting part provided at a different position in the circumferential direction of the shaft with respect to the first connecting part, and is orthogonal to the axial center at a second predetermined distance.
- An electromagnetic operating mechanism having a drive shaft driven to move with With
- the electromagnetic operation mechanism is A fixed iron core, a movable iron core configured by being laminated with a plurality of magnetic iron plates and movably provided with respect to the fixed iron core, fixed to the fixed iron core, and generates a magnetic flux by being energized.
- the fixed iron core includes a mounting portion provided on a part of the plurality of magnetic iron plates,
- the drive shaft is fixed to the movable iron core, led out of the fixed iron core through a gap provided in the magnetic iron plate provided with the attachment portion, and connected to the shaft,
- the position of the central axis of the drive shaft with respect to the insulating casing is set by fixing the fixed iron core to a rib provided in the insulating casing by the mounting portion. It is characterized by that.
- the fixed iron core includes a mounting portion provided on a part of the plurality of magnetic iron plates, the drive shaft is fixed to the movable iron core, and the mounting portion is It is led out of the fixed iron core through a gap provided in the magnetic iron plate provided and connected to the shaft, and the fixed iron core is fixed to a rib provided in the insulating casing by the mounting portion.
- FIG. 1 is a block diagram showing an air circuit breaker according to Embodiment 1 of the present invention.
- the insulating housing 1 includes a first space portion 101 and a second space portion 102 that are partitioned by a partition wall 103 inside.
- the first fixed conductor 21 and the second fixed conductor 22 extend from the outside of the insulating housing 1 through the insulating housing 1 to the first space 101 and are exposed to the first space 101. Yes.
- the first fixed conductor 21 is also referred to as a power supply side terminal, and is connected to a power supply side conductor (not shown).
- the second fixed conductor 22 is also referred to as a load side terminal, and is connected to a load side conductor (not shown).
- a fixed contact 211 is fixed to the end of the first fixed conductor 21 exposed in the first space 101 of the insulating housing 1.
- the movable element 3 is rotatably supported at one end of the operation arm 7 by the link pin 4, and the movable contact 311 is fixed at a position facing the fixed contact 211.
- the contact pressure spring 5 urges the movable element 3 to rotate clockwise about the link pin 4 so as to apply a contact pressure between the two contacts when the movable contact 311 is inserted into the fixed contact 211.
- the mover 3 and the second fixed conductor 22 are electrically connected by a flexible conductor 6 that can be bent.
- the plate-like connecting plate 8 provided in the second space portion 102 of the insulating housing 1 is fixed to a shaft 9 that is rotatably supported around an axis 91.
- the connecting plate 8 passes through a through hole 1031 provided in the partition wall 103, and one end of the connecting plate 8 is rotatably connected to the operation arm 7 by a connecting pin 71.
- the other end of the operation arm 7 is rotatably connected to the link pin 4.
- a connecting portion between the connecting plate 8 and the other end of the operating arm 7 by the connecting pin 71 constitutes a first connecting portion, and the first connecting portion is perpendicular to the axis 91 of the shaft 9. 1 separated by a predetermined distance.
- mover 3 comprises the 2nd connection part.
- the drive shaft 13 is connected to the first connecting portion by a connecting plate 8 and a connecting pin 81 at a second predetermined distance from the axial center of the shaft 9 at different positions in the circumferential direction of the shaft 9. .
- a connecting portion between the drive shaft 13 and the connecting plate 8 by the connecting pin 81 constitutes a third connecting portion.
- FIG. 2A is a plan view showing an electromagnetic operation mechanism in the air circuit breaker according to Embodiment 1 of the present invention
- FIG. 2B is an electromagnetic operation in the air circuit breaker according to Embodiment 1 of the present invention. It is a side view which shows a mechanism.
- the electromagnetic operating mechanism 10 includes a fixed iron core 11 having an inner space and a cylindrical shape that is inserted into the inner space of the fixed iron core 11 and fixed to the fixed iron core 11.
- An electromagnetic coil 12, a movable iron core 14 inserted in the inner space 121 of the electromagnetic coil 12, and a drive shaft 13 are provided.
- One end of the drive shaft 13 is connected to the multiple ends of the connecting plate 8 as described above, and the other end is fixed to the movable iron core 14.
- the movable iron core 14 includes a first part 11A, a second part 11B, and a third part 11C disposed between the first part 11A and the second part 11B.
- the first part 11A, the second part 11B, and the third part 11C are stacked in the plate thickness direction and fixed integrally.
- the first portion 11A and the second portion 11B are configured by stacking and integrating a plurality of first magnetic iron plates 111 having the same shape, which are manufactured by removing the magnetic iron plate, in the plate thickness direction. ing.
- the first magnetic iron plate 111 includes a first side 1101, a second side 1102 that faces the first side 1101, one end of the first side 1101, and a second side 1102, respectively.
- Have The front end 1104a of the fourth side 1104 and the front end 1105a of the fifth side 1105 are opposed to each other with a predetermined interval.
- part 11C is comprised by laminating
- the second magnetic iron plate 111a includes a first attachment portion 1106, a second attachment portion 1107, a first magnetic portion protruding from a position corresponding to the third side portion 1103 of the first magnetic iron plate 111, and a first magnetic portion.
- a gap 1110 for slidably penetrating the drive shaft 13 is formed in a portion of the second magnetic iron plate 111 a corresponding to the third side 1103 of the first magnetic iron plate 111.
- FIG. 3 is an explanatory view showing a fixed state of the electromagnetic operation mechanism in the air circuit breaker according to Embodiment 1 of the present invention.
- the partition wall 103 of the insulating housing 1 includes a first rib 1041 and a second rib 1042 that extend vertically from the planar portion into the first space 102.
- the electromagnetic operating mechanism 10 is attached to the insulating housing 1 by fixing the fixed iron core 11 to the distal end portion of the first rib 1041 and the distal end portion of the second rib 1042 with a mounting screw 16.
- first attachment portion 1106 and the second attachment portion 1107 of the fixed iron core 11 are fixed to the tip end portion of the first rib 1041 by the attachment screw 16, and the third attachment portion 1108 and the fourth attachment portion of the fixed iron core 11 are fixed.
- the mounting portion 1109 is fixed to the tip end portion of the second rib 1042 by a mounting screw 16.
- the first attachment portion 1106 of the fixed core 11 is formed with an attachment hole 15 a for allowing the attachment screw 16 to pass therethrough, and the attachment screw 16 is attached to the second attachment portion 1107 of the fixed iron core 11.
- An attachment hole 15 b for penetrating is formed, an attachment hole 15 c for penetrating the attachment screw 16 is formed in the third attachment portion 1108 of the fixed iron core 11, and a fourth attachment portion 1109 of the fixed iron core 11 is formed.
- An attachment hole 15d for allowing the attachment screw 16 to pass therethrough is formed.
- the movable iron core 14 is inserted into the inner space 121 of the electromagnetic coil 12 so as to be movable in the y-axis direction of FIG. 1 (vertical direction of FIG. 1).
- the drive shaft 13 fixed to the movable iron core 14 is configured to reciprocate on a straight line in the y-axis direction in FIG. 1 (up and down direction in FIG. 1) as the movable iron core 14 moves.
- the movable iron core 14 moves upward in FIG. 1 due to the action of the magnetic flux generated by the electromagnetic coil 12, and moves to the inner wall of the third side portion 1103 of the fixed iron core 11. Adsorbed. Accordingly, the drive shaft 13 is driven upward in FIG. 1 and rotates the connecting plate 8 about the axis 91 of the shaft 9 via the connecting pin 81 of the third connecting portion in the clockwise direction in FIG. Move.
- the connecting plate 8 rotates in the clockwise direction
- the operating arm 7 is driven by the connecting plate 8 via the connecting pin 71 of the first connecting portion so as to be aligned linearly in the length direction of the connecting plate 8.
- the movable element 3 moves while compressing the contact pressure spring 5 to the right in FIG. 1, and the movable contact 311 contacts the fixed contact 211. After the movable contact 311 and the fixed contact 211 come into contact with each other, the mover 3 rotates clockwise around the link pin 4 of the second connecting portion, so that the air circuit breaker is turned on.
- the air circuit breaker includes a holding mechanism (not shown), and the holding state is held by the holding mechanism. Further, by releasing the holding mechanism, each member operates in the opposite direction to the above-described loading operation, resulting in the tripping state shown in FIG.
- the electromagnetic operating mechanism 10 extends from the partition wall 103 of the insulating housing 1 to the central axis X of the drive shaft 13 as described above. Is determined only by the accumulation of variations in the thickness of the second magnetic iron plate 111a constituting the third portion 11C. For this reason, even when the electromagnetic operation mechanism 10 is enlarged, the insulating casing is not affected by the number of stacked first magnetic iron plates 111 constituting the first part 11A and the second part 11B. It is possible to fix the electromagnetic operating mechanism 10 with little variation in the position of the central axis of the drive shaft 13 from one partition wall 103. Thereby, the positional relationship of the other components connected to the drive shaft 13 is stabilized, and a stable throwing operation can be performed.
- FIG. 4 is an explanatory view showing a fixed state of the electromagnetic operation mechanism in the air circuit breaker according to Embodiment 2 of the present invention.
- the air circuit breaker according to Embodiment 2 of the present invention shown in FIG. 4 has substantially the same structure as the air circuit breaker according to Embodiment 1 described above, except for the structure described below.
- the same reference numerals as those in FIG. 1 denote the same or corresponding parts as those in FIG.
- a portion 1051 and a second 1052 are formed.
- the distance Y between the first rib 1041 and the second rib 1042 facing each other is formed substantially the same as the length of the fixed core 11 in the y direction.
- the fixed iron core 11 is assembled into the insulating housing 1 by being press-fitted into the space between the first rib 1041 and the second rib 1042 facing each other. At this time, the fixed iron core 11 is guided by the first inclined portion 1051 and the second inclined portion 1052, and is press-fitted into the space portion where the first rib 1041 and the second rib 1042 face each other. Press fitting becomes easy.
- the fixed iron core 11 of the electromagnetic operation mechanism 10 is press-fitted between the first rib 1041 and the second rib 1042, so that the position of the electromagnetic operation mechanism 10 in the y-axis direction is sufficiently fixed. For this reason, it is possible to obtain the electromagnetic operating mechanism 10 with further less variation in the position of the drive shaft 13 in the y-axis direction from the insulating housing 1, and the positional relationship of other components connected to the drive shaft 13 is stabilized. A stable charging operation can be performed.
- FIG. 5 is an explanatory view showing a fixed state of the electromagnetic operation mechanism in the air circuit breaker according to Embodiment 3 of the present invention.
- the air circuit breaker according to Embodiment 3 of the present invention shown in FIG. 5 has substantially the same structure as the air circuit breaker according to Embodiment 1 described above, except for the structure described below.
- the same reference numerals as those in FIG. 1 denote the same or corresponding parts as those in FIG.
- a nonmagnetic first spacer 171 and a second spacer 172 are inserted between the first rib 1041 and the second rib 1042 and the attachment portions 1106, 1107, 1108, and 1109 of the fixed iron core 11. ing.
- the nonmagnetic first spacer 171 and the second spacer 172 can adjust the distance from the insulating housing 1 to the central axis X of the drive shaft 13, and positions of other components connected to the drive shaft 13. The relationship can be stabilized and a stable throwing operation can be performed.
- FIG. 6 is an explanatory view showing a fixed state of the electromagnetic operation mechanism in the conventional air circuit breaker.
- the electromagnetic operating mechanism 10 in the conventional air circuit breaker is provided with an attachment hole that penetrates the laminated magnetic iron plate 1100 that constitutes the fixed iron core 11, and an attachment screw 161 is penetrated through the through hole to the insulating casing 1. It was fixed. However, the number of laminated magnetic iron plates 1100 is large, the lamination tolerance of the thickness of the magnetic iron plate 1100 is increased, and the position from the insulating housing 1 to the central axis X of the drive shaft 13 varies greatly.
- the present invention is not limited to the air circuit breaker according to the first to third embodiments described above, and the configurations of the first to third embodiments may be combined as appropriate without departing from the spirit of the present invention. It is possible to add a part of the configuration or to omit a part of the configuration.
- the present invention can be used in the field of circuit breakers, particularly air breakers.
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- Electromagnetism (AREA)
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
- Electromagnets (AREA)
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Abstract
Description
固定接点を有する固定導体と、
可動接点を有し、この可動接点を前記固定接点に対して投入し又は引外すよう駆動される可動子と、
軸心を中心として回動可能に設けられたシャフトと、
前記軸心に対して垂直方向に第1の所定距離を隔てて第1の連結部により前記シャフトに回動自在に連結されると共に、前記可動子に第2の連結部により連結された操作アームと、
前記第1の連結部に対し前記シャフトの周方向の異なる位置に設けられた第3の連結部により前記シャフトに連結され、前記軸心に対して第2の所定距離を隔てて直交する直線上で移動するよう駆動される駆動軸を有する電磁操作機構と、
を備え、
前記電磁操作機構は、
固定鉄心と、複数の磁性鉄板が積層されることにより構成され前記固定鉄心に対して移動可能に設けられた可動鉄心と、前記固定鉄心に固定され、付勢されることにより磁束を発生して前記可動鉄心を移動させる電磁コイルとを備え、
前記固定鉄心は、前記複数の磁性鉄板のうちの一部の磁性鉄板に設けられた取り付け部を備え、
前記駆動軸は、前記可動鉄心に固定され、前記取り付け部が設けられた前記磁性鉄板に設けられた隙間を介して前記固定鉄心の外部に導出されて前記シャフトに連結され、
前記固定鉄心は、前記取り付け部により絶縁筐体に設けられたリブに固定されることにより、前記絶縁筐体に対する前記駆動軸の中心軸の位置が設定されている、
ことを特徴とする。
以下、この発明の実施の形態1による気中遮断器を図に基づいて説明する。図1は、この発明の実施の形態1による気中遮断器を示す構成図である。図1に於いて、図1に於いて、絶縁筐体1は、内部に仕切壁103で仕切られた第1の空間部101と第2の空間部102を備えている。第1の固定導体21と第2の固定導体22は、それぞれ絶縁筐体1の外部から絶縁筐体1を貫通して第1の空間部101まで延び、第1の空間部101に露出している。第1の固定導体21は、電源側端子とも称され、図示しない電源側導体に接続される。第2の固定導体22は、負荷側端子とも称され、図示しない負荷側導体に接続される。絶縁筐体1の第1の空間部101に露出する第1の固定導体21の端部には固定接点211が固定されている。
次に、この発明の実施の形態2による気中遮断器について説明する。図4は、この発明の実施の形態2による気中遮断器に於ける、電磁操作機構の固定状態を示す説明図である。図4に示すこの発明の実施の形態2による気中遮断器は、次に説明する以外の構成については、先に説明した実施の形態1による気中遮断器と実質的に同一の構成を具備し、同様の作用をするものであり、図1と同一の符号は図1と同一又は相当部分を示す。
次に、この発明の実施の形態3による気中遮断器について説明する。図5は、この発明の実施の形態3による気中遮断器に於ける、電磁操作機構の固定状態を示す説明図である。図5に示すこの発明の実施の形態3による気中遮断器は、次に説明する以外の構成については、先に説明した実施の形態1による気中遮断器と実質的に同一の構成を具備し、同様の作用をするものであり、図1と同一の符号は図1と同一又は相当部分を示す。
Claims (3)
- 固定接点を有する固定導体と、
可動接点を有し、この可動接点を前記固定接点に対して投入し又は引外すよう駆動される可動子と、
軸心を中心として回動可能に設けられたシャフトと、
前記軸心に対して垂直方向に第1の所定距離を隔てて第1の連結部により前記シャフトに回動自在に連結されると共に、前記可動子に第2の連結部により連結された操作アームと、
前記第1の連結部に対し前記シャフトの周方向の異なる位置に設けられた第3の連結部により前記シャフトに連結され、前記軸心に対して第2の所定距離を隔てて直交する直線上で移動するよう駆動される駆動軸を有する電磁操作機構と、
を備え、
前記電磁操作機構は、
固定鉄心と、複数の磁性鉄板が積層されることにより構成され前記固定鉄心に対して移動可能に設けられた可動鉄心と、前記固定鉄心に固定され、付勢されることにより磁束を発生して前記可動鉄心を移動させる電磁コイルとを備え、
前記固定鉄心は、前記複数の磁性鉄板のうちの一部の磁性鉄板に設けられた取り付け部を備え、
前記駆動軸は、前記可動鉄心に固定され、前記取り付け部が設けられた前記磁性鉄板に設けられた隙間を介して前記固定鉄心の外部に導出されて前記シャフトに連結され、
前記固定鉄心は、前記取り付け部により絶縁筐体に設けられたリブに固定されることにより、前記絶縁筐体に対する前記駆動軸の中心軸の位置が設定されている、
ことを特徴とする気中遮断器。 - 前記リブは、所定の間隔を介して対向する一対のリブにより構成され、
前記一対のリブは、互いに対向する側の壁部に傾斜部をそれぞれ備え、
前記可動鉄心は、前記傾斜部を介して前記一対のリブの間に挿入されるように構成されている、
ことを特徴とする請求項1に記載の気中遮断器。 - 前記固定鉄心の取り付け部は、スペーサを介して前記リブに固定されている、
ことを特徴とする請求項1又は2に記載の気中遮断器。
Priority Applications (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020197024801A KR102234363B1 (ko) | 2017-04-10 | 2017-04-10 | 기중 차단기 |
| EP17905562.9A EP3611744A4 (en) | 2017-04-10 | 2017-04-10 | AIR CIRCUIT BREAKER |
| PCT/JP2017/014649 WO2018189778A1 (ja) | 2017-04-10 | 2017-04-10 | 気中遮断器 |
| CN201780088315.8A CN110462775B (zh) | 2017-04-10 | 2017-04-10 | 空气断路器 |
| JP2019512059A JP6714947B2 (ja) | 2017-04-10 | 2017-04-10 | 気中遮断器 |
| TW106119989A TWI662577B (zh) | 2017-04-10 | 2017-06-15 | 氣中遮斷器 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/JP2017/014649 WO2018189778A1 (ja) | 2017-04-10 | 2017-04-10 | 気中遮断器 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2018189778A1 true WO2018189778A1 (ja) | 2018-10-18 |
Family
ID=63792724
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/JP2017/014649 Ceased WO2018189778A1 (ja) | 2017-04-10 | 2017-04-10 | 気中遮断器 |
Country Status (6)
| Country | Link |
|---|---|
| EP (1) | EP3611744A4 (ja) |
| JP (1) | JP6714947B2 (ja) |
| KR (1) | KR102234363B1 (ja) |
| CN (1) | CN110462775B (ja) |
| TW (1) | TWI662577B (ja) |
| WO (1) | WO2018189778A1 (ja) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP7499684B2 (ja) | 2020-11-20 | 2024-06-14 | 三菱電機株式会社 | 電磁アクチュエータおよび遮断器 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112594646B (zh) * | 2021-01-27 | 2022-06-24 | 广州汗马电子科技有限公司 | 一种自动照射障碍物且能防照人眼的前照灯 |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0689808A (ja) | 1992-09-07 | 1994-03-29 | Fuji Electric Co Ltd | ソレノイド |
| JP2008084718A (ja) * | 2006-09-28 | 2008-04-10 | Mitsubishi Electric Corp | 開閉器の操作回路及びこれを用いた電力用開閉器 |
| JP2008159270A (ja) * | 2005-07-21 | 2008-07-10 | Mitsubishi Electric Corp | 遮断器 |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1432794A (en) * | 1973-05-30 | 1976-04-22 | Guschin V Y | Electric circuit breakers |
| US7094986B2 (en) * | 2004-12-14 | 2006-08-22 | Eaton Corporation | ARC chute assembly |
| JP5275301B2 (ja) * | 2010-08-12 | 2013-08-28 | 株式会社日立製作所 | 気中遮断器 |
| CN102214534B (zh) * | 2011-06-15 | 2013-04-24 | 西安西能电器新技术发展有限公司 | 一种充气柜断路器气室 |
| JP2016110920A (ja) * | 2014-12-10 | 2016-06-20 | 株式会社日立製作所 | 遮断器及び操作器並びに開閉装置 |
-
2017
- 2017-04-10 KR KR1020197024801A patent/KR102234363B1/ko active Active
- 2017-04-10 WO PCT/JP2017/014649 patent/WO2018189778A1/ja not_active Ceased
- 2017-04-10 CN CN201780088315.8A patent/CN110462775B/zh active Active
- 2017-04-10 EP EP17905562.9A patent/EP3611744A4/en not_active Withdrawn
- 2017-04-10 JP JP2019512059A patent/JP6714947B2/ja active Active
- 2017-06-15 TW TW106119989A patent/TWI662577B/zh active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0689808A (ja) | 1992-09-07 | 1994-03-29 | Fuji Electric Co Ltd | ソレノイド |
| JP2008159270A (ja) * | 2005-07-21 | 2008-07-10 | Mitsubishi Electric Corp | 遮断器 |
| JP4578433B2 (ja) | 2005-07-21 | 2010-11-10 | 三菱電機株式会社 | 遮断器 |
| JP2008084718A (ja) * | 2006-09-28 | 2008-04-10 | Mitsubishi Electric Corp | 開閉器の操作回路及びこれを用いた電力用開閉器 |
Non-Patent Citations (1)
| Title |
|---|
| See also references of EP3611744A4 |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP7499684B2 (ja) | 2020-11-20 | 2024-06-14 | 三菱電機株式会社 | 電磁アクチュエータおよび遮断器 |
Also Published As
| Publication number | Publication date |
|---|---|
| TWI662577B (zh) | 2019-06-11 |
| KR20190105099A (ko) | 2019-09-11 |
| EP3611744A1 (en) | 2020-02-19 |
| CN110462775B (zh) | 2022-04-19 |
| JP6714947B2 (ja) | 2020-07-01 |
| EP3611744A4 (en) | 2020-04-08 |
| KR102234363B1 (ko) | 2021-03-31 |
| TW201837952A (zh) | 2018-10-16 |
| CN110462775A (zh) | 2019-11-15 |
| JPWO2018189778A1 (ja) | 2019-11-07 |
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