WO2011121909A1 - 電磁操作機構および電磁操作機構の手動開閉装置 - Google Patents
電磁操作機構および電磁操作機構の手動開閉装置 Download PDFInfo
- Publication number
- WO2011121909A1 WO2011121909A1 PCT/JP2011/001479 JP2011001479W WO2011121909A1 WO 2011121909 A1 WO2011121909 A1 WO 2011121909A1 JP 2011001479 W JP2011001479 W JP 2011001479W WO 2011121909 A1 WO2011121909 A1 WO 2011121909A1
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- WIPO (PCT)
- Prior art keywords
- spring
- iron core
- opening
- contact
- load
- Prior art date
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Classifications
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- 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
- H01H33/60—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
- H01H33/66—Vacuum switches
- H01H33/666—Operating arrangements
- H01H33/6662—Operating arrangements using bistable electromagnetic actuators, e.g. linear polarised electromagnetic actuators
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- 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
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H1/00—Contacts
- H01H1/50—Means for increasing contact pressure, preventing vibration of contacts, holding contacts together after engagement, or biasing contacts to the open position
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H3/00—Mechanisms for operating contacts
- H01H3/22—Power arrangements internal to the switch for operating the driving mechanism
- H01H3/28—Power arrangements internal to the switch for operating the driving mechanism using electromagnet
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- 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
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- 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
- H01H33/40—Power arrangements internal to the switch for operating the driving mechanism using spring motor
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- 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
- H01H33/60—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
- H01H33/66—Vacuum switches
- H01H33/666—Operating arrangements
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H3/00—Mechanisms for operating contacts
- H01H3/02—Operating parts, i.e. for operating driving mechanism by a mechanical force external to the switch
- H01H3/04—Levers
Definitions
- the present invention relates to an electromagnetic operation mechanism that displaces a movable iron core relative to a fixed iron core by energizing an electromagnetic coil applied to an opening / closing device used in power transmission / distribution and power receiving equipment, and a manual opening / closing operation that manually opens / closes the electromagnetic operation mechanism It relates to the device.
- an open spring or contact pressure spring is stored when the pole is closed, and the movable iron core of the electromagnet is attracted to the fixed iron core by the attractive force generated by the permanent magnet. Yes.
- the breaking action is caused by the load generated by the open spring or the contact spring.
- the present invention has been made to solve the above-described problems.
- An electromagnetic operation mechanism capable of reducing a load acting on a manual opening / closing device during low-speed opening / closing and the electromagnetic operation mechanism manually.
- An object of the present invention is to obtain a manual opening / closing device capable of low-speed opening / closing.
- the release spring Since the distance between the support point connected to the connection rod and the connection point of the connection rod of the release spring is larger than the distance between the support point and the connection point of the connection rod of the drive shaft of the electromagnet, the release spring The load required at the portion is reduced, and the load on the manual opening / closing device disposed in the opening spring portion is reduced.
- the end of the bolt bar of the manual switchgear is in contact with the open spring shaft, and the load generated by the open spring and contact spring is received by the screw structure, preventing the shut-off operation, and the movable contact and movable at low speed
- the iron core can be moved, and the contact can be gripped at an intermediate position between the open position and the closed position.
- Sectional drawing which shows the closing state of the switchgear by Embodiment 1 of this invention
- Sectional drawing which shows the opening state of the contact of the switchgear of FIG.
- Fig. 3 is a top view of the latch mechanism of the manual switchgear. View of the open spring receiver as viewed from above in FIG.
- FIG. 1 is a cross-sectional view showing a switchgear according to Embodiment 1 of the present invention.
- FIG. 2 is a cross-sectional view showing a state where the contacts of the switchgear in FIG. 1 are open (opened state).
- FIG. 1 is a diagram illustrating a state where the contact of the switchgear 1 is closed (closed state).
- a switching device 1 includes a fixed contact 2, a movable contact 3 that can be brought into and out of contact with the fixed contact 2, a vacuum valve 4 that houses the fixed contact 2 and the movable contact 3, and an open spring 9 that displaces the movable contact 3.
- the electromagnetic operating mechanism 5 refers to a mechanism including the electromagnet 10, the open spring 9, and the connecting rod 45 that drives from the pressure contact device 15 to the movable contact 3.
- the movable contact 3 contacts and is separated from the fixed contact 2 by displacement in the axial direction of the switchgear 1 (hereinafter simply referred to as “axial direction”).
- the contact of the switchgear 1 is closed when the movable contact 3 is in contact with the fixed contact 2 and is opened when the movable contact 3 is separated from the fixed contact 2.
- the inside of the vacuum valve 4 is kept in vacuum to improve the arc extinguishing ability between the fixed contact 2 and the movable contact 3.
- the movable contact 3 is brought into and out of contact with the fixed contact 2 within the vacuum valve 4.
- a negative pressure is generated because the inside of the vacuum valve 4 is in a vacuum, and a force for the movable contact 3 to close with respect to the fixed contact 2 acts.
- the electromagnet 10 is supported by a plate-like support member 7. Further, the electromagnet 10 includes a drive shaft 8 connected via the movable contact 3, the insulating rod 14, and the contact pressure device 15.
- the drive shaft 8 penetrates the support member 7 so as to be displaceable in the axial direction.
- the drive shaft 8 is made of a material having a low magnetic permeability (low magnetic material) (for example, stainless steel).
- the electromagnet 10 is provided with a fixed iron core 19 and a movable iron core 20 to which the drive shaft 8 is fixed and which can be displaced in the axial direction with respect to the fixed iron core 19.
- the open spring 9 is compressed between the open spring receiver 40 and the support member 7 and generates an elastic repulsive force in the axial direction.
- the open spring shaft 41 connected to the open spring receiver 40 is connected to the connecting rod 45 attached to the fulcrum 43 attached to the support member 7 and connected to the drive shaft 8 so that the distance from the fulcrum 43 is farther than the drive shaft 8.
- the drive shaft 8 is urged in a direction in which the movable contact 3 is separated from the fixed contact 2 by the elastic repulsive force of the open spring 9 acting on the connecting rod 45.
- the drive shaft 8 is selected by controlling the electromagnet 10 in either the direction in which the movable contact 3 contacts the fixed contact 2 (closed direction) or the direction in which the movable contact 3 moves away from the fixed contact 2 (opening direction). Displaced.
- the electromagnet 10 is insulated from the movable contact 3 by an insulating rod 14.
- the contact pressure device 15 is fixed to the spring frame 16 and the distal end portion of the drive shaft 8, and is connected between the spring frame 16 and the spring plate 16 and the spring plate 16. And a contact pressure spring 18 is provided.
- the drive shaft 8 can be displaced in the axial direction with respect to the spring frame 16 together with the stopper plate 17.
- the contact pressure spring 18 urges the drive shaft 8 in a direction away from the movable contact 3.
- the displacement of the drive shaft 8 in the direction away from the movable contact 3 is regulated by the engagement of the stopper plate 17 with the spring frame 16.
- the movable iron core 20 is displaceable between a retracted position (FIG. 2) away from the fixed iron core 19 and an advanced position (FIG. 1) closer to the fixed iron core 19 than the retracted position.
- the reverse position is determined by a stopper 90 provided on the drive shaft 8.
- the movable contact 3 is separated from the fixed contact 2 when the movable iron core 20 is in the retracted position, and is pressed against the fixed contact 2 when the movable iron core 20 is in the advanced position.
- the electromagnet 10 includes a fixed iron core 19, a movable iron core 20 to which the drive shaft 8 is fixed and which can be displaced in the axial direction with respect to the fixed iron core 19, and an electromagnetic coil 21 which is provided in the fixed iron core 19 and generates a magnetic field when energized And a permanent magnet 22 provided on the fixed iron core 19.
- the drive shaft 8 passes through the fixed iron core 19 so as to be displaceable in the axial direction.
- the bearing 50 is provided on the fixed iron core 19, and the drive shaft 8 passes through the bearing 50.
- a part of the fixed iron core 19 overlaps the region of the movable iron core 20 in the projection plane in the axial direction.
- the permanent magnet 22 is provided on the fixed iron core 19 and faces the movable iron core 20.
- Each permanent magnet 22 has an N pole and an S pole (a pair of magnetic poles). As a result, the permanent magnet 22 generates a holding magnetic flux that holds the movable iron core 20 in the forward position.
- the N pole of each permanent magnet 22 faces the movable iron core 20, and the S pole of each permanent magnet 22 is fixed to the fixed iron core 19.
- the electromagnetic coil 21 surrounds a part of the movable iron core 20 in the projection plane in the axial direction. Thereby, when the electromagnetic coil 21 is energized, it generates a magnetic flux that passes through the fixed iron core 19 and the movable iron core 20. Further, the direction of the magnetic flux generated by the electromagnetic coil 21 can be reversed by switching the energization direction to the electromagnetic coil 21.
- the central axis of the electromagnetic coil 21 substantially coincides with the axis of the switchgear 1.
- the fixed iron core 19 and the movable iron core 20 are laminated bodies in which a plurality of thin plates made of a magnetic material are laminated in a direction perpendicular to the axial direction.
- the material of the fixed iron core 19 and the movable iron core 20 may be a magnetic material having a high magnetic permeability, such as steel, electromagnetic soft iron, silicon steel, ferrite, and permalloy.
- the movable iron core 20 is good also as a powder iron core which compressed and hardened iron powder, for example.
- the movable core 20 When the movable core 20 reaches the forward position, the movable core 20 is attracted and held by the fixed core 19 by the magnetic flux for holding the permanent magnet 22, and the movable core 20 is held at the forward position.
- the electromagnetic coil 21 When releasing the holding of the movable core 20 at the forward position, the electromagnetic coil 21 is energized in the opposite direction to that during the closing operation. When the electromagnetic coil 21 is energized, the attractive force between the movable iron core 20 and the fixed iron core 19 decreases as a whole, and the movable iron core 20 moves backward from the advance position by the loads of the release spring 9 and the contact spring 18. The displacement to the position is started. At this time, the movable contact 3 remains pressed against the fixed contact 2.
- the permanent magnet 22 in the closed state (FIG. 1), the permanent magnet 22 generates a holding magnetic flux that holds the movable core 20 in the forward position. Since the load in the closing direction generated by the magnetic flux of the permanent magnet 22 acts on the movable iron core 20 and is larger than the sum of the loads of the open spring 9 and the contact spring 18, the closed state can be maintained. Further, even when the sum of the suction force and the frictional force of the movable part is equal to or greater than the sum of the loads of the opening spring 9 and the contact pressure spring 18, the closed state can be stably maintained.
- the load of the open spring 9 acts on the entire movable range of the movable iron core 20.
- FIG. 3 is a cross-sectional view when the manual opening / closing device 60 according to the first embodiment of the present invention is applied.
- FIG. 4 is a cross-sectional view showing the configuration when the contact of the switchgear in FIG. 2 is open (opened state).
- 3 is a cross-sectional view showing a configuration when the contact of the switchgear 1 of FIG. 1 is open (open state).
- a rod 62 connected to a support member 7 to which an electromagnet 10 and an open spring 9 are attached, and a frame 64 is fixed to the rod 62.
- An attachment component 66 of the manual opening / closing device 60 is fastened to the frame 64.
- a guide 68 is fixed to the attachment component 66, and the guide 68 has a female screw portion 70.
- the main thread portion 70 is provided with a male thread portion 74 of a bolt rod 72 as a drive rod, and the bolt rod 72 can move in the compression / extension direction of the open spring 9 by rotating the bolt rod 72.
- the bolt rod 72 is provided with a handle 76 so that the bolt rod 72 can be manually rotated.
- One end portion 78 of the bolt rod 72 is disposed so as to contact the open spring shaft 41.
- the load that the open spring 9 extends is structured to receive the load by the screw structure of the male thread portion 74 and the female thread portion 70 of the bolt rod 72.
- the bolt rod 72 is provided with a rotatable latch mechanism 80 coupled with a weak frictional force in the rotation direction of the bolt rod 72.
- the arm 84 extends from the slide portion 82 with the bolt rod 72, and the hole 86 provided in the release spring receiver 40 is in a state where the end portion 78 of the bolt rod 72 is in contact with the release spring shaft 41. It has a structure that penetrates.
- a claw 88 for hooking the release spring receiver 40 is provided at the tip of the arm portion 84 of the latch mechanism 80.
- FIG. 5 is a view of the bolt rod 72 and the latch mechanism 80 according to Embodiment 1 of the present invention as seen from the upper surface of FIG. 6 is a view of the open spring receiver 40 and the open spring shaft 41 according to the first embodiment of the present invention as seen from the upper surface of FIG.
- FIG. 7 and 8 are views of the main parts of the latch mechanism 80 and the open spring receiver 40, which are the main parts of the manual opening / closing device 60, for explaining the operation of the first embodiment of the present invention, as viewed from the top of FIG. It is.
- the switchgear 1 is initially in a closed state (FIG. 1), and the permanent magnet 22 generates a holding magnetic flux that holds the movable iron core 20 in the advanced position.
- the closed state is maintained because the load in the closing direction generated by the magnetic flux of the permanent magnet 22 acts on the movable iron core 20 and is larger than the total load of the opening spring 9 and the contact spring 18.
- a manual opening / closing device 60 is attached (FIG. 3).
- the latch mechanism 80 is coupled to the bolt rod 72 with a weak frictional force and is rotatably arranged.
- the bolt rod 72 is rotated by the handle 76 so that the release spring 9 extends and the bolt rod 72 moves (in the first embodiment, a right-hand screw, counterclockwise direction in FIGS. 7 and 8).
- the claw 88 of the latch mechanism 80 is caught by the opening spring receiver 40 as shown in FIG.
- the release spring receiver 40 moves in the direction in which the release spring 9 extends together with the bolt rod 72 while being hooked on the latch mechanism 80.
- the open spring receiver 40 moves, the movable iron core 20 connected via the open spring shaft 41 and the connecting rod 45 also starts moving in the opening direction.
- the open spring receiver 40 pushes the bolt rod 72 from the end 78 through the open spring shaft 41 fastened to the open spring receiver 40 from the state where the open spring 9 is pulled in the latch mechanism 80 in the extending direction. It becomes a state.
- the bolt rod 72 receives the load generated by the open spring 9 and the contact spring 18 by the screw structure of the external thread portion 74 and the internal thread portion 70. Further, by moving the bolt rod 72, the open spring receiver 40 moves at a low speed, the open spring 9 acting on the load in the entire movable range of the movable iron core 20 extends at a low speed, and the movable iron core 20 moves at a low speed. To the opening position determined by the stopper 90 attached to the drive shaft 8, and the opening operation is completed at a low speed.
- the opening / closing device 1 In the closing operation, the opening / closing device 1 is initially in the opening state (FIG. 2), the opening spring 9 is extended, and the opening state is maintained at the opening position determined by the stopper 90 attached to the drive shaft 8. is doing. In order to perform manual closing from the open state, the manual opening / closing device 60 is attached with the same capacity as the manual opening operation (FIG. 4).
- the latch mechanism 80 is coupled to the bolt rod 72 with a weak frictional force and is rotatably arranged. For manual closing, the bolt rod 72 is rotated by the handle 76 so that the bolt rod 72 moves in the direction in which the release spring 9 is compressed.
- the end 78 of the bolt rod 72 pushes the opening spring shaft 41 in the direction in which the opening spring 9 is compressed.
- the opening spring 9 is compressed via the opening spring receiver 40.
- the movable iron core 20 connected via the connecting rod 45 also moves in the closing direction.
- the bolt rod 72 Since the bolt rod 72 receives the load generated by the release spring 9 and the contact pressure spring 18 by the screw structure of the external thread portion 74 and the internal thread portion 70, the bolt rod 72 can move at a low speed and compresses the open spring 9 at a low speed.
- the movable iron core 20 can be closed at a low speed, and the movable iron core 20 moves to a closed position where it contacts the fixed iron core 19 to complete the closing operation at a low speed.
- the open state and the closed state are maintained by the attraction force of the permanent magnet 22 in the moving range of the movable iron core 20, the open spring 9, and the contact spring. Therefore, when moving at a low speed, it may be made movable in consideration of the attractive force of the permanent magnet 22 and the loads of the release spring 9 and the contact spring 18. Is a simple structure with only a linear moving structure. There is no need for the manual opening / closing device 60 to realize the complicated operation of removing the mechanical holding structure while holding the release spring 9 so that it does not naturally open, and the opening operation can be realized only by the pulling operation. Open / close operation can be realized.
- the release spring 9 is connected to a connecting rod 45 attached to the fulcrum 43 attached to the support member 7 and connected to the drive shaft 8 at a position where the distance from the fulcrum 43 is farther than the drive shaft 8. For this reason, the generated load of the open spring 9 part is smaller than that of the drive shaft 8 part by the lever principle, and the moving distance is increased. Since the generated load of the opening spring 9 is small, the strength required for the manual opening / closing device 60 can be reduced, and the movement distance can be increased, so that the low-speed movement and the positional accuracy during movement can be increased.
- the end 78 of the bolt rod 72 is in contact with the open spring shaft 41, and the load generated by the open spring 9 and the contact pressure spring 18 is received by the screw structure of the male screw portion 74 and the female screw portion 70, so that it is movable.
- the load of the open spring 9 acting on the entire movable range of the iron core 20 and the load of the contact pressure spring 18 acting on a part of the movable range of the movable iron core 20 can be received, and movement at a low speed is possible. It becomes.
- FIG. FIG. 9 is a cross-sectional view of an electromagnetic operating mechanism with a manual opening / closing device attached in the closed state of the opening / closing device according to Embodiment 2 of the present invention
- FIG. 10 shows the manual opening / closing device attached in the opened state of the opening / closing device.
- It is sectional drawing of an electromagnetic operation mechanism.
- a guide 96 provided with a gear portion 98 on the outside is rotatably attached to an attachment plate 95.
- a guide 96 female thread portion 97 is provided.
- a gear 100 that rotates the guide 96 by meshing with the gear portion 98 of the guide 96 is attached to the handle 105.
- FIG. 11 is a cross-sectional view of an electromagnetic operating mechanism with a manual opening / closing device attached in a closed state of the opening / closing device according to Embodiment 3 of the present invention.
- the open spring 9 is directly connected to the drive shaft 8 via the open spring receiver 40.
- the open state and the closed state are maintained by the attraction force of the permanent magnet 22 in the moving range of the movable iron core 20, the open spring 9, and the contact spring. Therefore, when moving at a low speed, it may be made movable in consideration of the attractive force of the permanent magnet 22 and the loads of the release spring 9 and the contact spring 18. Is a simple structure with only a linear moving structure. There is no need for the manual opening / closing device 60 to realize the complicated operation of removing the mechanical holding structure while holding the release spring 9 so that it does not naturally open, and the opening operation can be realized only by the pulling operation. Open / close operation can be realized.
- the end 78 of the bolt rod 72 is in contact with the open spring shaft 41, and the load generated by the open spring 9 and the contact pressure spring 18 is received by the screw structure of the male screw portion 74 and the female screw portion 70, so that it is movable.
- the load of the open spring 9 acting on the entire movable range of the iron core 20 and the load of the contact pressure spring 18 acting on a part of the movable range of the movable iron core 20 can be received, and movement at a low speed is possible. It becomes.
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- Electromagnetism (AREA)
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Abstract
Description
図1は、この発明の実施の形態1による開閉装置を示す断面図である。また、図2は、図1の開閉装置の接点が開いている状態(開極状態)を示す断面図である。なお、図1は、開閉装置1の接点が閉じている状態(閉極状態)を示す図である。図において、開閉装置1は、固定接点2と、固定接点2に接離可能な可動接点3と、固定接点2及び可動接点3を収容する真空バルブ4と、可動接点3を変位させる開放バネ9と電磁石10と、電磁石10と可動接点3との間に配置された絶縁ロッド14と接圧装置15とを有している。ここで、電磁操作機構5は電磁石10と開放バネ9と連結棒45を含んだ、接圧装置15から可動接点3までを駆動する機構をさす。
電磁石10は、固定鉄心19と、駆動軸8が固定され、固定鉄心19に対して軸線方向へ変位可能な可動鉄心20とが設けられている。
図9は、この発明の実施の形態2による開閉装置の閉極状態において、手動開閉装置を取り付けた電磁操作機構の断面図、図10は開閉装置の開極状態において、手動開閉装置を取り付けた電磁操作機構の断面図である。手動開閉装置60は取付け板95に外側に歯車部98を設けたガイド96が回転自在に取り付けられている。ガイド96はめねじ部97を設けている。ガイド96の歯車部98を噛合ってガイド96を回転させる歯車100がハンドル105に取り付けられている。
図11は、この発明の実施の形態3による開閉装置の閉極状態において、手動開閉装置を取り付けた電磁操作機構の断面図である。開放バネ9が開放バネ受け40を介して駆動軸8に直接接続している。
5 電磁操作機構
8 駆動軸
9 開放バネ
10 電磁石
19 固定鉄心
20 可動鉄心
21 電磁コイル
22 永久磁石
40 開放バネ受け
41 開放バネ軸
43 支点
45 連結棒
70 めねじ部
72 ボルト棒
74 おねじ部
78 端部
80 掛け金機構
82 スライド部
84 腕
86 穴
88 爪
Claims (6)
- 固定鉄心と、前記固定鉄心に対して進退する可動鉄心と、前記固定鉄心に磁極の一方の面が対向し磁極の他方の面が前記可動鉄心に対向して前記固定鉄心に固定された永久磁石と、前記可動鉄心に連結された軸と、前記軸を巻回するように配置した電磁コイルとを備えた電磁石と、前記電磁石の前記軸に連結した連結棒と、前記連結棒が回動可能なようにピンで連結された支持点と、前記連結棒に連結した開放バネとを備え、前記連結棒に連結した前記支持点と前記開放ばねの前記連結棒との連結点との距離が、前記支持点と前記電磁石の前記軸の前記連結棒との連結点との距離より大きいことを特徴とする電磁操作機構。
- 前記開放バネの荷重を受ける開放バネ受けと、前記開放バネの軸線を中心とした円周上に前記開放バネ受けに設けられた穴を設けた請求項1に記載の電磁操作機構。
- 前記開放ばねの前記連結棒の前記連結点の位置に駆動棒を配置した手動開閉装置を取り付けることができる前記請求項1または請求項2に記載の電磁操作機構。
- 前記手動開閉装置の前記駆動棒は、一方の端部が前記開放ばねの荷重を受ける前記開放バネ受け、もしくは前記開放バネ受けと接続した部品と前記開放バネの伸張方向の荷重を受ける位置に配置され、前記駆動棒の外周にはおねじ部が設けられ、前記駆動棒の前記おねじ部を案内するめねじを設けたガイドを設けた請求項1ないし請求項3のいずれか一項に記載の電磁操作機構に取り付ける電磁操作機構の手動開閉装置。
- 前記駆動棒に回転自在に取り付けられた掛け金装置、前記掛け金装置から延長した腕部、該腕部の先端に取り付けられた爪を備えた電磁操作機構の前記開放バネ受けの前記穴に前記掛け金装置の前記爪が貫通する請求項4に記載の電磁操作機構の手動開閉装置。
- 固定鉄心と、前記固定鉄心に対して進退する可動鉄心と、前記固定鉄心に磁極の一方の面が対向し磁極の他方の面が可動鉄心に対向して前記固定鉄心に固定された永久磁石と、前記可動鉄心に連結された軸と、前記軸を巻回するように配置した電磁コイルとを備えた電磁石と、前記軸と連結した開放バネとを備え、前記軸の位置に駆動棒を配置した手動開閉装置を取り付けることができ、前記手動開閉装置の前記駆動棒は、一方の端部が前記開放ばねの荷重を受ける開放バネ受け、もしくは開放バネ受けと接続した部品と開放バネの伸張方向の荷重を受ける位置に配置され、前記駆動棒の外周にはおねじ部が設けられ、前記駆動棒の前記おねじ部を案内するめねじを設けたガイドを設けた手動開閉装置を取り付ける電磁操作機構。
Priority Applications (5)
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AU2011233553A AU2011233553A1 (en) | 2010-03-31 | 2011-03-14 | Electromagnetically operated mechanism, and manual opening and closing device of same |
US13/575,226 US20120306601A1 (en) | 2010-03-31 | 2011-03-14 | Electromagnetic mechanism and manual switchgear of electromagnetic mechanism |
CN2011800167555A CN102822927A (zh) | 2010-03-31 | 2011-03-14 | 电磁操作机构及电磁操作机构的手动开关装置 |
KR1020127024428A KR20120130222A (ko) | 2010-03-31 | 2011-03-14 | 전자조작기구 및 전자조작기구의 수동개폐장치 |
DE112011101118T DE112011101118T5 (de) | 2010-03-31 | 2011-03-14 | Elektomagnetischer Mechanismus und manuelle Schaltanlage eines elektromagnetischen Mechanismus |
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JP2010081479A JP2011216245A (ja) | 2010-03-31 | 2010-03-31 | 電磁操作機構および電磁操作機構の手動開閉装置 |
JP2010-081479 | 2010-03-31 |
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Cited By (4)
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WO2014109092A1 (ja) * | 2013-01-11 | 2014-07-17 | 三菱電機株式会社 | 電磁操作機構の手動開閉装置 |
CN104321840A (zh) * | 2012-05-21 | 2015-01-28 | 三菱电机株式会社 | 电磁铁装置及使用该电磁铁装置的开关装置 |
CN105047490A (zh) * | 2015-08-25 | 2015-11-11 | 吉林瀚丰电气有限公司 | 永磁机构断路器的外置式快速手分机构 |
CN111785564A (zh) * | 2020-07-09 | 2020-10-16 | 河南智开智能科技有限公司 | 一种新型保护型永磁真空断路器 |
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WO2013042566A1 (ja) * | 2011-09-19 | 2013-03-28 | 三菱電機株式会社 | 電磁操作装置およびそれを用いた開閉装置 |
JP6072612B2 (ja) * | 2013-05-29 | 2017-02-01 | 三菱電機株式会社 | 電磁操作装置 |
WO2015098142A1 (ja) * | 2013-12-26 | 2015-07-02 | 三菱電機株式会社 | バイパススイッチ |
DE102014102875B4 (de) * | 2014-03-05 | 2016-05-25 | Maschinenfabrik Reinhausen Gmbh | Betätigungsvorrichtung zum Betätigen einer Vakuumschaltröhre, Schaltvorrichtung mit einer solchen Betätigungsvorrichtung sowie Laststufenschalter mit einer solchen Schaltvorrichtung |
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CN105355505A (zh) * | 2015-12-03 | 2016-02-24 | 郴州市东塘电气设备有限公司 | 一种可机械应急动作的真空交流接触器 |
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WO2019215885A1 (ja) * | 2018-05-10 | 2019-11-14 | 三菱電機株式会社 | 開閉器 |
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CN111785564B (zh) * | 2020-07-09 | 2022-07-12 | 河南智开智能科技有限公司 | 一种新型保护型永磁真空断路器 |
Also Published As
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AU2011233553A1 (en) | 2012-10-25 |
JP2011216245A (ja) | 2011-10-27 |
CN102822927A (zh) | 2012-12-12 |
US20120306601A1 (en) | 2012-12-06 |
DE112011101118T5 (de) | 2013-01-10 |
KR20120130222A (ko) | 2012-11-29 |
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