WO2023079740A1 - 消弧室、真空遮断器及び消弧室の組立方法 - Google Patents
消弧室、真空遮断器及び消弧室の組立方法 Download PDFInfo
- Publication number
- WO2023079740A1 WO2023079740A1 PCT/JP2021/040985 JP2021040985W WO2023079740A1 WO 2023079740 A1 WO2023079740 A1 WO 2023079740A1 JP 2021040985 W JP2021040985 W JP 2021040985W WO 2023079740 A1 WO2023079740 A1 WO 2023079740A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- movable
- contact
- fixed
- lead
- arc
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims description 11
- 239000004020 conductor Substances 0.000 claims description 19
- 238000010586 diagram Methods 0.000 description 20
- 230000002093 peripheral effect Effects 0.000 description 3
- 238000007789 sealing Methods 0.000 description 2
- 239000011810 insulating material Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B13/00—Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle
- H02B13/02—Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle with metal casing
- H02B13/035—Gas-insulated switchgear
Definitions
- the present disclosure relates to an arc-extinguishing chamber with bellows, a vacuum circuit breaker, and a method of assembling the arc-extinguishing chamber.
- a vacuum circuit breaker opens and closes contacts in an arc extinguishing chamber with a vacuum interrupter.
- the vacuum interrupter includes a cylindrical vacuum vessel, a fixed lead installed inside the vacuum vessel, a movable lead penetrating the end of the vacuum vessel, and a bellows connecting the movable lead and the vacuum vessel. have.
- the inside of the vacuum vessel is a vacuum.
- a movable-side contact is provided at the end of the movable-side lead, and a fixed-side contact is provided at the end of the fixed-side lead.
- the movable-side conductor arranged in the bushing is pipe-shaped, the space inside the movable-side conductor and the space in the bellows are connected, and the inside of the bellows is connected through the space in the movable-side conductor.
- a vacuum circuit breaker is disclosed in which the pressure in the space inside the bellows is set to the atmospheric pressure by opening the space in the bellows to the atmosphere.
- the present disclosure has been made in view of the above, and aims to obtain an arc-extinguishing chamber in which the durability of the bellows is enhanced.
- the arc extinguishing chamber includes a movable side contact and a fixed side contact, a movable lead electrically connected to the movable side contact, and a fixed side contact.
- a vacuum vessel containing electrically connected fixed leads, a movable side contact, a fixed side contact, and a fixed lead, the movable lead protruding from one end to the outside, and a vacuum vessel and the movable lead are connected, and the movable side is connected to the vacuum vessel.
- a vacuum interrupter is provided with a bellows that expands in a closed state where the contact and the fixed side contact are in contact and expands and contracts in an open state where the movable side contact and the fixed side contact separate.
- the arc-extinguishing chamber is fixed to a cylindrical contact case made of a conductive material and the end of the movable lead, is arranged in the cylinder of the contact case, and electrically connects the contact case and the movable lead. It comprises a contact, a seal rod connected to the movable lead to move the movable lead, and a cylindrical movable support having a hole formed in the bottom surface through which the seal rod passes.
- the air pressure inside the closed space surrounded and sealed by the bellows, the contact case and the movable side support is the atmospheric pressure in the open state and is less than the atmospheric pressure in the closed state.
- FIG. 4 is a diagram showing a state in which a fixed-side attachment plate is attached to the vacuum interrupter of the arc-extinguishing chamber according to Embodiment 1.
- FIG. 4 is a diagram showing a state in which the vacuum interrupter of the arc-extinguishing chamber according to Embodiment 1 is fixed to an assembly jig;
- 4 is a diagram showing a state in which the contact case is connected to the vacuum interrupter of the arc-extinguishing chamber according to the first embodiment;
- FIG. 4 is a diagram showing a state in which a seal rod is connected to the movable lead of the arc-extinguishing chamber according to the first embodiment;
- FIG. FIG. 4 is a diagram showing a state in which a movable support is arranged in the contact case of the arc-extinguishing chamber according to Embodiment 1;
- FIG. 4 is a cross-sectional view showing a state in which an opening jig is attached to the movable end of the seal rod of the arc-extinguishing chamber according to Embodiment 1;
- FIG. 4 is a diagram showing a state in which the movable-side contact and the fixed-side contact of the vacuum interrupter of the arc-extinguishing chamber according to the first embodiment are separated;
- FIG. 5 is a diagram showing a state in which the movable-side support of the arc-extinguishing chamber and the contact case are connected according to the first embodiment;
- Sectional view of arc extinguishing chamber according to Embodiment 1 Cross-sectional view of a vacuum circuit breaker according to Embodiment 2 The figure which shows the state which connected the seal rod to the movable lead of the arc-extinguishing chamber which concerns on Embodiment 2.
- FIG. 11 is a diagram showing a state in which an integrated movable-side support is arranged on the movable side of the vacuum interrupter according to the second embodiment;
- FIG. 8 is a cross-sectional view showing a state in which an opening jig is attached to the movable end of the seal rod of the arc-extinguishing chamber according to Embodiment 2;
- FIG. 10 is a diagram showing a state in which the movable-side contact and the fixed-side contact of the vacuum interrupter of the arc-extinguishing chamber according to the second embodiment are separated; The figure which shows the state which connected the vacuum interrupter of the arc-extinguishing chamber which concerns on Embodiment 2, and the integrated movable side support.
- Sectional view of an arc extinguishing chamber according to Embodiment 2 Cross-sectional view of a vacuum circuit breaker according to Embodiment 3
- Embodiment 1. 1 and 2 are cross-sectional views of a vacuum circuit breaker according to Embodiment 1.
- FIG. 1 the vacuum circuit breaker 50 is in a closed state in which the movable contact 5a and the fixed contact 5b are in contact, and in FIG. It is in the separated open state.
- a vacuum circuit breaker 50 according to Embodiment 1 includes a cylindrical tank 1 filled with an insulating gas, and is insulated and supported in the tank 1, and has a movable side contact 5a and a fixed side contact 5a.
- the movable contact 5a of the vacuum circuit breaker 50 is movable, and the movement of the movable contact 5a switches between an open state and a closed state.
- a support plate 3 a is installed at the movable end of the tank 1
- a support plate 3 b is installed at the fixed end of the tank 1 .
- the support plate 3a is disc-shaped with a hole formed in the center.
- the support plate 3b is disk-shaped without holes.
- the direction from the fixed side contact 5b to the movable side contact 5a is called the "moving side”
- the direction from the movable side contact 5a to the fixed side contact 5b is called the "moving side”. It is called "fixed side”.
- the vacuum interrupter 4 includes a movable lead 11, a fixed lead 13, a vacuum vessel 15 that accommodates the movable lead 11 and the fixed lead 13, and a bellows 25.
- the vacuum container 15 is cylindrical.
- the movable lead 11 is electrically connected to the movable contact 5a.
- the movable lead 11 penetrates the end of the movable side of the vacuum vessel 15 , extends to the outside of the vacuum vessel 15 , and reaches the inside of the contact case 8 .
- the fixed lead 13 is electrically connected to the fixed contact 5b.
- a bellows 25 connects the movable lead 11 and the vacuum vessel 15 .
- the vacuum circuit breaker 50 includes a contact case 8 electrically connecting the lower end of the movable outer conductor 34 to the movable lead 11, a movable support 7 supporting the contact case 8, and a lower end of the fixed outer conductor 36.
- a fixed side support 16 electrically connected to a fixed lead 13, an insulating rod 12 connected to a shaft 6 of an operating device (not shown) installed outside the tank 1 for operating the movable side contact 5a, and a movable side It has a movable-side insulating support tube 17 for insulatingly supporting the support 7 on the support plate 3a, and a fixed-side insulating support tube 10 for insulatingly supporting the fixed-side support 16 on the support plate 3b.
- the hole of the support plate 3a is covered with a lid 2 having a hole through which the shaft 6 passes.
- a sliding seal 41 is arranged on the inner peripheral surface of the hole of the lid 2 .
- An arc extinguishing chamber 23 connecting the movable support 7, the contact case 8 and the vacuum interrupter 4 is housed in the tank 1. As shown in FIG. Arc-extinguishing chamber 23 has vacuum interrupter 4 , contact case 8 , contact 33 , seal rod 14 , and movable support 7 .
- the vacuum interrupter 4 is fixed to each of the movable-side insulating support tube 17 and the fixed-side support 16 .
- the movable-side contact 5a is adapted to transmit the driving force of an operating device (not shown) through the shaft 6, the insulating rod 12, and the movable lead 11, and receives the driving force of the operating device (not shown) to move the movable-side contact 5a to the fixed side. It can take a closed state in which it contacts the contact 5b and an open state in which it is separated from the fixed side contact 5b.
- the contact case 8 is cylindrical and made of a conductive material.
- a contact 33 is installed in the cylinder of the contact case 8 .
- the contact 33 is a conductive cylindrical column, has a ring-shaped spring 33a on its outer peripheral surface, and is in contact with the inner peripheral surface of the contact case 8.
- the contact 33 is fixed to the movable lead 11 by a seal rod 14 screwed into the end of the movable lead 11 .
- the seal rod 14 is connected to the insulating rod 12 through a hole formed in the bottom surface of the movable support 7 .
- the bottom surface is the end surface of the movable side support 7 on the movable side.
- the movable-side outer conductor 34 is electrically connected to the movable lead 11 via the contact case 8 and the contact 33 .
- the movable side support 7 has a cylindrical shape, and a hole through which the seal rod 14 passes is formed in the bottom surface.
- a sliding seal 40 is arranged in a hole in the bottom surface of the movable side support 7 .
- the movable-side support 7 may be made of an insulating material, or may be made of a conductive material.
- a sealing member 38 is arranged between the vacuum interrupter 4 and the contact case 8 .
- a seal member 37 is arranged between the contact case 8 and the movable support 7 .
- a sliding seal 40 is arranged in a hole in the bottom surface of the movable side support 7 . Therefore, the space surrounded by the bellows 25, the contact case 8 and the movable support 7 is a closed space.
- the air pressure in the closed space is the atmospheric pressure when the bellows 25 is most contracted in the open state, and is lower than the atmospheric pressure in the closed state when the bellows 25 is stretched. As the bellows 25 expands, the air pressure in the closed space drops from 85% to 90% of the atmospheric pressure.
- FIG. 3 is a diagram showing a state in which a fixed-side attached plate is attached to the vacuum interrupter of the arc-extinguishing chamber according to Embodiment 1.
- FIG. The fixed-side attachment plate 47 is attached to the vacuum interrupter 4 using screw holes for fixing to the fixed-side support 16 provided on the end face of the vacuum vessel 15 on the fixed side. Since the inside of the vacuum container 15 is in a vacuum state, the bellows 25 is expanded by the atmospheric pressure, and the closed state in which the movable side contact 5a and the fixed side contact 5b are in contact is maintained.
- FIG. 4 is a diagram showing a state in which the vacuum interrupter of the arc-extinguishing chamber according to Embodiment 1 is fixed to an assembly jig.
- the assembly jig 42 has a fixed plate 42a, an intermediate frame 42b, a movable side frame 42c, and a connecting rod 42d.
- the fixed plate 42a, the intermediate frame 42b and the movable side frame 42c are connected by a connecting rod 42d.
- the connecting rod 42d can be divided into a first connecting rod 421d between the fixed plate 42a and the intermediate frame 42b and a second connecting rod 422d between the intermediate frame 42b and the movable side frame 42c.
- the frame 42b is sandwiched between the first connecting rod 421d and the second connecting rod 422d. The following procedure is performed with the assembly jig 42 erected so that the fixing plate 42a faces downward.
- FIG. 5 is a diagram showing a state in which the contact case is connected to the vacuum interrupter of the arc-extinguishing chamber according to the first embodiment.
- FIG. 6 is a diagram showing a state in which the seal rod is connected to the movable lead of the arc-extinguishing chamber according to the first embodiment.
- the seal rod 14 is fitted into a hole formed in the center of the contact 33 and fixed to the contact 33 .
- FIG. 7 is a diagram showing a state in which a movable support is arranged in the contact case of the arc-extinguishing chamber according to Embodiment 1.
- FIG. A seal rod 14 is passed through a hole in the bottom surface of the movable side support 7 .
- a gap is provided between the movable side support 7 and the contact case 8 .
- FIG. 8 is a cross-sectional view showing a state in which an opening jig is attached to the movable end of the seal rod of the arc-extinguishing chamber according to Embodiment 1.
- FIG. The opening jig 49 includes a jig fixing portion 49a fixed to the assembly jig 42, a rod fixing portion 49b fixed to the seal rod 14, and a jack for adjusting the distance between the jig fixing portion 49a and the rod fixing portion 49b. and a portion 49c.
- the jig fixing portion 49 a spans over the movable side frame 42 c of the assembly jig 42 .
- FIG. 9 is a diagram showing a state in which the movable side contact and the fixed side contact of the vacuum interrupter of the arc-extinguishing chamber according to Embodiment 1 are separated.
- the vacuum in the vacuum vessel 15 overcomes the force that stretches the bellows 25 and the bellows 25 is contracted, and the vacuum interrupter 4 is in an open state in which the movable side contact 5a and the fixed side contact 5b are separated. Since there is a gap between the contact case 8 and the movable side support 7, even if the bellows 25 shrinks, the air pressure in the space inside the bellows 25 remains the atmospheric pressure.
- FIG. 10 is a diagram showing a state in which the movable-side support and the contact case of the arc-extinguishing chamber according to Embodiment 1 are connected.
- FIG. 11 is a cross-sectional view of the arc extinguishing chamber according to Embodiment 1.
- FIG. By removing the opening jig 49, the assembly jig 42, and the fixed-side attached plate 47, the force for contracting the bellows 25 disappears, and the bellows 25 is stretched by the vacuum in the vacuum vessel 15 and fixed to the movable-side contact 5a. It will be in the closed state where the side contact 5b is in contact.
- the pressure in the closed space surrounded by the bellows 25, the contact case 8 and the movable support 7 becomes less than the atmospheric pressure.
- the air pressure in the space inside the bellows 25 is atmospheric pressure.
- the air pressure in the closed space surrounded by the bellows 25, the contact case 8 and the movable support 7 is less than the atmospheric pressure. Therefore, in the arc-extinguishing chamber 23, the air pressure in the closed space surrounded by the bellows 25, the contact case 8 and the movable support 7 is always below the atmospheric pressure.
- the closed space surrounded by the bellows, contact case and movable support is at atmospheric pressure when the bellows is closed. exceeds atmospheric pressure.
- the arc-extinguishing chamber 23 of the vacuum circuit breaker 50 according to the first embodiment is compared with an arc-extinguishing chamber in which the pressure in the closed space surrounded by the bellows, the contact case, and the movable support is atmospheric pressure in the closed state. , the durability of the bellows 25 is high.
- Embodiment 2. 12 is a cross-sectional view of a vacuum circuit breaker according to Embodiment 2.
- FIG. A vacuum circuit breaker 50 according to the second embodiment differs from the vacuum circuit breaker 50 according to the first embodiment in that an integrated movable support 9 is provided instead of the contact case 8 and the movable support 7 .
- the integrated movable-side support 9 has a shape in which the contact case 8 and the movable-side support 7 of the vacuum circuit breaker 50 according to the first embodiment are integrated.
- FIG. 13 is a diagram showing a state in which the seal rod is connected to the movable lead of the arc-extinguishing chamber according to the second embodiment.
- the assembly jig 42 as in the first embodiment, one having a structure having a fixed plate 42a, an intermediate frame 42b, a movable side frame 42c, and a connecting rod 42d can be used.
- FIG. 14 is a diagram showing a state in which an integrated movable-side support is arranged on the movable side of the vacuum interrupter according to the second embodiment.
- a seal rod 14 is passed through a hole in the bottom surface of the integrated movable side support 9 .
- a gap is provided between the vacuum interrupter 4 and the integral movable support 9 .
- FIG. 15 is a cross-sectional view showing a state in which an opening jig is attached to the movable end of the seal rod of the arc-extinguishing chamber according to the second embodiment.
- the electrode opening jig 49 as in the first embodiment, one having a structure having a jig fixing portion 49a, a rod fixing portion 49b, and a jack portion 49c can be used.
- FIG. 16 is a diagram showing a state in which the movable-side contact and the fixed-side contact of the vacuum interrupter of the arc-extinguishing chamber according to the second embodiment are separated. Since there is a gap between the vacuum interrupter 4 and the integrated movable side support 9, even if the bellows 25 shrinks, the air pressure in the space inside the bellows 25 remains the atmospheric pressure.
- FIG. 17 is a diagram showing a state in which the vacuum interrupter of the arc-extinguishing chamber and the integrated movable-side support are connected according to the second embodiment.
- the space surrounded by the bellows 25 and the integrated movable side support 9 is kept at atmospheric pressure in the open state. It becomes a closed space.
- FIG. 18 is a cross-sectional view of an arc extinguishing chamber according to Embodiment 2.
- FIG. By removing the opening jig 49, the assembly jig 42, and the fixed-side attached plate 47, the force for contracting the bellows 25 disappears, and the bellows 25 is stretched by the vacuum in the vacuum vessel 15 and fixed to the movable-side contact 5a. It will be in the closed state where the side contact 5b is in contact. By extending the bellows 25, the air pressure in the closed space surrounded by the bellows 25 and the integral movable support 9 becomes less than the atmospheric pressure.
- the air pressure in the space inside the bellows 25 is atmospheric pressure.
- the air pressure in the closed space surrounded by the bellows 25 and the integral movable support 9 is less than the atmospheric pressure. Therefore, in the arc-extinguishing chamber 23, the air pressure in the closed space surrounded by the bellows 25 and the integral movable support 9 is always below the atmospheric pressure.
- the pressure in the closed space surrounded by the bellows and the integral movable support increases when the bellows contracts. exceed atmospheric pressure.
- Embodiment 3. 19 is a cross-sectional view of a vacuum circuit breaker according to Embodiment 3.
- a seal member 43 is arranged between the movable-side insulating support cylinder 17 and the movable-side support 7, and between the movable-side insulating support cylinder 17 and the support plate 3a.
- a seal member 44 is arranged.
- the space inside the movable-side insulating support cylinder 17 is isolated from the space inside the movable-side insulating support cylinder 17 and outside the tank 1 .
- the pressure in the space inside the movable-side insulating support cylinder 17 is lower than the pressure in the space inside the movable-side insulating support cylinder 17 and outside the tank 1 .
- the air pressure in the space inside the movable-side insulating support cylinder 17 is higher than the air pressure in the closed space surrounded by the bellows 25 , the contact case 8 , and the movable-side support 7 .
- the gas in the space inside the movable-side insulating support cylinder 17 may be the same kind of gas as the insulating gas filled in the space inside the movable-side insulating support cylinder 17 and outside the tank 1, or may be a different gas. may be
- the movable-side insulating support cylinder 17 and the movable-side support 7 and between the movable-side insulating support cylinder 17 and the support plate 3a the movable The air pressure inside and outside the side insulating support tube 17 is the same. Therefore, the sliding seal 40 arranged in the hole in the bottom surface of the movable side support 7 contains the insulating gas filled in the tank 1 and the closed space surrounded by the bellows 25 , the contact case 8 and the movable side support 7 .
- the configuration shown in the above embodiment shows an example of the contents, and it is possible to combine it with another known technique, and part of the configuration is omitted or changed without departing from the scope. is also possible.
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- High-Tension Arc-Extinguishing Switches Without Spraying Means (AREA)
Abstract
Description
図1及び図2は、実施の形態1に係る真空遮断器の断面図である。図1では、真空遮断器50は、可動側接点5aと固定側接点5bとが接触した閉極状態であり、図2では、真空遮断器50は、可動側接点5aと固定側接点5bとが離れた開極状態である。図1及び図2に示すように、実施の形態1に係る真空遮断器50は、絶縁ガスが充填された筒状のタンク1と、タンク1内に絶縁支持され、可動側接点5a及び固定側接点5bを備えた真空インタラプタ4と、タンク1の上方に延びた1対のブッシング22内に配置された可動側外部導体34及び固定側外部導体36とを備える。真空遮断器50は、可動側接点5aが移動可能となっており、可動側接点5aが移動することによって開極状態と閉極状態とが切り替わる。タンク1の可動側の端部には、支持板3aが設置されており、タンク1の固定側の端部には、支持板3bが設置されている。支持板3aは、中央に穴が形成された円盤状である。支持板3bは、穴の無い円盤状である。なお、可動側接点5aと固定側接点5bとの配列方向において、固定側接点5bから可動側接点5aに向かう方向を「可動側」といい、可動側接点5aから固定側接点5bに向かう方向を「固定側」という。
図12は、実施の形態2に係る真空遮断器の断面図である。実施の形態2に係る真空遮断器50は、コンタクトケース8及び可動側サポート7の代わりに一体型可動側サポート9を備える点で実施の形態1に係る真空遮断器50と相違する。一体型可動側サポート9は、実施の形態1に係る真空遮断器50のコンタクトケース8と可動側サポート7とを一体化した形状である。
図19は、実施の形態3に係る真空遮断器の断面図である。実施の形態3に係る真空遮断器50は、可動側絶縁支持筒17と可動側サポート7との間にシール部材43が配置されており、可動側絶縁支持筒17と支持板3aとの間にシール部材44が配置されている。可動側絶縁支持筒17の内部の空間は、可動側絶縁支持筒17の内部かつタンク1の外部の空間とは隔離されている。可動側絶縁支持筒17の内部の空間の気圧は、可動側絶縁支持筒17の内部かつタンク1の外部の空間の気圧よりも低くなっている。また、可動側絶縁支持筒17の内部の空間の気圧は、ベローズ25、コンタクトケース8及び可動側サポート7で囲まれた閉鎖空間内の空間の気圧よりも高くなっている。なお、可動側絶縁支持筒17の内部の空間のガスは、可動側絶縁支持筒17の内部かつタンク1の外部の空間に充填された絶縁ガスと同種のガスであってもよいし、異なるガスであってもよい。
Claims (5)
- 可動側接点及び固定側接点と、前記可動側接点に電気的に接続された可動リードと、前記固定側接点に電気的に接続された固定リードと、前記可動側接点、前記固定側接点及び前記固定リードを収容し、前記可動リードが一端部から外部へ突出する真空容器と、前記真空容器と前記可動リードとを接続し、前記可動側接点と前記固定側接点とが接触する閉極状態では伸張し、前記可動側接点と前記固定側接点とが離れる開極状態では伸縮するベローズとを備えた真空インタラプタと、
導電性材料で形成された筒状のコンタクトケースと、
前記可動リードの端部に固定され、前記コンタクトケースの筒内に配置されて、前記コンタクトケースと前記可動リードとを電気的に接続するコンタクトと、
前記可動リードに接続され、前記可動リードを移動させるシールロッドと、
底面に前記シールロッドが貫通する穴が形成されたシリンダ状である可動側サポートとを備え、
前記ベローズ、前記コンタクトケース及び前記可動側サポートで囲まれて密閉された閉鎖空間の内部の気圧は、前記開極状態では大気圧であり、前記閉極状態では大気圧未満であることを特徴とする消弧室。 - 前記コンタクトケースと前記可動側サポートとは、一体であることを特徴とする請求項1に記載の消弧室。
- 請求項1又は2に記載の消弧室を収容し、内部に絶縁ガスが充填されたタンクと、
前記タンクの上方に延びた1対のブッシング内に配置された可動側外部導体及び固定側外部導体と、
前記固定側外部導体を前記固定リードに電気的に接続する固定側サポートと、
前記可動側サポートを前記タンクに絶縁支持する可動側絶縁支持筒と、
前記固定側サポートを前記タンクに絶縁支持する固定側絶縁支持筒とを備え、
前記コンタクトケースには、前記可動側外部導体の下端が接続されていることを特徴とする真空遮断器。 - 前記可動側絶縁支持筒の筒内の気圧は、前記タンク内かつ前記消弧室の外の空間の気圧よりも小さく、前記閉鎖空間の気圧よりも高いことを特徴とする請求項3に記載の真空遮断器。
- 可動側接点及び固定側接点と、前記可動側接点に電気的に接続された可動リードと、前記固定側接点に電気的に接続された固定リードと、前記可動側接点、前記固定側接点及び前記固定リードを収容し、前記可動リードが一端部から外部へ突出する真空容器と、前記真空容器と前記可動リードとを接続し、前記可動側接点と前記固定側接点とが接触する閉極状態では伸張し、前記可動側接点と前記固定側接点とが離れる開極状態では伸縮するベローズとを備えた真空インタラプタと、導電性材料で形成された筒状のコンタクトケースと、前記可動リードの端部に固定され、前記コンタクトケースの筒内に配置されて、前記コンタクトケースと前記可動リードとを電気的に接続するコンタクトと、前記可動リードに接続され、前記可動リードを移動させるシールロッドと、底面に前記シールロッドが貫通する穴が形成されたシリンダ状である可動側サポートとを備えた消弧室の組立方法であって、
前記開極状態において、前記コンタクトケースと前記可動側サポートとを連結することを特徴とする消弧室の組立方法。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP2021/040985 WO2023079740A1 (ja) | 2021-11-08 | 2021-11-08 | 消弧室、真空遮断器及び消弧室の組立方法 |
JP2022516762A JP7114000B1 (ja) | 2021-11-08 | 2021-11-08 | 消弧室、真空遮断器及び消弧室の組立方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP2021/040985 WO2023079740A1 (ja) | 2021-11-08 | 2021-11-08 | 消弧室、真空遮断器及び消弧室の組立方法 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2023079740A1 true WO2023079740A1 (ja) | 2023-05-11 |
Family
ID=82740452
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2021/040985 WO2023079740A1 (ja) | 2021-11-08 | 2021-11-08 | 消弧室、真空遮断器及び消弧室の組立方法 |
Country Status (2)
Country | Link |
---|---|
JP (1) | JP7114000B1 (ja) |
WO (1) | WO2023079740A1 (ja) |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2007306701A (ja) | 2006-05-11 | 2007-11-22 | Japan Ae Power Systems Corp | タンク形真空遮断器 |
WO2010134442A1 (ja) * | 2009-05-18 | 2010-11-25 | 株式会社日本Aeパワーシステムズ | ガス絶縁真空遮断器 |
WO2012063501A1 (ja) * | 2010-11-12 | 2012-05-18 | 三菱電機株式会社 | ガス絶縁開閉装置 |
JP2013055738A (ja) * | 2011-09-01 | 2013-03-21 | Hitachi Ltd | 開閉装置 |
JP2013058312A (ja) * | 2011-09-07 | 2013-03-28 | Meiden T&D Co Ltd | タンク形真空遮断器 |
-
2021
- 2021-11-08 JP JP2022516762A patent/JP7114000B1/ja active Active
- 2021-11-08 WO PCT/JP2021/040985 patent/WO2023079740A1/ja active Application Filing
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2007306701A (ja) | 2006-05-11 | 2007-11-22 | Japan Ae Power Systems Corp | タンク形真空遮断器 |
WO2010134442A1 (ja) * | 2009-05-18 | 2010-11-25 | 株式会社日本Aeパワーシステムズ | ガス絶縁真空遮断器 |
WO2012063501A1 (ja) * | 2010-11-12 | 2012-05-18 | 三菱電機株式会社 | ガス絶縁開閉装置 |
JP2013055738A (ja) * | 2011-09-01 | 2013-03-21 | Hitachi Ltd | 開閉装置 |
JP2013058312A (ja) * | 2011-09-07 | 2013-03-28 | Meiden T&D Co Ltd | タンク形真空遮断器 |
Also Published As
Publication number | Publication date |
---|---|
JP7114000B1 (ja) | 2022-08-05 |
JPWO2023079740A1 (ja) | 2023-05-11 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
AU2007251105B2 (en) | Vacuum circuit breaker of tank type | |
KR100582809B1 (ko) | 밀폐형 개폐 장치 | |
JP4764906B2 (ja) | 真空スイッチ及び真空スイッチギヤ | |
WO2016111191A1 (ja) | 真空遮断器 | |
US4139753A (en) | Puffer-type compressed-gas circuit-interrupter having improved separable contact structure | |
WO2023079740A1 (ja) | 消弧室、真空遮断器及び消弧室の組立方法 | |
JP2003045300A (ja) | 遮断器 | |
JP2005108766A (ja) | 2点切り真空遮断器 | |
JP3325321B2 (ja) | ガス絶縁真空遮断器 | |
WO2021140668A1 (ja) | 真空遮断器 | |
US5243160A (en) | Operating mechanism for an inert gas filled circuit breaker | |
US4306129A (en) | Low voltage contactor switch with three-phase contact bank | |
US3287531A (en) | Terminal bushing having impedance means associated therewith | |
WO2017010066A1 (ja) | 電力系統用遮断器 | |
JP4222848B2 (ja) | ガス絶縁開閉装置 | |
US4105879A (en) | Magnetic puffer type gas circuit breaker | |
JP4119441B2 (ja) | ガス絶縁開閉装置 | |
US4264794A (en) | Circuit interrupter including arc extinguishing fluid pressurization means and pressure accumulating means | |
KR950011296B1 (ko) | 고절연 내력을 갖는 퍼훠형 전기회로 차단기 | |
US20240047158A1 (en) | Circuit breaker | |
US3014106A (en) | Vacuum switch | |
WO2023084700A1 (ja) | 真空遮断器 | |
JPH0239327Y2 (ja) | ||
JP3289272B2 (ja) | ガス遮断器 | |
JPS6355738B2 (ja) |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
WWE | Wipo information: entry into national phase |
Ref document number: 2022516762 Country of ref document: JP |
|
121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 21963333 Country of ref document: EP Kind code of ref document: A1 |
|
WWE | Wipo information: entry into national phase |
Ref document number: 18688845 Country of ref document: US |
|
WWE | Wipo information: entry into national phase |
Ref document number: 2021963333 Country of ref document: EP |
|
ENP | Entry into the national phase |
Ref document number: 2021963333 Country of ref document: EP Effective date: 20240610 |