JP2014212677A - Switchgear - Google Patents
Switchgear Download PDFInfo
- Publication number
- JP2014212677A JP2014212677A JP2013089325A JP2013089325A JP2014212677A JP 2014212677 A JP2014212677 A JP 2014212677A JP 2013089325 A JP2013089325 A JP 2013089325A JP 2013089325 A JP2013089325 A JP 2013089325A JP 2014212677 A JP2014212677 A JP 2014212677A
- Authority
- JP
- Japan
- Prior art keywords
- movable
- electrode
- movable contact
- side electrode
- contact
- 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.)
- Granted
Links
- 239000011347 resin Substances 0.000 claims abstract description 39
- 229920005989 resin Polymers 0.000 claims abstract description 39
- 238000000926 separation method Methods 0.000 claims description 4
- 230000005684 electric field Effects 0.000 abstract description 18
- 230000000694 effects Effects 0.000 description 6
- 238000009413 insulation Methods 0.000 description 6
- 239000002184 metal Substances 0.000 description 5
- 239000004020 conductor Substances 0.000 description 3
- 230000015556 catabolic process Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 230000001629 suppression Effects 0.000 description 2
- 230000003466 anti-cipated effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
Classifications
-
- 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
- H01H33/64—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid wherein the break is in gas
Landscapes
- Gas-Insulated Switchgears (AREA)
Abstract
Description
本発明は、電力系統等における電路の開閉を行う開閉装置に関する。 The present invention relates to an opening / closing device that opens and closes an electric circuit in an electric power system or the like.
遮断器や断路器、接地開閉器等、高電圧電路の開閉を行う開閉部を備えた開閉装置としては、例えば特許文献１や特許文献２に開示のガス絶縁開閉装置等が知られている。この開閉装置では、絶縁ガスが充填された密閉容器内に開閉部として可動側電極と固定側電極とが備えられ、可動側電極と常に接触しながら可動コンタクトが固定側電極と接離することで、開閉部での電路開閉が行われるようになっている。 As a switchgear provided with an opening / closing part for opening and closing a high-voltage electric circuit, such as a circuit breaker, a disconnector, a ground switch, a gas insulated switchgear disclosed in Patent Literature 1 and Patent Literature 2, for example, is known. In this switchgear, a movable side electrode and a fixed side electrode are provided as an open / close part in a sealed container filled with an insulating gas, and the movable contact is in contact with and away from the fixed side electrode while always in contact with the movable side electrode. The electric circuit is opened and closed at the opening and closing part.
ところで、上記の開閉装置においては、所定箇所に対して電界緩和対策を適切に講じることで絶縁性能が向上し、このことは開閉装置の小型化に繋がるため、適切に電界緩和対策を講じることの検討がなされている。 By the way, in the switchgear described above, the insulation performance is improved by appropriately taking electric field relaxation measures at a predetermined location, and this leads to the miniaturization of the switchgear, so that appropriate electric field relaxation measures can be taken. Consideration has been made.
本発明は、上記課題を解決するためになされたものであって、その目的は、適切な電界緩和対策を講じて、装置の小型化を図ることができる開閉装置を提供することにある。 The present invention has been made to solve the above-described problems, and an object of the present invention is to provide a switchgear that can reduce the size of the device by taking appropriate electric field relaxation measures.
上記課題を解決する開閉装置は、筒状の可動側電極と固定側電極と所定間隔を以て配置し、前記可動側電極内に接触状態にて配置される可動コンタクトの先端部が前記固定側電極に対しても接触する閉極位置まで動作する閉極状態と、前記可動コンタクトが前記固定側電極から離間して非接触となる開極位置まで動作する開極状態との間で切り替わる開閉部を備え、該開閉部前後の電路開閉を行う開閉装置であって、前記開閉部には、前記可動側電極の前記固定側電極との反対側に筒状の樹脂シールドが備えられ、前記可動コンタクトが前記閉極位置に配置された場合には、前記固定側電極側に突出しない前記可動コンタクトの基端側が前記可動側電極による囲繞状態となり、前記可動コンタクトが前記開極位置に配置された場合には、前記固定側電極からの離間に伴う前記可動コンタクトの基端側が前記可動側電極における前記固定側電極とは反対側から突出しその基端側の突出部分が前記樹脂シールドによる囲繞状態となるように構成される。 An opening / closing device that solves the above-mentioned problem is arranged with a predetermined distance between a cylindrical movable side electrode and a fixed side electrode, and a distal end portion of a movable contact that is disposed in contact with the movable side electrode is connected to the fixed side electrode. An open / close unit that switches between a closed state that operates to a closed contact position that also contacts and an open state that operates to an open position where the movable contact is separated from the fixed electrode and is not in contact is provided. An open / close device that opens and closes an electric circuit before and after the open / close portion, wherein the open / close portion includes a cylindrical resin shield on the opposite side of the movable side electrode to the fixed side electrode, and the movable contact includes the movable contact When the movable contact that is not projected to the fixed side electrode is placed in the closed position, the proximal end side of the movable contact is surrounded by the movable side electrode, and the movable contact is placed in the opened position. The above The base end side of the movable contact accompanying the separation from the constant side electrode protrudes from the opposite side of the movable side electrode to the fixed side electrode, and the protruding portion on the base end side is surrounded by the resin shield. The
この構成によれば、可動コンタクトが閉極位置に配置されると、固定側電極側に突出しない可動コンタクトの基端側が金属シールドとしても機能する可動側電極により囲繞状態となる。これに対し、可動コンタクトが開極位置に配置されると、固定側電極からの離間に伴う可動コンタクトの基端側が可動側電極における固定側電極とは反対側から突出するが、その基端側の突出部分が樹脂シールドにより囲繞状態となる。これにより、可動コンタクトがいずれの位置に配置されても、各シールド部材により適切に可動コンタクトに係る電界の緩和が可能となり、開閉部（開閉装置）の絶縁性能が向上する。つまり、開閉装置の小型化が期待できる。 According to this configuration, when the movable contact is disposed at the closed position, the base end side of the movable contact that does not protrude toward the fixed electrode side is surrounded by the movable electrode that also functions as a metal shield. On the other hand, when the movable contact is arranged at the open position, the proximal end side of the movable contact with the separation from the fixed electrode protrudes from the opposite side of the movable electrode to the fixed electrode. The projecting portion of is surrounded by a resin shield. As a result, regardless of the position of the movable contact, the electric field related to the movable contact can be appropriately relaxed by each shield member, and the insulation performance of the opening / closing part (opening / closing device) is improved. That is, the switchgear can be reduced in size.
また、上記の開閉装置において、前記開閉部には、前記可動側電極における前記固定側電極とは反対側に前記樹脂シールドを挿通する態様で配置される絶縁操作棒が備えられ、該絶縁操作棒との連結により前記可動コンタクトが外部から動作されるものであり、前記樹脂シールドは、前記絶縁操作棒の誘電率と同じか、それよりも大きい誘電率を以て構成されることが好ましい。 Further, in the above opening / closing apparatus, the opening / closing portion is provided with an insulating operation rod arranged in a manner of inserting the resin shield on the side of the movable side opposite to the fixed electrode, and the insulating operation rod It is preferable that the movable contact is operated from the outside by connecting to the resin shield, and the resin shield is configured with a dielectric constant equal to or greater than that of the insulating operation rod.
この構成によれば、樹脂シールドは可動コンタクトを動作させる絶縁操作棒の誘電率と同じか、それよりも大きい誘電率を以て構成されるため、高い電界緩和効果が得られ、装置の更なる小型化が期待できる。 According to this configuration, since the resin shield is configured with a dielectric constant equal to or higher than that of the insulating operation rod for operating the movable contact, a high electric field relaxation effect can be obtained and the device can be further downsized. Can be expected.
また、上記の開閉装置において、前記開閉部には、前記可動側電極における前記固定側電極とは反対側に前記樹脂シールドを挿通する態様で配置される絶縁操作棒が備えられ、該絶縁操作棒との連結により前記可動コンタクトが外部から動作されるものであり、前記樹脂シールドと前記絶縁操作棒との間の径方向の隙間は、前記可動側電極と前記絶縁操作棒との間のそれよりも大きく設定されることが好ましい。 Further, in the above opening / closing apparatus, the opening / closing portion is provided with an insulating operation rod arranged in a manner of inserting the resin shield on the side of the movable side opposite to the fixed electrode, and the insulating operation rod The movable contact is operated from the outside by the connection with, and the radial gap between the resin shield and the insulating operating rod is larger than that between the movable electrode and the insulating operating rod. Is preferably set larger.
この構成によれば、樹脂シールドと絶縁操作棒との間の径方向の隙間が十分に大きく設定されることから、高い電界緩和効果が得られ、装置の更なる小型化が期待できる。
また、上記の開閉装置において、前記樹脂シールドは、前記可動側電極の外側面よりも外側に膨出する膨出形状にて構成されることが好ましい。
According to this configuration, since the radial gap between the resin shield and the insulating operation rod is set sufficiently large, a high electric field relaxation effect can be obtained, and further downsizing of the apparatus can be expected.
In the above opening / closing apparatus, it is preferable that the resin shield has a bulging shape that bulges outward from the outer surface of the movable electrode.
この構成によれば、樹脂シールドは可動側電極の外側面から外側に膨出する膨出形状をなしていることから、樹脂シールドの外側面での沿面距離を稼ぐことができ、沿面絶縁破壊の発生の抑制が期待できる。 According to this configuration, since the resin shield has a bulging shape that bulges outward from the outer surface of the movable electrode, it is possible to earn a creepage distance on the outer surface of the resin shield and to prevent creeping breakdown. Suppression of the occurrence can be expected.
本発明の開閉装置によれば、適切な電界緩和対策を講じて、装置の小型化を図ることができる。 According to the switchgear of the present invention, it is possible to reduce the size of the device by taking appropriate electric field relaxation measures.
以下、開閉装置の一実施形態について説明する。
図１（ａ）（ｂ）に示すように、開閉装置として例えばガス絶縁開閉装置の密閉容器内に、遮断器や断路器、接地開閉器等、高電圧電路の開閉を行う開閉部１１が備えられている。開閉部１１は、電路の一方と他方とのそれぞれに接続される固定側電極１２と可動側電極１３とを備え、互いの先端部同士が所定間隔を以て密閉容器内に支持されている。
Hereinafter, an embodiment of the switchgear will be described.
As shown in FIGS. 1 (a) and 1 (b), an opening / closing part 11 for opening and closing a high-voltage electric circuit, such as a circuit breaker, a disconnection switch, a grounding switch, etc., is provided in a sealed container of a gas insulated switchgear as a switchgear. It has been. The opening / closing part 11 includes a fixed side electrode 12 and a movable side electrode 13 connected to one and the other of the electric circuit, and the tip parts of the open / close part 11 are supported in a sealed container at a predetermined interval.
固定側電極１２は、金属導体にて円筒状に形成されており、先端寄りの内側面に接触部１２ａが形成されている。可動側電極１３は、同じく金属導体にて固定側電極１２と同径の円筒状をなし、先端寄りの内側面に接触部１３ａが形成されるとともに、その固定側電極１２と同軸上に配置されている。可動側電極１３の内側には、円柱棒状の可動コンタクト１４が配置されている。 The stationary electrode 12 is formed of a metal conductor in a cylindrical shape, and a contact portion 12a is formed on the inner surface near the tip. The movable side electrode 13 is also formed of a metal conductor and has a cylindrical shape with the same diameter as the fixed side electrode 12, and a contact portion 13 a is formed on the inner surface near the tip, and is disposed coaxially with the fixed side electrode 12. ing. A cylindrical rod-shaped movable contact 14 is disposed inside the movable electrode 13.
可動コンタクト１４は、金属導体であり、円柱棒状のコンタクト本体１４ａとその基端部から突出する連結部１４ｂとを有している。連結部１４ｂは絶縁操作棒１５の一端に固定され、該操作棒１５の他端には駆動機構の駆動部材１６が固定されている。この絶縁操作棒１５は、課電される可動コンタクト１４側と接地電位の駆動部材１６側との絶縁を図りつつ、駆動部材１６の動作を可動コンタクト１４側に伝達するものである。因みに、絶縁操作棒１５は、コンタクト本体１４ａと同径にて構成されており、可動側電極１３の内側面との隙間がコンタクト本体１４ａと同等としている。 The movable contact 14 is a metal conductor and has a cylindrical rod-shaped contact body 14a and a connecting portion 14b protruding from the base end portion. The connecting portion 14 b is fixed to one end of the insulating operation rod 15, and the drive member 16 of the drive mechanism is fixed to the other end of the operation rod 15. The insulation operation rod 15 transmits the operation of the drive member 16 to the movable contact 14 side while insulating the movable contact 14 side to be charged from the drive member 16 side having the ground potential. Incidentally, the insulation operating rod 15 has the same diameter as that of the contact main body 14a, and the gap with the inner surface of the movable electrode 13 is equal to that of the contact main body 14a.
そして、可動コンタクト１４は、駆動機構による駆動部材１６の動作にて絶縁操作棒１５を介して軸方向に直線動作し、固定側電極１２の先端部内にその先端部が押し込まれる図１（ａ）の押込位置と、固定側電極１２から離間して可動側電極１３の先端部内まで引き出される図１（ｂ）の引出位置との間で往復動する。またその際、可動コンタクト１４（コンタクト本体１４ａ）は、可動側電極１３の接触部１３ａと常に接触状態となっており、先の押込位置においては固定側電極１２の接触部１２ａに対しても接触状態となる。つまり、可動コンタクト１４が押込位置に配置されることで開閉部１１が閉極状態となってその前後の電路を接続し、可動コンタクト１４が引出位置に配置されることで開閉部１１が開極状態となってその前後の電路を断絶するようになっている。 Then, the movable contact 14 linearly moves in the axial direction via the insulating operation rod 15 by the operation of the driving member 16 by the driving mechanism, and the distal end portion is pushed into the distal end portion of the fixed side electrode 12 (a). Reciprocating between the push-in position of FIG. 1B and the pull-out position of FIG. At that time, the movable contact 14 (contact body 14a) is always in contact with the contact portion 13a of the movable side electrode 13, and also contacts the contact portion 12a of the fixed side electrode 12 at the previous pushing position. It becomes a state. That is, when the movable contact 14 is arranged at the push-in position, the opening / closing part 11 is in a closed state to connect the electric circuit before and after that, and when the movable contact 14 is arranged at the drawing position, the opening / closing part 11 is opened. It becomes a state, and the electric circuit before and behind is cut off.
また、可動コンタクト１４が図１（ａ）の押込位置に配置される開閉部１１の閉極状態では、可動コンタクト１４の基端部の連結部１４ｂまでもが可動側電極１３内に収容された状態となっている。つまり、この閉極状態においては、可動側電極１３が電界シールドとして機能し、押込位置における可動コンタクト１４に係る電界緩和がなされる。 Further, in the closed state of the opening / closing part 11 in which the movable contact 14 is arranged at the pushing position in FIG. 1A, even the connecting part 14 b of the base end part of the movable contact 14 is accommodated in the movable side electrode 13. It is in a state. In other words, in this closed state, the movable side electrode 13 functions as an electric field shield, and the electric field of the movable contact 14 at the push-in position is reduced.
これに対し、可動コンタクト１４が図１（ｂ）の引出位置に配置される開閉部１１の開極状態では、可動コンタクト１４の基端側１／４程度の部分、即ち連結部１４ｂ及びコンタクト本体１４ａの基端の一部が可動側電極１３の基端部から突出する。本形態では、その突出する可動コンタクト１４の基端部分の周囲を囲繞するような円筒状の樹脂シールド１７が可動側電極１３の基端側開口縁に備えられている。つまり、この開極状態においては、可動側電極１３とともに樹脂シールド１７が電界シールドとして機能し、引出位置における可動コンタクト１４に係る電界緩和がなされる。 On the other hand, in the open state of the opening / closing part 11 in which the movable contact 14 is arranged at the drawing position in FIG. 1B, a portion about ¼ of the proximal end side of the movable contact 14, that is, the coupling part 14b and the contact main body. A part of the base end of 14 a protrudes from the base end portion of the movable electrode 13. In this embodiment, a cylindrical resin shield 17 surrounding the base end portion of the projecting movable contact 14 is provided at the base side opening edge of the movable side electrode 13. In other words, in this open state, the resin shield 17 functions as an electric field shield together with the movable side electrode 13, and the electric field of the movable contact 14 at the extraction position is reduced.
樹脂シールド１７の詳細構成について、樹脂シールド１７は、円筒状をなして可動側電極１３等と同軸上に配置され、電極１３の基端側開口縁に一体成形又は後付け固着されている。樹脂シールド１７の軸方向の延設端部は、図１（ｂ）の引出位置での可動コンタクト１４の基端（連結部１４ｂの先端）と略同じ位置に設定されており、同位置において可動コンタクト１４が樹脂シールド１７から軸方向に突出しないようになっている。 With regard to the detailed configuration of the resin shield 17, the resin shield 17 has a cylindrical shape and is disposed coaxially with the movable electrode 13 and the like, and is integrally molded or fixedly attached to the proximal end side opening edge of the electrode 13. The extending end of the resin shield 17 in the axial direction is set at substantially the same position as the base end of the movable contact 14 at the drawing position in FIG. 1B (the tip of the connecting portion 14b), and is movable at the same position. The contact 14 does not protrude from the resin shield 17 in the axial direction.
また、樹脂シールド１７は、可動側電極１３の厚さ（径方向長さ）の略１／２程度の厚さをなし、可動側電極１３の外側面と面一である一方、内側面は可動側電極１３の内側面よりも径方向外側に位置している。つまり、樹脂シールド１７と絶縁操作棒１５との間の径方向の隙間１８を大きく設定することで、電界緩和効果の向上が図られている。更に、樹脂シールド１７の誘電率については絶縁操作棒１５の誘電率と同じか、それよりも大きく設定するのが電界緩和の観点で好ましい。 In addition, the resin shield 17 has a thickness that is approximately ½ of the thickness (the length in the radial direction) of the movable electrode 13 and is flush with the outer surface of the movable electrode 13, while the inner surface is movable. It is located radially outside the inner surface of the side electrode 13. That is, the electric field relaxation effect is improved by setting a large radial gap 18 between the resin shield 17 and the insulating operation rod 15. Furthermore, it is preferable from the viewpoint of electric field relaxation that the dielectric constant of the resin shield 17 is set to be equal to or larger than the dielectric constant of the insulating operation rod 15.
次に、本実施形態の特徴的な効果を記載する。
（１）可動コンタクト１４が図１（ａ）の押込位置（閉極位置）に配置されると、固定側電極１２側に突出しない可動コンタクト１４の基端側が金属シールドとしても機能する可動側電極１３により囲繞状態となる。これに対し、可動コンタクト１４が図１（ｂ）の引出位置（開極位置）に配置されると、固定側電極１２からの離間に伴う可動コンタクト１４の基端側が可動側電極１３における固定側電極１２とは反対側から突出するが、その基端側の突出部分が樹脂シールド１７により囲繞状態となる。これにより、可動コンタクト１４がいずれの位置に配置されても、電界シールドとして機能する可動側電極１３や樹脂シールド１７といった各シールド部材により適切に可動コンタクト１４に係る電界の緩和が可能となり、開閉部１１の絶縁性能の向上、ひいては開閉装置の小型化に貢献できる。
Next, characteristic effects of the present embodiment will be described.
(1) When the movable contact 14 is disposed at the push-in position (closed position) in FIG. 1A, the movable side electrode that also functions as a metal shield on the base end side of the movable contact 14 that does not protrude toward the fixed side electrode 12 side. 13 is in the Go state. On the other hand, when the movable contact 14 is disposed at the extraction position (opening position) in FIG. 1B, the base end side of the movable contact 14 accompanying the separation from the fixed electrode 12 is the fixed side of the movable electrode 13. Although protruding from the side opposite to the electrode 12, the protruding portion on the base end side is surrounded by the resin shield 17. Accordingly, regardless of the position of the movable contact 14, the electric field related to the movable contact 14 can be appropriately reduced by the shield members such as the movable electrode 13 and the resin shield 17 that function as an electric field shield. 11 can contribute to the improvement of the insulation performance and the downsizing of the switchgear.
（２）樹脂シールド１７は可動コンタクト１４を動作させる絶縁操作棒１５の誘電率と同じか、それよりも大きい誘電率を以て構成されるため、高い電界緩和効果を得ることができ、装置の更なる小型化に貢献できる。 (2) Since the resin shield 17 is configured with a dielectric constant equal to or greater than that of the insulating operation rod 15 that operates the movable contact 14, a high electric field relaxation effect can be obtained, and the device can be further improved. Contributes to downsizing.
（３）樹脂シールド１７と絶縁操作棒１５との間の径方向の隙間１８が十分に大きく設定されることから、高い電界緩和効果を得ることができ、装置の更なる小型化に貢献できる。 (3) Since the radial gap 18 between the resin shield 17 and the insulating operation rod 15 is set sufficiently large, a high electric field relaxation effect can be obtained, which can contribute to further downsizing of the apparatus.
尚、上記実施形態は、以下のように変更してもよい。
・樹脂シールド１７の形状について適宜変更してもよい。上記実施形態では、樹脂シールド１７の外側面を可動側電極１３の外側面と面一に構成したが、変更してもよい。
In addition, you may change the said embodiment as follows.
-You may change suitably about the shape of the resin shield 17. FIG. In the above embodiment, the outer surface of the resin shield 17 is configured to be flush with the outer surface of the movable electrode 13, but may be changed.
例えば図２（ａ）（ｂ）に示すように、可動側電極１３の外側面から外側に膨出する膨出形状をなす樹脂シールド１７ａを用いてもよい。このようにすれば、樹脂シールド１７ａの外側面での沿面距離を稼ぐことができ、沿面絶縁破壊の発生の抑制が期待できる。 For example, as shown in FIGS. 2A and 2B, a resin shield 17a having a bulging shape that bulges outward from the outer surface of the movable electrode 13 may be used. If it does in this way, the creepage distance in the outer side surface of the resin shield 17a can be earned, and suppression of generation | occurrence | production of a creeping dielectric breakdown can be anticipated.
・上記実施形態では、可動コンタクト１４の連結部１４ｂが埋設等により絶縁操作棒１５の一端に固定され、絶縁操作棒１５の他端には駆動部材１６が同じく埋設等により固定されていた。つまり、可動コンタクト１４の直線往復動に対して、絶縁操作棒１５及び駆動部材１６も直線往復動を想定しての連結構造である。連結構造はこれに限らず、適宜変更してもよい。 In the above embodiment, the connecting portion 14b of the movable contact 14 is fixed to one end of the insulating operation rod 15 by embedding or the like, and the drive member 16 is also fixed to the other end of the insulating operation rod 15 by embedding or the like. That is, with respect to the linear reciprocation of the movable contact 14, the insulating operation rod 15 and the drive member 16 also have a connection structure assuming a linear reciprocation. The connection structure is not limited to this, and may be changed as appropriate.
例えば図３（ａ）（ｂ）に示すように、可動コンタクト１４の連結部１４ｃと絶縁操作棒１５ａの一端とを連結ピン１９にて連結し、絶縁操作棒１５ａの他端と駆動部材１６ａとを連結ピン１９にて連結するようにしてもよい。この連結構造にて直線往復動させてもよく、また連結ピン１９にて相互間を相対回動可能とすれば、駆動部材１６ａ側の回動運動を可動コンタクト１４の直線往復動に変換することもできる。 For example, as shown in FIGS. 3A and 3B, the connecting portion 14c of the movable contact 14 and one end of the insulating operating rod 15a are connected by a connecting pin 19, and the other end of the insulating operating rod 15a and the driving member 16a are connected. May be connected by a connecting pin 19. The connecting structure may be used to reciprocate linearly, and if the connecting pins 19 can rotate relative to each other, the rotational movement on the drive member 16a side can be converted into the linear reciprocating movement of the movable contact 14. You can also.
・上記実施形態では、開閉部１１を備える開閉装置として例えばガス絶縁開閉装置に適用したが、その他の開閉装置に適用してもよい。
次に、上記実施形態及び別例から把握できる技術的思想を以下に追記する。
In the above embodiment, the switchgear including the switchgear 11 is applied to, for example, a gas-insulated switchgear, but may be applied to other switchgears.
Next, a technical idea that can be grasped from the above embodiment and another example will be added below.
（イ） 請求項１〜４のいずれか１項に記載の開閉装置は、ガス絶縁開閉装置であることを特徴とする開閉装置。 (A) The switchgear according to any one of claims 1 to 4 is a gas insulated switchgear.
１１…開閉部、１２…固定側電極、１３…可動側電極、１４…可動コンタクト、１５，１５ａ…絶縁操作棒、１７，１７ａ…樹脂シールド、１８…隙間。 DESCRIPTION OF SYMBOLS 11 ... Opening / closing part, 12 ... Fixed side electrode, 13 ... Movable side electrode, 14 ... Movable contact, 15, 15a ... Insulation operation rod, 17, 17a ... Resin shield, 18 ... Gap.
Claims (4)
前記開閉部には、前記可動側電極の前記固定側電極との反対側に筒状の樹脂シールドが備えられ、前記可動コンタクトが前記閉極位置に配置された場合には、前記固定側電極側に突出しない前記可動コンタクトの基端側が前記可動側電極による囲繞状態となり、前記可動コンタクトが前記開極位置に配置された場合には、前記固定側電極からの離間に伴う前記可動コンタクトの基端側が前記可動側電極における前記固定側電極とは反対側から突出しその基端側の突出部分が前記樹脂シールドによる囲繞状態となるように構成されたことを特徴とする開閉装置。 The cylindrical movable side electrode and the fixed side electrode are arranged at a predetermined interval, and the tip of the movable contact arranged in contact with the movable side electrode is in contact with the fixed side electrode. An open / close portion that switches between an operating closed state and an open state in which the movable contact is moved away from the fixed electrode to a non-contact open position, and the electric circuit is opened and closed before and after the open / close portion. A switchgear to perform,
The opening / closing part is provided with a cylindrical resin shield on the opposite side of the movable side electrode to the fixed side electrode, and when the movable contact is disposed at the closed position, the fixed side electrode side When the movable contact that does not protrude from the movable contact is surrounded by the movable electrode and the movable contact is disposed at the open position, the proximal end of the movable contact that accompanies the separation from the fixed electrode An opening / closing device characterized in that a side protrudes from the opposite side of the movable side electrode to the fixed side electrode and a protruding portion on the base end side is surrounded by the resin shield.
前記開閉部には、前記可動側電極における前記固定側電極とは反対側に前記樹脂シールドを挿通する態様で配置される絶縁操作棒が備えられ、該絶縁操作棒との連結により前記可動コンタクトが外部から動作されるものであり、
前記樹脂シールドは、前記絶縁操作棒の誘電率と同じか、それよりも大きい誘電率を以て構成されたことを特徴とする開閉装置。 The switchgear according to claim 1,
The opening / closing part is provided with an insulating operation rod arranged in a manner of inserting the resin shield on the opposite side of the movable side electrode to the fixed side electrode, and the movable contact is connected to the insulating operation rod. It is operated from the outside,
The switchgear characterized in that the resin shield is configured with a dielectric constant equal to or greater than a dielectric constant of the insulating operation rod.
前記開閉部には、前記可動側電極における前記固定側電極とは反対側に前記樹脂シールドを挿通する態様で配置される絶縁操作棒が備えられ、該絶縁操作棒との連結により前記可動コンタクトが外部から動作されるものであり、
前記樹脂シールドと前記絶縁操作棒との間の径方向の隙間は、前記可動側電極と前記絶縁操作棒との間のそれよりも大きく設定されたことを特徴とする開閉装置。 The switchgear according to claim 1 or 2,
The opening / closing part is provided with an insulating operation rod arranged in a manner of inserting the resin shield on the opposite side of the movable side electrode to the fixed side electrode, and the movable contact is connected to the insulating operation rod. It is operated from the outside,
An opening / closing device characterized in that a radial gap between the resin shield and the insulating operation rod is set larger than that between the movable electrode and the insulating operation rod.
前記樹脂シールドは、前記可動側電極の外側面よりも外側に膨出する膨出形状にて構成されたことを特徴とする開閉装置。 The switchgear according to any one of claims 1 to 3,
The switchgear characterized in that the resin shield has a bulging shape that bulges outward from the outer surface of the movable electrode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2013089325A JP6291719B2 (en) | 2013-04-22 | 2013-04-22 | Switchgear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2013089325A JP6291719B2 (en) | 2013-04-22 | 2013-04-22 | Switchgear |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2014212677A true JP2014212677A (en) | 2014-11-13 |
| JP6291719B2 JP6291719B2 (en) | 2018-03-14 |
Family
ID=51932026
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2013089325A Active JP6291719B2 (en) | 2013-04-22 | 2013-04-22 | Switchgear |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP6291719B2 (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS50100069U (en) * | 1974-01-18 | 1975-08-19 | ||
| JPS5593620A (en) * | 1979-01-10 | 1980-07-16 | Fuji Electric Co Ltd | Disconnecting switch |
| JPS60101824A (en) * | 1983-11-08 | 1985-06-05 | 株式会社日立製作所 | Sf6 gas disconnecting switch |
| JPH0246113A (en) * | 1988-08-08 | 1990-02-15 | Toshiba Corp | Gas insulated disconnecting switch |
| JPH09129096A (en) * | 1995-11-01 | 1997-05-16 | Hitachi Ltd | Gas insulating switch |
| WO2005062325A1 (en) * | 2003-12-19 | 2005-07-07 | Mitsubishi Denki Kabushiki Kaisha | Disconnector |
| WO2012063501A1 (en) * | 2010-11-12 | 2012-05-18 | 三菱電機株式会社 | Gas insulated switching device |
-
2013
- 2013-04-22 JP JP2013089325A patent/JP6291719B2/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS50100069U (en) * | 1974-01-18 | 1975-08-19 | ||
| JPS5593620A (en) * | 1979-01-10 | 1980-07-16 | Fuji Electric Co Ltd | Disconnecting switch |
| JPS60101824A (en) * | 1983-11-08 | 1985-06-05 | 株式会社日立製作所 | Sf6 gas disconnecting switch |
| JPH0246113A (en) * | 1988-08-08 | 1990-02-15 | Toshiba Corp | Gas insulated disconnecting switch |
| JPH09129096A (en) * | 1995-11-01 | 1997-05-16 | Hitachi Ltd | Gas insulating switch |
| WO2005062325A1 (en) * | 2003-12-19 | 2005-07-07 | Mitsubishi Denki Kabushiki Kaisha | Disconnector |
| WO2012063501A1 (en) * | 2010-11-12 | 2012-05-18 | 三菱電機株式会社 | Gas insulated switching device |
Also Published As
| Publication number | Publication date |
|---|---|
| JP6291719B2 (en) | 2018-03-14 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP5840473B2 (en) | Circuit breaker for medium to high voltage | |
| KR101704807B1 (en) | operation device using electromagnetic repulsion force for circuit breaker | |
| JP2015023685A (en) | Switch gear | |
| CN203966948U (en) | A kind of three station isolation grounding switchs | |
| RU2003108296A (en) | VACUUM CIRCUIT BREAKER | |
| US20100078302A1 (en) | Insulating switching rod with a contact pressure arrangement comprising a plurality of helical compression springs wound in opposite senses | |
| JP6291719B2 (en) | Switchgear | |
| CN109314010B (en) | Switching device with double conductive shells | |
| KR101771637B1 (en) | Sealed relay | |
| JP5319453B2 (en) | Ground switchgear | |
| WO2009076975A1 (en) | Medium-voltage switchgear assembly | |
| EP3093866B1 (en) | An electric pole unit for medium voltage gas-insulated circuit breakers | |
| EP2940707A1 (en) | Switching apparatus | |
| KR101247538B1 (en) | Solid insulated switchgear | |
| KR101697627B1 (en) | Gas circuit breaker for gas insulated switchgear | |
| US8835791B2 (en) | Pushrod assembly for circuit breaker | |
| EP2682974A1 (en) | Pushrod assembly for a medium voltage vacuum circuit breaker | |
| WO2019171707A1 (en) | Switch | |
| KR101690131B1 (en) | Method for manufacturing insulated housing for solid insulated switchgear | |
| CN201311870Y (en) | Vacuum breaker | |
| JP5188611B2 (en) | Switchgear | |
| CN109844893B (en) | High-voltage switching device, switching installation with a high-voltage switching device, and method for producing a high-voltage switching device | |
| JP2017046465A (en) | Gas-insulation switchgear | |
| JP5940225B1 (en) | Switchgear | |
| JP3781944B2 (en) | Multifunctional vacuum valve |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20160223 |
|
| A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20161116 |
|
| A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20161122 |
|
| A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20170120 |
|
| A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20170704 |
|
| A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20170830 |
|
| TRDD | Decision of grant or rejection written | ||
| A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20180116 |
|
| A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20180129 |
|
| R150 | Certificate of patent or registration of utility model |
Ref document number: 6291719 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |