JP6945657B2 - New indoor high pressure smart vacuum breaker - Google Patents

New indoor high pressure smart vacuum breaker Download PDF

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JP6945657B2
JP6945657B2 JP2019566892A JP2019566892A JP6945657B2 JP 6945657 B2 JP6945657 B2 JP 6945657B2 JP 2019566892 A JP2019566892 A JP 2019566892A JP 2019566892 A JP2019566892 A JP 2019566892A JP 6945657 B2 JP6945657 B2 JP 6945657B2
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current transformer
voltage
transformer
indoor high
vacuum breaker
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JP2020528195A (en
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英 ▲馮▼
英 ▲馮▼
承玉 王
承玉 王
正茂 ▲豊▼
正茂 ▲豊▼
培忠 李
培忠 李
▲維▼霞 ▲鄭▼
▲維▼霞 ▲鄭▼
▲剣▼ ▲蘭▼
▲剣▼ ▲蘭▼
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Shandong Taikai Apparatus Complete CoLtd
China Electric Power Research Institute Co Ltd CEPRI
Shandong Taikai Apparatus Complete Co Ltd
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Shandong Taikai Apparatus Complete CoLtd
China Electric Power Research Institute Co Ltd CEPRI
Shandong Taikai Apparatus Complete Co Ltd
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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
    • 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
    • H01H33/664—Contacts; Arc-extinguishing means, e.g. arcing rings

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  • High-Tension Arc-Extinguishing Switches Without Spraying Means (AREA)

Description

本開示は、出願日が２０１８年０５月２１日であり、出願番号が２０１８２０７５２５００.４である中国特許出願の優先権を主張し、該中国特許出願の全ての内容を、参照により本発明に援用する。 The present disclosure claims the priority of a Chinese patent application with a filing date of May 21, 2018 and an application number of 2018207525500.4, and the entire contents of the Chinese patent application are incorporated herein by reference. do.

本開示は、ブレーカーの技術分野に関し、例えば、新型の屋内高圧スマート真空ブレーカーに関する。 The present disclosure relates to the technical field of breakers, for example, to new indoor high pressure smart vacuum breakers.

従来の１２ｋＶ台車式スイッチボックスは、スイッチボックス本体の制御室にスマート保護・制御装置を取り付け、スイッチボックス本体の下部のケーブル室に従来の磁気電流トランスフォーマーを取り付け、二次導線によりブレーカーを上記保護装置および電流トランスフォーマーに接続することにより、ブレーカーを実現する。このような方式は、配線が複雑で、損失が大きく、外乱要因が多く、システム全体の安定性に影響を与える。 In the conventional 12kV trolley type switch box, a smart protection / control device is attached to the control room of the switch box body, a conventional magnetic current transformer is attached to the cable chamber at the bottom of the switch box body, and the breaker is protected by the secondary conductor. And by connecting to a current transformer, a breaker is realized. Such a method has complicated wiring, large loss, many disturbance factors, and affects the stability of the entire system.

本開示は、配線が簡単で、外乱や損失が小さく、構造強度が高い新型の屋内高圧スマート真空ブレーカーを提供する。 The present disclosure provides a new type of indoor high pressure smart vacuum breaker with easy wiring, low disturbance and loss, and high structural strength.

本開示は、機関ボックス、電流トランスフォーマー、電圧トランスフォーマーおよび真空消弧室を備え、前記電流トランスフォーマー、電圧トランスフォーマーおよび真空消弧室が一体に埋め込まれて封止極柱を形成し、前記電流トランスフォーマー、電圧トランスフォーマーおよび真空消弧室が三角分布となり、且つ、前記電流トランスフォーマーが真空消弧室の外層に位置し、電圧トランスフォーマーが電流トランスフォーマーおよび真空消弧室の上方に位置し、封止極柱の下端が機関ボックスに固着され、封止極柱の上端が二次接続箱により機関ボックスに固着されている、新型の屋内高圧スマート真空ブレーカーを提供する。 The present disclosure includes an engine box, a current transformer, a voltage transformer and a vacuum extinguishing chamber, and the current transformer, the voltage transformer and the vacuum extinguishing chamber are integrally embedded to form a sealing pole, and the current transformer, the voltage and the voltage. The transformer and the vacuum extinguishing chamber have a triangular distribution, the current transformer is located on the outer layer of the vacuum arc extinguishing chamber, the voltage transformer is located above the current transformer and the vacuum extinguishing chamber, and the lower end of the sealing pole column is located. It provides a new type of indoor high-pressure smart vacuum breaker that is fixed to the engine box and the upper end of the sealing pole is fixed to the engine box by a secondary junction box.

本開示の構造模式図である。It is a structural schematic diagram of this disclosure.

以下、具体的な実施方式により、本案を説明する。 Hereinafter, the present proposal will be described according to a specific implementation method.

図１に示すように、新型の屋内高圧スマート真空ブレーカーは、機関ボックス１３、電流トランスフォーマー１１、電圧トランスフォーマー５および真空消弧室１２を備え、前記電流トランスフォーマー１１、電圧トランスフォーマー５および真空消弧室１２が一体に埋め込まれて封止極柱（ｓｏｌｉｄ ｓｅａｌｅｄ ｐｏｌｅ）４を形成し、電流トランスフォーマー１１、電圧トランスフォーマー５に接続される信号線１５も封止極柱４に埋め込まれている。電流トランスフォーマー１１、電圧トランスフォーマー５および真空消弧室１２が三角分布となり、且つ、前記電流トランスフォーマー１１が真空消弧室１２の外層に位置し、電圧トランスフォーマー５が電流トランスフォーマー１１および真空消弧室１２の上方に位置している。封止極柱４の下端が機関ボックス１３に固着され、封止極柱４の上端が二次接続箱８により機関ボックス１３に固着されることで、環状の閉鎖式接続構造が形成され、構造全体の強度が大幅に向上する。封止極柱４の上端において二次接続箱８に近い側に、二次コンデンサ７を置くための凹溝１４が設けられている。 As shown in FIG. 1, the new indoor high-voltage smart vacuum breaker includes an engine box 13, a current transformer 11, a voltage transformer 5, and a vacuum extinguishing chamber 12, and includes the current transformer 11, the voltage transformer 5, and the vacuum extinguishing chamber 12. Is integrally embedded to form a solid sealed hole 4, and a signal line 15 connected to the current transformer 11 and the voltage transformer 5 is also embedded in the sealed pole column 4. The current transformer 11, the voltage transformer 5, and the vacuum extinguishing chamber 12 have a triangular distribution, the current transformer 11 is located in the outer layer of the vacuum extinguishing chamber 12, and the voltage transformer 5 is the current transformer 11 and the vacuum extinguishing chamber 12. It is located above. The lower end of the sealing pole column 4 is fixed to the engine box 13, and the upper end of the sealing pole column 4 is fixed to the engine box 13 by the secondary junction box 8 to form an annular closed connection structure. The overall strength is greatly improved. A concave groove 14 for placing the secondary capacitor 7 is provided on the upper end of the sealing pole column 4 on the side close to the secondary junction box 8.

例示的に、前記新型の屋内高圧スマート真空ブレーカーは、１２ｋＶ台車式スイッチボックスに適用されるブレーカーであってもよい。 Illustratively, the new indoor high voltage smart vacuum breaker may be a breaker applied to a 12 kV trolley type switch box.

封止極柱４に、二次コンデンサ７、スマート保護・制御装置１０にそれぞれ接続される二次接続端子６がさらに設けられ、電流トランスフォーマー１１が信号線１５、二次接続端子６によりスマート保護・制御装置１０に接続され、電圧トランスフォーマー５が信号線１５、二次接続端子６により二次コンデンサ７に接続されている。信号線１５がスマート保護・制御装置１０に接続され、スマート保護・制御装置１０の、外部に接続される他端に航空コネクター（ａｖｉａｔｉｏｎ ｃｏｎｎｅｃｔｏｒ）９が設けられている。 The sealing pole column 4 is further provided with a secondary connection terminal 6 connected to the secondary capacitor 7 and the smart protection / control device 10, respectively, and the current transformer 11 is smartly protected by the signal line 15 and the secondary connection terminal 6. It is connected to the control device 10, and the voltage transformer 5 is connected to the secondary capacitor 7 by the signal line 15 and the secondary connection terminal 6. The signal line 15 is connected to the smart protection / control device 10, and an aviation connector 9 is provided at the other end of the smart protection / control device 10 connected to the outside.

封止極柱４に、前記電圧トランスフォーマー５に電気的に接続されたアウトレットハウジング３が固定され、アウトレットハウジング３が接触アーム２により梅花型コンタクト（ｐｌｕｍ ｂｌｏｓｓｏｍ ｃｏｎｔａｃｔ）１に接続されている。 An outlet housing 3 electrically connected to the voltage transformer 5 is fixed to the sealing pole column 4, and the outlet housing 3 is connected to a plum blossom contact 1 by a contact arm 2.

本実施例において、電流トランスフォーマーが鉄心コイル式低消費電力電流トランスフォーマー（ＬＰＣＴ）であり、前記鉄心コイル式低消費電力電流トランスフォーマー（ＬＰＣＴ）は、保護および測定の機能を集積することができ、電圧トランスフォーマーは容量分圧原理を採用したトランスフォーマーであり、本実施例において、電流トランスフォーマーおよび電圧トランスフォーマーを分けて設けることにより、封止極柱の外形寸法が減少するだけでなく、電界強度も低下する。 In this embodiment, the current transformer is an iron core coil type low power consumption current transformer (LPCT), and the iron core coil type low power consumption current transformer (LPCT) can integrate protection and measurement functions, and is a voltage transformer. Is a transformer that employs the principle of capacitive voltage division. In this embodiment, by providing the current transformer and the voltage transformer separately, not only the external dimensions of the sealing pole column are reduced, but also the electric field strength is reduced.

本実施例において、電流トランスフォーマー、電圧トランスフォーマー、真空消弧室を一体に埋め込むことにより封止極柱が形成され、接続が簡単で、外乱要因が少なく、損失が低いとともに、電流トランスフォーマー、電圧トランスフォーマーおよび真空消弧室が三角分布となり、封止極柱の構造の強度が向上するだけでなく、電流トランスフォーマーおよび電圧トランスフォーマーを分けて設けることにより、外形寸法が減少し、電界強度が低下し、封止極柱および機関ボックスは閉鎖式接続を形成し、構造の強度を確保し、使用寿命を延長させる。 In this embodiment, a current transformer, a voltage transformer, and a vacuum extinguishing chamber are integrally embedded to form a sealing pole column, which is easy to connect, has few disturbance factors, has low loss, and has a current transformer, a voltage transformer, and a current transformer. The vacuum arc extinguishing chamber has a triangular distribution, which not only improves the strength of the structure of the sealing pole column, but also reduces the external dimensions, reduces the electric field strength, and seals by providing the current transformer and the voltage transformer separately. The poles and engine box form a closed connection to ensure structural strength and extend service life.

本開示は、封止極柱、二次接続箱および機関ボックスが環状の閉鎖式接続機関を形成することにより、ブレーカーの構造全体の強度を向上させ、電流トランスフォーマー、電圧トランスフォーマーおよび真空消弧室の位置設定は、占有空間を減少し、封止極柱の構造の強度を増加し、且つ、電流トランスフォーマーと電圧トランスフォーマーを分けて設けることにより、電界強度を減少し、損失を低下させた。 The present disclosure improves the overall strength of the circuit breaker structure by forming an annular closed connecting engine with sealing poles, secondary junction boxes and engine boxes, for current transformers, voltage transformers and vacuum extinguishing chambers. The positioning reduced the occupied space, increased the strength of the structure of the sealing pole column, and reduced the electric field strength and reduced the loss by providing the current transformer and the voltage transformer separately.

１ 梅花型コンタクト
２ 接触アーム
３ アウトレットハウジング
４ 封止極柱
５ 電圧トランスフォーマー
６ 二次接続端子
７ 二次コンデンサ
８ 二次接続箱
９ 航空コネクター
１０ スマート保護・制御装置
１１ 電流トランスフォーマー
１２ 真空消弧室
１３ 機関ボックス
１４ 凹溝
１５ 信号線 1 Plum blossom type contact 2 Contact arm 3 Outlet housing 4 Sealed pole pillar 5 Voltage transformer 6 Secondary connection terminal 7 Secondary capacitor 8 Secondary junction box 9 Aviation connector 10 Smart protection / control device 11 Current transformer 12 Vacuum extinguishing chamber 13 Engine box 14 concave groove 15 signal line

Claims (7)

機関ボックス、電流トランスフォーマー、電圧トランスフォーマーおよび真空消弧室を備え、前記電流トランスフォーマー、前記電圧トランスフォーマーおよび前記真空消弧室は一体に埋め込まれて封止極柱を形成し、前記電流トランスフォーマー、前記電圧トランスフォーマーおよび前記真空消弧室は三角分布となり、且つ、前記電流トランスフォーマーは前記真空消弧室の外層に位置し、前記電圧トランスフォーマーは前記電流トランスフォーマーおよび前記真空消弧室の上方に位置し、前記封止極柱の下端が前記機関ボックスに固着され、前記封止極柱の上端が二次接続箱により前記機関ボックスに固着され、前記封止極柱に、前記電圧トランスフォーマーに電気的に接続されたアウトレットハウジングがさらに固定されている、新型の屋内高圧スマート真空ブレーカー。 The engine box, the current transformer, the voltage transformer and the vacuum extinguishing chamber are provided, and the current transformer, the voltage transformer and the vacuum extinguishing chamber are integrally embedded to form a sealing pole, and the current transformer and the voltage transformer are formed. And the vacuum extinguishing chamber has a triangular distribution, the current transformer is located in the outer layer of the vacuum extinguishing chamber, the voltage transformer is located above the current transformer and the vacuum extinguishing chamber, and the sealing. An outlet in which the lower end of the pole column is fixed to the engine box, the upper end of the sealing pole pillar is fixed to the engine box by a secondary junction box, and the sealing pole pillar is electrically connected to the voltage transformer. A new type of indoor high-pressure smart vacuum breaker with a fixed housing. 前記アウトレットハウジングが接触アームにより梅花型コンタクトに接続されている、請求項１に記載の新型の屋内高圧スマート真空ブレーカー。 The new type of indoor high pressure smart vacuum breaker according to claim 1 , wherein the outlet housing is connected to a plum blossom type contact by a contact arm. 前記封止極柱に、二次コンデンサ、スマート保護・制御装置にそれぞれ接続される二次接続端子がさらに設けられている、請求項１に記載の新型の屋内高圧スマート真空ブレーカー。 The new type of indoor high-voltage smart vacuum breaker according to claim 1, wherein the sealing pole column is further provided with a secondary connection terminal connected to a secondary capacitor and a smart protection / control device, respectively. 前記封止極柱に設けられる二次接続端子をさらに備え、前記二次接続端子が前記封止極柱内に埋め込まれた信号線により前記電流トランスフォーマーに接続されている、請求項１または３に記載の新型の屋内高圧スマート真空ブレーカー。 According to claim 1 or 3 , the secondary connection terminal provided on the sealing pole column is further provided, and the secondary connection terminal is connected to the current transformer by a signal line embedded in the sealing pole column. The new indoor high pressure smart vacuum breaker described. 前記封止極柱の上端において前記二次接続箱に近い側に、前記二次コンデンサを置くための凹溝が設けられている、請求項３または請求項３を引用する請求項４に記載の新型の屋内高圧スマート真空ブレーカー。 The fourth aspect of the present invention, wherein a concave groove for placing the secondary capacitor is provided at the upper end of the sealing pole column on the side close to the secondary junction box, according to claim 3 or claim 3 . A new type of indoor high pressure smart vacuum breaker. 前記電流トランスフォーマーは鉄心コイル式低消費電力電流トランスフォーマーである、請求項１に記載の新型の屋内高圧スマート真空ブレーカー。 The new type of indoor high-voltage smart vacuum breaker according to claim 1, wherein the current transformer is an iron core coil type low power consumption current transformer. 前記電圧トランスフォーマーは容量分圧原理を採用したトランスフォーマーである、請求項１に記載の新型の屋内高圧スマート真空ブレーカー。 The new type of indoor high-voltage smart vacuum breaker according to claim 1, wherein the voltage transformer is a transformer that employs the principle of capacitance voltage division.
JP2019566892A 2018-05-21 2019-05-21 New indoor high pressure smart vacuum breaker Active JP6945657B2 (en)

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CN201820752500.4U CN208208646U (en) 2018-05-21 2018-05-21 A kind of novel indoor high-voltage intelligent vacuum circuit breaker
CN201820752500.4 2018-05-21
PCT/CN2019/087852 WO2019223701A1 (en) 2018-05-21 2019-05-21 New indoor intelligent high-voltage vacuum circuit breaker

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CN208208646U (en) * 2018-05-21 2018-12-07 山东泰开成套电器有限公司 A kind of novel indoor high-voltage intelligent vacuum circuit breaker
CN113035635B (en) * 2020-12-18 2022-09-20 国网宁夏电力有限公司电力科学研究院 Bellows protection air chamber

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CN206602067U (en) * 2017-04-20 2017-10-31 日升集团有限公司 Pole
CN107017114A (en) * 2017-05-24 2017-08-04 山东泰开成套电器有限公司 A kind of indoor high-voltage intelligent vacuum circuit breaker
CN206711823U (en) * 2017-05-24 2017-12-05 山东泰开成套电器有限公司 A kind of indoor high-voltage intelligent vacuum circuit breaker
CN208208646U (en) * 2018-05-21 2018-12-07 山东泰开成套电器有限公司 A kind of novel indoor high-voltage intelligent vacuum circuit breaker

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