WO2008080288A1 - A full-insulative waterproof switch cabinet - Google Patents

A full-insulative waterproof switch cabinet Download PDF

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Publication number
WO2008080288A1
WO2008080288A1 PCT/CN2007/003008 CN2007003008W WO2008080288A1 WO 2008080288 A1 WO2008080288 A1 WO 2008080288A1 CN 2007003008 W CN2007003008 W CN 2007003008W WO 2008080288 A1 WO2008080288 A1 WO 2008080288A1
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WO
WIPO (PCT)
Prior art keywords
circuit breaker
cable
busbar
chamber
static contact
Prior art date
Application number
PCT/CN2007/003008
Other languages
French (fr)
Chinese (zh)
Inventor
Yongbo Zhu
Original Assignee
Yongbo Zhu
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Yongbo Zhu filed Critical Yongbo Zhu
Publication of WO2008080288A1 publication Critical patent/WO2008080288A1/en

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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
    • H02B13/025—Safety arrangements, e.g. in case of excessive pressure or fire due to electrical defect
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
    • H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
    • H02B1/26—Casings; Parts thereof or accessories therefor
    • H02B1/28—Casings; Parts thereof or accessories therefor dustproof, splashproof, drip-proof, waterproof or flameproof
    • 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
    • H02B13/0358—Connections to in or out conductors

Definitions

  • the invention relates to a fully insulated waterproof switch cabinet
  • Patent No. [02257628. 2] discloses a utility model of sulphur hexafluoride gas insulated metal-enclosed switchgear, which is constructed by a circuit breaker with a three-position switch installed in an inflatable box filled with sulfur hexafluoride gas.
  • the air box is mounted on the base of the cabinet by the airtight outer taper, the bus connector and the loop, and the mechanism and the control room of the cabinet are mounted on the air box.
  • the invention is only 60% of the volume of the air-insulated switchgear, the installation space is reduced, and the live parts of the primary circuit are not affected by the external environment, but the operating mechanism of the switch and the secondary control protection system (integrated digital control and protection device) ) It is placed in the atmosphere and is easily affected by the environment. Once it is immersed in water, it cannot continue to operate. At the same time, sulfur hexafluoride produces a variety of toxic and corrosive gases under the action of corona, spark and arc discharge, which will cause certain pollution to the environment. , and the components are not easy to be repaired after fixed installation. Summary of the invention:
  • the object of the present invention is to provide a fully insulated waterproof switchgear, which is safe, reliable and environmentally friendly, and has a simple and compact structure, small size, easy maintenance, and short-term water immersion operation.
  • the fully insulated waterproof switch cabinet of the present invention comprises a cabinet body, wherein the cabinet body is provided with a busbar room, a circuit breaker chamber and a cable compartment, wherein: the circuit breaker chamber is provided with a movable moving contact on the guide rail
  • the circuit breaker is further provided with an isolated static contact, wherein the isolated static contact comprises a busbar end isolation static contact and a cable end isolation static contact, and the busbar end isolating the static contact and the deep Connected to the branch busbar connector of the circuit breaker chamber, the cable end isolation static contact is connected with the cable inner connector deep into the circuit breaker chamber, the circuit breaker chamber is completely airtight, and has an openable gas Closed sealing board.
  • the air-insulated central switchgear cabinet is retained, the removable circuit breaker is assembled, the circuit breaker is exchanged, and the other components in the cabinet are repaired and replaced; and the central cabinet is overcome. It is vulnerable to the dangers of condensation and pollution in the environment.
  • FIG. 1 is a schematic structural view of an embodiment of the present invention. (Removed the left side view of the left side panel of the cabinet)
  • the fully insulated waterproof switchgear of the present invention comprises a cabinet body, wherein the cabinet body is provided with a busbar compartment 1, a circuit breaker compartment 2 and a cable compartment 3, wherein the circuit breaker compartment 2 is provided with a rail 19 a movable circuit breaker 6 for isolating the movable contact 4, wherein the circuit breaker chamber 2 is further provided with an isolation static contact, wherein the isolated static contact comprises a busbar end isolation static contact 7 and a cable end isolation static contact 8
  • the busbar end isolation static contact 7 is connected to the branch busbar inner joint 9 deep into the circuit breaker chamber, and the cable end isolation static contact 8 is connected to the cable inner joint 10 deep into the circuit breaker chamber,
  • the circuit breaker chamber 2 is completely airtight, and is provided with an airtight sealing plate 11 that can be opened, and the airtight sealing plate 11 is opened, which can be The mobile circuit breaker 6 is moved outside the switch cabinet.
  • the driving manual handle 12 of the mobile circuit breaker running mechanism and the manual control handle 13 of the circuit breaker arc extinguishing chamber operating mechanism 5 respectively extend out of the circuit breaker.
  • the hand-operated hand-operated handle 12 mobile circuit breaker 6 can be moved on the guide rail 19 to realize the meshing or separating of the isolated moving contact 4 and the isolated static contact 7, 8 to complete the isolation of the isolation fracture in the primary load circuit of the switchgear or
  • the hand-driven hand-operated handle 13 realizes the manual energy storage of the circuit breaker arc extinguishing chamber operating mechanism 5 or triggers the operating mechanism 5 to drive the arc-extinguishing chamber to close and open, completing the switch break in the primary load circuit of the switchgear cabinet.
  • the circuit breaker chamber 2 is provided with a cable grounding switch 16 located beside the cable end isolation static contact 8, driving the cable grounding switch 16, and the moving contact is closed to the cable end isolation static contact 8,
  • the grounding of the cable 20 is achieved by the cable inner joint 10 connected thereto, and the operating handle 17 of the cable earthing switch 16 extends out of the circuit breaker chamber 2.
  • the above-mentioned mobile circuit breaker 6 is a combination of a vacuum circuit breaker, a vacuum load switch, a vacuum contactor or a vacuum load switch and a fuse.
  • the waterproof main busbar 18 connected to the branch busbar inner joint 9 is disposed in the busbar compartment 1 below the circuit breaker compartment 2, and the waterproof main busbar 18 runs through the cabinet.
  • the two sides of the switch cabinet are extended; the cable 20 is erected in the cable compartment 3 behind the circuit breaker chamber 2, the cable 20 is a waterproof cable, and the branch busbar jacket in the cable or circuit breaker chamber is provided with a current transformer 14
  • the current transformer 14 is connected to an integrated digital control and protection device 15 for controlling the operation of the circuit breaker operating mechanism 5.
  • the integrated digital control and protection device 15 is provided in the circuit breaker chamber 2 described.
  • the above-mentioned circuit breaker chamber is filled with an insulating pressure gas.

Abstract

A full-insulative waterproof switch cabinet comprises a cabinet body. A busbar chamber (1), a breaker chamber (2), and a cable chamber (3) are provided in the cabinet body. A movable breaker (6) with an isolated moving contactor (4) positioned on a guide rail (19) is provided in the breaker chamber (2). An isolated static contactor is also provided in the breaker chamber (2). The isolated static contactor includes a busbar end isolated static contactor (7) and a cable end isolated static contactor (8). The busbar end isolated static contactor (7) is connected with a branch busbar inner contactor (9) deep-going in the breaker chamber. The cable end isolated static contactor (8) is connected with a cable inner contactor (10) deep-going in the breaker chamber. The breaker chamber is fully airproof and has an airproof enclosed plate (11) that can be open.

Description

全绝缘防水开关柜 技术领域：  Fully insulated waterproof switch cabinet Technical Field:
本发明涉及一种全绝缘防水开关柜  The invention relates to a fully insulated waterproof switch cabinet
背景技术： Background technique:
专利号为【02257628. 2】公开的一种实用新型的六氟化硫气体绝缘金属 封闭开关设备，其结构是带有三工位开关的断路器安装在充有六氟化硫气体 的充气箱体中， 通过具有气密性的电缆外锥头、母线连接器和回路接通， 充 气箱体安装在柜体的底座上， 柜体的机构和控制室安装在充气箱体上。该发 明虽然体积仅为空气绝缘开关设备的 60 %，减小了安装空间，一次主回路带 电部件不受外界环境影响， 但开关的操作机构与二次控制保护系统（集成式 数字控制与保护装置）置于大气中， 易受环境影响， 一旦被水浸没不能持续 运行； 同时六氟化硫在电暈、火花及电弧放电作用下产生多种有毒、腐蚀性 气体， 对环境会造成一定的污染， 且元器件固定安装后不易于进行检修。 发明内容：  Patent No. [02257628. 2] discloses a utility model of sulphur hexafluoride gas insulated metal-enclosed switchgear, which is constructed by a circuit breaker with a three-position switch installed in an inflatable box filled with sulfur hexafluoride gas. The air box is mounted on the base of the cabinet by the airtight outer taper, the bus connector and the loop, and the mechanism and the control room of the cabinet are mounted on the air box. Although the invention is only 60% of the volume of the air-insulated switchgear, the installation space is reduced, and the live parts of the primary circuit are not affected by the external environment, but the operating mechanism of the switch and the secondary control protection system (integrated digital control and protection device) ) It is placed in the atmosphere and is easily affected by the environment. Once it is immersed in water, it cannot continue to operate. At the same time, sulfur hexafluoride produces a variety of toxic and corrosive gases under the action of corona, spark and arc discharge, which will cause certain pollution to the environment. , and the components are not easy to be repaired after fixed installation. Summary of the invention:
本发明的目的是提供一种全绝缘防水开关柜， 该全绝缘防水开关柜不仅 安全可靠环保， 而且结构简单紧凑， 体积小， 易于检修， 短期内水浸没可持 续运行  The object of the present invention is to provide a fully insulated waterproof switchgear, which is safe, reliable and environmentally friendly, and has a simple and compact structure, small size, easy maintenance, and short-term water immersion operation.
本发明的全绝缘防水开关柜， 包括柜体， 柜体内设有母线室、 断路器室 和电缆室， 其特征在于： 所述的断路器室内设有位于导轨上的具有隔离动触 头的移动式断路器， 所述断路器室内还设有隔离静触头， 所述的隔离静触头 包括母线端隔离静触头和电缆端隔离静触头，所述的母线端隔离静触头与深 入断路器室的分支母线内接头相连接，所述的电缆端隔离静触头与深入断路 器室的电缆内接头相连接， 所述的断路器室完全气密， 并设有可打开的气密 性封板。 The fully insulated waterproof switch cabinet of the present invention comprises a cabinet body, wherein the cabinet body is provided with a busbar room, a circuit breaker chamber and a cable compartment, wherein: the circuit breaker chamber is provided with a movable moving contact on the guide rail The circuit breaker is further provided with an isolated static contact, wherein the isolated static contact comprises a busbar end isolation static contact and a cable end isolation static contact, and the busbar end isolating the static contact and the deep Connected to the branch busbar connector of the circuit breaker chamber, the cable end isolation static contact is connected with the cable inner connector deep into the circuit breaker chamber, the circuit breaker chamber is completely airtight, and has an openable gas Closed sealing board.
本发明的显著特点： 一方面保留了空气绝缘的中置式开关柜， 装配了可 移开的断路器， 实现断路器互换， 与柜内其它元器件的检修、 更换； 又克服 了中置柜易受环境中凝露、 污秽等危害的缺点。  The remarkable features of the invention: On the one hand, the air-insulated central switchgear cabinet is retained, the removable circuit breaker is assembled, the circuit breaker is exchanged, and the other components in the cabinet are repaired and replaced; and the central cabinet is overcome. It is vulnerable to the dangers of condensation and pollution in the environment.
另一方面，不仅保留了充气柜中一次主回路元器件不受环境影响的优点， 并将断路器的操作机构与集成式数字控制与保护装置置于密封气室内，实现 了对它们的防护； 又克服了焊接的密封气室内元器件不可维修、更换和需充 六氟化硫压力气体的缺点， 大气压下密封气室内充普通气体即可实现小型 化。  On the other hand, not only the advantages of one primary circuit component in the inflator cabinet are not affected by the environment, but also the operating mechanism of the circuit breaker and the integrated digital control and protection device are placed in the sealed air chamber to achieve protection against them; Moreover, it overcomes the shortcomings that the sealed sealed gas indoor components can not be repaired, replaced and need to be filled with sulfur hexafluoride pressure gas, and the sealed gas chamber can be charged with ordinary gas under atmospheric pressure to achieve miniaturization.
附图说明： BRIEF DESCRIPTION OF THE DRAWINGS:
图 1是本发明实施例的结构示意图。 （移除了柜体左侧板的左侧局部剖 视图）  1 is a schematic structural view of an embodiment of the present invention. (Removed the left side view of the left side panel of the cabinet)
具体实施方式： detailed description:
本发明的全绝缘防水开关柜， 包括柜体， 柜体内设有母线室 1、 断路器 室 2和电缆室 3，其特征在于：所述的断路器室 2内设有位于导轨 19上的具 有隔离动触头 4的移动式断路器 6， 所述断路器室 2内还设有隔离静触头， 所述的隔离静触头包括母线端隔离静触头 7和电缆端隔离静触头 8， 所述的 母线端隔离静触头 7与深入断路器室的分支母线内接头 9相连接，所述的电 缆端隔离静触头 8与深入断路器室的电缆内接头 10相连接， 所述的断路器 室 2完全气密， 并设有可打开的气密性封板 11， 打开气密性封板 11， 可将 移动式断路器 6移至开关柜外。 The fully insulated waterproof switchgear of the present invention comprises a cabinet body, wherein the cabinet body is provided with a busbar compartment 1, a circuit breaker compartment 2 and a cable compartment 3, wherein the circuit breaker compartment 2 is provided with a rail 19 a movable circuit breaker 6 for isolating the movable contact 4, wherein the circuit breaker chamber 2 is further provided with an isolation static contact, wherein the isolated static contact comprises a busbar end isolation static contact 7 and a cable end isolation static contact 8 The busbar end isolation static contact 7 is connected to the branch busbar inner joint 9 deep into the circuit breaker chamber, and the cable end isolation static contact 8 is connected to the cable inner joint 10 deep into the circuit breaker chamber, The circuit breaker chamber 2 is completely airtight, and is provided with an airtight sealing plate 11 that can be opened, and the airtight sealing plate 11 is opened, which can be The mobile circuit breaker 6 is moved outside the switch cabinet.
为了使该全绝缘防水开关柜结构更加合理，所述的移动式断路器行走机 构的驱动手控转柄 12和断路器灭弧室操作机构 5的手控转柄 13分别伸出断 路器室外， 手力驱动手控转柄 12移动式断路器 6可在导轨 19上移动， 实现 隔离动触头 4与隔离静触头 7、 8啮合或分开， 完成开关柜一次负荷回路中 隔离断口的通或断； 手力驱动手控转柄 13， 实现断路器灭弧室操作机构 5 的手动储能或触发了操作机构 5带动灭弧室合闸、分闸， 完成开关柜一次负 荷回路中开关断口的通或断；上述的断路器室 2内设有位于电缆端隔离静触 头 8旁的电缆接地开关 16， 驱动电缆接地开关 16， 其动触头合闸到电缆端 隔离静触头 8上， 再通过与之相连接的电缆内接头 10， 实现了电缆 20的接 地， 电缆接地开关 16的操作转柄 17伸出断路器室 2外。  In order to make the structure of the fully insulated waterproof switchgear more reasonable, the driving manual handle 12 of the mobile circuit breaker running mechanism and the manual control handle 13 of the circuit breaker arc extinguishing chamber operating mechanism 5 respectively extend out of the circuit breaker. The hand-operated hand-operated handle 12 mobile circuit breaker 6 can be moved on the guide rail 19 to realize the meshing or separating of the isolated moving contact 4 and the isolated static contact 7, 8 to complete the isolation of the isolation fracture in the primary load circuit of the switchgear or The hand-driven hand-operated handle 13 realizes the manual energy storage of the circuit breaker arc extinguishing chamber operating mechanism 5 or triggers the operating mechanism 5 to drive the arc-extinguishing chamber to close and open, completing the switch break in the primary load circuit of the switchgear cabinet. Turning on or off; the circuit breaker chamber 2 is provided with a cable grounding switch 16 located beside the cable end isolation static contact 8, driving the cable grounding switch 16, and the moving contact is closed to the cable end isolation static contact 8, The grounding of the cable 20 is achieved by the cable inner joint 10 connected thereto, and the operating handle 17 of the cable earthing switch 16 extends out of the circuit breaker chamber 2.
上述的移动式断路器 6是真空断路器、 真空负荷开关、 真空接触器或真 空负荷开关与熔断器的组合电器。  The above-mentioned mobile circuit breaker 6 is a combination of a vacuum circuit breaker, a vacuum load switch, a vacuum contactor or a vacuum load switch and a fuse.
为了提高该全绝缘防水开关柜的安全防护等级， 与所述的分支母线内接 头 9相连的防水主母线 18设置在位于断路器室 2下方的母线室 1内， 防水 主母线 18贯穿柜体， 实现开关柜两侧扩展； 电缆 20竖设于断路器室 2后的 电缆室 3内， 所述的电缆 20为防水电缆， 所述的电缆或断路器室内的分支 母线外套设有电流互感器 14， 所述电流互感器 14与用以控制断路器操作机 构 5工作的集成式数字控制与保护装置 15相连接。  In order to improve the safety protection level of the fully insulated waterproof switchgear, the waterproof main busbar 18 connected to the branch busbar inner joint 9 is disposed in the busbar compartment 1 below the circuit breaker compartment 2, and the waterproof main busbar 18 runs through the cabinet. The two sides of the switch cabinet are extended; the cable 20 is erected in the cable compartment 3 behind the circuit breaker chamber 2, the cable 20 is a waterproof cable, and the branch busbar jacket in the cable or circuit breaker chamber is provided with a current transformer 14 The current transformer 14 is connected to an integrated digital control and protection device 15 for controlling the operation of the circuit breaker operating mechanism 5.
为了提高该全绝缘防水开关柜的安全防护等级， 所述的集成式数字控制 与保护装置 15设于所述的断路器室 2内。  In order to increase the safety rating of the fully insulated waterproof switchgear, the integrated digital control and protection device 15 is provided in the circuit breaker chamber 2 described.
为了提高电压等级， 上述的断路器室内充满绝缘压力气体。  In order to increase the voltage level, the above-mentioned circuit breaker chamber is filled with an insulating pressure gas.

Claims

权利要求书  Claim
1、 一种全绝缘防水开关柜， 包括柜体， 柜体内设有母线室 （1 )、 断 路器室（2)和电缆室（3)， 其特征在于： 所述的断路器室（2) 内设 有位于导轨（19)上的具有隔离动触头（4)的移动式断路器 (6) , 所 述断路器室 （2) 内还设有隔离静触头， 所述的隔离静触头包括母线 端隔离静触头 （7)和电缆端隔离静触头 （8)， 所述的母线端隔离静 触头（7)与深入断路器室的分支母线内接头（9)相连接， 所述的电 缆端隔离静触头 （8) 与深入断路器室的电缆内接头相连接 (10)， 所 述的断路器室完全气密， 并设有可打开的气密性封板 （11)。 1. A fully insulated waterproof switchgear, comprising a cabinet body, wherein the cabinet body is provided with a busbar room (1), a circuit breaker room (2) and a cable room (3), characterized in that: the circuit breaker room (2) There is a movable circuit breaker (6) with an isolated moving contact (4) on the guide rail (19), and an isolation static contact is also arranged in the circuit breaker chamber (2), and the isolation static contact The head includes a busbar end isolation static contact (7) and a cable end isolation static contact (8), and the busbar end isolation static contact (7) is connected to a branch busbar inner connector (9) deep into the circuit breaker chamber, The cable end isolation static contact (8) is connected (10) to the cable inner joint of the circuit breaker chamber, and the circuit breaker chamber is completely airtight and has an airtight sealing plate that can be opened (11). ).
2、根据权利要求 1所述的全绝缘防水开关柜， 其特征在于： 所述 的移动式断路器行走机构的手控转柄（12)和断路器灭弧室操作机构 2. The fully insulated waterproof switchgear according to claim 1, wherein: the manual control handle (12) of the mobile circuit breaker running mechanism and the circuit breaker interrupter operating mechanism
(5) 的手控转柄 （13) 分别伸出断路器室外。 (5) The hand-operated handles (13) extend out of the circuit breaker, respectively.
3、根据权利要求 1所述的全绝缘防水开关柜， 其特征在于： 所述 的移动式断路器（6) 是真空断路器、 真空负荷开关、 真空接触器或 真空负荷开关与熔断器的组合电器。  3. The fully insulated waterproof switchgear according to claim 1, wherein: said mobile circuit breaker (6) is a combination of a vacuum circuit breaker, a vacuum load switch, a vacuum contactor or a vacuum load switch and a fuse. Electrical appliances.
4、 根据权利要求 1、 2或 3所述的全绝缘防水开关柜， 其特征在 于： 与所述的分支母线内接头 （9) 相连的防水主母线 （18) 设置在 位于断路器室下方的母线室 （1 ) 内， 防水主母线 （18) 贯穿柜体， 实现开关柜两侧扩展。  4. The fully insulated waterproof switchgear according to claim 1, 2 or 3, characterized in that: the waterproof main busbar (18) connected to the branch busbar inner joint (9) is arranged below the circuit breaker compartment. In the busbar room (1), the waterproof main busbar (18) runs through the cabinet to expand the two sides of the switchgear.
5、根据权利要求 4所述的全绝缘防水开关柜， 其特征在于： 所述 的电缆竖设于断路器室后的电缆室 （3) 内， 所述的电缆 （20) 为防 水电缆， 所述的电缆或断路器室内的分支母线外套设有电流互感器5. The fully insulated waterproof switchgear according to claim 4, wherein: said cable is erected in a cable compartment (3) behind the circuit breaker chamber, said cable (20) being protected a water cable, the branch busbar jacket in the cable or circuit breaker chamber is provided with a current transformer
( 14)， 所述电流互感器（14)与用以控制断路器操作机构工作的集 成式数字控制与保护装置 （15)相连接。' (14) The current transformer (14) is connected to an integrated digital control and protection device (15) for controlling the operation of the circuit breaker operating mechanism. '
6、根据权利要求 5所述的全绝缘防水开关柜， 其特征在于： 所述 的断路器室内设有位于电缆端隔离静触头旁的电缆接地开关，电缆接 地开关的操作转柄伸出断路器室外。  The fully insulated waterproof switchgear according to claim 5, wherein: the circuit breaker is provided with a cable grounding switch located beside the static contact of the cable end, and the operation of the cable grounding switch is extended and broken. Outdoor.
7、根据权利要求 6所述的全绝缘防水开关柜， 其特征在于： 所述 的集成式数字控制与保护装置 （15) 设于所述的断路器室（2) 内。  The fully insulated waterproof switchgear cabinet according to claim 6, wherein: said integrated digital control and protection device (15) is disposed in said circuit breaker chamber (2).
8、根据权利要求 7所述的全绝缘防水开关柜， 其特征在于： 所述 的断路器室内充满绝缘压力气体。  The fully insulated waterproof switchgear cabinet according to claim 7, wherein: said circuit breaker chamber is filled with an insulating pressure gas.
PCT/CN2007/003008 2006-12-30 2007-10-22 A full-insulative waterproof switch cabinet WO2008080288A1 (en)

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CN102684102A (en) * 2012-05-14 2012-09-19 北京合锐赛尔电力科技有限公司 Seven-loop load switch inflatable cabinet
CN108574224A (en) * 2017-12-10 2018-09-25 人民电器集团上海有限公司 A kind of indoor armored AC metal closed switch cabinet
CN108695758A (en) * 2018-06-15 2018-10-23 湖州泰灵电力设备有限公司 A kind of indoor metal armouring withdraw type switch cabinet
CN109936056A (en) * 2019-03-29 2019-06-25 广州市雷斯盾电气科技发展有限公司 A kind of anti-electricity-theft electric cabinet of lightning protection
CN111934234A (en) * 2020-08-10 2020-11-13 广东明阳电气有限公司 Inflatable cabinet of marine boosting system
CN117424123A (en) * 2023-12-19 2024-01-19 泉州七星电气有限公司 10kV can bubble looped netowrk formula circuit breaker cabinet

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CN2311089Y (en) * 1997-08-12 1999-03-17 张承辉 Mine drawer type high-voltage vacuum switch cubicle
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Publication number Priority date Publication date Assignee Title
CN102684102A (en) * 2012-05-14 2012-09-19 北京合锐赛尔电力科技有限公司 Seven-loop load switch inflatable cabinet
CN108574224A (en) * 2017-12-10 2018-09-25 人民电器集团上海有限公司 A kind of indoor armored AC metal closed switch cabinet
CN108695758A (en) * 2018-06-15 2018-10-23 湖州泰灵电力设备有限公司 A kind of indoor metal armouring withdraw type switch cabinet
CN109936056A (en) * 2019-03-29 2019-06-25 广州市雷斯盾电气科技发展有限公司 A kind of anti-electricity-theft electric cabinet of lightning protection
CN109936056B (en) * 2019-03-29 2022-04-15 广州市雷斯盾电气科技发展有限公司 Lightning protection electricity stealing prevention electric cabinet
CN111934234A (en) * 2020-08-10 2020-11-13 广东明阳电气有限公司 Inflatable cabinet of marine boosting system
CN117424123A (en) * 2023-12-19 2024-01-19 泉州七星电气有限公司 10kV can bubble looped netowrk formula circuit breaker cabinet

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