WO2020155946A1 - 带有避雷器的开关柜手车及使用该手车的开关柜 - Google Patents

带有避雷器的开关柜手车及使用该手车的开关柜 Download PDF

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Publication number
WO2020155946A1
WO2020155946A1 PCT/CN2019/128087 CN2019128087W WO2020155946A1 WO 2020155946 A1 WO2020155946 A1 WO 2020155946A1 CN 2019128087 W CN2019128087 W CN 2019128087W WO 2020155946 A1 WO2020155946 A1 WO 2020155946A1
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WO
WIPO (PCT)
Prior art keywords
contact arm
handcart
arrester
lightning arrester
switchgear
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.)
Ceased
Application number
PCT/CN2019/128087
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English (en)
French (fr)
Inventor
李军浩
任建超
宋曙光
王焕
王韶辉
李铁
李海洋
张润堂
田宇
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Pinggao Group Co Ltd
Henan Pinggao Electric Co Ltd
State Grid Corp of China SGCC
Original Assignee
Pinggao Group Co Ltd
Henan Pinggao Electric Co Ltd
State Grid Corp of China SGCC
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Publication date
Application filed by Pinggao Group Co Ltd, Henan Pinggao Electric Co Ltd, State Grid Corp of China SGCC filed Critical Pinggao Group Co Ltd
Publication of WO2020155946A1 publication Critical patent/WO2020155946A1/zh
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
    • H02B11/00—Switchgear having carriage withdrawable for isolation
    • H02B11/12—Switchgear having carriage withdrawable for isolation with isolation by horizontal withdrawal
    • H02B11/167—Switchgear having carriage withdrawable for isolation with isolation by horizontal withdrawal truck type
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
    • H02B11/00—Switchgear having carriage withdrawable for isolation
    • H02B11/26—Arrangements of fuses, resistors, voltage arresters or the like
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G13/00—Installations of lightning conductors; Fastening thereof to supporting structure

Definitions

  • the invention relates to a switch cabinet handcart, in particular to a switch cabinet handcart with a lightning arrester and a switch cabinet using the handcart.
  • the general structure is for example a 12kV voltage transformer handcart disclosed by the Chinese Patent Authorized Announcement No. CN205921284U, including a frame , The rear side of the frame is provided with a handcart panel, and the front side of the handcart panel is provided with a lightning arrester, a contact arm and a fuse (ie, a fusion tube).
  • the handcart panel is provided with a lightning arrester counter observation hole.
  • the upper part of the frame is horizontally arranged with three insulators corresponding to the three-phase circuit.
  • a U-shaped bent plate is installed on the insulator, and the U-shaped bent plate is covered with an insulating cover, and the contact arms are passed through bolts.
  • the contact arm is covered with an insulating sheath and an insulating cover, the lightning arrester is arranged under the insulator and connected to the contact arm, and the fuse is connected to the U-shaped bent plate and connected to the bottom of the handcart through the copper bar Fixed voltage transformer connection.
  • Chinese patents CN207926043U and CN208078498U also disclose similar structures, and the fuse in CN208078498U is installed in the sleeve of the contact arm.
  • the above structure installs the voltage transformer, lightning arrester, and fuse on the handcart, which reduces the volume of the cabinet and facilitates the overhaul and maintenance of the switch cabinet.
  • the lightning arrester and the contact arm on the existing handcart are arranged side by side, and the space is relatively crowded. In order to ensure the creepage distance and ensure the insulation performance, the volume of the handcart needs to be increased and the structure is not compact enough.
  • the purpose of the present invention is to provide a switch cabinet handcart with a lightning arrester to solve the problem that the existing switch cabinet handcart is not compact enough.
  • the embodiment of the present invention also provides a switch cabinet using the switch cabinet handcart, which solves the problem of tight internal space caused by the existing switch cabinet due to the insufficient compact structure of the handcart.
  • the technical scheme adopted by the switchgear handcart with lightning arrester in the embodiment of the present invention is as follows.
  • the switch cabinet handcart with lightning arrester includes a frame, the rear side of the frame is provided with a handcart panel, the frame is provided with a contact arm on the front side of the handcart panel, the switch cabinet handcart also includes a contact arm The rear end of the lightning arrester is fixed on the frame, and the rear end of the contact arm is fixed on the front end of the arrester.
  • the embodiment of the present invention adopts the above technical solution, and the contact arm is directly mounted on the frame through the lightning arrester, which can save more space in the radial direction of the contact arm. Compared with the prior art, the structure is more compact, which is beneficial to reduce Small handcart volume.
  • the arrester includes a valve plate group formed by stacking valve plates back and forth, and conductive connecting pieces arranged at the front and rear ends of the valve plate group, and the valve plate group and the conductive connecting pieces are molded by epoxy resin.
  • the arrester adopts epoxy resin casting molding, which is beneficial to the miniaturization of the arrester and can better meet the air clearance of the three-phase arrester.
  • the conductive connector at the front end of the arrester is provided with a threaded hole
  • the rear end of the contact arm is provided with a screw and is fixed in the threaded hole by the screw.
  • the fixing method is simple in structure and convenient to install.
  • the conductive connector at the front end of the arrester is provided with a protective cover for shielding the connection part of the arrester and the contact arm.
  • the setting of the protective cover can improve the insulation performance of the connection part of the contact arm and the arrester, and improve the reliability of the switchgear trolley.
  • the switchgear handcart further includes a fuse for protecting the voltage transformer, the fuse is arranged in the contact arm, and the outer circumference of the contact arm is provided with a slot for disassembling and disassembling the fuse, A detachable cover is provided on the slot.
  • a switch cabinet includes a handcart room and a switch cabinet handcart with a lightning arrester.
  • the switch cabinet handcart includes a frame. The rear side of the frame is provided with a handcart panel, and the frame is arranged on the front side of the handcart panel There is a contact arm, the switch cabinet handcart further includes a lightning arrester connected with the contact arm, the rear end of the lightning arrester is fixed on the frame, and the rear end of the contact arm is fixed to the front end of the arrester.
  • the contact arm is directly mounted on the frame through the lightning arrester, which can save more space in the radial direction of the contact arm.
  • the structure is more compact, which is beneficial to reduce the volume of the handcart, thereby solving the existing problem.
  • the internal space of the switch cabinet is tight due to the insufficient compact structure of the handcart.
  • the arrester includes a valve plate group formed by stacking valve plates back and forth, and conductive connecting pieces arranged at the front and rear ends of the valve plate group, and the valve plate group and the conductive connecting pieces are molded by epoxy resin.
  • the arrester adopts epoxy resin casting molding, which is beneficial to the miniaturization of the arrester and can better meet the air clearance of the three-phase arrester.
  • the conductive connector at the front end of the arrester is provided with a threaded hole
  • the rear end of the contact arm is provided with a screw and is fixed in the threaded hole by the screw.
  • the fixing method has a simple structure and is convenient to install.
  • the conductive connector at the front end of the arrester is provided with a protective cover for shielding the connection part of the arrester and the contact arm.
  • the setting of the protective cover can improve the insulation performance of the connection part of the contact arm and the arrester, and improve the reliability of the switchgear trolley.
  • the switchgear handcart further includes a fuse for protecting the voltage transformer, the fuse is arranged in the contact arm, and the outer circumference of the contact arm is provided with a slot for disassembling and disassembling the fuse, A detachable cover is provided on the slot.
  • FIG. 1 is a schematic structural diagram of Embodiment 1 of a switchgear handcart with a lightning arrester in an embodiment of the present invention
  • FIG. 2 is a schematic diagram of the structure of the arrester in Figure 1;
  • Figure 3 is a schematic diagram of the installation structure of the contact arm and the fuse in Figure 1;
  • Figure 4 is a schematic diagram of the installation structure of the arrester counter in Figure 1;
  • Figure 5 is a left side view of Figure 4.
  • Fig. 6 is a schematic structural diagram of a second embodiment of a switchgear handcart with a lightning arrester in an embodiment of the present invention
  • Fig. 7 is a schematic diagram of the switch cabinet handcart in Fig. 6 from another perspective, the frame only retains the handcart panel.
  • FIG. 1 to 5 An example of the switch cabinet handcart with lightning arrester in the embodiment of the present invention is shown in Figures 1 to 5, including a frame 10, a handcart panel 11 is provided on the rear side of the frame 10, and the frame 10 is placed on the handcart The front side of the panel is provided with a lightning arrester 20, a contact arm 30 and a voltage transformer 50. The lightning arrester 20 and the contact arm 30 are arranged on the top of the frame 10, and the voltage transformer 50 is arranged on the bottom of the frame 10.
  • the structure of the arrester 20 is shown in Figure 2, which is an epoxy resin cast-type arrester 20, which includes a valve plate made of zinc oxide material.
  • the valve plates are stacked in front and back to form a valve plate group 21.
  • the two ends are respectively provided with conductive connecting pieces, which are respectively the front conductive connecting piece 22 and the rear conductive connecting piece 23.
  • the valve plate group 21 and the conductive connecting piece are poured with epoxy resin as the insulating layer 24, and the insulating layer 24 is provided with an umbrella
  • the skirt is beneficial to increase the creepage distance, reduce the size, and can better avoid the situation that the three-phase arrester 20 does not meet the requirements of the clear air distance between phases.
  • the front conductive connecting piece 22 and the rear conductive connecting piece 23 are both provided with threaded holes 25.
  • the lightning arrester 20 is fixed on the frame 10 through the rear conductive connecting piece 23 and screws.
  • the rear end of the contact arm 30 is provided with a screw rod and passes The screw is fixed in the threaded hole 25 at the front end to form a coaxial structure with the arrester 20.
  • the front conductive connector 22 is also provided with a protective cover 26 for shielding the connection part of the contact arm 30.
  • the terminal of the voltage transformer 50 on the side close to the handcart panel 11 is connected to the protective cover 26 through the connecting copper bar 40 so as to contact
  • the arm 30 is turned on, and the terminal on the side away from the handcart panel 11 is grounded through the frame 10 through a common grounding copper bar.
  • the structure of the contact arm 30 is shown in FIG. 3, including a contact arm main body 31, a conductive rod 33 and a plum contact 32 arranged at the front end of the contact arm main body 31.
  • the contact arm main body 31 is provided with an inner cavity for accommodating the fuse 60,
  • the conductive rod 33 is connected with the rear end of the inner cavity and the rear end extends out of the contact arm main body 31 to form a screw for connecting with the arrester 20.
  • the fuse 60 can be inserted from the front end opening of the contact arm main body 31.
  • the installation structure of the arrester counter 27 is shown in Fig. 4 and Fig. 5, which adopts an embedded structure to be installed at the installation hole provided on the handcart panel 11, which is convenient for observation and has a beautiful structure.
  • the arrester counter 27 is connected to the rear end of the arrester 20, and it can count when used.
  • the arrester 20 is molded with epoxy resin, and the contact arm 30 is connected to the front end of the arrester 20 through the conductive rod 33.
  • the lightning arrester 20 can also be a lightning arrester in the prior art, and the contact arm 30 can also be connected to the arrester 20 in other ways, for example, through a threaded structure provided on the contact arm 30 for fixing, and then using the method The blue structure is fixed.
  • the lightning arrester 20 can also be fixed to the frame 10 in other ways, for example, by a flange structure.
  • the fuse 60 and the contact arm 30 can also be arranged separately in the manner in the prior art.
  • the above-mentioned structure of connecting the contact arm 30 to the arrester 20 can also be adopted for the switch cabinet in which the voltage transformer is arranged in the cable room.
  • the embodiment of the switch cabinet in the embodiment of the present invention includes a handcart room and a switch cabinet handcart with a lightning arrester.
  • the structure of the switch cabinet handcart is the same as the switch cabinet handcart in any embodiment of the switch cabinet handcart with a lightning arrester.
  • the structure of the car is the same and will not be described in detail here.
  • the second embodiment of the switchgear handcart with lightning arrester in the embodiment of the present invention is shown in Figures 6 and 7.
  • the terminal of the voltage transformer 250 on the side far from the handcart panel 211 and the contact arm 230 pass through
  • the connecting copper bar 240 is turned on, and the terminal on the side close to the handcart panel 211 is grounded through the common grounding copper bar 251.
  • the lightning arrester 220 is not provided with a protective cover, and the outer peripheral surface of the contact arm 230 is provided with a detachable cover 231. After the detachable cover 231 is opened, the fuse can be taken out or taken out in the radial direction of the contact arm 230.
  • An observation window 232 is provided on the detachable cover 231, and the observation window 232 is made of glass, which can ensure safety and facilitate observation of the fuse.
  • the detachable cover 231 can be connected to the main body of the contact arm with screws, buckles, slide grooves, etc.
  • the detachable cover is used to facilitate fuse replacement, and can seal the fuse as an explosive element, which can reduce the failure rate And avoid spreading to other components in the event of a failure, which is conducive to improving operational reliability.
  • the observation window 232 can also be replaced with other materials, such as resin.

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Gas-Insulated Switchgears (AREA)

Abstract

一种带有避雷器的开关柜手车及使用该手车的开关柜。其中带有避雷器的开关柜手车包括车架（10），车架（10）的后侧设有手车面板（11），车架（10）上于手车面板（11）的前侧设置有触臂（30），开关柜手车还包括与触臂（30）连接的避雷器（20），避雷器（20）的后端固定在车架（10）上，触臂（30）的后端固定在避雷器（20）的前端。开关柜包括手车室和带有避雷器的开关柜手车。采用上述方案，触臂（30）通过避雷器（20）直接安装到车架（10）上能够在触臂（30）径向上节省出较多的空间，相对于现有技术结构更为紧凑，有利于减小手车体积。

Description

带有避雷器的开关柜手车及使用该手车的开关柜
相关申请的交叉引用
本申请基于申请号为201910101351.4、申请日为2019年01月31日的中国专利申请提出，并要求该中国专利申请的优先权，该中国专利申请的全部内容在此引入本申请作为参考。
技术领域
本发明涉及开关柜手车，特别涉及带有避雷器的开关柜手车及使用该手车的开关柜。
背景技术
目前，国内、外空气绝缘高压开关柜普遍采用将电压互感器(PT)、避雷器安装于电缆室，保护电压互感器用的熔断器做成熔断器手车安装于手车上的布置方式。但是，电压互感器固定安装于电缆室，运维检修不方便，避雷器固定安装于电缆室也存在检修人员触电的安全隐患，结构也不够紧凑。现有技术中也有将电压互感器安装于电缆室，避雷器、熔断器安装于手车上的技术方案，使用中仍存在不便之处。并且，电压互感器、避雷器或熔断器出现故障时，现有的布置方式需要停电维修。
现有技术中还有将电压互感器、避雷器、熔断器均安装于手车上的方案，其大体结构例如授权公告号为CN205921284U的中国专利公开的一种12kV电压互感器手车，包括车架，车架的后侧设有手车面板，手车面板的前侧设有避雷器、触臂和熔断器(即熔管)。其中手车面板上开设有避雷器计数器观察孔，车架的上部水平排列有三个与三相电路分别对应的绝缘子，绝缘子上安装U形弯板，U形弯板外套有绝缘罩，触臂通过螺栓直接固定 在U形弯板上，触臂外套有绝缘护套和绝缘罩，避雷器设置在绝缘子下方并与触臂相连，熔断器连接在U形弯板上，并通过连接铜排与手车底部固定的电压互感器连接。中国专利CN207926043U、CN208078498U也公开了类似结构，且CN208078498U中的熔断器安装在触臂的套筒内。
上述结构将电压互感器、避雷器、熔断器均安装于手车上，减小了柜体的体积，方便了开关柜的检修与维护。但是，现有的手车上的避雷器与触臂并列布置，空间较为拥挤，为了保证爬电距离、保证绝缘性能，需要增大手车体积，结构不够紧凑。
发明内容
本发明的目的是提供一种带有避雷器的开关柜手车，以解决现有的开关柜手车结构不够紧凑的问题。同时，本发明实施例还提供了一种使用该开关柜手车的开关柜，解决现有的开关柜由于手车结构不够紧凑而导致的内部空间紧张的问题。
本发明实施例中带有避雷器的开关柜手车采用的技术方案如下。
带有避雷器的开关柜手车，包括车架，车架的后侧设有手车面板，车架上于手车面板的前侧设置有触臂，所述开关柜手车还包括与触臂连接的避雷器，所述避雷器的后端固定在车架上，所述触臂的后端固定在避雷器的前端。
有益效果：本发明实施例采用上述技术方案，触臂通过避雷器直接安装到车架上，能够在触臂径向上节省出较多的空间，相对于现有技术，结构更为紧凑，有利于减小手车体积。
进一步地，所述避雷器包括由阀片前后层叠布置而形成的阀片组和设置在阀片组前后两端的导电连接件，所述阀片组和导电连接件通过环氧树脂浇注成型。
有益效果：避雷器采用环氧树脂浇注成型相对于现有技术中硅橡胶绝缘外套型氧化锌避雷器来说，有利于避雷器的小型化，能够更好地满足三相避雷器的空气净距。
进一步地，所述避雷器前端的导电连接件上设有螺纹孔，所述触臂的后端设有螺杆并通过螺杆固定在螺纹孔内。
有益效果：采用该固定方式结构简单，安装方便。
进一步地，所述避雷器前端的导电连接件上设有用于遮蔽避雷器与触臂的连接部位的防护罩。
有益效果：设置防护罩能够提高触臂与避雷器连接部位的绝缘性能，提高开关柜手车的可靠性。
进一步地，所述开关柜手车还包括用于保护电压互感器的熔断器，所述熔断器设置在触臂内，所述触臂的外周面上设有用于拆装熔断器的开槽，所述开槽上设有可拆封盖。
有益效果：采用上述方案能够便于熔断器的安装维护。
一种开关柜，包括手车室和带有避雷器的开关柜手车，开关柜手车，包括车架，车架的后侧设有手车面板，车架上于手车面板的前侧设置有触臂，所述开关柜手车还包括与触臂连接的避雷器，所述避雷器的后端固定在车架上，所述触臂的后端固定在避雷器的前端。
有益效果：触臂通过避雷器直接安装到车架上，能够在触臂径向上节省出较多的空间，相对于现有技术，结构更为紧凑，有利于减小手车体积，从而解决现有的开关柜由于手车结构不够紧凑而导致的内部空间紧张的问题。
进一步地，所述避雷器包括由阀片前后层叠布置而形成的阀片组和设置在阀片组前后两端的导电连接件，所述阀片组和导电连接件通过环氧树脂浇注成型。
有益效果：避雷器采用环氧树脂浇注成型相对于现有技术中硅橡胶绝缘外套型氧化锌避雷器来说，有利于避雷器的小型化，能够更好地满足三相避雷器的空气净距。
进一步地，所述避雷器前端的导电连接件上设有螺纹孔，所述触臂的后端设有螺杆并通过螺杆固定在螺纹孔内。
有益效果：固定方式结构简单，安装方便。
进一步地，所述避雷器前端的导电连接件上设有用于遮蔽避雷器与触臂的连接部位的防护罩。
有益效果：设置防护罩能够提高触臂与避雷器连接部位的绝缘性能，提高开关柜手车的可靠性。
进一步地，所述开关柜手车还包括用于保护电压互感器的熔断器，所述熔断器设置在触臂内，所述触臂的外周面上设有用于拆装熔断器的开槽，所述开槽上设有可拆封盖。
有益效果：能够便于熔断器的安装维护。
附图说明
图1是本发明实施例中带有避雷器的开关柜手车的实施例一的结构示意图；
图2是图1中避雷器的结构示意图；
图3是图1中触臂及熔断器的安装结构示意图；
图4是图1中避雷器计数器的安装结构示意图；
图5是图4的左视图；
图6是本发明实施例中带有避雷器的开关柜手车的实施例二的结构示意图；
图7是图6中开关柜手车的另一视角示意图，车架仅保留了手车面板。
具体实施方式
本发明实施例中带有避雷器的开关柜手车的一个实施例如图1至图5所示，包括车架10，车架10的后侧设有手车面板11，车架10上于手车面板的前侧设置有避雷器20、触臂30和电压互感器50，避雷器20、触臂30设置在车架10的顶部，电压互感器50设置在车架10的底部。
其中避雷器20的结构如图2所示，是一种环氧树脂浇注式避雷器20，包括氧化锌材料制成的阀片，阀片前后层叠布置而形成阀片组21，阀片组21的前后两端分别设有导电连接件，分别为前导电连接件22和后导电连接件23，阀片组21和导电连接件的外部浇注有环氧树脂作为绝缘层24，绝缘层24上设有伞裙，有利于增加爬电距离，减小尺寸，并能够较好地避免三相避雷器20相间不满足空气净距要求的情况。前导电连接件22和后导电连接件23上均设有螺纹孔25，避雷器20通过后导电连接件23及螺钉固定在车架10上，所述触臂30的后端设有螺杆，并通过螺杆固定在前端的螺纹孔25内而与避雷器20形成同轴结构。前导电连接件22上还设有用于遮蔽触臂30的连接部位的防护罩26，电压互感器50靠近手车面板11的一侧的端子通过连接铜排40连接到防护罩26上从而与触臂30导通，远离手车面板11的一侧的端子通过共同的接地铜排经车架10接地。
触臂30的结构如图3所示，包括触臂主体31、导电杆33和设置在触臂主体31前端的梅花触头32，触臂主体31内设有用于容纳熔断器60的内腔，导电杆33与内腔的后端相连且后端伸出触臂主体31而形成用于与避雷器20连接的螺杆，熔断器60可以从触臂主体31的前端开口装入。
避雷器计数器27的安装结构如图4、图5所示，采用嵌入式结构安装于手车面板11上设置的安装孔处，方便观察，结构美观。同时，避雷器计数器27与避雷器20的后端导通，使用时能够实现计数。
在上述实施例中，避雷器20采用环氧树脂浇注成型，并且触臂30通过导电杆33连接在避雷器20前端。在其他实施例中，避雷器20也可以采用现有技术中的避雷器，并且触臂30也可以通过其他方式与避雷器20相连，例如通过在触臂30上设置的螺纹结构进行固定，再如通过法兰结构进行固定。同样，避雷器20也可以通过其他形式固定到车架10上，例如通过法兰结构固定。另外，在其他实施例中熔断器60与触臂30还可以按照现有技术中的方式单独布置。再者，在其他实施例中，对于电压互感器设置在电缆室的开关柜，也可以采用上述将触臂30对接到避雷器20上的结构。
本发明实施例中开关柜的实施例包括手车室和带有避雷器的开关柜手车，开关柜手车的结构与上述带有避雷器的开关柜手车的任一实施例中的开关柜手车结构相同，此处不再具体说明。
本发明实施例中带有避雷器的开关柜手车的实施例二如图6、图7所示，本实施例中，电压互感器250远离手车面板211的一侧的端子与触臂230通过连接铜排240导通，靠近手车面板211的一侧的端子通过共同的接地铜排251接地。另外，本实施例中避雷器220上未设置防护罩，且触臂230的外周面上设有可拆封盖231，可拆封盖231打开后，可以将熔断器沿触臂230径向取出或装入，熔断器装入后，其前端和后端分别与触臂两端的梅花触头和导电杆导通。可拆封盖231上设有观察窗232，观察窗232采用玻璃制成，既能够保证安全，又便于观察熔断器的情况。可拆封盖231可以采用螺钉、卡扣、滑槽等方式连接在触臂主体上，采用可拆封盖便于更换熔断器，并且能够将作为易爆元件的熔断器封闭起来，能够减少故障率并避免发生故障时波及其他元件，有利于提高运行可靠性。在其他实施例中，观察窗232也可以替换为其他材质，例如树脂。

Claims (10)

  1. 带有避雷器的开关柜手车，包括车架，车架的后侧设有手车面板，车架上于手车面板的前侧设置有触臂，所述开关柜手车还包括与触臂连接的避雷器，所述避雷器的后端固定在车架上，所述触臂的后端固定在避雷器的前端。
  2. 根据权利要求1所述的带有避雷器的开关柜手车，所述避雷器包括由阀片前后层叠布置而形成的阀片组和设置在阀片组前后两端的导电连接件，所述阀片组和导电连接件通过环氧树脂浇注成型。
  3. 根据权利要求2所述的带有避雷器的开关柜手车，所述避雷器前端的导电连接件上设有螺纹孔，所述触臂的后端设有螺杆并通过螺杆固定在螺纹孔内。
  4. 根据权利要求2或3所述的带有避雷器的开关柜手车，所述避雷器前端的导电连接件上设有用于遮蔽避雷器与触臂的连接部位的防护罩。
  5. 根据权利要求1或2或3所述的带有避雷器的开关柜手车，所述开关柜手车还包括用于保护电压互感器的熔断器，所述熔断器设置在触臂内，所述触臂的外周面上设有用于拆装熔断器的开槽，所述开槽上设有可拆封盖。
  6. 开关柜，包括手车室和带有避雷器的开关柜手车，带有避雷器的开关柜手车，包括车架，车架的后侧设有手车面板，车架上于手车面板的前侧设置有触臂，所述开关柜手车还包括与触臂连接的避雷器，所述避雷器的后端固定在车架上，所述触臂的后端固定在避雷器的前端。
  7. 根据权利要求6所述的开关柜，所述避雷器包括由阀片前后层叠布置而形成的阀片组和设置在阀片组前后两端的导电连接件，所述阀片组和导电连接件通过环氧树脂浇注成型。
  8. 根据权利要求7所述的开关柜，所述避雷器前端的导电连接件上设有螺纹孔，所述触臂的后端设有螺杆并通过螺杆固定在螺纹孔内。
  9. 根据权利要求7或8所述的开关柜，所述避雷器前端的导电连接件上设有用于遮蔽避雷器与触臂的连接部位的防护罩。
  10. 根据权利要求6或7或8所述的开关柜，所述开关柜手车还包括用于保护电压互感器的熔断器，所述熔断器设置在触臂内，所述触臂的外周面上设有用于拆装熔断器的开槽，所述开槽上设有可拆封盖。
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