WO2012103681A1 - 带内部燃弧防护的开关设备 - Google Patents

带内部燃弧防护的开关设备 Download PDF

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Publication number
WO2012103681A1
WO2012103681A1 PCT/CN2011/070851 CN2011070851W WO2012103681A1 WO 2012103681 A1 WO2012103681 A1 WO 2012103681A1 CN 2011070851 W CN2011070851 W CN 2011070851W WO 2012103681 A1 WO2012103681 A1 WO 2012103681A1
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WIPO (PCT)
Prior art keywords
screw rod
cabinet
door
switch
internal arc
Prior art date
Application number
PCT/CN2011/070851
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English (en)
French (fr)
Inventor
孙益源
邱卫东
孙志中
Original Assignee
江苏东源电器集团股份有限公司
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.)
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Application filed by 江苏东源电器集团股份有限公司 filed Critical 江苏东源电器集团股份有限公司
Priority to CN201180047892.5A priority Critical patent/CN103155315B/zh
Priority to PCT/CN2011/070851 priority patent/WO2012103681A1/zh
Publication of WO2012103681A1 publication Critical patent/WO2012103681A1/zh

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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
    • H02B11/127—Withdrawal mechanism
    • H02B11/133—Withdrawal mechanism with interlock

Definitions

  • the invention relates to an alternating current switchgear.
  • the existing AC power switch cabinets affect the safety performance and misoperation of the cabinet due to the structure of the cabinet.
  • the object of the present invention is to provide a switch device with reasonable structure, safe, convenient and accurate operation with internal arc protection.
  • the utility model relates to a switch device with internal arc protection, comprising a cabinet body, a hand truck, a screw rod for moving the handcart, and a grounding switch, wherein the front end of the screw rod is a part connected with the rocker for rotating the screw rod, A screw sleeve is set on the connecting portion, and the two sides of the screw sleeve are movably mounted on the bolt, and a screw sleeve locking pin that can move left and right is inserted behind the screw sleeve and outside the bolt, and the screw locking pin is provided
  • the groove has a beveled surface at the front end of the groove, and the corresponding part of the front door of the switch cabinet and the screw rod is provided with a lock fork for inserting the screw lock pin groove and moving the lock pin outward.
  • a lock plate is arranged at the entrance and exit portion of the front door of the cabinet body, and a movable button door plate matched with the lock plate is fixed on the inner surface of the side wall of the cabinet body, the movable button door plate is in the form of a lever, and the rear end of the movable button door plate is placed at the rear end On the lifting mechanism controlled by the movement of the handcart.
  • the lifting mechanism controlled by the movement of the handcart includes a shutter mechanism, and the shutter mechanism is in contact with the bumper block mounted on the side of the handcart.
  • the main shaft of the grounding switch is connected to the motor output shaft.
  • An eversion type pressure release cover is respectively disposed at a corresponding portion of the cabinet top plate and the cable room, the bus bar room, and the switch room.
  • the rear door panel of the cabinet comprises a door panel body and an end plate at both ends of the door panel body.
  • the door panel body is in the form of a double layer plate
  • the end panel is in the form of a single layer plate whose end portion is turned backward.
  • the front door of the cabinet is provided with a reinforcing plate inside the door, the front door is provided with a baffle operation hole baffle, and the front door is provided with a bulletproof glass window.
  • the bulletproof glazing comprises an inner and outer tempered glass layer, and a metal shielding net fixed by bulletproof glue is disposed between the inner and outer tempered glass layers.
  • the front door of the cabinet is provided with a hand-operated door lock, including a handle, and the handle is connected to the handle base through the pin shaft, and the free end of the handle is provided with a lock button matched with the end of the handle base, and the handle passes the upper and lower moving pins and the front door The upper and lower strips on the inside are connected.
  • the vacuum circuit breaker includes a circuit breaker body and a contact arm.
  • the package surface of the contact arm is in the form of a mixture of glass fiber cloth and epoxy resin; the silicone rubber sealing sleeve is set at the root of the contact arm; and heat is disposed at the top of the circuit breaker body.
  • Device is a circuit breaker body and a contact arm.
  • the package surface of the contact arm is in the form of a mixture of glass fiber cloth and epoxy resin; the silicone rubber sealing sleeve is set at the root of the contact arm; and heat is disposed at the top of the circuit breaker body.
  • the handbrake handle is an electric rocker device, comprising an encoder disposed in the cabinet of the switch cabinet, a decoder external to the switch cabinet, the encoder is connected with a launch tube, and the decoder is connected with a receiving tube for receiving the signal of the launch tube.
  • the encoder receives the switch cabinet to allow operation, working position and test position information, and the decoder transmits the decoded allowable operation, working position and test position information to the motor controller, and the motor controller is connected with the motor that drives the crank, the motor
  • the controller is connected with an enter button for controlling the forward and reverse of the motor, and a push button.
  • the motor controller has an overcurrent protection.
  • the invention has reasonable structure and is safe, convenient and accurate in operation.
  • Figure 1 is a schematic view showing the structure of an embodiment of the present invention.
  • Figure 2 is a schematic view of the structure of the screw and the screw sleeve.
  • Figure 3 is a schematic diagram of the structure of the grounding switch.
  • Figure 4 is a schematic view of the structure of the pressure relief cover.
  • Figure 5 is a schematic view of the structure of the rear door panel.
  • Figure 6 is a schematic diagram of the structure of the front door.
  • Figure 7 is a schematic view of the structure of the bulletproof glazing.
  • Figure 8 is a schematic view of the structure of the hand-operated door lock when the door is opened.
  • Figure 9 is a schematic view of the structure of the hand-operated door lock in the locked state.
  • Figure 10 is a schematic view of the structure of the vacuum circuit breaker.
  • Figure 11 is a schematic view of the structure of the electric crank.
  • Figure 12 is a schematic structural view of the electric crank motor controller.
  • Figure 13 is a schematic view of the structure of the door lock.
  • a switch device with internal arc protection including a cabinet 1 , a handcart 2 , a screw rod for moving the handcart 3 , and a grounding switch 4
  • the front end of the screw rod is a portion connected with the rocker that rotates the screw rod, and the screw sleeve 5 is set on the connecting portion, and the screw sleeve is movably mounted on the bolt 6 on both sides, and a screw sleeve movable left and right Locking pin 7 Inserted behind the screw sleeve and outside the bolt 6, the screw lock pin is provided with a groove 8 , and the side wall of the front end of the groove is inclined, and the front door of the switch cabinet 9
  • Corresponding part with the screw rod is provided with a locking fork 10 for inserting the screw locking pin groove and moving the locking pin outward; when the current door is closed, the locking fork is inserted into the locking pin groove along the inclined surface, so that the locking pin moves outward , shaker 15
  • a lock plate 11 is arranged at the entrance and exit portion of the front door of the cabinet body, and a movable buckle door plate matched with the lock plate is fixed on the inner surface of the side wall of the cabinet 12
  • the movable button panel is in the form of a lever, and the rear end of the movable button panel is placed on the lifting mechanism controlled by the movement of the handcart 2.
  • the lifting mechanism controlled by the movement of the handcart includes a shutter mechanism 13 , the shutter mechanism and the handcart bumper mounted on the side of the handcart 14 Contact. When the handcart moves into the counter, the handcart bumps the block to cause the shutter mechanism to lift the rear end of the movable button door, and the front end of the movable button door is fastened with the lock plate to ensure that the door cannot be opened.
  • the spindle 15 of the earthing switch 4 is connected to the output shaft of the motor 16.
  • An eversion type pressure release cover 17 is respectively disposed at a corresponding portion of the cabinet top plate and the cable room, the bus bar room, and the switch room.
  • the rear door panel of the cabinet includes a door panel body 18 and end plates at both ends of the door panel body.
  • the main body of the door panel is in the form of a double-layer plate
  • the end plate is in the form of a single-layer plate whose end is turned backward.
  • the front door of the cabinet is provided with a reinforcing plate inside the door, the front door is provided with a rocker operating hole baffle 20, and the front door is provided with a bulletproof glass window 21 .
  • the bulletproof glass window comprises inner and outer tempered glass layers 22 and 23, and a bulletproof rubber is disposed between the inner and outer tempered glass layers.
  • Fixed metal screen 24 Fixed metal screen 24 .
  • the front door of the cabinet is provided with a pull-type door lock, including a handle 26, and the handle passes through the pin shaft and the handle base 27 Connected, the free end of the handle is provided with a latch 28 that cooperates with the end of the handle base, and the handle is connected to the upper and lower strips 31, 32 on the inner side of the front door through the upper and lower moving pins 29, 30.
  • a pull-type door lock including a handle 26, and the handle passes through the pin shaft and the handle base 27 Connected, the free end of the handle is provided with a latch 28 that cooperates with the end of the handle base, and the handle is connected to the upper and lower strips 31, 32 on the inner side of the front door through the upper and lower moving pins 29, 30.
  • the package on the surface of the contact arm is in the form of a mixture of glass fiber cloth and epoxy resin (ie, wrapped with glass fiber cloth or coated with epoxy resin); silicone rubber sealing sleeve 43 Set at the base of the contact arm.
  • a heat sink 44 is placed on the top of the circuit breaker body.
  • the handbrake handle is an electric rocker device, including an encoder 52 disposed in the switch cabinet 51, and a decoder outside the switch cabinet.
  • the encoder is connected with a transmitting tube 54
  • the decoder is connected with a receiving tube 55 for receiving the transmitting tube signal
  • the encoder receiving the switch cabinet allows operation, working position and test position information 58 , 59 , 60
  • the decoder transmits the decoded allowable operation, working position and test position information to the motor controller 56, the motor controller and the motor that drives the crank handle 57 Connected, the motor controller is connected with an enter button for controlling the forward and reverse of the motor, and the push button 61, 62, and the motor terminal 63 in Fig. 2, the test position terminal block matched with the decoder 64 , working position terminal block 65, allow operation of terminal block 66.
  • the motor controller has an overcurrent protection.

Description

带内部燃弧防护的开关设备
技术领域
本发明涉及一种交流电开关设备。
背景技术
现有的交流电开关柜，由于柜体的结构等原因，影响使用的安全性能及存在误操作等现象。
发明内容
本发明的目的在于提供一种结构合理，操作安全方便、准确的带内部燃弧防护的开关设备。
本发明的技术解决方案是：
一种带内部燃弧防护的开关设备，包括柜体、手车、带动手车移动的丝杆、接地开关，其特征是：丝杆前端为与带动丝杆转动的摇把的连接的部位，在该连接部位上套装丝杆套，丝杆套两侧活动式装在螺栓上，一个可左右移动的丝杆套闭锁销插在丝杆套后方和螺栓的外侧，丝杆闭锁销上设有凹槽，凹槽前端部侧壁呈斜面状，开关柜柜体前门与丝杆的对应部位设有插入丝杆闭锁销凹槽、并使闭锁销向外移动的闭锁拨叉。
在柜体前门的手车进出部位设置锁扣板，在柜体侧壁内面固装与锁扣板配合的活动式扣门板，活动式扣门板呈杠杆形式，活动式扣门板的后端放置在由手车移动而控制的升降机构上。
所述由手车移动而控制的升降机构包括活门机构，活门机构与装在手车侧面的手车碰块接触。
接地开关的主轴与电机输出轴连接。
在柜体顶板与电缆室、母线室、开关室对应部位分别设置外翻式泄压盖。
柜体的后门板包括门板主体、门板主体两端的端板，门板主体为双层板形式，端板呈端部向后翻转的单层板形式。
柜体前门设有门内加强板，前门上设有摇把操作孔挡板，前门上设有防弹玻璃窗。
所述防弹玻璃窗包括内、外钢化玻璃层，在内外钢化玻璃层之间设置用防弹胶固定的金属屏蔽网。
柜体的前门上设有手拉式门锁，包括把手，把手通过销轴与把手底座连接，把手的游离端设有与把手底座端部配合的锁扣，把手通过上、下移动销与前门内侧的上、下拉条板连接。
所述真空断路器包括断路器本体、触臂，触臂表面的封装采用玻璃纤维布与环氧树脂混合包裹的形式；硅橡胶密封套套装在触臂的根部；在断路器本体的顶部设置散热器。
所述手车摇把为电动摇把装置，包括设置在开关柜柜体中的编码器、开关柜柜体外的解码器，编码器接有发射管，解码器接有接收发射管信号的接收管，编码器接收开关柜允许操作、工作位置及试验位置信息，解码器将解码后的允许操作、工作位置及试验位置信息传输给电机控制器，电机控制器与驱动摇把工作的电机连接，电机控制器上接有控制电机正、反转的进入按钮、摇出按钮。电机控制器带有过电流保护装置。
本发明结构合理，操作安全方便、准确。
附图说明
下面结合附图和实施例对本发明作进一步说明。
图 1 是本发明一个实施例的结构示意图。
图 2 是丝杆、丝杆套部位的结构示意图。
图 3 是接地开关结构示意图。
图 4 是泄压盖结构示意图。
图 5 是后门板的结构示意图。
图 6 是前门结构示意图。
图 7 是防弹玻璃窗结构示意图。
图 8 是手拉式门锁开门状态时的结构示意图。
图 9 是手拉式门锁锁门状态时的结构示意图。
图 10 是真空断路器的结构示意图。
图 11 是电动摇把的结构示意图。
图 12 是电动摇把电机控制器的结构示意图。
图 13 是门锁的结构示意图。
具体实施方式
一种带内部燃弧防护的开关设备，包括柜体 1 、手车 2 、带动手车移动的丝杆 3 、接地开关 4 ，丝杆前端为与带动丝杆转动的摇把的连接的部位，在该连接部位上套装丝杆套 5 ，丝杆套两侧活动式装在螺栓 6 上，一个可左右移动的丝杆套闭锁销 7 插在丝杆套后方和螺栓 6 的外侧，丝杆闭锁销上设有凹槽 8 ，凹槽前端部侧壁呈斜面状，开关柜柜体前门 9 与丝杆的对应部位设有插入丝杆闭锁销凹槽、并使闭锁销向外移动的闭锁拨叉 10 ；当前门关闭时闭锁拨叉沿斜面插入闭锁销凹槽，使闭锁销向外移动，摇把 15 此时可以插入丝杆前端。
在柜体前门的手车进出部位设置锁扣板 11 ，在柜体侧壁内面固装与锁扣板配合的活动式扣门板 12 ，活动式扣门板呈杠杆形式，活动式扣门板的后端放置在由手车 2 移动而控制的升降机构上。所述由手车移动而控制的升降机构包括活门机构 13 ，活门机构与装在手车侧面的手车碰块 14 接触。当手车向柜台内移动时，手车碰块使活门机构带动活动式扣门板后端上抬，活动式扣门板前端与锁扣板扣合，保证门无法开启。
接地开关 4 的主轴 15 与电机 16 的输出轴连接。
在柜体顶板与电缆室、母线室、开关室对应部位分别设置外翻式泄压盖 17 。
柜体的后门板包括门板主体 18 、门板主体两端的端板 19 ，门板主体为双层板形式，端板呈端部向后翻转的单层板形式。
柜体前门设有门内加强板，前门上设有摇把操作孔挡板 20 ，前门上设有防弹玻璃窗 21 。
所述防弹玻璃窗包括内、外钢化玻璃层 22 、 23 ，在内外钢化玻璃层之间设置用防弹胶 25 固定的金属屏蔽网 24 。
柜体的前门上设有手拉式门锁，包括把手 26 ，把手通过销轴与把手底座 27 连接，把手的游离端设有与把手底座端部配合的锁扣 28 ，把手通过上、下移动销 29 、 30 与前门内侧的上、下拉条板 31 、 32 连接。
包括断路器本体 41 、触臂 42 ，触臂表面的封装采用玻璃纤维布与环氧树脂混合包裹的形式（即用玻璃纤维布浸或涂环氧树脂后包裹）；硅橡胶密封套 43 套装在触臂的根部。在断路器本体的顶部设置散热器 44 。
所述手车摇把为电动摇把装置，包括设置在开关柜柜体 51 中的编码器 52 、开关柜柜体外的解码器 53 ，编码器接有发射管 54 ，解码器接有接收发射管信号的接收管 55 ，编码器接收开关柜允许操作、工作位置及试验位置信息 58 、 59 、 60 ，解码器将解码后的允许操作、工作位置及试验位置信息传输给电机控制器 56 ，电机控制器与驱动摇把工作的电机 57 连接，电机控制器上接有控制电机正、反转的进入按钮、摇出按钮 61 、 62 ，图 2 中还有电机接线端子 63 、与解码器配合的试验位置接线端子 64 、工作位置接线端子 65 、允许操作接线端子 66 。电机控制器带有过电流保护装置。

Claims (1)

1. 一种带内部燃弧防护的开关设备，包括柜体、手车、带动手车移动的丝杆、接地开关、真空断路器、手车摇把，其特征是：丝杆前端为与带动丝杆转动的摇把的连接的部位，在该连接部位上套装丝杆套，丝杆套两侧活动式装在螺栓上，一个可左右移动的丝杆套闭锁销插在丝杆套后方和螺栓的外侧，丝杆闭锁销上设有凹槽，凹槽前端部侧壁呈斜面状，开关柜柜体前门与丝杆的对应部位设有插入丝杆闭锁销凹槽、并使闭锁销向外移动的闭锁拨叉。
2. 根据权利要求 1 所述的带内部燃弧防护的开关设备，其特征是：在柜体前门的手车进出部位设置锁扣板，在柜体侧壁内面固装与锁扣板配合的活动式扣门板，活动式扣门板呈杠杆形式，活动式扣门板的后端放置在由手车移动而控制的升降机构上；所述由手车移动而控制的升降机构包括活门机构，活门机构与装在手车侧面的手车碰块接触。
3. 根据权利要求 1 所述的带内部燃弧防护的开关设备，其特征是：在柜体顶板与电缆室、母线室、开关室对应部位分别设置外翻式泄压盖。
4. 根据权利要求 1 、 2 或 3 所述的带内部燃弧防护的开关设备，其特征是：柜体的后门板包括门板主体、门板主体两端的端板，门板主体为双层板形式，端板呈端部向后翻转的单层板形式。
5. 根据权利要求 1 、 2 或 3 所述的带内部燃弧防护的开关设备，其特征是：柜体前门设有门内加强板，前门上设有摇把操作孔挡板，前门上设有防弹玻璃窗；所述防弹玻璃窗包括内、外钢化玻璃层，在内外钢化玻璃层之间设置用防弹胶固定的金属屏蔽网。
6. 根据权利要求 1 、 2 或 3 所述的带内部燃弧防护的开关设备，其特征是：柜体的前门上设有手拉式门锁，包括把手，把手通过销轴与把手底座连接，把手的游离端设有与把手底座端部配合的锁扣，把手通过上、下移动销与前门内侧的上、下拉条板连接。
7. 根据权利要求 1 、 2 或 3 所述的带内部燃弧防护的开关设备，其特征是：所述真空断路器包括断路器本体、触臂，触臂表面的封装采用玻璃纤维布与环氧树脂混合包裹的形式；硅橡胶密封套套装在触臂的根部；在断路器本体的顶部设置散热器。
8. 根据权利要求 1 、 2 或 3 所述的带内部燃弧防护的开关设备，其特征是：所述手车摇把为电动摇把装置，包括设置在开关柜柜体中的编码器、开关柜柜体外的解码器，编码器接有发射管，解码器接有接收发射管信号的接收管，编码器接收开关柜允许操作、工作位置及试验位置信息，解码器将解码后的允许操作、工作位置及试验位置信息传输给电机控制器，电机控制器与驱动摇把工作的电机连接，电机控制器上接有控制电机正、反转的进入按钮、摇出按钮。
9. 根据权利要求 8 所述的带内部燃弧防护的开关设备，其特征是：电机控制器带有过电流保护装置。
PCT/CN2011/070851 2011-01-31 2011-01-31 带内部燃弧防护的开关设备 WO2012103681A1 (zh)

Priority Applications (2)

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CN201180047892.5A CN103155315B (zh) 2011-01-31 2011-01-31 带内部燃弧防护的开关设备
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CN104577734A (zh) * 2015-02-04 2015-04-29 舒泳军 一种含有通风散热系统的电力安装柜及其使用方法
EP2869414A1 (en) * 2013-10-31 2015-05-06 Eaton Corporation Withdrawable contactor trucks with integral motorized levering-in, related switchgear, kits and methods
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CN107732743A (zh) * 2017-03-24 2018-02-23 国网甘肃省电力公司兰州供电公司 一种6‑35kV设备标准化开关柜系统
CN107749587A (zh) * 2017-11-21 2018-03-02 蓉中电气股份有限公司 一种高安全性且便于检修的高压开关柜
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CN104617509B (zh) * 2015-02-13 2024-02-23 江苏省电力公司东台市供电公司 一种变电站10kV中置柜手车移出柜体后安全保护锁
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