WO2009003345A1 - Solid insulation full-closed loop networt cabinet - Google Patents
Solid insulation full-closed loop networt cabinet Download PDFInfo
- Publication number
- WO2009003345A1 WO2009003345A1 PCT/CN2007/070675 CN2007070675W WO2009003345A1 WO 2009003345 A1 WO2009003345 A1 WO 2009003345A1 CN 2007070675 W CN2007070675 W CN 2007070675W WO 2009003345 A1 WO2009003345 A1 WO 2009003345A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- contact
- isolating
- network cabinet
- grounding
- ring network
- Prior art date
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Classifications
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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
- 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
- H02B13/0354—Gas-insulated switchgear comprising a vacuum switch
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H31/00—Air-break switches for high tension without arc-extinguishing or arc-preventing means
- H01H31/003—Earthing switches
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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
- H01H33/662—Housings or protective screens
- H01H33/66207—Specific housing details, e.g. sealing, soldering or brazing
- H01H2033/6623—Details relating to the encasing or the outside layers of the vacuum switch housings
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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
- H01H33/02—Details
- H01H33/022—Details particular to three-phase circuit breakers
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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
- H01H33/666—Operating arrangements
- H01H33/6661—Combination with other type of switch, e.g. for load break switches
Definitions
- the present invention relates to a circuit arrangement for an AC mains or AC distribution network, and more particularly to a solid insulated fully enclosed ring network cabinet.
- the object of the present invention is to provide a solid insulated fully enclosed ring network cabinet which is non-toxic, harmless, small in size, simple in process and low in maintenance cost.
- a solid insulated fully enclosed ring network cabinet comprising at least one incoming line and at least one outgoing line, each of which includes a three-phase high voltage vacuum switch unit, the high voltage vacuum switch unit
- the housing, the cover, the track frame, the main switch, the isolating blade, the grounding contact, the bus bar, the T-shaped contact, the soft copper strip, the double-pass bushing and the grounding drive shaft, the cover is mounted above the housing, the track One end of the frame is fixed on the cover body, the bus bar and the ground contact are respectively mounted on the lower end of the casing, and the main switch and the isolating knife are respectively installed in the space formed by the cover body and the casing, and the double-pass bushing is mounted on the casing.
- the grounding drive shaft is mounted on the cover body at the upper end of the binding post, the ⁇ -shaped contact is mounted in the housing, one end of the soft copper strip is connected to the main switch, and the other end is connected to the ⁇ -shaped contact, wherein: the main switch The upper end is connected to the other end of the track frame, and the lower end of the main switch is connected to the bus bar; one end of the isolating knife is hinged to the double-pass bushing, and the upper end is connected to the grounding drive shaft, and the lower end thereof is connected with the grounding contact or the tau shape Head connected;
- the isolating knife comprises: an arm, an isolating tie rod, an isolated drive shaft, a gear mechanism and an isolating blade, and the two ends of the isolating rod are respectively hinged with the arm and the isolating blade
- the other end of the arm is connected to the isolated drive shaft, and the isolated drive shaft is rotated by the ground drive shaft through a gear mechanism.
- the isolated drive shaft is supported on the cover body, and the one end of the isolation blade is hinged at the double On the through sleeve, the other end is openably connected to the ground contact or the ⁇ -shaped contact on the housing;
- the solid insulated fully enclosed ring network cabinet of the present invention wherein: the main switch comprises: a square pull rod, a connecting piece, a guiding sleeve, an isolating square shaft, an insulating rod, a driving shaft arm, a contact spring, a split spring, a double-head screw a copper connecting post and a vacuum bubble, the trip spring is fixed at one end to the square pull rod, and the other end is fixed on the track frame welded on the support plate of the housing, and one end of the drive shaft arm is sleeved on the isolated square shaft, and One end is hinged on one end of the square pull rod, the isolated square shaft is fixed on the cover body, the other end of the square pull rod is hinged with the other end of the connecting piece, the other end of the
- the solid insulated fully enclosed ring network cabinet of the present invention wherein: the upper end of the vacuum bubble is provided with a moving contact, the lower end is provided with a static contact, the lower part of the double-headed screw and the soft copper band are connected with the moving contact, the copper connecting column and Static contacts are connected;
- the solid insulated fully enclosed ring network cabinet of the present invention wherein: the casing is made of epoxy resin, and the copper connecting post and the bus bar connected thereto are covered with a silicone rubber layer;
- the solid insulated fully enclosed ring network cabinet of the present invention wherein: the outer wall of the vacuum bubble is surrounded by a layer of silicone rubber bonded to the casing;
- the solid insulated fully enclosed ring network cabinet of the present invention wherein: the epoxy resin has a wall thickness of 10 mm - 15 mm, and the silicon rubber layer has a wall thickness of 8 to 10;
- the solid insulated fully enclosed ring network cabinet of the present invention wherein: the epoxy resin is 208:.
- the solid insulated fully enclosed ring network cabinet of the present invention has a high-voltage vacuum switch with a fully enclosed solid package, which does not cause creepage, thereby improving the insulation level, and has significant safety and energy saving performance.
- the effect is that the air, moisture, dust and hot and cold air sources are isolated, effectively reducing the corrosion of the power supply body, stabilizing the output of the power supply voltage, reducing the number of maintenance of the equipment, reducing the cost, and prolonging the ring network cabinet. Service life; to achieve visualization, security, and high economic benefits.
- Figure 1 is a general view of the solid insulated fully enclosed ring network cabinet of the present invention
- Figure 2 is a bottom view of Figure 1;
- FIG. 3 is a plan view of Figure 1; 4 is a schematic structural view of a single high-pressure vacuum switch unit of the solid insulated fully enclosed ring network cabinet of the present invention; and FIG. 5 is a side view of FIG.
- FIG. 1 is a general view of a solid insulated fully enclosed ring network cabinet according to the present invention, which includes a three-way high-pressure vacuum switch, and the bottom view of the ring network cabinet and the top view of the ring network cabinet shown in FIG. 2 and FIG. 3 can be seen.
- the wiring mode of the solid insulated ring network cabinet busbar, the high voltage vacuum switch 1 is composed of a housing 2, a cover 23, a track frame 22, a main switch 3, an isolating knife 4, a grounding contact 16, a bus bar 7, a T-shaped contact 17, The soft copper strip 20, the double-pass bushing 33 and the grounding drive shaft 14 are formed.
- the cover body 23 is mounted above the casing 2.
- the track frame 22 is fixed on the cover body 23, and the bus bar 7 and the ground contact 16 are respectively mounted on The lower end of the casing 2, the main switch 3 and the isolating blade 4 are housed in the space formed by the casing 23 and the casing 2, the double-pass bushing 33 is mounted on one side of the casing 2, and the grounding transmission shaft 14 is mounted on the double-passing sleeve
- the T-shaped contact 17 is housed in the housing 2
- one end of the soft copper strip 20 is connected to the main switch 3, and the other end is connected to the T-shaped contact 17, the upper end of the main switch 3 and the trajectory
- the other end of the frame 22 is connected, and the lower end of the main switch 3 is connected to the bus bar 7; one end of the isolating blade 4
- the double-pass bushing 33 is hinged, the upper end of which is connected to the grounding drive shaft 14, the lower end of which is connected to the grounding contact 16 or the T-shaped contact 17, the wall thickness of the cas
- the main switch 3 includes: a drive shaft arm 31, a square pull rod 28, a connecting piece 32, a guide sleeve 24, an insulating rod 21, an isolation square shaft 38, and a touch.
- the head spring 25, the branch spring 26, the double-headed screw 27, the vacuum bubble 18 and the copper connecting post 6, the split spring 26-end is fixed to the square pull rod 28, and the other end is fixed to the track welded on the housing support plate.
- the drive shaft arm 31 is sleeved on the isolation square shaft 38, the other end is hinged on one end of the square rod 28, the isolation square shaft 38 is fixed on the cover body 23, and the other end of the square pull rod 28 is connected.
- the piece 32 is hinged, the other end of the connecting piece 32 is connected with the screw, and the screw thread is connected to the guiding sleeve 24.
- the upper end of the insulating rod 21 extends into the guiding sleeve 24 and is guided by the guiding sleeve 24, and the lower end of the insulating rod 21 and the double-headed screw 27 connection, the upper end and the lower end of the insulating rod 21 are pull rods for removing the insulating layer, the insulating rod 21 is covered with a plurality of silicone rings 37 made of silicone rubber, and a silicone umbrella ring 34 is arranged between the plurality of silicone rings 37, at the uppermost end A contact spring 25 is disposed between the silicone umbrella ring 34 and the guide sleeve 24.
- the lower portion of the double-headed screw 27 is connected to the movable contact 29 of the upper end of the vacuum bubble 18 and the soft copper strip 20, and the movable contact 29 of the lower end of the vacuum bubble 18 Connected to the copper connection post 6, the copper connection post 6 is connected to the bus bar 7.
- a layer of silicone glue 8 is placed around the inner wall of the vacuum bubble 18.
- the other end of the copper connecting post 6 is connected to the bus bar 7, and the copper connecting post 6 and the bus bar 7 are covered with a silicone rubber layer 8, and the silicone rubber layer 8 has a wall thickness of 8 mm.
- the isolating blade 4 includes: a crank arm 9, an isolating tie rod 10, an isolating transmission shaft 12, a gear mechanism 13 and an isolating blade 11, and the two ends of the isolating tie rod 10 are respectively hinged with the arm 9 and the isolating blade 11 Together, the other end of the arm 9
- the isolated drive shaft 12 is connected to the driven shaft 12 through the gear mechanism 13 to drive the ground.
- the isolated drive shaft 12 is supported on the cover body 23.
- the one end of the isolating blade 11 is hinged on the double-passing sleeve 33. The other end is openably connected to the ground contact 16 or the T-shaped contact 7 on the housing 2, respectively.
- the working principle of the high-pressure vacuum switch of the solid insulated ring network cabinet of the present invention is: When the movable contact 29 of the main switch 3 is disconnected from the static contact 35, the main switch 3 is disconnected.
- the grounding drive shaft 14 rotates clockwise, and the isolated drive shaft 12 and the arm 9 are driven by the gear processing 13, and the arm 9 drives the isolation rod 10 to move, and the isolation rod 10 is isolated.
- the isolation blade 11 is driven to move upward, and the isolation blade 11 is connected to the T-shaped contact 17, completing the closing process.
- the grounding drive shaft 14 rotates counterclockwise, and the isolated drive shaft 12 and the arm 9 are driven by the gear processing 13.
- the arm 9 drives the isolation rod 10 to move, and the isolation rod 10 drives the isolation blade 11 to move downward, so that the isolation blade 11 and the ground contact 16 connections, complete the process of opening.
- the solid insulated fully enclosed ring network cabinet of the invention adopts a fully enclosed solid package high voltage vacuum switch 1, and has a simple transmission structure, small occupied space, flexible movement, convenient installation, debugging and maintenance;
- the insulating rod 21 is made of silicone rubber.
- a plurality of silicone rings 37 increase the insulation performance of the insulating tie rods 21, which does not cause creepage, thereby improving the insulation level, and has a remarkable effect on safety and energy saving performance; and the casing 2 is made of epoxy.
- the resin, the copper connecting post 6, the busbar 7 and the vacuum bubble 18 are coated with silica gel.
- the high-pressure vacuum switch 1 of the solid insulated fully enclosed ring network cabinet of the present invention isolates air, moisture, dust and hot and cold gas sources, effectively The ground slows down the corrosion of the power supply body, stabilizes the output of the power supply voltage, reduces the number of maintenance of the equipment, reduces the cost, and prolongs the service life of the ring network cabinet; it is visualized, has a sense of security, and achieves high economic benefits.
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- High-Tension Arc-Extinguishing Switches Without Spraying Means (AREA)
- Patch Boards (AREA)
- Gas-Insulated Switchgears (AREA)
Abstract
A solid insulation full-closed loop network cabinet comprises at least a route of incoming line and a route of outgoing line. Each route comprises three-phase high voltage vacuum switch unit (1). The high voltage vacuum switch unit (1) is composed of a case (2), a cover (23), a track rack (22), a main switch (3), a disconnection switch (4), a grounding contact (16), a bus (7), a T-shaped contact (17), a flexible copper line (20), a double pass bushing (33) and a grounding transmission shaft (14). The cover (23) is provided above the case (2). One end of the track rack (22) is fixed on the cover (23). The bus (7) and grounding contact (16) are installed in the lower part of the case (2) respectively. The main switch (3) and the disconnection switch (4) are installed in the space that is surrounded by the cover (23) and the case (2). The double pass bushing (33) is installed on one side of the case (2). The grounding driving shaft (14) is installed on the cover (23) that is above the double pass bushing (33). The T-shaped contact (17) is installed in the case (2). One end of the flexible copper line (20) is connected with the main switch (3), and the other end is connected with the T-shaped contact (17).
Description
固体绝缘全封闭环网柜 Solid insulated fully enclosed ring network cabinet
技术领域 Technical field
本发明涉及一种交流干线或交流配电网络的电路装置,特别是一种固体绝缘全封闭环网 柜。 The present invention relates to a circuit arrangement for an AC mains or AC distribution network, and more particularly to a solid insulated fully enclosed ring network cabinet.
背景技术 Background technique
在现有技术中, 有气体绝缘环网柜, 采用气体对高压真空开关进行封闭绝缘; 由于采用 的气体 SF6在进行灭弧后具有毒性, 有温室效应, 且易泄漏, 金属器箱体积大, 对密封性要 求高, 加工工艺复杂, 致使箱体造价高, 维护检测较复杂, 防护等级也不够, 并且带电体裸 露, 受空气、 灰尘的侵蚀, 易造成带电体的腐蚀, 降低了绝缘的等级, 极易造成人身伤亡事 故。 In the prior art, there is a gas insulated ring network cabinet, which uses gas to seal the high voltage vacuum switch; because the gas SF6 used is toxic after arc extinguishing, has a greenhouse effect, and is easy to leak, the metal box is bulky, The sealing requirements are high, the processing technology is complicated, the box cost is high, the maintenance inspection is complicated, the protection level is not enough, and the charged body is exposed, which is corroded by air and dust, which easily causes corrosion of the charged body and reduces the level of insulation. It is very easy to cause personal injury or death.
发明内容 Summary of the invention
本发明的目的在于提供一种无毒无害体积小, 工艺简单, 维护成本低的固体绝缘全封闭 环网柜。 The object of the present invention is to provide a solid insulated fully enclosed ring network cabinet which is non-toxic, harmless, small in size, simple in process and low in maintenance cost.
为了实现上述目的, 本发明的技术解决方案为: 一种固体绝缘全封闭环网柜, 包括至少 一路进线和至少一路出线,每路包括三相高压真空开关单元,所述高压真空开关单元由壳体、 罩体、 轨迹架、 主开关、 隔离刀、 接地触头、 母线、 T形触头、 软铜带、 双通套管和接地传 动轴组成, 罩体装在壳体的上方, 轨迹架的一端固定在罩体上, 母线和接地触头分别装在壳 体的下端, 主开关和隔离刀分别装在罩体和壳体组成的空间内, 双通套管装在壳体的一侧, 接地传动轴装在接线柱上端的罩体上, τ形触头装在壳体内, 软铜带的一端与主开关相连, 另一端与 τ形触头相连, 其中: 所述主开关的上端与轨迹架的另一端相连, 主开关的下端与 母线相连; 隔离刀的一端与双通套管铰接, 它的上端与接地传动轴相连, 它的下端与接地触 头或 τ形触头相连; In order to achieve the above object, the technical solution of the present invention is: A solid insulated fully enclosed ring network cabinet comprising at least one incoming line and at least one outgoing line, each of which includes a three-phase high voltage vacuum switch unit, the high voltage vacuum switch unit The housing, the cover, the track frame, the main switch, the isolating blade, the grounding contact, the bus bar, the T-shaped contact, the soft copper strip, the double-pass bushing and the grounding drive shaft, the cover is mounted above the housing, the track One end of the frame is fixed on the cover body, the bus bar and the ground contact are respectively mounted on the lower end of the casing, and the main switch and the isolating knife are respectively installed in the space formed by the cover body and the casing, and the double-pass bushing is mounted on the casing. The grounding drive shaft is mounted on the cover body at the upper end of the binding post, the τ-shaped contact is mounted in the housing, one end of the soft copper strip is connected to the main switch, and the other end is connected to the τ-shaped contact, wherein: the main switch The upper end is connected to the other end of the track frame, and the lower end of the main switch is connected to the bus bar; one end of the isolating knife is hinged to the double-pass bushing, and the upper end is connected to the grounding drive shaft, and the lower end thereof is connected with the grounding contact or the tau shape Head connected;
本发明固体绝缘全封闭环网柜, 其中: 隔离刀包括: 拐臂、 隔离拉杆、 隔离传动轴、 齿 轮机构和隔离刀片, 所述隔离拉杆两端分别与所述拐臂和隔离刀片铰接在一起, 所述拐臂另 一端与隔离传动轴相连, 所述隔离传动轴通过齿轮机构由接地传动轴带动其转动, 所述隔离 传动轴支承在所述罩体上, 所述隔离刀片一端铰接在双通套管上, 另一端可开合地分别与壳 体上的接地触头或 τ形触头相连;
本发明固体绝缘全封闭环网柜, 其中: 所述主开关包括: 方拉杆、 连接片、 导向套、 隔 离方轴、 绝缘拉杆、 传动轴拐臂、 触头簧、 分间簧、 双头螺杆、 铜连接柱和真空泡, 所述分 闸簧一端与方拉杆固定在一起, 另一端固定于焊接在壳体支撑板上的轨迹架上, 传动轴拐臂 一端套接于隔离方轴, 另一端铰接在方拉杆的一端上, 隔离方轴固定在罩体上, 方拉杆的另 一端同连接片的另一端铰接, 连接片的另一端与螺杆连接, 螺杆的螺纹连接导向套, 绝缘拉 杆上端伸入到导向套内并由导向套导向, 绝缘拉杆下端与双头螺杆连接, 绝缘拉杆上端和下 端为去掉绝缘层的拉杆, 绝缘拉杆外套有硅橡胶制成的许多个硅胶环, 在若干个硅胶环之间 装有硅胶伞圈, 在最上端的硅胶伞圈与导向套之间装有触头簧, 双头螺杆的下部与真空泡的 上端和软铜带的一端连接, 真空泡的下端与铜连接柱连接, 铜连接柱与母线连接; The solid insulated fully enclosed ring network cabinet of the present invention, wherein: the isolating knife comprises: an arm, an isolating tie rod, an isolated drive shaft, a gear mechanism and an isolating blade, and the two ends of the isolating rod are respectively hinged with the arm and the isolating blade The other end of the arm is connected to the isolated drive shaft, and the isolated drive shaft is rotated by the ground drive shaft through a gear mechanism. The isolated drive shaft is supported on the cover body, and the one end of the isolation blade is hinged at the double On the through sleeve, the other end is openably connected to the ground contact or the τ-shaped contact on the housing; The solid insulated fully enclosed ring network cabinet of the present invention, wherein: the main switch comprises: a square pull rod, a connecting piece, a guiding sleeve, an isolating square shaft, an insulating rod, a driving shaft arm, a contact spring, a split spring, a double-head screw a copper connecting post and a vacuum bubble, the trip spring is fixed at one end to the square pull rod, and the other end is fixed on the track frame welded on the support plate of the housing, and one end of the drive shaft arm is sleeved on the isolated square shaft, and One end is hinged on one end of the square pull rod, the isolated square shaft is fixed on the cover body, the other end of the square pull rod is hinged with the other end of the connecting piece, the other end of the connecting piece is connected with the screw, the screw thread is connected with the guiding sleeve, and the upper end of the insulating rod Extending into the guiding sleeve and guiding by the guiding sleeve, the lower end of the insulating rod is connected with the double-headed screw, the upper end and the lower end of the insulating rod are the pulling rods for removing the insulating layer, and the insulating rod sleeve is provided with a plurality of silicone rings made of silicone rubber, in several A silicone umbrella ring is arranged between the silicone ring, and a contact spring is arranged between the uppermost silicone umbrella ring and the guiding sleeve, and the lower part of the double-headed screw and the upper end of the vacuum bubble and the soft copper strip One end connected to the vacuum bubble column connections connected to the lower end of the copper, the copper busbar connection is connected to the column;
本发明固体绝缘全封闭环网柜,其中:所述真空泡的上端装有动触头,下端装有静触头, 双头螺杆的下部和软铜带与动触头相连, 铜连接柱与静触头相连; The solid insulated fully enclosed ring network cabinet of the present invention, wherein: the upper end of the vacuum bubble is provided with a moving contact, the lower end is provided with a static contact, the lower part of the double-headed screw and the soft copper band are connected with the moving contact, the copper connecting column and Static contacts are connected;
本发明固体绝缘全封闭环网柜, 其中: 所述壳体由环氧树脂制成, 所述铜连接柱和与之 相连的母线外面包覆硅橡胶层; The solid insulated fully enclosed ring network cabinet of the present invention, wherein: the casing is made of epoxy resin, and the copper connecting post and the bus bar connected thereto are covered with a silicone rubber layer;
本发明固体绝缘全封闭环网柜, 其中: 所述真空泡的外壁四周有一层与壳体粘合在一起 的硅橡胶层; The solid insulated fully enclosed ring network cabinet of the present invention, wherein: the outer wall of the vacuum bubble is surrounded by a layer of silicone rubber bonded to the casing;
本发明固体绝缘全封闭环网柜, 其中: 所述环氧树脂的壳体的壁厚为 10mm— 15mm, 硅 橡胶层的壁厚为 8讓一 10讓; The solid insulated fully enclosed ring network cabinet of the present invention, wherein: the epoxy resin has a wall thickness of 10 mm - 15 mm, and the silicon rubber layer has a wall thickness of 8 to 10;
本发明固体绝缘全封闭环网柜, 其中: 所述环氧树脂为 208:。 The solid insulated fully enclosed ring network cabinet of the present invention, wherein: the epoxy resin is 208:.
采用上述方案后, 本发明固体绝缘全封闭环网柜, 由于采用了全封闭固体封装高压真空 开关, 不会产生爬电现象, 从而提高了绝缘的等级, 在安全性及节约能源性能上有着显著的 效果, 由于隔绝了空气、 水气、 灰尘及冷热气源, 有效地减缓了电源体的腐蚀, 稳定了电源 电压的输出,减少设备的维护次数, 降低费用成本, 延长了环网柜的使用寿命; 做到可视化、 具有安全感, 取得很高的经济效益。 After adopting the above scheme, the solid insulated fully enclosed ring network cabinet of the present invention has a high-voltage vacuum switch with a fully enclosed solid package, which does not cause creepage, thereby improving the insulation level, and has significant safety and energy saving performance. The effect is that the air, moisture, dust and hot and cold air sources are isolated, effectively reducing the corrosion of the power supply body, stabilizing the output of the power supply voltage, reducing the number of maintenance of the equipment, reducing the cost, and prolonging the ring network cabinet. Service life; to achieve visualization, security, and high economic benefits.
本发明固体绝缘环网柜的其它细节和特点可通过阅读下文结合附图祥加描述的实施例 便可清楚明了。 Other details and features of the solid insulated ring network cabinet of the present invention will be apparent upon reading the embodiments described hereinafter.
附图说明 DRAWINGS
图 1是本发明固体绝缘全封闭环网柜的总体图; Figure 1 is a general view of the solid insulated fully enclosed ring network cabinet of the present invention;
图 2是图 1的仰视图; Figure 2 is a bottom view of Figure 1;
图 3是图 1的俯视图;
图 4是本发明固体绝缘全封闭环网柜的单个高压真空开关组结构示意图; 图 5是图 4的侧视图。 Figure 3 is a plan view of Figure 1; 4 is a schematic structural view of a single high-pressure vacuum switch unit of the solid insulated fully enclosed ring network cabinet of the present invention; and FIG. 5 is a side view of FIG.
具体实施方式 detailed description
如图 1所示为本发明固体绝缘全封闭环网柜总体图, 其包括三路高压真空开关, 结合图 2、 图 3所示的环网柜仰视图和环网柜的俯视图, 可以看出固体绝缘环网柜母线的走线方式, 高压真空开关 1由壳体 2、 罩体 23、 轨迹架 22、 主开关 3、 隔离刀 4、 接地触头 16、 母线 7、 T形触头 17、 软铜带 20、 双通套管 33和接地传动轴 14组成, 罩体 23装在壳体 2的上方, 轨迹架 22的一端固定在罩体 23上, 母线 7和接地触头 16分别装在壳体 2的下端, 主开关 3和隔离刀 4装在罩体 23和壳体 2组成的空间内, 双通套管 33装在壳体 2的一侧, 接地传 动轴 14装在双通套管 33上端的罩体 23上, T形触头 17装在壳体 2内, 软铜带 20的一端 与主开关 3相连, 另一端与 T形触头 17相连, 主开关 3的上端与轨迹架 22的另一端相连, 主开关 3的下端与母线 7相连; 隔离刀 4的一端与双通套管 33铰接, 它的上端与接地传动 轴 14相连,它的下端与接地触头 16或 T形触头 17相连,壳体 2壁厚 10mm,壳体 2由 208L 环氧树脂制成。 FIG. 1 is a general view of a solid insulated fully enclosed ring network cabinet according to the present invention, which includes a three-way high-pressure vacuum switch, and the bottom view of the ring network cabinet and the top view of the ring network cabinet shown in FIG. 2 and FIG. 3 can be seen. The wiring mode of the solid insulated ring network cabinet busbar, the high voltage vacuum switch 1 is composed of a housing 2, a cover 23, a track frame 22, a main switch 3, an isolating knife 4, a grounding contact 16, a bus bar 7, a T-shaped contact 17, The soft copper strip 20, the double-pass bushing 33 and the grounding drive shaft 14 are formed. The cover body 23 is mounted above the casing 2. One end of the track frame 22 is fixed on the cover body 23, and the bus bar 7 and the ground contact 16 are respectively mounted on The lower end of the casing 2, the main switch 3 and the isolating blade 4 are housed in the space formed by the casing 23 and the casing 2, the double-pass bushing 33 is mounted on one side of the casing 2, and the grounding transmission shaft 14 is mounted on the double-passing sleeve On the cover 23 at the upper end of the tube 33, the T-shaped contact 17 is housed in the housing 2, one end of the soft copper strip 20 is connected to the main switch 3, and the other end is connected to the T-shaped contact 17, the upper end of the main switch 3 and the trajectory The other end of the frame 22 is connected, and the lower end of the main switch 3 is connected to the bus bar 7; one end of the isolating blade 4 The double-pass bushing 33 is hinged, the upper end of which is connected to the grounding drive shaft 14, the lower end of which is connected to the grounding contact 16 or the T-shaped contact 17, the wall thickness of the casing 2 is 10 mm, and the casing 2 is made of 208L epoxy resin. .
结合图 4及图 5所示的单个高压真空开关组结构示意图,主开关 3包括:传动轴拐臂 31、 方拉杆 28、 连接片 32、 导向套 24、 绝缘拉杆 21、 隔离方轴 38、 触头簧 25、 分闸簧 26、 双 头螺杆 27、 真空泡 18和铜连接柱 6, 分间簧 26—端与方拉杆 28固定在一起, 另一端固定 于焊接在壳体支撑板上的轨迹架上 22上, 传动轴拐臂 31—端套接于隔离方轴 38, 另一端 铰接在方拉杆 28的一端上, 隔离方轴 38固定在罩体 23上, 方拉杆 28的另一端同连接片 32铰接, 连接片 32的另一端与螺杆连接, 螺杆的螺纹连接导向套 24, 绝缘拉杆 21的上端 伸入到导向套 24内并由导向套 24导向, 绝缘拉杆 21的下端与双头螺杆 27连接, 绝缘拉杆 21上端和下端为去掉绝缘层的拉杆, 绝缘拉杆 21外套有硅橡胶制成的许多个硅胶环 37, 在 若干个硅胶环 37之间装有硅胶伞圈 34, 在最上端的硅胶伞圈 34与导向套 24之间装有触头 簧 25, 双头螺杆 27的下部与真空泡 18上端的动触头 29和软铜带 20连接, 真空泡 18下端 的动触头 29与铜连接柱 6连接, 铜连接柱 6与母线 7连接。真空泡 18的内壁四周有一层硅 胶层 8。铜连接柱 6的另一端与母线 7连接, 该铜连接柱 6和母线 7外面包覆有硅橡胶层 8, 该硅橡胶层 8壁厚为 8mm。 4 and FIG. 5, the main switch 3 includes: a drive shaft arm 31, a square pull rod 28, a connecting piece 32, a guide sleeve 24, an insulating rod 21, an isolation square shaft 38, and a touch. The head spring 25, the branch spring 26, the double-headed screw 27, the vacuum bubble 18 and the copper connecting post 6, the split spring 26-end is fixed to the square pull rod 28, and the other end is fixed to the track welded on the housing support plate. On the frame 22, the drive shaft arm 31 is sleeved on the isolation square shaft 38, the other end is hinged on one end of the square rod 28, the isolation square shaft 38 is fixed on the cover body 23, and the other end of the square pull rod 28 is connected. The piece 32 is hinged, the other end of the connecting piece 32 is connected with the screw, and the screw thread is connected to the guiding sleeve 24. The upper end of the insulating rod 21 extends into the guiding sleeve 24 and is guided by the guiding sleeve 24, and the lower end of the insulating rod 21 and the double-headed screw 27 connection, the upper end and the lower end of the insulating rod 21 are pull rods for removing the insulating layer, the insulating rod 21 is covered with a plurality of silicone rings 37 made of silicone rubber, and a silicone umbrella ring 34 is arranged between the plurality of silicone rings 37, at the uppermost end A contact spring 25 is disposed between the silicone umbrella ring 34 and the guide sleeve 24. The lower portion of the double-headed screw 27 is connected to the movable contact 29 of the upper end of the vacuum bubble 18 and the soft copper strip 20, and the movable contact 29 of the lower end of the vacuum bubble 18 Connected to the copper connection post 6, the copper connection post 6 is connected to the bus bar 7. A layer of silicone glue 8 is placed around the inner wall of the vacuum bubble 18. The other end of the copper connecting post 6 is connected to the bus bar 7, and the copper connecting post 6 and the bus bar 7 are covered with a silicone rubber layer 8, and the silicone rubber layer 8 has a wall thickness of 8 mm.
如图 5所示, 所述隔离刀 4包括: 拐臂 9、 隔离拉杆 10、 隔离传动轴 12、 齿轮机构 13 和隔离刀片 11, 隔离拉杆 10两端分别与拐臂 9和隔离刀片 11铰接在一起, 拐臂 9另一端
与隔离传动轴 12相连, 隔离传动轴 12通过齿轮机构 13由接地传动轴 14带动其转动, 隔离 传动轴 12支承在罩体 23上, 所述隔离刀片 11一端铰接在双通套管 33上, 另一端可开合地 分别与与壳体 2上的接地触头 16或 T形触头 7相连。 As shown in FIG. 5, the isolating blade 4 includes: a crank arm 9, an isolating tie rod 10, an isolating transmission shaft 12, a gear mechanism 13 and an isolating blade 11, and the two ends of the isolating tie rod 10 are respectively hinged with the arm 9 and the isolating blade 11 Together, the other end of the arm 9 The isolated drive shaft 12 is connected to the driven shaft 12 through the gear mechanism 13 to drive the ground. The isolated drive shaft 12 is supported on the cover body 23. The one end of the isolating blade 11 is hinged on the double-passing sleeve 33. The other end is openably connected to the ground contact 16 or the T-shaped contact 7 on the housing 2, respectively.
本发明固体绝缘环网柜的高压真空开关工作原理是: 当主开关 3的动触头 29与静触头 35断开时, 主开关 3断开。 当主开关 3的动触头 29与静触头 35接触时, 接地传动轴 14顺 时针转动, 通过齿轮加工 13带动隔离传动轴 12和拐臂 9, 拐臂 9带动隔离拉杆 10 运动, 隔离拉杆 10带动隔离刀片 11向上运动, 使隔离刀片 11与 T形触头 17连接, 完成了合闸的 过程。 接地传动轴 14逆时针转动, 通过齿轮加工 13带动隔离传动轴 12和拐臂 9, 拐臂 9 带动隔离拉杆 10 运动, 隔离拉杆 10带动隔离刀片 11 向下运动, 使隔离刀片 11与接地触 头 16连接, 完成了分闸的过程。 The working principle of the high-pressure vacuum switch of the solid insulated ring network cabinet of the present invention is: When the movable contact 29 of the main switch 3 is disconnected from the static contact 35, the main switch 3 is disconnected. When the moving contact 29 of the main switch 3 is in contact with the fixed contact 35, the grounding drive shaft 14 rotates clockwise, and the isolated drive shaft 12 and the arm 9 are driven by the gear processing 13, and the arm 9 drives the isolation rod 10 to move, and the isolation rod 10 is isolated. The isolation blade 11 is driven to move upward, and the isolation blade 11 is connected to the T-shaped contact 17, completing the closing process. The grounding drive shaft 14 rotates counterclockwise, and the isolated drive shaft 12 and the arm 9 are driven by the gear processing 13. The arm 9 drives the isolation rod 10 to move, and the isolation rod 10 drives the isolation blade 11 to move downward, so that the isolation blade 11 and the ground contact 16 connections, complete the process of opening.
本发明固体绝缘全封闭环网柜, 由于采用了全封闭固体封装高压真空开关 1, 其传动结 构简单, 占用空间小, 动作灵活, 便于安装及调试维修; 在绝缘拉杆 21外套有硅橡胶制成 的若干个硅胶环 37, 增加了绝缘拉杆 21的绝缘性能, 不会产生爬电现象, 从而提高了绝缘 的等级,在安全性及节约能源性能上有着显著的效果; 而壳体 2采用环氧树脂、铜连接柱 6、 母线 7外及真空泡 18外均涂覆硅胶, 因此本发明固体绝缘全封闭环网柜的高压真空开关 1 隔绝了空气、水气、灰尘及冷热气源,有效地减缓了电源体的腐蚀,稳定了电源电压的输出, 减少设备的维护次数, 降低费用成本, 延长了环网柜的使用寿命; 做到可视化、具有安全感, 取得很高的经济效益。 The solid insulated fully enclosed ring network cabinet of the invention adopts a fully enclosed solid package high voltage vacuum switch 1, and has a simple transmission structure, small occupied space, flexible movement, convenient installation, debugging and maintenance; the insulating rod 21 is made of silicone rubber. A plurality of silicone rings 37 increase the insulation performance of the insulating tie rods 21, which does not cause creepage, thereby improving the insulation level, and has a remarkable effect on safety and energy saving performance; and the casing 2 is made of epoxy. The resin, the copper connecting post 6, the busbar 7 and the vacuum bubble 18 are coated with silica gel. Therefore, the high-pressure vacuum switch 1 of the solid insulated fully enclosed ring network cabinet of the present invention isolates air, moisture, dust and hot and cold gas sources, effectively The ground slows down the corrosion of the power supply body, stabilizes the output of the power supply voltage, reduces the number of maintenance of the equipment, reduces the cost, and prolongs the service life of the ring network cabinet; it is visualized, has a sense of security, and achieves high economic benefits.
凡在本发明的精神和原则之内所作的任何修改、 等同替换、 改进等, 均包含在本发明范 围内。
Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention are included in the scope of the present invention.
Claims
1、 一种固体绝缘全封闭环网柜, 包括至少一路进线和至少一路出线, 每 路包括三相高压真空开关单元 (1 ), 所述高压真空开关单元 (1 ) 由壳体 (2)、 罩 体 (23)、 轨迹架 (22)、 主开关 (3)、 隔离刀 (4)、 接地触头 (16)、 母线 (7)、 T形触头(17)、软铜带(20)、双通套管(33)和接地传动轴(14)组成, 罩体(23) 装在壳体 (2 ) 的上方, 轨迹架 (22 ) 的一端固定在罩体 (23 ) 上, 母线 (7 ) 和 接地触头 (16) 分别装在壳体 (2 ) 的下端, 主开关 (3) 和隔离刀 (4) 装在罩体1. A solid insulated fully enclosed ring network cabinet comprising at least one incoming line and at least one outgoing line, each path comprising a three-phase high voltage vacuum switch unit (1), said high voltage vacuum switch unit (1) being by a housing (2) , cover (23), track frame (22), main switch (3), isolation knife (4), ground contact (16), bus bar (7), T-shaped contact (17), soft copper strip (20 ), a double-pass bushing (33) and a grounding drive shaft (14), the cover body (23) is mounted above the casing (2), and one end of the track frame (22) is fixed on the cover body (23), the bus bar (7) and the grounding contact (16) are respectively mounted on the lower end of the housing (2), and the main switch (3) and the isolating blade (4) are mounted on the cover
( 23 ) 和壳体 (2) 组成的空间内, 双通套管 (33 ) 装在壳体 (2 ) 的一侧, 接地 传动轴 (14)装在双通套管 (33) 上端的罩体 (23) 上, T形触头 (17)装在壳体(23) In the space composed of the casing (2), the double-pass bushing (33) is mounted on one side of the casing (2), and the grounding transmission shaft (14) is mounted on the upper end of the double-passing bushing (33). On the body (23), the T-shaped contact (17) is mounted on the housing
( 2) 内, 软铜带 (20) 的一端与主开关 (3) 相连, 另一端与 T形触头 (17) 相 连, 其特征在于: 所述主开关 (3) 的上端与轨迹架 (22) 的另一端相连, 主开关(2) Inside, the soft copper strip (20) has one end connected to the main switch (3) and the other end connected to the T-shaped contact (17), characterized in that: the upper end of the main switch (3) and the track frame ( 22) connected to the other end, main switch
( 3) 的下端与母线 (7) 相连; 隔离刀 (4) 的一端与双通套管 (33) 铰接, 它的 上端与接地传动轴 (14) 相连, 它的下端与接地触头 (16) 或 T形触头 (17) 相 连。 The lower end of (3) is connected to the busbar (7); one end of the isolating blade (4) is hinged to the double-pass bushing (33), and its upper end is connected to the grounding drive shaft (14), and its lower end is connected to the grounding contact (16). ) or T-shaped contacts (17) are connected.
2、 根据权利要求 1 所述的固体绝缘全封闭环网柜, 其特征在于: 所述隔 离刀 (4) 包括: 拐臂 (9)、 隔离拉杆 (10)、 隔离传动轴 (12)、 齿轮机构 (13) 和隔离刀片(11 ), 所述隔离拉杆(10)两端分别与所述拐臂(9)和隔离刀片(11 ) 铰接在一起,所述拐臂(9)另一端与隔离传动轴(12)相连,所述隔离传动轴(12) 通过齿轮机构 (13) 由接地传动轴 (14) 带动其转动, 所述隔离传动轴 (12) 支 承在所述罩体 (23) 上, 所述隔离刀片 (11 ) 一端铰接在双通套管 (33 ) 上, 另 一端可开合地分别与壳体 (2) 上的接地触头 (16) 或 T形触头 (17) 相连。 2. The solid insulated fully enclosed ring network cabinet according to claim 1, wherein: the isolating blade (4) comprises: an arm (9), an isolating tie rod (10), an isolated drive shaft (12), a gear The mechanism (13) and the isolating blade (11), the two ends of the isolating tie rod (10) are respectively hinged with the arm (9) and the isolating blade (11), and the other end of the arm (9) is isolated The transmission shaft (12) is connected, and the isolated transmission shaft (12) is rotated by a grounding transmission shaft (14) through a gear mechanism (13), and the isolated transmission shaft (12) is supported on the cover body (23) The one end of the isolating blade (11) is hinged on the double-pass bushing (33), and the other end is openably connected to the grounding contact (16) or the T-shaped contact (17) on the casing (2). .
3、 根据权利要求 2所述的固体绝缘全封闭环网柜, 其特征在于: 所述主 开关 (3) 包括: 方拉杆 (28)、 连接片 (32)、 导向套 (24)、 隔离方轴 (38)、 传 动轴拐臂 (31 )、 绝缘拉杆 (21 )、 触头簧 (25)、 分闸簧 (26)、 双头螺杆 (27)、 铜连接柱 (6 ) 和真空泡 (18 ), 所述分闸簧 (26 ) —端与方拉杆 (28) 固定在一 起, 另一端固定于焊接在壳体(2)支撑板上的轨迹架(22)上, 传动轴拐臂 (31 ) 一端套接于隔离方轴(38), 另一端铰接在方拉杆(28)的一端上,、隔离方轴(38) 固定在罩体 (23 ) 上, 方拉杆 (28) 的另一端同连接片 (32) 的一端铰接, 连接 片 (32) 的另一端与螺杆连接, 螺杆的螺纹连接导向套 (24), 绝缘拉杆 (21 ) 上 3. The solid insulated fully enclosed ring network cabinet according to claim 2, wherein: the main switch (3) comprises: a square tie rod (28), a connecting piece (32), a guiding sleeve (24), and an isolating side. Shaft (38), drive shaft arm (31), insulation rod (21), contact spring (25), branch spring (26), double-head screw (27), copper connection post (6) and vacuum bubble ( 18), the opening spring (26) end is fixed to the square pull rod (28), and the other end is fixed on the track frame (22) welded on the support plate of the casing (2), the drive shaft arm ( 31) One end is sleeved on the isolating square shaft (38), the other end is hinged on one end of the square pull rod (28), the isolating square shaft (38) is fixed on the cover body (23), and the other end of the square pull rod (28) One end of the connecting piece (32) is hinged, the other end of the connecting piece (32) is connected with the screw, and the threaded connection of the screw is connected to the guiding sleeve (24), the insulating rod (21)
1
端伸入到导向套 (24) 内并由导向套 (24) 导向, 绝缘拉杆 (21) 下端与双头螺 杆 (27) 连接, 绝缘拉杆 (21) 上端和下端为去掉绝缘层的拉杆, 绝缘拉杆 (21) 外套有硅橡胶制成的许多个硅胶环 (37), 在若干个硅胶环 (37) 之间装有硅胶伞 圈 (34), 在最上端的硅胶伞圈 (34) 与导向套 (24) 之间装有触头簧 (25), 双 头螺杆 (27) 的下部与真空泡 (18) 的上端和软铜带 (20) 的一端连接, 真空泡 (18) 的下端与铜连接柱 (6) 连接, 铜连接柱 (6) 与母线 (7) 连接。 1 The end protrudes into the guiding sleeve (24) and is guided by the guiding sleeve (24). The lower end of the insulating rod (21) is connected with the double-headed screw (27), and the upper end and the lower end of the insulating rod (21) are the rods with the insulating layer removed, and the insulation is insulated. The drawbar (21) is jacketed with a number of silicone rings (37) made of silicone rubber. A silicone umbrella ring (34) is placed between several silicone rings (37). The top silicone ring (34) and guide sleeve are placed on the top. (24) A contact spring (25) is installed between the lower end of the double-headed screw (27) and the upper end of the vacuum bubble (18) and one end of the soft copper strip (20), and the lower end of the vacuum bubble (18) is copper. The connecting post (6) is connected, and the copper connecting post (6) is connected to the busbar (7).
4、 根据权利要求 3所述的固体绝缘全封闭环网柜, 其特征在于: 所述真 空泡 (18) 的上端装有动触头 (29), 下端装有静触头 (35), 双头螺杆 (27) 的 下部和软铜带 (20) 与动触头 (29) 相连, 铜连接柱 (6) 与静触头 (35) 相连。 4. The solid insulated fully enclosed ring network cabinet according to claim 3, wherein: the upper end of the vacuum bubble (18) is provided with a movable contact (29), and the lower end is provided with a static contact (35), The lower part of the head screw (27) and the soft copper strip (20) are connected to the movable contact (29), and the copper connecting post (6) is connected to the stationary contact (35).
5、 根据权利要求 4所述的固体绝缘全封闭环网柜, 其特征在于: 所述壳 体 (2) 由环氧树脂制成, 所述铜连接柱 (6) 和与之相连的母线 (7) 外面包覆硅 橡胶层 (8)。 5. The solid insulated fully enclosed ring network cabinet according to claim 4, wherein: said casing (2) is made of epoxy resin, said copper connecting column (6) and a bus bar connected thereto ( 7) The outer layer is covered with a silicone rubber layer (8).
6、 根据权利要求 5所述的固体绝缘全封闭环网柜, 其特征在于: 所述真 空泡 (18) 的外壁四周有一层与壳体 (2) 粘合在一起的硅橡胶层 (8)。 6. The solid insulated fully enclosed ring network cabinet according to claim 5, wherein: the outer wall of the vacuum bubble (18) is surrounded by a layer of silicone rubber bonded to the casing (2) (8). .
7、 根据权利要求 5或 6所述的固体绝缘全封闭环网柜, 其特征在于: 所述环 氧树脂的壳体 (2) 的壁厚为 10mm— 15mm, 硅橡胶层 (8) 的壁厚为 8mm— 10mm。 The solid insulated fully enclosed ring network cabinet according to claim 5 or 6, wherein: the epoxy resin shell (2) has a wall thickness of 10 mm - 15 mm, and the wall of the silicone rubber layer (8) The thickness is 8mm - 10mm.
8、 根据权利要求 7所述的固体绝缘全封闭环网柜, 其特征在于: 所述环 氧树脂为 208L。 8. The solid insulated hermetic ring network cabinet according to claim 7, wherein: said epoxy resin is 208L.
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Cited By (8)
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CN106208067A (en) * | 2016-08-30 | 2016-12-07 | 温州电力设计有限公司 | A kind of double loop anti-harmonic capacitor |
CN106208387A (en) * | 2016-08-30 | 2016-12-07 | 温州电力设计有限公司 | A kind of intelligent distribution system |
CN107765044A (en) * | 2017-11-03 | 2018-03-06 | 中国南方电网有限责任公司超高压输电公司检修试验中心 | Converter power transformer temperature rise test converting switch device |
CN107765044B (en) * | 2017-11-03 | 2023-09-26 | 中国南方电网有限责任公司超高压输电公司检修试验中心 | Change-over transformer temperature rise test is with change-over switch device |
CN108134337A (en) * | 2017-12-27 | 2018-06-08 | 上海正昊电力科技有限公司 | Breaker module and the environmentally friendly gas-insulated ring network cabinet for including it |
CN109360765A (en) * | 2018-11-16 | 2019-02-19 | 湖北上科电气有限公司 | A kind of isolation knife device for vacuum load switch |
CN110768153A (en) * | 2019-11-07 | 2020-02-07 | 广东北江开关厂有限公司 | Lower isolation belt ground knife fixed high-voltage ring main unit structure |
CN110768153B (en) * | 2019-11-07 | 2024-06-11 | 清远市新能电力工程有限公司 | Fixed high-voltage ring main unit structure of lower median ground sword |
TWI758711B (en) * | 2019-11-27 | 2022-03-21 | 日商三菱電機股份有限公司 | Grounding device, distribution board and manufacturing method of grounding device |
CN112509848A (en) * | 2020-11-27 | 2021-03-16 | 河南平高通用电气有限公司 | A earthing switch electrically-operated device for looped netowrk cabinet is experimental |
CN112509848B (en) * | 2020-11-27 | 2023-11-17 | 河南平高通用电气有限公司 | Electric operating device of grounding switch for ring main unit test |
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