CN118248492A - Vertical arrangement gas insulation type closed outdoor high-voltage alternating current isolating switch - Google Patents
Vertical arrangement gas insulation type closed outdoor high-voltage alternating current isolating switch Download PDFInfo
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- CN118248492A CN118248492A CN202410676476.0A CN202410676476A CN118248492A CN 118248492 A CN118248492 A CN 118248492A CN 202410676476 A CN202410676476 A CN 202410676476A CN 118248492 A CN118248492 A CN 118248492A
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- Gas-Insulated Switchgears (AREA)
Abstract
The invention relates to the technical field of isolating switches, in particular to a vertical gas-insulated outdoor high-voltage alternating-current isolating switch, which comprises the following components: a connection module; a support module; the composite insulating sleeve is arranged between the connecting module and the supporting module and is electrically connected with the connecting module; the conductive module comprises a fixed contact unit and a movable contact unit which are arranged in the composite insulating sleeve, and realizes insulation to the ground and the interphase through a supporting insulator; the movable contact unit of the isolating switch is driven by the composite insulating driving rod of the adjusting module, so that the movable contact unit and the fixed contact unit are separated or contacted. According to the invention, the static contact unit and the moving contact unit are sealed inside the composite insulating sleeve and isolated from the external environment, so that faults caused by damage to the diversion part due to flying birds, foreign matters and the like are avoided, and meanwhile, the phenomenon of heating caused by poor contact of the diversion part due to long-term exposure to the external environment is avoided.
Description
Technical Field
The invention relates to the technical field of isolating switches, in particular to a vertically arranged gas-insulated closed outdoor high-voltage alternating-current isolating switch.
Background
The isolating switch is the most applied equipment in the power system, and the main functions include: the live operation and power failure overhaul equipment is isolated, so that the overhaul operation safety is ensured; the operation mode of the system is changed by matching with switching operation; the small current circuit is opened and closed. Although the operating principle and the structure of the isolating switch are relatively simple, the operating state of the isolating switch has a larger influence on the safety and stability of a power grid, and the isolating switch is key equipment with a larger influence on the reliability of facilities in a power system.
At present, a large number of fully-open outdoor high-voltage alternating current isolating switches still run in a power system and are easily influenced by external environments (rainwater, wind sand, pollution and the like), conductive contact between a conductive actuator and a static contact is degraded, the actual current capacity is obviously reduced compared with rated current indexes of nameplates due to arc ablation and heating, the porcelain insulator is supported to be stressed complex and easy to age and break, and the design and the utilization of the power transformation capacity are greatly restricted.
In addition, the large operation work of the isolating switch requires that the transmission part of the isolating switch is made of metal materials, and the operation failure of the isolating switch caused by rust and jamming of the transmission metal part often occurs under the long-time corrosion of the metal transmission part in the external environment, particularly in the high-pollution-level area.
In order to solve the above problems, the following technical solutions are generally adopted:
For example, chinese patent (CN 111933475A) discloses a high-strength anti-aging totally-enclosed outdoor high-voltage ac isolating switch, which includes a chassis, a first pillar insulator, a second pillar insulator, a conductive loop, a static side contact finger seat, and a dynamic side contact finger seat; the conducting loop adopts a fully-closed structure, and after the isolating switch is closed, the conducting loop is fully closed in the insulating material.
The above-mentioned document also provides a rubber cladding material, through cladding conductive knife, make insulating layer and conductor laminating inseparable, improve isolator reliability.
The technical scheme provided by the above document isolates the direct contact between the isolating switch conductive loop and the external environment to a certain extent, but the situation that the coating layer bursts and is damaged due to heat aging often occurs due to poor heat dissipation and mechanical properties of the rubber material. Meanwhile, the isolating switch still adopts the traditional metal transmission part, and the corrosion damage problem is also obvious.
Disclosure of Invention
Therefore, the technical problem to be solved by the invention is to overcome the direct contact between the conductive loop of the isolating switch and the external environment in the prior art, and the conditions of bursting and breakage of the coating layer due to thermal aging often occur, so that the corrosion damage of the isolating switch is aggravated.
In order to solve the technical problems, the invention provides a vertical gas-insulated outdoor high-voltage alternating-current isolating switch.
The technical scheme adopted by the invention is as follows:
A vertically arranged, gas insulated, closed outdoor high voltage ac disconnector comprising:
the connecting module comprises a static end conductive fixing plate and a flow guide carrier arranged on one side of the static end conductive fixing plate;
The support module comprises a movable end conductive fixing plate, a protection piece fixedly connected with the movable end conductive fixing plate and an air charging and discharging valve arranged in the protection piece;
the composite insulating sleeve is arranged between the static end conductive fixing plate and the movable end conductive fixing plate and is electrically connected with the flow guide carrier; the charging and discharging valve is used for injecting and discharging insulating gas into the composite insulating sleeve;
The conductive module comprises a fixed contact unit and a movable contact unit which are arranged in the composite insulating sleeve;
The grounding module comprises a grounding switch fixed contact fixed on the movable end conductive fixed plate and a movable conductive rod with a grounding switch movable contact, and the grounding switch fixed contact and the grounding switch movable contact can be separated or contacted;
the adjusting module comprises a supporting transmission insulator and a composite insulation transmission rod arranged in the supporting transmission insulator, and the composite insulation transmission rod is connected with the movable contact unit through a universal coupler;
And the second operation module controls the composite insulation transmission rod to rotate so that the movable contact unit and the fixed contact unit are separated or contacted.
Preferably, the flow guiding carrier comprises a bus connecting conductive clamp and a copper strip flexibly connected with the bus connecting conductive clamp, and the bus connecting conductive clamp is connected with a bus bolt.
Preferably, the static contact unit comprises a static end base, a static end conductive main body connected with the static end base, a static side arc contact spring arranged in the static end conductive main body, a static side arc contact connected with the static side arc contact spring, a static contact finger connected with the static end conductive main body and a first shielding cover surrounding the static contact finger.
Preferably, the static contact unit further comprises a first insulating concentric positioning disc sleeved on the static end conductive main body.
Preferably, the moving contact unit comprises a moving end base, a moving end fixed conductive main body connected with the moving end base, a moving end moving conductive main body arranged in the moving end fixed conductive main body, a transmission screw arranged in the moving end moving conductive main body, an insulating sleeve arranged at one end of the transmission screw, a moving contact arranged at the end part of the moving end moving conductive main body and capable of being contacted with the static side arc contact, a moving end conductive contact finger contacted with the moving end moving conductive main body, a second shielding cover surrounding the moving end conductive contact finger, and an insulating positioning ring arranged close to the moving end conductive contact finger and arranged at the inner side of the moving end fixed conductive main body; the insulating sleeve is connected with the composite insulating transmission rod.
Preferably, the moving contact unit further comprises an insulating positioning disc block arranged at one end of the transmission screw and arranged in the moving-end moving conductive main body, a second insulating concentric positioning disc sleeved on the moving-end fixed conductive main body, and a positioning plate fixed at the end part of the moving-end moving conductive main body.
Preferably, the insulating gas is one of SF6、N2、SF6/N2、C4F7N/CO2、C4F7N/O2/CO2.
Preferably, the protection piece is a protection cover, and the protection cover is buckled on the movable end conductive fixing plate.
Preferably, the grounding switch further comprises a first operation module, and the first operation module controls the grounding switch fixed contact and the grounding switch movable contact to be separated or contacted.
Preferably, the device further comprises a support base, and the support transmission insulator is arranged between the movable end conductive fixing plate and the support base.
Compared with the prior art, the technical scheme of the invention has the following advantages:
the vertical arrangement gas-insulated type closed outdoor high-voltage alternating current isolating switch provided by the invention has the advantages that the diversion part, namely the static contact unit and the moving contact unit, is completely sealed inside the composite insulating sleeve and isolated from the external environment, so that faults caused by damage to the diversion part due to flying birds, foreign matters and the like are avoided, and meanwhile, the phenomenon of heating caused by poor contact due to corrosion, oxidation, vibration and the like caused by long-term exposure of the diversion part in the external environment is avoided.
Meanwhile, insulating gases such as sulfur hexafluoride (SF 6) with certain pressure are filled in the composite insulating sleeve, so that the arc extinguishing capability of the isolating switch can be improved, the opening distance between the movable contact and the fixed contact is reduced, the structure of the insulating sleeve is more compact, and the space occupation between the isolating switch is reduced.
In addition, the vertical arrangement gas-insulated outdoor high-voltage alternating current isolating switch has small operation work required by switching on and off, and the supporting insulator and the insulating transmission part can be made of organic composite epoxy glass insulating materials with light weight and excellent antifouling property, so that the service life of the isolating switch can be greatly prolonged while the effective switching on and off of the isolating switch is ensured.
Therefore, the vertical arrangement gas-insulated type closed outdoor high-voltage alternating current isolating switch has strong capability of resisting the influence of external environment, meets the requirement of long-term reliable operation of the isolating switch, greatly reduces the workload of operation and maintenance staff, and has development of the power production industry.
Drawings
In order that the invention may be more readily understood, a more particular description of the invention will be rendered by reference to specific embodiments thereof that are illustrated in the appended drawings.
Fig. 1 is a schematic diagram of a vertically arranged gas insulated enclosed outdoor high voltage ac disconnector according to the invention.
Fig. 2 is an enlarged schematic view at a in fig. 1.
Fig. 3 is an enlarged schematic view at B in fig. 1.
Fig. 4 is a schematic view of a stationary contact unit in the present invention.
Fig. 5 is a schematic view of a movable contact unit in the present invention.
Fig. 6 is a schematic diagram showing connection between the movable end fixing conductive body and the positioning plate in the present invention.
Description of the specification reference numerals: 1. the bus is connected with the conductive clamp; 2. a bus; 3. copper strips; 4. static end conductive fixing plate; 5. a composite insulating sleeve; 6. a stationary contact unit; 61. a stationary end base; 62. a stationary end conductive body; 63. a stationary side arcing contact spring; 64. a stationary side arcing contact; 65. a first insulating concentric locating disk; 66. a fixed contact finger; 67. a first shield; 7. a moving contact unit; 71. a moving contact; 72. a second shield; 73. an insulating positioning disc block; 74. a movable end conductive contact finger; 75. an insulating positioning ring; 76. a second insulating concentric locating disk; 77. the movable end moves the conductive main body; 78. the movable end is fixed with the conductive main body; 79. a drive screw; 710. a positioning plate; 711. an insulating sleeve; 712. a moving end base; 8. a protective member; 9. a gas charging and discharging valve; 10. a movable end conductive fixing plate; 11. a universal coupling; 12. a composite insulating transmission rod; 13. a movable conductive rod; 14. supporting a transmission insulator; 15. a support base; 16. a first operation module; 17. and a second operation module.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and specific examples, which are not intended to be limiting, so that those skilled in the art will better understand the invention and practice it.
The foregoing and other features, aspects and advantages of the present invention will become more apparent from the following detailed description of the embodiments, read in conjunction with the accompanying drawings. The directional terms mentioned in the following embodiments are, for example: upper, lower, left, right, front or rear, etc., are merely references to the directions of the drawings. Thus, directional terminology is used for the purpose of illustration and is not intended to be limiting of the invention, and furthermore, like reference numerals refer to like elements throughout the embodiments.
Referring to fig. 1 to 3, a vertically arranged gas insulated type outdoor high voltage ac disconnecting switch includes:
the connecting module comprises a static end conductive fixing plate 4 and a flow guide carrier arranged on one side of the static end conductive fixing plate 4;
the support module comprises a movable end conductive fixing plate 10, a protection piece 8 fixedly connected with the movable end conductive fixing plate 10 and an air charging and discharging valve 9 arranged in the protection piece 8;
The composite insulating sleeve 5 is arranged between the static end conductive fixed plate 4 and the movable end conductive fixed plate 10 and is electrically connected with the diversion carrier; the air charging and discharging valve 9 is used for injecting and discharging insulating gas into the composite insulating sleeve 5;
The conductive module comprises a fixed contact unit 6 and a movable contact unit 7 which are arranged in the composite insulating sleeve 5;
The grounding module comprises a grounding switch fixed contact fixed on the movable end conductive fixed plate 10 and a movable conductive rod 13 with a grounding switch movable contact, wherein the grounding switch fixed contact and the grounding switch movable contact can be separated or contacted;
The adjusting module comprises a supporting transmission insulator 14 and a composite insulation transmission rod 12 arranged in the supporting transmission insulator 14, wherein the composite insulation transmission rod 12 is connected with the movable contact unit 7 through a universal coupler 11;
the second operation module 17 controls the composite insulation transmission rod 12 to rotate so that the movable contact unit 7 and the fixed contact unit 6 are separated or contacted.
The embodiment provides a vertical arrangement gas insulation type closed outdoor high-voltage alternating current isolating switch (which can be simply called an isolating switch), wherein a diversion part, namely a static contact unit 6 and a moving contact unit 7, are all sealed inside a composite insulating sleeve 5 and isolated from the external environment, thereby avoiding faults caused by damage to the diversion part due to flying birds, foreign matters and the like, and simultaneously avoiding the phenomenon of heating caused by poor contact due to corrosion, oxidation, vibration and the like when the diversion part is exposed in the external environment for a long time; and because the vertically arranged gas-insulated outdoor high-voltage alternating current isolating switch has small operation work required by opening and closing, and the supporting insulator and the insulating transmission part can be made of organic composite epoxy glass insulating materials with light weight and excellent antifouling property, the service life of the isolating switch can be greatly prolonged while the effective opening and closing of the isolating switch is ensured.
In this embodiment, the flow guiding carrier includes a bus bar connecting conductive clip 1 and a copper strip 3 flexibly connected to the bus bar connecting conductive clip 1, where the bus bar connecting conductive clip 1 is connected to the bus bar 2 by a bolt. Specifically, the busbar connecting conductive clip 1 is made of aluminum alloy, is generally installed on the busbar 2 of the rigid tube in a bolt connection manner, and is provided with a certain number of screw holes at the lower end. The copper strip 3 is formed by stacking a plurality of layers of soft copper sheets with the thickness smaller than 0.5mm, and mainly provides a connecting guide carrier for the bus 2 and the static end conductive fixing plate 4.
In this embodiment, the static-end conductive fixing plate 4 is made of aluminum or copper alloy, is provided with a certain number of screw holes, electrically connects the isolating switch with the wire through bolts, and fixes one end of the composite insulating sleeve 5. The movable end conductive fixing plate 10 is made of aluminum or copper alloy, is provided with a certain number of screw holes, electrically connects the isolating switch with the lead through bolts, and fixes the other end of the composite insulating sleeve 5.
In this embodiment, the composite insulating sleeve 5 is composed of an epoxy glass fiber insulating cylinder and a silicone rubber umbrella skirt, aluminum alloy flanges at two ends of the composite insulating sleeve are respectively connected to the static-end conductive fixing plate 4 and the moving-end conductive fixing plate 10 through bolts, and rubber seals are arranged between the flanges and the static-end conductive fixing plate 4 and between the flanges and the moving-end conductive fixing plate 10. During normal operation, SF 6 (sulfur hexafluoride) insulating gas is filled in the isolating switch to provide an insulating and sealing environment for the conducting part and the isolating fracture of the isolating switch. It should be noted that, or one insulating gas or other insulating gas of the mixed gas of N 2 (nitrogen), SF 6 and N 2, the mixed gas of C 4F7 N (perfluoroisobutyronitrile) and CO 2 (carbon dioxide) and the mixed gas of C 4F7N、O2 and CO 2 may be filled in the insulating switch to provide an insulating and sealing environment for the conductive part and the isolation fracture of the isolation switch. The inside of the composite insulating sleeve 5 is filled with insulating gas with certain pressure, such as SF 6, so that the arc extinguishing capability of the isolating switch can be improved, the opening distance between the movable contact and the static contact is reduced, the structure of the composite insulating sleeve is more compact, and the space occupation between the isolating switch is reduced. Further, the gas charge and discharge valve 9 may be flanked on its sleeve by a gas pressure indicator.
In the present embodiment, as shown in fig. 4, the stationary contact unit 6 includes a stationary end base 61, a stationary end conductive body 62 connected to the stationary end base 61, a stationary side arc contact spring 63 provided in the stationary end conductive body 62, a stationary side arc contact 64 connected to the stationary side arc contact spring 63, a stationary contact finger 66 connected to the stationary end conductive body 62, and a first shield 67 surrounding the stationary contact finger 66.
Specifically, the static end conductive main body 62 is made of aluminum alloy or copper, is connected and fixed on the static end base 61 through a bolt, and is connected with the static contact finger 66 to form a flow guiding part of the static end of the isolating switch. Of course, the stationary conductive body 62 and the stationary base 61 may also be made as an integral component.
The static side arc contact spring 63 is arranged inside the axis of the static end conductive main body 62, so that the static side arc contact 64 is ensured to protect the static contact finger 66 when the isolating switch is switched on and off.
The fixed side arc contact 64 is a brass rod with a copper tungsten alloy coated at the front end part, and is used for breaking small current to protect the fixed contact finger 66 from arc ablation damage during switching on and off. The front end here means the end of the stationary side arcing contact 64 near the moving contact unit 7.
The stationary contact fingers 66 are arranged circumferentially with their conductive contact surfaces silver plated.
The first shield 67 is typically an aluminum alloy to improve the electric field distribution around the stationary contact fingers 66.
Further, the stationary contact unit 6 further includes a first insulating concentric positioning disk 65 sleeved on the stationary conductive body 62. Specifically, the first insulating concentric positioning disk 65 is made of an epoxy resin composite material and is used for concentrically positioning the fixed contact unit 6.
In this embodiment, as shown in fig. 5, the moving contact unit 7 includes a moving end base 712, a moving end fixed conductive body 78 connected to the moving end base 712, a moving end moving conductive body 77 provided in the moving end fixed conductive body 78, a drive screw 79 provided in the moving end moving conductive body 77, an insulating sleeve 711 provided at one end of the drive screw 79, a moving contact 71 provided at an end of the moving end moving conductive body 77 and contactable with the stationary side arcing contact 64, a moving end conductive contact finger 74 contacted with the moving end moving conductive body 77, a second shield 72 surrounding the moving end conductive contact finger 74, and an insulating positioning ring 75 provided near the moving end conductive contact finger 74 and provided inside the moving end fixed conductive body 78; the insulating sleeve 711 is connected to the composite insulating transmission rod 12.
Specifically, the moving contact 71 is composed of a copper tungsten alloy arc contact and a copper conductor, and the surface of the copper conductor is plated with silver.
The second shield 72 is typically an aluminum alloy for improving the electric field distribution around the moving contact 71 and the moving-end conductive finger 74.
The movable-end conductive contact fingers 74 are circumferentially arranged, and the conductive contact surfaces thereof are silver-plated, so that good contact with the movable-end movable conductive body 77 is always maintained.
The insulating positioning ring 75 is made of an epoxy resin composite material, is arranged on the inner side of the moving end fixing conductive main body 78 close to the moving end conductive contact finger 74, and is used for insulating and positioning the moving end fixing conductive main body 78 and the moving end moving conductive main body 77, so that the action reliability of the moving end moving conductive main body 77 is improved.
The movable end moving conductive body 77 is a copper tube with silver plated on the outer surface and is connected with the movable contact 71, and a tail end threaded tube of the movable end moving conductive body 77 is meshed with the transmission screw 79.
The movable end fixing conductive body 78 is an aluminum alloy or copper tube, and the upper and lower sides of the inner surface of the movable end fixing conductive body are respectively provided with a through length positioning groove. One end of the moving end fixing conductive body 78 is fixed on the moving end base 712 through a bolt, and the other end is reliably and conductively connected with the moving end conductive contact finger 74 and forms a flow guiding part of the moving end of the isolating switch with the moving end moving conductive body 77.
The transmission screw 79 is generally made of steel, the outer surface of the transmission screw is provided with threads, and the transmission of the composite insulation transmission rod 12 is used for controlling the linear movement of the movable end moving conductive main body 77 for the opening and closing operation of the isolating switch contact.
The insulating sleeve 711 connects the drive screw 79 with the composite insulating drive rod 12 and prevents the drive screw 79 from passing current.
Further, referring to fig. 5 and 6, the moving contact unit 7 further includes an insulating positioning disk block 73 disposed at one end of the driving screw 79 and disposed in the moving-end moving conductive body 77, a second insulating concentric positioning disk 76 sleeved on the moving-end fixed conductive body 78, and a positioning plate 710 fixed at an end of the moving-end moving conductive body 77. Wherein the insulating positioning disk block 73 is used to position the drive screw 79 and keep it coaxial with the moving-end moving conductive body 77. The second insulating concentric positioning disk 76 is made of epoxy resin composite material and is used for concentrically positioning the movable contact unit 7. The positioning plate 710 is fixed to the tail end of the moving-end moving conductive body 77 for keeping the moving-end moving conductive body 77 and the moving-end fixed conductive body 78 coaxial and preventing the moving-end moving conductive body 77 from rotating with the driving screw 79.
It should be noted that, in the case of disconnecting the disconnector, the distance between the moving contact unit 7 and the stationary contact unit 6 is determined according to the insulation level required by the voltage class of the device and the type of the gas to be inflated, the pressure.
In this embodiment, the protecting member 8 is a protecting cover, and the protecting cover is fastened to the movable end conductive fixing plate 10.
In this embodiment, the supporting transmission insulator 14 is a composite insulator with hollow inside, and the upper and lower end portions are provided with fixing flanges, which are respectively connected with the movable end conductive fixing plate 10 and the supporting base 15 through bolts, so as to ensure that the related components such as the composite insulating sleeve 5 support mechanical strength and insulation to the ground.
In this embodiment, the first operation module 16 is further included, where the first operation module 16 controls the fixed contact of the grounding switch and the movable contact of the grounding switch to be separated or contacted. The first operation module 16 employs an electric operation mechanism or a manual operation mechanism. Of course, the second operation module 17 also adopts an electric operation mechanism or a manual operation mechanism.
In this embodiment, the support base 15 is further included, and the support transmission insulator 14 is disposed between the movable end conductive fixing plate 10 and the support base 15. The support base 15 is used for positioning components such as the support transmission insulator 14, and generally adopts a steel beam infrastructure.
In the description of the embodiments of the present invention, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "connected," and "connected" should be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
It is apparent that the above examples are given by way of illustration only and are not limiting of the embodiments. Other variations and modifications of the present invention will be apparent to those of ordinary skill in the art in light of the foregoing description. It is not necessary here nor is it exhaustive of all embodiments. And obvious variations or modifications thereof are contemplated as falling within the scope of the present invention.
Claims (10)
1. A vertically arranged gas insulated enclosed outdoor high voltage ac disconnector, comprising:
the connecting module comprises a static end conductive fixing plate (4) and a flow guide carrier arranged on one side of the static end conductive fixing plate (4);
The support module comprises a movable end conductive fixing plate (10), a protection piece (8) fixedly connected with the movable end conductive fixing plate (10) and an air charging and discharging valve (9) arranged in the protection piece (8);
the composite insulating sleeve (5) is arranged between the static end conductive fixing plate (4) and the movable end conductive fixing plate (10) and is electrically connected with the flow guide carrier; injecting insulating gas into the composite insulating sleeve (5) through the charging and discharging valve (9);
The conductive module comprises a fixed contact unit (6) and a movable contact unit (7) which are arranged in the composite insulating sleeve (5);
The grounding module comprises a grounding switch fixed contact fixed on the movable end conductive fixed plate (10) and a movable conductive rod (13) with a grounding switch movable contact, wherein the grounding switch fixed contact and the grounding switch movable contact can be separated or contacted;
The adjusting module comprises a supporting transmission insulator (14) and a composite insulation transmission rod (12) arranged in the supporting transmission insulator (14), and the composite insulation transmission rod (12) is connected with the movable contact unit (7) through a universal coupling (11);
And the second operation module (17) controls the composite insulation transmission rod (12) to rotate so that the movable contact unit (7) and the fixed contact unit (6) are separated or contacted.
2. The vertically arranged gas-insulated outdoor high-voltage alternating-current isolating switch according to claim 1, wherein the flow guiding carrier comprises a bus bar connecting conductive clamp (1) and a copper strip (3) flexibly connected with the bus bar connecting conductive clamp (1), and the bus bar connecting conductive clamp (1) is connected with a bus bar (2) through bolts.
3. The vertically arranged gas-insulated outdoor high-voltage alternating-current disconnecting switch according to claim 1, characterized in that the stationary contact unit (6) comprises a stationary end base (61), a stationary end conductive body (62) connected with the stationary end base (61), a stationary side arc contact spring (63) arranged in the stationary end conductive body (62), a stationary side arc contact (64) connected with the stationary side arc contact spring (63), a stationary contact finger (66) connected with the stationary end conductive body (62), and a first shielding cover (67) surrounding the stationary contact finger (66).
4. A vertically arranged gas insulated outdoor high voltage ac disconnector according to claim 3, characterized in that said stationary contact unit (6) further comprises a first insulating concentric positioning disc (65) sleeved on said stationary end conductive body (62).
5. A vertically arranged gas-insulated outdoor high-voltage alternating current isolating switch according to claim 3, characterized in that the moving contact unit (7) comprises a moving end base (712), a moving end fixed conductive body (78) connected with the moving end base (712), a moving end moving conductive body (77) arranged in the moving end fixed conductive body (78), a driving screw (79) arranged in the moving end moving conductive body (77), an insulating sleeve (711) arranged at one end of the driving screw (79), a moving contact (71) arranged at the end of the moving end moving conductive body (77) and capable of being contacted with the static side arc contact (64), a moving end conductive contact finger (74) contacted with the moving end moving conductive body (77), a second shielding cover (72) surrounding the moving end conductive contact finger (74), and an insulating positioning ring (75) arranged close to the moving end conductive contact finger (74) and arranged at the inner side of the moving end fixed conductive body (78); the insulating sleeve (711) is connected with the composite insulating transmission rod (12).
6. The vertical arrangement gas-insulated outdoor high-voltage alternating current isolating switch according to claim 5, wherein the moving contact unit (7) further comprises an insulating positioning disc block (73) arranged at one end of the transmission screw (79) and arranged in the moving-end moving conductive main body (77), a second insulating concentric positioning disc (76) sleeved on the moving-end fixed conductive main body (78), and a positioning plate (710) fixed at the end part of the moving-end moving conductive main body (77).
7. The vertically arranged, gas insulated, closed, outdoor, high voltage ac disconnector of claim 1, wherein said insulating gas is one of SF6、N2、SF6/N2、C4F7N/CO2、C4F7N/O2/CO2.
8. The vertical arrangement gas-insulated outdoor high-voltage alternating current isolating switch according to claim 1, wherein the protecting member (8) is a protecting cover, and the protecting cover is buckled on the movable end conductive fixing plate (10).
9. The vertically arranged gas insulated type outdoor high voltage ac disconnector according to claim 1, further comprising a first operation module (16), said first operation module (16) controlling said ground switch stationary contact and said ground switch movable contact to be separated or contacted.
10. The vertically arranged gas insulated type outdoor high voltage ac isolating switch of claim 1, further comprising a support base (15), said support transmission insulator (14) being disposed between said moving end conductive fixing plate (10) and said support base (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410676476.0A CN118248492A (en) | 2024-05-29 | 2024-05-29 | Vertical arrangement gas insulation type closed outdoor high-voltage alternating current isolating switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410676476.0A CN118248492A (en) | 2024-05-29 | 2024-05-29 | Vertical arrangement gas insulation type closed outdoor high-voltage alternating current isolating switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN118248492A true CN118248492A (en) | 2024-06-25 |
Family
ID=91556856
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202410676476.0A Pending CN118248492A (en) | 2024-05-29 | 2024-05-29 | Vertical arrangement gas insulation type closed outdoor high-voltage alternating current isolating switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN118248492A (en) |
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2024
- 2024-05-29 CN CN202410676476.0A patent/CN118248492A/en active Pending
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