CN203553020U - High-voltage grounding switch - Google Patents
High-voltage grounding switch Download PDFInfo
- Publication number
- CN203553020U CN203553020U CN201320710113.1U CN201320710113U CN203553020U CN 203553020 U CN203553020 U CN 203553020U CN 201320710113 U CN201320710113 U CN 201320710113U CN 203553020 U CN203553020 U CN 203553020U
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- polymethyl methacrylate
- cylinder
- hand member
- left end
- capacitor
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Abstract
The utility model provides a high-voltage grounding switch. In the utility model, a right end cap, a right electrode, a left electrode, a left end cap, an organic glass cover plate, a ground plate and a connecting screw head are used to realize electrical connection among an organic glass container, an air cylinder, a uniform pressure ball, a ground ring, and an insulating container, and to realize packaging of pure water and transformer oil; and an air pipe and a two-position five-port electromagnetic valve are used to control the air cylinder. In the utility model, the two-position five-port electromagnetic valve is used to control to-and-fro movement of a telescopic rod of the air cylinder, so that a state that the two-position five-port electromagnetic valve is powered off but not grounded and a state that the two-position five-port electromagnetic valve is power on but not grounded can be realized; the remote control is realized so that energy stored in a capacitor can be released quickly and safely, and the pulse power supply experiment safety problem under the fault condition is solved; the experiment efficiency is improved; the electrical shock safety problem during the wattless compensation capacitor inspection in the electric power industry is solved; and the high-voltage grounding switch can be applied to the capacitor grounding and electrical power industry capacitor maintenance in the pulsed power supply experiment process.
Description
Technical field
The utility model belongs to high voltage technique field, a kind of high voltage ground switch of specific design, can realize the high-voltage pulse capacitor of charging and direct current capacitor fast, reliable ground, be applied to in the pulse power experiment of capacitor and the capacitor maintenance process of power industry.
Background technology
High-voltage pulse capacitor and direct current capacitor be extensive application in Pulse Power Techniques and power industry.In Pulse Power Techniques, that inductive energy storage or capacitance energy storage all need temporarily stored energy of capacitor, by trigger switch, the energy of its storage is discharged rapidly, but owing to affected by trigger switch job stability, the energy of pulse capacitor storage can not be released, or because breaking down in pulse power device experimentation, need to stop experiment, and now capacitor is charged, if allow it naturally release, the time longer, adopt arcing release and have potential safety hazard.If access earthed switch between capacitor high-pressure side and ground, just can realize repid discharge, not only guaranteed experiment safety but also improved conventional efficient.In power industry; need a large amount of capacitors to carry out reactive power compensation; keep line voltage balance; in application process, carry out the capacitor of reactive power compensation and need to capacitor, protect by relevant laws and regulations, particularly maintenance personal's protection against electric shock; so capacitor two ends earth switch of being everlasting; earthed switch conducting during maintenance, releases the remaining electricity of capacitor fast, guarantees maintainer's safety.
Summary of the invention
In order to solve pulse power supply experiment safety problem under fault condition, improve conventional efficient, the electric shock safety problem existing while solving the maintenance of power industry reactive-load compensation capacitor, the utility model provides a kind of high voltage ground switch, energy Long-distance Control, the stored energy of capacitor is released safely and fast, can be applicable to capacitor grounding and the maintenance of power industry capacitor in pulse power supply experimentation.
The utility model solves the technical scheme that its technical problem adopts:
High voltage ground switch of the present utility model, be characterized in, described earthed switch integral body is a cylindrical structural, and earthed switch comprises insulating vessel, polymethyl methacrylate container, two-position five-way battery valve, wherein, insulating vessel contains polymethyl methacrylate cover plate, grounding plate, cylinder.Polymethyl methacrylate container contains grading ring, left electrode, right electrode; Its annexation is, right-hand member and the grounding plate of described insulating vessel are tightly connected, and the left end of insulating vessel and polymethyl methacrylate cover plate are tightly connected; The inner side central point of grounding plate is connected with ground loop, is provided with even pressure ball on ground loop.On polymethyl methacrylate cover plate, be provided with centre bore, the left end of centre bore is connected with dead ring, switching spiral shell head, right-hand member cap in turn, and right-hand member and the locking nut of centre bore are tightly connected.On axis in insulating vessel, be provided with cylinder, the left end of cylinder is connected with switching spiral shell head, and the other end is connected with even pressure ball.The pore of cylinder left end setting is connected with two-position five-way battery valve upper end pore by tracheae I, and the pore of cylinder right-hand member setting is connected with two-position five-way battery valve lower end pore by tracheae II; The left end of described polymethyl methacrylate container is connected with left end cap by left electrode, and right-hand member is connected with right-hand member cap by right electrode.In described insulating vessel, be marked with transformer oil.In described polymethyl methacrylate container, be marked with pure water.
Described grading ring, left electrode, left end cap, polymethyl methacrylate container, right electrode, right-hand member cap, dead ring, switching spiral shell head, polymethyl methacrylate cover plate, locking nut, cylinder, even pressure ball, ground loop, grounding plate are coaxial setting.
High voltage ground switch main body of the present utility model is by forming by the polymethyl methacrylate container of pure water being housed and transformer oil insulating vessel being housed; Cylinder is positioned on insulating vessel axis, by screw thread, is connected with polymethyl methacrylate container right-hand member accessory structure; Cylinder is drawn tracheae and is passed polymethyl methacrylate cover plate and be connected to two-position-five-way solenoid valve, and two-position-five-way solenoid valve power supply can alternating current 220V or direct current 24V; Cylinder axis expansion link front end is threaded connection even pressure ball, the stroke of cylinder axis expansion link is determined according to operating voltage and is left surplus, and in the time of guaranteeing to stretch out, even pressure ball reliably touches on the ground connection cylinder of insulating vessel bottom, and capacitor energy is released completely.Owing to adopting civil power alternating current 220V or direct current 24V Long-distance Control Telescopic-cylinder, realize electric circuit and be communicated with, make capacitor stores energy fast, reliably release.
High voltage ground switch energy Long-distance Control of the present utility model, the stored energy of capacitor is released safely and fast, solved pulse power supply experiment safety problem under fault condition, improved conventional efficient, the electric shock safety problem having existed while having solved the maintenance of power industry reactive-load compensation capacitor, can be applicable to capacitor grounding and the maintenance of power industry capacitor in pulse power supply experimentation.
Accompanying drawing explanation
Fig. 1 is the generalized section of high voltage ground switch of the present utility model;
In Fig. 1,1. left electrode 18. left end cap 19. tracheae I 20. tracheae II of the even pressure ring 2. polymethyl methacrylate container 3. pure water 4. two-position-five-way solenoid valve 5. polymethyl methacrylate cover plate 6. transformer oil 7. insulating vessel 8. ground loop even pressure ball 11. cylinder 12. locking nut 13. dead rings 14. switching right electrode 17. of spiral shell head 15. right-hand member cap 16. of 9. grounding plate 10..
Embodiment
Below in conjunction with drawings and Examples, the utility model is further illustrated.
Embodiment 1
Fig. 1 is the generalized section of high voltage ground switch of the present utility model.In Fig. 1, high voltage ground switch of the present utility model is a cylindrical structural, and earthed switch comprises insulating vessel 7, polymethyl methacrylate container 2, two-position five-way battery valve 4, and wherein, insulating vessel 7 contains polymethyl methacrylate cover plate 5, grounding plate 9, cylinder 11.Polymethyl methacrylate container 2 contains grading ring 1, left electrode 17, right electrode 16.Its annexation is, right-hand member and the grounding plate 9 of described insulating vessel 7 are tightly connected, and the left end of insulating vessel 7 and polymethyl methacrylate cover plate 5 are tightly connected.The inner side central point of grounding plate 9 is connected with ground loop 8, is provided with even pressure ball 10 on ground loop 8.On polymethyl methacrylate cover plate 5, be provided with centre bore, the left end of centre bore is connected with dead ring 13, switching spiral shell head 14, right-hand member cap 15 in turn, and the right-hand member of centre bore and locking nut 12 are tightly connected.On axis in insulating vessel 7, be provided with cylinder 11, the left end of cylinder 11 is connected with switching spiral shell head 14, and the other end is connected with even pressure ball 10; The pore of cylinder 11 left end settings is connected with two-position five-way battery valve 4 upper end pores by tracheae I 19, and the pore of cylinder 11 right-hand member settings is connected with two-position five-way battery valve 4 lower end pores by tracheae II 20; The left end of described polymethyl methacrylate container 2 is connected with left end cap 18 by left electrode 17, and right-hand member is connected with right-hand member cap 15 by right electrode 16.In described insulating vessel 7, be marked with transformer oil 6.In described polymethyl methacrylate container 2, be marked with pure water 3.
Described grading ring 1, left electrode 17, left end cap 18, polymethyl methacrylate container 2, right electrode 16, right-hand member cap 15, dead ring 13, switching spiral shell head 14, polymethyl methacrylate cover plate 5, locking nut 12, cylinder 11, even pressure ball 10, ground loop 8, grounding plate 9 are coaxial setting.
Two-position five-way battery valve 4 in the present embodiment adopts commercially available Ya De visitor 4V210-08 battery valve.
In Fig. 1, critical piece of the present utility model is polymethyl methacrylate container 2, pure water 3, cylinder 11, even pressure ball 10 and ground loop, insulating vessel 7 and transformer oil 6; Use right-hand member cap 15, right electrode 16, left electrode 17, left end cap 18, polymethyl methacrylate cover plate 5, ground plate 9 and switching spiral shell head 14 to realize the electrical connection of critical piece and the encapsulation of pure water 3 and transformer oil 6; The control realizing cylinder 11 by tracheae I 19, tracheae II 20 and two-position-five-way solenoid valve 4.The utility model is by controlling two-position-five-way solenoid valve control cylinder expansion link back and forth movement, can realize the earth-free and two-position-five-way solenoid valve of the two-position-five-way solenoid valve power-off earth-free two states of switching on.The earth-free state of power-off can be applicable to power industry capacitor reactive compensation capacitor inspection earthing technology, and the earth-free state of switching on can be used for pulse power device grounding technology.
The utility model left electrode 17 of when application connects capacitor high-pressure side, and voltage on capacitor is up to hundreds of kilovolts, and therefore even pressure ring plays shimming, reduces the effect of corona voltage; Right electrode 16 in polymethyl methacrylate container 2 is threaded with switching spiral shell head 14, and dead ring 13 is penetrated switching spiral shell head 14 and locked with locking nut 12 at polymethyl methacrylate cover plate 5 right-hand members by polymethyl methacrylate cover plate 5; Cylinder 11 left ends are connected on switching spiral shell head 14, even pressure ball 10 is screwed on cylinder 11 center expansion link screw threads, cylinder 11 center expansion link stroke length should be determined according to high voltage ground switch operating voltage, in the time of should guaranteeing expansion link withdrawal under operating voltage, between even pressure ball 10 and ground loop 8, do not puncture, and should leave enough surpluses; Tracheae I 19, tracheae II 20 pass polymethyl methacrylate cover plate 5 and are connected on two-position-five-way solenoid valve 4; Ground loop 8 is connected by screw on ground plate 9; Insulating vessel 7 is connected with grounding plate 9 by screw, and injection transformer oil 6, covers polymethyl methacrylate cover plate 5 locked with screw.During application, ambient atmos is connected to two-position-five-way solenoid valve 4, according to high voltage ground switch, need operating state situation, determine it is power-off ground connection or for electrical ground, connect on this basis cylinder 11 and draw tracheae I 19, tracheae II 20 and two-position-five-way solenoid valve gas circuit.
Claims (3)
1. a high voltage ground switch, it is characterized in that: described earthed switch comprises insulating vessel (7), polymethyl methacrylate container (2), two-position five-way battery valve (4), wherein, insulating vessel (7) contains polymethyl methacrylate cover plate (5), grounding plate (9), cylinder (11); Polymethyl methacrylate container (2) contains grading ring (1), left electrode (17), right electrode (16); Earthed switch integral body is a cylindrical structural, and its annexation is, the right-hand member of described insulating vessel (7) and grounding plate (9) are tightly connected, and the left end of insulating vessel (7) and polymethyl methacrylate cover plate (5) are tightly connected; The inner side central point of grounding plate (9) is connected with ground loop (8), is provided with even pressure ball (10) on ground loop (8); Polymethyl methacrylate cover plate is provided with centre bore on (5), and the left end of centre bore is connected with dead ring (13), switching spiral shell head (14), right-hand member cap (15) in turn, and the right-hand member of centre bore and locking nut (12) are tightly connected; On axis in insulating vessel (7), be provided with cylinder (11), the left end of cylinder (11) is connected with switching spiral shell head (14), and the other end of cylinder (11) is connected with even pressure ball (10); The pore that cylinder (11) left end arranges is connected with two-position five-way battery valve (4) upper end pore by tracheae I (19), and the pore that cylinder (11) right-hand member arranges is connected with two-position five-way battery valve (4) lower end pore by tracheae II (20); The left end of described polymethyl methacrylate container (2) is connected with left end cap (18) by left electrode (17), and right-hand member is connected with right-hand member cap (15) by right electrode (16); In described insulating vessel (7), be marked with transformer oil (6); In described polymethyl methacrylate container (2), be marked with pure water (3).
2. high voltage ground switch according to claim 1, is characterized in that: described grading ring (1), left electrode (17), left end cap (18), polymethyl methacrylate container (2), right electrode (16), right-hand member cap (15), dead ring (13), switching spiral shell head (14), polymethyl methacrylate cover plate (5), locking nut (12), cylinder (11), even pressure ball (10), ground loop (8), grounding plate (9) are coaxial setting.
3. high voltage ground switch according to claim 1, is characterized in that: described two-position five-way battery valve (4) is commercially available Ya De visitor 4V210-08 battery valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320710113.1U CN203553020U (en) | 2013-11-12 | 2013-11-12 | High-voltage grounding switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320710113.1U CN203553020U (en) | 2013-11-12 | 2013-11-12 | High-voltage grounding switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203553020U true CN203553020U (en) | 2014-04-16 |
Family
ID=50471101
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320710113.1U Expired - Fee Related CN203553020U (en) | 2013-11-12 | 2013-11-12 | High-voltage grounding switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203553020U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110459428A (en) * | 2019-08-08 | 2019-11-15 | 株洲庆云电力机车配件工厂有限公司 | The electrical control mechanism and control method of high voltage isolator |
| CN117133587A (en) * | 2023-10-27 | 2023-11-28 | 河南溪亭电力设备有限公司 | Circuit breaker |
-
2013
- 2013-11-12 CN CN201320710113.1U patent/CN203553020U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110459428A (en) * | 2019-08-08 | 2019-11-15 | 株洲庆云电力机车配件工厂有限公司 | The electrical control mechanism and control method of high voltage isolator |
| CN110459428B (en) * | 2019-08-08 | 2024-04-19 | 株洲庆云电力机车配件工厂有限公司 | Electric control mechanism and control method for high-voltage isolating switch |
| CN117133587A (en) * | 2023-10-27 | 2023-11-28 | 河南溪亭电力设备有限公司 | Circuit breaker |
| CN117133587B (en) * | 2023-10-27 | 2024-01-26 | 河南溪亭电力设备有限公司 | Circuit breaker |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140416 Termination date: 20201112 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |