CN203871262U - Vacuum switch pipe - Google Patents
Vacuum switch pipe Download PDFInfo
- Publication number
- CN203871262U CN203871262U CN201420213669.4U CN201420213669U CN203871262U CN 203871262 U CN203871262 U CN 203871262U CN 201420213669 U CN201420213669 U CN 201420213669U CN 203871262 U CN203871262 U CN 203871262U
- Authority
- CN
- China
- Prior art keywords
- vacuum switch
- moving
- radome
- transparent insulating
- conductive rod
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses a vacuum switch pipe. The vacuum switch pipe comprises a transparent insulating housing. A static end cover plate is arranged at the top of the transparent insulating housing; a moving end cover plate is arranged at the bottom of the transparent insulating housing; a static electricity guiding rod penetrates through the static end cover plate from top to bottom; a static contact is arranged at the bottom of the static electricity guiding rod; the moving electricity guiding rod penetrates through the moving end cover plate from top to bottom; a moving contact corresponding to the static contact is arranged on the moving electricity guiding rod; and a bellows is arranged outside the moving electricity guiding rod. The vacuum switch pipe is characterized in that the static contact and the moving contact are wrapped in an inner layer shielding cover in a sealed manner; and the inner layer shielding cover is wrapped in an outer layer shielding cover. By use of double-layered shielding covers, the vacuum switch pipe is highly safe. Furthermore, a cooling structure is arranged on the vacuum switch pipe, the shielding covers are protected too high temperature.
Description
Technical field
The utility model relates to a kind of vacuum switch tube.
Background technology
Vacuum switch tube has another name called vacuum interrupter, makes after mesohigh circuitry cuts power supply blow-out rapidly and suppresses electric current by managing insulating properties that interior vacuum is good, avoids accident and unexpected generation.There is energy-conservation, material-saving, fire prevention, explosion-proof, volume is little, the life-span is long, maintenance cost is low, the advantage such as reliable and pollution-free.
Wherein, vacuum switch tube arranges radome around contact, can block the outlet of electric arc product, and while avoiding blow-out, metal vapors splash is to miscellaneous part, absorb arc energy simultaneously, prevent that shell from causing that because electric arc product pollutes dielectric strength reduces and insulation breakdown.The radome of existing design is one deck structure only, and fail safe is not high, easily damage, once and radome damage whole vacuum switch tube and just cannot use.On the other hand, in interrupting process, the energy of electric arc has consumption greatly on radome, to make the temperature of radome quite high.
Utility model content
For the problems referred to above, the utility model provides a kind of vacuum switch tube, adopts double layer screen cover structure, and fail safe is higher, further, cooling structure is set, and avoids radome excess Temperature.
For realizing above-mentioned technical purpose, reach above-mentioned technique effect, the utility model is achieved through the following technical solutions:
A kind of vacuum switch tube, comprise transparent insulating enclosure, described transparent insulating enclosure top is provided with quiet end casing, transparent insulating enclosure bottom is provided with moved end cover plate, static conductive rod runs through quiet end casing from top to bottom, described static conductive rod bottom is provided with fixed contact, moving conductive rod runs through moved end cover plate from bottom to top, described moving conductive rod top is provided with the moving contact corresponding with fixed contact, described moving conductive rod arranged outside has bellows, it is characterized in that, outside described fixed contact and moving contact, sealed packet is wrapped with internal layer radome, outside internal layer radome, sealed packet is wrapped with outer radome.
Internal layer radome and outer radome have formed the double layer screen cover structure of vacuum switch tube, even if damaging one of them still can continue to use, electric arc product is in radome surface condensation, is conducive to the rapid recovery of arc gap dielectric strength after blow-out, and fail safe improves greatly.And double-decker compare single layer structure be also more conducive to heat radiation.
Preferably, between internal layer radome and outer radome, be provided with cooling fluid, avoid radome excess Temperature to cause the ability variation of its surface condensation electric arc product.
The beneficial effects of the utility model are: adopt internal layer radome and outer shielding case structure, fail safe is higher, further, cooling fluid are set, and avoid radome excess Temperature, keep the sensitivity of vacuum switch tube.
Brief description of the drawings
Fig. 1 is the structural representation of a kind of vacuum switch tube of the utility model;
The mark implication of accompanying drawing is as follows:
1: transparent insulating enclosure; 2: static conductive rod; 3: moving conductive rod; 4: fixed contact; 5: moving contact; 6: bellows; 7: quiet end casing; 8: moved end cover plate; 9: internal layer radome; 10: outer radome; 11: cooling fluid.
Embodiment
Below in conjunction with accompanying drawing and specific embodiment, technical solutions of the utility model are described in further detail, so that those skilled in the art can better understand the utility model being implemented, but illustrated embodiment is not as to restriction of the present utility model.
As shown in Figure 1, a kind of vacuum switch tube, comprises transparent insulating enclosure 1, and its material can be transparent hard glass, transparent glass-ceramics or other inorganic insulating materials, for the ease of narration, the position relationship taking the direction in Fig. 1 as standard to all parts is described.
Described transparent insulating enclosure 1 top is provided with quiet end casing 7, transparent insulating enclosure 1 bottom is provided with moved end cover plate 8, static conductive rod 2 runs through quiet end casing 7 from top to bottom, moving conductive rod 3 runs through moved end cover plate 8 from bottom to top, be that static conductive rod 2 extends through inside from the outside at transparent insulating enclosure 1 top, moving conductive rod 3 extends through inside from the outside of transparent insulating enclosure 1 bottom, and, described static conductive rod 2 bottoms are provided with fixed contact 4, described moving conductive rod 3 tops are provided with the moving contact corresponding with fixed contact 45, fixed contact 4 and moving contact 5 can be vertical magnetic field contacts, transverse magnetic contact or dull and stereotyped contact, but preferably vertical magnetic field contact, improve the overall performance of vacuum switch tube.
Have bellows 6 in moving conductive rod 3 arranged outside, bellows 6 is parts of the unique mechanical deformation that needs Large Amplitude Motion of vacuum switch tube, longitudinally scalable, and in the time that vacuum switch tube carries out separating brake or feed motion, compression or recovery, seal.
Described fixed contact 4 and moving contact 5 outside sealed packets are wrapped with internal layer radome 9, and internal layer radome 9 outside sealed packets are wrapped with outer radome 10.Internal layer radome 9 and outer radome 10 have formed the double layer screen cover structure of vacuum switch tube, its material can be stainless steel or oxygen-free copper etc., even if damaging one of them still can continue to use, electric arc product is in radome surface condensation, be conducive to the rapid recovery of arc gap dielectric strength after blow-out, fail safe improves greatly.And double-decker compare single layer structure be also more conducive to heat radiation.But preferably, between described internal layer radome 9 and outer radome 10, be provided with cooling fluid 11, avoid radome excess Temperature to cause the ability variation of its surface condensation electric arc product.Preferably between internal layer radome 9 and outer radome 10 packing ratio as redness, blue cooling fluid 11.Be with coloured cooling fluid 11, add transparent insulating enclosure 1, can find in time whether internal layer radome 9 and outer radome 10 normally work, because there is leakage problem, be with coloured cooling fluid 11 to spill out, facilitate testing fixture whether normally to work.
These are only preferred embodiment of the present utility model; not thereby limit the scope of the claims of the present utility model; every equivalent structure or conversion of equivalent flow process that utilizes the utility model specification and accompanying drawing content to do; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present utility model.
Claims (4)
1. a vacuum switch tube, comprise transparent insulating enclosure, described transparent insulating enclosure top is provided with quiet end casing, transparent insulating enclosure bottom is provided with moved end cover plate, static conductive rod runs through quiet end casing from top to bottom, described static conductive rod bottom is provided with fixed contact, moving conductive rod runs through moved end cover plate from bottom to top, described moving conductive rod top is provided with the moving contact corresponding with fixed contact, described moving conductive rod arranged outside has bellows, it is characterized in that, outside described fixed contact and moving contact, sealed packet is wrapped with internal layer radome, outside internal layer radome, sealed packet is wrapped with outer radome.
2. a kind of vacuum switch tube according to claim 1, is characterized in that, between described internal layer radome and outer radome, is provided with cooling fluid.
3. a kind of vacuum switch tube according to claim 1, is characterized in that, described fixed contact and moving contact are vertical magnetic field contacts.
4. according to a kind of vacuum switch tube described in claim 1-3 any one, it is characterized in that, described transparent insulating enclosure is transparent glass-ceramics.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420213669.4U CN203871262U (en) | 2014-04-29 | 2014-04-29 | Vacuum switch pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420213669.4U CN203871262U (en) | 2014-04-29 | 2014-04-29 | Vacuum switch pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203871262U true CN203871262U (en) | 2014-10-08 |
Family
ID=51652187
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420213669.4U Expired - Fee Related CN203871262U (en) | 2014-04-29 | 2014-04-29 | Vacuum switch pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203871262U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103943407A (en) * | 2014-04-29 | 2014-07-23 | 昆山达功电子有限公司 | Vacuum switch tube |
| CN104241013A (en) * | 2014-10-15 | 2014-12-24 | 山东恒瑞德电力设备有限公司 | Vacuum arc-extinguishing chamber |
| CN104269319A (en) * | 2014-10-15 | 2015-01-07 | 山东恒瑞德电力设备有限公司 | Breaker with twisting-preventing vacuum arc-extinguishing chamber |
| CN107644779A (en) * | 2017-09-28 | 2018-01-30 | 湖州电力设备成套有限公司 | A kind of vacuum bubbles and vacuum bubbles pole |
-
2014
- 2014-04-29 CN CN201420213669.4U patent/CN203871262U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103943407A (en) * | 2014-04-29 | 2014-07-23 | 昆山达功电子有限公司 | Vacuum switch tube |
| CN104241013A (en) * | 2014-10-15 | 2014-12-24 | 山东恒瑞德电力设备有限公司 | Vacuum arc-extinguishing chamber |
| CN104269319A (en) * | 2014-10-15 | 2015-01-07 | 山东恒瑞德电力设备有限公司 | Breaker with twisting-preventing vacuum arc-extinguishing chamber |
| CN104269319B (en) * | 2014-10-15 | 2016-12-07 | 国网浙江临海市供电公司 | A kind of chopper with anti-torsion vacuum interrupter |
| CN104241013B (en) * | 2014-10-15 | 2017-02-15 | 广东米勒电气有限公司 | Vacuum arc-extinguishing chamber |
| CN107644779A (en) * | 2017-09-28 | 2018-01-30 | 湖州电力设备成套有限公司 | A kind of vacuum bubbles and vacuum bubbles pole |
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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: 20141008 Termination date: 20150429 |
|
| EXPY | Termination of patent right or utility model |