CN203013638U - Embedded type electrode for GIS circuit breaker of medium-voltage gas insulated ring main unit - Google Patents
Embedded type electrode for GIS circuit breaker of medium-voltage gas insulated ring main unit Download PDFInfo
- Publication number
- CN203013638U CN203013638U CN 201220503375 CN201220503375U CN203013638U CN 203013638 U CN203013638 U CN 203013638U CN 201220503375 CN201220503375 CN 201220503375 CN 201220503375 U CN201220503375 U CN 201220503375U CN 203013638 U CN203013638 U CN 203013638U
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- CN
- China
- Prior art keywords
- buried electrode
- type electrode
- embedded type
- cover body
- outer cover
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- Expired - Lifetime
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Abstract
The utility model discloses an embedded type electrode for a GIS circuit breaker of a medium-voltage gas insulated ring main unit. The embedded type electrode comprises an outer shell body formed by insulating materials, an upper part connecting end and a lower part connecting end arranged on the outer shell body, and a vacuum arc-extinguishing chamber arranged in the outer shell body, wherein an organic silicon layer is arranged between the vacuum arc-extinguishing chamber and the outer shell body, a movable connecting member under the vacuum arc-extinguishing chamber is connected to the lower part connecting end through an elastic contact member, and the bottom end of the vacuum arc-extinguishing chamber is provided with a transmission movable rod. The technical scheme of the embedded type electrode allows the application of fewer standard components required to be assembled, allows the application of fewer fixed mounting non-standard components, reduces the assembly time, and is beneficial to environmental protection and reduces the cost since the material consumption is less. The embedded type electrode has more compact structure and excellent voltage endurance performance since the size of the electrode is reduced due to the reduction of the installation components.
Description
Technical field
The utility model relates to technical field of electricity, is specifically related to a kind of buried electrode for medium pressure gas insulation looped network cabinet breaker.
Background technology
Mostly use buried electrode in the gas-insulated cabinet of prior art.In insulation gas tank for insulation cabinet such as SF6, the electrode of tolerance 12kV can be used for 24kv in the insulation gas tank.But for the level of 40.5KV, according to the insulating material in copper connecting line or resene or other main body, carry out capacity optimization with expensive essential material and redesign.In air insulation open type switchgear (AIS), being necessary increases reinforcement in the outside of buried electrode, to guarantee required compressive resistance.
The open electrode of prior art needs many optional features in order to tolerate mechanical pressure and voltage.For example, in open electrode, need to come the sharp-pointed edge of covering vacuum arc control device with additional deflector, also need the ceramic guidance system of vacuum interrupter and the add-on assemble of Elastic Contact guidance system.(as shown in Figure 1)
And in the mechanically actuated operation of the opening of circuit breaker/sealing, some additional guiding partss are guaranteed the ceramic component of vacuum interrupter and the good operation state of Elastic Contact face.According to the dielectric strength of gas tank inner assembly, need suitable setting space, due to the dielectric medium of necessity and higher transducer product cost, further make the size of stainless steel insulation gas tank increase.
Electrode is generally used for a close quarters, has main dielectric withstanding voltage and temperature-resistant.Open electrode can assemble different vacuum electric arc chambers in identical structure, but needs a lot of add-on assembles.The flush type technology is more ripe, because gas tank and circuit breaker cooling system technology provide new possibility.
Summary of the invention
The purpose of this utility model is in gas insulation switch cabinet GIS, uses a kind of buried electrode of optimization to replace existing open electrode.The technical program can reduce its quantity with respect to the add-on parts of complexity necessary in open electrode, and tolerate simultaneously mechanical stress and voltage strength.
In order to solve these problems of the prior art, the technical scheme that the utility model provides is: the buried electrode that is used for medium pressure gas insulation ring main unit GIS circuit breaker, comprise the outer cover body that insulating material forms, be positioned at upper linker and the bottom link of outer cover body, be located at the vacuum interrupter in outer cover body, also has a machine silicon layer between vacuum interrupter and outer cover body, the active connection of vacuum interrupter below is connected to the bottom link by a resilient contact, and the vacuum interrupter bottom is provided with the transmission motion bar.
Preferably, also be provided with an opening to guarantee the Air Flow of buried electrode on outer cover body.
Preferably, buried electrode comprises that also a guidance system is used for the calibration of the active connection of assurance vacuum interrupter.
Preferably, outer cover body is the epoxide resin material preparation.
Preferably, upper linker is identical with the pointing direction of bottom link.
Preferably, the pointing direction of upper linker and bottom link is opposite.
The utility model effect:
1. the technical solution of the utility model allows to use the standard component of needs assembling still less, allows to use fixed installation non-standard component still less.
2. owing to reducing installation component, make the electrode volume reduce, thereby have structure more closely,
And has good withstand voltage properties.
3. the utility model assembly is few, has reduced built-up time, because the material that uses reduces, is conducive to environmental protection, reduces costs.
Description of drawings
Below in conjunction with drawings and Examples, the utility model is further described:
Fig. 1 is buried electrode structural representation of the present utility model.
Fig. 2 is that buried electrode of the present utility model is installed to the schematic diagram in gas tank.
Fig. 3 is the another structural representation of buried electrode of the present utility model.
Wherein, 100 is deflector, and 110 is ceramic guidance system assembly, and 120 is Elastic Contact guidance system assembly;
1 is upper linker, and 2 is outer cover body, and 3 is silicone layer, and 4 is vacuum interrupter, and 5 is active connection, and 6 is resilient contact, and 7 is the bottom link, and 8 is guidance system, and 9 are the transmission motion bar;
11 is electrode fixing device, and 12 is speed changer, and 13 is the bus stube cable, and 14 is the copper stube cable, and 16 is gas tank.
Embodiment
For more detailed statement the technical solution of the utility model, below list specific embodiment by the inventor its effect is described; It is emphasized that these embodiment are not limited to the scope of application of the present utility model for explanation the utility model.
The buried electrode that is used for medium pressure gas insulation ring main unit GIS circuit breaker as shown in Figure 1, comprise the outer cover body 2 that insulating material forms, be positioned at upper linker and the bottom link of shell, be located at the vacuum interrupter 4 in outer cover body, also have a machine silicon layer 3 between vacuum interrupter and outer cover body, be used for preventing the pressure that the different coefficients of expansion due to vacuum interrupter 4 and outer cover body 2 cause; The active connection 5 of vacuum interrupter 4 belows is connected to bottom link 7 by a resilient contact 6, and vacuum interrupter 4 bottoms are provided with transmission motion bar 9, also is provided with an opening to guarantee the Air Flow of buried electrode on outer cover body; Preferably, buried electrode comprises that also a guidance system 8 is used for the calibration of the active connection 5 of assurance vacuum interrupter 4.
In the utility model one preferred embodiment, outer cover body 2 is the epoxide resin material preparation.
In the another preferred embodiment of the utility model, as shown in Figure 3, upper linker 1 is identical with the pointing direction of bottom link 7.
Buried electrode as shown in Figure 2 is installed to the schematic diagram in gas tank, and buried electrode is arranged in SF6 gas tank 16 by an electrode fixing device 11, and its upper linker 1 is connected connection with the copper stube cable, and then enters bus-bar room; Its underpart link 7 is connected connection with the bus stube cable, and then cable connects and enters wiring closet; Be provided with speed changer 12 in one electrode fixing device 11 of transmission motion bar 9 below correspondences and carry out mechanical conductive.
The utility model buried electrode can be equipped with different vacuum interrupters, for example as required 12,24,40.5kv etc., or the electric current 630,800,1250,1600 that needs, 2000,2500 or 3150 amperes and corresponding refrigerating system.
The utility model buried electrode profile can be the variation from square to circle.The epoxy resin insulation material that is used for body can also be interchangeable other material with performances such as better mechanical strength, thermal endurance, dielectric numbers.
Above-mentioned example only illustrates technical conceive of the present utility model and characteristics, and its purpose is to allow the person skilled in the art can understand content of the present utility model and implement according to this, can not limit protection range of the present utility model with this.All equivalent transformation or modifications of doing according to the utility model Spirit Essence are within all should being encompassed in protection range of the present utility model.
Claims (6)
1. the buried electrode that is used for medium pressure gas insulation ring main unit GIS circuit breaker, comprise the outer cover body that insulating material forms, be positioned at upper linker and the bottom link of outer cover body, be located at the vacuum interrupter in outer cover body, also has a machine silicon layer between vacuum interrupter and outer cover body, the active connection of vacuum interrupter below is connected to the bottom link by a resilient contact, and the vacuum interrupter bottom is provided with the transmission motion bar.
2. buried electrode according to claim 1, is characterized in that, also is provided with an opening to guarantee the Air Flow of buried electrode on described outer cover body.
3. buried electrode according to claim 1, is characterized in that, described buried electrode comprises that also a guidance system is used for the calibration of the active connection of assurance vacuum interrupter.
4. buried electrode according to claim 1, is characterized in that, described outer cover body is the epoxide resin material preparation.
5. buried electrode according to claim 1, is characterized in that, described upper linker is identical with the pointing direction of described bottom link.
6. buried electrode according to claim 1, is characterized in that, the pointing direction of described upper linker and described bottom link is opposite.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220503375 CN203013638U (en) | 2012-09-27 | 2012-09-27 | Embedded type electrode for GIS circuit breaker of medium-voltage gas insulated ring main unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220503375 CN203013638U (en) | 2012-09-27 | 2012-09-27 | Embedded type electrode for GIS circuit breaker of medium-voltage gas insulated ring main unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203013638U true CN203013638U (en) | 2013-06-19 |
Family
ID=48605204
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220503375 Expired - Lifetime CN203013638U (en) | 2012-09-27 | 2012-09-27 | Embedded type electrode for GIS circuit breaker of medium-voltage gas insulated ring main unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203013638U (en) |
-
2012
- 2012-09-27 CN CN 201220503375 patent/CN203013638U/en not_active Expired - Lifetime
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130619 |
|
| CX01 | Expiry of patent term |