CN106783368B - The pillar high-pressure vacuum breaker of silicon rubber sealed pole - Google Patents
The pillar high-pressure vacuum breaker of silicon rubber sealed pole Download PDFInfo
- Publication number
- CN106783368B CN106783368B CN201710024333.1A CN201710024333A CN106783368B CN 106783368 B CN106783368 B CN 106783368B CN 201710024333 A CN201710024333 A CN 201710024333A CN 106783368 B CN106783368 B CN 106783368B
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- Prior art keywords
- conductive
- flange
- rod
- pressure vacuum
- silicon rubber
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Classifications
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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
-
- 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
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Abstract
The present invention relates to a kind of high-pressure vacuum breakers, in particular to the pillar high-pressure vacuum breaker of a kind of silicon rubber sealed pole, there are static conductive rod and moving conductive rod in the both ends for being mainly characterized by vacuum interrupter in high-pressure vacuum breaker respectively, upper conductive flange is arranged at quiet conduction side pole top, it is provided with conductive seat around moving conductive rod, there is lower conductive flange below conductive seat；It is realized and is conductively connected with dedicated BAL SEAL bus bar adapter between moving conductive rod and conductive seat；Silicone rubber sleeve is sealed between the periphery of vacuum interrupter and upper conductive flange, lower conductive flange.The lower part of lower conduction flange is strut porcelain bushing, and the lower part of strut porcelain bushing is crank arm box.The lower part of moving conductive rod is connected with excess of stroke spring assembling assembly, is connected with insulated pull rod component below excess of stroke spring assembling assembly, insulated pull rod component lower part is connected with the crank arm box transmission component being placed in crank arm box.In the inside of strut porcelain bushing filled with atmosphere gas dielectric N2, drying compressed air or other non-greenhouse gases, leakage contribution of the present invention is small, and operational reliability is high.
Description
Technical field
The present invention relates to a kind of high-pressure vacuum breaker, in particular to the pillar high pressure vacuum of a kind of silicon rubber sealed pole
Breaker belongs to middle voltage electrical technical field.
Background technique
In the breaker of 72.5kV and above, SF at present6Breaker occupies absolute leading position.Such as Fig. 3
It is shown, existing SF6The arc interrupter pole of breaker includes insulator (21), fixed contact pedestal (22), spout (23), static arc contact
(24), fingertip (25), moving arcing contact (26), thermal expansion cylinder (27), pull rod (28), Interposer contact (29), lower support base (30),
The arc interrupter pole of above-mentioned SF6 breaker is to utilize SF6Blow-out performance carry out arc extinguishing.But SF6Gas is that Kyoto Protocol refers to
(its greenhouse effects coefficient is CO to a kind of strongest gas of 6 kinds of greenhouse gases medium temperature chamber effects out223900 times),
And the powder of a variety of toxic gases and a large amount of tool aggressives can be generated under high arc temperature effect.
Vacuum circuit breaker have high reliablity, it is non-maintaining, be suitable for frequent operation, advantages of environment protection, exist at present
40.5kV and middle pressure grade below occupy leading position, are substituted in 72.5kV and above with high-pressure vacuum breaker
SF6 breaker is a kind of effective selection, also represents developing direction.
Summary of the invention
The purpose of the present invention is directed to a kind of pillar high-pressure vacuum breaker of silicon rubber sealed pole, and the breaker is complete
SF is not had to entirely6Gas, with the environment friendly in complete meaning, and the filled insulating gas of lower pole is normal pressure (i.e. zero table
Pressure), leakage contribution is small, and operational reliability is high.
Realize the technical scheme is that, a kind of pillar high-pressure vacuum breaker of silicon rubber sealed pole, the height
The pole column structure for pressing vacuum circuit breaker includes vacuum interrupter, and there are static conductive rod and moving conductive in the both ends of vacuum interrupter respectively
Bar, the top of quiet conduction side pole are connected with conductive flange, and conductive seat is provided with around moving conductive rod, and the lower part of conductive seat connects
It is connected to lower conductive flange；Moving conductive rod (is realized with bus bar adapter between conductive seat and is conductively connected；The periphery of vacuum interrupter and
Silicone rubber sleeve is sealed between upper conduction flange, lower conductive flange, the lower part of lower conduction flange is strut porcelain bushing, strut porcelain bushing
Lower part is crank arm box, and the lower part of moving conductive rod is connected with excess of stroke spring assembling assembly, and the lower part of excess of stroke spring assembling assembly is connected with absolutely
Edge rod assembly, the lower part of insulated pull rod component is connected with the crank arm box transmission component being placed in crank arm box, in strut porcelain bushing
Inside is filled with gas-insulated medium.
Preferably, the silicone rubber sleeve is made of high-temperature silicon disulfide rubber, and external full skirt is using large and small full skirt interval
Mode, meets the large distance of expected design, and height is low.
Preferably, the insulated pull rod component is surrounded by full skirt, can effectively increase creepage distance.
Preferably, the gas-insulated medium can be N2, drying compressed air or other non-greenhouse gases, and gas
Body pressure is 1 standard atmospheric pressure.
The vacuum extinction outdoor of high-pressure vacuum breaker of the present invention, pole uses silicon rubber sealing, lower part
Normal pressure N is filled in strut porcelain bushing2, drying compressed air or other non-greenhouse gases, completely dispense with SF6, have in complete meaning
Environment friendly, and the filled insulating gas of lower pole is normal pressure (i.e. zero gauge pressure), then leakage contribution is small, and operational reliability is high.
SF6 gas of the former SF6 breaker filled with 0.5MPa, when leaking into its minimal function air pressure, it is original to there is forfeiture in breaker
Arc extinguishing/insulating capacity risk.This product only fills atmosphere gas in lower pole, even if leakage, will not influence the original insulation of product
Performance.
Detailed description of the invention
Fig. 1 is schematic structural view of the invention；
Fig. 2 is the partial enlargement structural representation of median generatrix adaptation of the present invention cooperation；
Fig. 3 is existing SF6The structural schematic diagram of the arc interrupter pole of breaker；In figure: insulator 21, fixed contact pedestal 22, spray
Mouth 23, static arc contact 24, fingertip 25, moving arcing contact 26, thermal expansion cylinder 27, pull rod 28, Interposer contact 29, lower support base 30.
Specific embodiment
Invention is further described in detail in conjunction with the accompanying drawings and embodiments.
Structure of the invention is as shown in Figure 1, 2, and the pillar high-pressure vacuum breaker of silicon rubber sealed pole includes: vacuum is gone out
There are static conductive rod 3-1 and moving conductive rod 3-2, the top connection of quiet conduction side pole 3-1 in arc chamber 3, the both ends of vacuum interrupter 3 respectively
There is upper conductive flange 1, conductive seat 5 is provided with around moving conductive rod 3-2, the lower part of conductive seat 5 is connected with lower conductive flange 6；
It is realized and is conductively connected with bus bar adapter 4 between moving conductive rod 3-2 and conductive seat 5；The periphery of vacuum interrupter 3 and upper conductive flange
1, silicone rubber sleeve 2 is sealed between lower conductive flange 6.The lower part of lower conduction flange 6 is strut porcelain bushing 8, the lower part of strut porcelain bushing 8
It is crank arm box 11.The lower part of moving conductive rod 3-2 is connected with excess of stroke spring assembling assembly 7, and the lower part of excess of stroke spring assembling assembly 7 is connected with
Insulated pull rod component 10, the lower part of insulated pull rod component 10 are connected with the crank arm box transmission component 12 being placed in crank arm box 11.?
The inside of strut porcelain bushing 8 is filled with gas-insulated medium 9.
Silicone rubber sleeve 2 when vacuum interrupter 3 is in open position from the insulating effect that matches with fracture, outside is set
There is the full skirt of size interval, to effectively increase creepage distance.
Insulated pull rod component 10 plays insulation and breaking-closing operating transmission effect, is surrounded by full skirt, is climbed with effectively increasing
Electrical distance.
Gas-insulated medium 9 riddles in strut porcelain bushing 8 and coupled crank arm box 11, plays insulating effect.Gas is exhausted
Edge medium 9 can be N2, drying compressed air or other non-greenhouse gases.The pressure of institute's inflatable body dielectric 9 is normal
Pressure, i.e. 1 atmospheric pressure, because of (i.e. zero gauge pressure) identical as external pressure, therefore it is insensitive to leaking, and it is disconnected to improve high pressure vacuum
The operational reliability and maintenance safety of road device.
The above content is a further detailed description of the present invention in conjunction with specific preferred embodiments, and it cannot be said that
A specific embodiment of the invention is only limitted to this, for those of ordinary skill in the art to which the present invention belongs, is not taking off
Under the premise of from present inventive concept, several simple deduction or replace can also be made, the present invention is all shall be regarded as belonging to and is mentioned
The scope of patent protection that claims of friendship determine.
Claims (3)
1. a kind of pillar high-pressure vacuum breaker of silicon rubber sealed pole, it is characterised in that: the high-pressure vacuum breaker
Pole column structure includes vacuum interrupter (3), and there are static conductive rod (3-1) and moving conductive rod in the both ends of vacuum interrupter (3) respectively
(3-2), the top of quiet conduction side pole (3-1) are connected with conductive flange (1), are provided with conduction around moving conductive rod (3-2)
Seat (5), the lower part of conductive seat (5) are connected with lower conductive flange (6)；It is adapted between moving conductive rod (3-2) and conductive seat (5) with bus
Device (4), which is realized, to be conductively connected；It is sealed between the periphery of vacuum interrupter (3) and upper conductive flange (1), lower conductive flange (6)
Silicone rubber sleeve (2), the silicone rubber sleeve (2) when vacuum interrupter (3) is in open position from the insulation that matches with fracture
Effect, outside are equipped with the full skirt of size interval, effectively increase creepage distance；The lower part of lower conduction flange (6) is strut porcelain bushing
(8), the lower part of strut porcelain bushing (8) is crank arm box (11), and the lower part of moving conductive rod (3-2) is connected with excess of stroke spring assembling assembly (7),
The lower part of excess of stroke spring assembling assembly (7) is connected with insulated pull rod component (10), and the lower part of insulated pull rod component (10) is turned with being placed in
Crank arm box transmission component (12) in arm case (11) is connected, in the inside of strut porcelain bushing (8) filled with gas-insulated medium (9)；Institute
Stating gas-insulated medium is N2, drying compressed air or other non-greenhouse gases, and gas pressure is 1 normal atmosphere
Pressure.
2. the pillar high-pressure vacuum breaker of silicon rubber sealed pole according to claim 1, it is characterised in that: the silicon
Rubber sleeve (2) is made of high-temperature silicon disulfide rubber, and external full skirt meets expected design by the way of large and small full skirt interval
Large distance, height it is low.
3. the pillar high-pressure vacuum breaker of silicon rubber sealed pole according to claim 1, it is characterised in that: described exhausted
Edge rod assembly (10) is surrounded by full skirt, can effectively increase creepage distance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710024333.1A CN106783368B (en) | 2017-01-13 | 2017-01-13 | The pillar high-pressure vacuum breaker of silicon rubber sealed pole |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710024333.1A CN106783368B (en) | 2017-01-13 | 2017-01-13 | The pillar high-pressure vacuum breaker of silicon rubber sealed pole |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106783368A CN106783368A (en) | 2017-05-31 |
| CN106783368B true CN106783368B (en) | 2019-01-25 |
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ID=58948405
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710024333.1A Active CN106783368B (en) | 2017-01-13 | 2017-01-13 | The pillar high-pressure vacuum breaker of silicon rubber sealed pole |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106783368B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3855435A (en) * | 1972-11-01 | 1974-12-17 | Meidensha Electric Mfg Co Ltd | Solid insulated breaker of a small size |
| CN2591755Y (en) * | 2002-08-28 | 2003-12-10 | 唐超 | Composite insulating vacuum breaker |
| CN2727939Y (en) * | 2004-08-31 | 2005-09-21 | 南京因泰莱配电自动化设备有限公司 | Silicon rubber sealed pole vacuum circuit breaker with spring mechanism |
| CN2746507Y (en) * | 2004-11-07 | 2005-12-14 | 浙江日升电器有限公司 | 126 KV single fracture outdoor high-voltage vacuum circuit breaker |
| CN101329964A (en) * | 2008-04-25 | 2008-12-24 | 西安交通大学 | Non-SF6 gas insulative outdoor high voltage vacuum breaker |
| CN205487914U (en) * | 2016-03-31 | 2016-08-17 | 许昌永新电气股份有限公司 | Polar column for high -voltage vacuum circuit -breaker |
| CN206574642U (en) * | 2017-01-13 | 2017-10-20 | 中航宝胜电气股份有限公司 | The pillar high-pressure vacuum breaker of silicon rubber sealed pole |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204289233U (en) * | 2014-10-15 | 2015-04-22 | 中国西电电气股份有限公司 | High-pressure vacuum breaker |
-
2017
- 2017-01-13 CN CN201710024333.1A patent/CN106783368B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3855435A (en) * | 1972-11-01 | 1974-12-17 | Meidensha Electric Mfg Co Ltd | Solid insulated breaker of a small size |
| CN2591755Y (en) * | 2002-08-28 | 2003-12-10 | 唐超 | Composite insulating vacuum breaker |
| CN2727939Y (en) * | 2004-08-31 | 2005-09-21 | 南京因泰莱配电自动化设备有限公司 | Silicon rubber sealed pole vacuum circuit breaker with spring mechanism |
| CN2746507Y (en) * | 2004-11-07 | 2005-12-14 | 浙江日升电器有限公司 | 126 KV single fracture outdoor high-voltage vacuum circuit breaker |
| CN101329964A (en) * | 2008-04-25 | 2008-12-24 | 西安交通大学 | Non-SF6 gas insulative outdoor high voltage vacuum breaker |
| CN205487914U (en) * | 2016-03-31 | 2016-08-17 | 许昌永新电气股份有限公司 | Polar column for high -voltage vacuum circuit -breaker |
| CN206574642U (en) * | 2017-01-13 | 2017-10-20 | 中航宝胜电气股份有限公司 | The pillar high-pressure vacuum breaker of silicon rubber sealed pole |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106783368A (en) | 2017-05-31 |
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