CN201910364U - Pole of vacuum circuit breaker - Google Patents
Pole of vacuum circuit breaker Download PDFInfo
- Publication number
- CN201910364U CN201910364U CN2010206765593U CN201020676559U CN201910364U CN 201910364 U CN201910364 U CN 201910364U CN 2010206765593 U CN2010206765593 U CN 2010206765593U CN 201020676559 U CN201020676559 U CN 201020676559U CN 201910364 U CN201910364 U CN 201910364U
- Authority
- CN
- China
- Prior art keywords
- vacuum
- vacuum interrupter
- pole
- insulation crust
- lining
- 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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- High-Tension Arc-Extinguishing Switches Without Spraying Means (AREA)
Abstract
A pole of a vacuum circuit breaker comprises a cylindrical insulating shell made of insulating materials by means of casting. A cylindrical vacuum arc extinguishing chamber which is made of insulating ceramic materials is disposed in the insulating shell, an upper terminal which is fixed to the top of the insulating shell is electrically connected with the top end of the vacuum arc extinguishing chamber, a lower terminal which is fixed to the lower portion of the insulating shell is connected with a movable contact rod at the bottom of the vacuum arc extinguishing chamber, an insulating pull rod which is arranged in a cavity of the lower portion of the insulating shell drives the movable contact rod of the vacuum arc extinguishing chamber to move vertically, and a bushing made of insulating thermal-shrinkable materials is disposed between the vacuum arc extinguishing chamber and the insulating shell. When temperature of the vacuum arc extinguishing chamber rises, the insulating thermal-shrinkable bushing wraps the outer wall of the vacuum arc extinguishing chamber, the end of the thermal-shrinkable bushing covers the end surfaces of the vacuum arc extinguishing chamber, relative displacement between the vacuum arc extinguishing chamber and the insulating shell can be prevented, and insulating effect of the pole is strengthened.
Description
Technical field
The utility model relates to the pole of primary cut-out pole, particularly a kind of vacuum circuit-breaker.
Background technology
Vacuum circuit-breaker generally is used for the electric pressure of 12kV-40.5kV, as the usefulness of the control and the protection of circuit.Vacuum circuit-breaker various types occurred till now from producing, more typically have three kinds: 1. a kind of is to be the vacuum circuit-breaker of insulation with the air, it is the 3AH of representative circuit breaker such as Siemens Company, this circuit breaker alternate and relatively all adopt air insulation, the high pressure galvanic circle part of vacuum circuit-breaker (or claiming the pole part) is generally by upper terminal, vacuum interrupter, lower terminal, insulated tension pole, compositions such as supporting insulator, vacuum extinction chamber surface generally are exactly pottery or glass, owing to will tolerate the voltage between fracture, the pottery of this vacuum interrupter or glass shell are generally longer, and the overall dimensions of circuit breaker are generally all very big.2. another kind is the vacuum circuit-breaker of compound inslation, it represents circuit breaker is the VD4 of ABB AB, this circuit breaker alternate and relatively adopt air and the compound inslation of epoxy resin, SMC, DMC, its high pressure galvanic circle part (or claiming pole part) generally is made up of upper terminal, vacuum interrupter, lower terminal, insulating sleeve or insulation booth, insulated tension pole etc.; This circuit breaker is a kind of littler than preceding on the overall dimension, owing to adopt the compound inslation of air and epoxy resin, SMC, DMC, so the inside of compound inslation is if filth is then very difficult to safeguard and to clean.3. also having a kind of is the vacuum circuit-breaker that adopts solid insulation, it represents circuit breaker is the VM1 of ABB AB, this circuit breaker adopts a kind of megohmite insulant of solid between vacuum interrupter and epoxy package, increase the dielectric strength between the vacuum interrupter off port, the high pressure galvanic circle part of this circuit breaker (or claiming the pole part) generally is made up of terminal, vacuum interrupter, lower terminal, insulation casting matrix, insulated tension pole etc.; Owing to adopt the megohmite insulant of solid between vacuum interrupter and the epoxy package, not only increased the external insulation of vacuum interrupter, make the vacuum extinction chamber surface not be subjected to such environmental effects simultaneously; Though it is less that this circuit breaker reaches volume, the vacuum extinction chamber surface is not influenced by external environmental factor, but when its high pressure arc light that produces when the vacuum arc control device raises the temperature of vacuum interrupter, its generation is expanded with heat and contract with cold and all can be caused producing relative displacement between vacuum interrupter and the epoxy package, thereby the generation gap then can influence the insulation effect of vacuum circuit-breaker.
The utility model content
For the pole part of the vacuum circuit-breaker that solves above-mentioned solid insulation divides existing problem, the utility model is intended to propose a kind of pole of vacuum circuit-breaker.
For addressing the above problem the technical solution adopted in the utility model be: a kind of pole of vacuum circuit-breaker, comprise the column casing shape insulation crust that usefulness insulating material casting forms, be provided with cylindrical vacuum interrupter in the insulation crust by the insulating ceramic materials preparation, the upper terminal that is fixed on the insulation crust top is electrically connected with the top of vacuum interrupter, the lower terminal that is fixed on the insulation crust bottom is connected by the movable feeler lever of electric connector with the vacuum interrupter bottom, and the movable feeler lever that is arranged at the insulated tension pole drive vacuum interrupter in the insulation crust lower cavity moves up and down; It is characterized in that: the lining of one deck with the isolating shrinkable material preparation is set between vacuum interrupter and the insulation crust.
The lining of above-mentioned isolating shrinkable material preparation is a teleflex, lining be placed in the vacuum extinction chamber outer wall and be in vacuum interrupter and insulation crust between; Silicon case casing is avoided influenced by external environmental factor between vacuum interrupter and the insulation crust in filling between vacuum interrupter and the insulation crust on the vacuum extinction chamber outer wall under the normal temperature.
Above-mentioned lining diameter at normal temperatures is greater than the overall diameter of vacuum interrupter; When the vacuum extinction room temperature was 100 ℃～150 ℃, lining pyrocondensation undergauge made lining wrap vacuum interrupter, and the end of lining covers the end face of vacuum interrupter; When promptly the high pressure arc light that produces when the vacuum arc control device raises the temperature of vacuum interrupter, wrap the end face that vacuum interrupter and its end cover vacuum interrupter by the lining pyrocondensation, avoid vacuum interrupter and insulation crust to produce the insulation effect that relative displacement influences vacuum circuit-breaker.
Above-mentioned insulation crust is the shell of epoxy resin casting, insulating ceramics Al
2O
3Pottery.
After adopting such scheme, when the temperature of vacuum arc control device raises, wrap the vacuum interrupter outer wall by isolating shrinkable lining shrink pack, and the gasket end of pyrocondensation covers the end face of vacuum interrupter, can avoid between vacuum interrupter and insulation crust relative displacement taking place, strengthen insulation effect of the present utility model.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
Among the figure: 10. insulation crust; 20. vacuum interrupter; 30. upper terminal; 40. movable feeler lever; 50. lower terminal; 60. electric connector; 70. insulated tension pole; 80. lining.
Embodiment
Below in conjunction with drawings and Examples the utility model is further specified.
The pole of a kind of vacuum circuit-breaker as shown in Figure 1 comprises the column casing shape insulation crust 10 that usefulness epoxy resin casting forms, and is provided with by Al in the insulation crust 10
2O
3The cylindrical vacuum interrupter 20 of ceramic material, the upper terminal 30 that is fixed on insulation crust 10 tops is electrically connected with the top of vacuum interrupter 20, the lower terminal 50 that is fixed on insulation crust 10 bottoms is connected with the movable feeler lever 40 of vacuum interrupter 20 bottoms by electric connector 60, and the movable feeler lever 40 that is arranged at the insulated tension pole 70 drive vacuum interrupters 20 in insulation crust 10 lower cavity moves up and down; The lining 80 of one deck with the isolating shrinkable material preparation is set between vacuum interrupter 20 and the insulation crust 10, the lining 80 of isolating shrinkable material preparation of the present utility model is a teleflex, lining 80 be placed in vacuum interrupter 20 outer walls and be in vacuum interrupter 20 and insulation crust 10 between; Lining 80 diameter at normal temperatures makes the lining 80 of teleflex formula fill between vacuum interrupter 20 and the insulation crust 10 greater than the overall diameter of vacuum interrupter 20, avoids vacuum interrupter 20 surfaces to be subjected to the peripheral environment factor affecting; When the temperature of vacuum interrupter 20 was 120 ℃, lining 80 pyrocondensation undergauges made lining 80 wrap vacuum interrupter 20, and the end of lining 80 covers the end face of vacuum interrupter 20, strengthens its insulation effect.
Claims (5)
1. the pole of a vacuum circuit-breaker, comprise the column casing shape insulation crust that usefulness insulating material casting forms, be provided with cylindrical vacuum interrupter in the insulation crust by the insulating ceramic materials preparation, the upper terminal that is fixed on the insulation crust top is electrically connected with the top of vacuum interrupter, the lower terminal that is fixed on the insulation crust bottom is connected by the movable feeler lever of electric connector with the vacuum interrupter bottom, and the movable feeler lever that is arranged at the insulated tension pole drive vacuum interrupter in the insulation crust lower cavity moves up and down; It is characterized in that: the lining of one deck with the isolating shrinkable material preparation is set between vacuum interrupter and the insulation crust.
2. the pole of a kind of vacuum circuit-breaker as claimed in claim 1, it is characterized in that: the lining of described isolating shrinkable material preparation is a teleflex, lining be placed in the vacuum extinction chamber outer wall and be in vacuum interrupter and insulation crust between.
3. the pole of a kind of vacuum circuit-breaker as claimed in claim 1 or 2, it is characterized in that: described lining diameter at normal temperatures is greater than the overall diameter of vacuum interrupter; When the vacuum extinction room temperature was 100 ℃～150 ℃, lining pyrocondensation undergauge made lining wrap vacuum interrupter, and the end of lining covers the end face of vacuum interrupter.
4. the pole of a kind of vacuum circuit-breaker as claimed in claim 1 is characterized in that: described insulation crust is the shell of epoxy resin casting.
5. the pole of a kind of vacuum circuit-breaker as claimed in claim 1 is characterized in that: described insulating ceramics Al
2O
3Pottery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206765593U CN201910364U (en) | 2010-12-23 | 2010-12-23 | Pole of vacuum circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206765593U CN201910364U (en) | 2010-12-23 | 2010-12-23 | Pole of vacuum circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201910364U true CN201910364U (en) | 2011-07-27 |
Family
ID=44302564
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206765593U Expired - Fee Related CN201910364U (en) | 2010-12-23 | 2010-12-23 | Pole of vacuum circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201910364U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102024615A (en) * | 2010-12-23 | 2011-04-20 | 厦门明翰电气有限公司 | Pole column of vacuum circuit breaker |
| CN104201044A (en) * | 2014-09-05 | 2014-12-10 | 洛阳通颖电气有限公司 | Novel embedded pole |
| CN109065405A (en) * | 2018-09-25 | 2018-12-21 | 江苏南瑞帕威尔电气有限公司 | A kind of pole |
-
2010
- 2010-12-23 CN CN2010206765593U patent/CN201910364U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102024615A (en) * | 2010-12-23 | 2011-04-20 | 厦门明翰电气有限公司 | Pole column of vacuum circuit breaker |
| CN104201044A (en) * | 2014-09-05 | 2014-12-10 | 洛阳通颖电气有限公司 | Novel embedded pole |
| CN109065405A (en) * | 2018-09-25 | 2018-12-21 | 江苏南瑞帕威尔电气有限公司 | A kind of pole |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: XIAMEN MINGHAN ELECTRIC CO., LTD. Free format text: FORMER NAME: XIAMEN MINGHAN ELECTRICAL CO., LTD. |
|
| CP03 | Change of name, title or address |
Address after: 361000 Fujian province Xiamen torch hi tech Zone (Xiangan) Hong Road Industrial Zone No. 9 Framingham Industrial Park Comprehensive Building 1 floor Patentee after: Xiamen Minghan Electric Co., Ltd. Address before: 361009, Fujian, Xiamen Province, Huli District, torch hi tech Zone, Pioneering Park, Albert building north two floor, room N207-N208 Patentee before: Xiamen Minghan Electrical Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110727 Termination date: 20151223 |
|
| EXPY | Termination of patent right or utility model |