CN202205646U - Vacuum switch tube for 40.5KV high reliability vacuum circuit breaker - Google Patents
Vacuum switch tube for 40.5KV high reliability vacuum circuit breaker Download PDFInfo
- Publication number
- CN202205646U CN202205646U CN2011202989937U CN201120298993U CN202205646U CN 202205646 U CN202205646 U CN 202205646U CN 2011202989937 U CN2011202989937 U CN 2011202989937U CN 201120298993 U CN201120298993 U CN 201120298993U CN 202205646 U CN202205646 U CN 202205646U
- Authority
- CN
- China
- Prior art keywords
- porcelain tube
- porcelain
- moving
- end cap
- porcelain cylinder
- 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
Disclosed is a vacuum switch tube for a 40.5KV high reliability vacuum circuit breaker, comprising a first porcelain cylinder and a second porcelain cylinder which are overlaid in an up-and-down manner, wherein the first porcelain cylinder and the second porcelain cylinder are sealed via an intermediate sealing ring; the axle centers of the first porcelain cylinder and the second porcelain cylinder are respectively provided with a moving conducting rod and a static conducting rod; the upper end of the moving conducting rod is sequentially provided with a guide sleeve and a moving end cap, with the moving end cap fixed upon one end of the first porcelain cylinder; a static contact is fixed to one end of the second porcelain cylinder via a static end cap; the moving end cap and the first porcelain cylinder are sealed via a first sealing connection ring; the static end cap and the second porcelain cylinder are sealed via a second sealing connection ring; the external surfaces of the first porcelain cylinder and the second porcelain cylinder are of a circular-grooved structure having skirt edges; and the joint of the moving end cap with the first sealing connection ring, the joint of the first and second porcelain cylinders with the intermediate sealing ring, and the joint of the static end cap with the second sealing connection ring are respectively sleeved with a silicone rubber sleeve. The vacuum switch tube of the utility model can improve the insulating strength of the vacuum switch tube, meets the requirements for overpressure resistant strength of the vacuum switch tube, and improves the yield of the product.
Description
Technical field
The utility model relates to a kind of 40.5KV high reliability vacuum circuit-breaker and uses vacuum switch tube.
Background technology
Existing 40.5KV vacuum circuit-breaker uses the porcelain tube of vacuum switch tube to be flat ripple type, and its creepage distance is short, causes its dielectric strength low, satisfies compressive resistance just basically, and complex manufacturing and rate of finished products are low, in use often owing to voltage breakdown leaks gas.
Summary of the invention
The utility model provides a kind of 40.5KV high reliability vacuum circuit-breaker to use vacuum switch tube, can improve the dielectric strength of vacuum switch tube, satisfies the requirement of its compressive resistance, improves the rate of finished products of product.
A kind of 40.5KV high reliability vacuum circuit-breaker is used vacuum switch tube; Comprise the first porcelain tube and the second porcelain tube that stack up and down; The first porcelain tube and the second porcelain tube seal through middle envelope ring; The shaft core position of the first porcelain tube and the second porcelain tube is respectively equipped with moving conductive rod and static conductive rod; The upper end of moving conductive rod is set with fairlead, moved end lid successively, and the moved end lid is fixed on an end of the first porcelain tube, and fixed contact is fixed on an end of the second porcelain tube through quiet end cap; Seal through first sealing ring between the moved end lid and the first porcelain tube; Pass through the sealing of second sealing ring between the said quiet end cap and the second porcelain tube, the outer surface of the first porcelain tube and the second porcelain tube is the circular groove type structure of band shirt rim, and the junction of junction, the first porcelain tube and the second porcelain tube and the middle envelope ring of the moved end lid and first sealing ring and quiet end cap and the second sealing ring junction all are with silicone rubber sleeve.
40.5 kilovolts of high reliability outdoor vacuum circuit breakers of the utility model have following advantage with vacuum switch tube: through the porcelain barrel structure there being design again (the circular groove type structure of band shirt rim); Prolonged the creepage distance of this pipe; Improved the dielectric strength of this pipe; And the two ends and the middle of the first porcelain tube and the second porcelain tube all are with silicone rubber sleeve, have satisfied the requirement of its compressive resistance so greatly, have improved the rate of finished products of product.
Description of drawings
Fig. 1 is the structural representation of the utility model 40.5KV high reliability vacuum circuit-breaker with vacuum switch tube.
Among the figure: 1-moving conductive rod, 2-retainer ring, 3-moved end lid, 4-first sealing ring, the 5-first porcelain tube; The 6-static conductive rod, 7-fairlead, 8-bellows, 9-protective cover, 10-moving contact; The quiet end cap of 11-, 12-getter, 13-silicone rubber sleeve, 14-grading ring, 15-fixed contact; The 16-shielding cylinder, 17-second sealing ring, envelope ring among the 18-, the 21-second porcelain tube
Embodiment
To combine the accompanying drawing in the utility model below, the technical scheme in the utility model will be carried out clear, intactly description.
The structural representation that is the utility model 40.5KV high reliability vacuum circuit-breaker with vacuum switch tube shown in Figure 1; Said 40.5KV high reliability vacuum circuit-breaker comprises the first porcelain tube 5 and the second porcelain tube 21 that stacks up and down with vacuum switch tube; The first porcelain tube 5 and the second porcelain tube 21 are through middle envelope ring 18 sealings, and the shaft core position of the first porcelain tube 5 and the second porcelain tube 21 is respectively equipped with moving conductive rod 1 and static conductive rod 6.The termination of moving conductive rod 1 is provided with moving contact 10, and fixed contact 15 is established in the termination of static conductive rod 6, and fixed contact 15 contacts with moving contact 10, is provided with protective cover 9 between moving contact 10 and the moving conductive rod 1.
The upper end of moving conductive rod 1 is set with fairlead 7, moved end lid 3 successively, and moved end lid 3 is fixed on an end of the first porcelain tube 5, and fixed contact 15 is fixed on an end of the second porcelain tube 21 through quiet end cap 11; Be provided with bellows 8 between said moved end lid 3 and the protective cover 9, bellows 8 is sleeved on the moving conductive rod 1; Moving contact 10, fixed contact 15 and static conductive rod 6 are positioned at shielding cylinder 16; Seal through first sealing ring 4 between the lid 3 and first porcelain tube 5 of moved end; Through 14 sealings of second sealing ring, the outer surface of the first porcelain tube 5 and the second porcelain tube 21 is the circular groove type structure of band shirt rim between the said quiet end cap 11 and the second porcelain tube 21.
Shielding cylinder 16 is positioned at porcelain tube 5, and this structure can shorten the length of vacuum switch tube, increase vacuum switch tube dielectric strength.
The two ends and the middle of the first porcelain tube 5 and the second porcelain tube 21 all are with silicone rubber sleeve; Concrete; The junction of the junction of moved end lid 3 and first sealing ring 4, the first porcelain tube 5 and the second porcelain tube 21 and middle envelope ring 18 and quiet end cap 11 and second sealing ring, 17 junctions all are with silicone rubber sleeve 13; Satisfy the requirement of its compressive resistance so greatly, improved the rate of finished products of product
Intrinsic retainer ring 2 is wrapped on top, fairlead 7 outer end, and the lower end of described retainer ring 2 is between fairlead 7 and moved end lid 3, and this structure can make fixing more firm, tight between fairlead 7 and the moved end lid 3.
There is getter 12 inboard of static conductive rod 6, can keep certain vacuum degree at the storage and the duration of work of device.Porcelain tube 5 seals through middle envelope ring 18 with porcelain tube 5, and Matching Location between the boss of the projection of shielding cylinder 16 and middle envelope ring 18 can make shielding cylinder 16 be positioned on the porcelain tube 5.
Claims (3)
1. a 40.5KV high reliability vacuum circuit-breaker is used vacuum switch tube; Comprise the first porcelain tube (5) and the second porcelain tube (21) that stack up and down; The first porcelain tube (5) and the second porcelain tube (21) seal through middle envelope ring (18); The shaft core position of the first porcelain tube (5) and the second porcelain tube (21) is respectively equipped with moving conductive rod (1) and static conductive rod (6); The upper end of moving conductive rod (1) is set with fairlead (7), moved end lid (3) successively; Moved end lid (3) is fixed on an end of the first porcelain tube (5); Fixed contact (15) is fixed on an end of the second porcelain tube (21) through quiet end cap (11), through first sealing ring (4) sealing, passes through second sealing ring (14) between said quiet end cap (11) and the second porcelain tube (21) and seals between moved end lid (3) and the first porcelain tube (5); It is characterized in that: the outer surface of the first porcelain tube (5) and the second porcelain tube (21) is the circular groove type structure of band shirt rim, and moved end lid (3) all is with silicone rubber sleeve (13) with junction, the first porcelain tube (5) and the second porcelain tube (21) of first sealing ring (4) and the junction and the quiet end cap (11) of middle envelope ring (18) with second sealing ring (17) junction.
2. 40.5KV high reliability vacuum circuit-breaker as claimed in claim 1 is used vacuum switch tube; It is characterized in that: the termination of moving conductive rod (1) is provided with moving contact (10); Fixed contact (15) is established in the termination of static conductive rod (6), and fixed contact (15) contacts with moving contact (10), is provided with protective cover (9) between moving contact (10) and the moving conductive rod (1); Be provided with bellows (8) between said moved end lid (3) and the protective cover (9), bellows (8) is sleeved on the moving conductive rod (1).
3. 40.5KV high reliability vacuum circuit-breaker as claimed in claim 2 is used vacuum switch tube, it is characterized in that: moving contact (10), fixed contact (15) and static conductive rod (6) are positioned at shielding cylinder (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202989937U CN202205646U (en) | 2011-08-17 | 2011-08-17 | Vacuum switch tube for 40.5KV high reliability vacuum circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202989937U CN202205646U (en) | 2011-08-17 | 2011-08-17 | Vacuum switch tube for 40.5KV high reliability vacuum circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202205646U true CN202205646U (en) | 2012-04-25 |
Family
ID=45969752
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202989937U Expired - Fee Related CN202205646U (en) | 2011-08-17 | 2011-08-17 | Vacuum switch tube for 40.5KV high reliability vacuum circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202205646U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104303249A (en) * | 2012-05-15 | 2015-01-21 | Abb技术股份公司 | Shielding element for the use in medium voltage switchgears, and method for manufacture the same |
| CN117174526A (en) * | 2023-11-03 | 2023-12-05 | 沈阳华德海泰电器有限公司 | Vacuum arc-extinguishing chamber with prolonged service life |
-
2011
- 2011-08-17 CN CN2011202989937U patent/CN202205646U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104303249A (en) * | 2012-05-15 | 2015-01-21 | Abb技术股份公司 | Shielding element for the use in medium voltage switchgears, and method for manufacture the same |
| CN117174526A (en) * | 2023-11-03 | 2023-12-05 | 沈阳华德海泰电器有限公司 | Vacuum arc-extinguishing chamber with prolonged service life |
| CN117174526B (en) * | 2023-11-03 | 2024-01-05 | 沈阳华德海泰电器有限公司 | Vacuum arc-extinguishing chamber with prolonged service life |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120425 Termination date: 20160817 |