CN201327789Y - Sealing main circuit for circuit breaker - Google Patents
Sealing main circuit for circuit breaker Download PDFInfo
- Publication number
- CN201327789Y CN201327789Y CNU2008201805648U CN200820180564U CN201327789Y CN 201327789 Y CN201327789 Y CN 201327789Y CN U2008201805648 U CNU2008201805648 U CN U2008201805648U CN 200820180564 U CN200820180564 U CN 200820180564U CN 201327789 Y CN201327789 Y CN 201327789Y
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- CN
- China
- Prior art keywords
- outlet
- conductive clip
- circuit breaker
- admittedly
- major loop
- 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
The utility model relates to a sealing main circuit for an indoor high-voltage alternative-current vacuum circuit breaker, which comprises an upper outgoing wire, a vacuum arc extinguishing chamber, an epoxide resin insulation cylinder, a conducting clamp component and a lower outgoing wire, wherein the upper and the lower outgoing wires are fixedly sealed inside the epoxide resin insulation cylinder, and a joining surface of the upper and the lower outgoing wires is arranged inside an indent of the epoxide resin insulation cylinder; a plurality of soft connections is uniformly arranged on the periphery of the conducting clamp component, and the soft connections are fixedly connected with the lower outgoing wire, and a conducting clamp of the conducting clamp component is connected with the movable end of the vacuum arc extinguishing chamber in a conical form. A limit pin is arranged on the conducting clamp component; the lower outgoing wire is of an annular shape, and the lower outgoing wire is provided with a limit groove which is matched with the limit pin. The limit pin can only move from up to down inside the limit groove, so as to prevent the movable end of the vacuum arc extinguishing chamber from rotating because of the foreign force, thereby preventing the fluctuation pipe of the vacuum arc extinguishing chamber from being damaged. The sealing main circuit for the circuit breaker has small volume, compact structure, high reliability, high insulation performance and strong environment adaptability.
Description
Technical field
The utility model relates to the electrical power distribution element, the solid envelope major loop that particularly a kind of indoor HVAC vacuum circuit breaker uses.
Background technology
The indoor HVAC vacuum circuit breaker of prior art mostly is common open type insulating cylinder structure greatly with major loop, and insulation property are poor, be unsuitable for using under adverse circumstances, and volume is bigger, makes whole circuit breaker profile huger; Having some to seal major loop admittedly in addition is that the arc control device moved end is the structure that is slidingly connected, and temperature rise is bigger, and wearing and tearing are bigger in mechanical endurance, make circuit breaker have certain potential safety hazard.The patent No. is the solid envelope major loop that the disclosed vacuum circuit-breaker of 200420006180.6 Chinese utility model patent uses, because of its moving conductive piece and following outlet are slidingly connected, there is shortcoming easy to wear, that mechanical endurance is short, because of its arc control device moved end does not have anti-rotation position limiting structure, bellows easily destroys under twisting force again.
The utility model content
The circuit breaker that the purpose of this utility model provides a kind of good insulation preformance, volume is small and exquisite, the junction, moved end is not easy to wear, mechanical endurance is long is with sealing major loop admittedly.
In order to realize described purpose, the technical scheme that the utility model is taked is as follows: a kind of circuit breaker is with sealing major loop admittedly, comprise outlet, vacuum interrupter, epoxy resins insulation tube, conductive clip assembly, outlet down, it is characterized in that: go up outlet and be enclosed in admittedly in the epoxy resins insulation tube with following outlet, the faying surface of last outlet and following outlet is positioned at the indent of epoxy resins insulation tube; Be evenly distributed with several around the conductive clip assembly and be flexible coupling, be flexible coupling and fixedly connected taper connection between the conductive clip of conductive clip assembly and the vacuum interrupter moved end with following outlet.
Further, be equipped with spacer pin on the conductive clip assembly; Following outlet is an annular, and following outlet is provided with the stopper slot adaptive with spacer pin.
Further, be provided with grading ring, be flexible coupling in connecting bolt is installed in grading ring and the connecting bolt head is lower than the grading ring edge in the lower edge of down outlet.
Because the faying surface of going up outlet and following outlet of the present utility model all is positioned at epoxy resins insulation tube indent, in other words, the faying surface of last outlet and following outlet is with below the outlet port of epoxy resins insulation tube, thereby increased effectively solid envelope major loop over the ground, the insulation distance of fracture, thereby good insulation preformance.
Owing to be evenly distributed with around the conductive clip assembly and a plurality ofly be flexible coupling, the vacuum interrupter moved end connects employing and is flexible coupling fixing, stressed even, Electric Field Distribution is reasonable, its current load cross section is bigger, and temperature rise can be controlled in the small range, and to be flexible coupling with following outlet be to be connected with connecting bolt is fixed, avoided sliding connection structure defective easy to wear, mechanical endurance is long.
Owing on the conductive clip assembly spacer pin is installed, following outlet is provided with the stopper slot adaptive with spacer pin, spacer pin can only upper and lower motion in the stopper slot of down outlet, prevents that the vacuum interrupter moved end from rotating because of being subjected to external force, and then has prevented that the vacuum extinction chamber bellows from destroying because of torsion.
The grading ring of annular is arranged around the faying surface of following outlet, and grading ring is higher than connecting bolt, thereby the balanced distribution of electric field has further improved insulation property.
Conductive clip is a hexagon, on hexagonal main body, stretch out hexagonal step, have the pin-and-hole that spacer pin is installed on its step, its compact conformation, the welding that conveniently is flexible coupling and the installation of spacer pin, because of taper connection between conductive clip and the vacuum interrupter moved end, both connect reliably, contact area is bigger again.
Thus, little, the compact conformation of the utility model volume, reliability height, insulation property height, adaptive capacity to environment are strong.
Description of drawings
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is that the A of Fig. 1 is to view;
Fig. 3 is the structural representation of conductive clip assembly;
Fig. 4 is the vertical view of Fig. 3;
Fig. 5 is the structural representation of following outlet;
Fig. 6 is the B-B cutaway view of Fig. 5;
Fig. 7 is the structural representation of conductive clip;
Fig. 8 is the vertical view of Fig. 7.
Among the figure: the last outlet of 1-, 2-vacuum interrupter, 3-layer of silica gel, 4-epoxy resins insulation tube, 5-conductive clip assembly, outlet under the 6-, the 601-stopper slot, 602-grading ring 7-connecting bolt, 8-is flexible coupling, the 9-conductive clip, 901-taper cavity volume, the 902-pin-and-hole, 903-boss 10-spacer pin, 11-set bolt.
Embodiment
As Fig. 1 and shown in Figure 2: a kind of circuit breaker is with sealing major loop admittedly, comprise outlet 1, vacuum interrupter 2, epoxy resins insulation tube 4, conductive clip assembly 5, outlet 6 down, last outlet 1, following outlet 6 are enclosed in the epoxy resins insulation tube 4 admittedly, last outlet 1 is connected through set bolt 11 with vacuum interrupter 2, and the faying surface of last outlet 1, outlet 6 down is positioned at the indent of epoxy resins insulation tube 4; Referring to Fig. 3 and Fig. 4, conductive clip assembly 5 comprises conductive clip 9 and six of being fixed on around the conductive clip 9 are flexible coupling 8, is equipped with spacer pin 10 on the conductive clip 9 of conductive clip assembly 5; Referring to Fig. 5 and Fig. 6, following outlet 6 main bodys are pipe shapes, and its endoporus upper surface is provided with the stopper slot 601 with spacer pin 10 couplings; The lower edge of following outlet 6 be provided with 602, six of grading rings be flexible coupling 8 in connecting bolt is installed in grading ring 602 and the connecting bolt head be lower than grading ring 602 edges, guaranteed dielectric strength; The conductive clip 9 of conductive clip assembly 5 is provided with taper cavity volume 901, is taper connection between taper cavity volume 901 and vacuum interrupter 2 moved ends.Vacuum interrupter 2 outer walls are provided with layer of silica gel 3.
Referring to Fig. 7 and Fig. 8: conductive clip 9 is a hexahedron, and conductive clip 9 main body outer walls are provided with boss 903, and boss 903 sides are provided with pin-and-hole 902, and spacer pins 10 are installed in the pin-and-hole 902.
Upward outlet 1 of the present utility model is connected with vacuum interrupter 2 usefulness set bolts 11, vacuum interrupter 2 moved ends compress with conductive clip 9 tapers and are connected, six of conductive clip assembly 5 are flexible coupling and 8 are connected with following outlet 6 usefulness connecting bolts 7, from last outlet 1 is reliable to connecting outlet 6 each element down, mechanical endurance is long, rated current and the temperature rise that can carry 2500A are lower; When the actuating parts of circuit breaker were drop-down with vacuum interrupter 2 moved ends, vacuum interrupter 2 moved ends and conductive clip 9 moved downward together, and the moved end of vacuum interrupter 2 and quiet end produce vacuum gap, thereby realized cut-offfing and isolating of electric current.
On the conductive clip 9 of the utility model conductive clip assembly 5 spacer pin 10 is installed, is having stopper slot 601 in the outlet 6 down, spacer pin 10 can only move up and down in the stopper slot 601 of outlet 6 down.When the conductive clip 9 that compresses taper connection or circuit breaker actuating parts pulling vacuum interrupter 2 moved ends, spacer pin 10 is limited to rotate in the stopper slot 601 of outlet 6 down, effectively prevents to produce torsion and the bellows that destroys vacuum interrupter 2.
Claims (5)
1, a kind of circuit breaker is with sealing major loop admittedly, comprise outlet, vacuum interrupter, epoxy resins insulation tube, conductive clip assembly, outlet down, it is characterized in that: described upward outlet (1), described outlet (6) down are enclosed in the described epoxy resins insulation tube (4) admittedly, and described upward outlet (1), the described faying surface of outlet (6) down are positioned at the indent of described epoxy resins insulation tube (4); Described conductive clip assembly (5) is evenly distributed with several be flexible coupling (8) all around, and fixedly connected with described outlet (6) down described be flexible coupling (8), is taper connection between the conductive clip (9) of described conductive clip assembly (5) and described vacuum interrupter (2) moved end.
2, a kind of circuit breaker as claimed in claim 1 is with sealing major loop admittedly, it is characterized in that: described conductive clip (9) is a hexahedron, described conductive clip (9) main body outer wall is provided with boss (903), described boss (903) side is provided with pin-and-hole (902), and spacer pin (10) is installed in the described pin-and-hole (902); Described outlet (6) main body down is the pipe shape, and described outlet (6) endoporus upper surface down is provided with the stopper slot (601) with described spacer pin (10) coupling.
3, a kind of circuit breaker as claimed in claim 1 is characterized in that with sealing major loop admittedly: described conductive clip (9) is provided with taper cavity volume (901), taper connection between described taper cavity volume (901) and described vacuum interrupter (2) moved end.
4, as described a kind of circuit breaker between claim 1 to 4 times with sealing major loop admittedly, it is characterized in that: the lower edge of described down outlet (6) is provided with grading ring (602), several are described be flexible coupling (8) in connecting bolt is installed in described grading ring (602) and the connecting bolt head be lower than described grading ring (602) edge.
5, a kind of circuit breaker as claimed in claim 4 is characterized in that with sealing major loop admittedly: described vacuum interrupter (2) outer wall is provided with layer of silica gel (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201805648U CN201327789Y (en) | 2008-12-04 | 2008-12-04 | Sealing main circuit for circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201805648U CN201327789Y (en) | 2008-12-04 | 2008-12-04 | Sealing main circuit for circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201327789Y true CN201327789Y (en) | 2009-10-14 |
Family
ID=41179755
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201805648U Expired - Fee Related CN201327789Y (en) | 2008-12-04 | 2008-12-04 | Sealing main circuit for circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201327789Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102376490A (en) * | 2010-08-10 | 2012-03-14 | 上海雷博司电器有限公司 | Fixedly-sealed polar column with anomalous soft connection |
| CN103021722A (en) * | 2012-11-30 | 2013-04-03 | 天水长城开关厂有限公司 | Layered interleaved conductive structure for movable end of solid-sealed polar pole for circuit breaker |
| CN104332351A (en) * | 2014-06-30 | 2015-02-04 | 天津平高智能电气有限公司 | Soft connection device and embedded pole using the same |
-
2008
- 2008-12-04 CN CNU2008201805648U patent/CN201327789Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102376490A (en) * | 2010-08-10 | 2012-03-14 | 上海雷博司电器有限公司 | Fixedly-sealed polar column with anomalous soft connection |
| CN103021722A (en) * | 2012-11-30 | 2013-04-03 | 天水长城开关厂有限公司 | Layered interleaved conductive structure for movable end of solid-sealed polar pole for circuit breaker |
| CN104332351A (en) * | 2014-06-30 | 2015-02-04 | 天津平高智能电气有限公司 | Soft connection device and embedded pole using the same |
| CN104332351B (en) * | 2014-06-30 | 2017-05-24 | 天津平高智能电气有限公司 | Soft connection device and embedded pole using the same |
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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: 20091014 Termination date: 20161204 |