CN101266895B - High-current filling encapsulation pole for breaker - Google Patents
High-current filling encapsulation pole for breaker Download PDFInfo
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- CN101266895B CN101266895B CN 200710019103 CN200710019103A CN101266895B CN 101266895 B CN101266895 B CN 101266895B CN 200710019103 CN200710019103 CN 200710019103 CN 200710019103 A CN200710019103 A CN 200710019103A CN 101266895 B CN101266895 B CN 101266895B
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- flexible coupling
- weldment
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Abstract
The invention discloses a high-current potting terminal post for a breaker, aiming to solve problems such as: difficult to enhance loaded current, vulnerable to wear, short mechanical life, poor contact reliability, etc. The invention comprises a radiator, an upper outlet, an interrupter, a lower outlet, an insulated pull rod, epoxy resin; the upper outlet is mounted with the radiator on the top, and mounted with the interrupter on the bottom; furthermore, the upper outlet also comprises a conducting ring, a soft connection welding component, the upper outlet and the lower outlet are poured by the epoxy resin body; the movable end of the interrupter is connected with the soft connection welding component, the soft connection welding component is connected with the insulated pull rod, the soft connection welding component is connected with the conducting ring, the conducting ring is connected with the lower outlet. By using special conducting jaw welding means, the invention has a plurality of lapping surfaces, with rated loaded current much higher than existing product. The radiating fin is designed in wave shape, in order to enlarge the radiating surface and the contact surface. Also, the invention has excellent insulation performance.
Description
Technical field the present invention relates to a kind of high-current filling encapsulation pole for breaker.
Background technology is in nearly 5 years; International vacuum circuit-breaker design and manufacture level have all had significant progress; Great variation has also taken place in breaker structure; Overseas enterprise such as ABB, SEIMENS has released high insulation, non-maintaining circuit breaker major loop of new generation successively, at present each large enterprises of China also innovative design released own height insulation, non-maintaining filling, sealed major loop admittedly, but the temperature rise of the great-current fixed sealing major loop of existing rated current 3150 ~ 5000A is higher, assembling complicacy.The moving conductive piece is slidingly connected with following outlet in the structure of existing vacuum circuit breaker polar, exist easy to wear, lack mechanical endurance, the shortcoming of contact reliability difference.Existing vacuum circuit-breaker exists loaded current to be difficult for the defective that improves.
Summary of the invention the purpose of this invention is to provide a kind of high-current filling encapsulation pole for breaker, be difficult for improving to solve the loaded current that existing vacuum circuit breaker polar exists, easy to wear, mechanical endurance short, the problem of contact reliability difference.
The present invention includes radiator, upward outlet, arc control device, outlet down, insulated tension pole, epoxy resin; Above the last outlet radiator is installed; Below the last outlet arc control device are installed, it also comprises conducting ring, the weldment that is flexible coupling, and said upward outlet is formed by the cast of epoxy resin body with following outlet; The moved end of said arc control device links to each other with the weldment that is flexible coupling, and the weldment that is flexible coupling links to each other with insulated tension pole, and the weldment that is flexible coupling links to each other with conducting ring, and conducting ring links to each other with following outlet.
The present invention is a vacuum circuit-breaker electric current major loop, adopts encapsulation technology, innovative design arc control device moved end connecting mode, innovative design radiating mode, make pole that bigger margin of temperature rise arranged, better mechanical performance is arranged.Rated voltage 12kV; Rated current 2000～5000A; Satisfy the temperature rise requirement, the electric life that satisfies circuit breaker E2 level requires (rated short circuit current that can carry out greater than 30 times cut-offs), satisfies requirement mechanical endurance (can carry out the branch closing operation greater than 10000 times) of circuit breaker M2 level.
Advantage of the present invention is following: one of which, adopted special conductive clip block welding form, and this conductive clip block welding, successful many are flexible coupling is welded on the conduction fixture block, and a plurality of faying surfaces are arranged.And specified loaded current is existing product head and shoulders above.Its two, adopted special heat dissipation technology, its heat sink design is a undaform, has increased area of dissipation and contact area, has improved electric current distribution, has increased conductive section, has improved Electric Field Distribution.Make major loop can carry bigger electric current (3150-5000A), current specification is the existing product current specification (630-1250A) that can reach head and shoulders above.Its three, annular is the radiating mode of outlet down, special following outlet structure, cooling surface area is big; Heat-sinking capability is strong, its four, adopted the special insulation mode; Between arc control device and the epoxy resins insulation tube, in vacuum chamber, pour into a mould, reached the good insulation performance performance with silica gel; Its partial discharge is less than 5PC, and the high energy of its lightning impulse withstand voltage of 12kV filling encapsulation pole reaches 120kV, and industrial frequency withstand voltage reaches 70Kv.
Description of drawings Fig. 1 is a structural representation of the present invention;
Fig. 2 is the right view of Fig. 1;
Fig. 3 is that the assembling sketch map of fixture block is conducted electricity in the present invention;
Fig. 4 is the structural representation of watch chain of the present invention.
Embodiment below the embodiment can make those skilled in the art more fully understand the present invention, but does not limit the present invention in any way.
Embodiment
The present invention includes radiator 1, upward outlet 2, arc control device 3, outlet 7 down, insulated tension pole 9; Epoxy resin 10; Above the last outlet 2 radiator 1 is installed; Below the last outlet 2 arc control device 3 are installed, it also comprises conducting ring 6, the weldment 8 that is flexible coupling, and last outlet 2 is formed by the cast of epoxy resin 10 one with following outlet 7; The moved end of arc control device 3 links to each other with the weldment 8 that is flexible coupling, and the weldment 8 that is flexible coupling links to each other with insulated tension pole 9, and the weldment 8 that is flexible coupling links to each other with conducting ring 6, and conducting ring 6 links to each other with following outlet 7.Conducting ring 6 and 7 screws of following outlet are fastening; Last outlet 2, radiator 1, arc control device 3, the weldment 8 that is flexible coupling, conducting ring 6, outlet 7 constitutes the primary conductive loops down.
Pour into insulating barrier 4 by silica gel between arc control device 3 and the epoxy resin 10.Following outlet 7 is cylindric ringwise.Surface energy is close on epoxy resin 10 insulating cylinders, has increased cooling surface area, has improved Electric Field Distribution.The taper that is flexible coupling between weldment 8 and the insulated tension pole 9 compresses and is connected.
Conducting ring 6 centers are provided with conduction fixture block 11.Conducting ring 6 upper and lower surfaces are overlapped with the 4-8 bar sheet 12 that is flexible coupling respectively.The sheet 12 of weldment 8 of being flexible coupling adopts the fastening mode of screws with conducting ring 6.The sheet 12 that is flexible coupling adopts the mode of silver-colored scarfweld to weld, and adopts the mode of the many sheet circumference welding that are flexible coupling, and the every sheet that is flexible coupling adopts the mode of two faying surfaces up and down, realizes the electric connecting mode of large current interruption device rated current 3150～5000A specification.
Be flexible coupling and be provided with heat radiation watch chain 5 between weldment 8 and the epoxy resin 10.Heat radiation watch chain 5 undulates.During use, operating mechanism drives insulated tension pole 9 upper and lower motions, thereby drives the upper and lower motion in arc control device 3 moved ends, accomplishes circuit breaker branch, closing operation function, reaches the purpose to electric equipment control and protection.
Claims (4)
1. high-current filling encapsulation pole for breaker; Comprise radiator, go up outlet, arc control device, down outlet, insulated tension pole, epoxy resin, weldment is flexible coupling; Above the last outlet radiator is installed; Below the last outlet arc control device are installed, the moved end of said arc control device (3) links to each other with the weldment that is flexible coupling (8), and the weldment that is flexible coupling (8) links to each other with insulated tension pole (9); Said upward outlet (2) and following outlet (7) are formed by the cast of epoxy resin (10) one; It is characterized in that: it also comprises conducting ring (6); The said weldment that is flexible coupling (8) links to each other with conducting ring (6); Said conducting ring (6) links to each other with following outlet (7), and said conducting ring (6) center is provided with conduction fixture block (11), and said conducting ring (6) upper and lower surface is overlapped with the 4-8 bar sheet (12) that is flexible coupling respectively.
2. high-current filling encapsulation pole for breaker according to claim 1 is characterized in that: said outlet (7) is cylindric ringwise down.
3. high-current filling encapsulation pole for breaker according to claim 1 and 2 is characterized in that: be provided with heat radiation watch chain (5) between said weldment that is flexible coupling (8) and the epoxy resin (10).
4. high-current filling encapsulation pole for breaker according to claim 3 is characterized in that: said heat radiation watch chain (5) undulate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200710019103 CN101266895B (en) | 2007-11-01 | 2007-11-01 | High-current filling encapsulation pole for breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200710019103 CN101266895B (en) | 2007-11-01 | 2007-11-01 | High-current filling encapsulation pole for breaker |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101266895A CN101266895A (en) | 2008-09-17 |
| CN101266895B true CN101266895B (en) | 2012-10-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200710019103 Active CN101266895B (en) | 2007-11-01 | 2007-11-01 | High-current filling encapsulation pole for breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101266895B (en) |
Families Citing this family (7)
| 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 |
| CN103871775B (en) * | 2012-12-14 | 2016-05-11 | 伊顿公司 | Vacuum interrupter and the vacuum circuit breaker with vacuum interrupter |
| CN103681095B (en) * | 2013-12-31 | 2016-05-04 | 辽宁易德电气有限公司 | Outdoor high-voltage pole vacuum circuit breaker or automatic circuit |
| CN104576172B (en) * | 2015-02-09 | 2017-08-22 | 河北润志电气设备有限公司 | Pole |
| CN107017568B (en) * | 2016-01-28 | 2022-02-01 | Abb瑞士股份有限公司 | Embedded rod and assembling method thereof |
| CN110911216B (en) * | 2019-10-31 | 2022-01-04 | 许昌许继软件技术有限公司 | Open-type arc extinguish chamber pole and switch cabinet |
| CN111986952A (en) * | 2020-07-28 | 2020-11-24 | 宁波索立安电气有限公司 | Novel flexible connection mode of large-current solid-sealed polar pole |
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2007
- 2007-11-01 CN CN 200710019103 patent/CN101266895B/en active Active
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| Publication number | Publication date |
|---|---|
| CN101266895A (en) | 2008-09-17 |
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