CN102683100A - Serial connection structure of high-voltage vacuum arc extinguish chambers - Google Patents
Serial connection structure of high-voltage vacuum arc extinguish chambers Download PDFInfo
- Publication number
- CN102683100A CN102683100A CN201210154631XA CN201210154631A CN102683100A CN 102683100 A CN102683100 A CN 102683100A CN 201210154631X A CN201210154631X A CN 201210154631XA CN 201210154631 A CN201210154631 A CN 201210154631A CN 102683100 A CN102683100 A CN 102683100A
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- China
- Prior art keywords
- voltage vacuum
- high voltage
- vacuum interrupter
- linear bearing
- vacuum arc
- 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.)
- Granted
Links
- 238000009413 insulation Methods 0.000 claims abstract description 26
- 239000004020 conductor Substances 0.000 claims abstract description 25
- 238000009434 installation Methods 0.000 claims description 14
- 239000007789 gas Substances 0.000 claims description 9
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 6
- 229910018503 SF6 Inorganic materials 0.000 claims description 3
- 239000003570 air Substances 0.000 claims description 3
- 229910052757 nitrogen Inorganic materials 0.000 claims description 3
- SFZCNBIFKDRMGX-UHFFFAOYSA-N sulfur hexafluoride Chemical compound FS(F)(F)(F)(F)F SFZCNBIFKDRMGX-UHFFFAOYSA-N 0.000 claims description 3
- 229960000909 sulfur hexafluoride Drugs 0.000 claims description 3
- 241000233855 Orchidaceae Species 0.000 claims description 2
- 238000000034 method Methods 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 230000003068 static effect Effects 0.000 abstract 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000008033 biological extinction Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 239000000565 sealant Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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Abstract
A serial connection structure of high-voltage vacuum arc extinguish chambers overcomes the problem of the unsatisfied higher voltage class requirement due to the adoption of one single disconnected vacuum arc extinguish chamber in the existing high-voltage vacuum circuit breaker. The serial connection structure is characterized by comprising 2-5 of high-voltage vacuum arc extinguish chambers, every two high-voltage vacuum arc extinguish chambers are connected in series through a connecting flange, an intershield flange, an intermediate electric conductor, an intermediate linear bearing and a long connecting guide shaft, the right side of the high-voltage vacuum arc extinguish chamber at the most right side is connected with a tail end static conductor and a rear end cover, the left side of the high-voltage vacuum arc extinguish chamber at the most left side is provided with a front end cover, and end cover shielding flanges are respectively arranged on insulation shielding cases at the most left side and the most right side. The serial connection structure has the beneficial effects that 2-5 of single disconnected high-voltage vacuum arc extinguish chambers are connected in series to use, so a higher voltage class can be reached, the technical difficulty is reduced, the manufacturing cost is saved, moreover, the serial connection structure has good interchangeability and is convenient to install, and 2-5 high-voltage vacuum arc extinguish chambers of low voltage class can also be utilized to replace one high-voltage vacuum arc extinguish chamber of high voltage class to be used.
Description
Technical field
The invention belongs to high voltage electrical apparatus technical field, particularly the high voltage vacuum interrupter cascaded structure.
Background technology
Prior art mesohigh vacuum circuit-breaker product adopts 1 vacuum extinction chamber to cut-off; The single break high voltage vacuum interrupter has reached the 126kV electric pressure at present; But this single break high voltage vacuum interrupter difficulty of processing is big; Manufacturing cost is high, also can't satisfy the more requirement of voltage levels simultaneously.Application number is that 201010147463.2 patent application discloses a kind of double-fracture vacuum arc extinguish chamber; It comprises insulation crust, is arranged on quiet assembly and moving assembly in the insulation crust; The fin on wherein said insulation crust inner chamber top is provided with the intermediate isolating radome, and said intermediate isolating radome is between quiet assembly and moving assembly.Shown in this application Figure of description; Said structure is that the double break mouth is placed an insulation crust inner chamber; 1 quiet assembly and 2 moving assemblies are promptly arranged in an insulation crust inner chamber; This structure manufacture difficulty is big, and complicated operation also can't carry out the series connection of 2 or 2 above vacuum interrupters and use.
Summary of the invention
Technical problem to be solved by this invention is; Overcome the weak point of prior art; The high voltage vacuum interrupter cascaded structure that provides 2～5 single break high voltage vacuum interrupter series connection to use; Satisfying under the condition that more voltage levels requires, reduce technical difficulty and manufacturing cost, and improve operational reliability and fail safe.
The technical solution that the present invention adopted comprises high voltage vacuum interrupter; The high voltage vacuum interrupter left side is provided with moving conductive rod; Said high voltage vacuum interrupter is 2～5; On said moving conductive rod, adpting flange is installed, between per 2 high voltage vacuum interrupters through adpting flange, the first intershield flange, the second intershield flange that is processed with the linear bearing installation through holes, middle quiet electric conductor, and the middle linear bearing of in the linear bearing installation through holes, installing with in middle linear bearing, install long be connected the axis of guide and be connected in series; In the first intershield flange and the second intershield flange, insert the insulation shielding cover; Right side at the high voltage vacuum interrupter of the rightmost side connects terminal quiet electric conductor, on the quiet endways electric conductor rear end cap is installed, and between rear end cap and terminal quiet electric conductor, fairlead is installed; Front end housing is installed in left side at the high voltage vacuum interrupter of the leftmost side; In the linear bearing installing blind of on front end housing, processing the front end linear bearing is installed, the short axis of guide that connects is installed in the front end linear bearing, end cap screen method orchid is installed on the insulation shielding cover leftmost side and the rightmost side.
All high voltage vacuum interrupters all are communicated with cavity between the insulation shielding cover.
The said short connection axis of guide and front end linear bearing are for being slidingly matched; Said moving conductive rod be installed in the quiet electric conductor in centre on the high voltage vacuum interrupter for being slidingly matched, said fairlead and be installed in terminal quiet electric conductor on the high voltage vacuum interrupter for being slidingly matched.
Said linear bearing installing blind is consistent with the aperture of linear bearing installation through holes.
Charge into insulating gas in the cavity that between said high voltage vacuum interrupter and insulation shielding cover, is connected.
Said insulating gas is clean dry air or nitrogen or sulfur hexafluoride gas.
Compared with prior art, the invention has the beneficial effects as follows:
(1) the present invention uses 2～5 single break high voltage vacuum interrupter series connection; The total voltage that can bear is the numerical value sum that single high voltage vacuum interrupter can bear voltage more than 2 or 2, so just can realize 1 single break high voltage vacuum interrupter can't use in the problem of voltage levels occasion more;
(2)The present invention increases threaded connection hole on high voltage vacuum interrupter; Through comprising that the cascaded structure that the corresponding connection axis of guide, linear bearing, end cap shielding flange and intershield flange are formed can be combined in series 2～5 high voltage vacuum interrupters; And interchangeability is good; Be convenient to install, reduced technical difficulty and difficulty of processing, can satisfy the more requirement of voltage levels use; Also can use the high voltage vacuum interrupter of 2～5 low-voltage grades to replace the use of the high voltage vacuum interrupter of 1 voltage levels, can reduce technical difficulty and difficulty of processing equally, practice thrift manufacturing cost and also improve operational reliability and fail safe;
(3) the present invention is processed with 4 linear bearing installing blinds on said front end housing; Play sealing function after making blind hole be in installation front end linear bearing; And on the second intershield flange, be processed with 4 be used to install in the middle of the linear bearing installation through holes of linear bearing; Be convenient to realize 2～5 high voltage vacuum interrupter tandem compounds and all high voltage vacuum interrupters all are communicated with cavity between the insulation shielding cover through the long axis of guide that connects; The shielding flange is connected with the sound conducting rod of vacuum interrupter, can play the effect of uniform electric field and heat radiation;
(4) the present invention has increased the insulation shielding cover again outside the high voltage vacuum interrupter insulation crust; The insulation shielding cover is connected with moving conductive rod, the high voltage vacuum interrupter in all series connection is carried out simultaneous operation, simultaneously; The insulation shielding cover has also improved insulating capacity; As required, filling insulating gas in the cavity that can also between high voltage vacuum interrupter insulation crust and insulation shielding cover, form further improves insulating capacity.
Description of drawings
Fig. 1 is a structural representation of the present invention;
Fig. 2 is the main cutaway view of front end housing 2;
Fig. 3 is that the A of Fig. 2 is to view;
Fig. 4 is the second middle main cutaway view that connects the shielding flange;
Fig. 5 is that the B of Fig. 4 is to view;
Among the figure:
1. end cap shielding flange, 2. front end housing,
2-1. the linear bearing installing blind,
2-2. front end housing flange connection screw thread hole,
3-1. linear bearing in the middle of the front end linear bearing, 3-2.,
4. the short axis of guide that connects,
5. moving conductive rod, 6. adpting flange,
7. insulation shielding cover, 8. high voltage vacuum interrupter,
8-1. quiet electric conductor threaded connection hole,
8-2. connect axis of guide threaded connection hole
9. middle quiet electric conductor, the 10. long axis of guide that connects,
11. the first intershield flange,
12. the second intershield flange,
12-1. the linear bearing installation through holes,
12-2. the second intershield flange connection screw thread hole,
13. rear end cap, 14. terminal quiet electric conductors, 15. fairleads.
Embodiment
Below in conjunction with accompanying drawing embodiment of the present invention is provided.
Shown in accompanying drawing; The present invention includes 2～5 high voltage vacuum interrupters (8); Said high voltage vacuum interrupter (8) left side is provided with moving conductive rod (5); Adpting flange (6) is installed on moving conductive rod (5); Be provided with quiet electric conductor threaded connection hole (8-1) and be connected axis of guide threaded connection hole (8-2) on 2 end caps about high voltage vacuum interrupter (8); In 2～5 high voltage vacuum interrupters (8) cascaded structure, the syndeton of the employing between per 2 high voltage vacuum interrupters (8) is: the moving conductive rod (5) that passes on left at the high voltage vacuum interrupter (8) on right side is gone up the adpting flange of installing (6) and is connected the second intershield flange (12) with screw; Right side at the high voltage vacuum interrupter (8) in left side is fixed together the first intershield flange (11) and the second intershield flange (12) through screw, and the right side of the high voltage vacuum interrupter in left side (8) is screwed through quiet electric conductor threaded connection hole (8-1) and connects centre quiet electric conductor (9); On the second intershield flange (12), be processed with 4 linear bearing installation through holes (12-1) and 4 second intershield flange connection screw thread hole (12-2) that are used to install middle linear bearing; Linear bearing (3-2) in the middle of in linear bearing installation through holes (12-1), installing; And middle linear bearing (3-2) is fixed on the second intershield flange (12) with screw; The long axis of guide (10) that connects is installed in middle linear bearing (3-2); The said long axis of guide (10) two ends that connect are processed with screw thread; Through the long screw thread that connects the axis of guide (10) two ends and about 2 high voltage vacuum interrupters (8) connection axis of guide threaded connection hole (8-2) with about 2 high voltage vacuum interrupters (8) be connected in series; In the first intershield flange (11) and the second intershield flange (12), insert the insulation shielding cover (7) of tubular, and seal with fluid sealant;
After 2～5 high voltage vacuum interrupters (8) series connection; Right side at the high voltage vacuum interrupter (8) of the rightmost side connects terminal quiet electric conductor (14) with screw; Go up the end cap shielding flange (1) that annular is installed at insulation shielding cover (7); Go up installation rear end cap (13) at the end cap shielding flange (1) of annular, between rear end cap (13) and terminal quiet electric conductor (14), fairlead (15) is installed;
After 2～5 high voltage vacuum interrupters (8) series connection; The end cap that front end housing (2) and annular are installed in the left side of the high voltage vacuum interrupter (8) of the leftmost side shields flange (1); Be processed with 4 linear bearing installing blinds (2-1) and 4 front end housing flange connection screw thread hole (2-2) on the said front end housing (2)); In order to realize the exchange of front end linear bearing (3-1) and middle linear bearing (3-2); Linear bearing installing blind (2-1) is consistent with the aperture of linear bearing installation through holes (12-1); Front end linear bearing (3-1) is installed in linear bearing installing blind (2-1); And 4 front end linear bearings (3-1) are fixed on the front end housing (2) with screw; The weak point connection axis of guide (4) is installed in 4 front end linear bearings (3-1), and the said short axis of guide (4) one ends that connect are processed with screw thread, through the screw thread of 4 short connection axis of guides (4) and 4 connection axis of guide threaded connection holes (8-2) of leftmost side high voltage vacuum interrupter (8) front end housing (2) and high voltage vacuum interrupter (8) are linked together.
In said structure; Said 4 short connection axis of guides (4) and front end linear bearing (3-1) are for being slidingly matched; Be used for guiding; Said moving conductive rod (5) be installed in the quiet electric conductor in centre (9) on the high voltage vacuum interrupter (8) for being slidingly matched, said fairlead (15) and be installed in terminal quiet electric conductor (14) on the high voltage vacuum interrupter (8) for being slidingly matched; All high voltage vacuum interrupters (8) all are communicated with cavity between the insulation shielding cover (7), and can charge into clean dry air or nitrogen or sulfur hexafluoride gas according to actual conditions is insulating gas, can further improve insulating capacity.
During use; The moving conductive rod (5) of high voltage vacuum interrupter (8) is fixed together through adpting flange (6) and the front end housing (2) or the second intershield flange (12); Link together with insulation shielding cover (7) again; The terminal quiet electric conductor (14) of high voltage vacuum interrupter (8) is fixing; When moving conductive rod (5) when motion of 1 high voltage vacuum interrupter of pulling (8), the moving conductive rod (5) of all the other high voltage vacuum interrupters (8) will be synchronized with the movement, and close, divides operation when realizing a plurality of series connection high voltage vacuum interrupter.
In actual the use, high voltage vacuum interrupter cascaded structure of the present invention can be single-phase separate structure, also can be the three-phase combined type structure; Can level install, also can vertically install.
Claims (6)
1. high voltage vacuum interrupter cascaded structure; Comprise high voltage vacuum interrupter (8); High voltage vacuum interrupter (8) left side is provided with moving conductive rod (5); It is characterized in that; Said high voltage vacuum interrupter (8) is 2～5; Adpting flange (6) is installed on said moving conductive rod (5), between per 2 high voltage vacuum interrupters (8) through adpting flange (6), the first intershield flange (11), be processed with the second intershield flange (12), the middle quiet electric conductor (9) of linear bearing installation through holes (12-1), and middle the linear bearing of in linear bearing installation through holes (12-1), installing (3-2) and in middle linear bearing (3-2) growing of installation be connected the axis of guide (10) and be connected in series; In the first intershield flange (11) and the second intershield flange (12), insert insulation shielding cover (7); Right side at the high voltage vacuum interrupter (8) of the rightmost side connects terminal quiet electric conductor (14), and quiet endways electric conductor (14) is gone up rear end cap (13) is installed, and between rear end cap (13) and terminal quiet electric conductor (14), fairlead (15) is installed; Front end housing (2) is installed in left side at the high voltage vacuum interrupter (8) of the leftmost side; In front end housing (2) is gone up the linear bearing installing blind (2-1) of processing, front end linear bearing (3-1) is installed, the short axis of guide (4) that connects is installed in front end linear bearing (3-1), go up at the insulation shielding cover leftmost side and the rightmost side (7) end cap screen method orchid (1) is installed.
2. according to the said high voltage vacuum interrupter cascaded structure of claim 1, it is characterized in that all high voltage vacuum interrupters (8) all are communicated with cavity between the insulation shielding cover (7).
3. according to the said high voltage vacuum interrupter cascaded structure of claim 1; It is characterized in that; The said short connection axis of guide (4) and front end linear bearing (3-1) are for being slidingly matched; Said moving conductive rod (5) be installed in the quiet electric conductor in centre (9) on the high voltage vacuum interrupter (8) for being slidingly matched, said fairlead (15) and be installed in terminal quiet electric conductor (14) on the high voltage vacuum interrupter (8) for being slidingly matched.
4. according to the said high voltage vacuum interrupter cascaded structure of claim 1, it is characterized in that said linear bearing installing blind (2-1) is consistent with the aperture of linear bearing installation through holes (12-1).
5. according to the said high voltage vacuum interrupter cascaded structure of claim 2, it is characterized in that, charge into insulating gas in the cavity that between said high voltage vacuum interrupter (8) and insulation shielding cover (7), is connected.
6. according to the said high voltage vacuum interrupter cascaded structure of claim 5, it is characterized in that said insulating gas is clean dry air or nitrogen or sulfur hexafluoride gas.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210154631.XA CN102683100B (en) | 2012-05-18 | 2012-05-18 | Serial connection structure of high-voltage vacuum arc extinguish chambers |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210154631.XA CN102683100B (en) | 2012-05-18 | 2012-05-18 | Serial connection structure of high-voltage vacuum arc extinguish chambers |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102683100A true CN102683100A (en) | 2012-09-19 |
| CN102683100B CN102683100B (en) | 2014-08-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210154631.XA Active CN102683100B (en) | 2012-05-18 | 2012-05-18 | Serial connection structure of high-voltage vacuum arc extinguish chambers |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104124638A (en) * | 2014-07-24 | 2014-10-29 | 沈阳华德海泰电器有限公司 | Outdoor pot type high voltage combination electric appliance with vacuum arc extinguishing chambers connected in series |
| CN105355503A (en) * | 2015-11-04 | 2016-02-24 | 平高集团有限公司 | Circuit breaker and connecting box thereof having guide function |
| CN106712278A (en) * | 2017-01-25 | 2017-05-24 | 广东光达电气有限公司 | Dual-power supply fast change-over switch |
| CN113410087A (en) * | 2021-06-17 | 2021-09-17 | 西安西电开关电气有限公司 | Compact high-pressure tank type rapid mechanical combination switch equipment |
| US11302499B1 (en) | 2020-10-07 | 2022-04-12 | Mitsubishi Electric Power Products, Inc. | Vacuum circuit breaker |
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| US3814885A (en) * | 1973-07-11 | 1974-06-04 | Gen Electric | Method of detecting a leak in a vacuum interrupter located inside a housing containing pressurized gas |
| JP2006019193A (en) * | 2004-07-05 | 2006-01-19 | Toshiba Corp | Switching device |
| CN102044375A (en) * | 2010-12-15 | 2011-05-04 | 北京京东方真空电器有限责任公司 | Vacuum switch tube |
| CN202678202U (en) * | 2012-05-18 | 2013-01-16 | 沈阳华德海泰电器有限公司 | Serial structure of a high-voltage vacuum arc extinguish chamber |
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2012
- 2012-05-18 CN CN201210154631.XA patent/CN102683100B/en active Active
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| US3814885A (en) * | 1973-07-11 | 1974-06-04 | Gen Electric | Method of detecting a leak in a vacuum interrupter located inside a housing containing pressurized gas |
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Non-Patent Citations (1)
| Title |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104124638A (en) * | 2014-07-24 | 2014-10-29 | 沈阳华德海泰电器有限公司 | Outdoor pot type high voltage combination electric appliance with vacuum arc extinguishing chambers connected in series |
| CN104124638B (en) * | 2014-07-24 | 2016-09-21 | 沈阳华德海泰电器有限公司 | A kind of outdoor pot type high-voltage combined electrical apparatus with series connection vacuum interrupter |
| CN105355503A (en) * | 2015-11-04 | 2016-02-24 | 平高集团有限公司 | Circuit breaker and connecting box thereof having guide function |
| CN106712278A (en) * | 2017-01-25 | 2017-05-24 | 广东光达电气有限公司 | Dual-power supply fast change-over switch |
| CN106712278B (en) * | 2017-01-25 | 2024-01-30 | 广东光达电气有限公司 | Dual-power supply fast switching switch |
| US11302499B1 (en) | 2020-10-07 | 2022-04-12 | Mitsubishi Electric Power Products, Inc. | Vacuum circuit breaker |
| CN113410087A (en) * | 2021-06-17 | 2021-09-17 | 西安西电开关电气有限公司 | Compact high-pressure tank type rapid mechanical combination switch equipment |
| CN113410087B (en) * | 2021-06-17 | 2023-06-20 | 西安西电开关电气有限公司 | Compact high-voltage tank type quick mechanical combined switch equipment |
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|---|---|
| CN102683100B (en) | 2014-08-13 |
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Denomination of invention: Serial connection structure of high-voltage vacuum arc extinguish chambers Effective date of registration: 20171227 Granted publication date: 20140813 Pledgee: Shengjing bank Limited by Share Ltd. in Shenyang city Shenhe branch Pledgor: SHENYANG HUADE HIGH TECHNOLOGY ELECTRIC Co.,Ltd. Registration number: 2017210000027 |
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Denomination of invention: Serial connection structure of high-voltage vacuum arc extinguish chambers Effective date of registration: 20200610 Granted publication date: 20140813 Pledgee: Shengjing bank Limited by Share Ltd. in Shenyang city Shenhe branch Pledgor: SHENYANG HUADE HIGH TECHNOLOGY ELECTRIC Co.,Ltd. Registration number: Y2020210000026 |
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Date of cancellation: 20230606 Granted publication date: 20140813 Pledgee: Shengjing bank Limited by Share Ltd. in Shenyang city Shenhe branch Pledgor: SHENYANG HUADE HIGH TECHNOLOGY ELECTRIC Co.,Ltd. Registration number: Y2020210000026 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
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Denomination of invention: High voltage vacuum arc extinguishing chamber series structure Effective date of registration: 20230607 Granted publication date: 20140813 Pledgee: Shengjing bank Limited by Share Ltd. in Shenyang city Shenhe branch Pledgor: SHENYANG HUADE HIGH TECHNOLOGY ELECTRIC Co.,Ltd. Registration number: Y2023210000139 |