CN105655211A - 10KV air inflation ring main unit circuit breaker switch - Google Patents
10KV air inflation ring main unit circuit breaker switch Download PDFInfo
- Publication number
- CN105655211A CN105655211A CN201610138055.8A CN201610138055A CN105655211A CN 105655211 A CN105655211 A CN 105655211A CN 201610138055 A CN201610138055 A CN 201610138055A CN 105655211 A CN105655211 A CN 105655211A
- Authority
- CN
- China
- Prior art keywords
- main unit
- ring main
- rod
- insulated support
- 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.)
- Pending
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/10—Operating or release mechanisms
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/02—Housings; Casings; Bases; Mountings
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B13/00—Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle
Abstract
The invention discloses a 10KV air inflation ring main unit circuit breaker switch which comprises a frame, an insulating support part, an arc extinguish chamber and a movable mechanism. The arc extinguish chamber and the movable mechanism are located inside the frame, the top of the frame is fixed to the insulating support part, the insulating support part is fixed to a static conductive rod in the arc extinguish chamber, and the movable mechanism is connected with a movable conductive rod in the arc extinguish chamber and comprises a rotating shaft, a crank arm, a direct-linkage connection rod, a rotary connection rod, a linkage rod and a pull rod. The crank arm, the direct-linkage connection rod, the rotary connection rod, the linkage rod and the pull rod are sequentially connected, the rotating shaft is sleeved with the crank arm and penetrates through the whole frame, the pull rod is further connected with a flexible connecting bus, and the flexible connecting bus is fixedly connected with a bus and vertically moves under the acting force of the pull rod. The 10KV air inflation ring main unit circuit breaker switch is good in switch insulating property, high in strength, good in rigidity, convenient to operate and high in reliability.
Description
Technical field
The invention belongs to technical field of electricity, specifically a kind of 10KV Inflatable ring main unit killer switch.
Background technology
10KV Inflatable ring main unit is the hermetically sealed gas-filled switching tube equipment of rustless steel adopting the Technologies such as welding, inflation, leak detection to produce, and all of electrical body, arc-chutes are all sealed in inside the rustless steel gas tank of full dry air. This Inflatable ring main unit adopts modularity, compact design, independent assortment, extension can be needed according to projects, it is widely used in the upgrading of rural power grids, urban distribution network construction, ring network power supply and terminal suitable in each distribution system are powered, generally support the use with outdoor switching station, box-type substation, possess the features such as volume is little, flexible for installation.
Killer switch, as the Important Components of 10KV Inflatable ring main unit, possesses disjunction, connects the ability of load current; When breaking current, the dynamic and static conducting rod of arc-chutes forms fracture, plays the effect of isolation high tension voltage, it is ensured that maintenance and personal safety. But, 10KV Inflatable ring main unit killer switch currently mainly there is problems in that 1, volume is big, is unfavorable for installing; 2, connecting-disconnecting function is not strong, and arc-chutes fracture is opened from not reaching standard gauge definite value; 3, repeatedly after breaking-closing operating, axle insufficient strength is rotated; 4, operating physical force is excessive, is not suitable for frequent operation, and the noise of generation is big, there is card and relates to phenomenon; 5, circuit breaker frame intensity is partially soft, there is potential safety hazard.
Summary of the invention
For solving above-mentioned technical problem, the present invention provide a kind of possess cut-off the 10KV Inflatable ring main unit killer switch that action is fast, breaking capacity is strong, reliable and stable.
The present invention is by the following technical solutions: a kind of 10KV Inflatable ring main unit killer switch, including framework, insulated support, arc-chutes and movable mechanism, described arc-chutes and movable mechanism are positioned at lower portion, the top of described framework and insulated support are fixed, described insulated support is fixed with the static conductive rod in arc-chutes, described movable mechanism is connected with the moving conductive rod in arc-chutes, described movable mechanism includes the connecting lever rotating axle and being sequentially connected with, direct acting connecting rod, swivel link, gangbar and pull bar, described pull bar is connected with moving conductive rod, described connecting lever overlaps on the rotating shaft, described rotation axle runs through whole framework, described pull bar is also connected with the bus that is flexible coupling, the described bus that is flexible coupling is fixing with bus to be connected, the bus that is flexible coupling is up and down under the active force of pull bar.
Described framework is formed with plate-side plate welding respectively by crosspiece of going forward, upper back cross rail and bottom rail, and whole framework good rigidly, stability is strong.
Described crosspiece of going forward, upper back cross rail, bottom rail and side plate are provided with the reinforcement of protruding half frustum cone structure, improve rigid, and safety is good.
Being provided with on described side plate and rotate the rotation axle bearing that axle coordinates, after rotation axle bearing coordinates with rotation axle, flexible rotation, degree of freedom is good.
Being provided with copper insert in described insulated support, described copper insert is fixed by bolt and static conductive rod, and contact is good, conducts electricity very well; Described insulated support adopts epoxy resin and copper insert to be cast for one.
Being provided with groove in described insulated support, copper insert is provided with the bulge-structure effectively coordinated with groove, and copper insert and insulated support are effectively matched, and makes copper insert high with static conductive rod laminating degree, it is achieved the safety that electrical body connects.
Described insulated support and arc-chutes all have three, respectively constitute A, B, C three-phase, described connecting lever totally three, all overlap on the rotating shaft, and lock the lock-screw in connecting lever, realize being reliably connected with rotating axle.
Described insulated support adopts circular arc, rounding structure, and under electric field action, insulating properties are good.
Described connecting lever, direct acting connecting rod, between swivel link and gangbar each through biurcated rivet connect, be connected with between described gangbar and pull bar.
The invention have the advantage that 1, volume little, save the volume of 10KV gas-filling cabinet, thus saving material cost, it is easy for installation that framework and 10KV gas-filling cabinet close gas tank, and interchangeability is strong; 2, good movable linkage, makes the dynamic and static conducting rod of arc-chutes cut-off, closes a floodgate flexibly; 3, whole framework adopts and is welded, and is provided with rib device, improves the reliability of whole product, safety; 4, have employed rotation axle bearing, rotate axle and rotate flexibly, operating physical force is little, and life-span length, nothing card relate to phenomenon; 5, vacuum interrupter changing on-load switch arc-chutes into, can form 10KV ring main unit on-load switch, versatility, interchangeability are strong, 6, whole killer switch good insulation preformance, intensity height, good rigidly, operation facility, it is achieved real product reliability.
Accompanying drawing explanation
Fig. 1 is the Facad structure schematic diagram of the present invention;
Fig. 2 is the side view of Fig. 1;
Fig. 3 is the sectional view of Fig. 2;
Wherein, 1, insulated support, 2, side plate, 3, crosspiece of going forward, 4, copper insert, 5, upper back cross rail, 6, rotate axle, 7, connecting lever, 8, bottom rail, 9, direct acting connecting rod, 10, swivel link, 11, gangbar, 12, bus, 13, pull bar, 14, be flexible coupling bus, 15, moving conductive rod, 16, arc-chutes, 17, static conductive rod, 18, bottom rail reinforcement, 19, framework, 20, top rail reinforcement, 21, side plate reinforcement, 22, rotate axle bearing, 23, side plate technology groove.
Detailed description of the invention
In order to deepen the understanding of the present invention, being described in further detail the present invention below in conjunction with embodiment and accompanying drawing, it is not intended that the restriction to protection scope of the present invention.
As shown in Figure 1 to Figure 3, a kind of 10KV Inflatable ring main unit killer switch, it is positioned at framework 19 including framework 19, insulated support 1, arc-chutes 16 and movable mechanism, arc-chutes 16 and movable mechanism internal, the top of framework 19 is fixed with insulated support 1.
Go forward crosspiece 3, upper back cross rail 5 and bottom rail 8 welds with side plate 2 respectively, polishes after carrying out sealing weld again through side plate technology groove 22, forms framework 19, and solid and reliable, whole framework good rigidly, stability is strong. Wherein, going forward crosspiece 3 and upper back cross rail 5 is provided with the top rail reinforcement 20 of protruding half frustum cone structure, bearing capacity is higher;Bottom rail 8 is provided with bottom rail reinforcement 18, and bottom rail reinforcement 18 is protruding half frustum cone structure, it is ensured that framework 19 intensity; Being provided with two strip side plate reinforcements 21 on side plate 2, side plate reinforcement 21 is protruding half frustum cone structure, adds integral rigidity intensity.
Movable mechanism includes the connecting lever 7, direct acting connecting rod 9, swivel link 10, gangbar 11 and the pull bar 13 that rotate axle 6 and be sequentially connected with, and pull bar 13 is connected with moving conductive rod 15. Preferably, connect each through biurcated rivet between connecting lever 7, direct acting connecting rod 9, swivel link 10 and gangbar 11, be connected with between gangbar 11 and pull bar 13. Connecting lever 7 is enclosed within rotation axle 6, rotates axle 6 and runs through whole side plate 2, side plate 2 is provided with and rotates the rotation axle bearing 22 that axle 6 coordinates, and after rotation axle bearing 22 coordinates with rotation axle 6, flexible rotation, operating force is little, and degree of freedom is good. Rotate axle and adopt hexagonal structure, realize seamless cooperation with connecting lever 7. And connecting lever is provided with screw-locking device, under rotary generation active force, it is ensured that rotate axle and contact with connecting lever well, safe and reliable. Pull bar 13 is also connected with the bus 14 that is flexible coupling, and the bus 14 that is flexible coupling is fixing with bus 12 to be connected, and bus 12 is the necessary device of lower end isolation switch or outlet cable. The bus that is flexible coupling takes special process welding fabrication, scalable under active force, therefore, in the frequent separating brake of drag-link force, combined floodgate situation, indeformable, it is possible to achieve to be reliably connected.
Insulated support 1 adopts the crosspiece 3 of going forward being bolted in framework 19 with on upper back cross rail 5, and copper insert 4 is set in insulated support 1; Copper insert 4 is fixed with the static conductive rod 17 in arc-chutes 16 by bolt, and contact is good, conducts electricity very well; Insulated support 1 adopts epoxy resin and copper insert 4 to be cast for one. Wherein, insulated support 1 adopts circular arc, rounding structure, and under electric field action, without flashover, insulating properties are good. Additionally, be provided with groove in insulated support 1, copper insert is provided with the bulge-structure effectively coordinated with groove, and copper insert 4 and insulated support 1 are effectively matched, and makes copper insert and static conductive rod 17 degree of laminating height, it is achieved the safety that electrical body connects.
The killer switch of the present invention, insulated support 1 and arc-chutes 16 all have three, respectively constitute A, B, C three-phase, connecting lever 7 totally three, are all enclosed within rotation axle 6, and lock lock-screw in connecting lever, realize being reliably connected with rotating axle 6.
Operation principle is as follows: rotate axle 6 under active force, connecting lever 7 is driven to move, connecting lever 7 drives direct acting connecting rod 9 to move, direct acting connecting rod 9 is rotated connecting rod 10 and moves, swivel link 11 drives pull bar 13 to move, and pull bar 13 drives moving conductive rod 15 to move, and thus achieves the action of moving conductive rod 15 and the separating brake of static conductive rod 17, combined floodgate in arc-chutes 16, and the bus 14 that can control to be flexible coupling is up and down, it is achieved electric current by with disconnection; Rotating axle 6 is engineering highstrenghtpiston, and good insulation preformance, intensity are reliable.
The whole killer switch good insulation preformance of the present invention, intensity height, good rigidly, operation facility, reliability is high.
Claims (9)
1. a 10KV Inflatable ring main unit killer switch, it is characterized in that, including framework, insulated support, arc-chutes and movable mechanism, described arc-chutes and movable mechanism are positioned at lower portion, the top of described framework and insulated support are fixed, described insulated support is fixed with the static conductive rod in arc-chutes, described movable mechanism is connected with the moving conductive rod in arc-chutes, described movable mechanism includes the connecting lever rotating axle and being sequentially connected with, direct acting connecting rod, swivel link, gangbar and pull bar, described pull bar is connected with moving conductive rod, described connecting lever overlaps on the rotating shaft, described rotation axle runs through whole framework, described pull bar is also connected with the bus that is flexible coupling, the described bus that is flexible coupling is fixing with bus to be connected.
2. a kind of 10KV Inflatable ring main unit killer switch according to claim 1, it is characterised in that described framework is formed with plate-side plate welding respectively by crosspiece of going forward, upper back cross rail and bottom rail.
3. a kind of 10KV Inflatable ring main unit killer switch according to claim 2, it is characterised in that described in go forward crosspiece, upper back cross rail, bottom rail and side plate be provided with the reinforcement of protruding half frustum cone structure.
4. a kind of 10KV Inflatable ring main unit killer switch according to claim 2, it is characterised in that be provided with on described side plate and rotate the rotation axle bearing that axle coordinates.
5. a kind of 10KV Inflatable ring main unit killer switch according to claim 1, it is characterized in that, being provided with copper insert in described insulated support, described copper insert is fixed by bolt and static conductive rod, and described insulated support adopts epoxy resin and copper insert to be cast for one.
6. a kind of 10KV Inflatable ring main unit killer switch according to claim 5, it is characterised in that being provided with groove in described insulated support, copper insert is provided with the bulge-structure effectively coordinated with groove.
7. a kind of 10KV Inflatable ring main unit killer switch according to claim 1, it is characterised in that described insulated support and arc-chutes all have three, respectively constitute A, B, C three-phase, described connecting lever totally three, all overlap on the rotating shaft.
8. a kind of 10KV Inflatable ring main unit killer switch according to claim 1, it is characterised in that described insulated support adopts circular arc, rounding structure.
9. a kind of 10KV Inflatable ring main unit killer switch according to claim 1, it is characterised in that described connecting lever, direct acting connecting rod, connect each through biurcated rivet between swivel link and gangbar, is connected with between described gangbar and pull bar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610138055.8A CN105655211A (en) | 2016-03-11 | 2016-03-11 | 10KV air inflation ring main unit circuit breaker switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610138055.8A CN105655211A (en) | 2016-03-11 | 2016-03-11 | 10KV air inflation ring main unit circuit breaker switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105655211A true CN105655211A (en) | 2016-06-08 |
Family
ID=56492450
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610138055.8A Pending CN105655211A (en) | 2016-03-11 | 2016-03-11 | 10KV air inflation ring main unit circuit breaker switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105655211A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109687338A (en) * | 2019-03-07 | 2019-04-26 | 广西银河迪康电气有限公司 | High current inflatable high-voltage switchgear |
| CN112614758A (en) * | 2020-12-07 | 2021-04-06 | 国网福建省电力有限公司检修分公司 | Quick operating mechanism of circuit breaker |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040070473A1 (en) * | 2001-02-16 | 2004-04-15 | Torsten Ahlert | Low -voltage power switch with a bearing arrangement for a switch shaft |
| CN2836279Y (en) * | 2005-07-14 | 2006-11-08 | 杭州电器开关有限公司 | 12KV indoor AC high-voltage sulfur hexafluoride ring network switchgear |
| CN201160052Y (en) * | 2008-01-10 | 2008-12-03 | 北京科力恒久电力技术有限责任公司 | Novel circuit breaker for inflating cabinet of 10kV |
| CN201282071Y (en) * | 2008-09-27 | 2009-07-29 | 中国西电电气股份有限公司 | Wall hanging type high-voltage vacuum circuit breaker |
| CN205452210U (en) * | 2016-03-11 | 2016-08-10 | 中天电气技术有限公司 | 10KV aerifys looped netowrk cabinet killer switch |
-
2016
- 2016-03-11 CN CN201610138055.8A patent/CN105655211A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040070473A1 (en) * | 2001-02-16 | 2004-04-15 | Torsten Ahlert | Low -voltage power switch with a bearing arrangement for a switch shaft |
| CN2836279Y (en) * | 2005-07-14 | 2006-11-08 | 杭州电器开关有限公司 | 12KV indoor AC high-voltage sulfur hexafluoride ring network switchgear |
| CN201160052Y (en) * | 2008-01-10 | 2008-12-03 | 北京科力恒久电力技术有限责任公司 | Novel circuit breaker for inflating cabinet of 10kV |
| CN201282071Y (en) * | 2008-09-27 | 2009-07-29 | 中国西电电气股份有限公司 | Wall hanging type high-voltage vacuum circuit breaker |
| CN205452210U (en) * | 2016-03-11 | 2016-08-10 | 中天电气技术有限公司 | 10KV aerifys looped netowrk cabinet killer switch |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109687338A (en) * | 2019-03-07 | 2019-04-26 | 广西银河迪康电气有限公司 | High current inflatable high-voltage switchgear |
| CN109687338B (en) * | 2019-03-07 | 2024-01-30 | 广西银河迪康电气有限公司 | Heavy-current inflatable high-voltage switch cabinet |
| CN112614758A (en) * | 2020-12-07 | 2021-04-06 | 国网福建省电力有限公司检修分公司 | Quick operating mechanism of circuit breaker |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160608 |