CN103065861A - Outdoor alternating current high-voltage SF6 automatic sectionalizer - Google Patents
Outdoor alternating current high-voltage SF6 automatic sectionalizer Download PDFInfo
- Publication number
- CN103065861A CN103065861A CN201210582871XA CN201210582871A CN103065861A CN 103065861 A CN103065861 A CN 103065861A CN 201210582871X A CN201210582871X A CN 201210582871XA CN 201210582871 A CN201210582871 A CN 201210582871A CN 103065861 A CN103065861 A CN 103065861A
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- casing
- insulator
- voltage
- spring mechanism
- divide
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- 239000012212 insulator Substances 0.000 claims abstract description 20
- 238000007789 sealing Methods 0.000 claims abstract description 10
- 239000012530 fluid Substances 0.000 claims description 6
- 238000009825 accumulation Methods 0.000 claims description 5
- 238000005260 corrosion Methods 0.000 claims description 5
- 230000007797 corrosion Effects 0.000 claims description 5
- 150000001875 compounds Chemical class 0.000 claims description 3
- 229920002379 silicone rubber Polymers 0.000 claims description 3
- 238000001514 detection method Methods 0.000 claims 1
- 238000004146 energy storage Methods 0.000 abstract description 4
- 230000003068 static effect Effects 0.000 abstract 2
- 239000011553 magnetic fluid Substances 0.000 abstract 1
- 230000006837 decompression Effects 0.000 description 4
- 230000001052 transient effect Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 239000012467 final product Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000005422 blasting Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Abstract
The invention relates to improvement of a sectionalizer structure and provides an outdoor alternating current high-voltage SF6 automatic sectionalizer which is good in sealing property and capable of dividing and shutting a brake timely. The sectionalizer comprises a box body. SF6 gas is filled in the box body. A rotating shaft is arranged in the middle of the box body. A moving contact is arranged on the rotating shaft. An insulator is arranged on the box body. One end of the insulator extends into the box body and a static contact corresponding to the moving contact is arranged at one end of the insulator. A wiring terminal is arranged at the other end of the insulator. The wiring terminal and the static contact are connected through a conducting rod. The sectionalizer is characterized in that one end of the rotating shaft is connected with a spring mechanism driving a rotating shaft outside the box body to rotate through a magnetic fluid sealing shaft head, an energy storage handle and a divide-shut brake electric buckle releasing device which are used for driving the spring mechanism are arranged outside the spring mechanism, a controlled port of the divide-shut brake electric buckle releasing device is connected with an output controlled port of an electronic controller, and the electronic controller detects current intensity in an upper stage line and controls motion of the divide-shut brake electric buckle releasing device.
Description
Technical field
The present invention relates to the improvement of sectionalizer structure.
Background technology
Sectionalizer is a kind ofly to cooperate the switchgear of automatic brake separating in decompression or currentless situation with mains side prime switch.When permanent fault occurs when, sectionalizer behind minute closing operation of pre-determined number locking in gate-dividing state, thereby reach the purpose of isolated fault track section.
The situation that SF6 gas in the existing sectionalizer casing has leakage occurs, so the box sealing performance has much room for improvement.
Secondly, existing sectionalizer divide-shut brake control is not prompt enough, affects result of use.
In addition, existing outdoor pole top switch electromagnetic trip generally needs plug-in voltage transformer (PT) for it provides the energy, since the PT fault, the situation that often causes switch to work; And plug-in PT has also improved project cost simultaneously.
Summary of the invention
The present invention is exactly for the problems referred to above, and timely outdoor AC high-voltage SF6 automatic sectionalizer of a kind of good airproof performance, divide-shut brake is provided.
For achieving the above object, the present invention adopts following technical scheme, the present invention includes casing, is filled with SF6 gas in the casing, and the casing middle part is provided with rotating shaft, is provided with moving contact in the rotating shaft; Be provided with insulator on the casing, insulator one end stretches in the casing and corresponding to moving contact and is provided with fixed contact, the insulator other end is provided with binding post, binding post links to each other by conducting rod with fixed contact, the spring mechanism that its structural feature rotating shaft one end rotates by magnet fluid sealing spindle nose and the drive shaft in the casing outside links to each other, the spring mechanism arranged outside has energy accumulation handle and the electronic release of divide-shut brake of driving spring mechanism, and the controlled ports of the electronic release of divide-shut brake links to each other with the output control terminal mouth of electronic controller; Electronic controller detects the electronic release action of size of current control divide-shut brake in higher level's circuit.
As a kind of preferred version, be wound with current transformer around the conducting rod of the present invention, the output of current transformer links to each other with electronic controller power input mouth.
As another kind of preferred version, casing arranged outside of the present invention has the Pressure gauge that detects SF6 gas pressure in the casing.
As another kind of preferred version, spring mechanism arranged outside of the present invention has the changable clasp of spring mechanism.
As another kind of preferred version, insulator of the present invention is silicon rubber compound insulator.
Secondly, casing of the present invention adopts the upper above corrosion resistant plate of 3mm to be welded.
In addition, the electronic release of divide-shut brake of the present invention adopts permanent magnet mechanism.
Beneficial effect of the present invention.
The spring mechanism that rotating shaft one end of the present invention rotates by magnet fluid sealing spindle nose and the drive shaft in the casing outside links to each other.Wide, the withstand voltage poor performance of magnet fluid sealing spindle nose Applicable temperature is good, guarantees that reliably SF6 gas is not revealed in the casing.
The controlled ports of the electronic release of divide-shut brake of the present invention links to each other with the output control terminal mouth of electronic controller; Electronic controller detects the electronic release action of size of current control divide-shut brake in higher level's circuit.Can in time control divide-shut brake of the present invention by electronic controller, the user is on-the-spot specified starting current and the counts of adjusting electronic controller according to the actual requirements, and electronic controller can be linked to each other with the fault telemetering device, realizes the monitoring of sectionalizer status remote.
Description of drawings
In order to make technical problem solved by the invention, technical scheme and beneficial effect clearer, below in conjunction with the drawings and the specific embodiments, the present invention is further elaborated.Should be appreciated that embodiment described herein only in order to explain the present invention, is not intended to limit the present invention.
Fig. 1 is front view of the present invention.
Fig. 2 is vertical view of the present invention.
Fig. 3 is that the present invention and sectionalizer and automatic circuit or circuit breaker are used schematic diagram.
Among the figure, 1 is that moving contact, 2 is that rotating shaft, 3 is that casing, 4 is that fixed contact, 5 is that conducting rod, 6 is that insulator, 7 is that binding post, 8 is that current transformer, 9 is that changable clasp, 10 is that the electronic release of divide-shut brake, 11 is that magnet fluid sealing spindle nose, 12 is that spring mechanism, 13 is energy accumulation handle.
Embodiment
As shown in Figure 1, the present invention includes casing 3, be filled with SF6 gas in the casing 3, casing 3 middle parts are provided with rotating shaft 2, are provided with moving contact 1 in the rotating shaft 2; Be provided with insulator 6 on the casing 3, insulator 6 one ends stretch in the casing 3 and corresponding to moving contact 1 and are provided with fixed contact 4, insulator 6 other ends are provided with binding post 7, binding post 7 links to each other by conducting rod 5 with fixed contact 4, the spring mechanism 12 that rotating shaft 2 one ends rotate by magnet fluid sealing spindle nose 11 and the drive shaft 2 in casing 3 outsides links to each other, spring mechanism 12 arranged outside have energy accumulation handle 13 and the electronic release 10 of divide-shut brake of driving spring mechanism 12, and the controlled ports of the electronic release 10 of divide-shut brake links to each other with the output control terminal mouth of electronic controller; Electronic controller detects electronic release 10 actions of size of current control divide-shut brake in higher level's circuit.
Described spring mechanism 12 shafts can adopt stainless steel to add the copper sheathing combination, have improved the corrosion resistance of spring mechanism 12, guarantee the reliability of work.
Be wound with current transformer 8 around the described conducting rod 5, the output of current transformer 8 links to each other with electronic controller power input mouth.The energy that only depends on self current transformer 8 to provide just can satisfy the power supply requirement of electronic controller.
Described casing 3 arranged outside have the Pressure gauge that detects casing 3 interior SF6 gas pressures.
Described spring mechanism 12 arranged outside have the changable clasp 9 of spring mechanism 12.
Described insulator 6 is silicon rubber compound insulator; Good seal performance, insulation property are strong.
Described casing 3 adopts the upper above corrosion resistant plate of 3mm to be welded.Casing 3 surfaces can take plastic-blasting to process, and intensity is high, corrosion-resistant, sealing is strong, but long-term stable operation.
The electronic release 10 of described divide-shut brake adopts permanent magnet mechanism.The permanent magnet mechanism motion energy is little, cooperates with current transformer 8, for the invention provides reliable and stable actuating mechanism.
The present invention can install by single pole according to user's needs, also can install by two bars.Single pole installation user provides the standard circuit breaker cradle for oneself and gets final product, and the optional standard cross-arm of two bar mounting brackets and channel-section steel get final product.Mounting means and pole-mounted circuit breaker are basic identical, and be convenient and swift.
As shown in Figure 3, automatic circuit is selected in electric substation's outlet, and adjusting is " one fast three is slow ".Branched line is selected the invention of six playscripts with stage directions F1, F2, F3, F4, F5, F6, and its circuit is divided into L1, L2, L3, L4, L5, L6, L7 section.Specified starting current value of the present invention matches with automatic circuit starting current value, F1 counts 3 times, F2, F3, F5 counts 2 times, F4, F6 counts 1 time.
If 1 fault E1 occurs in the L5 section, automatic circuit, F1, F3, F4 are by fault current, automatic circuit automatic brake separating, the circuit decompression, F4 reaches the counts automatic brake separating of adjusting 1 time, and isolated fault L5 section is recovered circuit L1, L2, L3, L4, L6, the power supply of L7 section behind the automatic circuit automatic reclosing.
If 2 fault E2 occur in the L6 section, automatic circuit, F1, F5 pass through fault current, the automatic circuit automatic brake separating, if be transient fault, the automatic circuit automatic reclosing successfully restores electricity.F1, F5 do not reach the counts of adjusting should be in "on" position.If be permanent fault, the automatic circuit automatic reclosing is unsuccessful, separating brake again, and the circuit decompression, F5 reaches the counts automatic brake separating of adjusting 2 times, isolated fault L6 section, F1 does not reach the counts of adjusting and is in "on" position.After overlapping, recovers automatic circuit circuit L1, L2, L3, L4, the power supply of L5 section.
If 3 fault E3 occur in the L2 section, automatic circuit, F1 are by fault current, automatic circuit automatic brake separating.If be transient fault, the automatic circuit automatic reclosing successfully restores electricity.F1 does not reach the counts of adjusting should be in "on" position.If be permanent fault, the automatic circuit unsuccessful reclosing, separating brake, automatic circuit is unsuccessful reclosing again, separating brake again, the circuit decompression, F1 reaches the counts automatic brake separating of adjusting 3 times, and isolated fault L2 section is recovered the power supply of circuit L1 section after automatic circuit overlaps.
Below in conjunction with description of drawings usage operation process of the present invention.
Sub-switching operation must at first pass through spring mechanism 12 energy storage, and after mechanism's energy storage, the sign arrow will be indicated energy storage state, and operation switch lever, spring mechanism 12 will drive rotating shaft 2 rotations 65 degree makes switch be in closing position.After sectionalizer closes a floodgate, the on/off switch arrow will point to closing position.
When fault current greater than specified starting current appears in circuit, electronic controller begins to start, behind upper level switch separating brake, electronic controller in the sectionalizer begins counting, sectionalizer is after the counts of having finished regulation, electric current in the circuit is during less than 300mA, controller provides the actuating coil that a signal of telecommunication is supplied with permanent magnet mechanism, drive moving unshakable in one's determination ejection of permanent magnet mechanism, lead agency is threaded off, and spring mechanism 12 tripping springs discharge, sectionalizer separating brake (total separating brake time is not more than 100mS), thereby realize the function of isolated fault section, treat the upper level switch again during reclosing fault section be isolated, but not fault section puts into operation.The energy accumulation handle of can leaving behind after the staff gets rid of fault, closing by hand recovers the circuit operation again.
When the upper level switch is got rid of through transient fault behind the reclosing, sectionalizer does not reach again the as usual power supply of counts circuit of regulation, through 20S(resetting time) after sectionalizer will again return to initial condition.
Above content is the further description of the present invention being done in conjunction with concrete preferred implementation; can not assert that implementation of the present invention is confined to these explanations; for the general technical staff of the technical field of the invention; without departing from the inventive concept of the premise; can also make some simple deduction or replace, all should be considered as belonging to the definite protection range of claims that the present invention submits to.
Claims (7)
1. outdoor AC high-voltage SF6 automatic sectionalizer comprises casing (3), and casing is filled with SF6 gas in (3), and casing (3) middle part is provided with rotating shaft (2), is provided with moving contact (1) in the rotating shaft (2); Be provided with insulator (6) on the casing (3), insulator (6) one ends stretch in the casing (3) and corresponding to moving contact (1) and are provided with fixed contact (4), insulator (6) other end is provided with binding post (7), binding post (7) links to each other by conducting rod (5) with fixed contact (4), it is characterized in that the spring mechanism (12) that rotating shaft (2) one ends rotate by magnet fluid sealing spindle nose (11) and the drive shaft (2) in casing (3) outside links to each other, spring mechanism (12) arranged outside has energy accumulation handle (13) and the electronic release of divide-shut brake (10) of driving spring mechanism (12), and the controlled ports of the electronic release of divide-shut brake (10) links to each other with the output control terminal mouth of electronic controller; Electronic controller detects the size of current control electronic release of divide-shut brake (10) action in higher level's circuit.
2. described outdoor AC high-voltage SF6 automatic sectionalizer according to claim 1 is characterized in that described conducting rod (5) is wound with current transformer (8) on every side, and the output of current transformer (8) links to each other with electronic controller power input mouth.
3. described outdoor AC high-voltage SF6 automatic sectionalizer according to claim 1 is characterized in that described casing (3) arranged outside has the Pressure gauge of the interior SF6 gas pressure of detection casing (3).
4. described outdoor AC high-voltage SF6 automatic sectionalizer according to claim 1 is characterized in that described spring mechanism (12) arranged outside has the changable clasp (9) of spring mechanism (12).
5. described outdoor AC high-voltage SF6 automatic sectionalizer according to claim 1 is characterized in that described insulator (6) is silicon rubber compound insulator.
6. described outdoor AC high-voltage SF6 automatic sectionalizer according to claim 1 is characterized in that described casing (3) adopts the upper above corrosion resistant plate of 3mm to be welded.
7. described outdoor AC high-voltage SF6 automatic sectionalizer according to claim 1 is characterized in that the electronic release of described divide-shut brake (10) adopts permanent magnet mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210582871.XA CN103065861B (en) | 2012-12-28 | 2012-12-28 | Outdoor AC high-voltage SF6 automatic sectionalizer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210582871.XA CN103065861B (en) | 2012-12-28 | 2012-12-28 | Outdoor AC high-voltage SF6 automatic sectionalizer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103065861A true CN103065861A (en) | 2013-04-24 |
| CN103065861B CN103065861B (en) | 2016-05-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210582871.XA Active CN103065861B (en) | 2012-12-28 | 2012-12-28 | Outdoor AC high-voltage SF6 automatic sectionalizer |
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| Country | Link |
|---|---|
| CN (1) | CN103065861B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105826126A (en) * | 2016-04-25 | 2016-08-03 | 郑文秀 | Intelligent double-power source vacuum circuit breaker |
| CN105826123A (en) * | 2016-04-25 | 2016-08-03 | 郑文秀 | High-voltage intelligent double-power source switching mechanism |
| CN106786339A (en) * | 2016-11-23 | 2017-05-31 | 沈阳成兴电气有限公司 | Wireless interlocked drop-off sectionalizer |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1034633A (en) * | 1987-06-25 | 1989-08-09 | 梅兰日兰公司 | The rotary switch that has curved surface shaped arc root transferring guiding means |
| CN2598121Y (en) * | 2002-12-11 | 2004-01-07 | 正泰集团公司 | Outdoor cut-off capacitor set high-voltage sulfur hexa fluoride load switch |
| JP2006236603A (en) * | 2005-02-22 | 2006-09-07 | Hitachi Ltd | Vacuum switchgear |
| CN2854794Y (en) * | 2005-12-06 | 2007-01-03 | 缪元昌 | Indoor AC hightension enclosed load switch |
| CN201788882U (en) * | 2010-08-10 | 2011-04-06 | 北京合纵科技股份有限公司 | Main transmission shaft kit of SF6 load switch |
| CN202189723U (en) * | 2011-08-19 | 2012-04-11 | 李英凯 | Outdoor alternating current high voltage vacuum automatic sectionalizer without external power supply |
-
2012
- 2012-12-28 CN CN201210582871.XA patent/CN103065861B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1034633A (en) * | 1987-06-25 | 1989-08-09 | 梅兰日兰公司 | The rotary switch that has curved surface shaped arc root transferring guiding means |
| CN2598121Y (en) * | 2002-12-11 | 2004-01-07 | 正泰集团公司 | Outdoor cut-off capacitor set high-voltage sulfur hexa fluoride load switch |
| JP2006236603A (en) * | 2005-02-22 | 2006-09-07 | Hitachi Ltd | Vacuum switchgear |
| CN2854794Y (en) * | 2005-12-06 | 2007-01-03 | 缪元昌 | Indoor AC hightension enclosed load switch |
| CN201788882U (en) * | 2010-08-10 | 2011-04-06 | 北京合纵科技股份有限公司 | Main transmission shaft kit of SF6 load switch |
| CN202189723U (en) * | 2011-08-19 | 2012-04-11 | 李英凯 | Outdoor alternating current high voltage vacuum automatic sectionalizer without external power supply |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105826126A (en) * | 2016-04-25 | 2016-08-03 | 郑文秀 | Intelligent double-power source vacuum circuit breaker |
| CN105826123A (en) * | 2016-04-25 | 2016-08-03 | 郑文秀 | High-voltage intelligent double-power source switching mechanism |
| CN106786339A (en) * | 2016-11-23 | 2017-05-31 | 沈阳成兴电气有限公司 | Wireless interlocked drop-off sectionalizer |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103065861B (en) | 2016-05-25 |
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| SE01 | Entry into force of request for substantive examination | ||
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Effective date of registration: 20160817 Address after: 110142, No. twenty-three, No. 11 South Road, Shenyang economic and Technological Development Zone, Liaoning, Shenyang Patentee after: Shenyang Changxing Electric Co., Ltd. Address before: 110142, No. twenty-three, No. 11 South Road, Shenyang economic and Technological Development Zone, Liaoning, Shenyang Patentee before: Wang Xingwei |