CN102280300A - Touchable high-voltage breaker - Google Patents
Touchable high-voltage breaker Download PDFInfo
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- CN102280300A CN102280300A CN2011101340223A CN201110134022A CN102280300A CN 102280300 A CN102280300 A CN 102280300A CN 2011101340223 A CN2011101340223 A CN 2011101340223A CN 201110134022 A CN201110134022 A CN 201110134022A CN 102280300 A CN102280300 A CN 102280300A
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- end conductive
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Abstract
The invention discloses a touchable high-voltage breaker, and relates to a high-voltage switch device. The touchable high-voltage breaker comprises three insulation poles and a mechanism box body, wherein a tripping handle, a switching handle and an energy storage handle are arranged outside the mechanism box body and are connected with an operating mechanism in a mechanism box by a lever; an output turn arm of the operating mechanism is linked with a transmission rotating shaft; the transmission rotating shaft is linked with a linkage push rod by a shifting fork; a contact in a vacuum extinction chamber moves up and down by pulling the push rod and an insulation pull rod up and down to control the switch-off and switch-on of the three-phase high-voltage breaker; each insulation pole is provided with three wiring ports, namely a movable end conducting interface, a static end conducting interface and a voltage detection point lead interface; and a current mutual inductor and a zero sequence mutual inductor are arranged outside the movable end conducting interface, and are cast into a whole. The invention has the advantages that: the breaker has a simple structure and a novel design; various connectors (connector bases) can be connected to the same standard wiring ports at two ends of the insulation poles, and wiring bus bars are not needed to be arranged additionally, so the breaker is simplified structurally, and the cost of equipment is saved; and the three-phase insulation poles are sealed by insulation materials in an integral molding way, and semiconductor shielding layers are arranged inside and outside the three-phase insulation poles to balance electric fields, so the high-voltage breaker can be touched directly and is resistant to moist and rainwater immersion, and the using range of the high-voltage breaker is expanded.
Description
Technical field
The present invention relates to high voltage switching device, specifically is a kind of tangibly primary cut-out.
Background technology
Primary cut-out (or claim high-voltage switch gear) it not only can cut off or the closed high circuit in no-load current and load current, and when Circuits System breaks down, can cut off overload current and short circuit current, have quite perfect arc extinguishing structure and enough cutout abilities.Circuit breaker generally can be divided into: oil circuit breaker (bulk-oil circuit-breaker, oil-minimum breaker), sulfur hexafluoride breaker (SF6 circuit breaker), vacuum circuit-breaker, compressed-air circuit breaker etc.
At present, existing high-pressure vacuum breaker is made up of vacuum interrupter and galvanic circle, mechanism case etc.The insulation of galvanic circle generally is made of organic insulating material outsourcing silicon rubber or epoxy resin etc., this high-pressure vacuum breaker in use, because the conductor Electric Field Distribution is unbalanced, the outside phenomenon that always has leakage current, can only be installed on the post when therefore installing out of doors, still along with the transformation of urban distribution network, overhead wire originally is converted into underground cable, controller switching equipment also will turn to undergroundly for this reason, and just needed a kind of all insulation and hermetic vacuum switch this moment.
Summary of the invention
It is a kind of safe in utilization that technical problem solved by the invention is to provide, and the outside full-shield primary cut-out that can touch.
Technical problem solved by the invention realizes by the following technical solutions:
A kind of tangibly primary cut-out, comprise three insulation poles and mechanism's casing, outer setting divide-shut brake handle and energy storage handle at mechanism's casing, described divide-shut brake handle and energy storage handle are connected with operating mechanism in the mechanism case by lever, the output toggle arm and the drive shaft of described operating mechanism link, drive shaft is by linking between shift fork and the interlock push rod, realize up and down that by pulling push rod and insulated tension pole the indoor contact of vacuum extinction moves up and down, thereby reach the disconnection and the closure of the primary cut-out of control three-phase, it is characterized in that: the surfaces externally and internally of described insulation pole all is provided with the layer of semiconductor screen, described every pole that insulate mutually is provided with three Wiring ports, be respectively the moved end conductive interface, quiet end conductive interface and voltage detecting point lead-in wire interface, outer setting at described moved end conductive interface has current transformer and zero-sequence transformer, and two kinds of instrument transformers are cast as one.
Described instrument transformer is fixed on the pole by fastener.
Described shield semiconductors layer is made by specific rubber, preferably modified EPT rubber.
Be the soft connecting mode of lead between conducting end and the moved end conductive interface under the vacuum interrupter in the described insulation pole.
Described insulation pole is provided with capacitor as the voltage detecting point.
The further technical scheme of the present invention is, described moved end conductive interface and quiet end conductive interface place are provided with moved end conductive connection bar and quiet end conductive connection bar respectively, with described moved end conductive connection bar and quiet end conductive connection bar is that radial arrangement is to guarantee the personal distance of high-tension bus-bar wiring place, the high-tension bus-bar that is connected external electrical network by moved end conductive connection bar with quiet end conductive connection bar, outside at described moved end conductive connection bar and quiet end conductive connection bar is surrounded by insulating material, between moved end conductive connection bar and the moved end conductive interface, all use the insulating material integral manufacturing between quiet end conductive connection bar and the quiet end conductive interface, the Wiring port place can guarantee its sealing property.
The technical scheme that also has is, described high potential cable termination is set directly in moved end conductive interface and the quiet end conductive interface, all use the insulating material integral manufacturing between high potential cable termination and moved end conductive interface and the quiet end conductive interface, the Wiring port place can guarantee its sealing property.
The insulation pole that described three-phase has a cavity is respectively A pole, B pole and the C pole that insulate mutually that insulate mutually that insulate mutually.
The interior periphery of described three phase isolated pole is provided with the shield semiconductors layer, and is one-body molded between described shield semiconductors layer and the described three phase isolated pole, and described shield semiconductors layer is covered described three phase isolated pole fully, with mechanism's casing conducting and ground connection.
The invention has the beneficial effects as follows simple in structure, modern design because the identical standard Wiring port in insulation pole two ends can connect various forms of connector lugs (seat), does not need to install in addition the wiring busbar, structurally ten minutes simplifies, saved the cost of equipment, and the three phase isolated pole is that the insulating material global formation seals the inside and outside shield semiconductors layer that all is provided with, balanced electric field, therefore can directly contact, ability is soaked by humidity and rainwater, has expanded the scope of application of primary cut-out.
Description of drawings
Fig. 1 is a structural representation of the present invention;
Fig. 2 is the front schematic view of Fig. 1;
Fig. 3 is a basic pattern front schematic view of the present invention;
Fig. 4 is a basic pattern side schematic view of the present invention;
Fig. 5 is first kind of mode of connection (the junction pole mode of connection) side schematic view among the present invention;
Fig. 6 is the front schematic view of Fig. 5;
Fig. 7 is the schematic top plan view of Fig. 5;
Fig. 8 is second kind of mode of connection of the present invention (cable connection mode) side schematic view;
Fig. 9 is the front schematic view of Fig. 8.
1-insulation pole among the figure, 2-mechanism casing, 3-divide-shut brake handle, 4-energy storage handle, the 5-drive shaft, the 51-shift fork, the 6-push rod that links, the 7-rocking arm, the 8-push rod, the 9-insulated tension pole, the 10-vacuum interrupter, 11-moved end conductive interface, 111-moved end conductive connection bar, the quiet end conductive interface of 12-, the quiet end conductive connection of 121-bar, 13-voltage detecting point lead-in wire interface, the 14-zero-sequence transformer, the 15-current transformer, 16-instrument transformer fastener, the 17-high potential cable termination, 18-shield semiconductors layer, the 19-operating mechanism.
Embodiment
For technological means, creation characteristic that the present invention is realized, reach purpose and effect is easy to understand, below in conjunction with concrete diagram, further set forth the present invention.
As Fig. 1, Fig. 2, Fig. 3 and shown in Figure 4, a kind of tangibly primary cut-out, comprise three insulation poles 1 and mechanism's casing 2, three insulation poles 1 are respectively insulation pole A, insulation pole B and insulation pole C, divide-shut brake handle 3 and energy storage handle 4 are installed in outside at mechanism's casing 2, wherein divide-shut brake handle 3 and energy storage handle 4 control operation mechanisms 19, the output toggle arm of operating mechanism and drive shaft 5 link, drive shaft 5 is connected by the end of shift fork 51 with interlock push rod 6, interlock push rod 6 also is installed in the inside of mechanism's casing 2, the other end connects the rocking arm 7 of three-phase; be connected between rocking arm 7 and the push rod 8; by the rotation of rocking arm 7; can spur push rod 8 and move up and down; owing to be to link mutually between push rod 8 and the insulated tension pole 9, realize that the contact that insulated tension pole 9 drives in the vacuum interrupter 10 moves up and down, thereby reach the disconnection and the closure of the primary cut-out of control three-phase.The pole 1 that wherein insulate is provided with three electrical interfaces, be respectively moved end conductive interface 11, quiet end conductive interface 12 and voltage detecting point lead-in wire interface 13, outside at moved end Wiring port 11 is equipped with instrument transformer, the integral body that instrument transformer is made up of current transformer 14 and zero-sequence transformer 15 is fixed on the insulation pole 1 with instrument transformer fastener 16.Be flexible coupling by lead between 10 times conducting end of vacuum interrupter in insulation pole 1 and the moved end conductive interface 11.Interior periphery at three insulation poles 1 is provided with the shield semiconductors layer 18 that ethylene propylene diene rubber is made, one-body molded between shield semiconductors layer 18 and three the insulation pole 1, shield semiconductors layer 18 is covered three insulation poles 1 and 2 conductings of mechanism's casing and ground connection fully, so balanced electric field, controlled leakage current, can touch with hand, and not have the danger of getting an electric shock.
The present invention in use, at first operate energy storage handle 4, make operating mechanism 19 energy storage in mechanism's casing 2, " closing " direction of actuating on/off switch handle 3 makes operating mechanism 19 release energy then, output rocking arm in the operating mechanism 19 drives drive shaft 5 rotations, shift fork 51 on the drive shaft 5 promotes interlock push rod 6 again, owing to all be interactive the connection between interlock push rod 6 and the rocking arm 7, therefore; rocking arm 7 rotation; promote push rod 8 and insulated tension pole 9 and move upward, thus make the contact closure in the vacuum interrupter 10 in the insulation pole 1 and realize breaker closing.During separating brake, " branch " direction of branch handle 3 is closed in actuating, promptly realizes breaker open operation.
As Fig. 5, Fig. 6 and shown in Figure 7, first kind of mode of connection (the junction pole mode of connection) among the present invention: moved end conductive connection bar 111 and quiet end conductive connection bar 121 are installed respectively at moved end conductive interface 11 and quiet end conductive interface 12 places, moved end conductive connection bar 111 and quiet end conductive connection bar 121 as shown are radial arrangement to guarantee the personal distance of high-tension bus-bar wiring place, the high-tension bus-bar that is connected external electrical network by moved end conductive connection bar 111 with quiet end conductive connection bar 121, outside at moved end conductive connection bar 111 and quiet end conductive connection bar 121 is surrounded by insulating material, between moved end conductive connection bar 111 and the moved end conductive interface 11, also carry out insulated enclosure between quiet end conductive connection bar 121 and the quiet end conductive interface 12 and handle with insulating material.
As Fig. 8, shown in Figure 9, second kind of mode of connection of the present invention (cable connection mode), high potential cable termination 17 directly is inserted on moved end conductive interface 11 and the quiet end conductive interface 12, carries out insulated enclosure with insulating material between high potential cable termination 17 and moved end conductive interface 11 and the quiet end conductive interface 12 and handle.
More than show and described basic principle of the present invention and principal character and advantage of the present invention.The technical staff of the industry should understand; the present invention is not restricted to the described embodiments; that describes in the foregoing description and the specification just illustrates principle of the present invention; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements all fall in the claimed scope of the invention.The claimed scope of the present invention is defined by appending claims and equivalent thereof.
Claims (10)
1. tangibly primary cut-out, comprise three insulation poles and mechanism's casing, outer setting divide-shut brake handle and energy storage handle at mechanism's casing, described divide-shut brake handle and energy storage handle are connected with operating mechanism in the mechanism case by lever, the output toggle arm and the drive shaft of described operating mechanism link, drive shaft is by linking between shift fork and the interlock push rod, realize up and down that by pulling push rod and insulated tension pole the indoor contact of vacuum extinction moves up and down, it is characterized in that: the surfaces externally and internally of described insulation pole all is provided with the layer of semiconductor screen, described every pole that insulate mutually is provided with three Wiring ports, be respectively the moved end conductive interface, quiet end conductive interface and voltage detecting point lead-in wire interface, outer setting at described moved end conductive interface has current transformer and zero-sequence transformer, and two kinds of instrument transformers are cast as one.
2. according to the described tangibly primary cut-out of claim 1, it is characterized in that: described current transformer and zero-sequence transformer are fixed on the insulation pole by fastener.
3. according to the described tangibly primary cut-out of claim 1, it is characterized in that: be the soft connecting mode of lead under the vacuum interrupter in the described insulation pole between conducting end and the moved end conductive interface.
4. according to the described tangibly primary cut-out of claim 1, it is characterized in that: described insulation pole is provided with capacitor as the voltage detecting point.
5. according to the described tangibly primary cut-out of claim 1, it is characterized in that: described three insulation poles are respectively A pole, B pole and the C pole that insulate mutually that insulate mutually that insulate mutually.
6. according to the described tangibly primary cut-out of claim 1, it is characterized in that: the interior periphery of described three phase isolated pole is provided with the shield semiconductors layer, one-body molded between described shield semiconductors layer and the described three phase isolated pole, described shield semiconductors layer is covered described three phase isolated pole fully, with mechanism's casing conducting and ground connection.
7. according to claim 1 or 6 described tangibly primary cut-outs, it is characterized in that: described shield semiconductors layer is made by specific rubber, preferably modified EPT rubber.
8. according to the described tangibly primary cut-out of claim 1, it is characterized in that: described moved end conductive interface and quiet end conductive interface place are provided with moved end conductive connection bar and quiet end conductive connection bar respectively, with described moved end conductive connection bar and quiet end conductive connection bar is radial arrangement, is connected the high-tension bus-bar of external electrical network with quiet end conductive connection bar by moved end conductive connection bar.
9. described according to Claim 8 tangibly primary cut-out, it is characterized in that: the outside at described moved end conductive connection bar and quiet end conductive connection bar is surrounded by insulating material, between moved end conductive connection bar and the moved end conductive interface, all use the insulating material integral manufacturing between quiet end conductive connection bar and the quiet end conductive interface.
10. according to the described tangibly primary cut-out of claim 1, it is characterized in that: described high potential cable termination is set directly in moved end conductive interface and the quiet end conductive interface, all uses the insulating material integral manufacturing between high potential cable termination and moved end conductive interface and the quiet end conductive interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101340223A CN102280300A (en) | 2011-05-23 | 2011-05-23 | Touchable high-voltage breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101340223A CN102280300A (en) | 2011-05-23 | 2011-05-23 | Touchable high-voltage breaker |
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| CN102280300A true CN102280300A (en) | 2011-12-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2011101340223A Pending CN102280300A (en) | 2011-05-23 | 2011-05-23 | Touchable high-voltage breaker |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105719896A (en) * | 2016-03-28 | 2016-06-29 | 苏刚印 | Side-mounting type high-voltage vacuum circuit breaker |
| CN105788953A (en) * | 2016-04-25 | 2016-07-20 | 宏秀电气有限公司 | Intelligent high voltage vacuum circuit breaker |
| CN106449276A (en) * | 2016-10-14 | 2017-02-22 | 张凯 | Reversible contactor |
| CN106449295A (en) * | 2016-10-14 | 2017-02-22 | 张凯 | Circuit breaker |
| CN113782380A (en) * | 2020-06-09 | 2021-12-10 | 华电高科(北京)电气有限公司 | New High Voltage Outdoor Vacuum Switch |
| CN114156763A (en) * | 2021-10-29 | 2022-03-08 | 宁波耐森电气科技有限公司 | Economical switchgear suitable for wind power |
| WO2023077325A1 (en) * | 2021-11-03 | 2023-05-11 | 特变电工云集电气有限公司 | Integrated high-voltage alternating-current vacuum circuit breaker |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2079089A2 (en) * | 2008-01-09 | 2009-07-15 | Hitachi Ltd. | Vacuum switchgear and a method of diagnosing vacuum pressure thereof |
| CN201331980Y (en) * | 2008-12-31 | 2009-10-21 | 宁波鑫鑫鑫寅电气有限公司 | Insulation column applicable to cable circuit |
| CN201364853Y (en) * | 2009-01-13 | 2009-12-16 | 华仪电气股份有限公司 | Touchable vacuum circuit breaker |
| CN101916688A (en) * | 2010-08-06 | 2010-12-15 | 郑文秀 | Totally shielded touchable vacuum circuit breaker used on outdoor column |
| CN202042412U (en) * | 2011-05-23 | 2011-11-16 | 宏秀电气(安徽)有限公司 | Touchable high-voltage circuit breaker |
-
2011
- 2011-05-23 CN CN2011101340223A patent/CN102280300A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2079089A2 (en) * | 2008-01-09 | 2009-07-15 | Hitachi Ltd. | Vacuum switchgear and a method of diagnosing vacuum pressure thereof |
| CN201331980Y (en) * | 2008-12-31 | 2009-10-21 | 宁波鑫鑫鑫寅电气有限公司 | Insulation column applicable to cable circuit |
| CN201364853Y (en) * | 2009-01-13 | 2009-12-16 | 华仪电气股份有限公司 | Touchable vacuum circuit breaker |
| CN101916688A (en) * | 2010-08-06 | 2010-12-15 | 郑文秀 | Totally shielded touchable vacuum circuit breaker used on outdoor column |
| CN202042412U (en) * | 2011-05-23 | 2011-11-16 | 宏秀电气(安徽)有限公司 | Touchable high-voltage circuit breaker |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105719896A (en) * | 2016-03-28 | 2016-06-29 | 苏刚印 | Side-mounting type high-voltage vacuum circuit breaker |
| CN105788953A (en) * | 2016-04-25 | 2016-07-20 | 宏秀电气有限公司 | Intelligent high voltage vacuum circuit breaker |
| CN106449276A (en) * | 2016-10-14 | 2017-02-22 | 张凯 | Reversible contactor |
| CN106449295A (en) * | 2016-10-14 | 2017-02-22 | 张凯 | Circuit breaker |
| CN106449295B (en) * | 2016-10-14 | 2019-01-18 | 张凯 | A kind of breaker |
| CN113782380A (en) * | 2020-06-09 | 2021-12-10 | 华电高科(北京)电气有限公司 | New High Voltage Outdoor Vacuum Switch |
| CN114156763A (en) * | 2021-10-29 | 2022-03-08 | 宁波耐森电气科技有限公司 | Economical switchgear suitable for wind power |
| CN114156763B (en) * | 2021-10-29 | 2024-04-09 | 宁波耐森电气科技有限公司 | Economical switchgear suitable for wind power |
| WO2023077325A1 (en) * | 2021-11-03 | 2023-05-11 | 特变电工云集电气有限公司 | Integrated high-voltage alternating-current vacuum circuit breaker |
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Application publication date: 20111214 |