CN102306913A - Aerated switch cabinet - Google Patents
Aerated switch cabinet Download PDFInfo
- Publication number
- CN102306913A CN102306913A CN201110234377A CN201110234377A CN102306913A CN 102306913 A CN102306913 A CN 102306913A CN 201110234377 A CN201110234377 A CN 201110234377A CN 201110234377 A CN201110234377 A CN 201110234377A CN 102306913 A CN102306913 A CN 102306913A
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- Prior art keywords
- switch
- cabinet
- aerated
- permanent
- vacuum switch
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Abstract
The invention discloses an aerated switch cabinet, at least comprising an aerated cabinet, a high-voltage component, a permanent-magnetic vacuum switch and a isolating-grounding three-position switch, wherein the permanent-magnetic vacuum switch and the isolating-grounding three-position switch are connected integrally and arranged in the aerated cabinet in a closed mode. In the aerated switch cabinet, the permanent-magnetic vacuum switch and the integral design are used, thus realizing the good safety, the high reliability, the strong adaptability and the maintenance-free effect. The aerated switch cabinet is applied to 10-35kV power distribution networks with ungrounded neutral points, neutral points grounded by arc suppression coils and neutral points grounded by resistance.
Description
Technical field
The present invention relates to a kind of electric equipment, the inflating switch cabinet in specifically a kind of power distribution network.
Background technology
Switch cubicle is a large amount of equipment that use in the power distribution network, and the safety of switch cubicle is directly connected to the fail safe and the power supply reliability of power distribution network.Conventional switch cubicle all adopts spring operating mechanism, and generally all primary elements such as circuit breaker, isolating switch, bus etc. adopt air insulation, has only the part switch cubicle totally-enclosed in the inflation cabinet.Therefore, mainly there is following problem in the ordinary tap cabinet:
(1) the ordinary tap cabinet adopts spring operating mechanism; Mechanical organ is many; Complex structure;, divide-shut brake all needs mechanical lock buckle when keeping; These machine components all receive mechanical shock in deciliter operating process each time; Be that mechanical cause faults takes place conventional circuit breaker, poor reliability, and the mechanical property of spring operating mechanism is cut-off characteristic with vacuum switch and is cooperated bad; In addition, because spring operating mechanism is not supported the intellectuality of switch cubicle, therefore do not satisfy the requirement of intelligent grid.
(2) all primary elements such as circuit breaker, isolating switch, bus etc. adopt air insulation in the ordinary tap cabinet, therefore running environment are required generally can not under mal-condition, use than higher.
In addition, the space is very limited in the switch cubicle, under condition of high voltage, must satisfy certain insulation distance, just can guarantee the safe handling of each components and parts.Because the volume of conventional permanent magnetism vacuum switch is bigger, can't be implemented in the application in the switch cubicle, especially can't satisfy present intelligent grid to the requirement of primary equipment and the developing direction of primary equipment.
Summary of the invention
The object of the invention just is to overcome the deficiency of above-mentioned prior art; And a kind of inflating switch cabinet that is used for 10～35kV power distribution network of isolated neutral, neutral by arc extinction coil grounding and neutral point resistance grounded is provided, this inflating switch cabinet is realized the effect that fail safe is good, reliability is high, adaptability is strong and non-maintaining through inflating switch cabinet and the integrated design of using the permanent magnetism vacuum switch.
Realize that the technical scheme that the object of the invention adopts is: a kind of inflating switch cabinet; At least comprise inflation cabinet and high pressure components and parts; Also comprise: permanent magnetism vacuum switch and isolation-ground connection three-station; Said permanent magnetism vacuum switch is connected with isolation-the ground connection three-station is integrated, and is arranged in the inflation cabinet with sealing.
Further, said high pressure components and parts also are contained in the inflation cabinet hermetically.
Further, said inflation cabinet is the all-sealed structure that stainless steel is processed.
The present invention has following unforeseeable advantage:
1. relative prior art; Bigger owing to conventional permanent magnetism vacuum switch volume in intelligent grid; The permanent magnetism vacuum switch can't be applied in the switch cubicle; The present invention replaces existing spring operating mechanism switch with the integrated permanent-magnet vacuum switch; Adopt the integrated design of permanent magnetism vacuum switch and isolation-ground connection three-station; Make permanent-magnet manipulating mechanism, switch, isolation switch and ground connection disconnecting link form a complete whole; Make compact equipment; Volume is little, in light weight, is more suitable in switch cubicle, using.Through adopting particular design insulation system, insulating material and inflation technology to overcome permanent magnetism vacuum switch volume in the present technology can't solve insulation distance greatly under condition of high voltage technical problem.
2. permanent magnetism vacuum switch element is few, and reliability is high.The present invention has realized the high-adaptability to environment with hermetically sealed, all insulations of high pressure components and parts such as permanent magnetism vacuum switch, isolation-ground connection three-station, buses, guarantees safe operation under extreme conditions; The hermetic characteristic of high-pressure section makes it have non-maintaining characteristic, has significantly reduced power failure servicing time.Meet intelligent grid to the requirement of primary equipment and the developing direction of primary equipment.
Description of drawings
Fig. 1 is the external structure sketch map of inflating switch cabinet of the present invention.
Fig. 2 is the internal structure sketch map of inflating switch cabinet of the present invention.
Embodiment
Below in conjunction with accompanying drawing and embodiment technical scheme of the present invention is done explanation further.
A kind of switch cubicle comprises inflation cabinet and high pressure components and parts at least, and its external structure comprises shell 4 as shown in Figure 1, and shell 4 is provided with end of incoming cables 1, leading-out terminal 2 and blocking mechanism.This inflating switch cabinet internal structure comprises as shown in Figure 2: permanent magnetism vacuum switch 6 and isolation-ground connection three-station 5, and said permanent magnetism vacuum switch 6 and 5 integrated connections of isolation-ground connection three-station, and be arranged in the inflation cabinet with sealing.Said high pressure components and parts also are contained in the inflation cabinet hermetically.Said inflation cabinet is the all-sealed structure that stainless steel is processed.
Traditional operating mechanism all uses extremely complicated transmission mechanism, and this drive mechanism is responsible for the kinetic energy of a mechanism is delivered to the three-phase moving contact of circuit breaker, and divide-shut brake all need keep mechanical lock buckle.These machine components all receive mechanical shock in breaking-closing operating process each time, be easy to take place mechanical breakdown.And the permanent-magnet manipulating mechanism 7 of permanent magnetism vacuum switch 6 in the present embodiment, its machine components than other traditional mechanism lack many, shared spatial volume is little, switch every joins independent permanent magnet mechanism mutually, can realize that the switch three-phase simultaneously or the independent operation mode.Compare with spring operating mechanism; The characteristic of permanent magnet mechanism is very near the requirement of vacuum circuit-breaker; It can directly link to each other with vacuum interrupter; Component number is minimized; Improve its functional reliability greatly, be characterized in quick action, the time is accurate and the life-span is long, simultaneously; Be easier to cooperate the intelligent inflating switch cabinet of formation, satisfy the demand of intelligent grid with intelligent controller intelligence.
Permanent magnetism vacuum switch and three station disconnecting link integrated designs make operating mechanism, switch, isolation switch and ground connection disconnecting link form a complete whole, make compact equipment/volume little, in light weight, are more suitable in inflating switch cabinet, using.
Inflating switch cabinet adopts the stainless steel all-sealed structure, and permanent magnetism vacuum switch and three-station are placed in the inflation cabinet, and totally-enclosed, all insulation property has determined the high-adaptability to environment, can be in safe operation under the extreme conditions.Have non-maintaining characteristic, significantly reduced power failure servicing time.
Claims (3)
1. inflating switch cabinet; At least comprise inflation cabinet and high pressure components and parts, it is characterized in that, also comprise: permanent magnetism vacuum switch and isolation-ground connection three-station; Said permanent magnetism vacuum switch is connected with isolation-the ground connection three-station is integrated, and is arranged in the inflation cabinet with sealing.
2. inflating switch cabinet according to claim 1 is characterized in that: described high pressure components and parts are contained in the inflation cabinet hermetically.
3. inflating switch cabinet according to claim 1 and 2 is characterized in that: said inflation cabinet is the all-sealed structure that stainless steel is processed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110234377A CN102306913A (en) | 2011-08-16 | 2011-08-16 | Aerated switch cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110234377A CN102306913A (en) | 2011-08-16 | 2011-08-16 | Aerated switch cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102306913A true CN102306913A (en) | 2012-01-04 |
Family
ID=45380740
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110234377A Pending CN102306913A (en) | 2011-08-16 | 2011-08-16 | Aerated switch cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102306913A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108471076A (en) * | 2017-12-21 | 2018-08-31 | 安徽宇腾真空电气有限责任公司 | A kind of novel circular mine vacuum power distribution equipment |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3915948A1 (en) * | 1989-05-12 | 1990-11-15 | Siemens Ag | POWER SWITCHGEAR WITH A THREE-POSITION SWITCH |
| CN101854036A (en) * | 2009-03-31 | 2010-10-06 | 青岛特锐德电气股份有限公司 | Air switch cabinet |
| CN201674150U (en) * | 2010-05-04 | 2010-12-15 | 句容富达电气科技有限公司 | Cordwood system intelligent ring network cabinet |
| CN101075730B (en) * | 2007-06-06 | 2011-03-16 | 青岛特锐德电气股份有限公司 | Distributing fireproof wall structure |
-
2011
- 2011-08-16 CN CN201110234377A patent/CN102306913A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3915948A1 (en) * | 1989-05-12 | 1990-11-15 | Siemens Ag | POWER SWITCHGEAR WITH A THREE-POSITION SWITCH |
| CN101075730B (en) * | 2007-06-06 | 2011-03-16 | 青岛特锐德电气股份有限公司 | Distributing fireproof wall structure |
| CN101854036A (en) * | 2009-03-31 | 2010-10-06 | 青岛特锐德电气股份有限公司 | Air switch cabinet |
| CN201674150U (en) * | 2010-05-04 | 2010-12-15 | 句容富达电气科技有限公司 | Cordwood system intelligent ring network cabinet |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108471076A (en) * | 2017-12-21 | 2018-08-31 | 安徽宇腾真空电气有限责任公司 | A kind of novel circular mine vacuum power distribution equipment |
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Application publication date: 20120104 |