CN203119374U - Miniaturized split solid insulation ring main unit - Google Patents
Miniaturized split solid insulation ring main unit Download PDFInfo
- Publication number
- CN203119374U CN203119374U CN 201320044005 CN201320044005U CN203119374U CN 203119374 U CN203119374 U CN 203119374U CN 201320044005 CN201320044005 CN 201320044005 CN 201320044005 U CN201320044005 U CN 201320044005U CN 203119374 U CN203119374 U CN 203119374U
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- CN
- China
- Prior art keywords
- solid insulation
- main unit
- ring main
- stainless steel
- insulation ring
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- 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.)
- Expired - Lifetime
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Abstract
The utility model relates to a power supply network ring main unit of a high-voltage power system, especially a miniaturized split solid insulation ring main unit. The miniaturized split solid insulation ring main unit comprises a stainless steel casing. The miniaturized split solid insulation ring main unit is characterized in that a solid insulating part with an opening arranged at an upper portion is arranged inside the stainless steel casing; the lower end of the stainless steel casing is provided with a cable wiring chamber; a permanent magnet mechanism and a disconnecting switch manual-operation mechanism are fixedly installed above the solid insulating part; the upper end of the permanent magnet mechanism is provided with a manual-operation switching off starter; a top portion inside the stainless steel casing is provided with a switching off energy storage spring which penetrates the switching off starter and is connected with an upper shaft of the permanent magnet mechanism; the upper end of the stainless steel casing is provided with a microcomputer control system; and the middle portion of the stainless steel casing is provided with round observation windows through which grounding situation of a disconnecting contact switch can be observed. The miniaturized split solid insulation ring main unit of the high-voltage power system can assist in improving insulation ability and effectively eliminating potential safety hazards.
Description
Technical field:
The utility model relates to the supply network ring main unit of high-voltage electric power system, the split type solid insulation ring main unit of especially a kind of miniaturization.
Technical background:
The ring main unit of Cun Zaiing mostly adopts SF6 as dielectric in the market.Sulfur hexafluoride gas is widely used in the high voltage switchgear owing to its good insulation and arc extinction performance.The sulfur hexafluoride gas 50% of worldwide production is used for power industry according to statistics, and wherein 80% is used for high voltage switchgear.The domestic hermetically sealed ring main unit that moves has and all leans on sulfur hexafluoride gas as dielectric more than 90%.Revealing and discharging but this gas inevitably exists in inflation, operation, in reclaiming, is an important pollution sources of atmospheric environment, heavy damage existent environment of people.Can be divided into spring operating mechanism and permanent-magnet operating mechanism from the operating mechanism branch, adopt the ring main unit inner components of spring operating mechanism various, meeting generating mechanism stuck phenomenon, the mechanism-trouble rate is high.The ring main unit that has permanent magnet mechanism in the market, though the arrangement parts significantly reduce, stability increases relatively, but can't carry out manual brake separating when the electric control system of ring main unit goes wrong, and so just very big inconvenience has been brought in the place of shutting off power in emergency to needs.
The utility model content:
Relatively poor for the insulating capacity that overcomes existing ring main unit, degree of protection is lower, have the deficiency of potential safety hazard, the utility model provides a kind of miniaturization that promotes insulating capacity, effectively eliminates safe hidden trouble split type solid insulation ring main unit.
The technical scheme that its technical problem that solves the utility model adopts is: the split type solid insulation ring main unit of miniaturization, comprise Stainless Steel Shell, and be provided with the solid insulation of upper opening in the described Stainless Steel Shell, the lower end is provided with the cable connection chamber; Described solid insulation upper fixed is equipped with permanent magnet mechanism and isolation switch manual-operating mechanism, and described permanent magnet mechanism upper end is provided with the manual brake separating starter; Described Stainless Steel Shell inner top is equipped with the separating brake energy-stored spring, passes the separating brake starter and is connected with axle on the permanent magnet mechanism.
The upper end is sealed with the ground connection tool rest in the described solid insulation, and the lower left is sealed with the insulating base parts, and described insulating base parts comprise three isolated buses composition that is connected with three fixed contacts respectively; Described solid insulation lower right is sealed with the explosion-proof vacuum arc control device, and the quiet end of described explosion-proof vacuum arc control device top is connected with the insulator lower end; The isolation contact knife also is installed in the described solid insulation, one end of described isolation contact knife is corresponding with fixed contact or ground connection tool rest, the other end and quiet end contact are hinged, and when isolating the rotation of contact knife and quiet end contact pin joint, can connect fixed contact or the ground connection tool rest of insulating base parts respectively; Described quiet end contact is connected with the quiet end of explosion-proof vacuum arc control device by conduction switching row.
Also be provided with the isolation switch pull bar in the described solid insulation, the lower end links to each other with isolation contact knife middle part, and the upper end is connected with the isolation switch operating mechanism by solid insulation upper opening place.
Described permanent magnet mechanism below and insulator interlock.
The indoor pipe box of establishing of described cable connection has current transformer in the described pipe box, stretches in the solid insulation to be connected with the explosion-proof vacuum arc control device.
Described Stainless Steel Shell upper end is provided with Control System of Microcomputer, and the middle part is provided with circular observation window, can observe the ground connection situation of isolating contact knife.
The utility model advantage:
The alternate conducting position of the split type permanent magnetism solid insulation of the utility model miniaturization ring main unit is the solid insulation encapsulation, so just can accomplish to avoid cleaning and maintenance, has reduced the cost of operation maintenance.The insulating part exposed surface of main element can make it ground connection and eliminate electrostatic induction according to user's requirement coating shield semiconductors layer.Shielding measure has been adopted at tangible position, has stopped accident of human electric shock's generation, has improved safe handling.Perfect interlocking interlock system, the three-phase isolation fracture is high-visible, has avoided the generation of misoperation fault.The insulating properties of this insulation system is the several times of sulfur hexafluoride gas, and has realized miniaturization, lightweight and the greenization of switch cubicle.The split type permanent magnetism solid insulation of miniaturization ring main unit has installed the manual brake separating starter additional at permanent magnet mechanism when design, only need very little power just can realize manual brake separating, grasps to do for the maintenance power failure of circuit and has brought very big convenience.
Description of drawings
Fig. 1 is the cross-sectional view of the split type solid insulation ring main unit of the utility model miniaturization when closing a floodgate.
Cross-sectional view when Fig. 2 is the split type solid insulation ring main unit of the utility model miniaturization separating brake.
Fig. 3 is the structural representation of the split type solid insulation ring main unit of the utility model miniaturization.
Embodiment
As Fig. 1, Fig. 2, shown in Figure 3, the split type solid insulation ring main unit of miniaturization comprises Stainless Steel Shell 1, is provided with the solid insulation 2 of upper opening in the described Stainless Steel Shell 1, and the lower end is provided with cable connection chamber 3; Described solid insulation 2 upper fixed are equipped with permanent magnet mechanism 4 and isolation switch manual-operating mechanism 5, and described permanent magnet mechanism 4 upper ends are provided with manual brake separating starter 6; Described Stainless Steel Shell 1 inner top is equipped with separating brake energy-stored spring 7, passes manual brake separating starter 6 and is connected with axle on the permanent magnet mechanism 4.
The upper end is sealed with ground connection tool rest 8 in the described solid insulation 2, and the lower left is sealed with the insulating base parts, and described insulating base parts comprise three isolated buses 9 composition that is connected with three fixed contacts 10 respectively; Described solid insulation 2 lower rights are sealed with explosion-proof vacuum arc control device 11, and the quiet end of described explosion-proof vacuum arc control device 11 tops is connected with insulator 12 lower ends; Also be equipped with in the described solid insulation 2 and isolate contact knife 13, one end of described isolation contact knife 13 is corresponding with fixed contact 10 or ground connection tool rest 8, the other end and quiet end contact 14 are hinged, when isolating contact knife 13 and the rotation of quiet end contact 14 pin joints, can connect fixed contact 10 or the ground connection tool rest 8 of insulating base parts respectively; Described quiet end contact 14 is connected with the quiet end of explosion-proof vacuum arc control device 11 by conduction switching row 15.
Also be provided with isolation switch pull bar 16 in the described solid insulation 2, the lower end links to each other with isolation contact knife 13 middle parts, and the upper end is connected with isolation switch manual-operating mechanism 5 by solid insulation 2 upper opening places.
Described permanent magnet mechanism 4 belows and insulator 12 interlocks.
Described Stainless Steel Shell 1 upper end is provided with Control System of Microcomputer 19, and the middle part is provided with three circular observation windows 20, can observe the ground connection situation of isolating contact knife 13.
Operation principle of the present utility model is: as shown in Figure 1, when isolation switch manual-operating mechanism 5 during at closing position, explosion-proof vacuum arc control device 11 close a floodgate, major loop is connected, this moment is because the interlocking effect of isolation switch manual-operating mechanism 5 and permanent magnet mechanism 4 is connected isolation contact knife 13 and fixed contact 10; As shown in Figure 2, behind explosion-proof vacuum arc control device 11 separating brakes, isolation switch manual-operating mechanism 5 is opened, and major loop is connected ground connection tool rests 8 and is grounded by pipe box 17, explosion-proof vacuum arc control device 11, isolation contact knife 13; When explosion-proof vacuum arc control device 11 are in "on" position, if Control System of Microcomputer 19 breaks down, only need pin manual brake separating starter 6 can realize separating brake.
The above only is preferred implementation of the present utility model; should be understood that; for those skilled in the art; under the prerequisite that does not break away from the utility model know-why; can also make some improvement and modification, these improve and modification also should be considered as protection range of the present utility model.
Claims (6)
1. the split type solid insulation ring main unit of miniaturization comprises Stainless Steel Shell, it is characterized in that, be provided with the solid insulation of upper opening in the described Stainless Steel Shell, the lower end is provided with the cable connection chamber; Described solid insulation upper fixed is equipped with permanent magnet mechanism and isolation switch manual-operating mechanism, and described permanent magnet mechanism upper end is provided with the manual brake separating starter; Described Stainless Steel Shell inner top is equipped with the separating brake energy-stored spring, passes the separating brake starter and is connected with axle on the permanent magnet mechanism.
2. according to the split type solid insulation ring main unit of the described miniaturization of claim 1, it is characterized in that, the upper end is sealed with the ground connection tool rest in the described solid insulation, and the lower left is sealed with the insulating base parts, and described insulating base parts comprise three isolated buses composition that is connected with three fixed contacts respectively; Described solid insulation lower right is sealed with the explosion-proof vacuum arc control device, and the quiet end of described explosion-proof vacuum arc control device top is connected with the insulator lower end; The isolation contact knife also is installed in the described solid insulation, one end of described isolation contact knife is corresponding with fixed contact or ground connection tool rest, the other end and quiet end contact are hinged, and when isolating the rotation of contact knife and quiet end contact pin joint, can connect fixed contact or the ground connection tool rest of insulating base parts respectively; Described quiet end contact is connected with the quiet end of explosion-proof vacuum arc control device by conduction switching row.
3. according to claim 1 and the split type solid insulation ring main unit of 2 described miniaturizations, it is characterized in that, also be provided with the isolation switch pull bar in the described solid insulation, the lower end links to each other with isolation contact knife middle part, and the upper end is connected with the isolation switch operating mechanism by solid insulation upper opening place.
4. according to claim 1 and the split type solid insulation ring main unit of 2 described miniaturizations, it is characterized in that described permanent magnet mechanism below and insulator interlock.
5. according to claim 1 and the split type solid insulation ring main unit of 2 described miniaturizations, it is characterized in that the indoor pipe box of establishing of described cable connection has current transformer in the described pipe box, stretch into and be connected with the explosion-proof vacuum arc control device in the solid insulation.
6. according to the split type solid insulation ring main unit of the described miniaturization of claim 1, it is characterized in that described Stainless Steel Shell upper end is provided with Control System of Microcomputer, the middle part is provided with circular observation window, can observe the ground connection situation of isolating contact knife.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320044005 CN203119374U (en) | 2013-01-24 | 2013-01-24 | Miniaturized split solid insulation ring main unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320044005 CN203119374U (en) | 2013-01-24 | 2013-01-24 | Miniaturized split solid insulation ring main unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203119374U true CN203119374U (en) | 2013-08-07 |
Family
ID=48899692
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320044005 Expired - Lifetime CN203119374U (en) | 2013-01-24 | 2013-01-24 | Miniaturized split solid insulation ring main unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203119374U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103594952A (en) * | 2013-11-28 | 2014-02-19 | 扬州新概念电气有限公司 | Solid insulation measuring cabinet with separation disconnecting link |
-
2013
- 2013-01-24 CN CN 201320044005 patent/CN203119374U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103594952A (en) * | 2013-11-28 | 2014-02-19 | 扬州新概念电气有限公司 | Solid insulation measuring cabinet with separation disconnecting link |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP03 | Change of name, title or address |
Address after: 523000 No. 5 south entrance road, Sha Tin Town, Guangdong, Dongguan Patentee after: GUANGDONG ANPU ZHIXIN ELECTRIC Co.,Ltd. Address before: 101 B9 building, three Ben Kang Industrial Zone, Kwai Chung street, Longgang District, Guangdong, Shenzhen 518119, China Patentee before: SHENZHEN ANPOWER ELECTRIC Co.,Ltd. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20130807 |
|
| CX01 | Expiry of patent term |