CN203260901U - Main insulation cylinder of solid insulation ring main unit - Google Patents
Main insulation cylinder of solid insulation ring main unit Download PDFInfo
- Publication number
- CN203260901U CN203260901U CN 201320222755 CN201320222755U CN203260901U CN 203260901 U CN203260901 U CN 203260901U CN 201320222755 CN201320222755 CN 201320222755 CN 201320222755 U CN201320222755 U CN 201320222755U CN 203260901 U CN203260901 U CN 203260901U
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- insulation cylinder
- main
- main insulation
- isolating switch
- lower cavity
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Abstract
The utility model discloses a main insulation cylinder of a solid insulation ring main unit, a structure of which is provided with a vacuum arc-extinguishing chamber and a three-station isolation switch. The main insulation cylinder is characterized in that the vacuum arc-extinguishing chamber and the three-station isolation switch are respectively disposed in an upper cavity and a lower cavity of the main insulation cylinder; a dynamic contact in the vacuum arc-extinguishing chamber is provided with the elevating freedom degree under the driving of a main switch operation mechanism in the vertical direction to form an opening and closing structure with the static contact; a movable end of the three-position isolation switch is provided with the rotation freedom degree in the vertical direction with the help of an isolation switch driving mechanism, and a switching structure of the disconnecting station, the connecting station, and the grounding station can be formed by the movable end, the static contact, and a grounding contact, which are disposed in the arc extinguishing chamber. By changing the structure and the position relation of the vacuum arc-extinguishing chamber and the three-station isolation switch, a front side and a rear side of the main insulation cylinder are provided with transparent visual windows, and therefore the convenience can be provided for the inspection and the maintenance, and at the same time, the working efficiency and the safety coefficient can be improved.
Description
Technical field
The utility model belongs to the solid insulation ring main unit technical field, specifically the main insulation cylinder used of a kind of solid insulation ring main unit.
Background technology
Vacuum main switch in the prior art in the main insulation cylinder and tri-station isolating switch forward and backward being set up in parallel in cabinet, there is following drawback in this set form: the preceding isolating switch can by after the vacuum main switch stop the operating state that causes the maintainer can not observe at the rear side of main insulation cylinder isolating switch, so that the maintainer is to the service work difficult of the vitals of rear side setting, the maintainer have to often run observed the operating state of isolating switch to the front side of main insulation cylinder after, return rear side and continue maintenance.In case because the moved end of tri-station isolating switch does not contact with grounding contact, will maintainer's life security be threatened.As seen, forward and backwardly the vacuum main switch is set and tri-station isolating switch has brought numerous inconvenience to the staff, so that the service work inefficiency is dangerous high.
Summary of the invention
The utility model is in order to address the aforementioned drawbacks, designed the main insulation cylinder of using in a kind of solid insulation ring main unit, by changing structure and the position relationship of vacuum interrupter and tri-station isolating switch, and at the forward and backward bilateral installation of main insulation cylinder visual window, operating efficiency and the coefficient of safety of maintenance have also been improved when providing convenience condition for maintenance.
The technical solution adopted in the utility model is: the main insulation cylinder of using in a kind of solid insulation ring main unit, vacuum interrupter and tri-station isolating switch in the structure, key is: described vacuum interrupter and tri-station isolating switch are arranged at respectively the upper cavity of main insulation cylinder, in the lower cavity, the indoor moving contact of vacuum extinction has the vertical lifting degree of freedom and fixed contact by the driving of main switch operating mechanism and forms and open, close structure, the moved end of tri-station isolating switch has vertical rotary freedom by the isolating switch driving mechanism, respectively with quiet end, the fixed contact that vacuum extinction is indoor and grounding contact form separating brake, close a floodgate, the transformational structure of ground connection three stations.
Further, on the forward and backward two side of the main insulation cylinder that forms lower cavity, also be provided with the transparent visual window.
The beneficial effects of the utility model are: the utility model change vacuum main switch and tri-station isolating switch in cabinet before, after the form that is set up in parallel, with vacuum interrupter and tri-station isolating switch straight up, lower setting, so just so that front, the operating state that rear bilateral is observed isolating switch becomes possibility, then before cabinet, rear both sides increase visual window, improved like this maintainer's life security coefficient, meanwhile, the limitation of also having avoided maintainer's repeat runs to observe the isolating switch action to the cabinet front side has improved the operating efficiency of service work effectively.
Below in conjunction with accompanying drawing the utility model is elaborated.
Description of drawings
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the left view of Fig. 1;
In the accompanying drawing, the 1st, main insulation cylinder, 1-1 are upper cavity, 1-2 is lower cavity, the 2nd, and vacuum interrupter, 2-1 are moving contacts, 2-2 is fixed contact, and 3-1 is the moved end, and 3-2 is quiet end, 3-3 is grounding contact, and 1-2-1 is the arc transparent cover plate, and 1-2-2 is cable bonding conductor inserts, 1-2-3 is the isolation inlet-outlet sleeve, and 1-2-4 is preformed hole, and 1-2-5 is the curved cover plate connection inserting part, 1-1-1 is arc control device bonding conductor spares, and 1-1-2 is the bus casing connector, and 1-1-3 is the sealing ring mounting groove.
Embodiment
The main insulation cylinder of using in a kind of solid insulation ring main unit, vacuum interrupter 2 and tri-station isolating switch in the structure, importantly: described vacuum interrupter 2 and tri-station isolating switch are arranged at respectively the upper cavity 1-1 of main insulation cylinder 1, in the lower cavity 1-2, moving contact 2-1 in the vacuum interrupter 2 has the vertical lifting degree of freedom by the driving of main switch operating mechanism and opens with fixed contact 2-2 formation, close structure, the moved end 3-1 of tri-station isolating switch has vertical rotary freedom by the isolating switch driving mechanism, respectively with quiet end 3-2, the fixed contact 2-2 that vacuum extinction is indoor and grounding contact 3-3 form separating brake, close a floodgate, the transformational structure of ground connection three stations.On the forward and backward two side of the main insulation cylinder 1 that forms lower cavity, also be provided with the transparent visual window.Vacuum interrupter 2 and the forward and backward set-up mode of tri-station isolating switch are become the upper and lower structure that arranges, and simple in structure, like this, the transparent visual window that can arrange by the forward and backward two side at main insulation cylinder 1 is observed the operating state of isolating switch.
Be connected with external cable for the ease of isolating switch, on the sidewall of the main insulation cylinder 1 that forms lower cavity, also be provided with cable bonding conductor inserts 1-2-2, also be coated with isolation inlet-outlet sleeve 1-2-3 in the periphery of cable bonding conductor inserts 1-2-2, the quiet end 3-2 of tri-station isolating switch is hinged with isolation inlet-outlet sleeve 1-2-3 by cable bonding conductor inserts 1-2-2.
Described grounding contact 3-3 is fixed on the bottom surface of lower cavity of main insulation cylinder 1.
For ease of the setting of isolating switch driving mechanism, also be provided with the preformed hole 1-2-4 that the moved end 3-1 of tri-station isolating switch is connected with the drive end of isolating switch driving mechanism on the bottom surface of the lower cavity of main insulation cylinder 1.Like this, the isolating switch driving mechanism can not stop that the maintainer is the observation of moved end 3-1 to the isolation contact knife of tri-station isolating switch yet.
Also be provided with the through hole that is communicated with lower cavity on the bottom surface of the upper cavity in main insulation cylinder 1, arc control device bonding conductor spare 1-1-1 is arranged in the through hole, and the indoor fixed contact 2-2 of vacuum extinction passes arc control device bonding conductor spare 1-1-1 and is arranged on the end face of lower cavity 1-2.
In the technical program, the connected mode of bus is: also be fixed with the effective bus casing connector 1-1-2 of connection bus cover on the described main insulation cylinder 1, also be provided with sealing ring mounting groove 1-1-3 on bus casing connector 1-1-2.Like this, bus casing is connected with moving contact 2-1 by being flexible coupling.
Further, observe the position of isolation contact knife in the main insulation cylinder lower cavity for the ease of the maintainer, in the technical program, the transparent visual window that arranges in the rear two side of the main insulation cylinder 1 that forms lower cavity is by the fixing arc transparent cover plate 1-2-1 of curved cover plate connection inserting part 1-2-5.
In the specific implementation, referring to accompanying drawing 1, this solid insulation ring main unit is when sending electricity, the moved end 3-1 that drives tri-station isolating switch by the isolating switch driving mechanism namely isolates contact knife and turns clockwise, namely realize feed motion until connect with the fixed contact 2-2 of vacuum interrupter 2, the moving contact 2-1 that drives in the vacuum interrupter 2 by the main switch operating mechanism afterwards moves downward, until fasten the closing operation of namely having realized main switch with fixed contact 2-2.
When outage, at first driving moving contact 2-1 by the main switch operating mechanism moves upward, until separate the sub-switching operation of namely realizing main switch with fixed contact 2-2, afterwards, relending the isolation contact knife that helps the isolating switch driving mechanism to drive tri-station isolating switch is rotated counterclockwise to quiet end position and can realizes sub-switching operation.When needs overhaul, will isolate contact knife and be rotated counterclockwise to grounding contact 3-3 position, can carry out service work.
Claims (8)
1. the main insulation cylinder of using in the solid insulation ring main unit, vacuum interrupter in the structure (2) and tri-station isolating switch, it is characterized in that: described vacuum interrupter (2) and tri-station isolating switch are arranged at respectively the upper cavity (1-1) of main insulation cylinder (1), in the lower cavity (1-2), moving contact (2-1) in the vacuum interrupter (2) has the vertical lifting degree of freedom by the driving of main switch operating mechanism and opens with fixed contact (2-2) formation, close structure, the moved end of tri-station isolating switch (3-1) has vertical rotary freedom by the isolating switch driving mechanism, respectively with quiet end (3-2), the fixed contact (2-2) that vacuum extinction is indoor and grounding contact (3-3) form separating brake, close a floodgate, the transformational structure of ground connection three stations.
2. the main insulation cylinder of using in a kind of solid insulation ring main unit according to claim 1 is characterized in that: also be provided with the transparent visual window on the forward and backward two side of the main insulation cylinder (1) that forms lower cavity.
3. the main insulation cylinder of using in a kind of solid insulation ring main unit according to claim 1, it is characterized in that: on the sidewall of the main insulation cylinder (1) that forms lower cavity, also be provided with cable bonding conductor inserts (1-2-2), also be coated with isolation inlet-outlet sleeve (1-2-3) in the periphery of cable bonding conductor inserts (1-2-2), the quiet end (3-2) of tri-station isolating switch is hinged with isolation inlet-outlet sleeve (1-2-3) by cable bonding conductor inserts (1-2-2).
4. the main insulation cylinder of using in a kind of solid insulation ring main unit according to claim 1 is characterized in that: described grounding contact (3-3) is fixed on the bottom surface of lower cavity of main insulation cylinder (1).
5. the main insulation cylinder of using in a kind of solid insulation ring main unit according to claim 1 is characterized in that: also be provided with the preformed hole (1-2-4) that the moved end (3-1) of tri-station isolating switch is connected with the drive end of isolating switch driving mechanism on the bottom surface of the lower cavity of main insulation cylinder (1).
6. the main insulation cylinder of using in a kind of solid insulation ring main unit according to claim 1, it is characterized in that: also be provided with the through hole that is communicated with lower cavity on the bottom surface of the upper cavity in main insulation cylinder (1), arc control device bonding conductor spare (1-1-1) is arranged in the through hole, and the indoor fixed contact (2-2) of vacuum extinction passes arc control device bonding conductor spare (1-1-1) and is arranged on the end face of lower cavity (1-2).
7. the main insulation cylinder of using in a kind of solid insulation ring main unit according to claim 1, it is characterized in that: also be fixed with the effective bus casing connector (1-1-2) of connection bus cover on the described main insulation cylinder (1), on bus casing connector (1-1-2), also be provided with sealing ring mounting groove (1-1-3).
8. the main insulation cylinder of using in a kind of solid insulation ring main unit according to claim 2 is characterized in that: the transparent visual window that arranges in the rear two side of the main insulation cylinder (1) that forms lower cavity is by the fixing arc transparent cover plate (1-2-1) of curved cover plate connection inserting part (1-2-5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320222755 CN203260901U (en) | 2013-04-27 | 2013-04-27 | Main insulation cylinder of solid insulation ring main unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320222755 CN203260901U (en) | 2013-04-27 | 2013-04-27 | Main insulation cylinder of solid insulation ring main unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203260901U true CN203260901U (en) | 2013-10-30 |
Family
ID=49473439
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320222755 Expired - Lifetime CN203260901U (en) | 2013-04-27 | 2013-04-27 | Main insulation cylinder of solid insulation ring main unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203260901U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104466698A (en) * | 2014-12-10 | 2015-03-25 | 中国能建集团装备有限公司南京技术中心 | Solid insulation ring main unit main insulation module |
| CN109637888A (en) * | 2018-12-17 | 2019-04-16 | 江苏大烨智能电气股份有限公司 | A kind of environmental-protective gas-insulating killer switch |
-
2013
- 2013-04-27 CN CN 201320222755 patent/CN203260901U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104466698A (en) * | 2014-12-10 | 2015-03-25 | 中国能建集团装备有限公司南京技术中心 | Solid insulation ring main unit main insulation module |
| CN109637888A (en) * | 2018-12-17 | 2019-04-16 | 江苏大烨智能电气股份有限公司 | A kind of environmental-protective gas-insulating killer switch |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20131030 |
|
| CX01 | Expiry of patent term |