CN203481693U - High-voltage distribution PT ring main unit - Google Patents
High-voltage distribution PT ring main unit Download PDFInfo
- Publication number
- CN203481693U CN203481693U CN201320457799.8U CN201320457799U CN203481693U CN 203481693 U CN203481693 U CN 203481693U CN 201320457799 U CN201320457799 U CN 201320457799U CN 203481693 U CN203481693 U CN 203481693U
- Authority
- CN
- China
- Prior art keywords
- cabinet
- main unit
- locking
- ring main
- power distribution
- Prior art date
- 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 - Fee Related
Links
Images
Landscapes
- Patch Boards (AREA)
Abstract
The utility model discloses a high-voltage distribution PT ring main unit comprising a cabinet body and components disposed in the cabinet body, the components comprise an isolation switch, and a blocking device is disposed in the cabinet body and used for locking the isolation switch away from closing operation when a cabinet body door is opened. The cabinet body is assembled by cabinet body boards. The blocking device is disposed, so that misoperation can be effectively prevented, safety accidents can be reduced, and safety of cabinet body operators can be ensured; and the cabinet body is assembled by nuts and screws, workload for producing a power distribution cabinet is reduced, verticality and parallelism of framework are relatively good, assembly precision is high, and cost is low.
Description
Technical field
The utility model relates to high voltage power distribution technical field, especially relates to a kind of high voltage power distribution PT ring main unit.
Background technology
Along with quality and the requirement of equipment automatization operant level of society rapid development of economy national grid switching devices are more and more higher.
Traditional high voltage power distribution PT ring main unit is to adopt angle steel or sheet material bending to be welded, easily cause cabinet to be out of shape because of welding, be difficult to guarantee perpendicularity and the depth of parallelism of framework, the production cycle that welding needs is long, affect production efficiency, the gas simultaneously discharging when welding switch cabinet is contaminated air environment also.
In distribution field, the Electrical Safety of switchgear is most important, the existing general high voltage power distribution PT ring main unit together connection of railway carriage or compartment type ring main unit is that to adopt conduction type insulation column to connect its safe insulation Performance Ratio poor, and cabinet door can arbitrarily be opened, isolator operation when cabinet door is opened, easily cause security incident, there is no guard system, fail safe is poor.
Utility model content
Technical problem to be solved in the utility model is to provide the rational high voltage power distribution PT of a kind of topology layout ring main unit, to reach handling safety and object easy to maintenance.
In order to solve the problems of the technologies described above, the technical scheme that the utility model adopts is: a kind of high voltage power distribution PT ring main unit, comprise cabinet and be located at the components and parts in cabinet, described components and parts comprise isolating switch, are provided with the locking device that can not carry out closing operation when cabinet body door is opened for pinning isolating switch in described cabinet.
Further, described locking device comprises locking support plate, locking guide plate, pin mounting panel, spring, pin, " U " type pull bar, described locking guide plate is located on locking support plate, locking support plate is located on cabinet dividing plate, " U " type pull bar is through locking guide plate and pin mounting panel, on " U " type pull bar of spring housing in pin mounting panel, pin is located in the stopper slot of pin mounting panel.
Described cabinet assembles by cabinet-body plate.
In described cabinet, be provided with independently bus-bar room, control room, components and parts chamber.
The main shaft of described isolating switch is provided with axle sleeve, when dividing, closing a floodgate for isolating switch, with door locking, is provided with the obturator hernia that adaptation " U " type draws club head simultaneously on axle sleeve.
Described cabinet-body plate is aluminizing zine plate.
The utility model compared with prior art, has the following advantages:
1, topology layout compact and reasonable, switchgear is applicable, handling safety and easy to maintenance more economically, meets the requirement of distribution automation;
2, locking device is set, can effectively prevents that misoperation from occurring, reduce the generation of security incident, guarantee cabinet operating personnel's safety;
3, cabinet assembles by nut and screw, reduces the workload that power distribution cabinet is produced, and perpendicularity and the depth of parallelism of framework are better, and assembly precision is high, and cost is low.
Accompanying drawing explanation
Below the expressed content of each width accompanying drawing of this specification and the mark in figure are briefly described:
Fig. 1 is the utility model power distribution cabinet compartment distribution schematic diagram.
Fig. 2 is that in the utility model power distribution cabinet, components and parts are arranged schematic diagram.
Fig. 3 is the utility model locking device schematic diagram.
Fig. 4 is the utility model cabinet-body plate structural representation.
Fig. 5 is operating axis nested structure schematic diagram before the utility model.
Fig. 6 is Fig. 5 upward view.
Fig. 7 is shrouding latch shaft nested structure schematic diagram after the utility model.
Fig. 8 is Fig. 7 vertical view.
In figure: 1. control room, 2. bus-bar room, 3. a locking support, 4. locking device, 41. locking support plates, 42. locking guide plate I, 43. pin mounting panels, 44. springs, 45. pins, 46. locking guide plate II, 47. " U " type pull bar, 5. hoisting board, 6. isolating switch, 7. operating axis blocking mechanism, 8. fusible core support, 9. voltage transformer, 10. door handle, 11. lightning arresters, 12. dividing plates, 13. observation windows, 14. side cabinets, 15. front operation axle sleeves, 16. Qianmen latch plate, 17. obturator hernias, 18., rear shrouding locking axle sleeve, 19. back door latch plate.
Embodiment
Contrast accompanying drawing below, by the description to embodiment, embodiment of the present utility model is described in further detail.
As shown in Figures 1 to 8, this high voltage power distribution PT ring main unit, comprise cabinet and be located at the components and parts in cabinet, wherein, cabinet assembles by left and right side plate and upper and lower lintel, and side cabinet 14 adopts high strength aluminizing zine plate, adds self-tapping screw assemble after Digit Control Machine Tool processing and bending by riveting nut and 8.8 grades of screws, both the workload that had reduced switch cubicle welding, outward appearance is very attractive in appearance again; At cabinet top, be provided with hoisting board 5, be convenient to handling; Components and parts comprise isolating switch 6, fuse, lightning arrester 11, voltage transformer 9, and fuse is arranged in cabinet by fusible core support 8, reach the requirement of distribution automation; In cabinet, be provided with the locking device 4 that can not carry out closing operation when cabinet body door is opened for pinning isolating switch, in the situation that cabinet door is opened, can not operate isolating switch, thereby guarantee cabinet operating personnel's personal safety.
In cabinet, component placement is very rationally clear, in cabinet, be provided with independently bus-bar room 2, control room, components and parts chamber, between bus-bar room and components and parts chamber, be provided with dividing plate 12, also on cabinet, be provided with independently control room 1, while having fault to overhaul as components and parts, only need part compartment power-off maintenance, easy to maintenance.The cabinet body door of cabinet is provided with door handle 10 and observation window 13.
This high voltage power distribution PT ring main unit together railway carriage or compartment type ring main unit can left and right independent assortment, power distribution cabinet between railway carriage or compartment type ring main unit, connect to adopt together copper bar directly to connect its safety and insulation property all can meet the demands, if change more conveniently when defective in quality, reduce user's use cost.
Locking device 4 comprises locking support plate 41, locking guide plate, pin mounting panel 43, spring 44, pin 45, " U " type pull bar 47, wherein, locking guide plate comprises locking guide plate I 42 and locking guide plate II 46, locking guide plate I 42 is located on locking support plate, locking support plate 41 is located on the dividing plate of cabinet, pin mounting panel 43 is located between locking guide plate I 42 and locking guide plate II 46, " U " type pull bar is through locking guide plate and pin mounting panel, spring 44 is enclosed within on " U " type pull bar in pin mounting panel, pin 45 is located in the stopper slot of pin mounting panel.
The cabinet body door of the front and back of cabinet adopts inner blocking type design, and gap is little, and the degree of protection in cabinet reaches the object that diameter is greater than 1mm and cannot enter in cabinet, and security performance is high.And on cabinet body door, be provided with a locking support 3, on isolating switch main shaft, be provided with operating axis blocking mechanism 7, operating axis blocking mechanism comprises axle sleeve and latch plate, when dividing, closing a floodgate for isolating switch, with door locking, is provided with the obturator hernia that adaptation " U " type draws club head simultaneously on axle sleeve.
This electricity cabinet has perfect and advanced " five is anti-" blocking function, and its concrete performance is as follows:
Close a floodgate: when isolating switch closes a floodgate, operate axle sleeve 15 before under the drive of operating grip and rear shrouding locking axle sleeve 18 is rotated counterclockwise simultaneously, when the anglec of rotation of isolator operation axle is spent behind dead point, isolating switch carries out rapid closing under the pulling force of self axle spring.And be arranged on Qianmen latch plate 16 on main shaft and back door latch plate 19 all in state vertically downward, now the Qianmen latch plate on main shaft and back door latch plate are just in time stuck in the draw-in groove the inside of Qianmen locking support and back door locking support (rear shrouding) upper edge, and now first the correcting of the length of the bar head of " U " type pull bar is against on Qianmen locking support, brachycephaly one end of the bar head of " U " type pull bar apart from main shaft before latch plate approximately have the distance of 10mm.At this moment the forward and backward Men Jun of switch cubicle does not open, thereby guarantees switch cubicle operating personnel's the person and device security.
Separating brake: before under the drive at operating grip when isolating switch separating brake, operation axle sleeve and rear shrouding locking axle sleeve turn clockwise simultaneously, when the anglec of rotation of isolator operation axle is spent behind dead point, isolating switch isolating switch under the pulling force of self axle spring carries out quick acting switching-off.And be now arranged on isolating switch Qianmen latch plate 16 and back door latch plate 19 state in 58 ° and 32 ° respectively, now the forward and backward door of switch cubicle all can be opened.The brachycephaly of isolating switch bar head of " U " type pull bar of locking device after separating brake just in time inserts the distance of the obturator hernia 17 Rio 20mm of front operation axle sleeve, simultaneously between the dividing plate of locking device and bus-bar room, there is safe and reliable being connected, in the situation that opening for forward and backward, can not operate isolating switch.Could disconnecting switch operation while only having current, back door to close simultaneously, thus cabinet operating personnel's personal safety guaranteed.
By reference to the accompanying drawings the utility model is exemplarily described above; obviously the utility model specific implementation is not subject to the restrictions described above; as long as adopted the improvement of the various unsubstantialities that design of the present utility model and technical scheme carry out; or without improving, design of the present utility model and technical scheme are directly applied to other occasion, all within protection range of the present utility model.
Claims (6)
1. a high voltage power distribution PT ring main unit, comprise cabinet and be located at the components and parts in cabinet, it is characterized in that: described components and parts comprise isolating switch (6), in described cabinet, be provided with the locking device (4) that can not carry out closing operation when cabinet body door is opened for pinning isolating switch.
2. high voltage power distribution PT ring main unit as claimed in claim 1, it is characterized in that: described locking device (4) comprises locking support plate (41), locking guide plate, pin mounting panel (43), spring (44), pin (45), " U " type pull bar (47), described locking guide plate is located on locking support plate (41), locking support plate is located on cabinet dividing plate, " U " type pull bar (47) is through locking guide plate and pin mounting panel (43), spring (44) is enclosed within on " U " type pull bar (47) in pin mounting panel (43), pin (45) is located in the stopper slot of pin mounting panel (43).
3. high voltage power distribution PT ring main unit as claimed in claim 1, is characterized in that: described cabinet assembles by cabinet-body plate.
4. high voltage power distribution PT ring main unit as claimed in claim 1, is characterized in that: in described cabinet, be provided with independently bus-bar room, control room, components and parts chamber.
5. high voltage power distribution PT ring main unit as claimed in claim 2, is characterized in that: the main shaft of described isolating switch (6) is provided with axle sleeve, when dividing, closing a floodgate for isolating switch, with a door locking, is provided with the obturator hernia that adaptation " U " type draws club head simultaneously on axle sleeve.
6. high voltage power distribution PT ring main unit as claimed in claim 3, is characterized in that: described cabinet-body plate is aluminizing zine plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320457799.8U CN203481693U (en) | 2013-07-30 | 2013-07-30 | High-voltage distribution PT ring main unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320457799.8U CN203481693U (en) | 2013-07-30 | 2013-07-30 | High-voltage distribution PT ring main unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203481693U true CN203481693U (en) | 2014-03-12 |
Family
ID=50229949
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320457799.8U Expired - Fee Related CN203481693U (en) | 2013-07-30 | 2013-07-30 | High-voltage distribution PT ring main unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203481693U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103427358A (en) * | 2013-07-30 | 2013-12-04 | 芜湖明远电力设备制造有限公司 | High-voltage distribution PT ring main unit |
| CN110954219A (en) * | 2019-11-15 | 2020-04-03 | 芜湖伊莱特电气有限公司 | Power distribution cabinet abnormity detection device |
-
2013
- 2013-07-30 CN CN201320457799.8U patent/CN203481693U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103427358A (en) * | 2013-07-30 | 2013-12-04 | 芜湖明远电力设备制造有限公司 | High-voltage distribution PT ring main unit |
| CN103427358B (en) * | 2013-07-30 | 2015-08-19 | 芜湖明远电力设备制造有限公司 | A kind of high voltage power distribution PT ring main unit |
| CN110954219A (en) * | 2019-11-15 | 2020-04-03 | 芜湖伊莱特电气有限公司 | Power distribution cabinet abnormity detection device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204651718U (en) | A kind of fixed high-voltage switch cubicle | |
| CN112103833A (en) | Low-voltage draw-out type switch cabinet | |
| CN203481693U (en) | High-voltage distribution PT ring main unit | |
| CN204558934U (en) | A kind of fixed low-voltage distribution cabinet | |
| CN103427358B (en) | A kind of high voltage power distribution PT ring main unit | |
| CN218633060U (en) | Standardized low-voltage switchgear | |
| CN203504037U (en) | Safe isolation baffle opening device of trolley type high-tension switch cabinet | |
| CN216214996U (en) | Protection safety type high tension switchgear | |
| CN213026998U (en) | Switch cabinet with insulation protection | |
| CN102496877B (en) | Pressure relief apparatus of high voltage switch cabinet | |
| CN201781222U (en) | Irregular cross arm housing | |
| CN204558955U (en) | A kind of fixed high-voltage switch cubicle | |
| CN203760894U (en) | Drawer type low voltage switchgear | |
| CN103490319A (en) | Trolley type high-voltage switch cabinet safety isolation baffle opening device | |
| CN203014226U (en) | Armored metal switch closed cabinet latch-up fixture | |
| CN206595579U (en) | A kind of safety series distribution box | |
| CN206116982U (en) | Insulating perpendicular generating line guard shield mounting structure of pin -connected panel | |
| CN202978008U (en) | Switch cabinet | |
| CN203193132U (en) | Safety power distribution cabinet | |
| CN205016855U (en) | Outdoor compact intelligent substation high tension switchgear's mechanical interlocking device | |
| CN203859412U (en) | Box-shaped fixed-type metal sealed switch cabinet | |
| CN213460686U (en) | Distribution box with L-shaped movable slide rail type mounting plate | |
| CN103594945A (en) | Drawer type low-voltage switch cabinet | |
| CN203660384U (en) | Armoured moving type AC metal enclosed cabinet | |
| CN204225601U (en) | Coded lock blocking device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140312 Termination date: 20200730 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |