CN205670653U - A kind of solid insulation ring main unit - Google Patents
A kind of solid insulation ring main unit Download PDFInfo
- Publication number
- CN205670653U CN205670653U CN201620570375.6U CN201620570375U CN205670653U CN 205670653 U CN205670653 U CN 205670653U CN 201620570375 U CN201620570375 U CN 201620570375U CN 205670653 U CN205670653 U CN 205670653U
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- CN
- China
- Prior art keywords
- main unit
- ring main
- contact
- cabinet
- switch
- 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.)
- Withdrawn - After Issue
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- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Abstract
The utility model proposes a kind of solid insulation ring main unit, including at least one road inlet wire ring main unit and at least one tunnel outlet ring main unit；Inlet wire ring main unit includes that the first cabinet, the first cabinet top are provided with fixed plate, and fixed plate is provided with upper contact head box, and upper contact head box connects has interbus, interbus to stretch out outside the first cabinet；Being provided with drawer car in the middle part of first cabinet, the side of drawer car is provided with disconnecting switch combination, and the opposite side of drawer car is provided with isolator operating mechanism and spring energy-storage operating mechanism；The lower section of drawer car is provided with lower contact box and earthed switch；Outlet ring main unit includes the second cabinet, is provided with operating mechanism room and the switch element being connected with operating mechanism room in the second cabinet, and switch element connects fuse canister assembly, and fuse canister assembly is connected with operating mechanism room by fuse tripping interlock.This utility model compact conformation, low cost, convenient maintenance；Stable performance, uses in the case of being suitable for High aititude and big electric current.
Description
Technical field
This utility model relates to ring main unit technical field, specifically a kind of solid insulation ring main unit.
Background technology
Ring main unit (Ring Main Unit) is that one group of transmission & distribution electrical equipment (high-tension switch gear) is contained in metal or non-gold
Belonging in insulation cabinet body or make the electrical equipment of assembled compartment ring network power supplying units, its core uses on-load switch and molten
Disconnected device, has simple in construction, volume is little, price is low, can improve power supply parameter and the advantage such as performance and power supply safety.It is by extensively
The general power distribution station being used in the load centers such as Urban Residential District, skyscraper, large public building, factory and enterprise and box
In transformer station.
Ring main unit in the market has employing SF6 gas-filling cabinet, solid insulation cabinet and dry air and N2Gas-filling cabinet.SF6
For greenhouse gases, can decomposite toxic gas, cannot recycle after life of product termination after cut-offfing electric arc, SF6 fills
Gas holder is unfavorable for environmental protection；Above-mentioned three kinds of cabinet types specification single parameter in the market is low, and is and fixedly mounted is inconvenient to tie up
Repair.Especially in high altitude localities and big electric current application scenario, the requirement to ring main unit is higher, the performance of ring main unit and installation and maintenance
Convenience all becomes very important parameter.
Utility model content
The utility model proposes a kind of solid insulation ring main unit, solve ring main unit maintenance inconvenience, property in prior art
The problems such as energy is poor, volume is big.
The technical solution of the utility model is achieved in that
A kind of solid insulation ring main unit, including at least one road inlet wire ring main unit and at least one tunnel outlet ring main unit；
Described inlet wire ring main unit includes that the first cabinet, the top of described first cabinet are provided with fixed plate, described fixed plate
On be provided with upper contact head box, described upper contact head box connects has interbus, described interbus to stretch out outside described first cabinet；Institute
The middle part stating the first cabinet is provided with drawer car, and the side of described drawer car is provided with disconnecting switch combination, described drawer
The opposite side of car is provided with isolator operating mechanism and spring energy-storage operating mechanism；The lower section of described drawer car is provided with
Lower contact box and earthed switch；
Described outlet ring main unit includes the second cabinet, be provided with in described second cabinet operating mechanism room and with described operation machine
The switch element that structure room connects, described switch element connects has fuse canister assembly, described fuse canister assembly to pass through fuse
Dropout interlock is connected with described operating mechanism room.
Further, the combination of described disconnecting switch includes vacuum switch pole, described vacuum switch pole
Two ends have two relative supporting parts, are provided with driving gear of isolating switch between two described supporting parts, described in keep apart
Close in drive mechanism and be equipped with disconnecting switch moving contact and lower disconnecting switch moving contact, described upper disconnecting switch moving contact and under
Disconnecting switch moving contact is protruding along two described supporting parts respectively, described upper disconnecting switch moving contact and described upper contact head box
Corresponding, described lower disconnecting switch moving contact is corresponding with described lower contact box；Described driving gear of isolating switch with described every
Connected by driving chain from switch operating mechanism.
Further, vacuum interrupter, one end of described vacuum interrupter it are provided with in described vacuum switch pole
Being connected with described upper disconnecting switch moving contact by contact wire, the other end of described vacuum interrupter is by contact Interposer contact
It is connected with described lower disconnecting switch moving contact；
One end that described vacuum interrupter is connected with described contact Interposer contact is also associated with insulated tension pole.
Further, described lower contact box includes static contact isolation switch valve, voltage transformer interface, spark gap interface
And cable interface.
Further, described static contact isolation switch valve includes cylindrical reach through hole, sets in described cylindrical reach through hole
Having interior insulation full skirt, the middle part of described cylindrical reach through hole to be provided with Interposer contact, the top of described cylindrical reach through hole is provided with peace
Full valve.
Further, described voltage transformer interface, spark gap interface are identical with cable interface structure, include wiring respectively
Terminal, described binding post be arranged over securing member, described securing member be arranged above insulator cap, the lower section of described binding post
For the stress set for accessing cable.
The beneficial effects of the utility model are:
This utility model simple in construction, reasonable in design, compact conformation, save space, cost of manufacture is low, and drawer car can be taken out
Go out, facilitate product repairing；Stable performance, uses in the case of being suitable for High aititude and big electric current.
Accompanying drawing explanation
In order to be illustrated more clearly that this utility model embodiment or technical scheme of the prior art, below will be to embodiment
Or the required accompanying drawing used is briefly described in description of the prior art, it should be apparent that, the accompanying drawing in describing below is only
It is embodiments more of the present utility model, for those of ordinary skill in the art, in the premise not paying creative work
Under, it is also possible to other accompanying drawing is obtained according to these accompanying drawings.
Fig. 1 is the structural representation of one embodiment of inlet wire ring main unit；
Fig. 2 is the side structure schematic diagram of embodiment in Fig. 1；
Fig. 3 is the structural representation of disconnecting switch one embodiment of combination；
Fig. 4 is the sectional structure schematic diagram of disconnecting switch combination in Fig. 3；
Fig. 5 is the structural representation of lower one embodiment of contact box；
Fig. 6 is the structural representation of one embodiment of static contact isolation switch valve；
Fig. 7 is the structural representation of one embodiment of voltage transformer interface；
Fig. 8 is the structural representation of one embodiment of this utility model；
Fig. 9 is the structural representation of one embodiment of outlet ring main unit.
Wherein:
1, the first cabinet；2, fixed plate；3, upper contact head box；4, interbus；5, drawer car；6, disconnecting switch combination；
7, isolator operating mechanism；8, spring energy-storage operating mechanism；9, lower contact box；10, earthed switch；11, vacuum switch sealing
Pole；12, supporting part；13, driving gear of isolating switch；14, upper disconnecting switch moving contact；15, lower disconnecting switch moving contact；
16, driving chain；17, vacuum interrupter；18, contact wire；19, contact Interposer contact；20, insulated tension pole；21, disconnecting switch
Static contact valve；22, voltage transformer interface；23, spark gap interface；24, cable interface；25, cylindrical reach through hole；26, interior
Insulation full skirt；27, Interposer contact；28, safety valve；29, binding post；30, securing member；31, insulator cap；32, stress set；
33, inlet wire ring main unit；34, outlet ring main unit；35, the second cabinet；36, operating mechanism room；37, switch element；38, fuse canister
Assembly；39, fuse tripping interlock.
Detailed description of the invention
Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of this utility model rather than whole
Embodiment.Based on the embodiment in this utility model, those of ordinary skill in the art are not under making creative work premise
The every other embodiment obtained, broadly falls into the scope of this utility model protection.
As shown in Figure 8, the solid insulation ring main unit in the present embodiment, including at least one road inlet wire ring main unit 33 and at least
Road outlet ring main unit 34.Inlet wire ring main unit 33 sets gradually with outlet ring main unit 34.
Seeing Fig. 9, outlet ring main unit 34 includes the second cabinet 35, be provided with in the second cabinet 35 operating mechanism room 36 and with behaviour
Making the switch element 37 that mechanism chamber 36 connects, switch element 37 connects has fuse canister assembly 38, fuse canister assembly 38 to pass through
Fuse tripping interlock 39 is connected with operating mechanism room 36.When running into fault, the fuse of fuse canister assembly 38 hits
Hitting device to eject, drive fuse tripping interlock 39, mechanism action in band pneumatic operating mechanism room 36, makes vacuum switch divide then
Lock, it is achieved protection act.
As depicted in figs. 1 and 2, inlet wire ring main unit includes that the first cabinet 1, the top of the first cabinet 1 are provided with fixed plate 2,
Being provided with upper contact head box 3 in fixed plate 2, upper contact head box 3 connects has interbus 4, interbus 4 to stretch out outside the first cabinet 1；The
The middle part of one cabinet 1 is provided with drawer car 5, and the side of drawer car 5 is provided with disconnecting switch combination 6, drawer car 5 another
Side is provided with isolator operating mechanism 7 and spring energy-storage operating mechanism 8；The lower section of drawer car 5 is provided with lower contact box 9
With earthed switch 10.
Seeing Fig. 3, in the present embodiment, disconnecting switch combination 6 includes vacuum switch pole 11, vacuum switch sealing pole
The two ends of post 11 have two relative supporting parts 12, are provided with driving gear of isolating switch 13 between two supporting parts 12, every
Being equipped with upper disconnecting switch moving contact 14 and lower disconnecting switch moving contact 15 in switch drive 13, upper disconnecting switch is dynamic to be touched
14 and lower disconnecting switch moving contact 15 protruding along two supporting parts 12 respectively, upper disconnecting switch moving contact 14 and upper contact head
Box 3 is corresponding, and lower disconnecting switch moving contact 15 is corresponding with lower contact box 9；Driving gear of isolating switch 13 is grasped with disconnecting switch
Make mechanism 7 to be connected by driving chain 16.Isolator operating mechanism 7 drives driving gear of isolating switch by driving chain 16
13 so that upper disconnecting switch moving contact 14 and lower disconnecting switch moving contact 15 stretch out or retract.When upper disconnecting switch moving contact 14
When stretching out with lower disconnecting switch moving contact 15, upper disconnecting switch moving contact 14 is connected with upper contact head box 3, lower disconnecting switch moving contact
15 are connected with the static contact isolation switch valve 21 of lower contact box 9, are "on" position；When upper disconnecting switch moving contact 14 and under
When disconnecting switch moving contact 15 is retracted, it is gate-dividing state.
Seeing Fig. 4, be provided with vacuum interrupter 17 in vacuum switch pole 11, one end of vacuum interrupter 17 is passed through
Contact wire 18 is connected with upper disconnecting switch moving contact 14, the other end of vacuum interrupter 17 by contact Interposer contact 2719 and
Lower disconnecting switch moving contact 15 connects；One end that vacuum interrupter 17 is connected with contact Interposer contact 2719 is also associated with insulation and draws
Bar 20.
Seeing Fig. 5, lower contact box 9 includes static contact isolation switch valve 21, voltage transformer interface 22, spark gap interface
23 and cable interface 24.
Seeing Fig. 6, static contact isolation switch valve 21 includes cylindrical reach through hole 25, in being provided with in cylindrical reach through hole 25
Insulation full skirt 26, the middle part of cylindrical reach through hole 25 is provided with Interposer contact 27, and the top of cylindrical reach through hole 25 is provided with safe work
Door 28.Instantly, when disconnecting switch moving contact 15 stretches out, stretch in cylindrical reach through hole 25, to Interposer contact 27；Instantly keep apart
When pass moving contact 15 is retracted, earthed switch 10 is stretched in cylindrical reach through hole 25 by lower section, to Interposer contact 27；Disconnecting switch is quiet
Contact valve 21 has two kinds of functions.
Voltage transformer interface 22, spark gap interface 23 are identical with cable interface 24 structure.With voltage transformer interface 22
As a example by, see Fig. 7, voltage transformer interface 22 includes binding post 29, binding post 29 be arranged over securing member 30, fastening
Part 30 be arranged above insulator cap 31, the lower section of binding post 29 be for access the stress of cable set 32.
The foregoing is only preferred embodiment of the present utility model, not in order to limit this utility model, all at this
Within the spirit of utility model and principle, any modification, equivalent substitution and improvement etc. made, should be included in this utility model
Protection domain within.
Claims (6)
1. a solid insulation ring main unit, it is characterised in that include at least one road inlet wire ring main unit and at least one tunnel outlet looped network
Cabinet；
Described inlet wire ring main unit includes that the first cabinet, the top of described first cabinet are provided with fixed plate, described fixed plate sets
Being equipped with upper contact head box, described upper contact head box connects has interbus, described interbus to stretch out outside described first cabinet；Described
The middle part of one cabinet is provided with drawer car, and the side of described drawer car is provided with disconnecting switch combination, described drawer car
Opposite side be provided with isolator operating mechanism and spring energy-storage operating mechanism；The lower section of described drawer car is provided with lower touching
Head cartridge and earthed switch；
Described outlet ring main unit includes the second cabinet, be provided with in described second cabinet operating mechanism room and with described operating mechanism room
The switch element connected, described switch element connects has fuse canister assembly, described fuse canister assembly to pass through fuse tripping
Interlock is connected with described operating mechanism room.
2. solid insulation ring main unit as claimed in claim 1, it is characterised in that the combination of described disconnecting switch includes vacuum switch
Pole, the two ends of described vacuum switch pole have two relative supporting parts, set between two described supporting parts
It is equipped with driving gear of isolating switch, in described driving gear of isolating switch, is equipped with disconnecting switch moving contact and lower disconnecting switch
Moving contact, described upper disconnecting switch moving contact and lower disconnecting switch moving contact are protruding along two described supporting parts respectively, institute
Stating disconnecting switch moving contact corresponding with described upper contact head box, described lower disconnecting switch moving contact is relative with described lower contact box
Should；Described driving gear of isolating switch is connected by driving chain with described isolator operating mechanism.
3. solid insulation ring main unit as claimed in claim 2, it is characterised in that be provided with in described vacuum switch pole
Vacuum interrupter, one end of described vacuum interrupter by contact wire be connected with described upper disconnecting switch moving contact, described very
The other end of empty arc-chutes is connected with described lower disconnecting switch moving contact by contact Interposer contact；
One end that described vacuum interrupter is connected with described contact Interposer contact is also associated with insulated tension pole.
4. solid insulation ring main unit as claimed in claim 3, it is characterised in that described lower contact box includes isolating switch static contact
Head valve, voltage transformer interface, spark gap interface and cable interface.
5. solid insulation ring main unit as claimed in claim 4, it is characterised in that described static contact isolation switch valve includes circle
Cylindricality reach through hole, is provided with interior insulation full skirt in described cylindrical reach through hole, the middle part of described cylindrical reach through hole is provided with middle touching
Head, the top of described cylindrical reach through hole is provided with safety valve.
6. solid insulation ring main unit as claimed in claim 5, it is characterised in that described voltage transformer interface, spark gap connect
Mouthful identical with cable interface structure, include binding post respectively, described binding post be arranged over securing member, described securing member
Be arranged above insulator cap, the lower section of described binding post is the stress set for accessing cable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620570375.6U CN205670653U (en) | 2016-06-14 | 2016-06-14 | A kind of solid insulation ring main unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620570375.6U CN205670653U (en) | 2016-06-14 | 2016-06-14 | A kind of solid insulation ring main unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205670653U true CN205670653U (en) | 2016-11-02 |
Family
ID=57192130
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620570375.6U Withdrawn - After Issue CN205670653U (en) | 2016-06-14 | 2016-06-14 | A kind of solid insulation ring main unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205670653U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105914639A (en) * | 2016-06-14 | 2016-08-31 | 河北箱变电器有限公司 | Solid insulating ring network cabinet |
-
2016
- 2016-06-14 CN CN201620570375.6U patent/CN205670653U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105914639A (en) * | 2016-06-14 | 2016-08-31 | 河北箱变电器有限公司 | Solid insulating ring network cabinet |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20161102 Effective date of abandoning: 20180105 |