CN105914639A - Solid insulating ring network cabinet - Google Patents
Solid insulating ring network cabinet Download PDFInfo
- Publication number
- CN105914639A CN105914639A CN201610421178.2A CN201610421178A CN105914639A CN 105914639 A CN105914639 A CN 105914639A CN 201610421178 A CN201610421178 A CN 201610421178A CN 105914639 A CN105914639 A CN 105914639A
- Authority
- CN
- China
- Prior art keywords
- contact
- switch
- cabinet
- main unit
- ring main
- 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.)
- Granted
Links
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B13/00—Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle
- H02B13/02—Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle with metal casing
- H02B13/035—Gas-insulated switchgear
- H02B13/0354—Gas-insulated switchgear comprising a vacuum switch
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/14—Shutters or guards for preventing access to contacts
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/30—Cabinet-type casings; Parts thereof or accessories therefor
- H02B1/305—Cable entries
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/30—Cabinet-type casings; Parts thereof or accessories therefor
- H02B1/308—Mounting of cabinets together
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B11/00—Switchgear having carriage withdrawable for isolation
- H02B11/12—Switchgear having carriage withdrawable for isolation with isolation by horizontal withdrawal
- H02B11/173—Switchgear having carriage withdrawable for isolation with isolation by horizontal withdrawal drawer type
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
- Gas-Insulated Switchgears (AREA)
Abstract
The invention provides a solid insulating ring network cabinet which comprises at least one path of inlet wire ring network cabinet and at least one path of outlet wire ring network cabinet. The inlet wire ring cabinet comprises a first cabinet body. A fixed plate is arranged on the upper part of the first cabinet body. The fixed plate is provided with an upper contact box. The upper contact box is connected with a connection bus. The connection bus extends out from the first cabinet body. A drawer car is arranged on the middle part of the first cabinet body. A disconnecting switch combination is arranged at one side of the drawer car, and a disconnecting switch operation mechanism and a spring energy storage operation mechanism are arranged at the other side of the drawer car. A lower contact box and a grounding switch are arranged below the drawer car. The outlet wire ring network cabinet comprises a second cabinet body. The second cabinet body is internally provided with an operation mechanism chamber and a switch unit connected with the operation mechanism chamber. The switch unit is connected with a fuse cylinder assembly. The fuse cylinder assembly is connected with the operation mechanism chamber through a fuse releasing interlocking device. The solid insulating ring network cabinet has the advantages that the structure is compact, the cost is low, the maintenance is convenient, the performance is stable, and the solid insulating ring network cabinet is applicable to high altitude and heavy current conditions.
Description
Technical field
The present invention 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 in non-metallic insulation cabinet or make the electrical equipment of assembled compartment ring network power supplying units, its core
Use on-load switch and fuse, have simple in construction, volume is little, price is low, power supply parameter can be improved and
The advantage such as performance and power supply safety.It is widely used in Urban Residential District, skyscraper, large-scale public affairs
Build together and build, in the power distribution station of the load center such as factory and enterprise and box-type substation.
Ring main unit in the market has employing SF6 gas-filling cabinet, solid insulation cabinet and dry air and N2Inflation
Cabinet.SF6 is greenhouse gases, can decomposite toxic gas, nothing after life of product termination after cut-offfing electric arc
Method recycles, and SF6 gas-filling cabinet is unfavorable for environmental protection；Above-mentioned three kinds of cabinet types specification single parameter in the market is low,
And be and fixedly mounted be inconvenient to keep in repair.Especially in high altitude localities and big electric current application scenario, to looped network
The requirement of cabinet is higher, and performance and the property convenient to install and maintain of ring main unit all become very important parameter.
Summary of the invention
The present invention proposes a kind of solid insulation ring main unit, solve ring main unit maintenance in prior art inconvenient,
The problems such as poor performance, volume are big.
The technical scheme is that and be 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 the first cabinet, and the top of described first cabinet is provided with fixed plate, described
Being provided with upper contact head box in fixed plate, described upper contact head box connects has interbus, described interbus to stretch out
Outside described first cabinet；The middle part of described first cabinet is provided with drawer car, the side of described drawer car
Being provided with disconnecting switch combination, the opposite side of described drawer car is provided with isolator operating mechanism and spring
Stored energy 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, is provided with operating mechanism room and with described in described second cabinet
The switch element that operating mechanism room connects, described switch element connects fuse canister assembly, described fuse
Cartridge module is connected with described operating mechanism room by fuse tripping interlock.
Further, the combination of described disconnecting switch includes vacuum switch pole, described vacuum switch sealing
The two ends of pole have two relative supporting parts, are provided with disconnecting switch transmission between two described supporting parts
Mechanism, is equipped with disconnecting switch moving contact and lower disconnecting switch moving contact in described driving gear of isolating switch,
Described upper disconnecting switch moving contact and lower disconnecting switch moving contact are protruding along two described supporting parts respectively,
Described upper disconnecting switch moving contact is corresponding with described upper contact head box, and described lower disconnecting switch moving contact is with described
Lower contact box is corresponding；Described driving gear of isolating switch and described isolator operating mechanism pass through driving-chain
Bar connects.
Further, vacuum interrupter, described vacuum interrupter it are provided with in described vacuum switch pole
One end by contact wire be connected with described upper disconnecting switch moving contact, the other end of described vacuum interrupter
It 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.
Further, described lower contact box includes static contact isolation switch valve, voltage transformer interface, keeps away
Thunder device interface and cable interface.
Further, described static contact isolation switch valve includes cylindrical reach through hole, described cylindrical break-through
Being provided with interior insulation full skirt in hole, the middle part of described cylindrical reach through hole is provided with Interposer contact, and described cylinder is worn
The top of through hole is provided with safety valve.
Further, described voltage transformer interface, arrester interface are identical with cable interface structure, respectively
Including binding post, 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.
The invention have the benefit that
Present configuration is simple, reasonable in design, compact conformation, saves space, and cost of manufacture is low, drawer sedan-chair
Railway carriage or compartment can be extracted out, facilitates 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 the embodiment of the present invention or technical scheme of the prior art, below will be to enforcement
In example or description of the prior art, the required accompanying drawing used is briefly described, it should be apparent that, describe below
In accompanying drawing be only some embodiments of the present invention, for those of ordinary skill in the art, do not paying
On the premise of going out creative work, it is also possible to obtain other accompanying drawing 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 the invention；
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 combines；7, isolator operating mechanism；8, spring energy-storage operating mechanism；9, lower contact box；
10, earthed switch；11, vacuum switch 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 is gone out
Arc chamber；18, contact wire；19, contact Interposer contact；20, insulated tension pole；21, isolating switch static contact
Head valve；22, voltage transformer interface；23, arrester 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、
Second cabinet；36, operating mechanism room；37, switch element；38, fuse canister assembly；39, fuse
Dropout interlock.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clearly
Chu, be fully described by, it is clear that described embodiment be only a part of embodiment of the present invention rather than
Whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art are not making creation
The every other embodiment obtained under property work premise, broadly falls into the scope of protection of the invention.
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
At least one tunnel 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, is provided with operating mechanism in the second cabinet 35
Room 36 and the switch element 37 being connected with operating mechanism room 36, switch element 37 connects fuse canister assembly
38, fuse canister assembly 38 is connected with operating mechanism room 36 by fuse tripping interlock 39.Work as chance
During to fault, the fuse ram of fuse canister assembly 38 ejects, and drives fuse tripping interlock 39,
Then mechanism action in band pneumatic operating mechanism room 36, makes vacuum switch separating brake, 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, fixed plate 2 is provided with upper contact head box 3, and upper contact head box 3 connects interbus 4, contact
Bus 4 stretches out outside the first cabinet 1；The middle part of the first cabinet 1 is provided with drawer car 5, drawer car 5
Side is provided with disconnecting switch combination 6, and the opposite side of drawer car 5 is provided with isolator operating mechanism 7 He
Spring energy-storage operating mechanism 8；The lower section of drawer car 5 is provided with lower contact box 9 and earthed switch 10.
Seeing Fig. 3, in the present embodiment, disconnecting switch combination 6 includes vacuum switch pole 11, vacuum
The two ends of switch pole 11 have two relative supporting parts 12, are provided with between two supporting parts 12
Driving gear of isolating switch 13, is equipped with disconnecting switch moving contact 14 He in driving gear of isolating switch 13
Lower disconnecting switch moving contact 15, upper disconnecting switch moving contact 14 and lower disconnecting switch moving contact 15 are respectively along two
Individual supporting part 12 is protruding, and upper disconnecting switch moving contact 14 is corresponding with upper contact head box 3, under keep apart
Close moving contact 15 corresponding with lower contact box 9；Driving gear of isolating switch 13 and isolator operating mechanism 7
Connected by driving chain 16.Isolator operating mechanism 7 drives disconnecting switch to pass by driving chain 16
Motivation structure 13 so that upper disconnecting switch moving contact 14 and lower disconnecting switch moving contact 15 stretch out or retract.When
When upper disconnecting switch moving contact 14 and lower disconnecting switch moving contact 15 stretch out, upper disconnecting switch moving contact 14 with
Upper contact head box 3 connects, lower disconnecting switch moving contact 15 and the static contact isolation switch valve 21 of lower contact box 9
Connect, be "on" position；When upper disconnecting switch moving contact 14 and lower disconnecting switch moving contact 15 are retracted,
It is gate-dividing state.
See Fig. 4, in vacuum switch pole 11, be provided with vacuum interrupter 17, vacuum interrupter 17
One end by contact wire 18 be connected with upper disconnecting switch moving contact 14, the other end of vacuum interrupter 17
It is connected with lower disconnecting switch moving contact 15 by contact Interposer contact 2719；Vacuum interrupter 17 is with in the contact
Between contact 2719 connect one end be also associated with insulated tension pole 20.
See Fig. 5, lower contact box 9 include static contact isolation switch valve 21, voltage transformer interface 22,
Arrester interface 23 and cable interface 24.
Seeing Fig. 6, static contact isolation switch valve 21 includes cylindrical reach through hole 25, cylindrical reach through hole 25
Inside being provided with interior insulation full skirt 26, the middle part of cylindrical reach through hole 25 is provided with Interposer contact 27, cylindrical break-through
The top in hole 25 is provided with safety valve 28.Instantly, when disconnecting switch moving contact 15 stretches out, stretch into cylinder and wear
In through hole 25, to Interposer contact 27；Instantly when disconnecting switch moving contact 15 is retracted, earthed switch 10 by under
Side stretches in cylindrical reach through hole 25, to Interposer contact 27；Static contact isolation switch valve 21 has two kinds
Function.
Voltage transformer interface 22, arrester interface 23 are identical with cable interface 24 structure.With mutual induction of voltage
As a example by device interface 22, seeing Fig. 7, voltage transformer interface 22 includes binding post 29, binding post 29
Be arranged over securing member 30, securing member 30 be arranged above insulator cap 31, the lower section of binding post 29 for use
In the stress set 32 accessing cable.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all at this
Within bright spirit and principle, any modification, equivalent substitution and improvement etc. made, should be included in this
Within bright protection domain.
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
Road outlet ring main unit；
Described inlet wire ring main unit includes the first cabinet, and the top of described first cabinet is provided with fixed plate, described
Being provided with upper contact head box in fixed plate, described upper contact head box connects has interbus, described interbus to stretch out
Outside described first cabinet；The middle part of described first cabinet is provided with drawer car, the side of described drawer car
Being provided with disconnecting switch combination, the opposite side of described drawer car is provided with isolator operating mechanism and spring
Stored energy 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, is provided with operating mechanism room and with described in described second cabinet
The switch element that operating mechanism room connects, described switch element connects fuse canister assembly, described fuse
Cartridge module is connected with described operating mechanism room by fuse tripping interlock.
2. solid insulation ring main unit as claimed in claim 1, it is characterised in that described disconnecting switch combines
Including vacuum switch pole, the two ends of described vacuum switch pole have two relative supporting parts,
It is provided with driving gear of isolating switch between two described supporting parts, wears in described driving gear of isolating switch
Have upper disconnecting switch moving contact and a lower disconnecting switch moving contact, described upper disconnecting switch moving contact and under keep apart
Closing moving contact protruding along two described supporting parts respectively, described upper disconnecting switch moving contact is tactile with described
Head cartridge is corresponding, and described lower disconnecting switch moving contact is corresponding with described lower contact box；Described disconnecting switch passes
Motivation structure 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 described vacuum switch sealing
Being provided with vacuum interrupter in pole, one end of described vacuum interrupter is by contact wire and described upper isolation
Switch movable contact connects, and the other end of described vacuum interrupter is kept apart under described by contact Interposer contact
Pass moving contact connects；
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
Static contact isolation switch valve, voltage transformer interface, arrester interface and cable interface.
5. solid insulation ring main unit as claimed in claim 4, it is characterised in that described isolating switch static contact
Head valve includes cylindrical reach through hole, is provided with interior insulation full skirt, described cylinder in described cylindrical reach through hole
The middle part of reach through hole is provided with Interposer contact, and 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 connects
Mouthful, arrester interface identical with cable interface structure, include binding post respectively, described binding post upper
Side be provided with securing member, described securing member be arranged above insulator cap, the lower section of described binding post is for being used for accessing
The stress set of cable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610421178.2A CN105914639B (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 |
|---|---|---|---|
| CN201610421178.2A CN105914639B (en) | 2016-06-14 | 2016-06-14 | A kind of solid insulation ring main unit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105914639A true CN105914639A (en) | 2016-08-31 |
| CN105914639B CN105914639B (en) | 2018-01-05 |
Family
ID=56751488
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610421178.2A Active CN105914639B (en) | 2016-06-14 | 2016-06-14 | A kind of solid insulation ring main unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105914639B (en) |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2558013A1 (en) * | 1984-01-11 | 1985-07-12 | Merlin Gerin | Branch connection cabinet of a medium voltage electrical set. |
| EP1898505A1 (en) * | 2006-09-06 | 2008-03-12 | ABB PATENT GmbH | Control cabinet for a high, medium or low voltage substation |
| CN102222868A (en) * | 2011-06-22 | 2011-10-19 | 西安西能电器新技术发展有限公司 | Solid insulating vacuum ring network cabinet |
| CN102761074A (en) * | 2012-07-25 | 2012-10-31 | 湖北网安科技有限公司 | Anti-explosive type insulating gas looped network switch cabinet |
| WO2013159278A1 (en) * | 2012-04-24 | 2013-10-31 | 北京维益埃电气有限公司 | Fixation and encapsulation type vacuum switch cabinet with solid insulating assembly |
| CN104037642A (en) * | 2013-03-06 | 2014-09-10 | 湖北网安科技有限公司 | Atmospheric insulating gas high-voltage ring-net switch cabinet |
| CN104269766A (en) * | 2014-10-23 | 2015-01-07 | 何华斌 | Miniaturized switch cabinet of handcart type |
| CN105071277A (en) * | 2015-07-31 | 2015-11-18 | 益和电气集团股份有限公司 | Environment-friendly inflatable ring main unit |
| CN204992389U (en) * | 2015-08-17 | 2016-01-20 | 中天电气技术有限公司 | Solid insulating ring main unit |
| CN105633847A (en) * | 2016-03-30 | 2016-06-01 | 东电电气科技（杭州）股份有限公司 | High-voltage enclosed switch cabinet |
| CN205670653U (en) * | 2016-06-14 | 2016-11-02 | 河北箱变电器有限公司 | A kind of solid insulation ring main unit |
-
2016
- 2016-06-14 CN CN201610421178.2A patent/CN105914639B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2558013A1 (en) * | 1984-01-11 | 1985-07-12 | Merlin Gerin | Branch connection cabinet of a medium voltage electrical set. |
| EP1898505A1 (en) * | 2006-09-06 | 2008-03-12 | ABB PATENT GmbH | Control cabinet for a high, medium or low voltage substation |
| CN102222868A (en) * | 2011-06-22 | 2011-10-19 | 西安西能电器新技术发展有限公司 | Solid insulating vacuum ring network cabinet |
| WO2013159278A1 (en) * | 2012-04-24 | 2013-10-31 | 北京维益埃电气有限公司 | Fixation and encapsulation type vacuum switch cabinet with solid insulating assembly |
| CN102761074A (en) * | 2012-07-25 | 2012-10-31 | 湖北网安科技有限公司 | Anti-explosive type insulating gas looped network switch cabinet |
| CN104037642A (en) * | 2013-03-06 | 2014-09-10 | 湖北网安科技有限公司 | Atmospheric insulating gas high-voltage ring-net switch cabinet |
| CN104269766A (en) * | 2014-10-23 | 2015-01-07 | 何华斌 | Miniaturized switch cabinet of handcart type |
| CN105071277A (en) * | 2015-07-31 | 2015-11-18 | 益和电气集团股份有限公司 | Environment-friendly inflatable ring main unit |
| CN204992389U (en) * | 2015-08-17 | 2016-01-20 | 中天电气技术有限公司 | Solid insulating ring main unit |
| CN105633847A (en) * | 2016-03-30 | 2016-06-01 | 东电电气科技（杭州）股份有限公司 | High-voltage enclosed switch cabinet |
| CN205670653U (en) * | 2016-06-14 | 2016-11-02 | 河北箱变电器有限公司 | A kind of solid insulation ring main unit |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105914639B (en) | 2018-01-05 |
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