CN207625120U - A kind of modularization environmental protection gas-insulated ring network cabinet - Google Patents
A kind of modularization environmental protection gas-insulated ring network cabinet Download PDFInfo
- Publication number
- CN207625120U CN207625120U CN201721793675.1U CN201721793675U CN207625120U CN 207625120 U CN207625120 U CN 207625120U CN 201721793675 U CN201721793675 U CN 201721793675U CN 207625120 U CN207625120 U CN 207625120U
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- China
- Prior art keywords
- main unit
- ring main
- rack
- switch
- positioned over
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Abstract
The utility model discloses a kind of modularization environmental protection gas-insulated ring network cabinet, the ring main unit includes control room, mechanism chamber, cable vault, closed switch gear room and pressure releasing chamber, and control room is positioned over the preceding surface of the ring main unit；Mechanism chamber includes breaker or on-load switch mechanism, sealed rotating device, the window that quarantines, observation window and three station interrupters；Closed switch gear room includes Stainless Steel Shell, rack components, insulation Down Highway, L-type outlet casing tube, grounding copper bar and ejection thread casing；The mechanism chamber and closed switch gear room are in conjunction with the centre position for being positioned over the ring main unit；The cable vault is positioned over the preceding underface of the ring main unit；The pressure releasing chamber is positioned over the rear underface of the ring main unit.Above-mentioned ring main unit arc extinction performance is good, and stable operation, low cost, service life is long, at the same it is simple in structure, small, pollution-free and be avoided that largely use epoxy casting insulating part.
Description
Technical field
The utility model is related to high voltage power distribution switching technique field more particularly to a kind of modularization environmental protection gas-insulated ring networks
Cabinet.
Background technology
Currently, domestic high voltage power distribution ring main unit developing history have passed through：Air-generating ring main unit, air pressing type ring main unit, SF6 rings
Net cabinet, vacuum ring main unit and solid type ring main unit, to the very strong environmentally friendly gas-insulated ring network cabinet of environmental consciousness.
Product often regenerates and primary existing product is necessarily made to lead to the problem of and be overcome or satisfactory for various reasons
Solution.When cut-offfing load such as air-generating ring main unit, arc light is exposed, the short, Maintenance and Repair that are easy to cause safety accident, service life
Heavy workload etc., so being eliminated by air pressing type ring main unit；And air pressing type ring main unit operating mechanism limitation is big, poor reliability,
The shortcomings of mechanical life is not high is also gradually replaced by SF6 ring main units or vacuum ring main unit, and SF6 ring main units and vacuum looped network
Cabinet has his own strong points shortage again.SF6 ring main units constitution institute is small, but SF6 gases used are will produce after high voltage decomposes with poison
Property subfluoride gas, if cannot be recycled well but will produce environmentally friendly relevant issues hair in direct emission air
It is raw；Though vacuum ring main unit is pollution-free, unique disadvantage is exactly that volume is excessive；And the epoxy casting insulating part of solid insulation ring main unit is deposited
The bigger and discarded epoxy casting insulating part of insulation hidden danger 10000 years it is immortal, environmental pollution is very big.Therefore exploitation one
Kind of arc extinction performance is good, stable operation, low cost, service life are long, simple in structure, small and free of contamination product becomes currently
Project.
Invention content
The purpose of this utility model is to provide a kind of modularization environmental protection gas-insulated ring network cabinet, the ring main unit arc extinction performance
Good, stable operation, low cost, service life is long, while simple in structure, small, pollution-free and be avoided that and largely use epoxy
Casting insulated part.
The purpose of this utility model is achieved through the following technical solutions：
A kind of modularization environmental protection gas-insulated ring network cabinet, which is characterized in that the ring main unit include control room, mechanism chamber,
Cable vault, closed switch gear room and pressure releasing chamber, wherein：
The control room is positioned over the preceding surface of the ring main unit；
The mechanism chamber includes breaker or on-load switch mechanism, sealed rotating device, the window that quarantines, observation window and three
Station interrupter；
The closed switch gear room includes Stainless Steel Shell, rack components, insulation Down Highway, L-type outlet casing tube, grounding copper bar
With ejection thread casing；
Preceding Z plates in the rack components are fixed in the closed case of the ring main unit, switch shaft and isolation shaft assembly
Be connected on the sealed rotating device of the ring main unit closed case, by two sealed rotating devices respectively with the machine
The indoor breaker of structure or on-load switch mechanism and three station interrupters link；
3 ejections in the rack components are flexible coupling to be fastened with the ejection thread casing of the closed switch gear room respectively, shape
It is connected at being powered with the external world；
3 L in the rack components, which are crossed, meets the L that copper bar is connected to the closed switch gear room by the Down Highway that insulate respectively
Type outlet casing tube is formed and is connected with extraneous be powered；
The mechanism chamber and closed switch gear room pass through the sight of the mechanism chamber in conjunction with the centre position for being positioned over the ring main unit
It examines window and can penetrate the window that quarantines and observe isolation knife state in which in the isolation shaft assembly of the rack components；
The cable vault is positioned over the preceding underface of the ring main unit；
The pressure releasing chamber is positioned over the rear underface of the ring main unit.
Above-mentioned ring main unit arc extinction performance is good it can be seen from above-mentioned technical solution provided by the utility model, stable operation,
Low cost, service life is long, at the same it is simple in structure, small, pollution-free and be avoided that largely use epoxy casting insulating part.
Description of the drawings
It is required in being described below to embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment
The attached drawing used is briefly described, it should be apparent that, the accompanying drawings in the following description is only some implementations of the utility model
Example, for those of ordinary skill in the art for, without creative efforts, can also be according to these attached drawings
Obtain other accompanying drawings.
Fig. 1 is the structural schematic diagram for the modularization environmental protection gas-insulated ring network cabinet that the utility model embodiment provides；
Fig. 2 is provided the structural schematic diagram of closed switch gear room by the utility model；
Fig. 3 is provided the structural schematic diagram of rack components by the utility model embodiment.
Specific implementation mode
With reference to the attached drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out clear
Chu is fully described by, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole realities
Apply example.Based on the embodiments of the present invention, those of ordinary skill in the art are obtained without making creative work
The every other embodiment obtained, belongs to the scope of protection of the utility model.
The utility model embodiment is described in further detail below in conjunction with attached drawing, is as shown in Figure 1 this practicality
New embodiment provide modularization environmental protection gas-insulated ring network cabinet structural schematic diagram, the ring main unit mainly include control room 1,
Mechanism chamber 2,5 several parts of cable vault 3, closed switch gear room 4 and pressure releasing chamber, the wherein structure of each section and connection relation are：
The control room 1 is positioned over the preceding surface of the ring main unit；Play linear quadratic control indicative function；
The mechanism chamber 2 include breaker or on-load switch mechanism 2.1, sealed rotating device 2.2, the window 2.3 that quarantines,
Observation window 2.4 and three station interrupters 2.5；
It is illustrated in figure 2 the structural schematic diagram that the utility model provides closed switch gear room, which includes not
Become rusty steel sheel 4.1, rack components 4.2, insulation Down Highway 4.3, L-type outlet casing tube 4.4, grounding copper bar 4.5 and ejection thread casing
4.6；
Preceding Z plates in the rack components 4.2 are fixed in the closed case of the ring main unit, switch shaft and isolation axis group
Part is connected on the sealed rotating device of the ring main unit closed case, by two sealed rotating devices respectively with it is described
Breaker or on-load switch mechanism 2.1 and three station interrupters 2.5 in mechanism chamber 2 link；
3 in the rack components 4.2 eject top lead collars of the 4.2.11 respectively with the closed switch gear room 4 that be flexible coupling
Pipe 4.6 fastens, and is formed and is connected with extraneous be powered；
3 L in the rack components 4.2 cross connect copper bar 4.2.7 respectively by insulate Down Highway 4.3 be connected to it is described close
The L-type outlet casing tube 4.4 of switch gear room 4 is closed, is formed and is connected with extraneous be powered；
The mechanism chamber 2 and closed switch gear room 4 pass through the mechanism chamber 2 in conjunction with the centre position for being positioned over the ring main unit
Observation window 2.4 can penetrate the window 2.3 that quarantines and observe isolation knife in the isolation shaft assembly 4.2.6 of the rack components 4.2
State in which；
The cable vault 3 is positioned over the preceding underface of the ring main unit；For preventing to enter electrification gap, increase person peace
The property loss that complete and reduction generates due to electric fault；
The pressure releasing chamber 5 is positioned over the rear underface of the ring main unit；For prevent from generating because being exploded with electric fault
Powerful air pressure is injured caused by personal safety and property loss.
The structural schematic diagram of the provided rack components of the utility model embodiment is provided, the rack components 4.2 into
One step includes rack 4.2.1, switch shaft 4.2.2, switch pole 4.2.3, isolation stationary contact head cartridge 4.2.4, insulation leading truck
4.2.5, isolation shaft assembly 4.2.6, L, which is crossed, meets copper bar 4.2.7, insulation right cylinder 4.2.8, grounding contact 4.2.9, bearing block 4.2.10
It is flexible coupling 4.2.11 with ejection, wherein：
The switch pole 4.2.3 has added the M10 round end soket head cap screws for playing plain cushion to be anchored on the rack with 4 respectively
4.2.1 on V framves convex surface；
The switch shaft 4.2.2 is positioned on the shaft bearing plate of the rack 4.2.1 using 2 step bearings, is used in combination 3
It is formed axis pin with the adjusting screw rod in the switch pole 4.2.3 respectively and connect by axis pin；
On the convex surface for the U framves that the isolation stationary contact head cartridge 4.2.4 is fastened respectively to the rack 4.2.1, and respectively will
Static contact in the isolation stationary contact head cartridge 4.2.4 is flexible coupling and the pole moving electrode phase in the switch pole 4.2.3
Fastening；
3 L, which are crossed, to be met copper bar 4.2.7 and fixes one end M10 of 3 insulation right cylinder 4.2.8 respectively, and is individually fixed in institute
It states on the strut plate convex surface of rack 4.2.1；
The rack 4.2.1 is fixed on by shaft assembly 4.2.6 is isolated using insulation leading truck 4.2.5 and bearing block 4.2.10
Front and back Z plates on, so that the isolation shaft assembly 4.2.6 is formed the front and back tri-station isolating switch rotated coaxially；
On 3 grounding contact 4.2.9 are individually fixed on the inside of the grounded bracket of the rack 4.2.1；
3 eject the 4.2.11 that is flexible coupling and are individually fixed on the pole stationary electrode of switch pole 4.2.3.
Below as high voltage power distributing cabinet power transmission and power failure regulation, to the sequence of movement explanation of ring main unit described in the utility model
It is as follows：
Power transmission program description：Modularization environmental protection gas-insulated ring network cabinet Xiamen is shut, and then operates three station interrupters
2.5, allow isolation shaft assembly 4.2.6 to be detached with grounding contact 4.2.9；Then three station interrupters 2.5 are operated, allows and axis group is isolated
Part 4.2.6 and " static contact " in-place closing being isolated in stationary contact head cartridge 4.2.4；Then operating breaker or on-load switch mechanism
2.1, allow switch shaft 4.2.2 that switch pole 4.2.3 is driven to complete to close a floodgate；It can thus complete from modularization environmental protection gas-insulated ring
The ejection thread casing 4.6 of net cabinet arrives the entire power-up procedure of L-type outlet casing tube 4.4.
Blackout procedures describe：Then operating breaker or on-load switch mechanism 2.1 allow switch shaft 4.2.2 to drive switch pole
Column 4.2.3 completes separating brake；Then three station interrupters 2.5 are operated, allows and shaft assembly 4.2.6 is isolated and stationary contact head cartridge is isolated
4.2.4 " static contact " separating brake in is in place；Three station interrupters 2.5 of operation are then proceeded to, allows and shaft assembly 4.2.6 is isolated and connects
Ground contact 4.2.9 in-place closings；It can thus complete from the ejection thread casing 4.6 of modularization environmental protection gas-insulated ring network cabinet to L
The entire blackout procedures of type outlet casing tube 4.4, so as to carry out safe service work.
It is worth noting that, the content not being described in detail in the utility model embodiment belongs to this field professional technique people
The prior art well known to member.
It can be seen that the application has the following advantages that：
1, it using the closed case structure of SF6 ring main units, is replaced using the cheap dry air of environmental protection not environmentally and expensive
SF6 gases can reach the environmental protection again of 0 gradation for surface pollution；
2, using vacuum interrupter cut-off with limited solid insulation, not only can guarantee the present invention switch insulation performance but also energy
The overall volume of the present invention is controlled in rational use scope.
The preferable specific implementation mode of the above, only the utility model, but the scope of protection of the utility model is not
It is confined to this, any one skilled in the art can readily occur in the technical scope that the utility model discloses
Change or replacement, should be covered within the scope of the utility model.Therefore, the scope of protection of the utility model should
Subject to the scope of protection of the claims.
Claims (2)
1. a kind of modularization environmental protection gas-insulated ring network cabinet, which is characterized in that the ring main unit includes control room, mechanism chamber, electricity
Cable room, closed switch gear room and pressure releasing chamber, wherein：
The control room is positioned over the preceding surface of the ring main unit；
The mechanism chamber includes breaker or on-load switch mechanism, sealed rotating device, the window that quarantines, observation window and three stations
Interrupter；
The closed switch gear room includes Stainless Steel Shell, rack components, insulation Down Highway, L-type outlet casing tube, grounding copper bar and top
Outlet casing tube；
Preceding Z plates in the rack components are fixed in the closed case of the ring main unit, switch shaft and isolation shaft assembly difference
Be connected on the sealed rotating device of the ring main unit closed case, by two sealed rotating devices respectively with the mechanism chamber
Interior breaker or on-load switch mechanism and three station interrupters links；
3 in rack components ejections are flexible coupling to be fastened with the ejection thread casing of the closed switch gear room respectively, formed with
The external world, which is powered, to be connected；
3 L in the rack components, which cross to connect copper bar and be connected to the L-type of the closed switch gear room by the Down Highway that insulate respectively, to be gone out
Thread casing is formed and is connected with extraneous be powered；
The mechanism chamber and closed switch gear room pass through the observation window of the mechanism chamber in conjunction with the centre position for being positioned over the ring main unit
Isolation knife state in which in the isolation shaft assembly of the rack components can be observed through the window that quarantines；
The cable vault is positioned over the preceding underface of the ring main unit；
The pressure releasing chamber is positioned over the rear underface of the ring main unit.
2. modularization environmental protection gas-insulated ring network cabinet according to claim 1, which is characterized in that the rack components is further
It is crossed including rack, switch shaft, switch pole, isolation stationary contact head cartridge, insulation leading truck, isolation shaft assembly, L and connects copper bar, insulation directly
Column, grounding contact, bearing block and ejection are flexible coupling, wherein：
The switch pole has added the V framves convex surface that the M10 round end soket head cap screws of bullet plain cushion are anchored on the rack with 4 respectively
On；
The switch shaft is positioned on the shaft bearing plate of the rack using 2 step bearings, be used in combination 3 axis pins by its respectively with
Adjusting screw rod in the switch pole forms axis pin connection；
The isolation stationary contact head cartridge is fastened respectively on the convex surface of U framves of the rack, and respectively by the isolation static contact
Static contact in box is flexible coupling to be fastened with the pole moving electrode in the switch pole；
3 L, which are crossed, connects one end M10 that copper bar fixes 3 insulation right cylinders respectively, and is individually fixed in the strut plate of the rack
On convex surface；
It is fixed on the front and back Z plates of the rack using insulation leading truck and bearing block by shaft assembly is isolated, makes the isolation axis
Component forms the front and back tri-station isolating switch rotated coaxially；
On 3 grounding contacts are individually fixed on the inside of the grounded bracket of the rack；
3 ejections, which are flexible coupling, to be individually fixed on the pole stationary electrode of switch pole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721793675.1U CN207625120U (en) | 2017-12-20 | 2017-12-20 | A kind of modularization environmental protection gas-insulated ring network cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721793675.1U CN207625120U (en) | 2017-12-20 | 2017-12-20 | A kind of modularization environmental protection gas-insulated ring network cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207625120U true CN207625120U (en) | 2018-07-17 |
Family
ID=62820776
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721793675.1U Active CN207625120U (en) | 2017-12-20 | 2017-12-20 | A kind of modularization environmental protection gas-insulated ring network cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207625120U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111431073A (en) * | 2020-05-18 | 2020-07-17 | 江苏中盟电气设备有限公司 | Armored compact ring main unit and installation method thereof |
| CN112653008A (en) * | 2020-12-15 | 2021-04-13 | 北京双杰电气股份有限公司 | Outdoor integral type SF6Ring main unit |
-
2017
- 2017-12-20 CN CN201721793675.1U patent/CN207625120U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111431073A (en) * | 2020-05-18 | 2020-07-17 | 江苏中盟电气设备有限公司 | Armored compact ring main unit and installation method thereof |
| CN112653008A (en) * | 2020-12-15 | 2021-04-13 | 北京双杰电气股份有限公司 | Outdoor integral type SF6Ring main unit |
| CN112653008B (en) * | 2020-12-15 | 2023-09-22 | 北京双杰电气股份有限公司 | Outdoor integrated SF 6 Ring main unit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | "change of name, title or address" |
Address after: 100068 609, building 3, 16 South Third Ring Road West, Fengtai District, Beijing Patentee after: Beijing haochuang Ruitong Electrical Equipment Co.,Ltd. Address before: 100068 2710, building 3, 16 South Third Ring Road West, Fengtai District, Beijing Patentee before: BEIJING HCRT ELECTRICAL EQUIPMENT Co.,Ltd. |
|
| CP03 | "change of name, title or address" |