CN205670652U - A kind of air insulation ring main unit - Google Patents
A kind of air insulation ring main unit Download PDFInfo
- Publication number
- CN205670652U CN205670652U CN201620572721.4U CN201620572721U CN205670652U CN 205670652 U CN205670652 U CN 205670652U CN 201620572721 U CN201620572721 U CN 201620572721U CN 205670652 U CN205670652 U CN 205670652U
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- China
- Prior art keywords
- cabinet
- chopper
- current transformer
- main unit
- ring main
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Abstract
The utility model proposes a kind of air insulation ring main unit, including cabinet, cabinet is divided into upper, middle and lower three part, is wherein provided with drawer type cabinet groove in the cabinet of middle part；It is provided with backplate and bus through walls in top tank body, bus through walls is provided with main bus-bar and static contact；It is provided with chopper, interrupter and breaker operation mechanism, interrupter and breaker operation mechanism in drawer type cabinet groove and is positioned at the side of chopper；Chopper includes glass fibre reinforced nylon resin pole housing；Being provided with current transformer in the cabinet of bottom, current transformer is connected row with described chopper by switch and connects；Current transformer is connected by copper bar sensor；The lower section of current transformer is provided with spark gap.This utility model simple in construction, reasonable in design, cost of manufacture is low, facilitates product repairing；Nontoxic, odorless, good weatherability, and with after can all reclaim and recycle, environment is not had any harm, meet green network build requirement.
Description
Technical field
This utility model relates to switch cubicle technical field, specifically a kind of air 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.
Pole housing in existing insulation ring main unit generally uses epoxide resin material, and epoxide resin material is crisp
Property, its insulating properties are irrecoverable after being damaged, not only the use of impact insulation ring main unit, it is also possible to human body is caused wound
Evil；It addition, use the product after epoxy resin cure in process of production can add dilution as raw material, production process
Agent, firming agent and accelerator, therefore most epoxy coatings are solvent based coating, volatilizable organise containing substantial amounts of
Compound (VOC), makes epoxide resin material all environment and human body be caused severe contamination and harm during producing and using, and
And epoxy resin cost is high, the pole housing being made up of epoxy resin reclaims difficulty when service life terminates.
Utility model content
The utility model proposes a kind of air insulation ring main unit, solve ring main unit in prior art and can produce poison
Body, inconvenient maintenance, high in cost of production problem.
The technical solution of the utility model is achieved in that
A kind of air insulation ring main unit, including cabinet, described cabinet is divided into upper, middle and lower three part, wherein sets in the cabinet of middle part
It is equipped with drawer type cabinet groove；
It is provided with backplate and bus through walls in top tank body, described bus through walls is provided with main bus-bar and static contact；
Be provided with chopper, interrupter and breaker operation mechanism in described drawer type cabinet groove, described interrupter and
Breaker operation mechanism is positioned at the side of described chopper；Described chopper includes glass fibre reinforced nylon resin pole
Housing；
Being provided with current transformer in the cabinet of bottom, described current transformer is connected row even with described chopper by switch
Connect；Described current transformer is connected by copper bar sensor；
The lower section of described current transformer is provided with spark gap.
Further, in described glass fibre reinforced nylon resin pole housing, be provided with vacuum interrupter, described very
One end of empty arc-chutes is communicated with an open slot, is provided with circuit breaker tie rod, the one of described circuit breaker tie rod in described open slot
End is connected with described vacuum interrupter；
One end of described vacuum interrupter is provided with inlet wire conductor；
Be provided with in described open slot and be flexible coupling, described in one end of being flexible coupling be connected with outlet conductor, described outlet conductor
It is located on described glass fibre reinforced nylon resin pole housing；The described other end being flexible coupling and described circuit breaker tie rod
The one end being connected with described vacuum interrupter connects.
Further, described inlet wire conductor includes the riser that a transverse slat and the one end along described transverse slat downwardly extend, described
The lower end of riser is provided with a T-shaped part, described riser and T-shaped part and is positioned at one end of described vacuum interrupter.
Further, the lower end of described middle part cabinet is provided with slideway, and the lower end of described drawer type cabinet groove is provided with pulley,
Described pulley is slidedly arranged on described slideway.
Further, the one end being flexible coupling described in is bolted with outlet conductor.
The beneficial effects of the utility model are:
This utility model simple in construction, reasonable in design, cost of manufacture is low, and drawer type cabinet groove can be extracted out, facilitates product repairing；
Without harmful gas produce, nontoxic, odorless, good weatherability, and with after can all reclaim and recycle, environment is not had any danger
Evil, meets the requirement that green network is built.
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 this utility model；
Fig. 2 is the structural representation of one embodiment of chopper.
Wherein:
1, cabinet；2, backplate；3, bus through walls；4, main bus-bar；5, static contact；6, drawer type cabinet groove；7, slideway；8, sliding
Wheel；9, chopper；10, interrupter；11, breaker operation mechanism；12, current transformer；13, switch connects row；14, sensing
Device；15, spark gap；16, pole housing；17, vacuum interrupter；18, open slot；19, circuit breaker tie rod；20, inlet wire is led
Body；21, it is flexible coupling；22, outlet conductor.
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 it is shown in figure 1, the air insulation ring main unit in the present embodiment, including cabinet 1, in cabinet 1, it is filled with what cleaning was dried
Air, with air as dielectric, it is to avoid environmental pollution.Cabinet 1 is divided into upper, middle and lower three part, wherein, sets in top cabinet 1
It is equipped with backplate 2 and bus through walls 4, bus 4 through walls is provided with main bus-bar and static contact 5.Bus 4 the most through walls contains copper embedding
Part is connected with main bus-bar and static contact 5, main bus-bar can be made to turn on static contact 5 galvanic circle, the main bus-bar other end and phase simultaneously
Bus through walls 4 other end of adjacent air insulation ring main unit cabinet is connected, and connects galvanic circle when spelling cabinet for ring main unit.
Being provided with drawer type cabinet groove 6 in the cabinet 1 of middle part, the lower end of middle part cabinet 1 is provided with slideway 7, drawer type cabinet groove 6
Lower end is provided with pulley 8, and pulley 8 is slidedly arranged on described slideway 7.Drawer type cabinet groove 6 can be extracted out, facilitates product repairing.Drawer type
Chopper 9, interrupter 10 and breaker operation mechanism 11, interrupter 10 and breaker operation mechanism it is provided with in cabinet groove 6
11 sides being positioned at chopper 9.Breaker operation mechanism 11 is spring mechanism, spring mechanism mate with chopper 9 can meet disconnected
The mechanical property requirement of road device 9, and spring mechanism has energy storage device, after interrupter 10 closing operation, by spring
Mechanism is electronic or manpower energy storage, makes direction board show energy storage state, presses breaker closing button, breaker operation mechanism 11
Circuit breaker tie rod 19 can be driven to move, make vacuum interrupter 17 close a floodgate, complete transmission process.
Being provided with current transformer 12 in bottom cabinet 1, current transformer 12 is connected row 13 even with chopper 9 by switch
Connect；Current transformer 12 is connected by copper bar sensor 14；The lower section of current transformer 12 is provided with spark gap 15.
Seeing Fig. 2, in the present embodiment, chopper 9 includes glass fibre reinforced nylon resin pole housing 16, glass
Being provided with vacuum interrupter 17 in fiber reinforced nylon resin pole housing 16, one end of vacuum interrupter 17 is communicated with one and opens
Mouth groove 18, is provided with circuit breaker tie rod 19 in open slot 18, one end of circuit breaker tie rod 19 is connected with vacuum interrupter 17；Vacuum
One end of arc-chutes 17 is provided with inlet wire conductor 20；Wherein, inlet wire conductor 20 includes a transverse slat and along one end of transverse slat to downward
The riser stretched, the lower end of riser is provided with a T-shaped part, riser and T-shaped part and is positioned at one end of vacuum interrupter 17.Open slot
Be provided with in 18 and be flexible coupling 21, be flexible coupling 21 one end be bolted with outlet conductor 22, outlet conductor 22 is located at glass
On fiber reinforced nylon resin pole housing 16；Be flexible coupling 21 the other end and circuit breaker tie rod 19 and vacuum interrupter 17
The one end connected connects.Owing to pole housing 16 is formed by Standard Module cast by glass fibre reinforced nylon resin,
Therefore being easily met the morpheme requirements such as vertical, parallel, the installation making whole chopper 9 is more simple and convenient.Will in casting process
Inlet wire conductor 20, vacuum interrupter 17, outlet conductor 22 setting-in is cast in together, makes chopper 9 become an entirety, structure letter
Singly, detachable part is few, reliability is high, surface insulation becomes volume insulation simultaneously, substantially increases dielectric strength.Air is exhausted
The pole housing 16 of edge ring main unit is made up of glass fibre reinforced nylon resin, glass fibre reinforced nylon resin mechanical property
Energy, dimensional stability, thermostability, ageing-resistant performance are the strongest, and endurance life is 2.5 times of traditional material, makes pole
Have conduction concurrently, dispelled the heat, insulate, support and the multiple function such as connection, further, since glass fibre reinforced nylon resin electric insulation
Property is good, and the volume resistance of nylon is the highest, breakdown voltage resistant height, in dry environments, can make power frequency insulant, even if at high temperature
Still there is under environment preferable electrical insulating property, make whole air insulation ring main unit running safety and reliability；Further, glass fibers
Dimension strengthens nylon resin mechanical strength height, good toughness, has the resistance to impact of higher tension, comprcssive strength and excellence, has again
Relatively low melt viscosity, can quickly flow, be prone to mold filling, and after mold filling, freezing point is high, energy fast shaping, therefore molding cycle is short, makes
Production efficiency improves；Furthermore, glass fibre reinforced nylon resin has self-extinguishment, nontoxic, odorless, good weatherability, invades biology
Lose inert, have good antibacterial, an Antimould power, and with after can all reclaim and recycle, environment is not had any harm,
Meet the requirement that green network is built；Glass fibre reinforced nylon resin density is little, lightweight, low cost, makes whole air exhausted
Edge ring main unit weight saving, cost reduce.
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 (5)
1. an air insulation ring main unit, it is characterised in that include that cabinet, described cabinet are divided into upper, middle and lower three part, Qi Zhongzhong
Drawer type cabinet groove it is provided with in portion's cabinet；
It is provided with backplate and bus through walls in top tank body, described bus through walls is provided with main bus-bar and static contact；
Chopper, interrupter and breaker operation mechanism, described interrupter and open circuit it is provided with in described drawer type cabinet groove
Device operating mechanism is positioned at the side of described chopper；Described chopper includes glass fibre reinforced nylon resin pole shell
Body；
Being provided with current transformer in the cabinet of bottom, described current transformer is connected row with described chopper by switch and connects；
Described current transformer is connected by copper bar sensor；
The lower section of described current transformer is provided with spark gap.
2. air insulation ring main unit as claimed in claim 1, it is characterised in that described glass fibre reinforced nylon resin sealing
Being provided with vacuum interrupter in pole housing, one end of described vacuum interrupter is communicated with an open slot, arranges in described open slot
Circuit breaker tie rod, one end of described circuit breaker tie rod is had to be connected with described vacuum interrupter；
One end of described vacuum interrupter is provided with inlet wire conductor；
Be provided with in described open slot and be flexible coupling, described in one end of being flexible coupling be connected with outlet conductor, described outlet conductor is located at
On described glass fibre reinforced nylon resin pole housing；The described other end being flexible coupling and described circuit breaker tie rod and institute
State one end connection that vacuum interrupter connects.
3. air insulation ring main unit as claimed in claim 2, it is characterised in that described inlet wire conductor includes a transverse slat and along institute
Stating the riser that one end of transverse slat downwardly extends, the lower end of described riser is provided with a T-shaped part, described riser and T-shaped part position
One end in described vacuum interrupter.
4. air insulation ring main unit as claimed in claim 3, it is characterised in that the lower end of described middle part cabinet is provided with cunning
Road, the lower end of described drawer type cabinet groove is provided with pulley, and described pulley is slidedly arranged on described slideway.
5. air insulation ring main unit as claimed in claim 4, it is characterised in that described in one end of being flexible coupling lead to outlet conductor
Cross bolt to connect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620572721.4U CN205670652U (en) | 2016-06-14 | 2016-06-14 | A kind of air insulation ring main unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620572721.4U CN205670652U (en) | 2016-06-14 | 2016-06-14 | A kind of air insulation ring main unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205670652U true CN205670652U (en) | 2016-11-02 |
Family
ID=57192074
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620572721.4U Active CN205670652U (en) | 2016-06-14 | 2016-06-14 | A kind of air insulation ring main unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205670652U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105958363A (en) * | 2016-06-14 | 2016-09-21 | 河北箱变电器有限公司 | Air insulated ring main unit |
-
2016
- 2016-06-14 CN CN201620572721.4U patent/CN205670652U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105958363A (en) * | 2016-06-14 | 2016-09-21 | 河北箱变电器有限公司 | Air insulated ring main unit |
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| GR01 | Patent grant |