CN205944876U - Empty gas insulated formula vacuum looped netowrk cabinet - Google Patents
Empty gas insulated formula vacuum looped netowrk cabinet Download PDFInfo
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- CN205944876U CN205944876U CN201620895331.0U CN201620895331U CN205944876U CN 205944876 U CN205944876 U CN 205944876U CN 201620895331 U CN201620895331 U CN 201620895331U CN 205944876 U CN205944876 U CN 205944876U
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- cabinet door
- load switch
- looped netowrk
- plenum chamber
- main unit
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Abstract
The utility model discloses an empty gas insulated formula vacuum looped netowrk cabinet, including keeping apart load switch, the looped netowrk cabinet body, lower cabinet door, over -The -Counter door and fixed bolster, the top at the base is installed to the looped netowrk cabinet body, the inside below intermediate position department of plenum chamber is provided with current transformer, the inside below at the plenum chamber is installed to the fixed bolster, keep apart load switch and install the inside top at the plenum chamber, the top at the looped netowrk cabinet body is installed to the over -The -Counter door, the below at the looped netowrk cabinet body is installed to the cabinet door down. The utility model discloses can reach following beneficial effect: the utility model discloses set up isolator on it, the circuit breaker is installed in isolator's below, and the ability of cut -offfing the transfer current that makes that load switch can be better realizes the open -phase protection, the vacuum arc -extinguishing pipe makes the insulating nature of circuit better, fill in the looped netowrk cabinet into nitrogen gas, make the insulating nature between each electrical components of looped netowrk cabinet better.
Description
Technical field
The utility model belongs to ring main unit technical field, especially with a kind of air-insulated type vacuum ring main unit.
Background technology
Ring main unit is that one group of high-tension switch gear is contained in steel sheet metal cabinet or makes assembled compartment ring network power supply list
The electrical equipment of unit, its core adopts on-load switch and fuse, has that structure is simple, small volume, price are low, can improve
The advantages of power supply parameter and performance and power supply safety.Ring main unit goes out to be widely used in a variety of applications this and rises mainly due to new development
The industrial enterprise coming and the building of public institution, with, small-sized capacity is that its distribution transformer most of are usually no more than
1250KVA, power supply steady in a long-term, high-voltage switch gear infrequently operates.With large-scale urban construction, a large amount of large-scale tall buildings
Thing is rised sheer from level ground, and transformer and distribution station is often just located at downstairs, and according to fire-fighting requirements, distribution equipment is necessary " non-oil ultra high vacuum system ", then ring
Net cabinet or vacuum circuit breaker, dry-type transformer.Looped network cabinet is simple, reliable and safety, maintenance capacity very little, operating cost
Low, compared with the switch cubicle equipped with breaker, advantage is very prominent.Ring main unit requires on-load switch to have higher performance and less
Volume, new on-load switch arises at the historic moment, and this has driven the technological progress of ring main unit again in turn.
There are some defects in existing ring main unit during using, for example, the inside of ring main unit is all some switches
Deng some electrical equipments, insulation effect is bad, is susceptible to contingency；And because the connecting-disconnecting function of on-load switch is not enough,
When main transformer occurs grave gas fault and during when the single-phase fusing of fuse, on-load switch is not because having enough to cut-off transfer current
Ability and cannot trip it is impossible to realize open-phase protection, use unusual inconvenience.
Utility model content
The problem of the bad connecting-disconnecting function deficiency with on-load switch of insulation effect existing for above-mentioned background technology, this reality
Aim to provide a kind of air-insulated type vacuum ring main unit with new.
For this reason, the utility model employs the following technical solutions：A kind of air-insulated type vacuum ring main unit, is characterized in that, one
Plant air-insulated type vacuum ring main unit, including isolation on-load switch, looped network cabinet, lower cabinet door, upper cabinet door and fixed support, described
Looped network cabinet is arranged on the top of base, and looped network cabinet be internally provided with plenum chamber, in the lower inside of described plenum chamber
Between be provided with current transformer at position, described fixed support is arranged on the lower inside of plenum chamber, and arranges on fixed support
There is fixing nut, described support bracket fastened top is provided with breaker, described isolation on-load switch is arranged on the inside of plenum chamber
Top, and the top of isolation on-load switch is provided with vacuum extinction pipe, described upper cabinet door is arranged on the top of looped network cabinet, and on
Control panel is provided with cabinet door, the front surface upper right of described upper cabinet door is provided with inflation inlet, and described lower cabinet door is arranged on
The lower section of looped network cabinet, and below the front surface of lower cabinet door, middle position is provided with louvre panel, before described lower cabinet door
On the right side of surface top be provided with form, described vacuum extinction pipe, isolation on-load switch, breaker summation current transformer all with control
Panel is electrically connected with.
As to the supplement of technique scheme and perfect, the utility model also includes following technical characteristic.
Preferably, described vacuum extinction pipe is provided with three altogether, and three vacuum extinction pipes are separately mounted to isolate load
The top of switch.
Preferably, described breaker is provided with three altogether, and three breakers are installed in the inside of looped network cabinet.
Preferably, described upper cabinet door is fixedly connected by hinge with looped network cabinet.
Preferably, described breaker is fixedly connected by fixing nut with fixed support.
The utility model can reach following beneficial effect：The utility model is scientific and reasonable, safe and convenient to use, will isolate
Switch is arranged above, and breaker is arranged on the lower section of disconnecting switch, makes the connecting-disconnecting function of on-load switch more preferably, works as main transformer
There is grave gas fault and when the single-phase fusing of fuse, the ability that on-load switch can preferably cut-off transfer current is realized lacking
Mutually protect；It is provided with a vacuum extinction pipe above disconnecting switch, make the insulating properties of circuit more preferable, it is to avoid contingency pair
Generation；And it is filled with nitrogen in ring main unit, make the insulating properties between each electric elements of ring main unit more preferable, using more square
Just.
Brief description
Fig. 1 is structural representation of the present utility model.
Fig. 2 is side view of the present utility model.
In figure：1- vacuum extinction pipe, 2- isolation on-load switch, 3- breaker, 4- current transformer, 5- base, 6- fix
Nut, 7- looped network cabinet, 8- plenum chamber, 9- control panel, 10- lower cabinet door, 11- louvre panel, 12- form, 13- inflation
Mouth, the upper cabinet door of 14-, 15- fixed support.
Specific embodiment
Below in conjunction with the accompanying drawings specific embodiment of the present utility model is described in detail.
As shown in figure 1, the utility model provides a kind of technical scheme：A kind of air-insulated type vacuum ring main unit, including every
From on-load switch 2, looped network cabinet 7, lower cabinet door 10, upper cabinet door 14 and fixed support 15, looped network cabinet 7 is arranged on the upper of base 5
Side, and looped network cabinet 7 be internally provided with plenum chamber 8, the lower inside middle position of plenum chamber 8 is provided with current transformer
4, fixed support 15 is arranged on the lower inside of plenum chamber 8, and is provided with fixing nut 6 on fixed support 15, fixed support 15
Top be provided with breaker 3, isolation on-load switch 2 is arranged on the inner upper of plenum chamber 8, and isolates the upper of on-load switch 2
Side is provided with vacuum extinction pipe 1, and upper cabinet door 14 is arranged on the top of looped network cabinet 7, and is provided with control panel in upper cabinet door 14
9, the front surface upper right of upper cabinet door 14 is provided with inflation inlet 13, and lower cabinet door 10 is arranged on the lower section of looped network cabinet 7, and lower cabinet
Below the front surface of door 10, middle position is provided with louvre panel 11, and on the right side of the front surface of lower cabinet door 10, top is provided with and regards
Window 12, vacuum extinction pipe 1, isolation on-load switch 2, breaker 3 summation current transformer 4 are all electrically connected with control panel 9.
Vacuum extinction pipe 1 is provided with three altogether, and three vacuum extinction pipes 1 are separately mounted to isolate the upper of on-load switch 2
Side.Breaker 3 is provided with three altogether, and three breakers 3 are installed in the inside of looped network cabinet 7.Upper cabinet door 14 and ring main unit
Body 7 is fixedly connected by hinge.Breaker 3 is fixedly connected by fixing nut 6 with fixed support 15.
Vacuum extinction pipe 1 in the utility model is by airtight insulation crust, galvanic circle, shielding harness, contact and ripple
The part such as pipe forms, and it is the core component of mesohigh power switch, and its Main Function is by excellent exhausted of vacuum in pipe
Edge can rapid blow-out suppress electric current after making mesohigh circuitry cuts power supply, it is to avoid accident and unexpected occur.
Operation principle of the present utility model and use flow process：After the utility model installs, by backbone and ring main unit
Connect, upper cabinet door 14 and lower cabinet door 10 are fastened, is powered to ring main unit by backbone, at inflation inlet 13 into plenum chamber 8
Inflated with nitrogen, operates normal current by the isolation on-load switch 2 in plenum chamber 8, when breaker 3 single-phase fusing, isolates load
Switch 2 cut-offs transfer current and realizes open-phase protection, and the vacuum extinction pipe 1 on isolation on-load switch 2 serves insulation and protection electricity
The effect on road.
Of the present utility model general principle and principal character and of the present utility model advantage have been shown and described above.One's own profession
The technical staff of industry it should be appreciated that the utility model is not restricted to the described embodiments, described in above-described embodiment and specification
Principle of the present utility model is simply described, on the premise of without departing from the utility model spirit and scope, the utility model is also
Have various changes and modifications, these changes and improvements both fall within the range of claimed the utility model.The utility model
Claimed scope is by appending claims and its equivalent thereof.
Claims (5)
1. a kind of air-insulated type vacuum ring main unit, including isolation on-load switch（2）, looped network cabinet（7）, lower cabinet door（10）, on
Cabinet door（14）And fixed support（15）It is characterised in that：Described looped network cabinet（7）It is arranged on base（5）Top, and ring main unit
Body（7）Be internally provided with plenum chamber（8）, described plenum chamber（8）Lower inside middle position be provided with current transformer
（4）, described fixed support（15）It is arranged on plenum chamber（8）Lower inside, and fixed support（15）On be provided with fixing nut
（6）, described fixed support（15）Top be provided with breaker（3）, described isolation on-load switch（2）It is arranged on plenum chamber（8）
Inner upper, and isolate on-load switch（2）Top be provided with vacuum extinction pipe（1）, described upper cabinet door（14）It is arranged on ring
Net cabinet（7）Top, and upper cabinet door（14）On be provided with control panel（9）, described upper cabinet door（14）Front surface above right
Side is provided with inflation inlet（13）, described lower cabinet door（10）It is arranged on looped network cabinet（7）Lower section, and lower cabinet door（10）Front surface
Lower section middle position is provided with louvre panel（11）, described lower cabinet door（10）Front surface on the right side of top be provided with form
（12）, described vacuum extinction pipe（1）, isolation on-load switch（2）, breaker（3）Summation current transformer（4）All and control panel
（9）It is electrically connected with.
2. a kind of air-insulated type vacuum ring main unit according to claim 1 it is characterised in that：Described vacuum extinction pipe
（1）It is provided with three altogether, and three vacuum extinction pipes（1）It is separately mounted to isolate on-load switch（2）Top.
3. a kind of air-insulated type vacuum ring main unit according to claim 1 it is characterised in that：Described breaker（3）Altogether
It is provided with three, and three breakers（3）It is installed in looped network cabinet（7）Inside.
4. a kind of air-insulated type vacuum ring main unit according to claim 1 it is characterised in that：Described upper cabinet door（14）With
Looped network cabinet（7）It is fixedly connected by hinge.
5. a kind of air-insulated type vacuum ring main unit according to claim 1 it is characterised in that：Described breaker（3）With
Fixed support（15）By fixing nut（6）It is fixedly connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620895331.0U CN205944876U (en) | 2016-08-17 | 2016-08-17 | Empty gas insulated formula vacuum looped netowrk cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620895331.0U CN205944876U (en) | 2016-08-17 | 2016-08-17 | Empty gas insulated formula vacuum looped netowrk cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205944876U true CN205944876U (en) | 2017-02-08 |
Family
ID=57919426
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620895331.0U Active CN205944876U (en) | 2016-08-17 | 2016-08-17 | Empty gas insulated formula vacuum looped netowrk cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205944876U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113690785A (en) * | 2021-09-26 | 2021-11-23 | 广西贯鼎电气有限公司 | Gas tank of gas-insulated intelligent demarcation switch equipment |
-
2016
- 2016-08-17 CN CN201620895331.0U patent/CN205944876U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113690785A (en) * | 2021-09-26 | 2021-11-23 | 广西贯鼎电气有限公司 | Gas tank of gas-insulated intelligent demarcation switch equipment |
| CN113690785B (en) * | 2021-09-26 | 2024-04-26 | 广西贯鼎电气有限公司 | Gas-insulated intelligent demarcation switchgear gas tank |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |