CN207910352U - A kind of environment-friendly type nitrogen insulation metal enclosed switch device - Google Patents
A kind of environment-friendly type nitrogen insulation metal enclosed switch device Download PDFInfo
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- CN207910352U CN207910352U CN201820425840.6U CN201820425840U CN207910352U CN 207910352 U CN207910352 U CN 207910352U CN 201820425840 U CN201820425840 U CN 201820425840U CN 207910352 U CN207910352 U CN 207910352U
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- breaker
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- gas tank
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Abstract
The utility model discloses a kind of environment-friendly type nitrogen insulation metal enclosed switch devices, including instrument box, cable vault, pressure release passage, busbar gas tank, breaker gas tank, breaker, tri-station isolating switch and bus-bar insulator, nitrogen gas insulating gas is filled in busbar gas tank and breaker gas tank；The breaker uses pole type vacuum breaker, the tri-station isolating switch to use direct-acting three-working-position isolation；The busbar being connect with bus-bar insulator uses gas busbar.The utility model substitutes original SF6 gas insulation switch cabinets, plays a protective role to environment, no longer discharges SF6 gases, while also retaining metal enclosed switchgear and not being affected by the external environment, the high performance of reliability；Simulative optimization field distribution improves insulating part structure pattern simultaneously, and conductivity is high, type of attachment is reliable, field distribution is uniform, good insulating, good airproof performance, product characteristic reliable in parameters.
Description
Technical field
The utility model belongs to power network cabinet technical field more particularly to a kind of environment-friendly type nitrogen insulation metal enclosed switch
Equipment.
Background technology
Existing inflation cabinet is in low-pressure SF6 air seal gas tanks, and existing structure is opened using three station of disconnecting link formula
Close, insulated barrel-type breaker, existing structure pattern in low-pressure SF6 gases can reliability service, mainly due to SF6 gases
Good insulation performance.But the insulation performance of nitrogen is only the 1/3 of SF6 gases, in the case of high electric field, is fixed in three stations
Insulating part position, insulating pull rod for breaker position, breaker conduct piece position are due to the conditions such as field distribution, creepage distance limit
System, generates that alternate, relatively electric discharge and punch-through, existing structure pattern and conduct piece may not apply to the gas of nitrogen gas insulating
In metal enclosed switchgear.
Utility model content
The deficiency of the utility model in view of the above technology provides a kind of environment-friendly type nitrogen insulation metal enclosed switch device,
The utility model analyzes nitrogen gas insulating characteristic, and simulative optimization field distribution improves insulating part structure pattern simultaneously.
The utility model is achieved by the following technical solution, and the utility model provides a kind of environment-friendly type nitrogen gas insulating gold
Belong to sealing switch equipment, including instrument box, cable vault, pressure release passage, busbar gas tank, breaker gas tank, be mounted on breaker gas
Breaker, tri-station isolating switch in case and the bus-bar insulator in busbar gas tank, in busbar gas tank and breaker
Nitrogen gas insulating gas is filled in gas tank；The breaker uses pole type vacuum breaker, the tri-station isolating switch
Using direct-acting three-working-position isolation；The busbar being connect with bus-bar insulator uses gas busbar.
The pole type vacuum breaker structure size is small, good insulation preformance, transmission operation are reliable；
The direct-acting three-working-position isolation improves field distribution, and field distribution is uniform, and operating force is small, ensuring smooth transmission.
Preferably, the bus-bar insulator includes insulator, the bus tie being connected between insulator is pacified respectively
Mounted in the shading ring of bus tie upper and lower ends, the height of the insulator is 200mm.
The height of the insulator of the prior art is 107mm, and bus-bar insulator of the present invention increases creepage distance, improves electric field point
Cloth.
Busbar is connect with the bus-bar insulator mounted on both sides in busbar gas tank, and busbar gas tank is outer to connect busbar by busbar
Connector, while ensureing to insulate.On the one hand this structural shape improves field distribution by the structural shape of bus-bar insulator.Together
When meet scene and do not have to inflation/deflation and the needs of cabinet.
Preferably, the pole type vacuum breaker is connect by sealing plate with breaker gas tank fixed bolt.
Pole type vacuum breaker is connect by the connection bolt of pole itself with the mounting hole on sealing plate；It achieves a fixed connection
While also ensure leakproofness.
Preferably, the pole type vacuum breaker packet pole shell, is mounted in pole shell
Vacuum interrupter；The quiet conducting end of the vacuum interrupter is electrically fixedly connected with quiet wire outlet seat；The dynamic of vacuum interrupter is led
Electric end is electrically connected with dynamic wire outlet seat；The moving conductive end of vacuum interrupter is connect by insulated tension pole with pole sealing plate.
It is completely free from the influence of the external environment while pole type vacuum breaker reduces appearance and size.Improve master
The insulating capacity in circuit, while also increasing insulation distance.
Preferably, the insulated tension pole uses arc transition insulated tension pole.It is dynamic to increase pole type vacuum breaker
The distance between conducting end and shell.
Preferably, the pole type vacuum breaker is connected to breaker by breaker gas tank front end bellows
On operating mechanism.Has manual and electric operating function.Charged pressure is the nitrogen of 0.04MPa, insulation in breaker gas tank
Level is met the requirements.
Preferably, the tri-station isolating switch includes intermediate static contact supporting insulator；Intermediate static contact support is exhausted
It is solid to be sequentially connected moving contact, connection static contact, static contact in the side of intermediate static contact for the intermediate static contact of top connection of edge
Determine insulator；It is sequentially connected insulation lead screw, grounding static contact, magnetic fluid in the other side of intermediate static contact.
Preferably, the tri-station isolating switch is controlled by Three-Position Switch Operate Institutions.By three stations every
It is manually or electrically driven from switch operating mechanism realization.
Preferably, the tri-station isolating switch is connect by magnetic fluid with busbar gas tank.While ensureing air-tightness,
Realize transmission agency.
Preferably, connection is by connecting insulating part and bus tie between the busbar gas tank and breaker gas tank
Connection meets through-flow and insulation.
Preferably, copper conductor rounded corner in cabinet, Glabrous thorn, ensure field distribution.
The beneficial effects of the utility model are：
The utility model environment-friendly type nitrogen insulation metal enclosed switch device substitutes original SF6 gas insulation switch cabinets, from switch
While component meets insulation performance by analysis of electric field, structure design in cabinet overall structure to cabinet, product characteristic parameter can
It leans on, using low-pressure nitrogen as dielectric, the direct-acting three-working-position isolation being distributed using uniform electric field, using sealing
Pole type vacuum circuit breaker：
1) pole type vacuum breaker type breaker structure size is small, good insulation preformance, transmission operation are reliable；
2) direct-acting three-working-position isolation field distribution is uniform, and operating force is small, ensuring smooth transmission；
3) application of direct-acting three-working-position isolation magnetic fluid, good airproof performance ensure the reliability of product；
4) bus-bar insulator increases creepage distance and increases shading ring simultaneously, and conductivity is high, type of attachment is reliable, field distribution
Uniformly；
5) cabinet overall structure it is simple, it is easy for installation, be not affected by the external environment, various occasions can be met and used.
6) play a protective role to environment, no longer discharge SF6 gases, while also retain metal enclosed switchgear not by
External environment influences, the high performance of reliability.
Description of the drawings
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, other drawings may also be obtained based on these drawings.
Fig. 1 is the utility model structure section figure；
Fig. 2 is the utility model structure sectional view；
Fig. 3 is breaker schematic diagram；
Fig. 4 is three station schematic diagrames；
Fig. 5 is bus-bar insulator schematic diagram；
In figure：1, instrument box, 2, Three-Position Switch Operate Institutions, 3, circuit breaker operation mechanism, 4, cable vault, 5, three
Station disconnecting switch, 5-1, static contact fix insulator, 5-2, connect static contact, 5-3, moving contact, 5-4, intermediate static contact, 5-
6, insulate lead screw, 5-5, grounding static contact, 5-7, intermediate static contact, 5-8, magnetic fluid, 6, pole type vacuum breaker, 6-
1, quiet wire outlet seat, 6-2, vacuum interrupter, 6-3, dynamic wire outlet seat, 6-4, pole type vacuum case for circuit breaker, 6-5, insulation
Pull rod, 6-6, pole sealing plate, 7, insulating part, 8, pressure release passage, 9, bus-bar insulator, 9-1, insulator, 9-2, shielding
Ring, 9-3, bus tie, 10, copper conductor in cabinet, 11, busbar gas tank, 12, breaker gas tank.
Specific implementation mode
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, with reference to embodiments, to this
Utility model is further elaborated.It should be appreciated that specific embodiment described herein is only used to explain this practicality
It is novel, it is not used to limit the utility model.
The application principle of the utility model is further described with reference to specific embodiment.
Embodiment 1, as shown in Figs. 1-5, a kind of environment-friendly type nitrogen insulation metal enclosed switch device, including instrument box 1, electricity
Cable room 4, busbar gas tank 11, breaker gas tank 12 and pressure release passage 8 fill nitrogen in busbar gas tank 11 and breaker gas tank 12
Insulating gas；Breaker in breaker gas tank 12 uses pole type vacuum breaker 6, is mounted on busbar gas tank
Tri-station isolating switch 5 in 11 uses direct-acting three-working-position isolation；With the bus insulation in busbar gas tank 11
The busbar of son connection uses gas busbar.
6 structure size of pole type vacuum breaker is small, good insulation preformance, transmission operation are reliable；
The direct-acting three-working-position isolation improves field distribution, and field distribution is uniform, and operating force is small, ensuring smooth transmission；
9 conductivity of the bus-bar insulator is high, type of attachment is reliable, field distribution is uniform.
The bus-bar insulator 9 includes insulator 9-1, the bus tie 9-3 being connected between insulator 9-1, difference
Height mounted on the shading ring 9-2, the insulator 9-1 of bus tie 9-3 upper and lower ends is 200mm.
The height of the insulator of the prior art is 107mm, and bus-bar insulator of the present invention increases creepage distance, improves electric field point
Cloth.
Busbar is connected by the bus-bar insulator 9 of the both sides in busbar gas tank 11, passes through busbar outside busbar gas tank 11
9-3 connections are connected, while ensureing to insulate.On the one hand this structural shape improves electric field by the structural shape of bus-bar insulator 9
Distribution.Meets the needs of scene does not have to inflation/deflation and cabinet simultaneously.Bus-bar insulator 9 increases creepage distance and increases shading ring simultaneously,
Improve field distribution.
The pole type vacuum breaker 6 is connect by sealing plate with 12 fixed bolt of breaker gas tank.Sealing pole
Cylinder vacuum breaker 6 is connect by the connection bolt of pole itself with the mounting hole on sealing plate；What is achieved a fixed connection is same
When also ensure leakproofness.
6 packet pole shell 6-4 of the pole type vacuum breaker is mounted in pole shell 6-4
Vacuum interrupter 6-2；The quiet conducting end of the vacuum interrupter 6-2 is electrically fixedly connected with quiet wire outlet seat 6-1；Vacuum interrupter
The moving conductive end of 6-2 is electrically connected with dynamic wire outlet seat 6-3；The moving conductive end of vacuum interrupter 6-2 is by insulated tension pole 6-5 and admittedly
The 6-6 connections of sealed pole sealing plate.
It is completely free from the influence of the external environment while pole type vacuum breaker 6 reduces appearance and size；Improve master
The insulating capacity in circuit, while also increasing insulation distance.
The insulated tension pole 6-5 uses arc transition insulated tension pole.It is true that increase insulation creep distance increases pole type simultaneously
The distance between empty breaker moving conductive end and shell.
The pole type vacuum breaker 6 is connected to breaker operator machine by 12 front end bellows of breaker gas tank
On structure 3.Has manual and electric operating function.Charged pressure is the nitrogen of 0.04MPa, dielectric level in breaker gas tank 12
It meets the requirements.
The tri-station isolating switch 5 includes intermediate static contact supporting insulator 5-7；Intermediate static contact supporting insulator 5-
The 7 intermediate static contact 5-4 of top connection is sequentially connected moving contact 5-3, connection static contact 5- in the side of intermediate static contact 5-4
2, static contact fixes insulator 5-1；It is sequentially connected insulation lead screw 5-6, grounding static contact 5- in the other side of intermediate static contact 5-4
5, magnetic fluid 5-8.
The tri-station isolating switch 5 is controlled by Three-Position Switch Operate Institutions 2.It is grasped by tri-station isolating switch
Make the realization of mechanism 2 to be manually or electrically driven.
The tri-station isolating switch 5 is connect by magnetic fluid 5-8 with busbar gas tank 11.It is real while ensureing air-tightness
Existing transmission agency.
Connection is connected by connecting insulating part 7 and bus tie between the busbar gas tank 11 and breaker gas tank 12
It connects, meets through-flow and insulation.
The whole rounded corners of copper conductor 10 in cabinet, Glabrous thorn ensure field distribution.
Certainly, above description is also not limited to the example above, and technical characteristic of the utility model without description can lead to
It crosses or realizes that details are not described herein using the prior art；Above example and attached drawing are merely to illustrate the technology of the utility model
Scheme is not limitations of the present invention, and the utility model is described in detail with reference to preferred embodiment, this
Field it is to be appreciated by one skilled in the art that those skilled in the art institute in the essential scope of the utility model
The variations, modifications, additions or substitutions made without departure from the objective of the utility model, want by the right that should also belong to the utility model
Seek protection domain.
Claims (7)
1. a kind of environment-friendly type nitrogen insulation metal enclosed switch device, including instrument box (1), cable vault (4), pressure release passage (8),
Breaker gas tank (12), busbar gas tank (11), breaker, tri-station isolating switch (5), bus-bar insulator (9), feature exists
In：Nitrogen gas insulating gas is filled in busbar gas tank (11) and breaker gas tank (12)；The breaker uses pole type
Vacuum circuit breaker (6), the tri-station isolating switch (5) use direct-acting three-working-position isolation；Even with bus-bar insulator (9)
The busbar connect uses gas busbar.
2. a kind of environment-friendly type nitrogen insulation metal enclosed switch device according to claim 1, it is characterised in that：The mother
Line insulator (9) includes insulator (9-1), and the bus tie (9-3) being connected between insulator (9-1) is separately mounted to
The height of the shading ring (9-2) of bus tie (9-3) upper and lower ends, the insulator (9-1) is 200mm.
3. a kind of environment-friendly type nitrogen insulation metal enclosed switch device according to claim 1, it is characterised in that：It is described solid
Sealed pole formula vacuum circuit breaker (6) is connect by sealing plate with breaker gas tank (12) fixed bolt.
4. a kind of environment-friendly type nitrogen insulation metal enclosed switch device according to claim 1, it is characterised in that：It is described solid
Sealed pole formula vacuum circuit breaker (6) packet pole shell (6-4), the vacuum extinction being mounted in pole shell (6-4)
Room (6-2)；The quiet conducting end of the vacuum interrupter (6-2) is electrically fixedly connected with quiet wire outlet seat (6-1)；Vacuum interrupter
The moving conductive end of (6-2) is electrically connected with dynamic wire outlet seat (6-3)；The moving conductive end of vacuum interrupter (6-2) passes through insulated tension pole
(6-5) is connect with pole sealing plate (6-6).
5. a kind of environment-friendly type nitrogen insulation metal enclosed switch device according to claim 4, it is characterised in that：It is described exhausted
Edge pull rod (6-5) uses arc transition insulated tension pole.
6. a kind of environment-friendly type nitrogen insulation metal enclosed switch device according to claim 1, it is characterised in that：Described three
Station disconnecting switch (5) includes intermediate static contact supporting insulator (5-7), the top of intermediate static contact supporting insulator (5-7)
The intermediate static contact (5-4) of connection is sequentially connected moving contact (5-3), connection static contact (5- in the side of intermediate static contact (5-4)
2), static contact fixes insulator (5-1)；It is sequentially connected insulation lead screw (5-6), ground connection in the other side of intermediate static contact (5-4)
Static contact (5-5) and magnetic fluid (5-8).
7. a kind of environment-friendly type nitrogen insulation metal enclosed switch device according to claim 6, it is characterised in that：Described three
Station disconnecting switch (5) is connect by magnetic fluid (5-8) with busbar gas tank (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820425840.6U CN207910352U (en) | 2018-03-28 | 2018-03-28 | A kind of environment-friendly type nitrogen insulation metal enclosed switch device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820425840.6U CN207910352U (en) | 2018-03-28 | 2018-03-28 | A kind of environment-friendly type nitrogen insulation metal enclosed switch device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207910352U true CN207910352U (en) | 2018-09-25 |
Family
ID=63559627
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820425840.6U Active CN207910352U (en) | 2018-03-28 | 2018-03-28 | A kind of environment-friendly type nitrogen insulation metal enclosed switch device |
Country Status (1)
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109687338A (en) * | 2019-03-07 | 2019-04-26 | 广西银河迪康电气有限公司 | High current inflatable high-voltage switchgear |
| CN109727808A (en) * | 2018-12-14 | 2019-05-07 | 北京双杰电气股份有限公司 | Environment-friendly type breaker gas tank |
| CN109888658A (en) * | 2019-03-28 | 2019-06-14 | 南瑞集团有限公司 | A kind of medium pressure gas insulated metal closed switch equipment |
| CN109962426A (en) * | 2019-04-25 | 2019-07-02 | 上海巴佩开关设备有限公司 | A kind of Cubicle Gas-Insulated Switchgear |
| CN110011213A (en) * | 2019-04-25 | 2019-07-12 | 上海巴佩开关设备有限公司 | Rotating propulsion type Cubicle Gas-Insulated Switchgear gas tank and tri-station isolating switch |
| CN112018652A (en) * | 2020-08-26 | 2020-12-01 | 西安神电(泾阳)电器有限公司 | Environment-friendly inflatable switch cabinet |
| CN114725821A (en) * | 2022-03-14 | 2022-07-08 | 广东明阳电气股份有限公司 | Insulated switch cabinet |
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2018
- 2018-03-28 CN CN201820425840.6U patent/CN207910352U/en active Active
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109727808A (en) * | 2018-12-14 | 2019-05-07 | 北京双杰电气股份有限公司 | Environment-friendly type breaker gas tank |
| CN109687338A (en) * | 2019-03-07 | 2019-04-26 | 广西银河迪康电气有限公司 | High current inflatable high-voltage switchgear |
| CN109687338B (en) * | 2019-03-07 | 2024-01-30 | 广西银河迪康电气有限公司 | Heavy-current inflatable high-voltage switch cabinet |
| CN109888658A (en) * | 2019-03-28 | 2019-06-14 | 南瑞集团有限公司 | A kind of medium pressure gas insulated metal closed switch equipment |
| CN109962426A (en) * | 2019-04-25 | 2019-07-02 | 上海巴佩开关设备有限公司 | A kind of Cubicle Gas-Insulated Switchgear |
| CN110011213A (en) * | 2019-04-25 | 2019-07-12 | 上海巴佩开关设备有限公司 | Rotating propulsion type Cubicle Gas-Insulated Switchgear gas tank and tri-station isolating switch |
| CN112018652A (en) * | 2020-08-26 | 2020-12-01 | 西安神电(泾阳)电器有限公司 | Environment-friendly inflatable switch cabinet |
| CN114725821A (en) * | 2022-03-14 | 2022-07-08 | 广东明阳电气股份有限公司 | Insulated switch cabinet |
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