CN206225875U - A kind of solid insulated switchgear - Google Patents
A kind of solid insulated switchgear Download PDFInfo
- Publication number
- CN206225875U CN206225875U CN201621215561.4U CN201621215561U CN206225875U CN 206225875 U CN206225875 U CN 206225875U CN 201621215561 U CN201621215561 U CN 201621215561U CN 206225875 U CN206225875 U CN 206225875U
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- China
- Prior art keywords
- vacuum interrupter
- circuit breaker
- breaker operation
- operation mechanism
- spring
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Abstract
The utility model discloses a kind of solid insulated switchgear, including mechanism case, circuit breaker operation mechanism, isolator operating mechanism, vacuum interrupter and three station disconnecting links, three upper leading-out terminals are installed at the top of the vacuum interrupter, the vacuum interrupter sealing is in epoxy resins insulation cylinder, the bottom of the vacuum interrupter is provided with three lower wire ends, the side of the vacuum interrupter is provided with mechanism case, mechanism case is provided with circuit breaker operation mechanism and isolator operating mechanism side by side away from the side of vacuum interrupter, spring base is fixed with the circuit breaker operation mechanism, energy-stored spring is installed on spring base, three station disconnecting links are installed on the isolator operating mechanism.The utility model has operating energy small, the characteristics of act fast, and by installing spring operating mechanism in circuit breaker operation mechanism, simple structure, and reliable in action, while can be easy to use according to the decrement of the size adjustment spring of closing power, it is practical.
Description
Technical field
The utility model is related to solid insulation ring main unit technical field, specially a kind of solid insulated switchgear.
Background technology
Solid insulating fully enclosed looped network unit（Abbreviation ring-main unit）It is a kind of hermetically sealed power supply unit, all electro-mechanical parts
Part and switch are hermetically sealed in an epoxy resin mechanism case, without SF6 gases in mechanism case.Whole switching device does not receive external rings
Border influences, it is ensured that operational reliability and Personal Safety, and realizes non-maintaining.The indoor and outdoor type of ring-main unit point, family
External form is that indoor type ring-main unit is enclosed in the multichannel ring network power supplying units constituted in a metal shell again.
Ring-main unit is applied to the three-phase alternating current distribution system of 12kV, 50Hz, is powered for ring network power supply or terminal.Looped network
Unit can be arranged on the distribution system in industrial and mining enterprises, residential quarters, school, park etc., can also load close-coupled type box type transformation
In standing, for the control and protection of distribution transformer.So indoor, outdoor type ring-main unit is capable of achieving power distribution automation.Family
The capital equipment of external form ring-main unit is solid insulation ring main unit, and the critical piece of solid insulation ring main unit movement is fixed insulation
Breaker and on-load switch, but the safety and reliability of existing solid insulated switchgear are general, and there is inconvenience when using.
Utility model content
The purpose of this utility model is to provide a kind of solid insulated switchgear, to solve what is proposed in above-mentioned background technology
Problem.
To achieve the above object, the utility model provides following technical scheme：A kind of solid insulated switchgear, including mechanism
Case, circuit breaker operation mechanism, isolator operating mechanism, vacuum interrupter and three station disconnecting links, the top of the vacuum interrupter
Portion is provided with three upper leading-out terminals, and the vacuum interrupter sealing is interior in epoxy resins insulation cylinder, the bottom of the vacuum interrupter
Portion is provided with three lower wire ends, and one end of epoxy resins insulation cylinder is connected with the upper end of lower wire end, the vacuum extinction
The side of room is provided with mechanism case, and mechanism case is provided with circuit breaker operation mechanism and isolation side by side away from the side of vacuum interrupter
Switch operating mechanism, is fixed with spring base on the circuit breaker operation mechanism, energy-stored spring, the energy storage are provided with spring base
Clamp nut, the breaker operator machine of the energy-stored spring side are installed on the circuit breaker operation mechanism at spring top position
Two action bars are installed on structure, and action bars is connected by drive link with circuit breaker operation mechanism, the disconnecting switch behaviour
Make that three station disconnecting links are installed in mechanism, and three station disconnecting links are mechanically connected with circuit breaker operation mechanism.
Preferably, the bottom of the vacuum interrupter is provided with supporting plate.
Preferably, the vacuum interrupter is all provided with pole with the junction of upper leading-out terminal and lower wire end.
Preferably, the bottom of the circuit breaker operation mechanism is provided with ground connection supporting plate.
Compared with prior art, the beneficial effects of the utility model are：The breaker is being sent out by using vacuum interrupter
It is small with operating energy when raw overload and short-circuit protection, the characteristics of act fast, by installing three station disconnecting links, be capable of achieving work,
Isolation, three actions of ground connection, and three stations can realize interlocking, the security that breaker is used be improve, by breaker
Spring operating mechanism, simple structure, reliable in action, while can be according to the size adjustment spring of closing power are installed in operating mechanism
Decrement, it is easy to use, it is practical, at the same using the pole being made of APG techniques by vacuum interrupter with it is upper and lower
Leading-out terminal is connected, it is ensured that the insulating properties of breaker, it is to avoid alternate and the catastrophe failure such as over the ground generation.
Brief description of the drawings
Fig. 1 is the utility model structural representation；
Fig. 2 is left view of the present utility model；
Fig. 3 is right view of the present utility model；
Fig. 4 is upward view of the present utility model；
Fig. 5 is top view of the present utility model.
In figure：The upper leading-out terminals of 1-；2- mechanism cases；3- circuit breaker operation mechanisms；4- isolator operating mechanisms；Outlet under 5-
End；6- vacuum interrupters；7- epoxy resins insulations cylinder；8- supporting plates；9- clamp nuts；10- energy-stored springs；11- action bars；
12- spring bases；13- drive links；The station disconnecting links of 14- tri-.
Specific embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the utility model, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment for being obtained, belongs to the scope of the utility model protection.
Refer to Fig. 1-5, a kind of embodiment that the utility model is provided：A kind of solid insulated switchgear, including mechanism case
2nd, circuit breaker operation mechanism 3, isolator operating mechanism 4, the station disconnecting link 14 of vacuum interrupter 6 and three, the top of vacuum interrupter 6
Portion is provided with three upper leading-out terminals 1, and for connecting outer lead, the inside of vacuum interrupter 6 is provided with epoxy resins insulation cylinder
7, with the wire inside overprotection vacuum interrupter 6, the bottom of vacuum interrupter 6 is provided with three lower wire ends 5, and asphalt mixtures modified by epoxy resin
One end of fat insulating cylinder 7 is connected with the upper end of lower wire end 5, and for the connection with outer lead, the bottom of vacuum interrupter 6 is pacified
It is connected with the switch component inside lower wire end 5 by electric conductor equipped with supporting plate 8, and supporting plate 8, in three station disconnecting links
14 in when isolating station, and electric current, vacuum interrupter 6 and upper leading-out terminal 1 and the company of lower wire end 5 are isolated in disconnecting switch work
The place of connecing all is provided with pole, and the insulating properties of vacuum interrupter 6 is ensured by pole, and the side of vacuum interrupter 6 is installed
There is mechanism case 2, mechanism case 2 is provided with circuit breaker operation mechanism 3 and isolator operation side by side away from the side of vacuum interrupter 6
Mechanism 4, the bottom of circuit breaker operation mechanism 3 is provided with ground connection supporting plate, and spring base 12 is fixed with circuit breaker operation mechanism 3,
Energy-stored spring 10 is installed on spring base 12, compression is installed on the circuit breaker operation mechanism 3 at the tip position of energy-stored spring 10
Nut 9, the action of breaker is controlled by energy-stored spring 10, is provided with the circuit breaker operation mechanism 3 of the side of energy-stored spring 10
Two action bars 11, and action bars 11 is connected by drive link 13 with circuit breaker operation mechanism 3, for connecting manually operated opening
Close, be operated manually, three station disconnecting links 14, and three station disconnecting links 14 and breaker are installed on isolator operating mechanism 4
Operating mechanism 3 is mechanically connected, for controlling breaker work, isolation, three kinds of states of ground connection.
Operation principle：Vacuum interrupter 6 and upper lower wire end are packaged into one using the pole of APG technological formings
It is overall so that phase insulation is main insulation mode in solid insulation mode, alternate and the catastrophe failure such as over the ground generation can be avoided,
The operating mechanism of three station disconnecting link 14 is designed using energy-stored spring 10 simultaneously, can realize dividing soon soon closing, reliable in action, and can be according to conjunction
The decrement of the size adjustment energy-stored spring 10 of lock work(, when being short-circuited or during overload protection, in circuit breaker operation mechanism 3
The stroke of energy-stored spring 10 changes, so as to drive isolator operating mechanism 4, controls breaker to be in by three station disconnecting link 14
Isolation station.
Originally it is obvious to a person skilled in the art that the utility model is not limited to the details of above-mentioned one exemplary embodiment,
And in the case of without departing substantially from spirit or essential attributes of the present utility model, can in other specific forms realize this practicality
It is new.Therefore, no matter from the point of view of which point, embodiment all should be regarded as exemplary, and is nonrestrictive, this practicality
New scope limits by appended claims rather than described above, it is intended that the equivalency that will fall in claim
All changes in implication and scope are included in the utility model.Any reference in claim should not be considered as limit
The involved claim of system.
Claims (4)
1. a kind of solid insulated switchgear, including mechanism case（2）, circuit breaker operation mechanism（3）, isolator operating mechanism（4）、
Vacuum interrupter（6）With three station disconnecting links（14）, it is characterised in that：The vacuum interrupter（6）Top be provided with three
Leading-out terminal（1）, the vacuum interrupter（6）Sealing is in epoxy resins insulation cylinder（7）It is interior, the vacuum interrupter（6）Bottom
Three lower wire ends are installed（5）, and epoxy resins insulation cylinder（7）One end and lower wire end（5）Upper end connection, it is described true
Empty arc-chutes（6）Side mechanism case is installed（2）, mechanism case（2）Away from vacuum interrupter（6）Side be provided with side by side it is disconnected
Road device operating mechanism（3）And isolator operating mechanism（4）, the circuit breaker operation mechanism（3）On be fixed with spring base（12）,
Spring base（12）On energy-stored spring is installed（10）, the energy-stored spring（10）Circuit breaker operation mechanism at tip position（3）
On clamp nut is installed（9）, the energy-stored spring（10）The circuit breaker operation mechanism of side（3）On two action bars are installed
（11）, and action bars（11）By drive link（13）With circuit breaker operation mechanism（3）Connection, the isolator operating mechanism
（4）On three station disconnecting links are installed（14）, and three station disconnecting links（14）With circuit breaker operation mechanism（3）Mechanically connect.
2. a kind of solid insulated switchgear according to claim 1, it is characterised in that：The vacuum interrupter（6）Bottom
Supporting plate is installed（8）.
3. a kind of solid insulated switchgear according to claim 1, it is characterised in that：The vacuum interrupter（6）With above go out
Line end（1）And lower wire end（5）Junction be all provided with pole.
4. a kind of solid insulated switchgear according to claim 1, it is characterised in that：The circuit breaker operation mechanism（3）'s
Bottom is provided with ground connection supporting plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621215561.4U CN206225875U (en) | 2016-11-11 | 2016-11-11 | A kind of solid insulated switchgear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621215561.4U CN206225875U (en) | 2016-11-11 | 2016-11-11 | A kind of solid insulated switchgear |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206225875U true CN206225875U (en) | 2017-06-06 |
Family
ID=58792152
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621215561.4U Active CN206225875U (en) | 2016-11-11 | 2016-11-11 | A kind of solid insulated switchgear |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206225875U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107147032A (en) * | 2017-06-26 | 2017-09-08 | 河北电力装备有限公司 | A kind of linkage insulating bar group for solid insulation ring main unit |
| CN111313264A (en) * | 2019-12-09 | 2020-06-19 | 杰创电气有限公司 | Solid insulation bus-bar connection cabinet |
-
2016
- 2016-11-11 CN CN201621215561.4U patent/CN206225875U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107147032A (en) * | 2017-06-26 | 2017-09-08 | 河北电力装备有限公司 | A kind of linkage insulating bar group for solid insulation ring main unit |
| CN107147032B (en) * | 2017-06-26 | 2023-03-28 | 河北电力装备有限公司 | Linkage insulation rod group for solid insulation ring main unit |
| CN111313264A (en) * | 2019-12-09 | 2020-06-19 | 杰创电气有限公司 | Solid insulation bus-bar connection cabinet |
| CN111313264B (en) * | 2019-12-09 | 2021-04-13 | 双杰电气合肥有限公司 | Solid insulation bus-bar connection cabinet |
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| GR01 | Patent grant |