CN205863077U - A kind of tri-station isolating switch - Google Patents
A kind of tri-station isolating switch Download PDFInfo
- Publication number
- CN205863077U CN205863077U CN201620819666.4U CN201620819666U CN205863077U CN 205863077 U CN205863077 U CN 205863077U CN 201620819666 U CN201620819666 U CN 201620819666U CN 205863077 U CN205863077 U CN 205863077U
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- China
- Prior art keywords
- contact
- moving contact
- insulated support
- tri
- frame
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Abstract
The utility model discloses a kind of tri-station isolating switch, in high-voltage appliance switch field, including frame, frame is provided with plug-in strip unit, plug-in strip unit includes insulated support, lower insulated support, it is fixedly connected on the binding post on lower insulated support, the moving contact hinged with binding post, it is located at moving contact side accordingly and for the static contact contacted with moving contact and be located at moving contact opposite side accordingly and for the earthing contact contacted with moving contact, static contact and earthing contact are separately, described static contact is located on insulated support, earthing contact connects grounding copper bar.This utility model is simple, reliable, has suitable phase spacing, distance to the ground and creep age distance, is more suitable in gas-insulated ring network cabinet the tri-station isolating switch used.
Description
Technical field
This utility model belongs to high-voltage appliance switch field, particularly relates to a kind of tri-station isolating switch.
Background technology
Owing to the requirement of the non-SF6 insulating properties to High-Voltage Electrical Appliances is more and more higher, we attempt with compression drying air or
Nitrogen (hereafter referred to collectively as environmental protection gas) replaces SF6, uses as insulating gas.But disconnecting switch originally is for adapting to
SF6 environment and design, distance to the ground and phase spacing are the least, and especially creep age distance is the least, are not suitable with the ring of environmental protection gas
Border.Other traditional air-insulated disconnecting switch opened wide, for dry air, have the big axle of transmission and insulation to draw
Bar, size is the biggest the most really.And structure is complicated, parts are many, and big axle drives insulated tension pole, then drives the knot of moving contact
Structure so that moving contact point, switching synchronization can decline, be unsatisfactory for completely filling the gas isolated ring main unit of environmental protection volume will
Ask.
Utility model content
The purpose of this utility model is to provide a kind of tri-station isolating switch, simple, reliable, has suitable spaced apart
From, distance to the ground and creep age distance, it is more suitable in gas-insulated ring network cabinet using.
For achieving the above object, this utility model adopts the following technical scheme that a kind of tri-station isolating switch, including machine
Frame, frame is provided with plug-in strip unit, and plug-in strip unit includes insulated support, lower insulated support, is fixedly connected on lower insulation
Binding post on the support member moving contact hinged with binding post, it is located at moving contact side and for contacting with moving contact accordingly
Static contact and be located at moving contact opposite side accordingly and for the earthing contact contacted with moving contact, static contact and earthing contact phase
Being spaced, described static contact is located on insulated support, and earthing contact connects grounding copper bar.
Described frame is provided with several plug-in strip unit.
All moving contacts are all installed on the installing rack of an insulation, and installing rack is hinged with frame by shaft insulation.
Described shaft insulation stretches out the outer end outside frame and is provided with square projection.
A kind of tri-station isolating switch described in the utility model, moving contact is located on installing rack and is driven by shaft insulation and turns
Dynamic, and arrive " combined floodgate-separating brake-ground connection " three stations.A kind of tri-station isolating switch described in the utility model, simple, reliable,
There is suitable phase spacing, distance to the ground and creep age distance, be more suitable in gas-insulated ring network cabinet using.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model；
Fig. 2 is structural representation during plug-in strip unit "on" position；
Fig. 3 is structural representation during plug-in strip unit gate-dividing state；
Fig. 4 is structural representation during plug-in strip unit ground state；
In figure: protruding 1, shaft insulation 2, frame 3, upper insulated support 4, plug-in strip unit 5, static contact 6, installing rack 9, dynamic touch
10, earthing contact 11, binding post 12, lower insulated support 13, reinforcement 15, grounding copper bar 16, trundle 17.
Detailed description of the invention
By a kind of tri-station isolating switch shown in Fig. 1-Fig. 4, including frame 3, frame 3 is framework.
Frame 3 is provided with plug-in strip unit 5, and described plug-in strip unit 5 includes insulated support 4, lower insulated support 13, consolidates
Surely the binding post 12 that is connected on lower insulated support 13 moving contact 10 hinged to binding post 12, corresponding it is located at moving contact 10
Side for the static contact 6 that contacts with moving contact 10 and be located at moving contact 10 opposite side accordingly and for connecing with moving contact 10
The earthing contact 11 touched；The top of lower insulated support 13 is located at upper insulated support 4 interval, and described static contact 6 is located at absolutely
On edge support member 4, convenient copper bar above connects static contact 6, and binding post 12 is vertically arranged and is fixedly connected on lower insulated support
On 13, lower insulated support 13 is provided with the most penetrating jack, and binding post 12 is inserted in the jack of lower insulated support 13, and
Binding post 12 and lower insulated support 13, also by together with being bolted to, facilitate following copper bar to connect binding post 12, upper insulation
Support member 4, lower insulated support 13 and grounding static contact 6 are the most with bolts in frame 3, upper and lower insulating supporting
Part 13 is considered as a part for framework, upper insulated support 4 and lower insulated support 13 and is rising while insulating effect, the most main
Play a supportive role；Binding post 12 and static contact 6 separately and earthing contact 11 the most separately, binding post 12 is located at interval at quiet
The lower section of contact 6, the rear of earthing contact 11, moving contact 10 is in strip, and moving contact 10 is articulated with the upside of binding post 12, and
The bottom of moving contact 10 is hinged with binding post 12 top by trundle 17, and moving contact 10 can be around its hinged with binding post 12
Point (i.e. trundle 17) rotates, and moving contact 10 contacts to form path with binding post 12, and it is dynamic tactile that trundle 17 is provided with compression
10 and the touch spring of binding post 12, touch spring provide moving contact 10 and binding post 12 contact pressure；Described static contact 6
With in the turning circumference that earthing contact 11 is respectively positioned on moving contact 10 and lay respectively at the circumferential both sides of moving contact 10, static contact 6 He
Separately, and the height of earthing contact 11 is located at the front side of static contact 6 less than static contact 6 interval to earthing contact 11.
Being interval with several plug-in strip unit 5 in described frame 3 the most successively, all of earthing contact 11 is all connected with connecing
Ground copper bar 16 (i.e. ground connection busbar), frame 3 is provided with a upper insulated support and a lower insulated support, all static contacts
All being bolted on insulated support, all of binding post is all installed on lower insulated support, and all moving contacts 10 are equal
Being installed on front side of the installing rack 9 of an insulation, on front side of installing rack 9, corresponding each shaft insulation 2 is equipped with a draw-in groove, moving contact 10
Insert corresponding draw-in groove, facilitate moving contact 10 to snap in fixing, and by pin, moving contact 10 and installing rack 9 are locked, the most dynamic
Contact 10 can be arranged on installing rack 9 very easily, it is not necessary to other auxiliary spare part, can meet climbing of insulating requirements
The requirement of electrical distance, is provided with insulation projection, to meet the requirement of phase insulation between adjacent two draw-in grooves；The rear side of installing rack 9
It is provided with staggered reinforcement 15, on the one hand alleviates the weight of installing rack 9, on the other hand strengthen the intensity of installing rack 9；Installing rack
9 is hinged with frame 3 by shaft insulation 2, the setting of shaft insulation 2 left and right horizontal, and the two ends of installing rack 9 are equipped with described shaft insulation 2, and two
Shaft insulation 2 is coaxially disposed, and shaft insulation 2 is the most rotatable with frame 3 grafting, and shaft insulation 2 is single-piece insulation system, and intensity is good, insulation
Property good, install simple, when shaft insulation 2 rotates, drive the moving contact 10 on installing rack 9 and installing rack 9 to rotate together, moving contact 10
And the pivot center between binding post 12 is coaxially disposed with shaft insulation 2, the central axis of trundle 17 and the central shaft of shaft insulation 2
Line conllinear.
The corresponding each shaft insulation 2 of frame 3 is equipped with the through hole that left and right is penetrating, and shaft insulation 2 inserts in corresponding through hole, wherein
The outer end (left end) outside frame 3 of the shaft insulation 2 being positioned at left side is provided with cubic projection 1, external mechanism drive this convex
Play 1 rotation, thus complete the action of disconnecting switch.
A kind of tri-station isolating switch described in the utility model, drives installing rack 9 and upper moving thereof to touch when shaft insulation 2 rotates
10 rotate together, complete the conversion of three stations of moving contact 10, and binding post 12 is installed on lower insulated support 13 guarantor
Demonstrate,prove the intensity of binding post 12, and binding post 12 is not rotated by shaft insulation 2 and moving contact 10 and affected.
Described three stations respectively combined floodgate-separating brake-ground connection:
When shaft insulation 2 drives moving contact 10 to rotate to the station closed a floodgate, dynamic and static contact 6 completely attaches to, dynamic and static contact 6
With binding post 12 path, the major loop making binding post 12 connect is connected, and is now in the duty closed a floodgate；
When shaft insulation 2 drives moving contact 10 to rotate to certain angle, moving contact 10 is made to be positioned at static contact 6 and earthing contact 11
Between, with static contact 6, earthing contact 11 the most separately, dynamic and static contact 6 is fully disconnected moving contact 10, is now in separating brake shape
State, it is to avoid the harm of leakage current, improves the safety coefficient of disconnecting switch；
When the station that shaft insulation 2 drives moving contact 10 to rotate to ground connection, when being i.e. in ground state, moving contact 10 with connect
Contact 11, ground contacts, and major loop dead ground, major loop is in ground state, makes repair and maintenance personnel safer.
Close a floodgate (work) position, open position, earthing position etc., the outer connection mechanism connecting shaft insulation 2 projection 1 ensure fortune
Dynamic angles and positions accuracy.
Claims (4)
1. a tri-station isolating switch, it is characterised in that: include that frame (3), frame (3) are provided with several plug-in strip unit (5),
Described plug-in strip unit (5) includes insulated support (4), lower insulated support (13), is fixedly connected on lower insulated support
(13) binding post (12) on the moving contact (10) hinged to binding post (12), corresponding it be located at moving contact (10) side and be used for
The static contact (6) that contacts with moving contact (10) and be located at moving contact (10) opposite side accordingly and for contacting with moving contact (10)
Earthing contact (11), separately, described static contact (6) is located at insulated support (4) for static contact (6) and earthing contact (11)
On, earthing contact (11) connects grounding copper bar (16).
2. a kind of tri-station isolating switch as claimed in claim 1, it is characterised in that: described frame (3) is provided with several lock
Cutter unit (5).
3. a kind of tri-station isolating switch as claimed in claim 2, it is characterised in that: all moving contacts (10) are all installed in one
On the installing rack (9) of individual insulation, installing rack (9) is hinged with frame (3) by shaft insulation (2).
4. tri-station isolating switch as claimed in claim 3 a kind of, it is characterised in that: described shaft insulation (2) towards frame
(3) outer end outward is provided with square projection (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620819666.4U CN205863077U (en) | 2016-08-01 | 2016-08-01 | A kind of tri-station isolating switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620819666.4U CN205863077U (en) | 2016-08-01 | 2016-08-01 | A kind of tri-station isolating switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205863077U true CN205863077U (en) | 2017-01-04 |
Family
ID=57653375
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620819666.4U Expired - Fee Related CN205863077U (en) | 2016-08-01 | 2016-08-01 | A kind of tri-station isolating switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205863077U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107404084A (en) * | 2017-09-26 | 2017-11-28 | 湖北网安科技有限公司 | A kind of compact type environment-protection gas inflated ring main unit |
| CN108847372A (en) * | 2018-07-30 | 2018-11-20 | 航天银山电气有限公司 | A kind of disconnecting switch |
| CN116646207A (en) * | 2023-07-26 | 2023-08-25 | 广东米勒电气有限公司 | Electric two-station isolating switch of full-insulation full-sealed gas-insulated cabinet |
-
2016
- 2016-08-01 CN CN201620819666.4U patent/CN205863077U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107404084A (en) * | 2017-09-26 | 2017-11-28 | 湖北网安科技有限公司 | A kind of compact type environment-protection gas inflated ring main unit |
| CN108847372A (en) * | 2018-07-30 | 2018-11-20 | 航天银山电气有限公司 | A kind of disconnecting switch |
| CN116646207A (en) * | 2023-07-26 | 2023-08-25 | 广东米勒电气有限公司 | Electric two-station isolating switch of full-insulation full-sealed gas-insulated cabinet |
| CN116646207B (en) * | 2023-07-26 | 2023-11-21 | 广东米勒电气有限公司 | Electric two-station isolating switch of full-insulation full-sealed gas-insulated cabinet |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170104 Termination date: 20210801 |