CN204927164U - Indoor three station internal rotation list power high voltage isolator of double knives that have annular insulation cover - Google Patents
Indoor three station internal rotation list power high voltage isolator of double knives that have annular insulation cover Download PDFInfo
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- CN204927164U CN204927164U CN201520729869.XU CN201520729869U CN204927164U CN 204927164 U CN204927164 U CN 204927164U CN 201520729869 U CN201520729869 U CN 201520729869U CN 204927164 U CN204927164 U CN 204927164U
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- swing arm
- high voltage
- voltage isolator
- insulating support
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Abstract
The utility model provides an indoor three station internal rotation list power high voltage isolator of double knives that have annular insulation cover, include: insulation support, the installation of the insulation support outside is fixed on the installing support, and insulation support inside is cylindrical hollow structure, and insulation support is inside to be equipped with first swing arm, second swing arm, and first swing arm, second swing arm are installed on the swing arm fixing base, and the swing arm fixing base passes through the operating axis to be installed on the installing support, and first swing arm, second swing arm outer end are equipped with the moving contact, correspond the position with the moving contact and be equipped with the static contact on insulation support. The utility model has the advantages of simple and compact structure, the function is reliable, and is small, light in weight, and different current level, switch appearance and mounting dimension are unanimous, and the commonality is strong, goes up moreover and keeps apart, and lower isolator body is unchangeable, and switch appearance and mounting dimension are unchangeable, and it is convenient to use.
Description
Technical field
The utility model relates to isolating switch technical field, is specially a kind ofly indoorly to rotate single supply high voltage isolator with in double-pole three station of annular insulating cover.
Background technology
Isolating switch is loaded on transformer or generating equipment low-voltage side outlet end or branch path leading-out terminal and the matching used isolated from power device of the electric elements such as circuit breaker, fuse.It has isolation features in the off state, to guarantee personal safety when maintenance personal to check power consumption equipment or to keep in repair.Isolating switch because of special role, under the severe industrial environment such as cement, environmental protection, metallurgy, in order to better to field instrument signals collecting, control through be everlasting the system integration time be just furnished with special isolation cabinet.But there is obvious defect, between every two stations, the anglec of rotation is 45 °, and after causing separating brake, electrified body one end is often less than 125mm to the safe distance of non-electrified body one end, can not meet the requirement of GB security performance.
Utility model content
The technical problem that the utility model solves is to provide a kind of and indoorly rotates single supply high voltage isolator with in double-pole three station of annular insulating cover, to solve the problem proposed in above-mentioned background technology.
The technical problem that the utility model solves realizes by the following technical solutions: a kind ofly indoorly rotate single supply high voltage isolator with in double-pole three station of annular insulating cover, comprise: the annular insulating cover that upper and lower two groups of insulating supports are formed, be fixed on the mounting bracket of galvanized sheet making outside described insulating support, insulating support inside is cylindrical hollow configuration, insulating support inside is provided with the first swing arm, second swing arm, first swing arm, second swing arm is arranged on swing arm holder, swing arm holder is arranged on mounting bracket by operating axis, described first swing arm, angle between second swing arm is 120 °, first swing arm, second swing arm outer end is provided with moving contact, insulating support is provided with fixed contact with moving contact correspondence position.
The described swing arm holder left and right sides is inner when pouring into a mould embeds copper conductor, connects the major loop of the first swing arm, the second swing arm; Swing arm holder rear and front end is provided with insulation full skirt, strengthens the insulation creep distance between mounting bracket, between phase.
Described insulating support side is provided with grounding static contact, is provided with ground connection busbar outside grounding static contact.
Major loop wiring bus-row is installed outside described fixed contact.
Compared with prior art, the beneficial effects of the utility model are: the utility model structure is simple, compact, volume is little, lightweight, reliable in function, meet the demand of the different current class of 400 ~ 1250A, and market application is wide.Switch geometry and installation dimension are consistent, highly versatile, and upper isolation, and lower isolating switch body is constant, switch geometry and installation dimension constant, application is convenient.Key is that below the first swing arm of top, the second swing arm all has obvious cut-off point, between every two stations, the anglec of rotation is 60 °, hilted broadsword safe distance is 175mm, much larger than 125mm, the no matter formal dress or instead fill when point position, safe distance is the twice of common isolation knife, can reach the distance of 350mm.Except co-bit, point position, also have adjustable 3rd station: position, ground connection position, safer.Do feeder cabinet isolating switch use when being mainly reflected in isolating switch formal dress, left side upper and lower is primary circuit link position, and right side is earthing position, and below leading-out terminal can ground connection; Isolating switch is counter does incoming line cabinet isolating switch use when filling, and right side upper and lower is primary circuit link position, and left side is earthing position, and end of incoming cables, top can ground connection.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is three-dimensional icon of the present utility model intention.
Embodiment
In order to make actualizing technology means of the present utility model, creation characteristic, reach object and effect is easy to understand, below in conjunction with concrete diagram, set forth the utility model further.
As Fig. 1, shown in Fig. 2, a kind ofly indoorly rotate single supply high voltage isolator with in double-pole three station of annular insulating cover, comprise: insulating support 2, be fixed on outside described insulating support 2 on mounting bracket 1, insulating support 2 inside is cylindrical hollow configuration, insulating support 2 inside is provided with the first swing arm 5, second swing arm 10, first swing arm 5, second swing arm 10 is arranged on swing arm holder 4, swing arm holder 4 is arranged on mounting bracket 1 by operating axis 3, described first swing arm 5, angle between second swing arm 10 is 120 °, between every two stations, the anglec of rotation is 60 °, first swing arm 5, second swing arm 10 outer end is provided with moving contact 6, insulating support 2 is provided with fixed contact 7 with moving contact 6 correspondence position.
Described swing arm holder 4 has the external shed 11 of integral type cast, increase the insulation creep distance between mounting bracket 1.
Described insulating support 2 side is provided with grounding static contact 8, is provided with ground connection busbar outside grounding static contact 8.
Outside described fixed contact 7, major loop wiring bus-row is installed.
In the utility model, three groups of fixed contacts are separately fixed on the epoxy resins insulation support be made up of APG technique, wherein static contact isolation switch is fixed on upper and lower side, grounding static contact is fixed on left or right end, and the horizontal end face that fixed contact exposes simultaneously directly can be connected as the main busbar of leading-out terminal seat and outside; Isolating switch moving contact and moving contact of grounding switch integrate by the V-shaped moving contact of integration, the two panels moving contact of each phase is fixed via the insulating part two sides of high strength and through the high-strength insulating operating axis of V-shaped, operating axis is fixed on the axle center place of epoxy resins insulation support by the rear and front end of mounting bracket, is driven moving contact to complete combined floodgate-separating brake-ground connection operation by the rotation of operating axis.Operating grip is worked in coordination by its termination and guidance panel and operating axis and is ensured that it operates in place.
The utility model is suitable for in miniaturized ring main unit, also can be applied in various fixed switching cabinet, it combines the functional characteristics of successive dynasties isolating switch, by isolating switch moving contact and moving contact of grounding switch integrated design, fixed contact (junction block) is distributed on circular epoxy package, be wherein static contact isolation switch up and down, side is grounding static contact.Undertaken closing a floodgate by the rotation process switch of center operations axle-separating brake-ground connection operation, utilize the position of rotation of the positioning cam control switch on operating mechanism to carry out combined floodgate-separating brake-ground connection process.Each functional unit blockization design, compact conformation, reliable in function, simple to operate.
More than show and describe general principle of the present utility model and principal character and advantage of the present utility model.The technical staff of the industry should understand; the utility model is not restricted to the described embodiments; what describe in above-described embodiment and specification just illustrates principle of the present utility model; under the prerequisite not departing from the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall within the scope of claimed the utility model.Claimed scope of the present utility model is defined by appending claims and equivalent thereof.
Claims (4)
1. one kind indoorly rotates single supply high voltage isolator with in double-pole three station of annular insulating cover, comprise: insulating support, it is characterized in that: be fixed on outside described insulating support on mounting bracket, insulating support inside is cylindrical hollow configuration, insulating support inside is provided with the first swing arm, second swing arm, first swing arm, second swing arm is arranged on swing arm holder, swing arm holder is arranged on mounting bracket by operating axis, described first swing arm, angle between second swing arm is 120 °, between every two stations, the anglec of rotation is 60 °, first swing arm, second swing arm outer end is provided with moving contact, insulating support is provided with fixed contact with moving contact correspondence position.
2. according to claim 1ly a kind ofly indoorly rotate single supply high voltage isolator with in double-pole three station of annular insulating cover, it is characterized in that: the swing arm holder left and right sides is inner when pouring into a mould embeds copper conductor, connects the major loop of the first swing arm, the second swing arm; Swing arm holder rear and front end is provided with insulation full skirt, strengthens the insulation creep distance between mounting bracket, between phase.
3. according to claim 1ly a kind ofly indoorly rotate single supply high voltage isolator with in double-pole three station of annular insulating cover, it is characterized in that: described insulating support side is provided with grounding static contact, is provided with ground connection busbar outside grounding static contact.
4. according to claim 1ly a kind ofly indoorly rotate single supply high voltage isolator with in double-pole three station of annular insulating cover, it is characterized in that: major loop wiring bus-row is installed outside described fixed contact.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520729869.XU CN204927164U (en) | 2015-09-18 | 2015-09-18 | Indoor three station internal rotation list power high voltage isolator of double knives that have annular insulation cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520729869.XU CN204927164U (en) | 2015-09-18 | 2015-09-18 | Indoor three station internal rotation list power high voltage isolator of double knives that have annular insulation cover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204927164U true CN204927164U (en) | 2015-12-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520729869.XU Active CN204927164U (en) | 2015-09-18 | 2015-09-18 | Indoor three station internal rotation list power high voltage isolator of double knives that have annular insulation cover |
Country Status (1)
| Country | Link |
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| CN (1) | CN204927164U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108767729A (en) * | 2018-08-08 | 2018-11-06 | 湖北省电力装备有限公司 | A kind of small-sized side-mounted looped network breaker cabinet |
| CN109830911A (en) * | 2019-01-10 | 2019-05-31 | 广东阿尔派电力科技股份有限公司 | The gas-insulating and fully-enclosed all insulation looped network switch apparatus of novel environment friendly |
-
2015
- 2015-09-18 CN CN201520729869.XU patent/CN204927164U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108767729A (en) * | 2018-08-08 | 2018-11-06 | 湖北省电力装备有限公司 | A kind of small-sized side-mounted looped network breaker cabinet |
| CN109830911A (en) * | 2019-01-10 | 2019-05-31 | 广东阿尔派电力科技股份有限公司 | The gas-insulating and fully-enclosed all insulation looped network switch apparatus of novel environment friendly |
| CN109830911B (en) * | 2019-01-10 | 2024-01-12 | 广东阿尔派电力科技股份有限公司 | Environment-friendly gas-insulated totally-enclosed totally-insulated ring network switch equipment |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |