CN202276064U - Current transformer safe frame for strip mine mobile high voltage switch cabinet - Google Patents
Current transformer safe frame for strip mine mobile high voltage switch cabinet Download PDFInfo
- Publication number
- CN202276064U CN202276064U CN2011202402805U CN201120240280U CN202276064U CN 202276064 U CN202276064 U CN 202276064U CN 2011202402805 U CN2011202402805 U CN 2011202402805U CN 201120240280 U CN201120240280 U CN 201120240280U CN 202276064 U CN202276064 U CN 202276064U
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- current transformer
- switch cubicle
- mobile high
- front plate
- voltage switch
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Abstract
The utility model relates to a current transformer safe frame for a strip mine mobile high voltage switch cabinet, wherein front and rear clamp plates enable three current transformers to be located at the middle and upper position between the front and rear clamp plates, between the primary thread holes of the current transformers and the metal support above the front and rear clamp plates there are provided enough creepage distance and electrical gap, an insulating fastening member enables the front and rear clamp plates and the three current transformers to be connected in one, the integrated structure is sandwiched by two L-shaped metal supports, and the metal supports are fixed on a supporting seat of the bottom plate of the switch cabinet through a mounting fastening member. The utility model has the beneficial effects that the current transformer safe frame employs a clamping mounting mode and the metal mounting supports, thereby ensuring the mounting stability of the current transformers; between the lowest portions of the thread holes of the current transformers and the metal support there are provided the enough creepage distance and electrical gap, thereby ensuring reliable insulating performance, and satisfying the demands of mounting a domestic cake-shaped perforating current transformer inside the strip mine mobile high voltage switch cabinet.
Description
Technical field
The utility model relates to the electric product field, specifically, is a kind of opencut mobile high-voltage switch cubicle Current Transformer roll-over protective structure.
Background technology
The described opencut mobile high-voltage of the utility model switch cubicle is at present still a kind of electric product of import; The profile that the space of its distinctive internal structure can not use simple metallic support that China's production directly is installed is fit to the current transformer that this product (opencut mobile high-voltage switch cubicle) holds, and the patty perforated current transformer that must select for use China to produce.The intrinsic mounting means of patty perforated current transformer is to be stuck in outside the conductor; Now it being installed in the distinctive space of opencut mobile high-voltage switch cubicle by the defective mounting that its former design can produce is: fixing unstable (installation strength is not enough), the lead and base plate (steel plate) electric clearance that pass current transformer are not enough.Therefore, for firm installation that guarantees patty perforated current transformer and the electric clearance that has foot to purchase, need be a kind of emergency support that meets instructions for use of opencut mobile high-voltage switch cubicle design.
The utility model content
The purpose of the utility model is to solve above-mentioned technical problem; A kind of opencut mobile high-voltage switch cubicle Current Transformer roll-over protective structure is provided; Can realize the installation of patty perforated current transformer in import opencut mobile high-voltage switch cubicle that China produces, make patty perforated current transformer installation strength and on every side electric clearance meet the requirements.
For solving the problems of the technologies described above, the technical scheme that the utility model is taked is:
A kind of opencut mobile high-voltage switch cubicle Current Transformer roll-over protective structure; Contain front plate, rear plate, insulation securing member, metallic support and installation securing member; It is characterized in that; Said front plate, rear plate and insulation securing member are high voltage withstanding insulation system spare; The position of side on the upper side between front plate and rear plate are clipped in three current transformers wherein by the design pitch of current transformer, a through wires hole of current transformer maintains enough creepage distances and electric clearance with front plate and the square on the upper side metallic support of rear plate; The insulation securing member joins front plate, rear plate and three current transformers together, and this structure that joins together is sandwiched between again on the metallic support of two L shaped structures, and metallic support is fixed on the switch cubicle subplate bearer with the installation securing member; Current transformer is installed creepage distance and electric clearance around the back lead all than big with the creepage distance and the electric clearance of switch cubicle base plate, has guaranteed that creepage distance and electric clearance and the stable degree after the current transformer installation can meet the requirements fully.
On the plane of said front plate 1, have three that arrange by the current transformer design pitch, with onesize hole of through wires hole of current transformer; The rectangular opening that three setting-in secondary wiring of current mutual inductor seats are arranged, the installing hole and three installing holes that are connected metallic support of four insulation securing members in addition.
Said rear plate is the same with front plate big; On its plane, have three that arrange by the current transformer design pitch, with onesize hole of through wires hole of current transformer; The installing hole that also has four insulation securing members, the installing hole of four insulation of these installing holes and front plate securing member is corresponding.
Said metallic support is L shaped structure, is provided with the installing hole that is connected with the current transformer insulation assembly at its facade, is provided with the installing hole that is connected with the switch cubicle subplate bearer at its face for sleeping in.
The good effect of a kind of opencut mobile high-voltage of the utility model switch cubicle Current Transformer roll-over protective structure is:
(1) front plate, rear plate, insulation securing member are the high voltage withstanding insulation (structural member of the above voltage of anti-32KV/1min); The current transformer through wires hole is enough with the creepage distance and the electric clearance of the L shaped structure top of metallic support bottom, has guaranteed reliable insulation property;
(2) adopt the tactic pattern that clamps and the mounting bracket of metal material, guaranteed the stable degree that current transformer is installed;
(3) realize the installation of patty perforated current transformer in import opencut mobile high-voltage switch cubicle that China produces.
Description of drawings
Fig. 1 is the structural representation of a kind of opencut mobile high-voltage of the utility model switch cubicle Current Transformer roll-over protective structure;
Fig. 2 is the vertical view of Fig. 1;
Fig. 3 is the upward view of Fig. 1;
Label in the accompanying drawing is respectively:
1, front plate; 2, rear plate; 3, insulation securing member; 4, metallic support;
5, securing member is installed; 6, current transformer; 7, switch cubicle subplate bearer.
Embodiment
Provide the embodiment of a kind of opencut mobile high-voltage of the utility model switch cubicle Current Transformer roll-over protective structure below in conjunction with accompanying drawing, but be noted that the enforcement of the utility model is not limited to following execution mode.
Referring to accompanying drawing 1.A kind of opencut mobile high-voltage switch cubicle Current Transformer roll-over protective structure; Contain front plate 1, rear plate 2, insulation securing member 3, metallic support 4 and securing member 5 is installed; That said front plate 1, rear plate 2 and insulation securing member 3 all adopt is high voltage withstanding (the insulation system spare of the above voltage of anti-32KV/1min): three arrange by current transformer 6 design pitch, and 6 onesize holes of through wires hole of current transformer are arranged on the plane of said front plate 1; The rectangular opening that three setting-in current transformer 6 secondary connection seats are arranged, the installing hole and three installing holes that are connected metallic support 4 of four insulation securing members 3 in addition; The same size of said rear plate 2 with front plate; On its plane, have three that arrange by current transformer 6 design pitch, with 6 onesize holes of through wires hole of current transformer; The installing hole that also has four insulation securing members 3, the installing hole of four insulation of these installing holes and front plate securing member 3 is corresponding.Said metallic support 4 is L shaped structural member, is provided with the installing hole that is connected with current transformer 6 insulation assemblies at its facade, is provided with the installing hole that is connected with switch cubicle subplate bearer 7 at its face for sleeping in.Said installation securing member 5 can adopt standard fasteners.All structural members all should meet the quality standard of electric product.
Three current transformers 6 are arranged on the position of front plate 1 and rear plate 2 upper middle sides by the design pitch of current transformer 6, make a through wires hole of current transformer 6 maintain enough creepage distances and electric clearance with front plate 1 and the square on the upper side metallic support 4 of rear plate 2.Adopt insulation securing member 3 that front plate 1, rear plate 2 and three current transformers 6 are joined together, again this structure that joins together is interposed on the metallic support 4 of two L shaped structures.The installing hole of metallic support 4 through its face for sleeping in being installed, securing member 5 is fastened on the switch cubicle subplate bearer 7.
After the installation as above; Creepage distance around 6 leads of current transformer and electric clearance are all than big with the creepage distance and the electric clearance of switch cubicle base plate; In addition; As long as guaranteeing through wires hole, the height of metallic support 4 " L shaped " facade with the creepage distance of the L shaped structure top of metallic support 4 and electric enough gaps are arranged bottom; A lead after current transformer 6 is installed is just enough had a surplus with electric clearance with the creepage distance of switch cubicle, and like this, creepage distance after current transformer 6 installations and electric clearance and stable degree just can meet the requirement of electric product use fully.
More than be merely the preferred implementation of the utility model; Should be understood that; Concerning those skilled in the art, under the prerequisite that does not break away from the utility model design, can also make some improvement and retouching, these improvement and retouching also should be regarded as in the protection range of the utility model.
Claims (4)
1. opencut mobile high-voltage switch cubicle Current Transformer roll-over protective structure; Contain front plate (1), rear plate (2), insulation securing member (3), metallic support (4) and securing member (5) is installed; It is characterized in that; Said front plate (1), rear plate (2) and insulation securing member (3) are high voltage withstanding insulation system spare; The position of side on the upper side between front plate (1) and rear plate (2) are clipped in three current transformers (6) wherein by the design pitch of current transformer (6), through wires hole of current transformer (6) and front plate (1) and rear plate (2) be metallic support (4) the maintenance creepage distance and the electric clearance of side on the upper side; Insulation securing member (3) joins front plate (1), rear plate (2) together with three current transformers (6); This structure that joins together is sandwiched between again on the metallic support (4) of two L shaped structures, and metallic support (4) is used installation securing member (5) to be fixed on the switch cubicle subplate bearer (7).
2. a kind of opencut mobile high-voltage switch cubicle Current Transformer roll-over protective structure according to claim 1; It is characterized in that; On the plane of said front plate (1), have three that arrange by current transformer (6) design pitch, with (6) onesize holes of through wires hole of current transformer; The rectangular opening that three setting-in current transformers (6) secondary connection seat is arranged, the installing hole and three installing holes that are connected metallic support (4) of four insulation securing members (3) in addition.
3. a kind of opencut mobile high-voltage switch cubicle Current Transformer roll-over protective structure according to claim 1; It is characterized in that; Said rear plate (2) is the same with front plate big; On its plane, have three that arrange by current transformer (6) design pitch, with (6) onesize holes of through wires hole of current transformer, also have the installing holes of four insulation securing members (3), the insulate installing hole of securing member (3) of these installing holes and four of front plates is corresponding.
4. a kind of opencut mobile high-voltage switch cubicle Current Transformer roll-over protective structure according to claim 1; It is characterized in that; Said metallic support (4) is L shaped structure; Be provided with the installing hole that is connected with current transformer (6) insulation assembly at its facade, be provided with the installing hole that is connected with switch cubicle subplate bearer (7) at its face for sleeping in.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202402805U CN202276064U (en) | 2011-07-08 | 2011-07-08 | Current transformer safe frame for strip mine mobile high voltage switch cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202402805U CN202276064U (en) | 2011-07-08 | 2011-07-08 | Current transformer safe frame for strip mine mobile high voltage switch cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202276064U true CN202276064U (en) | 2012-06-13 |
Family
ID=46196402
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202402805U Expired - Fee Related CN202276064U (en) | 2011-07-08 | 2011-07-08 | Current transformer safe frame for strip mine mobile high voltage switch cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202276064U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107444828A (en) * | 2017-08-11 | 2017-12-08 | 国网山东省电力公司昌邑市供电公司 | Current transformer portable clip |
| CN109217149A (en) * | 2017-06-30 | 2019-01-15 | 河南平高通用电气有限公司 | A kind of current transformer mounting assembly and the switchgear using the mounting assembly |
-
2011
- 2011-07-08 CN CN2011202402805U patent/CN202276064U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109217149A (en) * | 2017-06-30 | 2019-01-15 | 河南平高通用电气有限公司 | A kind of current transformer mounting assembly and the switchgear using the mounting assembly |
| CN109217149B (en) * | 2017-06-30 | 2021-03-19 | 河南平高通用电气有限公司 | Current transformer installation assembly and switch cabinet using same |
| CN107444828A (en) * | 2017-08-11 | 2017-12-08 | 国网山东省电力公司昌邑市供电公司 | Current transformer portable clip |
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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 |
Granted publication date: 20120613 Termination date: 20180708 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |