CN203242488U - Buscouple type current transformer and combined-cabinet structure with same - Google Patents
Buscouple type current transformer and combined-cabinet structure with same Download PDFInfo
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- CN203242488U CN203242488U CN 201320219430 CN201320219430U CN203242488U CN 203242488 U CN203242488 U CN 203242488U CN 201320219430 CN201320219430 CN 201320219430 CN 201320219430 U CN201320219430 U CN 201320219430U CN 203242488 U CN203242488 U CN 203242488U
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- current transformer
- buscouple
- cabinet
- electrical connector
- transformer body
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Abstract
The utility model discloses a buscouple type current transformer and a combined-cabinet structure with the buscouple type current transformer. According to the combined-cabinet structure with the buscouple type current transformer, a pluggable type electric connector is arranged between each of the two ends of the buscouple type current transformer and one corresponding switch cabinet. A high-voltage insulator which is of a truncated conical structure is arranged outside each electric connecting piece of the buscouple type current transducer. Inner cone insulators are fixed outside electric connectors of the adjacent switch cabinets and are matched with the high-voltage insulators which are of the truncated conical structure in a coinciding sealing plug-bushing mode. The combined-cabinet structure with the buscouple type current transformer is quite convenient to assemble and disassemble, facilitates connection, combination and maintenance of the switch cabinets and improves the sealing performance of each switch cabinet. Full-insulation and full-sealing electrical connection between the switch cabinets and current measurement can be achieved just through the buscouple type current transformer. In addition, the water-proof performance and the damp-proof performance of the current transformer are effectively improved, so that the insulation performance and the measurement precision of the current transformer are improved, and the service life of the buscouple type current transformer is prolonged.
Description
Technical field
The utility model belongs to the high voltage power distribution technical field, and definite saying relates to a kind of mother formula current transformer and use this current transformer to realize the also cabinet of adjacent high-tension switch cabinet electrical connection.
Background technology
Chinese utility model patent open file CN201035064Y discloses a kind of mother formula fully-sealed electric current transformer, this current transformer adopts the epoxide resin vacuum cast that iron core, winding, a secondary winding one are cast for totally enclosed column structure, the two ends that are divided into columnar body relative to leading-out terminal, the end of incoming cables of a winding are respectively equipped with for the umbrella skirt construction of strengthening creepage distance outside the end of incoming cables of a winding and leading-out terminal.At present, electric power supply system becomes increasingly complex, and often needs between gas all-insulated switch cabinet and/or the solid all-insulated switch cabinet to realize electrical connection and current measurement with this mother formula current transformer.But need to and in two switch cabinets, connect respectively an end of incoming cables and a leading-out terminal of current transformer in two switch cabinets punchings when adopting this mother formula fully-sealed electric current transformer to connect two switch cubicles, thereby its dismounting trouble not only, and easily destroy the sealing property of switch cabinet, and because the binding post that arranges on end of incoming cables at existing mother formula current transformer two ends and the leading-out terminal all is exposed in the air, cause this current transformer its waterproof when concrete the use, moisture effect is relatively poor, reduce the insulation property of current transformer, affected the certainty of measurement of current transformer.
The utility model content
The purpose of this utility model is: provide a kind of and cabinet, to solve the dismounting inconvenience and easily destroy the problem of switch cubicle sealing property when connecting adjacent two switch cubicle of existing mother formula current transformer.
The technical scheme of the utility model and cabinet is: a kind of and cabinet, the mother formula current transformer that comprises the electrical connection of plural switch cubicle and realization adjacent switch cabinet, described mother formula current transformer comprises current transformer body, between the two ends of current transformer body and respective switch cabinet, be respectively equipped with the electrical connector for electrical connection, outside electrical connector, be respectively equipped with high voltage insulator, the described plug-in electric connector of electrical connector for pegging graft and cooperating of being located on end, current transformer body two ends and the corresponding switch cubicle, the high voltage insulator at described current transformer body two ends is the frusto-conical configuration that diameter is increased to the current transformer body middle part gradually by corresponding end, and the high voltage insulator on described adjacent two switch cubicles is to coincide with corresponding truncated cone to seal the inner cone insulator that sleeve cooperates.
Described plug-in electric connector comprises conducting rod and elasticity fingertip, and described conducting rod is fixed in inner cone insulator miner diameter end center, and described elasticity fingertip is bolted in the blind hole that the end face center that is installed on the current transformer body two ends digs.
Described inner cone insulator comprises the tapered sleeve part, the tapered sleeve of described inner cone insulator partly penetrates in the opening of offering on the corresponding switch cabinet body wall, and radial convex is provided with the gear edge that cooperates with corresponding switch cabinet body wall outside wall surface block on the bigger diameter end outer peripheral face of inner cone insulator.
The utility model also provides a kind of mother formula current transformer for realizing being electrically connected between the adjacent switch cabinet simultaneously, the technical scheme of this mother formula current transformer is: a kind of mother formula current transformer, comprise current transformer body, be respectively equipped with at the two ends of current transformer body for the instrument transformer electrical connector that is electrically connected with corresponding switch cubicle, outside the instrument transformer electrical connector, be respectively equipped with high voltage insulator, the plug-in electrical connector of the instrument transformer electrical connector at described current transformer body two ends for being used for being electrically connected with the respective switch cabinet, described high voltage insulator are the frusto-conical configuration that diameter is increased to the current transformer body middle part gradually by corresponding end.
End face center at described current transformer body two ends has dug respectively blind hole, and described plug-in electrical connector is the elasticity fingertip that is bolted in corresponding blind hole.
The utility model adopts and cabinet is between mother formula current transformer two ends and corresponding switch cubicle the plug-in electric connector to be set, the electrical connector of mother formula current transformer therein arranges the high voltage insulator of frustum of a cone structure outward, outside the electrical connector of adjacent switch cabinet, be fixed with the inner cone insulator that cooperates with the identical sealing of the high voltage insulator sleeve of this frustum of a cone structure, not only dismounting is very convenient for it, be convenient to connection combination and the maintenance of switch cubicle, and it has improved the sealing property of switch cubicle, can realize all insulation and hermetic electrical connection between the switch cubicle by this mother formula current transformer, can realize current measurement again, also effectively improved simultaneously the waterproof of current transformer, humidity resistance, thereby strengthened insulation property and the certainty of measurement of current transformer, prolonged the useful life of mother formula current transformer.
Description of drawings
Fig. 1 is the structural representation of the concrete embodiment of the utility model mother formula current transformer;
Fig. 2 is the structural representation of the utility model and cabinet specific embodiment.
Embodiment
The specific embodiment of mother formula current transformer of the present utility model as shown in Figure 1, this mother formula current transformer comprises that one castable, integral body are the current transformer body 1 of column construction, be provided with secondary wiring terminals 4 at the middle part of current transformer body 1, be respectively end of incoming cables 2 and the leading-out terminal 3 of a winding at the two ends of current transformer body 1, the end of incoming cables 2 of this winding and leading-out terminal 3 are comprised of the high voltage insulator that is used for the electrical connector that is electrically connected with corresponding switch cubicle and be located at outside the electrical connector respectively.In the present embodiment, winding end of incoming cables 2 and leading-out terminal 3 are realized electrical connection with the adjacent switch cabinet by the plug-in electric connector respectively, wherein, the electrical connector of being located at current transformer body 1 two ends is for by bolt 22 hard-wired elasticity fingertips 21, the frusto-conical configuration that to be diameter increased to the middle part of current transformer body 1 gradually by corresponding end of the elasticity fingertip 21 outer respectively high voltage insulators of cast at current transformer body 1 two ends.
When the electrical connection between the above-mentioned mother formula current transformer realization gas all-insulated switch cabinet of employing and/or the solid all-insulated switch cabinet, as shown in Figure 2, it is at adjacent two switch cubicles 5, be installed with respectively on the 6 relative cabinet walls and high voltage insulator that mother formula current transformer two ends the are frusto-conical configuration inner cone insulator 7 that the sealing sleeve cooperates that coincide, 8, two inner cone insulators 7,8 comprise that respectively large end is fixed on the tapered sleeve part on the corresponding regulator wall outwardly, at two inner cone insulators 7, the miner diameter end center of 8 tapered sleeves parts is fixed with respectively for the conducting rod of pegging graft and cooperating with the elasticity fingertip 21 of corresponding winding end of incoming cables 2 of mother formula current transformer and leading-out terminal 3, this conducting rod and corresponding elasticity fingertip 21 mix proportion plug-in electric connectors are realized the electrical connection between mother formula current transformer and the corresponding inner cone insulator.On the outer peripheral face of two inner cone insulators 7,8 bigger diameter ends, also convex with the gear edge that cooperates with the axial block of corresponding switch cabinet body wall outside wall surface.During connection, winding end of incoming cables 2, mother formula current transformer two ends and leading-out terminal 3 are inserted respectively in the inner cone insulator 7,8 fixing on adjacent two switch cubicles 5,6 the cabinet wall, and the conducting rod in the two inner cone insulators 7,8 inserts in the elasticity fingertip 21 that mother formula current transformer corresponding end arranges.Thereby realize the electrical connection between adjacent two switch cubicles 7,8, and can realize the current measurement between adjacent two switch cubicles 5,6 simultaneously.
In the utility model on adjacent two switch cubicles hard-wired inner cone insulator can adopt existing bus inner cone insulator, make this mother formula current transformer not only have interior tapered bus tie function but also have the current transformer function, it is not only easy for site installation and connection, and because identical being sealed and matched between the male cone (strobilus masculinus) of the inner conical surface that is fixed on the inner cone insulator on the switch cubicle and the conical butt high voltage insulator of mother formula current transformer end, thereby need not outside winding end of incoming cables of mother formula current transformer and leading-out terminal, to arrange umbrella skirt construction and can realize all insulation and hermetic electrical connection between the adjacent switch cabinet, make it under the prerequisite of the security reliability that guarantees to be electrically connected between the adjacent switch cabinet, simplified the contour structures of mother formula current transformer, reduced the production cost of mother formula current transformer, simultaneously, winding end of incoming cables, mother formula current transformer two ends and locate leading-out terminal and adopt respectively the high voltage insulator of frustoconical to cooperate the waterproof that also effectively raises mother formula current transformer with the inner cone insulator, humidity resistance, strengthen insulation property and the certainty of measurement of current transformer, prolonged the useful life of mother formula current transformer.
The utility model is not limited to above-described embodiment, when concrete the application, the high voltage insulator of the outer cast of winding end of incoming cables, above-mentioned mother formula current transformer two ends and leading-out terminal can also be large, a little pyramidal structure such as triangular pyramid, rectangular pyramid except taper shape; The conducting rod of being located in the plug-in electric connector between inner cone insulator and the mother formula current transformer also can be fixed on winding end of incoming cables of mother formula current transformer and the corresponding blind hole center of offering of leading-out terminal; the peg graft elasticity fingertip that cooperate corresponding to conducting rod is fixed in corresponding inner cone insulator tapered sleeve miner diameter end center partly, and above various equivalent deformations are all within protection range of the present utility model.
Claims (5)
1. one kind and cabinet, the mother formula current transformer that comprises the electrical connection of plural switch cubicle and realization adjacent switch cabinet, described mother formula current transformer comprises current transformer body, between the two ends of current transformer body and respective switch cabinet, be respectively equipped with the electrical connector for electrical connection, outside electrical connector, be respectively equipped with high voltage insulator, it is characterized in that, the described plug-in electric connector of electrical connector for pegging graft and cooperating of being located on end, current transformer body two ends and the corresponding switch cubicle, the high voltage insulator at described current transformer body two ends is the frusto-conical configuration that diameter is increased to the current transformer body middle part gradually by corresponding end, and the high voltage insulator on described adjacent two switch cubicles is to coincide with corresponding truncated cone to seal the inner cone insulator that sleeve cooperates.
2. described and cabinet according to claim 1, it is characterized in that, described plug-in electric connector comprises conducting rod and elasticity fingertip, described conducting rod is fixed in inner cone insulator miner diameter end center, and described elasticity fingertip is bolted in the blind hole that the end face center that is installed on the current transformer body two ends digs.
3. according to claim 2 and cabinet, it is characterized in that, described inner cone insulator comprises the tapered sleeve part, the tapered sleeve of described inner cone insulator partly penetrates in the opening of offering on the corresponding switch cabinet body wall, and radial convex is provided with the gear edge that cooperates with corresponding switch cabinet body wall outside wall surface block on the bigger diameter end outer peripheral face of inner cone insulator.
4. mother formula current transformer, comprise current transformer body, be respectively equipped with at the two ends of current transformer body for the instrument transformer electrical connector that is electrically connected with corresponding switch cubicle, outside the instrument transformer electrical connector, be respectively equipped with high voltage insulator, it is characterized in that, the plug-in electrical connector of the instrument transformer electrical connector at described current transformer body two ends for being used for being electrically connected with the respective switch cabinet, described high voltage insulator are the frusto-conical configuration that diameter is increased to the current transformer body middle part gradually by corresponding end.
5. mother formula current transformer according to claim 4 is characterized in that, has dug respectively blind hole at the end face center at described current transformer body two ends, and described plug-in electrical connector is the elasticity fingertip that is bolted in corresponding blind hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320219430 CN203242488U (en) | 2013-04-26 | 2013-04-26 | Buscouple type current transformer and combined-cabinet structure with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320219430 CN203242488U (en) | 2013-04-26 | 2013-04-26 | Buscouple type current transformer and combined-cabinet structure with same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203242488U true CN203242488U (en) | 2013-10-16 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320219430 Expired - Lifetime CN203242488U (en) | 2013-04-26 | 2013-04-26 | Buscouple type current transformer and combined-cabinet structure with same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203242488U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105428042A (en) * | 2015-12-28 | 2016-03-23 | 保定天威保变电气股份有限公司 | Sealed type high-voltage current penetrating device |
| CN107645080A (en) * | 2017-10-31 | 2018-01-30 | 现代重工(中国)电气有限公司 | A kind of integral type Current Mutual Inductance cable socket |
| CN110176745A (en) * | 2019-07-04 | 2019-08-27 | 中车青岛四方车辆研究所有限公司 | A kind of pulling/inserting structure for EMU hv cable termination |
| CN113169530A (en) * | 2018-12-06 | 2021-07-23 | 三菱电机株式会社 | Bus bar connection device, switch cabinet and connection method of bus bar connection device |
-
2013
- 2013-04-26 CN CN 201320219430 patent/CN203242488U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105428042A (en) * | 2015-12-28 | 2016-03-23 | 保定天威保变电气股份有限公司 | Sealed type high-voltage current penetrating device |
| CN105428042B (en) * | 2015-12-28 | 2017-04-05 | 保定天威保变电气股份有限公司 | Closed type high-tension current through device |
| CN107645080A (en) * | 2017-10-31 | 2018-01-30 | 现代重工(中国)电气有限公司 | A kind of integral type Current Mutual Inductance cable socket |
| CN113169530A (en) * | 2018-12-06 | 2021-07-23 | 三菱电机株式会社 | Bus bar connection device, switch cabinet and connection method of bus bar connection device |
| CN110176745A (en) * | 2019-07-04 | 2019-08-27 | 中车青岛四方车辆研究所有限公司 | A kind of pulling/inserting structure for EMU hv cable termination |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20131016 |
|
| CX01 | Expiry of patent term |