CN205487728U - Current transformer subassembly - Google Patents
Current transformer subassembly Download PDFInfo
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- CN205487728U CN205487728U CN201620328858.5U CN201620328858U CN205487728U CN 205487728 U CN205487728 U CN 205487728U CN 201620328858 U CN201620328858 U CN 201620328858U CN 205487728 U CN205487728 U CN 205487728U
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- current transformer
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- support body
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Abstract
The utility model provides a current transformer subassembly, including current transformer, has the middle part cavity, the conductor is worn to establish the middle part is in the cavity, has to be located respectively the input and the output at current transformer axial both ends, the insulation support body is installed in the cavity of middle part to row is equipped with at least two and is used for supplying the recess that the conductor passed, arbitrary two of each other insulating separating between the recess, and adjacent two the opening opposite direction of recess. When need with conductor assembly when current transformer's middle part cavity is inside, at first install the insulation support body in the cavity of current transformer's middle part, then along establish recess on the insulation support body wear to establish the conductor can, compare with prior art, need not on the conductor winding sticky tape or cover and establish the insulating sleeve, also need not paint insulated paint, can satisfy insulating requirement, therefore convenient assembling, labour saving and time saving, and can not be to workman's the healthy adverse effect that causes.
Description
Technical field
This utility model relates to Current Transformer Assembly technical field, is specifically related to a kind of Current Transformer Assembly can being set in outside conductor.
Background technology
In the electric equipment of such as RCCB etc., the electric current flowing through its inner conductor is the biggest, for the ease of measuring, often at the outside sheathed current transformer of this conductor, even if also conductor is through the central cavity of current transformer, form Current Transformer Assembly, in order to the larger current flowing through conductor is converted into the smaller current flowing through current transformer, thus be convenient for measuring, and can guarantee that safety.
Owing to the central cavity of current transformer is less, when having more than two phase conductors and forming Current Transformer Assembly also cross this central cavity, in order to avoid there is phase fault, generally requiring and taking some insulation measures.The method generally used in prior art has: 1) sheathed insulated sleeve or heat-shrink tube on conductor；2) on conductor, insulating tape it is wound around；3) on conductor, insullac is smeared；But, either sheathed insulated sleeve or heat-shrink tube on conductor, after being also wound around insulating tape the most more wastes time and energy, and conductor puts sleeve pipe or is wound around adhesive tape, volume increases, and not only takes up room and returns assembling increase difficulty；Insullac belongs to poisonous chemical products, healthy unfavorable to workman of life-time service.
Therefore, how to design a kind of easy to assembly, time saving and energy saving and will not be the most unsolved technical barrier in prior art to the healthy Current Transformer Assembly adversely affected of workman.
Utility model content
Therefore, the technical problems to be solved in the utility model is to overcome scheme or the installation taked for realizing the phase insulation of Current Transformer Assembly inner conductor in prior art to waste time and energy, increase assembly difficulty, or can the technological deficiency that work the mischief healthy to workman, thus provide a kind of easy to assembly, time saving and energy saving and will not be to the healthy Current Transformer Assembly adversely affected of workman.
To this end, this utility model provides a kind of Current Transformer Assembly, including:
Current transformer, has central cavity；
Conductor, is located in described central cavity, has input and the outfan laying respectively at the axial two ends of described current transformer；
Insulation support body, is arranged in described central cavity, is provided with the groove that at least two passes for supplying described conductor side by side, and described in any two, between groove, mutual insulating separates, and the opening direction of adjacent two described grooves is contrary.
As a kind of preferred version, described groove is three, and the first centrally located groove, to the most protruding with its openings, forms the insulated barriers between two the second grooves of two side positions.
As a kind of preferred version, described insulation support body being additionally provided with two relative flat boards, the outer side edges of two described flat boards is suitably against on the inwall of described central cavity, thus is arranged on inside described central cavity by described insulation support body.
As a kind of preferred version, described flat board is respectively perpendicular with the lateral surface of two opposing sidewalls of described first groove and is connected, and forms two described second grooves together with two described sidewalls.
As a kind of preferred version, the bottom surface of described first groove includes being positioned at the Part I within described central cavity, at described Part I along the axial two ends of described central cavity, it is connected to Part II and Part III, described Part II and described Part III are respectively positioned on outside described central cavity, and extend certain length to described axially vertical direction.
As a kind of preferred version, the bearing of trend of described Part II and described Part III is contrary.
As a kind of preferred version, two the 3rd grooves it are further opened with on described insulation support body, two described 3rd grooves are positioned at outside described central cavity, and second groove described with two connects respectively, the opening of described 3rd groove is towards described current transformer, and the direction away from described first groove outwards bends.
As a kind of preferred version, described current transformer has blind end and open end, and described open end is provided with insulation system, separates for the conductor insulation that will be located in wire in described current transformer relative with described open end.
As a kind of preferred version, described insulation system includes being wrapped in the insulating tape outside described open end.
As a kind of preferred version, described insulation system also includes the insulating resin being potted in described insulating tape seaming position.
The Current Transformer Assembly that this utility model provides, has the advantage that
Current Transformer Assembly the most of the present utility model, including the current transformer with central cavity, it is located in the conductor within central cavity, and it is arranged on the insulation support body within central cavity, at least two it is provided with side by side for the groove passed for conductor on this insulation support body, between any two groove, mutual insulating separates, and the opening direction of adjacent two grooves is contrary；When needing the central cavity inside that conductor is assemblied in current transformer, first insulation support body is arranged in central cavity, then conductor is worn along the groove being located on insulation support body, compared with prior art, without being wound around adhesive tape or sheathed insulating sleeve on conductor, without smearing insullac, insulating requirements can be met, thus easy to assembly, time saving and energy saving, and the healthy of workman will not be adversely affected.The opening direction of adjacent two grooves is contrary, although the conductor being so positioned at adjacent two grooves is close together, also will not contact generation phase fault easily, be positioned at the conductor distance of the identical groove of adjacent two opening direction farther out, phase fault will not occur easily.
Current Transformer Assembly the most of the present utility model, groove is three, and the first centrally located groove is protruding to opposite to that direction, form the insulated barriers between two the second grooves of two side positions, such setting can make three grooves generally within same, be conducive to reducing volume, and be effectively increased the insulated barriers distance between the groove that adjacent two opening direction is identical.
Current Transformer Assembly the most of the present utility model, insulation support body is provided with two relative flat boards, the outer side edges of flat board abuts against on the inwall of central cavity, thus insulation support body is arranged on inside central cavity, and the lateral surface of two opposing sidewalls of flat board and the first groove is respectively perpendicular connection, form two the second grooves, such setting, can not only easily insulation support body be arranged on inside central cavity, yet forms both second groove with larger open, consequently facilitating the installation of conductor.
Current Transformer Assembly the most of the present utility model, Part II and Part III respectively with being connected along the axially extended two ends of central cavity of Part I, and it is respectively positioned on outside central cavity, and extend certain length to axially vertical direction, this set can increase the distance between the conductor of adjacent installation further, the electric clearance between adjacent two conductors or creep age distance is made to meet insulating requirements, it is ensured that safety.Further, the bearing of trend that can arrange Part II and Part III is contrary, and insulated barriers effect is more preferable.
Current Transformer Assembly the most of the present utility model, being further opened with two the 3rd grooves on insulation support body, two the 3rd grooves are positioned at outside central cavity, and connect with two the second grooves respectively, the opening of the 3rd groove is towards current transformer, and the direction away from the first groove outwards bends；3rd groove can increase the conductor that is located in the second groove further from central cavity electrical distance after protruding and between the conductor being located in the first groove or creep age distance, is further ensured that safety, it is to avoid phase fault occurs.
Current Transformer Assembly the most of the present utility model, generally there is blind end and open end due to current transformer, it is short-circuited in order to avoid the conductor relative with open end and between the wire within current transformer, open end is provided with insulation system, this insulation system is to be wrapped in the insulating tape outside open end, in order to promote insulation effect further, also at the seam crossing embedding insulating resin of insulating tape.
Accompanying drawing explanation
In order to be illustrated more clearly that the technical scheme in prior art or this utility model detailed description of the invention, accompanying drawing used in describing prior art or detailed description of the invention below is briefly described, apparently, for those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the axonometric chart of Current Transformer Assembly in this utility model embodiment.
Fig. 2 is another three-dimensional view of Fig. 1.
Fig. 3 is the axonometric chart of insulation support body in Fig. 1.
Fig. 4 is another three-dimensional view of Fig. 3.
Reference: 1-insulation support body, 10-groove, 11-the first groove, 12-the second groove, 13-the 3rd groove, 2-current transformer, 20-central cavity, 21-blind end, 22-open end, 3-conductor, 4-flat board, 5-sidewall, 6-bottom surface, 61-Part I, 62-Part II, 63-Part III.
Detailed description of the invention
Below in conjunction with Figure of description, the technical solution of the utility model is described, it is clear that following embodiment is not the embodiment that this utility model is whole.Based on the embodiment described by this utility model, the every other embodiment that those of ordinary skill in the art are obtained under not making other creative work premises, broadly fall into protection domain of the present utility model.
It should be noted that in description of the present utility model, term " first ", " second " are only used for describing purpose, and it is not intended that indicate or hint relative importance.As long as just can be combined with each other additionally, technical characteristic involved in this utility model difference embodiment disclosed below does not constitutes conflict each other.
Embodiment
The present embodiment provides a kind of Current Transformer Assembly, so that as a example by being used in three-phase conductor electrical equipment, as Figure 1-4, including current transformer 2, having central cavity 20；Conductor 3, is located in described central cavity 20, has input and the outfan laying respectively at the described axial two ends of current transformer 2；Insulation support body 1, is arranged in described central cavity 20, be provided with side by side three for the groove 10 passed for described conductor 3, described in any two, between groove 10, mutual insulating separates, and the opening direction of adjacent two described grooves 10 is contrary.
The Current Transformer Assembly of the present embodiment, when needing central cavity 20 inside that conductor 3 is assemblied in current transformer 2, first insulation support body 1 is arranged in the central cavity 20 of current transformer 2, then conductor 3 is worn along the groove being located on insulation support body, compared with prior art, without being wound around adhesive tape or sheathed insulating sleeve on conductor 3, without smearing insullac, insulating requirements can be met, thus easy to assembly, time saving and energy saving, and the healthy of workman will not be adversely affected.
In the present embodiment, the opening direction of adjacent two described grooves 10 is contrary, although the conductor being positioned at adjacent two grooves is close together, also will not contact generation phase fault easily, it is positioned at the conductor distance of the identical groove of adjacent two opening direction farther out, phase fault will not occur easily.
The first centrally located groove 11, to the most protruding with its openings, forms the insulated barriers between two the second grooves 12 of two side positions.Such setting can make three grooves 10 generally within same, is conducive to reducing volume, and is effectively increased the insulated barriers distance between the groove 10 that adjacent two opening direction is identical.
When using in the electrical equipment with biphase or more phase conductor, the groove 10 for accommodating respective conductors 3 can be set up.
Being additionally provided with two relative flat boards 4 on described insulation support body 1, the outer side edges of two described flat boards 4 is suitably against on the inwall of described central cavity 20, thus it is internal that described insulation support body 1 is arranged on described central cavity 20.Described flat board 4 is respectively perpendicular with the lateral surface of two opposing sidewalls 5 of described first groove 11 and is connected, and forms two described second grooves 12 together with two described sidewalls 5.Such setting, can not only be arranged on insulation support body 1 central cavity 20 easily internal, yet forms both second groove 12 with larger open, consequently facilitating the installation of conductor 3.
The bottom surface 6 of described first groove 11 includes being positioned at the Part I 61 within described central cavity 20, at described Part I 61 along the axial two ends of described central cavity 20, it is connected to Part II 62 and Part III 63, it is outside that described Part II 62 and described Part III 63 are respectively positioned on described central cavity 20, and extends certain length to described axially vertical direction.This set can increase the distance between the conductor 3 of adjacent installation further, makes the electric clearance between adjacent two conductors 3 or creep age distance meet insulating requirements, it is ensured that safety.In the present embodiment, the bearing of trend arranging Part II 62 and Part III 63 is contrary, and insulated barriers effect is more preferable.
Two the 3rd grooves 13 it are further opened with on described insulation support body 1, two described 3rd grooves 13 are positioned at outside described central cavity 20, and second groove 12 described with two connects respectively, the opening of described 3rd groove 13 is towards described current transformer 2, and the direction away from described first groove 11 outwards bends.3rd groove 13 can increase the conductor 3 that is located in the second groove 12 further from the central cavity 20 electrical distance after protruding and between the conductor 3 being located in the first groove 11 or creep age distance, is further ensured that safety, it is to avoid phase fault occurs.
Owing to current transformer 2 generally has blind end 21 and open end 22, in order to avoid the conductor 3 relative with open end 22 and it is short-circuited between the wire within current transformer 2, open end 22 is provided with insulation system, this insulation system is to be wrapped in the insulating tape outside open end, in order to promote insulation effect further, also at the seam crossing embedding insulating resin of insulating tape.
Obviously, above-described embodiment is only for clearly demonstrating example, and not restriction to embodiment.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here without also cannot all of embodiment be given exhaustive.And the obvious change thus extended out or variation still in the protection domain of the invention among.
Claims (10)
1. a Current Transformer Assembly, it is characterised in that: including:
Current transformer (2), has central cavity (20)；
Conductor (3), is located in described central cavity (20), has input and the outfan laying respectively at described current transformer (2) axially two ends；
Insulation support body (1), it is arranged in described central cavity (20), it is provided with at least two side by side for the groove (10) passed for described conductor (3), between groove described in any two (10), mutual insulating separates, and the opening direction of adjacent two described grooves (10) is contrary.
Current Transformer Assembly the most according to claim 1, it is characterized in that: described groove (10) is three, centrally located the first groove (11), to the most protruding with its openings, forms the insulated barriers between two the second grooves (12) being positioned at two side positions.
Current Transformer Assembly the most according to claim 2, it is characterized in that: on described insulation support body (1), be additionally provided with two relative flat boards (4), the outer side edges of two described flat boards (4) is suitably against on the inwall of described central cavity (20), thus it is internal that described insulation support body (1) is arranged on described central cavity (20).
Current Transformer Assembly the most according to claim 3, it is characterized in that: described flat board (4) is respectively perpendicular with the lateral surface of two opposing sidewalls (5) of described first groove (11) and is connected, and form two described second grooves (12) together with two described sidewalls (5).
Current Transformer Assembly the most according to claim 2, it is characterized in that: the bottom surface (6) of described first groove (11) includes being positioned at the Part I (61) that described central cavity (20) is internal, at described Part I (61) along the axial two ends of described central cavity (20), it is connected to Part II (62) and Part III (63), it is outside that described Part II (62) and described Part III (63) are respectively positioned on described central cavity (20), and extends certain length to described axially vertical direction.
Current Transformer Assembly the most according to claim 5, it is characterised in that: the bearing of trend of described Part II (62) and described Part III (63) is contrary.
Current Transformer Assembly the most according to claim 4, it is characterized in that: on described insulation support body (1), be further opened with two the 3rd grooves (13), two described 3rd grooves (13) are positioned at described central cavity (20) outside, and second groove (12) described with two connects respectively, the opening of described 3rd groove (13) is towards described current transformer (2), and the direction away from described first groove (11) outwards bends.
Current Transformer Assembly the most according to claim 1, it is characterized in that: described current transformer (2) has blind end (21) and open end (22), described open end (22) is provided with insulation system, and conductor (3) insulation that the wire that is used for will be located in described current transformer (2) is relative with described open end (22) separates.
Current Transformer Assembly the most according to claim 8, it is characterised in that: described insulation system includes the insulating tape being wrapped in outside, described open end (22).
Current Transformer Assembly the most according to claim 9, it is characterised in that: described insulation system also includes the insulating resin being potted in described insulating tape seaming position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620328858.5U CN205487728U (en) | 2016-04-18 | 2016-04-18 | Current transformer subassembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620328858.5U CN205487728U (en) | 2016-04-18 | 2016-04-18 | Current transformer subassembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205487728U true CN205487728U (en) | 2016-08-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620328858.5U Active CN205487728U (en) | 2016-04-18 | 2016-04-18 | Current transformer subassembly |
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| CN (1) | CN205487728U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114791525A (en) * | 2022-06-22 | 2022-07-26 | 宁波中车时代传感技术有限公司 | Current sensor |
| RU217376U1 (en) * | 2022-09-27 | 2023-03-29 | Делекси Электрик Лтд | CURRENT TRANSFORMER ASSEMBLY |
-
2016
- 2016-04-18 CN CN201620328858.5U patent/CN205487728U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114791525A (en) * | 2022-06-22 | 2022-07-26 | 宁波中车时代传感技术有限公司 | Current sensor |
| CN114791525B (en) * | 2022-06-22 | 2022-09-27 | 宁波中车时代传感技术有限公司 | Current sensor |
| RU217376U1 (en) * | 2022-09-27 | 2023-03-29 | Делекси Электрик Лтд | CURRENT TRANSFORMER ASSEMBLY |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |