CN211980334U - Current transformer for built-in bypass soft starter - Google Patents
Current transformer for built-in bypass soft starter Download PDFInfo
- Publication number
- CN211980334U CN211980334U CN202020362260.4U CN202020362260U CN211980334U CN 211980334 U CN211980334 U CN 211980334U CN 202020362260 U CN202020362260 U CN 202020362260U CN 211980334 U CN211980334 U CN 211980334U
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- Prior art keywords
- built
- hole
- soft starter
- current transformer
- insulating housing
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- 239000007858 starting material Substances 0.000 title claims abstract description 37
- 230000003014 reinforcing effect Effects 0.000 claims description 11
- 239000004593 Epoxy Substances 0.000 claims description 2
- 239000004020 conductor Substances 0.000 claims 2
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 claims 1
- 238000009434 installation Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000004568 cement Substances 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 238000002372 labelling Methods 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model discloses a current transformer for built-in bypass soft starter, it includes insulating housing, insulating housing's middle part is equipped with the spacing hole of rectangle that supplies to lead the electrical drainage to pass, the width and the height in the spacing hole of rectangle and lead the electrical drainage phase-match, insulating housing's rear end is equipped with assembly portion, be equipped with the pilot hole in the assembly portion, the accessible pilot hole is with insulating housing, lead electrical drainage and built-in bypass soft starter body together fixed, insulating housing's front end is equipped with the ring channel that is used for installing the wire, the ring channel is around the spacing hole setting of rectangle. The utility model discloses a set up the spacing hole of the rectangle that supplies to lead the electrical drainage to pass at insulating housing's middle part, the width and the height and the electrically conductive phase-match of arranging in the spacing hole of rectangle are equipped with assembly portion in insulating housing's rear end, are equipped with the pilot hole in assembly portion, and the accessible pilot hole is together fixed with insulating housing, electrically conductive row and built-in bypass soft starter body. Has the advantages of reasonable structure, convenient installation and good stability.
Description
Technical Field
The utility model relates to a soft starter technical field, in particular to a current transformer for built-in bypass soft starter.
Background
The soft starter is a motor controller integrating the functions of soft starting, soft stopping, light load energy saving and multiple protection functions of a motor, mainly comprises a three-phase anti-parallel thyristor connected between a power supply and a controlled motor in series and an electronic control circuit thereof, and is widely applied to the fields of machinery manufacturing, cement production, metallurgy, mines, chemical industry, water treatment and the like. The current transformer is an important part of a built-in bypass soft starter, and the existing current transformer has the problems of unreasonable structural design, poor connection stability with a conducting bar, inconvenience in assembly and the like.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a current transformer for built-in bypass soft starter that rational in infrastructure, simple to operate, stability is good to prior art not enough, the utility model aims to provide a current transformer for built-in bypass soft starter. The technical scheme is as follows:
a current transformer for a built-in bypass soft starter, comprising:
the insulating housing, insulating housing's middle part is equipped with the spacing hole of the rectangle that supplies to lead the electrical drainage to pass, the width and the height and the electrically conductive phase-match of arranging in the spacing hole of rectangle, insulating housing's rear end is equipped with assembly portion, be equipped with the pilot hole in the assembly portion, the accessible the pilot hole will insulating housing, electrically conductive row and built-in bypass soft starter body are together fixed, insulating housing's front end is equipped with the ring channel that is used for installing the wire, the ring channel centers on the spacing hole setting of rectangle.
As a further improvement of the utility model, the assembly part includes the assembly plate, the pilot hole is located on the assembly plate.
As a further improvement of the present invention, the assembly plate is horizontally disposed, and the bottom of the assembly plate is parallel to the top of the rectangular spacing hole.
As a further improvement of the present invention, the assembly plate is further connected with a reinforcing rib between the insulating housings.
As a further improvement, the utility model is provided with a preformed hole on the conductive bar, and the conductive bar passes during the spacing hole of rectangle, the preformed hole can with the coincidence of pilot hole.
As a further improvement of the utility model, the preformed hole is arranged at the middle position of the conductive row along the width direction.
As a further improvement of the utility model, the width of the rectangular spacing hole is 0.05-1mm larger than the width of the conductive bar.
As a further improvement of the utility model, the height of the rectangular spacing hole is 0.05-1mm greater than the thickness of the conductive bar.
As a further improvement, the front end of the insulating housing is provided with an inner ring and an outer ring, the annular groove is formed between the inner ring and the outer ring, two reinforcing plates are arranged in the inner ring, and the two reinforcing plates are matched with the inner ring to form the rectangular limiting hole.
As a further improvement of the utility model, the ring channel is sealed by epoxy resin after the wire is assembled into the ring channel.
The utility model has the advantages that:
the utility model discloses a current transformer for built-in bypass soft starter sets up the spacing hole of rectangle that supplies to lead the electrical drainage to pass through at insulating housing's middle part, and the width and the height in the spacing hole of rectangle and lead the electrical drainage phase-match are equipped with assembly portion in insulating housing's rear end, are equipped with the pilot hole in assembly portion, and the accessible pilot hole is together insulating housing, lead electrical drainage and built-in bypass soft starter body are fixed. Has the advantages of reasonable structure, convenient installation and good stability.
The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical means of the present invention more clearly understood, the present invention may be implemented according to the content of the description, and in order to make the above and other objects, features, and advantages of the present invention more obvious and understandable, the following preferred embodiments are described in detail with reference to the accompanying drawings.
Drawings
Fig. 1 is a schematic diagram of a back end structure of a current transformer for a built-in bypass soft starter according to an embodiment of the present invention;
fig. 2 is a schematic diagram of a rear end structure of a current transformer for a built-in bypass soft starter according to an embodiment of the present invention;
fig. 3 is a schematic front-end structural diagram of a current transformer for a built-in bypass soft starter according to an embodiment of the present invention;
fig. 4 is a schematic view of an assembly structure of a current transformer for a built-in bypass soft starter according to an embodiment of the present invention.
Description of the labeling: 1. a conductive bar; 2. a bolt; 10. an insulating housing; 11. a rectangular limiting hole; 12. an annular groove; 13. an inner ring; 14. an outer ring; 15. a reinforcing plate; 20. assembling a plate; 21. an assembly hole; 22. and (5) reinforcing ribs.
Detailed Description
The present invention is further described with reference to the following drawings and specific embodiments so that those skilled in the art can better understand the present invention and can implement the present invention, but the embodiments are not to be construed as limiting the present invention.
As shown in fig. 1-4, for the current transformer for the built-in bypass soft starter in the embodiment of the present invention, the current transformer for the built-in bypass soft starter includes an insulating housing 10, a rectangular limiting hole 11 for the conductive bar 1 to pass through is provided in the middle of the insulating housing 10, and the width and height of the rectangular limiting hole 11 are matched with the conductive bar 1.
As shown in fig. 1-2, the rear end of the insulating housing 10 is provided with an assembling portion, the assembling portion is provided with an assembling hole 21, and the insulating housing 10, the conducting bar 1 and the built-in bypass soft starter body can be fixed together through the assembling hole 21.
As shown in fig. 3, the front end of the insulating housing 10 is provided with an annular groove 12 for mounting a lead, and the annular groove 12 is disposed around the rectangular limiting hole 11. The annular groove 12 is sealed by epoxy after the lead wires are fitted into the annular groove 12.
In the present embodiment, the fitting portion includes the fitting plate 20, and the fitting hole 21 is provided on the fitting plate 20. Preferably, the mounting plate 20 is horizontally disposed, and the bottom of the mounting plate 20 is parallel to the top of the rectangular limiting hole 11. After the conductive bar 1 penetrates through the rectangular limiting hole 11, the upper surface of the conductive bar 1 is attached to the assembling plate 20 as much as possible, and the connection stability can be improved when the conductive bar 1 and the assembling plate 20 are fixed through the bolt 2.
In one embodiment, a reinforcing rib 22 is further connected between the mounting plate 20 and the insulating housing 10. The structural stability can be enhanced.
In this embodiment, the conducting bar 1 is provided with a preformed hole, and when the conducting bar 1 passes through the rectangular limiting hole 11, the preformed hole may coincide with the assembling hole 21. Preferably, the prepared hole is formed in the middle of the conductive bar 1 along the width direction, so as to further ensure the stability of the bolt 2 when fixing the conductive bar 1 and the assembling plate 20.
The built-in bypass soft starter body at the bottom of the preformed hole is also provided with a positioning hole, and the bolt 2 sequentially penetrates through the assembly hole 21 and the preformed hole and then enters the positioning hole to fix the insulating shell 10, the conducting bar 1 and the built-in bypass soft starter body together.
In order to ensure stability in the horizontal direction and the vertical direction, it is necessary that the gap between the rectangular stopper hole 11 and the conductive bar 1 is as small as possible. Preferably, the width of the rectangular limiting hole 11 is 0.05-1mm larger than the width of the conductive bar 1, and the height of the rectangular limiting hole 11 is 0.05-1mm larger than the thickness of the conductive bar 1.
In this embodiment, the front end of the insulating housing 10 is provided with an inner ring 13 and an outer ring 14, an annular groove 12 is formed between the inner ring 13 and the outer ring 14, two reinforcing plates 15 are arranged in the inner ring 13, and a rectangular limiting hole 11 is formed between the two reinforcing plates 15 and the inner ring 13.
The utility model discloses a current transformer for built-in bypass soft starter sets up the spacing hole of rectangle that supplies to lead the electrical drainage to pass through at insulating housing's middle part, and the width and the height in the spacing hole of rectangle and lead the electrical drainage phase-match are equipped with assembly portion in insulating housing's rear end, are equipped with the pilot hole in assembly portion, and the accessible pilot hole is together insulating housing, lead electrical drainage and built-in bypass soft starter body are fixed. Has the advantages of reasonable structure, convenient installation and good stability.
The above embodiments are merely preferred embodiments for fully illustrating the present invention, and the scope of the present invention is not limited thereto. Equivalent substitutes or changes made by the technical personnel in the technical field on the basis of the utility model are all within the protection scope of the utility model. The protection scope of the present invention is subject to the claims.
Claims (10)
1. A current transformer for a built-in bypass soft starter, comprising:
the insulating housing, insulating housing's middle part is equipped with the spacing hole of the rectangle that supplies to lead the electrical drainage to pass, the width and the height and the electrically conductive phase-match of arranging in the spacing hole of rectangle, insulating housing's rear end is equipped with assembly portion, be equipped with the pilot hole in the assembly portion, the accessible the pilot hole will insulating housing, electrically conductive row and built-in bypass soft starter body are together fixed, insulating housing's front end is equipped with the ring channel that is used for installing the wire, the ring channel centers on the spacing hole setting of rectangle.
2. The current transformer for a built-in bypass soft starter according to claim 1, wherein the fitting portion includes a fitting plate, and the fitting hole is provided on the fitting plate.
3. The current transformer for a built-in bypass soft starter according to claim 2, wherein the mounting plate is horizontally disposed, and a bottom of the mounting plate is parallel to a top of the rectangular limiting hole.
4. The current transformer for a built-in bypass soft starter according to claim 2, wherein a reinforcing rib is further connected between the assembly plate and the insulating case.
5. The current transformer for use in a built-in bypass soft starter according to claim 1, wherein a pre-formed hole is formed in the conductor bar, and the pre-formed hole is coincident with the fitting hole when the conductor bar passes through the rectangular limiting hole.
6. The current transformer for a built-in bypass soft starter according to claim 5, wherein the reserved hole is provided at a middle position of the conductive bar in a width direction.
7. The current transformer for a built-in bypass soft starter according to claim 1, wherein a width of the rectangular stopper hole is 0.05-1mm larger than a width of the conductive bar.
8. The current transformer for a built-in bypass soft starter according to claim 1, wherein a height of the rectangular stopper hole is 0.05-1mm greater than a thickness of the conductive bar.
9. The current transformer for a built-in bypass soft starter according to claim 1, wherein the front end of the insulating housing is provided with an inner ring and an outer ring, the inner ring and the outer ring form the annular groove therebetween, the inner ring is provided with two reinforcing plates, and the two reinforcing plates and the inner ring form the rectangular limiting hole therebetween.
10. The current transformer for a built-in bypass soft starter according to claim 1, wherein the annular groove is sealed by epoxy after a lead wire is fitted into the annular groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020362260.4U CN211980334U (en) | 2020-03-20 | 2020-03-20 | Current transformer for built-in bypass soft starter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020362260.4U CN211980334U (en) | 2020-03-20 | 2020-03-20 | Current transformer for built-in bypass soft starter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211980334U true CN211980334U (en) | 2020-11-20 |
Family
ID=73379929
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020362260.4U Active CN211980334U (en) | 2020-03-20 | 2020-03-20 | Current transformer for built-in bypass soft starter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211980334U (en) |
-
2020
- 2020-03-20 CN CN202020362260.4U patent/CN211980334U/en active Active
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