CN219999142U - Stator winding leading-out structure of generator - Google Patents
Stator winding leading-out structure of generator Download PDFInfo
- Publication number
- CN219999142U CN219999142U CN202321212135.5U CN202321212135U CN219999142U CN 219999142 U CN219999142 U CN 219999142U CN 202321212135 U CN202321212135 U CN 202321212135U CN 219999142 U CN219999142 U CN 219999142U
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- China
- Prior art keywords
- outgoing
- conductor
- fixedly connected
- stator winding
- stator
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- 238000004804 winding Methods 0.000 title claims abstract description 23
- 239000004020 conductor Substances 0.000 claims abstract description 38
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 30
- 229910052802 copper Inorganic materials 0.000 claims abstract description 30
- 239000010949 copper Substances 0.000 claims abstract description 30
- 239000012212 insulator Substances 0.000 claims abstract description 15
- 238000000605 extraction Methods 0.000 claims abstract description 8
- 239000007787 solid Substances 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000005672 electromagnetic field Effects 0.000 description 1
- 230000005674 electromagnetic induction Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
Landscapes
- Insulation, Fastening Of Motor, Generator Windings (AREA)
- Windings For Motors And Generators (AREA)
Abstract
The utility model relates to a stator winding leading-out structure of a generator. The utility model is suitable for the technical field of generators. The utility model aims to solve the technical problems that: a stator winding extraction structure for a generator is provided. The technical scheme adopted by the utility model is as follows: the generator stator winding leading-out structure comprises a stator leading-out wire, a copper braid, a lead-out conductor, a leading-out connector, a terminal plate, a base, a supporting insulator and a hoop; the end part of the stator outgoing line is fixedly connected with an outgoing connector, the outgoing connector is fixedly connected with a terminal plate, the terminal plate is fixedly connected with one end of a copper braid, and the other end of the copper braid is fixedly connected with an outgoing conductor; the base is fixed in the wall body open hole, the support insulator is fastened on the base, the upper end of the support insulator is connected with the anchor ear, and the anchor ear is fastened on the outgoing conductor.
Description
Technical Field
The utility model relates to the technical field of generators, in particular to a stator winding leading-out structure of a generator.
Background
After the stator windings of the vertical generator are assembled internally, the stator windings need to be converged and led out to an outgoing conductor, so that electric energy is transmitted to a power grid. Each phase of the stator winding of the large-sized generator is connected in parallel by a plurality of copper bars or copper rods, and the lead-out conductor is usually a hollow cylindrical conductor, so that the problem that how to reliably connect the two conductors together is the problem to be solved. It is now common practice to first integrate the stator windings into a polygonal joint and then connect the joint to the outgoing conductor via copper braids. This mode is applicable to the space and is fairly abundant, and the condition that the lead-out wire of outgoing line conductor and stator does not have the difference in height. Some units have limited space, and the stator windings cannot be converged into polygonal joints, so that a new extraction structure needs to be researched.
Disclosure of Invention
The utility model aims to overcome the defects in the background technology and provides a generator stator winding leading-out structure which is suitable for occasions where the height difference exists between a conductor and a stator leading-out wire.
The technical scheme adopted by the utility model is as follows: the generator stator winding leading-out structure comprises a stator leading-out wire, a copper braid, a lead-out conductor, a leading-out connector, a terminal plate, a base, a supporting insulator and a hoop; the end part of the stator outgoing line is fixedly connected with an outgoing connector, the outgoing connector is fixedly connected with a terminal plate, the terminal plate is fixedly connected with one end of a copper braid, and the other end of the copper braid is fixedly connected with an outgoing conductor; the base is fixed in the wall body open hole, the support insulator is fastened on the base, the upper end of the support insulator is connected with the anchor ear, and the anchor ear is fastened on the outgoing conductor.
Preferably, each phase of stator outgoing line is provided with a plurality of bars, and the bars of the same phase of stator outgoing line are converged on the same outgoing conductor through the outgoing connector, the terminal board and the copper braid.
Preferably, the outgoing conductor is a hollow cylindrical conductor.
Preferably, the base and the anchor ear are made of stainless steel.
Preferably, the bar of the stator outgoing line is a cylindrical solid copper bar.
Preferably, the end of the stator lead wire is welded to the lead joint.
Preferably, the lead-out connector is fixedly connected with the terminal plate, the terminal plate and the copper braid, and the copper braid and the outgoing conductor through bolts and nuts.
The utility model has the following beneficial effects:
1. the stator winding confluence joint is not needed, and the lead-out joints and the terminal plates are utilized, so that the connection between the bars of a plurality of stator lead-out wires and the lead-out conductors can be realized, and the device can be suitable for a narrower space;
2. the terminal board and the copper braid are utilized to carry out angle adjustment and length extension, so that the height difference between the outgoing conductor and the stator outgoing line can be adapted;
3. the current resistance is large, the manufacturing process is simple and convenient, and the disassembly is convenient.
Drawings
Fig. 1 is a schematic structural view of an embodiment of the present utility model.
FIG. 2 is a cross-sectional view of the structure of A-A in FIG. 1.
Reference numerals: stator outgoing line, bar 1.1, outgoing connector 2, terminal plate 3, copper braid 4, outgoing conductor 5, base 6, support insulator 7, staple bolt 8.
Detailed Description
The objects, technical solutions and advantages of the present utility model will be further described with reference to the accompanying drawings and examples, but the present utility model is not limited to the following examples, for the purpose of making the objects, technical solutions and advantages of the present utility model more clearly understood by those skilled in the art.
In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific direction, be configured and operated in the specific direction, and thus should not be construed as limiting the present utility model.
As shown in fig. 1 and 2, the present embodiment provides a stator winding lead-out structure of a generator, which includes a stator lead-out wire 1, a lead-out connector 2, a terminal board 3, a copper braid 4, a lead-out conductor 5, a base 6, a supporting insulator 7, and a hoop 8. The end part of the stator outgoing line 1 is welded with the outgoing connector 2, the outgoing connector 2 is fixedly connected with the terminal board 3 through bolts and nuts, and obviously, the terminal board 3 is a conductive metal board, such as a copper plate. One end of the copper braid 4 is fixedly connected with the terminal board 3 through bolts and nuts, and the other end of the copper braid is fixedly connected with the outgoing conductor 5 through bolts and nuts; the base 6 is fixed in a wall body opening, the supporting insulator 7 is fastened on the base 6, the upper end of the supporting insulator 7 is connected with the anchor ear 8, the anchor ear 8 is fastened on the outgoing conductor 5, and the outgoing conductor 5 is insulated between the bases 6 by the supporting insulator 7.
In this embodiment, the horizontal spacing between adjacent support insulators 7 is recommended to be 300mm.
As shown in fig. 1, each phase of stator outgoing line 1 is provided with a plurality of bars 1.1, and the bars 1.1 of the same phase of stator outgoing line 1 are led through an outgoing connector 2, a terminal board 3 and a copper braid 4 and are converged on the same outgoing conductor 5. The current is led out from the wire rod 1.1 of the stator outgoing wire 1, sequentially passes through the outgoing connector 2, the terminal board 3 and the copper braid 4 to reach the outgoing conductor 5, and is transmitted to the power grid from the outgoing conductor 5.
The outgoing conductor 5 is a hollow cylindrical aluminum conductor. The base 6 and the anchor ear 8 are made of stainless steel, so that electromagnetic induction can be avoided under a high electromagnetic field. The bar 1.1 of the stator outgoing line 1 is a cylindrical solid copper bar.
In the embodiment, the outgoing lines 1 of the stator of each phase are directly connected with the outgoing conductors 5 by using the outgoing connectors 2, the terminal boards 3 and the copper braids 4, so that a stator winding confluence connector is not needed, and a narrower space can be adapted; the terminal board 3 and the copper braid 4 select different angles and lengths according to the height difference between the outgoing conductor 5 and the stator outgoing line 1, so that the adaptability is good; the embodiment has the advantages of high current tolerance, simple manufacturing process, and more convenient disassembly and maintenance due to the fact that the parts are connected by bolts.
The foregoing description is only of the preferred embodiments of the present utility model, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (7)
1. The utility model provides a generator stator winding draws forth structure, includes stator lead-out wire (1), copper braid (4) and conductor (5) of being qualified for next round of competitions, its characterized in that: the novel electric power socket further comprises a lead-out connector (2), a terminal board (3), a base (6), a supporting insulator (7) and a hoop (8); the end part of the stator outgoing line (1) is fixedly connected with the outgoing connector (2), the outgoing connector (2) is fixedly connected with the terminal board (3), the terminal board (3) is fixedly connected with one end of the copper braid (4), and the other end of the copper braid (4) is fixedly connected with the outgoing conductor (5); the base (6) is fixed in a wall body opening, the supporting insulator (7) is fastened on the base (6), the upper end of the supporting insulator (7) is connected with the anchor ear (8), and the anchor ear (8) is fastened on the outgoing conductor (5).
2. The generator stator winding extraction structure of claim 1, wherein: each phase of stator outgoing line (1) is provided with a plurality of bars (1.1), and the bars (1.1) of the same phase of stator outgoing line (1) are converged on the same outgoing conductor (5) through the outgoing connector (2), the terminal board (3) and the copper braid (4).
3. The generator stator winding extraction structure of claim 1 or 2, wherein: the outgoing conductor (5) is a hollow cylindrical conductor.
4. A generator stator winding extraction structure as claimed in claim 3, wherein: the base (6) and the anchor ear (8) are made of stainless steel.
5. The generator stator winding extraction structure of claim 4, wherein: the wire rod (1.1) of the stator outgoing wire (1) is a cylindrical solid copper rod.
6. The generator stator winding extraction structure of claim 5, wherein: and the end part of the stator outgoing line (1) is welded with the outgoing joint (2).
7. The generator stator winding extraction structure of claim 6, wherein: the lead-out connector (2) is fixedly connected with the terminal board (3), the terminal board (3) is fixedly connected with the copper braid (4) and the lead-out conductor (5) through bolts and nuts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321212135.5U CN219999142U (en) | 2023-05-16 | 2023-05-16 | Stator winding leading-out structure of generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321212135.5U CN219999142U (en) | 2023-05-16 | 2023-05-16 | Stator winding leading-out structure of generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219999142U true CN219999142U (en) | 2023-11-10 |
Family
ID=88607839
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321212135.5U Active CN219999142U (en) | 2023-05-16 | 2023-05-16 | Stator winding leading-out structure of generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219999142U (en) |
-
2023
- 2023-05-16 CN CN202321212135.5U patent/CN219999142U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |