CN111193361A - Busbar with ladder arrangement structure - Google Patents
Busbar with ladder arrangement structure Download PDFInfo
- Publication number
- CN111193361A CN111193361A CN202010184501.5A CN202010184501A CN111193361A CN 111193361 A CN111193361 A CN 111193361A CN 202010184501 A CN202010184501 A CN 202010184501A CN 111193361 A CN111193361 A CN 111193361A
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- plate
- assembly
- bus
- bus bar
- spare
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- 230000000712 assembly Effects 0.000 claims abstract description 11
- 238000000429 assembly Methods 0.000 claims abstract description 11
- 238000009413 insulation Methods 0.000 claims description 6
- 230000003247 decreasing effect Effects 0.000 claims description 4
- 238000009434 installation Methods 0.000 abstract description 2
- 238000012423 maintenance Methods 0.000 abstract description 2
- 238000005452 bending Methods 0.000 description 32
- 230000005540 biological transmission Effects 0.000 description 2
- 238000010248 power generation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K13/00—Structural associations of current collectors with motors or generators, e.g. brush mounting plates or connections to windings; Disposition of current collectors in motors or generators; Arrangements for improving commutation
- H02K13/003—Structural associations of slip-rings
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Installation Of Indoor Wiring (AREA)
Abstract
The embodiment of the invention discloses a bus bar with a step arrangement structure, which is characterized by comprising the following components: the bus bar assembly comprises a first bus bar assembly and a second bus bar assembly; the first spare plate is fixed at the center of the plate surface on any side of the bottom plate; one ends of the first bus plate assembly and the second bus plate assembly are fixed on the first spare plate through insulating connecting assemblies, and the other ends of the first bus plate assembly and the second bus plate assembly are fixed on the corresponding second spare plate through the insulating connecting assemblies to form current output ends; and the part of the bus plate assembly extending out of the other side of the bottom plate is used as a current input end. The scheme of the invention has small occupied space, can realize the output of a plurality of cables, has large creepage distance and electric clearance among the bus plate assemblies, and has the advantages of safety, reliability, easy installation and maintenance and the like.
Description
Technical Field
The invention relates to the technical field of yawing collecting ring bus bars in the field of wind power generation, in particular to a bus bar with a stepped arrangement structure.
Background
With the continuous development of wind power generation systems in China, high-power units in the wind power industry gradually occupy the market. Due to the increase of power, the transmitted current is correspondingly increased, and the current transmission under specific conditions needs to be met by shunting, converging and the like in the current transmission process under the influence of factors such as space, cable specification, economy and the like.
However, because the radial space of the tower is limited and the number of output cables of the yawing collecting ring is large, the invention needs to provide a bus bar which has a compact structure and can meet the requirements of safe creepage distance and electric clearance between the bus bars.
Disclosure of Invention
In order to overcome the defects in the prior art, the bus bar with the stepped arrangement structure is particularly provided.
A bus bar having a stepped arrangement structure, comprising: the bus bar assembly comprises a first bus bar assembly and a second bus bar assembly; the first spare plate is fixed at the center of the plate surface on any side of the bottom plate; one ends of the first bus plate assembly and the second bus plate assembly are fixed on the first spare plate through insulating connecting assemblies, and the other ends of the first bus plate assembly and the second bus plate assembly are fixed on the corresponding second spare plate through the insulating connecting assemblies to form current output ends; and the part of the bus plate assembly extending out of the other side of the bottom plate is used as a current input end.
Optionally, in one embodiment, the first bus plate assembly/the second bus plate assembly has a plurality of bent plates, each bent plate forms a stepped structure on the plate surface on any side of the bottom plate, and the heights of the bent plates in the stepped structure from the plate surface are sequentially increased or decreased regularly.
Optionally, in one embodiment, a portion of the bending plate extending to the other side of the bottom plate includes a straight plate end and a bending end.
Optionally, in one embodiment, a first through hole and two second through holes with a center line of the first through hole as a central symmetry axis are formed in the bottom plate; the first through hole is located in the center of the bottom plate, the first spare plate is fixed in the first through hole, and the second spare plate is fixed in the second through hole.
Optionally, in one embodiment, the insulating connection assembly includes an insulating clip, and the insulating clip can fix the bus bar assembly on the first spare plate or the second spare plate.
Optionally, in one embodiment, the insulation connection assembly further includes an insulation support column, and the insulation support column is fixed on the bottom plate.
Optionally, in one embodiment, the current input terminal is connected to the current share bar of the external brush through a cable interface.
Optionally, in one embodiment, the current output end is connected to the output cable by providing a fixing plate having a plurality of output cable interfaces.
The embodiment of the invention has the following beneficial effects:
the scheme of the invention has small occupied space, can realize the output of a plurality of cables, has large creepage distance and electric clearance among the bus plate assemblies, and has the advantages of safety, reliability, easy installation and maintenance and the like.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Wherein:
FIG. 1 is a schematic structural view of a bus bar having a step arrangement structure according to an embodiment;
FIG. 2 is a schematic diagram of a current input terminal of the bus bar having the step arrangement structure according to an embodiment;
in the figure: 1. the bending device comprises a first bending plate, a second bending plate, a third bending plate, a fourth bending plate, a fifth bending plate, a sixth bending plate, a first spare plate, a second spare plate, a third spare plate, a fourth bending plate, a fifth bending plate, a sixth bending plate, a second spare plate, a third spare plate, a fourth spare plate, an insulating clamp, a bottom plate, a fourth spare plate, a fifth bending plate, a sixth bending plate, a fourth spare plate, a fifth spare plate, a sixth bending plate, a second spare plate, a third spare plate, a.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. It will be understood that, as used herein, the terms "first," "second," and the like may be used herein to describe various elements, but these elements are not limited by these terms. These terms are only used to distinguish one element from another. For example, a first element could be termed a second element, and, similarly, a second element could be termed a first element, without departing from the scope of the present application. The first and second elements are both elements, but they are not the same element.
In the present embodiment, a busbar with a ladder arrangement structure is proposed, for use on a yaw slip ring of a wind turbine, as shown in fig. 1-2, which includes: the device comprises a bottom plate 9, a first spare plate 7, a second spare plate, an insulation connecting assembly and a bus plate assembly, wherein the bus plate assembly comprises a first bus plate assembly and a second bus plate assembly; the first spare plate 7 is fixed at the center of the plate surface on any side of the bottom plate 9; one ends of the first bus plate assembly and the second bus plate assembly are fixed on the first spare plate 7 through insulating connecting assemblies, and the other ends of the first bus plate assembly and the second bus plate assembly are fixed on the corresponding second spare plates 12 through insulating connecting assemblies to form current output ends; the part of the bus bar assembly protruding to the other side of the bottom plate 9 serves as a current input terminal.
In some specific embodiments, the first bus plate assembly/the second bus plate assembly has a plurality of bending plates, each bending plate forms a stepped structure on the plate surface on any one side of the bottom plate, and the heights of the bending plates from the plate surface in the stepped structure are sequentially increased or decreased regularly. In some more specific embodiments, the first bus bar assembly includes 3 bending plates, that is, a first bending plate 1, a second bending plate 2, and a third bending plate 3, and each bending plate forms a stepped structure on the plate surface of any one side of the bottom plate, and each bending plate is away from the height of the plate surface in the stepped structure and is arranged in a sequentially decreasing rule. The second collecting plate assembly also comprises 3 bending plates, namely a fourth bending plate 4, a fifth bending plate 5 and a sixth bending plate 6, wherein the bending plates are also arranged on the surface of the bottom plate to form a stepped structure, and the bending plate distances in the stepped structure are sequentially degressive regular arrangement. The bus bar structure is used by staggering the board surface space of the bottom board, so that the actual occupied space of the bus bar is small, a plurality of cables can be conveniently output, and the creepage distance and the electric clearance between more than ten bus bar assemblies are large.
As can be seen from fig. 1, one end of the first bus plate assembly and one end of the second bus plate assembly are disposed on the first spare plate, and the other ends are disposed on the second spare plate respectively, so as to form a bus bar structure with one end located on the same center line and the other ends staggered left and right.
In some specific embodiments, the portion of the bending plate extending to the other side of the bottom plate comprises a straight plate end 13 and a bending end 14. As can be seen from fig. 2, the straight end of each bent plate of the first bus plate assembly and the bent end of each bent plate of the second bus plate assembly are located on the same straight line, and the bent end of each bent plate of the first bus plate assembly and the straight end of each bent plate of the second bus plate assembly are located on the same straight line; two effective current inputs can thus be formed.
In some specific embodiments, the bottom plate 9 is provided with a first through hole and two second through holes with the center line of the first through hole as a central symmetry axis; the first through hole is located at the center of the bottom plate, the first spare plate 7 is fixed in the first through hole, and the second spare plate 12 is fixed in the second through hole. In a more specific embodiment, the bottom plate 9 has a square structure, a first through hole, which is a rectangular through hole, is disposed at a middle position of the square structure, two second through holes are disposed on two sides of the first through hole, which are symmetric about a center line of the first through hole, the second through holes are rectangular through holes, and the length and width of the first through hole are both greater than those of the second through holes, so that a plurality of busbars can pass through the second through holes.
In some specific embodiments, the insulating connection assembly includes an insulating clip 8, the insulating clip 8 can fix the bus bar assembly on the first spare plate 7 or the second spare plate 12, and the insulating connection assembly further includes an insulating support column 10, and the insulating support column 10 is fixed on the bottom plate 9. Further, the insulating clamp 8 and the insulating support column 10 are fixed to the bottom plate and each spare plate by bolts, and the first spare plate 7 or the second spare plate 12 is fixed to the bottom plate fastened to the side face of the box body by bolts.
In some specific embodiments, the current input end a is connected with a current equalizing bar of an external brush through a cable interface. The current output end B is connected with an output cable through a fixing plate with a plurality of output cable interfaces. In a more specific embodiment, the fixing plate 11 is a rectangular structure, and 4 threaded holes are formed in the middle of the plate surface, and the positions of the threaded holes are consistent with those of the bus bars, so that the cable terminals can be connected by one-side operation conveniently.
In summary, the step structure is provided for each bus board assembly, so that the creepage distance and the electrical clearance of the bus bar are increased, and the safety and the reliability of the bus bar are further improved.
The above-mentioned embodiments only express several embodiments of the present application, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present application. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the concept of the present application, which falls within the scope of protection of the present application. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (8)
1. A bus bar having a stepped arrangement structure, comprising: the bus bar assembly comprises a first bus bar assembly and a second bus bar assembly; the first spare plate is fixed at the center of the plate surface on any side of the bottom plate; one ends of the first bus plate assembly and the second bus plate assembly are fixed on the first spare plate through insulating connecting assemblies, and the other ends of the first bus plate assembly and the second bus plate assembly are fixed on the corresponding second spare plate through the insulating connecting assemblies to form current output ends; and the part of the bus plate assembly extending out of the other side of the bottom plate is used as a current input end.
2. The bus bar with the ladder arrangement structure as claimed in claim 1, wherein the first/second bus bar assembly has a plurality of bent plates, each bent plate forms a ladder structure on the plate surface on either side of the bottom plate, and the heights of the bent plates from the plate surface in the ladder structure are sequentially increased or decreased in a regular manner.
3. The bus bar having a stepped arrangement structure according to claim 2, wherein a portion of the stepped bent plate protruding to the other side of the bottom plate includes a straight plate end and a bent end.
4. The busbar with the stepped arrangement structure as claimed in claim 1, wherein the bottom plate is provided with a first through hole and two second through holes with a center line of the first through hole as a central symmetry axis; the first through hole is located in the center of the bottom plate, the first spare plate is fixed in the first through hole, and the second spare plate is fixed in the second through hole.
5. The busbar with the stepped arrangement of claim 1, wherein the insulating connection assembly includes an insulating clip capable of fixing the busbar assembly to the first or second backup plate.
6. The busbar with the stepped arrangement of claim 5, wherein the insulation connection assembly further comprises an insulation support post fixed on the base plate.
7. The busbar with the stepped arrangement according to claim 1, wherein the current input is connected to a current rail of an external brush by providing a cable connection.
8. The bus bar having a step arrangement structure according to claim 1, wherein the current output terminal is connected to an output cable through a fixing plate, and the fixing plate is connected to the output cable to provide a plurality of output cable ports.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010184501.5A CN111193361A (en) | 2020-03-16 | 2020-03-16 | Busbar with ladder arrangement structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010184501.5A CN111193361A (en) | 2020-03-16 | 2020-03-16 | Busbar with ladder arrangement structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111193361A true CN111193361A (en) | 2020-05-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010184501.5A Pending CN111193361A (en) | 2020-03-16 | 2020-03-16 | Busbar with ladder arrangement structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111193361A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112448526A (en) * | 2020-11-16 | 2021-03-05 | 上海电气风电集团股份有限公司 | Flat motor stator junction box |
-
2020
- 2020-03-16 CN CN202010184501.5A patent/CN111193361A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112448526A (en) * | 2020-11-16 | 2021-03-05 | 上海电气风电集团股份有限公司 | Flat motor stator junction box |
| CN112448526B (en) * | 2020-11-16 | 2022-02-18 | 上海电气风电集团股份有限公司 | Flat motor stator junction box |
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| PB01 | Publication | ||
| PB01 | Publication | ||
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| TA01 | Transfer of patent application right |
Effective date of registration: 20210806 Address after: 116000 No. 1, floor 4, No. 2-3, Xuezi street, Qixianling, high tech Industrial Park, Dalian, Liaoning Applicant after: DALIAN EASY SOUND ELECTROMECHANIC Co.,Ltd. Applicant after: Beijing Goldwind Science & Creation Windpower Equipment Co.,Ltd. Address before: No.4 Longtian Road, Dalian hi tech Industrial Park, Liaoning 116000 Applicant before: DALIAN EASY SOUND ELECTROMECHANIC Co.,Ltd. |
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| TA01 | Transfer of patent application right |
Effective date of registration: 20240202 Address after: No.1, 4th Floor, 2-3 Xuezi Street, Qixianling, High tech Industrial Park, Dalian City, Liaoning Province Applicant after: DALIAN EASY SOUND ELECTROMECHANIC CO.,LTD. Country or region after: China Address before: 116000 No. 1, floor 4, No. 2-3, Xuezi street, Qixianling, high tech Industrial Park, Dalian, Liaoning Applicant before: DALIAN EASY SOUND ELECTROMECHANIC CO.,LTD. Country or region before: China Applicant before: Beijing Goldwind Science & Creation Windpower Equipment Co.,Ltd. |
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| TA01 | Transfer of patent application right |