CN103633601A - Overhead incoming line structure - Google Patents
Overhead incoming line structure Download PDFInfo
- Publication number
- CN103633601A CN103633601A CN201210308629.3A CN201210308629A CN103633601A CN 103633601 A CN103633601 A CN 103633601A CN 201210308629 A CN201210308629 A CN 201210308629A CN 103633601 A CN103633601 A CN 103633601A
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- phase conductor
- distance
- column
- phase
- line structure
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- 239000004020 conductor Substances 0.000 claims description 205
- 241000272165 Charadriidae Species 0.000 claims description 28
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 238000000819 phase cycle Methods 0.000 description 1
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Abstract
Provided in the invention is an overhead incoming line structure comprising a door-shaped rack (10), an A phase lead (21), a B phase lead (22), and a C phase lead (23). The door-shaped rack (10) includes two standing columns (11) opposite to each other and a cross beam (12) connecting the two standing columns (11). The B phase lead (22) and the C phase lead (23) are arranged at the cross beam (12); the A phase lead (21) is arranged at one of the standing columns (11); and the B phase lead (22) is arranged between the standing column (11) where the A phase lead (21) is arranged and the C phase lead (23). The distance between the phase lead (21) and the B phase lead (22) and the distance between the B phase lead (22) and the C phase lead (23) are larger than or equal to the safe distance. According to the invention, the span of the door-shaped rack can be effectively reduced; and the structure is simple and the cost is saved.
Description
Technical field
The present invention relates to power technology field, in particular to a kind of built on stilts incoming line structure.
Background technology
In the three-phase conducting wire arrangement mode of the built on stilts inlet wire of 220kV, between adjacent wire and the distance of each wire between be relatively by span inner insulator string and wire, under wind-force and short-circuit electromotive force effect, to produce the minimum electrical distance that can meet insulation coordination requirement while waving to design, like this, require inlet wire interval spaced apart (distance between adjacent wire) minimum need to meet the distance of 4m.
Fig. 1 shows the built on stilts incoming line structure of a kind of routine in prior art, as shown in Figure 1, in this structure, A phase conductor 21 ', B phase conductor 22 ' and C phase conductor 23 ' be along continuous straight runs arrangement successively on the crossbeam 12 ' of door type frame 10 ', distance B 1 '=4m between A phase conductor 21 ' and B phase conductor 22 ', distance B 2 '=4m between B phase conductor 22 ' and C phase conductor 23 ', safe distance to live part when guaranteeing people on door type frame 10 ' column, distance B 3 '=2.5m between A phase conductor 21 ' and two its near columns 11 ' of column 11 ' middle distance, distance B 3 '=2.5m between C phase conductor 23 ' and two its near columns 11 ' of column 11 ' middle distance, like this, the span of door type frame i.e. distance between two columns 11 ' is 13m.
Fig. 2 shows another kind of built on stilts incoming line structure in prior art, as shown in Figure 2, in this structure, adopt triangle chpn to arrange phase sequence arrangement mode, by utilizing the arrangement of differing heights, thereby realized the compression of distance in horizontal direction, particularly, A phase conductor 21 ' and C phase conductor 23 ' are arranged on the sill 12 ' of door type frame 10 ', B phase conductor 22 ' is arranged on entablature, distance B 1 ' ≈ 4.2m between A phase conductor 21 ' and B phase conductor 22 ', distance B 2 ' ≈ 4.2m between B phase conductor 22 ' and C phase conductor 23 ', distance B 51 '+D52 '=6m between A phase conductor 21 ' and C phase conductor 23 ', distance B 3 '=2.5m between A phase conductor 21 ' and two its near columns 11 ' of column 11 ' middle distance, distance B 3 '=2.5m between C phase conductor 23 ' and two its near columns 11 ' of column 11 ' middle distance, like this, the span of door type frame i.e. distance between two columns 11 ' is 11m.The distance of this structure compression is still limited, and has increased one crossbeam (entablature), has increased cost.
Summary of the invention
The present invention aims to provide a kind of built on stilts incoming line structure that can effectively reduce door type frame span.
To achieve these goals, according to an aspect of the present invention, provide a kind of built on stilts incoming line structure, having comprised: door type frame, has comprised two columns that are oppositely arranged and be connected to two crossbeams between column; A phase conductor, B phase conductor and C phase conductor, B phase conductor and C phase conductor are arranged on crossbeam, A phase conductor is arranged on a column in two columns, B phase conductor is between the column and C phase conductor at A phase conductor place, wherein, the distance between the distance between A phase conductor and B phase conductor and B phase conductor and C phase conductor is all more than or equal to safe distance.
Further, the distance between B phase conductor and C phase conductor is more than or equal to 4m.
Further, the distance between the near column of B phase conductor and two column middle distance B phase conductors is greater than the distance between C phase conductor and the near column of two column middle distance C phase conductors.
Further, the distance between the near column of B phase conductor and two column middle distance B phase conductors is more than or equal to 3m, and the distance between the near column of C phase conductor and two column middle distance C phase conductors is more than or equal to 2.6m.
Further, the distance between the near column of B phase conductor and two column middle distance B phase conductors is less than the distance between A phase conductor and crossbeam.
Further, the distance between the near column of B phase conductor and two column middle distance B phase conductors is more than or equal to 3m, and the distance between A phase conductor and crossbeam is more than or equal to 4m.
According to another aspect of the present invention, a kind of built on stilts incoming line structure is also provided, comprise: door type frame, comprise along the parallel a plurality of columns that arrange of first direction and be connected to the crossbeam between adjacent two columns, two adjacent columns and be arranged on two crossbeams between column and form door type frame unit; A phase conductor, B phase conductor and C phase conductor, B phase conductor and C phase conductor are arranged on the crossbeam of each door type frame unit, A phase conductor is arranged on a column in two columns of each door type frame unit, B phase conductor is between the column and C phase conductor at A phase conductor place, wherein, the distance between the distance between A phase conductor and B phase conductor and B phase conductor and C phase conductor is all more than or equal to safe distance.
Further, the distance between B phase conductor and C phase conductor is more than or equal to 4m.
Further, the distance between the near column of B phase conductor and two column middle distance B phase conductors is greater than the distance between C phase conductor and the near column of two column middle distance C phase conductors.
Further, the distance between the near column of B phase conductor and two column middle distance B phase conductors is less than the distance between A phase conductor and crossbeam.
Apply technical scheme of the present invention, due to layout straggly between A phase conductor and B phase conductor and C phase conductor, distance between A phase conductor and B phase conductor meeting safe distance the lower distance that can effectively dwindle along continuous straight runs between A phase conductor and B phase conductor of requirement (being more than or equal to safe distance), like this, door type frame span is also reduced effectively, and it is cost-saving that the reducing of span is conducive to.
Accompanying drawing explanation
The Figure of description that forms the application's a part is used to provide a further understanding of the present invention, and schematic description and description of the present invention is used for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 shows the schematic diagram of a kind of built on stilts incoming line structure of the prior art;
Fig. 2 shows the schematic diagram of the built on stilts incoming line structure of another kind of the prior art;
Fig. 3 shows according to the structural representation of the embodiment mono-of built on stilts incoming line structure of the present invention;
Fig. 4 shows according to the structural representation of the embodiment bis-of built on stilts incoming line structure of the present invention; And
Fig. 5 shows according to the structural representation of the embodiment tri-of built on stilts incoming line structure of the present invention.
Embodiment
It should be noted that, in the situation that not conflicting, embodiment and the feature in embodiment in the application can combine mutually.Describe below with reference to the accompanying drawings and in conjunction with the embodiments the present invention in detail.
As shown in Figure 3, the built on stilts incoming line structure of embodiment mono-comprises: door type frame 10, A phase conductor 21, B phase conductor 22 and C phase conductor 23.Door type frame 10 comprises two columns 11 that are oppositely arranged and is connected to two crossbeams 12 between column 11; B phase conductor 22 and C phase conductor 23 are arranged on crossbeam 12, A phase conductor 21 is arranged on a column in two columns, be arranged in the present embodiment on the left side column 11 shown in Fig. 1, between the column 11 at described A phase conductor 21 places and C phase conductor 23 wherein, the distance between the distance between A phase conductor 21 and B phase conductor 22 and B phase conductor 22 and C phase conductor 23 is all more than or equal to safe distance to B phase conductor 22.
In the present embodiment, due to layout straggly between A phase conductor 21 and B phase conductor 22, the distance between A phase conductor 21 and B phase conductor 22 meeting safe distance the distance that (being more than or equal to safe distance) can dwindle along continuous straight runs between A phase conductor 21 and B phase conductor 22 effectively under requirement, like this, door type frame span is also reduced effectively, and it is cost-saving that the reducing of span is conducive to.
Preferably, in order to meet safe distance requirement, the distance B 2 between B phase conductor 22 and C phase conductor 23 is more than or equal to 4m.Further preferably, in embodiment mono-, the distance B 3 between the near column of B phase conductor 22 and two column middle distance B phase conductors 22 is greater than the distance B 4 between C phase conductor 23 and the near column of two column middle distance C phase conductors 23.So effectively guaranteed the distance between A phase conductor 21 and B phase conductor 22.
Preferably, the distance B 3 between the near column of B phase conductor 22 and two column middle distance B phase conductors 22 is less than the distance B 1 between A phase conductor 21 and crossbeam.Like this, can further reduce door type frame span.
In embodiment mono-, distance B 3 between the near column of B phase conductor 22 and two column middle distance B phase conductors 22 is preferably greater than and equals 3m, and the distance B 4 between the near column of C phase conductor 23 and two column middle distance C phase conductors 23 is preferably greater than and equals 2.6m.Preferred distance between the near column of B phase conductor 22 and two column middle distance B phase conductors 22 is more than or equal to 3m, and the distance between A phase conductor 21 and crossbeam is more than or equal to 4m.In the present embodiment, D3=3m, D4=2.6m, D2=4m, D1=4m, the span of door type frame 10 i.e. distance between two columns 11 is 9.6m.Above-mentioned size can guarantee that built on stilts incoming line structure coordinates preferably with the power electrical devices that is positioned at ground.
In unshowned in the drawings embodiment, be arranged on a column in two columns in C phase conductor, A phase conductor is arranged on crossbeam.The principle of this embodiment is similar to the aforementioned embodiment, does not repeat them here.
As shown in Figure 4, the built on stilts incoming line structure of embodiment bis-comprises: door type frame 10, A phase conductor 21, B phase conductor 22 and C phase conductor 23, door type frame 10 comprises along parallel three columns 13 that arrange of first direction and is connected to the crossbeam 12 between adjacent two columns 13, two adjacent columns 13 and be arranged on two crossbeams 12 between column 13 and form door type frame unit; B phase conductor 22 and C phase conductor 23 are arranged on the crossbeam 12 of each door type frame unit, A phase conductor 21 is arranged on a column 13 in two columns 13 of each door type frame unit, B phase conductor 22 is between the column 13 and C phase conductor 23 at A phase conductor 21 places, wherein, the distance between the distance between A phase conductor 21 and B phase conductor 22 and B phase conductor 22 and C phase conductor 23 is all more than or equal to safe distance.
In embodiment bis-, due to layout straggly between A phase conductor 21 and B phase conductor 22, the distance between A phase conductor 21 and B phase conductor 22 meeting safe distance the distance that (being more than or equal to safe distance) can dwindle along continuous straight runs between A phase conductor 21 and B phase conductor 22 effectively under requirement, like this, door type frame span is also reduced effectively, and it is cost-saving that the reducing of span is conducive to.
Preferably, in order to meet safe distance requirement, the distance B 2 between B phase conductor 22 and C phase conductor 23 is more than or equal to 4m.Further preferably, in embodiment bis-, the distance B 3 between the near column of B phase conductor 22 and two column middle distance B phase conductors 22 is greater than the distance B 4 between C phase conductor 23 and the near column of two column middle distance C phase conductors 23.So effectively guaranteed the distance between A phase conductor 21 and B phase conductor 22.
Preferably, the distance B 3 between the near column of B phase conductor 22 and two column middle distance B phase conductors 22 is less than the distance B 1 between A phase conductor 21 and crossbeam.Like this, can further reduce door type frame span.
In embodiment bis-, distance B 3 between the near column of B phase conductor 22 and two column middle distance B phase conductors 22 is preferably greater than and equals 3m, and the distance B 4 between the near column of C phase conductor 23 and two column middle distance C phase conductors 23 is preferably greater than and equals 2.6m.Preferred distance between the near column of B phase conductor 22 and two column middle distance B phase conductors 22 is more than or equal to 3m, and the distance between A phase conductor 21 and crossbeam is more than or equal to 4m.In the present embodiment, D3=3m, D4=2.6m, D2=4m, D1=4m, the span of door type frame 10 i.e. distance between two columns 11 is 9.6m.Above-mentioned size can guarantee that built on stilts incoming line structure coordinates preferably with the power electrical devices that is positioned at ground.
As shown in Figure 5, the built on stilts incoming line structure of embodiment tri-and the difference of embodiment bis-are that door type frame 10 comprises that the quantity of crossbeam 12 is three along parallel four columns 13 that arrange of first direction.The operation principle of embodiment tri-is similar to the aforementioned embodiment, does not repeat them here.The quantity that one skilled in the art will appreciate that column 13 and crossbeam 12 is not limited to above-described embodiment.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (10)
1. a built on stilts incoming line structure, is characterized in that, comprising:
Door type frame (10), comprises two columns (11) that are oppositely arranged and is connected to the crossbeam (12) between two described columns (11);
A phase conductor (21), B phase conductor (22) and C phase conductor (23), described B phase conductor (22) and C phase conductor (23) are arranged on described crossbeam (12), described A phase conductor (21) is arranged on the column (11) in described two described columns, described B phase conductor (22) is positioned between the column (11) and C phase conductor (23) at described A phase conductor (21) place
Wherein, the distance between the distance between described A phase conductor (21) and B phase conductor (22) and B phase conductor (22) and C phase conductor (23) is all more than or equal to safe distance.
2. built on stilts incoming line structure according to claim 1, is characterized in that, the distance between described B phase conductor (22) and C phase conductor (23) is more than or equal to 4m.
3. built on stilts incoming line structure according to claim 1, it is characterized in that, the distance described in described B phase conductor (22) and described two described column middle distances between the near column of B phase conductor (22) is greater than the distance between a near column of C phase conductor (23) described in described C phase conductor (23) and described two described column middle distances.
4. built on stilts incoming line structure according to claim 3, it is characterized in that, distance described in described B phase conductor (22) and described two described column middle distances between the near column of B phase conductor (22) is more than or equal to 3m, and the distance described in described C phase conductor (23) and described two described column middle distances between the near column of C phase conductor (23) is more than or equal to 2.6m.
5. built on stilts incoming line structure according to claim 1, it is characterized in that, the distance described in described B phase conductor (22) and described two described column middle distances between the near column of B phase conductor (22) is less than the distance between described A phase conductor (21) and crossbeam.
6. built on stilts incoming line structure according to claim 5, it is characterized in that, distance described in described B phase conductor (22) and described two described column middle distances between the near column of B phase conductor (22) is more than or equal to 3m, and the distance between described A phase conductor (21) and crossbeam is more than or equal to 4m.
7. a built on stilts incoming line structure, is characterized in that, comprising:
Door type frame (10), comprise along the parallel a plurality of columns (13) that arrange of first direction and be connected to the crossbeam (12) between adjacent two described columns (13), adjacent two described columns (13) and the crossbeam (12) being arranged between two described columns (13) form door type frame unit;
A phase conductor (21), B phase conductor (22) and C phase conductor (23), described B phase conductor (22) and C phase conductor (23) are arranged on the crossbeam (12) of door type frame unit described in each, described A phase conductor (21) is arranged on the column (13) in two columns (13) of door type frame unit described in each, described B phase conductor (22) is positioned between the column (13) and C phase conductor (23) at described A phase conductor (21) place
Wherein, the distance between the distance between described A phase conductor (21) and B phase conductor (22) and B phase conductor (22) and C phase conductor (23) is all more than or equal to safe distance.
8. built on stilts incoming line structure according to claim 7, is characterized in that, the distance between described B phase conductor (22) and C phase conductor (23) is more than or equal to 4m.
9. built on stilts incoming line structure according to claim 7, it is characterized in that, the distance described in described B phase conductor (22) and described two described column middle distances between the near column of B phase conductor (22) is greater than the distance between a near column of C phase conductor (23) described in described C phase conductor (23) and described two described column middle distances.
10. built on stilts incoming line structure according to claim 7, it is characterized in that, the distance described in described B phase conductor (22) and described two described column middle distances between the near column of B phase conductor (22) is less than the distance between described A phase conductor (21) and crossbeam.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210308629.3A CN103633601B (en) | 2012-08-27 | 2012-08-27 | Built on stilts incoming line structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210308629.3A CN103633601B (en) | 2012-08-27 | 2012-08-27 | Built on stilts incoming line structure |
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| Publication Number | Publication Date |
|---|---|
| CN103633601A true CN103633601A (en) | 2014-03-12 |
| CN103633601B CN103633601B (en) | 2016-08-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210308629.3A Active CN103633601B (en) | 2012-08-27 | 2012-08-27 | Built on stilts incoming line structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107039891A (en) * | 2017-06-07 | 2017-08-11 | 国家电网公司 | A kind of 35kV busbar arrangements structure |
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2012
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| Title |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107039891A (en) * | 2017-06-07 | 2017-08-11 | 国家电网公司 | A kind of 35kV busbar arrangements structure |
| CN107039891B (en) * | 2017-06-07 | 2024-03-15 | 国家电网公司 | 35kV bus arrangement structure |
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| Publication number | Publication date |
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| CN103633601B (en) | 2016-08-03 |
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