CN214753002U - Integral flexible power transmission bus - Google Patents
Integral flexible power transmission bus Download PDFInfo
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- CN214753002U CN214753002U CN202121169912.3U CN202121169912U CN214753002U CN 214753002 U CN214753002 U CN 214753002U CN 202121169912 U CN202121169912 U CN 202121169912U CN 214753002 U CN214753002 U CN 214753002U
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- bus
- power transmission
- flexible power
- conductor
- transmission bus
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Abstract
The utility model discloses an integral flexible power transmission generating line, include the bus conductor who arranges the formation by a plurality of metal bare conductor, the transversal rectangle or the ellipse of personally submitting of bus conductor, the outer cladding of bus conductor has the insulating layer. The flat bus structure can reduce the skin effect, and integral flexible power transmission bus can absorb the vibration energy and cushion, and the shock resistance is strong, prevents damaged fracture, is favorable to improving transmission system's safety and stability nature and life, and its flexibility is easy to assemble and transportation, has reduced installation and cost of transportation.
Description
Technical Field
The utility model relates to a wind-powered electricity generation technical field especially relates to an integral flexible power transmission generating line.
Background
The bus of the wind power bus transmission system is arranged in a wind power tower, the bus is designed into a hollow rigid tubular structure due to the problems of large current carrying, heat dissipation, skin benefit and the like, the hollow area of the bus is large, and the tubular bus is easy to shake by the wind power tower to cause resonance phenomenon and bus breakage.
In addition, the section of the tubular bus is circular, so that the tubular bus occupies a large space and is easy to roll, the transportation space is wasted, and special packaging is usually adopted in the transportation process, so that the transportation cost is increased; and in the process of installing the wind power bus and the wind power tower, a plurality of sections of wind power buses need to be connected, and the tubular bus is large in size and rigid, so that the tubular bus is difficult to align, and the installation is troublesome.
In view of the above, it is desirable to provide an integrated flexible power transmission bus that overcomes the above-mentioned drawbacks.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a thereby convenient transportation, installation are simple and difficult because of resonance lead to connecting the whole flexible wind-powered electricity generation generating line that breaks and improve life.
In order to realize the above object, the utility model provides an integral flexible power transmission generating line, include the bus conductor who arranges the formation by a plurality of metal bare conductor, the transversal rectangle or the ellipse of personally submitting of bus conductor, the outer cladding of bus conductor has the insulating layer.
Preferably, the bare metal conductors in the bus bar conductors are arranged in at least two rows.
Preferably, the two ends of the bus conductor are respectively sleeved with metal tubes made of the same material as the bare metal conductor and are flattened to be connected with the bus conductor to form a bus connecting end.
Preferably, both ends of the bus conductor are respectively crimped with a connecting terminal to form a bus connecting end, wherein one end of the connecting terminal is a crimping end with a crimping hole, and the other end of the connecting terminal is a connecting end, and one end of the bus conductor is inserted into the crimping hole of the connecting terminal and is crimped with the crimping end.
Preferably, when the integrated flexible power transmission bus is connected with an electrical cabinet, the bus connecting end of the integrated flexible power transmission bus and the wiring terminal of the electrical cabinet are fixed together through a locking member.
Preferably, the integrated flexible power transmission bus has multiple sections, and the bus connecting ends of two adjacent sections of the integrated flexible power transmission bus are fixed to each other through locking pieces; or the bus connecting ends of the two adjacent sections of the integrated flexible power transmission buses are fixedly connected with the connecting piece through locking pieces.
Preferably, the insulating layer is a heat shrinkable sleeve, which is sleeved outside the flat bus conductor and heat shrunk on the flat bus conductor.
Preferably, the insulating layer is formed by extrusion.
Preferably, the metal bare conductor is a copper bare conductor, an aluminum bare conductor or a copper-aluminum alloy bare conductor.
Preferably, the metal bare conductor is a steel-cored aluminum strand.
Preferably, the cross-sectional area of the metal bare conductor is less than or equal to 95mm2。
The integral flexible power transmission bus can be used in a wind power tower.
Preferably, a semiconductive layer is arranged between the bus conductor and the insulating layer, and a shielding layer is arranged outside the insulating layer.
As described above, the bus conductor cross section of the integrated flexible power transmission bus of the present invention is rectangular or oval, and the bus conductor is formed by arranging a plurality of bare metal conductors, the flat bus structure can reduce skin effect, and because the integrated flexible power transmission bus has flexibility, even if the bus conductor shakes during use, the integrated flexible power transmission bus can absorb and buffer vibration energy, has strong shock resistance, prevents breakage and fracture, is beneficial to improving the safety stability and service life of the power transmission system, and can conveniently adjust installation error due to its flexibility, facilitate installation and alignment, and is simple to install, thereby reducing installation cost; in addition, because the section of the integral flexible power transmission bus is flat, compared with the existing tubular bus, the integral flexible power transmission bus has the advantages of small occupied space, convenience in transportation and reduction in transportation cost.
In order to make the aforementioned and other objects, features and advantages of the present invention comprehensible, preferred embodiments accompanied with figures are described in detail below.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic structural diagram of an integrated flexible power transmission bus bar provided in embodiment 1;
fig. 2 is a schematic structural diagram of the connection of two adjacent segments of the integrated flexible power transmission bus provided in embodiment 1.
Fig. 3 is a schematic structural diagram of the connection of two adjacent segments of the integrated flexible power transmission bus provided in example 2.
Fig. 4 is a side view of fig. 3.
The reference numbers illustrate:
Detailed Description
In order to make the objects, technical solutions and advantageous technical effects of the present invention more clearly understood, the present invention is further described in detail with reference to the accompanying drawings and the following detailed description. It should be understood that the detailed description and specific examples, while indicating the present invention, are given by way of illustration only and not by way of limitation.
Example 1
Referring to fig. 1 and 2, which illustrate an embodiment 1 of the integrated flexible power transmission bus according to the present invention, the integrated flexible power transmission bus 10 is configured to be disposed in a wind power tower (not shown) and electrically connected to a terminal of an electrical cabinet.
The integral flexible power transmission bus 10 includes a bus conductor 11 formed by arranging a plurality of bare metal conductors, and the cross section of the bus conductor 11 is rectangular or elliptical. The bus conductor 1 is coated with an insulating layer 2, and the insulating layer 2 can be rectangular or elliptical.
In this embodiment, the plurality of bare metal conductors 11 are arranged in two rows, and this structure can make the bus conductor 1 form a rectangular cross section, which can reduce the skin effect. Of course, the bare metal conductors 11 may be arranged in three or more rows, and may be arranged accordingly as needed.
In this embodiment, the bare metal conductor 11 is a bare copper conductor, a bare aluminum conductor, or a bare copper-aluminum alloy conductor, and an aluminum stranded wire is preferred here, and a copper stranded wire or a copper-aluminum alloy stranded wire may also be used, or a metal conductor made of any other metal material may be selected according to the requirement, and the form of the conductor may be a stranded wire or other forms.
In this embodiment, the bare metal conductor 11 is preferably an aluminum steel reinforced stranded wire, which can improve the structural strength of the bare metal conductor 11.
In this embodiment, the cross-sectional area of the bare metal conductor is less than or equal to 95mm2。
In the present embodiment, there are 6 bare metal conductors 11 arranged in each row, so that the lateral width of the bus bar conductor 1 is greater than the longitudinal width to have a sufficient amount of flexible deformation and have a sufficient space for the fastening member 4 to pass through, and the installation error in the lateral direction can be adjusted, facilitating the installation.
In this embodiment, the insulating layer 2 is a heat shrinkable sleeve, which is sleeved outside the bus conductor 1 and heat shrunk on the bus conductor 1. When the integral flexible power transmission bus 10 is processed, the integral flexible power transmission bus 10 can be formed only by sleeving the heat-shrinkable sleeve as the insulating layer 2 outside the bus conductor 1 and performing heat shrinkage, so that the processing is more convenient and the cost is saved compared with the existing wind power tubular bus. Of course, the insulating layer 2 may be formed by extrusion directly on the bus bar conductor 1.
In this embodiment, the integral flexible power transmission bus 10 is a flat bus structure, which can reduce the skin effect, and because the integral flexible power transmission bus 10 has flexibility, even if the integral flexible power transmission bus 10 shakes during use, the integral flexible power transmission bus 10 can absorb and buffer vibration energy, prevent damage and fracture, has strong shock resistance, is beneficial to improving the safety stability and the service life of a power transmission system, and in addition, the flexibility can conveniently adjust installation errors, facilitate installation and alignment, is simple to install, and reduces the installation cost; in addition, because the section of the integral flexible power transmission bus 10 is flat, compared with the existing tubular bus, the integral flexible power transmission bus has the advantages of small occupied space, convenience in transportation and reduced transportation cost.
In this embodiment, the integrated flexible power transmission bus 10 may be used in a low voltage environment, such as for power transmission within a wind tower. The two ends of the bus conductor 1 are respectively sleeved with an aluminum pipe 3 and are flattened to be connected with the bus conductor 1 to form a bus connecting end, and when the integral flexible power transmission bus 10 is connected with an electric cabinet, the bus connecting end of the integral flexible power transmission bus 10 is fixed with a wiring terminal of the electric cabinet through a locking piece 4. In this embodiment, the locking member 4 is a bolt, but in other embodiments, the locking member 4 can be a rivet or other locking member 4 for fixed connection.
The bus connecting end of the embodiment can also have another transformation mode, two ends of the bus conductor are respectively in compression joint with a connecting terminal to form the bus connecting end, wherein one end of the connecting terminal is a compression joint end with a compression joint hole, the other end of the connecting terminal is a connecting end, and one end of the bus conductor is inserted into the compression joint hole of the connecting terminal and is in compression joint with the compression joint end.
Example 2
Referring to fig. 3 and 4, an embodiment 2 of the integrated flexible power transmission bus of the present invention is disclosed, which is similar to embodiment 1 except that: the integrated flexible power transmission bus bar 10 has a plurality of sections, and the bus bar connecting ends of two adjacent sections of the integrated flexible power transmission bus bar 10 are fixed to each other by the locking member 4 to fix the integrated flexible power transmission bus bars 10 of the adjacent sections together. Wherein the locking member 4 passes through the two overlapping busbar connection ends to lock them together.
In fact, the bus connecting ends of two adjacent sections of the integrated flexible power transmission buses 10 are fixedly connected with the connecting piece through the locking pieces 4, wherein the bus connecting ends of the two adjacent sections of the integrated flexible power transmission buses 10 are oppositely arranged and the bottoms of the two adjacent sections of the integrated flexible power transmission buses 10 are attached to the plane of the connecting piece, and the two bus connecting ends are fixed together with the connecting piece through the plurality of locking pieces 4, so that the two adjacent sections of the integrated flexible power transmission buses 10 are fixed together through the connecting piece and the locking pieces.
Example 3
This example 3 is similar to example 1, with the difference that: the integral flexible power transmission bus 10 is used in medium-voltage or above environment, a semiconductive layer is arranged between a bus conductor and an insulating layer of the integral flexible power transmission bus, and a shielding layer is arranged outside the insulating layer.
Example 4
This example 4 is similar to example 2, with the difference that: the integral flexible power transmission bus 10 is used in medium-voltage or above environment, a semiconductive layer is arranged between a bus conductor and an insulating layer of the integral flexible power transmission bus, and a shielding layer is arranged outside the insulating layer.
The invention is not limited solely to that described in the specification and the embodiments, and additional advantages and modifications will readily occur to those skilled in the art, and it is not intended to be limited to the specific details, representative apparatus, and illustrative examples shown and described herein, without departing from the spirit and scope of the general concept as defined by the appended claims and their equivalents.
Claims (13)
1. The integral flexible power transmission bus is characterized by comprising a bus conductor formed by arranging a plurality of metal bare conductors, wherein the cross section of the bus conductor is rectangular or oval, and an insulating layer is coated outside the bus conductor.
2. The unitary flexible power transmission bus of claim 1, wherein: and the metal bare conductors in the plurality of bus conductors are arranged into at least two rows.
3. The unitary flexible power transmission bus of claim 1, wherein: and two ends of the bus conductor are respectively sleeved with a metal tube which is made of the same material as the bare metal conductor and are flattened to be connected with the bus conductor together to form a bus connecting end.
4. The unitary flexible power transmission bus of claim 1, wherein: the both ends of bus conductor form the generating line link with a binding post crimping respectively, wherein, binding post one end is for having the crimping end in crimping hole, and the other end is the link, the one end of bus conductor inserts in binding post's the crimping is downthehole and with the crimping end crimping together.
5. The unitary flexible power transmission bus of claim 3 or 4, wherein: when the integrated flexible power transmission bus is connected with the electrical cabinet, the bus connecting end of the integrated flexible power transmission bus and the wiring terminal of the electrical cabinet are fixed together through a locking piece.
6. The unitary flexible power transmission bus of claim 1, wherein: the integrated flexible power transmission bus comprises a plurality of sections, and bus connecting ends of two adjacent sections of the integrated flexible power transmission bus are fixed through locking pieces; or the bus connecting ends of the two adjacent sections of the integrated flexible power transmission buses are fixedly connected with the connecting piece through locking pieces.
7. The unitary flexible power transmission bus of claim 1, wherein: the insulating layer is a heat-shrinkable sleeve which is sleeved outside the bus conductor and thermally shrunk on the bus conductor.
8. The unitary flexible power transmission bus of claim 1, wherein: the insulating layer is extruded on the bus conductor.
9. The unitary flexible power transmission bus of claim 1, wherein: the metal bare conductor is a copper bare conductor, an aluminum bare conductor or a copper-aluminum alloy bare conductor.
10. The unitary flexible power transmission bus of claim 1, wherein: the metal bare conductor is a steel-cored aluminum strand.
11. The unitary flexible power transmission bus of claim 1, wherein: the cross-sectional area of the metal bare conductor is less than or equal to 95mm2。
12. The unitary flexible power transmission bus of any one of claims 1 to 11, wherein: the integral flexible power transmission bus is used in the wind power tower.
13. The unitary flexible power transmission bus of any one of claims 1 to 11, wherein: and a semiconductive layer is arranged between the bus conductor and the insulating layer, and a shielding layer is arranged outside the insulating layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121169912.3U CN214753002U (en) | 2021-05-27 | 2021-05-27 | Integral flexible power transmission bus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121169912.3U CN214753002U (en) | 2021-05-27 | 2021-05-27 | Integral flexible power transmission bus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214753002U true CN214753002U (en) | 2021-11-16 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121169912.3U Active CN214753002U (en) | 2021-05-27 | 2021-05-27 | Integral flexible power transmission bus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214753002U (en) |
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2021
- 2021-05-27 CN CN202121169912.3U patent/CN214753002U/en active Active
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