CN217769413U

CN217769413U - Heavy-current bus duct of wind driven generator

Info

Publication number: CN217769413U
Application number: CN202221663019.0U
Authority: CN
Inventors: 崔英福; 晏刚
Original assignee: Henan Maisi Power Co ltd
Current assignee: Henan Maisi Power Co ltd
Priority date: 2022-06-30
Filing date: 2022-06-30
Publication date: 2022-11-08
Anticipated expiration: 2032-06-30

Abstract

The utility model discloses a large-current bus duct of a wind driven generator, which relates to the technical field of power transmission, and can form a main body structure of the bus duct as a structural support of internal components by arranging a cover plate component to form a rectangular groove; the rainproof device is arranged, so that the bus duct can be prevented from being drenched by rain and entering water when being erected outdoors; the cover plate assembly and the rain-proof device are connected with the grounding bracket, so that the rain-proof device can be conveniently erected in the air outdoors and further is prevented from being buried in the soil; the arrangement of the copper busbar assembly can meet the conductive capacity of the bus duct, and the arrangement of the clamping groove assembly matched with the copper busbar assembly can play a role in fixing and supporting the copper busbar assembly; the utility model discloses a bus duct can carry out batch production processing, and the installation of on-the-spot ground concatenation, and need not the ditching and bury underground, have the installation simple and easy, construction cycle is short, prevent characteristics such as cross operation, solve among the prior art cable need bury underground the construction that brings inconvenient, overhaul inconvenient and easy destroyed problem when replating.

Description

Heavy-current bus duct of wind driven generator

Technical Field

The utility model relates to an electric power transmission technical field especially indicates a aerogenerator heavy current bus duct.

Background

At present, the outlet voltage of wind driven generators which are incorporated into a power grid in China is mostly 0.66-0.99KV, and the voltage is generally raised to 35KV through a box-type substation and then sent to a 110KV or 220KV booster station of the national grid through a sending-out line for outgoing delivery. Along with the high-speed development of the wind power generation industry in China, the single-machine capacity of a wind power generator is continuously broken through, various large-capacity machine types occupy the market leading position, more and more power cables are used between a switch cabinet and a box-type substation of the wind power generator, the performance requirement on the power cables is higher and higher, the number of the cables is increased, the difficulty of cable installation and wiring is increased, and the higher requirement is provided for the construction period of the wind power generation project.

In the prior art, a mode of directly connecting a plurality of cables is adopted between a wind driven generator and a box-type substation, the number of the cables is 16 in common connection, the capacity of a unit is large and even exceeds 20, and a mode of burying the cables is mostly adopted during construction. There are the following problems: 1: the total number of cable strands is large, the sectional area is large, the number of cable joints of the box transformer substation and a power distribution cabinet in a tower drum is large, and the manufacture is troublesome, so that the wiring work is complicated; 2: the cables are connected in a single stranded form, when the cables are directly buried underground, mechanical trenching is needed, the cables are backfilled immediately after being laid, the construction steps are troublesome, and the cables are not easy to store and store outdoors during construction; 3: for the wind power plant in the plain area, the damage to the buried cable is easily caused by the re-cultivation of the farmland in the later period; 4: the number of cables is large, the electric energy loss is large, and the improvement of the electric energy conversion rate is not facilitated; 5: is not beneficial to daily replacement and maintenance.

SUMMERY OF THE UTILITY MODEL

To the not enough in the above-mentioned background art, the utility model provides a aerogenerator heavy current bus duct to solve among the prior art cable need bury the construction that brings inconveniently, overhaul inconvenient and when replanting destroyed problem easily underground.

The technical scheme of the utility model is realized like this: the utility model provides a aerogenerator heavy current bus duct, includes the apron subassembly, and the apron subassembly encloses into the rectangular channel, and the longitudinal symmetry is equipped with two sets of draw-in groove subassemblies in the rectangular channel, is equipped with the female subassembly of arranging of copper between two sets of draw-in groove subassemblies, and apron subassembly upper portion can be dismantled and be equipped with rain insensitive device, and rain insensitive device and apron subassembly all are connected with the ground connection support.

Preferably, the cover plate assembly comprises a cover plate arranged up and down and side plates arranged left and right, and the cover plate is connected with the side plates through bolts.

Further, the apron is right angle U template, and the curb plate is right angle C style of calligraphy template, and two relative locks in apron opening direction are at both sides board both ends, and both sides board opening direction is carried on the back mutually. Be equipped with sealed the pad between apron and the curb plate, the opening direction lateral wall of curb plate is equipped with the heat dissipation thin slice, and sealed pad can further improve water-proof effects, and the heat dissipation thin slice can make things convenient for the bus duct to carry out the nature heat dissipation when the circular telegram.

Preferably, the clamping groove assembly comprises a plurality of clamping block units, the clamping block units are fixedly connected in series through long bolts, a half U-shaped groove is formed in each clamping block unit, and the half U-shaped grooves between the adjacent clamping block units are matched to form a U-shaped groove matched with the copper busbar assembly.

Preferably, the copper busbar assembly comprises a plurality of copper busbars arranged in parallel, the U-shaped grooves are matched with the copper busbars, and insulating clamp sheaths are arranged between every two adjacent copper busbars.

Further, the outside cladding of copper bar has the polymer insulation layer, and the copper bar cross-section matches with U type groove cross-sectional shape.

Preferably, the rainproof device comprises a first connecting piece connected with the upper part of the cover plate, the first connecting piece is fixedly connected with the top plate, and the top plate is fixedly connected with the grounding support.

Furthermore, first connecting piece is the right angle shape connecting piece, and the roof includes that two slopes are the swash plate that the chevron shape set up, and two swash plates are connected with the apron through the right angle shape connecting piece respectively.

Preferably, the grounding support comprises a U-shaped grounding support, the two opening end parts of the U-shaped grounding support are respectively connected with the two inclined plates, the inside of the U-shaped grounding support is connected with the bottom of the cover plate through a second connecting piece, and the bottom of the U-shaped grounding support is connected with the stand column.

The utility model has the advantages that: the cover plate assembly is arranged to form a rectangular groove, so that a main body structure of the bus duct can be formed and used as a structural support of internal components of the bus duct; the rainproof device is arranged, so that the bus duct can be prevented from being drenched with rain and entering water when being erected outdoors; the cover plate assembly and the rain-proof device are connected with the grounding bracket, so that the rain-proof device can be conveniently erected in the air outdoors and further is prevented from being buried in the soil; the arrangement of the copper busbar assembly can meet the conductive capacity of the bus duct, and the arrangement of the clamping groove assembly matched with the copper busbar assembly can play a role in fixing and supporting the copper busbar assembly; the utility model discloses a bus duct can carry out batch production processing, and the installation of scene ground concatenation, and need not the ditching and bury underground, has that the installation is simple and easy, construction cycle is short, prevent characteristics such as cross operation, solves among the prior art cable need bury underground the construction inconvenience that brings, overhaul inconvenient and easy destroyed problem when replanting.

Drawings

In order to illustrate the embodiments of the present invention more clearly, the drawings that are needed in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the description below are only some embodiments of the present invention, and that other drawings can be obtained by those skilled in the art without inventive work.

FIG. 1 is a schematic cross-sectional view of the cover plate assembly of the present invention;

fig. 2 is a schematic view of the sectional structure of the bus duct of the present invention;

FIG. 3 is a schematic view of the structure of the utility model;

in the figure: 1: cover plate assembly, 2: card slot assembly, 3: copper bar assembly, 4: rain insensitive device, 5: grounding support, 11: cover plate, 12: side plates, 13: heat dissipating sheet, 21: latch unit, 22: long bolt, 31: copper busbar, 32: insulating clip sheath, 41: first connecting member, 42: top plate, 51: u-shaped grounding bracket, 52: second connecting member, 53: and (4) a column.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

As shown in fig. 1 and 3, in embodiment 1, a large current bus duct of a wind driven generator includes a cover plate assembly 1, the cover plate assembly 1 encloses a rectangular groove, and the cover plate assembly forms the rectangular groove, so that a main body structure of the bus duct can be formed, and the main body structure can be used as a structural support of internal components thereof. The longitudinal symmetry is equipped with two sets of draw-in groove subassemblies 2 in the rectangular channel, is equipped with the female subassembly 3 of arranging of copper between two sets of draw-in groove subassemblies 2, sets up the electric conductivity that the female subassembly of arranging of copper can satisfy the bus duct, sets up and to play the fixed stay effect to the female subassembly of arranging of copper with the female subassembly complex draw-in groove subassembly of copper. The upper part of the cover plate component 1 can be detachably provided with a rainproof device 4, so that the bus duct can be prevented from being drenched by rain and entering water when being erected outdoors. Rain insensitive device 4 and apron subassembly 1 all are connected with ground connection support 5. The cover plate assembly and the rain-proof device are connected with the grounding bracket, so that the cover plate assembly can be conveniently erected in the air outdoors, and further can be prevented from being buried in the soil. The bus duct of this scheme of application need not the on-the-spot ditching operation, can avoid the inconvenience of site operation and the destruction to buried cable when replanting, uses the bus duct as conductive structure, can satisfy the power transmission between aerogenerator and the case becomes.

This embodiment is when using, make the base of a plurality of ground connection support earlier, specifically be preparation cement platform, pre-buried bolt on the cement platform, with a plurality of ground connection support equidistant fixed with apron subassembly and rain insensitive device on, welding or bolted connection can be chooseed for use, then assemble the bus duct, hoist whole bus duct and make ground connection support and cement platform correspond, make both accomplish the hoist and mount promptly through bolted connection, then be connected the female binding post that arranges the subassembly both ends with the copper of bus duct respectively with aerogenerator and case transformer, accomplish the setting promptly. When in actual use, can design into the bus duct and contain the unit of the equal unanimous straightway of cross-sectional structure and the unit of the section of bending, but the unit of straightway and the unit integrated into one piece design of the section of bending, or the split becomes a plurality of unit festival, apron subassembly between the adjacent unit festival during the split, rain insensitive device, link to each other through bolted connection or welding between the draw-in groove subassembly, then the intercepting is assembled the female subassembly of arranging with the copper of length, the bus duct all stretches out at female subassembly both ends of copper during the equipment, and be equipped with the connecting hole at the tip, so that be connected with binding post.

As shown in fig. 2, in embodiment 2, the cover plate assembly 1 includes a cover plate 11 disposed up and down and a side plate 12 disposed left and right on the basis of embodiment 1, and the cover plate 11 and the side plate 12 are bolted. In this embodiment, the cover plate 11 is a right-angled U-shaped plate, the side plate 12 is a right-angled C-shaped plate, the two cover plates 11 are oppositely buckled at two ends of the two side plates 12 in the opening direction, and the two side plates 12 are oppositely opened. The bolt connection mode makes things convenient for on-spot fast assembly, and right angle C style of calligraphy template and right angle U template can form firmer structure.

A sealing gasket is arranged between the cover plate 11 and the side plate 12, and a heat dissipation sheet 13 is arranged on the side wall of the side plate 12 in the opening direction. The sealing gasket is arranged, so that the waterproof capacity of the bus duct can be further improved; the whole bus duct can be conveniently cooled by the aid of the cooling sheet.

Embodiment 3, on the basis of embodiment 2, draw-in groove subassembly 2 includes a plurality of fixture block units 21, and a plurality of fixture block units 21 are established ties through long bolt 22 and are fixed, are equipped with half U type groove on the fixture block unit 21, and half U type groove cooperation between the adjacent fixture block unit 21 forms the U type groove of arranging subassembly 3 complex with the copper.

In this embodiment, the copper busbar assembly 3 includes a plurality of parallel arrangement's the copper busbar 31, according to actual scene, preferably sets up four parallel arrangement's the copper busbar, both satisfies structural stability, satisfies electrically conductive efficiency requirement again. The U-shaped groove is matched with the copper busbar 31, and an insulating clamp sheath 32 is arranged between the adjacent copper busbars 31.

Further, the outside cladding of copper bar 31 has the polymer insulation layer, and the copper bar 31 cross-section matches with U type groove cross-sectional shape. The cross-sectional shape of the copper busbar in this embodiment is a long-strip waist shape, and can correspond to the U-shaped grooves at both ends during assembly.

Embodiment 4, on the basis of embodiment 3, rain insensitive device 4 includes the first connecting piece 41 of being connected with apron 11 upper portion, first connecting piece 41 and roof 42 fixed connection, roof 42 and ground connection support 5 fixed connection, specifically can adopt bolted connection or welding, because of adding the rubber circle in order to play waterproof effect when using bolted connection.

In this embodiment, the first connecting member 41 is a right-angle connecting member, and the top plate 42 includes two inclined plates arranged in a herringbone manner, and the two inclined plates are respectively connected with the cover plate 11 through the right-angle connecting member. The herringbone inclined plate can facilitate rainwater to flow down, and waterproof capacity is improved. When the box type transformer substation is installed, sealant is arranged between the inclined plate and the box type transformer substation and between the wind driven generator and the box type transformer substation.

Embodiment 5, on the basis of embodiment 4, the grounding bracket 5 includes a U-shaped grounding bracket 51, two open ends of the U-shaped grounding bracket 51 are respectively connected to the two sloping plates, and the inside of the U-shaped grounding bracket 51 is connected to the bottom of the cover plate 11 through a second connecting member 52, and particularly preferably connected by welding through two second connecting members. The bottom of the U-shaped grounding bracket 51 is connected with a vertical column 53. In this embodiment, when installation stand length satisfy apron bottom to the distance on ground more than or equal to 2 meters to satisfy the ground clearance of bus duct, satisfy and transfer the double-tillage needs.

The above description is only for the preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a aerogenerator heavy current bus duct which characterized in that: including apron subassembly (1), apron subassembly (1) encloses into the rectangular channel, and the longitudinal symmetry is equipped with two sets of draw-in groove subassembly (2) in the rectangular channel, is equipped with female subassembly (3) of arranging of copper between two sets of draw-in groove subassembly (2), and apron subassembly (1) upper portion can be dismantled and be equipped with rain insensitive device (4), and rain insensitive device (4) and apron subassembly (1) all are connected with ground connection support (5).

2. A wind driven generator high current bus duct according to claim 1, wherein: the cover plate assembly (1) comprises a cover plate (11) arranged from top to bottom and side plates (12) arranged from left to right, and the cover plate (11) and the side plates (12) are connected through bolts.

3. A wind driven generator high current bus duct as defined in claim 2, wherein: the cover plates (11) are right-angle U-shaped plates, the side plates (12) are right-angle C-shaped plates, the opening directions of the two cover plates (11) are oppositely buckled at the two ends of the two side plates (12), and the opening directions of the two side plates (12) are opposite to each other.

4. A wind driven generator high current bus duct as defined in claim 1, wherein: a sealing gasket is arranged between the cover plate (11) and the side plate (12), and a heat dissipation sheet (13) is arranged on the side wall of the side plate (12) in the opening direction.

5. The wind driven generator high-current bus duct according to any one of claims 2 to 4, wherein: draw-in groove subassembly (2) include a plurality of fixture block units (21), and it is fixed that a plurality of fixture block units (21) establish ties through stay bolt (22), is equipped with half U type groove on fixture block unit (21), half U type groove cooperation between adjacent fixture block unit (21) form with female subassembly (3) complex U type groove of copper.

6. A wind driven generator high current bus duct of claim 5, wherein: the copper busbar assembly (3) comprises a plurality of parallel copper busbars (31), a U-shaped groove is matched with the copper busbars (31), and an insulating clamp sheath (32) is arranged between every two adjacent copper busbars (31).

7. A high current bus duct of wind driven generator as set forth in claim 6, wherein: the outside cladding of copper bar (31) has the polymer insulation layer, and copper bar (31) cross-section matches with U type groove cross-sectional shape.

8. A large-current bus duct of a wind driven generator as claimed in any one of claims 2 to 4, 6 and 7, wherein: the rainproof device (4) comprises a first connecting piece (41) connected with the upper part of the cover plate (11), the first connecting piece (41) is fixedly connected with the top plate (42), and the top plate (42) is fixedly connected with the grounding support (5).

9. A wind driven generator high current bus duct as defined in claim 8, wherein: the first connecting piece (41) is a right-angle connecting piece, the top plate (42) comprises two inclined plates which are inclined in a herringbone mode, and the two inclined plates are connected with the cover plate (11) through the right-angle connecting pieces respectively.

10. A wind generator high current bus duct as defined in claim 9, wherein: ground connection support (5) are connected with two swash plates respectively including U type ground connection support (51), two open ends of U type ground connection support (51), and U type ground connection support (51) are inside to be connected through second connecting piece (52) with apron (11) bottom, and U type ground connection support (51) bottom is connected with stand (53).