CN203787906U - Tubular bus duct for wind driven generator - Google Patents
Tubular bus duct for wind driven generator Download PDFInfo
- Publication number
- CN203787906U CN203787906U CN201320674394.XU CN201320674394U CN203787906U CN 203787906 U CN203787906 U CN 203787906U CN 201320674394 U CN201320674394 U CN 201320674394U CN 203787906 U CN203787906 U CN 203787906U
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- Prior art keywords
- bus
- bolt
- driven generator
- wind
- plate
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Abstract
The utility model provides a tubular bus duct for a wind driven generator, and solves the problems that a tubular bus duct of a conventional wind driven generator is complex in structure, is poor in universality, is high in cost, is difficult in installation and maintenance, is poor in heat dissipation and corrosion resistance, and is small in current-carrying capacity of a single tubular bus. An installation frame is provided with L-shaped upper and lower support plates (2, 5). The horizontal plane of the lower support plate (5) is connected with a first bolt (6) welded on an inner wall of a tubular tower frame of a draught fan. An elastic rubber supporting seat (3) is disposed between the vertical planes of the upper and lower support plates (2, 5), is cylindrical, and is connected with the upper and lower support plates (2, 5) through second bolts. A cross beam (1) is axially provided with a plurality of holes, and is connected with the horizontal plane of the upper support plate (2) and a base plate (7) through third bolts. The vertical plate of the base plate (7) is connected with a side wall of a metal shielding mesh (14) through a fourth bolt. Two hoops (9) clamp a tubular bus (8) through an insulating gasket (10).
Description
technical field:
The utility model relates to wind-driven generator tube type bus groove power distribution equipment, relates in particular to three-wire system or the low pressure cast bus duct more than three lines.
background technology:
At present, domestic generator of wind generating set adopts cable and bus duct mode to transmit to transmission of electricity part between frequency converter.Compared to cable, adopting the advantage of bus duct is that installation and maintenance are easy, and particularly wind field pylon docking does not affect blower fan lifting efficiency, has reduced the difficulty of wind field tower tube construction; The not halogen-containing and combustible material of bus duct, fire protecting performance is good; Bus duct ampacity is large, can reduce the weight of pylon, reduces the impact on pylon; Because bus duct adopts steel can, stable array between busbar, there is obvious effect for reducing frequency converter to the high order harmonic component of bringing because of transmission line between generator especially, can effectively reduce the overvoltage because of high-order harmonic generation, ensure that the safety and stability of generator and frequency converter is effectively moved; Bus duct is artistically decorated in pylon.Therefore, in wind power tower, transmission line has progressively replaced traditional cable power transmission mode by bus both at home and abroad, and domestic this trend is also obviously accelerated.
Along with the development of wind-powered electricity generation, large capacity unit is in succession produced and is put into operation by each system maker, offshore wind farm is the trend place of following Wind Power Development especially, 3MW, 5MW, 6MW will become the leading role of offshore wind farm, simultaneously, in wind power tower, transmission line will face new problem, the mode of traditional cable power transmission will be difficult to implement more, adopt the mode of single group bus also to can not meet requirement, although the parallel mode of many group buses can meet electric instructions for use, it is more and more difficult that installation and maintenance etc. will become.
The sixth of the twelve Earthly Branches by the housing of special bus duct for wind power formed by upper and lower cover plates and front and back side plate.Tubular conductor dbus is crossed supporter and bolt and is fixed on housing and introduces investment from abroad and establishes lateral ties at home.Tubular conductor expands with heat and contract with cold limited.Tubular conductor termination is easily corroded.Conductor is closed in housing, and heat-sinking capability is poor.Between housing and housing, be connected by bellows, installation difficulty is large.Housing is fixed on the set bolt in the tubular pylon of blower fan, high to the position accuracy demand of this set bolt.The versatility of this Special bus duct is poor, and cost is high, and single pipe busbar carrying capacity is few, installation and maintenance difficulty, heat radiation and corrosion-resistant.
utility model content:
The purpose of this utility model is to provide a kind of simple in structure, and versatility is good, and cost is low, and installation and maintenance is easy, heat radiation and good corrosion resistance, the wind-driven generator tube type bus groove that single pipe busbar carrying capacity is large.
The utility model is achieved in that
Mounting bracket, pipe bus, crossbeam, metallic shield net composition, described mounting bracket have L shaped on, lower carriage plate 2, 5, the horizontal plane of lower carriage plate 5 is connected with the first double-screw bolt 6 of the inwall welding of the tubular pylon of blower fan, on, lower carriage plate 2, between 5 vertical face, there is caoutchouc elasticity bearing 3, caoutchouc elasticity bearing is cylindrical, by the second bolt and upper, lower carriage plate connects, crossbeam 1 axially has some holes, and be connected with horizontal plane and the gauze screen installation support plate 7 of upper bracket plate by the 3rd bolt, gauze screen is installed support plate and is connected by the 4th bolt with metallic shield net sidewall, two anchor ears 9 are by insulating washer 10 grip tube buses 8, and be connected with crossbeam by the 5th bolt, the 5th bolt is locking with disk spring washer 12, between pipe bus and between pipe bus and inlet wire case 11, be connected by flexible piece, a whole set of pipe bus in tubular pylon from top to bottom is lived by metallic shield square.The material of pipe bus 8 is aluminum for electric engineering alloy, the splicing ear plating Cu-Sn alloy of pipe bus two ends welding.
Generator cable connects with the row that is connected in inlet wire case through the cable cover(ing) on inlet wire case 11, connection row leading-out terminal outside inlet wire case is connected with the splicing ear of pipe bus termination by flexible piece and uses silica gel sheath sealed insulation parcel, has mounting panel 13 to be connected with pylon on inlet wire case.
Pipe bus on crossbeam is phase three-wire three or three-phase and four-line or Three-phase five-wire side by side.
Upper and lower supporting plate is by steel wire 4 ground connection.
Pipe bus surface parcel mica layer, then wraps heat-resistant insulating layer.
Pipe bus of the present utility model surface parcel mica layer, then wraps heat-resistant insulating layer, and the two ends of pipe bus are welded to connect termination, and connection end has alloy layer, the heat radiation of pipe bus and good corrosion resistance.Mounting bracket has adjustment and the shock-absorbing function of X, Y-direction.Lower carriage plate can be around caoutchouc elasticity bearing central rotation, and upper bracket plate and crossbeam can longitudinally regulate, the not impact of the construction bolt error of welding in wind-engaging tower.The parts that mounting bracket and pipe bus are installed, by steel wire ground connection, ensure the use safety of bus duct like this.Crossbeam can require to lengthen according to different system configuration, install, and remainder can be changed with the tube type bus groove that meets all size, and mounting bracket versatility is good, and phase three-wire three or three-phase and four-line or Three-phase five-wire can be installed on identical mounting bracket.
A whole set of pipe bus in tubular pylon from top to bottom is lived by metallic shield square, reduces the high order harmonic component that transmission line brings.Two anchor ears pass through insulating washer grip tube bus, and are connected with crossbeam by the 5th bolt, and the 5th bolt is locking with disk spring washer, contraction and swell increment that adjustable homogeneous tube bus is brought by the temperature difference.
The utility model is simple in structure, and versatility is good, and at the bottom of cost, installation and maintenance is easy, heat radiation and good corrosion resistance, and single pipe busbar carrying capacity is large.
brief description of the drawings:
Fig. 1 is the utility model structure chart.
Fig. 2 is the left view of Fig. 1.
Fig. 3 is the upward view of Fig. 1.
Fig. 4 is mounting support structure figure.
Fig. 5 is inlet wire box structure figure.
Fig. 6 is pipe bus connection structure figure.
embodiment:
Wind-driven generator tube type bus groove comprises mounting bracket, pipe bus 8, metallic shield net 14, pipe bus top line case and pipe busbar connecting terminal.Mounting bracket is by L shaped upper bracket plate 2, L shaped lower carriage plate 5, and caoutchouc elasticity shock mount 3, crossbeam 1 forms.The horizontal plane of lower carriage plate 5 is connected with the bolt 6 of the inwall welding of the tubular pylon of blower fan, on, lower carriage plate 2, between 5 vertical face, there is caoutchouc elasticity bearing 3, caoutchouc elasticity bearing is cylindrical, by bolt and upper, lower carriage plate connects, crossbeam axially has some holes, and be connected with horizontal plane and the backing plate 7 of upper bracket plate by bolt, the riser of backing plate 7 and metallic shield net sidewall are bolted, two anchor ears 9 are by insulating washer 10 grip tube buses 8, and be connected with crossbeam by bolt, this bolt is locking with disk spring washer 12, pipe bus surface parcel mica layer, then wrap heat-resistant insulating layer, the two ends of pipe bus are welded to connect terminal, splicing ear has alloy layer, between pipe bus and between pipe bus and inlet wire case 11, pass through copper pigtail sub-connection, cable connects with the row that is connected in inlet wire case through the cable cover(ing) on inlet wire case, connection row leading-out terminal outside inlet wire case is connected with the splicing ear of pipe bus termination by copper pigtail and uses silica gel sheath sealed insulation to wrap up, on inlet wire case, there is mounting panel 13 to be connected with pylon, a whole set of pipe bus in tubular pylon from top to bottom is lived by metallic shield square.
Pipe bus on crossbeam is phase three-wire three or three-phase and four-line or Three-phase five-wire side by side.
Upper and lower supporting plate 2,5 is by steel wire 4 ground connection.
The material of pipe bus 8 is aluminum for electric engineering alloy, the splicing ear plating Cu-Sn alloy of pipe bus two ends welding.
Because blower fan pylon can produce vibration and swing, therefore the mounting bracket of bus duct need to use shock bracket, mounting pipe bus on crossbeam 1, upper bracket plate 2 is with bolts with transverse beam 1, and upper bracket plate 2 is connected by caoutchouc elasticity shock mount 3 with lower carriage plate 5, because pylon is columnar, therefore the mounted in pairs double-screw bolt welding on tower wall may have relative angle deviation, this lower carriage plate 5 can be around the certain angle of the axis tilt of caoutchouc elasticity shock mount 3, therefore, simplify the welding condition that double-screw bolt is installed, the parts that this mounting bracket and tube type bus are installed are by steel wire 4 ground connection, ensure like this use safety of bus duct.Crossbeam 1 can require to lengthen according to different system configuration, install, and remainder can be changed, the structure that the installation form that this mounting bracket extends forms for different installation crossbeams with the tube type bus groove that meets all size.
Tube type bus assembly is made up of pipe bus anchor ear 9, aluminium-alloy pipe bus 8.Pipe bus length is on-demand customization, material is that (material requires to meet GBT 5585.2-2005 electrician copper to aluminum for electric engineering alloy, aluminium and alloy bus part 2 thereof: aluminum and its alloy bus), pipe bus two ends are welded to connect termination and connection end part plating Cu-Sn, protection termination metal part is not corroded, aluminum pipe body surface parcel mica layer, and then wrap insulating material heat-resisting and that the class of insulation is good, can allow like this conductor in the time of work, have good heat radiation and insulating capacity, again can preventing dust condensation and salt fog, whole system can meet plateau, the coastal instructions for use that waits extreme environment.
In wind tower after whole section of bus installation, top connects the cable of turning round of spontaneous motor, bottom is connected to the cable of frequency converter, for ensureing bus integral protection performance, the top being connected with bus at cable, adopt independently wire inlet unit, wire inlet unit is all-sealed structure, degree of protection be IP54 and more than, by all-steel shell, internal copper/aluminium connects the compositions such as row, cable is connected row through wire inlet unit opening part cable cover(ing) and connects with box house, connect row's conductor and adopt copper pigtail sub-connection through casing insulating barrier and tube type bus link, can easily wire inlet unit connection end be made to sealed insulation parcel with pipe bus connection end with silica gel sleeve pipe like this.
Between pipe bus straightway and between wire inlet unit and straightway, be connected the mode that adopts copper pigtail to be flexible coupling.Because wind tower is a flexible body, the maximum amplitude of oscillation in pylon top is ± 1.5 meters, tube type bus is because mounting process simplification, straightway section length is greater than other form bus section length, so be designed to be flexible coupling, whole like this pylon swings can not affected to some extent on bus, simultaneously, also reduce installation difficulty, improved the stability of overall use.
Pipe bus practical application effect:
Tube type bus groove has done main electrical parameters detection, and under regulation temperature rise etc. requires, single tube type bus ampacity is far longer than the single ampacity of other form bus ducts, and the Check and Inspection of tube type bus is reported as follows:
Low-pressure electronic equipment product Quality Supervision and Inspection Center of Jiangsu Province.
Survey report
Assay
Claims (5)
1. wind-driven generator tube type bus groove, it is characterized in that by mounting bracket, pipe bus, crossbeam, metallic shield net composition, described mounting bracket have L shaped on, lower carriage plate (2), (5), the horizontal plane of lower carriage plate (5) is connected with first bolt (6) of the inwall of the tubular pylon of blower fan welding, on, lower carriage plate (2), (5) between vertical face, there is caoutchouc elasticity bearing (3), caoutchouc elasticity bearing (3) is cylindrical, by the second bolt and upper, lower carriage plate connects, crossbeam (1) axially has some holes, and be connected with horizontal plane and the gauze screen installation support plate (7) of upper bracket plate (2) by the 3rd bolt, gauze screen is installed support plate (7) and is connected by the 4th bolt with the sidewall of metallic shield net (14), two anchor ears (9) are by insulating washer (10) grip tube bus (8), and be connected with crossbeam (1) by the 5th bolt, the 5th disk spring washer for bolt (12) is locking, between pipe bus (8) and between pipe bus and inlet wire case (11), be connected by flexible piece, a whole set of pipe bus in tubular pylon from top to bottom is covered by metallic shield net (14).
2. wind-driven generator tube type bus groove according to claim 1, it is characterized in that the cable cover(ing) that generator cable passes on inlet wire case (11) connects with the row that is connected in inlet wire case (11), the outer connection row leading-out terminal of inlet wire case (11) is connected with the splicing ear of pipe bus termination by flexible piece and uses silica gel sheath sealed insulation parcel, has mounting panel (13) to be connected with tubular pylon on inlet wire case (11).
3. wind-driven generator tube type bus groove according to claim 1, is characterized in that the pipe bus on crossbeam is phase three-wire three or three-phase and four-line or Three-phase five-wire side by side.
4. wind-driven generator tube type bus groove according to claim 1, is characterized in that upper and lower supporting plate (2), (5) are by steel wire (4) ground connection.
5. wind-driven generator tube type bus groove according to claim 1, is characterized in that pipe bus surface parcel mica layer, then wraps heat-resistant insulating layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320674394.XU CN203787906U (en) | 2013-10-30 | 2013-10-30 | Tubular bus duct for wind driven generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320674394.XU CN203787906U (en) | 2013-10-30 | 2013-10-30 | Tubular bus duct for wind driven generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203787906U true CN203787906U (en) | 2014-08-20 |
Family
ID=51324060
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320674394.XU Expired - Fee Related CN203787906U (en) | 2013-10-30 | 2013-10-30 | Tubular bus duct for wind driven generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203787906U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111342408A (en) * | 2020-03-03 | 2020-06-26 | 赵光宇 | Electric power busbar |
-
2013
- 2013-10-30 CN CN201320674394.XU patent/CN203787906U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111342408A (en) * | 2020-03-03 | 2020-06-26 | 赵光宇 | Electric power busbar |
| CN111342408B (en) * | 2020-03-03 | 2021-11-19 | 深圳辰汉技术有限公司 | Electric power busbar |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140820 Termination date: 20181030 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |