Classifications

• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
  • F03D—WIND MOTORS
  • F03D13/00—Assembly, mounting or commissioning of wind motors; Arrangements specially adapted for transporting wind motor components
  • F03D13/20—Arrangements for mounting or supporting wind motors; Masts or towers for wind motors
• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
  • F03D—WIND MOTORS
  • F03D80/00—Details, components or accessories not provided for in groups F03D1/00 - F03D17/00
  • F03D80/80—Arrangement of components within nacelles or towers
  • F03D80/82—Arrangement of components within nacelles or towers of electrical components
  • F03D80/85—Cabling
• • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
  • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
  • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
  • Y02E10/00—Energy generation through renewable energy sources
  • Y02E10/70—Wind energy
  • Y02E10/72—Wind turbines with rotation axis in wind direction
• • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
  • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
  • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
  • Y02E10/00—Energy generation through renewable energy sources
  • Y02E10/70—Wind energy
  • Y02E10/728—Onshore wind turbines

Definitions

• the present invention relates to the field of wind power generation technologies, and in particular, to a tower and a wind tower for wind power generation, and a wind power generation device. Background technique
• China's wind energy resources are very rich. According to incomplete statistics, China's available wind energy is 2.53 billion megawatts (MW).
• Wind power mainly relies on wind turbines to work under the action of wind to generate electricity.
• the wind turbine is located on the wind tower. When the wind turbine is working normally, the wind turbine is always aligned with the wind direction through the yaw system.
• the yaw system of the wind turbine realizes the relative rotation of the nacelle and the wind tower through the driving device and the yaw bearing, and adjusts the fan to ensure that the wind turbine of the wind turbine is always in the windward state.
• the wind tower includes a tower and a base.
• the power cables, control cables, etc. of the wind turbine are transmitted from the top of the wind turbine through the tower to the bottom of the tower.
• the middle part of the power cable and control cable is fixed by a single row or a Han cable clamp.
• Embodiments of the present invention provide a tower, a wind tower, and a wind power generation device for wind power generation to improve the safety of a wind power generator.
• An embodiment of the present invention provides a tower for wind power generation, including:
• a twisting cable redirection device located inside the tower, fixed to the wall of the cylinder for placing a cable led by the wind power generator and suppressing twisting of the cable;
• a cable clamp located below the twisted cable redirection device and connected to the wall for fixing the cable
• the twisted cable redirection device includes a beam body and two support members for supporting the beam body; the support member is fixed to the barrel wall.
• Embodiments of the present invention also provide a wind tower for wind power generation, including the above tower.
• the embodiment of the invention further provides a wind power generation device, comprising a wind power generator set, wherein the wind tower is further included; the wind tower is used to support the wind power generator set.
• the twisted cable redirection device in the tower supports the drooping cable, so that the twisting of the cable due to the yaw of the fan is limited to before the twisted cable is redirected to the device, thereby suppressing the twisting of the cable and avoiding The cable is accidentally broken due to twisting and breaking, which improves the safety of the cable, thereby improving the safety of the wind turbine and avoiding the occurrence of safety hazards.
• FIG. 1 is a schematic structural view of a tower for wind power generation according to an embodiment of the present invention
• FIG. 2 is a schematic view of the tower shown in FIG. 1 in an AA direction
• Figure 3 is a schematic view of the cable placed in the tower shown in Figure 2;
• Figure 5 is a plan view of the twisted cable redirection device shown in Figure 4.
• Figure 6 is a schematic view of the twisted cable redirection device shown in Figures 4 and 5;
• FIG. 7 is a schematic structural diagram of another tower for wind power generation according to an embodiment of the present invention. Detailed ways
• FIG. 1 is a schematic structural diagram of a tower for wind power generation according to an embodiment of the present invention.
• Figure 2 is a schematic view of the tower shown in Figure 1 in the AA direction.
• Figure 3 is a schematic view of the cable placed in the tower shown in Figure 2.
• the tower includes: a cylinder wall 11, a twisted cable redirecting device 12, and a cable clamp 15.
• the wall 11 is used to support the wind turbine.
• the twisted cable redirection device 12 is located inside the tower and is fixed to the wall 11 for placing the cable 16 from the wind turbine and suppressing the twist of the cable 16.
• the twisted cable redirecting device 12 includes a beam body 13 and two support members 14 for supporting the beam body 13. In this embodiment, the beam body 13 has a circular cross section.
• the beam body 13 may also have an elliptical cross section.
• the support member 14 is fixed to the cylinder wall 11.
• a cable clamp 15 is located below the twisted cable redirecting device 12 and is coupled to the tubular wall 11 for securing the cable 16.
• the cable 16 passes around the beam 13 and reaches the bottom of the tower.
• the cable 16 at the bottom of the tower can be secured by a cable clamp 15 on the wall 11.
• a twisted cable redirection device 12 is disposed inside the tower, and the cable 16 is suspended for a certain length before passing through the twisted cable reversing device 13 in the beam body 13, so that the cable 16 is only subjected to the gravity of the hanging portion, the fan. And the upward force of the beam body 13 is not affected by any other direction.
• the torsion deformation occurs only in the portion that is suspended before the beam body 13; even in the case where the fan is at the yaw limit position, only the portion of the cable 16 that is hanging down has the largest tensile deformation, and The torsional deformation of the cable is cut off from the beam body 13, so that the normal yaw requirement of the wind turbine is satisfied, and the twisted cable is not broken and deformed too much, which improves the safety of the wind turbine.
• the support member 14 may be provided with an adjusting portion for adjusting the position of the beam body;
• the beam body 13 may be located at the front end of the support member 14, or at the middle of the support member 14, or at the tail end of the support member 14. Both ends of the beam body 13 are connected to the adjustment portion.
• the adjusting portion may be a long slot body or a through hole.
• the adjusting portion is a through hole, there may be two through holes to improve the stability of the twisted cable redirecting device 12.
• the beam body 13 may include: a metal tube and a screw; the two ends of the metal tube are respectively provided with a metal plate including a connecting hole; the metal tube is sleeved on the screw, and both ends of the screw pass through The connecting hole is fixed to the support member 14. When there are two through holes as the adjusting portion, there are two corresponding screws.
• the metal pipe may be an iron pipe or a steel pipe.
• the metal plate is an iron plate.
• the metal plate is a steel plate.
• the twisted cable redirection device 12 may have a plurality of.
• Figure 5 is a top plan view of the twisted cable redirection device of Figure 4;
• the twisted cable redirection device includes a positionally adjustable steel pipe 46, a screw 43, a steel plate 41, a steel plate 42, a steel plate 47 and a standard connecting member 44, a connecting member 45, a connecting member 48, a connecting member 49, and a connecting member 410.
• the steel plate 41 and the steel plate 47 are coupled to the wall of the cylinder fixed to the tower.
• the steel plate 42 is provided with a circular hole for fixing the screw 43, and is coupled to the steel plate 41 and the steel plate 47.
• t is connected to the 1 ⁇ 2 plate 42.
• the steel pipe 46 is sleeved on the outer periphery of the screw 43 under the support of the steel plate 42.
• the screw 43 is coupled to the steel plate 41 through a circular hole in the steel plate 42. The position of the steel pipe 46 can be adjusted to the left and right along the through hole 411 of the steel plate 41, and adjusted to a suitable position by the connecting member 44, the connecting member 45 and the screw 43 to be fixed.
• FIG. 6 is a schematic view of the twisted cable redirection device shown in Figures 4 and 5.
• the yaw twist cable redirection device is welded and fixed to the cylinder wall 412 of the tower by a steel plate 47.
• the cable 413 hanging from the fan at the top of the tower is suspended around the steel pipe 46 of the yaw twist cable redirection device until the bottom of the tower, It is then fixed by a cable clamp connected by the wall 412 of the tower.
• the cable 413 is lowered to a certain height such as b before the yaw twisted cable is redirected to the steel tube 46 of the device.
• This height b can satisfy the maximum tensile state of the cable 413 when the fan is in the yaw limit position, and is free from other tensions except for its own weight, thereby ensuring the safety of the cable 413 when the fan is yawed.
• Cable 413 can include power cables, control cables, and the like.
• the tower used for wind power generation may include multiple twisted cable redirection devices due to the large number of cables it draws.
• FIG. 7 is a schematic structural diagram of another tower for wind power generation according to an embodiment of the present invention.
• the tower includes two twisted cable redirection devices, which are respectively disposed at different positions of the cylinder wall 71.
• the steel pipe 712 of the upper twist cable redirection device is adjusted to the right extreme position of the through hole 714 provided on the steel plate 713, and the steel pipe 722 of the lower twist cable redirection device is adjusted to the left extreme position of the through hole 724 provided on the steel plate 723.
• Cables hanging from the top of the tower can be divided into two groups of cables: one set of cables 73 and another set of cables 74.
• a set of cables 73 are redirected to the device via the upper twisted cable; another set of cables 74 is redirected around the twisted cable to the device.
• Separate cables hang down to the bottom of the tower and are secured by a Han-style cable clamp. In this way, by using two twisted cable redirection devices in combination, the cable safety is improved, and the heat dissipation problem caused by excessive cable and excessive density is solved.
• the wind tower for wind power generation provided by the embodiment of the invention comprises a tower, and the tower can be any tower provided by the above embodiments.
• the wind power generation device further provided by the embodiment of the present invention includes a wind power generator set, wherein the wind tower is further included; and the wind tower is used to support the wind power generator set.
• the wind tower may be the wind tower provided in the above embodiment.
• the tower for wind power generation suppresses the torsion of the cable during the yaw of the fan through the twisted cable redirection device, thereby avoiding the safety hazard of the cable being broken due to the torsion, effectively protecting the cable, and also protecting the cable.
• Wind turbines are not damaged, improving the safety of wind turbines.
• the twisted cable redirection device has a simple and compact structure, is convenient and convenient, and has high operability, and is advantageous for a wide range of applications.

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• Engineering & Computer Science (AREA)
• Life Sciences & Earth Sciences (AREA)
• Sustainable Development (AREA)
• Sustainable Energy (AREA)
• Chemical & Material Sciences (AREA)
• Combustion & Propulsion (AREA)
• Mechanical Engineering (AREA)
• General Engineering & Computer Science (AREA)
• Wind Motors (AREA)

Priority Applications (6)

Applications Claiming Priority (2)

Publications (1)

Family

ID=42156498

Family Applications (1)

Country Status (8)

Cited By (1)

Families Citing this family (22)

Citations (5)

Family Cites Families (4)

• 2009
  • 2009-10-27 CN CN2009102366007A patent/CN101701574B/zh active Active
• 2010
  • 2010-10-25 US US13/501,777 patent/US8578676B2/en active Active
  • 2010-10-25 CA CA2774876A patent/CA2774876A1/en not_active Abandoned
  • 2010-10-25 BR BR112012009551A patent/BR112012009551A2/pt not_active Application Discontinuation
  • 2010-10-25 WO PCT/CN2010/001690 patent/WO2011050570A1/zh not_active Ceased
  • 2010-10-25 AU AU2010312204A patent/AU2010312204A1/en not_active Abandoned
  • 2010-10-25 IN IN2787DEN2012 patent/IN2012DN02787A/en unknown
  • 2010-10-25 EP EP10825934.2A patent/EP2495439A4/en not_active Withdrawn

Patent Citations (5)

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