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CN-121976914-A - Wind tunnel type wind generating set

CN121976914ACN 121976914 ACN121976914 ACN 121976914ACN-121976914-A

Abstract

A wind tunnel type wind generating set belongs to the technical field of wind power generation. The wind driven generator comprises a horizontal-axis wind driven generator I with a main shaft rotating anticlockwise, a horizontal-axis wind driven generator II with the main shaft rotating clockwise, a shaft coupling wind wheel device, an air inlet cylinder, an air outlet cylinder and a steel structure tower, wherein the wind driven generator I, the wind driven generator II and the shaft coupling wind wheel device are all arranged on the steel structure tower, a wind wheel is arranged in the steel structure sleeve, two ends of the wind wheel shaft respectively extend out of the steel structure sleeve and are respectively connected with the main shaft of the wind driven generator I and the wind driven generator II, the middle lower part of the steel structure sleeve is connected with the air inlet cylinder, the middle mountain part is connected with the air outlet cylinder, the air inlet and the air outlet of the steel structure sleeve are arranged in a staggered mode, the air inlet cylinder is of a reducing and bending structure, the air flow is boosted and accelerated through the air inlet cylinder to enter the steel structure sleeve, the steel structure sleeve is driven to rotate through space diffusion of the steel structure sleeve, the wind driven generator I and the wind driven generator II are driven to rotate to generate electricity, and the power generation efficiency is doubled.

Inventors

  • CHEN FENGLING
  • CHEN SIYU

Assignees

  • 万福腾达风力发电(辽宁)有限公司

Dates

Publication Date
20260505
Application Date
20260310

Claims (10)

  1. 1. A wind tunnel type wind generating set is characterized by comprising a horizontal axis wind driven generator I with a main shaft rotating anticlockwise, a horizontal axis wind driven generator II with a main shaft rotating clockwise, a shaft coupling wind wheel device, an air inlet barrel, an air outlet barrel and a steel tower, wherein the wind driven generator I, the wind driven generator II and the shaft coupling wind wheel device are all arranged on the steel tower, wind wheels are arranged in the steel sleeve, two ends of the wind wheel shaft extend out of the steel sleeve respectively and are connected with the main shafts of the wind driven generator I and the wind driven generator II respectively, the middle lower part of the steel sleeve is connected with the air inlet barrel, the middle mountain part of the steel sleeve is connected with the air outlet barrel, the air inlet barrel and the air outlet of the steel sleeve are arranged in a staggered mode, the air inlet barrel is of a variable diameter bending structure, the air flow is pressurized and accelerated to enter the steel sleeve, and the steel sleeve is driven to rotate through spatial diffusion of the steel sleeve to drive the wind driven generator I and the wind driven generator II to rotate to generate electricity.
  2. 2. The wind tunnel type wind generating set according to claim 1, wherein the air inlet cylinder comprises an air tunnel I and an air tunnel II which are connected with each other, the air tunnel I and the air tunnel II are provided with at least one arc bend, the end part of the air tunnel I is provided with an air inlet, the inner diameter of the air tunnel I is gradually reduced from the air inlet end to the air outlet end, the bending angle alpha of the air tunnel I is 120-135 degrees, the inner diameter of the air tunnel II is gradually increased from the air inlet end to the air outlet end, the air inlet end of the air tunnel II is higher than the bending position of the air tunnel II, the bending angle beta of the air tunnel II is 45-60 degrees, and connecting flanges are arranged at the connecting part of the air tunnel I and the air tunnel II, the air outlet end of the air tunnel II and the steel sleeve air inlet, and the steel sleeve air outlet and the air outlet cylinder.
  3. 3. The wind tunnel type wind generating set according to claim 2, wherein the end part of the air inlet, provided with the air inlet, of the air inlet pipe is of a concave structure, the cross section of the concave structure of the air inlet is of a U-shaped structure, the diameter of the bottom end of the U-shaped structure is 120-150% of the inner diameter D2 of the joint of the air inlet I and the air inlet II, and the maximum inner diameter D3 of the port of the U-shaped structure is 150-160% of the inner diameter D2.
  4. 4. A wind tunnel type wind generating set according to claim 3, wherein the height h1 of the bottom end of the air inlet of the air tunnel I higher than the top end of the air outlet end is 36-40cm, the low-pressure area of the air tunnel I is the bending position from the air inlet to the air tunnel I, and the length L1 of the low-pressure area of the air tunnel I is 70-80cm.
  5. 5. A wind tunnel type wind generating set according to claim 3, wherein the maximum inner diameter D4 of the wind tunnel I is 160-170% of D2.
  6. 6. A wind tunnel type wind generating set according to claim 3, wherein the maximum inner diameter D5 of the air tunnel II is 180-190% of D2.
  7. 7. The wind tunnel type wind generating set according to claim 2, wherein the inner diameter D6 of the air inlet of the steel sleeve is 150-160% of D2.
  8. 8. The wind tunnel type wind generating set according to claim 2, wherein the inner diameter D7 of the air outlet of the steel sleeve is 160-170% of D2.
  9. 9. The wind tunnel type wind generating set according to claim 2, wherein the maximum inner diameter D8 of the wind outlet barrel is 180-200% of D2, and the length L2 of the wind outlet barrel is 180-220cm.
  10. 10. A wind tunnel type wind generating set according to claim 2, wherein the distance between the steel sleeve and the wind wheel end is 15-20cm.

Description

Wind tunnel type wind generating set Technical Field The invention belongs to the technical field of wind power generation, and particularly relates to a wind tunnel type wind generating set. Background The wind power generator is a power generation device for converting mechanical energy into electric energy through rotation of a wind wheel, and the basic structure of the wind power generator comprises a wind wheel, a transmission system, a generator system and the like, wherein the wind power generator is provided with a main shaft clockwise rotation power generation type, a main shaft anticlockwise rotation power generation type, a two-stage wind wheel wind power generator and a wind drum type, sleeve type and diffusion drum type enhanced wind power generator which rotate oppositely. Disclosure of Invention Aiming at the technical problems, the invention provides a wind tunnel type wind power generator set, which adopts a wind wheel device to symmetrically drive two groups of wind power generators with symmetrical horizontal shafts to simultaneously rotate, and each generator generates power respectively, so that the generated energy is multiplied, and the wind energy conversion utilization rate is increased. The aim of the invention is realized by the following technical scheme: The invention relates to a wind tunnel type wind generating set which is characterized by comprising a horizontal axis wind driven generator I with a main shaft rotating anticlockwise, a horizontal axis wind driven generator II with the main shaft rotating clockwise, a shaft coupling wind wheel device, an air inlet cylinder, an air outlet cylinder and a steel tower, wherein the wind driven generator I, the wind driven generator II and the shaft coupling wind wheel device are all arranged on the steel tower, the shaft coupling wind wheel device is provided with wind wheels in a steel sleeve, two ends of the wind wheel shaft extend out of the steel sleeve respectively and are respectively connected with the main shafts of the wind driven generator I and the wind driven generator II, the middle lower part of the steel sleeve is connected with the air inlet cylinder, the middle mountain part of the steel sleeve is connected with the air outlet cylinder, the air inlet cylinder and the air outlet of the steel sleeve are arranged in a staggered way, the air inlet cylinder is of a variable diameter bending structure, the air flow is boosted and accelerated to enter the steel sleeve through the space diffusion of the steel sleeve to drive the wind wheels to rotate, and the wind driven generator I and the wind driven generator II to generate electricity. Further, the air inlet cylinder comprises an air channel I and an air channel II which are connected with each other, the air channel I and the air channel II are provided with at least one arc bend, the end part of the air channel I is provided with an air inlet, the inner diameter of the air channel I from the air inlet end to the air outlet end of the air channel I is gradually reduced, the bending angle alpha of the air channel I is 120-135 degrees, the inner diameter of the air channel II from the air inlet end to the air outlet end of the air channel II is gradually increased, the air inlet end of the air channel II is higher than the bending position of the air channel II, and connecting flanges are arranged at the connecting part of the air channel I and the air channel II, the air outlet end of the air channel II and the air inlet of the steel sleeve, and the air outlet of the steel sleeve and the air outlet cylinder. Further, the end part of the air inlet, which is arranged on the air channel I of the air inlet cylinder, is of a concave structure, the section of the concave structure of the air inlet is of a U-shaped structure, the diameter of the bottom end of the U-shaped structure is 120-150% of the inner diameter D1 of the air inlet at the joint of the air channel I and the air channel II, and the maximum inner diameter D3 of the port of the U-shaped structure is 150-160% of the inner diameter D2. Further, the height h1 of the bottom end of the air inlet of the air channel I, which is higher than the top end of the air outlet end of the air channel I, is 36-40cm, the low-pressure area of the air channel I is the bending position from the air inlet to the air channel I, and the length L1 of the low-pressure area of the air channel I is 70-80cm. Further, the maximum inner diameter D4 of the air duct I is 160-170% of the maximum inner diameter D2. Further, the maximum inner diameter D5 of the air duct II is 180-190% of the maximum inner diameter D2. Further, the inner diameter D6 of the air inlet of the steel sleeve is 150-160% of that of the D2. Further, the inner diameter D7 of the air outlet of the steel sleeve is 160-170% of that of D2. Further, the maximum inner diameter D8 in the air outlet cylinder is 180-200% of D2, and the length L2 of the air outlet cylinder is 180-22