CN-121993352-A - High-altitude suspension type power generation device and system

CN121993352ACN 121993352 ACN121993352 ACN 121993352ACN-121993352-A

Abstract

The invention provides a high-altitude suspension type power generation device and a system, wherein the high-altitude suspension type power generation device comprises a floating assembly, a power generation unit and a posture regulation assembly, the floating assembly comprises a frame, an air bag and a mooring rope, the air bag is arranged on the frame in a flat plate shape, one end of the mooring rope is connected with the frame, the other end of the mooring rope is connected to a ground fixing device, the power generation unit is arranged on the frame and is positioned above the air bag, the posture regulation assembly comprises a winch, and a traction rope is wound on the winch and connected with the frame. The high-altitude suspension type power generation device provided by the invention not only reduces the windward side and improves the stability of the whole structure by virtue of the flat-plate type air bag design, but also provides a spacious and stable platform for the layout of a power generation unit, and simultaneously, the gesture of the floating assembly is adjusted by virtue of the gesture adjusting and controlling assembly, so that the stable gesture and the optimal power generation angle of the device in high altitude are ensured.

Inventors

LI ZHUOXIN
LIU XUEWU
ZHANG PENGYUAN
LI JIANBIAO
HOU YU
ZHAO JIAN
WANG ZISHUO

Assignees

中国华电科工集团有限公司
华电中光新能源技术有限公司

Dates

Publication Date: 20260508
Application Date: 20260123

Claims (10)

1. The high-altitude suspension type power generation device is characterized by comprising a floating assembly, a power generating set and a posture regulation assembly, wherein the floating assembly comprises a frame, an air bag and a mooring rope, the air bag is arranged on the frame in a flat plate shape, one end of the mooring rope is connected with the frame, the other end of the mooring rope is connected to a ground fixing device, the power generating set is arranged on the frame and located above the air bag, the posture regulation assembly comprises a winch, and a traction rope is wound on the winch and connected with the frame.
2. The overhead suspension power generation assembly of claim 1, wherein the floating assembly further comprises at least two guide wings symmetrically disposed on opposite sides of the air bag, wherein the airfoil sections of the guide wings are arranged in a symmetrical or arc form.
3. The overhead suspension power generation assembly of claim 1 wherein a plurality of compartments are provided within the air bag, each compartment having an inflation port and at least one pressure relief valve.
4.A high altitude suspension power generation device according to claim 3, wherein the compartment has a first wall and a second wall disposed opposite each other, a connecting band being provided between the first wall and the second wall, the material of the connecting band comprising fibers, and the direction of extension of the connecting band being coincident with the thickness direction of the air bag.
5. The high-altitude suspended power generation device according to claim 1, wherein a plurality of guide strips are arranged on the surface of the air bag, the thickness of the inflated air bag is set to be H, and the height of the guide strips is set to be 2-5%H%.
6. The overhead suspension power generation assembly of claim 5, wherein the levitation assembly further comprises a stabilizing fin disposed on a leeward side of the airbag, the stabilizing fin having a height of 5%H to 15% h and an angle of 5 ° to 15 °.
7. The overhead suspension power generation device according to claim 1, wherein the frame comprises a plurality of tension belts, the tension belts are crossed in a cross shape or a well shape or a triangle shape and are arranged on the outer side of the air bag, and the tension belts are made of aramid fibers or polyethylene fibers.
8. The overhead levitation type power generation device according to claim 1, wherein the attitude control assembly further comprises a wind speed and direction monitor and a controller, the wind speed and direction monitor is used for monitoring the wind speed and direction of the overhead levitation type power generation device, the power generation unit is provided with an impeller, and the controller is used for controlling the impeller to stop rotating when the wind speed collected by the wind speed and direction monitor is greater than a limiting threshold value.
9. The overhead levitation type power generation device according to claim 8, wherein the gesture control assembly further comprises a gesture monitor, a pressure monitor and a controller, the gesture monitor is used for monitoring the levitation gesture and the height of the overhead levitation type power generation device, the pressure monitor is used for monitoring the gas pressure in the air bag, and the controller is used for adjusting the levitation gesture of the overhead levitation type power generation device according to the data collected by the gesture monitor and the wind speed and direction monitor and controlling the gas pressure of the air bag and the retraction amount of the traction rope.
10. An overhead suspension power generation system comprising an overhead suspension power generation apparatus according to any of the preceding claims 1 to 9.

Description

High-altitude suspension type power generation device and system Technical Field The invention relates to the technical field of high-altitude power generation, in particular to a high-altitude suspension type power generation device and system. Background Wind energy is an important renewable energy source, and ground wind energy is developed more mature, but is influenced by factors such as topography, wind speed is unstable, and energy density is low. The airspace of hundreds to thousands of meters is rich and stable in wind energy resource, high in wind speed and stable in wind direction, and is little affected by the ground. In the related art, high altitude wind energy utilization devices mainly have kite type and airship type. However, the kite type power generation system is greatly influenced by high aerodynamic disturbance, the flight stability of the kite is poor, the direction and the size of the tension force are frequently changed, the power generation efficiency and the reliability are reduced, and the airship type power generation system has huge size and weak controllability of a windward surface, is extremely easy to generate posture deviation under the condition of crosswind, threatens the safety of the airship structure, and is difficult to achieve the aim of reliable and long-period operation. Disclosure of Invention In order to solve the problems in the related art, the invention provides the high-altitude suspension type power generation device and system, which not only have smaller windward area and improve the stability of the whole structure, but also facilitate the adjustment of the posture of the floating assembly through the posture adjusting and controlling assembly, thereby ensuring the stable posture and the optimal power generation angle of the device in high altitude. According to the first aspect of the application, the high-altitude suspension type power generation device comprises a floating assembly, a power generation unit and a posture regulation assembly, wherein the floating assembly comprises a frame, an air bag and a mooring rope, the air bag is arranged on the frame in a flat plate shape, one end of the mooring rope is connected with the frame, the other end of the mooring rope is connected to a ground fixing device, the power generation unit is arranged on the frame and located above the air bag, and the posture regulation assembly comprises a winch, and a traction rope is wound on the winch and connected with the frame. In some embodiments, the floating assembly further comprises at least two guide wings symmetrically arranged on two opposite sides of the air bag, wherein the airfoil section of the guide wings is arranged in a symmetrical or arc mode. In some embodiments, a plurality of compartments are provided within the airbag, each compartment having an inflation port and at least one pressure relief valve. In some embodiments, the compartment has a first wall and a second wall disposed opposite each other, a connecting band is disposed between the first wall and the second wall, the connecting band comprises fibers, and the connecting band extends in a direction consistent with a thickness direction of the airbag. In some embodiments, the surface of the air bag is provided with a plurality of guide strips, the thickness of the inflated air bag is set to be H, and the height of the guide strips is set to be 2% H to 5%H. In some embodiments, the float assembly further comprises a stabilizing fin disposed on the lee side of the air bag, the stabilizing fin having a height of 5%H to 15% h and an angle of 5 ° to 15 °. In some embodiments, the frame comprises a plurality of tensioning belts, the plurality of tensioning belts are arranged on the outer side of the air bag in a cross shape or a well shape or a triangle shape in a crossing manner, and the material of the tensioning belts comprises aramid fibers or polyethylene fibers. In some embodiments, the attitude control assembly further comprises a wind speed and direction monitor and a controller, wherein the wind speed and direction monitor is used for monitoring the wind speed and direction of the high altitude where the high altitude suspension type power generation device is located, the power generation unit is provided with an impeller, and the controller is used for controlling the impeller to stop rotating when the wind speed collected by the wind speed and direction monitor is greater than a limiting threshold value. In some embodiments, the attitude control assembly further comprises an attitude monitor, a pressure monitor and a controller, wherein the attitude monitor is used for monitoring the suspension attitude and the height of the high-altitude suspension power generation device, the pressure monitor is used for monitoring the gas pressure in the air bag, and the controller is used for adjusting the gas pressure of the air bag and the retraction amount of the traction rope according to the da