CN-116552721-B - Marine floating device and marine photovoltaic system

CN116552721BCN 116552721 BCN116552721 BCN 116552721BCN-116552721-B

Abstract

The present disclosure relates to an offshore floating device and an offshore photovoltaic system, the floating device comprising a floating part and a fixing part, the floating part comprising a first floating body comprising a first floating ring and a first pulling net connected to an inner ring of the first floating ring, the first pulling net being used for arranging electrical parts, a second floating body for mounting a photovoltaic panel, and a supporting part comprising a plurality of supporting rods supported between the first floating body and the second floating body, the fixing part comprising a plurality of anchor piles for fixing to a sea bed, and a plurality of ropes connected between the anchor piles and the first floating body, the floating part being arranged such that the first pulling net is located above a sea surface when floating from the floating and carrying photovoltaic panel. The electric parts are arranged on the first pull net, so that the gravity center of the floating device can be reduced, and the bearing area of the sea wave flapping can be reduced through the interval arrangement of the supporting rods, so that the stability of the device is effectively improved. The first pull net is positioned above the sea surface, so that potential safety hazards caused by long-time water soaking of the electric parts can be avoided.

Inventors

GUO CHANGFENG
SUN KUI
TANG YANG

Assignees

国华能源投资有限公司

Dates

Publication Date: 20260508
Application Date: 20230518

Claims (10)

1. An offshore floating device for carrying a photovoltaic panel, characterized in that the floating device comprises a floating part and a fixed part, wherein, The float includes: The first floating body is used for floating on the sea surface and comprises a first floating ring and a first pull net connected with the inner ring of the first floating ring, and the first pull net is used for arranging electric parts; A second floating body for mounting the photovoltaic panel and disposed above the first floating body, and A supporting part including a plurality of supporting rods supported between the first floating body and the second floating body, The fixing portion includes: A plurality of anchor piles for fixing to the seabed, and A plurality of ropes connected between the respective anchor piles and the first floating body, Wherein the floating part is arranged such that the first trawl is located above the sea surface when floating on its own and carrying the photovoltaic panel.
2. The marine floating device as claimed in claim 1, wherein the second floating body comprises a second floating ring and a second trawl connected to an inner ring of the second floating ring, a side of the second trawl facing away from the support bar being used for mounting the photovoltaic panel.
3. The offshore flotation device of claim 2 wherein the first flotation ring and the second flotation ring are the same and the first trawl and the second trawl are the same.
4. An offshore floating unit according to claim 2, wherein a plurality of the support rods are supported circumferentially equidistant between the first floating collar and the second floating collar.
5. The marine floating device as claimed in claim 4, wherein the first and second floating rings are made of steel material, and a plurality of the support rods are welded to the first and second floating rings, respectively.
6. The offshore flotation device of claim 2 wherein the first flotation ring and the second flotation ring are hollow.
7. The marine floating device according to claim 2, wherein the first and second trawl consist of a plurality of steel ropes, wherein the first and second floating rings are provided with adjusting members for adjusting the tightness of the first and second trawl, respectively.
8. An offshore floating device as claimed in any one of claims 1 to 5, wherein a plurality of the support rods are configured to be adjustable in length.
9. An offshore floating unit according to claim 1, further comprising a dampening means provided on the rope, the dampening means being configured to deform to prevent the tension from increasing when the tension experienced by the rope reaches a preset value.
10. An offshore photovoltaic system comprising a photovoltaic panel and an offshore floating device according to any one of claims 1-9, wherein the photovoltaic panel is mounted on the second floating body.

Description

Marine floating device and marine photovoltaic system Technical Field The present disclosure relates to the field of photovoltaic power generation, and in particular, to an offshore floating device and an offshore photovoltaic system. Background Offshore photovoltaic power generation is a technology in which photovoltaic panels are floated on the sea for absorbing solar energy to generate electricity. At present, there are mainly two kinds of floating devices for installing photovoltaic panels, namely, a floating device for a flexible photovoltaic panel and a floating device for a rigid photovoltaic panel. The floating device for the flexible photovoltaic panel is characterized in that the photovoltaic panel clings to the water surface, the cooling effect of water can promote the power generation efficiency of the photovoltaic panel, however, the floating device for the flexible photovoltaic panel clings to the water surface, so that the material is soft, fatigue damage is easy to occur under the action of ocean waves for a long time, and the flexible photovoltaic cell is easy to be damaged due to large deformation under the action of large wind waves. The floating device for the hard light Fu Banpiao is characterized in that the photovoltaic panel is arranged on the box-type floating bodies, the box-type floating bodies are connected with each other to form a photovoltaic array, and the floating photovoltaic device overcomes the defect of the floating device for the flexible photovoltaic panel, but is subjected to wave impact for a long time, and is easy to damage or turn over by wind and waves. In order to solve the problem that the floating device for the rigid photovoltaic panel is easy to turn over by wind and sea waves, in the related art, the floating body of the floating device for the rigid photovoltaic panel is usually irrigated or a weight block is additionally arranged to improve the stability of the device, but the phase change increases the weight of the whole device. Disclosure of Invention It is an object of the present disclosure to provide an offshore floating device and an offshore photovoltaic system to at least partially solve the problems existing in the related art. In order to achieve the above object, the present disclosure provides an offshore floating device for carrying a photovoltaic panel, the floating device comprising a floating part and a fixing part, wherein the floating part comprises a first floating body for floating on the sea surface and comprising a first floating ring and a first pulling net connected to an inner ring of the first floating ring, the first pulling net being used for arranging electrical components, a second floating body for mounting the photovoltaic panel and being arranged above the first floating body, and a supporting part comprising a plurality of supporting rods supported between the first floating body and the second floating body, the fixing part comprising a plurality of anchor piles for fixing on the sea bed, and a plurality of ropes connected between the corresponding anchor piles and the first floating body, wherein the floating part is arranged such that the first pulling net is located above the sea surface when floating the photovoltaic panel is self-floated and carried. Optionally, the second floating body comprises a second floating ring and a second pull net connected with the inner ring of the second floating ring, and one side of the second pull net, which is away from the supporting rod, is used for installing the photovoltaic panel. Optionally, the first floating ring and the second floating ring are the same, and the first trawl and the second trawl are the same. Optionally, a plurality of the support rods are supported between the first floating ring and the second floating ring at equal intervals in the circumferential direction. Optionally, the first floating ring and the second floating ring are made of steel, and the plurality of support rods are welded with the first floating ring and the second floating ring respectively. Optionally, the first floating ring and the second floating ring are hollow. Optionally, the first pull net and the second pull net are composed of a plurality of steel ropes, wherein the first floating ring and the second floating ring are respectively provided with an adjusting piece for adjusting the tightness of the steel ropes. Optionally, a plurality of the support bars are configured to be adjustable in length. Optionally, a damping device is provided on the rope, the damping device being configured to deform to prevent the tension from increasing when the tension to which the rope is subjected reaches a preset value. According to a second aspect of the present disclosure there is provided an offshore photovoltaic system comprising a photovoltaic panel and an offshore floating device as described above, wherein the photovoltaic panel is mounted on the second floating body. Through above-mentioned