CN217883263U

CN217883263U - Photovoltaic floating system and photovoltaic power station

Info

Publication number: CN217883263U
Application number: CN202220589267.9U
Authority: CN
Inventors: 杨成林; 苏江; 吴昊; 吴维武
Original assignee: Sunshine Water Surface Photovoltaic Technology Co ltd
Current assignee: Sunshine Water Surface Photovoltaic Technology Co ltd
Priority date: 2022-03-17
Filing date: 2022-03-17
Publication date: 2022-11-22
Anticipated expiration: 2032-03-17

Abstract

The utility model discloses a photovoltaic floating system and photovoltaic power plant, include: the device comprises a floating body platform, a component bracket and a driving component, wherein the floating body platform is used for being anchored in the water body in a submerged or semi-submerged mode; the assembly bracket is used for supporting the photovoltaic assembly and is rotatably arranged above the floating body platform, and the rotating axis of the assembly bracket is arranged along the vertical direction; the driving assembly is arranged on the floating body platform and is in transmission connection with the assembly bracket. This photovoltaic floating system through operation drive assembly, can drive the rotation of subassembly bracket holder, rotates the in-process and need not be with the help of peripheral rivers or air current, consequently can the influence of factors such as greatly reduced wind, rivers, and then can make the photovoltaic module of installing on the subassembly bracket holder track the sun orbit more accurately, has promoted photovoltaic power generation efficiency greatly.

Description

Photovoltaic floating system and photovoltaic power station

Technical Field

The utility model relates to a photovoltaic power generation technical field, more specifically say, relate to a photovoltaic floating system and photovoltaic power plant.

Background

In recent years, with the rapid development of the photovoltaic industry, large photovoltaic power stations grow rapidly, and particularly, photovoltaic power stations floating on the water surface develop rapidly. Compared with a ground power station, the water surface photovoltaic power station does not occupy land resources, and is very suitable for the middle east region with rich water resources and deficient land resources. Moreover, the water surface photovoltaic power station also enjoys the technical advantages, because the water body has a cooling effect on the photovoltaic components, the temperature rise of the surfaces of the components can be inhibited, the radiation from the surfaces of the water body can be reduced, and the overall power generation is about 10 to 15 percent higher than that of a roof or ground photovoltaic power generation system under the same condition.

Most of the existing photovoltaic floating systems are in fixed certain positions and do not track the sun track. Although some tracking type floating square matrixes appear on the market, the structure mainly adopts a propeller propulsion mode, water flow or air flow around the floating square matrixes are stirred through the propellers, and then the floating square matrixes are propelled and rotated.

In summary, how to solve the problem that the photovoltaic floating system is difficult to accurately track the solar track, which results in low photovoltaic power generation efficiency, has become a problem to be solved urgently by those skilled in the art.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model provides a photovoltaic floating system and photovoltaic power plant to it is difficult to the problem that the sun orbit accuracy was tracked and is leaded to the generated energy to reduce to solve photovoltaic floating system.

In order to achieve the above purpose, the utility model provides a following technical scheme:

a photovoltaic flotation system comprising:

the floating body platform is used for anchoring in the water body in a submerged or semi-submerged mode;

the assembly bracket is used for supporting the photovoltaic assembly and is rotatably arranged above the floating body platform, and the rotating axis of the assembly bracket is arranged along the vertical direction;

and the driving component is arranged on the floating body platform and is in transmission connection with the component bracket.

Optionally, the driving assembly includes a driving motor disposed on the floating platform and a rotator in transmission connection with an output end of the driving motor, and the rotator rotates to drive the assembly holder to rotate.

Optionally, the rotating body is a rotating tray rotatably disposed on the floating body platform, the assembly bracket is fixedly disposed on the rotating tray, and a rotating axis of the rotating body coincides with a rotating axis of the assembly bracket.

Optionally, the outer contour of the component holder is circular, the rotor is in transmission connection with the outer contour of the component holder, and the rotation axis of the rotor is parallel to the rotation axis of the component holder.

Optionally, the number of the rotating bodies is multiple and the rotating bodies are arranged at equal intervals along the outer contour of the component bracket.

Optionally, the rotating body is in transmission connection with the outer contour of the component bracket through a chain transmission connection, a belt transmission connection or a gear engagement.

Optionally, an anchoring assembly is included that anchors the component holder in a manner that allows the component holder to rotate.

Optionally, the anchoring assembly includes a plurality of anchoring ropes and rope retracting mechanisms corresponding to the anchoring ropes one to one, one end of each anchoring rope is fixedly connected to the assembly bracket, the other end of each anchoring rope is coiled in the rope retracting mechanism in a retractable manner, and the rope retracting mechanisms maintain a preset tension on the anchoring ropes.

Optionally, the outer contour of the component holder is rectangular, and two anchoring ropes are fixedly connected to corners of each component holder.

Optionally, the anchoring assembly includes a plurality of anchoring ropes and rope retracting mechanisms corresponding to the anchoring ropes one to one, one end of each anchoring rope is fixedly connected to the assembly bracket, the other end of each anchoring rope is fixed to the bottom of the water body, the middle of each anchoring rope is coiled on the rope retracting mechanism in a retractable manner, and the rope retracting mechanism maintains a preset tension on the anchoring rope.

Compared with the introduction content of the background art, the photovoltaic floating system comprises: the device comprises a floating body platform, a component bracket and a driving component, wherein the floating body platform is used for being anchored in the water body in a submerged or semi-submerged mode; the assembly bracket is used for supporting the photovoltaic assembly and is rotatably arranged above the floating body platform, and the rotating axis of the assembly bracket is arranged along the vertical direction; the driving assembly is arranged on the floating body platform and is in transmission connection with the assembly bracket. This photovoltaic floating system, in the practical application in-process, because the subassembly support bracket sets up in the top of body platform with rotatable mode, and with set up in the drive assembly transmission of body platform and be connected, and body platform anchor in the water, therefore, through operation drive assembly, can drive the rotation of subassembly support bracket, the rotation in-process need not be with the help of peripheral rivers or air current, consequently can greatly reduced wind, the influence of factors such as rivers, and then can make the photovoltaic module of installing on the subassembly support bracket more accurately track the sun orbit, photovoltaic power generation efficiency has been promoted greatly.

Additionally, the utility model also provides a photovoltaic power plant, including photovoltaic floating system, and this photovoltaic floating system is the photovoltaic floating system that any above-mentioned scheme described. Because this photovoltaic floats system has above-mentioned technological effect, consequently the photovoltaic power plant that has this photovoltaic floats system also should have corresponding technological effect, and no longer give unnecessary details here.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a photovoltaic floating system provided by an embodiment of the present invention;

FIG. 2 is a schematic view of an arrangement of a rotor when the assembly holder according to an embodiment of the present invention adopts a circular ring-shaped configuration;

fig. 3 is a schematic diagram of a specific structure of a component holder according to an embodiment of the present invention, in which an outer contour is a circular ring structure;

fig. 4 is a schematic view of a partial top view structure of the floating body platform, the assembly holder and the photovoltaic assembly provided by the embodiment of the present invention;

fig. 5 is a schematic structural diagram of an anchoring assembly according to an embodiment of the present invention.

Wherein, in fig. 1-5:

the device comprises a floating body platform 1, an anchor rope 11, an anchor block 12, a component bracket 2, a photovoltaic component 3, a driving component 4, a driving motor 41, a rotating body 42, an anchoring component 5, an anchoring rope 51, a rope retracting mechanism 52 and a horizontal plane 6.

Detailed Description

The core of the utility model lies in providing a photovoltaic floating system and photovoltaic power plant to it is difficult to the accurate problem that leads to the generated energy to reduce of solar orbit to solve photovoltaic floating system.

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

Referring to fig. 1-5, an embodiment of the present invention provides a photovoltaic floating system, including a floating body platform 1, a component bracket 2 and a driving component 4, wherein the floating body platform 1 is used for anchoring in water in a submerged or semi-submerged manner; the component support bracket 2 is used for supporting the photovoltaic component 3 and is rotatably arranged above the floating body platform 1, and the rotating axis of the component support bracket 2 is arranged along the vertical direction; the driving component 4 is arranged on the floating platform 1 and is in transmission connection with the component bracket 2.

This photovoltaic floating system, in the practical application in-process, because the subassembly support bracket sets up in the top of body platform with rotatable mode, and with set up in the drive assembly transmission of body platform and be connected, and body platform anchor in the water, therefore, through operation drive assembly, can drive the rotation of subassembly support bracket, the rotation in-process need not be with the help of peripheral rivers or air current, consequently can greatly reduced wind, the influence of factors such as rivers, and then can make the photovoltaic module of installing on the subassembly support bracket more accurately track the sun orbit, photovoltaic power generation efficiency has been promoted greatly.

It should be noted here that the floating platform 1 generally needs to be anchored, and in particular, can be anchored to the bottom of the body of water by anchor lines 11 in cooperation with anchor blocks 12. In addition, the water body can be a river, a lake or sea water, and can also be an artificial water area, which is not limited in more detail.

It should be noted that the solar trajectories within a particular region for a particular region are known and relatively accurate data can be obtained by computational simulation. Therefore, when the driving rotation control of the assembly bracket 2 of the photovoltaic floating system is relatively accurate, the final tracking of the sun is also relatively accurate.

In some specific embodiments, the driving assembly 4 may specifically include a driving motor 41 disposed on the floating platform 1 and a rotating body 42 in transmission connection with an output end of the driving motor 41, and the rotating body 42 rotates to drive the assembly bracket 2 to rotate. The driving motor 41 drives the rotator 42 to drive the assembly holder 2, so that the control is more convenient and the control of the rotation angle is more accurate. It is understood that the above-mentioned manner of using the driving motor 41 to cooperate with the rotating body 42 is only an optional example of the embodiment of the present invention, and in the practical application process, other rotation driving manners commonly used by those skilled in the art may also be used, for example, a linear driving mechanism (such as an oil cylinder, an air cylinder, etc.) pushes a shift lever hinged thereto, the other end of the shift lever is fixed to the assembly bracket 2, and the mode of shifting the shift lever to swing to drive the assembly bracket 2 to rotate can be used, and in the practical application process, the configuration can be selected according to the practical requirements, and is not limited herein more specifically.

It should be noted that, the transmission mode between the output end of the driving motor 41 and the rotating body 42 may be a mode in which the output end is directly fixedly transmitted with the rotating body, or a mode in which the output end is transmitted by a gear set, a belt, or a chain, and the like.

In a further embodiment, referring to fig. 1, the rotator 42 may be designed to be rotatably disposed on a rotating tray of the floating platform 1, the component holder 2 is fixedly disposed on the rotating tray, and the rotation axis of the rotator 42 coincides with the rotation axis of the component holder 2. Through designing into this kind of structural style for drive assembly 4's drive mode is more direct, and the structure is simpler, and the fixed of subassembly bracket 2 is more reliable and more stable.

It should be noted that a plurality of rod members are generally disposed inside the outer contour of the assembly bracket 2 in a staggered or crossed arrangement, and the rod members can enhance the structure of the assembly bracket 2 and improve the supporting effect of the assembly bracket 2. And, a reinforcing structure, for example, a cross-shaped reinforcing bar member, etc. may be designed corresponding to the connection position with the rotating tray.

It will be understood, of course, that rotor 42 is configured to rotate the tray, and that other configurations are possible in practice. For example, the outer contour of the component holder 2 may be designed to be circular, the rotating body 42 is in transmission connection with the outer contour of the component holder 2, and the rotating axis of the rotating body 42 is parallel to the rotating axis of the component holder 2.

In a further embodiment, the number of the rotating bodies 42 may be one, or may be multiple, and when the number of the rotating bodies is multiple, it is generally preferable to design the rotating bodies to be arranged at equal intervals along the outer contour of the component holder 2, so that the driving of the component holder 2 is more stable and reliable, and in addition, the rotating bodies can also have a certain stabilizing effect on the air channel of the component holder 2, and can reduce the risk of the component holder 2 rolling over or deforming due to the influence of the external environment.

It should be noted that, the rotating body 42 and the outer contour of the component holder 2 may be connected through a chain transmission, a belt transmission, or a gear engagement transmission, and in the practical application process, the configuration may be selected according to the practical requirement, which is not limited in more detail herein.

In some specific embodiments, the photovoltaic flotation system described above may further include an anchor assembly 5, the anchor assembly 5 being primarily for anchoring the assembly holder 2, and the anchor assembly 5 being capable of allowing the assembly holder 2 to rotate. The component bracket 2 is anchored through the anchoring component 5, so that the component bracket 2 is more stable and reliable, and the influence of external environments such as wind and waves on the component bracket can be reduced.

In a further embodiment, the anchoring assembly 5 may specifically include a plurality of anchoring ropes 51 and rope retracting and releasing mechanisms 52 corresponding to the anchoring ropes 51 one by one, one end of each anchoring rope 51 is fixedly connected to the assembly bracket 2, the other end of each anchoring rope 51 is coiled on the rope retracting and releasing mechanism 52 in a retractable manner, and the rope retracting and releasing mechanism 52 maintains a preset tension on the anchoring rope 51. By designing the anchor assembly 5 into the above structure, the anchor rope 51 can be kept at the preset tension by the rope retracting mechanism 52, and therefore, when the driving assembly 4 drives and rotates the assembly bracket 2, the driving force can overcome the tension of the anchor rope 51, so that the anchor rope 51 is retracted on the rope retracting mechanism 52, the anchor assembly 5 is ensured not to influence the assembly bracket 2 to rotate along the solar track, and the assembly bracket 2 can be ensured to be stabilized.

It is understood that the above-mentioned rope retracting mechanism 52 is designed at the bottom of the water body, and the manner of winding the end portion of the anchoring rope 51 on the rope retracting mechanism 52 is only an example of the embodiment of the present invention, and in the practical application process, other structural forms can be designed, for example, one end of the anchoring rope 51 is fixedly connected with the assembly bracket 2, the other end of the anchoring rope 51 is fixed at the bottom of the water body, the middle portion of the anchoring rope 51 is wound on the rope retracting mechanism 52 in a retractable manner, and the rope retracting mechanism 52 keeps the preset tension on the anchoring rope 51. In the practical application process, the arrangement may be selected according to the practical requirement, which is not limited herein in more detail.

In a further embodiment, the outer contour of the component holder 2 may be designed to be rectangular, and the corners of each component holder 2 may be generally selected to fixedly connect two anchor lines 51. By designing into this kind of structural style for the anchor of anchor assembly is more stable. It is understood that the outer contour of the assembly holder 2 is designed to be rectangular, which is only an example of the embodiment of the present invention, and in practical applications, other structural forms may also be adopted, for example, the outer contour is diamond-shaped, other types of polygons, or other shapes designed according to requirements, which is not limited herein in more detail.

In addition, each embodiment in the present specification is described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments may be referred to each other.

It should be understood that the use of "system," "device," "unit," and/or "module" herein is merely one way to distinguish between different components, elements, components, parts, or assemblies of different levels. However, other words may be substituted by other expressions if they accomplish the same purpose.

As used in this application and the appended claims, the terms "a," "an," "the," and/or "the" are not intended to be inclusive in the singular, but rather are intended to be inclusive in the plural unless the context clearly dictates otherwise. In general, the terms "comprises" and "comprising" merely indicate that steps and elements are included which are explicitly identified, that the steps and elements do not form an exclusive list, and that a method or apparatus may include other steps or elements. An element defined by the phrase "comprising a … …" does not exclude the presence of additional identical elements in a process, method, article, or apparatus that comprises the element.

In the description of the embodiments herein, "/" means "or" unless otherwise specified, for example, a/B may mean a or B; "and/or" herein is merely an association relationship describing an associated object, and means that there may be three relationships, for example, a and/or B, and may mean: a exists alone, A and B exist simultaneously, and B exists alone. In addition, in the description of the embodiments of the present application, "a plurality" means two or more than two.

In the following, the terms "first", "second" are used for descriptive purposes only and are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature.

If used in this application, the flowcharts are intended to illustrate operations performed by the system according to embodiments of the present application. It should be understood that the preceding or following operations are not necessarily performed in the exact order in which they are performed. Rather, the various steps may be processed in reverse order or simultaneously. Meanwhile, other operations may be added to the processes, or a certain step or several steps of operations may be removed from the processes.

The principles and embodiments of the present invention have been explained herein using specific examples, and the above descriptions of the embodiments are only used to help understand the core concepts of the present invention. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims.

Claims

1. A photovoltaic flotation system, comprising:

a buoyant platform (1) for anchoring in a body of water in a submerged or semi-submerged manner;

the assembly support bracket (2) is used for supporting the photovoltaic assembly (3) and is rotatably arranged above the floating body platform (1), and the rotating axis of the assembly support bracket (2) is arranged along the vertical direction;

and the driving component (4) is arranged on the floating body platform (1) and is in transmission connection with the component bracket (2).

2. The photovoltaic floating system according to claim 1, wherein the driving assembly (4) comprises a driving motor (41) arranged on the floating body platform (1) and a rotating body (42) in transmission connection with an output end of the driving motor (41), and the rotating body (42) can rotate to drive the assembly bracket (2) to rotate.

3. The photovoltaic flotation system as claimed in claim 2, wherein the rotor (42) is a rotating tray rotatably mounted on the buoyant platform (1), the assembly holder (2) is fixedly mounted on the rotating tray, and the axis of rotation of the rotor (42) coincides with the axis of rotation of the assembly holder (2).

4. The photovoltaic flotation system as claimed in claim 2, wherein the outer contour of the component holder (2) is circular, the rotor (42) is in transmission connection with the outer contour of the component holder (2), and the rotation axis of the rotor (42) is parallel to the rotation axis of the component holder (2).

5. The photovoltaic flotation system as claimed in claim 4, wherein the number of rotors (42) is plural and arranged at equal intervals along the outer contour of the assembly holder (2).

6. A photovoltaic flotation system according to claim 4, wherein the rotor (42) is drivingly connected to the outer profile of the assembly holder (2) by means of a chain drive connection, a belt drive connection or a gear mesh.

7. The photovoltaic flotation system as claimed in claim 1, further comprising an anchoring assembly (5), the anchoring assembly (5) anchoring the assembly holder (2) in a manner allowing the assembly holder (2) to rotate.

8. The photovoltaic flotation system as claimed in claim 7, wherein the anchor assembly (5) comprises a plurality of anchor lines (51) and line retraction and release mechanisms (52) corresponding to the anchor lines (51) one by one, one end of the anchor lines (51) is fixedly connected with the assembly bracket (2), the other end of the anchor lines (51) is retractably coiled in the line retraction and release mechanisms (52), and the line retraction and release mechanisms (52) maintain a preset tension on the anchor lines (51).

9. The photovoltaic flotation system according to claim 8, wherein the assembly brackets (2) have a rectangular outer contour, and two anchoring lines (51) are fixedly connected to the corners of each assembly bracket (2).

10. The photovoltaic flotation system as claimed in claim 7, wherein the anchor assembly (5) comprises a plurality of anchor lines (51) and line retraction and release mechanisms (52) corresponding to the anchor lines (51) one by one, one end of the anchor lines (51) is fixedly connected with the assembly bracket (2), the other end of the anchor lines (51) is fixed to the bottom of the body of water, the middle part of the anchor lines (51) is retractably coiled in the line retraction and release mechanisms (52), and the line retraction and release mechanisms (52) maintain a preset tension on the anchor lines (51).

11. A photovoltaic power plant comprising a photovoltaic flotation system, characterized in that the photovoltaic flotation system is as claimed in any one of claims 1-10.