Connecting device and water floating type photovoltaic power generation system

By using a combination device of connecting rope and elastic parts in a floating photovoltaic power generation system on water, the fatigue problem of rigid connection parts under wind and wave impact is solved, elastic buffering and stable connection between floating bodies are achieved, and the service life of the system is extended.

CN222247578UActive Publication Date: 2024-12-27DAS SOLAR CO LTD
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Patent Information

Application Number
CN202421221583.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-30
Publication Date
2024-12-27
Estimated Expiration
2034-05-30

AI Technical Summary

Technical Problem

In existing floating photovoltaic power generation systems, rigid connections are prone to fatigue and damage under wind and wave impact, and cannot effectively buffer the opposite or backward movement of adjacent floating bodies.

Method used

Using a connecting device, including a connecting rope and an elastic member, one end of the connecting rope is connected to the first connecting member, and the other end is connected to the second connecting member, the elastic member is arranged outside the connecting rope, and the first connecting member is connected to one end of the elastic member , the second connecting member is connected to the other end of the elastic member to achieve elastic constraints of multiple degrees of freedom such as pulling, pressing, bending, shearing, and twisting, and buffering wind and waves.

Benefits of technology

Effectively avoid collisions between adjacent floating bodies, extend the service life of the connecting rope, and improve the stability and wear resistance of the system.

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Abstract

The utility model provides a connecting device and an overwater floating type photovoltaic power generation system, and relates to the technical field of overwater photovoltaic equipment. The connecting device comprises a connecting assembly, a connecting rope and an elastic piece; the connecting assembly comprises a first connecting piece and a second connecting piece which are oppositely arranged; the first connecting piece and the second connecting piece are both used for connecting a floating body with a photovoltaic module; one end of the connecting rope is connected with the first connecting piece; one end, far away from the first connecting piece, of the connecting rope is connected with the second connecting piece; the connecting rope is sleeved with the elastic piece, one end of the elastic piece is connected with the first connecting piece, and the end, away from the first connecting piece, of the elastic piece is connected with the second connecting piece. When the connecting device is connected with the floating body, the connecting device is not prone to being damaged under the impact of stormy waves.
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Description

Technical Field

[0001] The present application relates to the technical field of water-based photovoltaic equipment, and in particular to a connection device and a water-based floating photovoltaic power generation system. Background Art

[0002] The floating photovoltaic power generation system is a device that uses a floating body with photovoltaic modules on the water surface to generate electricity. In order to reduce the impact of wind and waves on the floating bodies, the floating bodies need to be connected. At present, the existing technology usually uses rigid connectors to connect adjacent floating bodies. However, under the long-term impact of wind and waves, the rigid connectors are prone to fatigue damage, and when adjacent buffers move toward or away from each other, the rigid connectors cannot effectively achieve buffering. Utility Model Content

[0003] In order to overcome the deficiencies in the prior art, the present application provides a connection device and a floating photovoltaic power generation system.

[0004] This application provides the following technical solutions:

[0005] In a first aspect, the present application provides a connection device, the connection device comprising:

[0006] A connection assembly, the connection assembly comprising a first connection member and a second connection member arranged opposite to each other; the first connection member and the second connection member are both used to connect a floating body with a photovoltaic assembly;

[0007] a connecting rope, one end of which is connected to the first connecting member, and one end of which is away from the first connecting member is connected to the second connecting member;

[0008] An elastic member, wherein the elastic member is sleeved on the outside of the connecting rope, one end of the elastic member is connected to the first connecting member, and one end of the elastic member away from the first connecting member is connected to the second connecting member.

[0009] In a possible embodiment, the connecting device also includes a first fixing member and a second fixing member; the first fixing member is arranged on the first connecting member and connected to one end of the connecting rope; the second fixing member is arranged on the second connecting member and connected to one end of the connecting rope away from the first connecting member.

[0010] In a possible implementation, one end of the connecting rope connected to the first fixing member and the first fixing member are both pre-buried in the first connecting member; one end of the connecting rope connected to the second fixing member and the second fixing member are both pre-buried in the second connecting member.

[0011] In a possible embodiment, one end of the connecting rope provided in the first connecting member has a first connecting hole, the first fixing member is passed through the first connecting member and the first connecting hole, and the first fixing member is connected to the first connecting member; one end of the connecting rope provided in the second connecting member has a second connecting hole, the second fixing member is passed through the second connecting member and the second connecting hole, and the second fixing member is connected to the second connecting member.

[0012] In a possible implementation manner, a first connecting portion and a second connecting portion are respectively provided at two opposite ends of the elastic member, the first connecting portion is connected to the first connecting member, and the second connecting portion is connected to the second connecting member.

[0013] In a possible implementation, the connecting rope includes a plurality of twisted monofilaments.

[0014] In the second aspect, the present application also provides a floating photovoltaic power generation system on water, which includes multiple floats, multiple groups of photovoltaic components and the above-mentioned connecting device; the photovoltaic components are arranged on the floats; the first connecting member and the second connecting member are respectively connected to the corresponding floats.

[0015] In a possible implementation manner, at least a portion of the first connecting member is pre-buried in the floating body.

[0016] In a possible implementation manner, an anti-wear component is provided between the floating body and the first connecting component.

[0017] In a possible implementation, the water floating photovoltaic power generation system further includes a mounting member, one end of which is fixed in the floating body, and the other end of which is connected to the first connecting member.

[0018] Compared with the prior art, the present invention has the following beneficial effects:

[0019] The connection device of the present application has one end of the connection rope connected to the corresponding floating body through the first connection piece, and the other end of the connection rope is connected to the corresponding floating body through the second connection piece, thereby connecting two adjacent floating bodies; the elastic member is sleeved on the outside of the connection rope, and the first connection piece is connected to the second connection piece through the elastic member. The connection device of the present application can realize elastic constraints of multiple degrees of freedom such as pulling, pressing, bending, shearing, and twisting. When two adjacent floating bodies move toward each other under the action of wind and waves, the elastic member is compressed to have a buffering effect and avoid collision between the two adjacent floating bodies.

[0020] In order to make the above-mentioned objects, features and advantages of the present application more obvious and understandable, preferred embodiments are given below and described in detail with reference to the attached drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings required for use in the embodiments will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the present utility model and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without paying creative work.

[0022] Figure 1 An exploded schematic diagram of a connecting device according to an embodiment of the present application is shown;

[0023] Figure 2 A schematic diagram of the three-dimensional structure of a connecting device according to an embodiment of the present application is shown;

[0024] Figure 3 An internal schematic diagram of a connecting device according to an embodiment of the present application is shown;

[0025] Figure 4 A schematic diagram of the three-dimensional structure of a connecting device according to another embodiment of the present application is shown;

[0026] Figure 5 A schematic diagram of a floating photovoltaic power generation system according to an embodiment of the present application is shown;

[0027] Figure 6 A schematic diagram showing the connection between a floating body and a first connecting member according to an embodiment of the present application is shown;

[0028] Figure 7 A schematic diagram showing the connection between a floating body and a first connecting member according to another embodiment of the present application is shown.

[0029] Description of main component symbols:

[0030] 100-connecting device; 110-first connecting member; 111-first fixing portion; 112-second fixing portion; 120-second connecting member; 130-connecting rope; 140-elastic member; 141-first connecting portion; 142-second connecting portion; 150-first fixing member; 160-second fixing member; 170-locking member;

[0031] 200-floating body;

[0032] 300- anti-wear parts;

[0033] 400-Mounting parts. DETAILED DESCRIPTION

[0034] The embodiments of the present application are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present application, and cannot be understood as limiting the present application.

[0035] In the description of the present application, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present application.

[0036] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of the features. In the description of this application, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0037] In this application, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0038] In the present application, unless otherwise clearly specified and limited, a first feature being “above” or “below” a second feature may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, a first feature being “above”, “above”, and “above” a second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. A first feature being “below”, “below”, and “below” a second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.

[0039] Embodiment 1

[0040] See also Figure 1 and Figure 2 In one embodiment of the present application, a connection device 100 is provided. The connection device 100 is used to connect adjacent floating bodies 200 to reduce the impact of wind and waves on the floating bodies 200.

[0041] The floating bodies 200 in this embodiment are all provided with photovoltaic components.

[0042] See also Figure 1 and Figure 2 The connecting device 100 includes a connecting component, a connecting rope 130 and an elastic member 140 .

[0043] The connection assembly includes a first connection member 110 and a second connection member 120 that are arranged opposite to each other; the first connection member 110 and the second connection member 120 are both used to connect the floating body 200 .

[0044] One end of the connecting rope 130 is connected to the first connecting member 110, and the end of the connecting rope 130 away from the first connecting member 110 is connected to the second connecting member 120. One end of the connecting rope 130 is connected to the corresponding floating body 200 through the first connecting member 110, and the other end of the connecting rope 130 is connected to the corresponding floating body 200 through the second connecting member 120, thereby connecting two adjacent floating bodies 200.

[0045] The elastic member 140 is sleeved on the outside of the connecting rope 130 , and one end of the elastic member 140 is connected to the first connecting member 110 , and one end of the elastic member 140 away from the first connecting member 110 is connected to the second connecting member 120 .

[0046] When two adjacent floating bodies 200 are moved toward each other by wind and waves, the elastic member 140 is compressed to play a buffering role and avoid collision between the two adjacent floating bodies 200. When two adjacent floating bodies 200 are moved in opposite directions by wind and waves, the elastic member 140 can effectively reduce the tension on the connecting rope 130 by stretching and deforming, thereby effectively increasing the service life of the connecting rope 130.

[0047] The connection device 100 of this embodiment can realize elastic constraints of multiple degrees of freedom such as tension, compression, bending, shearing, and torsion.

[0048] See also Figure 1 and Figure 3The elastic member 140 is provided with a first connecting portion 141 and a second connecting portion 142 at opposite ends thereof, wherein the first connecting portion 141 is connected to the first connecting member 110, and the second connecting portion 142 is connected to the second connecting member 120, so that the elastic member 140 can be squeezed when the two adjacent floating bodies 200 move toward each other, and the elastic member 140 can be stretched when the two adjacent floating bodies 200 move away from each other.

[0049] In some embodiments, the first connection portion 141 is disposed in the first connection member 110 so that the end of the elastic member 140 away from the second connection member 120 is connected to the first connection member 110. The second connection portion 142 is disposed in the second connection member 120 so that the end of the elastic member 140 away from the first connection member 110 is connected to the second connection member 120.

[0050] In some embodiments, the elastic member 140 is a PU (polyurethane) member to improve the wear resistance, corrosion resistance and high pressure resistance of the elastic member 140 .

[0051] In some embodiments, see Figure 1 The connecting rope 130 includes a plurality of twisted monofilaments, that is, the connecting rope 130 is formed by twisting a plurality of monofilaments to improve the reliability of the connecting rope 130 during operation and to increase the service life of the connecting rope 130 .

[0052] In some embodiments, the connecting rope 130 is a steel rope or a polymer rope. The polymer rope can be a polyethylene rope or a nylon rope.

[0053] In some embodiments, see Figure 3 The connecting device 100 also includes a first fixing member 150 and a second fixing member 160; the first fixing member 150 is arranged on the first connecting member 110 and connected to one end of the connecting rope 130; the second fixing member 160 is arranged on the second connecting member 120 and connected to one end of the connecting rope 130 away from the first connecting member 110.

[0054] One end of the connecting rope 130 is connected to the first connecting member 110 through the first fixing member 150 , and the other end of the connecting rope 130 is connected to the second connecting member 120 through the second fixing member 160 .

[0055] In some embodiments, the end of the connecting rope 130 connected to the first fixing member 150 and the first fixing member 150 are both pre-buried in the first connecting member 110, so that the end of the connecting rope 130 away from the second connecting member 120 is fixedly connected to the first connecting member 110. The end of the connecting rope 130 connected to the second fixing member 160 and the second fixing member 160 are both pre-buried in the second connecting member 120, so that the end of the connecting rope 130 away from the first connecting member 110 is fixedly connected to the second connecting member 120.

[0056] In some embodiments, the first fixing member 150 and the second fixing member 160 are both steel rods, one end of the connecting rope 130 has a first knot, and the other end of the connecting rope 130 has a second knot, the first knot is looped on the first fixing member 150 and connected to the first fixing member 150; the second knot is looped on the second fixing member 160 and connected to the second fixing member 160.

[0057] In another embodiment, the first fixing member 150 and the second fixing member 160 are both steel plates to increase the contact area between the first fixing member 150 and the first connecting member 110 , and the contact area between the second fixing member 160 and the second connecting member 120 .

[0058] Furthermore, one end of the connecting rope 130 is fixedly connected to the first fixing member 150 by welding, and the other end of the connecting rope 130 is fixedly connected to the second fixing member 160 by welding.

[0059] In some embodiments, the first connecting member 110 and the second connecting member 120 are both concrete members.

[0060] Embodiment 2

[0061] See also Figure 4 This embodiment provides a connection device 100. This embodiment is an improvement made on the technical basis of the above embodiment 1. Compared with the above embodiment 1, the difference is that:

[0062] One end of the connecting rope 130 disposed in the first connecting member 110 has a first connecting hole, the first fixing member 150 is passed through the first connecting member 110 and the first connecting hole, and the first fixing member 150 is connected to the first connecting member 110; one end of the connecting rope 130 disposed in the second connecting member 120 has a second connecting hole, the second fixing member 160 is passed through the second connecting member 120 and the second connecting hole, and the second fixing member 160 is connected to the second connecting member 120.

[0063] In some embodiments, the connecting device 100 further includes a locking member 170 , and the first fixing member 150 is fixed to the first connecting member 110 via the locking member 170 .

[0064] Exemplarily, the first fixing member 150 is a bolt with a nut, and the locking member 170 is a nut matching the first fixing member 150. The first fixing portion 111 and the second fixing portion 112 are respectively provided at two ends of the housing of the first connecting member 110, and one end of the first fixing member 150 with the nut is inserted into the second fixing portion 112, and the nut is located on a side of the second fixing portion 112 away from the first fixing portion 111; one end of the first fixing member 150 away from the nut is inserted into the first fixing portion 111, and the locking member 170 is provided on one end of the first fixing member 150 away from the nut, and is located on a side of the first fixing portion 111 away from the second fixing portion 112.

[0065] The first fixing member 150 is threadably matched with the locking member 170 , so that the first fixing member 150 is passed through one end of the connecting rope 130 and fixed to the first connecting member 110 .

[0066] In some embodiments, the second fixing member 160 is also a bolt with a nut, and the second fixing member 160 and the locking member 170 are threadedly matched so that the second fixing member 160 is passed through the end of the connecting rope 130 away from the first connecting member 110 and fixed on the second connecting member 120.

[0067] In some embodiments, the shells of the first connecting member 110 and the second connecting member 120 are both metal shells, and the first connecting member 110 and the second connecting member 120 are filled with concrete.

[0068] Embodiment 3

[0069] See also Figure 5 The present application also provides a floating photovoltaic power generation system on water, which includes a plurality of floating bodies 200, a plurality of photovoltaic modules and a connecting device 100 of any of the above-mentioned embodiments; the photovoltaic modules are arranged on the floating bodies 200; the first connecting member 110 and the second connecting member 120 are respectively connected to the corresponding floating bodies 200.

[0070] At least one group of photovoltaic components is disposed on one of the floating bodies 200 .

[0071] In some embodiments, see Figure 6At least a portion of the first connecting member 110 is pre-buried in the floating body 200 so that the first connecting member 110 is fixedly connected to the corresponding floating body 200.

[0072] For further information, see Figure 6 The water floating photovoltaic power generation system further includes an anti-wear member 300, which is disposed between the floating body 200 and the first connecting member 110 to prevent the floating body 200 from rubbing against the first connecting member 110 when the floating body 200 is affected by wind and waves.

[0073] In some embodiments, see Figure 7 The floating photovoltaic power generation system further includes a mounting member 400, one end of which is fixed in the floating body 200, and the other end is connected to the first connecting member 110, so that the first connecting member 110 is connected to the corresponding floating body 200.

[0074] Exemplarily, the mounting member 400 is in a U-shape, one end of the mounting member 400 is embedded in the floating body 200 , and the other end is connected to the first connecting member 110 via a bolt structure.

[0075] In some embodiments, at least a portion of the second connector 120 is pre-buried in the corresponding floating body 200, so that the second connector 120 is fixedly connected to the corresponding floating body 200. In another embodiment, the second connector 120 is fixedly connected to the corresponding floating body 200 through the mounting member 400.

[0076] In some embodiments, the floating photovoltaic power generation system comprises a plurality of the connecting devices 100 , and two adjacent floating bodies 200 are connected via the connecting devices 100 , thereby connecting a plurality of floating bodies 200 in sequence.

[0077] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present application. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art may combine and combine the different embodiments or examples described in this specification and the features of the different embodiments or examples, without contradiction.

[0078] Although the embodiments of the present application have been shown and described above, it can be understood that the above embodiments are exemplary and cannot be understood as limitations on the present application. Ordinary technicians in this field can change, modify, replace and modify the above embodiments within the scope of the present application.

Claims

1. A connection device, characterized in that: include: A connection assembly, the connection assembly comprising a first connection member and a second connection member arranged opposite to each other; the first connection member and the second connection member are both used to connect a floating body with a photovoltaic assembly; a connecting rope, one end of which is connected to the first connecting member, and one end of which is away from the first connecting member is connected to the second connecting member; An elastic member, wherein the elastic member is sleeved on the outside of the connecting rope, one end of the elastic member is connected to the first connecting member, and one end of the elastic member away from the first connecting member is connected to the second connecting member.

2. The connection device according to claim 1, characterized in that: The connecting device also includes a first fixing member and a second fixing member; the first fixing member is arranged on the first connecting member and connected to one end of the connecting rope; the second fixing member is arranged on the second connecting member and connected to one end of the connecting rope away from the first connecting member.

3. The connection device according to claim 2, characterized in that: One end of the connecting rope connected to the first fixing member and the first fixing member are both pre-buried in the first connecting member; one end of the connecting rope connected to the second fixing member and the second fixing member are both pre-buried in the second connecting member.

4. The connection device according to claim 2, characterized in that: One end of the connecting rope disposed in the first connecting member has a first connecting hole, the first fixing member is passed through the first connecting member and the first connecting hole, and the first fixing member is connected to the first connecting member; one end of the connecting rope disposed in the second connecting member has a second connecting hole, the second fixing member is passed through the second connecting member and the second connecting hole, and the second fixing member is connected to the second connecting member.

5. The connecting device according to any one of claims 1 to 4, characterized in that: The elastic member has a first connection portion and a second connection portion at opposite ends thereof, respectively. The first connection portion is connected to the first connection member, and the second connection portion is connected to the second connection member.

6. The connection device according to any one of claims 1 to 4, characterized in that: The connecting rope includes a plurality of twisted monofilaments.

7. A floating photovoltaic power generation system, characterized in that: It comprises a plurality of floating bodies, a plurality of groups of photovoltaic modules and the connection device described in any one of claims 1 to 6; the photovoltaic modules are arranged on the floating bodies; the first connecting member and the second connecting member are respectively connected to the corresponding floating bodies.

8. The floating photovoltaic power generation system according to claim 7, characterized in that: At least a portion of the first connecting member is pre-buried in the floating body.

9. The floating photovoltaic power generation system according to claim 8, characterized in that: An anti-wear component is provided between the floating body and the first connecting component.

10. The floating photovoltaic power generation system according to claim 7, characterized in that: The above-water floating photovoltaic power generation system further comprises a mounting member, one end of which is fixed in the floating body, and the other end of which is connected to the first connecting member.

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