Large-amplitude reservoir type flexible photovoltaic system

Abstract

A large-amplitude reservoir type flexible photovoltaic system comprises a cableway unit and a photovoltaic unit, the cableway unit comprises anchor points and bearing plate cables, the anchor points are installed on the two opposite sides of the periphery of a reservoir basin respectively, the bearing plate cables are installed on the corresponding anchor points on the two sides respectively, and the photovoltaic unit comprises a photovoltaic panel set. The bottom of each photovoltaic panel set is clamped and installed on at least two plate bearing cables through a plurality of plate wheels, and the photovoltaic panel sets are connected with the anchor points through locking ropes. The cableway unit is used for installing a photovoltaic panel set of the photovoltaic unit, the photovoltaic unit generates electric energy through the photovoltaic panel set, the anchor point is used for being connected with a plate bearing cable, and through the structure, photovoltaic panels are installed in a reservoir basin of the water pumping and storage reservoir.

Description

Technical Field

[0001] The utility model relates to the technical field of pumped storage reservoir photovoltaic power generation, in particular to a flexible photovoltaic system for a large-amplitude reservoir type. Background Art

[0002] A pumped storage power station is an energy storage device with a power regulation function. It is characterized by upper and lower reservoirs with different elevations and a relatively large water area. How to make full use of the reservoir surface of the pumped storage power station to exert greater engineering economic and social benefits is a research topic worthy of study, and there is no relevant mature technology yet. For example, using the upper and lower reservoir surfaces for power generation can not only increase power generation but also reduce the water evaporation loss caused by partial blocking of sunlight on the water surface. Therefore, this application proposes a flexible photovoltaic system for a large-amplitude reservoir type. Content of the Utility Model

[0003] To solve the current technical problems, the main purpose of the utility model is to provide a flexible photovoltaic system for a large-amplitude reservoir type, which is used to install photovoltaic panels on the reservoir surface of a pumped storage power station.

[0004] The technical solution adopted by the utility model is: a flexible photovoltaic system for a large-amplitude reservoir type, including a cableway unit and a photovoltaic unit. The cableway unit includes anchor points and a bearing plate cable. A plurality of anchor points are respectively installed on two opposite sides of the periphery of the reservoir basin, and bearing plate cables are respectively installed on the corresponding anchor points on both sides. The photovoltaic unit includes a photovoltaic panel group, and each photovoltaic panel group is installed on at least two bearing plate cables.

[0005] A conical groove is arranged on the anchor point. The diameter of the conical groove from the platform to the reservoir basin side becomes smaller. The top of the anchor point has a notch communicating with the conical groove. Two conical plug plates are installed in the conical groove, and the two plug plates clamp the bearing plate cable.

[0006] A first backing plate is installed on the inner side of the plug plate.

[0007] Both ends of the bearing plate cable are provided with cable stop ends.

[0008] A cable locking member is further arranged on the anchor point, and a maintenance cable is connected to the cable locking members of the corresponding anchor points on both sides. The maintenance cable is located above the photovoltaic panel group.

[0009] The lower end of the cable locking member passes through the anchor point and extends into the ground.

[0010] A plurality of plate wheels are arranged at the bottom of the photovoltaic panel group. The photovoltaic panel group is clamped and installed on the bearing plate cable through the plate wheels. The plate wheel includes an upper clamping wheel, a lower clamping wheel and a vertical plate. The upper clamping wheel and the lower clamping wheel are rotatably installed between the two vertical plates, and the bearing plate cable is located between the upper clamping wheel and the lower clamping wheel.

[0011] The photovoltaic panel group includes a plurality of photovoltaic panels. Connecting plates are respectively arranged at both ends of the photovoltaic panels, and the connecting plates between adjacent photovoltaic panels are connected by fasteners.

[0012] A locking ring is arranged at the top of the anchor point. One end of the photovoltaic panel group close to the anchor point is installed with a locking rope through the connecting plate, and the locking rope is connected and fixed to the locking ring.

[0013] There are two groups of photovoltaic panel groups on the load-bearing cable. The adjacent ends of the two groups of photovoltaic panel groups are not connected, and the mutually remote ends are respectively connected to the anchor points through locking ropes.

[0014] The utility model has the following beneficial effects:

[0015] 1. The cableway unit of the utility model is used to install the photovoltaic panel group of the photovoltaic unit. The photovoltaic unit generates electric energy through the photovoltaic panel group. The anchor point is used to connect the load-bearing cable and the locking rope, so as to realize the installation of the photovoltaic panels on the reservoir surface.

[0016] 2. The bottom of the photovoltaic panel group is provided with plate wheels, which are used for sliding and clamping installation on the load-bearing cable, facilitating the installation and replacement of the photovoltaic panel group.

[0017] 3. The present patent adopts a simple method of anchor points, load-bearing cables, and maintenance cables to realize the laying and reliable use of large-span flexible support photovoltaic panels, with strong bearing capacity, a large amount of photovoltaic panels laid, and very high power generation efficiency.

[0018] 4. In addition to using a maintenance vehicle for maintenance, the present patent also innovatively designs a maintenance cable. Personnel can go up to the photovoltaic panels for inspection and maintenance, which not only ensures the safety of personnel maintenance but also gives full play to the flexible and efficient characteristics of personnel operations, and also plays a role in lightning protection, with strong practicability. Description of the Drawings

[0019] The following further describes the present utility model in conjunction with the drawings and embodiments.

[0020] Figure 1 It is a schematic diagram of the overall structure of the present utility model.

[0021] Figure 2 It is a schematic diagram of the sectional structure of the present utility model.

[0022] Figure 3 It is a schematic diagram of the top view structure of the present utility model.

[0023] Figure 4 It is a schematic diagram of the front view structure of the anchor point of the present utility model.

[0024] Figure 5 It is Figure 4 The sectional structure schematic diagram of A-A in

[0025] Figure 6This is a schematic diagram of the connection of the bearing plate cable of the present utility model.

[0026] Figure 7 This is a schematic structural diagram of the plate wheel of the present utility model installed on the bearing plate cable.

[0027] In the figure:

[0028] reservoir basin 100, platform 101, track 102, locking groove 103;

[0029] cableway unit 200, anchor point 210, conical groove 211, plug plate 212, rope locking member 213, locking ring 214, first backing plate 215, bearing plate cable 220, cable stop end 221, maintenance cable 230;

[0030] photovoltaic unit 300, photovoltaic panel 310, connecting plate 311, fastener 312, locking rope 313, plate wheel 320, upper clamping wheel 321, lower clamping wheel 322, vertical plate 323. Specific embodiments

[0031] Next, the technical solutions of the present utility model will be described clearly and completely with reference to the accompanying drawings. Obviously, the described embodiments are some, but not all, of the embodiments of the present utility model. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.

[0032] In the description of the present utility model, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be construed as a limitation of the present utility model. In addition, the terms "first", "second", "third" are only used for descriptive purposes and cannot be construed as indicating or implying relative importance.

[0033] In the description of the present utility model, it should be noted that unless otherwise clearly specified and limited, the terms "installation", "connection", "connection" 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 directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0034] In addition, the technical features involved in different embodiments of the present utility model described below can be combined with each other as long as they do not conflict with each other.

[0035] Embodiment 1:

[0036] Referring to Figures 1-3 As shown, a large-amplitude variable reservoir-type flexible photovoltaic system includes a cableway unit 200 and a photovoltaic unit 300. The cableway unit 200 includes anchor points 210 and a bearing plate cable 220. A plurality of anchor points 210 are respectively installed on two opposite sides of the periphery of the reservoir basin 100, and bearing plate cables 220 are respectively installed on the corresponding anchor points 210 on both sides. The photovoltaic unit 300 includes a photovoltaic panel group, and each photovoltaic panel group is installed on at least two bearing plate cables 220. The cableway unit 200 is used to install the photovoltaic panel group of the photovoltaic unit 300, and the photovoltaic unit 300 generates electric energy through the photovoltaic panel group. Through the above structure, the installation of photovoltaic panels can be realized in the reservoir basin 100 of the pumped storage reservoir.

[0037] In this embodiment, an installation seat can be arranged at the bottom of the photovoltaic panel group. The pressing plate presses the bearing plate cable 200 from the lower side of the bearing plate cable, and the bolt passes through the pressing plate and is connected to the installation seat, thereby fixing the photovoltaic panel group on the bearing plate cable 220.

[0038] Referring to Figure 4 、 5 , a conical groove 211 is arranged on the anchor point 210. The diameter of the conical groove 211 from the platform 101 to the side of the reservoir basin 100 gradually decreases. The top of the anchor point 210 has a notch communicating with the conical groove 211. Two conical-shaped plug plates 212 are installed in the conical groove 211, and the two plug plates 212 clamp the bearing plate cable 220. By clamping the bearing plate cable 220 with two conical-shaped plug plates 212, the connection between the bearing plate cable 220 and the anchor point 210 is convenient and reliable.

[0039] Furthermore, referring to Figure 4 , a first backing plate 215 is installed on the inner side of the plug plate 212. Specifically, the first backing plate 215 is a copper backing plate adapted to the inner hole of the plug plate 212. Because the copper backing plate has a larger friction coefficient and is easy to deform, a larger frictional force is formed between the copper backing plate and the bearing plate cable 220 after being subjected to extrusion force. Coupled with the conical structure of the plug plate 212, the plug plate 212 can clamp the bearing plate cable 220 outside the bearing plate cable 220, ensuring that the bearing plate cable 220 does not come out of the anchor point.

[0040] Embodiment 2:

[0041] Referring to Figure 2 、 5, a rope locking member 213 is further provided on the anchor point 210, and a maintenance cable 230 is connected to the rope locking members 213 corresponding to the anchor points 210 on both sides. The maintenance cable 230 is located above the photovoltaic panel group. On the one hand, when personnel go onto the photovoltaic panel 310 for maintenance, the maintenance cable 230 is used as a handrail rope; on the other hand, a safety belt or safety rope can also be hung on the maintenance cable 230 to ensure the safety of maintenance personnel.

[0042] Further, referring to Figure 4 , 5 , the lower end of the rope locking member 213 passes through the anchor point 210 and extends into the ground. Since the height of the maintenance cable 230 is higher than that of the bearing cable and the photovoltaic panel, in the event of a lightning strike, the lightning will first be introduced to the ground through the maintenance cable by the rope locking member 213, thus achieving the effect of lightning protection. Specifically, the upper end of the rope locking member 213 is annular, and the lower end is rod-shaped and extends into the ground.

[0043] Embodiment 3:

[0044] Referring to Figure 6 , 7 , a plurality of panel wheels 320 are provided at the bottom of the photovoltaic panel group. The photovoltaic panel group is clamped and installed on the bearing cable 220 through the panel wheels 320; the panel wheel 320 includes an upper clamping wheel 321, a lower clamping wheel 322 and a vertical plate 323. The upper clamping wheel 321 and the lower clamping wheel 322 are rotatably installed between the two vertical plates 323, and the bearing cable 220 is located between the upper clamping wheel 321 and the lower clamping wheel 322. Multiple groups of panel wheels 320 are provided under each photovoltaic panel so that the photovoltaic panel can be retracted and installed on the bearing cable 220 under the traction of the maintenance vehicle. Each group of panel wheels is divided into an upper clamping wheel 321 above the bearing cable and a lower clamping wheel 322 stuck under the bearing cable. The upper clamping wheel 321 and the lower clamping wheel 322 are reliably stuck on the bearing cable through bolts connected by the vertical plates 323 on both sides, ensuring that the photovoltaic panel will not derail from the bearing cable during installation or operation.

[0045] Further, referring to Figure 6 , the photovoltaic panel group includes a plurality of photovoltaic panels 310. Connecting plates 311 are respectively provided at both ends of the photovoltaic panel 310. The connecting plates 311 between adjacent photovoltaic panels 310 are connected by fasteners 312. By providing the connecting plates 311, it is convenient to connect adjacent photovoltaic panels 310. When connecting, holes are provided on the connecting plates 311, and the connecting plates 311 of adjacent photovoltaic panels 310 can be connected by bolts or steel wires.

[0046] In one of the solutions, a metal plate is adhesively bonded to the bottom of the photovoltaic panel 310 by structural glue, and the two vertical plates 323 of the panel wheel 320 are welded and fixed to this metal plate.

[0047] Further, referring to Figure 6, a locking ring 214 is provided at the top of the anchor point 210. One end of the photovoltaic panel group near the anchor point 210 is installed with a locking rope 313 through a connecting plate 311, and the locking rope 313 is connected and fixed to the locking ring 214. The photovoltaic panel group is connected and fixed to the anchor point 210 through the locking rope 313.

[0048] Further, there are two groups of photovoltaic panel groups on the load-bearing cable 220. One end of the two adjacent photovoltaic panel groups is not connected, and the other ends away from each other are respectively connected to the anchor point 210 through the locking ropes 313.

[0049] During implementation, the photovoltaic unit 300 further includes a busbar box, an inverter, and a transformer. Each photovoltaic panel group is electrically connected to the busbar box through a cable. The busbar box is electrically connected to the inverter, and the inverter is electrically connected to the transformer. The current collected through the cable is first aggregated by the busbar box, and then the direct current is uniformly converted into alternating current by the inverter, and then boosted by the transformer and transmitted outward.

[0050] As an alternative implementation method, the locking rope member 213 and the locking ring 214 can be integrally designed, and the same function can be achieved with a single integral structure, which is also within the protection scope of this patent.

[0051] Obviously, the above embodiments are merely examples given for clear illustration and not limitations on the implementation methods. For those of ordinary skill in the art, other different forms of changes or variations can be made based on the above description. It is not necessary and impossible to enumerate all the implementation methods here. And the obvious changes or variations derived therefrom are still within the protection scope of this utility model creation.

Claims

1. A flexible photovoltaic system with large amplitude variation for reservoir type, characterized in that: It includes a cableway unit (200) and a photovoltaic unit (300). The cableway unit (200) includes anchor points (210) and load-bearing cables (220). A plurality of anchor points (210) are respectively installed on two opposite sides of the periphery of the reservoir basin (100), and load-bearing cables (220) are respectively installed on the corresponding anchor points (210) on both sides. The photovoltaic unit (300) includes a photovoltaic panel group, and each photovoltaic panel group is installed on at least two load-bearing cables (220).

2. The variable-amplitude reservoir-type flexible photovoltaic system according to claim 1, wherein, A tapered groove (211) is provided on the anchor point (210). The diameter of the tapered groove (211) from the platform (101) to the side of the reservoir basin (100) becomes smaller. The top of the anchor point (210) has a notch communicating with the tapered groove (211). Two conical plug plates (212) are installed in the tapered groove (211), and the two plug plates (212) clamp the load-bearing cable (220).

3. The variable-amplitude reservoir-type flexible photovoltaic system according to claim 2, wherein, A first backing plate (215) is installed on the inner side of the plug plate (212).

4. The flexible photovoltaic system of a large-amplitude-variation reservoir type according to claim 2, characterized in that, Stop cable ends (221) are provided at both ends of the load-bearing cable (220).

5. A large-amplitude variable reservoir-type flexible photovoltaic system according to claim 1, characterized in that, A cable locking member (213) is further provided on the anchor point (210). A maintenance cable (230) is connected to the cable locking members (213) of the corresponding anchor points (210) on both sides, and the maintenance cable (230) is located above the photovoltaic panel group.

6. The flexible photovoltaic system of a large-amplitude variable reservoir type according to claim 5, characterized in that, The lower end of the cable locking member (213) passes through the anchor point (210) and extends into the ground.

7. A large-variable-amplitude reservoir-type flexible photovoltaic system according to claim 1, characterized in that A plurality of panel wheels (320) are provided at the bottom of the photovoltaic panel group. The photovoltaic panel group is clamped and installed on the load-bearing cable (220) through the panel wheels (320). The panel wheel (320) includes an upper clamping wheel (321), a lower clamping wheel (322) and a vertical plate (323). The upper clamping wheel (321) and the lower clamping wheel (322) are rotatably installed up and down between the two vertical plates (323), and the load-bearing cable (220) is located between the upper clamping wheel (321) and the lower clamping wheel (322).

8. A large-variable-amplitude reservoir-type flexible photovoltaic system according to claim 1 or 7, characterized in that, The photovoltaic panel group includes a plurality of photovoltaic panels (310). Connecting plates (311) are respectively provided at both ends of the photovoltaic panel (310), and the connecting plates (311) between adjacent photovoltaic panels (310) are connected by fasteners (312).

9. The variable-amplitude reservoir-type flexible photovoltaic system according to claim 8, wherein, A locking ring (214) is provided at the top of the anchor point (210). A locking cable (313) is installed at one end of the photovoltaic panel group close to the anchor point (210) through the connecting plate (311), and the locking cable (313) is connected and fixed to the locking ring (214).

10. A large-amplitude variable reservoir-type flexible photovoltaic system according to claim 9, characterized in that, There are two groups of photovoltaic panel groups on the load-bearing cable (220). One end of the two adjacent photovoltaic panel groups is not connected, and the other ends away from each other are respectively connected to the anchor point (210) through the locking cable (313).

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