CN-115706558-B - Photovoltaic power generation system

Abstract

The invention discloses a photovoltaic power generation system, and relates to the field of photovoltaic power generation. The device comprises a plurality of photovoltaic module units and a plurality of fixed balancing weights, wherein the photovoltaic module units comprise wedge-shaped grooves and connecting frames. The photovoltaic module is fixed in the notch position of wedge recess tank bottom, forms the photovoltaic module and arranges, and places a fixed balancing weight between two adjacent photovoltaic module units, arranges the pressure in the top of lower part platform with the photovoltaic module through fixed balancing weight. The structure of the device simplifies the photovoltaic system assembly, reduces the workload of installation and improves the power generation efficiency.

Inventors

• YU JUN
• LIU YONG
• WANG JIANMING

Assignees

• 一道新能源科技(衢州)有限公司

Dates

Publication Date

20260508

Application Date

20210803

Claims (9)

1. 1. A photovoltaic power generation system, the system comprising: a plurality of photovoltaic assembly module units (1) and a plurality of fixed balancing weights (2); The photovoltaic module unit (1) comprises: The wedge-shaped groove (11) is provided with a slope, the notch of the wedge-shaped groove (11) is placed towards the lower platform, a notch (111) with an upward opening is formed in the bottom of the wedge-shaped groove (11), the notch (111) is matched with the photovoltaic module (3), and a plurality of first water outlets (111 a) are formed in one side, close to the bottom of the wedge-shaped groove (11), of the opening of the notch (111); the connecting frame (12) is enclosed at the notch position of the wedge-shaped groove (11) and is used for fixedly connecting each assembly module unit (1); The photovoltaic modules (3) are fixed at the positions of the notches (111) at the bottoms of the wedge-shaped grooves (11), the photovoltaic module units (1) are fixedly connected through the connecting frames (12) to form photovoltaic module arrangement, a fixed balancing weight (2) is placed between every two adjacent photovoltaic module units (1), and the photovoltaic module arrangement is pressed above the lower platform through the fixed balancing weight (2).
2. 2. The system according to claim 1, characterized in that the photovoltaic module unit (1) is made of plastic material.
3. 3. The system according to claim 1, characterized in that the bottom of the wedge-shaped groove (11) is provided with a number of slots (112) and sockets (113) penetrating the recess (111); The slots (112) are uniformly distributed in the notches (111) at the bottom of the wedge-shaped groove (11); the socket (113) is matched with a junction box of the photovoltaic module (3).
4. 4. A system according to claim 1, characterized in that the walls of the wedge-shaped recess (11) are provided with a number of ventilation holes (114).
5. 5. The system according to claim 1, characterized in that the end of the connecting frame (12) near the bottom and top of the wedge-shaped recess (11) is provided with a number of second drain openings (121).
6. 6. The system according to claim 1, characterized in that a number of clamping blocks (111 b) are arranged around the opening of the recess (111).
7. 7. The system according to claim 1, wherein the connecting frame (12) is provided with overlapping portions (122) on opposite sides thereof, and the overlapping portions (122) of two adjacent photovoltaic module units (1) are mated.
8. 8. The system according to claim 7, characterized in that the lap (122) is provided with a screw hole (122 a).
9. 9. System according to claim 1, characterized in that the inner wall of the wedge-shaped groove (11) is provided with stiffening ribs.

Description

Photovoltaic power generation system Technical Field The invention relates to the technical field of photovoltaic power generation, in particular to a photovoltaic power generation system. Background Under the background of the tightening of non-renewable resources in China, the safety of energy sources and the increasing of environmental pollution, the distributed new energy source becomes a very important part of the energy strategy in China, is one of effective ways for relieving the serious electricity shortage situation in China and ensuring the implementation of the sustainable development strategy, and has great development potential. Photovoltaic power generation is currently widely used as a distributed new energy source. The solar photovoltaic power generation system is a power generation system for directly converting solar radiation energy into electric energy, at present, a photovoltaic module is generally installed by adopting a metal bracket, and meanwhile, components such as a stand column, a cross beam and a connecting piece are required to be used for fixedly connecting the photovoltaic module, and most of the components adopt rigid metal, so that the field installation workload is large, and the transportation cost of each component is greatly increased. Disclosure of Invention The present invention has been made in view of the above problems, and has as its object to provide a photovoltaic power generation system which overcomes or at least partially solves the above problems. The invention provides a photovoltaic power generation system, the device comprises: a plurality of photovoltaic assembly module units and a plurality of fixed balancing weights; The photovoltaic module unit includes: the wedge-shaped groove is provided with a slope, the notch of the wedge-shaped groove is placed towards the lower platform, the groove bottom of the wedge-shaped groove is provided with a notch with an upward opening, and the notch is matched with the photovoltaic module; the connecting frame is enclosed at the notch position of the wedge-shaped groove and is used for fixedly connecting each assembly module unit; The photovoltaic modules are fixed at the notch positions at the bottoms of the wedge-shaped grooves, the photovoltaic module units are fixedly connected through the connecting frames to form photovoltaic module arrangement, a fixed balancing weight is placed between every two adjacent photovoltaic module units, and the photovoltaic module arrangement is pressed above the lower platform through the fixed balancing weight. Preferably, the photovoltaic module unit is made of plastic. Preferably, the bottom of the wedge-shaped groove is provided with a plurality of slots and a socket penetrating through the notch; The slots are uniformly distributed in the notches at the bottom of the wedge-shaped groove; the socket is matched with a junction box of the photovoltaic module. Preferably, a plurality of first water draining openings are arranged on one side of the notch opening, which is close to the slope bottom of the wedge-shaped groove. Preferably, the wall of the wedge-shaped groove is provided with a plurality of ventilation holes. Preferably, the end parts of the connecting frame, which are close to the slope bottom and the slope top of the wedge-shaped groove, are respectively provided with a plurality of second water outlets. Preferably, a plurality of clamping blocks are arranged around the opening of the notch. Preferably, the two opposite sides of the connecting frame are respectively provided with a lap joint part, and the lap joint parts of two adjacent photovoltaic assembly module units are matched. Preferably, the overlapping portion is provided with a screw hole. Preferably, the inner wall of the wedge-shaped groove is provided with a reinforcing rib. In the scheme of the invention, the notch of the wedge-shaped groove is arranged towards the lower platform, the groove bottom of the wedge-shaped groove is provided with a notch with an upward opening, the photovoltaic module is embedded in the notch, and the notch of the wedge-shaped groove is surrounded by a connecting frame to form a photovoltaic module unit. The connecting frame is fixedly connected with two adjacent photovoltaic module units to form photovoltaic module arrangement, and a fixed balancing weight is pressed between the two adjacent photovoltaic module units in the photovoltaic module arrangement. The photovoltaic module is embedded into the notch, and the opening of the notch is higher than the photovoltaic module, so that the photovoltaic module is limited to move. The wedge-shaped groove has a gradient, solar irradiation quantity absorbed by the photovoltaic module is increased, and then electric quantity is increased, so that working efficiency of the photovoltaic system is improved, meanwhile, rainwater on the surface of the photovoltaic module is led out in time, dirty dirt on the surface of the photovoltaic