Photovoltaic power generation system for courtyard households

Abstract

The utility model discloses a photovoltaic power generation system for courtyard households, which belongs to the technical field of photovoltaic installation, comprises a plurality of photovoltaic assemblies and a grid-connected inverter unit electrically connected with the photovoltaic assemblies, and is characterized by further comprising a support unit for fixing the photovoltaic assemblies, the support unit comprises a stand column and a fixed frame body fixed on the stand column, the stand column is provided with a movable frame body through a guide rail, the movable frame body is connected with a driving mechanism, the driving mechanism and the grid-connected inverter unit are fixed on the stand column, and photovoltaic modules are fixed on the fixed frame body and the movable frame body. According to the photovoltaic power generation system for courtyard households adopting the structure, the movable frame body is arranged through the guide rail, the photovoltaic module is fixed on the movable frame body, and when lighting or airing is needed, the movable frame body is moved to the upper part of the fixed frame body, so that the photovoltaic power generation system is convenient to use.

Description

Technical Field

[0001] The utility model relates to the technical field of photovoltaics, in particular to a courtyard household photovoltaic power generation system. Background Art

[0002] As a clean energy, solar energy has been widely studied and applied due to its unique advantages. Photovoltaic power generation and solar panel manufacturing technologies have become more and more perfect, with lower costs and more popular applications. However, with the advancement of distributed household photovoltaics, the contradiction between the reduction in roof utilization area and the large demand for household photovoltaics has become prominent. Roof photovoltaics have high requirements for the strength of the house structure. There are a large number of brick-concrete, brick-wood and civil structures in rural areas that are too old to bear weight. Whether the existing technology uses photovoltaic sunrooms or array installation methods, it will cause the roof to be unable to bear weight or there will be a large structural safety risk, resulting in damage to the house structure or leakage, which greatly limits the promotion and application of photovoltaic power generation in rural areas. In the prior art, photovoltaic modules are installed in the courtyard through a frame structure. For example, the patent with patent number 201820222393.4 discloses a courtyard-type photovoltaic module installation bracket structure, but there are still the following problems:

[0003] (1) The structure is fixed, and if the coverage area is too large, it will affect indoor lighting and normal drying.

[0004] (2) It only has a supporting and fixing function and has a single function. Utility Model Content

[0005] The purpose of the utility model is to provide a courtyard household photovoltaic power generation system to solve the above technical problems.

[0006] To achieve the above-mentioned purpose, the utility model provides a courtyard household photovoltaic power generation system, including a plurality of photovoltaic modules and a grid-connected inverter unit, the grid-connected inverter unit is electrically connected to the photovoltaic modules, and also includes a support unit for fixing the photovoltaic modules, the support unit includes a column and a fixed frame fixed on the column, the column is provided with a mobile frame through a guide rail, the mobile frame is connected to a driving mechanism, the driving mechanism and the grid-connected inverter unit are both fixed on the column, and photovoltaic modules are fixed on the fixed frame and the mobile frame.

[0007] Preferably, the guide track is arranged at an angle, the guide track is fixed to the column through a heightening column, the cross-section of the guide track is C-shaped, and the two inclined tracks are arranged opposite to each other.

[0008] Preferably, the driving mechanism includes a plurality of steel ropes arranged in parallel, one end of the steel rope is connected to the movable frame, the other end of the steel rope is wound on a reel, the reel is mounted on the heightening column through a bearing seat, one end of the rotating shaft is connected to the gear on the output shaft of the driving motor through a chain, and the driving motor is mounted on the column.

[0009] Preferably, a roller is provided on the side of the movable frame, and the roller is arranged in the guide track. A magnetic fixing plate is provided at one end of the guide track, and a limiting plate is provided at the other end of the guide track.

[0010] Preferably, a folding clothes drying rack is hinged on the column.

[0011] Preferably, a bolt steel column is provided at the bottom of the column;

[0012] Alternatively, the columns are connected to the fixings of the reinforced concrete foundation by bolts.

[0013] Therefore, the utility model adopts the above-mentioned courtyard household photovoltaic power generation system, which has the following beneficial effects:

[0014] (1) There is a movable frame on the guide rail, and the photovoltaic components are fixed on the movable frame. When lighting or drying is needed, the movable frame is moved above the fixed frame for easy use.

[0015] (2) A folding clothes drying rack is provided on the column to increase the function of the rack.

[0016] The technical solution of the utility model is further described in detail below through the accompanying drawings and embodiments. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a structural schematic diagram of Embodiment 1 of a courtyard household photovoltaic power generation system of the utility model;

[0018] Figure 2 This is a cross-sectional view of the guide rail of the utility model;

[0019] Figure 3 It is a schematic diagram of the structure at both ends of the guide track of the utility model;

[0020] Figure 4 This is a structural schematic diagram of Example 2 of a courtyard household photovoltaic power generation system of the utility model.

[0021] Reference numerals

[0022] 1. Photovoltaic module; 2. Grid-connected inverter unit; 3. Support unit; 31. Column; 32. Fixed frame; 4. Guide track; 41. Magnetic fixing plate; 42. Limit plate; 5. Heightening column; 6. Mobile frame; 61. Roller; 7. Driving mechanism; 71. Wire rope; 72. Reel; 73. Chain; 74. Driving motor; 8. Folding clothes drying rack; 9. Reinforced concrete foundation. DETAILED DESCRIPTION

[0023] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Generally, the components of the embodiments of the utility model described and shown in the drawings here can be arranged and designed in various different configurations.

[0024] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the present invention to be protected, but merely represents selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0025] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, further definition and explanation thereof is not required in subsequent drawings.

[0026] In the description of the present utility model, it should be noted that the terms "upper", "lower", "inside", "outside", etc. indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings, or are directions or positional relationships in which the utility model product is usually placed when in use. They are only for the convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as a limitation on the present utility model.

[0027] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "setting", "installation" and "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 a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0028] The following is a detailed description of the embodiments of the present invention in conjunction with the accompanying drawings.

[0029] Example 1

[0030] like Figure 1As shown, a courtyard household photovoltaic power generation system includes a plurality of photovoltaic modules 1, a grid-connected inverter unit 2 and a support unit 3. The grid-connected inverter unit 2 is electrically connected to the photovoltaic module 1. The support unit 3 includes a column 31 and a fixed frame 32 fixed on the column 31. The column 31 is provided with a mobile frame 6 through a guide rail 4. The photovoltaic modules 1 are fixed on the fixed frame 32 and the mobile frame 6. The guide rail 4 is inclined and fixed to the column 31 through a heightening column 5. Figure 2-3 As shown, the guide rail 4 has a C-shaped cross section, and two inclined rails are arranged opposite to each other. A roller 61 is arranged on the side of the movable frame 6, and the roller 61 is arranged in the guide rail 4. A magnetic fixing plate 41 is arranged at one end of the guide rail 4, and a limit plate 42 is arranged at the other end of the guide rail 4. The movable frame 6 is connected to a driving mechanism 7, and the driving mechanism 7 includes a plurality of parallel steel wire ropes 71, one end of the steel wire rope 71 is connected to the movable frame 6, and the other end of the steel wire rope 71 is wound on a reel 72, and the reel 72 is installed on the heightening column 5 through a bearing seat, and one end of the rotating shaft is connected to the gear on the output shaft of the driving motor 74 through a chain 73, and the driving motor 74 is installed on the column 31. The grid-connected inverter unit 2 is fixed on the column 31.

[0031] In this embodiment, the column 31 is connected to the fixing member of the reinforced concrete foundation 9 by bolts, and the reinforced concrete foundation 9 is arranged in the ground. According to the actual situation, the bottom of the column 31 can be fixed by bolt steel column.

[0032] Example 2

[0033] like Figure 4 As shown, the difference between this embodiment and the first embodiment is that a folding clothes drying rack 8 is hinged on the column 31, which adds a drying function and is convenient to use. When drying or lighting is needed, the movable frame 6 is moved to the top of the fixed frame 32 through the driving mechanism 7, and the folding clothes drying rack 8 is opened. The folding clothes drying rack 8 is an existing structure and its specific structure is not described in detail here.

[0034] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model rather than to limit it. Although the utility model has been described in detail with reference to the preferred embodiments, ordinary technicians in this field should understand that they can still modify or replace the technical solution of the utility model with equivalents, and these modifications or equivalent replacements cannot cause the modified technical solution to deviate from the spirit and scope of the technical solution of the utility model.

Claims

1. A courtyard household photovoltaic power generation system, comprising a plurality of photovoltaic modules and a grid-connected inverter unit, wherein the grid-connected inverter unit is electrically connected to the photovoltaic modules, and characterized in that: It also includes a support unit for fixing photovoltaic components, the support unit includes a column and a fixed frame fixed on the column, the column is provided with a movable frame through a guide track, the movable frame is connected to a driving mechanism, the driving mechanism and the grid-connected inverter unit are both fixed on the column, and photovoltaic components are fixed on the fixed frame and the movable frame.

2. A courtyard household photovoltaic power generation system according to claim 1, characterized in that: The guide track is arranged at an inclination, and is fixed on the column through a heightening column. The cross section of the guide track is C-shaped, and two inclined tracks are arranged opposite to each other.

3. A courtyard household photovoltaic power generation system according to claim 2, characterized in that: The driving mechanism includes several parallel arranged steel ropes, one end of which is connected to the mobile frame, and the other end of which is wound on a reel, which is installed on the heightening column through a bearing seat, and one end of the rotating shaft is connected to the gear on the output shaft of the driving motor through a chain, and the driving motor is installed on the column.

4. A courtyard household photovoltaic power generation system according to claim 3, characterized in that: A roller is arranged on the side of the movable frame, and the roller is arranged in the guide track. A magnetic fixing plate is arranged at one end of the guide track, and a limiting plate is arranged at the other end of the guide track.

5. A courtyard household photovoltaic power generation system according to claim 1, characterized in that: A folding clothes drying rack is hinged on the column.

6. A courtyard household photovoltaic power generation system according to claim 1, characterized in that: A bolted steel column is provided at the bottom of the column; Alternatively, the columns are connected to the fixings of the reinforced concrete foundation by bolts.

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