Photovoltaic module efficiency improving device and photovoltaic sun tracking system

Abstract

The utility model discloses a photovoltaic module efficiency-improving device and a photovoltaic sun-tracking system, the photovoltaic module efficiency-improving device comprises a mirror bracket, the mirror bracket comprises a first installation part, a second installation part, a connecting part and a reflective mirror, the reflective mirror comprises a front surface and a back surface which are opposite, the front surface is provided with a reflective mirror surface, the reflective mirror is installed and connected with the second installation part of the mirror bracket, and the connecting part is connected with the reflective mirror. After the reflective mirror and the mirror frame are installed, an included angle alpha is formed between the front face of the reflective mirror and the upper surface of the first installation part, and the range of the included angle alpha is larger than or equal to 110 degrees and smaller than or equal to 155 degrees. The photovoltaic sun tracking system comprises a photovoltaic module and the efficiency improving device, wherein the first mounting part of the mirror bracket of the efficiency improving device is mounted and connected with the edge part in the width direction of the photovoltaic frame of the photovoltaic module. By arranging the mirror bracket and the inclined reflective mirror, sunlight irradiated outside the photovoltaic module is reflected to the photovoltaic module, so that the efficiency of the photovoltaic module for absorbing sunlight is improved, and the power generation efficiency of the photovoltaic module is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of photovoltaic power generation, in particular to a photovoltaic component efficiency improvement device and a photovoltaic sun tracking system. Background Art

[0002] The current photovoltaic solar tracking system adjusts the photovoltaic panels of the photovoltaic modules according to the position of the sunlight during the day, so that they are perpendicular to the sunlight, so that the photovoltaic panels are irradiated with greater intensity of sunlight, and the power generation of the photovoltaic modules is improved. The photovoltaic solar tracking system can keep the front of the photovoltaic panels of the photovoltaic modules perpendicular to the sunlight, and its functional potential has not been deeply explored. At present, there is no solution on the market to improve the power generation efficiency of photovoltaic modules on the photovoltaic solar tracking system. Utility Model Content

[0003] The technical problem to be solved by the utility model is to provide a photovoltaic module efficiency improvement device and a photovoltaic sun tracking system to improve the power generation efficiency of the photovoltaic module.

[0004] The technical solution adopted by the utility model to solve the above technical problems is: in the first aspect, a photovoltaic module efficiency improvement device comprises:

[0005] The frame comprises a first mounting portion, a second mounting portion and a connecting portion; the connecting portion connects the first mounting portion and the second mounting portion;

[0006] A reflector, the reflector comprising a front side and a back side opposite to each other, the front side having a reflective mirror surface;

[0007] The reflector is installed and connected to the second mounting portion of the mirror frame. After the reflector is installed to the mirror frame, the front surface of the reflector and the upper surface of the first mounting portion form an angle α, and the range of the angle α is: 110°≤α≤155°.

[0008] Preferably, the range of the angle α is: 130°≤α≤135°.

[0009] Preferably, the connecting portion comprises a connecting plate, a back surface of the connecting plate and a back surface of the first mounting portion form an angle β, and the range of the angle β is: 0°≤β≤180°.

[0010] Preferably, the range of the angle β is: 130°≤β≤135°; and / or, the connecting plate and the second mounting portion form a groove, the bottom of the groove and the upper surface of the first mounting portion form a depth C, and the range of the depth C is: 20mm≤C≤25mm.

[0011] Preferably, the width of the second mounting portion is D, and the range of the width D is: 40mm≤D≤50mm.

[0012] Preferably, the reflective mirror surface of the reflector is organic glass coated with aluminum film; the width of the reflective mirror surface is 220-250 mm; and / or the mirror frame is made of stainless steel.

[0013] Preferably, the second mounting portion defines a plurality of first mounting holes, the reflector defines a plurality of second mounting holes, and the first mounting holes are connected to the second mounting holes by mounting.

[0014] In a second aspect, a photovoltaic sun tracking system includes a photovoltaic module and the above-mentioned efficiency-enhancing device, wherein a first mounting portion of a frame of the efficiency-enhancing device is mounted and connected to an edge portion of a photovoltaic frame of the photovoltaic module.

[0015] Preferably, the first mounting portion defines a plurality of third mounting holes, the photovoltaic frame defines a plurality of fourth mounting holes, and the third mounting holes are installed and connected to the fourth mounting holes.

[0016] Preferably, the sun tracking system includes a bottom bracket and a supporting bracket, the bottom bracket is rotatably connected to the supporting bracket, and the bottom bracket is installed and connected to the photovoltaic frame.

[0017] The beneficial effect of the utility model is that by setting a mirror frame and an inclined reflector, the sunlight irradiated to the reflector surface is reflected to the photovoltaic panel of the photovoltaic module, and the sunlight irradiated outside the photovoltaic module is reflected to the photovoltaic module, thereby improving the efficiency of the photovoltaic module in absorbing sunlight, thereby improving the power generation efficiency of the photovoltaic module. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a three-dimensional structural schematic diagram of the efficiency-enhancing device of the utility model;

[0019] Figure 2 yes Figure 1 A schematic diagram of the main view;

[0020] Figure 3 It is a three-dimensional structural schematic diagram of the frame of the utility model;

[0021] Figure 4 It is a schematic diagram of the installation of the efficiency-enhancing device and the photovoltaic module of the utility model;

[0022] Figure 5 yes Figure 4 A schematic diagram of the main view;

[0023] Figure 6 This is a schematic diagram of the main view of the photovoltaic sun tracking system of the utility model;

[0024] Figure 7 This is a schematic diagram of the operation of a photovoltaic sun-tracking system without an efficiency-enhancing device installed;

[0025] Among them: 1. mirror frame; 101. first mounting part; 102. second mounting part; 103. connecting part; 104. first mounting hole; 105. third mounting hole; 2. reflector; 3. photovoltaic module; 4. bottom bracket; 5. supporting bracket. DETAILED DESCRIPTION

[0026] Now the utility model is further described in detail in conjunction with the accompanying drawings and preferred embodiments. These drawings are simplified schematic diagrams, which only illustrate the basic structure of the utility model in a schematic manner, and therefore only show the components related to the utility model.

[0027] First, as Figure 1 , Figure 2 As shown, a photovoltaic module efficiency improvement device comprises:

[0028] Frame 1, such as Figure 3 As shown, it includes a first mounting portion 101, a second mounting portion 102 and a connecting portion 103, the connecting portion 103 connects the first mounting portion 101 and the second mounting portion 102, the first mounting portion 101 is used to be installed and connected with the photovoltaic frame of the external photovoltaic component 3; the photovoltaic component 3 includes a photovoltaic frame and a plurality of photovoltaic panels, the photovoltaic panels are used to absorb sunlight, the photovoltaic panels are installed on the photovoltaic frame, and the installation structure of the photovoltaic panels and the photovoltaic frame can adopt the installation structure known to those skilled in the art.

[0029] A reflector 2, the reflector 2 comprising a front side and a back side opposite to each other, the front side having a reflective mirror surface, and the reflective mirror surface is used to reflect sunlight onto a photovoltaic panel of an external photovoltaic assembly 3;

[0030] The reflector 2 is installed and connected to the second mounting portion 102 of the mirror frame 1. After the reflector 2 is installed to the mirror frame 1, the front surface of the reflector 2 forms an angle α with the upper surface of the first mounting portion 101, and the range of the angle α is: 110°≤α≤155°. By providing the mirror frame 1 and the inclined reflector 2, the sunlight irradiated to the surface of the reflector 2 is reflected to the photovoltaic panel of the photovoltaic module 3, and the sunlight irradiated outside the photovoltaic module 3 is reflected to the photovoltaic module 3, thereby improving the efficiency of the photovoltaic module 3 in absorbing sunlight, thereby improving the power generation efficiency of the photovoltaic module 3.

[0031] Specifically, in an optional embodiment, the range of the angle α is: 130°≤α≤135°. The angle range is set so that the reflective mirror can cover more of the front of the photovoltaic component 3. The angle setting increases the light intensity on the front of the photovoltaic component 3 by about 15% and increases the power generation by about 15%.

[0032] Specifically, in an optional implementation, the connection portion 103 includes a connection plate, and the back surface of the connection plate forms an angle β with the back surface of the first mounting portion 101 , and the range of the angle β is: 0°≤β≤180°.

[0033] Specifically, in an optional embodiment, the range of the angle β is: 130°≤β≤135°, and / or, the connecting plate and the second mounting portion 102 form a groove, the bottom of the groove and the upper surface of the first mounting portion 101 form a depth C, the range of the depth C is: 20mm≤C≤25mm, and the formed groove can be used to discharge rainwater.

[0034] Specifically, in an optional implementation, the width of the second mounting portion 102 is D, and the range of the width D is: 40 mm ≤ D ≤ 50 mm; setting this width range allows the mounting position of the reflector 2 to be more spacious and provides a more secure support for the reflector 2.

[0035] Specifically, in an optional implementation, the reflective surface of the reflector 2 is organic glass coated with aluminum film, which can make the reflectivity reach 90%. The overall thickness of the reflector 2 is 2 mm. The reflector 2 has high weather resistance, low weight and low cost.

[0036] Specifically, in an optional implementation, the width of the reflective mirror surface is 220-250 mm, which can form a larger reflective area. Specifically, in an optional implementation, the frame 1 is made of stainless steel to ensure sufficient weather resistance.

[0037] Specifically, in an optional embodiment, the second mounting portion 102 is provided with a plurality of first mounting holes 104, the reflector 2 is provided with a plurality of second mounting holes, and the first mounting holes 104 are installed and connected with the second mounting holes. Specifically, in an optional embodiment, the first mounting holes 104 and the second mounting holes are oblong holes so that the installation positions of the reflector 2 and the second mounting portion 102 are adjustable, and the first bolt assembly is installed at the first mounting hole 104 and the second mounting hole so that the reflector 2 and the second mounting portion 102 are fastened and connected. Through the above-mentioned installation method, the reflector 2 and the mirror frame 1 form a detachable adjustable installation connection, which is convenient for disassembly and maintenance.

[0038] In the second aspect, a photovoltaic sun tracking system, such as Figure 4 , Figure 5 As shown, it includes a photovoltaic assembly 3 and the above-mentioned efficiency-enhancing device, and the first mounting portion 101 of the frame 1 of the efficiency-enhancing device is mounted and connected to the edge of the photovoltaic frame of the photovoltaic assembly 3 .

[0039] Specifically, in an optional embodiment, the first mounting portion 101 is provided with a plurality of third mounting holes 105, the photovoltaic frame is provided with a plurality of fourth mounting holes, and the third mounting holes are installed and connected with the fourth mounting holes. Specifically, in an optional embodiment, the third mounting holes 105 and the fourth mounting holes are oblong holes so that the installation position of the first mounting portion 101 and the photovoltaic frame can be adjusted, and the second bolt assembly is installed at the third mounting hole 105 and the fourth mounting hole so that the first mounting portion 101 is fastened and connected with the photovoltaic frame. Through the above-mentioned installation method, the mirror frame 1 and the photovoltaic assembly 3 form a detachable adjustable installation connection, which is convenient for disassembly and maintenance.

[0040] Specifically, in an optional implementation manner, Figure 6 As shown, the sun-tracking system includes a bottom bracket 4 and a supporting bracket 5. The bottom bracket 4 is rotatably connected with the supporting bracket 5. The bottom bracket 4 is installed and connected with the photovoltaic frame. When the bottom bracket 4 rotates, the front side of the photovoltaic panel of the photovoltaic module 3 is perpendicular to the sunlight. The efficiency-enhancing devices are symmetrically installed on the two side edges of the photovoltaic frame of the photovoltaic module 3.

[0041] The support bracket 5 is fixed to the ground. When the sunlight moves, the bottom bracket 4 rotates so that the front of the photovoltaic panel of the photovoltaic module 3 is perpendicular to the sunlight to receive greater intensity of solar radiation. The efficiency-enhancing devices on both sides of the module frame reflect the sunlight outside the photovoltaic module 3 to the photovoltaic module 3, thereby improving the efficiency of the photovoltaic module 3 in absorbing sunlight, thereby improving the power generation efficiency of the photovoltaic module 3. Figure 7 This is a schematic diagram of the operation of a photovoltaic sun-tracking system without an efficiency-enhancing device installed. Figure 7 The dotted line in indicates that the photovoltaic assembly 3 is rotated to other positions.

[0042] The above description only describes the specific implementation methods of the utility model. Various examples do not limit the essential content of the utility model. Ordinary technicians in the relevant technical field can modify or deform the specific implementation methods described above after reading the description without departing from the essence and scope of the utility model.

Claims

1. A photovoltaic module efficiency improvement device, characterized by: include: A spectacle frame (1), comprising a first mounting portion (101), a second mounting portion (102) and a connecting portion (103); the connecting portion (103) connects the first mounting portion (101) and the second mounting portion (102); A reflector (2), the reflector (2) comprising a front side and a back side opposite to each other, the front side having a reflective mirror surface; The reflector (2) is mounted and connected to the second mounting portion (102) of the mirror frame (1); after the reflector (2) and the mirror frame (1) are mounted, the front surface of the reflector (2) and the upper surface of the first mounting portion (101) form an angle α, and the range of the angle α is: 110°≤α≤155°.

2. A photovoltaic module efficiency improvement device according to claim 1, characterized in that: The range of the angle α is: 130°≤α≤135°.

3. A photovoltaic module efficiency improvement device according to claim 1, characterized in that: The connecting portion (103) comprises a connecting plate, the back surface of the connecting plate and the back surface of the first mounting portion (101) form an angle β, and the range of the angle β is: 0°≤β≤180°.

4. A photovoltaic module efficiency improvement device according to claim 3, characterized in that: The range of the angle β is: 130°≤β≤135°; and / or the connecting plate and the second mounting portion (102) form a groove, the bottom of the groove and the upper surface of the first mounting portion (101) form a depth C, and the range of the depth C is: 20mm≤C≤25mm.

5. The photovoltaic module efficiency improvement device according to claim 1, characterized in that: The width of the second mounting portion (102) is D, and the range of the width D is: 40 mm ≤ D ≤ 50 mm.

6. A photovoltaic module efficiency improvement device according to claim 1, characterized in that: The reflective mirror surface of the reflector (2) is organic glass coated with an aluminum film; the width of the reflective mirror surface is 220-250 mm; and / or the mirror frame (1) is made of stainless steel.

7. The photovoltaic module efficiency improvement device according to claim 1, characterized in that: The second mounting portion (102) is provided with a plurality of first mounting holes (104), the reflector (2) is provided with a plurality of second mounting holes, and the first mounting holes (104) are mounted and connected to the second mounting holes.

8. A photovoltaic sun tracking system, comprising a photovoltaic module (3) and the efficiency-enhancing device according to any one of claims 1 to 7, wherein a first mounting portion (101) of a frame (1) of the efficiency-enhancing device is mounted and connected to an edge portion of a photovoltaic frame of the photovoltaic module (3).

9. The photovoltaic sun tracking system according to claim 8, characterized in that: The first mounting portion (101) is provided with a plurality of third mounting holes (105), the photovoltaic frame is provided with a plurality of fourth mounting holes, and the third mounting holes (105) are mounted and connected to the fourth mounting holes.

10. The photovoltaic sun tracking system according to claim 8, characterized in that: The sun tracking system comprises a bottom bracket (4) and a supporting bracket (5), wherein the bottom bracket (4) is rotatably connected to the supporting bracket (5), and the bottom bracket (4) is installed and connected to the photovoltaic frame.

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