CN102544175A - Light compensation device for solar panel - Google Patents

Abstract

The invention discloses a supplementary light device for a solar cell panel, which comprises a bracket and a supplementary light panel, and the supplementary light panel is obliquely fixed and installed on one side or two sides or three sides or four side frames of the solar cell panel by the bracket; The light panel and the solar panel are installed close to each other or installed at a distance, the ratio k of the sum of the area of the supplementary light panel and the area of the distance to the area of the solar panel is 0.8-1.8, and the inclined installation angle α is 115°-123°. The larger the area ratio k, the smaller the inclined installation angle α; the supplementary light panel is composed of a frame, a support base, a reflective film fixed on the support base and a transparent protective film fixed on the reflective film. The support base, reflective film and transparent A frame is fixed around the protective film. The invention can increase the power generation of the solar battery panel and lower the light intensity for starting the power generation of the solar battery panel; the structure is simple, the installation is convenient, no energy is consumed, and the utilization rate of the solar battery panel is increased to the greatest extent.

Description

Supplementary light device for solar panels

technical field

The invention relates to a supplementary light device for a solar battery panel.

Background technique

At present, new energy sources have been widely used in industrial production and people's daily life, and devices using solar panels for power generation are more widely used. The power generation of solar panels is proportional to the light intensity irradiated on it. Due to the limitation of light intensity, the power generation of solar panels cannot reach the rated value in most of the time, resulting in low overall utilization rate of photovoltaic equipment. The existing technology is to use a tracking device to adjust the angle between the sun's rays and the photovoltaic panel to increase the light intensity on the photovoltaic panel. Tracking devices are expensive and cannot activate solar panels to generate electricity when the light itself is weak.

Contents of the invention

The purpose of the present invention is to provide a supplementary light device for solar panels to solve the problem that the existing solar panels cannot start power generation under low light intensity during use, and the power generation cannot reach the rated value most of the time. , which has a simple structure and can increase the power generation of the solar panel.

In order to achieve the above object, the technical solution adopted by the present invention is: a light supplement device for a solar cell panel, which includes a bracket and a light supplement panel, and the light supplement panel is obliquely fixed and installed on one side or both sides of the solar panel by the bracket Or on the three or four sides of the frame; the supplementary light panel and the solar panel are installed close to each other or installed at a distance. The installation angle α is 115°-123°, the larger the area ratio k, the smaller the inclined installation angle α; the supplementary light panel consists of a frame, a support base plate, a reflective film fixed on the support base plate and a transparent protective film fixed on the reflective film It consists of a support base plate, a reflective film and a transparent protective film with a frame fixed around it.

The bracket described above includes a fixed base, a connecting shaft and a support rod; two or more fixed bases are fixed or detachably fixed on the connecting shaft, and the fixed base is fixed or detachably fixed on the side frame of the solar panel , the frame of the supplementary light panel is detachably fixed on the support rod, and the support rod is rotatably and fixably installed at both ends of the connecting shaft, so that the supplementary light panel is installed obliquely on the side frame of the solar panel; or the supplementary light panel The frame of the light panel is detachably fixed on the support rod, the support rod is fixed or detachably fixed at both ends of the connecting shaft, and two or more fixed bases are fixed or detachably fixed on the side frame of the solar panel On the top, the connecting shaft is rotatably and fixably installed on two or more fixed bases, so that the supplementary light panel is installed obliquely on the side frame of the solar panel.

The connecting shafts mentioned above are passed through two or more fixed bases, and there are bolt holes on the fixed bases, and the positions of the connecting shafts corresponding to the bolt holes have grooves, and the connecting shafts are fixed in the fixed bases by bolts. The fixed base is fixed on the side frame of the solar panel by bolts; the frame of the supplementary light panel is fixed on the support rod by bolts; the support rod passes through the two ends of the connecting shaft and is locked by a lock nut fixed on the connecting shaft fixed.

The above-mentioned relationship between the optimal tilting installation angle α of the supplementary light panel and the solar panel and the area ratio k conforms to the following formula: cot(2α)= k sin(α)/(1-k cos(α )).

The support bottom plate of the above-mentioned supplementary light panel is a hard plastic plate, the reflective film is tinfoil paper, and the transparent protective film is a transparent plastic film.

The invention can reflect the light that cannot be irradiated on the solar battery panel to the solar battery panel, so as to enhance the light intensity irradiated on the solar battery panel and increase the power generation of the solar battery panel. Compared with the prior art, it can increase the light intensity irradiated to the solar panel when the light intensity is insufficient, so that the light intensity for the solar panel to start generating power is lower; moreover, when the solar panel can generate electricity , further enhance the light intensity irradiated to the solar panel, and increase the power generation of the solar panel. The invention has simple structure, convenient installation, does not use a motor to drive, does not consume any energy, and maximizes the utilization rate of the solar battery panel.

Description of drawings

Fig. 1 is the front view of support among the present invention;

Fig. 2 is the left side view of support bar among the present invention;

Fig. 3 is the top view of support bar among the present invention;

Fig. 4 is the front view of the supplementary light panel in the present invention;

Fig. 5 is the AA sectional view of Fig. 4;

Fig. 6 is a structural schematic diagram of the present invention being installed close to a solar cell panel with a biaxial tracking system;

Fig. 7 is a structural schematic diagram of the present invention being installed close to a solar panel without a tracking system;

Fig. 8 is a schematic diagram of the structure of the present invention installed on a solar panel without a tracking system at intervals.

Detailed ways

The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.

As shown in FIG. 1 , FIG. 2 , FIG. 3 , FIG. 4 and FIG. 5 , this embodiment includes a bracket and a supplementary light panel. The bracket includes a fixed base 9 , a connecting shaft 8 and a support rod 6 . The connecting shaft 8 is passed through two or more fixed bases 9, the present embodiment is three, the fixed base 9 is provided with a bolt hole, and the position of the connecting shaft 8 corresponding to the bolt hole has a groove, and the connection The shaft 8 is fastened in the fixed base 9 by bolts 10 . The fixed base 9 is fixed on the side frame of the solar panel by bolts. The two side frames 12 of the supplementary light panel 4 and the two support rods 6 have corresponding bolt holes 11 and 5 respectively, and the two are fixed together by bolts through the bolt holes 11 and 5; end, after adjusting the inclined installation angle α between the supplementary light panel 4 and the solar panel 3 to a value between 115°-123°, each support rod 6 is respectively locked by two lock nuts 7 fixed on the connecting shaft 8 Tight fix. The supplementary light panel 4 is made up of a frame 12, a support base 14, a reflective film 15 fixed on the support base 14, and a transparent protective film 13 fixed on the reflective film 15; The film adopts tinfoil paper, the transparent protective film adopts transparent plastic film, and the three are crimped and fixed together, and a frame 12 is fixed around them. The supplementary light panel 4 and the solar cell panel 3 are installed close to each other or installed at a distance, and the ratio k of the sum of the area of the supplementary light panel 4 and the area of the distance to the area of the solar cell panel 3 is 0.8-1.8. The larger the area ratio k, the smaller the inclined installation angle α. The relationship between the optimal inclined installation angle α and the area ratio k of the supplementary light panel 4 and the solar panel 3 conforms to the following formula: cot(2α)=k sin(α)/(1-k cos( α)).

The above-mentioned embodiments are only preferred and exemplary, and those skilled in the art can also choose other fixing methods for fixing the base and the side frame of the solar panel, and other fixing methods for fixing the frame of the supplementary light panel and the support rod according to the description of this patent. Way, the rotatable and retainable other fixing ways of the support rod and the connecting shaft. It is also possible to choose a structure in which the connecting shaft and the supporting frame are fixed together, and the connecting shaft is rotatable and fixable mounted on the fixed base: that is, the frame of the light supplement panel is detachably fixed on the supporting rod, and the supporting rod is fixed on or It is detachably fixed at both ends of the connecting shaft, two or more fixed bases are fixed or detachably fixed on the side frame of the solar panel, and the connecting shaft is rotatably and retainably mounted on two or more fixed bases. on the base so that the fill light panel can be installed obliquely on the side frame of the solar panel. These are all covered by the protection scope of this patent.

As shown in FIG. 6 , in this application example, four present inventions are installed close to each other on four sides of a solar panel with a dual-axis tracking system. The installation angle α is 120°, and the ratio k of the area of the supplementary light panel to the area of the solar panel is 1. 1 is the horizontal rotation axis, 2 is the vertical pitch axis, 3 is the solar panel, and 4 is the supplementary light panel.

The above example can also be installed on only one or two or three sides of the solar cell panel with an oblique installation of the present invention or with a spaced distance. The present invention is installed at intervals, so that in a windy environment, the present invention and the solar panel are fixed more reliably. Its installation angle α can be between 115°-123°. The ratio k of the sum of the area of the supplementary light panel and the area of the spacing distance to the area of the solar panel is 0.8-1.8. The larger the area ratio k is, the more inclined the installation angle α will be. Small.

As shown in FIG. 7 , this application example is to install the present invention close to one side of a solar panel without a tracking system. The installation angle is 115°, and the ratio k of the area of the supplementary light panel to the area of the solar panel is 1.5. 17 is the fixed support shaft of the solar panel, 3 is the solar panel, and 4 is the supplementary light panel.

In the above example, the installation angle α can be between 115°-123°, and the area ratio k of the supplementary light panel to the area of the solar panel is 0.8-1.8. The larger the area ratio k, the smaller the inclined installation angle α.

As shown in Figure 8, this application example is to install a spacer of the present invention on one side of a solar panel without a tracking system. The installation angle is 123°, and the ratio k of the area of the supplementary light panel to the area of the solar panel is 0.8. 17 is the fixed support shaft of the solar panel, 3 is the solar panel, and 4 is the supplementary light panel.

The installation angle α of the above example can be between 115°-123°, the area ratio k of the sum of the area of the supplementary light panel and the area of the spacing distance to the area of the solar panel is 0.8-1.8, the larger the area ratio k, the inclined installation angle α smaller.

Claims (6)

1. A supplementary light device for a solar cell panel, characterized in that: it includes a support and a supplementary light panel, and the supplementary light panel is fixedly installed on one side or both sides or three sides or four side frames of the solar panel by the support The supplementary light panel and the solar panel are installed close to each other or installed at a distance, the ratio k of the sum of the area of the supplementary light panel and the area of the distance to the area of the solar panel is 0.8-1.8, and the inclined installation angle α is 115°-123 °, the larger the area ratio k, the smaller the inclined installation angle α; the supplementary light panel is composed of a frame, a supporting base plate, a reflective film fixed on the supporting base plate and a transparent protective film fixed on the reflective film, the supporting base plate, the reflective film And the transparent protective film is fixed with a frame around it. 2. The supplementary light device for solar cell panels according to claim 1, characterized in that: the support includes a fixed base, a connecting shaft and a support rod; two or more are fixed or detachably fixed on the connecting shaft A fixed base, the fixed base is fixed or detachably fixed on the side frame of the solar panel, the frame of the supplementary light panel is detachably fixed on the support rod, and the support rod is rotatably and fixably mounted on the two ends of the connecting shaft. end, so that the light supplement panel is obliquely installed on the side frame of the solar panel; or the frame of the light supplement panel is detachably fixed on the support rod, and the support rod is fixed or detachably fixed at both ends of the connecting shaft One or more fixed bases are fixed or detachably fixed on the side frame of the solar panel, and the connecting shaft is rotatably fixed on two or more fixed bases, so that the supplementary light panel is installed obliquely on the solar panel. on the side frame of the battery board. 3. The light supplement device for solar panels according to claim 2, characterized in that: the connecting shafts are passed through two or more fixed bases, and bolt holes are opened on the fixed bases, corresponding to the bolt holes The position of the connecting shaft has a groove, the connecting shaft is fixed in the fixed base by bolts, and the fixed base is fixed on the side frame of the solar panel by bolts; the frame of the light supplement panel is fixed on the support rod by bolts; the support rod wears At both ends of the connecting shaft, it is locked and fixed by lock nuts fixed on the connecting shaft. 4. The supplementary light device for solar cell panels according to claim 1, 2 or 3, characterized in that: the relationship between the inclined installation angle α and the area ratio k of the supplementary light panel and the solar cell panel conforms to the following Formula: cot(2α) = k sin(α)/(1-k cos(α)). 5 . The light supplementing device for a solar cell panel according to claim 4 , wherein the supporting bottom plate of the light supplementing panel is a hard plastic plate, the reflective film is tinfoil, and the transparent protective film is a transparent plastic film. 6. The light-filling device of a solar cell panel according to claim 1, 2 or 3, characterized in that: the supporting bottom plate of the light-filling panel is a hard plastic plate, the reflective film is tinfoil, and the transparent protective film is Transparent plastic film.

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