CN213072545U

CN213072545U - Tracking type photovoltaic support for double-sided photovoltaic module

Info

Publication number: CN213072545U
Application number: CN202022432687.XU
Authority: CN
Inventors: 涂洁磊; 肖祥江; 刘祖明; 李雷; 张炜楠; 孙晓宇; 胡凯; 余首柘; 吴佳豪
Original assignee: Yunnan Normal University
Current assignee: Yunnan Normal University
Priority date: 2020-10-28
Filing date: 2020-10-28
Publication date: 2021-04-27
Anticipated expiration: 2030-10-28

Abstract

The utility model relates to a trail formula photovoltaic support for two-sided photovoltaic module, include: base, stand, rack, arc reflection of light mirror surface, riser and two-sided photovoltaic module. The lower extreme of stand is fixed on the base, and the upper end of stand is fixed the rack, and the rack inclines for the stand to increase the photic area of photovoltaic board. The arc-shaped reflecting mirror surface is of an arc-shaped plate-shaped structure, and a plurality of groups of arc-shaped reflecting mirror surfaces are arranged and fixed on the net rack. The riser is fixed on the rack, and every group arc mirror surface corresponds two sets of risers, and it is the bottom surface both sides at arc mirror surface respectively. The two ends of the double-sided photovoltaic module are respectively fixed on the two sets of vertical plates, so that the arc-shaped reflecting mirror surface is divided into two parts, and the two sides of the double-sided photovoltaic module respectively and correspondingly receive light rays from the two parts of the arc-shaped reflecting mirror surface. The utility model discloses a photovoltaic support can realize two-sided electricity generation, increases the generated energy in the unit cell area in the unit interval.

Description

Tracking type photovoltaic support for double-sided photovoltaic module

Technical Field

The utility model relates to the field of photovoltaic technology, especially, relate to a tracking formula photovoltaic support for two-sided photovoltaic module.

Background

The information disclosed in the background of the invention is only for enhancement of understanding of the general background of the invention and is not necessarily to be construed as an admission or any form of suggestion that this information constitutes prior art that is already known to a person of ordinary skill in the art.

The most mainstream products of the existing crystalline silicon cells in the solar photovoltaic market have the proportion of about 80 percent in the market, in order to reduce the use cost of solar energy to the maximum extent, a double-sided photovoltaic cell is used for replacing a single-sided photovoltaic cell, the reverse side power generation characteristic of the double-sided photovoltaic cell is utilized, and the effective illumination radiation amount received by the photovoltaic cell is one of the technologies, but when the double-sided photovoltaic module is installed at present, the back side of the photovoltaic module can only receive diffuse reflection on the ground illuminated by the sun or reflection in the air, and the efficiency of the photovoltaic module cannot be exerted to the maximum.

SUMMERY OF THE UTILITY MODEL

To foretell problem, the utility model provides a photovoltaic support for two-sided photovoltaic module, this photovoltaic support can realize two-sided electricity generation, increases the generated energy in the unit cell area in the unit time. In order to achieve the above object, the technical solution of the present invention is as follows.

A tracking photovoltaic mount for a bifacial photovoltaic module, comprising: base, stand, rack, arc reflection of light mirror surface, riser and two-sided photovoltaic module. Wherein, the lower extreme of stand is fixed on the base, and the upper end of stand is fixed the rack, and the rack inclines for the stand to increase the photic area of photovoltaic board. The arc-shaped reflecting mirror surface is of an arc-shaped plate-shaped structure, and a plurality of groups of arc-shaped reflecting mirror surfaces are arranged and fixed on the net rack. The riser is fixed on the rack, and every group arc mirror surface corresponds two sets of risers, and it is the bottom surface both sides at arc mirror surface respectively. The two ends of the double-sided photovoltaic module are respectively fixed on the two sets of vertical plates, so that the arc-shaped reflecting mirror surface is divided into two parts, and the two sides of the double-sided photovoltaic module respectively and correspondingly receive light rays from the two parts of the arc-shaped reflecting mirror surface.

Further, the inboard of riser is provided with the rectangle recess, the tip block of two-sided photovoltaic module is in the rectangle recess to fix two-sided photovoltaic module between two sets of risers better.

Furthermore, the side of the vertical plate is provided with a screw hole, and the bolt enters the screw hole to fasten the double-sided photovoltaic module in the rectangular groove.

Further, the two-sided photovoltaic module coincides with the central axis of the arc-shaped mirror surface, so that the arc-shaped mirror surface is uniformly divided into two parts. Therefore, the front surface and the back surface of the double-sided photovoltaic module vertically receive the reflected light of the arc-shaped reflecting mirror surface, and double-sided power generation is realized.

Further, a gap is formed between the bottom edge of the double-sided photovoltaic module and the arc-shaped reflecting mirror surface, so that water can be drained in rainy days.

Furthermore, be swing joint between rack and the stand to the rack direction is adjusted to sun position information.

Further, still include sun azimuth sensor and rack direction adjustment mechanism, wherein, sun azimuth sensor sets up the upper end at the riser. Rack direction adjustment mechanism includes: control box, horizontal pole, lead screw, nut and motor, control box, horizontal pole are all fixed on the stand, and the control box is connected with the motor, the bottom of the fixed rack of motor, nut swing joint is on the horizontal pole. One end of the screw rod is connected with a power output shaft of the motor, the other end of the screw rod penetrates through a screw hole of the nut, and the external thread of the screw rod is matched with the thread of the screw hole.

Compared with the prior art, the utility model discloses following beneficial effect has: when sunlight irradiates the arc-shaped reflecting mirror surface, the sunlight is reflected to vertically irradiate the front side and the back side of the double-sided photovoltaic module, double-sided power generation is realized, and the generated energy in unit cell area in unit time is increased.

Drawings

The accompanying drawings, which form a part of the specification, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without unduly limiting the scope of the invention.

Fig. 1 is a schematic structural diagram of a tracking photovoltaic support for a bifacial photovoltaic module in an embodiment.

Fig. 2 is a side view of a tracking photovoltaic mount for a bifacial photovoltaic module according to an embodiment.

The scores in the figure represent: the solar photovoltaic power generation system comprises a base 1, a stand column 2, a net rack 3, an arc-shaped reflecting mirror surface 4, a vertical plate 5, a double-sided photovoltaic component 6, a rectangular groove 7, a bolt 8, a sun azimuth sensor 9, a control box 10, a cross bar 11, a lead screw 1, a nut 13 and a motor 14.

Detailed Description

It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the invention. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs.

For convenience of description, the words "upper", "lower", "left" and "right" in the present application, if any, merely indicate that the device or element referred to in the present application is constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention, since they are merely intended to be oriented in the upper, lower, left and right directions of the drawings themselves, and not to limit the structure, but merely to facilitate the description of the invention and to simplify the description.

Term interpretation section: the terms "mounted," "connected," "fixed," and the like in the present invention are to be understood in a broad sense, for example, they may be fixedly connected, detachably connected, or integrated; the two components can be connected mechanically, directly or indirectly through an intermediate medium, or connected internally or in an interaction relationship, and those skilled in the art can understand the specific meaning of the above terms in the present invention according to specific situations.

As described above, when the double-sided photovoltaic module is installed, the back surface of the photovoltaic module can only receive diffuse reflection of the sun on the ground or reflection in the air, and the efficiency of the photovoltaic module cannot be maximized. Therefore, the utility model provides a photovoltaic bracket for a double-sided photovoltaic module; the invention will now be further described with reference to the drawings and specific examples.

Referring to the attached drawings 1 and figures, the tracking photovoltaic support for a bifacial photovoltaic module shown in the attached drawings mainly comprises: base 1, stand 2, rack 3, arc reflection of light mirror surface 4, riser 5 and two-sided photovoltaic module 6. Wherein, the lower extreme of stand 2 is fixed on base 1, and the upper end of stand 2 is fixed rack 3, and rack 3 inclines for stand 2 to increase the photic area of photovoltaic board. The arc-shaped reflecting mirror surface 4 is of an arc-shaped plate-shaped structure, and a plurality of groups of arc-shaped reflecting mirror surfaces 4 are arranged and fixed on the net rack 3. The risers 5 are fixed on the net rack 3, and each group of arc-shaped reflecting mirror surfaces 4 corresponds to two groups of risers 5 which are respectively arranged on two sides of the bottom surface of the arc-shaped reflecting mirror surface 4. The two ends of the double-sided photovoltaic module 6 are respectively fixed on the two sets of vertical plates 5, so that the arc-shaped reflecting mirror surface 4 is divided into two parts, and the two sides of the double-sided photovoltaic module 6 mainly and correspondingly receive vertical reflection light rays from the two parts of mirror surfaces of the arc-shaped reflecting mirror surface 4 except for receiving solar reflection or scattering in the air, thereby realizing double-sided power generation and increasing the generated energy in unit time on unit cell area.

Further, with continued reference to fig. 1, in other embodiments, the inner sides of the risers 5 are provided with rectangular recesses 7, the ends of the bifacial photovoltaic module 6 snap into the rectangular recesses 4 to better secure the bifacial photovoltaic module 6 between the two sets of risers 5.

Further, with continued reference to fig. 1, in other embodiments, the sides of the risers 5 are provided with screw holes into which the fastening of the bifacial photovoltaic modules 6 in the rectangular recesses 7 is achieved by means of bolts 8.

Further, in other embodiments, the bifacial photovoltaic module 6 coincides with the central axis of the curved mirror surface 4, thereby evenly dividing the curved mirror surface 4 into two portions. A gap is formed between the bottom edge of the double-sided photovoltaic module 6 and the arc-shaped reflecting mirror surface 4, so that water can be drained in rainy days.

Further, referring to the figures, in other embodiments, the net rack 3 is movably connected with the upright post 2 so as to adjust the direction of the net rack by the sun direction information. Still include solar azimuth sensor 9 and rack direction adjustment mechanism, wherein, solar azimuth sensor 9 sets up the upper end at the riser to be convenient for gather sun azimuth information, provide the basis for adjustment rack direction. Rack direction adjustment mechanism includes: control box 10, horizontal pole 11, lead screw 1, nut 13 and motor 14, control box 10, horizontal pole 11 are all fixed on stand 2, and control box 10 is connected with motor 14, the bottom of the fixed rack 3 of motor 14, nut 13 rotates and connects on horizontal pole 11. One end of the screw rod 1 is connected with a power output shaft of the motor 14, the other end of the screw rod 1 penetrates through a screw hole of the screw cap 13, and the external thread of the screw rod 1 is matched with the thread of the screw hole.

The control box 10 controls the rotation of the motor 14 by sensing the sun azimuth condition through the sun azimuth sensor 9, the motor 14 further drives the screw rod 1 to rotate, the arc-shaped reflecting mirror surface 4 is positioned at the position which is optimal for receiving sunlight through the rotation of the screw rod 1, more sunlight can vertically irradiate on the double-sided photovoltaic module 6, and therefore the power generation efficiency is in the best state.

Finally, it should be understood that any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention. Although the present invention has been described with reference to the accompanying drawings, it is not intended to limit the scope of the present invention, and those skilled in the art should understand that various modifications or variations that can be made by those skilled in the art without inventive work are still within the scope of the present invention.

Claims

1. A tracking photovoltaic support for a bifacial photovoltaic module, comprising: the device comprises a base, a stand column, a net rack, an arc-shaped reflecting mirror surface, a vertical plate and a double-sided photovoltaic module; the lower end of the upright post is fixed on the base, the upper end of the upright post is fixed with the net rack, and the net rack is inclined relative to the upright post; the arc-shaped reflecting mirror surface is of an arc-shaped plate-shaped structure, and a plurality of groups of arc-shaped reflecting mirror surfaces are arranged and fixed on the net rack; the vertical plates are fixed on the net rack, and each group of arc-shaped reflecting mirror surface corresponds to two groups of vertical plates which are respectively arranged at two sides of the bottom surface of the arc-shaped reflecting mirror surface; the two ends of the double-sided photovoltaic module are respectively fixed on the two sets of vertical plates, so that the arc-shaped reflecting mirror surface is divided into two parts, and the two sides of the double-sided photovoltaic module respectively and correspondingly receive light rays from the two parts of the arc-shaped reflecting mirror surface.

2. The tracking photovoltaic support for bifacial photovoltaic modules of claim 1, wherein the inner sides of said risers are provided with rectangular grooves in which the ends of said bifacial photovoltaic modules snap fit.

3. The tracking photovoltaic support for bifacial photovoltaic modules of claim 1, wherein the sides of said risers are provided with screw holes into which the fastening of bifacial photovoltaic modules in the rectangular recesses is accomplished by bolts.

4. The tracking photovoltaic mount for a bifacial photovoltaic module as recited in claim 1, wherein said bifacial photovoltaic module coincides with a central axis of the curved mirror surface, thereby uniformly dividing the curved mirror surface into two portions.

5. The tracking photovoltaic mount for a bifacial photovoltaic module as recited in any one of claims 1-4, wherein a gap is provided between the bottom edge of the bifacial photovoltaic module and the curved mirror surface.

6. The tracking photovoltaic support for bifacial photovoltaic modules of any one of claims 1 to 4, wherein said grid is movably connected to said columns.

7. The tracking photovoltaic support for bifacial photovoltaic modules of claim 6, further comprising a solar orientation sensor and a grid orientation adjustment mechanism, wherein the solar orientation sensor is disposed at an upper end of the riser; rack direction adjustment mechanism includes: the control box and the cross rods are fixed on the stand columns and connected with the motor, the motor fixes the bottom of the net rack, and the nuts are rotationally connected to the cross rods; one end of the screw rod is connected with a power output shaft of the motor, the other end of the screw rod penetrates through a screw hole of the nut, and the external thread of the screw rod is matched with the thread of the screw hole.