CN207368949U - A kind of adjustable two-sided film photovoltaic cell device of telescopic bracing formula - Google Patents

Abstract

The utility model discloses a kind of adjustable two-sided film photovoltaic cell device of telescopic bracing formula, including at least two ground photovoltaic power generation apparatus and the reflex reflector that is arranged between two neighboring photovoltaic bracket；Reflex reflector includes bracket base, the first column, girder, reflective medium, the first diagonal brace and the second diagonal brace；Bracket base fixes on the ground, first column is fixed on bracket base side, first and second diagonal brace one end offers multiple pin holes being arranged side by side, and the first diagonal brace band pin hole one end is telescopically inserted on the second diagonal brace band pin hole one end, and is achieved a fixed connection by latch；First diagonal brace is hinged away from pin hole one end and girder one end, and the second diagonal brace is hinged on bracket base away from the first column side away from pin hole one end；The girder other end is hinged at the top of the first column；Reflective medium is fixedly mounted on girder.The application is by setting telescopically adjustable reflex reflector, so as to fulfill the change of reflective medium angle, to improve module backside intensity of illumination.

Description

A telescopic diagonal brace type adjustable double-sided photovoltaic cell device

technical field

The utility model relates to the technical field of renewable energy, in particular to a telescopic diagonal brace type adjustable double-sided photovoltaic cell device.

Background technique

Photovoltaic power generation is an emerging renewable energy technology that has been industrialized. Photovoltaic cell components are the core components of solar power generation systems. At present, photovoltaic cell components are mainly divided into two types: single-sided photovoltaic cells and double-sided photovoltaic cells. Compared with single-sided photovoltaic cells, double-sided photovoltaic cells can not only absorb energy from the front of the battery Light energy can also absorb the back reflected light and the diffuse reflected light of the surrounding environment, which has higher photoelectric conversion efficiency. At present, the production process of double-sided photovoltaic cells is becoming more and more mature. Double-sided photovoltaic cells have higher photoelectric conversion efficiency and output power. While increasing the power generation of modules, it is also conducive to further reducing the overall cost of photovoltaic systems. It has good engineering applications and development. prospect.

However, for ground-mounted photovoltaic power generation systems, photovoltaic supports are generally erected on concrete ground or fixed on natural soil. However, the reflectivity of concrete ground or natural soil to natural light is low, which limits the power generation efficiency of the back side of the bifacial module. Therefore, there are It is necessary to design a double-sided battery module support system with a reflective device to increase the backside illumination intensity of the module and increase the power generation efficiency of the module.

Utility model content

In order to overcome the deficiencies of the prior art, the purpose of the utility model is to provide a telescopic brace type adjustable double-sided photovoltaic cell device. In this application, by setting a retractable and adjustable reflective device, by manually adjusting the hole positions of the first diagonal brace and the second diagonal brace, the total length of the two diagonal braces can be telescopically adjusted, so as to realize the change of the angle of the reflective medium, so as to improve The light intensity on the back of the module increases the power generation efficiency of the module.

The purpose of this utility model is achieved by the following technical solutions: a telescopic brace type adjustable double-sided photovoltaic cell device, including at least two ground photovoltaic power generation devices and a reflective device arranged between two adjacent photovoltaic supports; The reflective device includes a support base, a first column, a main beam, a reflective medium, a first diagonal brace and a second diagonal brace; the support base is fixed on the ground, and the bottom of the first column is fixed on one side of the support base, One end of the first slant brace and the second slant brace are provided with a plurality of pin holes arranged side by side, and one end of the first slant brace with pin holes is telescopically inserted into one end of the second slant brace with pin holes, and The fixed connection is realized by the bolt; the end of the first brace away from the pin hole is hinged to the end of the main beam, and the end of the second brace away from the pin hole is hinged on the side of the bracket base away from the first column; the main The other end of the beam is hinged on the top of the first column; the reflective medium is fixedly installed on the main beam.

Further, the total length of the first diagonal brace and the second diagonal brace is greater than the length of the first column.

Further, the ground photovoltaic power generation device includes a pre-installed ground anchor, a second column, a third column, a double-sided photovoltaic panel, and a photovoltaic panel installation frame; the pre-installed ground anchor is pre-installed on the ground, For fixing the second column and the third column; the second column and the third column are installed on the ground anchor bolt pre-installation, the height of the second column is higher than the height of the third column; the photovoltaic panel installation frame Installed obliquely on the first column and the second column, the double-sided photovoltaic panel is installed in the photovoltaic panel installation frame.

Further, the ground photovoltaic power generation device further includes a third brace connected between the second column and the photovoltaic panel installation frame or between the third column and the photovoltaic panel installation frame.

Further, the photovoltaic panel installation frame includes vertical installation rods and horizontal installation rods, and the vertical installation rods and horizontal installation rods are arranged in a criss-cross pattern to form several areas for installing a single double-sided photovoltaic panel; the double-sided photovoltaic panel The panels are mounted in an array of fasteners in each area.

Further, the reflective medium is a reflective plate.

Compared with the prior art, the beneficial effects of the utility model are:

Due to the difference in geographical location and terrain, the sun's altitude angle is also different. In order to achieve the optimal power generation efficiency, the inclination angle of each photovoltaic power generation array also varies with the design conditions. Therefore, it is necessary to design a reflective medium angle adjustable device to increase the application To achieve the purpose of maximizing the intensity of reflected light and increasing the power generation efficiency of the ground photovoltaic power generation device. In this application, by setting a retractable and adjustable reflective device, by manually adjusting the hole positions of the first diagonal brace and the second diagonal brace, the total length of the two diagonal braces can be telescopically adjusted, so as to realize the change of the angle of the reflective medium, so as to improve The light intensity on the back of the module increases the power generation efficiency of the module.

Description of drawings

Fig. 1 is a schematic structural diagram of a telescopic brace type adjustable double-sided photovoltaic cell device in a preferred embodiment of the present invention;

Fig. 2 is a structural schematic diagram of the reflective device.

In the figure: 1. Ground photovoltaic power generation device; 11. Ground anchor bolt pre-installation; 12. Second column; 13. Third column; 14. Double-sided photovoltaic panel; 15. Photovoltaic panel installation frame; 16. Third oblique 2, reflective device; 21, bracket base; 22, first column; 23, main beam; 24, reflective medium; 25, first diagonal brace; 26, second diagonal brace; L, ground.

Detailed ways

Below, the utility model will be further described in conjunction with the accompanying drawings and specific implementation methods. It should be noted that, on the premise of not conflicting, the various embodiments or technical features described below can be combined arbitrarily to form new implementations. example.

As shown in Figure 1-2, a telescopic brace type adjustable double-sided photovoltaic cell device includes at least two ground photovoltaic power generation devices 1 and a reflective device 2 arranged between two adjacent photovoltaic supports;

Specifically, the ground photovoltaic power generation device 1 includes a pre-installed ground anchor bolt 11, a second column 12, a third column 13, a double-sided photovoltaic panel 14, and a photovoltaic panel mounting frame 15; above, used to fix the second column and the third column; the second column and the third column are installed on the ground anchor bolt prefabricated parts through the existing fasteners (such as screws, bolts), and the height of the second column is higher than The height of the third column; the photovoltaic panel installation frame is obliquely installed on the first column and the second column, and the double-sided photovoltaic panel is installed in the photovoltaic panel installation frame.

The ground photovoltaic power generation device also includes a third brace 16 connected between the second column and the photovoltaic panel installation frame or between the third column and the photovoltaic panel installation frame. The third diagonal brace, the photovoltaic panel mounting frame and the column form a stable triangular structure, so that the double-sided photovoltaic panel can be stably installed in the photovoltaic panel mounting frame to provide a rigid support structure with stable support.

The photovoltaic panel mounting frame includes vertical installation rods and horizontal installation rods, and the vertical installation rods and horizontal installation rods are arranged in a criss-cross pattern to form several areas for installing a single double-sided photovoltaic panel; the double-sided photovoltaic panels are installed in an array by fasteners in various regions. In order to increase the light-absorbing area of double-sided photovoltaic panels and improve photoelectric conversion efficiency, the installation of photovoltaic panels is divided into array-type installation areas, and double-sided photovoltaic panels are installed in arrays in each area.

The reflector 2 comprises a support base 21, a first column 22, a main beam 23, a reflective medium 24, a first diagonal brace 25 and a second diagonal brace 26; the support base is fixed on the ground, and the bottom of the first column is fixed on the bottom of the support base. On one side, one end of the first brace and the second brace are provided with a plurality of pin holes arranged side by side, and one end of the first brace with the pin hole is telescopically inserted into one end of the second brace with the pin hole, And the fixed connection is realized by a latch (not shown in the figure); the end of the first brace away from the pin hole is hinged to the end of the main beam, and the end of the second brace away from the pin hole is hinged on the side of the bracket base away from the first column; The other end of the main beam is hinged on the top of the first column; the reflective medium is fixedly installed on the main beam. Preferably, the total length of the first diagonal brace and the second diagonal brace is greater than the length of the first column.

As a preferred solution in this application, the reflective medium is a reflective plate, and the type of reflective plate can be but not limited to an aluminum foil plate.

Due to the difference in geographical location and terrain, the sun's altitude angle is also different. In order to achieve the optimal power generation efficiency, the inclination angle of each photovoltaic power generation array also varies with the design conditions. Therefore, it is necessary to design a reflective medium angle adjustable device to increase the application To achieve the purpose of maximizing the intensity of reflected light and increasing the power generation efficiency of the ground photovoltaic power generation device. In this application, by setting a retractable and adjustable reflective device, by manually adjusting the hole positions of the first diagonal brace and the second diagonal brace, the total length of the two diagonal braces can be telescopically adjusted, so as to realize the change of the angle of the reflective medium, so as to improve The light intensity on the back of the module increases the power generation efficiency of the module.

The installation process of this double-sided photovoltaic cell device is as follows:

First bury the pre-installed ground anchor on the ground. The longer the pre-embedded depth, the higher the stability of the pillar; top; then install braces as required. Then install the photovoltaic panel mounting frame to form multiple double-sided photovoltaic panel installation areas, and then use bolts or screws to fix the photovoltaic panel mounting frame on the second column and the third column; Photovoltaic panels are installed in various areas;

Fix the support base in the reflective device on the ground, then fix the first column on one side of the support base, install the first diagonal brace and the second diagonal brace on the other side of the support base, and hinge one end of the main beam on the The top of the first column, and the other end is hinged on the first brace; finally, the reflector is installed on the main beam; the angle of the reflector is adjusted through the cooperation of the bolt and each hole on the brace, and the back of the double-sided photovoltaic panel is improved. Light intensity, improve power generation efficiency.

The above-mentioned embodiments are only preferred embodiments of the present utility model, and cannot be used to limit the scope of protection of the present utility model. The scope of protection required by the utility model.

Claims (6)

1. a kind of adjustable two-sided film photovoltaic cell device of telescopic bracing formula, it is characterised in that including at least two ground photovoltaic generations Device and the reflex reflector being arranged between two neighboring photovoltaic bracket；The reflex reflector is stood including bracket base, first Column, girder, reflective medium, the first diagonal brace and the second diagonal brace；The bracket base fixes on the ground, the bottom of first column Portion is fixed on the side of bracket base, and first diagonal brace and second diagonal brace one end offer multiple pin holes being arranged side by side, The one end of first diagonal brace with pin hole is telescopically inserted on second one end of diagonal brace with pin hole, and realizes fixed connect by latch Connect；One end of first diagonal brace one end and girder away from pin hole is hinged, and the described one end of second diagonal brace away from pin hole is hinged In side of the bracket base away from the first column；The other end of the girder is hinged on the top of the first column；Reflective Jie Matter is fixedly mounted on girder.

2. double side photovoltaic battery device as claimed in claim 1, it is characterised in that first diagonal brace and the second diagonal brace overall length Length of the degree more than the first column.

3. double side photovoltaic battery device as claimed in claim 1, it is characterised in that the ground photovoltaic power generation apparatus includes ground Crab-bolt package, the second column, the 3rd column, two-sided photovoltaic panel, photovoltaic board mounting stand；Described ground crab-bolt package is installed in advance On the ground, for fixing the second column and the 3rd column；Second column, the 3rd column are installed on ground crab-bolt package On, the height of second column is higher than the height of the 3rd column；The photovoltaic board mounting stand is mounted obliquely within the first column With on the second column, the two-sided photovoltaic panel be installed on photovoltaic board mounting stand in.

4. double side photovoltaic battery device as claimed in claim 3, it is characterised in that the ground photovoltaic power generation apparatus further includes company The 3rd diagonal brace for being connected between the second column and photovoltaic board mounting stand or being connected between the 3rd column and photovoltaic board mounting stand.

5. double side photovoltaic battery device as claimed in claim 3, it is characterised in that the photovoltaic board mounting stand, which includes longitudinal direction, pacifies Dress bar is used to install list with the crisscross setting of bar is transversely mounted with bar, the longitudinally mounted bar is transversely mounted to form several The region of a two-sided photovoltaic panel；The two-sided photovoltaic panel is installed in regional by fastener arrays formula.

6. double side photovoltaic battery device as claimed in claim 1, it is characterised in that the reflective medium is reflector.