Double-layer omnibearing photovoltaic module system and power generation method

文档序号:229854 发布日期:2021-11-09 浏览:2次 中文

阅读说明:本技术 一种双层全方位光伏组件系统及发电方法 (Double-layer omnibearing photovoltaic module system and power generation method ) 是由 李腾 高培鑫 李家川 邵振州 高建辉 于 2021-08-31 设计创作,主要内容包括:本发明公开了一种双层全方位光伏组件系统及发电方法,包括垂直主支架,所述垂直主支架上连接有主支架横柱,所述主支架横柱和垂直主支架垂直,所述主支架横柱为圆柱结构,所述主支架横柱的外表面上贴附有第一光伏组件;所述垂直主支架的顶部端面连接有若干根散射状支架,若干根散射状支架呈伞状布置,相邻散射状支架上均连接有第二光伏组件,若干个第二光伏组件的顶点交汇于同一点,相邻第二光伏组件的侧边紧密接触,若干个第二光伏组件呈金字塔结构。本发明充分利用土地空间,实现了一种每天不同时间段,不同季节(不同太阳能经维度情况)最大限度接收太阳能光照资源,提高光伏电站整体发电效率和发电量,具有很好的经济性。(The invention discloses a double-layer omnibearing photovoltaic module system and a power generation method, wherein the double-layer omnibearing photovoltaic module system comprises a vertical main support, a main support cross column is connected to the vertical main support, the main support cross column is vertical to the vertical main support, the main support cross column is of a cylindrical structure, and a first photovoltaic module is attached to the outer surface of the main support cross column; the top end face of the vertical main support is connected with a plurality of scattering supports which are arranged in an umbrella shape, the adjacent scattering supports are connected with second photovoltaic modules, the vertexes of the second photovoltaic modules are intersected at the same point, the sides of the adjacent second photovoltaic modules are in close contact, and the second photovoltaic modules are in a pyramid structure. The invention fully utilizes the land space, realizes that the solar energy illumination resource is received to the maximum extent in different seasons (different solar energy through dimension conditions) at different time periods every day, improves the integral generating efficiency and generating capacity of the photovoltaic power station, and has good economical efficiency.)

1. The double-layer omnibearing photovoltaic module system is characterized by comprising a vertical main support (11), wherein a main support cross column (13) is connected to the vertical main support (11), the main support cross column (13) is vertical to the vertical main support (11), the main support cross column (13) is of a cylindrical structure, and a first photovoltaic module (21) is attached to the outer surface of the main support cross column (13);

the top end face of the vertical main support (11) is connected with a plurality of scattering supports (12), the scattering supports (12) are arranged in an umbrella shape, the adjacent scattering supports (12) are connected with second photovoltaic modules (22), the vertexes of the second photovoltaic modules (22) are intersected at the same point, the side edges of the adjacent second photovoltaic modules (22) are in close contact, and the second photovoltaic modules (22) are in a pyramid structure.

2. The double-deck omni-directional photovoltaic module system according to claim 1, wherein the angle between the scattering-like support (12) and the vertical main support (11) is 60 °.

3. The double-layer omnibearing photovoltaic module system according to claim 1, further comprising an inverter box transformer (4), wherein the first photovoltaic module (21) and the second photovoltaic module (22) are both connected to an input end of the inverter box transformer (4), an output end of the inverter box transformer (4) is connected to a power grid, the inverter box transformer (4) is used for receiving direct current transmitted by the first photovoltaic module (21) and the second photovoltaic module (22) and converting the direct current into alternating current, and the inverter box transformer (4) is further used for boosting the alternating current.

4. The double-layer omnibearing photovoltaic module system according to claim 1, wherein a base (3) is connected to the bottom of the vertical main bracket (11), and the base (3) is perpendicular to the vertical main bracket (11);

the base (3) is of a reinforced concrete structure.

5. The double-deck omni-directional photovoltaic module system according to claim 1, wherein the number of the scattering-shaped supports (12) is four, and the included angle between the adjacent scattering-shaped supports (12) is 90 °.

6. The double-deck omni-directional photovoltaic module system according to claim 5, wherein the second photovoltaic module (22) is of a triangular structure, and the second photovoltaic module (22) is welded to the scattering-shaped support (12).

7. The double-deck omni-directional photovoltaic module system according to claim 1, wherein the vertical main support (11) and the scattering-shaped support (12) are both steel supports.

8. The double-deck omni-directional photovoltaic module system according to claim 1, wherein the installation location of the first photovoltaic module (21) is not obstructed by the shadow of the second photovoltaic module (22).

9. The bi-layer omni-directional photovoltaic module system according to claim 1, wherein the first photovoltaic module (21) comprises a thin film cell and the second photovoltaic module (22) comprises a single crystal silicon cell.

10. The method for generating power of a double-deck omni-directional photovoltaic module system according to any one of claims 1 to 9, comprising the steps of: sunlight irradiates on a first photovoltaic module (21) attached to a main support transverse column (13) with a cylindrical structure, the sunlight and the first photovoltaic module (21) in any time period form vertical irradiation, and the first photovoltaic module (21) absorbs solar energy and converts the solar energy into direct current;

sunlight irradiates on a second photovoltaic module (22) of the scattering support (12), the second photovoltaic module (22) is of a pyramid structure, the sunlight in any time period irradiates on any direction of the second photovoltaic module (22) of the pyramid structure, and the second photovoltaic module (22) absorbs solar energy and converts the solar energy into direct current;

and the direct current is converted and transmitted to a power grid to complete the solar power generation process.

Technical Field

The invention belongs to the technical field of new energy photovoltaic power generation application, and particularly belongs to a double-layer omnibearing photovoltaic module system and a power generation method.

Background

With the deterioration of global environment and the exhaustion of fossil fuels, all countries in the world aim to energy transformation, and on the way of energy transformation, new energy is considered as an important direction of energy transformation. Solar power generation has the advantages of being unique as one of important contents of new energy power generation, and is considered as one of the most development potential power generation technologies in the 21 st century.

As is well known, the power generation efficiency of a photovoltaic power station has a great relationship with solar illumination resources, wherein the placement position and the inclination angle of a solar cell module are important factors for determining the utilization effect of the solar illumination resources. The azimuth angle is an included angle between a vertical plane of the solar cell array and a south-pointing direction, and the fixed array is generally directed to the south. The inclination angle is the included angle between the plane of the solar cell square matrix and the horizontal ground, and the optimum inclination angle when the generated energy is the maximum in one year of the square matrix can be calculated during design according to the design. The photovoltaic panel is laid in a fixed azimuth angle and an inclination angle in the conventional mode.

In order to absorb the solar total radiation to a greater extent, there are several automatic tracking systems on the market, in addition to the fixed mounting type. The flat single axis and the inclined single axis respectively act for changing the inclination angle and the azimuth angle, and the relative function is single. The two-axis tracking system may vary azimuth and inclination angles as the solar trackability position is changed. However, the movement range of the sun is large every day, the movement tracks in each season are different, and the motor driving the azimuth angle and the inclination angle to move can be used for a long time and at a high frequency, so that the condition of increasing the motor faults is caused.

Disclosure of Invention

In order to solve the problems in the prior art, the invention provides a double-layer omnibearing photovoltaic module system and a power generation method, and solves the problems that the azimuth angle and the inclination angle of a solar photovoltaic panel of the existing photovoltaic power station need to be frequently changed, a motor driving the solar photovoltaic panel to rotate needs to be used for a long time and at a high frequency, the maintenance cost is high, and the economic benefit of the photovoltaic power station is poor due to the long stop time.

In order to achieve the purpose, the invention provides the following technical scheme: a double-layer omnibearing photovoltaic module system comprises a vertical main support, wherein a main support cross column is connected to the vertical main support and is vertical to the vertical main support, the main support cross column is of a cylindrical structure, and a first photovoltaic module is attached to the outer surface of the main support cross column;

the top end face of the vertical main support is connected with a plurality of scattering supports which are arranged in an umbrella shape, the adjacent scattering supports are connected with second photovoltaic modules, the vertexes of the second photovoltaic modules are intersected at the same point, the sides of the adjacent second photovoltaic modules are in close contact, and the second photovoltaic modules are in a pyramid structure.

Further, the included angle between the scattering-shaped support and the vertical main support is 60 degrees.

Further, the photovoltaic power generation system further comprises an inverter box transformer, the first photovoltaic assembly and the second photovoltaic assembly are connected to the input end of the inverter box transformer, the output end of the inverter box transformer is connected with a power grid, the inverter box transformer is used for receiving direct current transmitted by the first photovoltaic assembly and the second photovoltaic assembly and converting the direct current into alternating current, and the inverter box transformer is further used for boosting the alternating current.

Further, the bottom of the vertical main support is connected with a base, and the base is vertical to the vertical main support;

the base is of a reinforced concrete structure.

Furthermore, four scattering supports are arranged, and the included angle between every two adjacent scattering supports is 90 degrees.

Furthermore, the second photovoltaic module is of a triangular structure and is welded on the scattering support.

Further, the vertical main support and the scattering-shaped support are both steel supports.

Further, the installation position of the first photovoltaic assembly is not shielded by the shadow of the second photovoltaic assembly.

Further, the first photovoltaic module comprises a thin film cell and the second photovoltaic module comprises a monocrystalline silicon cell.

The invention also provides a power generation method of the double-layer omnibearing photovoltaic module system, which comprises the following steps: sunlight irradiates on a first photovoltaic module attached to a cross column of a main support with a cylindrical structure, the sunlight and the first photovoltaic module in any time period form vertical irradiation, and the first photovoltaic module absorbs solar energy and converts the solar energy into direct current;

sunlight irradiates on a second photovoltaic component of the scattering support, the second photovoltaic component is in a pyramid structure, sunlight in any time period irradiates on any direction of the second photovoltaic component in the pyramid structure, and the second photovoltaic component absorbs solar energy and converts the solar energy into direct current;

and the direct current is converted and transmitted to a power grid to complete the solar power generation process.

Compared with the prior art, the invention has at least the following beneficial effects:

the invention provides a double-layer omnibearing photovoltaic component system, which comprises a main body frame of the double-layer omnibearing photovoltaic component system, wherein a vertical main support and a main support cross column are arranged transversely, the main support cross column is parallel to the ground, a first photovoltaic component is attached to the cylindrical main support cross column, so that sunlight can be constantly and vertically irradiated on a first photovoltaic component price of the cylindrical main support cross column, the problem that an inclination angle needs to change along with the change of the sun is solved, a scattering support is connected to the top of the vertical main support and is umbrella-shaped, a pyramid structure is formed by second photovoltaic components connected to each scattering support, the second photovoltaic components of the pyramid structure can receive all-weather sunlight, all-weather sunlight can irradiate the second photovoltaic components without dead angles, and the problem that azimuth angles need to move along with the sun is solved; the utility model provides a thereby photovoltaic module is adjusted to change according to the sunlight angle not in needs, sunlight and columniform first photovoltaic module, can form the vertical irradiation relation all the year round always, sunlight and pyramid's second photovoltaic module, can guarantee that the sunlight can not all-weather dead angle shine second photovoltaic module, thereby need not frequently adjust first photovoltaic module's angle of inclination and second photovoltaic module's azimuth, do not relate to the motor behavior, reduce the purchase of automatic tracking auxiliary assembly, the spending is reduced, make full use of land space, a different time quantum of every day has been realized, different seasons (different solar energy through the dimension condition) furthest receive the solar energy illumination resource, improve photovoltaic power plant whole generating efficiency and generated energy, has fine economic nature.

Furthermore, the included angle between the scattering support and the vertical main support is 60 degrees, so that the angle of the pyramid-shaped second photovoltaic module can be ensured, and all-weather sunlight can be ensured to irradiate the second photovoltaic module without dead angles.

Further, the base that perpendicular main support bottom is connected can guarantee the stability of whole double-deck all-round photovoltaic module system.

Furthermore, the installation position of the first photovoltaic assembly is not shielded by the shadow of the second photovoltaic assembly, and the second photovoltaic assembly can shield the first photovoltaic assembly under the condition that the discharge of the first photovoltaic assembly is not influenced, so that the manual field maintenance and shutdown maintenance condition is greatly reduced, and the operation and maintenance cost is reduced.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic side view of the scattering-shaped stent;

FIG. 3 is a schematic top view of the scattering stand;

in the drawings: 1-a support system, 11-a vertical main support, 12-a scattering support, 13-a main support cross column, 2-a photovoltaic module system, 21-a first photovoltaic module, 22-a second photovoltaic module, 3-a base, 4-an inverter box transformer and 5-a power transmission line.

Detailed Description

The invention is further described with reference to the following figures and detailed description.

As shown in fig. 1, 2 and 3, the invention provides a double-layer omnibearing photovoltaic module system, which comprises a support system 1, a photovoltaic module system 2, a base 3, an inverter box transformer 4 and a power transmission line 5. The support system 1 is used for fixedly supporting the photovoltaic module system 2, the photovoltaic module system 2 is divided into an upper layer and a lower layer and is used for converting solar energy into electric energy to be connected to the grid for power generation, the base 3 supports and fixedly installs the whole support system 1, the inverter box transformer 4 system converts direct current generated by the photovoltaic module system 2 into alternating current and boosts the alternating current, and the power transmission line 5 transmits power generated by power generation to a power grid end.

In this embodiment, the support system is umbrella-shaped, specifically, the support system includes a vertical main support 11, a main support cross-post 13 and a scattering-shaped support 12, the vertical main support 11 and the main support cross-post 13 are cross-shaped, the main support cross-post 13 and the vertical main support 12 are respectively a horizontal cylinder and a vertical cylinder, wherein the main support cross-post 13 is connected to a rod body of the vertical main support 11, the main support cross-post 13 is perpendicular to the vertical main support 11, and a first photovoltaic module 21 is attached to an outer surface of the main support cross-post 13;

the top end face of the vertical main support 11 is connected with a plurality of scattering supports 12, the scattering supports 12 are arranged in an umbrella shape, the adjacent scattering supports 12 are connected with second photovoltaic modules 22, the vertexes of the second photovoltaic modules 22 are intersected at the same point, the sides of the adjacent second photovoltaic modules 22 are in close contact, and the second photovoltaic modules 22 are in a pyramid structure.

In the present embodiment, four scattering brackets 12 are provided, and one scattering bracket 12 is connected to the top end face of the vertical main bracket 11 at intervals of 90 °, wherein the included angle between the scattering bracket 12 and the vertical main bracket 11 is 60 °; in this embodiment, the vertical main support 11, the main support cross-post 13, and the scattering shaped support 12 are all steel supports having high strength.

In a preferred embodiment of the present embodiment, the installation position of the first photovoltaic module 21 is not obstructed by the shadow of the second photovoltaic module 22. When the first photovoltaic module 21 is ensured to work normally, the second photovoltaic module 22 can also play a certain protection role on the first photovoltaic module 21.

In the present embodiment, the first photovoltaic module 21 and the second photovoltaic module 22 in the photovoltaic module system 2 are in the form of a thin film battery and a monocrystalline silicon battery, respectively. The monocrystalline silicon battery is cut into a triangular shape, 4 monocrystalline silicon batteries are arranged in total, each monocrystalline silicon battery is fixedly arranged on four scattering supports 12 respectively in a welding mode, the top points of the monocrystalline silicon batteries are connected, the four monocrystalline silicon batteries with high rigidity and strength are combined together in a seamless mode at 360 degrees, and the whole monocrystalline silicon battery is pyramid-shaped. The thin film battery has the property of being capable of being bent at will and is attached and installed around the surface of the cross column. The mounting position ensures that the pyramid-shaped monocrystalline silicon battery has no shadow shielding.

In this embodiment, the base 3 is made of reinforced concrete, and is fixed by a reinforced concrete pile, and the base 3 is connected to the bottom of the vertical main support 11, and the base 3 is perpendicular to the vertical main support 11.

In this embodiment, the electric energy generated by the upper layer and the lower layer of the photovoltaic module system 2 is converged to the inverter box transformer substation 4 through the direct current end of the power transmission line 5, the direct current generated by the photovoltaic module system 2 is converted into alternating current and boosted, and the alternating current end of the power transmission line 5 transmits the boosted current to the power grid end. Specifically, first photovoltaic module 21 and second photovoltaic module 22 all are connected to the input that the inverter box becomes 4, and the electric wire netting is connected to the output that the inverter box becomes 4, and the dc current that the inverter box becomes 4 receipt first photovoltaic module 21 and second photovoltaic module 22 transmission changes into the ac, and the inverter box becomes 4 still steps up the ac and will step up the ac and transmit the ac after to the electric wire netting end through transmission line simultaneously.

The working principle of the invention is as follows:

in any day of the year, the sun rises from the east and falls from the west, and because the four monocrystalline silicon cells form a 360-degree seamless pyramid in the whole process, all-weather solar energy can fully irradiate a certain azimuth of the pyramid monocrystalline silicon cell in daytime, and the problem that the azimuth needs to move along is solved.

Meanwhile, no matter in any season (sun position) all the year round, because the thin film battery is attached to the surface of the main support cross column 13, the sunlight can be vertically irradiated on the cylindrical thin film battery, and the problem that the inclination angle needs to change along with the sun is solved.

Meanwhile, the four pyramid-shaped monocrystalline silicon cells play a role in protecting the thin film cell, and are effectively prevented from being invaded by snow storm, sand and rain.

In another embodiment of the present invention, a power generation method of a double-layer omnibearing photovoltaic module system is further provided, which includes the following steps: sunlight irradiates on a first photovoltaic module 21 attached to the main support cross column 13 with the cylindrical structure, the sunlight and the first photovoltaic module 21 in any time period form vertical irradiation, and the first photovoltaic module 21 absorbs solar energy and converts the solar energy into direct current;

sunlight irradiates on the second photovoltaic module 22 of the scattering support 12, the second photovoltaic module 22 is in a pyramid structure, sunlight in any time period irradiates on any direction of the second photovoltaic module 22 in the pyramid structure, and the second photovoltaic module 22 absorbs solar energy and converts the solar energy into direct current;

and the direct current is converted and transmitted to a power grid to complete the solar power generation process.

Finally, it should be noted that: the above-mentioned embodiments are only specific embodiments of the present invention, which are used for illustrating the technical solutions of the present invention and not for limiting the same, and the protection scope of the present invention is not limited thereto, although the present invention is described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: any person skilled in the art can modify or easily conceive the technical solutions described in the foregoing embodiments or equivalent substitutes for some technical features within the technical scope of the present disclosure; such modifications, changes or substitutions do not depart from the spirit and scope of the embodiments of the present invention, and they should be construed as being included therein. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

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