TW201740675A - Combined grating type intelligent photovoltaic power generation system - Google Patents

Abstract

The invention discloses a combined grating type intelligent photovoltaic power generation system. The system comprises an upright pillar, a biconcave crossbeam, a separating composite support, a square to circle self-lubricating composite shaft sleeve, a square shaft, photovoltaic panels, an intelligent control box, an angular sensor and a driving mechanism. The photovoltaic panel is installed on the square shaft. The square shaft is installed on the separating composite support. The separating composite support is installed on the biconcave crossbeam through T-type fastening bolts. The bottom of the crossbeam is installed on the ground through the upright pillar and a prefabricated basis. A plurality of photovoltaic panels are fixed on the square shaft to form a single row of photovoltaic row gratings. A distance is left for each row of photovoltaic row gratings. A plurality of rows of gratings form a power generation array. According to the invention, the problem of a sunshine dead zone of a traditional array-type photovoltaic power station is solved, the combined grating type intelligent photovoltaic power generation system can be combined with a fishpond water surface, farming-stockbreeding-forestry planting and breeding, an reverse-hanging agricultural greenhouse and the like, redundant sunlight is adopted for photovoltaic power generation in the upper space of the crossbeam, various kinds of agricultural breeding and production are performed in the bottom space of the crossbeam, and the multi-element three-dimensional usage of the ground is realized.

Description

Combined grid type smart photovoltaic power generation system

The invention relates to a photovoltaic system which can be combined with various agricultural productions, in particular to a combined grid smart photovoltaic power generation system.

With the development of society and the advancement of science and technology; in the photovoltaic industry, the cost of photovoltaic power generation is declining. It is expected that the power generation will be as competitive as coal power generation by 2020, and the power generation cost is equivalent to that of coal power generation. The proportion of solar photovoltaic power generation in the human energy system will gradually increase rapidly, and the development prospects are very impressive. At present, most people in photovoltaic power generation systems use a fixed (or adjustable) wide-array system with a dip angle facing north-south. This system causes more north-south shades, which form a blind spot where sunlight is not seen for many years; Unfavorable, the formation of desertified land; at the same time, the north-south PV array even with adjustable tilt angle, the system's utilization of sunlight is still low; this is a common defect facing the north-south PV array.

In actual use, it is found that most of these conventional array type photovoltaic power generation devices are fixed devices. The photovoltaic panels adopt fixed angles and positions, and cannot automatically rotate with solar energy. In most of the time, the sunlight is obliquely irradiated. On photovoltaic panels, conversion efficiency is greatly reduced and plant growth is affected. Although the tracking device of the mobile phone sunlight is also installed in some devices, the structure is complicated, the energy consumption thereof is large, and the efficiency of the solar power generation device is also affected, and the installation height is often high, and the wind is greatly affected in the northwestern part of China. .

In addition, with the rapid development of photovoltaic decentralized applications, conventional array photovoltaic power plants have large sunshine sunshine areas on the ground due to photovoltaic arrays. The space of the support system under the photovoltaic arrays is small and the heights are different. It is difficult to fully realize agriculture and The combination of photovoltaics.

Therefore, in order to solve the above defects, the present invention provides a solution to solve the problem that the area of the sun or the agricultural shed under the photovoltaic panel is large, and solves the cumbersome structure of the traditional flat single-axis independent control, and rationally rotates multiple single-row photovoltaics. The grid-type photovoltaic matrix formed by the components avoids strong winds, reduces the resistance, and also avoids the accumulation of snow on the photovoltaic panels, avoids uneven snow melting, and easily causes the resistance of the photovoltaic elements to form damage to the photovoltaic panels after the hot spot benefits of the photovoltaic elements, greatly The utility model reduces the damage of the wind and sand to the photovoltaic power station, and reduces the operating cost and safety risk for the enterprise; at the same time, through the high-support system, the upper beam and the secondary beam are interwoven into a network, and the stability is stronger, and the stiffness and strength of the combined grid smart photovoltaic Power generation system; the invention is interwoven into a net, has strong stability, large rigidity and strength, and is suitable for installation and use in various environments; at the same time, it can track the sun for 8-10 hours all day (except cloudy days), than the same area and structure. The power generation efficiency of the fixed electromagnetic component is increased by 15%-25%, thereby improving the power generation efficiency of the solar module; Xiaoming size, light weight, easy to install, the present invention is furthermore applicable to completely remote mountain no power, no external power supply is able to track the sun, wind and good performance.

The present invention is achieved by constructing a combined grid smart photovoltaic power generation system, comprising: a supporting portion, a split composite bracket, a square shaft and a photovoltaic panel; the square shaft is disposed on the separate composite bracket and can be separated The composite bracket rotates; the separated composite bracket is fixed on the support portion; the plurality of photovoltaic panels are fixed on the square shaft to form a single row of photovoltaic grids, each of which has a certain distance between the photovoltaic grids, and the plurality of photovoltaic grids are arranged in a photovoltaic matrix. It solves the problem that the area of the sun or the agricultural shed under the photovoltaic panel is large, and the blind area of the sun is relatively large; the control of the rotation of the photovoltaic panel can be simplified, and the complicated structure of the traditional flat single-axis independent control is solved.

The combined grid smart photovoltaic power generation system according to the present invention is characterized in that: the support portion comprises a column, a double concave beam and a base; the upper portion of the column is connected with the double concave beam, and the lower portion is connected with the base. The invention is more stable and reliable through reasonable design of the supporting portion.

The combined grid smart photovoltaic power generation system according to the present invention is characterized in that: the square shaft and the double concave beam are spatially perpendicular, and are mounted on the separated composite bracket by a square-turn circular self-lubricating composite bushing, and the split composite The bottom of the bracket is connected by a T-bolt installed in a cross-shaped groove in the upper part of the double concave beam; the photovoltaic panel is mounted on the square shaft by the fixed beam; since the double concave beam and the square shaft are spatially vertical and pass through the split type The composite bracket is connected to make the invention interlaced into a mesh shape; when a certain number of single-row photovoltaic matrices are mounted on the double concave beam, the stability is stronger, and the ability to resist wind and rollover is stronger.

The combined grid smart photovoltaic power generation system according to the present invention is characterized in that it further comprises a force transmission rod and a power rod, wherein the one end of the force transmission rod is connected to the square shaft and the other end is connected to the power rod.

The combined grid smart photovoltaic power generation system according to the present invention is characterized in that: a smart control box, an angle sensor and a driving mechanism are further included; wherein the smart control box is installed on the column, and the angle sensor is installed on the side of the smart control box On the photovoltaic grid, the driving mechanism is connected with the power rod; the combined grid smart photovoltaic power generation system is controlled by the intelligent control box. Install the angle signal from the angle sensor on the PV grid near the control box to control the drive linkage mechanism, and drive the PV panels to rotate around the square axis as a whole to achieve daily tracking of the east-west direction or north-south direction. Tilt adjustment.

The combined grid type smart photovoltaic power generation system according to the present invention is characterized in that: the double concave type girders are respectively provided with special grooves for T-bolts. Through the reasonable design in the double concave beam groove, the T-type special bolts realize the simple and convenient installation of the separated composite bracket and the column, which lays a foundation for the automatic installation.

The combined grid smart photovoltaic power generation system according to the present invention is characterized in that: a gasket is arranged between the split composite bracket and the square-turn circular self-lubricating composite bush sleeve; and the split composite bracket and the square turn circle are realized. Self-lubricating friction between composite bushings.

The combined grid type smart photovoltaic power generation system according to the present invention is characterized in that: the column mounting rod on the upper part of the base is provided with two rows of fixing holes, and each row of fixing holes has three threaded holes which are mutually formed at an angle of 120 degrees.

The combined grid type smart photovoltaic power generation system according to the present invention is characterized in that: the square turn self-lubricating composite bushing is provided with a square hole in the middle, and the two sides are respectively a small disk and a large disk, and the large disk Between the small disc and the small cylinder is an intermediate cylinder; the axis of the large disc is not collinear with the axis of the small disc. The square round self-lubricating composite bushing is installed between the split composite bracket and the square shaft, so that the square shaft and the square turn self-lubricating composite bushing are relatively stationary, and can be rotated on the separate composite bracket; The self-lubricating composite bushings are made of self-lubricating materials (such as Teflon) to make the square shaft and the separate composite bracket better and more stable, and at the same time reduce the friction coefficient and make it last longer; A gasket is also arranged between the square-turning self-lubricating composite bushing and the split composite bracket, which further reduces the friction between the two.

The combined grid type smart photovoltaic power generation system according to the present invention is characterized in that: the upper part of the separated composite support is a sleeve installation part and is provided with a circular hole, and the lower part of the sleeve installation part is a vertical board, which is arranged on both sides of the vertical board There is a side plate perpendicular to the vertical plate; a lower horizontal plate is disposed at a lower portion of the side plate, and a fixing hole is formed in the horizontal plate.

The combined grid smart photovoltaic power generation system according to the present invention is characterized in that: a protective sleeve is further disposed at the junction of the column and the base.

The invention has the following advantages:

Advantage 1: The invention realizes a single row of photovoltaic matrix on a fixed square shaft of a plurality of photovoltaic panels through reasonable design; a certain distance is left between each row of photovoltaic matrices, and each row of photovoltaic matrices is matched by a power rod and a force-transmitting rod Rotating; solving the problem of large sun shadow area of the land under the photovoltaic panel or agricultural shed;

Advantage 2: The photovoltaic panel is designed as a single-row photovoltaic matrix, which makes the rotation of the photovoltaic panel simple and controlable, and solves the cumbersome structure of the traditional flat single-axis independent control;

Advantage 3: There is a certain distance between each row of photovoltaic matrices, and each row of photovoltaic matrices is rotated by the cooperation of the power rod and the force-transmitting rod; when the photovoltaic panel is rotated, the front and rear photovoltaic panels do not interfere, and at the same time The strong adaptability of the present invention is achieved by the rotation of a single row of photovoltaic matrices; if the invention is installed in a place with relatively large wind and snow or relatively large wind and sand, the strong wind can be avoided by a reasonable rotation of the single row photovoltaic matrix, and the resistance is reduced. Avoid the accumulation of sand or snow on the photovoltaic panels; avoid the accumulation of snow on the photovoltaic panels, thus avoiding the damage of the photovoltaic panels after the snow melts, greatly reducing the damage of the wind and sand to the photovoltaic industry, and reducing the operation of the enterprise. Cost and security risks.

Advantage 4: Through a reasonable design of the combined bracket, the upper part of the split composite bracket is a sleeve mounting portion and is provided with a circular hole, the lower side of the sleeve mounting portion is a vertical plate, and the side plates perpendicular to the vertical plate are arranged on both sides of the vertical plate; The lower part of the side plate is provided with a horizontal plate perpendicular thereto, and a fixing hole is opened on the horizontal plate; the separated composite bracket makes the square shaft installation more stable, and is also excellent between the square shaft and the double concave beam. The bridge makes the stability of the invention better.

Advantage 5: The invention rounds the self-lubricating composite bushing by a reasonable design, and the square round self-lubricating composite bushing is provided with a square hole in the middle, and the two sides are respectively a small disk and a large disk, in a large circle The middle cylinder is between the disc and the small disc; the axis of the large disc is not collinear with the axis of the small disc; the square-turned self-lubricating composite bushing is installed between the separated composite bracket and the square shaft to realize The square shaft and the square-turn circular self-lubricating composite bushing are relatively stationary, and can be rotated on the separate composite support; and the square-turned self-lubricating composite bushing adopts a self-lubricating material (such as Teflon, etc.) to make the square shaft and the square shaft The split composite bracket is better and more stable, and the friction coefficient is also reduced, which makes it have a longer service life. At the same time, a square turn circle is arranged between the square turn self-lubricating composite bushing and the separate composite bracket. The washers further reduce the friction between the two.

Advantage 6: According to the reasonable base design, the column mounting rod on the upper part of the base is provided with two rows of fixing holes, and each row of fixing holes has three threaded holes which are mutually formed at an angle of 120 degrees; the base is beautiful and stable with the column. At the same time, a protective cover can be provided at the connection between the column and the base to protect the connecting portion from damage due to rain.

Advantage 7: The invention designs a double concave beam by reasonable design, and the double concave beam is provided with a cross-shaped groove on the upper and lower sides; the double concave beam makes the connection and assembly of the invention more convenient and quick, and can be applied at the same time. It has a high promotion value for the installation of double-sided photovoltaic panels.

Advantage 8: The invention can be installed in the middle of the road, in the shallow water surface area, or in the extended water column to be installed on the deep water surface; when the invention is installed on the shallow water surface or the deep water surface, the double-sided photovoltaic panel is used, so that the water surface can also be utilized. Reflected light generates electricity, increases power generation, and integrates resources.

Advantage 9: The invention is interwoven into a net, has strong stability, large rigidity and strength, and is suitable for installation and use in various environments; at the same time, it can track the sun for 8-10 hours all day (except cloudy days), than the same area and structure. The power generation efficiency of the fixed electromagnetic component is increased by 15%-25%, thereby improving the power generation efficiency of the solar module; at the same time, the invention is small in size, light in weight, and convenient to install, and the invention can be completely applied to a remote mountainous area without power supply, The external light source is required to track the sunlight, and the wind resistance is good; therefore, the present invention is suitable for widespread use.

Advantage 10: The components of the system of the invention are all prefabricated by the factory in standard size, and assembled on site. It solves the problem of large-scale concrete pouring in traditional photovoltaic power plants. The products are environmentally friendly and achieve clean energy production. The grid structure of the system is simple. The system space planning is reasonable, and the space below the girders can be pre-designed within 2.5-5 meters to keep the space for agricultural production.

Advantage 11: The invention is divided into a north-south adjustable dip system and an east-west tracking system by placing different orientations of the double concave beam; the north-south direction of the girder is used to form a grid-type photovoltaic array system with adjustable dip angle; A grid type photovoltaic array system that tracks the east-west tracking of photovoltaic elements in a manner of placement.

The present invention will be described in detail with reference to the accompanying drawings in the accompanying drawings. FIG. example. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without creative efforts are within the scope of the present invention.

As shown in FIG. 1 to FIG. 29, the present invention provides a combined grid smart photovoltaic power generation system, comprising a supporting portion, a split composite bracket 2, a square shaft 5 and a photovoltaic panel 1; the square shaft 5 is disposed on the separated composite bracket. 2 and can rotate on the separated composite support 2; the separated composite support 2 is fixed on the support portion; the plurality of photovoltaic plates 1 are fixed on the square shaft 5 to form a single row of photovoltaic grids, and each row of photovoltaic grids is left between At a certain distance, a plurality of photovoltaic grids are arranged in a photovoltaic matrix.

The support portion includes a column 3, a double concave beam 4 and a base 8; the upper portion of the column 3 is connected to the double concave beam 4, and the lower portion is connected to the base 8.

The square shaft 5 is perpendicular to the double concave beam 4 and is mounted on the split composite bracket 2 by a square turn self-lubricating composite bushing 9. The bottom of the split composite bracket 2 is mounted on the upper concave of the double concave beam 4 A T-bolt connection in the slot 41; the photovoltaic panel 1 is mounted to the square shaft 5 by a fixed beam 10.

It also includes a force transmission rod 7 and a power rod 6 which is connected at one end to the square shaft 5 and at the other end to the power rod 6.

The invention also includes a smart control box 14, an angle sensor and a driving mechanism, wherein the smart control box 14 is mounted on the column 3, and the angle sensor is mounted on the photovoltaic grid on the side of the smart control box 14, the driving mechanism and the power rod 6 connection.

The double concave beam 4 is uniformly provided with a T-bolt special groove 41.

A wear-resistant composite gasket 11 is further disposed between the split composite support 2 and the square-turn circular self-lubricating composite bushing 9.

The column mounting rod 81 on the upper part of the base 8 is provided with two rows of fixing holes, and each row of fixing holes has three threaded holes which are mutually formed at an angle of 120 degrees; the base 8 and the column 3 are also provided with a protective sleeve at the joint.

The square round self-lubricating composite bushing 9 is provided with a square hole in the middle, and two sides are respectively a small disk 93 and a large disk 91, and an intermediate cylinder 92 between the large disk 91 and the small disk 93; The axis of the large disk 91 is not collinear with the axis of the small disk 93.

The upper part of the split composite bracket 2 is a sleeve mounting portion 21 and is provided with a circular hole. The lower side of the sleeve mounting portion 21 is a vertical plate 24, and the side plates 22 perpendicular to the vertical plate 24 are disposed on both sides of the vertical plate 24; The lower portion of the side plate 22 is provided with a horizontal plate 23 perpendicular thereto, and a fixing hole 25 is formed in the horizontal plate 23.

As shown in FIG. 1 , the invention can increase and enlarge the photovoltaic panel in different situations. The single-row photovoltaic matrix can control the movement of the power rod 6 by driving the linkage mechanism, and the power pole 6 drives the force transmission rod 7 and the force transmission rod. 7 further push the square shaft 5 to rotate, thereby rotating the entire single-row photovoltaic matrix, thereby adjusting the angle of the photovoltaic panel 1, the inclination angle of the photovoltaic panel 1 is different in different regions, and the photovoltaic system can also be calculated and controlled by the dip photovoltaic system. The inclination of the plate 1 at each time period makes the photovoltaic panel 1 always in the best position, and the utilization of sunlight is the highest. After the whole system is assembled, a stable support frame 13 is separately provided at the end and the middle portion of the system to ensure that the invention is more stable and reliable during use.

At the same time, there is a gap between the front and rear single-row photovoltaic matrices to ensure that the photovoltaic panels 1 are kept at a certain distance when rotating to the horizontal, to prevent interference when the front and rear photovoltaic panels 1 rotate; and through a reasonable gap and The rotation of the photovoltaic panel 1 enables the irradiation of the photovoltaic panel 1 to control the sunlight of the lower land of the photovoltaic panel 1 or the sunlight of the agricultural greenhouse 12, so that the amount of sunlight of the land below the photovoltaic panel 1 or the agricultural greenhouse 12 can be adjusted to facilitate the land. Or the cultivation of agricultural plants in the agricultural shed 12.

As shown in FIG. 4 and FIG. 8, the square shaft 5 is perpendicular to the double concave beam 4, and the photovoltaic panel 1 is mounted on the square shaft 5 by the fixed beam 10, and the square shaft 5 is rotated by a square rotating self-lubricating composite shaft. The sleeve 9 is mounted on the split composite support 2, and the bottom of the split composite support 2 is connected by a T-bolt installed in the upper groove 41 of the double concave beam 4, and the double concave beam 4 is connected to the column 3 at the bottom of the column 3 Connected to the base 8 by a T-bolt, the one end of the force transmission rod 7 is connected to the square shaft 5, and the other end is connected with the power rod 6; since the double concave beam 4 and the square shaft 5 are spatially vertical and pass through the separate composite bracket 2, the invention is interwoven into a mesh shape; when a certain number of single-row photovoltaic matrices are mounted on the double concave beam 4, the stability is stronger, and the ability to resist wind and rollover is stronger.

The above description of the disclosed embodiments enables those skilled in the art to make or use the invention. Various modifications to these embodiments are obvious to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the invention. Therefore, the present invention is not to be limited to the embodiments shown herein, but the scope of the invention is to be accorded

1‧‧‧Photovoltaic panels
2‧‧‧Separate composite bracket
21‧‧‧ Bushing installation
22‧‧‧ side panels
23‧‧‧ horizontal board
24‧‧‧ 立板
25‧‧‧Fixed holes
3‧‧‧ column
4‧‧‧ Double concave girders
41‧‧‧ Groove
5‧‧‧ square axis
6‧‧‧Power rod
7‧‧‧Dust lever
8‧‧‧Base
81‧‧‧Pole mounting rod
9‧‧‧ square round self-lubricating composite bushing
91‧‧‧ Large disc
92‧‧‧ Middle cylinder
93‧‧‧Small disc
94‧‧‧ square round washer
10‧‧‧Fixed beams
11‧‧‧Washers
12‧‧‧Agricultural Shed
13‧‧‧Steady support frame
14‧‧‧Smart Control Box

1 is a schematic view of a partial installation of the present invention. FIG. 5 is a schematic view of a partial connection of the present invention. FIG. 6 is a schematic view of the invention after installing an agricultural shed. FIG. FIG. 8 is a partial enlarged view of D in FIG. 4 , FIG. 9 is a partial enlarged view of A in FIG. 2 , and FIG. 10 is a square turn self-lubricating composite bushing and washer installation. 1 to 14 are schematic views of a square-turned circular self-lubricating composite bushing. Fig. 15 is a cross-sectional view taken along line AA of Fig. 13. Figs. 16 to 19 are schematic views of a split composite bracket. Figs. 20 to 21 are double concave girders. 22 is a cross-sectional view of CC in FIG. 21, FIG. 23 is a partially enlarged schematic view of B in FIG. 20, and FIG. 24 to FIG. 25 are a schematic view of a fitting installation of a column and a base. FIGS. 26 to 28 are schematic views of the base. FIG. Figure 27 is a cross-sectional view of DD

13‧‧‧Steady support frame

14‧‧‧Smart Control Box

Claims (10)

A combined grid type smart photovoltaic power generation system, the combined grid type smart photovoltaic power generation system comprises: a supporting part, a split composite bracket, a square shaft and a photovoltaic board; the square shaft is arranged on the separated composite bracket and can be rotated on the separated composite bracket The separated composite bracket is fixed on the support portion; the plurality of photovoltaic panels are fixed on the square shaft to form a single row of photovoltaic grids, and a certain distance is left between each row of photovoltaic grids, and the plurality of photovoltaic grids are arranged in a photovoltaic matrix. The composite grid type smart photovoltaic power generation system according to claim 1, wherein the support portion comprises a column, a double concave beam and a base; the upper part of the column is connected with the double concave beam, and the lower part is connected with The base is connected. A combined grid smart photovoltaic power generation system according to claim 1, wherein the square shaft and the double concave beam are spatially perpendicular, and are mounted on the split type by a square turn self-lubricating composite bushing. The composite bracket, the bottom of the split composite bracket is connected by a T-bolt installed in the upper groove of the double concave beam; the photovoltaic panel is mounted on the square shaft by the fixed beam. A combined grid smart photovoltaic power generation system according to claim 1, further comprising: a force transmission rod and a power rod, wherein the one end of the force transmission rod is connected to the square shaft and the other end is connected to the power rod. A combined grid smart photovoltaic power generation system according to claim 1-4, characterized in that it further comprises a smart control box, an angle sensor and a driving mechanism, wherein the smart control box is mounted on the column, and the angle sensing The device is mounted on the photovoltaic grid on the side of the smart control box, and the driving mechanism is connected with the power rod. A combined grid type smart photovoltaic power generation system according to claim 2, wherein the double concave beam is provided with a special groove for a T-shaped bolt. A combined grid smart photovoltaic power generation system according to claim 1, wherein a wear-resistant composite gasket is disposed between the split composite bracket and the square-turn self-lubricating composite bushing. A combined grid type smart photovoltaic power generation system according to claim 1, wherein the column mounting rod on the upper part of the base is provided with two rows of fixing holes, and each row of fixing holes has a mutual angle of 120 degrees. a threaded hole; a protective sleeve is further disposed at the joint of the base and the column. A combined grid type smart photovoltaic power generation system according to claim 1, wherein the square turn self-lubricating composite bushing is provided with a square hole in the middle, and the two sides are respectively a small disk and a large circle. The disc is an intermediate cylinder between the large disc and the small disc; the axis of the large disc is not collinear with the axis of the small disc. The composite grid type smart photovoltaic power generation system according to claim 1, wherein the upper part of the separated composite support is a sleeve installation part and is provided with a circular hole, and the lower part of the sleeve installation part is a vertical board. Side plates perpendicular to the vertical plate are disposed on both sides of the vertical plate; the lower portion of the side plate is provided with a horizontal plate perpendicular thereto, and a fixing hole is formed in the horizontal plate.