TWI643447B - Combined grid type intelligent photovoltaic power generation system - Google Patents

Abstract

The invention provides a combined grid-type intelligent photovoltaic power generation system, which includes a column, a double concave beam, a separated composite bracket, a square-to-circular self-lubricating composite shaft sleeve, a square shaft, a photovoltaic panel, a smart control box, an angle sensor, and Drive mechanism; the photovoltaic panel is installed on a square shaft, the square shaft is installed on a separate composite bracket, the separate composite bracket is installed on the double concave beam by T-type fastening bolts, and the beam is installed on the ground by pillars and prefabricated foundations A single row of photovoltaic grids is formed on the fixed square axis of multiple photovoltaic panels, with a distance between each row of photovoltaic grids, and multiple rows of grids form a power generation array. The invention solves the problem of the blind area of the traditional array photovoltaic power station, and can be combined with fish pond water surface, farming, animal husbandry, forest cultivation, anti-hanging agricultural greenhouses, etc., to form the upper space of the beam to use surplus sunlight photovoltaic power generation, and the lower space of the beam to perform various types Agricultural breeding production, realizing the multi-dimensional use of land.

Description

Combined grid type intelligent photovoltaic power generation system

The invention relates to a photovoltaic system that can be combined with various types of agricultural production, in particular to a combined grid type intelligent photovoltaic power generation system.

With the development of society and technological progress; in the photovoltaic industry, the cost of photovoltaic power generation is declining, and it is expected that by 2020, the generation of clean energy with the same competitiveness as coal power generation will be achieved, and the cost of power generation is comparable to coal power generation. The proportion of solar photovoltaic power generation in the human energy system will gradually increase rapidly, and the development prospect is very considerable. At present, the vast majority of people in photovoltaic power generation systems use fixed (or adjustable) inclination angles facing north-south wide array systems. This system causes more north-south shadows, thereby forming blind areas that have not seen sunlight for years. Disadvantages, the formation of sandy land; At the same time, even if the north-south photovoltaic array adopts an adjustable inclination angle, the system's utilization of sunlight is still low; this is a common defect that photovoltaic arrays face in the north-south direction.

It has been found in practical use that most of these traditional array-type photovoltaic power generation devices are fixed devices. The photovoltaic panels use fixed angles and positions and cannot automatically rotate with the solar energy. Most of the time, the sunlight is obliquely shining on On photovoltaic panels, the conversion efficiency is greatly reduced, and plant growth is affected. Although some devices are also equipped with a mobile phone sunlight tracking device, the structure is complicated, the energy consumption is large, and the efficiency of the solar power generation device is also affected. The installation height is often high, which is greatly affected by wind in northwestern China. .

In addition, with the rapid development of decentralized photovoltaic applications, conventional array photovoltaic power stations have large solar blind areas on the ground due to the photovoltaic panel array, and the space under the photovoltaic system is narrow and the height of the bracket system is different. It is difficult to fully realize agriculture and The combination of photovoltaics.

Therefore, in order to solve the above-mentioned shortcomings, the present invention provides a solution to the problem that the area under the photovoltaic panel or the solar blind area of the solar shed is relatively large, solves the complicated structure of traditional flat single-axis independent control, and reasonably rotates multiple single-row photovoltaics. The grid-type photovoltaic matrix formed by the elements avoids strong wind and reduces resistance, and also prevents snow from accumulating on the photovoltaic panel, avoids uneven melting of snow, and can easily cause the damage of photovoltaic elements to damage the photovoltaic panel after the hot spot benefit of the photovoltaic element, greatly Reduced wind and sand damage to photovoltaic power plants, reduced business costs and safety risks for enterprises; at the same time, the upper beam and secondary beam of the high support system are interwoven with each other to form a network, which has greater stability, stiffness and strength. Power generation system; the invention is intertwined into a network, strong stability, high rigidity and strength, suitable for installation and use in various environments; at the same time, it can track the sun for 8-10 hours (except cloudy days) all day, compared with the same area and structure The power generation efficiency of fixed electromagnetic components is increased by 15% -25%, thereby improving the power generation efficiency of solar modules; 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 realized in this way, and constructs a combined grid-type intelligent photovoltaic power generation system, which is characterized in that it includes a supporting part, a separate composite support, a square shaft and a photovoltaic panel; the square shaft is arranged on the separate composite support and can be used in a separate type. The composite bracket rotates; the separated composite bracket is fixed on the supporting part; multiple photovoltaic panels are fixed on the square axis to form a single row of photovoltaic grids, with a certain distance between each row of photovoltaic grids, and multiple photovoltaic grids are arranged into photovoltaics. matrix. It solves the problem that the area under the photovoltaic panel or the blind area of the solar sunshine area of the agricultural shed is large; it also achieves simple control of the photovoltaic panel rotation, and solves the complicated structure of traditional flat single-axis independent control.

The combined grid-type intelligent photovoltaic power generation system according to the present invention is characterized in that: the supporting portion includes a column, a double-recessed beam and a base; the upper portion of the column is connected to the double-recessed beam, and the lower portion is connected to the base. By reasonably designing the supporting part, the present invention is made more stable and reliable.

The combined grid-type intelligent photovoltaic power generation system according to the present invention is characterized in that: the square shaft is space perpendicular to the double-concave beam, and is mounted on a separate composite bracket through a square-turn circular self-lubricating composite shaft sleeve. The bottom of the bracket is connected by a T-bolt installed in a cross-shaped groove in the upper part of the double-recessed beam; the photovoltaic panel is installed on the square shaft through the fixed beam; The composite support is connected, so that the present invention is interwoven into a mesh shape; when a certain number of single-row photovoltaic matrices are installed on the double-concave beam, the stability is stronger, and the ability to resist wind and rollover is stronger.

The combined grid-type smart photovoltaic power generation system according to the present invention further comprises a power transmission rod and a power rod, one end of the power transmission rod is connected to a square shaft, and the other end is connected to the power rod.

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

The combined grid-type intelligent photovoltaic power generation system according to the present invention is characterized in that the double-recessed beam is provided with T-bolt dedicated grooves on the upper and lower sides. Through reasonable design in the groove of the double-concave beam, the simple and convenient installation of the separate composite bracket and column is realized by T-shaped special bolts, which lays the foundation for automatic installation.

The combined grid-type intelligent photovoltaic power generation system according to the present invention is characterized in that: a washer is further provided between the separated composite bracket and the square-turn-round self-lubricating composite shaft sleeve; the reduction of the separated composite bracket and the square-turn circle Friction between self-lubricating composite bushings.

The combined grid-type intelligent 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 at an angle of 120 degrees with each other.

The combined grid-type intelligent photovoltaic power generation system according to the present invention is characterized in that: a square hole is provided in the middle of the square-turning circular self-lubricating composite shaft sleeve, and small disks and large disks are respectively arranged on both sides. And the small disc is an intermediate cylinder; the axis of the large disc and the axis of the small disc are not collinear. The square rotation self-lubricating composite shaft sleeve is installed between the separated composite bracket and the square shaft, so that the square shaft and the square rotation self-lubricating composite shaft sleeve are relatively stationary, and can be rotated on the separated composite bracket; meanwhile, the square rotation The round self-lubricating composite shaft sleeve uses self-lubricating materials (such as polytetrafluoroethylene, etc.) to make the square shaft and the separated composite support better and more stable, while also reducing the friction coefficient and making it longer in service life; A washer is also provided between the square-turn-round self-lubricating composite shaft sleeve and the separated composite bracket to further reduce the friction between the two.

The combined grid-type intelligent photovoltaic power generation system according to the present invention is characterized in that the upper part of the separated composite bracket is a sleeve mounting portion and is provided with a round hole, and the lower portion of the sleeve mounting portion is a vertical plate, which is arranged on both sides of the vertical plate. There are side plates perpendicular to the vertical plate; a lower side of the side plate is provided with a transverse plate perpendicular thereto, and a fixing hole is provided on the transverse plate.

According to the present invention, the combined grid-type intelligent photovoltaic power generation system is characterized in that a protective cover is further provided at the connection between the column and the base.

The invention has the following advantages:

Advantage one: Through reasonable design, the present invention forms a single row of photovoltaic matrices on a fixed square axis of a plurality of photovoltaic panels; 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 power transmission rod to make it Rotate; solve the problem of large sun shadow area of the land under the photovoltaic panel or agricultural shed;

Advantage two: the photovoltaic panel is designed as a single-row photovoltaic matrix, so that the photovoltaic panel rotation can be concisely controlled, which solves the tedious structure of traditional flat single axis independent control;

Advantage three: There is a certain distance between each row of photovoltaic matrices. Each row of photovoltaic matrices is rotated by the cooperation of power rods and power transmission rods. It realizes that during the rotation of photovoltaic panels, the front and rear photovoltaic panels will not interfere, and at the same time The strong adaptability of the present invention is achieved through the rotation of a single-row photovoltaic matrix; if the present invention is installed in a place where the wind and snow are relatively large or the sand is relatively large, the strong wind can be avoided by rotating the single-row photovoltaic matrix reasonably, and the resistance is reduced, Avoid the accumulation of wind and sand on the photovoltaic panels; as the accumulation of snow on the photovoltaic panels is avoided, thereby avoiding the damage caused by the resistance of the photovoltaic panels after the snow melts, greatly reducing the damage of the wind and sand to the photovoltaic industry, and reducing the company's operations Cost and security risks.

Advantage four: Through the rational design of the combined bracket, the upper part of the separated composite bracket is the sleeve installation portion and is provided with a round hole, the lower portion of the sleeve installation portion is a vertical plate, and side plates perpendicular to the vertical plate are provided on both sides of the vertical plate; The lower part of the side plate is provided with a transverse plate perpendicular to the side plate, and a fixing hole is opened on the transverse plate; the separated composite bracket allows the square shaft to be installed more smoothly, and at the same time, it is also very good between the square shaft and the double concave beam. The bridge makes the stability of the invention better.

Advantage five: The present invention adopts a rational design of a square-turn-round self-lubricating composite shaft sleeve. The square-turn-round self-lubricating composite shaft sleeve is provided with a square hole in the middle, and small disks and large disks are arranged on both sides. An intermediate cylinder is formed between the disk and the small disk; the axis of the large disk and the axis of the small disk are not in line; the square-turned circular self-lubricating composite shaft sleeve is installed between the separated composite bracket and the square shaft to realize The square shaft and the square rotation self-lubricating composite shaft sleeve are relatively stationary and can rotate on a separate composite support; at the same time, the square rotation self-lubricating composite shaft sleeve uses a self-lubricating material (such as polytetrafluoroethylene, etc.) to make the square shaft and the The separated composite bracket is better connected and more stable, while also reducing the friction coefficient and making it longer in service life; at the same time, a square circle is provided between the square to circle self-lubricating composite sleeve and the separate composite bracket. Washer, to further reduce the friction between the two.

Advantage six: The present invention adopts a reasonable base design. The column mounting bar 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 at an angle of 120 degrees with each other. The base is beautiful and stable in connection with the column. At the same time, a protective cover can also be set at the connection between the column and the base to protect the connection part so that it will not damage the connection part due to rain.

Advantage seven: The present invention adopts a rational design of a double-recessed beam, and the double-recessed beam is provided with cross-shaped grooves on the upper and lower sides; the double-recessed beam makes the connection and assembly of the present invention more convenient and fast, and can be used at the same time. For the installation of double-sided power generation photovoltaic panels, etc., it has high promotion value.

Advantage eight: The present invention can be installed in the middle of a highway, in shallow water areas, or extended posts can be installed in deeper waters. When the present invention is installed on shallow or deep waters, it uses double-sided photovoltaic panels, which can also use the water The reflected light is used to generate electricity, increasing the amount of electricity generated, and integrating resources.

Advantage nine: The present invention is interwoven into a network, which has strong stability, high 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 (except cloudy days) throughout the day, which is better than the same area and structure. The power generation efficiency of the fixed electromagnetic element is increased by 15% -25%, thereby improving the power generation efficiency of the solar module; meanwhile, the present invention is small in size, light in weight, and convenient to install. Furthermore, the present invention is completely applicable to remote mountainous areas without power. An external power source is required to track sunlight, and the wind resistance is good; therefore, the present invention is suitable for a wide range of applications.

Advantage ten: All the system components of the present invention are prefabricated in standard size by the factory and assembled on-site, which solves the problem of a large number of concrete pouring in traditional photovoltaic power stations. The product is environmentally friendly and achieves clean energy and clean production. The grid structure of the system is simple. The space planning of the system is reasonable. The space under the girder can be pre-designed within 2.5-5 meters, leaving enough space for agricultural production.

Advantage eleven: The present invention is further divided into a north-south adjustable tilt system and an east-west tracking system through the placement of double-concave beams in different orientations; the north-south direction of the beam is used to form a grid-adjustable grid-type photovoltaic array system; the east-west beam is used A grid-type photovoltaic array system in which the photovoltaic elements are tracked in the east-west direction is formed by the orientation.

The present invention will be described in detail below with reference to FIGS. 1 to 29, and the technical solutions in the embodiments of the present invention will be clearly and completely described. Obviously, the described embodiments are only a part of the embodiments of the present invention, but not all of them. example. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

As shown in FIG. 1 to FIG. 29, the present invention provides a combined grid-type intelligent photovoltaic power generation system including a supporting portion, a separate composite support 2, a square shaft 5 and a photovoltaic panel 1; the square shaft 5 is provided in the separate composite support 2 and can be rotated on the split composite bracket 2; the split composite bracket 2 is fixed on the supporting portion; a plurality of photovoltaic panels 1 are fixed on the square shaft 5 to form a single row of photovoltaic grids, with each row of photovoltaic grids left between At a certain distance, multiple photovoltaic grids are arranged into a photovoltaic matrix.

The supporting portion includes a column 3, a double-recessed beam 4 and a base 8; an upper portion of the column 3 is connected to the double-recessed beam 4 and a lower portion is connected to the base 8.

The square shaft 5 is perpendicular to the double-concave beam 4 in space, and is mounted on the split composite bracket 2 through a square-circle self-lubricating composite shaft sleeve 9. The bottom of the split composite bracket 2 is recessed on the upper portion of the double-concave beam 4. T-bolts are connected in the groove 41; the photovoltaic panel 1 is mounted on the square shaft 5 through a fixed beam 10.

It also includes a power transmission rod 7 and a power rod 6. One end of the power transmission rod 7 is connected to the square shaft 5, and the other end is connected to the power rod 6.

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

The double-recessed beam 4 is provided with T-bolt-specific grooves 41 on the top and bottom.

A wear-resistant composite washer 11 is also provided between the separated composite bracket 2 and the square-turned circular self-lubricating composite shaft sleeve 9.

The column mounting rod 81 on the upper portion of the base 8 is provided with two rows of fixing holes, and each row of fixing holes has three threaded holes at an angle of 120 degrees with each other; a protective sleeve is also provided at the connection between the base 8 and the column 3.

The square rotating circle self-lubricating composite shaft sleeve 9 is provided with a square hole in the middle, and the small disc 93 and the large disc 91 are respectively on both sides, and the intermediate cylinder 92 is between the large disc 91 and the small disc 93; The axis of the large disc 91 and the axis of the small disc 93 are not collinear.

The upper part of the separated composite bracket 2 is a sleeve mounting part 21 and is provided with a round hole. Below the sleeve mounting part 21 is a vertical plate 24. Side plates 22 perpendicular to the vertical plate 24 are provided on both sides of the vertical plate 24; A lateral plate 23 is provided at a lower portion of the side plate 22, and a fixing hole 25 is formed in the lateral plate 23.

As shown in FIG. 1, the present invention can further increase and expand photovoltaic panels in different situations. A single-row photovoltaic matrix can control the movement of the power rod 6 by driving a link mechanism. The power rod 6 then drives the power transmission rod 7 and the power transmission rod. 7 Then push the square axis 5 to rotate, so as to rotate the entire single-row photovoltaic matrix, thereby adjusting the angle of the photovoltaic panel 1, the inclination of the photovoltaic panel 1 is different in different regions, and the photovoltaic system can also be used to calculate and control the photovoltaic The inclination angle of the panel 1 at each period makes the photovoltaic panel 1 always be in the best position, and the utilization rate of sunlight is the highest. After the entire system is assembled, a stable support frame 13 is respectively provided at the end and the middle part of the system to ensure that the present invention is more stable and reliable during use.

At the same time, a gap is designed between the front and back single-row photovoltaic matrices to ensure that when the photovoltaic panel 1 rotates to a horizontal level, the front and rear photovoltaic panels 1 maintain a certain distance to prevent interference when the front and rear photovoltaic panels 1 rotate; at the same time, through a reasonable gap and The rotation of the photovoltaic panel 1 realizes the control of the sunlight exposure of the land under the photovoltaic panel 1 or the agricultural shed 12 through the rotation of the photovoltaic panel 1 so that the sunlight exposure of the land under the photovoltaic panel 1 or the agricultural shed 12 can be adjusted, which is convenient for the land. Or the cultivation of agricultural plants in the agricultural shed 12.

As shown in FIGS. 4 and 8, the square shaft 5 is perpendicular to the double-concave beam 4. The photovoltaic panel 1 is mounted on the square shaft 5 through a fixed beam 10, and the square shaft 5 is a self-lubricating composite shaft through a square rotation. The sleeve 9 is installed on the separate composite bracket 2. The bottom of the separate composite bracket 2 is connected by a T-bolt installed in the upper groove 41 of the double concave beam 4. The double concave beam 4 is then connected to the column 3 at the bottom of the column 3. The T-bolt is connected to the base 8 and one end of the force transmission rod 7 is connected to the square shaft 5 and the other end is connected to the power rod 6; since the double-recessed beam 4 and the square shaft 5 are spatially perpendicular, and through a separate composite bracket 2 connections, so that the present invention is intertwined into a net shape; when a certain number of single-row photovoltaic matrices are installed 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 implement or use the present invention. Various modifications to these embodiments will be apparent 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 will not be limited to the embodiments shown herein, but should conform to the widest scope consistent with the principles and novel features disclosed herein.

1‧‧‧Photovoltaic panels

2‧‧‧ Detachable composite bracket

21‧‧‧Shaft sleeve mounting section

22‧‧‧Side

  23‧‧‧ horizontal board

24‧‧‧ Stand

25‧‧‧ fixing hole

3‧‧‧ post

4‧‧‧Double recessed beam

41‧‧‧Groove

5‧‧‧square shaft

6‧‧‧ Power lever

7‧‧‧ Power Transmission Rod

8‧‧‧ base

81‧‧‧post mounting rod

9‧‧‧Square to round self-lubricating composite shaft sleeve

91‧‧‧big disc

92‧‧‧Cylinder

93‧‧‧small disc

94‧‧‧Square to round washer

10‧‧‧ fixed beam

11‧‧‧washer

12‧‧‧ Agricultural Shed

13‧‧‧Stable support frame

14‧‧‧Smart Control Box

Figures 1 to 3 are the overall installation of the present invention. Figure 4 is a schematic view of the partial connection of the present invention. Figure 5 is a schematic view of the agricultural shed after installation. Figure 6 is a partial schematic view of the agricultural shed after installation. The internal partial view after the agricultural shed is installed in the present invention. FIG. 8 is a partially enlarged schematic diagram of D in FIG. 4. FIG. 9 is a partially enlarged schematic diagram of A in FIG. 2. FIG. 10 is the installation of a square to circular self-lubricating composite bushing and washer. Diagrams 11 to 14 are schematic diagrams of a square to round self-lubricating composite bushing. 15 is a cross-sectional view of AA in FIG. 13. 16 to 19 are schematic diagrams of a separate composite bracket. 20 to 21 are double-concave beams. Schematic diagram 22 is a cross-sectional view of CC in FIG. 21; 23 is a partially enlarged schematic diagram of B in FIG. 20; FIG. 24 to FIG. 25 are schematic diagrams of the installation installation of a column and a base; FIGS. 26 to 28 are schematic diagrams of a base; Sectional view of DD in FIG. 27

Claims (8)

A combined grid-type intelligent photovoltaic power generation system includes a supporting part, a separated composite bracket, a square shaft, and a photovoltaic panel; the square shaft is arranged on the separated composite bracket and can be mounted on the separated composite bracket. The separated composite bracket rotates; the separated composite bracket is fixed on the support portion; a plurality of the photovoltaic panels are fixed on the square shaft to form a single row of photovoltaic grids, with each row of photovoltaic grids left between At a certain distance, a plurality of photovoltaic grids are arranged into a photovoltaic matrix. The supporting portion includes a column, a double-recessed beam and a base; an upper portion of the column is connected to the double-recessed beam, and a lower portion is connected to the base. The column mounting rod on the upper part of the base is provided with two rows of fixing holes, and each row of the fixing holes has three screw holes at an angle of 120 degrees with each other; a protective sleeve is also provided at the connection between the base and the column. The combined grid-type intelligent photovoltaic power generation system according to item 1 of the scope of the patent application, wherein the square shaft is perpendicular to the double concave beam in space, and is mounted on the self-lubricating composite shaft sleeve in a square circle. A separated composite bracket, the bottom of the separated composite bracket is connected by a T-bolt installed in an upper groove of a double concave beam; the photovoltaic panel is installed on the square shaft through a fixed beam. The combined grid-type smart photovoltaic power generation system according to item 1 of the patent application scope, further comprising a power transmission rod and a power rod, one end of the power transmission rod is connected to the square shaft, and the other end is connected to the power rod. The combined grid type smart photovoltaic power generation system described in item 3 of the patent application scope, further comprising a smart control box, an angle sensor and a driving mechanism, wherein the smart control box is installed on the column, and the angle sensing The controller is installed on the photovoltaic grid on the side of the smart control box, and the driving mechanism is connected to the power rod. According to the combined grid type intelligent photovoltaic power generation system described in item 1 of the scope of the patent application, the double-recessed beam is provided with T-bolt dedicated grooves on the upper and lower sides. According to the combined grid type smart photovoltaic power generation system described in item 2 of the scope of the patent application, a wear-resistant composite washer is further provided between the separated composite bracket and the square-turn-round self-lubricating composite shaft sleeve. The combined grid-type intelligent photovoltaic power generation system according to item 2 of the scope of the patent application, wherein a square hole is provided in the middle of the square-turning circular self-lubricating composite shaft sleeve, and small disks and large disks are on both sides, An intermediate cylinder is formed between the large disc and the small disc; the axis of the large disc and the axis of the small disc are not collinear. According to the combined grid-type intelligent photovoltaic power generation system described in item 1 of the scope of patent application, wherein the upper part of the separated composite bracket is a sleeve mounting portion and is provided with a round hole, and the lower portion of the sleeve mounting portion is a vertical plate, Side plates perpendicular to the vertical plate are provided on both sides of the vertical plate; a horizontal plate perpendicular to the vertical plate is provided at a lower portion of the side plate, and a fixing hole is provided in the horizontal plate.