KR102081688B1 - Solar Generating System for Farming - Google Patents

Abstract

The present invention relates to a solar photovoltaic system for farming which is easy to control a tilting angle of a solar module. The solar photovoltaic system for farming comprises: a plurality of vertical supports spaced apart in a grid shape; a control motor coupled to at least one of the plurality of vertical supports; a control axis support unit coupled to an upper side of the vertical support in a first direction; a control axis coupled to the control axis support unit along the first direction and having one end thereof coupled to the control motor to rotate; a module axis support unit coupled in a second direction perpendicular to the first direction to an upper end of the vertical support; a module axis coupled to the module axis support unit along the second direction and having one side thereof coupled to the control axis to rotate in accordance with the rotation of the control axis; a solar module coupled to the module axis to be tilted in accordance with the rotation of the module axis; and a control unit operating the control motor to tilt the solar module at a predetermined angle.

Description

Farm Generating System {Solar Generating System for Farming}

The present invention relates to a photovoltaic power generation system, and more particularly, to a farm-type photovoltaic power generation system that can be installed on farmland such as rice fields and fields to produce electricity while not affecting or minimizing crop cultivation.

A farming photovoltaic system is a photovoltaic system that produces electricity by cultivating crops in farmland and installing photovoltaic module modules thereon.

The farm-type photovoltaic power generation system is characterized by a sparse installation of the photovoltaic module, unlike a general photovoltaic power generation system, in which a photovoltaic module is piled up to accommodate the maximum sunlight in a limited area. As such, it is important for a farm-type photovoltaic system to provide sufficient amount of sunlight to the crop by separating the solar modules sufficiently.

Korean Patent Registration No. 1870374 discloses a module for installing a farm-type photovoltaic power generation facility. The contents of the present invention include a first unit having a support which is erected and fixed on a farmland, and is inserted through an upper end of the support at a predetermined height. A second unit having a rotatable and expandable brace bar, and an upper frame frame supported on the top of the brace bar, a solar module coupled to the upper frame frame, and a third having a pivot rod for rotating the solar module It is comprised so that a unit may be included and construction convenience is improved.

By the way, the prior art is fixed or tilted individually when controlling the solar module, when the solar power system is applied to a large farmland may require a lot of work time, such as tilting the solar module.

In addition, the farm-type photovoltaic power generation system should be operated in a range that does not interfere with the growth of the crop, the prior art focuses on the assembly, installation, may adversely affect crop growth.

[Preceding technical literature]

Registered Korean Patent No. 1870374 (Module for installation of agricultural solar power plant)

Registered Korean Patent No. 1909857 (Joint for installation of agricultural solar power plant)

The present invention is to solve the problems of the prior art,

First, it is easy to control the solar module by tilting the entire solar module at once,

Second, by supplying electricity to the surplus solar energy while supplying the maximum amount of sunshine required for the crop, it is intended to provide a farm-type photovoltaic power generation system that can increase the farm income with the crop cultivation.

The agricultural-type photovoltaic power generation system of the present invention for achieving this object may include a vertical support, a control motor, a control shaft support, a control shaft, a module shaft support, a module shaft, a solar module, a controller.

The vertical support can be arranged in a grid form, such as a large number of spaces for planting crops.

The control motor may be coupled to at least one of the vertical supports.

The control shaft support may be coupled to the upper side of the vertical support in the first direction.

The control shaft may be coupled to the control shaft support along the first direction. The control shaft can rotate in one end coupled to the control motor.

The module shaft support may be coupled to the upper end of the vertical support in a second direction perpendicular to the first direction.

The module shaft may be coupled to the module shaft support along the second direction. One side of the module shaft is coupled to the control shaft can rotate in accordance with the rotation of the control shaft.

The solar module may be coupled to the module shaft and tilted according to the rotation of the module shaft.

The controller may tilt the solar module at a predetermined angle by operating the control motor.

The farm-type photovoltaic power generation system of the present invention may include a motor support. One side of the motor support may be coupled to the vertical support and the other side may support the control motor.

The farm-type photovoltaic power generation system of the present invention may include a support pedestal. The support pedestal may have one side coupled to the vertical support and the other side supporting the control shaft support.

Farm-type photovoltaic power generation system of the present invention may include a horizontal reinforcement. The horizontal reinforcement may be coupled to the upper side of the vertical support in the first direction.

The farm-type photovoltaic power generation system of the present invention may include a reinforcing rod connector. Reinforcement end connections can connect horizontal reinforcements. In this case, the control shaft support and the module shaft support may be coupled to the upper and upper ends of the reinforcing bar connector, respectively.

In the agricultural photovoltaic power generation system of the present invention, the control shaft may include a worm gear, and the module shaft may include a pinion gear. The worm gear and the pinion gear can rotate in orthogonal engagement.

In the farm-type photovoltaic power generation system of the present invention, the control shaft support and the module shaft support may be provided with a bearing for rolling coupling with the control shaft and the module shaft.

In the farm-type photovoltaic power generation system of the present invention, the vertical support can be configured to be adjustable in length. The vertical support may be composed of a lower vertical support, an upper vertical support, a fixing pin.

The lower vertical support may form a hollow along the longitudinal direction and have a lower fixing pin insertion hole.

The upper vertical support may be inserted into the lower vertical support in the longitudinal direction and may include a plurality of upper fixing pin insertion holes along the longitudinal direction.

The fixing pin may be inserted into the lower fixing pin insertion hole and the upper fixing pin insertion hole to fix the upper vertical support to the lower vertical support.

The farm-type photovoltaic power generation system of the present invention may include a database for storing the required amount of sunshine corresponding to the growth period of the crop. In this case, the controller may adjust the tilting angle of the solar module according to the amount of sunlight required to be extracted from the database.

The farm-type photovoltaic power generation system of the present invention may include a sunshine meter for measuring the amount of sunshine in real time.

The controller may tilt the solar module at a tilting angle that satisfies the required amount of sunshine when the amount of measurement sunshine received from the sunshine meter is greater than the required amount of sunshine extracted from the database.

The controller may tilt the photovoltaic module at a tilting angle at which the photovoltaic module does not block the sun when the amount of measured sunshine received from the sunshine meter is less than or equal to a required sunshine amount extracted from the database.

According to the farm-type photovoltaic power generation system of the present invention having such a configuration, it is possible to adjust the tilting angle of the entire photovoltaic module through one control motor, it is easy to control the tilting angle of the photovoltaic module.

In addition, according to the farm-type photovoltaic power generation system of the present invention, by producing electricity with the remaining sunlight while supplying the maximum amount of sunshine required for crops, it is possible to effectively or maximally utilize the amount of idle sunshine in the farmland, thereby increasing the farm household income Can contribute significantly.

1A and 1B are a perspective view and a side view of a farm-type photovoltaic power generation system according to the present invention.
Figure 2a, 2b is a partial side view, a plan view showing a connecting portion of the control shaft and the module shaft in the farm-type photovoltaic power generation system according to the present invention.
3 is an exploded perspective view illustrating a connection portion between the control shaft and the module shaft in the farm-type photovoltaic power generation system according to the present invention.
4 is a flowchart illustrating a process of adjusting the tilting angle of the photovoltaic module in the farm-type photovoltaic power generation system according to the present invention.

Hereinafter, the present invention will be described in detail with reference to the accompanying drawings.

1A and 1B are a perspective view and a side view of a farm-type photovoltaic power generation system according to the present invention.

As shown in Figure 1a, 1b, the farm-type photovoltaic power generation system of the present invention is the vertical support 110, the control motor 120, the control shaft support 130, the control shaft 140, the module shaft support 150 ), The module shaft 160, the solar module 170, the controller 180, and the like.

The vertical support 110 is to be built vertically, can be arranged a plurality of spaced apart at regular intervals in farmland, such as rice fields, fields for growing crops. The vertical support 110 may be arranged in a grid form.

The vertical support 110 may have a lower end inserted directly into the farmland or coupled to the upper end of the base 117. Base 117 may be configured such that the lower side is buried in farmland and the upper end is exposed to the ground. Base 117 may be composed of concrete, wood, synthetic resin and the like.

The vertical support 110 may be configured to be adjustable in length, for example, it may be composed of a lower vertical support 111, an upper vertical support 113, fixing pins (P1, P2) and the like.

The lower vertical support 111 may be configured in the form of a cylinder to form a hollow along the longitudinal direction. The lower vertical support 111 may have a lower fixing pin insertion hole H1 at an upper side thereof.

The upper vertical support 113 may be inserted into the lower vertical support 111 in the longitudinal direction and fixed. The upper vertical support 113 may include a plurality of upper fixing pin insertion holes H2 spaced apart in the length direction. The upper vertical support 113, like the lower vertical support 111, can be configured in a cylindrical form forming a hollow along the longitudinal direction.

The first fixing pin P1 may be inserted into the lower fixing pin insertion hole H1 and the upper fixing pin insertion hole H2 to fix the upper vertical support 113 to a predetermined height in the lower vertical support 111.

The second fixing pin P2 is inserted into the fixing pin insertion hole of the upper fixing pin insertion hole H2 and the sub-vertical support when additionally inserting another sub-vertical support into the upper vertical support 113. The support can be fixed.

The control motor 120 may be fixed to the vertical support 110 in combination. The control motor 120 may be coupled to an upper side of the vertical support 110 located in the center of the vertical support 110 of the edge. The control motor 120 may rotate the control shaft 140 by the amount of rotation according to the operation signal received from the controller 180, the amount of rotation (tilting angle of the solar module), and the like. The control motor 120 is preferably provided with one in order to tilt the entire photovoltaic module 170 by one control. However, when a large capacity is required because the number of the photovoltaic modules 170 is large, two or more may be used. .

The motor pedestal 121 supports the control motor 120, one side of which may be coupled to the vertical support 110 and fixedly support the control motor 120 on an upper surface thereof.

The control shaft support unit 130 may rotatably support the control shaft 140 and may be embedded through the control shaft 140 or may support the control shaft 140 to be opened upward. The control shaft support 130 may be fixed to the upper side of the vertical support 110. The control shaft support unit 130 may include a plurality, in which case it may be arranged in a first direction, that is, in the longitudinal direction of the control shaft 140.

The support part supporter 131 supports the control shaft support part 130, one side thereof is coupled to the vertical support part 110, and the support shaft support part 130 may be fixedly supported on the upper surface thereof.

The control shaft 140 may be coupled to the control shaft support 130 in a first direction, that is, in a direction in which the control shaft support 130 is arranged. One end of the control shaft 140 may be coupled to the control motor 120 to rotate together with the rotation of the control motor 120. The control shaft 140 may be configured in the form of a bar.

The module shaft support unit 150 may rotatably support the module shaft 160. The module shaft support unit 150 may penetrate through the module shaft 160 or support the module shaft 160 to be opened upward. Module shaft support 150 may be coupled to the top of the vertical support (110). The module shaft support part 150 may include a plurality, and in this case, the module shaft support part 150 may be arranged in a second direction, that is, a direction perpendicular to the longitudinal direction of the control shaft 140. The module shaft support 150 may be coupled to the upper end of the vertical support 110 by welding or the like.

The module shaft 160 may be coupled to the module shaft support part 150 in a second direction, that is, in a direction in which the module shaft support part 150 is arranged. One side of the module shaft 160 may be coupled to the control shaft 140 to rotate together with the rotation of the control shaft 140. The module shaft 160 may be configured in the form of a bar.

The solar module 170 is fixedly coupled to the module shaft 160, and may be tilted according to the rotation of the module shaft 160. The solar module 170 may be configured by connecting a plurality of solar cells. Solar cells can generate electricity using the photoelectric effect. The basic unit of a solar cell is a cell, which is easily broken and used in a module form. The solar module 170 may be coupled to and supported by the support device. In this case, the photovoltaic module 170 may be fixedly coupled to the module shaft 160 via a support device.

The controller 180 may operate the control motor 120 to tilt the solar module 170 at a predetermined angle.

The farm-type photovoltaic power generation system of the present invention may include a database for storing the required amount of sunshine according to the growth time of the crop. The database may divide the growth period into month / day units and match and store the amount of sunshine required to correspond to each month / day. The database may store the required amount of sunshine for one crop, but if it is possible to grow different crops at different times in the same place, the required amount of sunshine for each crop may be stored.

The controller 180 may extract the required amount of sunshine from the database and rotate the control motor 120 according to the extracted required amount of sunshine to adjust the solar module 170 to an optimal power generation tilting angle.

The farm-type photovoltaic power generation system of the present invention may include a sunshine meter (210). The sunshine meter 210 may measure the amount of sunshine in real time and transmit it to the controller 180 by wire or wirelessly. The sunshine measurer 210 may be configured, for example, with a base, a horizontal axis, a band, an illuminance sensor, a sunshine amount calculator, and the like.

The controller 180 may compare the amount of sunshine received from the sunshine meter 210 with the amount of sunshine required at the present time extracted from the database, and adjust the tilt angle of the solar module 170 according to the comparison value. Here, the database may store the tilting angle of the solar module 170 by matching the shading ratio.

Farm-type photovoltaic power generation system of the present invention may include a horizontal reinforcement (310).

The horizontal reinforcement support 310 may be coupled along the length direction of the control shaft 140 on the upper side of the vertical support 110. The horizontal reinforcement 310 may be configured with a truss structure to increase the supporting force, the horizontal reinforcement 310 may be connected to the other horizontal reinforcement 310 through the reinforcement connector 320, reinforcement fixture 330, flanges and the like. . Reinforcement connector 320 may not be coupled with the vertical support (110). The reinforcing rod connector 320 may support the control shaft support 130 and the module shaft support 150 on the upper side and the upper end.

2A and 2B are a partial side view and a plan view showing a connecting portion of a control shaft and a module shaft in the farm-type photovoltaic power generation system according to the present invention.

As shown in FIGS. 2A and 2B, the solar module 170 may be coupled to the module shaft 160 in the longitudinal direction and tilted together with the rotation of the module shaft 160.

The control shaft support 130 may be coupled to the outer surface of the vertical support 110 at a point spaced downward from the top of the vertical support 110, the module shaft support 150 is the top of the vertical support 110 Can be combined with

The vertical height difference between the control shaft support unit 130 and the module shaft support unit 150 is equal to the difference between the heights of the control shaft 140 and the module shaft 160 is engaged up and down. The worm gear 141 and the pinion gear 161 are formed on the control shaft 140 and the module shaft 160, respectively, and the worm gear 141 and the pinion gear 161 are orthogonally coupled to each other so that the control shaft 140 The rotational force may be transmitted to the module shaft 160.

Reinforcing bar fixture 330 is configured in the form of a bar (bar) may be coupled to penetrate one side through the vertical support 110 in the width direction. To this end, the vertical support 110 may be provided with a fastener coupling hole at a point where one side of the reinforcement fixture 330 is inserted.

Reinforcement fixture 330 may have a fixture flange 331 on the other side, that is, the front end. Fixture flange 331 may be coupled through the bolt / nut coupling with the reinforcement flange 311 is provided at one end of the horizontal reinforcement (310).

The reinforcement fixture 330 may include a plurality of fixture support wings 332 and 334 at the rear end and one side of the fixture flange 331 along the outer circumferential surface, and the horizontal reinforcement support 310 is also provided at the rear end of the reinforcement flange 311 along the outer circumferential surface. A plurality of 312 can be provided. Fixture support blades 332 and 334 and reinforcement support blades 312 may prevent shaking and the like by strengthening the coupling force of the connection portion.

3 is an exploded perspective view illustrating a connection portion between the control shaft and the module shaft in the farm-type photovoltaic power generation system according to the present invention.

As shown in FIG. 3, the motor pedestal 121 is configured in a plate shape to fix and support the control motor 120 on an upper surface thereof.

The support part pedestal 131 may be configured in a plate shape to fix and support the control shaft support part 130 on the upper surface. Support bracket 131 may be coupled to the outer surface of the vertical support (110). The support pedestal 131 may include a depression corresponding to a circular outer surface of the vertical support 110 at a portion coupled with the vertical support 110.

Fixture flange 331 may have a plurality of flange coupling holes (H3) along the edge. A bolt is inserted into the flange coupling hole (H3), and the bolt passes through the flange coupling hole of the reinforcing bar flange (311 in FIGS. 2A and 2B), and then at the rear of the flange coupling hole of the reinforcing bar flange (311 in FIGS. 2A and 2B). It can be screwed onto the nut.

The control shaft support unit 130 and the module shaft support unit 150 may be coupled to each other while rolling the control shaft 140 and the module shaft 160, respectively. To this end, the control shaft support 130 and the module shaft support 150 may be provided with a bearing therein.

4 is a flowchart illustrating a process of adjusting the tilting angle of the photovoltaic module in the farm-type photovoltaic power generation system according to the present invention.

As shown in FIG. 4, in the farm type photovoltaic power generation system, the tilt angle adjustment of the photovoltaic module may be performed by the controller 180 to receive the amount of sunshine at the present time from the sunshine meter 210 in real time (S10). .

The controller 180 may search the database to extract the required amount of sunshine at the present time, and compare it with the measurement amount of sunshine received from the sunshine meter 210 (S20). The amount of sunshine required can be stored in the database by dividing the type of crop and the growing time (month / day / hour).

If the amount of sunshine measured in step S20 is greater than the amount of sunshine required, the controller 180 determines that the present solar power generation is possible, and controls the control motor 120 to tilt the solar module 170 at an optimal power generation tilting angle. Can be. The optimal power generation tilting angle may mean a tilting angle of the solar module 170 corresponding to the maximum shading ratio in which the solar module 170 satisfies the required amount of sunshine. The database may store and match the date and time, the shading ratio, the tilting angle, and the like. The controller 180 may calculate a light blocking ratio from a value obtained by subtracting a required amount of sunshine from the amount of sunshine measured. The controller 180 may extract a tilting angle corresponding to the calculated light shielding ratio from a database and determine an optimal power generation tilting angle.

If the amount of sunshine measured in step S20 is less than or equal to the required amount of sunshine, the controller 180 determines that solar power is currently impossible, and controls the control motor 120 to prevent the solar module 170 from shielding sunlight. Not tilting angle, that is, the solar module 170 can be tilted to be parallel to the incident direction of sunlight.

Although FIG. 4 illustrates a tilting method that reflects the amount of sunshine measured at the present time in real time, the tilting control of the present invention is not limited thereto, and the required amount of sunshine is divided into sections, for example, one week, one month, and the like. It can also be averaged over. For example, the weather information of the section is received from the Meteorological Agency server, the average tilting angle of the section is calculated at the start of the section, and the day / hour tilting angle is changed within the section based on the average tilting angle. You can. Through this control method, it is possible to flexibly respond to the required generation time and the amount of power generation.

While the present invention has been described in terms of various embodiments, such embodiments may be modified or modified in other forms. However, since the scope of the present invention is defined by the claims below, such modifications and variations can be interpreted as being included in the scope of the present invention.

110: vertical support 111: lower vertical support
113: upper vertical support 117: foundation
120: control motor 121: motor support
130: control shaft support portion 131: support portion support
140: control shaft 141: worm gear
150: module shaft support 160: module shaft
161: pinion gear 170: solar module
180: control unit 210: sunshine meter
310: horizontal reinforcement 311: reinforcement flange
312: reinforcing bar support wing 320: reinforcing bar connector
330: reinforcement fixture 331: fixture flange
332,334: Fixture support wing H1, H2: Fixing pin insertion hole
H3: Flange engagement hole P1, P2: Locking pin

Claims (11)

A plurality of vertical supports 110 spaced apart in a grid form;
A plurality of horizontal reinforcing members 310 coupled between the plurality of vertical supports in a first direction and a second direction perpendicular to the first direction between the vertical supports;
A reinforcement connector 320 connecting the horizontal reinforcement but not coupled to the vertical support;
Reinforcing bar fixture 330 for fixing the horizontal reinforcement to the reinforcing bar connector;
A motor support 121 coupled to a point spaced downward from an upper end of at least one of the plurality of vertical supports and having a plate shape;
A control motor 120 fixedly supported on an upper surface of the motor support;
A support having a plate shape having a depression corresponding to an outer surface of the vertical support and the reinforcement connector, coupled to an outer surface of the vertical support and the reinforcement connector at a point spaced downward from an upper end of the vertical support and the reinforcement connector; 131;
A control shaft support part 130 coupled to an upper surface of the support part support in the first direction;
A control shaft 140 coupled to the control shaft support part along the first direction and having one end coupled to the control motor to rotate;
A module shaft support portion 150 coupled to the top of the vertical support and reinforcement connector in the second direction;
A module shaft 160 which is rolled and coupled to the module shaft support unit along the second direction, and one side of which is orthogonally coupled to the control shaft to rotate perpendicularly according to the rotation of the control shaft;
A solar module 170 coupled to the module shaft and tilted according to the rotation of the module shaft; And
And a controller (180) for operating the control motor to tilt the photovoltaic module. delete delete delete delete delete delete delete The method of claim 1,
A database for storing a required amount of sunshine corresponding to the time of growth of the crop; And
Sunlight meter 210 for measuring the amount of sunshine,
The controller may tilt the photovoltaic module at a tilting angle that satisfies the required amount of sunshine when the amount of measurement sunshine received from the sunshine meter is greater than the required amount of sunshine extracted from the database. A solar type solar power system, wherein the solar module tilts the solar module at a tilting angle that does not block the sun.
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