KR20100096669A

KR20100096669A - Supporting structure of solar photovoltaics generator having a tilt

Info

Publication number: KR20100096669A
Application number: KR1020090015666A
Authority: KR
Inventors: 채준석
Original assignee: 채준석
Priority date: 2009-02-25
Filing date: 2009-02-25
Publication date: 2010-09-02

Abstract

PURPOSE: A support structure of a solar electric generator having gradient is provided to prevent damage to a rotary portion by safe tracking adjustment and support from a hinge shaft. CONSTITUTION: Posts are formed on the ground with different heights. The both sides of a frame(30) installed with a module plate(40) are connected to the top surface of each post to be rotated. A frame is installed on a bracket(20) vertically to the top of the post. A self-aligning bearing(50) is formed on a support bracket(31).

Description

Supporting structure of solar photovoltaics generator having a tilt}

The present invention relates to a photovoltaic generator, and more particularly, in a structure in which a module plate of the photovoltaic generator is mounted to rotatably support a frame tracked according to sunlight from a strut frame at a predetermined height, particularly having a slope. When the tracking of the frame is adjusted, the load received from the hinge shaft is stably supported as in the case of smooth parallel movement of the frame, so that the support structure of the photovoltaic generator having the inclination can be smoothly adjusted to prevent damage to the rotating part. will be.

As oil, a fossil energy, is running out, oil prices are skyrocketing. To solve this problem, various systems have been developed and used to convert solar heat from the sun into electricity as an alternative energy source.

In order to absorb solar energy most efficiently, the solar panels and the module boards should be in contact as vertically as possible. Such a vertical contact method has been developed using a light sensor, a method of pre-calculating and tracking the position of the sun, and a method of using a sensor and a program in parallel.

As the method used for directional control uses expensive equipment such as a server motor and an encoder, a small power generation system that is not large has a disadvantage in that its operating energy is excessively consumed and economic efficiency is greatly reduced.

Recently, in order to minimize the existing complex solar sensor and driving control unit, the sun position tracking is calculated from the date information, and the information such as latitude, longitude, and altitude information of the installation position is calculated using DGPS (Differential Global Positioning System). To track the optimal sunlight direction.

As a result, procedures such as analysis and calculation of information from the control of the complicated servo motor and the sensor are omitted, and the control becomes simple.

Surprisingly, the tracking of solar light through the program calculated by the above calculation method has been disclosed. The solar generator is increasing the effective solar module effect according to the season based on the time when the sun rises and wakes each day through the designed program. .

Looking at the basic configuration of such a solar generator, as shown in Figure 1 attached.

The post 120 is erected on the concrete foundation 110, and the frame 130 having a plurality of support frames 132 orthogonally arranged on the transverse frame 131 on the top of the post 120 to mount the module plate. ) Is installed. The solar generator 100 is a fixed type of the frame 130 is fixedly mounted to the post 120, and the module plate by the tracking device 150 is provided so that the module plate including the frame 130 facing the sun. There is a single axis type 140 moving along the sunlight, and a two-axis operation drive type generator to be moved in two tracking devices (150, 160) so that the module plate 140 follows the sun.

On the other hand, when there is a large amount of sunlight sunshine south side is provided with a single-axis solar generator 100 as described above, preferably for the effective solar module, as shown in the accompanying Figure 2, the height difference on both sides Different posts 10 and 11 are fixedly installed from the bottom surface, and a frame 30 having a plurality of support frames 32 arranged at equal intervals is installed at an upper portion of the posts 10 and 11, and an upper portion thereof. The module plate 40 for absorbing sunlight is installed. The frame 30 and the module plate 40 are installed with an inclination of 5 to 10 degrees.

Rotating shafts 31 are connected to both sides of the frame 30, and the rotary shafts 31 are installed through the bearing parts 12 and 13 provided on the upper portions of the posts 10 and 11, respectively. Bushing (B) is installed in each of the bearing portion for receiving the rotary shaft 31 for rotation is installed in a structure.

The bearing parts 12 and 13 with respect to the rotation axis of the frame 30 are inclined so as to support and support the rotation shaft 31 according to the inclination angle of the frame 30 from the top of the posts 10 and 11. .

However, the following problems occurred according to the tracking operation of the solar generator installed to have a slope as described above.

The frame 30 installed with the inclinations on the high posts 10 and the low posts 11 is biased with the bearing part 13 of the frame 30 supported on the lower post 11 side as a whole. Will occur.

This occurrence is further caused by the frame's sliding on the lower bearing part because the rotating shaft 31 of the frame 30 coupled to the bearing part 13 of the lower post 11 pushes or loads from the bushing B. This causes a problem that interferes with the rotation due to the operation of the overall module plate and the frame, or even the module plate 40 is adjusted over time according to the position of the overall solar due to deformations such as bending in the bearing portion (13) ) Has a problem that the tracking action is not made smoothly.

The present invention has been made to solve the conventional problems as described above, in the structure of supporting the frame tracked in accordance with the sunlight rotatable to a predetermined height from the holding frame by mounting the module plate of the solar generator In particular, the purpose of the present invention is to stably support the load received from the hinge shaft during the tracking adjustment of a frame having an inclination, so that the rotation of the rotating part can be prevented along with the smooth tracking adjustment.

According to the present invention for achieving the above object, the posts are provided with different heights from the ground, and both sides of the frame is installed rotatably connected to the upper surface of the upper post of each of the frame is provided with a module plate 32 In the solar generator,

Each of the posts has a hinge shaft horizontally installed on a vertical bracket and installed at an acute angle from a frame having an inclination, and self-aligning bearings in which the caution of rotational center against distortion from the centerline of the hinge shaft is adjusted are provided at both ends of the frame. It is provided on the side support bracket, characterized in that connected to the hinge shaft.

In the solar generator according to the present invention, the load is biased toward the lower side of the module plate having an inclination when tracking adjustment with respect to the hinge axis on the bracket is installed from the post side by placing the self-aligning bearing on the support bracket on both sides of the frame on which the module plate is installed It is possible to prevent the damage of the rotating part with the stable support from the hinge axis together with the stable tracking adjustment by correcting the distortion generated.

Hereinafter, described in more detail with reference to the accompanying drawings in accordance with the present invention.

4 is a perspective view showing a solar generator of the present invention, Figure 5 is a front view showing a solar generator according to the present invention, Figure 6 is a front view showing an enlarged hinge axis connecting portion of the frame in Figure 5 to be.

According to the present invention, posts 10 and 11 having different heights from the ground are provided, and both sides of the frame 30 provided with the module plate 40 as an array of a plurality of support frames 32 on the upper surface of each post. In this rotatably connected solar generator 100,

The hinge shafts are horizontally installed on the brackets 20 perpendicular to the upper portions of the posts 10 and 11, respectively, and are installed at an acute angle from the frame 30 having an inclination, and are twisted from the center line of the hinge shafts 21. Self-aligning bearing 50 is adjusted to the rotational center of the rotation is provided on both ends of the support bracket 31 of the frame 30 is connected structure from the hinge shaft 21.

The self-aligning bearing 50 is a self-aligning operation, which is a known bearing part that always rotates in parallel with the opposite axis and always draws a circle about the hinge axis 21. In general, the inner ring of the bearing has two rows of tracks, and the outer ring track has a spherical surface, and the center of curvature of the spherical surface coincides with the center of the bearing so that the inner ring, the bowl, and the retainer can provide smooth caution to the outer ring. The cross section of the self-aligning bearing according to the present invention will be schematically shown.

As described above, the support for the rotating part of the frame 30 is in the tracking adjustment of the module plate 40 along the sunlight, the self-aligning bearing 50 installed from the support frame 31 at both ends of the frame 30. ) Is the self-aligning bearing 50 from the center of the hinge shaft 21 when the load is biased on the hinge shaft 21 provided on the post 20 side, which is particularly low relative to the engagement of the bearing housing with respect to the hinge shaft 21. The distortion of) is stable because the bearing housing inner surface and spherical characteristics are automatically adjusted for the hinge axis.

This action prevents damage to the rotating part of the hinge shaft on the post side while smoothly implementing the tracking adjustment of the module plate by applying the self-aligning bearing to the rotational support of the frame that was supported depending on the existing bushing. As it can, it is more effective for operating solar generators that are installed relatively large and sloped.

1 is a perspective view showing a typical solar generator,

Figure 2 is a front view showing a conventional solar generator,

3 is an enlarged front view of the hinge shaft connecting portion of the frame of FIG. 2;

4 is a perspective view showing a solar generator of the present invention,

5 is a front view showing a solar generator according to the present invention,

FIG. 6 is an enlarged front view of the hinge shaft connecting portion of the frame in FIG. 5; FIG.

10,11: Post 20: Bracket

21: hinge axis 30: frame

31: support bracket 32: support frame

40: module plate 50: self-aligning bearing

Claims

Posts 10 and 11 having different heights from the ground are provided, and both sides of the frame 30 provided with the module plate 40 as an array of a plurality of support frames 32 on the upper upper surface of each post are rotatable. In the installed solar generator 100,

The hinge shafts are horizontally installed on the brackets 20 perpendicular to the upper portions of the posts 10 and 11, respectively, and are installed at an acute angle from the frame 30 having an inclination, and are twisted from the center line of the hinge shafts 21. The self-aligning bearing 50, which adjusts the circumference of the rotational center, is provided on both ends of the support bracket 31 of the frame 30 so as to be connected from the hinge shaft 21. Support structure.