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A solar tracking device for photovoltaic power generation

A solar tracking and photovoltaic power generation technology, applied in the field of solar tracking devices, can solve the problems of large-scale application of tracking brackets, poor adaptability to the environment, and large foundation volume, etc., to achieve large-scale design, convenient construction and maintenance, The effect of increasing power generation

Active Publication Date: 2019-02-12
丁慈鑫 +3
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Since 2009, my country has launched large-scale photovoltaic power generation market applications. It is expected that through years of continuous national policy support and promotion, photovoltaic power generation applications will be promoted through two paths of technological progress and large-scale development, and finally achieve grid parity, thereby replacing fossil energy. Purpose, among them, the solar tracking bracket is one of the fast-growing branch technical solutions, which has played a role in promoting the increase of power generation, but the existing tracking bracket has the following disadvantages: complex structure, high cost, high failure rate, difficult maintenance, The ability to adapt to the environment is poor, the construction is difficult, the foundation volume is large, the land occupation is large, and the consumables are more, so the large-scale application of the tracking bracket is difficult, and the market share is much lower than that of the general fixed bracket.

Method used

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  • A solar tracking device for photovoltaic power generation
  • A solar tracking device for photovoltaic power generation
  • A solar tracking device for photovoltaic power generation

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0057] Such as figure 1 , 2 , 3, and 5, the tracking bracket 1 includes: a pile 16, a casing 8, a steel wheel 12, and a photovoltaic module plate fixing plate;

[0058] The pile 16 is a steel pipe or reinforced concrete material with a circular cross-section, which can be solid or hollow. The part embedded in the ground is called a pile, and the protruding part is called a column. And in order to enhance the anchoring effect on the ground, the bottom of the pile 16 is welded with an anchor bar 161, and the periphery of the buried part is poured and compacted with concrete 162. The axis line of the pile column 16 is perpendicular to the ground. When the pile 16 is made of steel pipe material, concrete is poured into the steel pipe to greatly improve the bending, shearing and torsional performance of the pile 16;

[0059] The photovoltaic module board 2 is installed on the horizontal purlin 3, and the horizontal purlin 3 is installed on the inclined beam 4, and the inclined b...

Embodiment 2

[0076] Such as Figure 4As shown, the only difference from the first implementation is that the combined structure of the pile 16 and the casing 8 has another form. The vertical support force of the pile 16 to the casing 8 is not at the top of the pile 16, but at the top of the casing 8. bottom of. A support flange 163 is welded at the waist of the pile 16. When the sleeve is inserted into the pile, the bottom surface of the sleeve 8 just sits on the surface of the support flange 163, forming the vertical support of the pile 16 to the sleeve 8. The upper surface of the large flange 163 and the bottom surface of the sleeve pipe 8 and the flange 85 at the bottom of the pipe are the sliding friction surfaces. In the inner cavity of the casing 8, two radial positioning bearings are set to realize the radial positioning support. The lower radial positioning support is a split bearing bush 11, and the upper radial positioning support is a circular sleeve 111. There is a supporting...

Embodiment 3

[0079] Such as Figure 17 As shown, on the basis of the tracking bracket in Embodiment 1, firstly, the connection mode between the inclined beam 4 and the horizontal beam 5 is changed to the connection mode of the hinge 24, and the inclined beam 4 can rotate around the axis of the hinge 24, and the high position The horizontal subbeam 6 and the high subbeam support rod 14 or the low subbeam support rod 15 under the horizontal subbeam 6 of the low position are changed to the high position adjustable support rod 141 and the low position adjustable support rod 151 of the telescopic adjustment length, and the high position The upper and lower ends of the adjustable support rod 141 and the low-position adjustable support rod 151 are connected by hinges, and a triangular support bracket 25 and a push rod support 29 are added to the casing 8, and finally a simple manual push rod 26 is set, and the Use the manual push rod 2 to adjust the inclination angle of the photovoltaic module bo...

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Abstract

A solar tracking apparatus for use in photovoltaic power generation. Using a pile column (16) and sleeve (8) combined structure, the present invention, by means of a winch (17), drives steel ropes (19) to pull multiple unpowered passive tracking brackets (1) to rotate and track solar azimuth angle variation; an inclination adjustment mechanism can also be arranged, allowing a photovoltaic assembly panel (2) to rotate about a horizontal axis and track solar altitude angle variation; a mirror surface reflecting plate (28) is arranged on the lower edge of the surface of the photovoltaic assembly panel (2) to enhance the light collection capability of the surface of the photovoltaic assembly panel (2); due to the bending properties of the steel rope (19), the planar arrangement and vertical arrangement of the tracking brackets (1) have great flexibility, and are particularly suitable for landforms of irregular planes and land conditions on uneven sites; stable operation of the transmission system is maintained by using a gravity tension balancing device (18) to absorb and compensate the various deformations of the steel rope (19); the present solar tracking apparatus for use in photovoltaic power generation has a high performance-to-price ratio and a strong adaptability to complex engineering conditions, and is suited to large scale design of the brackets.

Description

technical field [0001] The invention relates to the field of photovoltaic power generation equipment, in particular to a solar tracking device for photovoltaic power generation. Background technique [0002] Since 2009, my country has launched large-scale photovoltaic power generation market applications. It is expected that through years of continuous national policy support and promotion, photovoltaic power generation applications will be promoted through two paths of technological progress and large-scale development, and finally achieve grid parity, thereby replacing fossil energy. Purpose, among them, the solar tracking bracket is one of the fast-growing branch technical solutions, which has played a role in promoting the increase of power generation, but the existing tracking bracket has the following disadvantages: complex structure, high cost, high failure rate, difficult maintenance, Poor adaptability to the environment, difficult construction, larger foundation volum...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H02S20/32F24S60/00F24S25/70F24S50/20
CPCF24S30/40F24S50/20F24S2030/11H02S20/32Y02E10/47Y02E10/50
Inventor 丁慈鑫丁树东丁宁丁垟
Owner 丁慈鑫
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