Method for optimally arranging three-span cant beam in photovoltaic support
A photovoltaic support and inclined beam technology, which is applied to the support structure of photovoltaic modules, photovoltaic power generation, photovoltaic modules, etc., can solve problems such as waste, and achieve the effect of reducing steel consumption, cost, and section size.
Pending Publication Date: 2021-12-28
CHINA POWER INVESTMENT POWER ENG CO LTD
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Problems solved by technology
[0004] However, currently in the design, the three-span slanted beam support (that is, the vertical pole and the support, such as the attached figure 1 shown) and the length of the cantilever are relatively arbitrary, and the internal bending moment of the inclined beam is too large, resulting in waste. The moment reaches the minimum and the cross-section is optimal
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[0030] In order to facilitate the understanding of the present invention, the present invention will be described more fully below with reference to the associated drawings. Preferred embodiments of the invention are shown in the accompanying drawings. However, the present invention can be embodied in many different forms and is not limited to the embodiments described herein. On the contrary, these embodiments are provided to make the understanding of the disclosure of the present invention more thorough and comprehensive.
[0031] It should be noted that when an element is referred to as being “fixed” to another element, it can be directly on the other element or there can also be an intervening element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and similar expressions are used herein for purposes ...
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Abstract
The invention discloses a method for optimally arranging a three-span cant beam in a photovoltaic support. The photovoltaic support comprises the three-span cant beam, and the three-span cant beam photovoltaic support comprises a single stand column, a front support, a rear support, a front stand column, a rear stand column, a purline and the three-span cant beam. The three-span cant beam optimal arrangement method comprises the steps that S1, according to a photovoltaic panel arrangement mode, a purline arrangement mode and the cantilever length t of a photovoltaic panel are determined, and the photovoltaic panel arrangement mode comprises vertical arrangement of panels and horizontal arrangement of panels; S2, the length Lb of the cant beam is determined; S3, half l4 of the distance between the front stand column and the rear stand column is determined, and meanwhile, the size of the distance l3 is calculated according to the formula l3 = t-l4; S4, the graph is looked up according to L, t and l4 to obtain a length l1 and a spacing l2; and S5, the cant beam is arranged according to l1, l2, l3 and l4. The cross section size of the cant beam is reduced, the steel consumption is reduced, and the cost is reduced.
Description
technical field [0001] The invention relates to the technical field of photovoltaic power generation, in particular to a method for optimizing the arrangement of three-span oblique beams in a photovoltaic support. Background technique [0002] Photovoltaic support is the supporting structure of photovoltaic power generation components, generally divided into fixed support and tracking support. The photovoltaic modules on the fixed support do not change with the height of the sun every day; while the angle of the photovoltaic modules on the tracking support is adjusted with the height of the sun every day to obtain more solar energy. The tracking bracket can obtain higher power generation, but the construction cost and maintenance cost are higher; while the fixed bracket has a relatively low utilization rate of light energy, but the bracket structure is simple, the cost is low, and the installation and maintenance are more convenient. It is currently widely used in my count...
Claims
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IPC IPC(8): H02S20/00
CPCH02S20/00Y02E10/50
Inventor 文锋张翼肖耀明何倩倩黄勇吴腾飞吴涛高亦克
Owner CHINA POWER INVESTMENT POWER ENG CO LTD