Analysis On Wind Resistance Performance Of Solar Street Light System Structure

As a new type of road lighting,solar street lamps have been used in various public places such as islands,rural areas,industrial areas,parks,schools,ctc.Since wind is one of the main factors on damaging road lighting structure,it is especially important to analyze road lighting structure for wind resistance.Taking a now type of high-power streed lights as research objects,the wind resistance of the structures from three aspects is analyzcd in this thesis,the pseudo-static response,modal and wind-induccd response analysiss based on the research and development project of Shenzhen Electronics Technology Limited co.LTD.The main work are as follows:(1)The finite element model of the solar street light is established.In the light of the Load code for the design of building structures and code for design of high-rising structures,the pseudo-static wind loads applied at different wind direction angles of the structure and the pseudo-static wind response of the structure are analyzed.(2)By comparing and analyzing several methods of simulating pulsating wind loads,the AR model simulation of linear filtering method is selected.The values of several key parametcrs affecting the simulation of pulsating wind speed are analyzed and attained.A pulsatng wind speed program for MATLAB was written.The pulsating wind speed time history curve and the total wind load time history curve at the reference point are obtained,which is ready for the wind-indueed response analysis of the structure.(3)The first 5 modes of the solar street lamp structure are analyzed and analyzed,and the natural frequency and mode of each order are obtained.On this basis.the dynamic wind loadtime history curve is imported,the dynamic time and distance analysis of the solar street light is carried out.Andthe stress,displacement,velocity and acceleration response of the structure are obtained at the dynamic wind load(4)By comparing the quasi-static wind response and wind-induced response at different locations on the solar street light structure,it is found that the quasi-static wind response is generally larger than the wind-induced response.The results of this study provide a data basis for the design of solar street light wind resistance,and have certain reference value for product design and manufacture.