车载式路面破损检测照明系统的设计与实现

发布时间：2018-03-13 00:04

本文选题：照明系统　切入点：LED　出处：《长安大学》2015年硕士论文　论文类型：学位论文

【摘要】：本文对国内外关于路面破损检测设备的照明系统进行了深入研究,发现路面破损检测照明系统存在照度不足、照度不均匀、阴影、光源散热困难、寿命短以及结构笨重、维修不方便等问题。因此,本文设计了车载式路面破损检测照明系统,该系统采用整体式小型化结构设计、集成式的液体循环冷却系统以及合理的LED光源组合与控制方案设计,弥补了目前国内外路面破损检测照明系统的不足。本论文主要的研究工作如下:1、本文分析了国内外道路路面破损检测照明系统的研究现状,根据其所面临的共同问题,设计了一种基于大功率LED的车载式路面破损检测照明系统。本文介绍了光学系统的相关基本知识和基本原理,还对LED光源的发光原理、光学特性以及选型进行了介绍,并根据实际需要,对LED光源进行了二次配光设计和LED灯组合方案设计,通过LED灯组的合理布置以及光照度的叠加来达到系统要求的光源照度和照度分布。2、根据LED光源的组合布置和系统的实际需要,对照明系统的灯架结构进行了三维结构设计,通过整体式灯架的调整和光源的合理布置解决路面检测照度不均匀、阴影等问题。同时为了提高光源的散热效率,延长光源的使用寿命,还专门设计了整体式液体循环冷却系统,该冷却系统体积小,重量轻,便于安装和维修。3、对照明系统控制方案和硬件电路进行了设计,硬件电路主要包括LED驱动电源的主电路设计和驱动电源顺序启闭模块电路设计,然后就是PCB板的制作与焊接,并给出了驱动电源的实物图,最后,搭建实验平台进行试验测试,主要包括灯架密封性测试、液体冷却系统调试、照明系统照度调节与测试。本文对路面破损检测照明系统的机械结构、控制方案以及硬件电路进行了设计,并且搭建了实验平台进行系统实验,验证了该照明系统的可靠性,系统满足设计要求,极大地提高路面破损检测图像质量和检测精度,具有较强的工程应用价值。
[Abstract]:In this paper, the lighting system of pavement damage detection equipment at home and abroad has been deeply studied. It is found that the illumination system of pavement damage detection system has insufficient illumination, uneven illumination, shadow, difficult heat dissipation of light source, short life and heavy structure. Therefore, this paper designs a vehicle-borne road damage detection and lighting system, which adopts the integrated miniaturized structure design, the integrated liquid cycle cooling system and the reasonable combination and control scheme of LED light source. The main research work of this paper is as follows: 1. This paper analyzes the current research situation of road surface damage detection lighting system at home and abroad, according to the common problems it faces, A vehicle-borne road damage detection and lighting system based on high-power LED is designed. The basic knowledge and principle of optical system are introduced, and the luminescence principle, optical characteristics and type selection of LED light source are also introduced. According to the actual needs, the secondary light distribution design of LED light source and the design of LED lamp combination scheme are carried out. According to the reasonable arrangement of LED lamp set and the superposition of illuminance, the illumination and illumination distribution of the system is achieved. According to the combination arrangement of LED light source and the actual needs of the system, the structure of the lamp frame of the lighting system is designed. In order to improve the heat dissipation efficiency of the light source and prolong the service life of the light source, the adjustment of the integral light holder and the reasonable arrangement of the light source are used to solve the problems of uneven illumination, shadow and so on. The integrated liquid cycle cooling system is also designed. The cooling system is small in volume, light in weight, easy to install and maintain. The control scheme and hardware circuit of the lighting system are designed. The hardware circuit mainly includes the main circuit design of the LED driving power supply and the circuit design of the sequential opening and closing module of the driving power supply, then the manufacture and welding of the PCB board, and the physical diagram of the driving power supply are given. Finally, the experiment platform is built to carry out the test and test. It mainly includes the testing of the seal of the lamp holder, the debugging of the liquid cooling system, the illumination adjustment and testing of the lighting system. The mechanical structure, the control scheme and the hardware circuit of the lighting system for road damage detection are designed in this paper. The reliability of the lighting system is verified, and the system meets the design requirements, which greatly improves the image quality and detection accuracy of pavement damage detection, and has a strong engineering application value.
【学位授予单位】：长安大学
【学位级别】：硕士
【学位授予年份】：2015
【分类号】：U418.6

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