项目概况:
为了满足街巷行人安全以及能提升夜景景观与丰富空间层次，提高居民的夜晚生活品质。推动旅游资源的发展，提升历史街文化的有效传播。对汝南门进行了灯光亮化设计与施工。
设计分析：
以“面光”为主要照明设计表现手法，不过多表现建筑细节，应主要表现建筑顶部结构的大轮廓，摒弃“逢柱必打，逢线必勾”。透过屋顶瓦片和屋檐不同的灯光强度，产生光影对比，使其在夜间自然产生“立体感”,进而塑造古建筑整体的夜间氛围。
建筑城墙以细部泛光为主，中间的城楼以下的城墙可以设计些有创意的灯光秀，光绘古今，韵味绵长。
借用我国的古建筑照明设计最为核心的设计手法，就是“尊重经典、表现经典”。好看的夜景并不一定需要很多灯。不应盲目追求全部照亮“越亮越好”适当留黑做白提升夜景照明的艺术化，加强对比，强调“明暗结合”,营造最佳的夜景照明光环境。根据古建筑物的建筑风格、结构特征、装饰图案以及古建筑所处的周边环境等，在突出重点的同时也要兼顾古建筑整体效果的多元空间立体照明设计方法，以充分展示古建筑的艺术风采。
设计原则：
1、符合美学规律
建筑物的美学法是根据灯光照射的点、线、面，明与暗，动与静相结合的规律组合来表达建筑物的的几何美、层次感和立体感。
2、减少眩光干扰，体现人性关怀
由于灯具的安装位置、高度以及投射方向都可能形成眩光，影响了人们正常的夜间休息，同时也增加了社会安全隐患。因此，要对灯具的灯位、投射角度、投射方向三个方面进行调试。
3、节能环保设计原则
进行建筑里面照明设计时必须要考虑节能问题，尽可能使用长寿命、高光效的优质节能光源、灯具及设备，如LED、光纤及太阳能光电照明等。对于重点历史保护建筑的照明设计，不管出于怎样的照明目的，首先要从保护建筑的角度出发，尽量减少固定在建筑本身的灯具。
本项目全部选用LED产品，提高灯具的使用效率。通过智能控制系统，特别制定智能控制方案，实现时间段、节日与平日的可调节性。产品更换维护的可调节性：选择可调节性灯具，定制灯具维护计划，降低后期维护成本，提高光源利用率。
In order to meet the safety of street pedestrians and enhance the night landscape and enrich the spatial level, improve the quality of life of residents at night. Promote the development of tourism resources and promote the effective dissemination of historical street culture. The lighting design and construction of Runan Gate were carried out.
Design analysis:
With "face light" as the main lighting design expression method, but more architectural details, should mainly show the large outline of the top structure of the building, abandon the "every column must be played, every line must hook". Through the different lighting intensity of the roof tiles and eaves, the contrast of light and shadow is generated, making it naturally produce a "three-dimensional sense" at night, and then shaping the overall night atmosphere of the ancient building.
The wall of the building is mainly flooded with details, and the wall below the middle tower can be designed with some creative light shows, and the light painting is ancient and modern, and the charm is long.
The most core design technique of ancient architectural lighting design in China is to "respect the classic and show the classic". You don't need a lot of lights for a good night view. We should not blindly pursue all lighting "the brighter the better", leave black and white to enhance the art of night lighting, strengthen contrast, emphasize the "combination of light and dark", and create the best night lighting environment. According to the architectural style, structural characteristics, decorative patterns and the surrounding environment of the ancient buildings, it is necessary to take into account the multi-dimensional spatial lighting design method of the overall effect of the ancient buildings while highlighting the key points, in order to fully demonstrate the artistic style of the ancient buildings.
Design principles:
1, in line with aesthetic laws
The aesthetic method of building is to express the geometric beauty, layer and three-dimensional sense of building according to the law combination of the point, line and surface illuminated by the light, light and dark, dynamic and static.
2, reduce glare interference, reflect human care
Due to the installation position, height and projection direction of the lamp may form glare, which affects people's normal night rest, but also increases social security risks. Therefore, it is necessary to debug the lamp position, projection Angle and projection direction.
3, energy-saving and environmental protection design principles
When designing the lighting inside the building, it is necessary to consider the issue of energy conservation, and use high-quality energy-saving light sources, lamps and equipment with long life and high light efficiency as much as possible, such as LED, optical fiber and solar photoelectric lighting. For the lighting design of key historic protection buildings, no matter what kind of lighting purpose, it is necessary to minimize the lamps fixed in the building itself from the perspective of protecting the building.
All LED products are selected in this project to improve the efficiency of lamps. Through the intelligent control system, the intelligent control scheme is specially formulated to achieve the adjustable time period, festivals and weekdays. Adjustable product replacement maintenance: Select adjustable lamps, customize lamps maintenance plan, reduce maintenance costs in the later period, improve the utilization of light sources.
The use of energy-saving and environmentally friendly lamps and light sources for reasonable lighting layout, with the best lighting design concept and the best quality lighting design to achieve the best quality lighting services, according to the material of the structure to be exposed, choose the appropriate light source color temperature and light color, the use of efficient, energy-saving, long-life light sources and lamps, and the use of energy-saving lighting control mode. Achieve the goal of saving energy and green lighting.