Intelligent lighting refers to the use of computer, wireless communication data transmission, spread spectrum power carrier communication technology, computer intelligent information processing and energy-saving electrical control technology to form a distributed wireless telemetry, remote control, remote control system to achieve lighting equipment Intelligent control. Features such as intensity adjustment of light intensity, soft start of lighting, timing control, scene setting, etc. Intelligent lighting refers to the use of computer, wireless communication data transmission, spread spectrum power carrier communication technology, computer intelligent information processing and energy-saving electrical control, etc. A distributed wireless telemetry, remote control, and remote control system consisting of technology to achieve intelligent control of lighting equipment. It has the functions of intensity adjustment, light soft start, timing control, scene setting, etc.; and achieves safety, energy saving, comfort and high efficiency. In recent years, with the rapid development of the national economy, especially the rapid development of the real estate industry, the domestic intelligent lighting industry has developed rapidly, and various types of intelligent lighting products have appeared. Of course, intelligent lighting systems have considerable energy savings. Intelligent lighting control systems use advanced power electronics to intelligently dim most fixtures. When the outdoor light is strong, the indoor illumination is automatically dimmed; when the outdoor light is weak, the indoor illumination is automatically brightened, so that the indoor illumination is always kept at a constant value, so that natural light can be fully utilized to achieve energy saving. In addition, the intelligent lighting management system can save energy through intelligent management due to the way of setting the lighting working state. According to the data of China Intelligent Lighting Industry Development Prospects and Investment Strategic Planning Analysis Report, the global intelligent lighting equipment and control market is expected to increase from US$22.11 billion in 2014 to US$59,188.1 million in 2020, a compound annual growth rate. According to relevant analysis, by 2020, the overall market for intelligent lighting is expected to reach 8.14 billion US dollars, and the annual compound annual growth rate from 2015 to 2020 is 22.07%. Although the proportion of investment in the intelligent lighting system in the initial stage of investment has increased significantly, the intelligent lighting method is much better than the traditional manual control lighting. Under the premise of providing high-quality, efficient and comfortable lighting environment and improving the working conditions of operators and maintenance personnel, the lighting energy consumption can be greatly reduced, especially in the case of a significant increase in labor costs in the future, the use of intelligent lighting systems can effectively reduce maintenance. Work intensity, and even the maintenance staff's configuration can be appropriately reduced to save labor costs. Intelligent lighting is already a blue ocean that has been closely watched by many forces and many players. It can be foreseen that the intelligent lighting scheme brings a new operating model, which will involve a huge industrial chain, chips, sensors, LED lighting, communication modules, cloud platforms. There will be huge market opportunities. Compared with traditional lighting, intelligent lighting can achieve safety, energy saving, comfort and high efficiency. Therefore, intelligent lighting has good development prospects in the home field, office field, business field and public facilities. At present, China's smart lighting market is not mature. The application fields of intelligent lighting are mainly concentrated in the business field and public facilities. The adoption of smart lighting in hotels, exhibition halls, municipal engineering, and road traffic is more used. In addition, office Intelligent lighting is also used in the construction and high-end villa projects. With the development of domestic intelligent lighting R&D and production technology and the promotion of product promotion, intelligent lighting applications in the home field are expected to become popular.
Classified from the finished structure of the valve, it is usually divided into a whole valve, a double metal butt welding valve and a hollow sodium filling valve.The additional process is usually top soldering, top surfacing, cone surfacing, surface nitriding, surface chrome plating, and the like.The valve is an important part of the engine. The function of the valve is to specifically input air into the engine and exhaust the burned exhaust gas.
From the structure of the engine, it is divided into an intake valve and an Exhaust Valve. The function of the intake valve is to draw air into the engine and mix and burn with the fuel; the function of the exhaust valve is to discharge and dissipate the burned exhaust gas.
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