Research Group: Liu Jun, Wang Jingchi, Chen Guoyi, Zhou Zhengping, Guo Liang, Chen Jiangyu, Li Jinlin, Chen Yonggang In the spring of March, the spring blossoms, the Chinese lighting society stage film and television lighting professional committee of 8 people came to the beautiful West Lake, has been in Hangzhou Yida Shi Lighting Equipment Co., Ltd. (Yida time), Zhejiang Dafeng Stage Design Institute ( Dafeng) and Jiangsu Leading Flame Intelligent Technology Co., Ltd. Shanghai R&D Department (Leading Flame) conducted an investigation and investigation. The time for the survey is short, but everyone's gains are really great. Entering Yida Hangzhou in March, spring is full, we walked into Hangzhou Yida. President Wu Jianbo spoke enthusiastically to the experts about the overview of Hangzhou Yida and the products they operated. The predecessor of Yidashi Company was Hangzhou Yike High Technology Co., Ltd., which was established in 1990. In 2004, it was changed to Hangzhou Yidashi Lighting Equipment Co., Ltd. Companies adhering to the "focus, persistence, rigor, innovation" work style, is committed to the development of cultural and technological industries, adhere to professional brand services, to provide customers with first-class integration and after-sales service. Since its establishment more than 20 years ago, due to its high-quality products and outstanding after-sales service, it has contracted hundreds of representative lighting projects in famous theaters and studios in China, such as the National Grand Theatre, Hangzhou Grand Theatre and CCTV. Hangzhou Yida Time Company mainly acts as the lighting equipment of American ETC Company. ETC's 750WSource Four imaging lamp is popular in the world stage industry with its high light efficiency, high quality spot and imaging and cutting effects. It is now almost visible in the world's major theaters. In recent years, ETC's LED Source Four series of lamps have been at the forefront of professional luminaires. The x7 Color System (seven-color LED system) accurately integrates different color LED light sources into a single LED luminaire, with less The electrical energy meets the requirements of traditional lamps. The luminaire combines LED light sources of different wavelengths, and emits a spectrum similar to the spectrum of tungsten lamps. It can also produce saturated amber, even purple, cyan, magenta and other bright colors that are impossible for RGB tri-color LED lamps. Presented. As we all know, ETC's Source Four LED is a hard spot concentrating luminaire that can be used for multiple lights by replacing lenses at different angles. In the investigation, it was found that the Source Four LED has a new member - Fresnel (thread) spotlight and skylight, using the same light source part (the basic part of the luminaire), with different head parts, resulting in three different A luminaire with a characteristic spot. The field operation experience observation feels good. In the Yida time showroom, Robert Juliat's row of skylights, bright light, even bright colors, attracted everyone's attention. The lamp is called "DALIS" and has a power of 300W. It uses eight color LED light sources (including six color LEDs and high and low color temperature white light) to ensure the requirements of various color lights with extremely wide color gamut. White light makes the commonly used less saturated color light brighter, and each light source has a specially designed independent asymmetric light distribution system. The luminaire is equipped with an advanced fanless cooling system that is ideal for noise sensitive applications. The luminaire won the 2015 PLASA Exhibition Innovation Award. An 8-inch LED shrinkable threaded lamp from ZY Light attracts everyone's attention. Good spot, 95 color rendering index, smooth dimming, telescopic change of the lamp during the focusing process, battery board power supply, etc., very convenient for TV interviews and mobile use. Approaching Dafeng Design Institute On the 36th floor of the high-rise Daxia, we came to the Dafeng Stage Design Institute. Through their introduction, we know the Dafeng enterprises that have not been known before. Zhejiang Dafeng Industrial Co., Ltd., founded in 1991, is a national key high-tech enterprise and national cultural industry demonstration base with assets of nearly 710 million yuan, registered capital of 350 million yuan, and annual project delivery capacity of over 3 billion yuan. The business covers the design, manufacture, installation and after-sales service of projects such as stage, lighting, sound, intelligence, seats and decoration. The company has “Dafeng (Hangzhou) Stage Design Instituteâ€, “Dafeng (Beijing) Lighting and Audio Design Instituteâ€, “Dafeng (Beijing) Cultural and Sports Facilities Design Institute†and more than 500 professional engineers, with more than 400 practical invention patents. . In the field of lighting, there are also many international first-line brands such as PHILIPS, Strand, and Vari Lite. Dafeng's key business and value-added services in the complete industrial chain of cultural facilities are also the focus of everyone's attention. The company has professional creative strength and experienced creative experience. It cooperates with the world's top creative and directing teams to participate in the planning and creation, and provides effective technical support and presentation for the performance. The company has a professional design institute for cultural and sports facilities, and has long-term cooperation with many well-known design masters at home and abroad to provide complete professional deepening technical design. The company has a large-scale cultural and creative environment and equipment manufacturing industrial park, equipped with high-precision production and manufacturing equipment, with large-scale product trial installation venues and conditions, can achieve factory test installation, to ensure the accuracy of the equipment after the arrival. Dafeng's well-known projects at home and abroad, such as the CCTV studio, "China has a Mao Zedong" large outdoor real-life dramas, etc. have a high technical content. These technologies include the stage technology of the CCTV Spring Festival dance, the realization technology of the wide hall and the various viewing performances of the stage, the lifting light bridge and the rotatable open otound chamber technology, and the dual mode hanging for the lighting scene conversion. Equipment and control technology, 6 degree of freedom LED screen robot arm and control technology, large LED screen moving (opening and closing) technology, lifting and turning LED screen multi-variable structure technology, underwater stage equipment safety protection technology, crawler walking lighting frame technology, wireless Intelligent universal car platform and control technology, as well as the core project results of the “Twelfth Five-Year†National Science and Technology Support Project – the stage effect master control console technology and so on. The research team has a strong interest in some engineering cases and equipment technology, carefully inquired about the details, and put forward pertinent suggestions: the measured range of the influence of the sound reinforcement reverberation time when lifting the light bridge and the rotatable otoscope room, mechanical structure and acoustics Decorative collaborative relationship; the difficulty of pushing, pulling, and erecting large non-regular equipment in landscape and landscape dramas, the safety of outdoor high-altitude hanging and driving, the hidden way of different dance scenes; the safety of underwater equipment (waterproof and anti-corrosion) The technology of guarantee; the application prospect of the integrated control of the stage effect master console. The company's technology research and development in the field of professional lighting also has considerable strength, not only the strength of theater lighting design, but also has strong design and construction capabilities for TV studios, studios, performing arts shows, stadiums, museums, libraries, etc. . Such as the National Grand Theatre (Synthetic Theater), Fujian Radio and Television Center Studio, Tianjin TV Grand Theatre and other projects is a good evidence. During the inspection, the experts also saw the products of Dafeng partner Philips film and television performing arts lighting. Showline film and television lighting was on-site. PHILIPS lamps have certain technical advantages in HSIC control, color rendering index, color mixing algorithm, color saturation, dimming curve, and uniformity of light. Visiting Leading Flame Technology Interested in domestic lighting control technology, everyone came to Jiangsu Leading Flame Intelligent Technology Co., Ltd. Shanghai R & D Department. General Manager Gu Haifeng gave us a detailed introduction to the company's development history, product application and technical highlights. Jiangsu Lingyan Intelligent Technology Co., Ltd. sailed in 2009 and is a national high-tech enterprise specializing in the integration of R&D, production and sales of lighting control systems. Over the years, Leading Flames has been adhering to the belief of building a national high-end lighting control brand, and has gone through a period of development that is counter-trending and accumulating. With excellent software and hardware R&D team and years of hard work, Leading Flame took the lead in launching a networked intelligent stage lighting control system with independent intellectual property rights in 2011, filling the domestic gap. At present, the company's products include stage lighting consoles, portable lighting consoles, lighting processors, signal expanders, signal amplifiers, wireless transceiver systems. It has been widely used in important performance venues and programs including Milan Expo, Asian Games, CCTV Spring Festival Gala, Shanghai Tower, etc. The products of Leading Flame have served 186 professional groups and more than 400 performance companies in drama and drama. Various market sectors such as TV programs, commercial performances, and entertainment venues have been unanimously recognized. It is understood that the leading flame lighting console currently has Y series and H series. The Y series is a low-end product, mainly for the performance market; the H series is a high-end product, mainly used for professional groups and TV stations. The collar flame console is cost-effective, and the price is only one-third of the equivalent imported foreign products, and has a unique expansion design, such as the infrared stage surveillance camera, through the lighting console screen to see the scene in the dark field of the stage, It is convenient for the lighting engineer to keep abreast of the stage lighting hanging situation. It is worth mentioning that: 2016 CCTV Spring Festival Gala is the first time in history to use the domestic computer light console. As the domestic manufacturer of excellent lighting control systems, Leading Flame Technology provided all the lighting control systems for the Spring Festival Evening 1 studio, including 4 YEL-H6 consoles and 8 network processors. This year's Spring Festival Evening adopts a hot backup mechanism. The entire control system adopts a combination of Gigabit Ethernet and optical fiber. Four large computer light consoles are placed in the control room on the second floor of the No. 1 studio for centralized control, divided into two groups, each group. Both adopt one master and one standby mode, and four consoles access the same Gigabit Ethernet switch to implement a hot backup mechanism. The system uses the output of the network processor to connect to the luminaire. Each processor has 8 output lines, a total of 8 network processors are used, and a master-slave mode is also adopted, which is respectively placed around the lamps, and a total of 40 universe channels are used. area. The fiber optic connection between the processors controls 160 Spot lamps, 100 Wash lamps, 240 LED PAR lamps, 100 LED moving head lamps, 100 330 beam lamps, 130 three-in-one beam pattern dyeing lamps, and LED strips. There are 40 shaped lights, which are divided into 4 areas: top light, surface light, upper field door and lower field door. The signal transmission control is carried out by network processors of 4 areas respectively. Through in-depth understanding, we know that all control devices of the leading flames contain network interfaces, and users can build the required control network according to the actual situation and the scale of the performance. YEL Network Protocol (YELNET) is designed based on real-time stream. It can ensure synchronous data and light control data to be transmitted and transmitted in the network with very low delay. Its original advanced algorithm design also ensures data continuity and integrity. Sex and reliability. By using the flame control system of the flame, the user can easily control up to 65,535 light control channels according to the scale of the actual performance. The leading flame control system also has technical highlights such as session management, DMX512 data compression, and synchronous backup. Session management technology is a unique network communication protocol for the flame light station equipment. It is designed to perform abstract management similar to conference forms for devices in the network of lighting control systems. The lighting control equipment using session management technology can be easily integrated into the lighting control system network, and also realizes effective management of network bandwidth resources. DMX512 data compression technology: According to the characteristics of DMX512 data transmission, the flame flame console designed a unique compression coding technology, which uses the principle of difference (Delta), that is, only records the data of the changed DMX512 channel. The sender and the receiver each use a buffer area to store the current DMX512 data. When the sender has new DMX512 data generation, the difference between the new data and the data in the buffer area is packaged into an Ethernet packet and sent to the receiving end, and Update the cache area. When receiving the data packet, the receiving end restores the new data and the data in the buffer area into a complete DMX512 data packet. Synchronous backup technology: The flameback light console synchronization backup technology is a data synchronization technology based on Ethernet network. The two pilot flame lighting consoles using this technology are connected through the Ethernet network, when the operator is in the main console. When lighting control, the synchronization data will be sent to the backup console through the network communication module, so that the backup console can make the same operation as the main console through the received synchronization data, such as when the controller pushes the console. When the fader is pressed, the same fader of the backup console will also move together, thereby implementing the synchronous backup function. In the exchange, the technicians used the lighting control system of the lighting project of Shanghai Center Building as an example to introduce how they solved the technical difficulties of data loss and delay in lighting control, ensuring the simultaneous lighting during the lighting performance, highlighting the flame. The ability of technology software development and quality customer service. During the conversation, Gu also responded to various rumors about the flame. In 2011, the company applied for a number of national invention patents for control equipment and control methods, and has independent intellectual property rights. Through years of research and development and innovation, Leading Flame has obtained various national patent certificates and software copyrights including invention patents. At the same time, it also received various honors from industry associations. The newly acquired "Software Enterprise Certificate" is the embodiment of R&D strength. From the user's point of view, the members of the research team fully recognized the customer service advantages of the leading flames, and believed that the leading company in the equipment maintenance, tracking service responsiveness, timeliness and other aspects have done very well, the all-Chinese culture interface makes the lighting division The operation is more intuitive and convenient, which is also an important reason for the superiority of imported products. Everyone unanimously expressed their support for the development of domestic brands and national industries, and put forward many good suggestions from the user's point of view. He hoped that the leading flames could play their own advantages, expand the product variety, adapt to the requirements of different lighting control fields, and make detailed details. Design and make innovative, differentiated, and personalized products. General Manager Gu Haifeng also said: Leading flames must strive to achieve "science and technology for art service" and build the world's leading lighting control system. The research activities were actively participated and supported by the user committee members and corporate members. Thanks to the survey! The survey not only enhanced the communication between experts and enterprises, but also provided opportunities for exchanges between experts. Experts say that this method is a hundred times more powerful than in a noisy, noisy exhibition environment. This approach is a real technical exchange.
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