The accident caused by the collapse of the building is not uncommon in various news media reports. On the recent November 24th, the construction platform of the cooling tower of the power plant under construction in Fengcheng, Jiangxi Province collapsed, causing 74 deaths and 2 injuries, due to the construction party. During the construction period, according to the past construction experience, the unfixed concrete structure auxiliary bracket will be dismantled without considering the external weather environment, thus causing the collapse accident. The seriousness of the accident and the lessons of blood should also cause enough attention in the entire LED display industry. In the display field, the LED display screen for outdoor large-screen display in the name of “Big Macâ€, due to its application and installation characteristics, should be treated in the same way as general construction engineering, especially LED rental screen, which often moves and repeatedly disassembles. And the characteristics of the installation make it seem to have a "living" for "collapse", and the post-trend has a "continuous" state. Even this year's "collapse" accident "played" was a bit overdone, and a series of LED display collapse accidents were enough to illustrate some of the shortcomings in the industry, especially in the LED rental screen segmentation. According to relevant media reports, on the afternoon of May 6, 2016, in the "2016 "China Good Voice" National City Sea Selection Chongqing · Shizhu Competition" sea selection process, the center of the stage nearly 20m2 LED screen suddenly fell, Suizhong is singing Female players, informed sources revealed that the scene was not very windy, eliminating the natural factors of the accident. On the evening of November 12th, when the guest of the Banquet Hall of Sheraton Wuxi Lakeside Hotel in Jiangsu was nearing the end of the wedding, the LED display and steel structure on the stage collapsed, causing 7 people to be injured and 3 of them broken. The collapse of engineering buildings is not a rare thing in the field of engineering. People often say that "there is an unpredictable weather." Due to the change of the natural environment, it is not unreasonable to cause collapses of buildings under construction. However, the manufacturing activities are dominated by people. In the LED display industry, what kind of construction materials are selected by the engineering side, what kind of construction period to choose, what kind of construction plan to choose, and what kind of supervision and review procedures to implement, It is completely determined by the construction personnel of the LED display project. At the time of the earthquake in Fukushima, Japan, the houses in the disaster-stricken areas could still stand up. A good example of "squatting" is the embodiment of the unyielding spirit of human beings against the outside world. The reason is self-evident and worthwhile. We study in the industry. However, at present, LED display screens, especially those that need to be frequently moved to dismantle the main "guerrilla" rental screens, some engineering companies seem to lack some important things to ensure the quality of the project, that is, the minimum value of the LED display engineering should be Responsibility. Looking at the series of rental screen collapse accidents in 2016, it seems that there are natural factors. However, in contrast, this factor seems to be a little far-fetched, and it seems to be a "man-made disaster." The reason for the accident: First of all, in the field of leasing, because the LED rental screen itself needs to be frequently moved, disassembled and installed, some manufacturers are driven by the interests, and in the past, the performance of the product is excessively displayed, such as the ease of installation and disassembly, to meet the needs of the user. However, due to the limitations of their own production conditions, they have lost their ability to ignore the product, and the quality of the product itself has not been met, leaving a safety hazard for the project. Secondly, in the field of LED rental screen segmentation, the industry still lacks corresponding engineering standards, resulting in uneven quality of rental screen project installation. The relevant standards for outdoor fixed LED displays in the industry are relatively mature, and outdoor rental screens have always lacked corresponding unified standards due to their own installation characteristics. Often some enterprises are saving troubles and applying fixed standards, regardless of the characteristics of rental screen projects. It is possible to customize the corresponding special scheme according to the LED display that meets the corresponding environment, resulting in frequent accidents. In addition, the construction side's sloppy LED display project directly buried the safety hazard for the LED display project. Some of the contractors are driven by interests, often because they are not responsible for their own personal interests, cut corners, and rely on past engineering experience, so that the safety supervision of the project can not be implemented, the engineering regulations are in vain, and the installation environment is slightly "moving." ', it directly triggers hidden dangers and causes accidents. It is not difficult to imagine that in the use characteristics of the outdoor LED display itself, the customization requirements should be taken seriously. It requires the manufacturer or the construction party to make appropriate engineering plans according to the characteristics of the LED display itself, and to re-understand such a project. "Customization" requirements are undoubtedly very important in the outdoor installation of LED displays. The occurrence of the collapse of the rental screen in succession shows the chaos in the rental market. The countermeasures should be based on the actual strength of the manufacturer to develop the product's installation and use characteristics according to its own quality; on the other hand, the industry The development of standards for outdoor non-fixed LED displays is also urgent. After all, such a large display, cool and radiant under the enthusiasm of the audience under the audience, suddenly collapsed, the LED display "face" and the construction side, the user is a big loss. 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September 23, 2021