On July 26, an elevator accident in Jingzhou Anliang Department Store in Hubei Province caused a 30-year-old mother to be “swallowed up†by the elevator. How can a good elevator suddenly collapse? Or did someone find a problem before, and did not take measures? The reason for this is worth pondering! Anyway, first of all, we have to think from the business. The following is a list of precautions for emergency situations when taking the elevator: 
There are a few points that we need to pay attention to regarding the security risks of LED displays:
1. Is the force of the steel structure and the selection of steel materials reasonable?
The steel structure plays a vital role in the use of the LED display, which is the point of force that supports the entire display. The steel structure is not strong and the design is unreasonable, which is easy to cause collapse.
2, power selection <br> Inferior power supply is easy to cause fire and fire. Use inferior power supply or maximize the power rating of the power supply, resulting in long-term overload operation of the power supply (usually only 75% of the rated power of the power supply), and then the power cord terminal is inferior and the contact is not strong, these may be Become a cause of fire hazards.
3, wire, whether flame retardant, inferior leakage, etc. <br> The quality of the wire on the market is uneven, many wire spools are copper clad aluminum, the appearance looks like copper wire, the actual is aluminum copper wire; this line is generally used For temporary use, it cannot be used on regular products at all. There are copper problems of copper wire, problems of insulation layer, and the problem of wire diameter (generally required to be equipped with 1.2 times or more of the maximum power of the display). If you neglect one of these problems, you will bury hidden dangers for later. In the event of a big disaster; in addition, inferior wires are prone to electric leakage and cause electric shock. In most display applications, the larger the display per unit area of ​​the display, the greater the amount of electricity used, and the higher the stability of the wire. Among the many wire products, the use of wire that meets the requirements of the national standard can ensure its safety and stability.
4, the design, manufacturing process is not refined
The LED display works at high temperatures, and the heat dissipation problem becomes the first problem to be solved. If the LED display area is too large, it will increase the difficulty of heat dissipation. If the heat dissipation design and manufacturing process are not refined, it will lead to safety hazards inside the screen due to temperature increase.
5, external reasons <br> The display supplier did not systematically train the purchase customer, resulting in irregular operation. On the other hand, regular maintenance or post-maintenance is not timely and inconspicuous, resulting in the inability to detect and handle anomalies in time.
In addition, there are choices in the kit, whether to use flame retardant materials in specific occasions; whether to use at high temperatures, whether the design of the heat dissipation system is reasonable, etc.
In order to prevent it from happening, the warm reminder: For consumers who use LED display, carefully select the quality manufacturer when considering the purchase. During the use period, the LED display should be checked regularly. The staff finds the problem in a timely and comprehensive treatment, and cuts off the power before processing. Strictly check and do security!
Nowadays, electronic products are spread all over the market. Is it convenient for consumers to consider all aspects of security risks?
Not only the elevator, but also the LED display is gradually fascinating, all over the major shopping malls. For LED display, how to consider safety during production and use? Paying attention to the safety of the display screen and eliminating the hidden dangers of the LED display screen has reached an urgent point. Today, I will share with you the knowledge of LED display security risks.There are a few points that we need to pay attention to regarding the security risks of LED displays:
1. Is the force of the steel structure and the selection of steel materials reasonable?
The steel structure plays a vital role in the use of the LED display, which is the point of force that supports the entire display. The steel structure is not strong and the design is unreasonable, which is easy to cause collapse.
2, power selection <br> Inferior power supply is easy to cause fire and fire. Use inferior power supply or maximize the power rating of the power supply, resulting in long-term overload operation of the power supply (usually only 75% of the rated power of the power supply), and then the power cord terminal is inferior and the contact is not strong, these may be Become a cause of fire hazards.
3, wire, whether flame retardant, inferior leakage, etc. <br> The quality of the wire on the market is uneven, many wire spools are copper clad aluminum, the appearance looks like copper wire, the actual is aluminum copper wire; this line is generally used For temporary use, it cannot be used on regular products at all. There are copper problems of copper wire, problems of insulation layer, and the problem of wire diameter (generally required to be equipped with 1.2 times or more of the maximum power of the display). If you neglect one of these problems, you will bury hidden dangers for later. In the event of a big disaster; in addition, inferior wires are prone to electric leakage and cause electric shock. In most display applications, the larger the display per unit area of ​​the display, the greater the amount of electricity used, and the higher the stability of the wire. Among the many wire products, the use of wire that meets the requirements of the national standard can ensure its safety and stability.
4, the design, manufacturing process is not refined
The LED display works at high temperatures, and the heat dissipation problem becomes the first problem to be solved. If the LED display area is too large, it will increase the difficulty of heat dissipation. If the heat dissipation design and manufacturing process are not refined, it will lead to safety hazards inside the screen due to temperature increase.
5, external reasons <br> The display supplier did not systematically train the purchase customer, resulting in irregular operation. On the other hand, regular maintenance or post-maintenance is not timely and inconspicuous, resulting in the inability to detect and handle anomalies in time.
In addition, there are choices in the kit, whether to use flame retardant materials in specific occasions; whether to use at high temperatures, whether the design of the heat dissipation system is reasonable, etc.
In order to prevent it from happening, the warm reminder: For consumers who use LED display, carefully select the quality manufacturer when considering the purchase. During the use period, the LED display should be checked regularly. The staff finds the problem in a timely and comprehensive treatment, and cuts off the power before processing. Strictly check and do security!
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