1. The LED display is installed outdoors, often exposed to the sun and rain, the wind blows the dust cover, and the working environment is bad. If the electronic equipment is wet or seriously damp, it may cause a short circuit or even a fire, causing malfunction or even fire, resulting in loss;
2. The led display may be attacked by strong electric power caused by lightning;
3. The ambient temperature varies greatly. When the LED electronic display is working, it must generate a certain amount of heat. If the ambient temperature is too high and the heat dissipation is poor, the integrated circuit may not work properly or even be burned, so that the LED display system cannot work normally;
4. led outdoor display, wide audience, long distance of sight, wide field of vision; large changes in ambient light, especially in direct sunlight. In response to the above special requirements, the outdoor display must:
5. The joint between the screen body and the screen body and the building must be strictly waterproof and leakproof; the screen body should have good drainage measures, and the water can be discharged smoothly once the water accumulation occurs;
6. Install lightning protection devices on led outdoor displays and buildings. The main body and the outer casing of the led display are well grounded, and the grounding resistance is less than 3 ohms, so that the large current caused by lightning is discharged in time;
7. The led electronic display is installed with ventilation equipment to cool down, so that the internal temperature of the screen is between -10 °C and 40 °C. An axial fan is installed on the back of the screen body to discharge heat;
8. The led display selects an industrial-grade integrated circuit chip with a working temperature between -40 ° C and 80 ° C to prevent the display from starting due to the low temperature in winter. ;
9. In order to ensure long-distance visibility under strong ambient light conditions, ultra-high brightness LEDs must be used;
10. The display medium adopts a new wide viewing angle tube with wide viewing angle, pure color, consistent coordination, and a service life of more than 100,000 hours. The outer packaging of the display medium is currently the most popular with a rectangular cylinder with a cover, a silicone seal, and no metallization; its appearance is exquisite and beautiful, durable and durable, with direct sunlight, dustproof, waterproof, high temperature resistance, and short circuit protection. "Five defenses" features.
Aluminum core Solar Cable is a photovoltaic circuit using aluminum as a conductive material. It is widely used in solar power generation systems to transport the electricity generated by solar panels.
Compared with traditional copper solar cable, aluminum solar cable has some obvious advantages, the most important of which is low cost.
1. Low price: Aluminum is a common metal, and its price is cheaper than that of copper. Therefore, the use of aluminum solar cable can reduce the cost of the system and make the entire photovoltaic power generation project more economical.
2. Lightweight: Aluminum has a lower density and is lighter than copper. The aluminum core optical cable can reduce the weight of the cable and facilitate installation and maintenance.
3. Strong corrosion resistance: Aluminum has good corrosion resistance and can maintain a long service life under harsh environmental conditions. This makes the aluminum solar cable more reliable for outdoor use.
4. Excellent conductivity: although the conductivity of copper is higher than that of aluminum, the aluminum solar cable can make up for the shortcomings of the low conductivity of aluminum to a certain extent by optimizing the design and process and ensure the efficiency and stability of power transmission.
It should be noted that there are also some limitations and precautions for aluminum solar cable. Due to the low conductivity of aluminum, the resistance of the aluminum solar cable will be relatively high, so it is necessary to choose the wire diameter and length reasonably when designing and installing to ensure the efficiency of power transmission. In addition, aluminum is prone to electrochemical reactions when it comes into contact with copper, so corresponding measures need to be taken when connecting aluminum solar cable and other components, such as using special connectors or coating protective layers.
In general, aluminum solar cable with its low cost, corrosion resistance, light and other advantages, has been widely used in solar power generation systems, and brings economic and reliability benefits to photovoltaic power generation projects.
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Suzhou Yonghao Cable Co.,Ltd. , https://www.yonghaocable.com