The long life of the LED itself requires good design, good materials, and good processes. Similarly, products made up of LEDs and other components also require good design, good components and materials, and good processes. In order to achieve true long life, low power consumption, and less maintenance. While beautifying the environment with LED Lights, don't forget the impact of bad products on environmental safety. If the working voltage is not enough, or the working voltage is too low, there will be no light or insufficient brightness. If the supplier has a problem, it may be leakage. You can use QT2 to test the IR curve to determine the brightness with wavelength. Lead-free production, LED is not required. With lead-free, the time and temperature that LEDs can withstand in the wave front furnace is limited. World-class LEDs can only withstand high temperature shocks of 3 seconds to 5 seconds. The wave front immersion tin temperature can't exceed 260 degrees.
In order to save costs, LED manufacturers generally provide a relatively large spectral range. There is a significant difference between the upper limit LED lamp and the lower limit LED lamp. For this situation, it is generally more difficult to control. Because LED lights are relatively fragile, WAVE is generally easy to break, but when replaced with lead-free, the temperature should be much higher. Therefore, we must pay attention to LED products, when the temperature increases, it will affect the LED to an unacceptable state. In both cases, it is mainly to find LED suppliers to solve.
1. Damaged by environmental factors installed on the roadside or bridge? Faction? The luminaire will be affected by different vibrations. The vibration source comes from passing vehicles, especially the heavy vehicles in the past. When a component or somewhere in the luminaire resonates with an external source of vibration, damage to components or circuits can occur. Due to the long-term effects of harsh environments (such as sun exposure, wind and rain, vibration, etc.) and human factors, the original enclosed structure of LED lamps will be damaged to varying degrees. Rainwater and dust leakage will cause internal circuits to suffer. damage. Such as rain and dust under the action of electricity on the corrosion of copper foil; the resulting moisture on the resistance and LED lead corrosion.
2. Damage caused by human action When the luminaire is placed in a place where people can reach it, it is often damaged by someone who intentionally or unintentionally presses, shakes, knocks, or collides with objects in transit.
3. Safety Problems in Product Use The various unfavorable factors analyzed above will cause a certain degree of damage to the use of LED products, which in turn will affect the surrounding environment. This creates a potential security issue for the public environment.
A. Fire concerns. When the damaged copper foil wire is passing a large current, when the connecting wire solder joint is loosely connected, local high heat will be generated, and in serious cases, the circuit board will be baked to carbonize. The carbonized circuit board will generate heat through a larger current. The final result of such a vicious cycle is that the carbonized circuit board is ignited and burned, which is the result of the internal circuit of the LED lamp igniting the tube wall.
B. Risk of electric shock or electric shock. Due to improper design, if one end of the mounting screw is placed on the copper foil of the electric circuit board and the other end is exposed outside the tube wall, when the LED lamp is installed in a place that people can reach, if someone touches the screw cap, Get an electric shock; rainy days are even more dangerous. If the LED lamp wall is not damaged in time, there is a danger of electric shock when someone touches the internal circuit. Because it is different from the previous lamps, only the screw of the bulb is charged, and its printed circuit board strips are equivalent to bare 220V wires on both sides. Most people have not established protection awareness or realized this danger. Therefore, when installing such a 220V LED lamp, it is still placed in a place that is difficult for people to touch.
In short, most of the dangerous LED lamps that loose or fall are lost for nightscape lighting, often installed on overpasses, overpasses, roofs or exterior walls of buildings along the street. These locations are where people often pass. Due to the large amount of use, the probability of a drop will be large. As time goes by, the material will gradually age and break. Under the action of external force, such as vibration, gale and hail of the bridge body will increase the aging damage and partial drop. Sufficient attention and prevention should be brought about, while regular inspection and maintenance of such luminaires should be strengthened.
In order to save costs, LED manufacturers generally provide a relatively large spectral range. There is a significant difference between the upper limit LED lamp and the lower limit LED lamp. For this situation, it is generally more difficult to control. Because LED lights are relatively fragile, WAVE is generally easy to break, but when replaced with lead-free, the temperature should be much higher. Therefore, we must pay attention to LED products, when the temperature increases, it will affect the LED to an unacceptable state. In both cases, it is mainly to find LED suppliers to solve.
1. Damaged by environmental factors installed on the roadside or bridge? Faction? The luminaire will be affected by different vibrations. The vibration source comes from passing vehicles, especially the heavy vehicles in the past. When a component or somewhere in the luminaire resonates with an external source of vibration, damage to components or circuits can occur. Due to the long-term effects of harsh environments (such as sun exposure, wind and rain, vibration, etc.) and human factors, the original enclosed structure of LED lamps will be damaged to varying degrees. Rainwater and dust leakage will cause internal circuits to suffer. damage. Such as rain and dust under the action of electricity on the corrosion of copper foil; the resulting moisture on the resistance and LED lead corrosion.
2. Damage caused by human action When the luminaire is placed in a place where people can reach it, it is often damaged by someone who intentionally or unintentionally presses, shakes, knocks, or collides with objects in transit.
3. Safety Problems in Product Use The various unfavorable factors analyzed above will cause a certain degree of damage to the use of LED products, which in turn will affect the surrounding environment. This creates a potential security issue for the public environment.
A. Fire concerns. When the damaged copper foil wire is passing a large current, when the connecting wire solder joint is loosely connected, local high heat will be generated, and in serious cases, the circuit board will be baked to carbonize. The carbonized circuit board will generate heat through a larger current. The final result of such a vicious cycle is that the carbonized circuit board is ignited and burned, which is the result of the internal circuit of the LED lamp igniting the tube wall.
B. Risk of electric shock or electric shock. Due to improper design, if one end of the mounting screw is placed on the copper foil of the electric circuit board and the other end is exposed outside the tube wall, when the LED lamp is installed in a place that people can reach, if someone touches the screw cap, Get an electric shock; rainy days are even more dangerous. If the LED lamp wall is not damaged in time, there is a danger of electric shock when someone touches the internal circuit. Because it is different from the previous lamps, only the screw of the bulb is charged, and its printed circuit board strips are equivalent to bare 220V wires on both sides. Most people have not established protection awareness or realized this danger. Therefore, when installing such a 220V LED lamp, it is still placed in a place that is difficult for people to touch.
In short, most of the dangerous LED lamps that loose or fall are lost for nightscape lighting, often installed on overpasses, overpasses, roofs or exterior walls of buildings along the street. These locations are where people often pass. Due to the large amount of use, the probability of a drop will be large. As time goes by, the material will gradually age and break. Under the action of external force, such as vibration, gale and hail of the bridge body will increase the aging damage and partial drop. Sufficient attention and prevention should be brought about, while regular inspection and maintenance of such luminaires should be strengthened.
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