[Text|High-tech LED reporter fire] The actual service life of LED lighting products is far lower than the theoretical value, the root cause is the failure of the driving power supply. Eliminating complexity, power supply assembly process, error-prone, and complicated process means more manpower and material resources and higher product cost, resulting in a decrease in reliability and stability.
"LED driver power technology is difficult and difficult to develop. The product needs long-term experience to accumulate the results of life test. In the manufacturing process, it is necessary to ensure dustproof, anti-static, poor solder joints, poor incoming materials, quality inspection, etc. The link is checked.†Li Jianshan, the technical director of Zhongheng Paiwei, pointed out at the 2014 High-tech LED Annual Conference--The “New LED chapter for the next three years†conference.
Li Jianshan believes that the outdoor application scene is complex, and the drive power market has a large capacity. It is difficult to recall the problem when there is a problem. Therefore, the quality requirements of the drive power supply are more demanding, and the quality is the key to making the power supply.
Under the dual pressure of cost and quality, a new driving method "de-energization technology" came into being. The so-called de-energization does not mean that no power is needed, but is improved by other special techniques.
For example, removing some components such as electrolytic capacitors and transformers, the circuit design and the device are simplified to achieve the purpose of reducing the volume, reducing the cost, improving the reliability, and prolonging the life. However, since the emergence of the technical route word, it has been the focus of debate in the industry.
It is understood that the current industry from the technical level to achieve power, there are two main forms of expression: one is AC-LED (AC LEDs), and the second is HV-LEDs (high-voltage LEDs).
Chen Heng, general manager of the company, told reporters that "the photoelectric engine architecture of our AC-LED driver IC not only surpasses the AC/DC solution in terms of performance, but also has an absolute advantage in terms of cost." Take the lamp as an example. The cost of using the AC-LED can reduce the cost of the whole lamp by about 30%.
With the advantages of low cost and simple circuit, “de-energization†was once considered by the industry to be the future development trend of LED driver power. Zhao Chunbo, deputy manager of Mingwei Electronics Marketing Department, said, "The trend of LED driver power supply is toward simplification. The power supply is simple and easy to produce, and the integration is high. The direction is right."
However, at present, there are still many technical obstacles to de-energization. There is still a lot of work to be done in the process of popularization, and stable voltage is one of them.
In this regard, Runge Lai Electronics Chairman Wu Jianwei said, "In the field of outdoor lighting, there is a big limitation in the power supply, because it can not achieve high voltage and high current, or low voltage and high current." In addition, the power can only be The grid is used in a relatively stable situation, and some countries with unstable grids, such as backward countries, are simply impossible to use.
"LED driver power technology is difficult and difficult to develop. The product needs long-term experience to accumulate the results of life test. In the manufacturing process, it is necessary to ensure dustproof, anti-static, poor solder joints, poor incoming materials, quality inspection, etc. The link is checked.†Li Jianshan, the technical director of Zhongheng Paiwei, pointed out at the 2014 High-tech LED Annual Conference--The “New LED chapter for the next three years†conference.
Li Jianshan believes that the outdoor application scene is complex, and the drive power market has a large capacity. It is difficult to recall the problem when there is a problem. Therefore, the quality requirements of the drive power supply are more demanding, and the quality is the key to making the power supply.
Under the dual pressure of cost and quality, a new driving method "de-energization technology" came into being. The so-called de-energization does not mean that no power is needed, but is improved by other special techniques.
For example, removing some components such as electrolytic capacitors and transformers, the circuit design and the device are simplified to achieve the purpose of reducing the volume, reducing the cost, improving the reliability, and prolonging the life. However, since the emergence of the technical route word, it has been the focus of debate in the industry.
It is understood that the current industry from the technical level to achieve power, there are two main forms of expression: one is AC-LED (AC LEDs), and the second is HV-LEDs (high-voltage LEDs).
Chen Heng, general manager of the company, told reporters that "the photoelectric engine architecture of our AC-LED driver IC not only surpasses the AC/DC solution in terms of performance, but also has an absolute advantage in terms of cost." Take the lamp as an example. The cost of using the AC-LED can reduce the cost of the whole lamp by about 30%.
With the advantages of low cost and simple circuit, “de-energization†was once considered by the industry to be the future development trend of LED driver power. Zhao Chunbo, deputy manager of Mingwei Electronics Marketing Department, said, "The trend of LED driver power supply is toward simplification. The power supply is simple and easy to produce, and the integration is high. The direction is right."
However, at present, there are still many technical obstacles to de-energization. There is still a lot of work to be done in the process of popularization, and stable voltage is one of them.
In this regard, Runge Lai Electronics Chairman Wu Jianwei said, "In the field of outdoor lighting, there is a big limitation in the power supply, because it can not achieve high voltage and high current, or low voltage and high current." In addition, the power can only be The grid is used in a relatively stable situation, and some countries with unstable grids, such as backward countries, are simply impossible to use.
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