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Determine the seven principles of LED drive power quality
- Jun 02, 2017 -

1. Give up more than 4 output, the development of single or two output, to give up high current and high current, the development of small current.

The more the number of output channels more complex, different ways to solve the current interference between the high cost, if not resolved, the higher the failure rate. In addition, the greater the output path, the greater the total output current, and the current is the main reason for the heat, the voltage itself does not directly lead to heat, simply heat and the current square is proportional to, that is, the current increased to the original 2 times, then the heat will increase to the original 4 times the current increased to 3 times the original, heat will increase to 9 times the original. In summary, single or two output LED lamp power failure rate will be reduced a lot.

2. Intelligent control is one of the advantages of LED lighting, and power is the key to intelligent control.

Intelligent control in LED lights and LED tunnel lighting applications on the most mature conditions of the most obvious effect, intelligent control in different time periods, according to the road traffic density to achieve the lamp power stepless control, both to meet the application requirements, but also to achieve a huge energy Effect, can save a lot of money for the highway competent units. The application of tunnel lighting can not only save energy, but also can automatically adjust the tunnel entrance and exit brightness according to the brightness outside the tunnel, and provide the driver with a visual excessive stage to ensure the safety of driving.

3. Abandon high power, high power, choose a higher stability of the small power supply.

Because the greater the power, the greater the heat, which is more compact components, is not conducive to heat, and temperature is the culprit of power failure. Moreover, the development of low-power power supply is relatively mature, stability and cost advantages. In fact, many high-power power solutions are not verified and proven by practice, are hastily launched the project, are experimental products, so the fault is endless. In contrast to the development of small and medium power supply earlier, more mature technical solutions.

4. Cooling and protection are the main external factors of power failure.

Not only the power itself will be hot, the lamps will be hot, how to distribute these two heat is a lighting design engineers must consider the issue, we must prevent the excessive concentration of heat, the formation of heat island effect, affecting power life. The use of a separate power supply solution is a good choice.

5. Feasibility of maintenance.

Power failure problem can not be completely avoided, Chengdu Chaoyue Optoelectronics put forward the principle of ease of maintenance. Only the replacement of the power to do with the conventional lighting of the light source replacement so simple, in order to be happy with the user, even if the power is broken, the mood will not be too bad, and the user's mood determines the LED lights manufacturers fate.

6. Protection performance.

Protection is also very important, the penetration of water may cause the power short circuit, the dust on the shell will affect the power supply heat, exposure is likely to cause high temperature and the aging of wires and other components, from the actual experience, Wiring plug failure rate is high, most of the water leakage caused by failure.

7. Modular design.

Modular design has become the trend of today, the module power supply must be a way to find a way, if the power can be used to solve the maintenance problems plug the way, will be welcomed by users, but also the need to establish interface standardization, so that different manufacturers LED lights can be universal power.

Summary: LED lights power supply is best to use split design, while focusing on power supply reliability and life, even if the increase in the cost, only standing on the customer's point of view to design products, enterprises can get long-term development.

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