The LED lamp packaging and heat dissipation technology were making great progress in recent years, the occurrence of light decay and color drift are mainly the products of some bad quality factory , the main reason is the unreasonable heat dissipation design.
Frankly speaking, the problem of LED lamp driving power supply is much more important, which is the main cause of light off or flashing. That means, LED lamp driving power has become a short board of LED lamp quality.
According to wooden barrel theory, LED lamp driving power supply The life span is the life of the LED light.
More and more super-power outdoor LED flood lights and LED tunnel lights on the market, LED drive power failures frequently occur, and LED flood light drive power supplies often use built-in design, which often causes difficulties in maintenance of LED light power supply.
And some manufacturers lack after-sales maintenance services, so the complaints of the users have caused the public to misunderstand the LED lights after the exaggerated publicity of the media, which has big affected the reputation of the LED industry.
Seven tips of LED Lamp Driver Power Supply:
1. Intelligent control is one of the advantages of LED lamps, and power supply is the key of intelligent control.
Intelligent control has the most mature condition and obvious effect in the application of LED flood lamp and LED tunnel lamp lighting. Intelligent control can realize the stepless control of lamp power in different time periods. It not only meets the application requirements, but also achieves great energy-saving effect.
2. Do NOT use 4 or more outputs, develop single or two output, give up large current and super large current, develop small current.
The more the number of output channels is more complicated, the current interference between different outlets cost is high. The failure rate is high if this not solved.
In addition, the more the number of output channels, the larger the total output current, and the current is the main cause of heat generation.
The voltage itself does not directly cause heat. Simply speaking, the heat is proportional to the square of the current, that is, the current increases to the original. 2 times, the heat will increase to 4 times, the current will increase to 3 times, and the heat will increase to 9 times.
In summary, the single- or two-output LED lamp power failure rate will be much lower.
3. Heat dissipation and protection are the main external factors of power failure.
Not only the led driver itself will heat up, but also the lamps will heat up. How to properly dissipate these two heat sources is a problem that the lighting design engineer must consider.
It is necessary to prevent excessive heat concentration and form a heat island effect, which affects the life of the power supply. A separately led driver is a better choice.
4. give up high power, super high power, choose a medium and small power supply with higher stability.
More power, means more heat, and the more compact the components inside, which is not conducive to heat dissipation, and the temperature is the culprit of power failure.
Moreover, the low-power power supply is relatively mature in development, and has advantages in terms of stability and cost. In fact, many high-power power solutions have not been time-tested and proven, they are all rushed projects, are experimental products, so the failures are endless. In contrast, small and medium-sized power supplies have matured due to their earlier development.
5.Try to make it easy formaintain.
The problem of power failure cannot be completely avoided. Only when the replacement of the power supply is as simple as the replacement of the light source of the conventional illumination can the user be happy, even if the power supply is broken, the mood will not be too bad, and the user’s The mood is good or bad determines the fate of LED lamp manufacturers.
6. IP protection.
The protection problem is also very important. The penetration of moisture may cause short circuit of the power supply.
The dust on the outer casing will affect the heat dissipation of the power supply. Exposure will easily cause high temperature and aging of wires and other components.
From the experience in actual use, the rotation The failure rate of the wiring plug is high, and most of them are faults caused by water leakage.
7. modular design.
Modular design has become the trend of today. It is necessary to find a way to integrate the module power supply.
If the power supply can solve the maintenance problem by plugging and unplugging, it will be welcomed by users.
At the same time, it is necessary to establish interface standardization and let LEDs of different manufacturers. The lamp power supply can be used universally.
Summary: LED light power supply is best to use split design, while paying attention to the reliability and life of the power supply, even if it adds a little cost, only by standing at the customer’s point of view to design the product, the enterprise can get long-term development.