There is a problem with the electrodeless lamp

There are still some problems to be improved in the electrodeless lamp:

1, "Induction lamp" life issues:

The theoretical life of the electrodeless lamp is 60,000 hours. In fact, the current high-power electronic ballast technology has not yet achieved a fundamental breakthrough. At the same time, the life of components, including "electrolytic capacitors", is only 16,000 hours in the high temperature environment of the electrodeless lamp. Under the current technical conditions, the actual life of the electrodeless lamp is less than 8,000 hours, so the theoretical life cannot be cited for publicity. In the “Implementation Rules for the Outline of the 11th Five-Year Plan for Urban Green Lighting Projects” of the Ministry of Construction, Article 18 of the electrodeless fluorescent lamps shall use products with an effective life of ≥ 60000 hours, and the luminous flux maintenance rate during the effective life shall not be lower than 70%. It can be seen that it is too early for the electrodeless lamp to meet the requirements of the Ministry of Construction to enter the street lamp market.

2, "infinite lamp" light effect problem:

The theoretical light effect of the electrodeless lamp is only 80Lm/W, while the actual product light efficiency is only 65Lm/W, which is equivalent to the energy-saving lamp. It can't be compared with the current street lamp, “sodium lamp/metal halide lamp” (sodium lamp/metal halide lamp) Efficiency 110Lm/W--120Lm/W).

The manufacturers promote energy-saving, is to compare the light effect of "incandescent lamps".

Because the infinite lighting is low, compared with the sodium lamp, the same light is emitted, which means more power consumption and more serious heat. If you replace the 250W sodium lamp with a 185W induction lamp, it will only be darker. This is a fact that goes without argument.

At present, it has no lighting effect and does not comply with the national energy conservation industry policy.

3, "Induction lamp" light decay problem:

The high-frequency electromagnetic induction lamp has a theoretical life of 60,000 hours and a lumen maintenance rate of 70% or more. The low-frequency electromagnetic promise light is difficult to control, and some of them have only used less than 1000 hours and their lumens have dropped by more than 50%.

4, the cost of "induction lamp":

Since the actual life of the electrodeless lamp is difficult to reach the theoretical life, and the cost of the electrodeless lamp "electronic ballast" is high, once a 185W electrodeless lamp is damaged, the whole lamp is replaced, the cost is as high as 300-500 yuan / only, and the sodium lamp is damaged, only need to be replaced. A 40-60 yuan lamp.

5, "induction lamp" electromagnetic interference and space electromagnetic radiation problems:

The electrodeless lamp works by "electromagnetic wave or microwave", and its microwave generator emits super-power electromagnetic waves. The propagation distance can reach thousands of kilometers. The close-range is the "interference source" that cannot be solved. A large amount of data and manufacturers say that electromagnetic interference is early. It was solved in 2004, but just last year (2008), a serious accident occurred in Shenzhen Airport in China, which was “Inertial Light Interference Air Navigation System”.

In the “Eleventh Five-Year Plan for the Implementation of the Outline of the Green Lighting Project of the Eleventh Five-Year Plan”, the twenty-fifth stepless fluorescent lamp must pass the test of electromagnetic interference because it works at high frequency, otherwise it will interfere with the power grid and nearby electrical appliances. . Since the electrodeless lamp is excited by the super-power "microwave" to illuminate the phosphor, the "electromagnetic interference problem" cannot be solved at present.

The current electrodeless lamp electromagnetic compatibility technology cannot meet the requirements of the Ministry of Construction.

6, "Induction Lamp" power factor and harmonic problems:

Manufacturers of "Induction Lamps" have advertised that their power factor is as high as 0.98 or higher. We all know that power factor is a concept related to inductive or capacitive loads. Because of the use of full-bridge rectification, and the electrodeless lamp is a non-inductive and non-capacitive load, any circuit can easily achieve this indicator.

The important technical indicator of the electrodeless lamp is the "current harmonic" problem. If the APFC circuit is used, the problem can be solved, but the number of components increases, and the life reliability of the electrodeless lamp will decrease a lot.

7, "Induction lamp" high power and heat dissipation problems:

The problem of high power of the electrodeless lamp has not been a good breakthrough, which is also related to its low light efficiency. We know that the high-efficiency sodium lamp emits heat at 170W, which makes the quartz tube temperature as high as 400 °C, and the quartz tube can work longer than 700 °C.

Because of the low light efficiency, the electrodeless lamp emits 170W sodium light, which inevitably consumes more power and emits more heat. This heat must be dissipated in time, otherwise the magnet in the "electrodeless lamp" will lose its magnetism when it reaches the "curie temperature". The magnetron does not work.

At present, the electrodeless lamp power can generally be 185W, while the traditional sodium lamp power can reach 10000W. Therefore, the electrodeless lamp achieves high power, and there is still much work to be done.

8. Standardization of "Induction Lamps":

Because the electrodeless lamp is still in the free test and test stage of the street lamp, there is still a certain distance from the market acceptance. At present, each enterprise quotes its own standard, there is no national unified standard, the traditional lamp light distribution can not be used for "infinite lamp", and the interface compatibility is poor. Ballast replacement is difficult, these problems are not solved, and product maintenance will be very difficult. The electrodeless lamp glare is much heavier than the metal halide lamp, and it also makes it difficult for the electrodeless lamp to become the mainstream light source.

9, "Induction lamp" misleading for energy saving:

The only advantage of the electrodeless lamp is that the "theoretic life" is long. It is unreasonable to say that the electrodeless lamp is energy-saving.

The current luminous efficacy of the electrodeless lamp is only 65-80Lm/W. It is necessary to emit the same light, and it will consume more energy than the sodium lamp!

The dealer said: replacing the 250W sodium lamp with a 185W induction lamp means that the brightness drops a lot.

10. The future of "Induction Lamps" and "LED Lights":

"Induction lamp" and "LED lamp" are competing for the fourth generation of light source position. Compared with the electrodeless lamp, the LED light source also has a long theoretical life, but the light effect is low, and the half-life is also short, and the heat dissipation problem.

We hope that whether it is "induction lamp" or "LED lamp", in the near future, it can replace the "third generation" HID lamp, and truly become the ideal light source of "efficient, longevity".

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