LED companies that are developing strong in the country, will encounter new green energy-saving opponents in the field of lighting - the electrodeless lamp. At the beginning of 2011, the “China Induction Lamp Industry Alliance†led by the National High-Tech Energy Conservation and Emission Reduction Promotion Center was formally established in Beijing.
This indicates that the market is still small and the potential of the electrodeless lamp enterprises has begun to form an industrial alliance, seeking support from relevant state departments, and robbing itself of the competitive advantage of public lighting in the form of “carrying the groupâ€. Market share.
According to industry insiders, compared with LED, the electrodeless lamp has the advantages of long life, high luminous efficiency and low cost. Although the cost is higher than the traditional light source, the input cost of using the low frequency electrodeless lamp is about 50% of that of the LED lamp. However, the development of the electrodeless lamp industry lags far behind the LEDs belonging to the fourth generation of new light sources.
However, at the Beijing Lighting Exhibition last month, the China Induction Lamp Industry Alliance, which was established less than three months ago, led a group of induction lamps to participate in the exhibition, showing the world's own products with independent intellectual property rights – the electrodeless lamp. Some members of the alliance also held an internal symposium at the exhibition site, proposing new ideas and new measures for the development of the electrodeless lamp industry. This should be the first time that China's electrodeless lamp industry has appeared in the society as an overall image of the industry, marking the entry of China's electrodeless lamp industry into a new stage of development.
So, what are the technical problems encountered in the development of the electrodeless lamp? Below I will take you to explore the exploration of the development of induction lamps.
First, the high and low frequency of the electrodeless lamp
Any illuminating lamp without a filament electrode is an electrodeless lamp. In fact, the microwave lamp is also in the category of an electrodeless lamp. There is no filament electrode inside the microwave lamp, it is a 2450MHz microwave to stimulate the sulfur inside the bulb body. Sulfur is directly excited to emit very strong white visible light after microwave excitation. Sulfur does not pollute human living environment, so microwave lamps are not only mercury pollution, but also no UV pollution and phosphor pollution of phosphors. It is a true green light source. At the same time, the spectrum of the light of the microwave sulfur lamp is very close to the spectrum of sunlight, and it is the most similar daylight illumination.
This kind of lighting with true sunlight is a cornucopia cash cow for planting farming. The removal of filaments from lighting is a major advancement in lighting technology and certainly the direction of human lighting. The lamp without the electrode does not have the loss of the filament. The life of the filament is naturally prolonged. At the same time, there is no ablation of the sputtered filament residue to contaminate the phosphor, which seriously affects the luminous ability of the phosphor to cause the light decay of the energy-saving lamp. This is the induction lamp ratio. One of the reasons for the decline in energy-saving lighting.
Why is there a debate about the high and low frequencies of the electrodeless lamp? Where is the development of the electrodeless lamp? Is it the direction and not the detour? The high and low frequency of the electrodeless lamp is judged from their working frequency. The operating frequency of the high-frequency electrodeless lamp is 2650KHz, and the working frequency of the low-frequency electrodeless lamp is between 150K and 300KHz, and more 230KHz is selected. The reason for the high and low frequency difference is very simple: the 2650KHz high frequency electrodeless lamp has great technical difficulty, and there are more difficulties in design and production. The use of 150K ~ 350KHz low-frequency electrodeless lamps is relatively easy in technology, and there are ready-made 150K ~ 350KHz power supply circuit chips can be used. So what are the technical difficulties that are difficult to solve in high-frequency induction lamps?
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