Monthly Archives: 十二月 2011

Talk about LED Tube Light industry

Posted by solar panel on 十二月 31, 2011
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Talk about LED Tube Light industry

From January to July this year, LED Tube Light industry, new investment of more than 100 billion yuan.

Traditional lights are far less price competitive

Despite the huge investment, but in view of technical problems, that entry is actually about 70% of companies engaged in the downstream packaging and application services, and the two parts of the total profit of about 10% to 20% of the upstream and middle reaches of the wafer and chip business profits up to 70%. Industry sources say that the high-end chips, and now more than 80% from Taiwan or overseas, the core technology at this stage is still mainly concentrated in Japan and U.S. companies.

LED Underground Light account for 40% to 60% of the cost of the chip, the high cost of raw materials and technology, leading to the loss of price competitiveness, the main reason for not successfully enter millions of households. Power than traditional incandescent light LED 5 to 9 times, the cost of traditional lamps are often more than twice the price of natural high. It is understood, however, in recent years, the price of the chip at an annual rate of decline of about 20%. In addition, the company has recently developed a technology that will reduce the cost of nearly Qicheng LED chip, and another company successfully reduced the price of an ordinary LED lamp energy saving lamp level.

In addition to technical improvements, conducive to the development of policy in the “five” plan to promote the next in succession. At present, Dongguan, Huizhou, Foshan, Shenzhen, Dalian, Xiamen, Nanchang, and the development of relevant industries in succession planning. Market rumors, LED industry standards and subsidies is expected by the end of the introduction.

Five non-standard inferior products into products

Some analysts pointed out that the standard in the industry before the inevitable problems are not introduced, the various manufacturers of LED products is different specifications and different ways, reportedly 50% of products on the market there is no standard inferior product.

Therefore, the market began to question the led wall light industry has a bubble of excess capacity began. Experts point out that, LED is the trend will continue, but at this stage LED industry is not mature, real LED lighting market is not started. Local governments have committed to LED lights as a breakthrough, pull the entire industry, focused on the current LED landscape lighting, tunnel lights, street lamps and other lighting products.

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Solar Panel resources

Posted by solar panel on 十二月 31, 2011
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Solar Panel resources

At present, China mainly thermal-based power supply, thermal power on the ecological environment, a huge negative impact, with the deteriorating ecological environment, coal, natural gas and other one-time energy depleted, solar power for its green, pollution-free, renewable and other features, a new energy hot spots.
Abundant Solar Panel resources in China, the annual number of more than 2,000 hours of sunshine the area about the country’s total area of ​​2 / 3, in which conditions to develop solar power plants in the desert and Gobi area of ​​about 300,000 square kilometers, accounting for the total of China’s desert 23% of the area, solar power and wind power, biomass power generation is equivalent under the new energy power generation industry, the traditional alternative energy generation has a role in China’s development potential.

Solar Inverter is the use of semiconductor interface photovoltaic effect, the light energy directly into electrical energy of a technology. The key components of this technology is the solar cell. Solar cells in series after the package to protect a large area of solar panels (components), together with the power controller and other components to form a photovoltaic power generation system. Photovoltaic power generation system consists of solar panels (components), controller and inverter has three major components, equipment refined, high reliability, long life, easy installation and maintenance.
Photovoltaic power generation system into stand-alone PV systems and grid-connected photovoltaic systems. Stand-alone PV power plants in remote villages in the area, including the power supply system, solar home power systems, communications signal power, cathodic protection, solar street lights and other battery can run independently with photovoltaic power generation system.

pv module generation is the use of large-scale arrays of parabolic or dish-shaped mirrors to collect solar thermal energy, the steam through a heat exchanger device, combining the traditional turbine technology, so as to achieve the purpose of power generation. The use of solar thermal power technology to avoid expensive silicon photoelectric conversion process can greatly reduce the cost of solar power. Moreover, this form of solar energy and a solar energy conversion of other forms of unmatched advantages that solar energy hot water can be stored in large containers, a few hours after sunset still be able to drive steam turbine power generation machine.

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Solar Panel

Posted by solar panel on 十二月 30, 2011
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Solar Panel

In recent years, China’s Solar Panel industry to double the rate of rapid development, has become one of the world’s largest solar cell producer. However, unlike Germany, the United States and other solar applications market is more mature countries, China’s current solar application market development has lagged, over 90% of our PV modules are exported abroad. Affect the application of solar cells in addition to policy reasons.

But also because of its high cost, once the cost of photovoltaic power generation with conventional energy sources (coal, oil, natural gas) competition, even if lower than the wind, then the domestic market is start a large scale. Therefore, to further reduce the manufacturing costs of solar cells is the key to large-scale application. Industry sources, improve the conversion efficiency of solar cells is one of effective ways to reduce costs, it is understood, the conversion efficiency by 1%, the cost will be reduced by 7%.

Recently, Marino PV Group and IBM announced in Jinan to reach a crystalline silicon cell technology cooperation, through technological innovation to improve solar cell conversion efficiency. Investment Advisor in Senior Researcher Li Sheng-mao, said: “photoelectric conversion rate of solar power panel one of two core technical indicators, the current domestic monocrystalline silicon cells average photoelectric conversion efficiency is about 18% due to more and more enterprises are facing cost pressures, improve the future profitability of the industry still have to rely on breakthrough technologies. ”

In fact, to improve cell conversion efficiency, reduce manufacturing costs has been a goal the industry’s manufacturers, the current domestic PV manufacturers have already taken action. Suntech Power put into large-scale production of pluto Pluto high efficiency Monocrystalline Solar PV Module , breaking the conventional solar cell manufacturing bottleneck, breaking the crystalline silicon solar cell conversion efficiency world record efficiency of 17.5 (polysilicon) and 19.5% (monocrystalline silicon); British interest in the use of “Panda” technology and efficient production of single crystal components breaking the previous record of efficiency, the current conversion efficiency has reached 19.89%. Marino photovoltaic technology cooperation with IBM, but also around the crystalline silicon cell conversion efficiency. Under the new technology, expected to bring Marino photoelectric conversion efficiency of photovoltaic cells on the existing basis increased dramatically.

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The use of Solar Cell

Posted by solar panel on 十二月 30, 2011
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The use of Solar Cell

Solar Cell from silicon, gallium arsenide, copper indium selenide and other materials, they are basically the same principles to generate electricity. To crystalline silicon, for example, when the sun shines, when the surface of silicon, part of the photon of energy will be absorbed by silicon atoms, electrons in the atom jump mainland, resulting in the material within a certain potential difference, so that light energy is converted into electrical energy storage up. When the solar cells connected to the circuit, the voltage can produce a current flow through the external circuit.

Polycrystalline Solar PV Module is very bright, will be reflected from a lot of sunlight, the battery can not be used. To this end, scientists have to give it coated with a very small reflection coefficient of the protective film (pictured), the actual industrial production are basically depositing a chemical vapor deposition of silicon nitride film thickness of about 1000 angstroms. The reflection loss is reduced to 5% or less. Can provide a battery current and voltage is limited, so people turn a lot of battery (usually 36) used in parallel or in series to form solar panels.

solar panel is the main principle of the photoelectric effect of semiconductors, the main structure of semiconductors in general as follows. Positive charge that silicon atom, negative charge around the silicon atom next to that of the four electrons.
When the silicon crystal in incorporation of other impurities such as boron, phosphorus, etc., When mixed with boron, silicon crystal there will be a hole,
Positive charge that silicon atom, negative charge around the silicon atom next to that of the four electrons. The yellow that incorporation of boron atoms as boron atoms surrounded by only three electrons, will produce into the hole shown in blue, this hole because there is no electrons become very unstable, easily absorbed electron and in and form a Ppositive)-type semiconductor.

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The use of LED Tube

Posted by solar panel on 十二月 29, 2011
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The use of LED Tube

Solid-state lighting, Desk Lamps, also known as incandescent, fluorescent lighting after the third generation technology, energy saving, environmental protection, safe and reliable, solid-state light source is optimistic about the industry in the next decade to replace the traditional lighting of the great potential of new light represents the future of lighting technology. Development of new solid-state lighting, lighting is not only a revolution in the field, and consistent with the current government’s “building a resource-saving and environment-friendly society” requirements.

Low-power design, 150 hours power only once, lamps provide adequate lighting in case of power as possible. Production of light using semiconductor technology has a very high photoelectric conversion efficiency, providing the power you can maximize become bright. DC power supply, effectively eliminating the additional electromagnetic loss, further reducing overall energy consumption, so that the whole power of less than 7.5w

LED Bulb widespread attention and rapid development, and it itself has the advantages are inseparable. To sum up these advantages are: high brightness, low voltage, power consumption, small size, long life, impact resistance and stable performance. Potential for the development of LED, Shanghai Xing Ma old company as an industry leader in electronics, in the early development of the industry plays a key role. At present, LED is moving higher brightness, higher weather resistance, higher luminous density, higher luminous uniformity, reliability, full color direction.

Currently the use of LED Tube for some time, in the car lights, flashlights, etc. The application has been received well, but in street lamps and lighting have not seen many applications, this may be a bottleneck with the current technology has not yet completely break a relationship, LED although there are many advantages, but in the intensity, color temperature, and exposure range there are significant deficiencies. Such as high light intensity, but it’s not strong enough to give people the feeling of sharp glare, fluorescent light is far from sorted out than the illuminated area is too small.

 

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Talk about Solar cell

Posted by solar panel on 十二月 29, 2011
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Talk about Solar cell

Solar cell from silicon, gallium arsenide, copper indium selenide and other materials, they are basically the same principles to generate electricity. To crystalline silicon, for example, when the sun shines, when the surface of silicon, part of the photon of energy will be absorbed by silicon atoms, electrons in the atom jump mainland, resulting in the material within a certain potential difference, so that light energy is converted into electrical energy storage up. When the solar cells connected to the circuit, the voltage can produce a current flow through the external circuit .

Solar power is the main principle of the photoelectric effect of semiconductors, the main structure of semiconductors in general as follows. Positive charge that silicon atom, negative charge around the silicon atom next to that of the four electrons.
When the silicon crystal in incorporation of other impurities such as boron, phosphorus, etc., when mixed with boron, silicon crystal there will be a hole,
Positive charge that silicon atom, negative charge around the silicon atom next to that of the four electrons. The yellow that incorporation of boron atoms as boron atoms surrounded by only three electrons, will produce into the hole shown in blue, this hole because there is no electrons become very unstable, easily absorbed electron and in and form a Ppositive)-type semiconductor.

Polycrystalline Solar PV Module is more widely used .

solar panels are usually in the thickness of 350 ~ 450μm made ​​of high quality silicon, this silicon from silicon ingot pulling or casting from the sawing.

 

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The cost of LED Bulb

Posted by solar panel on 十二月 28, 2011
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The cost of LED Bulb

According to the National Development and Reform Commission predicted that “five” period, LED industry is expected to achieve the goal of quadrupling. To the end of 2015, China’s LED lighting penetration rate of 20%. The estimate is more optimistic about the industry in general, is expected by 2015, China Outdoor LED lighting penetration rate of 60% -80%, indoor commercial LED lighting penetration rate of 25% -30% penetration rate of LED lighting, indoor home about 5% -10%, the overall penetration rate of LED lighting in China will reach or even exceed 20%.

The cost of LED Bulb over the past decade decline in annual rate of 28%, the cost of lighting the next 2-3 years is expected to remain around 25% per year rate of decline. The current price of LED lights is also declining, compared with the end of 2010 decreased by 20% -30%, in the commercial area already has significant economic, LED market boom is coming.

In the face of many more good news, lighting industry, research institutions Zlighting that, for each Led Downlight industry chain enterprises, can not be blindly optimistic, the situation is excellent, does not mean that their development will be able to go up, the industry will also be able to escape laws of the market is likely to eventually become the monopoly of several dominant industry, in the current overcapacity situation, how to survive in the future to ensure competitive energy market in the LED can stand out from more than 4,000 enterprises, come out on top , is the key.

Most companies in the packaging stage of processing, lack of technical strength and technical reserves, only the lowest level in the industrial chain, strengthen research and development, investment and money need to invest the time to vote, but it is necessary to do, it will be very easy to fall behind , I think I can safely learn from Japan Canon’s R & D strategy, then Canon would like to develop a home printer, but their strength and technique are not enough, so the eight companies in Japan and cooperation, such as Toshiba, Sanyo, Mitsubishi and other cooperation, co-financing three hundred million Japanese yuan, to the Canon R & D, developed technology sharing with developing markets, access to a win-win situation. LED-related research institutes, supporting businesses, manufacturing companies can force a coalition of technology research, to master the core technology, the basis for further development, to break past a closed, small and complete, the development model behind closed doors, underwear and stronger corporate outreach .

Market share of LED Strip Light are now very small, we are just around the corner market to grab some life and death, I believe that the relevant enterprises, especially the different product lines and applications companies can form a joint fleet, pool resources to jointly develop the market, only the bigger cake, let the market and more people recognize the value of energy-saving LED lights, we can have a larger market share, especially small and medium sized enterprises, through industry associations, or self-built business alliances, LED energy saving lamp market this big cake.

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The price of Dragonsolar ARAC Glass

Posted by solar panel on 十二月 28, 2011
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The price of Dragonsolar ARAC Glass

Dragonsolar ARAC Glass as a solar photovoltaic glass Lutheran emerging high-performance products, widely used in solar cells, solar water heaters and other components of the field. The product is white in the solar ultra-high through the glass surface coated with a layer AR film, and then through the steel product obtained after treatment. The AR film is in the advanced technology of nano-porous silica, based on silica particles by controlling the size and the accumulation form, in the ultra-white glass surface to obtain uniform distribution of nano-scale porous nano-materials, the reflectivity of the film reduced to about 1%, thereby enhancing the solar transmittance, and ultimately improve the conversion efficiency of solar modules. Thus, the component factory to provide the best performance for the AR photovoltaic glass, while the application in solar energy products, but also indirectly for the final consumers in saving energy, emission reduction has played a positive role.

In recent years, earthquakes, droughts, tsunamis, global warming and other natural disasters occur frequently, have attracted people’s attention. Environment has gradually become a popular topic, “Energy”, “green” two words thus become “fashionable.” In two of the country this year, environmental protection, sustainable development has become the subject of two sessions, the CPPCC National Committee, “One proposal” low carbon content is about. Premier Wen Jiabao in his government work report also pointed out: We should vigorously develop energy-saving environmental protection industry.

crystalline solar panels are a good Measure.

Industry Solar Modules sources said that many solar cell manufacturers advise customers of the chip manufacturing company has been no loss operation, so the price of solar wafers may also rebounded, so the price of solar cells will grow. Downturn in demand for the second quarter, solar cell prices fell by 30%. As the market becomes clearer, demand picked up gradually in the third quarter.

 

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Pv module energy

Posted by solar panel on 十二月 27, 2011
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Pv module energy

With the country’s increasing emphasis on renewable pv module energy, solar photovoltaic industry will usher in the peak of its historic development, the development of glass products which will bring important changes. To meet growing market demand, Xinyi Glass will continue to strengthen research and development capabilities, to constantly introduce new products and improve product quality. In the Lutheran Wuhu and Tianjin base will have a new production line on stream in 2011, focusing on the development of new energy and environmental energy-saving glass products to meet the future market for high-quality float glass, low-E glass (LOW-E glass), double layer of insulating glass and photovoltaic glass of strong demand. I believe the future second and third tier cities for quality float glass and the demand for LOW-E glass will show explosive growth.

Dragonsolar ARAC Glass is mainly used for solar panels transparent glass protective layer, the fundamental and essential for the solar cell material. Lutheran photovoltaic glass production line completely independent intellectual property technical design, but also the nation’s current largest photovoltaic glass production line.

Glass as a high energy-consuming enterprises, has been the focus of national energy saving target. In the existing industrial base, combined with national policy, not limited by line conditions, to achieve sustainable development of the industry, the glass is an important issue facing the company. Develop energy-saving, new energy glass as the holy grail of many companies.

Requirements of national regulatory authorities to promote the development of the enterprise group policies to encourage mergers and acquisitions, project approval, land approval, credit, tax breaks and other aspects of support competitive enterprises, encourage enterprises to reduce the construction of new lines, and more mergers and acquisitions, mergers and acquisitions and transformation through bigger stronger, for the next three years the top 10 largest producers of flat glass industry for more than 70% concentration. Reporters learned that, under the pressure of energy saving, the domestic leader in glass have force of new energy glass products, not only in line with national policy, but also new opportunities for expanded business development.

Dual Axis Tracker is also very important .

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Dragonsolar Pv Glass curtain wall

Posted by solar panel on 十二月 27, 2011
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Dragonsolar Pv Glass curtain wall

According to experts, Dragonsolar Pv Glass curtain wall is the traditional glass curtain wall and solar photovoltaic technology, combine the construction of a new curtain wall, mainly using a new type of solar power, green energy technologies. Solar photovoltaic glass curtain wall to strengthen the R & D has become the photovoltaic industry, building walls to promote renewable energy industry on the application in the construction of new topics. Shenzhen Chuang Yi Technology Co., Ltd. standardization engineer, said Yang Ge, and electrical design of solar photovoltaic glass curtain wall of mandatory national standards related to 53, but no breakdown of the introduction of relevant standards, lack of international standards designed to make each unit , production units, construction units and so on according to their own experience to design, manufacture and construction, different algorithms led to different configurations, reducing the interchangeability and improve the system design and maintenance costs.

According to reports, from a technical point of view, solar photovoltaic glass curtain wall glass curtain wall more than ordinary power function, to bring a new application.

As pv module , not from the construction requirements, including installation, lighting and mechanical properties. Also need to be photovoltaic glass curtain wall components within the current leads, involves junction boxes, cables, controllers, batteries and other devices designed to selection. Large-scale application has not been at home and abroad, to demonstration projects in the country is based.

LED Street Lights as a tool for daily use, electricity use is the percentage share of electricity a large part of it. Production of energy-saving lamps is an important step in effective energy. Lighting industry to go low-carbon economy, we must develop energy-saving lamps production. Energy-saving lamp has significantly improved the traditional lighting of the high-loss problem, according to incomplete statistics, the same power (wattage) lamps, energy saving lamp will save 70% cf light. Unfortunately, because of damaged energy-saving lamps contain mercury, will seriously pollute the environment. However, the latest energy-efficient LED materials, products, pollution, the effective energy saving, energy saving, environmental protection, lighting is a historical necessity.

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