Anatomy of the practice of environmentally friendly lighting

The energy-saving lamp mainly heats the filament of the lamp through the ballast. At about 1 160k, the filament starts to emit electrons (because some electron powder is coated on the filament), the electron collides with the argon atom to produce an inelastic collision, and the argon atom collides. After the energy is obtained, it hits the mercury atom. The mercury atom breaks after the energy is absorbed to generate ionization. It emits 253.7nm ultraviolet light, and the ultraviolet light excites the phosphor to emit light. The temperature of the filament is about 1160k when the fluorescent lamp works, and the temperature is 2200k than that of the incandescent lamp. 2700k is much lower, so its life is greatly improved, reaching more than 5,000 hours. Because it does not have the current thermal effect like incandescent lamp, the energy conversion efficiency of the phosphor is also very high, reaching more than 50 lumens per watt.

At present, the prices of energy-saving lamps on the market are very different. There are more than a dozen dollars, and there are dozens of dollars, and the price of incandescent lamps is much lower, about two or three dollars.

Although the life of energy-saving lamps (5000 ~ 10000h) is longer than the life of incandescent lamps (1000h), it is difficult for ordinary users to invest so much at one time. After all, they don't use the luminaire for a long time, just a few hours a day. As for the cost recovery, they think it is a matter of the Year of the Monkey. At the same time, some consumers have doubts about the life of energy-saving lamps, which is also an important factor affecting consumers to buy energy-saving lamps.

According to reports, in foreign countries, the popularity of energy-saving lamps is doing very well. On the one hand, residents of these countries have awareness of environmental protection and energy conservation; on the other hand, the state also has relevant policies and regulations to support it. Therefore, although the energy-saving lamps produced in China account for more than 80% of the world's total, more than 70% are exported to foreign countries.

LED light

LED is an abbreviation for light-emitting diode. In some PN junctions of semiconductor materials, the injected minority carriers recombine with the majority carriers to release excess energy in the form of light, thereby directly converting the electrical energy into light. can.

This diode made by the principle of injection electroluminescence is called a light-emitting diode, commonly known as LED.

The structure of the LED lamp is shown in the figure.

In general terms, the price of LED lights is now about 4 to 5 times that of ordinary incandescent lamps. LED lamps have many advantages that other lamps do not have. For example, LED lamps can be freely designed and produced according to the supply voltage. It is very simple; at the same time, it has low power and can save energy; it can be used with photovoltaic panels. At present, LED lights are mainly used in public lighting systems, such as solar street lights.

Solar street light

Solar street lights are actually composed of photovoltaic panels, controllers, batteries and lamps. Most of the solar street lamps are LED lamps. Because the voltage of photovoltaic power generation is generally small, the lamps associated with them must have low-voltage start-up and work. If you want to operate normally, it is very important that the three chains work normally. The three chains are: finance, products and human resources. These three are related to each other and have their own characteristics, which together affect the development of the enterprise. Here we focus on human resource management.

When it comes to human resource management, various books, various training courses, and various theories are dazzling. Is the management of human resources really so complicated? This should be a matter of benevolence and wisdom. Each theory has its limitations. It may not be suitable for every industry and every enterprise. Different industries and enterprises should summarize a set of management models suitable for their own needs according to their actual conditions. The photovoltaic industry is an emerging industry with characteristics that are not available in other industries, so it is necessary to adopt some effective and effective management methods. It is worth mentioning that the polarization phenomenon in the photovoltaic industry is very serious. Several large PV companies can occupy a place in the foreign market and have certain scientific research strength, which makes them have the source of power and the stamina for development. The situation of small businesses is much harder. Let's talk about how these small PV companies manage human resources.

Let employees see hope.

The current situation is that talent flows very frequently. The large-scale "trunk army" is almost always in the state of "mobile warfare". There are still some people who, although not involved in the "guerrilla warfare", are also in the heart of Cao Ying. What is the reason for the flow of talent so frequently? One of the main and very common reasons for small PV companies is how to define the "human resource management" is small, and the LED lights just meet this condition.

The difference between energy-saving lamps and LEDs The difference between the two lamps is mainly reflected in the following aspects: (1) Working voltage. LED lights can operate at 220V mains or with photovoltaic panels with only a few volts of power, while energy-saving lamps have higher voltage requirements.

(2) Light characteristics. The light of the energy-saving lamp can be diffused around, so the brightness in the space for illumination is relatively uniform, and the light of the LED lamp has only one direction, so the light collecting and reflecting device must be added, which limits the use of the LED.

(3) Life expectancy. The life of LED lamps can reach 50,000 hours, while the life of energy-saving lamps is only 5,000 to 10,000 hours.

Problems facing the market for energy-saving lamps and LED lamps (1) The domestic market is narrow. 70% of energy-saving lamps are used for export, and LEDs are mostly used for solar lighting projects.

(2) The quality of the products is mixed. Although some parts of energy-saving lamps and LED lamps are highly technical, there are not many technically high-level links in the entire production process. Therefore, some manufacturers buy equipment, and then import parts from the outside, after their own processing and packaging, the product is released. The existence of some inferior products has caused consumers to have a biased attitude and attitude towards these emerging products, which is not conducive to the healthy development of the entire industry.

(3) Sales and promotion measures are not in place. Manufacturers and sales personnel should present the advantages of the product to the customer and list specific comparison data and calculation results. However, the sales situation of many energy-saving lamps and LED lamps is that the sales staff can't say clearly, the consumers can't understand it; others are directly in the supermarket or other stores, so that consumers can buy freely. In this case, Consumers are easily affected by price factors.

(4) Policies and regulations are not in place. If these so-called energy-saving products can really achieve energy-saving effects, they will have obvious economic benefits in the long run, and the state can fully introduce relevant policies and regulations to support them. But the problem to be aware of is that you can't make a one-size-fits-all approach. Because these lamps are energy-saving, they may not be suitable for any environment, any occasion, or any consumer, so they should be treated differently.

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