When Will the National Standard for LED Solar Street Lamps Be Improved

At present, the lighting electrical products that have carried out energy-saving certification include: self ballasted fluorescent lamps for general lighting, double ended fluorescent lamps for general lighting, single ended fluorescent lamps, high-pressure sodium lamps, electrodeless lamps, (gold halide lamps) metal halide lamps, ballasts for tubular fluorescent lamps, ballasts for high-pressure sodium lamps, (gold halide lamps) metal halide lamps and road lighting systems. After two years of technical research and development, China Quality Certification Center (CQC) will soon carry out energy-saving certification for semiconductor (LED) and electrodeless lighting products, mainly including electrodeless road / tunnel lighting products, led downlights and reflective self ballasting LED lamps.

CQC is an energy-saving product certification organization accepted by the state, and has established a certification and identification system for high-efficiency lighting electrical products. All products in the government procurement catalogue of energy-saving products shall pass the "section" mark certification of CQC before they can be adopted by government procurement.

According to the voluntary principle, enterprises can apply for energy-saving certification. If the applied products meet the requirements of product energy efficiency standards (or technical specifications) and the implementation rules of energy-saving product certification, and are reviewed and confirmed by CQC, they can obtain the China energy-saving product certification certificate issued by CQC. After signing the agreement on the use of certification certificate and mark with CQC, the enterprise can use the certification certificate and "section" mark on the advertising and publicity materials of the certified products.

Solar street lamp manufacturers introduced the implementation of lighting energy-saving measures. The national investment is the smallest and the effect is the most obvious. Since July 18, 2006, China has included energy-saving certified products in the government procurement catalogue. In order to further expand the scope of government procurement of energy-saving products and strengthen the government procurement of energy-saving products, according to the notice of the general office of the State Council on establishing the system of government compulsory procurement of energy-saving products and the opinions on the implementation of government procurement of energy-saving products, the Ministry of finance In July 2010, the national development and Reform Commission readjusted and published the eighth "government procurement list of energy-saving products", which identified air conditioners, lighting products (including double ended fluorescent lamps, self ballasting fluorescent lamps, single ended fluorescent lamps, tubular fluorescent lamp ballasts), televisions, electric water heaters, computers, printers, displays, toilets Nine categories of products, such as faucets, are energy-saving products that the government compulsorily purchases.

When Will the National Standard for LED Solar Street Lamps Be Improved 1

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Is the Traditional Energy-saving Lamp Regulator Used for LED Circuit? Detailed Analysis of 11 Defect
Can the controller of traditional energy-saving lamp act on LED circuit?There are many options for buying LED bulbs, but compatible led dimmers are difficult to choose. Many users will confidently say that it is OK to use the dimmer of traditional incandescent lamps. Now the most commonly seen on the market is thyristor dimmer, which is divided into DC and ac. it is very easy to use in incandescent lamps.After selecting the LED lamp with appropriate color temperature, lumen grade and beam angle, the dimming requirements are met. Different from the random dimming method of ordinary incandescent lamps, dimming LED bulbs with thyristors may be successful, but many problems will occur in most cases.Four conditions:The most common problem is that there is a buzzing beep or a strong stroboscopic. Ordinary incandescent lamps only need to adjust the voltage to adjust the light and shade, but it may not work for LED lamps. We have done experiments and the following four situations have occurred:1. It can't be opened at all. It doesn't light up at all!2. It can only be on at 100% illumination.3. It can work normally, but the buzzing sound is very loud.4. Stroboscopic occurs when it is adjusted to a certain brightness.Dimming principle:During the test, sometimes the LED can be used normally after it is dimmed to a certain limit. We judge that the reason why it doesn't light up is that the applied voltage of the dimmer is too small to reach the required voltage.The internal circuit of LED is much more complex than that of incandescent lamp. The real led dimmer is not only regulating voltage, but also has three principles:1. Wave width control dimming: digitize the square wave of the power supply and control the duty cycle of the square wave, so as to control the current.2. Constant current power supply regulation: the current can be easily adjusted by analog linear technology.3. Grouping control: group multiple LEDs and control them with a simple grouping device.Note the strobe:The reasons for the most stroboscopic cases are as follows: the adjustable resistor itself is not a very reliable component. Often, due to the entry of dust or the lax manufacturing process, there will be an instant jump fault when operating the adjustable resistor, and the light source will flash. Therefore, we need high-quality adjustable resistance, or use linear technology to regulate current rather than voltage.In fact, the internal driving function of LED itself can easily adjust the brightness and darkness, but most LED manufacturers remove this function to save costs. Whether the LED lamp can be dimmed is usually marked on the box. If there is no mark on the box, please use the dimming function with caution or use a special LED dimmer.Dimming will reduce life:A reminder is that dimming can easily reduce the life of the bulb. Why? Simply take a dimming method: we divide one second into 1000 parts, each part is 1 millisecond, and then make the LED light work for 7 milliseconds and turn off for 3 milliseconds through the control chip. In this way, it only works for 0.7 seconds in one second. However, due to the fast flashing interval, we can't feel its brightness flickering with our naked eyes, and we will only feel that its brightness has darkened, which is 0.7 times the original, This achieves the effect of dimming. Similarly, we can achieve 50% brightness, 32% brightness and any brightness. Blink in this way, it's strange not to break early!In order to avoid various problems, try not to use the physical dimming method for the smart bulb. Take out the mobile phone and open the app to adjust the light and shade.In fact, I still like to use the way of grouping device to control the brightness, which is simple, safe and easy to use. It can be easily done by touching the key switch or independent grouping switch. It is not necessary to fine tune the brightness from 0 to 100% perfectly in the home. It is OK to realize several levels of brightness adjustment, which can fully meet the needs.Analysis and retrieval of 11 disadvantages of LED wick:Compared with traditional incandescent lamps, led filament lamps have higher requirements for packaging. It is reported that at present, led filament lamps have very strict requirements for filament working voltage design, filament working current design, LED chip area and power, LED chip luminous angle, pin design, glass bulb sealing technology, etc. it can be seen that the manufacturing process of LED filament lamps is very complex, and there are certain requirements for the financial strength, supporting facilities and technology of manufacturers.In the production process, due to different processes, the requirements for materials are also different. In addition, in production, many equipment need to be transformed according to the performance characteristics of LED filament lamps, which also makes the manufacturers of relevant materials of LED filament lamps miserable. The defects in the bulb material also make the LED filament lamp easy to be damaged during transportation. The complex process and low yield make the LED filament lamp unable to obtain high praise from manufacturers and consumers.1. Difficult process, poor heat dissipation and easy damageAlthough led filament lamps have attracted much attention in the domestic market in the past two years, at present, the problems existing in the production of LED filament lamps can not be ignored: the manufacturing process is difficult, several different processes need to be integrated, and the yield is low; More than 8W led filament lamps are prone to heat dissipation problems; It is easy to be broken and damaged in the process of production and use.2. Structure, performance and price to be improvedDue to the relatively late entry of LED filament lamps into the market, the market-related sharp bubbles, tail bubbles and spherical bulbs are mainly "patch type". In addition, the filament lamps that entered the market in the early stage are far from consumers' expectations in terms of structure, performance and price, which makes consumers have some misunderstandings about led filament lamps. With the breakthrough of key technologies, the maturity of packaging technology and the improvement of bubble sealing technology, the luminous efficiency, finger display, service life and cost of LED filament lamps will be improved to a certain extent.At present, the LED filament lamp needs to be improved in too many places. It is like a newborn "premature baby". It is not very mature in all aspects, with high cost, complex production process and low production capacity. Therefore, we should improve the raw materials, led beads and manufacturing process in the future, so as to improve the production capacity of LED filament lamps, reduce losses and improve delivery efficiency.3. Low power and poor heat dissipation are obstaclesAffected by the production process, there are many problems in LED filament lamps, such as high cost and high damage rate during transportation due to the defects of bulb material. In addition, the heat dissipation of high wattage led filament lamps has also become an obstacle for LED filament lamps to enter ordinary people's homes.Problem 2: high priceAccording to the market survey, the average retail price of a 3W led filament lamp is about 28-30 yuan, which is much higher than that of LED bulb lamps and other lighting products with the same power, and several times higher than that of LED incandescent lamps with the same power. Therefore, many consumers are scared away by the price of LED filament lamps.At this stage, the market share of LED filament lamps is less than 10%. Nowadays, as a characteristic product, led filament lamp restores the luminous feeling of traditional tungsten filament lamp and is loved by many consumers. However, the high cost, low light efficiency and small application range of LED filament lamps are also the problems that lighting manufacturers must face and look directly at in the next stage.1. Supporting materials increase product costThe market prospect of LED filament lamp is very bright, but there are difficulties in the promotion of LED filament lamp at this stage, mainly due to its high cost and the lack of large wattage, which makes the application of LED filament lamp limited to the flower lamp market. In addition, the matching of raw materials also increases the cost, because there is no standard in the specification and shape of filament lamp, and its market volume is small, As a result, the supporting materials are basically customized, and the manufacturing cost remains high.2. The cost of LED filament is too highAmong all parts of LED filament lamp, the highest cost is led filament, mainly because of its complex production process and high cutting cost; The production efficiency is not high and the degree of automation is low, resulting in the cost. At present, the cost of 3-6w filament bulb can be controlled below 15 yuan, of which the cost of LED filament accounts for more than half.3. The packaging of LED filament lamp is exquisiteThe packaging of LED filament lamps is more exquisite. The light effects encapsulated by each enterprise are different. Led filament lamps still have certain limitations in power and heat dissipation, resulting in higher prices than ordinary LED light sources.Problem 3: small marketAt this stage, the power of the best-selling led filament lamp in the market is basically less than 10W, which shows that at this stage, the LED filament lamp is technically trapped in the problem of heat dissipation and can not achieve high power. It also shows that it can only cover a small section of the whole lighting product line and can not be widely promoted. Even if it plays the "nostalgic" brand, the LED filament lamp market is only a small market, It can't become the mainstream for the time being.1. Low consumer acceptanceWith the shrinking incandescent lamp and energy-saving lamp market, LED lighting products are slowly recognized by end consumers. However, at present, the market of LED filament lamps is still very limited. Due to the limited application and power of LED filament lamps, the acceptance of LED filament lamps by end consumers is not very high.In addition, consumers do not know enough about led filament lamps. Many people think it is just an improvement of ordinary incandescent lamps.2. The main demand comes from the projectAs LED filament lamps are mainly used in flower lamps, and their main demand comes from engineering lighting, general dealers will not mainly promote LED filament lamps. Even if a few businesses sell LED filament lamps, they won't have too much inventory.Problem 4: difficult to promoteEntering the terminal market, we can find that the LED filament lamp is not as hot as expected for two reasons:1、 Many stores do not promote filament lamps as key products, and consumers' awareness and acceptance of filament lamps are not high;2、 Compared with LED light source products such as bulb and sharp bulb, led filament lamp products have no qualitative change. On the contrary, the price is relatively high and it is difficult to go. Let alone replace the market position of LED bulb, energy-saving lamp and other products.Therefore, at present, the market advantage of LED filament lamp is not very obvious, and the market is basically waiting and trying.At present, the difficulty of pushing led filament lamps in the terminal market lies in:1、 Poor integration between traditional bubble sealing industry and LED packaging industry (concept and process integration);2、 It is not easy to reverse the concept of end consumers;3、 The acceptance of LED filament lamp products by society and government is not clear. In addition, the price of LED filament lamp is high, and consumers have not really distinguished the difference between LED filament lamp and incandescent lamp, which leads to the difficulty of LED filament lamp market promotion.1. Merchants are not active in promotionAt present, if led filament lamps want to achieve good performance in the market, they also need to strengthen publicity and innovation. The development of LED industry is increasingly fierce, and industry standards have been issued one after another, which has exacerbated the market development resistance of LED filament lamps. Especially at this stage, many consumers do not understand led filament lamps, and merchants are not active enough in promoting led filament lamps. Even most merchants are not very optimistic about their development prospects. In actual sales, customers usually see or ask, Businesses will push this product.2. High price makes promotion difficultAt present, it is difficult to promote LED filament lamps in the market. Because consumers do not know much about led filament lamps, the probability of purchase is very small. In addition, due to the impact of e-commerce, the transaction rate of LED in physical stores is lower. Some consumers pay more attention to the price when purchasing products. Therefore, there is still a long way to go for LED filament lamps to enter the families of ordinary consumers.3. Lack of new selling points of LED filament lampsAt present, led filament lamp is in the primary stage of promotion, and very few people know its advantages because of the appearance and original quality of the product
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