Pursuing high-quality and low-cost products is the nature of consumers, but at this stage, it is still difficult to buy low-cost and high-quality LED lights. When we bought LED lamps, we found that even the price of the same LED lamps differed greatly. Everyone looks at the surface of the lamps and lanterns are the same, but the materials used are not satisfactory.
Let me talk about LED and energy-saving lamps. In large shopping malls, a certain brand of 20W energy-saving lamps is priced at 59 yuan. The price of the equivalent LED10W lamps is between 38 yuan and 120 yuan. Imagine that energy-saving lamps have different technical content compared with LEDs, and the price of some LED lamps is not as good as that of energy-saving lamps.
Let’s talk about LED comparison. LED lights of the same wattage, produced by the same manufacturer, have the same appearance, but the price may vary greatly with just one item.
The structure of LED lamps mainly includes the following parts: lamp beads, radiator, power supply, fan, mainboard, housing, lens, wire, etc.
Therefore, the LED price difference is mainly in the following aspects:
1. Lamp beads
The price of LED lamp beads is uneven in the market. Why are some lamp beads sold cheaply, and some lamp beads have a price difference of dozens of times? In fact, there is something tricky about it.
First of all, its materials are definitely the worst. Consumers cannot judge these raw materials. Only after use, the problem is slowly exposed.
The second is to increase the use of power. Originally, the normal use power of the lamp beads may be only 1W. When the power is increased to 3W, the power is beyond the scope of use. The initial brightness is very high, but it decays quickly, and it will be dark within a few months.
Again, it is the virtual standard power. The standard is 3W lamp beads. In fact, 1W or 0.75W lamp beads are used instead, or even lower. This consumer generally cannot test.
When the lamp beads are working, part of the electrical energy is converted into heat energy, and the heat dissipation is not good, which directly affects the service life of the lamp beads.
The LED lamp radiator can be distinguished by the naked eye when the consumer disassembles the lamp shell. At present, many lamps on the market are equipped with very small and thin radiators, and even many businesses do not install radiators at all in order to compete for prices.
Does everyone know how to ensure good heat dissipation without a radiator in a high-power lamp? How can it be guaranteed to work stably when the lamp beads are on for a long time?
Many low-priced power supplies on the market are either false standard or cheap power supplies that use lamps that can’t drive the rated power at all. In fact, consumers can easily identify the quality of the power supply.
The transformer and power volume on a good brand power supply is relatively large, and the overall look is full and textured; the component arrangement and production process are also relatively good, and the overall look is clean, tidy, and beautiful.
The low-cost and non-guaranteed power supply is designed to cut corners, prevent surges, rectify and filter, and stabilize the currency. It saves energy and does not consider the safety and stability of actual use.
There are two kinds of driver boards on the market, one is a constant voltage driver board, and the other is a constant current. The constant current motherboard has high stability and the price is more than twice as expensive as the constant voltage.
Most of the low-cost LED lamps use the garbage mainboard with constant voltage, which cannot be protected when the temperature of the lamp body rises, which greatly reduces the service life of the LED lamps. There is also a cost-saving, the mainboard and the display board are integrated.
Low-cost LED lamps use some impurity aluminum die-casting parts or thin aluminum sheets or even plastic shells, which are low in cost and have very poor heat dissipation conditions.
As the saying goes, you get what you pay for. If you encounter a manufacturer whose lamps are much cheaper than other normal manufacturers, don’t be confused at this time. Buying cheap things is what everyone expects, but for things that are so much lower than the market price, you should more carefully confirm whether the various parameters described by the supplier are true, and you need to take a real test. Outrageous products with low prices, regardless of the seller’s reasons. Because the low price is not enough even the cost, how can there be a guarantee of quality?
In front of many lighting brands and products, how do you make judgments and choices? Under the “price war”, the price may become the most important judgment and selection criterion for many consumers. However, the reputation, technology, performance, and parameters of brand products are all criteria that cannot be ignored. The author comprehensively investigates several LED products of many brands and presents the most authentic products themselves for the industry.
The price of LED lighting fixtures has always been criticized, but now there are some low-priced LED lighting fixtures on the market. Many people compare these LED fixtures, and it is not difficult to find that LED fixtures with different prices are still very different. The structure of LED lamps seems simple, but in fact, there are many details that are the source of the difference.
With the continuous development of the lighting industry, LED lamps are constantly competing with traditional lamps. There are many manufacturers producing LEDs and LED lighting. Different manufacturers choose LEDs made of different materials to make LED lamps different.
Due to the increasingly fierce price war, products with almost the same appearance, structure, and functions have a price difference of 2-3 times. Many users are confused for a while and do not know where the price difference comes from. It is difficult for general LED lighting manufacturers to distinguish, not to mention consumers. The main reasons for the price difference are as follows:
The brightness of the LED is different, and the price is different. I believe it is not difficult for us to understand this. Just like traditional incandescent lamps, high-wattage lamps are more expensive. The brightness of LED bulbs is expressed in lumens. The higher the lumens, the brighter the lamp and the more expensive it is.
2. Antistatic ability
LEDs with strong antistatic ability have a long life and are therefore expensive. Generally, LEDs with anti-static voltage greater than 700V can be used for LED lighting.
LEDs with the same wavelength have the same color. If the color is required to be the same, the price is high. It is difficult for manufacturers without LED spectrophotometers to produce products with pure colors.
4. Leakage current
LED is a unidirectional conductive luminous body, if there is a reverse current, it is called leakage. LEDs with large leakage currents have a short life and low prices, and vice versa.
5. Luminous angle
LEDs with different purposes have different light-emitting angles. Special lighting angle, higher price. Such as the full diffusion angle, full light distribution, 360° luminescence, etc., the price is higher.
The key to different qualities is life, and life is determined by light decay. The light decay is small, the life is long, the life is long, and the price is high. The average life of LED lamps is higher than that of traditional lamps.
7. LED chip
The luminous body of the LED is a chip, and the price of different chips varies greatly. Chips in Japan and the United States are more expensive, while the prices of LED chips from Taiwanese and Chinese manufacturers are lower than those in Japan and the United States. Most of the price of LED lamps is concentrated on the chip, which is equivalent to the heart of the LED lamp.
8. Chip size
The size of the chip is expressed by the side length. The quality of the large chip LED is better than that of the small chip, and the price is proportional to the chip size.
The colloid of ordinary LEDs is generally epoxy resin, and LEDs with anti-ultraviolet and fire retardants are more expensive. High-quality outdoor LED lighting should be anti-ultraviolet and fireproof. Good colloids are safer in daily use and can effectively avoid accidents such as short circuits.
Generally speaking, the price of LED lighting lamps is showing a downward trend, but consumers of LED lighting products with too low prices must be more mindful to avoid being deceived by illegal businesses. Low-priced LED lamps are more likely to be manufactured with inferior materials and rough craftsmanship. Not only are they not guaranteed in terms of safety, but the product quality is even more doubtful. Therefore, when consumers choose LED lights, they must be aware of the product parameters and product quality and don’t be greedy for cheap.
When you buy LED downlights and other lighting fixtures, you may be attracted by the appearance and price of LED lamps. The key point of choosing LED downlights and other lamps is being ignored by your “outer”…… Then In terms of materials, craftsmanship, and safety, you should pay more attention to it, and you are responsible for yourself, your family, and customers!