Plastic coated aluminum bulb
Before the advent of electric lamps, kerosene lamps or gas lamps were widely used as lighting tools. The lamp burns kerosene or gas, so it has strong black smoke and pungent odor, and it is inconvenient to add fuel and scrub the lampshade frequently. What's more, this kind of lamp is easy to cause fire and cause great disaster. For many years, many scientists have tried their best to invent a safe and convenient electric lamp.
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Plastic coated aluminum bulb
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| Product name | Shell material | Lamp cap specification | Input voltage (V) | Light source power (W) | Color temperature (K) | Color rendering index (CRI) | Number of pieces per box |
| LED bulb_ 3W_ Plastic coated aluminum_ Jinhao series | PC+plastic coated aluminum | E27/B22 | 220V | 3 | 6500K 3000K | > 80 | 100 |
| LED bulb_ 5W_ Plastic coated aluminum_ Jinhao series | PC+plastic coated aluminum | E27/B22 | 220V | 5 | 6500K 3000K | > 80 | 100 |
| LED bulb_ 8W_ Plastic coated aluminum_ Jinhao series | PC+plastic coated aluminum | E27/B22 | 220V | 8 | 6500K 3000K | > 80 | 100 |
| LED bulb_ 12W_ Plastic coated aluminum_ Jinhao series | PC+plastic coated aluminum | E27/B22 | 220V | 12 | 6500K 3000K | > 80 | 100 |
| LED bulb_ 16W_ Plastic coated aluminum_ Jinhao series | PC+plastic coated aluminum | E27/B22 | 220V | 16 | 6500K 3000K | > 80 | 40 |
| LED bulb_ 20W_ Plastic coated aluminum_ Jinhao series | PC+plastic coated aluminum | E27 | 220V | 20 | 6500 | > 80 | 30 |
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In the Zhou Dynasty, bronze and pottery were widely used, creating conditions for the emergence of oil lamps. During the Spring and Autumn Period and the Warring States Period, oil lamps for lighting began to appear. Beans were the tools used for lighting at that time. They were made according to the shape of beans, the food utensil at that time. At that time, people used soybean fat as fuel, put it in a small pottery bowl, put a wick on it, and lit it.
"This is the 'bean' in the Spring and Autumn Period and the Warring States Period, which is the predecessor of the lamp." Qing Liejun explained while playing. In the Stone Age, people learned how to use fire for heating, cooking, controlling animals, and lighting. According to the unearthed oracle bone inscriptions, as early as the Yin and Shang Dynasties, humans used turpentine torches for lighting.
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The ancients called "stirrup" a lamp, which should be a borrowed word. Bean, a kind of food vessel in the Shang and Zhou Dynasties, was used to hold pickles, meat paste, etc. It was also an ancient ritual vessel, mostly made of bronze and pottery tiles. Pottery beans are the earliest lamps that can be seen. In the tombs of the Warring States Period, you can see a kind of thin handle pottery beans with a * shaped protrusion at the bottom and the center that can be inserted into the wick. It was the lighting appliance at that time, and also one of the main forms of lamps in ancient China.
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The earliest existing torch lamps in China came from the Warring States Period. In the Songs of Chu, there is a record that "Lan Gao lights candles, but Hua Dou is wrong", indicating that the name "Dou" appeared in the Warring States Period. In the Zhou Dynasty, "stirrup" and "deng" were in common use. Erya Shiqi: "pigeonpea is the bean, bamboo bean is the bean, and tile bean is the deng." Xu Xuan said: Don't make a lamp today. It's not true. Guo Puyun of the Jin Dynasty: ritual vessels.
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