Style classification:? Modern desk lamp, antique desk lamp, European desk lamp, Chinese desk lamp, Japanese desk lamp, Korean desk lamp, American desk lamp.
Material classification includes: metal desk lamp, resin desk lamp, glass desk lamp, crystal desk lamp, solid wood desk lamp, ceramic desk lamp, acrylic desk lamp and marble desk lamp.
Functional classification includes: reading desk lamp, decorative desk lamp and portable desk lamp.
Table lamp is the most common electrical appliance in our life, which plays a decorative role in the family, and it is even more inseparable for students. Learning artifacts, we usually see a variety of table lamps, and the price of table lamps is often different. Let's find out the price of table lamps that we are familiar with every day.
Five principles of led table lamp lighting
When enjoying modern lighting, avoid the influence of bad lighting on human health. Experts suggest that when indoor lighting must be used, five principles of lighting should be mastered:
1, widely used lighting, the light should illuminate the whole desktop, not at one point;
2, the use of uniform lighting, each part of the illumination should be consistent;
3, keep stable lighting, light source should not be too dark or flashing, it is easy to eye fatigue;
4. Keep sufficient lighting;
Finally, be careful not to let the light shine directly on your eyes, which will make your eyes uncomfortable.
Table lamp price
Relatively speaking, FPC can be divided into two types: calendered copper and coated copper. Copper plating is cheaper, and calendered copper is more expensive.
Compared with patents, those with patents are more expensive and those without patents are cheaper.
Generally, the patent price is above 100 yuan. For example, Philips learning eye protection lights are between 100~300 yuan. The price of Guanya eye protection desk lamp is between 150~400. The price of Xinxing eye protection desk lamp is below 100. Integrated led eye protection desk lamp 100 (no patent desk lamp).
Fei Sen modern simple price is between 100~200. The price of modern fashion is between 200 and 300.
The price of Guanya decorative desk lamp is between 100~200.
The price of Xinxing eye protection decorative desk lamp is between 100~200.
The price of flash decorative desk lamp is between 150~300.
The price of comprehensive brand decorative desk lamp is below 150.
The price of touch-sensitive desk lamp is between 30 and 60, the price of rechargeable folding desk lamp with switch is between 15-30, and the price of creative portable desk lamp is between 30 and 50. Suitable for students, learning lighting is easy to carry, most of them are rechargeable, and it is more convenient to use.
In order to overcome the stroboscopic of 50hz fluorescent lamp, the high-frequency eye protection lamp uses the frequency of 40000 ~ 55000hz, which will inevitably bring electromagnetic radiation from high-frequency power supply. Environmental experts suggest that excessive electromagnetic radiation may cause palpitations, insomnia, leukopenia, memory loss, and even decreased immune function, and cause damage to the cardiovascular system and nervous system.
Life tips
★? When using lamps, you should have common sense of healthy lighting: for example, the best illumination for reading has a great relationship with age, and the illumination required by the elderly is 15 times that of children.
★? High-frequency eye protection lamp is electromagnetic radiation.