The lamp is one of the indispensable main objects of modern home lighting, and it is also a master of creating a home atmosphere. However, with the development of technical level, there are many brands and varieties of lamps on the market, which makes people dazzled and wonder how to choose. Let's learn about the selection guide for household lamps , I hope to help you.
1. Classification according to light source
Household lamps 1, incandescent lamps
The current of an incandescent lamp generates heat through the filament, and the spiral filament continuously gathers the heat to emit bright light. The higher the temperature of the filament, the brighter the light emitted.
Advantages: great versatility and rich color variety; with various forms such as orientation, scattering, and diffusion; can be used to enhance the three-dimensional sense of objects
Disadvantages: less environmentally friendly. 95% of the electrical energy is spent on heating, and only 5% of the electrical energy is truly converted into visible light; and it has fast thermal evaporation, short life, low color temperature, and is easily affected by vibration.
Household lamps 2. Fluorescent lamps
Fluorescent lamps are also called "fluorescent lamps", which are the lamps we often use. The tube contains argon gas, and also contains a few drops of mercury. The mercury atoms on the lamp tube absorb ultraviolet light from the fluorescent substance on the inner surface of the lamp tube and release visible light.
Advantages: fluorescent lamps are more energy-efficient. It consumes about 60% of the electrical energy that can be converted into ultraviolet light; while other energy is converted into thermal energy.
Disadvantages: The color rendering of fluorescent lamps is not as good as incandescent lamps; the lights will flicker, which will have a certain impact on human vision; in addition, there is mercury pollution in the production process and after use and disposal.
Household lamps 3. Energy-saving lamps
The principle of light emission is no different from that of fluorescent lamps. However, the volume of energy-saving lamps is relatively small, and the volume of electronic ballasts used is less, and the phenomenon of stroboscopic lightening is much reduced.
Advantages: high light efficiency, more than five times that of ordinary incandescent lamps; strong energy saving and long life, about eight times that of ordinary bulbs; also mentioned earlier, small size, easy to use.
Disadvantages: It will produce light decay, and the color rendering is low. Not only is it not beautiful to look at, but it is also harmful to health and vision.
Household lamps 4, LED lights
It is a solid-state semiconductor device that can directly convert electricity into light. LEDs are composed of P-type semiconductors and N-type semiconductors. When current is applied to the wafer through wires, electrons and holes are pushed into the electron trap, and then emit energy in the form of photons.
Advantages: small size, low power consumption, long life, non-toxic and environmentally friendly, it has been gradually used in household lighting for thousands of households.
Disadvantages: The price is a little expensive, and the heat treatment is not easy to decay.
Second, according to the classification of lamp installation
Household lamps 1, chandelier
Lamp characteristics: The chandelier is suitable for the living room. Chandeliers have the most patterns. Commonly used are European-style candlestick chandelier, Chinese chandelier, crystal chandelier, parchment chandelier, fashion chandelier, cone-shaped chandelier, pointed flat hood chandelier, corset chandelier, five-fork ball chandelier, magnolia hood Olive chandelier, etc. There are two types of single-head chandelier and multi-head chandelier for the living room. The former is mostly used in the bedroom and dining room; the latter should be installed in the living room. The lowest point of the installation height of the pendant lamp should be no less than 2.2 meters above the ground.
Purchase Tips: Consumers are better off choosing chandeliers that can install energy-saving lamp light sources. Do not choose a chandelier with a plating layer, because the plating layer is easy to fade after a long time. Choose a chandelier with all metal and glass inside and outside.
Consumers should not choose too cheap chandeliers. At present, a chandelier of about 200 yuan can have a certain quality guarantee, and the quality of a chandelier below 100 yuan is generally poor. Luxury chandeliers are generally suitable for duplex residences, and simple low-voltage lanterns are suitable for general residences.
Consumers are better to choose a pendant lamp with a sub-control switch, so that if the pendant lamp has more lamp heads, it can be partially lit.
Household lamps 2. Table lamps
Lamp characteristics: table lamps are divided into pottery lamps, wooden lamps, wrought iron lamps, copper lamps, etc. according to materials, eye protection lamps, decorative table lamps, work table lamps, etc. according to function, and bulbs, plug lamps, lamp bead lamps, etc.
Purchase skills: The selection of table lamps mainly depends on the quality and manufacturing process of electronic accessories. Generally, the quality of electronic accessories of small manufacturers' table lamps is poor, and the level of production technology is low. Therefore, consumers should choose table lamps produced by large manufacturers. Generally, decorative table lamps are used in living rooms and bedrooms, and energy-saving eye-protection table lamps are used for working tables and study tables. However, energy-saving lamps cannot be dimmed.
Household lamps 3. Ceiling lights
Lamp characteristics: The commonly used ceiling lamps are square hood ceiling lamps, ball ceiling lamps, pointed oblate ceiling lamps, semi-spherical ceiling lamps, semi-oblate ceiling lamps, small rectangular hood ceiling lamps, etc. Ceiling light is suitable for lighting in living room, bedroom, kitchen, bathroom and other places. Ceiling lights can be directly installed on the ceiling, easy to install, simple and elegant style, giving the space a clear and crisp feeling.
Purchase tips: There are generally ballasts and circular lamps in the ceiling lamps. The ballasts are inductive ballasts and electronic ballasts. Compared with inductive ballasts, electronic ballasts can improve lamps and systems. The light effect can start instantly and extend the life of the lamp. At the same time, it has a small temperature rise, no noise, small size, light weight, and power consumption is only 1/3 to 1/4 of inductive ballasts, so consumers should choose electronic ballast ceiling lights. There are halogen powder and three-base color powder in the circular lamp of the ceiling lamp. The three-color powder lamp has good color rendering, high luminosity and slow light decay; the halogen powder lamp has poor color rendering, low luminosity and fast light decay. Distinguish between halogen powder and three-color powder lamp, you can light two lamps at the same time, put your hands near the two lamps, you can find that the color of the halogen powder lamp is whitish and distorted under the light, and the three-color powder lamp is Natural skin.
There are two types of ceiling lamps with and without remote control. The ceiling lamp with remote control is convenient to switch and is suitable for use in the bedroom. The material of the lampshade of the ceiling lamp is generally plastic or plexiglass, and there are few glass lampshades now.
Household lamps 4. Floor lamps
Lamp characteristics: Floor lamps are often used as local lighting, not to mention comprehensiveness, but to emphasize the convenience of movement, it is very practical for the creation of corner atmosphere. If the lighting method of the floor lamp is direct downward projection, it is suitable for reading and other activities that require mental concentration. If it is indirect lighting, the overall light change can be adjusted. The bottom of the lampshade of the floor lamp should be more than 1.8 meters above the ground.
Purchase tips: Floor lamps are generally placed around the corner of the sofa. The lights of the floor lamps are soft. When watching TV at night, the effect is very good. The lampshade of the floor lamp has a variety of materials, and consumers can choose according to their own preferences. Many people like floor lamps with small countertops, because they can put fixed phones on small countertops.
Editor's conclusion: The above is an introduction to the selection guide for household lamps . It is said that the light source is the core of the lamp, and different light sources have different characteristics. In addition to choosing according to your own preferences and needs, everyone also needs to consider the price and the functionality.
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