From the aspect of appearance and function, lamps and lanterns can be mainly divided into chandelier, ceiling lamp, cover lamp, spotlight, fluorescent lamp, desk lamp and so on.

Chandeliers generally have two types of single-head pendants and multiple pendants. Single-head pendants are more suitable for kitchens and restaurants, while multi-head pendants are more suitable for living rooms. Chandeliers generally have milky shades. There are two kinds of lampshades, one is the lamp down, the light can directly shine indoors, the light is bright. The other is with the lamp's mouth upwards. The light is projected onto the ceiling and reflected into the room. The light is soft.

There are many styles of chandelier. Single-head chandelier, such as milky-ball lampshade, flowerpot lampshade, elegant and bright, colorful. The long chandelier is generally a flower shape with a wide variety of colors. There are more than one layer and multiple layers. There are many different styles. When purchasing, it is necessary not only to pay attention to the appearance and elegance, but also to proceed from the actual situation, taking into account the overall style of the room and the factors such as the safe use of electricity, and careful selection.

Ceiling light, also called ceiling light, belongs to low-grade lamps and is usually mounted directly on the ceiling. For aisles, corridors, balconies, toilets and other places. Shades generally have two kinds of milk glass and PS plate. Various shapes, such as rectangular, square, round, spherical, cylindrical, etc., the inside of the light source are incandescent lamps, energy-saving lamps, lamps, and so on, a wide variety, and so on. Its characteristics are more popular and economical.

As the name suggests, the cover lamp uses a lampshade to cover the light and then projects it fixedly within a certain area. Generally used in ceilings, headboards, and cabinets. Can be hung, can also be landing. In style, there are a variety of barrel, tube, flower pot, concave trough and down light wall lamp. Use a variety of ways, you can light, you can also create special light effects. Under normal circumstances, the wattage should not be too large, it is easier to create a soft indoor environment.

There are many types of spotlights, which are used to create effects and decorate the atmosphere. Colors are white, beige, light gray, gold, silver, black and other colors; shape has a long, round, size specifications. Because of its exquisite shape, it is very decorative. Therefore, in general, many combinations are placed in a more decorative place, reflecting the master's exquisite life and unique taste from the details. In the choice of time in the appearance of the grade and the resulting light and shadow effect, because it is a typical decorative lighting, brightness can not be considered too much.

Fluorescent lamps, also known as fluorescent lamps, are very versatile. There are also pillars, rings, U-shaped, and other shapes. Its greatest feature is light, energy saving, scattering, and shadowless. It is a typical lighting fixture that has a poor decorative effect. Therefore, you should pay more attention to the lighting effect when you choose to buy.

Finally introduce the desk lamp. Desk lamps are often used in bedside tables, writing desks, etc. There are generally two kinds of table lamps and desk lamps for writing. The former is more decorative and the latter is more important. Therefore, when you buy a desk lamp, you should pay attention to this difference. Consider what your purpose is to buy a table lamp. If you focus on decorating a room, you can focus on the table lamp for the process. If you focus on writing, then consider using a table lamp as your key consideration. Object.

Lighting above describes the classification and style of lamps. Next from the lamp's most primitive role - lighting to talk about the choice of lamps.

In addition to the decorative effect of the luminaires, a fundamental purpose of our purchase of luminaires is still for interior lighting. Many people think that since the lighting is used for lighting, it must be brighter and better. Actually, there is a certain relationship between the area of ​​the interior space and the brightness of the lamps. Too bright and too dark will cause harm to the eyes, and it is also not cost-effective from the perspective of saving electricity.

Single consideration of lighting effects, regardless of other factors such as manufacturing atmosphere, room space area (m2) lighting wattage room area (m2) 15-18 30-40 45-50 60-70 75-80 lighting wattage 60- 80 watts 100-150 watts 220-280 watts 300-350 watts 400-450 watts.

Materials In addition to lighting factors, the materials used to make lamps are also a key consideration, as this may directly affect the life of the lamp. There are many materials for making lamps. Generally, there may be metals, plastics, glass, ceramics, etc. Metals generally have long service life, corrosion resistance, and aging. Like the more fashionable iron lamps, their service life is very long, but it may be due to time. Too long and outdated. Metal parts on general lighting, such as screws, etc., may be slowly oxidized and generally used for about 5 years. Plastic luminaires use a shorter time, aging faster, easily deformed by heat. When installing, special attention should be paid to the firmness of the components such as the base bracket. Glass and ceramic lighting generally have a long service life.

Safe moisture-proof measures The stove headlights of toilets, bathrooms and kitchens need to be equipped with moisture-proof lamp shades so as not to allow moisture to infiltrate. Corrosion damage or short-circuit will occur as soon as possible. Now there is a special moisture-proof bathroom light on the market, which is safer.

Lighting is the eyes of furniture. In the modern home decoration, the function of the lamp is not only limited to lighting, but more often it plays a decorative role. Therefore, the choice of lamps must be much more complicated. It not only involves safety and power saving, but also involves many factors such as material, type, style and taste. A good lighting may be the soul of a home decoration. It will make your living room or bedroom bright and radiant, adding a touch of warmth and fun. Therefore, lighting choices become very important in home decoration.

Lighting Brand NVC Lighting Decorative Lighting Glass Bedding Decoration Living Room Decoration Style Flower Pot Toilet Door Cabinet Door Craft Glass Home Cabinet Glass Furniture Bedside Wall Lamp Kitchen Cabinet Door White Furniture Glass Door Lantern Kitchen Glass Sliding Door Bathroom Door Dimensions Integral Bathroom Bathroom Door Bathroom Size Dining Room Furniture Bedroom Bedroom Lights Bedroom Lighting

Other Parts

The structure of the core barrel is generally divided into single - acting double core tube and most of the fishing apparatus. The double tube section consists of an outer tube assembly and an inner tube assembly. The outer pipe assembly includes; The main structure and working principle of the cartridge stopper, cartridge chamber, stable joint outer pipe, diamond reamer and diamond bit are as follows:

(1) Spear structure is composed of spear head and recovery spring. When coring, the fishing device is lowered to the upper part of the inner tube assembly in the drill pipe, and the fishing hook grasps the fishing spear, lifts the fishing device up, picks up the recycling card barrel, and inwardly compressing the cartridge card, so that the inner tube assembly and the outer tube are separated, so that the inner tube assembly is lifted up.

(2) The clip structure is mainly composed of the clip frame, clip, spring and other components. Its function is that when the inner tube sits on the outer tube, the clip expands with the help of the elastic force of the expansion spring and sticks to the inner wall of the clip chamber, so that the drilling tool can achieve positioning.

(3) Buffer structure by spring, locking mother, split pin composition. Protecting the inner tube when pulling the core.

(4) Single action structure is realized by two pairs of thrust bearings.

(5) Adjust the length of the inner pipe assembly and the outer pipe assembly of the structure, and fine-tune the lower shaft and the locking mother to achieve the gap required by the end of the spring seat and the step inside the drill bit.

(6) The fishing structure, also known as the fishing device, is mainly composed of fishing hook, hammer and safety rope. The fishing hook is used to hold the spearhead while fishing the inner pipe, and the weight is used to speed up the fishing device's descent to save fishing time. The safety rope is a thin rope. When the inner pipe is stuck for some reason and cannot be lifted, the safety rope can be forcefully lifted and then the drill can be lifted.

Other Parts,Spearhead Base,Compression Spin,Core Lifter

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