Decorative lighting design of buildings

When a building is in a busy area or a building with special meaning, it is often necessary to decorate lighting as an integral part of the architectural art. Decorative lighting in the building there are generally installed along the building contour string lights or neon lights, building facade lighting and building facade lighting etc.. Which form is mainly used by the construction profession.

1 string

String along the outline of a building equipped with lights, it is especially suitable for building pavilions, terraces and open halls with ethnic style, lays out the building of artistic style.

Have a fixed string and hanging type two.

Fixed the lantern lamp string, as shown in Figure 5 - 29 shows, the distance between the lamp is generally 600 mm, power saving for each lamp is 5W, can achieve satisfactory results. The base of the lamp is provided with an overflow hole, so the lampshade is not sealed, and the rain water can be discharged naturally.

Figure 5 - 29 fixed string

Four corner hanging string used in building not installing fixed position. Waterproof lamp hanging with wiring hanging on wire rope, as shown in Figure 5 - 30. Lamp spacing is generally 700 mm, from the ground below 3M is not allowed to install the lamp cap.

Note that figure 5 shows 29 string is only suitable for high buildings, if the building and using this string, looks relatively heavy, with a small bulb and lamp holder should show the appearance of concealment.

Figure 5 - 30 hanging string

2 red light

The laying of the buildings along the contour of neon lights, can get more beautiful effect, and compared with incandescent bulbs to save power, but need to installed neon transformer, the construction cost is higher, in the maintenance of more complex string. Therefore, the neon lighting contour less buildings, and for interior decoration or outdoor advertising lighting. Refer to table 5 - the reference data for the outer diameter, the electricity consumption and the required voltage of all kinds of neon lamps.

Table 5 - 19 reference data of the rainbow lamp

Color

Lamp diameter (mm).

Per meter of electricity (W)

Per meter of needed electricity wo (V)

Each variable instrument for tube length (m)

Red

15 - 16

12 - 13

9 - 10

7 - 7.5

Eleven point five

Fourteen

Seventeen point five

23.5

One thousand and three hundred

One thousand and five hundred

Two thousand

Two thousand and five hundred

9

Seven point five

Six

Four point five

Green or blue

15-16

12-13

9-10

7-7.5

Eight point four

Nine point five

Eleven

Fourteen

One thousand

One thousand and two hundred

One thousand and three hundred

One thousand and five hundred

Twelve point five

Eleven

Nine point five

Seven point five

White or yellow

15-16

12-13

Twenty-one

Twenty-six

Two thousand and four hundred

Three thousand

Five

Four

Note: the voltage of the transformer in the table shall be taken into account by 12000V, such as the voltage of the transformer, which can be increased or decreased in proportion to the length of the lamp tube, but shall not exceed 15000V

3 facade lighting

The illumination level of the building facade that needs to be illuminated is determined by the reflectivity of the wall material and the degree of light and shade of the surrounding environment, as shown in Table 5 - 18. Because the building facade lighting requires a more uniform illumination, appropriate shade and brightness contrast, so the installation location of the projection lamp must be determined according to the shape of the building and the surrounding environment.

For square or rectangular buildings, there should be a significant difference in brightness between the two adjacent facades of the building, so as to have a better sense of perspective. The arrangement of the projection light is shown in Figure 5 - 31, and there is an angle between the projection direction and the viewing direction. The incident light in the building facade angle should be less than 90o, with the features of the facade; deep concave part of the facade, the angle of desirable 0o 60o; even when the angle of elevation of 60o - 85o to be desirable; the facade structure details, the angle of 80O and 85o with desirable light scattering.

Figure 5 - - 31 square or rectangle while building light projection

Light beams can be used for low - rise buildings along the bottom of the building.

For high-rise buildings can be used in a number of narrow beam or beam light, along the bottom of the building, the shape of the plane layout, adjust the distribution of the beam in the face of uniform brightness.

When the building elevation, in order to avoid bland, only the light is very close to the facade, in order to produce light and shade effect.

With vertical lines of elevation, the light beam can be used in the light from the left and right sides of the building facade to highlight the vertical lines of the facade.

With horizontal lines of the facade, the light should not be too close to the facade, otherwise it will cause the beam to form a wide and deep shadow.

When the building has a convex or concave part, the light should not be too close, so as to avoid excessive shadow. If the light can not leave the facade of a certain distance, the small light source can be installed in the local bulge or recessed part, as a supplement to the light.