light color and color rendering of restaurant lighting

From the perspective of indoor lighting design, low color temperature light source should be used in low illumination space, and higher color temperature light source should be used with the improvement of illumination, otherwise it will produce a sultry feeling. However, in the lighting design of restaurants, regardless of the level of illumination, low color temperature light sources should be selected (restaurants with mixed lighting can use high color temperature general lighting and low color temperature local lighting together). This is because in the process of human evolution, we have become accustomed to producing labor in white and bright light, and under this condition, we have formed a body mechanism of high-frequency breathing and heartbeat. On the contrary, at night, people are used to sitting around a warm bonfire to communicate and rest. At this time, people will be in a low-frequency breathing, relaxed and comfortable body mechanism. But most restaurants want to create a comfortable and warm dining environment. In order to adapt to the habits formed by human beings for a long time, we'd better choose warm light sources. In this way, not only will a warm and pleasant atmosphere be formed indoors, but the warm light overflowing from the transparent glass window will form a moving picture with the lively dining crowd, and it will also attract pedestrians on the road to eat. In contrast, restaurants that use white and cold white light sources give people a lonely and desolate impression.

of course, there is a range of choices for light sources with low color temperature. According to people's feelings about the light color of light sources, we can choose light sources with color temperature between 2111 and 4311 K.. Restaurants with different business strategies should carefully choose their own light source color. Some restaurants for mass consumption initially used warm yellow fluorescent lamps. Compared with white light, low color temperature light sources did bring a high impression to the space, but the result was just the opposite. Restaurants neither patronized high-end customers, but also made low-consumption customers stay away. After accepting the suggestion, the dining atmosphere was changed by using 4111K (yellow white) light source, and the benefit of the restaurant gradually improved, and the choice of color temperature of the light source played a subtle role. It can be seen that the more advanced restaurants should use low color temperature lighting, while fast food restaurants and middle and low-end restaurants can use low color temperature lighting. In addition, you can choose different light sources according to the materials and colors of indoor furnishings. For example, if the ceiling decorated with wood is lit by warm yellow ceiling lamps with a temperature of 2511-3111 K, the warm characteristics of wood can be fully demonstrated. In addition, restaurants with traditional decorative styles should use warm yellow light sources, which can further render the nostalgic atmosphere in the room. For some fast-food restaurants with modern design style and facing young people, it is best to choose 4111-4311 K light source, which not only meets the requirements of restaurant lighting design, but also makes the space bright and light, giving people a sense of modern fashion.

besides the light color of the light source, its color rendering is another important indicator of indoor lighting design. In order to make the color of food and beverage realistic, we should choose a light source with high color rendering index. According to the Design Standard for Building Lighting, the color rendering index Ra of indoor lighting sources in catering buildings should be no less than 81. Therefore, tricolor fluorescent lamps (including energy-saving lamps) with high color rendering are used for local lighting near the dining table. In warm lighting environment with high Ra value, food (such as meat and vegetables) is more fresh and attractive than in sunlight.

Selection and layout of dining room lamps

The final effect of lighting design is to be achieved by lighting lamps, which are also an important part of indoor furnishings. Generally speaking, the lamps commonly used in restaurants include: table lamps, chandeliers, wall lamps, downlights, grid fluorescent lamps and reflective lamp slots.

table lamps and wall lamps are generally used as supplementary lighting for atmosphere lighting or general lighting. In many theme restaurants, in order to avoid dull single lighting, several desk lamps or wall lamps are often added to the overall lighting to supplement the lack of illumination on the countertop and enrich the level of space. However, due to the low position of these two lamps, it is necessary to do a good job of shading the lamps to avoid glare in people's sight.

chandeliers are often used in large restaurants and high-grade banquet halls. Because of its extensive lighting, it is mainly used for general lighting. Its biggest feature is that it is located in the center of the indoor space of the restaurant. In addition, it is the brightest object in the space, so it is often the center of people's vision. Its shape and style largely determine the taste and grade of the restaurant. For example, some banquet halls use gorgeous crystal chandeliers to show aristocratic temperament. Some restaurants with the theme of ocean specially designed fish-shaped chandeliers to express their design ideas. In some restaurants that use downlights or fluorescent lamps as general lighting, chandeliers can also be used as supplementary lighting. At this time, the size of the chandelier above the dining table is related to the size of the dining table. Along the longitudinal length of the dining table, according to the lamp number ratio, the size of the chandelier should not be greater than 1/3 of this length. The installation height of the chandelier is about 61 cm above the dining table.

downlight is a kind of lamp with small caliber and embedded in the ceiling. Its biggest feature is its simple appearance and strong concealment, which is not easy to attract people's attention. In the dining room lighting, it can be used alone to get good overall lighting, or it can be combined with the downlight along the wall and the fluorescent lamp in the middle to illuminate the dining room as a whole. At this time, not only uniform overall lighting can be obtained, but also the lighting of decorative walls can be strengthened.

grid fluorescent lamp tray is an indispensable lighting fixture for restaurants with high illumination requirements, and it has become the first choice for all kinds of fast-food restaurants and middle and low-end restaurants because of its high lighting efficiency and economy.

At present, there is another popular method, namely reflective lamp trough, which indirectly illuminates the dining room by reflecting light. Its biggest feature is that there will be no obvious shadows on the dining table, thus creating a good dining visual effect. Generally speaking, we should choose lamps according to the characteristics of the lighting design of restaurants, but no matter which kind of lamps we choose, we should make the style of lamps consistent with the indoor furnishings, which is best to arouse people's delicious appetite.