Car interior parts include dashboard, door inner panel, steering wheel, seat, roof, floor mat, sunshade and so on. The surface of the interior decoration should be smooth, wear-resistant, heat-resistant, low-reflective, sound-absorbing and masking, and it is not easy to volatilize toxic gases in direct sunlight. At present, the amount of plastic used in automobile interior parts has accounted for more than 50% of the plastic consumption of the whole vehicle. PP is used as the main raw material to make a new type of automobile dashboard, which not only has good comprehensive properties such as toughness, strength and appearance, but also reduces the automobile cost, so it is widely used on the automobile dashboard. Nearly half of the materials made by European companies for automotive dashboards use PP, and this trend will continue to grow.
The solar radiation through the transparent enclosure is an important reason for the increase of indoor temperature. The installation of external shading facilities at the transparent enclosure structure can effectively reduce the heat gain of radiation. The sunshine analysis was carried out by using Ecotect software, and the best sunshade angle and sunshade width were obtained. The influence of solar heat gain coefficient of wall on building energy consumption is analyzed by Equest, and the optimal solar heat coefficient is determined.
According to the management of medium-and long-term weather forecast, in case of continuous low temperature, the temperature of the mushroom house / shed should be kept above 8 °C ~ 10 °C. The main measures for heat preservation and warming include: thickening the roof cover at night; hanging blankets on doors; closing doors and windows for heat preservation in the morning and evening; opening doors and windows around noon in sunny days; opening only leeward vents for short-term ventilation in rainy and snowy weather; in cold or windy weather, close doors, windows and vents to prevent cold air from attacking. When the weather is fine, open the cover to increase the temperature of the light, when the light is strong, it is best to set up a sunshade net under the greenhouse film and above the bacterial stick to protect the light and heat. If there are heating facilities such as hot air stove, the temperature of the mushroom room / shed can be increased by heating, but attention should be paid to prevent the smoke from being discharged into the shed and cause poisoning. In addition, the ditch cleaning and drainage of the mushroom shed should also be done to reduce the humidity in the greenhouse in the rainy season and improve the mushroom quality.
Interior decoration is a decoration covering the interior of the car, which not only has aesthetics, but also bears a variety of functions. According to the product form, automobile interior parts can be divided into hard interior decoration and soft interior decoration. Hard interior parts mainly take injection molding as the core process, the main products include main and auxiliary dashboards, door panels and column guards, etc., while soft interior products mainly include sunshade panels, ceilings and main carpets.
Experts say that water shading should be used in the south and north directions of buildings; vertical shading should be used in northeast, north and northwest directions; comprehensive shading should be used in southeast and southwest directions; and baffle shading should be adopted in east and west directions. In architectural design, it is appropriate to combine exterior corridors, balconies and eaves to achieve sunshade in hot summer and warm winter areas, with long summer heat and strong solar radiation
The annual solar radiation analysis provides a basis for the design width of the outdoor terrace for self-shading of the building, and also becomes the basis for the use of external perforated aluminum sunshades to optimize and reduce solar thermal gain. These measures, together with double-layer insulated low-E glass, provide efficient shading and thermal insulation, ensuring adequate natural light throughout the building while reducing solar heat gain and energy consumption.
Sunshade as we all know, when we move forward towards the sun in the morning, put down the sunshade to block the too bright light, saying that this does not feel much surprise, then do you know it can still block the sun?