与传统材料制作的车棚相比，膜结构车棚的篷布材质是膜结构，而膜材的特点是强度高、耐久性好、防火难燃、自洁性好，不受紫外线影响，使用寿命长。具有高透光率，透光率为13%,对热能反射率73%，热吸收量很少。同时，膜结构停车棚还具备以下优点：

Compared with the shed made of traditional materials, the tarpaulin material of the membrane structure shed is membrane structure, and the membrane material is characterized by high strength, good durability, fire resistance, self-cleaning, free from the influence of ultraviolet light, and long service life. It has high light transmittance, 13% light transmittance, 73% heat reflectivity, and little heat absorption. Meanwhile, the membrane structure parking shed also has the following advantages:

采光系数高照射到屋面的阳光以漫射光的形式透射到室内。膜结构停车棚从内部看，屋面成为一个接连的光明面，其强度因屋面与太阳的相对位置而改变。张力膜结构室内空司的采光系数（即室表里表面天然光日照程度之比）一般可高达10%;

The daylighting coefficient is high. The sunlight shining on the roof is transmitted indoors in the form of diffuse light. From the inside of the membrane structure parking shed, the roof becomes a continuous bright surface, and its strength changes due to the relative position of the roof and the sun. The daylighting coefficient (i.e. the ratio of natural light and sunlight on the surface of the interior and exterior of the room) of the indoor air conditioner with tension membrane structure can generally be as high as 10%;

而在传统修建中，光辉只能从有限的采光窗进入室内，其采光系数不到3%。即便在阴天，膜结构室内的光照程度也能够满足大多数活动的基础要求。没有眩光由于进入膜结构室内的透射光和反射光都是漫射光，不太可能出现眩光。但要考虑玻璃采光区的组织及遮阳以避免其直射光形成的眩光。

However, in the traditional building, the brilliance can only enter the room from the limited daylighting windows, and its daylighting coefficient is less than 3%. Even in overcast days, the lighting level in the membrane structure room can meet the basic requirements of most activities. There is no glare. Since the transmitted light and reflected light entering the membrane structure room are diffuse light, glare is unlikely to occur. However, the organization and shading of the glass lighting area shall be considered to avoid the glare caused by its direct light.

膜结构停车棚在室内人们对白色或米白色膜材会有很好的颜色感知，由于这两种颜色表现出对可见光具备线性光谱透射的特征。透射程度随透射光波长的增加而增加，这使得透射光比入射光略温暖。

In the film structure parking shed, people will have a good color perception of white or off white film materials indoors, because these two colors show the characteristics of linear spectral transmission to visible light. The degree of transmission increases with the increase of the wavelength of the transmitted light, which makes the transmitted light slightly warmer than the incident light.

济南停车棚厂家认为透射光谱与纤维及其特性、涂层的厚度以及附加面层有差，生产商应给出更多的详细信息。相对于涂覆PVc的聚酯纤维膜材，涂覆PTFE的玻璃纤维膜材的透射光谱。

Jinan parking shed manufacturer thinks that the transmission spectrum is different from the fiber and its characteristics, the thickness of the coating and the additional surface layer, and the manufacturer should give more details. The transmission spectrum of the PTFE coated glass fiber film is higher than that of the PVC coated polyester fiber film.

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