In order to block out the sun, but also in order to beautify the environment, many homes and public **** building used blinds. Of course, blinds also have thermal insulation, as well as blocking the window view and other roles. Blinds can be made of fabric, plastic, wood or metal, there are vertical and horizontal two blade arrangement form. The superiority of the blinds is that it can be adjusted flexibly according to the needs of indoor use and changes in the angle of sunlight. Can be all closed or sector closed, all open or sector open.

In the sunlight irradiation is strong, can be all closed, which is particularly advantageous for air-conditioned buildings; in the cool days or need to look into the distance, can be all open; in the need for departmental sunlight, but also to block the line of sight, you can make the light into the light; in the need for indirect sunlight, you can make the blade to reflect the sun, so that the light scattering into the room, so that the light is soft. Some blinds have exothermic surface and reflective surface of two different surfaces, winter daytime heat absorbing surface outward to absorb heat to progress room temperature, summer with reflective surface outward to block the sun. Intelligent blinds can also be automatically adjusted. It can be seen, as long as the production and use of blinds properly, you can create a quiet better indoor environment, and play a role in energy saving.

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