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        VDI Glass was established in March, 2016. The company has been committed to the large-scale production of smart glass. It took the company five years and over 200 million yuans to build a pilot line in the city of Hefei, capable of manufacturing large-size electrochromic glass. VDI adopts the latest sputtering coating process and the inorganic color-changing materials. The resulting products have been proven in the US market, with high reliability, a wide light-and-heat regulation range, and excellent energy savings.

        In order to meet huge demand in China’s domestic market, VDI Glass started to build a mass-production line in Bengbu in early 2021, which went to production in May, 2022. This plant manufactures electrochromic glass for the building applications. Its annual output is 40,000 square meters and maximum glass size is 3.0 x 1.2 meters. Since then, the company has successfully completed a dozen of construction projects. VDI Glass has now become the second supplier, after Saint-Gobain’s Sage Glass, to sell electrochromic glass for construction in China.


For information or inquiry, please contact:

Email: sales@vdiglass.com

Telephone: +86 0552-2053813

Website: www.vdiglass.com

        Inorganic electrochromic technology, also known as all-solid-state technology, uses the electrochemical phenomenon that tungsten oxide changes color when it encounters lithium ions. The facade glass developed from this technology has a wide tuning range for the visible and infrared spectrum of solar radiation, and can save up to 30% of energy. Inorganic electrochromic technology started early. After 30 years of industrialization and spending billions of dollars, it now becomes a mature smart glass product worldwide, with a dominating market share in the smart facade applications.

        VDI smart glass is consist of three panes of glass: an outer pane of tempered glass, an electrochromic sheet, and an inner pane of tempered glass. The electrochromic sheet is glued to the inner surface of the outer pane. The outer and inner panes of glass are then sealed together to form a hollow structure with argon gas backfill. VDI's electrochromic sheet adopts inorganic dry-processing technology, having a multi-layer structure: glass substrate, transparent electrode, tungsten oxide layer, ion conduction layer, ion storage layer, and transparent electrode. When a DC voltage of about 1volt is applied between the two transparent electrodes, the lithium ions in the ion storage layer are drawn out, pass through the ion conductor layer, and enter the tungsten oxide layer, resulting coloration. When a reverse voltage is applied, the lithium ions in the tungsten oxide layer are drawn out and then enter the storage layer, and the entire device returns to its original state of transparency.

Glass structure: two-pane single cavity; available shape: rectangle, triangle, quadrilateral
Glass size:
       1400mm x 1100mm (recommended)

       2800mm x 1100mm (recommended)

       3000mm x 1500mm (max)

       Contact VDI for other customized sizes: the unit price is related to the shear rate.

Glass thickness: the total thickness of insulating glass is 20-60mm, and the thickness of single glass is 4, 5, 6, 8, 10, 12mm
Encapsulation gas: Argon
Initial gas content: 95%
Sealing strip: TPS long-life warm edge strip
Ambient temperature: -20 to 40 degrees Celsius
Operating temperature: -20 to 90 degrees Celsius
Operating voltage: DC-3~3V
Operating energy consumption: 0.6W/m2
Color: Amber in transparent state, gray-blue in tinted state
Visible light transmittance: 2~56%
Shading coefficient: 0.09~0.5
Color changing time: 20 minutes (related to glass size)
Color uniformity: <1.5

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“智慧盒子”呼之欲开 智能玻璃锦上添花

发布时间:2023-08-28 02:11阅读次数:


83占地70亩,总建筑面积5万平方米的合肥科技馆内人潮涌动大小朋友前来探寻宇宙奥秘,了解文明发展,体验科技知识,感受科学魅力。这一天标志着合肥科技馆已经进入人流压力测试的试运行阶段。

新馆从远处望去,缓缓升起的绿坡与穿插其中的4个盒子状建筑错落有致,被市民亲切称之为智慧盒子”。

自然、科学技术的博览逻辑,造就合肥科技馆在体验式布展和功能布展等方面,采用了大量的创新元素其中EC玻璃在国内科技馆建设中首次使用,功能性地威迪智能玻璃有限公司生产的1099mm×1984 mm大尺寸EC玻璃植入建筑幕墙,就是有力的例证。

EC玻璃的特点在于,通过对科技馆幕墙玻璃的智能控制,实现既调光调热的神奇功能

在热调控方面,EC玻璃的遮阳系数可以在0.60.07之间无极调节。进入夏季,调低遮阳系数,太阳光所产生的热量阻隔在馆外,减少直至免除馆内空调制冷的能耗。进入冬季调高遮阳系数,太阳光所产生的热量进入内,减少直至免除空调制暖的能耗通过对玻璃的智能调控,夏天不晒,冬天晒太阳,真正实现馆内冬暖夏凉既保证观景的通透性,又消除了临窗的阳光烧灼感,提升节能效率,优化体验效果。

在光调控方面,EC玻璃可以将可见光透射比62.3%0.8%之间无调节。当馆外光线过强时,调低透射比,阻隔多余光线,使室内下来馆外光线较弱,调高透射比,让阳光照进来,使馆内亮起来通过对玻璃的智能调控,可以使馆内光照强度始终保持在健康照度,同时降低灯具能耗,清除眩光,保护眼睛,防止疲劳,保障观众的身体健康和馆内的观景功能,优化科技馆的环境品质实现湖畔风光跟馆内场景的高度协调和完美统一。

科技馆是一个城市科技水平的前沿地。合肥科技馆成功应用EC玻璃的创举,无疑为自然科学技术博览逻辑锦上添花

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