Hermes in the Window World: One Window=One Square Meter House? Revealing Several Cold Knowledge of Smart Doors and Windows

"Isn't it just a glass frame?" When you were still thinking this way, someone had already bought a one-square-meter house in the county town at the price of a window. From the same bulletproof glass as the royal family to the smart window that can "breathe", this seemingly traditional industry is staging a technological revolution.

01 "Transparent City Wall" that cannot be penetrated by the same bulletproof window sniper rifle in the royal family

When replacing windows at Buckingham Palace in London, the construction team accidentally discovered that these seemingly ordinary glasses had hidden secrets: polycarbonate and PVB films were hidden in the 12.7mm composite interlayer, which was enough to withstand 7.62mm rifle bullets. Now this technology has been civilized. The "bank-grade security window" launched by a Swiss brand successfully resisted the explosive shock wave of 15 kg of TNT equivalent in the test.
*Cold knowledge: The metal frame of advanced bulletproof windows can be demagnetized and can block the signal of eavesdropping equipment

02 Smart windows that can "breathe" know better about breathing than fresh air system

An ecological window developed by a technology company in Milan, where thousands of 0.3mm microporous channels are hidden in the window frame. By imitating the aerodynamics of the honeycomb structure, a whole-house ventilation can be achieved without opening the windows. The built-in electrostatic filter has an efficiency of up to 98% for PM2.5. What's even more amazing is its humidity adjustment function. In the actual test in Barcelona, it can stabilize indoor humidity in the golden range of 45%-55% all year round.

03 The 24K gold in the window frame is not a show of wealth but a necessity

In the high-end series of a century-old German brand, the window frame skeleton adopts 24K gold plating process. This is not a luxury decoration - gold has excellent conductivity and corrosion resistance, which can ensure stable operation of smart sensing systems in extreme weather. The gold content of each extended meter window frame is about 1.2 grams, and the cost of this part of the material alone is more than 5,000 yuan.

04 The sound "eraser" turns the airport into a library

In a residential area near Tokyo Haneda Airport, a Japanese brand's soundproof window created a miracle of 90 decibels to 35 decibels. The secret lies in the special resin intermediate film in three-layer laminated glass. This source is a material from submarine sonar technology that can convert sound wave energy into thermal energy. Tests show that when such windows are installed, the indoor noise is lighter than the humming sound of turning off the refrigerator.

05 "Energy Black Hole" with warm winter and cool summer

Vacuum glass developed by a Norwegian laboratory has an insulation performance equivalent to a granite wall of 1 meter thick. Its U value (heat transfer coefficient) is as low as 0.3W/(m²·K), which means that in the extreme cold of minus 30℃, the palm of your hand can't feel the coldness for 10 minutes. According to actual tests by the owner of a villa in Beijing, the winter heating fee has been reduced by 62% after installation.
While ordinary windows are still comparing the thickness of profiles, high-end players have already opened up in the fields of nano coating, climate adaptation, photovoltaic power generation, etc. After all, for a real mansion, windows are no longer lighting tools, but building temperature regulators, security last line of defense, and the most expensive "air filters".

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