According to foreign websites, at the CES 2016 next month, a display vehicle from Continental will have a function of “changing the transparency of the window with one buttonâ€. The transparency of the window will change only when the button is pressed. It is called smart glass control by the mainland.
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This technology is achieved by changing the transparency of the glass after receiving an electronic control signal from the system through a special film built into the interior of the glass.
The built-in film can reduce the sun's radiation and thus insulate it, and it can also reduce the evaporation of moisture in the car when the air conditioner is running. The heat insulation effect can reduce the running time of the air conditioner in the car and can help to adjust the ambient temperature inside the car. Therefore, the mainland calculates that this technology can reduce carbon dioxide emissions, which is about 4 grams per kilometer, and slightly increase the electric vehicle. The mileage is expected to be around 5.5%.
Window transparency contrast after pressing the button
As for the existence of the film, the sunscreen can be laid off and the weight of the car is reduced. Car cloud bacteria do not agree with it, even if the weight of the film itself is negligible, the newly added electronic control unit and cable and wire have weight. of. The weight of the sun visor itself is not large, and the difference between this increase and decrease is almost negligible for a car.
This thin film technology is said to be ready for mass production. The reason why it can change the transparency of the window is the embedded particles. When the system is off and there is no power supply, these embedded particles are randomly distributed on the film, which can play the role of the common double-sided glass: it is black from the outside and the outside can not see the inside of the car. The situation, while looking from the inside out is normal. When the car is parked on the side of the road or in the underground parking lot, it can effectively prevent peeping by special professionals such as thieves.
When the control signal is received, after the system is powered up, the embedded particles will spontaneously align in the horizontal direction, making the glass transparent, and the light can be injected or emitted from both directions.
Although there is no information on how the specific transparency is controlled, the mainland said that it will continue to adjust the algorithm of the control system to make its control mechanism more intelligent, for example, based on some feedback and sensed information. To automatically adjust, change the lighting state, or automatically adjust the transparency according to the current environmental conditions to play a role in the auxiliary adjustment of the vehicle temperature.
Among the functions that have been implemented, because the control system is connected to the vehicle's own system, it can identify the car key, or the connected mobile phone (such as the mobile phone that can remotely control the vehicle), when the car key is sensed or the approaching vehicle is collected. , it can be adjusted automatically.
At this stage, if the film technology is to be used on all window glass, the cost is still too high for the vehicle. However, it is said that the application and technology development will be first implemented in the field of mobile consumer electronics, and the cost is expected to be reduced soon. It has been used on the interior and exterior rearview mirrors of vehicles to prevent reflections. For the application on large-area glass, there is another technical challenge at present, because on the large-area glass, the number of particles in the film is large, so it is required to have a numerical requirement for the energy supplied to the film in a short time. The above effects.
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