Intelligent windscreen
A windshield, intelligent technology, applied in windshields, windows, bumpers, etc., can solve the problems of inconvenience and general thermal conductivity of windshields, and achieve the effect of prolonging the impact time.
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Embodiment 1
[0029] Such as figure 1 As shown, in this embodiment, a smart windshield, the energy-absorbing structure 1 is made of polyurethane first, and then polyester resin is filled into the energy-absorbing structure 1 as a filler 2, and polyvinyl chloride is used as a polymer material The encapsulation layer 3 is used for encapsulation, and finally the encapsulated energy-absorbing structure 1 is placed in the windshield 4 with an interlayer space.
[0030] Such as image 3 Shown is the stress comparison diagram of the smart windshield and the ordinary windshield when it is hit. It can be seen from the figure that the maximum acceleration of the smart windshield is only 60% to 70% of that of the ordinary windshield, that is, when a collision occurs, the maximum impact force received is reduced by about 30% to 40%. It can be seen that the smart windshield can played a huge protective role. At the same time, the windshield can also prolong the time of the stress wave, thereby reduci...
Embodiment 2
[0032] Such as figure 1 As shown, a smart windshield in this embodiment first uses silica gel to make an energy-absorbing structure 1, then fills the energy-absorbing structure 1 with a fiber composite phase change material as a filler 2, and uses polyethylene material as a polymer The material encapsulation layer 3 is used for encapsulation, and finally the encapsulated energy-absorbing structure is placed in the windshield 4 with interlayer space.
[0033] The fiber composite phase change material will react to the phase change of the ambient temperature. When the ambient temperature exceeds 25°C (the comfortable temperature of the human body is between 21 and 24°C), the thermal conductivity of the fiber composite phase change material will deteriorate, especially in summer. Day, the deterioration of thermal conductivity will effectively prevent the external heat transfer.
Embodiment 3
[0035] Such as figure 1 As shown, in this embodiment, a smart windshield, the energy-absorbing structure 1 is made of silica gel, and then the photosensitive resin is filled into the energy-absorbing structure 1 as the filler 2, and the polyurethane material is used as the polymer material encapsulation layer 3 Encapsulation is performed, and finally the encapsulated energy-absorbing structure 1 is placed in the windshield 4 with interlayer space.
[0036] Photosensitive resin can absorb light energy. Under different light intensities, its thermal conductivity will change. For example, in summer, when the ultraviolet rays are strong, the thermal conductivity of photosensitive resin will deteriorate, preventing heat exchange, and can effectively prevent the car The temperature inside the car rises sharply due to exposure to the hot sun.
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