The invention relates to a front windshield, a manufacturing method of the front windshield and a vehicle, and the front windshield comprises an outer glass layer, a first glass layer and a second glass layer, the inner-layer glass is provided with a third surface and a fourth surface which are oppositely arranged; the thermoplastic middle layer is clamped between the second surface and the third surface; the front windshield is provided with a first weakening area, an adult head-shaped impactor is adopted to test the first weakening area according to the standard GB24550, the adult head-shaped impactor impacts the first weakening area to enable the first weakening area to be broken, and the adult head-shaped impactor impacts the instrument desk after the adult head-shaped impactor breaks in the first weakening area; the adult head-shaped impactor has a first speed V1 when making contact with the first surface of the first weakening area, the adult head-shaped impactor has a second speed V2 when breaking on the fourth surface of the first weakening area, and V1 and V2 meet the conditions that V1 is equal to 11.1 +/-0.2 m/s, and V1-V2 is equal to 0.3-2.2 m/s. According to the front windshield, the manufacturing method of the front windshield and the vehicle, the overall damage caused by collision between pedestrians and the windshield can be effectively reduced.
本申请涉及一种前挡风玻璃及其制造方法、车辆,包括:外层玻璃,具有相对设置的第一表面和第二表面;内层玻璃,具有相对设置的第三表面和第四表面;以及热塑性中间层,夹设在第二表面和第三表面之间;前挡风玻璃具有第一弱化区,根据标准GB24550采用成人头型冲击器对第一弱化区进行测试,将成人头型冲击器冲击第一弱化区以使第一弱化区破裂,成人头型冲击器在第一弱化区破裂后冲击仪表台;成人头型冲击器在与第一弱化区的第一表面接触时具有第一速度V1,成人头型冲击器在第一弱化区的第四表面破裂时具有第二速度V2,V1与V2满足:V1=11.1±0.2m/s,V1‑V2=0.3~2.2m/s。本申请的前挡风玻璃及其制造方法、车辆,能够有效地减少行人与挡风玻璃撞击受到的总体伤害。
Front windshield, manufacturing method thereof and vehicle
前挡风玻璃及其制造方法、车辆
2024-01-26
Patent
Electronic Resource
Chinese
IPC: | B60J WINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILAR DEVICES FOR VEHICLES , Fenster, Windschutzscheiben und bewegbare Dächer, Türen oder Ähnliches für Fahrzeuge / B32B LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM , Schichtkörper, d.h. aus Ebenen oder gewölbten Schichten, z.B. mit zell- oder wabenförmiger Form, aufgebaute Erzeugnisse / B60R Fahrzeuge, Fahrzeugausstattung oder Fahrzeugteile, soweit nicht anderweitig vorgesehen , VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR / C03C Chemische Zusammensetzungen für Gläser, Glasuren oder Emails , CHEMICAL COMPOSITION OF GLASSES, GLAZES, OR VITREOUS ENAMELS |
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