The embodiment of the invention provides a vehicle-mounted projection lens, a vehicle-mounted visual auxiliary system and a vehicle. Wherein the vehicle-mounted projection lens comprises a front lens group, a diaphragm and a rear lens group from an object space to an image space along the same optical axis; the front lens group comprises a first lens, a second lens and a third lens which are arranged in sequence, the rear lens group comprises a fourth lens, a fifth lens and a sixth lens which are arranged in sequence, and the diaphragm is located between the third lens and the fourth lens; the first lens and the sixth lens are plastic high-order aspheric lenses; the third lens, the fourth lens and the fifth lens are glass spherical lenses. According to the vehicle-mounted projection lens provided by the embodiment of the invention, the number of used lenses is small, and the temperature resistance is good.
本申请实施例提供了一种车载投影镜头、车载视觉辅助系统及车辆;其中,所述车载投影镜头由物方至像方沿同一光轴包括前透镜组、光阑及后透镜组;所述前透镜组包括依次设置的第一透镜、第二透镜及第三透镜,所述后透镜组包括依次设置的第四透镜、第五透镜及第六透镜,且所述光阑位于所述第三透镜与所述第四透镜之间;所述第一透镜及所述第六透镜为塑料高次非球面透镜;所述第三透镜、所述第四透镜及所述第五透镜为玻璃球面透镜。本申请实施例提供的车载投影镜头中使用的镜片数量少,且耐温性能好。
Vehicle-mounted projection lens, vehicle-mounted visual auxiliary system and vehicle
车载投影镜头、车载视觉辅助系统及车辆
2024-03-05
Patent
Electronic Resource
Chinese
IPC: | G02B Optische Elemente, Systeme oder Geräte , OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS / B60K Anordnung oder Einbau von Antriebseinheiten oder von Kraft- bzw. Drehmomentübertragungen in Fahrzeugen , ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES / B60R Fahrzeuge, Fahrzeugausstattung oder Fahrzeugteile, soweit nicht anderweitig vorgesehen , VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR / G03B APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM , Geräte oder Anordnungen zum Aufnehmen, Projizieren oder Betrachten von Fotografien |
Vehicle-mounted projection lens, vehicle-mounted visual auxiliary system and vehicle
European Patent Office | 2024
|European Patent Office | 2024
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