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 is composed of a first lens and a second lens which are arranged in sequence, the rear lens group is composed of a third lens, a fourth lens and a fifth lens which are arranged in sequence, and the diaphragm is located between the second lens and the third lens; the first lens and the fifth lens are high-order aspheric plastic lenses, the focal power of the first lens is negative, and the focal power of the fifth lens is positive; the second lens, the third lens and the fourth lens are glass spherical lenses.
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;所述前透镜组由依次设置的第一透镜及第二透镜组成,所述后透镜组由依次设置的第三透镜、第四透镜及第五透镜组成,所述光阑位于所述第二透镜与所述第三透镜之间;所述第一透镜及所述第五透镜为高次非球面塑胶镜片,所述第一透镜的光焦度为负,所述第五透镜的光焦度为正;所述第二透镜、所述第三透镜及所述第四透镜为玻璃球面镜片。
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
2024-04-16
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 | 2023
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