阅读说明：本技术 长条形多件式透镜组以及具有这样的透镜组的灯 (Elongated multi-piece lens assembly and lamp having such a lens assembly ) 是由 S·埃布内 于 2015-02-10 设计创作，主要内容包括：本发明涉及一种用于影响由照明装置(2)发出的光的灯(L)用长条形多件式透镜组(1),其包括具有第一纵轴(L2)的第一长条形光学元件(10)和至少一个沿光引导方向设于该第一光学元件(10)后面且与该第一光学元件(10)分开提供的具有第二纵轴(L3)的第二长条形光学元件(20),其中,至少第一光学元件(10)具有至少一个用于将照明装置(2)的光引导到透镜组(1)中的沿第一纵轴(L2)设置并限定的入光区(11),并且第二光学元件(20)为了透镜组(1)的光引导而在光学上与第一光学元件(10)相配合以使第一光学元件(10)的光引导继续下去。本发明还涉及一种灯(L),其具有多个照明装置(2)和根据本发明的长条形多件式透镜组(1),入光区(11、23、33、43)中的每一个在光学上没有以限定方式设置照明装置或者以限定方式设有一个或更多个照明装置(2)。(The invention relates to an elongate multi-part lens assembly (1) for a lamp (L) for influencing the light emitted by a lighting device (2), comprising a first elongated optical element (10) having a first longitudinal axis (L2) and at least one second elongated optical element (20) provided behind the first optical element (10) in the light guiding direction and provided separately from the first optical element (10) and having a second longitudinal axis (L3), wherein at least the first optical element (10) has at least one light entry region (11) arranged and defined along a first longitudinal axis (L2) for guiding light of the illumination device (2) into the lens group (1), and the second optical element (20) optically cooperates with the first optical element (10) for the light guidance of the lens group (1) in order to continue the light guidance of the first optical element (10). The invention also relates to a lamp (L) having a plurality of illumination devices (2) and an elongate multi-piece lens assembly (1) according to the invention, each of the light entry regions (11, 23, 33, 43) being optically provided without an illumination device in a defined manner or with one or more illumination devices (2) in a defined manner.)

1. An elongate multi-piece lens group (1) for a lamp (L) for influencing the light emitted by a lighting device (2), the elongate multi-piece lens group (1) comprising an elongate first optical element (10) having a first longitudinal axis (L2) and at least one elongate second optical element (20) having a second longitudinal axis (L3) which is arranged behind the first optical element (10) in the light guiding direction and is provided separately from the first optical element (10),

wherein at least the first optical element (10) has at least one light entry region (11) arranged and defined along the first longitudinal axis (L2) for guiding the light of the illumination device (2) into the lens group (1), and

wherein the second optical element (20) optically cooperates with the first optical element (10) for light guidance of the lens group (1) to continue the light guidance of the first optical element (10),

wherein the light entry region (23) of the second optical element (20) is at least partially in contact with the light exit region (14) of the first optical element (10).

2. The elongated multi-piece lens group (1) according to claim 1, the elongated multi-piece lens group (1) further comprising one or more further elongated optical elements (30, 40) each having a longitudinal axis (L4) provided at least in a light guiding direction behind the first optical element (10) and separately from the first optical element (10) and the second optical element (20), wherein the further optical elements (30, 40) optically cooperate for light guiding with the first optical element (10) and preferably the second optical element (20) and further optical elements (30, 40) to achieve a desired closed light guiding of the lens group (1).

3. An elongated multi-piece lens group (1) according to claim 1 or 2, wherein the longitudinal axes (L2, L3, L4) of the optical elements (10, 20, 30, 40), preferably of at least the first optical element (10) and the second optical element (20), are aligned parallel to each other, or wherein at least one of the longitudinal axes (L2, L3, L4), preferably one of the longitudinal axes (L4) of the other optical elements (30, 40), is aligned obliquely at a predetermined angle to this or the other longitudinal axis (L2, L3, L4), or transversely, in a plane perpendicular to the main light emission direction of the lens group (L).

4. The elongated multi-piece lens group (1) according to any of the preceding claims, wherein the light entry area (11, 23, 33, 43) is configured as a recess for accommodating the illumination device (2).

5. An elongated multi-piece lens group (1) according to any of the preceding claims, wherein the first optical element (10) has a grid or mesh (12) constituting the light entry areas (11), or the light entry areas (11) are arranged in a grid or mesh form, and each light entry area (11) may be provided with at least one lighting device (2).

6. The elongated multi-piece lens group (1) according to any one of the preceding claims, wherein the light entry region (11) is configured as an optical light influencing element, in particular a lens, or as a light influencing element.

7. The elongated multi-piece lens group (1) according to any one of the preceding claims, wherein at least the light entry region (23, 33, 43) of the optical element (10, 20, 30, 40), preferably of the second optical element (20) and of the further optical element (30, 40) is at least partially in contact with a light exit region (14, 24, 34, 44), preferably of a ground, of at least one of the further optical elements (10, 20, 30, 40), preferably of the optical elements (10, 20, 30, 40) arranged in front in the light guiding direction.

8. An elongated multi-piece lens stack (1) according to any one of the preceding claims, wherein the optical elements (10, 20, 30, 40) have connecting elements corresponding to each other mechanically for connecting and positioning the optical elements (10, 20, 30, 40) in a defined manner, wherein the connecting elements preferably have rails, pins and corresponding receiving elements.

9. An elongated multi-piece lens group (1) according to any of the preceding claims, wherein at least one of the optical elements (10, 20, 30, 40), preferably at least the second optical element (20), has a groove (21) extending in the longitudinal direction of the optical element (10, 20, 30, 40), preferably over the entire length, which groove (21) is intended to accommodate a further optical element (10, 20, 30, 40), preferably the first optical element (10).

10. An elongated multi-piece lens group (1) according to any one of the preceding claims, wherein at least one optical element, preferably the optical element (10, 20, 30, 40) which is the last in the light guiding direction, has a protective element (25) for protecting the illumination device (2) or a lamp (L) with the lens group (1), preferably integrally formed with the optical element (10, 20, 30, 40), wherein the protective element (25) preferably has a locking element (26) for mechanically connecting or fixing the lens group (1) or the lamp (L) with the lens group (1).

11. An elongated multi-piece lens group (1) according to any one of the preceding claims, wherein the optical elements (10, 20, 30, 40) are configured as linear lens elements, in particular as extruded lenses, lens arrays, in particular as plates with a plurality of discrete lenses or lens elements, grid elements or mesh elements, MPO plates or KOP plates, diffractive optics, free-form optics and/or diffusely scattering plates, wherein each optical element (10, 20, 30, 40) preferably has a complex geometry seen in cross-section.

12. A lamp (L) having a plurality of lighting devices (2) and an elongated multi-piece lens group (1) according to any one of the preceding claims, wherein each of the light entry areas (11, 23, 33, 43) is optically free of the lighting devices (2) or is provided with one or more of the lighting devices (2) in a defined manner.

13. A lamp (L) according to claim 12, further having a housing (4) for accommodating the illumination device (2) and the lens group (1), wherein the lens group (1), preferably the elongated optical element (20, 30, 40) that is the last in the light guiding direction, forms a cover of the lamp (L) or the housing (4).

14. Lamp (L) according to claim 12 or 13, wherein the lighting device (2) is mounted on a preferably elongated plate (3), wherein preferably the first optical element (10, 20, 30, 40) is detachably or inseparably provided directly on the plate (3) or the housing (4).

15. Lamp (L) according to any of the claims 12 to 14, wherein the protection element (25) alone or in combination with the housing (4) or the plate (3) provides a chamber (I) closed spatially to the outside for protecting the lamp (L) or the lighting device (2), wherein the locking element (25) preferably cooperates with a corresponding locking element (26) of the lens set (1) or of the lamp (L) to mechanically connect or fix the lens set (1) or the lamp (L).

16. A lamp (L) according to any of the claims 12 to 15, wherein at least one optical element, preferably the optical element (10, 20, 30, 40) which is the last in the light guiding direction, is substantially exactly as long as the housing (4) or the lighting device (2) or the board (3) with the lighting device (2) seen in the direction of the longitudinal axis (L1) of the lens group (1).

17. A lamp (L) according to any of claims 12 to 16, wherein the lighting device (2) comprises a light emitting diode.