Abstract
A wiper system for a LiDAR sensor includes a wiper lip having an elastic material. The wiper lip has a longitudinal extension direction. The wiper system includes two bars, the two bars configured to engage in two recesses and the wiper lip along the longitudinal extension direction. The wiper system further includes a limiting unit, which is configured to be pushed along the longitudinal extension direction onto the wiper lip to secure the two bars to the wiper lip. The wiper system also includes a connecting unit, which is configured to form a friction-locking and/or positive-locking connection with the two bars. The connecting unit is configured to arrange the wiper system on a cleaning system for the LiDAR sensor.
Claims
1. A wiper system (10) for a LiDAR sensor (200), comprising: a wiper lip (12) comprising an elastic material, wherein the wiper lip (12) has a longitudinal extension direction (14), wherein the wiper system comprises two bars (16), wherein the two bars (16) are adapted to engage in two recesses (18) and the wiper lip (12) along the longitudinal extension direction (14), wherein the wiper system (10) comprises a limiting unit (20) configured to be pushed onto the wiper lip (12) along the longitudinal extension direction (14) to secure the two bars (16) to the wiper lip (12), wherein the wiper system (10) further comprises a connecting unit (22) configured to form a frictional-locking and/or positive-locking connection with the two bars (16), wherein the connecting unit (22) is configured to arrange the wiper system (10) on a cleaning system (100) for the LiDAR sensor (200).
2. The wiper system (10) according to claim 1, wherein the two bars (16) comprise two tapers (24), wherein the connecting unit (22) is configured to suppress slippage between the connecting unit (22) and the wiper lip (12) along the longitudinal extension direction (14) through engagement of the connecting unit (22) with the tapers (24).
3. The wiper system (10) according to claim 1, wherein the connecting unit (22) comprises a U-shaped section (26), wherein the U-shaped section (26) and the two bars (16) are configured to provide the positive-locking and/or frictional-locking connection.
4. The wiper system (10) according to claim 3, wherein the connecting unit (22) comprises a phase (28) abutting the U-shaped portion (26) to assist in forming the frictional-locking and/or positive-locking connection.
5. The wiper system (10) according to claim 2, wherein the connecting unit (22) comprises a U-shaped section (26), wherein a length (30) of the two tapers (24) and a length (32) of the U-shaped section (26) are configured to define a degree of deflection of the wiper lip (12) to the connecting unit (22) when the wiper lip (12) is moved over the LiDAR sensor (200).
6. The wiper system (10) according to claim 1, wherein the two bars (16) each comprise a first hook element (34), wherein the limiting unit (20) comprises two second hook elements (36), wherein the two bars (16) form a snap connection between the two bars (16) and the limiting unit (20) by the first hook elements (34) and the second hook elements (36).
7. The wiper system (10) according to claim 6, wherein the limiting unit (20) has a U-shaped profile (38), wherein the U-shaped profile (38) is configured to guide at least one bar (16) to form the snap connection.
8. The wiper system (10) according to claim 1, wherein the limiting unit (20) comprises two pins (40) configured to engage in the two recesses (18) to form a frictional connection between the wiper lip (12) and the limiting unit (20).
9. The wiper system (10) according to claim 1, wherein the connecting unit (22) comprises two cut-outs (42), wherein a clip (44) is arranged in the two cut-outs (42), wherein the clip (44) is configured to form a frictional-locking and/or a positive-locking connection with the cleaning system (100).
10. The wiper system (10) according to claim 9, wherein the clip (44) has an opening width (46) that is larger than a diameter of a fastening location of the clip (44).
11. The wiper system (10) according to claim 9, wherein the clip (44) has an opening angle (48) between 20 and 30.
12. The wiper system (10) according to claim 9, wherein the clip (44) comprises two arms (50), wherein a peak width (52) of the arms (50) is less than a base width (54) of the arms (50).
13. The wiper system (10) according to claim 12, wherein the peak width (52) of the clip (44) and the base width (54) of the clip (44) are configured to create a resistance force for mounting the wiper system (10) between 3 and 20 N.
14. A cleaning system (100) for a LiDAR sensor (200) comprising a wiper system according to claim 1, wherein the cleaning system (100) is configured to move the wiper system (10) over a field of view (202) of the LiDAR sensor (200) in order to clean the field of view (202).
15. A vehicle (300) comprising a cleaning system (100) according to claim 14.
16. The wiper system (10) according to claim 10, wherein the clip (44) has an opening angle (48) between 20 and 30.
17. A vehicle (300) comprising a wiper system (10) according to claim 1.
Description
BRIEF DESCRIPTION OF THE DRAWINGS
[0033] In the following, exemplary embodiments of the invention are described in detail with reference to the accompanying drawings. The drawings show:
[0034] FIGS. 1 to 9 a wiper system according to one embodiment,
[0035] FIG. 10 a cleaning system according to one embodiment,
[0036] FIG. 11 a vehicle according to one embodiment.
DETAILED DESCRIPTION
[0037] Preferably, all the same units, elements, and/or systems are provided with the same reference signs in all the figures.
[0038] FIG. 1 shows a wiper system 10 according to one embodiment. Preferably, the wiper system 10 for a LiDAR sensor 200 comprises a wiper lip 12 made of an elastic material. Further, preferably, the wiper lip 12 has a longitudinal extension direction 14. Preferably, the wiper system comprises two bars 16, wherein the two bars 16 are adapted to engage in two recesses 18 on the wiper lip 12 along the longitudinal extension direction 14, wherein the wiper system 10 comprises a limiting unit 20, which is designed to be pushed onto the wiper lip 12 along the longitudinal extension direction 14 to secure the two bars 16 to the wiper lip 12, wherein the wiper system 10 comprises a connecting unit 22, which is designed to form a frictional and/or positive-locking connection to the two bars 16, wherein the connecting unit 22 is configured to arrange the wiper system 10 on a cleaning system 100 for the LiDAR sensor 200.
[0039] FIG. 2a shows a wiper system 10 according to one embodiment. FIG. 2a shows a sectional view of the wiper system 10 at a height of the connecting unit 22. Preferably, the wiper lip 12 is fixed in the connecting unit 22 by means of two bars 16 which engage in two recesses 18 of the wiper lip 12. Preferably, the connecting unit 22 comprises a U-shaped section 26, in particular on both sides of the wiper lip 12, into which the bars 16 engage. Thus, the bars 16 may form their frictional and/or positive-locking connection to the connecting unit 22 and a force and/or positive-locking connection of the wiper lip 12.
[0040] FIG. 2b shows a wiper system 10 according to one embodiment. The wiper system 10 has a similar configuration as the wiper system 10 of FIG. 2a. As can be seen in FIG. 2b, the two bars 16 of the wiper system 10 abut the wiper lip 12 in two recesses 18. The connecting unit 22 is arranged on the two bars 16. Further preferably, the limiting unit 20 can be pushed onto the wiper lip 12 and the bars along the longitudinal extension 16 in the direction of displacement 14.
[0041] FIG. 3 shows a wiper system 10 according to one embodiment. The wiper system 10 comprises a wiper lip 12 as well as two bars 16, which preferably comprise two tapers 24. The connecting unit 22 can engage with the tapers 24 to be able to form a frictional and/or positive-locking connection between the bars 16 and the connecting unit 22. Preferably, the two tapers 24 have a first length 30, and preferably the U-shaped portion 26 has a second length 32. The first length 30 and the second length 32 may be configured to define a degree of deflection of the wiper lip 12 to the connecting unit 22.
[0042] FIG. 4 shows one embodiment of the wiper system 10. The wiper system 10 comprises two bars 16 on which the limiting units 20 are attached. The limiting units 20, which are attached to the bars 16 on both sides, comprise two pins 40, which can form a frictional connection between the bars 16 and the limiting unit 20. Preferably, the limiting units 20 have been inserted on the bars 16 along the displacement direction 14. Further, preferably, the bars 16 comprise tapers 24 on which the connecting unit 22 can be arranged.
[0043] FIG. 5a shows a wiper system 10 according to one embodiment. The wiper system 10 comprises a wiper lip 12, which is arranged on a connecting unit 22 by means of bars 16 and recesses 18. As can be seen in FIG. 5a, a housing 19 of the connecting unit 22 can be arranged, for example, to protect the wiper lip 12 from environmental influences.
[0044] FIG. 5b shows a wiper system 10 according to one embodiment. As shown in FIG. 5a, the connecting unit 22 comprises a U-shaped section 26 for each bar 16. Adjacent the U-shaped portion, a phase 28 may be arranged to facilitate insertion of the bar 16 into the U-shaped sections 26.
[0045] FIG. 6 shows a wiper system 10 according to one embodiment. The wiper system 10 comprises a limiting unit 20. The limiting unit 20 comprises a U-shaped profile 38 on both sides, in particular for each bar 16. Further, preferably, the limiting unit comprises two pins 40 for forming a frictional connection with the recesses 18 of the wiper lip 12.
[0046] FIG. 7a shows one embodiment of the wiper system 10. The wiper system 10 comprises a wiper lip 12, which can be attached to the connecting unit 22 by means of two bars 16, which are arranged in the recess 18. Further preferably, a limiting unit 20 is pushed onto the wiper lip and/or the bars 16. Further, pins 40 in the limiting unit 20 may form a frictional connection to the wiper lip 12 by engaging the recesses 18, particularly along the displacement direction of the extension direction 14.
[0047] FIG. 7b shows one embodiment of the wiper system 10. The wiper system 10 has a similar configuration to the wiper system of FIG. 7a. Preferably, each bar 16 comprises a first hook element 34. The bars 16 can position the wiper lip 12 in relation to the limiting unit 20. The limiting unit 20 comprises a second hook element 36 for each bar 16 in order to be able to form a snap hook connection between the bars 16 and the limiting unit 20. In particular, the limiting unit 20 can be pushed along the longitudinal extension direction 14 onto the bars 16 and the wiper lip 12 in order to be able to form the snap hook connection.
[0048] FIG. 8 shows one embodiment of the wiper system 10. The wiper system 10 comprises a connecting unit 22. Preferably, the connecting unit 22 comprises two cut-outs 42, with a clip 44 arranged in each. Each clip 44 has an opening angle 46, which is larger than a diameter of the fastening clip of the clip 44. Further preferably, each clip 44 has an opening angle 48 in particular between 20 and 30 to a longitudinal extension direction of the clip element, in particular an arm 50 of the clip 44. Further preferably, the clip 44 comprises two arms 50 having a peak width 52 of the arms and a base width 54 of the arms 50. Preferably, the peak width 52 is less than a base width 54 of the arms 50. Further preferably, the peak width 52 of the clip 44 and the base width 54 of the clip 44 are designed to create a resistance force for the mounting of the wiper system 10 between 3 and 20 N.
[0049] FIG. 9 shows a wiper system 10 according to one embodiment. The wiper system 10 comprises a connecting unit 22. As can be seen in FIG. 9, the connecting unit 22 comprises a cut-out 42 on both sides, on which a clip 44 is arranged. Each clip 44 comprises two arms 50. Specifically, the connecting unit 22 can be applied or attached to the cleaning system 100 using the deflection of the arms 50.
[0050] FIG. 10 shows a cleaning system 100 comprising a wiper system 10 as described above and below.
[0051] FIG. 11 shows a vehicle 300 according to one embodiment. The vehicle 300 preferably includes a wiper system 10 as described above and below. Further preferably, the vehicle 300 comprises a cleaning system 100 for cleaning a LiDAR sensor 200. Further preferably, the vehicle 300 comprises a LiDAR sensor 200.
