EP4581399A1 - Lidarvorrichtung und fahrzeug mit einer lidarvorrichtung - Google Patents
Lidarvorrichtung und fahrzeug mit einer lidarvorrichtungInfo
- Publication number
- EP4581399A1 EP4581399A1 EP23762483.8A EP23762483A EP4581399A1 EP 4581399 A1 EP4581399 A1 EP 4581399A1 EP 23762483 A EP23762483 A EP 23762483A EP 4581399 A1 EP4581399 A1 EP 4581399A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- unit
- wiper arm
- lidar
- lidar device
- driving force
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S17/00—Systems using the reflection or reradiation of electromagnetic waves other than radio waves, e.g. lidar systems
- G01S17/88—Lidar systems specially adapted for specific applications
- G01S17/93—Lidar systems specially adapted for specific applications for anti-collision purposes
- G01S17/931—Lidar systems specially adapted for specific applications for anti-collision purposes of land vehicles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60S—SERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, OR MANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR
- B60S1/00—Cleaning of vehicles
- B60S1/02—Cleaning windscreens, windows or optical devices
- B60S1/56—Cleaning windscreens, windows or optical devices specially adapted for cleaning other parts or devices than front windows or windscreens
- B60S1/566—Cleaning windscreens, windows or optical devices specially adapted for cleaning other parts or devices than front windows or windscreens including wiping devices
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/0006—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00 with means to keep optical surfaces clean, e.g. by preventing or removing dirt, stains, contamination, condensation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60S—SERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, OR MANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR
- B60S1/00—Cleaning of vehicles
- B60S1/02—Cleaning windscreens, windows or optical devices
- B60S1/04—Wipers or the like, e.g. scrapers
- B60S1/32—Wipers or the like, e.g. scrapers characterised by constructional features of wiper blade arms or blades
- B60S1/34—Wiper arms; Mountings therefor
- B60S1/3402—Wiper arms; Mountings therefor with means for obtaining particular wiping patterns
- B60S1/3404—Wiper arms; Mountings therefor with means for obtaining particular wiping patterns the wiper blades being moved substantially parallel with themselves
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60S—SERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, OR MANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR
- B60S1/00—Cleaning of vehicles
- B60S1/02—Cleaning windscreens, windows or optical devices
- B60S1/04—Wipers or the like, e.g. scrapers
- B60S1/32—Wipers or the like, e.g. scrapers characterised by constructional features of wiper blade arms or blades
- B60S1/34—Wiper arms; Mountings therefor
- B60S1/36—Variable-length arms
- B60S1/365—Variable-length arms the effective length being automatically varied during angular oscillation of the arm
Definitions
- lidar device with a lidar unit, with at least one cover element, which covers the lidar unit, and with a cleaning unit, which has a wiper arm for cleaning the cover element, a drive unit for providing a driving force and a transmission unit for transmitting the driving force from the drive unit to the Wiper arm includes, has been proposed.
- the invention is based on a lidar device with a lidar unit, with at least one cover element, which covers the lidar unit, and with a cleaning unit, which has at least one wiper arm for cleaning the cover element, a drive unit for providing a driving force and a transmission unit for transmitting the driving force from the Drive unit includes the wiper arm.
- the transmission unit has at least one compensating element for transmitting the driving force to the wiper arm and for compensating for a distance between a drive shaft of the drive unit and the wiper arm that varies during a wiping movement.
- the lidar device is at least a part, preferably at least a subassembly, of a lidar system, in particular a lidar sensor assembly.
- the Lidar device can also include the entire lidar system, in particular the entire lidar sensor assembly.
- the lidar device has at least one lidar unit, which comprises at least one lidar sensor element.
- the lidar sensor element is, for example, on a vehicle for environmental detection, in particular for autonomous driving, on construction sites for measuring buildings, for scanning 3D contours and / or in the laboratory for intended for research purposes.
- the lidar device is intended for detecting and/or measuring objects, in particular by means of the at least one lidar sensor element.
- the lidar device is preferably intended for use on a vehicle; in particular, the lidar device can be part of the vehicle. It would also be conceivable that the lidar device could be retrofitted to the vehicle. For example, the lidar device could be retrofittable to the vehicle in addition to an existing lidar system of the vehicle.
- the lidar device in particular as part of the lidar system, is provided for detecting objects, in particular in an environment of the vehicle.
- the lidar device is coupled to the vehicle for detecting objects, preferably in a roof area, a front area and/or a rear area of the vehicle.
- the vehicle could have several lidar devices.
- the cover element covers the lidar unit, in particular from the outside.
- the cover element is at least substantially transparent. It would be conceivable that the cover element is at least largely and in particular completely made of glass.
- the cover element is at least largely and in particular completely made of a plastic.
- the cover element is intended to protect the lidar unit, in particular from environmental influences.
- the cover element protects the lidar unit at least from environmental influences, such as precipitation, in particular rain and/or snow and/or ice.
- the cleaning unit is intended to clean the cover element mechanically, in particular by means of a mechanical component, the mechanical component being designed differently from air and/or water. The cleaning unit could be provided for additional cleaning of the cover element using a cleaning fluid.
- the cleaning unit could have at least one and preferably a plurality of fluid nozzles, which are intended to spray the cleaning fluid onto the cover element in the operating state.
- the fluid nozzles could be connected to a fluid supply unit that already exists in the vehicle.
- the cleaning unit could also be conceivable for the cleaning unit to have a separate fluid supply unit, which includes, for example, at least one fluid supply line, at least one fluid tank and at least one fluid pump.
- the fluid nozzles could only spray the cleaning fluid onto the cover element when necessary.
- a coupling to at least one rain sensor present on the vehicle could be provided.
- At least one element of the lidar device could be designed in terms of its shape such that contamination of the cover element is reduced in the operating state, for example if at least one element is designed as a spoiler element in terms of its shape.
- the lidar device could have at least one cover plate, which in particular is not designed to be transparent.
- the expression “at least to a large extent” should be understood to mean at least 55%, advantageously at least 65%, preferably at least 75%, particularly preferably at least 85% and particularly advantageously at least 95%.
- “at least substantially” should be understood to mean that a deviation from a predetermined value deviates in particular by less than 25%, preferably less than 10% and particularly preferably less than 5% of the predetermined value.
- an “operating state” is to be understood as meaning a state in which the lidar device is ready for operation, in particular ready for a detection process.
- the cleaning unit cleans the window element mechanically. It would also be conceivable for the cleaning unit to clean the window element in the operating state only when necessary, in particular if the window element is dirty.
- the cleaning unit has at least one wiper arm.
- the cleaning unit preferably has at least one wiping lip coupled to the wiper arm.
- the cleaning unit has a drive unit for driving the wiper arm.
- the drive unit provides a driving force for driving the wiper arm.
- the wiper arm with the wiper lip coupled thereto is moved along a surface of the cover element to be cleaned for cleaning the cover element by means of the driving force provided by the drive unit.
- the drive unit preferably has a motor, wherein the motor is advantageously designed as an electric motor.
- the motor In the operating state, in particular in a wiping operation of the cleaning unit, the motor provides the driving force and transmits it to a drive shaft of the drive unit.
- the drive unit preferably provides the driving force in the form of a drive torque, preferably in the form of a torque, which can be tapped via the drive shaft.
- an “operating state” is to be understood as meaning a state in which the lidar device is ready for operation, in particular for a detection process.
- the cleaning unit cleans the cover element mechanically. It would also be conceivable for the cleaning unit to clean the cover element in the operating state only when necessary, in particular if the cover element is dirty.
- the lidar device comprises a transmission unit for transmitting the driving force, in particular the driving torque, from the drive unit to the wiper arm.
- the transmission unit comprises at least one compensating element for transmitting the driving force from the drive unit to the wiper arm.
- the compensating element can be coupled to the wiper arm either directly or indirectly via at least one further element, in particular a carrier element, of the transmission unit.
- the compensating element is also provided to compensate for the distance between the drive shaft of the drive unit and the wiper arm that varies during a wiping movement.
- variable-length section of the compensating element could, for example, be designed as an elastic element. It is also conceivable that the entire compensating element is designed as an elastic element.
- An “elastic element” is to be understood as an element that can be repeatedly deformed without the element being mechanically damaged or destroyed, and that automatically returns to a basic shape after deformation.
- the variable-length section of the compensating element is formed by a movable sub-element which is movably, preferably slidably, mounted on the compensating element, in particular on a sub-element of the compensating element which is fixed with respect to the main extension direction of the compensating element.
- “Provided” is intended to mean specially furnished, specially designed and/or specially equipped.
- the fact that an object is intended for a specific function should be understood to mean that the object fulfills and/or executes this specific function in at least one application and/or operating state.
- the design according to the invention makes it possible to provide a lidar device with advantageous properties in terms of construction.
- reliable cleaning can be made possible, which can advantageously increase the reliability of a lidar sensor.
- the cover element can in particular be kept free of dirt and/or other contaminants, such as rainwater and/or ice and/or snow.
- the mechanical cleaning can be carried out reliably, especially independently of environmental influences. This can further improve security in particular.
- safety in relation to at least one driving assistant such as assisted driving, in particular autonomous driving
- at least one driving assistant such as assisted driving, in particular autonomous driving
- such a design can advantageously integrate at least one system, particularly one that is already present in the vehicle. Because the transmission unit has the at least one compensating element, the risk of the wiper arm tilting and/or blocking during the wiping movement can advantageously be reduced, in particular minimized.
- the compensating element is provided to translate a rotational movement of the drive shaft into an at least substantially translational wiping movement of the wiper arm.
- This can advantageously improve efficiency.
- a translation of the rotational movement of the drive shaft into the at least essentially translational movement of the wiper arm can be made possible using simple technical means and a small number of components required for this.
- the translation of the rotational movement of the drive shaft into the at least substantially translational movement of the wiper arm by the compensating element takes place by varying the length of the variable-length sub-element of the compensating element.
- the compensating element is intended to transmit the driving force provided by the rotational movement of the drive shaft to the wiper arm and to move the wiper arm with the wiper lip coupled thereto linearly, and in particular bidirectionally, along the cover element in order to clean the cover element. It is also proposed that the compensating element is designed to be telescopic. With such a configuration, compensation for the distance between the drive shaft and the wiper arm, which varies during the wiping movement, can advantageously be implemented using particularly simple technical means.
- the compensating element has at least one sub-element that is fixed with respect to its main extension direction, in which the movable sub-element of the compensating element is movably, preferably slidably, mounted.
- the fixed sub-element and the movable sub-element form a telescopic stage.
- the fixed sub-element can, for example, be designed as a sleeve and the movable sub-element as a piston, which is movably, in particular slidably, mounted in the sleeve.
- the telescopic compensating element has a plurality of at least two telescopic stages connected in series, with at least one further movable sub-element being movably, in particular slidably, mounted in the movable sub-element, which can then be designed, for example, as a hollow piston. This makes it possible to advantageously compensate for the distance between the drive shaft and the wiper arm that varies during the wiping movement, even in the case of large variations, for example in the case of lidar units with a particularly large width extension.
- the transmission unit has at least one thrust joint in order to transmit the driving force from the drive shaft to the compensating element.
- the thrust joint is preferably intended to set the compensating element into a rotational movement by means of the driving force provided via the drive shaft.
- a main direction of extension of the thrust joint is preferably angular to a main direction. direction of adjustment of the compensation element.
- the thrust joint could be directly connected to the drive shaft.
- the thrust joint is preferably connected indirectly to the drive shaft, namely via at least one further component of the transmission unit, for example via a crank or the like.
- the swivel joint is arranged at a distance from the drive shaft and is intended to support a rotational movement of the compensating element generated by the thrust joint.
- the transmission unit has a carrier element for holding the wiper arm, which is coupled to the wiper arm and the compensation element.
- a carrier element for holding the wiper arm, which is coupled to the wiper arm and the compensation element.
- the carrier element can, without being limited to this, be designed, for example, as a guide carriage or the like.
- the wiper arm is releasably connected to the carrier element, for example via a latching mechanism and/or a clamping mechanism and/or another form-fitting and/or non-positive connection that appears sensible to a person skilled in the art.
- the transmission unit has at least one guide rail for guiding the wiper arm, the carrier element being positively and movably connected to the guide rail.
- the carrier element can be positively and movably connected to the guide rail, for example via at least one plain bearing and/or via at least one ball bearing or the like.
- the guide rail provides a low-friction guide of the carrier element in order to guide the wiper arm along the cover element, in particular along a guide track which runs at least substantially parallel to a surface of the cover element to be cleaned by means of the cleaning unit.
- the guide rail provides a guide for the carrier element, which has a coefficient of sliding friction of, for example, less than 0.2, advantageously less than 0.1, particularly advantageously less than 0.05, preferably less than 0.01 and particularly preferably less than 0.005 .
- the guide rail is arranged substantially parallel to an edge of the cover element. It would be conceivable for the guide rail to extend over at least a large part and preferably completely over an entire width extension of the cover element.
- the guide rail is preferably arranged parallel to a main extension direction of the cover element.
- the lidar device has a holding unit for connection to the lidar unit, with at least the transmission unit being mounted on the holding unit.
- the holding unit is provided for a detachable connection to the lidar unit, in particular without tools.
- the holding unit is preferably designed as a pre-assembly unit on which the transmission unit and in particular further units, for example the drive unit, of the lidar device can be pre-assembled before the holding unit is connected to the lidar unit.
- the holding unit can be formed, for example, from die-cast aluminum, injection-molded plastic or sheet metal made of steel and/or a steel alloy and/or aluminum, with a choice of the material used for the holding unit depending on load requirements and/or a weight and/or a design and/or or costs and/or the like can be selected.
- the transmission unit has at least one further compensating element, wherein the compensating element is provided for transmitting the driving force to a first end of the wiper arm and the further compensating element is provided for transmitting the driving force to a second end of the wiper arm.
- the compensating element and the further compensating element of the transmission unit are designed to be essentially identical to one another.
- the transmission unit preferably has a further swivel joint, which is connected to the drive shaft of the drive unit for direct transmission of the driving force to the further compensating element.
- the compensating element and the further compensating element are arranged on opposite sides of the lidar unit in a mounted state of the lidar device.
- the main extension direction of the compensating element and the main extension of the further compensating element are aligned at least substantially parallel to one another in the assembled state.
- the drive shaft and the wiper arm are arranged on opposite sides of the lidar unit in an assembled state. This can advantageously enable a particularly compact design of the lidar device, particularly with regard to the width of the lidar device.
- the wiper arm in the assembled state, is preferably arranged on a front side of the lidar unit and the main extension direction of the wiper arm is arranged at least substantially parallel to a surface of the cover element to be wiped.
- the drive shaft is arranged on a rear side of the lidar unit opposite the front side.
- a lidar device with a small width extension can thus be provided.
- the width extension of the entire lidar device advantageously corresponds to a width extension of the lidar unit when the drive shaft and the wiper arm are arranged on opposite sides of the lidar unit in an assembled state.
- the drive shaft and the wiper arm are arranged on adjacent sides of the lidar unit in an assembled state.
- the wiper arm is preferably arranged on a front side of the lidar unit in the mounted state and the main extension direction of the wiper arm is arranged at least substantially parallel to a surface of the cover element to be wiped.
- the drive shaft can be arranged on a left side of the lidar unit adjacent to the front side or on a right side of the lidar unit adjacent to the front side. A lidar device with a small depth extension can therefore be provided.
- the invention further relates to a vehicle with at least one lidar device according to one of the previously described embodiments.
- a vehicle is particularly characterized by its advantageous properties with regard to reliability and safety, which can be achieved by the lidar device according to the previously described embodiments.
- the vehicle can be designed as a road vehicle, for example a car or a truck or the like, as a rail vehicle such as a train, a railcar, a tram or the like and / or as a watercraft such as a ship, a boat or the like.
- the vehicle it would be conceivable for the vehicle to be designed as a cleaning vehicle, in particular a cleaning robot, for example a wiping robot and/or a vacuum cleaning robot.
- the lidar device is connected to the vehicle.
- the lidar device is at least partially arranged on an outside of the vehicle.
- lidar device according to the invention should not be limited to the application and embodiment described above.
- the lidar device according to the invention can have a number of individual elements, components and units that deviate from the number mentioned herein in order to fulfill the functionality described herein.
- values lying within the stated limits should also be considered disclosed and can be used in any way.
- FIG. 1 shows a vehicle with a lidar device in a schematic perspective view
- 2 shows the lidar device in a schematic perspective view
- 3 shows the lidar device in a schematic top view
- FIG. 4 shows a further exemplary embodiment of a lidar device in a schematic perspective view
- FIG. 5 shows the lidar device of the exemplary embodiment of FIG. 4 in a schematic top view.
- FIG. 1 shows a vehicle 50a in a schematic perspective view.
- the vehicle 50a includes a lidar device 10a.
- the vehicle 50a is designed as a road vehicle, in particular as a car.
- the lidar device 10a is arranged in a front area of the vehicle 50a.
- the lidar device 10a has a lidar unit 12a (see also FIG. 2).
- the lidar unit 12a includes at least one lidar sensor (not shown).
- the lidar device 10a in the illustrated embodiment includes a cover element 14a.
- the lidar device 10a is shown in FIGS. 2 and 3.
- Figure 2 shows the lidar device 10a in a schematic perspective view.
- Figure 3 shows the lidar device 10a in a schematic top view.
- the cleaning unit 16a further comprises a transmission unit 22a for transmitting the driving force from the drive unit 20a to the wiper arm 18a.
- the transmission unit 22a has at least one compensation element 24a.
- the compensating element 24a is intended to transmit the driving force to the wiper arm 18a.
- the compensating element 24a is also provided to compensate for a varying distance between the drive shaft 26a of the drive unit 20a and the wiper arm 18a during a wiping movement.
- the compensating element 24a is intended to translate a rotational movement of the drive shaft 16a into an at least substantially translational wiping movement of the wiper arm 18a.
- the compensating element 24a is designed to be telescopic.
- the compensating element 24a comprises a compensating piston 54a and a sleeve 56a in which the compensating piston 54a is slidably mounted.
- the compensating piston 54a can slide partially out of the sleeve and back into the sleeve.
- the telescopically designed compensating element 24a has a telescopic step in the form of the compensating piston 54a which is slidably mounted in the sleeve 56a.
- the transmission unit 22a has at least one swivel joint 28a, which is connected to the compensating element 24a.
- the swivel joint 28a is connected to the drive shaft 26a for direct transmission of the driving force to the compensating element 24a.
- the transmission unit 22a has a carrier element 32a for holding the wiper arm 18a, which is coupled to the wiper arm 18a and the compensating element 24a.
- the transmission unit 22a has at least one guide rail 34a for guiding the wiper arm 18a, wherein the carrier element 32a is positively and movably connected to the guide rail 34a.
- the carrier element 32a is designed as a carriage and is positively and movably connected to the guide rail 34a.
- the transmission unit 22a has at least one further compensating element 38a.
- the further compensating element 38a is designed essentially identically to the compensating element 24a.
- the compensating element 24a is provided for transmitting the driving force to a first end 40a of the wiper arm 18a and the further compensating element 38a is provided for transmitting the driving force to a second end 42a of the wiper arm 18a.
- the transmission unit 22a also has a further swivel joint 62a, which is connected to the further compensating element 38a.
- the further swivel joint 62a is connected to the drive shaft 26a of the drive unit 20a for direct transmission of the driving force to the further compensating element 38a.
- the compensating element 24a is connected via the carrier element 32a to the first end 40a, in this case an upper end, of the wiper arm 18a.
- the further compensating element 38a is in this case connected via a further support element 58a to the second end 42a, in this case a lower end, of the wiper arm 18a.
- the transmission unit 22a has a further guide rail 60a, with the further carrier element 58a, which is also designed as a carriage, being positively and movably connected to the further guide rail 60a.
- the guide rail 34a is arranged along an upper edge of the cover element 14a of the lidar unit 12a.
- the further guide rail 60a is arranged along a lower edge of the cover element 14a of the lidar unit and runs essentially parallel to the guide rail 34a.
- the wiper arm 18a and the drive shaft 26a are arranged in a mounted state on opposite sides 44a, 46a of the lidar unit 12a.
- the wiper arm 18a is arranged on a front side 44a of the lidar unit 12a essentially parallel to a surface to be cleaned of the cover element 14a.
- the drive unit 20a is arranged in the mounted state on a rear side 46a of the lidar unit 12a.
- the The driving force provided by the drive unit 20a is partly transmitted from the drive shaft 26a via the swivel joint 28a to the compensating element 24a and from the compensating element 24a via the carrier element 32a to the wiper arm 18a.
- the driving force provided by the drive unit 20a is partially transmitted from the drive shaft 26a via the further swivel joint 62a to the further compensating element 38a and from the further compensating element 38a via the further carrier element 58a to the wiper arm.
- FIGS. 4 and 5 A further exemplary embodiment of the invention is shown in FIGS. 4 and 5.
- the following descriptions and the drawings are essentially limited to the differences between the exemplary embodiments, with regard to components with the same designation, in particular with regard to components with the same reference numerals, in principle also to the drawings and / or the description of the other exemplary embodiments, in particular Figures 1 to 3, can be referred to.
- the letter a is placed after the reference numbers of the exemplary embodiment in FIGS. 1 to 3.
- the letter a is replaced by the letter b.
- FIGS. 4 and 5 A further exemplary embodiment of a lidar device 10b is shown in FIGS. 4 and 5.
- Figure 4 shows the lidar device 10b in a schematic perspective view.
- Figure 5 the lidar device 10b is shown in a schematic top view.
- the lidar device 10b has a lidar unit 12b, which includes at least one lidar sensor (not shown) and a cover element 14b.
- the lidar device 10b also has a cleaning unit 16b for cleaning the cover element 14b, which has a wiper arm 18b for cleaning the cover element 14b, a drive unit 20b for providing a driving force and a transmission unit 22b for transmitting the driving force from the drive unit 20b to the wiper arm 18b includes
- the transmission unit 22b has at least one compensating element 24b.
- the compensating element 24b is intended to transmit the driving force to the wiper arm 18b.
- the compensating element 24b is also provided to compensate for a varying distance between a drive shaft 26b of the drive unit 20b and the wiper arm 18b during a wiping movement.
- the compensating element 24b is in turn intended to translate a rotational movement of the drive shaft 26b into an at least substantially translational wiping movement of the wiper arm 18b.
- the compensating element 24b is designed telescopically and, analogous to the previous exemplary embodiment, has a compensating piston 54b and a sleeve 56b in which the compensating piston 54b is slidably mounted.
- the transmission unit 22b has at least one swivel joint 28b, which is connected to the compensation element 24b.
- the transmission unit 22b has at least one thrust joint 30b in order to transmit the driving force from the drive shaft 26b to the compensating element 24b.
- the swivel joint 28b is arranged at a distance from the drive shaft 26b and is intended to support a rotational movement of the compensating element 24b generated by the thrust joint 30b.
- the transmission unit 22b has a carrier element 32b for holding the wiper arm 18b, which is coupled to the wiper arm 18b and the compensating element 24b.
- the above- Support unit 22b also has at least one guide rail 34b for guiding the wiper arm 18b, the support element 32b being positively and movably connected to the guide rail 34b.
- the transmission unit has exactly one swivel joint 28b, exactly one compensating element 24b, exactly one support element 32b and exactly one guide rail 34b.
- the lidar device 10b has a holding unit 36b for connection to the lidar unit 12b, with at least the transmission unit 22b being mounted on the holding unit 36b.
- the drive unit 20b is also mounted on the holder unit 36b.
- the lidar device 10b also differs from the lidar device 10a from the previous exemplary embodiment in that the wiper arm 18b and the drive shaft 26b are arranged in an assembled state on adjacent sides 44b, 48b of the lidar unit 12b.
- the wiper arm 18b is arranged on a front side 44b of the lidar unit 12b essentially parallel to a surface of the cover element 14b to be cleaned.
- the drive unit 20b is arranged on an adjacent left side 48b of the lidar unit 12b. In an operating state of the cleaning unit 16b, the driving force provided by the drive unit 20b is transmitted from the drive shaft 26b via the thrust joint 30b to the compensating element 24b and from the compensating element 24b via the carrier element 32b to the wiper arm 18b.
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Computer Networks & Wireless Communication (AREA)
- Electromagnetism (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Optics & Photonics (AREA)
- Mechanical Engineering (AREA)
- Optical Radar Systems And Details Thereof (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102022208967.7A DE102022208967A1 (de) | 2022-08-30 | 2022-08-30 | Lidarvorrichtung und Fahrzeug mit einer Lidarvorrichtung |
| PCT/EP2023/073782 WO2024047104A1 (de) | 2022-08-30 | 2023-08-30 | Lidarvorrichtung und fahrzeug mit einer lidarvorrichtung |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP4581399A1 true EP4581399A1 (de) | 2025-07-09 |
Family
ID=87886699
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP23762483.8A Withdrawn EP4581399A1 (de) | 2022-08-30 | 2023-08-30 | Lidarvorrichtung und fahrzeug mit einer lidarvorrichtung |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP4581399A1 (de) |
| CN (1) | CN119790322A (de) |
| DE (1) | DE102022208967A1 (de) |
| WO (1) | WO2024047104A1 (de) |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11142514A (ja) * | 1997-11-05 | 1999-05-28 | Hitachi Ltd | 車載用レーダシステム |
| KR102552085B1 (ko) * | 2018-10-08 | 2023-07-06 | 현대자동차주식회사 | 센서 직접세척 장치 및 자율주행차량 |
| DE102020208111A1 (de) * | 2020-06-30 | 2021-12-30 | Robert Bosch Gesellschaft mit beschränkter Haftung | Erweiterungsmodul für einen Lidar-Sensor und modulare Lidar-Einheit |
| EP4523979A3 (de) * | 2020-08-25 | 2025-05-21 | MCi (Mirror Controls International) Netherlands B.V. | Modulares reinigungssystem zur reinigung einer sensorscheibe einer optischen erfassungsvorrichtung eines kraftfahrzeugs |
-
2022
- 2022-08-30 DE DE102022208967.7A patent/DE102022208967A1/de not_active Withdrawn
-
2023
- 2023-08-30 WO PCT/EP2023/073782 patent/WO2024047104A1/de not_active Ceased
- 2023-08-30 CN CN202380062691.5A patent/CN119790322A/zh active Pending
- 2023-08-30 EP EP23762483.8A patent/EP4581399A1/de not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| DE102022208967A1 (de) | 2024-02-29 |
| CN119790322A (zh) | 2025-04-08 |
| WO2024047104A1 (de) | 2024-03-07 |
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