EP4581398A1 - Wischervorrichtung - Google Patents
WischervorrichtungInfo
- Publication number
- EP4581398A1 EP4581398A1 EP23762482.0A EP23762482A EP4581398A1 EP 4581398 A1 EP4581398 A1 EP 4581398A1 EP 23762482 A EP23762482 A EP 23762482A EP 4581398 A1 EP4581398 A1 EP 4581398A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- wiper arm
- wiper
- bearing
- guide unit
- guide
- 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- Withdrawn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
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/02—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
- G01S7/027—Constructional details of housings, e.g. form, type, material or ruggedness
-
- 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
- G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
- G01S13/88—Radar or analogous systems specially adapted for specific applications
- G01S13/93—Radar or analogous systems specially adapted for specific applications for anti-collision purposes
- G01S13/931—Radar or analogous systems specially adapted for specific applications for anti-collision purposes of land vehicles
-
- 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
-
- 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
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/02—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
- G01S7/40—Means for monitoring or calibrating
- G01S7/4004—Means for monitoring or calibrating of parts of a radar system
- G01S7/4039—Means for monitoring or calibrating of parts of a radar system of sensor or antenna obstruction, e.g. dirt- or ice-coating
- G01S7/4043—Means for monitoring or calibrating of parts of a radar system of sensor or antenna obstruction, e.g. dirt- or ice-coating including means to prevent or remove the obstruction
-
- 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
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/48—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S17/00
- G01S7/481—Constructional features, e.g. arrangements of optical elements
- G01S7/4811—Constructional features, e.g. arrangements of optical elements common to transmitter and receiver
- G01S7/4813—Housing arrangements
-
- 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
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/48—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S17/00
- G01S7/497—Means for monitoring or calibrating
-
- 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
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/48—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S17/00
- G01S7/497—Means for monitoring or calibrating
- G01S2007/4975—Means for monitoring or calibrating of sensor obstruction by, e.g. dirt- or ice-coating, e.g. by reflection measurement on front-screen
- G01S2007/4977—Means for monitoring or calibrating of sensor obstruction by, e.g. dirt- or ice-coating, e.g. by reflection measurement on front-screen including means to prevent or remove the obstruction
Definitions
- the invention is based on a wiper device with a wiper arm, with at least one wiper blade coupled to the wiper arm, which comprises at least one wiping lip for wiping a surface of a protective element of a sensor device, in particular a lidar device, which has a housing, and with a wiper arm guide unit, which is intended to move the wiper arm at least substantially translationally along a guide track and has at least one bearing rail for this purpose.
- the wiper arm guide unit is provided in at least one operating state to move the wiper arm into a parking position in an area next to the protective element to be wiped, in particular laterally next to the housing.
- a “wiper device” should preferably be understood to mean at least a part, preferably a subassembly, of a windshield wiper.
- the wiper device can also include the entire windshield wiper, in particular with a wiper blade.
- the wiper device is preferably intended for use on a vehicle and on the sensor device.
- the wiper device, in particular as part of the windshield wiper is provided for cleaning a surface, preferably a window of the sensor device on a vehicle.
- the wiper device is coupled to the vehicle.
- the term “intended” should preferably be understood to mean specially trained, set up, designed and/or equipped.
- the fact that an object is intended for a specific function should preferably be understood to mean that the object fulfills and/or executes this specific function in at least one application and/or operating state.
- the sensor device is preferably designed as a lidar device.
- the sensor device is in particular at least a part, preferably at least a subassembly, of at least one lidar sensor, in particular a lidar sensor assembly.
- the sensor device can in particular also include the entire lidar sensor, in particular the entire lidar sensor assembly.
- the sensor device preferably has at least one lidar unit, which in particular comprises at least one lidar sensor element.
- the sensor device can have a plurality of lidar sensor elements, such as two, three, four, five or the like.
- the sensor device is preferably arranged on a vehicle for detecting the surroundings, in particular for autonomous driving.
- the sensor device can be arranged on construction sites for measuring buildings, for scanning 3D contours and/or in the laboratory for research purposes.
- the sensor device is intended for detecting and/or measuring objects, in particular by means of the at least one lidar sensor element.
- the sensor device is preferably intended for use on a vehicle.
- the sensor device is preferably designed as a component of the vehicle.
- the sensor device can be designed as a retrofit kit for the vehicle.
- the sensor device is provided for detecting objects in an environment of the vehicle.
- this is Sensor device for detecting objects coupled to the vehicle, preferably in a roof area, a front area, at least one side area and / or a rear area of the vehicle.
- the sensor device is preferably connected to the vehicle, in particular to a computing unit, such as an on-board computer, of the vehicle.
- the sensor device preferably has the protective element, in particular a cover wall, which in particular allows a laser beam to emerge from a housing of the sensor device and which is in particular at least essentially transparent for detection wavelengths of the laser beam of the at least one lidar sensor element.
- the protective element is preferably designed as a cover wall.
- the protective element, in particular the cover wall, of the sensor device defines the surface of the sensor device as an outer surface of the protective element, in particular the cover wall.
- the sensor device, in particular the protective element, preferably the cover wall is at least partially arranged on an outside of the vehicle.
- the protective element, preferably the cover wall covers the sensor device at least partially, in particular to the outside.
- the protective element, preferably the cover wall is at least largely made of glass and/or a plastic.
- the wiper blade is intended to clean the protective element mechanically, in particular by means of the wiping lip.
- the wiping lip is preferably designed to be rubber-like.
- the wiper arm guide unit preferably has a drive unit which moves the wiper blade linearly over the surface to clean the surface.
- the drive unit is designed to move the wiper blade along a path that is defined by the wiper arm guide unit.
- the wiper arm guide unit defines a straight path.
- the wiper device preferably comprises a connection unit by means of which the wiper arm and the wiper arm guide unit are detachably connected to one another.
- the connection unit is preferably designed as a snap closure.
- the wiper arm and a carrier element of the wiper arm guide unit are connected to one another in a force-fitting and/or form-fitting manner in a fully assembled state by means of at least one connecting means.
- Connecting means are provided to press the wiper arm and the carrier element together starting from two sides of the wiper arm facing away from each other.
- the drive unit is designed to move the wiper blade over the entire surface along the surface, in particular for mechanical cleaning of the entire surface.
- the wiper lip of the wiper blade is preferably designed to be replaceable.
- the wiper lip of the wiper blade can be designed to be replaceable without tools.
- the wiper lip is arranged in particular largely in the wiper arm.
- a longitudinal axis of the at least one wiper arm is aligned parallel to the at least one surface.
- a longitudinal axis of the at least one wiper arm is aligned parallel to an outer edge of the at least one surface.
- the at least one surface is at least substantially rectangular.
- the at least one wiper arm extends over at least one edge length of the at least one surface.
- the at least one wiper arm is connected to the drive unit at at least one end of an extension of the at least one wiper arm along the longitudinal axis of the at least one wiper arm.
- a “longitudinal axis” of an object is to be understood in particular as an axis which runs parallel to a longest edge of a smallest geometric cuboid, which just completely encloses the object, and preferably runs through a geometric center of the object.
- the at least one wiper arm is designed as a U-shaped bar, in particular a metal bar, in a cross section perpendicular to the longitudinal axis of the at least one wiper arm.
- the at least one wiper arm has a U-shaped profile, in particular with respect to the cross section perpendicular to the longitudinal axis of the at least one wiper arm.
- the at least one wiper arm delimits a wiper cavity in which the wiper blade is largely arranged.
- an open side, in particular with respect to the U-shaped profile, of the wiper arm is oriented towards the surface.
- the drive unit is firmly connected to the vehicle or the sensor device.
- a “wiper arm guide unit” is to be understood as a unit that moves the wiper arm along a preferably straight guide path relative to the The surface of the protective element to be wiped is moved.
- “Parking position” should preferably be understood as a position of the wiper arm into which it is adjusted when not in use.
- the wiper arm is arranged in the parking position when the wiper device is in a resting state.
- the parking position of the wiper arm is arranged in particular laterally next to the housing of the sensor device.
- the parking position is in particular not arranged in an area that overlaps with an area of the protective element to be wiped.
- the wiper arm In the parking position, the wiper arm is moved out of an area in front of the protective element to be wiped.
- the wiper arm is preferably arranged protected behind cover elements.
- On the side of the housing should preferably be understood as referring to a viewing line that is perpendicular to the surface to be wiped, on the side of the housing.
- the wiper arm can be arranged in a particularly advantageous position, the parking position, when not in use, i.e. when the protective element is not cleaned.
- the wiper arm can advantageously be parked in an area that is difficult to see or cannot be seen when not in use. This allows a particularly advantageous appearance to be achieved.
- the wiper arm can advantageously be parked behind corresponding cover elements, whereby the wiper arm is arranged in a particularly protected manner in the parked position.
- the wiper arm and the associated components of the wiper device can be particularly well protected from environmental influences and external damage in the parked position.
- the design according to the invention makes it possible to provide an optically particularly advantageous wiper device which is particularly advantageously protected against damage.
- the wiper arm guide unit has a guide rail which is intended to lift the wiper arm with the wiper lip from the surface to be wiped when moving into the parking position.
- a “guide rail” should preferably be understood as meaning a rail along which another element, such as in particular the wiper arm to be led.
- the guide rail preferably has a contacting surface on which the wiper arm, or an element coupled to the wiper arm, such as in particular a connecting element, rests and is thereby guided.
- the guide rail has an elevation in a transition area to the parking position of the wiper arm, which is directed away from the surface to be wiped.
- the guide rail can be designed to be particularly advantageous for guiding the wiper arm into the parking position.
- the wiper arm is intended to be connected to the bearing rail via two spring-loaded bearing points.
- a “spring-loaded bearing point” should preferably be understood as meaning a bearing point via which two elements are mounted movably relative to one another in at least one degree of freedom, with a spring element being provided which exerts a spring force on the elements mounted movably relative to one another, which acts in one direction along which the elements are movable to one another. This allows the wiper arm to be stored particularly advantageously.
- the wiper arm guide unit has a connecting element via which the wiper arm is articulated to the bearing rail.
- a “connecting element” should preferably be understood as an element through which two other elements are connected to one another. This allows the wiper arm to be particularly advantageously connected to the bearing rail.
- the wiper arm guide unit has a first bearing point designed as a rotation bearing, via which the wiper arm is connected to the connecting element, the wiper arm guide unit having a first spring element which is integrated into the first bearing point and is intended to exert a preload force in the direction to provide the surface to be wiped.
- the wiper arm can be stored particularly easily to form a preload.
- the wiper arm guide unit has a second bearing point via which the connecting element is coupled to the bearing rail, the wiper arm guide unit having a second spring element which is integrated into the second bearing point.
- the connecting element is preferably not connected directly to the bearing rail.
- the connecting element is preferably connected to a guide element which is displaceably mounted on the bearing rail.
- the connecting element is coupled to the bearing axis via the guide element.
- the second spring element of the wiper arm guide unit has greater rigidity than the first spring element.
- the spring elements can be designed particularly advantageously in order to enable a simple and safe adjustment of the wiper arm into the parking position.
- the second bearing point is designed as a rotation bearing. This means that the bearing point can be designed to be particularly simple.
- the second bearing point is designed as a linear bearing.
- the second bearing point can be designed particularly easily for an adjustment movement of the wiper arm into the parking position.
- the wiper device has a support element which is arranged next to the surface to be wiped and is intended so that the wiping lip or the wiper arm rests against it in the stowed position.
- a “support element” should preferably be understood as an element that provides a support surface for the wiper blade or the wiper arm in the parking position so that it does not pivot behind a plane of the surface to be wiped in the parking position.
- the wiper device can be designed to be particularly functionally reliable and the wiper arm can advantageously be secured in the parking position.
- the wiper device according to the invention should not be limited to the application and embodiment described above.
- the wiper 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.
Landscapes
- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Physics & Mathematics (AREA)
- Computer Networks & Wireless Communication (AREA)
- General Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Cleaning In General (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102022209021.7A DE102022209021A1 (de) | 2022-08-31 | 2022-08-31 | Wischervorrichtung |
| PCT/EP2023/073781 WO2024047103A1 (de) | 2022-08-31 | 2023-08-30 | Wischervorrichtung |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP4581398A1 true EP4581398A1 (de) | 2025-07-09 |
Family
ID=87886758
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP23762482.0A Withdrawn EP4581398A1 (de) | 2022-08-31 | 2023-08-30 | Wischervorrichtung |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP4581398A1 (de) |
| CN (1) | CN119790320A (de) |
| DE (1) | DE102022209021A1 (de) |
| WO (1) | WO2024047103A1 (de) |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10391981B2 (en) * | 2016-12-16 | 2019-08-27 | Ford Global Technologies, Llc | Washing apparatus for a sensor enclosure |
| EP3838691B1 (de) * | 2019-12-18 | 2022-07-13 | Valeo Systèmes d'Essuyage | Wischvorrichtung für ein detektionssystem |
| EP3862234B1 (de) * | 2020-02-07 | 2024-05-01 | Valeo Systèmes d'Essuyage | Wischvorrichtung für ein detektionssystem |
-
2022
- 2022-08-31 DE DE102022209021.7A patent/DE102022209021A1/de not_active Withdrawn
-
2023
- 2023-08-30 CN CN202380062790.3A patent/CN119790320A/zh active Pending
- 2023-08-30 EP EP23762482.0A patent/EP4581398A1/de not_active Withdrawn
- 2023-08-30 WO PCT/EP2023/073781 patent/WO2024047103A1/de not_active Ceased
Also Published As
| Publication number | Publication date |
|---|---|
| CN119790320A (zh) | 2025-04-08 |
| DE102022209021A1 (de) | 2024-02-29 |
| WO2024047103A1 (de) | 2024-03-07 |
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Legal Events
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| 18D | Application deemed to be withdrawn |
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