EP3606793A1 - Schutz einer fahrzeugscheibe mittels einer scheibenwischeinrichtung - Google Patents
Schutz einer fahrzeugscheibe mittels einer scheibenwischeinrichtungInfo
- Publication number
- EP3606793A1 EP3606793A1 EP18712540.6A EP18712540A EP3606793A1 EP 3606793 A1 EP3606793 A1 EP 3606793A1 EP 18712540 A EP18712540 A EP 18712540A EP 3606793 A1 EP3606793 A1 EP 3606793A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- vehicle window
- wiper device
- windshield wiper
- vehicle
- windshield
- 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- Withdrawn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
- 238000000034 method Methods 0.000 claims abstract description 18
- 238000004140 cleaning Methods 0.000 claims abstract description 4
- 239000000463 material Substances 0.000 claims description 9
- 239000013013 elastic material Substances 0.000 claims description 2
- 230000006378 damage Effects 0.000 description 11
- 231100001261 hazardous Toxicity 0.000 description 6
- 239000004575 stone Substances 0.000 description 4
- 230000001276 controlling effect Effects 0.000 description 3
- 238000001514 detection method Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 241000238631 Hexapoda Species 0.000 description 1
- 230000003466 anti-cipated effect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 108090000623 proteins and genes Proteins 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Classifications
-
- 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
- B60S1/06—Wipers or the like, e.g. scrapers characterised by the drive
- B60S1/08—Wipers or the like, e.g. scrapers characterised by the drive electrically driven
- B60S1/0818—Wipers or the like, e.g. scrapers characterised by the drive electrically driven including control systems responsive to external conditions, e.g. by detection of moisture, dirt or the like
-
- 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
- B60S1/0488—Wiper arrangement for crash protection or impact absorption
Definitions
- the invention relates to a system and a method for protecting a vehicle window in front of a moving in the direction of the vehicle window object. It also relates to a data carrier with program code means for carrying out the method.
- a method and an apparatus for operating a windscreen wiper and windscreen washer system of a vehicle is known.
- the aim of this is to improve a driver's vision when a quantity of material is thrown onto the windshield of the vehicle.
- a sensor determines a distance and / or an approaching speed of the amount of material approaching the vehicle and triggers, if necessary, a wiping process and / or a washing process.
- Object of the present invention is therefore to improve the prior art.
- the vehicle window is in particular a windshield or front window of the vehicle.
- the system or the method or the data carrier can be used to protect the vehicle window of any vehicle, in particular a land, air or water vehicle.
- the invention can therefore also refer to a land vehicle, aircraft or watercraft which has this system or this data carrier or in which the method is used.
- the system or the method or the data carrier in a motor vehicle such as a passenger car or truck, used to protect a windshield of the motor vehicle.
- a sensor for detecting the moving in the direction of the vehicle window object As explained in the introduction, the object may be, for example, a stone, a bird, a branch, etc.
- the sensors are suitable for detecting such objects.
- a windshield wiper device is provided for cleaning the vehicle window. This may in particular be a windscreen wiper known per se.
- the windshield wiper device is moved so that the object impinges on the windshield wiper device.
- the object no longer impacts directly on the vehicle window, but instead on the windshield wiper device.
- the system for protecting the vehicle window is thus designed to move the windshield wiper device so that the object impinges on the windshield wiper device.
- the system thus has corresponding means, in particular control and / or regulating means, for moving the windscreen wiper device between the vehicle window and the object accordingly.
- the windshield wiper device has a greater flexibility or yield compared to the vehicle window. It takes at least part of the Impact energy of the object and thereby prevents the damage or destruction of the vehicle window. Damage or destruction of the windshield wiper device can often be accepted as this is usually a lesser economic damage than damage or destruction of the vehicle window. Moreover, unlike a vehicle window, a windshield wiper device is usually simple and replaceable in many places.
- LIDAR Light detection and ranging
- RADAR radio detection and ranging
- a preferred camera system has at least two video cameras in order to enable a three-dimensional detection of the object.
- several sensor systems are combined in the sensor. Thus, the respective strengths of the sensor systems can be exploited and the respective weaknesses can be minimized.
- the sensor system or systems used to protect the vehicle window can already be provided in the vehicle for other purposes, for example for an emergency brake assistant and / or for (partially) autonomously guiding the vehicle and / or for warning an occupant of the vehicle.
- the sensor system can thus be an environment sensor of the vehicle that is present anyway.
- the required calculation means may also be present in the vehicle in the form of one or more control devices, for example for controlling or evaluating certain already existing vehicle systems.
- the protection system is designed to determine an expected trajectory of the object.
- the system determines a probable path of movement of the object in the direction of the vehicle window.
- the protection system is then designed to use the trajectory to estimate an expected point of impact of the object on the vehicle. to determine the lens. In this case, in particular a self-motion of the vehicle is also taken into account.
- the windshield wiper device can be moved to exactly this impact point.
- the system is therefore preferably designed to move the windscreen wiper device to the anticipated point of impact determined by means of the trajectory.
- the system may be designed to trigger a wiping action of the windscreen wiper device at the right time and at the appropriate speed so that it is at the impact point at the expected impact time.
- the windshield wiper device is then then caused to perform an ordinary wiping process.
- the system selects the speed and start time of the wiping operation so that the windshield wiper device will arrive at the impact point at the time of impact.
- the system may be configured to position the windshield wiper device at the prospective impact point, for example, by controlling or controlling a drive of the windshield wiper device.
- the windshield wiper device thus performs no ordinary wiping process, but is specifically moved by the proposed protection system to the point of impact, where appropriate, to remain there until the object hangs there.
- the windshield wiper device preferably has a deflector shield for incoming objects.
- a deflector can, for example, be an extra widening of the windshield wiper device.
- the shield serves to increase the hit area for incoming objects.
- a deflector can be aerodynamically shaped advantageous. The deflector increases the chance that the windshield wiper device will be hit instead of the windshield.
- the deflector consists of particularly elastic material or has such a material.
- a suitable material may be, for example, foam and / or soft rubber. Pore rubber is a particularly suitable material.
- the system can be designed for this or the method can provide that the object moving in the direction of the vehicle window is categorized according to its endangerment for the vehicle window. At least "potentially dangerous" and “non-hazardous" categories can be provided as categories. An object categorized as potentially dangerous can damage or destroy the vehicle window. An object classified as non-hazardous can neither damage nor destroy the vehicle window. Accordingly, it can be provided that the system only operates the windscreen wiper device when the object has been categorized as potentially dangerous for the vehicle window.
- this categorization is made based on the shape and / or size of the object.
- leaves or small insects may be recognized as such and categorized as non-hazardous, while, for example, larger branches, stones or birds may be recognized as such and categorized as potentially hazardous.
- the sensor system has a LIDAR and / or RADAR system
- the retroreflective behavior can thus also be used to categorize the object moving in the direction of the vehicle window.
- the windshield wiper device is moved to clean the vehicle window so that the object hits the windshield wiper device.
- the program code means are adapted to carry out the proposed method.
- the invention may also include a control unit or the like for actuating a windshield wiper device which has such a data carrier.
- FIG. 1 shows a schematic illustration of a motor vehicle 1 with a windscreen 2.
- the motor vehicle 1 further has a windshield wiper device 3.
- the disc 2 can be wiped off, in particular to remove dirt therefrom.
- the motor vehicle 1 also has a sensor system 4. This is suitable for detecting objects 5 moving in the direction of the vehicle window 1.
- the sensor system 4 is, in particular, an ambient sensor system which is present anyway for detecting objects in an environment of the motor vehicle 1.
- the sensor system 4 can therefore be provided in particular to automatically decelerate and / or steer the motor vehicle 1 and / or to warn an occupant of the vehicle 1 of objects located in the surroundings.
- the motor vehicle 1 also has a protective system for protecting the windshield 2 from objects 5 which move in the direction of the disk 2 and constitute a potential threat to the windscreen 2. These are often stones, branches or birds.
- the system for protecting the windshield 2 is adapted to position the windshield wiper device 3 between the disk 2 and the object 5 such that the object 5 impinges on the windshield wiper device 3 instead of the windshield 2.
- the system determines based on the information of the sensor 4 an expected trajectory 6 of the object 5.
- the proper motion of the motor vehicle 1 is taken into account.
- the trajectory 6 pierces the windshield 2 at one point.
- the expected trajectory 6 and the prospective impact point 7 are in particular continuously determined based on current information of the sensor 4 and thus approximated to an actual impact point.
- the system moves the windshield wiper device 3 to the prospective impact point 7 so that the windshield wiper device 3 is there at the latest at the time of impact.
- the system can either timely initiate an ordinary wiping process of the windshield wiper device 3 with the appropriate wiper speed, or position the windshield wiper device 3 in a targeted manner at the prospective impact point 7.
- the system may decide in advance whether the objects 5 for the windshield 2 are potentially hazardous or non-hazardous. Accordingly, it can categorize the objects 5 and actuate the windshield wiper device 3 only when necessary (potentially dangerous).
- the system may provide its own means to carry out the required calculations (trajectory 6, point of impact 7, etc.), such as its own controller.
- the system preferably uses the motor vehicle 1 anyway.
- existing means such as the control unit for actuating the windshield wiper device 3 and / or the control unit of the sensor 4.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Automation & Control Theory (AREA)
- Traffic Control Systems (AREA)
- Optical Radar Systems And Details Thereof (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102017205967.2A DE102017205967B4 (de) | 2017-04-07 | 2017-04-07 | Schutz einer Fahrzeugscheibe mittels einer Scheibenwischeinrichtung |
| PCT/EP2018/056496 WO2018184809A1 (de) | 2017-04-07 | 2018-03-15 | Schutz einer fahrzeugscheibe mittels einer scheibenwischeinrichtung |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP3606793A1 true EP3606793A1 (de) | 2020-02-12 |
Family
ID=61750093
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP18712540.6A Withdrawn EP3606793A1 (de) | 2017-04-07 | 2018-03-15 | Schutz einer fahrzeugscheibe mittels einer scheibenwischeinrichtung |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP3606793A1 (de) |
| DE (1) | DE102017205967B4 (de) |
| WO (1) | WO2018184809A1 (de) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102021129389B4 (de) | 2021-11-11 | 2024-06-06 | Webasto SE | Dachmodul zur Bildung eines Fahrzeugdachs mit einer Reinigungseinrichtung und Verfahren zur Reinigung eines Durchsichtsbereiches |
| US20240190220A1 (en) * | 2022-12-13 | 2024-06-13 | Invention Licensing | Airborne Object Deflection System |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09189533A (ja) * | 1996-01-11 | 1997-07-22 | Tokai Rika Co Ltd | 付着物センサ及び付着物感応ワイパ |
| DE10336638A1 (de) * | 2003-07-25 | 2005-02-10 | Robert Bosch Gmbh | Vorrichtung zur Klassifizierung wengistens eines Objekts in einem Fahrzeugumfeld |
| DE10339696B4 (de) * | 2003-08-28 | 2007-12-27 | Siemens Ag | Vorrichtung zur Erfassung von Objekten auf einer transparenten Wand, insbesondere von Regentropfen auf einer Windschutzscheibe |
| DE102005051218B4 (de) | 2004-11-06 | 2019-05-23 | Conti Temic Microelectronic Gmbh | Verfahren und Vorrichtung zur Vermeidung von Unfällen |
| DE102011114653A1 (de) * | 2011-09-30 | 2012-04-19 | Daimler Ag | Fußgängerschutzvorrichtung für ein Fahrzeug |
| GB2509370A (en) * | 2013-11-04 | 2014-07-02 | Daimler Ag | Airbag mounted on a windscreen wiper |
| DE102014212777B4 (de) * | 2014-07-02 | 2019-05-29 | Continental Automotive Gmbh | Verfahren und Vorrichtung zur automatischen Steuerung eines Scheibenwischers |
-
2017
- 2017-04-07 DE DE102017205967.2A patent/DE102017205967B4/de not_active Expired - Fee Related
-
2018
- 2018-03-15 EP EP18712540.6A patent/EP3606793A1/de not_active Withdrawn
- 2018-03-15 WO PCT/EP2018/056496 patent/WO2018184809A1/de not_active Ceased
Also Published As
| Publication number | Publication date |
|---|---|
| DE102017205967B4 (de) | 2020-11-19 |
| DE102017205967A1 (de) | 2018-10-11 |
| WO2018184809A1 (de) | 2018-10-11 |
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