EP3802238A1 - Window cleaning device - Google Patents
Window cleaning deviceInfo
- Publication number
- EP3802238A1 EP3802238A1 EP19724451.0A EP19724451A EP3802238A1 EP 3802238 A1 EP3802238 A1 EP 3802238A1 EP 19724451 A EP19724451 A EP 19724451A EP 3802238 A1 EP3802238 A1 EP 3802238A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- unit
- control
- electrical
- wiper blade
- cleaning device
- 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- Withdrawn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
- 238000004140 cleaning Methods 0.000 title claims abstract description 55
- 239000012530 fluid Substances 0.000 claims abstract description 104
- 230000001105 regulatory effect Effects 0.000 claims abstract description 91
- 230000033001 locomotion Effects 0.000 claims abstract description 54
- 238000001514 detection method Methods 0.000 claims description 37
- 238000000034 method Methods 0.000 claims description 34
- 230000001419 dependent effect Effects 0.000 claims description 16
- VVNCNSJFMMFHPL-VKHMYHEASA-N D-penicillamine Chemical compound CC(C)(S)[C@@H](N)C(O)=O VVNCNSJFMMFHPL-VKHMYHEASA-N 0.000 claims description 2
- 229940075911 depen Drugs 0.000 claims description 2
- 230000006870 function Effects 0.000 description 35
- 230000001276 controlling effect Effects 0.000 description 8
- 230000004044 response Effects 0.000 description 6
- 239000000725 suspension Substances 0.000 description 5
- 230000003287 optical effect Effects 0.000 description 4
- 238000004891 communication Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000010408 sweeping Methods 0.000 description 3
- 230000004913 activation Effects 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000009849 deactivation Effects 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 230000003137 locomotive effect Effects 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 238000013461 design Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000003746 surface roughness Effects 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 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
- B60S1/46—Cleaning windscreens, windows or optical devices using liquid; Windscreen washers
- B60S1/48—Liquid supply therefor
- B60S1/481—Liquid supply therefor the operation of at least part of the liquid supply being controlled by electric means
- B60S1/485—Liquid supply therefor the operation of at least part of the liquid supply being controlled by electric means including control systems responsive to external conditions, e.g. by detection of moisture, dirt or the like
Definitions
- the invention relates to a windshield cleaning device, in particular for motor vehicles, with at least one wiper blade, with at least one drive unit to a movement of the wiper blade along at least one ticket at least one motor vehicle and with at least one fluid dispensing unit to a humidification of the disc.
- the windscreen cleaning device comprise at least one control and / or regulating unit which is provided to control and / or regulate the fluid output as a function of at least one movement friction value of the wiper blade on the windscreen.
- the wiper blade is preferably designed as a windshield wiper or at least as part of a windshield wiper.
- the wiper blade is preferably on the motor vehicle, in particular on the disc of the motor vehicle, angeord net.
- the disc is as a windscreen and / or a rear window formed of the motor vehicle.
- the disc as a side window of the motor vehicle, as a disc of a headlight cover of the motor vehicle o. The like. Is formed.
- the wiper blade is in particular connected to the drive unit.
- the drive unit is preferably designed as a motor, in particular as an electric motor, or has at least one motor.
- the drive unit is seen before to move the wiper blade to a cleaning of the disc along the disc, in particular on the disc, the wiper blade is in particular in contact with the disc.
- a friction between the wiper blade in particular special at least one wiper lip of the wiper blade, and the disc.
- the friction between the wiper blade and the disk is quantifiable by means of the amount of movement friction of the wiper blade on the disk. The friction between the wiper blade and the disc is dependent, in particular, on a surface condition, in particular moisture, of the wiper blade and / or the disc.
- the more wet the wiper blade and / or the disc the less the friction between the wiper blade and the disc.
- a moistened surface, in particular the disc, on a fluid film on which slide the wiper blade at least teilwei se, in particular float, and in particular a Be wegreibreibungswert the wiper blade on the disc compared to a tro ckenen disc reduced.
- the fluid film at least locally reduces surface roughness, particularly a coefficient of friction, of the disc as compared to a dry disc.
- a moistened disc compared to a dry disc in particular on microscopic level, a smaller, in particular friction generating, Nawir effect with the wiper blade.
- the Scheibenurbansvorrich device in particular on the windshield of the motor vehicle, have at least two wiper blades.
- the term "intended” should be understood in particular to be specially programmed, specially designed and / or specially equipped. Down there, that an object is provided for a particular function, should be understood in particular special that the object fulfills this specific function in at least one application and / or operating state and / or performs.
- the fluid dispensing unit is provided in particular for cleaning the disc by means of moistening the disc.
- the fluid dispensing unit is provided for dispensing a fluid, in particular a mopping water, onto the disc.
- the fluid dispensing unit preferably has at least one nozzle element for dispensing a fluid.
- the nozzle element may preferably be arranged on the motor vehicle, in particular on a body of the motor vehicle, and / or on the wiper blade.
- the fluid dispensing unit preferably has at least one fluid reservoir for storing a fluid.
- the fluid dispensing unit has at least one positive and / or negative pressure unit, in particular a pump, which is provided to port a fluid from the fluid reservoir to the nozzle element, in particular through at least one fluid line element of the fluid dispensing unit, and output it through the nozzle element, in particular to spray.
- a "control and / or regulating unit” should in particular be understood to mean a unit having at least one control electronics.
- a "control electronics” is to be understood in particular a unit having a processor unit and a memory unit and a stored in the memory unit Radio program.
- the control and / or regulating unit is arranged within the motor vehicle, in particular as a part of a driving zeektrektronik of the motor vehicle formed.
- the control and / or regulating unit is connected to a control and / or regulation of the fluid dispensing unit electrically connected to the fluid dispensing unit, in particular with at least one control of the fluid dispensing unit, which controls the nozzle element and / or the over and / or vacuum unit.
- control and / or regulating unit is provided to provide the fluid dispensing unit in response to the motion friction value, a signal to an output of a fluid be.
- the fluid dispensing unit is provided to output a predetermined amount of fluid as a function of the signal.
- control and / or regulating unit of the fluid dispensing unit provides different signals corresponding to different quantities of fluid to be dispensed as a function of different coefficients of movement of the fluid.
- the fluid dispensing unit is intended to dispense the larger amounts of fluid, the greater the amount of kinetic friction, especially the friction between the wiper blade and the disc is.
- At least one movement friction limit is stored in the memory unit of the control and / or regulating unit.
- the control and / or regulating unit is provided for controlling and / or regulating the fluid dispensing unit as a result of an overrun of the movement friction threshold.
- the window cleaning device has at least one Erfas sung unit, which is intended to value a current motion friction, in particular indirectly and / or directly to detect.
- the Erfas sung unit is provided to thehuisreibungswert indirectly erfas sen.
- the detection unit is provided to detect a dependent of the motion friction value parameter, for example, a rule electrical motor current, an electric motor voltage or an engine speed of the drive unit.
- the control and / or regulating unit is provided to infer from the parameter dependent on the motion friction value on the motion friction value.
- the detection unit is intended to record the value of the dynamic friction directly.
- the detection unit may have at least one, in particular on the disc and / or on the wiper blade arranged, friction sensor element for a direct acquisition of the kinetic friction value.
- the friction sensor element can preferably be provided for an optical, electrostatic, electromagnetic, mechanical or the like detection of the value of the dynamic motion.
- the wiper blade and / or the disc are at least partially formed as a Reibungssensorel ement.
- the window cleaning device can advantageously be minimized friction between a wiper blade and a disc mi.
- a power consumption of a wiper blade driving drive unit can be minimized. It can be provided an advantageously ver low-wear and energy-efficient windscreen cleaning device, which allows advantageously low energy consumption, in particular fuel consumption of a motor vehicle.
- the control and / or regulating unit is provided for controlling and / or regulating the fluid dispensing unit as a function of at least one electrical and / or mechanical operating parameter of the drive unit that depends on the movement friction value of the wiper blade.
- control and / or regulating unit is provided for controlling and / or regulating the fluid dispensing unit as a function of at least one electrical and / or mechanical operating parameter of the motor of the drive unit that depends on the movement friction value of the wiper blade.
- An electrical operating parameter preferably comprises at least one electrical variable, for example electrical voltage, electrical current, electrical resistance or the like.
- a mechanical operating parameter preferably comprises at least one mechanical variable, for example rotational speed, torque, rotational speed, force or the like and / or mechanical operating parameters at least indirectly depending on the motion friction value, preferably at least directly dependent on the motion friction coefficient and, more preferably, proportional to the motion friction value.
- a direct detection of thejpgrei advertising value in particular by separate sensors on the wiper blade and / or the disc can be dispensed with.
- a durable and sammlungns term disk cleaning device can be provided.
- the electrical and / or mechanical loading operating parameters as an electric motor current, voltage as an electrical engine or voltage as an engine speed of the drive unit is formed.
- the electric motor current, the electric motor voltage and the electric motor speed of the drive unit depending on the niethsrei advertising value.
- the electric motor current of the drive unit is greater, the greater the amount of motor friction.
- the motor voltage of the drive unit is the greater, the greater the amount of kinetic friction is worth.
- the engine speed of the drive unit is smaller, the larger the amount of dynamic friction is.
- control and / or regulating unit controls and controls the fluid dispensing unit as a function of single Lich a single electrical and / or mechanical operating parameters of the drive unit, for example, depending on the electric motor current or in dependence on the electric motor voltage or in dependence from the engine speed.
- control and / or re geliki the fluid dispensing unit in response to at least two, preferably in accordance with all electrical and / or mechanical loading operating parameters of the drive unit controls and / or regulated.
- control and / or regulating unit uses various electrical shear and / or mechanical operating parameters to infer back to different motion friction values and controls and / or regulates the fluid dispensing unit as a function of an average value of the various motion friction values.
- the fluid dispensing unit can be controlled and / or regulated as a function of operating parameters that are easy to determine.
- the windscreen cleaning device comprises at least one detection unit connected to the control and / or regulating unit, which is provided for detecting at least one electrical and / or mechanical operating parameter of the drive unit.
- the detection unit is electrically connected to the control and / or regulating unit, in particular for providing at least one electrical signal to the control and / or regulating unit as a function of the detected electrical and / or mechanical operating parameters of the drive unit.
- the detection unit to a detection, in particular to a measurement of the electrical and / or mechanical operating parameters at least one, in particular arranged on the engine, sensor element.
- the sensor element may in particular as a voltage sensor, as a
- the detection unit is provided for detecting the electrical and / or mechanical operating parameter, in particular the electric motor current and / or the electric motor voltage in depen dence of a counter electromotive force of the motor.
- the detection unit may comprise a plurality of different sensor elements for one, in particular simultaneous, detection of a plurality of different electrical and / or mechanical operating parameters.
- the control and / or regulating unit has at least one, in particular electronic, filter unit for filtering one of the detectors.
- the detection unit has a filter unit and in particular provides the control and / or regulating unit with a filtered signal.
- a precise detection of the electrical and / or mechanical operating parameter can be achieved.
- control and / or regulating unit is provided for a determination and / or storage of an operating parameter mean value of at least one electrical and / or mechanical operating parameter of the drive unit via at least one wiping cycle of the drive unit.
- a wiping cycle of the drive unit corresponds to a predetermined number of revolutions of the motor, in particular a predetermined number of complete sweeps of the wiper blade over the ticket.
- a wiping cycle corresponds to at least one complete sweeping of the wiper blade in a first direction across the disk and a complete sweeping of the wiper blade in a second direction opposite to the first direction over the disk.
- the wiping cycle corresponds to a plurality of complete oversteps of the wiper blade over the disk, for example a period between an activation and a deactivation of a wiping movement of the wiper blade.
- the detection unit detects a plurality of values of the electrical and / or mechanical operating parameter within the wiping cycle.
- the control and / or regulating unit in particular a computing unit of the control and / or regulating unit, for example a microcontroller, is preferably provided with the operating parameter mean value of the electrical and / or mechanical operating parameter from the plurality of values of the electrical and / or mechanical operating parameter in particular to calculate.
- the control and / or regulating unit is provided to store the determined operating parameter mean value, in particular in the memory unit and in particular over a predetermined period, for example, a life of the wiper blade. It can be achieved before geous precise control and / or regulation of the fluid dispensing unit. Furthermore, it is proposed that the control and / or regulating unit is provided for controlling and / or regulating the fluid dispensing unit as a function of at least one comparison of a currently detected electrical and / or mechanical operating parameter with the operating parameter mean value.
- the arithmetic unit of the control and / or regulating unit in particular special means of at least one adaptation algorithm, provided to compare the currently detected electrical and / or mechanical operating parameters with the operating parameter mean value.
- control and / or regulating unit has at least one logic circuit, for example an application-specific integrated circuit (ASIC), which compares the currently detected electrical and / or mechanical operating parameters with the operating parameter mean value.
- ASIC application-specific integrated circuit
- the control and / or regulating unit is preferably provided to control and / or regulate the fluid dispensing unit in such a way that a fluid dispensing takes place if the currently detected electrical and / or mechanical operating parameter has a value greater than the operating parameter mean value.
- the control and / or regulating unit is provided to control and / or regulate the fluid dispensing unit such that fluid dispensing fails or is aborted if the currently detected electrical and / or mechanical operating parameter has a value less than the operating parameter average.
- a presetting of at least one limit value of the electrical and / or mechanical operating parameter can be dispensed with.
- control and / or regulating unit is provided to adapt the operating parameter average value, in particular over an at least substantially complete life of the drive unit, as a function of a plurality of determined electrical and / or mechanical operating parameters of the drive unit.
- control and / or regulating unit is provided to increase the operating parameter value over an at least substantially complete life of the wiper blade and / or the fluid dispensing unit as a function of a plurality of detected electrical and / or mechanical Adjust operating parameters of the drive unit.
- control and / or control unit in particular the arithmetic unit of the control and / or regulating unit, is provided to the operating parameter mean, in particular continuously, as a function of each detected electrical and / or me chanical operating parameters, in particular depending on each detected value of the electrical and / or mechanical operating parameter, Ceipas sen.
- a precise operating parameter average can be determined.
- an efficiency, precision and performance of the Scheibenreini generating device in particular automatically be increased.
- the invention proceeds from a method for operating a window cleaning device, in particular a screen cleaning device according to the invention.
- At least one fluid dispensing unit is controlled and / or regulated as a function of at least one movement value of at least one wiper blade.
- a friction between a wiper blade and a disc can be minimized.
- a power consumption of a wiper blade driving drive unit can be minimized.
- the fluid delivery unit be controlled and / or regulated as a function of at least one electrical and / or mechanical operating parameter dependent on the amount of movement of the wiper blade.
- a direct detection of the motion friction value, in particular by separate sensors on the wiper blade and / or the ticket be omitted.
- the fluid dispensing unit is controlled and / or regulated as a function of at least one comparison of a currently detected electrical and / or mechanical operating parameter with at least one operating parameter average over at least one wiping cycle of the drive unit.
- Advantageously precise control and / or regulation of the fluid dispensing unit can be achieved.
- the invention is based on a motor vehicle with at least one windscreen cleaning device according to one of claims 1 to 7.
- the motor vehicle is preferably as a passenger car (cars) or as a truck (truck) formed.
- the motor vehicle is designed as a bus, as a motorcycle, as a tractor, as a construction machine, as a Ket ten2.1 or as another, a person skilled in the appear appropriate motor vehicle.
- the motor vehicle has the ticket bentivsvorraum on at least one disc of the motor vehicle.
- the windscreen cleaning device in particular the control and / or re gelong, may preferably be connected to other components of the motor vehicle, for example, a vehicle electronics, a rain sensor o. The like., In particular electrically.
- a motor vehicle ver different vehicles, such as a locomotive, an aircraft, a ship o. The like., Include the window cleaning device.
- a low-maintenance and low-consumption motor vehicle can be provided.
- the window cleaning device according to the invention, the motor vehicle according to the invention and / or the method according to the invention should / should not be limited to the application and embodiment described above.
- the pane cleaning device according to the invention, the motor vehicle according to the invention and / or the method according to the invention can have a number deviating from a number of individual elements, components and units as well as method steps as described herein for performing a function described herein.
- values lying within the stated limits are also to be regarded as disclosed and to be used as desired.
- FIG. 1 is a rear view of a motor vehicle according to the invention in a perspective view
- Fig. 2 is a block diagram of an inventive Scheibenreini generating device in a schematic representation
- Fig. 3 is a flow diagram of a method according to the invention to an operation of the invention Scheibentivsvor direction in a schematic representation.
- Figure 1 shows a rear view of a motor vehicle 12.
- the motor vehicle 12 is formed as a passenger car. Alternatively, it is conceivable that the motor vehicle 12 is designed as a truck, as a bus, as a motorcycle, as a train machine, as a construction machine, as a tracked vehicle or as another, one skilled in the art appear appropriate motor vehicle.
- the motor vehicle 12 has a window cleaning device 10.
- the discs cleaning device 10 is at least partially disposed on at least one disc 18 of the motor vehicle 12.
- the windscreen cleaning device 10 is at least partially disposed within the motor vehicle 12, in particular within a body 32 of the motor vehicle 12. A partial arrangement of the window cleaning device 10 within the motor vehicle 12 is indicated by egg dashed area.
- the disc 18 is formed as a rear window of the motor vehicle 12.
- the disc 18 as a windscreen of the motor vehicle 12, as a side window of the motor vehicle 12, as a disc of a headlight cover of the motor vehicle 12 o.
- the windscreen cleaning device 10 in particular a control and / or regulating unit 22 of the windscreen cleaning device 10, can zeegelektronik with another components of the motor vehicle 12, for example, a rain sensor o. The like., In particular electrically connected his.
- the window cleaning device 10 includes a wiper blade 14.
- the wiper blade 14 is formed as a windshield wiper.
- the wiper blade 14 is madebil det at least as a part of a windshield wiper.
- the wiper blade 14 is arranged on the motor vehicle 12, in particular on the disc 18 of the motor vehicle 12.
- the wiper blade 14 is arranged on the disc 18 via a wiper blade suspension 34 of the window cleaning device 10.
- a wiper blade suspension 34 On the wiper blade suspension 34, in particular at least partially within the wiper blade suspension 34, a nozzle element of a Flu idausgabetician 20 of the window cleaning device 10 is arranged.
- the discs cleaning device 10 for use on various vehicles, such as a locomotive, an aircraft, a ship o. The like., Be provided.
- FIG. 2 shows a block diagram of the window cleaning device 10 in a schematic representation.
- the window cleaning device 10 comprises a drive unit 16.
- the drive unit 16 is provided for movement of the wiper blade 14 along the pane 18 of the motor vehicle 12.
- the disk cleaning device 10 comprises the fluid dispensing unit 20.
- the fluid dispensing unit 20 is provided for moistening the disc 18.
- the disk cleaning device 10 comprises at least one control and / or regulating unit 22.
- the control and / or regulating unit 22 is provided to control and / or to supply the fluid dispensing unit 20 as a function of at least one movement friction value of the wiper blade 14 on the disk 18 regulate.
- the wiper blade 14 is connected to the drive unit 16, in particular via the wiper blade suspension 34.
- the drive unit 16 is designed as a motor, in particular as an electric motor, or has at least one motor.
- the drive unit 16 is provided to the wiper blade 14 to a cleaning of the ticket be 18 along the disc 18, in particular to move over the disc 18, wherein the wiper blade 14 is in contact with the disc 18.
- BeWe movement of the wiper blade 14 along the disc 18 creates a friction between the wiper blade 14, in particular at least one wiper lip of the wiper blade 14, and the disc 18.
- the friction between the wiper blade 14 and the disc 18 is by means of the motion friction value of the wiper blade 14 at the disc 18 quantifiable.
- the friction between the wiper blade 14 and the The disc 18 is dependent on a surface finish of the wiper blade 14 and / or the disc 18.
- the friction between the wiper blade 14 and the disc 18 is dependent on a humidity of the wiper blade 14 and / or the disc 18.
- the friction between the wiper blade 14 and the Disc 18 is the lower, the wetter the wiper blade 14 and / or the disc 18 is / is.
- the windscreen cleaning device 10 may have at least two wiper blades 14, in particular on the windshield of the motor vehicle 12.
- the fluid dispensing unit 20 is provided for cleaning the disc 18 by means of moistening the disc 18.
- the fluid dispensing unit 20 is provided for dispensing a fluid, in particular a fountain solution, onto the disc 18.
- the fluid dispensing unit 20 has at least one nozzle element for dispensing a fluid.
- the nozzle element can be arranged on the motor vehicle 12, in particular on the body 32 of the motor vehicle 12, and / or on the wiper blade 14. In the present embodiment, the Dü senelement example, at least partially disposed within the wiper blade suspension 34.
- the fluid dispensing unit 20 has at least one fluid reservoir for storing a fluid.
- the fluid dispensing unit 20 has at least one positive and / or negative pressure unit which is provided to transport a fluid from the fluid reservoir to the nozzle element, in particular through at least one fluid line element of the fluid dispensing unit 20, and to dispense it through the nozzle element.
- the positive and / or negative pressure unit may be formed, for example, as a pump.
- the nozzle element is intended to spray a fluid.
- the fluid reservoir and the over and / or vacuum unit are not shown.
- the control and / or regulating unit 22 is arranged within the motor vehicle 12 is.
- the control and / or regulating unit 22 is formed as a part of the vehicle electronics of the motor vehicle 12.
- the control and / or regulating unit 22 is for controlling and / or regulating the fluid dispensing unit 20 electrically with the fluid dispensing unit 20, in particular with at least one control of the fluid dispensing unit 20, which controls the nozzle element and / or the positive and / or negative pressure unit, connected.
- the control and / or regulating unit 22 is provided to provide the fluid dispensing unit 20 with a signal for dispensing a fluid in response to the amount of travel friction.
- the Fluid dispensing unit 20 is adapted to dispense a predetermined amount of fluid in response to the signal.
- control and / or regulating unit 22 of the fluid dispensing unit 20 provides different signals corresponding to different amounts of fluid to be dispensed, as a function of different movement friction values.
- the fluid dispensing unit 20 is provided to dispense the larger amounts of fluid, the larger the coefficient of dynamic friction, in particular the friction between the wiper blade 14 and the disc 18, is.
- a storage unit of the control and / or regulating unit 22 at least one movement friction limit is stored.
- the control and / or regulating unit 22 is intended to control and / or regulate the fluid dispensing unit 20 as a result of exceeding the travel friction limit value.
- the window cleaning device 10 has at least one detection unit 24.
- the detection unit 24 is provided to detect a current motion friction value.
- the detection unit 24 is provided to detect the motion friction value indirectly.
- the detection unit 24 is provided to detect a parameter dependent on the motion friction value, for example an electric motor current, an electric motor voltage or an engine speed of the drive unit 16.
- the control and / or regulating unit 22 is provided to close gurzu of the motion of the exercise value dependent parameter on theutzsreibungswert.
- the detection unit 24 is vorgese hen to detect the motion friction value directly.
- the detection unit 24 may have at least one, in particular on the disc 18 and / or arranged on the wiper blade 14 tes, friction sensor element for a direct detection of the movement friction value.
- the friction sensor element can be provided for an optical, electrostatic, electromagnetic, mechanical or the like detection of the movement friction value. It is conceivable that the wiper blade 14 and / or the disc 18 are at least partially formed as a Rei bungssensorelement
- the control and / or regulating unit 22 is provided to regulate the fluid dispensing unit 20 as a function of at least one of the moving friction value of the wiper blade 14 dependent electrical and / or mechanical operating parameter of the drive unit 16 to control and / or to regulate.
- the control and / or regulating unit 22 is provided for controlling and / or regulating the fluid dispensing unit 20 as a function of at least one electrical and / or mechanical operating parameter of the motor of the drive unit 16 which is dependent on the movement friction value of the wiper blade 14.
- a mechanical operating parameter comprises at least one mechanical variable, for example speed, torque, rotational speed, force or the like.
- the electrical and / or mechanical is at least indirectly dependent on the motion friction value, preferably at least directly dependent on the motion friction value and particularly preferably proportional to the motion friction value.
- the electrical and / or mechanical operating parameter is embodied as an electrical motor current, as an electrical motor voltage or as an engine speed of the drive unit 16.
- the electric motor current, the electric Mo tors voltage and the electric motor speed of the drive unit 16 are dependent on the motion friction value.
- the electric motor current to the drive unit 16 is the greater, the greater the amount of motor friction.
- the motor voltage of the drive unit 16 is the greater, the greater the BEWE friction value is.
- the engine speed of the drive unit 16 is the smaller the larger the amount of motion friction is.
- the control and / or regulating unit 22 controls and / or controls the fluid dispensing unit 20 as a function of only a single electrical and / or mechanical operating parameter to the drive unit 16, for example, depending on the electric motor current or in dependence on the electric motor voltage or in dependence from the engine speed.
- the control and / or regulating unit 22 it is conceivable for the control and / or regulating unit 22 to control and / or regulate the fluid dispensing unit 20 as a function of at least two, preferably as a function of all electrical and / or mechanical operating parameters of the drive unit 16.
- control and / or regulating unit 22 uses various electrical shear and / or mechanical operating parameters to infer back to different motion friction values and the fluid dispensing unit 20 as a function of is controlled and / or regulated by a mean value of the various motion friction values.
- the detection unit 24 is connected to the control and / or regulating unit 22.
- the detection unit 24 is provided for detecting at least one electrical and / or mechanical operating parameter of the drive unit 16.
- the detection unit 24 is electrically connected to the control and / or regulating unit 22 for providing at least one electrical signal to the control and / or regulating unit 22 as a function of the detected electrical and / or mechanical operating parameter of the drive unit 16.
- the detection unit 24 has at least one sensor element.
- the sensor element is arranged on the motor of the drive unit 16. The sensor element is not shown in Figure 2 for the sake of clarity. An arrangement of the sensor element on the motor of the drive unit 16 is indicated in FIG.
- the sensor element is arranged separately from the motor of the drive unit 16, for example within the control and / or regulating unit 22.
- the sensor element can be referred to as a voltage sensor, as a current sensor, as a position sensor, as a yaw rate sensor, as a magnetic sensor , in particular a Hall sensor, be designed as an optical sensor or as another sensor element which appears sensible to a person skilled in the art.
- the detection unit 24 is provided for detecting the electrical and / or mechanical operating parameter, in particular the electric motor current and / or the electric motor voltage, as a function of a counterelectromotive force of the motor.
- the detection unit 24 may comprise a plurality of different sensor elements for, in particular simultaneous, detection of a plurality of different electrical and / or mechanical operating parameters.
- the control and / or regulating unit 22 has at least one filter unit 36.
- the filter unit 36 is designed as an electronic filter unit 36.
- the filter unit 36 is provided for filtering an electrical signal provided by the detection unit 24 with regard to the detected electrical and / or mechanical operating parameter.
- the detection unit 24 it is conceivable for the detection unit 24 to have a filter unit 36 and the control and / or regulating unit 22 provides a filtered signal.
- the control and / or regulating unit 22 is provided for ascertaining and / or storing an average operating parameter value of at least one electrical and / or mechanical operating parameter of the drive unit 16 via at least one wiping cycle of the drive unit 16.
- a wipe cycle of the drive unit 16 a predetermined number of revolutions of the motor, in particular a predetermined number of complete sweeps of the wiper blade 14 over the disc 18.
- a wiping cycle corresponds to at least a complete sweeping of the wiper blade 14 in a first direction over the disc 18 and a complete sweep
- the wiping cycle corresponds to a plurality of complete over strokes of the wiper blade 14 on the disc 18, for example, a time between activation and deactivation of a wiping movement of the wiper blade fourteenth
- the detection unit 24 detects a plurality of values of the electrical and / or mechanical operating parameter within the wiping cycle.
- the control and / or regulating unit 22, in particular a computing unit 38 of the control and / or regulating unit 22, is provided for from the plurality of values of the electrical and / or mechanical Radio
- the arithmetic unit 38 of the control and / or regulating unit 22 is designed as a microcontroller. Alternatively, it is conceivable that the arithmetic unit 38 is designed as a microprocessor, as a logic circuit, for example an application-specific integrated circuit, or the like.
- the control and / or regulating unit 22 is provided to store the determined operating parameter average value, in particular in the memory unit and in particular over a predetermined period of time, for example a service life of the wiper blade 14.
- the control and / or regulating unit 22 is provided for controlling and / or regulating the fluid dispensing unit 20 as a function of at least one comparison of a currently detected electrical and / or mechanical operating parameter with the operating parameter value.
- the arithmetic unit 38 of the control and / or control unit 22 is intended to be compared.
- the Rechenein unit 38 is provided to compare the currently detected electrical and / or mechanical African operating parameters with the operating parameter average by means of at least one adaptation algorithm.
- the control and / or re gel unit 22 is provided to control the fluid dispensing unit 20 and / or to regulate so that a fluid output occurs when the currently detected electrical and / or mechanical operating parameter has a value greater than the operating parameter mean value.
- the control and / or regulating unit 22 is provided for controlling and / or regulating the fluid dispensing unit 20 in such a way that fluid dispensing fails or is aborted if the currently detected electrical and / or mechanical operating parameter has a value smaller than the operating parameter average value having.
- the window cleaning device 10 has a communication interface 40.
- the control and / or re gel unit 22 and the fluid dispensing unit 20 are provided to communicate with each other via the communication interface 40.
- the control and / or regulating unit 22 and the fluid dispensing unit 20 are provided to exchange electrical signals with each other via the communication interface 40.
- the control and / or regulating unit 22 is provided to adapt the operating parameter term average, in particular over an at least substantially complete life of the drive unit 16, as a function of a plurality of determined electrical and / or mechanical operating parameters of the drive unit 16.
- the control and / or regulating unit 22 is provided to average the operating parameter over an at least substantially complete life of the wiper blade 14 and / or the fluid dispensing unit 20 in dependence on a plurality of determined electrical and / or mechanical operating parameters of the drive unit 16.
- the control and / or regulating unit 22, in particular the arithmetic unit 38 of the control and / or regulating unit 22, is provided for calculating the operating parameter mean value as a function of each detected electrical and / or mechanical operating parameter, in particular as a function of each detected value of the electrical and / or mechanical operating parameters / or mechanical operating parameters.
- the control and / or regulating unit 22 is provided to continuously adjust the operating parameter mean value.
- FIG. 3 shows a flowchart of a method for operating the disk cleaning device 10 in a schematic representation. In at least one method step 26, the fluid dispensing unit 20 is controlled and / or regulated as a function of at least one movement friction value of the wiper blade 14.
- the fluid dispensing unit 20 is controlled and / or regulated in response to at least one electrical and / or mechanical parameter of the drive unit 16 depending on the amount of travel of the wiper blade 14.
- the method step 26 and the further method step 28 are as a method step 26, 28 is shown, in particular as in the further procedural step 28 due to a dependence of the electrical and / or mechanical rule operating parameter of the motion friction value, a control and / or regulation of the fluid dispensing unit 20 also takes place in dependence on the motion friction value.
- the fluid dispensing unit 20 is controlled and / or regulated as a function of at least one comparison of a currently detected electrical and / or mechanical operating parameter with at least one operating parameter mean over at least one wiping cycle of the drive unit 16.
- FIG. 3 shows a sub-method step of the further method step 30, in which the currently detected electrical and / or mechanical operating parameter is compared with the operating parameter average over at least one wiping cycle of the drive unit 16.
- a control and / or regulation of the fluid dispensing unit 20 takes place at least substantially analogously to the method step 26 and the further method step 28.
- the electrical and / or mechanical operating parameter of the drive unit 16 is detected.
- a signal comprising the electrical and / or mechanical operating parameter is filtered.
- the operating parameter mean value of the electrical and / or mechanical operating parameter of the drive unit 16 is determined via at least one wiping cycle of the drive unit 16.
- the operating parameter mean value is stored.
- the operating parameter term tel value in particular on the at least substantially complete life of the drive unit 16 of time, in response to a variety of he averaged electrical and / or mechanical operating parameters of the drive unit 16 adapted.
Landscapes
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Water Supply & Treatment (AREA)
- Mechanical Engineering (AREA)
- Cleaning By Liquid Or Steam (AREA)
- Control Of Direct Current Motors (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102018208993.0A DE102018208993A1 (en) | 2018-06-07 | 2018-06-07 | Plate washing machine |
PCT/EP2019/062281 WO2019233712A1 (en) | 2018-06-07 | 2019-05-14 | Window cleaning device |
Publications (1)
Publication Number | Publication Date |
---|---|
EP3802238A1 true EP3802238A1 (en) | 2021-04-14 |
Family
ID=66554401
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP19724451.0A Withdrawn EP3802238A1 (en) | 2018-06-07 | 2019-05-14 | Window cleaning device |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP3802238A1 (en) |
DE (1) | DE102018208993A1 (en) |
WO (1) | WO2019233712A1 (en) |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2957574B1 (en) * | 2010-03-16 | 2012-03-16 | Valeo Systemes Dessuyage | CONTROLLING A WINDSCREEN SYSTEM ASSOCIATED WITH A WIPING SYSTEM FOR A MOTOR VEHICLE |
DE102012001012A1 (en) * | 2012-01-19 | 2013-07-25 | Gm Global Technology Operations, Llc | Windscreen wiper and washing arrangement for motor car, has wash liquid-prominent feeding line that stands in flow connection with return line for wash liquid, and closed wash liquid circuit comprising wash liquid-promoting pump |
FR2997053B1 (en) * | 2012-10-24 | 2015-07-03 | Valeo Systemes Dessuyage | METHOD AND DEVICE FOR CONTROLLING A WIPING SYSTEM AND WASHING A GLASS OF A VEHICLE |
-
2018
- 2018-06-07 DE DE102018208993.0A patent/DE102018208993A1/en active Pending
-
2019
- 2019-05-14 WO PCT/EP2019/062281 patent/WO2019233712A1/en unknown
- 2019-05-14 EP EP19724451.0A patent/EP3802238A1/en not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
WO2019233712A1 (en) | 2019-12-12 |
DE102018208993A1 (en) | 2019-12-12 |
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