CN115923717A - Windscreen wiper control method and system for automobile windshield sight obstruction - Google Patents
Windscreen wiper control method and system for automobile windshield sight obstruction Download PDFInfo
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- CN115923717A CN115923717A CN202211563652.7A CN202211563652A CN115923717A CN 115923717 A CN115923717 A CN 115923717A CN 202211563652 A CN202211563652 A CN 202211563652A CN 115923717 A CN115923717 A CN 115923717A
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- 238000000034 method Methods 0.000 title claims abstract description 28
- 238000004140 cleaning Methods 0.000 claims abstract description 64
- 238000007790 scraping Methods 0.000 claims abstract description 47
- 230000007613 environmental effect Effects 0.000 claims abstract description 21
- 244000208734 Pisonia aculeata Species 0.000 claims abstract description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 42
- 238000005507 spraying Methods 0.000 claims description 32
- 238000001514 detection method Methods 0.000 claims description 10
- 239000000126 substance Substances 0.000 claims description 4
- 230000004888 barrier function Effects 0.000 claims 4
- 230000010355 oscillation Effects 0.000 claims 2
- 239000011521 glass Substances 0.000 description 10
- 230000001680 brushing effect Effects 0.000 description 5
- 239000000428 dust Substances 0.000 description 5
- 230000000903 blocking effect Effects 0.000 description 4
- 239000007921 spray Substances 0.000 description 4
- 238000009825 accumulation Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000000007 visual effect Effects 0.000 description 3
- 230000004913 activation Effects 0.000 description 2
- 239000010802 sludge Substances 0.000 description 2
- 230000001960 triggered effect Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000003213 activating effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000000284 resting effect Effects 0.000 description 1
- 210000000697 sensory organ Anatomy 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/40—Engine management systems
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- Vehicle Cleaning, Maintenance, Repair, Refitting, And Outriggers (AREA)
Abstract
The invention discloses a wiper control method and a wiper control system for a sight line obstruction of an automobile windshield, which comprise the following steps: acquiring current environmental characteristics; arranging a windscreen wiper on a vehicle windshield; triggering a windscreen wiper function according to environmental characteristics, calibrating an upper reversal point and a lower reversal point on a vehicle windshield, and performing reciprocating motion on the upper reversal point and the lower reversal point when the windscreen wiper is activated; when the wiper triggers the cleaning function of the wiper blade, calibrating the limit position of the wiper after the wiper reaches the upper turning point according to the swing attribute of the wiper, and increasing an extension section/angle on the basis of the limit position; the extension section/angle comprises a belt return section and an effective section, the belt return section is a pull-back section to be cleaned and generated by pulling back the windscreen wiper after the windscreen wiper performs unidirectional movement, and the effective section is an effective cleaning section generated after the extension section is cleaned by the windscreen wiper. The scraping angle is enlarged, the effective space for cleaning the scraping brush is enlarged, and the interference to the sight of a driver is reduced.
Description
Technical Field
The invention relates to the technical field of a windscreen wiper, in particular to a windscreen wiper control method and system for a sight line obstruction of a windshield of an automobile.
Background
The windscreen wiper is an important accessory installed on a windscreen, is also called as a wiper, a water deflector, a wiper or a windshield wiper, and is equipment for brushing and scraping raindrops and dust attached to the windshield of a vehicle, so as to improve the visibility of a driver and increase the driving safety.
When the automobile does not run for a long time or is placed in a place with large dust, the windward glass is easy to fall with the dust, and when the glass is cleaned, obvious mud marks are formed on the main driving side to be accumulated, so that the sight of a driver is influenced; after the windscreen wiper is triggered, due to the influence of a mixture of surrounding environment, dust, mud, cleaning solution and the like, a 'mud mark' is often left at an upper overturning position after the glass surface is cleaned, an A column is widened due to phase change from a sense organ, and the visual field of a driver is not friendly; after the scraping brush finishes swinging, the return speed is too fast, muddy water is easily brought back by a distance, and a return belt is formed, so that the area of a mud mark on a vehicle window is increased, the visual field of a driver is influenced, and the driving safety is easily influenced. In the prior art, the treatment of the pull-back belt is limited by the angle of the wiping brush, so that the effective treatment cannot be carried out, and only the wiper can be triggered to move back and forth, thus being easy to cause ineffective cleaning.
In view of this, it is necessary to provide a wiper blade control method that solves the above-mentioned drawbacks.
Disclosure of Invention
The invention aims to provide a wiper control method and a wiper control system for a sight line obstruction of a windshield of an automobile, which can increase the effective cleaning space of the wiper and avoid or reduce the influence on the visual field of a driver.
The invention provides a wiper control method for a sight line obstruction of an automobile windshield, which comprises the following steps:
acquiring current environmental characteristics;
arranging a windscreen wiper on a vehicle windshield;
triggering a windscreen wiper function according to the environmental characteristics, calibrating an upper reversal point and a lower reversal point on the windshield of the vehicle under normal conditions, and carrying out reciprocating motion on the upper reversal point and the lower reversal point when the windscreen wiper is activated; when cleaning of a pull-back belt is achieved, when a wiper triggers a cleaning function of a wiper blade, a limit position of the wiper after reaching an upper turning point is calibrated according to a swing attribute of the wiper, and an extension section/angle is added on the basis of the limit position to achieve cleaning of the extension section;
the extension section/angle comprises a return section and an effective section, the return section is a pull-back section to be cleaned and generated by pulling back the wiper after the wiper performs unidirectional motion, and the effective section is an effective cleaning section generated after the extension section is cleaned by the wiper.
Preferably, when the wiper triggers a cleaning function of the wiper blade, calibrating a limit position of the wiper after reaching the upper turning point, and increasing an extension section/angle on the basis of the limit position to clean the extension section comprises:
setting the running speed of the wiper blade moving from the initial parking position to the upper turning point position as a first gear speed;
setting an operating speed of the blade moving from the upper turning point position to an edge position of the vehicle windshield near the a-pillar as a second gear speed;
and moving the wiper blade from the edge position of the vehicle windshield close to the A column to the initial parking position according to preset different gear speeds.
Preferably, when the wiper triggers a cleaning function of the wiper blade, calibrating a limit position of the wiper after reaching the upper turning point, and increasing an extension section/angle on the basis of the limit position to clean the extension section further comprises:
stopping the scraping blade at the edge of the vehicle windshield close to the A column, and controlling the water spraying direction through the scraping arm by using a water spraying device on the scraping arm to wash the current position of the scraping blade;
and moving the wiper blade from the edge position of the vehicle windshield close to the A column to the initial parking position according to preset different gear speeds.
Preferably, the method further comprises the following steps:
triggering a windscreen wiper function according to the environmental characteristics, acquiring and identifying the swinging limit position of the windscreen wiper before the wiper blade cleaning function is not activated through a locked-rotor identification module, and increasing a swinging section/angle on the basis of the swinging limit position of the windscreen wiper to clean an extending section;
when the locked-rotor identification module is activated, the windscreen wiper is moved from the upper turning point position to the edge position of the vehicle windshield close to the A pillar at a first gear speed until the windscreen wiper stops moving.
Preferably, the identifying, by the locked-rotor identification module, the extreme position of the swinging of the wiper blade before the function of the wiper blade is not activated includes:
the windscreen wiper is provided with a stop block, the stop block is arranged at the front end of the wiper blade when the windscreen wiper moves, and is used for judging whether the wiper blade touches the A column when swinging, and the windscreen wiper stops moving when the wiper blade touches the A column; and/or the presence of a gas in the gas,
an infrared detection device is arranged on the windscreen wiper, the infrared signal emission direction of the infrared detection device is consistent with the travelling direction of the wiper blade, and the infrared detection device is used for judging whether the wiper blade touches an A column or not when swinging and stopping moving when the wiper blade touches the A column; and/or the presence of a gas in the gas,
when the angle sensor identifies that the motor does not rotate and the current of the motor is increased and exceeds a preset limit value, a locked-rotor signal is identified through the motor and used for judging whether the wiper blade touches the A column or not when swinging, and when the wiper blade touches the A column, the wiper stops moving; and/or the presence of a gas in the gas,
the wiper is characterized in that a proximity switch is arranged on the wiper and arranged at the front end of the wiper blade when the wiper moves, and the proximity switch is used for judging whether the wiper blade touches the A column when swinging and stopping the wiper when the wiper blade touches the A column.
Preferably, when the wiper triggers a cleaning function of the wiper blade, calibrating a limit position of the wiper after reaching the upper turning point, and increasing an extension/angle based on the limit position to clean the extension further comprises:
and setting a shaking instruction operation at a critical point of the return interval for shaking off the sight line blocking substances on the scraping blade, and setting a time instruction operation for controlling the shaking time of the scraping blade.
Preferably, when the wiper triggers a cleaning function of the wiper blade, calibrating a limit position of the wiper after reaching the upper turning point, and increasing an extension/angle based on the limit position to clean the extension further comprises:
the method is characterized in that time delay is set at the limit position of the wiper after use, a water spraying device is arranged on a wiping arm according to preset time, and the wiping arm and the water spraying device are integrally arranged.
Preferably, the swing attributes of the wiper blade at least comprise a wiping angle, a wiping area size, a wiping arm blade length and a blade placing position.
The invention provides a wiper control system for a sight line obstruction of a windshield of an automobile,
the data acquisition module is used for acquiring the current environmental characteristics;
the device comprises a configuration module, a control module and a control module, wherein the configuration module is used for arranging a windscreen wiper on a vehicle windshield;
the control module is used for triggering a windscreen wiper function according to the environmental characteristics, calibrating an upper reversal point and a lower reversal point on a vehicle windshield under normal conditions, and carrying out reciprocating motion on the upper reversal point and the lower reversal point when the windscreen wiper is activated; when cleaning of a pull-back belt is achieved, when a wiper triggers a cleaning function of a wiper blade, a limit position of the wiper after reaching an upper turning point is calibrated according to a swing attribute of the wiper, and an extension section/angle is added on the basis of the limit position to achieve cleaning of the extension section;
the extension section/angle comprises a return section and an effective section, the return section is a pull-back section to be cleaned and generated by pulling back the wiper after the wiper performs unidirectional motion, and the effective section is an effective cleaning section generated after the extension section is cleaned by the wiper.
Preferably, the method further comprises the following steps:
the locked-rotor recognition module is used for triggering the function of the windscreen wiper according to the environmental characteristics, acquiring and recognizing the swinging limit position of the windscreen wiper before the cleaning function of the wiper blade is not activated through the locked-rotor recognition module, and increasing a swinging interval/angle on the basis of the swinging limit position of the windscreen wiper to clean an extension interval;
when the locked-rotor identification module is activated, the windscreen wiper is moved from the upper turning point position to the edge position of the vehicle windshield close to the A pillar at a first gear speed until the windscreen wiper stops moving.
Aiming at the prior art, the invention has the following beneficial effects:
according to the invention, the cleaning range of the windscreen wiper is enlarged by increasing the extension section/angle and increasing the scraping angle, the effective space of mud pushing marks of the windscreen wiper is increased, and the interference to the sight of a driver is reduced; judging the swing limit position of the scraping blade by adopting a locked rotor identification module, circularly activating the locked rotor identification module to clean an extension section, increasing the effective space of mud-pushing marks, cleaning the accumulation part of the mud marks by adopting a water spraying device, and reducing the generation of a belt returning section;
a plurality of speed intervals are arranged in the extension interval, stepless adjustability is achieved, and the return interval is reduced to the minimum or no return is achieved;
and (4) setting shaking at a return critical point to shake off part of muddy water on the scraping blade, setting shaking time delay, and controlling a shaking instruction to reduce the coverage of mud marks.
Drawings
FIG. 1 is a flowchart illustrating control of a wiper blade according to a first embodiment;
fig. 2 is a schematic diagram of operation calibration of the wiper in the first embodiment.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
Example one
As shown in fig. 1, the invention provides a wiper control method for a sight line obstruction of a windshield of an automobile, which comprises the following steps:
s1, acquiring current environmental characteristics; current environmental features include a view-obscuring environment of dust, dirt, rain, snow, etc. on the vehicle windshield,
s2, arranging the windscreen wiper on a vehicle windshield; the wiper arm that this implementation adopted is at least including scraping the arm, doctor-bar and motor, the doctor-bar is close to vehicle windshield setting through scraping the arm about the wiper, motor one-way drive wiper reciprocating motion, through the drive effective voltage of control motor, and then control wiper variable speed motion, for example, the wiper can be at last turning point position or turning point position deceleration down, in the middle zone control wiper of last turning point position and turning point position down according to the operation with higher speed of certain mode, improve and scrape water speed, thereby guarantee that wiper functioning speed is adjustable in whole water scraping cycle, the elastic deformation of doctor-bar when reducing high-speed water, reduce wiper reversal noise simultaneously.
S3, triggering a windscreen wiper function according to the environmental characteristics, calibrating an upper reversal point and a lower reversal point on the windshield of the vehicle under a normal condition, and performing reciprocating motion on the upper reversal point and the lower reversal point when the windscreen wiper is activated; when the cleaning state of an extension section is realized, when the windscreen wiper triggers the cleaning function of a wiper blade, calibrating the swing limit position of the windscreen wiper after the windscreen wiper reaches the upper turning point according to the swing attribute of the windscreen wiper, and increasing the extension section/angle on the basis of the limit position to realize the cleaning of the extension section;
the extension section/angle comprises a belt return section and an effective section, and is shown in a reference figure 2, wherein the belt return section is a to-be-cleaned belt return section generated by the one-way movement of the windscreen wiper in a pulling manner, namely after mud pushing marks are finished, the mud is easily returned by a distance through an over-quick return stroke to form a belt return, and the effective section is an effective cleaning section generated after the windscreen wiper is cleaned. The scraping angle is enlarged, the effective space for cleaning the scraping brush is enlarged, the generation of a back-pulling belt is reduced, and the interference to the sight of a driver is reduced.
In various embodiments of the application, the invention is applied to a scene generated by a pull-back belt, wherein the pull-back belt is a distance interval formed by pulling a sight line blocking object in a return stroke process after the wiper finishes moving.
Those skilled in the art will appreciate that the wiper function employed in the present embodiment is activated, the angle of the wiper blade is increased, and the final resting position of the wiper blade is changed from the URP to the glass edge; at the moment, according to the angle of the scraping blade, the factors such as the size of the scraping area, the length of the scraping blade of the scraping arm, the placing position of the scraping blade and the like, the calibration is needed; the wiper is required to be within the a-pillar side black zone, but not to interfere with the a-pillar. The trigger condition of the wiper in the embodiment can be that the handle is manually pushed, 2 cycles are scraped after water spraying is stimulated, the last cycle carries out mud-pushing trace action, and the wiper returns to the original position after being pushed.
When the windscreen wiper does not move, the windscreen wiper always stops at an initial stop position which is lower and close to the edge of the water trough cover plate; when the wiper blade continuously moves, such as at a low speed and a high speed, the wiper blade moves between the LRP position and the URP flip-up position; when the wiper is intermittently wiped, the wiper can be temporarily stopped at an intermittent stopping position, and wiping is carried out again after waiting for several seconds; all the scrapers reach the overturning position on the URP; the position of the mud-pushing mark is a position which is moved outward from the URP by an angle and is within the black edge of the windshield of the vehicle, and it can be understood that the wiper hits the pillar a of the vehicle.
Specifically, when the wiper triggers the cleaning function of the wiper blade in step S3, calibrating a limit position of the wiper after reaching the upper turning point, and increasing an extension section/angle based on the limit position to clean the extension section includes:
setting the running speed of the wiper blade moving from the initial parking position to the upper turning point position as a first gear speed; the first gear speed may be a low speed in the range of 1rpm to 45 rpm.
Setting an operating speed of the blade moving from the upper turning point position to an edge position of the vehicle windshield near the a-pillar as a second gear speed; the second gear speed adopted in the embodiment is 5rpm-20rpm or 22rpm-35rpm or 20rpm or other speed required to be set.
And moving the scraping blade to the initial stopping position from the edge position of the vehicle windshield close to the A column according to preset different gear speeds, and setting a multi-section speed interval in the extension interval to realize stepless adjustability and reduce the belt returning interval to the minimum or realize no belt returning.
Those skilled in the art will appreciate that the activation condition of the wiper in this embodiment: the windscreen wiper activates the cleaning gear, and the cleaning and wiping functions are represented by the following functions in the second wiping circulation: the blade moves from the APS position to the URP position at a Low speed, then moves from the URP to the glass edge at a speed of 35rpm or 20rpm, and waits for 1s; after 1s, the scraping blade returns to the APS position from the edge position of the glass, and the scraping and brushing speed at the moment can be divided into different gears;
specifically, when the wiper triggers the cleaning function of the wiper blade in step S3, calibrating a limit position of the wiper after reaching the upper turning point, and increasing an extension section/angle based on the limit position to clean the extension section, further comprising:
stopping the scraping blade at the edge of the vehicle windshield close to the A column, and controlling the water spraying direction through the scraping arm by using a water spraying device on the scraping arm to wash the current position of the scraping blade;
and moving the wiper blade from the edge position of the vehicle windshield close to the A column to the initial parking position according to preset different gear speeds.
Those skilled in the art will appreciate that the wiper in this embodiment activates the wash gear, and functions during the second wiper cycle of wash re-wipe: the blade moves from the APS position to the URP position at a Low speed and then moves from the URP to the glass edge at a speed of 35rpm or 20rpm, waiting for 1s; the scraping blade stays at the edge of the glass, the scraping arm sprays water for 1s to wash the soil accumulated at the position to wash the mixed liquid; after the 1s flushing is finished, the scraping and brushing speed can be divided into different gears when the scraping and brushing speed of the scraping and brushing blade returns to the APS position from the glass edge position. Automatically returning to the APS position after the function is completed; during the function, inching/low/high/intermittent/automatic gear activation will cause the function to exit. The low speed range adopted by the embodiment is about 1rpm-45rpm, and the high speed range is about 45rpm-75rpm or more than 75rpm.
In various embodiments of the present application, further comprising:
s4, triggering a wiper function according to the environmental characteristics, acquiring and identifying the swing limit position of the wiper before the wiper cleaning function is not activated through a locked-rotor identification module, and increasing a swing interval/angle on the basis of the swing limit position of the wiper to clean an extension interval;
when the locked-rotor identification module is activated, the windscreen wiper is moved from the upper turning point position to the edge position of the vehicle windscreen close to the A pillar at a first gear speed until the windscreen wiper stops moving.
It will be appreciated by those skilled in the art that the stall detection, when active, moves the wiper blade from the URP position toward the glass edge at a slow rate until the wiper blade contacts the a-pillar causing a motor stall or current increase, at which time the movement stops.
Specifically, the step S4 of identifying, by the locked rotor identification module, the extreme position of the wiper swing before the wiper blade function is not activated includes:
the windscreen wiper is provided with a stop block, the stop block is arranged at the front end of the wiper blade when the windscreen wiper moves, and is used for judging whether the wiper blade touches the A column when swinging, and the windscreen wiper stops moving when the wiper blade touches the A column; and/or the presence of a gas in the gas,
an infrared detection device is arranged on the windscreen wiper, the infrared signal emission direction of the infrared detection device is consistent with the advancing direction of the wiper blade, and the infrared detection device is used for judging whether the wiper blade touches an A column when swinging and stopping the windscreen wiper when the wiper blade touches the A column; and/or the presence of a gas in the gas,
when the angle sensor identifies that the motor does not rotate and the current of the motor becomes larger and exceeds a preset limit value, a locked-rotor signal is identified through the motor and used for judging whether the wiper blade touches the A column or not when swinging, and when the wiper blade touches the A column, the wiper stops moving; and/or the presence of a gas in the gas,
the windscreen wiper is provided with a proximity switch, the proximity switch is arranged at the front end of the wiper blade when the windscreen wiper moves, and the proximity switch is used for judging whether the wiper blade touches an A column when swinging and stopping moving when the wiper blade touches the A column;
in various embodiments of the application, when the wiper triggers the cleaning function of the wiper blade in step S3, calibrating a limit position of the wiper after reaching the upper turning point, and implementing cleaning of the extension section based on an extension section/angle added to the limit position or implementing cleaning of the extension section in step S4 further includes:
and setting a shaking instruction operation at a critical point of the rewinding interval for shaking off the sight line blocking substances on the scraping piece, and setting a time instruction operation for controlling the shaking time of the scraping piece, so that the sight line blocking substances covered on the windscreen wiper or components such as sludge and the like which are easy to generate the rewinding tape can be cleaned conveniently. If the shaking and shaking of the upper part of the mud water of the scraping blade is set at the critical point of the belt returning, the setting time is 1 second.
In various embodiments of the application, when the wiper triggers the cleaning function of the wiper blade in step S3, calibrating a limit position of the wiper after reaching the upper turning point, and implementing cleaning of the extension section based on an extension section/angle added to the limit position or implementing cleaning of the extension section in step S4 further includes:
the method is characterized in that time delay is set at the limit position of the used windscreen wiper, a water spraying device is arranged on a wiping arm according to preset time, and the wiping arm and the water spraying device are integrally arranged. Those skilled in the art can understand that the wiper used in this embodiment is suitable for a wiper with a wiper arm and a water spraying integrated wiper, the water spraying device is disposed in the middle of the wiper blade, the spraying range of the water spraying device is controlled according to the swing angle of the wiper blade, and in this embodiment, the water spraying device sprays water in a mist form: the water spray is evenly sprayed on the windshield in a sector shape, and the spraying has the advantages that the spraying surface is enlarged, and the angle is easy to fix. In another embodiment, the water spraying device sprays water in a columnar shape: the number of the water spraying nozzles for spraying water is 1 or 2 or 3, and the like, if the number of the water spraying nozzles is large, the water spraying nozzles with different heights are arranged when the water spraying angle is adjusted, for example, one nozzle angle is particularly high, and the other nozzle angle is particularly low. Furthermore, the water spraying amount of the water spraying device is set according to target vehicle attributes, wherein the target vehicle attributes at least comprise vehicle types, window heights, window widths and the like, and the extended section and the sludge accumulation part are convenient to clean. If the mud pushing mark stays for 1S at the extreme position of the mud pushing mark and water spraying is set for cleaning the mud pushing mark, the time for operation such as staying or water spraying is set according to the preset time, such as 1S.
Example two
Based on the same concept, the invention provides a wiper control system for an automobile windshield sight obstruction, comprising:
the data acquisition module is used for acquiring the current environmental characteristics;
the device comprises a configuration module, a control module and a control module, wherein the configuration module is used for arranging a windscreen wiper on a vehicle windshield;
the control module is used for triggering a windscreen wiper function according to the environmental characteristics, calibrating an upper reversal point and a lower reversal point on a vehicle windshield under normal conditions, and carrying out reciprocating motion on the upper reversal point and the lower reversal point when the windscreen wiper is activated; when cleaning of a pull-back belt is achieved, when the wiper triggers a cleaning function of a wiper blade, a limit position of the wiper after the wiper reaches an upper turning point is calibrated according to a swing attribute of the wiper, and an extension section/angle is added on the basis of the limit position to achieve cleaning of the extension section;
the extension section/angle comprises a return section and an effective section, the return section is a to-be-cleaned return section generated by pulling back the windscreen wiper after the windscreen wiper performs unidirectional movement, and the effective section is an effective cleaning section generated after the extension section is cleaned by the windscreen wiper.
Specifically, the method further comprises the following steps:
the locked-rotor recognition module is used for triggering the function of the windscreen wiper according to the environmental characteristics, acquiring and recognizing the swinging limit position of the windscreen wiper before the cleaning function of the wiper blade is not activated through the locked-rotor recognition module, and increasing a swinging interval/angle on the basis of the swinging limit position of the windscreen wiper to clean an extension interval;
when the locked-rotor identification module is activated, the windscreen wiper is moved from the upper turning point position to the edge position of the vehicle windshield close to the A pillar at a first gear speed until the windscreen wiper stops moving.
According to the invention, the cleaning range of the windscreen wiper is enlarged by increasing the extension section/angle and increasing the scraping angle, the effective space of mud pushing marks of the windscreen wiper is increased, and the interference to the sight of a driver is reduced; the locked-rotor recognition module is adopted to judge the swing limit position of the scraping blade, the locked-rotor recognition module is activated in a circulating mode to clean the extension section, the effective space of mud pushing marks of the windscreen wiper is increased, a water spraying device is adopted to clean the mud mark accumulation part, and the generation of a belt returning section is reduced; a plurality of speed intervals are arranged in the extension interval, stepless adjustability is achieved, and the return interval is reduced to the minimum or no return is achieved; and (4) setting shaking and shaking off partial muddy water on the scraping blade at a return critical point, setting shaking time delay, and controlling a shaking instruction to reduce the coverage of the muddy mark.
The specific contents and implementation methods of the data acquisition module, the configuration module, the control module, and the locked rotor identification module are all as described in the first embodiment, and are not described herein again.
It should be noted that in the above-described embodiments, the terminology used herein is for the purpose of describing particular example embodiments only and is not intended to be limiting. As used herein, the singular forms "a", "an" and "the" may be intended to include the plural forms as well, unless the context clearly indicates otherwise. The terms "comprises," "comprising," and "having" are inclusive and therefore specify the presence of stated features, integers, steps, operations, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, components, and/or groups thereof. The method steps, processes, and operations described herein are not to be construed as necessarily requiring that the method steps, processes, and operations be performed in the particular order discussed or illustrated, unless specifically identified as a requirement in the given order of steps. It should also be understood that additional or alternative steps may be employed.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (10)
1. A wiper control method for an automobile windshield sight obstruction, comprising:
acquiring current environmental characteristics;
arranging a windscreen wiper on a vehicle windshield;
triggering a windscreen wiper function according to the environmental characteristics, calibrating an upper reversal point and a lower reversal point on the windshield of the vehicle under normal conditions, and carrying out reciprocating motion on the upper reversal point and the lower reversal point when the windscreen wiper is activated; when cleaning of a pull-back belt is achieved, when a wiper triggers a cleaning function of a wiper blade, a limit position of the wiper after reaching an upper turning point is calibrated according to a swing attribute of the wiper, and an extension section/angle is added on the basis of the limit position to achieve cleaning of the extension section;
the extension section/angle comprises a return section and an effective section, the return section is a pull-back section to be cleaned and generated by pulling back the wiper after the wiper performs unidirectional motion, and the effective section is an effective cleaning section generated after the extension section is cleaned by the wiper.
2. The method of claim 1, wherein calibrating the wiper to a limit position of oscillation after reaching the upper roll-over point when the wiper triggers a cleaning function of the wiper blade, and wherein increasing the extension/angle based on the limit position to achieve extended zone cleaning comprises:
setting the running speed of the wiper blade moving from the initial parking position to the upper turning point position as a first gear speed;
setting an operating speed of the blade moving from the upper turning point position to an edge position of the vehicle windshield near the a-pillar as a second gear speed;
and moving the wiper blade from the edge position of the vehicle windshield close to the A column to the initial parking position according to preset different gear speeds.
3. The method of claim 1, wherein calibrating a limit position of said wiper blade for swinging movement after reaching said upper roll-over point when said wiper blade triggers a cleaning function of said wiper blade, and wherein increasing an extension/angle based on said limit position to achieve extended range cleaning further comprises:
stopping the scraping blade at the edge of the vehicle windshield close to the A column, and controlling the water spraying direction through the scraping arm by using a water spraying device on the scraping arm to wash the current position of the scraping blade;
and moving the wiper blade from the edge position of the vehicle windshield close to the A column to the initial parking position according to preset different gear speeds.
4. The method of claim 1, further comprising:
triggering a windscreen wiper function according to the environmental characteristics, acquiring and identifying the swinging limit position of the windscreen wiper before the wiper blade cleaning function is not activated through a locked-rotor identification module, and increasing a swinging section/angle on the basis of the swinging limit position of the windscreen wiper to clean an extending section;
when the locked-rotor identification module is activated, the windscreen wiper is moved from the upper turning point position to the edge position of the vehicle windshield close to the A pillar at a first gear speed until the windscreen wiper stops moving.
5. The method of claim 4, wherein said identifying, by a stall identification module, the extreme position of the wiper blade in oscillation before said blade function is deactivated comprises:
the windscreen wiper is provided with a stop block, the stop block is arranged at the front end of the wiper blade when the windscreen wiper moves, and the stop block is used for judging whether the wiper blade touches an A column when swinging and stopping moving when the wiper blade touches the A column; and/or the presence of a gas in the gas,
an infrared detection device is arranged on the windscreen wiper, the infrared signal emission direction of the infrared detection device is consistent with the advancing direction of the wiper blade, and the infrared detection device is used for judging whether the wiper blade touches an A column when swinging and stopping the windscreen wiper when the wiper blade touches the A column; and/or the presence of a gas in the gas,
when the angle sensor identifies that the motor does not rotate and the current of the motor is increased and exceeds a preset limit value, a locked-rotor signal is identified through the motor and used for judging whether the wiper blade touches the A column or not when swinging, and when the wiper blade touches the A column, the wiper stops moving; and/or the presence of a gas in the gas,
the wiper is characterized in that a proximity switch is arranged on the wiper and arranged at the front end of the wiper blade when the wiper moves, and the proximity switch is used for judging whether the wiper blade touches the A column when swinging and stopping the wiper when the wiper blade touches the A column.
6. The method of controlling a wiper blade for a vehicle windshield line-of-sight barrier of claim 1, wherein calibrating a limit position of the wiper blade for swinging after reaching the upper flip point when the wiper blade triggers a cleaning function of the wiper blade, wherein increasing the extension/angle based on the limit position to achieve extended section cleaning further comprises:
and setting a shaking instruction operation at a critical point of the rewinding interval for shaking off sight line shielding substances on the scraping blade, and setting a time instruction operation for controlling the shaking time of the scraping blade.
7. The method of controlling a wiper blade for a vehicle windshield line-of-sight barrier of claim 1, wherein calibrating a limit position of the wiper blade for swinging after reaching the upper flip point when the wiper blade triggers a cleaning function of the wiper blade, wherein increasing the extension/angle based on the limit position to achieve extended section cleaning further comprises:
the method is characterized in that time delay is set at the limit position of the wiper after use, a water spraying device is arranged on a wiping arm according to preset time, and the wiping arm and the water spraying device are integrally arranged.
8. The method of claim 1, wherein the oscillating attributes of the wiper blade include at least a blade angle, a blade area size, a blade length, and a blade placement position.
9. A wiper control system for an automotive windshield sight barrier comprising:
the data acquisition module is used for acquiring the current environmental characteristics;
the device comprises a configuration module, a control module and a control module, wherein the configuration module is used for arranging a windscreen wiper on a vehicle windshield;
the control module is used for triggering a windscreen wiper function according to the environmental characteristics, calibrating an upper reversal point and a lower reversal point on a vehicle windshield under normal conditions, and carrying out reciprocating motion on the upper reversal point and the lower reversal point when the windscreen wiper is activated; when cleaning of a pull-back belt is achieved, when a wiper triggers a cleaning function of a wiper blade, a limit position of the wiper after reaching an upper turning point is calibrated according to a swing attribute of the wiper, and an extension section/angle is added on the basis of the limit position to achieve cleaning of the extension section;
the extension section/angle comprises a return section and an effective section, the return section is a pull-back section to be cleaned and generated by pulling back the wiper after the wiper performs unidirectional motion, and the effective section is an effective cleaning section generated after the extension section is cleaned by the wiper.
10. The wiper control system for an automotive windshield sight barrier of claim 9, further comprising:
the locked-rotor recognition module is used for triggering the function of the windscreen wiper according to the environmental characteristics, acquiring and recognizing the swing limit position of the windscreen wiper before the cleaning function of the wiper blade is not activated through the locked-rotor recognition module, and increasing a swing interval/angle on the basis of the swing limit position of the windscreen wiper to realize the cleaning of an extension interval;
when the locked-rotor identification module is activated, the windscreen wiper is moved from the upper turning point position to the edge position of the vehicle windshield close to the A pillar at a first gear speed until the windscreen wiper stops moving.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211563652.7A CN115923717B (en) | 2022-12-07 | 2022-12-07 | Control method and system for windscreen wiper of automobile windshield sight shielding object |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211563652.7A CN115923717B (en) | 2022-12-07 | 2022-12-07 | Control method and system for windscreen wiper of automobile windshield sight shielding object |
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| CN115923717B CN115923717B (en) | 2024-05-31 |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005075039A (en) * | 2003-08-28 | 2005-03-24 | Nissan Motor Co Ltd | Wiper control device |
| CN101074007A (en) * | 2006-07-04 | 2007-11-21 | 王力 | Intelligent bent wiper |
| JP2014189028A (en) * | 2013-03-26 | 2014-10-06 | Mitsuba Corp | Wiper device |
| CN104554171A (en) * | 2013-10-24 | 2015-04-29 | 北汽福田汽车股份有限公司 | Windscreen wiper and vehicle |
| CN104742870A (en) * | 2015-04-03 | 2015-07-01 | 南通理工学院 | High-efficiency all-dimensional windscreen wiper |
| US20180170315A1 (en) * | 2015-06-05 | 2018-06-21 | Toyota Jidousha Kabushiki Kaisha | Windscreen wiper control system and method |
-
2022
- 2022-12-07 CN CN202211563652.7A patent/CN115923717B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005075039A (en) * | 2003-08-28 | 2005-03-24 | Nissan Motor Co Ltd | Wiper control device |
| CN101074007A (en) * | 2006-07-04 | 2007-11-21 | 王力 | Intelligent bent wiper |
| JP2014189028A (en) * | 2013-03-26 | 2014-10-06 | Mitsuba Corp | Wiper device |
| CN104554171A (en) * | 2013-10-24 | 2015-04-29 | 北汽福田汽车股份有限公司 | Windscreen wiper and vehicle |
| CN104742870A (en) * | 2015-04-03 | 2015-07-01 | 南通理工学院 | High-efficiency all-dimensional windscreen wiper |
| US20180170315A1 (en) * | 2015-06-05 | 2018-06-21 | Toyota Jidousha Kabushiki Kaisha | Windscreen wiper control system and method |
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