CN110356365A - A kind of screen wiper - Google Patents
A kind of screen wiper Download PDFInfo
- Publication number
- CN110356365A CN110356365A CN201910740339.8A CN201910740339A CN110356365A CN 110356365 A CN110356365 A CN 110356365A CN 201910740339 A CN201910740339 A CN 201910740339A CN 110356365 A CN110356365 A CN 110356365A
- Authority
- CN
- China
- Prior art keywords
- wiper
- control unit
- mcu control
- coordinate
- module
- 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.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
- B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
- B60R16/03—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements for supply of electrical power to vehicle subsystems or for
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60S—SERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, OR MANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR
- B60S1/00—Cleaning of vehicles
- B60S1/02—Cleaning windscreens, windows or optical devices
- B60S1/04—Wipers or the like, e.g. scrapers
- B60S1/06—Wipers or the like, e.g. scrapers characterised by the drive
- B60S1/08—Wipers or the like, e.g. scrapers characterised by the drive electrically driven
- B60S1/0818—Wipers or the like, e.g. scrapers characterised by the drive electrically driven including control systems responsive to external conditions, e.g. by detection of moisture, dirt or the like
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Automation & Control Theory (AREA)
- Catching Or Destruction (AREA)
- Control Of Position, Course, Altitude, Or Attitude Of Moving Bodies (AREA)
Abstract
The application discloses a kind of screen wiper comprising MCU control unit, MCU control unit are connected with ultrasonic sensor, communication module and wiper；The ultrasonic sensor judges that rain shaving blade working region obtains range information for scanning；Scanning information is sent to background server for sending wiper control signal and control communication module by the MCU control unit；The communication module, for wirelessly communicating；The wiper, receives the control signal that MCU control unit issues, and control wiper removes the foreign matter of rain shaving blade working region.Pass through ultrasonic sensor, wiper is during the work time, the foreign matter data of windshield can be uploaded into cloud platform by communications module, judge whether a certain position of glass has the rubbish (birds droppings such as done) of very difficult cleaning, control rain shaving blade carries out concentrating cleaning back and forth at this, clearance time has been saved, has brought good experience to user.
Description
Technical field
The present invention relates to wiper technical fields, and in particular to a kind of screen wiper.
Background technique
With being continuously increased for car ownership, the crowd for possessing automobile is more and more, and automobile is in docking process, often
Many sundries are generated on the windshield, and the parking fee receipt below rain shaving blade, leaf, flower, fruit are such as pressed in by toll collector
It will be attached on the windshield of automobile, it is all according to normal width that traditional wiper, which can not often specify removing clean,
Degree is cleaned, very inconvenient.
Summary of the invention
For the deficiency in the presence of the prior art, the present invention provides screen wipers, solve on windshield
Specified cleaning foreign matter problem.To achieve the above object, present invention employs the following technical solutions:
A kind of screen wiper, including MCU control unit, MCU control unit are connected with ultrasonic sensor, communication module
And wiper；The ultrasonic sensor judges that rain shaving blade working region obtains range information for scanning；The MCU control
Scanning information is sent to background server for sending wiper control signal and control communication module by unit processed；It is described
Communication module, for wirelessly communicating；The wiper, receives the control signal that MCU control unit issues, and control wiper is removed
The foreign matter of rain shaving blade working region.
Further, the MCU control unit is also connected with voice input module or switch module；Voice input module
Or switch module, for inputting the start stop signal of wiper.
Further, the MCU control unit is also connected with battery power supply module, and the output end of battery power supply module also connects
It is connected to USB power supply interface.
Further, the communication unit is NB-IoT unit or LoRa unit.
Further, after the background server receives range information, the smallest distance is calculated in selected distance information
Then the coordinate of barrier out is obtained according to the coordinate of the coordinate of the wiper point of rotation and the corresponding ultrasonic sensor of the smallest distance
The initial rotation angle of obstacle article coordinate is rotated to wiper.
Further, after server sends control signals to MCU control unit, MCU control unit will control signal again
The stepper motor being sent in wiper；Controlling signal includes initial rotation angle and preset swing angle range；MCU control
Unit control stepper motor first revolves initial rotation angle, then after preset swing angle range rotational time T, controls stepping
Motor rotates to initial position.
Further, preset swing angle range is negative 10 degree to positive between 10 degree；The wiper point of rotation and barrier
Coordinate line be with reference to 0 degree.
Compared with the prior art, the invention has the following beneficial effects:
By ultrasonic sensor, the foreign matter data of windshield during the work time, can be passed through communication by wiper
Mould group uploads to cloud platform, judges whether a certain position of glass has the rubbish (birds droppings such as done) of very difficult cleaning, control
Rain shaving blade processed carries out concentrating cleaning back and forth at this, has saved clearance time, has brought good experience to user.
Detailed description of the invention
Fig. 1 is the control block diagram of the application.
Specific embodiment
Scheme is described further now in conjunction with attached drawing.
Implementation column 1
A kind of screen wiper, including MCU control unit, MCU control unit are connected with ultrasonic sensor, communication module
And wiper；The ultrasonic sensor judges that rain shaving blade working region obtains range information for scanning；The MCU control
Scanning information is sent to background server for sending wiper control signal and control communication module by unit processed；It is described
Communication module, for wirelessly communicating；The wiper, receives the control signal that MCU control unit issues, and control wiper is removed
The foreign matter of rain shaving blade working region.The MCU control unit is also connected with voice input module or switch module；Voice input
Module or switch module, for inputting the start stop signal of wiper.The MCU control unit is also connected with battery power supply mould
Block, the output end of battery power supply module are also connected with USB power supply interface.The communication unit is that NB-IoT unit or LoRa are mono-
Member.Supersonic sensing selects model UC500-30GM-IUR2-V15, directionality: 0.23, sensitivity: and 1, impedance: 0.05
(Ohms), sensitivity with higher；Supersonic sensing can be set with the lower section and wiper of windshield same
The adjacent side of the side where wiper also can be set in side.The spacing of adjacent ultrasonic wave sensing is 3-5CM.LoRa unit
Using common LM1278/LM1276, this is a high-performance, low-power consumption, remote micropower wireless radio frequency modules, NB-
IOT module is BC35-G, and BC35-G is the multiband NB-IoT wireless communication module of a high-performance, low-power consumption, supports B1/
B3/B8/B5/B20/B28* frequency range can reduce the power consumption of entire wiper.Wiper is existing electrodynamic type rain on automobile
Curette mainly includes motor, turbine box, crank, connecting rod and rain shaving blade.Motor selects brake stepper motor to use state-of-the art electricity
Magnetic brake, brake stepper motor fully achieve high speed zero and mute operation are lost；Brake is closely matched integrally with motor.The brake
Stepper motor can also connect MCU control unit by motor driver.MCU control unit selects programmable logic device to carry out
Control.
In judgment method, in initialization, the windshield of automobile is invented into a two-dimensional coordinate plane, in server
Middle typing wiper turn the coordinate at center, the centre coordinate of each ultrasonic sensor, two-dimensional coordinate plane length and
The length of width and wiper connecting rod.
After the background server receives range information, the smallest distance calculates barrier in selected distance information
Then coordinate obtains wiper rotation according to the coordinate of the coordinate of the wiper point of rotation and the corresponding ultrasonic sensor of the smallest distance
Go to the initial rotation angle of obstacle article coordinate.After server sends control signals to MCU control unit, MCU control unit
The stepper motor in wiper is sent control signals to again；Controlling signal includes initial rotation angle and preset swing angle
Range；MCU control unit control stepper motor first revolves initial rotation angle, then in preset swing angle range rotational time
After T, control stepper motor rotates to initial position.Preset swing angle range is negative 10 degree to positive between 10 degree；Wiper
The line of the coordinate of the point of rotation and barrier is with reference to 0 degree.When the birds droppings for having barrier such as to do on windshield, difference is super
The distance that sonic sensor measures birds droppings to sensor is different, and choosing the smallest distance can simplify the coordinate calculating side of birds droppings
Method, the coordinate position of calculating birds droppings in this way can simplify to be counted for the abscissa or ordinate of the corresponding coordinate of minimum range
It calculates, simplifies calculating process.Then birds droppings coordinate and wiper point of rotation line and wiper are calculated by the cosine law
The angle of initial position can thus make the scraping blade of wiper reach the position of corresponding birds droppings, minus 10 degree to positive 10 degree
Hunting range can be such that wiper moves back and forth near the position of birds droppings, save checkout time.
Control rain shaving blade carries out concentrating cleaning back and forth at this, until clean, brings good experience to user.
Equipment can be started by being mounted on the switch module of automotive interior such as key, can also by voice, directly to
Voice input module sends cleaning order or stop signal.
Equipment can be used to power to whole equipment by battery power supply module 104.Vapour can also be passed through by reserving port
Vehicle USB port directly takes electricity.
Finally, it is stated that the above examples are only used to illustrate the technical scheme of the present invention and are not limiting, although referring to compared with
Good embodiment describes the invention in detail, those skilled in the art should understand that, it can be to skill of the invention
Art scheme is modified or replaced equivalently, and without departing from the objective and range of technical solution of the present invention, should all be covered at this
In the scope of the claims of invention.
Claims (7)
1. a kind of screen wiper, which is characterized in that including MCU control unit, MCU control unit is connected with supersonic sensing
Device, communication module and wiper；
The ultrasonic sensor judges that rain shaving blade working region obtains range information for scanning；
The MCU control unit, for send wiper control signal and control communication module scanning information is sent to after
Platform server；
The communication module, for wirelessly communicating；
The wiper, receives the control signal that MCU control unit issues, and control wiper removes the different of rain shaving blade working region
Object.
2. a kind of screen wiper as described in claim 1, which is characterized in that the MCU control unit is also connected with voice
Input module or switch module；Voice input module or switch module, for inputting the start stop signal of wiper.
3. a kind of screen wiper as described in claim 1, which is characterized in that the MCU control unit is also connected with battery
Power supply module, the output end of battery power supply module are also connected with USB power supply interface.
4. a kind of screen wiper as described in claim 1, which is characterized in that the communication unit be NB-IoT unit or
LoRa unit.
5. a kind of screen wiper as described in claim 1, which is characterized in that the background server receives range information
Afterwards, the smallest distance calculates the coordinate of barrier in selected distance information, then according to the coordinate of the wiper point of rotation and most
The coordinate that small distance corresponds to ultrasonic sensor obtains the initial rotation angle that wiper rotates to obstacle article coordinate.
6. a kind of screen wiper as claimed in claim 5, which is characterized in that server sends control signals to MCU control
After unit processed, MCU control unit sends control signals to the stepper motor in wiper again；Controlling signal includes initial rotation
Angle and preset swing angle range；MCU control unit control stepper motor first revolves initial rotation angle, then preset
After swing angle range rotational time T, control stepper motor rotates to initial position.
7. such as a kind of screen wiper described in claim 5 or 6, which is characterized in that preset swing angle range is negative 10
It spends positive between 10 degree；The line of the coordinate of the wiper point of rotation and barrier is with reference to 0 degree.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910740339.8A CN110356365A (en) | 2019-08-12 | 2019-08-12 | A kind of screen wiper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910740339.8A CN110356365A (en) | 2019-08-12 | 2019-08-12 | A kind of screen wiper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110356365A true CN110356365A (en) | 2019-10-22 |
Family
ID=68224363
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910740339.8A Pending CN110356365A (en) | 2019-08-12 | 2019-08-12 | A kind of screen wiper |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110356365A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20220058810A1 (en) * | 2020-08-20 | 2022-02-24 | Robert Bosch Gmbh | Test system and test method for windshield wipers |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10206400A (en) * | 1996-12-19 | 1998-08-07 | Asulab Sa | Ultrasonic detection element for automatically controlled window screen cleaning system |
| GB2536238A (en) * | 2015-03-09 | 2016-09-14 | Jaguar Land Rover Ltd | Windshield monitoring system |
| CN107000693A (en) * | 2014-12-12 | 2017-08-01 | 阿斯莫株式会社 | Wiper control device |
| CN107428314A (en) * | 2015-03-09 | 2017-12-01 | 捷豹路虎有限公司 | Windscreen monitoring system |
| CN207631198U (en) * | 2016-06-30 | 2018-07-20 | N·J·辛格 | The automobile with cleaning system is touched with windshield |
| US20180345916A1 (en) * | 2017-06-02 | 2018-12-06 | Valeo Systèmes d'Essuyage | Eye tracking to save washing liquid |
| DE102018008022A1 (en) * | 2018-10-10 | 2019-03-28 | Daimler Ag | A method for cleaning a windshield of a motor vehicle and windshield wiper assembly |
-
2019
- 2019-08-12 CN CN201910740339.8A patent/CN110356365A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10206400A (en) * | 1996-12-19 | 1998-08-07 | Asulab Sa | Ultrasonic detection element for automatically controlled window screen cleaning system |
| CN107000693A (en) * | 2014-12-12 | 2017-08-01 | 阿斯莫株式会社 | Wiper control device |
| GB2536238A (en) * | 2015-03-09 | 2016-09-14 | Jaguar Land Rover Ltd | Windshield monitoring system |
| CN107428314A (en) * | 2015-03-09 | 2017-12-01 | 捷豹路虎有限公司 | Windscreen monitoring system |
| CN207631198U (en) * | 2016-06-30 | 2018-07-20 | N·J·辛格 | The automobile with cleaning system is touched with windshield |
| US20180345916A1 (en) * | 2017-06-02 | 2018-12-06 | Valeo Systèmes d'Essuyage | Eye tracking to save washing liquid |
| DE102018008022A1 (en) * | 2018-10-10 | 2019-03-28 | Daimler Ag | A method for cleaning a windshield of a motor vehicle and windshield wiper assembly |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20220058810A1 (en) * | 2020-08-20 | 2022-02-24 | Robert Bosch Gmbh | Test system and test method for windshield wipers |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20191022 |