CN104097612B - Rear windshield wiper control system and rear windshield wiper control method - Google Patents
Rear windshield wiper control system and rear windshield wiper control method Download PDFInfo
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- CN104097612B CN104097612B CN201310121418.3A CN201310121418A CN104097612B CN 104097612 B CN104097612 B CN 104097612B CN 201310121418 A CN201310121418 A CN 201310121418A CN 104097612 B CN104097612 B CN 104097612B
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Abstract
The invention provides a rear windshield wiper control system which comprises an input signal processing unit, a central processing unit (CPU) and a drive circuit unit, wherein the input signal processing unit is used for receiving signal of all switches; the CPU is connected with the input signal processing unit, and is used for receiving the signals output by the input signal processing unit and determining the states of all the switches and the state of a front windshield wiper; the drive circuit unit is connected with the CPU, and is used for receiving the signals output by the CPU so as to realize the drive control for a windshield wiper motor and a rear washing motor. The invention also provides a rear windshield wiper control method which comprises the steps of monitoring the working state of the front windshield wiper; monitoring the signals of all the switches; and realizing the drive control for the windshield wiper motor and the rear washing motor according to the working state of the front windshield wiper and the signals of all the switches. After the system and the method are adopted, a rear windshield wiper can work without manually operating the switches, and does not only have a single continuous wiping or intermittent wiping mode any more, so that a comfortable and convenient driving environment is provided for a customer.
Description
Technical field
The present invention relates to automobile technical field, especially a kind of back rain blowing controlled system and its control method.
Background technology
Flourishing with car automobile industry, status more and more higher in Full Vehicle System for the automotive electronic technology, to car load
Each ecu(electronic control unit, electronic control unit) control function require also increasingly stricter, by morning
The basic control function of phase is to multi-functional, intelligent transformation.Windscreen wiper is the indispensable device of existing a lot of automobile such as two-box automobile afterwards, mesh
After vehicle in front, windscreen wiper control function is simple, and simply the continuous wiper of single embodiment, interval wiper etc. control, and rain after each operation
Scrape and must be manually operated switch to execute, under rainy day or rear window dirtier environment, there is no windscreen wiper after manual unlocking
In the case of, during reversing, the visual effect to client impacts.
Content of the invention
The features and advantages of the present invention are partly stated in the following description, or can from this description it is clear that or
Person can be learnt by putting into practice the present invention.
For overcoming problem of the prior art, the present invention provides the controlling party of a kind of back rain blowing controlled system and rear windscreen wiper
Method, windscreen wiper after being controlled according to the state-driven of each switch and front windscreen wiper, so that rear windscreen wiper is opened without going through manual operation
Close and to execute, it is to avoid in the case of windscreen wiper after not having manual unlocking, during reversing, the visual effect to client impacts.
The technical scheme that present invention solution above-mentioned technical problem is adopted is as follows:
According to an aspect of the present invention, provide a kind of back rain blowing controlled system, comprising: input signal processing unit, use
In receiving switching signal, this switching signal at least includes reverse gear switch signal, front windscreen wiper wiper mode switching signal and rear rain
Scrape switching signal；Central processing unit, is connected with this input signal processing unit, for receiving the output of this input signal processing unit
Signal and determine the state of this switching signal and the state of front windscreen wiper.Drive circuit unit, is connected with this central processing unit,
For receiving the signal of this central processing unit output to realize the drive control to rear rain shaving electrical machine and rear washing motor.
According to one embodiment of present invention, this central controller includes connected front windscreen wiper control unit and rear windscreen wiper
Control unit, wherein this front windscreen wiper control unit are used for processing the signal related to front windscreen wiper, realize to front windscreen wiper drive circuit
Control；This rear windscreen wiper control unit is used for receiving the signal of this front windscreen wiper control unit output and this input signal processes list
The signal of unit's output, realizes the control to this drive circuit unit.
According to one embodiment of present invention, this central controller is additionally operable to, when determination reverse gear switch signal and front rain
When wiper mode switching signal is in effective status, and after time predefined section, rain after rain shaving electrical machine starts after control
Scrape and carry out wiper running, when determining that reverse gear switch signal is in effective status but this front windscreen wiper wiper mode switch is in invalid shape
During state, rear rain shaving electrical machine is not controlled.
According to one embodiment of present invention, this central controller is additionally operable to, after after control, rain shaving electrical machine starts and makes this
Windscreen wiper is followed front windscreen wiper and is carried out the running of wiper pattern of the same race or carry out the wiper running of low-speed mode.
According to one embodiment of present invention, this input signal processing unit is additionally operable to receive back spare door switching signal；Should
Central controller is additionally operable to, and when determining that back spare door switching signal is in effective status, after control, rain shaving electrical machine quits work；When
When determining that back spare door switching signal becomes disarmed state by effective status, and after time predefined section, windscreen wiper electricity after control
Machine starts and makes the wiper action before rear windscreen wiper recovery.
According to one embodiment of present invention, wash switch signal after this input signal processing unit is additionally operable to receive；Should
Central controller is additionally operable to, and when after determining, wiper switch signal is in effective status, after control, windscreen wiper enters manual wiper mould
The working condition of formula；When wash switch signal is effective after determining, this rear washing motor is driven to open by this drive circuit unit
Dynamic, after after control, rain shaving electrical machine starts, windscreen wiper carries out wiper running；After determining, wash switch signal is become no by effective status
During effect state, after control, rain shaving electrical machine starts and so that rear windscreen wiper is suspended after continuously performing multiple wiper circulations and drives, and through pre-
After defining the time period, quit work after executing wiper circulation at least one times again.
According to one embodiment of present invention, this central controller is additionally operable to receive the rear windscreen wiper of this rear rain shaving electrical machine feedback
Whether it is in the signal of stop position, and rain shaving electrical machine makes rear windscreen wiper complete after returning after time wiper circulates after controlling accordingly
Windscreen wiper stop position.
According to another aspect of the present invention, provide a kind of control method of rear windscreen wiper, comprising: s1, receive switching signal,
This switching signal at least includes reverse gear switch signal, front windscreen wiper wiper mode switching signal and rear wiper switch signal；S2, really
The fixed state of this switching signal and the state of front windscreen wiper；And realize the driving to rear rain shaving electrical machine and rear washing motor accordingly
Control.
According to one embodiment of present invention, in this step s2, when this reverse gear switch signal of determination and front windscreen wiper are scraped
When brush mode switching signal is in effective status, then after time predefined section, windscreen wiper after controlling this rear rain shaving electrical machine to start
Carry out wiper running；When determining that this reverse gear switch signal is in effective status but this front windscreen wiper wiper mode switch is in invalid shape
During state, then this rear rain shaving electrical machine is not controlled.
According to one embodiment of present invention, when this rear windscreen wiper carries out wiper running, this rear windscreen wiper is followed front windscreen wiper and is entered
The running of row wiper pattern of the same race or the wiper running carrying out low-speed mode.
According to one embodiment of present invention, in this step s1, this switching signal also includes back spare door switching signal；?
In this step s2, when determining that this back spare door switching signal is in effective status, after control, rain shaving electrical machine quits work；If after
Continuous this back spare door switching signal of determination is invalid, then, after opening the timing of a period of time, timing, control this rear rain shaving electrical machine
Wiper action before starting and make rear windscreen wiper to recover.
According to one embodiment of present invention, in this step s1, this switching signal also includes rear wash switch signal；?
In this step s2, when determining that this rear wiper switch signal is in effective status, after control, windscreen wiper enters manual wiper pattern
Working condition；When determining that this rear wash switch signal is effective, drive this rear washing motor to start, control this rear rain shaving electrical machine to open
After dynamic, windscreen wiper carries out wiper running；When determining that this rear wash switch signal becomes disarmed state by effective status, then controlling should
Rain shaving electrical machine starts and so that rear windscreen wiper is suspended after continuously performing multiple wiper circulations and drives afterwards, and after time predefined section,
Quit work after executing wiper circulation at least one times again.
According to one embodiment of present invention, also include step, the signal whether rear windscreen wiper is in stop position is carried out
Real-time Feedback, makes this rear windscreen wiper complete to return rear windscreen wiper stop position after time wiper circulates.
By reading description, those of ordinary skill in the art will be best understood the feature of these technical schemes and interior
Hold.
Brief description
It is specifically described the present invention below with reference to accompanying drawing and with reference to example, advantages of the present invention and implementation will
Become apparent from, wherein shown in accompanying drawing, content is only used for explanation of the present invention, and do not constitute to the present invention in all senses
On restriction, in the accompanying drawings:
Fig. 1 a is a kind of concrete structure schematic diagram of back rain blowing controlled system of the embodiment of the present invention.
Fig. 1 b is the concrete structure schematic diagram of another kind of back rain blowing controlled system of the embodiment of the present invention.
Fig. 2 is the schematic flow sheet of the rear rain scrape control method of the embodiment of the present invention.
Fig. 3 is the control logic sequential chart when front windscreen wiper carries out high speed wiper pattern for the rear windscreen wiper of the embodiment of the present invention.
Fig. 4 is the control logic sequential chart when front windscreen wiper carries out low speed wiper pattern for the rear windscreen wiper of the embodiment of the present invention.
Fig. 5 is the control logic sequential chart when front windscreen wiper carries out crawl wiper pattern for the rear windscreen wiper of the embodiment of the present invention.
Fig. 6 is the control logic sequential chart when front windscreen wiper carries out interval wiper pattern for the rear windscreen wiper of the embodiment of the present invention.
Fig. 7 is the control logic sequential chart when back spare door is opened for the rear windscreen wiper of the embodiment of the present invention.
Fig. 8 be the embodiment of the present invention rear windscreen wiper rear wash switch input effective when control logic sequential chart.
Specific embodiment
As shown in Figure 1 a, 1 b, the present invention provides a kind of back rain blowing controlled system, and this back rain blowing controlled system 100 includes:
Input signal processing unit 60, for receiving switching signal, this switching signal at least includes reverse gear switch signal, front windscreen wiper wiper
Mode switching signal and rear wiper switch signal；Central processing unit 70, is connected with this input signal processing unit 60, is used for connecing
Receive the signal of this input signal processing unit 60 output and determine the state of this switching signal and the state of front windscreen wiper.Drive electricity
Road unit 80, is connected with this central processing unit 70, for receiving the signal of central processing unit 70 output to realize to rear windscreen wiper electricity
Machine 91 and the drive control of rear washing motor 92.
Wherein, central controller 70 includes connected front windscreen wiper control unit 30 and rear windscreen wiper control unit 40, wherein
This front windscreen wiper control unit 30 is used for processing the signal related to front windscreen wiper, realizes the control to front windscreen wiper drive circuit；Front rain
When scraping work, front windscreen wiper control unit 30 can monitor the kinestate of front windscreen wiper, by the detection of front windscreen wiper signal, filtering etc.
After process, export windscreen wiper real-time action information to rear wiper controller 40.This rear windscreen wiper control unit 40 is used for receiving front windscreen wiper
The signal of control unit 30 output and the signal of input signal processing unit 60 output, realize the control to this drive circuit unit
System.
Input signal processing unit 60 includes the front windscreen wiper input signal processing unit for receiving front windscreen wiper coherent signal
10 and for receive after windscreen wiper coherent signal rear windscreen wiper input signal processing unit 20.Wherein front windscreen wiper coherent signal refers to
Ignition switch signal 11, front windscreen wiper wiper mode switching signal 12, interval gear switch signal 13 etc..In the present embodiment, front rain
Scrape and have 4 kinds of wiper patterns, be high speed wiper pattern, low speed wiper pattern, interval wiper pattern, crawl wiper pattern respectively,
These four wiper patterns have corresponded to different front windscreen wiper wiper mode switching signals, when current windscreen wiper is in interval wiper pattern,
Need to determine the intermittent time (dwell time) using interval gear switch signal 13 typically have four kinds of intermittent times to supply driver to select
Select, respectively 1s, 2s, 4s and 6s.And this rear windscreen wiper coherent signal refers to reverse gear switch signal 21, back spare door switching signal
22nd, rear wiper switch signal 23 and rear wash switch signal 24 etc..
Front windscreen wiper input signal processing unit 10 is connected with front windscreen wiper control unit 30 in the present embodiment, and by front windscreen wiper
Coherent signal passes to front windscreen wiper control unit 30, rear windscreen wiper input signal processing unit 20 and rear windscreen wiper control unit 40 phase
Even, and rear windscreen wiper coherent signal is passed to rear windscreen wiper control unit 40.
Rear windscreen wiper control unit 40 in this central controller 70 is additionally operable to receive the rear rain of this rear rain shaving electrical machine 91 feedback
Scrape the signal whether being in stop position, and rain shaving electrical machine 91 makes this rear windscreen wiper complete after time wiper circulates after controlling accordingly again
Return to rear windscreen wiper stop position.
This central controller 70 is additionally operable to, when determination reverse gear switch signal 21 and front windscreen wiper wiper mode switching signal 12
When being in effective status, and after time predefined section, after after control, rain shaving electrical machine 91 starts, windscreen wiper carries out wiper running, tool
For body, this rear windscreen wiper can be made to follow front windscreen wiper and to carry out the running of wiper pattern of the same race or the fortune carrying out low speed wiper pattern
Make；When determining that reverse gear switch signal 21 is in effective status but this front windscreen wiper wiper mode switch 12 is in disarmed state, not right
Rain shaving electrical machine 91 is controlled afterwards.Above-mentioned time predefined section (e.g. 200 milliseconds) can prevent in at(automatic
Transmission, automatic transmission) convert in vehicle and produce misoperation through r shelves (reverse, reverse gear) during gear.
This central controller 70 is additionally operable to, when determining that back spare door switching signal 22 is in effective status, windscreen wiper after control
Motor 91 quits work；When determining that back spare door switching signal 22 becomes disarmed state by effective status, and when predefined
Between wiper action after section, before rain shaving electrical machine 91 starts and makes rear windscreen wiper recover after control.Above-mentioned time predefined section is (for example
It is 1 second) it is to close after back spare door it is ensured that staff leaves the time in rear windscreen wiper wiper region to user
This central controller 70 is additionally operable to, when determine ignition switch signal 11 and after wiper switch signal 23 be in effectively
During state, this rear windscreen wiper is controlled to enter the working condition of manual wiper pattern；When after determining, wash switch signal 24 is effective, lead to
Crossing this drive circuit unit 80 drives this rear washing motor 92 to start, and after after control, rain shaving electrical machine 91 starts, windscreen wiper carries out wiper fortune
Make；When after determining, wash switch signal 24 becomes disarmed state by effective status, after after control, rain shaving electrical machine 91 starts and makes
Windscreen wiper suspends driving after continuously performing multiple wiper circulations, and after time predefined section, executes wiper at least one times again
Quit work after circulation.
A kind of back rain blowing controlled system that the present invention provides, wiper switch state after being judged by central processor comprehensive,
Front windscreen wiper working condition, and reverse gear switch state, and through logical operationss determine to after windscreen wiper driving output and end, after making
Windscreen wiper is followed front windscreen wiper and is synchronously executed wiper action or execution low speed wiper action, so that rear windscreen wiper is without going through manual operation
Switch and to execute, it is to avoid in the case of windscreen wiper after not having manual unlocking, during reversing, the visual effect to client impacts；With
Shi Liyong repeatedly circulates wiper and is also provided that preferably cleaning performance in cleaning, provides comfortable to client, convenient driving
Environment.
Refer to Fig. 2, present invention also offers a kind of control method of rear windscreen wiper, the process step of the method includes: s1,
Receive switching signal, this switching signal at least includes reverse gear switch signal, front windscreen wiper wiper mode switching signal and rear windscreen wiper
Switching signal；S2, determines the state of this switching signal and the state of front windscreen wiper；And accordingly realize to rear rain shaving electrical machine and after
The drive control of washing motor.
Rear windscreen wiper can be controlled using above-mentioned back rain blowing controlled system or rear rain scrape control method and be divided into Non-follow control mould
Formula and intelligent control mode both of which.In the basic MANUAL CONTROL mode of rear windscreen wiper, when input signal processing unit 60 is examined
Measure ignition switch signal 11 and when rear wiper switch signal 23 inputs effective, rear windscreen wiper control unit 40 controls drive circuit list
Unit 80 output, realizes to rear windscreen wiper continuous wiper action control.When after wiper switch signal 23 input be changed into invalid, or igniting
Switching signal is changed into other states, and rear windscreen wiper needs to complete to stop after time wiper circulates, and that is, rear windscreen wiper automatically returns to windscreen wiper and stops
After only just stopping behind (park) position, windscreen wiper drive circuit unit 80 exports, and rear windscreen wiper MANUAL CONTROL mode terminates.Then windscreen wiper
Intelligent control mode is primarily referred to as current windscreen wiper wiper mode switching signal 12 and the input of reverse gear switch signal 21 is effective, front
Windscreen wiper signal processing unit 10 detect reverse gear switch signal 21 and front windscreen wiper wiper mode switching signal 12 effective when, after control
Rain shaving electrical machine action after windscreen wiper control unit 40 control output circuit unit 80 driving, rear windscreen wiper under this intelligent control mode
Action follows the operational mode of front windscreen wiper and action or operated with low speed wiper pattern.
Control logic sequential chart referring to Fig. 3 to Fig. 8 elaborates to the control method of rear windscreen wiper:
First, refer to Fig. 3, Fig. 3 is the rear windscreen wiper of the embodiment of the present invention when front windscreen wiper carries out high speed wiper pattern
Control logic sequential chart.In the present embodiment, this front windscreen wiper is in the working condition of high speed wiper, that is, front windscreen wiper top gear
Switching signal is in effective status, now, if ignition switch signal 11 and reverse gear switch signal 21 are all in effective status,
Then after a period of time (e.g. 200 milliseconds), after this rear rain shaving electrical machine 91 controls, windscreen wiper enters wiper mould identical with this front windscreen wiper
Formula is the working condition of high speed wiper pattern, and from Energy Angle, after this rear rain shaving electrical machine 91 can also control, windscreen wiper enters
The working condition of low speed wiper pattern, above-mentioned this time can prevent in at(automatic transmission, automatically becomes
Fast device) produce misoperation through r shelves (reverse, reverse gear) when converting gear in vehicle.When rear windscreen wiper will quit work, after
Whether rear windscreen wiper is in the signal Real-time Feedback of stop position (park switch) to this rear windscreen wiper control unit by rain shaving electrical machine 91
40, make this rear windscreen wiper complete to return rear windscreen wiper stop position after time wiper circulates (wipe cycle).But when only
When gear switch signal 21 is in effective status, rear rain shaving electrical machine 91 is not controlled.That is, current windscreen wiper wiper pattern
Switch 12 is in disarmed state, and when rear wiper switch signal 23 inputs invalid, even if car load is in reverse gear state, rear windscreen wiper is not yet
Front windscreen wiper action can be followed, visual impact is caused to client with windscreen wiper wiper after preventing when moveing backward the non-rainy day.
Referring again to Fig. 4, Fig. 4 is the control when front windscreen wiper carries out low speed wiper pattern for the rear windscreen wiper of the embodiment of the present invention
Logic timing figure.In the present embodiment, this front windscreen wiper is in the working condition of low speed wiper, that is, front windscreen wiper kick down switch
Signal is in effective status, now, if ignition switch signal 11 and reverse gear switch signal 21 are all in effective status, one
After section time (e.g. 200 milliseconds), after this rear rain shaving electrical machine 91 controls, windscreen wiper enters wiper pattern identical with this front windscreen wiper and is
The working condition of low speed wiper pattern, above-mentioned this time can prevent in at(automatic transmission, automatically becomes
Fast device) produce misoperation through r shelves (reverse, reverse gear) when converting gear in vehicle.When rear windscreen wiper will quit work, after
Whether rear windscreen wiper is in the signal Real-time Feedback of stop position (park switch) to rear windscreen wiper control unit 40 by rain shaving electrical machine 91,
This rear windscreen wiper is made to complete to return rear windscreen wiper stop position after time wiper circulates (wipe cycle).But ought only reverse gear open
When OFF signal 21 is in effective status, rear rain shaving electrical machine 91 is not controlled.That is, current windscreen wiper wiper mode switch
12 are in disarmed state, and when rear wiper switch signal 23 inputs invalid, even if car load is in reverse gear state, rear windscreen wiper also will not be with
With front windscreen wiper action, visual impact is caused to client with windscreen wiper wiper after preventing when moveing backward the non-rainy day.
Please continue with reference to Fig. 5, Fig. 5 is the control when front windscreen wiper carries out crawl wiper pattern for the rear windscreen wiper of the embodiment of the present invention
Logic timing figure processed.In the present embodiment, this front windscreen wiper is in the working condition of crawl wiper, that is, front windscreen wiper crawl shelves are opened
OFF signal is in effective status, now, if ignition switch signal 11 and reverse gear switch signal 21 are all in effective status,
For a period of time after (e.g. 200 milliseconds), after this rear rain shaving electrical machine 91 controls, windscreen wiper enters wiper pattern identical with this front windscreen wiper
The i.e. working condition of crawl wiper pattern, after equally this rear rain shaving electrical machine 91 can also control, windscreen wiper enters low speed wiper pattern
Working condition (does not show in sequential chart), and above-mentioned this time is used to prevent in at(automatic transmission, from
Dynamic variator) produce misoperation through r shelves (reverse, reverse gear) when converting gear in vehicle.When after windscreen wiper to quit work
When, the signal Real-time Feedback whether rear windscreen wiper is in stop position (park switch) is controlled by rear rain shaving electrical machine 91 to this rear windscreen wiper
Unit 40, makes this rear windscreen wiper complete to return rear windscreen wiper stop position after time wiper circulates (wipe cycle).But ought be only
When having reverse gear switch signal 21 to be in effective status, rear rain shaving electrical machine 91 is not controlled.That is, current windscreen wiper wiper
Mode switch 12 is in disarmed state, and when rear wiper switch signal 23 inputs invalid, even if car load is in reverse gear state, rear windscreen wiper
Also front windscreen wiper action will not be followed, visual impact is caused to client with windscreen wiper wiper after preventing when moveing backward the non-rainy day.
Refer to Fig. 6, Fig. 6 is that the control when front windscreen wiper carries out interval wiper pattern for the rear windscreen wiper of the embodiment of the present invention is patrolled
Collect sequential chart.In the present embodiment, this front windscreen wiper is in the working condition of interval wiper, that is, front windscreen wiper interval gear switch letter
Number and interval shelves signal 13 be in effective status, now, if ignition switch signal 11 and reverse gear switch signal 21 are all located
In effective status, then after a period of time (e.g. 200 milliseconds), after this rear rain shaving electrical machine 91 controls, windscreen wiper follows front windscreen wiper with same
The intermittent time of sample carries out interval wiper action, and after equally this rear rain shaving electrical machine 91 can also control, windscreen wiper enters low speed wiper mould
The working condition (not showing in sequential chart) of formula, above-mentioned this time is used to prevent in at(automatic
Transmission, automatic transmission) convert in vehicle and produce misoperation through r shelves (reverse, reverse gear) during gear.When
When windscreen wiper will quit work afterwards, the signal whether rear windscreen wiper is in stop position (park switch) by rear rain shaving electrical machine 91 is anti-in real time
Feed this rear windscreen wiper control unit 40, so that this rear windscreen wiper is completed to return rear windscreen wiper after time wiper circulation (wipe cycle) and stop
Stop bit is put.But when only reverse gear switch signal 21 is in effective status, rear rain shaving electrical machine 91 is not controlled.Namely
Say, current windscreen wiper wiper mode switch 12 is in disarmed state, and when rear wiper switch signal 23 inputs invalid, even if car load exists
Reverse gear state, rear windscreen wiper also will not follow front windscreen wiper action, is caused to client with windscreen wiper wiper after preventing when moveing backward the non-rainy day
Visual impact.
Refer to Fig. 7, Fig. 7 is the control logic sequential chart when back spare door is opened for the rear windscreen wiper of the embodiment of the present invention.When
When back spare door switching signal 22 is in effective status, now no matter this rear windscreen wiper is in the working condition of which kind of wiper pattern, should
Windscreen wiper can quit work immediately and no matter whether this rear windscreen wiper has returned to stop position afterwards.In the present embodiment, this front windscreen wiper is high
Fast gear switch is in effective status, so the working condition that front windscreen wiper enters high speed wiper pattern followed by this rear windscreen wiper.If after
Continue this central controller 70 and determine that back spare door switching signal 22 is invalid, then after opening the timing of a period of time, timing, extensive
Wiper action before windscreen wiper after multiple.In the present embodiment, this timing be 1 second, this 1 second time be to user close after
For behind the door it is ensured that staff leaves the time in rear windscreen wiper wiper region.
Finally refer to Fig. 8, Fig. 8 be the embodiment of the present invention rear windscreen wiper rear wash switch input effective when control patrol
Collect sequential chart.When ignition switch signal 11 and rear wiper switch signal 23 are in effective status, this rear windscreen wiper enters manually
The working condition of wiper pattern；Now, if rear wash switch signal 24 is in effective status, this rear washing motor 92 works,
After a period of time such as 200 milliseconds, after this rear windscreen wiper control unit 40 controls drive circuit unit 80 to drive, windscreen wiper carries out wiper, when
When this rear wash switch signal 24 is invalid, this rear windscreen wiper suspends after also needing to continuously perform multiple wipers circulations and drives, in this enforcement
In example, this rear windscreen wiper continuously performs 2 wipers and circulates, for a period of time as after 6s, executed wiper circulation at least one times again
Stop afterwards driving, make not scrape the cleanout fluid cleaning down to scrape and clean down, to the more preferable wiping effect of client.
The invention provides the control method of a kind of back rain blowing controlled system and rear windscreen wiper, rear windscreen wiper is made to follow front windscreen wiper
Synchronous execution wiper action or execution low speed wiper action, it is to avoid the pattern of single continuous wiper or interval wiper, pass through
Wiper switch state after comprehensive descision, front windscreen wiper working condition, and effective reverse gear switch state, determine the drive to rear windscreen wiper
Dynamic output and cut-off, so that rear windscreen wiper to execute without going through manual operation switch, it is to avoid windscreen wiper after not having manual unlocking
In the case of, during reversing, the visual effect to client impacts；And when the input of rear wash switch is invalid, circulated by multiple
Wiper is also provided that preferably cleaning performance in cleaning, provides comfortable to client, convenient driving environment.
The preferred embodiments of the present invention above by reference to brief description, those skilled in the art are without departing from the scope of the present invention
And essence, multiple flexible programs can be had to realize the present invention.For example, as the shown partially of an embodiment or description
Feature can be used for another embodiment to obtain another embodiment.These are only the preferably feasible embodiment of the present invention, not
Therefore limit to the interest field of the present invention, the equivalence changes that all utilization description of the invention and accompanying drawing content are made, be both contained in
Within the interest field of the present invention.
Claims (10)
1. a kind of back rain blowing controlled system is it is characterised in that include:
Input signal processing unit, for receiving switching signal, described switching signal at least includes reverse gear switch signal, front windscreen wiper
Wiper mode switching signal and rear wiper switch signal；
Central processing unit, is connected with described input signal processing unit, for receiving described input signal processing unit output
Signal simultaneously determines the state of described switching signal and the state of front windscreen wiper；Described central processing unit is additionally operable to fall when determination is described
When gear switch signal and front windscreen wiper wiper mode switching signal are in effective status, and after time predefined section, control
After rain shaving electrical machine starts afterwards, windscreen wiper carries out wiper running, when the described reverse gear switch signal of determination is in effective status but described front rain
When wiper mode switching signal is in disarmed state, described rear rain shaving electrical machine is not controlled；
Drive circuit unit, is connected with described central processing unit, for receiving the signal of described central processing unit output to realize
Drive control to rear rain shaving electrical machine and rear washing motor.
2. back rain blowing controlled system according to claim 1, it is characterised in that described central controller is additionally operable to, controls
Described rear rain shaving electrical machine starts and makes rear windscreen wiper follow front windscreen wiper and carries out the running of wiper pattern of the same race or individually carry out low speed mould
The wiper running of formula.
3. back rain blowing controlled system according to claim 1 it is characterised in that
Described input signal processing unit is additionally operable to receive back spare door switching signal；
Described central controller is additionally operable to, and when determining that described back spare door switching signal is in effective status, controls described rear rain
Scrape motor to quit work；When determining that described back spare door switching signal becomes disarmed state by effective status, and through predefined
Wiper action after time period, before controlling described rear rain shaving electrical machine to start and making rear windscreen wiper recover.
4. back rain blowing controlled system according to claim 1 it is characterised in that
Described input signal processing unit is additionally operable to wash switch signal after reception；
Described central controller is additionally operable to, and when determining that described rear wiper switch signal is in effective status, controls described rear rain
Blow into the working condition into manual wiper pattern；When determining that described rear wash switch signal is effective, by described drive circuit
After unit drives, washing motor starts, and after controlling described rear rain shaving electrical machine to start, windscreen wiper carries out wiper running；After determining described
When wash switch signal becomes disarmed state by effective status, described rear rain shaving electrical machine is controlled to make rear windscreen wiper continuously perform multiple scraping
Suspend after brush circulation and drive, and after time predefined section, quit work after executing wiper circulation at least one times again.
5. back rain blowing controlled system according to claim 1 is it is characterised in that described central controller is additionally operable to receive institute
Whether the rear windscreen wiper stating rear rain shaving electrical machine feedback is in the signal of stop position, and controls described rear rain shaving electrical machine to make rear rain accordingly
Scrape and complete to return rear windscreen wiper stop position after time wiper circulates.
6. a kind of control method of rear windscreen wiper is it is characterised in that include:
Step s1, receives switching signal, and described switching signal at least includes reverse gear switch signal, front windscreen wiper wiper mode switch letter
Number and rear wiper switch signal；
Step s2, determines the state of described switching signal and the state of front windscreen wiper；And realize accordingly to rear rain shaving electrical machine and
The drive control of washing motor afterwards；
Wherein, in described step s2, when the described reverse gear switch signal of determination and front windscreen wiper wiper mode switching signal are in
During effective status, then after time predefined section, after controlling described rear rain shaving electrical machine to start, windscreen wiper carries out wiper running；When true
Fixed described reverse gear switch signal is in effective status but when described front windscreen wiper wiper mode switching signal is in disarmed state, then not
Described rear rain shaving electrical machine is controlled.
7. rear windscreen wiper according to claim 6 control method it is characterised in that after described windscreen wiper carry out wiper running
When, described rear windscreen wiper is followed front windscreen wiper and is carried out the running of wiper pattern of the same race or individually carry out the wiper running of low-speed mode.
8. rear windscreen wiper according to claim 6 control method it is characterised in that
In described step s1, described switching signal also includes back spare door switching signal；
In described step s2, when determining that described back spare door switching signal is in effective status, after control, rain shaving electrical machine stops
Work；If subsequently determining that described back spare door switching signal is invalid, after opening the timing of a period of time, timing, control
Make the wiper action before described rear rain shaving electrical machine starts and makes rear windscreen wiper recover.
9. rear windscreen wiper according to claim 6 control method it is characterised in that
In described step s1, described switching signal also includes rear wash switch signal；
In described step s2, when determining that described rear wiper switch signal is in effective status, after control, windscreen wiper enters manually
The working condition of wiper pattern；When determining that described rear wash switch signal is effective, drive described rear washing motor to start, control
After described rear rain shaving electrical machine starts, windscreen wiper carries out wiper running；After determining described, wash switch signal is become no by effective status
During effect state, then control described rear rain shaving electrical machine so that rear windscreen wiper is suspended after continuously performing multiple wiper circulations and drive, and through pre-
After defining the time period, quit work after executing wiper circulation at least one times again.
10. by rear windscreen wiper whether the control method of rear windscreen wiper according to claim 6 is it is characterised in that also include step,
The signal being in stop position carries out Real-time Feedback, makes described rear windscreen wiper complete to return rear windscreen wiper stopping after time wiper circulates
Position.
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| CN201310121418.3A CN104097612B (en) | 2013-04-09 | 2013-04-09 | Rear windshield wiper control system and rear windshield wiper control method |
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| CN201310121418.3A CN104097612B (en) | 2013-04-09 | 2013-04-09 | Rear windshield wiper control system and rear windshield wiper control method |
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| CN104097612B true CN104097612B (en) | 2017-01-18 |
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| CN104648244B (en) * | 2015-01-27 | 2017-02-01 | 奇瑞汽车股份有限公司 | Method and device for reminding state of wiper |
| CN106740697A (en) * | 2017-01-10 | 2017-05-31 | 北京汽车集团有限公司 | Rain scrape control method and device afterwards |
| CN107351814B (en) * | 2017-06-05 | 2019-09-10 | 吉利汽车研究院（宁波）有限公司 | Windscreen wiper intelligent linkage control system and method afterwards |
| CN109878457A (en) * | 2019-03-11 | 2019-06-14 | 汉腾汽车有限公司 | A kind of rain blowing controlled system |
| CN110901880A (en) * | 2019-12-04 | 2020-03-24 | 中国直升机设计研究所 | Control method and control system for windshield wipers and windshield washing device |
| CN113492801B (en) * | 2020-04-02 | 2023-11-17 | 广州汽车集团股份有限公司 | Driving visual field enhancement method and device in raining and storage medium |
| CN113492802A (en) * | 2020-04-02 | 2021-10-12 | 广州汽车集团股份有限公司 | Control method and device for automatic wiper function and storage medium |
| CN112373436B (en) * | 2020-11-26 | 2022-07-19 | 北京车和家信息技术有限公司 | Cleaning method and device for automobile windshield, storage medium, equipment and automobile |
| CN112865416A (en) * | 2021-01-15 | 2021-05-28 | 江苏云睿汽车电器系统有限公司 | Rear wiper motor and control system |
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| CN104097612A (en) | 2014-10-15 |
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