CN109733331A - Control system for windscreen wiper and control method - Google Patents
Control system for windscreen wiper and control method Download PDFInfo
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- CN109733331A CN109733331A CN201910040621.5A CN201910040621A CN109733331A CN 109733331 A CN109733331 A CN 109733331A CN 201910040621 A CN201910040621 A CN 201910040621A CN 109733331 A CN109733331 A CN 109733331A
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- 238000000034 method Methods 0.000 title claims abstract description 12
- 239000011521 glass Substances 0.000 claims abstract description 23
- 238000005286 illumination Methods 0.000 claims description 82
- 238000001514 detection method Methods 0.000 claims description 7
- 230000035807 sensation Effects 0.000 description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 7
- 238000007664 blowing Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- 238000012544 monitoring process Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 241000736199 Paeonia Species 0.000 description 1
- 235000006484 Paeonia officinalis Nutrition 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000000452 restraining effect Effects 0.000 description 1
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Abstract
A kind of raindrop image this application discloses control system for windscreen wiper and control method, on the glass including shooting setting area；Single raindrop mask, raindrop quantity, the raindrop gross area on present image are calculated according to the image of shooting；Determine that wiper blows rain frequency according to calculated result.It according to technical solution provided by the embodiments of the present application, is determined by the size of the rainfall of glass photographs raindrop image conditions pair, can be adjusted in real time automatically according to the variation wiper of rainfall, realize that wiper meets the adjusting that different rain borders carries out intelligence.
Description
Technical field
The present invention relates generally to wiper more particularly to control system for windscreen wiper and control method.
Background technique
Rainy day driving, what car owner can adjust wiper according to rainfall size blows rain frequency, but actual conditions this adjustings
And not in time, even divert one's attention to operate sometimes to bring security risk；Secondly, driver itself leads to restraining oneself for rainwater size
It realizes to obscure and may bring traffic safety hidden danger.
Summary of the invention
In view of drawbacks described above in the prior art or deficiency, it is intended to provide a kind of control system for windscreen wiper and control method.
In a first aspect, a kind of control system for windscreen wiper, including shooting module are provided, for shooting the glass of setting area
Raindrop image；
Image processing module, for receiving the image of shooting module and calculating single raindrop area, rain on present image
Drip quantity, the raindrop gross area；
Controller, for determining that wiper blows rain frequency according to the calculated result.
Second aspect provides a kind of wiper control method, comprising steps of
Raindrop image on the glass of shooting setting area；
Single raindrop mask, raindrop quantity, the raindrop gross area on present image are calculated according to the image of shooting；
Determine that wiper blows rain frequency according to calculated result and intensity of illumination, specifically include: if raindrop quantity be greater than etc.
In the first setting value and the raindrop gross area is less than the second setting value, then controls wiper progress first frequency and blow rain；If raindrop are total
Area is more than or equal to the second setting value, then controls wiper progress second frequency and blow rain, wherein the first frequency is less than described
Second frequency.
According to technical solution provided by the embodiments of the present application, pass through the big of the rainfall of glass photographs raindrop image conditions pair
It is small to be determined, it can be adjusted in real time automatically according to the variation wiper of rainfall, realize that wiper meets different rain borders
Carry out the adjusting of intelligence.
Detailed description of the invention
By reading a detailed description of non-restrictive embodiments in the light of the attached drawings below, the application's is other
Feature, objects and advantages will become more apparent upon:
Fig. 1 is wiper control system architecture schematic diagram in the present embodiment；
Fig. 2 is rainfall and intensity of illumination relational graph in the present embodiment；
Fig. 3 is that rain flow passage structure schematic diagram is arranged in the present embodiment；
Fig. 4 is that another structural schematic diagram of rain runner is arranged in the present embodiment；
Fig. 5 is that each module realizes schematic diagram in the present embodiment；
Fig. 6 is wiper control method flow chart in the present embodiment.
Specific embodiment
The application is described in further detail with reference to the accompanying drawings and examples.It is understood that this place is retouched
The specific embodiment stated is used only for explaining related invention, rather than the restriction to the invention.It also should be noted that in order to
Convenient for description, part relevant to invention is illustrated only in attached drawing.
It should be noted that in the absence of conflict, the features in the embodiments and the embodiments of the present application can phase
Mutually combination.The application is described in detail below with reference to the accompanying drawings and in conjunction with the embodiments.
Referring to FIG. 1, the present embodiment provides a kind of control system for windscreen wiper, including shooting module 30, for shooting setting
Raindrop image on the glass of area；
Image processing module 40, for receive the image of shooting module and calculate the single raindrop area on present image,
Raindrop quantity, the raindrop gross area；
Controller 50, for determining that wiper blows rain frequency according to the calculated result.
The case where in the present embodiment by shooting and calculating the raindrop on glass, the feelings of current rainfall are detected in real time
Condition, and rain frequency is blown according to controlling wiper the case where above-mentioned raindrop in real time and changing it, to adapt to different rainfalls, nothing
It need to artificially be adjusted, can be adjusted in real time automatically according to the variation wiper of rainfall, it is different to realize that wiper meets
Rain border carries out the adjusting of intelligence.
Further, described " determining that wiper blows rain frequency according to the calculated result " is if include: that raindrop quantity is greater than
Equal to the first setting value and the raindrop gross area is less than the second setting value, then controls wiper progress first frequency and blow rain；If raindrop
The gross area is more than or equal to the second setting value, then controls wiper progress second frequency and blow rain, wherein the first frequency is less than institute
State second frequency.
In the present embodiment by shooting image confirm raindrop quantity and raindrop the gross area, image processing module pass through by
The size of raindrop is fitted to the circle of close size, reflects rainfall by calculating each circular quantity and size, side
One of the condition that changes as wiper frequency of size.When raindrop quantity be more than or equal to the first setting value and the raindrop gross area it is small
It when the second setting value, rains at this time and has reached the case where needing out wiper, but current rainfall is smaller, form raindrop
It is smaller, therefore using the work of first frequency progress wiper, it is current to blow rain frequently to be slow.Or when raindrop run up to certain number
The work for carrying out wiper when amount again prevents wiper frequent operation bring traveling inconvenient；When rainfall further increases
When, the area of raindrop then will increase, and when the raindrop gross area is more than or equal to the second setting value at this time, carry out windscreen wiper using second frequency
The work of device, if rainfall is persistently increased at this time, certain degree that the raindrop on glass increase can converge into water flow, at this time
It needs to be controlled by the detected value in row's rain runner.
It further, further include light illuminating unit 10 and photo cell 20 in the row's of being set to rain runner, the light illuminating unit
10 and the photo cell 20 be oppositely arranged, the light illuminating unit 10 is for issuing illumination；The photo cell 20 is for receiving
The illumination of the light illuminating unit sending simultaneously detects received intensity of illumination；
The controller 50 is configured as determining that wiper blows rain frequency according to the intensity of illumination that the photo cell 20 detects
Rate.
Two parts of setting in row's rain runner in the present embodiment carry out the detection of intensity of illumination in row's rain runner, first is that
The light illuminating unit of illumination is issued, another is the photo cell for receiving illumination, and two unit installations on the same line, carry out two
The detection of intensity of illumination can further learn the number of current water between unit.
Controller carries out the control of wiper frequency according to the result of image processing module and light sensation module in the present embodiment,
Rain frequency is blown according to what the result of image processing module determined wiper first under normal circumstances, image processing module can be known
Not a certain range of rainfall, when rainfall is especially small perhaps no rainy or when rainfall is especially big, image processing module is calculated
The numerical value such as raindrop area out can not indicate that controller makes correct judgement, therefore, in the knot according to image processing module
Fruit can not determine when blowing rain frequency of wiper, need further to be gone to determine wiper according to the intensity of illumination of light sensation module
Rain frequency is blown, guarantees the system to the accuracy of the judgement of rainfall and control wiper.
Further, row's rain runner includes vertical first pipe 1, and the first pipe 1 is equipped with rainwater entrance
11 and rainwater outlet 12, light illuminating unit 13 is equipped at the rainwater entrance 11, is equipped with photo cell 14 at the rainwater outlet 12,
Pipeline between the light illuminating unit 13 and the photo cell 14 is transparent flow passage.
Conventional automobile row's rain runner is located at Chinese herbaceous peony two sides, and the water flow size in runner can directly reflect the big of rainfall
It is small, as shown in figure 3, the monitoring of rainfall is realized in the present embodiment, by increasing light sensation module, according to the depth of water in runner
The transmitance difference of its different light realizes the detection of rainfall；Light illuminating unit setting exists in rainwater inlet, photo cell setting
At rainwater outlet, while being set as to exclude the influence of external environmental light for the pipeline between light illuminating unit and photo cell
Free flow road, other are nontransparent structure.
Further, the first pipe 1 is equipped with multiple rainwater outlets 15, and each rainwater outlet 15 passes through level
The pipeline of setting is connected to 1 in the first pipe, and the pipeline that each rainwater outlet 14 connects is arranged in parallel.
It is as described in Figure 4 row's rain pipeline configuration schematic diagram of optimization provided in this embodiment, wherein increasing on row's rain pipeline
Add and be provided with multiple branch lines, each branch line is connected in first pipe, and multiple branch lines are arranged in parallel, and it is medium and small that wherein T0 is corresponding
When rainfall, the flow of spur outlet is greater than the flow of rainwater entrance, at this time the rainfall stable position T0 always, its corresponding light sensation
Size is also constant；When the rainfall of entrance is greater than T0 spur outlet flow, rainfall can reach T1, and the rainfall that will be had more quickly
By the corresponding spur outlet outflow of increased T1, to reach balance, the branch linear flow rate of T1 can correspond to certain rainfall at this time；
And so on, rainfall gradually increases as Ti and Tn, can increase corresponding different branch line according to different rainfall and remove equalization vent
Flow, and corresponding equalization point reflects stable light sensation variation, corresponding different light sensation variation can be converted to corresponding electricity
Road further controls the different intensity of illumination and rainfall size blowing rain frequency, in relational graph shown in Fig. 2 be under this structure
Relational graph.In the method, the variation of light sensation can't be influenced only be influenced by water by water quality, and this is exactly when driving a vehicle
Required for environment, when particularly with big rainfall, the rate for blowing rain more can be accurately controlled.
Further, row's rain runner is equipped at least four rainwater outlets 15.While the car is driving according to rainfall
Size carry out wiper adjusting, but rainfall in the case where constantly becoming larger can not always increase wiper blow rain frequency
Rate will affect driving and safety problem occurs, therefore, sets four for wiper under normal circumstances and blows rain frequency, wherein arranging
Four rainwater outlets corresponding four are arranged on rain runner and blows rain frequency, when corresponding intensity of illumination does not change, scrapes
Rain frequency also haves no need to change.
Further, described " determining that wiper blows rain frequency according to the intensity of illumination that the photo cell detects " includes:
If intensity of illumination be more than or equal to the first intensity of illumination, control wiper carry out first frequency blow rain, if intensity of illumination be greater than etc.
In the second intensity of illumination less than the first intensity of illumination, then control wiper carry out second frequency blow rain, if intensity of illumination be greater than etc.
In third intensity of illumination less than the second intensity of illumination, then controls wiper and carry out third frequency and blow rain, if intensity of illumination is less than the
Three intensities of illumination then control the 4th frequency of wiper progress and blow rain；Wherein, the first frequency is less than the second frequency and is less than
The third frequency is less than the 4th frequency.
Controller in the present embodiment controls the rain frequency of blowing of wiper by both sides data, is on the one hand
The control that wiper is carried out according to the quantity of the raindrop taken or area etc. is united by the raindrop on shooting glass
Meter, the mode which blows rain frequency, which is generally useful in, just to begin to rain or when rainfall is lesser, because in rain
It measures in very big situation, not will form many raindrop on glass, but will form water flow and flow away, therefore is non-in rainfall
It is not suitable for carrying out the control of wiper using the image of shooting in the case where often big, therefore, on the other hand by setting in row's rain
Light sensation module in runner carries out the detection of intensity of illumination, and arranging rainfall different in rain runner will form different intensities of illumination,
Current rainfall is determined according to intensity of illumination, the further control for carrying out wiper.
As shown in Fig. 2, the intensity of illumination in the present embodiment in row's rain runner can be set to four kinds of situations and be controlled, light
When being more than or equal to the first intensity of illumination L1 according to intensity, arrange in rain runner do not collect more rainwater at this time, received light compared with
By force, wiper works according to first frequency, and above situation corresponds to first detected to raindrop quantity and area
Kind situation, the two do not conflict with each other；When arranging, the intensity of illumination in rain runner is located at the first intensity of illumination L1 and the second illumination is strong
When spending between L2, wiper works according to second frequency, corresponds to the above-mentioned raindrop gross area at this time and is more than or equal to the second setting
The case where value；When rainfall persistently becomes larger, and the detection of raindrop quantity and area can not represent rainfall situation, intensity of illumination at this time
Between third intensity of illumination L3 and the second intensity of illumination L2, control wiper works according to third frequency；Work as rainfall
Persistently become larger, intensity of illumination is less than third illumination L3 intensity, controls wiper at this time and works according to the 4th frequency, is at this time
So that intensity of illumination is being become smaller, also carries out wiper work according to the 4th frequency, the 4th frequency is maximum frequency, in practice
In, the working frequency of wiper can not infinitely increase, because will affect safe driving in this way, wiper maximum operation frequency is
For the 4th frequency.
Further, the shooting module is mounted on shield glass.As shown in figure 5, the bat in the present embodiment
Module is taken the photograph to be mounted on shield glass, while the car is driving, the received rainwater of front windshield is more and timely,
Currently rainy situation can be reacted in real time, and shooting module shooting is the raindrop situation of area as shown in the figure, ordinary circumstance
The bigger error of area of lower monitoring shooting is smaller, but larger area will increase the processing operand to image, therefore chooses and close
Suitable area is monitored, and is also convenient for being calculated faster, preferably uses on front windshield area for M in the present embodiment
Elliptical region shot and monitored；And dotted line position is the position arranged where rain pipeline, by light sensation mould in the present embodiment
Block is mounted on the last vertical pipeline of row's rain pipeline.
As shown in fig. 6, the present embodiment also provides a kind of wiper control method, comprising steps of
Raindrop image on the glass of shooting setting area；
Single raindrop mask, raindrop quantity, the raindrop gross area on present image are calculated according to the image of shooting；
It determines that wiper blows rain frequency according to calculated result, specifically includes: if raindrop quantity is more than or equal to the first setting value
And the raindrop gross area then controls wiper progress first frequency and blows rain less than the second setting value；If the raindrop gross area is more than or equal to
Second setting value then controls wiper progress second frequency and blows rain, wherein the first frequency is less than the second frequency.
The case where the present embodiment by detecting current rainfall the case where raindrop on shooting glass in real time determines wiper
The frequency for blowing rain is adjusted by the frequency that testing result blows rain to wiper in real time, without artificially being controlled, more
Intelligence and it will not influence driving.
Further, it further comprises the steps of: the light illuminating unit being arranged in row's rain runner and issues illumination, photo cell receives institute
It states illumination and detects received intensity of illumination,
Controller determines that wiper blows rain frequency according to the intensity of illumination that the photo cell detects, and specifically includes:
If intensity of illumination is more than or equal to the first intensity of illumination, controls wiper progress first frequency and blow rain, if illumination is strong
Degree is more than or equal to the second intensity of illumination less than the first intensity of illumination, then controls wiper progress second frequency and blow rain, if illumination is strong
Degree is more than or equal to third intensity of illumination less than the second intensity of illumination, then controls wiper progress third frequency and blow rain, if illumination is strong
Degree is less than third intensity of illumination, then controls the 4th frequency of wiper progress and blow rain；Wherein, the first frequency is less than described second
Frequency is less than the third frequency and is less than the 4th frequency.
Preferably, the present embodiment also provides the size of rainfall in detection row's rain runner, and wherein rainfall size is strong by illumination
The size of degree embodies, and determines rainfall by the rainfall size in row's rain runner, and two modes being capable of clearly current rain in real time
The case where amount, further adjusting wiper blow rain frequency, keep it more intelligent.
The present embodiment also specifically provides the step of determining wiper blows rain frequency, firstly, when rainfall is lesser, rain
Drop can be fallen on glass for vehicle window, will not be under convergence flow, therefore carry out rainfall really according to the quantity of raindrop on glass and size
It surely is more appropriate and intuitive, while the raindrop on glass for vehicle window will not be flowed out from row's rain runner at this time, not start rain
When curette, the case where arranging the presence that can not detect rainwater in rain runner, determine rainfall by the raindrop situation on glass for vehicle window,
Carry out first frequency and second frequency blows rain；When rainfall persistently becomes larger, the raindrop convergence on glass for vehicle window can automatic safety at this time
Under, shooting and monitoring the case where can not effectively representing rainfall of raindrop are carried out at this time, are needed through the light in row's rain runner
Feel intensity determine wherein rainwater number, further determine that the size cases of rainfall, further to wiper blow rain frequency into
Row control.Wiper works according to the 4th frequency in the maximum situation of rainfall in the present embodiment, and the 4th frequency is maximum
Frequency, in practice, the working frequency of wiper can not infinitely increase, because will affect safe driving in this way, windscreen wiper
Device maximum operation frequency is the 4th frequency.
The present embodiment is determined by the size of the rainfall of situation pair in glass photographs raindrop image and row's rain runner,
It can be adjusted in real time automatically according to the variation wiper of rainfall, realize that wiper meets the tune that different rain borders carries out intelligence
Section.
Above description is only the preferred embodiment of the application and the explanation to institute's application technology principle.Those skilled in the art
Member is it should be appreciated that invention scope involved in the application, however it is not limited to technology made of the specific combination of above-mentioned technical characteristic
Scheme, while should also cover in the case where not departing from the inventive concept, it is carried out by above-mentioned technical characteristic or its equivalent feature
Any combination and the other technical solutions formed.Such as features described above has similar function with (but being not limited to) disclosed herein
Can technical characteristic replaced mutually and the technical solution that is formed.
Claims (10)
1. a kind of control system for windscreen wiper, which is characterized in that the rain on glass including shooting module, for shooting setting area
Drip image；
Image processing module, for receiving the image of shooting module and calculating single raindrop area, raindrop number on present image
Amount, the raindrop gross area；
Controller, for determining that wiper blows rain frequency according to the calculated result.
2. control system for windscreen wiper according to claim 1, which is characterized in that described " to be determined according to the calculated result
Wiper blows rain frequency " if including: that raindrop quantity is more than or equal to the first setting value and the raindrop gross area less than the second setting value,
Control wiper carries out first frequency and blows rain；If the raindrop gross area is more than or equal to the second setting value, controls wiper and carry out the
Two frequencies blow rain, wherein the first frequency is less than the second frequency.
3. control system for windscreen wiper according to claim 1, which is characterized in that further include the light in the row's of being set to rain runner
According to unit and photo cell, the light illuminating unit and the photo cell are oppositely arranged, and the light illuminating unit is for issuing illumination；
The photo cell is used to receive the illumination that the light illuminating unit issues and detects received intensity of illumination；
The controller is configured as determining that wiper blows rain frequency according to the intensity of illumination that the photo cell detects.
4. control system for windscreen wiper as claimed in claim 3, which is characterized in that row's rain runner includes the first vertical pipe
Road, the first pipe are equipped with rainwater entrance and rainwater outlet, and the rainwater inlet is equipped with light illuminating unit, and the rainwater goes out
Photo cell is equipped at mouthful, the pipeline between the light illuminating unit and the photo cell is transparent flow passage.
5. control system for windscreen wiper as claimed in claim 4, which is characterized in that the first pipe is equipped with multiple rainwater and goes out
Mouthful, each rainwater outlet is connected in the first pipe by horizontally disposed pipeline, and each rainwater outlet connects
The pipeline connect is arranged in parallel.
6. control system for windscreen wiper described in claim 5, which is characterized in that row's rain runner is equipped at least four rainwater and goes out
Mouthful.
7. the described in any item control system for windscreen wiper of claim 3-6, which is characterized in that described " according to the photo cell
The intensity of illumination of detection determines that wiper blows rain frequency " specifically: if intensity of illumination is more than or equal to the first intensity of illumination, control
Wiper carries out first frequency and blows rain, if intensity of illumination is more than or equal to the second intensity of illumination less than the first intensity of illumination, controls
Wiper carries out second frequency and blows rain, if intensity of illumination is more than or equal to third intensity of illumination less than the second intensity of illumination, controls
Wiper carries out third frequency and blows rain, if intensity of illumination is less than third intensity of illumination, controls the 4th frequency of wiper progress and scrapes
Rain, wherein the first frequency is less than the second frequency and is less than the third frequency less than the 4th frequency.
8. control system for windscreen wiper of any of claims 1 or 2, which is characterized in that the shooting module is mounted on automotive front baffle
On wind glass.
9. a kind of any wiper control method of claim 1-8, which is characterized in that comprising steps of
Raindrop image on the glass of shooting setting area；
Single raindrop mask, raindrop quantity, the raindrop gross area on present image are calculated according to the image of shooting；
It determines that wiper blows rain frequency according to calculated result, specifically includes: if raindrop quantity is more than or equal to the first setting value and rain
The gross area is dripped less than the second setting value, then controls wiper progress first frequency and blow rain；If the raindrop gross area is more than or equal to second
Setting value then controls wiper progress second frequency and blows rain, wherein the first frequency is less than the second frequency.
10. wiper control method according to claim 9, which is characterized in that further comprise the steps of: setting in row's rain runner
In light illuminating unit issue illumination, photo cell receives the illumination and simultaneously detects received intensity of illumination,
Controller determines that wiper blows rain frequency according to the intensity of illumination that the photo cell detects, and specifically includes:
If intensity of illumination is more than or equal to the first intensity of illumination, controls wiper progress first frequency and blow rain, if intensity of illumination is big
In being equal to the second intensity of illumination less than the first intensity of illumination, then controls wiper progress second frequency and blow rain, if intensity of illumination is big
In being equal to third intensity of illumination less than the second intensity of illumination, then controls wiper progress third frequency and blow rain, if intensity of illumination is small
In third intensity of illumination, then controls the 4th frequency of wiper progress and blow rain；Wherein, the first frequency is less than the second frequency
It is less than the 4th frequency less than the third frequency.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910040621.5A CN109733331A (en) | 2019-01-16 | 2019-01-16 | Control system for windscreen wiper and control method |
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| CN201910040621.5A CN109733331A (en) | 2019-01-16 | 2019-01-16 | Control system for windscreen wiper and control method |
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| CN110562201A (en) * | 2019-09-19 | 2019-12-13 | 广州小鹏汽车科技有限公司 | Control method and control device for windscreen wiper and vehicle |
| CN110941192A (en) * | 2019-11-11 | 2020-03-31 | 母宗军 | Automatic plate state switching system |
| CN111016903A (en) * | 2019-12-30 | 2020-04-17 | 广州赛特智能科技有限公司 | System and method for guaranteeing driving safety of automatic driving vehicle in rainy days |
| CN114620007A (en) * | 2020-12-10 | 2022-06-14 | 北京汽车股份有限公司 | Wiper motor control method and device and vehicle |
| CN114670787A (en) * | 2022-03-07 | 2022-06-28 | 岚图汽车科技有限公司 | Vehicle, wiper control method and related equipment |
| CN114906095A (en) * | 2022-06-13 | 2022-08-16 | 上海源悦汽车电子股份有限公司 | A method and system for measuring light rainfall of automobiles |
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| CN111016903A (en) * | 2019-12-30 | 2020-04-17 | 广州赛特智能科技有限公司 | System and method for guaranteeing driving safety of automatic driving vehicle in rainy days |
| CN111016903B (en) * | 2019-12-30 | 2021-05-18 | 广州赛特智能科技有限公司 | System and method for guaranteeing driving safety of automatic driving vehicle in rainy days |
| CN114620007A (en) * | 2020-12-10 | 2022-06-14 | 北京汽车股份有限公司 | Wiper motor control method and device and vehicle |
| CN114620007B (en) * | 2020-12-10 | 2024-03-05 | 北京汽车股份有限公司 | Windscreen wiper motor control method and device and vehicle |
| CN114670787A (en) * | 2022-03-07 | 2022-06-28 | 岚图汽车科技有限公司 | Vehicle, wiper control method and related equipment |
| CN114670787B (en) * | 2022-03-07 | 2023-10-20 | 岚图汽车科技有限公司 | Control method of vehicle and windscreen wiper and related equipment |
| CN114906095A (en) * | 2022-06-13 | 2022-08-16 | 上海源悦汽车电子股份有限公司 | A method and system for measuring light rainfall of automobiles |
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Application publication date: 20190510 |