CN109552011A - The windshield and automobile of function are covered with rain, mist amount detection function and electronics - Google Patents
The windshield and automobile of function are covered with rain, mist amount detection function and electronics Download PDFInfo
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- CN109552011A CN109552011A CN201811301137.5A CN201811301137A CN109552011A CN 109552011 A CN109552011 A CN 109552011A CN 201811301137 A CN201811301137 A CN 201811301137A CN 109552011 A CN109552011 A CN 109552011A
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- transparency conducting
- layer
- rainfall
- conducting layer
- mist amount
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- 239000003595 mist Substances 0.000 title claims abstract description 100
- 238000001514 detection method Methods 0.000 title claims abstract description 33
- 239000011521 glass Substances 0.000 claims abstract description 76
- 239000004973 liquid crystal related substance Substances 0.000 claims abstract description 30
- 238000001556 precipitation Methods 0.000 claims description 39
- 238000005086 pumping Methods 0.000 claims description 20
- 230000005611 electricity Effects 0.000 claims description 11
- 239000004020 conductor Substances 0.000 claims description 10
- 239000003990 capacitor Substances 0.000 description 14
- 238000010586 diagram Methods 0.000 description 12
- 230000005684 electric field Effects 0.000 description 8
- 230000008859 change Effects 0.000 description 7
- 238000009413 insulation Methods 0.000 description 5
- 230000009471 action Effects 0.000 description 4
- 238000002845 discoloration Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 239000000243 solution Substances 0.000 description 4
- 239000004744 fabric Substances 0.000 description 3
- 206010039203 Road traffic accident Diseases 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 230000006698 induction Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000000737 periodic effect Effects 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- 206010057315 Daydreaming Diseases 0.000 description 1
- 238000004378 air conditioning Methods 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 239000010985 leather Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60J—WINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILAR DEVICES FOR VEHICLES; REMOVABLE EXTERNAL PROTECTIVE COVERINGS SPECIALLY ADAPTED FOR VEHICLES
- B60J1/00—Windows; Windscreens; Accessories therefor
- B60J1/02—Windows; Windscreens; Accessories therefor arranged at the vehicle front, e.g. structure of the glazing, mounting of the glazing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60J—WINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILAR DEVICES FOR VEHICLES; REMOVABLE EXTERNAL PROTECTIVE COVERINGS SPECIALLY ADAPTED FOR VEHICLES
- B60J3/00—Antiglare equipment associated with windows or windscreens; Sun visors for vehicles
- B60J3/04—Antiglare equipment associated with windows or windscreens; Sun visors for vehicles adjustable in transparency
-
- 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
- B60S1/0822—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 characterized by the arrangement or type of detection means
- B60S1/0825—Capacitive rain sensor
-
- 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
- B60S1/0822—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 characterized by the arrangement or type of detection means
- B60S1/0874—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 characterized by the arrangement or type of detection means characterized by the position of the sensor on the windshield
- B60S1/0877—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 characterized by the arrangement or type of detection means characterized by the position of the sensor on the windshield at least part of the sensor being positioned between layers of the windshield
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Automation & Control Theory (AREA)
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
Abstract
The present invention provides a kind of windshields that function is covered with rain, mist amount detection function and electronics, including glass outer plate and inner layer glass plate, at least provided with the first transparency conducting layer sensed for rainfall and for the second transparency conducting layer of mist amount sensing between layer glass plate, windshield includes electronics sunshade area, rainfall sensing unit and mist amount sensing unit；Liquid crystal layer conductive layer is equipped between corresponding two layers of the transparency conducting layer in electronics sunshade area, region corresponding to rainfall sensing unit is equipped at least three independent rainfall electrodes, region on conductive layer corresponding to mist amount sensing unit is equipped at least two independent mist amount electrodes, and the region that electronics sunshade area is corresponded on conductive layer is equipped with conductive region or the unitary conductive region of multiple mutually insulateds；Ambient light sensor is provided on windshield glass or instrument board.The present invention is by sharing same conductive layer for electronics curtain and capacitive touch sensors sensing electrode, to reduce cost.
Description
Technical field
The present invention relates to a kind of glass more particularly to a kind of wind that function is covered with rain, mist amount detection function and electronics
Keep off glass and the automobile containing the windshield.
Background technique
Windshield is arranged in the misty rain sensor of the rainfall and mist amount that are traditionally used on detection automobile wind shield glass
Inside, though this setup can measure rainfall on windshield and mist amount, this setup have the following deficiencies:
1. the electrode of traditional misty rain sensor is made of opaque material, thus is required the electrode of misty rain sensor
It is arranged at the certain position of windshield, any position on windshield cannot be set.This setup will lead to
Mist amount and the rainfall inaccuracy that misty rain sensor is measured, this is because rainfall and mist amount are discrete distribution on the windshield
, so that the misty rain sensor that the certain position of windshield is arranged in is likely to detect windshield in time
On misty rain so that the misty rain amount inaccuracy that traditional misty rain sensor detects, eventually leads to the Wiper system on automobile
It cannot be acted in time with demister system.
2. traditional misty rain sensor needs huge space requirement, and traditional by mist amount detection capacitor and rainfall inspection
Two electrodes for surveying capacitor are arranged at the set-up mode on glass and will affect the aesthetic measure of windshield, are unable to satisfy use
The vision requirement at family.
To solve the above-mentioned problems, application No. is 201780003059.8 patents of invention to disclose a kind of interior room and external
The composite glass that environment separates comprising interior glass plate, outer glass plate and middle layer with inner surface, by outer glass
The inner surface of glass plate is engaged with the outer surface of the interior glass plate Face to face, is used to examine at least one capacitor
Survey the capacitive sensor of moisture, the sensor electronics of the capacitor and the capacitance variations for being arranged for sensing capacitor
Connection, wherein capacitor has at least two to be formed by transparent conducting coating and capacitively coupled electrode.
Capacitor is arranged by the way that transparent conductive layer is arranged between layer glass plate, and on transparent conductive layer in the patent
The electrode of property sensor is to overcome drawbacks described above existing for traditional misty rain sensor.But there are still subordinate's defects for the patent:
When above-mentioned capacitive sensor detects the rainfall outside vehicle, interior fog can generate capacitive sensor dry
It disturbs, also, temperature, the electromagnetic change outside vehicle also can generate interference to capacitive sensor, so as to cause above-mentioned capacitive sensor
Device can not accurately detect the rainfall outside vehicle, and then capacitive sensor is caused accurate rainfall signal can not to be fed back to control
The controller control Wiper system of rain brush movement processed is correspondingly acted；Meanwhile it being detected in above-mentioned capacitive sensor interior
Mist amount when, the rainfall outside vehicle, interior temperature, electromagnetic change etc. will also result in interference to capacitive sensor, so as to cause
Above-mentioned capacitive sensor can not accurately detect fog-supplying amount, and then cause above-mentioned capacitive sensor can not be by accurate mist amount
Signal feeds back to control air-conditioner controller control air-conditioning demister system and is correspondingly acted.
Sunshading board is the common apparatus on automobile, and effect is to keep the sun off, prevent light is driving from direct irradiation
In the range of visibility of person, avoid due to sunlight it is too dazzling caused by the temporary dimness of vision, reduce traffic accident
Incidence.In addition sunshading board plays the role of reducing interior scorching hot in summer, and since the irradiation for blocking sunlight is also avoided that
Leather seat and instrument board are injured by ultraviolet light, while automotive sunshade panel can stop the sight of people to play increase privacy
The effect of property, can increase the safety coefficient of interior property.
Sunshading board on usual automobile needs manually, however is manually operated and is easy so that driver pays attention to when driving vehicle
Power dispersion, easily initiation traffic accident.
Up to now, in the car install sunshading board design proposed by many people, such as China application No. is
201120494127.5 utility model discloses a kind of sunshading board, is made of visor body portion and translucent barn door,
The sun visor body portion is equipped with incorporating section, and the opening portion composition more narrower than incorporating section, can be by adjusting half in incorporating section
The developed area of transparent barn door is to expand the shading range of sunshading board.
Application No. is 201210273779.5 utility models to disclose a kind of automotive sunshade panel, including sunshading board sheet for China
Body and visor bracket further include sunshading board circlip and circlip lid, and sun visor body is integrated injection plastic, on sun visor body
Equipped with the jack for installing visor bracket and the jump-ring slot for installing circlip, jack is located at below jump-ring slot and in circlip
Slot connection；Circlip is mounted in jump-ring slot, and circlip lid covers on circlip, and visor bracket is mounted in jack and supports with circlip
Touching is connected.The utility model simplifies the structure of sunshading board to the maximum extent, has not only met the requirement to keep the sun off, but also meet automobile
The requirement of collision also reduces the weight of ontology.
Application No. is 201120023647.8 utility model patents to disclose a kind of sunshading board for China, including by being set to
Rotating arm on Roof of vehicle is articulated with the sunshading board on Roof of vehicle, which is equipped with headlamp trigger circuit, the headlamp
It is sequentially connected in series on trigger circuit there are two microswitch is triggered, one is that the microswitch A being turned on is pushed by mirror cover, another
A is to rotate the microswitch B being turned on around rotating arm by sunshading board.The utility model effectively save vehicle power supply of energy disappears
Consumption；And actuation performance is stable, control precision is high.
However the sunshading board in utility model described above requires the manual operation of driver, driver is in driving process
In, it also needs to turn down sunshading board manually when if meeting strong illumination, it is absent minded when being easy to cause driving, so as to cause friendship
Interpreter's event.
China discloses a kind of auto electronic sunshading board application No. is CN201320174234.9 and hides equipped with this electronics
The vehicle of positive plate includes light-sensitive device, master controller and visor body.Light-sensitive device receives sunlight strength signal, light
Strong signal is converted into electric signal, is transmitted to master controller by conducting wire, master controller is by analyzing electric signal for processed telecommunications
Number output and controls its bright-dark degree to visor body.
Above-mentioned patent cannot achieve through the on and off of gesture control electronic sunshading board, and it is even more impossible to realize to pass through gesture
Control the extension of electronic sunshading board.
Therefore, research and develop it is a kind of precipitation rain fall sensor and fog amount sensor can be overcome to interfere with each other, and extraneous temperature can be excluded simultaneously
Degree, the glass of electromagnetic change interference are very necessary.
Summary of the invention
It is an object of the invention to overcome the deficiencies of the prior art and provide one kind to have rain, mist amount detection function and electronics
Cover the windshield of function.
A kind of windshield for covering function with rain, mist amount detection function and electronics of the invention, technical solution are as follows:
A kind of windshield for covering function with rain, mist amount detection function and electronics, including glass outer plate and internal layer
Glass plate, between the glass outer plate and inner layer glass plate at least provided with the first transparency conducting layer for being sensed for rainfall and
The second transparency conducting layer for mist amount sensing；It is characterized by: windshield includes electronics sunshade area, rainfall sensing unit and mist
Sensing unit is measured, is provided with liquid crystal layer between corresponding two layers of the transparency conducting layer in electronics sunshade area；On first transparency conducting layer
Region corresponding to rainfall sensing unit is provided at least three transparent rainfall detecting electrodes, and the transparent rainfall detecting electrode is formed
Rainfall capacitance sensor, the region that mist amount sensing unit is corresponded on the first transparency conducting layer is provided with first transparency electrode, described
Rainfall shielded layer of the first transparency electrode as the search coverage of mist amount capacitance sensor corresponds to electricity on the first transparency conducting layer
The region in sub- sunshade area is provided with unitary conductive region, common driver electrode and capacitor of the unitary conductive region as liquid crystal
The multiplexing electrode of the bucking electrode of formula touch sensor；Region on second transparency conducting layer corresponding to mist amount sensing unit is provided with
At least two independent transparent mist amount detection electrodes, the transparent mist amount detection electrode form mist amount capacitance sensor, and second thoroughly
Region on bright conductive layer corresponding to rainfall sensing unit is provided with second transparency electrode, and the second transparency electrode is as rainfall electricity
Hold the mist amount amount shielded layer of the search coverage of sensor, the region setting that electronics sunshade area is corresponded on the second transparency conducting layer is more
First conductive region of a mutually insulated, subregion driving electrodes and electricity of the first conductive region of multiple mutually insulateds as liquid crystal
The multiplexing electrode of the sensing electrode of appearance formula touch sensor.
Wherein, third transparency conducting layer, third transparency conducting layer are additionally provided between glass outer plate and inner layer glass plate
It is set between the first transparency conducting layer and glass outer plate；Correspond to the lead cloth of precipitation rain fall sensor on third transparency conducting layer
It sets region and is provided with third transparent electrode, rainfall screen of the third transparent electrode as the lead layout area of precipitation rain fall sensor
Cover layer.
Wherein, the 4th transparency conducting layer, the 4th transparency conducting layer are additionally provided between glass outer plate and inner layer glass plate
It is set between the second transparency conducting layer and inner layer glass plate；Region on 4th transparency conducting layer corresponding to electronics sunshade area is set
It is equipped with the second conductive region of multiple mutually insulateds, the second conductive region of the multiple mutually insulated is passed as capacitance touch
The sensing electrode of sensor.
Wherein, the mist amount amount shielded layer for being set to the search coverage of the rainfall capacitance sensor on the second transparency conducting layer is complete
All standing is set to the contact conductor region of the precipitation rain fall sensor on the first transparency conducting layer, is set on the first transparency conducting layer
The rainfall shielded layer of search coverage of mist amount capacitance sensor the mist amount that is set on the second transparency conducting layer be completely covered pass
The contact conductor region of sensor.
Wherein, the rainfall shielded layer for being set to the lead layout area of the precipitation rain fall sensor on third transparency conducting layer is complete
Cover the contact conductor region for the precipitation rain fall sensor being set on the first transparency conducting layer.
Wherein, the rainfall shielded layer of the search coverage of the mist amount capacitance sensor is grounded or connected to by analog switch
The pumping signal of fog amount sensor is grounded shielding or connects equivalent potential screen, the search coverage of the rainfall capacitance sensor
Mist amount amount shielded layer is grounded shielding or is connect by the pumping signal that analog switch is grounded or connected to precipitation rain fall sensor waits electricity
Bit mask.
Wherein, the rainfall shielded layer of the lead layout area of precipitation rain fall sensor is grounded or connected to rainfall by analog switch
The pumping signal of sensor is grounded shielding or connects equivalent potential screen.
Wherein, reversing switch is provided in circuit, liquid crystal and capacitive touch sensors pass through the reversing switch period
Property timesharing connect.
Wherein, the frequency of the pumping signal of the driving signal and capacitive touch sensors of liquid crystal and/or amplitude are different.
Implementation of the invention includes following technical effect:
1. the present invention uses transparent electrode, so that precipitation rain fall sensor, fog amount sensor, rainfall shielded layer and mist amount screen
The sight that layer does not block driver is covered, does not also interfere that other equipment are installed on windshield --- such as camera, radar.
2. in the present invention, the area of precipitation rain fall sensor and mist amount sensing induction areas is unrestricted, to improve rain
The performance of quantity sensor and fog amount sensor, especially because windshield temperature gradient distribution, therefore hazing all is from windscreen
Glass surrounding starts, and the present invention can make the electrode arrangement of demisting sensor in the mist eliminating zone of glass surrounding, to improve demisting
The sensitivity of sensor.
3. the electrode of the invention by the way that precipitation rain fall sensor is arranged on the first transparency conducting layer, while in the second electrically conducting transparent
Mist amount shielded layer is set on layer, so that the electric field line for the precipitation rain fall sensor being arranged on the first transparency conducting layer can be spread to outside
The outside of layer glass plate is detected with the rainfall outside to vehicle, and the mist amount shielded layer being arranged on the second transparency conducting layer makes rain
The electric field line of quantity sensor can not be diffused into the outside of inner layer glass plate, pass so as to avoid interior or interior from hazing to rainfall
Sensor has an impact；It transparent is led by the way that two electrodes of fog amount sensor are arranged on the second transparency conducting layer, while first
Rainfall shielded layer is set in electric layer, so that the electric field line for the fog amount sensor being arranged on the second transparency conducting layer can be spread to
The outside of inner layer glass plate is to detect interior mist amount, and the rainfall shielded layer being arranged on the first transparency conducting layer makes
The electric field line of fog amount sensor can not be diffused into the outside of glass outer plate, so as to avoid the rainwater outside vehicle from sensing mist amount
Device has an impact.
4. rainfall shielded layer is arranged by the region for corresponding to rainfall sensing unit on third transparency conducting layer, third is transparent
Rainfall shielded layer is set corresponding to the lead layout area of precipitation rain fall sensor on conductive layer, corresponds to nothing on the first transparency conducting layer
Amount go to be provided with mist amount shielded layer, thus the contact conductor of precipitation rain fall sensor and fog amount sensor is clipped in mist amount shielded layer and
Between rainfall shielded layer, so as to avoid falling into and remain in the rainwater of contact conductor layout area to precipitation rain fall sensor and mist
The interference of quantity sensor.
5. more by being provided on the corresponding at least one layer of transparency conducting layer in the electronic sunshading board region in front windshield
The conductive region of a mutually insulated, the conductive region of adjacent mutually insulated form the sensing electrode of capacitive touch sensors,
To form multiple capacitive touch sensors, whether the capacitance by detecting multiple capacitive touch sensors changes and becomes
Changing sequence can judge that whether needing to control photo chromic glass carries out discoloration and color change interval and discoloration direction, also, the present invention
The middle control that electronic sunshading board can be realized by following two mode: the first is manual control mode, that is, using gesture, it is virtual to do
Drop-down action control electronic sunshading board region becomes non-transparent state, can make electronics shading areas step by step with drop-down gesture is repeated
It extends downwardly, to adjust suitable sunshade area, uses gesture and do virtual pull-up action control electronic sunshading board region and become transparent
State；Second is automatic control mode, can perceive incident intensity and angle by being arranged on windshield glass or instrument desk
The ambient light sensor of degree, with the intensity and angle automatic control electronic sunshading board according to incident light.
Detailed description of the invention
Fig. 1 is a kind of windshield that function is covered with rain, mist amount detection function and electronics of the invention
Fig. 2 a is a kind of windshield that function is covered with rain, mist amount detection function and electronics of the invention comprising
Two layers of transparency conducting layer.
Fig. 2 b is the distribution of electrodes schematic diagram in Fig. 2 a of the invention on first transparency conducting layer.
Fig. 2 c is the distribution of electrodes schematic diagram in Fig. 2 a of the invention on second transparency conducting layer.
Fig. 3 a is a kind of windshield that function is covered with rain, mist amount detection function and electronics of the invention comprising
Three layers of transparency conducting layer.
Fig. 3 b is the distribution of electrodes schematic diagram in Fig. 3 a of the invention on first transparency conducting layer.
Fig. 3 c is the distribution of electrodes schematic diagram in Fig. 3 a of the invention on second transparency conducting layer.
Fig. 3 d is the distribution of electrodes schematic diagram in Fig. 3 a of the invention on third transparency conducting layer.
Fig. 4 a is a kind of windshield that function is covered with rain, mist amount detection function and electronics of the invention comprising
Four layers of transparency conducting layer.
Fig. 4 b is the distribution of electrodes schematic diagram in Fig. 4 a of the invention on first transparency conducting layer.
Fig. 4 c is the distribution of electrodes schematic diagram in Fig. 4 a of the invention on second transparency conducting layer.
Fig. 4 d is the distribution of electrodes schematic diagram in Fig. 4 a of the invention on third transparency conducting layer.
Fig. 4 e is the distribution of electrodes schematic diagram in Fig. 4 a of the invention on 4th transparency conducting layer.
Fig. 5 is that a kind of windshield for covering function with rain, mist amount detection function and electronics of the invention is multiple mutually
The circuit diagram of the conductive region of insulation.
Fig. 6 is a kind of electrode cloth of windshield that function is covered with rain, mist amount detection function and electronics of the invention
Set figure.
Fig. 7 is a kind of liquid crystal control of windshield that function is covered with rain, mist amount detection function and electronics of the invention
The circuit diagram that signal processed and capacitor pumping signal apply simultaneously.
Fig. 8 is a kind of liquid crystal control of windshield that function is covered with rain, mist amount detection function and electronics of the invention
The circuit diagram that signal processed and the timesharing of capacitor pumping signal apply.
Specific embodiment
The present invention is described in detail below in conjunction with embodiment and attached drawing, it should be pointed out that described reality
It applies example and is intended merely to facilitate the understanding of the present invention, and do not play any restriction effect to it.
Orientation described herein is for example to compare the convenience of attached drawing description and use up and down, composition pair
The restriction of protection scope.
As shown in Figure 1, a kind of windscreen glass for covering function with rain, mist amount detection function and electronics provided by the invention
Glass, including glass outer plate and inner layer glass plate, at least provided with for rain between the glass outer plate and inner layer glass plate
The first transparency conducting layer of sensing and the second transparency conducting layer for mist amount sensing are measured, windshield includes electronics sunshade area A,
Rainfall sensing unit B, mist amount sensing unit C；Liquid crystal layer is provided between corresponding two layers of the transparency conducting layer of electronics sunshade area A
17, the region on conductive layer corresponding to rainfall sensing unit B is provided at least three independent rainfall electrodes, the rainfall electrode shape
At rainfall capacitance sensor, the region on conductive layer corresponding to mist amount sensing unit C is provided at least two independent mist amount electrodes,
The mist amount electrode forms mist amount capacitance sensor, the region on conductive layer corresponding to electronics sunshade area A be provided with it is multiple mutually
The conductive region of insulation or unitary conductive region；Ambient light sensor is provided on the windshield glass or instrument board.This hair
It is bright to use transparent electrode, so that precipitation rain fall sensor, fog amount sensor, rainfall shielded layer and mist amount shielded layer are not blocked and are driven
The sight for the person of sailing also does not interfere to install other equipment on windshield --- such as camera, radar.Precipitation rain fall sensor and mist
The area of amount sensing induction areas is unrestricted, to improve the performance of precipitation rain fall sensor and fog amount sensor, especially
Due to windshield temperature gradient distribution, hazing all is since windshield surrounding, and the present invention can be such that demisting senses
The electrode arrangement of device is in the mist eliminating zone of glass surrounding, to improve the sensitivity of demisting sensor；By in front windshield
The conductive region of multiple mutually insulateds, adjacent phase are provided on the corresponding at least one layer of transparency conducting layer in electronic sunshading board region
The conductive region mutually to insulate forms the sensing electrode of capacitive touch sensors, so that multiple capacitive touch sensors are formed,
Whether the capacitance by detecting multiple capacitive touch sensors changes and order change can judge whether need to control
Photo chromic glass carries out discoloration and color change interval and discoloration direction；Also, electronics can be realized by following two mode in the present invention
The control of sunshading board: the first is manual control mode, that is, uses gesture and do the change of virtual drop-down action control electronic sunshading board region
At non-transparent state, electronics shading areas can be made to extend downwardly step by step with drop-down gesture is repeated, to adjust suitable sun face
Product uses gesture and does virtual pull-up action control electronic sunshading board region and become pellucidity；Second is automatic control mode, is passed through
Setting can perceive the ambient light sensor of incident intensity and angle on windshield glass or instrument desk, according to incident light
Intensity and angle automatically control electronic sunshading board.
Preferably, it as shown in Fig. 1,2a-2c, 3a-3c, 4a-4c, is provided between glass outer plate 1 and inner layer glass plate 2
The first transparency conducting layer 3 for rainfall sensing and the second transparency conducting layer 4 for mist amount sensing；Windshield includes electronics
Sunshade area, rainfall sensing unit and mist amount sensing unit；Region on first transparency conducting layer 3 corresponding to rainfall sensing unit A is provided with
At least three transparent rainfall detecting electrodes 6, the transparent rainfall detecting electrode 6 form rainfall capacitance sensor, and first transparent leads
Region in electric layer 3 corresponding to mist amount sensing unit B is provided with first transparency electrode 8, and the first transparency electrode 8 is as mist amount electricity
Hold the rainfall shielded layer of the search coverage of sensor, the region that electronics sunshade area C is corresponded on the first transparency conducting layer 3 is provided with
Unitary conductive region 11, the unitary conductive region 11 is as the common driver electrode of liquid crystal and the screen of capacitive touch sensors
Cover the multiplexing electrode of electrode；It is independent that region on second transparency conducting layer 4 corresponding to mist amount sensing unit B is provided at least two
Transparent mist amount detection electrode 7, the transparent mist amount detection electrode 7 form mist amount capacitance sensor, right on the second transparency conducting layer 4
The region of rainfall sensing unit A should be provided with second transparency electrode 9, the second transparency electrode 9 is used as rainfall capacitance sensor
Search coverage mist amount amount shielded layer, the region setting on the second transparency conducting layer 4 corresponding to electronics sunshade area C is multiple mutually
First conductive region 14 of insulation, subregion driving electrodes and capacitor of the first conductive region 14 of multiple mutually insulateds as liquid crystal
The multiplexing electrode of the sensing electrode of formula touch sensor.The present embodiment is by being arranged precipitation rain fall sensor on the first transparency conducting layer
Electrode, while on the second transparency conducting layer be arranged mist amount shielded layer, so as to which the rainfall on the first transparency conducting layer is arranged in
The electric field line of sensor can be spread to the outside of glass outer plate and be detected with the rainfall outside to vehicle, and be arranged second thoroughly
Mist amount shielded layer on bright conductive layer makes the electric field line of precipitation rain fall sensor that can not be diffused into the outside of inner layer glass plate, so as to
Interior or interior is avoided to haze and have an impact to precipitation rain fall sensor；By the way that fog amount sensor is arranged on the second transparency conducting layer
Two electrodes, while rainfall shielded layer is set on the first transparency conducting layer, so that the mist on the second transparency conducting layer is arranged in
The electric field line of quantity sensor can be spread to the outside of inner layer glass plate to detect to interior mist amount, and be arranged first
Rainfall shielded layer on transparency conducting layer makes the electric field line of fog amount sensor that can not be diffused into the outside of glass outer plate, so as to
Rainwater outside to avoid vehicle has an impact fog amount sensor；It is led by the way that monolith is arranged on the conductive layer close to glass outer plate
Electric region, the common driver electrode of liquid crystal and the bucking electrode of capacitive touch sensors are multiplexed the unitary conductive region, are leaning on
The conductive region of multiple mutually insulateds, the subregion driving electrodes and capacitive touch of liquid crystal are set on the conductive layer of nearly inner layer glass plate
The sensing electrode for touching sensor is multiplexed the conductive region of multiple mutually insulated, and the infrastructure cost is low, and electronics sunshade may be implemented
The single side control of plate.
As shown in Fig. 3 a, 3d, third transparency conducting layer 5 is additionally provided between glass outer plate 1 and inner layer glass plate 2, the
Three transparency conducting layers 5 are set between the first transparency conducting layer 3 and glass outer plate 1；Correspond to rainfall on third electrically conducting transparent 5
The lead layout area of sensor is provided with third transparent electrode 10, the drawing as precipitation rain fall sensor of third transparent electrode 10
The rainfall shielded layer of line layout area.The present embodiment passes through the lead cloth on third transparency conducting layer corresponding to precipitation rain fall sensor
It sets region and is provided with third transparent electrode, rainfall screen of the third transparent electrode as the lead layout area of precipitation rain fall sensor
Layer is covered, so as to avoid falling into and remain in interference of the rainwater of contact conductor region layout area to precipitation rain fall sensor；It is logical
It crosses and unitary conductive region is set on the conductive layer close to glass outer plate, the common driver electrode and capacitance touch of liquid crystal pass
The bucking electrode of sensor is multiplexed the unitary conductive region, and multiple mutually insulateds are arranged on the conductive layer close to inner layer glass plate
Conductive region, the subregion driving electrodes of liquid crystal and the sensing electrode of capacitive touch sensors are multiplexed leading for multiple mutually insulated
Electric region, the infrastructure cost is low, and the single side control of electronic sunshading board may be implemented.
As shown in Fig. 4 a, 4e, the 4th transparency conducting layer 15 is additionally provided between glass outer plate 1 and inner layer glass plate 2, the
Four transparency conducting layers 15 are set between the second transparency conducting layer 5 and inner layer glass plate 2；Correspond on 4th transparency conducting layer 15
The region of electronics sunshade area C is provided with the second conductive region 16 of multiple mutually insulateds, and the second of the multiple mutually insulated is led
Sensing electrode of the electric region 16 as capacitive touch sensors.The present embodiment on third transparency conducting layer by corresponding to rain
The lead layout area of quantity sensor is provided with third transparent electrode, lead of the third transparent electrode as precipitation rain fall sensor
The rainfall shielded layer of layout area, so as to avoid the rainwater for falling into and remaining in contact conductor layout area from sensing rainfall
The interference of device；By being respectively provided with the conductive region of multiple mutually insulateds, the knot on two conductive layers close to inner layer glass plate
Structure is at low cost, and the Two dimensional control of electronic sunshading board may be implemented.Wherein, the rainfall capacitor being set on the second transparency conducting layer 4
The electricity for the precipitation rain fall sensor being set on the first transparency conducting layer 3 is completely covered in the mist amount amount shielded layer of the search coverage of sensor
Setting is completely covered in the rainfall shielded layer of pole, the search coverage for the mist amount capacitance sensor being set on the first transparency conducting layer 3
In the electrode of the fog amount sensor on the second transparency conducting layer 4.
As shown in Figure 2 a, it is set to the rainfall screen of the lead layout area of the precipitation rain fall sensor on third transparency conducting layer 5
Cover the contact conductor regions that the precipitation rain fall sensor being set on the first transparency conducting layer is completely covered in layer.
As shown in Figure 3a, the second transparent insulation is provided between first transparency conducting layer 3 and the second transparency conducting layer 4
Layer 18.
As shown in fig. 4 a, the second transparent insulation is provided between first transparency conducting layer 3 and the second transparency conducting layer 4
Layer 18, is provided with the second transparent insulating layer 19 between second transparency conducting layer 4 and the 4th transparency conducting layer 15.
Wherein, the rainfall shielded layer of the search coverage of the mist amount capacitance sensor is grounded or connected to by analog switch
The pumping signal of fog amount sensor is grounded shielding or connects equivalent potential screen, the search coverage of the rainfall capacitance sensor
Mist amount amount shielded layer is grounded shielding or is connect by the pumping signal that analog switch is grounded or connected to precipitation rain fall sensor waits electricity
Bit mask.
Wherein, the rainfall shielded layer of the lead layout area of precipitation rain fall sensor is grounded or connected to rainfall by analog switch
The pumping signal of sensor is grounded shielding or connects equivalent potential screen.
It is controlled respectively as shown in figure 5, the conductive region of each mutually insulated can be switched by analog or digital, to realize
Transparent or opaque independent control is carried out to the different zones of liquid crystal layer.
As shown in fig. 6, adjacent mutually insulated conductive region forms multipair capacitive touch sensors electrode, for identification
It touches or operating space and the direction of gesture, the operating space and direction of foundation touch or gesture can control pair of electronics curtain
Answer region that transparent or opaque state is presented.
As shown in fig. 7, the driving signal of liquid crystal and the pumping signal of the capacitive touch sensors be applied to it is transparent
On the conductive region of mutually insulated on conductive layer, at this point, the driving signal of liquid crystal and the capacitive touch sensors swash
Frequency and/or the amplitude for encouraging signal are different.The present embodiment is by passing the driving signal of the liquid crystal and the capacitance touch
The frequency and/or amplitude difference of the pumping signal of sensor design, to avoid the driving signal and capacitive touch sensors of liquid crystal
Pumping signal between cross-interference issue.
As shown in figure 8, the driving signal of liquid crystal and the pumping signal of the capacitive touch sensors be applied to it is transparent
On the conductive region of mutually insulated on conductive layer, at this point, by the way that reversing switch, liquid crystal and capacitance touch are arranged in circuit
Sensor applies liquid crystal driving signal and capacitor pumping signal by the periodic timesharing of reversing switch.The present embodiment passes through in electricity
Reversing switch is set in road, liquid crystal driving signal and capacitor pumping signal are applied by the periodic timesharing of reversing switch, to keep away
Exempt from the cross-interference issue between the driving signal of liquid crystal and the pumping signal of capacitive touch sensors.
Another aspect of the present invention further relates to a kind of automobile, since improvement only relates to the glass on automobile wind shield glass,
And other component can be using the technology of comparative maturity in the prior art.So the application no longer to the other component of vehicle into
Row description.
Finally it should be noted that the above embodiments are merely illustrative of the technical solutions of the present invention, rather than the present invention is protected
The limitation of range is protected, although explaining in detail referring to preferred embodiment to the present invention, those skilled in the art are answered
Work as understanding, it can be with modification or equivalent replacement of the technical solution of the present invention are made, without departing from the reality of technical solution of the present invention
Matter and range.
Claims (10)
1. a kind of windshield for covering function with rain, mist amount detection function and electronics, including glass outer plate and internal layer glass
Glass plate, at least provided with the first transparency conducting layer sensed for rainfall and for mist between glass outer plate and inner layer glass plate
Measure the second transparency conducting layer of sensing；It is characterized by: windshield includes electronics sunshade area, rainfall sensing unit and mist amount sensing
Area is provided with liquid crystal layer between corresponding two layers of the transparency conducting layer in electronics sunshade area；Correspond on first transparency conducting layer
The region of rainfall sensing unit is provided at least three transparent rainfall detecting electrodes, and the transparent rainfall detecting electrode forms rainfall electricity
Hold sensor, the region that mist amount sensing unit is corresponded on the first transparency conducting layer is provided with first transparency electrode, and described first thoroughly
Rainfall shielded layer of the prescribed electrode as the search coverage of mist amount capacitance sensor corresponds to electronics sunshade on the first transparency conducting layer
The region in area is provided with unitary conductive region, common driver electrode and capacitance touch of the unitary conductive region as liquid crystal
The multiplexing electrode of the bucking electrode of sensor；Region on second transparency conducting layer corresponding to mist amount sensing unit is provided at least two
A independent transparent mist amount detection electrode, the transparent mist amount detection electrode form mist amount capacitance sensor, the second electrically conducting transparent
Region on layer corresponding to rainfall sensing unit is provided with second transparency electrode, and the second transparency electrode is as rainfall capacitance sensing
The mist amount shielded layer of the search coverage of device, the region setting that electronics sunshade area is corresponded on the second transparency conducting layer are multiple mutually absolutely
First conductive region of edge, subregion driving electrodes and capacitance touch of the first conductive region of multiple mutually insulateds as liquid crystal
The multiplexing electrode of the sensing electrode of sensor.
2. a kind of windshield for covering function with rain, mist amount detection function and electronics according to claim 1, special
Sign is: third transparency conducting layer is additionally provided between glass outer plate and inner layer glass plate, third transparency conducting layer is set to
Between first transparency conducting layer and glass outer plate；Correspond to the lead layout area of precipitation rain fall sensor on third transparency conducting layer
It is provided with third transparent electrode, rainfall shielded layer of the third transparent electrode as the lead layout area of precipitation rain fall sensor.
3. a kind of windshield for covering function with rain, mist amount detection function and electronics according to claim 2, special
Sign is: the 4th transparency conducting layer is additionally provided between glass outer plate and inner layer glass plate, the 4th transparency conducting layer is set to
Between second transparency conducting layer and inner layer glass plate；Region on 4th transparency conducting layer corresponding to electronics sunshade area is provided with more
Second conductive region of a mutually insulated, the second conductive region of the multiple mutually insulated is as capacitive touch sensors
Sensing electrode.
4. a kind of windshield for covering function with rain, mist amount detection function and electronics according to claim 1, special
Sign is: the mist amount shielded layer of the search coverage for the rainfall capacitance sensor being set on the second transparency conducting layer, which is completely covered, to be set
It is placed in the contact conductor region of the precipitation rain fall sensor on the first transparency conducting layer, the mist amount electricity being set on the first transparency conducting layer
The electricity for the fog amount sensor being set on the second transparency conducting layer is completely covered in the rainfall shielded layer for holding the search coverage of sensor
Pole lead areas.
5. a kind of windshield that function is covered with rain, mist amount detection function and electronics according to claim 2 or 3,
It is characterized by: the rainfall shielded layer of the lead layout area for the precipitation rain fall sensor being set on third transparency conducting layer covers completely
Cover the contact conductor region for the precipitation rain fall sensor being set on the first transparency conducting layer.
6. a kind of windshield for covering function with rain, mist amount detection function and electronics according to claim 4, special
Sign is: the rainfall shielded layer of the search coverage of the mist amount capacitance sensor is grounded or connected to mist amount by analog switch and passes
The pumping signal of sensor is grounded shielding or connects equivalent potential screen, the mist amount screen of the search coverage of the rainfall capacitance sensor
Layer is covered to be grounded shielding by the pumping signal that analog switch is grounded or connected to precipitation rain fall sensor or connect equivalent potential screen.
7. a kind of windshield for covering function with rain, mist amount detection function and electronics according to claim 5, special
Sign is: the rainfall shielded layer of the lead layout area of precipitation rain fall sensor is grounded or connected to precipitation rain fall sensor by analog switch
Pumping signal be grounded shielding or connect equivalent potential screen.
8. a kind of windscreen for covering function with rain, mist amount detection function and electronics according to claim 1-4
Glass, it is characterised in that: the frequency and/or amplitude of the pumping signal of the driving signal and capacitive touch sensors of liquid crystal are not
Together.
9. a kind of windscreen for covering function with rain, mist amount detection function and electronics according to claim 1-4
Glass, it is characterised in that: be provided with reversing switch, liquid crystal and capacitive touch sensors in circuit and pass through the reversing switch week
The timesharing of phase property is connected.
10. a kind of automobile, which is characterized in that the automobile includes such as the described in any item windshields of claim 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811301137.5A CN109552011A (en) | 2018-11-02 | 2018-11-02 | The windshield and automobile of function are covered with rain, mist amount detection function and electronics |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811301137.5A CN109552011A (en) | 2018-11-02 | 2018-11-02 | The windshield and automobile of function are covered with rain, mist amount detection function and electronics |
Publications (1)
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|---|---|
| CN109552011A true CN109552011A (en) | 2019-04-02 |
Family
ID=65865829
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811301137.5A Pending CN109552011A (en) | 2018-11-02 | 2018-11-02 | The windshield and automobile of function are covered with rain, mist amount detection function and electronics |
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| CN (1) | CN109552011A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113786509A (en) * | 2021-08-31 | 2021-12-14 | 东风汽车集团股份有限公司 | Automatic in-vehicle space disinfection device and disinfection method |
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