CN109249783A - A kind of vehicle-mounted anti-distance light device and anti-distance light method - Google Patents
A kind of vehicle-mounted anti-distance light device and anti-distance light method Download PDFInfo
- Publication number
- CN109249783A CN109249783A CN201811399936.0A CN201811399936A CN109249783A CN 109249783 A CN109249783 A CN 109249783A CN 201811399936 A CN201811399936 A CN 201811399936A CN 109249783 A CN109249783 A CN 109249783A
- Authority
- CN
- China
- Prior art keywords
- light
- signal
- vehicle
- intensity
- front windshield
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000000034 method Methods 0.000 title claims abstract description 18
- 230000003287 optical effect Effects 0.000 claims abstract description 34
- 239000013078 crystal Substances 0.000 claims description 28
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 claims description 8
- 229910000147 aluminium phosphate Inorganic materials 0.000 claims description 4
- 239000002253 acid Substances 0.000 claims description 3
- 150000001412 amines Chemical class 0.000 claims description 3
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims 1
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 claims 1
- 229910052700 potassium Inorganic materials 0.000 claims 1
- 239000011591 potassium Substances 0.000 claims 1
- 206010039203 Road traffic accident Diseases 0.000 abstract description 2
- 230000000977 initiatory effect Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 6
- 230000005684 electric field Effects 0.000 description 4
- 230000005611 electricity Effects 0.000 description 4
- 239000011521 glass Substances 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 238000001514 detection method Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000003321 amplification Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 229910000402 monopotassium phosphate Inorganic materials 0.000 description 2
- 235000019796 monopotassium phosphate Nutrition 0.000 description 2
- 238000003199 nucleic acid amplification method Methods 0.000 description 2
- PJNZPQUBCPKICU-UHFFFAOYSA-N phosphoric acid;potassium Chemical compound [K].OP(O)(O)=O PJNZPQUBCPKICU-UHFFFAOYSA-N 0.000 description 2
- 241000937378 Everettia interior Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000006854 communication Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 239000008204 material by function Substances 0.000 description 1
- 230000005693 optoelectronics Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000001902 propagating effect Effects 0.000 description 1
- 238000011897 real-time detection Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
- 230000007480 spreading Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 201000009032 substance abuse Diseases 0.000 description 1
- 230000001052 transient effect Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Classifications
-
- 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
- B60J1/20—Accessories, e.g. wind deflectors, blinds
- B60J1/2011—Blinds; curtains or screens reducing heat or light intensity
- B60J1/2088—Lamellar or like blinds
-
- 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
- B60J3/007—Sunglare reduction by coatings, interposed foils in laminar windows, or permanent screens
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/03—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on ceramics or electro-optical crystals, e.g. exhibiting Pockels effect or Kerr effect
- G02F1/0305—Constructional arrangements
- G02F1/0316—Electrodes
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/03—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on ceramics or electro-optical crystals, e.g. exhibiting Pockels effect or Kerr effect
- G02F1/0327—Operation of the cell; Circuit arrangements
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/11—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on acousto-optical elements, e.g. using variable diffraction by sound or like mechanical waves
- G02F1/113—Circuit or control arrangements
Abstract
The invention discloses a kind of vehicle-mounted anti-distance light device and anti-distance light methods, the vehicle-mounted anti-distance light device includes optical sensor, light-deflection apparatus and controller, the wherein optical sensor, for sensing the intensity and output intensity signal that are incident on the light of front windshield；The controller exports defection signal to the light-deflection apparatus if the light intensity signal is more than the Intensity threshold for comparing the light intensity signal and pre-stored Intensity threshold；The light-deflection apparatus, for making the light intensity signal be less than the Intensity threshold according to the incident light of defection signal deflection.Embodiment provided by the invention can effectively avoid night when travelling meeting because opponent vehicle is using the vision blind spot of high beam initiation driver, and thus caused traffic accident, effectively improve traffic safety.
Description
Technical field
The present invention relates to technical field of automobile parts, more particularly to a kind of vehicle-mounted anti-distance light device and anti-distance light side
Method.
Background technique
Dazzle light is the luminaire that automobile needs when driving at night.But driver abuses or does not make by specification
With high beam, many hidden danger is brought to road safety, when the automobile and front vehicles meeting in night traveling, many drivers
High beam is not closed by specification and is switched to dipped headlight, and front vehicles driver or pedestrian is made to be led to vision by the irradiation of strong light
Blind spot seriously endangers road safety to cause traffic accident.
The shading type that existing anti-distance light device generallys use shutter carrys out stop portions light, also one while stopping light
Determining degree influences the transparency blocking driver's seat of windshield, and shutter is mostly monoblock type, stops front light
Also stop the light from other directions while line, driver can be allowed to be unable to fully judge ambient enviroment.
Summary of the invention
At least one to solve the above-mentioned problems, first aspect present invention provides a kind of vehicle-mounted anti-distance light device, including light
Sensor, light-deflection apparatus and controller are learned, wherein
The optical sensor, for sensing the intensity and output intensity signal that are incident on the light of front windshield；
The controller, for comparing the light intensity signal and pre-stored Intensity threshold, if the light intensity signal is more than
The Intensity threshold then exports defection signal to the light-deflection apparatus；
The light-deflection apparatus, for making the light intensity signal be less than institute according to the incident light of defection signal deflection
State Intensity threshold.
Further, the light-deflection apparatus is electro-optic deflector or acousto-optic deflection device.
Further, the electro-optic deflector includes
First transparency electrode plate, second transparency electrode plate and be located at the first transparency electrode plate and second transparency electrode plate
Between transparent electro-optic crystal.
Further, the acousto-optic deflection device includes
Transparent acousto-optic medium and transparent piezoelectric transducer；
And the light-deflection apparatus further includes frequency converter.
Further, the vehicle-mounted anti-distance light device is built in the corresponding front windshield of driver, or is attached to institute
It states on front windshield.
Further, the light-deflection apparatus is built in the corresponding front windshield of the driver, or is attached to institute
It states on front windshield.
Further, the optical sensor includes OPTICAL SENSORS and signal amplifier, and it is corresponding to be mounted on the driver
Front windshield outside；
The controller is built in the front windshield, is either mounted on the outside or interior of the front windshield
Side.
Further, the transparent electro-optic crystal be atmosphere potassium dihydrogen phosphate (DKDP), phosphoric acid dihydro amine (ADP), LN and
Button acid files one or more of (LT) crystal.
Second aspect of the present invention provides a kind of anti-distance light method, comprising:
Sensing is incident on the intensity and output intensity signal of the light of front windshield；
The light intensity signal and pre-stored Intensity threshold are compared, it is defeated if the light intensity signal is more than the Intensity threshold
Defection signal out；
According to defection signal deflection, incident light makes the light intensity signal be less than the Intensity threshold.
Further, it is incident in the sensing before the intensity of the light of front windshield and output intensity signal, it is described
Anti- distance light method further include:
Night running is judged whether it is, if then starting optical sensor.
Beneficial effects of the present invention are as follows:
The present invention is directed to the current existing vision blind spot problem for leading to driver because of distance light light irradiation, formulates a kind of vehicle
Anti- distance light device is carried, by the light intensity of the corresponding front windshield incident ray of detection driver, controls light-deflection apparatus
Incident light is deflected, so that the corresponding incident ray of position of driver is deflected, to prevent the light of high beam to be emitted directly toward
In the eye of driver, to compensate for the problems of the prior art, traffic safety is effectively improved.
Detailed description of the invention
Specific embodiments of the present invention will be described in further detail with reference to the accompanying drawing.
Fig. 1 shows the scene framework schematic diagram of vehicle-mounted anti-distance light device described in one embodiment of the present of invention；
Fig. 2 shows the structural block diagrams of vehicle-mounted anti-distance light device described in one embodiment of the present of invention；
Fig. 3 shows the structural block diagram of electro-optic deflector described in one embodiment of the present of invention；
Fig. 4 shows the schematic diagram of electro-optic deflector described in one embodiment of the present of invention；
Fig. 5 shows the schematic diagram of the variations in refractive index of electro-optic crystal described in one embodiment of the present of invention；
Fig. 6 shows the structural block diagram of acousto-optic deflection device described in one embodiment of the present of invention；
Fig. 7 shows the flow chart of anti-distance light method described in one embodiment of the present of invention.
Specific embodiment
In order to illustrate more clearly of the present invention, the present invention is done further below with reference to preferred embodiments and drawings
It is bright.Similar component is indicated in attached drawing with identical appended drawing reference.It will be appreciated by those skilled in the art that institute is specific below
The content of description is illustrative and be not restrictive, and should not be limited the scope of the invention with this.
As shown in Figure 1, when driving at night, when other side Lai Che farther out from our vehicle when, the light of other side's high beam
Line is approximately perpendicular to front windshield direct projection and enters in driver's eye, and the light injected in driver's eye will not cause shadow to driver
It rings.As opponent vehicle is more and more closer from our vehicle, the light of other side's high beam and our angle of front windshield are gradually
Increase: when apart from remote, light is gradually decreased perpendicular to windshield side's upward component, injects the light in driver's eye
Component is also reduced therewith；When apart from close, lost in light communication process it is less, light intensity increase, then inject driver eye in
Light component is consequently increased, therefore assumes there is a certain critical angle value A, during light is from vertical windshield to angle A,
The light injected in driver's eye gradually increases, and reaches maximum when A at angle, then persistently reduces after angle crosses angle A.
In view of the above problems, as shown in Fig. 2, An embodiment provides a kind of vehicle-mounted anti-distance light dresses
It sets, including optical sensor, light-deflection apparatus and controller, wherein the optical sensor, is incident on front windshield for sensing
The intensity and output intensity signal of the light of glass；The controller, for comparing the light intensity signal and pre-stored light intensity threshold
Value exports defection signal to the light-deflection apparatus if the light intensity signal is more than the Intensity threshold；The light deflection dress
It sets, for making the light intensity signal be less than the Intensity threshold according to the incident light of defection signal deflection.
In a specific example, when vehicle travel at night, in the driver position relative to copilot station side
It sets and vehicle-mounted anti-distance light device, when there is running car in the other side lane of travel, other side is installed on corresponding preceding windshield
The light of the high beam of vehicle is irradiated on the vehicle, and the light injects front windshield.The vehicle-mounted anti-distance light device
Optical sensor sensing incident light signal, the detection incident optical signal light intensity and be converted to electric signal output intensity
Signal is to controller.Further, the optical sensor includes OPTICAL SENSORS and signal amplifier, and OPTICAL SENSORS is for sensing
Optical signal is simultaneously converted to electric signal, since the electric signal amplitude of OPTICAL SENSORS output is smaller, at convenient for subsequent signal
It manages, in the output end connection signal amplifier of OPTICAL SENSORS in the present embodiment, the light intensity signal is amplified and is transmitted to
Controller.The light intensity signal is compared the controller with pre-stored Intensity threshold, if the light intensity signal is less than
The Intensity threshold then thinks that the incident ray does not need to be deflected, and the controller does not export defection signal, the light
It learns sensor and senses the incident optical signal in real time；The incident light is thought if the light intensity signal is more than the Intensity threshold
Line needs to carry out deflection processing.The controller is calculated according to the light intensity signal and to export defection signal inclined to the light
Rotary device, so that the light-deflection apparatus is deflected according to light of the defection signal to the incidence to reduce to be incident on and drive
The light intensity of light in the person's of sailing eye, i.e., be deflected to the range that driver's human eye can be born for the light of the incidence, in other words
It says, so that the light intensity signal of the light exported from the light-deflection apparatus is less than the Intensity threshold.It is worth noting that the light
Strong threshold value can many experiments count according to average threshold be stored in advance in the controller, can also be according to driving
The person's of sailing own situation is tested to obtain the Intensity threshold being customized for driver personal and be stored in the controller
In, those skilled in the art should be configured according to actual needs, and details are not described herein.
In a preferred embodiment, the light-deflection apparatus is electro-optic deflector or acousto-optic deflection device.
As shown in Figure 3 and Figure 4, the electro-optic deflector includes first transparency electrode plate, second transparency electrode plate and is located at
Transparent electro-optic crystal between the first transparency electrode plate and second transparency electrode plate.Control the first transparency electrode plate and
The voltage loaded on second transparency electrode plate can control the refractive index of the transparent electro-optic crystal, to control incident ray
Deflection.The controller is stored with the refractive index of the transparent electro-optic crystal and loads in the first transparency electrode plate and second
The corresponding relationship of the voltage of transparent electrode plate, and the defection signal is calculated to control the transparent electricity according to the corresponding relationship
The refractive index of luminescent crystal.As described electro-optic deflector deflects incident ray, and light is prevented to be emitted directly toward driver's
In eye, it was not only able to achieve the function of anti-distance light, but also will not influence driver's seat and the observation to other orientation ambient enviroments.
As shown in figure 5, electro-optic crystal is a kind of optical functional materials with electrooptic effect, it is based on electrooptic effect, outside
The refractive index of the Electrooptic crystal material changes under power-up field action.The electrooptic effect as shown by the following formula, n=n0
+aE0+bE0 2, wherein n0Not load electric field E0When material initial index of refraction, be considered as 1 in the present embodiment, a, b are constant.Root
According to linear electro-optic effect or Pu Keersi (Pockels) effect it is found that Section 2 aE in the formula0It is linear relationship with n；It is public
Section 3 in formula is quadratic electro-optical effect, also referred to as Ke Er (Kerr) electrooptic effect.It can be seen that the folding of the electro-optic crystal
Rate and load are penetrated in the voltage value direct proportionality of the first electrode plate and second electrode plate, that is, increases load in electric light crystalline substance
The voltage of body two sides then the electro-optic crystal refractive index increase, the refractive index of the electro-optic crystal is by n0Variation is n1, again change
For n2, increase with voltage and increase.So apply voltage to electro-optic crystal and change the refractive index of the electro-optic crystal, then it is described enter
Penetrating light and injecting electro-optic crystal generation and reflect causes the light intensity injected in driver to reduce to avoid when meeting at night pairs
Influence of the square high beam to driver, to effectively improve traffic safety.It is worth noting that the incident ray not office
It is limited to the light that the high beam an of automobile issues, the light being incident on front windshield that can be issued for multiple light sources.
Further, the transparent electro-optic crystal be atmosphere potassium dihydrogen phosphate (DKDP), phosphoric acid dihydro amine (ADP), LN and
Button acid files one or more of (LT) crystal.The present invention is without limitation, is to set with refractive index of the satisfaction to incident ray
Count criterion.
Specifically in the scene structure described in Fig. 1, the current incident ray of optical sensor real-time detection and output intensity letter
Number L (t) is transmitted to controller through signal amplifier amplification, and the controller is by the light intensity signal L (t) and pre-stored people
The Intensity threshold that eye can be born is compared and exports defection signal according to comparison result.If the light intensity signal L (t) is more than light
Strong threshold value, then controller is issued to electro-optic deflector and is instructed, in the first transparency electrode plate of electro-optic deflector and the second transparent electricity
On-load voltage E (t)=F (L (t)) on pole plate, wherein F (x) should be the relation function of voltage and light intensity signal, and specific function can be with
It is obtained according to actual experiment measuring and calculation, electro-optic deflector is in the defection signal for receiving controller and is loaded upper voltage E (t)
Afterwards, under the electric field action of two sides electrode plate, refractive index changes transparent electro-optic crystal, refractive index n (t)=f (E (t)), f
It (x) is the relation function of electric field and refractive index, n=n0+aE+bE2, wherein n0The material of transparent electro-optic crystal when not load electric field E
Expect initial index of refraction, a, b are constant, and refractive index is from n0N is increased to, the strong light of distance light for injecting driver's eyes is made to deflect；
It is such as less than Intensity threshold, then controller does not send defection signal, first transparency electrode in electro-optic deflector to electro-optic deflector
Without on-load voltage on plate and second transparency electrode plate, the refractive index of transparent electro-optic crystal is unchanged, incident ray normally inject and
It does not deflect.
In practical driving procedure, when other side Lai Che is more and more closer with a distance from us, as shown in Figure 1, when incident ray
During angle is from plumbness to B2, optical sensor senses the light intensity signal and is sent to the controller, controls
Device judges that the light intensity signal can not then deflect incident ray for human eye when tolerance range, does not export defection signal.When
For the angle of incident ray from B2 into A transient process, controller judges that the light intensity signal alreadys exceed human eye can tolerance range
Constantly, then controller sends the first transparency electrode plate of defection signal control electro-optic deflector and second transparency electrode plate loads electricity
Pressure makes the refractive index of transparent electro-optic crystal change to realize the function of light deflection, i.e., cuts incident ray deflection
The weak light intensity into driver's seat, and during from B2 to A, the light intensity signal that optical sensor senses
It gradually increases, the controller is gradually increased the voltage on two electrode plates of electro-optic deflector according to the light intensity signal, makes electricity
The refractive index of luminescent crystal, which further increases, makes light deflection greater angle, maintains and guarantees that the light entered in driver's seat is strong
Degree remains unchanged, to realize the function of anti-distance light.During the transition from A to B1, the light intensity letter of optical sensor sensing
Number be gradually reduced but still in the range of human eye cannot be born, then controller still send defection signal incident ray is carried out it is inclined
Turn, therefore throw away and continue to apply voltage to two electrode plates of electro-optic deflector, maintain and guarantees that the light entered in driver's seat is strong
Degree remains unchanged, but because the voltage value that light intensity signal is gradually reduced therefore applies also is gradually reduced therewith, i.e., electro-optic crystal is rolled over
It penetrates rate reduction and light deflection angle accordingly reduces.After the angle of incident ray reaches B1, the light of optical sensor sensing
When strong signal has been lowered to human eye tolerance interval, the controller judgement no longer needs to handle incident ray, then no longer
Defection signal is sent, then the voltage on the two of the electro-optic deflector electrode plate is zero, and electro-optic crystal is made to restore initial refractive
Rate, light normally inject driver's seat.
In another preferred embodiment, as shown in fig. 6, the acousto-optic deflection device includes transparent acousto-optic medium and transparent
PZT (piezoelectric transducer)；And the light-deflection apparatus further includes frequency converter.The high beam of different light sources, such as laser are made
For the high beam of light source, the present embodiment is handled incident ray using acousto-optic deflection device.The acousto-optic deflection device is based on sound
Principle of probe beam deflection changes the frequency of electric signal of the load on PZT (piezoelectric transducer), and spreading out of propagating in the acousto-optic medium can be changed
Penetrate the angle of light.Therefore, the angle that the diffraction light is stored in the frequency converter is changed with load in the transparent piezoelectric
The corresponding relationship of the frequency of the electric signal of energy device, the defection signal for exporting controller, which is converted to, is suitable for load described
The electrical signal of the frequency of bright PZT (piezoelectric transducer), to control the angle of the diffraction light.As described acousto-optic deflection device is to incident light
Line is deflected, and light is prevented to be emitted directly toward in the eye of driver, has not only been able to achieve the function of anti-distance light, but also will not influence driver
The visual field and observation to other orientation ambient enviroments.
In another preferred embodiment, the vehicle-mounted anti-distance light device is built in the corresponding front windshield glass of driver
Glass, or be attached on the front windshield.Only the corresponding incident ray of position of driver is deflected, specifically,
The anti-distance light device can be both built in the front windshield of automobile in automobile manufacturing process；It can also be made as flexibility
Structure is installed in the later period, such as is attached at the windscreen surface.
In another preferred embodiment, the vehicle-mounted anti-distance light device is split type, built in the light-deflection apparatus
In the corresponding front windshield of the driver, or it is attached on the front windshield.The light-deflection apparatus both can be with
It is built in the front windshield in automobile manufacturing process, flexible structure can also be made as and installed in the later period, such as
It is attached on the front windshield.Further, for better sensing incident light line, including OPTICAL SENSORS and signal amplification
The optical sensor of device may be mounted at the outside of the corresponding front windshield of driver.The controller can be built in described
Front windshield may be mounted at outside (i.e. outside vehicle) or inside (i.e. interior) of the front windshield, also can connect
Receive light intensity signal, transmission defection signal is design criteria.
Corresponding with vehicle-mounted anti-distance light device provided by the above embodiment, one embodiment of the present of invention also provides a kind of benefit
With the anti-distance light method of above-mentioned vehicle-mounted anti-distance light device, due to anti-distance light method provided by the embodiments of the present application and above-mentioned several realities
The vehicle-mounted anti-distance light device for applying example offer is corresponding, therefore is also applied for anti-distance light provided in this embodiment in aforementioned embodiments
Method is not described in detail in the present embodiment.
As shown in fig. 7, one embodiment of the present of invention also provides a kind of anti-distance light method, comprising: sensing is incident on front
The intensity and output intensity signal of the light of wind glass；The light intensity signal and pre-stored Intensity threshold are compared, if the light intensity
Signal is more than that the Intensity threshold then exports defection signal；According to defection signal deflection, incident light believes the light intensity
Number be less than the Intensity threshold.
In a preferred embodiment, incident in the sensing to reduce consumption of the anti-distance light device to electric energy
To before the intensity of the light of front windshield and output intensity signal, the anti-distance light method further include: judge whether it is night
Traveling, if then starting optical sensor.I.e. when vehicle daytime when driving, the anti-distance light device is in close state, institute
Optical sensor is stated not work.It is wherein described to judge whether it is that night running there are many embodiments, such as in controller
It is upper connection one switch, when for night running or enter tunnel when driving by driver manual operation start optical sensor；Again
Such as in photosensitive sensor built in controller, the light condition of local environment is judged according to photosensitive sensor, according to judging result
Automatic starting optical sensor, the present invention is without limitation, and those skilled in the art should carry out according to practical application scene
Design.
The present invention is directed to the current existing vision blind spot problem for leading to driver because of distance light light irradiation, formulates a kind of vehicle
Anti- distance light device is carried, by the light intensity of the corresponding front windshield incident ray of detection driver, controls light-deflection apparatus
Incident light is deflected, so that the corresponding incident ray of position of driver is deflected, to prevent the light of high beam to be emitted directly toward
In the eye of driver, to compensate for the problems of the prior art, traffic safety is effectively improved.
Obviously, the above embodiment of the present invention be only to clearly illustrate example of the present invention, and not be pair
The restriction of embodiments of the present invention may be used also on the basis of the above description for those of ordinary skill in the art
To make other variations or changes in different ways, all embodiments can not be exhaustive here, it is all to belong to this hair
The obvious changes or variations that bright technical solution is extended out are still in the scope of protection of the present invention.
Claims (10)
1. a kind of vehicle-mounted anti-distance light device, which is characterized in that including optical sensor, light-deflection apparatus and controller, wherein
The optical sensor, for sensing the intensity and output intensity signal that are incident on the light of front windshield；
The controller, for comparing the light intensity signal and pre-stored Intensity threshold, if the light intensity signal is more than described
Intensity threshold then exports defection signal to the light-deflection apparatus；
The light-deflection apparatus, for making the light intensity signal be less than the light according to the incident light of defection signal deflection
Strong threshold value.
2. vehicle-mounted anti-distance light device according to claim 1, which is characterized in that the light-deflection apparatus is electro-optic deflector
Or acousto-optic deflection device.
3. vehicle-mounted anti-distance light device according to claim 2, which is characterized in that the electro-optic deflector includes
First transparency electrode plate, second transparency electrode plate and between the first transparency electrode plate and second transparency electrode plate
Transparent electro-optic crystal.
4. vehicle-mounted anti-distance light device according to claim 2, which is characterized in that the acousto-optic deflection device includes
Transparent acousto-optic medium and transparent piezoelectric transducer；
And the light-deflection apparatus further includes frequency converter.
5. vehicle-mounted anti-distance light device according to claim 3 or 4, which is characterized in that built in the vehicle-mounted anti-distance light device
In the corresponding front windshield of driver, or it is attached on the front windshield.
6. vehicle-mounted anti-distance light device according to claim 3 or 4, which is characterized in that the light-deflection apparatus is built in institute
The corresponding front windshield of driver is stated, or is attached on the front windshield.
7. vehicle-mounted anti-distance light device according to claim 6, which is characterized in that the optical sensor includes OPTICAL SENSORS
And signal amplifier, it is mounted on the outside of the corresponding front windshield of the driver；
The controller is built in the front windshield, is either mounted on the outside or inside of the front windshield.
8. vehicle-mounted anti-distance light device according to claim 3, which is characterized in that the transparent electro-optic crystal is atmosphere phosphoric acid
One or more of potassium dihydrogen (DKDP), phosphoric acid dihydro amine (ADP), LN and button acid file (LT) crystal.
9. a kind of anti-distance light method characterized by comprising
Sensing is incident on the intensity and output intensity signal of the light of front windshield；
The light intensity signal and pre-stored Intensity threshold are compared, is exported if the light intensity signal is more than the Intensity threshold inclined
Rotaring signal；
According to defection signal deflection, incident light makes the light intensity signal be less than the Intensity threshold.
10. anti-distance light method according to claim 9, which is characterized in that be incident on front windshield in the sensing
Before the intensity and output intensity signal of light, the anti-distance light method further include:
Night running is judged whether it is, if then starting optical sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811399936.0A CN109249783A (en) | 2018-11-22 | 2018-11-22 | A kind of vehicle-mounted anti-distance light device and anti-distance light method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811399936.0A CN109249783A (en) | 2018-11-22 | 2018-11-22 | A kind of vehicle-mounted anti-distance light device and anti-distance light method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109249783A true CN109249783A (en) | 2019-01-22 |
Family
ID=65042157
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811399936.0A Pending CN109249783A (en) | 2018-11-22 | 2018-11-22 | A kind of vehicle-mounted anti-distance light device and anti-distance light method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109249783A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113059986A (en) * | 2021-02-26 | 2021-07-02 | 精电(河源)显示技术有限公司 | High on-vehicle sunshade screen device that passes through of intelligence |
| CN117289496A (en) * | 2023-11-21 | 2023-12-26 | 武汉光谷航天三江激光产业技术研究院有限公司 | High-precision laser beam scanning device based on electro-optic crystal and use method |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1376941A (en) * | 2001-03-22 | 2002-10-30 | 松下电工株式会社 | Polarization device with optical crystal and use of optical switch and polarization method |
| JP2007147939A (en) * | 2005-11-28 | 2007-06-14 | Sony Corp | Front projection screen and on-board projector system |
| DE202005021792U1 (en) * | 2005-10-18 | 2010-04-15 | Freeglass Gmbh & Co. Kg | Vehicle side window with viewing angle steering |
| CN103786552A (en) * | 2014-02-12 | 2014-05-14 | 浙江吉利控股集团有限公司 | Automatic anti-dazzling method of automobile and windshield device |
| CN105857032A (en) * | 2016-05-17 | 2016-08-17 | 京东方科技集团股份有限公司 | Anti-dazzle system and automobile |
| CN205468446U (en) * | 2015-12-24 | 2016-08-17 | 比亚迪股份有限公司 | A device and vehicle for assisting drive |
-
2018
- 2018-11-22 CN CN201811399936.0A patent/CN109249783A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1376941A (en) * | 2001-03-22 | 2002-10-30 | 松下电工株式会社 | Polarization device with optical crystal and use of optical switch and polarization method |
| DE202005021792U1 (en) * | 2005-10-18 | 2010-04-15 | Freeglass Gmbh & Co. Kg | Vehicle side window with viewing angle steering |
| JP2007147939A (en) * | 2005-11-28 | 2007-06-14 | Sony Corp | Front projection screen and on-board projector system |
| CN103786552A (en) * | 2014-02-12 | 2014-05-14 | 浙江吉利控股集团有限公司 | Automatic anti-dazzling method of automobile and windshield device |
| CN205468446U (en) * | 2015-12-24 | 2016-08-17 | 比亚迪股份有限公司 | A device and vehicle for assisting drive |
| CN105857032A (en) * | 2016-05-17 | 2016-08-17 | 京东方科技集团股份有限公司 | Anti-dazzle system and automobile |
Non-Patent Citations (1)
| Title |
|---|
| 孙圣和，王廷云，徐颖: "《光纤测量与传感技术》", 31 January 2000, 哈尔滨工业大学出版社 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113059986A (en) * | 2021-02-26 | 2021-07-02 | 精电(河源)显示技术有限公司 | High on-vehicle sunshade screen device that passes through of intelligence |
| CN117289496A (en) * | 2023-11-21 | 2023-12-26 | 武汉光谷航天三江激光产业技术研究院有限公司 | High-precision laser beam scanning device based on electro-optic crystal and use method |
| CN117289496B (en) * | 2023-11-21 | 2024-02-23 | 武汉光谷航天三江激光产业技术研究院有限公司 | High-precision laser beam scanning device based on electro-optic crystal and use method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109249783A (en) | A kind of vehicle-mounted anti-distance light device and anti-distance light method | |
| CN201484293U (en) | Electrochromic automobile rearview mirror | |
| CN106985640A (en) | Actively anti-glare method and automobile active anti-dazzle device | |
| CN103273826A (en) | Automatic anti-dazzling system of front windshield of car | |
| CN106994884A (en) | The anti-glare method and device of active based on OLED Display Techniques | |
| US20120019891A1 (en) | Window Having A Selective Light Modulation System | |
| CN108454358A (en) | A kind of anti-dazzle apparatus and its control method, vehicle | |
| CN105799574A (en) | Intelligent night driver-assistance system | |
| CN107487161B (en) | Intelligent vehicle sunshade curtain device | |
| CN206938400U (en) | Automobile active anti-dazzle device | |
| CN108162729A (en) | A kind of automobile anti-glare system and method | |
| CN105857032B (en) | A kind of anti-dazzle photosystem and automobile | |
| CN107054202A (en) | A kind of vehicles and its light control device, light control method | |
| CN201304883Y (en) | Automatic light-adjusting film for automobile glass | |
| CN205818882U (en) | Car visor assembly and vehicle | |
| CN109866581A (en) | The control system and front window of front window refractive index | |
| CN107813681A (en) | A kind of glass color changing method and device | |
| DE2158951A1 (en) | GLARE PROTECTION DEVICE FOR DRIVERS | |
| CN106004678B (en) | A kind of panel, Intelligent car rear view mirror and automobile | |
| CN210309868U (en) | Automobile windshield anti-dazzling device without affecting driver's visual field | |
| CN113009682A (en) | Dimming glass, dimming device, dimming panel and vehicle | |
| CN108665730A (en) | Rain and fog weather speed car is far from alarm set | |
| CN113299057B (en) | Traffic safety laser warning system | |
| CN108045302A (en) | It is a kind of can automobile-used dot matrix laser headlight control system and control method | |
| CN205989698U (en) | Antiglare equipment and rearview mirror |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190122 |
|
| RJ01 | Rejection of invention patent application after publication |