CN208248068U - A kind of driver's seat brightness coordinated control system for meeting at night - Google Patents
A kind of driver's seat brightness coordinated control system for meeting at night Download PDFInfo
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- CN208248068U CN208248068U CN201820467191.6U CN201820467191U CN208248068U CN 208248068 U CN208248068 U CN 208248068U CN 201820467191 U CN201820467191 U CN 201820467191U CN 208248068 U CN208248068 U CN 208248068U
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Abstract
The driver's seat brightness coordinated control system that the utility model relates to a kind of for meeting at night is made of control platform in onboard sensor subsystem, driver's pro-active intervention subsystem, system actuator, vehicle-mounted control subsystem, onboard wireless communication subsystem, local and GPS data transceiver subsystem.Control platform can carry out accurate meeting judgement in different region landform and lane shape in local, after both sides' vehicle is in meeting car state and either one vehicle opens high beam, coordinated control is then carried out according to field luminance index, both sides driver is set to obtain optimal field luminance when meeting at night, not by opponent vehicle high beam bring dazzling effect；It is demarcated under the factor difference air environment of driver's seat luminance index, weather conditions and visibility, there is good adaptability to the environment in meeting region；Driver does not feel like oneself at once to coordinated control result, itself field luminance can be adjusted.
Description
Technical field
The utility model belongs to vehicle and technical field of transportation, and in particular to a kind of driver's seat for meeting at night
Brightness coordinated control system.
Background technique
Meeting, the i.e. train of backward going, automobile etc. pass through in a certain ground dot interlace simultaneously.When meeting at night, high beam
Use great influence can be generated to the field luminance of driver, compared with dipped headlight, high beam light concentrate and brightness it is big,
Farther object can be shone, is had very great help to nighttime driving, but abusing high beam phenomenon is always China's Modern Traffic peace
Full major hidden danger.When facing front, human eye is most sensitive to the light within the scope of 30 ° of central field of vision；Other than 30 ° of central field of vision, people
Eye gradually decreases the sensitivity of light.When meeting at night, driver is often unconsciously seen to other side's distance light car light.Qiang Guang
Suddenly when irradiation eyes, driver's temporary blindness will lead to 3~5 seconds, what this had resulted in high beam dazzles the eyes problem.
It is very serious that the phenomenon that high beam, is abused in China at present, increases traffic accident odds.The Ministry of Public Security announces number
According to display, occur in the traffic accident at night within 2016, high beam is related accounts for 30%~40% with abuse.Although related
Department has worked out " law on road traffic safety implementing regulations " and has carried out the method that regulation high beam uses, but in fact this traffic ordinance
And the traffic accident of high beam initiation could not be effectively reduced.Therefore, there has been proposed some technical solutions to solve the problems, such as this.
Chinese patent CN103204098A discloses a kind of anti-glare dazzle light system and method for realization, it is intended that solves
Night meeting will close the problem of high beam causes road conditions not see, and driver is allowed to open high beam in night meeting, and
And driver can see road conditions, safe driving clearly.But this method does not account for the complicated landform in meeting region etc. to system
Influence caused by working effect.
Chinese patent CN206436903U discloses a kind of anti-high beam and dazzles the eyes alarm set, reminds the vehicle of head-on traveling
Driver close high beam, dim light traffic accident in time.But the device do not account in environmental factor and
Under the action of the factor of driver itself, driver may ignore the alerting signal that opponent vehicle is sent.
In conclusion the Harmonic Control of both sides' driver's seat brightness is still urgently to be resolved when meeting at night.Currently,
The communication technology, auto electronic control technology and car networking technology continue to develop, and the research of new material is also constantly progressive, as can with this
A kind of driver's seat brightness coordinated control system for meeting at night is researched and developed for breach, before will having a wide range of applications
Scape and market potential value.
Summary of the invention
The purpose of this utility model is that in view of the above shortcomings of the prior art, provides and a kind of drives for what is met at night
The person's of sailing field luminance coordinated control system, the system are used for when meeting at night, assist to the field luminance of both sides driver
Regulation system, enables both sides driver to obtain optimal field luminance, while not dizzy by the high beam bring of opponent vehicle
Mesh influences.
A kind of driver's seat brightness coordinated control system for meeting at night by onboard sensor subsystem, drives
Member's pro-active intervention subsystem, system actuator, vehicle-mounted control subsystem, onboard wireless communication subsystem, control is flat in local
Platform and GPS data transceiver subsystem composition；Wherein, the letter that onboard wireless communication subsystem acquires onboard sensor subsystem
Breath is sent to control platform in local, and the control instruction of control platform in local is sent to vehicle-mounted control subsystem；GPS
Data transmit-receive subsystem is for collecting data and being sent to control platform in local；Control platform is in meeting region in local
Control core, can carry out accurate meeting judgement in different region landform and lane shape, guarantee that system can be quasi-
Really response；When the information and GPS data transceiver subsystem that local internal control platform is acquired according to onboard sensor subsystem transmit
Information judge that both sides' vehicle is in and can then calculate both sides driver's view after car state and either one vehicle open high beam
Wild target luminance value, and according to the result of field luminance index value to vehicle-mounted control subsystem transfer control instruction come to system
Executing agency carry out coordinated control, so that both sides driver is obtained optimal field luminance when meeting at night, at the same not by
To opponent vehicle high beam bring dazzling effect；The factor difference air environment of driver's seat luminance index, different weather
It is demarcated in the case where situation and different visibility, therefore there is good adaptability to the environment in meeting region；Meanwhile
The utility model is to carry out coordinated control automatically to the brightness of both sides' driver's seat, and driver feels not coordinated control result
When adaptation, pro-active intervention subsystem can star to carry out active adjusting to itself field luminance.
The system actuator is made of LED high beam and multiple degrees of freedom car light deflection mechanism；Wherein, LED distance light
Lamp is configured with stepless dimming controller, and controller controls chip, Ke Yi using BP2838G constant-current driven chip and LXR211W
Stepless control is carried out to lamplight brightness under the regulation of vehicle-mounted control subsystem；Multiple degrees of freedom car light deflection mechanism is used in vehicle-mounted control
The deflection of any direction of light is realized under the control of subsystem.
Multiple degrees of freedom car light deflection mechanism is installed by high beam connected unit, button wheel set, spherical gear annular sleeve, button wheel set
Platform, electromagnetism push rod, Hooke's joint, inverter and its controller and vehicle power supply composition.Inverter and its controller by
Vehicle power supply is powered, and the exchange of inverter output supplies electricity to the power supply of electromagnetism push rod, and circuit control device is for controlling inverter
The phase of electric current is exported, and then realizes the reciprocating motion of electromagnetism push rod roofbolt；Electromagnetism push rod pushes the movement of spherical gear annular sleeve, ball
Gear annular cuff moves spherical gear secondary motion, and the multifreedom motion of LED high beam is completed by the constraint of button wheel set, real
Any variation of the deflection angle of existing high beam on spherical surface.
The high beam connected unit is made of preceding connecting platform, rear connecting platform and intermediate supports floor, wherein preceding company
Platform and distance light lamp base is connect to be connected by bolt；Button wheel set includes preceding spherical gear and rear spherical gear, to mitigate quality, plus
Work is intermeshed on the spherical surface of two gears at hollow hemispheric, the gear teeth, after forecourt gear plane and high beam connected unit
Connecting platform is connected by bolt, and rear spherical gear plane is connected onboard by spherical gear assistant installation table；Spherical gear annular sleeve is logical
It crosses before bolt is connected on spherical gear；Spherical gear annular sleeve edge machined three intervals, 120 ° of boss, on each boss
It is machined with gimbal base, Hooke's joint is connected in gimbal base by bolt.
Spherical gear assistant installation table is made of preceding mounting platform, rear mounting platform and intermediate supports floor, wherein preceding installation is flat
Platform is connected by bolt and rear spherical gear plane, and 9 bolts hole are machined on rear mounting platform, erecting bed is connected by bolt
Onboard, the universal joint mounting seat at 120 ° of interval there are three also being processed on rear mounting platform, with ten thousand in spherical gear annular sleeve
It is concentric to section mounting seat, Hooke's joint is connected in gimbal base by bolt；Electromagnetism push rod includes that electromagnetism pushes away
Bar roofbolt and its sleeve, share three groups, and each sleeve is respectively and the cross axle that is connected on the lower platform of spherical gear assistant installation table
Universal joint sleeve by bolt be connected, each electromagnetism push rod respectively and be fixed on the rear connecting platform of high beam connected unit ten
Word shaft universal-joint sleeve is connected by bolt, there is driving coil and mating iron core, reset spring, electromagnetism inside electromagnetism push rod housing
Push rod roofbolt is made of roofbolt body with the permanent magnet for being fixed on roofbolt body bottom, and reset spring is answered for realizing electromagnetism push rod
Position.
Driver's pro-active intervention subsystem includes mode, hand-operating light mode and dipped beam compensation mould with an automatic light meter
Formula can realize freely cutting between Three models respectively according to the self-demand of driver under the active operation of driver
It changes, hand-operating light mode and mode with an automatic light meter correspond to the dazzling state that driver experiences, for by the visual field of driver
Brightness dims；Dipped beam compensation model corresponds to the dim dark state that driver experiences, for lightening the field luminance of driver；
When driver's pro-active intervention subsystem is switched to hand-operating light mode, subsystem is realized under the manual operation of driver to certainly
The adjusting of body field luminance；When driver's pro-active intervention subsystem is switched to mode with an automatic light meter, subsystem is according to preset
Program regulates and controls the field luminance of driver；When driver's pro-active intervention subsystem is switched to dipped beam compensation model, son
System carries out illumination compensation to driver's seat brightness.
The respond module of manual mode and automatic mode is the electrochomeric glass being entrenched on vehicle front windshield glass.Hand
Dynamic light-modulating mode includes manual mode DC/DC buck converter, rotating potentiometer, manual mode indicator light, manual mode
DC/DC buck converter is used to be depressured Vehicular direct-current power supply and power to circuit, rotating potentiometer, manual mode
Indicator light and electrochomeric glass are connected in circuit, under the manual rotary operation of driver, the electricity of rotating potentiometer
Resistance can change, and then the end voltage of electrochomeric glass is caused to change, and the light transmittance of glass can also change therewith；
Mode with an automatic light meter include automatic mode DC/DC buck converter, intensity signal acquisition module, control chip and
Automatic mode indicator light, intensity signal acquisition module are the high precision photoelectric pond for being installed on vehicle front windshield glass edge, control
Chip is 80C51 single-chip microcontroller, and intensity signal acquisition module is connected with control chip, controls chip by vehicle power supply through automatic mode
The power supply of DC/DC buck converter, controls two pins in the control signal connection high precision photoelectric pond of chip, and output end connects
The upper and lower ends of electrochomeric glass are connect, for providing end voltage to electrochomeric glass, control chip according to preset program
The mapping relations between reasonable input signal and output signal are obtained, are obtained by the voltage that high precision photoelectric pond inputs corresponding
Output voltage, and then the light transmittance of glass is controlled, the high beam brightness value that driver is experienced controls in optimum range；
Dipped beam compensation model include compensation model DC/DC buck converter, compensation dipped headlight, compensation model indicator light and
Protective resistance compensates dipped headlight and protective resistance series connection, is dropped Vehicular direct-current power supply by compensation model DC/DC buck converter
It powers after pressure, compensation dipped headlight is low-power LED lamp, for compensating in limited range to driver's seat brightness, together
When interference is not generated to other side driver, and do not influence the operation of entire coordinated control system.
Mode with an automatic light meter and hand-operating light mode and dipped beam compensation model are self-locking by six gears being installed on steering wheel
Type rotary switch carrys out the switching between implementation pattern, the counter clockwise direction of six gear self-locking type rotary switches be respectively 1 neutral gear, 2 from
Dynamic light-modulating mode gear, 3 neutral gears, 4 hand-operating light modes gear, 5 neutral gears, 6 dipped beam compensation models gear；The automatic mode instruction
Lamp, manual mode indicator light and compensation model indicator light are low-power LED light emitting diode, are connected in related circuit respectively,
It is used to indicate current active intervention mode.Driver is during coordinated control system acts on, when experiencing itself visual field
When brightness is excessively dazzling, pro-active intervention subsystem can be enabled, is led by hand-operating light mode or mode with an automatic light meter
Itself field luminance is adjusted in dynamic intervention, this will not generate interference to other side driver, will not influence entire driver
The operation of field luminance coordinated control system；On the other hand, in coordinated control system operational process, driver feels that itself is regarded
Wild brightness is excessively dim, can by dipped beam compensation model to carry out itself field luminance compensation, due to be used for field luminance
The dipped headlight range of exposures of compensation is limited, and intensity of light is not high, will not generate interference to other side driver, will not influence
The operation of entire coordinated control system.
The electrochomeric glass by being entrenched on the windscreen of vehicle after area-optimized, with reach through
The balance optimizing for the benefit and field luminance regulating effect of helping, specific optimization method are as follows:
Step 1: the sitting position height of the driver of statistics different sexes, different age group, obtains driver's sitting position height point
Butut；
Step 2: thinking that driver's sitting position height meets Gaussian Profile, fitted according to driver's sitting position height distribution map
Sitting position height probability function, statement are as follows:
F (h)=Aeb×h
In formula: A and b indicates the function coefficients after fitting, and h is independent variable, i.e. the sitting position height of driver；
Step 3: driver attention is in collected state when driving, visual angle is α=23 ° at this time, and driver's binocular is extremely
The distance of windscreen be l, be the variable about vehicle, take sitting position height probability density function confidence interval be [0.05,
0.95], then the area-optimized algorithm statement of electrochomeric glass are as follows:
Sg=(h0.95-h0.05)·(l·tan23°)3·π/2
In formula: SgIndicate the area of optimized electrochomeric glass, h0.95And h0.05Calculation method are as follows:
In formula: hminIndicate the minimum sitting position height in driver's sitting posture statistical result, hmaxIt indicates according to driver's sitting posture
Highest sitting position height in height statistical result.
The control method of the above-mentioned driver's seat brightness coordinated control system for meeting at night, specific steps are as follows:
A, the onboard sensor subsystem that control platform is transmitted according to onboard wireless communication subsystem in local is collected
Information and the information of GPS data transceiver subsystem transmission, carrying out in different region landform and lane shape can car state
Judgement；
If B, control platform judges the both sides' vehicle meeting of being in car state in local, step C is carried out；
C, the onboard sensor subsystem that control platform is transmitted according to onboard wireless communication subsystem 5 in local is collected
Information detects come the high beam illumination condition to both sides' vehicle；
D, detection of platform is controlled in local opens distance light to wherein side's vehicle unlatching high beam or both sides' vehicle
Lamp then carries out step E；
E, the onboard sensor subsystem that control platform is transmitted according to onboard wireless communication subsystem in local is collected
Information and the information of GPS data transceiver subsystem transmission calculate the field luminance index of both sides driver；
F, in local control platform according to calculated both sides' driver's seat luminance index as a result, to both sides' vehicle
Vehicle-mounted control subsystem transfer control instruction；
G, vehicle-mounted control subsystem receives the instruction of local internal control platform, carries out coordinated control to system actuator,
Illumination intensity control and the control of light deflection angle including vehicular high beam lamp, so that both sides driver can be in meeting mistake
Optimal field luminance is obtained in journey, while not will receive opponent vehicle high beam bring dazzling effect；
H, the coordinated control result of system actuator is fed back in local control in real time by onboard wireless communication subsystem
Platform 6；
I, control platform judgement meeting car state terminates in local, and the high beam of both sides' vehicle is illuminated shape by coordinated control system
State is restored to normal condition, i.e. normal brightness and without light deflection angle, and coordinated control system stops working；
J, when coordinated control result of the driver to field luminance does not feel like oneself at once, can be determined according to self-demand be
No unlatching driver pro-active intervention subsystem；If carrying out step K after driver opens pro-active intervention subsystem；
K, driver carries out the selection of the mode of pro-active intervention, including hand-operating light mode, mode with an automatic light meter and close
Light compensation model realizes that the active to itself field luminance is adjusted.
Step A, the specific steps of the meeting judgement are as follows:
GPS data transceiver subsystem is by control platform in the geographic coordinate information real-time transmission to local of both sides' vehicle；Vehicle
Carry the lane grade information and lane curvature radius of both sides' vehicle that wireless telecommunications subsystem acquires onboard sensor subsystem
Control platform in information real-time transmission to local, after a certain time interval, in local control platform according to these information into
The judgement of guild's vehicle；
It is T that control platform, which is used for the time interval that judge, in local, and before T time, control platform passes through GPS number in local
The geographic coordinate information of the both sides' vehicle received according to transceiver subsystem is (x1, y1), (x2, y2)；After T time, local internal control
The geographic coordinate information for both sides' vehicle that platform processed is received by GPS data transceiver subsystem is (x1(T), y1(T)), (x2
(T), y2(T))；Lane curvature radius information when the meeting that control platform is received by onboard wireless communication subsystem in local
The lane grade information of both sides' vehicle is respectively θ when for R, meeting1, θ2；Index for carrying out meeting judgement is specifically divided into following
Three kinds of situations:
The first situation: R=0, θ1=θ2=0, meeting following indexs, then control platform judges that both sides' vehicle is in local
Meeting car state:
Second situation: R=0, θ1≠ 0, θ2≠ 0, meeting following indexs, then control platform judges at both sides' vehicle in local
In meeting car state:
Wherein:
The third situation: R ≠ 0, meet following indexs then in local control platform judge that both sides' vehicle is in can car state:
Wherein, x0, y0Meet following Nonlinear System of Equations:
Its solver are as follows:
Step 1: using syms function defined variable x in software for mathematical computing Matlab1, y1, x2, y2, R, x0, y0；
Step 2: using solve function, in software for mathematical computing Matlab with variable x0, y0To export to above-mentioned non-thread
Property equation group is solved；
Step 3: output solving result.
xm, ymMeet following Nonlinear System of Equations:
Its solver are as follows:
Step 1: using syms function defined variable x in software for mathematical computing Matlab1, y1, x2, y2, R, x0, y0,
xm, ym；
Step 2: using solve function, in software for mathematical computing Matlab with variable xm, ymTo export to above-mentioned non-thread
Property equation group is solved；
Step 3: output solving result.
Control platform judges both sides' vehicle according to above-mentioned three indexs in different region landform and lane shape in local
Whether in can car state.
Step E, the driver's seat luminance index are that control platform in local is communicated subsystem by onboard wireless
The information that the onboard sensor subsystem received acquires of uniting and the information that reception GPS data transceiver subsystem transmits are as change
Amount, carries out test mark by theory deduction and under different air environments, different weather conditions and different visibility
It is fixed and foundation；Control platform receives the information of onboard sensor subsystem acquisition by onboard wireless communication subsystem in local
Include: the relative humidity information in meeting region, the air quality index information in meeting region, meeting region weather conditions letter
The high beam illumination intensity information of breath, both sides' vehicle, these variable informations are carried out by the related sensor being installed on vehicle respectively
Acquisition；Control platform receives the course state letter that the information of GPS data transceiver subsystem transmission includes: both sides' vehicle in local
The geographic coordinate information of breath, both sides' vehicle；Control platform is using these information as variable in local, the driver's seat established
Luminance index statement are as follows:
In formula: T indicates driver's seat luminance index when meeting, unit lx/m2；EoIndicate the distance light of opponent vehicle
Lamp brightness value, unit lx；S indicates both sides' vehicular high beam lamp effective active area, unit m2, the calculation method of S be divided into
Lower three kinds of situations:
The first situation: when both sides' vehicle course angle is 0:
S=| x1-x2|·|y1-y2|
In formula: x1, y1Indicate the geographical coordinate of side's vehicle；x2, y2Indicate the geographical coordinate of another party's vehicle；
Second situation: the course angle of side's vehicle is non-zero, and the course angle of another party's vehicle is 0
If the course angle of the non-zero side's vehicle of course angle isThe calculation method of S are as follows:
The third situation: the course angle of both sides' vehicle is non-zero:
If the course angle of side's vehicle isThe course angle of another party's vehicle isThe calculation method of S are as follows:
KRHIt indicates the air humidity factor, is the function about air humidity information.Known by test sample acquisition, it is most of
In the case of air humidity range be 40%RH to 70%RH, therefore, the utility model devises the air humidity factor about sky
The function of gas humidity information, to guarantee reasonability of the driver's seat target luminance value in different air humiditys；The letter
Number can guarantee that in the range of air humidity is from 0%RH to 100%RH, the first derivative of driver's seat luminance index connects
It is continuous, it realizes a smooth transition, while air humidity range, from 40%RH to 70%, the variation of driver's seat luminance index is gentle, protects
The adaptability for demonstrate,proving driver, in conclusion function of the air humidity factor established about air humidity are as follows:
In formula:Relative air humidity is indicated, in the range of 0%RH~100%RH；
KAQIIt indicates meteorological factors, is the function about air quality information.Known by test sample acquisition, big portion
The range of meteorological factors is 50AQI to 100AQI in the case of point, and therefore, the utility model devises meteorological factors pass
In the function of air quality, to guarantee reasonability of the driver's seat target luminance value in different air qualities；The letter
Number can guarantee that the first derivative of driver's seat luminance index is continuous, can be steady when air quality is more than or equal to 0AQI
Transition, while meteorological factors, from 50AQI to 200AQI, the variation of driver's seat luminance index is gentle, guarantees driver's
Adaptability, in conclusion establishing to obtain function of the meteorological factors about air quality are as follows:
In formula: AQI indicates air quality index, in the range of AQI >=0；
KWETHIndicate the weather conditions factor, be the function about weather conditions information, major embodiment in rain and snow on.By
Be in rain and snow weather it is graduate, therefore, the utility model uses grade mapping method, and the rain and snow weather of each grade is mapped to
The corresponding weather conditions factor, is expressed as follows:
When there is no sleet, KWETH=1；When slight snow weather, KWETH=1.2；When moderate snow weather, KWETH=1.4；Heavy snow weather
When, KWETH=1.6；When blizzard weather, KWETH=2；When light rain weather, KWETH=1.2；When moderate rain weather, KWETH=1.3；Greatly
When rainy day gas, KWETH=1.4；When rainstorm weather, KWETH=1.5；
KVIIt indicates visibility factor, is the function about visibility information, is mainly influenced by the greasy weather.Since the greasy weather is point
Grade, therefore, the utility model uses grade mapping method, and the greasy weather of each grade is mapped to corresponding visibility factor,
It is expressed as follows:
K when mistVI=1；K when dense fogVI=1.5；K when thick fogVI=1.8；K when strong thick fogVI=2.0；
Control platform calculates the T value of both sides driver in real time in local, and ideal driver's view is determined after Experimental Calibration
Wild target luminance value Ti。
Control platform determines the both sides' vehicle meeting of being in car state in the local, and communicates subsystem by onboard wireless
After the information monitoring of system transmission opens high beam to either one vehicle, i.e., control is sent to the vehicle-mounted control subsystem of both sides
Instruction, system actuator is under the regulation of vehicle-mounted control subsystem, the brightness of illumination tune of real-time perfoming both sides' vehicular high beam lamp
The deflection angle of section and light is adjusted, and by taking a wherein side driver as an example, specifically regulates and controls step are as follows:
Step 1: control platform calculates the field luminance index value of the driver in real time in local；
Second step is divided into following three kinds of situations:
The first situation: being T by collecting sample and the predetermined driver's seat brightness lower limit of Experimental Calibrationmin,
If the T value calculated is lower than this lower limit value, driver's seat brightness is judged as dim dark state；At this point, control platform in local
By onboard wireless communication subsystem to the vehicle-mounted control subsystem transfer control instruction of opponent vehicle, the remote of opponent vehicle is adjusted
Light lamp brightness, makes driver's seat luminance index be restored to Tmin, then the high beam deflection angle of adjusting opponent vehicle makes driver
Field luminance index moves closer to Ti；
Second situation: being T by collecting sample and the predetermined driver's seat brightness upper limit of Experimental Calibrationmax,
If the T value calculated is greater than this upper limit value, driver's seat brightness is judged as dazzling state；At this point, control platform in local
By onboard wireless communication subsystem to the vehicle-mounted control subsystem transfer control instruction of opponent vehicle, the remote of opponent vehicle is adjusted
Light lamp brightness, makes driver's seat luminance index be restored to Tmax, then the high beam deflection angle of adjusting opponent vehicle makes driver
Field luminance index moves closer to Ti；
The third situation: the T value that control platform calculates in local is in TminAnd TmaxBetween, then by adjusting opponent vehicle
High beam deflection angle makes driver's seat luminance index move closer to Ti。
Compared with prior art, the utility model has the beneficial effects that: the utility model can make both sides driver exist
Optimal field luminance can be obtained when meeting at night, while not by opponent vehicle high beam bring dazzling effect；It drives
The factor of member's field luminance index is demarcated under different air environments, different weather situation and different visibility, therefore
There is good adaptability to the environment in meeting region；Meanwhile the utility model be to the brightness of both sides' driver's seat automatically into
Row coordinated control, driver does not feel like oneself at once to the result of coordinated control, can carry out pro-active intervention and come to itself visual field
Brightness is adjusted.
Detailed description of the invention
Fig. 1 is a kind of driver's seat brightness coordinated control system construction module for meeting at night of the utility model
Figure；
Fig. 2 is a kind of control method of the driver's seat brightness coordinated control system for meeting at night of the utility model
Schematic diagram；
Fig. 3 be a kind of driver's seat brightness coordinated control system for meeting at night of the utility model in straight way without slope
Meeting judgment method schematic diagram in the case of degree；
Fig. 4 is that a kind of driver's seat brightness coordinated control system for meeting at night of the utility model is having gradient feelings
Meeting judgment method schematic diagram under condition；
Fig. 5 is the meeting on a kind of driver's seat brightness coordinated control system bend for meeting at night of the utility model
Vehicle judgment method schematic diagram；
Fig. 6 is that a kind of system of driver's seat brightness coordinated control system for meeting at night of the utility model executes
Multiple degrees of freedom light deflection mechanism axonometric drawing in mechanism；
Fig. 7 a is that a kind of system of the driver's seat brightness coordinated control system for meeting at night of the utility model is more
The spherical gear annular sleeve figure of freedom degree light deflection mechanism；
Fig. 7 b is that a kind of system of the driver's seat brightness coordinated control system for meeting at night of the utility model is more
The high beam connected unit figure of freedom degree light deflection mechanism；
Fig. 7 c is that a kind of system of the driver's seat brightness coordinated control system for meeting at night of the utility model is more
The spherical gear erecting bed figure of freedom degree light deflection mechanism；
Fig. 8 is a kind of multiple degrees of freedom of the driver's seat brightness coordinated control system for meeting at night of the utility model
Electromagnetism push rod sectional view in light deflection mechanism；
Fig. 9 is a kind of driver's seat brightness coordinated control system driver's active for meeting at night of the utility model
Intervene subsystem circuit figure；
Figure 10 is a kind of driver's seat brightness coordinated control system driver master for meeting at night of the utility model
The dynamic area-optimized method schematic diagram of electrochomeric glass intervened in subsystem.
In figure, 1. onboard sensor subsystem, 2. driver's pro-active intervention subsystem, 3. system actuators 4. are vehicle-mounted
8. high beam of control platform 7.GPS data transmit-receive subsystem in 5. onboard wireless communication subsystem of control subsystem, 6. local
9. bolt I 10. high beam connected unit, 11. Hooke's joint, 12. electromagnetism push rod, 13. spherical gear assistant installation tables 14. are vehicle-mounted
20. spherical gear of spherical gear annular before spherical gear 19. after 15. inverter of power supply, 16. conducting wire, 17. circuit control device 18.
It covers and pacifies before connecting platform 26. before 21. boss, 22. gimbal base 23. after 24. intermediate supports floor 25. of connecting platform
29. bolt hole of mounting platform, 30. permanent magnet, 31. electromagnetism push rod housing after 27. universal joint mounting seat 28. of assembling platform
32. 33. matching with hollow iron core of driving coil, 34. reset spring, 35. electromagnetism push rod cylinder, 36. intensity signal acquisition module
37. 38. rotating potentiometer of electrochomeric glass, 39. automatic mode DC/DC buck converter, 40. manual mode DC/DC
The compensation of 41. dipped beam compensation model DC/DC buck converter of buck converter, 42. dipped beam compensation model indicator light 43.
44. protective resistance of dipped headlight, 45. manual mode indicator light 46. 6 keeps off self-locking type rotary switch 47. and controls chip 48. certainly
Dynamic mode indicating lamp.
Specific embodiment
As shown in Figure 1, a kind of driver's seat brightness coordinated control system for meeting at night, by onboard sensor
System 1, onboard wireless communication subsystem 5, vehicle-mounted control subsystem 4, control platform 6, system actuator 3, GPS in local
Data transmit-receive subsystem 7 and driver's pro-active intervention subsystem 2 form.
The information that onboard sensor subsystem 1 acquires is sent to control platform in local by onboard wireless communication subsystem 5
6, and the control instruction of control platform 6 in local is sent to vehicle-mounted control subsystem 4；GPS data transceiver subsystem 7 is used for
By the necessary data of the instruction acquisition of control platform 6 in local and it is sent to control platform 6 in local；Control platform in local
6 be the control core of whole system, by onboard wireless communication subsystem 5 to 4 transfer control instruction of vehicle-mounted control subsystem,
And then coordinated control is carried out to system actuator 3.Driver's pro-active intervention subsystem 2 is independently of control system, by driving
Member carries out active control.
As shown in Fig. 2, the control method of the above-mentioned driver's seat brightness coordinated control system for meeting at night, specifically
Step are as follows:
A, control platform 6 is acquired according to the onboard sensor subsystem 1 that onboard wireless communication subsystem 5 transmits in local
Information and GPS data transceiver subsystem 7 transmit information, in different region landform and lane shape carry out meeting shape
State judgement；
If B, control platform 6 judges the both sides' vehicle meeting of being in car state in local, step C is carried out；
C, control platform 6 is acquired according to the onboard sensor subsystem 1 that onboard wireless communication subsystem 5 transmits in local
Information detected come the high beam illumination condition to both sides' vehicle；
D, control platform 6 detects that wherein side's vehicle opens high beam or both sides' vehicle opens distance light in local
Lamp then carries out step E；
E, control platform 6 is acquired according to the onboard sensor subsystem 1 that onboard wireless communication subsystem 5 transmits in local
Information and GPS data transceiver subsystem 7 information that transmits calculate the field luminance index of both sides driver；
F, in local control platform 6 according to calculated both sides' driver's seat luminance index as a result, to both sides' vehicle
4 transfer control instruction of vehicle-mounted control subsystem；
G, vehicle-mounted control subsystem 4 receives the instruction of local internal control platform 6, carries out coordination control to system actuator 3
System, illumination intensity control and the control of light deflection angle including vehicular high beam lamp, so that both sides driver can be in meeting
Optimal field luminance is obtained during vehicle, while not will receive opponent vehicle high beam bring dazzling effect；
H, the coordinated control result of system actuator 3 is fed back to local internal control in real time by onboard wireless communication subsystem 5
Platform 6 processed；
I, the judgement of control platform 6 meeting car state terminates in local, and coordinated control system illuminates the high beam of both sides' vehicle
State is restored to normal condition, i.e. normal brightness and without light deflection angle, and coordinated control system stops working；
J, when coordinated control result of the driver to field luminance does not feel like oneself at once, can be determined according to self-demand be
No unlatching driver's pro-active intervention subsystem 2；If carrying out step K after driver opens pro-active intervention subsystem；
K, driver carries out the selection of the mode of pro-active intervention, including hand-operating light mode, mode with an automatic light meter and close
Light compensation model realizes that the active to itself field luminance is adjusted.
As shown in figure 3, for a kind of driver's seat brightness coordinated control system for meeting at night in straight way without the gradient
In the case of meeting judgment method schematic diagram, in figure, X-axis indicates the horizontal axis under earth coordinates, and Y-axis indicates under earth coordinates
The longitudinal axis, both sides' marking of cars of meeting is 1 vehicle and 2 vehicles, (x1,y1) indicate that 1 vehicle geographic coordinate information, T indicate control in local
Platform is used for the time interval of meeting judgement, (x1(T),y1(T)) 1 vehicle geographic coordinate information after T time, (x are indicated2,y2)
Indicate 2 vehicle geographic coordinate informations, (x2(T),y2(T)) 2 vehicle geographic coordinate informations after T time are indicated；Control platform in local
6 judge that meeting region is straight by the collected lane curvature radius information of in-vehicle wireless communication system 5 and lane grade information
Road is without the gradient, according to both sides' vehicle under diagram earth coordinates on the geographic coordinate information before T time and the ground after T time
Coordinate information is managed, carries out meeting judgement according to respective algorithms；Both sides' vehicle geographic coordinate information is by GPS data transceiver subsystem 7
It acquires and occurs to control platform 6 in local.
As shown in figure 4, having gradient situation for a kind of driver's seat brightness coordinated control system for meeting at night
Under meeting judgment method schematic diagram, in figure, both sides' marking of cars of meeting is 1 vehicle and 2 vehicles, (x1,y1) indicate that 1 vehicle geography is sat
Information is marked, T indicates that control platform is used for the time interval that meeting judges, (x in local1(T),y1(T)) 1 after T time is indicated
Vehicle geographic coordinate information, (x2,y2) indicate 2 vehicle geographic coordinate informations, (x2(T),y2(T)) indicate that 2 vehicles after T time are geographical
Coordinate information, θ1And θ2Respectively indicate the lane grade information of 1 vehicle and 2 vehicles；Control platform 6 passes through onboard sensor in local
1 collected meeting region lane grade information of system judges that there is the gradient in meeting region, according to both sides under diagram earth coordinates
Vehicle is in the geographical coordinate before T time and the geographical coordinate after T time and the lane grade information of both sides' vehicle, foundation
Respective algorithms carry out meeting judgement；Both sides' vehicle geographic coordinate information is acquired by GPS data transceiver subsystem 7 and is occurred to office
Control platform 6 in domain.
As shown in figure 5, the meeting on a kind of driver's seat brightness coordinated control system bend for meeting at night is sentenced
Disconnected method schematic diagram, in figure, X-axis indicates the horizontal axis under earth coordinates, and Y-axis indicates the longitudinal axis under earth coordinates, meeting
Both sides' marking of cars is 1 vehicle and 2 vehicles, (x1,y1) indicate that 1 vehicle geographic coordinate information, T indicate that control platform is used for meeting in local
The time interval of judgement, (x1(T),y1(T)) 1 vehicle geographic coordinate information after T time, (x are indicated2,y2) indicate that 2 vehicles are geographical
Coordinate information, (x2(T),y2(T)) indicate that 2 vehicle geographic coordinate informations after T time, R indicate the radius of curvature information in lane,
(x0,y0) indicate lane curvature centre coordinate, (xm,ym) indicate lane midpoint coordinates；Control platform 6 passes through vehicle-mounted nothing in local
The collected lane curvature radius information of line communication system 5 judges meeting region for bend, according to diagram earth coordinates lower pair
Geographical coordinate of the square vehicle before the T time and the geographic coordinate information after T time carry out meeting according to respective algorithms and sentence
It is disconnected；Both sides' vehicle geographic coordinate information is acquired by GPS data transceiver subsystem 7 and is occurred to control platform in local.
It is a kind of driver's seat brightness coordinated control system for meeting at night as shown in Fig. 6, Fig. 7 a- Fig. 7 c
The button torus of multiple degrees of freedom light deflection mechanism axonometric drawing and multiple degrees of freedom light deflection mechanism in system actuator
The structural schematic diagram of shape set, high beam connected unit and spherical gear erecting bed, including vehicle power supply 14, high beam connected unit 10, ball
Gear pair 18,19, spherical gear annular sleeve 20, spherical gear assistant installation table 13, electromagnetism push rod 12, Hooke's joint 11, inverter
15 and circuit control device 17.
Wherein, high beam connected unit 10 is made of preceding connecting platform 23, rear connecting platform 28 and intermediate supports floor 24,
In, the lamp base of preceding connecting platform 23 and high beam 8 is connected by bolt 9.
Button wheel set is made of preceding spherical gear 19 and rear spherical gear 18, to mitigate quality, is processed into hollow hemispheric, is taken turns
Tooth is intermeshed on the spherical surface of two gears, and the rear connecting platform 25 of forecourt gear plane and high beam connected unit 10 passes through spiral shell
Bolt 9 is connected, and rear spherical gear plane is connected onboard by spherical gear assistant installation table 13.
Before spherical gear annular sleeve 20 is connected in by bolt 9 on spherical gear 19,20 edge of spherical gear annular sleeve machined three
120 ° of the boss 21 in a interval is all machined with gimbal base 22 on boss 21, Hooke's joint 11 is connected by bolt 9
In gimbal base 22.
Spherical gear assistant installation table 13 is made of preceding mounting platform 26, rear mounting platform 28 and intermediate supports floor 24, wherein
Preceding mounting platform 26 is connected by bolt 9 and 18 plane of rear spherical gear, and 9 bolts hole 29 are machined on rear mounting platform 28, is led to
It crosses bolt 9 spherical gear assistant installation table 13 is connected onboard, also processes that there are three 120 ° universal of interval on rear mounting platform 28
The universal joint mounting seat 27 saved in mounting seat 27, with spherical gear annular sleeve 20 is concentric, by bolt 9 by Hooke's joint
11 are connected in universal joint mounting seat 27.
Electromagnetism push rod 12 and its electromagnetism push rod housing 31 share three groups, are connected to button wheel set by Hooke's joint 11
Between erecting bed 13 and spherical gear annular sleeve 20, each electromagnetism push rod housing 31 respectively and be connected on rear mounting platform 28 ten
The sleeve of word shaft universal-joint 11 is connected by bolt 9, and each electromagnetism push rod 12 is respectively and after being fixed on high beam connected unit 10
The sleeve of Hooke's joint 11 on connecting platform 25 is connected by bolt 9.
Vehicle power supply 14 is powered to inverter 15 and circuit control device 17, is attached by conducting wire 16, inverter
Controller 17 is used to control the phase that inverter 17 exports electric current, and the alternating current that inverter 15 exports is pushed away by conducting wire 16 to electromagnetism
Bar 12 is powered, and then realizes the reciprocating motion of electromagnetism push rod 12, and electromagnetism push rod 12 pushes spherical gear annular sleeve 20 to move, spherical gear
Spherical gear 19 moves before annular sleeve 20 drives, and the multiple degrees of freedom that LED high beam 8 is completed by the constraint of rear spherical gear 18 is transported
It is dynamic, realize any variation of the deflection angle of high beam 8 on spherical surface.
As shown in figure 8, a kind of multiple degrees of freedom light of the driver's seat brightness coordinated control system for meeting at night
Electromagnetism push rod sectional view in deflection mechanism, including electromagnetism push rod cylinder 35, permanent magnet 30, electromagnetism push rod housing 31, electromagnetism
There are driving coil 32 and matching with hollow iron core 33, reset spring 34 inside push rod housing 31, electromagnetism push rod roofbolt is by electromagnetism push rod
Roofbolt body 35 and the permanent magnet 30 for being fixed on 35 bottom of electromagnetism push rod cylinder are constituted, and reset spring 34 is for realizing electromagnetism push rod
12 reset.
As shown in figure 9, actively dry for a kind of driver's seat brightness coordinated control system driver for meeting at night
Pre- subsystem circuit figure, including mode with an automatic light meter, hand-operating light mode and dipped beam compensation model, can be in the active of driver
The lower free switching realized between Three models of operation.
The respond module of hand-operating light mode and mode with an automatic light meter is the electroluminescent change being entrenched on vehicle front windshield glass
Color glass 37 has carried out the area of electrochomeric glass 37 excellent to reach the balance optimizing of economic benefit and antiglare effect
Change；Hand-operating light mode includes manual mode DC/DC buck converter 40, rotating potentiometer 38, manual mode indicator light
45, rotating potentiometer 38 and electrochomeric glass 37 are connected, for changing electroluminescent change under the manual rotary operation of driver
37 light transmittance of color glass.
Mode with an automatic light meter includes automatic mode DC/DC buck converter 39, intensity signal acquisition module 36, control core
Piece 47 and automatic mode indicator light 48, intensity signal acquisition module 36 are the high-precision for being installed on vehicle front windshield glass edge
Photocell, control chip 47 are 80C51 single-chip microcontroller, and intensity signal acquisition module 36 is connected with control chip 47, control chip 47
It is powered by vehicle power supply 14 through automatic mode DC/DC buck converter 39, control chip 47 is believed according to pre-set programs by light intensity
It ceases to control the light transmittance of electrochomeric glass 37, so that the high beam brightness value that driver is experienced is controlled in optimum range
It is interior.
Dipped beam compensation model includes dipped beam compensation model DC/DC buck converter 41, compensation dipped headlight 43, dipped beam compensation
Mode indicating lamp 42 and protective resistance 44, dipped beam compensation model DC/DC buck converter 41 is for vehicle power supply 14 to be depressured
It powers afterwards to circuit, compensation dipped headlight 43 is low-power LED lamp, for mending in limited range to driver's seat brightness
It repays, while interference is not generated to other side driver, and do not influence the operation of entire coordinated control system.
Mode with an automatic light meter and hand-operating light mode and dipped beam compensation model are self-locking by six gears being installed on steering wheel
Type rotary switch 46 carrys out the switching between implementation pattern, and the counter clockwise direction of six gear self-locking type rotary switches 46 is respectively 1. empty
Gear, 2. mode gear with an automatic light meter, 3. neutral gear, 4. hand-operating light mode gear, 5. neutral gear, 6. dipped beam compensation model is kept off；Automatic mode
Indicator light 48, manual mode indicator light 45 and dipped beam compensation model indicator light 42 are low-power LED light emitting diode, are gone here and there respectively
It is associated in related circuit, is used to indicate current active intervention mode.
As shown in Figure 10, the driver's seat brightness coordinated control system driver to be a kind of for meeting at night is actively dry
The area-optimized method schematic diagram of electrochomeric glass in pre- subsystem, it is necessary first to count different sexes, different age group
Then the sitting position height of driver optimizes, variable required for optimization method are as follows: h according to correlation methodmin(in sample
Minimum sitting position height), hmax(the highest sitting position height in sample), h0.95, h0.05, l (driver's binocular to windscreen away from
From) and α (visual angle is taken as 23 ° of definite value).Driver is obtained by the sitting position height of the driver of different sexes, different age group to sit
Appearance height distribution map fits sitting position height probability function according to driver's sitting position height distribution map, according to sitting position height probability
Density function, taking the confidence interval of sitting position height probability density function is [0.05,0.95], is obtained corresponding when confidence level is 0.05
Height h0.05Corresponding height h when with confidence level being 0.950.95, electroluminescent after can be obtained by optimization according to corresponding algorithm
The area of photo chromic glass.This optimization method considers most drivers and is calling driver's pro-active intervention subsystem 2
When field luminance adjust demand, while consider cost factor, the area of electrochomeric glass is reduced to the greatest extent, is reached
The balance optimizing that economic benefit and field luminance are adjusted.
Claims (5)
1. a kind of driver's seat brightness coordinated control system for meeting at night, it is characterised in that: by onboard sensor
System (1), driver's pro-active intervention subsystem (2), system actuator (3), vehicle-mounted control subsystem (4), onboard wireless are logical
Control platform (6) and GPS data transceiver subsystem (7) composition in news subsystem (5), local；
The information that onboard sensor subsystem (1) acquires is sent to control in local by the onboard wireless communication subsystem (5)
Platform (6)；And the control instruction of control platform in local (6) is sent to vehicle-mounted control subsystem (4)；
The GPS data transceiver subsystem (7) is used for the instruction acquisition data by control platform in local (6) and is sent to office
Control platform (6) in domain；
Driver's pro-active intervention subsystem carries out active control by driver for (2), allows driver worked in system
Journey carries out active adjusting to itself field luminance；
The information and GPS data transceiver subsystem that control platform (6) is acquired according to onboard sensor subsystem (1) in the local
(7) information transmitted makes meeting judgement, and transmits and control to vehicle-mounted control subsystem (4) according to driver's seat luminance index
Instruction to system actuator (3) carry out coordinated control, make both sides driver while obtaining optimal field luminance not by
Opponent vehicle high beam bring dazzling effect.
2. a kind of driver's seat brightness coordinated control system for meeting at night according to claim 1, feature
Be: the system actuator (3) is made of LED high beam (8) and multiple degrees of freedom car light deflection mechanism；Wherein, LED distance light
Lamp (8) is equipped with stepless dimming controller, uses BP2838G constant-current driven chip and LXR211W to control chip, in vehicle-mounted control
Stepless control is carried out to lamplight brightness under the regulation of subsystem (4)；The multiple degrees of freedom car light deflection mechanism is in vehicle-mounted control
The deflection of any direction of light is realized under the control of system (4).
3. a kind of driver's seat brightness coordinated control system for meeting at night according to claim 2, feature
Be: the multiple degrees of freedom car light deflection mechanism is by high beam connected unit (10), button wheel set, the button being connected with button wheel set
Take turns annular sleeve (20), spherical gear assistant installation table (13), electromagnetism push rod (12), Hooke's joint (11), inverter (15), inversion
Device controller (17) and vehicle power supply (14) composition；Wherein, button wheel set is connect with high beam connected unit (10), and passes through button
Wheel assistant installation table (13) fixed with vehicle, Hooke's joint (11) respectively with the gimbal base on spherical gear annular sleeve (20)
(22) universal joint mounting seat (27) and on spherical gear assistant installation table is connected, and electromagnetism push rod (12) and is fixed on high beam
The sleeve of Hooke's joint (11) in connected unit (10) is connected, and inverter (15), circuit control device (17) are by vehicle-mounted
Power supply (14) power supply, the exchange of inverter (15) output supply electricity to electromagnetism push rod (12) power supply, and electromagnetism push rod (12) pushes spherical gear
Annular sleeve (20) moves and pushes spherical gear secondary motion, and the multiple degrees of freedom of LED high beam (8) is completed by the constraint of button wheel set
Movement.
4. a kind of driver's seat brightness coordinated control system for meeting at night according to claim 3, feature
Be: the high beam connected unit (10) is by preceding connecting platform (23), rear connecting platform (25) and intermediate supports floor (24) group
At, wherein the lamp base of preceding connecting platform (23) and high beam (8) is connected；The button wheel set by preceding spherical gear (19) and after
Spherical gear (18) composition, is hollow hemispheric, and the gear teeth are intermeshed on the spherical surface of two gears, forecourt gear plane and remote
The rear connecting platform (25) of light lamp connected unit (10) is connected, and rear spherical gear plane is solid by spherical gear assistant installation table (13) and vehicle
It is fixed；The spherical gear annular sleeve (20) is connected on preceding spherical gear (19), and edge is equipped with boss (21), which is provided with and fixes ten
The gimbal base (22) of word shaft universal-joint (11)；The spherical gear assistant installation table (13) is by preceding mounting platform (26), rear installation
Platform (28) and intermediate supports floor (24) composition, wherein preceding mounting platform (26) and rear spherical gear (18) plane are connected, rear to pacify
Assembling platform (28) is fixed with vehicle, which is provided with the universal joint mounting seat (27) of connected Hooke's joint (11)；The electromagnetism
Push rod (12) by Hooke's joint (11) be connected to universal joint mounting seat (27) on spherical gear assistant installation table (13) and
Between gimbal base (22) on the boss (21) of spherical gear annular sleeve (20).
5. a kind of driver's seat brightness coordinated control system for meeting at night according to claim 1, feature
Be: driver's pro-active intervention subsystem (2) includes mode, hand-operating light mode and dipped beam compensation model with an automatic light meter,
By be installed on steering wheel six gear self-locking type rotary switches come the switching between implementation pattern, wherein hand-operating light mode and
The respond module of mode with an automatic light meter is the electrochomeric glass (37) being entrenched on vehicle front windshield glass；
The hand-operating light mode include manual mode DC/DC buck converter (40), rotating potentiometer (38) and manually
Mode indicating lamp (45), rotating potentiometer (38) and electrochomeric glass (37) series connection；The mode with an automatic light meter includes certainly
Dynamic model formula DC/DC buck converter (39), intensity signal acquisition module (36), control chip (47) and automatic mode indicator light
(48), intensity signal acquisition module (36) is connected with control chip (47), and control chip (47) is by vehicle power supply (14) through automatic
Mode DC/DC buck converter (39) power supply, control chip (47) are controlled electrochomeric glass (37) by intensity signal
Light transmittance；The dipped beam compensation model include dipped beam compensation model DC/DC buck converter (41), compensation dipped headlight (43),
Dipped beam compensation model indicator light (42) and protective resistance (44), dipped beam compensation model DC/DC buck converter (41) will be vehicle-mounted
It powers after power supply (14) decompression to circuit, compensation dipped headlight (43) is low-power LED lamp.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201820467191.6U CN208248068U (en) | 2018-03-30 | 2018-03-30 | A kind of driver's seat brightness coordinated control system for meeting at night |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108528324A (en) * | 2018-03-30 | 2018-09-14 | 吉林大学 | A kind of driver's seat brightness coordinated control system and its control method for meeting at night |
| CN109795400A (en) * | 2019-01-21 | 2019-05-24 | 山东交通学院 | A kind of headlight for vehicle lamp intelligent stepless regulation device and regulation method |
| WO2023004132A1 (en) * | 2021-07-23 | 2023-01-26 | Autoliv Asp, Inc. | Emblem assembly in airbag cover |
-
2018
- 2018-03-30 CN CN201820467191.6U patent/CN208248068U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108528324A (en) * | 2018-03-30 | 2018-09-14 | 吉林大学 | A kind of driver's seat brightness coordinated control system and its control method for meeting at night |
| CN108528324B (en) * | 2018-03-30 | 2023-09-29 | 吉林大学 | Driver vision brightness coordination control system for night meeting and control method thereof |
| CN109795400A (en) * | 2019-01-21 | 2019-05-24 | 山东交通学院 | A kind of headlight for vehicle lamp intelligent stepless regulation device and regulation method |
| CN109795400B (en) * | 2019-01-21 | 2020-05-22 | 山东交通学院 | Intelligent stepless regulation and control device and method for far and near lamps of vehicle |
| WO2023004132A1 (en) * | 2021-07-23 | 2023-01-26 | Autoliv Asp, Inc. | Emblem assembly in airbag cover |
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