CN105564296A - Illumination device and illumination method - Google Patents
Illumination device and illumination method Download PDFInfo
- Publication number
- CN105564296A CN105564296A CN201610007229.7A CN201610007229A CN105564296A CN 105564296 A CN105564296 A CN 105564296A CN 201610007229 A CN201610007229 A CN 201610007229A CN 105564296 A CN105564296 A CN 105564296A
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- Prior art keywords
- vehicle
- illumination
- lighting
- liquid crystal
- lighting demand
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
- B60Q1/00—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor
- B60Q1/02—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments
- B60Q1/04—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights
- B60Q1/06—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights adjustable, e.g. remotely-controlled from inside vehicle
- B60Q1/08—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights adjustable, e.g. remotely-controlled from inside vehicle automatically
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
- B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
- B60R16/023—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements for transmission of signals between vehicle parts or subsystems
- B60R16/0231—Circuits relating to the driving or the functioning of the vehicle
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Automation & Control Theory (AREA)
- Lighting Device Outwards From Vehicle And Optical Signal (AREA)
Abstract
The invention provides an illumination device and an illumination method. The illumination device comprises a processing module, a driving module and an illumination module, wherein the illumination module comprises a backlight and a liquid crystal box arranged on the light emitting side of the backlight; the processing module is used for determining the illumination requirement of a vehicle; the driving module is used for driving liquid crystal molecules in the liquid crystal box to deflect according to the determined illumination requirement, so as to change the path of light passing through the liquid crystal box. The illumination device is simple in structure, and low in cost; illumination control can be realized flexibly and fast.
Description
Technical field
The present invention relates to field of liquid crystal display, particularly a kind of illumination equipment and means of illumination being applied to vehicle.
Background technology
Along with the development of automotive technology, people also more and more pay attention to driving safety.Wherein realize the important development direction that Vehicular intelligent illumination is traffic safety.Such as, when chaufeur turns in driving, in order to provide the better visual field to chaufeur, also can there is certain deflection along with the steering angle of vehicle in the illumination direction of car light; Again such as, ACTIVE CONTROL car light can be thrown light on by front vehicles, thus prevent high light from producing sight line impact to front navigating mate.
Mainly control car light with traditional mechanical system in prior art to deflect, thus realize intelligent lighting.Structurally need to arrange for controlling motor that car light carries out turning to and transmission device, therefore cost is high and speed of response slow, and the maintenance for the later stage is also inconvenient.
Summary of the invention
The object of the invention is to solve existing Vehicular illumination device structural load, problem that cost is low.
For achieving the above object, on the one hand, the invention provides a kind of illumination equipment being applied to vehicle, comprising:
Processing module, driver module and lighting module;
Described lighting module comprises: backlight and be arranged on the liquid crystal cell of described backlight light emission side;
Described processing module is for determining the lighting demand of vehicle;
Described driver module, according to the lighting demand determined, drives the liquid crystal molecule of described liquid crystal cell to deflect, to change the light path of the light by described liquid crystal cell.
Alternatively, described processing module comprises:
Information setting unit, for preserving the corresponding relation of vehicle running state and illumination;
Information acquisition unit, for the motoring condition of collection vehicle;
Information comparing unit, for the motoring condition of vehicle that will collect, contrasts with the corresponding relation of the vehicle running state be saved in and car lighting, determines the lighting demand of described vehicle;
Information feedback unit, for the lighting demand of described vehicle that will determine, feeds back to described driver module.
Alternatively, described information acquisition unit comprises: rotation direction sensor, for obtaining the steering angle of described vehicle;
Described information setting unit preserves the corresponding relation in vehicle steering angle and car lighting direction.
Alternatively, described information acquisition unit also comprises: car speed sensor, for obtaining the moving velocity of described vehicle;
Described information setting unit preserves the corresponding relation of Vehicle Speed and car lighting scope.
Alternatively, described processing module also comprises:
Road condition acquiring unit, for the road conditions in the driving process of vehicle;
Processing unit, for according to described road conditions, determines the lighting demand of described vehicle;
Alternatively, if the road surface that described road conditions indicate described vehicle to travel exists accumulated snow or ponding, then described processing unit determines that the lighting demand of described vehicle is: determine the vehicle court direction parallel with road surface and/or irradiate away from the direction on road surface.
Alternatively, described liquid crystal cell divides multiple subelement, and the liquid crystal molecule of described driver module to each subelement deflects.
Another invents face, and the present invention also provides a kind of means of illumination, is applied to the lighting module of vehicle, and described lighting module comprises liquid backlight and is arranged on the liquid crystal cell of described backlight light emission side; Described means of illumination comprises:
Determine the lighting demand of vehicle;
According to the lighting demand determined, the liquid crystal molecule of described liquid crystal cell is driven to deflect.
Alternatively, determine the lighting demand of vehicle, comprising:
Obtain the motoring condition of described vehicle;
According to described motoring condition, determine the lighting demand of described vehicle.
Alternatively, described motoring condition comprises: the steering angle of vehicle; According to described motoring condition, determine the lighting demand of described vehicle, comprising: according to the steering angle of described vehicle, determine the illumination direction of described vehicle.
Alternatively, described motoring condition also comprises: the moving velocity of vehicle;
According to described motoring condition, determine the lighting demand of described vehicle, also comprise: according to the moving velocity of described vehicle, determine the illumination zone of described vehicle.
Alternatively, determine the lighting demand of vehicle, also comprise: obtain the road conditions in the driving process of vehicle; According to described road conditions, determine the lighting demand of described vehicle.
Alternatively, according to described road conditions, determine the lighting demand of described vehicle, comprising:
If the road surface that described road conditions indicate described vehicle to travel exists accumulated snow or ponding, then determine the described vehicle court direction parallel with road surface and/or irradiate away from the direction on road surface.
The beneficial effect of technique scheme of the present invention is as follows:
The present embodiment adopts liquid crystal indicator as the lighting module of vehicle, namely illumination equipment is made up of backlight and liquid crystal cell, by driving the liquid crystal deflecting element of liquid crystal cell, liquid crystal cell equivalence is become makes light carry out the prism reflected, thus the light controlling backlight throws light on by lighting demand.Compare traditional mechanical control method, the structure of the present embodiment is more simple, and faster to the speed of response of illumination, has very high practical value.
Accompanying drawing explanation
Fig. 1 is the configuration diagram of illumination equipment of the present invention;
Fig. 2 to Fig. 4 is the schematic diagram that illumination equipment of the present invention realizes Lighting control;
Fig. 5 is the structural representation of illumination equipment of the present invention.
Detailed description of the invention
For making the technical problem to be solved in the present invention, technical scheme and advantage clearly, be described in detail below in conjunction with the accompanying drawings and the specific embodiments.
The problem such as the present invention is directed to car light intelligent lighting unit construction load in prior art, cost is high, speed of response is slow, provides a kind of solution to put scheme.
On the one hand, as shown in Figure 1, embodiments of the invention provide a kind of illumination equipment, comprising:
Processing module 1, driver module 2 and lighting module 3;
Wherein, lighting module 3 comprises: backlight 31 and be arranged on the liquid crystal cell 32 of backlight 31 light emission side;
Wherein, processing module 1 is for determining the lighting demand of vehicle; The lighting demand of driver module 2 for determining according to this, drives the liquid crystal molecule in liquid crystal cell 32 to deflect, to change the light path of the light by liquid crystal cell 32.
Unlike the prior art, the present embodiment adopts liquid crystal indicator as the lighting module of vehicle, namely illumination equipment is made up of backlight and liquid crystal cell, by driving the liquid crystal deflecting element of liquid crystal cell, liquid crystal cell equivalence is become can make light carry out the prism reflected, thus control backlight throws light on by lighting demand.Compare traditional mechanical control method, the structure of the present embodiment is more simple, and the deflection of liquid crystal molecule can complete at Millisecond, and therefore speed of response is faster, has very high practical value.
In actual applications, the present embodiment can control car lighting, to adapt to the different traveling demand of chaufeur.Namely above-mentioned processing module comprises further:
Information setting unit, for preserving the corresponding relation of vehicle running state and illumination;
Information acquisition unit, for the motoring condition of collection vehicle;
Information comparing unit, for the motoring condition of vehicle that will collect, contrasts with the corresponding relation of the vehicle running state be saved in and car lighting, determines the lighting demand of described vehicle;
Information feedback unit, for the lighting demand of described vehicle that will determine, feeds back to described driver module.
Below in conjunction with different implementations, exemplary introduction is carried out to the control program of car lighting.
Implementation one
In the present embodiment one, specifically according to the steering angle of vehicle, determine the illumination direction of vehicle.
Wherein information acquisition unit can be rotation direction sensor, can the steering angle of Real-time Obtaining vehicle.
Information setting unit is for preserving the corresponding relation in vehicle steering angle and car lighting direction.Such as, vehicle left-handed turning to, then corresponding vehicle correspondence is thrown light on left; When the right left steering of vehicle, then vehicle correspondence is thrown light on to the right.In addition, different vehicle steering angle is also to there being different car lighting angles, and such as vehicle steering angle is larger, then the light angle to Vehicular turn deflection also can be larger; Otherwise vehicle steering angle is less, then the light angle to Vehicular turn deflection also can be less.
The steering angle that information comparing unit is current according to the vehicle got, the corresponding relation preserving vehicle steering angle and car lighting direction with information setting unit contrasts, and determines the illumination direction meeting the current steering angle of vehicle;
Afterwards, this illumination reverse feedback to driver module, makes driver module can control liquid crystal cell according to the illumination direction of feedback and deflects by information feedback unit.
With reference to figure 2, for vehicle left-handed turning to, driver module is after control liquid crystal deflecting element, liquid crystal cell equivalence forms the prism that incident ray can be allowed to reflect left, the light of backlight is after liquid crystal cell, the illumination direction corresponding according to Vehicular turn direction reflects, and meets the lighting demand in current driving procedure.
In sum, this implementation one, by the control to liquid crystal cell, enables the light of vehicle regulate according to the steering angle of vehicle in real time, thus ensure that the traffic safety of chaufeur to a certain extent.
Implementation two
In the present embodiment two, specifically according to the moving velocity of vehicle, determine the illumination zone of vehicle.
Namely information acquisition unit is specially speed sensor, can the moving velocity of Real-time Obtaining vehicle.
Information setting unit preserves the corresponding relation of Vehicle Speed and car lighting scope.Such as, Vehicle Speed is faster, corresponding larger illumination zone; Otherwise Vehicle Speed is less, then the illumination zone of vehicle is also less.
The moving velocity that information comparing unit is current according to the vehicle got, the corresponding relation of the Vehicle Speed of preserving with information setting unit and car lighting scope contrasts, and determines the illumination zone meeting the current moving velocity of vehicle;
Afterwards, the illumination zone determined is fed back to driver module by information feedback unit, makes driver module can control liquid crystal cell according to the illumination direction of feedback and deflects.
With reference to figure 3, driver module is after control liquid crystal deflecting element, and liquid crystal cell equivalence forms the prism that incident ray can be allowed outwards to reflect, and enables backlight expand illumination zone.
In actual applications, when vehicular drive speed, the illumination equipment of this implementation two then comformability expands the illumination zone of light, enables chaufeur notice the driving environment of surrounding, avoids unexpected generation.When vehicular drive speed is slower, then light can be made to return to normal illumination zone.
In addition, illumination equipment of the present invention can also carry out comformability adjustment according to the traveling road conditions of vehicle.Namely the processing module of the present embodiment also comprises:
Road condition acquiring unit, for the road conditions in the driving process of vehicle;
Processing unit, according to described road conditions, determines the lighting demand of described vehicle.
Below in conjunction with an implementation, exemplary introduction is carried out to the scheme controlling car lighting according to road conditions.
Implementation three
In the present embodiment three, according to the accumulated snow on road surface or ponding situation, the illumination direction of vehicle can be determined, namely, when road surface exists accumulated snow or ponding, the light that backlight irradiates earthward can be reduced, and then prevent the accumulated snow on ground or ponding by the light reflection of vehicle on chaufeur.
Wherein, road condition acquiring unit can be laser sensor, can launch earthward and receive the detection light of specific wavelength, if after the detection light launched is successfully received, then judge that road surface exists accumulated snow or ponding.Or road condition acquiring unit also can be that vehicle provides selectable driving model for driver, after user opens this driving model, then determines that road surface exists accumulated snow or ponding.
Post-processing unit determine now car lighting demand and be towards the direction parallel with road surface and/or irradiate away from the direction on road surface.
Finally by information feedback unit, this lighting demand is fed back to driver module, the liquid crystal molecule being controlled liquid crystal cell by driver module deflects, make liquid crystal cell equivalence formation prism as shown in Figure 4, allow backlight deflect through the incident ray of prism, penetrate to the direction parallel with road surface and/or away from the direction on road surface.
Particularly, in this implementation three, liquid crystal cell can be segmented multiple subelement further, driver module can deflect the liquid crystal molecule of each subelement respectively, makes liquid crystal cell equivalence become multiple prism.For Fig. 4, after determining that road surface exists accumulated snow or ponding, driver module can form down to controlling the subregional liquid crystal molecule equivalence of liquid crystal cell lower part the prism allowing light reflect downwards, and the subregional liquid crystal molecule of the liquid crystal cell first half then can not produce refraction to the light of backlight.
Here need to be described, above implementation only introduces for exemplary the several method that the present embodiment controls car lighting, as long as be the scheme being realized car lighting control by liquid crystal cell, all should be considered as protection scope of the present invention.
In addition, in concrete enforcement, illumination equipment of the present invention can as shown in Figure 5, comprise:
Sensor module, has multiple sensor, as car speed sensor, tachogen, can obtain different vehicles and exercise information and traffic information.
CAN, sends to processor module for the information obtained by sensor.
Processor module can be the central process unit of vehicle, according to the information determination car lighting demand of CAN transmission.
Driver module, according to processor module determination lighting demand, controls the power supply of liquid crystal cell, realizes liquid crystal deflecting element.
Lighting module, comprises each car light (such as going on a long journey lamp, fog lamp etc.) and the vehicle light power supply of vehicle.
In sum, the illuminator structure of the present embodiment is simple, cost is low, can realize Lighting control flexibly, rapidly.
In addition, embodiments of the invention also provide a kind of means of illumination, are applied to the lighting module of vehicle, and this lighting module comprises liquid backlight and is arranged on the liquid crystal cell of described backlight light emission side;
Wherein, means of illumination comprises:
Step 10, determines the lighting demand of vehicle;
Step 20, according to the lighting demand determined, drives the liquid crystal molecule of described liquid crystal cell to deflect.
Obviously, the means of illumination of the present embodiment is corresponding with illumination equipment of the present invention, therefore, it is possible to realize identical technique effect.
Particularly, the method for the present embodiment can according to the motoring condition of vehicle, and control car lighting, namely above-mentioned steps 10 comprises further:
Step 11, obtains the motoring condition of described vehicle;
Step 12, according to described motoring condition, determines the lighting demand of described vehicle.
Exemplarily property introduction, the motoring condition of the present embodiment can comprise: the steering angle of vehicle;
In above-mentioned steps 12, specifically according to the steering angle of described vehicle, the illumination direction of described vehicle can be determined.
Or the present embodiment motoring condition can also comprise: the moving velocity of vehicle;
In above-mentioned steps 12, specifically according to the moving velocity of described vehicle, determine the illumination zone of described vehicle.
In addition, in step 10 of the present invention, the road conditions in the driving process of vehicle can also be obtained further, and according to described road conditions, determine the lighting demand of described vehicle.
If the road surface that such as road conditions indicate described vehicle to travel exists accumulated snow or ponding, then determine the vehicle court direction parallel with road surface and/or irradiate away from the direction on road surface, thus preventing ground by the light reflection of vehicle to chaufeur, interference is driven.
The above is the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the prerequisite not departing from principle of the present invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (13)
1. an illumination equipment, is applied to vehicle, it is characterized in that, comprising:
Processing module, driver module and lighting module;
Described lighting module comprises: backlight and be arranged on the liquid crystal cell of described backlight light emission side;
Described processing module is for determining the lighting demand of vehicle;
Described driver module is used for according to the lighting demand determined, drives the liquid crystal molecule of described liquid crystal cell to deflect, to change the light path of the light by described liquid crystal cell.
2. illumination equipment according to claim 1, is characterized in that,
Described processing module comprises:
Information setting unit, for preserving the corresponding relation of vehicle running state and illumination;
Information acquisition unit, for the motoring condition of collection vehicle;
Information comparing unit, for the motoring condition of vehicle that will collect, contrasts with the corresponding relation of the vehicle running state be saved in and car lighting, determines the lighting demand of described vehicle;
Information feedback unit, for the lighting demand of described vehicle that will determine, feeds back to described driver module.
3. illumination equipment according to claim 2, is characterized in that,
Described information acquisition unit comprises: rotation direction sensor, for obtaining the steering angle of described vehicle;
Described information setting unit preserves the corresponding relation in vehicle steering angle and car lighting direction.
4. illumination equipment according to claim 2, is characterized in that, also comprises:
Described information acquisition unit also comprises: car speed sensor, for obtaining the moving velocity of described vehicle;
Described information setting unit preserves the corresponding relation of Vehicle Speed and car lighting scope.
5. illumination equipment according to claim 1, is characterized in that,
Described processing module also comprises:
Road condition acquiring unit, for the road conditions in the driving process of vehicle;
Processing unit, for according to described road conditions, determines the lighting demand of described vehicle.
6. illumination equipment according to claim 5, is characterized in that,
If the road surface that described road conditions indicate described vehicle to travel exists accumulated snow or ponding, then described processing unit determines that the lighting demand of described vehicle is: determine the vehicle court direction parallel with road surface and/or irradiate away from the direction on road surface.
7. illumination equipment according to claim 1, is characterized in that,
Described liquid crystal cell divides multiple subelement, and the liquid crystal molecule of described driver module to each subelement deflects.
8. a means of illumination, is applied to the lighting module of vehicle, it is characterized in that, described lighting module comprises liquid backlight and is arranged on the liquid crystal cell of described backlight light emission side;
Described means of illumination comprises:
Determine the lighting demand of vehicle;
According to the lighting demand determined, the liquid crystal molecule of described liquid crystal cell is driven to deflect.
9. means of illumination according to claim 8, is characterized in that,
Determine the lighting demand of vehicle, comprising:
Obtain the motoring condition of described vehicle;
According to described motoring condition, determine the lighting demand of described vehicle.
10. means of illumination according to claim 9, is characterized in that,
Described motoring condition comprises: the steering angle of vehicle;
According to described motoring condition, determine the lighting demand of described vehicle, comprising:
According to the steering angle of described vehicle, determine the illumination direction of described vehicle.
11. means of illuminations according to claim 9, is characterized in that,
Described motoring condition also comprises: the moving velocity of vehicle;
According to described motoring condition, determine the lighting demand of described vehicle, also comprise:
According to the moving velocity of described vehicle, determine the illumination zone of described vehicle.
12. means of illuminations according to claim 8, is characterized in that,
Determine the lighting demand of vehicle, also comprise:
Obtain the road conditions in the driving process of vehicle;
According to described road conditions, determine the lighting demand of described vehicle.
13. means of illuminations according to claim 12, is characterized in that,
According to described road conditions, determine the lighting demand of described vehicle, comprising:
If the road surface that described road conditions indicate described vehicle to travel exists accumulated snow or ponding, then determine the described vehicle court direction parallel with road surface and/or irradiate away from the direction on road surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201610007229.7A CN105564296A (en) | 2016-01-06 | 2016-01-06 | Illumination device and illumination method |
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| CN201610007229.7A CN105564296A (en) | 2016-01-06 | 2016-01-06 | Illumination device and illumination method |
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| CN201610007229.7A Pending CN105564296A (en) | 2016-01-06 | 2016-01-06 | Illumination device and illumination method |
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| CN110494326A (en) * | 2017-02-24 | 2019-11-22 | 兰斯维克托公司 | Headlamp beam control |
| CN110928103A (en) * | 2019-06-14 | 2020-03-27 | 友达光电股份有限公司 | Lighting module, lighting device, vehicle, and method for driving lighting device |
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Application publication date: 20160511 |