CN102026461B - Automobile light control device - Google Patents
Automobile light control device Download PDFInfo
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- CN102026461B CN102026461B CN 201010179249 CN201010179249A CN102026461B CN 102026461 B CN102026461 B CN 102026461B CN 201010179249 CN201010179249 CN 201010179249 CN 201010179249 A CN201010179249 A CN 201010179249A CN 102026461 B CN102026461 B CN 102026461B
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Abstract
The invention discloses an automobile light control device, which comprises a plurality of first ambient light sensors, a controller, a first control module and a first lighting load driver, wherein the first ambient light sensors are arranged on an automobile for sensing the ambient light in the automobile; the control device is provided with the first control module which is used for processing the illuminance detected by the plurality of first ambient light sensors and calculating the data on the total illuminance in the automobile; the input end of the first control module is connected with the plurality of first ambient light sensors through signals; the first lighting load driver is used for driving a lighting load in the automobile, and the input end of the first lighting load driver and the output end of the first control module are connected under control; and the first ambient light sensors are digital ambient light sensors which can only sense visible light with wavelength ranging from 380 to 770 nanometers. The automobile light control device provided by the invention can be used to control light manually or automatically and remind a user of turning on or off of a lighting load in a certain environment for improving the safety, intelligence and comfort of the automobile.
Description
Technical field
The present invention relates to a kind of vehicle lights control device, particularly remind the user to open or close the device of direction indicator lamp and warning lamp for the brightness of regulating room light lamp, reading lamp, backlight and decorative lamp and under specific environment.
Background technology
Along with the continuous increase of automobile demand, people require also to improve constantly to convenience and the comfortableness that automobile uses.Existing automotive trim light is regulated, and is mainly regulated by hand switch, and most of automobile is only controlled the break-make of automotive trim lamp, and the minority automobile inside has hand control switch to regulate car interior trim lamp lamplight brightness.The switch that the brightness of manual adjustments interior trim lamp is housed can not be regulated lamplight brightness automatically with the variation of environment, and the brightness that the user must manual adjustments light to be adapting to the optimum visual demand of oneself, thereby brings certain trouble to the user.Therefore people attempt automotive trim lamp automatic brightness regulating device is researched and developed, existing utility model name is called " light-operated modulator ", and (Granted publication number is CN201114961Y, Granted publication day is on September 10th, 2008) Chinese patent provide a kind of by common photo resistance or photodiode, the light-operated light modulating device that triode and voltage sample unit are formed, variation according to light-sensitive element testing environment light intensity realizes automatic regulating load bulb brightness, but with photo resistance, photodiode or phototriode are as the ambient visible light transducer, sensitive and accurate and be subject to the influence of non-visible light inadequately to intensity variations, be difficult to level and smooth adjusting lamplight brightness, and can not accurately regulate lamplight brightness and watch scope to satisfying human eye when the best of anterior optic.Therefore security performance and the serviceability of the automobile-used interior trim Light Control Unit in the existing technology are still undesirable.
In addition, automobile embarkation lamp light be to rely on the driver to control basically as headlight, direction indicator lamp, warning lamp, but sometimes the driver can be forgotten unlatching or close headlight, direction indicator lamp, warning lamp, brings hidden danger to traffic safety at present.Though have some high-grade cars to be provided with the device that the dependence ambient light is controlled headlight at present, its direction indicator lamp and warning lamp still need the driver to control.
Summary of the invention
One of technical problem to be solved by this invention is to provide a kind of and manually and automatically controls automotive trim light in the vehicle lights control device of one, and this device can be controlled the open and close of automotive trim light according to the light of environment inside car.
Two of technical problem to be solved by this invention be to provide a kind of can be according to the transport condition of automobile, detect the operating state of headlight, direction indicator lamp, warning lamp, remind the driver to close and open the vehicle lights control device of headlight, direction indicator lamp, warning lamp.
In order to solve above-mentioned technical problem, technical scheme of the present invention is as follows:
A kind of vehicle lights control device comprises:
Some first environment optical sensors in order to perception environment inside car light are set onboard;
One control device, this control device have for the treatment of the detected illuminance of some first environment optical sensors and calculate first control module of total illumination data in the car; The input of this first control module is connected with described some first environment photosensor signal;
In order to drive the first lighting load driver of room light load, the input of this first lighting load driver and the output control connection of described first control module;
It is characterized in that described first environment optical sensor is for only responding to the digital ambient light sensor of the visible light in 380nm to the 770nm wave-length coverage.
The illuminance En of first environment optical sensor of the present invention is calculated by following formula:
En＝RANGE*(DATA/2
16)
Wherein: RANGE is the illumination photometry scope of first environment optical sensor, and value is 1000,4000,16000 or 64,000 four grades;
The numerical value of DATA for reading from the first environment optical sensor, maximum is 2
16
Total illumination E is calculated and is got by following formula and condition in the described car:
E＝(E
1+E
2+…+E
n)/N
N=n in the formula, E
1, E
2..., E
nBe the illuminance of each first environment optical sensor,
Its design conditions are: before the total illuminance E, judge each first environment optical sensor E earlier in calculating car
nValue, if the E of any two first environment optical sensors
nDifference is then cast out resampling again greater than RANGE/32, if less than RANGE/32, this data acquisition is effective, and then by formula (1) calculates total illuminance E in the car.
First environment optical sensor of the present invention is two, and one is arranged on the interior front panel console of car, and another is arranged on the roof.
The present invention comprises that also one switches switch, and described diverter switch is connected with the control end of first control module of described control device, in order to realize the conversion between the described first control module lamplight brightness manual adjustments pattern and the light adjusting pattern automatically.
The present invention is connected in series one first potentiometer between the input of the output of described first control module and the first lighting load driver, in order to the coefficient of room light load brightness to be set under light adjusting pattern automatically.
The present invention also comprises one second potentiometer, and described second potentiometer is connected with the input of described first control module, in order to the brightness in control under the lamplight brightness manual adjustments pattern and the described room light load of fine setting under automatic adjusting pattern.
The present invention comprises that also memory arranges switch and memory, described memory arranges switch and memory and is connected with first control module in the described control device, described memory arranges switch and comprises that 2 memory switchs and one arrange switch, switch wherein is set can be arranged room light load lamp brightness, and 2 memory switchs are remembered a user respectively to the setting of room light load lamp brightness; Described memory is in order to the user that stores 2 memory switchs and the remember data that arrange to room light load lamp brightness.
The present invention also comprises the second environment optical sensor, is positioned at second control module of control device, in order to detect the three-dimensional acceleration transducer of vehicle X-axis, Y-axis, three directional accelerations of Z axle, in order to drive the second lighting load driver of the outer lighting load of car; Described second environment optical sensor is arranged on the front windshield place also toward the outer side, this second environment optical sensor is connected with the input of three-dimensional acceleration transducer with second control module, three directional acceleration data of vehicle X-axis, Y-axis, Z axle that second control module detects for the treatment of the detected illuminance data of second environment optical sensor and three-dimensional acceleration transducer; The output control connection of the input of the described second lighting load driver and described second control module; Described second environment optical sensor is for only responding to the digital ambient light sensor of the visible light in 380nm to the 770nm wave-length coverage.
The illuminance En of second environment optical sensor of the present invention is calculated by following formula:
En＝RANGE*(DATA/2
16)
Wherein: RANGE is the illumination photometry scope of second environment optical sensor, and value is 1000,4000,16000 or 64,000 four grades;
The numerical value of DATA for reading from the second environment optical sensor, maximum is 2
16
The present invention's second control module is provided with interface circuit, and the outer lighting load of described car is provided with the on off state transducer that opens and closes in order to the outer lighting load of inspection vehicle, and wherein the input of interface circuit is connected with the second switch state sensor.
The present invention also comprises voice cue module and segment encode display, and described voice cue module is connected with the output of segment encode display with described second control module.
Control device of the present invention also is included as the power module of first control module and the power supply of second control module.
Room light load of the present invention includes but not limited to room light lamp, reading lamp, backlight, warning light and decorative lamp.
The outer lighting load of car of the present invention includes but not limited to headlight for vehicles, direction indicator lamp and warning lamp.
Described three-dimensional acceleration transducer is micro electronmechanical numeric type acceleration transducer.
Advantage of the present invention is: 1, the ambient visible light transducer is easy to arrange, and the respond that ambient visible light is changed and people's eyes are similar to the reacting condition of light, and is highly sensitive, distortion is little; But 2 automated intelligents are regulated the inside and outside lamplight brightness of car, reach and both are satisfied with the brightness range that human eye is watched the most comfortable, satisfy purpose of energy saving again; 3, both can regulate lamplight brightness automatically, but also manual adjustments lamplight brightness, and also can finely tune lamplight brightness by potentiometer when regulating automatically; 4, have the switch that memory function arranges, can remember two users' the brightness setting to various interior trim lamps in the car; 5, the light prompting that has under specific environment opens or closes function; 6, improve fail safe and the comfortableness of driving.
Description of drawings
Fig. 1 is the electric theory diagram of the embodiment of the invention 1.
Fig. 2 is the electric theory diagram of the embodiment of the invention 2.
Fig. 3 is that the arranged direction of three-dimensional acceleration transducer of the present invention in car set figure.
The ambient visible light transducer that Fig. 4 uses for the present invention and people's eyes are to the comparison diagram of the respond of the light of different wave length.
Embodiment
For technological means, creation characteristic that the present invention is realized, reach purpose and effect is easy to understand, below in conjunction with concrete diagram, further set forth the present invention.
Vehicle lights control device as shown in Figure 1, its control device 100 are made up of as core microcontroller, for detection of the signal of system input with to the real-time control of output.This control device 100 comprises control module 110 and power module 120, and power module 120 is control module 110 power supplies.This vehicle lights control device adopts two ambient visible light transducers 210,220 accurately to measure the interior illuminance of car, and wherein ambient visible light transducer 210 is arranged on the interior front panel console of car, and ambient visible light transducer 220 is arranged on the roof.
Ambient visible light transducer 210 and 220 is digital visible light sensor, and it can effectively weaken or avoid the interference of non-visible light ray like this to the visible light sensitivity in 380nm to the 770nm wave-length coverage.Referring to Fig. 4, the ambient visible light transducer 210 that the present invention uses and 220 and people's eyes to the contrast of the respond of the light of different wave length.25 is that the ambient visible light transducer is to the response curve of different wavelengths of light among the figure, 26 is that people's eyes are to the response curve of different wavelengths of light, this shows ambient visible light transducer 210 and 220 selected only very approximate to the reacting condition ability of visible light to the visible light sensitive sensor in 380nm to the 770nm wave-length coverage and people's eyes, can guarantee the accuracy to the detection of environment inside car light.
The vehicle lights control device of present embodiment also has one and switches switch 300, this diverter switch 300 is connected with the control end of the control module 110 of control device 100, in order to realize the conversion between control module 110 lamplight brightness manual adjustments patterns and the light adjusting pattern automatically.When the vehicle lights control device of present embodiment begins to switch on work, be defaulted as light and regulate pattern automatically, trigger a diverter switch 300 and can switch to lamplight brightness manual adjustments pattern.If the vehicle lights control device is under the lamplight brightness manual adjustments pattern, can switches to light and regulate pattern automatically by triggering a diverter switch 300.
In the vehicle lights control device of present embodiment, the output of its control module 110 connects first potentiometer 400, in order to the coefficient of room light load brightness to be set under light adjusting pattern automatically.The output termination one lighting load driver 500 of first potentiometer 400, the output termination room light load of lighting load driver 500 is as room light lamp 610, reading lamp 620, backlight 630, warning light 640 and decorative lamp 650.Certainly also be not limited to these.
In the vehicle lights control device of present embodiment, the input of its control module 110 also connects a potentiometer 410, in order to the brightness of control room light load under lamplight brightness manual adjustments pattern.Potentiometer 410 is a rotary current potential meter.
Each user has different hobbies to body light light, the vehicle lights control device of present embodiment arranges switch 710 and memory 720 realizes that the user is to the setting of room light load lamp brightness by setting up a memory for this reason, wherein memory arranges switch 710 and comprises that 2 memory switchs and one arrange switch, switch is set can be arranged room light load lamp brightness, after setting, by triggering one of them memory switch, set parameter is remembered, and memory 720 is to store the parameter of remembering that arranges.When the user into the car after, trigger a memory switch 710, control module 110 just can be called the parameter that arranges of storing from memory 720, and room light lamp 610, reading lamp 620, backlight 630, warning light 640 and the decorative lamp 650 in the car just can be under the set operating state of user under control module 110 controls.The memory of present embodiment is serial storage.
For the acquisition method of illuminance in the present embodiment clearly is described, be example illustrated with ambient visible light transducer 210 and 220.Wherein the illuminance that detects for ambient visible light transducer 210 is designated as E
1, the illuminance that ambient visible light transducer 220 detects is designated as E
2
At first ask the illuminance E of single environment visible light optical sensor
n:
En＝RANGE*(DATA/2
16)……………………<1>
＜1〉in the formula, the numerical value of DATA--for reading from the ambient visible light transducer, its maximum is 2
16RANGE--is the illumination photometry scope of this ambient visible light transducer, may be selected to be 1000,4000,16000 or 64,000 four grades, and n is 1 and 2.
Illuminance total in the car is designated as E, in calculating car, before the total illuminance E, judges each first environment optical sensor E earlier
nValue, if the E of any two first environment optical sensors
nDifference is then cast out resampling again greater than RANGE/32, if less than RANGE/32, this data acquisition is effective, and then by formula (1) calculates total illuminance E in the car:
E＝(E
1+E
2)/2…………………………<2>。
Be in closed condition with room light lamp 610, reading lamp 620, warning light 640 and decorative lamp 650 below, but and backlight 630 is in state of a control is the operation principle that example illustrates present embodiment vehicle lights control device.
When the enough users of the environmental light brightness in the car watch, backlight 630 in the car is in closed condition, environment inside car optical sensor 210 and 220 is the interior environmental light brightness of inspection vehicle continuously, in case detecting the environment inside car brightness is reduced to when being unfavorable for that the user watches, will open the backlight 630 in the car, and regulate the brightness range that the brightness of the backlight 630 in the car is watched to suitable user's the best according to current environmental light brightness automatically.
Environmental light brightness in car is not enough to the user and watches, and when the backlight 630 in the car is in open mode, environment inside car the visible light sensor 210 and 220 interior environmental light brightness of inspection vehicle continuously also inputs to control module 110 with the data that detect in real time, control module 110 is according to above-mentioned formula＜1〉and formula＜2 the interior illuminance of calculating car, and whether the brightness of judging the backlight 630 under the current environment light still is in the brightness range that user's the best is watched, then keep the brightness of the backlight 630 in the car constant if satisfy, if the brightness range that the satisfied brightness that then can recomputate and change the backlight 630 in the car is watched to new suitable user's the best.If the user thinks that the brightness of control module 110 self-regulating backlights 630 is not suitable for the scope of watching of oneself, can finely tune by the sensitivity of 410 pairs of devices of operation potentiometer, increase or reduce the brightness of backlight 630.After this, control module 110 can memory be lived current fine setting amplitude, after the lamplight brightness adjustment in add this fine setting amplitude automatically.
When the vehicle lights control device of present embodiment is in manual state, environmental light brightness group in car is when all the user watches, backlight 630 in the car is in closed condition, when the environment inside car brightness is reduced to when being unfavorable for that the user watches, the user understands the backlight 630 in the manual unlocking car.
When backlight 630 was in open mode, the user can directly regulate by potentiometer 410, to increase or to reduce lamplight brightness, touches lighting load driver 500 the suitable brightness of watching is transferred in the brightness of backlight 630.
When this device was in the manual work state, the user can remember the brightness setting of two groups of room light loads by being used one group of memory switch 710 and 410 pairs of devices of second potentiometer are operated, and directly calls for two users.Concrete operation method is: the user at first clicks switch is set, can regulate by the brightness of 410 pairs of backlights 630 of second potentiometer then, after regulating, click a memory switch, control module 110 should be organized the monochrome information memory in serial storage 720, after this user can directly press this memory switch and call, and backlight 630 is thrown light on according to preset brightness.
Embodiment 2
Vehicle lights control device as shown in Figure 2, its control device 100 are made up of as core microcontroller, for detection of the signal of system input with to the real-time control of output.This control device 100 comprises control module 110,130 and power module 120, and power module 120 is control module 110 and 130 power supplies.Control module 110 and 130 comprises an interface circuit 111 and 131 respectively.This vehicle lights control device adopts two ambient visible light transducers 210,220 accurately to measure the interior illuminance of car, the illuminance that ambient visible light transducer 230 accurate inspection vehicles are outer.Wherein ambient visible light transducer 210 is arranged on the interior front panel console of car, and ambient visible light transducer 220 is arranged on the roof, and ambient visible light transducer 230 is arranged on the front windshield place also toward the outer side.
Ambient visible light transducer 210,220,230 is digital visible light sensor, and it can effectively weaken or avoid the interference of non-visible light ray like this to the visible light sensitivity in 380nm to the 770nm wave-length coverage.Referring to Fig. 4, the ambient visible light transducer 210,220 that the present invention uses, 230 and people's eyes to the contrast of the respond of the light of different wave length.25 is that the ambient visible light transducer is to the response curve of different wavelengths of light among the figure, 26 is that people's eyes are to the response curve of different wavelengths of light, this shows ambient visible light transducer 210,220,230 selected only very approximate to the reacting condition ability of visible light to the visible light sensitive sensor in 380nm to the 770nm wave-length coverage and people's eyes, can guarantee the accuracy to the detection of environment inside car light.
The vehicle lights control device of present embodiment also has one and switches switch 300, this diverter switch 300 is connected with the control end of first control module 110 of control device 100, in order to realize the conversion between first control module, 110 lamplight brightness manual adjustments patterns and the light adjusting pattern automatically.When the vehicle lights control device of present embodiment begins to switch on work, be defaulted as light and regulate pattern automatically, trigger a diverter switch 300 and can switch to lamplight brightness manual adjustments pattern.If the vehicle lights control device is under the lamplight brightness manual adjustments pattern, can switches to light and regulate pattern automatically by triggering a diverter switch 300.
In the vehicle lights control device of present embodiment, the output of its control module 110 connects one first potentiometer 400, in order to the fine setting coefficient of room light load brightness to be set under light adjusting pattern automatically.The output termination one lighting load driver 500 of first potentiometer 400, the output termination room light load of lighting load driver 500 is as room light lamp 610, reading lamp 620, backlight 630, warning light 640 and decorative lamp 650.Certainly also be not limited to these.
In the vehicle lights control device of present embodiment, the input of its control module 110 also connects a potentiometer 410, in order to the brightness of control room light load under lamplight brightness manual adjustments pattern.Potentiometer 410 is a rotary current potential meter.
Each user has different hobbies to body light light, the vehicle lights control device of present embodiment arranges switch 710 and memory 720 realizes that the user is to the setting of room light load lamp brightness by setting up a memory for this reason, wherein memory arranges switch 710 and comprises that 2 memory switchs and one arrange switch, switch is set can be arranged room light load lamp brightness, after setting, by triggering one of them memory switch, set parameter is remembered, and memory 720 is to store the parameter of remembering that arranges.When the user into the car after, trigger a memory switch 710, control module 110 just can be called the parameter that arranges of storing from memory 720, and room light lamp 610, reading lamp 620, backlight 630, warning light 640 and the decorative lamp 650 in the car just can be under the set operating state of user under control module 110 controls.The memory of present embodiment is serial storage.
For the acquisition method of illuminance in the present embodiment clearly is described, be example illustrated with ambient visible light transducer 210,220,230.Wherein the illuminance that detects for ambient visible light transducer 210 is designated as E
1, the illuminance that ambient visible light transducer 220 detects is designated as E
2, the illuminance that ambient visible light transducer 220 detects is designated as E
3
At first ask the illuminance E of single environment visible light optical sensor
n:
En＝RANGE*(DATA/2
16)………………<1>
＜1〉in the formula, the numerical value of DATA--for reading from the ambient visible light transducer, its maximum is 2
16RANGE--is the illumination photometry scope of this ambient visible light transducer, may be selected to be 1000,4000,16000 or 64,000 four grades.N is 1,2 and 3
Illuminance total in the car is designated as E, in calculating car before the total illuminance E, in calculating car, before the total illuminance E, judges each first environment optical sensor E earlier
nValue, if the E of any two first environment optical sensors
nDifference is then cast out resampling again greater than RANGE/32, if less than RANGE/32, this data acquisition is effective, and then by formula (1) calculates total illuminance E in the car:
E＝(E
1+E
2)/2………………………….<2>。
Be in closed condition with room light lamp 610, reading lamp 620, warning light 640 and decorative lamp 650 below, but and backlight 630 is in state of a control is that example illustrates the present embodiment vehicle lights control device operation principle that load is controlled to room light.
When the enough users of the environmental light brightness in the car watch, backlight 630 in the car is in closed condition, environment inside car optical sensor 210 and 220 is the interior environmental light brightness of inspection vehicle continuously, in case detecting the environment inside car brightness is reduced to when being unfavorable for that the user watches, will open the backlight 630 in the car, and regulate the brightness range that the brightness of the backlight 630 in the car in the car is watched to suitable user's the best automatically according to current environmental light brightness.
Environmental light brightness in car is not enough to the user and watches, and when the backlight 630 in the car in the car is in open mode, environment inside car the visible light sensor 210 and 220 interior environmental light brightness of inspection vehicle continuously also inputs to control module 110 with the data that detect in real time, control module 110 is according to above-mentioned formula＜1〉and formula＜2 the interior illuminance of calculating car, and whether the brightness of judging the backlight 630 under the current environment light still is in the brightness range that user's the best is watched, then keep the brightness of the backlight 630 in the car constant if satisfy, if the brightness range that the satisfied brightness that then can recomputate and change the backlight 630 in the car is watched to new suitable user's the best.If the user thinks that the brightness of control module 110 self-regulating backlights 630 is not suitable for the scope of watching of oneself, can finely tune by the sensitivity of 410 pairs of devices of operation potentiometer, increase or reduce the brightness of backlight 630.After this, control module 110 can memory be lived current fine setting amplitude, after the lamplight brightness adjustment in add this fine setting amplitude automatically.
When the vehicle lights control device of present embodiment is in manual state, environmental light brightness group in car is when all the user watches, backlight 630 in the car is in closed condition, when the environment inside car brightness is reduced to when being unfavorable for that the user watches, the user understands the backlight 630 in the manual unlocking car.
When backlight 630 was in open mode, the user can directly regulate by potentiometer 410, to increase or to reduce lamplight brightness, touches lighting load driver 500 the suitable brightness of watching is transferred in the brightness of backlight 630.
When this device was in the manual work state, the user can remember the brightness setting of two groups of room light loads by being used one group of memory switch 710 and 410 pairs of devices of second potentiometer are operated, and directly calls for two users.Concrete operation method is: the user at first clicks switch is set, can regulate by the brightness of 410 pairs of backlights 630 of second potentiometer then, after regulating, click a memory switch, control module 110 should be organized the monochrome information memory in serial storage 720, after this user can directly press this memory switch and call, and backlight 630 is thrown light on according to preset brightness.
The vehicle lights control device of present embodiment also has in order to detect the three-dimensional acceleration transducer 800 of vehicle X-axis, Y-axis, three directional accelerations of Z axle, in order to drive lighting load driver 510 and voice cue module 910 and the segment encode display 920 of the outer lighting load of car.Wherein three-dimensional acceleration transducer 800 is connected with the input of ambient visible light transducer 230 with control module 130, lighting load driver 510 and voice cue module 910 are connected with the output of segment encode display 920 with control module 13, the outer lighting load of car is connected with the output of lighting load driver 510, the outer lighting load of car is headlight for vehicles 660, direction indicator lamp 670 and warning lamp 680, also is not limited to these certainly.Three-dimensional acceleration transducer 800 is a kind of micro electronmechanical numeric type acceleration transducers, can detect the acceleration (referring to Fig. 3) of X-axis, Y-axis, three directions of Z axle.Voice cue module 910 and segment encode display 920 are used under the situation of needs, and the user is sent voice and picture and text prompting.
On off state transducer 661,671,681 all is installed on the lighting load outside these cars, and on off state transducer 661,671,681 opens and closes signal with detected headlight for vehicles 660, direction indicator lamp 670 and warning lamp 680 respectively and is transferred to control module 130 processing by interface circuit 131.
Control method to headlight for vehicles 660 controls is: control module 130 is gathered the illuminance value of ambient visible light transducer 230 in real time, after ambient light illumination outside detecting car is low to moderate certain threshold values, whether control module 130 is obtained headlight for vehicles 660 by interface circuit 131 and is opened, if do not open, control module 130 can control voice cue module 910 and segment encode display 920 sends voice and picture and text prompting user opens headlight for vehicles 660, to guarantee traffic safety; Ambient light illumination outside detecting car is higher than a certain threshold values, when enough users drive, control module 130 gets access to headlight for vehicles 660 when being in open mode by interface circuit 131, control module 130 can control voice cue module 910 and segment encode display 920 sends voice and picture and text prompting user closing automobile headlight 660, to save the energy.
Control method to tailstock warning lamp 680 and direction indicator lamp 670: control module 130 is gathered the accekeration of three-dimensional acceleration transducer 800 in real time, when the accekeration of Y-axis takes place to change rapidly, accident such as brake or collision rapidly takes place in i.e. explanation, control module 130 can control voice cue module 910 and segment encode display 920 sends voice and picture and text prompting user opens warning lamp 680, prevents traffic accident generations such as follow-up vehicle rear-end collision; In the acceleration direction is in I quadrant (between X forward and the Y forward) or II quadrant (between X forward and the Y negative sense), and during greater than certain threshold values, control module 130 can judge that the user has carried out fast steering, and detect the user by interface circuit 131 and before turning to, whether open direction indicator lamp 670, if open then and can not do any warning, then can not control voice cue module 910 and segment encode display 920 sends voice and picture and text prompting user opens direction indicator lamp 670 if open.
A kind of vehicle lights control device of the present invention not only is applied to the brilliance control to automotive trim switch backlight, instrument backlight, illumination, decorative lamp, realized that also the prompting to automobile exterior headlight, direction indicator lamp and warning lamp is controlled under the situation of needs, to increase user's traffic safety.
More than show and described basic principle of the present invention and principal character and advantage of the present invention.The technical staff of the industry should understand; the present invention is not restricted to the described embodiments; that describes in above-described embodiment and the specification just illustrates principle of the present invention; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications; these changes and improvements all fall in the claimed scope of the invention, and the claimed scope of the present invention is defined by appending claims and equivalent thereof.
Claims (15)
1. a vehicle lights control device is characterized in that, comprising:
Some first environment optical sensors in order to perception environment inside car light are set onboard;
One control device, this control device have for the treatment of the detected illuminance of some first environment optical sensors and calculate first control module of total illumination data in the car; The input of this first control module is connected with described some first environment photosensor signal, is used for calculating the illuminance that the first environment light sensors arrives, and regulates closing, open and brightness of room light according to the illuminance that calculates;
In order to drive the first lighting load driver of room light load, the input of this first lighting load driver and the output control connection of described first control module;
It is characterized in that described first environment optical sensor is for only responding to the digital ambient light sensor of the visible light in 380nm to the 770nm wave-length coverage;
The illuminance En of described first environment optical sensor is calculated by following formula:
En=RANGE*（DATA/2
16）
Wherein: RANGE is the illumination photometry scope of first environment optical sensor, and value is 1000,4000,16000 or 64,000 four grades;
The numerical value of DATA for reading from the first environment optical sensor, maximum is 2
16
2. vehicle lights control device as claimed in claim 1 is characterized in that, total illumination E is calculated and got by following formula and condition in the described car:
E=(E
1+E
2+…+E
n)/N
N=n in the formula, E
1, E
2..., E
nBe the illuminance of each first environment optical sensor,
Its design conditions are: before the total illuminance E, judge each first environment optical sensor E earlier in calculating car
nValue, if the E of any two first environment optical sensors
nDifference is then cast out resampling again greater than RANGE/32, if less than RANGE/32, thinks that data are effective, then by formula calculates total illuminance E in the car.
3. vehicle lights control device as claimed in claim 2 is characterized in that, described first environment optical sensor is two, and one is arranged on the interior front panel console of car, and another is arranged on the roof.
4. as the described vehicle lights control device of each claim of claim 1 to 3, it is characterized in that, comprise that also one switches switch, described diverter switch is connected with the control end of first control module of described control device, in order to realize the conversion between the described first control module lamplight brightness manual adjustments pattern and the light adjusting pattern automatically.
5. vehicle lights control device as claimed in claim 4, it is characterized in that, the present invention is connected in series first potentiometer between the input of the output of described first control module and the first lighting load driver, in order to the coefficient of room light load brightness to be set under light adjusting pattern automatically.
6. vehicle lights control device as claimed in claim 5, it is characterized in that, also comprise one second potentiometer, described second potentiometer is connected with the input of described first control module, in order to the brightness in control under the lamplight brightness manual adjustments pattern and the described room light load of fine setting under automatic adjusting pattern.
7. vehicle lights control device as claimed in claim 6, it is characterized in that, comprise that also memory arranges switch and memory, described memory arranges switch and memory and is connected with first control module in the described control device, described memory arranges switch and comprises that 2 memory switchs and one arrange switch, switch wherein is set can be arranged room light load lamp brightness, and 2 memory switchs are remembered a user respectively to the setting of room light load lamp brightness; Described memory is in order to the user that stores 2 memory switchs and the remember data that arrange to room light load lamp brightness.
8. vehicle lights control device as claimed in claim 7, it is characterized in that, also comprise the second environment optical sensor, be positioned at second control module of control device, in order to detect the three-dimensional acceleration transducer of vehicle X-axis, Y-axis, three directional accelerations of Z axle, in order to drive the second lighting load driver of the outer lighting load of car; Described second environment optical sensor is arranged on the front windshield place also toward the outer side, this second environment optical sensor is connected with the input of three-dimensional acceleration transducer with second control module, three directional acceleration data of vehicle X-axis, Y-axis, Z axle that second control module detects for the treatment of the detected illuminance data of second environment optical sensor and three-dimensional acceleration transducer; The output control connection of the input of the described second lighting load driver and described second control module; Described second environment optical sensor is for only responding to the digital ambient light sensor of the visible light in 380nm to the 770nm wave-length coverage.
9. vehicle lights control device as claimed in claim 8 is characterized in that, the illuminance En of described second environment optical sensor is calculated by following formula:
En=RANGE*（DATA/2
16）
Wherein: RANGE is the illumination photometry scope of second environment optical sensor, and value is 1000,4000,16000 or 64,000 four grades;
The numerical value of DATA for reading from the second environment optical sensor, maximum is 2
16
10. vehicle lights control device as claimed in claim 9, it is characterized in that, described second control module is provided with interface circuit, the outer lighting load of described car is provided with the on off state transducer that opens and closes in order to the outer lighting load of inspection vehicle, and wherein the input of interface circuit is connected with the on off state transducer.
11. vehicle lights control device as claimed in claim 10 is characterized in that, also comprises voice cue module and segment encode display, described voice cue module is connected with the output of segment encode display with second control module.
12. vehicle lights control device as claimed in claim 11 is characterized in that, described control device also is included as the power module of first control module and the power supply of second control module.
13. vehicle lights control device as claimed in claim 11 is characterized in that, described room light load comprises room light lamp, reading lamp, backlight, warning light and decorative lamp.
14. vehicle lights control device as claimed in claim 13 is characterized in that, the outer lighting load of described car comprises headlight for vehicles, direction indicator lamp and warning lamp.
15. vehicle lights control device as claimed in claim 14 is characterized in that, described three-dimensional acceleration transducer is micro electronmechanical numeric type acceleration transducer.
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| CN 201010179249 CN102026461B (en) | 2010-05-20 | 2010-05-20 | Automobile light control device |
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| CN 201010179249 CN102026461B (en) | 2010-05-20 | 2010-05-20 | Automobile light control device |
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| TWI582576B (en) * | 2012-11-09 | 2017-05-11 | 和碩聯合科技股份有限公司 | An electronic apparatus and power saving method thereof |
| KR101565344B1 (en) * | 2013-12-13 | 2015-11-03 | 현대자동차주식회사 | A vehicle interconnection terminal illumination control system and a control method |
| CN103851504A (en) * | 2014-01-20 | 2014-06-11 | 南通苏禾车灯配件有限公司 | Vehicle reading lamp with self-adaptive brightness adjustment function |
| CN104986101B (en) * | 2015-06-18 | 2017-12-12 | 奇瑞汽车股份有限公司 | Vehicle room lamp control system and its control method |
| CN105307349A (en) * | 2015-11-16 | 2016-02-03 | 华晨汽车集团控股有限公司 | Indicator lamp brightness adjusting mechanism for automotive switch |
| CN105282945B (en) * | 2015-11-26 | 2017-08-25 | 上海斐讯数据通信技术有限公司 | The control method and control system of a kind of intelligent lighting |
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| JP6489084B2 (en) * | 2016-08-10 | 2019-03-27 | トヨタ自動車株式会社 | Automated driving system |
| CN106535416A (en) * | 2016-12-23 | 2017-03-22 | 鹿为柱 | Interior and exterior light control system |
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| CN108638959B (en) * | 2018-05-11 | 2024-03-26 | 浙江吉利控股集团有限公司 | Backlight control method, backlight control system and vehicle |
| CN110641358A (en) * | 2018-06-26 | 2020-01-03 | 上海博泰悦臻网络技术服务有限公司 | Vehicle, vehicle-mounted equipment and vehicle-mounted light control method based on scene information |
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