CN104442545A - LED automotive lamp capable of preventing high beam - Google Patents
LED automotive lamp capable of preventing high beam Download PDFInfo
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- CN104442545A CN104442545A CN201410626437.6A CN201410626437A CN104442545A CN 104442545 A CN104442545 A CN 104442545A CN 201410626437 A CN201410626437 A CN 201410626437A CN 104442545 A CN104442545 A CN 104442545A
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- high beam
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Abstract
The invention discloses an LED automotive lamp capable of preventing a high beam. The LED automotive lamp capable of preventing the high beam comprises a high beam sensor, a mode switch, a controller, a high beam and low beam switching device, a brightness adjusting device and an LED automotive lamp body, wherein the high beam sensor and the mode switch are connected with the controller, the controller is connected with the LED automotive lamp body through the high beam and low beam switching device, and the controller is connected with the LED automotive body through the brightness adjusting device. The LED automotive lamp is composed of a plurality of LED point light sources, a high beam and a low beam are arranged independently, and switching between the automatic mode and the manual mode can be achieved through the mode switch; in the automatic mode, the high beam sensor can sense that the high beam is adopted by another automobile during meeting, the high beam of the automobile is turned off and the low beam of the automobile is turn on through the controller, the brightness of an automotive lamp on the left side is reduced, the brightness of an automotive lamp on the right side is increased, and the automobile travels normally by turning on the high beam after meeting. The LED automotive lamp capable of preventing the high beam has the advantages that control is easy, using is convenient, and the application range is wide.
Description
Technical field
The present invention relates to the technical fields such as semiconductor lighting, application of electronic technology and Based Intelligent Control, the particularly anti-distance light LED car lamp of one.
Background technology
The head lamp of passing light formed automobile together with country beam, also claims head light, head lamp, is the eyes of automobile, is the necessary of night travel, is the core component of full car light.During night travel, because available light is poor, throw light on not good, cause chaufeur to observe difficulty.Compared with passing light, the light ray parallel injection of country beam, light is concentrated and brightness is comparatively large, and can shine higher farther object, the sight line for night driving person is very helpful.But the phenomenon of abuse country beam is quite serious at present, the time of mistake uses country beam not only can not improve traffic safety, can increase the occurrence probability of Peril Incident on the contrary.Significantly, night travel often wants meeting, in Vehicle during Crossing Event, if switch passing light not in time, bright and dark light change acutely produces strong impulse, the blind phenomenon of the vision causing steerman of short duration to the eyes of steerman, thus easily causes traffic accident.According to incompletely statistics, in nocturnal traffic accident, the accident relevant with country beam accounts for 3 four one-tenth, and becomes ascendant trend.
Summary of the invention
For the deficiencies in the prior art, invent a kind of anti-distance light LED car lamp, be applied to Vehicular night vehicling lighting.
For solving the problems of the technologies described above, the present invention adopts following technical scheme:
A kind of anti-distance light LED car lamp, it comprises: distance light sensing, mode switch, controller, and far light and near light switches, brightness adjustment and LED car lamp.Described distance light sensing, described mode switch are connected with described controller, and described controller is connected with described LED car lamp through described far light and near light switching, and described controller is connected with described LED car lamp through described brightness adjustment.
Preferably, described LED car lamp is plural LED point light source, country beam and passing light are independently arranged, mode switch can switch between automatic and manual mode, in automatic mode, during meeting, the perception of distance light sensor energy has car to employ distance light, and the country beam of this car is switched to passing light by controller, and reduction left side vehicle lamp brightness and increase right side vehicle lamp brightness, meeting terminates rear vehicle unlatching country beam and normally travels.
Preferably, described controller is singlechip chip, and concrete model selects ATmega16.
Preferably, described distance light sensing is used for whether having vehicle to employ country beam in perception Vehicle during Crossing Event, and it is made up of photoemissive element and amplifying circuit, simultaneously for avoiding the impact of ambient light scattering, needs to install shade additional on photoreceptor.
Preferably, described far light and near light switches to one group of relay switch, and its input end is by single-chip processor i/o port controlling, and mouth controls country beam and passing light opens and closes.
Preferably, described brightness regulating circuit is LED car lamp PWM light adjusting circuit, and controller produces the brightness that pwm pulse signal regulates LED light source, with the requirement of satisfied different illumination.
Technique scheme has following beneficial effect: system can to automatically switch country beam and passing light according to condition of road surface, has both met illumination requirement and in turn ensure that traffic safety.
Above-mentioned explanation is only the general introduction of technical solution of the present invention, in order to better understand technological means of the present invention, and can be implemented according to the content of specification sheets, coordinates accompanying drawing to be described in detail as follows below with preferred embodiment of the present invention.The specific embodiment of the present invention is provided in detail by following examples and accompanying drawing thereof.
Accompanying drawing explanation
Fig. 1 is embodiment of the present invention structural representation.
Detailed description of the invention
Below in conjunction with accompanying drawing, the preferred embodiments of the present invention are described in detail.
As shown in Figure 1, a kind of anti-distance light LED car lamp, it comprises: 1 distance light sensing, 2 mode switchs, 3 controllers, and 4 far light and near lights switch, 5 brightness adjustments and 6LED car light.Described distance light sensing, described mode switch are connected with described controller, and described controller is connected with described LED car lamp through described far light and near light switching, and described controller is connected with described LED car lamp through described brightness adjustment.Described LED car lamp is plural LED point light source, country beam and passing light are independently arranged, mode switch can switch between automatic and manual mode, in automatic mode, during meeting, the perception of distance light sensor energy has car to employ distance light, the country beam of this car is switched to passing light by controller, and reduction left side vehicle lamp brightness and increase right side vehicle lamp brightness, meeting terminates rear vehicle unlatching country beam and normally travels.It is simple that this system has control, easy to use, the advantages such as applied range.
During System Implementation, 8 AVR single chip ATmega16 of High Performance, low-power consumption selected by controller.Reset circuit and oscillating circuit form AVR single chip minimum system together with controller.Reset circuit is made up of reset button, resistance, chemical capacitor, can complete electrification reset, button reset function.Although AVR single chip inside is integrated RC oscillation source also, in order to the accuracy of timing and the stability of system, so select to provide oscillation source by external quartz crystal.
Mode switch is for selecting automatic mode or manual mode, it can send into an information to controller, if the I/O port be connected with mode switch is high potential, system works is in automatic mode, system can to automatically switch country beam and passing light according to condition of road surface, has both met illumination requirement and in turn ensure that traffic safety.If this I/O port is low voltage, system works, in manual mode, is manually completed the switching of light by navigating mate.
Semiconductor illumination technique has energy-saving and environmental protection, controls the characteristics such as convenient, becomes the first-selection of young mobile car light.The present embodiment selects LED light source as automotive lighting car light, it is formed by complex points combination of light sources, each point source of light includes a reflector, one group of LED luminescence component and a control circuit, wherein this luminescence component is fixedly arranged in reflector, can form the automobile lamp of the various uses such as passing light, country beam, steering indicating light, side-marker lamp, Warning light thus.Often kind of car light is provided separately, and is conducive to the switching of light and independent control.
Whether distance light sensor has vehicle to employ country beam for sensing in Vehicle during Crossing Event, the present embodiment selects photoemissive element as the photo-sensitive cell of distance light sensor, its spectral response characteristic curve and human eye spectral luminous efficiency curve close, good to the spectral responsivity of visible frequency, photoemissive element photosensitive area is large simultaneously, be suitable for the measurement to low-light (level), photoemissive element output signal forms an on-off signal feeding controller through amplifying Circuit tuning, and controller can determine whether vehicle uses country beam.In practical application, for avoiding the impact of ambient light scattering, need to install shade additional on photoreceptor.
It is one group of relay switch that country beam and passing light switch real, and its input end is by single-chip processor i/o port controlling, and mouth controls country beam and passing light opens and closes.Brightness regulating circuit is LED car lamp PWM light adjusting circuit, and controller produces the brightness that pwm pulse signal regulates LED light source, with the requirement of satisfied different illumination.
Above the anti-distance light LED car lamp of one that the embodiment of the present invention provides is described in detail; for one of ordinary skill in the art; according to the thought of the embodiment of the present invention; all will change in specific embodiments and applications; in sum; this description should not be construed as the restriction to invention, and all any changes made according to design philosophy of the present invention are all within protection scope of the present invention.
Claims (6)
1. an anti-distance light LED car lamp, it comprises: distance light sensing, mode switch, controller, and far light and near light switches, brightness adjustment and LED car lamp; Described distance light sensing, described mode switch are connected with described controller, and described controller is connected with described LED car lamp through described far light and near light switching, and described controller is connected with described LED car lamp through described brightness adjustment.
2. the anti-distance light LED car lamp of one according to claim 1, it is characterized in that, described LED car lamp is plural LED point light source, country beam and passing light are independently arranged, and mode switch can switch between automatic and manual mode, in automatic mode, during meeting, the perception of distance light sensor energy has car to employ distance light, the country beam of this car is switched to passing light by controller, and reduction left side vehicle lamp brightness and increase right side vehicle lamp brightness, meeting terminates rear vehicle unlatching country beam and normally travels.
3. the anti-distance light LED car lamp of one according to claim 1, is characterized in that, described controller is singlechip chip, and concrete model selects ATmega16.
4. the anti-distance light LED car lamp of one according to claim 1, it is characterized in that, described distance light sensing is used for whether having vehicle to employ country beam in perception Vehicle during Crossing Event, it is made up of photoemissive element and amplifying circuit, simultaneously for avoiding the impact of ambient light scattering, need to install shade additional on photoreceptor.
5. the anti-distance light LED car lamp of one according to claim 1, is characterized in that, described far light and near light switches to one group of relay switch, and its input end is by single-chip processor i/o port controlling, and mouth controls country beam and passing light opens and closes.
6. the anti-distance light LED car lamp of one according to claim 1, is characterized in that, described brightness regulating circuit is LED car lamp PWM light adjusting circuit, and controller produces the brightness that pwm pulse signal regulates LED light source, with the requirement of satisfied different illumination.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410626437.6A CN104442545A (en) | 2014-11-11 | 2014-11-11 | LED automotive lamp capable of preventing high beam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410626437.6A CN104442545A (en) | 2014-11-11 | 2014-11-11 | LED automotive lamp capable of preventing high beam |
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| CN104442545A true CN104442545A (en) | 2015-03-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410626437.6A Pending CN104442545A (en) | 2014-11-11 | 2014-11-11 | LED automotive lamp capable of preventing high beam |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106218491A (en) * | 2016-08-08 | 2016-12-14 | 郑州日产汽车有限公司 | Automobile intelligent distance-light control system |
| CN107366869A (en) * | 2017-07-20 | 2017-11-21 | 上海小糸车灯有限公司 | A kind of automobile using complex function car light |
| CN111038371A (en) * | 2019-11-09 | 2020-04-21 | 深圳市复芯伟创光电科技有限公司 | Automobile bulb module capable of automatically switching high beam mode and low beam mode |
| CN111688569A (en) * | 2019-03-15 | 2020-09-22 | 比亚迪股份有限公司 | Vehicle lamp control method and device, vehicle and storage medium |
-
2014
- 2014-11-11 CN CN201410626437.6A patent/CN104442545A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106218491A (en) * | 2016-08-08 | 2016-12-14 | 郑州日产汽车有限公司 | Automobile intelligent distance-light control system |
| CN107366869A (en) * | 2017-07-20 | 2017-11-21 | 上海小糸车灯有限公司 | A kind of automobile using complex function car light |
| CN111688569A (en) * | 2019-03-15 | 2020-09-22 | 比亚迪股份有限公司 | Vehicle lamp control method and device, vehicle and storage medium |
| CN111038371A (en) * | 2019-11-09 | 2020-04-21 | 深圳市复芯伟创光电科技有限公司 | Automobile bulb module capable of automatically switching high beam mode and low beam mode |
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Application publication date: 20150325 |
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| WD01 | Invention patent application deemed withdrawn after publication |