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led exterior light system

A car lamp and external lighting technology, which is applied in the direction of electric lamp circuit layout, lighting device, light source, etc., can solve the safety hazards of drivers and vehicles, the inability to detect external indicator lamps, collisions and other problems, and achieve the effect of preventing potential safety hazards

Inactive Publication Date: 2015-09-16
YUYAO DECHENG TECH CONSULTING
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

On the one hand, if the external indicator light does not work properly, vehicles driving nearby cannot know the next driving action of the vehicle, which may easily cause a collision
On the other hand, if the lighting headlights are damaged when the vehicle is driving at night, it is not only possible to look down on the road it is driving on, but also may not be able to attract the attention of vehicles coming from the opposite side, thus causing potential safety hazards
[0008] However, when the driver is careless or inexperienced, the driver himself is sometimes unable to detect damage to his external indicator lamps or external lighting lamps, thus bringing great potential safety hazards to the safety of the driver and the vehicle.
[0009] Therefore, it is desirable to provide a method that can effectively detect whether the working conditions of the exterior indicator lamps and the exterior illumination lamps of the vehicle are normal and notify the driver of the detection result in time, thereby preventing the vehicle from being damaged due to external indication lamps and / or exterior illumination lamps. Solutions to safety hazards caused by damage occurring without driver knowledge

Method used

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Examples

Experimental program
Comparison scheme
Effect test

no. 1 example

[0028] figure 1 A schematic diagram of installation of an exterior vehicle light according to an embodiment of the present invention is schematically shown.

[0029] Such as figure 1 As shown, a first exterior lamp device D1 and a second exterior lamp device D2 are respectively arranged on the front end face and the rear end face of the vehicle.

[0030] The first exterior lamp device D1 and the second exterior lamp device D2 include exterior indicator lamps and exterior illumination lamps of the vehicle.

[0031] figure 2 Schematically shows the specific structure of the exterior lamp device according to the embodiment of the present invention.

[0032] Such as figure 2 As shown, each of the first external vehicle light device D1 and the second external vehicle light device D2 includes: a vehicle light encapsulation case A, and an LED installed in the vehicle light encapsulation case A The light emitting unit L and the light sensing unit 2, wherein the light sensing un...

no. 2 example

[0041] Figure 4 It schematically shows a circuit functional block diagram of the LED exterior vehicle lamp system according to the second embodiment of the present invention.

[0042] Different from the first embodiment, the component for reminding the driver of the LED exterior lamp system according to the second embodiment of the present invention is changed into a light-emitting reminder unit 4 . Luminous reminder unit 4 is installed in the car.

[0043] For example, the light-emitting reminding unit 4 is a flashing light, and the light-emitting reminding unit 4 can adopt the original flashing light of the vehicle.

[0044] Moreover, when the processing unit 1 judges that the LED light-emitting element 1 is working abnormally, it sends a second reminder trigger signal S22 to the light-emitting reminder unit 4 . When the light-emitting reminder unit 4 receives the second reminder trigger signal S22 from the processing unit 1, the light-emitting reminder unit 4 emits a fla...

no. 3 example

[0047] Figure 5 It schematically shows a circuit function block diagram of the LED exterior lamp system according to the third embodiment of the present invention.

[0048] The difference from the first embodiment is that, according to the third embodiment of the present invention, the part for reminding the driver of the LED exterior vehicle light system is additionally provided with a light-emitting reminder unit 4 .

[0049] That is to say, when the processing unit 1 determines that the LED light-emitting element 1 is working abnormally, it sends a first reminder trigger signal S21 to the sound reminder unit 3 . When the sound reminder unit 3 receives the first reminder trigger signal S21 from the processing unit 1, the sound reminder unit 3 sends out a sound warning message.

[0050] Moreover, when the processing unit 1 judges that the LED light-emitting element 1 is working abnormally, it sends a second reminder trigger signal S22 to the light-emitting reminder unit 4 ....

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PUM

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Abstract

The invention provides an external LED (Light Emitting Diode) car lamp system. When the external LED car lamp system is started and a light sensing unit senses light sent out by a corresponding LED luminous element, the light sensing unit transmits a luminous signal corresponding to a luminous state of the LED luminous element to a processing unit. When the processing unit judges that the LED luminous element works abnormally, the processing unit sends out a first warning trigger signal to a sounding warning unit; and when the sounding warning unit receives the first warning trigger signal from the processing unit, the sounding warning unit sends out sound warning information. Moreover, when the processing unit judges that the LED luminous element works abnormally, the processing unit sends out a second warning trigger signal to a luminous warning unit; and when the luminous warning unit receives the second warning trigger signal from the processing unit, the luminous warning unit sends out light warning information. The sounding warning unit and the luminous warning unit respectively send out the sound warning information and light warning information with the same rhythm.

Description

technical field [0001] The present invention relates to the field of display technology, and more specifically, the present invention relates to an LED exterior lamp system. Background technique [0002] LED (Light Emitting Diode) is a solid-state semiconductor device that can directly convert electrical energy into light energy. The heart of LED is a semiconductor chip, and one end of semiconductor chip is attached on a support (as negative pole), and the other end of semiconductor chip connects the positive pole of power supply, and whole chip is encapsulated by epoxy resin. [0003] Semiconductor wafer is made up of two parts, and a part is P-type semiconductor, and inside it, hole occupies an leading position, and the other end of semiconductor wafer is N-type semiconductor, is mainly electron here. Time these two kinds of semiconductors couple together, between them, just form a "P-N junction". [0004] When electric current acts on this chip by wire time, electron wi...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B60Q11/00H05B37/03
Inventor 杨夏芳
Owner YUYAO DECHENG TECH CONSULTING