1. Technical Field
The disclosure relates to an illumination system, and particularly to an automotive lamp system applied in a vehicle for providing adjustable illumination scope.
2. Description of Related Art
Nowadays, light emitting diodes (LEDS) are widely used as light sources of an automotive lamp system in a vehicle. A conventional automotive lamp system may only include a single group of LEDs and one reflecting mirror. The reflecting mirror is configured for reflecting light generated from the LEDs out of the vehicle. Since the single group of the LEDs and the reflecting mirror are mounted at a fixed position and a fixed angle, and the LEDs and the reflecting mirror are not movable to adjust to different positions and angles. The single group of the LEDs and the reflecting mirror can only be irradiated toward a single direction and a fixed distance, the illumination range is limited. In order to meet illumination demands of different directions and different distances, more than two traditional automotive lamp systems need to be mounted at different positions and angles.
What is needed, therefore, is an automotive lamp system which can overcome the limitations described.
Many aspects of the present embodiments can be better understood with reference to the following drawings. The components in the drawings are not necessarily drawn to scale, the emphasis instead being placed upon clearly illustrating the principles of the present embodiments. Moreover, in the drawings, like reference numerals designate corresponding parts throughout the several views.
Referring to
The LED 10 is electrically connected with a storage battery in the vehicle to obtain electrical energy from the storage battery. The LED 10 irradiates light toward the first reflecting mirror 30.
The first reflecting mirror 30 is configured for reflecting the light generated from the LED 10 to the second reflecting mirror 40. The first reflecting mirror 30 is arc-shaped and includes a concave first reflecting face 31. The first reflecting face 31 is bent opposite to the front portion of the vehicle and faces light emitting direction of the LED 10. Specifically, the first reflecting face 31 of the first reflecting mirror 30 is located at an oblique upper front of the LED 10.
The second reflecting mirror 40 is configured for reflecting the light reflected by the first reflecting mirror 30 outside the vehicle. The second reflecting mirror 40 is arc-shaped and includes a concave second reflecting face 41. The second reflecting face 41 has a surface area larger than that of the first reflecting face 31 of the first reflecting mirror 30. The second reflecting mirror 40 is substantially located directly above the LED 10. The second reflecting face 41 faces the front portion of the vehicle and the first reflecting face 31 of the first reflecting mirror 30.
The controlling motor 20 includes a driving shaft 21. The first reflecting mirror 30 is pivotally connected with the controlling motor 20 via the driving shaft 21. Here, an angle α of the first reflecting mirror 30 relative to the LED 10 is defined by an angle between a central axis O1 of the LED 10 and a focusing axis O2 of the first reflecting mirror 30. The angle α of the first reflecting mirror 30 relative to the LED 10 is varied when the driving shaft 21 of the controlling motor 20 rotates, thus the positions of the first reflecting mirror 30 on which the light generated from the LED 10 irradiates are varied, and then the directions of the light reflected by the first reflecting mirror 30 to the second reflecting mirror 40 are varied. Accordingly, an illuminating area of the automotive lamp system 100 can be controlled by changing the angle α of the first reflecting mirror 30 relative to the LED 10. Referring to
Referring to
The differences between the automotive lamp system 100 of the first embodiment and the automotive lamp system 100a of the second embodiment are in that: the second reflecting mirror 40 is pivotally connected with the controlling motor 20 via the driving shaft 21. Here, an angle β of the second reflecting mirror 40 relative to the LED 10 is defined by an angle between a central axis O1 of the LED 10 and a focusing axis O3 of the second reflecting mirror 40. The angle β of the second reflecting mirror 40 relative to the LED 10 is varied when the driving shaft 21 of the controlling motor 20 rotates, thus the positions of the second reflecting mirror 40 to which the light is reflected by the first reflecting mirror 30 are varied, and then the directions of the light reflected outside the vehicle by the second reflecting mirror 40 are varied. Accordingly, an illuminating area of the automotive lamp system 100a can be controlled by changing the angle β of the second reflecting mirror 40 relative to the LED 10. Referring to
It is believed that the disclosure and its advantages will be understood from the foregoing description, and it will be apparent that various changes may be made thereto without departing from the spirit and scope of the invention or sacrificing all of its material advantages, the examples hereinbefore described merely being preferred or exemplary embodiments of the invention.
Number | Date | Country | Kind |
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101149880 A | Dec 2012 | TW | national |
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6039466 | Duchenne | Mar 2000 | A |
20110305033 | Sugiyama | Dec 2011 | A1 |
Number | Date | Country |
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1305629 | Jul 2001 | CN |
1734159 | Feb 2006 | CN |
102278688 | Dec 2011 | CN |
202140942 | Feb 2012 | CN |
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Number | Date | Country | |
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20140177251 A1 | Jun 2014 | US |