Brightening device for car-speed signal control HID (high intensity discharge) xenon lamp
A technology of signal control and xenon lamps, applied in the use of gas discharge lamps, lighting devices, light sources, etc., can solve problems such as damaged ballasts, insufficient brightness, insufficient air flow, etc., and achieve low energy consumption.
Inactive Publication Date: 2012-11-07
庄景阳
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[0002] The xenon lamps used in vehicles are divided into three types, namely 35W, 50W and 75W. The former is energy-saving and the latter is high-brightness. It meets the demand, but the air flow at low speed is insufficient, which may easily lead to high temperature damage to the internal components of the ballast
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[0010] figure 1 It is the structure diagram of the lighting device of the vehicle speed signal control HID xenon lamp in the ballast of the present invention, and its structure is composed of a resistance module 2 and a speed signal line 3 . exist figure 1 Among them, the positive terminal of the power supply of the resistance module 2 is connected to the positive pole of the filter capacitor 1, and a positive power line 4 is drawn out, and the negative terminal of the power supply of the resistance module 2 is connected to the negative pole of the filter capacitor 1, and a negative line of the power supply is drawn out 6 and a high-voltage negative line 5, the anode of the resistance module 2 is connected to the negative circuit pin in the IC494 of the control module 10, and a speed signal line 3 is drawn from the signal acquisition end of the resistance module 2, and at the same time, it is connected to the high-voltage package 8 A high-voltage positive line 7 is drawn out ...
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A brightening device for car-speed signal control HID (high intensity discharge) xenon lamp structurally comprises a resistance module and a rotation speed signal line. The brightening device is characterized in that a power source positive electrode of the resistance module is connected with a positive electrode of a filter capacitor, a power source positive electrode line is led from the power source positive electrode of the resistance module, a power source negative electrode of the resistance module is connected with a negative electrode of the filter capacitor, a power source negative electrode line and a high-voltage negative electrode line are led out from the power source negative electrode of the resistance module, an anode of the resistance module is connected with a negative electrode loop pin in an IC494 of a control module, a rotation speed signal line is led out from a signal acquisition end of the resistance module, and meanwhile, a high-voltage positive electrode line is led out form a secondary electrode of a high-voltage pack. By the brightening device, work current can be increased by work current of a ballast along with increase of the car speed, so that different luminance at different car speeds can be realized.
Description
technical field [0001] The invention relates to a current automatic control device of a ballast for motor vehicle lighting, in particular to a lighting device for controlling an HID xenon lamp by a vehicle speed signal. Background technique [0002] There are three types of xenon lamps used in vehicles, namely 35W, 50W and 75W. The former is energy-saving and the latter is high-brightness. It meets the demand, but the air flow at low speed is insufficient, which may easily lead to high temperature damage to the internal components of the ballast. Contents of the invention [0003] The object of the present invention is to provide a lighting device for controlling the HID xenon lamp by the vehicle speed signal, so that the operating current of the ballast can increase with the increase of the vehicle speed, so as to realize the effect of illumination brightness at different vehicle speeds. [0004] The present invention is realized by the following technical scheme: the v...
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IPC IPC(8): H05B41/38
CPCY02B20/202Y02B20/00
Inventor 庄景阳
Owner 庄景阳