Intelligent lamp charger of intelligent traffic system

Abstract

The invention relates to an intelligent lamp charger of an intelligent traffic system. The intelligent lamp charger includes a charging triode and a comparator, an emitting electrode of the charging triode is connected with a charging output end through a current detection resistor, two ends of the current detection resistor are connected with two input ends of the comparator, the intelligent lamp charger also includes a compensating pipe and a base voltage generation circuit, a control end of the compensating pipe is connected with an output end of the comparator, an input end and an output end of the compensating pipe are connected with an output end of the base voltage generation circuit and a base electrode of the charging triode, the base voltage generation circuit is formed by a divider resistor and a voltage stabilizing diode which are connected in series, and a temperature protection circuit is connected in parallel between the base electrode and the emitting electrode of the charging triode. The intelligent lamp charger of the intelligent traffic system does not control the triode directly, and lowers switching frequency of the charger tube, thereby reducing switching loss, and the intelligent lamp charger has a temperature regulation function, thereby reducing risks caused by overheating of a device.

Description

technical field [0001] The invention belongs to the field of intelligent transportation, and relates to a battery charging circuit, in particular to an intelligent lamp charger for an intelligent transportation system. Background technique [0002] LED is called the fourth-generation light source, which has the characteristics of energy saving, environmental protection, safety, long life, low power consumption, low heat, high brightness, waterproof, miniature, shockproof, easy dimming, concentrated beam, easy maintenance, etc., and can be widely used in Various indications, displays, decorations, backlights, general lighting and other fields. [0003] LED has high electro-optical conversion efficiency, green environmental protection, long life, low working voltage, repeated switching without loss of life, small size, less heat generation, high brightness, durable, easy to adjust light, various colors, concentrated and stable beam, no delay in starting, etc. At the same time...

AI Technical Summary

Problems solved by technology

[0005] In order to overcome the technical defects that the temperature rise of the existing LED power supply battery affects the battery life when charging, the frequent switching of the charging device causes large switching losses, and is not sensitive to the ambient temperature. The invention discloses an intelligent lamp charger for an intelligent transportation system.

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