Full-transparent light-emitting sign controller

Abstract

The invention discloses a full-transparent light-emitting label controller which is externally connected with a power supply and controls a plurality of full-transparent light-emitting labels. The full-transparent light-emitting sign controller comprises a power supply anti-reverse connection circuit, a solar sampling circuit, an MCU and a high-power output circuit. The MCU comprises an AD conversion circuit and a software filtering unit, the software filtering unit prevents the IO port of the MCU from misoperation on the post-stage high-power output circuit, and the AD conversion circuit carries out software filtering and sets different wide threshold delay processing through distinguishing lightening and closing functions. According to the invention, the problem that the full-transparent light-emitting sign in each direction is not synchronously turned on or turned off can be solved; an anti-reverse connection circuit for a high-power power supply can prevent installation and maintenance personnel from misoperation, reverse connection of positive and negative electrodes of the power supply and damage to the circuit.

Description

technical field [0001] The invention belongs to the technical field of traffic, and in particular relates to a fully transparent luminous signage controller. Background technique [0002] With the continuous improvement of the level of road management, the requirements for urban landscape continue to increase, and the traditional retroreflection has no recognition function at night without the main body of the light source. In severe weather conditions such as rain and fog, the distance of visual recognition depends on the illumination brightness of the main body of the light source, which seriously affects the direction and situation recognition of vehicles and pedestrians. The application of fully transparent luminous signs is more and more extensive. The fully transparent luminous signs completely retain the performance of traditional sign retroreflective signs. It has the same effect as traditional retroreflective signs when it is not lit during the day, and the visibili...

AI Technical Summary

Problems solved by technology

Many manufacturers use a set clock to complete the lighting time of this fully transparent luminous sign or use a different clock controller for each direction of the same intersection. This method can be used in winter, summer, foggy, rainy and snowy weather Under such circumstances, it is impossible to light up in time according to the actual situation. Due to the error of the clock, there will be a sequential order at the entire intersection.

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