RU105499U1 - LED SCOREBOARD - Google Patents

Abstract

 1. The LED board to display the time remaining until the change of the traffic light, comprising a housing with a diffuser cover, behind which there is a block of LED emitters with an emitter included in it and a power and control source, inserted into the traffic light section, characterized in that the emitter board made on identical single-crystal single-color red and green LEDs, while the LEDs form two independent from each other groups of chains of the corresponding color, consisting of series-connected links, which may include one or more LEDs, forming a digital indicator of the countdown time. ! 2. The LED board according to claim 1, characterized in that the chains are powered by a current source and an adjustable voltage regulator. ! 3. The LED board according to claim 1, characterized in that the countdown is displayed synchronously with the signal of the road controller, including the blinking green traffic light mode.

Description

The LED board (hereinafter - the board) together with the traffic light is intended to inform road users about the time remaining until the burning of the prohibitory or allowing traffic light signals and can be used to control the movement of vehicles and pedestrians.

The closest in technical essence is an electronic indicator to display the time remaining until the traffic light changes (Russia, Utility Model Certificate No. 61915, IPC 7 G08G 1/095 of 03/22/06), containing a housing with a translucent screen, behind which a light source is located, made in the form of a matrix of identical LEDs forming a digital time indicator, a control unit with a microprocessor controller and a power supply, while the matrix of LEDs is made on identical two-color or three-color light-emitting diodes.

The disadvantages of the described electronic indicator include the lack of current stabilization for controlling the LEDs, which reduces their reliability and does not provide uniform brightness.

The problem the proposed utility model is aimed at solving is to create a panel with low energy consumption and a clearer display of information.

The solution of the problem in the proposed panel is achieved by the fact that the emitter board uses identical, single-crystal, single-color red and green LEDs, forming, respectively, two independent from each other groups of LED chains, allowing for digital indication of red or green.

The essence of the proposed utility model is illustrated by drawings made by computer graphics:

Figure 1 - appearance of the scoreboard;

Figure 2 - block LED emitters;

Figure 3 - layout diagram;

Figure 4 - functional block diagram of the LED emitters

Product Composition:

1. The main element of the scoreboard is a block of LED emitters 1, presented in figure 2 (intended for the formation of a visible light signal) which includes:

- emitter 2, consisting of a radiator board 2.1 with LEDs located on its front side and current stabilizers 2.2 located on the back of the board;

- power supply and control 3, which are located on the board:

- power source 3.1;

- controlled voltage stabilizer 3.2;

- microcontroller 3.3;

- level converter 3.4.

2. building 4;

3. cap - diffuser 5.

The emitter 2 and the power supply and control 3 are installed in the housing 4, to which the cover is attached - the diffuser 5, made in the form of a large radius lens.

The block of LED emitters 1 is included in the traffic light section, consisting of a housing 6, a cover 7 and a hood 8 (see figure 3).

The emitter board 2.1 is made on identical, single-crystal, single-color red and green LEDs.

In this case, the LEDs form two independent from each other groups of chains of red and green, consisting of series-connected links, which can include one or more LEDs that form a digital time indicator.

Figure 4 presents the functional diagram of the LED emitters.

To ensure the operation of the board is equipped with a power source 3.1, which is connected to a controlled voltage stabilizer 3.2.

From an external device (road controller), the level 3.4 transducer receives synchronization signals from the green (hereinafter - signal C1) or red (hereinafter - signal C2) traffic signal to control the LEDs, respectively, green or red.

The level converter 3.4 lowers the input voltage of the signal C1 (C2), transforming it into a signal for the microcontroller 3.3.

Microcontroller 3.3 analyzes the converted signal C1 (C2), remembers its duration, which is set by the program of the road controller, and, while synchronously controlling the voltage stabilizer 3.2 and current stabilizer 2.2, turns on the LED chains of the same color, forming the numbers of the countdown time.

The displayed digits of the remaining seconds of the cycle are counted down until the signal panels of the traffic light switch, including the flashing green light mode.

The numbers are highlighted in the same color as the traffic light that is currently on.

To obtain the desired number on the display, the microcontroller 3.3 adjusts the chains of current stabilizers 2.2 and transmits information to a controlled voltage regulator 3.2.

Thus, a green or red digit lights up on the scoreboard.

During two full cycles of the road controller, an automatic countdown is performed.

Claims (3)

1. The LED board to display the time remaining until the change of the traffic light, comprising a housing with a diffuser cover, behind which there is a block of LED emitters with an emitter included in it and a power and control source, inserted into the traffic light section, characterized in that the emitter board made on identical single-crystal single-color red and green LEDs, while the LEDs form two independent from each other groups of chains of the corresponding color, consisting of series-connected links, which may include one or more LEDs, forming a digital indicator of the countdown time. 2. The LED board according to claim 1, characterized in that the chains are powered by a current source and an adjustable voltage regulator. 3. The LED board according to claim 1, characterized in that the countdown is displayed synchronously with the signal of the road controller, including the blinking green traffic light mode.