KR19990039760A - Traffic light indicator - Google Patents

Abstract

The present invention relates to a traffic signal display device, and more particularly, to increase the luminance of a traffic signal light installed at a certain height from the ground at an intersection, a crosswalk, and to implement a plurality of colors with a single light, before a signal is changed. By displaying the remaining time, not only to provide convenience to the driver, but also to simplify and lighten the traffic light, thereby preventing a crash due to the weight of the traffic light itself.

The present invention as described above comprises a clock generator for generating a reference clock from the AC power source; A time setting unit for setting a traffic light lighting time of each color according to the traffic flow; A lighting time counting unit for counting a lighting time set based on a clock generated by the clock generating unit; Remaining time display unit for displaying the remaining time of the currently lit signal light; An extinction signal generator for controlling an extinction of the traffic light of the currently lit color when the lighting time of the traffic light of the corresponding color is completed; A traffic light control unit for driving the blinking of the corresponding traffic light according to the light-off control signal; A signal lamp lighting unit for turning on and off a traffic light; An optical cable for driving a traffic light lighting unit to transmit a light source of a traffic light of a corresponding color lit; It is made of a signal display unit for emitting a color of the traffic light transmitted through the optical cable to the outside for the driver to confirm.

Description

Traffic light indicator

The present invention relates to a traffic light installed in an intersection, a crosswalk, and the like, and more particularly, to increase the brightness of a traffic signal light installed at a certain height from the ground at an intersection, a crosswalk, and to implement a plurality of colors with a single light. The present invention relates to a traffic signal display device which not only provides convenience to the driver by displaying the remaining time before the signal is changed, but also simplifies and lightens the traffic light, thereby preventing a crash due to the weight of the traffic light.

In general, a traffic light implements each color using a plurality of lamps, and each color is a promised traffic control signal with the driver, and controls the vehicle so that the flow of the vehicle such as an intersection and a crosswalk is smooth.

Here, the installation position of the traffic light is suspended by using a support at a predetermined height from the ground in front of the driving direction so that the driver easily checks the traffic signal controlling the vehicle at the intersection, the crosswalk, and the like while driving.

The traffic light of the intersection thus installed is changed to a yellow signal for a while before the straight signal or the left turn signal turns into a red signal, and then turns into a red signal.

At this time, the driver who checks the left turn or straight ahead signal and passes through the intersection or the crosswalk does not predict when the yellow light will turn on and enters the vehicle. There was a problem interfering.

In addition, there is a problem in that various traffic accidents such as collisions and collisions at intersections are caused by excessively accelerating the vehicle in anticipation of the change of the traffic lights as described above. In addition, it is not only difficult to distinguish the color of the traffic light currently displayed due to the sunlight during the day, there is a problem such as causing confusion of the signal due to various lights and neon signs around the road at night.

Therefore, in order to improve such a problem, the driver conventionally displays the time at which the signal is changed through a segment displaying a number at the right end of the traffic light, thereby allowing the driver to check the lighting time of the traffic light.

That is, as described in the previously applied Republic of Korea Utility Model Publications '85 -2325 ', '91 -7197', the conventional traffic lights have a plurality of colors and direction indicators (as shown in Figure 1a, Figure 1b) GL, TL, YL, RL) is indicated by the luminous band (3), and when the traffic light is off, the solenoid valve (SV) of the corresponding traffic light is operated to operate the sliding rod (1). The light blocking plate 2 cuts off the front surface of the traffic light so that it appears black, and at one side thereof, the light blocking plate 2 includes a numeric display DS for displaying the remaining time of the traffic light.

The numeric indicator DS provided in this way can display the time remaining before the traffic signal is changed to a yellow signal, the numeric indicator DS can be identified at a considerable distance between day and night, and the displayed number is down. By counting, the driver checks this and adjusts the driving speed of the vehicle by accurately identifying whether the signal is changed during the intersection.

On the other hand, by blocking the front of the traffic lights that are being lit with a black shading plate, even if the sunlight is shining on the traffic lights during the day, the traffic lights are shown in black, so the driver can easily and accurately determine which lights are currently lit. It will be possible.

In addition, at night, the area of the traffic lights is extended by 2 to 3 times by the back board 4 so that various lights and neon lights such as neon signs and the like can be easily distinguished, and the outside is luminous as an outline. By forming the band 3, the traffic light is emitted and the lights are turned on in the luminous band 3 so that the traffic light and the surrounding lights and neon signs can be clearly identified.

However, the intersection traffic light according to the prior art has to be suspended at a certain height from the ground by using a support such as a lamp for realizing each color and a light blocking plate to block it, a solenoid valve and a numeric indicator for controlling the same. The risk of falling is high because of its bulky and heavy weight. It is easy to break down due to bad weather such as typhoon. In addition, since at least three or more traffic lights are required, it is difficult for the driver to concentrate on the traffic lights.

Accordingly, the present invention is to improve the brightness of the traffic light indicator to improve the problems of the prior art described above, the lower end of the support for hanging the signal light source of the signal light to implement the color of the traffic light to implement a plurality of colors with a single light It is provided in the present invention, and it is easy to maintain by transmitting the light source of the corresponding color to the traffic light using the optical cable, and to provide a traffic signal display device to prevent malfunction or various accidents of the traffic light due to bad weather. .

Another object of the present invention is to implement all the signals by using only one or two of the display of the signal for traffic control, it is possible to simplify the traffic light, it is easy for the driver to concentrate on the traffic light, the volume of the traffic light hanging on the support Its purpose is to reduce the risk of falling without disturbing the aesthetics of the city due to its low weight and light weight.

Another object of the present invention is to include a timer at the bottom of the traffic light to recognize the remaining time before the signal is changed to the driver, to determine whether the intersection is entered by referring to the vehicle flow of the intersection and the remaining time of the current lighting, traffic flow In addition to reducing the burden on the driver's traffic lights, it is possible to prevent accidents in advance and to shift the vehicle's gear position to neutral according to the remaining time. Its purpose is to contribute to prevention.

1A is an external view of an intersection traffic light according to the prior art,

1B is an operation state diagram of the light blocking plate in FIG. 1A,

2 is an external view of a traffic light display device according to the present invention;

3 is a block diagram of a traffic light display device according to the present invention.

<Description of Symbols for Main Parts of Drawings>

100: control device 101: pulse detection unit

102: clock generator 103: lighting time setting unit

104: lighting time counting section 105: light off signal generating section

106: traffic light control unit 107: traffic light lighting unit

110: signal display section 111: direction indicator

112: traffic light 113, 114: first, second optical cable

120: remaining time display

The traffic signal display apparatus for achieving the above object of the present invention includes a pulse detector for detecting a reference pulse from the AC power source; A clock generator generating a reference clock based on the pulse detected by the pulse detector; A time setting unit for setting a traffic light lighting time of each color according to the traffic flow; A lighting time counting unit for counting the lighting time set by the lighting time setting unit on the basis of the clock generated by the clock generating unit; A remaining time display unit displaying the remaining time of the currently lit signal lamp under the control of the lighting time counting unit; An extinction signal generation unit for controlling an extinction of the traffic light of the currently lit color when the setting time of the traffic light of the corresponding color is completed in the lighting time counting unit; A traffic light control unit for driving the blinking of the corresponding traffic light according to the light off control signal output from the light off signal generator; A traffic light lighting unit for turning on and off the traffic light under the control of the traffic light control unit; An optical cable for driving the signal lamp lighting unit to transmit a light source of a signal lamp of a corresponding color lit; Characterized in that it consists of a signal display unit for the driver to confirm by emitting the color of the traffic light transmitted through the optical cable to the outside.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

2 is a block diagram of a traffic signal display device according to the present invention, which is located at a predetermined height from the ground so that a driver of a driving vehicle can easily check the direction by a green light source transmitted through an optical cable A signal display unit 110 including an indicator light 111 and a traffic light 112 for emitting a light source transmitted through the optical cable to recognize a corresponding color to a driver; A remaining time display unit 120 displaying a remaining time until a signal is changed at the bottom of the signal display unit 110; A support 130 for fixing the signal display unit 110 and the remaining time display unit 120 to a predetermined height from the ground; The control unit 100 for controlling the signal display unit 110 and the remaining time display unit 120 and supplying a light source of the signal to the bottom of the support.

Here, the optical cable includes a first optical cable 113 for irradiating a light source for displaying the direction supplied from the control device 100 through the direction indicator 111; It consists of a second optical cable 114 for irradiating the light source of the color implemented in the control device 100 through the traffic light 112.

3 is a block diagram of a traffic signal display device according to the present invention, and as shown therein, a pulse detector 101 for detecting a reference pulse from an AC power source; A clock generator 102 generating a reference clock based on the pulse detected by the pulse detector 101; A time setting unit 103 for setting a traffic light lighting time of each color according to the traffic flow; A lighting time counting unit 104 which counts the lighting time set by the lighting time setting unit 103 based on the clock generated by the clock generating unit 102; Remaining time display unit 120 for displaying the remaining time of the currently lit signal lamp under the control of the lighting time counting unit 104; An unlit signal generator 105 for controlling the unlit of the currently lit color of the traffic light when the setting time of the traffic light of the corresponding color is completed in the lighting time counting unit 104; A traffic light control unit 106 for driving the flashing of the corresponding traffic light in accordance with the light control signal output from the light-off signal generator 105; A signal lamp lighting unit 107 for turning on and off a traffic light under the control of the traffic light control unit 106; First and second optical cables 113 and 114 which drive the signal lamp lighting unit 107 and transmit a light source of a corresponding color lit; It is composed of a signal display unit 110 for the driver to confirm by emitting the color of the traffic light transmitted through the first and second optical cable 113, 114 to the outside.

Here, the remaining time display unit 120 is composed of a plurality of segments at the bottom of the signal display unit 110 to display the remaining time until the currently driven signal is turned on in minutes and seconds. .

The operation of the present invention configured as described above will be described in more detail with reference to FIGS. 2 to 4.

First, as shown in FIG. 2, the present invention implements each color to be transmitted from the control device 100 to the signal display unit 110 according to a control signal through the first and second optical cables 113 and 114. send. Meanwhile, the remaining time display unit 120 is controlled to let the driver know how many seconds after the currently lit traffic light changes.

That is, when the operation of the control device 100 will be described in more detail, as shown in FIG. 3, the pulse detector 101 filters the AC power supply 60hz to detect pulses of a predetermined period, and the clock generator 102. ) Divides each one to generate a 1hz clock.

On the other hand, the lighting time counting section 103 sets the lighting time of the color (red, green, yellow) of each signal lamp and the lighting time of the direction indicator 111, respectively.

As such, the lighting time counting unit 104 counts down the lighting time of the signal currently being turned on by the set time, based on the clock generated by the clock generating unit 102, and at this time, the remaining time display unit 120 is driven to The remaining time of the lit signal is displayed, and the driver checks this to determine whether the vehicle can pass compared to the remaining time, and then passes quickly or stops the vehicle in front of the stop line.

In addition, the driver stops the vehicle at the stop line when it is predicted that the traffic flow is not good enough to pass through in front of the intersection even if there is a remaining time until the traffic light changes. In addition, if there is much time remaining before the traffic light is changed, the gear of the vehicle is placed in the neutral position or the parking position, so that the vehicle is not overwhelmed while the vehicle is stopped and the driver is more comfortable. You can take it.

Meanwhile, when the lighting of the corresponding signal is completed in the lighting time counting unit 104, the corresponding traffic light is turned off through the light-off signal generating unit 105.

That is, the traffic light control unit 106 controls the traffic light lighting unit 107 according to the signal generated by the light off signal generator 105 to change from the corresponding signal to the next signal.

Here, the signal lamp lighting unit 107 moves a lamp (not shown in the drawing) of a suitable light source and a color implementing plate (not shown) and a color implementing plate to implement the color of light emitted from the lamp. It consists of a color implement plate exchanger (not shown) to implement. In addition, the color exchange apparatus may be configured as a drive motor for rotating the color implement plate, or each of the separate color implement plate can be replaced using an electromagnet.

In addition, as another embodiment of the signal lamp lighting unit 107, at least two or more light sources that implement color are concentrated in one direction using a prism, and then transmitted to the signal lamp through an optical cable.

As such, the light source implemented in the signal lamp lighting unit 107 is focused on the optical cable through the color plate, and the optical cable radiates the light source having the implemented color to the signal display unit 110 to emit to the outside. Here, each of the optical cables 113 and 114 is installed in the interior of the support 115 supporting the traffic light, so that the optical cables 113 and 114 may be protected from external shocks.

The light source transmitted through each of the optical cables 113 and 114 is emitted through each of the direction indicators 111 and the traffic indicators 112 of the signal display unit 110, and the direction indicators 111 allow left turn permission. Holes are formed at a predetermined density in the interior of the arrow pattern to be displayed to emit light through each hole. In addition, the traffic light 112 is to emit a light source by forming a hole of a certain density in the entire circular black cover having a certain diameter so as to emit the color of the traffic light.

By using the optical cable in this way, a separate electrical waterproof facility is unnecessary, and to prevent the risk of electric shock.

In addition, the driver emits a corresponding color when each of the traffic lights implemented as described above is turned on. However, when the lights are turned off, only the black color of the cover is visible, thereby preventing a mistake in whether the traffic lights are turned on due to sunlight. .

As described above, the present invention does not directly emit a light emitting lamp, but emits a corresponding color using an optical cable, so that the brightness is high, so that the color of a traffic light can be accurately identified without being disturbed by sunlight at night as well as during the day. , By installing a light source at the bottom of the support to implement the color of the traffic light, there is an effect that can simplify the maintenance without affecting traffic obstacles. In addition, four traffic lights have been used to implement traffic signals. With only two traffic lights, all traffic signals can be implemented, making it easier for drivers to concentrate on the traffic lights and reducing the risk of falling due to the light weight of the traffic lights themselves. It can be effective.

In addition, by having a timer on one side of the traffic light to recognize the remaining time before the signal changes to the driver, it is possible to determine whether to enter the intersection by referring to the vehicle flow of the intersection and the remaining time of the current lighting, and eventually traffic flow In addition to reducing the burden on the driver's traffic lights, it is possible to prevent accidents, and to reduce the burden on the vehicle by waiting the vehicle's gear position neutral or starting off depending on the remaining time. In addition, it is possible to save fuel, and to reduce the exhaust gas of the vehicle and contribute to pollution prevention.

Claims (3)

A pulse detector for detecting a reference pulse from an AC power supply; A clock generator generating a reference clock based on the pulse detected by the pulse detector; A time setting unit for setting a traffic light lighting time of each color according to the traffic flow; A lighting time counting unit for counting the lighting time set by the lighting time setting unit on the basis of the clock generated by the clock generating unit; A remaining time display unit displaying the remaining time of the currently lit signal lamp under the control of the lighting time counting unit; An extinction signal generation unit for controlling an extinction of the traffic light of the currently lit color when the setting time of the traffic light of the corresponding color is completed in the lighting time counting unit; A traffic light control unit for driving the blinking of the corresponding traffic light according to the light off control signal output from the light off signal generator; A traffic light lighting unit for turning on and off the traffic light under the control of the traffic light control unit; An optical cable for driving the signal lamp lighting unit to transmit a light source of a signal lamp of a corresponding color lit; And a signal display unit for discharging the color of the traffic light transmitted through the optical cable to the outside for the driver to check. The method of claim 1, wherein the signal display unit is configured by a green light source transmitted through the optical cable and the traffic light to emit a direction light and a light source transmitted through the optical cable to recognize the corresponding color to the driver. Traffic signal display device. The apparatus of claim 1, wherein the remaining time display unit comprises a plurality of segments that display a remaining time of a signal currently driven in units of minutes and seconds at a lower end of the signal display unit.