KR100893782B1 - Traffic signal lamp apparatus controlled by traffic signal controller, and controlling method thereof - Google Patents

Abstract

A traffic light device and a controlling method thereof are provided to prevent a traffic accident due to the malfunction of the traffic signal controller by offering an alarm signal to a driver. A traffic signal controller includes a power input unit(110), a power conversion and detection unit(120), a charging unit(130) and a discharge unit(140). The power conversion and detection unit includes a transformer(121), a bridge diode(122), and a fuse(123). The transformer converts the commercial power of the AC 220V supplied from the power input unit into the dropped AC power. The bridge diode full wave-rectifies the dropped AC power to convert the AC power into the DC power. The converted DC power is supplied to a main power source of a traffic light through the fuse. The charging unit includes a battery(131) for charging the DC power. The discharging unit includes a regulator(141) for converting the DC power charged in the battery into the constant voltage DC power.

Description

Traffic signal apparatus controlled by a traffic signal controller and control method thereof

The present invention relates to a traffic light apparatus controlled by a traffic signal controller and a control method thereof.

Traffic lights are essential devices for the progress of the vehicle and the vehicle and the safety of the vehicle and the pedestrians on the road on which the vehicle proceeds.

1 is a diagram illustrating a general traffic signal and a traffic signal controller controlling the same.

Referring to FIG. 1, a traffic light device 10 controlled by a general traffic signal controller is mounted on a ground at a constant height, and a support 13 is installed, and a vehicle is mounted on a rack that is laterally coupled to the support 13. A traffic light 11 is installed for the driver or the like to recognize the traffic signal.

The traffic lights 11 differ slightly depending on the purpose of use, such as for roads and pedestrians, but the green lights 11c to indicate progress, red lights 11a to indicate stop, and red lights to green lights 11c. Yellow light 11b indicating a preliminary time before conversion to 11a and a direction indicator 11d indicating a left turn, and each of these traffic lights 11a to 11d may be divided into The signal is displayed by blinking.

Here, the lamp has generally been used by adopting an incandescent light bulb having a filament therein, such incandescent light-type traffic lights are not only significantly lower brightness compared to power consumption, high absolute power consumption, short life of the incandescent light bulb Because of this, there is a problem that adds a lot of cost to maintenance.

2 is a view showing an incandescent lamp-type traffic light according to the prior art.

1 and 2, the incandescent lamp-type traffic light 30 according to the related art includes a main body in which a through hole 39 for fixing a traffic light by penetrating a support 13 shown in FIG. 1. 32); A front plate 31 installed covering the front surface of the main body 32; A lens 33 installed at the central perforation of the front plate 31; A signal lamp shade 36 installed on an upper front surface of the front plate 31; A reflector 34 mounted in the main body 32; And a lamp 35 and a lamp socket (not shown) which are coupled to and installed inside the center of the reflector 34.

In addition, since the incandescent lamp-type traffic light 30 according to the prior art is installed in close contact with the transverse direction, the front plate 31 is configured to be lifted up to open. It is rotated and installed by the hinge portion 38 between the upper end of the front plate 31 and the upper end of the body 32 is configured to open and close, the fixing ring 37 is formed on the lower end of the front plate 31 The lower end of the main body 32 is provided with a fixing screw 40 corresponding to the fixing ring 37.

Therefore, when disassembling the traffic light 11 of FIG. 1 for troubleshooting or lamp replacement in the state where the traffic light according to the prior art is installed on the site, the fixing screw 40 installed at the lower end in the state installed on the support 13 ) And the front panel 31 is lifted up to replace the lamp or to clean the lamp or other troubles.

On the other hand, in order to solve the problem of the aforementioned incandescent light-type traffic light, compared to an incandescent light bulb, the power consumption is about 90% lower, and the lifespan is 6 times longer, and the visibility is greatly improved using a light emitting diode (LED). Traffic lights are used.

Referring back to FIG. 1, the LED traffic light is operated by receiving power from a device called a traffic signal controller 12, and the LED traffic light 11 is also embedded in a buried wiring 14 from the traffic signal controller 12. It is powered by), and typically drives LED by converting AC voltage to DC voltage.

Specifically, the traffic signal controller 12 is a device installed at intersections and pedestrian crossings to control traffic lights. For example, a main control unit (MCU), which controls the control of the enclosure having waterproof facilities, signals Signal control unit (SCU), independent device mounting unit such as image detector, MMI (Man Machine Interface unit) unit for operator connection, terminal board for processing input and output signal connection with external devices, and other auxiliary devices, It may vary depending on the intended use.

At this time, the main control unit is used for the power supply unit for supplying AC power to the traffic signal controller 12, the communication unit for communication with the traffic control center 15, the vehicle detection unit for the input of the vehicle detector, and the expansion function It can consist of optional boards.

However, according to the related art, when the traffic signal controller for supplying power to the LED traffic light installed on the road fails to operate due to power outage or flooding, the LED traffic light operated by receiving power from the traffic signal controller does not operate. There is a problem that can occur. In addition, according to the related art, when a plurality of LED traffic lights operated by receiving power from the traffic signal controller are installed, the driver driving the road without a signal due to a failure of the traffic signal controller causes the vehicle to travel without a signal. There is a problem that can cause an accident and serious traffic confusion.

On the other hand, as a related art, the invention is disclosed in the Republic of Korea Patent Publication No. 10-2005-0105877 entitled "Power supply for signal lamp having a reserve power supply", the power is supplied through the main power supply in the traffic signal controller When not supplied, the input power is transmitted to the luminaire through the preliminary power supply unit to maintain the state in which the signal lamp is always driven, which will be described below with reference to FIGS. 3 and 4.

3 and 4 is a configuration diagram of a power supply of the LED traffic light device according to the prior art, respectively.

Referring to FIG. 3, the power supply device of the LED traffic light apparatus according to the related art is a switching controller 61, a main power supply 62, a luminaire 63, a display unit 64, and a reserve power supply 65. The main power supply 62 and the preliminary power supply 63 may include a voltage regulator and a rectifier for converting a DC voltage suitable for turning on the signal lamp 64 of the luminaire 63 with respect to an AC power input. Can be.

Specifically, in the LED traffic light apparatus according to the related art, input power IN is input to the switching control unit 61, and the main power supply unit 62 and the reserve power supply unit (V) are connected to each terminal of the switching control unit 61. 65 are connected and connected, and these main power supply 62 and the reserve power supply 65 are connected to the traffic light 64 of the luminaire 63.

In the state in which the input power IN is input to the main power supply 62 through the first terminal of the switching controller 61, the main power supply 62 is damaged due to the overload of the power, an external shock, or the like. When stopped, power is cut off for a predetermined time. At this time, by switching off the power, the switching controller 61 switches to the second terminal to supply the input power IN to the preliminary power supply 65.

At this time, when power is supplied to the lighting device 63 through the preliminary power supply unit 65, the traffic light 64 is normally operated by the driving of the lighting device 63. In this state, the traffic light manager operates in the normal state. Since it is difficult to identify whether or not a failure of the main power supply 62 occurs, the preliminary power supply 66 that is turned on at the same time as the driving of the preliminary power supply 65 is connected to the preliminary power supply 65. .

Here, the reserve power indicator 66 is substantially adopted as an LED, and if the failure of the main power supply 62 is detected by checking the lighting state of the reserve power indicator 66, the maintenance work is performed. Done.

At this time, the maintenance operation is to replace the main power supply 62, and when the main power supply 62 is replaced, the terminal of the switching control unit 61 is switched back to the first terminal so that the input power IN is main The driving of the traffic light 65 proceeds normally by being transmitted to the luminaire 64 through the power supply 62.

Referring to FIG. 4, the power supply apparatus of the LED traffic light apparatus according to the related art shows that the charge / discharge circuit unit 67 is added to the main power supply 62 of FIG. 3.

The charge / discharge circuit unit 67 is generated when the switching control unit 61 switches the input power IN to the preliminary power supply unit 65 when the input power IN input to the main power supply unit 62 is cut off. This is to eliminate the time delay that occurs.

The power input to the main power supply 62 is stopped while the part of the power inputted to the main power supply 62 and converted into direct current maintains the state of being charged by the charge / discharge circuit unit 67. Immediately after that, when the terminal of the switching control section 61 is switched, the signal lamp 64 is turned on for the elapsed time.

Therefore, the charge / discharge circuit unit 67 for performing the above-described function may be a capacitor circuit for charging a certain amount of DC power, and does not provide traffic conditions such as sudden start and stop of the vehicle by flashing of the traffic light 64. It is to reduce the incidence rate of accidents by preventing.

However, the LED traffic light apparatus shown in FIGS. 3 and 4 has a problem in that when the input power supply to the traffic signal controller is stopped, the traffic light may not be driven even though the backup power supply unit is provided.

Technical problem to be solved by the present invention for solving the above problems, when the main power is not supplied to the traffic light from the traffic signal controller, can drive the yellow light with the charging power to act as an alarm light, traffic A traffic light device controlled by a signal controller and a control method thereof are provided.

Another technical problem to be achieved by the present invention is to provide an alarm light signal to a driver driving a roadway, a traffic light controlled by a traffic signal controller that can prevent traffic accidents and traffic confusion that may occur when the traffic signal controller breaks down. An apparatus and a control method thereof are provided.

As a means for achieving the above technical problem, the traffic light device controlled by the traffic signal controller according to the present invention, in the traffic light device driven by the main power source supplied from the traffic signal controller, the input power source to the main power source A traffic signal controller for detecting whether the main power is supplied to the traffic light and charging the main power to a battery when the main power is supplied to the traffic light; And the driving is controlled by the main power supplied from the traffic signal controller, and the traffic light is driven when the yellow light is driven as an alarm lamp by the power charged in the battery when the main power supply is stopped from the traffic signal controller. Including a traffic light, the traffic light is rotatably coupled to one of the inner surface of the front plate or the inner surface of the traffic light body by a hinge so that the front plate can be opened and closed with respect to the traffic light body. Fixing member is installed; And a coupling part formed on an inner surface of the traffic light body or an inner surface of the front plate to couple and fix the free end of the fixing member, wherein the traffic signal controller comprises: a power input unit for supplying input power; A power conversion and detection unit for converting the input power supplied by the power input unit into the main power source, which is a direct current power source, and detecting whether the main power source is supplied to the traffic signal; A charging unit including a battery and charging the main power to the battery when the main power is supplied to the traffic light; And a discharge unit configured to discharge the power charged in the battery to drive the yellow light among the traffic lights when the main power supply is stopped.

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Here, the power conversion and detection unit, a transformer for stepping down the AC input power supplied from the power input unit; And it may include a bridge diode for full-wave rectifying the converted AC input power to a DC power.

Here, the charging unit may include a light emitting diode (LED) indicating that the main power is charged in the battery.

Here, the discharge unit may include a regulator for constant voltage conversion of the power charged in the battery.

Here, the main power source is characterized in that the power source is converted to the direct current power source (DC) the AC power source commercial power.

Here, the traffic light includes a red light, a yellow light and a green light, and the yellow light is turned on to serve as an alarm light.

Here, the traffic lights, the coupling groove is formed at the free end of the fixing member, and a plurality of side coupling grooves are formed at different positions of the side of the fixing member, and the coupling portion has a plurality of protruding pins at different positions. Forming, characterized in that to selectively couple any one of the coupling groove or the side coupling groove formed in the free end of the fixing member to any one of the plurality of protruding pins.

On the other hand, as a means for achieving the above-described technical problem, a traffic light control method that can be driven by an alarm light according to the present invention, a) supplying input power to the traffic signal controller for driving a traffic light; b) converting the input power into a main power source to drive a traffic light and detecting the supply of the main power source; c) charging the battery by main power supplied to the traffic signal controller; d) discharging the voltage charged in the battery when the supply of the main power supplied to the traffic signal controller is stopped and the driving of the traffic light is turned off; And e) lighting a yellow alarm light with the power charged and discharged in the battery.

Here, the alarm light of step e) may be a yellow light indicating the atmosphere among the traffic lights consisting of red light, yellow light and green light.

Herein, the voltage charged in the battery of step d) is converted into a constant voltage using a regulator.

According to the present invention, when power is not supplied from the traffic signal controller in the operation of the LED traffic light, it is possible to act as an LED warning light, providing a driver with alertness and preventing accidents.

According to the present invention, by providing a warning light signal to the driver driving the roadway, it is possible to prevent traffic accidents and traffic confusion that may occur when the traffic signal controller breaks down.

According to the present invention, it is possible to stably fix the front plate of the traffic light, it is possible to provide a traffic light that can selectively adjust the opening degree of the front plate of the traffic light according to the work.

DETAILED DESCRIPTION Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings so that those skilled in the art may easily implement the present invention. As those skilled in the art would realize, the described embodiments may be modified in various different ways, all without departing from the spirit or scope of the present invention. In the drawings, parts irrelevant to the description are omitted in order to clearly describe the present invention, and like reference numerals designate like parts throughout the specification.

As an embodiment of the present invention, when the power supply is stopped from the traffic signal controller for controlling the driving of the traffic light, the traffic signal controller that can perform a role as an alarm light by applying the power charged in the yellow light among the traffic lights. Provided is a traffic light apparatus controlled by the same and a control method thereof. In addition, the traffic light according to the embodiment of the present invention may be used both incandescent bulb-type traffic lights and LED traffic lights.

5 is a schematic configuration diagram of a traffic light apparatus controlled by a traffic signal controller according to an embodiment of the present invention.

Referring to FIG. 5, a traffic light apparatus controlled by a traffic signal controller according to an exemplary embodiment of the present invention may largely include a traffic signal controller 100 and a traffic light 200, and the traffic signal controller 100. Is included, the power input unit 110, the power conversion and detection unit 120, the charging unit 130 and the discharge unit 140, the yellow light of the traffic light 200 serves as an alarm light.

The traffic signal controller 100 converts an input power source into a main power source Main and detects whether the main power source is supplied to the traffic signal 200, so that the main power source is the traffic signal lamp. When supplied to the 200, the main power (Main) to charge the battery.

The traffic light 200 is controlled to be driven by the main power supplied from the traffic signal controller 100, and when the main power supply from the traffic signal controller 100 is stopped, the traffic light 200 is supplied to the battery. The yellow light is driven as an alarm by the charged power. At this time, it is apparent to those skilled in the art that the display time of the yellow light may vary depending on the capacity of the battery.

Specifically, the power input unit 110 of the traffic signal controller 100 supplies the input power, for example, AC 220V commercial power.

The power conversion and detection unit 120 of the traffic signal controller 100 converts the AC input power supplied by the power input unit 110 into a main power that is a DC power DC, and at this time, the main power Main is a power source in which the input power source, which is an AC commercial power source, is converted into a DC power source (DC). In addition, the power conversion and detection unit 120 detects whether the main power (Main) is supplied to the traffic light (200).

The charging unit 130 of the traffic signal controller 100 includes a battery 131, and when the main power is supplied to the traffic light 200, the main power is supplied to the battery 131. ) To charge.

The discharge unit 140 flows the voltage charged in the battery 131 to the traffic light 200 when the power applied to the power conversion and detection unit 120 is not supplied, and the traffic light 200 ) To drive a yellow light.

The traffic light 200 has a structure that is driven when power is supplied from the discharge unit 140, for example, it may be composed of an LED module. The traffic light 200 includes a red light, a yellow light and a green light, and the yellow light is turned on to serve as an alarm light.

As a result, the traffic light device controlled by the traffic signal controller according to the embodiment of the present invention, by providing a charge / discharge circuit to configure an uninterruptible power supply to the existing traffic lights, for example, LED traffic lights, traffic During normal operation of the signal controller, the battery is charged to the battery through the charging circuit, and it is determined whether or not the power is supplied from the traffic signal controller. If there is no power supply, the traffic signal controller is judged to be defective. It acts as an alarm light by applying a.

On the other hand, Figure 6 is a circuit diagram of a traffic signal controller for controlling a traffic light according to an embodiment of the present invention, Figure 7 is a configuration diagram of the LED traffic light operating as an alarm light by the traffic signal controller according to an embodiment of the present invention. .

Referring to FIG. 6, the traffic signal controller according to an embodiment of the present invention includes a power input unit 110, a power conversion and detection unit 120, a charging unit 130, and a discharge unit 140.

The power input unit 110 supplies, for example, commercial power of AC 220V.

The power conversion and detection unit 120 includes a transformer 121, a bridge diode 122, and a fuse 123, and also includes a first resistor R1, a first capacitor C1, and a first capacitor. One diode (D1) and the like may be further included, but is not limited thereto.

Specifically, the transformer 121 converts AC 220V commercial power supplied from the power input unit 110 into stepped down AC power, and the bridge diode 122 full-wave rectifies the stepped down AC power to DC power. (DC), and the DC power source DC converted in this manner is supplied to the main power source (Main) such as a traffic light through the fuse 123.

The charging unit 130 may include a battery 131 for charging the DC power DC, and may also include a second resistor R2, second and third diodes D2 and D3. It is not limited to this. In addition, the charging unit 130 may include a light emitting diode (LED), and the light emitting diode (LED) is displayed to visually check whether the DC power (DC) is being supplied. That is, when the light emitting diode LED is turned off, it indicates that the supply of the main power Main, which is the DC power source DC, is stopped. Therefore, the DC power DC provided from the power conversion and detection unit 120 is charged in the battery 131 via the second diode D2.

The discharge unit 140 includes a regulator 141 for converting the DC power charged in the battery 131 into a constant voltage DC power, and further includes a second capacitor C2 and a third capacitor C3. It may additionally include, but is not limited to. Therefore, when the supply of the main power (Main) is stopped, the power charged in the battery 131 is converted into a constant voltage DC power by the regulator 141. That is, the power charged in the battery 131 is supplied to the input terminal (In) of the regulator 141 is converted into a constant voltage and output through the output terminal (Out). Accordingly, the constant voltage DC power bypass outputted through the output terminal Out of the regulator 141 drives a yellow light, which is an alarm light.

Referring to FIG. 7, the constant voltage direct current (Bypass) output from the discharge unit 140 described above is provided to a yellow light among traffic lights, in which the yellow light serves as an alarm light and may be configured as a yellow LED module. For example, it may be composed of the 101-200th LED (D101 ~ D200).

As described above, when a failure of the traffic signal controller occurs due to a power failure or natural disaster, the LED traffic light does not operate by not supplying power to the LED traffic light, but in the embodiment of the present invention, the yellow alarm light It can be driven by a charged power source.

On the other hand, Figure 8 is a diagram illustrating the control of traffic lights that can be driven by an alarm light according to an embodiment of the present invention.

Referring to FIG. 8, in the embodiment of the present invention, when the input power of AC 220V is supplied, the main power source is DC power supply DC by stepping down by the transformer 121 and then full-wave rectifying by the bridge diode 122. By converting to a power source, a traffic light 200 consisting of a red light 210, a yellow light 220, a green light 230, and a turn signal light 240 is driven, wherein the main power is supplied to the battery 131. Is charged. Thereafter, when the supply of the main power is stopped, that is, when the traffic signal controller does not operate, the power charged in the battery 131 is discharged. In this case, the discharged power is driven by the constant voltage DC through the regulator 141. Converted to voltage.

Accordingly, only the yellow light 220 of the traffic light 200 including the red light 210, the yellow light 220, the green light 230, and the turn signal 240 is turned on as the constant voltage DC power supply, thereby serving as an alarm light. Can be done.

In other words, when the supply of the main power is stopped, that is, the traffic signal controller does not operate, and the traffic light (red light 210, yellow light 220, green light 230 and the turn signal 240) 200) are all off. At this time, only the yellow light 220 of the traffic light 200 is driven by the power charged in the battery 131. Accordingly, the driver driving on the road may recognize the traffic situation by the yellow light 220, that is, the yellow warning light.

On the other hand, Figure 9 is a view illustrating a traffic light according to an embodiment of the present invention, Figures 10a and 10b is a view illustrating a traffic light for differently selecting the opening angle of the front plate according to an embodiment of the present invention, respectively. 11A and 11B are diagrams illustrating the front plate fixing members of the traffic lights according to the embodiment of the present invention and the front plate fixing members having two links.

9, a traffic light 300 according to an embodiment of the present invention, the main body 320 is formed with a through hole 360 for fixing the traffic light through the traffic light posts; A front plate 310 installed covering the front surface of the main body 320; A reflector 330 having a lens installed at a central perforation of the front plate 310 and having a lamp or LED installed at the rear of the lens; And a signal lamp shade 340 installed on the upper front surface of the front plate 310, and the hinge portion 350 to open and close the front plate 310 with respect to the main body 320. Is installed and configured.

In such a traffic light structure, the fixing means 400 that can be fixed by opening the front plate 310, the rotating member is fixed to the rotation bar is installed to be coupled to the inner surface of the front plate 310 by a hinge. 410; And a coupling part 430 formed on the inner side of the main body 320 to couple the end of the fixing member 410 to the inner side of the main body 320. Here, the fixing member 410, one end is fixed to the front plate 310 by the hinge is illustrated that the other end is made to be free to rotate, but not limited to this, by the hinge on the main body 320 The other end may be fixed and rotatable toward the front plate 310.

As described above, the fixing member 100 is installed at one end of the front plate 310 or the main body 320 so as to be rotatable by a hinge, and the fixing member 410 is attached to the main body 320 or the front plate 310. The coupling part 430 is formed corresponding to the other end part of the side). When the fixing member 410 and the coupling part 430 are provided as described above, the operator opens the front plate 310 and rotates the fixing member 410 so that the end of the fixing member 410 is coupled to the coupling part 430. By coupling to the front plate 310 is to be fixed in an open state.

In addition, in the traffic lights according to an embodiment of the present invention, the coupling structure of the end of the fixing member 410 and the coupling portion 430, the coupling groove 420 is formed at the end of the fixing member, coupling portion 430 The front plate 310 may be fixed by inserting the coupling part 420 of the fixing member 410 into the coupling part 430 which is a protrusion pin.

In another method, when the coupling groove 420 is formed at the end of the fixing member 410, and the fixing screw is coupled to the main body 320 as the coupling portion 430, the fixing member 410 The coupling groove 420 of the end can be inserted into the body of the fixing screw and fixed by tightening the screw. This is not a structure that opens and closes the front plate 310 to the top, but in the case of the structure to open and close to the side simply because it may be difficult to be fixed stably simply by using a protruding pin in this case using a fixing screw. In the structure of opening and closing to the top, by the weight of the front plate does not have to be fixed member and the coupling portion.

In addition, referring to Figure 10a, it can be configured to select the opening degree of the front plate 310, by forming a plurality of coupling parts 430 formed on the inner surface of the main body 320 in different positions When the length of the fixing member 410 is fixed and selectively coupled to the coupling parts 430 at different positions of the main body 320, the operator can select the opening degree of the front plate 310. .

In addition, referring to Figure 10b, as a method for adjusting the opening degree of the front plate 310, forming a plurality of side coupling grooves 421 at positions of different lengths from the end of the fixing member 100, The degree of opening of the front plate 10 can be adjusted by coupling the side coupling portion 421 to the coupling portion 430 of the main body 320.

In addition, referring to Figure 11a, it is possible to maintain a more stable fixed state by installing the same structure on both sides without forming the fixing member 410 and the coupling portion on only one side to be fixed on both sides.

In addition, referring to Figure 11b, the fixing member is hinged to the front plate 310 and the main body 320, respectively, by using the two-section link 400 ', the two-section link 400 by opening the front plate 310 When the ') is unfolded to be fixed, it may be configured to close the front plate 310 by bending the middle portion of the two-section link (400').

Therefore, when the front plate fixing device is installed in the traffic light according to the embodiment of the present invention, the worker who works by hanging in the air on a crane in the case of having to open the front plate to the upper part without holding the front plate with one hand You can work while fixed by the fixing device.

12 is a flowchart illustrating a method of controlling a traffic light that can be driven by an alarm light according to an exemplary embodiment of the present invention.

Referring to FIG. 12, in a method of controlling a traffic light that can be driven by an alarm light according to an embodiment of the present invention, first, input power is supplied to a traffic signal controller driving a traffic light (S110), and the input power is supplied. Convert to a main power source that can drive traffic lights (S120). Here, the main power source is a power source in which the input power source, which is an AC commercial power source, is converted into a DC power source (DC).

Next, it is detected whether the main power is supplied without interruption (S130), and when the main power is supplied without interruption, a charging circuit is provided so that the main power supplied to the traffic signal controller can charge the battery power. Drive (S140). While the main power is charging the battery power, the traffic signal is driven to the main power (S150).

Next, when the supply of the main power supplied to the traffic signal controller is stopped and the driving of the traffic light is turned off, the main power is switched to the battery charging power (S160), and the voltage charged in the battery is discharged. (S170).

Next, the voltage charged in the battery is converted into a constant voltage direct current power using a regulator (S180), and the yellow alarm light is turned on by the power that is charged and discharged in the battery and substantially converted into constant voltage direct current power ( S190). Here, the yellow warning light may be a yellow light indicating the atmosphere among the traffic lights consisting of red light, yellow light and green light.

After all, according to an embodiment of the present invention, while charging the battery (Battery) through the charging circuit in the normal operation of the traffic signal controller, and determines whether to supply power from the traffic signal controller, when there is no power supply, among the LED traffic lights By applying power to the yellow light to act as an alarm light, drivers can be alert to driving the vehicle, leading to defensive and careful driving, and to prevent traffic accidents and traffic confusion that may occur when the traffic signal controller breaks down. have.

The foregoing description of the present invention is intended for illustration, and it will be understood by those skilled in the art that the present invention may be easily modified in other specific forms without changing the technical spirit or essential features of the present invention. will be. Therefore, it should be understood that the embodiments described above are exemplary in all respects and not restrictive. For example, each component described as a single type may be implemented in a distributed manner, and similarly, components described as distributed may be implemented in a combined form.

The scope of the present invention is shown by the following claims rather than the above description, and all changes or modifications derived from the meaning and scope of the claims and their equivalents should be construed as being included in the scope of the present invention. do.

1 is a diagram illustrating a general traffic signal and a traffic signal controller controlling the same.

2 is a view showing an incandescent lamp-type traffic light according to the prior art.

3 and 4 is a configuration diagram of a power supply of the LED traffic light device according to the prior art, respectively.

5 is a schematic configuration diagram of a traffic light apparatus controlled by a traffic signal controller according to an embodiment of the present invention.

6 is a circuit diagram of a traffic signal controller for driving a traffic light device according to an embodiment of the present invention.

7 is an LED configuration diagram of a traffic light operating as an alarm light by the traffic signal controller according to an embodiment of the present invention.

8 is a diagram illustrating the control of a traffic light that can be driven by an alarm light according to an embodiment of the present invention.

9 is a diagram illustrating a traffic light in accordance with an embodiment of the present invention.

10A and 10B are diagrams illustrating traffic lights for differently selecting an opening angle of a front panel according to an exemplary embodiment of the present invention, respectively.

11A and 11B are diagrams exemplarily showing that the front plate fixing member of the traffic light according to the embodiment of the present invention is installed on both sides and the front plate fixing member is composed of two links.

12 is a flowchart illustrating a method of controlling a traffic light that can be driven by an alarm light according to an embodiment of the present invention.

<Brief Description of Drawings>

100: traffic signal controller 110: power input unit

120: power conversion and detection unit 121: transformer

122: bridge diode 123: fuse

130: charging unit 131: battery (Battery)

140: discharge unit 141: constant voltage regulator

200: traffic light (alarm light) 210: red light

220: yellow light 230: green light

240: turn signal light 300: traffic light

310: front panel 320: traffic light main body

330: reflector 340: traffic light

350: hinge portion 360: through hole

400: fixing means 410: fixing member

420: coupling groove 421: side coupling groove

430: coupling part

Claims (12)

delete delete delete delete delete delete delete In the traffic light device driven by the main power supplied from the traffic signal controller, A traffic signal controller which converts an input power source into a main power source, detects whether the main power source is supplied to the traffic signal lamp, and charges the main power source to a battery when the main power source is supplied to the traffic signal lamp; And The driving is controlled by the main power supplied from the traffic signal controller. When the main power supply is interrupted from the traffic signal controller, the traffic light is driven by the yellow light by the power charged in the battery. Including, The traffic light includes: a fixing member rotatably coupled to one of the inner side of the front plate or the inner side of the traffic light body by a hinge so that the front plate can be opened and closed with respect to the traffic light body; And a coupling part formed on an inner surface of the traffic light body or an inner surface of the front plate to couple and fix the free end of the fixing member. The traffic signal controller includes a power input unit for supplying input power; A power conversion and detection unit for converting the input power supplied by the power input unit into the main power source, which is a direct current power source, and detecting whether the main power source is supplied to the traffic signal; A charging unit including a battery and charging the main power to the battery when the main power is supplied to the traffic light; And a discharging unit configured to discharge the power charged in the battery to drive the yellow light among the traffic lights when the main power supply is stopped. The traffic light, Forming a coupling groove in the free end of the fixing member and at the other position of the side of the fixing member to form a plurality of side coupling grooves, The engaging portion is formed by forming a plurality of protruding pins in different positions, characterized in that for selectively coupling any one of the plurality of protruding pins of the coupling groove or the side coupling groove formed on the free end of the fixing member. A traffic light device controlled by a traffic signal controller. delete a) supplying input power to a traffic signal controller driving a traffic light; b) converting the input power into a main power source to drive a traffic light and detecting the supply of the main power source; c) charging the battery by main power supplied to the traffic signal controller; d) discharging the voltage charged in the battery when the supply of the main power supplied to the traffic signal controller is stopped and the driving of the traffic light is turned off; And e) lighting a yellow alarm light with power that is charged and discharged in the battery; The yellow warning light of step e) is a traffic light control method that can be driven by an alarm light, characterized in that the yellow light indicating the atmosphere of the traffic light consisting of red light, yellow light and green light. delete delete

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