KR20050066959A - Short circuit alarm device for a road establishment - Google Patents

Abstract

The present invention in the various electrical facilities (for example, street lights or traffic lights) that serves to improve the function of the road by using electricity on the road, the facilities are installed on the road so that the public can access short circuit Due to the frequent occurrence of accidents that cause damage to humans, the system is installed in parallel with an earth leakage breaker currently being developed and used to prevent this. We propose a road leakage warning system to prevent damage.

Description

Short circuit alarm device for a road establishment

The present invention relates to electrical installations such as traffic lights and street lights installed on the road, and more specifically, to install an alarm device on the road facility to prevent safety accidents caused by failure or failure of the earth leakage breaker. The present invention relates to a road leakage warning device.

As is well known, street lights are installed at predetermined intervals on a road to illuminate the road at night, and traffic lights for limiting traffic of vehicles and people are installed at intersections and crossings. Electrical facilities such as street lights and traffic lights are typically installed while a plurality of iron bars are supported by a support on a road, and lamps for traffic signals or lighting are installed at the upper ends of the iron bars. A control panel for supplying power to the lamp and turning it on is provided separately from the iron column.

On the other hand, an earth leakage circuit breaker is installed on the inner side of the control panel or on the upper side of the iron column to automatically cut off the AC power when a short circuit or an electric leakage occurs due to rain or moisture from the outside. That is, the installation of the earth leakage breaker is to prevent the damage to the control panel and to prevent the use of other traffic lights by cutting off the power only traffic lights (or street lights) that cause a short circuit or a short circuit in the event of a short circuit or a short circuit.

However, in the conventional electrical facility configured as described above, the ground fault circuit breaker is installed only to prevent the short circuit caused by the overcurrent, so that the ground fault circuit breaker installed in the electrical facility breaks down (or is not installed) or malfunctions. Since it could not be blocked, there was a problem of property damage due to injury or fire due to electric shock.

Therefore, an object of the present invention is to solve the above problems, such as damage or fire due to the short circuit breaker installed in various electrical facilities, such as traffic lights and street lights installed on the road, or failure in uninstalled facilities. In order to prevent safety accidents, a detection facility is installed on the surface of the facility to detect a short circuit, so that the warning sound of the warning broadcast that there is a risk of electric shock on the facility and the alarm to prohibit access are operated simultaneously. It is to provide an earth leakage warning device for road facilities that prevents electric shock accidents by blocking access at the source.

In addition, another object of the present invention is divided into a detection unit for detecting a short circuit on the surface of the facility of the risk of electric shock and an alarm unit that functions to notify the citizens when a short circuit is detected, the alarm unit and the broadcasting unit is attached to the warning broadcast to perform a warning broadcast It is to provide an earth leakage warning device for road facilities that detects an electric leak in advance and prevents fire in advance to protect the lives of citizens.

The present invention for achieving the object as described above, the electrical installation made of the iron rod installed on the road, the control panel for supplying power to the electrical facility, and when the overcurrent flows to the electrical facility to cut off the AC power An earth leakage circuit breaker; An electrical sensing unit installed on the pontoon and sensing whether a current flows through the pontoon; An IC circuit connected to the electrical sensing unit, the IC circuit being connected to the electrical sensing unit and supplied with AC power to generate a control signal when the ground fault breaker fails; It operates in accordance with a control signal output from the IC (IC) circuit, characterized in that configured as an alarm device for indicating the state of leakage of the iron.

Hereinafter, a preferred embodiment according to the present invention will be described in detail.

On the other hand, the earth leakage alarm device according to an embodiment of the present invention to be described later will propose an alarm device that is limited to the traffic lights installed on the road, but the bar proposed in the present invention is installed on all roads (for example, Applicable equally to streetlights) is obvious.

In the present invention, in the various electrical facilities (for example, street lights or traffic lights) that serves to improve the function of the road by using electricity on the road, the facilities are installed on the road so that the public can access the short circuit Accidents that cause injury to human life are frequently occurring. This paper proposes an earth leakage warning device for road facilities that is installed in parallel with the earth leakage breaker in use and operates as a secondary prevention device when the earth leakage breaker breaks down. On the other hand, the configuration of the earth leakage alarm device will be easily understood by the detailed description of the drawings to be described later.

1 is a view showing the configuration of a traffic light is installed a ground fault alarm device according to an embodiment of the present invention.

Referring to FIG. 1, the traffic light includes a pontoon 12 which is installed while being supported on a road by a separate support 18, and the upper end of the pontoon 12 has 3 for traffic signals. A traffic light 16 consisting of four or four lamps is fixedly installed by the auxiliary column 14. In addition, the pontoon 12 is provided with a circuit breaker 22 for preventing a short circuit due to various electrical components and overcurrent and an alarm device 10 to notify the outside of the fault circuit breaker 22, the details of these devices The configuration will be easily understood by FIGS. 2 and 3 described later.

2 and 3 is a view showing a detailed configuration of the earth leakage alarm device according to the present invention, the integrated power meter 20 connected to the lead wire (power line) for supplying AC power (AC) to the upper end of the above-described iron column 12 ) Is installed, and a general leakage circuit breaker 22 is installed in the integrated power meter 20 to cut off the AC power when an overcurrent flows due to a short circuit. That is, the ground fault circuit breaker 22 is a device that prevents a short circuit by cutting off the AC power when a short circuit or overcurrent due to rain or moisture from the outside flows, as described above. Since it cannot be, overcurrent flows into the iron column 12 as it is.

On the other hand, the electrical sensing unit 28 is fixedly installed along the circumferential surface of the lower side of the above-described iron column 12, the electrical sensing unit 28 is AC power supplied from the outside in the case of malfunction or failure of the ground fault circuit breaker 22 It detects whether it flows in the iron column 12. In this case, the electrical sensing unit 28 is formed of a material in which a current flows as a plate type, and is preferably formed of copper (CU) material.

In addition, the lower side of the bar 12, the alarm lamp 34 and the speaker 32 to notify the outside when the current flows to the pole 12 and the IC circuit for controlling the (hereinafter referred to as "IC circuit 30") It is composed of At this time, the alarm lamp 34 and the speaker 32 is built in a separate case is fixed by the fixing band 26 as shown in FIG.

The IC circuit 30 is connected to the integrating power meter 20 and the electric sensing unit 28 to receive the AC power supplied from the outside to operate the speaker 32 and the alarm lamp 34. That is, when the above-mentioned circuit breaker 22 breaks down, overcurrent flows in the column 12. Accordingly, the electrical sensing unit 28 and the IC circuit 30 are electrically connected, and the IC circuit 30 is alternating with each other. Generates a control signal by receiving power.

Finally, the speaker 32 generates a warning sound in response to the control signal output from the above-described IC circuit 30, and the alarm lamp 34 also blinks in response to the control signal output from the IC circuit 30. To emit light.

Hereinafter, according to the configuration as described above, when the earth leakage breaker 22 installed in the iron column 12 of the electrical facility has a failure, the over current flows to the iron column 12 and accordingly the current to the electrical detection unit 28 Will flow. Subsequently, the IC circuit 30 is electrically connected to the integrating power meter 20 and the electric sensing unit 28 to supply AC power to operate the alarm lamp 14 and the speaker 32. Citizens can then move away from the electrical facilities, thereby preventing human injury or fire.

As described above, the present invention by installing a separate earth leakage warning device on the pontoon of a street lamp or traffic signal installed on the road, when the electrical leakage of the electrical equipment due to the failure of the earth leakage breaker, the alarm device is operated to safety by electric shock There is an advantage that can prevent accidents in advance.

1 is a view showing the configuration of a traffic light among the facilities installed on the road according to an embodiment of the present invention.

Figure 2 is a view showing a detailed configuration of the ground fault alarm device installed in the traffic light shown in FIG.

FIG. 3 is a diagram illustrating a circuit configuration of the ground fault alarm device shown in FIG. 2.

<Description of the code | symbol about the principal part of drawing>

10: alarm device 12: pontoon

20: integrated power meter 22: earth leakage breaker

26: fixed band 28: electric detection unit

20: IC circuit 32: speaker

24: alarm light

Claims (2)

An electrical facility consisting of a pontoon 12 to be installed on the road, a control panel 36 for supplying power to the electrical facility, and an earth leakage breaker 22 to cut off the AC power when an overcurrent flows through the electrical facility. In the earth leakage alarm device of the road facility, An electric sensing unit (28) installed at the iron column (12) and detecting whether a current flows in the iron column (12); An IC circuit 30 connected to the electrical sensing unit 28 and electrically connected to the electrical sensing unit 28 to supply AC power to generate a control signal when the ground fault breaker 22 fails; ; Operated according to a control signal output from the IC (IC) circuit 30, the electric leakage of the road facility, characterized in that it comprises an alarm lamp 34 or a speaker 32 for indicating the state of leakage of the iron column 12 Alarm device. The method of claim 1, The electrical sensing unit 28 is a road facility electrical leakage warning device, characterized in that formed of a plate-type copper (CU) material.