KR100502210B1 - Alarming system for protecting workers on the road - Google Patents

Abstract

The present invention is installed in a variety of traffic safety facilities, when the shock is applied from the sensor terminal device transmits a danger signal to indicate the danger and generates an alarm sound to transmit to the portable terminal device and the portable terminal device for the vehicle carrying the worker The present invention relates to an alarm system for worker protection that not only prevents accidents by rushing to the work place but also prevents loss of life and property.

To this end, the present invention is installed in a traffic safety facility, the sensor terminal device for transmitting a danger signal to the outside to sense the impact applied when the impact is applied to the traffic safety facility; Receiving a dangerous signal transmitted through the sensor terminal device, and includes a portable terminal device and a mobile terminal device for the vehicle to generate an alarm sound in response to the received dangerous signal, facility maintenance workers to complete the work in a safe environment It is characterized by that it was possible to.

Description

ALARMING SYSTEM FOR PROTECTING WORKERS ON THE ROAD}

The present invention relates to a warning system for worker protection, which is installed in a traffic safety facility and causes accidents by rushing to a worker's work location without finding a traffic safety facility due to carelessness or drowsy driving of a driver who is on a highway or national road. The present invention relates to an alarm system for worker protection, which prevents the loss of life and property in advance.

In general, the traffic safety facilities as shown in Figure 1 is installed in front of the work position in order to promote safety during the repair or repair of the road on the road to enable the driver to operate the road to detect the presence of the driver in advance It is manufactured and supplied to induce safe operation and to create an optimal traffic environment by completing work in a safe environment.

However, on highways, national roads, and local roads, the traffic safety facilities are not recognized due to drowsy driving or carelessness of drivers every year, and they collide with each other and threaten the safety of facility maintenance workers who install and work with traffic safety facilities. There is a situation.

In the case of Korea Expressway Corporation, which manages and is responsible for most roads, the post-installation work of traffic safety facilities is well performed, but the place where the workers work by shocking and passing the traffic safety facilities due to the driver's carelessness, drowsy driving, etc. Injuries, as well as deaths, have led to several problems, including the loss of dozens of people each year, as well as property damage and inefficiency in compensation.

The present invention has been made to solve the above problems, the object of the vehicle is installed in a traffic safety facility for the safety of workers who work to install and repair the hand of the road or facilities, etc. The present invention provides an alarm system for worker protection that recognizes and induces a slow driving and a vehicle is impacted by the impact of the traffic safety facility so that a vibration and an alarm are generated to a worker.

Alarm system for worker protection according to an aspect of the present invention for achieving the above object, is installed in a traffic safety facility, the sensor terminal for transmitting a danger signal to the outside to sense the impact applied when the impact is applied to the traffic safety facility Device; Receiving a dangerous signal transmitted through the sensor terminal device, and includes a portable terminal device and a mobile terminal device for the vehicle to generate an alarm sound in response to the received dangerous signal, facility maintenance workers to complete the work in a safe environment It is characterized by that it was possible to.

Preferably, when there is a communication failure, the signal is amplified to a predetermined size so that a signal of either the normal signal or the danger signal generated from the sensor terminal device can reach the portable terminal device and the vehicle portable terminal device. It is characterized in that it further comprises a signal repeater for relaying to be transmitted normally.

More preferably, the sensor terminal device, the power supply unit for supplying power to each part; A sensor unit configured to detect a shock amount applied to the traffic safety facility from a vehicle and generate a danger signal; Controls the function of each part, and controls to transmit the display signal indicating the danger generated in response to the danger signal generated in the sensor unit and the alarm sound generation signal for generating an alarm sound to the portable terminal device and the vehicle portable terminal device A control unit; A display unit configured to display an operation state in response to a normal signal or a dangerous signal detected from the sensor unit under control of the controller; And a wireless communication unit configured to enable one-way and two-way transmission and reception, and to transmit a corresponding signal to a portable terminal device and a vehicle portable terminal device under the control of the controller.

Still more preferably, the portable terminal device includes a power supply unit for supplying power to each unit; A wireless communication unit configured to transmit and receive a function signal including a normal signal and a danger signal transmitted from the sensor terminal device; Checking the state of the normal signal transmitted from the sensor terminal device via the wireless communication unit and the antenna to control the self-function diagnosis, while generating a vibration and alarm sound in response to the danger signal transmitted from the sensor terminal device A control unit for controlling to be; And a display unit for displaying the self-diagnostic information under the control of the controller, displaying the status information of the wireless communication, and displaying status information on the danger signal.

Still more preferably, the vehicle portable terminal apparatus is attached to the work vehicle in case of a failure of the portable terminal apparatus carried by the worker or the failure of recognizing a signal transmitted from the sensor terminal apparatus, and the power supply to each unit is performed. A power supply unit for supplying; A wireless communication unit configured to transmit and receive a function signal including a normal signal and a danger signal transmitted from the sensor terminal device; Controls the self-function diagnosis by checking the state of the normal signal transmitted from the sensor terminal device through the wireless communication unit and the antenna, and generates an alarm sound in response to the danger signal transmitted from the sensor terminal device. A control unit; And a display unit for displaying the self-diagnostic information under the control of the controller, displaying the status information of the wireless communication, and displaying status information on the danger signal.

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

In the present invention, when the impact is applied to the traffic safety facility from the sensor terminal device installed in the traffic safety facility, it is transmitted to the portable terminal device and the mobile terminal device for the vehicle to sound an alarm so that there is no loss of life and property in advance. An alarm system for protecting a worker will be described as a preferred embodiment, but the technical idea of the present invention is not limited thereto, but may be variously modified and modified by those skilled in the art.

When described in detail with reference to Figures 2 and 6 the worker protection alarm system according to an embodiment of the present invention.

Figure 2 is a block diagram for explaining the overall configuration of the worker protection alarm system according to an embodiment of the present invention, Figure 3 is a block diagram for explaining in detail the sensor terminal device of Figure 2, Figure 4 is a 5 is a block diagram illustrating the signal repeater in detail, FIG. 5 is a block diagram illustrating the portable terminal device of FIG. 2 in detail, and FIG. 6 is a block diagram illustrating the vehicle portable terminal device of FIG. 2 in detail. .

Referring to Figure 2, the worker protection alarm system according to an embodiment of the present invention is a traffic safety facility (5) (for example, road signs, parking lava, road control rods, color cones, lava cones, fences, reflectors, flashing lights, etc. Sensor terminal device 10 attached thereto, and a portable terminal device 30 and a vehicle portable terminal device 40 for receiving a normal signal and a dangerous signal detected by the sensor terminal device to generate an alarm sound. It is composed.

In addition, the worker protection alarm system is installed on a curved road or communication shaded area to amplify a dangerous signal generated from the sensor terminal device 10 to a predetermined size to the portable terminal device 30 and the mobile terminal device for a vehicle (40). It further comprises a signal repeater 20 to relay to reach).

The alarm system for worker protection is provided with a sensor terminal device (10) attached to the various traffic safety facilities (5) when the impact is applied to the traffic safety facilities (5) from the vehicle, the impact applied is detected, the danger signal for the detected shock Is transmitted to the portable terminal device 30 and the vehicle portable terminal device 40 to generate an alarm sound in the portable terminal device 30 and the vehicle portable terminal device 40. At this time, in the case of a curved road or a communication shaded area, the signal transmitted from the sensor terminal device 10 is transmitted to the portable terminal device 30 and the vehicle portable terminal device 40 through the signal repeater 20.

In addition, the worker protection alarm system includes a sensor terminal device 10, a repeater 20, a portable terminal device 30 and a vehicle portable terminal device 40 attached to the traffic safety facility (5).

The sensor terminal device 10 is attached to a variety of traffic safety facilities (5), and detects a variety of shocks from the attached traffic safety facilities (5) and the traffic hazard signal according to the detected impact amount of the portable terminal device for workers (30) And an operator's vehicle portable terminal device 40 to generate an alarm sound so that the worker and the work vehicle can prepare for the safety zone.

Referring to FIG. 3, the sensor terminal device 10 includes a power supply unit 11, a sensor unit 12, a control unit 13, a display unit 14, a wireless communication unit 15, an antenna 16, and the like. It includes.

The power supply unit 11 serves to supply power to each unit, and is configured as a low power power supply unit to minimize power consumption during operation to operate at 3.3v. At this time, do not exceed 10mW maximum.

In addition, since the power supply unit 11 is installed outside, the power supply unit 11 may be operated by a small battery (9v or less) because power is not easily applied. At this time, the power consumption and the remaining power can be displayed from the outside under the control of the controller 13 to easily and easily replace when the power is insufficient so that the sensor terminal device 10 always operates normally.

The sensor unit 12 serves to generate a danger signal when a vehicle moving on a road is impacted from the vehicle to the traffic safety facility 5 due to drowsy driving of the driver or carelessness and immaturity of the driver.

The control unit 13 checks and recognizes the signal generated by the sensor unit 12 at 232C or TTL level, and controls each function to be transmitted to the portable terminal 30 and the vehicle portable terminal device 40.

The display unit 14 is interfaced to the control unit 13 to display normal state information and dangerous state information in which the sensor unit 12 operates normally.

In addition, the display unit 14 displays whether the power is on or off from the control unit 13 that recognizes the on / off of the power so as to check whether or not the normal operation. At this time, the display unit 14 uses a low power LCD, LED, FND, and the like.

The wireless communication unit 15 is a low power wireless communication module is configured to enable one-way and two-way transmission and reception. At this time, the wireless communication unit 15 transmits the dangerous signal to the operator portable terminal device 30 and the vehicle portable terminal device 40 by the control of the control unit 13 at least 1200bps or more.

The signal repeater 20 serves to enable amplification of a weak signal to a predetermined size by shortening a communication distance or generating a shadowed area when there are obstacles in a curved road or communication. At this time, the signal repeater 20 relays the dangerous signal generated by the sensor terminal device 10 to reach the portable terminal device 30 and the vehicle portable terminal device 40 normally.

Referring to FIG. 4, the signal repeater 20 includes a power supply unit 21, a wireless communication unit 22, a control unit 23, a display unit 24, an antenna 25, and the like.

Since the power supply unit is the same as the power supply unit 11 of the sensor terminal device 10, description thereof will be omitted.

The wireless communication unit 22 receives a dangerous signal from the sensor terminal device 10 and transmits / receives the portable terminal device 30 and the vehicle terminal device 40 via the antenna 25.

The controller 23 amplifies a normal signal or a dangerous signal transmitted from the sensor terminal device through a wireless communication unit and an antenna to a predetermined size, and then controls the transmission to the portable terminal device 30 and the vehicle portable terminal device 40. do.

The display unit 24 is interfaced with the control unit 23 to display the self-diagnostic information and the wireless communication status information on the portable terminal device 10. At this time, when the danger signal is to be able to ring its own beep or external warning lights or emergency siren.

The portable terminal device 30 of the worker is carried by the worker from the sensor terminal device (10) attached to the traffic safety facility (5), the driver does not find out due to safety carelessness, immature, drowsy driving, etc. When a facility or sign is collided, it immediately detects and transmits an alarm signal so that vibrations and alarm sounds are generated in response to the transmitted alarm signal, allowing the operator to evacuate to a safe area.

At this time, the portable terminal device 30 is manufactured to be the smallest and is preferably carried in a part of the body of the worker so as to immediately know when the vibration and alarm sound occurs.

Since the portable terminal device 30 is installed outside, the portable terminal device 30 implements the actual operating temperature of -20 to +70 degrees.

Referring to FIG. 5, the portable terminal device 30 includes a power supply unit 31, a wireless communication unit 32, a control unit 33, a display unit 34, an antenna 35, and an alarm sound generating unit 36. ) And the vibration generating unit 37 and the like.

Since the power supply unit 31 is the same as the power supply unit 11 of the sensor terminal device 10, description thereof will be omitted.

The wireless communication unit 32 transmits a dangerous signal transmitted from the sensor terminal device 10 to the control unit 33 to be described later, and when the sensor terminal device 10 is attached to the traffic safety facility 5, a portable terminal device. 30 and the vehicle portable terminal device 40 performs a function of transmitting and receiving the function information whether the function operation is normal.

In addition, the wireless communication unit 32 is a low-power wireless communication module is configured to enable one-way and two-way transmission and reception, information to enable the control unit 33 to receive and transmit dangerous signals and self-diagnosis signal at least 1200bps or more The transmission path. At this time, the frequency band is a simple radio frequency band of the 200Mhz band or 400Mhz band, the bandwidth (Bandwith) is preferably 8k or more, the output is preferably less than 10mW.

The controller 33 checks the state of the danger signal and the sensor terminal device 10 received through the antenna 35 and the wireless communication unit 32 using a low power, low power consumption 8 bit MCU or MPU. By controlling self-function diagnosis and danger signal, vibration and alarm sound are generated.

In addition, the control unit 33 is provided with a separate switch (not shown) to perform the function of turning on / off the power when idle, such as non-working to manage power consumption, the display unit 34 and I to be described later / F to control the self-diagnosis for various functional operations to be displayed, and to control the error information to be displayed when a communication error with the sensor terminal device 10 is displayed.

The display unit 34 interfaces with the control unit 33 to display self-diagnostic information and wireless communication state information on a display device (for example, LCD, LED, FND, etc.).

The alarm sound generating unit 36 includes a signal generator such as a buzzer, and generates an alarm sound when the alarm sound generation signal for the danger signal is output from the control unit 33 from the sensor terminal device 10. At this time, it is preferable that the alarm sound such as the buzzer be louder so that the driver can easily detect it.

The vibration generating unit 37 in response to a buzzing sound due to the operation and movement of the vehicle, so that the vibration occurs when the vibration generating signal for the dangerous signal is output from the control unit 33 from the sensor terminal device 10. do. At this time, the vibration is preferably to increase the strength of the vibration so that the driver can recognize the danger signal.

The vehicle portable terminal device 40 of the worker is attached to the work vehicle in preparation for a failure of the portable terminal device 30 carried by the worker or a failure to recognize a signal transmitted from the sensor terminal device 10. In response to the normal signal and the danger signal transmitted from the sensor terminal device 10 to generate an alarm sound according to the normal operation or dangerous information.

Referring to FIG. 6, the vehicle portable terminal device 40 includes a power supply unit 41, a wireless communication unit 42, a control unit 43, a display unit 44, an antenna 45, and an alarm sound generating unit 46. The detailed description of each unit includes a power supply unit 31, a wireless communication unit 32, a control unit 33, a display unit 34, an antenna 35, and an alarm sound generating unit of the portable terminal device 30. Since it is the same as (46), it will be omitted.

Now, the communication protocol of the sensor terminal device 10, the portable terminal device 30 and the vehicle portable terminal device 30 will be described.

When power is turned on to the sensor terminal device 10, the portable terminal device 30, and the vehicle portable terminal device 40, it is determined that the signal is normal by sending a signal as shown in Table 1 below.

STX a CRC ETX

Here, STX is 0x02, ETX is 0x03, and CRC is a value obtained by XORing data between STX and ETX. In this case, a refers to all terminal devices.

First, when the sensor terminal device 10 is powered on, the sensor terminal device 10 sends a start signal to the portable terminal device 30, and receives a return signal according to the operation state check It reacts normally to the signal. At this time, the transmission signal of the sensor terminal device 10 is shown in Table 2.

STX s One 2 3 4 CRC ETX

Here, S means start, and 1234 means a terminal device serial number.

The terminal device serial number of 1234 may be increased as the traffic safety facility 5 is increased to the terminal device serial number or the entire serial number of the work adjacent area.

The transmission signals of the portable terminal device 30 and the vehicle portable terminal device 30 are shown in Table 3.

STX r One 2 3 4 CRC ETX

Here, r means return and 1234 means a terminal device serial number.

The portable terminal device 30 or the vehicle portable terminal device 40 transmits a signal for checking the state of the sensor terminal device 10 every 1 second. At this time, when the installation of the traffic safety facilities (5) is completed or if the number of facilities exceeds a certain unit or more, the sensor terminal device 10 and the state check is stopped and only when dangerous information is detected to detect.

That is, when the worker installs the traffic safety facility 5, the sensor terminal 10 installed in the traffic safety facility 10 is normally operated and displayed on the display unit 14 of the sensor terminal device 10 to check the function. This is to confirm whether the function is normal through communication between the vehicle 30 and the vehicle portable terminal device 40.

The transmission signal of the portable terminal device 30 or the vehicle portable terminal device 40 is shown in Table 4.

STX t One 2 3 4 CRC ETX

Here, t means a test and 1234 means a serial number of the terminal device.

In addition, the received signal of the portable terminal device 30 or the vehicle portable terminal device 40 is shown in Table 5.

STX g or b One 2 3 4 CRC ETX

Here, g is good, b means bad, and 1234 means the serial number of the terminal device.

In addition, the signals appearing when the collision of the sensor terminal device 10 attached to the traffic safety facility 5 is detected is shown in Table 6.

STX c One 2 3 4 CRC ETX

Here, c is a collision, which means that the impact is detected by the collision.

Referring to the operation of the traffic safety facility alarm system configured as described above, the sensor terminal device 10 is a traffic safety facility (5), such as road signs, parking baklava, driveway control rods, color bone, Lavacon, fence, reflector, flashing lights When a shock is applied from the vehicle, the alarm sound generation signal for the danger signal and the display signal informing of the danger are transmitted to the portable terminal device 30 and the portable terminal device 40 for the vehicle according to the applied shock.

Then, the portable terminal device 30 and the vehicle portable terminal device 40 allow the alarm sound to be generated according to the alarm sound generation signal for the danger signal transmitted from the sensor terminal device 10 and a display signal informing of the danger. It should be displayed on the display unit (eg, LCD, LED, FND) so that facility maintenance workers can quickly check the dangerous state and evacuate to the safe area.

By doing so, the worker can perform the work smoothly and can prevent the loss of life and property.

The present invention is not limited to the embodiments described above, and various modifications and changes can be made by those skilled in the art, which are included in the spirit and scope of the present invention as defined in the appended claims.

As described above, the present invention immediately receives an alarm signal generated from a mobile terminal device or a work vehicle terminal device each having a danger signal transmitted and received by the sensor terminal device to evacuate to the safety zone to facilitate the operator's smooth operation. Not only can it be carried out, but also it can prevent worker's life and property loss.

In addition, the present invention has the effect of reducing the cost by increasing the efficiency of the work by giving the psychological stability by making the worker safe from accident threats.

In addition, the present invention is easy to analyze the cause of the accident can be clearly masked the accidents and the accidents of the accident has the effect of reducing the incident cost.

1 is a view showing various conventional traffic safety facilities,

Figure 2 is a block diagram for explaining the overall configuration of the alarm system for worker protection according to an embodiment of the present invention,

3 is a block diagram for explaining in detail the sensor terminal device of FIG.

4 is a block diagram for explaining in detail the signal repeater of FIG.

FIG. 5 is a block diagram illustrating the portable terminal device of FIG. 2 in detail;

FIG. 6 is a block diagram illustrating the vehicle portable terminal device of FIG. 2 in detail. FIG.

<Explanation of symbols for the main parts of the drawings>

5: Traffic safety facility 10: Sensor terminal device

20: signal repeater 30: portable terminal device

40: Car portable terminal device

Claims (5)

A sensor terminal device 10 installed in the traffic safety facility and detecting a shock applied to the traffic safety facility and transmitting a danger signal to the outside; Receiving a dangerous signal transmitted through the sensor terminal device, including a portable terminal device 30 and a vehicle portable terminal device 40 for generating an alarm sound in response to the received dangerous signal, The portable terminal device, A power supply unit 31 for supplying power to each unit; A wireless communication unit 32 for transmitting and receiving a function signal including a normal signal and a danger signal transmitted from the sensor terminal device; Control the self-function diagnosis by checking the state of the normal signal transmitted from the sensor terminal device via the wireless communication unit, while controlling the vibration and alarm sound to be generated in response to the danger signal transmitted from the sensor terminal device A control unit 33; An alarm sound generation unit 36 for generating an alarm sound when an alarm sound generation signal for the danger signal from the sensor terminal device is output from the control unit 33; Vibration generating unit 37 for generating vibration when the vibration generating signal for the dangerous signal from the sensor terminal device is output from the control unit 33 in case the alarm sound from the alarm sound generating unit 36 is not heard. ); And And a display unit (34) for displaying the self-diagnostic information under the control of the controller, displaying the status information of the wireless communication, and displaying status information on the danger signal. The method of claim 1, If there is a communication failure, the signal is amplified to a predetermined size so as to reach the portable terminal device and the portable terminal device for a vehicle by amplifying any one of a normal signal or a danger signal generated from the sensor terminal device so that the corresponding signal is transmitted normally Worker protection alarm system, characterized in that it further comprises a signal repeater (20). The method of claim 1, wherein the sensor terminal device, A power supply unit 11 for supplying power to each unit; A sensor unit 12 generating a dangerous signal by detecting an applied shock amount when an impact is applied to a traffic safety facility from a vehicle; Controls the function of each part, and controls to transmit the display signal indicating the danger generated in response to the danger signal generated in the sensor unit and the alarm sound generation signal for generating an alarm sound to the portable terminal device and the vehicle portable terminal device A control unit 13; A display unit 14 for displaying an operation state in response to a normal signal or a dangerous signal detected from the sensor unit under control of the control unit; And It is configured to enable one-way and two-way transmission and reception, the alarm system for worker protection, characterized in that it comprises a wireless communication unit for transmitting the signal to the portable terminal device and the portable terminal device for the vehicle under the control of the controller. delete According to claim 1, The vehicle portable terminal device, It is attached to the work vehicle in case of a breakdown of the portable terminal device carried by the worker or in the case of not recognizing the signal transmitted from the sensor terminal device. A power supply unit 41 for supplying power to each unit; A wireless communication unit 42 for transmitting and receiving a function signal including a normal signal and a danger signal transmitted from the sensor terminal device; Controls the self-function diagnosis by checking the state of the normal signal transmitted from the sensor terminal device through the wireless communication unit and the antenna, and generates an alarm sound in response to the danger signal transmitted from the sensor terminal device. A control unit 43; And And a display unit (44) for displaying the self-diagnostic information under the control of the controller, displaying the status information of the wireless communication, and displaying status information on the danger signal.