KR100924832B1 - How to provide safety system and safety service - Google Patents

Abstract

The present invention relates to a safety system and a method for providing a safety service.

In the present invention, the safety system collects the entrance and exit vehicle information, the location information of the worker and equipment, the construction area information, etc. in the construction area during the road private construction, and through the ubiquitous sensor network based wireless communication, the risk based on the collected information It judges the situation and expresses the dangerous situation to the vehicle or workers and equipment in the construction area.

Road construction, safety, ubiquitous sensor network, USN, sensor

Description

System and method for providing safety service

The present invention relates to a safety system and a method for providing a safety service. In particular, the present invention relates to a safety system and a safety service providing method at the time of construction work.

The present invention is derived from the research conducted as part of the IT growth engine technology development project of the Ministry of Information and Communication and the Ministry of Information and Communication Research and Development. [Task Management No .: 2006-S-024-02, Title: USN Infrastructure-based Telematics Application Service Technology] Development].

Road private construction means all constructions that occupy and implement roads, such as road repair / expansion construction, road / transportation construction construction, and subway construction.

Once the road occupancy construction plan is established, the operator who carries out the construction obtains the execution permission according to the regulations of each local government and establishes the traffic treatment measures. And before the construction is carried out, banners and signboards are installed to promote the implementation of the construction, and during construction, information signs, signboards, detour promotional signs, etc. are installed, and workers guide them to the flags to promote to the driver and pedestrians.

However, if the promotion of the construction is promoted only in this way, the traffic flow may be interrupted by the interruption of the traffic flow, and the vehicle driver may be exposed to a dangerous situation due to temporarily installed promotional signs, which may result in life and property damage. have. In addition, workers and equipment in the areas where road construction is carried out are also exposed to dangerous situations that threaten lives and property.

Therefore, in road private construction, measures are needed to protect the lives of vehicle drivers and workers from dangerous situations and to prevent property damage.

The technical problem to be achieved by the present invention is to provide a safety system and a method of providing a safety service for protecting life and property from dangerous situations during road construction.

Method for providing a safety service in the safety system at the time of the road private works according to the characteristics of the present invention for achieving the above object,

Collecting location information, entry / exit vehicle information, and construction area information of workers and equipment corresponding to the construction area where the road private construction is carried out; Determining a risk situation based on the entry / exit vehicle information, the construction area information, and the location information; And expressing the risk situation based on the result of the risk situation determination.

In addition, the safety system according to another feature of the present invention,

A first sensor unit for collecting location information of a worker and equipment corresponding to a construction area where road utility construction is performed; A second sensor unit configured to collect entry / exit vehicle information and construction area information corresponding to the construction area; A display device for expressing a dangerous situation corresponding to the construction area; And a roadside device for determining a risk situation based on the location information, the entry / exit vehicle information, and the construction area information, and controlling the display device based on the determined danger situation.

According to the present invention, the entry and exit vehicle information, the location information of the worker and equipment, the construction area information, etc. during the road private construction is collected through the ubiquitous sensor network-based wireless communication, and the risk situation is determined based on the collected information The safety system that determines the dangerous situation for the workers or equipment in the vehicle or construction area entering the area has the effect of protecting the life and property of the vehicle driver and the workers and equipment in the road construction area from the dangerous situation.

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.

Throughout the specification, when a part is said to "include" a certain component, it means that it can further include other components, without excluding other components unless specifically stated otherwise. In addition, the terms “… unit” and the like described in the specification mean a unit for processing at least one function or operation, which may be implemented by hardware or software or a combination of hardware and software.

Now, with reference to the drawings with respect to the safety system and method for providing a safety service in the private road construction according to an embodiment of the present invention will be described in detail.

1 is an exemplary view showing an example of installation of a safety system at the time of the road utility construction according to an embodiment of the present invention.

Referring to FIG. 1, the safety system includes a fixed sensor unit 100, a mobile sensor unit 200, a roadside device 300, and a display device (not shown), and each component includes a ubiquitous sensor network. Communicate with each other via USN) based wireless communication.

The fixed sensor unit 100 includes sensors that are fixedly installed on a road in a construction area where road private works are performed, and performs a function of detecting a flow of a vehicle on a road. In addition, the fixed sensor unit 100 collects the entry and exit vehicle information including the vehicle presence, vehicle speed, inflow traffic volume and the like into the construction area through the sensor, and collects the construction area information, the roadside device 300 It also performs the function of passing to.

The movement sensor unit 200 includes sensors installed in a worker and equipment having mobility and performing work in a construction area. The movement sensor unit 200 collects real-time location information of each worker and equipment through a sensor and transmits the same to the roadside device 300.

The roadside device 300 classifies the dangerous situation step by step based on the information collected from the fixed sensor unit 100 and the mobile sensor unit 200, and displays the dangerous situation display command corresponding to the classified step (not shown). To pass).

The display device (not shown) performs a function of notifying the dangerous situation to the vehicle driver or the worker in the construction area based on the dangerous condition display command notified from the roadside device 300.

On the other hand, in the embodiment of the present invention has been described as a case where the communication between the components in the safety system is carried out by the sensor network-based wireless communication method as an example, the present invention is configured using another wireless communication method or wired communication method It is also possible to implement communication between the elements.

2 is a detailed view showing a safety system according to an embodiment of the present invention.

Referring to FIG. 2, the fixed sensor unit 100 includes sensors installed in a fixed type such as an entry sensor 110, an area sensor 120, and an entrance sensor 130, and an entrance / exit vehicle information, construction area information, and location. Collect information and deliver it to the roadside device (300).

The entry sensor 110 collects information such as whether there is a vehicle entering into the construction area, vehicle speed, inflow traffic, and the like, and the area sensor 120 collects construction area information according to the construction range and construction scale, 130 collects traffic volume information corresponding to vehicles entering the construction area and transmits the traffic volume information to the roadside device 300.

The movement sensor unit 200 includes a worker sensor 210 attached to the operator and an equipment sensor 220 attached to the equipment, and each of the sensors has a detachable mobility.

The worker sensor 210 collects the location information of the worker, and the equipment sensor 220 collects the location information of the construction equipment and transmits it to the roadside device 300.

The roadside device 300 includes a sensing processor 310, a risk determination unit 320, and an information providing unit 330. The roadside device 300 includes a risk based on information obtained from the fixed sensor unit 100 and the movement sensor unit 200. Judge the situation.

The sensing processor 310 receives the entry / exit vehicle information, the construction area information, the location information, and the like from the fixed sensor unit 100 and the movement sensor unit 200.

The risk determination unit 320 classifies the vehicle speed into stages based on the entry / exit information received by the sensing processing unit 310, and classifies the construction area into a plurality of zones according to the risk based on the construction area information. In addition, the risk situation is divided into stages based on the stage of entry / exit vehicle speed and the location information of workers and equipment. In addition, the risk situation presentation method is determined for each risk situation step and informs this to the information providing unit 330.

The information providing unit 330 transmits the risk situation expression method determined by the risk determination unit 320 to the expression device 400 and controls the risk situation to be expressed according to the predetermined expression method.

Meanwhile, if it is determined that the risk situation has been released before, the risk determining unit 320 further includes a function of transmitting information indicating that the risk situation has been released to the display device 400 through the information providing unit 330. .

The display device 400 includes a first display unit 410 for indicating a dangerous situation to a driver entering a construction area and a second display unit 420 for notifying a worker in a construction area of a dangerous situation, and a roadside device 300. The risk situation is expressed or released under the control of).

The first display unit 410 uses a form of a driver's perceptible form such as a variable message sign board to inform the driver of a dangerous situation, and the second display unit 420 indicates a dangerous situation. Use buzzer, speaker, lamp, alarm, vibration, etc. in the form of human perception.

3 is a flowchart illustrating a safety service providing method of a safety system according to an exemplary embodiment of the present invention.

3, the safety system obtains the entry and exit vehicle information through the fixed sensor unit 100 (S101). Here, the entry and exit vehicle information includes the presence or absence of vehicles entering and exiting the construction area, vehicle speed, inflow traffic, etc., the roadside device 300 divides the speed of each vehicle into one of three stages of low, medium, high.

In addition, the safety system periodically collects construction area information through the fixed sensor unit 100 (S103). Here, the construction area information includes information such as the extent and size of the area where the road private works are carried out, and the roadside device 300 based on this, three zones corresponding to the attention zone, danger zone, very dangerous zone Separate by.

In addition, the safety system periodically collects the position information of each worker and equipment from the movement sensor unit 200 (S105). Thus, based on the collected position information, the roadside device 300 determines which area of the construction area the location of each worker and equipment. On the other hand, the movement sensor unit 200 includes the identification information set for each sensor or for each operator or equipment when transmitting the location information, the roadside device 300, which worker or equipment corresponds to the corresponding location information You can judge.

As described above, when the speed of each vehicle entering and exiting the construction area and the location of each worker and equipment in the construction area are confirmed, the roadside device 300 determines the risk situation presentation method as shown in Table 1 below. (S106).

Table 1. Classification of Risk Situation

Referring to Table 1, when the vehicle speed is low and the location of the worker or the equipment is in the caution section, the roadside device 300 selects the caution information providing method as the risk situation display method. Here, the caution information providing method displays basic caution information to inform the driver that construction is in progress on a variable message sign board, etc. without expressing a dangerous situation, and provides caution information to the driver, and the vehicle enters the worker. This means how to provide attention information that you should be familiar with when you are at work.

On the other hand, when the vehicle speed is high and the location of the worker or the equipment is in a very dangerous section, the roadside device 300 determines the risk situation display method by notifying the vehicle driver as well as the worker in the construction area. .

As such, when the risk situation presentation method is determined by the roadside device 300, the safety system expresses the danger situation through the display device 400 based on the determined risk situation presentation method (S107).

On the other hand, the order in which the safety system collects the information in the step S101 to S105 is not determined, it may be performed in a different order depending on the order of collecting the information in the fixed sensor unit 100 and the mobile sensor unit 200. .

As described above, the vehicle information, the location information of the workers and equipment, the construction area information, etc. of the construction area during the road private construction is collected through USN-based wireless communication, and the risk situation is determined based on the collected information. A safety system that presents a dangerous situation to a vehicle entering a construction area or to workers and equipment in the construction area has the effect of protecting the life and property of the vehicle driver and the workers and equipment in the road construction area from danger situations.

The embodiments of the present invention described above are not implemented only through the apparatus and the method, but may be implemented through a program for realizing a function corresponding to the configuration of the embodiment of the present invention or a recording medium on which the program is recorded. Implementation may be easily implemented by those skilled in the art from the description of the above-described embodiments.

Although the embodiments of the present invention have been described in detail above, the scope of the present invention is not limited thereto, and various modifications and improvements of those skilled in the art using the basic concepts of the present invention defined in the following claims are also provided. It belongs to the scope of rights.

1 is an installation example of a safety system according to an embodiment of the present invention.

2 is a structural diagram of a safety system according to an embodiment of the present invention.

3 is a flowchart illustrating a safety service providing method according to an exemplary embodiment of the present invention.

Claims (10)

In the way that the safety system provides safety services during road construction work, Collecting location information, entry / exit vehicle information, and construction area information of a worker and equipment corresponding to a construction area where the road private construction is performed through a plurality of sensors; Selecting a speed step of the vehicle entering and leaving the construction area based on the entry and exit vehicle information; Classifying the construction area into a plurality of zones according to a risk level based on the construction area information; Determining an area in which the entry and exit vehicle is located among the plurality of zones based on the entry and exit vehicle information; Selecting a risk situation stage for the plurality of zones based on the selected speed stage and the zone in which the incoming vehicle is located; And Expressing the risk situation based on the selected risk situation stage Safety service providing method comprising a. delete The method of claim 1, The plurality of sensors includes at least one stationary sensor and at least one movable sensor, The collecting step, Collecting the entrance and exit vehicle information and the construction area information through the at least one fixed sensor; And Collecting the location information through the at least one mobile sensor Safety service providing method comprising a. delete The method of claim 1, The expressing step, Selecting a risk situation presentation method according to the selected risk situation step; And Expressing a risk situation based on the selected risk situation presentation method; Safety service providing method comprising a. The method of claim 5, The risk situation presentation method is a method of providing safety information corresponding to at least one of providing caution information corresponding to the road private construction, dangerous notification to the driver of the entry and exit vehicle and dangerous notification to the worker. The method of claim 1, The entrance and exit vehicle information includes at least one of the presence or absence of vehicles entering and exiting the construction area, the speed of the vehicle entering and leaving, and the amount of inflow traffic corresponding to the construction area. A first sensor unit for collecting location information of a worker and equipment in a construction area where road utility construction is performed; A second sensor unit which collects the entry / exit vehicle information including the speed of the vehicle entering and exiting the construction area and the construction area information; A display device for expressing a dangerous situation corresponding to the construction area; And A roadside device for controlling the display device based on the dangerous situation determined based on the information collected through the first sensor unit and the second sensor unit. Including, The roadside device, A sensing processor configured to receive the position information, the entry / exit vehicle information, and the construction area information from a first sensor unit and the second sensor unit; A risk determination unit selecting a risk situation step based on the location information, the entry and exit vehicle information, and the construction area information, and selecting a risk situation presentation method corresponding to the selected risk situation step; And Information providing unit for transmitting the risk situation expression method to the expression device. Safety system comprising a. delete The method of claim 8, The sensing processing unit communicates with the first sensor unit and the second sensor unit through a ubiquitous sensor network based wireless communication method.

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