JP2008269351A - Hazard prevention system and hazard prevention method - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a hazard prevention system excellent in safety using communication technique of ETC system. <P>SOLUTION: The hazard prevention system comprises a communication means which communicates with a radio communication device of a vehicle which is traveling in a first area (an area before branch to a toll collection lane) to preannounce radio toll collection; and an entrance limiting means which predicts approach of the vehicle to a second area following the first area based on the communication with the radio communication device by the communication means, limits approach (crossing) of a person to the second area, and releases the entrance limitation based on the lapse of a passing predicted time between the prediction of approach of the vehicle and the passing-through of the vehicle. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

  The present invention relates to a risk prevention technique applicable to, for example, an ETC system (Electronic Toll Collection system) that settles a toll using wireless communication.

  You pay tolls on the highway. The toll booth was set up on the expressway by the road operator to collect tolls. The toll booth collects charges for each vehicle, so it is divided into units called lanes, and there is a person called a toll beside the lane, which is responsible for collecting charges with cash. The work undertaken by this receiver is called "working".

  The booth is the place where the collector works for work. The collective works on a shift with other collectives at regular intervals. He is at the booth when he is working, and is at the toll office when not working. For this reason, the booth frequently goes back and forth between the booth and the toll booth office. The route from the toll booth office to the booth varies depending on the toll booth. At toll gates where there are underground passages and pedestrian bridges, you can use them safely to make a round trip. However, at the toll booth where there is no underpass or pedestrian bridge, it is necessary to cross the lane when going back and forth between the booth and the toll booth office.

  In recent years, the spread of ETC systems is remarkable. The ETC system automatically pays charges between the antenna unit installed on the roadside of the road and the communication device (hereinafter referred to as on-vehicle device) mounted on the vehicle using wireless communication. This is a non-stop system. Vehicle information is recorded on the vehicle-mounted device, and a contact IC card on which credit information is recorded is mounted on the vehicle-mounted device. With the spread of such ETC systems, the number of vehicles that pass through the toll gate lanes without stopping has increased. As a result, the risk of people crossing roads is increasing. There is an urgent need to ensure the safety of the recipient.

  As described above, highway toll gates do not have a sufficient function to suppress crossing even though people cross the road. In addition, various equipment is installed on the side of the toll road, so the prospect is poor. It is a very dangerous environment where people cross a road with poor visibility and no traffic lights.

For example, a risk prevention measure has been proposed in which an access area where a toll collector enters and exits is blocked by a regulation bar (see Patent Document 1).
JP 2006-37404 A

  However, the above technology is not sufficient as a risk prevention measure, and a system with higher safety using the communication technology of the ETC system is desired.

  An object of the present invention is to solve the above-described problems, and to provide a danger prevention system and a danger prevention method excellent in danger prevention using communication technology of an ETC system.

  The danger prevention system and the danger prevention method of the present invention are configured as follows.

  (1) The danger prevention system according to the present invention is based on communication between a wireless communication device of a vehicle traveling in a first area and notifying the receipt of wireless charges, and communication between the wireless communication device by the communication device. Predict vehicle entry into the second area following the first area, restrict entry of persons into the second area, and restrict entry based on the passage of predicted time from vehicle entry prediction to passing through Admission restriction means for canceling.

  (2) The danger prevention system according to the present invention includes a first communication means for communicating with a wireless communication device of a vehicle traveling in the first area and notifying the receipt of the wireless fee, and the second communication via the first area. Based on communication between the second communication means for communicating with the wireless communication device of the vehicle traveling in the area and transmitting / receiving data necessary for toll collection, and the wireless communication device by the first communication means, the second area Predicting the entry of a vehicle into the second area, restricting the entrance of a person into the second area, and predicting passage of the vehicle from detection of vehicle passage based on communication by the second communication means or passing of the vehicle from prediction of passage. And admission restriction means for canceling admission restrictions based on the above.

  (3) The danger prevention method of the present invention is based on communication with the wireless communication device by the first communication unit for communicating with the wireless communication device of the vehicle traveling in the first area and notifying the receipt of the wireless fee. Predicting vehicle entry into the second area following the first area, restricting entry of persons into the second area based on the vehicle entry prediction, from vehicle entry prediction to passing through The entrance restriction will be canceled based on the estimated passage time.

  (4) The danger prevention method of the present invention is based on communication with the wireless communication device by the first communication unit for communicating with the wireless communication device of the vehicle traveling in the first area and notifying the receipt of the wireless fee. Predicting vehicle entry into the second area following the first area, restricting the entry of persons into the second area based on the vehicle entry prediction, and traveling in the second area Admission restriction based on the passage of vehicle passing detection or passing through prediction passing time based on communication by the second communication unit for communicating with the wireless communication device of the inside vehicle and transmitting and receiving data necessary for toll collection Is released.

  ADVANTAGE OF THE INVENTION According to this invention, the danger prevention system and danger prevention method excellent in the danger prevention using the communication technology of an ETC system can be provided.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings.

  FIG. 1 is a diagram illustrating an installation example of the danger prevention system according to the present embodiment.

  As shown in FIG. 1, the danger prevention system is applied in an environment where a toll booth office 5, a booth 6, an ETC lane 8, a general lane 9, and the like exist. For example, the danger prevention system includes a guidance display board 1, an antenna 2, a roadside indicator 3, a traffic control door 4, a warning antenna 7, and vehicle detectors 11 and 12.

  Since the toll collection in the ETC lane 8 is performed by wireless communication, the vehicle passes without stopping. Since payment is required when passing through the general lane 9, the vehicle is always stopped.

  The guidance display board 1 displays the operation status (such as ETC exclusive / general / mixed ETC and general). The guidance display board 1 is installed in the upper part of the lane, and the driver of the vehicle approaching the toll gate confirms this display to determine whether the vehicle can pass through the lane.

  The roadside indicator 3 displays information for notifying whether or not the vehicle can pass based on the result of wireless communication between the vehicle-mounted device and the antenna 2.

  The traffic control door 4 is provided in the middle of the movement route 10 from the toll office 5 to the booth 6 and is a door for controlling entry into the ETC lane 8.

  The notification antenna 7 communicates with the vehicle-mounted device of the vehicle traveling in the first area, and transmits information for notifying the receipt of the wireless fee. In other words, the notice antenna 7 communicates with the vehicle-mounted device of the vehicle that is traveling in the radio charge collection notice area before branching to a plurality of ETC lanes, and transmits information for notifying the receipt of the radio charge. The vehicle-mounted device receives the information for notifying the receipt of the wireless fee, checks in advance that the IC card is not inserted, and displays the check result on the display unit (or audio unit) (or audio guidance).

  The antenna 2 is an antenna for wirelessly communicating with the vehicle-mounted device of the vehicle that is traveling in the second area via the first area and transmitting / receiving data necessary for toll collection. As a result of the wireless communication with the antenna 2 Is displayed (or voice-guided) on the display unit (or voice unit) of the vehicle-mounted device. In other words, the antenna 2 is an antenna for transmitting and receiving data necessary for toll collection by communicating with the vehicle-mounted device of the vehicle traveling in the ETC lane.

  The vehicle detector 11 detects the approach of the vehicle into the lane. The vehicle detector 12 detects exit of the vehicle from the lane (passage of the lane). That is, these vehicle detectors 11 and 12 detect vehicles passing through each ETC lane.

  2A and 2B are diagrams illustrating an example of a control system of the danger prevention system according to the present embodiment.

  As shown in FIG. 2A, the danger prevention system includes a lane control device 20a. The lane control device 20a controls the display of the guidance display board 1 and the roadside display 3 based on information from the vehicle detector 11, the vehicle detector 12, and the antenna 2, or transmits the information to the vehicle-mounted device via the antenna 2. Information is controlled and locking of the traffic control door 4 is controlled.

  As shown in FIG. 2B, the danger prevention system includes a notice lane control device 20b. The warning lane control device 20b controls information transmitted to the vehicle-mounted device via the warning antenna 7, and controls locking of the traffic control door 4 and the like.

  As shown in FIG. 1, the traffic control doors 4 are installed on the left and right sides of the ETC lane. The installation position of the traffic control door 4 shown in FIG. 1 is merely an example and is not limited to this installation position. For example, it may be shifted to the vehicle entry side and the vehicle exit side.

  As shown in FIG. 3, the traffic control door 4 includes a control unit 41, a right door 42, and a left door 43. The right door 42 includes a road number display unit 421 and a road number clear button 422. The left door 43 includes a road number display unit 431 and a road number clear button 432. The control unit 41 is connected to the lane control device 20a and the lane control device 20b for notice, and monitors the opening and closing of the right door 42 and the left door 43. Further, the control unit 41 monitors whether the right door 42 and the left door 43 are opened / closed from the inside / outside, and monitors the presence of a person in the ETC lane 8. For example, the control unit 41 includes a person detection signal from a person detection sensor installed outside (in the ETC lane 8) and inside (in the ETC lane 8) of the right door 42, and outside of the left door 43 (ETC lane 8). Person detection signals from person detection sensors installed on the outside and inside (in the ETC lane 8) are input. Thereby, the control unit 41 monitors the presence of a person in the ETC lane 8 from the input timing of the person detection signal from each person detection sensor and the opening / closing timing of the right door 42 and the left door 43. For example, the toll person heads from the toll booth office 5 to the booth 6 along the movement route 10 for work. At this time, the right door 42 and the left door 43 are opened and closed.

  Specifically, the control unit 41 receives a person detection signal from a person detection sensor installed outside the right door 42 (outside the ETC lane 8), the right door 42 detects opening and closing, and the inside of the right door 42 When a person detection signal is received from a person detection sensor installed in (ETC lane 8), it is determined that a person has entered ETC lane 8. Further, the control unit 41 receives a person detection signal from a person detection sensor installed inside the right door 42 (in the ETC lane 8), the right door 42 detects opening and closing, and the outside of the right door 42 (ETC lane). When a person detection signal is received from a person detection sensor installed outside (8), it is determined that the person has left the ETC lane 8.

  Similarly, the control unit 41 receives a person detection signal from a person detection sensor installed outside the left door 42 (outside the ETC lane 8), the left door 42 detects opening and closing, and inside the left door 42 (ETC). When a person detection signal is received from a person detection sensor installed in the lane 8), it is determined that a person has entered the ETC lane 8. Furthermore, when a person detection signal is received from a person detection sensor installed inside the left door 42 (in the ETC lane 8), the left door 42 detects opening and closing, and installed outside the left door 42 (outside the ETC lane 8). When the person detection signal is received from the detected person detection sensor, it is determined that the person has left the ETC lane 8.

  Here, the door locking process will be described.

  In this system, when it is detected that the vehicle has entered, the passage control door 4 (the right door 42 and the left door 43) is locked in order to suppress the entry of a person.

  The first door locking process will be described. As shown in FIG. 4, when the vehicle detector 11 detects the entry of a vehicle, the vehicle detection result by the vehicle detector 11 is notified to the lane control device 20a. The lane control device 20 a notifies the traffic control door 4 of the vehicle approach based on the vehicle detection by the vehicle detector 11. Upon receiving this notification, the control unit 41 of the traffic control door 4 instructs the right door 42 and the left door 43 to be locked, and the right door 42 and the left door 43 are locked.

  Next, the second door locking process will be described. As shown in FIG. 6, the notice antenna 7 communicates with the vehicle and detects the vehicle. The vehicle detection result by the notification antenna 7 is notified to the lane control device 20b for notification. The notification lane control device 20b notifies the traffic control door 4 of vehicle approach (prediction) based on vehicle detection by the notification antenna 7. Upon receiving this notification, the control unit 41 of the traffic control door 4 instructs the right door 42 and the left door 43 to be locked, and the right door 42 and the left door 43 are locked.

  In addition, when the distance from the notice antenna 7 to the installation location of the traffic control door 4 is long, waiting time may occur if the right door 42 and the left door 43 are locked at the vehicle detection timing by the notice antenna 7. In order to shorten this waiting time, the lane control device for warning 20b counts a predetermined time by a timer based on the vehicle detection by the notification antenna 7, and the vehicle enters (predicts) the traffic control door 4 after the lapse of the predetermined time. To be notified. Accordingly, the control unit 41 of the traffic control door 4 instructs the right door 42 and the left door 43 to be locked after a predetermined time from vehicle detection by the notification antenna 7. Alternatively, in order to shorten the waiting time, the control unit 41 of the traffic control door 4 that has received the notification of vehicle approach (prediction) counts a predetermined time by a timer, and after the predetermined time has elapsed, Alternatively, locking may be instructed.

  Next, the door unlocking process will be described.

  In this system, when it is detected that the vehicle has exited (passed) from the lane, the passage control door 4 (the right door 42 and the left door 43) is unlocked to allow the person to enter. The door unlocking process will be described below.

  The first door unlocking process corresponding to the first door locking process will be described. As shown in FIG. 5, when the vehicle detector 12 detects the exit of the vehicle, the vehicle detection result by the vehicle detector 12 is notified to the lane control device 20a. The lane control device 20a checks whether or not there is a vehicle in the lane. Specifically, the lane control device 20a adds (+1) the number of vehicles in the vehicle detection (entrance detection) of the vehicle detector 11 and subtracts the number of vehicles in the vehicle detection (exit detection) of the vehicle detector 12. (-1) The lane control device 20a determines that there is no vehicle in the lane based on the number of vehicles in the vehicle, and notifies the passage control door 4 of the vehicle exit. Upon receiving this notification, the control unit 41 of the traffic control door 4 instructs the right door 42 and the left door 43 to unlock, and the right door 42 and the left door 43 are unlocked.

  Subsequently, a second door unlocking process corresponding to the second door locking process will be described. When the antenna 2 communicates with the vehicle-mounted device of the vehicle traveling in the ETC lane and transmits / receives data necessary for toll collection, the lane control device 20a detects vehicle passage from this data transmission / reception. The lane controller 20a notifies the passage control door 4 of vehicle passage (prediction) based on vehicle passage detection. Correspondingly, the control unit 41 of the traffic control door 4 instructs the right door 42 and the left door 43 to unlock, and the right door 42 and the left door 43 are unlocked.

  Alternatively, the warning lane control device 20b counts the time by a timer based on the vehicle detection by the warning antenna 7, and passes the vehicle with respect to the traffic control door 4 after the predicted passing time from the vehicle prediction to the passing through (elapsed time). Notification). As a result, the control unit 41 of the traffic control door 4 instructs the right door 42 and the left door 43 to be unlocked after the predicted passing time from the vehicle detection by the notification antenna 7, and the right door 42 and the left door The door 43 is unlocked. Or the control part 41 of the traffic control door 4 which received the notification of vehicle approach (prediction) counts time with a timer, and after passing prediction time from a vehicle approach prediction to passing through, the right door 42 and the left door 43 May be instructed to lock. In the first door unlocking process, as described above, the right door 42 and the left door 43 may be unlocked after the predicted passage time has passed. Thereby, it is possible to prevent the right door 42 and the left door 43 from being locked due to a failure or the like.

  Next, notification processing for notifying the vehicle of a person entering the ETC lane will be described. As vehicle notification means, an in-vehicle device (display or sound), a roadside indicator 3, and a guidance display board 1 are listed.

(1) Notification by instruction to vehicle-mounted device using wireless communication The control unit 41 of the traffic control door 4 monitors whether each of the right door 42 and the left door 43 is opened / closed from inside / outside. Thereby, it is detected that a person has entered the ETC lane. As shown in FIG. 7, when the traffic control door 4 (the control unit 41) detects that a person has entered the ETC lane, the traffic control door 4 notifies the lane control device 20a and the lane control device 20b for notice of the entry of a person. . The lane control device 20a and the notice lane control device 20b that have received the person approach notification urge “stop” or “slow down” to the OBE instruction information to be notified to the OBE after the timing at which the person approach notification is received. Set information. Regardless of the result of the fee collection processing by wireless communication, the vehicle-mounted device instruction information including information prompting “stop” or “slow down” is transmitted to the vehicle-mounted device. As a result, the vehicle-mounted device that has received information from the notification antenna 7 and the antenna 2 displays information or promptly outputs information prompting “stop” or “slow down”.

(2) Notification by display on the roadside indicator 3 As shown in FIG. 8, when the traffic control door 4 (control unit 41) detects that a person has entered the ETC lane, a person is notified to the lane control device 20a. Notify the entry of. The lane control device 20a that has received the person entry notification instructs the roadside display 3 to display “stop” or “slow down” after the timing at which the person entry notification is received. Note that the display of “stop” or “slow down” is instructed regardless of the result of the fee collection processing by wireless communication. As a result, the roadside display 3 displays “stop” or “slow down”.

(3) Notification by display on the guidance display board 1 As shown in FIG. 9, when the traffic control door 4 (control unit 41) detects that a person has entered the ETC lane, a person is notified to the lane control device 20a. Notify the entry of. The lane control device 20a that has received the person entry notification instructs the guidance display board 1 to display “not in operation” after the timing at which the person entry notification is received. It should be noted that the display of “not in operation” is instructed regardless of the result of the fee collection processing by wireless communication. Thereby, the guidance display board 1 displays “Non-operating”.

  Next, a notification switching process for switching to a notification permitting entry to the vehicle when it is detected that a person has left the lane will be described.

(1) Notification by instruction to vehicle-mounted device using wireless communication The control unit 41 of the traffic control door 4 monitors whether each of the right door 42 and the left door 43 is opened / closed from inside / outside. Thereby, it is detected that the person has left the ETC lane. As shown in FIG. 10, when the traffic control door 4 (control unit 41) detects that a person has left the ETC lane, the traffic control door 4 (not shown) notifies the lane control device 20a and the lane control device 20b for notice of the person leaving. . The lane control device 20a and the notice lane control device 20b that have received the person leaving notification transmit onboard device instruction information that permits entry to the wirelessly communicated onboard device after the timing at which the person leaving notification is received. This in-vehicle device instruction information includes a result of fee collection processing by wireless communication. Thereby, the vehicle-mounted device displays or outputs the result of the toll collection process and the entry permission.

(2) Notification by display on the roadside indicator 3 As shown in FIG. 11, when the traffic control door 4 (control unit 41) detects that a person has left the ETC lane, a person is notified to the lane control device 20a. Notify the exit of. The lane control device 20a that has received the person leaving notification instructs the roadside display 3 to display the result of the toll collection process by wireless communication and the information that permits entry after the timing of receiving the person leaving notice. As a result, the roadside display 3 displays the result of the toll collection process by wireless communication and the information for permitting entry.

(3) Notification by display on the guidance display board 1 As shown in FIG. 12, when the traffic control door 4 (control unit 41) detects that a person has left the ETC lane, a person is notified to the lane control device 20a. Notify the exit of. The lane control device 20a that has received the person leaving notification instructs the roadside display 3 to display during operation after the timing at which the person leaving notice is received. Thereby, the roadside indicator 3 displays that it is in operation.

  Next, the number management process in the ETC lane in the traffic control door 4 will be described. The traffic control door 4 manages the number of people in the ETC lane to ensure safety.

  As shown in FIG. 3, the traffic control door 4 includes a control unit 41, a right door 42, and a left door 43. Further, the right door 42 includes a road number display unit 421 and a road number clear button 422. The left door 43 includes a road number display unit 431 and a road number clear button 432. Further, the control unit 41 is connected to the lane control device 20 a and monitors the opening and closing of the right door 42 and the left door 43. Further, the control unit 41 monitors whether the right door 42 and the left door 43 are opened / closed from the inside / outside, and monitors the presence of a person in the ETC lane 8.

  Hereinafter, the number management process in the ETC lane will be described with reference to FIG.

(1) About Opening from Outside the Road When the controller 41 detects opening from outside the ETC lane 8 (ST1, opening from outside the road), it determines that “a person has entered the road”. Specifically, the control unit 41 receives a person detection signal from a person detection sensor installed outside the right door 42 (outside the ETC lane 8), the right door 42 detects opening and closing, and the inside of the right door 42 When a person detection signal is received from a person detection sensor installed in (ETC lane 8), it is determined that a person has entered ETC lane 8. Or the control part 41 receives the person detection signal from the person detection sensor installed in the outer side (outside the ETC lane 8) of the left door 42, the left door 42 detects opening and closing, and the inner side (ETC lane) of the left door 42 When a person detection signal is received from the person detection sensor installed in (8), it is determined that a person has entered the ETC lane 8.

  The control unit 41 that has made the person approach determination adds (plus 1) the number of people in the ETC lane 8 (ST2). Furthermore, the control unit 41 notifies the right door 42 and the left door 43 of the number of people in the ETC lane 8 (ST5). Thereby, the number of people notified in the road number display part 421 of the right door 42 is displayed, and the number of people displayed in the road number display part 431 of the left door 43 is also displayed. If the number of persons in the ETC lane 8 is one or more and the previous notification to the lane control device 20a and the lane control device 20b is a person exit (ST7, YES), the control unit 41 determines the lane control device 20a and the lane for notification. A person approach is notified to the control device 20b (ST9). As a result, a warning is notified from the antenna 7 and the antenna 2 for notification to the vehicle-mounted device, and the vehicle-mounted device displays the warning and outputs the sound. If the previous notification to the lane control device 20a and the lane control device 20b for notice is also a person approach (NO in ST7), the lane control device 20a and the lane control device 20b for notice are not particularly notified of the person approach (ST8). ).

(2) About Opening from the Road When the control unit 41 detects opening from the ETC lane 8 (ST1, opening from the road), it determines that “a person has left the road”. Specifically, the control unit 41 receives a person detection signal from a person detection sensor installed inside the right door 42 (in the ETC lane 8), the right door 42 detects opening and closing, and the outside of the right door 42. When a person detection signal is received from a person detection sensor installed outside (outside ETC lane 8), it is determined that a person has left the ETC lane 8. Or the control part 41 receives the person detection signal from the person detection sensor installed in the inner side (ETC lane 8) of the left door 42, the left door 42 detects opening and closing, and the outer side (ETC lane) of the left door 42 When a person detection signal is received from a person detection sensor installed outside (8), it is determined that the person has left the ETC lane 8.

  The control unit 41 that has made the person leaving determination subtracts (minus 1) the number of people in the ETC lane 8 (ST3). Furthermore, the control unit 41 notifies the right door 42 and the left door 43 of the number of people in the ETC lane 8 (ST5). Thereby, the number of people notified in the road number display part 421 of the right door 42 is displayed, and the number of people displayed in the road number display part 431 of the left door 43 is also displayed. If the number of persons in the ETC lane 8 is zero and the previous notification to the lane control device 20a and the warning lane control device 20b is a person approach (ST6, YES), the control unit 41 will control the lane control device 20a and the warning lane control. The person leaving is notified to the apparatus 20b (ST10). Thereby, the information which permits driving | running | working is notified with respect to the onboard equipment from the antenna 7 for notification and the antenna 2, and the onboard equipment displays and outputs the information which permits traveling. If the number of people in the ETC lane 8 is not zero, the lane control device 20a and the lane control device 20b for notice are not particularly notified of the person leaving (ST8).

(3) About pressing the clear number of people on the road For example, if two people enter the ETC lane 8 separately and two people leave at the same time, “the number of people on the road = 1” even though there is no person in the ETC lane 8 " In other cases, there is a possibility that “the number of people on the road ≠ 0” even if the person is not on the road. Therefore, the traffic control door 4 has a function of unlocking the right door 42 and the left door 43 in response to pressing of the in-road number clear button 422 or the in-road number clear button 432. It should be noted that the number of people on the road is not 0 even though the person is on the road. Thereby, safety is ensured.

  The number of people on the road is managed by the control unit 41. The pressing of the in-road number clear button 422 or the in-road number clear button 432 is notified to the control unit 41 (ST1, clear button). The control unit 41 that has received a notification of pressing the number-of-people clear button 422 or the number-of-people clear button 432 sets the number of people on the road to 0 (ST4). The number of people in the road is also notified to the right door 42 and the left door 43 (ST5). Thereby, the number of people notified in the road number display part 421 of the right door 42 is displayed, and the number of people displayed in the road number display part 431 of the left door 43 is also displayed. If the previous notification to the lane control device 20a is the entry of a person (ST6, YES), the lane control device 20a is notified of the person leaving (ST10).

  Note that the right door 42 and the left door 43 may be locked even though there are people on the road. Therefore, the right door 42 and the left door 43 are configured such that they can be opened at any time from the ETC lane 8 even if the right door 42 and the left door 43 are locked.

  This embodiment will be summarized below.

  (1) According to the present embodiment, it is possible to notify that one of the two has reached the other path in a case where there is a possibility of collision due to two things moving forward. For example, on a road, the vehicle can be notified that a person is crossing the road. Further, in the lane of the toll gate where the ETC system is introduced, it is possible to notify the vehicle that a person has entered the road.

  (2) According to the present embodiment, in the case where there is a possibility of collision due to the progress of two things, it is possible to suppress (prevent) the entry of the other by detecting that one has entered the other course. This makes it possible to suppress (stop) the progress of the other by detecting the approach of one and reduce the collision frequency. For example, it is possible to suppress a person's crossing of the road on the road by detecting the approach of the vehicle. Moreover, in the lane of the toll gate where the ETC system is introduced, it is possible to suppress the crossing of a person's road by detecting the vehicle entering the lane. Thereby, the frequency of accidents caused by crossing the road can be reduced.

  (3) According to this embodiment, in a place provided with a closed space and a door that enters and exits, it is inside by distinguishing and monitoring the opening from the inside and the opening from the outside. Know the number of people. For example, when crossing a road, the number of people on the inside can be grasped by distinguishing and monitoring the opening of the doors provided on both sides of the road from the inside of the road and the opening from the outside of the road. In addition, in the lane crossing of the toll gate provided on the expressway, the number of people on the inside can be grasped by distinguishing and monitoring the opening from the inside of the road and the opening from the outside of the road provided on both sides of the road.

  Note that the present invention is not limited to the above-described embodiment, and various modifications can be made without departing from the scope of the invention in the implementation stage. In addition, the embodiments may be appropriately combined as much as possible, and in that case, the combined effect can be obtained. Further, the above embodiments include inventions at various stages, and various inventions can be extracted by appropriately combining a plurality of disclosed constituent elements. For example, even if some constituent requirements are deleted from all the constituent requirements shown in the embodiment, the problem described in the column of the problem to be solved by the invention can be solved, and the effect described in the column of the effect of the invention Can be obtained as an invention.

It is a figure which shows the example of installation of the danger prevention system which concerns on this embodiment. It is a figure which shows an example of the control system of the danger prevention system which concerns on this embodiment. It is a figure which shows an example of the control system of the danger prevention system which concerns on this embodiment. It is a figure which shows an example of schematic structure of a traffic control door. It is a figure for demonstrating a 1st door locking process. It is a figure for demonstrating the 1st door unlocking process corresponding to a 1st door locking process. It is a figure for demonstrating a 2nd door locking process. It is a figure for demonstrating an example of the notification process (attention alert) with respect to the vehicle by radio | wireless communication. It is a figure for demonstrating an example of the notification process (attention alert) with respect to the vehicle by a roadside indicator. It is a figure for demonstrating an example of the notification process (attention alert) with respect to the vehicle by a guidance display board. It is a figure for demonstrating an example of the notification process (attention alert cancellation | release) with respect to the vehicle by wireless communication. It is a figure for demonstrating an example of the notification process (attention alert cancellation | release) with respect to the vehicle by a roadside indicator. It is a figure for demonstrating an example of the notification process (attention alert cancellation | release) with respect to the vehicle by a guidance display board. It is a flowchart which shows an example of a person number management process in an ETC lane.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 ... Information display board, 2 ... Antenna, 3 ... Roadside indicator, 4 ... Traffic control door, 5 ... Toll booth office, 6 ... Booth, 7 ... Antenna for notice, 8 ... ETC lane, 9 ... General lane, 11 , 12 ... Vehicle detector, 20a ... Lane control device, 20b ... Trailing lane control device, 41 ... Control unit, 42 ... Right door, 43 ... Left door, 421 ... Road number display unit, 422 ... Road number clear Button, 431 ... Number of people on road display section, 432 ... Number of people on road clear button 432

Claims (12)

Communication means for communicating with the wireless communication device of the vehicle traveling in the first area and notifying the receipt of wireless charges;
Predicting the entry of a vehicle into the second area following the first area based on communication with the wireless communication device by the communication means, restricting the entrance of a person into the second area, and entering the vehicle Admission restriction means for canceling the admission restriction based on the passage of predicted passage time from prediction to passage,
Hazard prevention system with. First communication means for communicating with a wireless communication device of a vehicle traveling in the first area and notifying the receipt of wireless charges;
A second communication means for communicating with a wireless communication device of a vehicle traveling in the second area via the first area and transmitting / receiving data necessary for toll collection;
Predicting entry of a vehicle into the second area based on communication with the wireless communicator by the first communication means, restricting the entrance of a person into the second area, and the second communication means. Admission restriction means for canceling admission restriction based on the passage of predicted time from vehicle passage detection based on communication by the vehicle or vehicle entry prediction to passage,
Hazard prevention system with. A person detection means for detecting a person entering the toll collection lane;
A communication means for communicating with a wireless communicator of a running vehicle, notifying the receipt of a wireless fee, and notifying information corresponding to detection of a person entering by the person detecting means;
Hazard prevention system with.   The danger prevention system according to claim 3, further comprising guidance display means for guiding and displaying information corresponding to detection of a person entering by the person detection means.   4. The danger prevention system according to claim 3, further comprising guidance display means for guiding and displaying entry prohibition information in response to detection of a person entering by the person detection means. A person monitoring means for detecting a person entering the toll collection lane and a person leaving the toll collection lane, and predicting the number of persons in the toll collection lane;
Communicating with a wireless communication device of a running vehicle, notifying the reception of wireless charges, and notifying the first information corresponding to the prediction that there is a person in the charge collection lane by the person monitoring means, the person monitoring means A communication means for notifying the second information in response to the prediction of no person in the toll collection lane according to
Hazard prevention system with. Based on the communication with the wireless communicator by the first communication unit for communicating with the wireless communicator of the vehicle traveling in the first area and notifying the receipt of the wireless fee, the succeeding first of the first area Predict the entry of vehicles into area 2
Restricting entry of persons into the second area based on the vehicle approach prediction;
A risk prevention method for canceling the entrance restriction based on the passage of predicted time from the entry of the vehicle to the passage. Based on the communication with the wireless communicator by the first communication unit for communicating with the wireless communicator of the vehicle traveling in the first area and notifying the receipt of the wireless fee, the succeeding first of the first area Predict the entry of vehicles into area 2
Restricting entry of persons into the second area based on the vehicle approach prediction;
Passing through from the vehicle passage detection based on communication by the second communication unit for communicating with the wireless communication device of the vehicle traveling in the second area and transmitting / receiving data required for toll collection or from entering the vehicle to passing through A risk prevention method that removes admission restrictions based on the estimated time. Detect a person entering the toll collection lane,
A risk prevention method of communicating with a wireless communication device of a running vehicle, notifying the receipt of a wireless fee and notifying information corresponding to the detection of the person entering.   The danger prevention method according to claim 9, wherein information corresponding to the person's entry detection is displayed as guidance.   The danger prevention method according to claim 9, wherein guidance prohibition information is displayed in response to detection of the person entering. Detects the entry of persons into the toll collection lane and the exit of persons from the toll collection lane, predicts the number of persons in the toll collection lane,
Communicates with the wireless communication device of the vehicle in progress, notifies the wireless toll collection, notifies the first information corresponding to the prediction that there is a person in the toll collection lane, and predicts that there is no person in the toll collection lane A risk prevention method for notifying the second information in response to.

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