JPS602243Y2 - Device that prevents vehicles from entering road tunnels, etc. - Google Patents

Description

[Detailed Description of the Invention] This invention relates to a control device that prohibits a vehicle from entering a road tunnel or the like in an emergency.

Conventionally, when a fire breaks out or traffic jams occur in a road tunnel, etc., fire detectors or traffic jam detectors operate to flash red traffic lights, electric display boards, etc. inside and outside the tunnel, or make announcements to prevent danger and prevent vehicles from moving. It was a warning that entry into the tunnel was prohibited.

However, with this visual and auditory approach, there were many expectations for the driver's full attention and morals, and some cars continued to enter the tunnel, creating a dangerous situation.

In such cases, it is possible to physically prevent vehicles from entering the tunnel by installing a barrier, but using it on an expressway is extremely dangerous and could lead to secondary disasters.

In view of the above points, this invention provides a safe device for preventing vehicles from entering road tunnels, etc., which physically and visually indicates an abnormal condition to the driver and forcibly stops the vehicle. .

An embodiment of this invention will be described below with reference to FIGS. 1 and 2.

In the figure, 1 is a tunnel, 2 is a spray nozzle that is installed on the side wall near the tunnel entrance and forms a water curtain that blocks the entrance, and 3 is a pump connected to the spray nozzle 2.
Reference numeral 4 denotes a light source that projects red light onto the water curtain from inside the tunnel, which is installed on the ceiling or road surface and blinks at a frequency of about 10 Hz as required.

Further, 5 is a fire detector installed on the inner wall of the tunnel, and 6 is a traffic jam detector for detecting traffic congestion in the tunnel.
is activated and the light source 4 is turned on or blinks.

Next, the operation of the above device will be explained. During normal times, neither the fire detector 5 nor the traffic jam detector 6 operates, so water is not discharged from the spray nozzle 2 and the vehicle passes through the tunnel smoothly.

However, for example, if an accident occurs in a tunnel, resulting in traffic congestion or a fire, the traffic jam detector 6 or fire detector 5 is activated, and a broadcasting device (not shown) is activated to notify the driver of the danger.

At the same time, the pump 3 is started and a spray of water is discharged from the nozzle 2, forming a water curtain that blocks the mine entrance, and a red light from the light source 4 flashes on this water curtain at a cycle of 1 to 1 OH2. The water curtain emits a red color and shakes as if a fire has broken out inside the tunnel.

Therefore, the driver of a car attempting to enter the tunnel will approach this water curtain facing the water curtain, so he can be sure to recognize any abnormal conditions inside the tunnel, and the tunnel entrance will be blocked by the water curtain. Because of this, I have no choice but to stop my car.

Also, in the unlikely event that confirmation is delayed, the vehicle will be able to safely stop under the water curtain.

Furthermore, in the above embodiment, if the diameter of the water particles discharged from the spray nozzle 2 is set to 0.5 WIR or less, the red light projected from the light source 4 will be effectively scattered and the water curtain will shine strongly in red.

Further, in the above embodiment, the brightness of the light source 4 is changed periodically, but on the contrary, the water discharge from the spray nozzle 2 may be periodically intermittent to cause the flame to waver.

Since this invention is configured and operates as described above, it is possible to obtain a device for preventing vehicles from entering safe road tunnels, etc., which physically and visually indicates abnormal conditions to the driver and forcibly stops the vehicle. effective.

[Brief explanation of drawings]

FIG. 1 is a front view of an embodiment of the device installed in a tunnel, and FIG. 2 is a sectional view of FIG. 1. 1...Tunnel, 2...Spray head,
4...Light source, 5...Fire detector, 6.
...Congestion detector.

Claims (1)

[Claims for Utility Model Registration] 1. A spray nozzle that is installed on the side wall of a tunnel entrance to form a water curtain that blocks the tunnel entrance, and a light source that projects red light onto the water curtain. A device that prevents vehicles from entering road tunnels, etc. 2. A device for prohibiting vehicles from entering a road tunnel, etc., according to claim 1, in which the brightness of the light source is changed at a frequency of 1 to 10 Hz. 3. A device for prohibiting vehicles from entering a road tunnel or the like as set forth in claim 1 of the Utility Model Registration Claim, in which water discharge from a spray nozzle is periodically intermittent. 4. A device for prohibiting vehicles from entering a road tunnel, etc., as set forth in claim 1, 2, or 3, wherein the spray nozzle and the light source are controlled by a fire detector installed in the tunnel. 5. A device for prohibiting vehicles from entering a road tunnel, etc., as set forth in claim 1, 2, or 3, wherein the spray nozzle and the light source are controlled by a traffic jam detector installed in the tunnel.