JP4266753B2 - Underpass hazard warning system - Google Patents

Description

  The present invention relates to a subway danger warning system that is installed at an entrance of a subway and notifies a danger existing in the subway and an information display board used therefor.

  Warning systems that warn of danger existing in underground passages have been used in general, and are installed at the entrance of underground passages when a passerby recognizes an abnormality when an abnormality occurs in the underground passage. The rotating lights and buzzers that are used to notify pedestrians and vehicle drivers passing through the ground that there is a danger in the underpass.

  As for the warning device used in such a warning system, for example, in Patent Document 1, when an alarm state is reached, it is placed on an alarm device that displays an alarm to notify the alarm state, and the alarm display is made different according to the level of alarm detection. An alarm device is disclosed in which a display drive circuit is provided so that the alarm status can be easily known by alarm display, and the alarm display is displayed by sound and lamp.

JP 57-189291 A

  However, as for the dangers that exist in the underpass, in addition to those that exist in the subway itself such as flooding during heavy rains, the occurrence of crimes, there is also a foreseeable danger that pedestrians and bicycles may collide at places where visibility is bad Exists. In recent years, the number of underground passages where bicycles can pass is increasing, and in the situation where there is an increasing demand for countermeasures against the latter foreseeable dangers, it is clear what risks exist in underground passages with conventional warning systems. Therefore, users of underground passages and pedestrians who have confirmed warnings cannot respond immediately.

  The present invention has been made in view of the problems as described above, and it is possible to clearly communicate the danger existing in the underground passage, and a pedestrian or the like who has confirmed the warning indication can respond immediately according to the warning indication. It is intended to provide a warning system and an information display board used therefor.

In order to solve the above problems, the present invention has the following configuration. That is, the underground passage danger warning system according to the present invention includes a danger detection means installed in the underground passage, and an information display section installed in the vicinity of the underground passage entrance, and the danger existing in the underground passage detected by the danger detection means. In the underpass danger warning system that displays text information by the information display unit according to the type of the information display unit, the information display unit includes two support legs and a cross beam provided between the support legs. It is installed by being fitted in mounting grooves formed over the entire circumference of both side surfaces and the lower surface, and in the installed state, a character display portion for displaying character information is provided forwardly inclined on the front surface of the information display portion. In addition, the outer side surfaces of the support legs and the cross beam portions and the outer side surface of the information display portion are flush with each other.

  In addition, the information display unit is attached to a roof covering the upper part of the entrance of the underpass.

Also, the support leg is characterized in that it crossbeam portions are formed together by bending the integral of the pipe, the information display unit is attached to said supporting Ashi及beauty front Kiyokohari unit.

  According to the underground passage danger warning system according to the first aspect of the present invention, the specific content corresponding to the danger in the underground passage is displayed on the information display section as character information, so that the underground passage visually recognizing the information display board is displayed. If the pedestrians around the entrance can clearly grasp the danger existing in the underpass, and if it is shown that the underpass is submerged, detours, and if it is indicated that a crime has occurred in the underpass It is possible to respond promptly and reliably according to various dangers in the underground passage, such as alerting the police that if the bicycle is shown to be traveling in the underground passage, attention will be given to its approach.

  Further, according to the invention of claim 2, the information display part can be installed by using the shed of the underpass entrance without particularly providing a support column or the like, and can be easily installed at a height that is easy to visually recognize. It is preferable.

Further, according to the information display board according to the present invention, the information display part is attached via the support legs, and the information display part can be easily attached by providing the support means with the attachment means. By attaching to the side surfaces other than the back surface, it is preferable that display of character information is not hindered by the support legs, the appearance of the support legs and the information display unit has a sense of unity, and the appearance can be improved.

Moreover, according to the information display board concerning this invention, a support leg is inserted in the attachment groove | channel of an information display part, and the outer surface of a support leg and an information display part is made substantially flush. It is possible to increase the strength of attaching the information display unit to the outer surface, to eliminate the protrusion of the outer surface of the support leg from the outer surface of the information display unit, and to improve the appearance.

Further, according to the invention of claim 3 , the support leg and the cross beam portion can be formed of an integral pipe material, so that the number of members can be reduced and the labor of formation can be reduced, and information can be displayed from above or below using the cross beam portion. It is preferable that the information display unit can be supported more reliably.

BEST MODE FOR CARRYING OUT THE INVENTION The best embodiment according to the present invention will be specifically described below with reference to the drawings.
FIG. 1 is a flowchart showing a series of operations of the underpass danger warning system according to the present invention. The danger detection means 1 is a button for detecting water in the underground passage, detecting a water level sensor 1A for detecting the presence or absence of flooding, a bicycle detection sensor 1B for detecting a traveling bicycle, and a pedestrian passing through the underground passage when a crime is witnessed. A crime notification button 1C for inputting is provided in the underpass. When a danger is detected by the danger detection unit 1, the character selection unit 3 selects a character to be displayed on the information display unit 2 in accordance with a plurality of types of signals transmitted from the danger detection unit 1. For example, when the underground passage is submerged and the water level detection sensor 1A detects a rise in the water level in the underground passage, character information corresponding to the submergence is selected and selected in the character selection unit 3 in which a plurality of types of character information are stored in advance. In accordance with the character information, the information display unit 2 displays character information such as “submergence in the underpass” in the vicinity of the entrance of the underpass. If a pedestrian or the like who wants to go through the underpass visually recognizes the text information, he / she enters the underpass and confirms the event, unlike when a rotating light is lit or a buzzer sounds near the entrance. Soon, it is possible to immediately and reliably determine that flooding is occurring in the underpass, and to quickly take measures such as detouring.

  In addition, when the bicycle detection sensor 1B detects a bicycle that has traveled in the underpass, the information display unit 2 displays text information such as “attention to the front while the bicycle is approaching”. The risk of collision can be detected in advance, and avoidance can be performed quickly. In addition, when it is predicted whether a crime will occur in the underground passage, when the user of the underground passage inputs the crime notification button 1C installed in the underground passage, the information display section 2 displays a text such as “report emergency number 110”. Information is displayed, and pedestrians in the vicinity of the underpass understand the situation without having to enter the subway to check the situation, and promptly report to the police to minimize the damage of the crime. Can be prevented in advance.

  The danger detection means 1 may be installed in the underpass and can transmit a signal indicating that the danger has been detected to the character selection unit 3. As the water level detection sensor 1A, a moisture meter may be installed at a certain height in the underpass, or a radar that can detect moisture may be used. In addition, the bicycle detection sensor 1B can suitably use a radar or the like that can detect a metal part of a bicycle if the vehicle is unlikely to travel, unlike a roadway. The crime notification button 1 </ b> C may be a general-purpose emergency button, or may be a voice monitor that reacts at a certain volume or more in place of the button.

  The information display unit 2 is not particularly limited as long as it displays character information, and a plurality of pieces of character information described in advance are prepared and displayed according to an instruction from the character selection unit 3. May be used, variable subtitles, and those with internal illumination, etc. However, if the LED is arranged in a dot matrix and the character information is displayed by the light emission, various character information Can be displayed instantaneously and flexibly, and the danger existing in the underground passage is often increased at night, which is preferable because the visibility of character information at that night can be improved. In addition to displaying characters, a rotating light, a flashing light, a sound generator, or the like may be provided in parallel.

  The character selection unit 3 is a unit for selecting character information to be displayed on the information display unit 2 in response to a signal from the danger detection means 1. For example, each information display unit displays a plurality of pieces of character information. 2 may be displayed in a directly connected manner. For variable subtitles, the signal and the feed position of the variable device for subtitles may be stored in advance in association with each other. The switch of the lighting device may be interlocked. Further, for example, if LEDs are arranged in a dot matrix, a storage circuit for a plurality of types of lighting patterns is incorporated, and the lighting patterns are read in accordance with signals from the danger detection means 1 to display character information. There may be. Moreover, it may be integrated in the danger detection means 1 and the information display part 2, and you may install separately.

  FIG. 2 is an explanatory view showing an example attached to a roof installed above the underpass entrance of the information display unit 2. An information display in which a shelter-like shed 20 is provided above the entrance 30 of the underpass, and an information display section 2 in which LEDs are arranged in a dot matrix form is provided on the upper surface of the cross beam 201 around the shed 20. Since the board 10 is attached via the support legs 4, the information display unit 2 can be easily seen from pedestrians entering the underground passage, surrounding pedestrians, and vehicles. A rotating lamp K is arranged on both sides of the information display board 10, and a speaker S is arranged on the upper part, so that the attractiveness to character display is enhanced by light and sound from them.

  FIG. 3 is an explanatory view showing another example attached to a shed installed above the underpass of the information display unit 2. A shelter-like shed 20 is provided at the entrance 30 of the underpass, and the information display board 10 is attached via a support leg 4 downward from a cross beam member 202 that is passed slightly inward from the entrance in the shed 20. ing. There is a stairway from the entrance 30 of the underpass to the underpass, and by attaching the information display board 10 to the transverse beam member 202 slightly in the back, pedestrians entering the underpass collide even if installed downward. There is no fear, and the information display unit 2 is arranged at a position close to the line of sight of a pedestrian or a bicycle driver, so that the visibility of character information is enhanced. Furthermore, the information display board 10 is protected from rainwater or the like by the roof 20, and this can lead to the extension of the life of the device and the reduction of maintenance.

  The information display board 10 of FIGS. 2 and 3 is intended for pedestrians, bicycles and wheelchair users, unlike the information display board used for automobiles and the like, and the viewpoint is relatively close to 3 m to 35 m. However, in order to prevent the information display board 10 from colliding with a pedestrian or the like, the height to the lower end is required to be about 2.5 m. In such a situation, the characters of the information display unit 2 made flat are used. In order for the information to be visually recognized with certainty, the surface of the information display unit 2 is preferably tilted forward by 5 to 10 degrees, more preferably 7 to 8 degrees.

  FIG. 4 shows an embodiment of an information display board used in an underpass danger warning system according to the present invention. (A) is an explanatory view showing a state of formation, and (b) is an explanatory view showing a state after formation. FIG. In (b), the box-shaped information display unit 2 is provided with a character display unit 21 for displaying character information on the front surface, and mounting grooves 22 are formed over the entire circumference of both side surfaces and the lower surface. The support legs 4 having substantially the same cross-sectional shape as the attachment groove 22 are fitted into the attachment groove 22 and attached. The support leg 4 is formed by bending the integral pipe material P together with the cross beam portion 5, and the cross beam portion 5 is also fitted into the mounting groove of the information display portion 2. Using this support leg 4, the information display unit 2 is attached to a roof or the like. Since the support leg 4 and the cross beam portion 5 are integrally formed, the state where the information display portion 2 is attached by the cross beam portion 5 becomes stable.

  In (b), the mounting groove 22, the support leg 4 and the cross beam portion 5 have substantially the same cross-sectional shape, and when inserted, the outer surface of the support leg 4 and the cross beam portion 5 and the outer surface of the information display portion 2 Are substantially flush with each other, and the support legs 4 and the cross beam portions 5 are not conspicuous, and the appearance can be improved. Moreover, even if the information display unit 2 has a large front-rear width for accommodating an LED board, a control device, and the like, the support legs 4 are arranged on the side surfaces other than the front and back surfaces, so that there is a sense of unity. The appearance can be made and the width of the front and rear of the information display unit 2 can be made inconspicuous. Further, the angle θ between the character display unit 21 and the perpendicular C from the road surface at the time of installation is set to about 7 degrees, so that the visibility of the character information is enhanced.

It is a flowchart which shows one Embodiment of the underground passage danger warning system concerning this invention. It is explanatory drawing which shows an example of the attachment state of the information display part to the shed provided above the underpass entrance. It is explanatory drawing which shows the other example of the attachment state of the information display part to the shed provided above the underpass entrance. It is explanatory drawing which shows one Embodiment of the information display board concerning this invention.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Danger detection means 2 Information display part 21 Character display part 22 Mounting groove 3 Character selection part 4 Support leg 5 Cross beam part 10 Information display board 20 Storehouse 30 Underpass entrance

Claims (3)

It comprises a danger detection means installed in the underpass and an information display part installed in the vicinity of the entrance of the underpass, and character information is provided by the information display part according to the type of danger existing in the underpass detected by the danger detection means. In the underground passage danger warning system, the information display unit is formed with two support legs and a cross beam provided between the support legs over the entire circumference of both side surfaces and the lower surface of the information display unit. In the installed state, a character display portion for displaying character information is inclined forward, and the support legs and the lateral surfaces of the cross beam portions are installed on the front surface of the information display portion. An underpass danger warning system characterized in that the outer surface of the information display unit is flush with the outside surface.   2. The underpass danger warning system according to claim 1, wherein the information display unit is attached to a roof provided above the entrance of the underpass.   The underpass danger warning according to claim 1 or 2, wherein the support leg is formed by bending an integral pipe material to form a cross beam part, and the information display part is attached to the support leg and the cross beam part. system.

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