CN110796897A - Intelligent overpass (tunnel) height-limiting width-limiting anti-collision early warning system and early warning method - Google Patents
Intelligent overpass (tunnel) height-limiting width-limiting anti-collision early warning system and early warning method Download PDFInfo
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- CN110796897A CN110796897A CN201911001937.XA CN201911001937A CN110796897A CN 110796897 A CN110796897 A CN 110796897A CN 201911001937 A CN201911001937 A CN 201911001937A CN 110796897 A CN110796897 A CN 110796897A
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- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/16—Anti-collision systems
- G08G1/165—Anti-collision systems for passive traffic, e.g. including static obstacles, trees
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- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/01—Detecting movement of traffic to be counted or controlled
- G08G1/04—Detecting movement of traffic to be counted or controlled using optical or ultrasonic detectors
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Abstract
The invention relates to the technical field of intelligent traffic, in particular to an intelligent overpass (tunnel) height-limiting and width-limiting anti-collision early warning system and an early warning method. The invention can prompt the ultra-high and ultra-wide vehicle in various aspects by sound, light and knocking, requires the driver of the vehicle to stop in an emergency to avoid collision, and reduces the life and property loss caused by the ultra-high and ultra-wide vehicle colliding with the ultra-high and ultra-wide limiter.
Description
Technical Field
The invention relates to the technical field of intelligent traffic, in particular to an intelligent overpass (tunnel) height and width limiting anti-collision early warning system and an early warning method.
Background
As shown in fig. 1, although the conventional overpass and tunnel (tunnel) height-limiting and width-limiting anti-collision early warning device can prevent the overpass and the tunnel from being impacted by ultra-high and ultra-wide vehicles, the ultra-high and ultra-wide vehicles often impact a height-limiting and width-limiting steel bridge, so that the damage of the ultra-high and ultra-wide vehicles, the damage of the anti-collision bridge and the like is caused, personal casualty accidents are seriously caused, and the traffic jam is caused because the vehicles cannot leave by themselves or are blocked under an anti-collision beam due to the damage of the vehicles, and secondary traffic accidents are sometimes caused. Without prior notice, when an ultra-high ultra-wide vehicle impacts the ultra-high ultra-wide limiter, the vehicle or the cargo of the ultra-high part and the ultra-high ultra-wide limiter are damaged. If the seriously damaged vehicle can not leave the scene in time, the loss such as traffic jam can be caused.
Disclosure of Invention
In view of the above, the invention provides an intelligent overpass (tunnel) height and width limiting anti-collision early warning system and an early warning method, which can give sound, light and knock prompts to ultra-high and ultra-wide vehicles in various aspects, require drivers of the vehicles to brake for parking emergently to avoid collision, and are beneficial to relieving traffic jam caused by damage and incapability of moving of the ultra-high and ultra-wide vehicles.
The technical scheme adopted by the invention is as follows:
an intelligent overpass (tunnel) height-limiting width-limiting anti-collision early warning system comprises a height-limiting width-limiting anti-collision early warning system arranged in front of an overpass or a tunnel, an ultrahigh anti-collision limiting gantry is arranged between the height-limiting width-limiting anti-collision early warning system and the overpass or the tunnel, the height-limiting width-limiting anti-collision early warning system comprises a height-limiting width-limiting gantry, and an anti-collision device and a monitoring device which are arranged on the height-limiting width-limiting gantry,
the monitoring device sends the monitored data to the central control room in an NB-IOT communication mode, and the display of the central control room displays the information of the anti-collision field condition.
Preferably, the monitoring device comprises a photoelectric switch illuminator arranged at the height-limited position on the left upright post of the height-limited and width-limited portal frame, and a photoelectric switch arranged at the same height position on the right upright post of the height-limited and width-limited portal frame as the photoelectric switch illuminator, and is used for monitoring the ultrahigh information of the vehicle.
Preferably, the monitoring device further comprises a plurality of acceleration sensors arranged on the anti-collision device and used for monitoring collision information of the vehicle and sending the monitored collision information to the central control room in an NB-IOT communication mode.
Preferably, the monitoring device further comprises an audible and visual alarm, the audible and visual alarm is arranged on a right upright post of the height-limiting and width-limiting portal frame, is in wireless connection with the photoelectric switch, and executes alarm operation according to the opening and closing state of a contact of the photoelectric switch.
Preferably, the monitoring device further comprises an NB-IOT transmitting device, and the NB-IOT transmitting device is arranged on a cross beam of the height-limiting anti-collision frame.
Preferably, the anti-collision device comprises a plurality of rubber ultra-high ultra-wide knocking hammers arranged on a cross beam of the height-limiting and width-limiting portal frame, the distance between every two adjacent rubber ultra-high ultra-wide knocking hammers is the same, and each acceleration sensor is arranged in each rubber ultra-high ultra-wide knocking hammer.
Preferably, the rubber ultra-high ultra-wide knocking hammer is fixed on the cross beam through a rubber hammer sling chain, the height from the bottom of the rubber ultra-high ultra-wide knocking hammer to the ground is the allowed height of the overpass (tunnel), and the height from the top of the rubber ultra-high ultra-wide knocking hammer to the ground is the limit empty height of the overpass (tunnel).
Preferably, the acceleration sensor is a MEMS process acceleration sensor.
The invention also provides an anti-collision early warning method, which is characterized in that the intelligent overpass and tunnel height and width limiting anti-collision early warning system of any one of claims 1 to 8 is utilized, and the method comprises the following steps:
method for judging whether the height or width of the vehicle exceeds the limit height or width: judging vehicle superelevation information by taking the height between the photoelectric switch illuminator and the photoelectric switch and the road surface as a reference, and judging vehicle superelevation information by taking the number of vehicle collision rubber superelevation knocking hammers, namely the number of acceleration sensors as a reference;
when the height of the running vehicle is higher than the height of the photoelectric switch illuminator from the road surface, the high part of the vehicle can block the light emitted by the photoelectric switch generator to the photoelectric switch, so that the light cannot reach the photoelectric switch, and at the moment, the contact of the photoelectric switch is changed from a normally open state to a normally closed state; when the contact of the photoelectric switch is in a normally closed state, the audible and visual alarm executes alarm operation to remind a driver of emergency braking and parking;
setting the width Rm of the overpass or the tunnel allowing the vehicle to run as the sum of the distances between N adjacent acceleration sensors, when the height of the running vehicle is higher than the height of the photoelectric switch illuminator from the road surface, the higher part of the vehicle can impact N rubber ultrahigh knocking hammers, when a driver hears the impact sound, the driver can stop immediately, at the moment, the acceleration sensor on each rubber ultrahigh knocking hammer can monitor the impact information of the vehicle, and sends related information to a central control room in an NB-IOT communication mode, and the display of the central control room displays the status of an anti-collision site; in the process, if N is larger than N, the running vehicle is ultrahigh and ultra-wide.
In the process, the audible and visual alarm executes the alarm operation in a manner of emitting a flash signal and an alarm sound.
The invention has the beneficial effects that:
1. the photoelectric switch illuminator and the photoelectric switch are respectively arranged on the left upright post and the right upright post of the height-limiting and width-limiting portal frame, the height of the photoelectric switch illuminator and the height of the photoelectric switch from the road surface are the same, when no ultrahigh vehicle exists, the light emitted by the photoelectric switch illuminator directly reaches the photoelectric switch, and at the moment, the contact of the photoelectric switch is in a normally open state; when an ultrahigh vehicle passes through, the higher part of the vehicle can block the light emitted to the photoelectric switch by the photoelectric switch generator, so that the light cannot reach the photoelectric switch, and the contact of the photoelectric switch is changed from a normally open state to a normally closed state; when the contact of the photoelectric switch is in a normally closed state, the audible and visual alarm executes alarm operation to remind a driver to brake and stop emergently.
2. The rubber ultra-high ultra-wide knocking hammers are arranged on a cross beam of a height-limiting and width-limiting portal frame, acceleration sensors are arranged in each rubber ultra-high ultra-wide knocking hammer, when the height of a running vehicle is higher than the height of a photoelectric switch illuminator from the road surface, the higher part of the vehicle can impact n rubber ultra-high knocking hammers, the vehicle can be braked and stopped immediately after a driver hears impact sound, at the moment, the acceleration sensors in each rubber ultra-high knocking hammer can monitor impact information of the vehicle and send related information to a central control room in an NB-IOT communication mode, an anti-collision field condition is displayed through a display of the central control room, and the ultra-high condition of the running vehicle is judged through the quantity of the impact information (the quantity of the acceleration sensors) observed on the display.
3. The ultra-high and ultra-wide vehicle collision warning system carries out sound, light and knocking prompt on the ultra-high and ultra-wide vehicles in various aspects, requires a driver of the vehicle to brake and stop the vehicle in an emergency to avoid collision, reduces life and property loss caused by collision of the ultra-high and ultra-wide vehicles with the ultra-high and ultra-wide limiter, and is favorable for relieving traffic jam caused by damage and incapability of moving of the ultra-high and ultra-wide vehicles.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic structural view of a conventional overpass (tunnel) superelevation limiting device;
FIG. 2 is a schematic structural diagram of an intelligent overpass (tunnel) height-limiting width-limiting anti-collision early warning system of the present invention;
FIG. 3 is a schematic structural diagram of the height-limiting, width-limiting and anti-collision early warning device according to the present invention;
fig. 4 is a schematic diagram for backup of the operation of the photoelectric switch light emitter and the photoelectric switch.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 2 and fig. 3, the invention specifically discloses an intelligent overpass (tunnel) height-limiting and width-limiting anti-collision early warning system, which comprises a height-limiting and width-limiting anti-collision early warning system 2 arranged in front of the overpass or the tunnel, wherein an ultrahigh anti-collision limiting gantry 1 is arranged between the height-limiting and width-limiting anti-collision early warning system 2 and the overpass or the tunnel, and the height-limiting and width-limiting anti-collision early warning system 2 comprises a height-limiting and width-limiting gantry, and an anti-collision device and a monitoring device which are arranged on the height-limiting and width-limiting gantry.
The monitoring device sends the monitored data to the central control room in an NB-IOT communication mode, and the display of the central control room displays the information of the anti-collision field condition.
The monitoring device comprises a photoelectric switch illuminator 3 arranged at the height-limited position on a left upright post 8 of the height-limited and width-limited portal frame, and a photoelectric switch 4 arranged at the same height position with the photoelectric switch illuminator 3 on a right upright post 9 of the height-limited and width-limited portal frame, and is used for monitoring the ultrahigh information of the vehicle; the monitoring device also comprises a plurality of acceleration sensors arranged on the anti-collision device and used for monitoring collision information of the vehicle and sending the monitored collision information to the central control room in an NB-IOT communication mode; the monitoring device also comprises an audible and visual alarm which is arranged on a right upright post of the height-limiting and width-limiting portal frame, is in wireless connection with the photoelectric switch and executes alarm operation according to the opening and closing state of a contact of the photoelectric switch; the monitoring device further comprises an NB-IOT launching device 10, and the NB-IOT launching device 10 is arranged on the cross beam 7 of the height-limiting anti-collision frame.
The acceleration sensor and the audible and visual alarm are both conventional technologies, and the fixing mode is not changed, so that the acceleration sensor and the audible and visual alarm are not marked in the attached drawings.
The anti-collision device comprises a plurality of rubber ultra-high ultra-wide knocking hammers 5 arranged on a cross beam 7 of a height-limiting and width-limiting portal frame, the distance between every two adjacent rubber ultra-high ultra-wide knocking hammers 5 is the same, each acceleration sensor is arranged on each rubber ultra-high ultra-wide knocking hammer, each rubber ultra-high ultra-wide knocking hammer 5 is fixed on the cross beam 7 through a rubber hammer hanging chain 6, the height from the bottom of each rubber ultra-high ultra-wide knocking hammer 5 to the ground is the allowable height of a flyover (tunnel), and the height from the top of each rubber ultra-high ultra-wide knocking hammer 5 to the ground is the limiting empty height of the flyover (tunnel); the acceleration sensor is an MEMS process acceleration sensor.
The photoelectric switch illuminator 3, the photoelectric switch 4 and the rubber ultrahigh knocking hammer 5 are positioned on the same horizontal plane.
The invention also provides an anti-collision early warning method, which is characterized in that the intelligent overpass and tunnel height-limiting anti-collision early warning system of any one of claims 1 to 8 is utilized, and the method comprises the following steps:
method for judging whether the height or width of the vehicle exceeds the limit height or width: the height between the photoelectric switch illuminator 3 and the photoelectric switch 4 and the road surface is taken as a reference to judge the vehicle ultra-high information, and the number of the vehicle collision rubber ultra-high knocking hammers 5, namely the number of the acceleration sensors is taken as a reference to judge the vehicle ultra-wide information;
as shown in fig. 4, the photoelectric switch illuminator 3 is disposed at a height-limited position of a left column 8 of the height-limited and width-limited portal frame, and the photoelectric switch 4 is disposed at a position on a right column 9 of the height-limited and width-limited portal frame, which is at the same height as the photoelectric switch illuminator 3. When no ultrahigh vehicle passes through, the light emitted by the photoelectric switch illuminator 3 directly reaches the photoelectric switch 4, and at the moment, the contact of the photoelectric switch 4 is in a normally open state.
When the height of the running vehicle is higher than the height of the photoelectric switch illuminator 3 from the road surface, the high part of the vehicle can block the light emitted by the photoelectric switch illuminator 3 to the photoelectric switch 4, so that the light can not reach the photoelectric switch 4, and at the moment, the contact of the photoelectric switch 4 is changed from a normally open state to a normally closed state; the photoelectric switch 4 is in wireless connection with the audible and visual alarm to control the audible and visual alarm to be turned on and off, when the contact of the photoelectric switch 4 is in a normally open state, the audible and visual alarm does not work, and when the contact of the photoelectric switch 4 is in a normally closed state, the audible and visual alarm executes alarm operation to remind a driver of emergency braking and parking.
The method is characterized in that the width Rm of the overpass or the tunnel allowing a vehicle to run is the sum of the distances between N adjacent acceleration sensors, when the height of the running vehicle is higher than the height of a photoelectric switch illuminator from the road surface, the higher part of the vehicle can impact N rubber ultrahigh knocking hammers 5, when a driver hears impact sound, the driver can immediately brake and stop the vehicle, at the moment, the acceleration sensor on each rubber ultrahigh knocking hammer 5 can monitor the impact information of the vehicle and send the related information to a central control room in an NB-IOT communication mode, and the display of the central control room displays the status of an anti-collision site, so that related departments can timely master the anti-collision working condition of the site;
in the process, if N is larger than N, the running vehicle is ultrahigh and ultra-wide.
In the process, the audible and visual alarm executes the alarm operation in a manner of emitting a flash signal and an alarm sound.
The ultra-high and ultra-wide vehicle collision prompting device can prompt sound, light and knocking on various aspects of ultra-high and ultra-wide vehicles, requires a driver of the vehicle to stop in an emergency to avoid collision, reduces life and property loss caused by collision of the ultra-high and ultra-wide vehicles with the ultra-high and ultra-wide limiter, and is favorable for relieving traffic jam caused by damage and incapability of moving of the ultra-high and ultra-wide vehicles.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. An intelligent overpass (tunnel) height-limiting width-limiting anti-collision early warning system comprises a height-limiting width-limiting anti-collision early warning system arranged in front of an overpass or a tunnel, an ultrahigh anti-collision limiting gantry is arranged between the height-limiting width-limiting anti-collision early warning system and the overpass or the tunnel, the height-limiting width-limiting anti-collision early warning system comprises a height-limiting width-limiting gantry, and an anti-collision device and a monitoring device which are arranged on the height-limiting width-limiting gantry,
the monitoring device sends the monitored data to the central control room in an NB-IOT communication mode, and the display of the central control room displays the information of the anti-collision field condition.
2. The intelligent overpass (tunnel) height and width limiting anti-collision early warning system of claim 1, wherein the monitoring device comprises a photoelectric switch illuminator arranged at the height limiting position on the left upright post of the height and width limiting portal frame, and a photoelectric switch arranged at the same height position with the photoelectric switch illuminator on the right upright post of the height and width limiting portal frame, and used for monitoring the ultrahigh information of the vehicle.
3. The intelligent overpass (tunnel) height and width limiting anti-collision early warning system of claim 2, wherein the monitoring device further comprises a plurality of acceleration sensors arranged on the anti-collision device, and is used for monitoring collision information of the vehicle and sending the monitored collision information to the central control room in an NB-IOT communication manner.
4. The intelligent overpass (tunnel) height and width limiting anti-collision early warning system of claim 2, wherein the monitoring device further comprises an audible and visual alarm, the audible and visual alarm is arranged on the right upright post of the portal frame with height and width limiting, is wirelessly connected with the photoelectric switch, and performs alarm operation according to the opening and closing state of the contact of the photoelectric switch.
5. The intelligent overpass (tunnel) height and width limiting anti-collision early warning system of claim 2, wherein the monitoring device further comprises an NB-IOT emitting device, and the NB-IOT emitting device is arranged on a beam of the height-limiting anti-collision frame.
6. The intelligent overpass (tunnel) height and width limiting anti-collision early warning system as claimed in claim 3, wherein the anti-collision device comprises a plurality of rubber ultra-high ultra-wide knocking hammers arranged on a cross beam of the height and width limiting portal frame, the distance between every two adjacent rubber ultra-high ultra-wide knocking hammers is the same, and each acceleration sensor is installed inside each rubber ultra-high ultra-wide knocking hammer.
7. The intelligent overpass (tunnel) height and width limiting anti-collision early warning system of claim 6, wherein the rubber ultra-high ultra-wide knocking hammer is fixed on the cross beam through a rubber hammer sling chain, the height of the bottom of the rubber ultra-high ultra-wide knocking hammer from the ground is the height which the overpass (tunnel) can pass through, and the height of the bottom of the rubber ultra-high ultra-wide knocking hammer from the ground is the limit free height of the overpass (tunnel).
8. The intelligent overpass (tunnel) height and width limiting anti-collision early warning system of claim 6, wherein the acceleration sensor is a MEMS process acceleration sensor.
9. An anti-collision early warning method, which is characterized in that the intelligent overpass and tunnel height-limiting anti-collision early warning system of any one of claims 1-8 is used, and the method comprises the following steps:
method for judging whether the height or width of the vehicle exceeds the limit height or width: judging vehicle superelevation information by taking the height between the photoelectric switch illuminator and the photoelectric switch and the road surface as a reference, and judging vehicle superelevation information by taking the number of vehicle collision rubber superelevation knocking hammers, namely the number of acceleration sensors as a reference;
when the height of the running vehicle is higher than the height of the photoelectric switch illuminator from the road surface, the high part of the vehicle can block the light emitted by the photoelectric switch generator to the photoelectric switch, so that the light cannot reach the photoelectric switch, and at the moment, the contact of the photoelectric switch is changed from a normally open state to a normally closed state; when the contact of the photoelectric switch is in a normally closed state, the audible and visual alarm executes alarm operation to remind a driver of emergency braking and parking;
setting the width Rm of the overpass or the tunnel allowing the vehicle to run as the sum of the distances between N adjacent acceleration sensors, when the height of the running vehicle is higher than the height of the photoelectric switch illuminator from the road surface, the higher part of the vehicle can impact N rubber ultrahigh knocking hammers, when a driver hears impact sound, the driver can stop immediately, at the moment, the acceleration sensor on each rubber ultrahigh knocking hammer can monitor the impact information of the vehicle, and sends the correlation to a central control room in an NB-IOT communication mode, and the display of the central control room displays the status of an anti-collision site; in the process, if N is larger than N, the running vehicle is ultrahigh and ultra-wide.
10. The intelligent overpass (tunnel) height and width limiting anti-collision early warning system of claim 9, wherein in the process, the audible and visual alarm performs the alarm operation by emitting a flashing signal, an alarm sound and a warning of knocking the roof.
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Application publication date: 20200214 |
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| RJ01 | Rejection of invention patent application after publication |