CN115404801A - Safety air barrier vehicle blocking system and method in tunnel - Google Patents
Safety air barrier vehicle blocking system and method in tunnel Download PDFInfo
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- CN115404801A CN115404801A CN202211059624.1A CN202211059624A CN115404801A CN 115404801 A CN115404801 A CN 115404801A CN 202211059624 A CN202211059624 A CN 202211059624A CN 115404801 A CN115404801 A CN 115404801A
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- 238000000034 method Methods 0.000 title claims description 30
- 230000000903 blocking effect Effects 0.000 title claims description 7
- 238000012544 monitoring process Methods 0.000 claims abstract description 26
- 235000014676 Phragmites communis Nutrition 0.000 claims description 19
- 238000004891 communication Methods 0.000 claims description 6
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- 230000008569 process Effects 0.000 description 6
- 230000009471 action Effects 0.000 description 5
- 230000006870 function Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 206010039203 Road traffic accident Diseases 0.000 description 3
- 229920001084 poly(chloroprene) Polymers 0.000 description 3
- 230000000007 visual effect Effects 0.000 description 3
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
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- 239000002184 metal Substances 0.000 description 1
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- 238000005096 rolling process Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
- E01F13/00—Arrangements for obstructing or restricting traffic, e.g. gates, barricades ; Preventing passage of vehicles of selected category or dimensions
- E01F13/04—Arrangements for obstructing or restricting traffic, e.g. gates, barricades ; Preventing passage of vehicles of selected category or dimensions movable to allow or prevent passage
- E01F13/044—Arrangements for obstructing or restricting traffic, e.g. gates, barricades ; Preventing passage of vehicles of selected category or dimensions movable to allow or prevent passage the barrier being formed by obstructing members situated on, flush with, or below the traffic surface, e.g. with inflatable members on the surface
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
- E01F9/00—Arrangement of road signs or traffic signals; Arrangements for enforcing caution
- E01F9/60—Upright bodies, e.g. marker posts or bollards; Supports for road signs
- E01F9/604—Upright bodies, e.g. marker posts or bollards; Supports for road signs specially adapted for particular signalling purposes, e.g. for indicating curves, road works or pedestrian crossings
- E01F9/619—Upright bodies, e.g. marker posts or bollards; Supports for road signs specially adapted for particular signalling purposes, e.g. for indicating curves, road works or pedestrian crossings with reflectors; with means for keeping reflectors clean
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
- E01F9/00—Arrangement of road signs or traffic signals; Arrangements for enforcing caution
- E01F9/60—Upright bodies, e.g. marker posts or bollards; Supports for road signs
- E01F9/658—Upright bodies, e.g. marker posts or bollards; Supports for road signs characterised by means for fixing
- E01F9/669—Upright bodies, e.g. marker posts or bollards; Supports for road signs characterised by means for fixing for fastening to safety barriers or the like
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F17/00—Methods or devices for use in mines or tunnels, not covered elsewhere
- E21F17/18—Special adaptations of signalling or alarm devices
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- Mining & Mineral Resources (AREA)
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Abstract
The invention provides a vehicle stopping system for an inflatable railing in a tunnel, which comprises the inflatable railing, a vehicle stopping device and a vehicle stopping device, wherein the inflatable railing is arranged on the top surface of the tunnel and moves downwards in a telescopic manner; the control module receives the early warning signal sent by the tunnel monitoring system and then controls the inflation gas fence to inflate to extend to the lower part of the top surface of the tunnel; the tunnel monitoring system receives traffic fault information, generates an early warning signal according to the traffic fault information, and sends the early warning signal to the control module. When the emergency state of traffic occurs, the inflatable air fence is controlled to pop up emergently, so that early warning in the tunnel is realized, and the safety of vehicles entering and exiting rescue vehicles and vehicles planned to drive away from dangerous areas are not influenced.
Description
Technical Field
The invention belongs to the technical field of traffic early warning, and particularly relates to a system and a method for blocking a vehicle by a safety air fence in a tunnel.
Background
The tunnel entrance forbidding early warning system is commonly used in an active management and control subsystem of a tunnel monitoring system, along with the rapid development of intelligent highway construction, the tunnel entrance active management and control technical means are increasingly abundant, mainly used when flood, fire or other major accidents occur in a tunnel and the tunnel entrance needs to be closed, and a series of notifications and warning information are issued to decelerate a vehicle and stop the vehicle before the tunnel entrance, so that the accidents are prevented from being further expanded.
Recently, tunnel entrance active management and control technologies at home and abroad are developed quickly, common means mainly comprise horn speakers, door frame type variable information boards, lane indicators, fixed cameras, roadside multifunctional LED information boards, traffic signal lamps and flashing lamps in tunnel entrance management and control intervals, and a plurality of tunnel entrances with large potential risks are provided with turning railings so as to block vehicles to be driven into the tunnels forcibly under necessary emergency conditions. However, the common entrance active control means cannot achieve the effect of forced blocking and early warning at the tunnel entrance, the use of the turning railings is easy to damage the vehicles, and meanwhile, the safety of the vehicles which are planned to back and drive away from the dangerous area can be threatened.
The tunnel early warning needs to be carried out in a more direct and visual mode on vehicles planned to drive into the tunnel, cannot substantially block rescue vehicles, and cannot threaten the safety of the vehicles planned to drive out of a dangerous driving area. Therefore, the invention provides a system and a method for stopping a vehicle by using a safety air fence in a tunnel.
Disclosure of Invention
Therefore, the invention provides a safety air barrier vehicle stopping system and method in a tunnel, which have the direct and visual early warning function on the premise of not influencing the driving of a rescue vehicle into a warning area.
The above object of the present invention is achieved by the following technical solutions:
an inflatable air fence car stopping system in a tunnel comprises an inflatable air fence which is arranged on the top surface of the tunnel and moves in a downward telescopic mode;
the inflatable air fence is connected to the control module, and the control module controls the inflatable air fence to inflate and extend towards the lower part of the top surface of the tunnel after receiving the early warning signal sent by the tunnel monitoring system;
the tunnel monitoring system receives traffic fault information, generates an early warning signal according to the traffic fault information, and sends the early warning signal to the control module.
Further, the gas filled gas barrier comprises a compressed gas container and a soft gas barrier body, wherein compressed gas or liquid with the pressure higher than the standard atmospheric pressure is stored in the compressed gas container.
Furthermore, a spiral reed is arranged in the gas barrier entity, one end of the spiral reed is connected with the top end of the gas barrier entity, and the other end of the spiral reed is connected with the bottom end of the gas barrier entity.
Furthermore, an electromagnetic valve is arranged between the compressed gas container and the gas barrier entity, the electromagnetic valve is provided with a first gas port, a second gas port and a third gas port, the first gas port is communicated with the compressed gas container, the second gas port is communicated with the gas barrier entity, and the third gas port is communicated with the atmosphere; the solenoid valve is electrically connected with the control module.
Furthermore, the surface of the gas barrier entity is provided with an early warning pattern and/or a reflective material.
Furthermore, the material of the gas barrier body is chloroprene rubber.
Further, the inflatable air fence is installed on the top surface of the tunnel through a hanging bracket, the hanging bracket is arranged along the circumferential direction and/or the longitudinal extension of the tunnel, and the inflatable air fence is arranged at intervals along the hanging bracket.
Furthermore, the control module is arranged at the position, close to the tunnel, of the hanging frame and is connected to each inflatable air fence through an air fence control line.
Further, the control module is a PLC device.
The invention also provides a method for stopping the vehicle by the safety air fence in the tunnel, which is applied to a tunnel monitoring system and comprises the following steps:
receiving traffic fault information;
generating an early warning signal, and sending the early warning signal to a control module of a tunnel portal safety gas barrier car stopping system, wherein the control module is used for controlling a compressed gas container to inflate a gas barrier entity;
receiving traffic fault removal information;
and generating a release signal, and sending the release signal to a control module of the tunnel portal safety air fence car stopping system.
The invention also provides a method for stopping the vehicle by the safety air fence in the tunnel, which is applied to the control module and comprises the following steps:
receiving an early warning signal;
controlling a compressed gas storage device to inflate the gas column entity according to the early warning signal, and descending the gas column unit to a specified position;
receiving a release signal;
and restoring the gas column unit to the state before inflation according to the contact signal.
Compared with the prior art, the technical scheme of the invention has the following advantages:
the tunnel early warning needs a more direct and intuitive mode to early warn vehicles planned to drive into the tunnel, cannot substantially block rescue vehicles, and cannot threaten the safety of the vehicles planned to drive away from a dangerous driving area. According to the control requirement in the tunnel, the control network of the existing monitoring system in the tunnel is utilized, when the tunnel monitoring system detects a traffic accident, an early warning is given out, the compressed gas container is controlled by the control module to pump gas into the gas fence entity, so that the gas fence is quickly lowered to the appointed position to realize the vehicle blocking function, the soft gas fence entity is adopted, the entry and exit of rescue vehicles are not influenced, and the safety of the vehicles which are planned to drive away from a dangerous area is not influenced.
Drawings
FIG. 1 is a schematic diagram of an initial state of a system according to an embodiment of the present invention;
FIG. 2 is a schematic diagram illustrating an emergency inflation state of the system provided by an embodiment of the present invention;
FIG. 3 is a schematic structural diagram of a gas barrier entity provided by an embodiment of the present invention;
FIG. 4 is a schematic diagram of a module connection of a car stopping system provided by an embodiment of the invention;
FIG. 5 is a communication schematic of the control method of the present invention;
FIG. 6 is a schematic flow chart of a car stopping method according to a second embodiment of the invention;
fig. 7 is a schematic flow chart of a car stopping method according to a third embodiment of the invention;
wherein, 1, a control module; 2. a gas barrier control line; 3. a gas barrier entity; 4. a hanger; 5. a tunnel top surface; .
Detailed Description
So that the manner in which the features and elements of the disclosed embodiments can be understood in detail, a more particular description of the disclosed embodiments, briefly summarized above, may be had by reference to the embodiments, some of which are illustrated in the appended drawings. In the following description of the technology, for purposes of explanation, numerous details are set forth in order to provide a thorough understanding of the disclosed embodiments. However, one or more embodiments may be practiced without these details. In other instances, well-known structures and devices may be shown in simplified form in order to simplify the drawing.
The following description and the drawings sufficiently illustrate specific embodiments of the invention to enable those skilled in the art to practice them. Other embodiments may incorporate structural, logical, electrical, process, and other changes. The examples merely typify possible variations. Individual components and functions are optional unless explicitly required, and the sequence of operations may vary. Portions and features of some embodiments may be included in or substituted for those of others. The scope of embodiments of the invention encompasses the full ambit of the claims, as well as all available equivalents of the claims. Embodiments may be referred to herein, individually or collectively, by the term "invention" merely for convenience and without intending to voluntarily limit the scope of this application to any single invention or inventive concept if more than one is in fact disclosed. Herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, or apparatus. The use of the phrase "including a" does not exclude the presence of other, identical elements in a process, method or device that includes the recited elements, unless expressly stated otherwise. The embodiments are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. As for the method, the product and the like disclosed in the embodiment, the description is simple because the method corresponds to the method part disclosed in the embodiment, and the relevant parts can be referred to the method part for description.
In addition, the terms "disposed," "connected," and "secured" are to be construed broadly. For example, "connected" may be a fixed connection, a detachable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. Specific meanings of the above terms in the embodiments of the present disclosure can be understood by those of ordinary skill in the art according to specific situations.
Example one
The tunnel emergency early warning safety air fence and the control method thereof in the embodiment are shown in fig. 1 to 5, and comprise an inflation air fence, a control module and a tunnel monitoring system which are in communication connection.
Aerify the gas fence and pass through the gallows setting under the tunnel top surface in the tunnel to realize from the telescopic movement of tunnel top surface to tunnel ground, the gallows sets up along the radial in tunnel, and each aerifys the gas fence and also along the length direction interval distribution of gallows.
In the attached fig. 1 and 2 of this embodiment, only two sets of the inflatable air fences are shown, but the arrangement positions and the arrangement number of the inflatable air fences can be flexibly set according to the needs.
Specifically, in this embodiment, the inflation gas column includes a compressed gas container and a gas column entity, and the expansion process of the inflation gas column is implemented together by the compressed gas container and the gas column entity which form the inflation gas column. The compressed gas container is positioned at the top of the gas column body, the end part of the compressed gas container is provided with an electromagnetic valve which is electrically connected with the control module and changes the state of the valve body after receiving an electric signal from the control module, the compressed gas container is made of seamless sealed integrated metal, the pressure of the stored compressed gas is higher than the standard atmospheric pressure, when the electromagnetic valve is in an open state after receiving the electric signal, the compressed gas in the compressed gas container is rapidly pumped back into the inflatable gas column due to the pressure change, so that after the inflatable gas column is rapidly inflated and forms a preset shape, the tail end of the gas column moves to a specified position below the top surface of the tunnel, and the specified position is obviously lower than the height of the roof of the vehicle so as to form a barrier for visual and actual driving.
As shown in fig. 3, the gas barrier body is in the form of a predetermined, rapidly expandable strip and is in the form of a spiral in an initial state, and may be made of rubber or the like in order to satisfy the strength and elasticity requirements. As a preferred embodiment, the air fence entity is made of chloroprene rubber, and the chloroprene rubber has good waterproof performance and strong sealing performance, can bear certain impact of a vehicle without being damaged, and has small damage to the vehicle. The gas column body is internally provided with a spiral reed, one end of the spiral reed is connected with the top end of the gas column body, the other end of the spiral reed is connected with the bottom end of the gas column body, when the gas column body is in an initial state (a storage state), the spiral reed and the gas column body are wound together to form a spiral shape, and after the gas column body is inflated, the gas column body and the spiral reed are stretched together to form a straight line shape.
The control module is arranged at the position, close to the tunnel, of the hanging bracket, is convenient to install and is connected to each inflatable air fence through an air fence control line. The control module sends an electric signal to the electromagnetic valve through the air column control line so as to control the state of the electromagnetic valve.
The electromagnetic valve is provided with a first gas port, a second gas port and a third gas port, wherein the first gas port is communicated with the compressed gas container, the second gas port is communicated with the gas barrier entity, and the third gas port is communicated with the atmosphere; the electromagnetic valve controlled by the control module has two states of conduction from the first air port to the second air port and conduction from the second air port to the third air port, when the first air port of the electromagnetic valve is conducted to the second air port, gas in the compression container is pumped into the gas column entity, because the pressure of the gas in the compression gas container is greater than one atmospheric pressure, the pressure in the gas column entity is balanced to be greater than one atmospheric pressure, the gas column entity and the spiral reed are stretched, when exhaust is needed, the second air port of the electromagnetic valve is conducted to the third air port, because the pressure of the gas in the gas column entity is greater than one standard atmospheric pressure, the gas in the gas column entity is exhausted to the atmosphere, at the moment, under the action of the spiral reed, the gas column entity is enabled to be in an initial state, and simultaneously, because the spiral reed can extrude the gas column entity when the spiral reed is recovered, the gas in the gas column entity can be extruded as much as possible to enable the gas column entity to be recovered to be in the initial state.
The gas fence can be provided with warning languages and reflective coatings selectively according to actual requirements. Or, hang striking warning strip at the flexible expanded end of gas fence entity, when hanging warning strip, when being located initial condition, warning strip and gas fence entity are in the state of accomodating in the lump, adopt the mode of rolling to accomodate warning strip to accomodating the state in this embodiment.
The control module is in communication connection with a tunnel monitoring system, and the tunnel monitoring system can be used for monitoring the traffic condition in a tunnel in real time through a monitor by a worker and sending traffic fault information to the tunnel monitoring system when a traffic problem occurs; or the tunnel monitoring system monitors the traffic accident in the tunnel through automatic identification to generate traffic fault information.
The control module can be a PLC control device, the stability and the computing power of the PLC control device are high, and different writing programs can be written into the PLC control device, so that the control program can be updated conveniently. The PLC control device may include a power supply, a central processing unit, a memory, an input-output interface circuit, a function module, a communication module, and the like.
According to the control requirement in the tunnel, the control network of the existing monitoring system in the tunnel is utilized, when the tunnel monitoring system detects a traffic accident, an early warning is given out, the compressed gas container is controlled by the control module to pump gas into the gas fence entity, so that the gas fence is quickly lowered to the specified position to realize the vehicle blocking function, the soft gas fence entity is adopted, the entry and exit of rescue vehicles are not influenced, and the safety of the vehicles which are planned to drive away from a dangerous area is not influenced.
Example two
As shown in fig. 5 and 6, the method for stopping a vehicle with an inflatable barrier in a tunnel according to the first embodiment is applied to a tunnel monitoring system of a vehicle stopping system with an inflatable barrier in a tunnel according to the first embodiment, and includes the following steps:
receiving traffic fault information;
generating an early warning signal, and sending the early warning signal to a control module of a safety gas barrier vehicle stopping system in the tunnel, wherein the control module is used for controlling a compressed gas container to inflate a gas barrier entity;
receiving traffic fault release information;
and generating a release signal, and sending the release signal to a control module of the safety air fence vehicle stopping system in the tunnel.
The method for stopping the vehicle by the inflatable air fence in the tunnel is applied to a tunnel monitoring system, the tunnel monitoring system sends an early warning signal to a control module of the inflatable air fence in the tunnel according to received building-up fault information, the control module controls a compressed gas container according to the early warning signal of the tunnel monitoring system, the compressed gas container pumps gas into the inflatable air fence to enable an air fence entity to descend to a specified position in the tunnel after being inflated, non-emergency vehicles trying to enter the tunnel are stopped, and then after the emergency situation in the tunnel is relieved, the control module winds the inflatable air fence according to a relieving signal of the tunnel monitoring system to enable the inflatable air fence to be restored to a state before being inflated, so that next early warning and vehicle stopping are executed.
Example three.
As shown in fig. 5 and 7, the method for stopping a vehicle by using an inflatable barrier in a tunnel according to the first embodiment includes the following steps:
receiving an early warning signal;
controlling a compressed gas storage device to inflate the gas column entity according to the early warning signal, and lowering the gas column entity to a specified position;
receiving a release signal;
and restoring the gas barrier entity to the state before inflation according to the release signal.
The method for stopping the vehicle by the inflatable air fence in the tunnel is applied to a control module of a system for controlling the vehicle by the inflatable air fence in the tunnel, the control module controls a compressed gas container according to an early warning signal of a tunnel monitoring system, the compressed gas container pumps gas into the inflatable air fence to enable an air fence entity to descend to a specified position in the tunnel after being inflated, non-emergency vehicles trying to enter the tunnel are stopped, and then after an emergency situation in the tunnel is relieved, the control module winds the inflatable air fence according to a relieving signal of the tunnel monitoring system to enable the inflatable air fence to be restored to a state before being inflated, so that the next early warning and vehicle stopping are executed.
Specifically, the control process executed by the control module is that the electromagnetic valve controlled by the control module has two states of conduction from the first air port to the second air port and conduction from the second air port to the third air port.
When the air inflation is executed, the control module sends a conduction signal from the first air port to the second air port to the electromagnetic valve, the air in the compressed air container is pumped into the air column entity, the air pressure in the air column entity is balanced to be more than one atmosphere due to the fact that the air pressure in the compressed air container is more than one atmosphere, and the air column entity and the spiral reed are stretched to be in a linear shape and reduced to an appointed position;
when exhaust winding is executed, the control module sends a conducting signal of the second air port and the third air port to the electromagnetic valve, because the gas pressure in the gas column entity is higher than a standard atmospheric pressure at the moment, the gas in the gas column entity is exhausted to the atmosphere, at the moment, the gas column entity is wound to the initial state under the action of the spiral reed, and meanwhile, because the spiral reed can extrude the gas column entity when the spiral type reed recovers, the gas in the gas column entity can be extruded as much as possible to enable the gas column entity to recover to the initial state.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are within the scope of the invention.
Claims (10)
1. An inflatable air fence car stopping system in a tunnel is characterized by comprising an inflatable air fence which is arranged on the top surface of the tunnel and moves in a downward telescopic mode;
the inflatable air fence is in communication connection with the control module, and the control module receives the early warning signal sent by the tunnel monitoring system and then controls the inflatable air fence to inflate and extend towards the lower part of the top surface of the tunnel;
the tunnel monitoring system receives traffic fault information, generates an early warning signal according to the traffic fault information, and sends the early warning signal to the control module.
2. The safety gas fence emergency warning system in tunnel of claim 1, wherein the gas fence comprises a compressed gas container in which compressed gas or liquid at a pressure higher than one standard atmospheric pressure is stored and a soft gas fence entity.
3. The emergency early warning system for the safety gas barrier in the tunnel according to claim 2, wherein a spiral reed is arranged in the gas barrier entity, one end of the spiral reed is connected with the top end of the gas barrier entity, and the other end of the spiral reed is connected with the bottom end of the gas barrier entity.
4. The emergency warning system for a safety gas fence in a tunnel of claim 3, wherein a solenoid valve is arranged between the compressed gas container and the gas fence entity, the solenoid valve is provided with a first gas port, a second gas port and a third gas port, the first gas port is communicated with the compressed gas container, the second gas port is communicated with the gas fence entity, and the third gas port is communicated with the atmosphere; the solenoid valve is electrically connected with the control module.
5. The emergency warning system for the safety air fence in the tunnel as claimed in any one of claims 2 to 4, wherein the surface of the air fence entity is provided with a warning pattern and/or a reflective material.
6. The emergency early warning system for the safety air fence in the tunnel according to claim 5, wherein the inflatable air fence is mounted to the top surface of the tunnel by hangers, the hangers extend along the circumferential direction and/or the longitudinal direction of the tunnel, and the inflatable air fence is arranged at intervals along the hangers.
7. The emergency early warning system for the safety air fence in the tunnel of claim 5, wherein the control module is arranged at a position of the hanger close to the tunnel and is connected to each inflatable air fence through an air fence control line.
8. The safety air fence emergency early warning system in tunnel according to any one of claim 7, wherein the control module is a PLC device.
9. A method for stopping a vehicle by a safety air fence in a tunnel is characterized by being applied to a tunnel monitoring system and comprising the following steps:
receiving traffic fault information;
generating an early warning signal, and sending the early warning signal to a control module of a safety gas barrier vehicle stopping system in the tunnel, wherein the control module is used for controlling a compressed gas container to inflate a gas barrier entity;
receiving traffic fault release information;
and generating a release signal and sending the release signal to a control module of the safety air barrier vehicle blocking system in the tunnel.
10. A method for stopping a vehicle by a safety air fence in a tunnel is characterized by being applied to a control module and comprising the following steps:
receiving an early warning signal;
controlling a compressed gas storage device to inflate the gas column entity according to the early warning signal, and lowering the gas column entity to a specified position;
receiving a release signal;
and restoring the gas barrier entity to the state before inflation according to the release signal.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202211059624.1A CN115404801A (en) | 2022-08-31 | 2022-08-31 | Safety air barrier vehicle blocking system and method in tunnel |
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| CN202211059624.1A CN115404801A (en) | 2022-08-31 | 2022-08-31 | Safety air barrier vehicle blocking system and method in tunnel |
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| CN202211059624.1A Pending CN115404801A (en) | 2022-08-31 | 2022-08-31 | Safety air barrier vehicle blocking system and method in tunnel |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116084318A (en) * | 2022-12-26 | 2023-05-09 | 北京西迈特科技有限公司 | Suspended type safe car blocking system and method in tunnel |
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| CN102733326A (en) * | 2011-04-02 | 2012-10-17 | 淄博天九通讯工程有限责任公司 | Intelligent pneumatic modularized lane |
| KR20130138970A (en) * | 2012-06-12 | 2013-12-20 | (주)에스디시스템 | Air bag type tunnel entrance blocking apparatus |
| CN206941452U (en) * | 2017-07-18 | 2018-01-30 | 招商局重庆交通科研设计院有限公司 | Intelligence isolation warning system |
| CN211621337U (en) * | 2020-01-18 | 2020-10-02 | 重庆纽森工业设计有限公司 | Parking space occupying lock |
| CN114758512A (en) * | 2022-04-14 | 2022-07-15 | 湖南大学 | Inflatable isolation device and road and intersection guiding system |
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| CN116084318A (en) * | 2022-12-26 | 2023-05-09 | 北京西迈特科技有限公司 | Suspended type safe car blocking system and method in tunnel |
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