CN111127901A - Expressway emergency lane snapshot linkage control system - Google Patents
Expressway emergency lane snapshot linkage control system Download PDFInfo
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- CN111127901A CN111127901A CN202010128682.XA CN202010128682A CN111127901A CN 111127901 A CN111127901 A CN 111127901A CN 202010128682 A CN202010128682 A CN 202010128682A CN 111127901 A CN111127901 A CN 111127901A
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- snapshot
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- emergency lane
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- interrupt signal
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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
- G08G1/017—Detecting movement of traffic to be counted or controlled identifying vehicles
- G08G1/0175—Detecting movement of traffic to be counted or controlled identifying vehicles by photographing vehicles, e.g. when violating traffic rules
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/60—Control of cameras or camera modules
- H04N23/66—Remote control of cameras or camera parts, e.g. by remote control devices
- H04N23/661—Transmitting camera control signals through networks, e.g. control via the Internet
Abstract
The invention provides a snapshot linkage control system for an emergency lane of a highway, which comprises: the system comprises a central control platform, an emergency lane switcher, a front-end control unit, a snapshot system and an illegal picture downloading system; the front end control unit is connected with the emergency lane switcher through a network, the emergency lane switcher is connected with the central control platform through a network, the central control platform is connected with the illegal picture downloading system through a network, the emergency lane switcher is used for controlling the snapshot system to work or close, and the snapshot system is connected with the illegal picture downloading system through a network. The invention solves the problems that when the emergency lane of the expressway is temporarily opened, the emergency lane snapshot system is closed in a linkage manner, the lane traffic and lane snapshot functions are coordinated, and the contradiction caused by the temporary traffic function of the emergency lane of the expressway is solved.
Description
Technical Field
The invention relates to the field of intelligent traffic control, in particular to a snapshot linkage control system for an emergency lane of a highway.
Background
With the rapid increase of the flow rate of the highway in holidays, part of the highway starts to pass through emergency lanes temporarily, but the snapshot devices deployed on the emergency lanes cannot be closed in a linkage manner, and vehicles running on the emergency lanes can still be snapshot by a snapshot system, so that complaints of the masses are caused. Can link when taking a candid photograph the system and explode the flashing light warning, the driver sees the snapshot system and takes a candid photograph the vehicle picture, dares not to get into emergent lane and goes, loses the effect of passing temporarily. At present, emergency lane snapshot equipment can only be removed, a driver can pass through the equipment at ease, but the emergency lane cannot be monitored in the peak leveling period after the equipment is removed, and traffic accidents are easily caused. The method is a contradiction point brought by the fact that the temporary passing function of the emergency lane is started on the existing expressway.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provide a highway emergency lane snapshot linkage control system. The emergency lane switch may also directly receive the interrupt signal in response to direct coordinated control of the front-end correlation control unit. The technical scheme adopted by the invention is as follows:
a highway emergency lane snapshot linkage control system, comprising: the system comprises a central control platform, an emergency lane switcher, a front-end control unit, a snapshot system and an illegal picture downloading system;
the front end control unit is connected with the emergency lane switcher through a network, the emergency lane switcher is connected with the central control platform through a network, the central control platform is connected with the illegal picture downloading system through a network, the emergency lane switcher is used for controlling the snapshot system to work or close, and the snapshot system is connected with the illegal picture downloading system through a network.
In particular, the amount of the solvent to be used,
the central control platform is used for editing a control plan according to the time and the road sections for opening and closing the emergency lane; sending a real-time control instruction, a control plan instruction or an interrupt signal instruction to the emergency lane switcher;
the front end control unit is used for generating an interrupt signal according to control requirements and sending the interrupt signal to the emergency lane switcher;
the emergency lane switcher is used for forwarding the interrupt signal generated by the front-end control unit to the central control platform; the central control platform responds to the interrupt signal and generates an interrupt signal instruction if the central control platform approves the interrupt signal, and sends a corresponding interrupt signal instruction to the emergency lane switcher; the emergency lane switcher executes corresponding control tasks according to the received real-time control command, control plan command or interrupt signal command so as to control the snapshot system to work or close;
the snapshot system works or closes according to the control of the emergency lane switcher, and shoots pictures at the working period and sends the pictures to the illegal picture downloading system;
the illegal picture downloading system receives a real-time control instruction, a control plan instruction or an interrupt signal instruction of the central control platform and receives a picture sent by the snapshot system; and deleting the pictures corresponding to the closed time period of the snapshot system by the illegal picture downloading system.
Furthermore, after the emergency lane switcher is started,
firstly, reading a plan file stored in an emergency lane switcher, if a control plan is obtained from the plan file, detecting whether the current time meets the control plan, and if so, executing a corresponding control task to control the snapshot system to work or close;
starting network communication and receiving an instruction from a central control platform;
if a control plan instruction is received, saving the control plan instruction into the plan file, so as to update the plan file; executing corresponding control tasks according to the latest received control plan;
if a timing instruction is received, performing system timing;
if a real-time control instruction is received, executing a corresponding control task according to the real-time control instruction;
acquiring an input port interrupt signal between the input port interrupt signal and a front-end control unit in real time, and reporting the interrupt signal to a central control platform if the interrupt signal generated by the front-end control unit is obtained; the central control platform responds to the interrupt signal and generates an interrupt signal instruction if the interrupt signal is approved, and the emergency lane switcher executes a corresponding control task according to the interrupt signal instruction;
acquiring the state of an output port between the acquisition and snapshot systems in real time, and pushing the state value of the output port to a central control platform; the central control platform displays the states of the snapshot systems in a centralized manner.
Furthermore, a task execution module is arranged in the emergency lane switcher; the processing process for closing the snapshot task, namely opening the temporary passage of the emergency lane by the task execution module comprises the following steps:
after receiving a real-time control command, a control plan command or an interrupt signal command, inquiring whether the states of a control task to be executed and an output port of the go snapshot system are consistent;
if the emergency lane switcher is consistent with the emergency lane switcher, the emergency lane switcher operates normally;
if not, entering the next step;
if the received command is an interrupt signal command, reporting a corresponding snapshot closing state to an output port of the snapshot system, and executing a corresponding control task, namely closing the snapshot task; after receiving the value of the output port corresponding to the snapshot closed state, the central control platform records the opening time of the emergency lane and sends the opening time to the illegal picture downloading system;
and if the received command is not an interrupt signal command, executing a corresponding control task, namely closing the snapshot task.
Furthermore, a task execution module is arranged in the emergency lane switcher; the processing process for starting the snapshot task, namely closing the temporary passage of the emergency lane, through the task execution module comprises the following steps:
after receiving a real-time control command, a control plan command or an interrupt signal command, inquiring whether the states of a control task to be executed and an output port of the go snapshot system are consistent;
if the emergency lane switcher is consistent with the emergency lane switcher, the emergency lane switcher operates normally;
if not, entering the next step;
if the received command is an interrupt signal command, reporting a corresponding snapshot starting state to an output port of the snapshot system, and executing a corresponding control task, namely starting the snapshot task;
after receiving the value of the output port corresponding to the snapshot starting state, the central control platform records the closing time of the emergency lane and sends the closing time to the illegal picture downloading system;
and if the received command is not an interrupt signal command, executing a corresponding control task, namely starting a snapshot task.
Further, after the illegal picture downloading system is started, communication is established with the central control platform, an instruction is ready to be received from the central control platform, communication is established with the snapshot system, and pictures are ready to be downloaded;
judging the received command, if the command is a control plan command, extracting a control plan from the command, and storing the control plan into a plan file in an illegal picture downloading system;
judging the received instruction, and if the received instruction is a real-time control instruction or an interrupt signal instruction, further judging whether the instruction is a snapshot closing instruction or snapshot opening instruction;
if the command is a command for closing the snapshot, the time for receiving the command is taken as the snapshot closing time; if the command is a snapshot starting command, taking the time of receiving the command as the snapshot starting time; a real-time control plan is newly established, so that the control plan is saved and updated;
after the pictures are downloaded, the pictures in the shutdown period of the snapshot system are deleted according to a control plan in the illegal picture downloading system, and the pictures in the working period of the snapshot system are stored and uploaded to the central control platform.
The invention has the advantages that: the invention solves the problems that when the emergency lane of the expressway is temporarily opened, the emergency lane snapshot system is closed in a linkage manner, the lane traffic and lane snapshot functions are coordinated, and the contradiction caused by the temporary traffic function of the emergency lane of the expressway is solved.
Drawings
FIG. 1 is a schematic diagram of the system of the present invention.
Fig. 2 is a flowchart illustrating an emergency lane switcher according to the present invention.
FIG. 3 is a flowchart of the task execution module closing the snapshot task according to the present invention.
FIG. 4 is a flowchart of the task execution module starting snapshot task of the present invention.
Fig. 5 is a flowchart of the illegal picture downloading system according to the present invention.
Detailed Description
The invention is further illustrated by the following specific figures and examples.
The embodiment of the invention provides a snapshot linkage control system for an emergency lane of a highway, which comprises the following components as shown in figure 1: the system comprises a central control platform, an emergency lane switcher, a front-end control unit, a snapshot system and an illegal picture downloading system;
the front-end control unit is connected with the emergency lane switcher through a network, the emergency lane switcher is connected with the central control platform through a network, the central control platform is connected with the illegal picture downloading system through a network, the emergency lane switcher is used for controlling the snapshot system to work or close, and the snapshot system is connected with the illegal picture downloading system through a network;
in some embodiments, the front-end control unit is a control unit of a highway on site, and field personnel such as a traffic police can send an interrupt signal through the front-end control unit so that the field personnel can control the snapshot system;
the central control platform is used for editing a control plan according to the time and the road sections for opening and closing the emergency lane; sending a real-time control instruction, a control plan instruction or an interrupt signal instruction to the emergency lane switcher; the central control platform can also have a system timing function and can send a timing instruction to the emergency lane switcher;
the front end control unit is used for generating an interrupt signal according to control requirements and sending the interrupt signal to the emergency lane switcher;
the emergency lane switcher is used for forwarding the interrupt signal generated by the front-end control unit to the central control platform; the central control platform responds to the interrupt signal and generates an interrupt signal instruction if the central control platform approves the interrupt signal, and sends a corresponding interrupt signal instruction to the emergency lane switcher; the emergency lane switcher executes corresponding control tasks according to the received real-time control command, control plan command or interrupt signal command so as to control the snapshot system to work or close; in some embodiments, the emergency lane switcher may turn off the snapshot system by cutting off power supply of the snapshot system (including power supply of the camera and the fill-in light), or turn on power supply of the snapshot system to turn on the snapshot system, and a controller and a relay circuit may be disposed in the emergency lane switcher, so that power supply of the emergency lane switcher may be turned on or off;
the snapshot system works or closes according to the control of the emergency lane switcher, and shoots pictures at the working period and sends the pictures to the illegal picture downloading system; when the snapshot system is closed, the vehicle passes through, and no snapshot supplementary lighting prompt is given, so that the situation that a driver dares not to enter an emergency lane to pass is prevented;
the illegal picture downloading system receives a real-time control instruction, a control plan instruction or an interrupt signal instruction of the central control platform, receives pictures sent by the snapshot system, deletes the pictures corresponding to the shutdown time period of the snapshot system, and prevents the system from not shooting because the emergency lane switcher does not receive the instructions or does not execute the control task due to network faults or other reasons;
the emergency lane switcher is a core working module of the system, and not only can receive real-time control instructions and control plan instructions of a central control platform, but also can collect interrupt requests of a front-end control unit; when the output port of the emergency lane switcher changes the output value, the emergency lane switcher pushes the changed output port state value to the central control platform, so that the central control platform can display the state of each snapshot system in a centralized manner, and task monitoring and management are facilitated;
after the emergency lane switcher is started, the working process is as follows:
s101, firstly, reading a plan file saved in an emergency lane switcher, if a control plan is obtained from the plan file, detecting whether the current time meets the control plan, and if so, executing a corresponding control task to control the snapshot system to work or close;
the emergency lane switcher stores a plan file so that the plan file in the last working process can be executed as soon as the emergency lane switcher is opened; for example, if the control plan in the plan file of the emergency lane switcher is 7:00-9:00 am and 16:00-18:00 pm to turn off the snapshot, after the emergency lane switcher is started, if the current time is 9:30 am, the control task executed by the emergency lane switcher is to turn off the snapshot task, and the power supply of the snapshot system (including the power supply of the camera and the light supplement lamp) is cut off to turn off the snapshot system;
s102, starting network communication and receiving an instruction from a central control platform;
if a control plan instruction is received, saving the control plan instruction into the plan file, so as to update the plan file; executing corresponding control tasks according to the latest received control plan;
if a timing instruction is received, performing system timing;
if a real-time control instruction is received, executing a corresponding control task according to the real-time control instruction;
s103, acquiring an input port interrupt signal between the front-end control unit and the input port in real time, and reporting the interrupt signal to a central control platform if the interrupt signal generated by the front-end control unit is obtained; the central control platform responds to the interrupt signal and generates an interrupt signal instruction if the interrupt signal is approved, and the emergency lane switcher executes a corresponding control task according to the interrupt signal instruction;
s104, acquiring the state of an output port between the acquisition and snapshot systems in real time, and pushing the state value of the output port to a central control platform; the state of the output port of the emergency lane switcher determines whether the snapshot system is in an open state or a closed state; the central control platform displays the states of all the snapshot systems in a centralized manner;
the emergency lane switcher executes corresponding control tasks including closing a snapshot task or opening the snapshot task according to the received real-time control command, the control plan command or the interrupt signal command; a task execution module is arranged in the emergency lane switcher; by comparing the current running state of the module with the task to be executed, the purpose of preventing the port from frequently operating is achieved, and abnormal working of the snapshot system is avoided;
the processing flow for closing the snapshot task, that is, opening the temporary passage of the emergency lane by the task execution module is shown in fig. 3, and includes:
s201, after receiving a real-time control instruction, a control plan instruction or an interrupt signal instruction, inquiring whether a control task to be executed is consistent with the state of an output port of a go snapshot system;
s202, if the emergency lane switcher is consistent, the emergency lane switcher operates normally;
s203, if not, entering the next step;
s204, if the received command is an interrupt signal command, reporting a corresponding snapshot closing state to an output port of the snapshot system, and executing a corresponding control task, namely closing the snapshot task;
s205, after receiving the value of the output port corresponding to the snapshot closed state, the central control platform records the opening time of the emergency lane and sends the opening time to an illegal picture downloading system; the illegal picture downloading system deletes the shot picture in the closing time period of the snapshot system so as to prevent the wrong processing;
s206, if the received command is not an interrupt signal command (such as a real-time control command and a control plan command), executing a corresponding control task, namely closing the snapshot task;
the processing flow for starting the snapshot task, that is, closing the temporary passage of the emergency lane, by the task execution module is shown in fig. 4, and includes:
s301, after receiving a real-time control command, a control plan command or an interrupt signal command, inquiring whether a control task to be executed is consistent with the state of an output port of a go snapshot system;
s302, if the emergency lane switcher is consistent with the emergency lane switcher, the emergency lane switcher operates normally;
s303, if the difference is not consistent, the next step is carried out;
s304, if the received command is an interrupt signal command, reporting a corresponding snapshot starting state to an output port of the snapshot system, and executing a corresponding control task, namely starting the snapshot task;
s305, after receiving the value of the snapshot starting state corresponding to the output port, the central control platform records the closing time of the emergency lane and sends the closing time to an illegal picture downloading system; informing an illegal picture downloading system to record illegal pictures;
s306, if the received command is not an interrupt signal command (such as a real-time control command and a control plan command), executing a corresponding control task, namely starting a snapshot task;
as shown in fig. 5, the illegal picture downloading system receives instructions sent by the central control platform, including real-time control instructions, control plan instructions, or interrupt signal instructions;
after the illegal picture downloading system is started, establishing communication with the central control platform, preparing to receive instructions from the central control platform, establishing communication with the snapshot system and preparing to download pictures;
s401, judging the received command, if the command is a control plan command, extracting a control plan from the command, and storing the control plan into a plan file in an illegal picture downloading system;
s402, judging the received instruction, and if the instruction is a real-time control instruction or an interrupt signal instruction, further judging the instruction is a snapshot closing instruction or snapshot opening instruction;
if the command is a command for closing the snapshot, the time for receiving the command is taken as the snapshot closing time; if the command is a snapshot starting command, taking the time of receiving the command as the snapshot starting time, and creating a new real-time control plan so as to save and update the control plan;
and S403, after the pictures are downloaded, deleting the pictures in the shutdown period of the snapshot system according to the control plan in the illegal picture downloading system, and storing and uploading the pictures in the working period of the snapshot system to the central control platform.
Finally, it should be noted that the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to examples, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the claims of the present invention.
Claims (6)
1. The utility model provides a highway emergency vehicle lane snapshot coordinated control system which characterized in that includes: the system comprises a central control platform, an emergency lane switcher, a front-end control unit, a snapshot system and an illegal picture downloading system;
the front end control unit is connected with the emergency lane switcher through a network, the emergency lane switcher is connected with the central control platform through a network, the central control platform is connected with the illegal picture downloading system through a network, the emergency lane switcher is used for controlling the snapshot system to work or close, and the snapshot system is connected with the illegal picture downloading system through a network.
2. The linked control system for highway emergency lane snapshot according to claim 1,
the central control platform is used for editing a control plan according to the time and the road sections for opening and closing the emergency lane; sending a real-time control instruction, a control plan instruction or an interrupt signal instruction to the emergency lane switcher;
the front end control unit is used for generating an interrupt signal according to control requirements and sending the interrupt signal to the emergency lane switcher;
the emergency lane switcher is used for forwarding the interrupt signal generated by the front-end control unit to the central control platform; the central control platform responds to the interrupt signal and generates an interrupt signal instruction if the central control platform approves the interrupt signal, and sends a corresponding interrupt signal instruction to the emergency lane switcher; the emergency lane switcher executes corresponding control tasks according to the received real-time control command, control plan command or interrupt signal command so as to control the snapshot system to work or close;
the snapshot system works or closes according to the control of the emergency lane switcher, and shoots pictures at the working period and sends the pictures to the illegal picture downloading system;
the illegal picture downloading system receives a real-time control instruction, a control plan instruction or an interrupt signal instruction of the central control platform and receives a picture sent by the snapshot system; and deleting the pictures corresponding to the closed time period of the snapshot system by the illegal picture downloading system.
3. The linked control system for highway emergency lane snapshot according to claim 2,
after the emergency lane switch is started,
firstly, reading a plan file stored in an emergency lane switcher, if a control plan is obtained from the plan file, detecting whether the current time meets the control plan, and if so, executing a corresponding control task to control the snapshot system to work or close;
starting network communication and receiving an instruction from a central control platform;
if a control plan instruction is received, saving the control plan instruction into the plan file, so as to update the plan file; executing corresponding control tasks according to the latest received control plan;
if a timing instruction is received, performing system timing;
if a real-time control instruction is received, executing a corresponding control task according to the real-time control instruction;
acquiring an input port interrupt signal between the input port interrupt signal and a front-end control unit in real time, and reporting the interrupt signal to a central control platform if the interrupt signal generated by the front-end control unit is obtained; the central control platform responds to the interrupt signal and generates an interrupt signal instruction if the interrupt signal is approved, and the emergency lane switcher executes a corresponding control task according to the interrupt signal instruction;
acquiring the state of an output port between the acquisition and snapshot systems in real time, and pushing the state value of the output port to a central control platform; the central control platform displays the states of the snapshot systems in a centralized manner.
4. The linked control system for highway emergency lane snapshot according to claim 3,
a task execution module is arranged in the emergency lane switcher; the processing process for closing the snapshot task, namely opening the temporary passage of the emergency lane by the task execution module comprises the following steps:
after receiving a real-time control command, a control plan command or an interrupt signal command, inquiring whether the states of a control task to be executed and an output port of the go snapshot system are consistent;
if the emergency lane switcher is consistent with the emergency lane switcher, the emergency lane switcher operates normally;
if not, entering the next step;
if the received command is an interrupt signal command, reporting a corresponding snapshot closing state to an output port of the snapshot system, and executing a corresponding control task, namely closing the snapshot task; after receiving the value of the output port corresponding to the snapshot closed state, the central control platform records the opening time of the emergency lane and sends the opening time to the illegal picture downloading system;
and if the received command is not an interrupt signal command, executing a corresponding control task, namely closing the snapshot task.
5. The linked control system for highway emergency lane snapshot according to claim 3,
a task execution module is arranged in the emergency lane switcher; the processing process for starting the snapshot task, namely closing the temporary passage of the emergency lane, through the task execution module comprises the following steps:
after receiving a real-time control command, a control plan command or an interrupt signal command, inquiring whether the states of a control task to be executed and an output port of the go snapshot system are consistent;
if the emergency lane switcher is consistent with the emergency lane switcher, the emergency lane switcher operates normally;
if not, entering the next step;
if the received command is an interrupt signal command, reporting a corresponding snapshot starting state to an output port of the snapshot system, and executing a corresponding control task, namely starting the snapshot task;
after receiving the value of the output port corresponding to the snapshot starting state, the central control platform records the closing time of the emergency lane and sends the closing time to the illegal picture downloading system;
and if the received command is not an interrupt signal command, executing a corresponding control task, namely starting a snapshot task.
6. The linked control system for highway emergency lane snapshot according to claim 1,
after the illegal picture downloading system is started, establishing communication with the central control platform, preparing to receive instructions from the central control platform, establishing communication with the snapshot system and preparing to download pictures;
judging the received command, if the command is a control plan command, extracting a control plan from the command, and storing the control plan into a plan file in an illegal picture downloading system;
judging the received instruction, and if the received instruction is a real-time control instruction or an interrupt signal instruction, further judging whether the instruction is a snapshot closing instruction or snapshot opening instruction;
if the command is a command for closing the snapshot, the time for receiving the command is taken as the snapshot closing time; if the command is a snapshot starting command, taking the time of receiving the command as the snapshot starting time; a real-time control plan is newly established, so that the control plan is saved and updated;
after the pictures are downloaded, the pictures in the shutdown period of the snapshot system are deleted according to a control plan in the illegal picture downloading system, and the pictures in the working period of the snapshot system are stored and uploaded to the central control platform.
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| CN114202940A (en) * | 2021-12-31 | 2022-03-18 | 北京北大千方科技有限公司 | Traffic control system and method for emergency lane on expressway |
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| CN114202940B (en) * | 2021-12-31 | 2023-05-02 | 北京北大千方科技有限公司 | Traffic control system and method for emergency lane on expressway |
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