CN103197645A - Expressway programmable logic controller (PLC) tunnel monitoring system - Google Patents
Expressway programmable logic controller (PLC) tunnel monitoring system Download PDFInfo
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- CN103197645A CN103197645A CN2013101132234A CN201310113223A CN103197645A CN 103197645 A CN103197645 A CN 103197645A CN 2013101132234 A CN2013101132234 A CN 2013101132234A CN 201310113223 A CN201310113223 A CN 201310113223A CN 103197645 A CN103197645 A CN 103197645A
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Abstract
The invention relates to an expressway programmable logic controller (PLC) tunnel monitoring system which comprises a variable message sign, a lane indicator, illumination equipment, a fan, a master PLC and a plurality of site PLCs. An expressway tunnel left cave and an expressway tunnel right cave are respectively provided with an optical fiber redundancy token looped network. Two optical fiber redundancy token looped networks are independent of each other. The variable message sign, the lane indicator, the illumination equipment and the fan are respectively connected with a site PLC. Each site PLC is connected with a monitoring computer in a signal mode through the master PLC. The master PLC and the plurality of site PLCs are connected in the optical fiber redundancy token looped networks. According to the expressway PLC tunnel monitoring system, an integrated scheme which combines a tunnel PLC and a central control computer is adopted in an expressway tunnel swarm intelligence automatic system, decentralized control and centralized management are carried out on electromechanical devices of an expressway tunnel, meanwhile, monitoring is carried out on the internal environment of a cave of the expressway tunnel, the external environment of the cave of the expressway tunnel and the electromechanical devices, not only are control requirements of the expressway tunnel to traffic, illumination and ventilation inside the cave of the expressway tunnel satisfied, but also the purposes of coordination of comprehensive monitoring on the whole expressway PLC tunnel monitoring system and energy saving are achieved.
Description
Technical field
The present invention relates to a kind of supervisory system, especially relate to a kind of highway PLC tunnel monitoring system.
Background technology
In recent years, along with the develop rapidly of highway in China communication, the grade of highway improves constantly, mileage open to traffic is soaring year by year, highway construction has become the mainstay industry of pulling growth of the national economic, therefore the tunnel safety problems of operation seems more and more outstanding, and the supervision in tunnel and control and management become the important topic of the normal operation of Road Tunnel Safety.
Characteristics such as tunnel monitoring system has that monitoring environment is abominable, reference mark dispersion, analog quantity and digital information are many. simultaneously, along with the develop rapidly of computing machine, network service, electronic technology and intelligent transportation system (ITS), Programmable Logic Controller (PLC) (Programmable controller of tunnel) obtains more and more widely application with its remarkable reliability, anti-interference and characteristics such as convenient, flexible programming and application in Industry Control and automatic field.In the freeway tunnel group intelligence automation system, adopt the Integrated Solution of tunnel programmable controller and central control computer, the tunnel electromechanical equipment is carried out decentralised control, centralized management, simultaneously the inside and outside environment in hole and electromechanical equipment are monitored, both satisfy freeway tunnel to the control requirement of traffic in the hole, illumination and ventilation, reached the coordination and the energy-conservation purpose that total system are realized overall monitor again.
But present control scheme does not propose policy control, can not be when environment, time factor etc. changes, by the automatic or manual opertaing device that sets out of system; Do not adopt the hierarchy of data.
Summary of the invention
The present invention has designed a kind of highway PLC tunnel monitoring system, and the technical matters of its solution is: the existing system that (1) super large tunnel line is long, equipment is many, the data acquisition amount causes greatly is written into long, the blunt problem of interfacial reaction of time; (2) present tunnel monitoring system does not propose policy control, can not be when environment, time factor etc. changes, by the automatic or manual opertaing device that sets out of system; (3) the existing tunnel supervisory system does not adopt the hierarchy of data.
In order to solve the technical matters of above-mentioned existence, the present invention has adopted following scheme:
A kind of highway PLC tunnel monitoring system, comprise variable information board, track indicator, light fixture, blower fan, main PLC and a plurality of on-the-spot PLC, be respectively equipped with the redundant optical fiber token-ring network in freeway tunnel hole, a left side and Tunnel Right hole, two redundant optical fiber token-ring networks all are separate, variable information board, track indicator, light fixture and blower fan connect an on-the-spot PLC respectively, each on-the-spot PLC is connected with the supervisory control comuter signal by main PLC, and main PLC and a plurality of on-the-spot PLC are connected in the redundant optical fiber token-ring network.
Further, the information that supervisory control comuter is write down sends to on-the-spot PLC by main PLC, send to advices plate by on-the-spot PLC, after data send successfully, read the show state of advices plate, and show state sent to the memory block of main PLC, supervisory control comuter just can be visited the memory block of main PLC and be come judgment data whether to send success; Described memory block is used for storing the data that will issue, feedback data and the storage host computer of storage issue requires main PLC and on-the-spot PLC to send the program of data to advices plate.
Further, host computer sends to main PLC to the control information to the track, main PLC is that the data that supervisory control comuter sends have been opened up one section memory block, when host computer sends data, main PLC supervisory control comuter control information receive in this section memory block, and the control information of supervisory control comuter made corresponding control action, and then the supervisory control action of main PLC is sent to the on-the-spot PLC of field control track indicator, realize control to the track indicator by on-the-spot PLC.
Further, host computer sends to main PLC to the control information to light fixture, main PLC is that the data that supervisory control comuter sends have been opened up one section memory block, when host computer sends data, main PLC supervisory control comuter control information receive in this section memory block, and the control information of supervisory control comuter made corresponding control action, and then the supervisory control action of main PLC is sent to the on-the-spot PLC of on-the-spot illumination, realize control to illumination by on-the-spot PLC.
Further, host computer is control information sends to main PLC to blower fan, main PLC is that the data that supervisory control comuter sends have been opened up one section memory block, when host computer sends data, main PLC supervisory control comuter control information receive in this section memory block, and the control information of supervisory control comuter made corresponding control action, and then the supervisory control action of main PLC is sent to the on-the-spot PLC of control blower fan, realized blower fan is controlled by on-the-spot PLC.
This highway PLC tunnel monitoring system is compared with existing highway PLC tunnel monitoring system, has following beneficial effect:
1, the present invention can collect the information that this section checkout equipment detects, and comprises CO detecting device, visibility detecting device, transmitance detector, wagon detector etc.
2, the present invention can carry out pre-service to collection information.As: the concentration that allows when the CO in the tunnel normally runs at 150-250ppm,, (in the tunnel all travel with idling in each track, and average speed can be 300ppm during for 10km/h, and elapsed-time standards is no more than 20 minutes in the traffic retardance; The smog safe level is 7.0*0.001 1/m in the tunnel; Be recommended as 10m/s when wind speed is normally runed in the tunnel), and be stored in the local storage unit.
3, the information of handling well in the storage unit of the local controller in the tunnel among the present invention (CO concentration, visibility, smokescope, transmitance, vehicle detection, traffic signals sign etc.) is uploaded to the server of tunnel monitoring branch center.
4, the present invention can receive the various control commands (as control the opening of blower fan, stop, light switch etc.) of tunnel management station computing machine, with control command and equipment running status relatively after, send steering order to the lower end actuating equipment instruction of blower fan, illumination cabinet, lane control sign, traffic lights, the indication of horizontal hole etc. (as issue).
5, local controller is provided with manual control among the present invention, and touch-screen NT31C is adopted at the manual operation interface, when communication disruption or other reason and upper end are out of touch, can carry out manual operation, and manual priority.
6, the present invention can store several commonly used and special programs, as procedure of traffic accident, fire emergency treatment program etc. (i.e. emergency treatment measure when meeting with a street accident, as: change the traffic signals sign, send warning message, notify patrol police etc.; Emergency treatment measure when running into fire, as: when running into fire in the tunnel, the control of blower fan etc.).
7, in the freeway tunnel group intelligence automation system, adopt the Integrated Solution of tunnel programmable controller and central control computer, the tunnel electromechanical equipment is carried out decentralised control, centralized management, simultaneously the inside and outside environment in hole and electromechanical equipment are monitored, both satisfy freeway tunnel to the control requirement of traffic in the hole, illumination and ventilation, reached the coordination and the energy-conservation purpose that total system are realized overall monitor again.
Description of drawings
Fig. 1: tunnel of the present invention PLC network figure;
Fig. 2: variable information board controller data of the present invention sends and flows to schematic flow sheet;
Fig. 3: track of the present invention indicator control data flow figure;
Fig. 4: illumination control data flow figure of the present invention;
Fig. 5: blower fan control data flow figure of the present invention.
Embodiment
Below in conjunction with Fig. 1 to Fig. 5, the present invention will be further described:
As shown in Figure 1, the PLC system in each tunnel forms the redundant token-ring network of optical fiber ContorllerLink in left tunnel hole and Tunnel Right hole respectively, and two redundant token-ring networks of optical fiber ContorllerLink all are independently control system, mutually noninterfere and influence.Be installed in the indoor PLC of watch-dog and link to each other with main control PLC by HostLink, and form Ethernet with server via Ethernet module, HUB, the fiber optical transceiver of tunnel monitoring branch center and carry out exchanges data.Main control PLC connects a local touch-screen in Control Room, and links to each other with a remote touch screen of monitoring branch center by MODEM.
As shown in Figure 2: wherein, the information that the variable information board control module mainly is responsible for supervisory control comuter is write down sends to on-the-spot PLC by main PLC, send to advices plate by on-the-spot PLC, after data send successfully, read the show state of advices plate, and show state sent to the memory block of main PLC, supervisory control comuter just can be visited the memory block of main PLC and be come judgment data whether to send success.Main PLC is that releasing news of host computer opened up one section memory block, and this section memory block is used for storing the data that will issue and requires PLC to send the program of data to advices plate with feedback data and the host computer of issue.In the time will releasing news, host computer is write data in the memory block of PLC, the content of depositing among the PLC in the memory block of advices plate data changes, PLC detect send order after, by system functional block AG_SEND the data in the memory block are sent to on-the-spot PLC.
As shown in Figure 3: the control model of track indicator is divided into following three grades of controls:
1, monitoring branch center: control (supervisory control comuter) automatically, artificial control (supervisory control comuter) at a distance.
2, tunnel monitoring chamber: manual control (supervisory control comuter).
3, field control: control manually.
Under the normal condition, the control of track indicator can be controlled with the supervisory control comuter of branch center when the tunnel monitoring computing machine breaks down by the supervisory control comuter control at tunnel control center.Can be by the manual control at scene when above supervisory control comuter all breaks down.The control program of track indicator is responsible for supervisory control comuter is sent to the track indicator to the control information of track indicator, realizes the control to traffic.Its operation thought is as follows:
1, host computer sends to main PLC to the control information to the track.These control informations comprise to up runway, up fast, descending runway, descending fast control.
2, main PLC is that the data that supervisory control comuter sends have been opened up one section memory block, when host computer sends data, main PLC supervisory control comuter control information receive in this section memory block, and corresponding control action is made in the control information of supervisory control comuter.Then the supervisory control action of main PLC is sent to the PLC of field control track indicator, by the control of on-the-spot PLC realization to the track indicator.
As shown in Figure 4, illumination control is divided into following three grades of controls:
Monitoring branch center: control (supervisory control comuter) automatically, artificial control (supervisory control comuter) at a distance.
Tunnel monitoring chamber: manual control (supervisory control comuter).
Field control: control manually.
Under the positive situation, the control of track indicator can be controlled with the supervisory control comuter of branch center when the tunnel monitoring computing machine breaks down by the supervisory control comuter control at tunnel control center.Can be by the manual control at scene when above supervisory control comuter all breaks down.The program of illumination control is responsible for the lighting requirement of supervisory control comuter is sent to light fixture and street lamp, the control of realization to throwing light in the tunnel in.Its operation thought is as follows:
1, host computer sends to main PLC to the control information to light fixture.
2, main PLC is that the data that supervisory control comuter sends have been opened up one section memory block, when host computer sends data, main PLC supervisory control comuter control information receive in this section memory block, and corresponding control action is made in the control information of supervisory control comuter.Then the supervisory control action of main PLC is sent to the PLC of on-the-spot illumination, by the control of on-the-spot PLC realization to illumination.
As shown in Figure 5, blower fan control is divided into following three grades of controls:
1, monitoring branch center: control (supervisory control comuter) automatically, artificial control (supervisory control comuter) at a distance.
2, tunnel monitoring chamber: manual control (supervisory control comuter).
3, field control: control manually.
Under the normal condition, the control of the device of track indication can be controlled with the supervisory control comuter of branch center when the tunnel monitoring computing machine breaks down by the supervisory control comuter control at tunnel control center.Can be by the manual control at scene when above supervisory control comuter all breaks down.The blower fan control program is responsible for the requirement of supervisory control comuter fan starting is sent to blower fan in the tunnel, realizes the control to blower fan.Its operation thought is as follows:
1, host computer is control information sends to main PLC to blower fan.
2, main PLC is that the data that supervisory control comuter sends have been opened up one section memory block, when host computer sends data, main PLC supervisory control comuter control information receive in this section memory block, and corresponding control action is made in the control information of supervisory control comuter.Then the supervisory control action of main PLC is sent to the PLC of field control blower fan, realized blower fan is controlled by on-the-spot PLC.
By reference to the accompanying drawings the present invention has been carried out exemplary description above; obvious realization of the present invention is not subjected to the restriction of aforesaid way; as long as the various improvement of having adopted method design of the present invention and technical scheme to carry out; or without improving design of the present invention and technical scheme are directly applied to other occasion, all in protection scope of the present invention.
Claims (5)
1. highway PLC tunnel monitoring system, comprise variable information board, track indicator, light fixture, blower fan, main PLC and a plurality of on-the-spot PLC, it is characterized in that: be respectively equipped with the redundant optical fiber token-ring network in freeway tunnel hole, a left side and Tunnel Right hole, two redundant optical fiber token-ring networks all are separate, variable information board, track indicator, light fixture and blower fan connect an on-the-spot PLC respectively, each on-the-spot PLC is connected with the supervisory control comuter signal by main PLC, and main PLC and a plurality of on-the-spot PLC are connected in the redundant optical fiber token-ring network.
2. according to the described highway PLC of claim 1 tunnel monitoring system, it is characterized in that: the information that supervisory control comuter is write down sends to on-the-spot PLC by main PLC, send to advices plate by on-the-spot PLC, after data send successfully, read the show state of advices plate, and show state sent to the memory block of main PLC, supervisory control comuter just can be visited the memory block of main PLC and be come judgment data whether to send success; Described memory block is used for storing the data that will issue, feedback data and the storage host computer of storage issue requires main PLC and on-the-spot PLC to send the program of data to advices plate.
3. according to the described highway PLC of claim 1 tunnel monitoring system, it is characterized in that: host computer sends to main PLC to the control information to the track, main PLC is that the data that supervisory control comuter sends have been opened up one section memory block, when host computer sends data, main PLC supervisory control comuter control information receive in this section memory block, and the control information of supervisory control comuter made corresponding control action, then the supervisory control action of main PLC is sent to the on-the-spot PLC of field control track indicator, by the control of on-the-spot PLC realization to the track indicator.
4. according to the described highway PLC of claim 1 tunnel monitoring system, it is characterized in that: host computer sends to main PLC to the control information to light fixture, main PLC is that the data that supervisory control comuter sends have been opened up one section memory block, when host computer sends data, main PLC supervisory control comuter control information receive in this section memory block, and the control information of supervisory control comuter made corresponding control action, then the supervisory control action of main PLC is sent to the on-the-spot PLC of on-the-spot illumination, by the control of on-the-spot PLC realization to illumination.
5. according to the described highway PLC of claim 1 tunnel monitoring system, it is characterized in that: host computer is control information sends to main PLC to blower fan, main PLC is that the data that supervisory control comuter sends have been opened up one section memory block, when host computer sends data, main PLC supervisory control comuter control information receive in this section memory block, and the control information of supervisory control comuter made corresponding control action, then the supervisory control action of main PLC is sent to the on-the-spot PLC of control blower fan, realized blower fan is controlled by on-the-spot PLC.
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| CN2013101132234A CN103197645A (en) | 2013-04-03 | 2013-04-03 | Expressway programmable logic controller (PLC) tunnel monitoring system |
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| CN2013101132234A CN103197645A (en) | 2013-04-03 | 2013-04-03 | Expressway programmable logic controller (PLC) tunnel monitoring system |
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| CN103529809A (en) * | 2013-10-28 | 2014-01-22 | 成都四为电子信息股份有限公司 | Railway tunnel electromechanical equipment controlling system and method based on computer script control |
| CN105259863A (en) * | 2015-10-30 | 2016-01-20 | 北京航天自动控制研究所 | PLC warm backup redundancy method and system |
| CN105525936A (en) * | 2016-02-02 | 2016-04-27 | 招商局重庆交通科研设计院有限公司 | Ventilation control method for highway tunnel group |
| CN114413870A (en) * | 2022-03-28 | 2022-04-29 | 中交第一航务工程局有限公司 | Tunnel multi-line lead penetration measuring method |
| CN114495524A (en) * | 2021-12-24 | 2022-05-13 | 深圳领创智能控制有限公司 | Tunnel intelligent traffic control system, method, storage medium and electronic equipment |
| CN114913686A (en) * | 2022-05-10 | 2022-08-16 | 山东高速信息集团有限公司 | Communication method and device for lane indicating equipment |
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| CN114413870A (en) * | 2022-03-28 | 2022-04-29 | 中交第一航务工程局有限公司 | Tunnel multi-line lead penetration measuring method |
| CN114913686A (en) * | 2022-05-10 | 2022-08-16 | 山东高速信息集团有限公司 | Communication method and device for lane indicating equipment |
| CN114913686B (en) * | 2022-05-10 | 2024-03-12 | 山东高速信息集团有限公司 | Communication method and device for lane indication device |
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Application publication date: 20130710 |