CN201845437U - Multi-protocol traffic signal controller - Google Patents
Multi-protocol traffic signal controller Download PDFInfo
- Publication number
- CN201845437U CN201845437U CN2010202875448U CN201020287544U CN201845437U CN 201845437 U CN201845437 U CN 201845437U CN 2010202875448 U CN2010202875448 U CN 2010202875448U CN 201020287544 U CN201020287544 U CN 201020287544U CN 201845437 U CN201845437 U CN 201845437U
- Authority
- CN
- China
- Prior art keywords
- mainboard
- traffic signal
- detector
- board
- protocol
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Images
Landscapes
- Communication Control (AREA)
Abstract
The utility model discloses a multi-protocol traffic signal controller which mainly consists of a power board, a main board, a detector board, a detector interface board and a plurality of lamp control boards, wherein the main board adopts a control circuit which takes an advanced RISC machine (ARM) as a core; the power board, the detector board, the detector interface board and the plurality of lamp control boards form an intelligent circuit by a singlechip to be connected with the main board by a serial bus; the singlechip not only can be communicated with the ARM on the main board but also can receive and execute an order of the main boar, feed the state back to the main board, and detect the even and the state of the circuit. As a communication protocol stack of the GB/T 20999-2007 national standard and the other various communication protocol stacks are always compatible in a protocol set, the multi-protocol traffic signal controller offers a steady-transited solution for the existing traffic signal control system to execute a standardized communication protocol.
Description
Technical field
The utility model relates to a kind of traffic signals control field, particularly relates to the not only existing plurality of optional of a kind of communication protocol with host computer, and is easy to expand the multi-protocols traffic signal controlling machine of customization.
Background technology
In the intelligence control system of road traffic, crossing traffic signal controlling machine (abbreviation teleseme) is very crucial equipment.The traffic signal control system that adopt at present domestic each city (comprising external import and domestic self-control system), enterprise's proprietary protocol is separately generally used in communicating by letter between teleseme and host computer (control center's software), externally not open, be difficult to each other for usefulness, other manufacturer is difficult in the chance that acquisition participates in the competition in System Expansion and the renewal.This just forms relative sealing and monopolization general layout, greatly increased the weight of system maintenance, upgrade and continue cost, also make the life cycle of system hinge on the ups and downs of the company of undertaking the construction of simultaneously, strengthened the security risk of system.
In order to realize the universalization of various telesemes, break the closed situation in the urban traffic control system, State General Administration for Quality Supervision and national standardization management committee unite the national standard (numbering GB/T 20999-2007) of having issued " data communication protocol between traffic signal controlling machine and host computer " in July, 2007, and regulation came into effect from January 1st, 2008.This open-standards and existing a lot of proprietary protocol difference are very big, are difficult to compatibility, and in addition standard itself also needs a perfecting process, thereby also seldom obtain the response and the realization of teleseme producer at present.On the other hand, urban traffic signal control system investment is huge, is in continuous running status after building up again, built in a large number and can not make a new start in a short time in the system that builds, thereby the implementation of new standard faces a series of difficult problems.
The communication protocol of carrying out meeting national standard in traffic signal control system is the inexorable trend of industry development; the process of just the realizing this goal huge investment of original system that needs protection simultaneously; thereby the implementation of standard can not be accomplished in one move the progressively transition of process that the needs experience is very long.This just presses for seeks a kind of meeting the market requirement, the solution that can realize a smooth transition.
The utility model content
The purpose of this utility model is to release a kind of multi-protocol signal controller, for existing traffic signal control system is carried out the solution that standardized communication protocols provides smooth transition.
For achieving the above object, technical solution of the present utility model is:
The utility model is a kind of multi-protocols traffic signal controlling machine, and it mainly is made up of power panel, mainboard, detector plates, detector interface plate and polylith lamp control plate; It is the control core circuit that described mainboard adopts ARM, power panel, detector plates, detector interface plate all constitute smart circuit by single-chip microcomputer with polylith lamp control plate and are connected with mainboard by universal serial bus, single-chip microcomputer is not only communicated by letter with ARM on the mainboard, and instruction, the feedback states of accepting and carry out mainboard given mainboard and incident, the state of this circuit detected.
Host CPU on the described mainboard adopts technical grade embedded-type ARM microprocessor, built-in ICP/IP protocol, and its peripheral circuit is mainly by power management module, clock module, flash memory FLASH, random access memory ram; External unit comprises communication interface, display interface, keyboard interface, input interface plate and output interface plate.
After adopting such scheme, the utlity model has following advantage:
(1) owing to defers to the communication protocol stack of GB/T 20999-2007 national standard and other various communication protocol stacks in the protocol suite of the present utility model all the time and deposit, in case thereby opportunity maturation, progressively be updated to described multi-protocol signal machine such as the used teleseme of place traffic signal control system, used control center software has also been upgraded and has been supported GB/T 20999-2007 agreement, and then the communication protocol of this system can switch to the communication protocol that meets national standard in a twinkle.From then on can make system go on opening benign development road, avoid the enclosed type system to be limited by all drawbacks that specific company causes at aspects such as economy, technology, safety.And before this, because the multi-protocol signal machine of progressively replacing operation is the original communication protocol of system, replacement process does not influence the normal operation of control system by stages, thereby has really realized smooth transition as expected.
(2) it is narrower that tradition adopts the teleseme applicable surface of single communication agreement, and market capacity is limited.Even adopt the communication protocol that meets national standard,, thereby still be difficult in a short time accept extensively for market because the large-scale promotion application condition of this standard does not still possess at present.The communication protocol of the built-in multiple popular teleseme on the market of multi-protocol signal machine described in the utility model, and possess very strong customized extension ability, thereby its applicable surface to traffic signal control system is very wide, market outlook are bright and clear.
(3) adopt opening communication protocol to make the user on teleseme is selected, have enough degree of freedom, be easy to realize the technology innovation and the performance boost of teleseme product.In addition, owing to adopt the communication protocol of national standard, its version updating is that the repeated examinations of generally feedback, expert's careful discussion and the practice of mosaic society forms, thereby compared with the sealing proprietary protocol higher advance, rationality and degree of recognition are arranged, help the lifting of domestic communication whistle control system overall technology level, also reduced the difficulty and the cost of technology upgrading simultaneously.
Below in conjunction with the drawings and specific embodiments the utility model is further described.
Description of drawings
Fig. 1 is the traffic signal control system structural representation;
Fig. 2 is the multi-protocols software architecture diagram;
Fig. 3 is a structural representation of the present utility model.
Embodiment
As shown in Figure 3, the utility model is a kind of multi-protocols traffic signal controlling machine, and it mainly is made up of power panel 1, mainboard 2, detector plates 3, detector interface plate 4 and polylith lamp control plate 5.
It is the control core circuit that described mainboard 2 adopts ARM, power panel 1, detector plates 3, detector interface plate 4 and polylith lamp control plate 5 all constitute smart circuit by single-chip microcomputer and are connected with mainboard 2 by universal serial bus 6, single-chip microcomputer is not only communicated by letter with ARM on the mainboard 2, accept and carry out instruction, the feedback states of mainboard and give mainboard, and incident, the state of this circuit detected.
Host CPU on the described mainboard 2 adopts technical grade embedded-type ARM (Advanced RISCMachines) microprocessor, as the core of system hardware; Peripheral circuit mainly is made up of power management module, clock module, flash memory FLASH, random access memory ram.External unit comprises communication interface (RS232 data terminal equipment interface and Ethernet interface), display interface, keyboard interface, input interface plate (receiving each lane flow detector data of crossing) and output interface plate (state of control crossing all directions signal lamp).Each control module of external unit adopts single chip computer architecture to form multi-computer system.
As shown in Figure 1, mainly by signal lamp 101, wagon detector 102, the signal controlling machine 103 of front end 10, the center monitoring subsystem 20 on backstage connects front end 10 and forms with the communication subsystem 30 of backstage center monitoring subsystem 20 traffic signal control system.
Teleseme is the key equipment of control of traffic and road.The major control method of intelligent traffic signal control system comprises: the multi-period multi-phase signals of single-point fixed cycle is coordinated control (clock calls default scheme), vehicle induction real-time adaptive is coordinated control (according to the real-time adjustment cycle of wagon flow, split, increase effective green time), the preferential main line of special user is coordinated control (the coordination cycle, phase differential is looked after the pedestrian, bus, special purpose vehicle), green wave coordination control (coordinating phase differential) so that the vehicle that allows on certain direction of main line speed in accordance with regulations run can block by nothing, real-time adaptive Region control (Traffic Flow Simulation, optimize performance indicator, according to the traffic flow of control strategy equalization region) etc.The wagon flow data that control center's software is uploaded according to teleseme are assigned steering order through after the computation optimization to teleseme.
Communication protocol has been stipulated data layout and the transmission mechanism that teleseme is communicated by letter with host computer, has guaranteed reliability of data transmission and integrality.The software configuration of multi-protocol communication as shown in Figure 2.Software provides the communication process that the proprietary communication module is used for the parsing and the conversion between agreement of multi-protocols and finishes each agreement.Data communication is finished by message processing facility; The state of teleseme and running parameter unification are mapped to the running parameter district, and signal operation control program is from running parameter district reading of data and feedback states, and signal operation control program and communication protocol are irrelevant, and its control is controlled by message processing program.
The processor of domestic teleseme is divided into two classes mostly: a class adopts 8/16 single-chip microcomputer as processor.This class teleseme traffic control function is simple, can not support complicated communication protocol, is not suitable as the support platform of multi-protocol signal machine.It is a communication modes with RS 232+Modem or RS485, and means of communication is single, and long Distance Transmission is unreliable.Another kind of industrial computer or the PC104 of then being based on, though function is powerful,, be not specially at the teleseme Application Design because industrial computer or PC104 are by the multi-purpose computer standard design, such teleseme hardware configuration complexity and many functions do not need, and cost is higher.
The utility model adopts embedded system to constitute the processor of teleseme.Embedded system and general purpose computer maximum different just are that it designs for application-specific, but the software and hardware cutting.It has low in energy consumption, characteristics such as volume is little, integrated level height usually, can be integrated in chip internal to many being finished by integrated circuit board of tasks in the multi-purpose computer, thereby helping system is tending towards miniaturization, strengthens locomotivity, the coupling network function.This characteristics of embedded system just in time are applicable to the multi-protocol signal machine that function, reliability, cost, volume, power consumption is had strict demand.The utility model selects to finish based on 32 Embedded RISC processors of ARM nuclear the hardware design of multi-protocol signal machine control panel, teleseme is become collect in traffic system and handles traffic flow data, communicate by letter and network and regional coordination is controlled the design object of platform to reach.
Operating system of the present utility model adopts kernel through cutting, the redundant built-in Linux operating system of elimination.Built-in Linux has very strong tenability to real-time multi-task, can finish multitask and short interrupt response time is arranged, thereby the inner code and the execution time of kernel are minimized.The characteristics of built-in Linux at the aspects such as specificity of relevant dependence, software solid state and the application of system's real-time high-efficiency, hardware have adapted to the signal demand of control in real time.Its built-in ICP/IP protocol stack has been simplified the design of multi-protocol signal machine communication software.The program of embedded system all is solidificated on the Flash ROM, satisfies the code that function, performance and time limit require and writes among the Flash ROM in order to design one.Need special development platform to carry out cross-development.
Communication software exploitation adopt GNU C++/C.The soft component technology of The software standard.Member (component) is reusable software composition, has relatively independent function and reusable and is worth.Member is divided into member class and member example, by providing the parameter of member class, generates example, constructs corresponding application software by the assembling and the control of example.The embedded communication software of teleseme adopts hierarchy, comprises device drive layer, communications layer and applied logic layer.Appropriate is software hierarchy, will improve scalability, maintainability, reusability and the manageability of software.Because communication software adopts hierarchy and soft technique exploitation, thereby by the selecting for use of modular assembly, instantiation and combination, the communication protocol of teleseme and host computer can freely be selected in given protocol suite, also can append new agreement toward protocol suite easily.
Claims (2)
1. multi-protocols traffic signal controlling machine, it is characterized in that: it mainly is made up of power panel, mainboard, detector plates, detector interface plate and polylith lamp control plate; It is the control core circuit that described mainboard adopts ARM, power panel, detector plates, detector interface plate all constitute smart circuit by single-chip microcomputer with polylith lamp control plate and are connected with mainboard by universal serial bus, single-chip microcomputer is not only communicated by letter with ARM on the mainboard, and instruction, the feedback states of accepting and carry out mainboard given mainboard and incident, the state of this circuit detected.
2. multi-protocols traffic signal controlling machine according to claim 1, it is characterized in that: the host CPU on the described mainboard adopts technical grade embedded-type ARM microprocessor, built-in ICP/IP protocol, its peripheral circuit are mainly by power management module, clock module, flash memory FLASH, random access memory ram; External unit comprises communication interface, display interface, keyboard interface, input interface plate and output interface plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202875448U CN201845437U (en) | 2010-08-06 | 2010-08-06 | Multi-protocol traffic signal controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202875448U CN201845437U (en) | 2010-08-06 | 2010-08-06 | Multi-protocol traffic signal controller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201845437U true CN201845437U (en) | 2011-05-25 |
Family
ID=44040322
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202875448U Expired - Lifetime CN201845437U (en) | 2010-08-06 | 2010-08-06 | Multi-protocol traffic signal controller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201845437U (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102546842A (en) * | 2011-12-27 | 2012-07-04 | 四川川大智胜软件股份有限公司 | Interface board of wireless-transmission general-purpose vehicle detector |
| CN102568203A (en) * | 2011-12-27 | 2012-07-11 | 四川川大智胜软件股份有限公司 | Output interface convertor of general-purpose vehicle detector |
| CN103150912A (en) * | 2013-03-14 | 2013-06-12 | 上海新中新猎豹交通科技股份有限公司 | Encoded control type multi-phase signaler, signal control system and signal control method |
| CN105989716A (en) * | 2015-02-13 | 2016-10-05 | 北京东土科技股份有限公司 | Control method and system for traffic signal |
| CN110493052A (en) * | 2019-08-22 | 2019-11-22 | 北京交大思诺科技股份有限公司 | A kind of safety computer platform communication construction of compatible different communication protocol |
| CN112084127A (en) * | 2020-08-24 | 2020-12-15 | 珠海格力电器股份有限公司 | Distributed controller and distributed autonomous system |
| CN112711449A (en) * | 2019-10-25 | 2021-04-27 | 西安诺瓦星云科技股份有限公司 | Data processing method, device and system and computer storage medium |
| CN114333301A (en) * | 2021-12-06 | 2022-04-12 | 北京东土正创科技有限公司 | Traffic signal control optimization method and system and traffic signal optimization equipment |
| CN118097988A (en) * | 2024-04-28 | 2024-05-28 | 擎翌(上海)智能科技有限公司 | Traffic signal management method, device, computer equipment and medium |
-
2010
- 2010-08-06 CN CN2010202875448U patent/CN201845437U/en not_active Expired - Lifetime
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102546842A (en) * | 2011-12-27 | 2012-07-04 | 四川川大智胜软件股份有限公司 | Interface board of wireless-transmission general-purpose vehicle detector |
| CN102568203A (en) * | 2011-12-27 | 2012-07-11 | 四川川大智胜软件股份有限公司 | Output interface convertor of general-purpose vehicle detector |
| CN102546842B (en) * | 2011-12-27 | 2014-08-13 | 四川川大智胜软件股份有限公司 | Interface board of wireless-transmission general-purpose vehicle detector |
| CN103150912A (en) * | 2013-03-14 | 2013-06-12 | 上海新中新猎豹交通科技股份有限公司 | Encoded control type multi-phase signaler, signal control system and signal control method |
| CN103150912B (en) * | 2013-03-14 | 2016-01-06 | 上海新中新猎豹交通科技股份有限公司 | Coding-control type multi-phase signals machine, whistle control system and signal control method |
| CN105989716A (en) * | 2015-02-13 | 2016-10-05 | 北京东土科技股份有限公司 | Control method and system for traffic signal |
| CN110493052A (en) * | 2019-08-22 | 2019-11-22 | 北京交大思诺科技股份有限公司 | A kind of safety computer platform communication construction of compatible different communication protocol |
| CN112711449A (en) * | 2019-10-25 | 2021-04-27 | 西安诺瓦星云科技股份有限公司 | Data processing method, device and system and computer storage medium |
| CN112084127A (en) * | 2020-08-24 | 2020-12-15 | 珠海格力电器股份有限公司 | Distributed controller and distributed autonomous system |
| CN114333301A (en) * | 2021-12-06 | 2022-04-12 | 北京东土正创科技有限公司 | Traffic signal control optimization method and system and traffic signal optimization equipment |
| CN118097988A (en) * | 2024-04-28 | 2024-05-28 | 擎翌(上海)智能科技有限公司 | Traffic signal management method, device, computer equipment and medium |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201845437U (en) | Multi-protocol traffic signal controller | |
| CN201371945Y (en) | Electric steering engine controller based on FPGA | |
| CN102231075B (en) | Common platform of electric power measurement and control method thereof | |
| CN102227122B (en) | Platform-independent protocol modularized system | |
| CN109062145A (en) | Numerically-controlled machine tool motion control card based on WIFI communication | |
| CN205829666U (en) | A kind of industry intelligent networking gateway | |
| CN201681294U (en) | Tunnel lamplight control system based on CAN bus | |
| CN102231718B (en) | Gateway of communication between Ethernet for control and automation technology (EtherCAT) and CAN, and communication method thereof | |
| CN103076849B (en) | Reconfigurable micro server system | |
| CN202230371U (en) | Intelligent home control system | |
| CN104834260A (en) | Double-channel CAN bus controller based on frequency conversion control and double-CAN arbitration method | |
| CN104064040A (en) | Traffic signal control machine with synergistic dispersion function | |
| CN202872468U (en) | Real-time data access interface devic of SCADA (Supervisory Control and Data Acquisition) system | |
| CN101593128A (en) | Based on IPMC and the construction method thereof in the ATCA system of real time operating system | |
| CN113204218B (en) | Intelligent manufacturing control unit | |
| CN110535759A (en) | A kind of communication gate, correlation technique and relevant apparatus | |
| CN103885821B (en) | SCADA pre-procesors and its Multi-channel multi-line journey real-time scheduling method | |
| CN110113322A (en) | A kind of Internet of Things intelligence system applied to industry | |
| CN109752992A (en) | A kind of FPGA+8051 system controller | |
| CN103294025A (en) | Intelligent management and control system and method of energy consumption of internet of things | |
| CN201153243Y (en) | Intelligent frequency-converting speed-regulating system | |
| CN202889275U (en) | Remote motor control system based on eCos and Web server | |
| CN200947048Y (en) | Wireless water meter | |
| CN1519745A (en) | Network control platfom in embedded type modular construction based on communication under multiple protocols | |
| CN201749323U (en) | Program control computer of embedded paper cutter |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110525 |
|
| CX01 | Expiry of patent term |