CN103984254A - Guideboard protocol transfer controller - Google Patents
Guideboard protocol transfer controller Download PDFInfo
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- CN103984254A CN103984254A CN201410217863.4A CN201410217863A CN103984254A CN 103984254 A CN103984254 A CN 103984254A CN 201410217863 A CN201410217863 A CN 201410217863A CN 103984254 A CN103984254 A CN 103984254A
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Abstract
The invention relates to a guideboard protocol transfer controller which comprises an input communication module, an output communication module, a CPU, a power supply conversion module and the like. The input end of the input communication module is connected with an intelligent public transport management and dispatching system. The output end of the output communication module is connected with a guideboard system. The input end of the CPU is connected with the input communication module, and the output end of the CPU is connected with the output communication module. The power supply conversion module is connected with a power supply on a bus and provides electricity for the input communication module, the output communication module and the CPU. The intelligent public transport management and dispatching system sends the running information of the bus to the CPU through the input communication module, the running information of the bus is converted into information of a communication protocol adopting the output communication module through the CPU, and the information is sent to the guideboard system to be displayed through the output communication module. The guideboard system can be controlled by the intelligent public transport management and dispatching system, cost is low, and time needed by mounting is short.
Description
Technical field
The present invention relates to transcoder controller in guideboard agreement that a kind of bus uses.
Background technology
Present most of bus has all been equipped with intelligent bus management scheduling system.This intelligent bus management scheduling system is system independently, and different intelligent bus management scheduling systems adopt different agreements.The control of the guideboard system (being the electronic display system of the information such as circuit designation, first and last station) on bus is originally and is controlled by guideboard controller oneself have a set of system protocol and use stable.And public transport has now been loaded onto after intelligent system, conventionally adopt this intelligent system control guideboard system, so the equipment on car all will be revised, particularly old car is transformed.In addition, communication in agreement, guideboard system is normally used is RS485 communication, and intelligent bus management scheduling system, the use RS485 communication having, some use 232 simplexs, the use CAN communication also having.If be modified as their communication format, not only to revise hardware, program also will be processed again, and the construction cycle is long, debugging trouble.Particularly old car transformation, also winding displacement again, required cost and time are inestimable.
Summary of the invention
The object of this invention is to provide transcoder controller in a kind of guideboard agreement that is applicable to realize between intelligent bus management scheduling system and guideboard system the two low cost, facilitation connecting communication.
For achieving the above object, the technical solution used in the present invention is:
Transcoder controller in a kind of guideboard agreement, is arranged between the intelligent bus management scheduling system and guideboard system on bus, comprises
Incoming traffic module, described incoming traffic module adopts communications protocol and its input end identical with described intelligent bus management scheduling system to be connected with described intelligent bus management scheduling system;
Outputting communication module, described output communication module adopts communications protocol and its output terminal identical with described guideboard system to be connected with described guideboard system;
CPU, the input end of described CPU is connected with described incoming traffic module, and the output terminal of described CPU is connected with described outputting communication module;
Power supply conversion module, described power supply conversion module is connected with the power supply on described bus, and described power supply is converted into required voltage also for described incoming traffic module, described outputting communication module, described CPU power;
Described intelligent bus management scheduling system sends the operation information of described bus to described CPU by described incoming traffic module, described CPU is converted into the operation information of described bus the information of the communication protocol that adopts described outputting communication module, and is sent to described guideboard system by described outputting communication module and shows.
In this guideboard agreement, transcoder controller also comprises
Memory module, stores the working line information of described bus and described memory module and is connected with described CPU in described memory module;
Interactive module, described interactive module is connected with described CPU;
Described power supply conversion module respectively with not the two power supply that is connected with described interactive module of described memory module;
Manually by described interactive module to described CPU input control signal, described CPU by described memory module, read the working line information of the bus of described control signal institute described in corresponding and be sent to by described outputting communication module described in guideboard system show.
Preferably, described interactive module is the function keyboard that comprises several buttons.
Preferably, described incoming traffic module comprises the sub-communication module that several adopt different communication protocol, described sub-communication module is several in RS-232 communication module, RS-485 communication module, CAN bus communication module, described intelligent bus management scheduling system with in described incoming traffic module, communicate with the sub-communication module that agreement matches and be connected; Described incoming traffic module is RS-232 communication module or RS-485 communication module.
Preferably, it also comprises the display module that is connected with described CPU and shows the operation information of described bus.
Preferably, described power supply conversion module disposes holding circuit.
Preferably, it also comprises the photoinduction module that detects the strong and weak of light and be connected with described CPU, and described CPU controls the brightness control signal of the display brightness of described guideboard system according to the induced signal output of described photoinduction module.
Preferably, it also comprises the also information indicating module of information that is connected with described CPU.
Because technique scheme is used, the present invention compared with prior art has following advantages: in guideboard agreement of the present invention, transcoder controller is by connecting respectively intelligent bus management scheduling system and guideboard system and realizing conversion according to the communication protocol of the two, thereby realize the control of intelligent bus management scheduling system to guideboard system, required a series of loaded down with trivial details work when directly connecting intelligent bus management scheduling system and guideboard system, can realize easily the communication of the two by protocol conversion, its cost is lower, required time is installed shorter, in the time going wrong, be easy to process, be particularly useful for used car improvement project.
Brief description of the drawings
Accompanying drawing 1 is the peripheral wiring schematic diagram of transcoder controller in guideboard agreement of the present invention.
Accompanying drawing 2 is the theory diagram of transcoder controller in guideboard agreement of the present invention.
Embodiment
Below in conjunction with embodiment shown in the drawings, the invention will be further described.
Embodiment mono-: shown in accompanying drawing 1.Transcoder controller in guideboard agreement between a kind of intelligent bus management scheduling system and guideboard system being arranged on bus, it connects respectively intelligent bus management scheduling system and guideboard system to realize the two communication, thereby realize the control of intelligent bus management scheduling system to guideboard system, the operation information of the bus that guideboard system is sent according to intelligent bus management scheduling system carries out the demonstration of the information such as circuit designation, first and last station.Conventionally, guideboard system comprises the multiple guideboards that are installed on respectively bus head, afterbody and Vehicular side body.
Shown in accompanying drawing 2, in this guideboard agreement, transcoder controller comprises CPU, incoming traffic module, outputting communication module, power supply conversion module, memory module, interactive module, display module, information indicating module and photoinduction module.
CPU is the core of whole device, and the mutual conversion that it can realize various communications protocols receives the information of certain communication protocol and be converted into the information of another kind of communication protocol.The above-mentioned CPU that realizes protocol conversion can select existing circuit chip to realize as required.
Incoming traffic module adopts the communications protocol identical with intelligent bus management scheduling system, and its input end is connected with intelligent bus management scheduling system, and output terminal is connected with CPU.In order to expand the scope of application of this controller, incoming traffic module can be set to the scheme that adopts the sub-communication module of different communication protocol to form by several, and its neutron communication module is several in RS-232 communication module, RS-485 communication module, CAN bus communication module.In the time connecting intelligent bus management scheduling system, can make intelligent bus management scheduling system be connected with the sub-communication module of its same communications protocols of employing and pass through this sub-communication module to transmission information in CPU.
Output communication module adopts the communications protocol identical with guideboard system, and its input end is connected with CPU, and output terminal is connected with guideboard system.This incoming traffic module is generally RS-232 communication module or RS-485 communication module.
The function that can realize by above-mentioned CPU, incoming traffic module, outputting communication module is: intelligent bus management scheduling system sends the operation information of bus to CPU by incoming traffic module, CPU is converted into the operation information of bus the information of the communication protocol that adopts outputting communication module, and is sent to guideboard system by outputting communication module and shows.
On this basis, increase memory module and interactive module and form manual control part.Concrete, memory module is connected with CPU, wherein stores the working line information of some buses, can adopt the storer of 32Mbit, and it can store thousands of public bus network information.Interactive module is also connected with CPU, it is the function keyboard that comprises several buttons, each button includes digital keys, special function keys (stop service, the brightness of manual adjustments guideboard, send SOS signal etc.), and the function of each button can define as required.The function that can realize by above-mentioned manual control part is: manually by interactive module to CPU input control signal, CPU by memory module, read control signal corresponding bus working line information and be sent to guideboard system by outputting communication module and show.If intelligent bus management scheduling system goes wrong, can realize the control to guideboard system by this manual control part, ensure the normal work of guideboard system.
In addition, display module is connected with CPU and for showing the operation information of bus.For example adopt group of four figures pipe, can be in bus running process the information such as circuit designation or duty.
Set photoinduction module is for detection of the power of light, and it is connected with CPU and sends induced signal, and CPU controls the brightness control signal of the display brightness of guideboard system according to the induced signal output of photoinduction module.
Information indicating module is also connected with CPU, and it is for information or state etc.
Above-mentioned each module, comprises CPU, incoming traffic module, outputting communication module, memory module, interactive module, display module, information indicating module, photoinduction module, powers by power supply conversion module.Power supply conversion module is connected with the power supply on bus, and power supply is converted into required voltage and offers above-mentioned each module.This power supply conversion module also disposes holding circuit, as overvoltage crowbar and current foldback circuit etc.
In without this guideboard agreement, transcoder controller in the situation that, connect intelligent bus management scheduling system and guideboard system if need, due to the communication protocol difference of the two, need the hardware and the software that improve the two just may realize, debug process is very complicated.And by installing transcoder controller in this guideboard agreement additional, it is connected with guideboard system one with intelligent bus management scheduling system respectively simply, can realize easily the converts communications of different communication protocol, the agreement of the intelligent bus management scheduling system of each family is changed into the communications protocol of self guideboard system, originally guideboard controller function retains, and in the time that intelligent bus management scheduling system goes wrong, can guideboard system hand-manipulated normally work.
Above-described embodiment is only explanation technical conceive of the present invention and feature, and its object is to allow person skilled in the art can understand content of the present invention and implement according to this, can not limit the scope of the invention with this.All equivalences that Spirit Essence is done according to the present invention change or modify, within all should being encompassed in protection scope of the present invention.
Claims (8)
1. a transcoder controller in guideboard agreement, is arranged between the intelligent bus management scheduling system and guideboard system on bus, it is characterized in that: it comprises
Incoming traffic module, described incoming traffic module adopts communications protocol and its input end identical with described intelligent bus management scheduling system to be connected with described intelligent bus management scheduling system;
Outputting communication module, described output communication module adopts communications protocol and its output terminal identical with described guideboard system to be connected with described guideboard system;
CPU, the input end of described CPU is connected with described incoming traffic module, and the output terminal of described CPU is connected with described outputting communication module;
Power supply conversion module, described power supply conversion module is connected with the power supply on described bus, and described power supply is converted into required voltage also for described incoming traffic module, described outputting communication module, described CPU power;
Described intelligent bus management scheduling system sends the operation information of described bus to described CPU by described incoming traffic module, described CPU is converted into the operation information of described bus the information of the communication protocol that adopts described outputting communication module, and is sent to described guideboard system by described outputting communication module and shows.
2. transcoder controller in guideboard agreement according to claim 1, is characterized in that: it also comprises
Memory module, stores the working line information of described bus and described memory module and is connected with described CPU in described memory module;
Interactive module, described interactive module is connected with described CPU;
Described power supply conversion module respectively with not the two power supply that is connected with described interactive module of described memory module;
Manually by described interactive module to described CPU input control signal, described CPU by described memory module, read the working line information of the bus of described control signal institute described in corresponding and be sent to by described outputting communication module described in guideboard system show.
3. transcoder controller in guideboard agreement according to claim 2, is characterized in that: described interactive module is the function keyboard that comprises several buttons.
4. transcoder controller in guideboard agreement according to claim 1, it is characterized in that: described incoming traffic module comprises the sub-communication module that several adopt different communication protocol, described sub-communication module is several in RS-232 communication module, RS-485 communication module, CAN bus communication module, described intelligent bus management scheduling system with in described incoming traffic module, communicate with the sub-communication module that agreement matches and be connected; Described incoming traffic module is RS-232 communication module or RS-485 communication module.
5. transcoder controller in guideboard agreement according to claim 1, is characterized in that: it also comprises the display module that is connected with described CPU and shows the operation information of described bus.
6. transcoder controller in guideboard agreement according to claim 1, is characterized in that: described power supply conversion module disposes holding circuit.
7. transcoder controller in guideboard agreement according to claim 1, it is characterized in that: it also comprises the photoinduction module that detects the strong and weak of light and be connected with described CPU, described CPU controls the brightness control signal of the display brightness of described guideboard system according to the induced signal output of described photoinduction module.
8. transcoder controller in guideboard agreement according to claim 1, is characterized in that: it also comprises the also information indicating module of information that is connected with described CPU.
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| CN201410217863.4A CN103984254A (en) | 2014-05-22 | 2014-05-22 | Guideboard protocol transfer controller |
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| CN201410217863.4A CN103984254A (en) | 2014-05-22 | 2014-05-22 | Guideboard protocol transfer controller |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113538955A (en) * | 2021-06-11 | 2021-10-22 | 北京中航讯科技股份有限公司 | Vehicle-mounted traffic information prompting guideboard system based on vehicle-road collaborative scene |
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Application publication date: 20140813 |