CN102830640A - Input/output module for network system of orbit traffic vehicle - Google Patents
Input/output module for network system of orbit traffic vehicle Download PDFInfo
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- CN102830640A CN102830640A CN2012103475484A CN201210347548A CN102830640A CN 102830640 A CN102830640 A CN 102830640A CN 2012103475484 A CN2012103475484 A CN 2012103475484A CN 201210347548 A CN201210347548 A CN 201210347548A CN 102830640 A CN102830640 A CN 102830640A
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
- G05B19/0423—Input/output
- G05B19/0425—Safety, monitoring
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/20—Pc systems
- G05B2219/26—Pc applications
- G05B2219/2612—Data acquisition interface
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Abstract
The invention relates to an input/output module for a network system of an orbit traffic vehicle. The input/output module comprises a power supply sub-plate circuit, a main plate circuit and a main CPU (Central Processing Unit) circuit, wherein the power supply sub-plate circuit is used for supplying electric power; the main plate circuit further comprises an input/output channel circuit which is used for sampling and controlling a signal at a binary digit input/output point on the orbit traffic vehicle; the main CPU circuit is used for reading a binary digit input of the input channel circuit, diagnosing the power supply and the state of the output channel circuit and transferring to the network system of the orbit traffic vehicle; and the main CPU circuit is also used for receiving a binary digit output from the network system of the orbit traffic vehicle and transferring to the output channel circuit. The input/output module is suitable for the application of locomotives, motor train units, metros and inter-city trains.
Description
Technical field
The present invention relates to a kind of train apparatus, especially, relate to a kind of input/output module of rail traffic vehicles network system of the fixedly IO channel number that uses ON TRAINS.
Background technology
The networked control system of the train system carries out control, the monitoring and diagnosis function to train, is a kind of distributed intelligence control and diagnostic system of the network interconnection based on microprocessor.Most of TCN TCN (the Train Communication Network) bus standard that adopts of the rolling stock of the networked control system of the train system in the whole world.Networked control system of the train system with TCN bus is made up of central control unit CCU (Central Control Unit), the subsystem controller that has I/O I/O (Input/Output) equipment, gateway, the repeater of multifunctional vehicle mounted bus MVB (Multi-function Vehicle Bus) interface and have a MVB interface usually.
Research TCN networked control system of the train technology is focus in the rail locomotive vehicular field.In the prior art, TCN networked control system of the train system acquisition is directly accomplished by central control unit CCU with the input/output signal that control self does not have the components and parts such as relay, switch and handle of MVB interface controller usually.This makes the hardware of CCU become very huge and complicated, and dirigibility is not enough, relatively is difficult to expansion.
Summary of the invention
To the problems referred to above that exist in the prior art, according to an aspect of the present invention, a kind of input/output module of rail traffic vehicles network system is proposed, comprising: power supply daughter board circuit is used to provide electric power; And motherboard circuit, it further comprises input channel circuit and output channel circuit, it is used for the signals sampling and the control of the binary digit input and output point on the rail traffic vehicles; And the host CPU circuit, its binary digit input that is used to read said input channel circuit is diagnosed with power supply and the state of said output channel and be forwarded to the rail traffic vehicles network system; And receive, and be forwarded to said output channel circuit from the output of rail traffic vehicles network system binary digit.
Further; The input/output module of aforesaid rail traffic vehicles network system; Wherein said power supply daughter board circuit is small-sized insertable independent current source module, to said input channel circuit and output channel circuit electric power is provided directly, to said host CPU circuit electric power is provided indirectly.
Further, the input/output module of aforesaid rail traffic vehicles network system, wherein said host CPU circuit comprises the MVB communication module that communicates with, situ configuration can be carried out through the hardware input interface in the address of said MVB communication module.
Further, the input/output module of aforesaid rail traffic vehicles network system, motherboard circuit wherein, it further comprises power circuit, it comprises power filter and holding circuit and secondary power change-over circuit.
Further, the input/output module of aforesaid rail traffic vehicles network system, wherein said input channel circuit and output channel circuit have adopted power supply power supply grouping management and protection strategy, comprise current limliting and short-circuit protection circuit respectively.
Further, the input/output module of aforesaid rail traffic vehicles network system, wherein said motherboard circuit comprises power supply diagnosis input circuit and output diagnostic circuit.
Further, the input/output module of aforesaid rail traffic vehicles network system, wherein said host CPU circuit comprises reset circuit, and the system that makes occurs when unusual, and total system resets completely, the output of scale-of-two export orientation safety.
Further, the input/output module of aforesaid rail traffic vehicles network system, wherein the binary digit input and output point is the components and parts that self does not have the MVB interface controller.
Further; The input/output module of aforesaid rail traffic vehicles network system; Wherein said host CPU circuit reads the output data of MVB receiving port and drives scale-of-two output hardware corridor; Read hardware input, the power supply power supply diagnosis input and output passage diagnosis input of scale-of-two input channel, high speed scale-of-two input channel then, and be written in the corresponding buffer memory of MVB network interface card and send data; Wherein, power supply power supply diagnostic state is diagnosed with the equipment that the output channel diagnostic state offers the said input/output module data of reception.
Further, the input/output module of aforesaid rail traffic vehicles network system, wherein said host CPU circuit has place port time monitoring function, failure to the safe side during fault to the receiving port of said MVB module; When if the receiving port of said MVB module is not updated within a certain period of time, then trigger place port time monitoring mistake, the output of all scale-of-two output channel is 0 always and indicating fault is arranged.
Description of drawings
Below, with combining accompanying drawing that preferred implementation of the present invention is carried out further detailed explanation,
Wherein:
Fig. 1 is the structural representation of networked control system of the train according to an embodiment of the invention system;
Fig. 2 is the structural representation of input/output module according to an embodiment of the invention; And
Fig. 3 is an input/output module workflow synoptic diagram according to an embodiment of the invention.
Embodiment
Fig. 1 is the structural representation of networked control system of the train according to an embodiment of the invention system.As shown in Figure 1, networked control system of the train system 100 comprises central control unit CCU101, people-machine display 102, subsystem controller 103 and the input/output module 104 that intercoms mutually through the MVB bus.The networked control system of the train system can comprise a plurality of subsystem controllers 103.Each subsystem controller 103 also connects through the MVB bus, can mutual data transmission.
Central control unit CCU101 and input/output module 104 are carried out exchanges data through the MVB interface.Input/output module 104 is gathered data transmission such as the state, handle coded message of switch for example and is given central control unit CCU101 to be used for the control of car load.The process result of central control unit CCU101 also can be through the MVB bus transfer to input/output module 104; Scale-of-two output channel through control input/output module 104 drives outside components and parts work; For example: relay closes, or light certain pilot lamp.
Input/output module of the present invention is one and has the MVB interface, the fixing intelligent I/O equipment of input and output port number, and the equipment overall dimensions are less, compact conformation.This input/output module has the power supply output of 2 DC24V, 2 * 16/group input channel, the high speed input channel of 8 output channels and 2 * 10/group.The nominal input supply voltage of this input/output module is DC110V, and the WV of all input and output passages adopts the DC24V of module self conversion.Module is carried out grouping management to the DC24V power supply of input and output passage, has current limliting and overcurrent protection ability.
Fig. 2 is the system architecture synoptic diagram of input/output module according to an embodiment of the invention.As shown in the figure, input/output module 200 mainly is divided into two parts: power supply daughter board circuit and motherboard circuit.
According to one embodiment of present invention, power supply daughter board circuit is small-sized insertable independent current source module, corresponding to the DC/DC conversion module 201 among Fig. 1.This independent current source module links to each other with the host CPU circuit, converts the DC110V input into DC24V output, and has the rated power of 100W.
Motherboard circuit comprises host CPU circuit (comprising the MVB communication module), input channel circuit, output channel circuit and power circuit.Input channel circuit and output channel circuit are used for the signals sampling and the control of the binary digit input and output point on the rail traffic vehicles.The binary digit input that the host CPU circuit reads the input channel circuit is diagnosed with power supply and the state of said output channel and be forwarded to the rail traffic vehicles network system; Reception is exported from rail traffic vehicles network system binary digit, and is forwarded to the output channel circuit.
Particularly, the host CPU circuit can comprise micro-control unit MCU (Micro ControllerUnit) 202.What MCU202 adopted is 16 single-chip microcomputers, has the 16MHz clock, through expansion PC104 EBI.The host CPU circuit comprises the MVB communication module, like MVB network interface card 203.MCU202 realizes and being connected of MVB communication module and IO channel circuit through expansion PC104 bus.
MCU202 realizes the transmission or the reception of data through register relevant on 16 the PC104 bus write or read MVB network interface card 203.The corresponding input- buffer 204 and 205 that CPU reads the input channel circuit obtains data and the high speed scale-of-two input data that scale-of-two is imported, and sends on the network through MVB network interface card 203 again.In the output channel circuit; Utilize MVB network interface card 203 to be write the latch 206 of scale-of-two output by MCU202 from the scale-of-two output data that the MVB bus receives; The output of latch 206 drives outside equipment through driving circuit 207 output 24V voltage on corresponding passage then.
The input channel circuit of host CPU circuit comprises scale-of-two input channel of being made up of scale-of-two input-buffer 204 and scale-of-two input sampling circuit 209 and the high speed scale-of-two input channel of being made up of high speed scale-of-two input-buffer 205 and high speed scale-of-two input sampling circuit 208.The scale-of-two input channel has realized that DC24V converts the level signal that CPU can gather into.When having realized 10 DC24V incoming coded signals, gathers the high speed binary signal.The scale-of-two output channel of being made up of scale-of-two output latch 206 and driving circuit 207 has realized the output of DC24V signal.
Power circuit on this type input/output module motherboard circuit comprises two parts, and a part is the front stage circuits of DC110V input, and promptly 110V power filter and holding circuit 213 realize the protection and the filtering of preceding level power supply input; Another part is the power circuit of secondary power DC24V conversion DC5V.According to one embodiment of present invention, the power circuit of secondary power DC24V conversion DC5V can be the part of DC/DC translation circuit 201.
Input/output module of the present invention has the MVB interface and the fixing intelligent I/O equipment of input and output port number, is applicable to the rail locomotive vehicle with TCN network.The power supply output of 2 DC24V of input/output module of the present invention, 2 * 16/group input channel, the high speed input channel of 8 output channels and 2 * 10/group can realize control and handle signals sampling to the binary digit input and output point fully.
Input/output module of the present invention has adopted power supply power supply grouping management and protection strategy to IO channel.According to one embodiment of present invention, comprise current limliting and short-circuit protection circuit 211 and 207 (output driving circuit can be integrated with current limliting and short-circuit protection circuit among Fig. 2, therefore all uses Reference numeral 207 to represent) on the input and output channel circuit respectively.IO channel power supply grouping management helps the overcurrent of this grouping passage and the operate as normal that short trouble does not influence other grouping passage, helps equipment operate as normal to greatest extent.IO channel has been realized current limliting and short-circuit protection function by hardware, and after overcurrent was eliminated, circuit can recover operate as normal automatically.
According to one embodiment of present invention, motherboard circuit comprises power supply diagnosis input-buffer 210 and scale-of-two output diagnosis input-buffer 212 respectively.Thus, input/output module is transferred to the state and the scale-of-two input/output state of each grouping power supply power supply on the MVB network through the MVB output port, keeps supplying a layer central control unit and is used for diagnosis.
According to one embodiment of present invention, input/output module has place port-monitoring function to the MVB data input of output channel, and fault-safety principle.
According to one embodiment of present invention, situ configuration can be carried out through the hardware input interface in the MVB device address of input/output module, and embedded software need not be carried out the scene modification, adopts DIN rail Installation Modes, is convenient to on-the-spot installation and configuration use.
According to one embodiment of present invention, input/output module comprises reset circuit, and the system that makes occurs when unusual, and total system resets completely, the output of scale-of-two export orientation safety.
Fig. 3 is the workflow synoptic diagram of input/output module according to an embodiment of the invention.As shown in the figure, this method 300 at first will be at step 310 initialization MCU chip; Read the MVB device address that externally disposes by the scene decision in step 320, then step 330 initialization house dog, in step 340; Send the MVB reset signal, initialization MVB network interface card.Then, get into major cycle.Work below in loop body, accomplishing:
In step 350, judge whether to receive new output data, if then read the output data of MVB receiving port then in step 360; In step 370, if output data is not updated (for example MVB network channel fault etc.) within a certain period of time, then trigger place port-monitoring function, in step 380, fault-safety principle, all scale-of-two output channel output is 0 always and lights trouble light.Otherwise,, drive scale-of-two output hardware corridor in step 371.
Next, in step 390, read the hardware input of scale-of-two input channel and high speed scale-of-two input channel, and be written to the data transmission that is used for source port in the corresponding buffer memory of MVB network interface card in step 391; And step 392 house dog that resets.
According to one embodiment of present invention, set the house dog system that makes and occur when unusual, total system resets completely, and the output of scale-of-two export orientation safety.
According to one embodiment of present invention; This method comprises that further the power supply that reads the power supply grouping management is diagnosed and the diagnosis input of scale-of-two output channel; And be written to the data transmission that the corresponding buffer memory of MVB network interface card is used for source port, keep supplying the input and output of this type input/output module of central control unit diagnosis of layer.
According to one embodiment of present invention, input/output module of the present invention is through housing and structural design, reaches high low temperature in " GB/T 25119-2010 track traffic rolling stock electronic installation ", damp and hot, vibration, impact and electromagnetic compatibility requirement.
The present invention satisfies through housing and structural design:
1) have certain intensity, and be the guide rail installation of standard, reliable installation is firm, can satisfy the vibration of railway standard regulation and the requirement of impact.Easy mounting and dismounting.
2) meet the standard of electromagnetic compatibility, the abominable electromagnetic environment that can stand standard code.
3) can the path be provided for the heat radiation of power supply.
In sum, input/output module of the present invention is as an intelligent signal collection module with stationary conduit number, and compact conformation has following characteristics:
1) have the MVB interface, output and input can be configured to high real-time according to actual needs;
2) power supply divides into groups to supply power, and respectively power supply of group all has current limliting and overcurrent protection, has overcurrent disconnection and time-delay retray function;
3) power supply of respectively organizing input channel has the diagnostic feedback input, and the scale-of-two output channel also has the diagnosis input, has to be used in the fault diagnosis that CCU carries out the I/O passage;
4) be provided with place port time monitoring function, when place port time monitoring mistake takes place, the output of scale-of-two output channel failure to the safe side.
5) be provided with reset circuit, the system that makes occurs when unusual, and total system resets completely, the output of scale-of-two output channel failure to the safe side.
Input/output module of the present invention can be applied in to be had in the TCN networked control system of the train system, gathers and control the input/output signal of the components and parts such as relay, switch and handle that self do not have the MVB interface controller.Input/output module of the present invention helps the control that central control unit only is absorbed in the car load logic function; Distributing to input/output module for the great deal of information collecting work accomplishes; Give full play to the function of distributed system and MVB bus, the hardware capability of central control unit need not expand to very huge.Input/output module through application intelligent; Central control unit obtains the status information of other device through the MVB bus; Help improving the control accuracy of networked control system of the train system; Increase the diagnosis range of system autodiagnosis function, strengthen the dirigibility that the networked control system of the train system adapts to the different application demand.
The foregoing description only supplies to explain the present invention's usefulness; And be not to be limitation of the present invention; The those of ordinary skill in relevant technologies field without departing from the present invention, can also be made various variations and modification; Therefore, all technical schemes that are equal to also should belong to category disclosed by the invention.
Claims (10)
1. the input/output module of a rail traffic vehicles network system comprises:
Power supply daughter board circuit is used to provide electric power; And
Motherboard circuit, it further comprises
Input channel circuit and output channel circuit, it is used for the signals sampling and the control of the binary digit input and output point on the rail traffic vehicles; And
Host CPU circuit, its binary digit input that is used to read said input channel circuit are diagnosed with power supply and the state of said output channel and be forwarded to the rail traffic vehicles network system; And receive, and be forwarded to said output channel circuit from the output of rail traffic vehicles network system binary digit.
2. the input/output module of rail traffic vehicles network system according to claim 1; Wherein said power supply daughter board circuit is small-sized insertable independent current source module; To said input channel circuit and output channel circuit electric power is provided directly, electric power is provided indirectly to said host CPU circuit.
3. the input/output module of rail traffic vehicles network system according to claim 1, wherein said host CPU circuit comprises the MVB communication module, situ configuration can be carried out through the hardware input interface in the address of said MVB communication module.
4. the input/output module of rail traffic vehicles network system according to claim 1, wherein motherboard circuit its further comprise power circuit, it comprises power filter and holding circuit and secondary power change-over circuit.
5. the input/output module of rail traffic vehicles network system according to claim 1, wherein said input channel circuit and output channel circuit have adopted power supply power supply grouping management and protection strategy, comprise current limliting and short-circuit protection circuit respectively.
6. the input/output module of rail traffic vehicles network system according to claim 1, wherein said motherboard circuit comprise power supply diagnosis input circuit and output channel diagnosis input circuit.
7. the input/output module of rail traffic vehicles network system according to claim 3; Wherein said host CPU circuit reads the output data of said MVB receiving port and drives scale-of-two output hardware corridor; Read hardware input, the power supply power supply diagnosis input and output passage diagnosis input of scale-of-two input channel, high speed scale-of-two input channel then, and be written in the corresponding buffer memory of MVB network interface card and send data; Wherein, power supply power supply diagnostic state is diagnosed with the equipment that the output channel diagnostic state offers the said input/output module data of reception.
8. the input/output module of rail traffic vehicles network system according to claim 3, wherein said host CPU circuit comprises reset circuit, and the system that makes occurs when unusual, and total system resets completely, the output of scale-of-two export orientation safety.
9. the input/output module of rail traffic vehicles network system according to claim 3, wherein the binary digit input and output point is the components and parts that self does not have the MVB interface controller.
10. the input/output module of rail traffic vehicles network system according to claim 7, wherein said host CPU circuit has place port time monitoring function, failure to the safe side during fault to the receiving port of said MVB module; When if the receiving port of said MVB module is not updated within a certain period of time, then trigger place port time monitoring mistake, the output of all scale-of-two output channel is 0 always and indicating fault is arranged.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610703380.4A CN106292436A (en) | 2012-09-18 | 2012-09-18 | A kind of input/output module of rail traffic vehicles network system |
| CN2012103475484A CN102830640A (en) | 2012-09-18 | 2012-09-18 | Input/output module for network system of orbit traffic vehicle |
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| CN2012103475484A CN102830640A (en) | 2012-09-18 | 2012-09-18 | Input/output module for network system of orbit traffic vehicle |
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| CN201610703380.4A Division CN106292436A (en) | 2012-09-18 | 2012-09-18 | A kind of input/output module of rail traffic vehicles network system |
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| CN2012103475484A Pending CN102830640A (en) | 2012-09-18 | 2012-09-18 | Input/output module for network system of orbit traffic vehicle |
| CN201610703380.4A Pending CN106292436A (en) | 2012-09-18 | 2012-09-18 | A kind of input/output module of rail traffic vehicles network system |
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Cited By (4)
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| CN103401955A (en) * | 2013-08-06 | 2013-11-20 | 南车株洲电力机车研究所有限公司 | Device and method for configuring address of vehicle bus equipment |
| CN106200502A (en) * | 2016-08-30 | 2016-12-07 | 湖南中车时代通信信号有限公司 | A kind of analog input and output device |
| CN112278021A (en) * | 2020-10-22 | 2021-01-29 | 交控科技股份有限公司 | Train remote input and output module and processing method |
| CN115380257A (en) * | 2020-07-06 | 2022-11-22 | 三菱电机株式会社 | Input/output module, standard input/output module unit, and safety circuit unit |
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| US10871757B2 (en) | 2018-09-18 | 2020-12-22 | Texas Instruments Incorporated | Binary digital input module having comparator and isolated output |
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| CN115380257A (en) * | 2020-07-06 | 2022-11-22 | 三菱电机株式会社 | Input/output module, standard input/output module unit, and safety circuit unit |
| CN115380257B (en) * | 2020-07-06 | 2023-10-24 | 三菱电机株式会社 | Input/output module, standard input/output module unit and safety circuit unit |
| CN112278021A (en) * | 2020-10-22 | 2021-01-29 | 交控科技股份有限公司 | Train remote input and output module and processing method |
| CN112278021B (en) * | 2020-10-22 | 2022-07-19 | 交控科技股份有限公司 | Train remote input and output module and processing method |
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| CN106292436A (en) | 2017-01-04 |
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Application publication date: 20121219 |