CN105099630A - Fully-electronic computer interlocking information transmitting network system and transmitting method thereof - Google Patents

Fully-electronic computer interlocking information transmitting network system and transmitting method thereof Download PDF

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Publication number
CN105099630A
CN105099630A CN201510529773.3A CN201510529773A CN105099630A CN 105099630 A CN105099630 A CN 105099630A CN 201510529773 A CN201510529773 A CN 201510529773A CN 105099630 A CN105099630 A CN 105099630A
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CN
China
Prior art keywords
bus
computer
communication unit
optical
cpci
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.)
Pending
Application number
CN201510529773.3A
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Chinese (zh)
Inventor
王秀琴
孙遒
夏洪洋
赵金宪
陈晓洁
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Heilongjiang University of Science and Technology
Original Assignee
Heilongjiang University of Science and Technology
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Heilongjiang University of Science and Technology filed Critical Heilongjiang University of Science and Technology
Priority to CN201510529773.3A priority Critical patent/CN105099630A/en
Publication of CN105099630A publication Critical patent/CN105099630A/en
Pending legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/22—Arrangements for detecting or preventing errors in the information received using redundant apparatus to increase reliability
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
    • H04B10/03—Arrangements for fault recovery
    • H04B10/038—Arrangements for fault recovery using bypasses
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
    • H04L41/06—Management of faults, events, alarms or notifications
    • H04L41/0654—Management of faults, events, alarms or notifications using network fault recovery
    • H04L41/0668—Management of faults, events, alarms or notifications using network fault recovery by dynamic selection of recovery network elements, e.g. replacement by the most appropriate element after failure

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Optical Communication System (AREA)

Abstract

The invention provides a fully-electronic computer interlocking information transmitting network system and a transmitting method thereof. The fully-electronic computer interlocking information transmitting network system belongs to the technical field for industrial control to bring serial bus and parallel bus into full play. The fully-electronic computer interlocking information transmitting network system comprises an actuator terminal; one end of the actuator terminal is connected to an optical receiver through a pair of bus communication units CANH/RS422; the optical receiver is connected to an optical protection auto-switching system A; the optical protection auto-switching system A is connected to another optical protection auto-switching system B through a main cable and a spare cable and the optical protection auto-switching system B is connected to an optical transmitter; the optical transmitter is connected to an intelligent communication unit through a pair of bus communication units CANH/RS422; the other end of the actuator terminal is connected to a bus communication unit CPCI-CAN. The invention is applied as a fully-electronic computer interlocking information transmitting network system and a transmitting method thereof.

Description

All-electronin computer interlock information transmission network system and transmission method
technical field:
the present invention relates to a kind of all-electronin computer interlock information transmission network system and transmission method.
background technology:
industrial control field, various serial and parallel bus are applied greatly, in signal transmission, CAN and RS422 bus use widely, in order to meet the requirement of the rate of information throughput and reliability between all-electronin computer interlock system interlocking machine and execution machine, the information transmission network based on CAN and RS422 bus intelligent communication unit has been seen in design.
summary of the invention:
the object of this invention is to provide a kind of all-electronin computer interlock information transmission network system and transmission method.
above-mentioned object is realized by following technical scheme:
a kind of all-electronin computer interlock information transmission network system, its composition comprises: execution machine terminal, described execution machine terminal side is connected with optical receiver by two CANH/RS422 bus communication unit, described optical receiver and light protect automatic switchover system A to be connected, described light protection automatic switchover system leads to A to be crossed main push-towing rope and protects automatic switchover system B to be connected with standby cable with light, described light protection automatic switchover system B is connected with optical sender, described optical sender is connected with intelligent communication unit by two CANH/RS422 bus communication unit, the described execution machine terminal other end and CPCI-CAN bus communication unit.
described all-electronin computer interlock information transmission network system, described CPCI-CAN bus communication unit is connected with PLX9054 chip, described PLX9054 chip is connected with local bus unit, described local bus unit is connected with IDT7005 and FPGA with control bus respectively by address bus, described FPGA is connected with single chip computer AT MEGA128, , described IDT7005 is connected with single chip computer AT MEGA128 by address data bus, described single chip computer AT MEGA128 is connected with one group of CAN controller, described CAN controller is connected with CAN transceiver.
the transmission method of described all-electronin computer interlock information transmission network system, execution machine terminal collection site information is transferred on interlocking machine via CPCI-CAN bus communication unit, when CAN transmission is broken down, then through light protection automatic switchover system, be switched to CANH/RS422 bus communication unit for subsequent use, in information transmission net, light protection automatic switchover system realizes the power on real-time testing optical fiber and spare fibre, when monitor the optical power value in optical line lower than setting switch give a warning in limited time, prompting automatically switches to spare fibre, thus the redundancy backup realized optical transmission system circuit, protection system normal transmission is carried out, intelligent CPCI-CAN communication module simultaneously, be connected with industrial computer by cpci bus slot, complete the data exchanging function of each nodal information in industrial computer and CAN, the information of industrial computer is temporarily preserved with IDT7005 via PLX9054 chip, single chip computer AT MEGA128 controls one group of CAN controller SJA100 and is issued in each execution machine terminal of CAN by the data of industrial computer by CAN transceiver, FPGA is to pci bus interface chip PLX9054 simultaneously, logic control between dual port RAM core IDT7005 and single chip computer AT MEGA128 three and bus arbitration, when by data message by industrial computer through cpci bus interface to when issuing, FPGA can make interface chip PLX9054 obtain IDT7005 control, when data are sent downwards by industrial computer, FPGA can obtain IDT7005 control by single chip computer AT MEGA128.
beneficial effect of the present invention:
1. the present invention designs a kind of transmission method of all-electronin computer interlock information transmission network system, improves the transmission reliability between all-electronin computer interlock system interlocking machine and execution machine and efficiency of transmission, rational in infrastructure, perfect in shape and function, reliable operation.
the present invention adopts Fibre Optical Communication Technology, double-network redundant technology, self-healing network technology, ensures transmission rate and reliability.
accompanying drawing illustrates:
accompanying drawing 1 is information transmission net node intelligent structure chart of the present invention.
accompanying drawing 2 is structured flowcharts of CPCI-CAN communication module.
embodiment:
embodiment 1:
a kind of all-electronin computer interlock information transmission network system, its composition comprises: execution machine terminal, described execution machine terminal side is connected with optical receiver by two CANH/RS422 bus communication unit, described optical receiver and light protect automatic switchover system A to be connected, described light protection automatic switchover system leads to A to be crossed main push-towing rope and protects automatic switchover system B to be connected with standby cable with light, described light protection automatic switchover system B is connected with optical sender, described optical sender is connected with intelligent communication unit by two CANH/RS422 bus communication unit, the described execution machine terminal other end and CPCI-CAN bus communication unit.
embodiment 2:
all-electronin computer interlock information transmission network system according to embodiment 1, described CPCI-CAN bus communication unit is connected with PLX9054 chip, described PLX9054 chip is connected with local bus unit, described local bus unit is connected with IDT7005 and FPGA with control bus respectively by address bus, described FPGA is connected with single chip computer AT MEGA128, , described IDT7005 is connected with single chip computer AT MEGA128 by address data bus, described single chip computer AT MEGA128 is connected with one group of CAN controller, described CAN controller is connected with CAN transceiver.
embodiment 3:
the transmission method of the all-electronin computer interlock information transmission network system according to embodiment 1 or 2, execution machine terminal collection site information is transferred on interlocking machine via CPCI-CAN bus communication unit, when CAN transmission is broken down, then through light protection automatic switchover system, be switched to CANH/RS422 bus communication unit for subsequent use, in information transmission net, light protection automatic switchover system realizes the power on real-time testing optical fiber and spare fibre, when monitor the optical power value in optical line lower than setting switch give a warning in limited time, prompting automatically switches to spare fibre, thus the redundancy backup realized optical transmission system circuit, protection system normal transmission is carried out, intelligent CPCI-CAN communication module simultaneously, be connected with industrial computer by cpci bus slot, complete the data exchanging function of each nodal information in industrial computer and CAN, the information of industrial computer is temporarily preserved with IDT7005 via PLX9054 chip, single chip computer AT MEGA128 controls one group of CAN controller SJA100 and is issued in each execution machine terminal of CAN by the data of industrial computer by CAN transceiver, FPGA is to pci bus interface chip PLX9054 simultaneously, logic control between dual port RAM core IDT7005 and single chip computer AT MEGA128 three and bus arbitration, when by data message by industrial computer through cpci bus interface to when issuing, FPGA can make interface chip PLX9054 obtain IDT7005 control, when data are sent downwards by industrial computer, FPGA can obtain IDT7005 control by single chip computer AT MEGA128.

Claims (3)

1. an all-electronin computer interlock information transmission network system, its composition comprises: execution machine terminal, it is characterized in that: described execution machine terminal side is connected with optical receiver by two CANH/RS422 bus communication unit, described optical receiver and light protect automatic switchover system A to be connected, described light protection automatic switchover system leads to A to be crossed main push-towing rope and protects automatic switchover system B to be connected with standby cable with light, described light protection automatic switchover system B is connected with optical sender, described optical sender is connected with intelligent communication unit by two CANH/RS422 bus communication unit, the described execution machine terminal other end and CPCI-CAN bus communication unit.
2. all-electronin computer interlock information transmission network system according to claim 1, it is characterized in that: described CPCI-CAN bus communication unit is connected with PLX9054 chip, described PLX9054 chip is connected with local bus unit, described local bus unit is connected with IDT7005 and FPGA with control bus respectively by address bus, described FPGA is connected with single chip computer AT MEGA128, , described IDT7005 is connected with single chip computer AT MEGA128 by address data bus, described single chip computer AT MEGA128 is connected with one group of CAN controller, described CAN controller is connected with CAN transceiver.
3. the transmission method of the all-electronin computer interlock information transmission network system utilizing one of claim 1-2 described, it is characterized in that: execution machine terminal collection site information is transferred on interlocking machine via CPCI-CAN bus communication unit, when CAN transmission is broken down, then through light protection automatic switchover system, be switched to CANH/RS422 bus communication unit for subsequent use, in information transmission net, light protection automatic switchover system realizes the power on real-time testing optical fiber and spare fibre, when monitor the optical power value in optical line lower than setting switch give a warning in limited time, prompting automatically switches to spare fibre, thus the redundancy backup realized optical transmission system circuit, protection system normal transmission is carried out, intelligent CPCI-CAN communication module simultaneously, be connected with industrial computer by cpci bus slot, complete the data exchanging function of each nodal information in industrial computer and CAN, the information of industrial computer is temporarily preserved with IDT7005 via PLX9054 chip, single chip computer AT MEGA128 controls one group of CAN controller SJA100 and is issued in each execution machine terminal of CAN by the data of industrial computer by CAN transceiver, FPGA is to pci bus interface chip PLX9054 simultaneously, logic control between dual port RAM core IDT7005 and single chip computer AT MEGA128 three and bus arbitration, when by data message by industrial computer through cpci bus interface to when issuing, FPGA can make interface chip PLX9054 obtain IDT7005 control, when data are sent downwards by industrial computer, FPGA can obtain IDT7005 control by single chip computer AT MEGA128.
CN201510529773.3A 2015-08-26 2015-08-26 Fully-electronic computer interlocking information transmitting network system and transmitting method thereof Pending CN105099630A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201510529773.3A CN105099630A (en) 2015-08-26 2015-08-26 Fully-electronic computer interlocking information transmitting network system and transmitting method thereof

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Application Number Priority Date Filing Date Title
CN201510529773.3A CN105099630A (en) 2015-08-26 2015-08-26 Fully-electronic computer interlocking information transmitting network system and transmitting method thereof

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CN105099630A true CN105099630A (en) 2015-11-25

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0006310A1 (en) * 1978-06-10 1980-01-09 Westinghouse Brake And Signal Company Limited Railway control signal dynamic output interlocking systems
CN201511981U (en) * 2009-09-21 2010-06-23 上海亨钧科技有限公司 Interlocked track module circuit of all electronic computer
CN102945221A (en) * 2012-10-18 2013-02-27 上海亨钧科技有限公司 Full-electronic security computer interlocking system
CN203689506U (en) * 2013-11-29 2014-07-02 天津铁路信号有限责任公司 Full-electronic computer interlocking execution unit test system based on PXI technology
CN105159863A (en) * 2015-09-09 2015-12-16 株洲南车时代电气股份有限公司 Secure computer platform used for rail transit

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0006310A1 (en) * 1978-06-10 1980-01-09 Westinghouse Brake And Signal Company Limited Railway control signal dynamic output interlocking systems
CN201511981U (en) * 2009-09-21 2010-06-23 上海亨钧科技有限公司 Interlocked track module circuit of all electronic computer
CN102945221A (en) * 2012-10-18 2013-02-27 上海亨钧科技有限公司 Full-electronic security computer interlocking system
CN203689506U (en) * 2013-11-29 2014-07-02 天津铁路信号有限责任公司 Full-electronic computer interlocking execution unit test system based on PXI technology
CN105159863A (en) * 2015-09-09 2015-12-16 株洲南车时代电气股份有限公司 Secure computer platform used for rail transit

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
熊飞: "全电子计算机联锁系统信息传输网络的设计", 《铁路计算机应用》 *

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Application publication date: 20151125