CN104216363B - A kind of survey sends out control Long-range Data Transmission system - Google Patents

A kind of survey sends out control Long-range Data Transmission system Download PDF

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Publication number
CN104216363B
CN104216363B CN201410407451.7A CN201410407451A CN104216363B CN 104216363 B CN104216363 B CN 104216363B CN 201410407451 A CN201410407451 A CN 201410407451A CN 104216363 B CN104216363 B CN 104216363B
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module
rear end
controller link
end cpu
storage area
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CN104216363A (en
Inventor
梁海波
***
司文杰
李�浩
梁婕
吕章刚
许昊
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China Academy of Launch Vehicle Technology CALT
Beijing Aerospace Automatic Control Research Institute
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China Academy of Launch Vehicle Technology CALT
Beijing Aerospace Automatic Control Research Institute
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Abstract

A kind of survey sends out control Long-range Data Transmission system, communicates for space flight launch vehicle measurement remote data.Launch vehicle measurement is divided into rear end and front end, is connected with optical fiber therebetween.Launch vehicle measurement rear end is made up of rear end PLC combination, central computer, virtual display computer and instruction input module.PLC combination in rear end realizes and surveys the telecommunication sending out control front end, receives from central computer and the switching signal of instruction input module, and is shown to virtual display computer by the status information feedback that PLC combination in rear end obtains.Launch vehicle measurement front end is front end PLC combination, on the one hand receives the control instruction from rear end PLC combination, controls measurand and completes relevant work, on the other hand, the status information that front end PLC combines is sent to rear end PLC combination.Launch vehicle measurement front and back ends PLC is combined through structure Controller Link real-time performance front and back ends data transmission.

Description

A kind of survey sends out control Long-range Data Transmission system
Technical field
The invention provides a kind of survey and send out control Long-range Data Transmission system, belong to space flight survey and send out control field.
Background technology
At present, space flight is surveyed and is sent out the widely used launch vehicle measurement based on Long-range Data Transmission in control field, should Plant launch vehicle measurement and be divided into two, front-end and back-end part according to equipment placement location.Launch vehicle measurement front end Equipment is positioned near launching tower, for passing on survey the control control that rear end sends to refer to measurand Order;Launch vehicle measurement rear end equipment is positioned between remote control test, as whole launch vehicle measurement operation, Commander and control centre.Generally, launch vehicle measurement front and back ends is respectively provided with Ethernet switch, and uses Optical fiber is connected.Launch vehicle measurement front and back ends equipment is utilized respectively respective Ethernet interface and is connected to nearby On neighbouring switch, it is achieved the data interaction of front and back end.Entitled " carrier rocket launch vehicle measurement lead to Communication network " (China Patent Publication No.: CN2891495Y) describes this network communicating system. But, on the data transmission link of the most described system, gathered the network terminal, netting twine, Many equipment such as the network switch, optical fiber, all swivel links in data transmission procedure are more.If by number Being sent to front end according to by rear end, data need to go through " the network terminal-netting twine-back-end network switch-optical fiber -front network switch-netting twine-network terminal " etc. transmission medium and equipment, the change of transmission medium each time Change the change that all can bring Data Transport Protocol, virtually add the risk of data transmission fault.For protecting The reliability of card data transmission, it has to take a series of software and hardware remedial measure to reduce data transmission wind Danger, creates the additional design cost of launch vehicle measurement the most indirectly.
Owing to existing remote launch vehicle measurement data transmission system exists transmission link complexity, equipment kind The weak points such as class is many, it is therefore necessary to make improvements, are realizing the same of data reliable and effective transmission Time, reduce additional design of hardware and software cost.
Summary of the invention
The technology of the present invention solves problem: overcome the deficiencies in the prior art, it is provided that a kind of based on Control Long-range Data Transmission system is sent out in the survey of Controller Link network, with launch vehicle measurement front and back end PLC is core, uses therebetween the mode of fiber direct connection to build Controller Link communication network Network, reduces all swivel links in data transmission procedure, it is ensured that the reliability of data transmission, reduces into simultaneously This.
The technical solution of the present invention is:
A kind of survey sends out a control Long-range Data Transmission system, including: rear end PLC combination, central computer, Virtual display computer, instruction input module, front end PLC combination, front end power supply and relay module;
PLC combination in rear end includes rear end CPU module, rear end power module, switching value module, ether Network Communication module, a Controller Link module and the 2nd Controller Link module;
Front end PLC combination include front end power module, front end CPU module, input switch amount module, Output switch amount module, the 3rd Controller Link module and the 4th Controller Link module;
Distribution signal is sent in the switching value module in rear end PLC combination by instruction input module, opens Distribution signal is sent to rear end CPU module by pass amount module, and distribution signal is stored by rear end CPU module In its data storage area, then by a Controller Link module, the 2nd Controller Link Module, the 3rd Controller Link module and the Controller of the 4th Controller Link module composition Link loop network is sent to front end CPU module, and front end CPU module will receive distribution signal and deposit Storage is in its data storage area, and described distribution signal is passed through output switch amount module by front end CPU module Being sent to relay module, relay module controls front end power supply to tested according to the distribution signal received Object is powered;
Central computer sends control signals in the switching value module in rear end PLC combination, switch Amount module sends control signals to rear end CPU module, and control signal is stored in by rear end CPU module In its data storage area, then by a Controller Link module, the 2nd Controller Link mould Block, the 3rd Controller Link module and the Controller of the 4th Controller Link module composition Link loop network is sent to front end CPU module, and front end CPU module will receive control signal and deposit Storage is in its data storage area, and described control signal is passed through output switch amount module by front end CPU module Being sent to relay module, the control signal received is sent to measurand by relay module;
Status information in measurand is sent in the input switch amount module in front end PLC combination, The status information of measurand is sent to front end CPU module, front end CPU mould by input switch amount module The status information of described measurand is stored in its data storage area by block, and front end CPU module is by institute The status information stating measurand is sent to rear end CPU by described Controller Link loop network Module, the status information of the described measurand received is stored in its data and deposits by rear end CPU module In storage area, virtual display computer is deposited by the data of ethernet communication module accesses rear end CPU module Storage area, reads the status information of measurand therein, and shows in virtual display computer;
Rear end power module be rear end CPU module, switching value module, ethernet communication module, first Controller Link module and the 2nd Controller Link module for power supply;
Front end power module be front end CPU module, input switch amount module, output switch amount module, 3rd Controller Link module and the 4th Controller Link module for power supply.
Described distribution signal address in the data storage area of rear end CPU module with distribution signal front Address in the data storage area of end CPU module is identical;Described control signal is in rear end CPU module Address in data storage area and the control signal address phase in the data storage area of front end CPU module With;Described status information address in the data storage area of rear end CPU module and status information are front Address in the data storage area of end CPU module is identical.
Controller Link module and the 3rd Controller in described Controller Link loop network Connected by remote optical fiber between Link module, the 2nd Controller Link module and the 4th Controller Connected by remote optical fiber between Link module;Oneth Controller Link module and the 2nd Controller Connected by optical patchcord between Link module, the 2nd Controller Link module and the 4th Controller Connected by optical patchcord between Link module.
The present invention compared with prior art provides the benefit that:
(1) present invention achieves the fiber direct connection of launch vehicle measurement front and back end equipment, decrease data and pass Repeatedly protocol conversion link during defeated, reduces the risk of data transmission fault;
(2) present invention holds network exchange before and after having given up needed for conventional measurement is sent out in control data transmission system Machine, reduces equipment purchasing cost;
(3) present invention uses redundancy Controller Link communication module to build remote survey and sends out control data The loop network of transmission, it is to avoid send out certain Controller Link communication module in control front and back end owing to surveying Fault or a certain bar fiber failure cause the risk of whole transmission system crash.
Accompanying drawing explanation
Fig. 1 is launch vehicle measurement schematic diagram of the present invention;
Fig. 2 is that front and back end PLC of the present invention combines subsystem schematic diagram;
Fig. 3 is that PLC address, front and back end of the present invention maps schematic diagram;
Detailed description of the invention
Below in conjunction with the accompanying drawings the detailed description of the invention of the present invention is further described in detail.
As it is shown in figure 1, the invention provides a kind of survey to send out control Long-range Data Transmission system, including: after End PLC combination, central computer, virtual display computer, instruction input module, front end PLC group Conjunction, front end power supply and relay module;
As in figure 2 it is shown, PLC combination in rear end includes rear end CPU module, rear end power module, switch Amount module, ethernet communication module, Controller Link module and a 2nd Controller Link Module;
The control core that rear end CPU module combines as rear end PLC, switch amount module, Ethernet The data of communication module, a Controller Link module and the 2nd Controller Link module are carried out Process;
Rear end power module selects CS1D-PD024, and this module is using direct current 24V as input, for rear End CPU module, switching value module, ethernet communication module, a Controller Link module and 2nd Controller Link module provides direct current 5V and direct current 12V to power;
Switching value module receives from central computer and the on-off model of instruction input module;
Ethernet communication module shows to virtual for the status information feedback that will obtain in the CPU module of rear end Show computer;
Oneth Controller Link module and the 2nd Controller Link module realize and front end PLC 3rd Controller Link module and the remote fiber count of the 4th Controller Link module in combination According to transmission, the model of four Controller Link modules is the CS1W-of OMRON company CLK52-V1, between the Controller Link communication module of front and back end, maximum communication distance can reach 2km. Utilizing Controller Link network, data can pass between each communication node on network automatically Defeated, CPU module or external communication software in combining without PLC are controlled.
Front end PLC combination include front end power module, front end CPU module, input switch amount module, Output switch amount module, the 3rd Controller Link module and the 4th Controller Link module;
Front end power module be front end CPU module, input switch amount module, output switch amount module, 3rd Controller Link module and the 4th Controller Link module for power supply;
Front end CPU module is to input switch amount module, output switch amount module, the 3rd Controller The data of Link module and the 4th Controller Link module process;
Switching input module is for receiving the status information of measurand;
The control signal received in the CPU module of switching value output module output front end and distribution signal;
3rd Controller Link module and the 4th Controller Link module realize and rear end PLC A Controller Link module and the remote fiber count of the 2nd Controller Link module in combination According to transmission.
Instruction input module receives the manual distribution signal of operator, is converted to 24V on-off model, It is sent in the switching value module in rear end PLC combination, after distribution signal is sent to by switching value module End CPU module, distribution signal is stored in its data storage area by rear end CPU module, then by the One Controller Link module, the 2nd Controller Link module, the 3rd Controller Link mould The Controller Link loop network of block and the 4th Controller Link module composition is sent to front end CPU module, front end CPU module will receive distribution signal and be stored in its data storage area, front end Described distribution signal is sent to relay module, relay by output switch amount module by CPU module Module controls front end power supply according to the distribution signal received and powers to measurand;
A Controller Link module and the 3rd in described Controller Link loop network Connected by remote optical fiber between Controller Link module, the 2nd Controller Link module and Connected by remote optical fiber between 4th Controller Link module;Oneth Controller Link mould Connected by optical patchcord between block and the 2nd Controller Link module, the 2nd Controller Link Connected by optical patchcord between module and the 4th Controller Link module.
Central computer sends control signals in the switching value module in rear end PLC combination, switch Amount module sends control signals to rear end CPU module, and control signal is stored in by rear end CPU module In its data storage area, then by a Controller Link module, the 2nd Controller Link mould Block, the 3rd Controller Link module and the Controller of the 4th Controller Link module composition Link loop network is sent to front end CPU module, and front end CPU module will receive control signal and deposit Storage is in its data storage area, and described control signal is passed through output switch amount module by front end CPU module Being sent to relay module, the control signal received is sent to measurand by relay module;
Control signal includes the letter turning the various control measurands such as the signal of telecommunication, power-off signal, reset signal Number, turning the signal of telecommunication for realizing battery powered switching in surface power supply and measurand, power-off signal is used In controlling device powers down in measurand, reset signal resets for measurand Computer.
Status information in measurand is sent in the input switch amount module in front end PLC combination, The status information of measurand is sent to front end CPU module, front end CPU mould by input switch amount module The status information of described measurand is stored in its data storage area by block, and front end CPU module is by institute The status information stating measurand is sent to rear end CPU by described Controller Link loop network Module, the status information of the described measurand received is stored in its data and deposits by rear end CPU module In storage area, virtual display computer is by the 10/100/1000M adaptive net card of self and ether Netcom Letter module CS1D-ETN21D is connected, and the data being accessed rear end CPU module by FINS instruction are deposited Storage area, reads the status information of measurand therein, and shows in virtual display computer;
In Controller Link network, the data transmission between front and back end PLC combination is by number Share according to link zone realization.The schematic diagram in data link district as shown in Figure 3, at front and back end PLC In the cpu data memory block of combination, all remain specific data storages district (the i.e. data that address is identical Link zone), the big I in memory block is configured on the premise of cpu resource allows as required.? In the respective storage compartments of front and back end CPU, send district and reception area by definition, make the transmission of rear end The reception area of correspondence front end, district, in like manner, the transmission district of the correspondence front end, reception area of rear end.Described distribution is believed Address number in the data storage area of rear end CPU module and distribution signal are at the number of front end CPU module Identical according to the address in memory block;Described control signal is in the data storage area of rear end CPU module Address is identical with control signal address in the data storage area of front end CPU module;Described state is believed Cease the address in the data storage area of rear end CPU module and the status information number in front end CPU module Identical according to the address in memory block.
As a example by distribution signal, distribution signal is stored in the CPU module of rear end 1400 sent in district In address, then, after being transferred to front end CPU by loop network, it also is stored in front end CPU mould In 1400 addresses of block reception area, the status information of measurand include battery activated good, turn electricity good, The information such as power-off is good, if the status information of measurand is stored in the transmission district of front end CPU In 1411 addresses, then, after loop network is transferred to rear end CPU, also corresponding it is stored in In 1411 addresses of the reception area of rear end CPU.So, it is achieved that based on Controller Link Holding remote data mutual before and after network, peak transfer rate is up to 2Mbps.
Front end power supply is that measurand is powered;
Relay module, for making up the deficiency of front end output switch amount module drive ability, on the one hand will be joined The signal of telecommunication is sent to front end power supply and is embodied as measurand and powers, on the other hand send control signals to by Survey object, it is achieved the control to measurand.
The unspecified part of the present invention belongs to general knowledge as well known to those skilled in the art.

Claims (3)

1. survey a control Long-range Data Transmission system for one kind, it is characterised in that including: rear end PLC combination, Central computer, virtual display computer, instruction input module, front end PLC combination, front end power supply And relay module;
PLC combination in rear end includes rear end CPU module, rear end power module, switching value module, ether Network Communication module, a Controller Link module and the 2nd Controller Link module;
Front end PLC combination include front end power module, front end CPU module, input switch amount module, Output switch amount module, the 3rd Controller Link module and the 4th Controller Link module;
Distribution signal is sent in the switching value module in rear end PLC combination by instruction input module, opens Distribution signal is sent to rear end CPU module by pass amount module, and distribution signal is stored by rear end CPU module In its data storage area, then by a Controller Link module, the 2nd Controller Link Module, the 3rd Controller Link module and the Controller of the 4th Controller Link module composition Link loop network is sent to front end CPU module, the distribution signal that front end CPU module will receive Being stored in its data storage area, described distribution signal is passed through output switch amount mould by front end CPU module Block is sent to relay module, and relay module controls front end power supply to quilt according to the distribution signal received Survey object is powered;
Central computer sends control signals in the switching value module in rear end PLC combination, switch Amount module sends control signals to rear end CPU module, and control signal is stored in by rear end CPU module In its data storage area, then by a Controller Link module, the 2nd Controller Link mould Block, the 3rd Controller Link module and the Controller of the 4th Controller Link module composition Link loop network is sent to front end CPU module, the control signal that front end CPU module will receive Being stored in its data storage area, described control signal is passed through output switch amount mould by front end CPU module Block is sent to relay module, and the control signal received is sent to measurand by relay module;
Status information in measurand is sent in the input switch amount module in front end PLC combination, The status information of measurand is sent to front end CPU module, front end CPU mould by input switch amount module The status information of described measurand is stored in its data storage area by block, and front end CPU module is by institute The status information stating measurand is sent to rear end CPU by described Controller Link loop network Module, the status information of the described measurand received is stored in its data and deposits by rear end CPU module In storage area, virtual display computer is deposited by the data of ethernet communication module accesses rear end CPU module Storage area, reads the status information of measurand therein, and shows in virtual display computer;
Rear end power module be rear end CPU module, switching value module, ethernet communication module, first Controller Link module and the 2nd Controller Link module for power supply;
Front end power module be front end CPU module, input switch amount module, output switch amount module, 3rd Controller Link module and the 4th Controller Link module for power supply.
A kind of survey the most according to claim 1 sends out control Long-range Data Transmission system, and its feature exists In: described distribution signal address in the data storage area of rear end CPU module with distribution signal front Address in the data storage area of end CPU module is identical;Described control signal is in rear end CPU module Address in data storage area and the control signal address phase in the data storage area of front end CPU module With;Described status information address in the data storage area of rear end CPU module and status information are front Address in the data storage area of end CPU module is identical.
A kind of survey the most according to claim 1 sends out control Long-range Data Transmission system, and its feature exists In: a Controller Link module and the 3rd in described Controller Link loop network Connected by remote optical fiber between Controller Link module, the 2nd Controller Link module and Connected by remote optical fiber between 4th Controller Link module;Oneth Controller Link mould Connected by optical patchcord between block and the 2nd Controller Link module, the 3rd Controller Link Connected by optical patchcord between module and the 4th Controller Link module.
CN201410407451.7A 2014-08-18 A kind of survey sends out control Long-range Data Transmission system Active CN104216363B (en)

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2891495Y (en) * 2006-04-07 2007-04-18 中国航天科技集团公司第一研究院第十二研究所 Communication network for launch vehicle measurement, launching, and control system
CN201606100U (en) * 2010-02-10 2010-10-13 合肥华欣自控设备成套厂 Ventilation variable-frequency control system used in express-highway tunnel
CN202003203U (en) * 2011-02-22 2011-10-05 上海电气自动化设计研究所有限公司 Multistage ring-net-controlled framework for sewage-processing plant
CN103822539A (en) * 2014-03-24 2014-05-28 上海航天电子通讯设备研究所 Rocket ground test control system based on redundant structure

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2891495Y (en) * 2006-04-07 2007-04-18 中国航天科技集团公司第一研究院第十二研究所 Communication network for launch vehicle measurement, launching, and control system
CN201606100U (en) * 2010-02-10 2010-10-13 合肥华欣自控设备成套厂 Ventilation variable-frequency control system used in express-highway tunnel
CN202003203U (en) * 2011-02-22 2011-10-05 上海电气自动化设计研究所有限公司 Multistage ring-net-controlled framework for sewage-processing plant
CN103822539A (en) * 2014-03-24 2014-05-28 上海航天电子通讯设备研究所 Rocket ground test control system based on redundant structure

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
OMRON PLC在梅山铁矿选厂DCS***中的应用;严小林等;《矿山机械》;20071231;第35卷(第1期);第77-79页 *
基于PLC网络的公路隧道测控***实现;赵忠杰等;《微计算机信息》;20071231;第23卷(第1-1期);第43-44,76页 *
污水厂自控***的PLC设计;余泽栋等;《现代制造.新自动化》;20071231;第54,56,58页 *

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