CN104216363A - Test-launch-control remote data transmission system - Google Patents
Test-launch-control remote data transmission system Download PDFInfo
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- CN104216363A CN104216363A CN201410407451.7A CN201410407451A CN104216363A CN 104216363 A CN104216363 A CN 104216363A CN 201410407451 A CN201410407451 A CN 201410407451A CN 104216363 A CN104216363 A CN 104216363A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
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Abstract
A test-launch-control remote data transmission system is used for remote data communication in an aerospace test-launch-control system. The test-launch-control remote data transmission system comprises a front end and a rear end connected through optical fibers. The rear end is composed of a rear-end PLC (programmable logic controller) set, a central computer, a virtual display computer and a command input module. The rear-end PLC set allows remote communication with the front end, which is a test-launch-control front end, receives switching signals from the central computer and the command input module and feeds status information acquired by the rear-end PLC set back to the virtual display computer for displaying. The front end is composed of a front-end PLC set; on one hand, the front end is used for receiving control commands from the rear-end PLC set and controlling a test object to correspondingly run, on the other hand, the front end transmits the status information of the front-end PLC set to the rear-end PLC set. The front-end and rear-end PLC sets allow front-end and rear-end data transmission through establishing a controller link network.
Description
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, a space flight survey control field extensively adopts the launch vehicle measurement based on Long-range Data Transmission, and this kind of launch vehicle measurement is 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 the steering order surveyed and send out control rear end and send to measurand; Launch vehicle measurement rear end equipment is positioned between detection far away examination, as the operation of whole launch vehicle measurement, commander and control center.Usually, launch vehicle measurement front and back ends arranges Ethernet switch respectively, and is connected with optical fiber.Launch vehicle measurement front and back ends equipment utilizes respective Ethernet interface to be connected on neighbouring switch respectively nearby, realizes front and back end data interaction.Be called in " carrier rocket launch vehicle measurement communication network " (China Patent Publication No.: CN2891495Y) in name and describe this network communicating system.But on the data transmission link of described system in the above documents, gathered many equipment such as the network terminal, netting twine, the network switch, optical fiber, all swivel links in data transmission procedure are more.If data are sent to front end by rear end, data need to go through transmission medium and equipment such as " network terminal-netting twine-back-end network switch-optical fiber-front network switch-netting twine-network terminals ", the change of transmission medium each time all can bring the change of Data Transport Protocol, virtually adds the risk of data transmission fault.For ensureing the reliability of data transmission, having to take a series of software and hardware remedial measures to reduce data transmission risk, therefore indirectly creating the additional design cost of launch vehicle measurement.
Because existing remote launch vehicle measurement data transmission system exists the weak points such as transmission link complexity, device category are many, so be necessary to make improvements, while realizing data reliable and effective transmission, reduce additional design of hardware and software cost.
Summary of the invention
Technology of the present invention is dealt with problems and is: overcome the deficiencies in the prior art, provide a kind of survey based on Controller Link network and send out control Long-range Data Transmission system, with launch vehicle measurement front and back end PLC for core, therebetween adopt the mode of fiber direct connection to build Controller Link communication network, reduce all swivel links in data transmission procedure, ensure the reliability of data transmission, reduce costs simultaneously.
Technical solution of the present invention is:
A kind of survey sends out control Long-range Data Transmission system, comprising: rear end PLC combination, central computer, virtual Display control computer, instruction input module, front end PLC combination, front end power supply and relay module;
PLC combination in rear end comprises rear end CPU module, rear end power module, switching value module, ethernet communication module, a Controller Link module and the 2nd Controller Link module;
PLC combination in front end comprises 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, distribution signal is sent to rear end CPU module by switching value module, rear end CPU module by distribution signal storage in its data storage area, again by a Controller Link module, 2nd Controller Link module, the Controller Link loop network of the 3rd Controller Link module and the 4th Controller Link module composition sends to front end CPU module, front end CPU module will receive distribution signal storage in its data storage area, described distribution signal is sent to relay module by output switch amount module by front end CPU module, relay module controls front end power supply according to the distribution signal received and powers to measurand,
Control signal is sent in the switching value module in rear end PLC combination by central computer, control signal is sent to rear end CPU module by switching value module, control signal is stored in its data storage area by rear end CPU module, again by a Controller Link module, 2nd Controller Link module, the Controller Link loop network of the 3rd Controller Link module and the 4th Controller Link module composition sends to front end CPU module, front end CPU module will receive control signal and be stored in its data storage area, described control signal is sent to relay module by output switch amount module by front end CPU 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 by input switch amount module, the status information of described measurand is stored in its data storage area by front end CPU module, the status information of described measurand is sent to rear end CPU module by described Controller Link loop network by front end CPU module, the status information of the described measurand received is stored in its data storage area by rear end CPU module, virtual Display control computer is by the data storage area of ethernet communication module accesses rear end CPU module, read the status information of measurand wherein, and show in virtual Display control computer,
Rear end power module is rear end CPU module, switching value module, ethernet communication module, a Controller Link module and the 2nd Controller Link module for power supply;
Front end power module is front end CPU module, input switch amount module, output switch amount module, the 3rd Controller Link module and the 4th Controller Link module for power supply.
The address of described distribution signal in the data storage area of rear end CPU module is identical with the address of distribution signal in the data storage area of front end CPU module; The address of described control signal in the data storage area of rear end CPU module is identical with the address of control signal in the data storage area of front end CPU module; The address of described status information in the data storage area of rear end CPU module is identical with the address of status information in the data storage area of front end CPU module.
Remote Fiber connection is passed through between a Controller Link module and the 3rd Controller Link module, by remote Fiber connection between the 2nd Controller Link module and the 4th Controller Link module in described Controller Link loop network; Connected by optical patchcord between one Controller Link module and the 2nd Controller Link module, connected by optical patchcord between the 2nd Controller Link module and the 4th Controller Link module.
The present invention's beneficial effect is compared with prior art:
(1) present invention achieves the fiber direct connection of launch vehicle measurement front and back end equipment, decrease the repeatedly protocol conversion link in data transmission procedure, reduce the risk of data transmission fault;
(2) the present invention has given up traditional survey and has sent out the front and back end network switch required in control data transmission system, reduces equipment purchasing cost;
(3) the present invention adopts redundancy Controller Link communication module to build remote survey and sends out the loop network controlling data transmission, avoids owing to surveying the risk that in a control front and back end, certain Controller Link communication module fault or a certain bar fiber failure cause whole transmission system to be collapsed.
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 front and back end of the present invention PLC address maps schematic diagram;
Embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is further described in detail.
As shown in Figure 1, the invention provides a kind of survey and send out control Long-range Data Transmission system, comprising: rear end PLC combination, central computer, virtual Display control computer, instruction input module, front end PLC combination, front end power supply and relay module;
As shown in Figure 2, PLC combination in rear end comprises rear end CPU module, rear end power module, switching value module, ethernet communication module, a Controller Link module and the 2nd Controller Link module;
The control core that rear end CPU module combines as rear end PLC, the data of switch amount module, ethernet communication module, a Controller Link module and the 2nd Controller Link module process;
Rear end power module selects CS1D-PD024, this module using direct current 24V as input, for rear end CPU module, switching value module, ethernet communication module, a Controller Link module and the 2nd Controller Link module provide direct current 5V and direct current 12V to power;
Switching value module receives the on-off model from central computer and instruction input module;
Ethernet communication module be used for will the status information feedback that obtain in the CPU module of rear end to virtual Display control computer;
The remote fibre optic data transmission of the 3rd Controller Link module and the 4th Controller Link module during one Controller Link module and the 2nd Controller Link module realize combining with front end PLC, the model of four Controller Link modules is the CS1W-CLK52-V1 of OMRON company, and between the Controller Link communication module of front and back end, maximum communication distance can reach 2km.Utilize Controller Link network, data can be transmitted between each communication node on network automatically, and do not need the CPU module in PLC combination or external communication software to control.
PLC combination in front end comprises 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 is front end CPU module, input switch amount module, output switch amount module, the 3rd Controller Link module and the 4th Controller Link module for power supply;
The data of front end CPU module to input switch amount module, output switch amount module, the 3rd Controller Link module and the 4th Controller Link module process;
Switching input module is for receiving the status information of measurand;
Switching value output module exports the control signal and distribution signal that receive in the CPU module of front end;
The remote fibre optic data transmission of a Controller Link module and the 2nd Controller Link module during 3rd Controller Link module and the 4th Controller Link module realize combining with rear end PLC.
Instruction input module receives the manual distribution signal of operating personnel, be converted to 24V on-off model, be sent in the switching value module in rear end PLC combination, distribution signal is sent to rear end CPU module by switching value module, rear end CPU module by distribution signal storage in its data storage area, again by a Controller Link module, 2nd Controller Link module, the Controller Link loop network of the 3rd Controller Link module and the 4th Controller Link module composition sends to front end CPU module, front end CPU module will receive distribution signal storage in its data storage area, described distribution signal is sent to relay module by output switch amount module by front end CPU module, relay module controls front end power supply according to the distribution signal received and powers to measurand,
Remote Fiber connection is passed through between a Controller Link module and the 3rd Controller Link module, by remote Fiber connection between the 2nd Controller Link module and the 4th Controller Link module in described Controller Link loop network; Connected by optical patchcord between one Controller Link module and the 2nd Controller Link module, connected by optical patchcord between the 2nd Controller Link module and the 4th Controller Link module.
Control signal is sent in the switching value module in rear end PLC combination by central computer, control signal is sent to rear end CPU module by switching value module, control signal is stored in its data storage area by rear end CPU module, again by a Controller Link module, 2nd Controller Link module, the Controller Link loop network of the 3rd Controller Link module and the 4th Controller Link module composition sends to front end CPU module, front end CPU module will receive control signal and be stored in its data storage area, described control signal is sent to relay module by output switch amount module by front end CPU module, the control signal received is sent to measurand by relay module,
Control signal comprises the signal turning the various control measurands such as electric signal, power-off signal, reset signal, turn electric signal for realizing battery powered switching in surface power supply and measurand, power-off signal is for controlling device powers down in measurand, and reset signal is used for measurand Computer and resets.
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 by input switch amount module, the status information of described measurand is stored in its data storage area by front end CPU module, the status information of described measurand is sent to rear end CPU module by described Controller Link loop network by front end CPU module, the status information of the described measurand received is stored in its data storage area by rear end CPU module, virtual Display control computer is connected with ethernet communication module CS1D-ETN21D by the 10/100/1000M adaptive net card of self, by the data storage area of FINS instruction access rear end CPU module, read the status information of measurand wherein, and show in virtual Display control computer,
In Controller Link network, the data transmission between front and back end PLC combines realizes sharing by data link district.The schematic diagram in data link district as shown in Figure 3, in the cpu data memory block that front and back end PLC combines, all remain identical specific data storages district, address (i.e. data link district), arrange as required under the prerequisite that the large I in memory block allows at cpu resource.In the respective storage compartments of front and back end CPU, by definition sending area and reception area, make the reception area of corresponding front end, the sending area of rear end, in like manner, the sending area of the corresponding front end, reception area of rear end.The address of described distribution signal in the data storage area of rear end CPU module is identical with the address of distribution signal in the data storage area of front end CPU module; The address of described control signal in the data storage area of rear end CPU module is identical with the address of control signal in the data storage area of front end CPU module; The address of described status information in the data storage area of rear end CPU module is identical with the address of status information in the data storage area of front end CPU module.
For distribution signal, in 1400 addresses of distribution signal storage in the CPU module of rear end in sending area, so, after being transferred to front end CPU by loop network, also be stored in 1400 addresses of CPU module reception area, front end, the status information of measurand comprise battery activated good, turn the information such as electricity is good, power-off is good, if the status information of measurand is stored in 1411 addresses in the sending area of front end CPU, so, after loop network is transferred to rear end CPU, to be also correspondingly stored in 1411 addresses of the reception area of rear end CPU.Like this, the front and back end remote data just achieved based on Controller Link network is mutual, and peak transfer rate can reach 2Mbps.
Front end power supply is that measurand is powered;
Distribution signal, for making up the deficiency of front end output switch amount module drive ability, sends to front end power supply to be embodied as measurand and powers by relay module on the one hand, on the other hand control signal is sent to measurand, realizes 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 and send out a control Long-range Data Transmission system, it is characterized in that comprising: rear end PLC combination, central computer, virtual Display control computer, instruction input module, front end PLC combination, front end power supply and relay module;
PLC combination in rear end comprises rear end CPU module, rear end power module, switching value module, ethernet communication module, a Controller Link module and the 2nd Controller Link module;
PLC combination in front end comprises 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, distribution signal is sent to rear end CPU module by switching value module, rear end CPU module by distribution signal storage in its data storage area, again by a Controller Link module, 2nd Controller Link module, the Controller Link loop network of the 3rd Controller Link module and the 4th Controller Link module composition sends to front end CPU module, front end CPU module will receive distribution signal storage in its data storage area, described distribution signal is sent to relay module by output switch amount module by front end CPU module, relay module controls front end power supply according to the distribution signal received and powers to measurand,
Control signal is sent in the switching value module in rear end PLC combination by central computer, control signal is sent to rear end CPU module by switching value module, control signal is stored in its data storage area by rear end CPU module, again by a Controller Link module, 2nd Controller Link module, the Controller Link loop network of the 3rd Controller Link module and the 4th Controller Link module composition sends to front end CPU module, front end CPU module will receive control signal and be stored in its data storage area, described control signal is sent to relay module by output switch amount module by front end CPU 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 by input switch amount module, the status information of described measurand is stored in its data storage area by front end CPU module, the status information of described measurand is sent to rear end CPU module by described Controller Link loop network by front end CPU module, the status information of the described measurand received is stored in its data storage area by rear end CPU module, virtual Display control computer is by the data storage area of ethernet communication module accesses rear end CPU module, read the status information of measurand wherein, and show in virtual Display control computer,
Rear end power module is rear end CPU module, switching value module, ethernet communication module, a Controller Link module and the 2nd Controller Link module for power supply;
Front end power module is front end CPU module, input switch amount module, output switch amount module, the 3rd Controller Link module and the 4th Controller Link module for power supply.
2. one according to claim 1 is surveyed and is sent out control Long-range Data Transmission system, it is characterized in that: the address of described distribution signal in the data storage area of rear end CPU module is identical with the address of distribution signal in the data storage area of front end CPU module; The address of described control signal in the data storage area of rear end CPU module is identical with the address of control signal in the data storage area of front end CPU module; The address of described status information in the data storage area of rear end CPU module is identical with the address of status information in the data storage area of front end CPU module.
3. one according to claim 1 is surveyed and is sent out control Long-range Data Transmission system, it is characterized in that: in described Controller Link loop network, between a Controller Link module and the 3rd Controller Link module, pass through remote Fiber connection, by remote Fiber connection between the 2nd Controller Link module and the 4th Controller Link module; Connected by optical patchcord between one Controller Link module and the 2nd Controller Link module, connected by optical patchcord between the 2nd Controller Link module and the 4th Controller Link module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410407451.7A CN104216363B (en) | 2014-08-18 | A kind of survey sends out control Long-range Data Transmission system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410407451.7A CN104216363B (en) | 2014-08-18 | A kind of survey sends out control Long-range Data Transmission system |
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| CN104216363A true CN104216363A (en) | 2014-12-17 |
| CN104216363B CN104216363B (en) | 2017-01-04 |
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| CN114023057A (en) * | 2022-01-04 | 2022-02-08 | 北京凌空天行科技有限责任公司 | Rocket terminal wireless test, launch and control method, system and storage medium |
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