A long-distance data transmission system for measurement, launch and control

A data transmission system and long-distance technology, applied in the field of aerospace measurement, transmission and control, can solve the problems of complex transmission links and various types of equipment in the data transmission system, and achieve the effect of reducing multiple protocol conversion links and reducing purchase costs.

Active Publication Date: 2017-01-04
BEIJING AEROSPACE AUTOMATIC CONTROL RES INST +1
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  • Abstract
  • Description
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AI Technical Summary

Problems solved by technology

[0003] Since the existing long-distance measurement, launch and control system data transmission system has shortcomings such as complex transmission links and many types of equipment, it is necessary to improve it to reduce the cost of additional software and hardware design while achieving reliable and efficient data transmission.

Method used

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  • A long-distance data transmission system for measurement, launch and control
  • A long-distance data transmission system for measurement, launch and control
  • A long-distance data transmission system for measurement, launch and control

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Embodiment Construction

[0023] Specific embodiments of the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0024] Such as figure 1 As shown, the present invention provides a long-distance data transmission system for measuring, sending and controlling, including: a back-end PLC combination, a central computer, a virtual display computer, an instruction input module, a front-end PLC combination, a front-end power supply and a relay module;

[0025] Such as figure 2 As shown, the back-end PLC combination includes a back-end CPU module, a back-end power supply module, a switch module, an Ethernet communication module, a first Controller Link module and a second Controller Link module;

[0026] As the control core of the back-end PLC combination, the back-end CPU module processes the data of the switch module, the Ethernet communication module, the first Controller Link module and the second Controller Link module;

[0027] The back-end powe...

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Abstract

A measurement, launch and control long-distance data transmission system is used for long-distance data communication of the spaceflight measurement, launch and control system. The measurement, launch and control system is divided into back-end and front-end, and the two are connected by optical fiber. The back-end of the measurement, launch and control system is composed of a back-end PLC combination, a central computer, a virtual display computer and an instruction input module. The back-end PLC combination realizes the long-distance communication with the front-end of the measurement, launch and control, receives the switch signal from the central computer and the command input module, and feeds back the status information obtained by the back-end PLC combination to the virtual display computer for display. The front end of the measurement and control system is the front-end PLC combination. On the one hand, it receives control instructions from the back-end PLC combination to control the measured object to complete the corresponding work. On the other hand, it sends the status information of the front-end PLC combination to the back-end PLC combination. The front-end and back-end PLC combination of the measurement, launch and control system realizes front-end and back-end data transmission by building a Controller Link network.

Description

technical field [0001] The invention provides a long-distance data transmission system for measurement, launch and control, which belongs to the field of spaceflight measurement, launch and control. Background technique [0002] At present, in the field of aerospace measurement, launch and control, the measurement, launch and control system based on long-distance data transmission is widely used. This kind of measurement, launch and control system is divided into two parts, the front end and the back end, according to the location of the equipment. The front-end equipment of the measurement and control system is placed near the launch tower, which is used to convey the control instructions issued by the back-end of the measurement and control system to the object under test; the back-end equipment of the measurement and control system is placed in the remote control test room as the entire measurement and control system operations, command and control center. Usually, the f...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G05B19/418
Inventor 梁海波刘志华司文杰李浩梁婕吕章刚许昊
Owner BEIJING AEROSPACE AUTOMATIC CONTROL RES INST
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