Digital safety interlocking system of magnetic confinement nuclear fusion experimental facility

Abstract

The invention relates to a magnetic confinement nuclear fusion experimental facility, in particular to a digital safety interlocking system of a magnetic confinement nuclear fusion experimental facility. A circuit of the digital safety interlocking system of the magnetic confinement nuclear fusion experimental facility disclosed by the invention comprises a microcontroller module, a programmable logic circuit module and a power supply module, wherein the microcontroller module at least comprises a Flash memory and an Ethernet interface circuit and is responsible for detecting the real-time state of each safety interlocking subsystem of the nuclear fusion experimental facility and storing fault log information of each safety interlocking subsystem as well as carrying out network communications; the programmable logic circuit module is electrically connected with the microcontroller module and each subsystem of the nuclear fusion experimental facility, at least comprises an input logic and register, a control logic circuit, an output register, a buffer register read / write control circuit, is realized by adopting a programmable logic device (PLD) and is responsible for obtaining the running states and fault signals of all the safety interlocking subsystems of the nuclear fusion experimental facility and processing the fault signals; and the power supply module is used for supplying power to the system. The digital safety interlocking system is used for the safety interlocking protection and online monitoring of the magnetic confinement nuclear fusion experimental facility.

Description

technical field [0001] The invention relates to a magnetic confinement nuclear fusion experimental device, in particular to a digital safety interlock system of the magnetic confinement nuclear fusion experimental device. Background technique [0002] The safety interlock system is an important part of the control system of large-scale magnetic confinement nuclear fusion experimental devices (such as: tokamak device, stellarator, etc.). The safety interlocking system of the magnetic confinement nuclear fusion experimental device includes a safety system and an interlocking system. A linkage mechanism for protection systems and fault handling is established between various subsystems to prevent and avoid risks to the greatest extent, and to ensure the safety of the magnetic confinement nuclear fusion experimental device. The safe operation and the smooth progress of the experiment. The main task of the safety interlock system is to coordinate the protection logic relationshi...

AI Technical Summary

Problems solved by technology

[0005] The technical solution to be solved by the present invention is to provide a digital safety interlock system for magnetic confinement nuclear fusion experimental devices based on programmable logic devices (PLD) and microcontrollers (MCU), using pure hardware control logic to achieve safety Parallel processing of interlocking functions overcomes the problem of uncertain response time of existing safety interlocking systems, and adopts defense-in-depth technology to meet the special redundancy and diversity needs of nuclear fusion experimental devices

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