Centrifugal uranium enrichment system TP board card

Abstract

The invention relates to the technical field of uranium isotope separation process control, and specifically discloses a centrifugal uranium enrichment system TP board card. When a switch receives a detection signal sent by a Russian logic cabinet, a power module is turned on, and then the power module outputs six paths of power supplies to a fault detection circuit, the fault detection circuit detects the six paths of power supplies respectively, when any path of power supply is faulty, the fault detection circuit sends a fault signal, when all the six paths of power supplies work normal, thefault detection circuit does not send the fault signal. Various functions of the TP board card provided by the invention meet the process monitoring and operation requirements, meanwhile, the TP board card is compatible with a Russian control system, and can replace the original Russian board card, thereby solving the problem that the original Russian board card cannot be repaired and purchased,effectively improving the system operation stability, and filling the operation gap of automatic control systems.

Description

technical field [0001] The invention belongs to the technical field of uranium isotope separation process control, and in particular relates to a TP board of a centrifugal uranium enrichment system. Background technique [0002] In the uranium isotope separation cascade control system, the TP board of the Russian centrifuge uranium enrichment system mainly includes two parts: data and signal transmission circuit and power supply monitoring circuit, such as figure 1 shown. [0003] The functions of the data and signal transmission circuit include three parts: host frequency and friction power data transmission, Russian control system synchronous signal transmission, and beat signal transmission. Such as figure 2 As shown, the data and signal transmission function of the Russian TP board adopts a transformer plus a shaping circuit to realize the isolation and transmission of data signals. The aging of the transformer coil and related Russian components leads to unstable out...

AI Technical Summary

Problems solved by technology

like figure 2 As shown, the data and signal transmission function of the Russian TP board adopts a transformer plus a shaping circuit to realize the isolation and transmission of data signals. The aging of the transformer coil and related Russian components leads to unstable output waveforms, resulting in data and signal disturbances. The monitoring shows The data is abnormal, because the Russian components are aging and difficult to purchase, this part cannot be repaired

[0004] like image 3 As shown, the power supply monitoring function can receive the detection signal sent by the Russian control system, monitor whether the power supply of the board card is normal through the power supply monitoring circuit, and send a fault signal under abnormal conditions, and the power supply monitoring circuit only monitors the power supply of one data and signal transmission circuit , when other power supplies are abnormal, the system will not send a fault signal, but there will be abnormal monitoring display data, resulting in unclear fault prompts and affecting the stable operation of the system

[0005] like Figure 4 As shown, the Russian TP boards are installed in the on-site logic cabinet and the control room logic cabinet of the Russian control system respectively, and the external power supply of the boards is provided by the logic cabinet where they are located. Since the Russian system has been in operation for nearly 20 years, the Russian Square TP boards have no spare parts, and Russian spare parts cannot be purchased, which affects the stable operation of the cascade

In addition, since the original components such as chips used in the Russian TP board are Russian-made components, and the components do not have detailed functional parameter descriptions, it is impossible to purchase components for replacement maintenance, which brings hidden dangers to production and operation.

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