Special system for testing reactor reactivity meter
A technology of reactivity meter and special system, which is applied in the direction of reactor, nuclear reactor monitoring, climate sustainability, etc., can solve the problems of inability to test the dynamic response characteristics of reactivity meter, inability to test reactivity meter, and inability to simulate dynamic working conditions.
Inactive Publication Date: 2021-08-10
核星核电科技(海盐)有限公司
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Problems solved by technology
During the R&D, demonstration and inspection of reactor reactivity instruments under laboratory conditions, an exponential pulse source or current source is usually used to generate analog signals, which can only simulate the progressive cycle conditions of the reactor, and cannot Simulating more dynamic working conditions, it is impossible to test the key dynamic response characteristics of the reactivity meter and other parameters, and it is impossible to realize a comprehensive test of the reactivity meter in the laboratory
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[0025] See attached picture. The special-purpose system described in this embodiment includes a computer with an operating display screen, a USB communication circuit, a pulse signal source module, a current signal source module, and a voltage signal source module. The computer is provided with reactive calculation software, and the computer is connected to the computer via USB. USB to serial port module, the USB to serial port module is connected to the current signal source module, pulse signal source module and voltage signal source module, and the output terminals of the current signal source module, pulse signal source module and auxiliary voltage signal source module are respectively connected to the reactivity instrument to be tested The neutron current input interface, pulse signal input interface and voltage signal input interface. The computer can also be directly connected to another computer installed with reactive computing software through the RJ45 network port. ...
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The invention discloses a special system for testing a reactor reactivity meter. The system comprises a computer with an operation display screen, the computer is used for changing the movement of a control rod or the setting of boron concentration, and calculating the neutron fluence rate level of a point reactor in real time to simulate a reactor extrapolation critical process, a conventional start-up physical test process, a boron adjustment process, a rod falling process, a dynamic rod carving process and the like, a data flow representing a neutron fluence rate level generated in the calculation process is sent to a computer in a communication cable mode, and simulated neutron pulses and current signals are generated. The system can be used for comprehensively testing various reactivity meters, can be used for assisting the research and development of novel reactivity meters, and can also be used for detecting the performance states of the reactivity meters and carrying out fault diagnosis.
Description
technical field [0001] The invention relates to a nuclear reactor reactivity measuring device, in particular to a special system for testing a reactor reactivity instrument. Background technique [0002] Reactivity meter refers to an electronic instrument connected to one or more detectors for measuring reactor reactivity and control rod calibration, etc. During the R&D, demonstration and inspection of reactor reactivity instruments under laboratory conditions, an exponential pulse source or current source is usually used to generate analog signals, which can only simulate the progressive cycle conditions of the reactor, and cannot Simulating more dynamic working conditions, it is impossible to test the key dynamic response characteristics of the reactivity meter and other parameters, and it is impossible to realize a comprehensive test of the reactivity meter in the laboratory. Contents of the invention [0003] The purpose of the present invention is to solve the above ...
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Login to View More IPC IPC(8): G21C17/104
CPCG21C17/104Y02E30/30
Inventor 金越姜郭炜王文聪张少泓王涛
Owner 核星核电科技(海盐)有限公司