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Reactor Periodic Signal Generator and Its Realization Method and Application Method

A periodic signal and reactor technology, applied in the direction of electric pulse generator circuit, etc., can solve the problems of low precision and single output signal, and achieve the effect of reduced volume, good continuity and reduced complexity

Active Publication Date: 2016-08-17
NUCLEAR POWER INSTITUTE OF CHINA
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  • Abstract
  • Description
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Problems solved by technology

[0005] The purpose of the present invention is to provide a reactor periodic signal generator and its realization method and use method, to solve the problem of single output signal and low precision in the current reactor periodic calibration instrument, and to simulate the output signal of various types of detectors Physical characteristics, and output reactor periodic signals according to usage conditions, so as to meet the needs of periodic calibration of nuclear measuring instruments

Method used

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  • Reactor Periodic Signal Generator and Its Realization Method and Application Method
  • Reactor Periodic Signal Generator and Its Realization Method and Application Method

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Embodiment

[0037] Such as figure 1 As shown, the hardware part of the reactor periodic signal generator of the present invention includes a microcontroller, and the microcontroller adopts an 80C196K chip, which has an I / O port and an A / D port, wherein the I / O port is connected with an external control button, The control buttons include 8 buttons: V0, T1, T2, setting, working, switching, polarity and reset, among which switching V0, T1 and T2 buttons, the display circuit displays the current size of these three parameters; setting, working and switching three Two buttons make the signal generator in different working states; press the polarity key in the setting state, the signal generator can output a negative cycle signal in the working state, otherwise it will output a positive cycle signal; press the reset button, the signal generator The microcontroller realizes reset, and the previously set parameter size is retained; while the A / D port is connected to the potentiometer knob, and t...

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Abstract

The invention discloses a reactor periodic signal generator and its realization method and usage method, comprising a micro-controller, the I / O port of the micro-controller is connected with a control key, and the A / D conversion port of the micro-controller is connected with a potentiometer knob. The microcontroller is connected to the external memory, the output end of the external memory is connected to the DA conversion chip, and the output port of the DA conversion chip is respectively connected to the analog switch, the V / F conversion chip, and the resistor, and simultaneously directly outputs the voltage signal; the analog switch is connected to After the oscillator has an output amplitude modulation signal, the V / F conversion chip outputs a pulse signal, and the resistor outputs a current signal. The present invention can convert current signal, pulse signal, and amplitude modulation signal, and simulate the types of different detector output signals, can meet the verification needs of nuclear measuring instrument cycle measurement of reactors at the present stage, and realize the generation of various analog signals; and these The amplitude of the signal can be adjusted to suit actual needs.

Description

technical field [0001] The invention relates to a reactor periodic signal generator, in particular to a reactor periodic signal generator and its realization method and usage method. Background technique [0002] The reactor cycle is an important parameter related to safety in the start-up and operation of the reactor. The reactor nuclear measuring instrument measures the output signal of the detector and calculates the reactor period according to the change of the signal. Nuclear gauges require verification of their accuracy in measuring reactor cycles, especially for short-period measurements. At this stage, the exponential voltage signal is used to realize the verification of the reactor cycle measurement of the nuclear measurement instrument. This is because nuclear measuring instruments usually amplify and convert various signals output by detectors into voltage signals, so this method verifies the part of nuclear measuring instruments related to reactor cycle calcula...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H03K3/02
Inventor 高志宇曾少立朱宏亮刘艳阳罗京海
Owner NUCLEAR POWER INSTITUTE OF CHINA
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