Method for measuring insulation resistance of self-powered neutron detector online
A technology of self-sufficient energy detectors and neutron detectors, applied in the direction of impedance measurement, etc., can solve the problems of inability to test the insulation performance of self-sufficient energy neutron detectors, and achieve the effect of reducing the possibility of personnel being exposed to radiation
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[0025] The present invention will be described in further detail below in conjunction with the accompanying drawings and specific embodiments.
[0026] Such as figure 1 As shown, a method for online measurement of the insulation resistance of a self-powered neutron detector, the method specifically includes the following steps:
[0027] Step 1. Build a circuit for online measurement of the insulation resistance of the self-sufficient neutron detector;
[0028] In the self-sufficient neutron detector, a resistance R of MΩ level is connected in series 2 and switch K 1 The parallel structure, in which, when the self-powered detector is exposed to a certain rated neutron fluence rate level, it can be regarded as a constant current source I det , and the insulation resistance of the self-powered detector is R L , the resistance of the signal loop connected to the self-powered detector is R 1 And it is known that the external resistance R 2 Resistance is much greater than R 1...
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