Multichannel nuclear electronics data acquisition instrument, system and method
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A technology of nuclear electronics and data acquisition, which is applied to scientific instruments, instruments, nuclear power generation, etc., and can solve problems such as lack of data processing functions
Pending Publication Date: 2021-08-20
CHINA NUCLEAR POWER ENG CO LTD
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[0004] Chinese invention patent CN209517171U discloses a timing data acquisition card, but this acquisition card
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Embodiment 1
[0058] This embodiment provides a multi-channel nuclear electronics data acquisition instrument, such as figure 1 As shown, it includes: a signal processing module, a counting acquisition module and a control module, and the signal processing module, the counting acquisition module and the control module are connected in sequence;
[0059] The signal processing module is connected to the 64-way detectors respectively, and the signal processing module is used to receive the charge signals output by the 64-way detectors, and convert the 64-way charge signals into digital level signals and send them to the counting acquisition module;
[0060] The counting acquisition module is used to obtain the number of pulses in the 64-way digital level signals within the respective preset upper and lower threshold ranges, and send the number of 64-way pulses to the control module;
[0061] The control module is used to receive the number of 64 pulses in sequence, and send the sorted number o...
Embodiment 2
[0085] This embodiment provides a multi-channel nuclear electronics data acquisition system, such as Figure 4 and Figure 5 As shown, the system includes a mechanical system, a multi-channel detector, the multi-channel nuclear electronics data acquisition instrument of Embodiment 1, a host computer and a PLC automatic control system.
[0086] The control module of the multi-channel nuclear electronics data acquisition instrument is connected with the upper computer through the network communication module, and the control module is connected with the PLC automatic control system through the IO communication module. The corresponding detectors are connected.
[0087] The mechanical system is composed of fuel rod loading and unloading storage rack, detection material rack, loading and unloading device, transmission device, detection shielding body and so on. The loading and unloading storage rack and the detection rack are mainly used to store and detect fuel rods; the loadin...
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Abstract
The invention provides a multichannel nuclear electronics data acquisition instrument, system and method. The instrument comprises a signal processing module, a counting acquisition module and a control module which are connected in sequence, wherein the signal processing module is used for receiving charge signals output by the multi-path detector, converting the multi-path charge signals into digital level signals and sending the digital level signals to the counting acquisition module; the counting acquisition module is used for respectively acquiring the number of pulses in a preset upper threshold value range and a preset lower threshold value range in the multiple paths of digital level signals, and sending the number of the multiple paths of pulses to the control module; and the control module is used for receiving the number of the multiple paths of pulses in sequence and sending the sorted number of the multiple paths of pulses to an upper computer through the network communication module. According to the multichannel nuclear electronics data acquisition instrument, centralized processing, centralized high-precision acquisition and sequential transmission of multichannel nuclear electronics data are realized, and a nuclear electronics instrument is simplified.
Description
technical field [0001] The invention specifically relates to a multi-channel nuclear electronics data acquisition instrument and system. Background technique [0002] nuclear fuel rods 235 The detection of the uniformity of U enrichment is related to the safe operation of nuclear reactors, and the developed countries of nuclear power all over the world have spared no effort in the research of related detection technologies and the development of online detection equipment. After researching nuclear fuel rods at home and abroad 235 U-enrichment uniformity detection mainly includes passive method and active method. Due to the high cost of operation and maintenance of active method detection equipment, high-speed passive method detection technology and equipment are being vigorously developed at home and abroad. [0003] Passive detection equipment can achieve high-speed detection by increasing the number of detectors arranged in series (more than 32). The more detectors are ...
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