CN111366966A - Special equipment for teaching radiation monitoring instrument - Google Patents
Special equipment for teaching radiation monitoring instrument Download PDFInfo
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- CN111366966A CN111366966A CN201811591454.5A CN201811591454A CN111366966A CN 111366966 A CN111366966 A CN 111366966A CN 201811591454 A CN201811591454 A CN 201811591454A CN 111366966 A CN111366966 A CN 111366966A
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- 230000005855 radiation Effects 0.000 title claims abstract description 23
- 238000012544 monitoring process Methods 0.000 title claims abstract description 22
- 238000012545 processing Methods 0.000 claims abstract description 47
- 238000006243 chemical reaction Methods 0.000 claims abstract description 32
- 238000004458 analytical method Methods 0.000 claims abstract description 29
- 230000003321 amplification Effects 0.000 claims abstract description 26
- 238000003199 nucleic acid amplification method Methods 0.000 claims abstract description 26
- 238000004088 simulation Methods 0.000 claims abstract description 20
- 230000000737 periodic effect Effects 0.000 claims description 3
- 230000035945 sensitivity Effects 0.000 claims description 3
- 238000007493 shaping process Methods 0.000 claims description 3
- 238000012423 maintenance Methods 0.000 abstract description 12
- 238000012549 training Methods 0.000 abstract description 6
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01T—MEASUREMENT OF NUCLEAR OR X-RADIATION
- G01T1/00—Measuring X-radiation, gamma radiation, corpuscular radiation, or cosmic radiation
- G01T1/16—Measuring radiation intensity
- G01T1/167—Measuring radioactive content of objects, e.g. contamination
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01T—MEASUREMENT OF NUCLEAR OR X-RADIATION
- G01T7/00—Details of radiation-measuring instruments
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B23/00—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes
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- Educational Technology (AREA)
- Theoretical Computer Science (AREA)
- Monitoring And Testing Of Nuclear Reactors (AREA)
Abstract
The invention belongs to the technical field of nuclear power maintenance, and particularly relates to special equipment for teaching a radiation monitoring instrument. The device comprises a case low-voltage power supply, a data processing module, a relay, an amplification single-channel analysis module, a voltage frequency conversion and RS485 module, a high-voltage module, a zero-setting potentiometer, a wiring terminal and a grounding shielding terminal; the low-voltage power supply of the case is connected with the data processing module, the voltage frequency conversion and RS485 module, the relay, the amplification single-channel analysis module, the high-voltage module and the zero-setting potentiometer through cables; the data processing module is connected with the amplification single-channel analysis module, the voltage frequency conversion and RS485 module, the zero-setting potentiometer, the high-voltage module, the relay and the wiring terminal through cables; the voltage frequency conversion and RS485 module is connected with the amplification single-channel analysis module through a cable; the lower part of the low-voltage power supply of the case is provided with a grounding shielding terminal. The invention can be used as a standard radiation monitor meter processing box to be connected with field equipment, and can be used as fault simulation equipment for maintenance and training.
Description
Technical Field
The invention belongs to the technical field of nuclear power maintenance, and particularly relates to special equipment for teaching a radiation monitoring instrument.
Background
The radiation monitoring instrument is used for monitoring process systems, regional dosage rates, discharge flows and the like of domestic and foreign nuclear power stations. Due to the fact that technical difficulty is high, signal processing is complex, and at present, no mature product special for training and teaching of skills of maintenance personnel exists.
In order to improve the maintenance skills of instrument control maintenance personnel and improve the operation reliability of equipment, a set of special equipment for radiation monitoring instrument teaching is necessary to be developed for the training of maintenance personnel. Meanwhile, when major difficult defects caused by the equipment of the type appear on the site, the equipment can be used for analyzing the site fault reason in an off-line manner, accurately positioning a fault point, and can also be used for testing and inspecting spare parts.
Disclosure of Invention
The invention aims to provide special equipment for teaching a radiation monitoring instrument, which is used for skill training of maintenance personnel and can also be used as a special tool for maintenance work on a nuclear power site; when the field instrument is in fault, the fault position can be quickly positioned through the equipment.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows:
a special device for teaching of a radiation monitoring instrument comprises a case low-voltage power supply, a data processing module, a relay, an amplification single-channel analysis module, a voltage frequency conversion and RS485 module, a high-voltage module, a zero-setting potentiometer, a wiring terminal and a grounding shielding terminal; the low-voltage power supply of the case is connected with the data processing module, the voltage frequency conversion and RS485 module, the relay, the amplification single-channel analysis module, the high-voltage module and the zero-setting potentiometer through cables; the data processing module is connected with the amplification single-channel analysis module, the voltage frequency conversion and RS485 module, the zero-setting potentiometer, the high-voltage module, the relay and the wiring terminal through cables; the voltage frequency conversion and RS485 module is connected with the amplification single-channel analysis module through a cable; the lower part of the low-voltage power supply of the case is provided with a grounding shielding terminal.
The data processing module adopts a 32-bit ARM processor STM32F 207.
The amplifying single channel and the analysis module adopt an LM339 chip.
The voltage frequency conversion and RS485 module adopts an LM231 chip as a core and an MCU _ SCL and MCU _ SDA bus.
The high-voltage module adopts AD8401 and WDHM-C-5S100P as cores.
The voltage frequency conversion and RS485 module is characterized in that: in a normal operation mode: converting an input analog signal into a periodic TTL level rectangular pulse signal with an output frequency in direct proportion to an input voltage; the internally used voltage/frequency conversion ratio is 1KHz/V, the input analog signal is 0V-10V, and the output frequency signal is sent to the data processing module for processing; in a fault simulation operation mode: and receiving an instruction from the data processing module, simulating signal linear distortion, analog signal on-off, simulating the mismatch of the RS485 network matching resistor, simulating the disconnection fault of an RS485 circuit, and simulating the abnormity of an RS485 power supply.
The amplification single-channel analysis module comprises: in a normal operation mode: amplifying the input signal, analyzing the amplitude of the input pulse to obtain a signal generated by the measured ray, and outputting a standard rectangular pulse to a data processing module for processing after shaping; in a fault simulation operation mode: receiving an instruction from a data processing module, and simulating an over-gain fault and an under-gain fault of an external signal; the presence/absence of an external analog signal is simulated.
The high-voltage module is provided with two paths of high-voltage outputs; in a fault simulation operation mode: and receiving an instruction from the data processing module, and simulating a high-voltage loss state and a high-voltage change state.
The data processing module: in the normal mode: analyzing and processing signals from the high-voltage module, the amplification single-channel analysis module and the voltage frequency conversion and RS485 module, and sending the processed signals to the high-voltage module, the amplification single-channel analysis module, the voltage frequency conversion and RS485 module, the relay module and the wiring terminal according to functional requirements; in a fault simulation operation mode: simulating system parameter loss, simulation sensitivity parameter calling error and simulation alarm threshold calling error according to instruction requirements.
The zero-setting potentiometer gives a reference signal to external equipment and can be adjusted in a manual knob adjusting mode.
The beneficial effects obtained by the invention are as follows:
the invention can be used as a standard radiation monitor meter processing box to be connected with field equipment, and can be used as fault simulation equipment for maintenance training and can also be used as special equipment for fault positioning.
The invention can successfully simulate various types of faults on the site by sending various instructions through the special manual operator, and can automatically reset the faults through the instructions.
The invention plays a better role in on-site teaching, and the students can practice the actual ability of solving and analyzing problems under various fault environments.
The invention solves the problem that maintenance personnel lack practical operation and problem processing opportunities in the normal operation state of the power plant, and enriches the skill training means and brand new methods of the maintenance personnel.
The interface of the invention can be completely matched with a mainstream radiation monitoring instrument used in a nuclear power plant in China at present, and can be used as a special tool to perform field fault location if necessary.
Drawings
FIG. 1 is a schematic diagram of a dedicated device for teaching radiation monitoring instruments;
in the figure: 1. a low-voltage power supply of the case; 2. a data processing module; 3. a relay; 4. an amplification single-channel analysis module; 5. a voltage frequency conversion and RS485 module; 6. a high voltage module; 7. a zero-setting potentiometer; 8. a wiring terminal; 9. and a ground shield terminal.
Detailed Description
The invention is described in detail below with reference to the figures and specific embodiments.
As shown in fig. 1, the special device for teaching the radiation monitoring instrument of the present invention includes a case low-voltage power supply 1, a data processing module 2, a relay 3, an amplification single-channel analysis module 4, a voltage frequency conversion and RS485 module 5, a high-voltage module 6, a zero-setting potentiometer 7, a wiring terminal 8 and a ground shielding terminal 9; the low-voltage power supply 1 of the case is connected with the data processing module 2, the voltage frequency conversion and RS485 module 5, the relay 3, the amplification single-channel analysis module 4, the high-voltage module 6 and the zero-setting potentiometer 7 through cables; the data processing module 2 is connected with the amplification single-channel analysis module 4, the voltage frequency conversion and RS485 module 5, the zero-setting potentiometer 7, the high-voltage module 6, the relay 3 and the wiring terminal 8 through cables; the voltage frequency conversion and RS485 module 5 is connected with the amplification single-channel analysis module 4 through a cable; the lower part of the low-voltage power supply 1 of the case is provided with a grounding shielding terminal 9.
The data processing module 2 adopts a 32-bit ARM processor STM32F 207; the amplifying single channel and analysis module 4 adopts an LM339 chip as a core; the voltage frequency conversion and RS485 module 5 adopts an LM231 chip as a core and an MCU _ SCL and MCU _ SDA bus; the high-voltage module 6 takes AD8401 and WDHM-C-5S100P as cores.
The voltage frequency conversion and RS485 module 5:
in a normal operation mode: the input analog signal is converted into a periodic TTL level rectangular pulse signal with the output frequency in direct proportion to the input voltage. The internally used voltage/frequency conversion ratio is 1KHz/V, the input analog signal is 0V-10V, and the output frequency signal is sent to the data processing module 2 for processing;
in a fault simulation operation mode: and receiving an instruction from the data processing module 2, simulating signal linear distortion, analog signal on-off, analog RS485 network matching resistor mismatching, analog RS485 circuit disconnection fault and analog RS485 power supply abnormity.
The amplification single-channel analysis module 4:
in a normal operation mode: amplifying the input signal, analyzing the amplitude of the input pulse to obtain a signal generated by the measured ray, and outputting a standard rectangular pulse to the data processing module 2 for processing after shaping;
in a fault simulation operation mode: receiving an instruction from the data processing module 2, and simulating an over-gain fault and an under-gain fault of an external signal; the presence/absence of an external analog signal is simulated.
The high-voltage module 6:
in order to meet the high-voltage requirements of different detectors, two paths of high-voltage outputs are arranged;
in a fault simulation operation mode: and receiving an instruction from the data processing module 2, and simulating a high-voltage loss state and a high-voltage change state.
The data processing module 2:
in the normal mode: analyzing and processing signals from the high-voltage module 6, the amplification single-channel analysis module 4 and the voltage frequency conversion and RS485 module 5, and sending the processed signals to the high-voltage module 6, the amplification single-channel analysis module 4, the voltage frequency conversion and RS485 module 5, the relay module 3 and the wiring terminal 8 according to functional requirements;
in a fault simulation operation mode: simulating system parameter loss, simulation sensitivity parameter calling error and simulation alarm threshold calling error according to instruction requirements.
The zero-setting potentiometer 7:
a reference signal is given to the external equipment and can be adjusted in a manual knob adjusting mode.
Claims (10)
1. The utility model provides a professional equipment for radiation monitoring instrument teaching which characterized in that: the device comprises a case low-voltage power supply, a data processing module, a relay, an amplification single-channel analysis module, a voltage frequency conversion and RS485 module, a high-voltage module, a zero-setting potentiometer, a wiring terminal and a grounding shielding terminal; the low-voltage power supply of the case is connected with the data processing module, the voltage frequency conversion and RS485 module, the relay, the amplification single-channel analysis module, the high-voltage module and the zero-setting potentiometer through cables; the data processing module is connected with the amplification single-channel analysis module, the voltage frequency conversion and RS485 module, the zero-setting potentiometer, the high-voltage module, the relay and the wiring terminal through cables; the voltage frequency conversion and RS485 module is connected with the amplification single-channel analysis module through a cable; the lower part of the low-voltage power supply of the case is provided with a grounding shielding terminal.
2. The specialized device for teaching radiation monitoring instrumentation of claim 1, wherein: the data processing module adopts a 32-bit ARM processor STM32F 207.
3. The specialized device for teaching radiation monitoring instrumentation of claim 1, wherein: the amplifying single channel and the analysis module adopt an LM339 chip.
4. The specialized device for teaching radiation monitoring instrumentation of claim 1, wherein: the voltage frequency conversion and RS485 module adopts an LM231 chip as a core and an MCU _ SCL and MCU _ SDA bus.
5. The specialized device for teaching radiation monitoring instrumentation of claim 1, wherein: the high-voltage module adopts AD8401 and WDHM-C-5S100P as cores.
6. The specialized device for teaching radiation monitoring instrumentation of claim 1, wherein: the voltage frequency conversion and RS485 module is characterized in that: in a normal operation mode: converting an input analog signal into a periodic TTL level rectangular pulse signal with an output frequency in direct proportion to an input voltage; the internally used voltage/frequency conversion ratio is 1KHz/V, the input analog signal is 0V-10V, and the output frequency signal is sent to the data processing module for processing; in a fault simulation operation mode: and receiving an instruction from the data processing module, simulating signal linear distortion, analog signal on-off, simulating the mismatch of the RS485 network matching resistor, simulating the disconnection fault of an RS485 circuit, and simulating the abnormity of an RS485 power supply.
7. The specialized device for teaching radiation monitoring instrumentation of claim 1, wherein: the amplification single-channel analysis module comprises: in a normal operation mode: amplifying the input signal, analyzing the amplitude of the input pulse to obtain a signal generated by the measured ray, and outputting a standard rectangular pulse to a data processing module for processing after shaping; in a fault simulation operation mode: receiving an instruction from a data processing module, and simulating an over-gain fault and an under-gain fault of an external signal; the presence/absence of an external analog signal is simulated.
8. The specialized device for teaching radiation monitoring instrumentation of claim 1, wherein: the high-voltage module is provided with two paths of high-voltage outputs; in a fault simulation operation mode: and receiving an instruction from the data processing module, and simulating a high-voltage loss state and a high-voltage change state.
9. The specialized device for teaching radiation monitoring instrumentation of claim 1, wherein: the data processing module: in the normal mode: analyzing and processing signals from the high-voltage module, the amplification single-channel analysis module and the voltage frequency conversion and RS485 module, and sending the processed signals to the high-voltage module, the amplification single-channel analysis module, the voltage frequency conversion and RS485 module, the relay module and the wiring terminal according to functional requirements; in a fault simulation operation mode: simulating system parameter loss, simulation sensitivity parameter calling error and simulation alarm threshold calling error according to instruction requirements.
10. The specialized device for teaching radiation monitoring instrumentation of claim 1, wherein: the zero-setting potentiometer gives a reference signal to external equipment and can be adjusted in a manual knob adjusting mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811591454.5A CN111366966A (en) | 2018-12-25 | 2018-12-25 | Special equipment for teaching radiation monitoring instrument |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811591454.5A CN111366966A (en) | 2018-12-25 | 2018-12-25 | Special equipment for teaching radiation monitoring instrument |
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| Publication Number | Publication Date |
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| CN111366966A true CN111366966A (en) | 2020-07-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811591454.5A Pending CN111366966A (en) | 2018-12-25 | 2018-12-25 | Special equipment for teaching radiation monitoring instrument |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115830934A (en) * | 2022-11-15 | 2023-03-21 | 中核核电运行管理有限公司 | Training device for secondary equipment terminal wiring |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2307301Y (en) * | 1997-04-04 | 1999-02-10 | 中国人民解放军国防科技大学 | Intelligent single-channel nuclear instrument |
| CN103901051A (en) * | 2014-03-07 | 2014-07-02 | 中国科学院青海盐湖研究所 | Single-path potassium measuring instrument based on beta rays |
| KR101509619B1 (en) * | 2015-01-09 | 2015-04-07 | 삼화디에스피주식회사 | Training apparatus for motor failure simulation |
| CN105589091A (en) * | 2015-12-24 | 2016-05-18 | 陕西迪泰克新材料有限公司 | Cadmium zinc telluride (CZT) area gamma detector |
| CN106772537A (en) * | 2016-12-28 | 2017-05-31 | 中核核电运行管理有限公司 | Nuclear power exhaust treatment system radiation monitoring equipment |
| CN108646612A (en) * | 2018-03-20 | 2018-10-12 | 中国核电工程有限公司 | A kind of N-16 monitors data acquisition process platform |
| CN209525463U (en) * | 2018-12-25 | 2019-10-22 | 中核核电运行管理有限公司 | A kind of special equipment for the teaching of Radiation monitoring instrument |
-
2018
- 2018-12-25 CN CN201811591454.5A patent/CN111366966A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2307301Y (en) * | 1997-04-04 | 1999-02-10 | 中国人民解放军国防科技大学 | Intelligent single-channel nuclear instrument |
| CN103901051A (en) * | 2014-03-07 | 2014-07-02 | 中国科学院青海盐湖研究所 | Single-path potassium measuring instrument based on beta rays |
| KR101509619B1 (en) * | 2015-01-09 | 2015-04-07 | 삼화디에스피주식회사 | Training apparatus for motor failure simulation |
| CN105589091A (en) * | 2015-12-24 | 2016-05-18 | 陕西迪泰克新材料有限公司 | Cadmium zinc telluride (CZT) area gamma detector |
| CN106772537A (en) * | 2016-12-28 | 2017-05-31 | 中核核电运行管理有限公司 | Nuclear power exhaust treatment system radiation monitoring equipment |
| CN108646612A (en) * | 2018-03-20 | 2018-10-12 | 中国核电工程有限公司 | A kind of N-16 monitors data acquisition process platform |
| CN209525463U (en) * | 2018-12-25 | 2019-10-22 | 中核核电运行管理有限公司 | A kind of special equipment for the teaching of Radiation monitoring instrument |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115830934A (en) * | 2022-11-15 | 2023-03-21 | 中核核电运行管理有限公司 | Training device for secondary equipment terminal wiring |
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