CN110221336A - A kind of multimetering method based on PMOS dosimeter - Google Patents
A kind of multimetering method based on PMOS dosimeter Download PDFInfo
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- CN110221336A CN110221336A CN201910548534.0A CN201910548534A CN110221336A CN 110221336 A CN110221336 A CN 110221336A CN 201910548534 A CN201910548534 A CN 201910548534A CN 110221336 A CN110221336 A CN 110221336A
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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
- G01T1/02—Dosimeters
- G01T1/026—Semiconductor dose-rate meters
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Abstract
The present invention relates to a kind of multimetering methods based on PMOS dosimeter, detector involved in this method is made of the irradiation sensor of multiple spot, multi-center selection module, data acquisition module, electric current injection module, control module and PC machine, the control module input terminal is connected with PC machine, and control module output end is connected with multi-center selection module and data acquisition module；Electric current injection module is connected with multi-center selection module；Data acquisition module input terminal is connected with multiple spot irradiation sensor end, control module end, and output end is connected with PC machine；Multi-center selection module input is connected with electric current injection module, control module, and output end is connected with multiple spot irradiation sensor；This method effectively realizes online multimetering under the premise of holding PMOS dosemeter existing performance indicator.
Description
Technical field
The present invention relates to radiation environment detection technology fields, are related to a kind of multimetering method based on PMOS dosimeter.
Background technique
The radiation environment of spatial complex a variety of radiation effects caused by device, wherein tatal ionizing dose effects be because
Photon and charged particle, to lattice atoms, cause to ionize with atom by the energy transmission lost that is absorbed or slows down when physics
Based on as a result, the influence of permanent damage can be generated to the performance of device.Therefore, the ionization total-dose detection pair of space environment
It is required that the forecast of space ionization environment, the design of anti-radiation device and application etc. become.
For the ionization total-dose detection system PMOS dosimeter based on semiconductor effect, it be semiconductor technology with
The product that radiation effect theory combines.It has many advantages, such as small in size, low in energy consumption, function admirable, outstanding others radiation probe
The semiconductor devices of use is not only capable of measuring precisely, while can also characterize the radiation injury effect of the semiconductor devices of space environment
It answers.This is that other detectors are all difficult to.But used space radiation environment accumulated dose PMOS dosimeter tester is only
It can be carried out the spot measurement of integrated radiation dose on spacecraft, and spacecraft is in space long-play, orientation and inside and outside
The dose of radiation of accumulation has differences.
Therefore, it is necessary to propose a kind of effective technical solution, realize PMOS dosemeter for spacecraft inside and outside key
The Multi-point detection method of the progress in-orbit monitorings in real time such as position, crucial load.
Summary of the invention
Present invention aims at provide a kind of On-line multi-point measurement method based on PMOS dosimeter, involved in this method
Detector is by the irradiation sensor of multiple spot, multi-center selection module, data acquisition module, electric current injection module, control module
It is formed with PC machine, the control module input terminal is connected with PC machine, control module output end and multi-center selection module and data
Acquisition module is connected；Electric current injection module is connected with multi-center selection module；Data acquisition module input terminal and multiple spot irradiation pass
Sensor end, control module end are connected, and output end is connected with PC machine；Multi-center selection module input and electric current injection module, control
Molding block is connected, and output end is connected with multiple spot irradiation sensor；This method is keeping the existing performance indicator of PMOS dosemeter
Under the premise of, effectively realize online multimetering.
A kind of On-line multi-point measurement method based on PMOS dosimeter of the present invention, detector involved in this method are
By the irradiation sensor of multiple spot, multi-center selection module, data acquisition module, electric current injection module, control module and PC machine group
At the radiation probes of 8 identical impartial arrangements being equipped in the irradiation sensor (1) of the multiple spot, in multi-center selection module (2)
Equipped with relay switch, it is equipped with operational amplifier AD/DA in data acquisition module (3), is equipped with constant current in electric current injection module (5)
Source is equipped with single-chip microcontroller, memory and relay in control module (6)；Control module (6) input terminal is connected with PC machine (4), control
Module (6) output end is connected with multi-center selection module (2) and data acquisition module (3)；Data acquisition module (3) input terminal with
Multiple spot irradiation sensor (1) is connected with control module (6) end, and data acquisition module (3) output end is connected with PC machine (4)；Multi-pass
Selecting module (2) input terminal in road is connected with electric current injection module (5), control module (6), multi-center selection module (2) output end
It is connected with multiple spot irradiation sensor (1), concrete operations follow these steps to carry out:
A, the identical multiple spot irradiation sensor (1) of screening structural behaviour, to the initial parameter of multiple spot irradiation sensor (1) into
Row test acquires threshold voltage shift situation with semiconductor test system B1500；
B, multiple spot irradiation sensor (1) is placed in irradiation bomb at different location and irradiates, and multi-center selection module (2) is passed through
Cable and multiple spot irradiation sensor (1), electric current injection module (6), control module (6) are linked as selection multiple spot irradiation sensor (1)；
Electric current injection module (5), data acquisition module (4) and control module (6) are connected by coaxial cable and multiple spot irradiation sensor (1)
Acquisition signal is connect, while being connect with PC machine (4) and controlled；
C, by software in setting PC machine (4), sampling channel, sample rate, digital filtering, acquisition parameter are determined, and be allowed to
Solidification；
D, according to step c adjust parameter, after detector is connected, in PC machine (4) software be arranged acquisition channel,
Sample rate, digital filtering, acquisition parameter；
E, detector and PC machine (4) are connected and is debugged normally, the multiple spot irradiation sensor (1) of detector is placed in irradiation
It is irradiated under source, while passing through the response of software online acquisition detector in setting PC machine (4)；
F, it is executed according to step d and irradiates and acquire data, after detector, PC machine (4) connection are debugged, by multiple spot spoke
It is placed under 60Co- γ radiation parameter according to sensor (1), while running online data capture program on PC machine (4).
A kind of On-line multi-point measurement method based on PMOS dosimeter of the present invention, method includes the following steps:
Multiple spot irradiation sensor: same process is selected, the irradiation sensor of structure is placed in monitoring electronic equipment, device etc.
At important component, by online irradiation test, the absorbed dose of the monitoring significant points such as electronic equipment or device is obtained；
Build the multimetering detector based on PMOS dosimeter；
The parameter of online acquisition data is determined by the way that PC machine software is arranged, and is allowed to solidify；
It determines the sensitive parameter of irradiation sensor, obtains the current value that circuit injection module need to input, adjustment irradiation circuit
Parameter；
Multiple spot irradiation sensor is placed at the position of irradiation field Different Dose Rates and is irradiated, by PC machine software, passes through control
Circuit module processed, multi-center selection circuit module, the radiation absorber amount that online acquisition multiple spot obtains；
Acquire the relationship of multiple spot irradiation sensor irradiation response and radiation absorber amount.
Detailed description of the invention
Fig. 1 is that the present invention is based on PMOS dosimeter multiple spot in situ rest structure schematic diagrames.
Specific embodiment
In order to the objectives, technical solutions, and advantages of the present invention be aware that it is clear, below with reference to examples and drawings, to this
Invention is further elaborated.
Embodiment
A kind of On-line multi-point measurement method based on PMOS dosimeter of the present invention, detector involved in this method are
By the irradiation sensor of multiple spot, multi-center selection module, data acquisition module, electric current injection module, control module and PC machine group
At being equipped with the radiation probes of 8 identical impartial arrangements in the irradiation sensor 1 of the multiple spot, be equipped in multi-center selection module 2
Relay switch is equipped with operational amplifier AD/DA in data acquisition module 3, constant-current source, control is equipped in electric current injection module 5
Single-chip microcontroller, memory and relay are equipped in module 6；6 input terminal of control module is connected with PC machine 4,6 output end of control module with
Multi-center selection module 2 is connected with data acquisition module 3；3 input terminal of data acquisition module and multiple spot irradiation sensor 1 and control
6 end of module is connected, and 3 output end of data acquisition module is connected with PC machine 4；2 input terminal of multi-center selection module and electric current inject mould
Block 5, control module 6 are connected, and 2 output end of multi-center selection module is connected with multiple spot irradiation sensor 1, and following step is pressed in concrete operations
It is rapid to carry out:
A, the identical multiple spot irradiation sensor 1 of screening structural behaviour, surveys the initial parameter of multiple spot irradiation sensor 1
Examination acquires threshold voltage shift situation with semiconductor test system B1500；
B, multiple spot irradiation sensor 1 is placed in irradiation bomb at different location and irradiates, and multi-center selection module 2 is passed through cable
Selection multiple spot irradiation sensor 1 is linked as with multiple spot irradiation sensor 1, electric current injection module 6, control module 6；Electric current injection module
5, data acquisition module 4 and control module 6, which are connect by coaxial cable with multiple spot irradiation sensor 1, acquires signal, while and PC
The connection of machine 4 is simultaneously controlled；
C, by software in setting PC machine 4, sampling channel, sample rate, digital filtering, acquisition parameter are determined, and is allowed to solid
Change；
D, the parameter adjusted according to step c after connecting detector, acquisition channel is arranged in 4 software of PC machine, adopts
Sample rate, digital filtering, acquisition parameter；
E, detector and PC machine 4 are connected and is debugged normally, the multiple spot irradiation sensor 1 of detector is placed under irradiation bomb
Irradiation, while passing through the response of software online acquisition detector in setting PC machine 4；
F, it is executed according to step d and irradiates and acquire data, after detector, the connection of PC machine 4 are debugged, multiple spot is irradiated
Sensor 1 is placed under 60Co- γ radiation parameter, while online data capture program is run in PC machine 4.
Claims (1)
1. a kind of On-line multi-point measurement method based on PMOS dosimeter, it is characterised in that: detector involved in this method be by
Irradiation sensor, multi-center selection module, data acquisition module, electric current injection module, control module and the PC machine composition of multiple spot,
It is equipped with 8 identical radiation probes in the irradiation sensor (1) of the multiple spot, is equipped with relay in multi-center selection module (2)
It switchs, operational amplifier AD/DA is equipped in data acquisition module (3), constant-current source is equipped in electric current injection module (5), controls mould
Single-chip microcontroller, memory and relay are equipped in block (6)；Control module (6) input terminal is connected with PC machine (4), and control module (6) is defeated
Outlet is connected with multi-center selection module (2) and data acquisition module (3)；Data acquisition module (3) input terminal and multiple spot irradiate
Sensor (1) is connected with control module (6) end, and data acquisition module (3) output end is connected with PC machine (4)；Multi-center selection mould
Block (2) input terminal is connected with electric current injection module (5), control module (6), multi-center selection module (2) output end and multiple spot spoke
It is connected according to sensor (1), concrete operations follow these steps to carry out:
A, the identical multiple spot irradiation sensor (1) of screening structural behaviour, surveys the initial parameter of multiple spot irradiation sensor (1)
Examination acquires threshold voltage shift situation with semiconductor test system B1500；
B, multiple spot irradiation sensor (1) is placed in irradiation bomb at different location and irradiates, and multi-center selection module (2) is passed through cable
Selection multiple spot irradiation sensor (1) is linked as with multiple spot irradiation sensor (1), electric current injection module (6), control module (6)；Electric current
Injection module (5), data acquisition module (4) and control module (6) are connect with multiple spot irradiation sensor (1) by coaxial cable and are adopted
Collect signal, while connecting with PC machine (4) and controlled；
C, by software in setting PC machine (4), sampling channel, sample rate, digital filtering, acquisition parameter are determined, and be allowed to solidify；
D, after connecting detector, acquisition channel, sampling is arranged in the parameter adjusted according to step c in PC machine (4) software
Rate, digital filtering, acquisition parameter；
E, detector and PC machine (4) are connected and is debugged normally, the multiple spot irradiation sensor (1) of detector is placed under irradiation bomb
Irradiation, while passing through the response of software online acquisition detector in setting PC machine (4)；
F, it is executed according to step d and irradiates and acquire data, after detector, PC machine (4) connection are debugged, multiple spot irradiated and is passed
Sensor (1) is placed under 60Co- γ radiation parameter, while online data capture program is run on PC machine (4).
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| CN201910548534.0A CN110221336A (en) | 2019-06-24 | 2019-06-24 | A kind of multimetering method based on PMOS dosimeter |
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| CN201910548534.0A CN110221336A (en) | 2019-06-24 | 2019-06-24 | A kind of multimetering method based on PMOS dosimeter |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112214953A (en) * | 2020-10-20 | 2021-01-12 | 中国科学院新疆理化技术研究所 | Circuit-level total dose radiation effect simulation method |
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| US7157715B1 (en) * | 2006-01-30 | 2007-01-02 | The Aerospace Corporation | Radiation dosimeter device |
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Application publication date: 20190910 |