CN110009988A - A kind of radiographic source and detector system simulator - Google Patents
A kind of radiographic source and detector system simulator Download PDFInfo
- Publication number
- CN110009988A CN110009988A CN201910345182.9A CN201910345182A CN110009988A CN 110009988 A CN110009988 A CN 110009988A CN 201910345182 A CN201910345182 A CN 201910345182A CN 110009988 A CN110009988 A CN 110009988A
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- radioactive source
- simulator
- interchanger
- channel device
- detector system
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- 230000002285 radioactive effect Effects 0.000 claims abstract description 55
- 238000002474 experimental method Methods 0.000 claims description 7
- 238000005259 measurement Methods 0.000 claims description 4
- 238000001228 spectrum Methods 0.000 claims description 4
- 238000005070 sampling Methods 0.000 claims description 3
- 230000002123 temporal effect Effects 0.000 claims description 2
- 230000005658 nuclear physics Effects 0.000 abstract description 11
- 230000005855 radiation Effects 0.000 abstract description 6
- 238000001514 detection method Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 abstract description 3
- 241001269238 Data Species 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000005025 nuclear technology Methods 0.000 description 2
- 230000003595 spectral effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000002845 discoloration Methods 0.000 description 1
- 230000005251 gamma ray Effects 0.000 description 1
- 238000000084 gamma-ray spectrum Methods 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
Classifications
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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
- G09B25/00—Models for purposes not provided for in G09B23/00, e.g. full-sized devices for demonstration purposes
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q1/00—Details of selecting apparatus or arrangements
- H04Q1/02—Constructional details
- H04Q1/028—Subscriber network interface devices
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q1/00—Details of selecting apparatus or arrangements
- H04Q1/02—Constructional details
- H04Q1/035—Cooling of active equipments, e.g. air ducts
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Business, Economics & Management (AREA)
- Physics & Mathematics (AREA)
- Educational Administration (AREA)
- Educational Technology (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Measurement Of Radiation (AREA)
Abstract
The invention discloses a kind of radiographic source and detector system simulators, belong to X-ray detection X analogue technique field, including computer, interchanger, multifunctional digital channel device, radioactive source simulator, computer is electrically connected by cable and interchanger, interchanger by cable respectively with multifunctional digital channel device, radioactive source simulator is electrically connected, the back end outer surface of radioactive source simulator is provided with the network port, heat release hole, power switch, power connection, and the leading exterior surface of radioactive source simulator is provided with power supply indicator, prober interface, display screen, first passage, second channel.The present invention is based on the virtual radioactive source generation of the nuclear physics of experimental data and measuring systems, virtual core physical signal is generated with this, so as to avoid the dependence to true radioactive source, solves true radioactive source bring radiation and harm from the root, while also meeting the demand of nuclear physics teaching.
Description
Technical field
The present invention relates to X-ray detection X simulation field, in particular to a kind of radiographic source and detector system simulator.
Background technique
Nuclear physics is born in early 20th century, she is at most common and famous application: nuclear energy power generation and nuclear weapons technology, and with
Nuclear weapon and nuclear pollution endanger to the mankind and nature bring and usually make one " talking core discoloration ", however, nuclear physics is to the mankind
Bring income, only modern electronics and information technology could be mentioned in the same breath with it, and why nuclear physics research is by people
Attention obtain the support energetically of society, be to have extensive and important application value closely related with it, almost without one
For a nuclear physics laboratory not in the application study for being engaged in nuclear technology, some equipment are even mainly engaged in Application of Nuclear Technology work.
There are certain drawbacks in existing X-ray detection X simulator, nuclear physics nuclear engineering demand for talent is big when in use, open
If the colleges and universities of nuclear physics teaching experiment are also increasing, but the relevant teaching experiment of modern age nuclear physics be related to radioactive source or
X-ray apparatus, since country is very strict to the management of radioactive source at present, purchase radioactive source formality is cumbersome and use is very inconvenient,
It causes some colleges and universities even can not buy radioactive source, seriously affects normal modern physics experiment teaching.And radioactive source exists
Radiation will cause harm to the human body if safeguard procedures are improper during the experiment or abuse, need further
It is perfect.
Summary of the invention
The object of the invention is that providing a kind of radiographic source and detector system simulator, background skill can be effectively solved
The problems in art.
The present invention is achieved through the following technical solutions above-mentioned purpose, a kind of radiographic source and detector system simulator, packet
Computer, interchanger, multifunctional digital channel device, radioactive source simulator are included, the computer is electrical by cable and interchanger
Connection, the interchanger are electrically connected with multifunctional digital channel device, radioactive source simulator respectively by cable, the radioactive source
The back end outer surface of simulator is provided with the network port, heat release hole, power switch, power connection, and the radioactive source simulator
Leading exterior surface be provided with power supply indicator, prober interface, display screen, first passage, second channel, the multi-functional number
The leading exterior surface of word channel device is provided with the first input channel, first passage gain adjustment button, device for digit-displaying, second channel gain
Adjusting knob, the second input channel, multifunctional digital channel device are electrically connected by BNC connecting line and radioactive source simulator.
Preferably, multifunctional digital channel device and radioactive source simulator pass through the network port assign cable with exchange
Machine connection, and the back end outer surface of interchanger is provided with outlet and switch.
Preferably, the computer is by Qt/C++ program development host computer service software, by change experiment parameter into
And change radioactive source power spectrum, the experimental datas such as waveform.
Preferably, the radioactive source simulator can export two access amplitude range -5V to 0V, the μ of time range 16ns~8
Any radioactive source of s adds detector signal, wherein two paths of signals can be identical, can also be completely uncorrelated, can also realize
Regular hour and energy dependence.
Preferably, multifunctional digital channel device is simulated by the BNC connecting line in the first input channel with radioactive source
The first passage of device is attached, and realizes the transmitting of signal.
Preferably, the signal acquisition that two access amplitude range -5V arrive 0V may be implemented in multifunctional digital channel device, adopts
Sample rate 250M SPS, sampling precision 14bit, signal acquisition enter fpga chip and carry out on-line analysis, available input signal
Energy and temporal information, while can realize the coincidence measurement of two paths of signals.
Compared with prior art, the beneficial effects of the present invention are: radioactive source is arranged in host computer interface in computer of the present invention
Type generates power spectrum, the waveform of gamma ray, can change detector and radioactive source distance at PC control interface, radiation
The intensity in source generates counting rate by interchanger and numerical value is assigned to radioactive source simulator, and radioactive source simulator receives computer
Parameter generated obtains the random signal amplitude size for pressing spectral distribution, throws nonce, judges currently to generate core letter
Number, if generated, it is put into the superposition of signal queue signal queue, DA output, source signal is radiated in output, and multifunctional digital channel device connects
The collection of letters number, and signal is passed into computer and is shown, the virtual radioactive source of the nuclear physics based on experimental data generates and measurement
System generates virtual core physical signal with this, so as to avoid the dependence to true radioactive source, solves really put from the root
The radiation of source bring and harm are penetrated, while also meeting the demand of nuclear physics teaching.
Detailed description of the invention
Fig. 1 is structure composition schematic diagram of the invention.
Fig. 2 is the rearview of radioactive source simulator of the invention.
Fig. 3 is the front view of radioactive source simulator of the invention.
Fig. 4 is multifunctional digital channel device schematic diagram of the invention.
In figure: 1, computer, 2, interchanger, 3, multifunctional digital channel device, 4, radioactive source simulator, 5, the network port,
6, heat release hole, 7, power switch, 8, power connection, 9, power supply indicator, 10, display screen, 11, first passage, 12, second is logical
Road, the 13, first input channel, 14, first passage gain adjustment button, 15, device for digit-displaying, 16, second channel gain adjustment button, 17,
Second input channel, 18, prober interface.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
It please refers to shown in Fig. 1-4, a kind of radiographic source and detector system simulator, including computer 1, interchanger 2, more function
Energy digital channel device 3, radioactive source simulator 4, computer 1 are electrically connected by cable and interchanger 2, and interchanger 2 passes through cable
It is electrically connected respectively with multifunctional digital channel device 3, radioactive source simulator 4, the back end outer surface of radioactive source simulator 4 is provided with
The network port 5, heat release hole 6, power switch 7, power connection 8, and the leading exterior surface of radioactive source simulator 4 is provided with power supply and refers to
Show lamp 9, prober interface 18, display screen 10, first passage 11, second channel 12, the front end appearance of multifunctional digital channel device 3
Face is provided with the first input channel 13, first passage gain adjustment button 14, device for digit-displaying 15, second channel gain adjustment button 16,
Two input channels 17, multifunctional digital channel device 3 are electrically connected by BNC connecting line and radioactive source simulator 4.
Multifunctional digital channel device 3 assigns cable to connect with interchanger 2 with radioactive source simulator 4 by the network port,
And the back end outer surface of interchanger 2 is provided with outlet and switch；Computer 1 passes through Qt/C++ program development host computer service
Software changes radioactive source power spectrum, the experimental datas such as waveform by changing experiment parameter；Radioactive source simulator 4 can export
Two access amplitude range -5V arrive 0V, and any radioactive source of the μ of time range 16ns~8 s adds detector signal, wherein two paths of signals
Can be identical, can also be completely uncorrelated, it can also realize regular hour and energy dependence；Multifunctional digital channel device
3 are attached by BNC connecting line in the first input channel 13 and the first passage 11 of radioactive source simulator 4, realization signal
Transmitting；The signal acquisition that two access amplitude range -5V arrive 0V, sample rate 250M may be implemented in multifunctional digital channel device 3
SPS, sampling precision 14bit, signal acquisition enter fpga chip and carry out on-line analysis, and the energy of available input signal is timely
Between information, while can realize the coincidence measurement of two paths of signals.
The working principle of the invention: radiation source category is arranged in host computer interface in computer 1, generates the energy of gamma ray
Spectrum, waveform can change detector and radioactive source distance at PC control interface, and it is logical to generate counting rate for the intensity of radioactive source
It crosses interchanger 2 and numerical value is assigned to radioactive source simulator 4, radioactive source simulator 4 receives the parameter generated of computer 1, obtains
By the random signal amplitude size of spectral distribution, nonce is thrown, judges that current generation nuclear signal is put into if generated
The superposition of signal queue signal queue, DA output, output radiation source signal, multifunctional digital channel device 3 receive signal, and by signal
Computer 1 is passed to be shown.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie
In the case where without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Benefit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent elements of the claims
Variation is included within the present invention.Any reference signs in the claims should not be construed as limiting the involved claims.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiments being understood that.
Claims (6)
1. a kind of radiographic source and detector system simulator, it is characterised in that: including computer (1), interchanger (2), multi-functional
Digital channel device (3), radioactive source simulator (4), the computer (1) are electrically connected by cable and interchanger (2), the friendship
Change planes (2) by cable respectively with multifunctional digital channel device (3), radioactive source simulator (4) be electrically connected, the radioactive source mould
The back end outer surface of quasi- device (4) is provided with the network port (5), heat release hole (6), power switch (7), power connection (8), and described
The leading exterior surface of radioactive source simulator (4) is provided with power supply indicator (9), prober interface (18), display screen (10), first
Channel (11), second channel (12), the leading exterior surface of multifunctional digital channel device (3) are provided with the first input channel
(13), first passage gain adjustment button (14), device for digit-displaying (15), second channel gain adjustment button (16), the second input channel
(17), multifunctional digital channel device (3) is electrically connected by BNC connecting line and radioactive source simulator (4).
2. a kind of radiographic source according to claim 1 and detector system simulator, it is characterised in that: the multi-functional number
Word channel device (3) assigns cable to connect with interchanger (2) with radioactive source simulator (4) by the network port, and interchanger (2)
Back end outer surface be provided with outlet and switch.
3. a kind of radiographic source according to claim 1 and detector system simulator, it is characterised in that: the computer
(1) by Qt/C++ program development host computer service software, change radioactive source power spectrum, waveform etc. by changing experiment parameter
Experimental data.
4. a kind of radiographic source according to claim 1 and detector system simulator, it is characterised in that: the radioactive source mould
Quasi- device (4) can export two access amplitude range -5V to 0V, and any radioactive source of the μ of time range 16ns~8 s adds detector to believe
Number, wherein two paths of signals can be identical, can also be completely uncorrelated, can also realize regular hour and energy dependence.
5. a kind of radiographic source according to claim 1 and detector system simulator, it is characterised in that: the multi-functional number
Word channel device (3) by the first passage (11) of BNC connecting line and radioactive source simulator (4) on the first input channel (13) into
Row connection, realizes the transmitting of signal.
6. a kind of radiographic source according to claim 1 and detector system simulator, it is characterised in that: the multi-functional number
The signal acquisition that two access amplitude range -5V arrive 0V, sample rate 250M SPS, sampling precision may be implemented in word channel device (3)
14bit, signal acquisition enter fpga chip carry out on-line analysis, the energy and temporal information of available input signal, simultaneously
The coincidence measurement of two paths of signals can be achieved.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910345182.9A CN110009988A (en) | 2019-04-26 | 2019-04-26 | A kind of radiographic source and detector system simulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910345182.9A CN110009988A (en) | 2019-04-26 | 2019-04-26 | A kind of radiographic source and detector system simulator |
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| Publication Number | Publication Date |
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| CN110009988A true CN110009988A (en) | 2019-07-12 |
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| CN201910345182.9A Pending CN110009988A (en) | 2019-04-26 | 2019-04-26 | A kind of radiographic source and detector system simulator |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111914392A (en) * | 2020-06-23 | 2020-11-10 | 上海联影医疗科技有限公司 | X-ray imaging equipment and modeling method and device of X-ray image |
| CN113628521A (en) * | 2021-07-12 | 2021-11-09 | 成都理工大学 | Nuclear detection simulation device based on nanosecond light source and nuclear signal inversion technology |
| CN111914392B (en) * | 2020-06-23 | 2024-05-24 | 上海联影医疗科技股份有限公司 | X-ray imaging device and modeling method and device for X-ray image |
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Cited By (4)
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|---|---|---|---|---|
| CN111914392A (en) * | 2020-06-23 | 2020-11-10 | 上海联影医疗科技有限公司 | X-ray imaging equipment and modeling method and device of X-ray image |
| CN111914392B (en) * | 2020-06-23 | 2024-05-24 | 上海联影医疗科技股份有限公司 | X-ray imaging device and modeling method and device for X-ray image |
| CN113628521A (en) * | 2021-07-12 | 2021-11-09 | 成都理工大学 | Nuclear detection simulation device based on nanosecond light source and nuclear signal inversion technology |
| CN113628521B (en) * | 2021-07-12 | 2023-03-10 | 成都理工大学 | Nuclear detection simulation device based on nanosecond light source and nuclear signal inversion technology |
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