CN110161550A - A kind of Compton scattering experimental system that actual situation combines - Google Patents
A kind of Compton scattering experimental system that actual situation combines Download PDFInfo
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- CN110161550A CN110161550A CN201910493311.9A CN201910493311A CN110161550A CN 110161550 A CN110161550 A CN 110161550A CN 201910493311 A CN201910493311 A CN 201910493311A CN 110161550 A CN110161550 A CN 110161550A
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- 230000002285 radioactive effect Effects 0.000 claims abstract description 68
- 238000002474 experimental method Methods 0.000 claims abstract description 41
- 230000005855 radiation Effects 0.000 claims abstract description 17
- 230000008054 signal transmission Effects 0.000 claims abstract description 6
- 230000005540 biological transmission Effects 0.000 claims abstract description 5
- 230000001681 protective effect Effects 0.000 claims description 7
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 4
- 229910052782 aluminium Inorganic materials 0.000 claims description 4
- 239000004411 aluminium Substances 0.000 claims description 4
- 238000006243 chemical reaction Methods 0.000 claims description 3
- 239000002245 particle Substances 0.000 claims description 3
- 238000001514 detection method Methods 0.000 claims 1
- 230000005658 nuclear physics Effects 0.000 abstract description 9
- 238000005259 measurement Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000005025 nuclear technology Methods 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000002845 discoloration Methods 0.000 description 1
- 230000005251 gamma ray Effects 0.000 description 1
- 238000001131 gamma-ray scattering spectroscopy Methods 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
Classifications
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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
-
- 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
- G01T1/20—Measuring radiation intensity with scintillation detectors
- G01T1/203—Measuring radiation intensity with scintillation detectors the detector being made of plastics
-
- 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
- G09B9/00—Simulators for teaching or training purposes
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- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- High Energy & Nuclear Physics (AREA)
- Molecular Biology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Theoretical Computer Science (AREA)
- Business, Economics & Management (AREA)
- Educational Administration (AREA)
- Educational Technology (AREA)
- Measurement Of Radiation (AREA)
Abstract
The invention discloses the Compton scattering experimental systems that a kind of actual situation combines, belong to nuclear engineering studying technological domain, including terminal, router switch cluster, digital multi-channel analyzer, radioactive source simulator and scattering experiment platform, signal transmission is carried out by BNC connecting line between the digital multi-channel analyzer and radioactive source simulator, the router switch cluster, digital multi-channel analyzer and radioactive source simulator pass through cable network interconnection, and the scattering experiment platform is carried out data transmission by USB connecting line with terminal.Signal transmission is carried out with radioactive source simulator and scattering experiment platform respectively by digital multi-channel analyzer, scattering experiment platform collects true radiation source signal by detector, radioactive source simulator provides digital multi-channel analyzer virtual radiation source signal, and the system that actual situation combines can make to impart knowledge to students more convenient and safe while meeting nuclear physics teaching experiment requirement.
Description
Technical field
The present invention relates to nuclear engineering studying technological domain, in particular to system is tested in the Compton scattering that a kind of actual situation combines
System.
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.
Why nuclear physics research is valued by people to obtain the support energetically of society, is with it with extensive and important
Application value it is closely related.Almost without a nuclear physics laboratory not in the application study for being engaged in nuclear technology.Some set
It is standby in addition mainly be engaged in Application of Nuclear Technology work.
Present nuclear physics nuclear engineering demand for talent is big, and the colleges and universities for opening up nuclear physics teaching experiment are also increasing, but close
It is related to radioactive source or x-ray apparatus for the relevant teaching experiment of nuclear physics, very due to the national management to radioactive source at present
Strictly, purchase radioactive source formality is cumbersome and use is very inconvenient, causes some colleges and universities even can not buy radioactive source, seriously affects
Normal modern physics experiment teaching.And there is radiation in radioactive source, if safeguard procedures are improper during the experiment or violate behaviour
Make regulation, will cause harm to the human body.
Summary of the invention
The object of the invention is that true radioactive source, experiment can only be used when in order to solve above-mentioned radioactive source teaching experiment
When cause at high cost to provide using unsafe problem a kind of Compton scattering experimental system that actual situation combines, tool in the presence of radiation
There is actual situation Binding experiment more convenient, physical signal carries out testing safer and at low cost advantage as virtual radioactive source.
The present invention is achieved through the following technical solutions above-mentioned purpose, a kind of Compton scattering experiment system that actual situation combines
System, including terminal, router switch cluster, digital multi-channel analyzer, radioactive source simulator and scattering experiment
Platform carries out signal transmission, the road by BNC connecting line between the digital multi-channel analyzer and radioactive source simulator
Cable network interconnection is passed through by device switch cluster, digital multi-channel analyzer and radioactive source simulator, the scattering is real
It tests platform and is carried out data transmission by USB connecting line with terminal；
The scattering experiment platform includes apparatus body, the upper surface of apparatus body installation radioactive source bucket, shielded box,
One end of scatterer, rotation scale and detector, the apparatus body is equipped with USB port, protective tube, power connection, power supply
Switch and signal output port.
Preferably, the radioactive source for experiment is placed inside the radioactive source bucket, shielded box is direct for shielding radioactive source
Irradiate detector.
Preferably, the scatterer is aluminium bar, and the gamma-rays emitted for scattering radioactive source.
Preferably, the outer wall of the detector installs sliding support, and the surface particles of apparatus body are equipped with sliding rail,
Detector is slidably connected by sliding support and sliding rail.
Preferably, the sliding rail is semicircular structure, and the center of circle is overlapped with the center of circle of rotation scale, rotating scale
Disk is for angle where determining detector.
Preferably, USB connecting line, protective tube of the USB port for connecting on grafting terminal are used for equipment
Overvoltage protection, power connection for equipment power supply, power switch control equipment switching on and shutting down, signal output port passes through BNC
Connecting line is connect with digital multi-channel analyzer, the letter for receiving to digital multi-channel analyzer transmission detector
Number.
Preferably, the radioactive source simulator arrives 0V, time range 16ns for two access amplitude range -5V of random output
Any radiation source signal of~8 μ s.
Preferably, digital multi-channel analyzer is for receiving radiation source signal, by analog-to-digital conversion by radioactive source
Signal is shown on the display screen of terminal with intuitionistic form, the incoming end of digital multi-channel analyzer set there are two letter
Number input port, is separately connected radioactive source simulator and scattering experiment platform.
Compared with prior art, the beneficial effects of the present invention are: by digital multi-channel analyzer respectively with radioactive source
Simulator and scattering experiment platform carry out signal transmission, and scattering experiment platform is equipped with radioactive source bucket, and radioactive source bucket provides true
Radioactive source, detector collect true radiation source signal and are sent to digital multi-channel analyzer, and radioactive source simulator provides number
The virtual radiation source signal of word multichannel analyzer, therefore radioactive source simulator can be passed through in the case where no radioactive source
It simulates virtual radioactive source to be tested, influences the progress of experiment by objective factor, making for radioactive source can also be reduced
With saving experimental cost, virtual radioactive source will not be improper because of safeguard procedures when being tested or abuse is led
Cause endangers the generation of the case where body, and the system that actual situation combines can make teaching more while meeting nuclear physics teaching experiment requirement
Add convenient and safety.
Detailed description of the invention
Fig. 1 is total system attachment structure schematic diagram of the invention.
Fig. 2 is scattering experiment platform top view of the invention.
Fig. 3 is scattering experiment platform side view of the invention.
In figure: 1, terminal, 2, router switch cluster, 3, digitlization multichannel analyzer, 4, radioactive source simulation
Device, 5, scattering experiment platform, 6, apparatus body, 7, radioactive source bucket, 8, shielded box, 9, scatterer, 10, rotation scale, 11, spy
Survey device, 12, USB port, 13, protective tube, 14, power connection, 15, power switch, 16, signal output port, 17, sliding rail
Road, 18, sliding support.
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. 1-3, a kind of Compton scattering experimental system that actual situation combines, including terminal 1, routing
Device switch cluster 2, digital multi-channel analyzer 3, radioactive source simulator 4 and scattering experiment platform 5, digital multi-channel point
Signal transmission is carried out by BNC connecting line between parser 3 and radioactive source simulator 4, router switch cluster 2, digitlization are more
By cable network interconnection, scattering experiment platform 5 is by USB connecting line and calculates for channel analyser 3 and radioactive source simulator 4
Machine terminal 1 carries out data transmission；Network environment is built by router switch cluster 2, realizes the network between each equipment
And signal interconnection, terminal 1 are used to show that the image of experiment, scattering experiment platform 5 include apparatus body 6, apparatus body 6
Upper surface installation radioactive source bucket 7, shielded box 8, scatterer 9, rotation scale 10 and detector 11, one end of apparatus body 6
Equipped with USB port 12, protective tube 13, power connection 14, power switch 15 and signal output port 16, put inside radioactive source bucket 7
The radioactive source for experiment is set, shielded box 8 is two small at the top of shielded box 8 for shielding radioactive source direct irradiation detector 11
Hole, which is used to fill out, to be filled lead sand and can reduce experimental noise, radioactive source bucket 7 when carrying out the experiment of true radioactive source inside need to be added and put
Penetrate source, when carrying out the experiment of virtual radioactive source inside be it is empty, scatterer 9 is aluminium bar, and the γ for scattering radioactive source transmitting is penetrated
Line, scatterer 9 can also select plastic scintillator detector, select aluminium bar to be because absorbing the gamma-rays coefficient of radioactive source radiation
Small, the outer wall of detector 11 installs sliding support 18, and the surface particles of apparatus body 6 are equipped with sliding rail 17, detector 11
It is slidably connected by sliding support 18 and sliding rail 17, sliding rail 17 is semicircular structure, and the center of circle and rotation scale
10 center of circle is overlapped, and for determining 11 place angle of detector, detector 11 can rotate switching reception and put rotation scale 10
The angle of source signal is penetrated, rotation scale 10 is used to determine the angle with scatterer 9 of detector in real time, and USB port 12 is used for
USB connecting line, the protective tube 13 connected on grafting terminal 1 is used for for the overvoltage protection of equipment, power connection 14
Equipment power supply, power switch 15 control facility switching machine, and signal output port 16 passes through BNC connecting line and digital multi-channel point
Parser 3 connects, and for transmitting the signal that detector 11 receives to digital multi-channel analyzer 3, radioactive source simulator 4 is used for
Two access amplitude range -5V of random output arrives 0V, any radiation source signal of the μ of time range 16ns~8 s, thus for digitlization
Multichannel analyzer 3 provides virtual radiation source signal, and digital multi-channel analyzer 3 passes through mould for receiving radiation source signal
Quasi- digital conversion will be radiated source signal and be shown on the display screen of terminal 1 with intuitionistic form, digital multi-channel analysis
The incoming end of device 3 is set there are two signal input port, is separately connected radioactive source simulator 4 and scattering experiment platform 5.
The working principle of the invention: true radioactive source measurement experiment may be implemented in the system and the measurement of virtual radioactive source is real
It tests, when true radioactive source measurement experiment, radioactive source simulator 4 does not work, and needs to store radioactive source inside radioactive source bucket 7, radiates
The gamma-rays of source radiation can emit on scatterer 9, and by gamma ray scattering to detector 11, detector 11 exists scatterer 9
It is moved on sliding rail 17 when experiment, the received scattering radiation source signal of each angle is sent to digitlization by detector 11
Multichannel analyzer 3 (model: KRYQ-16), then be sent to the data of gamma-ray measurement by digital multi-channel analyzer 3
Terminal 1 shows finally by the display screen of terminal 1, when virtual radioactive source measurement experiment, scattering experiment
Platform 5 does not work, and is sky inside radioactive source bucket 7, physical signal only is randomly generated by radioactive source simulator 4, is modeled to put
It penetrates source signal and is sent to digital multi-channel analyzer 3, the signal received is sent to meter again by digital multi-channel analyzer 3
Calculation machine terminal 1.
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 (8)
1. the Compton scattering experimental system that a kind of actual situation combines, it is characterised in that: handed over including terminal (1), router
It changes planes cluster (2), digital multi-channel analyzer (3), radioactive source simulator (4) and scattering experiment platform (5), the digitlization
Signal transmission, the routers exchange are carried out by BNC connecting line between multichannel analyzer (3) and radioactive source simulator (4)
By cable network interconnection, the scattering is real for machine cluster (2), digital multi-channel analyzer (3) and radioactive source simulator (4)
Platform (5) are tested to carry out data transmission by USB connecting line with terminal (1)；
The scattering experiment platform (5) includes apparatus body (6), and radioactive source bucket is installed in the upper surface of the apparatus body (6)
(7), one end of shielded box (8), scatterer (9), rotation scale (10) and detector (11), the apparatus body (6) is equipped with
USB port (12), protective tube (13), power connection (14), power switch (15) and signal output port (16).
2. the Compton scattering experimental system that a kind of actual situation according to claim 1 combines, it is characterised in that: the radiation
The radioactive source for experiment is placed inside source bucket (7), shielded box (8) is for shielding radioactive source direct irradiation detector (11).
3. the Compton scattering experimental system that a kind of actual situation according to claim 1 combines, it is characterised in that: the scattering
Body (9) is aluminium bar, and the gamma-rays emitted for scattering radioactive source.
4. the Compton scattering experimental system that a kind of actual situation according to claim 1 combines, it is characterised in that: the detection
The outer wall of device (11) installs sliding support (18), and the surface particles of apparatus body (6) are equipped with sliding rail (17), detector
(11) it is slidably connected by sliding support (18) with sliding rail (17).
5. the Compton scattering experimental system that a kind of actual situation according to claim 4 combines, it is characterised in that: the sliding
Track (17) is semicircular structure, and the center of circle is overlapped with the center of circle of rotation scale (10), and rotation scale (10) is for determining
Angle where detector (11).
6. the Compton scattering experimental system that a kind of actual situation according to claim 1 combines, it is characterised in that: the USB
USB connecting line, protective tube (13) overvoltage for equipment of the port (12) for connecting on grafting terminal (1) is protected
Shield, power connection (14) control facility switching machine for equipment power supply, power switch (15), and signal output port (16) passes through
BNC connecting line is connect with digital multi-channel analyzer (3), for transmitting detector to digital multi-channel analyzer (3)
(11) signal received.
7. the Compton scattering experimental system that a kind of actual situation according to claim 1 combines, it is characterised in that: the radiation
Source simulator (4) arrives 0V for two access amplitude range -5V of random output, and any radioactive source of the μ of time range 16ns~8 s is believed
Number.
8. the Compton scattering experimental system that a kind of actual situation according to claim 1 combines, it is characterised in that: digitlization is more
Channel analyser (3) will radiate source signal by analog-to-digital conversion and be shown with intuitionistic form for receiving radiation source signal
On the display screen of terminal (1), the incoming end of digital multi-channel analyzer (3) is set there are two signal input port, point
It Lian Jie not radioactive source simulator (4) and scattering experiment platform (5).
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| CN201910493311.9A CN110161550A (en) | 2019-06-06 | 2019-06-06 | A kind of Compton scattering experimental system that actual situation combines |
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| CN201910493311.9A CN110161550A (en) | 2019-06-06 | 2019-06-06 | A kind of Compton scattering experimental system that actual situation combines |
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