CN210222261U - Compton scattering experimental system combining virtuality and reality - Google Patents
Compton scattering experimental system combining virtuality and reality Download PDFInfo
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- CN210222261U CN210222261U CN201920852300.0U CN201920852300U CN210222261U CN 210222261 U CN210222261 U CN 210222261U CN 201920852300 U CN201920852300 U CN 201920852300U CN 210222261 U CN210222261 U CN 210222261U
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Abstract
The utility model discloses a compton scattering experimental system that virtuality and reality combines belongs to nuclear engineering research technical field, including computer terminal, router switch cluster, digital multichannel analyzer, radiation source simulator and scattering experiment platform, carry out signal transmission through the BNC connecting wire between digital multichannel analyzer and the radiation source simulator, router switch cluster, digital multichannel analyzer and radiation source simulator all interconnect through the net twine network, the scattering experiment platform carries out data transmission through USB connecting wire and computer terminal. The digital multi-channel analyzer is used for signal transmission with the radiation source simulator and the scattering experiment platform respectively, the scattering experiment platform collects real radioactive source signals through the detector, the radiation source simulator provides virtual radioactive source signals of the digital multi-channel analyzer, and the virtual-real combined system can meet the requirements of nuclear physics teaching experiments and meanwhile enables teaching to be more convenient and safer.
Description
Technical Field
The utility model relates to a nuclear engineering research technical field, in particular to compton scattering experimental system that virtuality and reality combines.
Background
The birth of the 20 th century, the most common and well-known applications of the nucleus are: nuclear power generation and nuclear weaponry, and often "talk of nuclear discoloration" to humans and nature as a result of the hazards they pose to humans and nature from nuclear weapons and nuclear contamination. However, the benefits of nuclear physics to human beings can only be compared with modern electronics and information technology.
The research on nuclear physics is supported by the great importance of people, and is closely related to the wide and important application value of the nuclear physics. Almost none of the nuclear physics laboratories is engaged in the applied research of nuclear technology. Some devices are even primarily engaged in nuclear technology applications.
At present, nuclear physics nuclear engineering personnel demand is large, colleges and universities who set up nuclear physics teaching experiments are increasing day by day, but the teaching experiments related to modern nuclear physics involve radioactive sources or ray devices, because the management of the state to the radioactive sources is very strict at present, the procedures for purchasing the radioactive sources are complicated and the use is very inconvenient, some colleges and universities even cannot purchase the radioactive sources, and the teaching of the normal modern physics experiments is seriously influenced. And the radioactive source has radiation, and if the protective measures are improper or the operating regulations are violated in the experimental process, the human body can be injured.
SUMMERY OF THE UTILITY MODEL
The utility model discloses an it can only adopt true radiation source when just aiming at solving above-mentioned radiation source teaching experiment, has during the experiment that the radiation leads to the unsafe problem of use with high costs and provides a compton scattering experimental system that virtuality and reality combines, it is more convenient to have virtuality and reality to combine the experiment, and the physics signal is tested safelyr and advantage with low costs as virtual radiation source.
The utility model discloses a following technical scheme realizes above-mentioned purpose, a compton scattering experimental system that virtuality and reality combines, including computer terminal, router switch cluster, digital multichannel analyzer, radiation source simulator and scattering experiment platform, carry out signal transmission through the BNC connecting wire between digital multichannel analyzer and the radiation source simulator, router switch cluster, digital multichannel analyzer and radiation source simulator all interconnect through the net twine network, the scattering experiment platform carries out data transmission through USB connecting wire and computer terminal;
the scattering experiment platform comprises an equipment body, wherein a radioactive source barrel, a shielding box, a scattering body, a rotary dial and a detector are mounted on the upper surface of the equipment body, and a USB port, a protective tube, a power connector, a power switch and a signal output port are arranged at one end of the equipment body.
Preferably, a radioactive source for an experiment is placed in the radioactive source barrel, and the shielding box is used for shielding the radioactive source from directly irradiating the detector.
Preferably, the scatterer is an aluminum rod and is used for scattering gamma rays emitted by a radioactive source.
Preferably, the outer wall of the detector is provided with a sliding support, a sliding track is arranged on the surface shell of the equipment body, and the detector is connected with the sliding track in a sliding mode through the sliding support.
Preferably, the sliding track is of a semicircular structure, the circle center of the sliding track coincides with that of the rotary dial, and the rotary dial is used for determining the angle of the detector.
Preferably, the USB port is used for plugging a USB connection line connected to a computer terminal, the fuse is used for overvoltage protection of the device, the power connector is used for supplying power to the device, and the power switch controls the device to be turned on and off, and the signal output port is connected to the digital multi-channel analyzer through a BNC connection line and is used for transmitting a signal received by the detector to the digital multi-channel analyzer.
Preferably, the radioactive source simulator is used for randomly outputting any radioactive source signal with two channels ranging from-5V to 0V in amplitude and 16ns to 8 mu s in time.
Preferably, the digital multichannel analyzer is used for receiving the radioactive source signal, displaying the radioactive source signal on a display screen of a computer terminal in a visual form through analog-digital conversion, and the access end of the digital multichannel analyzer is provided with two signal input ports which are respectively connected with the radioactive source simulator and the scattering experiment platform.
Compared with the prior art, the beneficial effects of the utility model are that: the signal transmission is respectively carried out with a radioactive source simulator and a scattering experiment platform through a digital multi-channel analyzer, a radioactive source barrel is arranged on the scattering experiment platform, the radioactive source barrel provides a real radioactive source, a detector collects a real radioactive source signal and sends the real radioactive source signal to the digital multi-channel analyzer, the radioactive source simulator provides a radioactive source signal which is virtualized by the digital multi-channel analyzer, therefore, the virtual radioactive source can be simulated by the radioactive source simulator to carry out experiments under the condition without the radioactive source, so that the experiment is not influenced by objective factors, the use of the radioactive source can be reduced, the experiment cost is saved, the condition that the body is damaged due to improper protective measures or violation of operating rules during the experiment can not occur in the virtual radioactive source, and the virtual-real combined system can ensure that the teaching is more convenient and safer while meeting the requirements of nuclear physics teaching experiments.
Drawings
Fig. 1 is a schematic view of the connection structure of the whole system of the present invention.
Fig. 2 is a top view of the scattering experiment platform of the present invention.
Fig. 3 is a side view of the scattering experiment platform of the present invention.
In the figure: 1. the system comprises a computer terminal, 2, a router switch cluster, 3, a digital multichannel analyzer, 4, a radioactive source simulator, 5, a scattering experiment platform, 6, an equipment body, 7, a radioactive source barrel, 8, a shielding box, 9, a scattering body, 10, a rotary dial, 11, a detector, 12, a USB port, 13, a protective tube, 14, a power connector, 15, a power switch, 16, a signal output port, 17, a sliding rail, 18 and a sliding support.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-3, a virtual-real combined compton scattering experimental system includes a computer terminal 1, a router switch cluster 2, a digitized multi-channel analyzer 3, a radiation source simulator 4 and a scattering experimental platform 5, wherein the digitized multi-channel analyzer 3 and the radiation source simulator 4 are in signal transmission through a BNC connection line, the router switch cluster 2, the digitized multi-channel analyzer 3 and the radiation source simulator 4 are all interconnected through a network cable network, and the scattering experimental platform 5 is in data transmission with the computer terminal 1 through a USB connection line; a network environment is built through a router switch cluster 2, network and signal interconnection among all devices is achieved, a computer terminal 1 is used for displaying images of experiments, a scattering experiment platform 5 comprises an equipment body 6, a radioactive source barrel 7, a shielding box 8, a scattering body 9, a rotary dial 10 and a detector 11 are mounted on the upper surface of the equipment body 6, a USB port 12, a protective tube 13, a power connector 14, a power switch 15 and a signal output port 16 are arranged at one end of the equipment body 6, a radioactive source for experiments is placed inside the radioactive source barrel 7, the shielding box 8 is used for shielding the radioactive source to directly irradiate the detector 11, two small holes in the top of the shielding box 8 are used for filling lead sand to reduce experiment noise, the radioactive source barrel 7 needs to be added inside during real radioactive source experiments, the inside is empty during virtual radioactive source experiments, the scattering body 9 is an aluminum rod, the scattering body 9 can also be a plastic scintillator detector, an aluminum bar is selected because the coefficient of absorbing the gamma rays emitted by the radioactive source is small, a sliding support 18 is installed on the outer wall of the detector 11, a sliding rail 17 is arranged on the surface shell of the equipment body 6, the detector 11 is in sliding connection with the sliding rail 17 through the sliding support 18, the sliding rail 17 is of a semicircular structure, the circle center of the sliding rail coincides with the circle center of a rotary dial 10, the rotary dial 10 is used for determining the angle of the detector 11, the detector 11 can rotate to switch the angle for receiving the radioactive source signal, the rotary dial 10 is used for determining the angle of the detector and the scattering body 9 in real time, a USB port 12 is used for being connected with a USB connecting line connected with the computer terminal 1 in an inserting mode, a protective tube 13 is used for overvoltage protection of equipment, a power supply connector 14 is used for supplying power to, the signal output port 16 is connected with the digital multi-channel analyzer 3 through a BNC connecting line and used for transmitting signals received by the detector 11 to the digital multi-channel analyzer 3, the radioactive source simulator 4 is used for randomly outputting any radioactive source signal with a two-channel amplitude range of-5V to 0V and a time range of 16ns to 8 mu s so as to provide virtual radioactive source signals for the digital multi-channel analyzer 3, the digital multi-channel analyzer 3 is used for receiving the radioactive source signals and displaying the radioactive source signals on a display screen of the computer terminal 1 in a visual mode through analog-digital conversion, and the access end of the digital multi-channel analyzer 3 is provided with two signal input ports which are respectively connected with the radioactive source simulator 4 and the scattering experiment platform 5.
The utility model discloses a theory of operation: the system can realize a real radioactive source measurement experiment and a virtual radioactive source measurement experiment, when the real radioactive source measurement experiment is carried out, the radioactive source simulator 4 does not work, a radioactive source is required to be stored in the radioactive source barrel 7, gamma rays radiated by the radioactive source can be radiated onto the scatterer 9, the scatterer 9 scatters the gamma rays onto the detector 11, the detector 11 moves on the sliding rail 17 when the experiment is carried out, the detector 11 sends a scattering radioactive source signal received at each angle to the digital multi-channel analyzer 3 (model: KRYQ-16), the data measured by the gamma rays are sent to the computer terminal 1 through the digital multi-channel analyzer 3, and finally the data are displayed through the display screen of the computer terminal 1, when the virtual radioactive source measurement experiment is carried out, the scattering experiment platform 5 does not work, the interior of the radioactive source barrel 7 is empty, only the radioactive source simulator 4 randomly generates physical signals, the signals are simulated into radioactive source signals and sent to the digital multi-channel analyzer 3, and the digital multi-channel analyzer 3 sends the received signals to the computer terminal 1.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (8)
1. The utility model provides a Compton scattering experimental system that virtuality and reality combine which characterized in that: the system comprises a computer terminal (1), a router switch cluster (2), a digital multi-channel analyzer (3), a radioactive source simulator (4) and a scattering experiment platform (5), wherein the digital multi-channel analyzer (3) and the radioactive source simulator (4) are in signal transmission through a BNC connecting line, the router switch cluster (2), the digital multi-channel analyzer (3) and the radioactive source simulator (4) are all interconnected through a network cable network, and the scattering experiment platform (5) is in data transmission with the computer terminal (1) through a USB connecting line;
the scattering experiment platform (5) comprises an equipment body (6), wherein a radioactive source barrel (7), a shielding box (8), a scattering body (9), a rotary dial (10) and a detector (11) are mounted on the upper surface of the equipment body (6), and a USB port (12), a protective tube (13), a power connector (14), a power switch (15) and a signal output port (16) are arranged at one end of the equipment body (6).
2. The Compton scattering experimental system of claim 1, wherein: the radioactive source barrel (7) is internally provided with a radioactive source for experiments, and the shielding box (8) is used for shielding the radioactive source to directly irradiate the detector (11).
3. The Compton scattering experimental system of claim 1, wherein: the scatterer (9) is an aluminum bar and is used for scattering gamma rays emitted by a radioactive source.
4. The Compton scattering experimental system of claim 1, wherein: the outer wall of detector (11) installs sliding support (18), is equipped with sliding rail (17) on the surperficial casing of equipment body (6), and detector (11) pass through sliding support (18) and sliding rail (17) sliding connection.
5. The Compton scattering experimental system of claim 4, wherein: the sliding track (17) is of a semicircular structure, the circle center of the sliding track coincides with the circle center of the rotary dial (10), and the rotary dial (10) is used for determining the angle of the detector (11).
6. The Compton scattering experimental system of claim 1, wherein: the USB port (12) is used for being connected with a USB connecting line connected to the computer terminal (1) in a plug-in mode, the fuse tube (13) is used for overvoltage protection of equipment, the power connector (14) is used for supplying power to the equipment, the power switch (15) controls the equipment to be turned on and turned off, and the signal output port (16) is connected with the digital multi-channel analyzer (3) through a BNC connecting line and used for transmitting signals received by the detector (11) to the digital multi-channel analyzer (3).
7. The Compton scattering experimental system of claim 1, wherein: the radioactive source simulator (4) is used for randomly outputting any radioactive source signals of which the two channels range from minus 5V to 0V in amplitude and range from 16ns to 8 mu s in time.
8. The Compton scattering experimental system of claim 1, wherein: the digital multichannel analyzer (3) is used for receiving radioactive source signals, displaying the radioactive source signals on a display screen of the computer terminal (1) in a visual mode through analog-digital conversion, and the access end of the digital multichannel analyzer (3) is provided with two signal input ports which are respectively connected with the radioactive source simulator (4) and the scattering experiment platform (5).
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| CN201920852300.0U CN210222261U (en) | 2019-06-06 | 2019-06-06 | Compton scattering experimental system combining virtuality and reality |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110161550A (en) * | 2019-06-06 | 2019-08-23 | 武汉大学 | A kind of Compton scattering experimental system that actual situation combines |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110161550A (en) * | 2019-06-06 | 2019-08-23 | 武汉大学 | A kind of Compton scattering experimental system that actual situation combines |
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