CN109920315B - A kind of virtual alpha scattering experiment system - Google Patents
A kind of virtual alpha scattering experiment system Download PDFInfo
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- CN109920315B CN109920315B CN201910248072.0A CN201910248072A CN109920315B CN 109920315 B CN109920315 B CN 109920315B CN 201910248072 A CN201910248072 A CN 201910248072A CN 109920315 B CN109920315 B CN 109920315B
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Abstract
This application discloses a kind of virtual alpha scattering experiment systems, the system specifically includes that experimental model module, obliquity sensor, angle-sensor module, communication module and module is presented, experimental model module is set on angle-sensor module, obliquity sensor is connect with experimental model module, and obliquity sensor and angular transducer pass through communication module respectively and module communication connection are presented.By the experimental system, be conducive to the accuracy and conventional efficient that improve experiment, additionally it is possible to reduce experiment condition, effectively solve the problems, such as that remote districts can not carry out alpha scattering experiment, be conducive to improve the experimental system scope of application, convenient for promoting the use of.
Description
Technical field
This application involves alpha scattering experiment technical fields, more particularly to a kind of virtual alpha scattering experiment system.
Background technique
Alpha scattering experiment (a-particle scattering experiment) is also known as goldleaf experiment, Geiger-
Marsden experiment or rutherford's alpha scattering experiment draw.The experiment is mainly used for studying α-particlescattering phenomenon, α-particlescattering
Phenomenon are as follows: most α particles still advance along original direction after passing through goldleaf, but there have a small number of α particles to have occurred to be biggish inclined
Turn, and have an only a few α particle is deflected over 90 °, even almost 180 ° of some and be repelled back.In order to preferably grind
Study carefully α-particlescattering phenomenon, needs to use alpha scattering experiment device.
Current alpha scattering experiment device specifically includes that particle source, vacuum chamber, detector, vacuum pump and counts system
System.It is vacuumized using vacuum pump, vacuum chamber is formed, and using the vacuum state of vacuum pump position vacuum chamber, in vacuum chamber
In α-particlescattering particle emitted to detector by particle source, by computing system to the deflection angle of α-particlescattering particle into
Row record, so that the experiment of α-particlescattering particle completely be presented.
However, current alpha scattering experiment device, carries out in vacuum environment, experimenter can not enter due to testing
Interior, not clear enough to the observation of experimentation and experimental result, the accuracy so as to cause experiment is not high enough.In addition, current α
α-particles scattering experiment device is true laboratory apparatus, and experiment condition is harsher.The school of especially some remote districts
There is no true laboratory apparatus, do not have experiment condition, thus alpha scattering experiment can not be carried out.Therefore, current α particle
Scattering experiment device makes the accuracy of experiment not high enough, and the device narrow scope of application, is not easy to promote the use of.
Summary of the invention
This application provides a kind of virtual alpha scattering experiment systems, to solve alpha scattering experiment in the prior art
Device makes the accuracy of experiment not high enough and experimental provision is not easy to the problem of promoting the use of.
In order to solve the above-mentioned technical problem, the embodiment of the present application discloses following technical solution:
A kind of virtual alpha scattering experiment system, the system comprises: experimental model module, obliquity sensor, angle pass
Sensor module, communication module and presentation module, the experimental model module is set on the angle-sensor module, described to incline
Angle transducer is connect with the experimental model module, and the obliquity sensor and angular transducer pass through communication module and institute respectively
It states and module communication connection is presented；
The experimental model module, for simulating equipment required for alpha scattering experiment；
The obliquity sensor, for detecting the virtual alpha scattering experiment system, whether placement is horizontal；
The angle-sensor module, for calculating the rotation angle of the experimental model module；
The communication module, for the obliquity sensor and the collected information of angle-sensor module to be sent to and be in
Existing module；
Present module, under the rotational angle and different angle according to experimental model module alpha scattering experiment it is true
Actual effect fruit picture shows the process of alpha scattering experiment by augmented reality platform.
Optionally, the experimental model module includes: microscope ontology model, radiates source model and goldleaf model, described
Fluorescent screen is provided in microscope ontology model, the microscope ontology model is rotatably connected with the angular transducer, institute
It states radiation source model and goldleaf model is fixedly installed on the angular transducer.
Optionally, the angle-sensor module includes: chassis, three-layer disc face, conducting probe and meter with track
Number device, the three-layer disc face are set to the chassis upper, and the track on the chassis is for carrying microscope ontology model, institute
State three-layer disc face for carry radiation source model and goldleaf model, the counter is used for as angular transducer counting, institute
It states conducting probe to be set on the microscope ontology model, and passes through counting between the conducting probe and the three-layer disc face
Device electrical connection.
Optionally, the three-layer disc face successively includes: plastic housing upper layer, annular copper sheet middle layer and plastic housing from lower to upper
Lower layer, the plastic housing upper layer is evenly arranged with circle cavity close to edge, and difference angle is 1 between two neighboring cavity
Degree, the annular copper sheet middle layer are provided with conductor connecting structure close to edge, conducting probe may pass through the cavity with it is described
Conductor connecting structure connection.
Optionally, the communication module includes bluetooth.
Optionally, the presentation module includes: computer, and the augmented reality platform being stored in the computer and
Database is stored with the true effect picture of alpha scattering experiment under different angle in the database.
Optionally, the computer includes remote computer or local computer.
The technical solution that embodiments herein provides can include the following benefits:
The application provides a kind of virtual alpha scattering experiment system, which specifically includes that experimental model module, inclination angle
Sensor, angle-sensor module, communication module and presentation module.Wherein, experimental model module is set to angular transducer mould
On block, obliquity sensor is connect with experimental model module, and obliquity sensor and angular transducer pass through communication module respectively and be in
Existing module communication connection.The present embodiment can be simulated required for alpha scattering experiment and be set by one experimental model module of setting
It is standby.By the way that an obliquity sensor is arranged, being able to detect entire experimental system, whether placement is horizontal, and by placement information via communication
Module transfer is corrected to module is presented, so that it is guaranteed that whole system, which is under horizontality, is then turned on experiment, is conducive to mention
The accuracy of high experimental result.It is capable of the rotation angle of experiment with computing model module by angle-sensor module, and will be adopted
The rotation angle collected is transmitted to by communication module is presented the virtual alpha scattering experiment of module progress.The present embodiment is by setting
A presentation module is set, can show α-particlescattering finally by augmented reality platform according to the rotational angle of experimental model module
The process of experiment.The present embodiment is by acquiring the rotation of experimental model module for true alpha scattering experiment instrument models
Angle, and the enhancing display platform that module is presented is combined to be shown, experimenter's close-ups can be facilitated entirely to test
Process is conducive to the accuracy and conventional efficient that improve experiment.In addition, the present embodiment replaces actual implementation using experimental model module
Instrument is tested, experiment condition can be reduced in the case where not influencing experimental result, so that the experimental system scope of application is wider, just
In popularization and use.
It should be understood that above general description and following detailed description be only it is exemplary and explanatory, not
The application can be limited.
Detailed description of the invention
The drawings herein are incorporated into the specification and forms part of this specification, and shows the implementation for meeting the application
Example, and together with specification it is used to explain the principle of the application.
In order to illustrate the technical solutions in the embodiments of the present application or in the prior art more clearly, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, for those of ordinary skill in the art
Speech, without creative efforts, is also possible to obtain other drawings based on these drawings.
Fig. 1 is a kind of structural block diagram of virtual alpha scattering experiment system provided by the embodiment of the present application；
Fig. 2 is the structural schematic diagram that three-layer disc face is connect with conducting wire in the embodiment of the present application；
Fig. 3 is the profilograph in three-layer disc face in the embodiment of the present application；
Fig. 4 is the structural schematic diagram of counter in the embodiment of the present application；
Fig. 5 is virtual structure of the alpha scattering experiment system in concrete application scene provided by the embodiment of the present application
Schematic diagram；
Fig. 6 is the flow diagram of virtual alpha scattering experiment algorithm in the embodiment of the present application.
Specific embodiment
In order to make those skilled in the art better understand the technical solutions in the application, below in conjunction with the application reality
The attached drawing in example is applied, the technical scheme in the embodiment of the application is clearly and completely described, it is clear that described implementation
Example is merely a part but not all of the embodiments of the present application.Based on the embodiment in the application, this field is common
The application protection all should belong in technical staff's every other embodiment obtained without making creative work
Range.
The application in order to better understand explains in detail presently filed embodiment with reference to the accompanying drawing.
Referring to Fig. 1, Fig. 1 is a kind of structural block diagram of virtual alpha scattering experiment system provided by the embodiment of the present application.
As shown in Figure 1, virtual alpha scattering experiment system specifically includes that experimental model module, obliquity sensor, angle in the present embodiment
It spends sensor module, communication module and module is presented.Wherein, experimental model module is set on angle-sensor module, inclination angle
Sensor is connect with experimental model module, and obliquity sensor and angular transducer pass through communication module respectively and communicate with module is presented
Connection.
Experimental model module is replaced true for simulating equipment required for alpha scattering experiment using experimental model module
Required particle source, detector and number system in experiment, and experimental model module does not need to be placed in vacuum environment
In, it in the case where guaranteeing experiment effect, can reduce experiment condition, be conducive to the popularization and use of experimental system.Inclination angle sensing
Whether placement is horizontal for detecting virtual alpha scattering experiment system for device, it is ensured that alpha scattering experiment is in water in experimental facilities
It is prompted when being carried out when level state, and being not at horizontality by the way that module is presented, is conducive to improve the accurate of experimental result
Property.Angle-sensor module is used for the rotation angle of experiment with computing model module；Communication module is used for obliquity sensor and angle
The degree collected information of sensor module is sent to presentation module；Module is presented for the rotational angle according to experimental model module
With the true effect picture of alpha scattering experiment under different angle, the mistake of alpha scattering experiment is shown by augmented reality platform
The true effect picture that alpha scattering experiment under a large amount of different angles is stored in module is presented in journey, real by the way that module is presented
The personnel of testing can watch alpha scattering experiment mistake by augmented reality platform in real time according to the rotation to experimental model module
Journey.
Wherein, experimental model module includes: microscope ontology model, radiation source model and goldleaf model.Wherein, microscope
Fluorescent screen is provided in ontology model, microscope ontology model is rotatably connected with angular transducer, radiates source model and goldleaf
Model is fixedly installed on angular transducer.It includes fluorescent screen, eyepiece, object that microscope ontology model, which is one, in the present embodiment
The mock-up of the components such as mirror and lens barrel.
Angle-sensor module includes: chassis, three-layer disc face, conducting probe and counting with track in the present embodiment
Device.Wherein, three-layer disc face is set to chassis upper, and the track on chassis is used for carrying microscope ontology model, three-layer disc face
In carrying radiation source model and goldleaf model, counter is used to count for angular transducer, and conducting probe is set to microscope sheet
On body Model, and it is electrically connected between conducting probe and three-layer disc face by counter.
Further, three-layer disc face successively includes: under plastic housing upper layer, annular copper sheet middle layer and plastic housing from lower to upper
Layer, three-layer disc face is round disk in the present embodiment, and three disks are equal in magnitude.Plastic housing upper layer is uniform close to edge
It is provided with circle cavity, and difference angle is 1 degree between two neighboring cavity, three-layer disc face is connect with conducting wire in the present embodiment
Structural schematic diagram may refer to Fig. 2, and the profilograph in three-layer disc face may refer to Fig. 3.Specifically, from the figure 3, it may be seen that three-layer disc face
Radius be 30cm if, can be uniformly arranged at edge 1.5cm in plastic housing upper layer a circle cavity, it is each cavity
Radius is 1mm, and the fan-shaped angle constituted between two neighboring cavity and the plastic housing upper layer center of circle is 1 degree, on entire plastic housing
It may include 360 cavities in layer.Annular copper sheet middle layer is provided with conductor connecting structure close to edge, specifically, three-layer disc face
Radius be 30cm if, can be evenly arranged at edge 1.5cm in plane on annular copper sheet middle layer conducting wire connection
Structure, conducting probe may pass through cavity and connect with conductor connecting structure.
It is fixedly installed track on the chassis of the present embodiment, for carrying microscope ontology model, and microscope ontology mould
Type is rotatably connected by the track on chassis with angle-sensor module, and microscope ontology model can rotate in orbit.
Conducting probe in angle-sensor module is installed on microscope ontology model, which can be inserted into plastics
In the cavity on shell upper layer, and can be in the current cavity of the rotation insert continually of microscope ontology model.Specifically, it tests
When personnel's rotating microscope ontology model, conducting probe also and then rotates and mobile due to being installed on microscope ontology model,
Whenever conducting probe is transferred in cavity, a closed circuit just will form, counter counts primary at this time.
Counter in angle-sensor module connects annular copper sheet middle layer and conducting probe in three-layer disc face, works as conduction
When probe is collided via the cavity in plastic housing upper layer with the copper sheet in annular copper sheet middle layer, it is formed into a loop, after zero for the first time
Not metering number when forming closed circuit, closed circuit hour counter of every is formationed adds 1 later, so that completion is to angular transducer
Collected microscope ontology model counting.
Counter mainly includes that counting unit, display and zero button, counting unit use existing skill in the present embodiment
Counting mode in art, details are not described herein.The structural schematic diagram of counter may refer to Fig. 4 in the present embodiment.
Communication module in the present embodiment can use a bluetooth, which may be disposed in counter, by bluetooth this
One wireless transmission device, being capable of being adopted experimental system horizontality collected in obliquity sensor and angular transducer
The information viewpoint information of collection is transmitted to presentation module in time, carries out status display.
Further, in this embodiment it includes: computer that module, which is presented, and the augmented reality being stored in computer is flat
Platform and database.Wherein, augmented reality platform and database are software, and α particle under different angle is stored in database and is dissipated
The true effect picture of experiment is penetrated, computer includes remote computer or local computer.If experimenter uses local meter
Calculation machine carries out experimental implementation, by augmented reality platform and database purchase into local computer；If experimenter uses remote
Journey computer carries out experimental implementation, by augmented reality platform and database purchase into remote computer.
The present embodiment acquires the angle-data of microscope ontology model rotation, by angle-sensor module by microscope sheet
The angle-data of body Model rotation is transmitted to local computer or remote computer via bluetooth, and local computer is to the number received
According to carrying out Analysis And Computation Division reason, and processing result is transmitted to local augmented reality platform by bluetooth or long-range augmented reality is put down
Then platform passes through the experimental result of augmented reality real-time display alpha scattering experiment in local display.
It is virtual alpha scattering experiment system provided by the embodiment of the present application in concrete application scene referring to Fig. 5, Fig. 5
In structural schematic diagram.The present embodiment can carry out algorithm design according to virtual alpha scattering experiment system in practical applications,
Algorithm design specifically includes that counter counting algorithm, counter clear algorithm, Outlier Detection Algorithm and experiment reality are calculated
Method.
A) counter counting algorithm is as follows:
When rotating microscope, conducting probe can be sequentially inserted into cavity, contact to form access with energization copper sheet, and counter adds 1.
Microscope can be rotated according to the degree that external member in kind rotates on display, the arc length L of rotation are as follows: L=n*2 π R/360, formula
In, n is the degree of rotation, and R is the radius of disk in display.
Input: Int IsAccess；// whether form access, 1 be it is yes, 0 is no；
Int Count=0//access number is defaulted as 0；
Output: int ScreenAngle；// counter degree；
IF judges whether to be formed access, and it is to start counting that IsAcces, which is 1,；ELSE is without counting；
THEN, IF judge whether once to form access, when Count is 0, Count++ without counting；ELSE ScreenAngle
++,Count++。
B) counter clear algorithm is as follows:
Microscope is gone to 0 degree, presses zero button, counter clear.
Input: empty
Output: empty
When pressing zero button, Count=0, ScreenAngle=0.
C) Outlier Detection Algorithm is as follows:
Whether test experience external member is horizontally arranged, and is indicated by the numerical value A of obliquity sensor outflow.
Input: double Angle；The angle of // obliquity sensor measurement；
Output: String error；// output signal language；
IF judge Angle whether be it is horizontal, it is horizontal then export sky；ELSE, output signal language are please horizontally arranged external member；
Whether detection conducting probe, which is inserted into cavity and is formed, passes through, and is indicated with B: B ∈ { 0,1 }.
Input: Int IsAccess；// whether form access, 1 be it is yes, 0 is no
Output: String error；// output signal language
IF judges whether IsAccess is 1, empty for 1 output；ELSE output signal language please check whether external member probe is inserted into
Cavity.
D it is as follows) to test real algorithm:
After computer receives degree by bluetooth, real-time display is really tested in a computer picture.
Input: angle；
Output: picture path；
After receiving number of rotation, corresponding actual experimental results are extracted from database, are shown to computer screen
In.
The flow diagram of virtual alpha scattering experiment algorithm may refer to Fig. 6 in the embodiment of the present application, it will be appreciated from fig. 6 that
When carrying out virtual alpha scattering experiment using the experimental system in the present embodiment, comprise the following processes:
1) it acquires in true experimental situation per alpha scattering experiment once as a result, deposit is presented in the database of module.
2) alpha scattering experiment system is taken out, level is placed on a platform, can call ErrorLevel (double
Whether angle function check external member puts level, checks whether conducting probe is inserted into cavity, can call ErrorAccess (int
IsAccess) function.Micro- mirror angle is adjusted to 0 degree, it may be assumed that microscope is turned to 0 degree, zero button is pressed, calls Rzero
Data are passed to computer by bluetooth by () function, call Display (int angle) function after obtaining data, display is true
0 degree of photo in experiment.
3) it is rotated in a clockwise direction microscope, whenever rotating microscope calls AngleCount (int isaccess) letter
Number, angular transducer obtain degree, and rotation angle is transmitted to local service end in real time, call Display (int after obtaining data
Angle) function shows the photo of all angles in true experiment, observes the particle number shown in the fluorescent screen of local AR,
Every 1 degree of variation is observed and records, until particle number is 0.
4) big angle rotary microscope, whenever rotating microscope calls AngleCount (int isaccess) function, angle
It spends sensor and obtains degree, rotation angle is transmitted to local service end in real time, call Display (int after obtaining data
Angle) function shows the photo of all angles in true experiment, when particle number is greater than 10, observes local AR's
The particle number shown in fluorescent screen starts to observe and record every 1 degree of variation, until reaching 180 degree.
5) micro- mirror angle is zeroed, it may be assumed that microscope is turned to 0 degree, zero button is pressed, calls Rzero () function, open
Begin step 4) and experimental implementation 5) to be repeated, until being completed along rotating microscope counterclockwise.
6) experiment scene is saved.
The above is only the specific embodiment of the application, make skilled artisans appreciate that or realization the application.It is right
A variety of modifications of these embodiments will be apparent to one skilled in the art, general original as defined herein
Reason can be realized in other embodiments without departing from the spirit or scope of the application.Therefore, the application will not
Be intended to be limited to the embodiments shown herein, and be to fit to it is consistent with the principles and novel features disclosed in this article most
Wide range.
Claims (6)
1. a kind of virtual alpha scattering experiment system, which is characterized in that the system comprises: microscope ontology model, radioactive source
Model and goldleaf model, obliquity sensor, angle-sensor module, communication module and presentation module, the microscope ontology mould
Fluorescent screen is provided in type, the microscope ontology model is rotatably connected with the angular transducer, the radiation source model
It is fixedly installed on the angular transducer with goldleaf model, the obliquity sensor and the radiation source model and goldleaf mould
Type connection, the obliquity sensor and angular transducer pass through communication module respectively and the presentation module communicates to connect；
The microscope ontology model, radiation source model and goldleaf model, set required for alpha scattering experiment for simulating
It is standby；
The obliquity sensor, for detecting the virtual alpha scattering experiment system, whether placement is horizontal；
The angle-sensor module, for calculating the rotation angle of the microscope ontology model；
The communication module, for the obliquity sensor and the collected information of angle-sensor module to be sent to presentation mould
Block；
Present module, under the rotational angle and different angle according to microscope ontology model alpha scattering experiment it is true
Effect picture shows the process of alpha scattering experiment by augmented reality platform.
2. a kind of virtual alpha scattering experiment system according to claim 1, which is characterized in that the angular transducer
Module includes: chassis, three-layer disc face, conducting probe and counter with track, and the three-layer disc face is set to the bottom
Disk top, the track on the chassis is for carrying microscope ontology model, and the three-layer disc face is for carrying radiation source model
With goldleaf model, the counter is used to count for the angular transducer, and the conducting probe is set to the microscope sheet
On body Model, and it is electrically connected between the conducting probe and the three-layer disc face by counter.
3. a kind of virtual alpha scattering experiment system according to claim 2, which is characterized in that the three-layer disc face by
Under up successively include: plastic housing upper layer, annular copper sheet middle layer and plastic housing lower layer, the plastic housing upper layer is close to edge
It is evenly arranged with circle cavity, and difference angle is 1 degree between two neighboring cavity, the annular copper sheet middle layer is close to edge
It is provided with conductor connecting structure, conducting probe may pass through the cavity and connect with the conductor connecting structure.
4. a kind of virtual alpha scattering experiment system according to claim 1, which is characterized in that the communication module packet
Include bluetooth.
5. a kind of virtual alpha scattering experiment system according to claim 1, which is characterized in that the presentation module packet
Include: computer, and the augmented reality platform and database that are stored in the computer are stored with difference in the database
The true effect picture of alpha scattering experiment under angle.
6. a kind of virtual alpha scattering experiment system according to claim 5, which is characterized in that the computer includes
Remote computer or local computer.
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| CN1529297A (en) * | 2003-10-14 | 2004-09-15 | 清华大学 | Ruther ford scattering experiment teaching instrument |
| US8948334B2 (en) * | 2005-10-31 | 2015-02-03 | General Electric Company | System and method for testing the steam system of a boiling water reactor |
| CN201549108U (en) * | 2009-10-30 | 2010-08-11 | 江苏工业学院 | Device for demonstrating alpha particle scattering |
| CN108510592B (en) * | 2017-02-27 | 2021-08-31 | 亮风台（上海）信息科技有限公司 | Augmented reality display method of real physical model |
| CN108959670B (en) * | 2017-05-22 | 2020-10-16 | 同方威视技术股份有限公司 | Scattered particle tracking method and device |
| CN109444187B (en) * | 2018-10-18 | 2021-08-10 | 中国石油大学(华东) | Compton scattering experiment simulation system and method |
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