CN107728193A - A kind of gamma spectrometer - Google Patents
A kind of gamma spectrometer Download PDFInfo
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- CN107728193A CN107728193A CN201710936930.1A CN201710936930A CN107728193A CN 107728193 A CN107728193 A CN 107728193A CN 201710936930 A CN201710936930 A CN 201710936930A CN 107728193 A CN107728193 A CN 107728193A
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- module
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- scintillation crystal
- probe
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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
- G01T1/36—Measuring spectral distribution of X-rays or of nuclear radiation spectrometry
- G01T1/362—Measuring spectral distribution of X-rays or of nuclear radiation spectrometry with scintillation detectors
-
- 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
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- Spectroscopy & Molecular Physics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Physics & Mathematics (AREA)
- High Energy & Nuclear Physics (AREA)
- Molecular Biology (AREA)
- Measurement Of Radiation (AREA)
Abstract
The present invention provides a kind of gamma spectrometer, including end of probe and long-range monitoring side；End of probe includes detecting module, for gamma ray to be converted into electric signal；Signal processing module, the electric signal for being exported to detector array carry out shaping enhanced processing；Data collection and analysis module, sampling analysis is carried out for the electric impulse signal after amplifying to shaping；Temperature detecting module, for obtaining the temperature of residing working environment；Alarm module, for sending sound and light alarm；Wireless communication module, for realizing the data transfer of end of probe and long-range monitoring side；Microprocessor, alarm module is controlled to be alarmed when temperature exceedes threshold value；Data collection and analysis module, signal processing module and wireless communication module are controlled, for carrying out data processing and transmission；Long-range monitoring side includes visualization interface and data processing software, and data processing software includes being used for the nuclide identification module for identifying nucleic, and for measuring the radon gas content measurement module of radon gas content.
Description
Technical field
The present invention relates to the power spectrum field of detecting of gamma ray, and in particular to a kind of gamma spectrometer.
Background technology
Gamma spectrometer be widely used in geology industry, food, the radioactivity monitoring of hygienic conditions and construction material production and
Detect, build the fields such as industrial and commercial bank's industry.In such applications, much all work at the scene, it is necessary to which instrumental function meets technical requirements
Need that there is the advantages such as easy to operate, low in energy consumption, structure is portable again simultaneously.Existing gamma spectrometer mainly has two classes：It is a kind of
It is the gamma spectrometer built using existing computer as data processing centre, this kind of gamma spectrometer has very strong processing number
According to the ability with the general line of real-time display, measurement end mainly uses serial ports or USB communication modes, both communication modes with computer
It must have cable and carry out physical connection, inconvenient for operation in the wild, cable easily occurs contacting the failures such as bad, short circuit, and
Overall Power Consumption is big, and volume is big, it is difficult to is integrated into instrumentation, is unsuitable for field measurement.Another kind of is the gal built with single-chip microcomputer
Horse energy disperse spectroscopy, current this kind of gamma spectrometer it is newest is integrated with liquid crystal and keyboard, it is easy to operate, have data acquisition, display,
With the basic function such as storage, but data-handling capacity is not strong, is not suitable with and carries out large data computing, can not meet site technology people
The needs of member, meanwhile, this kind of gamma spectrometer equally also increases in the module of the increased liquid crystal of conventional gamma energy disperse spectroscopy and keyboard
The volume and power consumption of instrument.
The content of the invention
In view of the above-mentioned deficiencies in the prior art, it is an object of the present invention to provide a kind of gamma spectrometer, the gamma spectrometer can
To solve the above problems well.
To reach above-mentioned requirements, the present invention adopts the technical scheme that：A kind of gamma spectrometer is provided, the gamma spectrometer
Including end of probe and long-range monitoring side；End of probe includes：Detecting module, including scintillation crystal array, optical fiber array and detector
Array, the receiving terminal of scintillation crystal array is close to gamma-ray source, and the exit end of scintillation crystal array is close to optical fiber array, flicker
Gamma ray is converted into visible ray by crystal array, and optical fiber array will be seen that light is guided to detector array, detector array and incite somebody to action
Visible ray is converted into electric signal；The output end connection of signal processing module, input and detector array, output end are adopted with data
The input connection of set analysis module, the electric signal for being exported to detector array carry out shaping enhanced processing；Data acquisition
Analysis module, it is connected with the output end of signal processing module, sampling analysis is carried out for the electric impulse signal after amplifying to shaping；
Temperature detecting module, for obtaining the temperature of residing working environment；Alarm module, for sending sound and light alarm；Wireless telecommunications mould
Block, for realizing the data transfer of end of probe and long-range monitoring side；Microprocessor, temperature detecting module and alarm module are carried out
Control, alarm module is controlled to be alarmed when temperature exceedes threshold value；To data collection and analysis module, signal processing module and nothing
Line communication module is controlled, for carrying out data processing and transmission；Long-range monitoring side includes visualization interface and has figure
Change the data processing software of function, data processing software includes nuclide identification module and radon gas content measurement module；Nuclide identification
Module is parsed using deconvolution technique algorithm to the result of data collection and analysis module, realizes the identification of nucleic；Radon gas
Content measurement module parses to the result of data collection and analysis module, calculates214Bi content, further according to214Bi
Content meter calculate the content of radon gas.
The gamma spectrometer has the advantage that as follows：
(1) end of probe and the long-range monitoring side being connected with detection end data are included, end of probe is mainly used in field survey, so
Sent after the data of detection are carried out into preliminary treatment afterwards to long-range monitoring side, complete further to parse by long-range monitoring side, it is real
The identification of existing nucleic；Therefore, end of probe greatly reduces the volume, weight and power consumption of instrument without display screen and keyboard；
(2) radon gas can decay into a short period of time214Bi,214Bi releases gamma ray, and the present invention is in long-range monitoring side
Increase radon gas content measurement module, the gamma ray that can be detected by end of probe calculates214Bi content, and pass through214Bi content back releases the content of radon gas, realizes the function of radon gas content measurement, expands the use range of the energy disperse spectroscopy；
(3) detection of the corresponding light guide of every scintillation crystal and the respective independent gamma ray of detector composition is led to
Road, every detection channels correspond to independent digital multiple tracks pulse processor, avoid the problem of pulse signal interferes.
Brief description of the drawings
Accompanying drawing described herein is used for providing further understanding of the present application, the part of the application is formed, at this
Same or analogous part, the schematic description and description of the application are represented using identical reference number in a little accompanying drawings
For explaining the application, the improper restriction to the application is not formed.In the accompanying drawings：
Fig. 1 schematically shows the structural representation of the gamma spectrometer according to the application one embodiment.
Embodiment
To make the purpose, technical scheme and advantage of the application clearer, below in conjunction with drawings and the specific embodiments, to this
Application is described in further detail.
In the following description, the reference to " one embodiment ", " embodiment ", " example ", " example " etc. shows
The embodiment or example so described can include special characteristic, structure, characteristic, property, element or limit, but not each real
Applying example or example all necessarily includes special characteristic, structure, characteristic, property, element or limit.In addition, reuse phrase " according to
One embodiment of the application " is not necessarily referring to identical embodiment although it is possible to refer to identical embodiment.
For the sake of simplicity, eliminate that well known to a person skilled in the art some technical characteristics in describing below.
According to one embodiment of the application, there is provided a kind of gamma spectrometer, as shown in figure 1, including end of probe and remotely
Monitoring side.
End of probe includes：Detecting module, including scintillation crystal array, optical fiber array and detector array, scintillation crystal battle array
The receiving terminal of row is close to gamma-ray source, and the exit end of scintillation crystal array is close to optical fiber array, and scintillation crystal array is by gamma
Ray is converted into visible ray, and optical fiber array will be seen that light is guided to detector array, and detector array will be seen that light is converted into electricity
Signal；The output end connection of signal processing module, input and detector array, output end are defeated with data collection and analysis module
Enter end connection, the electric signal for being exported to detector array carries out shaping enhanced processing；Data collection and analysis module, with signal
The output end connection of processing module, sampling analysis is carried out for the electric impulse signal after amplifying to shaping；Temperature detecting module, use
In the temperature of working environment residing for acquisition；Alarm module, for sending sound and light alarm；Wireless communication module, detected for realizing
End and the data transfer of long-range monitoring side；Microprocessor, temperature detecting module and alarm module are controlled, exceeded in temperature
Alarm module is controlled to be alarmed during threshold value；Data collection and analysis module, signal processing module and wireless communication module are carried out
Control, for carrying out data processing and transmission.
Long-range monitoring side includes visualization interface and the data processing software with graphical function, data processing software bag
Include nuclide identification module and radon gas content measurement module.Nuclide identification module is using deconvolution technique algorithm to data collection and analysis mould
The result of block is parsed, and realizes the identification of nucleic.
According to222Knowable to Rn decay scheme,222Rn is by alpha-decay first218Po, and 99.98%218Po can pass through α
Decay and be214Pb,214Pb passes through β-Decay and be214Bi,214Bi releases gamma ray, is detected by the end of probe of the gamma spectrometer
Arrive, radon gas content measurement module calculates according to the preliminary processing results of data collection and analysis module214Bi content；Due to whole
The process of individual decay happens quickly, so radon gas content measurement module can pass through214Bi content back is released222Rn's contains
Amount, realize the process of measurement radon gas content.
Scintillation crystal array by multiple scintillation crystals along two-dimension periodic arrangement form, the optical fiber array by with scintillation crystal
Identical more light guide is arranged along two-dimension periodic to be formed, and the detector array is by more detector edge two dimension identical with scintillation crystal
Space periodic arrangement composition.
Scintillation crystal array is arranged in shielding case, and scintillation crystal array periphery from inside to outside successively wrap up reflector layer,
Insulating barrier and lucifuge layer.Scintillation crystal is cesium iodide crystal.
End of probe also includes GPS module, and GPS module includes gps antenna and gps data processing module, gps data processing mould
Block one end is connected with gps antenna, and the other end is connected by serial ports with microprocessor.In terms of GPS measurements, microprocessor passes through string
Mouth sends instructions to GPS module, so as to control GPS module to work；Gps data processing module receives satellite data by gps antenna,
After inside modules processing unit processes data, the longitude and latitude and elevation location data of measuring point are obtained, is led to by microprocessor
Serial ports is crossed to read this data and be saved in Flash.
End of probe also includes low-tension supply module, low-tension supply module be 14V can rechargeable lithium battery repeatedly, for detection
The modules power supply at end.
Embodiment described above only represents the several embodiments of the present invention, and its description is more specific and detailed, but not
It is understood that as limitation of the scope of the invention.It should be pointed out that for the person of ordinary skill of the art, do not departing from
On the premise of present inventive concept, various modifications and improvements can be made, these belong to the scope of the present invention.Therefore this hair
Bright protection domain should be defined by the claim.
Claims (6)
1. a kind of gamma spectrometer, it is characterised in that including end of probe and long-range monitoring side；
End of probe includes：
Detecting module, including scintillation crystal array, optical fiber array and detector array, the receiving terminal of scintillation crystal array is close to gal
Gamma ray is converted into visible ray by horse radiographic source, the exit end of scintillation crystal array close to optical fiber array, scintillation crystal array,
Optical fiber array will be seen that light is guided to detector array, and detector array will be seen that light is converted into electric signal；
The output end connection of signal processing module, input and detector array, output end are defeated with data collection and analysis module
Enter end connection, the electric signal for being exported to detector array carries out shaping enhanced processing；
Data collection and analysis module, it is connected with the output end of signal processing module, for the electric impulse signal after amplifying to shaping
Carry out sampling analysis；
Temperature detecting module, for obtaining the temperature of residing working environment；
Alarm module, for sending sound and light alarm；
Wireless communication module, for realizing the data transfer of end of probe and long-range monitoring side；
Microprocessor, temperature detecting module and alarm module are controlled, control alarm module to enter when temperature exceedes threshold value
Row alarm；Data collection and analysis module, signal processing module and wireless communication module are controlled, for carrying out data processing
And transmission；
Long-range monitoring side includes visualization interface and the data processing software with graphical function, and data processing software includes core
Plain identification module and radon gas content measurement module；Nuclide identification module is using deconvolution technique algorithm to data collection and analysis module
Result is parsed, and realizes the identification of nucleic；Result of the radon gas content measurement module to data collection and analysis module
Parsed, calculated214Bi content, further according to214Bi content meter calculates the content of radon gas.
2. gamma spectrometer according to claim 1, it is characterised in that the scintillation crystal array is by multiple scintillation crystals
Arrange and form along two-dimension periodic, the optical fiber array is made up of more light guide identical with scintillation crystal along two-dimension periodic arrangement, institute
Detector array is stated to be made up of along the arrangement of two-dimensional space cycle more detector identical with scintillation crystal.
3. gamma spectrometer according to claim 1, it is characterised in that the scintillation crystal array is arranged on shielding case
It is interior, and reflector layer, insulating barrier and lucifuge layer are wrapped up in scintillation crystal array periphery successively from inside to outside.
4. according to the gamma spectrometer described in any claims of claim 1-3, it is characterised in that the scintillation crystal is cesium iodide
Crystal.
5. gamma spectrometer according to claim 1, it is characterised in that the end of probe also includes GPS module, GPS moulds
Block includes gps antenna and gps data processing module, and gps data processing module one end is connected with gps antenna, the other end with it is described
Microprocessor connects.
6. gamma spectrometer according to claim 1, it is characterised in that the end of probe also includes low-tension supply module,
Low-tension supply module is that 14V can rechargeable lithium battery repeatedly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710936930.1A CN107728193A (en) | 2017-10-10 | 2017-10-10 | A kind of gamma spectrometer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710936930.1A CN107728193A (en) | 2017-10-10 | 2017-10-10 | A kind of gamma spectrometer |
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| Publication Number | Publication Date |
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| CN107728193A true CN107728193A (en) | 2018-02-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710936930.1A Pending CN107728193A (en) | 2017-10-10 | 2017-10-10 | A kind of gamma spectrometer |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113466919A (en) * | 2021-07-09 | 2021-10-01 | 成都理工大学 | System and method for detecting radon concentration in atmosphere |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102236100A (en) * | 2010-04-26 | 2011-11-09 | 四川金核矿业有限公司 | Portable gamma spectrometer |
| CN203965630U (en) * | 2014-03-19 | 2014-11-26 | 新奥气化采煤有限公司 | A kind of emanometer |
| CN104730565A (en) * | 2015-03-10 | 2015-06-24 | 中国科学院上海光学精密机械研究所 | Ultrafast gamma ray energy disperse spectroscopy |
| CN105068108A (en) * | 2015-07-22 | 2015-11-18 | 成都理工大学 | Multifunctional neutron/gamma detector based on single probe |
| CN205749921U (en) * | 2016-05-10 | 2016-11-30 | 成都新核泰科科技有限公司 | Gamma spectrometer |
-
2017
- 2017-10-10 CN CN201710936930.1A patent/CN107728193A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102236100A (en) * | 2010-04-26 | 2011-11-09 | 四川金核矿业有限公司 | Portable gamma spectrometer |
| CN203965630U (en) * | 2014-03-19 | 2014-11-26 | 新奥气化采煤有限公司 | A kind of emanometer |
| CN104730565A (en) * | 2015-03-10 | 2015-06-24 | 中国科学院上海光学精密机械研究所 | Ultrafast gamma ray energy disperse spectroscopy |
| CN105068108A (en) * | 2015-07-22 | 2015-11-18 | 成都理工大学 | Multifunctional neutron/gamma detector based on single probe |
| CN205749921U (en) * | 2016-05-10 | 2016-11-30 | 成都新核泰科科技有限公司 | Gamma spectrometer |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113466919A (en) * | 2021-07-09 | 2021-10-01 | 成都理工大学 | System and method for detecting radon concentration in atmosphere |
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Application publication date: 20180223 |
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