CN206671573U - A kind of dose of radiation survey monitor based on mobile Internet - Google Patents
A kind of dose of radiation survey monitor based on mobile Internet Download PDFInfo
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- CN206671573U CN206671573U CN201720407129.3U CN201720407129U CN206671573U CN 206671573 U CN206671573 U CN 206671573U CN 201720407129 U CN201720407129 U CN 201720407129U CN 206671573 U CN206671573 U CN 206671573U
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- radiation
- photodiode
- dose
- probe body
- plastic scintillant
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Abstract
It the utility model is related to technical field of nuclear radiation measurement, a kind of dose of radiation survey monitor based on mobile Internet is provided, including detector and smart mobile phone, the detector is by plastic scintillant, probe body, photodiode, amplifying circuit forms, the probe body is hemispherical, plating indium sesquioxide reflector layer on the inside of probe body, the plastic scintillant is hemispherical, plastic scintillant and probe body form overall through hot melt, the plastic scintillant is connected with photodiode, photodiode is connected with amplifying circuit, the output end of amplifying circuit is connected to the 3.5mm earphone interfaces of smart mobile phone.The utility model utilizes mobile Internet data storage, the convenience for uploading and managing concentratedly, validity of the conventional radiation monitor in performing environment background patrols work is improved, while improves conventional radiation monitor in the measurement accuracy under the conditions of low dose rate, the energy linearity under low energy gamma radiation environment.
Description
Technical field
It the utility model is related to technical field of nuclear radiation measurement, and in particular to a kind of dose of radiation based on mobile Internet
Survey monitor, technical support can be provided for environmental background radiation fast investigation and factories and miness area radiation regular visit.
Background technology
With China's nuclear energy and the fast development of Application of Nuclear Technology, the public and staff's radiation safety problem are increasingly prominent
Go out.Product currently used for daily Radiation monitoring is mainly concentrated using fixed installation mode, such as state of Chinese Ministry of Environmental Protection control point or nuclear power
Factory's Radiation monitoring instrument etc., it can only react the dose level of radiation of instrument installation region.
For patrolling the portable radiant dosage test instrumentation data storage of survey and transmitting frequently with exclusive data reading device,
Waste time and energy, poor in timeliness, also do not possess positioning function.
From the point of view of the selection of type photodetector, the detector such as conventional high-pressure ionization chamber, GM counting tubes realizes environmental radiation
The measurement of dosage（Air kerma）.Because high-pressure ionization chamber or GM counting tube density are greater than dry air, and its is resistance to
Pressure metal shell can affect to measurement, cause detector energy to respond deviation from linearity up to 20%, it is necessary to complicated
Energy response compensates and test, detector uniformity can also be influenceed by certain.
The content of the invention
The purpose of this utility model is exactly to overcome above-mentioned deficiency of the prior art, there is provided one kind is based on mobile interchange
The dose of radiation survey monitor of net, the convenience for storing, uploading and managing concentratedly using mobile Internet data, improve conventional radiation
Validity of the monitor in performing environment background patrols work.Conventional radiation monitor is improved under the conditions of low dose rate simultaneously
Measurement accuracy, the energy linearity under low energy gamma radiation environment, detector is designed into one kind can directly give human body electricity
From the Radiation monitoring instrument of radiation dose equivalent.
The purpose of this utility model is achieved by the following technical measures：A kind of radiation agent based on mobile Internet
Measure survey monitor, including detector and smart mobile phone, the detector by plastic scintillant, probe body, photodiode, put
Big circuit composition, the probe body is hemispherical, plating indium sesquioxide reflector layer, the plastics on the inside of probe body
Scintillator is hemispherical, and plastic scintillant and probe body form overall, the plastic scintillant and the pole of photoelectricity two through hot melt
Pipe is connected, and photodiode is connected with amplifying circuit, and the 3.5mm earphones that the output end of amplifying circuit is connected to smart mobile phone connect
Mouthful.Carry out pulse collection and analysis using smart mobile phone sound card, by impulse amplitude ＞ 0.2V, pulsewidth the μ s of 0.5 μ s ~ 2.0 arteries and veins
Rush in row counting statistics.
In the above-mentioned technical solutions, the plastic scintillant diameter 50mm.
In the above-mentioned technical solutions, the probe body is polytetrafluoroethylene (PTFE) shell, internal diameter 50mm, wall thickness 0.4mm, outside
5 μ m-thick indium sesquioxide reflector layers of evaporation on the inside of shell.
In the above-mentioned technical solutions, the detector uses 2 No. 5 AA battery powereds of section.
In the above-mentioned technical solutions, survey monitor is shown using mobile phone location information to inspection result progress map mode, hand
Machine software location information and measurement result carry out the machine preservation and upload server, realize the centralized management of data, while software
The input of detector numbering, calibration factor input, Hp are provided（0.07）And Hp（10）The users such as amendment option, temperature adjustmemt input connect
Mouthful, measurement result can import computer preservation, and can be uploaded to background server by mobile network.
The utility model is first by Calculation Software of Monte Carlo Simulation（Geant4, MCNP etc.）The energy of detector is rung
Should（Counting rate-personal dose equivalent）Simulation calculating is carried out, obtains Hp（0.07）And Hp（10）Correction factor, while to detection
Efficiency carries out simulation calculating so that under the conditions of 0.1 μ Gy/h, counting rate >=20cps.Then detector output signal is carried out
Filter and amplification, and utilize mobile phone 3.5mm earphone interfaces（MIC ports）Input utilizes the audio frequency process of mobile phone into smart mobile phone
Hardware and special-purpose software are analyzed and calculated to input pulse signal, obtain personal dose equivalent numerical value.The utility model is created
It is new to make use of smart mobile phone to be handled detector output signal and data storage and upload, and utilize mobile phone location information
Map mode is carried out to inspection result to show, significantly reduces workload derived from artificial data, and is advantageous to big data analysis,
Measurement result is transferred at any time for environmentally friendly supervision department.The utility model instead of conventional detection of gas using plastic scintillant
Device, air kerma is reduced to the conversion error of personal dose equivalent, directly exports personal dose equivalent.Because plastics dodge
Bright bulk detector using plating indium sesquioxide reflector layer in polytetrafluoroethylene (PTFE) shell, therefore can incite somebody to action without pressure tight metal shell
Energy measurement lower limit is reduced to 20keV, better than the 40keV energy measurement lower limits of high-pressure ionization chamber.Used due to detector
Plastic scintillant, its density and human body substantially close to, therefore in equivalent personal dose equivalent, its energy response maximum deviation
≤10%（20keV ~ 1.5MeV ,@662keV）, better than 20% energy response deviation of high-pressure ionization chamber.Detector uses hemisphere
Shape designs, and angular response deviation is less than 5% in 0 ~ 2 π solid angles.All technical is satisfied by or the recommendation better than GB/T12162
Value, the characteristics of being provided simultaneously with compact power saving, can continuously work 10h.
Brief description of the drawings
Fig. 1 is the structural representation of the utility model survey monitor.
Wherein：1. probe body, 2. reflector layers, 3. plastic scintillants, 4. photodiodes, 5. amplifying circuits
Plate, 6. supplying cells, 7. plastic casings, 8. smart mobile phones.
Embodiment
Below in conjunction with accompanying drawing, the technical scheme in the utility model is clearly and completely described.
The present embodiment provides a kind of dose of radiation survey monitor based on mobile Internet, including detector and smart mobile phone,
The detector is made up of plastic scintillant, probe body, photodiode, amplifying circuit, and the probe body is in half
Spherical, plating indium sesquioxide reflector layer on the inside of probe body, the plastic scintillant is hemispherical, plastic scintillant and spy
Survey device shell and form entirety through hot melt, the plastic scintillant is connected with photodiode, photodiode and amplifying circuit phase
Even, the output end of amplifying circuit is connected to the 3.5mm earphone interfaces of smart mobile phone.
As shown in figure 1, the device is implemented as follows：
（1）A hemispherical probe body 1 is processed first by polytetrafluoroethylene (PTFE), internal diameter 50mm, wall thickness 0.4mm are interior
5 μ m-thick indium sesquioxide reflector layers 2 are deposited in side.
（2）Diameter 50mm plastic scintillant 3 is incorporated in the reflective shell of hemispherical using the method for hot melt, and to printing opacity
Face is polished grinding process.
（3）Photodiode 4 and plastic scintillant 3 are pasted using optical cement, then by photodiode and modeling
Material scintillator is welded on magnification circuit plate 5, and is fitted into plastic casing 7, while installs supplying cell 6.Detector uses 2 sections
No. 5 AA battery powereds.
（4）The output end of detector amplifying circuit is connected to the 3.5mm earphone interfaces of smart mobile phone 8.Smart mobile phone is soft
Part is analyzed by the pulse inputted to MIC ports, and the pulse of impulse amplitude ＞ 0.2V, pulsewidth in the μ s of 0.5 μ s ~ 2.0 is entered
Row counting statistics, recorded in the form of counting rate per second.
（5）Count rate measurement is multiplied by software with parameters, obtains personal dose equivalent value.Relevant parameter bag
Include factory calibration coefficient, Hp（0.07）Or Hp（10）Correction term, temperature correction factor etc..
（6）Measurement result carries out 3s average modes and exported, and is recorded in mobile phone EMS memory, is positioned in combination with mobile phone
Function, measurement result is shown with map view, measurement result and location information upload background server and stored in real time.
The content not being described in detail in this specification, belong to prior art known to those skilled in the art.
Claims (4)
1. a kind of dose of radiation survey monitor based on mobile Internet, it is characterized in that：Including detector and smart mobile phone, the spy
Survey device to be made up of plastic scintillant, probe body, photodiode, amplifying circuit, the probe body is hemispherical, visits
Plating indium sesquioxide reflector layer on the inside of device shell is surveyed, the plastic scintillant is hemispherical, outside plastic scintillant and detector
Shell forms entirety through hot melt, and the plastic scintillant is connected with photodiode, and photodiode is connected with amplifying circuit, amplification
The output end of circuit is connected to the 3.5mm earphone interfaces of smart mobile phone.
2. the dose of radiation survey monitor according to claim 1 based on mobile Internet, it is characterized in that：The Plastic scintillation
Body diameter 50mm.
3. the dose of radiation survey monitor according to claim 1 based on mobile Internet, it is characterized in that：Outside the detector
Shell is polytetrafluoroethylene (PTFE) shell, and internal diameter 50mm, wall thickness 0.4mm, 5 μ m-thick indium sesquioxide reflector layers are deposited in shell inner side.
4. the dose of radiation survey monitor according to claim 1 based on mobile Internet, it is characterized in that：The detector makes
With 2 No. 5 AA battery powereds of section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720407129.3U CN206671573U (en) | 2017-04-18 | 2017-04-18 | A kind of dose of radiation survey monitor based on mobile Internet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720407129.3U CN206671573U (en) | 2017-04-18 | 2017-04-18 | A kind of dose of radiation survey monitor based on mobile Internet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206671573U true CN206671573U (en) | 2017-11-24 |
Family
ID=60372489
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720407129.3U Expired - Fee Related CN206671573U (en) | 2017-04-18 | 2017-04-18 | A kind of dose of radiation survey monitor based on mobile Internet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206671573U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109143309A (en) * | 2018-09-07 | 2019-01-04 | 宁波虔东科浩光电科技有限公司 | A kind of coupling process of photodiode and scintillator material |
| CN111624642A (en) * | 2020-06-01 | 2020-09-04 | 黑龙江省科学院技术物理研究所 | Nuclear medicine diagnosis and treatment area radiation dose intelligent detection terminal and method thereof |
-
2017
- 2017-04-18 CN CN201720407129.3U patent/CN206671573U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109143309A (en) * | 2018-09-07 | 2019-01-04 | 宁波虔东科浩光电科技有限公司 | A kind of coupling process of photodiode and scintillator material |
| CN109143309B (en) * | 2018-09-07 | 2020-07-10 | 宁波虔东科浩光电科技有限公司 | Coupling method of photodiode and scintillator material |
| CN111624642A (en) * | 2020-06-01 | 2020-09-04 | 黑龙江省科学院技术物理研究所 | Nuclear medicine diagnosis and treatment area radiation dose intelligent detection terminal and method thereof |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171124 Termination date: 20190418 |
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| CF01 | Termination of patent right due to non-payment of annual fee |