CN109188488A - A kind of Micro Core radiation dose measurement device - Google Patents
A kind of Micro Core radiation dose measurement device Download PDFInfo
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- CN109188488A CN109188488A CN201811110561.1A CN201811110561A CN109188488A CN 109188488 A CN109188488 A CN 109188488A CN 201811110561 A CN201811110561 A CN 201811110561A CN 109188488 A CN109188488 A CN 109188488A
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- 230000005855 radiation Effects 0.000 title claims abstract description 54
- 238000005259 measurement Methods 0.000 title claims abstract description 22
- 238000006243 chemical reaction Methods 0.000 claims abstract description 19
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims abstract description 18
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 18
- 239000010703 silicon Substances 0.000 claims abstract description 18
- 238000012545 processing Methods 0.000 claims description 17
- 239000002184 metal Substances 0.000 claims description 4
- 229910052751 metal Inorganic materials 0.000 claims description 4
- 238000005265 energy consumption Methods 0.000 claims description 3
- 208000027418 Wounds and injury Diseases 0.000 abstract description 6
- 230000006378 damage Effects 0.000 abstract description 6
- 238000001514 detection method Methods 0.000 abstract description 6
- 208000014674 injury Diseases 0.000 abstract description 6
- 238000013461 design Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 7
- 238000004364 calculation method Methods 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 230000006698 induction Effects 0.000 description 2
- 210000001367 artery Anatomy 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 238000005025 nuclear technology Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000002285 radioactive effect Effects 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 210000003462 vein Anatomy 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01T—MEASUREMENT OF NUCLEAR OR X-RADIATION
- G01T1/00—Measuring X-radiation, gamma radiation, corpuscular radiation, or cosmic radiation
- G01T1/02—Dosimeters
- G01T1/026—Semiconductor dose-rate meters
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- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Physics & Mathematics (AREA)
- High Energy & Nuclear Physics (AREA)
- Molecular Biology (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Measurement Of Radiation (AREA)
Abstract
The invention discloses a kind of Micro Core radiation dose measurement devices, including detector and mobile terminal, detector includes photoelectric conversion sensor, preposition small signal amplifier and signal shaper, photoelectric conversion sensor, preposition small signal amplifier and signal shaper are sequentially connected, mobile terminal connects detector and carries out gamma-rays, X-ray radiation signal, pulse counter is equipped in mobile terminal inner cavity, the output signal of detector successively passes through preposition small signal amplifier and signal shaper, and then connect pulse counter, it is of the invention novel in design, it is easy to operate, it can be realized the detection to there is the possible place of radiation to carry out radiation signal, to reduce, people enter radiation place and cause unnecessary injury, PIN type silicon photo diode has response fast compared to conventional radiation detector, it is anti-interference, it is small in size, it is highly sensitive and The features such as without for bias high voltage.
Description
Technical field
The present invention relates to miniature nuclear radiation tech field more particularly to a kind of Micro Core radiation dose measurement devices.
Background technique
With the development of science and technology, nuclear energy and nuclear technology are constantly extended in the use scope of every field, radioactive ray
A possibility that endangering also is increasing simultaneously, how to detect environmental radiation dose locating for us how many, whether these radiation right
Human body has injury.
Existing radiation survey meter is a kind of micro device that can be used to measure ambient enviroment or object radiation dosage, is allowed to
To ambient enviroment or there may be the radiation intensity of radiogen precise knowledge, to enable a user to avoid those in time
The injury of our body not raying is protected in the biggish place of radiation intensity, this has the possible place of radiation for any
It is all needed with department, therefore the present invention provides a kind of Micro Core radiation dose measurement device.
Summary of the invention
That the purpose of the present invention is to solve radiation detector interference free performances in the prior art is poor, response is slow, spirit
The disadvantages of sensitivity is poor, and a kind of Micro Core radiation dose measurement device proposed.
To achieve the goals above, present invention employs following technical solutions:
A kind of Micro Core radiation dose measurement device, including detector and mobile terminal, the detector include that photoelectric conversion passes
Sensor, preposition small signal amplifier and signal shaper, the photoelectric conversion sensor, preposition small signal amplifier and signal are whole
Shape device is sequentially connected, and the mobile terminal connection detector carries out gamma-rays, X-ray radiation signal, the mobile terminal inner cavity
In be equipped with pulse counter, the output signal of the detector successively passes through preposition small signal amplifier and signal shaper, into
And pulse counter is connected, the photoelectric conversion sensor uses PIN type silicon photo diode, and photoelectric conversion sensor passes through gold
The mode that category film blocks visible light allows sensor not interfered by other light sources, it is ensured that PIN type silicon photo diode accurately connects
Receive gamma-rays, X-ray signal carries out photoelectric conversion convenient for back-end circuit identification.
Preferably, the mobile terminal uses android system.
Preferably, the mobile terminal uses IOS system.
Preferably, the mobile terminal connects detector by 3.5 earphone holes.
Preferably, the mobile terminal connects detector by TYPE-C interface.
Preferably, the signal shaper uses low voltage difference low energy-consumption electronic device, and detector is in 1.8V voltage 200uA electric current
When can run.
Preferably, the signal of the detector acquisition is connected in the A/D processing module in mobile terminal, described mobile whole
APP software in end reads the data in A/D processing module in real time, carries out corresponding decoding algorithm processing, final to realize radiation
Real-time counting, timer counter measurement result.
The beneficial effects of the present invention are: the present invention is novel in design, easy to operate, can be realized to there is the possible field of radiation
The detection of carried out radiation signal, to reduce, people enter radiation place and cause unnecessary injury.
PIN type silicon photo diode compared to conventional radiation detector have respond it is fast, anti-interference, small in size, highly sensitive and
The features such as without for bias high voltage, the output of PIN type silicon photo diode detector signal are passed by 3.5 earphone holes or TYPE-C interface
To mobile terminal processing, the A/D processing module and algorithm process of signal are all completed by the APP software inhouse of mobile terminal, real
Radiation dose measurement instrument miniaturization is showed, highly sensitive, quality-high and inexpensive popular consumer electronics instrument.
This device is eliminated the power supply system of traditional measurement instrument, A/D processing module, data using mobile terminal advantage and calculated
Method processing etc. hardware modules, make its more be widely used, and then can be convenient for people to use this device to avoid enter spoke
Penetrate place.
This device utilizes PIN type silicon photo diode radiation photoelectric effect principle when in use, when gamma-rays, X-ray pass through
After metal film wraps up lower PIN type silicon photo diode, detector can export a current pulse signal, which passes through
Preposition small signal amplifier and signal shaper, eventually by 3.5 earphone holes or TYPE-C interface by the sampling electricity of mobile terminal
Road acquisition process and signal identification.Since the current pulse signal that detector directly exports is very faint, so needing signal
Amplified by preposition small signal amplifier, the TLV9002 electric current sense of Texas Instrument is selected according to the characteristic of silicon photo diode
Type amplifier is answered, current signal can be amplified to the voltage signal of 100mv or so for back-end circuit through TLV9002 two-way amplifier
It screens.When reality measures dose of radiation, pulse signal is acquired by mobile terminal by included A/D conversion module
And timer counter.The APP software of mobile terminal needs to carry out digital filtering to signal by algorithm simultaneously and pulse frequency is extracted,
And pass through the calibration coefficient and calculation formula of detection efficient, radiation agent magnitude is finally calculated, the intuitive observed number of people is facilitated
Value to avoid radiation areas are entered, and causes unnecessary injury.
Detailed description of the invention
Fig. 1 is the principle of the present invention schematic block diagram.
Fig. 2 is the circuit diagram of detector of the present invention.
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.
Referring to Fig.1-2, a kind of Micro Core radiation dose measurement device, including detector and mobile terminal, detector include
Photoelectric conversion sensor, preposition small signal amplifier and signal shaper, mobile terminal are whole using android system or movement
End connects detector by 3.5 earphone holes or TYPE-C interface using IOS system, mobile terminal, this device utilizes mobile whole
End advantage eliminates the hardware modules such as the power supply system of traditional measurement instrument, A/D processing module, data algorithm processing, makes it more
Have a wide range of applications, so can be convenient for people to use this device to avoid enter radiation place.
Photoelectric conversion sensor, preposition small signal amplifier and signal shaper are sequentially connected, mobile terminal connection detection
Device carries out gamma-rays, X-ray radiation signal, is equipped with pulse counter in mobile terminal inner cavity, the output signal of detector is successively
By preposition small signal amplifier and signal shaper, and then pulse counter is connected, photoelectric conversion sensor uses PIN type silicon
Optical diode, and photoelectric conversion sensor allows sensor not interfered by other light sources in such a way that metal film blocks visible light,
Ensure that PIN type silicon photo diode accurately receives gamma-rays, X-ray signal carries out photoelectric conversion convenient for back-end circuit knowledge
Not, the TLV9002 electric current induction type amplifier of Texas Instrument, PIN type silicon photo diode are selected according to the characteristic of silicon photo diode
Have the characteristics that response is fast, anti-interference, small in size, highly sensitive and is not necessarily to for bias high voltage, PIN compared to conventional radiation detector
The output of type silicon photo diode detector signal reaches mobile terminal processing, the A/D of signal by 3.5 earphone holes or TYPE-C interface
Processing module and algorithm process are all completed by the APP software inhouse of mobile terminal, and it is small-sized to realize radiation dose measurement instrument
Change, highly sensitive, quality-high and inexpensive popular consumer electronics instrument.
Signal shaper uses low voltage difference low energy-consumption electronic device, and detector can be run in 1.8V voltage 200uA electric current.
The signal of detector acquisition is connected in the A/D processing module in mobile terminal, and the APP software in mobile terminal is real
When read data in A/D processing module, carry out corresponding decoding algorithm processing, the final real-time counting for realizing radiation, timing
Count measurement.
It is of the invention novel in design, it is easy to operate, it can be realized the detection to there is the possible place of radiation to carry out radiation signal,
To reduce, people enter radiation place and cause unnecessary injury.
Working principle: this device utilizes PIN type silicon photo diode radiation photoelectric effect principle when in use, when gamma-rays, X
Ray passes through under metal film wraps up after PIN type silicon photo diode, and detector can export a current pulse signal, the current impulse
Signal passes through preposition small signal amplifier and signal shaper, eventually by 3.5 earphone holes or TYPE-C interface by mobile terminal
Sample circuit acquisition process and signal identification.Since the current pulse signal that detector directly exports is very faint, so needing
Signal is amplified by preposition small signal amplifier, Texas Instrument is selected according to the characteristic of silicon photo diode
Current signal can be amplified to the voltage of 100mv or so through TLV9002 two-way amplifier by TLV9002 electric current induction type amplifier
Signal is screened for back-end circuit.When reality measures dose of radiation, mobile terminal passes through included A/D conversion module for arteries and veins
Signal is rushed to be acquired and timer counter.The APP software of mobile terminal needs to carry out digital filtering to signal by algorithm simultaneously
It is extracted with pulse frequency, and passes through the calibration coefficient and calculation formula of detection efficient, finally calculated radiation agent magnitude, facilitate people
Intuitive observation numerical value, to avoid radiation areas are entered.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Anyone skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (7)
1. a kind of Micro Core radiation dose measurement device, including detector and mobile terminal, it is characterised in that: the detector packet
Photoelectric conversion sensor, preposition small signal amplifier and signal shaper are included, the photoelectric conversion sensor, preposition small signal are put
Big device and signal shaper are sequentially connected, and the mobile terminal connection detector carries out gamma-rays, X-ray radiation signal, described
Pulse counter is equipped in mobile terminal inner cavity, the output signal of the detector successively passes through preposition small signal amplifier and letter
Number reshaper, and then pulse counter is connected, the photoelectric conversion sensor uses PIN type silicon photo diode, and photoelectric conversion
Sensor allows sensor not interfered by other light sources in such a way that metal film blocks visible light, it is ensured that PIN type silicon photo diode
Accurately receive gamma-rays, X-ray signal carries out photoelectric conversion convenient for back-end circuit identification.
2. a kind of Micro Core radiation dose measurement device according to claim 1, it is characterised in that: the mobile terminal is adopted
Use android system.
3. a kind of Micro Core radiation dose measurement device according to claim 1, it is characterised in that: the mobile terminal is adopted
With IOS system.
4. a kind of Micro Core radiation dose measurement device according to claim 1, it is characterised in that: the mobile terminal is logical
Cross 3.5 earphone holes connection detector.
5. a kind of Micro Core radiation dose measurement device according to claim 1, it is characterised in that: the mobile terminal is logical
Cross TYPE-C interface connection detector.
6. a kind of Micro Core radiation dose measurement device according to claim 1, it is characterised in that: the signal shaper
Using low voltage difference low energy-consumption electronic device, and detector can be run in 1.8V voltage 200uA electric current.
7. a kind of Micro Core radiation dose measurement device according to claim 1, it is characterised in that: the detector acquisition
Signal be connected in the A/D processing module in mobile terminal, the APP software in the mobile terminal read in real time A/D processing
Data in module carry out corresponding decoding algorithm processing, the final real-time counting for realizing radiation, timer counter measurement result.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811110561.1A CN109188488A (en) | 2018-09-21 | 2018-09-21 | A kind of Micro Core radiation dose measurement device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811110561.1A CN109188488A (en) | 2018-09-21 | 2018-09-21 | A kind of Micro Core radiation dose measurement device |
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| CN109188488A true CN109188488A (en) | 2019-01-11 |
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| CN201811110561.1A Pending CN109188488A (en) | 2018-09-21 | 2018-09-21 | A kind of Micro Core radiation dose measurement device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109884137A (en) * | 2019-03-25 | 2019-06-14 | 合肥安聚仪电科技有限公司 | High-precision micro air blowing type alcohol gas detector and its detection system |
| CN111596335A (en) * | 2020-05-26 | 2020-08-28 | 上海仁机仪器仪表有限公司 | Airborne pod radiation environment monitoring device |
| CN113311470A (en) * | 2021-05-27 | 2021-08-27 | 华能山东石岛湾核电有限公司 | Ionizing radiation measuring device and measuring method thereof |
| CN116893439A (en) * | 2023-09-11 | 2023-10-17 | 山西中辐核仪器有限责任公司 | Deepwater operation personal radiation dosimeter and early warning method |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109884137A (en) * | 2019-03-25 | 2019-06-14 | 合肥安聚仪电科技有限公司 | High-precision micro air blowing type alcohol gas detector and its detection system |
| CN109884137B (en) * | 2019-03-25 | 2024-02-06 | 合肥安聚仪电科技有限公司 | High-precision miniature blowing alcohol gas detector and detection system thereof |
| CN111596335A (en) * | 2020-05-26 | 2020-08-28 | 上海仁机仪器仪表有限公司 | Airborne pod radiation environment monitoring device |
| CN113311470A (en) * | 2021-05-27 | 2021-08-27 | 华能山东石岛湾核电有限公司 | Ionizing radiation measuring device and measuring method thereof |
| CN116893439A (en) * | 2023-09-11 | 2023-10-17 | 山西中辐核仪器有限责任公司 | Deepwater operation personal radiation dosimeter and early warning method |
| CN116893439B (en) * | 2023-09-11 | 2023-11-14 | 山西中辐核仪器有限责任公司 | Deepwater operation personal radiation dosimeter and early warning method |
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Application publication date: 20190111 |