CN104133236A - Portable multifunctional digital radiation inspection instrument - Google Patents
Portable multifunctional digital radiation inspection instrument Download PDFInfo
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- CN104133236A CN104133236A CN201410360570.1A CN201410360570A CN104133236A CN 104133236 A CN104133236 A CN 104133236A CN 201410360570 A CN201410360570 A CN 201410360570A CN 104133236 A CN104133236 A CN 104133236A
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Abstract
The invention relates to a portable multifunctional digital radiation inspection instrument which comprises a sodium iodide probe, a lanthanum bromide probe, a Geiger counter tube, a plastic scintillator probe, a BF3 probe, a multi-channel analyzer, a PDA and a computer host. The sodium iodide probe, the lanthanum bromide probe, the Geiger counter tube, the plastic scintillator probe and the BF3 probe are respectively connected to the multi-channel analyzer. The multi-channel analyzer is connected to the PDA and the computer host. The portable multifunctional digital radiation inspection instrument has the advantages of being simple in structure, small in size, convenient to carry, accurate and comprehensive in detection result and the like.
Description
[technical field]
The present invention relates to a kind of radiation logging, be specifically related to a kind of portable multi-function digital radiation logging, belong to radiation monitoring device technical field.
[background technology]
Radiation logging is for measuring the instrument of gamma-rays, x ray, alpha ray, β ray, neutron ray, not only can measure the intensity of above-mentioned several gamma ray activities, can also measure gamma-ray power spectrum, can carry out professional analysis of spectrum, and can automatically identify nucleic according to the nuclide library of adding, it can be widely used in:
Radiation safety detects: nuclear safety mechanism and customs's port article inspection, the examination of weapongrade material, nuclear accident radiation detection, nuclear matter identification.
Environmental radiation detects: physical environment detection, hospital environment safety monitoring, water quality/air monitering, waste monitoring, pollution monitoring, individual radiation dose detect.
Nuclear power station radiation detection: environmental monitoring, the detection of core workplace, nuclear leakage detection, nuclear waste monitoring.
Industrial nuclear Radiation monitoring: to using the monitoring of the processes such as nuclear material, nuclear facilities and workplace, scrap metal processing in commercial production, processing.
Yet, the radiation logging ubiquity complex structure of prior art, bulky, cost is high, carries comparatively inconvenience and testing result and is easily subject to many defects such as external interference.
Therefore, for solving the problems of the technologies described above, necessaryly provide a kind of portable multi-function digital radiation logging, to overcome described defect of the prior art.
[summary of the invention]
For addressing the above problem, the object of the present invention is to provide a kind of simple in structure, volume is little, easy to carry and testing result is comprehensive portable multi-function digital radiation logging accurately.
For achieving the above object, the technical scheme that the present invention takes is: a kind of portable multi-function digital radiation logging, and it comprises sodium iodide probe, lanthanum bromide probe, Geiger counter tube, plastic scintillant probe, BF3 probe, multichannel analyzer, PDA and host computer; Wherein, described sodium iodide probe, lanthanum bromide probe, Geiger counter tube, plastic scintillant probe, BF3 probe are connected to respectively on multichannel analyzer; Described multichannel analyzer is connected to respectively PDA and host computer.
Portable multi-function digital radiation logging of the present invention is further set to: described multichannel analyzer is connected to PDA by bluetooth, by USB or Ethernet, is connected to host computer.
Compared with prior art, the present invention has following beneficial effect:
1, portable multi-function digital radiation logging complete function of the present invention, can be used for measuring gamma-rays, x ray, alpha ray, β ray, neutron ray, has substantially contained the kind of the radioactive ray of needs measurements.
2, the integration technology of popping one's head in more.Portable multi-function digital radiation logging need to be measured gamma-rays, x ray, alpha ray, β ray, neutron ray etc., measure different particles and need different probes, at least need to change three kinds of probes: gamma-rays, a kind of probe of x ray, alpha ray, a kind of probe of β ray, a kind of probe of neutron ray.Different probes needs different high pressure and different amplifier magnification ratios, needs system identification probe automatically, and can automatically revise hardware parameter according to the difference of probe, is switched on corresponding control software.So need hardware-software system identification probe automatically, and can revise according to the difference of probe the enlargement factor of high pressure and amplifier.
3, the multichannel analyzer of portable multi-function digital radiation logging of the present invention is applicable to the various analysis of spectrums from low counting rate to high count rate, can with the scintillation detectors such as sodium iodide, cesium iodide, the semiconductor detectors such as PIPS, CZT, gold silicon surface barrier, HpGe, and the range detector such as BGO, plastic scintillant, proportional counter tube, neutron detector connects, form various spectrometer systems, can carry out the multiple energy spectrum analysiss such as gamma spectrum, alpha energy spectrum, β power spectrum, X-ray energy spectrum, neutron spectrum.
4, portable multi-function digital radiation logging of the present invention is easy to carry, simple to operate, and volume is little, little power consumption.
[accompanying drawing explanation]
Fig. 1 is the schematic diagram of portable multi-function digital radiation logging of the present invention.
Fig. 2 is the demonstration figure of portable multi-function digital radiation logging of the present invention when finding radioactive source pattern.
Fig. 3 is the demonstration figure of portable multi-function digital radiation logging of the present invention when nuclide identification pattern.
Fig. 4 is the demonstration figure of portable multi-function digital radiation logging of the present invention when spectral measurement pattern.
[embodiment]
Refer to shown in Figure of description 1, the present invention is a kind of portable multi-function digital radiation logging, and it is comprised of several parts such as sodium iodide probe 1, lanthanum bromide probe 2, Geiger counter tube 3, plastic scintillant probe 4, BF3 probe 5, multichannel analyzer 6, PDA7 and host computers 8.
Wherein, described sodium iodide probe 1, lanthanum bromide probe 2, Geiger counter tube 3, plastic scintillant probe 4, BF3 probe 5 are connected to respectively on multichannel analyzer 6.These probes are to become electric signal for a gamma-rays, x ray, alpha ray, β ray, neutron ray etc.Wherein, sodium iodide probe is mainly used to measure gamma-rays and x ray, and good resolution is in 8%, according to efficiency difference, has 3 inches, 2 inches, 1.5 inches optional.Lanthanum bromide probe is mainly used to measure gamma-rays and x ray, and good resolution is in 3.8%, according to the difference of resolution, has 2 inches, 1.5 inches, 1 inch optional.Geiger counter tube (GM pipe) is used for measuring high dose gamma-rays and x ray.Plastic scintillant probe is mainly used to measure alpha ray and β ray.BF3 probe is mainly used to measure neutron ray.
Described multichannel analyzer 6 is connected to respectively PDA7 and host computer 8, and it is used for the electric signal of probe conversion to become spectrum data.The energy of radioactive particle is directly proportional with the quantity of electric charge producing in probe, and then is directly proportional to the voltage of electric signal.The radioactive intensity of radioactive particle is directly proportional to the number of signals detecting in the probe unit interval.The basic effect of signal acquiring system will be measured energy and the quantity of radioactive particle, i.e. power spectrum exactly accurately.The horizontal ordinate of described multichannel analyzer 6 is location, represents the energy of radioactive particle, and ordinate is counting rate, represents the intensity of radioactive particle.Multichannel analyzer is equivalent to a ruler of measuring particle energy, the quality key of ruler aspect three, the one, the segmentation degree of scale, also just how many parts of certain energy range segmentation; The 2nd, the degree of uniformity of scale, generally weighs with differential linearity and integral linearity; The 3rd, average counter rate, average counter rate is higher, illustrates that the time of measurement single particle needs is fewer, can survey the radioactivity that intensity is higher.
Described multichannel analyzer 6 is connected to PDA by bluetooth, by USB or Ethernet, is connected to host computer.Specifically, multichannel analyzer 6 becomes radioactive particle information after spectrum data, adopts PDA6 to show, data are transferred to PDA through bluetooth radio module.Simultaneously, in order to facilitate professional person to compose processing and the analysis of data, portable multi-function digital radiation logging of the present invention can also be given host computer data transmission through dedicated ethernet interface or USB interface, by professional software Treatment Analysis spectrum data.
Portable multi-function digital radiation logging of the present invention mainly contains three kinds of mode of operations: find radioactive source pattern, nuclide identification pattern, spectral measurement pattern.
1. find radioactive source pattern, be mainly used for finding radioactive source, it mainly monitors radiopharmaceutical agent dose rate, when radiopharmaceutical agent dose rate surpasses the threshold value of setting, and the warning of sounding, color is reddened by green simultaneously.Show to find radioactive source (as shown in Figure 2).
2. nuclide identification pattern, when seeking source module and find radioactive source, is switched to nuclide identification pattern, and can identify is which kind of radioactive nuclide (nucleic of listing in the nuclide identification storehouse of choosing).Find corresponding nucleic, corresponding region can mark out with different colours; The nucleic not finding, shows grey (as shown in Figure 3).
3. spectral measurement pattern: after starting to gather, can measure gamma spectra.Carry out energy spectrum analysis simultaneously, offer professional user.The spectrum data of preserving can also send computer (as shown in Figure 4) to by synchronous data line.
Above embodiment is only the preferred embodiment of this creation, not in order to limit this creation, any modification of making, is equal to replacement, improvement etc., within all should being included in the protection domain of this creation within all spirit in this creation and principle.
Claims (2)
1. a portable multi-function digital radiation logging, is characterized in that: comprise sodium iodide probe, lanthanum bromide probe, Geiger counter tube, plastic scintillant probe, BF3 probe, multichannel analyzer, PDA and host computer; Wherein, described sodium iodide probe, lanthanum bromide probe, Geiger counter tube, plastic scintillant probe, BF3 probe are connected to respectively on multichannel analyzer; Described multichannel analyzer is connected to respectively PDA and host computer.
2. portable multi-function digital radiation logging as claimed in claim 1, is characterized in that: described multichannel analyzer is connected to PDA by bluetooth, by USB or Ethernet, is connected to host computer.
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| CN201410360570.1A CN104133236A (en) | 2014-07-24 | 2014-07-24 | Portable multifunctional digital radiation inspection instrument |
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| CN201410360570.1A CN104133236A (en) | 2014-07-24 | 2014-07-24 | Portable multifunctional digital radiation inspection instrument |
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Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104833391A (en) * | 2015-04-13 | 2015-08-12 | 北京华泰诺安科技有限公司 | Mode converting system and mode converting method of nuclear biochemical sensor |
| CN105158787A (en) * | 2015-06-03 | 2015-12-16 | 南京航空航天大学 | Dose rate detector and dose rate detection method |
| CN105841750A (en) * | 2016-06-13 | 2016-08-10 | 成都新核泰科科技有限公司 | Radioactive source emergency detection robot |
| CN106094001A (en) * | 2016-06-13 | 2016-11-09 | 成都新核泰科科技有限公司 | Radioactive source is met an urgent need robot |
| CN106093996A (en) * | 2016-06-13 | 2016-11-09 | 成都新核泰科科技有限公司 | The emergent robot of radioactive source detection |
| CN106125122A (en) * | 2016-06-13 | 2016-11-16 | 成都新核泰科科技有限公司 | Highfield radiation detecting system |
| CN106123950A (en) * | 2016-06-13 | 2016-11-16 | 成都新核泰科科技有限公司 | Emergent robot probe's system |
| CN106125124A (en) * | 2016-06-13 | 2016-11-16 | 成都新核泰科科技有限公司 | Emergent robot system |
| CN106125119A (en) * | 2016-06-13 | 2016-11-16 | 成都新核泰科科技有限公司 | Radioactive source is met an urgent need sniffing robot detection system |
| CN108267774A (en) * | 2017-12-29 | 2018-07-10 | 中国船舶重工集团公司第七八研究所 | A kind of portable radioactivity detector |
| CN109901215A (en) * | 2019-03-05 | 2019-06-18 | 中国辐射防护研究院 | One kind being based on high purity germanium detector gamma source item measuring device |
| 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 |
| CN111746722A (en) * | 2020-07-10 | 2020-10-09 | 国家海洋技术中心 | Nuclear emergency floating and submerged buoy radioactivity monitoring system and monitoring method |
| CN112485820A (en) * | 2020-11-19 | 2021-03-12 | 中国核动力研究设计院 | Intelligent multi-channel processing display unit suitable for radiation monitoring system |
| CN113484895A (en) * | 2021-05-25 | 2021-10-08 | 中国工程物理研究院材料研究所 | Alpha surface pollution detector and detection method for high radon background |
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Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104833391A (en) * | 2015-04-13 | 2015-08-12 | 北京华泰诺安科技有限公司 | Mode converting system and mode converting method of nuclear biochemical sensor |
| CN104833391B (en) * | 2015-04-13 | 2017-09-29 | 北京华泰诺安探测技术有限公司 | The mode change system and its mode conversion method of one seed nucleus biochemical sensor |
| CN105158787A (en) * | 2015-06-03 | 2015-12-16 | 南京航空航天大学 | Dose rate detector and dose rate detection method |
| CN105158787B (en) * | 2015-06-03 | 2018-06-05 | 南京航空航天大学 | A kind of dosage rate detector and dosage rate detection method |
| CN106125119A (en) * | 2016-06-13 | 2016-11-16 | 成都新核泰科科技有限公司 | Radioactive source is met an urgent need sniffing robot detection system |
| CN106125122A (en) * | 2016-06-13 | 2016-11-16 | 成都新核泰科科技有限公司 | Highfield radiation detecting system |
| CN106123950A (en) * | 2016-06-13 | 2016-11-16 | 成都新核泰科科技有限公司 | Emergent robot probe's system |
| CN106125124A (en) * | 2016-06-13 | 2016-11-16 | 成都新核泰科科技有限公司 | Emergent robot system |
| CN106093996A (en) * | 2016-06-13 | 2016-11-09 | 成都新核泰科科技有限公司 | The emergent robot of radioactive source detection |
| CN106094001A (en) * | 2016-06-13 | 2016-11-09 | 成都新核泰科科技有限公司 | Radioactive source is met an urgent need robot |
| CN105841750A (en) * | 2016-06-13 | 2016-08-10 | 成都新核泰科科技有限公司 | Radioactive source emergency detection robot |
| CN108267774A (en) * | 2017-12-29 | 2018-07-10 | 中国船舶重工集团公司第七八研究所 | A kind of portable radioactivity detector |
| CN109901215A (en) * | 2019-03-05 | 2019-06-18 | 中国辐射防护研究院 | One kind being based on high purity germanium detector gamma source item measuring device |
| 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 |
| CN111746722A (en) * | 2020-07-10 | 2020-10-09 | 国家海洋技术中心 | Nuclear emergency floating and submerged buoy radioactivity monitoring system and monitoring method |
| CN112485820A (en) * | 2020-11-19 | 2021-03-12 | 中国核动力研究设计院 | Intelligent multi-channel processing display unit suitable for radiation monitoring system |
| CN113484895A (en) * | 2021-05-25 | 2021-10-08 | 中国工程物理研究院材料研究所 | Alpha surface pollution detector and detection method for high radon background |
| CN113484895B (en) * | 2021-05-25 | 2023-07-28 | 中国工程物理研究院材料研究所 | Alpha surface pollution detector and detection method for high radon background |
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Application publication date: 20141105 |