CN113050145B - Radiation dose detection system and method - Google Patents
Radiation dose detection system and method Download PDFInfo
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- CN113050145B CN113050145B CN202110169292.1A CN202110169292A CN113050145B CN 113050145 B CN113050145 B CN 113050145B CN 202110169292 A CN202110169292 A CN 202110169292A CN 113050145 B CN113050145 B CN 113050145B
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Abstract
The invention relates to the technical field of radiation dose detection, in particular to a radiation dose detection system and a radiation dose detection method. It comprises the following steps of radiation dose detection: detecting the X-ray irradiation dose received by the irradiation dose detection card; radiation dose early warning: and judging whether the X-ray irradiation dose received by the irradiation dose detection card is within a set irradiation dose detection threshold value. The invention uses the environment radiation dose detection unit to detect the X-ray radiation dose received by the radiation dose detection card in the environment, and displays the monitored numerical value through the display screen, thereby quantifying on a qualitative basis, combining the two, and in addition, the dose threshold setting module is used for adjusting the alarm threshold so as to adapt to the alarm threshold of different radiation doses, thus solving the problem of inflexible adjustment of the threshold.
Description
Technical Field
The invention relates to the technical field of radiation dose detection, in particular to a radiation dose detection system and a radiation dose detection method.
Background
The irradiation technology is to adopt high-energy rays, wherein the high-energy rays comprise gamma rays, electron beams and X rays, and the irradiation treatment is carried out on foods, medical supplies, chemical materials and three wastes through the high-energy rays so as to realize the purposes of product preservation, disinfection and modification. It has the advantages of no temperature rise, no environmental pollution, no preservative residue, rapidness, no need of opening package, convenient industrialized production, etc. In radiation processing production, product radiation quality control is realized through monitoring of radiation dose values.
At present, many radiation display instruments can only perform qualitative and quantitative treatment on radiation dose, and setting of a threshold value is very inflexible and tracing and sharing of data are not possible.
Disclosure of Invention
The present invention is directed to a radiation dose detection system and method, which solve the above-mentioned problems.
In order to achieve the above object, the present invention provides a radiation dose detection method, comprising the following method steps:
s1.1, radiation dose detection: detecting the X-ray irradiation dose received by the irradiation dose detection card;
s1.2, radiation dose early warning: judging whether the X-ray irradiation dose received by the irradiation dose detection card is within a set irradiation dose detection threshold value or not, and if not, carrying out alarm prompt by a detection system and storing alarm information;
s1.3, monitoring environmental radiation: monitoring the radiation dose value in the environment in real time, and displaying the environment radiation value by utilizing a display screen;
s1.4, early warning of environmental radiation: judging whether the real-time monitored environmental radiation value is within a set threshold value, wherein the environmental radiation dose threshold value is expressed as the following unit
The settable maximum value is not more than 2.5, if not, the detection system carries out alarm prompt and stores alarm information;
s1.5, data sharing: the X-ray blood irradiator and the detection system are utilized to share data, wherein the X-ray blood irradiator adopts RS 3400X, and a bar code on an irradiation dose detection card is utilized to coordinate with data for tracing, and then a unified tracing report is generated.
As a further improvement of the technical scheme, the data tracing method in S1.5 comprises the following steps:
s1.5.1, scanning the bar code on the irradiation dose detection card by using a code scanner;
s1.5.2, uploading the scanned radiation dose detection card data to a detection system.
The second object of the present invention is to provide an irradiation dose detection system, which comprises the irradiation dose detection method according to any one of the above, and comprises an environmental irradiation dose detection unit, an irradiation dose early warning unit and a data sharing unit; the environment irradiation dose detection unit is used for detecting the X-ray irradiation dose received by the irradiation dose detection card in the environment and displaying the monitored numerical value through the display screen; the irradiation dose early warning unit is used for judging whether the X-ray irradiation dose received by the irradiation dose detection card is within a set irradiation dose detection threshold value; the data sharing unit is used for carrying out data sharing on the data in the detection system.
As a further improvement of the technical scheme, the environmental radiation dose detection unit comprises a high-energy radiation acquisition module, a radiation measurement module and a data transmission module; the high-energy radiation acquisition module is used for acquiring X rays on the irradiation dose detection card; the radiation measurement module is used for measuring the X-rays acquired by the high-energy radiation acquisition module; the data transmission module is used for transmitting the measurement data to the irradiation dose early-warning unit.
As a further improvement of the technical scheme, the irradiation dose early-warning unit comprises a dose threshold setting module, a data processing module and an alarm module; the dose threshold setting module is used for setting an alarm threshold of irradiation dose; the data processing module is used for receiving the measurement data transmitted by the data transmission module, comparing the value of the measurement data with a threshold value, judging whether the value of the measurement data is within the threshold value, if not, converting the comparison value into an electric signal by using a digital-to-analog converter, transmitting the electric signal to the alarm module, and alarming by using an audible-visual alarm of the alarm module, thereby achieving the aim of early warning.
As a further improvement of the technical scheme, the environment sampling method of the high-energy radiation acquisition module is as follows:
s2.1, determining the sample volume of the irradiation dose in the environment;
s2.2, determining the minimum sampling amount.
As a further improvement of the technical scheme, the irradiation dose in the environment in S2.1 conforms to a normal distribution, and the formula of the normal distribution is as follows:
s is the sample detection standard deviation of X rays; t is the sample volume of the irradiation dose in the environment;
is a normal distribution factor.
As a further improvement of the present technical solution, the sample volume of the irradiation dose in the environment includes an analysis sample and a standby sample.
As a further improvement of the technical scheme, the radiation dose measuring method in the X-ray of the radiation measuring module comprises the following steps:
s3.1, the ion chamber probe and the irradiation dose detection card are simultaneously placed in an X-ray field for irradiation, and the irradiation dose is controlled to be not more than 50Gy;
s3.2, recording the reading of the ion chamber dosimeter;
s3.3, detecting the irradiation dose after irradiating the irradiation dose detection card, and recording a dose value.
As a further improvement of the technical scheme, the calculation formula of the reading error of the ion chamber dosimeter in S3.2 is as follows:
δR＝[(R ａ -R b )/R ａ ]·100％；
wherein δR is a reading error; r is R a Reading an ion chamber dosimeter; r is R b Is the dose value.
Compared with the prior art, the invention has the beneficial effects that: the environment radiation dose detection unit is used for detecting the X-ray radiation dose received by the radiation dose detection card in the environment, and the monitored numerical value is displayed through the display screen, so that the quantitative detection unit and the quantitative detection unit are quantified on a qualitative basis, the quantitative detection unit and the quantitative detection unit are combined, in addition, the dose threshold setting module is used for adjusting the alarm threshold so as to adapt to the alarm threshold of different radiation doses, and the problem that the threshold adjustment is inflexible is solved.
Drawings
FIG. 1 is an overall flow chart of the present invention;
FIG. 2 is a flowchart illustrating steps of a data tracing method according to the present invention;
FIG. 3 is a block diagram of a radiation dose detection system of the present invention;
FIG. 4 is a block diagram of an ambient radiation dose detection unit of the present invention;
fig. 5 is a block diagram of an irradiation dose early warning unit according to the present invention.
100. An environmental irradiation dose detection unit; 110. a high energy radiation acquisition module; 120. a radiation measurement module; 130. a data transmission module;
200. an irradiation dose early warning unit; 210. a dose threshold setting module; 220. a data processing module; 230. an alarm module;
300. and a data sharing unit.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-5, the present invention provides a technical solution:
the invention provides a radiation dose detection method, which comprises the following steps:
s1.1, radiation dose detection: detecting the X-ray irradiation dose received by the irradiation dose detection card;
s1.2, radiation dose early warning: judging whether the X-ray irradiation dose received by the irradiation dose detection card is within a set irradiation dose detection threshold value or not, and if not, carrying out alarm prompt by a detection system and storing alarm information;
s1.3, monitoring environmental radiation: monitoring the radiation dose value in the environment in real time, and displaying the environment radiation value by utilizing a display screen;
s1.4, early warning of environmental radiation: judging whether the real-time monitored environmental radiation value is within a set threshold value, wherein the environmental radiation dose threshold value is expressed as the following unit
The settable maximum value is not more than 2.5, if not, the detection system carries out alarm prompt and stores alarm information;
s1.5, data sharing: the X-ray blood irradiator and the detection system are utilized to share data, wherein the X-ray blood irradiator adopts RS 3400X, and a bar code on an irradiation dose detection card is utilized to coordinate with data for tracing, and then a unified tracing report is generated.
In addition, the data tracing method in S1.5 comprises the following steps:
s1.5.1, scanning the bar code on the irradiation dose detection card by using a code scanner;
s1.5.2, uploading the scanned radiation dose detection card data to a detection system.
The second object of the present invention is to provide an irradiation dose detection system, including the irradiation dose detection method of any one of the above, including an environmental irradiation dose detection unit 100, an irradiation dose early warning unit 200, and a data sharing unit 300; the environmental radiation dose detection unit 100 is used for detecting the X-ray radiation dose received by the radiation dose detection card in the environment; the radiation dose early warning unit 200 is used for judging whether the X-ray radiation dose received by the radiation dose detection card is within a set radiation dose detection threshold; the data sharing unit 300 is used for sharing data in the detection system.
Specifically, the ambient radiation dose detection unit 100 includes a high energy radiation collection module 110, a radiation measurement module 120, and a data transmission module 130; the high-energy radiation acquisition module 110 is used for acquiring the X-rays on the irradiation dose detection card; the radiation measurement module 120 is configured to measure the X-rays collected by the high-energy radiation collection module 110; the data transmission module 130 is used for transmitting the measurement data to the radiation dose pre-warning unit 200.
In addition, the radiation dose pre-warning unit 200 includes a dose threshold setting module 210, a data processing module 220, and an alarm module 230; the dose threshold setting module 210 is configured to set an alarm threshold for the irradiation dose; the data processing module 220 is configured to receive the measurement data transmitted by the data transmission module 130, compare the value of the measurement data with a threshold, determine whether the value of the measurement data is within the threshold, and if not, convert the comparison value into an electrical signal by using a digital-to-analog converter, transmit the electrical signal to the alarm module 230, and alarm by using an audible-visual alarm of the alarm module 230, thereby achieving the purpose of early warning.
It is worth noting that the irradiation dose detection threshold is set as: 25Gy-50Gy; the method comprises the steps of respectively detecting radiation dose detection cards with radiation doses lower than a set threshold lower limit by using a detection system, wherein the radiation doses are respectively 0-5Gy,10-15Gy,20-25Gy, and radiation dose detection cards with the radiation doses within the set threshold range, the radiation doses are respectively 25-30Gy,35-40Gy,45-50Gy, and the radiation doses exceeding the set threshold upper limit are respectively 50-55Gy,60-65Gy, and 70-75Gy.
In addition, after the irradiation dose detection card with the irradiation dose lower than the lower limit of the set threshold and the irradiation dose detection card with the irradiation dose exceeding the upper limit of the set threshold are detected, audible and visual alarm prompt is generated and alarm information is stored; the detection card with the irradiation dose within the set threshold value range does not give an alarm after detection, and can normally store information.
In addition, the environmental sampling method of the high-energy radiation collection module 110 is as follows:
s2.1, determining the sample volume of the irradiation dose in the environment;
s2.2, determining the minimum sampling amount.
Further, the irradiation dose in the environment in S2.1 follows a normal distribution, and the formula of the normal distribution is:
s is the sample detection standard deviation of X rays; t is the sample volume of the irradiation dose in the environment;
is a normal distribution factor.
In addition, the sample volume of the irradiation dose in the environment includes an analysis sample and a standby sample.
In addition, the radiation dose measurement method in the radiation measurement module 120X-rays is as follows:
s3.1, the ion chamber probe and the irradiation dose detection card are simultaneously placed in an X-ray field for irradiation, the irradiation dose is controlled to be not more than 50Gy, the ion chamber dosimeter is calibrated before use, and the irradiation dose detection card is required to be attached to the vicinity of an ion chamber probe test line;
s3.2, recording the reading of the ion chamber dosimeter;
s3.3, detecting the irradiation dose after irradiating the irradiation dose detection card, and recording a dose value.
Specifically, the calculation formula of the reading error of the ion chamber dosimeter in S3.2 is as follows:
δR＝[(R a -R b )/R a ].100％；
wherein δR is a reading error; r is R a Reading an ion chamber dosimeter; r is R b Is the dose value.
The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above-described embodiments, and that the above-described embodiments and descriptions are only preferred embodiments of the present invention, and are not intended to limit the invention, and that various changes and modifications may be made therein without departing from the spirit and scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (5)
1. An irradiation dose detection system, characterized by: comprises an environmental radiation dose detection unit (100), an radiation dose early warning unit (200) and a data sharing unit (300); the environment irradiation dose detection unit (100) is used for detecting the X-ray irradiation dose received by the irradiation dose detection card in the environment; the irradiation dose early warning unit (200) is used for judging whether the X-ray irradiation dose received by the irradiation dose detection card is within a set irradiation dose detection threshold value; the data sharing unit (300) is used for sharing data in the detection system; the environmental radiation dose detection unit (100) comprises a high-energy radiation acquisition module (110), a radiation measurement module (120) and a data transmission module (130); the high-energy radiation acquisition module (110) is used for acquiring X rays on the irradiation dose detection card; the radiation measurement module (120) is used for measuring the X-rays acquired by the high-energy radiation acquisition module (110); the data transmission module (130) is used for transmitting measurement data to the irradiation dose early-warning unit (200); the environmental radiation dose detection unit (100) comprises a high-energy radiation acquisition module (110), a radiation measurement module (120) and a data transmission module (130); the environment sampling method of the high-energy radiation acquisition module (110) comprises the following steps:
s2.1, determining the sample volume of the irradiation dose in the environment;
s2.2, determining the minimum sampling amount;
the irradiation dose in the environment in S2.1 conforms to normal distribution, and the normal distribution formula is as follows:
s is the sample detection standard deviation of X rays; n is the sample volume of the irradiation dose in the environment;
is a normal distribution factor;
the irradiation dose detection method of the irradiation dose detection system comprises the following steps:
s1.1, radiation dose detection: detecting the X-ray irradiation dose received by the irradiation dose detection card;
s1.2, radiation dose early warning: judging whether the X-ray irradiation dose received by the irradiation dose detection card is within a set irradiation dose detection threshold value or not;
s1.3, monitoring environmental radiation: monitoring the radiation dose value in the environment in real time, and displaying the environment radiation value by utilizing a display screen;
s1.4, early warning of environmental radiation: judging whether the environmental radiation value monitored in real time is within a set threshold value, if not, carrying out alarm prompt by a detection system and storing alarm information;
s1.5, data sharing: and carrying out data sharing by using an X-ray blood irradiation instrument and a detection system, tracing by using the bar code on the irradiation dose detection card in cooperation with the data, and then generating a unified tracing report.
2. The radiation dose detection system of claim 1, wherein: the radiation dose early-warning unit (200) comprises a dose threshold setting module (210), a data processing module (220) and an alarm module (230); the dose threshold setting module (210) is used for setting an alarm threshold of irradiation dose; the data processing module (220) is used for receiving the measurement data transmitted by the data transmission module (130) and comparing the value of the measurement data with a threshold value.
3. The radiation dose detection system of claim 1, wherein: the sample volume of the irradiation dose in the environment includes an analysis sample and a standby sample.
4. The radiation dose detection system of claim 1, wherein: the radiation dose measuring method in the X-rays of the radiation measuring module (120) comprises the following steps:
s3.1, the ion chamber probe and the irradiation dose detection card are simultaneously placed in an X-ray field for irradiation;
s3.2, recording the reading of the ion chamber dosimeter;
s3.3, detecting the irradiation dose after irradiating the irradiation dose detection card, and recording a dose value.
5. The radiation dose detection system of claim 4, wherein: the calculation formula of the reading error of the ion chamber dosimeter in the S3.2 is as follows:
δR＝[(R a -R b )/R a ]·100％；
wherein δR is a reading error; r is R a Reading an ion chamber dosimeter; r is R b Is the dose value.
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| CN208076729U (en) * | 2018-04-24 | 2018-11-09 | 深圳市方戟科技有限公司 | Radiation detecting apparatus with warning function |
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| US8340249B2 (en) * | 2010-06-08 | 2012-12-25 | Best Medical International | Real-time dosimetry system, RTDS |
| CN102360081A (en) * | 2011-08-24 | 2012-02-22 | 周明非 | Irradiation indicating card and methods for preparing and using the same |
| US9057786B2 (en) * | 2012-06-01 | 2015-06-16 | Landauer, Inc. | Algorithm for a wireless, motion and position-sensing, integrating radiation sensor for occupational and environmental dosimetry |
| EP3004932B1 (en) * | 2013-05-31 | 2020-12-30 | Landauer, Inc. | Algorithm for wireless, motion and position-sensing, integrating radiation sensor for occupational and environmental dosimetry |
| CN207636519U (en) * | 2017-09-12 | 2018-07-20 | 深圳市金安成科技有限公司 | A kind of X-ray safety check equipment of included radiation detection warning function |
| CN109481765A (en) * | 2018-12-14 | 2019-03-19 | 山东新华医疗器械股份有限公司 | X-ray blood irradiator |
| CN111290009A (en) * | 2020-04-16 | 2020-06-16 | 安徽省辐射环境监督站 | Multipath interlocking control system of gamma irradiation chamber |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN205673090U (en) * | 2016-06-14 | 2016-11-09 | 山东威高集团医用高分子制品股份有限公司 | A kind of micro computer balancing instrument |
| CN208076729U (en) * | 2018-04-24 | 2018-11-09 | 深圳市方戟科技有限公司 | Radiation detecting apparatus with warning function |
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