CN117630053A - Ray detection system and method with life detection and automatic interlocking protection functions - Google Patents
Ray detection system and method with life detection and automatic interlocking protection functions Download PDFInfo
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- G01N23/00—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00
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- G—PHYSICS
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- G01T—MEASUREMENT OF NUCLEAR OR X-RADIATION
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- G01T1/02—Dosimeters
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- G—PHYSICS
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Abstract
The invention discloses a ray detection system and a detection method with life detection and automatic interlocking protection functions, wherein the system comprises an X-ray generator, a ray dose detector, a life detection device, an operation platform and an automatic interlocking protection device; the life detection device detects a life body within a safety protection distance range, when a life signal is detected, the life signal is transmitted to the control system, the control system controls the automatic interlocking protection device to act, the power supply of the X-ray generator is cut off in time, people are prevented from being injured due to the fact that the people enter a ray detection area by mistake, and personal safety of the people is guaranteed.
Description
Technical Field
The invention relates to the technical field of radiation detection systems, in particular to a radiation detection system and a radiation detection method with life detection and automatic interlocking protection functions.
Background
Rays are known to be harmful. The human body is irradiated by the radiation, and certain harmful effects possibly occur randomly along with the increase of the radiation dose. The radiation includes α rays, β rays, γ rays, X rays, and the like. When the organism is irradiated by X-rays, the X-rays interact with substances such as cells, tissues, body fluids and the like of the organism to cause ionization of atoms or molecules of the substances, so that certain macromolecular structures in the organism can be directly damaged, such as breaking protein molecular chains, breaking ribonucleic acid or deoxyribonucleic acid, breaking enzymes which are important for metabolism of the substances and the like, and even the cell structures can be directly damaged. Random effects can occur when individual or small numbers of cells are subjected to radiation damage (mainly chromosomal aberrations, genetic mutations, etc.). The harm degree of the rays to organisms mainly depends on the radiation dose, when the radiation dose is small, local discomfort can occur to human bodies, when the radiation dose is large, death can be caused, the greater the radiation dose is, the higher the death rate is, and when the radiation dose is increased to a certain large dose, 100% of animals die.
The radiation detection is used as an indispensable detection item for nondestructive detection, is widely applied to field pipeline and other equipment detection, and after the human body is irradiated by radiation, the activity of the human body cells of a light person is weakened, the reproduction is stopped, and the cell death is caused again, so that the safety of the human body is endangered. Therefore, people's safety is also paid attention to, and even though a warning sign is set in a radiation irradiation area or an isolation area is established when radiation detection is usually performed in the field, people who enter a detection range by mistake cannot be completely prevented from being injured.
Disclosure of Invention
In view of the above, the invention provides a radiation detection system and a detection method with life detection and automatic interlocking protection functions, which solve the problem that the health of people entering a radiation detection area by mistake is damaged.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
a radiation detection system with life detection and automatic interlocking protection functions comprises an operation platform, an X-ray generator, a life detection device, an automatic interlocking protection device for cutting off a power supply, a radiation dose detector for measuring radiation dose and an alarm device; the operation platform comprises a controller for controlling the actions of the X-ray generator and the life detection device and a detection information management system for recording life signal detection data and ray dosage values; the operation platform is connected with the signal input end of the automatic interlocking protection device, and the signal output end of the automatic interlocking protection device is connected with the control box of the X-ray generator; the X-ray generator is in communication connection with the operation platform through aviation plug; the life detection device is used for detecting whether a life body exists in the safety protection distance range or not, and is in communication connection with the operation platform through a USB interface; the life detection device scans life bodies within a safety protection distance range in a centimeter-level progressive scanning mode and a 120-degree conical detection opening angle; and the signal input end of the alarm device is connected with the operation platform.
Further, the controller and the detection information management system both adopt LabVIEW software systems.
Further, the living body detected by the life detection device is a human body.
Furthermore, the life detection device can perform uninterrupted stereoscopic spherical detection, and can distinguish organisms which intrude into a ray area, so that the automatic interlocking protection device can only act on people.
Further, the safety protection distance comprises a first safety protection distance and a second safety protection distance, and the life detection devices are respectively and uniformly arranged on the circumferences of the first safety protection distance and the second safety protection distance.
Further, the alarm device is an audible and visual alarm.
A ray detection method with life detection and automatic interlocking protection functions simultaneously comprises the following steps:
(1) The X-ray generator emits rays to the surrounding environment in real time;
(2) The life detection device detects the life body signals in the first safety protection distance and the second safety protection distance respectively, when the life body is a human body, the distance S that the human body reaches the X-ray generator 2 <S≤S 1 When the X-ray generator works normally, the alarm device alarms;
when the distance S of the human body reaching the X-ray generator is less than or equal to S 2 When the X-ray generator is in operation, the alarm device alarms, the automatic interlocking protection device acts, and the X-ray generator stops working.
The first safety protection distance and the second safety protection distance are respectively S 1 And S is 2 The relation between them is satisfied: s is S 1 ＝S 2 +S 0 Wherein S is 0 For safety warning distance S 0 The value range of (2) is 1m is less than or equal to S 0 ≤5m。
Compared with the prior art, the invention discloses a ray detection system and a detection method with life detection and automatic interlocking protection functions, which have the beneficial effects that: the invention detects the life body in the safe distance through the life detection device, when the life signal is detected, the life signal is transmitted to the control system, the control system controls the automatic interlocking protection device to act, the power supply of the X-ray generator is cut off in time, people are prevented from being injured due to the fact that the people enter the ray detection area by mistake, and the personal safety of the people is ensured. The invention also provides an alarm device, and when the automatic interlocking protection device cuts off the power supply of the X-ray generator, an alarm signal is sent out to prompt personnel entering the radiation area by mistake.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are required to be used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only embodiments of the present invention, and that other drawings can be obtained according to the provided drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic block diagram of one of the principles of the present invention;
FIG. 2 is a second schematic block diagram of the present invention;
FIG. 3 is a schematic view of the placement position of the life detection device of the present invention;
FIG. 4 is a diagram showing the relationship between the position of the human body and the radiation dose;
the meaning of the reference numerals in the figures is: 1 is a first safety distance S 1 2 is the second safety distance S 2 3 is a life detection device, 4 is an X-ray generator, and 5 is a safety warning distance S 0 。
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.
Example 1
A ray detection system (see figure 1) with life detection and automatic interlocking protection functions simultaneously, which comprises an X-ray generator, a life detection device for detecting whether a life object exists in a safety protection distance range, an automatic interlocking protection device for cutting off the power supply of the X-ray generator, a ray dose detector for measuring the ray dose, and an operation platform for controlling the X-ray generator, the life detection device, the ray dose detector and the automatic interlocking protection device and recording life signal data and ray dose values in real time; the operation platform is respectively connected with the X-ray generator, the ray dose detector and the life detection device, the operation platform is connected with the signal input end of the automatic interlocking protection device, the signal output end of the automatic interlocking protection device is connected with the control box of the X-ray generator, the operation platform comprises a controller for controlling the actions of the X-ray generator and the life detection device, and a detection information management system for recording the detection data of the life signals and the ray dose value, and the controller and the detection information management system both adopt a LabVIEW software system. The X-ray generator is in communication connection with the operation platform through aviation plug.
The life detection device is in communication connection with the operation platform through a USB interface. The life detection device scans life bodies within the safety protection distance range in a centimeter-level progressive scanning mode and 120-degree conical detection opening angle, and scanning results can be obtained within 18s-45 s. The safety protection distance comprises a first safety protection distance and a second safety protection distance, and the life detection devices are respectively and uniformly arranged on the circumferences of the first safety protection distance and the second safety protection distance. The life detection device can distinguish whether the life body is a human body or an animal body, and can adopt DZ-001W, KG001-12, TAD-WB6, JTY-GF-GSTN701B and other models as long as the life detection device capable of distinguishing the human body and the animal body is suitable for the application. When the detected living body is a human body, the detected living signal data and the distance information of the detected living signal data reaching the X-ray generator are transmitted to the operation platform.
The X-ray generator uniformly and stably emits X-rays to the periphery of the X-ray generator, and the following relationship exists between the radiation dose of a certain position and the distance from the position to the X-ray generator:
as can be seen from the figure 4 of the drawings,wherein R is 1 For a certain position to reach the radiation source, R 2 D is the distance from the second safety protection distance to the ray source 1 For the radiation dose at a certain position, D 2 For the radiation dose at the second safety distance. Annual agent for normal radiation of human bodyThe dose should be 50mSV or less, and the radiation dose of the X-ray generator should be 0.13mSV or less every day when the X-ray generator is operated continuously for 365 days.
The distance from a certain position to the ray source can be calculated by the formulaThus a certain position reaches the distance R of the radiation source 1 And the radiation dose D at the position 1 The life detection device can determine whether the radiation dose at the position can damage the human body or not as long as the life detection device detects the distance from the human body to the X-ray generator.
Before the ray detection starts, a training machine is required to accurately acquire the value of the safety distance S2 so as to arrange the life detection device. Before the training machine, a track with a rail trolley is arranged, a radiation dose detector is arranged in the trolley, and after the arrangement is finished, a measuring tape with the specification of 0-100 meters is connected with the rail trolley and is arranged under a radiation source. After the training machine starts, the trolley is controlled to move along the track by the operation platform, the numerical value of the radiation dose detector is recorded in real time, the movement is stopped when the numerical value reaches 0.13mSV, the distance between the radiation dose detector and the radiation source is recorded after the training machine finishes closing the X-ray generator, the numerical value is S2, and then the life detection device is arranged.
Example 2
A ray detection method with life detection and automatic interlocking protection functions simultaneously comprises the following steps:
(1) The X-ray generator emits rays to the surrounding environment in real time;
(2) The life detection device detects the life body signals in the first safety protection distance and the second safety protection distance respectively, when the life body is a human body, the distance S that the human body reaches the X-ray generator 2 <S≤S 1 When the X-ray generator works normally, the alarm device alarms;
when the distance S of the human body reaching the X-ray generator is less than or equal to S 2 When the radiation equipment is in operation, the alarm device alarms, the automatic interlocking protection device acts, and the radiation equipment stops working.
The first safety protection distance and the second safety protection distance are respectively S 1 And S is 2 The relation between them is satisfied: s is S 1 ＝S 2 +S 0 Wherein S is 0 For the safety warning distance, the value range of S0 is 1m less than or equal to S 0 ≤5m。
The life detection device can perform uninterrupted three-dimensional spherical detection, can distinguish organisms which intrude into a ray area, enables the automatic interlocking protection device to act only for people, and can avoid ineffective protection if the organisms which intrude into the ray area are animal bodies such as cats, dogs and the like.
When the ray detection is carried out, the life detection device detects with a 120-degree conical detection opening angle, detects whether a human body exists in the first safety protection distance and the second safety protection distance, and transmits detected life signals to the control system in real time. When the life detection device detects a life signal, the control system controls the automatic interlocking protection device to act, the power supply of the X-ray generator is cut off in time, personnel entering the radiation detection area by mistake are prevented from being injured, and personal safety of the personnel is guaranteed.
Example 3
Referring to fig. 2, the difference between the present embodiment and the first embodiment is that the present invention further includes an alarm device, where a signal input end of the alarm device is connected to the operation platform, and the alarm device is an audible and visual alarm. When the life detection device detects a life signal within a safe distance, the automatic interlocking protection device cuts off the power supply of the X-ray generator, and the audible and visual alarm can give an alarm to prompt personnel entering the ray detection area by mistake. Other embodiments are the same as the first embodiment, and detailed descriptions thereof are omitted.
In the present specification, each embodiment is described in a progressive manner, and each embodiment is mainly described in a different point from other embodiments, and identical and similar parts between the embodiments are all enough to refer to each other. For the device disclosed in the embodiment, since it corresponds to the method disclosed in the embodiment, the description is relatively simple, and the relevant points refer to the description of the method section.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (8)
1. A radiation detection system having both life detection and automatic interlock protection functions, comprising: the device comprises an operation platform, an X-ray generator, a life detection device, an automatic interlocking protection device for cutting off a power supply, a radiation dose detector for measuring radiation dose and an alarm device; the operation platform comprises a controller for controlling the actions of the X-ray generator and the life detection device and a detection information management system for recording life signal detection data and ray dosage values; the operation platform is connected with the signal input end of the automatic interlocking protection device, and the signal output end of the automatic interlocking protection device is connected with the control box of the X-ray generator; the X-ray generator is in communication connection with the operation platform through aviation plug; the life detection device is used for detecting whether a life body exists in the safety protection distance range or not, and is in communication connection with the operation platform through a USB interface; the life detection device scans life bodies within a safety protection distance range in a centimeter-level progressive scanning mode and a 120-degree conical detection opening angle; and the signal input end of the alarm device is connected with the operation platform.
2. The radiation detection system with both life detection and automatic interlock protection functions according to claim 1, wherein the controller and the detection information management system each employ LabVIEW software systems.
3. The radiation detecting system having both life detecting and automatic interlocking protection functions according to claim 1, wherein the living body detected by the life detecting means is a human body.
4. The radiation detection system with both life detection and automatic interlock protection functions according to claim 1, wherein the life detection device can perform uninterrupted three-dimensional spherical detection, and can distinguish organisms intruding into a radiation area, so that the automatic interlock protection device can act only on people.
5. The radiation detection system having both life detection and automatic interlock protection functions according to claim 1, wherein the safety distance includes a first safety distance and a second safety distance, and the life detection devices are uniformly disposed on circumferences of the first safety distance and the second safety distance, respectively.
6. The radiation detection system having both life detection and automatic interlock protection functions of claim 1 wherein said alarm means is an audible and visual alarm.
7. A ray detection method with life detection and automatic interlocking protection functions is characterized by comprising the following steps:
(1) The X-ray generator emits rays to the surrounding environment in real time;
(2) The life detection device detects the life body signals in the first safety protection distance and the second safety protection distance respectively, when the life body is a human body, the distance S that the human body reaches the X-ray generator 2 <S≤S 1 When the X-ray generator works normally, the alarm device alarms;
when the distance S of the human body reaching the X-ray generator is less than or equal to S 2 When the X-ray generator is in operation, the alarm device alarms, the automatic interlocking protection device acts, and the X-ray generator stops working.
8. The method for detecting radiation with both life detection and automatic interlocking protection as claimed in claim 7, wherein said first safety distance and said second safety distance are S respectively 1 And S is 2 The relation between them is satisfied: s is S 1 ＝S 2 +S 0 Wherein S is 0 For safety warning distance S 0 The value range of (2) is 1m is less than or equal to S 0 ≤5m。
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| CN202311617686.4A CN117630053A (en) | 2016-09-26 | 2016-09-26 | Ray detection system and method with life detection and automatic interlocking protection functions |
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| CN107550507A (en) * | 2017-10-11 | 2018-01-09 | 北京驰马特图像技术有限公司 | C-arm x-ray dosage control device and system |
| CN113740355B (en) | 2020-05-29 | 2023-06-20 | 清华大学 | Boundary protection method and system for ray detection robot |
| CN112033985B (en) * | 2020-07-24 | 2024-04-09 | 重庆真测科技股份有限公司 | Interlocking system of vehicle-mounted industrial CT device and vehicle-mounted industrial CT device |
| CN113093261B (en) * | 2021-04-02 | 2022-09-02 | 中国科学院近代物理研究所 | Beam diagnosis interlocking system for beam terminal of heavy ion treatment device |
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| JP3247987B2 (en) * | 2000-03-27 | 2002-01-21 | 忠男 趙 | Radiation measurement alarm system |
| JP2007309791A (en) * | 2006-05-18 | 2007-11-29 | Chugoku Electric Power Co Inc:The | Operator monitoring system |
| DE102007054507A1 (en) * | 2007-11-15 | 2009-05-20 | Robert Bosch Gmbh | Method for recognizing living beings |
| CN202235431U (en) * | 2011-10-17 | 2012-05-30 | 南京普爱射线影像设备有限公司 | Automatic following collision-preventing warning device for suspension type X ray machine |
| JP2013246072A (en) * | 2012-05-28 | 2013-12-09 | Sharp Corp | Radiation measuring device |
| JP2016521363A (en) * | 2013-04-18 | 2016-07-21 | カリフォルニア インスティチュート オブ テクノロジー | Life detection radar |
| CN104765031B (en) * | 2015-03-02 | 2017-03-01 | 太原理工大学 | A kind of ultra-wideband microwave chaos life detection radar device |
| CN204697380U (en) * | 2015-06-30 | 2015-10-07 | 中国化学工程第三建设有限公司 | A kind of industrial X-ray machine based on distance protection equipment |
| CN206114560U (en) * | 2016-09-26 | 2017-04-19 | 朱磊 | Ray detecting system with automatic interlock protect function |
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