CN103744102A - Intelligent detection method and control system for radioactive substances - Google Patents
Intelligent detection method and control system for radioactive substances Download PDFInfo
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- CN103744102A CN103744102A CN201410009014.XA CN201410009014A CN103744102A CN 103744102 A CN103744102 A CN 103744102A CN 201410009014 A CN201410009014 A CN 201410009014A CN 103744102 A CN103744102 A CN 103744102A
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Abstract
An intelligent radioactive substance detection method and a control system are disclosed, wherein the intelligent radioactive substance detection method comprises a radioactive intelligent detection module, a motor control module, a case identification module, a radioactive intensity detection module, a case positioning module, a radioactive element analysis module, an execution mechanism and a safety protection electronic control device, wherein the case identification module, the radioactive intensity detection module, the case positioning module and the radioactive element analysis module send signals to the radioactive intelligent detection module, and after the radioactive intelligent detection module confirms a case with a high radioactive intensity value, the time for the case to reach the center of a push plate is automatically calculated, and a time signal is sent to the motor control module; the invention relates to the field of security inspection, in particular to airports, ports and subways. The technical problems that the radioactive substance detection system cannot comprehensively detect the passed bags and can judge the bags of the radioactive source and the bags of the infected source, and the detection accuracy is improved are solved.
Description
Technical field
The present invention relates to safety inspection field, especially radiomaterial intelligent detecting method and the control system in the article such as luggage, mailbag, parcel in airport, railway, port and other important discrepancy places.
Background technology
The control system of radioactive substance detection device combination has been widely used in the baggage check in customs, airport, port and other relevant important discrepancy place at present, to prevent the illegal entry and exit of radiomaterial or illegally to carry within the border, avoid radiomaterial harm national security and passenger safety, existing two kinds of technology: the one, by hand-held tester, radioactive ray in case and bag is carried out to sampling Detection as gamma-rays, β ray and radiation neutron, to judge whether carry radiomaterial in case and bag; The 2nd, belt transport judges in conjunction with gamma meter, then manually takes out radiomaterial.Above prior art can only be inspected by random samples, can not carry out complete detection, checks out that radioactive source reports to the police immediately, does not judge that radioactive source and infected source judgement Detection accuracy are low.
Summary of the invention
For above technical matters, the technical matters that the present invention solves is that the case and bag of process are checked comprehensively, and the radioactive source of detected case and bag is carried out to dual judgement, can differentiate radioactivity case and bag and the case and bag of being infected with, thereby improved, detects accuracy rate.
Technical scheme of the present invention:
A kind of radiomaterial intelligent detection and control system is by radioactivity Intelligent Measurement module 1, motor control module 2, case and bag identification module, radioactive intensity detection module, case and bag locating module, radioelement analysis module, topworks and security protection electronic-controlled installation form, and described motor control module 2 comprises motor forward module, motor reversal module, reseting module, described radioactivity Intelligent Measurement module 1 comprises case and bag mark unit, intensity level unit, the value that exceeds standard comparing unit, radioelement analytic unit, center calculation unit, described case and bag identification module, described radioactive intensity detection module, described case and bag locating module, described radioelement analysis module sends a signal to described radioactivity Intelligent Measurement module 1, described radioactivity Intelligent Measurement module 1 is confirmed after the case and bag of the radioactive intensity value that numerical value is large, automatically calculate the time at this case and bag arrival push pedal center, transmitting time signal is to motor control module 2, described radioactivity Intelligent Measurement module 1 is sent time signal to described motor control module 2, described motor control module 2 output motor lap signal are given described topworks, and described security protection electronic-controlled installation sends security protection signal to described motor control module 2.
Security protection electric signal is carried out by the described motor control module 2 described topworkies of control after being input to the motor reversal module in described motor control module 2.
Described radioactivity Intelligent Measurement module 1 compares the radioactive intensity value of radioactive source and the source of infection automatically.
The distance that the motor rotating cycle of described motor lap signal should push away case and bag according to topworks is calculated.
Described case and bag identification module transmits case and bag signal for recording the size of case and bag numbering and case and bag.
Described radioactive intensity detection module is for detection of the intensity level of radioactive source.
Described case and bag locating module transmits case and bag signal and for calculating case and bag, arrives the time of push rod center.
Described radioelement analysis module is for analyzing kind and the dosage of radiomaterial.
After being touched, described security protection electronic-controlled installation there will be one to feed back signal to security protection signal module.
Described motor forward module is used for controlling topworks and advances.
Described motor reversal module is for controlling the withdrawal of topworks.
Topworks's self-return when described reseting module breaks down for motor.
Described case and bag mark unit gives the numbering N of case and bag and records case and bag length L.
The radioactive intensity of the detected case and bag of described intensity level record data unit record.
The intensity level of two case and bag that exceed standard that described intensity level comparing data unit is more close.
The center of the case and bag that computational data unit, described case and bag center calculating strength value is large, and calculating central position arrives the time t of the position at push rod center.
The time t that described center arrives the position at push rod center is the larger case and bag length L 1 of described intensity level comparison module numerical value more out, and photoelectric tube two is L to the distance at push rod center, and belt speed is S, t=(L-L1/2)/S.
A radiomaterial intelligent detecting method, comprising:
Step 1: if when case and bag pass through radiac, radioactive intensity is less than setting threshold values, is judged to be and does not carry radioactive source, case and bag normal transmission;
Step 2: when case and bag pass through, radioactive intensity surpasses threshold values, is determined with radiomaterial, and this case and bag sequence number of software records, is assumed to N;
Step 3: when the case and bag radioactive intensity of sequence number N+1 is when setting threshold values, judge that N case and bag are as radioactive source;
Step 4: if the radioactive intensity of N+1 is higher than setting threshold values, relatively two case and bag radioactive intensities are big or small, as N case and bag radioactive intensity is greater than bag radioactive intensity No. N+1, judges that N case and bag are radioactive source;
Step 5: continue relatively N+2 case and bag as N case and bag radioactive intensity is less than N+1 case and bag radioactive intensity; If do not carry out next case and bag in 2S, just think that current case and bag are radioactive sources; Repeat above-mentioned steps, the radioactive intensity of judgement N+2 case and bag and N+1 case and bag, until find out maximal value;
Step 6: the numbering that is judged to be radioactive source case and bag is sent to control system, and prepare to push away bag.
Preferably, described threshold value setting method is:
Step 1: if V=2 and X
a+1, X
a+2wherein be greater than B and X
a>X
a+1>X
a+2these case and bag do not carry radioactive source clearance so;
Step 2: if V=2 and X
a+1, X
a+2wherein be greater than B and (X
a+1>X
a+2) & & (X
a+1>X
a) so this bag be that radioactive source carries case and bag and will isolate;
Step 3: if V=2 and X
a+1, X
a+2wherein be greater than B and (X
a+2>X
a+1>X
aif) so next case and bag emphasis pass V>2 and X
a+1, X
a+2x
a+vwherein there is the value that is greater than B, and (X
(((a+v)/2)+1)> X
(((a+v)/2)+2))aMP.AMp.Amp & (X
(((a+v)/2)+1)> X
(((a+v)/2)-2)) so these case and bag be exactly that radioactive source carries case and bag;
Step 4: if V>2 and X
a+1, X
a+2x
a+vwherein there is the value that is greater than B, and (X
(((a+v)/2)+1)> X
(((a+v)/2)+2))aMP.AMp.Amp & (X
(((a+v)/2)+1)> X
(((a+v)/2)-2)) so these case and bag be exactly that radioactive source carries case and bag;
Step 5: if there is X
a+V>>X
aand case and bag have the value that is greater than B, (X in the data of out-of-date reception
(((a+v)/2)+1)> X
(((a+v)/2)+2)>X
(((a+v)/2)-1)>>X
a) & & (X
a+v>B), the case and bag of back may also have radioactive source so;
The radioelement data amount check, a that when wherein B is a bag process radiac for alarming threshold value, the V setting, receive are current reception numerical value number X
a+1, X
a+2... X
a+Vfor radioelement value.
Accompanying drawing explanation
Fig. 1 is radiomaterial intelligent detection and control system workflow schematic diagram.
Description of reference numerals:
1 radioactivity Intelligent Measurement module; 2 motor control modules.
Specific embodiment
As shown in Figure 1 when detected case and bag are through out-of-date, case and bag identification module, radioactive intensity detection module, radioelement analysis module, case and bag locating module, the detected case and bag of process are carried out to the collection of data, send to radioactivity Intelligent Measurement module 1, radioactivity Intelligent Measurement module is undertaken after dual judgement detection by the case and bag to detected, if detected case and bag are the case and bag that carry radioactive source, radioactivity Intelligent Measurement module 1 sends a time signal to motor control module 2, the collection of 2 pairs of time signals of motor control module sends a motor rotating cycle signal to topworks, topworks performs an action, when through the case and bag of belt from very close to situation under, there are case and bag to be clipped in the edge of belt, now security protection electronic-controlled installation just sends security protection electric signal to motor control module 2, the execution work of motor control module 2 starter motor reversion module topworkies.
Security protection electric signal is carried out by the described motor control module 2 described topworkies of control after being input to the motor reversal module in described motor control module 2.
Described radioactivity Intelligent Measurement module 1 compares the radioactive intensity value of radioactive source and the source of infection automatically.The distance that the motor rotating cycle of motor lap signal should push away case and bag according to topworks is calculated.Case and bag identification module transmits case and bag signal for recording the size of case and bag numbering and case and bag.Radioactive intensity detection module is for detection of the intensity level of radioactive source.Case and bag locating module transmits case and bag signal and for calculating case and bag, arrives the time of push rod center.Radioelement analysis module is for analyzing kind and the dosage of radiomaterial.After security protection electronic-controlled installation is touched, there will be one and feed back signal to security protection signal module.Motor forward module is used for controlling topworks and advances.Motor reversal module is for controlling the withdrawal of topworks.Topworks's self-return when reseting module breaks down for motor.Case and bag mark unit gives the numbering N of case and bag and records case and bag length L.The radioactive intensity of the detected case and bag of intensity level record data unit record.The intensity level of two case and bag that exceed standard that intensity level comparing data unit is more close.The center of the case and bag that computational data unit, case and bag center calculating strength value is large, and calculating central position arrives the time t of the position at push rod center.The time t that center arrives the position at push rod center is the larger case and bag length L 1 of described intensity level comparison module numerical value more out, and photoelectric tube two is L to the distance at push rod center, and belt speed is S, t=(L-L1/2)/S.
Radiomaterial intelligent detecting method, comprising:
Step 1: if when case and bag pass through radiac, radioactive intensity is less than setting threshold values, is judged to be and does not carry radioactive source, case and bag normal transmission;
Step 2: when case and bag pass through, radioactive intensity surpasses threshold values, is determined with radiomaterial, and this case and bag sequence number of software records, is assumed to N;
Step 3: when the case and bag radioactive intensity of sequence number N+1 is when setting threshold values, judge that N case and bag are as radioactive source;
Step 4: if the radioactive intensity of N+1 is higher than setting threshold values, relatively two case and bag radioactive intensities are big or small, as N case and bag radioactive intensity is greater than bag radioactive intensity No. N+1, judges that N case and bag are radioactive source;
Step 5: continue relatively N+2 case and bag as N case and bag radioactive intensity is less than N+1 case and bag radioactive intensity; If do not carry out next case and bag in 2S, just think that current case and bag are radioactive sources; Repeat above-mentioned steps, the radioactive intensity of judgement N+2 case and bag and N+1 case and bag, until find out maximal value;
Step 6: the numbering that is judged to be radioactive source case and bag is sent to control system, and prepare to push away bag.
Wherein threshold value setting method is:
Step 1: if V=2 and X
a+1, X
a+2wherein be greater than B and X
a>X
a+1>X
a+2these case and bag do not carry radioactive source clearance so;
Step 2: if V=2 and X
a+1, X
a+2wherein be greater than B and (X
a+1>X
a+2) & & (X
a+1>X
a) so this bag be that radioactive source carries case and bag and will isolate;
Step 3: if V=2 and X
a+1, X
a+2wherein be greater than B and (X
a+2>X
a+1>X
aif) so next case and bag emphasis pass V>2 and X
a+1, X
a+2x
a+vwherein there is the value that is greater than B, and (X
(((a+v)/2)+1)> X
(((a+v)/2)+2))aMP.AMp.Amp & (X
(((a+v)/2)+1)> X
(((a+v)/2)-2)) so these case and bag be exactly that radioactive source carries case and bag;
Step 4: if V>2 and X
a+1, X
a+2x
a+vwherein there is the value that is greater than B, and (X
(((a+v)/2)+1)> X
(((a+v)/2)+2))aMP.AMp.Amp & (X
(((a+v)/2)+1)> X
(((a+v)/2)-2)) so these case and bag be exactly that radioactive source carries case and bag;
Step 5: if there is X
a+V>>X
aand case and bag have the value that is greater than B, (X in the data of out-of-date reception
(((a+v)/2)+1)> X
(((a+v)/2)+2)>X
(((a+v)/2)-1)>>X
a) & & (X
a+v>B), the case and bag of back may also have radioactive source so;
The radioelement data amount check, a that when wherein B is a bag process radiac for alarming threshold value, the V setting, receive are current reception numerical value number X
a+1, X
a+2... X
a+Vfor radioelement value.
Claims (19)
1. a radiomaterial intelligent detection and control system is by radioactivity Intelligent Measurement module (1), motor control module (2), case and bag identification module, radioactive intensity detection module, case and bag locating module, radioelement analysis module, topworks and security protection electronic-controlled installation form, and described motor control module (2) comprises motor forward module, motor reversal module, reseting module, described radioactivity Intelligent Measurement module (1) comprises case and bag mark unit, intensity level unit, the value that exceeds standard comparing unit, radioelement analytic unit, center calculation unit, is characterized in that: described case and bag identification module, described radioactive intensity detection module, described case and bag locating module, described radioelement analysis module sends a signal to described radioactivity Intelligent Measurement module (1), described radioactivity Intelligent Measurement module (1) is confirmed after the case and bag of the radioactive intensity value that numerical value is large, automatically calculate the time at this case and bag arrival push pedal center, transmitting time signal is to motor control module (2), described radioactivity Intelligent Measurement module (1) is sent time signal to described motor control module (2), described motor control module (2) output motor lap signal is given described topworks, and described security protection electronic-controlled installation sends security protection signal to described motor control module (2).
2. a kind of radiomaterial intelligent detection and control system according to claim 1, is characterized in that: security protection electric signal is input to be controlled described topworks by described motor control module (2) after the motor reversal module in described motor control module (2) and carry out.
3. a kind of radiomaterial intelligent detection and control system according to claim 1, is characterized in that: described radioactivity Intelligent Measurement module (1) compares the radioactive intensity value of radioactive source and the source of infection automatically.
4. a kind of radiomaterial intelligent detection and control system according to claim 1, is characterized in that: the distance that the motor rotating cycle of described motor lap signal should push away case and bag according to topworks is calculated.
5. a kind of radiomaterial intelligent detection and control system according to claim 1, is characterized in that: described case and bag identification module transmits case and bag signal for recording the size of case and bag numbering and case and bag.
6. a kind of radiomaterial intelligent detection and control system according to claim 1, is characterized in that: described radioactive intensity detection module is for detection of the intensity level of radioactive source.
7. a kind of radiomaterial intelligent detection and control system according to claim 1, is characterized in that: described case and bag locating module transmits case and bag signal and for calculating case and bag, arrives the time of push rod center.
8. a kind of radiomaterial intelligent detection and control system according to claim 1, is characterized in that: described radioelement analysis module is for analyzing kind and the dosage of radiomaterial.
9. a kind of radiomaterial intelligent detection and control system according to claim 1, is characterized in that: after described security protection electronic-controlled installation is touched, there will be one to feed back signal to security protection signal module.
10. a kind of radiomaterial intelligent detection and control system according to claim 1, is characterized in that: described motor forward module is used for controlling topworks and advances.
11. a kind of radiomaterial intelligent detection and control systems according to claim 1, is characterized in that: described motor reversal module is for controlling the withdrawal of topworks.
12. a kind of radiomaterial intelligent detection and control systems according to claim 1, is characterized in that: topworks's self-return when described reseting module breaks down for motor.
13. a kind of radiomaterial intelligent detection and control systems according to claim 1, is characterized in that: described case and bag mark unit gives the numbering N of case and bag and records case and bag length L.
14. a kind of radiomaterial intelligent detection and control systems according to claim 1, is characterized in that: the radioactive intensity of the detected case and bag of described intensity level record data unit record.
15. a kind of radiomaterial intelligent detection and control systems according to claim 1, is characterized in that: the intensity level of two case and bag that exceed standard that described intensity level comparing data unit is more close.
16. a kind of radiomaterial intelligent detection and control systems according to claim 1, it is characterized in that: the center of the case and bag that computational data unit, described case and bag center calculating strength value is large, and calculating central position arrives the time t of the position at push rod center.
17. a kind of radiomaterial intelligent detection and control systems according to claim 17, it is characterized in that: the time t that described center arrives the position at push rod center is the larger case and bag length L 1 of described intensity level comparison module numerical value more out, photoelectric tube two is L to the distance at push rod center, belt speed is S, t=(L-L1/2)/S.
18. 1 kinds of radiomaterial intelligent detecting methods, is characterized in that:
Step 1: if when case and bag pass through radiac, radioactive intensity is less than setting threshold values, is judged to be and does not carry radioactive source, case and bag normal transmission;
Step 2: when case and bag pass through, radioactive intensity surpasses threshold values, is determined with radiomaterial, and this case and bag sequence number of software records, is assumed to N;
Step 3: when the case and bag radioactive intensity of sequence number N+1 is when setting threshold values, judge that N case and bag are as radioactive source;
Step 4: if the radioactive intensity of N+1 is higher than setting threshold values, relatively two case and bag radioactive intensities are big or small, as N case and bag radioactive intensity is greater than bag radioactive intensity No. N+1, judges that N case and bag are radioactive source;
Step 5: continue relatively N+2 case and bag as N case and bag radioactive intensity is less than N+1 case and bag radioactive intensity; If do not carry out next case and bag in 2S, just think that current case and bag are radioactive sources; Repeat above-mentioned steps, the radioactive intensity of judgement N+2 case and bag and N+1 case and bag, until find out maximal value;
Step 6: the numbering that is judged to be radioactive source case and bag is sent to control system, and prepare to push away bag.
19. a kind of radiomaterial intelligent detecting methods according to claim 18, is characterized in that, described threshold value setting method is:
Step 1: if V=2 and X
a+1, X
a+2wherein be greater than B and X
a>X
a+1>X
a+2, these case and bag do not carry radioactive source clearance;
Step 2: if V=2 and X
a+1, X
a+2wherein be greater than B and (X
a+1>X
a+2) & & (X
a+1>X
a) this bag be that radioactive source carries case and bag and isolates;
Step 3: if V=2 and X
a+1, X
a+2wherein be greater than B and (X
a+2>X
a+1>X
a), these case and bag are let pass;
Step 4: if V>2 and X
a+1, X
a+2x
a+vwherein there is the value that is greater than B, and (X
(((a+v)/2)+1)> X
(((a+v)/2)+2))aMP.AMp.Amp & (X
(((a+v)/2)+1)> X
(((a+v)/2)-2)), these case and bag are that radioactive source carries case and bag;
Step 5: if there is X
a+V>>X
aand case and bag have the value that is greater than B, (X in the data of out-of-date reception
(((a+v)/2)+1)> X
(((a+v)/2)+2)>X
(((a+v)/2)-1)>>X
a) & & (X
a+v>B), the case and bag of back may also have radioactive source;
The radioelement data amount check, a that when wherein B is a bag process radiac for alarming threshold value, the V setting, receive are current reception numerical value number X
a+1, X
a+2... X
a+Vfor radioelement value.
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|---|---|---|---|
| CN201410009014.XA CN103744102B (en) | 2014-01-09 | 2014-01-09 | Intelligent detection method and control system for radioactive substances |
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Citations (5)
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|---|---|---|---|---|
| JP2009069123A (en) * | 2007-09-18 | 2009-04-02 | Hitachi-Ge Nuclear Energy Ltd | Radioactivity measurement method of radioactive waste |
| CN201237645Y (en) * | 2008-04-30 | 2009-05-13 | 宋跃进 | On-line positioning and monitoring apparatus for radioactive source |
| CN101606083A (en) * | 2006-10-27 | 2009-12-16 | 洛斯阿拉莫斯国家安全股份有限公司 | Detection of particles and application thereof aspect safety and portal monitoring |
| JP2010101861A (en) * | 2008-10-27 | 2010-05-06 | Fujitsu Ltd | Radiation work management device, base station, and radiation work management program |
| CN201698028U (en) * | 2010-07-06 | 2011-01-05 | 北京树诚测控技术有限公司 | Radioactive source monitoring system |
-
2014
- 2014-01-09 CN CN201410009014.XA patent/CN103744102B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101606083A (en) * | 2006-10-27 | 2009-12-16 | 洛斯阿拉莫斯国家安全股份有限公司 | Detection of particles and application thereof aspect safety and portal monitoring |
| JP2009069123A (en) * | 2007-09-18 | 2009-04-02 | Hitachi-Ge Nuclear Energy Ltd | Radioactivity measurement method of radioactive waste |
| CN201237645Y (en) * | 2008-04-30 | 2009-05-13 | 宋跃进 | On-line positioning and monitoring apparatus for radioactive source |
| JP2010101861A (en) * | 2008-10-27 | 2010-05-06 | Fujitsu Ltd | Radiation work management device, base station, and radiation work management program |
| CN201698028U (en) * | 2010-07-06 | 2011-01-05 | 北京树诚测控技术有限公司 | Radioactive source monitoring system |
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Denomination of invention: Intelligent detection method for radioactive substance and control system Effective date of registration: 20200407 Granted publication date: 20160601 Pledgee: Beijing Yanhong Financing Guarantee Co.,Ltd. Pledgor: SINOCLOUD WISDOM (BEIJING) TECHNOLOGY Co.,Ltd. Registration number: Y2020990000282 |
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Date of cancellation: 20211221 Granted publication date: 20160601 Pledgee: Beijing Yanhong Financing Guarantee Co.,Ltd. Pledgor: SINOCLOUD WISDOM (BEIJING) TECHNOLOGY Co.,Ltd. Registration number: Y2020990000282 |