CN109975886A - A kind of neutron rays safety detection apparatus - Google Patents
A kind of neutron rays safety detection apparatus Download PDFInfo
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- CN109975886A CN109975886A CN201910359612.2A CN201910359612A CN109975886A CN 109975886 A CN109975886 A CN 109975886A CN 201910359612 A CN201910359612 A CN 201910359612A CN 109975886 A CN109975886 A CN 109975886A
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- neutron
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- scintillator
- light
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- 238000001514 detection method Methods 0.000 title claims abstract description 82
- 238000005259 measurement Methods 0.000 claims abstract description 19
- 239000013307 optical fiber Substances 0.000 claims abstract description 10
- 239000000463 material Substances 0.000 claims description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 7
- 238000010884 ion-beam technique Methods 0.000 claims description 3
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 3
- 239000002245 particle Substances 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 claims 1
- 108010066057 cabin-1 Proteins 0.000 description 8
- 238000007689 inspection Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 235000013372 meat Nutrition 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000035515 penetration Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
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- G01V5/22—
Abstract
The invention discloses a kind of neutron rays safety detection apparatus, including detection cabin and conveyer belt, both ends are opening setting to detection cabin in the front-back direction, conveyer belt is arranged along the longitudinal direction and passes through from detection cabin, detect the neutron detection scintillator that the neutron emitting source of given-ioff neutron upward and reception neutron are equipped in cabin, the downside of conveyer belt is arranged in neutron emitting source, the upper side of detection cabin is formed by neutron detection with scintillator, and the upper side of the neutron detection scintillator is equipped with light-transmitting plate；It further include detecting the light issued from the neutron detection scintillator and the photodetector for being converted into electric signal, photodetector has multiple optical fiber and multiple photodetectors, it further include neutron measurement device, computer, neutron measurement device is connect with photodetector, neutron measurement device is used to record the number of light emission times of photodetector, computer is connect with neutron measurement device, and number of light emission times and the position of neutron measurement device record can be shown on computer.
Description
Technical field
The present invention relates to technical field of security inspection equipment, and in particular to a kind of neutron rays safety detection apparatus.
Background technique
As the criminal activities such as the attack of terrorism, traffic in drugs, smuggling are becoming increasingly rampant in world wide, national governments constantly plus
By force to the safety inspection of various public places.In airport, station, shipping yard, conference and exhibition center, government bodies, colosseum
And the important places such as frontier inspection port are each configured with the rays safety detection apparatus that safety detection is carried out to luggage.Existing rays safety detection apparatus is all
It needs to assist carrying out by computer equipment to see whether there are violation article, can not intuitively be judged by naked eyes.
Summary of the invention
Aiming at the problem that pointing out in background technique, the present invention provides a kind of neutron rays safety detection apparatus, can be by calculating
Machine equipment assists carrying out seeing whether can also observing by the naked eye there are violation article to be judged.
A kind of neutron rays safety detection apparatus, including detection cabin and conveyer belt, both ends are opening to detection cabin in the front-back direction
Setting, conveyer belt are arranged along the longitudinal direction and pass through from detection cabin, and the neutron of given-ioff neutron upward is equipped in detection cabin
Emission source and the neutron detection scintillator for receiving neutron, neutron emitting source are arranged in the downside of conveyer belt, detect the upper of cabin
Side is formed by neutron detection with scintillator, and the upper side of the neutron detection scintillator is equipped with light-transmitting plate, light-transmitting plate
It is made of light-proof material, light-transmitting plate is equipped with evenly distributed loophole；
It further include detecting the light issued from the neutron detection scintillator and the photodetector for being converted into electric signal, light
Detector has multiple optical fiber and multiple photodetectors, and multiple optical fiber correspond to the more of the incidence surface of neutron detection scintillator
A position setting, it further includes neutron measurement device, computer, neutron moisture that multiple photodetectors are arranged corresponding to multiple optical fiber
Amount device is connect with photodetector, and neutron measurement device is used to record the number of light emission times of photodetector, computer and neutron
Measuring device connects, and number of light emission times and the position of neutron measurement device record can be shown on computer.
The present invention is further arranged to, and the detection cabin includes the framework of pedestal and U-shaped, and framework includes left frame
Body, right framework, upper frame body, wherein upper frame body is neutron detection scintillator, and cavity is equipped in left frame body and right framework, described
Water is filled in cavity forms shielded layer.
The present invention is further arranged to, and the rear and front end of the detection cabin is respectively equipped with lead curtain.
The present invention is further arranged to, and the light-transmitting plate upper end also sets up a transparent cover, the cover
Inside is hollow setting, and the inside of cover fills water.
The present invention is further arranged to, and the front end of the detection cabin is equipped with countercheck rod, and countercheck rod is located at lead
The front side of curtain.
The present invention is further arranged to, and the neutron emitting source includes the charged particle source for being sequentially connected setting, adds
Fast device, ion beam adjuster, target further include container and tubular shielding component, and target is arranged inside container, and tubular shielding component is set
It sets at the NEUTRON EMISSION end of container, tubular shielding component is vertically arranged.
Beneficial effects of the present invention:
Neutron rays safety detection apparatus provided herein, utilize neutron stronger penetration performance, neutron pass through traveller's case into
Row detection, the neutron across traveller's case are received by neutron detection with scintillator again, and neutron detection scintillator can issue naked eyes
Visible light, such people can intuitively see the variation of the light of neutron detection scintillator by naked eyes, to judge to examine
It surveys as a result, as there are violation article (current violation article all can generate stronger attenuation to neutron), neutron inspections for cabinet
The neutron population that survey is received with scintillator corresponding position will significantly reduce, and shine dimmed or do not shine, from by people's naked eyes
It recognizes, while the data feedback that neutron detection can also be detected with scintillator carries out figure by computer to computer
As display, observed convenient for operator on duty.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is side view of the invention；
Fig. 3 is the structural schematic diagram of light-transmitting plate of the present invention；
Fig. 4 is the schematic diagram of measurement result intelligent display of the present invention.
Specific embodiment
With reference to the accompanying drawings and examples, specific embodiments of the present invention will be described in further detail.Implement below
Example is not intended to limit the scope of the invention for illustrating the present invention.
Below with reference to Fig. 1 to Fig. 4, the present invention will be described.
A kind of neutron rays safety detection apparatus, including detection cabin 1 and conveyer belt 2, detection cabin 1 are out at both ends in the front-back direction
Mouth setting, conveyer belt 2 are arranged along the longitudinal direction and pass through from detection cabin 1, and detected material is conveyed on the conveyor belt, and
Pass through from detection cabin.
Detect the neutron detection scintillator that the neutron emitting source 3 of given-ioff neutron upward and reception neutron are equipped in cabin 1
4, the downside of conveyer belt 2 is arranged in neutron emitting source 3, and the upper side of detection cabin 1 is formed by neutron detection scintillator 4, penetrated
Neutron beam out passes through directive neutron detection scintillator 4 after detected material, and neutron detection issues visible light with scintillator 4.
The upper side of neutron detection scintillator 4 is equipped with light-transmitting plate 5, and light-transmitting plate 5 is made of light-proof material,
Light-transmitting plate 5 is equipped with evenly distributed loophole 6, and light-transmitting plate 5 plays the mesh for carrying out position division with scintillator 4 to neutron detection
, the corresponding position of each loophole is also convenient for simultaneously in this way convenient for finding that region of detected material there are violation article
People's visually observes, that position light changes, and compares obvious.
It further include detecting the light issued from the neutron detection scintillator 4 and the photodetector for being converted into electric signal,
Photodetector has multiple optical fiber 41 and multiple photodetectors 42, and the corresponding neutron detection scintillator 4 of multiple optical fiber 41 enters
Multiple positions of reflective surface are arranged, and it further includes neutron measurement device that multiple photodetectors 42 are arranged corresponding to multiple optical fiber 41
43, computer 44, neutron measurement device 43 are connect with photodetector 42, and neutron measurement device 43 is for recording photodetector
42 number of light emission times, computer 44 are connect with neutron measurement device 43, can show that neutron measurement device 43 records on computer 44
Number of light emission times and position.Display and the neutron detection corresponding plan view of scintillator 4, such neutron detection sudden strain of a muscle on computer
The number of light emission times of bright 4 that position of body and position can be accurately reacted on computer, be observed convenient for operator on duty.
Wherein, the framework of the detection cabin 1 including pedestal and U-shaped, framework include left frame body 71, right framework 72, on
Framework, wherein upper frame body is neutron detection scintillator 4, is equipped with cavity 74, the cavity in left frame body 71 and right framework 72
Water is filled in 74 forms shielded layer.Water layer can play the shielding action to neutron.
Wherein, the rear and front end of the detection cabin 1 is respectively equipped with lead curtain 8, and the front end of the detection cabin 1 is equipped with
Equipped with countercheck rod 9, countercheck rod 9 is located at the front side of lead curtain 8.Countercheck rod 9 plays the barrier effect to lead curtain 8, prevents lead curtain 8 with quilt
Detectable substance moves forward in cabin together.
Wherein, 5 upper end of light-transmitting plate also sets up a transparent cover 10, is hollow set inside the cover 10
It sets, the inside of cover 10 fills water.Cover 10 also functions to the effect of shielding neutron irradiation, while cover is made of clear material,
It will not influence to observe.
Wherein, the neutron emitting source 3 includes charged particle source, accelerator, the ion beam adjusting for being sequentially connected setting
Device, target further include container and tubular shielding component, and target is arranged inside container, and the neutron of container is arranged in tubular shielding component
Transmitting terminal, tubular shielding component are vertically arranged.
Beneficial effects of the present invention:
Neutron rays safety detection apparatus provided herein, utilize neutron stronger penetration performance, neutron pass through traveller's case into
Row detection, the neutron across traveller's case are received by neutron detection scintillator 4 again, and neutron detection scintillator 4 can issue meat
The visible light of eye, such people can intuitively see the variation of the light of neutron detection scintillator 4 by naked eyes, to judge
Testing result, as there are violation article (current violation article all can generate stronger attenuation to neutron), neutrons for cabinet
Detection will be significantly reduced with the neutron population that 4 corresponding position of scintillator receives, and shone dimmed or do not shone, from by people's meat
Outlook is clipped to, while the data feedback that neutron detection scintillator 4 can also be detected is carried out to computer by computer
Image is shown, is observed convenient for operator on duty.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, without departing from the technical principles of the invention, several improvements and modifications can also be made, above-mentioned hypothesis these
Improvement and modification also should be regarded as protection scope of the present invention.
Claims (6)
1. a kind of neutron rays safety detection apparatus, it is characterised in that: including detection cabin and conveyer belt, detect cabin both ends in the front-back direction
It is opening setting, conveyer belt is arranged along the longitudinal direction and passes through from detection cabin, is equipped in transmitting upward in detection cabin
The downside of conveyer belt is arranged in the neutron emitting source of son and the neutron detection scintillator for receiving neutron, neutron emitting source, detects
The upper side of cabin is formed by neutron detection with scintillator, and the upper side of the neutron detection scintillator is equipped with light transmission
Plate, light-transmitting plate are made of light-proof material, and light-transmitting plate is equipped with evenly distributed loophole；
It further include detecting the light issued from the neutron detection scintillator and the photodetector for being converted into electric signal, light detection
Device has multiple optical fiber and multiple photodetectors, and multiple optical fiber correspond to multiple positions of the incidence surface of neutron detection scintillator
It installs, multiple photodetectors are arranged corresponding to multiple optical fiber, further include neutron measurement device, computer, neutron measurement dress
It sets and is connect with photodetector, neutron measurement device is used to record the number of light emission times of photodetector, computer and neutron measurement
Device connects, and number of light emission times and the position of neutron measurement device record can be shown on computer.
2. a kind of neutron rays safety detection apparatus according to claim 1, it is characterised in that: the detection cabin include pedestal and
The framework of U-shaped, framework include left frame body, right framework, upper frame body, and wherein upper frame body is neutron detection scintillator, left frame body and
It is equipped with cavity in right framework, water is filled in the cavity and forms shielded layer.
3. a kind of neutron rays safety detection apparatus according to claim 1, it is characterised in that: the rear and front end of the detection cabin
It is respectively equipped with lead curtain.
4. a kind of neutron rays safety detection apparatus according to claim 1, it is characterised in that: the light-transmitting plate upper end also sets up one
A transparent cover, the cover inside is hollow setting, and the inside of cover fills water.
5. a kind of neutron rays safety detection apparatus according to claim 3, it is characterised in that: the front end of the detection cabin is equipped with
Equipped with countercheck rod, countercheck rod is located at the front side of lead curtain.
6. a kind of neutron rays safety detection apparatus according to claim 1, it is characterised in that: the neutron emitting source includes successively
Charged particle source, the accelerator, ion beam adjuster, target for connecting setting, further include container and tubular shielding component, and target setting exists
Inside container, the NEUTRON EMISSION end of container is arranged in tubular shielding component, and tubular shielding component is vertically arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910359612.2A CN109975886A (en) | 2019-04-30 | 2019-04-30 | A kind of neutron rays safety detection apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910359612.2A CN109975886A (en) | 2019-04-30 | 2019-04-30 | A kind of neutron rays safety detection apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109975886A true CN109975886A (en) | 2019-07-05 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910359612.2A Pending CN109975886A (en) | 2019-04-30 | 2019-04-30 | A kind of neutron rays safety detection apparatus |
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| Country | Link |
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| CN (1) | CN109975886A (en) |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1990013900A1 (en) * | 1989-05-08 | 1990-11-15 | Scientific Innovations, Inc. | Photoneutron method of detection of explosives in luggage |
| US5278418A (en) * | 1990-03-13 | 1994-01-11 | Broadhurst John H | Luggage explosive detector |
| US5479023A (en) * | 1992-04-09 | 1995-12-26 | Institute Of Geological And Nuclear Sciences, Ltd. | Method and apparatus for detecting concealed substances |
| JP2004108994A (en) * | 2002-09-19 | 2004-04-08 | Hitachi Ltd | Baggage inspection device |
| CN1723388A (en) * | 2002-12-10 | 2006-01-18 | 联邦科学和工业研究委员会(根据1949年科学和工业研究法案建立,后修改并继续为科学和工业研究委员会) | Radiographic equipment |
| US20070069145A1 (en) * | 2003-05-16 | 2007-03-29 | Institut Fur Umwelttechnologien Gmbh | Procedure and facility for providing proof of dangerous goods in pieces of baggage |
| US20100059665A1 (en) * | 2005-11-01 | 2010-03-11 | The Regents Of The Universtiy Of California | Contraband detection system |
| CN102288982A (en) * | 2011-05-17 | 2011-12-21 | 中国科学院高能物理研究所 | Scintillator-based two-dimensional position detection system |
| CN102590851A (en) * | 2012-01-11 | 2012-07-18 | 上海新漫传感技术研究发展有限公司 | Radioactive monitoring system for pedestrians and baggage |
| CN206431068U (en) * | 2017-01-12 | 2017-08-22 | 乔功明 | Neutron detection machine |
| CN209624794U (en) * | 2019-04-30 | 2019-11-12 | 北京中百源国际科技创新研究有限公司 | A kind of neutron rays safety detection apparatus |
-
2019
- 2019-04-30 CN CN201910359612.2A patent/CN109975886A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1990013900A1 (en) * | 1989-05-08 | 1990-11-15 | Scientific Innovations, Inc. | Photoneutron method of detection of explosives in luggage |
| US5278418A (en) * | 1990-03-13 | 1994-01-11 | Broadhurst John H | Luggage explosive detector |
| US5479023A (en) * | 1992-04-09 | 1995-12-26 | Institute Of Geological And Nuclear Sciences, Ltd. | Method and apparatus for detecting concealed substances |
| JP2004108994A (en) * | 2002-09-19 | 2004-04-08 | Hitachi Ltd | Baggage inspection device |
| CN1723388A (en) * | 2002-12-10 | 2006-01-18 | 联邦科学和工业研究委员会(根据1949年科学和工业研究法案建立,后修改并继续为科学和工业研究委员会) | Radiographic equipment |
| US20070069145A1 (en) * | 2003-05-16 | 2007-03-29 | Institut Fur Umwelttechnologien Gmbh | Procedure and facility for providing proof of dangerous goods in pieces of baggage |
| US20100059665A1 (en) * | 2005-11-01 | 2010-03-11 | The Regents Of The Universtiy Of California | Contraband detection system |
| CN102288982A (en) * | 2011-05-17 | 2011-12-21 | 中国科学院高能物理研究所 | Scintillator-based two-dimensional position detection system |
| CN102590851A (en) * | 2012-01-11 | 2012-07-18 | 上海新漫传感技术研究发展有限公司 | Radioactive monitoring system for pedestrians and baggage |
| CN206431068U (en) * | 2017-01-12 | 2017-08-22 | 乔功明 | Neutron detection machine |
| CN209624794U (en) * | 2019-04-30 | 2019-11-12 | 北京中百源国际科技创新研究有限公司 | A kind of neutron rays safety detection apparatus |
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Effective date of registration: 20200121 Address after: 523808 room 310, building 1, No. 8, South Industrial Road, Songshanhu Park, Dongguan City, Guangdong Province Applicant after: Guangdong Taiwei accelerator Co., Ltd Address before: 101149 Beijing Tongzhou Canal Core Area IV-07 Block Greenbelt Building, 22 Floors 21389 Applicant before: Beijing Zhongbaiyuan International Science and Technology Innovation Research Co., Ltd. |