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CN201181282Y - Novel portable desk type liquid safety inspection tester structure - Google Patents

Novel portable desk type liquid safety inspection tester structure Download PDF

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Publication number
CN201181282Y
CN201181282Y CNU2008200347445U CN200820034744U CN201181282Y CN 201181282 Y CN201181282 Y CN 201181282Y CN U2008200347445 U CNU2008200347445 U CN U2008200347445U CN 200820034744 U CN200820034744 U CN 200820034744U CN 201181282 Y CN201181282 Y CN 201181282Y
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CN
China
Prior art keywords
safety inspection
rack
ray
portable desk
production apparatus
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CNU2008200347445U
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Chinese (zh)
Inventor
丁厚本
陈勇
汪崇森
曹新传
丁莉
史崯
乔长富
张珍
周坤明
汪子明
丁青
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Individual
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Individual
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Priority to CNU2008200347445U priority Critical patent/CN201181282Y/en
Application granted granted Critical
Publication of CN201181282Y publication Critical patent/CN201181282Y/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model relates to a novel portable desk-top liquid safety inspection instrument structure, which comprises an X-ray emitter and a front collimator thereof, a detector array and a rear collimator array thereof, a rack, etc., wherein the X-ray emitter is arranged on a support capable of changing the inclination angle; the detector array is arranged on a bottom platform; the rack is arranged on the outer side in front of a chassis and can move back and forth to change the inclination angle; and the three parts can constitute the better geometric structure for Compton back-scattering scanning detection. The portable desk-top liquid safety inspection instrument structure has the advantages of high detection efficiency, high matter discrimination ability, and good radiation safety, and completely suits field safety inspection of liquid, gel and paste matters.

Description

Novel and portable desk-top liquid safety inspection instrument structure
Technical field
The utility model relates to a kind of portable bench-type liquid safe somascope, more particularly is based on the structure of the liquid safe somascope of compton backscattering effect in X ray and the matter interaction, and it is widely used in airport, important venue and special occasions.
Background technology
In the last few years, the attack of terrorism was probably attacked gimmick and was constantly updated again in rapid succession, until the tested self-control liquid bomb of finding occurring being difficult for.
At present, the airport does not have any effective inspection method for the liquid substance that the passenger carries.Domestic and international existing liquid rays safety detection apparatus, mainly contain (based on Raman spectroscopy) " first bodyguard " hand-held liquid safety check instrument that U.S. Ahura Scientific company produces, the Liuid Scan hand-held liquid detection instrument that utilizes accurate static tomography technology that the SCANNA MSC company that the U.S. cooperates with Britain produces, the bottling liquid somascope that Tokyo gas engineering corporation produces based on electrical characteristics, and the liquid detection instrument developed of U.S. RapiscanSystems company, all owing to detect the defective of principle or be subject to external interference or detected material scope limitation is big or other shortcomings and accuracy is very poor, be that false alarm rate and leakage alarm rate are bigger, though some characteristics are respectively arranged, all can't drop into on-the-spot the use.On the other hand, manual inspection problem is also a lot, for example: the first, be difficult to the situation of peak period that defeats an examination, because must open bottle cap one by one, the processing procedure spended time causes the passenger to stand in a long queue; The second, passenger's inconvenience, each bottles to be opened such as passenger's palpus are heard flavor inspection, or allow the passenger drink liquid article in the bottle, make us very unhappy; The 3rd, the security staff checks may be wrong, causes neglecting suspicious liquid article; The 4th, the security staff has by the risk of germ or virus infections.In view of the foregoing, the regulation of a lot of strictnesses has been done on the airport by various countries, until forbidding carrying any liquid substance.But this is not long-term plan after all, must solve in-situs tester device equipment and technology problem as early as possible.
The utility model content
The purpose of this utility model provides a kind of novel and portable desk-top liquid safety inspection instrument structure, and it can be fast, safety, differentiate unknown liquid exactly and needn't open container, again not what influence of receptor material and amount of liquid.The utility model cooperates the electronics part promptly to become complete machine, and the on-the-spot security inspection personnel can detect whether the liquid that the passenger carries is inflammable and explosive or corrosive substance with it.
The technical solution of the utility model is as follows:
Novel and portable desk-top liquid safety inspection instrument structure, include cabinet, base, X-ray production apparatus and preceding collimating apparatus thereof, detector array reaches collimator array thereafter, rack, it is characterized in that: described X-ray production apparatus is installed on the base in the cabinet by support, described X-ray production apparatus the place ahead is equipped with rack, rack has the X ray screen layer outward, back collimating apparatus and detector array are installed on the described chassis base, and described X-ray production apparatus, rack, detector constitute compton backscattering scanning and detect how to learn structure.
Described novel and portable desk-top liquid safety inspection instrument structure is characterized in that described rack adopts the physical construction that can move forward and backward and change the inclination angle, and X-ray production apparatus is installed the physical construction that adopts inclined angle-adjustable.
Described novel and portable desk-top liquid safety inspection instrument structure, it is characterized in that the back collimator array is installed in detector array the place ahead, compton backscattering X ray warp collimating apparatus later enters detector array, and each termination, detector sensitive volume extended line converges and be crossing with the X-ray beam that passes through measured object of X-ray production apparatus emission.
Described novel and portable desk-top liquid safety inspection instrument structure, the angle before it is characterized in that between the direction of the direction of collimating aperture and back collimating aperture is that compton backscattering angle θ is 120 °~165 ° scopes.
Described novel and portable desk-top liquid safety inspection instrument structure, it is characterized in that rack is close to the cabinet front side board and installs, the cabinet front side board has two sizes and favorably situated hole, is arranged in the path that the X-ray beam of the X-ray beam of X-ray production apparatus emission and backward scattering passes through.
Described novel and portable desk-top liquid safety inspection instrument structure is characterized in that described rack is tubular, V-shaped groove or platform structure.
Described novel and portable desk-top liquid safety inspection instrument structure is characterized in that described detector array classifies scintillation crystal and the silicon photoelectric diode or the photomultiplier of linear array or face battle array as.
Rack inclination of the present utility model is placed and is installed on the cabinet front side board, upper and lower x-ray source and the detector array of being mounted with in a side cabinet of rack, and the detector array structure of X-ray production apparatus of Fang Zhiing and horizontal setting is at an angle sideling.
Described X-ray production apparatus requires measured object is placed in the rack at scalable longitudinal separation and inclination angle when liquid is checked.
The utility model has the advantages that:
(1) accuracy is good, and promptly leakage alarm rate and the false alarm rate to liquid explosive, inflammable thing, corrosives etc. is all very low, and is irrelevant with what, the kind of the material of packing and container, liquid substance and color etc. of amount of liquid.
(2) highly sensitive.The minimum amount of liquid that can accurately detect only is tens milliliters.
(3) highly intelligent, detection time is short, and response speed is fast, and the X-ray scanning time only is several seconds.
(4) reliable and stable, be not subjected to the interference of external environment.
(5) radsafe is good, and is easy and simple to handle, has no special requirements to using the scene.
(6) P/C is than high.
Major technique feature of the present utility model is:
What 1, the utility model adopted is X ray compton backscattering scanning (CBS-ComptonBackscatter Scanning) technology, angle theta between the direction (being the primary beam working direction) of preceding collimating aperture and the back collimating aperture direction (being the direction that scattered-out beam enters detector array) is the Compton scattering angle, when θ 〉=90 °, be called compton backscattering.The Compton scattering angle θ that the utility model adopts selects in 120 °~165 ° scopes.
2, detection is adopted the road that conducts electricity mainly by detector array (scintillation crystal of linear array or face battle array and silicon photoelectric diode or photomultiplier), multichannel modulate circuit (containing pre-amplification circuit and main amplifying circuit), multichannel card threshold cirtuit, multi-way switch circuit, analog to digital converter ADC, programmable logic device (CPLD) or programmable gate array FPGA, show and warning circuit, and composition such as power supply.
3, computer system comprises notebook computer (be used for demarcate to set up sample data storehouse, exploitation and modification software etc. in inside) and embedded system (ARM7 or ARM9).
4, the rack of particular design in the cabinet front end outside, not only can move forward and backward but also can change the inclination angle.
5, on physical construction, the X-ray production apparatus mounting bracket can change the inclination angle of X-ray production apparatus, and the detector array mounting platform can change detector front and back position in the horizontal direction.
The utility model detection efficiency height, detection accuracy is good, distinguishes that physical capacity is strong, and is lighter, easy and simple to handle, and it is eye-catching to report to the police, and detection speed is fast, and radsafe is good, is applicable to on-the-spot safety detection to liquid and paste shape material fully.
Description of drawings
Fig. 1 is the utility model general structure synoptic diagram.
Fig. 2 is the utility model panel synoptic diagram.
Fig. 3 surveys for the utility model and adopts the biography system block diagram.
The parts that label among the figure is represented are as follows:
1, X-ray production apparatus
2, preceding collimating apparatus
3, X-ray production apparatus mounting bracket
4, detector array
5, back collimator array
6, detector array mounting platform
7, adopt biography electronic system PCB
8, the power supply of using for X-ray production apparatus
9, X-ray production apparatus control enclosure
10, cabinet front side board
11, the wheel of band stop
12, chassis base
13, measured object
14, rack
15, rack chassis
16, lead shield plate
17, lead shield plate before the cabinet
18, lead shield plate behind the cabinet
19, single-phase AC electrical socket
20, total power switch
21, LCD or touch-screen
22, scan button
23, selector button
24, green light (indicating safe thing to pass through)
25, red light (the indication suspicious item is reported to the police)
26, pass the power supply that electronic system is used for surveying to adopt
27, multichannel analog signals modulate circuit
28, multi-way switch circuit
29, analog to digital converter (ADC)
30, multichannel card threshold cirtuit
31, programmable logic device (PLD) (CPLD) or field programmable gate array (FPGA)
32, embedded system (ARM7 or ARM9)
33, suspicious item warning circuit
34, " safe thing passes through " indicator circuit
35, host computer serial RS232 interface
36, RS232 cable socket
37, the X ray of X-ray production apparatus emission
38, back scattering X-ray
Embodiment
Referring to Fig. 1, on chassis base 12, X-ray production apparatus mounting bracket 3 and detector array mounting platform 6 are installed, again X-ray production apparatus 1 and preceding collimating apparatus 2 are installed on the X-ray production apparatus mounting bracket 3, and mix up predetermined angle of inclination, detector array 4 and back collimator array 5 are installed on the detector array mounting platform 6, and are transferred to predetermined front and back position, tubular rack 14 is installed on the X-ray production apparatus cabinet front side board 10, and there is lead shield plate 16 in the outside.X-ray production apparatus 1, rack 14, detector array 4 constitute compton backscattering scanning and detect the geometry structure.Compton scattering angle θ selects in 120 °~165 ° scopes.
Power supply 8 launches X ray 37 by control enclosure 9 startup X-ray production apparatus for X-ray production apparatus 1 power supply back, behind preceding collimating apparatus 2 collimations, arrive measured object 13, the back scattering X-ray 38 that produces through after collimating apparatus 5 enter detector array 4, the signal of output is handled through adopting the subsystem PCB 7 of conducting electricity, provide at last show 21 and " suspicious " lamp 25 or " by " lamp 24 lights.
Referring to Fig. 2, after opening total power switch 20 preheatings, measured object 13 is put into rack 14, by select button 23 (selecting detecting pattern and passage), again by scan button 22, X-ray production apparatus 1 emission X ray 37 if at this moment green light 24 is bright, shows it is that safe thing passes through by preceding collimating apparatus 2 scanning measured objects 13 after postponing several seconds; If red light 25 is bright, show it is that suspicious item is reported to the police.Demonstrate the substance classes and the sweep parameter of measured object simultaneously on the LCDs.
Referring to Fig. 3, back scattering X-ray 38 enters detector array 4 each road by back collimator array 5,27 (the comprising prime amplifier and main amplifier etc.) of signal process multiple signals modulate circuit of detector output, the signal of its output arrives analog to digital converter (ADC) 29 through multi-way switch circuit 28, the output digitized signal is to programmable logic device (CPLD) or gate array (FPGA) 31, finish multichannel pulse amplitude analysis, examination threshold value to multichannel card threshold cirtuit 30 is regulated, the result that CPLD or FPGA will collect sends into embedded system (ARM7 or ARM9) 32 and carries out various processing, measured object is discerned, if safe thing is just given indicator circuit 34 signals, if suspicious item is just given warning circuit 33 signals, if do further processing, just information is sent to host computer by RS232 interface 35.

Claims (7)

1, novel and portable desk-top liquid safety inspection instrument structure, include cabinet, base, X-ray production apparatus and preceding collimating apparatus thereof, detector array reaches collimator array thereafter, rack, it is characterized in that: described X-ray production apparatus is installed on the base in the cabinet by support, described X-ray production apparatus the place ahead is equipped with rack, rack has the X ray screen layer outward, back collimating apparatus and detector array are installed on the described chassis base, and described X-ray production apparatus, rack, detector constitute compton backscattering scanning and detect how to learn structure.
2, novel and portable desk-top liquid safety inspection instrument structure according to claim 1 is characterized in that described rack adopts the physical construction that can move forward and backward and change the inclination angle, and X-ray production apparatus is installed the physical construction that adopts inclined angle-adjustable.
3, novel and portable desk-top liquid safety inspection instrument structure according to claim 1, it is characterized in that the back collimator array is installed in detector array the place ahead, compton backscattering X ray warp collimating apparatus later enters detector array, and each termination, detector sensitive volume extended line converges and be crossing with the X-ray beam that passes through measured object of X-ray production apparatus emission.
4, novel and portable desk-top liquid safety inspection instrument structure according to claim 1, the angle before it is characterized in that between the direction of the direction of collimating aperture and back collimating aperture is that compton backscattering angle θ is 120 °~165 ° scopes.
5, novel and portable desk-top liquid safety inspection instrument structure according to claim 1, it is characterized in that rack is close to the cabinet front side board and installs, the cabinet front side board has two sizes and favorably situated hole, is arranged in the path that the X-ray beam of the X-ray beam of X-ray production apparatus emission and backward scattering passes through.
6, novel and portable desk-top liquid safety inspection instrument structure according to claim 1 is characterized in that described rack is tubular, V-shaped groove or platform structure.
7, novel and portable desk-top liquid safety inspection instrument structure according to claim 1 is characterized in that described detector array classifies scintillation crystal and the silicon photoelectric diode or the photomultiplier of linear array or face battle array as.
CNU2008200347445U 2008-04-21 2008-04-21 Novel portable desk type liquid safety inspection tester structure Expired - Fee Related CN201181282Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CNU2008200347445U CN201181282Y (en) 2008-04-21 2008-04-21 Novel portable desk type liquid safety inspection tester structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CNU2008200347445U CN201181282Y (en) 2008-04-21 2008-04-21 Novel portable desk type liquid safety inspection tester structure

Publications (1)

Publication Number Publication Date
CN201181282Y true CN201181282Y (en) 2009-01-14

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CNU2008200347445U Expired - Fee Related CN201181282Y (en) 2008-04-21 2008-04-21 Novel portable desk type liquid safety inspection tester structure

Country Status (1)

Country Link
CN (1) CN201181282Y (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010086636A3 (en) * 2009-01-27 2010-11-25 Durham Scientific Crystals Limited Prescan of an object with the object in motion and subsequent localized scan of the object with the object at rest
CN102749343A (en) * 2012-07-24 2012-10-24 丁青 Liquid safety inspection instrument based on Compton back-scattering scanning technology
CN102783968A (en) * 2012-09-04 2012-11-21 丁厚本 Micro-dose medical CBS-CT machine used on site
CN102918379A (en) * 2010-02-10 2013-02-06 斯伦贝谢挪威公司 Automated Drilling Fluid Analyzer
CN104267053A (en) * 2014-09-30 2015-01-07 包微微 Novel detector for liquid prohibited articles
US11892421B2 (en) 2021-12-06 2024-02-06 Schlumberger Technology Corporation System and method for cleaning electrical stability probe

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010086636A3 (en) * 2009-01-27 2010-11-25 Durham Scientific Crystals Limited Prescan of an object with the object in motion and subsequent localized scan of the object with the object at rest
CN102301226B (en) * 2009-01-27 2015-02-11 克罗梅克有限公司 Object prescanning when the object moves and subsequent local scanning when the object stays still
CN102918379A (en) * 2010-02-10 2013-02-06 斯伦贝谢挪威公司 Automated Drilling Fluid Analyzer
CN102918379B (en) * 2010-02-10 2017-04-19 斯伦贝谢挪威公司 Automated Drilling Fluid Analyzer
US9777542B2 (en) 2010-02-10 2017-10-03 Schlumberger Norge As Automated drilling fluid analyzer
CN102749343A (en) * 2012-07-24 2012-10-24 丁青 Liquid safety inspection instrument based on Compton back-scattering scanning technology
CN102783968A (en) * 2012-09-04 2012-11-21 丁厚本 Micro-dose medical CBS-CT machine used on site
CN104267053A (en) * 2014-09-30 2015-01-07 包微微 Novel detector for liquid prohibited articles
US11892421B2 (en) 2021-12-06 2024-02-06 Schlumberger Technology Corporation System and method for cleaning electrical stability probe

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Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
EE01 Entry into force of recordation of patent licensing contract

Assignee: Hefei CBS Electronics Science Technique Co.,Ltd.

Assignor: Ding Houben

Contract record no.: 2012340000326

Denomination of utility model: Novel portable desk type liquid safety inspection tester structure

Granted publication date: 20090114

License type: Exclusive License

Record date: 20121022

LICC Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model
C17 Cessation of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20090114

Termination date: 20130421