CN201212884Y - Safety check door for detecting drug/explosive article and special nuclear substance/radioactive article - Google Patents
Safety check door for detecting drug/explosive article and special nuclear substance/radioactive article Download PDFInfo
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- CN201212884Y CN201212884Y CNU2008201088908U CN200820108890U CN201212884Y CN 201212884 Y CN201212884 Y CN 201212884Y CN U2008201088908 U CNU2008201088908 U CN U2008201088908U CN 200820108890 U CN200820108890 U CN 200820108890U CN 201212884 Y CN201212884 Y CN 201212884Y
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- detection subsystem
- safety check
- check door
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Abstract
The utility model discloses a safety inspection door comprising a drug/exploder detecting subsystem, a special nuclear matter/radioactive matter detecting subsystem and a control analysis subsystem which are jointly arranged in an inspection door shell, wherein the safety inspection door is provided with an insulator which is used for insulating the drug/exploder detecting subsystem and the special nuclear matter /radioactive matter detecting subsystem, therefore, the drug/exploder detecting subsystem and the special nuclear matter /radioactive matter detecting subsystem can work independently without mutual interference, thus, the safety inspection door combines the drug/exploder detecting subsystem and the special nuclear matter /radioactive matter detecting subsystem together and enables the drug/exploder detecting subsystem and the special nuclear matter /radioactive matter detecting subsystem to work reliably, can simultaneously finish inspecting drug/exploder and special nuclear matter /radioactive matter carried by passersby, and simultaneously improves inspection efficiency with the guarantee of accuracy and reliability.
Description
Technical field
The utility model relates to a kind of safety check door, specifically, relates to a kind of safety check door that can detect drugs/explosive and special nucleus material/radioactive material simultaneously.
Background technology
Since " 911 " incident, anti-terrorism becomes the common topic of global range.Terrorist incident all took place in states such as the U.S., Russia, Britain, Egypt, Spain, Indonesia, India, and two wars have also been started for this reason by the U.S..The terrorist utilizes " people's bullet " to attack becomes a kind of important failure mode, and common people's safety life and society stable constituted huge threat.But the popular in the market safety door at pedestrian's inspection generally can only be surveyed magnetic metal, and is powerless to non-magnetic object.And explosive, drugs and the radioactive material that can make dirty bomb are non-magnetic material a bit, and common safety door can't be discerned, this concerning safety inspection, great leak beyond doubt.
Along with the development of drugs/explosive (IMS) technology, suspicious detection of particulates such as the drugs that the pedestrian is carried, explosive becomes possibility.Recent years, external expert has carried out a lot of researchs to gate-type pedestrian's inspection technology of application IMS technology, and has applied for multinomial patent.As: EP1286151A1, US5915268A1, US6073499A1 and US2001049926A1 or the like.In these patents,, the structure of multiple door has been proposed for the ease of collecting air-flow; In order to improve collection efficiency, the proposition that has pre-concentration thought (as US6073499A1 etc.); In order to blow off carrying suspicious particulate in the human body clothing, blow checked pedestrian (as US2001049926A1) by what begin with continuous flow, develop into and add the shower nozzle that sprays gases at high pressure and blow and beat clothing, the air-flow and the jet direction of shower nozzle of blowing, or upward, or, want to have use up various ways (as EP1286151A1, US5915268A1 and US6073499A1) downwards.
Aspect detection special nucleus material and radioactive material, patent CN02289591.4 has proposed a kind of gate-type gamma activity safety detection device, by having taked baffle, make and have only the gamma activity in a certain solid angle scope of scintillator one side just can be detected measuring gamma active NaI (Tl) scintillator; And a plurality of gamma ray probes are configured in the both sides door pillar of making the doorframe shape, improved detection efficiency to radiomaterial.Patent US2006/028494A1 has also proposed a kind of radiological safety detecting gate, uses a plurality of detectors and collimator array, has realized the function that γ and n are surveyed simultaneously.
Especially the interference problem between the system makes the device that does not occur detecting simultaneously drugs/explosive substance and special nucleus material/radioactive material in the market as yet but for various reasons.
The utility model content
The utility model is just in order to solve the above-mentioned problems in the prior art, by the drugs/explosive detection subsystem that adopts quarantine measures to prevent well to be installed together and the phase mutual interference between special nucleus material/radioactive material detection subsystem, thereby when guaranteeing to check reliability and accuracy, improved checking efficiency.
According to the utility model, a kind of safety check door is provided, comprise drugs/explosive detection subsystem and special nucleus material/radioactive material detection subsystem and control analysis subsystem, these three subsystems are installed in the inspection door housing jointly, it is characterized in that, described safety check door also is provided with spacer assembly, and described spacer assembly is used to make drugs/explosive detection subsystem and special nucleus material/radioactive material detection subsystem to isolate mutually, thereby work alone without interfering with each other.
Described spacer assembly comprises wave filter, decoupling device and the photoisolator etc. on signal wire, power lead and the ground wire that is arranged on special nucleus material/radioactive material detection subsystem and/or drugs/explosive detection subsystem.
Described spacer assembly also can comprise the shielding part of being made by shielding material, and described shielding part is arranged on the ray detector and prime amplifier in special nucleus material/radioactive material detection subsystem.
Preferably, described safety check door can further comprise collimating apparatus, and described collimating apparatus is installed on the ray detector in special nucleus material/radioactive material detection subsystem, the investigative range of regulating ray detector.
From following detailed description to the utility model embodiment, it is more obvious that additional objects and advantages of the present utility model will become.
Description of drawings
Fig. 1 is the stereographic map that illustrates according to the total structure of safety check door of the present utility model;
Fig. 2 is the cut-open view according to safety check door of the present utility model as shown in Figure 1, has schematically shown the internal structure of this safety check door;
Fig. 3 is the partial perspective view according to safety check door of the present utility model, has specifically illustrated the layout of the air nozzle of drugs/explosive detection subsystem;
Fig. 4 has specifically illustrated the sensing with a plurality of air nozzles on one deck;
Fig. 5 shows according to the collimating apparatus of the layout of the air knife on the roof of safety check door of the present utility model and sidepiece and ray detector.
Embodiment
Fig. 1 shows the total structure according to safety check door of the present utility model.As shown in Figure 1, the shell according to inspection door 29 of the present utility model is provided with air intake opening 3, exhausr port 14, user terminal 24, pilot lamp 25 and air nozzle 11.In addition, though do not illustrate among Fig. 1, also be provided with air knife 10 (shown in Figure 5) on the roof of the sense channel of inspection door 29.Pilot lamp 25 is used for indication and is examined the residing several states of pedestrian: checking (amber light)/free time (green light)/warning (red light).User terminal 24 (for example, LCD display) is used for showing in detail check result.
Fig. 2 shows in detail the internal structure according to safety check door of the present utility model.As shown in Figure 2, drugs/explosive detection subsystem and special nucleus material/radioactive material detection subsystem and control analysis subsystem all are installed in the shell of safety check door.
Drugs/explosive detection subsystem comprises: air intake opening 3, air compressor 1, carrier gas air-flow blower fan 2, air knife draft tube 5, jet draft tube 6, solenoid valve 7, air knife inflatable mouth 9, air knife 10, air nozzle 11, gas outlet 13, exhausr port 14, drugs/explosive detection device (IMS) 20, suction fan 21, precondenser 22 and air entry 23.
Special nucleus material/radioactive material detection subsystem comprises: ray detector 8, collimating apparatus 4, ray detector signal wire 12, X-ray detection X subsystem controls box 18.
The control analysis subsystem comprises system's control computer 16 and overhead control cabinet 17.
Be installed in the enclosure of inspection door though it is pointed out that control analysis subsystem among this embodiment, according to actual needs, it also can be arranged on the outside of shell.
Owing in drugs/explosive detection subsystem many Electromagnetic Interference source (as compressor 1, blower fan 2, solenoid valve 7 etc.) is arranged, disturb so can produce special nucleus material/radioactive material detection subsystem, influence its detection accuracy and reliability.
For fear of the influence of above-mentioned interference, the utility model is provided with signal isolator 19, and the X-ray detection X control enclosure 18 of special nucleus material/radioactive material detection subsystem links to each other with overhead control cabinet 17 via signal isolator 19 (a kind of spacer assembly).Specifically, the signal isolator in the present embodiment 19 is arranged on wave filter, decoupling device and the photoisolator etc. on signal wire, power lead and the ground wire of special nucleus material/radioactive material detection subsystem.It is to be noted, though shown in Fig. 2 is only to have used signal isolator 19 in special nucleus material/radioactive material detection subsystem, but this is not restrictive, yet can use signal isolator 19 on drugs/explosive detection subsystem or use signal isolator 19 simultaneously on these two detection subsystem.That is to say, can on signal wire, power lead and the ground wire of drugs/explosive detection subsystem, wave filter, decoupling device and photoisolator etc. be set, perhaps can on signal wire, power lead and the ground wire of these two detection subsystem, wave filter, decoupling device and photoisolator etc. be set simultaneously.
Simultaneously, to disturb in order further reducing, to be provided with shielding part (another kind of spacer assembly) on ray detector in special nucleus material/radioactive material detection subsystem and the prime amplifier, this shielding part is made by material that can the shielding space radiation.
In addition, the signal wire of the signal wire of drugs/explosive detection subsystem and special nucleus material/radioactive material detection subsystem should be arranged apart as far as possible, promptly spatially is separated from each other, in the place that must intersect cabling, adopt the square crossing wiring method, crosstalk avoiding to greatest extent.
On the other hand, from Fig. 2 and Fig. 5, as can be seen, in the present embodiment, be provided with collimating apparatus 4 in the outside of ray detector 8.The opening surface of collimating apparatus 4 is to detecting space 28, and its wall thickness is greater than 5～10mm, and material is generally lead.Its objective is the investigative range of regulating ray detector, reduce of the interference of outside ray tested pedestrian's check result.Can improve the reliability and the accuracy of inspection.
As shown in Figure 2, in order to reduce cost, two sides that detect space 28 are respectively with one group of ray detector 8.Can stagger mutually in the position of the ray detector 8 of two sides, but that its search coverage should have slightly is overlapping, can not separate fully, to guarantee the reliability of check result.
Two sidewalls of sense channel are provided with a plurality of air nozzles 11.As shown in Figure 3, a plurality of air nozzle 11 layered arrangement generally are no less than 4 layers (among Fig. 3 being 5 layers), and each side is no less than 2 row (being 3 row among Fig. 3).As shown in Figure 4, air nozzle 11 directions of each layer are pointed to the center in the detection space at this layer place, to strengthen the ability of the suspicious particle that carries in the piping and druming clothing.The main direction of level of ejection air-flow is shown in Jet Stream direction 27.Air nozzle 11 general ON/OFF simultaneously with one deck, the air nozzle 11 timesharing ON/OFF of different layers, generally open or close successively from top to bottom, after waiting each layer air nozzle 11 all to spray once, circulation from top to bottom again, finish up to jet process, its switching sequence is sent by overhead control cabinet 17, realizes by the solenoid valve 7 of controlling each air nozzle 11 back.
As can be seen from Figure 5, in the present embodiment, be arranged on the air knife 10 of blowing on the roof of sense channel down and comprise four big air knives and two little air knives, and four big air knives are arranged around two little air knives.But it will be understood by those skilled in the art that this is exemplary, also can adopt other arrangement.
The following describes principle of work of the present utility model.
1. the principle of work of drugs/explosive detection subsystem
As shown in Figure 2, air compressor 1 provides gases at high pressure, and pressure 0.2～0.8MPa is about preferred 0.5MPa.Gases at high pressure are provided for air nozzle 11 by air nozzle draft tube 6, each air nozzle 11 all passes through a solenoid valve 7 its jet/closed conditions of control.The sequential that system's control computer 16 is opened and closed by parts such as overhead control cabinet 17 and gas circuit control signal wire 30 control electromagnetic valve 7, air compressor 1, carrier gas air-flow blower fans 2.Air compressor 1 and carrier gas air-flow blower fan 2 inhaled airs are from air intake opening 3.
When the superiors' air nozzle 11 was started working for the 1st time, carrier gas air-flow blower fan 2 was also started working, and gave air knife 10 air feed as shown in Figure 5.Air-flow blows out from the air knife inflatable mouth 9 of air knife 10, forms the carrier gas air-flow, and its flow direction is shown in carrier gas air current flow direction 26.The effect of carrier gas air-flow is to drive air entry 23 blown down the suspicious particulate that comes by air nozzle 11.
The carrier gas air-flow that detects space 28 is by suction fan 21 inhale mouths 23.When the air communication that contains suspicious particulate that enters air entry 23 was crossed precondenser 22, suspicious particulate was adsorbed in the precondenser 22, and the air-flow after the filtration is discharged to through suction fan 21, gas outlet 13, exhausr port 14 among the atmosphere of outside.In the process of desorption, precondenser 22 disengages the suspicious particulate that is adsorbed onto come, and is sucked and analyzes by drugs/explosive detection device (IMS) 20, and waste gas is discharged among the atmosphere of outside through gas outlet 13, exhausr port 14.
Deliver to overhead control cabinet 17 by the data that drugs/explosive detection device (IMS) 20 is surveyed by data circuit, send into system's control computer 16 again and analyze, the result shows on user terminal 24 and pilot lamp 25.
When beginning to check, pilot lamp 25 shows idle (green light is bright), and it is good that checked pedestrian enters the assigned address station of detecting space 28; That system begins is jet, blow, collect gas, delivers to drugs then, explosive detection device (IMS) 20 is surveyed, and finally provides analysis result by system's control computer 16.If find the vestige of Poison, explosive, then give the alarm pilot lamp 25 warnings (blinking red lamp) simultaneously; Can thing if do not find, then this is checked and finishes, pilot lamp 25 shows idle (green light is bright), waits for entering of next tested person.
2. the principle of work of X-ray detection X subsystem
Checked pedestrian enters the assigned address that detects space 28, native system begins startup work prior to drugs/explosive detection subsystem under the control of control analysis subsystem, after drugs/explosive detection subsystem finished one-shot measurement work, this subsystem finished this surveying work again.
Detect γ, n ray by ray detector 8, its detectable signal is sent into X-ray detection X subsystem controls box 18.Because the X-ray detection X subsystem is interfered easily, in order to prevent the undesired signal of drugs/explosive detection subsystem from the beginning, so signal, control line are through signal isolator 19, and signal isolator is to overhead control cabinet signal wire 15 and 17 interconnection of overhead control cabinet, detection data is finally delivered to system's control computer 16 and is analyzed and handle, and its result delivers on the user terminal 24 and shows.Result displayed is the end product after the data of comprehensive two detection subsystem on the pilot lamp 25.
Like this, according to the utility model, two detection subsystem are combined and it is worked reliably, can finish simultaneously and check the drugs/explosive that the pedestrian carries and the task of special nucleus material/radioactive material, when guaranteeing accuracy, improved checking efficiency.
Under the situation that does not break away from the spirit and scope of the present utility model that are defined by the claims, those of ordinary skills can make further modification and application to the utility model.
Claims (10)
1. safety check door, comprise drugs/explosive detection subsystem and special nucleus material/radioactive material detection subsystem and control analysis subsystem, these three subsystems are installed in the inspection door housing jointly, it is characterized in that, described safety check door also is provided with spacer assembly, described spacer assembly is used to make drugs/explosive detection subsystem and special nucleus material/radioactive material detection subsystem to isolate mutually, thereby work alone without interfering with each other.
2. safety check door according to claim 1, wherein, described spacer assembly comprises wave filter, decoupling device and the photoisolator on signal wire, power lead and the ground wire that is arranged on special nucleus material/radioactive material detection subsystem and/or drugs/explosive detection subsystem.
3. safety check door according to claim 1, wherein, described spacer assembly comprises the shielding part of being made by shielding material, described shielding part is arranged on the ray detector and prime amplifier in special nucleus material/radioactive material detection subsystem.
4. safety check door according to claim 1 further comprises collimating apparatus, and described collimating apparatus is installed on the ray detector in special nucleus material/radioactive material detection subsystem, the investigative range of regulating ray detector.
5. safety check door according to claim 4 wherein, staggers mutually in the position of the described ray detector of sense channel both sides, but keeps a certain amount of overlapping on the short transverse of sense channel.
6. safety check door according to claim 1, wherein, under the control of described control analysis subsystem, at first starting described special nucleus material/radioactive material detection subsystem surveys, starting described drugs/explosive detection subsystem then surveys, and when checking end, at first stop described drugs/explosive detection subsystem, stop described special nucleus material/radioactive material detection subsystem at last.
7. safety check door according to claim 1, wherein, two sidewalls of sense channel are provided with a plurality of air nozzles, and described a plurality of air nozzle layered arrangement are pointed to the center in the detection space at this layer place with a plurality of air nozzles in one deck.
8. safety check door according to claim 1, wherein, the roof of sense channel is provided with the air knife of blowing down, and described air knife comprises four big air knives and two little air knives, and four big air knives are arranged around two little air knives.
9. safety check door according to claim 1 further comprises the pilot lamp and the user terminal that show detected state and check result.
10. according to the described safety check door of arbitrary claim among the claim 1-9, wherein, the signal wire of the signal wire of described drugs/explosive detection subsystem and described special nucleus material/radioactive material detection subsystem spatially is separated from each other, in the time must intersecting cabling, adopt the square crossing wiring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201088908U CN201212884Y (en) | 2008-06-27 | 2008-06-27 | Safety check door for detecting drug/explosive article and special nuclear substance/radioactive article |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201088908U CN201212884Y (en) | 2008-06-27 | 2008-06-27 | Safety check door for detecting drug/explosive article and special nuclear substance/radioactive article |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201212884Y true CN201212884Y (en) | 2009-03-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201088908U Expired - Fee Related CN201212884Y (en) | 2008-06-27 | 2008-06-27 | Safety check door for detecting drug/explosive article and special nuclear substance/radioactive article |
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| Country | Link |
|---|---|
| CN (1) | CN201212884Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102095610B (en) * | 2008-06-27 | 2012-07-04 | 同方威视技术股份有限公司 | Security inspection door for inspecting hard drugs/explosives and special nuclear matters/radioactive substances |
-
2008
- 2008-06-27 CN CNU2008201088908U patent/CN201212884Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102095610B (en) * | 2008-06-27 | 2012-07-04 | 同方威视技术股份有限公司 | Security inspection door for inspecting hard drugs/explosives and special nuclear matters/radioactive substances |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090325 Termination date: 20130627 |