CN106896118B - System, method and the data information label of radiation scanning are carried out to mobile target - Google Patents
System, method and the data information label of radiation scanning are carried out to mobile target Download PDFInfo
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V5/00—Prospecting or detecting by the use of ionising radiation, e.g. of natural or induced radioactivity
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N23/00—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
- G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
- G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
- G06K19/06009—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code with optically detectable marking
- G06K19/06037—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code with optically detectable marking multi-dimensional coding
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
- G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
- G06K19/06009—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code with optically detectable marking
- G06K19/06046—Constructional details
- G06K19/06131—Constructional details the marking comprising a target pattern, e.g. for indicating the center of the bar code or for helping a bar code reader to properly orient the scanner or to retrieve the bar code inside of an image
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
- G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
- G06K19/067—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components
- G06K19/07—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips
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Abstract
The invention discloses a kind of systems for carrying out radiation scanning to mobile target, comprising: radiation source, for issuing ray；Label reader for reading information entrained by the data information label being mounted in mobile target, and is sent to control module；Detection module issues signal to control module for detecting mobile target the location of in sense channel, and when mobile target reaches predetermined position；Control module, for based on the information from the label reader and the signal from the detection module, the process for issuing ray to radiation source to be controlled；It wherein, include length information in information entrained by data information label, the length information is indicated to need to radiate the length in the region of evacuation in mobile target or be needed with the length in the region of low dose rate ray scanning.It can be achieved to be scanned inspection to different types of mobile target in the way of a variety of scanographies by the present invention.
Description
The application is the divisional application of following application: the applying date be on July 22nd, 2014, application No. is
201410349185.7, entitled " system, method and the data information label of radiation scanning are carried out to mobile target ".
Technical field
The present invention relates to radiography fields, and in particular to it is a kind of to mobile target carry out radiant image equipment and
Method.
Background technique
Using ray to mobile target, such as it is current border control and customs inspection that vehicle, cargo, which are scanned inspection,
Conventional means.With increasingly serious anti-terrorism situation and the needs cracked down on smuggling, need to the vehicle and clearance for passing through border
Vehicle carry out whole inspections.Automatic quickly scanning is carried out to mobile target this requires inspection system can be realized.For vehicle
It for, exactly needs driver not parking, drives vehicle quickly through the system of inspection, accelerate to check speed.
For this demand, the scanography of vehicle can be carried out by having some rays safety detection apparatus, during scanography
One sixty-four dollar question is that system must avoid the region where occupant in vehicle, prevents radiation injury.In this regard, one
As be the sensor detected vehicle driving status for taking prepackage, it is ensured that the crew module where occupant crosses and then to vehicle
Cargo hold starts radiation scanning.
But due to sensor can not crew module to vehicle and cargo hold be distinguished, can not also identify that different vehicle multiplies
The length in member cabin, therefore most this kind of vehicle rays safety detection apparatus all use full design method content to retain sovereignty over a part of the country, that is, design system to
A regular length, crew module of this regular length than all types vehicle on the market are always avoided for all tested vehicles
Length it is all big, so that it is guaranteed that the safe avoidance of personnel in all types of tested vehicles.Under this design concept, when tested
When vehicle passenger compartment's length very little, cargo hold length are very big, missing inspection situation is just very serious, and there are security risks.
Summary of the invention
In view of this, the present invention proposes a kind of device and method for carrying out radiant image to mobile target, use is non-contact
Formula sensor obtains mobile clarification of objective information, eliminates safe hidden trouble.
The present invention provides a kind of system for carrying out radiation scanning to mobile target, comprising: radiation source, for issuing ray；
Information reader for reading mobile clarification of objective information, and is sent to control module；Detection module, for detecting movement
Target issues signal to control module the location of in sense channel, and when mobile target reaches predetermined position；Control
Module, for based on the mobile target signature information from information reader and come the signal of self-detection module, to radiation source
The process for issuing ray is controlled；Radiation detector for receiving the ray for passing through radiation scanning region, and is converted into number
Signal；Radiation imaging apparatus, for generating radiation image according to the digital signal of radiation detector；Wherein, information reader with
Database module is connected, storage length information corresponding with mobile target signature information, length information instruction in database module
It needs to radiate the length in the region of evacuation in mobile target or needs with the length in the region of low dose rate ray scanning.
The present invention also provides a kind of methods for carrying out radiation scanning to mobile target, comprising: enters radiation in mobile target
Before scanning area, the length and shifting of first part in mobile target are obtained by the data information label carried in mobile target
The radiation scanning mode that moving-target needs, wherein first part refers to needing to radiate the part of evacuation in mobile target or need
It will be with the part of low dose rate ray scanning；After mobile target enters radiation scanning region, according to locating for mobile target
Position, control radiation source carry out radiation scanning to mobile target according to radiation scanning mode；Radiation scanning is left in mobile target
After region, control radiation source stops radiation scanning.
The present invention also provides a kind of data information label, length information and radiation scanning pattern information are stored in label,
Length information indicates that the length of the first part in object, radiation scanning pattern information selectively indicate following various scannings
One of mode: 1. not scanning the first part of object, scans to the second part of object；2. to object
First part is with low dose rate ray scanning, to the second part of object with high dose rate ray scanning；3. whole to object
Body is with low dose rate ray scanning；4. whole to object with high dose rate ray scanning；5. integrally not being scanned to object.
The present invention provides a kind of system for carrying out radiation scanning to mobile target, comprising: radiation source, for issuing ray；
Label reader for reading information entrained by the data information label being mounted in mobile target, and is sent to control mould
Block；Detection module reaches predetermined position for detecting mobile target the location of in sense channel, and in mobile target
When, signal is issued to control module；Control module, for based on the information from label reader and come self-detection module
Signal, the process for issuing ray to radiation source control；Radiation detector passes through penetrating for radiation scanning region for receiving
Line, and it is converted into digital signal；Radiation imaging apparatus, for generating radiation image according to the digital signal of radiation detector；Its
In, it include length information in information entrained by data information label, length information indicates to need to radiate evacuation in mobile target
Region length or need with the length in the region of low dose rate ray scanning.
It preferably, also include radiation scanning pattern information, radiation scanning mode in information entrained by data information label
It indicates to header length one of following various scan patterns: 1. the first part of mobile target not being scanned, to shifting
The second part of moving-target scans；2. to the first part of mobile target with low dose rate ray scanning, to the of mobile target
Two parts are with high dose rate ray scanning；3. whole to mobile target with low dose rate ray scanning；4. whole to mobile target
With high dose rate ray scanning；5. integrally not being scanned to mobile target；Wherein, the first part of mobile target refers to moving
It needs to radiate the region of evacuation in target or needs with the region of low dose rate ray scanning, the second part of mobile target refers to
Be do not needed in mobile target radiation evacuation region or do not need with the region of low dose rate ray scanning.
Preferably, data information label selectively uses at least one of following various labels: radio frequency discrimination RFID
Label, D bar code, bar code.
Preferably, when data information label is RFID label tag, system further includes trigger module, for detecting movement
Target activates label reader when reaching.
Preferably, detection module is visual sensor.
Preferably, detection module includes the first detection sub-module and the second detection sub-module, wherein the first detection sub-module
Positioned at the upstream side in radiation scanning region, for being issued to control module when mobile target will enter radiation scanning region
Signal；Second detection sub-module is located at the downstream side in radiation scanning region, for when mobile target crosses preset distance, to control
Molding block issues signal；First detection sub-module/second detection sub-module selectively uses in following various sensors extremely
Few one kind: optoelectronic switch, light curtain, ground induction coil, pressure sensor.
Preferably, radiation source selectively uses at least one of following various radiation sources: electron linear accelerator, electricity
Sub- induction accelerator Betatron, runway microtron RTM, accelerator for neutron production, Co-60 radioactive source, Cs-137 are put
Penetrate source, X-ray tube.
Beneficial effects of the present invention:
1, the present invention can accurately identify the scanography mode that mobile target needs to carry out, and can accurately identify mobile mesh
The length of length or low dose rate ray scanning inspection that mark needs to shield.
2, the present invention can realize complete high dose scanography to the cargo of freight truck.
3, for the occasion for allowing to be scanned occupant in a manner of low-dose scanning, the present invention be may be implemented to mobile mesh
Mark carries out 100% complete quick scanography.
4, the present invention has a variety of scanography modes, can be scanned inspection to different types of mobile target, so that
The application range of automatic inspection system is wider.
Detailed description of the invention
Fig. 1 is the system structure diagram of the invention that radiation scanning is carried out to mobile target.
Fig. 2 is the system use state diagram of one embodiment of the invention.
Fig. 3 is the system use state diagram of another embodiment of the present invention.
Fig. 4 is that the headstock of vehicle in Fig. 3 embodiment passes through the status diagram in radiation scanning region.
Fig. 5 is the control logic block diagram of radiation scanning system of the invention to radiation source.
Fig. 6 is the data memory format of data information label in one embodiment of the invention.
Specific embodiment
Below in conjunction with attached drawing and specific embodiment, technical solution of the present invention is described in detail.
Fig. 1 shows the system structure diagram of the invention that radiation scanning is carried out to mobile target, comprising:
Radiation source issues ray；
Label reader reads information entrained by the data information label being mounted in mobile target, and is sent to
Control module；Wherein, a length information is stored in data information label, which indicates to need to radiate in mobile target
The length in the region of evacuation；
Detection module detects mobile target the location of in sense channel, and reaches pre-determined bit in mobile target
Signal is issued to control module when setting；
Control module sends out radiation source based on the information from label reader and come the signal of self-detection module
The process of emergent ray is controlled；
Radiation detector receives the ray by radiation scanning region and is converted into digital signal；
Radiation imaging apparatus generates radiation image according to the digital signal of radiation detector.
In practical application scene, mobile target can be all kinds of objects for needing to carry out radiation scanning inspection, in traveling
Lorry, motorbus, the pony car of various models etc., or various objects being placed in mobile station can be used
System of the invention carries out radiation scanning inspection.
In an embodiment of the present invention, radiation source can use accelerator radiographic source, such as electron linear accelerator, sense electronics
It answers accelerator (Betatron), runway microtron (RTM), accelerator for neutron production etc.；Radioactive source can also be used, such as
Co-60, Cs-137 etc.；X-ray tube can also be used.
In an embodiment of the present invention, data information label can use radio frequency identification (Radio Frequency
Identification, RFID) label, it can also be using bar code, two dimensional code etc..Correspondingly, label reader should use
RFID label tag reads the reading equipment of equipment, bar code or two dimensional code etc..It wherein, when rfid tags are used, can also be spoke
It penetrates scanning system and adds a trigger module, for the activation RFID label tag reading equipment when detecting that mobile target reaches.
In an embodiment of the present invention, visual sensor can be used in detection module, with reference to Fig. 2, shows and is passed using vision
The usage state diagram of radiation scanning system when sensor.Wherein, mobile target is a lorry, is driven on the left of sense channel 110, and
It travels incessantly.Under the monitoring of visual sensor 108, lorry arrive first at trigger module 101 (can be used optoelectronic switch,
Low frequency trigger winding of RFID label tag etc.) at position, trigger module 101 to label reader 102 issues signal after being triggered, with
Label reader 102 is activated, label reader 102 starts the data information label for reading to be mounted on lorry, obtains length letter
Breath, it is assumed that length is L (L is the length of headstock, since driver is in headstock, should implement the radiation evacuation of headstock), and label is read
Length information is sent to control module 106 by device 102.Under the monitoring of visual sensor 108, when the headstock of lorry has been moved off
Apart from when being more than or equal to L, visual sensor 108 issues signal, control module 106 to control module 106 in radiation scanning region 103
According to signal is received, control module 106 controls radiation source 104 and begins to send out ray, carries out radiation scanning to the container of lorry,
Radiation detector 105 and radiation imaging apparatus are scanned the reception and imaging of ray.
The above processing realizes the evacuation of the accurate radiation to lorry headstock.Due to obtaining the length information of headstock in advance,
System can not issue ray when headstock enters scanning area, and after headstock leaves scanning area, radiation source goes out immediately
Beam is implemented to scan, to can avoid cargo missing inspection to the maximum extent under the premise of ensuring personnel safety to rest part.
In Fig. 2 embodiment, sensor 107 (such as ground induction coil or pressure can be also set at 103 position of scanning area
Sensor), effect is that radiation scanning process is only just executed when sensor 107 is triggered；If sensor 107 is not touched
Hair, illustrates that no vehicle drives into, does not then execute radiation scanning process.Can anti-locking system accidentally entered personnel triggering and start
Radiation scanning causes unexpected injury to personnel.
In an embodiment of the present invention, a series of sensor modules also can be used in detection module, with reference to Fig. 3, wherein in order to
It detects whether vehicle will enter scanning area 103, the upstream side (being left side in Fig. 3) of radiation source 104 is provided with sensor
Component 109, and sensor module 109 is close to the boundary of scanning area 103；Meanwhile in order to detect vehicle enter scanning area it
Real time position afterwards is provided with sensor module 108 in the downstream side of radiation source 104, and sensor module 108 is along sense channel
110 successively arrange on one side, and when needing, certain distance can be reserved between two neighboring sensor module.The sensor component 108
Current existing sensor, such as optoelectronic switch, light curtain, ground induction coil, pressure sensor or its group can be used with 109
It closes.
During radiation scanning, compared with Fig. 2 embodiment, Fig. 3 embodiment the difference is that, work as sensor module
109 when being triggered, and issues signal to control module 106, shows that headstock will enter radiation scanning region 103；With lorry
Continue to travel, sensor module 108 will successively be triggered, due to the set-up mode of sensor module 108 be along channel 110 successively
Arrangement, and position and apart from previously known, make it possible to displacement of the record target object in channel 110, then before basis
The headstock length L that label reader 102 obtains, when the displacement of lorry is so that headstock leaves scanning area 103, that is, container
Scanning area 103 will be entered, the radiation source 104 of the control of control module 106 at this time starts beam out, sweeps to the container implementation of lorry
It retouches.
Fig. 4 shows state diagram when headstock in Fig. 3 embodiment is scanned region 103, and label reading is omitted in Fig. 4
The components such as device 102.Wherein, using the right side boundary of scanning area 103 as starting point (origin O), when sensor module 108 monitors vehicle
When head reaches the position L, radiation source 104 goes out beam, and realization avoids cargo missing inspection to the maximum extent under the premise of ensuring personnel safety.
On the other hand, according to the regulation of coherent radiation safety standard, in addition to specific region --- in such as Fig. 2 and Fig. 3
Lorry headstock --- implement radiation evacuation and not scan except, can also to these regions with low dose rate ray carry out spoke
Scanning is penetrated, to the part for not needing radiation evacuation with high dose rate ray scanning, can be realized in dose of radiation safe range
Very safety inspection to object.
In practical application scene, mobile target can be divided into two parts and treated, first part is needed with low dose rate
The region of ray scanning, usually the region where personnel, second part are not need with the region of low dose rate ray scanning,
Region as where cargo.
Based on this, for the radiation scanning mode that mobile target setting is suitable, still by taking the lorry in Fig. 2 as an example, the length is L
Vehicle head part be first part, container part be second part, scan pattern can be arranged are as follows: with low dose rate ray scanning
First part, with high dose rate ray scanning second part.When checking vehicle scan, visual sensor 108 detects lorry
First part notify control module 106 when will enter scanning area 103, control module 106 enables radiation source 104 begin to send out
Low dose rate ray (lower than limitation as defined in radiation danger criterion), visual sensor 108 detects that first part has been left and sweeps
Region 103 is retouched apart from notice control module 106 when being more than or equal to L, control module 106 enables radiation source 104 be converted to and issues high agent
Dose rate ray, is scanned second part.In the present embodiment, radiation source 104 preferably uses betatron
Betatron or runway microtron RTM, can fast implement the conversion of Different Dose Rates ray.According to above-mentioned place
Reason had not only met coherent radiation safety standard, but also realized the full vehicle scanning of vehicle, and safety check reliability greatly improves.
For Fig. 3 embodiment, above-mentioned scan pattern also can be performed, specifically, the notice when sensor module 109 is triggered
Control module 106 shows that first part will enter radiation scanning region 103, and it is low that control module 106 enables radiation source 104 issue
Dosage rate ray；As lorry continues to travel, sensor module 108 is successively triggered, the obtained according to label reader 102
A part of length L, when scanning area 103 is left apart from more than or equal to L by the first part of lorry, sensor module 108 is notified
Control module 106 enables radiation source 104 be converted to and issues high dose rate ray, is scanned to lorry second part.
In one embodiment of the invention, integrally it regard mobile target as crew module, such as pony car or large-scale visitor
Vehicle need to carry out radiation evacuation or low dose rate scanning to vehicle, at this moment scan pattern should be arranged are as follows: not to mobile target entirety
Scanning is given, or whole with low dose rate ray scanning to mobile target, may ensure that the personnel safety in scanning process.
In one embodiment of the invention, mobile target is the cargo to be checked in mobile station, then does not need to carry out
Any evacuation or the adjustment of roentgen dose X rate, it is whole with high dose rate ray scanning to cope with the cargo to be checked.
Setting for the above-mentioned radiation scanning mode for the mobile target of different type, the present invention is by scan pattern information
M is stored in data information label, together with the length information L stored in label, as in radiation scanning system to radiation source
Control foundation.
Fig. 5 shows radiation scanning system of the invention to the control logic block diagram of radiation source, when mobile target enters inspection
Channel is surveyed, label reader will read the scan pattern information M and length information L carried in its label, come according to scan pattern
Control radiation source goes out Shu Shiji and the out dosage rate of beam line, realizes to the first part region where personnel in mobile target
It not scans, to the second part sector scanning for not including personnel in mobile target；Or to first part region with low dosage
Rate ray scanning, to second part region with high dose rate ray scanning；Or it is whole with low dose rate ray to mobile target
Scanning；Or it is whole with high dose rate ray scanning to mobile target；Or ray scanning is integrally refused to mobile target.
When mobile target passes through scanning area completely, control radiation source stops issuing ray, completes radiation scanning inspection.
Refer to that the tail portion of mobile target has been moved off the boundary in scanning area downstream side by scanning area completely, may also mean that movement
The tail portion of target has been moved off the boundary in scanning area downstream side and moves on a certain distance, and the preferred distance is less than
3m。
Fig. 6 show the data memory format of data information label in one embodiment of the invention, is proposed to the present invention
Radiation scanning mode and each section length data structure a kind of definition, the first character section of this definition is data field, subsequent
Part be verification and.Data field length is 8, and highest order U indicates whether not to scan the first part of object, rear 7 table
Showing the length of first part in mobile target, unit 0.05m, i.e., 1 indicates that first part's length of mobile target is 0.05m,
Wherein 127 indicate that the length of first part is equal to the overall length (table 1 as follows) of mobile target.Subsequent n for verification and, can be with
It is 1 even-odd check, is also possible to 8 or the cyclic redundancy check (CRC) verification of other digits.The effect of the verification sum is
For verifying the integrality of data, the read-write error of data is prevented.It verifies and is not required.Table 1 gives a kind of above-mentioned sweep
Retouch the concrete form of mode and length data structure:
Table 1
According to the length of first part in the type of mobile target and mobile target, by length information and suitable scanning mould
The information of formula is stored in RFID label tag (or D bar code, bar code), and label is placed in mobile target internal or is adhered to
Mobile target external, to be used cooperatively with radiation scanning system.The RFID label tag used can be passive, be also possible to have
It is source or semi-active.Anti-metal RFID label tag is preferably used.
In addition, for vehicle, itself has unique license plate number or vehicle identification code VIN, reflects vehicle
Characteristic information (length information of vehicle and each part of vehicle point) therefore can also read the label of radiation scanning system in the present invention
Device is taken to replace with information reader, reader reads the license plate number or VIN code of vehicle, and is one number of information reader connection
According to library module, scan pattern information M and length information L corresponding with license plate number or VIN code is stored in the database.By these
Information feeds back to system control module 106, executes the process flow provided in above scheme, equally may be implemented to different automobile types
Vehicle using suitable scan pattern, complete radiation scanning inspection.In other embodiments, it can also be read with Hold sticker
Device, and be that system adds information reader, in the case where label reader obtains data failure, vehicle is read with information reader
License plate number or VIN code.
In the above embodiment of the invention, when first part's length of mobile target is L, system carries out radiation evacuation
The length of (or low dose rate scanning) is more than or equal to L, wherein length is equal to L, it is meant that accurately keeping away for first part
It allows, control precision is high；Length is set greater than L, it is meant that increases evacuation length, is a kind of full setting content to retain sovereignty over a part of the country, can prevent
To personnel's accidental exposure.
The first part of mobile target and second part defined in the present invention are given in embodiment for convenience of description
First part and second part out be it is respectively continuous, in other embodiments, first part is likely to be discontinuous.Example
Such as: the driver's cabin of certain oversize vehicle has driver, and the middle section of vehicle is container, and the tailstock of vehicle is provided with occupant's seat
Position, then the first part in the movement target includes the driver's cabin of headstock and the passenger seat region of the tailstock, during second part is
Between container.In this regard, can at least length L2 of the length L1 and container of memory of driving room, and accordingly setting scanning mould in the label
Formula not scans headstock driver's cabin and tailstock passenger seat region, is only scanned to container；Or to headstock driver's cabin and
It is scanned with low dose rate, container is scanned with high dose rate in tailstock passenger seat region.
More than, technical solution of the present invention is described in detail in conjunction with specific embodiments, described specific implementation
Example is used to help understand thought of the invention.The derivation that those skilled in the art make on the basis of the specific embodiment of the invention
It is also belonged within the scope of the present invention with modification.
Claims (9)
1. a kind of system for carrying out radiation scanning to mobile target characterized by comprising
Radiation source, for issuing ray；
Information reader for reading mobile clarification of objective information, and is sent to control module；
Detection module reaches predetermined position for detecting mobile target the location of in sense channel, and in mobile target
When, signal is issued to control module；
Control module, for based on the mobile target signature information from the information reader and from the detection module
Signal, to radiation source issue ray process control；
Radiation detector for receiving the ray for passing through radiation scanning region, and is converted into digital signal；
Radiation imaging apparatus, for generating radiation image according to the digital signal of radiation detector；Wherein,
The information reader is connected with database module, stores in database module corresponding with the mobile target signature information
Length information, the length information indicates to need to radiate the length in the region of evacuation in mobile target or need with low dosage
The length in the region of rate ray scanning.
2. the system for carrying out radiation scanning to mobile target as described in claim 1, which is characterized in that the mobile target is
Vehicle, the characteristic information are vehicle identification code VIN.
3. a kind of method for carrying out radiation scanning to mobile target characterized by comprising
Before mobile target enters radiation scanning region, mobile mesh is obtained by the data information label carried in mobile target
The radiation scanning mode that the length of Biao Zhong first part and mobile target need, wherein the first part refers to mobile target
The middle part for needing to radiate evacuation is needed with the part of low dose rate ray scanning；
After mobile target enters radiation scanning region, according to the location of mobile target, radiation source is controlled according to radiation
Scan pattern carries out radiation scanning to mobile target；
After mobile target leaves radiation scanning region, control radiation source stops radiation scanning.
4. a kind of system for carrying out radiation scanning to mobile target characterized by comprising
Radiation source, for issuing ray；
Label reader for reading information entrained by the data information label being mounted in mobile target, and is sent to control
Molding block；
Detection module reaches predetermined position for detecting mobile target the location of in sense channel, and in mobile target
When, signal is issued to control module；
Control module, for based on the information from the label reader and the signal from the detection module, to spoke
The process for penetrating source sending ray is controlled；
Radiation detector for receiving the ray for passing through radiation scanning region, and is converted into digital signal；
Radiation imaging apparatus, for generating radiation image according to the digital signal of radiation detector；Wherein,
It include length information in information entrained by the data information label, the length information indicates to need in mobile target
It radiates the length in the region of evacuation or needs with the length in the region of low dose rate ray scanning.
5. the system for carrying out radiation scanning to mobile target as claimed in claim 4, which is characterized in that the data information mark
Label are selectively using at least one of following various labels: radio frequency identification (RFID) labels, D bar code, bar code.
6. the system for carrying out radiation scanning to mobile target as claimed in claim 5, which is characterized in that when the data information
When label is RFID label tag, the system also includes trigger modules, for activating the mark when detecting that mobile target reaches
Sign reader.
7. the system for carrying out radiation scanning to mobile target as claimed in claim 4, which is characterized in that the detection module is
Visual sensor.
8. the system for carrying out radiation scanning to mobile target as claimed in claim 4, which is characterized in that the detection module packet
Include the first detection sub-module and the second detection sub-module, wherein
First detection sub-module is located at the upstream side in radiation scanning region, for that will enter radiation scanning region in mobile target
When, signal is issued to control module；
Second detection sub-module is located at the downstream side in radiation scanning region, for when mobile target crosses preset distance, to control
Molding block issues signal；
First detection sub-module and/or the second detection sub-module selectively use at least one of following various sensors:
Optoelectronic switch, light curtain, ground induction coil, pressure sensor.
9. the system for carrying out radiation scanning to mobile target as claimed in claim 4, which is characterized in that the radiation source selection
Property at least one of using following various radiation sources: electron linear accelerator, betatron Betatron, runway
Formula microtron RTM, accelerator for neutron production, Co-60 radioactive source, Cs-137 radioactive source, X-ray tube.
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| CN201710078929.XA CN106896118B (en) | 2014-07-22 | 2014-07-22 | System, method and the data information label of radiation scanning are carried out to mobile target |
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| CN201410349185.7A CN104090308B (en) | 2014-07-22 | 2014-07-22 | System, method and the data message label of radiation scanning are carried out to mobile target |
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| WO2016011804A1 (en) | 2016-01-28 |
| CN106896118A (en) | 2017-06-27 |
| CN104090308A (en) | 2014-10-08 |
| CN104090308B (en) | 2018-03-23 |
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