CN205808968U - Safety detecting system - Google Patents
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- CN205808968U CN205808968U CN201620509472.4U CN201620509472U CN205808968U CN 205808968 U CN205808968 U CN 205808968U CN 201620509472 U CN201620509472 U CN 201620509472U CN 205808968 U CN205808968 U CN 205808968U
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Abstract
This utility model relates to security detection equipment technical field, relate to a kind of safety detecting system, including one or more detection equipment, wherein: the first radiation-emitting device includes the first radiographic source for producing the first detection ray, this the first radiation-emitting device is arranged on the bottom of mobile framework, is used for making the first detection ray from passing beneath testee；Ray receipt device includes the ray detector for correspondingly receiving the first detection ray through testee, and this ray receipt device is arranged on mobile framework；Mobile framework moves along the direction in the detection region making the first radiation-emitting device and ray receipt device move through testee.The safety detecting system provided according to this utility model, owing to gantry frame can drive radiation-emitting device and detector to move, without just being detected by dragging vehicle, and owing to radiographic source is movably arranged at bottom object under test by it, also help sprawling of object under test image.
Description
Technical field
This utility model relates to security detection equipment technical field, particularly relates to a kind of safety detecting system.
Background technology
Packaging goods, vehicle inspection system are to predominantly detect equipment needed for customs.
At present, commonly used detection equipment is the inspection system using single radiation source radiant image.But, the quantity of information of the inspection system of single radiation source radiant image is single, limited.Further, it is only capable of from a direction, object is carried out radiation detection due to single radiation source radiant image, it is impossible to three-dimensionally demonstrate concrete overall dimensions and the density of object of detected object, thus the kind of object cannot be distinguished accurately and rapidly.Therefore, the inspection system of single radiation source radiant image is relatively low for the detection imaging identification of object, thus reduces the safety check effect for packaging goods/vehicle.
Known a kind of inspection system using bi radiation source radiant image.Normally, one of them radiographic source of the inspection system of bi radiation source radiant image is arranged at above object, and another radiographic source is arranged at object side.This structure makes the projection information that inspection system can be detected simultaneously by object both direction, compensate for the deficiency of the inspection system of single radiation source radiant image.But, the image opposing rays source subtended angle gathered due to top lighting system is less, is unfavorable for being deployed in by vehicle in the detector of wider imaging.Further, for packaging goods, vehicle, owing to the size of itself is relatively big, so the size of the inspection system of the bi radiation source radiant image needed is the biggest, the weight causing the inspection system of bi radiation source radiant image is the biggest, it is impossible to move.Therefore, the inspection system of this structure generally requires packaging goods, the vehicle being dragged tens of tons by huge trailer, makes packaging goods, vehicle by inspection system, causes checking system complex, complex operation, with high costs.
Summary of the invention
A purpose of the present utility model is to provide a kind of moveable safety detecting system of radiographic source, it is not necessary to just can detect by dragging vehicle, also help sprawling of object under test image.
To achieve these goals, this utility model takes following technical scheme:
According to an aspect of the present utility model, provide a kind of safety detecting system, including one or more detection equipment, detection equipment includes the first radiation-emitting device, ray receipt device and mobile framework, wherein: the first radiation-emitting device includes the first radiographic source for producing the first detection ray, this the first radiation-emitting device is arranged on the bottom of mobile framework, is used for making the first detection ray from passing beneath testee；Ray receipt device includes the ray detector for correspondingly receiving the first detection ray through testee, and this ray receipt device is arranged on mobile framework；Mobile framework moves along the direction in the detection region making the first radiation-emitting device and ray receipt device move through testee.
According to an aspect of the present utility model, the first radiographic source is isotope radiographic source.
According to an aspect of the present utility model, isotope radiographic source includes60Co、137Cs、192Ir、 75Se。
According to an aspect of the present utility model, also include: the second radiation-emitting device, second radiation-emitting device includes the second radiographic source for producing the second detection ray, and the second radiation-emitting device is arranged on mobile framework, is used for making the second detection ray laterally penetrate testee；Wherein, ray receipt device correspondingly receives the second detection ray through testee, and mobile framework makes the second radiation-emitting device move through detection region.
According to an aspect of the present utility model, the second radiographic source is isotope radiographic source or X-ray emitter.
According to an aspect of the present utility model, isotope radiographic source includes60Co、137Cs、192Ir、 75Se, X-ray emitter includes X-ray machine and electron accelerator.
All it is distributed in fan-shaped plan according to an aspect of the present utility model, the first detection ray and the second detection ray.
According to an aspect of the present utility model, first radiation-emitting device and the second radiation-emitting device are arranged to make the first detection ray and the second detection ray be positioned at Different Plane, and ray receipt device includes the first detector module for receiving the first detection ray and for receiving the second detector module of the second detection ray.
According to an aspect of the present utility model, in first radiation-emitting device and the second radiation-emitting device are alternatingly configured transmitting the first detection ray and the second detection ray and the first detection ray and the second detection ray is generally aligned in the same plane, ray receipt device receives the first detection ray alternately sent and the second detection ray.
According to an aspect of the present utility model, mobile framework can regulate ray receipt device and the distance of the first radiation-emitting device.
According to an aspect of the present utility model, ray receipt device includes that described ray detector includes gas ionization chamber, scintillator detector or semiconductor detector.
According to an aspect of the present utility model, also include: guiding mechanism, for guiding the motion of mobile framework.
Use the safety detecting system according to this utility model embodiment, its the first radiation-emitting device is arranged at the lower section of object under test, and for from bottom to top to object under test direction launch first detection ray, due to its object deposited from vehicle interior distance compared to the radiation-emitting device arranged at vehicle roof closer to, be thus advantageous to sprawling of object under test image.But, fix if being arranged at the first radiation-emitting device below object under test, and when moving scanning by the way of trailer drags object under test, then can trailer mechanism be swept in upward projection, affect the result of imaging.Therefore, the gantry frame of this utility model embodiment is set to drive the first radiation-emitting device and detector synchronously to move along guiding mechanism, so that the first radiation-emitting device and detector move to the other end from one end of object under test, under such circumstances, scanning can be moved without dragging examined object by trailer, and object under test is detected, reduces running cost, and enhance Detection results.
Accompanying drawing explanation
The feature of this utility model exemplary embodiment, advantage and technique effect are described below with reference to the accompanying drawings.
Fig. 1 is the axonometric drawing illustrating the safety detecting system according to an embodiment of the present utility model；
Fig. 2 is the front view illustrating the safety detecting system according to an embodiment of the present utility model；
Fig. 3 is the left view illustrating the safety detecting system according to an embodiment of the present utility model；
Fig. 4 is the top view illustrating the safety detecting system according to an embodiment of the present utility model；
Fig. 5 is the axonometric drawing illustrating the safety detecting system according to another embodiment of the present utility model；
Fig. 6 is the structural representation illustrating the ray receipt module according to an embodiment of the present utility model；
Fig. 7 is the structural representation illustrating the ray receipt module according to another embodiment of the present utility model；
Fig. 8 is the schematic front view illustrating the ray receipt module according to the embodiment in Fig. 7.
In the accompanying drawings, the element that identical symbology is identical, wherein, 1: gantry frame；2: back timber；3: curb girder；4: the first radiation-emitting device；5: the second radiation-emitting device；6: detector module；7: the first detector modules；8: the second detector modules；9: line slideway；10: drive mechanism；11: movable passageway；12: tie-beam；13: front collimator；14: sense channel；15: the first radiographic sources；16: the second radiographic sources.
Detailed description of the invention
With embodiment, embodiment of the present utility model is described in further detail below in conjunction with the accompanying drawings.The detailed description and the accompanying drawings of following example are for exemplarily illustrating principle of the present utility model, but can not be used for limiting scope of the present utility model, i.e. this utility model and be not limited to described preferred embodiment, and scope of the present utility model is defined by the claims.
In description of the present utility model, it should be noted that, except as otherwise noted, term " on ", D score, the orientation of the instruction such as "left", "right" or position relationship be based on orientation shown in the drawings or position relationship, it is for only for ease of description this utility model and simplifies description, rather than instruction or the device of hint indication or element must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to restriction of the present utility model.Additionally, term " first ", " second " etc. are only used for describing purpose, and it is not intended that indicate or hint relative importance.
In description of the present utility model, in addition it is also necessary to explanation, unless otherwise clearly defined and limited, term " is installed ", " connection " should be interpreted broadly, and connects for example, it may be fixing, it is also possible to be to removably connect, or be integrally connected；Can be to be mechanically connected, it is also possible to be electrical connection；Can be to be joined directly together, it is also possible to be indirectly connected to by intermediary.For the ordinary skill in the art, visual concrete condition understands above-mentioned term concrete meaning in this utility model.
Safety detecting system according to embodiment of the present utility model for carrying out safety detection to article to be measured, and wherein, article to be measured can be large-scale packaging goods, vehicle, it is possible to scans article to be measured by the way of radiation-emitting device moves.Certainly, this safety detecting system is not limited to detect large-scale packaging goods, vehicle, it is also possible to detect small-sized vehicle and parcel etc..
In order to be more fully understood that this utility model, below in conjunction with Fig. 1-8 to being described in detail for large-scale packaging goods, the safety detecting system of vehicle detection according to this utility model embodiment.
Fig. 1 is the axonometric drawing illustrating the safety detecting system according to an embodiment of the present utility model；Fig. 2 is the front view illustrating the safety detecting system according to an embodiment of the present utility model；Fig. 3 is the left view illustrating the safety detecting system according to an embodiment of the present utility model；Fig. 4 is the top view illustrating the safety detecting system according to an embodiment of the present utility model.A kind of safety detecting system for lorry, detection equipment includes the first radiation-emitting device 4, ray receipt device and mobile framework, wherein: the first radiation-emitting device 4 includes the first radiographic source 15 for producing the first detection ray, this the first radiation-emitting device 4 is arranged on the bottom of mobile framework, is used for making the first detection ray from passing beneath testee；Ray receipt device includes the ray detector for correspondingly receiving the first detection ray through testee, and this ray receipt device is arranged on mobile framework；Mobile framework moves along the direction in the detection region making the first radiation-emitting device 4 and ray receipt device move through testee, make the first radiation-emitting device 4 and detector move to the other end from one end of object under test, thus examined object is detected.
According to embodiment of the present utility model, mobile framework is gantry frame 1, gantry frame 1 includes back timber 2 and two curb girders 3, back timber 2 and two curb girders 3 constitute doorframe structure, wherein, the highly desirable height higher than examined object of gantry frame 1 so that it is article to be detected can be passed through in the space of formation.
According to embodiment of the present utility model, first radiation-emitting device 4 is arranged at the lower section of object under test, and the direction being set to its first detection ray sent is straight up, thus ensure the first detection ray sending to object under test from bottom to top, make detector module 6 receive the projection looked up.In one embodiment, the first radiographic source 15 is isotope radiographic source, and wherein, isotope can be60Co、137Cs、192Ir、75Se., in the present embodiment, isotope is60Co.This isotope radiographic source send first detection ray subtended angle could be arranged to 60 degree or more than, compared in prior art use accelerator there is bigger subtended angle, make the first radiation-emitting device 4 relative to car body distance closer to.Therefore, when it is arranged at below car body, distance overhead can be greatly shortened, thus reduces difficulty of construction.And due to the first radiation-emitting device 4 relative to car body distance closer to, be therefore more beneficial for sprawling of object under test image, thus facilitate testing staff for the identification of projection picture and analysis.
Additionally, when radiation-emitting device is arranged at frame roof by prior art, due to prior art use for accelerator, its subtended angle is less, therefore, the highly desirable of the back timber that gantry frame 1 is connected with accelerator is significantly higher than the highest object height or is provided with the connection member being sufficiently high for connecting accelerator on gantry frame 1, can be completely covered with guarantee detection ray and scan object under test.And, when radiation-emitting device is arranged at frame roof by prior art, its detector module 6 is arranged in correspondence with the lower section in car body, generally, detector module 6 is imbedded underground, cause being only capable of moving scanning by dragging object under test, and cannot realize being scanned by mobile accelerator and detector module 6 measuring targets.Therefore, the first radiation-emitting device 4 is arranged at the lower section of object under test, the height of gantry frame 1 can be substantially reduced, thus reduce the overall dimensions of gantry frame 1 and safety detecting system.Owing to the first radiation-emitting device 4 is isotope radiographic source, its volume and weight are relatively small, also make to be more prone to by the Scanning Detction of the first radiation-emitting device 4 measuring targets.
In a kind of embodiment shown in Fig. 1-4, the first radiation-emitting device 4 is arranged at the middle position of the lower section of object under test.But, the position of the first radiation-emitting device 4 is not limited to this, such as, the position of the first radiation-emitting device 4 can be arranged at the position to the left below object under test, the position to the right below object under test can also be arranged at, as long as be capable of its first detection ray can launch straight up, and obtain the upward projection of object under test.
According to a kind of embodiment of the present utility model, first radiation-emitting device 4 can be embedded in the end, ground, now, the bottom of the either side curb girder of gantry frame 1 is provided with horizontally disposed tie-beam 12, movable passageway 11 can be set by any-mode bottom ground, make above the ground can park and by vehicle at movable passageway 11, and ensure at this bearing capacity to vehicle.Tie-beam 12 is arranged in underground movable passageway 11 so that it is can follow gantry frame 1 and move.First radiation-emitting device 4 is fixed on this tie-beam 12, and its overhead height is not higher than ground.Specifically, tie-beam 12 being offered the first groove, the first radiation-emitting device 4 can be fixed on this first inside grooves by any form.Fig. 5 is the axonometric drawing illustrating the safety detecting system according to another embodiment of the present utility model, in the embodiment shown in fig. 5, the sense channel 14 for carrying object under test can also be set up on the ground, this sense channel 14 could be arranged to arch bridge form, now, this tie-beam 12 can be arranged in the space bottom arch bridge and between ground.
According to embodiment of the present utility model, also include the second radiation-emitting device 5.Second radiation-emitting device 5 includes the second radiographic source 16 for producing the second detection ray, and second radiation-emitting device 5 be arranged at the side of object under test, and the direction being set to its second detection ray sent is horizontally oriented, thus ensure that the second detection ray sends to opposite side from the side of article to be measured, thus form side projection.First radiation-emitting device 4 can act on jointly with the second radiation-emitting device 5, system is made to define side projection and the stereoscopic radiation imaging modality of upward projection combination, such that it is able to three-dimensionally demonstrate concrete overall dimensions and the density of object of detected object, distinguish the kind of object accurately and rapidly.In one embodiment, the second radiation-emitting device 5 can be isotope radiographic source, and in another embodiment, the second radiographic source 16 can also be X-ray emitter, including X-ray machine and electron accelerator.
In a kind of embodiment shown in Fig. 2, the second radiation-emitting device 5 is arranged at determinand
The bottom position on the right side of body, and be fixed on gantry frame 1.But, the position of the second radiation-emitting device 5 is not limited to this, such as, the position of the second radiation-emitting device 5 can be arranged at the optional position on the right side of object under test, think the optional position can being arranged on the left of object under test, as long as be capable of its second detection ray to send to opposite side from the side of article to be measured, and obtain the side projection of object under test.
Such as, according to embodiment of the present utility model, the second radiation-emitting device 5 is arranged at bottom gantry frame 1 right side sills 3, and ensures that the center of circle of the fan-shaped plan of the second detection ray formation rest on the ground.In other embodiments, the center of circle of the fan-shaped plan that the second detection ray is formed can also be concordant with wheel height, and this position can be adjusted as the case may be.Specifically, the bottom of gantry frame 1 right side sills 3 offers the second groove, and the second radiation-emitting device 5 can be fixed on described second inside grooves in any form.
It is distributed in fan-shaped plan respectively according to embodiment of the present utility model, the first detection ray and the second detection ray.When utilizing X-ray emitter as radiation-emitting device, the beam that ray is taper sent due to X-ray emitter, it is thus desirable to X-ray emitter ray emission end increase before collimator 13, make the beam of taper become the detection ray in fan-shaped plan required for detection.When utilizing isotope radiographic source as radiation-emitting device, owing to its structure includes shield shell and the isotope being arranged in shield shell, shield shell is provided with slit-type emission port, therefore, the ray that co-located radiographic source sends can be directly disposed as detecting the required detection ray in fan-shaped plan.When needing isotope radiographic source to send detection ray in fan-shaped plan more accurately, collimator 13 before being also provided with at the emission port of shield shell.I.e. first radiation-emitting device 4 and the second radiation-emitting device 5 can also include front collimator 13.
According to embodiment of the present utility model, ray receipt module includes ray detector, ray detector is arranged on top and the sidewall of gantry frame 1, for receiving the first detection ray and the second detection ray of the first radiation-emitting device 4 and the transmitting of the second radiation-emitting device 5.Wherein, ray detector can be any one of ionization chamber, proportional counter, geiger-muller, scintillation counter, semiconductor detector etc..As a example by the reception of the first detection ray, according to the position of ray detector, ray detector is received whole signals through the first detection ray after object under test to be sent to control device, such that it is able to obtain the upward projection of the now object under test of the first radiation-emitting device 4 present position.After the whole upward projection combination from one end of object under test to the other end, obtain the overall upward projection of object under test.For reception and the acquisition of side elevation of the second detection ray, identical with the first detection ray, do not repeat at this.When after the upward projection respectively obtaining object under test and side elevation, it is filtered by control unit, and the image information of upward projection and side elevation is combined process, thus obtain the physical propertys such as the shape of object under test, position, structure and density, and will combine after image show testing staff by display device.
Fig. 6 is the structural representation illustrating the ray receipt module according to an embodiment of the present utility model.In the embodiment shown in fig. 6, first detection ray and the second detection ray are positioned at Different Plane, i.e. first radiation-emitting device 4 and the second radiation-emitting device 5 correspondingly stagger certain distance, and make the first detection ray and the second detection ray be arranged in two planes being parallel to each other.Now, ray detector includes one group of first detector module 7 being same as receiving the first detection ray and one group of second detector module 8 for reception the second detection ray.Wherein, first detector module 7 and the second detector module 8 are set in parallel on roof and the sidewall of gantry frame 1, the first detector module 7 is made to arrange corresponding to the first radiation-emitting device 4, second detector module 8 is arranged corresponding to the second radiation-emitting device 5, thus receive the first detection ray or the first detector error with avoiding the second detector error receives the second detection ray.Now, a length of of the first detector module 7 is able to receive that the first whole detection rays, and same, a length of of the second detector module 8 is able to receive that the second whole detection rays.In yet another embodiment, it is also provided with lead etc. between first detector and the second detector and can play the screening arrangement of shielding action, thus further avoid the first detector and the second detector receives interference signal, improve the accuracy of safety detecting system.
In other embodiments, the front end of the first detector module 7 and the second detector module 8 can also be respectively provided with rear collimator, the transmitted ray detecting ray for only making corresponding radiographic source send enters ray detector, scattered ray and the transmitted ray of the most radiogenic detection ray sent and scattered ray is avoided to enter in this ray detector, to improve picture quality.Correspondingly, collimator 13 before and/or setting up before the second radiographic source 16 before the first radiographic source 15, the fan-ray beam width along scanning direction can also be reduced, ensure that the first detector and the second detector only detect corresponding detection ray signal, reduce the crosstalk of signal between the first detector and the second detector, improve picture quality and reduce environmental radiation dose.
Fig. 7 is the structural representation illustrating the ray receipt module according to another embodiment of the present utility model；Fig. 8 is the schematic front view illustrating the ray receipt module according to the embodiment in Fig. 7.In the embodiment shown in Fig. 7-8, in first detection ray and the second detection ray are generally aligned in the same plane, ray detector only comprises one group of detector module 6 for receiving the first detection ray alternately sent and the second detection ray, the first radiation-emitting device 4 will be set to and the second radiation-emitting device 5 alternately sends detection ray by this safety detecting system, thus avoid detector and be simultaneously received the first detection ray and the second detection ray, prevent detector from interference signal being detected, be effectively improved the accuracy of safety detecting system imaging.It addition, at least some of detector in detector module 6 is configured to detect ray and the second detection ray at different reception first, reduce the cost of detector.
According to embodiment of the present utility model, when the first radiation-emitting device 4 and the second radiation-emitting device 5 are isotope radiographic source, the method making the first detection ray and the second detection ray alternate emission can include changing the position of the emission port of the first radiation-emitting device 4 and the second radiation-emitting device 5, or change the first radiation-emitting device 4 and isotopic position of the second radiation-emitting device 5, whether the ray sent to control isotope can penetrate from emission port, thus realize described first radiation-emitting device 4 and described second radiation-emitting device 5 alternately sends detection ray.
Such as, the position of the emission port changing the first radiation-emitting device 4 and the second radiation-emitting device 5 includes rotating the first radiation-emitting device 4 and shielding shell of the second radiation-emitting device 5, emission port is made to rotate, and the holding of isotopic position is fixing, thus change emission port and isotopic relative position.The isotopic position changing the first radiation-emitting device 4 and the second radiation-emitting device 5 includes making isotope move with rotation or reciprocating mode, and the shielding shell of the first radiation-emitting device 4 and the second radiation-emitting device 5 keeps fixing, thus change emission port and isotopic relative position.
In other embodiments, such as when the second radiation-emitting device 5 is X-ray emitter, it is only necessary to by digital control, the triggering signal that the second radiation-emitting device 5 is launched detection ray is controlled, send with making trigger signal interval, the transmitting of detection ray interval can be made.
According to embodiment of the present utility model, detector module 6 is ray detector, and it includes gas ionization chamber, scintillator detector or semiconductor detector.When detector module 6 is scintillator detector or semiconductor detector, due to its non-directive, the curb girder 3 of gantry frame 1 is positioned at the part below detector and could be arranged to adjustable for height structure, i.e. it is provided with stretching structure, makes detector module 6 may be located remotely from or near the first radiation-emitting device 4.When running into large volume of object under test, raise the height of detector module 6；When running into the object under test of smaller size smaller, reduce the height of detector module 6, thus improve the transmitted intensity that detector module 6 receives, it is ensured that image quality.
Fig. 2 is the front view illustrating the safety detecting system according to an embodiment of the present utility model.Fig. 3 is the top view illustrating the safety detecting system according to an embodiment of the present utility model.Showing the guiding mechanism in this utility model embodiment in Fig. 2 and Fig. 3, in the present embodiment, guiding mechanism is line slideway 9.Gantry frame 1 is connected with this line slideway 9 movably, and gantry frame 1 controls it by drive mechanism 10 and moves.Wherein, drive mechanism 10 can include roller and drive motor, or drive mechanism 10 can be to make gantry frame 1 drive the structure that first radiation-emitting device the 4, second radiation-emitting device 5 and detector module 6 are synchronized with the movement arbitrarily.
According to embodiment of the present utility model, gantry frame 1 drives first radiation-emitting device the 4, second radiation-emitting device 5 and detector synchronously to move along guiding mechanism, so that first radiation-emitting device the 4, second radiation-emitting device 5 and detector move to the other end from one end of object under test, can detect without dragging examined object by trailer, reduce running cost, and improve detection efficiency.
In other embodiments, the quantity of detection equipment can be two, and now, the quantity of gantry frame 1 can be two.Two gantry frames 1 are set up in parallel and can be synchronized with the movement, and make gantry frame 1 move once, can detect two objects under test simultaneously；Or make gantry frame 1 move one time time check respectively for the front and rear of object under test, thus improve detection efficiency.Certainly the quantity of detection equipment can also be more, and ensure that it can be synchronized with the movement, and now, gantry frame 1 moves and the most i.e. can detect more object under test simultaneously or improve detection efficiency further.
Such as, when the quantity of gantry frame 1 is two, two gantry frames about 1 are set up in parallel, and what two gantry frames 1 were close to each other can merge into same sidewall, can also be that two sidewalls are fixing to connect, so that two gantry frames 1 can be synchronized with the movement.Being separately installed with first radiation-emitting device 4 bottom each gantry frame 1, two gantry frames 1 share second radiation-emitting device 5, and this second radiation-emitting device 5 is arranged on the sidewall between two gantry frames 1.Now, the emission port of the second radiation-emitting device 5 is set to two, and the second detection ray is launched in both sides the most to the left and right simultaneously, make two gantry frames 1 all can be carried out the detection of side projection by this second radiation-emitting device 5 simultaneously, thus complete gantry frame 1 when moving one time, two objects under test of detection simultaneously, improve detection efficiency.
The most such as, when the quantity of gantry frame 1 is two, it is set up in parallel before and after two gantry frames 1, and two gantry frames 1 can synchronously move to same direction.Now, each gantry frame 1 is arranged in correspondence with first radiation-emitting device 4 and second radiation-emitting device 5, thus completes gantry frame 1 when moving one time, detects the front and rear of object under test simultaneously, improves detection efficiency.But, those skilled in the art can be it is readily conceivable that two gantry frames 1 be with the situation of identical velocity reversal's motion.Specifically, the motion mode of gantry frame 1 can be that two gantry frames 1 can move to middle part from object under test two ends simultaneously, or two gantry frames 1 can be from the middle part of object under test to two end motions, as long as be capable of gantry frame 1 and move once, the different parts of object under test can be detected respectively, and the projection that gantry frame 1 detects may finally be combined as the projection of this object under test.
The content that described and explanation the embodiment of this utility model is protected for this utility model is illustrative and be not restrictive; it is therefore to be understood that be; above-described embodiment only illustrate and describes preferred version of the present utility model, and all modifications example and equivalent arrangements in claims limited range belong to the content that this utility model is protected.
Claims (12)
1. a safety detecting system, including one or more detection equipment, described detection equipment bag
Include the first radiation-emitting device, ray receipt device and mobile framework, wherein:
Described first radiation-emitting device includes the first radiographic source for producing the first detection ray,
This first radiation-emitting device is arranged on the bottom of described mobile framework, is used for making described first inspection
Survey ray from passing beneath testee；
Described ray receipt device includes for correspondingly receiving through described in described testee
The ray detector of the first detection ray, this ray receipt device is arranged on described mobile framework；
Described mobile framework is along making described first radiation-emitting device and described ray receipt device
Move through the direction motion in the detection region of described testee.
Safety detecting system the most according to claim 1, wherein, described first radiographic source
For isotope radiographic source.
Safety detecting system the most according to claim 2, wherein, described isotope ray
Source includes60Co、137Cs、192Ir、75Se。
Safety detecting system the most according to claim 1, also includes:
Second radiation-emitting device, described second radiation-emitting device includes for producing the second inspection
Surveying the second radiographic source of ray, described second radiation-emitting device is arranged on described mobile framework,
For making described second detection ray laterally penetrate described testee；Wherein,
Described ray receipt device correspondingly receives described second detection through described testee
Ray, and described mobile framework makes described second radiation-emitting device move through described detection
Region.
Safety detecting system the most according to claim 4, wherein, described second radiographic source
For isotope radiographic source or X-ray emitter.
Safety detecting system the most according to claim 5, wherein, described isotope ray
Source includes60Co、137Cs、192Ir、75Se, described X-ray emitter includes that X-ray machine and electronics add
Speed device.
Safety detecting system the most according to claim 4, wherein, described first detection is penetrated
Line and described second detection ray are all distributed in fan-shaped plan.
Safety detecting system the most according to claim 4, wherein, described first ray is sent out
Injection device and described second radiation-emitting device are arranged to make described first detection ray and described the
Two detection rays are positioned at Different Plane, and described ray receipt device includes for receiving described the
One detection ray the first detector module and for receive described second detection ray second spy
Survey device module.
Safety detecting system the most according to claim 4, wherein, described first ray is sent out
Injection device and described second radiation-emitting device be alternatingly configured transmitting described first detection ray and
Described second detection ray and described first detection ray and described second detection ray are positioned at same
In one plane, described ray receipt device receives described first detection ray and the institute alternately sent
State the second detection ray.
Safety detecting system the most according to claim 1, wherein, described mobile framework
The distance of described ray receipt device and described first radiation-emitting device can be regulated.
11. safety detecting systems according to claim 2, wherein, described X-ray detection X
Device includes gas ionization chamber, scintillator detector or semiconductor detector.
12. safety detecting systems according to claim 1, also include:
Guiding mechanism, for guiding the motion of described mobile framework.
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| CN201620509472.4U CN205808968U (en) | 2016-05-30 | 2016-05-30 | Safety detecting system |
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| CN201620509472.4U CN205808968U (en) | 2016-05-30 | 2016-05-30 | Safety detecting system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106053497A (en) * | 2016-05-30 | 2016-10-26 | 清华大学 | Safety detecting system |
| CN110455838A (en) * | 2018-05-08 | 2019-11-15 | 清华大学 | Vehicle detection equipment and vehicle detecting system |
| WO2021259327A1 (en) * | 2020-06-23 | 2021-12-30 | 同方威视技术股份有限公司 | Movable inspection device and inspection method |
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2016
- 2016-05-30 CN CN201620509472.4U patent/CN205808968U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106053497A (en) * | 2016-05-30 | 2016-10-26 | 清华大学 | Safety detecting system |
| CN106053497B (en) * | 2016-05-30 | 2018-12-28 | 清华大学 | Safety detecting system |
| US10302806B2 (en) | 2016-05-30 | 2019-05-28 | Tsinghua University | Security detection system |
| CN110455838A (en) * | 2018-05-08 | 2019-11-15 | 清华大学 | Vehicle detection equipment and vehicle detecting system |
| WO2021259327A1 (en) * | 2020-06-23 | 2021-12-30 | 同方威视技术股份有限公司 | Movable inspection device and inspection method |
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