CN206132670U - A image device for vehicle safety check - Google Patents

Abstract

The utility model relates to an image device for vehicle safety check belongs to the safety check field. An image device for vehicle safety check includes: the radiation source device, including first ray unit, the first bundle of rays of the first predetermined subtended angle outgoing in first ray unit edge, so that first bundle of rays passes examines the first portion of vehicle in order to predetermine speed through the quilt of inspection passageway, the detector device, include with first ray unit corresponds the first detector unit that sets up, first detector unit is used for receiving first bundle of rays. Wherein, the radiation source device set up at least in part in on the road surface of inspection passageway, first detector unit set up in the first side of inspection passageway. The safety inspection work of article is in violation of rules and regulations concealed by the privileged site whether in can realizing the vehicle according to this disclosed an image device for vehicle safety check.

Description

A kind of imaging device checked for vehicle safety

Technical field

It relates to safety inspection technical field, in particular to a kind of imaging dress checked for vehicle safety Put.

Background technology

With cracking down on smuggling and security needs, all how to be ensured using more advanced technology in research in world wide The safety of society, cracks down on smuggling, terrified criminal activity.

With shipping or passenger stock as instrument, in concealed locations such as vehicle interior, tires smuggling thing, weapon, blast are concealed The contrabands such as thing, so as to hide inspection, the region such as the department that joins the civil service, important venue, customs carries out criminal activity, with hidden The characteristics of covering property is strong, by the method that Traditional Man is checked, not only efficiency is low, and speed is slow, puts into a large amount of human and material resources, Er Qiezhun Really property is poor, therefore in the urgent need to one kind is in vehicle pass-through, quickly captures vehicle concealment part image, so as to find violated thing The system of product, can be widely applied to customs, government bodies, security department, prison, meeting-place, competition gymnasiums and stadiums, airport, restaurant, silver The safety inspection in the place such as row, harbour, nuclear power station.

At present general container vehicle Examined effect scheme is that radiation source is placed in tested vehicle side and is imaged, due to Radiation source needs certain setting height(from bottom), therefore the minimum scanning height of equipment is not less than 0.5m, it is impossible to scanning to complete car Tire and lower vehicle tool box or luggage case, are that this can only be solved by raising vehicle pass-through ground level, not only soil Build great in constructing amount, and for many container vehicles are checked in equipment application scene, it is impossible to ground construction is carried out, is that this is current There is leak in general Examined effect scheme, bring potential safety hazard to vehicle tyre and lower tool case, the inspection of luggage case.

And the Examined effect of radiant image is carried out in vehicle pass-through at present, for support personnel's safety, it is necessary to avoid It is scanned after driver's cabin, and small-sized passenger stock driver's cabin heel row also has personnel, therefore existing Examined effect cannot be realized The inspection of the concealment parts such as boot, tire, the tool box to the middle-size and small-size passenger stock of traveling, current Examined effect scheme is to little There is potential safety hazard and risk in type passenger stock inspection.

Accordingly, it would be desirable to a kind of new imaging device checked for vehicle safety.

Above- mentioned information is only used for strengthening the understanding of background of this disclosure disclosed in the background section, therefore It can include not constituting the information to prior art known to persons of ordinary skill in the art.

Utility model content

A kind of imaging device checked for vehicle safety of disclosure, can solve the problem that above-mentioned whole of the prior art Or subproblem.

Other characteristics of the disclosure and advantage will be apparent from by detailed description below, or partially by the disclosure Practice and acquistion.

According to an aspect of this disclosure, there is provided a kind of imaging device checked for vehicle safety, including：Radiation source is filled Put, including the first ray unit, first ray unit along the first predetermined beam of subtended angle outgoing first so that described first Beam is through the Part I for passing through the tested vehicle of inspection passage with pre-set velocity；Detector assembly, including with described The first detector cells that one ray unit is correspondingly arranged, first detector cells are used to receive first beam； Wherein, the radiation source device is at least partially disposed on the road surface of the inspection passage, first detector cells It is arranged at the first side of the inspection passage.

In a kind of exemplary embodiment of the disclosure, the radiation source device also includes：Second ray unit, described Two ray units are along the second predetermined beam of subtended angle outgoing second, so that second beam is through the of the tested vehicle Two parts.The direction of wherein described second predetermined subtended angle is different from the direction of the described first predetermined subtended angle.

In a kind of exemplary embodiment of the disclosure, the detector assembly also includes：With second ray unit The second detector cells being correspondingly arranged, second detector cells are used to receive second beam；Wherein, described Two detector cells are arranged at the second side of the inspection passage.

In a kind of exemplary embodiment of the disclosure, first detector cells and second detector cells have There is predetermined altitude.Described first predetermined subtended angle and second ray of the wherein described predetermined altitude according to first beam Described second predetermined subtended angle of beam and the size of the Part I and the Part II determine.

In a kind of exemplary embodiment of the disclosure, first ray unit includes radiographic source and shield, described Shield and the collimater are used to shield the ray outside the described first predetermined subtended angle of the radiographic source transmitting, while constraint The width of the ray.

In a kind of exemplary embodiment of the disclosure, first ray unit includes radiographic source, shield and standard Straight device.Wherein described shield and the collimater be used to shielding the radiographic source transmitting along the described first predetermined subtended angle outgoing First beam and the ray outside the second beam of the second predetermined subtended angle outgoing, while constraining the ray Width.Part II of wherein described second beam through the tested vehicle.

In a kind of exemplary embodiment of the disclosure, the detector assembly also includes：With the described second predetermined subtended angle The second detector cells being correspondingly arranged, second detector cells are used to receive second beam；Wherein, it is described Second detector cells are arranged at the second side of the inspection passage.

In a kind of exemplary embodiment of the disclosure, a part for the radiation source device is embedded in the inspection passage Below road surface, another part exposes the road surface of the inspection passage, and the wherein height of exposed portion is less than a preset value.Wherein institute State the terrain clearance that preset value is relevant to the chassis of the tested vehicle.

In a kind of exemplary embodiment of the disclosure, when the tested vehicle is the first vehicle, the radiation source device The exposed portion have first height, and the radiation source device outgoing have the first energy ray；The tested car For the second vehicle when, the exposed portion of the radiation source device has the second height, and the radiation source device outgoing Ray with the second energy；Wherein, less than the described second height, first energy is less than described second to first height Energy.

In a kind of exemplary embodiment of the disclosure, also include：First sensory package, is arranged on the radiation source device The first side, its be used for export the first transducing signal represent the tested vehicle enter the inspection passage.

In a kind of exemplary embodiment of the disclosure, first sensory package includes that being embedded in the inspection passage enters Ground induction coil at mouthful.

In a kind of exemplary embodiment of the disclosure, also include：Second sensory package, is arranged at the first sensing group Between part and the radiation source device, it is used for the second transducing signal of output and represents that the Part I of the tested vehicle enters Enter the radiation areas of the radiation source device, and control ray of the radiation source device outgoing with the first dosage.

In a kind of exemplary embodiment of the disclosure, second sensory package includes the first optoelectronic switch group, described First optoelectronic switch group is arranged at the both sides of the inspection passage and/or the road surface of the inspection passage.

In a kind of exemplary embodiment of the disclosure, also include：3rd sensory package, is arranged at the radiation source device The second side, it is used to exporting the 3rd transducing signal and represents that the Part I of the tested vehicle sails out of radiation source dress The radiation areas put, and control ray of the radiation source device outgoing with the second dosage；Wherein, second dosage Less than first dosage.

In a kind of exemplary embodiment of the disclosure, the 3rd sensory package includes the second optoelectronic switch group, described Second optoelectronic switch group is arranged at the both sides of the inspection passage and/or the road surface of the inspection passage.

In a kind of exemplary embodiment of the disclosure, also include：Velocity sensor, exists for measuring the tested vehicle Translational speed in the inspection passage.

In a kind of exemplary embodiment of the disclosure, also include：First time-delay mechanism, connects with the velocity sensor Connect, for arranging for one first time delay according to the size of the translational speed and the Part I；Wherein, when described second Sensory package detects the radiation areas that the Part I of the tested vehicle enters the radiation source device, Jing Cross first delay time, export one first control signal control the radiation source device outgoing ray dosage from described First dosage is converted to the second dosage.

In a kind of exemplary embodiment of the disclosure, also include：Second time-delay mechanism, connects with the velocity sensor Connect, for being arranged according to the wheelbase between the translational speed and the Part I and a Part III of the tested vehicle One second time delay；Wherein, when the dosage of the ray of the radiation source device outgoing be converted to from first dosage it is described Second dosage, through second time delay, exports the ray that one second control signal controls the radiation source device outgoing Dosage be converted to first dosage from second dosage.

In a kind of exemplary embodiment of the disclosure, the radiation source device is arranged at the road surface of the inspection passage Central authorities, and the target center of first ray unit be arranged at it is described inspection passage road surface on.

In a kind of exemplary embodiment of the disclosure, the first predetermined subtended angle and second predetermined subtended angle direction phase Instead, first detector cells and second detector cells are oppositely arranged.

In a kind of exemplary embodiment of the disclosure, also include：Data acquisition and imaging device, with detector dress Connection is put, the first ray intensity data for receiving the first ray unit output generates the first radiation diagram of the Part I Picture.

In a kind of exemplary embodiment of the disclosure, also include：Display device, with the data acquisition and imaging device Connection, for showing first radiation image of the tested vehicle.

In a kind of exemplary embodiment of the disclosure, also include：Judgment means, for according to first radiation image Judge whether carry prohibited items secretly in the Part I.

In a kind of exemplary embodiment of the disclosure, also include：Control device, with the radiation source device and the spy The connection of device device is surveyed, for controlling the startup and closing of the radiation source device and the detector assembly.

In a kind of exemplary embodiment of the disclosure, first detector cells and second detector cells are Linear array detector.

In a kind of exemplary embodiment of the disclosure, the radiating surface of first beam of the first predetermined subtended angle Perpendicular to the road surface of the inspection passage.

According to the imaging device checked for vehicle safety of the disclosure, quickly vehicle privileged site (for example can be taken turns Tire, boot, luggage case, tool box etc.) radiant image is carried out, to realize detecting in the privileged site whether carry prohibited items secretly Purpose.

In addition, according to some embodiments of the present disclosure, only vehicle privileged site region can be imaged and not to it Its part is imaged so that the exposure dose of radiation that driver and crew receive is minimized.

Another further aspect, according to some embodiments of the present disclosure, can simultaneously be imaged to the left and right privileged site of vehicle, and The imaging region of left and right privileged site is not overlapped.

Description of the drawings

Its example embodiment is described in detail by referring to accompanying drawing, above and other feature of the disclosure and advantage will become Become apparent from.

Fig. 1 schematically shows a kind of imaging device checked for vehicle safety according to the example embodiment of the disclosure one Structural representation；

Fig. 2 schematically shows is used for the imaging dress that vehicle safety is checked according to the another kind of the example embodiment of the disclosure one The structural representation put；

Fig. 3 schematically shows and is filled according to another imaging for being used for vehicle safety inspection of the example embodiment of the disclosure one The structural representation put；

Fig. 4 schematically shows a kind of imaging method checked for vehicle safety according to the example embodiment of the disclosure one Flow chart；

Fig. 5 schematically shows is used for the imaging side that vehicle safety is checked according to the another kind of the example embodiment of the disclosure one The flow chart of method；

Fig. 6 schematically shows another imaging side checked for vehicle safety according to the example embodiment of the disclosure one The flow chart of method.

Specific embodiment

Example embodiment is described more fully with referring now to accompanying drawing.However, example embodiment can be real in a variety of forms Apply, and be not understood as limited to embodiment set forth herein；Conversely, thesing embodiments are provided so that the disclosure will be comprehensively and complete It is whole, and the design of example embodiment is comprehensively conveyed to into those skilled in the art.Identical reference is represented in figure Same or similar part, thus repetition thereof will be omitted.

Additionally, described feature, structure or characteristic can be combined in one or more enforcements in any suitable manner In example.In the following description, there is provided many details are so as to providing fully understanding for embodiment of this disclosure.However, It will be appreciated by persons skilled in the art that the technical scheme of the disclosure can be put into practice without in the specific detail or more It is many, or can be using other methods, constituent element, material, device, step etc..In other cases, it is not shown in detail or describes Known features, method, device, realization, material operate to avoid each side of the fuzzy disclosure.

The disclosure proposes a kind of new imaging device checked for vehicle safety, and using being installed on passage road surface is checked Radiation source device and check the detector assembly of passage side carrying out radiant image, and root to the vehicle privileged site in traveling Judge whether carry prohibited items secretly in the privileged site according to radiation image.The following examples are with the privileged site as tested car Tire as a example by illustrate, but it should be recognized that the privileged site is not limited to tire, for example, can also be tested car Luggage case, tool box, boot etc..

Fig. 1 schematically shows a kind of imaging device checked for vehicle safety according to the example embodiment of the disclosure one Structural representation.

As shown in figure 1, the imaging device 100 for vehicle safety inspection includes：Radiation source device 110 and detector are filled Put 120.

Wherein radiation source device 110 includes the first ray unit 111, and the first ray unit 111 goes out along the first predetermined subtended angle α Penetrate the first beam S1 so that the first beam S1 through with pre-set velocity by checking the of the tested vehicle 140 of passage 130 A part of (for example, first tire 141).

Wherein radiation source device 110 is at least partially disposed on the road surface 131 for checking passage 130.

In the exemplary embodiment, a part for radiation source device 110 can be embedded in below the road surface for checking passage 130, separately A part exposes the road surface 131 for checking passage 130, and the wherein height H1 of exposed portion is less than a preset value.

In certain embodiments, the preset value is relevant to terrain clearance H2 on the chassis of tested vehicle 140.Wherein H1 is little In H2.

In further embodiments, radiation source device 110 can also be disposed entirely within the road surface 131 for checking passage 130, Minimum terrain clearance of the height of part less than tested vehicle as long as its satisfaction is basseted.

In the exemplary embodiment, radiation source device 110 may be disposed at the central authorities on the road surface 131 for checking passage 130.One In a little embodiments, the target center of the first ray unit 111 is arranged on the road surface 131 for checking passage 130.

In certain embodiments, radiation source device 110 is standalone module, possesses self-shileding ability, except for outgoing first The region gone out outside beam mouth of beam S1, leakage rate is less than 2.5 μ Gyh at 1.5 meters of distances of radiation source device^-1.At some In embodiment, radiation source device 110 can adopt sheet metal structural, possess the degree of protection of IP65.

In the exemplary embodiment, when tested vehicle 140 is the first vehicle, the exposed portion of radiation source device 110 With the first height, and the outgoing of radiation source device 110 has the ray of the first energy.

For example, the first vehicle can be general passenger car.Due to the terrain clearance on the chassis of general passenger car it is typically minimum For 150mm, under fully loaded transportation condition 100mm is likely to be breached.Therefore, it can to arrange the first height be less than 100mm, such as 90mm, 80mm etc..

In the exemplary embodiment, when tested vehicle 140 is the second vehicle, the exposed portion of radiation source device 110 With the second height, the wherein outgoing of radiation source device 110 has the ray of the second energy.

In certain embodiments, less than the described second height, first energy is less than described second to first height Energy.

For example, the second vehicle can be container car, the general minimum 300mm of the terrain clearance on the chassis of container car. Therefore, it can arrange the second height is less than 300mm, such as 200mm, 150mm etc..Simultaneously as under normal circumstances, it is general to take advantage of Tire thickness with car is lower than the tire thickness of container car, so, the radial energy of the tire radiant image of general passenger car The ray energy of the tire radiant image of the ratio container car that amount can be arranged is low, but the disclosure is not limited.

In certain embodiments, finer division can also be carried out to the vehicle of tested vehicle, for example, is divided into little sedan-chair Car, motor bus, container truck, van etc..The radiation of different-energy, different terrain clearances is arranged according to different vehicles Source device.

In certain embodiments, the radiation source device of the dimension suitable for different automobile types can be made, according to tested The difference of type of vehicle, changing radiation source device can meet the replacing of the tyre inspection to different automobile types.

In certain embodiments, can make one can Automatic adjusument radiation source device, a chassis can be passed through The terrain clearance on the chassis of height sensor detection tested vehicle, then according to the terrain clearance of the tested vehicle for detecting from The radiation source device that adjusts of adaptation exposes the height of road surface part and/or the ray energy of outgoing.

Wherein detector assembly 120 includes the first detector cells 121 being correspondingly arranged with the first ray unit 111, the One detector cells 121 are used to receive the first beam S1.

In certain embodiments, the imaging region of the first detector cells 121 may be configured as 1.2 meters.Certainly, the disclosure is not As limit, the height of specific imaging region can be adjusted according to system requirements, such as according to the tire of tested vehicle Size, boot, luggage case, the position in tool box, the subtended angle size of the emergent ray of radiation source device, radiation source device Select with the distance between the distance between detector assembly, tire and radiation source device etc..For example, in order to tested car Tire carry out complete imaging, can arrange the height of the imaging region of the first detector cells can meet tested vehicle The requirement of tire full-size complete imaging.

In further embodiments, the inspection height that rises of the first detector cells 121 is 0-0.65 rice.Rising here examines high Degree refers to the terrain clearance of the imaging region of the first detector cells 121.

For example, the first ray unit 111 is fair with the road surface 131 for checking passage 130, and radiation source device 110 exposes ground Face maximum height is less than 80mm, and the first detector cells 121 are close to check that the road surface 131 of passage 130 is installed, can be to tested car Tire ground above section " 0 " distance start check, by the scanning of the tire to tested vehicle, check whether by wheel Prohibited items are smuggled or carried to tire.

Above-described embodiment illustrates that the inspection height that rises of the first detector cells 121 is 0 by taking the tire of tested vehicle as an example, but It can be to adjust with the different of the privileged site to be checked that this plays inspection height, such as due to spies such as luggage case, tool boxes The terrain clearance for determining position is not 0, then can arrange corresponding rising according to the terrain clearance in luggage case, tool box etc. and examine height.

In certain embodiments, detector assembly 120 can adopt sheet metal structural, disclosure satisfy that it is outdoor use throughout the year, ventilation, Insulation, rain-proof etc. are required.

In the exemplary embodiment, the first detector cells 121 are arranged at the first side for checking passage 130.For example, Fig. 1 Shown in, the first detector cells 121 are arranged at the right side for checking passage 130 relative to tested vehicle driver.But the disclosure It is not limited, the first detector cells 121 can also be arranged at left side, as long as it can be received through tested vehicle side Tire beam.

In the exemplary embodiment, the first ray unit 111 includes radiographic source, shield and collimater.It is wherein described Shield and the collimater are used to shield the ray outside the first predetermined subtended angle α of the radiographic source transmitting, while constraining institute State the width of ray.In certain embodiments, the width of the ray after constraint can be 3-5 millimeters.In other enforcements In example, the width of the ray after constraint can also be 5 millimeters -18 millimeters.Can select corresponding according to the demand of system Collimater obtains the ray of correspondence width.

For example, the first ray unit 111 can adopt the radiographic source of circumferential divergent-ray.The shield can will be described The ray in addition to the first beam S1 along the described first predetermined subtended angle α outgoing of radiographic source transmitting is all masked, from And amount of radiation of the radiation source to driver and crew can be reduced.In certain embodiments, the radiographic source can be put using isotope Penetrate source.

In the exemplary embodiment, the first ray unit 111 can also adopt one first X-ray production apparatus.X-ray production apparatus is general The hundreds of KeV of ceiling capacity, the penetration capacity that disclosure satisfy that tire is required.In certain embodiments, the first ray unit 111 also may be used With using X-ray accelerator.

In the exemplary embodiment, the first ray unit 111 is point-like x-ray source, and it is in the first predetermined subtended angle α scopes The X-ray of radiolitic.

In the exemplary embodiment, the radiation energy ranges of the ray unit are 60-180KeV.

It should be noted that belonging to this public affairs using the radiation source of the tire radiant image for arbitrarily enabling to tested vehicle The protection domain opened, its specific emittance can be comprehensive according to factors such as the vehicle of tested vehicle, the material of tire and thickness Close and consider to select.For example, when tested vehicle is general passenger car, radiation source that can be with selective radiation energy as 80KeV；Work as quilt When inspection vehicle is container car, radiation source that can be with selective radiation energy as 160KeV.

In the exemplary embodiment, the pre-set velocity of tested vehicle 140 can be 5km/h-20km/h.But the disclosure It is not limited.A warning banner can be set where tested vehicle is into before sense channel, drive for reminding Member's pre-decelerating is to the velocity interval.

In the exemplary embodiment, the first beam S1 of the first predetermined subtended angle α is perpendicular to the road surface for checking passage 130 131 so that the first beam S1 vertical incidence is to first detector cells 121.Certainly, the disclosure is not limited. In some embodiments, the radiating surface of the first beam S1 of the outgoing of radiation source device 110 can be with the road surface for checking passage 130 There is certain angle between 131.In other embodiments, the first beam S1 of the outgoing of radiation source device 110 can also put down Go in the road surface 131 for checking passage 130, as long as it ensure that the complete radiant image of the tire to tested vehicle.

In the exemplary embodiment, the device 100 can also include：First sensory package (not shown), this first Sensory package can be arranged on first side (such as entrance side of the inspection passage 130) of radiation source device 110, first sensing Component can be used for detecting whether tested vehicle 140 sails inspection passage 130 into, when first sensory package detects tested vehicle 149 when sailing inspection passage 130 into, and its first transducing signal of output is sent to device 100 for notifying that device 100 has vehicle to enter Inspection passage 130.

In the exemplary embodiment, first sensory package includes being embedded in the ground sense line for checking the porch of passage 130 Circle.

For example, track lock, traffic lights etc. can be set checking at feeder connection, driver can pass through opening for banister Open and judge whether that the inspection passage can be entered with the instruction of traffic lights.When the first tire 141 of the tested vehicle 140 is pressed onto institute After stating ground induction coil, the railing of banister is lifted, and traffic lights become green, and tested vehicle starts to sail the inspection passage into.

In certain embodiments, the device 100 can also include license plate recognition device, when the tested vehicle enters the inspection When passage, license plate recognition device records license board information simultaneously.

In the exemplary embodiment, also include：Second sensory package, is arranged at first sensory package and radiation source dress Put between 110, it is used for the second transducing signal of output and represents that the first tire 141 of tested vehicle 140 enters radiation source device 110 Radiation areas, and control the outgoing of radiation source device 110 with the first dosage ray.

In the exemplary embodiment, second sensory package includes the first optoelectronic switch group, first optoelectronic switch Group is arranged at the both sides for checking passage 130 and/or the road surface 131 for checking passage 130.

For example, when the front tyre (first tire 141) of tested vehicle 140 is pressed onto the ground induction coil, simultaneously because should Tested vehicle 140 is sailed the inspection passage 130 into and blocks the first optoelectronic switch group, and radiation source device 110 starts to start and beam. The first optoelectronic switch group is using light curtain or intersects photosignal and confirms that vehicle is reached by the ground sense signal of ground induction coil, Start radiation scanning.

In the exemplary embodiment, also include：3rd sensory package, is arranged at the second side of radiation source device 110 (for example Check the outlet side of passage 130), it is used for the 3rd transducing signal of output and represents that the first tire 141 of tested vehicle 140 sails out of spoke The radiation areas of source device 110 are penetrated, and controls ray of the outgoing of radiation source device 110 with the second dosage.

Wherein described second dosage is less than first dosage.First dosage at least disclosure satisfy that beam passes through quilt The requirement of the tire radiant image of inspection vehicle, and when the tire of tested vehicle rolls the radiation areas of radiation source device away from, can be with The exit dose of radiation source is reduced, to reduce the amount of radiation to driver and crew.In certain embodiments, second dosage can be with For 0, i.e., when the 3rd sensory package detects current scanned tire sails out of radiation areas, radiation source device can be controlled 110 close, and stop beam.For example, after the front tyre of tested vehicle 140 is by the second optoelectronic switch group, radiation source Device 110 stops beam.

In the exemplary embodiment, the 3rd sensory package includes the second optoelectronic switch group, second optoelectronic switch Group is arranged at the both sides for checking passage 130 and/or the road surface 131 for checking passage 130.

In certain embodiments, check that the both sides of passage 130 (left and right sides) has respectively and column, first photoelectricity are installed Group of opening the light and/or the second optoelectronic switch group can be arranged on the column.In further embodiments, described first Photoswitc group and/or the second optoelectronic switch group may be mounted at the road surface of the tested passage 130 of the process of tested vehicle 140 On.In further embodiments, the terrain clearance that the first optoelectronic switch group and the second optoelectronic switch group are arranged is about For the terrain clearance on the chassis of the tested vehicle 140, so, when the signal of optoelectronic switch group transmitting is blocked, it can be determined that It is the tire rather than vehicle body of tested vehicle to go out, and can be judged out during the close radiation source device of tire of tested vehicle.

In certain embodiments, the distance between radiation source device 110 and first sensory package are equal to or bigger In the radius of the tire of tested vehicle 140.In further embodiments, second sensory package is closer to radiation source device 110, and depart slightly from first sensory package.In certain embodiments, radiation source device 110 and the 3rd sensory package The distance between be equal to or slightly greater than tested vehicle 140 tire diameter.

In the exemplary embodiment, when first sensory package and/or second sensory package detect tested car (one of rear tyre of such as tested vehicle, first tire and the third round position of foetus are in tested vehicle for 140 third round tire The same side, such as right side) when, the control radiation source device 110 of device 100 reopens ray or from second dosage conversion For first dosage, the radiant image of the third round tire is carried out.When the 3rd sensory package detects the third round tire When sailing out of the radiation areas of radiation source device 110, system controls radiation source device 110 and is converted to described the from first dosage Two dosage, stop outgoing or reduce exit dose.

For example, when the rear tyre of tested vehicle 140 is entered and blocks the first optoelectronic switch group, while the rear tyre feels line with being pressed onto During circle, radiation source device 110 starts to start and beam.The rear tyre of tested vehicle 140 passes through after the second optoelectronic switch group, radiation source Device 110 stops beam.After last tire is detected in the past, ray is closed, detection terminates.System control banister falls, Limit next car and enter inspection passage.The vehicle image time is judged to operator, operator is pressed after acknowledgement key, under system is entered The state to be checked of one car.

It is above-mentioned to illustrate by taking tested vehicle 140 former and later two tires as an example, but under actual conditions, can be according to tested car Tire number of cycles in front and back perform above-mentioned detection, radiate, stop beam/reduction dose of radiation, detect again, re-radiation, again Stop the process of beam/reduction dose of radiation, till the tire of tested vehicle at least side is all checked and finished.For example, The side of some tested vehicles may have before, during and after tire, now as procedure described above perform three radiation imaging procedures be Can.The disclosure is not construed as limiting to the tire quantity of tested vehicle.

It should be noted that, although the wheel of tested vehicle is detected in above-described embodiment with ground induction coil and optoelectronic switch group Tire sails or sails out of radiation areas into, but the disclosure is not limited, for example, can also pass through infrared transmitting device, visible ray The device that emitter, electromagnetic signal emitting device or ultrasonic transmission device etc. arbitrarily can be detected is substituting or use It is arbitrarily combined.

In the exemplary embodiment, the device 100 also includes：Velocity sensor, for measuring the tested vehicle in institute State the translational speed checked in passage.

In certain embodiments, the velocity sensor includes being arranged on the velocity radar for checking the both sides of passage 130.

In further embodiments, movement of the system according to the relevant tested vehicle 140 received from the velocity sensor Speed controlling the reconstruction of the radiation image of the tire to tested vehicle 140, and according to the translational speed correcting radiation diagram As data.

In the exemplary embodiment, the device 100 also includes：First time-delay mechanism, first time-delay mechanism with it is described Velocity sensor connects, for arranging one first time delay T1 according to the size of the translational speed and the first tire. Wherein, when the first tire 141 that second sensory package detects tested vehicle 140 is entered described in radiation source device 110 Radiation areas, through the first delay time T1, export the ray that one first control signal controls the outgoing of radiation source device 110 Dosage be converted to the second dosage from first dosage.

For example, device 100 by detection into the inspection passage 130 current tested vehicle 140 real-time speed and The factors such as the size of scanned tire of the current tested vehicle 140 calculate the current tested vehicle 140 by radiation source The time used of the radiation areas of device 110, arrange used by first time delay T1 calculated more than or equal to this Time, timing is started into the radiation areas from the scanned tire is detected, judge whether to reach T1, when T1 is reached Between when, device 100 judges the scanned tire completely by the radiation areas, now, the control radiation source of device 100 Amount of radiation is to the second dosage or stops beam for the reduction of device 110, to reduce the scanning to useless object, reduces driver and crew's Additional radiation dosage.

In the exemplary embodiment, also include：Second time-delay mechanism, is connected with the velocity sensor, for according to institute The Part III that translational speed and first tire 141 are stated with tested vehicle 140 is (such as with the trailing wheel of the first tire homonymy Tire, hereinafter referred to as third round tire) between wheelbase arrange one second time delay.Wherein, penetrating when the outgoing of radiation source device 110 The dosage of line is converted to second dosage from first dosage, and through second time delay, output one second is controlled The dosage of the ray of the signal control outgoing of radiation source device 110 is converted to first dosage from second dosage.

Wheelbase wherein between first tire 141 and the third round tire be such as former and later two tires center origin it Between air line distance.The first round is calculated according to the wheelbase between the real-time speed and former and later two tires of tested vehicle 140 Tire 141 sails out of radiation source device 110, the third round tire and sails into the time used of radiation source device 110, arranges described second and prolongs Late equal to or less than the time used that this is calculated, the control radiation source device 110 of device 100 reopens ray to time T2, Carry out the radiant image of the i.e. described third round tire of latter tire.

The utility model embodiment is checked that what such driving cabin received penetrates for driving cabin using the ray of low dosage Line dosage is very low, therefore driver is without getting off, and the ray as tire partly using high dose is checked, obtains Obtain the picture rich in detail of target part.

It should be noted that, although in above-described embodiment after first tire is checked out and start to check third round tire it Before can reduce the roentgen dose X of outgoing and be even switched off radiation source device, but in further embodiments, from detecting tested car First tire start until all tire of the same side (such as right side) of the tested vehicle is detected before finishing, radiation The roentgen dose X of source device does not change, i.e., the privileged site between two tires of tested vehicle the same side is radiated into Picture, so can simultaneously detect in the privileged sites such as tire, tool box, luggage case whether carry prohibited items.

In the exemplary embodiment, the device 100 also includes：Data acquisition and imaging device, with the detector assembly Connection, the first ray intensity data for receiving the output of the first ray unit 111 generates the first radiation diagram of first tire 141 Picture.

In the exemplary embodiment, the device 100 also includes：Image capturing device, it is described for the collection of information of vehicles Image capturing device can be installed on the top for checking passage, capture the vehicle body image of tested vehicle 140, can be used for vehicle board According to identification etc..

In the exemplary embodiment, the device 100 also includes：Display device, connects with the data acquisition and imaging device Connect, for showing first radiation image of tested vehicle 140.

In certain embodiments, the device 100 also includes：Storage device, for by the spoke of the tire of same tested vehicle Image information and the interrelated storage of license board information are penetrated, it is convenient to search comparison work in the future.

In certain embodiments, the display device can simultaneously show the radiation image and tested vehicle of tested vehicle Other information (such as license plate number), and simultaneously radiation image and information of vehicles are transmitted and are preserved using corresponding technology.

In the exemplary embodiment, also include：Judgment means, for judging first tire according to first radiation image Whether prohibited items are carried secretly in 141.In certain embodiments, when the judgment means judge described the first of the tested vehicle When being entrained with prohibited items in tire, red alarm lamp can also be aided in while starting warning function.

Radiation source device sends the tire that beam penetrates tested vehicle, is received by the detector assembly of opposite side.Due to Different article density are different, therefore different to the degree of absorption of ray, then the signal strength of detector assembly output is also different, will Jing after data acquisition and imaging device process, the radiation image of the tire of tested vehicle is just displayed in real time strong and weak different signal On computer screen.Different articles has different shapes, density, therefore tire and machinery, electronics etc. set on radiation image It is standby to have significantly difference in radiation image, by check radiation image can quickly recognize whether carry secretly in vehicle tyre it is violated Article.

In certain embodiments, it is empty in general vehicle tire, other things is not had under normal circumstances, when judges When having the profile of other articles in the radiation image of tire, early warning information typically just can be directly sent, it is believed that the tested vehicle Tire in have entrainment prohibited items.

In further embodiments, because the information such as composition material, structure, size of vehicle tyre is all relatively to fix , it is known, the corresponding ray intensity data scope of conventional tire can be prestored in the memory cell of device, work as device During the ray intensity data of the tire for receiving tested vehicle, the ray intensity data to detecting is analyzed, if detection number According to the data area mismatch with storage in the memory cell, i.e., the data that detection data is not stored in the memory cell In the range of, then there is exception in prompting, judges that prohibited items may be entrained with the tire of the tested vehicle.

In the exemplary embodiment, also include：Control device, is connected with radiation source device 110 and detector assembly 120, For controlling the startup and closing of radiation source device 110 and detector assembly 120.In certain embodiments, the control device It can be Programmable Logic Controller.Radiation source device 110, detector assembly 120, sensory package etc. are by wired or wireless side Formula is connected with the Programmable Logic Controller.

In certain embodiments, the control device is small-sized cabinet, installed in the side of detector assembly 120, band with Too network interface.

In certain embodiments, each module such as radiation source device 110, detector assembly 120, described control device is independently sealed Close, the connection between module is plug-in type, it is not necessary to wiring, it is only necessary to change corresponding radiation source device according to vehicle, you can It is switched to general passenger vehicle tyre imaging device or container vehicle tire imaging device.Image capturing device etc. is installed as far as possible On the detector assembly and the control device, the interface with scene is reduced.

In certain embodiments, the device 100 can also include power supply auxiliary, convenient for independently-powered to each module Repair and maintenance.

In certain embodiments, the device 100 can also include data analysis set-up, and all data of tested vehicle are entered Row data analysis and data mining.

In certain embodiments, the device 100 can also provide data-interface, can be integrated into client's existing business management system In system.

The imaging device checked for vehicle safety that the utility model embodiment is provided, using ray radiant image skill Art, is absorbed in the scanography to vehicle tyre, and with strong points, with clearly defined objective, False Rate is low；Vehicle tyre can quickly be examined Look into, the device adopts automatically scanning mode of operation, directly vehicle can be crossed into inspection passage without human users driver, Need not stop.On the other hand, check that speed is fast, tested vehicle can be driven through with the speed of 5km/h-20km/h, several seconds Inside complete detection；Device can round-the-clock running in 24 hours.This apparatus moduleization structure design, floor space is little.Another further aspect, root According to customer demand and field condition, customization solution can be provided；Scanning system is with clearly defined objective, and operation is simple and reliable, can Safety inspection is carried out for passenger car and container vehicle tire location with emphasis.

Fig. 2 illustrates the knot for being used for the imaging device that vehicle safety is checked according to the another kind of the example embodiment of the disclosure one Structure schematic diagram.

As shown in Fig. 2 the imaging device 200 for vehicle safety inspection includes：Radiation source device 210 and detector are filled Put 220.

In the exemplary embodiment, wherein radiation source device 210 includes the first ray unit 211 and the second ray unit 212, the first ray unit 211 is along first predetermined subtended angle α outgoing the first beam S1, so that the first beam S1 is passed through with default The first tire 241 that speed passes through the tested vehicle 240 of inspection passage 230；Second ray unit 212 is along the second predetermined subtended angle β Outgoing the second beam S2, so that Part II (for example, second tire 242) of the second beam S2 through the tested vehicle.

Between diameter, the ray unit 211 of first tire 241 and first of the wherein first predetermined subtended angle α and first tire 241 Distance dependent, it will meet or approximately meet first beam S1 can pass completely through the vertical of the first tire 241 Cross section.Similarly, the diameter of the second predetermined subtended angle β and the second tire 242, the second tire 242 and the second ray unit 212 it Between distance dependent, its to meet or approximately meet second beam S2 can pass completely through second tire 242 hang down Straight cross section.

In the exemplary embodiment, the first ray unit 211 and the second ray unit 212 adopt X-ray production apparatus.Can be with root According to the X-ray production apparatus of the Truck type choice respective model of tested vehicle.For example, when tested vehicle is general passenger car, VJ- can be adopted IXS0808(80KV、80W)；When tested vehicle is container car, can be with VJ-IXS1820 (160KV, 200W).In some enforcements In example, two X-ray production apparatus are adopted and arranged in back-to-back fashion.

In the exemplary embodiment, the first ray unit 211 includes radiographic source and shield, and the shield is used to shield Ray outside first beam S1 and the second beam S2 goes out beam.The radiographic source can be placed in the shielding as radioactive source In vivo, the shielding can be provided with vitro ray collimator.The shield can adopt stereotype material.

Wherein, in the embodiment shown in Figure 2, the direction phase of the direction of the first predetermined subtended angle α subtended angle β predetermined with second Instead.For example, the first predetermined subtended angle α towards tested vehicle 240 right side, a left sides of the second predetermined subtended angle β towards tested vehicle 240 Side.Certainly, the disclosure is not limited.

In the exemplary embodiment, radiation source device 210 be at least partially disposed at check passage 230 road surface 231 it It is upper to cause the target center of radiation source to expose road surface, and radiation source device 210 is located at the road surface central authorities of the inspection passage 230.

In certain embodiments, the angle of the first predetermined subtended angle is equal to the angle of the second predetermined subtended angle, i.e. α=β.Certainly, The disclosure is not limited.

Wherein detector assembly 220 include the first detector cells 221 for being correspondingly arranged with the first ray unit 211 with And the second detector cells 222 being correspondingly arranged with the second ray unit 212, the first detector cells 221 be used to receiving through First beam S1 of first tire 241, the second detector cells 222 are used to receive the second ray through the second tire 242 Beam S2.

In the exemplary embodiment, the first detector cells 221 are arranged at and check that the first side of passage 230 is (such as right Side), the second detector cells 222 are arranged at the second side 233 (such as left side) for checking passage 230.In fig. 2, the first detection The detector cells 222 of device unit 221 and second are oppositely arranged.But the disclosure is not limited, as long as it can be respectively received Through the beam of the tire of the tested vehicle left and right sides.

In the exemplary embodiment, the first detector cells 221 and the second detector cells 222 have predetermined altitude, its Described in predetermined altitude according to the second predetermined subtended angle β of the first predetermined subtended angle α and the second beam S2 of the first beam S1 with And the size of the tire 242 of first tire 241 and second determines, to ensure that the tire of left and right two of tested vehicle 240 uses quilt It is radiated completely.

For example, for general passenger car, the distance between the inner surface of the tire 242 of first tire 241 and second is The distance between 1271.39mm, outer surface of the tire 242 of first tire 241 and second are 1865.74mm, tested vehicle 240 The diameter of the tire 242 of first tire 241 and second is 659.72mm, and the distance of the left and right sides of tested passage 230 is 3211.97mm, and the relative radiation source device 210 of 241 and second tire of first tire 242 it is symmetrical when, it is first pre- that this can be set Determine subtended angle α and the second predetermined subtended angle β and be 40 degree, and rising for the first detector cells 221 and the second detector cells 222 is set Inspection region height is about 1205.20mm.Certainly, based on being ideally given, practical application place may for above-mentioned data Can error.And above-mentioned data are given according to the specification of general passenger car, can select accordingly for the car of different size Data area.

In the exemplary embodiment, the first detector cells 221 and the second detector cells 222 are linear array detector.Its Dimension X-ray intensity distribution is detected by means of the light receiving element arranged on the length direction of two line array sensors.

In the exemplary embodiment, the first detector cells 221 and the second detector cells 222 are multiple, are respectively arranged At differing heights, for detecting the upper, middle and lower of the tire of tested vehicle 240.

In the exemplary embodiment, the first detector cells 221 and the second detector cells 222 using single, double or Multiple rows of scintillator structure.Wherein described scintillator can be cadmium tungstate twinkling crystal, cesium iodide,crystal scintillation crystal or bismuth germanium oxide At least one in scintillation crystal.In certain embodiments, the first detector cells 221 and the second detector cells 222 are also wrapped Include the photomultiplier coupled with the scintillator.Certainly, other kinds of detector is also within the protection domain of the disclosure.

In the exemplary embodiment, second ray of the first beam S1 of the first predetermined subtended angle α and the second predetermined subtended angle β The radiating surface of beam S2 is each perpendicular to check the road surface 231 of passage 230.

In the exemplary embodiment, when the first sensory package and the second sensory package detect the front axle of tested vehicle 240 When left tire, right wheel tire (i.e. the tire 242 of first tire 241 and second) close radiation source device 210, control device sends control Signal control radiation source device 210 outgoing has the ray of the first dosage, the first detector cells 221 and the second detector cells 222 the first beam S1 and the second beam S2 for receiving both sides respectively, penetrate according to the first beam S1 and second for receiving Wire harness S2 generates respectively the second radiation image of the first radiation image of front axle left tire and front axle right wheel tire；When the 3rd sensing group Part detect the front axle left tire of tested vehicle 240, right wheel tire completely pass through radiation source device 210 when, control device send out Go out control signal control radiation source device 210 outgoing to there is the ray of the second dosage or stop beam.Similar, when the first biography Sense component and the second sensory package detect the rear axle left tire of tested vehicle 240, right wheel tire (i.e. third round tire and fourth round Tire) close radiation source device 210 when, control device sends again control signal control radiation source device 210 outgoing and has first The ray of dosage, the first detector cells 221 and the second detector cells 222 receive respectively the first beam S1 of both sides and Two beam S2, according to the first beam S1 and the second beam S2 that receive the 3rd radiation of rear axle left tire is generated respectively 4th radiation image of image and rear axle right wheel tire；When the 3rd sensory package detects rear axle left tire, the right side of tested vehicle 240 When tire passes through radiation source device 210 completely, control device sends the control signal control outgoing of radiation source device 210 to be had The ray of the second dosage stops beam.Until the tested vehicle 240 all tire be detected finish till.

In other embodiments, it would however also be possible to employ the first time-delay mechanism being similar in above-mentioned embodiment and the second time delay dress Put to control the keying of radiation source device 210 and detector assembly 220, and tested vehicle front axle and rear axle tire point are caused with this When radiant image.Particular content refers to above-described embodiment, will not be described here.

It should be noted that " first ", " second ", " the 3rd ", " 4th " in the embodiment of the present disclosure etc. is not used to limit Fixed number amount potentially includes two wheels without only including a tire in restriction order, such as first tire 241 Tire is even more than tire；First tire 241 can be any tire in tested vehicle 240.

The beam of sector first from tested vehicle bottom to two sides and the second beam that radiation source device sends from, penetrate It is respectively installed in after the first tire of two sides/third round tire and the second tire/fourth round tire and checks the first of passage both sides Detector cells and the second detector cells are received.Due to article different parts density difference, therefore to the degree of absorption of ray Difference, then the signal strength of detector cells output is also different, by strong and weak different signal Jing after image procossing, is just calculating The profile and form of inside tires article are shown on machine screen, so as to whether press from both sides in each tire that can determine whether out tested vehicle Band prohibited items.

The imaging device checked for vehicle safety that the utility model embodiment is provided, by the left side for checking passage Right both sides are symmetrical arranged two detector cells, and every side only carries out radiant image to the tire on one side, enables to left and right two The radiation image of tire is not overlapped.On the other hand, by the way that radiation source device to be arranged at the road surface centre position for checking passage, The tire of left and right two and radiation source device near symmetrical so that the radiation image magnification ratio of the tire of left and right two is close to or phase Together.Meanwhile, radiation source device is opened when two tires in left and right sail radiation areas into, when the tire of left and right two sails out of radiation areas Stop beam or reduce exit dose, can cause only to be imaged tire region and be not imaged other parts so that The exposure dosage that driver and crew receive is minimized, it is ensured that the security of system.

Other guide in the utility model embodiment refers to the content in above-mentioned Fig. 1 embodiments, will not be described here.

Fig. 3 schematically shows and is filled according to another imaging for being used for vehicle safety inspection of the example embodiment of the disclosure one The structural representation put.

As shown in figure 3, the imaging device 300 for vehicle safety inspection includes：Radiation source device and detector assembly.

Wherein radiation source device includes the first ray unit 311 and the second ray unit 312, the first ray unit 311 Along the first predetermined beam of subtended angle outgoing first, so that the first beam can pass through the quilt with pre-set velocity by inspection passage The first tire of inspection vehicle；Second ray unit 312 along the second predetermined beam of subtended angle outgoing second so that second ray Second tire of the beam through tested vehicle.

Wherein detector assembly include the first detector cells 321 being correspondingly arranged with the first ray unit 311 and with The second detector cells 322 that second ray unit 312 is correspondingly arranged, the first detector cells 321 are used to receiving through described First beam of first tire, the second detector cells 322 are used to receive through described the second of second tire Beam.

Wherein radiation source device is at least partially disposed on the road surface of the inspection passage, the first detector cells 321 the first sides for being arranged at the inspection passage, the second detector cells 322 are arranged at the second side of the inspection passage.Its It is with the difference of above-mentioned Fig. 2 illustrated embodiments, first ray unit and the back-to-back mode of the second ray unit of Fig. 2 Setting is close to, the first detector cells and the second detector cells are oppositely arranged, and in the embodiment of fig. 3, first penetrates Line unit and the second ray unit separate a predeterminable range L and arrange along the length direction for checking passage, accordingly, the first detection Device unit and the second detector cells separate the predeterminable range L and arrange also along the length direction of the inspection passage.

Accordingly, the first side of the first ray unit 311 is provided with its corresponding first sensory package and the second sensing group Part, the first tire or third round tire (such as former and later two tires on right side) that tested vehicle is represented for exporting transducing signal is entered Enter the inspection passage, device 300 controls the first ray unit 311 and the first detector cells 321 open first tire or the The radiant image work of three tires；Second side of the first ray unit 311 is provided with its corresponding 3rd sensory package, for defeated Go out transducing signal and represent that the first tire or third round tire of tested vehicle sail out of the inspection passage, the control of device 300 first is penetrated 311 and first detector cells of line unit 321 stop the radiant image work of first tire or third round tire.Similar, second Second side of ray unit 312 is provided with its corresponding first sensory package and the second sensory package, for exporting transducing signal The second tire or fourth round tire (such as former and later two tires in left side) for representing tested vehicle enters the inspection passage, device Control the second ray unit 312 and the second detector cells 322 open the radiant image work of the second tire or fourth round tire；The Second side of two ray units 312 is provided with its corresponding 3rd sensory package, and for exporting transducing signal tested vehicle is represented The second tire or fourth round tire sail out of the inspection passage, device controls the second ray unit 312 and the second detector cells The 322 radiant image work for stopping the second tire or fourth round tire.

In the exemplary embodiment, the first ray unit 311 and the second ray unit 312 may be contained within the road of tested passage Face centre position.But the disclosure is not limited, it is also possible to be arranged on the road surface of tested passage near certain side.

The imaging device checked for vehicle safety that the utility model embodiment is provided, is set by separated by a distance The first ray unit and the second ray unit are put, for example, first scans the right side front wheel tire radiant image of tested vehicle, cross a timing Between after, then after the second ray unit scan tested vehicle left side front tyre radiant image, so can further reduce Amount of radiation to driver and crew.

Other guide in the utility model embodiment refers to above-described embodiment, will not be described here.

It should be understood that the structure that Fig. 1-3 schematically shows only is the imaging dress checked for vehicle safety according to the disclosure The example put, the disclosure is not limited to this.For example, it is also possible in the same side (such as right side or left side) for checking passage while The detector cells for arranging two (or more than) and its two ray units being correspondingly arranged, can be used for respectively to tested car Before and after two tires simultaneously radiant image etc..

Fig. 4 schematically shows the stream of the imaging method checked for vehicle safety according to the example embodiment of the disclosure one Cheng Tu.

As shown in figure 4, in step s 12, to pass through with pre-set velocity along the first beam of the first predetermined subtended angle outgoing By the Part I for checking the tested vehicle of passage.

For example, the Part I can be the first tire of the tested vehicle, and the first tire can be tested car Arbitrary front tyre or rear tyre in right side either left side.

In step S14, receive first beam and export the first ray intensity data.

In step s 16, the first radiation image of the Part I is generated according to first ray intensity data.

In step S18, judge whether carry prohibited items secretly in the Part I according to first radiation image.

In the exemplary embodiment, also include：When detecting the Part I of the tested vehicle by the inspection During the radiation areas looked in passage, through a predetermined time delay, with of tested vehicle described in the first ray beam scanning Three parts simultaneously check in the Part III whether carry prohibited items secretly.

For example, the Part III can be the third round tire of the tested vehicle, and the third round tire can be described the The rear tyre of one tire homonymy.

Other guide in the utility model embodiment refers to above-described embodiment, will not be described here.

Fig. 5 schematically shows the stream of the imaging method checked for vehicle safety according to the example embodiment of the disclosure one Cheng Tu.

As shown in figure 5, in step S22, respectively simultaneously with along the first beam of the first predetermined subtended angle outgoing and along the Second beam of two predetermined subtended angle outgoing through with pre-set velocity by checking the Part I and the of the tested vehicle of passage Two parts.

For example, the Part I and the Part II can be respectively the first tire and second of the tested vehicle Tire, the first tire and second tire can be the front axle of tested vehicle or so two tires.

In step s 24, first beam and second beam are received respectively and export the first ray respectively Intensity data and the second ray intensity data.

In step S26, respectively institute is generated according to first ray intensity data and second ray intensity data State the first radiation image of Part I and the second radiation image of the Part II.

In step S28, described first is judged according to first radiation image and second radiation image respectively Divide and whether carry prohibited items secretly with the Part II.

In step S210, respectively simultaneously with first beam and second beam through the tested vehicle Part III and Part IV.

For example, the Part III and the Part IV can be respectively the third round tire and of the tested vehicle Four tires, the third round tire and the fourth round tire can be the rear axle of tested vehicle or so two tires.

In step S212, first beam and second beam are received respectively and trilete rays is exported respectively Intensity data and the 4th ray intensity data.

In step S214, respectively institute is generated according to the trilete rays intensity data and the 4th ray intensity data State the 3rd radiation image of Part III and the 4th radiation image of the Part IV.

In step S216, described 3rd is judged according to the 3rd radiation image and the 4th radiation image respectively Divide and whether carry prohibited items secretly with the Part IV.

Wherein above-mentioned steps S28 and step S216 can merge into a step, that is, wait until to get a tested vehicle Go again to judge whether carry prohibited items secretly in various pieces after the radiation image of whole tires.

Other guide in the utility model embodiment refers to above-described embodiment, will not be described here.

Fig. 6 schematically shows the stream of the imaging method checked for vehicle safety according to the example embodiment of the disclosure one Cheng Tu.

As shown in fig. 6, in step s 32, to pass through with pre-set velocity along the first beam of the first predetermined subtended angle outgoing By the first tire for checking the tested vehicle of passage.

In step S34, receive first beam and export the first ray intensity data.

In step S36, the first radiation image of the first tire is generated according to first ray intensity data.

In step S38, judge whether carry prohibited items secretly in the first tire according to first radiation image.

In step S310, to take turns through the second of the tested vehicle along the second beam of the second predetermined subtended angle outgoing Tire.

Wherein, the direction of the described second predetermined subtended angle is different from the direction of the described first predetermined subtended angle.

In step S312, receive second beam and export the second ray intensity data.

In step S314, the second radiation image of second tire is generated according to second ray intensity data.

In step S316, judge whether carry prohibited items secretly in second tire according to second radiation image.

Detailed description by more than, those skilled in the art is it can be readily appreciated that according to the dress of the utility model embodiment Put and have one or more of the following advantages.

Using the imaging device checked for vehicle safety of the disclosure, traveling can quickly be checked by radiant image In vehicle tire in whether carry prohibited items secretly.Different vehicles can be directed to different radiation source modules, emphasis pin are set Safety inspection is carried out to passenger car and container vehicle tire.

More than it is particularly shown and described the exemplary embodiment of the disclosure.It should be understood that the disclosure is not limited to institute's public affairs The embodiment opened, conversely, the disclosure is intended to cover comprising various modifications in the spirit and scope of the appended claims and waits Effect arrangement.

Claims (16)

1. it is a kind of for vehicle safety check imaging device, it is characterised in that include：

Radiation source device, including the first ray unit, first ray unit along the first predetermined beam of subtended angle outgoing first, So that first beam is through the Part I for passing through the tested vehicle of inspection passage with pre-set velocity；

Detector assembly, including the first detector cells being correspondingly arranged with first ray unit, first detector Unit is used to receive first beam；

Wherein, the radiation source device is at least partially disposed on the road surface of the inspection passage, first detector Unit is arranged at the first side of the inspection passage.

2. it is as claimed in claim 1 to be used for the imaging device that vehicle safety is checked, it is characterised in that the radiation source device is also Including：

Second ray unit, second ray unit along the second predetermined beam of subtended angle outgoing second so that described second penetrates Part II of the wire harness through the tested vehicle；

Wherein, the direction of the described second predetermined subtended angle is different from the direction of the described first predetermined subtended angle.

3. it is as claimed in claim 2 to be used for the imaging device that vehicle safety is checked, it is characterised in that the detector assembly is also Including：

The second detector cells being correspondingly arranged with second ray unit, second detector cells are used to receive described Second beam；

Wherein, second detector cells are arranged at the second side of the inspection passage.

4. it is as claimed in claim 3 to be used for the imaging device that vehicle safety is checked, it is characterised in that the first detector list First and described second detector cells have predetermined altitude；

Wherein, the predetermined altitude is according to the described first predetermined subtended angle of first beam and the institute of second beam The size for stating the second predetermined subtended angle and the Part I and the Part II determines.

5. it is as claimed in claim 1 to be used for the imaging device that vehicle safety is checked, it is characterised in that first ray unit Including：

Radiographic source；

Shield；And

Collimater；

Wherein, the shield and the collimater are used for outside the described first predetermined subtended angle for shielding the radiographic source transmitting Ray, while constraining the width of the ray.

6. it is as claimed in claim 1 to be used for the imaging device that vehicle safety is checked, it is characterised in that the radiation source device Below the embedded road surface for checking passage of a part, another part exposes the road surface of the inspection passage, wherein exposed portion Height be less than a preset value；

Wherein, the preset value is relevant to the terrain clearance on the chassis of the tested vehicle.

7. it is as claimed in claim 6 to be used for the imaging device that vehicle safety is checked, it is characterised in that the tested vehicle is the During one vehicle, the exposed portion of the radiation source device has the first height, and the radiation source device outgoing has the The ray of one energy；

When the tested vehicle is the second vehicle, the exposed portion of the radiation source device has the second height, and described Radiation source device outgoing has the ray of the second energy；

Wherein, less than the described second height, first energy is less than second energy to first height.

8. it is as claimed in claim 1 to be used for the imaging device that vehicle safety is checked, it is characterised in that also to include：

First sensory package, is arranged on the first side of the radiation source device, and it is used for the first transducing signal of output and represents described Tested vehicle enters the inspection passage.

9. it is as claimed in claim 8 to be used for the imaging device that vehicle safety is checked, it is characterised in that also to include：

Second sensory package, is arranged between first sensory package and the radiation source device, and it is used to export the second biography Sense signal represents that the Part I of the tested vehicle enters the radiation areas of the radiation source device, and controls the spoke Penetrate ray of the source device outgoing with the first dosage.

10. it is as claimed in claim 9 to be used for the imaging device that vehicle safety is checked, it is characterised in that also to include：

3rd sensory package, is arranged at the second side of the radiation source device, and it is used for the 3rd transducing signal of output and represents described The Part I of tested vehicle sails out of the radiation areas of the radiation source device, and controls the radiation source device and go out Penetrate the ray with the second dosage；

Wherein, second dosage is less than first dosage.

11. imaging devices for being used for vehicle safety inspection as claimed in claim 10, it is characterised in that also include：

Velocity sensor, for measuring translational speed of the tested vehicle in the inspection passage.

12. imaging devices for being used for vehicle safety inspection as claimed in claim 11, it is characterised in that also include：

First time-delay mechanism, is connected with the velocity sensor, for according to the chi of the translational speed and the Part I One first time delay of very little setting；

Wherein, when the Part I that second sensory package detects the tested vehicle enters the radiation source device The radiation areas, through first delay time, one first control signal of output controls the radiation source device outgoing The dosage of ray be converted to the second dosage from first dosage.

13. imaging devices for being used for vehicle safety inspection as claimed in claim 12, it is characterised in that also include：

Second time-delay mechanism, is connected with the velocity sensor, for according to the translational speed and the Part I and institute The wheelbase stated between a Part III of tested vehicle arranged for one second time delay；

Wherein, when the dosage of the ray of the radiation source device outgoing is converted to second dosage, Jing from first dosage Spend second time delay, export one second control signal control the radiation source device outgoing ray dosage from described Second dosage is converted to first dosage.

14. imaging devices for being used for vehicle safety inspection as claimed in claim 1, it is characterised in that the radiation source device The central authorities on the road surface of the inspection passage are arranged at, and the target center of first ray unit is arranged at the road of the inspection passage On face.

15. imaging devices for being used for vehicle safety inspection as claimed in claim 3, it is characterised in that described first predetermined Angle and the second predetermined subtended angle are in opposite direction, and first detector cells and second detector cells are oppositely arranged.

16. imaging devices for being used for vehicle safety inspection as claimed in claim 1, it is characterised in that also include：

Data acquisition and imaging device, are connected with the detector assembly, and receive the first ray unit output first is penetrated First radiation image of Part I described in line strength data genaration；

Judgment means, for judging whether carry prohibited items secretly in the Part I according to first radiation image.