CN203204174U - X-ray duel-energy transmission green channel vehicle detector - Google Patents
X-ray duel-energy transmission green channel vehicle detector Download PDFInfo
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- CN203204174U CN203204174U CN 201320224856 CN201320224856U CN203204174U CN 203204174 U CN203204174 U CN 203204174U CN 201320224856 CN201320224856 CN 201320224856 CN 201320224856 U CN201320224856 U CN 201320224856U CN 203204174 U CN203204174 U CN 203204174U
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Abstract
An X-ray duel-energy transmission green channel vehicle detector is a safety detection device for transportation management. The detector comprises a device shielding room, a duel-energy ray switching mechanism, a transmission ray solid array receiver, a vehicle signal trigger, a data acquisition and display system, and an X-ray source, a ray pre-collimator, a high-voltage power supply device, an X-ray tube cooling system, a ray shutter with shielding and a fan-shaped beam collimator which are arranged in the device shielding room. The duel-energy ray switching mechanism is located between the ray shutter and the fan-shaped beam collimator. The detector is characterized by carrying out transmission imaging analysis and detection on vehicles that pass a green channel by means of a high-energy ray and a low-energy ray of the X-rays. The duel-energy ray detection method provides more abundant and reliable data for analyses and improves the accuracy of detection. The detector is advantaged by accurate detection information, clear imaging, easy combination of structural components, and no pollution to the environment.
Description
Technical field
The utility model relates to a kind of X ray dual energy transmission-type green channel Vehicle analyzer that utilizes, and belongs to the Non-Destructive Testing special inspecting equipment of traffic and transportation management department.
Background technology
In recent years, along with the execution that country sets up the fresh and alive agricultural byproducts green channel of highway policy, the policy of reducing or remitting the expenses accordingly that various places government is also supporting; But some lawless persons utilize this policy, by load in mixture, false evidence, transfinite, means such as overload, evade the set-fee of country, make highway be subjected to very big economic loss.Therefore green channel vehicle detection instrument arises at the historic moment.Its ultimate principle is utilized X exactly, gamma-ray strong penetration capacity is also adjusted directions of rays by collimating apparatus, collection analysis to transmitted ray is detected have or not personation in the compartment, event such as load in mixture takes place, normally move with the safety of safeguarding green channel, different materials is to the intensity in transmission difference of X ray, the ray of single energy is not high to the testing result resolving effect of different material, and identical material is to the intensity in transmission difference of the X ray of different-energy, use the dual energy detection mode just can remedy the deficiency that single energy detects, provide the better testing result of resolving effect.
The at present domestic product that has two tame technology companys to produce this respect, one is the make the science and technology prosperous TC-SCN green channel vehicle equipment of company limited of Beijing Holley, and another is that Beijing Kai Lihui transport science and techonologies company limited utilizes the backscattering technique of X ray to detect.The both utilizes ray to detect, but all has some defectives and certain limitation.Beijing Holley equipment that company limited produces that makes the science and technology prosperous is to utilize
60Co reflectivity isotope exists potential accidental pollution problem and radiographic source to lose problem as radiographic source.And Kai Lihui transport science and techonologies company limited utilizes the backscattering technique of X ray to detect, and can only detect in the compartment near the object situation in the top layer, compartment, can't find out in the compartment object situation than the position, deep.
The utility model content
The purpose of this utility model provides a kind of X ray dual energy transmission-type green channel Vehicle analyzer, makes it guarantee on the one hand to pollute when environment does not have the accident generation, and abundanter reliable data are provided simultaneously, further improves the accuracy rate that detects.
The technical solution of the utility model is as follows:
A kind of X ray dual energy transmission-type green channel Vehicle analyzer, it is characterized in that: this comprises the device mask chamber this detector, dual energy ray switching mechanism, transmitted ray solid array receiver, the signals of vehicles trigger, data acquisition process and display system, and the ray shutter and the fan beam collimator that are arranged on the indoor x-ray source of device mask, ray precollimator, High voltage power supply equipment, X-ray tube cooling system, band shielding; Described dual energy ray switching mechanism is between the ray shutter and fan beam collimator of band shielding; Described device mask chamber is arranged on a side of tested vehicle on the highway; Signals of vehicles trigger 9 is embedded in underground; Described transmitted ray solid array receiver and data acquisition process and display system are arranged on the opposite side of the tested vehicle on the highway; Described signals of vehicles trigger is connected with ray shutter, dual energy ray switching mechanism and the transmitted ray solid array receiver of radiographic source, band shielding respectively by operation circuit; Dual energy ray switching mechanism is two kinds of beams that energy replaces of height with the fan-ray beam cutting, and the ray of two kinds of energy is transported to data acquisition process and display system after being transmitted the reception of ray solid array receiver.
In the technique scheme, described dual energy ray switching mechanism comprises servomotor, cam and copper grating, and the output shaft of described servomotor links to each other with camshaft, and copper grating is arranged on the cam.
Described transmitted ray solid array receiver proper alignment becomes " L " shape, and be fixed on high 4～4.5 meters, wide 3! 3.5 on the installation frame of rice.
The utlity model has following beneficial effect: the utility model selects for use the X ray of higher-energy as radiographic source, the ray of having realized two kinds of energy of height by dual energy ray switching mechanism detects, the detection mode of dual energy ray has improved the accuracy rate that detects for analytic process provides abundanter reliable data.Detect with respect to monoergic, improved the resolving effect that detects; With respect to using radioisotopic detection, can not cause environmental pollution when guaranteeing to have accident to take place.
Description of drawings
Fig. 1 is the structural principle synoptic diagram of the utility model embodiment.
Fig. 2 is the vertical view of Fig. 1.
Fig. 3 is the theory structure synoptic diagram of dual energy ray switching mechanism.
Among the figure: the 1-X radiographic source; 2-ray precollimator; 3-X radiographic source High voltage power supply equipment; 4-X ray tube cooling system; The ray shutter of 5-band shielding; The 6-fan beam collimator; 7-dual energy ray switching mechanism; 8-device mask chamber; The 9-vehicle passes through signal trigger; 10-transmitted ray solid array receiver; 11-data acquisition process and display system; 20-is detected vehicle; 21-dual energy fan-ray beam; 22-height transmissive ray; The copper grating of 31-; The 32-servomotor; The 33-cam; The 34-high-energy ray; The 35-low energy ray; A is tested vehicle direction of relative movement.
Embodiment
Below in conjunction with accompanying drawing theory structure of the present utility model and embodiment are described further.
The structural principle synoptic diagram of a kind of X ray dual energy transmission-type green channel Vehicle analyzer embodiment that Fig. 1 and Fig. 2 provide for the utility model, this comprises device mask chamber 8 this detector, dual energy ray switching mechanism 7, transmitted ray solid array receiver 10, signals of vehicles trigger 9, data acquisition process and display system 11, and be arranged on ray shutter 5 and the fan beam collimator 6 that x-ray source 1, ray precollimator 2, High voltage power supply equipment 3, X-ray tube cooling system 4, band in the device mask chamber 8 shield; Described dual energy ray switching mechanism 7 is between the ray shutter 5 and fan beam collimator 6 of band shielding; Device mask chamber 8 is arranged on a side of detected vehicle 20 on the highway; Signals of vehicles trigger 9 is embedded in underground; Described transmitted ray solid array receiver 10 and data acquisition process and display system 11 are arranged on the opposite side of the detected vehicle on the highway; Signals of vehicles trigger 9 is connected with ray shutter 5, dual energy ray switching mechanism 7 and the transmitted ray solid array receiver 10 of radiographic source 1, band shielding respectively by operation circuit; Dual energy ray switching mechanism is two kinds of beams that energy replaces of height with the fan-ray beam cutting, and the ray of two kinds of energy is transported to data acquisition process and display system after being transmitted 10 receptions of ray solid array receiver.
Triggering radiographic source 1 when detected vehicle 20 passes through signals of vehicles triggers 9 opens High voltage power supply equipment 3 and sends X ray, X ray forms fan-ray beam by fan beam collimator 6 again behind ray precollimator 2, signal variation by signals of vehicles trigger 9 judges that pilothouse crosses the fladellum scanning area, the ray shutter 5 of band shielding this moment is opened and is started dual energy ray switching mechanism 7 and moves, fan-ray beam forms dual energy fan-ray beam 21 through dual energy ray switching mechanism 7 backs, project on the compartment of detected vehicle 20 behind the ray shutter 5 of fan-ray beam by the band shielding, the dual energy ray that penetrates the compartment is transmitted ray solid array receiver 10 and receives, the signal that receiver produces sends into-and data acquisition process and display system 11 handle, obtain two different scanning images that the height energy measuring arrives, demonstrate testing result by the data that compare two scan images; Vehicle triggers radiographic source 1 by signals of vehicles trigger 9 backs and cuts out High voltage power supply equipment 3 end ray outputs, closes the ray shutter 5 of band shielding simultaneously and stops 7 operations of dual energy ray switching mechanism.Owing to use the ray of two kinds of energy of high low energy, can handle the signal that receives by high low energy ray switching frequency synchronously in data acquisition process and the display system 11, thereby the vehicle-mounted item scan perspective view that two width of cloth that obtain high low energy ray detection are different just can find whether to contain in the vehicle hiding violation article and his quantity and weight that can the rough estimate vehicle-mounted cargo by the data among two figure of comparative analysis.Control to radiographic source and ray shutter need add fault alarm detection and manual intervention, in order to can in time cut off radiographic source under unexpected situation, increases security.
Fig. 3 is the theory structure synoptic diagram of dual energy ray switching mechanism 7, and this mechanism comprises servomotor 32, cam 33 and copper grating 31, and the output shaft of described servomotor links to each other with camshaft, and copper grating is arranged on the cam.The switching of height energy-ray is to realize by the very high copper grating of precision; The high voltage x-ray of 450 kilovolts of sending of x-ray source through ray precollimator 2 and-fan beam collimator 6 after, through dual energy ray switching mechanism 7, the ray energy of the slit part of grating remains unchanged, the transmitted intensity that does not directly penetrate copper grating through slit is reduced to the energy of 220 kilovolts of rays, the ray of such two kinds of energy transmission at one time is transmitted 10 receptions of ray solid array receiver after detecting thing, by improving the grating precision ray of two kinds of energy alternately is transmitted on the ray solid array receiver accurately; Constantly move stop position by vertical direction at next, make a ray that sees through slit constantly penetrate copper grating, see through the ray of slit through the grating slit, the ray of two kinds of energy alternately is transmitted on the solid array receiver accurately, position before next moves to grating constantly again, replace so repeatedly, synchronous these two kinds of alternating signals are sampled and processing just can obtain the detection data of two kinds of energy-rays in data acquisition process and display system.
For to the compartment of tested vehicle from doing complete detection to roof at the bottom of the car, do not have omission angle and position, transmitted ray solid array receiver 10 proper alignment become " L " shape, and are fixed on high 4 to 4.5 meters, wide 3 to the 3.5 meters installation frame.
Claims (3)
1. X ray dual energy transmission-type green channel Vehicle analyzer, it is characterized in that: this comprises device mask chamber (8) this detector, dual energy ray switching mechanism (7), transmitted ray solid array receiver (10), signals of vehicles trigger (9), data acquisition process and display system (11), and be arranged on ray shutter (5) and the fan beam collimator (6) that x-ray source (1), ray precollimator (2), High voltage power supply equipment (3), X-ray tube cooling system (4), band in the device mask chamber (8) shield; Described dual energy ray switching mechanism (7) is positioned between the ray shutter (5) and fan beam collimator (6) of band shielding;
Described device mask chamber is arranged on a side of tested vehicle on the highway; Signals of vehicles trigger 9 is embedded in underground; Described transmitted ray solid array receiver (10) and data acquisition process and display system (11) are arranged on the opposite side of the tested vehicle on the highway; Described signals of vehicles trigger (9) is connected with ray shutter (5), dual energy ray switching mechanism (7) and the transmitted ray solid array receiver (10) of radiographic source (1), band shielding respectively by operation circuit; Dual energy ray switching mechanism is two kinds of beams that energy replaces of height with the fan-ray beam cutting, and the ray of two kinds of energy is transported to data acquisition process and display system after being transmitted ray solid array receiver (10) reception.
2. according to the described a kind of X ray dual energy transmission-type green channel Vehicle analyzer of claim 1, it is characterized in that: described dual energy ray switching mechanism (7) comprises servomotor (32), cam (33) and copper grating (31), the output shaft of described servomotor links to each other with camshaft, and copper grating is arranged on the cam.
3. a kind of X ray dual energy transmission-type green channel Vehicle analyzer as claimed in claim 1 is characterized in that: transmitted ray solid array receiver (10) proper alignment becomes " L " shape, and be fixed on high 4～4.5 meters, wide 3! 3.5 on the installation frame of rice.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320224856 CN203204174U (en) | 2013-04-27 | 2013-04-27 | X-ray duel-energy transmission green channel vehicle detector |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320224856 CN203204174U (en) | 2013-04-27 | 2013-04-27 | X-ray duel-energy transmission green channel vehicle detector |
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| CN203204174U true CN203204174U (en) | 2013-09-18 |
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| CN 201320224856 Expired - Lifetime CN203204174U (en) | 2013-04-27 | 2013-04-27 | X-ray duel-energy transmission green channel vehicle detector |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104464871A (en) * | 2014-12-30 | 2015-03-25 | 同方威视技术股份有限公司 | Ray filtering device and double-energy X-ray examination system |
| CN106908459A (en) * | 2017-04-06 | 2017-06-30 | 北京华力兴科技发展有限责任公司 | X-ray emitter installs cabin and vehicle detection apparatus |
| CN112001333A (en) * | 2020-08-27 | 2020-11-27 | 中广核贝谷科技有限公司 | Intelligent identification method based on container X-ray image |
| CN112033983A (en) * | 2020-08-13 | 2020-12-04 | 上海瑞示电子科技有限公司 | X-ray emission system and detection system |
-
2013
- 2013-04-27 CN CN 201320224856 patent/CN203204174U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104464871A (en) * | 2014-12-30 | 2015-03-25 | 同方威视技术股份有限公司 | Ray filtering device and double-energy X-ray examination system |
| CN106908459A (en) * | 2017-04-06 | 2017-06-30 | 北京华力兴科技发展有限责任公司 | X-ray emitter installs cabin and vehicle detection apparatus |
| CN106908459B (en) * | 2017-04-06 | 2024-04-05 | 北京华力兴科技发展有限责任公司 | X-ray emitter mounting cabin and vehicle detection device |
| CN112033983A (en) * | 2020-08-13 | 2020-12-04 | 上海瑞示电子科技有限公司 | X-ray emission system and detection system |
| CN112001333A (en) * | 2020-08-27 | 2020-11-27 | 中广核贝谷科技有限公司 | Intelligent identification method based on container X-ray image |
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Legal Events
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| C53 | Correction of patent of invention or patent application | ||
| CB03 | Change of inventor or designer information |
Inventor after: Xi Yikun Inventor after: ChenKe Inventor after: Chang Hong Inventor before: Xi Yikun |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20131127 Address after: 100013, room 2, 18, Henderson Center, No. 502, Jianguomen, Chang'an Avenue, Beijing, Dongcheng District Patentee after: MANDRAKE ENVIRONMENTAL TECHNOLOGIES LTD. Address before: 100013, room 2, 18, Henderson Center, No. 502, Jianguomen, Chang'an Avenue, Beijing, Dongcheng District Patentee before: MANDRAKE ENVIRONMENTAL TECHNOLOGIES LTD. Patentee before: Beam Patentee before: Chang Hong |
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| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130918 |