CN103995299A - X-ray beam control device in green channel detection system - Google Patents
X-ray beam control device in green channel detection system Download PDFInfo
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- CN103995299A CN103995299A CN201410259167.XA CN201410259167A CN103995299A CN 103995299 A CN103995299 A CN 103995299A CN 201410259167 A CN201410259167 A CN 201410259167A CN 103995299 A CN103995299 A CN 103995299A
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- precollimator
- plumbous
- ray
- detection system
- plumbous device
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Abstract
The invention discloses an X-ray beam control device in a green channel detection system. A pre-collimator only gives out fan-shaped X-ray beams for parts required by items through slits; when X-rays need to be emitted out, slits in a sliding lead device align to slits in the pre-collimator by moving fast; when no X-rays need to be emitted, the slits in the pre-collimator are blocked by the sliding lead device to achieve the shielding effect, a periphery fixed lead device is additionally arranged on the outer side of the sliding lead device, and slits in the periphery fixed lead device align to the slits in the pre-collimator so that the X-rays can only be emitted out through the slit, on the outermost side, in the fixed lead device. According to the X-ray beam control device in the green channel detection system, the ray beams are fast and accurately cut off without stopping the X-rays so that the ray beams can be emitted out according to an assigned area, and the requirement that when the ray beams are cut off, the X-ray dose is safe and does not exceed standards is met.
Description
Technical field
The invention belongs to the technical field of transmission imaging technology Non-Destructive Testing in traffic and transportation management system, particularly relate to the control device of X-ray beam in a kind of green channel detection system.
Background technology
In recent years, along with the execution that country sets up the fresh and alive agricultural byproducts green channel of highway policy, green channel checkout equipment also emerges in an endless stream.A kind of X ray transmission-type green channel Vehicle analyzer that utilizes is little with radiation dose, and penetration power is strong, and life cycle is long, even if there is accident, can not obtain the approval of traffic department and environment department to surrounding environment and the operating personnel advantage such as exert an influence.It is to utilize transmission of radiation image-forming principle, and the fan-ray beam that X-ray machine sends penetrates closure compartment and inner goods, by the fixed linear array detector of opposite side, is received.Because article different densities distributes, different to the degree of absorption of ray, the signal intensity of detector output is also different, strong and weak unlike signal is presented on computer display screen after image is processed to loaded with articles in known closure compartment.Because vehicle is fully automatic working pattern by X-ray detecting equipment, when driver driving vehicle directly passes through scan channel, without parking, this must need reliable ray safety control automatically to dodge the pilothouse that detects vehicle, and only the compartment of detected vehicle is scanned.X-ray dose needs 2-4s from starting stable output, so control having or not of X ray by switch high-pressure in the short time that can not pass through at vehicle.This need to install the protective device that can open fast, close in the place ahead of fan-shaped x-ray beam.
Summary of the invention
In order to solve environmental pollution and the driver's personal safety problem that in prior art Green channel detection system, X ray brings, the invention provides a kind of in the not pent situation of X ray, cut off quickly and accurately beam, beam is penetrated by appointed area, and meet when cutting off beam the control device of X-ray beam in x-ray dose safety, the green channel detection system that do not exceed standard.
In order to address the above problem, the technical solution used in the present invention is:
The control device of X-ray beam in a kind of green channel detection system, comprise X-ray machine, precollimator web joint, it is characterized in that: also comprise electromagnet, floating junction, plumbous device web joint slides, peripheral fixing plumbous device, plumbous device and precollimator slide, described X-ray machine is installed in two precollimator web joints and is surveyed by gib screw, on a precollimator web joint inwall, be connected with electromagnet therein, the free end of described electromagnet is connected with the plumbous device web joint that slides by floating junction, on X-ray machine, be provided with precollimator, on precollimator, be provided with guide rail, on guide rail, be provided with the slide block that can slide along guide rail, the plumbous device of described slip is fixed on slide block by the plumbous device web joint that slides, the fixing plumbous device in described periphery is positioned at the plumbous device outside of sliding, and be fixedly connected on precollimator, the fixing gap of plumbous device, described periphery and the gap of precollimator are aimed at all the time, the plumbous device web joint of described slip drives the plumbous device that slides to move along guide rail.
The control device of X-ray beam in aforesaid a kind of green channel detection system, is characterized in that: the plumbous device of described slip and peripheral fixing plumbous device are all welded into L shaped shape, and all cuts out gap at slide plumbous device and peripheral fixing plumbous device.
The control device of X-ray beam in aforesaid a kind of green channel detection system, is characterized in that: in periphery, fixing plumbous device outside is enclosed with one deck stainless steel protection cover, and sliding, plumbous device outside is enclosed with one deck stainless steel protection cover.
The control device of X-ray beam in aforesaid a kind of green channel detection system, is characterized in that: at the top of X-ray machine, precollimator both sides are respectively arranged with mechanical limit switch, and described mechanical limit switch is connected with host computer by data line.
The control device of X-ray beam in aforesaid a kind of green channel detection system, is characterized in that: at the top of X-ray machine, precollimator both sides are respectively arranged with Limit screw.
The control device of X-ray beam in aforesaid a kind of green channel detection system, is characterized in that: at the top of X-ray machine, precollimator both sides are respectively arranged with impact damper.
In aforesaid a kind of green channel detection system, the control device of X-ray beam, is characterized in that: the top at X-ray machine is provided with baffle plate, between baffle plate and the plumbous device web joint of slip, is provided with back-moving spring.
In aforesaid a kind of green channel detection system, the control device of X-ray beam, is characterized in that: described precollimator is arranged to rectangular shape.
The invention has the beneficial effects as follows: the present invention adopts precollimator to carry out ground floor bulk shielding to X-ray machine, electromagnet drives the plumbous device that slides to block along guide rail the X ray that precollimator slit is emitted, and the plumbous device skin that slides adds anti-scatter, the fixing plumbous device of reflection.Precollimator of the present invention has only emitted by slit the fan-shaped x-ray beam that our project needs position, when we need X ray to penetrate, the slit on precollimator is aimed at by fast moving in the gap of sliding on plumbous device, when not needing X ray to penetrate, the slit that the plumbous device that slides blocks on precollimator plays shield effectiveness.But in slip stereotype device moving process, have X ray and produce scattering and reflection, we are difficult to control X ray less than in surrounding environment like this, so we need to add the fixing plumbous device in a periphery again in the plumbous device outside of sliding, slit on the fixing plumbous device in this periphery and the slit of precollimator align, and X ray can only penetrate from the fixing plumbous device slit of outermost like this.The present invention can guarantee, in the not pent situation of X ray, to cut off quickly and accurately beam, has reduced the pollution of X ray to pilothouse, more Environmental Safety simultaneously.
Accompanying drawing explanation
Figure 1A is that X ray penetrates state front elevation;
Figure 1B is that X ray penetrates the right cut-open view of state;
Fig. 1 C is that X ray penetrates state revolved sectional view;
Fig. 2 A is the X ray state front elevation that is blocked;
Fig. 2 B is the X ray state cut-open view that is blocked;
Fig. 2 C is the X ray state revolved sectional view that is blocked;
Fig. 3 is precollimator cut-open view;
Fig. 4 is the plumbous assembly axis mapping that slides;
Fig. 5 is the axonometric drawing of peripheral fixing plumbous device.
The mark implication of accompanying drawing is as follows:
1. electromagnet; 2. floating junction; 3. mechanical limit switch; 4. back-moving spring; 5. Limit screw; 6. impact damper; 7. guide rail; 8. slide block; 9. plumbous device web joint slides; 10. outer stereotype fixed head; 11. stainless steel protection covers; 12. X ray that penetrate; The plumbous device web joint of 13. slip; 14. peripheral fixing plumbous devices; The plumbous device of 15. slip; 16. precollimators; 17.X ray machine; 18. high-voltage power-lines; 19. gib screws; 20. precollimator web joints; 21. X ray that are blocked.
Embodiment
Below in conjunction with accompanying drawing, the present invention will be further described.
As shown in the figure, the control device of X-ray beam in a kind of green channel detection system, comprise X-ray machine 17, precollimator web joint 20, electromagnet 1, floating junction 2, plumbous device web joint 13 slides, peripheral fixing plumbous device 14, plumbous device 15 and precollimator 16 slide, described X-ray machine 17 is installed to two interior surveys of precollimator web joint 20 by gib screw 19, on precollimator web joint 20 inwalls, be connected with electromagnet 1 therein, the free end of described electromagnet 1 is connected with the plumbous device web joint 13 that slides by floating junction 2, on X-ray machine 17, be provided with precollimator 16, on precollimator 16, be provided with guide rail 7, on guide rail 7, be provided with the slide block 8 that can slide along guide rail 7, the plumbous device 15 of described slip is fixed on slide block 8 by the plumbous device web joint 13 that slides, the fixing plumbous device 14 in described periphery is positioned at plumbous device 15 outsides of sliding, and be fixedly connected on precollimator 16, in periphery, fixing plumbous device 14 arranged outside have had the outer stereotype fixed head of fixation.The gap of the fixing plumbous device 14 in described periphery is aimed at all the time with the gap of precollimator 16, and the plumbous device web joint 13 of described slip drives the plumbous device 15 that slides to move along guide rail 7.
The control device of X-ray beam in green channel detection system, what requirement X-ray machine 17 sent is fan beam, on market, the type ray machine is all columniform, we will give X-ray machine 17 the outer precollimator 16 of doing a cylindrical shape, precollimator 16 needs casting just can complete, and cost is very large like this.Consider plumbous low melting point, the physical characteristics of easily welding, we are designed to rectangular shape (as Fig. 3) precollimator, the fladellum radiation areas of X-ray machine are very strong, precollimator wire outlet part requires stereotype than the thick 20mm in other position like this, opens right angle slit again guarantee that fan beam can penetrate after having welded in the position of needs.
As shown in Figure 4, Figure 5, slide plumbous device 15 and peripheral fixing plumbous device 14 are all welded into L shaped shape and cut out gap, plumbous oxidized in order to prevent, need to be at plumbous peripheral parcel one deck stainless steel protection cover 11.
As shown in Figure 1 C, X-ray machine 17 is than the short 20mm of precollimator web joint 20, by regulating the gib screw 19 on precollimator web joint 20 to make the cross launching site of X-ray machine 17 in the middle of precollimator 16.Guarantee the peripheral fixing gap of plumbous device 14 and the gap of precollimator 16 aligning, X-ray machine 17 is connected with high-voltage power-line 18, for stable input is provided.
Top at X-ray machine; on the outer cover of precollimator 16, left and right is respectively provided with the mechanical limit switch 3 of; thereby host computer is known slide the position of plumbous device 15, on precollimator 16 both sides, be provided with in addition Limit screw 5 guarantee the to slide uniqueness of slit reference position of plumbous device 15.
In order to make motion process steady, at the top of X-ray machine 17, precollimator 16 both sides are respectively arranged with impact damper 6.
When lorry passes through green channel Vehicle analyzer, host computer can obtain a signal, electromagnet 1 energising action, by floating junction 2, drive the plumbous device web joint 13 that slides to move, the plumbous device web joint 13 that slides like this drives the plumbous device 15 that slides to be moved to the left rapidly and to abut against on Limit screw 5 along guide rail 7 by slide block 8, as shown in Figure 1 C, the X ray 12 of ejaculation is received by photomultiplier.
When lorry passes through green channel Vehicle analyzer completely, electromagnet 1 dead electricity, back-moving spring 4 promotes the plumbous device 15 of slip and moves right to rapidly reference position, and as shown in Figure 2 C, the X ray 21 being blocked is blocked by stereotype.
More than show and described ultimate principle of the present invention, principal character and advantage.The technician of the industry should understand; the present invention is not restricted to the described embodiments; that in above-described embodiment and instructions, describes just illustrates principle of the present invention; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements all fall in the claimed scope of the invention.The claimed scope of the present invention is defined by appending claims and equivalent thereof.
Claims (8)
1. the control device of X-ray beam in a green channel detection system, comprise X-ray machine, precollimator web joint, it is characterized in that: also comprise electromagnet, floating junction, plumbous device web joint slides, peripheral fixing plumbous device, plumbous device and precollimator slide, described X-ray machine is installed in two precollimator web joints and is surveyed by gib screw, on a precollimator web joint inwall, be connected with electromagnet therein, the free end of described electromagnet is connected with the plumbous device web joint that slides by floating junction, on X-ray machine, be provided with precollimator, on precollimator, be provided with guide rail, on guide rail, be provided with the slide block that can slide along guide rail, the plumbous device of described slip is fixed on slide block by the plumbous device web joint that slides, the fixing plumbous device in described periphery is positioned at the plumbous device outside of sliding, and be fixedly connected on precollimator, the fixing gap of plumbous device, described periphery and the gap of precollimator are aimed at all the time, the plumbous device web joint of described slip drives the plumbous device that slides to move along guide rail.
2. the control device of X-ray beam in a kind of green channel detection system according to claim 1, is characterized in that: the plumbous device of described slip and peripheral fixing plumbous device are all welded into L shaped shape, and all cuts out gap at slide plumbous device and peripheral fixing plumbous device.
3. the control device of X-ray beam in a kind of green channel detection system according to claim 2, is characterized in that: in periphery, fixing plumbous device outside is enclosed with one deck stainless steel protection cover, and sliding, plumbous device outside is enclosed with one deck stainless steel protection cover.
4. the control device of X-ray beam in a kind of green channel detection system according to claim 3, it is characterized in that: at the top of X-ray machine, precollimator both sides are respectively arranged with mechanical limit switch, and described mechanical limit switch is connected with host computer by data line.
5. the control device of X-ray beam in a kind of green channel detection system according to claim 4, is characterized in that: at the top of X-ray machine, precollimator both sides are respectively arranged with Limit screw.
6. the control device of X-ray beam in a kind of green channel detection system according to claim 5, is characterized in that: at the top of X-ray machine, precollimator both sides are respectively arranged with impact damper.
7. the control device of X-ray beam in a kind of green channel detection system according to claim 6, is characterized in that: the top at X-ray machine is provided with baffle plate, between baffle plate and the plumbous device web joint of slip, is provided with back-moving spring.
8. the control device of X-ray beam in a kind of green channel detection system according to claim 7, is characterized in that: described precollimator is arranged to rectangular shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410259167.XA CN103995299B (en) | 2014-06-11 | 2014-06-11 | The control device of X-ray beam in a kind of green channel detecting system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410259167.XA CN103995299B (en) | 2014-06-11 | 2014-06-11 | The control device of X-ray beam in a kind of green channel detecting system |
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| CN103995299A true CN103995299A (en) | 2014-08-20 |
| CN103995299B CN103995299B (en) | 2016-09-07 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114419773A (en) * | 2022-03-28 | 2022-04-29 | 成都古河云科技有限公司 | Self-service truck registration entry duty system and truck self-service entry method |
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| US7308076B2 (en) * | 2001-05-08 | 2007-12-11 | Smiths Heimann Gmbh | X-ray system comprising an X-ray source, a detector assembly, and a shutter |
| CN1779445A (en) * | 2004-11-26 | 2006-05-31 | 清华同方威视技术股份有限公司 | Shutter structure of open and closed radioactive imaging checking system on train |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103995299B (en) | 2016-09-07 |
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| C53 | Correction of patent of invention or patent application | ||
| CB03 | Change of inventor or designer information |
Inventor after: Zhao Yating Inventor after: Lu Xiaojuan Inventor after: Liu Zhe Inventor after: Xue Weiqiang Inventor after: Zhang Shaohua Inventor after: Qin Yanping Inventor after: Chen Yaliang Inventor after: Zhang Yajing Inventor before: Zhao Yating Inventor before: Lu Xiaojuan Inventor before: Xue Weiqiang Inventor before: Zhang Shaohua Inventor before: Qin Yanping Inventor before: Chen Yaliang Inventor before: Zhang Yajing |
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Free format text: CORRECT: INVENTOR; FROM: ZHAO YATING LU XIAOJUN XUE WEIQIANG ZHANG SHAOHUA QIN YANPING CHEN YALIANGZHANG YAJING TO: ZHAO YATING LU XIAOJUN LIU ZHE XUE WEIQIANG ZHANG SHAOHUA QIN YANPING CHEN YALIANG ZHANG YAJING |
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Effective date of registration: 20151123 Address after: 215301 Kunshan City, Jiangsu province high tech Zone, Fung Road, No. 232, No. Applicant after: Suzhou Aodeke Photoelectric Co., Ltd. Address before: 215300, room 11, floor 1699, 1103 South Gate Road, Suzhou, Jiangsu, Kunshan Applicant before: Suzhou Aotefu Environmental Technology Co., Ltd. |
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Address after: 215301 Kunshan City, Jiangsu province high tech Zone, Fung Road, No. 232, No. Applicant after: Suzhou Mandke photoelectric Co Ltd Address before: 215301 Kunshan City, Jiangsu province high tech Zone, Fung Road, No. 232, No. Applicant before: Suzhou Aodeke Photoelectric Co., Ltd. |
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