CN203275670U - Inspection vehicle based on large fanned-beam Compton back scattering scanning technology - Google Patents
Inspection vehicle based on large fanned-beam Compton back scattering scanning technology Download PDFInfo
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- CN203275670U CN203275670U CN201220500983.1U CN201220500983U CN203275670U CN 203275670 U CN203275670 U CN 203275670U CN 201220500983 U CN201220500983 U CN 201220500983U CN 203275670 U CN203275670 U CN 203275670U
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- inspection vehicle
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- scattering detector
- scanning measurement
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Abstract
An embodiment of the utility model discloses an inspection vehicle based on a large fanned-beam Compton back scattering scanning technology. The inspection vehicle comprises a transport machine, a scanning measurement system disposed in the transport machine and a control system controlling the scanning measurement system. The scanning measurement system comprises a X-ray machine, a scattering detector, a front collimator, a rear collimator, and a data acquisition system, wherein the front collimator is installed and fixed on a front end of the X-ray machine, the rear collimator is installed and fixed on a front end of the scattering detector, and the data acquisition system is connected with the scattering detector and the control system. The inspection vehicle is advantaged by convenient installation, rapid detection and low cost, and the inspection vehicle is safe and reliable.
Description
Technical field
The utility model relates to checkout equipment, relates in particular to a kind of inspection vehicle based on large fladellum compton backscattering scanning technique.
Background technology
In recent years, set up the execution of the fresh and alive agricultural byproducts green channel of highway policy along with country, the policy of reducing or remitting the expenses accordingly that various places government is also supporting, this policy of country is rooted in the hearts of the people, and has obtained good social effect.But, also there is certain imperfection in present policy, lack relevant supplementary measures and operation guide, more there are some lawless persons to utilize this policy in the policy implementation process, by load in mixture, false evidence, transfinite, the means such as overload, evade the expenses of taxation of country, make highway be subject to very large economic loss, also just departed from the original intention of green channel policy Huinong Huimin.According to incompletely statistics, only Guangdong Province 1 year evade the highway expenses of taxation just up to more than 1,300,000,000 yuan, make the possessory interests of highway be subject to huge loss.
At present, the technological means that the vehicular traffic that transports fresh and live agricultural product is checked is: radar, ultrasonic technology, its subject matter are that penetration power is very weak, only can see the article of surface, compartment one deck, particularly metal can not be passed, van and container car can't be detected at all; The transmission of radiation imaging technique, its subject matter is: the first, involve great expense; The second, adopt I class and II class gamma ray projector, 100 Curie to 300 Curie's cobalt-60γray source for example, radiographic source security protection outstanding problem.Utilize the back scattering imaging technology of U.S.'s technology that " flies spot ", its subject matter is: the spot scan of pen type bundle, detection speed is slow.Simultaneously, present checkout equipment is fixed, and cost of investment is high.
Therefore, the checkout equipment that detectivity is strong, radiation dose is little, detection speed is fast and cost is low is the focus of studying at present.
The utility model content
The utility model embodiment technical matters to be solved is, a kind of inspection vehicle based on large fladellum compton backscattering scanning technique is provided.Can solve the problem that present detection performance is not good, security protection is bad, detection speed is slow and input cost is high
In order to solve the problems of the technologies described above, the utility model embodiment provides a kind of inspection vehicle based on large fladellum compton backscattering scanning technique, comprising:
One means of transport, one scanning measurement system and that is positioned at described means of transport is controlled the control system of described scanning measurement system work, it is characterized in that, described scanning measurement system comprises: x X-ray machine X, scattering detector, front collimating apparatus, rear collimating apparatus and data acquisition system (DAS), wherein, described front collimating apparatus is mounted on the front end of described x X-ray machine X, described rear collimating apparatus is mounted on the front end of described scattering detector, described data acquisition system (DAS) respectively with described scattering detector be connected control system and be connected; Described x X-ray machine X and described scattering detector are positioned at the same side, are equipped with an isolation stereotype between described x X-ray machine X and described scattering detector; Described means of transport comprises the casing of a sealing, and a side of the contiguous described x X-ray machine X of described casing and described scattering detector has a transmission window.
Wherein, also comprise a radome, place described scanning measurement system in described radome, wherein, close on described transmission window a side do not establish barricade.
Wherein, also comprise a crane, described crane is fixedly connected with the bottom of described scanning measurement system, is used for regulating the height of described scanning measurement system.
Wherein, also comprise a video monitoring system, be used for gathering the realtime graphic of outside vehicle to be measured, and described realtime graphic is sent to described control system.
Wherein, described control system comprises computer, and described control system is placed in the casing of described inspection vehicle.
Wherein, the base of described scanning measurement system is provided with pulley.
Wherein, also comprise a standby power supply.
Implement the utility model embodiment, have following beneficial effect:
Easy for installation, x ray backward scattering checkout equipment radiographic source system and detector are positioned at the same side, facility compact, and Installation and Debugging are convenient; Be perfectly safe: x ray backward scattering checkout equipment adopts the spot scan principle, and single checks that dosage is low especially, only penetrates the 1/10 even lower of emissive devices (cobalt-60 product); Flexible arrangement: the green channel inspection vehicle can move whenever and wherever possible, and with respect to fixed checkout equipment, check point can arrange flexibly, can control a plurality of import and export simultaneously.Have simultaneously and drop into into low and detect reliable advantage.
Description of drawings
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, the below will do to introduce simply to the accompanying drawing of required use in embodiment or description of the Prior Art, apparently, accompanying drawing in the following describes is only embodiment more of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the structural representation of a kind of inspection vehicle based on large fladellum compton backscattering scanning technique of the present utility model;
Fig. 2 is the structural representation of scanning measurement system in this Fig. 1;
Fig. 3 is the work schematic diagram of scanning measurement system;
Fig. 4 is the structural representation of x X-ray machine X and front collimating apparatus in Fig. 2.
The parts that attached number in the figure represents are as follows:
1, x X-ray machine X
2, front collimating apparatus
3, the outgoing seam of x X-ray machine X emission x ray
4, rear collimating apparatus
5, scattering detector
6, the incident of scattered x rays seam
7, data acquisition system (DAS)
8, low-tension supply
9, scattering detector shielding box
10, plumbous division board
11, mounting bracket
12, crane (band graduated scale)
13, enter the large fladellum of x ray of vehicle to be detected
14, enter the backward scattering bundle of inspection vehicle scanning measurement system
15, scanning measurement system
16, scanning measurement system radome
17, control system
18, computing machine
19, operation keyboard
20, operator seat
21, power supply rack
22, standby power supply
23, video monitoring system
24, the headstock of inspection vehicle
25, inspection vehicle box side transmission window
26, inspection vehicle box bottom
27, the wheel of scanning measurement system radome
28, motor
29, air conditioner
30, means of transport
31, be examined the car side board of car
32, be examined the goods that car loads
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is only the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment that obtains under the creative work prerequisite, all belong to the scope of the utility model protection.
referring to Fig. 1-Fig. 4, be the structural representation of a kind of inspection vehicle based on large fladellum compton backscattering scanning technique of the present utility model and the structural representation of local device, inspection vehicle comprises means of transport 30, scanning measurement system 15 and control system 17, means of transport 30 is provided with the casing of a sealing, control system 17 and scanning measurement system 15 are placed in the casing of inspection vehicle, casing has transmission window 25 near a side of measuring vehicle, also comprise video monitoring system 23 in casing simultaneously, standby power supply 22, power supply rack 21 and air conditioner 29, wherein scanning measurement system comprises x X-ray machine X 1, front collimating apparatus 2, rear collimating apparatus 4, scattering detector 5 and data acquisition system (DAS) 7, preferably, scanning measurement system 15 outsides also are provided with radome 16, radome 16 is used for a small amount of x ray that shielding x X-ray machine X is revealed, avoid the operator is damaged, radome is not established barricade near the one side of transmission window 25, radome is fixedly mounted on mounting bracket 11, controlling mounting bracket 11 by motor 28 slides up and down along crane 12, wherein crane 12 is provided with graduated scale, can measure the height of scanning measurement system 15, also be provided with the wheel 27 that to brake on mounting bracket 11.Front collimating apparatus 2 is mounted on the front end of x X-ray machine X 1, and rear collimating apparatus 4 is mounted on the front end of scattering detector 5, and data acquisition system (DAS) 7 is connected with control system with scattering detector 5 respectively and is connected; X X-ray machine X 1 and scattering detector 5 are positioned at the same side, are equipped with an isolation stereotype 10 between x X-ray machine X 1 and scattering detector 5, and effectively the x ray of isolation emission and the interference between scattered ray, avoid measurement result is impacted.
The course of work is: utilize suitable middle low energy x-ray scanning checked property, receiving x ray by checked property scattering with side position preset direction and preset distance place with high efficiency scattering detector with the x X-ray machine X, obtain the scattered light subnumber, process and rebuild by data, the eigenwerts such as mass density, effective atomic number and relative percentage content that draw electron density distribution, the two-dimentional Density Distribution of checked property and be examined material, thus determine whether uniquely fresh and live agricultural product.Also can by the autonomous identification database that creates, by automatic contrast indices, automatically differentiate whether be fresh and live agricultural product.
Testing staff on operator seat 20 connects the power supply 21 of power supply rack and is detected the height of vehicle car side plates 15 by video monitoring system 23 judgements, fixed after the crane 12 with altitude scale arrives predetermined altitude by motor 28 drive installation supports 11, by computing machine 18 and operation keyboard 19, operation scanning measurement system 15, inspection vehicle 30 travel to parallel with the car side board 31 of tested measuring car and near the time, the goods 32 of the tested measuring car car side board of 15 pairs of the scanning measurement systems of inspection vehicle 30 inside carries out scanning survey.If the excessive height of detected car side board 31 or the excessive height of lade 32 are increased to suitable height with the mounting bracket 11 of scanning measurement system 15 along crane 12 by motor 28, in order to obtain all images information of lade 32.
The concrete course of work of scanning measurement system is:
The x X-ray machine X is launched one by front collimating apparatus 2 and is had and predetermined thickness carry out continuous sweep with 13 pairs of lades of fan-shaped X ray predetermined angular, in the present embodiment, front collimating apparatus 2 be shaped as a triangle, the centre is provided with long and narrow gap, the x ray is launched from this gap, during concrete enforcement, the shape of front collimating apparatus 2 is not restricted.
Diffuse reflection occurs and forms scattered ray 14 in the x radiation exposure on lade, the high scattering detector with rear collimating apparatus 45 of detection efficiency that is positioned at x X-ray machine X 1 homonymy preset bearing receives, when the lorry of lade moved, this fan-shaped x-ray bundle was with regard to continuous inswept lade in area ground of an area.Scattering detector 5(for example oxidation Gadolinium and Dianization Cesium adds photodiode), convert the scattered ray that receives to electric signal and be sent to data acquisition system (DAS) 7, data acquisition system (DAS) 7 outsides also are provided with shielding box 9, avoid interference.7 pairs of electric signal of data acquisition system (DAS) carry out being sent to control system 17 after time sharing sampling, and control system 17 generates image and every detected parameters of lade.
Implement embodiment of the present utility model, have advantages of easy for installation, safe and reliable, detect rapidly and with low cost, x ray backward scattering checkout equipment radiographic source system and detector are positioned at the same side, facility compact, Installation and Debugging are convenient.
Above disclosed is only a kind of preferred embodiment of the utility model, certainly can not limit with this interest field of the utility model, one of ordinary skill in the art will appreciate that all or part of flow process that realizes above-described embodiment, and according to the equivalent variations that the utility model claim is done, still belong to the scope that utility model contains.
Claims (8)
1. inspection vehicle based on large fladellum compton backscattering scanning technique, comprise: a means of transport, one scanning measurement system and that is positioned at described means of transport is controlled the control system of described scanning measurement system work, it is characterized in that, described scanning measurement system comprises: the x X-ray machine X, scattering detector, front collimating apparatus, rear collimating apparatus and data acquisition system (DAS), wherein, described front collimating apparatus is mounted on the front end of described x X-ray machine X, described rear collimating apparatus is mounted on the front end of described scattering detector, described data acquisition system (DAS) respectively with described scattering detector be connected control system and be connected, described x X-ray machine X and described scattering detector are positioned at the same side, are equipped with an isolation stereotype between described x X-ray machine X and described scattering detector, described means of transport comprises the casing of a sealing,
The x ray that described x X-ray machine X sends forms fan-shaped x-ray by described front collimating apparatus, described fan-shaped x-ray is radiated on article to be measured by the gap on described front collimating apparatus and forms scattered ray, described scattered ray is detected by described scattering detector through collimating apparatus after described, the described scattered ray that described scattering detector will detect converts electric signal to and is sent to described data acquisition system (DAS), described data acquisition system (DAS) carries out being sent to described control system after time sharing sampling to described electric signal, so that described control system generates the image of article to be measured.
2. inspection vehicle as claimed in claim 1, it is characterized in that, described scanning measurement system outside also is provided with a radome, and described radome is used for shielding a small amount of x ray that described x X-ray machine X is revealed, wherein, close on described transmission window a side do not establish barricade.
3. inspection vehicle as claimed in claim 2, is characterized in that, also comprises a crane, and described crane is fixedly connected with the bottom of described scanning measurement system, is used for regulating the height of described scanning measurement system.
4. inspection vehicle as claimed in claim 3, is characterized in that, described crane is provided with scale, and raise or reduced by the motor-driven mounting bracket.
5. inspection vehicle as claimed in claim 4, is characterized in that, also comprises a video monitoring system, is used for gathering the realtime graphic of outside vehicle to be measured, and described realtime graphic is sent to described control system.
6. inspection vehicle as claimed in claim 5, is characterized in that, described control system comprises computer, and described control system is placed in the casing of described inspection vehicle.
7. inspection vehicle as claimed in claim 6, is characterized in that, the base of described scanning measurement system is provided with pulley.
8. as the described inspection vehicle of claim 1-7 any one, it is characterized in that, also comprise a standby power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220500983.1U CN203275670U (en) | 2012-09-28 | 2012-09-28 | Inspection vehicle based on large fanned-beam Compton back scattering scanning technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220500983.1U CN203275670U (en) | 2012-09-28 | 2012-09-28 | Inspection vehicle based on large fanned-beam Compton back scattering scanning technology |
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|---|---|
| CN203275670U true CN203275670U (en) | 2013-11-06 |
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| CN201220500983.1U Expired - Fee Related CN203275670U (en) | 2012-09-28 | 2012-09-28 | Inspection vehicle based on large fanned-beam Compton back scattering scanning technology |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102749343A (en) * | 2012-07-24 | 2012-10-24 | 丁青 | Liquid safety inspection instrument based on Compton back-scattering scanning technology |
| CN102901988A (en) * | 2012-09-28 | 2013-01-30 | 深圳市鑫源通电子有限公司 | Large-flabellum Compton backscatter scanning technique-based inspection van |
| CN102914555A (en) * | 2012-11-19 | 2013-02-06 | 四川大学 | Unisource X-ray transmission and compton scattering security check device in L-shaped structure |
| CN104161538A (en) * | 2014-08-27 | 2014-11-26 | 丁厚本 | Medical CT machine based on Compton backscatter scanning technology |
| CN107407622A (en) * | 2015-01-16 | 2017-11-28 | 拉皮斯坎系统股份有限公司 | For detecting the non-intruding inspection system and method for material of interest |
-
2012
- 2012-09-28 CN CN201220500983.1U patent/CN203275670U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102749343A (en) * | 2012-07-24 | 2012-10-24 | 丁青 | Liquid safety inspection instrument based on Compton back-scattering scanning technology |
| CN102901988A (en) * | 2012-09-28 | 2013-01-30 | 深圳市鑫源通电子有限公司 | Large-flabellum Compton backscatter scanning technique-based inspection van |
| CN102901988B (en) * | 2012-09-28 | 2016-03-09 | 深圳市鑫源通电子有限公司 | A kind of inspection vehicle based on large fladellum compton backscattering scanning technique |
| CN102914555A (en) * | 2012-11-19 | 2013-02-06 | 四川大学 | Unisource X-ray transmission and compton scattering security check device in L-shaped structure |
| CN104161538A (en) * | 2014-08-27 | 2014-11-26 | 丁厚本 | Medical CT machine based on Compton backscatter scanning technology |
| CN107407622A (en) * | 2015-01-16 | 2017-11-28 | 拉皮斯坎系统股份有限公司 | For detecting the non-intruding inspection system and method for material of interest |
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| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131106 Termination date: 20210928 |
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| CF01 | Termination of patent right due to non-payment of annual fee |