CN203799027U - Cobalt-60 gamma ray transmission type green channel vehicle detector - Google Patents
Cobalt-60 gamma ray transmission type green channel vehicle detector Download PDFInfo
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- CN203799027U CN203799027U CN201420182269.1U CN201420182269U CN203799027U CN 203799027 U CN203799027 U CN 203799027U CN 201420182269 U CN201420182269 U CN 201420182269U CN 203799027 U CN203799027 U CN 203799027U
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- cobalt
- shielding
- vehicle
- ray
- green channel
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- 230000005251 gamma ray Effects 0.000 title abstract description 8
- GUTLYIVDDKVIGB-OUBTZVSYSA-N Cobalt-60 Chemical compound [60Co] GUTLYIVDDKVIGB-OUBTZVSYSA-N 0.000 title abstract 6
- 230000005540 biological transmission Effects 0.000 title abstract 5
- 239000007787 solid Substances 0.000 claims abstract description 20
- 238000000034 method Methods 0.000 claims description 10
- 238000001514 detection method Methods 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 5
- 239000000463 material Substances 0.000 description 3
- 239000000203 mixture Substances 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000001066 destructive effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000009931 harmful effect Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Abstract
The utility model discloses a cobalt-60 gamma ray transmission type green channel vehicle detector. The cobalt-60 gamma ray transmission type green channel vehicle detector is characterized by comprising a shielding case, a vehicle pass signal trigger, a portal frame, and a data acquisition processing and display system. A channel for a vehicle to pass through is formed between the shielding case and the portal frame; the shielding case is internally successively provided with a cobalt-60 gamma ray source, a ray shutter with shielding, and a fanning beam collimator; the energy of the cobalt-60 gamma ray source is 0.8 curie; the ray shutter with the shielding is in signal connection with the vehicle pass signal trigger; and the inner side of the portal frame is provided with a shielding layer and a plurality of transmission ray solid array receivers in signal connection with the data acquisition processing and display system. The advantages are as follows: the 0.8-curie low-energy cobalt-60 gamma ray source is utilized, so that the shielding is easier, the shielding effect is more obvious, and no influences are caused to environment outside a detection area; and the plurality of transmission ray solid array receivers are utilized, so that the detection effect is more remarkable.
Description
Technical field
The utility model relates to a kind of Vehicle analyzer, is specifically related to a kind of cobalt-60γray transmission-type green channel Vehicle analyzer, belongs to vehicle non-destructive detecting device technical field.
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 loading in mixture, false evidence, transfinite, the means such as overload, evade national set-fee, make highway be subject to very large economic loss.Therefore the detector of green channel vehicle arises at the historic moment.
It is example that the use gamma-rays of take is made radiogenic green channel Vehicle analyzer, its ultimate principle is: utilize gamma-ray strong penetration capacity, and adjust directions of rays by collimating apparatus, make after ray penetration-detection thing the collection analysis of transmitted ray detect and in compartment, have or not personation, load in mixture etc. event occurs, to safeguard that the safety of green channel normally moves.
When using gamma-rays to detect; need to make shielding protection to the environment outside surveyed area, because the energy of gamma ray projector is conventionally all very high, so shielding protection work is comparatively complicated; and shield effectiveness is sometimes not ideal enough, can cause to the environment outside detection zone certain harmful effect.
Utility model content
For solving the deficiencies in the prior art, the purpose of this utility model is to provide the cobalt-60γray transmission-type green channel Vehicle analyzer that a kind of shielding is easier, shield effectiveness is more obvious, detect more remarkable effect.
In order to realize above-mentioned target, the utility model adopts following technical scheme:
A kind of cobalt-60γray transmission-type green channel Vehicle analyzer, it is characterized in that, comprise: shielding box, vehicle, by signal trigger, portal frame and data acquisition process and display system, form the passage passing through for detected vehicle between aforementioned shielding box and portal frame;
In aforementioned shielding box, be disposed with: ray shutter and the fan beam collimator of cobalt-60γray source, band shielding, the energy in aforementioned cobalt-60γray source is 0.8 Curie, the ray shutter of aforementioned band shielding is connected by signal trigger signal with vehicle;
Aforementioned portal frame is comprised of sidewall and ceiling, and the inner side of portal frame is provided with screen layer and some transmitted ray solid array receivers, and aforementioned transmitted ray solid array receiver is connected with display system signals with data acquisition process.
Aforesaid cobalt-60γray transmission-type green channel Vehicle analyzer, is characterized in that, also comprises: fault alarm, aforementioned fault alarm is connected with the ray shutter signal of band shielding.
Aforesaid cobalt-60γray transmission-type green channel Vehicle analyzer, is characterized in that quantity >=120 of aforementioned transmitted ray solid array receiver.
Usefulness of the present utility model is: the low-yield cobalt-60γray source of using 0.8 Curie, with respect to other high-octane radiographic source, its shielding of detector of the present utility model is more prone to, and shield effectiveness is more obvious, to the environment outside detection zone, can not have any impact; Used high precision, most transmitted ray solid array receiver of measuring, made to detect more remarkable effect, image resolution ratio is higher, image is more clear.
Accompanying drawing explanation
Fig. 1 is the front view of a specific embodiment of cobalt-60γray transmission-type green channel Vehicle analyzer of the present utility model;
Fig. 2 is the vertical view of the cobalt-60γray transmission-type green channel Vehicle analyzer in Fig. 1;
Fig. 3 is the layout schematic diagram of transmitted ray solid array receiver on portal frame in Fig. 1.
The implication of Reference numeral in figure: 1-cobalt-60γray source, the ray shutter of 2-band shielding, 3-fan beam collimator, 4-shielding box, 5-vehicle is by signal trigger, 6-portal frame, 7-screen layer, 8-transmitted ray solid array receiver, 9-data acquisition process and display system, 10-is detected vehicle, 11-fan-ray beam, 12-transmitted ray bundle, 13-fault alarm, arrow represents tested vehicle direction of relative movement.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is done to concrete introduction.
See figures.1.and.2, cobalt-60γray transmission-type green channel Vehicle analyzer of the present utility model, comprise: shielding box 4, vehicle are by signal trigger 5, portal frame 6 and data acquisition process and display system 9, wherein, between shielding box 4 and portal frame 6, form the passage passing through for detected vehicle 10.Introduce respectively structure in shielding box 4 and the structure of portal frame 6 below, and the signal annexation between each parts.
The material of shielding box 4 is plumbous, in it, be provided with: ray shutter 2 and the fan beam collimator 3 of cobalt-60γray source 1, band shielding, three is arranged in order on same straight line, wherein, the energy in cobalt-60γray source is 0.8 Curie, and the ray shutter 2 of band shielding is connected by signal trigger 5 signals with vehicle.Use 0.8 Curie's low-yield cobalt-60γray source 1, with respect to other high-octane radiographic source, its shielding of detector of the present utility model is more prone to, and shield effectiveness is more obvious, to the environment outside detection zone, can not have any impact.
When the pilothouse that is detected vehicle 10 is after vehicle passes through signal trigger 5, the ray shutter 2 of band shielding is opened automatically, the ray of launching from cobalt-60γray source 1 is after fan beam collimator 3, generation is perpendicular to the fan-ray beam 11 on ground, the compartment of detected vehicle 10 passes beam from the direction of vertical fan-ray beam 11, after detected vehicle 10 passes through, vehicle sends the ray shutter 2 of signal at stop band shielding by signal trigger 5.
Portal frame 6 is comprised of sidewall and ceiling, the inner side of portal frame 6 is provided with screen layer 7 and some transmitted ray solid array receivers 8, transmitted ray solid array receiver 8 is connected with display system 9 signals with data acquisition process, is not transmitted full conductively-closed layer 7 absorption of ray that ray solid array receiver 8 receives.The quantity of transmitted ray solid array receiver 8 is preferably more than 120.Use the transmitted ray solid array receiver 8 of high precision, most amounts can guarantee to detect more remarkable effect, image resolution ratio is higher, image is more clear.A kind of arrangement of transmitted ray solid array receiver 8 as shown in Figure 3.
When the compartment of detected vehicle 10 passes beam from the direction of vertical fan-ray beam 11, transmitted ray solid array receiver 8 receives the transmitted ray bundle 12 that penetrates compartment, and this signal is passed to data acquisition process and display system 9, data acquisition process and display system 9 just can obtain compartment scintigram, the information such as the profile that can find whether to contain hiding violation article and quantity in vehicle and can judge article in vehicle by analysis image, material weight.
Fan-ray beam 11 is mapped to after portal frame 6, and major part is transmitted ray solid array receiver 8 and receives, and the full conductively-closed layer 7 of other parts absorbs, and has effectively protected environment not contaminated.
As a kind of preferred scheme, cobalt-60γray transmission-type green channel Vehicle analyzer of the present utility model, also comprises: fault alarm 13.Fault alarm 13 is connected with ray shutter 2 signals of band shielding, can close in time the ray shutter 2 of band shielding under fortuitous event, prevents that ray from penetrating, and increases security.
Cobalt-60γray transmission-type green channel Vehicle analyzer of the present utility model, its principle of work is as follows:
When the pilothouse that is detected vehicle 10 is after vehicle passes through signal trigger 5, the ray shutter 2 of band shielding is opened automatically, the fan-ray beam 11 that the ray of launching from cobalt-60γray source 1 produces perpendicular to ground through fan beam collimator 3, the compartment of detected vehicle 10 passes beam from the direction of vertical fan-ray beam 11, transmitted ray solid array receiver 8 receives the transmitted ray 12 that penetrates compartment, after detected vehicle 10 passes through, data acquisition process and display system 9 just can obtain compartment scintigram, the profile that can find whether contain hiding violation article and quantity in vehicle and can judge article in vehicle by analysis image, the information such as material weight.
As can be seen here, cobalt-60γray transmission-type green channel Vehicle analyzer of the present utility model in the course of the work, by vehicle is passed through to the monitoring of signal trigger 5 signals, has been realized automatic control; In addition, owing to having added fault alarm 13, under fortuitous event, can close in time the ray shutter 2 of band shielding, prevent that ray from penetrating, and increases security.
It should be noted that, above-described embodiment does not limit the utility model in any form, and all employings are equal to replaces or technical scheme that the mode of equivalent transformation obtains, all drops in protection domain of the present utility model.
Claims (3)
1. a cobalt-60γray transmission-type green channel Vehicle analyzer, it is characterized in that, comprise: shielding box (4), vehicle, by signal trigger (5), portal frame (6) and data acquisition process and display system (9), form the passage passing through for detected vehicle (10) between described shielding box (4) and portal frame (6);
Described shielding box is disposed with in (4): ray shutter (2) and the fan beam collimator (3) of cobalt-60γray source (1), band shielding, the energy in described cobalt-60γray source (1) is 0.8 Curie, and the ray shutter (2) of described band shielding is connected by signal trigger (5) signal with vehicle;
Described portal frame (6) is comprised of sidewall and ceiling, the inner side of portal frame (6) is provided with screen layer (7) and some transmitted ray solid array receivers (8), and described transmitted ray solid array receiver (8) is connected with display system (9) signal with data acquisition process.
2. cobalt-60γray transmission-type green channel Vehicle analyzer according to claim 1, is characterized in that, also comprises: fault alarm (13), described fault alarm (13) is connected with ray shutter (2) signal of band shielding.
3. cobalt-60γray transmission-type green channel Vehicle analyzer according to claim 1 and 2, is characterized in that quantity >=120 of described transmitted ray solid array receiver (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420182269.1U CN203799027U (en) | 2014-04-15 | 2014-04-15 | Cobalt-60 gamma ray transmission type green channel vehicle detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420182269.1U CN203799027U (en) | 2014-04-15 | 2014-04-15 | Cobalt-60 gamma ray transmission type green channel vehicle detector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203799027U true CN203799027U (en) | 2014-08-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420182269.1U Expired - Lifetime CN203799027U (en) | 2014-04-15 | 2014-04-15 | Cobalt-60 gamma ray transmission type green channel vehicle detector |
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| Country | Link |
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| CN (1) | CN203799027U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104198507A (en) * | 2014-09-16 | 2014-12-10 | 北京一体通探测技术有限公司 | Shutter device for shielding rays and ray scanning imaging system |
-
2014
- 2014-04-15 CN CN201420182269.1U patent/CN203799027U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104198507A (en) * | 2014-09-16 | 2014-12-10 | 北京一体通探测技术有限公司 | Shutter device for shielding rays and ray scanning imaging system |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140827 |