CN204013931U - A kind of Dynamic Vehicle base map image sharpness test card detecting for prohibited items safety check system at the bottom of car - Google Patents
A kind of Dynamic Vehicle base map image sharpness test card detecting for prohibited items safety check system at the bottom of car Download PDFInfo
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- CN204013931U CN204013931U CN201420430159.2U CN201420430159U CN204013931U CN 204013931 U CN204013931 U CN 204013931U CN 201420430159 U CN201420430159 U CN 201420430159U CN 204013931 U CN204013931 U CN 204013931U
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Abstract
The utility model discloses a kind of Dynamic Vehicle base map image sharpness test card detecting for prohibited items safety check system at the bottom of car, it comprises several different size aluminum step wedge or ladder module, wherein the module of every 3 same specifications is that spacing is lined up square test cell according to its width, and at the square test cell of the transversely different size of test card equidistantly anyhow alternately, test card longitudinally on by the square test cell of same specification equidistantly anyhow alternately.This programme controllability is high, repeatable strong, and greatly improves detection efficiency, and simple in structure, and implementation method is easy, simple operation.
Description
Technical field
The utility model relates to the detection technique in a kind of index test, is specifically related at the bottom of car the detection technique of the index test such as car base map image sharpness in prohibited items safety check system.
Background technology
Terrorist activity is one of threat of facing of national security.Since the U.S. occurs after " 9.11 " terrorist incident, take precautions against and dispose the major issue that terrorist activity has become national governments and public attention.Taking precautions against and disposing all kinds of explosive terror attack events is importances wherein.Particularly since 2013, be under the background of gesture of bounce-back in international terrorist activity, terrorist activity within Chinese territory presents situation occurred frequently again.The threat of terrorism upgrading of China facing, anti-terrorism situation is increasingly severe.Anti-terrorism work and municipal public safety work check that at interior all kinds of prohibited items technical need progressively strengthens to comprising anti-explosion safety inspection technology.
For a long period, utilize the vehicles manufacture car bombs such as automobile to carry out the attack of terrorism and be the gesture growing in intensity, only so far, just on Colombia, Iraq, Pakistan, Northern Ireland, Russian Da Gusitan republic and other places, there are successively a lot of car bombing events successively 2010 beginning of the years.The car bomb attack of terrorism is rampant, is necessary to take as early as possible effective means, conscientiously carries out safety precaution.
At present, on domestic security protection market, there is prohibited items safety check system at the bottom of some cars.The prohibited items such as bomb be installed or be carried to this type systematic whether can with the chassis that checks vehicles by scanning car base map picture, can automatically snap car plate and vehicle appearance image simultaneously and help to confirm and distinguish vehicle.This type systematic can be widely used in the relevant places such as all kinds of venues such as government bodies, consulate, army, bank, airport or public place access way, significant to prohibited items at the bottom of taking precautions against car bomb or other car.
Yet on market, this type of product category is more, very different.Development coherent detection equipment, studies concrete detection method, and this series products is carried out to objective, rigorous, just evaluation, is from the angle of public safety trade management, to strengthen the only way of use and the management of this series products.
Meanwhile, in the manufacturing use procedure of violated thing safety check system at the bottom of car, for function, the performance of image collection assembly at the bottom of inspection vehicle, need to drive repeatedly by detecting sample.Yet the vehicle of driving is difficult to accurate constant speed, thereby must affect the accurate judgement to such systematic function.The chassis configurations of different vehicle is not quite similar, and the performance with image collection assembly at the bottom of heteroid vehicle chassis dynamic image evaluation car, is difficult to guarantee the rigorous and just of evaluation.In the existing actual vehicle of directly starting, observe in the detection method of judging, speed wobble, Testability design is low, and detection efficiency is low, the inadequate science of method, both the quality of production and the production efficiency of violated thing safety check system at the bottom of car had greatly been restricted, also directly affect the evaluation of inspection body to assay, thereby affected the practical application of this type systematic
Moreover when the various functions of image collection assembly at the bottom of inspection vehicle, performance, need to use image definition test card, for image definition test card, the structure that it needs to simulate complexity at the bottom of car, can be good at the bottom of inspection vehicle in prohibited items safety check system relevant Function detection and the performance index of image collection assembly at the bottom of car like this.But existing image definition test khaki complex structure, operation inconvenience, has greatly restricted the productivity ratio of violated thing safety check system at the bottom of car thus.
Utility model content
The existing problem of image definition test card of employing when violated thing safety check system carries out index test at the bottom of existing car, the purpose of this utility model is to provide a kind of Dynamic Vehicle base map image sharpness test card detecting for prohibited items safety check system at the bottom of car, this test card is simple in structure, be easy to realize, controllability is high, can greatly improve detection efficiency.
In order to achieve the above object, the utility model adopts following technical scheme:
A kind of Dynamic Vehicle base map image sharpness test card detecting for prohibited items safety check system at the bottom of car, described car base map image sharpness test card comprises several different size aluminum step wedge or ladder module, wherein the module of every 3 same specifications is that spacing is lined up square test cell according to its width, and at the square test cell of the transversely different size of test card equidistantly anyhow alternately, test card longitudinally on by the square test cell of same specification equidistantly anyhow alternately.
In the preferred version of this test card, described test card comprises 8 kinds of different size aluminum step wedge or ladder modules, and the specification of 8 kinds of aluminum step wedge or ladder modules comprises 400mm * 80mm * 80mm, 350mm * 70mm * 70mm, 300mm * 60mm * 60mm, 250mm * 50mm * 50mm, 200mm * 40mm * 40mm, 150mm * 30mm * 30mm, 100mm * 20mm * 20mm and 50mm * 10mm * 10mm.
Further, the planar dimension of described test card is 2000mm * 1970mm.
The test card that this programme provides can support the Function detection relevant with image collection assembly at the bottom of car and performance index to detect simultaneously, its controllability is high, repeatable strong, and greatly improve detection efficiency, thereby the productivity ratio of violated thing safety check system at the bottom of raising car, and simple in structure, implementation method is easy, simple operation.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, further illustrate the utility model.
Fig. 1 is the Facad structure schematic diagram of car base map image sharpness test card in the utility model;
Fig. 2 is the side schematic view of car base map image sharpness test card in the utility model;
Fig. 3 is the use view of car base map image sharpness test card in the utility model.
Embodiment
For technological means, creation characteristic that the utility model is realized, reach object and effect is easy to understand, below in conjunction with concrete diagram, further set forth the utility model.
Referring to Fig. 1 and Fig. 2, structural representation for the novel Dynamic Vehicle base map image sharpness test card detecting for prohibited items safety check system at the bottom of car providing is provided for it.
As seen from the figure, this car base map image sharpness test card 400 consists of some different size aluminum step wedge or ladder modules 401 of stationary distribution.
Concrete, this car base map image sharpness test card 400 comprises 8 kinds of different size aluminum step wedge or ladder modules 401, and wherein the specification of aluminum step wedge or ladder module comprises 400mm * 80mm * 80mm, 350mm * 70mm * 70mm, 300mm * 60mm * 60mm, 250mm * 50mm * 50mm, 200mm * 40mm * 40mm, 150mm * 30mm * 30mm, 100mm * 20mm * 20mm and 50mm * 10mm * 10mm.The aluminum step wedge or ladder module 401 of every kind of specification all has some, specifically determines according to the actual requirements, and as an example, shown in Fig. 1, in scheme, the aluminum step wedge or ladder module 401 of every kind of specification has 12.
When forming car base map image sharpness test card 400, by 3 aluminum step wedge or ladder modules in the aluminum step wedge or ladder module 401 of every kind of specification, according to its width, be that spacing is lined up square test cell 402 (module that is every 3 same specifications is that spacing is lined up square test cell according to its width), the aluminum step wedge or ladder module of this every kind of specification, will form several square test cells 402.Based on above-mentioned example, the aluminum step wedge or ladder module 401 of every kind of specification has 12, thus shown in Fig. 1 in scheme the aluminum step wedge or ladder module 401 of every kind of specification will form four square test cells.
Moreover, at transversely 8 kinds of formed square test cells of different specification modules of test card equidistantly anyhow alternately.
Be specifically as follows test card transversely by 8 kinds of formed square test cells of different specification modules, according to size, (can for increasing progressively successively or successively decreasing successively) equidistantly anyhow alternately successively.Be horizontal every row of test card, by the square test cell (each square test cell forming according to every kind of different size module) of 8 and different size according to dimensions size successively equidistantly anyhow alternately.
Meanwhile, test card longitudinally on by formed some square test cells of specification module of the same race equidistantly anyhow alternately, its specification of square test cell on longitudinal row is identical, but direction is different anyhow, alternate successively.
The test card forming thus, its planar dimension is 2000mm * 1970mm, and the detection faces being formed by 8 kinds of different size aluminum step wedge or ladder modules 401 is uneven, and distributes according to certain rule, the situation that can simulate accurately framework at the bottom of car, can greatly improve the accuracy of detection thus.
When concrete detection, be installed on support 300 the some test cards 400 that form according to such scheme are nested in the same way, and be covered with whole support, for assessment of the definition (as shown in Figure 3) of collection image at the bottom of the car of system.
More than show and described basic principle of the present utility model, principal character and advantage of the present utility model.The technical staff of the industry should understand; the utility model is not restricted to the described embodiments; that in above-described embodiment and specification, describes just illustrates principle of the present utility model; do not departing under the prerequisite of the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall within the scope of claimed the utility model.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (3)
1. the Dynamic Vehicle base map image sharpness test card detecting for prohibited items safety check system at the bottom of car, it is characterized in that, described car base map image sharpness test card comprises several different size aluminum step wedge or ladder module, wherein the module of every 3 same specifications is that spacing is lined up square test cell according to its width, and at the square test cell of the transversely different size of test card equidistantly anyhow alternately, test card longitudinally on by the square test cell of same specification equidistantly anyhow alternately.
2. a kind of Dynamic Vehicle base map image sharpness test card detecting for prohibited items safety check system at the bottom of car according to claim 1, it is characterized in that, described test card comprises 8 kinds of different size aluminum step wedge or ladder modules, and the specification of 8 kinds of aluminum step wedge or ladder modules comprises 400mm * 80mm * 80mm, 350mm * 70mm * 70mm, 300mm * 60mm * 60mm, 250mm * 50mm * 50mm, 200mm * 40mm * 40mm, 150mm * 30mm * 30mm, 100mm * 20mm * 20mm and 50mm * 10mm * 10mm.
3. a kind of Dynamic Vehicle base map image sharpness test card detecting for prohibited items safety check system at the bottom of car according to claim 2, is characterized in that, the planar dimension of described test card is 2000mm * 1970mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420430159.2U CN204013931U (en) | 2014-07-31 | 2014-07-31 | A kind of Dynamic Vehicle base map image sharpness test card detecting for prohibited items safety check system at the bottom of car |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420430159.2U CN204013931U (en) | 2014-07-31 | 2014-07-31 | A kind of Dynamic Vehicle base map image sharpness test card detecting for prohibited items safety check system at the bottom of car |
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| Publication Number | Publication Date |
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| CN204013931U true CN204013931U (en) | 2014-12-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420430159.2U Active CN204013931U (en) | 2014-07-31 | 2014-07-31 | A kind of Dynamic Vehicle base map image sharpness test card detecting for prohibited items safety check system at the bottom of car |
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| CN (1) | CN204013931U (en) |
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2014
- 2014-07-31 CN CN201420430159.2U patent/CN204013931U/en active Active
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