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Ultra-low-dose X-ray human body security inspection system with double exchange platforms

A human body security inspection and X-ray technology, which is applied in measuring devices, foreign matter detection, nuclear radiation exploration, etc., can solve the problems of long per capita inspection cycle, increased purchase cost, uneconomical, etc., and save equipment purchase cost and occupied space and space, save power consumption, and improve inspection capabilities

Inactive Publication Date: 2012-09-19
SHENZHEN LIMING ADVANCED IMAGING TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

It takes at least 15 seconds to inspect a human body, so the inspection efficiency is low and the inspection cycle per capita is long
For densely populated airports, subway entrances, etc., it is necessary to set up multiple such devices, and because of its high price, the price of a single device is more than 1 million yuan, and the configuration of multiple devices needs to occupy a large amount of space and increase a lot of purchase costs. It is uneconomical and impractical, and it is difficult to promote and apply it on a large scale
[0003] On the other hand, in the above-mentioned system, the manned skateboard is dragged by the conveyor belt to realize reciprocating movement. Since the conveyor belt is flexible, its reciprocating speed cannot be very uniform, and the middle part of the conveyor belt will inevitably sink under heavy load, causing the When inspectors pass through the X-ray scanning area, they do not actually move in a straight line at a uniform speed, thus affecting the imaging effect

Method used

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  • Ultra-low-dose X-ray human body security inspection system with double exchange platforms
  • Ultra-low-dose X-ray human body security inspection system with double exchange platforms
  • Ultra-low-dose X-ray human body security inspection system with double exchange platforms

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] refer to Figure 1 to Figure 7 , the ultra-low-dose X-ray human body security inspection system with double exchange platforms of the present invention includes an X-ray source 10, a collimation component 20, an inspection channel 30, an X-ray detector 40, an image acquisition and processing device 50, a control device 60 and an operation Console 70. Such as figure 1 As shown, the inspection channel 30 includes an entrance 31 , an exit 32 and a mobile inspection platform 33 , the entrance 31 and the exit 32 are respectively located on the front left side and the rear right side of the mobile inspection platform 33 . The X-ray source 10 is installed in the rear center of the mobile inspection platform 33, which generates ultra-low dose X-rays. The front part of the X-ray source is equipped with a collimating part 20, and the collimating part extends from the output end of the X-ray source 10 to the rear side of the mobile inspection platform 33. An X-ray detector 40 i...

Embodiment 2

[0037] The basic structure of this embodiment is the same as that of Embodiment 1, except that the gear transmission between the two upper large gears 3353 and the two lower large gears 3354 of the platform driving mechanism is replaced by a belt transmission mechanism.

[0038] Such as Figure 7 , Figure 8 The platform driving mechanism 335 includes a reduction motor 3351, a driving gear 3352, two upper gears 3353 meshing with the first rack 3312 or the second rack 3322 on the first platform or the second platform respectively, two lower gears 3353, The bull gear 3354 and four pinion gears 3355 meshing with the upper bull gear 3353 and the lower bull gear 3354 respectively are provided with a belt transmission mechanism 3357 between the two upper bull gears 3353 and the two lower bull gears 3354. The mechanism includes a driving pulley 35571, two driven pulleys 35572 and a belt 35573. The driving pulley 35571 is installed on the motor shaft of the reduction motor 3351 on th...

Embodiment 3

[0040] The basic structure of this embodiment is the same as that of Embodiment 1, except that the gear transmission between the two upper large gears 3353 and the two lower large gears 3354 of the platform driving mechanism is replaced by a belt transmission mechanism.

[0041] Such as Figure 9The platform driving mechanism 335 includes a reduction motor 3351, a driving gear 3352, two upper gears 3353 meshing with the first rack 3312 or the second rack 3322 on the first platform or the second platform respectively, two lower gears 3353, The bull gear 3354 and four pinion gears 3355 meshing with the upper bull gear (3353) and the lower bull gear 3354 respectively, are provided with a sprocket transmission mechanism 3358 between the two upper bull gears 3353 and the two lower bull gears 3354, The sprocket transmission mechanism includes a driving sprocket 35581, two driven sprockets 35582 and a chain 35583. The driving sprocket 35581 is mounted on the motor shaft of the reduct...

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Abstract

The invention relates to an ultra-low-dose X-ray human body security inspection system with double exchange platforms, the system comprises an X-ray source, a collimation part, an inspection channel, an X-ray detector, an image acquisition and processing device, a control device and an operation console, wherein the inspection channel comprises an inlet, an outlet and a mobile inspection platform, the mobile inspection platform is a dual-circulation platform and comprises a first platform, a second platform, two upper tracks, two lower tracks, a platform driving mechanism, a platform lifting link mechanism and a base, the first platform and the second platform are respectively movably mounted on the upper tracks and the lower tracks and move along the reverse directions of the upper tracks and the lower tracks under the drive of the platform driving mechanism arranged on the outer side, and the upper and the lower positions of the first platform and the second platform on the lower tracks and the upper tracks are exchanged through the platform lifting link mechanism after running in place at each time. The ultra-low-dose X-ray human body security inspection system can double improve the inspection capacity and the customs clearance efficiency, have smooth running, good linearity and uniform movement speed and greatly improve the X-ray inspection imaging quality.

Description

【Technical field】 [0001] The invention relates to public security inspection equipment used in airports, customs and other occasions where security inspection is required, in particular to an ultra-low-dose X-ray human body security inspection system with double exchange platforms that can effectively improve inspection efficiency. 【Background technique】 [0002] At present, terrorist activities and drug-trafficking crimes are becoming more and more rampant around the world, which seriously endanger the public safety and normal life order of the society. To this end, countries around the world have continuously strengthened their efforts to combat and prevent such criminal activities, such as strengthening security checks in important places such as airports and customs, and installing security check equipment for human bodies and bags at the entrances and exits of various important departments. For luggage, X-ray fluoroscopy imaging technology is mainly used at present. Fo...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01V5/00A61B6/12
Inventor 李立公张子挺胡光南史智博刘焰
Owner SHENZHEN LIMING ADVANCED IMAGING TECH
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