Device reducing radiation leakage during screening machine luggage passing process

Abstract

The invention provides a device reducing radiation leakage during a screening machine luggage passing process. The device reducing the radiation leakage during the screening machine luggage passing process comprises a case, a conveying belt and a first shielding curtain arranged at the inlet of the case and the outlet of the case. The inner side or the outer side of the first shielding curtain is connected with a second shielding curtain which connected with the case, the lower end of the second shielding curtain extends downward to the upper surface of the conveying belt, and a sealed space is formed between the first shielding curtain and the second shielding curtain. In a screening machine, the second shielding curtain is added at the inner side or the outer side of the first shielding curtain, and the sealed space is formed between the first shielding curtain and the second shielding curtain, so that when the screening machine is arranged in the occasion with large visitor flow rate and dense crowds, and luggage passes through the screening machine one by one closely, the first shielding curtain or the second shielding curtain is in a completely laying-down state, the leakage amount of the X rays inside the case during the process of luggage passing process is greatly reduced, health of staff around the screening machine (especially operating staff) is ensured, and the device reducing the radiation leakage during the screening machine luggage passing process has a significant meaning.

Description

technical field [0001] The invention relates to a safety detection device based on X-rays, in particular to a device for reducing radiation leakage during the luggage passing process of a safety inspection machine. Background technique [0002] Security inspection machine, also known as security inspection instrument, luggage security inspection machine, channel X-ray machine, X-ray security inspection instrument, etc., is an electronic device that completes the inspection by sending the checked luggage into the X-ray inspection channel by means of a conveyor belt. Its working principle is: luggage enters the X-ray inspection channel, triggers the package detection sensor, and the detection signal is sent to the system control part to generate an X-ray trigger signal, which triggers the X-ray source to emit X-ray beams. A fan-shaped X-ray beam passing through the collimator passes through the inspected items on the conveyor belt, the X-rays are absorbed by the inspected item...

AI Technical Summary

Problems solved by technology

[0004] However, for occasions such as subway stations, stations, etc., due to the large and dense flow of people, during the security check, the luggage enters the security inspection machine one by one next to each other, causing X-rays to be generated inside the security inspection machine. At the same time, the X-ray shielding curtain It has not been fully put down, resulting in a gap between itself or the security inspection machine casing, or although the shielding curtain is fully put down, there is still a gap in itself, which will cause X-rays to leak through the gap, thereby causing harm to surrounding personnel. impact, especially for operators who have been standing next to the security inspection machine for a long time

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