Abstract:
The present disclosure provides a system and method for inspecting an aircraft. A ray source and a detector locate at above and below of a fuselage of an aircraft, respectively. The ray source emits a beam of rays, which pass through the aircraft to be detected. The detector receives and converts the beam of rays that pass through the aircraft to an output signal, and generates a vertical transmission image in real time.
Abstract:
A movable ray inspection system used to be mounted in a container yard to inspect an object within a container is provided. The movable ray inspection system includes: a ray generator device (2) configured to emit a ray, a ray receiving device (6) configured to receive the ray, and at least one chamber (11,12,13) for receiving the ray generator device (2) and the ray receiving device (6) therein. Each of the at least one chamber (11,12,13) is configured to be a standard container or a chamber which has a same shape, a same size and a same structure as a standard container such that the movable ray inspection system is adapted to be stacked in the container yard.
Abstract:
The present invention discloses a container CT inspection system (100), including a scanning device (110), wherein the scanning device (110) includes a radioactive source device (111) and a detector array (112), the scanning device (110) further includes a first rail (113) and a second rail (114), which are respectively arranged on inner layer and outer layer, the radioactive source device (111) is arranged on the first rail (113), and the detector array (112) is arranged on the second rail (114). According to the present invention, the radioactive source device (111) and the detector array (112) are respectively supported by different rails (113, 114), which improves the situation that a ring-shaped rotating frame in the prior art needs to bear a very large load, and for each rail in the first rail (113) and the second rail (114), the strength requirements are greatly reduced relative to the ring-shaped rotating frame, therefore the processing difficulty is effectively reduced compared with the container CT inspection system in the prior art.
Abstract:
The present application, pertaining to the field of slow neutron detection, relates to a slow neutron converter (100) and a slow neutron detector (500). The slow neutron converter (100) includes a substrate (120), the substrate (120) including a plurality of holes (124) extending along a first direction and insulating walls (122) between the plurality of holes (124), wherein the plurality of holes are through holes. The slow neutron converter (100) further includes a boron layer (126) at least covering an exposed surface of the plurality of holes (124). The slow neutron converter and the slow neutron detector having the slow neutron converter according to the present disclosure are capable of maintaining a high slow neutron detection efficiency. In addition, the manufacturing complexity and manufacturing cost of the detector are reduced, and thus the effective, convenient and low-cost slow neutron detection is achieved.
Abstract:
Disclosed is a method and a device for security-inspection of liquid articles with radiations, which relate to the field of radiation inspection technology. The method comprises steps of acquiring original environment information, emitting radiation beams to transmit the liquid articles, receiving the radiation beams transmitted through the liquid articles to form multi-angle projection data, computing a radiation absorption coefficient of the liquid articles to be detected by inverse operation of the multi-angle projection data, based on the initial environmental information and the uniformity of the liquid articles, and comparing the radiation absorption coefficients with the preset data to get the relevant information of the liquid articles. Comparing with the prior art, the present invention is not subjected to affection of outer package of the liquid article, and is advantageous of high anti-jamming, high accuracy, high safety and reliability, low cost and small size.
Abstract:
The disclosure discloses a radiation inspection system and a radiation inspection method using the radiation inspection system. The radiation inspection system has a standard inspection mode and a rapid inspection mode, and comprises a stationary inspection equipment, which comprises a vertical viewing angle inspection device, the vertical viewing angle inspection device outputting a first radiation scanning ray in the standard inspection mode and outputting a second radiation scanning ray in the rapid inspection mode; and a movable inspection equipment, which is movable relative to the stationary inspection equipment and comprises a horizontal viewing angle inspection device, the horizontal viewing angle inspection device moving with the movable inspection equipment along a length direction of a vehicle to be inspected and outputting a third radiation scanning ray in the standard detection mode and being fixed and outputting a fourth radiation inspection ray in the rapid inspection mode, wherein the output energy and/or dose of the third radiation scanning ray is higher than that of the fourth radiation scanning ray. The disclosure can both achieve the penetration capability for radiation inspection of different vehicles and meet the passing rate requirement of the vehicles.
Abstract:
The present invention discloses a photoneutron source and a neutron inspection system. The photoneutron source comprises: an electron accelerating tube for accelerating an electron beam; an X-ray converting target, wherein the electron beam accelerated by the electron accelerating tube bombards the X-ray converting target to generate X-rays; a photoneutron target, wherein the X-rays enters the photoneutron target to generates photoneutrons; and a neutron modulation housing provided outside the photoneutron target, wherein the neutron modulation housing comprises a neutron collimation port for outputting photoneutrons. The present invention may directly output a desired neutron beam from the neutron collimation port of the photoneutron source.
Abstract:
A slow neutron detection device is disclosed, comprising: a first slow neutron converter and a second slow neutron converter, and a readout electrode wire set and cathode wire sets arranged between the first slow neutron converter and the second slow neutron converter. By arranging a readout circuit between the two slow neutron converters, an electron drift distance is reduced by half without changing a dimension of the detection device, and an average over-threshold probability of a signal is increased.
Abstract:
The present disclosure discloses an in-vehicle detection system and power supply system and power supply controller, which relates to the power supply control field. The power supply system comprises a low-power generator; a battery pack for supplying power to the in-vehicle detection system; a charger electrically connected to the low-power generator and the battery pack, respectively; and a power supply controller electrically connected to the battery pack and the low-power generator, respectively. The present disclosure uses a low-power generator and a battery pack to substitute a high-power generator, which can reduce the requirement on a peak power of the generator by the in-vehicle detection system, and improve the efficiency of the power supply. In addition, since a low-power generator and a lithium battery pack are used to substitute the high-power generator, it is favorable to the lightweight design of the in-vehicle detection system, and meanwhile reduces noises and vibration, and is favorable to improving the user experience and performance metrics.