5results about How to "Avoid Radiation Effects" patented technology

The utility model relates to the technical field of high-speed green channel detection, and discloses a highway intelligent green channel rapid detection system, which is characterized in that one side of a safety island is provided with a transmitting terminal cabinet, the other side of the safety island is provided with a receiving terminal cabinet horizontally opposite to the transmitting terminal cabinet, the middle part of the body of the transmitting terminal cabinet is provided with a radiation source, and the radiation source is connected with the receiving terminal cabinet. And a radiation dose monitoring mechanism is arranged at the upper end of the machine body of the transmitting terminal cabinet in a penetrating manner. According to the utility model, when cargo detection is carried out on passing green channel vehicles, the rotation driving assembly in the radiation dose monitoring mechanism is used for driving the rotation of the radiation dose monitor, and the lifting driving assembly is used for driving the lifting of the radiation dose monitor; according to the invention, mechanical autonomous circumferential monitoring and height monitoring can be carried out on radiation generated by emission of the emission terminal cabinet, a traditional manual monitoring mode is replaced, radiation influence caused by direct approaching of a worker is avoided, and the safe usability of the detection system is improved.

The invention relates to the technical field of power generation, and provides a fuel built-in generator which comprises an engine and a linear motor, a reactor and a heat exchanger are arranged in the engine, the engine is arranged to form an axial temperature gradient, shielding layers are arranged on the outer side of the reactor and the outer side of the heat exchanger, and the linear motor is arranged in the reactor. A communicating channel extending in the axial direction of the engine is arranged in the engine, and a cavity is formed in a fuel area of the reactor; the linear motor comprises a piston, a cylinder body and an electromagnetic component, the communicating channel communicates with the cylinder body and the cavity, and the piston can reciprocate in the cylinder body so that the magnetic flux of the electromagnetic component can be changed. According to the generator with the built-in fuel, the reactor is arranged in the engine, and the shielding layer is arranged on the outer side of the reactor, so that the influence of radiation on the electromagnetic component is reduced.

The embodiment of the invention relates to the technical field of computer-aided simulation, in particular to a method for rapidly determining a radiation field before and after reactor item cutting, and the method comprises the following steps: S1, obtaining geometric parameters and physical attribute parameters of a reactor; s2, determining a digital model of the reactor according to the geometric parameters and the physical attribute parameters of the reactor; s3, determining a radiation source of the reactor according to the digital model; and S4, determining a radiation field in the reactor according to the radiation source. According to the method provided by the embodiment of the invention, the radiation field in the reactor is determined according to the digital model of the reactor, and a worker does not need to enter the high-radiation reactor, so that the worker can be prevented from being influenced by radiation.

The invention relates to the field of safety management of constructional engineering, in particular to a hospital intelligent construction management system based on BIM, and the system comprises an environment analysis unit which is used for determining an environment danger characterization value according to a construction complexity coefficient and an equipment conflict coefficient, and determining the region type of each monitoring region according to the environment danger characterization value; the generation and analysis unit is used for judging an area generation mode according to the staying degree of the personnel; the region division unit is used for responding to different region confirmation conditions to correspondingly determine monitoring regions; the safety monitoring unit is used for determining whether the target person is a key monitoring person according to the person behavior abnormal value and the danger coefficient of the corresponding working range, and determining a corresponding associated person according to the safety distance between the key monitoring person and other target persons; information data of the key monitoring personnel and the corresponding associated personnel are uploaded to a data storage unit; the safety management efficiency in the construction process is improved.

This application belongs to the technical field of interventional surgical robot equipment, and relates to a rapid-exchange instrument-controlled automatic surgical robot, including a frame, a first drive device, a second drive device, a rapid-exchange instrument, a guidewire, and a first catheter. The first drive device is movably mounted on the frame and is equipped with a guidewire clamping mechanism and a sensor. The second drive device is movably mounted on the frame. The first drive device is used to clamp the first catheter, with at least a portion of the guidewire passing through the first catheter, and the guidewire is sequentially clamped by the guidewire clamping mechanism and the second drive device. The rapid-exchange instrument is at least partially sleeved on the guidewire, and initially, the rapid-exchange instrument is clamped by the second drive device. The technical solution provided by this application can simplify surgical operations, shorten surgical time, and avoid radiation exposure to the operator.