35 results about "Radiation level" patented technology

The embodiment of the invention provides a dual-polarization indoor distribution antenna, and belongs to the antenna communication equipment technology, the dual-polarization indoor distribution antenna comprises a vertical polarization radiation unit and a horizontal polarization radiation unit, the vertical polarization radiation unit comprises a grounding plate and a conical radiation oscillator arranged on the grounding plate, the conical radiation oscillator is used for being excited to radiate vertical polarization electromagnetic waves; the horizontally polarized radiation unit comprises a plurality of radiation subunits, the plurality of radiation subunits are sequentially arranged around the peripheral side of the conical radiation oscillator, a radiation gap is formed between every two adjacent radiation subunits, and the radiation gaps are used for being excited to radiate horizontally polarized electromagnetic waves; the orthographic projection of the radiation subunit on the grounding plate is located in the grounding plate. According to the dual-polarization indoor distribution antenna provided by the embodiment of the invention, broadband coverage can be realized, and the multi-band requirement of an indoor communication system is met.

This application provides a communication method, apparatus, storage medium, and computer program product. The communication method includes: in response to the influence of the Maximum Allowable Radiation Level (MPE) on a terminal device, recording radiation impact information caused by the MPE; receiving a first Radio Resource Control (RRC) reconfiguration message from a source base station; recording a measurement report from the terminal device; and sending the measurement report and the radiation impact information to the source base station. Using this application embodiment can reduce the impact of MPE on mobility and improve the handover success rate.

This invention relates to the field of radiation early warning technology, specifically to an early warning system for the radiation impact on the environment surrounding a proton therapy system. The system includes a radiation monitoring data acquisition module, a radiation spatial distribution generation module, a radiation risk level determination module, a radiation leakage analysis module, a dynamic risk information notification module, and a treatment optimization suggestion module. In this invention, by real-time monitoring and data integration of the radiation monitoring environment, the response speed and accuracy of radiation safety early warning are improved. By utilizing spatial data and radiation intensity information, a detailed radiation distribution map can be constructed, making risk assessment more intuitive and easier to understand. Accurate assessment of radiation risk allows for specific and targeted protective measures, and potential leakage points are classified according to radiation level deviations. Dynamic notification of risk information ensures that treatment personnel receive critical safety alerts in a timely manner, optimizing the treatment process and reducing the radiation risk to patients.

A system for monitoring ultraviolet (UV) exposure of a wearer. The system comprises a wearable device operable to sense UV radiation levels to which the wearer is exposed, and to transmit UV radiation information. The system further comprises an external computing device in remote communication with the wearable device, operable to receive the UV radiation information from the wearable device and configured to determine the wearer's real-time UV index value and the wearer's daily cumulative percentage of minimal erythema dose based upon the UV radiation information.

Effective radioactive waste management will be implemented to ensure that radiation levels do not harm the environment or all forms of living organisms. [Solution] An apparatus and method positioned in close proximity to a radiation source to receive radiation from a radioactive material and configured to return the received radiation back to the source comprises at least one reflective means that partially reflects radiation, thereby effectively reducing the leakage of radiation emitted from the radiation source.

The double-station radioactive filter element transfer device comprises a vehicle body, a winding device, a three-jaw automatic centering mechanism and a corrugated pipe sealing sleeve, a shielding case is installed on the vehicle body, and a shielding door is formed in the side face of the shielding case; the interior of the shielding cover and the vehicle body are divided into a first station and a second station, the first station and the second station both comprise round holes formed in the vehicle body, and cover plates are arranged on the round holes; a shielding cylinder is arranged at the position corresponding to the first station. The transferring method comprises the following steps that S1, the shielding cover plate and the shielding plug are hoisted; the new filter element is transferred to a station II; s2, grabbing an old filter element; and S3, replacing the old filter element with a new filter element. By adopting a double-station method, aerosol of the pit filter can be prevented from overflowing in the replacement process, the radioactive sealing containing boundary of the pit filter is guaranteed, the filter element can be rapidly replaced, the shielding cylinder is shielded by a lead layer, and it is guaranteed that the radiation level of personnel is controllable.

The invention relates to the technical field of radiation detection, and particularly discloses a patrolling device for hospital radiation health protection detection, which comprises a detection shell, a radiation detection module, an airborne radioactivity monitoring module, a man-machine interaction module and a control unit are integrated in the detection shell, and the airborne radioactivity monitoring module comprises a detection fan and a specially designed air duct. A cyclone effect can be generated to enrich aerosol, and the control unit adaptively adjusts the rotating speed of the fan according to the real-time radiation level and controls the display light bar and the vibration module to provide visual and tactile alarms matched with the risk level and direction; by arranging the speed-adjustable detection draught fan and the cyclone separation structure, the airflow speed can be dynamically adjusted according to the radiation level, selective enrichment of airborne radioactive substances is achieved, the centrifugal enrichment effect is enhanced by increasing the wind speed under the low-concentration condition, and the detection sensitivity and response speed of equipment to airborne radioactivity are remarkably improved.

1. The name of the design product: ionizing radiation dose alarm. 2. The use of the design product: the design product is based on single-chip microcomputer technology, used for real-time monitoring of ionizing radiation (such as X-rays, gamma rays, beta rays, etc.) dose, and issuing an alarm when the radiation level exceeds the preset threshold. It is a portable instrument for ensuring the safety of personnel in a radiation environment. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view.

The present application relates to the technical field of nuclear power plants, and particularly relates to a radiation signal monitoring apparatus and method for a nuclear power plant, and an electronic device and a storage medium. The radiation signal monitoring apparatus for a nuclear power plant in the embodiments of the present application comprises a power supply module, a radiation detector, a processing control module, a monitoring indication module and an integrated module, wherein the radiation detector is divided into a low-dose detection branch and a high-dose detection branch, which are respectively equipped with corresponding sensitive elements and signal conditioning modules, so as to adapt to radiation environments having different dose rates; the processing control module is responsible for selecting an appropriate detection branch on the basis of a radiation level, and generating a monitoring indication signal; and the monitoring indication module receives the signals and executes a monitoring response operation. By means of the unified management by an integrated module, effective monitoring of wide-range radiation signals is realized without significantly increasing the complexity and cost of a system. In this way, radiation signals within a relatively wide range can be effectively collected without significantly increasing the complexity and cost.

Examples disclose a method, performed by a backscatter signal receiving node of a communication network, for receiving and decoding a backscatter signal produced by a wireless backscatter device by modulating incoming radiation, wherein the communication network comprises a plurality of nodes, including the backscatter signal receiving node and an emitter node, communicating in accordance with a predefined protocol, the method comprising upon an ambient radiation at the wireless backscatter device being insufficient for the backscatter signal receiving node to receive and decode the backscatter signal, sending, by the backscatter signal receiving node to the emitter node, a message triggering the emitter node to emit radiation that will increase a radiation level at the wireless backscatter device. Further examples disclose a method performed by the emitter node. Moreover, examples disclose a backscatter signal receiving node and an emitter node.

The utility model relates to the technical field of anti-radiation shielding, in particular to an anti-radiation shielding device of medical imaging equipment. The utility model provides an anti-radiation shielding device for medical imaging equipment, which can give an alarm prompt when detecting that the radiation level exceeds a preset value, is convenient for related personnel to take actions quickly, and reduces potential radiation hazards to the greatest extent. An anti-radiation shielding device of medical imaging equipment comprises a mounting frame, an anti-radiation plate and the like, and the mounting frame is connected with the anti-radiation plate. The radiation level in the environment is monitored in real time through the radiation detector, once the detected radiation level exceeds a preset safety threshold value, the alarm lamp is immediately started to send visual and sound alarm signals to on-site personnel, and the purpose of giving an alarm prompt when the detected radiation level exceeds the preset value is achieved. Related personnel can take actions rapidly and conveniently, and potential radiation hazards are reduced to the maximum extent.

This invention provides a method for dismantling nuclear reactor equipment that improves the efficiency of sorting and managing metal powder generated during dismantling and tools used in dismantling, while also preventing sorting errors. [Solution] The method for dismantling a nuclear reactor facility includes the steps of: preparing a plurality of types of containers separated according to the radiation level of the contents; cutting an object to be cut located inside the containment vessel to generate cutting pieces; placing the cutting pieces into containers selected from the plurality of types of containers according to the radiation level of each cutting piece; and placing at least one of the metal powder generated when the cutting pieces were produced and the tools used to produce the cutting pieces into a container capable of accommodating the cutting piece with the highest radiation level.

The application relates to a radioactive waste classification method, device, equipment, storage medium and program product. The method comprises the following steps: detecting a first surface radiation level of target radioactive waste to be classified, and performing first classification on the target radioactive waste according to a comparison result of the first surface radiation level and a first surface radiation level threshold value, so as to determine an initial waste type of the target radioactive waste, wherein the initial waste type comprises a suspected extremely low level type and a low level type. If the initial waste type is the suspected extremely low level type, second classification is performed on the target radioactive waste according to a radioactive substance radiation decay rate of the target radioactive waste, so as to determine a decay type of the target radioactive waste. Third classification is performed on the target radioactive waste according to the decay type of the target radioactive waste, so as to determine a final waste type of the target radioactive waste, wherein the final waste type comprises an extremely low level type and a low level type. The classification result obtained by the method is more accurate.

The invention discloses a multi-source data-based smoke furnace rainfall enhancement operation condition discrimination method and system, and the method comprises the steps: obtaining the multi-source meteorological data and rainfall enhancement indexes of a preset smoke furnace, obtaining the cloud cover and cloud conditions based on the multi-source meteorological data, effectively raising the wind speed and the conveying wind direction, and obtaining the rainfall enhancement operation condition of the preset smoke furnace. The method comprises the following steps: acquiring atmospheric stability of a cloud region based on a solar radiation level, a cloud amount and a horizontal wind speed component of three-dimensional wind speed data, predicting a space-time point location of a low cloud cluster arriving at an operation hillside according to atmospheric stability grading based on a cloud region image, performing space overlapping calculation on a transmission wind direction and the space-time point location, and obtaining a target precipitation enhancement region. And the lifting efficiency is calculated according to the effective lifting wind speed and the smoke release amount, and the operation conditions of the target precipitation increasing area are judged based on the lifting efficiency, the atmospheric stability, the cloud amount and the cloud thickness. According to the method, the atmospheric stability and the operation cloud condition are used for comprehensively judging the operation condition of smoke furnace precipitation enhancement, the precipitation enhancement operation precision is improved, and meanwhile good interpretability is achieved.

The invention relates to the technical field of radiation detection, in particular to an intelligent bracelet type radiation monitoring method and system, and the method comprises the following steps: installing a radiation detector in intelligent bracelet type equipment, continuously monitoring the radiation level in an environment, converting detection data into a digital signal through analog, analyzing the fluctuation range of the data, and obtaining a radiation data set. According to the method, the distance of the radiation source is estimated by constructing the attenuation model, more specific environment information and an instant monitoring and alarm mechanism are provided, and remarkable improvement, classification of radiation levels and estimation of the distance of the radiation source are provided in the aspects of real-time performance and personalized safety management, so that a user can know the radiation environment where the user is located more accurately, and the user experience is improved. And the design of the built-in reflective lead plate further enhances the radiation shielding capability of the intelligent bracelet equipment, and is particularly important for individuals working in a high-radiation environment.

The present application relates to the technical field of ionizing radiation measurement, and particularly relates to a regional radiation monitor and an ionizing radiation monitoring method, which comprises the following steps: obtaining the radiation energy value, the environmental temperature value and the environmental humidity value of each monitoring point in each sampling moment in a radiation monitoring region, determining the relative radiation energy value of each monitoring point in each sampling moment, determining the radiation level and the radiation energy fluctuation factor of each monitoring point, determining the radiation grade of the monitoring region corresponding to each monitoring point, clustering the monitoring regions corresponding to all monitoring points according to the difference between the radiation grades of the monitoring regions corresponding to any two monitoring points, obtaining several radiation cluster regions, obtaining the radiation risk degree of each radiation cluster region, and dividing the risk of each radiation cluster region. The present application can improve the effectiveness and accuracy of radiation monitoring by accurately dividing the risk of each monitoring region.

The embodiment of the application provides a dual-polarized indoor antenna, and belongs to the technical field of antenna communication equipment. The dual-polarized indoor antenna comprises a vertical polarization radiation unit and a horizontal polarization radiation unit. The vertical polarization radiation unit comprises a ground plate and a conical radiation oscillator arranged on the ground plate, and the conical radiation oscillator is used for exciting and radiating vertical polarization electromagnetic waves. The horizontal polarization radiation unit comprises a plurality of radiation subunits, the plurality of radiation subunits are sequentially arranged around the outer circumferential side of the conical radiation oscillator, a radiation gap is formed between two adjacent radiation subunits, and the radiation gap is used for exciting and radiating horizontal polarization electromagnetic waves. The orthographic projection of the radiation subunit on the ground plate is located in the ground plate. The dual-polarized indoor antenna provided by the embodiment of the application can realize wide-band coverage and meet the multi-frequency band requirement of an indoor communication system.

This application provides a TSN system for nuclear power environments. The TSN system includes a TSN switch, on which an environmental monitoring module, a security authentication module, and a scheduling module are deployed. The environmental monitoring module is configured to: monitor the radiation level of the communication environment and send the radiation level data to the security authentication module and the scheduling module; the security authentication module is configured to: perform a security check on the received information; if the security check passes, obtain the security level of the information based on the security level of the terminal device sending the information; select a corresponding encryption algorithm to decrypt the information based on the radiation level to obtain the encapsulated service instructions; the scheduling module is configured to: perform deep packet inspection on the service instructions to obtain the service type matching the service instructions; allocate the service priority of the information corresponding to the service instructions based on the timeliness level of the service type; and map the information to the output queue based on the radiation level, the service priority of the information, and the security level.

The invention relates to a catheter for detecting radiation. Specifically, interstitial brachytherapy is a cancer treatment in which an afterloading machine is used to place radioactive substances directly in target tissue at an affected site. The accuracy of this placement is monitored in real time using a catheter that locates the location of the radioactive substance as a function of the radiation level measured by the sensor in the catheter wall. A scintillator embedded in the catheter wall generates light when irradiated by a radioactive substance. This light is proportional to the level of radiation at each location. The light generated by each scintillator is transmitted through an optical fiber and then converted into an electrical signal proportional to the light and radiation level at each location. And positioning the position of the radioactive substance according to the plurality of electric signals. The position can be used as quality control feedback to the afterloading machine.

The present disclosure is for a dosimetry device which produces immediate readings of radiation levels that are easily discernible, do not require electronic components (e.g., digital readouts, batteries, etc.), and are not subjective. Instead of requiring such components or deciphering a change in color, the dosimetry device of the present disclosure identifies radiation exposure through an identifier that changes from an apparently colorless (i.e., clear, blank, non-existent) visual identifier to a visibly present identifier (as compared to a change in color) or via a change relative to a masking substrate or background.

The invention discloses an array antenna which comprises a polarization conversion metasurface layer at the top, an electromagnetic gap excitation layer arranged below the polarization conversion metasurface layer and a reflection surface layer arranged at the bottom. The polarization conversion metasurface layer comprises metal microstructures arranged in a chessboard mode. The reflecting surface layer comprises a plurality of electromagnetic band gap reflecting units which are arranged in an array. According to the invention, the broadband impedance matching performance of the antenna can be obviously optimized, high efficiency and broadband radiation are realized, the back lobe radiation level of the antenna is effectively reduced, the gain is improved, and the impedance bandwidth of the antenna is widened.

The invention discloses a multi-electrode-pair conductivity instrument and a maintenance system, and relates to the technical field of nuclear industry. The multi-electrode pair conductivity meter is applied to the mixing and clarifying tank and comprises a meter sensing assembly which is installed in an equipment chamber of the mixing and clarifying tank and comprises a meter rod and a meter probe arranged at one end of the meter rod; at least two electrode pairs with different conductance cell constants are integrated in the instrument probe so as to cover different conductivity measuring ranges; and the instrument transmitter is located in the target area and connected with the instrument sensing assembly through an irradiation-resistant cable, and the radiation level of the target area is lower than that of the equipment room. According to the embodiment of the invention, the multi-electrode pair conductivity meter can effectively cover the measurement range of the conductivity under the two working conditions of an organic phase and a water phase, and the adaptability of the meter is remarkably expanded.

The invention relates to the technical field of ionizing radiation measurement, in particular to a regional radiation monitor and an ionizing radiation monitoring method, and the method comprises the steps: obtaining a radiation energy value, an environment temperature value and an environment humidity value of each monitoring point in a radiation monitoring region at each sampling moment, the processing unit is used for determining the relative radiation energy value of each monitoring point at each sampling moment, thereby determining the radiation level and the radiation energy fluctuation factor of each monitoring point, further determining the radiation level of the monitoring area corresponding to each monitoring point, and determining the radiation level of the monitoring area corresponding to any two monitoring points according to the difference between the radiation levels of the monitoring areas corresponding to any two monitoring points. And clustering the monitoring areas corresponding to all the monitoring points to obtain a plurality of radiation cluster areas, obtaining the radiation danger degree of each radiation cluster area, and carrying out risk division on each radiation cluster area. According to the invention, accurate risk division is carried out on each monitoring area, so that the effectiveness and accuracy of radiation monitoring are improved.

The invention is suitable for the technical field of production safety, and provides a data processing method and system based on a radiation safety supervision platform, and the method comprises the steps: obtaining the real-time radiation value information of a peripheral region of a radiation source based on a radiation dosimeter, precisely comparing the real-time radiation value information with preset alarm threshold information, and carrying out the precise comparison of the real-time radiation value information and the preset alarm threshold information. And if the real-time radiation value information is greater than or equal to the alarm threshold value information, quickly generating safety alarm information. According to the invention, on-site workers can timely and clearly know the radiation environment where the workers are located, so that the health risk of the workers is remarkably reduced, the overall safety of the working place is greatly improved, necessary protection measures can be rapidly taken when the radiation level is abnormal, and the working efficiency is improved. The safety and health of on-site workers are ensured, and a safer working environment can be constructed.

The invention relates to a transportation system for radioactive waste barrels and a transportation method thereof, the transportation system comprises an open top type transportation container, a plurality of transportation containers and a tying assembly used for rapid positioning and stable installation, and the transportation containers are provided with base structures capable of being matched with forklift operation. The tying assembly is provided with a plurality of square spaces and corner pieces matched with the container bases, and therefore the multiple containers can be arranged at equal intervals and tied and fixed. The invention further discloses a transportation method, the mathematical model of the radiation level at the position 2 meters away from the transportation container is constructed by measuring the radiation level of the outer surface of the transportation container and combining the center distance and the arrangement mode of the container, the loading scheme is optimized according to the calculation result, and it is ensured that the requirement for the radiation dose limit value is met. The transportation system and method are suitable for full-load or non-full-load situations, have good protection performance, loading and unloading efficiency and field adaptability, and are particularly suitable for batch safe transportation of low-level radioactive waste in nuclear facilities.

The embodiment of the invention relates to the field of electric digital data processing, in particular to a two-dimensional shielding design method and system of a pool type sodium-cooled fast reactor and a computer storage medium. According to the method and the system, accurate source item data can be provided for determining two-dimensional shielding data by determining the reactor core radioactive source intensity of the pool type sodium-cooled fast reactor; by constructing the two-dimensional model representing the radioactive source intensity, the actual layout of a reactor can be accurately reflected, the authenticity of a radiation transport path is ensured, continuous source items can be discretized by dividing the two-dimensional model into grids, and preparation is made for numerical calculation, so that designers can determine the radiation level and optimize a shielding design scheme before construction, and the design efficiency is improved. The experiment and debugging cost is reduced, and the safety and economical efficiency of the reactor are improved.

The present application relates to a kind of radiation grade determination method, device, electronic equipment and computer storage medium, it includes: the depth information of target image is obtained, wherein the target object in target image includes ray source, moving object and fixed object;Determine the first space region of moving object currently based on the depth information of target image, and determine the second space region formed by the radiation ray emitted by ray source;Determine the interactive region of first space region and second space region;Determine the current distance of moving object and ray source, and determine the radiation level in current interactive region based on current distance.The present application can guide the station of medical staff according to the radiation level in interactive region, guarantee the safety of medical staff.

The utility model relates to the technical field of radiotherapy dose detection, and discloses a portable radiotherapy dose rapid detection indicator which comprises a box body, and the top of one side of the box body is rotatably connected with a box cover through a first rotating shaft. According to the portable radiotherapy dose rapid detection indicator, through cooperative use of the first rotating plate, the connecting block and the second rotating plate, when the detection device main body needs to be used, the detection device main body can be lifted, and through cooperative use of the detection device main body and the supporting mechanism, the second rotating plate can be stably supported; through the arrangement, the detection device main body can move according to requirements, so that a continuous and real-time monitoring function is provided, and the radiation dosage received by a patient or the radiation level of the surrounding environment can be continuously monitored, so that data updating is more timely, and medical personnel can better customize a medical scheme.