65 results about "Radiation shield" patented technology

This utility model relates to the field of experimental analytical instruments technology, and discloses an easy-to-clean experimental analytical instrument, including an analyzer body. A display is fixedly connected to the top of the analyzer body, control buttons are provided on the surface of the analyzer body, a rotating shaft is fixedly connected to the top of the analyzer body, a cover is fixedly connected to the surface of the rotating shaft, a rear plate is provided at the rear of the analyzer body, and support feet are fixedly connected to the bottom of the analyzer body. A limiting plate is fixedly connected inside the analyzer body. This utility model allows the curved plate to be rotated out from inside the limiting plate by pressing the handle. Under the action of a spring, the entire placement plate is removed from inside the analyzer body, facilitating subsequent cleaning and maintenance. By incorporating a radiation shield, the radiation generated inside the analyzer body during operation is isolated inside the analyzer body, preventing harm to the human body.

A method is for forming a radiation shield around an object. The method includes providing an inorganic paint pigment comprising a fluid matrix, and paint flakes carried within the fluid matrix. Each paint flake includes a common aluminum mirror layer having a first major surface and a second major surface opposing the first major surface, a first plasmonic aluminum reflector layer carried by the first major surface, and a second plasmonic aluminum reflector layer carried by the second major surface. The method also includes coating an outer surface of the object with the inorganic paint pigment.

This shelter provides a centralized storage or plant cultivation area for the movable shelves during normal times, and can be moved to the side to create a large open space in the center of the living area during emergencies. [Solution] The shelter 1 comprises a structure 3 located underground with a living space formed inside, a second door 31 having a radiation shielding function for entering and exiting the living space, a ventilation device for ventilating the living space, a plurality of movable shelves 42 including wheels, and guide means installed inside the living space for moving the plurality of movable shelves 42, the guide means being a rail 41 that guides the wheels, the plurality of movable shelves 42 being movable along the rail 42, and the plurality of movable shelves 42 being configured to move between a first state where they are located in the center of the living space and a second state where they are located towards the edge of the living space.

This utility model discloses an automatic welding device for radiation shielding panels, including an operation panel. A vertical plate is symmetrically arranged on the upper surface of the operation panel, and a first electric telescopic rod is symmetrically arranged on the opposite outer surface of the vertical plate. One end of the first electric telescopic rod is fixedly connected to a moving plate. This automatic welding device for radiation shielding panels, through the arrangement of the operation panel, mounting plate, motor, second electric telescopic rod, pressure plate, screw, and pressure plate, places the radiation shielding panel on the middle component of the operation panel. Activating the first electric telescopic rod on the vertical plate moves the moving plate closer to the radiation shielding panel, and the pressure plate presses and fixes both sides of the radiation shielding panel. Then, activating the motor on the mounting plate rotates the turntable closer to the radiation shielding panel. The second electric telescopic rod then moves the pressure plate closer to the upper surface of the radiation shielding panel, and the screw drives the pressure plate to fix it to the upper surface of the radiation shielding panel, achieving multi-directional fixation, preventing loosening and displacement during welding, improving the stability of the device, and ensuring welding quality.

The goal is to reduce the heating load in winter and the cooling load in summer. [Solution] The membrane structure building comprises a double membrane that constitutes the exterior of the building and has an inner membrane and an outer membrane having a radiative cooling function, and an air blower / discharge device that switches between an insulating mode in which air is blown into the double membrane to form an air layer between the inner membrane and the outer membrane, and a solar radiation shielding mode in which air is discharged from the double membrane to bring the inner membrane and the outer membrane into contact.

A battery pack for use in a spacecraft is provided. The battery pack includes one or more cells and an enclosure operable to receive the one or more cells therein. The one or more cells have a cathode material that includes lithium, iron, and phosphate. The enclosure is constructed at least partially of aluminum and is operable to provide radiation shielding.

The present invention relates to a radiation shield (1) for protecting an operator from ionizing radiation, the shield (1) comprising a front wall structure (2) made of one or more radiation-resistant materials and a side wall structure (3) made of one or more radiation-resistant materials, which are connected to each other at a vertical or substantially vertical corner edge (4), the shield (1) comprising a base (5) equipped with wheels (6) resting on the ground. Furthermore, according to the invention, the shield (1) is characterized in that the front wall structure (2) comprises a lower portion (21) and an upper portion (22) movable relative to each other, the upper portion (22) of the front wall structure (2) being mounted to pivot about a vertical or substantially vertical pivot (7) in the region of the corner edge (4).

The present application relates to the technical field of radiotherapy protection material testing, in particular to an evaluation method and system for isolation protection hydrogel, the system comprises an X-ray device, an aluminum ladder, a test disc and a sample manufacturing device, the sample manufacturing device comprises a workbench, a lifting mechanism, a horizontal moving mechanism, a uniform smearing assembly, an injection assembly, a rotating mechanism and a control module. The evaluation method comprises the following steps: automatic sample preparation, sample shaping, placing aluminum ladder control sample, simulating clinical radiotherapy irradiation, X-ray detection and evaluation. The automatic equipment is used to realize the standardization of hydrogel sample preparation, the 4Gy single radiotherapy dose and 10-minute irradiation time are set to accurately simulate the clinical radiotherapy conditions, the aluminum ladder control and X-ray gray value detection are combined to quantitatively evaluate the radiation shielding effect and performance attenuation of the hydrogel. The present application realizes the automation of the sample preparation process, the test is consistent with the clinical practice, the evaluation result is accurate and objective, and reliable data support is provided for the research and development and clinical application of the isolation protection hydrogel.

This invention discloses an ionizing radiation protective adhesive and its preparation method. The ionizing radiation protective adhesive comprises the following components by mass percentage: 0.5%~1.5% guar gum powder, 0.25%~1% borax, 5%~10% humectant, 0.1%~0.5% preservative, 1%~20% bismuth oxide, 1%~20% lanthanum oxide, 0%~0.1% fragrance, and the balance being deionized water. This invention's ionizing radiation protective adhesive achieves seamless skin coverage, can be shaped arbitrarily, and greatly increases comfort. It is highly suitable for radiation shielding of local organs or tissues during radiological diagnosis and treatment, especially for local shielding in X-ray diagnosis of infants and young children, demonstrating strong practicality.

The application provides a host board assembly and a portable electronic device using the same. The host board assembly includes a host board body, a voltage regulation module, a heat dissipation element and a power noise shielding element. The voltage regulation module is located at a side edge of the host board body. The heat dissipation element is located on the voltage regulation module. The power noise shielding element includes a radiation shielding part and a grounding part. The radiation shielding part includes a first shielding section and a second shielding section. The first shielding section is connected with an upper surface of the heat dissipation element. The second shielding section is connected with the first shielding section and shields a side surface of the host board body, the voltage regulation module and the heat dissipation element. The grounding part is connected with the second shielding section. The power noise shielding element can solve the problem of board edge radiation caused by the voltage regulation module located at the side edge of the host board body, meet the electromagnetic interference standard specification, and improve the element configuration margin on the host board body.

The present application relates to the technical field of sensor, in particular to a kind of compound sensing device for environmental data acquisition, including shell, illumination sensing unit, temperature and humidity sensing unit, sensing unit, main control module, communication module and power module.The present application is layered along the axial direction by illumination sensing unit, temperature and humidity sensing unit and sensing unit, realizes the synchronous acquisition of multiple environmental parameters, avoids the scattered arrangement of multiple devices, and reduces cost.Temperature and humidity sensing unit and sensing unit are respectively arranged in upper chamber and lower chamber separated by partition, realize air path isolation, reduce the mutual interference between sensors, reduce the frequency of manual maintenance through radiation shield and cleaning assembly.Main control module carries out filtering, fusion processing and abnormal self-checking to acquisition data, improves the continuity and reliability of monitoring data, integrates LoRa and NB-IoT dual-mode communication, can ensure data stable return in remote area with poor signal coverage, and is suitable for field deployment.

Particular embodiments described herein provide for an electronic device can include a support structure, a radiation source on the support structure, and a radiation shield around the radiation source. The radiation shield includes a wall secured to the support structure, a vacuum bag on the wall, where the vacuum bag has an inside air pressure less than an air pressure outside the vacuum bag, and a lid. The air pressure inside the vacuum bag is less than the atmospheric pressure outside the vacuum bag. When the vacuum is created in the vacuum bag, the vacuum bag deforms and compresses to help provide a vacuum-based mechanical loading that helps to create an applied load on the one or more radiation sources by the lid.

This application relates to the field of food processing technology and discloses a food safety sterilization device, including a support frame and a radiation shielding cylinder fixed to the top of the support frame. A mesh-shaped material container is installed inside the radiation shielding cylinder. A horizontal shaft is fixedly installed on the left outer wall of the mesh-shaped material container, with its left end rotatably penetrating through the left side wall of the radiation shielding cylinder. A second horizontal shaft is fixedly installed on the right outer wall of the mesh-shaped material container, with its right end rotatably penetrating through the right side wall of the radiation shielding cylinder. An L-shaped seat is fixedly installed on the right outer wall of the radiation shielding cylinder, and a motor is fixedly installed on the top of the L-shaped seat. The output shaft of the motor is fixedly connected to the right end of the second horizontal shaft. A gamma-ray laser is installed above the radiation shielding cylinder. This application has the following advantages and effects: it ensures that all parts of the food receive sufficient irradiation, eliminates sterilization dead zones, and achieves comprehensive and efficient sterilization of the food.

A clamping system includes a workpiece clamp (102) having a platform (108) for supporting a workpiece (106) and a heating element (118) for heating the platform (108) to a platform temperature. A cooling plate (122) has cooling features to cool the plate. A vacuum chamber (128) defines a cavity volume between the platform (108) and the cooling plate (122). One or more radiation shields (140) within the cavity volume (128) can limit radiative heat transfer between the platform (108) and the cooling plate (122). A vacuum source (134) and a gas source (142) are selectively fluidly coupled to the cavity volume. The controller (156) controls the heat transfer between the control plate (108) and the cooling plate (122) by controlling the pressure in the vacuum chamber (128) via the vacuum source (134) and the gas source (142), thereby controlling the temperature of the control plate (104) in the high temperature range and the low temperature range.

This application provides an in-situ grown needle-like blend of GdTaO4 / Sm-CeO2 radiation-resistant and antibacterial particles, its preparation method, and its application, relating to the fields of radiation protection materials and antibacterial materials. The radiation-resistant and antibacterial particles of this application use needle-like gadolinium tantalate as the radiation shielding matrix. A sheet-like samarium-doped cerium dioxide antibacterial component is uniformly grown on its surface using a hydrothermal in-situ growth method, resulting in a dual-functional composite material with an integrated needle-sheet blend structure. This application achieves strong interfacial bonding between the two phases through rare-earth lattice matching, while in-situ growth solves the core problem of easy agglomeration in physically blended powders. The resulting composite material possesses both radiation protection (X-rays + thermal neutrons) and highly efficient antibacterial functions. It exhibits controllable crystallization, strong batch stability, good compatibility with various matrices, stable structure, and uniform dispersion. It can be directly used as a functional filler or further processed into molds. The resulting products can be applied in fields such as nuclear industry protection, radiation medical dressings, military protective equipment, and civilian antibacterial and radiation-resistant products.

An electronic device that includes a substrate and a die disposed on the substrate, the die having an active surface. Wire bonds are attached from the active surface of the die to the substrate. A radiation barrier is attached to the substrate and disposed over the die. The radiation barrier is configured to mitigate electromagnetic radiation exposure to the die. A mold compound is formed over the die, the wire bonds, and the radiation barrier.

The invention discloses a neonatal prostrate inverted position X-ray examination fixed bed, and relates to the technical field of medical image auxiliary instruments. The body position fixing bed comprises a base, a hip lifting plate, an upper body supporting plate, a lower body supporting plate and a lifting driving assembly, wherein the hip lifting plate is arranged above the base in a lifting mode; the upper body supporting plate and the lower body supporting plate are hinged to the two ends of the hip lifting plate respectively; the first supporting piece and the second supporting piece are arranged on the base and abut against the upper half body supporting plate and the lower half body supporting plate respectively. The base is further provided with a driving structure used for driving the first supporting piece and the second supporting piece to ascend and descend so as to adjust the inclination angles of the upper half body supporting plate and the lower half body supporting plate. A head supporting assembly capable of being adjusted in a sliding mode is arranged on the upper half body supporting plate, a second fixing assembly is arranged on the lower half body supporting plate, and an anti-radiation assembly capable of being adjusted in a sliding mode is arranged on the side of the base. According to the device, the safety and comfort of a child patient can be considered while the neonatal positioning consistency and the examination efficiency are improved.

The utility model discloses a heat radiation shielding device inside incubator, including incubator body, the both sides inner wall of incubator body all are established with the sliding slot, the filter board is inlayed in the mounting groove, the fan is located between heating element and filter board, the one side of baffle close fan is provided with heat insulating layer, the outer wall of incubator body is established with multiple groups of vent, multiple groups the vent is set up in two rows up and down, and two rows up and down the vent is connected with heating constant temperature chamber and hatching chamber in -communication respectively, the surface of baffle is established with multiple groups of through -hole equally. The utility model discloses through baffle, heat insulating layer and through -hole etc. parts, utilize baffle and combine heat insulating layer and weaken heat radiation, and realize hot air even circulation through through -hole simultaneously, effectively solve the problem that the uneven heat radiation distribution of traditional incubator leads to the uneven heating of the egg, improve the uniformity of temperature in hatching chamber.

Construction costs can be reduced. [Solution] The method for installing a radiation shielding room comprises a manufacturing step of manufacturing a radiation shielding room having a floor section including multiple wheels, and an installation step of installing the radiation shielding room inside a room.

A radiation shielding apparatus includes a front portion configured to cover a torso of a user. The front portion includes a left front portion and a right front portion. The radiation shielding apparatus includes a back portion connected to the front portion. The back portion includes a plurality of openings arranged in a pattern. The back portion includes at least one expandable portion having a plurality of holes. The back portion includes an expandable mechanism extending through the plurality of holes. The expandable mechanism is configured to expand with pressure applied by the user. The radiation shielding apparatus includes a radiation shielding material arranged within the front portion. The radiation shielding material is configured to attenuate radiation.

This invention relates to the field of nuclear power plant maintenance technology, and in particular to a method for maintaining the drive rod of a reactor upper assembly drive mechanism. The method comprises: after unlocking the drive rod, lifting it, installing a first clamp on the upper part of the drive rod, and a second clamp on the lower part of the drive rod; slowly lowering the drive rod to fix it to the head of the moving assembly; raising each drive rod to the head of the moving assembly; transferring the upper assembly to the inspection well, and installing a maintenance platform on the upper assembly column; laying a radiation shielding layer on the maintenance platform; hoisting the drive rod above the maintenance platform for a functional check, and lowering the drive rod back to its original position after the check; reinstalling the upper assembly into the reactor core, removing the second and first clamps from the drive rod, and lowering the drive rod to the bottom. This invention simplifies the drive rod maintenance process, reduces personnel workload and radiation exposure, shortens working time, and improves work efficiency.

A system includes a sealed enclosure comprising: an outer layer comprising a metallic foam; a radiation shielding layer; one or more heat transfer elements comprising one or more active heat transfer element disposed on one or more inner faces of the sealed enclosure, and configured or configurable to extract heat from the interior of the sealed enclosure; one or more electronic related components inside the sealed enclosure.

The application discloses a preparation method of SnBi / B4C radiation shielding composite material. The material selects SnBi alloy with high atomic number, large density, strong processability and corrosion resistance as a matrix, B4C particles with light weight, high strength, good stability and large neutron reaction cross section as reinforcing fillers, and is formed through a powder metallurgy process, so that the composite material with high strength and the ability of shielding thermal neutrons, gamma rays, X rays and alpha particles is obtained. Compared with traditional lead gamma ray shielding materials with single function, the SnBi / B4C radiation shielding composite material solves the problem that neutrons cannot be shielded, and the selected raw materials are non-toxic, so that the composite material is expected to replace lead and be used for radiation shielding in the medical field.

A nuclear voltaic power source comprising a plurality of spherical nuclear voltaic cells arranged in disk-shaped slices stacked within cylindrical battery form factor assemblies. Each spherical cell contains at least one radioisotope, at least one converting medium (solid wide bandgap semiconductors or liquid transducers including liquid semiconductors, liquid scintillators, liquid metals, and ionic liquids), electrical contacts, and an encapsulating layer. The spherical geometry maximizes radiation solid angle capture. Multiple cells are arranged in planar disk-shaped slices connected in series or parallel, and multiple slices are stacked into cylindrical assemblies conforming to industry-standard formats including 2170, 18650, 21700, 4680, and 26650. A cylindrical external casing provides radiation shielding and standard battery terminal interfaces. The modular architecture enables customizable voltage, current, and energy capacity and direct drop-in compatibility with existing lithium-ion battery infrastructure including battery management systems and electric vehicle battery packs.

A radiation detector head assembly includes a detector column including a detector having a first surface and a second surface opposite the first surface. The detector column includes a first collimator disposed over the first surface of the detector and a second collimator disposed over the second surface of the detector. The detector column includes a first radiation shield disposed over the first collimator. The detector column includes a second radiation shield disposed over the second collimator. The detector column includes a gasket disposed between a horizontal interface between the first and second radiation shields.

A radiation attenuating shield apparatus and associated systems, devices, and methods are disclosed herein. In some embodiments, a radiation attenuating shield apparatus includes a first radiation shield panel and a second radiation shield panel, both of which are composed of a material that at least partially blocks radiation. The radiation attenuating shield apparatus is configurable between (i) a collapsed configuration in which the second panel substantially overlaps with the first panel to define a first radiation blocking footprint, and (ii) an expanded configuration in which less of the second panel overlaps with the first panel to define a second radiation blocking footprint that is greater than the first radiation blocking footprint.

This disclosure provides a low-cost radiation shielding composition with superior transparency to visible light compared to conventional methods. The disclosure relates to a transparent radiation shielding composition comprising: a base material containing a polar solvent, a polar polymer, or a combination thereof; and ions of a metal compound ionized in the base material, wherein the metal compound is a water-soluble metal compound capable of ionizing in the polar solvent and dissolving in ionic form, and the polar polymer is a water-soluble polymer capable of dissolving in the polar solvent.

This invention discloses a high-entropy carbon oxide / resin encapsulation coating for shielding high-energy electrons, its preparation method, and its application, belonging to the field of radiation hardening technology. This invention overcomes the problem of electronic component failure caused by high-energy electron irradiation. The invention involves high-energy ball milling of Nb, Mo, Ta, W, WO3, and carbon powder to obtain a high-entropy carbon oxide (NbMoTaW)C. 1‑x O x The mixture is combined with a resin matrix, coated onto electronic devices, and cured by heating to obtain an encapsulation coating that shields high-energy electrons and radiation-resistant electronic devices. This invention introduces oxygen into high-entropy materials, regulating the lattice structure and electron distribution, promoting lattice contraction and structural densification, and increasing the probability of interaction between high-energy electrons and atomic nuclei and extranuclear electrons in the material, thereby enhancing the material's radiation shielding capability. This invention features a simple process, strong adhesion to the device shell, easy thickness control, and suitability for complex device surface forming, significantly improving the engineering applicability of device packaging.

The present technology relates to methods and apparatus for temperature distribution. In particular, various embodiments of the present technology can provide a radiation shield formed from a body having a plurality of cutouts. The radiation shield can also include a plurality of removable segments shaped to be disposed within the cutouts.