17results about "Radiation protection" patented technology

This utility model discloses a soundproof electromagnetic shielding door, comprising: a frame, the frame including two sets of tracks and two sets of side panels, the two sets of tracks being fixed to the top and bottom of the shielding room door opening respectively, and the two sets of side panels being fixed to both sides of the shielding room door opening respectively; a shielding door body, the shielding door body including a door frame, an inner door panel and an outer door panel; a sliding assembly, the sliding assembly being slidably connected to the tracks respectively, and the sliding assembly being rotatably connected to the door frame; an arm, the arm being rotatably connected to the two sets of tracks respectively, with a slider rotatably connected to one end of the arm, and the slider being slidably connected to the door frame; and a sealing assembly, two sets of sealing assemblies being provided, abutting against the door frame; the two sets of side panels abutting against the inner and outer sides of the door frame respectively, and copper sheets being fixed to the outer surface of the door frame, the inner door panel, the outer door panel, and the side panels respectively. This utility model effectively solves the electromagnetic interference problem while meeting the sound insulation requirements, and is suitable for places with high requirements for sound isolation and electromagnetic protection.

The present application relates to a kind of anti-fragment penetration assembled electronic signal shielding room, construction method, the shielding room includes: multiple wallboard modules, each is sequentially fixedly connected with ceramic composite impact layer, ribbed steel plate bearing layer, honeycomb buffer layer and first electromagnetic shielding layer from outside to inside, multiple wallboard modules head-to-tail butt joint;Top plate module is at least provided with second electromagnetic shielding layer, and top plate module is adaptively butted with the top of multiple wallboard modules;Bottom plate module is at least provided with third electromagnetic shielding layer, and bottom plate module is adaptively butted with the bottom of multiple wallboard modules;Hydraulic locking mechanism is arranged at the butt joint of adjacent wallboard module, wallboard module and top plate module and wallboard module and bottom plate module;Multiple wallboard modules and top plate module and bottom plate module cooperatively form closed shielding room.The present application realizes the coordination of anti-fragment penetration protection, electromagnetic shielding integrity and quick assembly construction, improves the structural reliability and shielding stability in high-risk environment.

The utility model provides a kind of shielding door, including the door frame of fixed setting in shielding room shell, left door leaf and right door leaf being rotatably connected with the door frame, locking structure is arranged between the left door leaf and the door frame or between the right door leaf and the door frame or between the left door leaf and the right door leaf;The left door leaf and the right door leaf all include shielding door framework, door panel being fixedly arranged on the shielding door framework, the door panel includes silicon steel sheet and low carbon steel plate being fixedly arranged on the outer side of the silicon steel sheet;The left door leaf and the right door leaf meet, the left door leaf and the door frame are connected, the right door leaf and the door frame are connected and all be provided with beryllium copper spring leaf, simultaneously have magnetic shielding and electromagnetic shielding.

The utility model discloses a kind of protective lead doors of X-ray room convenient to install, it is related to lead door installation technical field, including door frame, the inside one side of door frame is provided with receiving frame, and the inside other side of door frame is provided with protective lead door, the top of protective lead door is provided with access panel, and the side of access panel is provided with guide assembly, guide assembly includes guide slide rail, the outside of guide slide rail is provided with mounting frame, and the middle of mounting frame is provided with pulley and limiting block, the side of mounting frame is provided with installation side plate and push cylinder, and the bottom of mounting frame is provided with mounting assembly. The utility model is pushed to the installation side plate and the mounting frame of the side close to receiving frame by the push cylinder being set, make mounting frame drive pulley and protective lead door slide along guide slide rail, to realize the opening and closing of protective lead door, and the use stability of protective lead door is improved by the multiple mounting frame being set.

This utility model relates to the field of microwave oven technology, specifically to a door assembly for a microwave oven that reduces microwave leakage. From the outside to the inside, it includes a door handle, an outer door panel, an inner door panel, and an anti-leakage assembly. The door handle is fixedly connected to one edge of the outer door panel. The inner door panel is fitted inside the outer door panel, and both the outer and inner door panels are matching groove structures. Mounting plates are connected to both sides of the inner door panel via internal brackets, and an integrated door hinge is fixed to the inner side of the mounting plates. The anti-leakage assembly is located in the middle of the inner door panel and consists of interlocking anti-leakage groove plates and patch plates. The patch plate is fitted to one side of the anti-leakage groove plate, and the outer edge of the anti-leakage groove plate has choke teeth. The patch plate is fixed to the inner door panel behind it via a first high-temperature resin plate and a second high-temperature resin plate, with the inner door panel located between the first and second high-temperature resin plates.

The utility model discloses a quick detachable electromagnetic shielding door mounting frame relates to the field of mounting frame, including frame body, the frame body includes two vertical first section bar and two horizontal second section bar, the first section bar and second section bar head -tail connection forms rectangular frame structure, the recess is set up to four lateral surface of first section bar and second section bar along its length direction, the utility model discloses a first section bar, second section bar, connecting piece are set up, first the second connecting part of connecting piece is inserted into the recess inside second section bar, and with the screw that is tight, connecting piece is fixed on second section bar, then the recess on first section bar is aligned first connecting part and is inserted its outside, then with hand screw, connecting piece and first section bar fixed connection, when first section bar and second section bar realize quick stable connection and form L type structure, then in proper order the remaining first section bar, second section bar can be fixed according to above -mentioned method.

This invention relates to a lightweight thermal insulation composite window frame component with electromagnetic shielding function and its preparation method. The window frame component is characterized by being divided into five functional layers: a main load-bearing layer (1), a fiberglass embedded part (3), a thermal insulation and weight reduction layer (4), an airtight layer (6), and an electromagnetic shielding layer (7). The electromagnetic shielding layer (7) is located on the outermost layer of the window frame component. The airtight layer (6) and the electromagnetic shielding layer (7) are adjacent layers, with the airtight layer (6) located inside the electromagnetic shielding layer (7) and bonded together. This invention achieves the integration of multiple functions such as lightweight, thermal insulation, electromagnetic shielding, and airtightness in the window frame component, as well as high-quality structural molding, through material design of the main load-bearing layer, thermal insulation and weight reduction layer, airtight layer, and electromagnetic shielding layer, interlayer interface reinforcement, and molding process design.

The utility model relates to the technical field of civil air defence engineering protection equipment, provide a sealing door for civil air defence engineering, including door frame, the one side of door frame is hinged with door body, the one side of door body is provided with protection structure. The utility model discloses when the movable plate is in rotation, the movable plate will move the reinforcing rod in the inside of support plate through the hinged link, under the action of support plate, the stability of reinforcing rod when moving is strengthened, the reinforcing rod after moving will move to the inside of door frame, and then makes door body and door frame fixed each other, when rotating handle, makes the threaded column drive the gear teeth and gear abut, under the action of slide rod, the stability of gear teeth when moving is strengthened, under the limiting effect of gear teeth, prevent the reverse opening trend of swing link because of vibration, realize the function that the device is convenient for opening, fixed, thereby improved the applicability of the sealing door for civil air defence engineering when using.

This invention discloses a two-dimensional upper-drive dual-cylinder shielded microwave-absorbing door and its usage method, belonging to the field of shielding equipment technology. The invention includes a door frame, door leaf, zero-plane sill, suspension gantry, drive mechanism, microwave-absorbing material, and control unit. The door leaf is installed in front of the door frame via the suspension gantry, and the zero-plane sill is pre-embedded in the bottom of the door frame. This invention uses cylinders to precisely control the contact pressure between the spring and the copper plate, significantly reducing the stringent requirements for processing and assembly precision in traditional insert-type structures, improving the reliability of electromagnetic shielding connections. The fully embedded door leaf design ensures a flat door surface, eliminating the need for an additional microwave-absorbing back frame. The introduction of conductive foam effectively compensates for unevenness in the contact surface, further enhancing shielding stability and engineering adaptability. It eliminates the need for a sill lifting platform and complex mechanical interlocking devices, significantly simplifying civil engineering requirements and on-site installation difficulties.

The application relates to a hand-automatic type clutch push rod structure and an electric locking shield door in the technical field of shield doors. The hand-automatic type clutch push rod structure is installed on the electric locking shield door and comprises a box assembly, a push rod assembly and a motor assembly. The motor assembly and the push rod assembly are connected through a clutch assembly. The hand-automatic type clutch push rod structure and the electric locking shield door are provided with the clutch assembly between the motor assembly and the push rod assembly, the connection or separation of the motor assembly and the push rod assembly is realized through the clutch assembly, the manual and electric states of the push rod are switched, the structure is simple, the operation is convenient, the assembly with the shield door is easy to realize, the structure of the shield door is simplified, and the overall weight and the manufacturing cost of the shield door are reduced.

The application discloses a shielding door frame and shielding method of a corner connecting mechanism and belongs to the technical field of electromagnetic shielding. In order to solve the problem of existing gaps in the corner connecting part of the door frame and the problem of the decline of shielding performance, the application comprises an inner door frame structure and an outer door frame structure. The inner door frame structure comprises a plurality of inner door frame sections and a plurality of inner corners. The inner door frame section is provided with a first characteristic groove, and the inner corner is provided with a first arc-shaped transition groove matched with the first characteristic groove. The two are connected to form a continuous closed annular groove for mounting a sealing strip. The outer door frame structure comprises a plurality of outer door frame sections and a plurality of outer corners. The outer door frame section is provided with a second characteristic groove, and the outer corner is provided with a second arc-shaped transition groove matched with the second characteristic groove. The two are connected to form a continuous closed annular groove for mounting a conductive silicon core wire mesh strip. The application eliminates the gap at the corner through the cooperation of the characteristic groove and the arc-shaped transition groove, guarantees the continuity of the shielding element, and significantly improves the high-frequency shielding performance and structural rigidity of the door frame.

The utility model relates to the field of ray protection lead glass window, concretely relates to a ray protection lead glass window structure, including front window frame, back window frame, bottom frame, lead glass, first fixed plate, second fixed plate, third fixed plate and fourth fixed plate, and the bottom frame is installed to the front window frame bottom, and the lead glass is placed on the bottom frame, and the lead glass right side is positioned through the first fixed plate, and the lead glass left side is positioned through the second fixed plate, and the lead glass upside is positioned through the third fixed plate, and the back window frame is installed to the front window frame back side, and the lead glass back side is positioned through the fourth fixed plate, and this design can realize the fixation to the lead glass of different sizes through the first fixed plate, the second fixed plate and the third fixed plate, and the operation is simple.

The present application relates to a kind of signal shielding control methods, including door leaf and door frame, when door leaf is closed, air pump is inflated to shielding piece, shielding piece is filled in the round recess of annular arrangement in door frame reinforcing rib after being inflated;When the air pressure of shielding piece reaches the predetermined pressure value, controller closes air path and air pump, and shielding piece enters the pressure maintaining stage;When the controller receives the opening door signal, the controller controls the opening of shielding piece exhaust valve and enters the pressure relief opening stage.The present application provides a kind of signal shielding door control method capable of realizing automatic, intelligent, reliable control, with state monitoring, fault diagnosis, automatic maintenance and emergency backup capability, ensuring the long-term stability and safety of the electromagnetic shielding environment of nuclear magnetic resonance room.

The utility model relates to waveguide window device technical field, concretely relates to a waveguide window with rainproof function, including frame, the middle part of frame is equipped with the window hole, and the top outside of window hole inclines and is fixed with the cover plate, the four corners of frame all are equipped with hole groove structure, the back of frame is fixed with the positioning block of hollow type, the middle part of positioning block keeps communication with hole groove, and the window hole is equidistant array and is provided with multiple groups on the frame, every group of cover plate is fixed on the same side of window hole, and the included angle between same and frame is same, through setting the cover plate structure of inclination, fixed on the outside of window hole, when setting, the direction of raindrop falls towards the cover plate, when the cover plate contacts raindrop, can slide out to the outside along the cover plate, can avoid that raindrop enters into the window hole, and multiple cover plates can form laminated structure at specified angle, reduce raindrop adhesion.