423results about "Radiation protection" patented technology

Windows for attenuating radio frequency (RF) and infrared (IR) electromagnetic signals, so as to prevent or reduce such signals from emanating from secure facilities (e.g., government and / or military facilities). Example embodiments relate to a window including at least first and second glass substrates, at least first and second low-emissivity (low-E) coatings for blocking at least some IR and RF signals, and at least one transparent conductive oxide (TCO) inclusive coating for blocking at least some RF signals. The TCO inclusive coating may include a layer of or including indium-tin-oxide (ITO) located between at least first and second dielectric layers.

The present invention provides an electromagnetic wave shielding method and window capable of bringing a conductive shielding layer into conduction to the outside without a connecting structure, and a manufacturing apparatus, a transport system, and a building construction each having the electromagnetic wave shielding window. In the invention, a conductive shielding layer having a visible light transmitting property is provided on a surface of window face members having an electrical insulating property and a visible light transmitting property, and the window face members provided with the conductive shielding layer are brought into close adhesion and thereby fixed to a conductive window frame member through an insulation layer provided to a rim portion, whereby electrostatic-capacitance coupling is induced between the conductive shielding layer and the window frame member. It leads to achieve the electromagnetic wave shielding effect without establishing a direct electrical connection for the conductive shielding layer.

A smart door includes a frame having a front surface and an opposing a back surface; a first display on the front surface; a second display on the back surface; a camera positioned on the front surface and in data communication with the second display; and a plurality of slide bolts configured to lock the frame in a fixed position with a surrounding structure.

This invention relates to a coated article including a low-emissivity (low-E) coating. In certain example embodiments, the low-E coating is provided on a substrate (e.g., glass substrate) and includes at least first and second infrared (IR) reflecting layers (e.g., silver based layers) that are spaced apart by contact layers (e.g., NiCr based layers) and a dielectric layer of or including a material such as silicon nitride. In certain example embodiments, the coated article has a low visible transmission (e.g., no greater than 60%, more preferably no greater than about 55%, and most preferably no greater than about 50%).

The invention provides an intelligent wardrobe which comprises a wardrobe body, wardrobe doors, an exhausting device, a sterilizing device, a drying device, a fault alarming device and an intelligent control system. Clothes containing space is defined by the wardrobe body; the wardrobe doors are movably arranged at the two sides of the wardrobe body; the exhausting device is arranged at the top of the wardrobe body and enables the containing space of the wardrobe body to be communicated with the outdoor environment; the sterilizing device is fixedly arranged at the inner side of the wardrobe body; the drying device is arranged in the wardrobe body and a thermal baffle is arranged at the side, without the drying function, of the drying device; the fault alarming device is used for giving an alarm timely when the intelligent wardrobe breaks down; the intelligent control system is used for controlling the exhausting device, the sterilizing device and the drying device of the intelligent wardrobe. According to the intelligent wardrobe, space is saved, cost is low, operation is stable, reliability is achieved, after the wardrobe is started, the wardrobe can enter an automatic operation state, intelligent operation is truly achieved, and accidents caused by damage of the intelligent wardrobe are prevented.

A door for a RF shielded and acoustically insulated room. The door includes a door panel and door frame adapted to electrically and pivotally contact the door panel. The door panel includes a noise absorbing material and a noise insulating gap disposed between outer sections of the door panel. The door frame includes a noise absorbing material and a perforated region adjacent to the noise absorbing material. The perforated region includes a number of apertures spaced apart at varying distances along the door frame.

An electromagnetic shielded door with constant force spring perimeter seal may include a door panel and door jamb. The door panel may include a sealing member around a perimeter of an inside face of the door panel. In certain embodiments, the sealing member may have a raised sealing surface. The door jamb may have at least one spring containment member along an inside perimeter facing the door panel. A spring mechanism may attach to the at least one spring containment member. The spring mechanism may include a plurality of continuous force flat torsion roller springs attached to at least one spring containment member which may be part of a channel. The raised sealing surface may engage with the plurality of continuous force flat torsion roller springs on the at least one spring containment member of the channel.

The invention discloses a shielding door which comprises a door body, a door frame and an electromagnetic shielding structure arranged between the door body and the door frame, wherein the electromagnetic shielding structure comprises a first structural member and a second structural member; the first structural member is arranged on the periphery of the door body and provided with a first extending part extending into the door, and the inner side of the first extending part is provided with a first sealing rubber strip; the second structural member is arranged on the periphery of the door frame and provided with a second extending part extending towards the outside of the door, and the inner side of the second extending part is provided with a second sealing rubber strip; and when the door body is closed, the first extending part is in contact with the second sealing rubber strip, and the second extending part is in contact with the first sealing rubber strip. The invention has higher electromagnetic shielding efficiency, high water tightness and air tightness, high electric conduction property and flexible operation and is particularly suitable for an electromagnetic shielding shelter with the requirements on 60dB electromagnetic shielding, air tightness and waterproofness.

The invention discloses a fully-automatic suspension type two-dimensional electromagnetic shielding door wit arc-shaped guide rails, comprising a door frame (1), a door leaf (3) and a control system (15), wherein the door frame (1) is fixedly arranged on the side wall of a shielding room, and the periphery of the door frame is in seamless welding with a shielding body steel plate; the door frame (1) is externally provided with a supporting framework (5); a suspending-displacement device (8) for suspending the door leaf is arranged on the supporting framework (5); the door leaf (3) is arranged at the lower part of the suspending-displacement device (8); the suspending-displacement device (8) is provided with a motor and a synchronizing device (9); and the suspending-displacement device (8) controls the motor and the synchronizing device (9) to drive the door leaf (3) to do vertical and translational two-dimensional movement at the lower part of the suspending-displacement device (8). The fully-automatic two-dimensional electromagnetic shielding door disclosed by the invention has the advantages that the design is novel and reasonable, the performance is excellent, the operation is simple, the maintenance is convenient, the whole-process operation of the shielding door is automatic, the influence of the inertia of the large suspension type shielding door on the operating stability is avoided, the quantity of motors of the shielding door is less, the structure is more reasonable and the control is more reliable; due to the adoption of a knife-groove meshing mode and a pneumatic locking mechanism, accurate alignment and stable and reliable meshing of the door leaf and the door frame are ensured, the possible deformation of the door leaf and the door frame in use is furthest reduced, and high shielding effectiveness is ensured.

The invention relates to a heavy electric radiation protection door. The door comprises a base with door hole, a door body and an electric control box, wherein the base above the door hole is provided with a main beam into which a lead screw driven by a motor is penetrated; multiple groups of horizontal pulleys are hung at the lower end of a nut engaged with the lead screw; rollers arranged at the upper ends of each group of horizontal pulleys are pressed on the surface of a horizontal guide rail arranged on the main beam in a sliding way; and all the lower ends of each group of horizontal pulleys are connected with the upper end of the door body. The door has a simple structure; stable and accurate running of the door body is realized by the lead screw and the horizontal pulley; opening or closing of the door body is realized by a frequency converter control motor; and the door has high automation level, is safe and reliable, and has a good radiation protection effect because barium sulfate concrete is filled in the door body.

This invention relates to a coated article including a low-emissivity (low-E) coating. In certain example embodiments, the low-E coating is provided on a substrate (e.g., glass substrate) and includes at least first and second infrared (IR) reflecting layers (e.g., silver based layers) that are spaced apart by contact layers (e.g., NiCr based layers) and a dielectric layer of or including a material such as silicon nitride. In certain example embodiments, the coated article has a low visible transmission (e.g., no greater than 60%, more preferably no greater than about 55%, and most preferably no greater than about 50%).

A bunker system for shielding radiation emitted from a radiation treatment device includes a multi-core wall structure that completely surrounds the radiation treatment device. The wall structure includes a cast-in-place concrete inner core of limited thickness in order to minimize curing time requirements. The inner core is immediately surrounded by an outer core constructed from a plurality of preformed modular blocks. Each modular block is constructed of a radiation shielding material, such as concrete. As part of the assembly process, the preformed modular blocks are designed to be stacked top-to-bottom and side-by-side in an interlocking fashion to form a continuous wall structure, with blocks additionally arranged in a front-to-back relationship to achieve the required outer core thickness. The dual-core construction of the wall structure enables the bunker system to be quickly and efficiently assembled with enhanced quality control and potential reusability.

A modular system to attenuate radio frequency encroachment and acoustic noise into an enclosure is described. The system uses a door leaf, a jamb for the leaf, and acoustic and RF seals removably positioned on the jamb, or on the door, or both. The jamb can include radio frequency, radiation, and acoustic attenuation seals.

The invention discloses a novel air-tight door with linkage synchronous lock, and is characterized in that a driving mechanism comprises a drive gear and a driven gear, which are engaged; a linkage mechanism comprises a connecting rod A and a combined connecting rod, and the combined connecting rod comprises a connecting rod B coaxially fixed by an axial adjustment component; each of insertion locking mechanisms comprises a pin shaft, a locking pin and a slope wedge block, and the pin shaft is inserted in a pinhole on the locking pin; the driven gear is hinged with the connecting rod A, the connecting rod A is hinged with the combined connecting rod, the connecting rod B is hinged with the locking pin, the pin shaft is fixed on a door leaf, and the slope wedge block is fixed on a door frame; when the sealing door is locked, the locking pin is inserted into the slope wedge block. According to the sealing door provided by the invention, when the sealing door is closed, the driving gear can control multiple insertion locking mechanisms to lock the fan leaf synchronously, so that the integrated compaction quantity of sealing materials of the sealing door is balanced and consistent on a vertical surface, and the reliable sealing effect of the sealing door under a nuclear radiation environment is achieved; meanwhile, a purification plant of a nuclear power plant reaches using requirements without nuclear leakage under a shock resistant condition.

The invention discloses an intelligent radiation isolating double-roller-shuttle fireproof door. The door comprises an electric control device, an opening-closing machine, a scroll, a shell, a door body and rails. The scroll arranged in the shell is connected with the opening-closing machine, two groups of rails are fixed on the inner wall of a door stop, and the upper ends of the vertical rails on two sides support the two ends of the shell. The electric control device is provided with manual and intelligent control systems; and the intelligent control system outputs rated values to automatically control the operation of the opening-closing machine according to a smoke sensing probe, a temperature sensing probe and a temperature control member. Gaps of two sides of the oblong door body are inserted into open slots of the rails, and the upper end of the door body is connected with a switching mechanism to form a follow-up winding mechanism. The door body has a multilayer structure, wherein the front is provided with glass fiber decorative cloth, the second layer is provided with fireproof cloth, the third layer is provided with an aluminum silicate fireproof fiber felt, and the back is provided with radiation-proof cloth. Because multilayer fibers form the soft door body, the door has light weight, is convenient to open and close, and more importantly, can be automatically closed to regionally block a fire source when a fire breaks out under unmanned supervision. The door prevents fire and radiation, and is particularly suitable for public escape passages.

A full-automatic electromagnetic screen door with an emergency opener comprises a door frame, a door body and a locking mechanism mounted between the door body and the door frame, the door body is hinged within the door frame through two hinges disposed on upper and lower portions of a side one, respectively, the side of the door body where the locking mechanism is located is fixedly provided with fastening heads, the door frame is fixedly provided with a fixing device close to the side one of the door body, the fixing device is connected with a door pivot-opening unit horizontally rotating along the fixing device, the door pivot-opening unit is provided with locking grooves in a generatrix direction, and the fastening heads are fastened in the fastening grooves; an engaging-disengaging device is disposed inside the door pivot-opening unit, an engaging-disengaging switch connected with the engaging-disengaging device is arranged above the door pivot-opening unit and is connected with a pull spring and a pull cord that apply opposite acting forces, the other end of the pull spring is fixed to the door pivot-opening unit, and the other end of the pull cord is wound to a hand wheel. By rotating the hand wheel on the inner side of the door body, the rotation of the hand wheel drives the pull cord, the pull cord pulls the engaging-disengaging switch so that the engaging-disengaging device disengages; when the hand wheel rotates, the hand wheel drives two lock pins to move up and down so that the door body is opened or locked.

The present invention is related to an apparatus for irradiating products conveyed on a pallet, comprising a beam source (3) for producing a radiation beam, a shielding wall (4) encompassing an irradiation chamber (2) and a revolving cylindrical door (6) having a recess (8) for holding said pallet, for bringing said pallet in and out of the irradiation chamber (2) wherein said high-energy radiation beam is directed towards a lateral side of said revolving door (6), for irradiating said pallet in said recess (8), or brought before said recess (8). The present invention is also related to a process wherein a product pallet is brought into an irradiation chamber (2) through a revolving cylindrical door (6) having a recess (8), and irradiated while in said recess (8) or in front of said recess (8).

The present invention relates to a radiation inspection system discloses a shielding door device for a radiation inspection system, comprising a door body, two guides located on two opposite sides of the door body, a rack, a gear and a motor. The two guides are fixed on an upper surface of a frame and the door body is movably connected to the two guides via bearings. The rack is fixed on a bottom of the door body and meshed with the gear. The gear is coupled with a shaft of the motor fixed on a lower surface of the frame. With the above configuration, the present invention is advantageous in automatic and complete shielding of the radiation inspection system without interference. In addition the shielding door can be controlled intelligently, so that accidental radiation leakage can be prevented.

In a double glazing where a pair of transparent glass sheets are arranged at an interval by having a spacer at the circumferential end portion and where a hollow layer sealed between the pair of glass sheets is formed, there is provided an electromagnetic absorption board used for wireless LAN, which is characterized in that the thickness of the glass sheet is in a range of 2.5-20 mm, that the thickness of the hollow layer is in a range of 2.5-15 mm, that at least one glass sheet of the pair of glass sheets is formed with a resistive film having a surface resistance (surface resistivity) in a range of 20Ω / □ to 2 kΩ / □, and that the resistive film is formed on a glass sheet side on the hollow layer side.

The invention discloses a slotting tool-socket matching pair for an electromagnetic shield door, which comprises a door leaf frame (1) and a door seat frame (2); a socket (2) comprises a slot-type piece (3), left and right metal limiting pieces (4), left and right metal spring leaves (5) and left and right condition iron pieces (6); a slotting tool (D) comprises a slot-type plate (7), a magnetic yoke component (8), a copper flake (9), left and right press plates (10), a lower press plate (11) and a permanent magnetic rod (12); moreover, the slotting tool also comprises a permanent magnetic rod drive device (C). The slotting tool-socket matching pair has the characteristics of reasonable structure, reliable work, long-term normal and stable shielding effect and the like.

The present invention is related to an apparatus for irradiating products conveyed on a pallet, comprising a beam source (3) for producing a radiation beam, a shielding wall (4) encompassing an irradiation chamber (2) and a revolving cylindrical door (6) having a recess (8) for holding said pallet, for bringing said pallet in and out of the irradiation chamber (2) wherein said high-energy radiation beam is directed towards a lateral side of said revolving door (6), for irradiating said pallet in said recess (8), or brought before said recess (8).The present invention is also related to a process wherein a product pallet is brought into an irradiation chamber (2) through a revolving cylindrical door (6) having a recess (8), and irradiated while in said recess (8) or in front of said recess (8).

The invention relates to a combined interlayer pulley vertical hinged lead door and a corresponding planer steel plate track. The body of a vertical hinged lead door is divided into two layers, i.e. a covering layer (1) and an embedding layer (2), which are connected by a steel connecting frame layer (3), in thickness direction. The covering layer is slightly larger than a door way in area, and the embedding layer and the steel connecting frame layer are slightly smaller than the door way in area. Pulleys (9, 10) moving along the direction vertical to the inner and outer faces of the lead door are respectively arranged on left and right edges of the lower side of the steel connecting frame layer, and a power system (15) is arranged above the pulleys on the moving side of the lead door. A reinforced concrete base with the thickness more than 20cm is poured below the lead door moving scope and on the ground in a certain range around the lead door moving scope, parts of two pulley tracks (11, 12) of the lead door are added with thick arched base rib beams (13, 14) when the base is poured, and planer steel plate tracks (16, 17) adaptive to the pulley tracks (11, 12) in shape are embedded in the faces of the arched base rib beams.

The invention discloses a nuclear power radiation-proof door, comprising a door frame fixed at the position of a door opening of a building. The nuclear power radiation-proof door is characterized in that the nuclear power radiation-proof door also comprises a door leaf fixed in the door frame through a hinge. An outer side of a door plate of the door leaf is provided with an edge frame with an outer outline which is more than an inner outline of the door frame, and an inner side of the door plate is provided with a door body which protrudes to a direction of the door frame, wherein an outer outline of the door body is smaller than an inner outline of the door frame. A sealing baffle is arranged at the lower end of the outer side of the door leaf; a group of motors are arranged at the outer side of the door leaf; and an upper bolt, a lower bolt, a fixing bolt, the sealing baffle and the hinge of the door leaf are connected with the motors through connection shafts respectively. The nuclear power radiation-proof door disclosed by the invention is simple in structure, can be used for effectively preventing from radiations caused by neutron rays, gamma rays, X rays and the like, and can be full-automatically switched.

A preferred system for ensuring the safety of a glovebox can include a glovebox configured for handling a sensitive material and comprising a pair of ports adjacent to a working cavity; a pair of gloves connected to the pair of ports and extending into the working cavity; and a plug removably connectable to one of the pair of ports. In preferred variations, the plug can include a protective material, a removable handle, and a shielding cavity. In alternative variations, the plug can also include a tamper indicating device to ensure that the plug, once engaged into the port, is not removed without proper authority or permission.

The invention relates to the technical field of shielding doors, and discloses a shielding and protection integrated door. The shielding and protection integrated door comprises a door leaf, a door frame, a doorsill and a door leaf driving device, wherein the door leaf driving device is configured to drive the door leaf to move at the outer side of the door frame, an electromagnetic shielding layer and a ray protective layer are arranged on the surface of the door leaf, an airbag type pneumatic reed device is arranged at each of the upper end and the lower end of a main framework of the door leaf, an airbag type pneumatic reed device is arranged at each of the left side and the right side of the door frame, each airbag type pneumatic reed device comprises an airbag and a shielding reed which can be connected to a shielding component on the door leaf, the door frame or the doorsill under extrusion of the airbag, and the shielding component is connected with a shielding body of an examination room. As the door leaf is provided with the shielding and ray protective layers such as the electromagnetic shielding layer and the ray protective layer, and has the function of integrating shielding and protection, an operating space of medical equipment is safer, and higher application capacity to environment is realized; a doorsill-free design is employed, so the shielding and protection integrated door is convenient for equipment and hospital beds to get into and out of the examination room.

The invention discloses a radiation shield door special for a radiology department. The radiation shield door comprises an observation window outer frame, a radiation shield door frame, a radiation shield door shell and a radiation shield door main board; the radiation shield door frame is internally provided with the radiation shield door shell which is provided with the observation window outer frame, the observation window outer frame is internally provided with an observation window, and a sealing vertical bar is arranged on the left side of the observation window; an existing radiation shield door is provided with a radiation detector and an automatic lock cylinder, when radioexamination treatment is conducted in a radiation room or radiation in the radiation room exceeds the standard, the radiation shield door can be locked automatically outside, the radiation shield door is further provided with a radiation shield blue-violet coating film and a double-layer protective sealing ring which are used for reducing leakage of radiation, the radiation shield door is provided with an observation window and an isolating baffle, the isolating baffle can be utilized for covering and opening the observation window, medical personnel or family members can observe and visit patients conveniently, and therefore the purpose that use is safer and more convenient is achieved.

The invention describes a system and methods for filtering electromagnetic, visual, and minimizing acoustic transmissions. In particular, the anti-surveillance security system of the present invention can be readily configured by connecting a combination of filters to a transparent substrate, whereby the system has a shielding effectiveness_between 22 db-40 db in the frequency range of 30 megahertz-3 gigahertz, an IR transmission at wavelengths between 780 nm and 2500 nm of no more than 50%, and a light transmission less than 1% for wavelengths up to 450 nm.

The invention relates to a civil air defense door. The civil air defense door comprises an inner door leaf and an outer door leaf. The inner door leaf and the outer door leaf are connected with each other through a slide connection mechanism, and a buffer layer is arranged between the inner door leaf and the outer door leaf. One side of the outer door leaf is of an arc-shaped structure, a plurality of metal fasteners and an up-down penetrating steel structure cylinder are arranged in the outer door leaf, compartments are filled with fireproof materials, and a plurality of ring-shaped grooves are formed in the peripheral surface of the cylinder at equal intervals. The metal fasteners are arranged on the ring-shaped grooves in a sleeving mode, each metal fastener comprises a fixing part and a mounting part, and each mounting part is formed by mutual welding of a plurality of rings. A first pre-buried piece is arranged on one side of the inner door leaf, a steel column is clamped through a clamping piece, a plurality of threaded holes are evenly formed in the steel column, and a steel plate is fixed to the steel column through screws to form a reinforcing plate. According to the civil air defense door, the weight of the door leaves is reduced, at the same time, the functions of fireproofing, explosion proofing and radiation proofing are achieved, the protection property is good and the door is not prone to being deformed and damaged, the reinforcing plate can be temporarily and additively mounted on the eve of a war, the mounting process is simple, the door can be mounted and used immediately, and the protection property is further improved.

An electromagnetic shield panel is provided with at least a pair of shield plates and an edge connecting conductive member. Each shield plate is provided with: an insulating plate, which has a first main surface, a second main surface and four edges, and has visible light permeability; a high-frequency electromagnetic shield member, which has an electromagnetic shield function in a relatively high frequency region and is disposed to cover at least the first main surface; and a low-frequency electromagnetic shield member, which has an electromagnetic shield function in a relatively low frequency region and is disposed to cover at least the second main surface. In the electromagnetic shield panel, the insulating plate is wrapped with the high-frequency electromagnetic shield member and the low-frequency electromagnetic shield member by entirely covering all of the edges of the insulating plate with either the high-frequency electromagnetic shield member or the low-frequency electromagnetic shield member. The edge connecting conductive member physically and electrically connects all of the high-frequency electromagnetic shield members and the low-frequency electromagnetic shield members in the vicinity of all the edges of the pair of insulating plates.