15results about How to "Effective shielding" patented technology

The utility model relates to detachable high pressure test area temporary enclosure technical field for engineering, especially detachable high pressure test area temporary enclosure for engineering, technical scheme: a detachable high pressure test area temporary enclosure for engineering, including enclosure base, installation column, installation slot, nanometer zinc oxide conductive enclosure, high strength polyimide fiber web, conductive column, containing groove, mounting plate and grounding needle, the top surface of enclosure base is provided with installation column, the inside of installation column is opened with installation slot, the inside of installation slot is provided with nanometer zinc oxide conductive enclosure, the utility model adopts nanometer zinc oxide conductive enclosure to form continuous conductive layer, and the current is conducted to grounding needle through conductive column, constructs complete faraday cage, effectively shields electric field, promotes security protection level, and superimposes high strength polyimide fiber web, strengthens structure rigidity again, and also as the supplementary layer of electric field shielding, improves the overall strength and stability of enclosure.

The utility model relates to the technical field of magnet preparation molds, and discloses a multi-pole radial magnetic ring mold, which comprises a sleeve body, a plurality of radial magnetic rings and a plurality of radial magnetic rings, the multiple magnet structures are arranged on the outer side of the sleeve body, and the multiple magnet structures are distributed in the circumferential direction of the sleeve body at intervals; the shielding blocks are arranged on the outer side of the sleeve body, the number of the shielding blocks is equal to that of the magnet structures, and each shielding block is located between every two adjacent magnet structures. The magnet structures are arranged on the outer side of the sleeve body, the magnet structures generate an external orientation magnetic field, the magnet ring is oriented in the forming process of the magnet ring, the magnet structures are distributed in the circumferential direction of the sleeve body at intervals so that the magnet ring can be of a multi-pole radial structure, and one shielding block is arranged between every two adjacent magnet structures so that the trend of the magnetic field can be changed; the interference of a magnetic field on a concave mold cavity is reduced, so that the orientation force at the joint of two adjacent magnetic poles on the magnetic ring is reduced, the influence on a formed blank is reduced, and the phenomenon that the sintered magnetic ring cracks is reduced.

The application discloses a kind of MXene-based composite wave-absorbing materials and preparation method thereof, water-based electromagnetic functional color paste and preparation method and application, the MXene-based composite wave-absorbing material provided in the application is with two-dimensional layered MXene nanosheet as carrier, and Fe3O4@Ag core-shell structure nanosphere is loaded on the surface and interlayer of two-dimensional layered MXene nanosheet.The above-mentioned MXene-based composite wave-absorbing material is by electrostatic self-assembly process, Fe3O4@Ag core-shell structure nanosphere is loaded on the surface and interlayer of two-dimensional layered MXene nanosheet, the composite of both is realized.In addition, the application further provides water-based electromagnetic functional color paste comprising the above-mentioned composite wave-absorbing material, the color paste shows excellent storage stability and outstanding electromagnetic shielding and absorption performance, and can be suitable for a variety of coating processes.

This application relates to an electroplating fixture for sealing through-holes in parts, comprising an outer surface shielding part, an inner hole plug, an end face shielding part, and a conductive device. The outer surface shielding part has a shielding cavity that surrounds the outer surface of the part, with a mounting hole at one end and an open end at the other. The inner hole plug is disposed within the through-hole of the part, shielding the non-electroplating area. The end face shielding part is installed at the open end of the part via a first sealing ring, shielding the end face and adjacent outer surface. The conductive device includes a negative conductive component and a positive conductive component: the negative component is installed in the end face shielding part and electrically connected to the surface of the part; the positive component includes a conductive post and a mounting bracket, with one end of the conductive post extending into the electroplating area of ​​the through-hole and the other end fixed to the mounting bracket. This fixture completely prevents plating solution leakage through synergistic shielding and sealing, ensuring that the outer surface, end face, and non-electroplating area of ​​the through-hole are free of plating layer coverage; simultaneously, it enables non-destructive current conduction through the part and direct current flow to the electroplating area within the hole, significantly improving plating uniformity and electroplating efficiency.

The invention relates to the technical field of precision transmission equipment, in particular to a closed-loop pipeline high-precision electric sliding table with a grating ruler, which comprises a base, linear guide rails are fixedly connected to the left side and the right side of the top of the base, and a sliding block is slidably sleeved on the surface of each linear guide rail; guide side plates are installed on the front side and the rear side of the sliding block through bolts, and guide sliding grooves are formed in the left side and the right side of the inner side of each guide side plate. The U-shaped circulation channel is matched with the arc-shaped guide block, so that the steel ball steers smoothly along an arc-shaped track, the clamping stagnation problem of a traditional channel is thoroughly solved, backflow is smoother, the friction coefficient is reduced through the polytetrafluoroethylene coating, the transmission efficiency is improved, the sliding block displacement is directly measured through the glass grating ruler assembly, and accumulated errors caused by indirect measurement are avoided. The incremental PID algorithm realizes rapid deviation correction, improves positioning precision and repeated positioning precision, does not have precision drift after long-term work, and is high and stable in positioning precision.

The utility model discloses a silicone rubber insulation copper-clad aluminum control cable, which relates to the technical field of cables and comprises a cable core, the cable core is composed of a copper-clad aluminum conductor and an insulation layer, the insulation layer is made of silicone rubber, elastic silicone rubber strips are arranged on the surface of the copper-clad aluminum conductor at intervals, an inner protective layer is arranged outside the cable core, and the inner protective layer is made of silicone rubber. The inner protection layer is composed of a fiber belt layer, a silicone rubber binder and a buffer layer, a shielding layer is arranged outside the inner protection layer, the shielding layer is composed of a shielding inner layer and a shielding outer layer, an outer protection layer is arranged outside the shielding layer, and the shielding outer layer is composed of a shielding inner layer and a shielding outer layer. The problems that a traditional control cable is high in cost, poor in insulation performance, insufficient in flexibility and poor in electromagnetic shielding performance are solved.

The utility model provides a stainless steel outdoor integrated kitchen with a roller shutter door. The roller shutter door stainless steel outdoor integrated kitchen comprises an outdoor integrated kitchen body composed of a stainless steel house and a stainless steel cabinet, and the stainless steel cabinet is arranged in the stainless steel house; the four hanging rings are fixedly installed at the four corners of the top of the stainless steel house correspondingly and used for moving an outdoor integrated kitchen body; and the roller shutter door is arranged on the stainless steel house and is used for shielding the stainless steel cabinet. The stainless steel outdoor integrated kitchen with the roller shutter door solves the technical problems that an existing plate type outdoor integrated kitchen is prone to being affected with damp to deform, mildewed and swollen, formaldehyde emission exceeds the standard, and moving is inconvenient.

The application provides a refrigerator. The refrigerator comprises an inner container, a mounting piece, a vacuum drawer, a magnetic field device and an electric connecting piece. The vacuum drawer comprises a drawer body and a cover. The cover and the drawer body are movably connected. The magnetic field device is arranged on the outer periphery of the vacuum drawer and is used for generating a magnetic field. The electric connecting piece comprises a power supply part and an electric connecting part. The power supply part is located in the storage chamber. The power supply part is arranged on the side of the mounting piece away from the opening of the inner container. The power supply part is used for electrically connecting with an external power supply. Part of the electric connecting part is located in the mounting cavity. The electric connecting part is arranged on the side of the vacuum drawer away from the opening of the inner container. The electric connecting part is electrically connected with the magnetic field device. The power supply part and the electric connecting part are used for butt joint in the pulling direction of the vacuum drawer. The power supply part and the electric connecting part are butt joint through the pulling of the vacuum drawer, so that the external power supply supplies power to the magnetic field device. The power supply structure is simplified through the butt joint.

This invention belongs to the field of tracked mobile robot technology, specifically a radiation-resistant six-tracked mobile robot, comprising an upper shell, a lower shell, a battery, a shielding enclosure, a main electrical control assembly, radiation-shielded electrical components, and six tracked moving parts. The six tracked moving parts include two main walking drive assemblies, two swing arm drive assemblies, two swing arm assemblies, two driving wheels, two driven wheels, two main walking tracks, four driven wheels, and four swing arm tracks. By coaxially arranging the main walking drive assemblies, driving wheels, driven wheels, and swing arm drive assemblies on the same side, this invention creates a cavity within the six tracked moving parts that can accommodate the main shell, resulting in a more compact overall structure and efficient space utilization. The shielding enclosure effectively protects and shields electrical components with low radiation dose rates, making the robot's overall operation more reliable.

The utility model relates to the technical field of communication base station monitoring, and discloses a monitoring device for a communication base station, which comprises an antenna feeder tester, the upper end of the antenna feeder tester is fixedly connected with a fixing frame, one side of the antenna feeder tester is fixedly connected with a connecting seat, the exterior of the antenna feeder tester is provided with a supportable shielding assembly, and the antenna feeder tester is fixedly connected with the connecting seat. The supporting shielding assembly comprises a bottom plate, the two sides of the bottom plate are rotationally connected with a shielding cover and a supporting plate respectively, the upper end of the supporting plate is rotationally connected with a connecting frame, a connecting assembly is arranged between the connecting frame and the connecting base, and a reset groove is formed in one end of the shielding cover. According to the utility model, through the arrangement of the supportable shielding assembly, the operation end face and the interface of the antenna feeder tester can be effectively shielded, the antenna feeder tester is convenient to open, a certain supporting angle can be provided for the antenna feeder tester, and the supportable shielding assembly can be replaced through the connecting assembly.

The utility model discloses an electromagnetic shielding plug-in card case, and relates to the technical field of electronic equipment cases, the electromagnetic shielding plug-in card case comprises a case body and a shielding panel used for sealing, the front part of the case body is oppositely provided with two flange modules, and the flange modules adopt a structure integrated with a handle. The shielding panel is fixedly installed on the rear portion of the case body, a PCB back plate and a plurality of DIN sockets are arranged in the case body, the DIN sockets are welded on the PCB back plate in an equidistant array mode, and the PCB back plate is fixedly connected with the upper cross beam and the lower cross beam. According to the utility model, the structure is simple, the shielding panel and the PCB back plate in the case are convenient to disassemble and assemble, the two shielding reeds are clamped at the two ports of the shielding panel, and the two shielding cloths are oppositely arranged on the inner side of the shielding panel, so that electromagnetic signals outside the case are effectively shielded at the seam of the shielding panel and the case body, and radiation to an internal circuit is avoided; signal transmission between electrical parts in the case is facilitated, and the anti-interference capability is high.

The utility model relates to electric power technical field provides a kind of switching power supply transformer and metering equipment, switching power supply transformer includes: transformer main body, still includes: at least two shield rings, each the shield ring includes outer shielding layer and inner insulating layer, each the shield ring is set outside the transformer main body, and at least two the shield rings are cross arrangement.The switching power supply transformer of the utility model is cross arrangement by at least two shield rings, and it is set outside transformer main body, realizes the effective shielding to constant magnetic field, and relative to the solution of traditional shield cover, the manufacturing process of shield ring is simple, cost is low, the volume of transformer main body whole is smaller, does not affect the design of circuit board in metering equipment.

The utility model relates to the field of electric power accessories, in particular to a cable structure convenient to maintain, which is characterized by comprising two cables, an insulating sleeve and at least one locking assembly, wire cores of the two cables are butted together, the insulating sleeve is sleeved at the butted position of the two cables, and the locking assembly is arranged on the insulating sleeve. The insulating sleeve is arranged on the cable core, two ends of the insulating sleeve can be respectively sleeved on insulating skins of the two cables in a sliding and sealing manner, the locking assembly comprises an insulating lantern ring and at least one locking screw, the insulating lantern ring is tightly sleeved on the cable core, the locking screw is screwed on the insulating sleeve, and the locking screw can be tightly pressed on the insulating lantern ring. The utility model has the advantages of simple and convenient maintenance, high maintenance efficiency, low maintenance cost, high reliability, strong applicability and the like.

The utility model relates to building decoration material technical field, concretely relates to a kind of aluminium veneer and STP vacuum panel composite heat preservation sound insulation radiation-proof fireproof decorative wallboard, it includes: all-aluminum decorative plate, the thickness of all-aluminum decorative plate is 1mm, and it is rectangular outer contour;STP vacuum heat insulation board, the STP vacuum heat insulation board is overlapped and arranged in the side of all-aluminum decorative plate;Radiation shielding layer, the radiation shielding layer is located between all-aluminum decorative plate and STP vacuum heat insulation board.The utility model is optimized structure design, solves the deficiency of existing indoor and outdoor decoration material in heat preservation, sound insulation, radiation protection, fire prevention and aesthetic aspect, while simplifying construction technology, improve construction efficiency.

The present disclosure provides a connection mechanism having a shield, an electric energy transmission apparatus and a motor vehicle, in which the connection mechanism includes a functional cable, a plug-in terminal, a protective conductor, a grounding terminal, an inner shell integrally formed with the functional cable and the plug-in terminal, and a protective shielding shell disposed on at least part of an outer periphery of the inner shell; the functional cable is provided having a shielding layer, one end of the protective shielding shell is at least partially electrically connected to the shielding layer, and the other end thereof is at least partially electrically connected to the protective conductor or the grounding terminal; the connection mechanism having a shield is provided with the inner shell which is integrally injection-molded with the functional cable and the plug-in terminal, so that the processing is simple, and the cost is much lower than that of a shielding metal shell; through a plug-in cooperation between the connection mechanism having a shield and a mating connection mechanism, as well as the electrical connection having a shielding net of the functional cable and the shielding layer, it is possible to effectively shield the electromagnetic interference in the connection mechanism, and reduce the electromagnetic interference on other devices.