65results about "Screening gaskets/seals" patented technology

A system board includes a module board that connects to the system board with an interposer having compressible connectors. The module board can further be covered by a shield that has a metal alloy having an element to provide good electrical conductivity and an element to provide structural integrity and heat transfer. The module board can further include gaskets to interconnect the shield to a ground plane of the module board. the interposer board can further include an extra column of ground connections to reduce signaling noise between the interposer board and the system board.

An inverter assembly may include a housing with a base and side walls, wherein one of the side walls includes an opening extending through the wall, and wherein the side walls form a periphery around an interior of the housing. An inverter assembly may include a header with a body, the body having a first end and a second end, wherein the body further includes a flange disposed between the first end and the second end, and wherein a portion of the body extends through the opening such that the flange abuts the side wall. An inverter assembly may include a bracket positioned within the interior of the housing and coupled to the housing. An inverter assembly may include a choke that is fully enclosed in a circumferential direction, wherein the choke is positioned within the bracket and against an inner surface of the bracket facing the opening.

The invention belongs to the technical field of electromagnetic radiation leakage, and particularly relates to a low-leakage handheld terminal. According to the method, efficient electromagnetic shielding is achieved in a Faraday cage structure mode through lap joint of all parts, the surface of a resistance screen is covered with an irregular metal net, and the space between the irregular metal net and a front cover is filled with an aluminum silver-plated conductive rubber plate used for cushioning and extrusion to achieve electric continuity between the irregular metal net and the front cover. The front cover, the middle frame and the rear cover are electrically continuous through opposite-penetrating screws, and copper foils are filled among contact surfaces of the middle frame, the rear cover and the front cover to enhance conductivity, so that the whole handheld terminal structure is in an electrically continuous state. The broadband electromagnetic shielding material has the beneficial effects that the electromagnetic shielding performance is remarkably improved, broadband effective protection is realized, the problem that the frequency band of a traditional electromagnetic shielding material is narrow is effectively solved, the shielding effectiveness of 40-50dB is realized in the broadband range of 30MHz to 1GHz, and the information safety level of equipment in an electromagnetic sensitive environment is remarkably improved.

The purpose of the present disclosure is to provide a device in which a microwave-blocking container is provided inside a vacuum container, and which makes it possible to more easily and more definitively block microwaves. A device according to the present disclosure is equipped with a housing, a vacuum container provided inside the housing, and a microwave-blocking container which accommodates an object to be treated and is provided inside the vacuum container, and is characterized in that the microwave-blocking container has a microwave radiation part and an opening which blocks microwaves and allows a gas inside the microwave-blocking container to flow into the vacuum container.

The invention discloses a supporting device for installing electronic equipment. The supporting device comprises a panel assembly, an electromagnetic protection assembly, a shell assembly arranged between the panel assembly and the electromagnetic protection assembly, a support assembly and a containing assembly arranged on the support assembly and used for containing the electronic equipment. The electromagnetic protection assembly is arranged between the shell assembly and the support assembly. The panel assembly includes a hole. The housing assembly includes a housing projection. The shell protruding part is arranged in the hole of the panel assembly. The hole of the panel assembly exposes the protruding part of the shell.

An electromagnetic compatible enclosure, for example, a junction box of an electric or hybrid vehicle, having a housing having a cavity, a cover secured to the housing with a plurality of fasteners, the cover enclosing the cavity. The cover includes a metal plate and a polymer body fixed to the metal plate.

Disclosed is an electronic device. The electronic device includes: a shield can including a first cavity and a first opening to communicate with the first cavity; an electronic component disposed in the first cavity; a shielding sheet disposed at an upper portion of the shield can, communicating with the first cavity , and defining a second cavity, the shielding sheet including a first part contacting the shield can; a heat-dissipation member disposed on the shielding sheet to close the second cavity; and a thermal interface material (TIM) disposed between the heat-dissipation member and the electronic component. The shield can, the shielding sheet, and the heat-dissipation member are electrically connected to each other, the electronic component, the TIM, and the heat-dissipation member are thermally connected to each other, the first cavity has a first width, and the second cavity has a second width, greater than the first width.

The invention belongs to the technical field of electronic board card testing, and particularly relates to an electronic board card testing case which comprises a case body, an upper pressing block and a lower pressing block, a plurality of holes are formed in the peripheries and the side faces of the upper pressing block and the lower pressing block, the case body is connected with the upper pressing block and the lower pressing block through screws or bolts, and unthreaded holes are formed in the upper pressing block and the lower pressing block. The upper pressing block and the lower pressing block penetrate through the unthreaded holes through screws or bolts to be connected with the vibration table and are locked through nuts. A vibration test tool and a shielding test tool of the electronic board card are comprehensively designed into one tool, and through structural optimization design, the performance of light weight, good heat dissipation effect, good mechanical property and good shielding effect is achieved. According to the invention, a vibration tool and a shielding test tool are combined, so that the types of tools are reduced. Moreover, in a vibration test, the device can be used in X, Y and Z directions. The electromagnetic shielding device is light in weight, convenient to operate and good in electromagnetic shielding effect.

The invention provides a ship signal monitoring module structure and a ship automation system, the ship signal monitoring module structure comprises a case, a panel assembly, a back plate and a plurality of functional modules, the structure adopts a systematic electromagnetic shielding and electrostatic discharge design, and the ship signal monitoring module structure comprises a case-level shielding system and a control system, the inner surface subjected to conductive oxidation treatment, the elastic shielding reed in contact with the mounting bracket and the independent grounding interface form a first-stage shielding and grounding path; according to the module-level shielding system, gaps between panels of all functional modules are filled with shielding materials, and the panels and the case are electrically and continuously connected through elastic shielding reeds and anti-falling screws to form second-level shielding. According to the board card level shielding system, a circuit layout and protection design including a complete ground plane, an isolation design and an electrostatic discharge strip is adopted for a PCB board card of each functional module, and third-level shielding is formed. And the case-level shielding system, the module-level shielding system and the board-card-level shielding system are connected with one another through low-impedance grounding paths to form a comprehensive protection system for cooperative work.

The invention relates to a shielding housing (10) for the mechanical protection and electronic shielding of an electronic assembly (1), comprising a first housing part (14) and a second housing part (18), which have a gap (30) in a connection area between the two housing parts (14, 18), which is at least partially filled with a sealing and shielding compound (32), wherein the sealing and shielding compound (32) has three layers (33 to 35), two of the three layers (33 to 35) being made of different materials.

To provide a high frequency circuit capable of easily predicting and controlling a cavity resonance frequency in a shield case.SOLUTION: A high-frequency circuit is provided with a printed circuit board (10) on which a circuit composed of a plurality of electronic components is arranged, a shield case (31) which is electrically connected to the ground of the printed circuit board (10) and covers the circuit, and at least one spring contact (15) which is electrically connected to the ground in a space formed by the printed circuit board (10) and the inner wall of the shield case (31), wherein the shield case (31) includes a frame (41) which is surface-mounted on the ground and is electrically connected to the ground, and a cover (51) which has a ceiling surface facing the printed circuit board (10) and is in contact with and electrically connected to the frame (41). The spring contact 15 comes into contact with a part of the ceiling surface to electrically connect the ground and the cover 51.SELECTED DRAWING: Figure 2

A thermal and vibrational management system for providing an electrical cable support and heat shield including a cable clamping device for clamping to a portion of an electrical cable and a rigid tubular sleeve having a connector end and a clamping end and an interior dimension configured to receive the electrical cable, wherein the connector end is mechanically coupled to a cooled structure and the clamping end is configured with the cable clamping device.

A high-frequency circuit includes a printed circuit board on which a circuit including a plurality of electronic components is disposed, a shield case that is electrically connected to a ground of the printed circuit board and covers the circuit, and at least one spring contact that is electrically connected to the ground in a space formed by the printed circuit board and an inner wall of the shield case, in which the shield case includes a frame that is surface-mounted on the ground and is electrically connected to the ground, and a cover that includes a ceiling surface facing the printed circuit board and is electrically connected to the frame by being in contact with the frame, and the spring contact electrically connects the ground and the cover by being in contact with a part of the ceiling surface.

An electrically and thermally conductive gasket includes a resilient core including a plurality of sides, a heat spreader disposed along at least two sides of the plurality of sides of the resilient core, and an electrically conductive layer disposed along and / or covering at least a portion of the heat spreader, such that the portion of the heat spreader is between the resilient core and the electrically conductive layer. The gasket is positionable and / or compressible between first and second surfaces to thereby define an electrically conductive path and a thermally conductive path between the first and second surfaces.

Electronic assembly (1) comprising two carrier bodies (3, 4) for electronic components which are to be electrically connected to each other at contact points (5), characterized in that a compressible elastic electrically conductive contact element (6) is arranged at the respective contact points (5) on one carrier body (3) and a corresponding contact element (15) is arranged on the other carrier body (4), that an electrically conductive incompressible shielding frame (9) enclosing the contact points (5) is arranged between the two carrier bodies (3, 4), and that the two carrier bodies (3, 4) are joined together in such a form-fitting manner,that the compressible elastic electrically conductive contact elements (6) arranged on one carrier body (3) are electrically connected to the corresponding contact elements (15) arranged on the other carrier body (4) and the shielding frame (9) is electrically connected to a ground connection (14) of the electronic assembly (1).

A device is provided. The device (110) is for current return and / or electromagnetic shielding, for use in a radio equipment. The device is electrically conductive, made of a metallic sheet which is tubular shaped and extends along an axis. The device comprises a first rim defining a first opening, and a second rim, defining a second opening. The device further comprises a flection area arranged between the first rim and the second rim. The first rim and / or the second rim are continuous, and the flection area is adapted to flex when the device is axially compressed. The second opening is to be attached to a circuit board to be seamless sealed to the circuit board. The first opening will, during said compression towards a metallic connection part of an electrical connection, provide current return and / or electromagnetic shielding between the first opening and the metallic connection part.

The invention relates to the technical field of medical instruments, in particular to an intraoperative nerve monitor anti-interference device and method based on self-adaptive filtering, the device comprises an anti-interference shell and a closed cover plate, the closed cover plate is fixedly connected with the top of the anti-interference shell through bolt sets arranged on the periphery, a monitor is placed in the anti-interference shell, and the anti-interference shell is fixedly connected with the closed cover plate through bolts arranged on the periphery of the closed cover plate. A positioning assembly used for stably limiting the monitor is further arranged on the periphery of the interior of the anti-interference shell. The anti-interference shell is of a three-layer structure comprising the protective frame, the heat dissipation cold frame and the electromagnetic shielding frame, and the electromagnetic shielding frame is provided with a carbon fiber reinforcing layer, a nickel-copper alloy conducting layer and a PEEK protective layer, so that liquid and instrument collision in an operation environment can be resisted, and external electromagnetic interference can be isolated; the positioning frame is adjusted to be tightly attached to the monitor through the inflation cavity, elastic allowance is reserved in cooperation with the adjusting spring and the damper, longitudinal buffering of the damping bottom pad and the limiting top plate is combined, and the influence of vibration in transportation and operation on the monitor can be reduced.

The present disclosure relates to a method for manufacturing a gasket for electromagnetic shielding, wherein the method comprises the steps of: a) providing a composition comprising i) a viscous material and ii) particles having electrical conductivity and ferromagnetic and / or ferrimagnetic properties; b) applying said composition to a substrate, by applying the composition in the form of a gasket having a length, a width and a height, c) applying a magnetic field across said gasket, resulting in a change in a geometry of the gasket, preferably the change results in the height of the gasket increasing, wherein the magnetic field applied is in the range of 750 – 2500 Gauss. The present disclosure further relates to gaskets manufactured by said method and their usage.

A support device for mounting electronic equipment is provided. The support device includes a panel assembly, an electromagnetic shielding assembly, a housing assembly disposed between the panel assembly and the electromagnetic shielding assembly, and a bracket assembly. The electromagnetic shielding assembly is disposed between the housing assembly and the bracket assembly. The bracket assembly includes an extension structure extending toward the housing assembly and at least partially disposed within the housing assembly.

An electromagnetically shielded electronic assembly is disclosed in which electromagnetic shielding and filtering is provided to prevent unwanted radiofrequency energy, generated from an electric device residing within the assembly, from radiating externally. The electronic device resides within a primary shielded region and is coupled, through a filter, to an external electrical conductor that extends externally from the shielding. The filter resides within a secondary shielded region that is electromagnetically shielded from the primary shielded region, with the filter electrically contacting the electromagnetic shielding within the secondary shielding region. The electronic device is housed without being brought into electrically conductive contact with the electromagnetic shielding, such that radiofrequency signals generated by the electronic device can be directed, within a blocking frequency band of the filter, to the electromagnetic shielding, thereby reducing or preventing the internally generated radiofrequency energy, within the blocking frequency band of the filter, from radiating externally.

A modular data center includes: a modular information technology component (MITC), in which the MITC includes a first scaffold; and a modular environmental control component (MECC), in which the MECC includes a second scaffold, in which the first scaffold is connected to the second scaffold to form a scaffold interface, in which, once affixed to the first scaffold and to the second scaffold, an enclosure component overlaps at least a portion of the scaffold interface, in which an EMI shielding component is affixed to an inside surface of the first scaffold and to an inside surface of the second scaffold, and in which, once affixed to the first scaffold and to the second scaffold, the EMI shielding component overlaps at least a portion of the first scaffold and the second scaffold, and overlaps at least a second portion of the scaffold interface.

A heatsink is configured to be assembled with a PCB and comprises a heatsink body having a bottom and a sidewall with an end surface configured to face the PCB when the heatsink and the PCB are assembled, and a metal gasket in the heatsink body, the metal gasket having a plurality of gasket fingers provided along a perimeter of the heatsink body. The end surface is a flat surface extending continuously along the entire perimeter of the heatsink body.

A surface mount gasket 1 includes an upper plate 10; a lower plate 20 arranged below the upper plate 10; and a plurality of connection members 30 connecting the upper plate 10 and the lower plate 20. One end of each of the plurality of connection members 30 is connected to an edge of the upper plate 10, and another end thereof is connected to an edge of the lower plate 20. The plurality of connection members 30 are evenly spaced along the edges of the upper plate 10 and of the lower plate 20.

A pair of fabric EMI gaskets run in parallel and adhered onto a perimeter of a conductive ferrous hardroom door surface. A row of magnets running in between the pair of fabric EMI gaskets is magnetically adhered onto the perimeter of the door surface. A series of conductive non-ferrous spring clips are inserted between the pair of fabric EMI gaskets in at least corners of conductive ferrous hardroom door surface. A strip of felted wool is deployed above the non-ferrous spring clips and the row of magnets. A cam lever rotatably attached between the hardroom door pries open and breaks magnetic forces between the row of magnets and a conductive ferrous surface of a door frame.

The invention discloses an anti-interference circuit board with a shielding structure, and belongs to the field of circuit boards, the anti-interference circuit board with the shielding structure comprises a grounding layer, and the top of the grounding layer is provided with a signal layer; the shielding frame is mounted on the outer side of the signal layer on the top of the grounding layer and used for forming a shielding structure on the outer side of the signal layer; the shielding cover is installed on the inner side of the top end of the shielding frame and used for being combined with the shielding frame to form a complete shielding structure, and heat dissipation fins are fixed to the top of the shielding cover; the positioning pieces are installed at the end corner positions of the shielding frame and used for limiting the position of the shielding cover at the top of the shielding frame, the shielding frame can be adjusted according to the specific size through cooperation of the grounding layer, the shielding frame, the positioning pieces, the shielding cover and the heat dissipation fins, meanwhile, the heat dissipation effect of the shielding cover is improved through the heat dissipation fins, and the heat dissipation effect of the shielding cover is improved. The signal layer is shielded through the combination of the shielding frame and the positioning member, and the assembly of the shielding cover on the shielding frame is limited through the positioning member.

A support device for mounting electronic equipment is provided. The support device includes a panel assembly including a hole, an electromagnetic shielding assembly, a housing assembly disposed between the panel assembly and the electromagnetic shielding assembly and including a housing bulge part, a bracket assembly and an accommodation assembly on the bracket assembly and for accommodating the electronic equipment. The housing bulge part is disposed in the hole of the panel assembly. The housing bulge part is exposed by the hole of the panel assembly. The electromagnetic shielding assembly is disposed between the housing assembly and the bracket assembly.

The invention discloses an integrated hybrid transmission three-phase EMC shielding structure and a design method, and the structure comprises a motor housing and an electric control housing, and also comprises a three-phase through-cylinder connector which passes through the junction of the motor housing and the electric control housing, a first retaining wall and a second retaining wall are respectively arranged between the three-phase through-cylinder connector and the motor shell and between the three-phase through-cylinder connector and the electric control shell; the first retaining wall and the second retaining wall are provided with dislocation areas in the horizontal direction, and the first retaining wall and the second retaining wall are provided with overlapping areas in the vertical direction. Compared with the prior art, by means of the labyrinth type metal retaining wall and the metal shielding elastic piece, compact space arrangement is guaranteed, electromagnetic body shielding and reflection attenuation can be effectively provided, effective dynamic sealing and electromagnetic escape restraining are carried out on gaps, assembling and independent replacement are easy, the material and process cost is greatly reduced, and the service life of the electromagnetic shielding device is prolonged. And the device can adapt to various severe working conditions of the hybrid transmission and is more reliable.

An EMC housing for an electrical component, having at least a first housing part and a second housing part, which are connected to one another via a sealing surface and together enclose a volume of the housing in a liquid-tight manner. A plate-shaped third housing part is arranged between the first housing part and the second housing part within the volume. The third housing part has a plurality of elastically deformable contact elements in at least one connection region with at least one of the first housing part and the second housing part for forming an electrically conductive connection between the housing parts.

The present disclosure provides EMC enclosures. An electromagnetic compatible (EMC) enclosure having a first part (2) and a second part (3) for forming an enclosure when assembled together. The first part (2) and the second part (3) comprise a first interface surface (4) and a second interface surface (5), respectively, for compressing a gasket (9) inserted between the interface surfaces (4, 5) when the first part and the second part are assembled together. At least one of the first interface surface (4) and the second interface surface (5) comprises a plurality of undercut regions (7) for reducing compression of the gasket (9) in the regions when the first part (2) and the second part (3) are assembled together.