240results about "Screening gaskets/seals" patented technology

Systems and apparatus are provided for a high-power microwave sensor using an unmanned aerial vehicle. The unmanned aerial vehicle may include a central body, at least one electric motor, and a barometric pressure feedthrough. The central body may include a first enclosure housing a plurality of low voltage components, a voltage feedthrough connector, and a second enclosure housing a plurality of high voltage components. The low voltage components may include a first signal processing system, a first radio transceiver, a flight controller, a second signal processing system, a second radio transceiver, and a navigation system. The high voltage components may include a plurality of electronic speed controllers, a power distribution module, an input power interface, and a plurality of high power filters. The components of each enclosure may be segregated such that the high voltage components do not create electromagnetic interference with the low voltage components.

A radio frequency (RF) feedthrough component having an impedance greater than 20 ohms is disclosed. The feedthrough includes a ceramic body having a flexible non-ferrous conductor adhered to its outer peripheral surface and to an inner peripheral surface of an aperture through the ceramic body. A non-ferrous conductive lead is disposed through the aperture and protrudes from at least one side thereof. A non-ferrous hermetic seal is formed between a portion of the non-ferrous conductive lead disposed in the aperture and the non-ferrous conductor adhered to the surface of the aperture. The RF feedthrough can be assembled in an opening of a conductive housing to form an electromagnetically shielded package for an electrical circuit.

The invention discloses a command vehicle rack-mounted power supply management system, and the system comprises a power supply filtering module which carries out the filtering of power supply input, and removes the high-frequency electromagnetic interference possibly carried by a power line; the electromagnetic shielding module is used for shielding electromagnetic radiation inside and outside the system; the grounding management module is used for providing a unified grounding point of the system and ensuring that all electrical connections have the same potential so as to reduce electromagnetic interference generated by the difference of the grounding point; the signal transmission optimization module is used for ensuring that signal transmission channels inside and outside the system are not influenced by electromagnetic interference; the electromagnetic interference suppression module is used for suppressing transient high-frequency interference generated in the system; and the environment monitoring and feedback module is used for monitoring electromagnetic environments inside and outside the rack in real time and automatically adjusting an EMC protection strategy of the system according to monitoring data so as to adapt to different working conditions. The command vehicle can adapt to a complex electromagnetic environment and ensure stable operation of equipment in the command vehicle.

A door assembly provides EMC shielding to provide EMI / RFI protection. The door assembly has an EMC door frame, an EMC door, and EMC seals for maintaining a circuit between the door frame, the floor (e.g., threshold, flooring, etc.), and / or the door. The door assembly may also utilize one or more EMC elements (e.g., EMC tape, paint, adhesive, coatings, caulk, etc.) that may be used to create the circuits between the components of the door assembly and / or with other components of the building (e.g., between the door frame and the wall). The EMC shielding is used to reduce (e.g., limit, block, etc.) the levels of electrogenic interference (EMI) / radio frequency interference (RFI) radiation that is able to pass by the shielding. Moreover, the door assembly also provides improve additional door assembly performance (e.g., sound, weather, air flow, heat, cold, or the like abatement, energy harvesting, or other performance benefits).

A high voltage junction block includes a block housing accommodating a circuit module distributing high voltage, a bus bar extending from the block housing, and supplying electric power to an electric power supply target body, a sealing member surrounding a circumference of the bus bar, and protecting moisture from flowing into the bus bar and a terminal of the electric power supply target body electrically connected to the bus bar, and a shield plate provided between the block housing and the sealing member, and protecting noise generated from the electric power supply target body from being leaked to the outside.

The vehicle-mounted domain controller structure comprises a metal frame, a heat dissipation module, a top cover assembly and a bottom cover, a first installation cavity and a second installation cavity are integrally formed in the metal frame, and the two installation cavities are physically isolated through a continuous metal partition plate; a high-speed signal board is fixedly mounted in the first mounting cavity, and a main control board is fixedly mounted in the second mounting cavity; and the plate surface of the continuous metal partition plate is respectively parallel to the mounting plane of the high-speed signal plate and the mounting plane of the main control plate. According to the vehicle-mounted domain controller structure provided by the invention, through rigid physical separation and continuous electromagnetic shielding, effective isolation of a high-speed signal circuit and a high-power main control circuit in a physical space and an electromagnetic environment is fundamentally realized, and an inter-board coupling noise path is thoroughly blocked; and the signal integrity, the electromagnetic compatibility, the thermal management efficiency and the long-term reliability of the whole system are obviously improved.

The present disclosure provides an on-board power supply device (1) The on-board power supply device includes a housing and an electromagnetic interference shielding element (2), wherein the housing includes a cover (11) and a wall (12), the wall (12) separates two adjacent spaces in the housing, and the electromagnetic interference shielding element (2) is arranged between the cover (11) and the wall (12) and is in electrically conductive contact with the cover (11) and the wall (12). The present disclosure also relates to a vehicle including the on-board power supply device.

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.

A chassis configured to hold a cards of at least two form factors comprising: slots disposed in an inner portion the chassis, wherein the slots are aligned with one another and configured to act as card guides; a mid-height structure disposed adjacent a side wall of the chassis, the mid-height structure comprising a second plurality of slots and a third plurality of slots disposed on top and bottom surfaces of the mid-height structure that are substantially parallel to top and bottom walls of the chassis; and a plurality of cooling channels disposed within the walls of the chassis as well as within the mid-height structure, wherein the second and third plurality of slots are configured to align with at least a subset of the plurality of slots disposed in the top and bottom chassis walls and to act as card guides.

An electromagnetic pulse (EMP) protection control method and system for an electronic device, and a terminal device, relating to the technical field of EMP protection. The method comprises: acquiring EMP data of a target electronic device in real time; processing and analyzing the EMP data to obtain a signal strength and a signal frequency which correspond to the EMP data; on the basis of comparative analysis between the signal strength and a corresponding specific threshold, between the signal frequency and a corresponding specific threshold, and between the EMP data and a known EMP event database, determining whether an EMP event occurs; and if the EMP event occurs, using a protection strategy to perform a protection operation on the target electronic device. The EMP protection control method for an electronic device is applied to the electronic device, so that the protection strategy is used to protect the electronic device when the EMP event occurs to the electronic device, so as to enable the electronic device to continue working under a redundant system, thereby improving the running reliability of the electronic device, and also ensuring that the electronic device can continue working when the EMP event occurs.

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.

The invention discloses an electromagnetic-thermal-stress collaborative optimization power module packaging device, which belongs to the technical field of electromagnetic compatibility and thermal management of power modules and comprises a cover plate and a five-surface metal shell. The cover plate is a PCB and is composed of a solder mask layer, a first insulating layer, a first shielding metal layer, a second insulating layer, a second shielding metal layer, a third insulating layer and a weldable metal layer which are sequentially stacked from top to bottom. The weldable metal layer is laid on the edge of the PCB. The weldable metal layer of the PCB is fixedly connected with the milling groove in the end face of the metal base through high-frequency induction tin soldering to form a totally-closed electromagnetic shielding cavity. The cover plate is a high-thermal-conductivity ceramic substrate, heat dissipation through holes are formed between the metal layers, the cover plate is in heat conduction connection with the end face of the five-face metal shell through the heat dissipation through holes, and efficient heat management is achieved. The invention has the advantages of excellent electromagnetic shielding performance, high heat dissipation efficiency, strong assembly reliability, compact structure and the like, and can be applied to the fields of communication base stations, aerospace and the like with strict requirements on electromagnetic environments.

The invention relates to a sealing arrangement (D) for sealing a housing and for shielding the housing of an electrical energy storage device from electromagnetic radiation, comprising an electrically insulating core element (1) and an electrically conductive contacting element (3) which partially encloses the core element (1) along its longitudinal axis. According to the invention, an adhesive element (2) is provided for the partially materially and positively connecting the core element (1) to the contacting element (3). Furthermore, the invention relates to an electrical energy storage device and a vehicle having such an electrical energy storage device.

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.

There is a housing preferably for accommodating electrical components. The housing has the following: (A) at least one first housing part and at least one second housing part, which form a closed housing when assembled, (B) at least the first housing part has a circumferential edge or circumferential contour in an edge area, (C) at least one compressible element, which is at least arranged on the circumferential edge or in or on the circumferential contour, and which is arranged between the first housing part and the second housing part in the assembled state, and (D) and at least one first electrically conductive layer. The first electrically conductive layer covers the inside of the first housing part in the assembled state of the housing.

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.

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 an enclosure component is affixed to an outside surface of the first scaffold and to an outside surface of the second scaffold, and in which, once affixed to the first scaffold and to the second scaffold, the enclosure component overlaps at least a portion of the scaffold interface.

The invention relates to an electronic assembly (1) comprising two carrier bodies (3, 4) for electronic components, which are to be electrically connected to one another at contact points (5). The invention provides 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). An electrically conductive, incompressible shielding frame (9) enclosing the contact points (5) is arranged between the two carrier bodies (3, 4).The two carrier bodies (3, 4) are joined together in such a form-fitting manner that the compressible elastic electrically conductive contacting elements (6) arranged on one carrier body (3) are electrically connected to the corresponding contacting 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).

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.

A shielding structure and method for unshielded cables penetrating a cabin with high shielding requirements. The shielding structure includes a metal boss connected to the inside of the cabin. The cabin-penetrating cable passes through the metal boss and the cabin's cable hole, and the cabin-penetrating cable's connector plugs into the equipment inside the cabin. Aluminum film is wrapped around the cabin-penetrating cable, the connector until it overlaps the equipment casing, and the outer wall of the metal boss until it overlaps the cabin. The shielding method includes: wrapping the cabin-penetrating cable with aluminum film, with the wrapping starting and ending at the plug base and the cabin-penetrating cable insertion position, and leaving a reserve of aluminum film at both ends. After the connector is inserted into the equipment, the reserved aluminum film is completely wrapped around the connector and ensures a good overlap with the equipment casing. A metal boss is installed at the cable hole, and the cabin-penetrating cable is passed through the metal boss and out of the cabin. The reserved aluminum film is completely wrapped around the outer wall of the metal boss and ensures a good overlap with the cabin panel. This method is low-cost, simple to operate, and easy to implement, and can effectively prevent the cabin-penetrating cable from damaging the cabin shielding effectiveness.

A modular system of medical article containers is used to form enclosures of selectable storage space. The containers are each RF shielded and include an interconnect wall for connecting to another container to form the enclosure. The interconnect walls have a complementary design. The interconnect seam of two containers includes an electrically conductive component that also interconnects the RF shields of the two containers together. The interconnect seam also includes a tortuous path seal for greater RF shielding of the enclosure. The walls of the containers include a substrate of non-electrically conductive material for weight reduction and an electrically conductive element that is coextensive with the substrate. One embodiment is a plastic substrate with a metallic mesh. The enclosure provides a Faraday cage about the interconnected containers. Enclosures of differing heights and sizes can be made, and they may be stacked or otherwise assembled.

The utility model relates to a radio frequency feed-through component, a coaxial radio frequency feed-through component and a packaging piece for a radio frequency circuit. A radio frequency (RF) feedthrough component having an impedance greater than 20 ohms is disclosed. The radio frequency feedthrough component includes a ceramic body having a flexible non-ferrous conductor adhered to an outer peripheral surface of the ceramic body and to an inner peripheral surface of a hole passing through the ceramic body. A non-ferrous conductive lead is disposed through the aperture and projects from at least one side of the aperture. A non-ferrous hermetic seal is formed between a portion of the non-ferrous conductive lead disposed in the hole and a non-ferrous conductor adhered to an inner circumferential surface of the hole. The RF feedthrough component may be assembled in the opening of the conductive housing to form an electromagnetic shielding package for the circuit.

An apparatus for a light source includes: an electrical insulator that defines a channel; a gasket that surrounds at least a portion of the electrical insulator; and a shield between the channel and the gasket. The channel is configured to receive an electrical conductor. The gasket includes a non-metallic material.

The utility model discloses a supporting device for installing electronic equipment. The supporting device comprises a panel assembly, an electromagnetic protection assembly, a shell assembly and a support assembly. The shell assembly is arranged between the panel assembly and the electromagnetic protection assembly. The electromagnetic protection assembly is arranged between the shell assembly and the support assembly. The bracket assembly includes an extension structure. The extension structure extends toward the housing assembly and is at least partially disposed within the housing assembly.

The invention relates to a housing with a seal. The invention relates to a housing (1), preferably for accommodating electrical components, comprising: at least one first housing part (2) and at least one second housing part (4), which, when assembled, form a closed housing (1); wherein at least the first housing part (2) has a circumferential edge (8) or a circumferential contour in an edge region; at least one compressible element (6, 60), which is arranged at least on the circumferential edge (8) or in or on the circumferential contour and, in the assembled state, is arranged between the first housing part (2) and the second housing part (4), and at least one first electrically conductive layer (10), which is electrically conductive with respect to the first housing part (2) and the second housing part (4), is provided, the first conductive layer (10) covers an inner side (13) of the first housing part (2) in an assembled state of the housing (1).

In a housing (1), preferably for accommodating electrical components, with - at least one first housing part (2) and at least one second housing part (4), which form a closed housing (1) in an assembled state, - wherein at least the first housing part (2) has a peripheral edge (8) or peripheral contour in the edge region, - at least one compressible element (6, 60) which is arranged at least on the peripheral edge (8) or in or on the peripheral contour, and which, in the assembled state, is arranged between the first housing part (2) and the second housing part (4), characterized in that at least one first electrically conductive layer (10) is provided, wherein, in the assembled state of the housing (1), the first electrically conductive layer (10) covers the inner side (13) of the first housing part (2).

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.

A shield contact system includes a first shield having a first shield body and a protrusion extending from the first shield body, and a second shield having a second shield body and a contact beam extending from the second shield body. The first shield and the second shield are inserted together along an insertion direction from a deflected state to a mated state. The protrusion deflects the contact beam away from the first shield body in the deflected state. The contact beam abuts the first shield body in the mated state.

Disclosed are an electrically conductive gasket and an electromagnetic wave shielding device applying same, the gasket being easily pressed with a small force due to the restoring force of a bending portion of a polymer film and achieving reliable electrical contact with an object. The electrically conductive gasket comprises a polymer film having an adhesive layer formed on the inner surface thereof and a metal layer formed on the outer surface thereof, wherein the polymer film is bent to surround the adhesive layer on at least one side so as to form a bending portion, the adhesive layer is not adhered to itself at at least a part of the bending portion such that an inner space surrounded by the polymer film is formed, the adhesive layer is adhered to itself at a part, excluding the bending portion, where the polymer film overlaps such that a support layer is formed, and a support part is formed by the support layer and the part where the polymer film overlaps.