25results about "EMI leakage reduction" patented technology

The invention relates to a medical device (2) comprising: an application device (6, 58) that can be brought into contact with a patient (4) to be treated, and a galvanic isolation device (8, 38, 42, 48, 52, 62) that can be connected to the application device (6, 58), wherein the isolation device (8, 38, 42, 48, 52, 62) has at least one application port (10) for connecting to the application device (6, 58) and at least one supply port (12) for connecting to a device (14), wherein the isolation device (8, 38, 42, 48, 52, 62) is configured to galvanically isolate the application port (10) from the supply port (12), characterized in that the isolation device (8, 38, 42, 48, 52, 62) has at least one first connection to the application port (10). radio unit (16) with a first antenna (17,17a) and at least one second radio unit (18) connected to the supply connection (12) with a second antenna (19, 19a), wherein the respective first antenna (17, 17a) and the respective second antenna (19, 19a) are spaced apart from each other on a support (20, 44) in a manner visibly visible to the naked eye and are preferably fixed facing each other, and wherein the at least one first radio unit (16) and the at least one second radio unit (18) are configured to transmit signals or data between the application connection (10) and the supply connection (12).

A structure formed by placing a metal sheets one on another in a sheet-thickness direction, the metal sheets each having an electrically conductive base material covered with an insulating coating, the structure including: a protrusion provided on a first metal sheet of the metal sheets that are adjacent to each other and are fastened together with a screw, the protrusion protruding toward a second metal sheet; an elastically deformable portion provided on the metal sheet in such a manner that the elastically deformable portion surrounds the protrusion, the elastically deformable portion being elastically deformable at the time of the fastening with the screw; a protrusion disposed on the metal sheet in such a manner that the protrusion protrudes toward the metal sheet, and crosses the protrusion; and an elastically deformable portion provided on the metal sheet in such a manner that the elastically deformable portion surrounds the protrusion.

The present application provides a kind of power conversion device capable of reducing the influence of electromagnetic wave on circuit substrate.Power conversion device (1) has circuit substrate (2), power conversion module (3) is oppositely arranged with circuit substrate (2), busbar (4) is connected with power conversion module (3), shielding electromagnetic wave shielding part (5).Busbar (4) extends to opposite side (S2) from one side (S1) of circuit substrate (2) through the side edge (21) of circuit substrate (2) along the thickness direction (Dt) of circuit substrate (2).Shielding part (5) is arranged between busbar (4) and the side edge (21) of circuit substrate (2), extends to opposite side (S2) from one side (S1) of circuit substrate (2) along the thickness direction (Dt) of circuit substrate (2), and extends to both sides of busbar (4) along the side edge (21) of circuit substrate (2).

The invention relates to a medical device having an application device (6, 58) which can be brought into contact with a patient (4) to be treated and an electrical isolating device which can be connected to the application device, the isolating device having at least one application terminal (10) for connection to the application device and at least one supply terminal (12) for connection to a device (14), the isolating device being configured to electrically isolate the application terminal from the supply terminal, the isolating device having at least one first radio unit (16) connected to the application terminal and having a first antenna and at least one second radio unit (18) connected to the supply terminal and having a second antenna, the respective first antenna and the respective second antenna being spaced apart from one another and preferably facing one another in a visible manner on a carrier (20, 44), the at least one first radio unit and the at least one second radio unit being configured to transmit signals and / or data between the application terminal and the supply terminal.

A structure formed by placing a plurality of metal sheets (10, 20) one on another in a sheet-thickness direction, the plurality of metal sheets (10, 20) each having an electrically conductive base material covered with an insulating coating, the structure including: a protrusion (11) provided on a first metal sheet (10) of the plurality of metal sheets (10, 20) that are adjacent to each other and are fastened together with a screw (51), the protrusion protruding toward a second metal sheet (20); an elastically deformable portion (12) provided on the metal sheet (10) in such a manner that the elastically deformable portion (12) surrounds the protrusion (11), the elastically deformable portion (12) being elastically deformable at the time of the fastening with the screw (51); a protrusion (21) disposed on the metal sheet (20) in such a manner that the protrusion (21) protrudes toward the metal sheet (10), and crosses the protrusion (11); and an elastically deformable portion (22) provided on the metal sheet (20) in such a manner that the elastically deformable portion (22) surrounds the protrusion (21), the elastically deformable portion (22) being elastically deformable at the time of the fastening with the screw (51). The end of the first protrusion (11) and the end of the second protrusion (21) contact each other at the time of the fastening with the screw (51).

An electronic device (10) comprising: a housing (11); a circuit board (12) arranged within the housing (11) on which a plurality of circuit elements are mounted; and a shielding housing (15) provided on the circuit board (12) and made of metal. Among the plurality of circuit elements, a circuit element requiring electromagnetic shielding is located in a region of the circuit board (12) where the shielding housing (15) is provided. For example, the electronic device (10) further comprises a plurality of shielding clips (16) that electrically connect the shielding housing (15) to a ground pattern of the circuit board (12). The intervals of the plurality of shielding clips (16) are configured based on a noise propagation characteristic in a vacuum.

A housing for an electrical or electronic device is described, having a first housing part (1) made of metal and a second housing part (2) made of metal, in which the first housing part (1) has a groove (4) containing a sealant and in which one or more ribs of the second housing part (2) engage. According to the utility model, the one or more ribs are designed to be crimping ribs (3).

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.

A structure in which a plurality of metal plates (10, 20), each of which is obtained by covering a conductive base material with an insulating film, are stacked in the plate thickness direction, is provided with: a protruding part (11) which is provided on one metal plate (10) among the metal plates (10, 20) that are adjacent to each other and fastened by a screw (51), and which protrudes toward the other metal plate (20); an elastic deformation part (12) which is provided in the metal plate (10) so as to surround the periphery of the protruding part (11) and which elastically deforms when fastened by a screw (51); a protruding section (21) that protrudes toward the metal plate (10) in the metal plate (20) and is disposed so as to intersect the protruding section (11); and an elastic deformation part (22) provided in the metal plate (20) so as to surround the periphery of the protruding part (21), the elastic deformation part (22) being elastically deformed when fastened by the screw (51). When fastened by a screw (51), the tip of the protrusion (11) and the tip of the protrusion (21) are in contact with each other.

The device comprises a container made of a metamaterial that is transparent to visible light and intended for holding electrical or electronic equipment. The device provides electromagnetic protection and makes it electromagnetically undetectable. The purpose of the device is to ensure user confidentiality in the use of electromagnetic waves related to telecommunications. By using a type of container to enclose any type of telecommunications device or appliance, the enclosure of the appliance is likely to prevent detection by electromagnetic waves. Thus, tracking of the appliance by electromagnetic remote sensing means, including cellular, radio frequency, or satellite communication means such as GPS, Galileo, and other systems, is impossible without first powering down the appliance.

An electronic apparatus includes a noise generation source that generates electromagnetic noise and a housing. The housing includes first and second housing components defining an accommodation space R for accommodating the noise generation source. The first housing component includes a first fixing part and at least two ridge parts extending in directions away from the first fixing part. The second housing component includes a second fixing part fixed to the first fixing part, and at least two grooves extending in directions away from the second fixing part and into which the two ridge parts enter. The ridge parts and the grooves each have a protrusion amount and a depth that make the resonance frequency of the housing different from the frequency of the electromagnetic noise.

The invention relates to an EMV housing (1) for an electrical component (2), comprising at least a first housing part (3) and a second housing part (4) which are connected to one another by means of a sealing surface (5) and which together enclose a volume (6) of the housing (1) in a liquid-tight manner, a plate-like third housing part (7) being arranged in the volume (6) between the first housing part (3) and the second housing part (4); wherein the third housing part (7) has a plurality of elastically deformable contact elements (9, 10) in at least one connection region (8) to at least one of the first housing part (3) and the second housing part (4) for forming an electrically conductive connection of the housing parts (3, 4, 7) to each other.

Power conversion device (1) comprising: a printed circuit board (2); a power conversion module (3) arranged so that it faces the printed circuit board (2); a busbar (4) connected to the power conversion module (3); and a shielding section (5) that shields against electromagnetic waves, wherein the busbar (4) extends from one side along a thickness direction of the printed circuit board (2) through a side edge (21) of the printed circuit board (2) to an opposite side of the printed circuit board (2) and wherein the shielding section (5) is arranged between the busbar (4) and the side edge (21) of the printed circuit board (2), extends from one side along the thickness direction of the printed circuit board (2) to the opposite side and extends along the side edge (21) of the printed circuit board (2) to both sides of the busbar (4).

The invention relates to an electric machine (1) comprising a machine housing (2) and power electronics (4) housed in an inverter housing (3), wherein the inverter housing (3) is connected to the machine housing (2) and an interface (5) is formed between the inverter housing (3) and the machine housing (2), through which at least one electrical conductor (6) is passed and the power electronics (4) is thus electrically connected to a winding (7) of the electric machine (1), wherein the interface (5) is formed by a first housing opening (8) in the machine housing (2) and by a second housing opening (9) in the inverter housing (3), wherein an EMC ring (10) formed from an electrically conductive material is arranged between the machine housing (2) and the inverter housing (3), which surrounds the at least one electrical conductor (6) without contact.

The present invention relates to an electric drive system for a vehicle and to a shielding device for electromagnetically shielding electric or electronic components. The shielding assembly comprises a housing part which defines a receiving space for receiving the electrical or electronic components with an access opening and has an electrically conductive contact structure arrangement in the region of a circumference of the access opening, and a cover which extends in a planar manner for closing the access opening of the housing part and has a metal layer; wherein the cover can be positioned on the housing part such that the metal layer closes the access opening and the metal layer and the contact structure arrangement of the housing part are in direct contact with one another.

Disclosed are apparatuses and techniques for fabricating apparatuses used as test platforms and commercial devices. In an aspect, an apparatus includes a non-conductive frame and a first shield structure. The first shield structure is part of the non-conductive frame. The first shield structure includes a first laser-activated surface structure, a first base metal disposed on the first laser-activated surface structure, and a first plating metal disposed on the first base metal.

An electronic device includes: a housing; a board that is disposed inside the housing and on which a plurality of circuit elements are mounted; and a shield case that is provided on the board and is made of metal. Among the plurality of circuit elements, a circuit element requiring electromagnetic shielding is placed in a region of the board where the shield case is provided.

An electronic device (10) is provided with: a housing (11); a substrate (12) which is disposed inside the case (11) and on which a plurality of circuit elements are mounted; and a shielding case (15) that is provided on the substrate (12) and is made of a metal, and a circuit element that requires electromagnetic shielding among the plurality of circuit elements is disposed in a region on the substrate (12) where the shielding case (15) is provided. For example, the electronic device (10) may also be provided with a plurality of shield clips (16) for electrically connecting the shield case (15) and the ground pattern of the substrate (12), and the interval between the shield clips (16) is set on the basis of the propagation characteristics of noise in a vacuum.

The present invention relates to an electric drive system for a vehicle and a shielding device for the electromagnetic shielding of electrical or electronic components. The shielding assembly comprises a housing part which defines a receiving space for receiving the electrical or electronic components with an access opening and has an electrically conductive contact structure arrangement in the region of a circumference of the access opening, and a planar extending cover for closing the access opening of the housing part, which has a metal layer; wherein the cover can be positioned on the housing part such that the metal layer closes the access opening and the metal layer and the contact structure arrangement of the housing part are in direct contact with each other.

The invention relates to an EMC housing (1) for an electrical component (2), comprising at least a first housing part (3) and a second housing part (4) which are connected to each other via a sealing surface (5) and together enclose a volume (6) of the housing (1) in a liquid-tight manner, wherein a plate-shaped third housing part (7) is arranged within the volume (6) between the first housing part (3) and the second housing part (4); wherein the third housing part (7) has a plurality of elastically deformable contact elements (9, 10) in at least one connection area (8) with at least one of the first housing part (3) and the second housing part (4) to form an electrically conductive connection of the housing parts (3, 4, 7) to each other.