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845results about "Capacitors" patented technology

Thermal runaway prevention and heat dissipation optimization method and system based on capacitor module

The invention provides a thermal runaway prevention and heat dissipation optimization method and system based on a capacitor module, and relates to the technical field of capacitor module thermal management, and the method comprises the steps: extracting the multi-source operation data features of a single capacitor through an improved layered visual attention network, carrying out the data complementation through combining a bidirectional probability diffusion model, and obtaining a multi-source operation data feature of the single capacitor; and discovering a causal relationship between network identification data by using a causal structure, generating a performance analysis report, constructing a spatio-temporal dynamic graph neural network to predict temperature field distribution, performing fault diagnosis and uncertainty quantification in combination with a multi-task learning framework, further constructing a layered early warning mechanism, and performing early warning based on a layered reinforcement learning framework. And a dynamic prediction map and a performance analysis report are combined, a heat dissipation strategy is optimized, cooperative control of the heat dissipation units is realized, an optimal heat dissipation scheme is finally obtained, thermal runaway is effectively prevented, and the safety and reliability of the capacitor module are improved.
Owner:BEIJING RUIHE DEBAO THERMAL TECH CO LTD

System and Method for Improving Content Fetching by Selecting Tunnel Devices

A method for fetching a content from a web server to a client device is disclosed, using tunnel devices serving as intermediate devices. The tunnel device is selected based on an attribute, such as IP Geolocation. A tunnel bank server stores a list of available tunnels that may be used, associated with values of various attribute types. The tunnel devices initiate communication with the tunnel bank server, and stays connected to it, for allowing a communication session initiated by the tunnel bank server. Upon receiving a request from a client to a content and for specific attribute types and values, a tunnel is selected by the tunnel bank server, and is used as a tunnel for retrieving the required content from the web server, using standard protocol such as SOCKS, WebSocket or HTTP Proxy. The client only communicates with a super proxy server that manages the content fetching scheme.
Owner:BRIGHT DATA LTD

System and Method for Improving Content Fetching by Selecting Tunnel Devices

A method for fetching a content from a web server to a client device is disclosed, using tunnel devices serving as intermediate devices. The tunnel device is selected based on an attribute, such as IP Geolocation. A tunnel bank server stores a list of available tunnels that may be used, associated with values of various attribute types. The tunnel devices initiate communication with the tunnel bank server, and stays connected to it, for allowing a communication session initiated by the tunnel bank server. Upon receiving a request from a client to a content and for specific attribute types and values, a tunnel is selected by the tunnel bank server, and is used as a tunnel for retrieving the required content from the web server, using standard protocol such as SOCKS, WebSocket or HTTP Proxy. The client only communicates with a super proxy server that manages the content fetching scheme.
Owner:BRIGHT DATA LTD

Metal insulator metal capacitor (MIM capacitor)

A semiconductor device including a metal insulator metal capacitor (MIM capacitor), a first via connected to and through a bottom plate of the MIM, and a middle plate of the MIM, where a middle isolated portion of the middle plate of the MIM surrounds the first via. A MIM capacitor, a first via connected to and through a bottom plate of the MIM, and a middle plate of the MIM, where a middle isolated portion of the middle plate of the MIM surrounds the first via, where the middle isolated portion is surrounded by a middle isolation dielectric on all vertical side surfaces. Forming a MIM capacitor, forming a first via connected to and through a bottom plate of the MIM, and forming a middle plate of the MIM, where a middle isolated portion of the middle plate of the MIM surrounds the first via.
Owner:INTERNATIONAL BUSINESS MACHINE CORPORATION

Ultralow-temperature ox horn capacitor

The invention belongs to the technical field of capacitor protection, and particularly discloses an ultralow-temperature ox horn capacitor which comprises an aluminum capacitor shell, a base plate is fixed between the inner walls of the aluminum capacitor shell, a sealing plate is fixed to the position, close to the bottom edge, between the inner walls of the aluminum capacitor shell, and a bent pull-up edge is arranged on the outer surface of the aluminum capacitor shell. The bent pull-up edge is located between the base plate and the sealing plate, and a neutralizing device is arranged between the bottom of the base plate and the top of the sealing plate; according to the aluminum capacitor shell, the explosion-proof cavity and the bent pull-up edge are arranged in the aluminum capacitor shell, so that the volume of the explosion-proof cavity is increased by straightening the bent pull-up edge under the action of high-pressure gas when the high-pressure gas is generated in the aluminum capacitor shell, the high-pressure gas is buffered, and a circuit is cut off at the same time; and the driving assembly is triggered to position the capacitor, and meanwhile, the neutralizing device is triggered to neutralize the generated corrosive gas and then discharge the corrosive gas.
Owner:DONGGUAN AILLEN ELECTRONICS TECH CO LTD

Metal-insulator-metal structure

Semiconductor devices, integrated circuits and methods of forming the same are provided. In one embodiment, a semiconductor device includes a metal-insulator-metal structure which includes a bottom conductor plate layer including a first opening and a second opening, a first dielectric layer over the bottom conductor plate layer, a middle conductor plate layer over the first dielectric layer and including a third opening, a first dummy plate disposed within the third opening, and a fourth opening, a second dielectric layer over the middle conductor plate layer, and a top conductor plate layer over the second dielectric layer and including a fifth opening, a second dummy plate disposed within the fifth opening, a sixth opening, and a third dummy plate disposed within the sixth opening. The first opening, the first dummy plate, and the second dummy plate are vertically aligned.
Owner:TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD

Integrated efficient heat dissipation electric control shell, motor controller and electric drive assembly

The invention relates to the technical field of electric automobile motor controllers, in particular to an integrated efficient heat dissipation electric control shell, a motor controller and an electric drive assembly. Comprising a shell, a filtering assembly, a capacitor and a main function module, the shell comprises a first cavity and a second cavity, a partition is arranged between the two cavities, a cooling water tank is formed in the partition, and the two ends of the cooling water tank are connected with a cooling water channel inlet and a cooling water channel outlet respectively; a high-voltage input interface is arranged on the outer wall of the second cavity of the shell in a penetrating mode and connected with an external power supply battery pack. The filtering assembly is located in the second cavity of the shell and connected with the high-voltage input interface. The capacitor is installed in the second cavity of the shell and connected with the filtering assembly. The main function module is installed in the first cavity of the shell. The invention can solve the problems of complex assembly process, high cost, low heat dissipation efficiency, large circuit parasitic inductance and the like in the prior art, and has great popularization value.
Owner:ZHIXIN TECH CO LTD

Managing and selecting proxy devices by multiple servers

A method for fetching a content from a web server to a client device is disclosed, using tunnel devices serving as intermediate devices. The tunnel device is selected based on an attribute, such as IP Geolocation. A tunnel bank server stores a list of available tunnels that may be used, associated with values of various attribute types. The tunnel devices initiate communication with the tunnel bank server, and stays connected to it, for allowing a communication session initiated by the tunnel bank server. Upon receiving a request from a client to a content and for specific attribute types and values, a tunnel is selected by the tunnel bank server, and is used as a tunnel for retrieving the required content from the web server, using standard protocol such as SOCKS, WebSocket or HTTP Proxy. The client only communicates with a super proxy server that manages the content fetching scheme.
Owner:BRIGHT DATA LTD

Semiconductor device and method for fabricating the same

A semiconductor device includes a dielectric layer, a conductive layer formed over the dielectric layer, and a reduction sacrificial layer formed between the dielectric layer and the conductive layer, wherein the reduction sacrificial layer includes a first reduction sacrificial material having higher electronegativity than the dielectric layer, and a second reduction sacrificial material having higher electronegativity than the first reduction sacrificial material.
Owner:SK HYNIX INC

Energy storage converter and energy storage system thereof

The embodiment of the invention relates to the technical field of energy storage, and provides an energy storage converter and an energy storage system thereof. The capacitor assembly and the inductor assembly are arranged on the two sides of the plate body assembly respectively; the two ends of the connecting assembly are electrically connected with the capacitor assembly and the inductor assembly respectively; and the heat dissipation assembly is provided with a heat dissipation air channel, and at least part of the capacitor assembly is located in the heat dissipation air channel, so that the problem of low working efficiency of an inductor and a capacitor in the energy storage converter in the prior art is at least favorably solved.
Owner:ZHEJIANG JINKO ENERGY STORAGE CO LTD

Sealing structure of capacitor and capacitor

The utility model provides a capacitor sealing structure and a capacitor, and relates to the field of capacitors, and the capacitor sealing structure comprises a capacitor housing, a buffer layer, a cooling fin, a bolt seat and a sealing assembly. The radiating fins are arranged between the inner wall of the capacitor shell and the outer wall of the buffer layer, so that the radiating efficiency of the capacitor is improved, and the service life is prolonged; a buffer cavity is arranged in the buffer layer, so that the damping effect is further enhanced, and internal elements of the capacitor are protected from being damaged by impact. The sealing assembly comprises a sealing base, a connecting plate and a locking support, and the sealing performance and the structural stability are enhanced through a multi-layer structure. The sealing structure is convenient to mount and high in adaptability, the assembling and disassembling processes are simplified through the movable connection design, and the sealing structure is suitable for scenes needing frequent maintenance. And the capacitor core is connected with the shell through the sealing assembly, so that the capacitor has excellent heat dissipation performance, sealing performance and impact resistance, and the overall performance and reliability of the capacitor are improved.
Owner:GUIZHOU WEIQING DEV GRP CO LTD

Signal transmission device

A signal transmission device having a capacitor coupler includes: a semiconductor substrate; a first insulating film disposed above the semiconductor substrate; a lower electrode disposed above the semiconductor substrate across a portion of the first insulating film; an upper electrode disposed opposite the lower electrode across the first insulating film, forming a capacitor together with the lower electrode, and configured to be applied with a voltage higher than a voltage applied to the lower electrode; a second insulating film disposed above the first insulating film and covering at least a portion in an outer peripheral portion of the upper electrode that is in contact with the first insulating film; and a third insulating film disposed above the second insulating film and made of an insulating organic material. The second insulating film is made of a material having a higher insulation breakdown voltage than the third insulating film.
Owner:DENSO CORP

System And Method For Wirelessly Charging A Medical Device Battery

A system for charging a battery is provided. The system including a battery, a sterile barrier for encasing the battery, a charging device including a charging bay, and a charging controller. The battery includes a battery controller. The charging bay includes a first antenna for establishing communication with a battery controller of the battery encased in the sterile barrier in response to the battery being within a proximity of the charging bay and a second antenna for providing charging power to the battery encased in the sterile barrier. The charging controller establishes communication with the battery controller while the second antenna is deactivated, activates the second antenna after the first antenna establishes communication with the battery controller, and provides charging power to the battery via the second antenna.
Owner:STRYKER CORP

One-time programmable memory capacitor structure and manufacturing method thereof

An OTP memory capacitor structure includes a semiconductor substrate, a bottom electrode, a capacitor insulating layer and a metal electrode stack structure. The bottom electrode is provided on the semiconductor substrate. The capacitor insulating layer is provided on the bottom electrode. The metal electrode stack structure includes a metal layer, an insulating sacrificial layer and a capping layer stacked in sequence. The metal layer is provided on the capacitor insulating layer and is used as a top electrode. The insulating sacrificial layer is provided between the metal layer and the capping layer. A manufacturing method of the OTP memory capacitor structure is also provided. By the provision of the insulating sacrificial layer, the bottom electrode formed first can be prevented from being damaged by subsequent etching and other processes, so that the OTP memory capacitor structure has better electrical characteristics.
Owner:UNITED MICROELECTRONICS CORP

Power assembly apparatus and liquid cooling converter thereof

A power assembly apparatus includes a capacitor module, a power module and at least one heat sink. The capacitor includes interconnected direct current (DC) capacitor banks and a capacitor bus. The capacitor bus has a connection part. The power module has an input bus, an output bus, and three single-phase switching tube groups. Each single-phase switching tube group includes a plurality of switching modules. Each switching module is coupled to input tubes and output tubes. The input bus is connected to the connection part. The output bus is configured to output electrical energy. The heat sink has a mounting surface for mounting each of the single-phase switching tube groups for efficiently move away heat generated by the single-phase switching tube groups.
Owner:XIAMEN KEHUA DIGITAL ENERGY TECH CO LTD

Radio frequency module

In a radio frequency module, a magnetic core included in an inductor is disposed inside a through hole of a core board. An axis of winding of a coil is perpendicular to a thickness direction defined for the core board. A magnetic core has a first side surface and a second side surface intersecting with the axis of winding of the coil. A first shield portion includes a first feedthrough ground via conductor provided for the core board. A second shield portion includes a second feedthrough ground via conductor provided for the core board. The first feedthrough ground via conductor and the second feedthrough ground via conductor are arranged to interpose the magnetic core between the first feedthrough ground via conductor and the second feedthrough ground via conductor in a direction aligned with the axis of winding of the coil.
Owner:MURATA MFG CO LTD

Combined heat dissipation type power compensation capacitor

The utility model relates to a combined heat dissipation type power compensation capacitor, which comprises a capacitor body, a cooling mechanism used for cooling the capacitor body is arranged on the outer side of the capacitor body, a heat dissipation mechanism used for cooling the cooling mechanism is arranged at the upper end of the cooling mechanism, and a heat conduction mechanism used for conducting heat is arranged on the outer side of the cooling mechanism. The two sides of the heat dissipation mechanism are each provided with an air draft mechanism used for driving air to flow, the air draft mechanisms drive fan blades to rotate through a motor, directional air flow is generated, flowing of air around the heat dissipation mechanism is accelerated, more heat is taken away, a low-temperature area is formed, and continuous heat dissipation is promoted; the working principle of the whole combined heat dissipation type power compensation capacitor is a high-efficiency heat transfer process from the capacitor body to the environment, and stable operation and long service life of the capacitor body are ensured through preliminary cooling of the cooling mechanism, heat conduction of the heat conduction mechanism, wide heat dissipation of the heat dissipation mechanism and forced air cooling of the air draft mechanism.
Owner:ANHUI HANYU ELECTRIC CO LTD

Top hat structure for isolation capacitors

An isolation capacitor structure reduces the likelihood of breakdown in the passivation layers by physically re-shaping or dividing the top plate of the isolation capacitor into two segments. In that way, the electric field is driven down and away from the passivation surfaces. One embodiment utilizes a series capacitor formed by the top metal plate of the capacitor and an additional “top hat” plate above the top metal plate that redirects the fields into the main isolation capacitor. Vias may be included between the top hat plate and the top metal plate. Another approach reshapes the top plate to have an integrated top hat structure and achieves similar results of directing charge down and away from the passivation layer surface breakdown paths.
Owner:SKYWORKS SOLUTIONS INC

Busbar assembly and method of making

A busbar assembly comprises a first busbar having a first surface and a second surface opposite the first surface and having a first lead aperture formed therein. The busbar assembly also comprises a second busbar positioned adjacently to the first busbar and having a third surface and a fourth surface opposite the third surface and having a second lead aperture formed therein. The first busbar comprises an extension element extending from the second surface. The first lead aperture is formed through the extension element. The extension element has a portion thereof extending through the second lead aperture.
Owner:AES GLOBAL HLDG PTE LTD

Sealing shell of liquid-cooled capacitor

The utility model discloses a liquid cooling capacitor sealing housing, comprising a housing body, the upper end of the housing body is provided with a cooling groove, two ends of the housing body are provided with liquid cooling heads, and the liquid cooling heads are internally provided with cooling flow channels communicated with the cooling groove; a plugging opening is formed in the side, away from the shell body, of the liquid cooling head, a plugging head is riveted to the plugging opening, an assembling section clamped into the plugging opening is arranged at the front end of the plugging head, a pressing rivet section is arranged at the rear end of the plugging head, pressing rivet sawteeth arranged around the assembling section are arranged on the inner side of the pressing rivet section, and a conical guide groove arranged circumferentially is formed in the end, close to the pressing rivet section, of the assembling section. According to the utility model, the liquid cooling heads at the two ends of the shell body seal the plugging openings through the plugging heads so as to ensure the sealing performance of the cooling flow channel, the plugging heads adopt the press-riveting structures, and the press-riveting sawteeth are utilized to extrude the plugging openings, so that the peripheries of the press-riveting sawteeth generate plastic deformation, and the deformed parts are guided by the conical guide grooves, and the sealing performance of the cooling flow channel is ensured. Therefore, sealing locking with the opening area of the plugging opening is generated, the plugging head is prevented from falling off, and the sealing effect is improved.
Owner:SHANGHAI EAGTOP ELECTRONICS TECH

Bidirectional AC / DC conversion module based on IGBT discrete device

A bidirectional AC / DC conversion module based on an IGBT discrete device comprises a capacitor filter plate, an IGBT plate and a bottom plate which are arranged in parallel and fixedly connected, distances are reserved between the capacitor filter plate and the IGBT plate and between the IGBT plate and the bottom plate, the capacitor filter plate is provided with a capacitor assembly, and the IGBT plate is provided with an IGBT module. Two groups of first filter capacitors in the capacitor assembly are respectively arranged at two opposite edges of the capacitor filter plate, so that the distance between the two groups of first filter capacitors is reduced, and heat dissipation is facilitated; all the electrolytic capacitors in the capacitor assembly are located in the middle of the capacitor filtering plate, the electrolytic capacitors are arranged at equal intervals, and heat dissipation air channels are reserved, so that heat dissipation is smooth, and normal operation of all devices is guaranteed.
Owner:LUOYANG GRASEN POWER TECH CO LTD

Capacitor fixing structure for frequency converter

The utility model discloses a capacitor fixing structure for a frequency converter. The capacitor fixing structure for the frequency converter comprises a casing, the casing comprises a vertical mounting frame, the front side of the vertical mounting frame is provided with a mounting structure, and the rear side of the vertical mounting frame is provided with at least one first limiting piece; the at least one tray is arranged on the vertical mounting frame; the at least one second limiting piece is arranged on the rear side of the capacitor and is in plug-in fit with the first limiting piece so as to limit the rear side of the capacitor; and the at least one front fastener is arranged at the front side of the capacitor, and the front fastener is fixedly connected with the mounting structure and limits the front side of the capacitor. The assembling and disassembling difficulty of the capacitor can be reduced, and the replacement or maintenance efficiency is improved.
Owner:茵梦达(上海)电气传动设备有限公司

Cooling system and method and application

The invention relates to the technical field of heat exchange of capacitor filling polyurethane, and particularly discloses a cooling system and method and application. According to the system, through the synergistic effect of the temperature control module and the electric field control module, a temperature difference field and an electric field are constructed for the composite heat conduction module, and dielectric anisotropy nanosheets are induced to form a highly-oriented ordered structure in a resin matrix, so that the heat conduction efficiency of the capacitor is remarkably improved, the filling concentration of the dielectric anisotropy nanosheets is reduced, and the service life of the capacitor is prolonged. And directional arrangement of the dielectric anisotropic nanosheets is realized with a relatively low electric field intensity threshold. Compared with the prior art, the scheme not only breaks through the technical bottleneck of high filling amount of the traditional heat-conducting filler, but also reduces the directional driving force provided by an electric field through a field coupling effect, shows remarkable economic benefits and engineering application values, and solves the problems that the existing heat-conducting composite system is large in filling amount and poor in synergy heat-conducting property in all directions.
Owner:ELECTRIC POWER RES INST CHINA SOUTHERN POWER GRID CO LTD

Composite capacitor core shaft and capacitor element

The invention belongs to the technical field of power capacitor manufacturing, and particularly relates to a composite capacitor mandrel and a capacitor element. The composite capacitor core shaft comprises a core shaft body provided with a regular hexagon through hole, the core shaft body is composed of insulators, annular long holes are formed in the wall thickness of the two ends of the core shaft body in the length direction of the core shaft body, and an insulator interval is arranged between the two ends, close to each other, of the two annular long holes to form isolation. Heat conduction metal bodies are inserted into the two annular long holes respectively, the heat conduction metal bodies and the mandrel body are integrally formed, and the ends, away from each other, of the two heat conduction metal bodies make contact with metal spraying layers at the two ends of a metallized film on the capacitor element so that heat transfer of the capacitor element can be achieved. The internal hot spot temperature of the capacitor element is effectively reduced, the transverse heat conduction efficiency of the capacitor element is improved, the heat transfer effect is further improved, and the problem that heat dissipation and heat balance in the capacitor element with the enlarged geometric size become poor is solved.
Owner:XIAN XD POWER CAPACITOR CO LTD +1

System and method for wirelessly charging a medical device battery

A system for charging a battery is provided. The system including a battery, a sterile barrier for encasing the battery, a charging device including a charging bay, and a charging controller. The battery includes a battery controller. The charging bay includes a first antenna for establishing communication with a battery controller of the battery encased in the sterile barrier in response to the battery being within a proximity of the charging bay and a second antenna for providing charging power to the battery encased in the sterile barrier. The charging controller detects whether the first antenna has established communication with the battery in response to the battery being within the proximity of the charging bay and provides charging power to the battery via the second antenna in response to detecting that the first antenna has established communication with the battery.
Owner:STRYKER CORP

Content fetching by mobile device selected based on battery charge level

A method for fetching a content from a web server to a client device is disclosed, using tunnel devices serving as intermediate devices. The tunnel device is selected based on an attribute, such as IP Geolocation. A tunnel bank server stores a list of available tunnels that may be used, associated with values of various attribute types. The tunnel devices initiate communication with the tunnel bank server, and stays connected to it, for allowing a communication session initiated by the tunnel bank server. Upon receiving a request from a client to a content and for specific attribute types and values, a tunnel is selected by the tunnel bank server, and is used as a tunnel for retrieving the required content from the web server, using standard protocol such as SOCKS, WebSocket or HTTP Proxy. The client only communicates with a super proxy server that manages the content fetching scheme.
Owner:BRIGHT DATA LTD

Switch cell with additional bracket

The present invention relates to a switching cell for a motor vehicle, comprising at least one power module and an intermediate circuit capacitor, which extend side by side in an expansion plane and are electrically connected to each other along a transverse direction in the expansion plane, wherein the switching cell also comprises a metal support which is mounted on the top of the intermediate circuit capacitor along a vertical direction perpendicular to the expansion plane, wherein the metal support is in thermal contact with the intermediate circuit capacitor.
Owner:VALEO ELECTRIFICATION

Metal insulator metal capacitor (MIM capacitor)

A semiconductor device including a metal insulator metal capacitor (MIM capacitor) within back end of line circuitry of the semiconductor device, and an outer plate contact opening of an outer plate of the MIM capacitor, wherein a portion of an inner plate is removed, where portions of the outer plate are removed from corners of the outer plate opening. A metal insulator metal capacitor (MIM capacitor) within back end of line circuitry of the semiconductor device, and a non-rectangular contact opening of an outer plate of the MIM capacitor. Forming a metal insulator metal capacitor (MIM capacitor) within back end of line circuitry of the semiconductor device, and an outer plate contact opening of an outer plate of the MIM capacitor, where a portion of an inner plate is removed, where portions of the outer plate are removed from corners of the outer plate opening.
Owner:INTERNATIONAL BUSINESS MACHINE CORPORATION

Vertical memory device

A memory device includes: a first memory cell mat that includes first multi-layer level sub word lines positioned over a substrate; a second memory cell mat that is laterally spaced apart from the first memory cell mat and includes second multi-layer level sub word lines; a first sub word line driver circuit that is positioned underneath the first memory cell mat; and a second sub word line driver circuit that is positioned underneath the second memory cell mat, wherein the first sub word line driver circuit is positioned underneath ends of the first multi-layer level sub word lines, and the second sub word line driver circuit is positioned underneath ends of the second multi-layer level sub word lines.
Owner:SK HYNIX INC