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43results about How to "Guaranteed flow capacity" patented technology
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Detachable busbar for gas insulated switchgear (GIS)
ActiveCN102938537AMaintain flow capacitySimple structureBus-bar/wiring layoutsBus-bar installationFastenerBusbar
The invention discloses a detachable busbar for a GIS. The busbar comprises a drum portion, conducting rods, a fixed conductor assembly, wherein the drum portion comprises a plurality of cases which are serially arranged at intervals, a flexible connecting drum is detachably connected between two adjacent cases, each case is provided with a hand hole detachably connected with a hand hole cover, the conducing rods are connected in the drum portion, the ends of the conducting rods are connected with the fixed conductor assembly, and the position of the fixed conductor assembly corresponds to the position of the hand hole. The fixed conductor assembly comprises two conductor contact seats and a fixed conductor, wherein the two conductor contact seats are detachably connected with adjacent ends of two adjacent conducting rods respectively, the fixed conductor is provided with a U-shaped opening seat which is provided with a U-shaped opening and arranged between the two conductor contact seats, a fastener is arranged at the U-shaped opening, and the conductor contact seats and the U-shaped seat can be detachably connected through the fastener. The busbar has the advantages of being capable of maintaining the through-current capacity of conductors and convenient to assemble and disassemble.
Owner:XIAMEN HUADIAN SWITCHGEAR
Substrate and magnetic device integrated DC-DC converter and preparation process thereof
InactiveCN101651404AAvoid errorsReduce volumePrinted circuit assemblingPrinted electric component incorporationFerrite substrateElectrical conductor
The invention discloses a substrate and a magnetic device integrated DC-DC converter. A magnetic device is integrated in a circuit substrate of the converter, and a surface electronic circuit is arranged on the surface of the substrate, wherein the substrate is a ferrite substrate, and the magnetic device is a conductor coil in a shape like the Chinese character of 'hui' and forms a closed inductor with ferrites around the magnetic device; both ends of the conductor coil extend to the side of the substrate, and the conductor coil and the surface electronic circuit are connected through a sealing end at the side face. The conductor coil of the converter is embedded in the substrate, and the substrate is a carrier of the magnetic device and the surface electronic circuit, thereby realizing the passive integration of the magnetic device and the circuit substrate and ensuring that the substrate also has the functions of the magnetic device. A separated inductor or transformer is not neededto be arranged in an assembly process, thereby greatly reducing the overall volume of a power module.
Owner:UNIV OF ELECTRONICS SCI & TECH OF CHINA
Connector fault detection system
InactiveCN108828363AEnsure normal communicationReduce failureElectric connection testingEngineeringMotherboard
The invention discloses a connector fault detection system, which comprises a backplane provided with N first connectors, a main board provided with N second connectors and a power management module,wherein the first pin of each first connector is connected with the second pin, and N is a positive integer; the second connectors and the first connectors are corresponding in a one-to-one mode, thethird pin, with the same position as the first pin, on each second connector is grounded, and the fourth pin, with the same position as the second pin, on each second connector is connected with the power management module for generating in-place signals when the second connector is normally connected with the corresponding first connector; and the power management module is used for receiving thein-place signals, and when all in-place signals meet a preset condition, normal crimping of all first connectors and all second connectors is judged, and a power-on process of the main board is started. Generation of fault is reduced, and the through-current capability and the normal communication between the main board and the backplane are ensured.
Owner:ZHENGZHOU YUNHAI INFORMATION TECH CO LTD
Busbar assembly and busbar connecting structure
ActiveCN106486897AAvoid damageGuaranteed flow capacityBus-bar/wiring layoutsBus-bar installationBusbarEngineering
The invention relates to a busbar assembly and a busbar connecting structure. When the busbar assembly disclosed by the invention is used for being connected with GIS devices, a front-section busbar and a rear-section busbar are connected with two GIS devices respectively, the front-section busbar and the rear-section busbar are connected with a corrugated pipe between the front-section busbar and the rear-section busbar through a busbar connecting structure, when the two GIS devices generate mismatching in the vertical direction, the corrugated pipe between the front-section busbar and the rear-section busbar is deformed by stress, the busbars are prevented from being damaged by stress to guarantee the flow capacity of shells of the busbars, a flow guide row set is arranged between the front-section busbar and the rear-section busbar through electric conduction connection, and the front section and the rear section of a first flow guide row in the flow guide row set are articulated and connected through an articulated shaft of which an axis is vertical to the extension direction of the corrugated pipe, so that the front section and the rear section of the first flow guide row can rotate relatively so as to adapt the mismatching in the vertical direction, or the front section and the rear section of the first flow guide row are articulated and connected through a universal hinge, so that the first flow guide row can adapt deformation in various directions.
Owner:HENAN PINGGAO ELECTRIC +2
High-voltage cable pluggable-type intermediate connector for test and cable test device
PendingCN106872830AEasy to open and closeEasy to carry outElectrical testingStructural engineeringElectric cables
The invention discloses a high-voltage cable pluggable-type intermediate connector for test and a cable test device. At present, a large number of defect simulation tests are carried out on high-voltage cable intermediate connectors in China; and however, the intermediate connectors are single in structure, and the intermediate connectors need to be destroyed when observing defects, such process is irreversible and may cause damage to the defect part, and judgment of the test result is interfered directly. The high-voltage cable pluggable-type intermediate connector comprises two sections of cable conductors. The tail end of each of the two sections of cable conductors is sleeved by a contact. The two contacts are in pluggable connection with the two ends of a tubular metal shield cover respectively. The high-voltage cable intermediate connector adopts a non-fixed pluggable structure; the band-type contacts can realize tight connection between the conductors and the metal shield cover, thereby ensuring large-current flow capacity; and the pluggable intermediate connector is wholly placed on a mobile base, so that the defect part can be exposed by moving metal platforms so as to observe and adjust defect conditions and facilitate test implementation.
Owner:ELECTRIC POWER RES INST OF STATE GRID ZHEJIANG ELECTRIC POWER COMAPNY +1
Miniature ultra-low capacitance solid discharge tube and manufacturing method thereof
The invention discloses a miniature ultra-low capacitance solid discharge tube and a manufacturing method thereof. A boron-based region P is arranged on the solid discharge tube, a phosphorus diffusion buried layer N- which is partially overlapped is arranged on one side of the boron-based region P, a first phosphorus diffusion region N+ is arranged in the boron-based region P, and a plurality ofshort-circuit holes are arranged in the first phosphorus diffusion region N + to form a cellular cathode. A boron region P and a second phosphorus diffusion region N+ are arranged below the solid discharge tube, and the boron region P and the second phosphorus diffusion region N+ are arranged at intervals to form a one-way chip anode structure. In the invention, on the basis of an original low-capacitance structure design, a N- buried layer is added to the cathode so that heat sink of each cellular cathode is increased, and a flow capacity is improved on the basis of a same chip area. A boronregion and a second phosphorus diffusion region N+ are arranged in an symmetrical mode, reverse voltage drop of a single discharge tube is eliminated, and based on the design, an area of an original chip can be reduced so that the area of a PN junction is reduced, and a junction capacitance is greatly decreased.
Owner:江苏东晨电子科技有限公司
Fixed contact and fixed contact module, and GIS isolation switch
ActiveCN108269711ANot prone to breaking problemsSmall sizeHigh-tension/heavy-dress switchesAir-break switchesElectrical and Electronics engineeringEngineering
The present invention provides a fixed contact and a fixed contact module, and a GIS isolation switch. The fixed contact module comprises a fixed contact and an arcing contact, the fixed contact comprises a hollow contact seat, one end, in an axial direction, of the hollow contact seat is provided with an opening configured to allow a moving contact to plug, the other end of the hollow contact seat is provided with a fixed connection structure connected with an insulator, the inner cavity of the hollow contact seat is provided with an installation support, and the arcing contact is installed on the installation support and is extended into the opening. According to the design of the structure, the fixed contact module only needs connection of the fixed contact and the insulator with no need for preservation of a connection position of the arcing contact on the insulator so as to reduce the size of an insertion piece on the insulator; and moreover, the arcing contact is installed on thefixed contact to shorten a distance between the arcing contact and the plugging position, the breaking of the arcing contact is not easy to happen, and the reliability is high.
Owner:HENAN PINGGAO ELECTRIC +1
Outgoing line insulation sleeve and method of using same
The invention discloses an outgoing line insulation sleeve, which comprises an outgoing line sleeve main body, a heightening joint, a silicone rubber insulation piece, a fastening connection device and a silicone rubber umbrella skirt. The heightening joint can be spliced with the outgoing line sleeve main body to increase the outer insulation height of the outgoing line sleeve. The silicone rubber insulation member is in interference fit with the outgoing line sleeve main body and the heightening joint to form a stable insulating layer to prevent the electrified body at the joint portion frombeing discharged to the outside. The silicone rubber umbrella skirt is wrapped in the surface of an epoxy insulation layer of the outgoing line insulation sleeve. The invention provides an outgoing line insulation sleeve, which is a combined splicing type outgoing line insulation sleeve, and can be configured with a suitable outer insulation height of the sleeve according to different needs. Thecost of raw materials and the weight of the product are reduced, the installation strength is increased, the product umbrella skirt is not easy to damage, and at the same time the installation and positioning of the outgoing line insulation sleeve is facilitated.
Owner:TAIPINGYANG POWER EQUIP GROUP CHANGZHOU
Three phase earthing switch structure driven by duplex pull rods and distributed in I shape
The invention relates to a three phase earthing switch structure driven by duplex pull rods and distributed in an I shape. The structure is characterized in that the structure comprises an A phase moving contact component, a B phase moving contact component and a C phase moving contact component which are distributed in the I shape, one ends of the A phase moving contact component, the B phase moving contact component and the C phase moving contact component are connected with an A phase static contact component, a B phase static contact component and a C phase static contact component respectively, and the other ends of the A phase moving contact component, the B phase moving contact component and the C phase moving contact component are tightly embraced with an A phase rotating shaft, a B phase rotating shaft and a C phase rotating shaft respectively. The three phase earthing switch structure driven by the duplex pull rods and distributed in the I shape has the advantages that a main conducting element has self-compression capability, the structure is simple, the performances are reliable, the entire earthing switch is in a detachable structure, convenient to install, flexible and wide in application, the adjustment is facilitated, and the through-current capability of the switch can be adjusted by increasing or reducing the number of contact fingers of the moving contacts.
Owner:CHINT ELECTRIC
Ultrahigh-pressure long-life throttle valve for testing high-pressure pump for petroleum drilling
PendingCN114688260AReduce maintenance costsReduce fluid velocitySpindle sealingsValve members for absorbing fluid energyPhysicsTesting equipment
An ultrahigh-pressure long-service-life throttling valve for testing a high-pressure pump in petroleum drilling comprises a valve body assembly and a valve element assembly, and the valve element assembly is arranged in the valve body assembly in a sliding mode. A plurality of valve seats are fixedly arranged in the valve body assembly in an up-and-down overlapping mode, a plurality of valve elements are fixedly arranged in the valve element assembly in an up-and-down overlapping mode, and the valve seats are matched with the valve elements to form gap throttling conical rings and backflow cavities which are arranged in a multi-stage series connection mode. When ultrahigh-pressure fluid flows through the ultrahigh-pressure throttling valve, the pressure borne by each stage of gap throttling cone ring and the backflow cavity is greatly reduced through throttling of the gap throttling cone rings and the backflow cavity which are connected in series in multiple stages, and the erosion problem of the throttling valve is greatly solved; due to the design of supporting and guiding of the two ends of the valve element assembly, the anti-vibration performance of the throttling valve is greatly improved; the design of the minimum safe throttling gap is adopted between the valve element and the valve seat, even if the valve element is broken, the minimum throttling gap is still kept between the valve element and the valve seat, a throttling channel cannot be blocked, and therefore impact damage to a high-pressure pump and testing equipment cannot be generated.
Owner:中石化四机石油机械有限公司 +1
Static contact for switch cabinet, and switch cabinet
PendingCN112635205AAchieve natural emissionReduce insulation failureSubstation/switching arrangement casingsContacts enclosures/screensEngineeringHeat sink
The invention relates to a static contact for a switch cabinet, and the switch cabinet. The static contact for the switch cabinet comprises: a contact body used for being fixed in a contact box of the switch cabinet, wherein the contact body comprises an insertion section, the insertion section is of a cylindrical structure and is used for allowing a contact arm on a circuit breaker to be inserted, and an annular contact finger installation groove is formed in the inner wall face of the insertion section; an annular contact finger mounted in the contact finger mounting groove and used for being in conductive contact with a contact arm on the circuit breaker; and an insertion section cooling fin arranged at the position, corresponding to the annular contact finger, of the outer peripheral surface of the insertion section. The static contact and the contact arm are in direct plug-in fit, so that the centering of the contact arm and the static contact can be better realized, the contact arm and the static contact are better in contact, and the through-current capability is ensured; and the insertion section radiating fins are arranged at the positions, corresponding to the annular contact fingers, of the outer peripheral surface of the insertion section, so that natural dissipation of heat is realized, the cost is reduced, the partial discharge sound in the switch cabinet cannot be masked, and timely discovery of insulation faults is facilitated.
Owner:TIANJIN PINGGAO INTELLIGENT ELECTRIC +2
Busbar assembly and busbar connection structure
ActiveCN106486897BAvoid damageGuaranteed flow capacityBus-bar/wiring layoutsBus-bar installationBusbarEngineering
Owner:HENAN PINGGAO ELECTRIC +2
One-way valve structure of piston for high-voltage switch, high-speed grounding switch and GIS
PendingCN113757421ASimple structureEasy to operateCheck valvesFluid-pressure actuatorsMechanical engineeringPiston
The invention relates to a one-way valve structure of a piston for a high-voltage switch, a high-speed grounding switch and a GIS. The GIS comprises the high-speed grounding switch, the high-speed grounding switch comprises the piston, the piston is provided with the one-way valve structure, and the one-way valve structure comprises a piston body, a valve ball and a communication channel; a guide hole is formed in the piston body, and an air inlet is formed in the front end of the guide hole; the valve ball is arranged in the guide hole in a guiding mode in the front-back direction, the valve ball has a closing position and an opening position which correspond to the two tail ends of the guide stroke of the valve ball respectively, and when the valve ball is located at the closing position, the air inlet is blocked so as to close a one-way valve; and the communication channel is provided with a front channel opening and a rear channel opening, the rear channel opening communicates with the rear side space of the piston body and used for forming an air outlet, the front channel opening communicates with the guide hole, and when the valve ball is located at the opening position, the front channel opening communicates with the air inlet. The whole one-way valve is simple, opening or closing of the one-way valve is achieved through front-back movement of the valve ball, and using reliability is good.
Owner:PINGGAO GRP +3
A kind of manufacturing method of copper/aluminum nitride ceramic composite heat conduction substrate
InactiveCN104064478BAchieve depositionAchieve metallizationSemiconductor/solid-state device detailsSemiconductor/solid-state device manufacturingThermal dilatationCeramic composite
Owner:NANJING MING KUANG ELECTRONICS TECH
Targeted filtration device for composite filtration
PendingCN112844833AGood flexibility and adaptabilityGood protection equipmentMembrane filtersLubrication elementsFilter materialStructural engineering
The invention discloses a targeted filtration device for composite filtration. A coarse filter screen is arranged on the surface of a cylinder body, a first cover plate and a second cover plate are respectively arranged at the upper end and the lower end of the cylinder body, an outlet pipe seat is arranged at the lower end of the second cover plate, and a built-in filter element is arranged in the cylinder body above the outlet pipe seat; and a plurality of magnetic bar units are arranged in the barrel body at intervals in the axial direction of the barrel body, the magnetic bar units are fixed through a chuck arranged in the barrel body, the flow field range controlled by each magnetic bar unit is 0-30 mm, and the total through-flow area of the barrel body is larger than 3-4 times of the through-flow area of a pipeline. The filtration device for composite filtration has obvious use effect and strong application adaptability, can achieve the purpose of targeted filtration, and does not cause harm to oil liquid due to type selection of filter materials.
Owner:陕西观能机电科技有限公司
A connection device for the grooved busbar in the cabinet and the switch circuit breaker
ActiveCN106785945BHigh mechanical strengthEasy to assembleBus-bar/wiring layoutsBusbarElectrical connection
The invention discloses a connecting device, in particular a connecting device for a busbar channel and switch circuit breaker in switchgear and belongs to the technical field of distribution switchgear. The device comprises multiple insulation modules provided with mounting grooves and conductive plug strips, wherein the insulation modules press the conductive plug strips in the mounting grooves to form busbar plug channels, the device further comprises outer protective cases which sleeve the insulation modules and are used for protection and reinforcement, the insulation modules sleeve the conductive plug strips through the outer protective cases, and insulation partitions for isolation are arranged among plug channels. With the adoption of the connecting device, the problem that circuits for electrical connection in the switchgear are complex is solved, so that inner connecting units are modular, the connecting device is easy to assemble and free from maintenance due to adoption of the plug manner, the structure in the switchgear is effectively optimized, and the cost is reduced.
Owner:四川瀚舟铜铝复合材料有限公司
Reinforced lightning-protection insulation supporting column of annular valve plate structure
InactiveCN108053954AImprove flow capacityGuaranteed flow capacitySupporting insulatorsEpoxyManufacturing technology
The invention relates to the technical field of electric power system insulation and over-voltage protection technology and equipment, in particular to a reinforced lightning-protection insulation supporting column of an annular valve plate structure. The reinforced lightning-protection insulation supporting column comprises an epoxy resin core rod and an insulation cylinder, wherein the insulation cylinder is installed outside the epoxy resin core rod in a sleeving manner, the upper end of the insulation cylinder is provided with an upper fixed flange, the lower end of the insulation cylinderis provided with a lower fixed flange, an annular metal oxide valve plate group is arranged between the epoxy resin core rod and the insulation cylinder, and the epoxy resin core rod, the annular metal oxide valve plate group and the insulation cylinder are successively arranged in a sleeving manner, poured, sealed and arranged seamlessly. Compared with the ceramic high-voltage insulation supporting column, the reinforced lightning-protection insulation supporting column is light in weight; by an unique integrated structure, the comprehensive operation cost is low; the metal oxide valve plategroup of the annular cylindrical structure is uniform in field intensity, good in heat dissipation capacity, high in repetition resistance and high in through-current capability, so that the residuallightning over-voltage borne by power transformation equipment is lower, and the safety performance is higher.
Owner:山东耐高电力器材有限公司 +1
Golden finger structure and power source module with the same
ActiveCN103068158BSpacing has not changedAvoid the phenomenon of breakdown and short circuitElectrical connection printed elementsFinger structureComputer module
The invention discloses a golden finger structure and a power source module with the same. The golden finger structure is used for avoiding the phenomenon that in hot plug, breakdown short circuit occurs between adjacent golden fingers due to striking and arc discharging of golden fingers. The golden finger structure comprises at least two golden fingers which are arranged in an adjacent mode, the distance between front ends of the inserted direction of the two adjacent golden fingers is larger than that between rear ends of the inserted direction, and the distance between the front ends of the inserted direction of the two adjacent golden fingers is larger than that of arc extinguishing.
Owner:HUAWEI DIGITAL POWER TECH CO LTD
A connection device and method for parameter matching using it
ActiveCN106558759BGuaranteed Match RequirementsGuaranteed flow capacityAntennas earthing switches associationCoupling devicesRadio frequencyData interface
Disclosed are a connection device and a method for parameter matching using same. The connection device comprises: a first port, one end of which is connected to a microstrip line, and the other end of which is used as a data interface; a second port, one end of which is connected to the microstrip line, and the other end of which is used as a connection interface for a feed circuit of a tunable antenna; and a third port, one end of which is connected to the microstrip line, and the other end of which is used as a connection interface for an antenna calibration radio frequency channel.
Owner:SHANGHAI ZTE SOFTWARE CO LTD
Double-column horizontal rotation type isolation switch and wiring assembly
ActiveCN111243887AAchieve lightweightLower requirementElectric switchesElectrically conductiveDisconnector
The invention relates to a double-column horizontal rotation type isolation switch and a wiring assembly, and can solve the problems that a wiring assembly in the prior art adopts a conductive band structure, so that the size of a wiring seat is large, the structure is heavy, and the requirements on an insulating support column and an operating mechanism are high. The wiring assembly for the isolation switch comprises: a wiring seat which is provided with an installation cavity, wherein the cavity wall of the installation cavity is provided with a through hole; a wiring terminal which comprises a conductive main shaft, wherein a conductive main shaft of the wiring terminal is inserted into the mounting cavity through the through hole, so that the wiring terminal is rotationally assembled on the wiring seat; and a conducting strip which is fixedly connected in the mounting cavity of the wire holder and elastically abuts against the outer side surface of the conductive main shaft. The conductive sheet is always elastically abutted against the conductive main shaft and does not need to swing in the wire holder, so that an operator does not need to reserve a space for avoiding the conductive sheet in the wire holder, the whole wire holder can be more compact in structure, the light weight of the wiring assembly is realized, and the requirements on the insulating support column andthe operating mechanism can also be reduced.
Owner:HENAN PINGGAO ELECTRIC +2
A static contact, a static contact assembly, and a gis isolating switch
ActiveCN108269711BReduce in quantityReduce the amount of assemblyHigh-tension/heavy-dress switchesAir-break switchesElectrical and Electronics engineering
The present invention provides a fixed contact and a fixed contact module, and a GIS isolation switch. The fixed contact module comprises a fixed contact and an arcing contact, the fixed contact comprises a hollow contact seat, one end, in an axial direction, of the hollow contact seat is provided with an opening configured to allow a moving contact to plug, the other end of the hollow contact seat is provided with a fixed connection structure connected with an insulator, the inner cavity of the hollow contact seat is provided with an installation support, and the arcing contact is installed on the installation support and is extended into the opening. According to the design of the structure, the fixed contact module only needs connection of the fixed contact and the insulator with no need for preservation of a connection position of the arcing contact on the insulator so as to reduce the size of an insertion piece on the insulator; and moreover, the arcing contact is installed on thefixed contact to shorten a distance between the arcing contact and the plugging position, the breaking of the arcing contact is not easy to happen, and the reliability is high.
Owner:HENAN PINGGAO ELECTRIC +1
Lithium ion battery and tab and pole connecting pieces thereof
ActiveCN102969477BGuaranteed flow capacityFirmly connectedSecondary cellsCell component detailsUltrasonic weldingEngineering
The invention relates to a lithium ion battery and tab and pole connecting pieces thereof. The lithium ion battery comprises tabs drawn out from battery cells, wherein a connecting piece is connected with each tab and a corresponding pole of the battery; each connecting piece comprises a tab connecting part which is in conductive connection with the corresponding tab; each tab consists of at least two tab bodies which are separated from each other along the thickness direction of the tab and are arranged at intervals; each tab body is connected with a corresponding battery cell; and the tab connecting part of each connecting piece is provided with connecting bodies which are arranged in parallel and are attached and connected to each tab body in a matching mode one by one. Each tab is provided with the at least two tab bodies which are separated from each other along the thickness direction of the tab and are arranged at intervals, and the connecting pieces of the tabs and the poles are provided with the multiple branch connecting bodies, so that the connecting thickness of the tabs and the connecting pieces can be greatly reduced. Therefore, the tabs and the poles are easier to be connected with one another, and in particular an outstanding thickness reduction effect can be achieved for an ultrasonic welding process.
Owner:CALB CO LTD +1
an optical module
ActiveCN113271150BImprove flow capacityGuaranteed flow capacityElectromagnetic transceiversOptical ModuleControl theory
An optical module provided by the present application includes a circuit board, the circuit board includes an upper surface, an intermediate layer and a lower surface, wherein the upper surface is provided with an upper power supply structure, and the upper power supply structure includes a first power supply pin and a first power supply pin connection end , the middle layer is provided with a power supply metal layer on the projection area of the upper power supply structure, and the lower surface is provided with a lower power supply structure, and the lower power supply structure includes a second power supply pin and a second power supply pin connection terminal, wherein, on the one hand, the first The area design of the first power supply pin or the second power supply pin is larger than that of other pins, which can increase the flow capacity of the power supply signal; on the other hand, the area of the middle power supply metal layer is larger than the area of the upper power supply structure. At the same time, it is also larger than the area of the lower power supply structure, that is, the area of the power metal layer in the middle layer is designed to be larger, which can ensure the power signal flow capability, and the parasitic parameters and crosstalk are smaller, thereby meeting the power consumption of higher-speed optical modules. need.
Owner:HISENSE BROADBAND MULTIMEDIA TECH
Copper terminal for outdoor cable bypass operation
InactiveCN105680264ASolve no connection pointsSimple structureSoldered/welded conductive connectionsCoupling contact membersEngineeringCopper
The invention relates to a copper terminal for outdoor cable bypass operation, which belongs to the technical field of structures of live overhaul devices. The copper terminal of the invention comprises a copper terminal body and a bypass cable connection device communicated with the copper terminal body, wherein the bypass cable connection device is arranged on the copper terminal body and can be assembled and disassembled according to use requirements. The copper terminal for outdoor cable bypass operation has the advantages that the structure is delicately designed; convenience is provided for non-outage operation of the cable; elements can be replaced conveniently for the bypass; the operation time of the live operation is reduced; electric energy supply is added; and power supply reliability is improved.
Owner:YANTAI POWER SUPPLY COMPANY OF STATE GRID SHANDONG ELECTRIC POWER +1
Connection device and method for parameter matching by employing the same
ActiveCN106558759AGuaranteed Match RequirementsGuaranteed flow capacityAntennas earthing switches associationCoupling devicesLightning strokesEngineering
The present invention discloses a connection device and a method for parameter matching by employing the same. The connection device comprises a first port which has one end connected with a microstrip line and has the other end taken as a data interface; a second port which has one end connected with the microstrip line and has the other end taken as the connection interface of an tunable antenna feed circuit; and a third port which has one end connected with the microstrip line and has the other end taken as the connection interface of an antenna correction radio-frequency channel. According to the technical scheme, the tunable antenna feed circuit and the antenna correction radio-frequency channel are connected with the first port through the microstrip so as to ensure the matching requirement of the antenna correction radio-frequency channel while ensuring the flow capacity and the lightning-stroke protection requirement of the common wiring part.
Owner:SHANGHAI ZTE SOFTWARE CO LTD
A solid-sealed pole and a circuit breaker using the solid-sealed pole
ActiveCN106935439BGuaranteed flow capacitySolve complex structuresHigh-tension/heavy-dress switchesAir-break switchesElectricityMobile end
The invention provides a solid-sealed pole post and a circuit breaker employing the same, which are used for solving the problem of complicated movable-end outgoing line seat structure due to heat dissipation hole opening in an existing solid-sealed pole post. The solid-sealed pole post comprises a solid-sealed pole post body, wherein the solid-sealed pole post body is provided with an arc extinguishing chamber, a moveable-end outgoing line seat and a heat dissipation outlet, the movable-end outgoing line seat comprises an outgoing line part and a connection part, the connection part is electrically connected with a mobile end of the arc extinguishing structure in a moving way, a heat sink is fixedly pasted at an outer side of the connection part and is provided with a plurality of heat dissipation fins, the plurality of heat dissipation fins are arranged at intervals, and a heat dissipation passage communicating the heat dissipation outlet is formed between adjacent heat dissipation fins. The heat sink is fixedly pasted at the outer side of the connection part of the movable-end outgoing line seat, heat of the connection part of the movable-end outgoing line seat can be transferred to the heat sink, the heat dissipation passage is formed between two adjacent heat dissipation fins in the heat sink and communicates with the heat dissipation outlet, the heat generated by the connection part can be rapidly released to the exterior of the solid-sealed pole post, and the problem of complicated movable-end outgoing line seat structure is solved.
Owner:PINGGAO GRP +2
An isolating switch conductive structure composed of special-shaped aluminum tubes
ActiveCN102426967BGuaranteed flow capacityEasy to assembleAir-break switch detailsContact electric connectionContact padPower flow
The invention provides an isolation switch conducting structure formed by special-shaped aluminium tubes. The isolation switch conducting structure comprises two upper portion conductive parts and two lower portion conductive parts. The upper portion conductive parts include conductive tubes and contact pads that are installed on the conductive tubes; the two conductive tubes are symmetrically connected together through a rotating shaft pin, wherein the rotating shaft pin is in the middle of the conductive tubes, so that an X shape is formed; and connection pins are installed at the low portions of the conductive tubes. Besides, the two lower portion conductive parts are symmetrically arranged at positions, wherein the positions are below and corresponded to the upper portion conductive parts; end portion shafts are fixed at inner side ends of the two lower portion conductive parts; and pins are installed at outboard ends. And the connection pins are connected with the corresponded pins through two side plates. According to the invention, the contact pads employ a fixed contact mode with arc plane contacting; and the contact pads have simple structures and can be installed conveniently as well as the contact areas of the contacts are large. A copper belt fixed electrical connection mode is employed during the conductive connection, so that a conductive contact area is increased, current distribution is uniform and heat is radiated fast and conductive reliability is improved. Moreover, the whole conducting structure can be assembled conveniently and fast.
Owner:CHINA XD ELECTRIC CO LTD
Circuit breaker and closing resistor thereof
PendingCN114446561AFix damageShape is not restrictedNon-rotating vibration suppressionResistor mounting/supportingElectrical resistance and conductanceStructural engineering
The invention relates to a circuit breaker and a closing resistor thereof. The closing resistor of the circuit breaker comprises an insulating rod; the plurality of resistor discs are arranged, and all the resistor discs are stacked and sleeved on the insulating rod along the axial direction of the insulating rod; and the buffer piece is arranged between the insulating rod and the resistor disc so as to play a role in buffering the insulating rod and the resistor disc during vibration. According to the utility model, the buffer pad is arranged between the resistor disc and the insulating rod, so that the problem that the resistor disc and the insulating rod collide with each other and are damaged due to vibration generated in the process of transporting and operating the circuit breaker is solved, and the safety and reliability of a product during operation are improved. In addition, the buffer pad is arranged between the resistor disc and the insulating rod, so that the appearance of the insulating rod is not restrained, and diversified design can be carried out on the insulating rod.
Owner:PINGGAO GRP +3
Targeted filtering device for high-viscosity gear lubricating oil
PendingCN112844834AEasy to disassemble and cleanPrevent escapeLubrication elementsMagnetic separationGear wheelEngineering
The invention discloses a targeted filtering device for high-viscosity gear lubricating oil, which is characterized in that the surface of a cylinder is provided with a coarse filter screen, the upper end and the lower end of the cylinder are respectively provided with a first cover plate and a second cover plate, and the lower end of the second cover plate is provided with an outlet pipe seat; and a second chuck, a first chuck and a third chuck are sequentially arranged in the cylinder from top to bottom, a plurality of magnetic rod units are arranged in the cylinder at intervals in the axial direction of the cylinder and sequentially penetrate through the second chuck, the first chuck and the third chuck, and the flow field range controlled by each magnetic rod unit ranges from 0 mm to 30 mm. And the total through-flow area of the cylinder body is larger than 3-4 times of the through-flow area of the oil pump outlet pipeline. The device has obvious use effect and strong application adaptability, can achieve the purpose of targeted filtration, and does not cause harm to oil liquid due to type selection of filter materials.
Owner:陕西观能机电科技有限公司
Optical module
ActiveCN113271150AImprove flow capacityGuaranteed flow capacityElectromagnetic transceiversOptical ModuleEngineering physics
An optical module provided by the invention comprises a circuit board, the circuit board comprises an upper surface, a middle layer and a lower surface, the upper surface is provided with an upper power supply structure, the upper power supply structure comprises a first power supply pin and a first power supply pin connecting end, the middle layer is provided with a power supply metal layer on a projection area of the upper power supply structure, and the lower surface is provided with a lower power supply structure. The lower power supply structure comprises a second power supply pin and a second power supply pin connecting end, on one hand, the area of the first power supply pin or the second power supply pin is designed to be larger than that of other pins, so that the through-current capability of a power supply signal can be improved; in the other direction, the area of the middle power supply metal layer is larger than the area of the upper power supply structure and the area of the lower power supply structure at the same time, namely the area of the middle power supply metal layer is designed to be large, so that the through-current capability of a power supply signal can be ensured, parasitic parameters and crosstalk are smaller, and the power consumption requirement of a higher-rate optical module is met.
Owner:HISENSE BROADBAND MULTIMEDIA TECH
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