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32results about How to "Applicable transmission" patented technology
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Hollow light guiding cone coupling vacuum transmission laser device
InactiveCN101241209AReduce damage rateReduce nonlinear lossCoupling light guidesLight spotLaser power density
An optical fiber transmission device based on hollow light guiding cone coupling for vacuum-transmitting high-capacity laser is provided. A hollow light guiding cone is connected to the input end of the optical fiber, and small injection light spots are obtained by the hollow light guide cone to implement laser optical fiber coupling transmission. The hollow light guiding cone and the interior of the optical fiber are vacuumed or injected with inert gas to enlarge laser capacity of the optical fiber transmission system and enhance output beam quality. The invented device enlarges the lighted area on the laser input end surface effectively, reduces laser power density of the input end surface, and lowers laser damage probability. Linear and nonlinear wastage is decreased by vacuuming the laser transmission path, and the transmission efficiency of the optical fiber transmission system is increased. The invented device is provided with a simple structure, strong innovation and an evident effect.
Owner:INST OF ELECTRONICS ENG CHINA ACAD OF ENG PHYSICS
Transmission control method of wavelength division multiplexing system
InactiveCN101272214AApplicable transmissionIncrease flexibilityWavelength-division multiplex systemsMultiplexingWdm transmission systems
The invention relates to the transmission control of a wavelength division multiplexing system (WDM) in a fiber optic transmission system and proposes a transmission control method of a WDM transmission system. A channel is selected on an array wave-guide grating (AWG) at the transmitting end at intervals to carry out multi-channel signal transmission under the situation of not changing the current WDM system; the interval amount is an integer parameter m which is larger than zero, but less than one second of the amount of the channels; the channel of a receiving end AWG corresponding to the channel of the transmitting end AWG transmission signal receives the original signal transmitted by the AWG channel of the transmitting end, downloads and carries out transferring or continuously transmitting; the demodulating signal of the original signal is received in the neighboring channel of a receiving channel and the information is selected by filter or directly picked up. The transmission control method of a WDM system provided by the invention can simultaneously realize the demodulating and de-multiplexing of a nonreturn-to-zero phase position demodulating mode in the wavelength division multiplexing system without needing to carry out any alternation on the original system or adding any apparatus and is suitable for transmitting a nonreturn-to-zero (NRZ) signal and a nonreturn-to-zero differential phase shift keying(NRZ-DPSK) signal with different speeds.
Owner:HUAZHONG UNIV OF SCI & TECH
Lifting transmission rail
InactiveCN103508173AGuaranteed stabilitySimple structureSupporting framesEngineeringElectrical and Electronics engineering
The invention discloses a lifting transmission rail, and belongs to the production field of car equipment. The lifting transmission rail comprises a transmission plate, a base plate, a first connecting plate, a second connecting plate and pulleys, wherein the upper surface of the transmission plate is a trapezoid concave surface, sliding grooves are formed in two sides of the lower surface of the transmission plate in the transmission direction, studs arranged at equal intervals are arranged at one side of the first connecting plate, and the top end of the first connecting plate is shaped like a U. The pulleys are connected inside the U-shaped position through bolts, the tops of the pulleys are tangent with the upper surface of the sliding groove of the transmission plate, the number of the pulleys is N, and the pulleys are evenly distributed under the transmission plate. The second connecting plate is provided with N bolt holes corresponding to the studs on the first connecting plate, and the bottom surface of the second connecting plate is fixed to the base plate. The lifting transmission rail utilizes the bolts for limitation, further the height of the transmission rail is regulated stably and reliably, and the transmission rail adopts a special structure and prevents conveyed articles from sliding off easily, thereby improving conveying efficiency.
Owner:WUHU HANGUANG STEREO PARKING EQUIP
Integrated implementation device of television, network transmission
InactiveCN1620132AReduce lossAchieve coverageElectrical cable transmission adaptationLine-transmissionCoaxial cableInteractive television
A television and network transmission integration device modulates 802.11a / 802.11b / 802.11g signal to )-65MH signal which can be adaptive transmitted in coaxial cable through impedance conversion, signal amplifying and filtering. Said invention can be used in cable TV network data transmission, wireless network domestic covering, digital TV STB and interactive television.
Owner:杭州初灵信息技术有限公司
Method for XML-based data transmission between SAP systems
ActiveCN103744991AAchieve unificationSolve the problem of definition modificationSemi-structured data retrievalSpecial data processing applicationsStructure of Management InformationBusiness data
The invention discloses a method for XML-based data transmission between SAP systems. Data content and formats are encapsulated in the standard XML so as to realize data transmission between the SAP systems. Architectural differences of system business data can be shielded, and particularly, interface definition differences between the systems can be shielded by application of the standard data type STRING, and thus, data interface unification can be realized. The XML-based method is applicable to data transmission after changing of the two systems.
Owner:STATE GRID CORP OF CHINA +2
Novel lifting antiskid transmission rail
InactiveCN104261084AAvoid wear and tearGuaranteed stabilitySupporting framesMechanical conveyorsSkid plateSlide plate
The invention discloses a novel lifting antiskid transmission rail, and belongs to the production field of automobile equipment. The novel lifting antiskid transmission rail comprises a transmission plate, antiskid plates, pulleys, sleeves, sleeve columns, a base, a first connecting rod and a second connecting rod, wherein the upper surface of the transmission plate is a trapezoidal concave surface, and the two sides of the lower surface of the transmission plate are provided with the sawtooth-shaped antiskid plates; first thread holes are formed in one sides of the sleeves at equal intervals, and the sleeves are connected with the pulleys through bearings; the tops of the pulleys are tangent to the lower surfaces of the antiskid plates; N pulleys are provided, and are evenly distributed at the bottoms of the antiskid plates; the sleeve columns are provided with N second thread holes corresponding to the first thread holes in the sleeves and having the same size with the first thread holes in the sleeves; N is an integer; the first thread holes and the second thread holes are connected by thread pins, and are fixed by nuts; and the bottom surfaces of the sleeve columns are fixed on the base. The combination of the thread pins and the thread holes is used for limiting, and the height of the transmission rail is adjusted to achieve the effects of stability and reliability; and the sawtooth-shaped antiskid plates can enable transported pieces to be not slipped from the two sides to fail to slide along the antiskid plates, so that the transportation efficiency is improved.
Owner:WUHU HUANQIU AUTO PARTS
One-directional transporting device for workpieces between assembly lines
InactiveCN106347971AAchieve horizontal movementFacilitate applicable transmissionControl devices for conveyorsMechanical conveyorsAssembly lineEngineering
The invention discloses a device for conveying workpieces in the same direction between assembly lines. This device has a simple mechanical structure and low production cost, which is more in line with the actual industrial production needs. The present invention provides a frame (10), a connecting conveyor belt (20), a horizontal feeding mechanism (30), a workpiece fixture (40), a motor (50), a lifting frame (70) and a photoelectric sensor (80).
Owner:GUANGDONG UNIV OF TECH
Simple anti-slip conveying belt
InactiveCN105035626AApplicable transmissionNovel structural designConveyorsEngineeringMechanical engineering
Owner:JIANGYIN XINCHANG MACHINERY PARTS
Dual-polarized leakage waveguide
ActiveCN106848521AIncrease system channel capacityReduce volatilityWaveguidesChannel capacityWaveguide
The invention discloses a dual-polarized leakage waveguide comprising a rectangular waveguide and a pair of rectangular flanges which are welded at both ends of the rectangular waveguide respectively. The rectangular waveguide is an integrated structure including two rectangular cavities arranged in parallel in the length direction side by side. The two rectangular cavities include a first waveguide cavity and a second waveguide cavity. The first waveguide cavity comprises a first upper wide surface, a first lower wide surface and a front narrow surface. The second waveguide cavity comprises a second wide surface, a second lower wide surface, and a rear narrow surface. The first waveguide cavity and the second waveguide cavity are isolated by a common narrow surface. The height of the common narrow surface is the same as the height of the front narrow surface and equal to or greater than the height of the rear narrow surface. The first upper wide surface and the second upper wide surface are provided with a plurality of leakage slits which generate vertical polarized waves and horizontal polarized waves. The application of multi-input multi-output technology is achieved on one leakage waveguide so that not only system channel capacity is increased, but also a system frequency range is expanded.
Owner:TONGHAO CABLE GRP CO LTD
User access method and device for minimizing transmission delay in space-air-ground convergence network
ActiveCN113395101AImprove performanceReduce Algorithmic ComplexityError prevention/detection by using return channelNetwork traffic/resource managementSatellite dataTelecommunications link
The invention discloses a user access method and device for minimizing transmission delay in a space-air-ground convergence network, and relates to the technical field of space-air-ground convergence networks. At present, a space-air-ground fusion network is adopted to assist data transmission process summarization in remote areas, and the link state is always dynamically changed, so that the reliability of a communication link becomes poor. According to the method, signal receiving forms of aircraft and satellite receiving ends are obtained respectively, the receiving signal-to-noise ratio of the aircraft end is calculated, then the outage probability of a ground user-aircraft and satellite communication link is obtained, then the average sending frequency of user-aircraft and satellite data packets is calculated, data transmission time delay is obtained, and when a user faces various air platforms, a user access method with the purpose of minimizing transmission delay is planned, an optimization problem is decomposed into some independent sub-problems, and a user access result is obtained according to a heuristic user access algorithm provided by the method. The method can be widely applied to the field of space-air-ground fusion networks.
Owner:HARBIN INST OF TECH
Centimeter wave/millimeter wave ultra-wideband signal generating device
ActiveCN113489551AOvercoming structural complexityOvercome inhibitionPhotonic quantum communicationElectromagnetic transmittersOptical delay lineUp conversion
The invention discloses a centimeter wave / millimeter wave ultra-wideband signal generation device based on combination of a microwave photon external modulation technology and an up-conversion technology, and belongs to the technical field of microwave photonics. The device comprises a laser source, a coupler 1, a coupler 2, a polarization controller 1, a polarization controller 2, a double-parallel Mach-Zehnder modulator, a Mach-Zehnder modulator, an arbitrary waveform generator, a microwave signal source, a direct-current voltage-stabilizing source 1, a direct-current voltage-stabilizing source 2, a direct-current voltage-stabilizing source 3, a direct-current voltage-stabilizing source 4, an erbium-doped optical fiber amplifier, an adjustable optical filter, an adjustable optical delay line, a balanced photoelectric detector, a spectrum analyzer and an oscilloscope. The device can generate centimeter-wave ultra-wideband signals and millimeter-wave ultra-wideband signals, and is suitable for an indoor ultra-wideband communication system and an outdoor ultra-wideband radar system. Compared with other methods, the method for realizing the up-conversion technology based on single side band modulation has better flexibility and stability, and is more suitable for transmission of ultra-wideband signals in long-distance optical fibers.
Owner:JILIN UNIV
Device and method for carrying wireless data exchange between computer and smart phone terminal
InactiveCN106210122AApplicable transmissionExtended Data Wireless CommunicationsWireless commuication servicesTransmissionWireless dataNear field communication
The invention discloses a device and method for carrying wireless data exchange between a computer and a smart phone terminal. The device comprises an NFC charging board which is used for receiving wireless data sent by the smart phone terminal with an NFC module; an RS232 interface which is used for connection with a computer terminal; a USB interface which is used for realizing communication between applications of the computer terminal and the smart phone terminal; a wireless sending module which is used for sending a read / write instruction to the smart phone terminal by the computer terminal; and a controller which is connected with the NFC charging board, the RS232 interface, the USB interface and the wireless sending module at the same time. According to the device and the method, through application of the structure and the method, the application range of a near filed communication technology is expanded; the device and the method are applicable to low data quantity transmission between the smart phones, and are also applicable to high data quantity wireless communication between the computers, and between the computer and the smart phone terminal; and the transmission efficiency of the wireless near filed communication technology is greatly improved through technical breakthrough of differential bidirectional read / write.
Owner:LESHAN POWER SUPPLY COMPANY STATE GRID SICHUAN ELECTRIC POWER +1
A real-time reconstruction method of smart meter data based on compressed sensing
ActiveCN109040002AReduce dimensionalityReduce transmission costsCode conversionTransmissionSignaling CompressionReconstruction method
The invention discloses a real-time reconstruction method of smart meter data based on compressed sensing, includes the following steps: S1: the transmission model of meter data based on real-time compressed sensing is mainly composed of three parts: smart meter, access point and control center; S2: compression sensor-automatic encoder proposed in this invetion is mainly composed of two parts: compression encoding and reconstruction encoding; S3: in the signal compression encoding part, data are mainly compressed to reduce the circuit communication link; S4: when signal reconstruction encodingis performed,the time consumed is very short, so that the method is very suitable for the transmission of smart meter data with high real-time requirements.
Owner:FOSHAN SHUNDE SUN YAT SEN UNIV RES INST +2
Al-Cu-Mg-Zr series aluminum alloy for cable
InactiveCN109097619AImprove conductivityImprove high temperature creep resistanceConductive materialMetal/alloy conductorsGrapheneZinc
The invention provides an Al-Cu-Mg-Zr series aluminum alloy for a cable. The Al-Cu-Mg-Zr series aluminum alloy comprises the following components of, by weight, 0.03-0.09% of Cu, 0.01-0.03% of Zr, 0.02-0.08% of Mg, 0.2-0.4% of modified graphene, and the balance Al and impurities. The modified graphene is mainly prepared from nano-TiO2, Fe powder, lanthanum oxide, zinc powder and graphene powder. The aluminum alloy not only has low resistivity, but also has good creep resistance.
Owner:安庆市泽烨新材料技术推广服务有限公司
Al-Cu-Mg-Mn-series aluminum alloy for cable
InactiveCN109097633AImprove conductivityImprove high temperature creep resistanceConductive materialMetal/alloy conductorsAluminium alloyLanthanum oxide
The invention provides an Al-Cu-Mg-Mn-series aluminum alloy for a cable. The Al-Cu-Mg-Mn-series aluminum alloy comprises the following components of, by weight, 0.03-0.09% of Cu, 0.2-0.4% of Mn, 0.02-0.08% of Mg, 0.04-0.08% of Sc, 0.2-0.4% of modified graphene, and the balance Al and impurities. The modified graphene is mainly prepared by nano-TiO2, Fe powder, lanthanum oxide, zinc powder and graphene powder. The aluminum alloy is low in resistivity, and good in creep-resistant performance and fatigue-resistant performance.
Owner:安庆市泽烨新材料技术推广服务有限公司
Cylinder floating double active roller feeding mechanism
ActiveCN105235019BFloatingImprove feeding stabilityWood feeding arangementsMechanical engineeringEngineering
The invention relates to a cylinder floating type double-active-roller feeding mechanism. The mechanism comprises a machine body (1), a movable working table (2), cylinders (4), swing frames (5) and a feeding roller (6), wherein the movable working table (2) is mounted at the top of the machine body (1); two cylinders (4) are respectively arranged on two side walls of the machine body (1); the tail parts of the cylinders (4) are hinged to the side walls of the machine body (1); each cylinder (4) is hinged with one swing frame (5); the swing frames (5) comprise swing frame bodies (51), cylinder connecting plates (53) and hinge plates (54); the cylinder connecting plates (53) are arranged at one sides of the swing frame bodies (51), and the hinge plates (54) are arranged at the other sides; extension shafts of the cylinders (4) are hinged with the cylinder connecting plates (53); the hinge plates (54) are hinged with the machine body (1); and shafts at two ends of the feeding roller (6) are matched and connected with bearings in bearing holes (52) at two aides of the machine body (1). The cylinder floating type double-active-roller feeding mechanism has the advantages of good feeding stability, high efficiency and adjustment convenience.
Owner:SICHUAN QINGCHENG MACHINERY
Aluminium alloy for cable with high conductivity
InactiveCN109182794AImproved creep and fatigue resistanceImprove high temperature creep resistanceConductive materialMetal/alloy conductorsZincHigh conductivity
The invention provides aluminium alloy for cable with high conductivity, containing the following components in weight percentage: 0.03-0.09% of Cu, 0.2-0.8% of Ca, 0.8-1.6% of Ga, 0.2-0.4% of modified graphene, and the balance of Al and impurities; the modified graphene is mainly prepared from nanometer TiO2, Fe powder, lanthanum oxide, zinc powder and graphene powder. The aluminium alloy not notis low in electrical resistivity, but also is good in creep resistance and fatigue resistance.
Owner:安庆市泽烨新材料技术推广服务有限公司
An over-pcb board connector capable of observing and verifying the annular gap on the back
ActiveCN112134049BAchieve clampingReduce consumptionCoupling contact membersTwo-part coupling devicesEngineeringMechanical engineering
The invention relates to a PCB board connector capable of observing and verifying the annular gap on the back, comprising a PCB board, a positive U-shaped female terminal and a male terminal, wherein the PCB board is provided with a plug-in hole; the two ends of the positive U-shaped female terminal are fixed Connected to the PCB board, the positive U-shaped female terminal is provided with a connection hole; the male terminal includes a columnar connection pin with a tip, the connection pin first passes through the connection hole and then passes through the insertion hole, the The outer wall surface of the connecting pin and the connecting hole form a 4-segment contact structure, and at the same time, the frontal observation verification of the 4-segment contact structure can be realized from the visual annular gap formed by the back of the plug hole 11 and the male terminal 3 . Compared with the prior art, the present invention realizes a 4-section contact structure through the connection structure formed by the positive U-shaped female terminal and the PCB board, and at the same time, a clear photo of the contact area can be obtained through the image acquisition device, so as to realize the industrial robot. Quick machine inspection.
Owner:SHANGHAI LAIMU ELECTRONICS
Transmission control method of wavelength division multiplexing system
InactiveCN101272214BApplicable transmissionIncrease flexibilityWavelength-division multiplex systemsMultiplexingWdm transmission systems
Owner:HUAZHONG UNIV OF SCI & TECH
A method of data transmission between sap systems based on xml
ActiveCN103744991BAchieve unificationSolve the problem of definition modificationSemi-structured data retrievalSpecial data processing applicationsStructure of Management InformationData content
The invention discloses a method for XML-based data transmission between SAP systems. Data content and formats are encapsulated in the standard XML so as to realize data transmission between the SAP systems. Architectural differences of system business data can be shielded, and particularly, interface definition differences between the systems can be shielded by application of the standard data type STRING, and thus, data interface unification can be realized. The XML-based method is applicable to data transmission after changing of the two systems.
Owner:STATE GRID CORP OF CHINA +2
PCB (printed circuit board)-passing type connector capable of observing and checking back annular space
ActiveCN112134049AAchieve clampingReduce consumptionCoupling contact membersTwo-part coupling devicesEngineeringMechanical engineering
The invention relates to a PCB (printed circuit board) passing type connector capable of back annular space observation and verification, which comprises a PCB, a positive U-shaped female terminal anda positive U-shaped male terminal, and is characterized in that a plug hole is formed in the PCB; wherein two ends of the positive U-shaped female terminal are fixedly connected to the PCB, and the positive U-shaped female terminal is provided with a connecting hole; the male terminal comprises a columnar connecting pin with a tip, the connecting pin firstly penetrates through the connecting holeand then penetrates through the inserting hole, the outer wall face of the connecting pin and the connecting hole form a four-section contact structure, and meanwhile forward observation and verification of the four-section contact structure can be achieved in a visual annular space formed by the back face of the inserting hole 11 and the male terminal 3. Compared with the prior art, the four-section contact structure is realized through a connecting structure formed by the positive U-shaped female terminal and the PCB, and meanwhile, a clear picture of the contact area can be obtained through image acquisition equipment, so that rapid machine inspection of an industrial robot is realized.
Owner:SHANGHAI LAIMU ELECTRONICS
An over-pcb board connector capable of frontal observation and verification
ActiveCN112134048BAchieve clampingReduce consumptionCoupling contact membersTwo-part coupling devicesEngineeringMechanical engineering
The invention relates to an over-PCB board connector capable of frontal observation and verification, comprising a PCB board, an inverted U-shaped female terminal and a male terminal, wherein the PCB board is provided with a plug-in hole; both ends of the inverted U-shaped female terminal are fixedly connected to On the PCB board, the inverted U-shaped female terminal is provided with a connection hole; the male terminal includes a cylindrical connection pin with a tip, the connection pin first passes through the insertion hole and then passes through the connection hole, and the connection pin The outer wall surface of the contact hole and the connecting hole form a 4-segment contact structure, and at the same time, the positive observation and verification of the 4-segment contact structure can be realized from the front side of the inverted U-shaped female terminal. Compared with the prior art, the present invention realizes the 4-segment contact structure through the connection structure formed by the inverted U-shaped female terminal and the PCB board, and at the same time can realize the forward observation of the 4-segment contact structure from the front side of the inverted U-shaped female terminal. For verification, clear photos of the contact area can be obtained through image acquisition equipment, so as to realize rapid machine inspection of industrial robots.
Owner:SHANGHAI LAIMU ELECTRONICS
A dual-polarized leaky waveguide
ActiveCN106848521BIncrease capacityIncreased frequency rangeWaveguidesEngineeringPerpendicular polarization
The invention discloses a dual-polarized leaky waveguide, which comprises a rectangular waveguide and a pair of rectangular flanges, the rectangular flanges are respectively welded to the two ends of the rectangular waveguide, and the rectangular waveguide has an integrated structure, including two The rectangular cavities arranged in parallel are respectively a first waveguide cavity and a second waveguide cavity, the first waveguide cavity includes a first upper wide surface, a first lower wide surface and a front narrow surface, and the second waveguide cavity includes a first The second upper wide surface, the second lower wide surface and the rear narrow surface, the first waveguide cavity and the second waveguide cavity are separated by a common narrow surface, and the height of the common narrow surface is the same as that of the front narrow surface, and is greater than or equal to The height of the rear narrow surface, the first upper wide surface and the second upper wide surface are respectively provided with a plurality of leakage slits for generating vertically polarized waves and horizontally polarized waves. The invention realizes the application of the multi-input multi-output technology on a leaky waveguide, not only improves the channel capacity of the system, but also expands the frequency range of the system.
Owner:TONGHAO CABLE GRP CO LTD
Miniature efficient self-circulating electronic cooler
InactiveCN100423243CNo noiseCompact structureDigital data processing detailsSemiconductor/solid-state device detailsWorking fluidThermal coefficient
The electronic cooler comprises a micro channel evaporator and a condenser. The said micro channel evaporator possesses a metal base with high thermal coefficient, and micro channels are enclosed base seat arranged along region of the base plane. Micro channels of the evaporator through steam pipe and liquid pipe is connected to the condenser forming a one-way cycle loop in series. The micro channel evaporator is located in space position below the condenser, making working fluid cycle in loop. In the invented cooler, heat quantity of heating electronic component (chip) drives circular flow of working fluid in loop composed of micro channel evaporator, steam pipe, condenser and liquid pipe without need of rotational mechanical pump so as to provide features of compact structure, simple, no noise, small size, high thermal conduction, and good cost performance ratio.
Owner:GUANGZHOU INST OF ENERGY CONVERSION - CHINESE ACAD OF SCI
Lifting antiskid transmission track
InactiveCN104291080AAchieve liftingApplicable transmissionMechanical conveyorsEngineeringSlide plate
Owner:WUHU HUANQIU AUTO PARTS
User access method and device for minimizing transmission delay in air-space-ground fusion network
ActiveCN113395101BImprove performanceReduce Algorithmic ComplexityError prevention/detection by using return channelNetwork traffic/resource managementData packTelecommunications link
A user access method and device for minimizing transmission delay in an air-space-ground fusion network relate to the technical field of air-space-ground fusion networks. At present, the air-space-ground fusion network is used to assist the summary of the data transmission process in remote areas, because the link state is always changing dynamically, resulting in poor reliability of the communication link. The method of the present invention obtains the signal receiving forms of the aircraft and the satellite receiving end respectively, calculates the receiving signal-to-noise ratio of the aircraft end, obtains the interruption probability of the ground user-aircraft and the satellite communication link, and then calculates the data of the user-aircraft and the satellite The average number of packets sent, and the data transmission delay is obtained. When the user faces a variety of air platforms, the user access method aiming at minimizing the transmission delay is planned, and the optimization problem is decomposed into some independent sub-problems. The heuristic user access algorithm proposed by the method obtains the user access result. This method can be widely used in the field of air-space-ground fusion network.
Owner:HARBIN INST OF TECH
PCB-passing connector capable of being observed and verified from front
ActiveCN112134048AAchieve clampingReduce consumptionCoupling contact membersTwo-part coupling devicesStructural engineeringMechanical engineering
The invention relates to a PCB-passing connector capable of being observed and verified from the front, which comprises a PCB, an inverted U-shaped female terminal and a male terminal, and is characterized in that a plug hole is formed in the PCB; two ends of the inverted U-shaped female terminal are fixedly connected to the PCB, and the inverted U-shaped female terminal is provided with a connecting hole; and the male terminal comprises a columnar connecting pin with a tip, the connecting pin firstly penetrates through the plug hole and then penetrates through the connecting hole, the outer wall surface of the connecting pin and the connecting hole form a four-section contact structure, and meanwhile, forward observation and verification of the four-section contact structure can be achieved from the front of the inverted-U-shaped female terminal. Compared with the prior art, a four-section contact structure is achieved through the connecting structure formed by the inverted-U-shaped female terminal and the PCB, meanwhile, forward observation and verification of the four-section contact structure can be achieved from the front face of the inverted-U-shaped female terminal, a clearpicture of a contact area can be obtained through image acquisition equipment, and therefore rapid machine inspection of the industrial robot is achieved.
Owner:SHANGHAI LAIMU ELECTRONICS
Video transmission method for vehicle ad hoc network based on overlay structure
ActiveCN103888847BReduce jitterReduce latencyNetwork topologiesSelective content distributionVideo transmissionStructure of Management Information
The invention discloses a vehicular ad hoc network video transmission method based on an overlay structure. The method mainly solves the problem that in the prior art, a node with needs for video cannot find a proper video source node is solved. The method comprises the implementation steps that (1) a cluster structure based on content awareness is built according to the position of the node, video stored in the node and the needs of the node for the video; (2) a distribution list of the video in a cluster is built at a cluster head, and is used for constructing the overlay structure; (3) the node in the cluster searches for the optimal source node according to the overlay structure, and request information is sent to the optimal source node; (4) the cluster head sends video request information to an RSU firstly, the RSU returns video information to the cluster head, and the communication between the cluster head and the RSU is achieved. According to the method, the node with the needs can find the optical video source, transmission delay is reduced, video playing quality is improved, and the method can be used for video transmission in a vehicular ad hoc network.
Owner:XIDIAN UNIV
Aluminum alloy material for power cables
InactiveCN109136659AImproved creep and fatigue resistanceImprove high temperature creep resistanceConductive materialMetal/alloy conductorsBismuthOxide
The invention provides an aluminum alloy material for power cables, comprising, by weight, 0.01-0.03% of Cu, 0.002-0.006% of Mg, 0.003-0.009% of Ru, 0.001-0.02% of In, 0.005-0.012% of Be, 0.002-0.01%of Bi, 0.001-0.005% of Sr, 0.16-0.32% of modified graphene, 0.06-2.3% of Re, and the balance being Al and impurity. The modified graphene is prepared from nano nickle oxide, aluminum powder, bismuth oxide, zinc powder and graphene powder. The aluminum alloy material for the power cables has high conductivity, good creep-resistance capacity and good fatigue resistance performance.
Owner:安庆市泽烨新材料技术推广服务有限公司
Aluminum alloy cable core
InactiveCN109192364AImproved creep and fatigue resistanceImprove high temperature creep resistanceConductive materialInsulated cablesCopperGraphene
The invention provides an aluminum alloy cable core, comprising the following components by weight percentage: Mg 0.02-0.08%, modified graphene 0.2-0.4%, and the balance of Al and impurities. The modified graphene is mainly prepared from nanometer TiO2, Fe powder, B powder, copper powder and graphene powder. The aluminum alloy cable core not only has low electrical resistivity, but also has good creep resistance.
Owner:安庆市泽烨新材料技术推广服务有限公司
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