Patents
Literature
46results about How to "Guaranteed transmission efficiency" patented technology
Efficacy Topic
Property
Owner
Technical Advancement
Application Domain
Technology Topic
Technology Field Word
Patent Country/Region
Patent Type
Patent Status
Application Year
Inventor
Hollow-core-to-hollow or solid-core-to-hollow optical fiber connection jumper wire and preparation method thereof
PendingCN121857146Aincrease flexibilityImprove operation and maintenance efficiencyCoupling light guidesCore (optical fiber)Physics
The invention provides a hollow-core-to-hollow or solid-core-to-hollow optical fiber connection jumper wire and a preparation method thereof. The jumper wire comprises a transmission fiber and connectors connected to the two ends of the transmission fiber. The transmission fiber is a hollow-core optical fiber, the connector comprises an optical fiber fixing device and an integrated welding structure fixed in the optical fiber fixing device, the integrated welding structure comprises a transmission fiber, a coating film and a transition fiber which are fixedly connected in sequence, the coating film performs anti-reflection on a set wavelength, the transition fiber is a solid-core optical fiber, and the outer side end of the transition fiber serves as the output end of the connector; and the output ends of different connectors are oppositely arranged so as to realize transmission connection between different jumpers. Pluggable, stable and reliable connection between the hollow-core optical fibers or between the hollow-core optical fibers and the solid-core optical fibers is achieved.
Owner:YANGTZE OPTICAL FIBRE & CABLE CO LTD +1
Cobalt-free ultrahigh nickel positive electrode material and preparation method and application thereof
PendingCN121948567Aimprove performanceIntegrity guaranteedCell electrodesSecondary cellsDopantPhysical chemistry
The invention relates to a cobalt-free ultra-high nickel positive electrode material and a preparation method and application thereof, the preparation method comprises the following steps: ball-milling and mixing a nickel source, a lithium source and a dopant to obtain powder, and drying and sintering the obtained powder to obtain the cobalt-free ultra-high nickel positive electrode material, the doping agent comprises an aluminum-containing doping agent and a manganese-containing doping agent; the nickel source, the lithium source and the doping agent are mixed according to the molar ratio of the nickel element to the lithium element to the total doping element being (0.90-0.98): (1.03-1.06): (0.02-0.10). The Al and Mn elements are uniformly doped in the positive electrode material substrate through a solid-phase reaction method, the material performance is synergistically improved by utilizing the unique action mechanism of the doped elements, the electrochemical performance is synergistically improved on the premise of not depending on the cobalt element, and high initial discharge capacity, cycling stability and rate capability are kept in a wide voltage interval; and excellent capacity retention capability is shown in a wide multiplying power range.
Owner:GEM WUXI ENERGY MATERIAL CO LTD
An ATM coin sorting mechanism
ActiveCN224328431Uprevent stackingGuaranteed transmission efficiencyComplete banking machinesElectric machineryStructural engineering
The utility model discloses a kind of ATM money sorting mechanism, it is related to money sorting technical field, including shell;The top plate of shell is equipped with placing mouth;Placing mouth bottom is fixedly installed with placing cylinder;The placing cylinder is round table setting;Placing cylinder bottom is provided with transmission assembly;The transmission assembly includes conveying belt;The both ends of the conveying belt are fixedly installed with the support frame in the shell interior through pivot and belt seat bearing;One of pivot is fixedly installed with motor;Conveying belt end is provided with baffle;When using, various coins are placed into shell interior through placing cylinder, and the conveying belt in transmission assembly is set in the bottom of placing cylinder, and the allocation of coin is realized, to effectively avoid the situation that coin is accumulated in transmission process, pivot is driven conveying belt uniform speed rotation by motor, to ensure the efficiency of transmission, baffle is set in the end of conveying belt, to avoid coin from falling other position when transmission, to ensure the efficiency of sorting.
Owner:GUANGDONG PRODATA ELECTRONICS CO LTD
Miniature air pump with noise reduction structure
The utility model discloses a miniature air pump with noise reduction structure, including motor and motor output end region installation has the noise reduction ventilation structure, the noise reduction ventilation structure includes base, and motor is fixed mounting close to output end shell and base, and motor output end rotation penetrates the base center position, and the penetration end passes through the shaft coupling and connects the swing bar, and the base top installs the fixed seat, and the fixed seat top is equipped with the umbrella cover through the sealing washer, and the fixed seat is provided with four cover holes of rectangular setting, and the base is provided with eccentric wheel, and the fixed seat is located cover hole fixed and is fixed and is communicated with tower shape ventilation cover, and the swing bar top end is rotatably connected with eccentric wheel center position, and the eccentric wheel is fixedly covered and is installed with tower shape ventilation cover bottom, and the noise reduction effect aspect shows outstanding. The unique structure of tower shape ventilation cover increases the gas flow path and the contact area, effectively promotes the smooth airflow in and out, significantly reduces the turbulence and vortex generation, reduces the airflow noise from the source.
Owner:DONGGUAN COPPER PRECISION ELECTRONICS CO LTD
A screw connection mechanism for an injection device and an injection device
ActiveCN224426264Usimplify complexityImprove transmission efficiencyInjection equipmentElectric machinery
This utility model belongs to the technical field of injection devices, and provides a screw connection mechanism for injection equipment and an injection device. The connection mechanism includes: a hollow shaft, which is fixedly connected to the output end of a motor, and the inner peripheral wall of the hollow shaft is provided with a first limiting structure; a connecting sleeve, which is axially movable and disposed within the hollow shaft and connected to the screw, and the outer peripheral wall of the connecting sleeve is provided with a second limiting structure. Compared with the prior art, this utility model, by providing an inner peripheral wall with a first limiting structure within the hollow shaft and a matching second limiting structure on the outer peripheral wall of the connecting sleeve, allows the two to cooperate through multi-faceted contact. This enables the connecting sleeve and the screw to rotate synchronously when the hollow shaft rotates, while allowing the connecting sleeve to move freely along the axial direction. This structure simplifies the complexity of traditional connection structures, avoids problems such as poor fit and clearance accumulation caused by multi-stage connections or rolling elements, and improves transmission efficiency and equipment service life.
Owner:NINGBO MUZHUO MASCH TECH CO LTD
Protective Bluetooth on-machine measuring head
ActiveCN224182692Uavoid scratchesavoid breakingMeasurement/indication equipmentsElectrical batteryStructural engineering
The utility model discloses a protective Bluetooth on-machine measuring head, and particularly relates to the field of on-machine measuring heads, which comprises a machine head, a transparent shell positioned below the machine head, a probe seat positioned at the bottom of the transparent shell and a measuring head rod piece mounted at the bottom end of the probe seat, a base extending into the transparent shell is installed at the bottom end of the machine head, a Bluetooth module is installed on the outer wall of the base, the machine head, the transparent shell and the probe base are sleeved with a protection piece capable of moving in a lifting mode, and an upper limiting piece for adsorbing the top end of the protection piece is installed at the edge of the top end of the machine head. And a lower limiting piece for adsorbing the bottom end of the protection piece is arranged on the outer side of the probe seat. According to the utility model, the telescopic tube and the rubber magnetic ring form a flexible barrier to absorb the impact force of chippings and prevent the transparent shell from being scratched or broken, the transparent shell is made of a low-dielectric-constant material, the signal attenuation is small, the transmission efficiency of the Bluetooth module is ensured, and the rubber magnetic ring and the plastic telescopic tube avoid the metal shielding effect and maintain the signal integrity.
Owner:ANHUI ZHEJIANG TECHNOLOGY CO LTD
Blood pump
ActiveCN224269918Uimprove feverExtended service lifeBlood pumpsIntravenous devicesRotational axisImpeller
The utility model provides a blood pump which comprises a rotor assembly, a stator assembly and a shell, the rotor assembly and the stator assembly are arranged in the shell in a spaced mode in the rotation axis direction of the rotor assembly, the rotor assembly comprises an impeller, a power magnetic ring and a center shaft, and the blood pump further comprises a first magnetic bearing assembly. The first magnetic bearing assembly comprises a first inner magnetic bearing and a first outer magnetic bearing which are matched with each other, the first outer magnetic bearing is arranged on the inner wall of the shell, and the impeller, the first inner magnetic bearing and the power magnetic ring are all fixedly arranged on the center shaft; the rotor assembly can rotate around the axis of the rotor assembly so as to drive fluid to flow into and out of the shell, and in the power-on state, the rotor assembly can be spaced from the stator assembly by a first preset distance in the rotating process. All the components of the rotor assembly are fixed on the central shaft, so that the stability of relative positions of all the components is guaranteed, the overall structural strength of the rotor assembly is improved, the stability of operation of the blood pump is guaranteed, and the service life of the blood pump is prolonged.
Owner:HANGZHOU SHENGSHI SCI & TECH CO LTD
Lithium manganate positive electrode material, preparation method and applied lead-lithium battery
PendingCN122091551AInhibition of the Jahn-Teller effectHigh crystallinityElectrode manufacturing processesLead-acid accumulators constructionHexafluoropropyleneManganese
The invention discloses a lithium manganate positive electrode material, a preparation method and an applied lead-lithium battery, relates to the technical field of lithium manganate positive electrode materials, and solves the problems that the existing lithium manganate positive electrode material is poor in structure and interface stability and poor in rate and cycle performance. The positive electrode material is composed of a lithium manganate matrix and a double-layer composite coating, the matrix is prepared by taking lithium carbonate and manganous-manganic oxide as raw materials and doping magnesium hydroxide, aluminum hydroxide and titanium dioxide multi-plasma phase; the lithium manganate positive electrode material is prepared by uniformly compounding a lithium manganate matrix modified by a spinel inner layer, vinyl functionalized MOF and a polyvinylidene fluoride-hexafluoropropylene copolymer on the surface of an aluminum foil receiver through an electrospinning-electrospray synergistic process. The material is applied to the lead-lithium battery, shows excellent electrochemical performance and has good practical application value.
Owner:GUANGDONG HUASHEN POWER CO LTD
Earphone charging box with grease cleaning function
ActiveCN224154333Uimprove aestheticsImprove convenienceBatteries circuit arrangementsTransducer detailsDrive shaftElectric machinery
The earphone charging box with the grease cleaning function relates to the technical field of earphone charging boxes, and comprises a box body, a start button, a sponge sleeve, a cleaning rod and a motor, the upper part of the box body is connected with a placing cover through a hinge, the side surface of the placing cover is provided with an earphone body, a brush groove and a pick-and-place groove, the right side of the box body is provided with the start button, and the sponge sleeve is connected with the motor. A sponge sleeve and a sponge roller are arranged on the inner side of the box body, a driving shaft, a driving disc and a cleaning rod are arranged below the sponge roller, the sponge sleeve is slidably connected to the inner side of the box body, the sponge sleeve can be replaced in time in the using process, the cleaning effect of the equipment is guaranteed, and strip-shaped protrusions are arranged in the box body and matched with grooves in the outer side of the sponge sleeve, so that the cleaning effect of the equipment is improved. Certain friction force can be provided during equipment operation, and the sponge sleeve is prevented from shifting and slipping.
Owner:DONGGUAN YUHENG ELECTRONICS CO LTD
Composite carrier, method for the production and use thereof
ActiveCN119774751BImprove nitrogen removal efficiencyWith piezoelectric self-driving characteristicsMicroorganismMetal-organic framework
The application relates to the technical field of wastewater denitrification, and discloses a composite carrier as well as a preparation method and application thereof. The composite carrier comprises porous molybdenum disulfide, the porous structure of the molybdenum disulfide in-situ grows zirconium metal organic frameworks, and the surface of the molybdenum disulfide is loaded with graphene. The composite carrier can not only serve as a place for denitrification of microorganisms, but also can improve the denitrification efficiency of the microorganisms.
Owner:SHANGHAI QIZHI NEW ENERGY TECH CO LTD
Method, apparatus and computer-readable storage medium for transmitting tissue slice video data
ActiveCN111951932Bavoid crowdingReduce the amount of scanned dataClosed circuit television systemsMedical imagesRadiologyMagnification
This invention provides a method, apparatus, and computer-readable storage medium for transmitting video data from tissue slices. The method includes: determining a first scanning range of the scanning lens based on a first physical magnification; determining a first region based on a first scanning reference point of the scanning lens and the first scanning range; controlling the scanning lens to scan the first region to obtain first scan data; encoding the first scan data according to a preset format to obtain first video data; sending the first video data to a monitoring access server; and then, through the monitoring access server, transmitting the first video data to a tissue slice display system via a video network, so that the tissue slice display system can display the first video data. This method for transmitting video data from tissue slices reduces the amount of scanned data and ensures transmission efficiency.
Owner:VISIONVERA INFORMATION TECH CO LTD
Optical fiber collimator, MEMS optical acceleration sensor and preparation method
ActiveCN121955450AOptimize the direction of the outgoing beam in real timeReduce installation difficultyTelevision system detailsAcceleration measurement using interia forcesLight beamBeam steering
The invention provides an optical fiber collimator, an MEMS optical acceleration sensor and a preparation method. The optical fiber collimator comprises a self-calibration coupling unit, a self-focusing collimation unit and a light beam steering adjusting unit. The self-calibration coupling unit is provided with an axial inner hole, and the self-focusing collimation unit and the light beam steering adjusting unit are both installed in the axial inner hole and are oppositely arranged. The first end face, facing the self-focusing collimation unit, of the light beam steering adjustment unit is not perpendicular to the axis of the axial inner hole. Light rays incident through the self-focusing collimation unit are reflected by the first end face to be turned and emitted out of the self-calibration coupling unit; the optical fiber collimator integrates the light beam steering and angle adjusting functions, after the system is installed, the direction of the emergent light beam can be optimized in real time by adjusting the light beam steering adjusting unit in the circumferential direction, and the installation difficulty is greatly reduced.
Owner:SHANGHAI BAIANTEK SENSING TECH CO LTD +1
Modified lithium manganese oxide composite material, and preparation method and application thereof
This invention belongs to the field of electrode material technology, specifically relating to a modified LiMn2O4 composite material, its preparation method, and its applications. The modified LiMn2O4 composite material has a core-shell structure with chromium-doped lithium manganese oxide as the core and lithium lanthanum titanium oxide as the coating layer; the lithium lanthanum titanium oxide coating layer has an amorphous structure. This invention, through the synergistic modification of chromium bulk doping and lithium lanthanum titanium oxide interface coating, enables the lithium lanthanum titanium oxide coating layer to possess three functions: physical isolation, ion conduction, and ion sieving. This suppresses manganese dissolution while ensuring lithium-ion transport efficiency and improving lithium-ion selectivity. When used in an electrochemical lithium extraction device, the modified LiMn2O4 composite material exhibits excellent cycle stability and lithium-magnesium separation selectivity in high magnesium-to-lithium ratio brines.
Owner:TIANJIN UNIV OF SCI & TECH
Video transmission method, device and storage medium
The application discloses a video transmission method, device and storage medium. The video transmission method is applied to a video sending end, and comprises the following steps: obtaining target playback video data, wherein the target playback video data comprises a plurality of video frames; determining at least one to-be-accelerated video frame which meets an acceleration requirement in the plurality of video frames; and performing accelerated transmission on the at least one to-be-accelerated video frame in the process of transmitting the target playback video data to a video receiving end. In this way, the network resource occupation can be reduced while ensuring the transmission efficiency of the target playback video data.
Owner:ZHEJIANG DAHUA TECH CO LTD
A method and system for interpreting geological features of a borehole wall
PendingCN122244769AGuaranteed transmission efficiencyGuaranteed accuracyCharacter and pattern recognition
This disclosure provides a method and system for interpreting geological features of borehole walls, relating to the field of geological feature interpretation technology. The method includes: acquiring video image data and parameter text files corresponding to the borehole walls; determining a set-format image sequence from the video image data, and determining the pixel-per-inch value and depth interval parameters from the parameter text file; segmenting the set-format image sequence according to the pixel-per-inch value and depth interval parameters to generate and store image segments corresponding to different depth intervals; displaying each image segment, and responding to user commands for image segments at specific depth intervals, interpreting the geological features of the image segments at specific depth intervals to obtain geological feature parameters. This disclosure improves the efficiency of geological feature interpretation of video image data and ensures the accuracy of geological feature parameters by interpreting geological features of image segments at specific depth intervals.
Owner:NORTHWEST ENGINEERING CORPORATION LIMITED
Rail type climbing mechanism and control method for intelligent warehousing robot
The application relates to a guide rail type climbing mechanism for an intelligent warehousing robot and a control method, and belongs to the field of intelligent warehousing robots. The climbing mechanism comprises a tensioning assembly, a position-to-position detection assembly, a driving assembly, a guide rail and a control unit, and can enable the intelligent warehousing robot to realize stable, efficient and safe climbing and descending. The tensioning assembly realizes gear set meshing tensioning through the cooperation of a driving gear and a driven gear, and realizes multidirectional guidance and limit control in cooperation with a limit hole; the position-to-position detection assembly realizes real-time detection of a climbing posture in cooperation with a positioning wheel; the driving assembly comprises a motor and an electric cylinder double driving structure, thereby improving transmission stability and anti-interference capability; the anti-falling spring sheet is automatically opened under the conditions of power failure or impact, forms an anti-skid locking structure in meshing with the guide rail, and effectively prevents sliding accidents; the control unit can realize multi-source signal fusion control, and improves the intelligence and safety level of the system. The mechanism has the advantages of compact structure, safety and reliability, stable meshing and strong anti-interference capability.
Owner:HEFEI YUKUN INTELLIGENT TECHNOLOGY CO LTD
Improved sealed rotary unloader
The utility model provides an improved sealing rotary discharger which comprises a base body, a motor and a rotor impeller assembly. The upper end and the lower end of the machine body are provided with a feeding port and a discharging port respectively, the left side and the right side of the machine body are provided with a front cover plate and a rear cover plate respectively, the rotor impeller assembly is arranged in the base body, one end of the rotor impeller assembly penetrates through the front cover plate to be connected to the output end of the motor, the other end of the rotor impeller assembly penetrates through the rear cover plate and is provided with a detection assembly, and the motor is connected to the controller. The detection assembly is connected to the controller and used for detecting the rotation condition of the rotor impeller assembly. According to the utility model, the replaceable blade structure is arranged, so that the blades can be replaced and maintained regularly, the device is suitable for different transmission conditions, and the transmission efficiency is ensured.
Owner:TIANJIN TIANMAI ENERGY SAVING EQUIP CO LTD
A method and apparatus for calibrating modulation depth of an AM transmitting signal
ActiveCN121462091BImprove transmission qualityincrease profitTransmitters monitoringElectromagnetic transmittersControl signalSoftware engineering
The application discloses an AM transmitting signal modulation depth calibration method and device, and relates to the technical field of communication. The method comprises the following steps: initializing and configuring an AM transmitting link according to a control signal sent by an AM detection control link to obtain an initial AM amplitude modulation signal; performing signal conversion on the initial AM amplitude modulation signal to obtain an AM envelope digital signal, and performing preliminary AM carrier signal and modulation signal amplitude calibration according to the AM envelope digital signal to obtain a preliminary amplitude calibration result; generating a control signal of the AM transmitting link, traversing a working frequency range of the AM transmitting link according to the control signal of the AM transmitting link, and performing S2 to complete the AM modulation depth calibration point by point. The application can make the modulation depth of the AM transmitting signal meet the corresponding standard requirements, thereby improving the transmission quality and power utilization rate of the AM transmitting signal and ensuring the signal transmission efficiency.
Owner:AVIC AVIONICS CO LTD
A binder, its preparation method and application
This invention discloses a binder, its preparation method, and its application. The binder comprises the following raw materials: a compound containing soft segments, a compound containing hard segments, and a chain extender. The compound containing soft segments includes polyether polyols and polyester polyols, wherein the polyether polyols are end-capped with amino or hydroxyl groups, and the polyester polyols are end-capped with amino or hydroxyl groups. The compound containing hard segments is a diisocyanate, and the chain extender is a chain extender containing phenolic groups. This binder helps solve the interface problem of the positive electrode during battery operation and is expected to improve the cycle life and stability of the battery.
Owner:HUAZHONG UNIV OF SCI & TECH
Hub bearing with high bearing capacity
PendingCN121952973Areduce frictionflexible steeringHubsBall and roller bearingsBall bearingElectric machinery
The invention discloses a hub bearing with high bearing capacity, which comprises a flange outer ring and a flange inner ring, a ring body is matched on the flange inner ring, a first row of raceway is arranged between the flange outer ring and the flange inner ring, and a second row of raceway is arranged between the ring body and the flange outer ring; the bearing is characterized in that a first row of rolling bodies are arranged on the first row of raceways, the first row of rolling bodies are self-aligning roller bearings, a second row of rolling bodies are arranged on the second row of rolling bodies, and the second row of rolling bodies are angular contact ball bearings. The structure layout is reasonable, the compact space of the electric vehicle hub motor is adapted, the transmission efficiency and the operation stability of the bearing are improved, the service life of the bearing is prolonged, and the use effect is good.
Owner:C&U CO LTD +1
Device capable of feeding multiple yarns simultaneously
ActiveCN224279361UConvenient to bind at the same timeReduce cumbersome stepsFilament handlingYarnStructural engineering
The utility model discloses a device capable of simultaneously feeding a plurality of yarns, which relates to the technical field of yarn conveying and comprises a base, support plates are fixed on two sides of the top of the base, and a plurality of groups of yarn wheel components I are arranged between the two support plates; lifting plates are arranged between the tops of the left sides and the right sides of the two supporting plates, a fixing frame is fixedly arranged between the tops of the two lifting plates, the bottom of the fixing frame is slidably connected with a guiding movable block driven by a servo motor, and an electric push rod is installed at the bottom of the guiding movable block; according to the yarn binding device, multiple yarns can be conveniently bound on one side of the base at the same time, then the multiple yarns are dragged to the other side of the base at the same time through movement of the second yarn wheel assembly, in this way, the multiple yarns can be dragged at the same time and placed in the corresponding first yarn wheels, operation is simpler and more convenient, and the yarn binding efficiency is improved. The tedious step of pulling a plurality of yarns one by one is omitted.
Owner:XIAOGAN XIAOMIAN TEXTILE IND CO LTD
Anti-interference underground detection connecting cable
ActiveCN224217269Uavoid scratchesavoid breakingClimate change adaptationInsulated cablesForeign matterInterference resistance
The utility model belongs to the technical field of cables, and discloses an anti-interference underground detection connection cable which comprises a sheath layer, a reinforcing layer is arranged in the sheath layer, a damp-proof layer is arranged in the reinforcing layer, a shielding layer is arranged in the damp-proof layer, limiting protrusions are arranged in the shielding layer, and the limiting protrusions are wrapped with flame-retardant filler. A supporting pipe wraps the center of the interior of the flame-retardant filler, a core pipe is arranged between the supporting pipe and the limiting protrusions, and a wire core is arranged in the core pipe. The sheath layer, the reinforcing layer, the damp-proof layer, the shielding layer, the limiting protrusions, the flame-retardant filler, the supporting pipe, the core pipe and the wire cores can deal with detection environments with high and low temperature and large acid-base difference, interference of the external environment and the interior of the cable is reduced, meanwhile, it is avoided that sharp foreign matter is prone to scratching the cable skin, consequently, the cable is damaged and exposed, and the service life of the cable is prolonged.
Owner:BEIJING KUNLUN CABLE MFG CO LTD
Electric shutter with sunshade adjusting function
ActiveCN224187461UEliminate cumulative errorsHigh energy saving rateVentilation arrangementLight protection screensWindow shutterAir exchange
The utility model provides an electric shutter with a sunshade adjusting function, which belongs to the technical field of shutters, and comprises a shutter structure, the back of the shutter structure is fixedly connected with a ventilation structure, the shutter structure comprises a window frame, the surface of the window frame is rotatably connected with a plurality of connecting shafts, and the connecting shafts are connected with the ventilation structure. The surface of each connecting shaft is fixedly connected with an adjusting blade, the surface of each connecting shaft is fixedly connected with a connecting rod, the multiple connecting rods are in transmission connection through a transmission plate, the surface of the transmission plate is fixedly connected with a connecting protrusion, and the ventilation structure comprises a mounting shell fixedly connected to the back face of the window frame; according to the scheme, through the back-to-back design of the ventilation structure and the shutter structure, airflow exchange is maintained when the adjusting blades adjust light rays, the comprehensive energy-saving rate is improved by combining a double-layer heat insulation structure of transparent glass, transmission chain accumulative errors are eliminated through a plane linkage mechanism of the connecting rods and the transmission plates, overshoot is eradicated through mechanical limiting of the arc-shaped grooves, and the transmission efficiency is maintained.
Owner:JIANGSU DINGYE ENERGY SAVING TECH CO LTD
Parameter design method for mc-wpt system in seawater environment
ActiveCN117556771BGuaranteed transmission efficiencyDesign optimisation/simulationSpecial data processing applicationsEddy currentAtmospheric sciences
This invention relates to the field of wireless power transmission, specifically a parameter design method for an MC-WPT system in a seawater environment, comprising the following steps: S1: Determine the transmission distance, seawater conductivity, required efficiency, and output power; S2: Determine the coupling mechanism dimensions and the maximum number of winding turns; S3: Determine the wire diameter and maximum current withstand value; S4: Set the initial value of the coil turns; S5: Determine the system eddy current loss and coil parameters through magnetic field simulation; S6: Determine whether the required efficiency is met; if so, proceed to S8; otherwise, proceed to S7; S7: Increase the number of coil turns by a preset step; if the maximum number of winding turns is not exceeded, return to S5; otherwise, return to S2; S8: Record the operating frequency and load, and calculate the resonant current; S9: Determine whether the maximum current withstand value is exceeded; if it is exceeded, return to S3; if not, the efficiency optimization index is completed. Designing the system parameters according to this method can effectively ensure that the system's transmission efficiency meets the preset requirements.
Owner:CHONGQING UNIV
A vehicle-mounted multi-mode signal ad hoc network ring network communication system
The utility model provides a kind of vehicle-mounted multimode signal ad hoc network ring network communication system to solve the technical problems of insufficient multimode signal fusion, poor networking flexibility and low reliability of existing communication system. The utility model includes at least three vehicle-mounted communication nodes deployed on vehicle, and adjacent vehicle-mounted communication nodes are connected in series to form a closed loop network through composite wiring harness. The utility model adopts innovative ring network design to realize bidirectional data path redundancy, and can switch transmission direction instantaneously when part of the link fails. Each vehicle-mounted communication node is configured with a core control unit and a multimode communication interface unit, and through the multi-protocol fusion communication interface unit, Ethernet, CAN and LIN signals can be efficiently transmitted on a single composite wiring harness. The utility model greatly simplifies the complexity of wiring harness wiring, effectively reduces the cost of vehicle cable, significantly shortens the fault recovery time and improves the reliability of the system.
Owner:HENAN THB ELECTRIC
Inspection data of industrial equipment, data processing method and device, and computing equipment
ActiveCN114385568Bimprove compression efficiencyGuaranteed transmission efficiencyDatabase management systemsSpecial data processing applicationsData packIndustrial equipment
Embodiments of the present application provide a kind of detection data of industrial equipment, data processing method and device, computing device, the data processing method includes: reading multiple detection data from data storage system;Identify the valid data in the multiple detection data, obtain multiple valid data;According to the preset format conversion mode, the multiple valid data are respectively converted into corresponding data record, and multiple data records are obtained;Based on preset data compression algorithm, the multiple data records are compressed and handled, and the target data packet compressed is obtained.The data compression rate of the present application embodiment is improved.
Owner:ALIBABA GROUP HOLDING LTD
Self-generating rotary valve mud pulse generator, simulation decoding device and method
PendingCN122071956APrevent stress-suppression accidentsAchieve energy self-sufficiencySurveyHydro energy generationReduction driveImpulse generator
The invention relates to the technical field of petroleum and natural gas drilling engineering, in particular to a self-power-generation type rotary valve mud pulse generator, a simulation decoding device and a simulation decoding method. The generator comprises a turbine generator, a control circuit, a brushless direct current motor, a magnetic transmission assembly and a rotary valve mechanism; the turbine generator generates electricity through drilling fluid and supplies power to the control circuit to drive the motor to rotate. The magnetic transmission assembly comprises a magnetic meshing device, a speed reducer and a self-resetting device; the magnetic meshing device realizes non-contact torque transmission through inner and outer magnetic rotors and an isolation sleeve, and isolates a motor cavity from a slurry environment; the self-resetting device drives the rotary valve rotor to automatically reset during power failure through cooperation of permanent magnets on the inner and outer rotating shafts. According to the invention, the functions of self-power-generation driving, reliable dynamic sealing and power-off safe resetting are realized.
Owner:BEIJING HENGTAI WANBO GASOLINEEUM TECH +1
Groove splitting pin contact structure of electric connector
ActiveCN224248978UGuaranteed reliabilityGuaranteed transmission efficiencySecuring/insulating coupling contact membersCoupling contact membersElectrical connectionElectrical connector
Owner:SHENZHEN REUNION ELECTRONICS CO LTD
Scrap collecting device of numerical control machine tool
ActiveCN224059320Ulower center of gravityGuaranteed stabilityMaintainance and safety accessoriesNumerical controlAuger
The utility model discloses a numerical control machine tool waste chip collecting device, and relates to the technical field of numerical control machine tool waste chip collection, the numerical control machine tool waste chip collecting device comprises supporting legs, a first motor, a second motor, a first hydraulic rod and a filter screen, a conveying frame, a first auger and the first motor are arranged above the supporting legs, and a separation pipe is arranged on the left side of the conveying frame; a second auger, a second motor, a liquid outlet and a filter screen are arranged in the separation pipe, a compression pipe is arranged on the left side of the separation pipe, a first hydraulic rod is installed above the compression pipe, and a discharging table and a second hydraulic rod are arranged below the compression pipe; according to the equipment, the second hydraulic rod and the first hydraulic rod are matched to synchronously bear force from the two sides, so that the compression efficiency is improved, meanwhile, the second hydraulic rod is set as a supporting surface, the discharging table can be separated from the compression pipe after the second hydraulic rod is contracted, and a material cake is rapidly discharged.
Owner:QINGDAO YICHANGLONG PRECISION MASCH CO LTD
一种新能源收获机密封防护型驱动桥
Owner:临沂万和精工机械有限公司