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Infrared detector of microbridge structure and method for manufacturing same
ActiveCN103759838ALarge design spaceImprove infrared absorptionTelevision system detailsPiezoelectric/electrostriction/magnetostriction machinesResonant cavityThermal isolation
The invention provides an infrared detector of a microbridge structure and a method for manufacturing the infrared detector of the microbridge structure. The detector comprises a reading circuit substrate, a microbridge leg, a heat sensitive layer, an infrared reflection layer and an infrared absorption layer. The infrared absorption layer is supported by and arranged above the heat sensitive layer, a resonant cavity for incoming infrared light is formed by the infrared absorption layer and the infrared reflection layer, and the microbridge leg is arranged below the infrared reflection layer and electrically connected with the reading circuit substrate. Through the structure, the infrared absorptivity of the device can be improved while thermal conductance of the device can be reduced, the filling rate of the device is improved, the defects of the resonant cavity are overcome, and thus the thermal isolation effect and the responsivity of the device are improved and the performance of the device is optimized.
Owner:ZHEJIANG DALI TECH
Reinforcing ribs contained sandwich structure composite material and its making method
The invention discloses a reinforcing ribs contained sandwich structure composite material and its making method. The composite material is composed of an internal core material, reinforcing ribs, and a one-time-formed fiber fabric reinforced resin composite material layer, wherein the internal core material is a lightweight buoyancy material having a compressive strength of above 0.5MPa; each of the reinforcing ribs is formed by a lightweight material internal model connected with the internal core material through an adhesive, and a fiber fabric layer coated on the external surface of the lightweight material internal model; the fiber fabric is a glass fiber, a carbon fiber, a Kevlar fiber, an ultrahigh molecular weight polyethylene fiber or a basalt fiber; and a resin is a cured substance of a polyester resin, a vinyl resin, an epoxy resin, a phenolic resin and the like. The making method has the advantages of one-time-forming of a product having the reinforcing ribs and the sandwich structure, increase of the rigidity design space of the composite material, reduction of sequent secondary processing, reduction of the defect appearance possibility, scarce generation of the volatilization of harmful gases, and personnel health protection.
Owner:725TH RES INST OF CHINA SHIPBUILDING INDAL CORP
Water draining and flushing mechanism
ActiveCN102808440AReduce volumeSmall sizeFlushing devicesThin material handlingWater storageMechanical engineering
Owner:XIAMEN AXENT
Double trailing arm type suspension fork wheel edge drive structure of new-type electric car
InactiveCN101342848ARetain the advantages of being independent and controllablePlay the role of deceleration and torque increaseMotor depositionResilient suspensionsVehicle frameTrailing arm
The invention relates to a novel electric motor car double trailing arm type suspended frame wheel side driving structure. A double trailing arm type suspended frame is adopted, the upper trailing arm and the lower trailing arm are parallel and have equal length, thereby the upper trailing arm and the lower trailing arm, a main pin and a connecting wire of the upper trailing arm, the lower trailing arm and a car frame hinged joint are formed into a parallelogram mechanism in the side plan of the car body. Simultaneously, a motor output axle and a wheel axle are respectively installed in the center positions of the both vertical sides of the parallelogram, and during the up and down movement of the suspended frame, the distance between the wheel axle and the motor output axle is always remained unchanged. A motor is directly installed on the car frame, the transmission between the motor and the car wheel is realized through belt transmission or chain transmission, simultaneously the effects of speed reducing and torque increasing are achieved, also a high-speed inner rotor motor is convenient to be adopted to obtain high specific power, and simultaneously the decelerator which is commonly used in the electric wheel of the inner rotor motor is omitted. The structure overcomes the disadvantage of the over weight mass of the electric wheel spring, and simultaneously the motor obtains large design spaces in the structure, installation and arrangement.
Owner:TONGJI UNIV
PC/PET (polycarbonate/polyethylene terephthalate) alloy material and preparation method thereof
ActiveCN104559110AImprove toughnessTo achieve the perfect effectPolyethylene terephthalate glycolAlloy
Owner:CGN JUNER NEW MATERIALS +1
High temperature resistant radar and infrared compatible camouflage material and preparation method thereof
The invention discloses a high temperature resistant radar and infrared compatible camouflage material with a layered structure. The material from the inside to the outside is mainly composed of a silicon carbide composite layer, an anti-oxidation modification layer, a metal frequency selective surface layer, wherein the anti-oxidation modification layer is a cordierite glass coating; the metal frequency selective surface layer is mainly composed of a high temperature resistant and oxidation resistant metal coating with periodic patterns. The preparation method comprises the steps of: preparing a silicon carbide composite layer by using a precursor infiltration and pyrolysis process; then evenly coating the silicon carbide composite layer surface with cordierite glass slurry by a brushing process; preparing an anti-oxidation modification layer on the surface of the silicon carbide composite material; preparing a metal coating on the anti-oxidation modification layer by a physical deposition process; and finally etching the metal coating into a frequency selective surface by a laser etching process, so as to complete the preparation of the radar and infrared compatible camouflage material. The high temperature resistant radar and infrared compatible camouflage material can withstand high temperature of above 1000 DEG C.
Owner:NAT UNIV OF DEFENSE TECH
Bearing arrangement for cylinders, rolls or drums
InactiveUS7011023B2Displacement be avoidLarge design spaceRoller bearingsLinear bearingsEngineeringStructural engineering
Owner:INA SCHAEFFLER KG
Laminated battery structure, secondary battery pack comprising same and battery pack module
InactiveCN106129478AImprove cycle performanceImprove manufacturing efficiencyFinal product manufactureSecondary cellsElectrical batteryPole piece
The invention discloses a laminated battery structure, a secondary battery pack comprising the same and a battery pack module. The laminated battery structure comprises a battery cell, wherein the battery cell comprises two layers of continuous diaphragms which are oppositely arranged; a plurality of first battery units arranged at intervals are clamped between the two layers of continuous diaphragms; the two layers of continuous diaphragms and the first battery units clamped between the continuous diaphragms are folded in a zigzag form to form the laminated battery cell; second battery units are clamped between the outer sides of the continuous diaphragms; and two pole pieces, which are close to each other, of each second battery unit and the corresponding first battery unit form one electrode pair. By the structure with the two layers of continuous diaphragms, on one hand, the stability of the battery structure is higher and the cycle performance of batteries is improved; and on the other hand, the production and preparation efficiency of the batteries can be improved.
Owner:HIGHPOWER TECH HUIZHOU
Method for manufacturing novel lithium iron battery
InactiveCN101901936ALarge design spaceImprove high-current discharge performanceElectrode manufacturing processesFinal product manufactureHigh energyLithium-ion battery
The invention relates to a method for manufacturing a novel lithium iron battery. The novel lithium iron lithium ion battery is manufactured by combining an anode active substance made of a FeF3 / V2O5 composite material and LiMn2O4 with a carbon cathode, wherein the anode active substance is prepared by ballmilling 5 to 85 mass percent of LiMn2O4 and 95 to 15 mass percent of FeF3 / V2O5 composite material for 1 and 8 hours; before the anode active substance is prepared, the FeF3 / V2O5 composite material is prepared first, namely V2O5 accounting for 1 to 50 percent of the total mass of the composite material and FeF3 accounting for 99 to 50 percent of the total mass of the composite material are subjected to high-energy ball mill for 1 to 8 hours and the ground V2O5 and FeF3 are annealed at the temperature of between 100 and 600 DEG C for 1 to 12 hours to form the FeF3 / V2O5 composite material. The method has the advantages of improving the conductivity of the material, prolonging the service life of the battery, improving a discharging platform substantially and enhancing the large-current discharging capacity of the battery, along with high safety performance of the battery.
Owner:HUNAN HAIXING HIGH TECH POWER BATTERY
Bounded accompanying boundary control method of satellites under circular reference orbit
ActiveCN104076819ALarge design spaceIncrease flexibilityPosition/course control in three dimensionsCircular referenceBoundary knot method
The invention provides a bounded accompanying boundary control method of satellites under a circular reference orbit. The bounded accompanying boundary control method includes the steps of when a bounded accompanying model, between bounded boundaries, of the tracked satellite relative to the reference satellite needs to be achieved at the terminal moment, building a boundary quantitative analysis relation between the bounded accompanying boundary of the satellites under the circular reference orbit and satellite orbital element differences in advance, and carrying out solving to obtain the expected orbital element difference corresponding to a boundary-given accompanying task; carrying out calculation through a pre-given quantitative analysis control model to obtain pulse speed increments needing to be exerted on the tracked satellite at the initial moment and the terminal moment. The expected orbital element difference is solved through a boundary analysis model, design space of the accompanying model is expanded, and certain flexibility is brought to selecting formation or cluster flight mission models. The demands for the pulse speed increments with given boundaries are obtained through accurate calculation of the quantitative analysis control model, and the bounded accompanying boundary control method has the advantages of being high in control accuracy and simple in control process.
Owner:TSINGHUA UNIV
Thermoplastic fiber enhanced composite material, preparation method and application
InactiveCN107226960AImprove impact toughnessAvoid damageFiber-reinforced compositeThermoplastic composites
The invention belongs to the field of materials, and in particular relates to a thermoplastic fiber-reinforced composite material, a preparation method and application of the material, and a method for preparing a case shell using the material as a raw material. The thermoplastic fiber reinforced composite material of the present invention includes thermoplastic fiber fabric and thermoplastic resin. Using the thermoplastic fiber-reinforced prepreg / sheet provided by the present invention to prepare the casing of a case can greatly improve the strength and impact resistance of the case compared with the traditional hard case. The thickness of the shell is reduced to reduce the weight of the luggage itself. Compared with the traditional hard box, it can reduce the weight by about 40%, and greatly improves the impact resistance of the luggage, reducing the damage of the luggage during use and consignment. Compared with traditional soft cases, it solves the shortcomings of soft cases and bags that are not pressure-resistant and waterproof, and leather cases are easy to be scratched and damaged, and are difficult to repair or have high repair costs.
Owner:泰安石英复合材料有限公司
Intelligent tracked mite eliminating instrument for beds
ActiveCN106075493AWon't wrinkleWon't breakElectric equipment installationRadiationBiologyControl unit
The invention discloses an intelligent tracked mite eliminating instrument for beds. The intelligent tracked mite eliminating instrument comprises a mite eliminating instrument body, a traveling device and a control unit. The mite eliminating instrument body comprises a mite eliminating device and a shell, and the control unit is respectively connected with the mite eliminating device and the traveling device. The intelligent tracked mite eliminating instrument is characterized in that the traveling device is a tracked traveling device which is arranged at the bottom of the mite eliminating instrument body, the mite eliminating device is arranged at the bottom of the mite eliminating instrument body, and the mite eliminating instrument body is driven by the tracked traveling device to move automatically under the action of the control unit. The intelligent tracked mite eliminating instrument is suitable for moving on soft surfaces of beds, sofas and the like without raising wrinkles or damaging bed sheets or sinking into beddings and is convenient to move and effective in mite eliminating and bactericidal effects. The control unit is capable of setting a certain automatic route for the mite eliminating instrument and setting a traveling speed of the mite eliminating instrument, and accordingly mite eliminating effects and efficiency can be improved beneficially.
Owner:王晓松
Wireless communication module
InactiveCN102215043AEasy to integrateReduce volumeTransmissionWireless communicationEvolution-Data OptimizedCode division multiple access
The invention belongs to the field of mobile communication, and relates to a wireless communication module, in particular to a high-performance small-sized module of a code division multiple access (CDMA) evolution-data optimized (EV-DO) mobile terminal. The small-sized module is applicable to a third generation (3G) user terminal. The wireless communication module is characterized in that: board-level connection is carried out by ball grid array (BGA) package; the level of integration is high; the size is small; good electrical performance and an external interface function are realized; and requirements of a customer can be well met. The wireless communication module comprises a radio frequency front end, a transmitting and receiving channel, a base band processing part, a memory and a power manager, wherein the base band processing part and the radio frequency front end are placed on a top layer of a circuit board; a shielding cover is arranged on the top layer to guarantee an excellent electromagnetic compatibility function of the module; the memory is placed on a bottom layer of the circuit board; and the bottom layer adopts an advanced BGA technology to guarantee reliable connection during the application of the module.
Owner:NATIONZ TECH INC
Method for verifying password code in fuzzy mode and code verifying equipment
The invention mainly relates to a method for verifying a password code in a fuzzy mode. The method includes the following steps that (1) a plurality of candidate information units are displayed in a hashed mode, information units of the password code serve as the candidate information units, and the distance between graphic user interfaces where every two adjacent candidate information units are located at any moment is not larger than a default maximum value; (2) setting of the relative position relation of a target selection area and the candidate information units is accepted, so that the number of the candidate information units covered by the target selection area can reach two or more, and the candidate information units covered by the target selection area are determined to be a selected information unit set; (3) the information units of the password code are compared with the selected information unit set, and when the selected information unit set comprises an information unit of a preset code, it is determined that a user selects the correct information unit in the preset code. The code verifying design achieved in the method integrates fuzzification of plaintext expression with feasibility of user operations and has the advantages of being safe and reliable.
Owner:SMART ELECTRONICS IND DONG GUAN +1
Method for producing microcrystal glass ceramics composite board
InactiveCN102775074AResolve colorSolved the technical issue where the pattern also gradually became blurredBrickFrit
The invention provides a method for producing a microcrystal glass ceramics composite board. The method comprises the following steps of: 1) applying powder and stamping to form a green brick; 2) forming a ground coat layer and a printing layer; 3) carrying out primary firing; 4) dispersing microcrystal glass fusion blocks; 5) carrying out secondary firing; and 6) edging and polishing, wherein a die cavity of a stamping mould used in step 1) has a concave-convex pattern, and the distance d between the raised place of the concave-convex pattern and the reference surface of the die cavity and the distance d between the recessed place of the concave-convex pattern and the reference surface of the die cavity are 0.22-1.1mm. The concave-convex pattern, the pattern of the printing layer and the color combination on the upper surface of a green brick layer of the glass ceramics composite board endow the product with an aesthetic feeling, the concave-convex surface texture transition is continuous and natural, the pattern effect can be combined in multiple ways, the designable space is large, abundant color and gloss matching decorating effects are provided, and the optical refraction of the surface crystallite glass layer ensures that the product has a three-dimensional feeling.
Owner:广东金牌陶瓷有限公司
Aluminum foam sandwich plate with gradient interface and manufacturing method thereof
The invention discloses an aluminum foam sandwich plate with a gradient interface and a manufacturing method thereof, which belong to the technical field of porous metallic materials and laminar composite materials. The manufacturing method comprises the steps of firstly, uniformly mixing aluminite powder or aluminum alloy powder and foaming agent titanium hydride powder to obtain mixed powder; then sequentially filling lower panel alloy powder, the mixed powder and upper panel alloy powder into a steel mold, wherein the three powder is distributed in a layered way; then putting the steel mold into a hot press machine so as to be hot-press densified to obtain a foamable sandwich plate prefabricated member; and finally heating and foaming the prefabricated member to obtain the foam sandwich plate with the gradient interface. According to the method, the densification of the aluminum foam prefabricated member and a compounding process of aluminum foam and panels are completed at the same time within one working procedure, so that the process flow is short, and the manufacturing cost is low; commercially available metal sheets have no need to be used, so that a material selection range and a design space are wide; and the aluminum foam sandwich plate with the gradient interface prepared through the invention is hopefully applied widely in the fields of automobiles, rail trains, buildings, electronics and national defense and military industry.
Owner:有研金属复材技术有限公司
Multi-level optimization design method of GIS/GIL basin-type insulator with high electrical resistance
ActiveCN111553089AImprove breakdown voltageReduce volumeArtificial lifeDesign optimisation/simulationEngineeringFunctionally graded material
The invention discloses a multi-level optimization design method of a GIS / GIL basin-type insulator with high electrical resistance. The method comprises a preliminary design stage and a detailed design stage. In the preliminary design stage, the basic shape of the GIS / GIL basin-type insulator is constructed by adopting contour shape optimization, the shapes of a convex surface and a concave surface of a basin body are described by utilizing a two-dimensional contour function, dielectric functionally graded material distribution is considered to be introduced, dielectric property space distribution is adjusted by utilizing topological optimization to actively regulate and control electric field distribution, and a creeping electric field is further deeply homogenized; in the detailed designstage, according to a dielectric distribution topological optimization result, the optimized gradient insulation area is converted into a high dielectric area with a constant dielectric constant, thesizes of the high-voltage side metal accessory and the high dielectric area are finely adjusted, an optimal size parameter is found out by adopting a genetic algorithm or an ant colony algorithm so as to finish the design of the basin-type insulator for GIS / GIL. The design space can be fully expanded, depth suppression of a creeping electric field is achieved, and the purpose of increasing the breakdown voltage of the basin-type insulator is achieved.
Owner:XI AN JIAOTONG UNIV
Oil-electricity dual-power driving device of hydraulic lifting system of aerial operation car
InactiveCN101863437AEnergy saving and environmental protection optimizationMultiple choice possibilitiesLifting devicesElectricityPower coupling
The invention discloses an oil-electricity dual-power driving device of a hydraulic lifting system of an aerial operation car, which comprises a gearbox, a force extractor, a universal joint transmission device and a dual-power coupling device sequentially input by a first power source. The dual-power coupling device also comprises a second power source, and the second power source and the first power source are merged and output to the same hydraulic pump. Compared with a traditional oil-electricity dual-power driving hydraulic lifting system of the aerial operation car, the invention saves one hydraulic pump and can achieve high selection possibility of system structures and control modes. Accordingly, the invention can provide a wider design space for further optimizing the energy-saving environmental-protection performance of the hydraulic lifting system of the aerial operation car.
Owner:SHANGHAI MUNICIPAL ELECTRIC POWER CO +1
Planetary gear deceleration integrated motor
InactiveCN105006912AMeet the space size requirementsReduce volumeMechanical energy handlingEngineeringHigh transmission
Disclosed in the invention is a planetary gear deceleration integrated motor comprising a housing part, a motor part, and a planetary gear deceleration part. The housing part consists of a motor shell, a main beam plate, and a reduction gearbox shell. The motor part installed in a cavity encircled by the motor shell and the main beam plate by a bearing contains a rotor shaft, a motor rotor, and a motor stator. The planetary gear deceleration installed in a cavity encircled by the reduction gearbox shell and the main beam plate by a bearing includes a sun wheel, a planet wheel, a planet carrier, an overturning clutch, and a power output shaft; the rotator shaft extends into the reduction gearbox shell to drive the sun wheel to make rotation; the sun wheel drives the planet wheel to rotate; the planet wheel drive the planet carrier to make rotation; the overturning clutch sleeves the power output shaft; the planet carrier drives the power output shaft to make rotation by the overturning clutch; and an annular gear arranged in the reduction gearbox shell is engaged with the planet wheel. The motor has advantages of small size, light weight, simple structure, high transmission efficiency, and low manufacturing cost.
Owner:张思强
Multiple-searching technology based three-dimensional wave-rider rapid design method
ActiveCN105069245AAccurate calculationAccurate resolutionSpecial data processing applicationsGround installationsShock waveLeading edge
The present invention discloses a multiple-searching technology based three-dimensional wave-rider rapid design method. The multiple-searching technology based three-dimensional wave-rider rapid design method comprises the following steps of: (1) determining a three-dimensional flow field; (2) determining a shock wave curved surface, and fitting a leading edge curve; and (3) performing streamline tracing by adopting a multiple-searching technology to generate a wave-rider lower surface, and automatically acquiring a wave-rider outline with a given length by performing scaling adjustment on a shock wave outlet shape line at the same time. The multiple-searching technology based three-dimensional wave-rider rapid design method has the following beneficial effects: (1) the condition that the existing design method is limited to a two-dimensional or quasi two-dimensional flow field is broken through, and a shock fitting method is used for accurately computing the three-dimensional flow field and accurately distinguishing the shock wave curved surface; (2) in order to solve the problem of mass data point addressing in a three-dimensional wave-rider design, data are divided into multiple subareas by use of an octree, and the point addressing efficiency strength can be greatly improved by combining a virtual boundary method; and (3) the three-dimensional flow field based on the shock fitting method expands the design space, and is combined with a multiple-searching based streamline tracing method to greatly improve the tracing efficiency and meet rapid design requirements of aircraft layout.
Owner:CHINA ACAD OF AEROSPACE AERODYNAMICS
Parameter optimization method based on Pareto optimality under dual-mode configuration multi-target condition
ActiveCN112677957AReduce dimensionalityLighten the computational burdenHybrid vehiclesConfiguration optimizationNew energy
The invention relates to a parameter optimization method based on Pareto optimality under a dual-mode configuration multi-target condition, and belongs to the field of new energy vehicles. The method comprises the following steps: S1, constructing a steady-state kinetic equation under different configuration modes of a dual-mode configuration and a mode switching strategy based on transmission efficiency maximization; S2, establishing a hybrid power transmission system transient kinetic equation considering the rotational inertia of components; S3, based on a dynamic programming algorithm, constructing economic evaluation indexes including working condition related economic cost and transmission system part cost and a dynamic property evaluation index quantified by hundred kilometers of acceleration time; and S4, constructing a multi-objective optimization function through a Chebyshev aggregation method, and obtaining the economic cost related to the dual-mode configuration related working condition, the power transmission system part cost and the optimal Pareto leading edge of the dynamic property taking the acceleration performance as an evaluation index based on a multi-objective evolutionary algorithm MOEA / D. According to the method, a wider design space is provided for configuration optimization.
Owner:CHONGQING UNIV +1
Leading-out process for anode and cathode of end cap-type tantalum capacitor
ActiveCN103700501AImproved positive and negative lead-out processLarge design spaceCapacitor housing/encapsulationEpoxySilver paste
The invention discloses a leading-out process for an anode and a cathode of an end cap-type tantalum capacitor. The leading-out process comprises the following steps: (1) getting a tantalum core preform with the anode and the cathode; (2) enabling a high-temperature adhesive tape of which the width is equal to that of the tantalum core preform to cling to the bottom part of a tantalum core, and then, preheating the tantalum core; (3) burying the preheated tantalum core in epoxy resin powder for 2s-5s, and then, tearing off the high-temperature adhesive tape at the bottom part of the tantalum core; (4) solidifying epoxy resin; (5) solidifying cathode silver paste; (6) solidifying anode silver paste; (7) separating the tantalum core to become a whole individual with specified dimensions; (8) electroplating the tantalum core obtained in the step (7). The leading-out process disclosed by the invention has the beneficial effects that an anode and cathode leading-out process for a traditional tantalum capacitor is improved; without an anode and cathode soldering lug or a leading-out wire, the middle part of the tantalum capacitor is insulated by utilizing the epoxy resin; the anode and the cathode of the capacitor are directly led out by the silver paste at both ends, so that the design space of the tantalum capacitor is enlarged.
Owner:CHINA ZHENHUA GRP XINYUN ELECTRONICS COMP ANDDEV CO LTD
Sound box non-contact inductive control system and control method thereof
ActiveCN101741321ALarge design spaceOvercoming the defects of mutual interferenceAmplifier with semiconductor-devices/discharge-tubesElectronic switchingState of artControl system
The invention relates to the technical field of sound box control, solves the technical problem of overcoming the defect of the prior art, and provides a sound box non-contact inductive control system, which has no interference, long service life and low requirement on data band width, and a control method thereof for the current infrared inductive technology. The control method adopted by the invention is that different control functions of the sound box is realized by using a plurality of infrared modules in a non-contact manner; infrared signals are circularly transmitted between the multiple infrared modules; and when one of the modules receives a feedback signal, the infrared module is locked to transmit infrared signals continuously, and sound box function control can be realized according to the control function corresponding to the infrared module. The invention has the advantages that the number of the infrared modules is absolutely not limited, and the installation positions are also not limited, thus a huge design space is brought to designers of sound box industry to lead the products to be more diversified.
Owner:李沫然
Coaxial composite welding method of laser spot welding and resistance spot welding
InactiveCN101934432AImprove mechanical propertiesIncreased tear resistanceLaser beam welding apparatusSpot weldingLaser beams
The invention discloses a coaxial composite welding method of laser spot welding and resistance spot welding, belonging to the technical field of welding. The method solves the problem of poor welding spot performance when the laser spot welding technology is,applied to an aluminum alloy material. The welding method of the invention is based on the existing resistance spot welding method of the base material to be welded. A top electrode in the laser spot welding method uses a hollow electrode. When performing the resistance spot welding on the base material to be welded, a laser beam passes through the center of the hollow electrode to perform the laser spot welding on the base material to be welded, so as to realize the coaxial composite of the laser spot welding and the resistance spot welding. The method of the invention is used as a welding technology.
Owner:HARBIN INST OF TECH
Modular robot control method and system
ActiveCN108356806AImprove ease of useLarge design spaceProgramme controlProgramme-controlled manipulatorSimulationModularity
The invention relates to the field of modular robots, in particular to a modular robot control method and system. According to the modular robot control method and system, a user can conduct configuration assembling at will and design control information for controlling the assembled configuration to execute actions, and using convenience of a modular robot is greatly improved; and the design space of the modular robot is enlarged, and the modular robot is applicable to more scenes.
Owner:BEIJING KEYI TECH
Functional circuit board core board with the function of absorbing instant high-voltage electric pulse energy and manufacturing method thereof
ActiveCN103997845AHigh peel strengthHigh affinityPrinted circuit detailsPrinted circuit manufactureEnergy absorptionEngineering
The invention provides a functional circuit board core board with the function of absorbing instant high-voltage electric pulse energy and a manufacturing method of the circuit board core board. The functional circuit board core board comprises an insulating layer, a basic core board body composed of a metal substrate on the top of the insulating layer and a metal substrate at the bottom of the insulating layer, a voltage resistance-variable functional material layer attached to the metal substrate on one side of the basic core board body, wherein small metal square block layers used for absorbing the instant high-voltage electric pulse energy and arranged at intervals are arranged all over the voltage resistance-variable functional material layer. Each small metal square block layer is composed of the small metal square blocks, wherein the length and the width of each small metal square block are 0.8 mm, the small metal square blocks are separated at transverse intervals and vertical intervals, and are arranged to form a small metal square block array in a mutual insulation mode, and the size of the transverse intervals and the size of the vertical intervals are 0.8 mm. Due to the fact that the electric energy absorption array is formed by the small metal square blocks, an instant electric energy absorption network can be easily built in application. The functional circuit board core board with the function of absorbing the instant high-voltage electric pulse energy is suitable for being arranged in all multi-layer circuit boards, devices on the circuit boards can have the shielding effect on the instant high-voltage electric pulse energy.
Owner:WUHAN CHIP PROTECTION TECH
Compound large-resistance wind-tunnel strain balance
ActiveCN106644367AImprove carrying capacityShorten the lengthSustainable transportationAerodynamic testingCarrying capacityResistance force
The invention discloses a compound large-resistance wind-tunnel strain balance which comprises a compound loop balance and a supporting rod. The compound loop balance comprises a free end transition section, a #2 supporting section, a #1 supporting section, a fixed end transition section and a supporting rod connecting section; the supporting rod comprises a cone-shaped connecting section and an equal straight section; the free end transition section is connected to the #2 supporting section through four-column beams (a side force, pitch moment and rolling torque measuring element) on the left and right sides; the fixed end transition section is connected to the #1 supporting section through two-column beams (a lift force and yawing moment measuring element) on the upper and lower sides; the #1 supporting section and the #2 supporting section are connected through a four-column beam (a resistance measuring element) on the inner side; and the supporting rod connecting section is connected to the cone-shaped connecting section of the supporting rod. According to the invention, the balance length is shortened, the diameter of the balance is increased, the carrying capacity of the balance is improved, the testing safety is improved, and the service life of the balance is prolonged.
Owner:INST OF HIGH SPEED AERODYNAMICS OF CHINA AERODYNAMICS RES & DEV CENT
Damping coupling
InactiveCN102032280ALarge design spaceAvoid vibration damping compression deformationYielding couplingAdverse effectTransmission system
The invention discloses a damping coupling which comprises a flange plate, a driven piece, a disk hub, a damping disk and damping springs, wherein the flange plate is connected with the driven piece through a first rivet; the disk hub consists of a disk hub web plate and a disk hub core plate; a disk hub core at the left side of the disk hub web plate is sleeved with a first damping washer; a disk hub core at the right side of the disk hub web plate is sequentially sleeved with a second damping washer, a positioning washer, a butterfly-shaped spring and a damping disk from left to right; the driven piece, the disk hub web plate and the damping disk are provided with elongated holes in corresponding positions in the circumferential direction; the damping springs are arranged in the elongated holes; the driven piece, the disk hub and the damping disk are connected through a second rivet; and the disk hub can rotate an angle alpha relative to the driven piece and the damping disk. The invention can effectively cut down the gear shift impact of a transmission, reduce adverse effects of the vibration of a transmission system on an electromotor and improve the reliability and the service life of the electromotor and parts of the transmission system.
Owner:力帆科技(集团)股份有限公司
Electronically-controlled common rail heavy oil injector
ActiveCN110594061AChange the work schedule at any timeSave spaceCorrosion preventing fuel injectionMachines/enginesVena contracta diameterCommon rail
The invention relates to an electronically-controlled common rail heavy oil injector which comprises an injector body, an electro-hydraulic control member and a nozzle member. In the electro-hydrauliccontrol member, a ring groove is formed in the middle of the outer side of a guide sleeve, a transverse through hole is formed in the middle of the groove to directly communicate with a middle hole of the guide sleeve, the two sides of the ring groove are provided with seal rings, and the interior of the oil injector is divided into three chambers. A control valve core guide section is provided with three ring grooves, and the second ring groove is in communication with the transverse through hole in the middle of the guide sleeve. An electromagnetic component is in contact with cooling oil,a cooling oil circuit is isolated from a fuel oil circuit by means of dynamic sealing, static sealing and drainage manners, and corroding and thermal damage of heavy oil to electronic components can be effectively prevented; and a sinking groove is formed in the middle of the top end of an orifice plate, a ball valve seat guide sleeve can be sleeved with the sinking groove of the orifice plate tobe in clearance fit with a ball valve seat, and a certain guiding ability for axial movement of the ball valve seat is achieved.
Owner:CHONGQING HONGJIANG MACHINERY
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