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Back contact battery and photovoltaic module
ActiveCN119677225Areduce processing timeImprove production efficiencyElectrical batteryMonocrystalline silicon
The invention discloses a back contact battery and a photovoltaic module, relates to the technical field of photovoltaic, and aims to improve the manufacturing efficiency of the back contact battery, increase the manufacturing capacity of the back contact battery and reduce the electric leakage risk of the battery. The back contact battery comprises a semiconductor substrate, a first doped silicon layer and a second doped silicon layer. The semiconductor substrate comprises a first surface and a second surface which are opposite. The first surface is provided with a first area and a second area which are distributed at an interval, and an interval area positioned between the first area and the second area; the area ratio of the first region in the first surface is greater than or equal to 50% and less than or equal to 60%. A first doped silicon layer is disposed on the first region. The material of the first doped silicon layer comprises polycrystalline silicon and / or monocrystalline silicon. A second doped silicon layer is disposed on the second region. The conductive type of the second doped silicon layer is opposite to that of the first doped silicon layer. The extinction coefficient corresponding to the first doped silicon layer is larger than the extinction coefficient corresponding to the second doped silicon layer.
Owner:LONGI GREEN ENERGY TECH CO LTD
Construction method of synchronous pouring type precast concrete fragmented bent cap and component mold and component manufacturing method of synchronous pouring type precast concrete fragmented bent cap
PendingCN119550463AReduce the difficulty of transportationreduce spacingMouldsMould panelsCantileverMechanical engineering
The invention discloses a construction method of a synchronous pouring type precast concrete split cover beam, a component mold of the synchronous pouring type precast concrete split cover beam and a component manufacturing method.The combined component mold is composed of a bottom mold, a side mold, a first side mold and a second side mold, and a baffle is arranged in a pouring area of the component mold; a plurality of components can be synchronously manufactured at a time through the mold, then the multiple components are spliced on site and cast in situ to form the component-piece-type prefabricated concrete cover beam, manufacturing of the large-cantilever prefabricated cover beam under the special working conditions that the construction site is narrow, the distance between supporting stand columns is small, cantilevers on the two sides are large, and the stress requirement is high can be achieved, and due to the fact that the prefabricated concrete cover beam is heavy, manufacturing cost is low. The prefabricated concrete cover beam is simple in structure and high in transportation difficulty, the transportation and hoisting difficulty is reduced by manufacturing the multiple components in a split mode, the manufacturing difficulty of the prefabricated concrete cover beam is reduced, meanwhile, manufacturing of the prefabricated concrete cover beam with the larger size and weight can be achieved, and the requirements for the prefabricated concrete cover beam in different projects are effectively met.
Owner:SHANGHAI CONSTR BUILDING MATERIALS TECH GRP CO LTD
Dexterous hand finger based on connecting rod transmission, bionic mechanical arm and humanoid robot
PendingCN119567298AImprove interaction efficiencyreduce volumeGripping headsArmsControl engineeringTraction cord
The invention discloses a dexterous hand finger based on connecting rod transmission, a bionic mechanical arm and a humanoid robot, belongs to the field of bionic mechanical arms, solves the problem that a transmission mechanism of an existing dexterous hand is low in response speed, and adopts the technical scheme that the dexterous hand finger mainly comprises a finger base and a finger body, a driver and a transmission mechanism in transmission connection with the driver are arranged on the finger base, the driver drives the finger body to bend and / or swing through the transmission mechanism, the transmission mechanism comprises a guide piece and a sliding block installed on the guide piece in a sliding mode, and the sliding block is in transmission connection with the finger body. A traction rope connected with the sliding block is wound on an output shaft of the driver, the driver controls the output shaft to rotate forwards and backwards so as to drag the sliding block to slide back and forth along the guiding piece through the traction rope, and then the finger body is controlled to bend and / or swing. The finger is mainly used for driving the sliding block to move through the pulling rope so as to control the finger body to bend and swing, and the response efficiency of the finger body can be improved.
Owner:MIRROR TECHNOLOGY (SHANGHAI) CO LTD
Low-coupling biaxial silicon micro-resonant accelerometer
PendingCN119619550AReduce coupling effectreduce spacingAcceleration measurementTuning forkAccelerometer
The invention discloses a low-coupling biaxial silicon micro-resonant accelerometer. The low-coupling biaxial silicon micro-resonant accelerometer comprises an upper-layer micro-accelerometer structure and a lower-layer glass substrate with a signal lead, the micro-accelerometer structure is composed of two separated mass blocks, two pairs of identical tuning fork resonators and eight identical primary amplification levers. The two separated mass blocks are fixed on the same group of anchor points through U-shaped beams in different directions and are respectively used for measuring the acceleration of X / Y axes, and the whole structure is in a symmetrical figure. The four tuning fork resonators are distributed in a central symmetry mode and used for detecting the acceleration of the X axis and the acceleration of the Y axis. The X-axis and the Y-axis adopt the separated mass blocks, the sensitive mass blocks of the X-axis and the Y-axis are not connected, complete decoupling of the two detection axes is achieved, the lever structure can effectively amplify inertia force generated by the mass blocks, the sensitivity of the accelerometer is improved, and high-precision double-axis acceleration measurement is easy to achieve.
Owner:QUANZHOU YUNJIAN MEASUREMENT CONTROL & SENSING TECH INNOVATION RES INST +1
Rice seedling raising device and use method
InactiveCN119452946AUniform growthFully contactedSelf-acting watering devicesCultivating equipmentsEngineeringOryza sativa
The invention relates to the field of rice seedling raising. The invention discloses a rice seedling raising device and a using method, and aims to solve the problems that when existing rice is cultivated through a tray, the angle of the tray needs to be adjusted to enable the rice to be irradiated by sufficient sunlight, and when the angle of the rice is adjusted, the rice cannot be raised. Due to continuous growth of rice, the rice on stacked trays can be hindered when the angle of the trays deviates, and the rice cultivation effect is affected. The trays arranged in a clamped mode can deflect through the adjusting frames on the adjusting rods, so that the multiple trays vertically arranged at equal intervals are inclined, seedlings on the multiple trays can make full contact with sunlight conveniently, and the seedlings grow evenly.
Owner:ORDOS AGRI & ANIMAL HUSBANDRY TECH EXTENSION CENT
Carton packaging finished product conveying and stacking equipment
InactiveCN119660316Aeasy to operateImprove palletizing efficiencyStacking articlesDe-stacking articlesCartonPalletizer
The invention relates to the technical field of carton packaging finished product conveying and stacking, in particular to carton packaging finished product conveying and stacking equipment which comprises a material taking mechanism, a limiting mechanism and a stacking mechanism. Through cooperation of the material taking mechanism and the limiting mechanism, fixed-point material taking can be conducted on carton packaging finished products conveyed on the conveying frame, and the multiple carton packaging finished products subjected to fixed-point material taking can be sequentially stacked and placed from bottom to top only by repeating a single moving track; through cooperation of the material taking mechanism and the stacking mechanism, two stacks of carton packaged finished products which are adjacent front and back can be tightly attached and stacked together, the placing distance between the two stacks of carton packaged finished products which are adjacent left and right can be reduced as much as possible, and therefore the shaking space between each stack of carton packaged finished products is greatly reduced.
Owner:SHANDONG JINHE PACKAGING TECHNOLOGY CO LTD
Driving shaft assembly bell housing cleaning equipment
InactiveCN119456550Aachieve cleaningComprehensive cleaningEdge grinding machinesPolishing machinesDrive shaftWastewater
The invention relates to the technical field of cleaning equipment, and discloses driving shaft assembly bell housing cleaning equipment. The device comprises a barrel shell provided with a feeding port, a discharging port and an interlayer, and a transferring mechanism capable of transferring the bell-shaped shell and a cleaning mechanism capable of cleaning the bell-shaped shell are arranged in the barrel shell; the transferring mechanism comprises a shaft barrel which is arranged in the barrel shell, can rotate and can discharge waste water, and a plurality of cleaning barrels used for containing the bell-shaped shells are rotationally installed on the shaft barrel. The cleaning mechanism comprises a rotatable water injection pipe, and one end of the water injection pipe extends out of the barrel shell and is rotationally connected with the barrel shell. According to the device, nickel sand can be matched with cleaning water to clean the bell housing, so that stains easy to clean can be removed, stubborn attachments on the surface of the bell housing can be removed in a polishing mode, and compared with a traditional washing and overturning polishing cleaning mode, the device is more comprehensive.
Owner:HANGZHOU TENGLI TRANSMISSION TECHNOLOGY CO LTD
Civil construction supporting device
ActiveCN119373122Areduce spacingGuaranteed spacingExcavationsBulkheads/pilesArchitectural engineeringEngineering support
Owner:HENAN CANFANG MECHANICAL EQUIP TECH CO LTD
Silver-based tin oxide electric contact material and preparation method thereof
The invention discloses a silver-based tin oxide electric contact material and a preparation method thereof, and relates to the technical field of electric contact materials. When the silver-based tin oxide electric contact material is prepared, firstly, a high-temperature solid-phase method is used for doping lithium and cerium to prepare doped tin oxide powder; stannic chloride and copper nitrate are prepared into a fiber membrane through electrostatic spinning, meanwhile, titanium dioxide is grown in situ through nano spraying, and doped stannic oxide fibers are prepared after calcination; the doped tin oxide powder, doped tin oxide fibers and silver powder are subjected to high-energy ball milling and powder mixing and then annealed, and silver-based tin oxide composite powder is obtained; the silver-based tin oxide composite powder is subjected to pre-pressing forming and then subjected to vacuum discharge plasma sintering, and the silver-based tin oxide electric contact material is prepared. The prepared silver-based tin oxide electric contact material has the advantages of being low in resistivity, high in fusion welding resistance, good in arc erosion resistance and easy to machine and shape.
Owner:YUEQING CHANGHONG ELECTRICAL ALLOY MATERIAL
Miniature transformer suitable for low-power-consumption charger and rapid assembling method of miniature transformer
ActiveCN119581186AEnsure electromagnetic efficiencyincrease the air gapTransformers/inductances coolingTransformers/inductances magnetic coresTransformerShape-memory alloy
The invention relates to a miniature transformer suitable for a low-power-consumption charger and a rapid assembling method of the miniature transformer. The miniature transformer comprises a fixed iron core and a movable iron core which are arranged on a base, and an air gap is reserved between the fixed iron core and the movable iron core; a limiting seat positioned at one end of the framework is detachably mounted on the base; the movable iron core is positioned between the limiting seat and the framework; a plurality of bimetallic strips are mounted on one side, close to the limiting seat, of the framework, and the bimetallic strips are configured to control the air gap to be increased during temperature rise; a plurality of shape memory alloy springs are arranged between the limiting seat and the movable iron core, and the shape memory alloy springs are configured to be converted into an austenite phase and softened when the temperature rise exceeds the phase change temperature of the shape memory alloy springs; and when the temperature is reduced to the phase transition temperature, the shape memory alloy spring is converted into a martensite phase and recovers elasticity to drive the movable iron core to be far away from the limiting seat, so that the air gap is reduced. According to the invention, the air gap is automatically adjusted along with the temperature rise, and the temperature rise is controlled, so that the electromagnetic efficiency in different load states is ensured.
Owner:CHANGAN ANPINYUAN ELECTRONICS TECH CO LTD
Fertilizer proportioning device
ActiveCN222489719Ureduce spacingavoid compromising qualityRotary stirring mixersTransportation and packagingElectric machineAgricultural engineering
The utility model relates to the technical field of color pepper planting, and particularly discloses a fertilizer proportioning device which comprises a proportioning device body, a cover plate is arranged at the upper end of the proportioning device body, a motor is arranged at the lower end of the proportioning device body, an output shaft of the motor is positioned in the proportioning device body, and a mixing shaft is fixedly mounted on the output shaft of the motor. The upper end part of the mixing shaft is fixedly provided with a beating mechanism, the beating mechanism comprises an expansion shaft, the upper end part of the expansion shaft is fixedly provided with a straight rod, the expansion shaft and the cover plate are rotatably installed, and the expansion shaft is partially exposed above the cover plate. And the motor can drive the mixing shaft and the expansion shaft to rotate together and knock each proportioning container unit, so that the situation that the proportioning quality is influenced by more material residues on the inner wall of each proportioning container unit can be avoided without other driving devices, and the whole device is relatively practical.
Owner:XINJIANG ISULONGKUN AGRI DEV CO LTD
Cutting head device and coal mining machine
ActiveCN119466768Aeasy to collectImprove coal mining efficiencyCutting machinesVertical planeMachine
The embodiment of the invention provides a cutting head device and a coal mining machine, and belongs to the technical field of mining equipment. The cutting head device comprises a machine body, at least two machine arms and at least two cutting heads, the at least two machine arms are sequentially arranged at intervals in the vertical direction, and the first end of each machine arm is connected with the front end of the machine body in a swinging mode so that the second end of each machine arm can swing in the vertical plane; and the at least two cutting heads are connected to the second ends of the machine arms correspondingly, and the distance between each cutting head and the machine body is gradually reduced in the vertical downward direction. According to the embodiment of the invention, the mining efficiency is improved by adding the machine arms and the cutting heads, and steps can be formed on a coal seam in the coal mining process by adjusting the distance between each cutting head and the machine body, so that the height difference when damaged coal falls down is reduced, the splashing distance of the coal is reduced, and the coal is easier to collect.
Owner:CHINA RAILWAY CONSTR HEAVY IND
Two-transistor embedded flash memory array
The invention provides a double-transistor embedded flash memory array. The double-transistor embedded flash memory array comprises a plurality of memory units which are arranged on a substrate in rows and columns, each storage unit comprises a selection tube and a storage tube which are arranged in pairs along a first direction; the active area of the storage array comprises a plurality of strip-shaped first active areas extending along a first direction and a strip-shaped second active area along a second direction; the selection tubes and the storage tubes of the two adjacent storage units in the first direction are arranged in a mirroring mode relative to the second active area, each storage unit forms a second electrode on the second active area, and the second active area is connected with the second electrodes of all the storage units in the second direction. According to the storage array, the continuous active regions are added in the word line direction, and one side of the substrate can be connected with the source line, so that the space between two control grids of an existing structure is reduced, the size of a storage unit is greatly reduced, and the storage density of the storage array is improved.
Owner:GTA SEMICON CO LTD
PEEK engineering plastic gear injection molding mold and method thereof
ActiveCN119526701AGuaranteed adjustabilitywide range of sizesDomestic articlesPolymer scienceGear wheel
The invention relates to the technical field of injection molding, in particular to a PEEK engineering plastic gear injection molding mold and a method thereof. The PEEK engineering plastic gear injection molding mold comprises a bottom plate, the top of the bottom plate is fixedly connected with a fixing ring, an annular limiting groove is formed in the fixing ring, the inner circumferential wall of the annular limiting groove is slidably connected with a plurality of limiting blocks, one side of each limiting block is fixedly connected with a sleeve, and a cavity is formed in each sleeve; the PEEK engineering plastic gear injection molding mold and the PEEK engineering plastic gear injection molding method have the beneficial effects that according to the PEEK engineering plastic gear injection molding mold and the PEEK engineering plastic gear injection molding method, after the shaping alloy belt is limited by the sliding block in the reverse direction, the inner diameter of the shaping alloy belt can be controlled by controlling the height of the lifting block to change; therefore, the mold is matched with the size of the gear needing to be formed, the size range of the gear capable of being formed by the mold can be wider, and the forming effect of the mold is more practical.
Owner:WUXI KEJING ENVIRONMENTAL PROTECTION PLASTIC TECH CO LTD
Combustor and heat exchanger combined structure and gas water heater
ActiveCN222503844Ureduce spacingreduce outboundFluid heatersStationary tubular conduit assembliesCombustorHeat losses
The utility model discloses a combined structure of a burner and a heat exchanger and a gas water heater. The combined structure of the combustor and the heat exchanger comprises the heat exchanger and a combustor assembly, and the combustor assembly comprises a closed shell, a combustor, a fuel gas supply assembly and an air supply assembly; an opening is formed in the top of the shell, the combustor is arranged in the shell, the fuel gas supply assembly is used for supplying fuel gas to the combustor, and the air supply assembly is used for conveying air into the shell; the shell is provided with an opening, the heat exchanger is fixed at the top of the shell and covers the opening, the heat exchanger comprises an outer frame, heat exchange fins arranged in the outer frame and a heat exchange pipeline fixed on the outer frame, the heat exchange pipeline comprises a plurality of straight pipes, the straight pipes penetrate through the heat exchange fins, and all the straight pipes are parallel to one another and are arranged in a row in the horizontal direction. According to the utility model, the distance between the heat exchanger and the burner can be reduced, and the heat loss is reduced.
Owner:CHINABEST HOME APPLIANCE
Pressure-adjustable constant-temperature wound irrigator
PendingCN119424808Aguaranteed pressureImprove recovery effectEnemata/irrigatorsCannulasGear wheelLiquid storage tank
The invention discloses a pressure-adjustable constant-temperature wound irrigator, and relates to the technical field of medical instruments, the pressure-adjustable constant-temperature wound irrigator comprises an irrigator body and a liquid storage tank, a liquid inlet cavity is formed in the irrigator body, and a plurality of heating pipes are fixedly mounted in the irrigator body and located in the liquid inlet cavity; the device has the beneficial effects that different pressing plates are pressed by pedaling to perform size adjustment operation, a first rack transversely moves to drive a mounting inner rod to move, then a gear and the rack are matched to drive a valve plate to rotate, and a water temperature detector is fixedly mounted on one side of the flusher body; the pressure of liquid conveying in the liquid outlet pipe is adjusted through rotation of the valve plate, then the effect of adjusting the pressure of output liquid is achieved by pressing the pressing plate, and the hydraulic pressure can be adjusted more conveniently according to the use requirement of a user by arranging the two arc gears capable of enabling the mounting inner rod to move oppositely.
Owner:TANGSHAN WORKERS HOSPITAL
Emergency rescue unmanned aerial vehicle
InactiveCN119637150Aavoid bending deformationavoid damageFreight handlingAlighting gearMarine engineeringEmergency rescue
The invention provides an emergency rescue unmanned aerial vehicle, and belongs to the technical field of unmanned aerial vehicles. Comprising a main body and two sets of wing frames, the two sets of wing frames are fixedly connected to the outer wall of the main body, adjusting holes are formed in the tops of the wing frames, the supporting mechanism is arranged in the two sets of adjusting holes, the supporting mechanism comprises two sets of adjustable supporting legs, and the two sets of adjustable supporting legs are slidably connected into the two sets of adjusting holes respectively. The supporting mechanisms are used for supporting the main body, and the buffering mechanisms are arranged at the bottoms of the adjustable supporting legs. The unmanned aerial vehicle is buffered through the elastic force of a plurality of buffer springs during landing, and the phenomenon that in the landing process of the unmanned aerial vehicle carrying emergency rescue articles, the adjustable supporting legs are bent and deformed due to the fact that impact force is too large due to gravity superposition of the device and the emergency rescue articles is avoided; and the phenomenon that vibration force is transmitted into the main body to cause damage to elements in the main body is avoided, and the service life of the equipment is prolonged.
Owner:ZHANGZHOU BURNT MECHANICAL & ELECTRICAL EQUIPMENT CO LTD
Cement concrete pavement paving device
InactiveCN119465740AReduce the amount of solutionreduce spacingRoads maintainenceSpiral bladeArchitectural engineering
The invention relates to the technical field of constructional engineering, in particular to a cement concrete pavement paving device which comprises compaction transportation equipment, a mounting cylinder, a rotating shaft, a first spiral blade, a second spiral blade and a pushing rod, and the first spiral blade is fixedly connected to the rotating shaft in a sleeving mode; the number of the first spiral blades is two, and the two first spiral blades are arranged in a spaced mode and are opposite in spiral direction. The second spiral blade is slidably connected to the rotating shaft in a sleeving mode and has elasticity. The number of the second spiral blades is two, a spiral conveying channel is formed between the second spiral blades and the first spiral blade, the pushing rod is arranged on the compaction conveying equipment, and the end of the pushing rod is pushed between the two second spiral blades, so that when the compaction conveying equipment is used, when a laying route turns, the pushing rod can push the second spiral blades. And under the pushing of the pushing rod, the conveying capacity of the conveying channel located on the inner side is weakened, and the conveying capacity of the conveying channel located on the outer side is increased, so that the conveyed cement concrete changes in the radial direction.
Owner:XINXIANG SMART CITY CONSTR MANAGEMENT CO LTD +1
Low-temperature high-adhesion conductive silver paste and preparation method thereof
PendingCN119480213Agood adhesionImprove mechanical propertiesNon-conductive material with dispersed conductive materialPhotovoltaic energy generationSide chainAcrylonitrile
The invention discloses low-temperature high-adhesion conductive silver paste and a preparation method thereof, and the conductive silver paste comprises the following raw materials in parts by weight: 10-15 parts of modified polyurethane, 8-10 parts of methyl methacrylate, 3-5 parts of isobornyl acrylate, 1-1.5 parts of acrylonitrile, 1-1.5 parts of KH570, 0.1-0.3 part of a photoinitiator, 55-65 parts of silver powder and 10-15 parts of ethyl acetate. A polyurethane acrylate molecular side chain generated after the conductive silver paste is cured contains cyano groups, the cyano groups have high polarity, then the shrinkage performance of the molecular chain is enhanced, the distance between the silver powder is shortened, the silver powder is adsorbed, dispersion of the silver powder is facilitated, meanwhile, a stable conductive path can be formed in the silver paste through addition of the modified filler, and the conductive performance of the silver paste is improved. The mechanical property of the material after the silver paste is cured is improved, and the service life is prolonged.
Owner:DONGGUAN DOMAL ELECTRONICS SCI & TECH
Curve drawing method and device, computer equipment and storage medium
PendingCN119444915Areduce spacingImage analysisDrawing from basic elementsComputational scienceAlgorithm
The invention relates to a curve drawing method and device, computer equipment and a storage medium. The method comprises the following steps: acquiring a curve starting point, and adding the curve starting point as a fitting point; acquiring a first moving path of the mouse pointer, determining at least one curve middle point corresponding to the first moving path from the surface of the three-dimensional grid model, and adding each curve middle point as a fitting point; fitting according to each fitting point to obtain a spline curve, and obtaining each interpolation point on the spline curve; respectively determining a projection point of each interpolation point on the surface of the three-dimensional grid model; and generating a target curve according to each fitting point and each projection point. By adopting the method, the fitting degree of the curve and the surface of the three-dimensional grid model can be improved.
Owner:HEFEI MEIYA OPTOELECTRONICS TECH
Method for improving optical storage performance by superposing and rewriting Type X structure based on femtosecond laser direct writing
ActiveCN119446233Areduce spacingincrease storage capacityRead-only memoriesOptical diffractionFemto second laser
The invention discloses a method for improving optical storage performance by superposing and rewriting a Type X structure based on femtosecond laser direct writing, and belongs to the technical field of optical storage, and the method comprises the steps: 1, determining a processing parameter window of the Type X structure; 2, determining a seed pulse parameter and a write-in pulse parameter; 3, random data writing and reading are carried out; according to the method, the storage points are superposed and rewritten by utilizing the erasable rewriting characteristic of the Type X, so that the limitation of optical diffraction limit can be bypassed, the storage capacity of the femtosecond laser permanent optical storage technology is improved by at least one order of magnitude, the number of pulses required by each storage point can be reduced, and the data writing speed is improved.
Owner:JILIN UNIVERSITY
Electro-optical modulator and preparation method thereof
PendingCN119575706AReduce absorption lossreduce spacingNon-linear opticsRidge waveguidesImpedance matching
The invention discloses an electro-optical modulator and a preparation method thereof. The electro-optical modulator comprises a substrate layer; the resin layer is arranged on one side of the substrate layer; the film lithium niobate layer is arranged on the side, away from the substrate layer, of the resin layer, and ridge waveguides are arranged on the surface of the part, close to the resin layer, of the film lithium niobate layer; and the metal electrode layer is arranged on the partial surface, far away from the resin layer, of the thin film lithium niobate layer. The thin-film lithium niobate electro-optical modulator with the metal electrode layer and the ridge waveguide in different planes is adopted, low half-wave voltage and low light absorption loss can be achieved, meanwhile, the speed and impedance matching of microwaves and light waves are achieved, and therefore microwave loss is reduced.
Owner:YONGJIANG LAB
Avalanche diode and detector
PendingCN119545927AImprove efficiency in triggering avalanchesreduce spacingPhotometry using electric radiation detectorsAvalanche diodeMaterials science
The invention discloses an avalanche diode and a detector, as one example, the avalanche diode includes a substrate; the first electrode has a first doping type, and the first electrode extends into the substrate from one surface of the substrate; the second electrode has a second doping type, the second electrode extends into the substrate from one surface of the substrate, and the second electrode and the first electrode are arranged at an interval; and the diversion structure is annularly arranged on the outer periphery of the first electrode, and the diversion structure extends into the substrate from the first surface. The avalanche diode of the technical scheme of the invention can improve the detection efficiency and is beneficial to production and preparation.
Owner:HANGZHOU HIKVISION DIGITAL TECHNOLOGY CO LTD
Warehousing system and warehouse-in and warehouse-out method
PendingCN119349086Aincrease storage capacitylarge storage capacityStorage devicesControl engineeringWorkstation
The embodiment of the invention provides a warehousing system and a warehouse-in and warehouse-out method. The warehousing system comprises a goods shelf, a first robot, a second robot and a work station. The first robot is used for taking and placing the material box between the material box storage layer and the material box temporary storage layer of the goods shelf; the second robot can carry material boxes between the work station and the material box temporary storage layer of the goods shelf and comprises a shifting rod mechanism used for shifting the material boxes on the material box temporary storage layer to the goods carrying platform or shifting the material boxes on the goods carrying platform to the material box temporary storage layer when the second robot moves to the position, corresponding to the material box temporary storage layer, in the containing space. And moreover, the material boxes are taken and placed through shifting of the shifting rod mechanism, so that the material box temporary storage layer can be set to be low, the distance between the material box temporary storage layer and the material box storage layer is reduced, the space of the storage area is increased, and the storage capacity of the goods shelf is improved. Through mutual relay cooperation of the two robots, warehouse-in and warehouse-out of the workbins in the warehousing system are achieved, and therefore the goods taking and placing efficiency of the warehousing system is improved.
Owner:HANGZHOU HIKROBOT TECH CO LTD
A non-invasive ultra-high density EEG acquisition electrode
ActiveCN115153564Bsmall sizeImprove stabilitySensorsDiagnostic recording/measuringHigh densityEngineering
The present invention discloses a non-invasive ultra-high density electroencephalogram (EEG) acquisition electrode, the structure of which comprises a hollow cylindrical electrode device (1) and a needle-shaped electrode device (2), wherein the needle-shaped electrode device (2) is mounted on the hollow cylindrical electrode device (1), and the needle-shaped electrode device (2) is a detachable combined structure that slides up and down relative to the hollow cylindrical electrode device (1). Compared with the prior art, the present invention greatly reduces the size of the non-invasive electroencephalogram (EEG) acquisition electrode, and can be used in the design of a non-invasive ultra-high density BCI system, reducing the electrode spacing to the millimeter level to improve the spatial resolution of the non-invasive electroencephalogram (EEG) signal; at the same time, the stability and ease of use of the non-invasive ultra-high density electroencephalogram (EEG) acquisition electrode when in use are improved.
Owner:TIANJIN UNIV
Gas thermodynamic analysis method, system, equipment and medium for hydrogen energy automobile power device
ActiveCN119416700Areduce spacingAnalysis is accurate and reliableDesign optimisation/simulationComplex mathematical operationsHigh pressure hydrogenEnergy exchange
The invention relates to a gas thermodynamic analysis method, system and equipment for a hydrogen energy automobile power device and a medium. The method comprises the following steps: S1, describing behaviors of high-pressure hydrogen gas in the hydrogen energy automobile power device by adopting an R-K real gas state equation; s2, dividing a system into a fixed-volume opening system, a variable-volume opening system and a variable-volume closed system according to whether a thermodynamic system to which high-pressure gas in the hydrogen energy automobile power device belongs exchanges substances and energy with the outside or not and whether the volume is fixed or not; s3, thermodynamic models of the three systems under the adiabatic condition and the convective heat transfer condition are calculated respectively; and S4, obtaining the temperature distribution rule of the high-pressure gas in the hydrogen energy automobile power device through the thermodynamic model under the adiabatic condition and the convective heat transfer condition, and completing the thermodynamic analysis of the high-pressure gas in the hydrogen energy automobile power device. Compared with the prior art, the thermodynamic analysis precision of the high-pressure gas in the hydrogen energy automobile power device is improved, and the application range is expanded.
Owner:TONGJI UNIV
Supporting frame for machining automobile engine cover
The utility model relates to the technical field of supporting frames, in particular to a supporting frame for machining an automobile engine cover, which comprises a device body, a supporting rod, a supporting rod, a supporting rod, a supporting rod, a supporting rod and a supporting rod, a clamping mechanism is arranged on one side of the supporting pile and comprises a supporting clamp, and a movable plate is inserted into the supporting clamp. One side of the automobile engine cover is inserted between the supporting clamp and the clamping plate, then the angle of the adjusting screw rod is rotated, the bottom end of the adjusting screw rod is made to move in the threaded hole formed in the supporting clamp, the adjusting screw rod drives the movable plate to slide in the movable groove formed in the supporting clamp, and therefore the distance between the supporting clamp and the clamping plate is shortened. The automobile engine cover is clamped and fixed through the supporting clamps and the clamping plates, and the problem that the machining efficiency is affected due to the fact that a fixing assembly needs to be additionally installed for limiting the engine cover and operation is tedious is solved.
Owner:合肥中庆机械科技有限公司
Compressing and fixing device of circuit board
ActiveCN222655414Ureduce spacingImprove efficiencyPrinted circuit manufactureElectric machineDrive shaft
The utility model provides a compressing and fixing device for a circuit board, which comprises a base and an electric hot press, supporting seats are fixedly connected to the periphery of the top of the base, and a fixing seat is fixedly connected among the tops of the four supporting seats. Compared with the prior art, the belt conveying device has the advantages that a clockwise rotation switch at the output end of a motor in the belt conveying assembly is started, the belt transmission connection relation is utilized, four connecting shafts and four transmission shafts rotate clockwise at the same time, and the four connecting shafts drive four transmission wheels to rotate clockwise at the same time; and then the four toothed plates can be pushed to move towards the interior of the positioning frame at the same time, the distance between rubber rollers in the four positioning clamping rollers can be shortened, and therefore the multiple layers of circuit boards stacked on the top of the containing table can be calibrated and stacked from the four sides at the same time, and a single motor drives a clamp to calibrate and stack the four sides of the stacked circuit boards at the same time. And the hot-pressing processing efficiency and processing quality of the circuit board are effectively improved.
Owner:JIANGSU HEHONG INTELLIGENT TECH CO LTD
Shallow silo outer wall operation hanging basket mechanism and mounting method
PendingCN119389990AExtended service lifeavoid wear and tearSafety devices for lifting equipmentsPortable liftingIndustrial constructionBlock and tackle
The invention discloses a squat silo outer wall operation hanging basket mechanism which comprises a squat silo composed of a cylindrical granary and a circular-truncated-cone-shaped silo top, a plurality of suspension devices are evenly distributed on the cylindrical granary in the circumferential direction, and a plurality of pulley block fixing devices are fixed to the top of a gutter outer wall of the cylindrical granary in the circumferential direction. The top of each pulley block fixing device is provided with a vertically-arranged first fixed pulley, the outer side face of each pulley block fixing device is provided with a second fixed pulley arranged in the radial direction of the outer wall of the cylindrical granary gutter, each first fixed pulley and the corresponding second fixed pulley form a pulley block, and each steel wire rope penetrates through one pulley block to be connected with suspension equipment. The invention further discloses an installation method of the squat silo outer wall operation hanging basket. The installation method comprises the following steps that the suspension equipment is installed; installing a steel circular ring; installing a steel wire rope; mounting a pulley block; and mounting a safety rope. The distance between the working face and the outer wall is reduced, the probability of friction between the steel wire rope and the cornice position is reduced, and the device can be widely applied to the field of industrial building construction.
Owner:CHINA FIRST METALLURGICAL GROUP +1
Anti-pinch electric retractable door
ActiveCN222501598Uimprove securityincrease spacingGates/doorsPower-operated mechanismElectric machineWire rope
The utility model relates to the technical field of electric retractable doors, and discloses an anti-pinch electric retractable door which comprises a hidden wall body, a driver and door bodies, the door bodies are arranged on one side of the driver, a plurality of door bodies are arranged, hinge rods are arranged among the door bodies, fixing rings are arranged on the upper half portions and the lower half portions of the two sides of the door bodies, and the hinge rods are connected with the hidden wall body. The electric door is characterized in that fixing rings are arranged on the two sides of the door body, steel wire ropes are arranged in the fixing rings, character rings are arranged in the area, located between the fixing rings, of the outer side of the steel wire ropes, protective cloth is arranged between the character rings located on the upper side and the lower side, and a main shaft is arranged between the hidden wall bodies. At the moment, the winding and unwinding motor drives the main shaft to rotate, the steel wire rope is wound, the protective cloth between the fixing rings can be folded to be close to each other, gaps between the door bodies can be shielded and protected, children and the like are prevented from entering the gaps between the door bodies, and therefore clamping prevention is achieved, and the safety of the electric retractable door is improved.
Owner:盐城华胜门业有限公司