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983results about How to "Simple design" patented technology

Exhaust turbocharger

An exhaust turbocharger has a housing, in which a shaft is mounted by bearings, which carries a turbine wheel, on the one hand, and a compressor wheel, on the other hand. An electric machine has a rotor and a stator. The rotor is secured on the shaft for conjoint rotation therewith and the stator surrounds the rotor radially on the outside. A sleeve, which supports the rotor radially and axially, is arranged between the stator and the rotor. The sleeve has at least one fluid duct, by way of which a cooling fluid can be guided toward the bearings of the shaft.
Owner:DR ING H C F PORSCHE AG

Digital twin long-span bridge earthquake wind vibration and vibration reduction and isolation system and method

PendingCN121936002AImplementation cycleRealize managementGeometric CADDesign optimisation/simulationFatigue damageGeometrically nonlinear
The invention discloses a digital twinning long-span bridge earthquake wind vibration and vibration reduction and isolation system and method, the system takes a high-fidelity digital model for constructing a long-span bridge as a basis, comprises full life cycle monitoring and management of the bridge under earthquake, wind vibration and vibration reduction and isolation conditions, and is based on a sky-air-ground-water integrated ubiquitous sensing module. In combination with artificial intelligence algorithms such as deep learning and a pulse neural network, real-time state evaluation of a bridge structure, material nonlinear analysis, geometric nonlinear analysis, multi-point excitation and pile-soil-structure interaction simulation, wind-induced fatigue damage prediction, earthquake vulnerability evaluation and closed-loop control scientific decision based on an artificial intelligence body are realized. According to the invention, system support and method guidance can be provided for large-span bridge anti-seismic and anti-wind design, intelligent monitoring, operation and maintenance management and vibration reduction and isolation system optimization.
Owner:SOUTH CHINA UNIV OF TECH

Multi-point monitoring flexible temperature sensor array system for deep sea environment

The invention discloses a multi-point monitoring flexible temperature sensor array system for a deep sea environment. The multi-point monitoring flexible temperature sensor array system comprises a sensing node array composed of a plurality of sensing nodes, a plurality of flexible interconnection wires and a master control node, all the sensing nodes are connected in series through flexible interconnection wires and then are electrically connected with the master control node. The sensing node comprises a ratio type temperature measurement module and a 1-Wire bridging chip, the master control node comprises a 1-Wire master control chip and an MCU, and the flexible interconnection wire is a snakelike wire; the ratio type temperature measurement module collects a sampling signal and transmits the sampling signal to the 1-Wire master control chip through the 1-Wire bridge chip. And the MCU obtains the temperature at the node according to the sampling signal of each sensing node. The flexible temperature sensor array system provided by the invention is simple in structure, stable in performance and insensitive in pressure, and can reliably realize multi-point temperature real-time monitoring in a deep sea environment.
Owner:TIANJIN POLYTECHNIC UNIV

Intermediate film for laminated glass based on color generation of photonic crystal structure and preparation method of intermediate film

PendingCN121949951AMeet dynamic aestheticsmeet needsSynthetic resin layered productsGlass/slag layered productsSelective reflectionMicrosphere
The invention relates to the technical field of functional polymer composite materials, in particular to an intermediate film for laminated glass based on color generation of a photonic crystal structure and a preparation method of the intermediate film. The intermediate film comprises a thermoplastic resin matrix and a three-dimensional photonic crystal structure region dispersed in the thermoplastic resin matrix, wherein the three-dimensional photonic crystal structure region is formed by self-assembly of monodisperse microspheres, and the central wavelength of a photonic forbidden band of the region is located in a visible light range. According to the invention, a three-dimensional photonic crystal structure is constructed in the intermediate film, and structural color generation is generated by utilizing selective reflection of the photonic band gap effect on visible light with a specific wavelength. According to the laminated glass, the color is generated by interference of light instead of absorption of chemical pigments, so that the color can be continuously and regularly changed along with the change of an observation angle or an incident light angle, the dynamic and changing visual aesthetic feeling is given to the laminated glass, and the higher requirements of the fields of modern buildings, automobiles and the like on dynamic aesthetics and personalized appearance are met.
Owner:ANHUI YINIAN SEMICON CO LTD

Explosion-proof circuit breaker switchgear

This utility model relates to the technical field of circuit breakers and discloses an explosion-proof circuit breaker switching device, including a housing mounted on the circuit breaker. The housing encloses a chamber to accommodate the circuit breaker. A laterally movable component is provided in the chamber. The movable component is connected to a knob via a transmission structure. The knob is exposed on the housing. The movable component has a mounting slot for the circuit breaker's on / off switch to be inserted. When the knob is rotated, the transmission structure drives the movable component to move laterally, and the mounting slot moves laterally with the movable component, driving the circuit breaker's on / off switch to swing. Thus, the circuit breaker can be controlled to open and close simply by rotating the knob, simplifying the switching device design and making operation more convenient and safer.
Owner:CZ EXPLOSION PROOF ELECTRIC APPLIANCES

Body position holding frame

The utility model relates to the technical field of ultrasonic department, and disclose a body position holding frame, including bed body structure, the bed body structure includes the bed board with T type track, and T type track is equipped with two groups, adjusting structure is equipped with two groups, and adjusting structure includes the clamping seat, second locking screw, connecting column and third locking screw, and two groups clamping seat are clamped in the outer surface of two groups T type track respectively. The utility model discloses the setting of universal ball head makes that support pad can be adjusted according to the body position of patient when using with support pad, thereby making support pad can better adhere to the body curve of patient, and because the good elasticity of silica gel material, thereby can effectively improve the comfort of patient when using, the design can further improve the flexibility of equipment when using, thereby can effectively improve the practicability of equipment whole.
Owner:HAIKOU PEOPLES HOSPITAL

Replaceable blood transfusion pressurizing device

The utility model relates to the technical field of medical equipment. The replaceable blood transfusion pressurizing device comprises a box body, a box cover is hinged to the outer surface of one end of the upper end of the box body, hooks are connected to the outer surfaces of the two ends of a hinged shaft at the hinged joint of the box body and the box cover through bearings, and pressurizing structures are arranged in the box body and the box cover. A needle head is inserted into a rubber plug, so that an infusion tube is connected with a blood bag, the interior of a clamping block is attached to the outer surfaces of an output tube, the rubber plug and a fixed infusion block, and a clamping ring and a magnetic connecting column are clamped into a clamping groove; meanwhile, the rotating box cover is hinged to enable the clamping groove to clamp and fix the clamping block, so that the output tube, the rubber plug and the fixed infusion block are synchronously clamped and fixed in the clamping block, the situation that the infusion tube is separated from a blood bag due to external force such as mistaken touch in the blood transfusion process can be avoided, and the situation that the blood transfusion tube is polluted is avoided.
Owner:CHINESE PEOPLES LIBERATION ARMY KET FORCE CHARACTERISTIC MEDICAL CENT

A wear-resistant shield processing device and a wear-resistant shield processing process method

PendingCN122644445AIncrease productivityEnsure processing consistency/qualityControl systemMachining process
The application discloses a kind of anti-wear shield processing device and anti-wear shield processing process method, the feeding device is equipped in the feeding end of the press of the device, the discharging device is equipped in the discharging end, the anti-wear shield press forming die is installed in press, main control system is equipped in press, main control system controls and connects the pushing mechanism of feeding device and side edge material placing mechanism, for controlling the pushing rod in pushing mechanism, make forward pushing action and after pushing action is completed, retract pushing rod and control the material placing area in side edge material placing mechanism, make side edge movement action and after action is completed, retract material placing area.Compared with through bending machine, steel plate blank is processed anti-wear shield product through multiple way of cutting, arc sample plate is matched with sample.In the application, after artificial material placing operation is completed, subsequent can let device realize feeding, pushing, anti-wear shield press forming, automatic material collecting and other processes, significantly improve anti-wear shield production efficiency, guarantee anti-wear shield product processing consistency / quality simultaneously.
Owner:SHANGHAI BOILER WORKS CO LTD +1

Fullerene dumbbell photocatalyst for improving photocatalytic hydrogen production performance through electron delocalization

PendingCN121800807AHas electron delocalization propertiessimple designHydrogenOrganic chemistryPtru catalystElectron delocalization
The invention discloses a fullerene dumbbell photocatalyst for improving photocatalytic hydrogen production performance through electron delocalization. The fullerene dumbbell photocatalyst has an acceptor-donor-acceptor characteristic, is of a fullerene-thiophene fused ring dumbbell-shaped structure, comprises two symmetrically modified fullerene carbon cages, is bridged by a fused ring electron donor in the middle, and is similar to a dumbbell in shape. The fullerene dumbbell compound has the structural characteristic as shown in the formula I. The catalyst is simple in preparation process and high in design regularity. Importantly, the dumbbell molecular photocatalyst has a remarkable electron delocalization property, so that the photocatalytic hydrogen production performance is greatly improved. According to the invention, beneficial guidance is provided for design of an efficient photocatalyst and photocatalytic hydrogen production.
Owner:INST OF CHEM CHINESE ACAD OF SCI

Single cylinder double outlet plunger pump

PendingCN122589668AOptimize layoutreduce volume
The present application relates to the technical fields of plunger pump, and discloses a single-cylinder double-outlet plunger pump, which comprises a shell, a cylinder, a swash plate, a main shaft and an oil distribution plate arranged in the shell, the cylinder is installed on the main shaft and is driven to rotate by the main shaft, a plurality of plunger cavities are uniformly distributed on one end of the cylinder along the circumference, a plurality of crescent grooves arranged in an inner-outer double-layer mode are formed on the other end of the cylinder, the crescent grooves in the inner layer are communicated with a part of the plunger cavities, and the crescent grooves in the outer layer are communicated with another part of the plunger cavities.The single-cylinder double-outlet plunger pump adopts a double-pump single-cylinder structure, the overall volume is significantly reduced, the structure is extremely compact, and the single-cylinder double-outlet plunger pump is very suitable for occasions with limited installation space, and the double-path output can simultaneously drive two independent systems (such as steering and braking circuits), effectively simplifies the pipeline layout, reduces the installation area, and simplifies the system design.
Owner:AVIC LIYUAN HYDRAULIC

A gas turbine, a gas turbine blade and a lobe-shaped film cooling hole structure thereof

ActiveCN117027959BBeneficial and significant technical effectsRealize active controlThermodynamicsTurbine blade
The application discloses a gas turbine, a gas turbine blade and a leaf-shaped film cooling hole structure of the gas turbine blade. The existing traditional cylindrical film cooling hole is reshaped into a leaf-shaped structure including a left half circular arc, a right upper half elliptical arc, a right middle half elliptical arc and a right lower half elliptical arc, so that the cooling gas can be divided into three paths when being sprayed out of the hole, and is sprayed out along the passage secondary flow same direction, the film hole center line direction and the passage secondary flow opposite direction respectively, thereby the blowing-off effect of the passage secondary flow on the cooling film is inhibited, the wall-attaching ability and the along-flow development ability of the cooling film are enhanced, the covering uniformity of the cooling film on the base surface is improved, and the cooling efficiency and the service life of the blade are improved. The leaf-shaped film cooling hole structure has the characteristics of strong functionality and wide applicability, and can be widely applied to the cooling technical field of the gas turbine blade of an aero-engine or a ground gas turbine.
Owner:INST OF ENGINEERING THERMOPHYSICS - CHINESE ACAD OF SCI

Large-map game development system based on multi-level task interaction

PendingCN122076039Arich layersrich diversity
This invention relates to the field of game development technology, and more particularly to a large-map game development system based on multi-level task interaction. The system includes a large-map scene parsing module, a task hierarchy association module, a task-map association interaction module, and a large-map interaction development module. The game development engine uses the scene parsing module to perform topological deconstruction of the original large-map materials, generating a map topology dataset. Based on the map topology dataset, a multi-level task interaction framework is constructed and bound, generating a task-map association dataset. Based on the task-map association dataset, the interaction trigger conditions for each task node are configured, generating a task interaction rule set. The map topology dataset, task hierarchy association table, task-map association dataset, and task interaction rule set are integrated and compiled to form a large-map game interaction program. This invention clarifies the specific rules for game players to trigger and complete tasks in different map areas and different scene levels.
Owner:GUANGZHOU LENIU SOFTWARE TECHNOLOGY CO LTD

A test bench and test method for turning performance of an aircraft nose landing gear

ActiveCN118182859Bsimple designSimple torque loadingActuatorControl theory
A kind of airplane nose landing gear turning performance test bench and test method contain nose landing gear test piece, rigid support frame and jacking device, the body of nose landing gear test piece is fixed on rigid support frame, wheel is supported on jacking device, turning mechanism drives the top plate of jacking device top by fixed shaft along with wheel rotation, the fixed shaft is connected with a loading actuator, the telescopic end of loading actuator is hinged with one end of fixed shaft, the other end of loading actuator is hinged on support frame by connecting seat, the loading actuator is controlled by torque loading controller, when carrying out turning performance test, nose inner cylinder and wheel are compressed using jacking device, so that wheel is in turnable state;According to the turning angle of wheel, predetermined torque is applied to fixed shaft using torque loading actuator.
Owner:AVIC XAC COMMERCIAL AIRCRAFT CO LTD

Foldable and collapsible seat and vehicle with the same

This application belongs to the field of automotive seat technology, and particularly relates to a foldable seat and a car having the seat. The seat includes: a base; a height adjustment assembly including a rear cross tube, a side plate, a rear rocker arm, and a front rocker arm, the front and rear rocker arms being disposed at both ends of the side plate, the other ends of the front and rear rocker arms being hinged to the base, the side plate including an inclined slide rail; a seat cushion assembly including a sliding member, a side beam, and a crank, the sliding member being disposed on the side beam, one end of the crank being hinged to the side beam, the other end being hinged to the side plate, the sliding member being slidably connected to the slide rail; a backrest assembly including a backrest and a connecting plate, the connecting plate being fixed to the side plate, the backrest being rotatably disposed on the connecting plate; a first power member for driving the rear rocker arm to swing is disposed on the base, and a second power member for driving the sliding member to slide is disposed on the side plate. This application provides sufficient folding travel for the backrest and also allows for seat height adjustment, with a simple and compact overall structure, which is beneficial for seat design.
Owner:GUANGZHOU HUAZHI AUTO PARTS CO LTD

A method, apparatus, and medium for simulating biomagnetic field measurements

This invention discloses a method, device, and medium for simulating biomagnetic field measurement results. The method includes: determining a corresponding theoretical model based on the properties of the biomagnetic field to be simulated; simulating the biomagnetic field using the theoretical model to obtain a simulated biomagnetic field; acquiring the index parameters of a measuring instrument; and simulating the biomagnetic field based on the index parameters of the measuring instrument to obtain simulated measurement results. This invention solves the problem that traditional biomagnetic field simulations do not consider the influence of the performance and technical specifications of the measuring instrument itself on the biomagnetic field measurement results. It can more realistically and directly simulate the results of measuring biomagnetic fields using different measuring instruments, considering the influence of the technical specifications of the measuring instrument on the biomagnetic field measurement results from multiple dimensions.
Owner:PEKING UNIV

A node device anti-theft device for hard ground coupling

ActiveCN224354588Uachieve fixationachieve couplingSeismic signal receivers
The application provides a node device anti-theft device for hard ground coupling, which comprises a connecting main plate, a first side of the connecting main plate is used for being fixed to a hard ground, and a coupling interface is arranged on a second side of the connecting main plate, which is opposite to the first side; a node device is fixed on the connecting main plate through the coupling interface; wherein the first side of the connecting main plate is matched with the ground shape of the hard ground to realize the fixing and coupling between the node device and the hard ground. Through the device, the eSeis node device can be stably and effectively coupled with the hard ground in a complex environment, and the loss of the device can be effectively prevented.
Owner:CHINA NAT PETROLEUM CORP +1

A ship vibration isolation device vibration isolation calculation method based on vibration isolator type spectrum data

PendingCN122286950Aavoid resonanceImprove the vibration isolation effectElement modelIsolator
This application discloses a method for calculating the vibration isolation of ship vibration isolation devices based on isolator type spectrum data, relating to the field of ship vibration isolation design. The method includes: acquiring the type spectrum data and impedance test data of the target isolator; determining the stiffness and damping parameters of the target isolator based on the type spectrum data and impedance test data; constructing a finite element model of the ship vibration isolation device; inputting the stiffness and damping parameters of the target isolator into the finite element model for calculation, and obtaining the vibration isolation calculation results of the target isolator. This method can efficiently utilize isolator type spectrum data to conduct vibration isolation calculation and evaluation of ship vibration isolation devices during the ship design phase, avoiding resonance between the natural frequency of the vibration isolation device and the excitation frequency of the equipment, and improving the vibration isolation effect.
Owner:CHINA SHIP SCIENTIFIC RESEARCH CENTER

A detection reagent, kit and method for Vibrio cholerae O139 biotype double virulence gene by loop-mediated isothermal amplification

This invention relates to the field of biomedical detection technology, providing a reagent, kit, and detection method for detecting *Vibrio cholerae* serogroup O139 using loop-mediated isothermal amplification (LAMP). This invention targets the synergistic regulation of the tcpA and hlyA genes in *Vibrio cholerae* serogroup O139, designing LAMP detection primers and establishing a LAMP detection method based on isothermal amplification. These LAMP detection primers or loop primers show promising applications not only against *Vibrio cholerae* serogroup O139 but also against other nosocomial infection bacteria. The LAMP primers for detecting *Vibrio cholerae* serogroup O139 can be used to detect *Vibrio cholerae* serogroup O139 in clinical patients or for outpatient screening. The kit of this invention can effectively and specifically detect single-reaction, single-copy, or higher copies of *Vibrio cholerae* serogroup O139. Compared to the "gold standard" real-time quantitative PCR, the kit of this invention offers higher accuracy and sensitivity, completing the detection within 30 minutes.
Owner:ZHEJIANG UNIV

A method for testing tangential frost heaving force of pile foundation in cold region

ActiveCN121451637BImprove economic rationalityimprove representationMeasurement devicesFoundation testingFrost heavingTest timing
The application discloses a kind of tangential frost heaving force test methods of cold region pile foundation, belong to cold region pile foundation frost heaving prevention and control technical field, the test method of the application is in the top of test pile Design load is applied and is kept, and in the time point when freezing depth and frost heaving reach maximum, obtain annual maximum unit tangential frost heaving force, by the determination of dangerous section, obtain the maximum tangential frost heaving force that pile body bears, namely the most unfavorable load state that pile foundation faces in a year, can be directly used as the key design control value of pile foundation security guarantee, fundamentally avoid the problem of data randomness and insufficient representation caused by improper test timing, so that key design parameter originates from real annual most unfavorable working condition, provide more scientific and reliable basis for subsequent frost heaving prevention and control and stability checking.
Owner:NORTHWEST INST OF ECO ENVIRONMENT & RESOURCES CAS

Grating vibration isolation foundation micro-vibration control construction technology

PendingCN121992813AAchieve full-frequency vibration controlAchieve Vibration ControlArtificial islandsProtective foundationTemperature controlVibration control
The invention discloses a micro-vibration control construction process for a grating vibration isolation foundation, and relates to the technical field of building construction. Comprising the following steps: S1, measuring and positioning: measuring and releasing sideline control piles of each shock insulation pier and a sand-gravel cushion layer; s2, construction of a graded gravel cushion layer; s3, compaction coefficient detection; s4, paying-off is conducted on the bottoms of the shock insulation piers, wherein the sideline control point of each shock insulation pier is measured and paid off; s5, side formwork installation and steel bar binding, wherein the distance between the vibration isolation pier and the equipment walkway foundation is 10 cm, a foam polyethylene plate with the thickness of 10 cm is adopted as the side formwork, and the side formwork and the steel bars are installed, bound and formed together; s6, mass concrete pouring and temperature control, wherein layered pushing type continuous pouring is adopted, and the thickness of each layer does not exceed 50 cm; s7, concrete curing; and S8, buffer seam treatment. The compaction graded gravel cushion layer is arranged as a vibration isolation filtering layer, and the large-scale independent vibration isolation pier body is combined, so that double isolation of earthquake dynamic response and environmental vibration is effectively realized, and stable operation of a precise instrument is ensured.
Owner:CHINA RAILWAY 10 BUREAU GRP NO 7 ENG CO LTD +1

Deep-sea mining multiphase flow particle transport prediction and regulation method based on flow type identification

The application discloses a kind of based on flow pattern recognition's deep sea mining multiphase flow particle delivery prediction and regulation method, the method includes: by acquisition equipment periodic acquisition pressure in pipeline, flow, bubble or droplet volume fraction, solid particle volume fraction in different positions;According to pipe diameter and the gas-liquid ratio obtained by calculation, mixed flow velocity, call pre-built flow pattern division algorithm, distinguish bubble flow, slug flow, vortex, annular flow;Solve the gas-liquid discrete unit volume fraction of any diameter in different flow patterns;According to the gas-liquid discrete phase volume fraction, obtain the delivery speed of solid particles in multiphase flow;Whether the solid particle delivery speed obtained is judged to reach the best interval, according to the result control multiphase flow in pipeline flow pattern or gas-liquid ratio, to adjust the delivery speed of solid particles.The present application can improve the efficiency of seabed mineral exploitation, and avoid the dangerous flow pattern formed by unreasonable gas-liquid distribution ratio, efficiency and safety are taken into account.
Owner:TIANJIN UNIV

A composite motion drive mechanism for gluten winding device

ActiveCN224449353USimple designPrecise axial reciprocating displacement
This utility model relates to the field of food processing equipment manufacturing technology, and in particular to a composite motion drive mechanism for a gluten roll winding device, which consists of a torque output unit and a drag force output unit. The winding assembly performs circumferential rotation under the drive of the torque output unit; the unloading cylinder, driven by the drag force output unit, completes axial reciprocating movement, causing the formed gluten to detach. The drag force output unit uses a transmission shaft as its power source, and through the cooperation of a cam mechanism, a multi-component transmission mechanism, a rocking component, and an elastic reset component, converts the power into the reciprocating rocking motion of the rocking component, thereby driving the unloading cylinder to move synchronously. Thus, on the one hand, the composite motion drive mechanism has a relatively simple design structure, and thanks to the operating characteristics of the cam mechanism, the unloading cylinder can achieve non-rigid unloading force application; on the other hand, by adjusting the contour curve of the cam mechanism and the parameters of the multi-component transmission mechanism, and with the assistance of the elastic reset component, the gluten roll winding device can adapt to various unloading requirements.
Owner:SUZHOU BIYUAN ENVIRONMENTAL PROTECTION ENG

A design method for rigid pile composite foundation structure in a region with deep melting interlayer

PendingCN122113209Aunderstanding physicsUnderstand mechanicsGeometric CADDesign optimisation/simulationFreeze thawingGround temperature
The application discloses a kind of deep melting interlayer development area rigid pile composite foundation structure design method, it is related to rigid pile composite foundation field, including the following steps: step one, in the existing rigid pile bearing capacity calculation process, front-end increase subgrade-ground temperature field analysis;Step two, increase groundwater analysis;Step three, determine the compression modulus of the soil layer of seasonal freeze-thaw layer, (water-rich) melting interlayer, permafrost layer, bearing capacity characteristic value, check the single pile bearing capacity characteristic value of different positions in the cross section of roadbed using different pile length, pile diameter, pile body stiffness material;Step four, carry out zoned unequal design, adjust pile length, pile diameter, pile body stiffness, so that the range of all pile single pile bearing capacity characteristic values in cross section is lower than design allowable value.The application effectively optimizes pile foundation design, reduces material waste, reduces engineering cost, while ensuring the safety and stability of structure.
Owner:RES INST OF HIGHWAY MINIST OF TRANSPORT

Tool integrated cabinet for rail transit vehicle

A tool integrated cabinet for rail transit vehicles includes a shell, a pullable support frame, a damping universal roller and a folding seat storage cabin. The support frame is linearly guided through the sliding cooperation of a T-shaped guide rail and a clamping block. The stability of the support frame in a vehicle vibration environment is improved by the antiskid rubber material and damping design of the roller. The inside of the support frame adopts a modular partition structure. A fire extinguisher is fixed through the placement grooves of first and second support plates. The bottom plate cooperates with a guide groove to realize the quick taking and placing of an escape ladder. A groove is internally provided with a slide rail type folding seat storage cabin. The folding seat storage cabin is linked with a storage guide plate through a handle passage to realize the vertical partition management of emergency equipment and auxiliary tools. In addition, the conical self-locking structure and spring elastic pre-tightening mechanism of the plug rod and plug plate can effectively prevent the accidental sliding of the support frame. The combination innovation of the T-shaped guide rail, damping roller and folding cabin integration significantly enhances the safety and convenience of rail transit emergency equipment management.
Owner:NANNING UNIV

A switching power supply circuit and a charging device

The utility model provides a kind of switching power supply circuit and charging device, the utility model provides switching power supply circuit including at least one switch control path, the switch control path includes: voltage input unit and voltage regulating unit.Voltage input unit connects alternating voltage input source, receives alternating voltage, and based on the alternating voltage output direct current output voltage;Voltage regulating unit is parallel with the voltage input unit, and output end connects load, for the output voltage is voltage-regulated and handled, and the output voltage after voltage-regulated handling is used to charge load.The switching power supply circuit of the utility model can improve the charging performance of charging device, for example, charging pile, and circuit design structure is simple, easy to realize, and cost is lower.
Owner:SHENZHEN MEGMEET ELECTRICAL CO LTD

Wafer automatic cleaning device and wafer cutting machine

The application provides a wafer automatic cleaning device and a wafer cutting machine. The wafer automatic cleaning device is used for cleaning a wafer and comprises a cleaning nozzle, a sensor, a deionization pump and a connecting pipe. The cleaning nozzle is arranged directly below a moving path of the wafer, and a side of the cleaning nozzle opposite to the moving path of the wafer is provided with a plurality of air blowing holes. The sensor is arranged on one side of the cleaning nozzle to detect position information of the wafer. The deionization pump is provided with a controller, and the controller is in communication connection with the sensor to control the deionization pump according to a state of the sensor. One end of the connecting pipe is communicated with the deionization pump, and the other end of the connecting pipe is communicated with the cleaning nozzle. The wafer automatic cleaning device realizes automatic cleaning of the wafer, does not cause damage to the wafer itself, reduces manual cleaning of a back surface of the wafer, avoids breakage and electrostatic breakdown problems caused by manual cleaning, avoids introduction of new particulate impurities in wafer transportation between front and rear process stations, and ensures cleanliness of the wafer during wafer operation.
Owner:SILICONWARE TECH SUZHOU

Methanol to olefins olefin separation condensate recovery and reuse splitter

ActiveCN224649152UReplacement saves time and effortImprove practicality
The utility model relates to the technical field of chemical separation engineering, and disclose methanol to olefins olefin separation condensate recycling and recycling shunt, including shunt main pipe, one end of shunt main pipe is provided with filter structure, and the other end fixedly connected with shunt branch of shunt main pipe, the both ends of filter structure and shunt branch are all provided with anti -drop quick -mounting structure, one end of three groups anti -drop quick -mounting structure is provided with inlet pipe, waste water pipe and recovery pipe respectively, the inside of shunt branch both ends and the inside of inlet pipe all are installed with ball valve. The utility model discloses through rotating the ball valve of inlet pipe inside, can carry out the cut -off of condensate in the inside of inlet pipe, at this moment can pull out the positioning rod outward, makes the one end of positioning rod to separate from the inside of positioning hole, at this moment can move filter board in the inside of mounting groove upward, then can use the filter board that has not been used to insert in the inside of mounting groove and use.
Owner:李振兴

Deep learning optical imaging system design method based on complex function neural network

The application provides a kind of deep learning optical imaging system design method based on complex function neural network, comprising the following steps: step one, object distance, system focal length, F number as input, according to the ideal optical system imaging relationship, determine image distance, imaging scale ratio;Step two, according to the imaging scale ratio and the object image of ideal optical system, the image of ideal optical system is calculated;Step three, construct complex function generator network model, step four, construct discriminator network model, step five, after the establishment, training of the above-mentioned complex function neural network deep learning model, step six, use phase.The deep learning optical imaging system design method based on complex function neural network provided by the application solves the correlation between the advantages and disadvantages of the design result and the experience value of the designer, without the designer providing initial structure parameters;Greatly improve the computing ability and optimization speed.
Owner:HANGZHOU INST FOR ADVANCED STUDY UCAS