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165results about How to "Improve manufacturability" patented technology

Electrically-controlled brake voltage buildup module

An electrically-controlled brake voltage buildup module belongs to the technical field of automobile brake systems and comprises a motor assembly, a piston and a transmission component connected between the motor assembly and the piston, the motor assembly comprises a hollow rotor shaft, the piston and the transmission component are mounted in the hollow rotor shaft, and the piston and the transmission component are mounted in the hollow rotor shaft. The transmission assembly is connected with the hollow rotor shaft through a self-aligning structure, or the transmission assembly is connected with the hollow rotor shaft through the self-aligning structure and a bearing seat, and the transmission mechanism has the beneficial effects that the structure is simple and compact, the concentricity of the transmission mechanism can be improved, the occurrence rate of an eccentric wear phenomenon is reduced, and the service life of the transmission mechanism is prolonged. Product life can be effectively prolonged and noise can be effectively reduced.
Owner:WUHU BETHEL AUTOMOTIVE SAFETY SYST CO LTD

High-strength boundary beam for battery pack frame

The utility model relates to a high-strength boundary beam for a battery pack frame, which comprises a first section body, a second section body and a third section body, the second section body and the third section body are respectively arranged on two sides of the first section body, and both the second section body and the third section body are arranged perpendicular to the first section body. The second section body is bent towards the direction close to the third section body to form a fourth section body parallel to the first section body, the third section body is bent towards the direction close to the second section body to form a fifth section body parallel to the first section body, and the length of the section of the fourth section body is larger than that of the section of the fifth section body; a first reinforcing rib parallel to the second section body is bent on the fourth section body in the direction close to the first section body, a second reinforcing rib parallel to the first section body is bent on the first reinforcing rib in the direction close to the second section body, and a third reinforcing rib parallel to the second section body is bent on the second reinforcing rib in the direction close to the fourth section body. According to the technical scheme, the structural strength and rigidity of the battery pack frame edge beam are improved.
Owner:GUANGXI JINJUSHI NEW ENERGY TECH CO LTD

High-flame-retardant cryogenic insulating material as well as preparation method and application thereof

According to the high-flame-retardant cryogenic insulating material and the preparation method and application thereof, low-hydroxyl-value flame-retardant polyester polyol and a flame retardant are adopted, the dosage of a chemical foaming agent is reduced, a physical foaming agent reduces the foam density and takes away heat, the flame retardance of a polyurethane material is improved, meanwhile, the reaction rate is reduced, the core burning risk is reduced, the oxygen index is larger than 30%, and the heat conductivity is smaller than 0.022 W / mK at 25 DEG C; the flame retardant grade is high; the polyester polyol has activity, so that the requirement on the activity of the catalyst and the dosage of the catalyst are reduced, and the odor grade is lower than 2.5; the low-hydroxyl-value flame-retardant polyester polyol is combined with high-functionality polyether polyol A and B for use, so that the foam size stability is improved, the foam shrinkage risk is reduced, the density of the product is 40-45 kg / m < 3 >, the compression strength is larger than 250 kPa, the tensile strength is larger than 350 kPa, the water absorption rate is smaller than 0.5%, and the size stability is smaller than 1% at-196 DEG C; the catalyst and the retarder balance milky white and gelation time, gentle the foaming rate, prevent core burning and match continuous production at the same time, the process performance is stable, the product performance is excellent, the productivity and efficiency are improved, and the cost is greatly reduced.
Owner:JIANGSU CHANGNENG ENERGY SAVING NEW MATERIALS SCI & TECH

Battery monomer, battery and electric device

The invention provides a battery monomer, a battery and a power utilization device, and belongs to the technical field of batteries. The single battery comprises a shell assembly and a sealing structure, the shell assembly defines a containing cavity and is provided with an overflowing channel communicated with the containing cavity, and the sealing structure is matched with the shell assembly and is configured to be used for opening or sealing the overflowing channel. According to the single battery, by arranging the sealing structure capable of opening and closing the flow passage, when the single battery is normally used, the flow passage is closed and sealed through the sealing structure so as to meet the sealing use requirement of the single battery, and when the single battery is manufactured or maintained, the flow passage is opened through the sealing structure so as to meet the sealing use requirement of the single battery. The electrolyte is injected or supplemented through the flow passage, and high voltage and the like in the battery monomer are released regularly, so that the manufacturing requirement of the battery monomer is met, the service life of the battery monomer is prolonged, and the use reliability of the battery monomer is improved.
Owner:CONTEMPORARY AMPEREX TECHNOLOGY CO LTD

High-strength mounting beam for battery pack frame

The utility model relates to a high-strength mounting beam for a battery pack frame, which comprises a first section body and a second section body which are vertically arranged, the first section body is bent towards the direction close to the second section body to form a third section body, and the third section body and the second section body are positioned on the same side of the first section body. A reinforcing rib I parallel to the second section body is bent on the third section body towards the direction close to the first section body; the end, away from the first section body, of the second section body is perpendicularly bent to form a fourth section body, the fourth section body and the first section body are located on the same side of the second section body, and the fourth section body is bent in the direction close to the first section body to form a fifth section body parallel to the second section body. And a reinforcing rib II parallel to the first section body is bent on the fifth section body towards the direction close to the second section body. The mounting beam has the effect of improving the structural strength and rigidity of the mounting beam.
Owner:GUANGXI JINJUSHI NEW ENERGY TECH CO LTD

Direct-cooling connected liquid cooling system

The utility model discloses a liquid cooling system with direct cooling connection, comprising a liquid cooling plate assembly, the liquid cooling plate assembly comprises more than two groups of liquid cooling plate branches, and each liquid cooling plate branch is provided with a fast plug socket; the direct cooling type liquid cooling pipeline comprises an L-shaped quick-plug connector, at least one T-shaped quick-plug connector and a hydraulic connector which are sequentially connected through communicating pipes; the quick-plug socket of each liquid cooling plate branch is connected with the corresponding T-shaped quick-plug connector in an inserted mode or connected with the corresponding T-shaped quick-plug connector in an inserted mode so that the liquid cooling plate branches can be communicated with the direct-cooling type liquid cooling pipeline. According to the utility model, rapid and convenient connection between the liquid cooling plate branch and the direct cooling type liquid cooling pipeline is realized by adopting connection between the connecting plugs and the rapid plug sockets, and the connection mode not only simplifies the assembly process, but also can effectively absorb tolerance.
Owner:EVE ENERGY CO LTD

Multi-scale optimization intelligent design method for special-shaped structure

The invention relates to a multi-scale optimization intelligent design method for a special-shaped structure, and belongs to the field of spacecraft structure mechanism additive manufacturing. Comprising the following steps: constructing a special-shaped lattice structure by adopting a level set function, and performing interpolation and correction; setting relative density sample points and performing polynomial interpolation to establish a geometric agent model; obtaining a constitutive matrix through numerical value homogenization and establishing a constitutive agent model; based on a constitutive agent model and an isogeometric topological optimization method, performing iterative solution by taking minimization of the flexibility of the special-shaped sandwich structure as a target to obtain optimal density distribution; and the optimal density distribution is substituted into a geometric agent model to output an interpolation coefficient, and an implicit model of the special-shaped sandwich structure is generated through gradient lattice filling. According to the method, the implicit model of the special-shaped sandwich structure filled with the conformal continuous gradient special-shaped lattice structure is constructed, and the special-shaped sandwich structure is generated through additive manufacturing based on the implicit model, so that the problem that a multi-scale optimization design method for the gradient lattice filled special-shaped sandwich structure is lacked at present is solved.
Owner:BEIJING INST OF TECH

Manufacturing method of thin-gauge low-yield-ratio Q500qE bridge steel

The invention discloses a manufacturing method of thin-gauge low-yield-ratio Q500qE bridge steel, and belongs to the field of steel manufacturing. The method comprises the steps of component design, casting, heating, rolling, cooling and the like, and finally the required finished steel plate is obtained. The low-temperature impact resistance of the steel plate can be ensured while high strength and low yield ratio of the steel plate are effectively ensured under the condition of low alloy addition. Besides, controlled rolling, cooling and heat treatment processes are combined, the steel plate in the TMCP + T state is obtained, a microstructure with refined ferrite and bainite as main components is obtained in the whole plate thickness, the steel plate has the mechanical property characteristics of high strength, low yield ratio and high toughness, and the low-temperature impact toughness is that the fracture fiber section rate can reach 85% or above at the temperature of-40 DEG C. According to the steel plate, the target performance requirement can be met, the plate shape of the steel plate can be guaranteed, the steel plate has good comprehensive mechanical performance, in addition, the manufacturing cost is low, the carbon content is low, the weldability is greatly improved, and the steel plate has high manufacturability.
Owner:BAOSTEEL ZHANJIANG IRON & STEEL CO LTD

Positive electrode slurry containing metal wire, negative electrode slurry, positive electrode plate without current collector, positive electrode plate and battery

The invention provides a metal wire-containing positive electrode slurry, a metal wire-containing negative electrode slurry, a current collector-free positive electrode plate, a current collector-free positive electrode plate and a battery. The toughness of the active material layer is improved by adding trace metal wires into the positive / negative electrode slurry, and the problem of insufficient electronic conductivity caused by the absence of a current collector is improved; the positive electrode / negative electrode slurry containing the metal wire is coated on the diaphragm, so that the manufacturability of the active material layer is further improved, and the current collector-free battery can be industrially produced and manufactured; the content of the added metal wires is 0.02-2% of the total solid content, and the energy density of the whole battery is higher than that of a traditional battery; due to the addition of the metal wire, the resistivity of the diaphragm of the positive pole piece is reduced from 5-100 omega.cm to 0.01-3 omega.cm, the potential difference of the pole piece in the thickness direction is smaller in the charging and discharging process of the battery, the thickness of an active material layer can be increased under the same performance, and the energy density of the battery can be further improved.
Owner:SHENZHEN SHENGNA NEW ENERGY TECHNOLOGY CO LTD

Holographic photoetching mask design method based on alternate projection algorithm

The invention provides a holographic photoetching mask design method based on an alternating projection algorithm, and the holographic photoetching resolution is improved. According to the method, a pixel representation mask is adopted, and finite series discretization is carried out on an amplitude matrix and a phase matrix corresponding to the mask in combination with mask manufacturing constraint conditions. In order to avoid stagnation in the optimization process, a step-by-step discretization strategy is adopted. And evaluating the imaging quality of the designed mask through a relative pattern error between the photoresist contour and the target pattern. According to the method, the alternative projection iterative algorithm and the advanced mask alignment photoetching technology are combined, different initial conditions are adopted according to mask types, and holographic photoetching mask design of any mask pattern can be effectively achieved.
Owner:SHANGHAI INST OF OPTICS & FINE MECHANICS CHINESE ACAD OF SCI

Electrolytic capacitor, circuit board, remote controller, air conditioning system and circuit board preparation process

The invention provides an electrolytic capacitor, a circuit board, a remote controller, an air conditioning system and a circuit board preparation technology, the electrolytic capacitor is used for being installed on the circuit board, and the circuit board is provided with an installation groove; the electrolytic capacitor comprises an extension pin, and the extension pin is mounted in the mounting groove; wherein the electrolytic capacitor is used for being identified and sucked by the chip mounter and is inversely erected on the circuit board. The electrolytic capacitor is inversely erected on the circuit board through the extension pins, the body height of the electrolytic capacitor on the front face of the circuit board is reduced, the electrolytic capacitor can be suitable for more application scenes, and the electrolytic capacitor can be identified and sucked by a chip mounter and is erected on the circuit board in a chip mounting mode, so that the chip mounting efficiency is improved. Compared with the prior art, full automation and manufacturability are improved, labor and maintenance cost is reduced, wave soldering procedures caused by plug-in electrolytic capacitors are reduced, resources can be saved, preparation procedures and process complexity are reduced, quality problems caused by welding are avoided, and the quality of the circuit board is improved.
Owner:FOSHAN SHUNDE MIDEA ELECTRONICS TECH CO LTD +1

A C-band all-solid-state broadband high-power amplifier

The present invention discloses a C-band all-solid-state broadband high-power amplifier, which belongs to the field of communication technology. It includes a splitter, a power amplifier, and a combiner; the splitter and the combiner are realized by radial power synthesis; the power amplifier and the combiner are installed on the same bottom radiator; the signal after power division by the splitter enters the power amplifier through a radio frequency cable and is amplified, and then output to the broadband combiner through a coaxial interface; the combiner performs power synthesis and then outputs. The present invention realizes a broadband high-power amplifier by adopting a combiner with an easy-to-assemble coaxial interface and a modular power amplifier module, thereby improving the maintainability of the equipment and enhancing the stability of the system.
Owner:THE 54TH RESEARCH INSTITUTE OF CHINA ELECTRONICS TECHNOLOGY GROUP CORPORATION

590MPa-grade low-cost high-yield-ratio high-drawing cold-rolled high-strength steel and production method thereof

The invention discloses 590MPa-grade low-cost high-yield-ratio high-drawing cold-rolled high-strength steel and a production method thereof. The high-strength steel comprises the following chemical components in percentage by weight: 0.070 to 0.13 percent of C, 0.61 to 1.31 percent of Si, 1.31 to 2.01 percent of Mn, less than or equal to 0.015 percent of P, less than or equal to 0.005 percent of S, 0.005 to 0.300 percent of Al, less than or equal to 0.004 percent of N, 0.0002 to 0.0008 percent of B and the balance of Fe and inevitable impurities. The production method comprises the following steps of steel making, refining, continuous casting blank forming, plate blank cooling, plate blank heating, hot rolling, pickling cold rolling, continuous annealing galvanizing and finishing. According to the high-strength steel obtained through the method, the yield strength is larger than or equal to 360 MPa, the tensile strength is larger than or equal to 590 MPa, the elongation A50 is larger than or equal to 32%, the uniform elongation is larger than or equal to 20%, the yield ratio is larger than or equal to 0.65, the hole expansion rate is larger than or equal to 50%, the high-strength steel is suitable for manufacturing parts with the high yield ratio and the high drawing percentage, and a product has good corrosion resistance, surface quality and plate shape, low in cost and good in manufacturability; the product can be widely used in the industries of automobiles, buildings, machinery and the like.
Owner:武汉钢铁有限公司

Fluid connector and inverter assembly

A fluid connector for a housing includes a tubular body, a plurality of helical fins, and an annular flange. The fluid connector includes a plurality of locking elements that are at least partially received in corresponding openings of the housing. Further, in a first angular orientation of the fluid connector relative to the housing, the tubular body is configured to be at least partially inserted within the housing, and the fluid connector is rotatable relative to the housing. Further, during rotation of the fluid connector from the first angular orientation to the second angular orientation, the helical fin movably engages the housing such that rotation of the fluid connector results in corresponding translation of the fluid connector into the housing.
Owner:PUNCH POWERTRAIN NV

Electromagnetic shielding structure

The utility model discloses an electromagnetic shielding structure, which is arranged on the periphery of an electromagnetic interference source on a PCBA (Printed Circuit Board Assembly) and comprises a radiator and a shielding frame, the radiator is arranged on one side of the PCBA provided with the electromagnetic interference source, the shielding frame is arranged between the radiator and the PCBA, the shielding frame is arranged on the periphery of the electromagnetic interference source, and the radiator is provided with an embedded groove corresponding to the shielding frame. The end, facing the radiator, of the shielding frame is provided with a plurality of contact elastic pieces, the free ends of the contact elastic pieces are bent in the direction away from the radiator, the end, facing the radiator, of the shielding frame is embedded into the embedding groove and connected with the radiator through the contact elastic pieces, and the end, facing the PCBA, of the shielding frame is fixedly connected with the PCBA. The electromagnetic shielding structure is adopted to surround an electromagnetic interference source and is also placed in an area needing heat dissipation, electromagnetic noise emission generated by DC / DC can be well restrained, the electromagnetic compatibility requirement of a vehicle factory is met after shielding application, and good heat dissipation performance is achieved; the electromagnetic shielding heat dissipation device has electromagnetic shielding and heat dissipation effects and has the advantages of simple structure, low cost, high stability and the like.
Owner:KEBODA INTELLIGENT TECHNOLOGY (ANHUI) CO LTD

Dual-color wide-spectrum detector, dual-color wide-spectrum detector array and manufacturing method

ActiveCN113903826BShortwave Infrared Detection RealizationBroad Response SpectrumFinal product manufactureSemiconductor devicesQuantum wellDetector array
The embodiments of the present application provide a dual-color wide-band short-wave infrared detector and a manufacturing method thereof, a dual-color wide-band short-wave infrared detector array and a manufacturing method thereof. The dual-color wide-band short-wave infrared detector uses an lnP substrate, an lnP lower contact layer, a first absorption layer, an N-type common contact layer, and a first P electrode and an N electrode to form an n‑i‑p type InGaAs detector, and uses a P-type doping region, a diffusion control layer, a second absorption layer, a buffer layer, an N-type common contact layer, and a second P electrode and an N electrode to form a p‑i‑n type multi-quantum well structure detector. The two detectors are combined to achieve short-wave infrared detection in a wavelength range of 0.9μm to 2.6μm, and each component structure in the dual-color wide-band short-wave infrared detector is designed with an InP-based III‑V group lattice matching material system, so that the dual-color wide-band short-wave infrared detector has a wider response spectrum, higher sensitivity, and better manufacturability.
Owner:INFIRAY TECHNOLOGY CO LTD

Parallel polynomial gradient computation system and method based on cmos synapse transistor

ActiveCN121981183BImplement high-precision polynomial gradient calculationsimprove manufacturabilitySynapseManufacturing technology
The application discloses a parallel polynomial gradient calculation system and method based on a CMOS nerve synapse transistor, and relates to the technical field of calculation systems.The parallel polynomial gradient calculation system based on the CMOS nerve synapse transistor adopts a basic calculation unit containing at least one CMOS transistor, and configures the CMOS transistor to exhibit the dual-mode characteristics of neuron behavior and synapse behavior in a floating substrate operation mode, and meanwhile, combines a parallel array architecture, so that the application realizes a neuromorphic calculation hardware based on a standard CMOS process, utilizes mature CMOS manufacturing technology, avoids special materials and post-integration processes required by emerging devices such as memristors, thereby improving the manufacturability and yield of the system, and reducing production costs.Meanwhile, the inherent device consistency and long-term stability of the CMOS transistor effectively overcome the problems of large differences between devices and state drift in the memristor scheme, and realize high-precision polynomial gradient calculation.
Owner:SHENZHEN HOTCHIP TECH

Isolation and interconnection based copolymer organic semiconductor devices and methods of fabrication

The application discloses a kind of copolymer organic semiconductor devices based on isolation and interconnection and preparation method, including substrate, photoetching blocking layer, insulating isolation layer, N organic field effect transistor and N-1 interconnection line;Photoetching blocking layer includes isolation layer and inorganic dielectric layer;Isolation layer is opened with N longitudinal through isolation groove along length direction;Inorganic dielectric layer includes lower dielectric layer and upper dielectric layer;Lower dielectric layer is located in N isolation, and upper dielectric layer is laid on the top of isolation layer and lower dielectric layer;Each organic field effect transistor includes semiconductor layer, source, drain and gate;Semiconductor layer is laid in the isolation groove at the bottom of corresponding lower dielectric layer section, and its material is organic copolymer.The application effectively utilizes isolation groove and photoetching blocking layer, and the semiconductor layer of different semiconductor materials is wrapped and isolated, so as to realize the integration of different organic field effect transistors on the same substrate, and the organic field effect transistor can realize effective interconnection.
Owner:NANJING UNIV OF POSTS & TELECOMM +1

Reversible dynamic aperture solid nanopore array based on temperature-sensitive phase change layer and preparation method and application thereof

PendingCN121945197Acause permanent damageSolve the problem of irreversibilityMaterial nanotechnologyHeating or cooling apparatusBiological macromoleculeNanostructure
The invention discloses a reversible dynamic aperture solid nanopore array based on a temperature-sensitive phase change layer and a preparation method and application of the reversible dynamic aperture solid nanopore array, and belongs to the technical field of single molecule detection and nanostructure regulation, the array introduces the temperature-sensitive phase change layer into the inner wall of a solid nanopore, and when the local temperature crosses the phase transition point of the temperature-sensitive phase change layer, reversible volume change is generated; therefore, the effective aperture of the nanopore is continuously adjustable in a sub-nanometer scale range. An independent micro heating unit and an independent temperature sensing unit are integrated below each nanopore in the array, and single-pore-level accurate temperature control adjustment is achieved in a row-column addressing mode. In combination with ionic current monitoring and an external control module, the aperture can be set in real time according to the size requirements of different target molecules, and dynamic aperture regulation and control with a programmable structure, quick response and good repeatability are realized. The array structure provided by the invention is suitable for single molecule level detection of objects such as multiple types of small molecule pollutants, tumor-related biomarkers, biomacromolecules and the like, and has the advantages of high sensitivity, high flux and wide applicability.
Owner:GUANGDONG UNIV OF TECH

Überwachung einer atemdrucktherapie

A respiratory therapy system configured to provide respiratory therapy to a patient breathing in successive breathing cycles including an inspiration phase and an expiration phase, the system comprising: a pressure generator configured to supply a flow of pressurised air, the pressure generator configured to couple with a patient interface via an air circuit to deliver the pressurised air from the pressure generator to the patient; at least one sensor configured to provide one or more signals indicative of a pressure and a flow rate of the pressurised air flow; and a controller including a processor configured to: repeatedly detect values of instantaneous pressure and values of instantaneous flow rate from the one or more signals from the at least one sensor; repeatedly calculate instantaneous conductance values based on the values of instantaneous pressure and values of instantaneous flow rate; and monitor changes in the instantaneous conductance values over time to detect an occurrence of a respiratory event within the system.
Owner:RESMED PTY LTD

Sandwich-toughened ceramic-based fuel element and additive manufacturing method thereof

This invention provides a sandwich-toughened ceramic-based fuel element and its additive manufacturing method, belonging to the field of nuclear reactor fuel technology. The element includes an outer shell and an inner shell, with an annular gap between them forming a sandwich space containing a silicon carbide whisker toughening structure. The method includes: additively manufacturing a double-layer shell, the geometry of which can be flexibly designed; preparing the sandwich toughening structure, which can be formed by injecting SiC whisker slurry into the sandwich space and solidifying it, or by generating self-grown whiskers in situ within the sandwich space through heat treatment of a Si and C raw material system; subsequently performing chemical vapor infiltration pretreatment; completing fuel loading and opening end sealing; and further performing enhanced CVI densification treatment. This invention introduces a sandwich toughening structure without significantly increasing the structural complexity of the element, effectively improving the fracture toughness, crack resistance, structural stability, and service stability of SiC-based fuel elements.
Owner:NORTHWESTERN POLYTECHNICAL UNIV

A system and method for optimizing a rocker rail profile

The application discloses a kind of threshold beam profile structure optimization system and method, the system includes initial modeling module, key variable screening module and stage optimization module.Initial modeling module is used to fill the stiffener model in the cavity of the base profile section, generates initial section and finite element model.Key variable screening module passes through calculating the sensitivity of section shape variable to vehicle body bending modal frequency and side column collision intrusion, and screens out key design variable.Stage optimization module is based on key design variable, and section optimization, length optimization and stiffener optimization are sequentially executed, and the optimized stiffener layout is obtained.The application solves the problem that traditional method is difficult to cooperatively optimize section shape, length and stiffener parameters to balance lightweight and multiple performance requirements, can significantly reduce the weight of threshold beam, and shorten the optimization cycle.
Owner:DONGFENG MOTOR GRP

Car keyless entry and start system

The present invention discloses a keyless entry and start system for a vehicle, comprising an upper cover and a lower cover; when the upper cover and the lower cover are combined, a storage space is formed inside the two; a light guide plate, PCBI, PCBⅡ, a battery, a coil, and a magnetic isolation plate are arranged from top to bottom in the storage space. The keyless entry and start system for a vehicle adopts a structure combining touch and physical buttons, and the connection strength between the components is reliable and compact, and the appearance has the characteristics of strong manufacturability and beautiful appearance. At the same time, the thickness of PEPS can be greatly reduced and the lighting effect can be set, so that it has the advantage of a strong sense of technology.
Owner:JNS AUTO PARTS CO LTD

Six-phase reactor for energy storage converter

This invention discloses a six-phase reactor for an energy storage converter, belonging to the field of reactor technology. It includes a first reactor assembly and a second reactor assembly. The first reactor assembly includes a first base, which is composed of a U-shaped support plate and an L-shaped support plate, allowing for independent and stable placement. The second reactor assembly includes a second base, mainly composed of an L-shaped support plate, which is temporarily stabilized during manufacturing using a detachable support fixture. After each reactor assembly independently completes overall impregnation and drying, the support fixture is removed. Then, the surfaces of the terminals and connectors to be connected in parallel are polished and the paint is removed. The two bases are then fixed using base connectors, and the corresponding phase terminals are electrically connected in parallel using a phase-parallel connector to form a six-phase output. This invention, through differentiated base design and fixture assistance, allows the two reactors to be impregnated separately before being connected in parallel, balancing impregnation process quality and electrical connection reliability, and also helps to reduce the overall size of the unit.
Owner:HEFEI ECRIEE TAMURA ELECTRIC

A field-extended solar sensor based on diffraction order sub-multiplexing

ActiveCN121677687Bensure uniquenessensure accuracy and
This invention discloses a field-of-view extended solar sensor based on diffraction order multiplexing, comprising a dual-band bandpass filter, a diffractive light introducer, and a color CMOS image sensor. The dual-band bandpass filter selects two separate, preset wavelengths of sunlight for incidence, while the diffractive light introducer diffracts the transmitted sunlight into multi-order beams. The color CMOS image sensor acquires diffraction spot images containing spectral information from both wavelengths. The current effective diffraction order is determined by the mapping relationship between the centroid positions and spot spacing of the spots in the two corresponding wavelength channels and the diffraction order. Finally, the solar vector is calculated using a diffraction optics model. This invention resolves the inherent contradiction between large field of view and high precision in traditional digital solar sensors, effectively overcoming the order ambiguity problem in diffraction-extended field of view. Its lightweight design adapts to high-density integration requirements, providing technical support for spacecraft attitude measurement.
Owner:SOUTHEAST UNIV

Alternating-current permanent magnet synchronous servo motor with staggered-pole rotor structure and use method

The invention relates to the technical field of motors, in particular to an alternating-current permanent magnet synchronous servo motor with a staggered-pole rotor structure and a using method thereof.The alternating-current permanent magnet synchronous servo motor comprises a motor shell, a stator assembly is fixedly connected into the motor shell, a shaft body is arranged in the motor shell, and the two ends of the shaft body are connected with the motor shell through bearings; a plurality of iron core pieces are fixedly connected to the outer surface of the shaft body, splicing assemblies used for staggered arrangement are arranged in the iron core pieces, a fixing ring rotationally connected with the shaft body is fixedly connected to the interior of the motor shell, a plurality of fan blades used for heat dissipation are arranged on the fixing ring in a divergent mode along the center of the fixing ring, and swing rings are rotationally connected to the two sides of the fixing ring correspondingly; a plurality of acceleration rollers used for abutting against the shaft body are arranged on the inner wall of the swing ring, and a driving assembly used for driving the acceleration rollers to rotate is arranged on the inner wall of the swing ring. Through the design of the swing ring and the acceleration roller in the swing ring, extra driving force can be provided when the shaft body is started, and starting resistance is effectively restrained.
Owner:HANGZHOU NAZHI MOTOR CO LTD

Bionic wear-resistant hub structure and centrifugal pump impeller

This invention discloses a biomimetic wear-resistant hub structure and a centrifugal pump impeller, relating to the field of fluid machinery anti-silt erosion technology. The biomimetic wear-resistant hub structure is based on a fractal Z-shaped structure designed biomimeticly to mimic the multi-layered structure of scales on the surface of a desert lizard, and is arranged on the hub body in the easily worn areas adjacent to the suction inlet of each blade. Each fractal Z-shaped structure utilizes rigid support components such as a primary contact crown surface and a primary contact saddle to provide primary support, and utilizes a primary energy dissipation truss composed of multiple secondary Z-shaped structural units to achieve stepwise energy dissipation. Through this rigid-flexible coupled multi-scale fractal structure, multi-scale vortices can be induced in the flow field, altering the trajectory of sediment particles, reducing impact kinetic energy, and optimizing the impact mode, thus synergistically improving the hub's wear resistance from a solid-liquid two-phase mechanical perspective. This invention has a clear structure, strong manufacturability, and can significantly reduce the wear rate of the hub under sandy water flow conditions, extending the service life of the equipment.
Owner:CHANGJIANG RIVER SCI RES INST CHANGJIANG WATER RESOURCES COMMISSION

Automobile connector with compatibility protection

PendingCN119275627AImprove sealingsimple pathCouplings bases/cases
The invention belongs to the technical field of automobile parts, and relates to an automobile connector with compatibility protection. The gap between the connector sealing rib (1f) and the upper shell groove (4d) is filled with the upper sealant (4e), or the upper shell groove (4d) is not coated with the upper sealant (4e); the connector sealing surface (1h) is coated with a lower sealant (5c), the lower bottom plate sealing surface (5b) is coated with a lower sealant (5c), and after the ECU lower bottom plate (5) is assembled, the lower sealant (5c) fills a gap between the connector sealing surface (1h) and the lower bottom plate sealing surface (5b), or the lower sealant (5c) is not coated between the lower bottom plate sealing surface (5b) and the connector shell (1). According to the automobile connector with the compatibility protection function, protection requirements of different levels are met according to actual application, and the problems that waste is caused when a high-protection-level connector is applied to a low-requirement automobile model and the low-protection-level connector cannot be applied to the high-requirement automobile model are solved; and the method can be applied to different automobile ECUs and other products according to different requirements.
Owner:ANHUI ZHUODUN SECURITY TECHNOLOGY CO LTD

Shaping assembly for shaping machine

The utility model discloses a shaping assembly for a shaping machine, which comprises a shaping piece A and a shaping piece B. The shaping piece A comprises a base and a supporting part, the supporting part is arranged on the base, and the shaping piece B is provided with a groove A. Through the arrangement of the inclined part and the plane part, the plane part is prevented from being pressed on the lead of the to-be-shaped piece in the shaping process, the electroplated layer of the lead is not damaged when the to-be-shaped piece is subjected to primary shaping, the to-be-shaped piece is well shaped, and the shaping production process requirement is met. According to the summary of long-term use conditions of more than one year, the conductive polymer chip capacitor is stable in process performance, suitable for E-shell and H-shell conductive polymer chip capacitors, and capable of meeting the requirements of product shaping production process at the same time.
Owner:CHINA ZHENHUA GRP XINYUN ELECTRONICS COMP ANDDEV CO LTD

Delay search method and system of delay phase-locked loop, computer and medium

The invention discloses a delay search method and system for a delay phase-locked loop, a computer and a medium, and the method comprises the following steps: enabling a signal to activate a finite-state machine, and jumping to a search state; based on the preset configuration of the finite-state machine, linear step length search is carried out in the guard band range to locate a target phase, if the target phase is not found in the guard band range, linear step length search is carried out again after the guard band range is expanded, and when the real-time phase is equal to the target phase, a symbol state is entered; in the symbol state, the slope of real-time phase change is calculated, and symbol matching is verified; and if the symbols are matched, entering a phase-locked state, fixing a real-time delay change value in the phase-locked state, and pulling up a phase-locked loop activation signal. According to the invention, the digital code which is output by the phase discriminator and represents the phase relationship between the reference clock and the input clock can be received, the delay is searched in a linear search mode, the control signal is sent to the delay line, and the clock delay is changed until the clock meeting the requirement is generated.
Owner:NO 24 RES INST OF CETC