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28results about How to "Low area cost" patented technology

Integrated apparatus and method for gas super purification

PendingCN122273239AImprove active stateoptimal active stateTemperature controlSorbent
This invention provides an integrated device and method for gas ultrapurification, comprising: an integrated sealed cavity; an adsorption system disposed inside the integrated sealed cavity, the adsorption system being filled with at least one adsorbent; a temperature control system disposed inside the integrated sealed cavity, including independent refrigerant circulation loops and hot medium circulation loops, for temperature control of the adsorption system; and a gas pipeline system including a raw material inlet, a displacement gas inlet, a product gas outlet, and a desorption gas outlet, each interface being connected to the integrated sealed cavity; the temperature control system controls the temperature of the adsorption system, enabling the sequential execution of a series of processes within the integrated gas ultrapurification device under the condition of an inert gas flow: preheating and activation of the adsorbent, low-temperature adsorption purification of the gas, high-temperature desorption regeneration, and cooling of the adsorbent for later use. The method of this invention is simple, easy to operate, and has broad industrial application prospects.
Owner:NEW ENGINE (CHANGSHA) TECH DEV CO LTD

Multi-standard power supply system and method for locomotive test

The invention discloses a multi-standard power supply system and method for a locomotive test, and relates to the technical field of test power supplies, and the structural design of the system is as follows: an input power supply is a three-phase alternating current 10kV power supply; the high-voltage switch K realizes access control and isolation of the system and a public power grid, the connection reactor L realizes energy buffering and inhibits switch ripples in output current, and the soft charging circuit pre-charges the three-stage converter. The three-level converter converts three-phase alternating current 10kV into DC1500 / 750V and outputs the DC1500 / 750V to the direct-current bus, one path of the direct-current bus supplies power to a subway vehicle test line, and the other path of the direct-current bus is inverted into single-phase alternating current 25kV through the output inverter and supplies power to a railway locomotive test line. According to the invention, alternating current test conditions of railway electric traction locomotive vehicles and direct current test conditions of subway vehicles can be satisfied, reliability and quality of power supply are ensured, repeated construction is reduced, and resource waste is avoided.
Owner:HUNAN RAILWAY PROFESSIONAL TECH COLLEGE +1

Method and device for generating jittering frequency clock signal

The invention provides a frequency jittering clock signal generation method and device, and relates to the technical field of electronics. The method comprises the following steps: acquiring target jitter frequency parameters including a jitter frequency center frequency, a jitter frequency mode and a jitter frequency width; a modulation signal and a source clock signal are determined according to the target jitter frequency parameter, the amplitude of the modulation signal changes along with time, and the amplitude change range of the modulation signal is configured to enable the first-order sigma-delta modulator to work in an unsaturated linear response area; inputting the modulation signal to a first-order sigma-delta modulator, and under the driving of the source clock signal, performing pulse density modulation on the modulation signal by the first-order sigma-delta modulator and outputting a unit pulse density modulation code stream; and carrying out edge detection on the unit pulse density modulation code stream to generate a jittering frequency clock signal. According to the technical scheme, a complex phase-locked loop circuit is replaced by a scheme which is extremely simple in structure and is completely realized by digital logic, and the problem of balancing the integration level, the cost and the signal purity is synchronously solved.
Owner:PUYA SEMICON SHANGHAI CO LTD

Integrated gas-solid separation waste acid regeneration cracking furnace and control method thereof

ActiveCN121611906Blow investment costsave on installation costsIncinerator apparatusGas solidThermodynamics
The application relates to the technical field of chemical equipment, and particularly discloses an integrated gas-solid separation waste acid regeneration cracking furnace, which comprises a furnace body, a combustion cavity arranged in the furnace body, a plurality of first baffles and second baffles arranged in the combustion cavity, the first baffles and the second baffles being alternately arranged at equal intervals along an axis of the furnace body to form a baffle channel, a gas-solid separator connected to an outlet end of the furnace body and comprising an outer pipe and an inner pipe coaxially arranged and provided with a flow guide assembly, an induced draft fan arranged at an end of the gas-solid separator away from the furnace body, and a control system for detecting the pressure in the furnace body through a pressure transmitter and adjusting the rotating speed of the induced draft fan by adopting a PID control algorithm to maintain a micro-negative pressure state in the furnace body. The application realizes accurate control of the pressure in the cracking furnace and efficient gas-solid separation, improves the waste acid regeneration efficiency and the equipment operation stability, and reduces environmental pollution and energy consumption.
Owner:EAST CHINA UNIV OF SCI & TECH

Carbon black granulation master batch external circulation system and use method thereof

The invention relates to a carbon black granulation master batch external circulation system and a use method thereof.The system integrates a product storage tank, a cyclone separator, a dust collection fan, a dry-method granulator and a central processing system, and core equipment of the carbon black granulation master batch external circulation system forms closed-loop association through material flow and air flow; the unit serves as a material processing unit; the cyclone separator is used as a grading unit and is connected with a feeding part of the dry-method granulator; the product storage tank is used as an intermediate storage unit and is connected with a feed of the cyclone separator; the dust collection fan serves as an auxiliary unit, is connected with the top of the cyclone separator and is responsible for airflow and dust recovery; the control unit comprises airtight valves and a central processing system, and the airtight valves are mounted at outlets of the cyclone separator and the product tank and are matched with frequency conversion to control the feeding amount. By optimizing the equipment configuration and the technological process, efficient granulation of the carbon black, efficient recovery of the master batch and stable improvement of the product quality are achieved, and the method can be widely applied to the post-treatment process of the carbon black.
Owner:CHINA RUBBER GRP CARBON BLACK RES & DESIGN INST

Silicon or glass wafer-based solar cell panel electrode short circuit and broken line poor detection method and system based on multi-modal sensor cooperation

This invention discloses a method and system for detecting short circuits or open circuits in silicon or glass wafer-based solar panels based on multimodal sensing collaboration, belonging to the field of photovoltaic testing technology. The system includes a testing platform structure, a pattern generator, a probe structure, a probe platform structure, a detection module, a platform structure, and a data processing module. The detection module can utilize a capacitance sensor, a magnetic field sensor (parallel / vertical magnetic field components), an IR camera, a UV / visible light camera, or a resistance measurement unit. By applying AC / DC / mixed signals to the electrodes, it acquires voltage distribution, magnetic field components, heat generation, or optical images. The data processing module analyzes and locates the short circuit or open circuit location. This invention integrates multiple detection modes, achieving a positioning accuracy of ±5µm, supporting multi-source data fusion, adapting to the detection of silicon / glass wafer-based solar panels of different sizes, and significantly improving detection efficiency and accuracy to meet the needs of industrial production lines.
Owner:GUANGZHOU XINGYING TESTING EQUIPMENT CO LTD

A packaging apparatus and method for a salmon fillet

This invention belongs to the field of food packaging technology, specifically disclosing a packaging device and method for grilled sea bass. It includes a main structure and an upper shell distributed above the main structure. A dragging structure is arranged on the upper part of the main structure, and an extrusion structure is arranged on the lower part of the upper shell. The dragging structure includes a dragging frame fixed above the main structure and a connecting frame fixed to the inner wall of the dragging frame. Packaging slots are evenly distributed on the connecting frame. In use, the lower packaging material is pre-placed on the connecting frame, then the grilled fish is placed on the lower packaging material, and then the upper packaging material is placed below the extrusion structure. When the extrusion structure abuts against the connecting frame, the upper packaging material cooperates with the lower packaging material to package the grilled fish. This invention achieves fully automated operation from packaging material positioning to finished product output through integrated automatic material laying, vacuum sealing, integrated cutting, and automatic separation and unloading mechanisms.
Owner:FUJIAN MINWEI FOOD CO LTD

A new energy vehicle safety performance detection device

ActiveCN224732077UShorten the detection processImprove detection efficiency
This utility model discloses a safety performance testing device for new energy vehicles, including an electric platform cabinet. A display screen is electrically connected to a built-in control board near the top of the front of the electric platform cabinet to intuitively display the results of different tests. A function key area is fixedly connected to the top of the display screen on the front of the electric platform cabinet, allowing operation of the entire safety performance testing program using multiple buttons within the function key area. A resistance tester is installed at the bottom of the inner part of the electric platform cabinet to test the resistance values ​​of the internal circuits. This utility model integrates multiple functions such as fast charging testing, slow charging testing, resistance testing, and potential equalization testing into a single electric platform cabinet, enabling the completion of core safety performance testing of new energy vehicles without the need for multi-station transfers. This significantly shortens the testing process, improves testing efficiency, and reduces equipment footprint and investment costs.
Owner:BAIC BLUEPARK MAGNA AUTOMOBILE CO LTD

Voltage-to-current circuit

The invention relates to the field of analog integrated circuit design, and particularly discloses a voltage-to-current circuit. Comprising a band-gap reference circuit and a voltage-to-current output circuit, wherein the band-gap reference circuit generates reference voltage VBG with a zero temperature coefficient through a bipolar transistor and a resistance network; and the voltage-to-current output circuit converts the VBG voltage into an output current IO = VVBG / R6 by using the VBG voltage and a matched NMOS (N-channel Metal Oxide Semiconductor) tube and resistor. By multiplexing partial structure and matching design in the band-gap reference circuit, the circuit structure is simplified, the area of a chip is reduced, the power consumption is reduced, and meanwhile, the band-gap reference circuit has good power supply suppression capability and temperature stability.
Owner:IMPERSON SEMICON (ZHUHAI) CO LTD

A kind of spoiler for fire tube boiler heat exchange pipe

This utility model provides a flow-turbulence device for heat exchange tubes in a fire-tube boiler, comprising: a sleeve assembly, a flow-turbulence component, and a tie rod. The sleeve assembly includes: a sleeve member and a first blade group. The sleeve member is sleeved over the first blade group. The first blade group includes: helical blades and a core member. The helical blades are spaced around the core member to define several helical air ducts within the sleeve member. The core member is fixed to the tie rod. The flow-turbulence component includes: a sleeve member and a second blade group. The sleeve member is sleeved over the second blade group. The second blade group has a similar structure to the first blade group to define several helical air ducts within the sleeve member. The sleeve assembly and the flow-turbulence component are connected in series via the tie rod, with the sleeve assembly and the flow-turbulence component spaced apart on the tie rod. This improves the heat transfer coefficient inside the heat exchange tubes of the fire-tube boiler and reduces the required heat exchange area of ​​the equipment.
Owner:RUIQIEER PETROCHEMICAL EQUIP (SHANGHAI) CO LTD

Data processing method, data processing device and electronic equipment

ActiveCN116245137BImprove compile-time efficiencyreduce area pressureBiological neural network modelsEnergy efficient computingComputer hardwareData class
The application provides a data processing method, a data processing device and an electronic equipment, and relates to the technical field of data operation. The method comprises the following steps: determining a to-be-input data stream of a corresponding input data type; determining a target operation method in a plurality of operation modules of a hardware circuit according to the data stream quantity of the to-be-input data stream; and performing calculation on the to-be-input data stream based on the target operation method, obtaining a target data stream of an output data type, and taking the target data stream as an operation factor of a neural network. The application sets a plurality of operation modules with different functions in the hardware circuit, determines a corresponding target operation method in the plurality of operation modules according to the data quantity of the to-be-input data stream, and calculates a target data stream of a required type. The resources in the hardware circuit can be reused to process data of different quantities of data streams, different input data types and output data types, the area of the hardware circuit is reduced, the cost of calculation is reduced, and the efficiency of calculation is improved.
Owner:AXERA SEMICON (SHANGHAI) CO LTD

Ultra-high voltage mosfet termination structure

ActiveCN224329832UImprove breakdown voltageLow area costUltra high voltageHigh voltage mosfet
The utility model provides a kind of ultrahigh pressure MOSFET terminal structure, above-mentioned terminal structure includes: substrate, it is in and set up main knot and VLD knot, the depth of the VLD knot gradually becomes smaller along the direction away from the main knot;Oxide layer is located on the substrate;Polysilicon field plate is located on the oxide layer;Dielectric layer is located on the polysilicon field plate;And metal field plate is located on the dielectric layer.The utility model embodiment is changed by setting VLD knot and its depth, and is matched with polysilicon field plate and metal field plate, while guaranteeing high pressure resistance, so that terminal structure is shorter, cost is less, and reliability is higher.
Owner:HUNAN HONGAN MICROELECTRONICS CO LTD

Package cutting equipment for resin anchoring agent

The utility model discloses resin anchoring agent packaging and cutting equipment, which relates to the technical field of resin anchoring agent production and comprises a hydraulic cylinder mounted at an outlet of resin anchoring agent filling equipment, and a mounting plate is fixed at the front end of a piston rod of the hydraulic cylinder; a cutter is fixed to the side, away from the hydraulic cylinder, of the mounting plate, a mounting frame is further slidably connected to the mounting plate in an inserted mode and is an n-shaped plate frame, rod parts on the two sides of the mounting frame are slidably connected to the mounting plate in an inserted mode, the mounting frame is elastically connected with the mounting plate through an elastic piece, and the sliding direction of the mounting plate is consistent with the telescopic direction of the hydraulic cylinder; through the arrangement of the cutter, the mounting frame and the pressing blocks, the two actions of separation and cutting are completed by doing work at a time, separation equipment before cutting is omitted, the occupied area and the acquisition cost of the equipment are reduced, meanwhile, the working procedures are reduced, and the production efficiency is greatly improved.
Owner:INNER MONGOLIA ZHONGCHENG HETAI HI TECH CO LTD

Wastewater recovery treatment device for aluminum hydroxide processing

PendingCN122809603Ashort processReduce land occupation
The application relates to the technical field of wastewater recovery treatment, in particular to a wastewater recovery treatment device for aluminum hydroxide processing, which comprises a treatment barrel, a fixed base is fixedly connected to the bottom end of the treatment barrel, an inlet is arranged at the upper end of the treatment barrel, a slag discharge port is arranged at the lower end of the treatment barrel, an exhaust bubble port is communicated with the upper end of the treatment barrel, a liquid outlet is communicated with the lower end of the treatment barrel, a motor is fixedly connected to the center of the upper end of the treatment barrel, and a rotating rod is fixedly connected to the output end of the motor. The wastewater recovery treatment device for aluminum hydroxide processing is characterized in that the functions of stirring, sedimentation and air flotation are integrated in a single device, the rotating block capable of automatically switching states and the self-supplying air backflow prevention system are used, the wastewater treatment process is simplified, the land occupation area and the investment cost are reduced, the interception and recovery effect of fine aluminum hydroxide particles is remarkably improved, and the automatic conversion of the functions can be realized by means of motor speed regulation.
Owner:淄博奥太新材料科技有限公司

A multi-modal device and a storage resource calling method, configuration method and device thereof

PendingCN122507528ALow area costincrease profit
This application discloses a multimodal device and its storage resource mobilization method, configuration method, and apparatus, applied in the field of image processing technology. The method includes: receiving a mode selection signal; dynamically switching the logical connection relationship of physical storage sub-units between a first operating mode and a second operating mode based on the mode selection signal; and mobilizing at least one physical storage sub-unit according to the logical connection relationship to achieve time-division multiplexing of the physical storage sub-units to serve either the first or second operating mode. This application centrally manages physical storage resources through a central management module and dynamically reconstructs the logical connection of storage units based on the mode selection signal, solving the problem of resource idleness and waste caused by physical isolation or maximum configuration of storage resources in existing dual-modal devices, achieving a significant reduction in device area cost and improved storage resource utilization.
Owner:HANGZHOU HIKVISION DIGITAL TECHNOLOGY CO LTD

Delivery device for liquid filling

ActiveCN224604673Uheight adjustableQuick height adjustment effect
The utility model discloses a conveying device for liquid filling, including support frame, both ends inside symmetry swing joint of support frame have rotation roller, and the outside between rotation roller is sleeved and has the conveyer belt, and rotation roller's one end fixed mounting has servo motor, the bottom of support frame is provided with elevating system, and the bottom fixed mounting of elevating system has the rotation subassembly, wherein, elevating system includes setting in the fixed frame of support frame bottom, and the inside bottom side fixed connection of fixed frame has the support block, and the inside slide connection of fixed frame upper side has the lifting plate, and the top of lifting plate with the bottom of support frame between fixed connection, to be able to realize the effect of quick regulation conveyer belt height, the conveyer belt of adjustable height can be fast matched different equipment, avoid because height mismatch leads to liquid splash, container to pour or production interruption, improve the flexibility when using conveying equipment.
Owner:ZHUHAI JINGGUANG PACKAGING MACHINERY EQUIP CO LTD

A compound absorbent for polyolefin high-pressure flare gas light hydrocarbon recovery, a preparation method, and a recovery system and recovery method

The application discloses a kind of for polyolefin high-pressure flare gas light hydrocarbon recovery complex absorbent, preparation method and recovery system and recovery method, it is related to petrochemical tail gas resource utilization technical field.Complex absorbent includes: main absorption component, auxiliary absorption component, heat stabilizer and viscosity modifier by mass fraction.The system includes compression impurity removal unit, absorption desorption purification unit and catalytic oxidation tail gas treatment unit, and forms integrated complete equipment.The method includes compression impurity removal, low-temperature oil absorption, flash evaporation, desorption purification, product separation and catalytic oxidation tail gas purification process.The application solves the technical problems of poor C2 selectivity, high nitrogen co-absorption rate, high temperature easy deterioration, high viscosity of existing absorbent, low separation precision of existing device, high energy consumption and tail gas not up to standard through the synergistic effect of four-function complex absorbent and double-tower coupled integrated device, realizes the efficient recovery and resource utilization of C2+ Light hydrocarbon in high-nitrogen-content polyolefin high-pressure flare gas.
Owner:ZHEJIANG DONGJIANG GREEN PETROCHEMICAL TECHNOLOGY INNOVATION CENTER CO LTD

Storage treatment equipment for metallurgical engineering waste

The invention relates to the technical field of metallurgical waste treatment, and particularly discloses metallurgical engineering waste storage treatment equipment which comprises a waste treatment box, a waste briquetting box, a waste treatment tank and a swirler, the waste treatment box and the waste briquetting box are fixedly arranged on the two sides of the top of a base, and a first material guide frame is fixedly arranged between the waste treatment box and the waste briquetting box; a waste treatment tank is further fixedly arranged on the top of the waste treatment box, and a swirler is fixedly arranged on the back face of the waste treatment box. By integrating a plurality of functional units of feeding, pretreatment, crushing, separation, briquetting, discharging and the like, different types of waste materials such as high-temperature molten smelting slag and metal-containing scraps can be subjected to full-process treatment in the same equipment, multiple dispersing equipment does not need to be arranged, the occupied area and the investment cost of the equipment are greatly reduced, and the production efficiency is improved. And meanwhile, automatic transfer of the materials is achieved through an internal material guide structure, manual intervention and additional conveying links are omitted, and the continuity and treatment efficiency of the whole treatment process are remarkably improved.
Owner:安化县恒宇冶金炉料有限公司

A pressurized water reactor thermal energy storage peak shaving system

The application discloses a pressurized water reactor heat storage energy peak shaving system, and belongs to the field of reactor engineering and energy storage technology. The system comprises a pressurized water reactor secondary loop, a carbon dioxide energy storage loop and a carbon dioxide power generation loop. At the electricity trough of the power grid, the pressurized water reactor secondary loop drives a steam turbine with excess steam, the turbine is coaxially connected with a compressor of the energy storage loop, so that the excess electric energy is converted into heat energy and stored in a high-temperature molten salt tank, and domestic hot water is supplied at the same time. At the electricity peak of the power grid, the steam turbine in the pressurized water reactor secondary loop generates power at full load, and the power generation loop generates power by using the stored molten salt heat energy, and provides low-temperature heat energy required for the next cycle of the energy storage loop. In the application, molten salt and water are combined as heat storage medium, and through multi-loop coupling and key equipment optimization, efficient, compact and flexible heat storage energy and peak shaving are realized, the application is suitable for energy storage reconstruction of nuclear power plants, and has the advantages of high energy density, small land occupation, low investment cost and environmental friendliness.
Owner:NORTH CHINA ELECTRIC POWER UNIV

Temperature reduction device, anti-surge system and compressor

PendingCN121803512AEfficient atomization effectFine atomization effectPump componentsPump controlChemical industryPetrochemical
The invention belongs to the technical field of petrochemical engineering, and particularly relates to a temperature reducing device, an anti-surge system and a compressor. The nozzle body is provided with a containing cavity and a flow guide channel communicated with the containing cavity, the end, away from the flow guide channel, of the containing cavity is provided with an opening, and the end, away from the containing cavity, of the flow guide channel is communicated with a process refrigerant pipeline; the rotational flow valve element is arranged in the opening in a penetrating mode and arranged in the containing cavity in a sliding mode, and the rotational flow valve element can be switched between a first position and a second position; the valve rod penetrates through the valve seat and is connected with the rotational flow valve core; the adjusting piece is located outside the containing cavity and movably connected with the end, away from the rotational flow valve element, of the valve rod. The elastic piece is located outside the containing cavity and arranged on the valve rod in a sleeving mode, and the two ends of the elastic piece abut against the adjusting piece and the nozzle body respectively. According to the temperature reduction device, the anti-surge system and the compressor, efficient and fine atomization and refrigeration effects can be guaranteed, and the heat exchange efficiency is improved.
Owner:CHINA NAT PETROLEUM CORP +1

Multi-functional cutting machine

ActiveCN224615425UEfficient integrationIntegrated into switchable high-efficiency
This application relates to the field of cutting machine technology, specifically a multi-functional cutting machine including a conveying device and a cutting mechanism. The cutting mechanism is slidably mounted along the length of the frame under the drive of a power mechanism. The cutting mechanism includes a switchable toothed blade cutting device, an electric flying knife cutting device, and a laser cutting device. The cutting mechanism includes a cutting frame and a rotating disk. A cutting base is detachably mounted on the bottom of the cutting frame. The toothed blade cutting device includes a bottom pressure roller and a discontinuous toothed blade. The discontinuous toothed blade, the electric flying knife cutting device, and the laser cutting device are installed in mounting slots within the rotating disk. The mounting slots are arranged in a circumferential array on the rotating disk. The bottom pressure roller is mounted on the cutting base. The rotating disk is driven to rise and fall by a hydraulic cylinder located on the top of the cutting frame. This application significantly improves the integration of the cutting device, reduces the equipment's footprint and land costs, adapts to the cutting needs of different fabric materials, and improves cutting efficiency and product quality stability.
Owner:鄢伟 +1

A voltage-to-current circuit

This invention relates to the field of analog integrated circuit design, specifically disclosing a voltage-to-current converter circuit. It includes a bandgap reference circuit and a voltage-to-current output circuit. The bandgap reference circuit generates a zero-temperature-coefficient reference voltage VBG through a bipolar transistor and a resistor network. The voltage-to-current output circuit uses the VBG voltage and a matched NMOS transistor and resistor to convert the VBG voltage into an output current I. IO =V VBG / R6. This invention simplifies the circuit structure, reduces the chip area and power consumption by reusing part of the structure and matching design in the bandgap reference circuit, while also possessing good power supply rejection capability and temperature stability.
Owner:IMPERSON SEMICON (ZHUHAI) CO LTD

Computing chip, data processing method, device, apparatus, and storage medium

ActiveCN122019466BReduce the number of concurrent access requestsreduce congestionPathPingComputer architecture
Embodiments of the present application provide a computing chip, a data processing method and device, equipment and a storage medium, and relate to the technical field of chips. The computing chip comprises at least one computing cluster, and the computing cluster comprises: a plurality of memory and calculation units, each memory and calculation unit comprising a calculation module and a memory module physically integrated with the calculation module; a cluster center; a cluster shared memory, which is in communication connection with the cluster center and in communication connection with each calculation module in the plurality of memory and calculation units through the cluster center; and a network on chip, the cluster center of each computing cluster being connected to the network on chip. Efficient access to local data is achieved by physical integration of memory and calculation, cross-storage access paths are optimized by cluster-level cluster shared memory, the interaction logic of the network on chip is simplified by a hierarchical communication architecture, and the data transmission efficiency of the calculation module is improved. By reducing access requests of the network on chip and simplifying network design, the access traffic and power consumption of the network on chip are reduced, and the chip area and hardware cost are reduced.
Owner:SUZHOU YIZHU INTELLIGENT TECH CO LTD

On-chip adaptive combining method and feedback system for polarization diversity MZM

ActiveCN122052919BGuarantee instant stabilityEliminate inherent processing delaysPolarization diversityBeam splitting
The application relates to the field of silicon-based optoelectronic integration, and particularly discloses an on-chip adaptive combining method and a feedback system for polarization diversity MZM, which comprises the following steps: optical coupling and mode conversion, polarization diversity electro-optical modulation, optical power collection and photoelectric conversion, signal processing and feedback control, and a tunable combining module; after the coupling conversion and modulation, two-way optical power is collected and photoelectrically converted, a power difference voltage is obtained through an analog circuit, a control voltage is generated by superimposing a bias voltage, and a tunable combiner is driven to dynamically adjust a beam splitting ratio to complete combining. The application solves the problems that the output power of the polarization diversity MZM randomly fluctuates with the polarization state, the existing polarization control scheme has slow response, a complex structure and is difficult to integrate with a silicon-based process, realizes real-time and accurate compensation of power fluctuation, guarantees stable combining output power, and has a simple system structure, low power consumption, is easy to monolithically integrate with a silicon-based chip, and improves the performance and compatibility of an integrated photonic link.
Owner:TIANJIN GUANGXI INFORMATION TECHNOLOGY CO LTD

A heat dissipation fan testing device

ActiveCN224657418UImprove test efficiencyImprove test quality
The utility model relates to test equipment technical field, concretely relates to a heat dissipation fan test equipment, including frame, transport carousel, loading fixture, blanking mechanism, code scanning station, pressure resistance station, code printing station, one measuring station, two measuring stations, blanking station, be equipped with transport carousel rotationally on the frame, be equipped with six loading fixtures around on transport carousel, the frame corresponds six loading fixtures along clockwise direction respectively and is equipped with code scanning station, pressure resistance station, code printing station, one measuring station, two measuring stations, blanking station, the blanking mechanism is located in blanking station side portion, adopts multistation carousel formula structure layout, through transport carousel drive loading fixture along clockwise direction sequentially in multiple stations rotation carries, can realize one equipment on disposable completion multiple test procedures, not only reduces the floor space and maintenance cost, improves heat dissipation fan each test procedure's test efficiency and quality simultaneously.
Owner:ZENITH INSTR CO LTD

Integrated dosing and press device

ActiveCN120701293BSimplify field operationsLow area cost
This invention discloses an integrated chemical dosing and pressurization device, comprising a cabinet and casters. The casters are installed at the bottom of the cabinet to facilitate its movement. The device also includes: multiple partitions fixedly installed within the cabinet, which divide the cabinet into an equipment cavity, a toolbox, and an electrical control cabinet. The toolbox stores tools and accessories, and the electrical control cabinet houses electrical control equipment for controlling the pressurization mechanism. The pressurization mechanism, installed within the equipment cavity of the cabinet, is used for precise chemical dosing, line clearing and unblocking, and tubing pressurization. A winding drum, located within the equipment cavity and adjacent to the pressurization mechanism, has an outlet coil wound onto it. The outlet coil can be connected to the water outlet of the pressurization mechanism for tubing pressurization or chemical dosing. This device can automatically and precisely dosing chemicals under different well conditions and can perform localized line clearing and unblocking, as well as tubing pressurization in pumping wells to diagnose downhole faults.
Owner:CHINA PETROLEUM & CHEMICAL CORP +1

Laser washing and welding integrated five-axis machining device

According to the laser washing and welding integrated five-axis machining device provided by the utility model, the horizontal translation structure, the depth propelling structure and the vertical lifting structure are matched with one another, so that the relative positions and angles between the laser washing head and a workpiece and between the laser welding head and the workpiece can be flexibly adjusted; the process of cleaning first and then welding is completed on one device, one device is used for replacing multiple devices with single functions, the practicability of the device is improved, and the carrying time of workpieces among different devices during machining is shortened; by arranging the rotary structure, direction conversion of a workpiece is achieved, the workpiece can be cleaned and welded in multiple directions only through one-time clamping, and the machining efficiency and precision are improved; the controller is arranged to control the movement structures in all directions, automatic control is achieved, the machining process can be more continuous and efficient, the production efficiency is improved, the laser cleaning and welding quality can be effectively improved, and the use performance of the equipment is enhanced.
Owner:JIANGSU UNIV +2

Ternary cyclic logic circuit based on threshold type memristor and application of ternary cyclic logic circuit

The invention discloses a three-valued circulation logic circuit based on a threshold type memristor and application of the three-valued circulation logic circuit, and belongs to the technical field of image encryption. Comprising two direct-current power supplies, an STI circuit, an operational amplifier and a voltage division circuit, the voltage division circuit comprises a VTEAM memristor; wherein one direct-current power supply supplies power to the main circuit, the other direct-current power supply supplies working voltage to the operational amplifier, input voltage is converted by the STI circuit and then input to the operational amplifier for voltage stabilization, output voltage of the operational amplifier is compared with threshold voltage of the VTEAM memristor, corresponding resistance is generated for voltage division, and therefore three kinds of voltage are output. And three-valued logic can be mapped. The memristor has remarkable feasibility in the design of a three-valued logic circuit, has the advantages of high performance, low power consumption, high integration level and the like, and provides a valuable implementation path for storage and calculation integration and security encryption application in the future.
Owner:ANHUI UNIV