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63results about How to "Realize fine adjustment" patented technology
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Method and system for improving RGBW-image saturation
ActiveCN103996382AHigh saturationReduce backlight brightnessCathode-ray tube indicatorsComputer scienceLightness
The invention provides a method and system for improving an RGBW-image saturation. The method for improving the RGBW-image saturation includes step A; according to an independently adjustable range of screen partition dynamic backlight, dividing the screen into a plurality of screen subareas; step B: partitioning a to-be-displayed RGBW image according to the screen subareas; step C: determining saturation-to-be-adjusted partitions in the partitions of the to-be-displayed RGBW image; and step D: when the to-be-displayed RGBW image is displayed, according to a preset proportion, reducing the backlight luminance of the saturation-to-be-adjusted partitions. The method and system for improving the RGBW-image saturation are capable of realizing refined adjustment of the saturation of the RGBW image.
Owner:CHENGDU BOE OPTOELECTRONICS TECH CO LTD +1
Process chamber air distribution adjustment-oriented chemical vapor deposition (CVD) equipment spray header
InactiveCN103789748AEfficient fine adjustmentCapable of fine adjustmentChemical vapor deposition coatingAirflowEngineering
The invention relates to the field of chemical vapor deposition equipment, and particularly relates to a process chamber air distribution adjustment-oriented chemical vapor deposition (CVD) equipment spray header. A plurality of step spray holes are formed on the spray header; each spray hole is formed by a round hole with a larger diameter at the upper part and a round hole with a smaller diameter at the lower part; one or more parameters of the step depth, the large hole aperture and the small hole aperture are gradually increased from the center of the board of the spray header to the edge, so that gradual reduction of impedance on a board of the spray header from the center to the edge is achieved, the expected air circulation is gradually increased, and adjustment of impedance distribution on the board of the spray header is achieved. Thus, air distribution adjustment inside the process chamber is achieved. The process chamber air distribution adjustment-oriented CVD equipment spray header is cheap in design scheme, and high in efficiency, and fine adjustment of air distribution inside the process chamber is achieved just by continuous design on the small hole configuration of the spray header. Thus, fine adjustment of process and quality distribution is achieved.
Owner:TSINGHUA UNIV
Piezoelectric-liquid-actuated elastic-membrane-position electric feedback two-stage servo valve and control method thereof
ActiveCN102878139ACompact structureImprove reliabilityServomotor componentsNegative controlElectricity
Owner:HARBIN INST OF TECH
Zone control system for temperature in carriage and zone temperature-adjusting method
InactiveCN108482404ARealize zone temperature controlPleasant environmentRailway heating/coolingControl systemIn vehicle
The invention relates to a zone control system for the temperature in a carriage. The zone control system for the temperature in the carriage comprises an air conditioner system, and further comprisesan environment control host, a plurality of in-vehicle temperature sensors and a plurality of zone setters, wherein the environment control host is connected with the air conditioner system in the carriage, and is used for transmitting control commands for the air conditioner system; the in-vehicle temperature sensors are configured to detect current temperatures of various zones in the carriageand transmit detection results to the environment control host; the zone setters are correspondingly arranged in the various zones, are connected with the environment control host through a communication network, and are configured to set or adjust the set temperatures of the zones in which the zone setters are located; and the environment control host adjusts running of the air conditioner systemaccording to the set temperatures, and enables the temperatures of the various zones of the carriage to reach or be close to the set temperatures. The invention further relates to a zone temperature-adjusting method using the zone control system for the temperature in the carriage. The carriage is divided into a plurality of zones, and the temperature of each zone is adjusted independently to meet demands of users.
Owner:CRRC QINGDAO SIFANG CO LTD
Bright screen duration adjustment method and mobile terminal
InactiveCN105183314AImprove regulation efficiencyRealize fine adjustmentInput/output processes for data processingScreening durationTouchscreen
Owner:GUANGDONG OPPO MOBILE TELECOMM CORP LTD
Sinter return fine adjustment method and system
ActiveCN101914672ARealize fine adjustmentMeet the requirements of evenly using the return oreMixer accessoriesFurnace typesReturn ratioIndustrial engineering
The invention relates to a sinter return fine adjustment method, which comprises the following steps of: respectively acquiring material level conditions of two material tanks for storing return fine; selecting no reduction of a return fine ratio, no increase of the return fine ratio or allowance of adjustment according to the material level conditions of the two material tanks; calculating a material level change rate of the material tanks in preset time, and calculating a return fine ratio adjustment quantity according to the material level change rate and an average total feeding quantity; if selecting the allowance of adjustment, adjusting the return fine ratio according to the return fine ratio adjustment quantity; if selecting no reduction of the return fine ratio and the ratio adjustment quantity is positive, adjusting the return fine ratio according to the return fine ratio adjustment quantity; and if selecting no increase of the return fine ratio and the ratio adjustment quantity is negative, adjusting the return fine ratio according to the return fine ratio adjustment quantity. The invention also provides a sinter return fine adjustment system. The method and the system realize refined adjustment of the return fine and meet the requirement of uniformly using the return fine.
Owner:ZHONGYE-CHANGTIAN INT ENG CO LTD
Multifunctional box type detachable rotational flow distortion generator
InactiveCN108362499AThere are many forms of swirl distortionRealize fine adjustmentGas-turbine engine testingJet-propulsion engine testingDistortionEngineering
The invention belongs to the field of aviation engines, and discloses a multifunctional box type detachable rotational flow distortion generator. The multifunctional box type detachable rotational flow distortion generator is composed of box body circular flow guiding plates (3), box body circular connecting plates (4), a distortion generator front box body (5), a distortion generator rear box body (6) and a flow guiding basin (7), wherein a plurality of the box body circular connecting plates (4) form a bilaterally symmetrical flow guiding assembly with a certain opening angle reserved at theupper and lower ends. The novel multifunctional box type detachable rotational flow distortion generator is suitable for simulating various rotational flow distortion forms, can realize rotational flow distortion with single vortex intensity of 40 degrees, pair vortex intensity of 20 degrees and multi-vortex intensity of 10 degrees through adjusting the different connecting plates, and can meet the requirement for simulating rotational flow distortion at an outlet of a common air inlet pipe. The connecting plates of the flow guiding assembly are detachably connected by means of bolts, and thestructural design realizes limited disassembly and assembly during the assembly and testing process of parts.
Owner:AECC SICHUAN GAS TURBINE RES INST
A hydrogenation reactor having an impact reducing element
ActiveCN109985570AIt has the function of reducing flushing and current sharingImprove distributionChemical/physical processesRefining to eliminate hetero atomsProcess engineeringDistributor
The invention discloses a hydrogenation reactor with an impact reducing element. The fixed bed hydrogenation reactor comprises a material inlet pipe, an inlet diffuser, a reactor upper head, an impactreducing flow equalizing disc, a catalyst bed layer, a catalyst support grid, a reactor cylinder, a reactor lower head, an outlet collector, a material outlet pipe and a catalyst discharge pipe. Theimpact reducing flow equalizing disc is arranged in an idle space of the reactor upper head or above the top end of the reactor cylinder and a top distribution disc; the impact reducing flow equalizing disc is provided with a plurality of distributors and each distributor comprises a flow equalizing disc, a downcomer and a connecting rod, and the flow equalizing discs are connected with the downcomers through the connecting rods. The hydrogenation reactor disclosed by the invention is suitable for hydrofining or hydrocracking treatment processes of oil products.
Owner:CHINA PETROLEUM & CHEM CORP +1
Reactive voltage control method and system in wind power plant
ActiveCN111641217AImprove control efficiencyRealize coarse adjustmentAc network voltage adjustmentReactive power compensationControl engineeringVoltage regulation
The invention discloses a reactive voltage control method and system in a wind power plant. The method comprises the following steps that: according to wind power prediction information, an upper layer utilizes an objective function to adjust the reactive voltage to be controlled in the wind power plant to be within a feasible range, and according to the reactive voltage acquired at the current moment and the reactive power of the wind power plant, a lower layer utilizes a formula to calculate a reactive power reference value of the wind power plant, and droop control is carried out on the reactive voltage in the wind power plant according to the reactive power reference value of the wind power plant. The system comprises an upper-layer control module and a lower-layer control module. According to the invention, clean energy can be utilized to the greatest extent, and quick response of voltage control is realized, so that the reactive voltage control efficiency is improved.
Owner:ELECTRIC POWER RESEARCH INSTITUTE OF STATE GRID SHANDONG ELECTRIC POWER COMPANY +1
Orchard pipeline precise fertilizer injection control device and control method
ActiveCN105527890AAdapt to dosage requirementsRealize fine adjustmentProgramme controlComputer controlSolenoid valveDisplay device
The present invention discloses an orchard pipeline precise fertilizer injection control device and a control method. The device comprises a pressure transmitter, a signal conditioning circuit, a single chip microcomputer, a display device, a solenoid valve driving circuit, a solenoid valve, a keyboard circuit and a power supply circuit. The power supply circuit, the signal conditioning circuit, the keyboard circuit, the display device and the solenoid valve driving circuit are connected to the single chip microcomputer. The power supply is also connected to the pressure transmitter and the solenoid valve. The solenoid valve is also connected to the solenoid valve driving circuit. The signal conditioning circuit is connected to the pressure transmitter. Through presetting the fertilizer injection amount of pipeline fertilizer injection, when the pileline fertilizer injection is carried out, a pressure sensor collects the pressure in a liquid fertilizer pipeline and transmits the pressure to the single chip microcomputer, according to the pipeline liquid fertilizer pressure and a preset fertilizer injection amount, the single chip microcomputer calculates the needed fertilizer injection time through a software program, the opening duration time of the solenoid valve is controlled according to the fertilizer injection time, when the fertilizer injection amount reaches a desired value, a fertilizer injection gun is closed automatically, and the precise fertilizer injection of fruit trees is realized.
Owner:SOUTH CHINA AGRI UNIV
Method for finely adjusting active power of wind turbine generator
ActiveCN109412210ARealize fine adjustmentExtended service lifeSingle network parallel feeding arrangementsWind energy generationElectricityPower quality
The invention belongs to the technical field of wind power regulation and control, and specifically relates to a method for finely adjusting the active power of a wind turbine generator. The method has the beneficial effects that the active power is distributed into two links of coarse adjustment and fine adjustment so as to realize fine adjustment of active power, and the influence of the activepower of a wind power plant on residual error control is considered while the active power of the wind power plant is improved to adjust rapid response and control accuracy, a closed ring can be formed by the dispatching of the active power, the adjustment frequency and adjustment amplitude of the active power of the wind turbine generator are reduced effectively, the active power of the wind power plant can be regulated quickly and accurately, the service life of the wind turbine generator is prolonged, healthy operation of the wind turbine generator is guaranteed, and fine dispatching is realized, so that the quality of electric energy after the wind power plant is connected is further improved, and the stability of an electric power system is guaranteed effectively.
Owner:CSIC CHONGQING HAIZHUANG WINDPOWER EQUIP
Toothed weir type impact reducing and uniform fluid distributing plate
ActiveCN108097178AReduce impactEliminate shockChemical/physical processesHydrocarbon oils treatmentEngineeringDistributor
The invention discloses a toothed weir type impact reducing and uniform fluid distributing plate and belongs to the field of chemical equipment. The toothed weir type impact reducing and uniform fluiddistributing plate comprises a tray and distributors arranged on the tray, wherein each distributor comprises a uniform fluid distributing plate, a material lowering pipe and connecting rods, and theuniform fluid distributing plate is arranged above the material lowering pipe and connected with the material lowering pipe through the connecting rods. The toothed weir type impact reducing and uniform fluid distributing plate has the characteristics of impact reducing and uniform fluid distributing functions, good distribution effect, small size, low mounting precision requirement and the like.
Owner:CHINA PETROLEUM & CHEM CORP +1
Inclined tooth subdivision linear-movement fine adjustment mechanism
InactiveCN110449917ARealize fine adjustmentHigh adjustment accuracyGrinding machine componentsFeeding apparatusVertical planeGear wheel
The invention discloses an Inclined tooth subdivision linear-movement fine adjustment mechanism. According to the mechanism, an indexing bevel gear is rotated to drive a steering bevel gear to convertrotation on a horizontal plane into rotation on a vertical plane so as to enable a screw rod assembly to rotate, and a working seat generates slippage on a guide mechanism, and due to the fact that the rotation angle of the indexing bevel gear can be subdivided, fine adjustment of the working seat is realized. The inclined tooth subdivision linear-movement fine adjustment mechanism has the advantages of being capable of being finely adjusted, high in adjusting precision, simple and convenient to operate and simple in structure.
Owner:SHUNDE POLYTECHNIC
System, device and method for automatically optimizing and adjusting operating frequency of circulating water pump
InactiveCN112228329ARealize operation optimization functionAutomatically castSteam/vapor condensersPump controlFrequency changerControl engineering
The invention discloses a system, device and method for automatically optimizing and adjusting the operating frequency of a circulating water pump. The method comprises the steps that the load of a unit and the liquid level of a forebay are collected, the micro-increase output of the unit is determined through combining with the parameters of the unit, the target output flow of the circulating water pump is determined according to the micro-increase output of the unit, and the operation frequency of the circulating water pump is determined according to the target output flow of the circulatingwater pump and the liquid level of the forebay; and the circulating water pump is operated according to the operating frequency. During shutdown of the unit, the operation optimization algorithm is directly programmed and developed in a DCS of the unit by applying a related conclusion obtained by operation optimization of a turbine cold end system, so that the operation optimization function of the variable-frequency circulating water pump is realized, the operation optimization result is directly fed back to a frequency setting system of a circulating water pump frequency converter, and theoperation of the circulating water pump is intelligently controlled.
Owner:XIAN THERMAL POWER RES INST CO LTD
Video progress adjusting method, adjusting device and electronic equipment
ActiveCN111818393ARealize fine adjustmentImprove experienceSelective content distributionComputer graphics (images)Multiple frame
Owner:LENOVO (BEIJING) LTD
Clamping balance lockable regulator pin fine tuning mechanism
ActiveCN106950812AEasy to adjustEasy and fast coarse adjustmentFrequency setting mechanismEngineeringMechanical watch
The invention discloses a clamping balance lockable regulator pin fine tuning mechanism including a balance cock, a hairspring outer pile, a hairspring, an antivibrator, a balance, and an regulator pin mechanism, the balance cock is fixed on the movement of a mechanical watch, the inner end of the spring is connected at the balance shaft, the regulator pin mechanism includes an regulator pin body, a hairspring clamp, an regulator pin connecting rod, and a fine tuning screw with a big cap and a small eccentric shaft, the hairspring outer pile, the regulator pin body, and the regulator pin connecting rod sleeve the balance cock via the antivibrator, the hairspring penetrates into the hairspring clamp, the outer end of the hairspring is fixedly connected with the hairspring outer pile, and the hairspring clamp is composed of a hairspring fixed lock flap and a hairspring movable lock flap. The hairspring outer pile and the regulator pin can be fixed and also are convenient to adjust, the hairspring and the hairspring clamp are firmly clamped, so that the rapid coarse registration adjustment and fine registration adjustment of the regulator pin position can be facilitated, the structure is reasonable, and the efficiency for watch time-travelling accuracy adjustment and calibration is improved.
Owner:李国强
Circulating driving device for highway pavement accelerated loading test system
ActiveCN110631938AReduce the steps of disassembly and installationEasy to replaceMaterial strength using repeated/pulsating forcesVibration amplitudeHydraulic cylinder
The invention relates to the technical field of highway pavement accelerated loading tests and particularly relates to a circulating driving device for a highway pavement accelerated loading test system. The device comprises a guide rail; the guide rail is fixed on an outer frame; a chain wheel is fixedly installed in the middle of the guide rail; six annular supporting frames which are distributed at intervals are arranged on the chain wheel; and a front supporting plate is arranged at the front end of the annular supporting frame. The circulating driving device for the highway pavement accelerated loading test system has the beneficial effects that through cooperation of a movable side plate and an electric telescopic rod, coarse adjustment of the length of an inner cavity of the annularsupporting frame is achieved, the space in the annular supporting frame is suitable for mounting of a loading wheel, the steps of dismounting and mounting are reduced, the replacement process is simplified, and the detection efficiency is improved; the adjusting support is matched with a hydraulic cylinder, so that fine adjustment of the inner cavity space of the annular supporting frame is achieved, the situation in which the vibration amplitude is increased due to the fact that the inner space is too large is prevented, meanwhile, the position of the loading wheel is adjusted through the hydraulic cylinder, and linear loading is achieved through contact between the loading wheel and the ground.
Owner:河北交通投资集团有限公司 +1
Phosphorescent carbon quantum dot-based composite material and preparation method thereof
ActiveCN114774119ASimple preparation processRealize fine adjustmentMaterial nanotechnologyNanoopticsSimple Organic CompoundsBoronic acid
The invention belongs to the technical field of phosphorescent luminescent materials, and particularly relates to a phosphorescent carbon quantum dot-based composite material and a preparation method thereof. The method comprises the following steps: carrying out melt reaction on a carbon source and boric acid; the carbon source is an organic compound containing a benzene ring, and at least one carbon atom of the benzene ring is connected with carboxyl. The phosphorescent carbon quantum dot-based composite material disclosed by the invention is a solid bluish violet phosphorescent carbon quantum dot-based composite material, does not contain metal, and is simple in preparation process.
Owner:TAIYUAN UNIV OF TECH
A needle guide for venipuncture and a puncture kit
PendingCN109199547ARealize fine adjustmentImprove stabilitySurgical needlesIntravenous devicesNeedle guideVenipuncture
The invention relates to a needle guide for venipuncture. The needle guide comprises a main body, wherein a limiting tube for accommodating the puncture needle is arranged in the main body, one end ofthe limiting tube is rotatably connected with the inner wall of the main body, a clamping slot which is consistent with the length direction of the limiting tube is arranged on the outer wall of thelimiting tube, and a limiting rod which can move along the length direction of the clamping slot is arranged in the clamping slot; the main body is provided with an arc-shaped groove, the limiting rodextends outwardly out of the clamping groove and protrudes to the outer body through the arc-shaped groove, and the lower edge of the arc-shaped groove is provided with a plurality of grooves which can accommodate the limiting rod; the upper top surface and the lower bottom surface of the main body are provided with openings for the puncture needle to move. The needle guide has the advantages ofconvenient use, adjustable needle feeding angle and strong stability, and can effectively improve the puncture success rate, improve the working efficiency of medical personnel and reduce the pain ofpatients.
Owner:XIANGYA HOSPITAL CENT SOUTH UNIV
A hydrogenation reactor having an impact reducing assembly
ActiveCN109985571AIt has the function of reducing flushing and current sharingImprove distributionChemical/physical processesHydrogenation reactionProcess engineering
The invention discloses a hydrogenation reactor with an impact reducing assembly. The hydrogenation reactor comprises a material inlet pipe, an inlet diffuser, a reactor upper head, an annular plate type impact reducing and flow equalizing tray, a catalyst bed layer, a catalyst support grid, a reactor barrel, a reactor lower head, an outlet collector, a material outlet pipe and a catalyst discharging pipe. The annular plate type impact reducing and flow equalizing tray comprises a column tray and a distributor arranged on the column tray, the distributor is formed by arranging a plurality of layers of impact reducing annular plates on the column tray in a concentric circle mode, and a plurality of downcomers used for collecting and discharging materials are arranged between every two adjacent layers of the impact reducing annular plates. The hydrogenation reactor provided by the invention is suitable for a hydrogenation reaction process, especially for a hydrofining or hydrocracking process used for a raw material containing scale and utilizing a large-scale reactor.
Owner:CHINA PETROLEUM & CHEM CORP +1
Wireless multifunctional data collector for energy-saving monitoring
ActiveCN113949947AIncrease credibilityIncrease the burdenMain station arrangementsCentralised architecture usageProcessing elementEthernet
The invention relates to a wireless multifunctional data collector for energy-saving monitoring, and the collector comprises a signal collection module which is used for receiving various collected signals, the signal collection module comprising a one-way collection unit and a two-way collection processing unit, the one-way collection unit being used for collecting current, voltage, active power and power factors, two-way collection processing unit comprising a serial port level conversion processing unit, an Ethernet transmit-receive management unit and a hand-held terminal acquisition unit; acontrol module, used for processing the signal received by the signal acquisition module; a transmission module, used for transmitting the signal processed by the control module; and an upper computer, used for receiving the transmitted signal and adjusting the acquisition frequency of the bidirectional acquisition processing unit in the signal acquisition module according to the data volume of the transmitted signal. By effectively adjusting the data volume, the matching between the data processing speed and the accuracy of the evaluation result is realized, so that the energy-saving monitoring process is more efficient actually.
Owner:PETROCHINA CO LTD
Filter flow dislocation reducing aeration device
InactiveCN109231512AAeration pureAeration smoothWater aerationSustainable biological treatmentHigh pressureDislocation
The invention relates to the field of environment-friendly water treatment, in particular to a filter flow dislocation reducing aeration device. The filter flow dislocation reducing aeration device comprises a vertical rotary flow guide installation cylinder, wherein the upper end of the rotary flow guide installation cylinder is horizontally connected with a variable-speed flow guide cylinder towards the right through an arc-shaped connecting cylinder; a filter flow installation cylinder is arranged at the right end of the variable-speed flow guide cylinder; a variable-speed flow guide structure is arranged in the variable-speed flow guide cylinder; the upper end of the rotary flow guide installation cylinder is provided with a steering flow guide structure corresponding to the arc-shapedconnecting cylinder. The filter flow dislocation reducing aeration device has the advantages that by adopting two stages of filtering, the high-pressure air is purer in the aeration process, and theaeration is smoother; the uniform aeration is realized in the rotation process, the aeration flow rate can be adjusted, the fine adjusting of aeration is realized, and the different aeration requirements are met; by adopting guide rotation, the adjustable hole is formed between a rotary dislocation plate and an aeration flow guide hole, so that the aeration speed and the size of aeration air bubble can be adjusted, the aeration process is fined, and the aeration quality is higher.
Owner:文露
Posture adjusting mechanism for pod dynamometer
ActiveCN113581435ARealize fine adjustmentCompact structurePropulsion power plantsOutboard propulsion unitsCouplingDynamometer
The invention discloses a posture adjusting mechanism for a pod dynamometer. The mechanism comprises a flange, a rotation posture adjusting mechanism is installed at the bottom of the flange, a through hole is formed in the middle of the rotation posture adjusting mechanism, a supporting rod inner shaft of the pod dynamometer is installed concentric with the through hole, a transition plate is fixed to the bottom of the rotation posture adjusting mechanism through a fastener, a six-component balance is installed at the bottom of the transition plate, a trim posture adjusting mechanism is installed at the bottom of the six-component balance, and an inner shaft of a supporting rod of the pod dynamometer penetrates through the middle of the six-component balance and the middle of the trim posture adjusting mechanism at the same time. Through cooperative work of the trim posture adjusting mechanism and the rotation postureadjusting mechanism, comprehensive adjusting means and high adjusting precision can be achieved, the yaw angle of the pod dynamometer can be automatically adjusted, the adjusting precision is extremely high, fine adjustment of the trim angle of the pod dynamometer is achieved, adjustment of each degree of freedom is simple and convenient, and mutual coupling is avoided.
Owner:CHINA SHIP SCIENTIFIC RESEARCH CENTER (THE 702 INSTITUTE OF CHINA SHIPBUILDING INDUSTRY CORPORATION)
In-vehicle equipment condition linkage method and device realized based on OEM cloud
PendingCN113452796ARealize fine adjustmentTransmissionElectric/fluid circuitVehicle drivingReliability engineering
The invention provides an in-vehicle equipment condition linkage method and device realized based on OEM cloud, and relates to the technical field of vehicle driving. The method comprises the steps: receiving a configuration file issued by the OEM cloud; according to the configuration file, adjusting and configuring control parameters of at least one piece of corresponding in-vehicle equipment; and if the vehicle data of a current vehicle meets the preset condition corresponding to the configuration file, controlling at least one in-vehicle device to be linked. An automobile manufacturer can adjust the performance of the in-vehicle device of a sold vehicle according to the vehicle data, so that more excellent driving experience is provided for a user.
Owner:东软睿驰汽车技术(大连)有限公司
Impedance matching method, impedance matcher and semiconductor process equipment
ActiveCN112259433AGood repeatabilityImprove stabilityMultiple-port networksElectric discharge tubesProcess equipmentImpedance matching
The embodiment of the invention provides an impedance matching method and an impedance matcher applied to semiconductor process equipment, and the semiconductor process equipment. The impedance matching method comprises the following steps: at the beginning of a process, adjusting a parameter value of an adjustable element of an impedance matcher to a preset initial value; when a radio frequency power supply is turned on, adjusting the parameter value of the adjustable element according to a pre-stored optimal matching path corresponding to the process, wherein the optimal matching path comprises the parameter values, corresponding to different moments, of the adjustable element in a preset matching time period; and after the terminal point moment of the optimal matching path is reached, adjusting the parameter value of the adjustable element by adopting an automatic matching algorithm until impedance matching is achieved. According to the impedance matching method and the impedance matcher applied to the semiconductor process equipment, and the semiconductor process equipment provided by the embodiment of the invention, the repeatability and stability of the process can be improved, so that the consistency of process results can be improved.
Owner:BEIJING NAURA MICROELECTRONICS EQUIP CO LTD
Hydrogenation reactor with impact reduction assembly
ActiveCN109985575AIt has the function of reducing flushing and current sharingImprove distributionChemical/physical processesGratingNuclear engineering
The invention discloses a hydrogenation reactor with an impact reduction assembly. The hydrogenation reactor comprises a material inlet pipe, an inlet diffuser, a reactor upper end socket, an impact-reducing flow-equalizing disc, a catalyst bed layer, a catalyst supporting grid, a reactor barrel, a reactor lower end socket, an outlet collector, a material outlet pipe and an unloading pipe. The impact-reducing flow-equalizing disc is arranged in the idle space of the upper end socket of the reactor or at the upper end of the reactor barrel; and the impact-reducing flow-equalizing disc comprisesan impact-reducing tower disc and a plurality of distributors arranged on the impact-reducing tower disc, each distributor comprises a grating, a material falling pipe and a connecting rod, the gratings are arranged above the material falling pipes, and the gratings are connected with the material falling pipes through the connecting rods. The hydrogenation reactor provided by the invention is suitable for a hydrogenation reaction process, especially a hydrogenation refining or hydrocracking process with a large reactor scale.
Owner:CHINA PETROLEUM & CHEM CORP +1
Hydrogenation Reactor with Surge Assemblies
ActiveCN109985575BIt has the function of reducing flushing and current sharingImprove distributionChemical/physical processesThermodynamicsPtru catalyst
The invention discloses a hydrogenation reactor with a buffer component. The hydrogenation reactor of the present invention includes a material inlet pipe, an inlet diffuser, an upper head of the reactor, a flow-reducing equalizer plate, a catalyst bed, a catalyst support grid, a reactor cylinder, a lower head of the reactor, and an outlet collecting device, material outlet pipe and unloading pipe. The impact reduction and equalizing plate is set in the idle space of the upper head of the reactor or at the upper end of the reactor cylinder; the impact reducing and equalizing plate includes the impact reducing tray and several impact reducing trays. Distributor, the distributor includes a grid, a material drop tube and a connecting rod, the grid is arranged above the material drop tube, and the grid and the material drop tube are connected through a connecting rod. The hydrogenation reactor of the present invention is suitable for the hydrogenation reaction process, especially the hydrofinishing or hydrocracking process with relatively large reactor scale.
Owner:CHINA PETROLEUM & CHEM CORP +1
Microscopic spine grinding head with depth limiting function
The invention relates to an endoscopic spine grinding head with a depth limiting function, and belongs to the technical field of medical instruments. The under-microscope spine grinding head with the depth limiting function comprises a grinding head assembly and a depth limiting assembly. A spiral groove is formed in the outer side of the grinding head assembly; the depth limiting assembly is slidably and rotatably arranged on the grinding head assembly in a sleeving mode and comprises balls which are matched with the spiral grooves and can move in the radial direction, so that the depth limiting assembly has the fine adjustment state that the balls move along the spiral grooves and the speed adjustment state that the balls are disengaged from the spiral grooves. According to the under-microscope spine grinding head with the depth limiting function, the ball rolls in the spiral groove, the depth limiting assembly is slowly and finely adjusted in the axial direction of the grinding head assembly, the ball is made to be separated from the spiral groove, and therefore the depth limiting assembly can be drawn back and forth in the axial direction of the grinding head assembly, long-distance rapid adjustment is achieved, different requirements can be met, and the working efficiency is improved. The grinding depth is accurately controlled, the surgery is more accurate, the fatigue of doctors is reduced, operation can be achieved with one hand, and the operation mode is simple and convenient.
Owner:诺美伊创医疗科技(成都)有限公司
A Fine Adjustment Method for Active Power of Wind Turbines
ActiveCN109412210BRealize fine adjustmentExtended service lifeSingle network parallel feeding arrangementsWind energy generationElectricity systemControl power
The invention belongs to the technical field of wind power regulation, and in particular relates to a fine regulation method for the active power of a wind turbine. The beneficial effect of this patent is: the present invention divides the active power distribution into two links of coarse adjustment and fine adjustment to realize the fine adjustment of active power, while improving the quick response and precise control of the active power adjustment of the wind farm, considering the wind power The influence of the active power control residual error of the wind farm, so that the active power dispatching can form a closed loop, which effectively reduces the adjustment frequency and adjustment range of the active power of the wind turbine, and can quickly and accurately regulate the active power of the wind farm and improve the wind turbine. The service life ensures the healthy operation of wind turbines and realizes fine scheduling, so as to further improve the power quality after the wind farm is connected, and effectively ensure the stability of the power system.
Owner:CSIC CHONGQING HAIZHUANG WINDPOWER EQUIP
Cooking device and method for adjusting internal temperature of cooking device
PendingCN114081369ARealize fine adjustmentImprove uniformityDomestic stoves or rangesLighting and heating apparatusTemperature controlEngineering
The invention provides a cooking device and a method for adjusting the internal temperature of the cooking device. The cooking device comprises a heating cavity which is internally provided with a bearing part for containing food; a plurality of heating units which are distributed on the bearing part and are suitable for heating food placed on the bearing part; a temperature detection unit which is in communication connection with the heating units and is suitable for detecting the temperature of the positions, corresponding to the heating units, in the heating cavity; and a controller which is in communication connection with the heating units and the temperature detection unit. By means of the arrangement, opening and closing of the heating units at different positions can be correspondingly adjusted, then the heating temperatures of the different positions on the bearing part are adjusted, and the cooking and heating uniformity of food on the bearing part is improved. Due to the fact that the food to be heated is mainly placed on the bearing part, the heating uniformity of the cooking device on the different positions of the food can be improved, fine adjustment of the temperature on the bearing part is achieved, and the automation level of temperature adjustment is increased.
Owner:GREE ELECTRIC APPLIANCES INC
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