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58 results about "Microwave resonance" patented technology

Microwave ovens and resonance in molecules. Like all other objects molecules have a resonant frequency. This means that they vibrate wildly when a certain input frequency is applied to them in just the same way that a child's swing will build up large oscillations if it is pushed at just the right rate.

Flexible assembly clamping jaw device based on multi-dimensional force sensing

The invention relates to the technical field of assembly clamps, and discloses a flexible assembly clamping jaw device based on multi-dimensional force sensing, comprising: a central precision positioning unit comprising a central positioning seat, the tail end of which is provided with a central adsorption disc with a first pressure sensor and a first microwave resonance sensor; the miniature laser radar is arranged at the tail end of the central positioning seat and is used for calibrating spatial poses; according to the device, multi-sensor fusion sensing is adopted, complete closed-loop control is constructed, the central adsorption disc, the near-end telescopic adsorption disc and the far-end telescopic adsorption disc are all integrated with pressure sensors and microwave resonance sensors, contact force and gap changes are monitored respectively, all sensing data are fed back to the control unit in real time, and the control unit is controlled. And the action parameters of all execution mechanisms are dynamically adjusted, intelligent regulation and control of the whole process from contact to fitting to locking are achieved, and the environment adaptability and operation stability of the clamping jaw are improved.
Owner:SHENYANG INST OF ENG

Tuned Microwave Resonant System for Subcutaneous Imaging

PendingUS20260130604A1Diagnostic recording/measuringMicrowave sensorsRadiologyMicrowave resonance
A method for non-invasively identifying a location of a mass or tumor including: providing a patient with a possible mass or tumor; providing a detector including one or more resonant sensors, each sensor including at least one loop resonator, at least one cavity resonator, or at least one waveguide resonator; detecting resonant frequencies at different locations on the patient's skin near locations of the mass or possible tumor; and locating the mass or tumor by noting a location of an atypical resonant frequency.
Owner:SOUTHERN METHODIST UNIVERSITY

Current measurement method, electronic equipment and readable storage medium

PendingCN121049560ACurrent/voltage measurementResonance measurementPhotodetector
The invention relates to a current measurement method, electronic equipment and a readable storage medium. The method comprises the following steps: acquiring an initial resonant frequency of the quantum current sensor, and outputting a microwave modulation signal according to the initial resonant frequency; performing optical detection magnetic resonance measurement operation based on the microwave modulation signal, obtaining a measurement response signal for the microwave modulation signal, and demodulating the measurement response signal to obtain a demodulation component; when the demodulation component is not matched with the demodulation component target value, the PID parameter is adjusted, and the microwave frequency of the microwave modulation signal is adjusted based on the adjusted PID parameter until the demodulation component is matched with the demodulation component target value; a microwave frequency when the demodulation component matches the demodulation component target value is determined as a microwave resonance frequency, and a current measurement value is determined on the basis of the microwave resonance frequency. By adopting the method, the current measurement efficiency of the quantum current sensor can be improved.
Owner:SOUTHERN POWER GRID SENSING TECHNOLOGY (GUANGDONG) CO LTD

Soil microwave uniform disinfection operation system and operation method thereof

The application discloses a soil microwave uniform disinfection operation system and an operation method thereof, and belongs to the technical field of soil disinfection. The soil microwave uniform disinfection operation system comprises a power chassis, an on-board control box, a rolling microwave irradiation system, a conveying mechanism and a shovel mechanism. The shovel mechanism and the conveying mechanism are sequentially arranged at the front end of the power chassis, and the on-board control box and the rolling microwave irradiation system are arranged on the upper end of the power chassis. The rolling microwave irradiation system comprises a microwave resonance cavity arranged on the upper end of the power chassis, microwave generating units arranged on the two sides of the microwave resonance cavity and a roller mechanism arranged in the microwave resonance cavity. The rolling microwave irradiation system is adopted to perform efficient disinfection on field soil, effectively reduces the risk of local overheating caused by microwave irradiation, effectively improves the microwave irradiation efficiency and uniformity of soil, and realizes the microwave irradiation disinfection treatment operation on the field soil piece by piece.
Owner:NANJING AGRI MECHANIZATION INST MIN OF AGRI

Double-resonance microwave sensor

The invention discloses a double-resonance microwave sensor, and relates to the technical field of sensors, the double-resonance microwave sensor comprises a dielectric plate, the front surface of the dielectric plate is provided with a microwave resonance layer, and complementary opening resonance units are etched on the microwave resonance layer; the complementary opening resonance unit comprises an inner ring groove and an outer ring groove which are concentrically arranged, one side of the inner ring groove is provided with a connecting bridge extending outwards, and the connecting bridge is communicated with the outer ring groove; interdigital slotting units which are symmetrical to each other are arranged on the two sides of the outer ring groove respectively; the back surface of the dielectric plate is provided with microstrip lines corresponding to the complementary opening resonance units. According to the invention, by adopting a dual-resonance structure in which the complementary opening resonance units are coupled with the microstrip lines, dual-resonance transmission response can be excited and formed, so that the detection precision and sensitivity of the sensor are improved.
Owner:FOSHAN UNIVERSITY +1

Aerosol-generating device

PCT designated stageWO2026146795A1Microwave resonanceMechanical engineering
This aerosol generating device comprises: a source unit for generating microwaves; a resonance unit, comprising an accommodation space for accommodating an aerosol-generating article, for giving rise to microwave resonance due to the microwaves generated by the source unit; a cover disposed in the resonance unit so as to move between open and closed positions, opening and closing the accommodation space; and a control unit for controlling the source unit on the basis of external force exerted by the aerosol-generating article on the cover.
Owner:KT&G CO LTD

Electron Cyclotron Resonance Ion Source

ActiveCN121038083BPlasma techniqueElectron cyclotron resonanceMicrowave resonance
The application discloses an electron cyclotron resonance ion source, which comprises a plurality of microwave transmission modules, a plurality of microwave resonance cavities, a plasma generation chamber and a magnetic field module, the microwave transmission module comprises a microwave source, an impedance matcher and a waveguide, the microwave source is used for generating and emitting microwaves, the microwave sources generate microwaves with the same or different frequencies, the inlet of the waveguide is connected with the microwave source, and the outlet is connected with the microwave resonance cavity, each waveguide is connected with one microwave resonance cavity, the impedance matcher is used for adjusting the frequency and standing wave of the microwaves and realizing impedance matching of microwave feeding, the inlet of the plasma generation chamber is connected with the outlets of the plurality of microwave resonance cavities, free electrons are formed at the boundary of the plasma generation chamber and the plurality of microwave resonance cavities, and the magnetic field module is used for generating a magnetic field, so that the free electrons make spiral motion in the plasma generation chamber and collide with background gas introduced into the plasma generation chamber to generate plasma. The electron cyclotron resonance ion source can realize multi-frequency microwave feeding and improve the uniformity of plasma.
Owner:QINGDAO SIFANG SRI INTELLECTUAL TECHNOLOGY CO LTD

Dual-resonance microwave sensor

The application discloses a double-resonance microwave sensor and relates to the technical field of sensors, which comprises a dielectric plate, the front surface of the dielectric plate is provided with a microwave resonance layer, and the microwave resonance layer is etched with a complementary open resonant unit; the complementary open resonant unit comprises concentrically arranged inner ring grooves and outer ring grooves, one side of the inner ring grooves is provided with an outwardly extending connecting bridge, the connecting bridge is in communication with the outer ring grooves; the two sides of the outer ring grooves are respectively provided with interdigitated slotted units that are symmetrical to each other; and the back surface of the dielectric plate is provided with a microstrip line corresponding to the complementary open resonant unit. The double-resonance structure of the complementary open resonant unit and the microstrip line coupling can excite a double-resonance transmission response, so that the detection precision and sensitivity of the sensor are improved.
Owner:FOSHAN UNIVERSITY +1

Toner cartridge recycling and replacing system and control method

The invention relates to the technical field of selenium drum circulation, and particularly discloses a selenium drum recycling and replacing system and a control method.The method comprises the steps that firstly, quantitative characterization of subsurface defects and local mechanical properties is conducted on waste metal core base materials through microwave resonance and nanoindentation multi-source fusion detection, and a base material state quantitative data set is generated; performing multi-physical field transient simulation by taking the data set and target coating parameters as input, and predicting an interface residual stress score in a regeneration process; based on a prediction result, reversely solving a dynamic temperature control sequence and gradient material matching scheme; in a vacuum coating environment, active stress compensation coating is realized, transient thermal excitation modal testing is performed on the regenerated toner cartridge, high-frequency dynamic characteristics of the regenerated toner cartridge are extracted and compared with a simulation predicted value, simulation model parameters are optimized according to deviation data feedback, closed-loop control is formed, and the interface bonding strength and long-term imaging reliability of the regenerated toner cartridge are improved.
Owner:ZHUHAI HUAMEI PRINTING TECH CO LTD

Method and apparatus for characterising the nuclear spin environment around a paramagnetic centre

Disclosed is a method for characterising a sample (E), said method comprising magnetically coupling the sample to a microwave resonator (RHS) such that the coupling dominates the relaxation dynamics of an electron spin (SEL) of a paramagnetic centre of the sample, and determining, by nuclear-magnetic-resonance spectroscopy, coefficients Cij of coupling between a nuclear spin of the sample, called the probe nuclear spin (SNi), and other nuclear spins (SNj, SNk) of the sample, said method employing indirect detection of a state of said probe nuclear spin (SNi), through counting of microwave photons, of respective noise signals (SBS) produced by the return to equilibrium of said electron spin (SEL). An apparatus for implementing such a method is also disclosed.
Owner:COMMISSARIAT A LENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVES +1

Industrial microwave continuous high temperature device

The utility model discloses an industrialization microwave continuous type high temperature device, including: support chassis, be provided with the placement site on support chassis, be used for placing the sample board that has sample, the casing, form microwave resonance cavity in its inside, microwave source device is used for feeding microwave to microwave resonance cavity, reaction channel, can be penetrated wave, set up microwave resonance cavity inside, it includes: outer layer channel, and the inner layer channel of detachable setting in outer layer channel, telescopic power component, telescopic setting on support chassis, through telescopic push the sample board that places in placement site moves to drive the multiple sample board that is located at one side of placement site moves and in turn passes the inner layer channel. The utility model provides an industrialization microwave continuous type high temperature device, and it can realize the continuous high temperature heating of large quantities of samples, satisfies the demand of industrialization processing production.
Owner:QINGDAO MCW MICROWAVE INNOVATION TECH CO LTD

Heater assembly and aerosol-generating device comprising same

This heater assembly comprises: an oscillation unit that generates microwaves; a resonance unit that comprises an insertion space in which an aerosol-generating article is accommodated, and that heats the aerosol-generating article by resonance of the microwaves; and a microwave output unit that transmits the microwaves generated by the oscillation unit to the resonance unit, wherein the microwave output unit connected to the oscillation unit is screw-coupled to one region of the resonance unit, thereby coupling the oscillation unit to the resonance unit.
Owner:KT&G CO LTD

A mushroom residue fermentation ingredient control method and ingredient device based on AI dynamic proportioning

The application discloses a kind of based on AI dynamic proportioning's fungus mushroom residue fermentation ingredient control method and ingredient device, it is related to biological fermentation technical field.The application includes: S1: multi-modal data acquisition: by near infrared spectrometer, metal oxide semiconductor gas sensor array and microwave resonance moisture sensor, obtain cellulose / lignin spatial distribution, spoilage characteristic and humidity gradient;S2: parameter determination: according to target threshold value, the three-dimensional feature of original fungus mushroom residue pile and time sequence result, determine the optimal parameter;S3: adjustment control: according to the optimal solution, real-time adjustment is carried out to fermentation temperature, auxiliary material addition and aeration amount.The application combines spatial feature and time sequence data, realizes the digital twin modeling of fermentation process, simultaneously by the three-dimensional target space of composting degree-conversion rate-energy consumption constructed, in combination with K-means clustering algorithm and B spline curvature optimization, determine the optimal parameter, shorten the fermentation parameter adjustment response time.
Owner:ZHANGZHOU SANJU BIOTECHNOLOGY CO LTD

Water holding rate measuring method based on spiral annular microwave resonance sensor

The invention provides a spiral annular microwave resonance sensor and provides a water holding rate measuring method based on the spiral annular microwave resonance sensor, and the method comprises the following steps: respectively connecting a coaxial feeder line of the spiral annular microwave resonance sensor with an excitation port and a receiving port of a vector network analyzer; an observation window is formed in the inclined measuring pipe section, a high-speed camera used for obtaining the flow pattern of the flowing-through oil-water two-phase flow is arranged at the observation window, and a spiral annular microwave resonance sensor is installed at the downstream of the observation window; establishing a mixed dielectric constant model changing along with the water holdup under different flow patterns, wherein the mixed dielectric constant model is used for predicting the water holdup under the corresponding flow pattern according to the obtained mixed dielectric constant; solving a mixed dielectric constant based on the relationship between the resonant frequency and the mixed dielectric constant; and predicting the water holdup according to the mixed dielectric constant model which is identified by the high-speed camera and corresponds to the current flow pattern and changes along with the water holdup. The device and the method can realize the measurement of the water holdup of the oil-water two-phase flow under the complex flow pattern.
Owner:TIANJIN UNIV

Multi-stage electrostatic dust collection and self-cleaning method for printing-down machine

The invention discloses a multi-stage electrostatic dust collection and self-cleaning method for a printing down machine, which comprises the following steps of: dynamically pre-collecting dust, analyzing the characteristics of a material by terahertz spectrum, and generating turbulent flow by bionic fish scale-shaped flow deflectors; carrying out gradient electrostatic adsorption, and carrying out multi-stage electric field polarization, charging, particle adsorption, dust collection pole plate sensing monitoring, pulse blowback and polarity switching self-cleaning; activating plasma, generating radio frequency by a double-frequency generator to resonate with microwave, injecting mixed gas to activate, and monitoring spectrum in real time; intelligent vacuum suction, sensing and height adjustment of a silica gel suction nozzle, particle adhesion reduction through ultrasonic waves, temperature control through a micro-channel and vacuum degree adjustment through a variable frequency pump are achieved; and when the supercritical CO2 is used for cleaning and the efficiency is reduced, liquid CO2 is injected, supercritical fluid is formed through temperature rise and pressure rise, an auxiliary agent is added, stubborn pollutants are removed by virtue of a pulsed electric field, and CO2 is recycled. According to the invention, material self-adaptive processing, tracing and 5G remote operation and maintenance are realized through a terahertz spectrum analysis and control system, the quality control and fault response speed is improved, and the overall technical index reaches a leading level.
Owner:JINAN HUALIN COLOR PRINTING CO LTD

Method for manufacturing leaf cup based on microwave radiation carbonization treatment of leaves

The invention relates to the field of functional ceramic manufacturing, in particular to a method for manufacturing a leaf cup based on microwave radiation carbonization treatment of leaves. According to the method for carbonizing the decorative wood leaves based on microwave radiation, on the basis of a traditional wood leaf drying treatment method, microwave treatment is innovatively used for treating the wood leaves till carbonization, and the treatment mode is optimized based on electromagnetic loss of polar molecules of different wood leaves. According to the method, by accurately controlling conditions such as microwave resonant cavity atmosphere and microwave frequency curve, pyrolysis of the decorative wood leaf cellulose is treated until the carbonization degree and hardness of a leaf body are moderate. According to the decorative wood leaves treated through the method, clear vein textures can be more easily fired in the firing process of the wood leaf cup, the aesthetic characteristic is achieved, the process cost can be saved, and the firing yield is increased.
Owner:QILU UNIVERSITY OF TECHNOLOGY (SHANDONG ACADEMY OF SCIENCES)

Method and device for on-line monitoring of moisture in insulating oil of oil-filled equipment of a substation

This invention discloses a method and apparatus for online monitoring of moisture content in insulating oil of substation oil-filled equipment, relating to the field of power equipment condition monitoring technology. The method involves extracting insulating oil from the lower part of the oil-filled equipment, removing particulate impurities, and then diverting it via a four-way valve to three measurement units—microwave resonance, capacitive sensing, and infrared spectroscopy—to simultaneously detect moisture content. The detected insulating oil is then dehumidified and returned to the equipment. The control unit analyzes the three measurement results and automatically triggers a three-level treatment mode based on the moisture content, dynamically adjusting the output of the oil pump and dehydration unit. It also analyzes the source of moisture based on multi-dimensional parameters such as oil temperature, load, and ambient humidity. Simultaneously, the apparatus uses a mixed adsorbent of molecular sieve and activated alumina, along with a polyimide hollow fiber membrane, to reduce the moisture content of the insulating oil to below 5 ppm and 3 ppm, respectively. This invention achieves real-time online monitoring, intelligent diagnosis, and closed-loop automatic processing of insulating oil moisture, improving the equipment's insulation performance and operational reliability.
Owner:ELECTRIC POWER SCI RES INST OF STATE GRID XINJIANG ELECTRIC POWER CO LTD

Microwave irradiation area matching method and system

The invention discloses a microwave irradiation area matching method and a microwave irradiation area matching system, and relates to the technical field of intelligent energy regulation and control. Key parameters such as reflection and transmission power, three-dimensional temperature distribution, blood flow change, tissue moisture content and thickness of a target area are acquired in real time by combining a multi-mode acquisition device, and a comprehensive physiological response parameter set is constructed through multi-source signal fusion and inversion processing; calculating a tissue resonance response coefficient, judging a microwave resonance absorption state, and implementing an energy regulation strategy; a thermal response coupling coefficient is calculated, thermal effect response is evaluated, and an adjustment strategy is given; calculating a microcirculation improvement index and implementing corresponding adjustment; and finally, constructing an AI dynamic energy adjustment model by using a convolutional neural network to realize adaptive optimization of energy output. According to the method, multi-parameter real-time closed-loop regulation and control can be realized, the energy transfer efficiency and the microcirculation improvement effect are improved, and the method has the advantages of high precision, safety and personalized adaptation.
Owner:HUNAN CIHUI MEDICAL TECH CO LTD

Microwave resonant cavity and microwave plasma chemical vapor deposition device

The application discloses a microwave resonance cavity and a microwave plasma chemical vapor deposition device, wherein a convex top cover is arranged in a deposition chamber, and the convex top cover is arranged as a V-shaped convex platform or a W-shaped convex platform towards a deposition table, so that the microwave electromagnetic field in the resonance cavity can be improved, the electric field intensity at the top cover can be eliminated, plasma at the top cover can be avoided, the adverse effect of secondary plasma on diamond film growth can be eliminated, and the deposition of the diamond film is facilitated; and the resonance cavity with the conical deposition table can increase the electric field intensity and area on the tray, improve the microwave electromagnetic field in the resonance cavity, and then increase the plasma, improve the microwave energy utilization rate, and increase the deposition area and deposition speed of the diamond film.
Owner:ZHENGZHOU RES INST FOR ABRASIVES & GRINDING CO LTD +1

Microwave plasma reaction system

The utility model discloses a microwave plasma reaction system, including: frame, microwave resonance cavity, assembles on the frame, microwave source device, assembles to the microwave resonance cavity outer wall, is used for to microwave resonance cavity inside microwave feed -in, quartz tube, from top to bottom through microwave resonance cavity setting, it has the reaction section in microwave resonance cavity, gas inlet component, with one end of quartz tube intercommunication, is used for the gas into, assembly spare, be located in the quartz tube, along the axial direction of quartz tube and extend to the reaction section, needle body, be located in the reaction section, perpendicular the axial arrangement of quartz tube, set up a plurality of, a plurality of needle body assembly spare is arranged along the axial direction of quartz tube and arranges, blanking component, with another end of quartz tube intercommunication, is used for discharging processing material, the microwave plasma reaction system that the utility model proposes, through microwave energy to gas ionization, can high -efficient production plasma, to material processing effect is good.
Owner:QINGDAO MCW MICROWAVE INNOVATION TECH CO LTD

Device and method for detecting non-uniformly distributed water content of oil product based on microwave resonance technology

The invention belongs to the technical field of equipment for detecting water content of an oil product in a pipeline, and relates to a device and a method for detecting non-uniform distribution water content of an oil product based on a microwave resonance technology. The detection device comprises a microwave transmitting device, an MCU, an antenna, a pipeline, a detection device body and a microwave transmission line. The microwave transmitting device controls the D / A converter to input different voltage signals to the VCO through the MCU to generate microwave signals with different frequencies, and then the microwave signals are input into the antenna through the microwave transmission line. The whole antenna can be attached to a pipeline; a logarithmic detector of the detection device converts microwave signal power output by an antenna into a voltage signal, an MCU receives the voltage signal and transmits the voltage signal to a PC through a serial port, the PC can analyze and process data, and the water content of oil in a pipeline is obtained through characteristic frequency. The antenna of the device is small in size and easy to install, installation is simple and light, the water content of the oil product can be accurately detected, and the non-uniform water content in the pipeline can be measured in a real-time, online and non-contact mode.
Owner:JILIN UNIVERSITY

GFRP pipeline defect detection method and system based on microwave resonance

The invention discloses a GFRP pipeline defect detection method and system based on microwave resonance. The GFRP pipeline defect detection method based on microwave resonance comprises a hole defect detection step 1 and a joint bubble defect detection step 2, wherein the hole defect detection step 1 is specifically implemented as follows: step 11, a microwave resonance probe moves relative to a GFRP pipeline at a first preset resonant frequency; a first preset distance is kept between the microwave resonance probe and the surface of the GFRP pipeline in the moving process; and 12, continuously recording the measured value amplitude of the resonance peak S21 of the microwave resonance probe in the moving process. The GFRP pipeline defect detection method and system based on microwave resonance have the beneficial effects that whether hole defects exist or not is judged, and if the hole defects exist, the hole diameter and the hole depth of the hole defects are further output; and judging whether a joint bubble defect exists or not, and further outputting the type of the joint bubble if the joint bubble defect exists.
Owner:JIAXING SPECIAL EQUIP TESTING INST

Device for non-invasive substance detection

Disclosed is a device for transdermally detecting the concentration of one or more substances in a subject's bloodstream. The device includes a signal generation module arranged to generate microwave frequency signals at one or more discrete frequencies. The device also includes a sensor module comprising at least one microwave resonance sensor arranged to make contact with a subject's skin, the at least one microwave resonance sensor arranged to transmit microwave frequency signals generated by the signal generation module into the subject's body. The device also includes a signal processing module connected to the at least one microwave resonance sensor and arranged to: detect a resonance characteristic of the at least one microwave resonance sensor, and process the resonance characteristic to determine the concentration of one or more substances in a subject's bloodstream.
Owner:APPL MONITORING LTD

Polycarbosilane fiber crosslinking device

The utility model discloses a polycarbosilane fiber cross-linking device, which comprises an air inlet system, a cross-linking and heat treatment system and a control system, the air inlet system comprises an air inlet chamber, the air inlet chamber is communicated with a plurality of air inlet channels, a plurality of groups of first automatic heaters are arranged in the air inlet chamber, and a plurality of groups of second automatic heaters are arranged in the air inlet chamber. The cross-linking and heat treatment system comprises a closed treatment chamber, a gas outlet channel is communicated between the gas inlet chamber and the closed treatment chamber, a treatment platform used for placing polycarbosilane fiber bundles is arranged in the closed treatment chamber, a plurality of groups of second automatic heaters are arranged on the inner wall of the closed treatment chamber, and the second automatic heaters are communicated with the gas inlet chamber. A microwave resonant coupling emitter is also arranged on the inner wall of the closed treatment chamber. According to the crosslinking device for the polycarbosilane fibers, rapid, efficient and controllable crosslinking of the polycarbosilane fibers can be achieved at low temperature, meanwhile, chemical crosslinking agents are prevented from being used, and pollution to the environment is reduced.
Owner:FUJIAN LEADASIA NEW MATERIAL CO LTD

A method for measuring water holding rate based on spiral annular microwave resonance sensor

The application provides a spiral annular microwave resonance sensor and a water holdup rate measuring method based on the spiral annular microwave resonance sensor, and the method is as follows: coaxial feed lines of the spiral annular microwave resonance sensor are connected with an excitation port and a receiving port of a vector network analyzer respectively, an observation window is arranged on an inclined measuring pipe section, a high-speed camera for obtaining a flow pattern of the flowing oil-water two-phase flow is arranged at the observation window, and the spiral annular microwave resonance sensor is arranged downstream of the high-speed camera; a mixed dielectric constant model changing with the water holdup rate under different flow patterns is established, which is used for predicting the water holdup rate under the corresponding flow pattern according to the obtained mixed dielectric constant; the mixed dielectric constant is obtained based on the relationship between the resonance frequency and the mixed dielectric constant; and the water holdup rate is predicted according to the mixed dielectric constant model corresponding to the current flow pattern recognized by the high-speed camera and changing with the water holdup rate. The application can realize the water holdup rate measurement of the oil-water two-phase flow under a complex flow pattern.
Owner:TIANJIN UNIV

Microwave moisture content detection device with exhaust valve module

The invention belongs to the technical field of oil product moisture content online detection based on microwave technology, and relates to a microwave moisture content detection device with an exhaust valve module, which comprises a microwave emission source, a microwave resonance unit, a logarithmic detector, a D / A converter, a voltage-controlled oscillator and a microcontroller. The microcontroller controls the D / A converter to input different voltage signals to the voltage-controlled oscillator, the voltage-controlled oscillator generates microwave signals with different frequencies and inputs microwave frequency sweeping signals to the microwave resonance unit through the microwave transmission line, and then the logarithmic detector converts the microwave signals output by the microwave resonance unit into the voltage signals. The microcontroller carries out voltage collection and then transmits collected data to the upper computer through a serial port, and the water content of the oil product is obtained by analyzing and processing the data. The detection device is easy to install, low in cost and capable of detecting the low water content of the oil product on line in real time; the end face of the resonant cavity of the detection device can prevent bubbles from being mixed in the resonant cavity to affect oil product water content measurement; the oil inlet pipeline can primarily discharge bubbles.
Owner:JILIN UNIVERSITY

Single-molecule quantum bit device based on microwave resonance regulation and preparation method thereof

ActiveCN121390340BQuantum computersPorphyrin moleculeChemical physics
The present application relates to the technical field of microwave regulation, and particularly relates to a single-molecule quantum bit device based on microwave resonance regulation and a preparation method thereof.The quantum bit device takes a phenyl bridged copper-iron bis-porphyrin molecule or a phenyl bridged copper phthalocyanine-iron porphyrin molecule as a quantum bit functional molecule, and coordination metal ions in a main chain and a side chain of the molecule form a correlated ground state through anti-ferromagnetic coupling, the main chain metal ions play a function of stabilizing a spin environment, and the side chain metal ions serve as precise control sites, in a process of microwave-induced spin resonance, two spins are synchronously flipped to realize switching between 0 and 1; meanwhile, an entangled ground state formed by the main chain and the side chain can effectively block a tunneling electron inelastic scattering channel, inhibit spin flipping, and prolong spin lifetime, so as to maintain stability of a coherent state; the preparation method provided by the present application is simple to operate, reaction conditions are easy to control, and is helpful to scale production.
Owner:NANKAI UNIV

Microwave resonance sensor and sensitivity adjusting method thereof

The present application relates to a kind of microwave resonance sensor and its sensitivity adjustment method, belong to microwave resonance sensor design technical field, wherein, microwave resonance sensor includes in the two sides of metal plate respectively setting a microstrip arm, between two microstrip arms setting up and down left and right four open resonators, wherein, left and right two open resonators form capacitive coupling, and up and down two open resonators are used to strengthen capacitive coupling, the sensitivity adjustment method of microwave resonance sensor of the present application carries out circuit equivalence to each device in microwave resonance sensor, based on the transmission coefficient of microwave resonance sensor calculated after equivalent circuit, according to transmission coefficient, realize to microwave resonance sensor carries out sensitivity adjustment.The characteristic point detected by the microwave resonance sensor with four open resonators constructed in the present application significantly improves the amount of shift, to realize the high sensitivity, non-contact identification of solution.
Owner:SUZHOU UNIV

Electron cyclotron resonance ion source

ActiveCN121038083APlasma techniqueElectron cyclotron resonanceMicrowave resonance
An electron cyclotron resonance ion source disclosed by the present invention comprises a plurality of microwave transmission modules, a plurality of microwave resonant cavities, a plasma generation chamber and a magnetic field module, each microwave transmission module comprises a microwave source, an impedance matcher and a waveguide, the microwave sources are used for generating and emitting microwaves, the frequencies of the microwaves generated by the plurality of microwave sources are the same or different, inlets of the waveguides are connected with the microwave source, outlets of the waveguides are connected with the microwave resonant cavities, each waveguide is correspondingly connected with one microwave resonant cavity, the impedance matchers are used for adjusting the frequency and standing waves of microwaves and achieving impedance matching of microwave feed-in, and an inlet of the plasma generation chamber is connected with outlets of the microwave resonant cavities. Free electrons are formed at the boundaries of the plasma generation chamber and the microwave resonant cavities, and the magnetic field module is used for generating a magnetic field, so that the free electrons do spiral motion in the plasma generation chamber and collide with background gas introduced into the plasma generation chamber to generate plasma. Multi-frequency microwave feed-in can be realized, and the uniformity of plasmas is improved.
Owner:QINGDAO SIFANG SRI INTELLECTUAL TECHNOLOGY CO LTD

Dual-mode composite energetic material out-of-cavity active regulation and control ignition system

A dual-mode composite energetic material out-of-cavity active regulation and control ignition system comprises an electric control displacement platform, an upper computer, a vector network analyzer, a microwave signal source, a power amplifier, a directional coupler and a power measurement and display unit, and the electric control displacement platform is connected with a high-temperature-resistant vessel and a microwave resonant cavity. The microwave resonant cavity comprises a metal outer cavity, the metal outer cavity is a hollow cylinder with an opening in the lower end, a bottom cover with a hole is arranged at the lower end opening of the metal outer cavity, the bottom cover with the hole is of an annular shutter structure with an opening in the center, a center probe is further coaxially arranged in the metal outer cavity, and the center probe penetrates through the center opening of the bottom cover with the hole from inside to outside and extends outwards. Switching of two ignition mechanisms is realized by regulating and controlling microwave parameters and ignition areas, and the ignition process suitable for most composite energetic materials is realized; the method can be used for research, development and verification of novel energetic materials and quality detection and real-time ignition of solid rocket propellants, and has very important military application value and scientific research value.
Owner:XIAN MODERN CHEM RES INST