101 results about "Microwave resonance" patented technology

The invention provides an active regulation and control device for a microwave resonant cavity based on Rydberg atoms. The microwave resonant cavity comprises a protective shell, an atomic gas chamber and a photoelectric detector, the active regulation and control device comprises a PID control module and piezoelectric ceramics, the PID control module is used for processing a received EIT transmission spectrum signal after generating a modulation signal to carry out atomic resonant frequency scanning on the atomic gas chamber, obtaining a target resonant frequency through a current feedback zero crossing point corresponding to an EIT transmission spectrum valley bottom value, and generating a deviation correction signal; and the piezoelectric ceramic is used for adjusting the length of a protective shell of the microwave resonant cavity according to the received correction signal, so that the atomic resonant frequency is locked as the target resonant frequency. The invention further provides an active regulation and control method for the microwave resonant cavity based on the Rydberg atoms. According to the invention, the resonant frequency of the microwave resonant cavity can be rectified in real time, and the optimal and most stable resonant mode of the local oscillation microwave frequency responding to atoms is kept.

The invention provides a remote plasma source device and thin film deposition equipment, the remote plasma source device comprises a microwave assembly and a resonant cavity, and the microwave assembly is used for conducting microwaves; one end of the resonant cavity is connected with the microwave assembly, the resonant cavity is provided with a resonant cavity, an air inlet and an air outlet, the resonant cavity is located in the resonant cavity, and the resonant cavity is communicated with the microwave assembly, the air inlet and the air outlet; wherein target gas enters the resonant cavity through the gas inlet, microwaves enter the resonant cavity through the microwave assembly and ionize the target gas, and the ionized target gas flows out through the gas outlet. The remote plasma source device is designed by adopting a microwave resonance principle, and microwaves have high frequency, so that the remote plasma source device has a very wide working pressure range, the process suitability of the remote plasma source device is improved, and the remote plasma source device can be applied to different process conditions, especially some middle and high pressure process conditions. The remote plasma source device can efficiently ionize target gas, and the film deposition efficiency is improved.

The invention discloses a method for detecting cold welding defects of a hot-melt joint of a polyethylene gas pipeline based on microwave resonance, which comprises the following steps of: S1, placing a scanning seat loaded with a microwave resonance probe on the outer surface of a to-be-detected pipeline, so that the distance between a point focusing antenna and the pipe wall of the pipeline is equal to the focal point of the antenna; s2, the probe conducts two-dimensional scanning in the circumferential direction and the axial direction of the pipeline, so that a laser positioner on a scanning base obtains coordinate information of the position of the probe. The method for detecting the cold welding defect of the polyethylene gas pipeline hot-melting joint based on microwave resonance has the beneficial effects that whether the change degree of the resonance curve exceeds the preset interval or not is judged specially aiming at the polyethylene gas pipeline hot-melting joint, so that whether the polyethylene gas pipeline hot-melting joint has the cold welding defect or not is accurately judged; and the specific position where the cold welding defect exists can be further indicated.

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.

The invention belongs to the technical field of road maintenance, and discloses a road concrete pavement layer self-adaptive crushing method based on microwave-assisted resonance, and the specific technical scheme is as follows: a microwave heating device is used for pretreating a cut and divided crushing area, and a concrete layer is weakened through a heating effect of microwave radiation to realize separation of a pavement layer; when it is judged that the temperature of the concrete in the heating area reaches the needed temperature through the thermal infrared imager, the inherent frequency of the concrete is calculated, a calculation result is fed back to the resonance crushing device, and the resonance crushing device enables the pavement layer to generate forced vibration to be crushed by generating excitation frequency; the novel method for crushing the concrete pavement layer based on microwave-resonance energy coupling has the characteristics of being accurate, controllable, efficient, applicable to multiple scenes and the like, and can be matched with an acoustic emission system to realize closed-loop control of concrete crushing, so that the working environment of the concrete pavement layer is greatly improved, and the service life of the concrete pavement layer is prolonged. And the maintenance frequency of the equipment is greatly reduced while the crushing efficiency is improved.

The present application relates to an atomizer (10) and an electronic atomizing device (100). The atomizer (10) includes an atomizing assembly (20) having a conveying passage (21) and a microwave resonant cavity (23) formed therein, the conveying passage (21) configured to accommodate an aerosol-generating substrate, at least a portion of the conveying passage (21) communicating with the microwave resonant cavity (23) to form an atomization region, and a transmission assembly (40) at least a portion of which enters the conveying passage (21) and is controlled to drive the aerosol-generating substrate to move within the conveying passage (21). The conveying passage (21) has an atomization region, which communicates with the microwave resonant cavity (23) and is located in the movement path of the aerosol-generating substrate, and the aerosol-generating substrate can be pushed by the transmission assembly (40) to move along its axial direction. During the entire atomization process, the non-atomized part of the aerosol-generating substrate is constantly transported to the atomization area, so that the material and dielectric properties of the aerosol-generating substrate in the atomization area are nearly consistent during different periods, and the inhalation sensation of atomization can always be consistent.

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.

The invention relates to a VOCs purification device based on an enrichment catalysis coupling microwave integrated technology, the VOCs purification device comprises an air inlet, a flip slide bar device and an overall shell, the lower part of the flip slide bar device is connected with the overall shell, and the upper part of the flip slide bar device is connected with the air inlet; a supporting frame is arranged at the bottom end in the overall shell, a stepping motor is arranged in a square groove position in the bottom of the supporting frame, and a three-rotation gear disc oil seal mechanism is arranged in a circular groove position in the top of the supporting frame. A thrust bearing is further arranged in the overall shell, and a rotating wheel cavity is formed above the thrust bearing. The upper part of the runner cavity is connected with a clean gas pipeline; the lower part of the base is connected with a three-spin gear disc oil seal mechanism; a microwave resonance shell is fixedly connected to the side face of the overall shell, and a microwave emission box is arranged on the microwave resonance shell. And a paint mist filter is arranged above the clean gas pipeline in the overall shell. Compared with the prior art, the device has the advantages that industrial waste gas can be directly absorbed, and purification of VOCs is completed under automatic control.

The invention discloses a direct current comparator for quantum magnetic balance monitoring and a method thereof, and the method is characterized in that the method comprises the following steps: employing a diamond NV color center as a quantum magnetic sensor, so as to read an initial fluorescence signal outputted by the quantum magnetic sensor; feeding the initial fluorescence signal back to a microwave source and a secondary winding side of a proportion coil, adding microwave resonance frequency to the diamond NV color center by using the microwave source, and adding a feedback modulation magnetic field to the diamond NV color center by using the proportion coil; a fluorescence signal of the diamond NV color center under the action of the feedback modulation magnetic field is collected, and the state of the to-be-detected direct current input into the proportion coil is analyzed based on the fluorescence signal intensity. The problems of leakage flux errors, ampere-turn balance errors, feedback control errors and the like in the prior art are solved, the accuracy and stability of current measurement are remarkably improved, and the requirements of high-precision current measurement and calibration are met.

The invention discloses a detection and monitoring system for fault early warning in use of an insulating sling, relates to the technical field of electrical safety and intelligent monitoring, and is used for solving the problem that an internal progressive deterioration trend cannot be captured. A microwave resonance signal in the sling is obtained, the resonant frequency offset of each layer is extracted based on spectral decomposition, and a humidity distribution result is inversed and fed back in combination with a dielectric property database, and is used for setting a monitoring period and collecting operation data; a key area is screened based on a humidity diffusion coefficient, an evaluation area of which the risk level needs to be improved is identified by using a weighted average method, and the risk weight is calculated and the early warning time is set through a nonlinear model in combination with the physical attribute and the diffusion coefficient of the area, so that the early identification and dynamic early warning of the hidden fault of the sling are realized, and the safety and the monitoring precision are effectively improved. And the sudden failure risk is reduced.

The household garbage sorting and resource utilization integrated system comprises a double-shaft crusher, a semi-magnetic roller is arranged in the center of the lower end of the double-shaft crusher, a slope conveying frame is arranged on the front side of the lower end of the semi-magnetic roller, and the front end of the slope conveying frame is connected with a low-temperature hot-pressing assembly; a microwave resonance drying assembly is arranged at the lower end of the low-temperature hot-pressing assembly, an eddy current sorting machine is arranged at the lower end of the microwave resonance drying assembly, and a high-temperature hot-pressing assembly is arranged on the lower side of the rear end of the eddy current sorting machine. And the utilization rate of resources is improved.

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.

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.

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.

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.

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.

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.

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.

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.

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.

The invention discloses a gapless condition photoacoustic signal transmission system and transmission method based on a microcavity resonator. The transmission system comprises a sound signal amplification and emission device used for converting and transmitting optical signals, and a sound receiving and sound-light conversion device used for receiving the sound signals and converting the sound signals containing transmission information into optical signals again for transmission. The sound signal amplifying and transmitting device and the sound receiving and sound-light conversion device are respectively arranged on two sides of the gapless transmission medium; the sound signal amplification and emission device comprises a microwave resonance assembly and a sound wave amplifier, the microwave resonance assembly can significantly enhance the interaction between light waves and a medium, the conversion efficiency of photoacoustic signals is greatly improved, the light waves in a microcavity can be stronger coupled with the medium in a small space, and the detection accuracy of the photoacoustic signals is improved. Therefore, photoacoustic signals are effectively amplified, the problem of low efficiency caused by energy loss in a traditional system is reduced, stable signal transmission under the gapless condition is achieved, and the problem that traditional optical fiber transmission is limited is solved.

The invention discloses a microwave resonance detection device and a microwave resonance detection method for synchronously measuring the moisture content and the bulk density of a material, and belongs to the technical field of microwave application. The microwave resonance detection device comprises a sample cavity, a resonant cavity, a discharging device, a temperature sensor, a signal processing module and a display unit; a microwave signal is generated through the signal processing module, is coupled to the resonant cavity through the sending probe and is received by the receiving probe after interacting with a sample, and the resonant frequency and power attenuation are detected by the reference detector and the signal detector in the signal processing module. The temperature of a sample is detected by the temperature sensor positioned in the sample groove, a signal is analyzed by the signal processing module, a function relation is established, and synchronous measurement of the moisture content and the bulk density of a measured material is realized. The measurement precision of the microwave moisture content and bulk density detection device is improved, the measurement result is not influenced by temperature, and rapid and high-precision detection of materials such as particles and powder is realized.

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.

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.

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.

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.

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.

A high-temperature multi-atmosphere microwave energy grinding equipment and method belongs to the technical field of high-temperature grinding equipment and methods, and is used to study the wear resistance of dielectric materials. The technical scheme is: microwave sources are respectively arranged on the upper, lower and rear sides of the outer wall of the multi-mode microwave resonance chamber, the power mechanism and the clamping mechanism are respectively installed on the left and right sides of the multi-mode microwave resonance chamber, and a microwave heating rotary grinding device is arranged in the multi-mode microwave resonance chamber. The left side of the microwave heating rotary outer jacket of the microwave heating rotary grinding device is connected to the power mechanism, and the right side is connected to the clamping mechanism. The grinding chamber is located in the microwave heating rotary outer jacket, and the vacuuming mechanism and the ventilation mechanism are respectively connected to the multi-mode microwave resonance chamber, and the furnace door is installed in front of the multi-mode microwave resonance chamber. The present invention can realize the measurement of the wear parameters of dielectric materials under the conditions of electromagnetic waves, high temperature, multi-atmosphere and high-speed rotation, and provides scientific data for the performance research of major engineering materials, which is highly innovative and practical.

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.

The invention relates to a microwave resonance type liquid flowmeter based on a three-capacitor structure, and belongs to the technical field of microwave sensors. The microwave resonance type liquid flowmeter is formed by establishing the heating unit at the front end, the sensing unit at the middle end and the waste liquid collecting device at the rear end, the dielectric constant of liquid can be changed through the heating effect of the front heating unit, and then the capacitance value in the sensing unit is changed; according to the three-capacitance microwave resonator, the flow or the flow velocity of fluid can be detected by measuring the change of the resonant frequency, the problems of low sensitivity, low resolution and the like of a traditional sensor can be solved, and the flowing state information of the liquid can be accurately obtained by monitoring the resonant frequency of the three-capacitance microwave resonator and analyzing data.