1824 results about "Grounding electrodes" patented technology

The embodiment of the invention provides an electro-optical modulator and a light quantum computer. The electro-optical modulator comprises an electrode assembly and an optical waveguide assembly. The electrode assembly comprises a positive signal electrode, a negative signal electrode, a first grounding electrode and a second grounding electrode, and the positive signal electrode and the negative signal electrode are arranged between the first grounding electrode and the second grounding electrode. The optical waveguide assembly is configured to bear optical signals and comprises a first optical waveguide and a second optical waveguide, the first optical waveguide is located between the positive signal electrode and the negative signal electrode and used for bearing first optical signals, and the second optical waveguide is located between the first grounding electrode and the positive signal electrode or between the second grounding electrode and the negative signal electrode and used for bearing second optical signals. The carrier is used for bearing second optical signals. Constant-amplitude voltage signals with opposite phases are applied to the positive signal electrode and the negative signal electrode which are tightly coupled, so that the modulation efficiency can be improved, and the common-mode noise can be reduced.

The invention discloses a plasma-enhanced direct-injection type liquid ammonia atomizing nozzle and a liquid ammonia combustor, and belongs to the field of liquid fuel combustion. The plasma-enhanced direct-injection type liquid ammonia atomizing nozzle comprises a liquid ammonia channel, a compressed air channel, an atomizing channel, a secondary air channel and a heating assembly, wherein the outlet end of the compressed air channel and the outlet end of the liquid ammonia channel are both communicated with the atomizing channel; the heating assembly comprises a high-voltage electrode, a ground electrode and a central air channel, the ground electrode is arranged on the outer side of the high-voltage electrode, and an outlet of the central air channel faces a discharge area formed by the high-voltage electrode and the ground electrode; a discharge area formed by the high-voltage electrode and the ground electrode is close to the liquid ammonia channel; a ground electrode hole is formed in the position, close to the liquid ammonia channel, of the ground electrode. Self-evaporation of preheated liquid ammonia is achieved through small plasma flames, efficient atomization of large-flow liquid ammonia is achieved, and consumption of atomization media is reduced while stable combustion is achieved.

An antenna module includes a dielectric substrate, a ground electrode disposed in the dielectric substrate, flat-plate-shaped radiating elements, feed lines, and a via electrode connected to the ground electrode. The radiating element is disposed opposite the ground electrode in the dielectric substrate. The radiating element is disposed between the radiating element and the ground electrode. The feed line extends through the radiating element and transmits a radio-frequency signal to the radiating element. The feed line transmits a radio-frequency signal to the radiating element. The feed line is electrically coupled to the radiating element at a position offset from a center of the radiating element in a first direction. The feed line is electrically coupled to the radiating element at a position offset from a center of the radiating element in a second direction different from the first direction.

An ozone generating cell includes a corona discharge chamber with a curved side wall. The cell includes a high-voltage electrode, a ground electrode, and a dielectric material positioned between the high-voltage electrode and the ground electrode. The cell includes a gas channel formed between the dielectric material and the ground electrode. The channel has a first end in fluid communication with a gas opening in the dielectric material, which is in fluid communication with a gas port. The channel has a second end in fluid communication with another gas port. The channel further includes multiple concentric segments between the first and second ends of the channel.

The invention provides an electro-optical modulator and an optical transmitter, the electro-optical modulator comprises a first branch waveguide, a second branch waveguide and a radio frequency electrode, the radio frequency electrode comprises a first ground electrode, a first signal electrode, a second ground electrode, a second signal electrode and a third ground electrode which are sequentially arranged at intervals, the first signal electrode and the second signal electrode are configured to receive a driving signal, the first branch waveguide and the second branch waveguide are respectively located in a spacing area between any two adjacent electrodes in the radio frequency electrodes, and the directions of electric fields at the positions of the first branch waveguide and the second branch waveguide are opposite.

The invention discloses a coast grounding electrode arrangement optimization method and device based on a multi-layer soil structure, terminal equipment and a storage medium. The method comprises the following steps: acquiring coast soil resistivity, seawater resistivity and coastline slope of different horizontal layers and initial arrangement schemes of each coast grounding electrode; simulating and calculating the earth surface maximum step voltage of the coast grounding electrode and the current density of each grounding electrode feed rod under each coast grounding electrode arrangement scheme through the grounding electrode soil simulation model; calculating the correlation coefficient of the two, and calculating the weight coefficient of the current density of each grounding electrode feed rod based on the correlation coefficient; selecting a coast grounding electrode arrangement scheme to calculate an adjustment coefficient; and adjusting the optimization scheme based on the adjustment coefficient to obtain a coast grounding electrode arrangement scheme meeting the requirements. By implementing the method, the coast grounding electrode arrangement scheme can be adjusted and optimized, so that the coast grounding electrode arrangement scheme meeting the requirements is obtained.

The invention belongs to but is not limited to the technical field of gas insulated transmission lines, and discloses a GIL three-pillar grounding electrode copper / graphite system performance optimization method and a GIL three-pillar grounding electrode copper / graphite system performance optimization system. The copper / graphite grounding electrode material is prepared based on a plasma sintering technology, the microstructure morphology, the wear resistance, the conductivity, the Vickers hardness, the heat conductivity and the density of the copper / graphite grounding electrode material are tested, and all the properties of the material are comprehensively evaluated by adopting a radar map evaluation method, so that the grounding electrode material has the considerable conductivity and also has the good wear resistance; a series of equipment faults caused by insufficient wear resistance are reduced, and the optimization of the comprehensive performance of the grounding electrode is realized.

An antenna module includes a dielectric substrate having a multilayer structure, a power supply element and a ground electrode (GND) disposed in or on the dielectric substrate, a parasitic element, a power supply wiring line, and first and second stubs to be connected to the power supply wiring line. The parasitic element is disposed in a layer between the power supply element and the ground electrode (GND). The power supply wiring line passes through the parasitic element and supplies radio frequency power to the power supply element. The first stub is connected to a position different from a connection position of the second stub in the power supply wiring line.

The present invention discloses a wireless ultrasonic measurement system and a construction method thereof, wherein the measurement system includes a sensing module and a detection module; the sensing module includes a piezoelectric layer on the surface of the detection object, a first lead-out electrode structure, a first grounding electrode structure, a first insulating plate, and a sensing coil; the first insulating plate is provided with a first opening; the first lead-out electrode structure includes a first lead-out electrode on the top of the piezoelectric layer and a second lead-out electrode in the first opening; the first grounding electrode structure includes a first grounding electrode and a second grounding electrode; the second lead-out electrode and the second grounding electrode are respectively connected to the first lead-out electrode and the first grounding electrode; the sensing coil is provided at the top of the first insulating plate. The detection system of the present invention uses an insulating plate to isolate the sensing coil away from the surface of the detection object, which is conducive to the sensing coil generating a non-zero induced voltage U ind , thereby enhancing the signal of the receiving coil, and realizing contactless ultrasonic signal reception with a receiving distance of up to 20mm.

The invention provides a magnetization capacitance coupling plasma discharge system and a calculation model and a calculation method thereof in the technical field of plasmas, the plasma discharge system comprises a vertical cylindrical hollow closed cavity, and the cavity is filled with argon; a circular driving electrode is coaxially arranged at the top of the cavity, and a circular grounding electrode is coaxially arranged at the bottom of the cavity; three electromagnetic coils are coaxially arranged around the periphery of the chamber at intervals from top to bottom; a radio frequency voltage is applied between the grounding electrode and the driving electrode, so that argon in the chamber can be subjected to discharge ionization to generate plasma; and excitation current is introduced into the three electromagnetic coils for generating an external magnetic field in the chamber, so that the density of plasma generated by argon ionization in the chamber can be improved. The magnetization capacitance coupling plasma discharge system provided by the invention can optimize the property of the plasma, improve the density and performance of the plasma, and better provide a basis for the improvement of a plasma process technology.

The invention discloses a device for converting biomass tar by coupling plasma multi-mode with a catalyst. A plasma reactor of the device comprises a coaxial DBD body discharge structure and a structural catalyst channel internal discharge structure; the alternating-current high-voltage electrode bar, the dielectric tube and the ground electrode form coaxial DBD body discharge in an inner cavity of the dielectric tube; catalyst particles in the inner cavity of the medium tube and the structural catalyst form voltage difference at the upper end and the lower end of the structural catalyst under the combined action of an alternating-current electric field and a direct-current electric field to form discharge in a structural catalyst channel; and meanwhile, gas which flows upwards from the structural catalyst and is activated by the plasma enables catalyst particles to be in a fluidized state, and interaction between the catalyst and the plasma is realized by combining coaxial DBD discharge. The whole reaction efficiency is improved by combining direct-current and alternating-current dual-power-supply driving and fluidized bed and packed bed two-mode coupling catalysts, rapid and efficient tar treatment can be achieved, and operability and economical efficiency of the tar treatment process are improved.

An exemplary electrode lead includes a flexible body formed of a flexible insulating material and that comprises a fantail region that connects to a cochlear implant configured to be implanted within a recipient and that extends to a ground electrode located toward a proximal end of the electrode lead, an electrode contact disposed on a side of the flexible body, a coiled electrode wire provided within the flexible body so as to extend along a length of the flexible body and electrically connect the electrode contact to a signal source, and a coiled reinforcing element provided within the flexible body so as to extend together with the coiled electrode wire along the length of the flexible body. The coiled reinforcing element may only be provided within a proximal portion of the electrode lead. Corresponding methods of manufacturing an electrode lead are also described.

An optical device includes a silicon substrate, a waveguide formed of a thin film that is laminated on the silicon substrate and that is made of a perovskite oxide with a large electro-optic effect as compared to lithium niobate, and a cladding layer that covers the waveguide. Further, the optical device includes ground electrode that has a ground potential and a signal electrode that is arranged at a position facing the ground electrode and that applies driving voltage to the waveguide.

The present invention discloses a breast cancer detection sensor, a detection device, and a signal acquisition method, which belong to the field of medical detection. The technical key points are: comprising: a conical chamber, a circumferential electrode, an array electrode, and a handle; wherein a layer of circumferential electrodes and two layers of array electrodes are arranged on the inner surface of the conical chamber; wherein the circumferential electrode is arranged at the opening end of the conical chamber, and the circumferential electrode is a grounding electrode. The present invention aims to provide a breast cancer detection sensor, a detection device, and a signal acquisition method to achieve accurate imaging of the relevant lesion area.

The invention discloses an interference suppression measurement method for a grounding resistor, and relates to the technical field of interference resistance, and the method comprises the steps: injecting a detection current into a grounding electrode, and synchronously collecting an original voltage signal at two ends of the grounding electrode and a time domain waveform of the detection current; performing time domain segmentation on the original voltage signal, performing linear frequency modulation wavelet transform on the signal in each time period, generating an initial time-frequency matrix, extracting a time-frequency ridge line from the initial time-frequency matrix, identifying interference information, obtaining an interference-removed time-frequency matrix, optimizing the interference-removed time-frequency matrix through robust kernel principal component analysis, and obtaining an interference-removed time-frequency matrix; a synchronous redistribution operator is used for carrying out signal purification, a pure time-frequency matrix is obtained, linear frequency modulation Z transformation is carried out on the pure time-frequency matrix, voltage amplitude and frequency are extracted, an energy centroid method is used for correcting the voltage amplitude and frequency, interference can be effectively restrained, and the grounding resistance measurement precision is remarkably improved.

The invention discloses efficient metal grounding electrode production equipment, and relates to the technical field of metal material manufacturing, the efficient metal grounding electrode production equipment comprises a feeding table, a feeding mechanism is arranged on the upper portion of the feeding table, the feeding mechanism comprises a discharging groove formed in the upper portion of the feeding table, a plurality of grounding electrode raw material bodies are placed in the discharging groove, and a pushing groove is formed in the upper portion of the feeding table; the upper portion of the feeding table is rotationally connected with a first rotating shaft, the first rotating shaft is fixedly connected with a connecting rod, the side, away from the first rotating shaft, of the connecting rod is slidably connected with a second connecting plate, and the side, close to the discharging groove, of the second connecting plate is fixedly connected with a first connecting plate. The first rotating shaft rotates to finally drive the push rod to slide in the push groove in a reciprocating mode, meanwhile, automatic feeding is achieved under the action of the spring and the push plate, the feeding number of each time is kept consistent, the operation time of traditional manual continuous auxiliary feeding is shortened, and the production efficiency is greatly improved.

The invention provides a cable fault arc temperature distribution calculation method based on multi-physics field coupling, and the method comprises the steps: building a cable fault arc simulation model; setting boundary conditions of multi-physics field coupling of an electric field equation, a magnetic field equation, a fluid heat transfer equation and a laminar flow equation for the cable fault arc simulation model; the arc temperature distribution is obtained by controlling the voltage and current parameters of the arc simulation loop, the distance between the copper core conductor and the grounding electrode and the air velocity. A cable fault arc simulation model is built, high risks of electric shock and explosion in laboratory tests are avoided, the loss cost of laboratory test equipment is reduced, the defect that only the peripheral temperature of the arc can be measured in the laboratory tests is overcome through a multi-physics field coupling equation, and global continuous arc temperature data are obtained. And a theoretical basis is provided for power system protection design, cable laying optimization, fire-fighting strategy formulation and cable fire risk assessment.

According to the Y-type thin-film lithium niobate electro-optical modulator and the manufacturing method provided by the invention, the lithium niobate layer on the electro-optical modulator chip is etched into the corresponding bent waveguide structures, and the two bent waveguide structures are symmetrically arranged on the two sides of the Y-type waveguide structure, so that the height consistency of two optical paths is ensured; according to the bent waveguide structure, the length of the waveguide is guaranteed, meanwhile, the size of the space occupied by the waveguide is reduced, the waveguide with the same length can be carried by adopting a chip with smaller length, and meanwhile, the signal electrode and the ground electrode are arranged on the two sides of each section of straight waveguide in the bent waveguide structure, so that the size of the waveguide is reduced. The optical signal in the waveguide is modulated, and the modulation requirement of the electro-optical modulator is met.

The application discloses a six-pole ring plasma generating device for sterilization and disinfection, which is composed of a plasma generating area, a plasma activated water storage area and a plasma special power supply; the plasma generating area is composed of a fan, a single-pole high-voltage electrode column, a quartz tube, a six-pole grounding electrode column and a ring electrode fixing plate; the upper side wall of the plasma generating area is provided with a circular air hole in the center; the plasma activated water storage area is located below the plasma generating area and communicates with the plasma generating area; the left side wall of the plasma activated water storage area is provided with a circular water injection hole in the center, and the front side communicates with a water faucet. Gas enters the plasma generating area through the circular air hole and generates plasma under the action of high voltage. The gas carrying the plasma enters the plasma activated water storage area, so that ordinary water is changed into plasma activated water, and the plasma activated water can be taken through the water faucet.

The invention provides a dielectric barrier discharge reactor with a double-dielectric coating structure, which belongs to the technical field of plasma discharge and dielectric engineering and comprises a DBD (dielectric barrier discharge) power supply, a gas supply and flow control module and a coaxial DBD reactor body. The body is of a coaxial hierarchical structure, a coaxial high-voltage electrode is arranged on the inner side of a hollow quartz tube, a first dielectric layer and a second dielectric layer are attached to and wrap the outer side of the hollow quartz tube to form a radial dielectric constant gradient, a grounding electrode wraps the second dielectric layer, and the two axial ends of the grounding electrode are sleeved with hoops to be clamped and fixed. Two ends of the quartz tube are hermetically connected with PTFE joints with air inlets and air outlets; the DBD power source is electrically connected with the high-voltage electrode through a high-voltage wire, and the gas supply and flow control module is communicated with the PTFE connector through a pipeline. The invention solves the problems of large energy loss and poor discharge stability caused by easy uncontrollable micro-gap between the external electrode and the dielectric tube of the existing dielectric barrier discharge reactor, and is suitable for the scenes of ozone generation, surface modification, plasma catalysis and the like.

The invention discloses a bearing boat and semiconductor process equipment, and relates to the field of photovoltaics and semiconductors. A bearing boat comprises a supporting assembly and a plurality of heating plates. The multiple heating plates are arranged on the supporting assembly in a stacked mode, and a containing space is formed between every two adjacent heating plates; the plurality of heating plates comprise at least one radio frequency electrode plate and at least one grounding electrode plate, and the radio frequency electrode plates and the grounding electrode plates are alternately arranged. The problems of long preheating time, uneven preheating and the like at least can be solved.

According to the grounding resistance reducing device of the oil-immersed transformer and the using method of the grounding resistance reducing device, the grounding resistance reducing device is arranged on one side of a body of the oil-immersed transformer, the oil-immersed transformer is provided with a grounding wire, the grounding wire is connected with a grounding electrode inserted into the ground, and a resistance reducing device is arranged over the grounding electrode. The resistance reduction device comprises a rainwater collection pool located on the ground, a conductive material chamber arranged in the rainwater collection pool and a plurality of liquid distribution pipes communicated with the rainwater collection pool, the liquid distribution pipes are inserted underground and located around the grounding electrode, a plurality of liquid outlet holes facing the grounding electrode are formed in the liquid distribution pipes, and soil monitoring units are arranged on the lower portions of the liquid distribution pipes; a first automatic discharging valve is arranged on the lower portion of the rainwater collecting pool, a water level monitoring unit is arranged in the first automatic discharging valve, the first automatic discharging valve is provided with a liquid outlet located in the lower portion, and the upper portions of the liquid distribution pipes are all communicated with the liquid outlet. Rainwater in the rainwater collecting pool is discharged through the first automatic discharging valve, and the rainwater flows to the position near the grounding electrode through the multiple liquid distribution pipes, so that the conductivity of soil is improved.

The present invention discloses a plasma-enhanced direct-injection liquid ammonia atomizing nozzle and a liquid ammonia burner, which belong to the field of liquid fuel combustion. The plasma-enhanced direct-injection liquid ammonia atomizing nozzle comprises a liquid ammonia channel, a compressed air channel, an atomizing channel, a secondary air channel and a heating component, wherein the outlet end of the compressed air channel and the outlet end of the liquid ammonia channel are both connected to the atomizing channel; the heating component comprises a high-voltage electrode, a ground electrode and a central air channel, the ground electrode is arranged on the outside of the high-voltage electrode, and the outlet of the central air channel faces the discharge area formed by the high-voltage electrode and the ground electrode; the discharge area formed by the high-voltage electrode and the ground electrode is close to the liquid ammonia channel; a ground electrode hole is arranged on the ground electrode near the liquid ammonia channel. The present invention realizes the self-evaporation of the preheated part of the liquid ammonia through a small plasma flame, realizes the efficient atomization and stable combustion of large-flow liquid ammonia, and reduces the consumption of the atomizing medium.

The utility model discloses a special connecting device for a grounding electrode of a high-density electrical method tester, which relates to the technical field of grounding devices and comprises a wire body assembly, the wire body assembly comprises a multi-core cable and a grounding rod, the outer side of the wire body assembly is fixedly connected with an installation assembly, and the top end of the wire body assembly is slidably connected with a line protection assembly. The wire body assembly is internally provided with a water seepage assembly, the installation assembly comprises an elastic sheet, the interior of the elastic sheet is fixedly connected to the outer side of the grounding rod, and the outer side of the elastic sheet is fixedly connected with a buckle. According to the utility model, the connection between the grounding rod and the mounting seat is still stable, the occurrence of a loosening condition can be effectively prevented, the anti-pulling capability of the cable is effectively increased, the service life of the connecting wire is prolonged, the grounding rod is ensured to maintain good electric contact under a dry condition, and the test accuracy is effectively improved.

A filter device includes a dielectric substrate, first and second ground electrodes connected to a ground terminal, and resonators between the ground electrodes and electromagnetically coupled to each other. The ground electrodes are at different positions in a normal direction of the dielectric substrate. Each of the resonators includes a first capacitor electrode partially overlapping with the first ground electrode in plan view of the dielectric substrate, a second capacitor electrode partially overlapping with the second ground electrode in plan view of the dielectric substrate, and a via connecting the capacitor electrodes. The resonators include a first resonator connected to an input terminal, a second resonator connected to an output terminal, and a third resonator between the first and second resonators. Shunt electrodes are connected to the via and the ground terminal in the first and second resonators, respectively.

A reflecting device includes a plurality of first patch electrodes, a plurality of second patch electrodes having a size different from a size of the first patch electrodes, a ground electrode opposing the plurality of first patch electrodes and the plurality of second patch electrodes and separated from the plurality of first patch electrodes and the plurality of second patch electrodes, and a liquid crystal layer between the plurality of first patch electrodes and the plurality of second patch electrodes and the ground electrode, wherein the plurality of first patch electrodes and the plurality of second patch electrodes are arranged alternately in a first direction or a second direction intersecting the first direction, and each first patch electrode is adjacent to each second patch electrode in the first direction or the second direction.

The utility model discloses an ultrasonic transducer and an ultrasonic detector. The ultrasonic transducer comprises excitation electrodes, a piezoelectric piece, a grounding electrode and a first packaging layer, the excitation electrodes extend in the first direction and are arranged at intervals in the second direction, each excitation electrode comprises an ultrasonic array element, a first conductive part and a first electrode contact, and the two ends of the first conductive part are connected with the ultrasonic array element and the first electrode contact respectively; the piezoelectric pieces are connected with the first electrode contacts in a one-to-one correspondence manner; the grounding electrode, the piezoelectric piece and the excitation electrode are stacked in the third direction, and the grounding electrode is electrically connected with the first electrode contacts through the piezoelectric piece; the two first packaging layers are located on the two sides of the excitation electrode and the grounding electrode in the third direction respectively so that the excitation electrode and the grounding electrode can be wrapped between the two first packaging layers, and the first packaging layers are made of flexible materials. The ultrasonic transducer can be attached to the surface of a human body, so that long-time monitoring on superficial organs and blood vessels is realized.

In the device, a plurality of low-temperature plasma reactors are fixed in an absorption liquid storage tank in an array manner, a quartz tube is immersed in liquid in the absorption liquid storage tank, and a plurality of through micropores are uniformly distributed in the bottom of the quartz tube; the lower end of the connecting fastener is fixed with the orifice of the quartz tube, and the side edge of the connecting fastener is provided with an air tube; the metal electrode is fixed through the upper end of the connecting firmware and extends into the quartz tube to serve as a high-voltage electrode; the discharge power supply is connected with the metal electrode and the ground electrode, so that the low-temperature plasma reactor generates bubble plasma in liquid; the electrolytic cell is communicated with an absorption liquid storage tank through a switch pipeline, the working electrode is provided with foamy copper as an electro-catalysis material, and the working electrode, the platinum wire counter electrode and the silver / silver chloride reference electrode form a three-electrode electrochemical structure to electrocatalytically synthesize ammonium nitrate in the electrolytic cell.

The utility model belongs to the technical field of water treatment, and discloses a double-circulation dielectric barrier discharge water treatment device which comprises a grounding electrode cooling tank, a water pump, a dielectric barrier discharge system, a high-voltage power supply, an internal circulation flowmeter, a fan, a water treatment tank, an air pressure balance tank, a freezing dryer, an external circulation flowmeter, an automatic air pressure supply valve, an oxygen tank and an aeration disc. The double-circulation dielectric barrier discharge water treatment device provided by the utility model can be used for treating various organic wastewater such as industrial wastewater, domestic wastewater and landfill leachate, and has the advantages of simple equipment, stable operation, low energy consumption, high treatment efficiency, no secondary pollution and the like.

The invention discloses semiconductor process equipment, and relates to the field of photovoltaics and semiconductors. The semiconductor process equipment comprises a bearing boat and a radio frequency isolation device, the bearing boat comprises a plurality of heating plates which are respectively used as radio frequency electrode plates or grounding electrode plates, each heating plate is provided with a heating piece, one end of each heating piece is led out relative to the corresponding heating plate, and each heating piece comprises a metal sleeve; the radio frequency isolation device comprises a first isolation assembly, the first isolation assembly comprises an isolation ring, and the isolation ring is connected to the metal sleeve and used for preventing radio frequency signals in the heating plate from being transmitted out through the metal sleeve. The problems of radio frequency leakage and the like can be solved.