71 results about "Electrode polarisation" patented technology

The invention discloses an ocean induced polarization and natural potential combined acquisition device and a data processing method, and solves the technical problem that the sulfide ore form cannot be accurately represented in the prior art. The system comprises a first underwater autonomous robot and a second underwater autonomous robot, the first underwater autonomous robot is provided with an induced polarization emission device, and the second underwater autonomous robot is provided with a natural potential acquisition device; the induced polarization emission device comprises an induced polarization control bin, a first watertight cable, an emission end positive pole and an emission end negative pole, and the natural potential acquisition equipment comprises a natural potential acquisition bin, a second watertight cable and a plurality of pairs of Ag / AgCl non-polarized electrodes. According to the method, the distribution characteristics of submarine sulfides can be more accurately explained, the multiplicity of solutions is reduced, and the exploration accuracy and reliability are improved.

The invention discloses a high-precision foundation pit support leakage potential measurement system and method, an electrode matrix, an electric field establishment module, a reference electrode, a multi-channel electric signal parallel measurement device and a data processing terminal are arranged in a foundation pit, and the outer side of a non-polarized electrode of the electrode matrix is filled with bentonite slurry; the bentonite slurry can infiltrate the contact part of the non-polarized electrode and a foundation pit soil body so as to change the property of the soil body, so that the contact potential of the electrode matrix and the soil body is controlled, the measurement error is reduced, meanwhile, an ion concentration meter and a temperature sensor are arranged in the non-polarized electrode and the reference electrode of the electrode matrix respectively, and the measurement accuracy is improved. The data processing terminal can correct the potential difference according to the electrode temperature and the ion concentration of the non-polarized electrode and the reference electrode temperature and the reference ion concentration of the reference electrode to calibrate the electrode range caused by the temperature and the ion concentration, so that the real potential difference of the foundation pit is obtained, and the measurement precision is effectively improved. And the accuracy and reliability of a foundation pit leakage detection result are improved.

The present invention discloses a miniature lead-based solid non-polarizable electrode and a preparation method thereof, wherein the miniature lead-based solid non-polarizable electrode comprises: a shell; the middle of the shell is divided into an upper cavity and a lower cavity by a diaphragm, and the upper cavity and the lower cavity are both filled with electrolyte slurry, and the electrolyte slurry comprises nano-scale gas-phase silica colloidal liquid, PbCl2, HCl, NaCl and water; a fixed cap is provided on the top of the shell, and an anode wire is passed through the fixed cap, and one end of the anode wire extends into the electrolyte slurry in the upper cavity and the other end is connected to an external wire; a wooden bottom plate is provided at the bottom of the shell, and the electrolyte slurry in the lower cavity contacts the external environment through the wooden bottom plate. The present invention applies nano-scale gas-phase silica to the electrolyte, applies polypropylene ion membrane to the structure, optimizes and modifies the electrolyte and the overall structure, so that the overall structure is more suitable for miniaturized electrodes, and obtains a high-precision solid non-polarizable electrode that can be used stably for a long time.

The utility model discloses polarization equipment for microphone parts, which relates to the technical field of microphone production equipment and comprises a rack, a polarization device is mounted on the rack and comprises a horizontally arranged turntable, a plurality of stations are arranged on the peripheral side of the turntable at equal intervals, each station is provided with a material placing tool, and the material placing tools are arranged on the turntable. A plurality of material placing grooves are formed in the material placing tool; wherein one station is provided with a feeding device connected with the material placing tool, the station located at the downstream of the feeding device is provided with a polarization electrode assembly, and the polarization electrode assembly comprises polarization electrodes corresponding to the material placing grooves. And a discharging assembly is arranged at a station at the downstream of the polarized electrode assembly. According to the utility model, materials polarized by the polarization equipment for microphone components are good in consistency, so that produced microphones are good in consistency and high in qualified rate.

The present invention discloses a high-precision foundation pit retaining wall leakage potential measurement system and method. An electrode matrix, an electric field establishment module, a reference electrode, a multi-channel electrical signal parallel measurement device and a data processing terminal are respectively arranged in the foundation pit. The outer side of the non-polarized electrode of the electrode matrix is ​​filled with bentonite slurry. The bentonite slurry can infiltrate the contact part between the non-polarized electrode and the foundation pit soil to change the properties of the soil, thereby controlling the contact potential between the electrode matrix and the soil and reducing the measurement error. At the same time, the non-polarized electrode and the reference electrode of the electrode matrix are respectively provided with an ion concentration meter and a temperature sensor. The data processing terminal can correct the potential difference according to the electrode temperature and ion concentration of the non-polarized electrode and the reference electrode temperature and reference ion concentration of the reference electrode to calibrate the electrode extreme difference caused by temperature and ion concentration, thereby obtaining the true potential difference of the foundation pit, thereby effectively improving the measurement accuracy and improving the accuracy and reliability of the foundation pit leakage detection results.

The utility model discloses a magnetic attraction type non-polarized electrode device, which belongs to the technical field of geophysical exploration and comprises a non-polarized electrode, a magnetic attraction head A, a lead and a plugging clamp. The non-polarized electrode comprises an electrode body and a magnetic suction head B; the electrode core of the electrode body extends out of the top end of the electrode body; the magnetic suction head B is sleeved outside the electrode core and is fixedly connected to the top end of the electrode body; the magnetic suction head A comprises a conductive column; the conductive column is of a telescopic structure; the magnetic suction head A and the magnetic suction head B are in magnetic suction fit, and a conductive column of the magnetic suction head A abuts against the end of the electrode core. And the plugging clamp is electrically connected with the conductive column of the magnetic suction head A through a wire. According to the utility model, accurate connection between the non-polarized electrode and the connecting line is realized through the magnetic suction head, and a stable signal transmission channel can be formed between the multi-channel cable and the ground.

An ionization sensor includes a polarizing electrode, a signal electrode, a first dielectric layer separating the signal electrode from the polarizing electrode and a heating element configured to heat the polarizing electrode and / or the signal electrode. A method for ionization sensing includes providing a detection cell and, through a window, illuminating the detection cell with ultraviolet light while heating the detection cell, the window, or both.

This invention, in the field of geophysical electromagnetic exploration technology, discloses a system and method for evaluating the grouting effect at the working face based on the charge-induced polarization method. A power supply device and a receiving device are deployed around the grouting drill rod at the working face. The power supply device includes power supply electrodes that directly charge the water body. The receiving device includes multiple non-polarized electrodes uniformly distributed on the working face. The method includes: after the power supply current stabilizes, injecting a high-conductivity, high-polarization solution into the water body in front of the working face, and during the injection of grout into the water body in front of the working face, acquiring the electric field components received by the multiple non-polarized electrodes. For the data received at the same time, the distribution data of electrical parameters at the working face are calculated to determine the changes in the distribution of the water body in front of the working face, and to infer the grout migration and solidification process. By setting up power supply electrodes directly connected to the water body in front of the working face, observation data can be acquired in real time before and during grouting, realizing dynamic monitoring of the grouting effect during the grouting process.

The invention discloses a magnetic type non-polarized electrode device, which belongs to the technical field of geophysical exploration, and comprises a non-polarized electrode, a magnetic head A, a wire and a plugging clamp, the non-polarized electrode comprises an electrode body and a magnetic suction head B; the electrode core of the electrode body extends out of the top end of the electrode body; the magnetic suction head B is sleeved outside the electrode core and is fixedly connected to the top end of the electrode body; the magnetic suction head A comprises a conductive column; the conductive column is of a telescopic structure; the magnetic suction head A and the magnetic suction head B are in magnetic suction fit, and a conductive column of the magnetic suction head A abuts against the end of the electrode core. And the plugging clamp is electrically connected with the conductive column of the magnetic suction head A through a wire. Accurate connection between the non-polarized electrode and the connecting line is achieved through the magnetic suction head, and a stable signal transmission channel can be formed between the multi-channel cable and the ground.

The invention relates to a filter insert (10) for inserting into an insert holder of a filter system (100), having a polarisable filter medium (14) through which a fluid to be filtered can flow, at least one polarising electrode (16a, 16b) for polarising the filter medium (14), and at least one electrically conductive conductor track arrangement (22) that is electrically conductively connected to the polarising electrode (16a, 16b) and can be electrically contacted by a contacting element (118a, 118b) on the insert holder.

The utility model provides a kind of non-polarized electrode burying auxiliary device, the device includes positioning claw, connecting rod, damping hinged axle, extension rod;The bottom of the connecting rod is connected on the middle position of the upper surface of positioning claw by damping hinged axle, so that positioning claw can stay at any angle relative to connecting rod;The top of the connecting rod is provided with threaded interface, and is connected with extension rod by screw thread connection.The utility model of a kind of non-polarized electrode burying auxiliary device can adjust the angle transformation between auxiliary assembly and connecting rod by damping hinged axle, change the working mode of non-polarized electrode burying auxiliary device;Each component is detachably installed by screw thread, and it is convenient to carry and assemble in field work;Extension rod can be connected or disassembled according to the depth of electrode pit, convenient to use, overall structure is simple, easy to maintain, suitable for field electrical prospecting use.

The invention relates to a method for operating a filtration device with a polarization filter comprising a polarizable filter medium through which a fluid to be filtered can flow, comprising the step of: providing a polarization voltage (U) between the polarization electrodes of the polarization filter to polarize the filter medium of the polarization filter by means of an electrical supply device of the filtration device.

Provided is an electrode including: a polarizable electrode layer; and a non-polarizable electrode layer laminated on the polarizable electrode layer. The non-polarizable electrode layer includes silver, silver chloride, and a corrosion inhibitor for the silver. The corrosion inhibitor is a polymer-based corrosion inhibitor.

An electro-optical method and device that allows for efficient polarization of ferroelectric devices. The electro-optical device includes a waveguide, a barium titanate (BTO) layer adjacent the waveguide. One or more polarization electrodes are provided for polarizing the Pockels material.

The invention discloses a concrete saturation degree sensor based on the relative water contact area of completely polarized electrodes and a monitoring method.The concrete saturation degree sensor comprises a completely polarized electrode A and a completely polarized electrode B which are the same, and the completely polarized electrode A and the completely polarized electrode B are arranged in an interdigital mode; therefore, the water contact areas of the two electrodes are kept consistent. According to the method, the saturation degree of the hardened cement paste is calculated through the relative water contact area of the saturation degree sensor, the linear relation is good, the relinearity is good, response curves in the water absorption and dehydration process do not show obvious separation, the hysteresis quality is slight, and the salinity interference is slight. In general, the error of calculating the saturation degree from the relative water contact area by fitting the linear equation is within + / -10%, and the saturation degree sensor and the measurement method are low in cost and short in time consumption.

This electrochemical capacitor includes a polarizable electrode layer. The polarizable electrode layer contains activated carbon. The BET specific surface area Sb of the activated carbon is less than 2,000 m2 / g. The ratio Sa / Sb of the external specific surface area Sa of the activated carbon obtained through the t-plot method to the BET specific surface area Sb of the activated carbon is 0.10 or more.

The invention discloses a test calibration method and device for a non-polarized electrode. The method comprises the following steps: constructing a standard electric field test environment; synchronously acquiring response signals of the measured electrode and the reference electrode; calculating performance parameters such as direct current drift, range, long-term stability and noise power spectral density of the measured electrode; and comparing the parameters with corresponding parameters of the reference electrode to finish calibration. The device comprises a standard electric field generation system, a data acquisition and measurement system and an environment control and guarantee system. According to the invention, multi-parameter, high-precision and traceable systematic testing and calibration of the non-polarized electrode are realized.

The invention discloses a surface acoustic wave filter based on a periodic ferroelectric domain and an implementation method thereof. A ferroelectric domain polarizer is adopted to enable a ferroelectric semiconductor film to be subjected to polarization overturning, a plurality of concentric annular narrow ferroelectric domains which are alternately arranged in ferroelectric polarization directions are formed on the ferroelectric semiconductor film below the position between every two adjacent polarized electrodes, and a periodic ferroelectric domain film is obtained; a sheet-shaped filter input electrode is formed on the periodic ferroelectric domain film, and when the same-phase voltage is received, ferroelectric domains with opposite ferroelectric polarization directions automatically generate oscillation with opposite directions to form surface acoustic wave standing waves; the working frequency of the filter is determined by the width of the narrow ferroelectric domain, the width of the narrow ferroelectric domain is modulated by the voltage and frequency of the applied amplitude modulation alternating current, and the narrow ferroelectric domain with small width is easy to prepare, so that the working frequency of the filter is not limited, and the filter can work at a higher frequency; the method is applied to the fields of radio frequency communication, 6G network transmission, high-precision radar, remote sensing monitoring and the like.

This invention provides a method for fabricating a metal electrode for signal acquisition and / or transcranial electrical stimulation. The method produces a non-polar metal electrode with a titanium substrate, a platinum layer, and a silver chloride layer arranged sequentially from inner to outer layers. The good machinability of titanium allows the electrode to be easily fabricated into various shapes, making it suitable for diverse applications. The high conductivity of platinum allows for the fabrication of a high-performance, integrated electrode that performs well as both a cathode and anode, accommodating switching between two operating modes. Platinum achieves a conductivity of 75 A / dm². 2 The loss rate at current density is extremely low, so when this metal electrode is applied to transcranial electrical stimulation, it is also corrosion resistant and has a long service life. The material properties of platinum can be utilized to easily form a silver chloride layer on its outer layer, resulting in a non-polarized electrode. The platinum layer is very thin, which allows the electrode to maintain low cost and is suitable for large-scale application in various fields.

This invention discloses a high-efficiency ion collection device, comprising: an ion collection chamber, an ion collection sensing electrode, and an ion polarization electrode. The ion polarization electrode surrounds the inner wall of the ion collection chamber, and the ion collection sensing electrode is disposed in the center of the ion collection chamber with an increased windward surface for ion collection. This invention solves the problem of low collection efficiency in existing ion collection devices.

An electro-optical method and device that allows for effective polarization of a ferroelectric device. An electro-optical device includes a waveguide, a barium titanate (BTO) layer adjacent to the waveguide, a heater electrode for heating the BTO layer in a region adjacent to the waveguide, and at least one polarization electrode adjacent to the waveguide for establishing an electric field in the BTO layer heated by the heater electrode.

The invention relates to electrostatic pickups for improving the sound quality of string musical instruments. An electrostatic pickup comprises an instrumentation amplifier (7) with a high input impedance, a polarizing voltage source (5), and two capacitive sensors (1, 2), each of which consists of a sensor (6) and a polarizing electrode (4). Said sensor is connected to an input of the instrumentation amplifier via a balancing resistor (8), wherein the resistor is connected in between the input of the instrumentation amplifier and a neutral point. The polarizing electrode is connected to the polarizing voltage source, wherein an effective signal is picked up from the output of the instrumentation amplifier. The result is that of eliminating the negative effect of a magnetic field on the vibration of the strings and preventing the skewing of the sound signal toward low frequencies.

This invention provides a gasket-type electromagnetic flow sensor and a heat exchanger. The gasket-type electromagnetic flow sensor includes a gasket body and multiple sensing units. The gasket body includes an insulating region with multiple tube holes, which are connected to multiple heat exchange tubes of a tube bundle. Multiple sensing units are respectively disposed within the gasket body and distributed within the insulating region, each corresponding to one of the tube holes. Each sensing unit includes a magnetic field generator and an electrode assembly. The magnetic field generator generates a magnetic field within the tube holes to polarize the liquid medium passing through them. The electrode assembly outputs an induced electromotive force signal based on the polarized liquid medium. This invention can monitor the flow state of the medium within each heat exchange tube of a tube bundle online, quickly locating leaking heat exchange tubes. This not only facilitates accurate monitoring and description of the flow and heat exchange state of the heat exchanger but also provides guidance for operations such as tube plugging when tube-side leaks occur.

The invention relates to a filter insert (10) for insertion into an insert receptacle of a filter system (100), comprising a polarizable filter medium (14) through which a fluid to be filtered can flow, at least one polarization electrode (16a, 16b) for polarizing the filter medium (14) and at least one electrically conductive conductor track arrangement (22) which is electrically conductively connected to the polarization electrode (16a, 16b) and can be electrically contacted with a contacting element (118a, 118b) on the insert receptacle side.

The invention provides an integrated ceramic core shell integrated with piezoelectric sensing and a preparation and monitoring method thereof, and relates to the technical field of ceramic core preparation. The ceramic core shell comprises a ceramic base body formed through an additive manufacturing process, a piezoelectric sensing unit arranged in a monitoring area, a protective shell wrapping and sealing the sensing unit and a signal transmission line embedded in the protective shell. The preparation method comprises the following steps: determining a monitoring area based on thermal-mechanical coupling simulation and constructing a three-dimensional digital model; sequentially printing a ceramic substrate, a piezoelectric sensing unit, a polarized electrode of the piezoelectric sensing unit, a synchronously formed protective shell and a signal transmission line through a multi-material additive manufacturing process; and carrying out integrated sintering and polarization treatment on the green body. Integrated manufacturing and integration of the sensor and a ceramic structure are achieved, and the problem that a traditional external sensor cannot conduct reliable monitoring in a high-temperature and complex-structure casting mold core is solved.

The application belongs to the technical field of spray drying, and discloses a liquid drop polarization atomization low-temperature spray drying system and method based on a coulomb field effect. The system comprises a feed liquid supply unit, an atomization nozzle, a high-voltage polarization electrode unit, a high-voltage power supply, a drying tower and a low-temperature nitrogen circulation drying unit. The high-voltage polarization electrode unit comprises at least one electrode ring or a conical ring electrode arranged coaxially below the nozzle outlet and kept at a non-contact gap with the nozzle outlet. After the feed liquid is preliminarily atomized by the nozzle, the liquid drops pass through the coulomb field area generated by the electrode ring under the action of gravity, are further split and dispersed into a polarized drop group with smaller particle size and more uniform distribution through the dielectric polarization effect, and the spontaneous formation of the microcapsule shell-core structure is promoted. The liquid drops are electrically neutral or close to electrically neutral, thereby avoiding electrostatic adsorption and wall sticking. The application is particularly suitable for the low-temperature spray drying preparation of heat-sensitive materials and microcapsule products.

The application provides an integrated ceramic core shell integrated with a piezoelectric sensor, and a preparation and monitoring method thereof, and relates to the technical field of ceramic core preparation.The ceramic core shell comprises a ceramic base formed through an additive manufacturing process, a piezoelectric sensing unit embedded in a monitoring area, a protective shell for sealing the sensing unit, and a signal transmission line embedded in the protective shell.The preparation method comprises the following steps: determining the monitoring area based on thermal-mechanical coupling simulation and constructing a three-dimensional digital model; printing the ceramic base, the piezoelectric sensing unit and its polarization electrode, and the synchronously formed protective shell and signal transmission line in sequence through a multi-material additive manufacturing process; and performing integrated sintering and polarization treatment on the green body.The application realizes integrated manufacturing and integration of the sensor and the ceramic structure, and solves the problem that traditional external sensors cannot reliably monitor the inside of a high-temperature and complex-structure casting core.

An ionization sensor (110) includes a polarizing electrode (111), a signal electrode (117), a first dielectric layer (112) separating the signal electrode from the polarizing electrode and a heating element (114) configured to heat the polarizing electrode (111) and / or the signal electrode (117). A method for ionization sensing includes providing a detection cell and, through a window, illuminating the detection cell with ultraviolet light while heating the detection cell, the window, or both.

An ionization sensor includes a polarizing electrode, a signal electrode, a first dielectric layer separating the signal electrode from the polarizing electrode and a heating element configured to heat the polarizing electrode and / or the signal electrode. A method for ionization sensing includes providing a detection cell and, through a window, illuminating the detection cell with ultraviolet light while heating the detection cell, the window, or both.

An ionization sensor (110) comprises a polarized electrode (111), a signal electrode (117), a first dielectric layer (112) separating the signal electrode from the polarized electrode, and a heating element (114) for heating the polarized electrode (111) and / or the signal electrode (117). A method for ionization sensing includes providing a detection unit and irradiating the detection unit with ultraviolet light through a window while heating the detection unit, the window, or both.