408 results about "High voltage electrode" patented technology

The invention discloses a primary and secondary fusion pole-mounted circuit breaker state monitoring system and method, and relates to the technical field of power system automation. The system comprises a native signal acquisition module which is used for multiplexing an inherent electrical loop of a circuit breaker and acquiring a current signal of an opening and closing coil and a capacitive reactance change signal of a parasitic capacitor between a high-voltage electrode and a grounding end; and the edge analysis module is used for processing the signal acquired by the original signal acquisition module, including generating a mechanical health degree through feature extraction and state mapping, calculating an insulation aging index based on capacitive reactance change, and dynamically correcting a monitoring reference in combination with a digital twin model and a filtering algorithm. Non-auxiliary element monitoring is realized by multiplexing the inherent electrical loop of the circuit breaker, so that the service life of the monitoring system and the service life of primary equipment are completely synchronous, and elements do not need to be replaced in the whole life cycle; errors introduced by additional sensors are avoided by using the original electrical signals, and the mechanical fault recognition and insulation state evaluation precision is remarkably improved.

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 preparation method of a high-performance modified dry-method electrode and application of the high-performance modified dry-method electrode in a lithium metal battery, the method comprises the following steps: step 1, heating and hot-melting succinonitrile under a hydrothermal condition to obtain clear and transparent liquid, and then adding lithium salt into the clear and transparent liquid to complete preparation of a dry-method modified additive; 2, premixing a positive electrode material, vapor-phase growth carbon fibers and a dry-method modified additive; 3, adding an adhesive into the premixed material to obtain a modified dry-method electrode material; and step 4, pouring the modified dry-method electrode powder into a mortar, after preliminary film formation, gradually thinning to 60-75 m in thickness under a roller press, and finally performing hot rolling with a current collector to complete the preparation of the modified dry-method electrode. According to the invention, by adding the additive into the dry electrode, an excellent high-voltage-resistant electrode interface is constructed, and the lithium ion conduction rate of the electrode is improved, so that the electrochemical performance of the dry electrode is further improved, and the application of the dry electrode in a high-voltage lithium metal battery is promoted.

The invention relates to the technical field of conductive agents, and particularly discloses graphene carbon nanotube composite conductive paste for a high-voltage electrode and a preparation method of the graphene carbon nanotube composite conductive paste. The graphene carbon nanotube composite conductive paste for the high-voltage electrode is prepared from the following raw materials in parts by weight: 2 to 6 parts of carboxylated single-walled carbon nanotube powder, 1 to 3 parts of fluorinated modified graphene powder, 0.6 to 1.2 parts of superfine carbon black, 2 to 4 parts of an ionic liquid dispersing agent, 0.2 to 0.4 part of a rheology modifier and 80 to 100 parts of N-methyl pyrrolidone. According to the graphene carbon nanotube composite conductive paste for the high-voltage electrode, the breakdown field strength can be remarkably improved, partial discharge is inhibited, and high conductivity is kept while the high-voltage service life is prolonged.

This invention discloses a high-disturbance spray boom structure based on plasma-excited coupled aerodynamically assisted atomization, relating to the field of afterburner technology for aero-engines. It includes: a shell with an air inlet; a fuel pipe with a fuel delivery channel; the fuel pipe extending into the shell and forming an air channel with it; a first insulating platform with a collision atomization zone and an atomization development zone; the first insulating platform is connected to the output end of the fuel pipe, and its neck has several fuel-gas atomization channels; a second insulating platform with a plasma discharge region; the second insulating platform is snapped into the first insulating platform; a high-voltage electrode located between the first and second insulating platforms; and a grounding electrode located between the second insulating platform and the shell. This invention employs the coupling of plasma excitation with aerodynamically assisted atomization and cross-collision to perform three consecutive actions on the fuel spray, thereby improving the fuel atomization performance of the high-disturbance spray boom.

The invention relates to the technical field of foam box waste recovery, and discloses a foam box production waste recovery device which comprises a support, and a feeding mechanism, a crushing mechanism and an extrusion mechanism are sequentially arranged on the support in the foam moving direction. The feeding mechanism comprises a base plate obliquely arranged on the support, the two ends of the base plate are rotationally connected with conveying rollers, the two conveying rollers are connected with the two ends of a conveying belt, a material taking needle is arranged on the outer side of the conveying belt, a suspension frame is arranged on the side face of the base plate, and a material guide groove parallel to the base plate is formed in the side, close to the ground, of the suspension frame. A high-voltage electrode plate is arranged on the side, close to the material guide groove, of the base plate, and after the material taking needle moves to the position between the high-voltage electrode plate and the material guide groove, static electricity is generated at the tip end of the material taking needle. By arranging the high-voltage electrode plate, the end of the material taking needle has static electricity, the material taking needle enables small-particle foam to directionally move along the material guide groove through the electrostatic adsorption effect, and flying of the small-particle foam is avoided.

The invention relates to the technical field of plasma activated water preparation, and discloses a plasma activated water preparation device. The plasma activated water preparation device comprises a plasma generation module. The plasma generation module comprises a tube body, a high-voltage electrode, an insulating medium layer and a low-voltage electrode. An air inlet and a plurality of micropores are formed in the pipe body; at least part of the high-voltage electrode is arranged in the tube body, and a gap is formed between the high-voltage electrode and the inner surface of the tube body; the micropores and the air inlet are communicated with the gap; the outer surface of the high-voltage electrode is covered with an insulating medium layer; the low-voltage electrode is arranged on the outer surface of the tube body and used for making contact with a target activation solution. In the invention, the low-voltage electrode and the high-voltage electrode are respectively arranged on the outer surface and inside the tube body, so that the relative physical space positions of the high-voltage electrode and the low-voltage electrode are always kept unchanged, and field intensity which is not dynamically influenced by bubbles is formed; the problem that an existing plasma activated water preparation device is low in activated water preparation efficiency can be solved.

The invention relates to a high-voltage polyoxyethylene (PEO)-based solid electrolyte and a preparation method thereof, and belongs to the technical field of solid-state battery materials. The electrolyte is composed of a polymer substrate, an inorganic filler, a cosolvent and a lithium salt, the polymer substrate is a PEO-polyacrylonitrile (PAN) composite substrate; the inorganic filler is lithium titanium aluminum phosphate LATP, and the cosolvent is fluoroethylene carbonate FEC; the lithium salt is lithium bis (trifluoromethanesulfonic acid) imide LiTFSI and lithium difluoro (oxalato) borate LiDFOB; the dispersing agent is acetonitrile ACN. The method has the advantages that PEO and FEC are complexed to form a new structure, and room-temperature efficient operation of a single-salt (LiTFSI) system is realized; and meanwhile, LiDFOB is cooperatively introduced to construct a stable passivation layer on a positive electrode interface, FEC synchronously induces to generate LiF-rich stable SEI on a lithium negative electrode, and the interface compatibility and electrochemical stability of the electrolyte to a high-voltage electrode are remarkably improved.

The invention belongs to the technical field of intelligent moisture control of filter press filter plates and filter cakes, and relates to an intelligent moisture control method of a filter press filter plate and a filter cake integrated with a high-voltage-resistant electrode array. The method comprises the following steps: embedding a high-voltage-resistant electrode array into the surface of a filter plate, and detecting an electrical impedance parameter of each region in a filter cake forming process in real time; reconstructing water distribution in the filter cake in real time and generating a dynamic image by using the electrical impedance data of the plurality of groups of electrode pairs; meanwhile, establishing a mathematical model between the electrical impedance and the water content of the filter cake to obtain the real-time water content of the filter cake; and according to the moisture distribution image and the moisture content data, dynamically adjusting the parameters of the filter press through a closed-loop feedback system to realize accurate control of the moisture content of the filter cake.

The invention provides a multi-grade waste heat grading recovery device for a poultry processing factory, and solves the technical problems that existing waste heat recovery equipment is mainly designed for single-grade and low-impurity-content waste heat resources and is difficult to adapt to feather drying waste gas with high impurities and exhaust temperature fluctuation of a refrigeration house compressor in a poultry processing scene. The device can be widely applied to the field of waste heat recovery equipment. The system specifically comprises a feather drying waste gas treatment system, a refrigeration house waste heat pressure stabilizing system and a comprehensive control system, wherein the feather drying waste gas treatment system comprises a cyclone separator and an electrostatic degreaser; a gas inlet pipe of the cyclone separator is communicated with a waste gas discharge pipe, waste gas enters from the tangential direction of the cylindrical section of the separator, and solid impurities are thrown to the wall of the separator and fall to a bottom ash hopper along the wall surface; the waste gas subjected to dust removal enters an electrostatic degreaser, a high-voltage electrode and a grounding polar plate are arranged in the degreaser, grease particles in the waste gas are ionized under the action of a high-voltage electric field, and the grease particles with negative electricity are adsorbed to the grounding polar plate.

The invention discloses a three-dimensional integrated environment treatment system for a highway tunnel, and relates to the field of tunnels, a high-voltage electrode is laid on a step surface, and a multi-layer staggered flow guide plate is arranged above the step surface; the multiple stages of step units are filled with negative ion mineral composite material layers. The UV-LED array is integrated above the multi-stage step unit and is used for emitting ultraviolet light with the wavelength of 254nm and / or 365nm; the multi-stage step unit is coated with the photocatalyst coating; the wall washing lamp is arranged at the side part or the bottom of the multi-stage step unit and is used for irradiating a gas-water mixture flowing through the step; the water circulation purification unit is arranged below the multi-stage step unit and used for collecting and purifying waterfall water flow, and purified water flows back to the first water outlet end to be recycled. According to the invention, light pollution, noise pollution and air pollution are treated as an integral system. And the integrity and the collaboration of the three-dimensional integrated environment treatment system are realized.

The application discloses a low-NOx ammonia fuel combustion system based on plasma combustion support X The generated staged ammonia gas combustion system comprises a high-frequency high-voltage power supply, a dielectric barrier plasma generator, a gas distribution system (a blower and an ammonia storage tank), a combustion chamber and a swirler; the dielectric barrier plasma generator comprises a high-voltage electrode, an insulating medium, a swirler and a ground electrode; and the gas distribution system comprises a blower and an ammonia storage tank. The application utilizes dielectric barrier to generate ammonia gas plasma discharge, reduces the difficulty of ammonia gas combustion and improves the stability of ammonia gas combustion; utilizes the swirler to generate rotating airflow and improves the combustion efficiency; utilizes ammonia gas staged combustion to further reduce NOx emission; and the ideal staged ratio is that the volume ratio of ammonia gas plasma to side wall ammonia gas is 20% (10%-30%), so that the ammonia gas plasma can be fully discharged, and the ammonia sprayed from the side wall can also be fully combusted.

The invention relates to a rotary jet plasma excitation device and method, and the device comprises a carrier which is provided with a jet hole in the surface; the dielectric barrier discharge assembly is arranged on the surface of the carrier, is coaxial with the jet hole and comprises an insulating dielectric layer, a plurality of high-voltage electrodes and a plurality of low-voltage electrodes, the low-voltage electrodes and the high-voltage electrodes are annularly arranged on the inner side and the outer side of the insulating dielectric layer at intervals, and the single high-voltage electrode and the single low-voltage electrode correspondingly form an independent dielectric barrier discharge unit; the corona discharge assembly is arranged outside the dielectric barrier discharge assembly in a sleeving mode and used for outputting normal main jet flow into the jet flow hole, the corona discharge assembly comprises at least one pair of discharge electrodes, and the at least one pair of discharge electrodes are provided with discharge structures; and the power supply and control assembly comprises a power supply module and an intelligent control module. The rotary jet plasma excitation device can form composite rotary jet, effectively disrupts coherence of a turbulent coherent structure, and realizes efficient flow control.

The invention discloses an amplitude auxiliary maintaining method and device for a hemispherical resonator gyro and the hemispherical resonator gyro, and the amplitude auxiliary maintaining method comprises the following steps: setting the voltage of all electrodes of the hemispherical resonator gyro to be 0, and after the hemispherical resonator gyro starts oscillation, starting the hemispherical resonator gyro; the output of an amplitude control loop of the hemispherical resonator gyroscope is converted into an alternating current signal, then the alternating current signal is switched to a high-voltage electrode of the hemispherical resonator gyroscope, and meanwhile, a direct current signal applied to the high-voltage electrode is kept unchanged. The high-voltage electrode is reused as the annular electrode to assist in maintaining the amplitude of the hemispherical resonator gyroscope, the circuit improvement structure is simple, and software can be compatible with a traditional control algorithm.

A power grid equipment insulation detection device comprises a switch cabinet, a high-voltage electrode and a contact are arranged in the switch cabinet, a front-end host is arranged on a cabinet body of the switch cabinet, the front-end host comprises a front-end host support assembled in the switch cabinet, a shell is assembled on the front-end host support, and the shell can be adjusted up and down by a certain angle. An ultraviolet sensor and an infrared sensor are arranged in the shell, signal acquisition coverage areas of the ultraviolet sensor and the infrared sensor cover a high-voltage electrode and a contact in the switch cabinet, and a central processing unit is further arranged on the front-end host bracket; and the front-end host transmits data to the management control end through network communication. The device is simple in structure and convenient to use.

The invention provides an electrostatic interference elimination method for an air negative ion product. The air negative ion product comprises a negative high voltage electrode and a relative electrode. Particularly, the negative air ion product is provided with a static electricity elimination mechanism which is characterized in that a negative high-voltage electrode and an opposite electrode are electrically connected through an electric conduction medium, so that high voltage formed between the negative high-voltage electrode and the opposite electrode is applied to the electric conduction medium, and negative charges are transmitted to the opposite electrode along the electric conduction medium to be neutralized with positive charges; and static elimination is realized. Furthermore, the obvious reduction of the negative ion concentration is taken as the basis for executing the static elimination mechanism, and the execution is ended after 3-10 seconds. Or the obvious reduction of the working current of the negative ion generator circuit is taken as the basis for executing the static elimination mechanism, and the execution is ended after 3-10 seconds. The problem of electrostatic interference can be effectively solved, the air negative ion product can efficiently, stably and continuously generate high-concentration air negative ions, and a positive health effect is generated for a product user.

The application relates to a preparation method and application of an electrode material binder with high ion conductivity and high-voltage resistance, wherein polyethylene oxide is dissolved in deionized water, stirred for 24 hours at room temperature, and a polyethylene oxide solution is prepared; lithium salt is added; a sodium carboxymethyl cellulose aqueous solution is mixed with the polyethylene oxide-lithium salt mixed solution, stirred for 12 hours at room temperature, and an electrode material binder is obtained; the electrode material binder is mixed with a high-voltage resistant additive, and a high-ion-conductivity and high-voltage-resistant electrode material binder is obtained. The positive electrode material prepared based on the electrode material binder with high ion conductivity and high-voltage resistance has high capacity and excellent cycle stability. The modified lithium-rich manganese-based positive electrode material prepared has high ion conductivity and high-voltage resistance, the discharge specific capacity of the modified lithium-rich manganese-based positive electrode material is up to 295.51 mAh / g or more, the capacity retention rate is 102.14% after 400 cycles, and the modified lithium-rich manganese-based positive electrode material has high capacity and high cycle stability.

The present invention discloses a liquid film reaction device and method based on dielectric barrier microplasma discharge. The device includes a power supply, a dielectric barrier microdischarge device, and a liquid input system. The dielectric barrier microdischarge device includes an insulating medium, a high-voltage electrode, and a ground electrode, with the power supply connected to the high-voltage electrode and the ground electrode, respectively. The liquid input system includes a liquid container and a water pipe, with the liquid container connected to the water inlet of the dielectric barrier microdischarge device via the water pipe. The device can perform liquid film dielectric barrier microplasma discharge at room temperature and pressure using common gases, air, and water as raw materials, achieving nitrogen / carbon fixation and organic wastewater degradation under mild conditions. The device has a simple structure, is compact and portable, uses cheap gas, has low technical costs, and has the characteristics of fast reaction speed and high energy efficiency. It can degrade organic wastewater and utilize the products of the nitrogen / carbon fixation process for drip irrigation of crops, providing carbon, nitrogen, and other elements to promote crop growth.

The application provides a plasma wall friction drag sensor, which is in a sheet shape as a whole and comprises a high-voltage electrode (10), a grounding electrode (20), a charge collecting electrode (30) and an insulating base (60). The application also provides a plasma wall friction drag sensor system, which comprises the above-mentioned sensor, a high-voltage direct-current power supply (701), a current-limiting resistor (702), a first discharge resistor (703), a grounding terminal (801), a first voltage amplifier (802) and a first output terminal (803). Furthermore, the working process of the above-mentioned plasma wall friction drag sensor system is given. The application also extends the above-mentioned sensor and sensor system to form a double sensor, a multiple sensor and a sensor system. The application can solve the technical problem of how to measure the airflow wall friction drag at low cost, high frequency response and robustness.

The application discloses a high-energy extremely-short-pulse-width incandescent light source system based on argon, and relates to the field of air flow tests.The high-energy extremely-short-pulse-width incandescent light source system comprises a high-voltage electrode for performing arc flash when high voltage is applied, the high-voltage electrode comprises a high-voltage anode and a high-voltage cathode capable of performing arc flash when high voltage is applied, and the high-voltage anode and the high-voltage cathode have a predetermined distance; an argon supply device for supplying argon between the high-voltage anode and the high-voltage cathode; a light device and a condenser lens group oppositely arranged on both sides of the high-voltage electrode; a power supply for supplying power to a high-voltage energy storage device, wherein the high-voltage energy storage device is electrically connected with the high-voltage electrode; a control module for performing time sequence control on the high-voltage anode and the high-voltage cathode; and an input and output module connected with the control module and the power supply.The application uses argon instead of conventional air as an ionization medium in the high-voltage electrode, so that the extremely-short-pulse-width can be realized when arc flash occurs, and the electrode can be prevented from being oxidized and damaged.

The present application relates to a kind of catalyst synergistic plasma to regulate the method of active substance content in plasma activated water, belong to plasma activated water preparation technical field.The present application uses catalyst synergistic plasma to prepare the device of activated water, catalyst is filled in the discharge region of dielectric barrier discharge plasma jet device, the working gas flow of inlet pipe is adjusted by mass flowmeter, low-temperature plasma power is powered to high-voltage electrode, working gas starts discharge to generate plasma in discharge region, while, under the coupling catalysis of catalyst, the content of active substance in plasma is improved, the water body in plasma active substance activated water storage container is activated, and plasma activated water is formed;The content of active substance in plasma activated water is regulated by changing catalyst type and the component of working gas in gas cylinder.The present application improves the content of active substance in plasma working gas by catalyst coupling plasma, and the content of active substance in plasma activated water is improved.

The invention relates to the technical field of intelligent energy-saving control, in particular to an energy-saving high-voltage electrode vacuum boiler and an intelligent control system of the energy-saving high-voltage electrode vacuum boiler. The control system is connected with the temperature sensor, the flow sensor, the pressure sensor and the vacuum pump; the water supply pipe is connected with the vacuum boiler; the pressure sensor is connected with the vacuum boiler and the control system; the vacuum boiler is connected with the pressure sensor, the water supply pipe, the flow sensor and the vacuum pump; the vacuum pump is connected with the vacuum boiler and the control system; and the flow sensor is connected with the vacuum boiler and the control system. Closed-loop feedback is formed through the control system, real-time optimization of operation parameters of the vacuum boiler is achieved, the comprehensive benefits of improving heat efficiency, reducing energy consumption, adapting to load fluctuation and prolonging the service life of equipment are achieved, and the automation level, reliability and safety of the vacuum boiler are remarkably improved.

The application discloses a high-voltage cabinet electricity detection display device. The high-voltage cabinet electricity detection display device comprises a transmitting module and a receiving module arranged in the high-voltage cabinet. The transmitting module comprises a battery pack, a starting button, an LC tuning circuit and a first yellow LED display lamp. The LC tuning circuit converts the power provided by the battery pack into a changing magnetic field, and the first yellow LED display lamp displays the working state of the LC tuning circuit. The receiving module comprises a receiving coil, a second yellow LED display lamp, a green LED display lamp, a red LED display lamp, a grounding wire and a high-voltage electrode. The receiving coil induces an electromotive force in response to the changing magnetic field. The second yellow LED display lamp displays the power state of the receiving module, and the green LED display lamp and the red LED display lamp display the electrified state of the high-voltage end. When the high-voltage cabinet electrified display device fails, the high-voltage cabinet electricity detection display device can be used as a backup electricity detection device to obtain the electrified state of the conductor.

The application discloses a standard capacitance voltage divider for measuring wide-range voltage and a measuring method. The standard capacitance voltage divider for measuring wide-range voltage comprises an insulating outer cylinder, an electrode module arranged at the upper end inside the insulating outer cylinder and a low-voltage arm module arranged at the bottom outside of the insulating outer cylinder. The electrode module comprises a high-voltage electrode, a low-voltage electrode and a shielding electrode. The high-voltage electrode, the low-voltage electrode and the shielding electrode are coaxially combined. The lower end of the shielding electrode is connected with a lower flange arranged at the bottom of the insulating outer cylinder through a supporting rod. The low-voltage arm module comprises a low-voltage arm external box and a low-voltage arm. The low-voltage arm external box is fixed at the lower end of the lower flange. The low-voltage arm is arranged in the low-voltage arm external box. The wide dynamic voltage can be reliably and accurately measured.

The application discloses a mass spectrometer for measuring a low-isotope-content sample and belongs to the technical field of mass spectrometers. The mass spectrometer comprises a receiving device and a signal processing unit. The receiving device comprises a vacuum cavity, a metal target, a vacuum plastic flash body, a high-voltage electrode plate, a vacuum glass window, a photomultiplier tube and a photomultiplier tube cover. The signal processing unit comprises a high-voltage stabilizer and a pulse amplifier. The application converts ions into secondary electrons through the metal target, provides voltage for the metal target and the high-voltage electrode plate by the high-voltage stabilizer to form a high-intensity electric field, accelerates the secondary electrons to bombard the vacuum plastic flash body to generate an optical signal, receives and converts the optical signal into a pulse signal by the photomultiplier tube through the vacuum glass window, and finally performs shaping, amplification and conversion processing on the pulse signal by the pulse amplifier. The application does not need to rely on imported super-high resistance resistors, realizes the localization of the receiving device of the mass spectrometer, and has the advantages of high signal conversion efficiency, strong anti-interference capability, stable and reliable measurement and the like.

Sensored insulation plug for a medium voltage or high-voltage separable connector in a national grid, and operable to insulate a connection element of the separable connector on an elevated voltage and to simultaneously detect and sense the elevated voltage. The sensored insulation plug comprises a) a plug body formed by a solidified insulating material, b) an externally accessible detection contact, c) a primary capacitor, operable as a high-voltage capacitor in a sensing voltage divider for sensing the elevated voltage, the primary capacitor having i) a high-voltage electrode; ii) a sensing electrode embedded in the plug body; iii) a dielectric formed by a first portion of the insulating material, and d) a testpoint capacitor, operable as a high-voltage capacitor in a detection voltage divider for detecting the elevated voltage and comprising i) the high-voltage electrode, ii) a testpoint electrode, embedded in the plug body and electrically connected to the detection contact, and iii) a dielectric formed by a second portion of the insulating material.

The invention discloses an insulator impact breakdown voltage measurement system and method, and belongs to the field of electrical measurement. The system comprises an upper computer, a plurality of cameras, a high-voltage power supply and an insulator testing device, the insulator testing device comprises a closed cavity, a disc platform used for placing a plurality of insulators to be tested, a high-voltage electrode and an ionic wind module. The upper computer is used for controlling the ion wind module according to preset ion current parameters after the closed cavity is filled with the insulating gas, so that the ion wind module releases positive and negative ion current; the upper computer is also used for controlling the high-voltage power supply to supply power to the high-voltage electrode which forms a measuring loop with each insulator to be measured, so that the high-voltage electrode applies impact breakdown voltage to each insulator to be measured; and the upper computer is also used for obtaining an impact breakdown voltage measurement result of the insulator to be tested according to the number of the discharge channels corresponding to the discharge images of the cameras around the insulator testing device. According to the invention, the efficiency and accuracy of insulator impact breakdown voltage measurement are improved.

The invention is suitable for the technical field of aerospace aircraft environment control, and provides an environment processing system and method for an aerospace aircraft space, and the system sequentially comprises an air inlet, a first discharge cavity, an airflow channel, a second discharge cavity, a sensing module section and an air outlet in the airflow direction; an electrode I is arranged in the first discharge cavity, a high-voltage electrode in the electrode I is connected to a positive high-voltage power supply, and a grounding electrode is connected to a zero-potential reference; an electrode II is arranged in the second discharge cavity, a high-voltage electrode in the electrode II is connected to a negative high-voltage power supply, and a grounding electrode is connected to a zero-potential reference; the sensing module section is provided with a sensing module for detecting gas components; by adopting the bipolar ground design and through the synergistic effect of the oxidation stage and the reduction stage, air is efficiently treated, meanwhile, the concentration of by-products such as ozone can be effectively controlled, it is ensured that output gas meets the aerospace environment safety standard, and the device is compact in structure and easy to integrate with an existing environment control system.

The invention relates to a drill head (1) for a drilling tool, the drill head (1) extending along a longitudinal axis (Z) and comprising a drilling end (10) and an attachment end (11), wherein the attachment end (11) is configured to be fitted to the drilling tool, and wherein the drilling end (10) comprises a centre (10- A) and at least one pair of electrodes (100), wherein the at least one pair of electrodes (100) comprises a high-voltage electrode (100-1) and a ground electrode (100-2), wherein the high-voltage electrode (100-1) and the ground electrode (100-2) are radially aligned with the centre (10-A) of the drilling end (10), and wherein the drilling end (10) comprises at least one intermediate electrode (102) mounted between the high-voltage electrode (100-1) and the ground electrode (100-2), wherein the intermediate electrode (102) is mounted on an insulating support (104).