39 results about "Corona ring" patented technology

The invention relates to a high-voltage and ultrahigh-voltage dry-type air-cored current limiting reactor. A main reactor body (1) comprises a coil (10), a rain hat (20) and a combined lazy arm (11), wherein the main reactor body (1) is supported by an insulated support post (30); electric field shielding parts (40) are arranged at the upper part and the bottom part of the main reactor body (1); and each electric field shielding part (40) comprises an upper main reactor body corona ring (41) and a lower main reactor body corona ring (42) to solve the problem of power generation of the main reactor body and accessories at high voltage. The insulated support post (30) comprises a support post insulator (31) and a metal bracket (33); and the metal bracket (33) is connected with a support post insulator (31) through an epoxy flat plate (73) and insulated bolts. According to the high-voltage and ultrahigh-voltage dry-type air-cored current limiting reactor, the requirements on the ground insulation level and support are met; leakage flux is reduced; the requirements on the temperature of accessories are reduced; and the reactor provided by the invention can meet the requirements of power grids of 220kV and 500kV on voltage and current distribution, insulation level and short-time current.

The invention provides a heat pipe and a spray charging and particle modifying coupled synergistic electrostatic dust removing system assisting in desulfurization waste water treatment. The system comprises a water charging device and an electrostatic dust remover. The water charging device is installed on a flue on the front portion of an inlet of the electrostatic dust remover. The spray charging device is connected with a desulfurization waste water temporary storage pool and provided with an atomizing nozzle. A corona ring is installed at the downstream of the atomizing nozzle and connected with a high-voltage power supply. The novel heat pipe structure is provided, meanwhile, mixed spray of the desulfurization waste water and a particle modifier is obtained through the dual-fluid atomizing nozzle, quick charging is achieved through a charging ring, the desulfurization waste water can be effectively treated, fine particles can be fully agglomerated, and the particle removal efficiency is improved; and meanwhile, the spray charging device can be installed on the flue on the front portion of the inlet of the electrostatic dust remover, so that flexibility and convenience are achieved.

The invention discloses a plasma generation device based on back corona creeping-surface breakdown of a catalyst. The plasma generation device comprises a plasma generator and a high-voltage power supply, wherein high-low-voltage electrode pairs consisting of corona electrodes and porous electrodes are arranged in the plasma generator; a high specific resistance catalyst layer is arranged between the high-low-voltage electrode pairs; and a high-voltage power supply is connected with the high-low-voltage electrode pairs. The invention further discloses a plasma generation method. According to the plasma generation method, basic conditions of a charge accumulated on the catalyst are provided by adopting a high specific resistance catalyst which has low possibility of releasing the charge; the charge generated by corona discharge forms back corona creeping-surface breakdown on the high specific resistance catalyst layer and generates a plasma on the creeping surface of the catalyst, so that the plasma is tightly combined with the catalyst.

An electron accelerator includes a steel cylinder, a plurality of semicircular corona rings equipped inside the steel cylinder, a high voltage electrode equipped above the corona rings, two high frequency electrodes equipped outside the corona rings and the high voltage electrode, an electron gun, a vacuum accelerating tube equipped below the electron gun, a control system equipped outside the steel cylinder, a high frequency oscillator used to provide the electron accelerator with power and equipped outside the steel tube; a feedback capacitance plate equipped between the steel cylinder and the high frequency electrodes. The semicircular corona rings adopts opposite opening mode for arrangement symmetrically along the direction of the steel cylinder shaft axis. A feedback capacitance used to form high frequency oscillator electron tube triple-stage bias voltage is between the feedback capacitance plate and part of the high frequency electrodes. A compensation capacitance plate is equipped between the high frequency electrodes and the steel cylinder and can improve high frequency characteristic parameters. On the premise of no change for the distance among the high frequency electrons, the electron accelerator working frequency can be reduced and reach physical design requirements.

An electron accelerator comprises a steel cylinder, a high-frequency transformer, two lines of semi-circular corona rings which are arranged inside the steel cylinder, a high pressure electrode which is arranged on the corona rings, two pieces of high-frequency electrodes which are arranged outside the corona rings and the high pressure electrode, an electron gun which is used to produce and excite electrons with a filament, a vacuum accelerating tube which is arranged under the electron gun, a filament transformer which is electrically connected on the filament and is used to regulate filament voltage and an electron gun filament power supply system which is electrically connected on the filament transformer and is used to supply power to the electron gun, the electron gun filament power supply system comprises an electromotor which is arranged on the bottom of the steel cylinder and located under the corona rings, a centre rod whose one end portion is connected with an output end of the electromotor and an electric generator which is arranged inside the high pressure electrode and is electrically connected with the filament transformer, wherein the other end portion of the centre rod is connected with an input end of the electric generator and the centre rod is arranged inside an opening part of the semi-circular corona rings along the axial direction of the steel cylinder. The accelerator has the characteristics of simple structure, low cost, rapid response speed, stable supply voltage and convenient automatic control.

The invention relates to a capacitor and particularly relates to an electronic tube plate electrode blocking capacitor which is used for an electronic tube plate electrode of high-frequency high-power transmission equipment. The electronic tube plate electrode blocking capacitor comprises a polytetrafluoroethylene barrel, inner and outer polar plates arranged on the inner and outer surfaces of the polytetrafluoroethylene barrel, a connection corner and a connection plate which are welded on the polar plate on the outer surface, an annular contact reed which is electrically connected with the electronic tube plate electrode and is arranged on the inner polar plate, and a cooling air pipe arranged under the polytetrafluoroethylene barrel, wherein the inner polar plate is a thin-wall metal inner barrel, and the thin-wall metal inner barrel used as the inner polar plate is combined with the polytetrafluoroethylene barrel through interference fit; the outer polar plate is a thin-wall metal outer barrel; and the thin-wall metal outer barrel used as the outer polar plate is combined with the polytetrafluoroethylene barrel through interference fit, and circular-arc-shaped corona rings are arranged at the two ends of the thin-wall metal outer barrel used as the outer polar plate. With the adoption of the electronic tube plate electrode blocking capacitor, the problem that the connection corner and a connection plate lamp are welded on the polar plates so that the insulation performance of part of the polytetrafluoroethylene barrel is reduced is solved.

An antenna protection device includes a pair of opposed contacts, an inner electrode connected to one of the contacts. The outer electrode is separated from the inner electrode by a dielectric layer and connected to the other of the contacts. A bleed-off resistor is connected between the opposed contacts to dissipate any accumulated. Corona rings may be employed around the foregoing components to improve operation of the device.

The present disclosure provides a fitting for a power transmission system. The fitting may include a first end configured to couple to an end of an insulator, a second end configured to couple to a power line, a collar located between the first end and the second end, and a neck located between the collar and the first end. An outer diameter of the collar may be greater than an outer diameter of the neck. A power transmission system with a fitting and corona ring assembly is also provided.

An antenna protection device includes a pair of opposed contacts, an inner electrode connected to one of the contacts. The outer electrode is separated from the inner electrode by a dielectric layer and connected to the other of the contacts. A bleed-off resistor is connected between the opposed contacts to dissipate any accumulated. Corona rings may be employed around the foregoing components to improve operation of the device.

The present invention discloses a corona discharge assembly, including: an ionization discharge chamber, wherein the ionization discharge chamber includes a metal corona cylinder, and the metal corona cylinder is provided with an inlet of a gas to be analyzed and an annular piece-shaped port which forms a non-uniform electric field with corona pins and is provided with a circular hole at the middle; a rotating shaft is installed on the cylinder wall of the metal corona cylinder in an insulating manner, the rotating shaft is vertical to the axial line of the metal corona cylinder, and a turntable provided with multiple corona pins at the outer edge is installed at the end part of the rotating shaft the axial line of the metal corona cylinder passes in parallel through the rotation plane of the turntable. The present invention further discloses an ion mobility spectrometer using the above-mentioned corona discharge assembly.

A high voltage corona grading ring for use with a high voltage device is disclosed, where the corona ring comprises an electrically conductive body arranged to be electrically connected to the high voltage device. The conductive body comprises a layer having reduced electrical conductivity.

The invention relates to an induction charging and corona charging combined two-stage charging atomizing nozzle. The induction charging and corona charging combined two-stage charging atomizing nozzlecomprises a pesticide solution spray pipe, an airflow spray pipe and a conical charging cavity; the middle of the pesticide solution spray pipe is embedded with a ring-shaped pesticide solution electrode, the rear of the pesticide solution spray pipe is provided with a pesticide solution inlet, and the front portion of the pesticide solution spray pipe is a conical spray nozzle; the airflow spraypipe wraps the pesticide solution spray pipe, the front of the airflow spray pipe is provided with a ring-shaped air outlet, and the air outlet angle of the airflow spray pipe is identical to the opening angle of the conical charging cavity; the conical charging cavity is connected with the front portions of the pesticide solution spray pipe and the airflow spray pipe, the middle of the inner wall of the conical charging cavity is embedded with a ring-shaped induction electrode, and the front opening of the conical charging cavity is provided with a corona electrode with 8 corona needles; thepesticide solution electrode and the corona electrode are connected with the negative electrode of a power supply, the induction electrode is connected with the positive electrode of the power supply, pesticide solution is sprayed and atomized via the conical spray nozzle and meanwhile induces negative charges to complete a primary charging process; the 8 corona needles of the corona electrode discharge under action of corona voltage, negative charge ions encounter with and are combined with charged droplets when moving towards the induction electrode to complete a secondary charging process.

Electric field easing members (corona rings) for easing concentration of electric fields caused at edges of a core are disposed between the core and a winding to form a gap so to allow the presence of a cooling medium (insulating oil) between the top and bottom surfaces of the core and the electric field easing members. Thus, pressboards between the core and the electric field easing members become unnecessary, a wire-wound apparatus can be prevented from having a short service life due to the degradation of the pressboards, and the pressboards can be made to have a long service life because the electric field easing members are not heated by thermal conduction from the core.

The invention relates to fire suppression equipment based on charged water mist. The fire suppression equipment based on the charged water mist comprises an air duct, a worm current guiding device, acorona ring, an insulator, an axial flow fan, a current enlarging device, a hose, a fixing frame, a water storage tank, an auxiliary fan, an ultrasonic atomizer and universal wheels. A small water mist of a dry fog grade is generated through the ultrasonic atomizer, and the small water mist rises into the air duct under the action of the auxiliary fan and the axial flow fan, through the corona ring being connected with a negative electrode of a high voltage power supply, a corona zone is formed by the corona ring under the action of high voltage electricity, the small water mist is charged after passing through the corona zone, and the charged water mist is accelerated in a track in which the worm current guiding device carries out spiral, and then the water mist is ejected in a bowl shapethrough the current enlarging device. According to the fire suppression equipment based on the charged water mist, the coverage area is wide, the influence on objects in the fire area is little, andthe fire extinguishing effect and the explosion suppression effect are remarkable.

The invention discloses a dry electric precipitator with a metal mesh anode plate. The dry electric precipitator comprises a shell, the anode plate and an corona line, the anode plate and the corona line are arranged in the shell, the anode plate and the corona line are arranged alternately and in parallel, and an electric field is formed between the anode plate and the corona line; and the anodeplate comprises a frame and a metal mesh, the metal mesh is fixed in the frame, and the void rate of the metal mesh is 8-20%. The dry electric precipitator has the advantages that through the metal mesh, the lateral scour force of the ion wind on the anode plate is weakened, the production of secondary raising dust is reduced, the pressure of the overall device is lowered below 250 Pa, the equipment resistance is reduced, the fan design requirements and operating energy consumption are reduced simultaneously, and the fact that the outlet particle concentration is below 10 mg / m3 can be achieved; and the current density is significantly reduced, the total current required for the whole anode plate is reduced, the energy saving effect is obvious, the weight of the anode plate is also reduced,the total weight of the whole electric precipitator is greatly reduced, the overall steel mass, installation, manufacture and the like of the electric precipitator are reduced, and the cost is greatly reduced.

The arrester has a discharge column hangingly fastened to an overhead line such that the column performs an oscillating movement. A corona ring (4) is connected to the column and arranged at a free end of the column. The corona ring comprises a movement channel (5) i.e. annular duct. A balancing mass (6) is arranged in the movement channel, and moves along the movement channel against a deflection direction in an event of deflections of the arrester from a resting position. The mass comprises solid or liquid components, where solid components are designed as bulk from roll or sliding elements. The liquid components are selected from water and glycerol or a salt solution or a sugar solution or oils, or ester or an ionic liquid.

The invention belongs to the field of new materials and particularly relates to an anti-corona material for end parts of coil bars of motors and an application method of the anti-corona material. The novel anti-corona material for the end parts of the coil bars of the motors and the application method of the anti-corona material, provided by the invention, are used for overcoming the defect in the prior art that the anti-corona effect is unstable due to the fact that end part materials for the coil bars of the motors are mostly single silicon carbide micropowder. The anti-corona material provided by the invention is prepared from the ingredients in parts by weight: 20-30 parts of beta silicon carbide powder with grain size smaller than 20 microns and 50-70 parts of alpha silicon carbide powder with grain size of 20 to 40 microns. The application method of the anti-corona material provided by the invention comprises the steps of mixing the anti-corona material with a tackifier, a dispersant and a curing agent so as to prepare an anti-corona coating, and then, preparing an anti-corona tape with the thickness of 1mm to 2mm. The anti-corona material provided by the invention has better electrical properties and is good in anti-corona effect and more stable in corona prevention.

The invention discloses a corona ring. The corona ring comprises a ring shell body and a plurality of electricity suction needles, one end of each electricity suction needle is fixedly installed in the ring shell body, an air hole is formed in the upper surface of the ring shell body, the other end of each electricity suction needle penetrates out of the ring shell body through the air hole, the ring shell body is provided with an air pipe, and air is guided in from the air pipe and exhausted from the air hole. The corona ring structure is optimized, and the problem that the electricity suction needles at the exposed part of the corona ring is prone to being stained with powder is solved.

The invention relates to an anti-corona ring capable of preventing electric corrosion of an optical cable and an installation method of the anti-corona ring, and belongs to the technical field of power equipment. The anti-corona ring comprises two anti-corona ring bodies of the same structure, the two anti-corona ring bodies are located at the two ends of an ADSS optical cable respectively, each anti-corona ring body is a clamping section formed by spirally bending an aluminum alloy strip, the tail end of the clamping section 1 continues to be spirally bent to form an anti-corona section, the inner diameter of the clamping section is smaller than that of the anti-corona section, the clamping section is wound on a pre-twisted wire at an outlet of an ADSS optical cable fitting, the anti-corona section is arranged outside the ADSS optical cable close to the pre-twisted wire in a sleeving way, and the anti-corona section is non-contact with the ADSS optical cable. According to the invention, electro-corrosion at the outlet of the ADSS optical cable fitting can be effectively prevented.

The invention provides a support and shielding structure for a dry type air reactor, comprising a support member, a support member corona ring, a transition abutment member, and a post insulator, wherein the support member is connected to and supports the dry type air reactor either directly or through the transition abutment member or post insulator, and is also connected to the post insulator either directly or through the transition abutment member; the support member is preferably of a n-type structure with the opening rightward, including an upper panel, a lower panel and a side panel which are all of a hollow structure, and the upper panel and the side panel may be used for connecting the dry type air reactor, wherein the upper panel and the lower panel are vertically fixed respectively to the upper and lower ends of the side panel, and the support member corona ring is disposed adjacent to the upper panel and / or the lower panel. The support and shielding structure provided by the invention may well solve the problems such as tight floor space, support and electrical safety shielding of the dry type air reactor in the case of high seismic and insulation requirements.

The invention discloses a device for cooling and energizing a corona region of a plasma generator. The device comprises a particle refraction upper transparent plate and a particle refraction lower transparent plate. The particle refraction upper transparent plate is arranged below an upper plasma discharge body and the particle refraction lower transparent plate is arranged above the lower plasmadischarge body. Between the particle refraction upper transparent plate and the particle refraction lower transparent plate, there is a space for particle to oscillate repeatedly. The plasma generator used at normal temperature and pressure has not only its own function but also the function of vacuum plasma generator, which can deal with heavy and light materials at the same time.

The invention discloses dust removing equipment for polyimide film. The dust removing equipment comprises two supporting seats, and three rotating rods are movably connected to the opposite sides of the two supporting seats. During usage, an electric corona ring is powered on to generate an electrostatic field, gas ionization occurs through the electrostatic field, and thus dust particles are charged and are attracted to electrodes for dust collection; a heating device is disposed in a drying fan, so that the drying property of the electrostatic field is guaranteed, the dust sucking capacity is improved, and the gas flow mobility is further improved; during usage, the dust sucking effect can be improved, and thus the dust around the polyimide film can be effectively removed; and two dust removing devices are distributed on the upper side and the lower side of the polyimide film up and down, air molecules are ionized into positive ions and electrons in a strong electric field, the electrons encounter the dust particles while the electrons head to the positive electrode, then the dust particles are negatively charged and are attracted to a positive plate to be collected, the dust canbe attracted to the surface of the positive plate, and the nearby dust can be effectively isolated and removed.

The invention discloses a self-supporting overhead optical cable anti-corona ring which comprises a spiral part and a straight part which are fixedly connected, the spiral part is formed by bending a steel wire, the straight part is an iron wire, and a positioning wire is spirally wound on the straight part. When the anti-corona ring is installed, only the spiral part needs to be arranged at the tail end of a pre-twisted wire fitting in a sleeving mode, then the straight part is manually and spirally wound on the pre-twisted wire fitting. Compared with the prior art, the number of times of spirally stirring the anti-corona ring is reduced, the straight part is made of iron wires and is easier to bend, the climbing operation time of workers is effectively shortened, the assembled anti-corona ring can be axially limited through the matching of the positioning wire and the pre-twisted wire fitting, so that the normal working position of the anti-corona ring can be well kept.

The invention discloses a graded mist removal and water collection system based on electric field acceleration, which belongs to the field of air treatment. The present invention includes an electric field acceleration system, a droplet classification and collection system and a power supply system; the electric field acceleration system includes a positive electric field acceleration subsystem and a negative electric field acceleration subsystem installed oppositely; the droplet classification and collection system includes agglomeration room, corona ring, level I water collecting pan, level II water collecting pan, support rod, cylindrical ground electrode, insulating cylinder and collection container, the level I water collecting pan and level II water collecting pan are equipped with multiple indivual. Through the graded demisting and water collection system based on electric field acceleration designed in the present invention, liquid droplets with smaller particle diameters can be collected, the collision efficiency and water collection effect are improved, and the cost is greatly reduced.

An electron accelerator comprises a steel cylinder, a high-frequency transformer, two lines of semi-circular corona rings which are arranged inside the steel cylinder, a high pressure electrode which is arranged on the corona rings, two pieces of high-frequency electrodes which are arranged outside the corona rings and the high pressure electrode, an electron gun which is used to produce and excite electrons with a filament, a vacuum accelerating tube which is arranged under the electron gun, a filament transformer which is electrically connected on the filament and is used to regulate filament voltage and an electron gun filament power supply system which is electrically connected on the filament transformer and is used to supply power to the electron gun, the electron gun filament powersupply system comprises an electromotor which is arranged on the bottom of the steel cylinder and located under the corona rings, a centre rod whose one end portion is connected with an output end ofthe electromotor and an electric generator which is arranged inside the high pressure electrode and is electrically connected with the filament transformer, wherein the other end portion of the centre rod is connected with an input end of the electric generator and the centre rod is arranged inside an opening part of the semi-circular corona rings along the axial direction of the steel cylinder. The accelerator has the characteristics of simple structure, low cost, rapid response speed, stable supply voltage and convenient automatic control.

The invention discloses a graded demisting and water collecting system based on electric field acceleration, and belongs to the field of air treatment. The system comprises an electric field acceleration system, a fog drop grading collision and collection system and a power supply system, the electric field acceleration system comprises a positive electrode electric field acceleration subsystem and a negative electrode electric field acceleration subsystem which are oppositely installed. The fog drop grading colliding and collecting system comprises an agglomeration chamber, a corona ring, a plurality of I-stage water collecting discs, a plurality of II-stage water collecting discs, a supporting rod, a cylindrical ground electrode, an insulating cylinder and a collecting container, whereinmultiple I-stage water collecting discs and multiple II-stage water collecting discs are arranged. According to the graded demisting and water collecting system based on electric field acceleration designed by the invention, liquid drops with smaller particle sizes can be collected, the colliding efficiency and the water collecting effect are improved, and the cost is greatly reduced.

The present disclosure provides a fitting for a power transmission system. The fitting may include a first end configured to couple to an end of an insulator, a second end configured to couple to a power line, a collar located between the first end and the second end, and a neck located between the collar and the first end. An outer diameter of the collar may be greater than an outer diameter of the neck. A power transmission system with a fitting and corona ring assembly is also provided.

The present invention provides a water mist charging coupled particle modified and synergistic electrostatic precipitator system for heat pipes and its cooperative desulfurization wastewater treatment. The system includes a water mist charging device and an electrostatic precipitator. The water mist charging device is installed On the flue in front of the entrance of the electrostatic precipitator, the water mist charging device is connected to the desulfurization wastewater temporary storage pool, the water mist charging device is equipped with an atomizing nozzle, and a corona ring is installed downstream of the atomizing nozzle, and the corona ring is connected to a high voltage power supply . The invention provides a new heat pipe structure. At the same time, the invention obtains the mixed spray of desulfurization wastewater and particle modifier through the two-fluid atomizing nozzle, and charges the charging ring quickly, which can not only effectively treat the desulfurization wastewater, but also make the The fine particles are fully agglomerated to improve the removal efficiency of particles; at the same time, the water mist charging device can be installed on the flue in front of the entrance of the electrostatic precipitator, which is flexible and convenient.

A high voltage electric power switch with an anti-flashover nozzle that suppresses the likelihood of a flashover occurring between switch components other than the switch contactors, such as the nozzle casing around the first contactor (e.g., female or socket) and the casing around the second contactor (e.g., male or pin) during an opening stroke of the contactors. The anti-flashover features include a corona ring positioned at the proximal end of the nozzle casing and a nozzle clamp ring positioned to the distal side of a nozzle casing abutment that mates with a nozzle receiver. The conventional nozzle includes a nib-shaped proximal end of the nozzle casing carrying a clamp ring positioned on the proximal side of the abutment. The new nozzle design reduces the high level of electric field stress created by the conventional nozzle casing to suppress the likelihood of a flashover occurring between the contactor casings.

The invention discloses a dust removal equipment for polyimide film, which includes two support seats, and three rotating rods are movably connected to the opposite sides of the two support seats. When the invention is in use, the corona ring is energized to generate an electrostatic field, and the electrostatic field is used to ionize the gas so that the dust particles are charged and adsorbed to the dust collector on the electrode. A heating device is provided in the drying fan to ensure the dryness of the electrostatic field and increase It improves the dust adsorption capacity and increases the fluidity of the air flow. When used, it can increase the dust adsorption effect, thereby ensuring that the dust around the polyimide film can be effectively removed. The two dust removal devices are distributed up and down on the polyimide film. On the upper and lower sides of the imine film, air molecules are ionized into positive ions and electrons in the strong electric field. When the electrons run towards the positive electrode, they encounter dust particles, causing the dust particles to be negatively charged and adsorbed to the positive plate for collection. The dust can be adsorbed on the positive plate. The surface of the positive plate can effectively isolate and clean nearby dust.