32results about How to "Stabilized Corona Discharge" patented technology

The invention belongs to the technical field of air disinfection and purification and relates to a metal strap-plate structure reactor comprising positive electrodes, negative electrodes and a housing, wherein each positive electrode is positioned between the two neighboring negative electrodes, and the housing is provided with an air inlet and an air outlet. The metal strap-plate structure reactor is characterized in that the positive electrodes are arranged in the same plane by a plurality of oxidization-resistance metal straps and arranged in parallel by equal distance to form an assembly, and the negative electrodes are made of aluminum plates or stainless steel plates; and both ends of each positive electrode are respectively fixed on a microdischarge-preventing conducting rail, and both ends of the microdischarge-preventing conducting rail are fixed with the housing through an insulating connector. The metal strap-plate structure reactor effectively prevents the microdischarge phenomena of the positive electrodes, prolongs the service life of the metal straps, enhances the concentration of plasma generated by the reactor, improves the air disinfecting and purifying efficiency and has energy saving. The aluminum plate surfaces of the negative electrodes are coated with TiO2 so that the reactor has the effect of yielding twice the result with half the effort. The reactor is a core component of a non-thermal plasma air disinfecting purifier and is a regenerated product of a sawtooth-shaped or needle-point-shaped reactor with nonuniform corona discharge.

The invention belongs to the technical field of clean rooms, in particular relates to a clean room with a non-thermal plasmas air disinfection purifier. The clean room comprises an air purification unit, a reactor power, a fan, the clean room, a fresh air system, a controller, an air return trench, an air filter, a static pressure box, a return air pipe and a grating floor. The air purification unit is installed in the static pressure box arranged above the clean room to form an airtight environment; the air purification unit is a plasma reactor, is internally provided with a plurality of nickel-chromium metal wires or metal bands which are arranged in parallel according to equal distance in the same plane to prepare a positive electrode, two ends of the air purification unit are fixed in a corresponding groove or convex part on a conductive rail for preventing micro-discharge, and a switch tube in the reactor power is arranged by a single-end flyback inverter. The invention provides the clean room, which has the advantages of comprehensive air purification and disinfection effect, high efficiency, low energy consumption, low noise, simple structure, maintenance cost saving and long service life and can be applied to an industrial or biological clean room.

The invention relates to a plasma air sterilizing and purifying device for an air-conditioned train, which comprises a plasma reactor, a pulse power source, a fan component, an air inlet, an air outlet and a shell and is characterized in that a positive electrode which is formed by arranging a plurality of nickel-chromium metal wires or nickel-chromium metal bands in the same plane at equal intervals in parallel is arranged in the plasma reactor; the positive electrode is arranged in the middle position of two adjacent negative electrodes; the two ends of the positive electrode are fixed in a groove or a convex part corresponding to a conductor rail for preventing micro-discharge; each negative electrode is made of an aluminum plate the surface of which is oxidized, and nano-TiO2 is respectively laid on the two surfaces of each negative electrode; and a pulse transformer and a pulse generator are arranged in the pulse power source and are arranged according to a single-ended flyback inverter. The device of the invention is arranged at the return air inlet or the air outlet of an air conditioner in a carriage, and the existing facilities of the air-conditioned train do not need to be changed. The device of the invention is the optimal combination of plasma and TiO2, has high dynamic sterilization and purification efficiency of a passenger train, and has the advantages of energy saving, good reliability, long working life, simple structure and convenient installation.

The invention relates to an athermal plasma purifying unit, belonging to the technical field of air sterilization and purification. The athermal plasma purifying unit comprises a plasma reactor, a pulse power source, a fan assembly, an air inlet, an air outlet, a power source coupler and an outer case. A positive electrode comprising a plurality of nickel-chromium metal wires or metal straps is arranged in the reactor, and both ends of the positive electrode are fixed in corresponding grooves or protrusions on a conductor rail for preventing micro discharge. The pulse power source is providedwith a digital control circuit, an oscillator, an error amplifier and a PWM (Pulse-Width Modulation) comparator are arranged in the digital control circuit, and the operating current of the plasma reactor is converted into a digital control current to control the width of an output pulse. The invention effectively stops the micro discharge phenomenon of the reactor and prolongs service life, and the high-voltage pulse current can increase the concentration of the plasma, can improve air sterilization and purification efficiency and can save energy. The athermal plasma purifying unit can be widely applied to places having high requirements for cleanness, such as factory clean rooms, hospital operating rooms, isolation wards and the like, and can also be applied to the air sterilization andpurification of places such as office buildings, theatres, trains, automobiles, subways and the like.

The invention relates to a non-thermal plasma reactor, belonging to the technical field of air disinfection and purification. The reactor comprises positive electrodes, negative electrodes and a shell, wherein the positive electrodes are arranged in the middle of two adjacent negative electrodes; and an air inlet is arranged at the front end of the shell and an air outlet is arranged at the rear end of the shell. The reactor is characterized in that the positive electrodes are made into a component in such a way that a plurality of metal wires or metal straps are arranged in the same plane and are arranged in parallel in equal distance; the negative electrodes are made of aluminium sheets or stainless steel sheets; the two ends of the positive electrodes are fixed on conductor rails preventing microdischarge; the two ends of the conductor rails are fixed with positive electrode metal supports; and each positive electrode metal stent is fixed with the shell by insulating connecting columns and is electrically connected. The reactor effectively prevents microdischarge of positive electrodes, prolongs the operation lives of the metal wires or metal straps, reinforces the concentration of the plasmas generated by the reactor and saves energy. The reactor is widely applied to non-thermal plasma air disinfection purifiers.

The invention belongs to the technical field of air disinfection purification, in particular to a purifier with a metal band-plate structure reactor. The purifier comprises a plasma reactor, a pulse power source, a blower assembly, a controller, an air inlet, an air outlet and a shell, wherein the positive electrode of the reactor is made of a plurality of antioxidant metal bands, while the negative electrode thereof is made of surface oxidized aluminum plates, two sides of the reactor are coated by nanometer TiO2, and two ends of the positive electrode are respectively fixed on the concave top end on a corresponding conductive rail; and an oscillator, an error amplifier, a PWM comparer and a switching tube are arranged in the pulse generator; and the switching tube is set by a single-ended flyback inverter. The purifier has the advantages of uniform corona discharge, high strength of generated plasma and free radical, good reliability and long working service life, solves the defects and prejudice in the prior art, and can be applied to air disinfection purification for clean rooms of factories, operating rooms of hospitals, office buildings, conference rooms, theaters, trains, automobiles, metros, vessels and other public places and household.

The invention relates to a plasma air disinfection purifier for an automobile, which comprises a plasma reactor, a pulse power supply, a fan component, an air inlet, an air outlet and a casing and is characterized in that the plasma reactor is internally provided with multiple positive electrodes prepared by arranging nickel-chromium metal wires or metal bands in the same plane in an equidistant and parallel mode, and the positive electrodes are arranged on the middle position of each two adjacent negative electrodes; the two ends of each positive electrode are fixed on corresponding grooves or projections on an anti-microdischarge conductor rail; the two ends of the conductor rail are provided with insulation materials fixed on the corresponding positions of the casing; and the negative electrodes are made of an aluminum sheet after surface oxidation treatment, and the two surfaces of each negative electrode are laid with nanoscale TiO2. The plasma air disinfection purifier has high efficiency in disinfecting, absorbing inhalable particulates and degrading toxic and harmful gases, energy conservation, good reliability, long service life, simple structure and convenient installation, can be used for disinfecting and purifying dynamic air in an automobile especially a sedan, and also can be used for disinfecting and purifying air in subways, light rail carriages, offices, housing and the like.

The invention relates to an air duct type electronic air purification machine, belonging to the field of air sterilization and purification technologies. The air purification machine comprises a plasma reactor, a pulse power source, an air inlet and an air outlet. A positive electrode and a negative electrode are arranged in the plasma reactor, wherein the positive electrode is made of an oxidation resisting metal strap, the negative electrode is made of an aluminum plate or a stainless steel plate, and both faces of the negative electrode are coated with TiO2. A micro discharge preventing conductor rail made of an aluminum bar or a stainless steel bar is also arranged, and both ends of the positive electrode are fixed on relative positions on the micro discharge preventing conductor rail. The air purification machine can kill bacteria and viruses, degrade organic compounds and remove particulate pollutants, the produced plasma has high concentration, ozone and oxynitride have low concentration without secondary pollution, and the sterilization effect is doubled. Moreover, the invention has the advantages of simple structure, energy saving, high reliability and long service life. The air purification machine is installed in an air duct of a central air-conditioning system and used for the air sterilization and purification of places such as hospitals, clean rooms, office buildings, shopping malls, hotels, theatres, airports, subways, and the like.

The invention belongs to the technical field of air disinfection and purification, and in particular relates a plasma air disinfecting and purifying air conditioner. The plasma air disinfecting and purifying air conditioner comprises an indoor cabinet machine and an outdoor principal machine, wherein the indoor cabinet machine is internally provided with a plasma reactor, a pulse power supply, anair blower, a heat exchanger, and the like; the plasma reactor is internally provided with a positive electrode, a negative electrode and a plurality of micro-discharge preventing conductor rails, wherein the positive electrode is made of a plurality of metal bands which are arrayed in parallel, the negative electrode is an aluminium plate or a stainless steel plate, the plurality of micro-discharge preventing conductor rails are made of aluminium bars or stainless steel bars, and both ends of the positive electrode metal bands are respectively fixed on the corresponding positions of the micro-discharge preventing conductor rails. The invention can not only regulate the temperature, but also kill the bacteria and the viruses, degrade the organic compound pollutants, remove the granular aerosol without secondary pollution, has the advantages of energy saving, good reliability and long working service life, is specially designed for the air disinfecting and purifying air conditioner andcan be used for places, such as a hospital, a clean room, an office building, a shopping mall, a hotel, a family, and the like.

An electro-acoustic transformation electrode comprises a high-voltage electrode (1), an inner insulating cylinder (2), an outer metal cylinder (3), a ground terminal (4), a second outer cylinder (5) and a metal cap (6), wherein the upper portion of the inner insulating cylinder (2) is sleeved with the metal cap (6), the lower portion of the outer metal cylinder (3) is sleeved with the second outer cylinder (5), the inner insulating cylinder (2) is installed in the outer metal cylinder (3), the high-voltage electrode (1) is formed by bundling of multiple single-core insulated cables in the same length, an insulating layer at one end of each insulated cable is stripped off, exposed center conductors are welded together to serve as the leading-out end of the high-voltage electrode (1) to be connected with the high-voltage output end of an external power supply, the other end of the high-voltage electrode (1) is placed in liquid with certain electrical conductivity, the enclosed space defined by the outer metal cylinder (3), the second outer cylinder (5) and the inner insulating cylinder (2) is filled with the liquid, and the high-voltage electrode (1) is inserted into the inner insulating cylinder (2) to be sealed and fixed.

The invention discloses a piston type transduction electrode, comprising a housing, an insulator, an outer cap (4) and a high voltage electrode (9). The high voltage electrode (9) is positioned inside the insulator; the insulator is sleeved in the housing; the outer cap (4) covers above the housing and the insulator; in the housing, a middle cylinder (2) sleeves an upper part of an outer cylinder (1); the middle tube (2) can be moved up and down under an external force; the upper limit of the movement is the lower rim of a fixed member (3);in the insulator, an insulation cylinder (6) sleeves in the upper segment of the middle cylinder; the insulation sleeve (8) is arranged in the lower segment of the outer cylinder (1) and in the middle segment and the lower segment of the middle cylinder (2) in a sleeved manner; a high voltage electrode (9) is arranged inside the insulation cylinder (6); the high voltage electrode (9) consists of a plurality of single-core insulation cables; the center conductors of the plurality of cables are connected through a busbar; and the busbar is connected to a high voltage terminal of an external power source through a stud; and the plurality of single core insulation cables are arranged in a conducting solution which fills up a sealing space defined by the insulator.

A megavolt low jitter multistage corona switch comprises a knife structure electrode 1, a plate electrode 2, a first insulator 3, a screw 4 and a second insulator 5. The corona switch comprises multi-stage corona intervals which employ knife-board structure; the electrode of each corona interval is adjustable; and sulfur hexafluoride gas is supplied to the corona switch. When the switch works, one-stage corona interval is preferentially broken down, and other corona intervals are broken down in the overvoltage. Because the structure of each-stage corona interval is the same, the breakdown voltage of each corona interval is the same. The structure with the same corona interval cascading ensures the low breakdown voltage jitter, reduces the electric field enhancement coefficient, improves the breakdown voltage of the corona intervals and ensures that the corona intervals of overvoltage breakdown have enough high undervoltage rate so as to obtain fast output pulse front edge.

The invention relates to a device for reducing the temperature of circulation water of a cooling tower to mainly solve the problems that according to an existing power plant cooling tower, the temperature of circulation water is high, water consumption is large, the cost of an air cooling unit is high, maintaining is not convenient, and running cost is high. N cathode frames are arranged above a frame girder in the cooling tower, N parallel cathode needles are fixedly arranged on the cathode frames in the vertical direction, the outer side of each cathode needle is provided with an anode plate parallel to the cathode needle, the cathode frames are fixed to the lower portions of the sections of the anode plates, and the anode plates are fixed to the frame girder through a supporting frame and an insulator below the supporting frame. A direct current is exerted between two electrodes, wind energy is produced through convection of electric ions between the two electrodes, the contact area between the high enthalpy water and the low enthalpy cold air in the tower can be increased, the temperature of circulation water falling into a water collecting pool below the tower can be reduced, the temperature of circulation water can be reduced by 1-5 DEG C, and the evaporation capacity of circulation water is reduced by 80 percent. The device is low in production cost and easy to install.

The invention provides an ion generator and an electrostatic eliminator. The electrostatic eliminator comprises a voltage source device and two ion generators connected with the voltage source device,the two ion generators are oppositely arranged, electrode needles on the two ion generators are parallel to each other, and the tip directions of the electrode needles are the same; each ion generator comprises a base body and at least one electrode needle fixed on the base body, at least one accommodating cavity is formed in each base body, and one electrode needle accommodates in each accommodating cavity; the tail end of each electrode needle is fixed on one base body in one accommodating cavity, and the tip end of each electrode needle extends out of one accommodating cavity and is higherthan the surface of one base body. According to the electrostatic eliminator composed of the ion generators with the needle-cavity structure (namely, the at least one electrode needle is contained inthe at least one accommodating cavity), airflow and ion flow can be transmitted more easily based on the gap between the electrode needle and the at least one accommodating cavity in the needle-cavity structure, and therefore corona discharge can be stably generated in the nitrogen environment.