35 results about "Plasmatron" patented technology

A novel apparatus and method is disclosed for a plasmatron fuel converter (“plasmatron”) that efficiently uses electrical energy to produce hydrogen rich gas. The volume and shape of the plasma discharge is controlled by a fluid flow established in a plasma discharge volume. A plasmatron according to this invention produces a substantially large effective plasma discharge volume allowing for substantially greater volumetric efficiency in the initiation of chemical reactions within a volume of bulk fluid reactant flowing through the plasmatron.

A method and apparatus for a multistage plasmatron fuel reformer system having a wide dynamic operational range. In one aspect, the system includes a plasmatron configured for low flow operation followed by a reaction extension cylinder and then by a nozzle section capable of providing additional air and / or fuel inputs. The nozzle section is then followed by another reaction extension region. When high flow rate of the system is needed, the low fuel flow rate provided by the plasmatron followed by the first reaction extension region provides the high temperature used to effectively initiate the partial oxidation reaction in the next section. The initiation of this reaction may also be facilitated by the presence of hydrogen.

A tubular plasma display (TPD) is composed of an electroded sheet (electroded sheet) attached to an array of plasma tubes. Both the electrode sheet and the plasma tube array contain wire electrodes, which create very electrically conductive lines and the ability to address very large displays. The electroded sheet is composed of a thin flexible polymer substrate with embedded wire sustain electrodes. Each plasma tube is individually sealed and contains a wire address electrode, a hard emissive coating, a color phosphor and a Xenon based plasma gas. Polymer-based color filter coatings may also be applied to the surface of the plasma tubes after they are gas processed and sealed to drastically increase the bright room contrast, brightness, and color purity of the display.

A novel apparatus and method is disclosed for a plasmatron fuel converter (“plasmatron”) that efficiently uses electrical energy to produce hydrogen rich gas. The plasmatron has multiple decoupled gas flow apertures or channels for performing multiple functions including fuel atomization, wall protection, plasma shaping, and downstream mixing. In one aspect, the invention is a plasmatron fuel converter comprising a first electrode and a second electrode separated from the first electrode by an electrical insulator and disposed to create a gap with respect to the first electrode so as to form a discharge region adapted to receive a reactive mixture. A power supply is connected to the first and second electrodes and adapted to provide voltage and current sufficient to generate a plasma discharge within the discharge region. Fluid flows are established in the vicinity of the plasma discharge region by multiple decoupled flow establishing means.

Disclosed is a plasmatron, comprising a cylindrical chamber part having a cylinder electrode, an orifice plate disposed in the cylindrical chamber part for dividing the chamber into a first chamber with an air inlet and a second chamber with an air outlet, a rod-shaped electrode which is disposed in the second chamber and is placed at the central axis of the cylinder electrode, and a sub-electrode which is disposed at the first chamber and is capable of applying an electric potential different from the cylinder electrode. The plasmatron applies an electric field between the cylinder electrodeand the rod-shaped electrode to generate a plasma, and further applies an electric field between the cylinder electrode and the sub-electrode to generate a separated plasma is generated between the rod-shaped electrode and the cylinder electrode. The plasmatron also has a plasma region formed by the first and the second chambers being connected through the hole of the orifice plate.

The present invention concerns a DC arc plasmatron which is a plasma generator at the atmospheric pressure having a structure suitable for improving chemical activity of plasma.The DC arc plasmatron according to the invention comprises a rod cathode 110 connected to a DC power supply 1000, and formed to be positioned close to a nozzle to be a negative; a nozzle anode 120 formed on the nozzle to be a positive, being an opening to inject plasma into a functional gap 150 and having an anode inlet 122, wherein the plasma is created by gas discharge for forming the plasma between the cathode and the anode; a functional anode gap formed on the nozzle to be a positive so that either a function gas or a gas mixture is supplied on some part of the passage of the anode to make it react with the plasma forming gas through the nozzle inlet; and a gas supply unit for supplying a plasma forming gas flowing through the nozzle anode from the side of the rod cathode.The anode comprises an anode inlet 122 as an inlet of the functional gap 150; an anode outlet 125 as an outlet of the functional gap 150; the functional gap 150 formed as a disk shaped space 300 communicating with a part of the passage between the anode inlet 122 and the anode outlet 125; a gas collecting chamber 500 formed with a chamber member communicating with the disk shaped space 300; and a functional process gas conduit 600 communicating with the gas collecting chamber 500 and formed so that either the functional gas or a gas mixture can be supplied.The functional gap 150 is formed to have a height G to be 0.3A to 3A with respect to the diameter A of the anode inlet 122. The anode outlet 125 is formed to have a diameter D to be 0.3A to 3A with respect to the diameter A of the anode inlet 122. A method of using the plasmatron according to the invention comprises the steps of: a first step of selecting a proper functional gas, supplying it to the functional process gas conduit 600 and thereafter supplying a plasma forming gas in the space around the rod cathode 110 and the anode 120; a second step of supplying cold water and operating the DC power supply 1000 connected to the plasmatron; a third step of initiating arc discharge by applying high voltage across the rod cathode 110 and the anode 122, and activating the plasma forming gas and the functional gas by interaction therebetween while the plasma forming gas is excited and heated; and a fourth step of, after fixing a process variable to a proper level, discharging the gas in the arc discharge area through the anode outlet 125 of the plasmatron to reach a appropriate vacuum pressure while keeping the process variable at an appropriate level.Chemical activity of plasma jets formed by means of the plasmatron and the method according to the invention is improved and the completion level in the chemical process of plasma by the functional gas is improved.

The invention relates to a cathode life monitoring method and device for a plasmatron, wherein, the method includes the following steps: related information of the electric current passing through a plasmatron cathode is obtained; according to the electric current, the consumption rate of the cathode is determined; moreover, according to the consumption rate, the residual life of the cathode is calculated. According to the invention, the residual life of the cathode can be predicted; therefore, the plasmatron cathode can be replaced in time.

A plasma tube array-type display device has an improved high resolution and sufficient brightness. In the plasma tube array-type display device comprising a plasma tube array that includes a plurality of plasma tubes 31, 31, . . . arranged in parallel, each plasma tube 31 has a transverse section orthogonal to the longitudinal direction of a vertically long, flattened shape having its longer diameter vertically, and the plurality of plasma tubes 31, 31, . . . are arranged to adjoin each other by their tube walls of longer diameter side.

The invention relates to a method and a device for reducing arc plasmatron electrode ablation. The arc plasmatron mainly comprises a cathode, an anode, an insulation member and an outer sleeve. Mechanical knurling, wire drawing, sand blasting and shot blasting for a surface of an arc plasmatron electrode are carried out, the electrode surface appearance, a stress status and the microscopic organization and the crystal phase structure are changed, so the energy state of the surface of the electrode is changed, the attachment reaction energy of arcs attached to the surface of the electrode is influenced, or micro attachment points are scattered, and thereby electrode ablation of the arc plasmatron can be reduced.

The invention relates to an electronic device and a circuit module thereof. The circuit module is electrically connected with a circuit substrate unit, the circuit substrate unit comprises a power output end, the circuit module comprises a substrate, a step-up circuit and a plasmatron, the substrate is provided with at least one through hole, and the substrate is used for connection with the circuit substrate unit in a direction opposite to the thickness side; the step-up circuit, which is arranged on the substrate, comprises at least one conductive circuit and a plurality of electronic elements electrically connected with the conductive circuit, the conductive circuit comprises a power input end capable of electrically connecting with the power output end and two power output ends, and the electronic elements are inserted in the through holes; the two opposite ends of the plasmatron are provided with electrodes which are electrically connected with the power output ends. The electronic device comprises the circuit module and the circuit substrate unit electrically connected with the circuit module, and the circuit substrate unit is connected with the substrate of the circuit module in a direction opposite to the thickness side. When plugged in a mainboard, the electronic device does not easily occupies a space, so that more electronic devices can be plugged in the mainboard.

The invention discloses a light plasma tube pressure sealing system and a pressure sealing method. The light plasma tube pressure sealing system is used for pressure sealing of an electrode at the endof a glass tube. The light plasma tube pressure sealing system includes a glass tube transfer mechanism, an electrode placing rack, a pressure sealing device, a first clamping device and a second clamping device; the pressure sealing device includes a rotating frame, a first driving mechanism, workbenches for positioning the glass tube and the electrode, and a pressure sealing mechanism for pressure sealing; at least two workbenches are provided, and the two workbenches are spaced from each other in the rotation direction of the rotating frame; the first clamping device includes a first robotarm and a first glass tube clamp installed on the end of the first robot arm; and the second clamping device includes a second robot arm and an electrode clamp installed at the end of the second robot arm. The light plasma tube pressure sealing system can realize automatic pressure sealing operation, can ensure the consistency of the products, and can separate the positioning process from the pressure sealing process; therefore, the pressure sealing mechanism can work continuously, and the work efficiency is further improved.

The invention discloses a device for preparing a SiNx dielectric film by chemical vapor deposition, which is characterized by comprising a reaction chamber, wherein a substrate mounting base is arranged in the reaction chamber; the substrate mounting base is perpendicular to the length direction of the reaction chamber; the reaction chamber is connected with a plasma excitation chamber; an opening of the plasma excitation chamber is over against the substrate mounting base; the plasma excitation chamber is connected with a plasmatron; the plasmatron is connected with a waveguide tube; the waveguide tube is provided with a magnet; the plasmatron is connected with a first reaction gas inlet tube; a substrate heater is arranged in the substrate mounting base; the reaction chamber is connected with a vacuum extractor; and a second reaction gas inlet tube is connected with the reaction chamber. In order to overcome the defects in the prior art, the invention provides a device for preparing a SiNx dielectric film by chemical vapor deposition, which has the advantages of simple structure and low production cost.

The invention discloses a light plasma generation device, a disinfection cabinet and a disinfection method. The light plasma generation device comprises a reflector, a light plasma tube and a fan, andlight emitted by the light plasma tube and wind blown by the fan both flow out of an opening in the reflector to a disinfection space of the disinfection cabinet for disinfection; and a second heating piece is arranged on an inner container of the disinfection cabinet and used for heating the sterilization space, decomposing ozone in the sterilization space and drying to-be-disinfected articles in the sterilization space. According to the device, cabinet and method, when the disinfection cabinet works, the light plasma generation device and the second heating piece simultaneously work, and the dead-corner-free, peculiar-smell-free and efficient sterilization can be achieved; and the sterilization and drying are conducted at the same time so that the disinfection time can be greatly shortened.

The invention belongs to microwave plasma torches, and particularly relates to a handheld medical low-power microwave plasma torch with an enhanced medium nozzle. The coaxial cable is of a coaxial structure and comprises a metal outer conductor, and a metal inner conductor is coaxially arranged in the metal outer conductor in a sleeved mode. The plasma tube is sequentially divided into a first coaxial section, a second coaxial section and a third coaxial section in the plasma spraying direction. A medium nozzle is arranged on the inner wall of the metal outer conductor of the third coaxial section and is not in contact with the metal inner conductor. Due to the fact that the medium nozzle is added in the plasma tube, the electric field intensity at the top end of the electrode is enhanced by combining reflection formed by microwaves on the inner wall of the medium nozzle and an air flow layer interface, and therefore, plasma is excited under watt-level power. Compared with the prior art, the excitation of the plasma jet at low power is realized, and the device has the advantages of high efficiency, strong stability and the like.

The invention discloses a double-layer plasmatron and application thereof. The plasmatron comprises an internal ablation layer, the two ends of the internal ablation layer are connected with anode andcathode plugs respectively, the internal ablation layer is sleeved by an external ablation layer, a discharging gap is arranged between the external ablation layer and the internal ablation layer, and groove holes communicated with the discharging gap are arranged in the radial direction of the external ablation layer. According to the double-layer plasmatron and application thereof, the plasma ablation wall is large, the internal pressure of an ablation space is controllable, the generated plasma quantity is large, the plasmatron can be directly used for powder ignition, and the problems inuniformity, consistency and controllability in the plasma ignition propellant process can be solved.

A plasmatron type waterfall water treatment device comprises a water collecting tank, a plasma generator, a high-voltage electrode, a quartz glass tube, a perpendicular tube, a wire and the like. The plasma generator is connected with the high-voltage electrode through the wire. The high-voltage electrode is connected with the quartz glass tube. A tube body of the quartz glass tube is partly placed in the perpendicular tube. An air inlet, a water inlet and a water outlet are located in the two sides of the water collecting tank. A water body flows into the water collecting tank from the water inlet and forms waterfall type water flow from top to bottom along the perpendicular tube according to a free falling body gravity principle. Air collides with the quartz glass tube through the air inlet to generate plasmas and makes full contact with the water flow, and treatment area is enlarged; the plasmas are dispersed in water in the form of micro-bubbles, and organic matter is removed. On the other hand, the plasmas can react with water to generate active oxygen components and then act on the water body, so bacteria and algae lose a reproductive function, bacteria, algae and other microorganisms in the water body are rapidly and effectively killed, and the water treatment efficiency is remarkably improved.

The invention designs an air management system for a snow wax car carriage. The system comprises the snow wax car carriage, a fresh air fan main machine is installed on the snow wax car carriage, a fresh air inlet, a fresh air outlet, an exhaust air inlet and an exhaust air outlet are formed in the fresh air fan main machine, a fresh air ventilation pipeline is arranged between the fresh air inlet and the fresh air outlet, an exhaust ventilation pipeline is arranged between the exhaust air outlet and the exhaust air inlet, and light plasma pipeline sterilization devices are arranged in the fresh air ventilation pipeline and the exhaust ventilation pipeline; filter screens are further arranged in the fresh air ventilation pipeline and the exhaust ventilation pipeline, and sterilization coatings are arranged on the filter screens. Air entering and discharged out of the snow wax car carriage can be filtered and sterilized through the filter screens, the sterilization coatings and the light plasma pipeline sterilization devices, it is guaranteed that the air guided into the snow wax car carriage is fresh and free of pollution, and the whole space in the snow wax car carriage is healthy and clean.

The invention discloses a plasma tube with a built-in resistor. The plasma tube is characterized in that an electric heating wire is wound on the outer side of a heating ceramic tube, and the outer side of the electric heating wire and the outer side of the heating ceramic tube are wrapped with a thermal shrinkage insulating bushing through a thermal shrinkage technology to form a resistor assembly; a tungsten filament is wound on the spiral groove of an external threaded ceramic tube, and a stainless steel cylinder which is curled into a cylinder shape is attached to the inner wall of the external threaded ceramic tube to form an ion tube assembly; and the resistor assembly is arranged in the ion tube assembly to form the plasma tube with the built-in resistor. According to the invention, during working, the plasma tube is matched with a direct-current power supply and a high-voltage oscillation circuit for use; the heat energy of the resistor assembly removes water mist on the surface of the ion tube assembly so as to greatly reduce the oscillation starting load of the high-voltage oscillation circuit, and when the medium discharges, the heat energy emitted by the resistor assembly plays a role in promoting the discharge of the medium; and the plasma tube has the advantages of being simple in structure, convenient to use, wide in application range and high in working efficiency.

The invention relates to an optical plasma tube production device, and the device comprises the components of a conveying unit which is used for conveying a tube body; a carrying unit which is used for transferring the pipe bodies among different units; a tube baking unit which is used for heating and softening the tube body; a pipe bending unit which is used for bending the linear pipe body; a sealing and pressing unit for sealing and pressing the electrode at the end of the tube body; a control unit which is in signal connection with the conveying unit, the carrying unit, the pipe baking unit, the pipe bending unit and the sealing and pressing unit so as to control the carrying unit to carry the pipe body and enable the pipe body to be transferred among the pipe baking unit, the conveying unit and the sealing and pressing unit, or the control unit controls the carrying unit to carry the pipe body and enables the pipe body to be transferred among the pipe bending unit, the conveying unit and the sealing and pressing unit.