63results about "Spraying power supply" patented technology

An applicator for electrostatic deposition of dry powder on a grounded continuous moving electrically conductive web is provided that includes a powder feeding system, at least one powder dispenser, an electrostatic deposition chamber, and at least one wire electrode in the electrostatic deposition chamber. An opening of a powder dispenser outlet is arranged along the latitude of the electrically conductive web, and the ratio of the width of the outlet opening and the coating width of the web is in the range of 0.25-1.0. The powder dispenser has a defined angle relative to the web and a vertical distance between the powder dispenser outlet and the web. The first wire electrode generates a corona discharge zone with a radius and have a vertical distance between the web.

The application discloses a kind of EUV light source target drop motion form control storage device and control method.Sn target drop ejection cavity is connected with liquid drop storage component, and liquid drop induction charging component is installed at the junction of nozzle and liquid drop storage component;Liquid drop biasing component is installed in liquid drop storage component.The method comprises: through liquid drop biasing component control device is in liquid drop storage mode, liquid drop use mode and liquid drop frequency conversion mode, realize the storage, use and frequency conversion of charged liquid drop.The application realizes the buffering and state adjustment of target drop after charging, realizes the temporary access of target drop, more accurately adjusts the spatial position and motion state of liquid drop, realizes the uninterrupted supply of target drop during raw material heating and rapid start after shutdown.Realize liquid drop frequency conversion, can satisfy the generation of high-frequency liquid drop due to the defect of low-frequency liquid drop, improve light source energy conversion efficiency and output power, reduce fragment pollution, improve light source system reliability.

The utility model provides a corona ring applied to an elbow spray gun, which comprises an annular body, a connecting piece and a fixing piece, a conductive needle is arranged on the annular body, the first end of the conductive needle is positioned in the annular body, the second end of the conductive needle penetrates through the annular body and is positioned on the outer side of the annular body, and the connecting piece is connected with the fixing piece. The connecting pieces comprise the first connecting piece and the second connecting piece, the first end of the first connecting piece is connected with the annular body, the second end of the first connecting piece is connected with the first end of the second connecting piece, and the second end of the second connecting piece is connected with the fixing block through a telescopic cable. The extension direction of the first connecting piece is perpendicular to the plane where the annular face of the annular body is located, and the extension direction of the second connecting piece is perpendicular to the extension direction of the first connecting piece, so that the extension direction of the second connecting piece is parallel to the plane where the annular face of the annular body is located.

To provide a discharge device capable of increasing the production of active ingredients.SOLUTION: The discharge device includes a discharge electrode 41 and a counter electrode 42. The discharge electrode 41 has a tip 411. The counter electrode 42 is arranged to face the tip 411 of the discharge electrode 41 via a gap. The discharge device generates a discharge by applying a voltage between the discharge electrode 41 and the counter electrode 42. The discharge electrode 41 protrudes toward the counter electrode 42. The counter electrode 42 has a discharge part 420 where a discharge occurs between the discharge part and the tip 411 of the discharge electrode 41. The discharge part 420 extends linearly along the circumference around the tip 411 of the discharge electrode 41.SELECTED DRAWING: Figure 3

An electrostatic spray nozzle assembly is described that includes an induction ring and a fluid tip. The induction ring generates an electrical field for inducing an electrical charge on droplets of a feedstock liquid from the fluid tip that pass through an opening of the induction ring. The induction ring is electrically coupled to an electrical induction field source via a first conductive path comprising at least an electrically conductive pliable structure, such as a stainless steel spring. Feedstock flowing through the fluid tip is electrically coupled to a charge carrier source via a second conductive path provided by at least a conductive surface of a fluid tube coupled to the fluid tip. The first conductive path and the second conductive path are electrically isolated by an insulating barrier.

The invention relates to a high-voltage cable (6), in particular for electrostatically charging a paint in a painting system for painting motor vehicle body components (14) with a paint. The high-voltage cable (6) according to the invention has an electrically conductive first conductor (7) extending in the longitudinal direction of the cable. According to the invention, the high-voltage cable (6) additionally has an electrically conductive second conductor (9) extending in the longitudinal direction of the cable, wherein the second conductor (9) is electrically insulated from the first conductor (7). The invention further relates to a coating system having such a high-voltage cable (6) and to the novel use of such a high-voltage cable (6) in a coating system.

An electrostatic spray nozzle assembly is described that includes an induction ring and a fluid tip. The induction ring generates an electrical field for inducing an electrical charge on droplets of a feedstock liquid from the fluid tip that pass through an opening of the induction ring. The induction ring is electrically coupled to an electrical induction field source via a first conductive path comprising at least an electrically conductive pliable structure, such as a stainless steel spring. Feedstock flowing through the fluid tip is electrically coupled to a charge carrier source via a second conductive path provided by at least a conductive surface of a fluid tube coupled to the fluid tip. The first conductive path and the second conductive path are electrically isolated by an insulating barrier.

The application discloses a low-cost electrospray device for capturing nanoparticles in a vacuum system, which comprises a micro-injection pump, a stainless steel capillary, a high-voltage direct-current power supply and a vacuum cavity. The micro-injection pump is used to slowly extrude a syringe to provide a stable flow rate of a nanoparticle solution for the device. A conductive wire is connected to the liquid through a PEEK tee connector to charge the liquid. The vacuum cavity is located behind the electrospray and has a pressure lower than the atmospheric pressure. The charged liquid is attracted by a grounded metal ring after flowing out of the stainless steel capillary, breaks through the surface tension and forms a uniform spray to pass through the middle of the grounded metal ring. The electrospray is sucked into the vacuum cavity due to the pressure difference. A quadrupole rod is arranged in the vacuum cavity to guide and store the nanoparticles. The device can form a stable and continuous nanoparticle electrospray by providing a lower voltage, so as to realize the loading of the nanoparticles in the vacuum.

The invention relates to a high-voltage cable (6), in particular for the electrostatic charging of a coating in a coating system for coating motor vehicle body components (14) with a coating. The high-voltage cable (6) according to the invention has a first conductor (7) extending longitudinally and being electrically conductive. According to the invention, the high-voltage cable (6) additionally has a second conductor (9) extending longitudinally and being electrically conductive, wherein the second conductor (9) is electrically insulated from the first conductor (7). Furthermore, the invention also includes a coating system with such a high-voltage cable (6) and the novel use of such a high-voltage cable (6) in a coating system.

A nozzle for a painting system includes a first electrode, a second electrode, a first magnet and a second magnet. The first magnet is disposed between the first electrode and the second electrode when viewed in a direction parallel to a longitudinal axis of the nozzle. The second magnet is disposed between the first electrode and the second electrode when viewed in the direction parallel to the longitudinal axis of the nozzle. The first and second electrodes and the first and second magnets define a passage through which paint is configured to flow.

The invention relates to an operating method for electrostatically charging a coating agent in a coating system for coating components (e.g. vehicle body components) with a coating agent (e.g. paint) by means of an applicator (e.g. a rotary atomiser), comprising the following steps: • charging a high-voltage electrode (12), wherein a charging voltage (U) is at a high-voltage level at the high-voltage electrode (12) and a charging current (I) flows via the high-voltage electrode (12), • measuring the charging voltage (U) and / or the charging current (I) of the high-voltage electrode (12), and • determining a state variable (e.g. degree of contamination) of the high-voltage electrode (12) or of the applicator (3) from the measured charging voltage (U) and / or charging current (I). The invention also relates to a coating system for carrying out the operating method according to the invention.

The utility model relates to a spray head structure of an electrostatic spray gun, which comprises a spray pipe, a scattering head and an electrode, a fixed column is arranged on the spray pipe, a step is arranged at one end, facing the scattering head, of the fixed column, the scattering head is detachably sleeved on the step, the electrode is arranged on the fixed column and the scattering head in a penetrating manner, and a part of the electrode is positioned outside the scattering head. The spray head structure of the electrostatic spray gun has the advantages that the scattering head is used for guiding sprayed powder to diffuse outwards, and the spraying area is increased; the scattering head protrudes outside, is located at the high-voltage static releasing end of the electrode, is easy to damage and is detachable, so that the scattering head is convenient to replace, the whole electrostatic spray gun does not need to be disassembled during maintenance, the maintenance efficiency is improved, the powder diffusion range during spraying can be changed by replacing scattering heads of different sizes, and the spraying quality is improved. The scattering head can be replaced according to actual spraying requirements; the scattering head is sleeved on the step, so that the scattering head is convenient to position and install, and the sleeving operation is simple.

The invention relates to the technical field of speckle preparation equipment, and provides a speckle particle preparation system and a method thereof.According to the method, liquid pigment is gathered at an outlet of a liquid drop generation device through the liquid drop generation device to form liquid drops instead of being directly sprayed out, the liquid drop generation device is conductive and is connected with a first pole of a high-voltage generator, and the high-voltage generator is connected with a second pole of the high-voltage generator; under the condition that the high-voltage generator applies voltage, a high-voltage electric field can be formed between an outlet of the liquid drop generation device and the conductive device, liquid drops are enriched with charges of the same polarity under the action of the high-voltage electric field, and after the charges of the same polarity in the liquid drops are enriched to a certain degree, the surface tension of the liquid drops cannot overcome the mutual exclusion electric field force between the charges of the same polarity; the liquid drops are atomized and broken to form fine spray, so that speckle particles which are uniformly distributed are formed on the surface of the sample to be detected.

The present disclosure provides an electrostatic nozzle and a controllable jet minimal quantity lubrication (MQL) grinding system. The electrostatic nozzle comprises a nozzle core; an upper nozzle body is connected above the nozzle core; a free space is formed between the upper nozzle body and the nozzle core for storing compressed air and reducing pressure; a lower nozzle body is connected below the nozzle core; a gas-liquid mixing chamber, an acceleration chamber and a nozzle outlet are sequentially arranged inside the nozzle core from top to bottom; and micro-bulges are uniformly distributed on an inner wall of the acceleration chamber.

The utility model provides an easy-to-process corona ring, which comprises an annular body and a conductive needle, the annular body comprises an upper ring body and a lower ring body, the bottom surface of the upper ring body is oppositely sleeved with the top surface of the lower ring body, an annular recess along the edge of an inner ring is arranged at one end, close to the inner ring, of the bottom surface of the upper ring body, and the conductive needle is arranged in the annular recess. Correspondingly, an annular protrusion along the edge of the inner ring is arranged at the end, close to the inner ring, of the top face of the lower ring body, the annular concave is matched with the annular protrusion in shape, and the concave face of the annular concave is right opposite to the convex face of the annular protrusion. An annular groove is formed in a gap between the concave face of the annular concave and the protruding face of the annular protrusion, a lantern ring used for grounding the conductive needle is embedded in the annular groove, one end of the conductive needle is located on the annular body and electrically connected with the lantern ring, and the other end of the conductive needle is located outside the annular body.

To increase the production amount of an active ingredient.SOLUTION: The discharge device includes discharge electrode 41, counter electrode 42, and a voltage application circuit. Discharge electrode 41 includes tip end 411. Counter electrode 42 is disposed to face tip portion 411 of discharge electrode 41. The voltage application circuit applies a voltage between discharge electrode 41 and counter electrode 42. The discharge device forms a first dielectric breakdown region extending from discharge electrode 41 toward counter electrode 42, and a second dielectric breakdown region extending from counter electrode 42 toward discharge electrode 41. A base end of the first dielectric breakdown region is tip end 411 of discharge electrode 41. The base end portion of the second dielectric breakdown region is an annular portion provided in counter electrode 42.SELECTED DRAWING: Figure 3

The invention discloses an electrofluid spray film-making device, which belongs to the technical field of electrospray film-forming, and comprises a shell, a plurality of spray head assemblies, a liquid supply assembly, a gas supply assembly and a power supply module, a sealed cavity is formed in the shell, the multiple spray head assemblies are all installed on the shell, and each spray head assembly comprises a capillary tube and a protective sleeve which are coaxially arranged; a first channel and a second channel are formed in the protective sleeve, the capillary tube is coaxially sleeved with the first channel, the top end of the first channel is closed, the bottom end of the first channel extends out of the sealing cavity, and the second channel communicates with the sealing cavity and the first channel; the top end of each sealed chamber capillary tube penetrates out of the closed end of the first channel, and the bottom end of each sealed chamber capillary tube extends out of the bottom end of the first channel and faces the receiving substrate; the liquid supply assembly is used for inputting liquid into the capillary tubes of all the sealing cavities, the gas supply assembly is used for inputting gas into the sealing cavities, and the power supply module is used for providing high-voltage electricity for the capillary tubes of the sealing cavities.

The present application provides an electrostatic spraying device and an electrostatic spraying method. The electrostatic spraying device comprises: a high-voltage electrostatic generator for generating high-voltage electrostatic and comprising a positive output end and a negative output end; a charging electrode connected with the positive output end or the negative output end of the high-voltage electrostatic generator, the charging electrode being used for directly contacting with a liquid to be atomized to apply electrostatic charge to the liquid to be atomized; and an ionization emission electrode connected with the negative output end or the positive output end of the high-voltage electrostatic generator, the ionization emission electrode realizing ionization grounding by ionizing ambient air. The electrostatic spraying method comprises: applying electrostatic charge to a liquid to be atomized by a charging electrode connected with the positive output end or the negative output end of a high-voltage electrostatic generator in a direct contact manner; and ionizing ambient air by an ionization emission electrode connected with the negative output end or the positive output end of the high-voltage electrostatic generator to realize ionization grounding.

This application provides a heating component and an atomizing device. The heating component includes an oil guide and a heating element. The oil guide includes a first oil guide portion and a second oil guide portion connected together, and has a first vent hole connecting the first oil guide portion and the second oil guide portion. The heating element is partially embedded in the first oil guide portion and is used to atomize the liquid to be atomized that has penetrated into the first oil guide portion to form atomized gas. The atomized gas is discharged through the first vent hole. The heating component provided in this application has a first vent hole on the oil guide portion connecting the first oil guide portion and the second oil guide portion. The atomized gas formed after the heating element atomizes the liquid to be atomized is released through the first vent hole, which can prevent the atomized gas from contacting the liquid to be atomized during release, thereby improving the atomization reduction degree of the heating component. The heating element is partially embedded in the first oil guide portion, allowing it to be closer to the liquid to be atomized, thus making the heating component more efficient, better in atomization, larger in atomization volume, and more uniform in atomization.

The electrostatic coating plant includes an abnormality detection unit that detects abnormalities of a bumper. The detection of the abnormalities can be based on the difference between the level of the high voltage outputted from a high voltage generator, and the voltage level obtained when the electrostatic coating machine, which is not spraying coating material, is placed at a measurement position opposite to and separated by a predetermined separation distance from multiple measurement points on the bumper, arranged at the coating position, and lines of electric force are formed to the bumper with a constant current level.

A spray gun, in particular a powder spray gun, has a handle part and a gun barrel connected to the handle part. The spray gun further includes an illumination device for continuously or optionally illuminating and / or lighting at least one region of an object to be coated by the spray gun. The illumination device is detachably and in particular exchangeably connected to the spray gun and has a ring-shaped lighting means carrier with at least one lighting means, in particular in the form of an LED. The lighting means carrier extends around a downstream region of the gun barrel, on which it is radially supported.

Provided in the present disclosure is a spray ionization device comprising: a first tube that has a first flow path in which a liquid can flow, the first tube having a first outlet on one end thereof from which the liquid is sprayed; a second tube that surrounds the first tube with a gap therebetween and has a second flow path in which a gas can flow, the second tube having a second outlet on the one end thereof and the second flow path being defined by the outer peripheral surface of the first tube and the inner peripheral surface of the second tube; and an electrode contacting the liquid flowing through the first flow path, the electrode being able to apply a voltage to the liquid by means of a power source connected to the electrode, wherein charged droplets of the liquid can be sprayed from the second outlet.

In one embodiment, systems and methods include an electrospray device (102) for atomizing fluids comprising a body (114) defining a resonant microwave cavity (116), wherein the body comprises a radio frequency inlet (118) configured to inject a radio frequency signal received from a power source (104) into the resonant microwave cavity, wherein the resonant microwave cavity is configured to to amplify a voltage of the radio frequency signal. The device further comprises a field concentrating pole (120) disposed within the resonant microwave cavity configured to concentrate the amplified voltage at a first end of the field concentrating pole to form an electric field. The device further comprises a nozzle (130) disposed at the first end of the field concentrating pole and a fluid supply line (126) configured to provide a fluid disposed within the field concentrating pole and fluidly connected to the nozzle, wherein the fluid supply line is fluidly connected to a fluid source (128).

The utility model discloses a powder spray gun module in the field of electrostatic high-voltage modules, which comprises a base, an accommodating cavity and a needle groove which are communicated with each other are arranged in the base, a high-voltage transformer, a capacitor module and a high-voltage resistor are mounted in the accommodating cavity and are electrically connected in sequence, and a lead is connected to the rear end of the base. One end of the wire is electrically connected with the high-voltage transformer and used for supplying power to the high-voltage transformer, an electrode needle is installed in the needle groove, one end of the electrode needle is electrically connected with the high-voltage resistor, the other end of the electrode needle extends towards the front of the base, a fixing ring is connected to the outer side of the electrode needle in a sleeving mode, and the fixing ring is fixed in the needle groove and used for fixing the position of the electrode needle. Power is directly supplied in the mode that the wire is directly connected with the high-voltage transformer, the stability of current and voltage during power supply is improved, the wire is prevented from falling off during power supply, the electrode needle is fixed through the fixing ring, the stability of the electrode needle in the base is enhanced, and the electrode needle is prevented from loosening when extending forwards.

A discharge device includes discharge electrode, counter electrode, and a voltage application device. Discharge electrode includes distal end portion. Counter electrode is disposed so as to face distal end portion of discharge electrode with a gap provided therebetween. The voltage application device applies a voltage between discharge electrode and counter electrode to generate a discharge between discharge electrode and counter electrode. Discharge electrode protrudes toward counter electrode. Counter electrode includes discharge portion where a discharge occurs between discharge portion and distal end portion of discharge electrode. Discharge portion extends along a circumference centered at distal end portion of discharge electrode.

Systems and methods for decomposing and analyzing analyte aerosol particles are provided. In various embodiments, the systems collect aerosol particles and introduce them into a high pressure gas stream. When ejected near the outlet of the liquid conduit, the flow atomizes the discharged liquid, promoting a high impact collision between the aerosol particles and the liquid. This interaction results in complete or partial decomposition of the aerosol particles, with the possibility of dissolving them in the resulting liquid droplets. In certain embodiments, at least some of the resulting analyte species are ions that can be analyzed with a mass spectrometer. These systems and methods are suitable for analyzing a wide range of aerosols, and are particularly desirable for examining plumes generated by laser ablation of tissue.

A coating device for atomizing a paint having an electrical resistivity of 20 MΩ·cm or less using an action of an electric field, and includes a nozzle to which a voltage is applied, a flow passage along which the paint flows, a measuring unit that measures a supplied current, and a controller that controls the voltage applied to the nozzle, based on a measurement value of the measuring unit.

In one embodiment, systems and methods include an electrospray device for atomizing fluids comprising a body defining a resonant microwave cavity, wherein the body comprises a radio frequency inlet configured to inject a radio frequency signal received from a power source into the resonant microwave cavity, wherein the resonant microwave cavity is configured to to amplify a voltage of the radio frequency signal. The device further comprises a field concentrating pole disposed within the resonant microwave cavity configured to concentrate the amplified voltage at a first end of the field concentrating pole to form an electric field. The device further comprises a nozzle disposed at the first end of the field concentrating pole and a fluid supply line configured to provide a fluid disposed within the field concentrating pole and fluidly connected to the nozzle, wherein the fluid supply line is fluidly connected to a fluid source.

The utility model relates to the technical field of electrostatic powder spray guns, in particular to a nozzle mechanism of an electrostatic powder spray gun. The connecting pipeline is provided with a positioning groove and a first containing channel which are communicated with each other, the first containing channel is arranged in the axial direction of the connecting pipeline, and the positioning groove is located at one end of the first containing channel; wherein the electrode needle comprises a bending part, a first extending part and a second extending part, the first extending part and the second extending part are located at the two ends of the bending part, the bending part is arranged in the positioning groove, the positioning groove and the bending part are matched to be used for limiting axial displacement of the electrode needle, the first extending part penetrates through the first containing channel, and the second extending part is used for being connected with a high-voltage power source; the electrode needle is provided with the bending part, so that the connection between the electrode needle and the connecting pipeline is more stable, and the risk that the electrode needle is loosened or falls off is reduced.