148results about "Spraying power supply" patented technology

The invention relates to an electrostatic spray device and discloses a handheld electrostatic sprayer, comprising a handheld shell, a liquid storage unit, a micro-diaphragm pump, a spray module, a high-voltage module and a power module. The liquid storage unit is connected to the handheld shell, the micro-diaphragm pump, the spray module, the high-voltage module and the power module are arranged in the handheld shell, the water inlet interface of the micro-diaphragm pump is connected to the liquid storage unit, and the water outlet interface is connected to the spray module. A charged electrode is arranged in the spray module, the charged electrode is connected to the high-voltage module, the micro-diaphragm pump and the high-voltage module are both connected to the power module, and the high-voltage module can control the output of the high-voltage module according to the position state of the micro-diaphragm pump, so as to output a high-voltage electric field when the water inlet interface and the water outlet interface are in a disconnected state, and prevent the high voltage from being transmitted to the liquid storage unit and the handheld part to cause electric shock risk while charging the spray droplets.

The disclosure relates to a cleaning device for cleaning an electrode assembly having a plurality of finger-shaped external electrodes for electrostatic external charging on an atomizer, in particular on a rotary atomizer. The cleaning device has a first cleaning chamber with an insertion opening for receiving one of the finger-shaped external electrodes of the electrode assembly during a cleaning process. The disclosure provides at least a second cleaning chamber having an insertion opening for receiving one of the finger-shaped external electrodes of the electrode assembly during the cleaning process, so that at least two of the finger-shaped external electrodes of the electrode assembly can be cleaned simultaneously during the cleaning process. Furthermore, the disclosure comprises a corresponding operating method for such a cleaning device.

The invention relates to an electrostatic powder sprayer which comprises a gun body, a high-voltage module, an air duct assembly, a scattering head and an electrode needle. The air duct assembly comprises a spray pipe, the spray pipe is provided with a first channel and a positioning column coaxial with the first channel, the end, facing the scattering head, of the positioning column is provided with a step and a first through hole, the outer surface of the spray pipe is provided with a first groove, the first through hole is communicated with the first groove, and the scattering head detachably sleeves the step through a second through hole. The electrode needle penetrates through the first through hole and the second through hole, and the two ends of the electrode needle penetrate out of the second through hole and the first groove respectively. The electrostatic powder sprayer has the following advantages that only the scattering head can be disassembled and assembled, and the replacement difficulty is small; the scattering head is sleeved on the step, the precise mounting position of the scattering head can be ensured due to the limitation of the step, and the electrode needle only needs to penetrate through the second through hole section again; through the design of the first groove, the state of the electrode needle can be observed after the electrode needle penetrates out of the first through hole, and penetrating of the electrode needle is facilitated.

The present invention relates to an electrostatic spray device comprising: a water tank unit having one open side and accommodating a liquid base solution; an electrode unit, which applies power to the base solution so as to generate a potential difference for droplet formation of the base solution; and a nozzle unit which is provided inside the water tank unit and which discharges the base solution in the droplet form by means of the potential difference, wherein the nozzle unit has a lower portion immersed in the base solution, and thus can autonomously absorb the base solution. Therefore, the present invention can spray micro-droplets by means of electrostatic spraying.

An electrostatic atomizer electrostatically atomizes a fluid into a charged spray, wherein the charged spray includes a plurality of charged droplets. The electrostatic atomizer includes a chamber forming an inlet and an exit aperture, wherein the chamber is configured for fluid to flow into the chamber from the inlet and to flow out of the chamber from the aperture. An emitter electrode is in liquid contact with the fluid in the chamber and injects an electrical charge into the fluid in the chamber. An impedance circuit is coupled to the chamber and configured to obtain a voltage difference between the emitter electrode and the exit aperture, wherein the voltage difference is at least a minimum voltage threshold.

This invention discloses a gas-assisted coaxial electrostatic spraying device and a method for preparing aluminum-based energetic composite materials. The device includes a gas-liquid flow transport unit, an electrostatic generator, and a receiving plate. The gas-liquid flow transport unit includes an outer tube and an inner tube coaxially fitted together, forming an airflow cavity between the outer and inner tubes. The inner tube includes a liquid-passing pipe and a nozzle coaxially connected together, with a liquid spraying port at the front end of the nozzle. The airflow cavity is closed at the rear end and has an air outlet at the front end corresponding to the liquid spraying port. An air inlet is provided on the side wall of the outer tube, which is connected to a gas transport device via a pipe. The gas transport device is used to deliver gas into the airflow cavity. The electrostatic generator acts on the nozzle to enable the droplets sprayed by the nozzle to carry a charge, and the droplets can form powder at the receiving plate. This invention achieves the preparation of energetic composite materials based on large-size aluminum matrix through gas-phase assistance, improving the preparation efficiency of energetic composite materials; and improves the ability to control the particle size of the product by controlling the airflow field.

The invention relates to an arrester device (8) for dissipating a high-voltage potential from a rotor (2), in particular from an atomizer shaft (2) of a rotary atomizer (1) with electrostatic charging of the coating. The arrester device according to the invention comprises an arrester ring (9), which annularly surrounds the rotor (2), and at least one electrically conductive contact element (10), which is arranged on the arrester ring (9) and touches the rotor (2), in order to dissipate the high-voltage potential from the rotor (2). The invention makes provision for the arrester ring (9) together with the at least one contact element (10) to be formed in one piece as an integral component (8).

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.

A portable, hand-held electrospinning or electrospraying apparatus and system, method, and portions thereof, comprised of a durable portion of the hand-held apparatus and a consumable portion of the hand-held apparatus. The consumable portion of the hand-held apparatus, which may contain the solution to be output in electrospin or electrospray fashion, may be replaced in whole or in part to provide additional or alternative solution. A base station may be provided, and can output high voltage and communication signals to the hand-held apparatus to enable the electrospin or electrospray operation by the hand-held apparatus.

The utility model relates to an elastic electrode for an atomizer. The elastic electrode comprises a hollow electrode shell, wherein the two ends of the electrode shell are communicated with the outside; a first electrode and a second electrode are movably arranged on the inner side of the electrode shell, and the adjacent first electrode and second electrode are driven by an elastic piece to abut against the two ends of the electrode shell to form sealing. The utility model has the advantages of novel structure, good sealing performance, stable electrical connection, easy assembly and maintenance, safety and reliability, strong adaptability and the like, can meet various requirements of the atomizer in the working process, and improves the performance and quality of the atomizer.

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.

The invention discloses a cluster generation device which comprises a cluster generation device front end, a cluster generation device nozzle end and an air inlet pipe of the cluster generation device. The cluster generation device front end comprises an upper condensation chamber transverse plate, a lower condensation chamber transverse plate, two parallel side plates and an air inlet side plate; an air inlet pipe of the cluster generation device penetrates through the air inlet side plate and enters the cavity at the front end of the cluster generation device; the nozzle end of the cluster generation device comprises an upper nozzle inclined plate, a lower nozzle inclined plate, an upper nozzle outlet transverse plate, a lower nozzle outlet transverse plate and an outlet slit of the cluster generation device; and a gap between the upper nozzle outlet transverse plate and the lower nozzle outlet transverse plate forms an outlet slit of the cluster generation device. According to the invention, under the condition that the beam density in the prior art is kept unchanged, the cross section area through which the cluster beam passes is enlarged, so that the throughput of the cluster beam and the intensity of the cluster beam are enhanced.

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 coating machine can include an applicator rotatably attached to a distal end of a turbine and shaft, wherein the applicator is a bell cup comprising a resin material, wherein the bell cup comprises an outer peripheral edge and a bell cup exposed surface, wherein the outer peripheral edge comprises a conductive or semi-conductive coating material, and a plurality of semi-conductive members extending through the resin material in electrical communication with a high voltage path and the outer peripheral edge.

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 provides a powder atomizer nozzle for long-distance powder workpiece spraying, which comprises a lengthened powder pipe, one end of the lengthened powder pipe is provided with a detachably connected atomizing cap, the other end of the lengthened powder pipe is provided with a conductive base, the exterior of the conductive base is provided with a locking cap, and the locking cap is provided with a locking groove. An electrode needle is arranged in the lengthened powder tube in the length direction of the lengthened powder tube, and one end of the electrode needle penetrates through the atomization cap and extends out of the atomization cap. The atomization caps are designed into various shapes, powder enters the powder channel and then rotates, the powder enters the atomization caps through the lengthened powder pipe to be atomized, the shapes and the openings of the atomization caps are different, the different atomization caps are replaced to meet the coating requirements of different complex surfaces, and the coating requirements of different complex surfaces are met through the lengthened powder pipe. The length of the spray head is lengthened, atomizing caps with different shapes in a drawing are switched to cope with complex grooves of workpieces, and the problem that internal corners of the workpieces cannot be coated with powder during spraying is solved.

The application discloses a large-flow electrostatic atomization device, which comprises a double-layer electrode plate, a groove box, a supporting rod, a liquid storage box and a peristaltic pump, wherein the double-layer electrode plate comprises a microporous sheet and a metal shielding electrode plate, the metal shielding electrode plate is provided with through holes, and the through holes correspond to the holes on the microporous sheet one by one; the liquid storage box is connected with a liquid injection unit; the microporous sheet is immersed in a circular shallow groove box; and the metal shielding electrode plate is connected with a negative high-voltage direct-current power supply; the microporous sheet is connected with a negative high-voltage direct-current power supply with a higher voltage than the metal shielding electrode plate; the device uses the dense small holes of the microporous sheet to greatly increase the atomization flow; the double-layer electrode plate can effectively eliminate the voltage edge effect between adjacent channels and enhance the stability of the atomized jet flow; and the application efficiency of the electrostatic atomization in multiple fields can be expanded.

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.

A spray ionization device comprising: a first tube that has a first flow path through which a liquid can flow and 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, has a second flow path through which a gas can flow, and has a second outlet on the one end thereof; and an electrode that extends through the interior of the first flow path of the first tube, from the other end thereof to the one end, said electrode being arranged such that the tip thereof is at the same position as the first outlet or is further on the other end side than the first outlet, and said electrode being able to apply a voltage to the liquid by means of a power source connected to the electrode.