218results about "Spraying power supply" patented technology

A mounting configuration for an electrostatic spray gun (100) includes a probe having a first non-conductive body encasing a first conductive element and a probe mount extending from the electrostatic spray gun with a second non-conductive body encasing a second conductive element. The mounting configuration includes a first elastomeric ring (140) disposed about the second non-conductive body and configured to interface with the first non-conductive body. The first elastomeric ring (140) is configured to exert a force on the first non-conductive body to bias the first non-conductive body away from the electrostatic spray gun (100) such that the probe is secured in a home position. A pin (128) extending from one of the first non-conductive body and the second non-conductive body is seated in a notch (138) formed in the other one of the first non-conductive body and the second non-conductive body.

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.

The invention discloses a jet form and satellite droplet behavior size control device and method. A nozzle of a liquid drop generator of the device generates jet flows in different forms, and main liquid drops and satellite liquid drops in the jet flows are different in motion state; the liquid drop control assembly is located under the liquid drop generator and used for adjusting the form of jet flow and controlling the behavior size of satellite liquid drops. And the liquid drop image acquisition assembly is positioned on the side of the liquid drop control assembly and is used for dynamically acquiring the form of the jet flow and the behavior size of the satellite liquid drop. The jet flow form and the generation process of the satellite liquid drops can be accurately controlled, stable separation and size adjustment of the satellite liquid drops are achieved, jet flow and liquid drop behaviors can be monitored in real time, it is ensured that the satellite liquid drops and main liquid drops are kept relatively stable before being separated from the main liquid drops, the sizes of the liquid drops can be secondarily regulated and controlled, and the stability of the liquid drops is improved. And a micron-sized electrode is used for accurately intervening in a jet local area, a breakthrough of smaller satellite droplet size is formed, and the method can be widely applied to high-precision droplet control requirements.

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.

An air blow gun 10 has: a main case 11 provided with a discharge nozzle 14; a unit accommodation chamber 29 detachably accommodating any of a pulse blow unit 31 that intermittently outputs, to an intermittent output end portion 39, air supplied to an intermittent input end portion 34 and a continuous blow unit that continuously outputs, to a continuous output end portion, air supplied to a continuous input end portion; a unit exchange lid by which the unit accommodation chamber 29 is opened / closed; and a manual valve 21 switched, by a trigger lever 24, between an open state in which the air discharged from the pulse blow unit 31 or continuous blow unit is discharged to a discharge nozzle 14 or a closed state in which the discharging is stopped.

The invention relates to the technical field of electrode needle production, and discloses a rotary cup type electrostatic spraying electrode needle production device which comprises a hot melting base and a pressing block mechanism, and the hot melting base is provided with a high-frequency heating coil used for melting brazing filler metal and a containing disc used for containing a copper base; the pressing block mechanism is hung above the placing disc through a supporting frame, the pressing block mechanism comprises a pressing block used for limiting the position of the spray point and a lifting servo mechanism, the pressing block is connected with the output end of the lifting servo mechanism, the lifting servo mechanism drives the pressing block to be close to or away from the placing disc in the vertical direction, and the high-frequency heating coil is located between the pressing block and the placing disc; the technical problems that in the prior art, when an electrode needle is manufactured, operation is complex, and production energy consumption is large are solved.

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 discloses a rotary plasma cleaning machine spray gun which comprises a driving assembly and a nozzle, the driving assembly is connected with the nozzle, the driving assembly can drive the nozzle to rotate, the nozzle comprises a C end close to the driving assembly and a D end far away from the driving assembly, and the rotary plasma cleaning machine spray gun further comprises an eccentric channel, one end of the eccentric channel is arranged at the end C, the other end of the eccentric channel extends towards the end D, and the center line of the eccentric channel is a straight line and does not coincide with the center line of the nozzle. Only the eccentric channel is arranged, the center line of the eccentric channel is a straight line, and no bent interior exists in the eccentric channel, so that the problems that the bent inner wall in a traditional channel can form certain resistance to the airflow, the air pressure is reduced when the high-pressure airflow is ejected, the ejection distance of the ion gas is shortened, and the injection efficiency is improved are solved. And the treatment effect of the plasma cleaning spray head on the surface of the workpiece is affected.

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.

The present disclosure provides an air-assisted ultrasonic magnetization electrostatic nozzle, and belongs to the technical field of agricultural equipment. The air-assisted ultrasonic magnetization electrostatic nozzle includes a Laval tube, a liquid inlet section, a charging electrode plate, and a resonant cavity. After being accelerated by the Laval tube, an air impacts a liquid that enters through the liquid inlet section arranged at an outlet end of the Laval tube. The liquid is impacted into fine droplets and the fine droplets are positively electrified after passing through the charging electrode plate arranged at an outlet end of the liquid inlet section, to obtain electrified droplets. The electrified droplets enter the resonant cavity and are magnetized, to obtain magnetized droplets. The magnetized droplets are atomized and sprayed out by a metal film arranged at an outlet end of the resonant cavity. In the present disclosure, with the arrangement a metal oscillator, the Laval tube, and the charging electrode plate, the atomized droplets are magnetized and electrified, so that the atomized droplets are more effectively adsorbed on plants in an aeroponic chamber, to accelerate the root system growth of aeroponically propagated crops. With the arrangement of a temperature-regulating device, airflows with different temperatures can be output according to the temperature of the aeroponic chamber, so as to regulate the environmental temperature and promote the rapid growth of the plants.

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.