102results about "Spraying power supply" patented technology

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.

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.

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 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 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 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.

The invention discloses a spraying and powder spraying all-in-one machine and a spraying and powder spraying method. The spraying and powder spraying all-in-one machine comprises a machine body, and the machine body comprises a shell, an end cover, a medicine pot, an air duct, a fan, a liquid outlet pipe, an impeller fixing cover and an impeller; an impeller fixing cover, an impeller and a liquid outlet pipe are arranged at the front end in the air cylinder, the air cylinder is provided with an air inlet one-way valve and an air channel, the air cylinder is connected with a medicine pot, a cavity in the air cylinder is communicated with the medicine pot through the air inlet one-way valve, the medicine pot is communicated with the air channel, and the air channel is connected with the rear end of the liquid outlet pipe. The air passage is detachably and hermetically connected with one end of the liquid suction pipe to form the spraying machine; or, the end cover is detachably connected with the windshield plug, an inner hole of the windshield plug is connected with the powder spraying pipe, the powder spraying pipe is detachably connected with the liquid outlet pipe, and the powder sprayer is formed. The spraying or powder spraying requirements can be changed, the integrated function is achieved, and the static electricity eliminating effect can be achieved; the air purifier has the functions of causing death of bacteria and microorganisms, reducing PM2.5, and removing odor and peculiar smell.

A system and method are provided to provide greater consistency and customization of results in charged spray implementations through improved feedback from and control of the electronic characteristics of the charging power supply. The system and method, in at least one form, use multiple levels of feedback and provide adjustments to react to the spray process.

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.

The invention relates to the technical field of spring machining, in particular to a spiral spring spraying method and device.According to the spiral spring spraying method and device, before a spiral spring is sprayed, the spiral spring to be sprayed needs to be stretched, axial stretching is conducted on the basis of geometric parameters of the spring, and the spiral spring to be sprayed is sprayed. The inner wall and the screw pitch gap are forcibly exposed, a shielding blind area caused by traditional fixing and clamping is overcome, and the problem that local corrosion failure is prone to being caused due to the fact that the inner wall and the screw pitch gap of the spring cannot be covered through spraying in a traditional spraying process is solved; and meanwhile, during paint spraying, the spiral spring rotates and axially moves in parallel at the same time, superposition of multi-dimensional movement enables paint mist to cover the curved surface of the spring without dead corners, the defect of uneven thickness of manual spraying is overcome, and the spraying quality of the spiral spring is greatly improved.

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.