4865results about "Electrostatic charges" patented technology

The invention relates to the technical field of capacitive touch screens, in particular to a static elimination method and system for a touch screen and a medium. The method comprises the following steps: sampling real-time touch pressure distribution data of a touch screen, and identifying a high-frequency interaction screen area of a user according to the real-time touch pressure distribution data; evaluating a current operation static accumulation risk according to the user high-frequency interaction screen area, and generating a compensation static accumulation prediction value; performing circuit coordinated adjustment parameter processing according to the compensation static accumulation predicted value to construct an energy coordinated absorption strategy; performing static active absorption control according to an energy coordination absorption strategy, and generating a screen comprehensive charge safety index; touch sensitivity parameters are adjusted according to the screen comprehensive charge safety index, so that collaborative elimination and dynamic balance maintenance of static electricity accumulated on the surface of the touch screen are achieved. According to the invention, energy coordination absorption is carried out based on TVS tube-voltage stabilizer linkage, and static elimination of the touch screen is realized.

A cleaning mechanism for a smart air ionizer is provided. The cleaning mechanism includes an electrode configured with a plurality of carbon bristles exposed to an airflow and configured to ionize air in the airflow via the plurality of carbon bristles, a vibration mechanism, and a controller circuit coupled to the vibration mechanism, the controller circuit including a controller configured to operate the vibration mechanism to clean the plurality of carbon bristles.

The invention discloses a dust treatment device for emery production, and relates to the technical field of emery production, the dust treatment device comprises a dust absorption mechanism and a dust absorption pipe mounted on one side of the dust absorption mechanism, a dust treatment mechanism is arranged on one side of the dust absorption mechanism, and a filter box is arranged on one side of the dust treatment mechanism; the dust absorbing mechanism comprises a dust absorbing sleeve, a first rotating shaft is arranged in the center of the interior of the dust absorbing sleeve, a dispersing rotating disc is fixedly installed on one side of the first rotating shaft and rotationally connected with the dust absorbing sleeve, and a plurality of dispersing spiral plates are fixedly installed on the outer side of the first rotating shaft; due to the fact that a certain amount of water is contained in the anti-static spray, the preliminary dust falling effect can be achieved, meanwhile, the anti-static effect can be achieved, and the phenomenon that due to the fact that the concentration of sucked dust is too high, dust suction pipes are mostly made of metal materials, certain electrostatic sparks are generated and make contact with aluminum oxide dust, and then explosion is generated is avoided.

The invention discloses a self-adaptive searchlight based on visual perception and an intelligent control system, belongs to the technical field of searchlight control, and solves the problems that an intelligent control unit of an existing system only depends on basic parameters such as ambient light intensity and temperature, lacks dynamic personnel behavior analysis, cannot perceive scene semantics, and cannot realize intelligent control of the searchlight. The system comprises a visual perception module, an environment analysis module, a self-adaptive control module and a searchlight end. The visual perception module and the environment analysis module are arranged, the visual perception module can provide a more comprehensive information basis for the environment analysis module, misjudgment caused by a single data type is avoided, the environment analysis module can accurately recognize and analyze information such as personnel positions and the number in a complex scene, environment changes are accurately perceived, and the environment analysis efficiency is improved. Therefore, the light intensity of each lamp bead is dynamically distributed through a Newton optimization algorithm in combination with temperature field distribution, and the comprehensive energy efficiency, precision and response speed of the searchlight end are adaptively improved.

The invention discloses a glue filling production line for an ultraviolet curing glass fiber hose, and relates to the technical field of hose production, the glue filling production line comprises a workbench, a conveying mechanism, a vacuumizing device, a glue filling device, a first flow stopping and trowelling mechanism and a second flow stopping and trowelling mechanism, and further comprises two positioning devices; the positioning device is located on the side, away from the first flow stopping and trowelling mechanism, of the conveying mechanism and can drive the hose on the conveying mechanism to make contact with the conveying mechanism. The first flow stopping and troweling mechanism comprises a first troweling roller, the second flow stopping and troweling mechanism comprises a second troweling roller, and the two positioning devices can position the portions, close to the first troweling roller and the second troweling roller, of the hose correspondingly. According to the application, the glue-filled hose can be troweled more comprehensively, so that the thickness uniformity of the glue-filled hose product can be effectively improved, and the quality of the glue-filled hose product can be effectively improved.

A display module includes a display panel and a peripheral region. The peripheral region includes a bendable fan-out region including a panel bonding portion and a driving chip; a flexible circuit board, including a first and a second conductive layers, and a substrate. The first conductive layer includes a first and a second bonding portions, and a connection portion; the second conductive layer is located on a side of the first conductive layer and at least partially overlaps with the first bonding portion; the first and the second conductive layers are connected through a via hole penetrating through the substrate; an end of the flexible circuit board is bonded to the panel bonding portion through the first bonding portion, and the second bonding portion is bonded to a control circuit board; and a conductive protection layer, covering the driving chip and connected to the second conductive layer.

The invention discloses a driving permanent magnet synchronous motor with a heat dissipation mechanism, and relates to the technical field of 999. The outer side face of the rear end cover is fixedly connected with the inner side face of a base, a copper bar is embedded in the side, away from a shell, of the rear end cover, the inner side face of the rear end cover is fixedly connected with the surface of the copper bar, the side, away from the rear end cover, of the copper bar makes contact with the base, and the base is grounded; the air cooling assembly is fixedly connected with the end, close to the rear end cover, of the rotating shaft, the natural cooling assembly surrounds the outer portion of the shell, the inner side face of the natural cooling assembly is fixedly connected with the outer side face of the shell, the natural cooling assembly can increase the contact area with the outside, and the heat dissipation effect is enhanced. The rear end cover sucks air in the gap of the natural cooling assembly into the rear end cover to form flowing airflow, so that a better cooling effect is achieved, and the cooling effect of the air cooling assembly is radiated to the outside of the shell.

The invention discloses a roll-to-roll cleaning control method and system for a flexible circuit board electronic structural member, and relates to the technical field of electronic manufacturing, and the method comprises the steps: carrying out the partitioning processing of a to-be-cleaned member, and obtaining a thin region and a thick region; the drying cavity is partitioned on the basis of the thin area and the thick area, and a partitioned temperature control method is constructed; a dehumidification drying module is placed, and a hot air drying method is obtained based on a chilled mirror dew-point instrument; the roll-to-roll cleaning control method is used for solving the problems that in an existing roll-to-roll cleaning control method for the flexible circuit board electronic structural part, differential temperature control is not carried out on a thick area and a thin area, and the influence of environment humidity in a drying cavity on the drying effect is not considered; the problems that a thin plate is overheated after being dried, water in a thick plate is not completely evaporated, watermarks which cannot be wiped appear on the surface of the electronic structural part, and then the practicability of the cleaned electronic structural part is affected are solved.

The automatic laser cutting device for tarpaulin processing comprises a workbench, a winding roller is mounted on the left side of the workbench, a plurality of mounting blocks are fixedly connected to the upper end of the workbench, and the adjacent sides of every two matched mounting blocks are jointly and rotationally connected with a pressing roller; the upper end of the workbench is fixedly connected with two fixing blocks, and the adjacent sides of the two fixing blocks are jointly and rotationally connected with a first lead screw. According to the cutting device, different laser heads can be adopted for cutting according to different layers of materials of the tarpaulin, the problems that due to cutting of a single laser head, the cutting position of the composite tarpaulin is burnt, deformed or discolored are solved, the quality of the cut tarpaulin is ensured, automatic discharging can be achieved after cutting is completed every time, and the cutting efficiency is improved. And new tarpaulin is pulled to the cutting area of the workbench, and meanwhile static electricity removing treatment is conducted on the tarpaulin before cutting, so that the situation that chippings adhere to the tarpaulin due to static electricity in the cutting process is avoided.

The invention discloses a mobile phone screen pressure detection device and detection process, and relates to the technical field of mobile phone screen detection, the device comprises a cleaning module, a multi-point simulation type pressure loading module, a support positioning module and a control processing module; the cleaning module is used for performing multi-stage cleaning on the surface of the screen before the pressure test; the loading module comprises a plurality of loading units capable of implementing independent and controllable pressure loading on a plurality of areas of a mobile phone screen; the supporting and positioning module is used for accurately fixing a to-be-tested mobile phone screen, and the control processing module is used for controlling execution of a cleaning and testing process and realizing abnormity identification and data acquisition; the method can effectively avoid the pressure test error crack caused by sundries and particles on the surface of the test screen, improves the accuracy and automation degree of the screen pressure detection, and is suitable for the mobile phone screen factory detection or the screen pressure test in the research and development process. The technical problem that an existing screen pressure test is low in accuracy is solved.

Embodiments of the present invention relate to a technology for easily adjusting a level of static electricity required for a substrate according to a semiconductor process by injecting static electricity into the substrate or removing static electricity already formed on the substrate. A static electricity control device for injecting static electricity into a substrate disposed in a vacuum chamber or removing static electricity formed on the substrate in a semiconductor processing system, according to an embodiment, comprises: a charged particle generation unit, disposed on an upper side inside the vacuum chamber, that generates charged particles including positive ions and electrons by generating a vacuum ultraviolet ray (VUV) and reacting the VUV with a process gas inside the vacuum chamber; a grid provided with a plurality of holes, disposed on a lower side of the charged particle generation unit, that selectively pass the type of charged particles downward according to an input voltage; a substrate support, disposed below the grid and having the substrate positioned thereon, that is made of a conductive material and guides the charged particles passing through the grid toward the substrate at a predetermined density according to an input bias voltage; and a static electricity control unit that controls the static electricity of the substrate by supplying a pulsed voltage to at least one of the grid and the substrate support, wherein the grid and the substrate support are arranged so as to have a separation distance that is within four times the mean free path of the process gas according to environmental conditions of the vacuum chamber.

The invention provides low-temperature supersonic airflow collision ultramicro equipment, which belongs to the field of material crushing and processing, and comprises a feeding device, an airflow collision device, a closed-loop type circulation grading device, a material receiving device, a gas cooling device and a gas inlet device, and the gas inlet device is used for providing a high-pressure gas source for the equipment; the gas cooling device cools the high-pressure gas to a preset low temperature, and then the high-pressure gas is fed into the gas flow collision device after being subjected to pressure regulation through the gas feeding pipeline; the airflow collision device comprises a collision chamber and at least one pair of opposite nozzles, the horizontal distance between the paired nozzles can be adjusted, the air supply pipeline and the feeding pipeline are connected with the nozzles after being intersected, and high-pressure air is sprayed out through the nozzles to form supersonic jet flow to drive materials to collide with each other in the collision chamber. And the collided materials are subjected to closed-loop circulation classification and then enter a material receiving device, and large particles are subjected to circulation collision crushing again. The ultramicro equipment disclosed by the invention can be used for crushing various plant raw materials into 1-10 microns, and has a good application prospect.

The invention belongs to the technical field of optical lens production, and particularly relates to an optical lens dust removal device which adopts a cleaning mode of combining non-woven fabric and dust-sticking paper, and a non-woven fabric roll has better water absorption and flexibility, so that dust and stains on the surface of a lens can be preliminarily wiped, and hidden dust can be removed. The dust-sticking paper roll can further stick and remove tiny dust left after the non-woven fabric roll wipes the lens, it is ensured that the surface of the lens is highly clean, the spray head sprays cleaning liquid before the non-woven fabric wipes the lens, the cleaning effect is further enhanced, the negative ion fan can neutralize static electricity on the surface of the lens, dust adsorption is reduced, and the service life of the lens is prolonged. Meanwhile, the equipment is matched with a conveying belt, a clamping block and a conveying stand-by device, automatic conveying, cleaning and output of the lenses are achieved, an operator only needs to place the lenses to be dedusted on a placing table, after the equipment is started, the subsequent conveying, cleaning and conveying processes can be automatically completed, and the workload of manual operation is greatly reduced.

The invention relates to the field of spreading machines, in particular to a spreading machine for garment production. Comprising a working bottom plate, a cloth rolling assembly is installed on the top of the working bottom plate, and an auxiliary assembly is installed on one side wall of the working bottom plate; according to the cloth rolling device, cloth on the cloth rolling rod is limited, so that the cloth cannot be conveyed any more, magnetic connection of the two sets of electromagnetic blocks is separated at the moment, the servo motor continues to drive the rolling pipe to conduct rolling, and at the moment, the cloth starts to be pulled; in the pulling process, the cloth provides counter-acting force to drive a sliding plate to move in a sliding groove in the direction close to a cloth rolling rod, a second compression spring starts to be pulled in the moving process, so that the pulling effect on the cloth is improved, and when the surface of the cloth breaks, the cloth breaks away from the magnetic connection state of two sets of electromagnetic blocks in time; in addition, the cloth pulling work is stopped, and the working precision effect of the spreading machine is improved.

The invention relates to the technical field of laser cutting, and discloses a polymer film full-automatic laser cutting machine which comprises a machine frame, horizontal rails for a movement adjusting module to move are horizontally installed on the two sides of the upper end of the machine frame, the movement adjusting module is located above the machine frame, and the movement adjusting module comprises a cantilever. An X-axis moving assembly is fixedly arranged on the cantilever, the X-axis moving assembly acts on the laser cutting head module, and the cantilever is provided with an inner rail for the laser cutting head module to move horizontally. According to the full-automatic laser cutting machine for the polymer film, the multiple sets of adsorption boxes are gathered together and spliced to form the adsorption area corresponding to the pattern range, the matrix structure layout is adopted, splicing is conducted according to the pattern range or the size of the film, negative pressure in each adsorption box is very uniform, each area of the film can be evenly adsorbed, and the cutting efficiency is improved. The laminating effect of the film is improved, and the laser cutting effect is also improved.

The invention provides an arrangement for reducing static charge in a fluid bed dryer. The arrangement includes a hollow cylinder having an inner surface and an outer surface. The inner surface has a plurality of slotted projections formed radially at equal intervals along the axis of the hollow cylinder. The outer surface has an ionizing apparatus mounted on each of the slotted projections through a retention means. The arrangement further includes a pair of coupling means at both ends of the hollow cylinder for coupling the arrangement to the hot air supply duct of the fluid bed dryer. On applying a voltage, the ionizing apparatus, generate positive and negative ions into the hollow cylinder. The generated positive and negative ions are carried by the hot air to the sample drying unit of the fluid bed dryer for neutralizing the static charge generated during the drying of the sample.

A reticle pod with backside static dissipation has an inner pod defining an accommodation space for a reticle. Multiple flexible guiding components are correspondingly disposed on multiple outer mounting portions of the inner pod in order to guide an inner cover and an inner base of the inner pod to position without relative displacement. Multiple conductive retainers are correspondingly arranged in the accommodation space to push against a backside of the reticle and form a full-time electrical conduction with the back side of the reticle, so as to establish a static dissipation path by the conductive retainers and the inner pod. Meanwhile, with the conductive retainers pushing against the reticle as well as the flexible guiding components providing the inner cover and the inner base with automatic position guiding, the reticle is automatically pushed and positioned to a center position of the inner base.

The invention belongs to the technical field of communication component welding, and discloses a communication component welding tool which comprises a welding tool body, a limiting frame is fixedly connected to the top of the welding tool body, and the communication component welding tool further comprises a heat conduction energy storage power generation assembly. The communication component is fixed to the surface of the graphene vapor chamber through the welding tool, so that the graphene vapor chamber conducts high heat generated by welding of the communication component to the alloy phase change module, and the alloy phase change module stores the heat and provides the heat for the thermoelectric power generation module; the cold end radiator communicates with an external liquid nitrogen storage tank to provide a refrigerant for the thermoelectric power generation module, the thermoelectric power generation energy-saving effect is achieved, meanwhile, the graphene vapor chamber can preheat communication parts to be welded through the preheating copper plate, the temperature difference between a PCB and elements can be effectively eliminated through preheating, welding spot cracking or internal stress damage of the communication parts is avoided, and the welding quality of the communication parts is improved. And meanwhile, wet parts can be dried.

The invention discloses an auxiliary structure for display screen lightening detection. The auxiliary structure comprises a display screen clamping device, a transferring device, a needle die alignment device, an auxiliary light source and a static electricity eliminator. On the one hand, on the basis of cooperative movement on the X axis, the Y axis and the Z axis, rolling support is formed through cooperation with the universal balls, so that the display screen moves and is aligned in the gradually-reduced area in the cooperative resultant force direction, damage to the display screen in the clamping process is effectively avoided, and the clamping efficiency and precision of the display screen are improved; on the other hand, on the basis that the display screen is separated from the clamping platform, under the cooperation of auxiliary light and static electricity removal, loose dust is blown away, dust coordinates are recorded in captured images, meanwhile, corresponding areas are automatically shielded in the detected images so as to assist in display screen lightening detection, and then the situation that the lightening failure rate of the display screen is affected by dust and static electricity is reduced.

The utility model relates to a double-end silica gel dispensing device which comprises a conveying line body, a machine table arranged beside the conveying line body, a positioning assembly arranged on the machine table, a first transverse moving assembly, a first dispensing device driven by the first transverse moving assembly to move, a second transverse moving assembly and a second dispensing device driven by the second transverse moving assembly to move. The conveying line body comprises a line body flow channel, a stopping block arranged on the line body flow channel and a jacking positioning air cylinder used for jacking up products in the line body flow channel. According to the double-end silica gel dispensing device conveying line body, the jacking positioning air cylinder and the stopping block are integrated, the jacking positioning air cylinder is matched with the stopping block to achieve positioning of products, the positioning assembly comprises the first sliding table air cylinder and the second sliding table air cylinder, the products are pushed from the same side of the products jacked by the jacking positioning air cylinder in the lateral direction, and the products are positioned. The secondary positioning of the product is realized, the dispensing error possibly caused by the displacement or shaking of the product can be effectively reduced, and the precision and the consistency of the dispensing operation are improved.

The utility model relates to the technical field of fans, in particular to a turbofan. The device comprises a shell, and the shell comprises an upper shell and a handle; the motor and the impeller are arranged in the upper shell; the circuit board is arranged in the handle; an air guide opening is formed in the connecting position of the upper shell and the handle, the upper shell is communicated with an inner cavity of the handle through the air guide opening, and the air guide opening is suitable for guiding part of airflow in the upper shell to the inner cavity of the handle. According to the air guide opening, when the turbofan works, part of air flow penetrating through the upper shell can be guided into the inner cavity of the handle, heat dissipation is conducted on electronic devices in the handle, and the internal temperature is prevented from being too high.

The utility model discloses a shaft current conductive brush device and a motor. According to the utility model, the shaft current conductive brush device comprises a ring body, at least one end face of the ring body is provided with a plurality of mounting grooves arranged along the circumferential direction, and each mounting groove is provided with a first opening located on the end face of at least one side of the ring body, and a plurality of electrostatic charge clearing assemblies, the electrostatic charge removing assemblies are installed in the installation grooves along the first openings, the conductive fibers of the electrostatic charge removing assemblies extend in the radial direction towards the area formed by surrounding of the ring body, and at least part of the conductive fibers extend into the area formed by surrounding of the ring body. Compared with the prior art, the production efficiency is high, and the manufacturing process is simple.

The invention relates to the technical field of printing equipment, in particular to a printing ink drying device for anti-counterfeiting stained paper, which comprises a rack, a conveying mechanism is arranged above the rack, a drying box body is arranged above the conveying mechanism, and the drying box body is sequentially divided into a leveling preheating area, a main curing area and a forced cooling area along the conveying direction; the conveying mechanism comprises a high-temperature-resistant conveying mesh belt and a vacuum adsorption platform arranged below the mesh belt; an LED-UV cold light source assembly is arranged in the main curing area, infrared heating pipes transversely arranged in the leveling preheating area and a reflecting cover above the infrared heating pipes are matched with the LED-UV cold light source assembly with a water-cooling circulation flow channel in the main curing area and an external cooling-water machine, and printing ink is evenly heated through infrared radiation to be leveled firstly; curing is completed through low-temperature ultraviolet light, a light source is cooled synchronously in a circulating mode, the effects of ink flat curing and paper low-heat deformation are achieved synchronously, and high-speed continuous operation is effectively supported.

The embodiment of the invention discloses electronic equipment, a composite board and a preparation method thereof, and relates to the field of board structures. The conductive performance of the composite board is improved. According to the specific scheme, the composite board comprises a composite layer, a carbon fiber yarn layer, a conductive layer and a floor. The composite layer is provided with a groove structure; the carbon fiber yarn layer is embedded in the composite layer, and part of the carbon fiber yarn layer is located in the groove structure. The conductive layer and the composite layer are stacked, and the conductive layer covers at least part of the groove structure and is electrically connected with the carbon fiber yarn layer. One side of the conductive layer away from the composite layer is electrically connected with the floor. And the conductive layer is electrically conducted with the carbon fiber yarn layer. And the carbon fiber yarn layer embedded in the composite layer is electrically connected with the floor through the arrangement of the groove structure and the conductive layer. Therefore, charges in the whole carbon fiber yarn layer can flow to the floor through the conductive layer. And the whole carbon fiber yarn layer has an electromagnetic compatibility protection effect. When the composite board is applied to the electronic equipment, the electromagnetic compatibility protection performance of the electronic equipment can be improved.

The invention discloses a high-low voltage power distribution cabinet with a protection function and a use method thereof.The high-low voltage power distribution cabinet comprises a power distribution cabinet mechanism, the power distribution cabinet mechanism comprises a power distribution cabinet body, a protection turnover mechanism is installed on the inner side of the power distribution cabinet body, and a linkage groove is formed in the rear side of the interior of the power distribution cabinet body; and a rectangular pull opening communicated with the linkage groove is formed in the lower part of the rear part of the inner cavity of the power distribution cabinet body. According to the high-low voltage power distribution cabinet with the protection function and the use method thereof, the power distribution cabinet mechanism and the protection turnover mechanism are used in a combined manner, and through the arrangement of the two mechanisms, the connection of an electrostatic bracelet and a bolt guide rod can be utilized, and the touch of the electrostatic bracelet becomes a precondition for opening a protection door plate, so that the static electricity of a human body can be eliminated in advance; and then the protection door plate is unlocked through linkage between the structures, and the safety during operation is improved.

The invention provides a display module and electronic equipment, the display module comprises a display panel, a first module lamination layer and a transmission layer which are stacked, the first module lamination layer is located on one side away from a light emitting surface of the display panel, a first sub-lamination layer of the first module lamination layer is stacked between the transmission layer and the display panel, and a second sub-lamination layer of the first module lamination layer is located on one side away from the light emitting surface of the display panel. The first sub-stack includes a hard material. The at least two wiring connection structures of the display module are both connected with the transmission layer, one of the at least two wiring connection structures is used for being electrically connected with a first device in the electronic equipment, and the other one of the at least two wiring connection structures is used for being electrically connected with a second device in the electronic equipment. Therefore, the transmission layer is used for transmitting signals between the first device and the second device. Through the display module, the structure of the electronic equipment can be compact, and the internal space of the electronic equipment can be saved.

The utility model relates to the technical field of static elimination, and discloses a static elimination device for a circuit board, which comprises a device body, a top plate is arranged at the upper end of the device body, a transverse moving mechanism is arranged in the top plate, and a longitudinal moving mechanism is arranged at the lower end of the transverse moving mechanism. According to the utility model, through the arrangement of the transverse moving mechanism and the longitudinal moving mechanism, the static elimination rod can be driven to move, through the cooperation of the fixing mechanism, the sleeve and the fixing plate, a circuit board can be preliminarily fixed, and a second electric telescopic rod drives a second limiting plate to move. The circuit board is further positioned and fixed, and the positioning effect is good.

The invention discloses an automatic cleaning device for flyings, dust and impurities on the surface of a leather roller of a drawing frame, and relates to the technical field of drawing frames. The leather roller comprises a leather roller seat, a leather roller body is installed on one side of the leather roller seat, and a scraper is arranged on one side of the leather roller body. Through the rotation effect of the rotating rod, the fixing cylinder and the stand column in the anti-blocking mechanism, scraped flyings are wound on the surface of the stand column, the flyings are prevented from directly blocking the filter screen, and therefore it is guaranteed that the ventilation quantity of the filter screen is stable. Flying is further guided to flow to the fixed cylinder through cooperation of a material guide plate and a semi-ring sleeve, accumulation is reduced, the maintenance frequency is reduced, the cleaning efficiency is improved, the humidification mechanism monitors the humidity of the working environment of the leather roller in real time through a hygrometer, when the humidity is lower than a set value, a linkage assembly automatically starts an atomization plate to spray water mist, and static electricity is effectively reduced. The reduction of static electricity can obviously reduce the adsorption of flying and dust impurities, a virtuous cycle is formed, the surface of the leather roller is protected, and the service life of equipment is prolonged.

The invention discloses a method for preparing micro-nano fibers through needle-free electrostatic spinning equipment assisted by an ion blower gun, and belongs to the technical field of spinning. The method specifically comprises the following steps: S1, dissolving a high-molecular polymer in a proper solvent to prepare a spinning precursor solution; and S2, preparing the micro-nano fiber from the spinning solution on a suitable collection surface by using an ion blower gun assisted needleless electrostatic spinning device. Through the synergistic effect of directional airflow generated by the ion blower gun and a controllable electric field, fiber surface charges are effectively neutralized, the jet instability is inhibited, and the controllability of a fiber flight path is improved. Meanwhile, the ionic wind assists in enhancing interface attachment between the fiber and the collector, uniform deposition is promoted, and the compactness and adhesive force of the fiber membrane are remarkably improved. According to the method, chemical modification does not need to be carried out on a material system, the intrinsic performance of the fiber is kept, universality and expandability are achieved, and a new path is provided for continuous preparation of the high-performance micro-nano fiber.

The utility model relates to the technical field of circuit board processing, and discloses a circuit board processing workbench which comprises a workbench body, a base is arranged below the workbench body, a mounting plate is arranged above the workbench body, a static electricity removing mechanism is arranged above the mounting plate, an adjusting mechanism is arranged in the base, and the adjusting mechanism is arranged in the workbench body. A positioning mechanism is arranged above the workbench body, and a driving mechanism is arranged between the workbench body and the mounting plate. According to the circuit board processing workbench, the static electricity eliminating mechanism is arranged, so that when the workbench is used for processing a circuit board, the design of an ion fan can blow ion wind to the workbench, static electricity eliminating operation is carried out on the workbench and the processed circuit board, and the situation that the processed circuit board is damaged due to static electricity accumulation is avoided; and meanwhile, dust and impurities attached to the surface of the circuit board due to static electricity can be reduced, and the practicability and protection performance of the workbench are improved.