5543 results about "Static electricity" patented technology

The invention discloses an engineering vehicle multi-area environment control system based on AI, and particularly relates to the technical field of engineering vehicle environment control. Humidity, electric field, air pressure and dust multi-mode sensing arrays are arranged in multiple areas of an engineering vehicle, dust particle deposition distribution time sequence characteristics are extracted, and a deposition acceleration coefficient and a humidity response coefficient are calculated; calculating a dust deposition risk coefficient, comparing the dust deposition risk coefficient with a preset value, and marking a region exceeding a threshold value as a region in a dust deposition abnormal state; analyzing a deposition trend based on a time sequence prediction model, inputting environmental parameters, and predicting a dust deposition velocity curve of each area of the engineering vehicle in a future set time; according to the method, the static electricity, humidity, air pressure and dust coupling deposition risk is assessed in a prospective mode, a collaborative intervention strategy is triggered through a dynamic early warning threshold function, the effect of rapidly restraining the risk is achieved, and the problem that traditional single-parameter monitoring lags behind, and ventilation efficiency is suddenly reduced due to the fact that a coupling mechanism cannot be captured is effectively solved.

The invention relates to a coal-fired unit electrostatic dust collection energy-saving optimization method, system and equipment and a storage medium, and the method comprises the steps: obtaining historically collected system operation data of a coal-fired unit electrostatic dust collection system, and constructing an outlet NOx concentration prediction model and an outlet dust concentration dynamic model according to the system operation data; power optimization control strategies of high-voltage power supplies of all levels of electric fields in the dust removal system are obtained, a model is built based on the outlet NOx concentration prediction model, the outlet dust concentration dynamic model and the optimization control strategies, and an electrostatic dust removal energy-saving optimization model is obtained; acquiring a preset environment-friendly standard concentration, and analyzing the environment-friendly standard concentration through the electrostatic dust collection energy-saving optimization model to obtain an optimal dust collection parameter; and adjusting the current or voltage of each level of electric field in the dust removal system according to the optimal dust removal parameters. Through the constructed energy-saving optimization model, the electrostatic dust collection control system can reduce the dust emission concentration and meet the pollutant emission standard, and meanwhile, the energy consumption of the electric dust collector can be greatly reduced.

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.

The invention discloses a detection device and method for laser film production. Comprising a middle rotating shaft, upper and lower detection turntables, a middle assembly and a driving motor, the detection turntable is provided with a plurality of groups of laser detection heads, and outgoing lines of the laser detection heads are connected to a peripheral annular conductive track through a channel in the transfer shaft; an elastic shifting piece at a power leading end in a cavity of the middle assembly is in contact with the annular conductive track to realize rotary power transmission; the motor drives the middle rotating shaft to drive the detection turntable to rotate, so that the laser detection head scans the thickness of a film in a detection area between the turntables along a circumferential track; the detection rotating discs are connected through columnar discs, motor operation airflow is collected through internal annular air paths of the detection rotating discs, blowing airflow which is symmetrically divided and covers the film breadth is formed through peripheral airflow outlets, a detection area is synchronously cleaned, and static electricity is restrained. According to the invention, high-efficiency, high-precision and multi-channel online thickness measurement is realized, a self-cleaning function is integrated, and the problems of contradiction between efficiency and precision, high cleaning sensitivity and difficult production line expansion in the prior art are solved.

The invention relates to the technical field of operation control, in particular to an unattended operation crucible loading and unloading operation control system and method based on visual processing, and the method comprises the following steps: monitoring a static accumulation value in a graphite powder fluidization conveying process in real time through a distributed static sensor; when the static accumulation value exceeds a safety threshold value, pulse type ion wind neutralization treatment is triggered, and a static balance material flow is generated; the dynamic alignment deviation of the stock bin and the crucible opening is calculated; the stepping angle and the rotating speed of a spiral auger in the stock bin are controlled based on the dynamic alignment deviation, and an axial vibration field is synchronously applied in the discharging process; the position of an air gap in a material is predicted based on a convolutional neural network, and a vacuum negative pressure value is dynamically adjusted to form a gradient suction mode. According to the device, the risks of powder agglomeration, conveying pipeline blockage or electrostatic discharge caused by electrostatic accumulation are effectively prevented, the safety of the conveying process is ensured, and meanwhile, the flowing stability of graphite powder is optimized.

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 relates to the technical field of screening and collecting equipment, and particularly discloses a magnesium ingot cutting material collecting device which comprises a magnesium chip collecting box, a screening mechanism and a magnesium powder collecting assembly, the screening mechanism is used for separating magnesium chips from magnesium powder and comprises a box body, a screen, a vibration assembly and an air blowing assembly, and a material inlet and a magnesium chip outlet are formed in the box body; a magnesium chip and magnesium powder mixed material can fall on the screen when being conveyed into the box body, and the screen can drive magnesium chips to move towards the magnesium chip outlet when vibrating; the air blowing assembly is used for outputting upward separation airflow, the separation airflow can carry magnesium powder to move upwards when passing through the screen, so that the magnesium powder is separated from the magnesium chips, the magnesium powder collecting assembly is located above the screen, and the separation airflow can carry the magnesium powder to enter the magnesium powder collecting assembly. During use, magnesium chips and magnesium powder can be separated and collected, so that fire or explosion possibly caused by static electricity, friction or high temperature during storage due to the fact that the magnesium chips contain the magnesium powder is prevented.

The invention discloses a dry-process high-temperature-resistant lithium battery diaphragm and a preparation method thereof, and relates to the technical field of lithium battery diaphragms. The specific preparation method comprises the following steps: activating and cross-linking polypropylene, polyimide, a PP-b-PI block copolymer and a cross-linking agent BIBP under the protection of nitrogen to prepare a polypropylene-polyimide matrix; after melting, adding a pre-sintered ZrO2-coated Al2O3 core-shell filler, hydroxylated boron nitride and zinc borate, and carrying out double-stage screw extrusion, ultrasonic orientation, nitrogen annealing and cold roller quenching to obtain a mixed melt; carrying out warm stretching and hot air circulation heat treatment to prepare a hard elastic crystal base film; carrying out stretching, thermal relaxation and thermal shaping to obtain a microporous base membrane; after slitting, plasma activation is carried out, epoxy silane and tetraethyl orthosilicate / polybenzimidazole aerogel precursors are sprayed, and a nano closed-pore coating is formed through pre-curing and heat shrinkage curing; and finally eliminating static electricity and rolling to obtain a finished product. The lithium battery diaphragm prepared by the invention is excellent in high temperature resistance and low in thermal shrinkage rate.

A static elimination apparatus includes a conveyance unit configured to convey a sheet along a conveyance path, a non-contact static elimination unit arranged above the conveyance path and configured to eliminate static electricity from the sheet in a non-contact state, an upper side guide member arranged to face an upper surface of the sheet and configured to form part of the conveyance path, a lower side guide member arranged to face a lower surface of the sheet and configured to form the conveyance path together with the upper side guide member, a lower side unit in which the lower side guide member is arranged, and an upper side unit in which the non-contact static elimination unit is arranged and that is configured to be rotated upward with respect to the lower side unit to make at least part of the conveyance path exposed.

To provide a method of eliminating charges in a potential control layer when recovering charges simpler and easier than a new charge carrier that can carry high charges at a low potential in an electrostatic generator.SOLUTION: An eliminated charge holder with the same type and without a potential control layer is provided behind a charge carrier 7 in a traveling direction, and is charged by a charging source 8 with a polarity different from and with an equal amount as charges present in a potential control layer 73 of the charge carrier, and the charges are added to the potential control layer 73 to make a charge amount in the potential control layer 73 zero. Thereby, the charges carried in a state in which a potential of the charge carrier 7 is enhanced can be safely recovered in a simple method.SELECTED DRAWING: Figure 3

There is provided an electronic device that is capable of restraining static electricity from flowing to electronic components mounted on the electronic device. A connector shield has an electrostatic protecting portion disposed along an opening of a fitting recess of a connector. The electrostatic protecting portion is positioned in a direction along a circuit board on which the connecter is mounted, rather than at least one of a plurality of signal terminals that the connector has.

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 relates to the field of new energy battery buffer parts, in particular to an anti-static foaming silica gel buffer part for a new energy battery and a preparation method of the anti-static foaming silica gel buffer part. The anti-static foaming silica gel buffer part is prepared by mixing and foaming anti-static mixed rubber, a foaming agent, hydrogen-containing silicone oil, an inhibitor and a platinum catalyst, the anti-static rubber compound is prepared from the following raw materials in percentage by weight: 37-50% of methyl vinyl silicone rubber raw rubber, 38-45% of white carbon black, 8-15% of anti-static filler and 1-3% of hydroxyl silicone oil; the antistatic filler is composed of an antistatic agent and a silane-containing active agent; the antistatic agent is composed of acetylene carbon black and a single-walled carbon nanotube. Under the action of the silane-containing active agent, the acetylene carbon black and the single-walled carbon nanotubes are interwoven to form a stable supporting antistatic skeleton structure, so that static electricity can be effectively conducted, static electricity accumulation is avoided, the structure is kept stable in long-term use, and the compression resilience and antistatic durability of the buffer part are ensured.

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 utility model provides an automobile static electricity conducting rubber ground dragging belt which comprises a rubber belt body and a connecting buckle, the rubber belt body comprises a first belt body and a second belt body, the lower end of the first belt body is provided with a first connecting part, the upper end of the second belt body is provided with a second connecting part, and the lower end of the second belt body is used for making contact with the ground. The upper part of the first belt body upwards penetrates through the connecting buckle and is downwards bent back to form a back bending part, the back bending part is connected with the connecting buckle, and the connecting buckle is connected with an elastic pressing sheet used for pressing and fixing the first belt body. According to the static conductive rubber mopping belt for the automobile, when the mopping length of the rubber belt body needs to be adjusted, the length of the rubber belt body can be adjusted only by loosening the elastic pressing piece and pulling the first belt body downwards, and the contact state of the second belt body and the ground is guaranteed; and when the rubber belt body is seriously abraded and needs to be replaced, only the second belt body needs to be replaced, so that the waste of resources is avoided, and the use cost is effectively saved.

The invention discloses an intelligent quality control image analysis system for textile bobbins, particularly relates to the field of textile bobbin monitoring, is used for solving the problems of uneven winding and yarn breakage caused by static accumulation, and is characterized in that a fusion image is generated through a multispectral imaging technology; after the convolutional neural network analyzes the image, an electrostatic accumulation area is automatically identified, the intensity, the rate and the spatial distribution characteristics are quantized, time sequence data are fused through an optical flow algorithm, and the electrostatic intensity level is dynamically updated; when the electrostatic strength reaches a set value, capturing a dynamic track and tension change in the yarn winding and releasing process by using a corresponding sensor, extracting yarn offset data, and evaluating the influence of electrostatic interference on winding uniformity and releasing smoothness in combination with tension anomaly analysis; and finally, after the electrostatic strength and the interference analysis result are integrated, a random forest algorithm is adopted to generate a risk score, and an early warning mechanism is triggered, so that the spinning process is optimized, yarn breakage is reduced, the stability and the product quality are improved, and the production efficiency is improved.

To provide an electrostatic chuck capable of suppressing the occurrence of discharge in a gas groove.SOLUTION: An electrostatic chuck 10 includes a first portion 101 including a surface 110 on which a substrate W is placed, a second portion 102 protruding further outward from the outer peripheral edge of the first portion 101 and being thinner than the first portion 101, an internal electrode 140 provided inside the second portion 102, and a gas groove 181 formed on a surface 180 of the second portion 102. In a top view, the gas groove 181 is formed at a position that does not overlap the internal electrode 140.SELECTED DRAWING: Figure 1

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 invention provides a hybrid-driven MEMS device and a preparation method thereof, and the method comprises the steps: forming a first actuating structure in a first substrate, forming a piezoelectric composite film layer on the first actuating structure, applying voltages with opposite electrical properties to a first electrode layer and a second electrode layer, enabling a piezoelectric layer to deform under the effect of an inverse piezoelectric effect, and enabling the piezoelectric composite film layer to form a piezoelectric composite film layer; the movable end of the first actuating structure is driven to move; a second cavity is formed in the second substrate, a third electrode layer is formed in the second cavity, voltage which is the same as or opposite to that of the second electrode layer is applied to the third electrode layer, and the third electrode layer and the second electrode layer serve as electrodes for electrostatic driving. According to the MEMS device, the first actuating structure and the second actuating structure are arranged, so that the deformation deflection of the movable end of the first actuating structure is further increased on the basis of displacement generated by piezoelectric driving, the hybrid-driven MEMS device is formed, the defects of independent driving of piezoelectric driving and electrostatic driving are overcome, and the MEMS device can achieve larger displacement under the same voltage during accurate deflection.

The invention relates to the technical field of electrostatic monitoring, in particular to a cigarette packet packaging film electrostatic monitoring and eliminating system based on big data analysis. The method specifically comprises the following steps: collecting surface charge data of a packaging film in real time, carrying out high-precision fidelity noise reduction on electrostatic signals in combination with an improved empirical mode decomposition and adaptive threshold denoising algorithm, and reducing the abrupt change signal loss risk by adopting a dynamic window smoothing technology; constructing a Res-GRU-Attn model, performing time sequence modeling on the multi-dimensional feature embedded data, predicting a future static accumulation trend, and reducing an accumulated error through a dynamic error correction mechanism; dynamically adjusting the ion wind intensity and the positive and negative ion output proportion based on the prediction result; pID closed-loop feedback control is combined to optimize elimination parameters in real time; and meanwhile, static tracing and accurate recording are introduced to ensure data reliability and accuracy. Signal processing, intelligent prediction and dynamic control are combined, and the intelligent level of electrostatic monitoring and neutralization in the cigarette packet production process is remarkably improved.

The utility model relates to a material electrostatic impurity removing machine, and belongs to the technical field of tobacco impurity removing, the material electrostatic impurity removing machine comprises a shell, a conveyor and a shred removing electrostatic belt, a driving assembly is arranged in the shell, and a first impurity removing assembly for cleaning the shred removing electrostatic belt for the first time and a second impurity removing assembly for cleaning the shred removing electrostatic belt for the second time are arranged in the shell; the second impurity removing assembly comprises a pressing roller and a supporting roller, the pressing roller and the supporting roller are jointly tightened and wound with a rubber conveying belt, one side of the rubber conveying belt is tightly attached to the wire removing electrostatic belt, a cleaning pool is arranged in the shell, the supporting roller is located in the cleaning pool, a scraping plate is arranged in the cleaning pool, a heating module is arranged in the second shell, and the heating module is connected with a heating piece. The heating piece is attached to the side, away from the silk removing belt, of the rubber conveying belt, and the pressing roller is driven by a motor. The device has the advantages that impurities on the electrostatic belt can be removed more thoroughly, the situation that residual impurities on the electrostatic belt are mixed with tobacco flow again is reduced, and the impurity removal effect is improved.

The invention provides a ceramic heating plate and a processing method of the ceramic heating plate. The machining method of the ceramic heating plate comprises the steps that the ceramic heating plate formed through normal-temperature isostatic pressing is prepared, the upper surface of the ceramic heating plate is made of aluminum nitride, at least an electrostatic adsorption metal wire mesh electrode is embedded in the ceramic heating plate, the process temperature of normal-temperature isostatic pressing forming is lower than 25 DEG C, and the process air pressure of normal-temperature isostatic pressing forming is lower than 200 Mpa; the process temperature of the high-temperature and high-pressure sintering is higher than 1500 DEG C, the process air pressure of the high-temperature and high-pressure sintering is higher than 100 Mpa, and the high-temperature and high-pressure sintering is used for avoiding the use of a binder or a ceramic layer spraying process, so that the heating temperature is increased, the sparking phenomenon of an equipment corrosive agent under high electrostatic adsorption voltage is avoided, and the service life of the equipment corrosive agent is prolonged. The service life of equipment is prolonged; and the safety performance of the process is improved.

The invention discloses slivering equipment based on cotton-type wool fibers, and relates to the technical field of slivering of cotton-type wool fibers, and the slivering equipment comprises a positive sliver guide device, a stretch-breaking device, a slivering device, a transmission device for driving each device, and an embedded electronic control system which are arranged in sequence. Stable and uniform conveying is ensured through closed-loop control of the active unwinding rotating disc and the tension sensor, static electricity is effectively restrained through the automatic spraying system, the full-anti-static rubber roller and the coiling disc, the spinnability is improved, soft and accurate fiber straightening and length control are achieved through double-set five-up-ten-down full-delta-shaped curve stretch-breaking combined with pneumatic pressurization, and the production efficiency is improved. Compacting slivering and antistatic large-diameter straight pipe coiling guarantee that fiber slivers are compact in structure and excellent in forming, an embedded electronic control system conducts digital precise regulation and control on key parameters such as tension, gauge, drafting and pressure, automatic stopping and automatic creeling are achieved when the slivers are broken, and finally the effects of high-quality wool top production, high production efficiency and high production flexibility are achieved.

Disclosed are an electrical feedthrough connector, a substrate support assembly, and a method for feeding electrical signals to a processing chamber. The electrical feedthrough connector includes a first receptacle including a first electrical socket; an interface body, and a second receptacle including a second electrical socket. The interface body includes a first side, a second side, and a solid part disposed between the first side and the second side. The first side is coupled with the first receptacle, and the second receptacle is coupled with the second side. The solid part includes a conductive path embedded in a plurality of dielectric layers; and the conductive path is configured to provide an electrical connection between the first electrical socket and the second electrical socket. The substrate support assembly includes the electrical feedthrough connector. The method utilizes the electrical feedthrough connector to provide electrical signals to electrodes of an electrostatic chuck.

An electro-static discharge (ESD) protection circuit includes an ESD current discharge circuit including a first transistor, a second transistor, and a third transistor, connected in series and connected between a pad and a ground voltage, an ESD detection circuit configured to turn on the third transistor when the ESD event occurs, and a bias generation circuit configured to provide a bias voltage for turning on the first transistor to a gate of the first transistor when the ESD event occurs.

The invention discloses an unpowered air purification device based on electrostatic adsorption and negative ion effects, and relates to the technical field of air purification, the unpowered air purification device comprises a ventilation pipeline, an electrostatic adsorption module, a particle capture net, a negative ion release module and the like, a wind scooper guides airflow to enter the electrostatic adsorption module, and a friction ball rubs with an electrode plate to enable the electrode plate to be electrified; particulate matters in the air are adsorbed, falling particulate matters are collected by a liquid collecting box, residual particulate matters are further intercepted by a particulate capturing net, the elastic design is convenient for shaking off and cleaning, and the negative ion release module accelerates the generation of negative ions and purifies the air by utilizing the solar thermal conversion and piezoelectric effect. Efficient air purification is achieved through a multi-stage purification structure, the functions of humidity adjustment, intelligent reminding and the like are achieved, the structure is simple, energy conservation and environment protection are achieved, the device can adapt to various scenes, and an innovative scheme is provided for solving the air pollution problem.

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 high-surge ESD electrostatic suppressor, and relates to the technical field of electrostatic suppressors, the high-surge ESD electrostatic suppressor comprises an insulating substrate, and terminal electrodes are symmetrically arranged on the two sides of the substrate; the plurality of internal electrodes are embedded in the insulating substrate and are electrically connected with the conductive polymer layer; the conductive polymer layer is arranged among the plurality of internal electrodes and is used for ESD energy absorption and conduction; salient point units arranged in an array are arranged between the conductive polymer layer and the internal electrode; connecting interfaces between the insulating substrate and the conductive polymer layer are respectively provided with a transition interface; a frame unit wrapping the outer side of the conductive polymer layer is arranged above the insulating substrate, the two ends of the frame unit are in lap joint with the tops of the end electrodes, the frame unit and the insulating substrate are mutually connected through connecting pieces, and through holes are formed in the positions, corresponding to the connecting pieces, of the end electrodes and the internal electrodes respectively; according to the invention, the long-term ESD suppression stability and reliability of the device are improved.

The invention relates to the technical field of plastic packaging films, in particular to a casting CPE composite film material and a preparation method thereof.The casting CPE composite film material is characterized in that a corona layer is prepared from, by weight, 72-75 parts of LLDPE, 18-22 parts of LDPE, 5-6 parts of EVA and 1.5-2 parts of an opening slipping agent; the middle core layer is prepared from the following components in parts by weight: 70 to 75 parts of LLDPE (Linear Low Density Polyethylene), 20 to 25 parts of HDPE (High Density Polyethylene), 5 to 8 parts of mPE, 3 to 5 parts of modified nano silicon dioxide and 1 to 3 parts of processing aid; the heat sealing layer is prepared from the following components in parts by weight: 25 to 30 parts of mLLDPE, 68 to 72 parts of LDPE, 0.3 to 0.5 part of antistatic agent and 1 to 2 parts of processing aid. The prepared composite film material has multiple functions of flame retardance, aging resistance, static electricity resistance and the like on the basis of keeping excellent heat sealing performance and mechanical strength.

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.