7676 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 the technical field of polymeric membrane materials, and particularly discloses an antistatic polyethylene composite membrane and a preparation method thereof. Comprising the following raw materials in parts by weight: 100 parts of low-density polyethylene, 5-9 parts of high-density polyethylene, 10-20 parts of maleic anhydride grafted polyethylene, 8-15 parts of a polyvinyl alcohol modified material, 3-5 parts of antistatic modified carbon black, 0.5-1 part of an antioxidant and 1-2 parts of a dispersing agent, the polyethylene composite film has excellent dispersibility, can effectively enhance the mechanical properties of the polyethylene composite film through the synergistic effect of physical filling and chemical grafting, forms a layer of conductive network structure, namely a conductive film, on the surface of the material through the combined effect of the polyethylene composite film and the antistatic agent, prevents the generation and accumulation of static electricity, and has good compatibility among the raw materials. And the material has excellent mechanical property and antistatic property.

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.

To reduce thrust required for carrying a charge carrier by weakening strong retreating electrostatic force acting on the charged charge carrier, and to increase a conveyable charge amount by weakening potential of the charge carrier being carried, in an electrostatic generator.SOLUTION: A charge control layer remote unit is provided that conducts to a main body of a potential control layer provided in the vicinity of a charge retention layer of a charge carrier and by applying a high voltage of a different polarity of charges charged on a potential control layer body to a charge attraction electrode close to the charge control layer remote unit, charges of the potential control layer main body are moved to a potential control layer remote unit. By increasing potential of the charge carrier and conducting the charge carrier and a recovery electrode, the charges can be safely recovered.SELECTED DRAWING: Figure 10

Exemplary semiconductor processing chambers may include a chamber body. The chambers may include a showerhead positioned atop the body. The chambers may include an electrostatic chuck assembly disposed within the body. The assembly may include a puck that may include a first plate including an electrically insulating material and that defines a substrate support surface. The puck may include a multi-zone heating assembly thermally coupled with the first plate. The puck may include bipolar electrodes. The puck may include a second plate that defines cooling channels. The assembly may include an insulator beneath the second plate. The assembly may include a base plate beneath the insulator. The assembly may include a shaft that may include a heater rod coupled with the heating assembly. The shaft may include a cooling fluid lumen fluidly coupled with the cooling channels. The shaft may include a power rod electrically coupled with a bipolar electrode.

The invention belongs to the technical field of processing of copper-aluminum composite bars for electrical connection, and particularly relates to a preparation method of a high-performance copper-aluminum composite material. The Al-based brazing filler metal adopted in the preparation process is prepared from 75-85% of Al, 10-15% of Si and 0.1-10% of Ag through a melt rotary quenching method. When the high-performance copper-aluminum composite material is prepared from the powder Al-based brazing filler metal, firstly, a copper strip is unfolded, and the surface of the copper strip is cleaned; then powder Al-based brazing filler metal is sprayed to the surface of the cleaned copper strip through an electrostatic spraying machine, and meanwhile the surface where the powder Al-based brazing filler metal is attached is treated through a laser shot peening machine; and finally, a conventional cast rolling technology is adopted for completing semi-solid compounding between the copper strip attached with the powder Al-based brazing filler metal and molten aluminum, and the high-performance copper-aluminum composite material is obtained. By using the self-made alloy brazing filler metal and combining with a laser peening adhesion technology, good connection between copper and aluminum can be formed, and formation of harmful phases on a copper-aluminum interface is inhibited on the premise of ensuring electrical properties, so that the interface bonding reliability of the copper-aluminum composite material is improved.

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 stamping equipment for powder metallurgy, and belongs to the field of powder metallurgy, the stamping equipment for powder metallurgy comprises a stamping machine body, the upper side of a horizontal part of the stamping machine body and the lower side of a hydraulic seat are jointly provided with a cleaning component, and the cleaning component comprises moving columns fixedly connected to the lower sides of the left and right parts of the hydraulic seat; the upper portions of the left side and the right side of the horizontal part of the punching machine body are rotationally connected with rotating cylinders correspondingly. Powder materials attached to the wide opening of the female die due to static electricity are swept through the arranged rotatable cleaning brush, and due to the fact that a gear drives the cleaning brush to rotate above the female die in the downward moving process of the hydraulic base, the cleaning brush is driven by the gear to rotate above the female die; the cleaning brush can remove residual powder materials at the wide opening of the female die, and the situation that part of powder raw materials are attached to the inlet due to static electricity is avoided, so that the situation that the powder raw materials cannot completely enter the female die in the stamping process, and the stamping quality of powder is affected is prevented.

The present invention relates to a home appliance comprising: a cabinet having a storage space; and a door configured by a door body for opening or closing the cabinet and a panel assembly detachably mounted to the door body, wherein the panel assembly includes: a panel forming the front surface of the door; and a lighting device provided behind the panel, and the door body is provided with a grounding member for inducing static electricity generated in the panel assembly to the door body.

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 utility model relates to the field of polyimide film detection, in particular to a polyimide film strength detection device which comprises a workbench, a first clamping plate is connected to the workbench in a sliding mode, and a second clamping plate is fixedly installed on the workbench. A digital display tension meter used for detecting the tensile strength of the polyimide film is fixedly installed on the outer wall of the first clamping plate, an exhaust pipe used for extracting air penetrates through and is fixedly communicated with the outer wall of the first clamping plate and the outer wall of the second clamping plate, and the exhaust pipe is externally connected with an air extractor. A U-shaped frame is slidably connected to the side, away from the exhaust pipe, of the outer wall of the first clamping plate and the side, away from the exhaust pipe, of the outer wall of the second clamping plate, and a roller abutting against the polyimide film is rotationally connected between the two inner side walls of the U-shaped frame; according to the utility model, the polyimide film can be adsorbed on the first clamping plate and the second clamping plate, and wrinkles are smoothed through the roller, so that the problem that the polyimide film is not easy to clamp due to static electricity is solved.

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.

The utility model belongs to the technical field of glass production, and discloses a cutting dust removal device. According to the cutting dust removal device, the first cavity is formed in the supporting seat, the electrostatic dust removal airflow is introduced into the first cavity, the electrostatic dust removal airflow eliminates dust static electricity in time, the adhesive force of dust on the surface of a glass substrate is effectively removed in time, meanwhile, the dust is sucked and discharged through the dust suction assembly, negative pressure is formed in the first cavity, and the dust removal effect is improved. The dust dissipation to the outside of the first cavity is effectively reduced, and the pollution of the dust to the glass substrate is eliminated, so that the quality and the cutting yield of the glass substrate are remarkably improved.

The invention discloses a continuous automatic micro-nano metal powder production device and method. The continuous automatic micro-nano metal powder production device comprises an ultrasonic atomization system, a high-temperature pyrolysis system, a product collection system and a tail gas treatment system which are sequentially connected. The product collection system comprises a physical separation device and an electrostatic-magnetic field synergistic adsorption device; the electrostatic-magnetic field synergistic adsorption device comprises an electrostatic collection device and a magnetic field adsorption device arranged on the outer side of the electrostatic collection device. The electrostatic collection device comprises a positive electrode electric field arrangement mechanism and a negative electrode electric field arrangement mechanism, and the positive electrode electric field arrangement mechanism is arranged in a cylindrical inner cavity of the negative electrode electric field arrangement mechanism; the positive electric field arrangement mechanism comprises a trunk and a plurality of positive electrode plates distributed in the axial direction of the trunk. Metal powder is collected in a physical separation, high-voltage static electricity and magnetic field cooperation mode, the problems that nanoscale and micron-sized fine powder is prone to leakage and difficult to collect are effectively solved, the powder collection rate is increased, and effective recycling of products is ensured.

The invention relates to the technical field of cable winding, in particular to a cable winding device for aviation cable processing, which comprises a cable winding device for aviation cable processing, and a cleaning mechanism for cleaning a cable is arranged outside the cable winding device; the cleaning mechanism comprises a driving structure, a water conveying structure and a cleaning structure which are fixedly mounted on the mounting plate; the driving structure comprises a first wire conveying wheel and a second wire conveying wheel which are horizontally arranged; the water conveying structure comprises a vertically-arranged pump shell and a transversely-arranged valve pipe. According to the cable winding device, a cable can be cleaned during winding, meanwhile, static electricity of the cable is eliminated, overall stable winding of the cable is effectively guaranteed, winding work of the winding device on the cable is facilitated, friction force generated in the conveying process of the cable provides rotating power for the first cable conveying wheel and the second cable conveying wheel, the power transmission mode is simple and direct, and the power transmission efficiency is improved. Extra energy input is not needed, and the energy consumption cost is reduced.

The invention discloses an anti-static flexible fracturing rock breaking pipe based on a conductive oxygenating conduit, which comprises a flexible outer sleeve film with two closed ends and filled with an adsorbing material combustion agent, and further comprises the conductive oxygenating conduit penetrating into the flexible outer sleeve film from the top of the flexible outer sleeve film, an excitation wire and an exhaust pipe, the excitation wire is connected with an electric ignition device, and the electric ignition device is positioned in the flexible outer sleeve film and is in contact with the adsorption material combustion agent; the outer wall of the conductive oxygenation conduit is connected with a conductive unit. The invention further discloses a rock breaking method using the anti-static flexible fracturing rock breaking pipe based on the conductive oxygenating guide pipe, the conductive unit is arranged on the conductive oxygenating guide pipe and makes contact with the ground for conduction, static electricity generated in the filling process of liquid oxygen or pressurized high-purity liquid oxygen can be guided out and eliminated, and the anti-static flexible fracturing rock breaking pipe based on the conductive oxygenating guide pipe can be used for breaking rocks. Static electricity generated in the filling process of liquid oxygen or high-purity liquid oxygen with pressure can be conducted away and eliminated more efficiently, timely and continuously, and the risk of safety accidents caused by the static electricity is greatly reduced.

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

This disclosure is directed to a circuit that includes a substrate, a target device on the substrate, and an electrostatic discharge (ESD) device electrically coupled to the target device. The ESD device includes an ESD detection circuit electrically coupled to a first reference voltage supply and a second reference voltage supply, an inverter circuit electrically coupled to the ESD detection circuit and configured to trigger in response to an ESD event on the first or second reference voltage supply, a rectifier circuit electrically coupled to the inverter circuit and configured to rectify a current discharged from the inverter circuit, and a transistor electrically coupled to the rectifier circuit and configured to discharge a remaining current passing through the rectifier circuit.

The invention relates to a carbon nanofiber loaded Cu nanoparticle composite material prepared by combining an electrostatic spinning method and a high-temperature in-situ reduction reaction and used as a high-cycle-stability zinc negative electrode coating of an aqueous zinc ion battery. Belongs to the technical field of new energy materials. The prepared composite electrode material is regular in structure and excellent in electrochemical performance. Cu is introduced through a high-temperature in-situ reduction reaction. And after the Cu is loaded with the carbon nanofibers, not only is the slow dynamic process of the bare zinc electrode improved, but also the uniform deposition of Zn < 2 + > on the zinc negative electrode in the embedding / separating process is induced.

A central air conditioner air outlet with a negative ion coupling purification and disinfection function comprises a shell, a front cover is arranged in front of the shell, an air outlet is formed in the front cover, an air guide plate is arranged in the air outlet, an air inlet is formed in the rear of the shell, a dust collection charged assembly is further arranged in the shell, and an integrated control assembly is further arranged on one side of the dust collection charged assembly. Aiming at the defects in the prior art, the utility model provides the central air conditioner air outlet with the negative ion coupling purification and disinfection functions, particulate matters are adsorbed through micro static electricity, and harmful microorganisms such as germs and the like can be disinfected by using negative ion charges. The negative ion air conditioner is further provided with a negative ion generating device, and by means of the negative ion generating device, negative ions can be continuously released into a room when the air conditioner runs, so that the sleep quality can be improved, fatigue can be relieved, and immunity can be enhanced while indoor air is purified. In conclusion, the negative ion purifier is suitable for the field of negative ion purification equipment.

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 utility model discloses a millimeter wave chip packaging structure based on a substrate integrated waveguide and an artificial magnetic conductor, which relates to the technical field of millimeter wave chip packaging, and comprises a chip, a cover plate and a base, the cover plate is in sealing fit with the base, the chip is arranged in the base, and the cover plate comprises a metal flat plate and a plurality of metal columns connected below the metal flat plate and distributed in an array. The metal column is not contacted with the base; the base comprises a frame, an SIW substrate, a direct current feed terminal and a heat sink, a first groove is formed in the center of the upper surface of the heat sink, and second grooves are formed in the two sides of the first groove and communicated with the first groove. According to the utility model, the SIW substrate is adopted to replace a traditional strip line terminal to serve as the millimeter wave input end and the millimeter wave output end of the shell, and the conductive materials on the upper surface and the lower surface of the SIW substrate are titanium tungsten / nickel / gold in sequence, so that the structure is simple, the processing technology is simple, the assembly technology is simple, the price is low, and the like; and the cable also has the advantages of wide working frequency band, large bearing power, small reflection loss, small transmission loss and the like, and also has the advantages of static electricity prevention and lightning protection.

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 provides a display module and a display device.The display module comprises a display panel, a polarization layer and a protection layer, the display panel comprises a display area and a frame area arranged on one side of the display area, the frame area comprises a first sub-frame area and second sub-frame areas arranged on the two sides of the first frame area, the polarization layer is arranged on the light emitting side of the display panel, and the protection layer is arranged on the light emitting side of the display panel. The protection layer is partially arranged on the first sub-frame area, and the orthographic projection of the protection layer on the display panel is not overlapped with the second sub-frame area, so that the protection layer is prevented from blocking a path through which static electricity enters an interface between the polarization layer and the display panel, and a large amount of static electricity is prevented from being accumulated at the second sub-frame area; therefore, the situation that the two sides of the frame area of the display panel emit light abnormally can be improved.