61 results about "Membrane switch" patented technology

The invention provides high-stability double-layer core-shell coated pure copper silver-substituted conductive paste and a preparation method thereof, and belongs to the technical field of electronic special materials. The copper-resistant coating comprises the following components in percentage by mass: 82%-90% of antioxidant copper powder with a double-layer core-shell structure, 3%-6% of bismuth-boron-zinc lead-free low-melting-point glass powder, 3%-7% of a modified epoxy resin compound organic carrier, 2%-5% of a gradient volatilization compound solvent and 0.5%-2% of a special compound additive for copper. Through the double-layer core-shell copper powder design of inner-layer nano-silver passivation and outer-layer organic composite coating and in cooperation with a liquid-phase synergistic anti-oxidation system, the volume resistivity after slurry curing is smaller than or equal to 3.5 * 10 <-5 > omega.cm, the resistivity change rate after 1000-hour damp-heat aging at 85 DEG C / 85% RH is smaller than or equal to 10%, the normal-temperature storage period without opening a tank is larger than or equal to 6 months, direct curing can be conducted in the conventional air atmosphere of 120-160 DEG C, and the high-temperature-resistant copper paste can be applied to the field of high-temperature storage. The silver paste is completely compatible with production and application production lines of existing silver paste, equipment transformation is not needed, the comprehensive cost is reduced by more than 80% compared with pure silver paste, and the silver paste can be widely applied to the fields of PCBs, membrane switches, flexible electronics, photovoltaic back electrodes, LED packaging and the like.

The utility model belongs to the technical field of membrane switches, and particularly relates to a vacuum adsorption turnover table for assembling a membrane switch, which comprises a base, an adsorption mechanism, a clamping mechanism and a turnover mechanism, and is characterized in that through the arrangement of the adsorption mechanism, a circuit board layer of the membrane switch is placed in the center of the top surface of a placement table; a vacuum pump is operated to form negative pressure in a vacuum cavity, so that the circuit board layer can be adsorbed and fixed, the circuit board layer can be conveniently assembled, and a clamping mechanism is arranged to control a second air cylinder to drive clamping plates to be close to each other so as to clamp and fix the panel layer; a first air cylinder is controlled to drive a circuit board layer to move upwards so that the circuit board layer and a panel layer can be spliced and assembled, by arranging a turnover mechanism, when the panel layer needs to be turned over, a rotary handle is pulled outwards to drive an inserting rod to be separated from an inserting groove so that limiting of the turnover mechanism to the panel layer can be relieved, and the rotary handle is rotated to drive a clamping mechanism and the panel layer to rotate; and the rotating angle of the panel layer can be adjusted.

The utility model discloses a superconductive membrane switch comprising a panel layer, an upper circuit board, an isolation layer and a lower circuit board which are sequentially bonded and fixed from top to bottom, the panel layer is provided with a plurality of button parts, and the edge position of the lower surface of the panel layer is provided with a plurality of positioning projections. A plurality of positioning grooves are formed in the edge of the upper surface of the upper circuit board, the positioning protrusions and the positioning grooves are arranged in a one-to-one correspondence mode, and the positioning protrusions can be tightly matched with the corresponding positioning grooves. According to the utility model, rapid positioning between the panel layer and the upper circuit board can be realized, and the risk of pasting dislocation of the panel layer is reduced, thereby ensuring normal use of the membrane switch.

The application discloses an online detection system and method for a digital printing film switch, and relates to the technical field of machine vision detection. The method comprises the following steps: acquiring an initial image of a product to be detected; processing the initial image to obtain a second image; detecting the second image to obtain a size defect result, a position defect result, a color difference defect result, a bubble defect result and a crack defect result of the product to be detected; obtaining a total defect detection result of the product to be detected according to the size defect result, the position defect result, the color difference defect result, the bubble defect result and the crack defect result; and sorting the product to be detected according to the total defect detection result of the product to be detected. The method improves detection precision and production efficiency, and effectively reduces the missing detection rate and the false detection rate.

The utility model belongs to the technical field of die cutting, and particularly relates to a film switch panel die cutting device which comprises a base, and a supporting plate is fixedly connected to the top of the base. A die cutting assembly is arranged in the middle of the supporting plate. The base group is fixedly connected with a pair of square plates; the side wall of the square plate is fixedly connected with a servo motor; the output end of the servo motor is fixedly connected with a rotating rod; the rotating rod penetrates through the square plate and is rotationally connected with the square plate; the top of the rotating rod is fixedly connected with a fixed plate; the middle part of the fixed plate is fixedly connected with a vacuum chuck; the side wall of the rotating rod is fixedly connected with a transmission pipe; materials are adsorbed and fixed through vacuum suction cups, the materials can be flexibly fixed through the vacuum suction cups, damage to the materials is reduced when the materials are fixed, meanwhile, after the materials are treated, the materials are conveyed to the surface of a connecting plate through rotation of a rotating rod, and finally the materials are guided to rapidly enter a collecting box; and convenience can be increased when the materials are taken out.

The utility model discloses an electronic membrane switch capable of preventing dislocation, which relates to the field of electronic membrane switches and comprises a switch body, a plurality of groups of membrane elastic sheets are mounted at the top of a first panel, reinforcing blocks are arranged in the membrane elastic sheets, and a plurality of groups of connecting rods are connected to the bottoms of the reinforcing blocks. A connecting column is arranged at the end of the connecting rod, and the outer wall of the connecting column is sleeved with a limiting ring. The electronic thin-film switch solves the problem that the internal structure of the electronic thin-film switch is easy to damage when the pressing force of a person is too large, when the thin-film elastic sheet deforms, the thin-film elastic sheet pushes the connecting column downwards through the connecting rod, so that the connecting column deforms the first guide sheet downwards, and the first guide sheet is prevented from being damaged in the displacement process of the connecting column. The limiting ring carries out limiting control on movement of the connecting column, so that the connecting column can move in the vertical direction all the time, the limiting ring can limit the displacement distance of the connecting column, and the situation that the connecting column extrudes and damages the second guide piece due to the fact that the pressing force of personnel is too large is prevented.

A PIN-out circuit structure capable of preventing poor insulation and a membrane switch are disclosed, the PIN-out circuit structure comprises a rubber isolation layer, two sides of the rubber isolation layer are respectively provided with an upper conductive layer and a lower conductive layer, the upper conductive layer and the lower conductive layer are respectively arranged on the upper side and the lower side of the rubber isolation layer through an upper conductive ink layer and a lower conductive ink layer, and the upper conductive ink layer and the lower conductive ink layer are respectively arranged on the upper side and the lower side of the rubber isolation layer. And the end part of the lower conductive ink layer is arranged in an inward shrinkage manner so as to avoid a punching position. According to the PIN outlet circuit structure capable of preventing poor insulation and the membrane switch provided by the utility model, the end part of the lower conductive ink layer is arranged in an inward shrinkage manner so as to avoid a punching position, so that the problem of poor insulation of the circuit at the PIN outlet position caused by residual ink on the circuit due to punching of the lower conductive ink layer can be avoided.

This utility model relates to the field of membrane switch testing technology and discloses a membrane switch function testing device, including a fixed platform. A connecting platform is fixedly connected to the top left side of the fixed platform. A lifting mechanism is provided on the top of the connecting platform, and an adjustment mechanism is provided at the bottom of the lifting mechanism. A testing platform is fixedly connected to the top of the connecting platform. Control buttons are fixedly connected to the left and right sides of the front of the connecting platform. A load-bearing frame is fixedly connected to the top right side of the fixed platform, and a display is fixedly connected to the top of the load-bearing frame. A membrane switch body is provided on the top of the testing platform, and the bottom of the membrane switch body is in contact with the top of the testing platform. The lifting mechanism includes a support frame. A cylinder drives the lifting plate to move vertically, causing the contact buttons to precisely press down on the membrane switch body, replacing manual pressing and improving work efficiency. A limit rod can limit the lifting plate, making the lifting plate more stable during the lifting process.

The application discloses a kind of high-performance low-silver content silver paste and preparation method thereof, belong to printed circuit technical field.The preparation method includes: preparation epoxy-polyurethane copolymer resin;Epoxy-polyurethane copolymer resin, ethylene glycol diglycidyl ether active diluent and mixed organic solvent are stirred and reacted, to obtain organic carrier;Organic carrier, 3-amino propyl triethoxysilane coupling agent and BYK-180 dispersant are stirred at low speed, then carboxylated single-walled carbon nanotube is added, stirred at high speed, batched silver flake is added, continue to stir, to obtain mixed slurry;Thickening agent is added to mixed slurry, stir, then curing agent and accelerator are added, continue to stir, to obtain uniform paste;Uniform paste is repeatedly ground, then vacuum degassing and filtration are carried out in turn.The silver content of high-performance low-silver content silver paste prepared by the application is low, curing temperature is low, conductivity is good and flexural resistance is good, suitable for low-temperature fast drying requirement's membrane switch or flexible printed circuit.

The utility model discloses a kind of anti-keyboard offset structures of convex electronic membrane switch, specifically related to anti-keyboard offset structure technical field, including key mechanism, bottom plate assembly and mounting assembly, bottom plate assembly is installed in the below of key mechanism, and mounting assembly is installed in the below of the bottom plate assembly, it is limited horizontal displacement by the cooperation limit component in key mechanism, i. e.

This utility model relates to the field of computer keyboard technology and discloses an anti-ghosting computer keyboard membrane switch, including a membrane body. An upper wire is disposed inside the membrane body, and a middle partition layer is disposed on the lower surface of the upper wire. The outer wall of the middle partition layer is disposed inside the membrane body, and a circular hole is formed inside the middle partition layer. A lower wire is disposed on the lower surface of the middle partition layer, and the outer wall of the lower wire is disposed inside the membrane body. A conductive line is disposed inside the lower wire, and solder pads are fixedly connected to both outer walls of the conductive line. In this utility model, through the cooperation of the upper wire, middle partition layer, circular hole, lower wire, conductive line, solder pads, UV bridge, and surface mount, effective insulation and isolation are achieved, enhancing signal stability and anti-interference, reducing the probability of accidental touches, and simultaneously realizing a precise and reliable conduction triggering function, thereby effectively preventing ghosting.

The utility model discloses an electrochromism electric quantity indicating device for a dry battery, and particularly relates to an electrochromism electric quantity indicating device which is composed of an electrochromism module, an insulating sheet, a membrane switch attached to the insulating sheet and an electrode connecting end, and the color of the electrochromism module can be changed by pressing the membrane switch attached to the insulating sheet. The residual electric quantity in the dry battery can be judged according to the color change of the electrochromism module, and the electrochromism electric quantity indicating device plays a role in indicating the electric quantity of the dry battery. The electrochromic electric quantity indicating device for the dry battery can be applied to the production field of the dry battery.

The utility model belongs to the field of conveying equipment, and particularly relates to a membrane switch feeding device which comprises a machine frame, a plurality of rotating shafts are connected to the machine frame in a rotating mode, chain wheels are fixedly connected to the rotating shafts, chains are installed on the chain wheels, a motor is fixedly connected to the side face of the machine frame, and the output end of the motor is fixedly connected with the rotating shafts. A plurality of chain plates are installed on the chain, a support is fixedly connected to the chain plates, sliding grooves are formed in the two ends of the support, and sliding blocks are connected into the two sliding grooves in a sliding mode. During use, a rotating shaft, a chain wheel, a chain, a motor and a chain plate are mounted on a rack to form a plate chain type conveyor, the chain plate is driven by the motor to move, a support is mounted above the chain plate, clamping seats are mounted on two sides of the support, and the edge of a thin-film switch circuit board is clamped from two sides by the aid of the two clamping seats. Therefore, the thin-film switch circuit board is fixed, the transportation stability is improved, and conveying assembly and grabbing of other equipment are facilitated.

The invention discloses an intelligent training pad, a motion data processing method and system and a medium, and is applied to the technical field of training pads. A pressure sensing unit is arranged in the jumping area and used for collecting a pressure signal; a thin film switch unit is arranged in the flat plate supporting area and used for collecting switch state signals; and the control module is electrically connected with the pressure sensing unit, the membrane switch unit and the display module, and is used for counting based on the pressure signal and displaying a counting result through the display module, or timing based on the switch state signal and displaying a timing result through the display module. Thus, by using the intelligent training pad, the sports safety and comfort can be improved, automatic timing and counting can be achieved, and therefore most sports scenes can be met; moreover, the counting result or the timing result is displayed through the display module, so that the user can conveniently master the training progress in real time, training is easier to achieve the training target, and the user experience can be improved.

The utility model discloses a kind of circuit detection equipment for electronic membrane switch production, it is related to membrane switch detection field, including installation platform, hard interface switch and soft interface switch, the top of installation platform is provided with workbench and mounting bracket, and the bottom of mounting bracket is provided with telescopic component, and the bottom of telescopic component is provided with detection probe, rotatable connection is formed between the workbench and mounting bracket rotation table, and the side of rotation table is provided with clamping frame.The utility model can be turned over by setting rotation table, one side of rotation table is used to detect soft interface switch, and the other side of rotation table is provided with clamping frame, clamping frame can be clamped hard interface switch, and then circuit detection equipment can be switched by turning over rotation table 180 °, the quick switching of detection mode is carried out, so that it is more convenient for switching detection between soft interface switch and hard interface switch.

The utility model discloses a membrane switch performance detection equipment concretely relates to membrane switch detection technical field, including base, the base top is fixed with the mount frame through the welding, the top of mount frame is in horizontal state, the mount frame places at the top of pneumatic cylinder, the pneumatic cylinder output end is connected with telescopic link, drives telescopic link to carry the automatic up and down movement of bearing plate and inspection rod through pneumatic cylinder, completes the pressing detection to membrane switch, reduces manual intervention, and the production efficiency is greatly promoted. On detection accuracy, fixed plate and limit rod cooperation guarantee bearing plate movement stability, avoid deviation, ensure that inspection rod accurate effect is in membrane switch, and if the high accuracy sensor is gathered data in the subsequent, can further improve detection accuracy. On operation, is equipped with control switch and display, and operating personnel can easily control equipment operation and intuitively check data result, and the operation is simple, reduces the difficulty, and promotes the use experience.

This utility model relates to the field of membrane switch positioning hole processing technology, and discloses an automatic drilling device for membrane switch positioning holes. The device includes a worktable with an automatic drilling mechanism and an auxiliary feeding mechanism on its surface. The automatic drilling mechanism consists of a dual-axis material automatic gripping and moving component and an automatic drilling component. The dual-axis material automatic gripping and moving component achieves precise material gripping and movement through two ball screw linear guides and pneumatic suction cups. The automatic drilling component uses a cylinder and a pneumatic telescopic column to control the drilling head, and combines a camera and auxiliary lighting to monitor the positioning point to ensure drilling accuracy. An auxiliary holding plate prevents material movement. The auxiliary feeding mechanism uses a servo-controlled motor and lead screw to align and feed the material. A finished product placement box is used for storage. This device has a high degree of automation and can accurately and efficiently complete the processing of membrane switch positioning holes, meeting the needs of automated production, reducing labor costs, and improving processing efficiency and stability.

The utility model belongs to the technical field of thin-film switch processing, and particularly relates to thin-film switch panel scratch repairing and polishing equipment, a fixing mechanism comprises a driving part and a clamping part, and the driving part and the clamping part are both arranged below a polishing table; the four sliding blocks are symmetrically arranged on the polishing table in a cross shape, the sliding blocks are connected to the inner wall of the polishing table in a sliding mode, the supporting plate is fixedly connected with the polishing table through the fixing columns, the driving part and the clamping part are arranged in the supporting plate, and the driving part is arranged on the upper surface of the supporting plate in a sliding mode; according to the polishing device, the driving part is arranged below the polishing table to drive the sliding blocks to slide along the polishing table, any sliding block slides to drive the rotating plate to rotate through the L-shaped plate, and the other sliding blocks are synchronously driven to synchronously slide inwards; therefore, the panel placed in the center of the polishing table can be fixed from the four sides, and the effect of improving the polishing precision is achieved.

This invention discloses a key position testing device for membrane switches, belonging to the field of membrane switch testing technology. It includes a workbench with multiple support rods fixedly installed on its top wall. A top plate is fixedly installed at the top of each support rod, and an electric telescopic rod is fixedly installed on the top plate. A mounting plate is fixedly installed on the output end of the electric telescopic rod, and a testing component is mounted on the mounting plate. A limiting component is provided on the workbench; the limiting component includes a rotating disk rotatably mounted on the top wall of the workbench. This solution utilizes the cooperation between the drive groove of the vertical plate and the clamping plate. During the pressing of the testing component, the vertical plate automatically pushes the two clamping plates closer together. This not only allows the membrane switch to be accurately pushed directly under the testing component via the inclined plate, achieving manual alignment, but also simultaneously clamps and fixes the membrane switch. Furthermore, material can be loaded into adjacent clamping positions during testing, enabling simultaneous testing and loading, thus improving testing efficiency.

The utility model belongs to the technical field of membrane switches, and particularly relates to a membrane switch drying device which comprises a conveying assembly. A drying box is fixedly connected to the middle of the conveying assembly, an air cylinder is fixedly connected to the top of the drying box, a lifting table is fixedly connected to the bottom of the air cylinder, a heating plate is fixedly connected to the bottom of the lifting table, and a containing plate is slidably connected to the top of the conveying assembly. The heating plate is started, then the membrane switch is placed on the placing plate, the conveying assembly is started, the conveying assembly can drive the placing plate to move and convey the placing plate to the bottom of the drying box, and under the action of the heating plate, the membrane switch on the placing plate is dried; the air cylinder is arranged to control the lifting table to ascend and descend, then the position of the heating plate is adjusted and controlled, the effect of adjusting the distance between the heating plate and the drying box is achieved, and then the effect of adjusting and controlling the temperature during drying operation of the membrane switch is achieved.

The application discloses a power supply control circuit and a power supply independent control method, device and medium for a terminal screen, relates to the technical field of terminal maintenance, and comprises the following steps: after a built-in membrane switch of a power supply control circuit of a target mobile terminal receives a screen power supply control instruction, a corresponding screen power supply control signal is triggered, and the screen power supply control signal is sent to a first screen power supply control integrated circuit; and through the first screen power supply control integrated circuit, the opening and closing of an electronic switch are controlled based on the screen power supply control signal, so that the on-off of a screen power supply circuit of the target mobile terminal is independently controlled. Therefore, the problem that the screen maintenance difficulty and material loss increase due to the increasing design complexity of the mobile terminal can be solved.

The utility model provides a membrane switch with an anti-blocking vent hole, which comprises a panel layer, an upper circuit layer, a spacer adhesive layer, a conductive layer, a lower circuit layer and a bottom plate layer which are sequentially attached and connected from top to bottom, and a switch inner cavity is formed between the upper circuit layer and the conductive layer through the spacer adhesive layer. A plurality of exhaust holes communicated with the inner cavity of the switch are formed in the positions, corresponding to the inner cavity of the switch, of the spacer rubber layer, and an insulating supporting layer is arranged in the middle of each exhaust hole; the width of the insulating supporting layer is smaller than the inner diameter of the exhaust hole; and the thickness of the insulating support layer is equal to that of the spacer adhesive layer. The exhaust port can be prevented from being blocked.

The utility model provides a kind of anti-arched circuit structure, including from bottom to top layer-stacked lower line conductive substrate, lower line conductive ink layer, isolation adhesive layer, upper line conductive ink layer, upper line conductive substrate, surface adhesive layer and panel layer, and surface adhesive layer and upper line conductive substrate are provided with corresponding through holes.The utility model sets up corresponding through holes on surface adhesive layer and upper line conductive substrate, so that gas between layers can be mutually connected.In the process of assembly or use, gas will not cause pressure due to accumulation to cause arching, fundamentally solves the problem of membrane switch arching, ensures the flatness and stability of product.

This utility model relates to the field of membrane switch bonding technology and discloses a semi-automatic membrane switch bonding device, including a processing table. A bonding mechanism is provided on the top of the processing table, and a storage mechanism is provided on the right side of the bonding mechanism. The bonding mechanism includes a load-bearing frame, which is fixedly connected to the right side of the processing table. A first servo motor is fixedly connected to the bottom front side of the load-bearing frame, and a first rotating rod is fixedly connected to the rear side of the first servo motor. In use, the bonding mechanism enables semi-automatic bonding of the membrane switch. The first servo motor drives the first rotating rod and the lower pressure roller to rotate, and the second servo motor drives the second rotating rod and the upper pressure roller to rotate. The synchronous rotation of the upper and lower pressure rollers can bond the membrane switch. Moreover, the upper and lower pressure rollers rotate in opposite directions, which greatly improves the bonding efficiency. A hydraulic cylinder drives the moving table, top frame, telescopic column, bottom frame and other components to move up and down.

The utility model discloses a blanking type membrane switch with a composite layer, which belongs to the technical field of electronic switches and comprises a panel layer, a touch feedback layer is arranged above the panel layer, an anti-dazzle PET (polyethylene terephthalate) protective layer is arranged above the touch feedback layer, an upper circuit layer is arranged at the bottom of the panel layer, and a lower circuit layer is arranged at the bottom of the panel layer. A flexible conducting layer is arranged on the upper surface of the upper circuit layer, the panel layer and the upper circuit layer are connected in a gluing mode through a surface glue layer, a lower circuit layer is arranged at the bottom of the upper circuit layer, and an isolating layer is arranged between the upper circuit layer and the lower circuit layer. The surface of the membrane switch has high light transmittance and good scratch resistance through the arranged anti-dazzle PET protective layer, a screen can be protected from being scratched and polluted, reflection of external light on the screen is effectively reduced, local heat generated during operation can be rapidly conducted out through the arranged insulating base material layer, and the service life of the membrane switch is prolonged. And local aging of each part caused by high temperature is avoided.

A membrane switch structure capable of prolonging the service life of a key comprises a conductive base material, conductive ink, an isolation rubber material and a panel which are sequentially arranged from bottom to top, a hole is dug in the isolation rubber material to form an assembly cavity communicated with the conductive ink and the panel, a metal elastic piece is arranged in the assembly cavity, and hardened ink is arranged on the portion, making contact with the conductive ink, of the metal elastic piece in a cushioned mode. According to the membrane switch structure capable of prolonging the service life of the key provided by the utility model, the hardened printing ink is padded at the contact part of the metal elastic sheet and the conductive printing ink, so that when the metal elastic sheet is pressed, the hardened printing ink can buffer the pressure of the metal elastic sheet on the conductive printing ink, and the direct friction between the metal elastic sheet and the conductive printing ink is reduced; the risk that the conductive ink is pressed and damaged is effectively reduced, and the service life of the key is remarkably prolonged.

The utility model discloses a thin film switch key sheet punching device which comprises a main body unit which comprises a lower platform and a base plate located over the lower platform. The horizontal fine adjustment unit comprises a plurality of wedge-shaped blocks transversely and slidably connected with the upper side wall of the lower platform and a plurality of fixing lugs fixedly installed on the upper side wall of the lower platform, the fixing lugs are in threaded connection with corresponding screw rods, and each screw rod penetrates through the corresponding fixing lug to be rotationally connected with the corresponding wedge-shaped block; a small tooth column is rotationally connected to the side, away from the wedge-shaped block, of the fixing lug, a large tooth disc meshed with the small tooth column is fixedly connected to the end, away from the wedge-shaped block, of the threaded rod, and a top block abuts against the corner of the lower side wall of the base plate. According to the utility model, the cutter does not need to be replaced when the cutter is abraded, so that the time delayed by shutdown is saved, the production cost of membrane switch punching is reduced, and the punching efficiency of the punching equipment on the membrane switch key sheet is improved.

The utility model belongs to the technical field of membrane switch production, and discloses a membrane switch flexible laminating device which comprises a rack, a workbench, an opening, a fixing frame, a supporting roller, a driving assembly and an adjusting assembly, a lifting frame is vertically arranged on the fixing frame in a sliding mode, a lower pressing roller is horizontally arranged on the lifting frame in a rotating mode, and linkage assemblies are arranged on the two sides of the fixing frame. The linkage assembly comprises a driving belt wheel, a driven gear, a rotating shaft and a driven belt wheel, a connecting base is arranged on the fixing frame, a telescopic rod is horizontally arranged on the connecting base, a tensioning belt wheel is rotationally arranged on the telescopic rod, the telescopic rod is sleeved with a compression spring, and the tensioning belt wheel, the driving belt wheel and the driven belt wheel are connected through a synchronous belt. The supporting roller and the lower pressing roller synchronously and reversely rotate to convey and press the panel, the upper circuit, the isolation layer and the lower circuit, the situation that the lower pressing roller is driven by friction force to rotate is avoided, therefore, the situation that in the pressing process, relative displacement and dislocation of all layers of materials are likely to be generated is avoided, and the product yield and the performance stability are improved.

The application relates to the technical field of film switches and discloses an anti-interference intelligent household appliance wireless communication film switch device, which comprises, from bottom to top, a substrate layer, a signal control circuit layer, a ground electrode shielding layer, a reconfigurable electromagnetic super surface layer and a haptic panel layer; the reconfigurable electromagnetic super surface layer is composed of array-arranged electromagnetic super surface units, the reflection phase and polarization characteristics of electromagnetic waves of the corresponding super surface units are dynamically regulated by changing the impedance value of the adjustable impedance element; the haptic panel layer is integrated with a distributed haptic sensing array; the device further comprises a radio frequency sensing module and an edge computing processing unit. Through dynamic impedance adjustment of the adjustable impedance element of the super surface unit, the reflection phase and polarization characteristics of electromagnetic waves can be regulated, real-time reactance compensation is realized in cooperation with a haptic electromagnetic coupling prediction model, selective regulation is carried out on interference signals of different frequency bands and different directions, and precise interference signal suppression is realized while ensuring the permeability of the communication frequency band.

The utility model discloses a kind of keyboard membrane switch of light touch connection, specifically related to membrane switch technical field, including membrane switch body, the top of membrane switch body Both sides are fixedly connected with side plate, the surface of side plate is equipped with sliding slot, the inside of sliding slot is slidably connected with slider, the inside of slider is equipped with sliding slot, the inside of sliding slot is slidably connected with limit rod, the top of limit rod is fixedly connected with the lever of pushing, the outside wall of limit rod is equipped with reset spring, the side wall of side plate is equipped with several limit holes, and several limit holes are connected with limit rod snap-fit;Through the cooperation setting of lever of pushing, limit rod, reset spring, using reset spring extrusion lever of pushing and make it insert into limit hole, to limit and fix slider, limit and fix the protection mechanism after position adjustment simultaneously, improve the stability after position adjustment of protection mechanism, make it to the protection of pressure touch button.