145 results about "Membrane switch" patented technology

The invention discloses a membrane switch performance detection device, and belongs to the field of switch testing, the membrane switch performance detection device comprises a container, a containing cavity formed in the container, a top plate located above the container, and height adjusting assemblies fixedly connected to the two sides of the container and used for driving the top plate to ascend and descend, and heating parts are fixedly connected to the side wall and the bottom wall of the containing cavity; a sensor is fixedly connected to the side wall of the accommodating cavity; the upper end of the top plate is connected with an immersion detection assembly, and the immersion detection assembly comprises a support fixedly connected to the upper end of the top plate, a lead screw with one end rotationally connected with the inner wall of the support and the other end rotationally connected with the upper end of the top plate, and a first motor fixedly connected to the upper end of the support, and an output shaft of the first motor is fixedly connected with one end of the lead screw. According to the scheme, the heating part is arranged in the container to heat the water body in the accommodating cavity, so that the surface tension of the water body is changed, the stress of the sealing element and the water leakage probability of the micro-channel can be changed, a sample is subjected to immersion test in the water body at different temperatures, reliability verification closer to complex working conditions is realized, and customized authentication requirements are met.

The invention discloses a membrane switch twisting and discharging track which comprises a conveying belt, a plurality of placing plates are arranged on the conveying belt at equal intervals, a flattening and stretching part is arranged on each placing plate, each flattening and stretching part is composed of a flattening piece and a stretching piece, the flattening pieces are used for flattening the four corners of a membrane switch on the placing plates, and the stretching pieces are used for stretching the four corners of the membrane switch on the placing plates. The mounting base is provided with a taking part, the feeding table is symmetrically provided with blowing parts, the taking part and the blowing parts are arranged in a linkage mode, and when the taking part grabs the membrane switch and places the membrane switch on the placing plate, the taking part is driven by the blowing parts to blow the membrane switch. And synchronously triggering the blowing part to carry out static electricity removal and dust removal treatment on the currently grabbed membrane switch. The flattening and stretching part is matched with the driving assembly, the four corners of the membrane switch are pressed downwards and stretched in the opposite direction, the membrane switch is evenly stressed on the containing plate, surface wrinkles of the membrane switch are eliminated, and position deviation of the membrane switch in the conveying and feeding process is avoided.

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 invention discloses a terahertz MEMS composite membrane switch based on a glass substrate, and belongs to the field of terahertz wireless communication equipment. The MEMS switch is of a three-dimensional structure and sequentially comprises a metal ground, a glass substrate, a coplanar waveguide signal transmission line, a silicon nitride dielectric layer and an MEMS composite film from bottom to top. The MEMS composite film is equivalent to a clamped beam structure, and an anchor area of the MEMS composite film is connected with a signal ground of the CPW; the composite film is composed of a gold film and a silicon dioxide film, the composite film, a silicon nitride dielectric layer below and a CPW signal line form a parallel plate capacitor, bias voltage is loaded through a direct-current voltage signal transmission line connected with an anchor area, the height of the MEMS composite film is changed, then the plate capacitance value is changed, and switching between the on state and the off state of a transmission signal is achieved. The MEMS switch of the composite film has the advantages of low insertion loss and high isolation in terahertz frequency band application, and can be applied to radio frequency devices such as phase shifters, attenuators, reconfigurable filters and the like.

The invention relates to the technical field of new energy automobile related equipment manufacturing, and discloses a membrane switch pressure detection device which comprises a detection table, the middle of the detection table is fixedly connected with a top plate through two connecting columns, a bidirectional lead screw is installed between the top plate and the detection table, and the bidirectional lead screw is in transmission connection with a supporting block; the back-off units are symmetrically installed on the two sides of the supporting block, one side of each back-off unit is fixedly connected with a pressure applying assembly, and a driving unit is fixed to the top of each back-off unit; according to the invention, through the synergistic effect of the designed rollback unit and the driving unit, the pressure applying action of the membrane switch can be automatically interrupted, when the membrane switch on the detection table completes preset pressing times, the detection can be automatically stopped, the detection process of other membrane switches on the adjacent station cannot be interfered, and the detection efficiency is improved. Therefore, the batch detection requirement of the new energy automobile membrane switch can be met.

The invention discloses a membrane switch production laser cutting machine convenient to clean, and relates to the technical field of precision machining in electronic manufacturing, the membrane switch production laser cutting machine comprises a laser cutting machine body, and two pairs of hinged supporting arm assemblies are arranged in a cavity area in the middle of a cutting table of the laser cutting machine body; the two pairs of supporting arm assemblies form a foldable rectangular frame through a hinge structure, and each supporting arm assembly comprises a main arm extending in the longitudinal direction. Controllable bending force is synchronously applied to the membrane switch through folding actions of the foldable supporting arms, so that a material is locally slightly bent and deformed, and interlayer adhesive force between a waste material and a finished product material is weakened. And the internal stress of the bent film is redistributed, so that the bonding strength of waste materials at the cutting edge and the substrate is reduced, and the bent film is easier to naturally fall off under gravity or slight vibration, thereby facilitating collection of finished product materials and waste materials after cutting and improving the sanitary environment of a cutting table.

The utility model provides durability test equipment for processing a membrane switch, comprising a test mechanism which comprises a linear slide rail, an electric push rod arranged at the bottom of the linear slide rail, a mounting rack arranged at the bottom of the electric push rod, and a pressing assembly arranged at the bottom of the mounting rack, the pressing assembly comprises a supporting plate arranged at the bottom of the mounting frame, a sliding groove formed in the supporting plate and a lower pressing rod arranged in the sliding groove. When the push-down mechanism is used, after the plurality of push-down rods are clamped in the chutes in the support plate and are in one-to-one correspondence with keys on the membrane switch, the rotary knob is rotated to enable the threaded rod and the push-down rods to be tightened and fixed, the fixed sheet at the bottom of the rotary knob is clamped and fixed with the support plate, and the linear slide rail drives the push-down rods to move to a specified position, so that the push-down rods are fixed. The electric push rod drives the silica gel head at the bottom of the lower pressing rod to carry out pressing durability testing on the key, and the testing device can adapt to testing of membrane switches with different key numbers and intervals.

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 application relates to the technical field of micro electro mechanical system (MEMS), and particularly relates to a MEMS switch and a preparation method thereof, wherein the MEMS switch comprises a support structure layer and an encapsulation structure; a cavity is released on the support structure layer, and a matching thin film and a static area are formed; the encapsulation structure and the support structure layer jointly form an airtight chamber; a piezoelectric actuator comprises a piezoelectric driving electrode and at least one layer of piezoelectric thin film; an electric contact structure comprises a dynamic contact electrode and a static contact electrode arranged in the airtight chamber; the dynamic contact electrode is arranged on the piezoelectric actuator, and the static contact electrode is arranged towards the dynamic contact electrode and fixedly arranged. The piezoelectric actuator and the dynamic contact electrode are directly prepared on a wafer base, and the static contact electrode opposite to the dynamic contact electrode is fixedly arranged in the encapsulation structure; by applying a forward voltage difference or a reverse voltage difference to the piezoelectric actuator, the on-off of the electric contact structure is realized, and the overall structure is simple and controllable.

The utility model relates to the technical field of electronic switches, in particular to a membrane switch with good sealing performance. Comprising a bottom plate and a sealing mechanism, the sealing mechanism comprises a mounting table, a membrane switch body, a waterproof table, a sealing cover, a drying device and a fixing device, the membrane switch body is directly arranged in a rectangular groove in the top of the mounting table during mounting, and a cable hole is vertically formed in the rectangular groove in the top of the mounting table, so that working cables of the membrane switch body are conveniently arranged; after the membrane switch body is installed, the sealing cover can be directly installed, under the cooperation of the waterproof platform, external water entering the interior can be reduced, the safety is improved, the drying device is used for drying water mist entering the interior from the cable hole, the protection effect is further improved, long-time use of the switch is facilitated, and the service life of the switch is prolonged. Therefore, the waterproof performance of the switch can be improved during use, and the switch can be stably used for a long time.

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 utility model discloses a mining attitude instrument which comprises a box body, an inclinometer assembly, a PCB (Printed Circuit Board) assembly, a gyroscope assembly, a rotary table part, a display module, a cross laser mark and a storage battery, the box body comprises a base and a box cover; an inclinometer assembly, a rotary table component and a storage battery are sequentially arranged on the base from left to right; the rotary table component comprises a rotary table base assembly, a worm and gear mechanism, a travel switch and a stepping motor. The PCB assembly comprises a main control board and a multifunctional board; a display module is arranged on the inner wall of the front side of the box cover, a cross-shaped laser mark is arranged on the upper portion of the right side wall, and a membrane switch is arranged on the outer wall of the front side of the box cover corresponding to the display module. By adopting the combination of the optical fiber gyroscope and the inclinometer, the size and the weight of the north seeker are reduced, the cost is reduced, and the north seeker can quickly seek north; by arranging the rotary table component, the optical fiber gyroscope can be driven to rotate to different positions; and through the arrangement of the cross cursor, hole alignment is facilitated.

The invention discloses a membrane switch performance detection method and system, relates to the technical field of performance detection, and solves the technical problems that characteristics of different types of membrane switches are difficult to consider, a finer detection evaluation scheme is set for a specific type of membrane switch, and comprehensive performance of various membrane switches is difficult to accurately analyze. By setting different temperature change rates, the working state of the membrane switch in an extreme or complex environment can be simulated. The temperature distribution uniformity of the surface of the switch can be visually displayed by detecting the infrared image, a local overheating or poor heat dissipation area is revealed, and the performance of the membrane switch can be conveniently detected from multiple dimensions by combining operation data. The PET-based resistor temperature drift stability and the FPC-based microcircuit impedance stability are analyzed, the degradation coefficient and the temperature performance evaluation coefficient are combined, comprehensive performance evaluation is carried out, and the reliability of different types of membrane switches is quantified.

The utility model discloses a membrane switch elastic piece attaching jig, and relates to the technical field of membrane switch production auxiliary equipment. Comprising a pressing plate and a blocking piece. A limiting groove matched with the appearance of a product is formed in the bottom of the material pressing plate, a plurality of first through holes are formed in the material pressing plate in the thickness direction of the material pressing plate, and the positions of the first through holes correspond to the assembling positions of elastic pieces of the product; a second through hole is transversely formed in one side of the material pressing plate, and the first through hole is communicated with the second through hole; the blocking piece comprises inserting rods which are matched with the second through holes and are suitable for being inserted into the second through holes, and a first connecting rod for connecting the inserting rods; according to the technical scheme provided by the invention, the assembly of the elastic sheet can be quickly completed, so that the assembly efficiency is improved, and the working efficiency is improved.

The present invention relates to the technical field of thin-film switch processing equipment, and discloses a convex pressing machine for thin-film switches, which includes a machine body, a workbench and a lower die base. The lower die base is fixed at the center position of the top of the workbench, and an upper die base is arranged directly above the lower die base. The workbench is fixed on the machine body. It also includes: two sets of brackets symmetrically fixed on both sides of the lower die base. A conveying unit for conveying the thin-film switch is arranged between the two sets of brackets. A transfer unit is installed on the side of the bracket away from the lower die base. The output end of the transfer unit is fixedly connected with two sets of material taking units. Through the designed conveying unit, two sets of material taking units and the transfer unit, the present invention realizes the effect of automatically picking and placing the thin-film switch before and after processing, enables the feeding and unloading of the thin-film switch to be synchronized. Compared with the existing convex pressing machine for thin-film switches that uses a manual method for material taking, the automation degree is higher, and the working efficiency of the convex pressing machine for thin-film switches is improved.

The utility model discloses an impact-resistant membrane switch, and relates to the technical field of membrane switches. Comprising a base shell, the base shell comprises a bottom shell and a panel which are connected in an overlapped mode, and mounting lugs are arranged on the base shell; a control main board, a plurality of electrode discs and a thin film sensor are arranged in the accommodating space, the electrode discs are electrically connected with the control main board, and the thin film sensor is arranged on the electrode discs; the pressing assembly comprises a pressing disc, a limiting column, a first wedge-shaped block, a second wedge-shaped block and an elastic piece. A limiting hole is formed in the panel in the thickness direction of the panel, the limiting column is arranged in the limiting hole in a penetrating mode, one end of the limiting column is suitable for abutting against the film sensor, and the multiple first wedge-shaped blocks are arranged around the limiting column at equal angles; a limiting groove is formed in the panel, and the second wedge-shaped block is arranged in the limiting groove in a sliding mode; according to the technical scheme provided by the invention, a sufficient beating feedback feeling can be provided for a user, so that the use experience feeling of the user is effectively improved.

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.

The present invention discloses an assembly device for a micro-touch membrane switch, comprising a machine platform, wherein a first conveying channel is arranged on the upper side of the machine platform along the X-axis direction, a base material belt is arranged on the upper side of the first conveying channel, a reed assembly mechanism is arranged on the adjacent side of the front end of the first conveying channel, a positioning frame retracting and unreeling mechanism for conveying the positioning frame material belt along the Y-axis direction is arranged on one side of the reed assembly mechanism, a positioning frame material belt is arranged inside the positioning frame retracting and unreeling mechanism, a punching mechanism is arranged at the intersection of the positioning frame material belt and the base material belt, and a laser welding mechanism, a laser cutting mechanism and a positioning frame disassembly mechanism are arranged in sequence at the rear end of the first conveying channel. The present invention realizes the stable assembly welding and reinforcement function of the product by designing a set of assembly laser welding and laser cutting product processes with the positioning frame as the core. The various functional indicators of the product project fully meet customer requirements and realize large-scale automated production.

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.

Control unit (100) for a chassis technology element of a road vehicle, comprising: a signaling device (140) arranged on a user interface of the control part (100) to provide, in particular, a warning, and / or a signal, and / or an operating state of the chassis technology element; at least one electrical membrane switch (110, 120, 130) for controlling the chassis technology element, wherein the electrical membrane switch (110, 120, 130) is configured to be actuated on the user interface; and wherein the operating part (100) is arranged to be mechanically coupled to a surface of the road vehicle.

The invention discloses a convenient-to-position laser cutting device for thin-film switch processing, and relates to the technical field of thin-film switches, the convenient-to-position laser cutting device for thin-film switch processing comprises a supporting unit, a laser cutting unit and a laser cutting unit, and the positioning and fixing unit comprises a fixing assembly arranged on the operation table and used for limiting the membrane switch, a positioning assembly arranged at the top of the fixing assembly and used for guaranteeing the stability of the membrane switch in the cutting process, and a driving assembly used for driving the fixing assembly and the positioning assembly. The membrane switch is placed on the fixing assembly, the driving assembly is started immediately, the position of the fixing assembly is rapidly adjusted, the driving assembly drives the positioning assembly to turn over the membrane switch at the same time for further fixing, the membrane switch is effectively prevented from moving during cutting, and the fixing assembly fixes the membrane switch in a rolling extrusion mode. The thin film damage caused by direct extrusion of a traditional clamp is avoided, and the problems that in the prior art, positioning is not stable, damage is prone to occurring, and clamping force is difficult to control are solved.

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 relates to the technical field of membrane switches, and discloses a membrane switch with an LED screen, which comprises a circuit layer assembly, and a surface layer assembly is arranged at the upper part of the circuit layer assembly. LED lamp beads are arranged in the light transmitting layer, the upper portion of the reflecting layer is arranged on the lower portion of the light transmitting layer, the identification groove is formed in the left side of the light shielding layer, the lower portion of the light shielding layer is arranged on the upper portion of the light transmitting layer, and a light transmitting film is arranged in the identification groove. According to the membrane switch with the LED screen, the identification grooves are grooves with the shapes of various characters, the other parts of the shading layer except the identification grooves are all made of light-proof colors or materials, the LED lamp plants are used for emitting light, the reflecting layer is used for reflecting light, and when the light penetrates through the grooves, the light is brighter, so that the light intensity is improved, and the service life of the membrane switch is prolonged. Therefore, a user can clearly see the meaning of the character represented by the identification slot in a dark environment and can clearly know the function of the switch corresponding to the identification slot.

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.

The present application discloses an automated performance detection method, detection device and system for a membrane switch, relating to the technical field of electrical appliance testing. The automated performance detection method for the membrane switch includes: forming a usage database based on multiple usage parameters of the membrane switch; obtaining a first pressure parameter range based on the usage database; generating test parameters based on the first pressure parameter range; testing the membrane switch based on the test parameters to obtain a test result; and generating a performance index based on the test result. By randomly generating test parameters with different combinations of pressing parameters, the present application simulates the situation where an operator presses the membrane switch in a real scenario, thereby improving the authenticity of the automated performance detection result.

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 a keyboard structure combining a membrane switch and a backlight module, which belongs to the technical field of keyboards and sequentially comprises a keycap, a scissor type support frame, a support plate, a shading layer, a light guide layer, an elastic piece, an upper circuit layer, a middle interlayer, a lower circuit and a light source layer. Wherein the lower circuit layer is formed by integrating a traditional lamp panel, a reflecting layer and a keyboard lower circuit layer into one layer; wherein the lower circuit and light source layer and each key position are at least connected with zero to a plurality of light-emitting LEDs, the LEDs transmit light to the light guide layer through the middle interlayer and the upper circuit layer, the light guide layer emits the light to the key caps through reflection and refraction microstructures on the light guide layer, and therefore the backlight effect is achieved; the substrate of the lower circuit layer and the light source layer is a plastic film or an imide film or a metal plate or a composite structure of the plastic film and a metal film. According to the keyboard structure combining the membrane switch and the backlight module, the backlight keyboard can be thinned, the weight of the keyboard is reduced, and the endurance of a computer is improved.