173results about How to "Effective isolation" patented technology

The utility model relates to a flexible flame-retardant indoor photoelectric composite cable with a multilayer composite compression-resistant structure, which comprises a central supporting unit, a cable core assembly, a composite reinforcing layer, a flame-retardant layer and an outer sheath which are sequentially arranged from inside to outside, the adjacent elastic rods are bonded through hot melting to form a 90-degree orthogonal supporting structure, the cable core assembly comprises optical fiber units and power conductors which are symmetrically distributed in four quadrants of a central supporting unit, one optical fiber unit and one power conductor are arranged in each quadrant, and the four macromolecule elastic rods arranged in a cross shape form a supporting framework. A stable internal supporting structure is provided for the whole optical cable, it is ensured that the optical cable structure is not prone to deformation in a complex environment, the section of the macromolecule elastic rod is fan-shaped, the containing groove is filled with thixotropic silica gel, the buffering and damping effect is further enhanced, internal assemblies can be better protected, and the optical cable is suitable for different installation and use environments.

This utility model discloses a tunnel fire-fighting foam liquid filling system, belonging to the field of fire-fighting equipment technology. It includes several fire boxes, a foam liquid filling vehicle, and a monitoring center. Both the fire boxes and the foam liquid filling vehicle are networked with the monitoring center to achieve data exchange. Specifically, each fire box contains a foam liquid storage tank and a first control device. The foam liquid storage tank is equipped with a first liquid level sensor, a solenoid valve, a variable frequency delivery pump, and a first flow meter. A flow regulating valve and a second flow meter are installed on the pressure water pipe. All components are connected to the first control device. The foam liquid filling vehicle contains a foam liquid storage tank, a variable frequency high-pressure pump, a battery, a third flow meter, and a second control device. Both the first and second control devices are connected to the monitoring center. This utility model provides a highly efficient, intelligent, and easy-to-maintain tunnel fire-fighting foam liquid filling system.

This invention discloses a high salt spray resistant stainless steel material and its preparation method, relating to the field of metal materials technology. In preparing the high salt spray resistant stainless steel material, the present invention involves weighing raw materials including Cr, Ni, Al, Si, Mn, Mo, Nb, C, Zr, Ti, and Fe according to specific mass percentages, and obtaining an alloy ingot through melting and casting; subjecting the alloy ingot to homogenization heat treatment and forging to obtain a stainless steel matrix; using the stainless steel matrix as the working electrode, surface modification is performed through cathodic polarization treatment in an electrolyte containing amidated carbon nanotube-boron nitride composite filler, thereby obtaining the high salt spray resistant stainless steel material. The high salt spray resistant stainless steel material prepared by this invention exhibits excellent salt spray corrosion resistance.

This invention discloses an internal bore measuring machine, including a base, a seat, and a top steel plate covering the seat; a transition roller track, including a roller assembly and a gantry frame; a positioning device, including a frame, a top plate, a lifting cylinder; a rear inspection mechanism, including a fixed frame, a transverse movement mechanism and a transverse linear slide rail mounted on the fixed frame, a reciprocating measuring mechanism mounted on the transverse movement mechanism; a control cabinet with a built-in PLC as the main controller; a cantilever operation box assembly is provided on one side of the control cabinet, the cantilever operation box assembly including a cantilever, an operation box, and an enclosure assembly consisting of a front enclosure and two side enclosures respectively placed on both sides of the front enclosure, with a U-shaped cross-section, placed on the base and with the U-shaped opening fastened to the control cabinet, enclosing the positioning device and the gantry frame. This invention solves the problems of poor coordination of existing automatic detection and conveying, low efficiency of step-by-step detection, and insufficient rigidity.

The application relates to a self-adaptive self-powered flexible sensing device based on triboelectricity and a preparation method thereof, which comprises a flexible device, a charging module and a single-chip circuit board; the flexible device comprises, from top to bottom, a triboelectric layer, an insulating layer, a potential layer and a battery layer; the triboelectric layer is connected with the charging module, the charging module is connected with the battery layer, and the battery layer is connected with the single-chip circuit board. The system collects signals of multiple electrode ports through a single-chip microcomputer and transmits the signals to a mobile phone or a computer terminal through Bluetooth wireless transmission, so that the convenience and expansibility of data acquisition are improved, and real-time monitoring and remote interaction application can be constructed.

The copper wire processing anti-oxidation device with the nitrogen protection function comprises a machine body and a gas conveying pipe, a gas inlet pipe is arranged in the outer wall of the left end of the machine body, nitrogen is conveyed into the machine body, and a sucking pump is arranged on the inner wall of the lower end of the machine body so that the nitrogen in the machine body can be discharged outwards through the gas conveying pipe. A plurality of heating pipes are arranged in the machine body, heating wires are arranged in the heating pipes, by installing the heating wires and the heating pipes, after the heating wires are electrified, the heating pipes can be heated, the temperature of nitrogen in the machine body is increased, and the heated nitrogen can more effectively isolate oxygen and prevent copper wires from being oxidized; the high-quality performance of the copper wire in the machining process is ensured, the situation that the temperature difference between nitrogen and air in the copper wire machining environment is large is avoided, machining is conducted at the proper temperature, the conductivity of the copper wire can be kept or improved, and the reliability of a final product is ensured.

The utility model relates to the technical field of medicine spraying machine, concretely to a kind of spraying protective device of agricultural self-propelled medicine spraying machine, including medicine spraying machine equipment, the medicine spraying machine equipment includes rack, control box, medicine box, spraying system and self-propelled mechanism, and the self-propelled mechanism one side and the top inner wall of rack are fixedly installed with protection assembly between, and protection assembly includes the protection top plate fixedly installed in the top inner wall of rack and the L type side guard board fixedly installed in the one side outer wall of self-propelled mechanism, the both ends of L type side guard board are all set up with telescopic slot of L type, and the inner wall of telescopic slot is all inserted with telescopic plate;The utility model forms relatively closed spraying space, effectively blocks the medicine sprayed to adjacent area diffusion, effectively isolates spraying system and self-propelled mechanism simultaneously, reduces the possibility that medicine enters self-propelled mechanism inside, prolongs overall service life, also can flexibly adjust the extension length of telescopic plate according to actual medicine spraying operation needs, changes protection range.

The utility model provides a kind of electric vehicle charging parking place, comprising: parking platform, fireproof barrier, suspension type automatic fire extinguisher and charging platform, fireproof barrier is installed between two adjacent parking spaces, and several groups of temperature sensing alarm system are installed on charging platform, and fireproof barrier can be inserted type fireproof partition, telescopic fireproof partition, slide rail type fireproof barrier or suspension type fireproof barrier among them.The utility model is isolated by setting fireproof barrier, the vehicle of ignition and surrounding unburning area physically, can block fire, fundamentally interrupt the diffusion path of heat and flame, reduce the risk of fire spread.By using suspension type automatic fire extinguisher, fire can be quickly responded, and the vehicle of ignition is extinguished in time.By using suspension type automatic fire extinguisher and fireproof barrier in cooperation, using the strategy of first fire isolation, then extinguishing, fire source can be accurately controlled, and fire is isolated, effectively avoid that extinguishing agent large-area diffusion causes secondary damage to surrounding equipment and environment.

The utility model provides a kind of ball valve core clamping machining equipment, it includes machine table, punching device, splash-proof device and clamping device;The punching device is located on the machine table;The splash-proof device includes base and splash-proof cover, the machine table is on the base, the splash-proof cover is hinged with the base, first space is formed between the splash-proof cover and the base;Opening for the machining end of punching device is equipped on the splash-proof cover;The clamping device includes first drive block, shell member and multiple clamping units arranged in the shell member interior;Multiple guide slots are formed on the shell member;Each clamping unit has a terminal portion for performing clamping action, and the terminal portion extends through a guide slot correspondingly;Multiple clamping units act in concert to clamp ball valve core.The utility model solves the problem that the clamping force of traditional equipment depends on manual adjustment and is limited in adaptability.

The application discloses a domain name resolution method and device based on domain name request risk management and control, the method comprises the following steps: identifying domain name requests as normal domain name requests or abnormal domain name requests; according to the user domain name access behavior data set and the abnormal domain name association strength, evaluating the security rating and the security score of the user; sending the normal domain name requests initiated by users with different security ratings to the DNS server subset cluster corresponding to their levels, so that the DNS server subset cluster of the level responds to the normal domain name requests in order based on the security score; predicting the normal domain names with high probability of access to form a domain name resource list, which is used to cache the domain name resource list to the selected DNS server when the security rating of the user is higher than the set threshold, so as to improve the domain name resolution cache hit rate and the resolution efficiency. The application solves the problem of reduced performance of the domain name server caused by the low utilization rate of the conventional DNS server due to the zombie network attack.

The invention discloses a guide plate and a chain saw, relates to the technical field of chain saws, and aims to solve the problems of non-uniform distribution of lubricating oil and waste of the lubricating oil. The guide plate comprises an inner plate and two outer plates. The inner plate and the outer plate define a lubricating flow channel network, and the lubricating flow channel network comprises a main oil channel, a plurality of branch oil channels communicated with the main oil channel and a head oil outlet hole; the head oil outlet hole is used for allowing lubricating oil in the main oil duct to flow to the head area of the guide plate, and the multiple branch oil ducts extend to the guide plate groove and form multiple side oil outlets. A first oil inlet and a second oil inlet which are communicated with the main oil duct are formed in the tail part of the guide plate; the first oil inlet and the second oil inlet are both communicated with the main oil duct; a first groove hole capable of being matched with the axial moving tensioning pin is formed in the tail of the guide plate, and when the tensioning pin moves forwards to the working position, a rod body of the tensioning pin abuts against and blocks the second oil inlet. The guide plate and the chain saw provided by the invention are used for ensuring uniform distribution of lubricating oil and reducing escape of the lubricating oil, so that the lubricating oil is saved and the lubricating reliability is improved.

The utility model discloses a support for a toy combustion test device and the toy combustion test device, and belongs to the technical field of toy detection equipment. In a toy combustion test, the position and the angle of a toy to be tested are difficult to flexibly and accurately adjust by the existing bracket, and the existing bracket and the existing clamp only can clamp in parallel due to various sizes and shapes of plush toys, so that the multi-angle combustion test requirement cannot be met. The support comprises a mounting base plate, a Y-axis guide rail, a Z-axis guide rail, a horizontal supporting assembly, an oblique angle supporting assembly and the like. The Y-axis guide rail and the Z-axis guide rail can achieve sliding of the sliding block and are matched with the lead screw and the driving motor to conduct accurate position adjustment. The horizontal supporting assembly and the oblique angle supporting assembly are provided with linear guide rails and clamps, and the clamping requirements of toys with different sizes and special shapes can be met. The test device comprises a test box body, a smoke exhaust channel, a combustion spray gun, a bracket and the like, is mainly used for a toy combustion test, and provides stable and flexible support and a good test environment for the test.

The invention relates to the field of energy storage power station control, and particularly discloses a layered distributed emergency stop control system of an energy storage power station, which comprises a local emergency stop control unit used for executing shutdown control of at least part of equipment in the energy storage power station; the regional emergency stop control unit is associated with all local emergency stop control units in a regional coverage range and is used for executing shutdown control of equipment in the regional coverage range in the energy storage power station; and the station end scram control unit is associated with the all-region scram control unit and is used for executing all-region shutdown control of the energy storage power station through the station end controller when the station end scram button is triggered. According to the technical scheme provided by the invention, through the arrangement of the regionalized distributed layered emergency stop control units, the reliability risk that the existing emergency stop control system is easily influenced by the single-point fault of the central controller is avoided, and the omnibearing precise shutdown control and local isolation protection of the energy storage power station are realized.

The utility model relates to the technical field of medical detection experiment appliances, and discloses a medical detection reagent dissolving device which comprises a dissolving barrel, a sealing cover is detachably connected to the upper end of the dissolving barrel, a motor is fixedly connected to the sealing cover, the output end of the motor penetrates through the sealing cover and is connected with a stirring frame, and a butt joint cover is fixedly connected to the lower end of the dissolving barrel. The lower end of the butt joint cover is detachably connected with a collecting barrel, a connecting column is connected in the collecting barrel in an up-down sliding mode, the upper end of the connecting column is fixedly connected with a plugging disc, the lower end of the connecting column is fixedly connected with a butt joint disc, the upper end of the collecting barrel is provided with a plurality of flow guide holes, the plugging disc is matched with the flow guide holes, and the inner wall of the dissolving barrel is provided with a conical surface and an arc-shaped surface. According to the utility model, the dead angle of the cavity is eliminated, the residual reagent hanging on the wall is reduced, the arc-shaped surface is matched with the annular stirring frame to form a vortex region, the uniformity of reagent dissolution is improved, and the problem of poor dissolution effect of the existing device is solved.

The utility model relates to the technical field of automobile machining, in particular to a drawing forming die for automobile chassis parts. Comprising a supporting frame and a base, an upward pushing air cylinder is fixedly installed on the base, a lower die plate is fixedly installed at the output end of the upward pushing air cylinder, a lower male die is arranged on the lower die plate, a blank holder is arranged at the relative position over the lower die plate, an upper die plate is arranged at the relative position over the blank holder, an upper female die is arranged on the upper die plate, and a cutter outlet groove is formed in the upper die plate. The output end of a downward pressing air cylinder is fixedly installed on the top face of the upper die plate, a cutter plate is arranged at the opposite position over the upper die plate, and a cutter is arranged below the cutter plate. According to the die, vertical cutting can be directly carried out after drawing forming. Full automation is achieved, production efficiency is improved, meanwhile, scrap iron splashing in the cutting process can be effectively prevented, then the scrap iron is collected, and operators can be protected.

The invention discloses a color-developable waterborne polyurethane dust suppressant and a preparation method thereof, and belongs to the technical field of dust suppressant preparation, the color-developable waterborne polyurethane dust suppressant comprises the following components by weight: 5-20 parts of waterborne polyurethane, 1-10 parts of latex powder, 0.5-5 parts of organic wax, 0.5-5 parts of color paste, 0.5-3 parts of paper pulp, 0.5-3 parts of a thickener, 0.1-0.5 part of an auxiliary agent, 5-10 parts of a film forming auxiliary agent, and 70-90 parts of water. According to the dust suppressant, waterborne polyurethane serves as a film forming substance and can be combined with coal particles to form a film layer of 1 mm-2 mm, a formed cured film is high in strength, good in toughness and high in adhesive force, pulverized coal particles can be effectively isolated, wind and rain erosion can be resisted, the dust suppression period is long, certain hydrophobicity is achieved, the dust suppressant is not prone to being washed away, the service life is greatly prolonged, and the dust suppressant is suitable for being popularized and used. And the dust suppressant takes water as a dispersion medium, the VOC content is extremely low, the selected coloring agent is environment-friendly, no pollution is caused to soil and underground water, and the development direction of green chemistry is met.

The utility model discloses a kind of yellow water filtering assembly for yellow water tank, including brewing mechanism, the inside of brewing mechanism is equipped with multiple separation filtering mechanism, brewing mechanism includes yellow water tank body, the inside of yellow water tank body bottom end is rotatably connected with transmission shaft, the outside of transmission shaft upper end is equipped with jacking disc, the both sides of jacking disc are slidably connected with guide vertical bar, the upper end of two guide vertical bars is equipped with a sealed partition seat;Separation filtering mechanism includes protective frame, the inside of protective frame is equipped with filter cover, the inside of filter cover bottom end is slidably connected with slide base, the inside of slide base is equipped with multiple guide vane, the side of each guide vane is equipped with multiple guide holes, the inside of slide base bottom end is equipped with filter filling block.The utility model is by in the process of yellow water leakage and carries out gas injection, effectively isolates yellow water and air, keeps the stability of yellow water collection and storage;While it is convenient to carry out reverse flushing when yellow water filters, improve filtering effect.

The application discloses an assembled road construction noise-reducing and carbon-reducing isolation device, and particularly relates to the technical field of road construction. The isolation device comprises a plurality of parallel and opposite unit components. The unit component at least comprises an isolation wall body, a first tooth-shaped frame, a second tooth-shaped frame and an arc-shaped top. The isolation wall body, the first tooth-shaped frame and the second tooth-shaped frame are vertically arranged. The first tooth-shaped frame and the second tooth-shaped frame are respectively arranged on the two sides of the isolation wall body. The arc-shaped top horizontally spans the opposite isolation wall body, the first tooth-shaped frame and the second tooth-shaped frame. The arc-shaped top is a hollow structure. The adjacent unit components are connected through a connecting structure to form a closed space. A treatment structure is arranged on the inner top of the isolation device. The application adopts a closed structure design to effectively isolate the construction noise and the construction dust. The application is suitable for road construction of different areas and has strong practicability.

This invention discloses an infusion device for bone marrow aspiration, belonging to the field of medical device technology. The invention includes a base, a counterweight, and an infusion assembly. The key features are: the base contains multiple pressure sensing mechanisms, a balancing and stabilizing mechanism, and a protective mechanism. The pressure sensing mechanism includes a pressure groove and a sensing piston, connected to a large air reservoir and a small air reservoir; the balancing and stabilizing mechanism includes a balancing groove, a moving slider, a telescopic spring, a stabilizing plate, and a lifting piston. The lifting piston is connected to the moving slider via a traction line, and the small air reservoir is connected to a limiting cavity via an air inlet pipe; the protective mechanism includes a fixed support, a rotating shaft, a protective cloth, and a reinforcing rope. The large air reservoir is connected to an adjusting cavity, and the adjusting piston is driven by the rotating shaft; the rotating shaft is also connected to a limiting assembly for controlling the extension length of the stabilizing plate. This invention achieves dynamic stabilization, intelligent protection, and coordinated adjustment through pneumatic linkage, effectively preventing needle displacement and ensuring infusion safety.

The utility model belongs to the technical field of high performance liquid chromatographs, and discloses a high performance liquid mobile phase inlet filter protection device which comprises a solvent bottle cap, a straight triangular prism protection sleeve arranged below the solvent bottle cap, and an upper cover arranged outside the straight triangular prism protection sleeve through a hinge, the straight triangular prism protective sleeve and the upper cover are both made of transparent acrylic materials, through the design of the straight triangular prism protective sleeve and the upper cover, when a mobile phase needs to be added or replaced, an operator opens the upper cover and holds the solvent bottle cover by hand to enable the inlet filter to be aligned with the opening and stably insert the solvent bottle cover, and in the process, the solvent bottle cover is opened. The high-performance liquid phase inlet pipe and the inlet filter are always located in a closed space of the straight triangular prism protective sleeve, the protective sleeve effectively isolates dust, particles and other pollutants in the external environment, a physical barrier is formed, the risk that the filter is polluted is greatly reduced, and therefore the cleanliness of the filter is guaranteed, and the service life of the filter is prolonged. The stability of an instrument sampling system and the accuracy of an analysis result are maintained.

The invention discloses an injection molding system and method based on magnetic field assistance. The injection molding system comprises an injection molding machine and an injection mold installed on the injection molding machine. The injection molding machine comprises a machine tool fixed plate, a machine tool movable plate and a plurality of machine tool guide rods; the machine tool guide rod is sequentially arranged among the machine tool fixed plate, the injection mold and the machine tool movable plate in a penetrating manner; the injection mold is internally provided with at least two cavities, each cavity is used for forming a corresponding product contour, the injection mold is internally provided with a plurality of magnetic conductive parts and non-magnetic conductive parts, the magnetic conductive parts are in butt joint with the machine tool fixed plate side or the machine tool movable plate side to form a magnetic circuit, and the non-magnetic conductive parts are in butt joint with the machine tool fixed plate side or the machine tool movable plate side. The non-magnetic components are used for isolating adjacent magnetic circuits and preventing short circuit of the magnetic circuits; and one or more magnetic circuits jointly defined by the magnetic conductive component and the non-magnetic conductive component pass through the cavity in a concentrated manner.

This utility model belongs to the field of kitchenware manufacturing, specifically a sealing device for cast iron woks. It includes a main body with a movable module inside, a heating module above the movable module, a limiting module on the right side of the heating module, and a striking module on the right side of the limiting module. The striking module includes a fixed plate, a limiting block, an electric rotating shaft, an extension arm, a wear-resistant pad, a vibration motor, and a striking hammer. The limiting block is installed on the left side of the fixed plate, and an electric rotating shaft is located inside the limiting block. An extension arm is installed on the left side of the electric rotating shaft, and a wear-resistant pad is adhered to the end of the extension arm. This utility model provides more uniform force and a faster striking frequency when sealing the edge of the wok, effectively reducing the labor intensity of operators. It is adjustable and can seal woks of different sizes. It also has a heat insulation effect, effectively isolating heat and reducing safety hazards.

The application discloses a robot joint protection assembly based on a foamed aluminum buffer structure and relates to the technical field of robot protection.The device ingeniously introduces passive active heat dissipation (energy-saving and high-efficiency) without additional fans or power driving, skillfully converts the motion kinetic energy of the robot into wind pressure, realizes intelligent heat management of 'heat dissipation during work and air suction during stop', effectively reduces the motor temperature, significantly prolongs the service life, and is mechanically self-cleaning and low in maintenance cost: aiming at the pain point of dust in industrial environment, full-automatic dust scraping and centrifugal dust removal are realized by using a pure mechanical structure, which not only eliminates secondary pollution caused by dust falling back, but also avoids the trouble of artificial regular disassembly and cleaning, and greatly reduces the later operation and maintenance cost.

The utility model provides a kind of explosion-proof and leakage-proof shell structure of solid capacitor, including shell, shell includes lower shell and upper shell, the bottom of lower shell is provided with the base that is outwardly convex, for stabilizing shell, the outer side of lower shell is fixedly connected with protective strip, lower shell bottom upper end surface is provided with pin protection sleeve, the top inner wall of lower shell is fixedly connected with inboard edge strip, the upper end surface of inboard edge strip is provided with guide hole, the lower end surface of upper shell is fixedly connected with guide column;Lower shell is provided with mounting assembly inside, for installing solid capacitor.The utility model sets up heat dissipation hole on upper shell, cooperate lower shell heat dissipation cavity, heat is dissipated immediately, prevent the risk of bulging and explosion caused by internal pressure sudden rise;Lower shell bottom is provided with pin protection sleeve, positive and negative pole pin is inserted into protection sleeve, avoid pin skew, misplacement, while pin protection sleeve provides external support for pin, prevent pin from shaking after welding.

The invention discloses a wound dressing with a one-way seepage discharge function, which comprises an inner-layer nanofiber membrane, a middle-layer nanofiber membrane and an outer-layer nanofiber membrane, and the inner-layer nanofiber membrane, the middle-layer nanofiber membrane and the outer-layer nanofiber membrane are all prepared through electrostatic spinning. The inner-layer nanofiber membrane comprises the following raw materials: polyurethane, tetrahydrofuran and N, N-dimethylformamide, the middle-layer nanofiber membrane comprises the following raw materials: polyurethane, polyacrylonitrile, N, N-dimethylformamide and sodium polyacrylate, and the outer-layer nanofiber membrane comprises the following raw materials: N, N-dimethylformamide, polyacrylonitrile and sodium polyacrylate. According to the wound dressing with the one-way seepage discharging function, excessive seepage at the wound is effectively guided out and removed, a microenvironment with appropriate humidity can be kept for the wound, secondary infection of the wound is avoided, and wound healing is promoted. The invention further provides a preparation method of the wound dressing with the one-way seepage discharge function.

The utility model relates to a power cabinet and a converter, and relates to the technical field of power electronics. The power cabinet comprises a cabinet body provided with a mounting cavity; the plurality of mounting frames are arranged in sequence and are mounted in the mounting cavity; the guide parts are arranged on the mounting frames, and the extension direction of the guide parts intersects with the arrangement direction of the mounting frames; and the isolation piece is positioned between the two adjacent mounting frames and is in sliding fit with the guide piece. The separator can be slidably connected to the mounting frame along the guide part, and front mounting and fixing of the separator are realized, so that side mounting of an existing separator and space limitation of the separator are avoided. Moreover, through the accurate cooperation of the guide piece and the installation frame, the isolation piece can be stably fixed at a proper position, the effective isolation between the modules in the adjacent installation frames is ensured, the influence of the failure of a certain module on the adjacent modules is reduced, the fault diffusion is prevented, and the reliability of the system is improved.

The invention relates to the technical field of film capacitors, in particular to a metalized electrode structure of a film capacitor, which comprises a dielectric film and a metalized layer arranged on the surface of the dielectric film, the metalized layer comprises a grid area, an edge thickening area and a connecting bridge, the edge thickening area is arranged on the edge of the dielectric film, and the connecting bridge is arranged on the edge thickening area. The grid area comprises an inner-ring grid and an outer-ring grid, the aperture of the inner-ring grid is D1, the aperture of the outer-ring grid is D2, D1 and D2 meet the following relation: D1 is less than D2, the grid area is composed of a plurality of staggered metal strips, the inner-ring grid and the outer-ring grid are connected through a connecting bridge, the edge thickening area is connected with the outer-ring grid through the connecting bridge, the width of each metal strip is 0.1-1mm, and the width of each metal strip is 0.1-1mm. The hole diameter of the grid area ranges from 0.5 mm to 5 mm, the metalized layer is made of aluminum-zinc alloy materials, the thickness of the metalized layer ranges from 20 nm to 100 nm, and the width of the edge thickening area ranges from 2 mm to 5 mm. The technical problems that an existing thin film capacitor is poor in voltage endurance capability, heat dissipation performance and mechanical stability and large in preparation difficulty are solved.

The utility model discloses a box type inner floating disc for storage tank relates to box type inner floating disc for storage tank technical field, including the storage jar, the inner chamber swing joint of storage jar has the floating disc mechanism, the right side lower part fixedly connected with the discharge pipe of storage jar periphery, the right side fixedly connected with the feeding mechanism of storage jar inner chamber. The utility model discloses a box type inner floating disc for storage tank, through the cooperation of feed inlet, spring pipe no.

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 device for leading out a cathode nuclear signal of a proportional counter tube, and belongs to the technical field of nuclear detection. In order to solve the technical problem that the measurement precision is influenced by signal distortion easily caused by leading out nuclear signals from the anode of the existing proportional counter tube, the utility model mainly adopts a mode of leading out nuclear signals from the cathode of the proportional counter tube, and is provided with a first signal joint, a second signal joint, a third signal joint and a metal shielding shell in a matched manner. According to the utility model, complete output and electromagnetic interference suppression of nuclear signals can be realized, and signal quality and device stability are improved.