Patents
Literature
Patsnap Copilot is an intelligent assistant for R&D personnel, combined with Patent DNA, to facilitate innovative research.
Patsnap Copilot

326results about "Winding capacitor machines" patented technology

Novel lightning-stroke protection aluminium electrolytic capacitor and preparation method therefor

ActiveCN107195460AImproving the ability to withstand instantaneous high pressureImprove securityCapacitor housing/encapsulationWinding capacitor machinesLightning strokesEngineering
The invention provides a novel lightning-stroke protection aluminium electrolytic capacitor and a preparation method therefor. A core is immersed with an electrolyte with a break-down voltage of 490V or above; the core is formed by a pieces of positive electrode foil, a piece of negative electrode foil and electrolytic paper in an overlapping and winding manner, wherein the electrolytic paper used as a substrate is arranged on the same sides of the negative electrode foil and the positive electrode foil separately; a positive electrode conductive pin in nail joint with the positive electrode foil and a negative electrode conductive pin in nail joint with the negative electrode foil are arranged in a manner of running through a packaging layer; the electrolytic paper comprises inner layer electrolytic paper and outer layer electrolytic paper; the inner layer electrolytic paper is positioned on the inner side of the corresponding negative electrode foil or positive electrode foil; and the inner layer electrolytic paper and outer layer electrolytic paper are consistent in tightness. The overall voltage withstand capacity of the product is improved effectively, and the instantaneous voltage withstand of the aluminium electrolytic capacitor is improved to 2.2KV; and in addition, the aluminium electrolytic capacitor has high impact resistance, high safety and an effect of ensuring the service life.
Owner:ZHAOQING BERYL ELECTRONICS TECH

Full-automatic nail joint winding machine and element manufacturing method thereof

The invention discloses a full-automatic nail joint winding machine and an element manufacturing method thereof, and particularly relates to the field of mechanical manufacturing for full-automatic manufacture of elements. The full-automatic nail joint winding machine comprises a winding mechanism, a positive nail machine mould mechanism, a positive nail joint mechanism, a negative nail machine mould mechanism, a negative nail joint mechanism, an element winding tape adhesion mechanism and an element returning mechanism, wherein the positive nail machine mould mechanism and the positive nail joint mechanism are arranged on one side of the winding mechanism in sequence; the negative nail machine mould mechanism and the negative nail joint mechanism are arranged on the other side of the winding mechanism in sequence; the element winding tape adhesion mechanism and the element returning mechanism are arranged at the lower end of the winding mechanism in parallel; the positive nail joint mechanism and the negative nail joint mechanism are respectively connected with an eccentric guide pin automatic direction choosing mechanism; all the mechanisms are connected with a control panel circuit. According to the full-automatic nail joint winding machine and the element manufacturing method, the element production efficiency is greatly improved, the rejection rate is reduced and the overlapping degree of aluminum foils with different requirements can be satisfied.
Owner:东莞和宏机械有限公司

Method for producing low leakage winding type solid electrolytic capacitor

The invention provides a method for producing a low leakage winding type solid electrolytic capacitor. The method comprises the following steps: step 1), cutting; and step 2), element preparation: performing formation, drying, pretreatment, monomer impregnation, oxidizer impregnation, polymerization, assembly and aging on a core package; performing formation, and immersing the core package after winding into a formation electrolyte to electrify, wherein the electrifying voltage is the withstand voltage of an anode foil, and the formation electrolyte is the aqueous solution of ammonium dihydrogen phosphate; and performing pretreatment: immersing the core package into a mending agent, drying the core package, and after that, forming a layer of insulating film which is less than or equal to 20nm on an aluminum foil surface. Compared with the previous products, the method of the invention does not require a high temperature of 230 to 300 DEG C after mending an oxide film by a formation process, thus the damage to the oxide film is less; and besides, the pretreatment is added before impregnating the monomer, an ultra-thin insulating film covering the surface of the aluminum foil can be formed, so that the defects of the oxide film can be further reduced, therefore, the leakage of solid electrolytic capacitor products produced by the invention is 20% to 50% smaller than that of ordinary products.
Owner:YIYANG AIHUA FUXIAN ELECTRONICS

Capacitor element winding device and capacitor element winding method

The invention discloses a capacitor element winding device which comprises a first rolling needle shaft, a second rolling needle shaft, a first driving mechanism and a second driving mechanism. The first rolling needle shaft and the second rolling needle shaft are coaxial and are oppositely arranged. The end, close to the second rolling needle shaft, of the first rolling needle shaft is provided with a first rolling needle facing the second rolling needle shaft, the end, close to the first rolling needle shaft, of the second rolling needle shaft is provided with a second rolling needle facing the first rolling needle shaft, and the first rolling needle and the second rolling needle get close to each other and are used for forming a capacitor element in a winding mode. The first driving mechanism drives the first rolling needle shaft and the second rolling needle shaft to rotate synchronously, and the second driving mechanism drives the first rolling needle shaft and the second rolling needle shaft to get close to each other or get away from each other. Capacitor element deformation caused when the capacitor element winding device conduct needle drawing can be avoided, gaps between aluminum foil of the capacitor element are reduced, the quality of a capacitor element product is improved, and material waste is reduced. The invention further relates to a capacitor element winding method.
Owner:SHENZHEN CHENGJIE INTELLIGENT EQUIP CO LTD

Manufacturing method of solid-state electrolytic capacitor

The invention provides a manufacturing method of a solid-state electrolytic capacitor, and relates to the technical field of electrolytic capacitors. The method comprises the following steps: S100, manufacturing an element; S200, at a first impregnation stage, impregnating the element with a forming liquid to repair oxide scales caused by cutting and nail coiling on a front foil surface of the element; S300, at a second impregnation stage, impregnating the element with a conducting polymer dispersion liquid; S400, at a third impregnation stage, impregnating the element with a treatment liquid; and S500, packaging the element undergoing the third impregnation stage into an aluminum shell. Through adoption of the method, the development of the dispersion liquid is effectively avoided; the production period is shortened; and the cost is reduced. The treatment liquid and solid-state electrolytes such as conducting polymers are used together, so that the solid-state electrolytic capacitor having the characteristics of high voltage, high capacity, low impedance, small leakage current and the like is obtained. Meanwhile, the high treatment liquid has a function of facilitating repair of positive electrode foil oxide scale defects, so that the situation of short circuit can be restrained.
Owner:CAPXON ELECTRONIC (SHENZHEN) CO LTD

Electrolytic condenser nail joint coiling high speed machine

The invention provides an electrolytic capacitor nail joint reeling high speed machine which comprises an anode nail machine, a cathode nail machine as well as a reeling machine positioned between the anode nail machine and the cathode nail machine, wherein the reeling machine comprises a frame, a winding mechanism for reeling anode aluminum foil transferred by the anode nail machine and cathode aluminum foil transferred by the cathode nail machine, and a cutting-off mechanism for cutting off the anode aluminum foil and the cathode aluminum foil, the cutting-off mechanism comprises a driving motor, a tape driving mechanism connected with the driving motor, a cam mechanism connected with the tape driving mechanism, a link mechanism connected with the cam mechanism, and a pair of scissors, which is connected with the link mechanism, and the pair of scissors and the frame are in a sliding pair. The electrolytic capacitor nail joint reeling high speed machine provided by the invention has the benefits as follows: the driving motor drives the cam mechanism through the tape driving mechanism so as to switch rotating motion into pendulum motion of the link mechanism, and then the pair of scissors is driven to carry out linear feed along the frame so as to cut off the anode aluminum foil and the cathode aluminum foil automatically. Therefore, the efficiency is improved.
Owner:SHENZHEN CHENGJIE INTELLIGENT EQUIP CO LTD

Manufacturing method for anti-electromagnetic interference thin-film capacitor

The invention discloses a manufacturing method for an anti-electromagnetic interference thin-film capacitor. The method comprises the steps of (1) thin-film metallization, wherein polypropylene thin films are adopted as base films, zinc and aluminum are used as evaporation materials, the method for thickening the edge of a metallization layer is adopted, the sheet resistance of the edge portion ranges from 1 omega / square to 2 omega / square, and the internal sheet resistance ranges from 6 omega / square to 10 omega / square; (2) winding and forming, wherein the metallization polypropylene thin films and a metallization electrode form a capacitor core in a non-inductive winding mode, the space ranging from 0.6 mm to 0.75 mm is formed between the two thin films during winding, series connection is achieved inside the core, and then forming is carried out; (3) metal spraying, wherein a metal alloy layer is sprayed on the end face of the core, pure zinc materials are selected as a bottoming, and then zinc-tin alloy lines are sprayed; (4) enabling; (5) welding assembly and epoxy resin encapsulation; (6) testing. According to the manufacturing method for the anti-electromagnetic interference thin-film capacitor, the obtained thin-film capacitor can bear high current density and pulse current, and is high in voltage resistance and good in dielectric property.
Owner:TONGLING CITY START ELECTRONICS MFG

Original fabric pitch feed mechanism of original fabric manufacturing device for electrochemical element

Provided is a pitch feed mechanism which is capable of performing an accurate, high-speed pitch feed of an original fabric having unevenness on a surface thereof in a sticking operation of an insulating tape. The original fabric pitch feed mechanism that is provided on a downstream side of an insulating tape sticking process region in a long original fabric, and performs the pitch feeding of the original fabric in one direction in accordance with a boundary part, the original fabric pitch feed mechanism being characterized by comprising a feed side roller, an original fabric take-up side roller, a feed side contact and separate member, a take-up side contact and separate member, and a pitch feed roller, which is disposed between the feed side roller and the original fabric take-up side roller, and pulls out, when the feed side contact and separate member is separated from the feed side roller, and the take-up side contact and separate member is in contact with the original fabric take-up side roller to fix the original fabric with the original fabric disposed therebetween, the original fabric by a predetermined size from the feed side roller side by pressing the original fabric that is extended between the feed side roller and the original fabric take-up side roller.
Owner:O M C

Manufacturing method for semi-solid aluminum electrolytic capacitor

The invention proposes a manufacturing method for a semi-solid aluminum electrolytic capacitor, and relates to the technical field of aluminum electrolytic capacitors. The method comprises the following steps: S100, the making of an element; S200, a first impregnation stage, wherein the element is impregnated into a liquid at the stage; S300, a second impregnation stage, wherein the element is impregnated with a conductive polymer monomer, an oxidant and dispersion liquid at the stage; S400, a third impregnation stage, at which the element is impregnated with a treatment liquid; S500, a fourthimpregnation stage, at which the element is impregnated with an electrolyte; S600, the packaging of the element which is subjected to the fourth impregnation stage into an aluminum shell. In the invention, a mixed aluminum electrolytic capacitor (the semi-solid aluminum electrolytic capacitor) which contains the three materials (a conductive solid layer, treating fluid and the electrolyte) and isformed by the conductive polymers is disposed in the capacitor element. The semi-solid aluminum electrolytic capacitor has the characteristics of high reliability, high capacity, high ripple currentresistance and the like, has the function of promoting the repair of the defect portion of an oxide film of anode foil, and can suppress the occurrence of a short circuit fault.
Owner:CAPXON ELECTRONIC (SHENZHEN) CO LTD

Self-learning winding device and method

The invention provides a self-learning winding device and a self-learning winding method. The device comprises a roller encoder used for recording the motion position of a roller, a winding needle motor encoder used for recording the motion position of a winding needle, a virtual main shaft, an electronic cam module, a cam meter, a winding control module and a self-learning module, wherein the virtual main shaft is connected with the electronic cam module; the electronic cam module and the virtual main shaft are respectively connected with the winding control module; the winding needle motor encoder and the roller encoder are connected with the self-learning module and the winding control module; the self-learning module and the winding control module are connected with a winding needle motor; the self-learning module is connected with the cam meter; and the cam meter is connected with the electronic cam module. According to the self-learning winding device provided by the invention, the actual linear velocity and target linear velocity can be acquired for performing PI operation on the basis of executing a cam curve, linear velocity fluctuation caused by reasons such as non-uniform material thickness and middle inserted pole pieces can be adjusted, and the accumulated error is eliminated.
Owner:SHENZHEN VMMORE CONTROL TECH

Unwinding tension control device of wound film capacitor

The invention discloses an unwinding tension control device of a wound film capacitor. The unwinding tension control device comprises a rack, an unwinding shaft, a fixed ring and a movable ring. The fixed ring is fixed to the rack, the movable ring is arranged on one side of the fixed ring and can rotate synchronously or asynchronously along with the unwinding shaft, a friction ring is arranged between the movable ring and the fixed ring, a spring is arranged on one side of the movable ring and connected with an adjusting nut, the adjusting nut is installed at one end of the unwinding shaft, and the unwinding shaft is provided with threads matched with the adjusting nut. According to the unwinding tension control device of the wound film capacitor, torque is transmitted to the unwinding shaft by generating friction force so as to control unwinding tension, namely, the torque is transmitted to the unwinding shaft through friction between the fixed ring and the movable ring so as to control the unwinding tension; the movable ring and the unwinding shaft can rotate asynchronously, so that it is guaranteed that the torque transmitted to the unwinding shaft is constant, and the tension control effect is good. The unwinding tension control device is simple in structure and low in cost.
Owner:TONGLING CITY START ELECTRONICS MFG
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products