290results about "Drying/impregnating machines" patented technology

The invention discloses a solid-state capacitor and a preparation method thereof, and the preparation method comprises the following steps: (1) core package winding: interposing electrolytic paper between an anode foil and a cathode foil, and winding to form a core package; (2) a repairing step: immersing the core package into a formation liquid for repairing treatment; (3) a drying step: carrying out drying treatment on the core package in the step (2); (4) an impregnation step: immersing the core package in the step (3) into a first impregnation liquid for impregnation treatment; performing drying; immersing into a second impregnation liquid for impregnation treatment, and drying; (5) a polymerization step: immersing the core cladding in the step (4) into an oxidation liquid for polymerization; and (6) assembling, girdling and aging treatment.

The invention relates to the technical field of hydraulic impregnation machines, and discloses a full-automatic hydraulic impregnation machine which comprises a machine body, an impregnation tank is fixedly mounted on the inner side of the machine body, a hollow tank is arranged in the impregnation tank, a rotating assembly is fixedly connected to the outer side of the hollow tank, and a cover plate is arranged on the inner side of the hollow tank. An impregnation tank is arranged in the machine body, a hydraulic system is arranged in the impregnation tank, a liquid storage tank is fixedly connected to the inner side of the machine body, a vacuum pump is arranged between the impregnation tank and the liquid storage tank, a sealing cover is movably installed on the top face of the impregnation tank, a reflux pump is arranged on the inner side of the machine body, and two suction pipes are arranged on one side of the vacuum pump. Through the arrangement of the rotating assembly, the hollow tank and the capacitor in the hollow tank can be driven to deflect, the electrolyte can make full contact with all parts of the capacitor core body by rotating the capacitor, the electrolyte can better permeate into the winding structure and fill small gaps and pores in the winding structure, and impregnation is more uniform and thorough.

The invention provides a high-dielectric low-loss X7P type dielectric ceramic material and a preparation method and application thereof, and relates to the technical field of functional ceramic materials, the dielectric ceramic material is composed of a perovskite type compound as a main component and an auxiliary component; wherein the perovskite type compound contains a Ba element and a Ti element, and the auxiliary components comprise a first auxiliary component containing an Mg element, a second auxiliary component containing SiO2, a third auxiliary component containing an Mn element and a fourth auxiliary component containing a rare earth element R. According to the invention, barium titanate is doped and modified, so that the excellent performance of combining different compounds is realized, the dielectric constant and temperature stability of the dielectric ceramic material are improved, and the dielectric loss is reduced.

The invention discloses a chip capacitor end sealing production line based on a thick rubber plate. The chip capacitor end sealing production line comprises an assembling mechanism, an implanting mechanism, a pressing-in mechanism, a leveling mechanism, a slurry soaking mechanism, a drying mechanism, a cooling and storing mechanism, a plate replacing mechanism, a discharging mechanism and a transferring clamping jaw. The number of the dipping mechanisms, the number of the drying mechanisms and the number of the cooling storage mechanisms are all two, and the assembling mechanism, the implanting mechanism, the pressing-in mechanism, the leveling mechanism, one dipping mechanism, one drying mechanism, one cooling storage mechanism, the plate changing mechanism, the other dipping mechanism, the other drying mechanism, the other cooling storage mechanism and the discharging mechanism are sequentially arranged. The assembling mechanism is used for placing the guide-in plate to the top of the thick rubber plate and forming an assembly. According to the chip capacitor end sealing production line based on the thick rubber plate, full-automatic operation in the end sealing process of the chip capacitor is achieved, the end sealing efficiency of the chip capacitor can be effectively improved, the end sealing precision of the chip capacitor can be improved, and meanwhile the labor cost in the end sealing process can be reduced.

The invention provides conductive copper-based slurry for a laminated solid aluminum capacitor core and a preparation method and application of the conductive copper-based slurry, and relates to the technical field of solid aluminum capacitors. The conductive copper-based slurry for the laminated solid aluminum capacitor core comprises the following components in parts by weight: 40-60 parts of conductive filler, 5-15 parts of polymer resin and 30-50 parts of solvent, the conductive filler is antioxidant copper powder and / or silver coated copper powder. The conductive copper-based slurry is a high-solid-content and low-viscosity system, the dip-coating process is adapted by regulating and controlling the ratio of the conductive filler to the organic carrier, and high conductivity under low-temperature air curing is achieved; by reasonably adding the anti-settling agent, the dispersing agent, the solvent and other organic carriers, it is ensured that the slurry meets the requirements for viscosity and suspension property of the dipping process, slurry settling is effectively prevented, the film thickness uniformity after dipping, pulling and curing and the equivalent series resistance stability of a finally obtained capacitor core are ensured, and the performance stability and reliability of a capacitor are improved.

The invention discloses a special aluminum fixing capacitor for an electronic detonator with ultralow electric leakage characteristic and a preparation method thereof, the capacitor comprises a positive foil electrode, a negative foil electrode, an aluminum foil or an aluminum alloy foil coated with an oxide film on the surface, electrolytic paper and an electrolyte, and the electrolyte can be a phosphate-based electrolyte, a borate-based electrolyte or an organic electrolyte containing high-conductivity salt, and an additive, the preparation method comprises the following steps: slitting positive and negative foils and electrolytic paper, winding the positive and negative foils and the electrolytic paper to form a concentric circle, forming a repair oxide film, dipping a conductive polymer material, baking and polymerizing to form a conductive film, injecting a pouring sealant into an aluminum shell, and carrying out heat treatment to obtain the conductive aluminum shell. The formation liquid is ammonium dihydrogen phosphate, ammonium adipate or boric acid aqueous solution, and the pouring sealant is epoxy resin or polyurethane; the capacitor has an ultra-low electric leakage characteristic, is suitable for being used as a power supply energy storage element in an electronic detonator system, stabilizes power supply output and inhibits an electric leakage phenomenon.

The present invention discloses a chip capacitor termination production line based on a thick rubber plate, comprising an assembly mechanism, an implantation mechanism, a pressing mechanism, a leveling mechanism, a slurry dipping mechanism, a drying mechanism, a cooling storage mechanism, a plate changing mechanism, a discharge mechanism and a transfer clamp; the slurry dipping mechanism, the drying mechanism and the cooling storage mechanism are each provided with two, and the assembly mechanism, the implantation mechanism, the pressing mechanism, the leveling mechanism, a slurry dipping mechanism, a drying mechanism, a cooling storage mechanism, a plate changing mechanism, another slurry dipping mechanism, another drying mechanism, another cooling storage mechanism and a discharge mechanism are provided in sequence; the assembly mechanism is used to place the lead-in plate on top of the thick rubber plate and form an assembly. The chip capacitor termination production line based on a thick rubber plate proposed in this scheme realizes the fully automatic operation of the chip capacitor termination process, can effectively improve the termination efficiency and the termination accuracy of the chip capacitor, and is conducive to reducing the labor cost in the termination process.

The invention discloses a ferroelectric-piezoelectric ceramic energy storage material as well as a hybrid process preparation method and application thereof, and belongs to the technical field of ferroelectric-piezoelectric ceramic materials. The ferroelectric-piezoelectric ceramic energy storage material comprises micro-nano composite structure particles formed by uniformly mixing polycrystalline powder and sol and performing heat treatment, wherein the micro-nano composite structure particles comprise the polycrystalline powder and PLZS nano component layers distributed around the polycrystalline powder. The hybrid process preparation method of the ferroelectric-piezoelectric ceramic energy storage material comprises the following steps: preparing sol and polycrystalline powder; performing heat treatment on the sol and the polycrystalline powder to obtain micro-nano composite structure particles; the micro-nano composite structure particles are subjected to a tape casting process and sintering, and a ferroelectric-piezoelectric ceramic energy storage material sample is obtained. According to the ferroelectric-piezoelectric ceramic energy storage material as well as the hybrid process preparation method and application thereof, the specific surface area and the oxygen vacancy content are improved by mixing the ferroelectric-piezoelectric ceramic energy storage material with sol components, the sintering temperature of the ceramic material is reduced, and the dielectric energy storage performance of the ceramic material is improved.

This invention discloses a surface-mount solid aluminum electrolytic capacitor and its manufacturing method, comprising a capacitor core package, which includes N capacitor cores, N+1 conductive metal meshes, a substrate, anode leads, cathode leads, and a silver paste covering tape. The capacitor core package is encapsulated and electroplated to form a solid aluminum electrolytic capacitor. The capacitor core includes an anode portion, a cathode portion, and an insulating barrier tape. In this invention, the conductive metal mesh sandwiched between the metal pads in the anode portion of the capacitor core and the cathode portion of the capacitor core can achieve the flatness of the core package. The silver paste covering tape located on the side of the cathode portion of the core package is embedded in the gap formed between two adjacent capacitor cores due to the conductive metal mesh sandwiched, forming an integrated connection. This prevents the resin encapsulant from being squeezed into the core layers during encapsulation, preventing core deformation damage that could lead to increased leakage current and increased ESR. Furthermore, it can prevent insufficient capacitance or even capacitor failure caused by delamination between cores.

The utility model discloses impregnation equipment for a laminated polymer capacitor, which relates to the field of capacitor impregnation and comprises a machine body, a plurality of impregnation units, a monitoring element, a water cooling system, a drying box and a moving unit, the impregnation units are arranged on the lower portion of the machine body side by side, the monitoring element is arranged on the impregnation units, the water cooling system is connected with the impregnation units, and the drying box is arranged on the machine body. The drying box is arranged in the machine body, the movement unit is installed in the machine body, a clamping mechanism is installed on the movement unit, and the movement unit drives the clamping mechanism to sequentially pass through the impregnation units and the drying box; according to the utility model, devices with different functions are integrated, the production flexibility and multifunctionality of the laminated polymer capacitor are improved, the space utilization rate of the production line is improved, the production efficiency is greatly improved, the real-time state of the intelligent control process is beneficial to improving the impregnation quality, and the production cost is reduced. The problem of insufficient electrical performance caused by impregnation defects is effectively reduced, and the stability and reliability of the product are improved.

The invention relates to the technical field of aluminum electrolytic capacitors, in particular to an anode foil production device and method for an aluminum electrolytic capacitor. Comprising a foundation assembly, the foundation assembly comprises a base, a portal frame is installed on the top of the base, and a hollow conveying belt is installed in the base; a drying assembly is installed in the portal frame and comprises an upper drying bin fixedly connected into the portal frame, and an upper drying rod is arranged at the bottom of the upper drying bin. A lower drying bin is fixedly connected into the base and located in the middle of the hollowed-out conveying belt, and a lower drying opening is formed in the upper portion of the lower drying bin. Aiming at the defects in the prior art, the invention provides the anode foil production device and method for the aluminum electrolytic capacitor, which can effectively solve the problems of anode foil deformation and surface damage caused by overlarge airflow impact during drying and material performance change caused by local high temperature in the prior art.

The invention relates to the technical field of preparation of tantalum capacitor cathode plates, in particular to a preparation device and method of a high-performance tantalum electrolytic capacitor cathode plate, and mainly comprises a support, impregnation spin-drying rollers are symmetrically arranged on the support, and a first conveying belt and a second conveying belt are respectively arranged between the impregnation spin-drying rollers. Tantalum capacitor workpieces are placed on the first conveying belt and the second conveying belt, synchronous rods in the separation mechanism are distributed in a high-low staggered mode, the synchronous rods on the two sides of the tantalum capacitor workpieces ascend and descend in a staggered mode, and the tantalum capacitor workpieces are effectively separated in a reciprocating mode. And the position of the moving block is adjusted through a bidirectional lead screw in the adjusting mechanism, so that cylindrical tantalum capacitor workpieces of different models are adapted.

The invention discloses a capacitor capable of reducing tantalum capacitance attenuation and a preparation method thereof. The preparation method comprises the following steps: preparing tantalum powder into a tantalum block; sintering the tantalum block; performing a forming process on the tantalum block to obtain a tantalum core with a dielectric oxide film; carrying out dipping treatment on the tantalum core with the dielectric oxide film, and then packaging the tantalum core; and aging the packaged tantalum core to complete the preparation of the capacitor. According to the forming process, a gradient boosting forming method is adopted, the forming voltage multiplying power of the tantalum core is improved, and the Ta2O5 dielectric oxide film with good performance is obtained; during assembly, a polarising agent is added into a working electrolyte to inhibit generation of hydrogen in a product, reduce air pressure release in the capacitor and stabilize the capacity; and through adjustment of an aging process method, the non-solid electrolyte tantalum capacitor with high voltage and larger capacity is manufactured.

The invention belongs to the technical field of electrode materials, and particularly relates to an electrode foil and a preparation method thereof and an aluminum electrolytic capacitor, the preparation method of the electrode foil comprises the step of carrying out soaking pretreatment on a corrosion foil before formation treatment, and the soaking pretreatment adopts a pretreatment solution containing rare earth nitrate. The corrosion foil is subjected to soaking pretreatment by adopting the pretreatment liquid containing the rare earth nitrate before the formation treatment, so that the effects of shortening the formation reaction time, reducing the energy consumption in the formation process, improving the capacity of the formed foil and reducing the leakage current are achieved.

The invention discloses an aluminum electrolytic capacitor special for a block chain computer and a preparation method of the aluminum electrolytic capacitor, and the preparation method comprises the following steps: S1, a positive guide pin and a negative guide pin are respectively riveted on an anode foil and a cathode foil, and a formation liquid used by the anode foil is composed of boric acid, citric acid mixed acid and maleic acid; s2, interposing electrolytic paper between the anode foil and the cathode foil, and winding to form a core package; s3, carrying out heating and impregnation on the wound core package in an electrolyte; s4, assembling the core package, the aluminum shell and the sealing rubber plug; s5, an aging step; the electrolyte consists of the following components in percentage by mass: 43-60% of a solvent, 30-42% of a solute, 3-10% of an additive and 1-5% of a surfactant, the surfactant is composed of ammonium chromate, alkyl phosphate, a silicic acid compound and polyacrylamide. The aluminum electrolytic capacitor prepared by the method provided by the invention can keep good performance and long service life in a high-temperature and high-pressure working environment, and is very suitable for a block chain computer.

A disclosed manufacturing method includes, in the following order: a polymer layer formation step of forming a conductive polymer layer containing a conductive polymer component; a stacked body formation step of forming a stacked body including the conductive polymer layer by stacking an anode foil, a cathode foil, and a separator such that the separator is disposed between the anode foil and the cathode foil; and an impregnation step of impregnating the stacked body with a liquid component. The polymer layer formation step includes: a step (a) of applying an application liquid containing the conductive polymer component and a liquid medium to a predetermined surface and the separator; and a step (b) of forming the conductive polymer layer on the predetermined surface and the separator by removing a portion of the liquid medium from the applied application liquid. The liquid medium includes water and an organic compound that does not boil at 100° C. under 1 atm. In the step (b), a portion of the liquid medium is removed such that the organic compound remains in the conductive polymer layer.

The invention relates to the technical field of drying equipment, and particularly provides combined drying equipment for manufacturing an electrolytic capacitor. The combined drying equipment for manufacturing the electrolytic capacitor comprises a drying conveying assembly, an air channel assembly, a drying assembly, a backflow assembly and two flow increasing assemblies. According to the invention, the electrolytic capacitor can be subjected to rapid and uniform double-sided heating and drying, the surface of the electrolytic capacitor can be ensured to be uniformly heated, non-uniform drying possibly caused by single-sided heating is avoided, and meanwhile, gradient temperature change is provided, so that the temperature of the electrolytic capacitor can be gradually adjusted, and the service life of the electrolytic capacitor is prolonged. The material damage caused by too fast temperature change is prevented, tangential airflow is provided to impact the main drying electrolytic capacitor, the partial damage of the electrolytic capacitor caused by too concentrated heat when the opposite heating airflow is opposite to the main drying airflow for drying and heating is prevented, the airflow resistance is reduced, the hot air flowing efficiency is improved, and the energy waste is reduced. The energy utilization efficiency is improved, and the drying cost is saved.

The utility model provides a liquid injection device of an assembling machine, which comprises a working table, an index plate is arranged on the working table, and a plurality of capacitor clamps for placing capacitors are arranged on the index plate. A feeding mechanism, an element assembly mechanism, a liquid dispensing mechanism, an aluminum shell assembly mechanism, a rubber plug detection assembly and a discharging mechanism are sequentially arranged in the circumferential direction of the index plate. The liquid dispensing mechanism is used for positioning the capacitors and injecting electrolyte to each capacitor at the same time, the liquid dispensing mechanism is connected with the liquid storage tank through the liquid conveying mechanism, and the liquid storage tank is used for storing the electrolyte. According to the utility model, the electrolyte dripping mechanism is additionally arranged in the assembly machine, and the injection amount of the electrolyte can be accurately controlled through the electrolyte dripping mechanism, so that the problems of non-uniform distribution and residual electrolyte are avoided. Meanwhile, the liquid dispensing mechanism can reduce the usage amount of electrolyte, and the production cost and the environmental pollution risk are reduced.

The invention discloses an aluminum capacitor and a lamination method thereof, and the method comprises the following steps: preparing single-layer capacitor monomers on a raw material piece, removing bad single-layer capacitor monomers, cutting off good single-layer capacitor monomers from the raw material piece, transferring the good single-layer capacitor monomers to a lamination jig, carrying out the negative electrode bonding, and carrying out the lamination. The method comprises the following steps: welding a positive electrode between single-layer capacitor monomers and an auxiliary frame, solidifying a negative electrode of the single-layer capacitor monomers to obtain a laminated body, dipping the negative electrode of the laminated body, assembling the laminated body to a frame lead, welding a positive electrode area of the laminated body with the frame lead, and connecting the negative electrode of the laminated body with the frame lead. And cutting off the redundant part of the auxiliary frame to complete lamination preparation. The laminated auxiliary frame has the function of a positive electrode gasket, and the height difference between the positive electrode and the negative electrode of the single-chip capacitor unit can be effectively reduced. The laminated auxiliary frame can be integrally impregnated with conductive slurry after being laminated, so that the connection between the cathode units of the capacitor is enhanced, and the equivalent series resistance is reduced.

The utility model discloses a core-containing impregnating machine for a solid-state capacitor, the core-containing impregnating machine for the solid-state capacitor comprises an impregnating tank and a sealing cover, the sealing cover comprises a normal sealing cover and an auxiliary sealing cover, the normal sealing cover is arranged on the impregnating tank and covers the impregnating tank, and the auxiliary sealing cover is arranged on one side of the impregnating tank. When the iron bar located in the middle needs to be taken out, the normal sealing cover and the auxiliary sealing cover can completely cover the impregnation tank all the time in the process of moving the normal sealing cover and the auxiliary sealing cover, when the normal sealing cover and the auxiliary sealing cover move to the preset position, the normal sealing cover and the auxiliary sealing cover are far away from each other, a small gap is exposed, and the iron bar is taken out. Then the normal sealing cover and the auxiliary sealing cover are close to each other and abut against each other until the normal sealing cover and the auxiliary sealing cover are closed and completely cover the impregnation tank, and then the normal sealing cover and the auxiliary sealing cover are moved and reset at the same time. When an iron bar located in the middle is taken out, it can still be guaranteed that the area, exposed in the external environment, of the impregnation tank is minimum, and the influence of the external environment on the interior of the impregnation tank is reduced.

The utility model discloses a capacitor impregnation joint, including an oil filling module and an oil delivery module, wherein the oil filling module includes a cavity tube, an oil inlet joint connected and communicated with the cavity tube, an oil seal threadedly connected to the oil inlet joint, and an oil delivery module, wherein the oil delivery module includes a rubber sleeve wrapped around the outer end of the oil inlet joint. In the utility model, the oil seal is opened, and then the outer end of the rubber sleeve is sleeved on the oil outlet end of the external oil delivery structure, and then the rubber sleeve is pinched by hand, and then oil is injected into the oil inlet joint. Under the guidance of the inner wall of the rubber sleeve, the oil directly enters the cavity tube, and then the outer end of the rubber sleeve is continued to be gripped, and the staff pushes the T-bar, and then the oil scraper moves and scrapes the oil on the inner end surface of the rubber sleeve, so that the oil will not be retained at the outer end of the oil inlet joint, and then the outer end of the rubber sleeve is loosened, the oil seal is tightened, and then the oil scraper is controlled to reset, effectively preventing oil leakage and avoiding the cavity tube from being contaminated.

The utility model belongs to the technical field of aluminum electrolytic capacitors, and particularly relates to an aluminum electrolytic capacitor impregnation device which comprises an impregnation device body, a top plate, a placing groove, a drying assembly, a transmission assembly, a lifting adjusting assembly and a turnover control assembly. Supporting columns are fixedly installed at the four corners of the top of the impregnation device body, the top plate is slidably installed on the four supporting columns, the drying assembly is arranged on the top plate, sliding grooves are formed in the inner walls of the two sides of the impregnation device body correspondingly, and sliding blocks are slidably installed in the two sliding grooves correspondingly. And rotating pins are rotationally mounted on the sides, close to each other, of the two sliding blocks correspondingly, and the two rotating pins are coaxially arranged. The aluminum electrolytic capacitor drying device is reasonable in design, simple in structure and convenient to operate, the drying efficiency of an impregnated aluminum electrolytic capacitor can be greatly improved, and meanwhile the aluminum electrolytic capacitor can be dried by blowing hot air at a proper temperature or dried through a heating lamp according to actual drying requirements.

The utility model relates to the technical field of multi-layer ceramic capacitors, and provides an MLCC immersion plating implanting device, the distance between a JIG bottom plate and a JIG movable plate is adjusted by arranging an adjusting screw rod, MLCCs with different lengths can be conveniently implanted, a material guide screen plate is arranged on the JIG movable plate, the edges between screen plates on the material guide screen plate are all arc-shaped, and the material guide screen plate is convenient to use. The JIG bottom plate is provided with a plurality of through holes, so that the MLCC can fall into the meshes between the guide mesh plates, the four edges of the through holes in the JIG movable plate are arc-shaped, and the through holes in the JIG movable plate are wide at the upper part and narrow at the lower part, so that the MLCC can be easily calibrated by the through holes in the JIG movable plate after passing through the through holes in the JIG movable plate and fall into the limiting holes formed in the JIG bottom plate, and the implantation efficiency is improved; the limiting holes formed in the JIG bottom plate are square holes distributed at equal intervals, so that the MLCC can be easily limited, the MLCC can be conveniently limited and implanted, manual operation and intervention can be reduced in the process, implantation errors are reduced, and the yield is improved.

The utility model relates to the technical field of aluminum electrolytic capacitor processing, and discloses an electrolyte impregnation device for producing and processing chip aluminum electrolytic capacitors. A lifting top cover is lifted and installed on the upper opening side of an impregnation box seat under the drive of a driving electric cylinder, an impregnation cage frame is installed on the lower part of the lifting top cover, and a plurality of placement drawers are evenly inserted and installed in the interior of the impregnation cage frame, and the workpiece is placed and supported by the impregnation cage frame, and the lifting top cover is lifted and driven by driving electric cylinders arranged on both sides of the impregnation box seat, so as to realize the lifting and driving of the impregnation cage frame, and the placement and lifting of the workpiece are both driven by electricity without consuming manpower, and the electrolyte does not need to be discharged during the material taking process, which is more convenient and labor-saving than traditional manual material taking and feeding, and the placement drawer is used to place and support the workpiece, and the placement drawer adopts an inserted installation method, which is convenient for disassembly and assembly, and can be matched with the impregnation cage frame to place and install multiple groups of workpieces at a time.

The invention relates to a continuous production process of a capacitor lead aluminum wire. The continuous production process comprises the following steps and equipment configuration: a) automatic discharging: adopting a discharging wheel set (the diameter phi is 800mm) with a tension sensor (the precision is + / -0.5 N) and a laser deviation rectifying device; b) automatic feeding: a roller mechanism is driven by a servo motor (the feeding speed is 2-5m / min, and the positioning precision is + / -0.1 mm); c) automatic punch forming: mounting a punching die (forming precision + / -0.02 mm) containing a dynamic clearance compensation module on a four-column hydraulic press (nominal pressure is 15T); d) ultrasonic cleaning: adopting 40kHz high-frequency ultrasonic waves (the power density is 1.2 W / cm < 2 >) in a 316L stainless steel tank body to be matched with an environment-friendly cleaning agent with the pH value of 6.5-7.5; e) formation treatment: adopting a pulse anodic oxidation process of five-stage gradient voltage control (0-20-50-80-100-0V); f) drying: a composite drying system combining infrared radiation (wavelength of 2.5-5 [mu] m) and hot air circulation (wind speed of 3 m / s) is adopted; and g) material receiving: configuring an automatic winding mechanism (the winding diameter phi is 1000mm, and the tension is controlled to be + / -1%) of a CCD (Charge Coupled Device) detection device.

The present invention discloses a method for preparing a high-performance PVDF-based energy storage film based on nanosecond electric pulse induction, the steps of which include: preparing a polyvinylidene fluoride-hexafluoropropylene (P(VDF-HFP) solution, taking an appropriate amount of the solution and evenly dropping it into a cleaned glass groove, and applying different nanosecond electric pulses at a certain temperature. After naturally cooling to room temperature, the film is quenched and then placed in a vacuum drying oven for drying to further remove moisture and residual solvent. The present invention controls the amplitude, pulse width, frequency, pressurization time, vacuum drying time and temperature of the nanosecond electric pulse and customizes the size of the groove, and adopts a solution casting method to obtain β P(VDF‑HFP) films with high phase content and excellent energy storage performance, β The phase content is more than 80%, and the charge and discharge energy density is 14 J / cm 3 , the charge and discharge efficiency can reach more than 60%. The present invention eliminates the complicated secondary process, is simple to operate, greatly saves production costs, and has obvious advantages and application prospects in the preparation of high-performance PVDF-based energy storage films.

The invention relates to the technical field of capacitor production, in particular to an oil immersion device for microwave oven high-voltage capacitor production, which comprises a rack, a vacuum tank and a filter are arranged at the upper part of the rack, a tank cover is arranged at the top of the vacuum tank, an accommodating disc for accommodating a capacitor is arranged in the vacuum tank in a sliding manner, and a spiral groove is formed in the inner wall of the vacuum tank; balls located in the spiral grooves are arranged on the outer wall of the containing disc, an annular frame located on the lower side of the containing disc is arranged in the vacuum tank, and push rods are connected to the top of the annular frame at intervals. The second driving mechanism can drive the lifting plate to drive the ring frame to ascend and descend, the ring frame ascends and descends to push the capacitor to ascend and descend through the push rod, and therefore dynamic oil immersion of the capacitor is achieved, sufficient oil immersion of the capacitor is guaranteed, and the oil immersion effect of the capacitor is improved. The containing disc is driven to rotate through the first driving mechanism, the containing disc rises from the interior of the vacuum tank when rotating through cooperation of the balls and the spiral grooves, redundant insulating oil on the outer surface of the capacitor is thrown away, the waiting time is shortened, and the oil immersion efficiency is improved.

The utility model relates to a capacitive oven. The capacitive oven comprises a frame body, a lifting piece and a limiting assembly. The frame body comprises a first mounting position and a feeding and discharging station, and the first mounting position is used for mounting a baking tray; the lifting part is arranged below the first mounting position, and the lifting part is used for driving the baking tray to enter the first mounting position or taking the baking tray out of the first mounting position; a limiting assembly is arranged on the portion, close to the feeding and discharging station, of the frame body and used for limiting the position of the baking tray located at the first installation station. According to the capacitive oven, the baking efficiency of the oven can be improved.

The invention discloses a high-capacity low-ESR laminated solid aluminum capacitor and a manufacturing method thereof, the laminated solid aluminum capacitor comprises a shunt capacitor body, and the shunt capacitor body comprises a plurality of capacitor split bodies which are stacked up and down and connected in parallel; each capacitor split body comprises a plurality of capacitor chips, a conductive frame and a shell, the capacitor chips and the conductive frame are arranged in the shell, a plurality of stacked capacitor chips are arranged on both sides of the conductive frame, an anode pin and a cathode pin are respectively led out from both sides of the conductive frame towards the shell, and the anode pin and the cathode pin are connected with the conductive frame. The anode pins of the plurality of capacitor split bodies are connected in a conductive manner, and the cathode pins of the plurality of capacitor split bodies are connected in a conductive manner. According to the invention, the plurality of capacitor split bodies which are stacked up and down and connected in parallel are arranged, and the anode pin and the cathode pin of each capacitor split body are connected in a conducting manner, so that the capacity and the yield of the capacitor can be effectively improved.

The utility model discloses a slurry dipping mechanism for improving chip capacitor end sealing precision. The slurry dipping mechanism comprises a pre-dipping device, a drying platform and a slurry dipping device which are sequentially arranged in the left-right direction. According to the scheme, two sets of dipping devices are introduced into the dipping mechanism, firstly, the end part of the chip capacitor is subjected to pre-dipping through the pre-dipping device and is dried to form a pre-dipping layer, and then the chip capacitor is subjected to formal dipping through the dipping devices, so that the dipping process of the chip capacitor is completed. According to the scheme, twice dipping is realized in the dipping mechanism, and the existence of the pre-dipping layer is beneficial to improving the bonding property of the paste and the chip capacitor in the formal dipping process, and ensures that the surface of the sealing layer of the chip capacitor is flat and the end sealing line is flat, so that the end sealing quality of the chip capacitor is ensured.