46 results about "Cylindrical electrode" patented technology

The utility model discloses a ring main unit temperature measurement plug, which belongs to the technical field of temperature measurement plugs, and comprises a base and a circuit board, the outer side wall of the base is provided with a shell, one side of the base is provided with a rectangular groove, the other side of the base is provided with an overheat protection assembly, and one end of the shell far away from the base is provided with a metal connecting piece. An electromagnetic induction assembly is arranged at the end, located in the shell, of the metal connecting piece, and the circuit board is arranged in the overheating protection assembly. According to the utility model, the electromagnetic induction assembly is arranged, the cylindrical electrode plate, the metal connecting piece and the epoxy resin form a suspension capacitor, an alternating electric field is utilized to supply power to the circuit board and the energy storage capacitor bank, passive work is realized, stress concentration of the cylindrical electrode plate is reduced through the round hole, and the overheating protection assembly is arranged to protect the electromagnetic induction assembly. When the detected temperature is greater than or equal to 80 DEG C, the circuit board electrifies the miniature electromagnet, the mounting ring is attracted to compress the reset spring, the circuit board is driven to be separated from the heat conduction copper sheet, and a heat conduction path is blocked.

This utility model discloses an industrial processing fluid filtration system using the coagulation and diversion principle, comprising a three-compartment water tank, a low-voltage AC particle coagulation device, and a diversion filter cartridge. The three-compartment water tank is divided into a sludge tank, a filtration tank, and a supply tank. The low-voltage AC particle coagulation device includes a cylindrical electrode and an electrical control box. The diversion filter cartridge includes a cylindrical filter, and the interior of the cylindrical filter has a filter element parallel to the axis of the cylindrical filter. The three-compartment water tank, the low-voltage AC particle coagulation device, and the diversion filter cartridge are connected sequentially by water pipes. This industrial processing fluid filtration system using the coagulation and diversion principle is advanced in design, compact in structure, and easy to use. It aggregates fine particles in the processing fluid into larger particles, facilitating subsequent filtration, improving filtration efficiency and accuracy, and preventing excessive deposition and compaction of particles on the filter element surface, thus extending the service life of the filter element and avoiding frequent replacement.

This invention discloses a spiral-wound electrochemical carbon capture membrane distillation assembly, a lithium extraction system, and a lithium extraction method, belonging to the field of membrane separation technology. The spiral-wound electrochemical carbon capture membrane distillation assembly includes a shell and a cylindrical electrode and a co-wound assembly disposed within the shell. The co-wound assembly includes a conductive membrane bag assembly, an aeration guide net assembly, and an electrolyte bag assembly, which are stacked and co-wound in a spiral shape. The aeration guide net assembly is used to introduce high-temperature CO2 gas. The conductive membrane bag assembly can permeate, collect, and discharge water vapor. The electrolyte bag assembly is used to carry the electrolyte, and the electrolyte bag assembly and the conductive membrane bag assembly are respectively connected to the positive and negative terminals of an external power supply to perform anodic and cathodic electrochemical reactions, respectively. The cylindrical electrode is disposed outside the co-wound assembly and connected to the negative terminal of the external power supply. This invention can solve the problem of membrane interface scaling and has advantages such as low cost and negative carbon emissions.

Disclosed are: a secondary battery in which a current collecting plate and an electrode terminal are joined outside an accommodation can; and a method of manufacturing same. The secondary battery comprises: the accommodation can, which includes a bottom plate having a through hole and a terminal unit which is fixed to the bottom plate so as to be inserted into the through hole and has a terminal hole in a central portion; a cylindrical electrode assembly which is accommodated in the accommodation can and stores electrochemical energy, and in which a core cavity is positioned in a central portion; and the current collecting plate which is joined to one end of the electrode assembly so as to be exposed to the outside of the accommodation can via the terminal hole, and has a chamfered surface along the circumference of the terminal hole, wherein the terminal unit and the current collecting plate are joined by a welding bead that is positioned lower than the terminal unit and inside a welding recess defined by the chamfered surface and the inner surface of the terminal hole.

A microparticle sampling device for collecting microparticles in a liquid comprises: a cylindrical first electrode of which both ends in the axial direction are open; a second electrode extending in the axial direction of the first electrode and disposed within the first electrode at a distance from the inner surface of the first electrode; a supply unit for supplying a liquid into the first electrode and storing the liquid in a part of the inner surface of the first electrode in a direction around the axis of the first electrode; a recovery unit that recovers the stored liquid; and a control unit that controls the collection operation of the fine particles. The control unit controls the supply amount (win, wadd) of the liquid supplied from the supply unit into the first electrode so that the liquid recovered by the recovery unit becomes a preset recovered liquid amount (wout), on the basis of the decrease amount (amount calculated from the decrease speed (vw) and the operation time (tcol)) of the liquid (68) in the first electrode (22) as air flows through the interior of the first electrode.

This invention proposes a three-dimensional electrode electrochemical device with descaling function. It is divided into a softening chamber and an oxidation chamber by a partition. The softening chamber contains multiple cylindrical electrode groups. Under the action of an external electric field, the cathode reaction generates a strongly alkaline environment to precipitate scale-forming ions in the water. A gas flushing mechanism and an external programmable DC regulated power supply effectively achieve automatic descaling. The three-dimensional electrode group in the oxidation chamber consists of several anode plates and cathode plates arranged alternately at equal intervals. Insulating baskets filled with particle packing are placed between adjacent electrode plates. Ultrasonic vibrating plates are integrated around the three-dimensional electrode group. A porous sieve plate and aeration pipeline are installed at the bottom of the three-dimensional electrode group. A spray mechanism with rotating nozzles is installed at the top of the oxidation chamber. The combination of the three-dimensional electrode group, ultrasonic assistance, and circulating spray enhances the oxidation efficiency. This invention removes multiple pollutants from water simultaneously and efficiently in a single reactor without the need for external reagents, through a series of electrochemical reactions. It has the advantages of high treatment efficiency, high automation, and small footprint.

The invention relates to an electrical energy storage device (2) with a plurality of electrochemical individual cells (E) which are formed in a multi-cell housing (1) having a plurality of receptacles (A), wherein each receptacle (A) is designed to be a receptacle for an electrode foil arrangement (5).According to the invention, the multi-cell housing (1) has two half-shell elements (H1, H2) with a predetermined number of adjacent receiving sections (AA), each receiving section (AA) having a semi-circular cylindrical cross-section, the receiving sections (AA) of both half-shell elements (H1, H2) being closed at the bottom, the two half-shell elements (H1, H2) having a flange-like projecting edge area (R) on three sides for the material-bonded connection of the two half-shell elements (H1, H2), in a connected state of the two half-shell elements (H1, H2) two opposing receiving sections (AA) forming a receptacle (A) with a circular cylindrical cross-section for the axial reception of a circular cylindrical electrode foil arrangement (5), and the receptacles (A) with the electrode foil arrangements (5) arranged therein being closed by means of a cell cover (7).

The present application relates to a kind of cylindrical electrode paste and its preparation method.A kind of cylindrical electrode paste, by mass parts, including 15-20 parts of anthracite main material, 25-40 parts of residual anode, 3-10 parts of graphite fragment, 25-35 parts of coke, 15-30 parts of organic binder, 6-18 parts of bio-based binder. Among them, organic binder includes medium temperature pitch, anthracene oil, beta resin. Among them, bio-based binder includes carbonized hydrophobic composite modified wood bamboo powder, sodium carboxymethyl cellulose. The carbonized hydrophobic composite modified wood bamboo powder of the present application and sodium carboxymethyl cellulose are compounded to form a bio-based binder, which cooperates with the organic binder to ensure the bonding strength, high temperature resistance and electrical conductivity of the cylindrical electrode paste, while realizing the green and low-carbon utilization of biomass, solving the problems of high temperature failure, moisture absorption and easy caking, and many pores of traditional bio-based binder, reducing the resistivity and production cost, and improving the structural density and use stability.

The present disclosure provides a method including placing a substrate on a cylindrical electrode in a vacuum vessel, introducing at a first location in the vacuum vessel a first gaseous species capable of depositing a layer onto the substrate when formed into a plasma, and introducing at a second location in the vacuum vessel a second gaseous species capable of etching the substrate when formed into a plasma. The first location is closer to an entrance of the vacuum vessel at an unwind side than to the second location. The method further includes generating a plasma from the first gaseous species and the second gaseous species between the cylindrical electrode and a counter-electrode, rotating the cylindrical electrode to translate the substrate, and exposing a major surface of the substrate to the plasma. A layer is deposited on at least a portion of the major surface of the substrate and the substrate is etched, thereby forming nanostructures including at least one of nano-pillars, nano-columns, or continuous nano-walls including nano-pillars or nano-columns. An article is also provided, made by the method.

The present invention relates to a method for providing a coating to the inner surface of a barrel of a small- or medium-caliber firearm, wherein the inner surface defines the internal volume, and the method provides a firearm including the barrel to be processed in a reaction chamber, and provides a cylindrical electrode having an outer surface and including a target material substantially coaxially within the barrel, closes the reaction chamber, reduces the pressure to a predetermined pressure value, supplies gas to the reaction chamber, thereby supplying gas into the internal volume, and raises the pressure within the reaction chamber to an operating pressure, using the electrode as a target cathode and the barrel as an anode. The process includes the steps of: applying a first electric field to the electrode to activate the gas into a plasma gas; using the plasma gas to remove the target material and deposit it on the inner surface; turning off the first electric field; stopping the gas supply; returning the reaction chamber to atmospheric pressure; and removing the firearm, including the processed barrel, from the reaction chamber, wherein the distance between the outer surface of the electrode and the inner surface of the barrel is at least 0.5 mm, the electric field is applied for a time long enough to form a layer of the target material on the inner surface of the barrel, and the product of the operating pressure and the distance between the electrode and the inner surface is 10 -5 This concerns the method of Torr.cm ~ 45 Torr.cm.

The engraving device for the cylindrical electrode comprises a servo rotator and a telescopic calibration device, the servo rotator comprises a base, a first servo motor, a rotating shaft and a rotating table, a laser transmitter is arranged on one side of the servo rotator, a transmitting port of the laser transmitter corresponds to the rotating table, and the telescopic calibration device is arranged on the base. A transmission platform and a discharging channel are arranged on the two corresponding sides of one set of the rotating table respectively, the telescopic calibration device comprises movable calibration arms, and the two calibration arms are symmetrically arranged on the two corresponding sides of the other set of the rotating table. A product is placed in the center of the rotating table, the laser transmitter transmits laser to weld the product, welding at different height positions is achieved through vertical lifting of the rotating table, meanwhile, the product is located in the center of the rotating table through the calibration arms on the two sides, and the engraving precision is guaranteed. And meanwhile, the laser engraving content is flexible and changeable, secondary clamping is not needed, and the machining efficiency is greatly improved.

An electrode assembly, a battery cell. In a state where a first electrode (2), a first separator (3), a second electrode (4), and a second separator (3) are laminated, the assembly is wound into a cylindrical electrode assembly (1) by being wound around a winding center in a lengthwise direction, both surfaces of the first electrode (2) are coated with an active material, constituting a first electrode coated portion, one side end portion of the first electrode (2) in an axial direction constitutes a first electrode uncoated portion (21), both surfaces of the second electrode (4) are coated with an active material, constituting a second electrode coated portion (42), the other side end portion of the second electrode (4) in the axial direction constitutes a second electrode uncoated portion (41), a prescribed interval from a boundary portion of the second electrode coated portion (42) and the second electrode uncoated portion (41) toward an end portion of the second electrode uncoated portion (41) is coated with an insulating material, forming an insulating coating (45).

The utility model provides a device for detecting soil humidity. The device comprises a water bin, a soil bin, a sampling circuit, a water bin probe and a soil bin soil probe. Wherein the bottom of the water bin is provided with a first inward-convex groove, the bottom of the soil bin is provided with a second inward-convex groove, and the water bin probe is located in the first inward-convex groove. And the soil bin soil probe is connected with the second end of the water bin probe to form a new cylindrical electrode of the single-electrode capacitor, the upper half part of the new cylindrical electrode is in close contact with the soil, and the lower part of the new cylindrical electrode is arranged in the center of the water bin. The first end of the water sump probe is connected with the sampling circuit, and the sampling circuit collects the capacitance value of the single-electrode capacitor and judges the soil humidity according to the capacitance value, so that detection of the soil humidity is completed. The first inward-protruding groove and the second inward-protruding groove are arranged, the water bin probe is not in direct contact with water, the soil bin soil probe is also not in direct contact with soil, the soil bin soil probe is not in direct contact with the soil, and it is guaranteed that the single-electrode probe is not polluted and rusted by the soil.

The utility model discloses an oil dielectric constant detection sensor which comprises a sensor body, electrodes are fixedly connected to the bottom end of the sensor body, a cylindrical pole plate gap is formed between the electrodes, a cleaning ring is coaxially connected to the interior of the pole plate gap in a sliding and sealing mode, an inner cavity used for containing a power piece is formed in the body, and the power piece is in transmission connection with the cleaning ring. According to the utility model, power is provided for the cleaning ring through the power piece, the cleaning ring is driven to move in the gap between the electrode plates, so that stains on the electrode are cleaned through the cleaning ring, the cleanliness of the electrode is improved, and the measurement precision and accuracy of the sensor are improved.

The invention relates to a remote high-temperature insulating material insulation characteristic evaluation device and method, in the device, a high-voltage direct current source in a high-temperature pressurization module is connected with an annular protection electrode and a grounding electrode, the grounding electrode is arranged on the upper surface of a heating assembly, and a high-voltage cylindrical electrode and the annular protection electrode are arranged above the grounding electrode; the input end and the output end of the data acquisition operation module are two ends of the integrating capacitor; the impedance conversion unit is sequentially connected with the operational amplifier and the ADC; the wireless transmission module comprises a wireless transmission transmitter and a wireless transmission receiver which adopt the ZigBee technology, and the wireless transmission transmitter is connected with an ADC converter in the data acquisition and operation module; the data processing module is arranged in the computer, and the wireless transmission receiver is connected with the computer. By adopting the method, remote measurement can be realized in high-temperature, high-pressure or intense-radiation areas, and damage to equipment and risk to personnel are avoided.

An electrostatic analyzer includes a cylindrical body having an inner cylinder and an outer cylinder that are coaxial with one another along a longitudinal axis of the cylindrical body. An inner cylindrical electrode is positioned on an exterior face of the inner cylinder. An outer cylindrical electrode is positioned on an interior face of the outer cylinder. A first azimuthal electrode positioned on a face of a first azimuthal plane that passes through the longitudinal axis. A second azimuthal electrode is positioned on a face of a second azimuthal plane that passes through the longitudinal axis. A first end electrode is positioned on a first end face of the cylindrical body. A second end electrode is positioned on a second end face of the cylindrical body.

The application provides an LED power supply wiring device, and relates to the technical field of LED power supply, which comprises a wiring box body, the front end of the wiring box body is hingedly provided with a closed revolving door, a threading hole is formed in the left side of the wiring box body, an integrated power supply is fixedly arranged on the right side in the wiring box body, a push button switch is fixedly arranged at the bottom of the integrated power supply, the integrated power supply is electrified when the closed revolving door is closed and the push button switch is pressed, and a control panel is fixedly arranged on the left side in the wiring box body. The wiring structure capable of being quickly assembled is provided, the main wire clamp and the side wire clamp are inserted between the two groups of locking buckles, the force provided by the springs between the two groups of locking buckles and the two groups of I-shaped piles fixes and clamps the main wire clamp and the side wire clamp on the outside of the cylindrical electrode, the integrated power supply and the control panel are connected through the cylindrical electrode and the connecting wire, and the problem that the existing wiring device lacks the wiring structure capable of being quickly assembled is solved.

The application provides a battery rubberizing equipment. The battery rubberizing equipment is used for rubberizing a cylindrical electrode assembly. The battery rubberizing equipment comprises a first rubberizing mechanism and a second rubberizing mechanism. The second rubberizing mechanism is oppositely arranged with the first rubberizing mechanism along a first direction, and a space for accommodating the electrode assembly is formed between the first rubberizing mechanism and the second rubberizing mechanism. The first rubberizing mechanism and the second rubberizing mechanism are both configured to be movably arranged along the first direction, and the first direction is perpendicular to the axial direction of the electrode assembly. The first rubberizing mechanism is used for attaching a first adhesive tape to the electrode assembly, and the second rubberizing mechanism is used for attaching a second adhesive tape to the electrode assembly, and the first adhesive tape and the second adhesive tape are connected head to tail and wrapped around the outer periphery of the electrode assembly. According to the application, the rubberizing efficiency can be effectively improved, and the cost of the battery rubberizing equipment can be reduced.

A cylindrical battery cell may include a cylindrical electrode assembly including a first electrode and a second electrode, a printed circuit board (PCB) having a top surface on which at least one circuit component is mounted, the PCB comprising first and second connection pads connected to the first and second electrodes, respectively, a first metal plate configured to connect the first electrode and the first connection pad, and a second metal plate configured to connect the second electrode and the second connection pad. When the first connection pad is located on a bottom surface of the PCB, the first metal plate may be connected to the bottom surface of the PCB.

A flow cell comprises a top structure, comprising: a plurality of first fittings at a first side of the top structure; a plurality of second fittings at a second side of the top structure; a plurality of channels extending from the first fittings to the second fittings; a plurality of flow-through cylindrical electrodes extending through the plurality of channels, wherein a distal end of the flow-through cylindrical electrodes is offset from a distal end of the second fittings by a predetermined distance; a bottom structure comprising: a plurality of fitting receptacles constructed and arranged to connect to the second fittings; and a fluid path that extends from one channel of the plurality of channels and one of the second fittings in communication with the one channel to another channel of the plurality of channels and another of the second fittings in communication with the other channel.

The utility model discloses an electrode uranium layer thickness detection device, and relates to the detection device technology field, the electrode uranium layer thickness detection device comprises a clamping mechanism, an optical film thickness gauge, a microscope and a sliding platform, the clamping mechanism comprises a clamping claw and a support frame, the support frame comprises a first support plate and a second support plate, the clamping claw is rotatably connected to the first support plate around a rotation axis, and the second support plate is rotatably connected to the optical film thickness gauge. The clamping jaw is used for clamping the first end of the electrode, the second supporting plate can bear the second end of the electrode, and the clamping jaw is rotationally connected to the first supporting plate around the axis of the electrode; the optical film thickness gauge is provided with a probe; an objective lens of the microscope is arranged above the electrode, and a lens barrel of the microscope is connected with the probe; the sliding platform comprises an X moving platform, the supporting frame is connected to the upper portion of the X moving platform, and the X moving platform can drive the supporting frame to move in the direction parallel to the axis of the electrode so as to drive the electrode to move in the direction parallel to the axis of the electrode. According to the utility model, the uranium layer thickness of the cylindrical or cylindrical electrode can be detected, and the detection precision is high.

To detect the charging polarity of a particulate air-fuel mixture with high accuracy in order to spray charged water particles having a charging polarity opposite to the charging polarity of the particulate air-fuel mixture generated in a spraying object region.SOLUTION: The charge detector 80 includes the conductive cylindrical electrodes 95 that are formed in a cylindrical shape having a hollow portion and allow the particulate mixture to pass from one end side to the other end side of the hollow portion, the Faraday cage 96 that is electrically insulated from the cylindrical electrodes 95 and has the conductive outer cylindrical body side 98a and side 98b that cover the outer circumferences of the cylindrical electrodes 95 and are grounded, and the charge detection unit 105 that converts induced charges having the same polarity as the charging polarity of the particulate mixture induced to the outer circumferences of the cylindrical electrodes 95 by the charges of the particulate mixture into a voltage signal and outputs the voltage signal. A determination part 114 for determining the electrification polarity of the particulate mixture based on the voltage signal outputted from the charge detection part 105 is provided, and the length of the eaves part exceeding one end side and the other end side of the cylindrical electrode 9 in the one end side and the other end side of the outer cylindrical bodies 98a, 98b is set to be twice or more of the inner diameter of the cylindrical electrode 9.SELECTED DRAWING: Figure 7

The invention relates to the field of oil reservoir development, in particular to a high-voltage electric field synergistic centrifugal effect crude oil efficient dehydration device and a using method. The problems that an existing water-containing oil sample in a laboratory is poor in dehydration effect and long in dehydration time are mainly solved. The bottom of the dehydration kettle (4) is connected with a centrifugal motor (1), a plurality of dehydration tanks (8) which are uniformly distributed are arranged in the dehydration kettle (4), the bottoms of the dehydration tanks (8) incline towards the outer side, and metal sheets (3) are arranged on the inner wall of the dehydration kettle (4) and are connected with a negative electrode of a power supply; the upper end of the dewatering tank (8) is provided with an electrode tank cover (11), the electrode tank cover (11) is connected with a cylindrical electrode (12), the cylindrical electrode (12) is located in the dewatering tank (8), and the cylindrical electrode (12) is connected with the positive electrode of a power supply. The high-voltage electric field synergistic centrifugal effect crude oil efficient dehydration device is suitable for various complex oil samples, and rapid and efficient dehydration is achieved under the conditions that oil sample composition is not changed and oil sample layering is not caused.

The application discloses a coaxial cylindrical electrode variable-pitch spiral flow channel electrocoalescing device, which is suitable for efficient separation of water-in-oil emulsion and is composed of a feeding section, an electrocoalescing section and a separation section. The core innovation lies in that the electrocoalescing section adopts a three-section variable-pitch spiral flow channel design of an outer moving guide section, an outer field coalescing section and a stable coalescing separation section, the pitch is increased by 30%-50% along the emulsion flow direction, and the spiral lift angle is 15-45 degrees. The outer electrode inner wall is coated with an oil-resistant coating; the inner and outer electrodes form an electric field, cooperate with the centrifugal force generated by the spiral flow channel, and realize the ladder-type cooperation of water phase outward movement, polarization coalescing and stable coalescing separation. The device solves the problems of poor flow field and electric field cooperation, low separation efficiency and insufficient stability of the traditional equipment, does not need external separation equipment, realizes the integration of "coalescing-separation", greatly improves the water phase removal rate and operation stability, reduces energy consumption, and is suitable for large-scale treatment of industrial scenes such as crude oil produced liquid.

The utility model discloses an instantaneous heat energy release device for a thermal runaway fault of a battery pack. The device comprises an arc-shaped heat dissipation main body matched with the side surface of a cylindrical battery cell, an upper cover and a locking device, a plurality of evaporation holes are formed in the arc-shaped heat dissipation body and filled with liquid heat dissipation media. In a normal state, the locking device fixes the upper cover and the arc-shaped heat dissipation main body, so that the upper cover seals the evaporation holes; and when the temperature of the battery cell rises to a certain temperature, the upper cover is instantly separated from the arc-shaped heat dissipation main body, and the liquid medium rapidly evaporates to absorb heat, so that instant emergency heat dissipation is realized. The arc-shaped structure adapts to the side surface of the battery cell, is convenient to install, does not damage the surface of the battery cell, provides a certain thermal expansion space for the battery, and can be widely applied to thermal safety management of a power battery pack and an energy storage system in combination with an evaporation endothermic reaction effect.

The invention relates to the technical field of optical processing, and provides an ion beam control device based on a combined electrode structure and an ion optical device. The combined electrode structure comprises a first electrode assembly, a second electrode assembly and a third electrode assembly which are sequentially and coaxially arranged in the ion beam transmission direction, and insulation gaps are formed among the first electrode assembly, the second electrode assembly and the third electrode assembly; the first electrode assembly is composed of eight arc-shaped polar plates which are uniformly distributed along the circumference and are independently arranged at intervals, the second electrode assembly is a hollow conductive cylindrical electrode, and the third electrode assembly is composed of eight arc-shaped polar plates which are uniformly distributed along the circumference and are independently arranged at intervals; the power supply control module is configured to switch the voltage applied to the combined electrode structure in an ion beam cluster size screening mode and an ion beam focusing shaping mode so as to realize the function of ion beam cluster size screening or ion beam focusing shaping.

The present disclosure relates to a tape attachment device, a method for attaching a tape, and a secondary battery. The tape attachment device includes: a lower support structure configured to support a cylindrical electrode assembly; a plurality of compression jigs configured to bend an insulating tape attached to a side surface of the electrode assembly and protruding in a height direction of the electrode assembly along a circumference of an upper surface of the electrode assembly, and to attach the insulating tape to the upper surface of the electrode assembly; a pressing device configured to flatten an upper surface of the electrode assembly to which the insulating tape is attached; and a controller configured to control the compression clamp and the extrusion device.

The invention discloses an in-situ test method and system for the surface micro-area breakdown characteristic of a vacuum arc-extinguishing chamber copper-chromium contact, and the method comprises the steps: preparing a tungsten ball electrode and a copper-chromium contact cylindrical electrode based on a double-beam focused ion beam platform, respectively fixing the tungsten ball electrode and the copper-chromium contact cylindrical electrode on a nanometer manipulator mechanical arm and a sample platform, and placing the tungsten ball electrode and the copper-chromium contact cylindrical electrode in a vacuum cavity; and connecting the test circuits inside and outside the vacuum cavity. The distance between the electrodes is accurately adjusted by using a nano control system, and the specific micro-area on the surface of the contact is accurately positioned by combining an electron beam imaging technology and an ion beam imaging technology. Then, direct-current voltage is applied at a stable position, voltage and current signals in the breakdown process are collected, and surface topography images before and after breakdown are obtained; according to the invention, the in-situ test of the breakdown characteristic of the specific micro-area on the surface of the copper-chromium contact of the vacuum arc-extinguishing chamber is realized, the influence rule of the surface appearance on the breakdown behavior can be revealed, theoretical support is provided for contact surface regulation and control and process optimization, and the method has important significance for improving the insulating property of the vacuum arc-extinguishing chamber and developing a product with a higher voltage grade.

The present invention relates to a molding device for molding first and second foil tabs formed at both ends of a cylindrical electrode assembly, the molding device comprising: a rail unit for moving the electrode assembly in one direction; and a guide unit disposed on the rail unit to align the position of the electrode assembly, and including a first plate, which faces the first foil tab and moves toward or away from the first foil tab, and a first guide part, which is disposed on the first plate and bends the first foil tab.

The invention discloses a needle seat structure for reducing particle pollution of an electrode needle of a static eliminator and a verification method thereof, and belongs to the field of static elimination. A cylindrical electrode needle mounting piece fixedly connected with the electrode needle is arranged; a cylindrical boss is arranged at the top of the cylindrical electrode needle mounting piece; an electric connection fixing piece with an inverted barrel-shaped structure is arranged; the electrode needle is located at the center of the shaft and penetrates through the whole electrode needle mounting piece, and the tail of the electrode needle is higher than a cylindrical boss at the top of the electrode needle mounting piece; the electrode needle mounting piece and the electric connection fixing piece are fixed together to form a cylindrical structure as a whole; an air channel component which is matched with the electrode needle mounting piece and is used for forming an air channel is arranged; the air channel component is of an axial symmetry structure, the air channel component and the electrode needle installation part are coaxially installed on a rod core of the ion rod, and a circular-tube-shaped air channel structure is formed between the air channel component and the electrode needle installation part. By arranging a circular-tube-shaped air channel structure which takes the axial center line of a whole electrode needle seat as the axial center line, is not in contact with an electrode needle body and indirectly surrounds the whole electrode needle, a circular-tube-type jet flow is formed around the electrode needle and a needle cone part of the electrode needle, so that the adsorption probability of pollution particles is reduced, and the pollution is reduced. The protection space of the electrode needle and the needle cone part thereof is expanded, and finally the electrostatic protection capability of an electrostatic sensitive object is improved.