22results about How to "Improve conductivity stability" patented technology

The invention relates to the technical field of batteries, and discloses a pole column and a forming process thereof, a battery cell cover plate assembly and a battery cell. The pole forming process comprises the following steps: stamping and blanking a conductive composite board along a Z direction to obtain a pole body; wherein the pole body comprises a first conductive section and a second conductive section; wrapping and limiting the first conductive section, and extruding and expanding the local part of one end, far away from the first conductive section, of the second conductive section along the Z direction, so that an annular flange is formed on the side wall of the second conductive section on the X-Y plane; stamping and stretching the local part of the annular flange to enable the free end of the annular flange to form a pole turnup; wherein the pole turnup comprises a first turnup and a second turnup which are connected with each other, the first turnup extends towards the direction far away from the second conductive section along the Z direction, the first turnup and the first conductive section are arranged at an interval, and the second turnup extends towards the direction far away from the first conductive section. The pole prepared by the invention can reduce heat transferred to the upper plastic, and the insulating property of the pole is guaranteed.

The utility model relates to the technical field of electronic wires, in particular to an anti-corrosion electronic wire which comprises a battery core conductor, a spiral groove is arranged on the outer side surface of the battery core conductor, conductive gel containing benzotriazole is filled in the spiral groove, a conductive layer is sleeved on the outer side of the battery core conductor, a chemical passivation layer is arranged on the outer side of the conductive layer, and an anti-corrosion layer is arranged on the outer side of the chemical passivation layer. The outer side of the chemical passivation layer is sleeved with a physical blocking layer, the outer side of the physical blocking layer is provided with a fireproof mica layer, the outer side of the fireproof mica layer is sleeved with a shielding layer, the outer side of the shielding layer is sleeved with an armor layer, and the outer side of the armor layer is sleeved with an anti-corrosion sheath. Through the synergistic effect of the chemical passivation layer and the four-layer composite anti-corrosion sheath (the W61-3 organic silicon coating, the graphene epoxy coating, the nano modified layer and the PTFE glass fiber composite layer), a chemical and physical dual protection system is formed, the cable can resist complex corrosion environments such as acid, alkali, salt and humid and hot atmosphere, and the protection life is prolonged by more than three times.

This utility model discloses a guide rod fixation device, including: an aluminum guide rod; a swaying buffer device assembled on the top of the aluminum guide rod; the above device is flexibly connected to the busbar through the mounting plate of the swaying buffer device; multiple sets of springs and damping rods synchronously absorb the swaying energy caused by bubbles and magnetic fields, so that the top no longer amplifies the swaying amplitude, and the busbar joint remains pressed and without discharge; the connection and installation device composed of the T-shaped plate, connecting rod, nut, and spring 2 elastically locks the aluminum guide rod on the steel beam, which allows for thermal expansion differences and continuously transmits downward pressure, avoiding stress concentration in rigid welds; after the steel beam is transitioned through the explosive weld transition block, it forms an adjustable pre-tightening pair with the connecting rod through the mounting sleeve hole, so that the steel beam is always under upward tension; the steel rod auxiliary clamping assembly composed of the steel rod body, support rod 2, clamping block, and connecting bolt 2 clamps each steel rod at multiple points, dispersing the neck bending moment and inhibiting oxidation penetration, ultimately eliminating the risk of overall fall, while improving conductivity stability and service life.

The present application relates to the technical field of nanocomposite materials, and particularly relates to a preparation method of two-dimensional multi-stage pore MOF material with self-repairing capability and application thereof.The method of the present application is as follows: including the following steps, using an organic ligand, which can also be 2,6-diaminopyridine as a doping ligand to increase the amino functional groups on the MOF body, using an amphiphilic block copolymer as a template agent, using GO as a substrate to induce metal ions to form MOF material, washing off the template agent, and finally obtaining two-dimensional mesoporous MOF material.Grafting UPY-NCO molecules on the hydroxyl or amino end of the MOF material, and then forming dimers through four hydrogen bonds to obtain a crosslinked network.The preparation method of the present application is novel, the MOF material prepared by using the method has high cycle stability, and after high-strength use, the hydrogen bonds can be preferentially sacrificed, and the hydrogen bonds can repair themselves, which greatly improves the service life of the material and improves the electrochemical property.The material can be used as a supercapacitor energy storage electrode material.

The utility model provides a kind of low-power MiniLED backlight control system, it is related to LED backlight technical field, including light bar, the both ends of the light bar are provided with connecting head, multiple electric connecting pins are provided in the inside of two connecting heads, multiple installation clamping grooves are set in the upper end of the light bar, multiple lamp holders are clamped in the inside of multiple installation clamping grooves, multiple electrode pieces are provided in the left and right sides of the lower end of multiple installation clamping grooves, multiple control chips are connected to the lower end of the light bar, multiple control chips are respectively located in the lower end of multiple installation clamping grooves, and electrically connected with the two electrode pieces of the lower end of installation clamping groove, and multiple control chips are electrically connected with multiple electric connecting pins of the front and rear sides, the utility model is provided with multiple-pin connecting head in the both ends of light bar, lamp holder is clamped with light bar by installation clamping groove, electrode piece is electrically connected with control chip, so that lamp holder can be individually repaired and replaced, reduce maintenance cost, and support quick assembly and flexible expansion.

The utility model relates to the technical field of electrolyzed water, and discloses a clamp for an electrolyzed water test, which comprises a clamping plate, two guide plates, a buffer wire mesh covered on the surfaces of the guide plates, a cathode electrode, an anode electrode and an ion transmission separator arranged between the cathode electrode and the anode electrode, through bolt holes are formed in the surfaces of the clamping plates, the two guide plates are arranged on the inner sides of the two clamping plates correspondingly, and the two guide plates are embedded into the grooves in the surfaces of the corresponding clamping plates correspondingly. The buffer silk screens and the guide plate form conductive contact; the cathode electrode and the anode electrode are respectively attached to the inner side surfaces of the two buffer silk screens; the ion transmission separator is configured to completely cover the cathode electrode and the anode electrode; the clamping plate, the guide plate, the buffer wire mesh, the cathode electrode, the anode electrode and the ion transmission separator are fastened through bolts to form a laminated sealing structure. The clamp can stably work in a high-temperature and strong-corrosion environment, the electrolytic reaction efficiency and the test result accuracy are improved, meanwhile, the repeated service life of the clamp is prolonged, and the experiment cost is reduced.

The utility model discloses a kind of moisturizing electrode, it relates to electrode technical field.The moisturizing electrode specifically includes: electrode layer and moisturizing inner core, the side of electrode layer is used to contact with skin, the other side is contacted with the moisturizing inner core, the moisturizing inner core includes permeation layer and lock wet layer.The moisturizing electrode provided by the utility model can realize the slow release of conductive medium or ion, so as to improve the conductivity efficiency and stability of electrode under dry condition.

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 invention relates to the technical field of electric connectors, in particular to a feed-through connector which comprises a feed-through insertion piece, a coaxial cable, a coaxial connector with the characteristic impedance of 50 ohms, an epoxy resin sealing layer and a connecting plug. The feed-through insertion piece is made of an insulating high-molecular polymer material and comprises an installation body, the installation body is provided with a first side and a second side which are oppositely arranged in the axial direction, an installation channel penetrating in the axial direction is formed in the installation body, and a plurality of bolt holes are formed in the installation body; the mounting channel comprises a first hole section and a second hole section which are sequentially communicated in the axial direction, the hole diameter of the first hole section is larger than that of the second hole section, and the connecting plug is fixedly arranged on the first side of the mounting body and coaxially and correspondingly arranged with the mounting channel; and stable coaxial transmission and sealing insulation effects can be realized while the mechanical connection reliability is maintained.

The present disclosure relates to the technical field of reactor, and one embodiment of the present disclosure provides a high-pressure reactor for directly recovering chemical energy to generate heat at the end of a reactor, which comprises a pair of high-pressure reactor housings, a spliced housing and a pair of conductive rods, the conductive rods are arranged in the high-pressure reactor housings and the spliced housing, the high-pressure reactor housings and the spliced housing are fixedly connected through a screw rod and a bolt, a flow blocking assembly is arranged at both ends of the high-pressure reactor housing, a filler supporting assembly is arranged between the conductive rods, a cylinder is arranged in the high-pressure reactor housing, the cylinder is externally sleeved with a blocking piece, the blocking piece is inserted with a sealing support block at both ends, and a pair of sealing support blocks are respectively supported at both ends of the cylinder. Through the above technical scheme, the technical problem of low heat transfer efficiency and large heat energy loss in the prior art that the traditional heat transfer mode is indirect heat transfer (such as jacket cooling and coil heat exchange) and heat is transferred through an intermediate medium is solved.

The utility model relates to a connector device capable of reducing connection space, and belongs to the technical field of battery connectors. The device comprises a wiring terminal, a conductive nut and a pressing rivet nut, a bent strip main body of the wiring terminal is laterally provided with a wire interface connected with a first wire, the bottom of the wiring terminal fixes a fuse and the pressing rivet nut through a bolt, and the pressing rivet nut is connected with a second wire. Through the integrated design of the bending structure of the wiring terminal and the fuse and the nut, the vertical layout of the two wires is realized, and the occupation of the transverse space is reduced by more than 50%. The device solves the problem of insufficient wiring space of the upper sealing cover of the sodium battery due to limitation of the bending radius of the lead, improves the space utilization rate and the connection reliability, and reduces the risk of short circuit through partition protection of the insulating layer.

The utility model discloses a railway track backflow device which comprises a conductive hook, and the conductive hook comprises a straight part and a bent part which are integrated. The outer side of the bending part of the conductive hook is fixedly provided with a wire sleeve, the wire sleeve is provided with at least one through hole, the outer side of the through hole is fixedly provided with a first nut which is matched with the axis of the through hole, and each first nut is provided with a first screw which is in threaded connection with the first nut. The first screws penetrate through the first nuts and the through holes, and the tail ends of the first screws abut against and are matched with stainless steel pressing sheets arranged in the wire sleeves. A clamping block is slidably arranged on the straight portion of the conductive hook, and a clamping groove is formed in the side, opposite to the bent portion of the conductive hook, of the clamping block. According to the utility model, the installation firmness of the return wire can be realized, and the conductive stability of the return wire during return operation is improved; and the operation method is simple and easy to implement, so that the installation efficiency of the return line is remarkably improved.

This utility model discloses an air-cooled fuel cell stack structure, relating to the field of proton exchange membrane fuel cell technology. It includes stacked single-cell units, each of which comprises a first bipolar plate, a second bipolar plate, a third bipolar plate, and a single-cell membrane electrode assembly. The first bipolar plate has a base plate, side plates, and ear plates, which surround and form a first receiving cavity and a second receiving cavity. The second bipolar plate is placed on the base plate and located within the first receiving cavity, and the third bipolar plate is placed on the second bipolar plate and located within the second receiving cavity. In this utility model, the first bipolar plate, through the combination of the base plate, side plates, and inwardly extending ear plates, forms the first and second receiving cavities. This constrains the second and third bipolar plates within predefined cavities, enhancing the overall vibration and shock resistance of the stack. It effectively prevents relative displacement of components due to vibration during dynamic applications, thereby reducing contact resistance and improving the stack's conductivity stability and operational reliability.

The utility model relates to the technical field of electrical connection in photovoltaic power generation equipment, and discloses a photovoltaic connector terminal which comprises a terminal body, the top of the terminal body is slidably connected with a retaining ring, a connecting mechanism is arranged in the retaining ring, the top of the connecting mechanism is fixedly connected with an insertion mechanism, and the insertion mechanism is fixedly connected with the terminal body. The connecting mechanism comprises a first connecting ring, the interior of the first connecting ring is connected to the interior of the retaining ring, the top of the terminal body is provided with a limiting assembly, the limiting assembly comprises a limiting sliding groove, the limiting sliding groove is formed in the top of the terminal body, and three arc-shaped hooks are slidably connected to the interior of the limiting sliding groove. According to the utility model, the automatic clamping is realized through the elastic deformation of the connection memory inclined rod, the axial tensile resistance is improved and the hook-shaped mechanical occlusion forms a secondary anti-loosening barrier through testing, and especially in a high-frequency vibration scene, the loosening risk can be reduced, and the problem of failure caused by metal fatigue of a traditional buckle is solved.

This utility model discloses an atomizing plate assembly with an elastic conductive structure, including an upper shell, a lower shell, an atomizing plate, an electrode post, a voltage-conducting sheet, an elastic conductive component, and a limiting structure. The upper and lower shells are snapped together, with the atomizing plate disposed between them, and a sealing ring between the atomizing plate and the shell. The top of the electrode post extends into the lower shell and is connected to the voltage-conducting sheet at the edge of the atomizing plate via the elastic conductive component. The elastic conductive component is a helical spring or a spring sheet, made of corrosion-resistant alloy or gold-plated material. A first limiting structure is provided between the electrode post and the elastic conductive component, and a second limiting structure is provided between the voltage-conducting sheet and the elastic conductive component, ensuring a contact pressure ≥0.5N and a contact resistance ≤0.1Ω. This assembly requires no welding, is easy to assemble and disassemble, has stable contact, is resistant to oxidation and corrosion, and has an extended lifespan, making it suitable for medical nebulizers, humidifiers, and other devices.

This utility model relates to the field of electrical connection components, and in particular to a novel aluminum busbar with a data acquisition structure. The busbar includes a main body with an integrally formed connecting portion. A data acquisition line is press-fitted onto the connecting portion. The connecting portion includes a connecting arm connected to the main body, and the connecting arm has a convex-groove structure formed by stamping. One end of the data acquisition line is press-fitted into the convex-groove structure. The inner surface of the convex-groove structure has an anti-slip texture, which can be a grid, stripe, or serrated pattern. The convex-groove structure includes a fixed edge and a folded edge, with the fixed edge connected to the connecting arm. This novel aluminum busbar with a data acquisition structure replaces the traditional laser welding process and the use of nickel plates for data acquisition by directly stamping the convex-groove structure onto the main body. This eliminates the cost of nickel plate procurement, investment in laser welding equipment, and manual welding procedures, significantly reducing material and process costs.

The utility model discloses a kind of walking massager and its conductive structure, and the conductive structure includes flexible circuit board, multiple conductive strips and probe group, flexible circuit board is fixed to guide rail along guide rail length direction, multiple conductive strips are interval arranged on its top surface, and multiple probes of probe group are contacted with corresponding conductive strip. Modularized conductive unit is formed by setting conductive strip on flexible circuit board, and realize electrical connection by cooperating with probe group on massager core, flexible circuit board can be directly installed on guide rail, realize "one plug use" type assembly, compared with multiple independent conductive strips, significantly improve assembly efficiency, reduce cost. At the same time, integrated conductive scheme replaces scattered conductive electrode, realizes efficient connection with massager core by flexible circuit board, simplifies assembly process, improves production efficiency, enhances the conductive stability of massager bending deformation, ensures the comfort and reliability of user experience.

The utility model provides a kind of fuse with novel temperature sensing body mounting structure, including shell, electrically conductive connecting piece is equipped in shell, first electrically conductive body, second electrically conductive body are equipped in the side of electrically conductive connecting piece, limiting cavity is equipped in the middle of the other side of electrically conductive connecting piece, first elastic deformation body and organic temperature sensing body are equipped in the limiting cavity.In the utility model application, first electrically conductive body, second electrically conductive body and electrically conductive connecting piece form U type electrically conductive path;Through the cooperation of first elastic deformation body and organic temperature sensing body, reliable fusing function is realized;The utility model improves the electrically conductive stability, reduces the influence of current, temperature and other factors on organic temperature sensing body, is suitable for high current application scene, further strengthens the accurate control to organic temperature sensing body;The middle of the side of electrically conductive connecting piece is specially provided with the limiting cavity that contains organic temperature sensing body, organic temperature sensing body does not need to occupy the space of entire electrically conductive connecting piece side, while effectively reducing the volume of organic temperature sensing body, reliable fusing can also be ensured, and compared with traditional fusing structure, the technical scheme of the utility model has low processing technology requirement, reduces production cost.

The application discloses a lithium niobate-based surface acoustic wave sensor and a preparation method thereof. The sensor is composed of an alumina lower protective layer, a lithium niobate piezoelectric layer, an AlN transition layer, an interdigital transducer (IDT), a reflective grating, and an alumina upper protective layer to form a sandwich multilayer structure. The interdigital transducer is made of a high-temperature-resistant metal. The device has a simple structure and can effectively monitor temperature. Through the synergistic design of the multilayer sandwich structure, the AlN transition layer and the high-temperature-resistant metal electrode, the device can adapt to a high-temperature complex environment, is wireless and passive, has strong stability, can widen the upper temperature limit of the lithium niobate-based temperature sensor, and effectively improves the performance and service life of the lithium niobate-based temperature sensor.

The invention discloses a thin plate low-splashing high-frequency spot welding device and process, and relates to the technical field of resistance spot welding, the device comprises a high-frequency inversion direct-current spot welding power source, a precision servo pressurization mechanism, an integrated control unit, an upper electrode and a lower electrode, the upper electrode and the lower electrode are electrically connected with the high-frequency inversion direct-current spot welding power source through a welding machine, and the high-frequency inversion direct-current spot welding power source is electrically connected with the precision servo pressurization mechanism. The integrated control unit is in electric signal connection with the high-frequency inversion direct-current spot welding power supply and the precise servo pressurizing mechanism; according to the invention, the extremely high response speed of the high-frequency inverter power supply is utilized to realize the accurate reproduction and control of the current waveform based on the continuous smooth function model, so that the real'flexible 'heating with no step and infinite slope change is realized on heat input, and the generation condition of splashing is completely eradicated from the source in combination with the dynamic pressure control which is accurately coordinated with the real'flexible' heating.

The application discloses a battery box structure convenient to maintain, which comprises a box body, a battery pack and a wire holder. The box body is internally provided with a placing area. The battery pack is arranged in the placing area and comprises a plurality of battery modules. Two adjacent battery modules are connected in series through a conductive connecting piece. Each battery module is provided with a positive electrode lead column and a negative electrode lead column on the upper side, and two guide rings are arranged on the upper side of the battery module. The positive electrode lead column and the negative electrode lead column are arranged in the center of the guide ring in a one-to-one correspondence mode. The inner sidewall of the guide ring is a guide inclined surface. Two conductive sleeves are arranged on the lower side of the conductive connecting piece. The lower end of the conductive sleeve is provided with a conductive elastic sheet along the circumferential edge in a spaced mode. The positive electrode lead column and the negative electrode lead column are matched and inserted into the conductive sleeve in a one-to-one correspondence mode. The conductive elastic sheet is abutted against the guide inclined surface, so that the conductive elastic sheet is deformed to be abutted against the positive electrode lead column or the negative electrode lead column to realize conduction. The wire holder is movably arranged on the box body above the battery pack.

The utility model provides an electric connection assembly with stable contact resistance, which adopts an eccentric design and comprises a metal spring and a metal conductor, the metal spring has compression elasticity, and the metal conductor is arranged in the metal spring in a penetrating manner and moves along the direction of a central shaft of the metal spring. The metal conductor is provided with a contact structure with an asymmetric appearance, and the contact structure is sleeved in the metal elastic tube. When the metal conductor moves, one side of the contact structure is in stable contact with the inner side wall of the metal spring to generate stable contact resistance.