215results about "Connection contact member material" patented technology

To provide a connector which can suppress galvanic corrosion between terminals.SOLUTION: A connector comprises: a first tabular terminal 21 having a fitting hole 27; a second terminal 51; a relay terminal 30 provided between the first terminal 21 and the second terminal 51; and a bolt member 40 which fastens and fixes the first terminal 21, second terminal 51, and the relay terminal 30 to one another. The first terminal 21 and the second terminal 51 are made of different types of metal. The relay terminal 30 is made of metal whose ionization tendency is in the middle of those of the first terminal 21 and the second terminal 51. The first terminal 21 has an oxide film on the surface, of the first terminal 21, including an inner circumferential surface of the fitting hole 27. The relay terminal 30 has a press-in fixing part 32 which is pressed in and fixed to the fitting hole 27. The press-in fixing part 32 has: an insertion part 34 which is inserted into the fitting hole 27; and a protruding part 35 which protrudes from an outer circumferential surface of the insertion part 34 so as to scrape the oxide film on the inner circumferential surface of the fitting hole 27.SELECTED DRAWING: Figure 2

Implementations of the disclosure provide an electrical connector and an electrical system. The electrical connector includes a pair of covers, a plurality of insulators, and a plurality of conductive assemblies. The plurality of insulators are disposed between the pair of covers and spaced apart from each other to define a connection region for insertion of a busbar between adjacent insulators of the plurality of insulators. Each conductive assembly is disposed between corresponding adjacent insulators of the plurality of insulators and is coupled to one of the corresponding adjacent insulators. Each conductive assembly includes a metal substrate and a conductive connecting member. The conductive connecting member includes a contact plate. The contact plate is disposed on a side of the metal substrate facing towards the connection region and is coupled to the metal substrate.

The utility model provides a stainless steel olefin alloy ground wire lightning protection structure. The stainless steel olefin alloy ground wire lightning protection structure includes: alloy ground wire, two fixed rings, two fixed rings are installed in the both ends of alloy ground wire respectively, two fixed rings are opposite one end all fixedly connected with olefin alloy head, two olefin alloy heads another end all are equipped with the connecting assembly, two fixed rings adjacent one end all are fixedly connected with the butt joint ring, first insulating layer, first insulating layer is located in the inner surface of alloy ground wire, the alloy ground wire is from inside to outside in proper order for first stainless steel layer, multiple olefin alloy wire, filling layer, second stainless steel layer, flame -retardant layer, buffer layer and second insulating layer. The utility model provides a stainless steel olefin alloy ground wire lightning protection structure, through this design has increased the lightning protection performance of stainless steel olefin alloy ground wire, has reduced the probability that the stainless steel olefin alloy ground wire is hit by lightning and is damaged.

This utility model discloses a grounding device for electrical equipment in a hydropower plant, belonging to the field of electrical equipment grounding technology. It includes a mounting plate, with a grounding rod body fixedly connected inside the mounting plate. A protective cover is provided on the top of the mounting plate. A connecting component for connecting to a grounding jumper wire is provided outside the grounding rod body. An auxiliary installation mechanism is provided outside the mounting plate to assist in installation and adjust the installation position. This utility model effectively solves the problems of existing grounding devices where the grounding nail installation position is fixed and difficult to adapt to different installation environments, and the gap between the protective cover and the grounding jumper wire leading to ineffective positioning and susceptibility to impurities affecting the grounding effect.

The application relates to a conductive polymer-based composite grounding device, which comprises a buried box, the buried box is buried below the ground, an internal part of the buried box is provided with a grounding body, the grounding body comprises a conductive polymer shell and a composite metal core arranged in the conductive polymer shell; and a driving assembly is used for driving the grounding body to enter the ground. The application has the advantages that by arranging the grounding body, the grounding device can form a continuous conductive path by taking the conductive polymer as a matrix when actually grounding, can effectively enhance the mechanical strength and corrosion resistance of the grounding body through the columnar conductive polymer shell, can improve large-current release by taking the built-in composite metal core as a supporting structure, and can ensure the effect of stable current conduction by forming a three-dimensional conductive network through the conductive phase and the reinforcing phase in the composite system.

This invention relates to the field of live-line replacement technology for power installations, and discloses a highly reliable live-line replacement device and method for signal lights, aiming to improve the safety and reliability of signal light replacement operations. The device includes a covered enclosure with an integrated display screen, positive and negative terminals and grounding wiring sockets, an audible and visual alarm, and an operating panel for a miniature air switch. Inside the enclosure are a control unit and a power supply unit, along with a dedicated connecting cable assembly. The control circuit board of the control unit integrates voltage detection and display modules. The power supply unit adopts a dual power supply mode combining a battery and a charging management module. The fully insulated alligator clips of the connecting cable assembly are conductive only at the clamping points, with the rest insulated. The method completes the operation through the steps of starting the device, constructing a grounding protection circuit, establishing and verifying the voltage monitoring circuit pole by pole, replacing the signal light while it is energized, restoring the wiring in sequence, and finally storing the device. The voltage is monitored in real time throughout the process, and abnormal audible and visual alarms are set.

The application provides a lightning protection grounding device and method for high-altitude network equipment, and relates to the technical field of lightning protection grounding. The device comprises a first shielding port and a lightning protection assembly, which are arranged in the body of the high-altitude network equipment, and a first metal shielding cover is electrically connected with the lightning protection assembly. A second shielding port is arranged in a ground terminal equipment, a second metal shielding cover is connected with a grounding body, and the grounding body is buried in the ground. When the two ends of a shielding network cable are respectively plugged into the first shielding port and the second shielding port, the shielding layer of the shielding network cable is electrically connected with the first metal shielding cover and the second metal shielding cover. The lightning protection assembly is used for guiding the surge current generated by lightning to flow through the first metal shielding cover, the shielding layer of the shielding network cable, the second metal shielding cover and the grounding body in sequence and be introduced into the ground. The technical scheme of the application can improve the long-term stability of lightning protection grounding.

The application discloses a high-temperature superconducting conductor and a preparation method thereof, and relates to the technical field of high-temperature superconductivity, wherein the conductor comprises an inner pipe body and an outer pipe body arranged coaxially, a liquid nitrogen convection cooling zone is formed in the inner pipe body, and a vacuum heat insulation cavity is formed between the inner pipe body and the outer pipe body. By forming the liquid nitrogen convection cooling zone in the inner pipe body and the vacuum heat insulation cavity between the inner pipe body and the outer pipe body, the liquid nitrogen can directly soak the superconducting cable for efficient heat exchange, the vacuum heat insulation cavity effectively blocks the radial conduction of environmental heat to the inner pipe body, and the heat load of the refrigeration system is greatly reduced; by electrically connecting the low-temperature end electrode and the superconducting cable and connecting the room-temperature end electrode and the low-temperature end electrode in series to form a loop, the room-temperature end electrode is avoided from directly contacting the superconducting cable, the axial heat leakage along the electrode is reduced, and one end of the liquid nitrogen cooling pipe is communicated with the inner pipe body and the other end of the liquid nitrogen cooling pipe extends to the outside through the outer pipe body, so that the stable supply and the sealing reliability of the liquid nitrogen are ensured.

The application discloses a false operation preventing mechanical locking device of a substation grounding wire, which comprises a device locking end, a grounding locking end and a connecting pipeline connected between the two ends, the device locking end and the grounding locking end are respectively used for connecting a device and a grounding end, the device is provided with a device connecting rod used for being connected with the device locking end, a device connecting port used for being connected with the grounding wire and a cover plate assembly used for sealing the device connecting port, the grounding end is provided with a grounding connecting rod used for being connected with the grounding locking end and a grounding connecting port used for being connected with the grounding wire, in the process that the grounding wire is connected with the grounding connecting port, the grounding wire is contacted with the grounding locking end and drives the grounding locking end to act, the grounding locking end drives the device locking end and the cover plate assembly to act through the connecting pipeline, the device connecting port is exposed, the sequence of first grounding and then connecting the device is forced, false operation of the grounding wire operator is effectively prevented, and personal and device safety is ensured.

A connection structure of a wire harness enables the wire harness to be severed in the event of a vehicle collision. End portions of electric wires are respectively provided with connection end portions in which conductors of the end portions have been subjected to fusing processing, the connection end portion has an extension portion and a protruding portion, the protruding portion is at least partially provided with a tapered portion, the connection end portions are integrally connected to each other by crimping the extension portions from the radial-direction outer side by the connecting member, and at the connection end portion, the crimping of an extension portion to press the tapered portion inserted in a concave portion causes the engagement force between the extension portion and the connecting member to become weaker than the engagement force between the extension portion and the connecting member when applying tension to the electric wires.

A grounding structure and electrical equipment. The electrical equipment comprises a case (1) having a grounding requirement and a functional device (2) at least partially disposed outside the case (1); the grounding structure comprises at least one grounding connecting portion (3), and the grounding connecting portion (3) is disposed on the housing wall of the part, located outside the case (1), of the functional device (2); and the housing wall of the functional device (2) is conductively connected to the case (1). According to the grounding structure, in the practical application process, the grounding connecting portion (3) is arranged on the housing wall of the functional device (2), and the housing wall of the functional device (2) is conductively connected to the case (1), so that the grounding requirement of the case (1) of the electrical equipment can be satisfied, the internal space of the case (1) does not need to be occupied, i.e., the safety space between the grounding connecting portion (3) and electrical components in the case (1) does not need to be considered, and thus the miniaturization of the case (1) is facilitated.

This application provides a contact conduction structure and an electronic device. The contact conduction structure includes: a spring piece welded and fixed to a circuit board, the spring piece having a grounding contact movable relative to the circuit board; the grounding contact and a housing can form an elastic contact, thereby creating a grounding path between the circuit board and the housing; the spring piece has a preset elastic deformation range, and there is a variable assembly gap between the surface of the housing used to abut the grounding contact and the surface of the circuit board used to weld and fix the spring piece; the assembly gap does not exceed the elastic deformation range, so that the grounding contact can abut against the housing even as the assembly gap changes. This contact conduction structure, using a spring piece design, enables a sufficiently effective ground between the circuit board and the housing, thereby eliminating high-frequency noise and electrostatic interference in the circuit board through grounding. This not only reduces the risk of damage to the circuit board due to electrostatic discharge but also improves the reliability of the electronic device.

According to an embodiment, an apparatus includes a first HTS tape and a second HTS tape, each having at least one axial end with a diagonal cut. The diagonal cut of the axial end of the first HTS tape is abutting the diagonal cut of the axial end of the second HTS tape at a junction. A first copper lap is disposed on a first outside surface of the first HTS tape and a first outside surface of the second HTS tape, covering the junction. A second copper lap is disposed on a second outside surface of the first HTS tape and a second outside surface of the second HTS tape, opposite to the first outside surface, also covering the junction.

A bus bar structure includes a first bus bar and a second bus bar that are abutted against each other and joined in a width direction or a length direction. The first bus bar includes a first bus bar body and a first thin end portion provided to be thinner than the first bus bar body. The first thin end portion is curved in a thickness direction. The first thin end portion of the first bus bar and an end portion of the second bus bar are abutted against each other and joined.

A connector grounding structure includes: a connector including a first connector part and a second connector part connectable to each other; and a grounding component. The first connector part has an outer circumferential surface portion that protrudes and a first step surface extending radially outward from a base end thereof. The second connector part has an inner circumferential surface portion connectable to the outer circumferential surface portion and a second step surface extending radially outward from a tip end thereof. The grounding component has an insertion portion that is electrically conductive and into which the outer circumferential surface portion is insertable. In a state where the outer circumferential surface portion is inserted into the insertion portion and connected to the inner circumferential surface portion without the grounding component intervening, the connector can hold the insertion portion between the first step surface and the second step surface.

The invention discloses a distribution network grounding operation safety state intelligent early warning and measurement and control system and method. The system comprises an intelligent jointing clamp, an intelligent grounding pin and a visual monitoring platform. The intelligent jointing clamp is integrated with a pressure sensing module used for sensing the hooking state of the intelligent jointing clamp and a wire, a positioning module used for conducting grounding point space positioning, and a safety authentication module used for equipment identity authentication. The intelligent grounding pin is integrated with a posture sensing module used for monitoring the embedding posture of the grounding pin, a depth measuring module used for measuring the embedding depth of the intelligent grounding pin, and a vibration sensing module used for identifying the impact characteristic in the embedding process of the intelligent grounding pin. And the visual monitoring platform is used for receiving the multi-modal sensing data uploaded by the intelligent jointing clamp and the intelligent grounding pin, and performing diagnosis and early warning of the grounding operation state according to the multi-modal sensing data. According to the invention, by constructing an end-edge-cloud collaborative system architecture, the operation and maintenance security of the power system is improved.

This invention discloses a cable connector with multiple grounding methods and a grounding method for the cable connector. The cable connector includes a prefabricated rubber component, a terminal block, and a protective shell. The prefabricated rubber component is sleeved on the outside of the insulation layer of two main cables, with both ends overlapping the outer shielding layer of the two main cables. The terminal block is connected to the grounding cable and the aluminum / copper wire shielding layers of the two main cables, respectively. The protective shell is sleeved on the outside of the terminal block and the prefabricated rubber component. The end of the protective shell has a main opening for the main cable to extend and a grounding opening for the grounding cable to extend. A waterproof sealant layer fills the inside of the protective shell. The cable connector with multiple grounding methods and the grounding method of this invention connect the grounding cable and the aluminum / copper wire shielding of the main cables through the terminal block. For different grounding cables, the connection can be changed only by changing the connection between the terminal blocks, which is flexible and versatile, and the installation process is simple and convenient.

To provide a busbar structure and busbar that can be manufactured at a low cost even if deformation or dimensional errors occur in the busbar. [Solution] The busbar structure 10 consists of two busbars 11 and 12, each having a busbar body 13 and 14 and a thin end portion 15 and 16 that is thinner than the busbar body 13 and 14. The thin end portions 15 and 16 are curved in the thickness direction. The busbars 11 and 12 are joined by abutting the thin end portions 15 and 16 together.

The invention relates to a high-voltage system comprising: - a high-voltage line (1) with a conductor (2), an inner insulation (3), a shield (4) in the form of a braided shield, and an outer insulation (5), - a plug and / or screw connector (6) comprising a shield sleeve (8) contacted with the shield (4) and extending from one end of a housing (7) with at least one contact spring, a conductor pin (9) contacted with the conductor (2) and extending from the end of the housing (7), and insulation (10) between the shield sleeve (8) and the conductor pin (9), - a high-voltage unit comprising a unit housing (11), a busbar (13) and a pin tray with a busbar contact (12) contacted with the busbar (13) and a housing contact (14) contacted with the unit housing (11), wherein the conductor pin (9) is contactable with the busbar contact (12), wherein further insulation (15) is arranged between the housing contact (14) and the busbar contact (12), wherein the shield sleeve (8) is contactable with the housing contact (14), wherein the shield (4) of each high-voltage line (1) is connected to a housing of at least one power distribution unit (24), wherein the housing of the at least one power distribution unit (24) is connected to a chassis (23) or frame (23) via a potential equalization cable (21).

The application discloses a ground wire porcelain insulator with fixed discharge gap and relates to the technical field of power transmission and distribution equipment.The ground wire porcelain insulator comprises a porcelain piece, an iron cap fixedly connected to the upper side of the porcelain piece, a steel foot fixedly connected to the lower side of the porcelain piece, a clamp sleeved with the outer side of the iron cap, an upper electrode installed on the outer side of the clamp through a bolt assembly, a lower electrode installed on the lower side of the steel foot through the same bolt assembly, a groove type upper side of the iron cap, a cylindrical pin and a split pin installed in the iron cap, two groups of protrusions fixedly connected to the side wall of the steel foot and a plurality of groups of gaskets adhered to the outer side of the steel foot.The recess on the outer wall of the iron cap not only considers the aesthetic property, but more importantly, the practicality.The reasonable depth and width of the recess ensure that the mechanical strength of the iron cap is not affected, and the design greatly enhances the overall stability and reliability of the insulator.

The application discloses a lightning protection grounding net connecting mechanism of a booster station, which comprises a connecting mechanism, a first connecting part and a second connecting part, which are respectively arranged in an extensible mode at two ends of the connecting mechanism, are mutually attached at one end in the connecting mechanism and are provided with limiting grooves, are connected with ground wires at the other end outside the connecting mechanism, and a locking mechanism which is vertically arranged at the opposite end of the first connecting part and the second connecting part and penetrates through the corresponding limiting grooves. The first connecting part and the second connecting part are continuously attached by the locking mechanism, the loosening problem caused by soil settlement, freeze-thaw cycle and external force vibration is effectively eliminated, the grounding failure caused by the sudden increase of contact resistance is avoided, the sound and light alarm can be driven by the electromagnetic induction of lightning current and fault current, the grounding failure can be timely warned, and the equipment damage and personal safety accidents can be avoided.

The application belongs to the field of new energy and relates to a grounding method, in particular to a grounding method for a sea photovoltaic field area and a grounding net for the sea photovoltaic field area. The grounding method comprises at least a concrete pipe pile 9, a sea grounding net 11 and a solar panel 8, the concrete pipe pile 9 is internally provided with a conductive grounding carrier 15, a fastener 16 for fixing the solar panel 8 and the concrete pipe pile 9 is arranged to electrically connect the upper end conductive grounding carrier 15 of the solar panel 8 and the concrete pipe pile 9 and fix the solar panel 8 and the concrete pipe pile 9, the lower end conductive grounding carrier 15 of the concrete pipe pile 9 is electrically connected with the sea grounding net 11 and the lower end of the concrete pipe pile 9 is fixed on the base of the sea grounding net 11 so that the concrete pipe piles 9 are fixed through the base of the sea grounding net 11, and the concrete pipe pile 9 is perpendicular to the sea level 18.

This utility model relates to the field of grounding equipment technology and discloses a ground anchor assembly for power grounding grids. It includes a grounding plate, a support frame welded to the top of the grounding plate, a hammer plate welded to the top of the support frame, and an anchor cylinder fixedly installed at the bottom of the grounding plate. The bottom end of the anchor cylinder is conical, and the interior of the anchor cylinder is hollow. Reinforcing components are movably installed on the side walls of the anchor cylinder. During installation, rotating the adjusting screw drives the lifting sleeve and the pressing cone block downwards, pushing two reinforcing protrusions out from the opening position, thereby enhancing the friction and stability between the anchor cylinder and the ground. When disassembling the entire ground anchor assembly later, rotating the adjusting screw in the opposite direction retracts the reinforcing protrusions into the anchor cylinder, reducing the friction between the anchor cylinder and the ground, thus facilitating the removal of the ground anchor assembly from the ground, avoiding damage to the ground anchor assembly, and meeting the needs for rapid disassembly and reuse of the ground anchor assembly.

This invention relates to the field of superconducting tape processing technology, specifically disclosing a superconducting tape joint with stable resistance and its preparation method. The tape joint sequentially comprises: a substrate layer, a buffer layer, a superconducting layer, an interface layer, a welding layer, and a stabilizing layer. The interface layer and the stabilizing layer are disposed on the side of the substrate layer away from the buffer layer, and the interface layer and the stabilizing layer are in a fully encapsulated state. The main phase of the superconducting layer is [missing information - likely a specific phase or property], with a value of 0-0.1. The superconducting layer also includes a pinning defect phase, which includes BaZrO₃ nanoparticles. The interface layer is a LaNiO₃ film. This invention replaces the Ag layer of the interface layer with a LaNiO₃ layer and introduces BaZrO₃ nanoparticles into the superconducting phase, improving the overall performance. Compared with traditional methods, the change in initial resistance is minimal, but the thermal cycling performance, including resistance shift and lifetime, is greatly optimized.

This invention discloses a circuit configuration that allows for space-efficient provisioning of anti-rotation protrusions for preventing rotation during fastening of electrical components. [Solution] The circuit configuration 10 comprises a busbar 14 having a fastening portion 20 that constitutes a current-carrying path 12, a case 16 that holds the busbar 14, and an electrical component 22 having a terminal portion 24 that is superimposed on and fastened to the fastening portion 20 of the busbar 14. The busbar 14 is integrally provided with an anti-rotation projection 26 that protrudes from the fastening portion 20 toward the terminal portion 24 and faces the electrical component 20, and when the terminal portion 24 is fastened to the fastening portion 20, it abuts against the electrical component 22 to prevent the rotation of the electrical component 22.

The purpose of the present invention is to cool an electroconductive medium more effectively. An electrical conduction device (20) comprises: an electroconductive tube (22); a first connection portion (30) connected to the electroconductive tube (22) at a first position (24); and a second connection portion (40) connected to the electroconductive tube (22) at a second position (26) that is separated from the first position (24) in the longitudinal direction of the electroconductive tube (22). The inner peripheral part of the electroconductive tube (22) has uneven portions (25, 27).