46 results about "Lead structure" patented technology

The utility model relates to a golden finger and an electroplating lead structure thereof, the golden finger comprises a first golden finger and a second golden finger which are arranged on a substrate, the first golden finger is connected with a lateral ground hole located in the first direction of the first golden finger, and the electroplating lead structure comprises an electroplating bus and an electroplating branch line; the electroplating bus is connected with at least part of the ground holes in one side of the golden finger in the first direction, and the electroplating branch line is connected with the second golden finger and the electroplating bus; the electroplating lead structure further comprises a blind hole used for disconnecting the electroplating branch line and the electroplating bus of the second golden finger. According to the electroplating lead structure, the electroplating branch lines between the second golden fingers and the electroplating bus are cut off through the blind holes, the performance of high-speed signals borne by the golden fingers is prevented from being affected, and meanwhile, due to the adoption of the blind hole structure, the structure of the other side face of the substrate cannot be damaged.

An electronic device includes a lead with a first portion that extends outward from a package structure and is coated with a dielectric film that extends to the side of the package structure, and an uncoated second portion that extends from the first portion to an end of the lead. A method includes forming a package structure to enclose an interior portion of a lead structure and coating an exterior first portion of the lead structure with a dielectric film that extends to a side of the package structure and leaving an exterior second portion of the lead structure uncoated.

This invention discloses a POP (Position-on-Pack) three-dimensional stacked interconnect substrate and its fabrication method, belonging to the field of printed circuit technology. It improves the design of the suspended lead structure and provides a new suspended lead fabrication process. By utilizing the pre-stack design scheme and combining the thickness tolerance of each layer material, the overall thickness of the substrate product is calculated. With the substrate thickness known, the excess substrate below and between the leads is removed by combining mechanical depth-controlled milling and laser etching. The combination of mechanical depth-controlled milling and laser etching reduces the processing flow of the suspended lead printed circuit substrate compared to the original process, thus improving operational efficiency.

This utility model relates to a low-voltage lead structure, specifically disclosing a low-voltage lead structure that can reduce the additional losses of a three-dimensional wound core transformer. It includes an a-phase low-voltage coil, a b-phase low-voltage coil, and a c-phase low-voltage coil. The starting terminals of each phase low-voltage coil are connected to the corresponding phase terminals via copper busbars. The ending terminals of each phase low-voltage coil are interconnected via copper busbars and connected to the 0-phase terminal. The phase terminals are arranged sequentially on the same side of the transformer where two phase low-voltage coils are located. The starting and ending copper busbars of the other phase low-voltage coil, located away from the plane containing the aforementioned terminals, are partially overlapped. This utility model features a simple lead busbar structure with minimal overall bending, meeting transformer performance requirements and offering high manufacturing efficiency. It is suitable for low-voltage lead structures in three-dimensional wound core transformers.

The utility model relates to a support assembly, an electromagnetic valve, a shock absorber and a vehicle, the support assembly comprises a support body, a lead structure, a first connecting piece and a second connecting piece, the support body is used for winding a coil, the lead structure and the support body are independently arranged, and an inlet wire and an outlet wire of the coil penetrate through the lead structure; the first end of the first connecting piece and the first end of the second connecting piece are connected to the support body, and the second end of the first connecting piece and the second end of the second connecting piece are connected with the lead structure. The first connecting piece and the second connecting piece of the support assembly are adjacent to the lead structure, good structural stability is achieved, deformation of the first connecting piece, the second connecting piece and the support body can be avoided, and therefore the support assembly can be assembled more easily, and magnetic fluctuation of the coil can be reduced.

The application relates to the technical field of electric wire connection, in particular to a substation current lead fixing device which comprises a current lead structure, the current lead structure comprises a wire body and overlapping members arranged at both ends of the wire body; a clamping mechanism arranged at the top of the current lead structure, the clamping mechanism comprises a positioning member and clamping members arranged at both ends of the positioning member; and a mechanical arm structure arranged at the side of the clamping mechanism; wherein the overlapping member comprises a clamping cylinder, the clamping cylinder is a cavity structure, the inside of the clamping cylinder is provided with a conductive sliding block, and the side of the conductive sliding block is provided with an overlapping hook. When the current lead needs to be overlapped, the mechanical arm moves together with the clamping mechanism and the current lead structure, the size can be reduced and then the position can be adjusted for overlapping when entering a narrow space, and the current lead can be overlapped conveniently and quickly by the overlapping member when the current lead is overlapped.

The application provides a segmented, leadless gold finger plate and a preparation method thereof. The method comprises the following steps: making an outer layer pattern on a copper-plated thickened substrate, adding temporary lead lines at the edges of the connecting plate in the gold finger area; after the film is removed, the gold-plated substrate is silk-screened with a wet film and exposed using a second circuit mask plate, and the temporary lead lines are etched and removed; a complete solder resist layer is made on the leadless segmented gold finger substrate using a second solder resist mask plate; and the substrate with the complete solder resist layer is subjected to gold plating treatment to obtain the segmented leadless gold finger plate. The gold finger lead line structure is eliminated, the impedance mutation problem caused by the lead line in the traditional process is eliminated, the high-density wiring space is released by combining with the precise green oil bridge design, the integrity and stability of high-speed signal transmission are greatly improved, and the risk of signal reflection and crosstalk is significantly reduced.

The utility model belongs to the technical field of gold ore exploration, and discloses a low-voltage lead structure of a transformer, which comprises a rectangular substrate, a transformer body fixedly connected to the top of the substrate, a sleeve and a wire mounting structure symmetrically and fixedly connected to the top of the transformer body, and the wire mounting structure is arranged on the wall surface of the transformer body and used for mounting a lead. The wire loading structure comprises an elastic box, a pressing block, a rotating block, a limiting arc and a connecting block, the elastic box is fixedly connected to the front wall surface of the transformer body, the pressing block is movably connected to the front wall surface of the elastic box, the rotating block is slidably connected to the front wall surface of the elastic box, the limiting arc is rotatably connected to the front wall surface of the rotating block, and the connecting block is also slidably connected to the front wall surface of the elastic box; according to the wire mounting structure, the lead is fixed on the front wall surface of the pressing block through a bolt arranged on the arc limiting wall surface, and one bolt arranged on the wall surface of the main rod is dismounted when the lead is dismounted.

The utility model relates to the technical field of gold finger position lead structures, in particular to a lead structure of a circuit board gold finger position, which comprises a circuit board body, a plurality of uniformly arranged gold finger bodies are arranged on the upper end face of the circuit board body, and a copper sheet positioned above the circuit board body is arranged at one end of each gold finger body. A main lead part is arranged at the rear end of the copper sheet, a plurality of auxiliary leads which are uniformly arranged and connected with the golden finger body are arranged at one end, close to the copper sheet, of the main lead part, an anti-oxidation layer is arranged in the circuit board body, and a graphene heat dissipation layer is arranged on the front end surface of the circuit board body; according to the utility model, the copper sheet has strong conductivity, so that the golden fingers cannot be directly damaged when the lead is stripped, the electric connection between the copper sheet and the circuit board can be improved through the subsequent welding of the golden fingers and the copper sheet, the subsequent use of the circuit board cannot be influenced, and meanwhile, the heat dissipation effect of the circuit board is improved through the reinforced heat dissipation structure layer of the circuit board.

An example lead-frame package, a method of manufacturing a lead-frame package, and an electrical system comprising a lead-frame package with improved conductive lead structure are provided. An example lead-frame package includes a semiconductor IC thermally coupled to a die pad. Molding material encloses the semiconductor IC defining a perimeter of the lead-frame package. A conductive lead is electrically connected to the semiconductor IC and exposed at a surface of the lead-frame package, the conductive lead having a proximal end and a distal end. The distal end of the conductive lead extends beyond the perimeter of the lead-frame package, the distal end bent vertically such that a solder wettable surface of the conductive lead is exposed in a lateral direction. The molding material further insulates the conductive lead from the die pad. A conductive lead recess is defined between the proximal end of the conductive lead and the die pad.

The utility model relates to transformer technical field, concretely is a kind of three-dimensional volume iron core transformer lead structure, including a phase coil, b phase coil and c phase coil, a phase coil, b phase coil and c phase coil three are equilateral triangle setting, and in the process of coil winding, it is wound more 1 / 3 turns to a phase coil, b, c phase coil is wound less 1 / 3 turns, the upper left corner of b phase coil is equipped with b phase head row, and the upper right corner is equipped with b phase tail row, the upper left corner of c phase coil is equipped with c phase tail row, and lower part is equipped with c phase head row, the lower part of a phase coil is equipped with a phase head row, and the upper right corner is equipped with a phase tail row, the included angle between all head, tail is 120 °, box cover is provided above coil, and 0 phase horizontal row is provided between a phase coil and c phase coil, the utility model can be connected by the arrangement and lead of low voltage bushing, without increasing lead copper bar section, secondly, the resistance of a, b, c phase coil can be kept basically consistent.

The invention relates to the technical field of vortex spinning yarn processing, in particular to an automatic spinning detection device which comprises a yarn guiding structure and a matched butt joint structure, and the side end of the yarn guiding structure is in butt joint communication with the matched butt joint structure; the thread guiding structure is used for guiding and conveying vortex spinning threads, the vortex spinning threads are guided to a first butt joint pipe through a thread guiding wheel and are guided to the position of a second butt joint pipe by making contact with a contact wheel, and the positions of a matching frame and a guiding mechanism are changed through stretching and retracting of an electric control hydraulic rod, so that the guiding mechanism drives the broken vortex spinning threads to be in butt joint again; the contact wheel is matched with the butt joint structure and used for broken yarn detection work, vortex spinning yarn is guided through the upper end of the contact wheel, the contact wheel is extruded, the contact wheel moves on the spring rod, the pressure sensor carries out pressure detection, and when the yarn is broken, the pressure sensor cannot detect pressure, and alarm processing is carried out through the alarm. Through the arrangement of the structure, the purpose of conveniently processing vortex spinning yarns is achieved.

The utility model discloses a patch lead of an electronic component, which comprises a lead main body, at least one rectangular soldering lug is welded and fixed on the inner side wall of the lead main body, and the distance between the outer side wall of the soldering lug and the inner side wall of the lead main body is 0.07-0.15 mm. According to the utility model, the soldering lug is directly welded and fixed on the inner side wall of the lead, so that the size and the position of the soldering lug are fixed, a uniform tin layer of which the thickness tolerance is less than or equal to + / -0.05 mm is just formed between the lead and the component main body when the lead is welded with the component main body, and the lead and the component main body are firmly combined into a whole; therefore, the assembly quality of the electronic component is ensured. Moreover, after the lead structure is adopted, a welding machine can be adopted to weld the lead and the component main body, so that the processing efficiency is improved, and the stability of the welding quality is ensured.

The utility model discloses a fan motor lead structure, which comprises a motor body, one side of the motor body is provided with a wire passing hole for a lead to pass through, and the fan motor lead structure is characterized in that a wire clamp is detachably inserted in the wire passing hole, and the outer side of the motor body is in threaded connection with a pressing sleeve capable of abutting against the wire clamp; wherein the wire clamp comprises a wire protecting lantern ring and a plurality of clamping pieces, the plurality of clamping pieces are distributed on one side of the wire protecting lantern ring at intervals along the circumference, the clamping pieces can perform elastic deformation movement relative to the wire protecting lantern ring, a clamping area is formed among the plurality of clamping pieces, and inclined grooves are formed in the sides, deviating from each other, of the plurality of clamping pieces in an inwards concave mode. The wire passing hole is provided with a plurality of protruding parts at intervals along the circumference, the protruding parts and the inclined grooves are in one-to-one correspondence, embedded and matched, and the protruding parts can abut against the inclined grooves so that the clamping pieces can deform to be clamped on the lead.

The utility model provides a N pole external wire structure of leakage circuit breaker. Mainly solve the current leakage circuit breaker's conductive plate and current transformer wire do not isolate the problem. Its characterized in be further including conductive plate (7), with second wire (12) between the connection of conductive sheet, one end is used for external wire, baffle (6) is detachably installed in the shell, the upper end surface of baffle is equipped with the wire slot (61) for the first wire passing, and the wire board is located below the baffle. The utility model provides a N pole external wire structure of leakage circuit breaker, and the wire of external conductive plate and current transformer is separated through baffle, and use is safer.

An example lead-frame package, a method of manufacturing a lead-frame package, and an electrical system comprising a lead-frame package with improved conductive lead structure are provided. An example lead-frame package includes a semiconductor IC thermally coupled to a die pad. Molding material encloses the semiconductor IC defining a perimeter of the lead-frame package. A conductive lead is electrically connected to the semiconductor IC and exposed at a surface of the lead-frame package, the conductive lead having a proximal end and a distal end. The distal end of the conductive lead extends beyond the perimeter of the lead-frame package, the distal end bent vertically such that a solder wettable surface of the conductive lead is exposed in a lateral direction. The molding material further insulates the conductive lead from the die pad. A conductive lead recess is defined between the proximal end of the conductive lead and the die pad.

The utility model discloses a cable leading device for an electric appliance cabinet, which comprises an H-shaped back seat and right-angle seats welded on the outer walls of the left side and the right side of the H-shaped back seat, the right-angle seats are bolted with the electric appliance cabinet, and a double-roller cable inlet structure used for assisting cables and reducing friction force is arranged in the H-shaped back seat. A hollowed-out part is arranged at the center of the surface of the H-shaped back seat, and a V-opening wire leading structure is arranged on the outer wall of the side, away from the double-roller wire inlet structure, of the right-angle seat. According to the utility model, the contact area and friction force between the cable and the cabinet hole are reduced, so that the integrity of the cable is effectively protected, the service life of the cable is prolonged, when the cable passes through the V-opening lead structure, the V-opening lead structure can keep the cable at a stable position, and the cable is prevented from being twisted or bent in the lead process.

The invention relates to an electronic device with lead insulation. An electronic device (100) includes a lead (109) with a first portion (115) extending outwardly from a package structure (108) and coated with a dielectric film (114) extending to a side (103, 104) of the package structure (108), and an uncoated second portion (116) extending from the first portion (115) to an end of the lead (109). A method (200) includes forming (206) a package structure (108) to enclose an inner portion (118) of a lead structure (109) and coating (214) an outer first portion (115) of the lead structure (109) with a dielectric film (114) extending to one side (103, 104) of the package structure (108) and uncoating an outer second portion (116) of the lead structure.

The utility model discloses an improved foundation pit elevation guiding and measuring structure which comprises a guiding and measuring scale and a guiding and measuring supporting assembly keeping the guiding and measuring scale vertical, the bottom of the guiding and measuring scale is connected with a balance weight ball, the guiding and measuring supporting assembly comprises a spherical sleeve, an annular base, an internal thread base and a positioning rod, and the spherical sleeve is movably connected into the annular base. The foundation pit elevation guiding and measuring device has the advantages that when the foundation pit elevation guiding and measuring device is used for guiding and measuring the elevation of a foundation pit, the spherical sleeve on the guiding and measuring supporting assembly can freely slide in the annular base, the self weight of the guiding and measuring ruler matched with the balance weight ball body is reasonably utilized, and the foundation pit elevation guiding and measuring device can be used for guiding and measuring the elevation of the foundation pit. The guiding and measuring scale can be automatically erected, time and labor are saved, the vertical precision is high, and therefore the foundation pit elevation guiding and measuring precision can be effectively improved.

The utility model relates to a kind of lead structure for reducing oil-immersed station low voltage DC resistance unbalance rate, including a-phase lead wire, b-phase lead wire, c-phase lead wire and 0 line, the c-phase lead wire is sequentially provided with lead wire resistance Rcc', coil DC resistance Rc'z, lead wire resistance Rz0', the b-phase lead wire is sequentially provided with lead wire resistance Rbb', coil DC resistance Rb'y, lead wire resistance Ry0', the a-phase lead wire is sequentially provided with lead wire resistance Raa', coil DC resistance Ra'x, lead wire resistance Rx0', the 0 line is provided with lead wire resistance R0'0, the lead wire resistance Rz0', lead wire resistance Ry0', lead wire resistance Rx0' are connected with the lead wire resistance R0'0.The utility model reduces DC resistance unbalance rate, reduces the copper row consumption, reduces cost.

The application relates to a lead wire structure for testing an aero-engine on an intermediate casing, comprising an outer casing with an outer casing opening, an inner casing arranged in the outer casing and provided with an inner casing opening, a plurality of supporting plates arranged between the outer casing and the inner casing in a circumferential direction, one of the supporting plates being a cavity supporting plate, the cavity supporting plate being internally connected with the outer casing opening and the inner casing opening, a lead wire tube arranged in the cavity supporting plate, a sealing pressing plate arranged on the inner side of the inner casing and provided with a lead wire hole and an annular switching protrusion, the annular switching protrusion surrounding the lead wire hole and extending into the cavity supporting plate from the inner casing opening and being connected with one end of the lead wire tube, a lead-out tube with one end extending into the cavity supporting plate from the outer casing opening and being connected with the other end of the lead wire tube, a grommet sleeved on the outer periphery of the lead-out tube, and a nut threadedly connected on the lead-out tube, the nut being used for pressing the grommet against the outer side of the outer casing and making the sealing pressing plate abut against the inner side of the inner casing.

The invention discloses a power line composite cross arm device and a cross arm lead structure, and belongs to the technical field of composite cross arms. An electric power line composite cross arm device and a cross arm lead structure, the electric power line composite cross arm device comprises a composite cross arm main body, an embedded part and an installation assembly, the composite cross arm main body is provided with an installation part and at least one cantilever part extending outwards, the installation assembly is arranged on the installation part and is used for fixing the composite cross arm main body on a tower, and the embedded part is embedded in the cantilever part. According to the electric power circuit composite cross arm device and the cross arm lead structure, the corrosion problem is eradicated through the all-insulation composite material, the embedded part and the composite material form rubber bolt composite connection through the anchoring structure with the through hole, the reliability is extremely high, and the overall structure is long in service life and free of maintenance; the built-in spiral lead channel changes the power lead from external exposure to internal protection, and eliminates the safety spacing required by an external jumper.

The invention provides a packaging tube for bearing integrated circuits of two lead structures, which can be simultaneously adaptive to integrated circuit packaging structures of a single flat pin, a single downward bending pin and two combined pins, and is good in universality. The pipe body structure extends in the length direction and comprises a left side edge, a right side edge, a left side edge and a right side edge in the longitudinal section state. The upper composite edge comprises an upper left side horizontal edge, a lower groove and an upper right side horizontal edge, the upper left side horizontal edge and the upper right side horizontal edge are connected through the lower groove, and the bottom edge of the lower groove is horizontally arranged; a right side edge; the lower composite edge comprises a lower left side horizontal edge, an upper convex groove and a lower right side horizontal edge, the lower left side horizontal edge and the lower right side horizontal edge are connected through the upper convex groove, and the convex groove top edge of the upper convex groove is horizontally arranged; and a lower convex limiting rib.

The utility model discloses an extra-high voltage resistor with a through hole lead structure suitable for an oil immersion working condition, and belongs to the technical field of resistors. The resistor comprises a ceramic substrate, the thickness of the ceramic substrate is 2 mm, and circular lead through holes are symmetrically formed in the two ends of the ceramic substrate; a lead penetrates through the circular lead through hole, a nail head is arranged at the front end of the lead, and the nail head and the ceramic substrate form mechanical limiting fit; silver electrode layers are printed on the two end faces of the ceramic substrate and extend to the periphery of the circular lead through hole, and the lead and the silver electrode layers are welded and fixed; a snakelike resistance tape is printed on the surface of the ceramic substrate, and two ends of the snakelike resistance tape are conductively connected with the silver electrode layer; the surfaces of the snakelike resistance tape and the silver electrode layer are covered with an encapsulation film, and the encapsulation film is a benzyl toluene resistant organic material dielectric film coating. The resistor disclosed by the utility model is reasonable in structural design and can better adapt to an extra-high-voltage benzyl toluene oil immersion working condition.

The application provides a 35kV transformer, a low-voltage lead structure of a short-circuit-resistant electric reactor, comprising: a wiring copper bar, a zero-phase copper bar and a lead insulation part; the zero-phase copper bar is located below the wiring copper bar, the lead insulation part is arranged between the wiring copper bar and the zero-phase copper bar and is used for connecting the wiring copper bar and the zero-phase copper bar; the lead insulation part is provided with two insulators; the wiring copper bar comprises: an a-phase copper bar, a b-phase copper bar and a c-phase copper bar, and the zero-phase copper bar is detachably connected with the a-phase copper bar, the b-phase copper bar and the c-phase copper bar through the insulators. The wiring copper bar and the zero-phase copper bar are fixed through the double insulators, the stability of the low-voltage winding and the core is enhanced, the creepage distance is increased through the double insulators, the risk of electrical breakdown is reduced, when one of the insulators fails, the other insulator can still support the conductor, the system is prevented from being completely disabled, the short-circuit-resistant requirement is achieved, the phase bar is bent and formed into an outlet, welding is avoided, and the reliability is high.

The application discloses a kind of based on predator mechanism's no navigation structure group confrontation method, including steps Step1.Acquire no navigation structure group information;Step2.Analysis no navigation structure group movement model;Step3.Develop predator movement model;Step4.Predator implements the destruction to group structure;Step5.Determine confrontation effect;The above-mentioned method of the application describes the communication characteristics and cooperative behavior characteristics of no navigation structure group by analyzing fish school emergence mechanism and movement model, and a corresponding predator model is designed accordingly, and the cohesion and centripetal property of no navigation structure group are destroyed by the predator, to realize the effective confrontation to the whole no navigation structure group.The predator model proposed in the application is simple, can realize the effective confrontation to no leadership structure group with point-to-surface, and has the advantages of high confrontation efficiency ratio.

The utility model belongs to the technical field of bed mat, concretely relates to air bag bed mat of safe wiring, and the heating lead structure of existing air bag bed mat is not reasonable, the utility model adopts the following technical scheme: air bag bed mat of safe wiring includes: inner cover, including upper cavity, lower cavity and intermediate partition layer, the intermediate partition layer divides the inner cover into upper containing space and lower containing space, and the line hole is set up on the intermediate partition layer, heating element is located in the inner top surface of upper cavity, controller is located in the lower containing space, heating lead connects heating element and controller, heating lead includes the first section of being located in heating element and the inner top surface edge of upper cavity, the third section of being located in the inner side of upper cavity and the fourth section of being located in the lower surface of intermediate partition layer, and the edge of intermediate partition layer and the lower surface of partition layer are equipped with wire binding part, the utility model has the advantages of: the lead is along the inner cover wiring and is limited and is neat through wire binding part, avoids or reduces the displacement of lead in use.

The utility model provides a coil lead structure used for a claw pole type permanent magnet synchronous motor, and the technical scheme is characterized in that the coil lead structure comprises a coil holder and a motor lead, one end of the coil holder is provided with a boss, and two ends of the boss are respectively provided with a first installation groove and a second installation groove. A first wiring terminal and a second wiring terminal are arranged in the first mounting groove and the second mounting groove respectively, electrode connecting pieces are arranged on the first wiring terminal and the second wiring terminal, and one end of each motor wire is provided with a wire connector. Bayonets used for clamping wire connectors are arranged on the first wiring terminal and the second wiring terminal and located on the outer side of the boss, a cover shell is fixedly installed on the boss and located on one side of the wire frame, and a notch used for allowing a motor wire to penetrate through is formed in the bottom end of the cover shell. Manual operation procedures such as outgoing line welding can be reduced, mechanical winding and automatic welding of the coil can be conveniently achieved, and therefore the coil manufacturing efficiency is improved, and the production cost is reduced.

The utility model discloses a lead structure of a dry-type transformer. The lead structure comprises a first joint, a second joint, a middle conductor wire, a heat-shrinkable tape winding layer and an outer injection molding layer, the first end of the first connector and the first end of the second connector are connected through a middle conductive wire, and the first connector, the second connector and the middle conductive wire are all made of conductive materials. The first end of the first connector, the second connector end and the middle conductive wire are wrapped by a heat-shrinkable tape winding layer, and the heat-shrinkable tape winding layer is wrapped by an outer injection molding layer. And arc sections are formed at the bending part of the heat shrinkable tape winding layer and the bending part of the outer injection molding layer. The lead structure of the dry-type transformer solves the problem that no arc transition exists at the bending position in a lead structure in the prior art.