144results about "Coils" patented technology

Connection assembly (100) for establishing an electrical connection between at least one electrical load and an electrical voltage source, comprising at least three terminal bodies (10, 11, 12) and at least three active electrical components or at least three passive electrical components (20, 21, 22), wherein the at least three terminal bodies (10, 11, 12) are provided for connection to at least three outer conductors of the voltage source, characterized by that the at least three connection bodies (10, 11, 12) are inseparably connected without tools to the at least three active electrical components or the at least three passive electrical components (20, 21, 22).

To provide a coil assembly of which a winding layer of coils becomes an odd-number layer, in which a projection part is not provided to an outer peripheral surface of each coil, and each coil is formed in a substantially cylinder shape.SOLUTION: A coil assembly 10 comprises: a conductive part 16 that is wound to a first winding trunk region 21 of a winding trunk part 20; a tip end side conductive part 17 to which a coil wire 40 is wound to a third winding trunk region 23 through an inner part of a wiring groove 29 by less than one periphery; a winding wire construction part 18 that is wound so as to form a winding layer of an odd-number layer to a second winding trunk region 22; and a conductive part 19 that passes a second winding cutting part 37 of a second flange part 25 while being connected to a winding construction part 18, and returns to a gap a first flange part 24 and the second flange part 25. Thus, the coil wire 40 is wounded from a tip end side of the winding trunk part 20 up to a base end side, and a coil 41 of which a winding layer becomes the odd number layer can be easily formed.SELECTED DRAWING: Figure 1

The utility model discloses a hinge formula openable three-axis coil structure, including the whole of rectangular structure of profile truss, X axis coil winding skeleton, Y axis coil winding skeleton and Z axis coil winding skeleton group's coil system, wind X axis coil on X axis coil winding skeleton, wind Y axis coil on Y axis coil winding skeleton and wind Z axis coil on Z axis coil winding skeleton, one side of coil system is provided with coil door, and the coil door includes the Z axis coil disconnected at the butt -joint end and the rotating Z axis coil winding skeleton that is disconnected at butt -joint end, is hinged with the Z axis coil winding skeleton of adjacent surface through heavy hinge at the rotating side, and the two free ends of Z axis coil are installed with heavy load connector respectively, and the two heavy load connectors of two free ends of same Z axis coil are buckled fixed link through butt -joint upper shell and lower shell, and Z axis coil circuit is connected when closing. The utility model makes sample installation time shorten, realizes magnetic field performance zero compromise and saves maintenance dismounting cost.

The present application relates to the technical field of explosion-proof electromagnetic valves, and discloses an explosion-proof electromagnetic valve with an elastic damping structure, which comprises a shell, a valve body, a valve core assembly, an elastic damping component and an electromagnetic module. The explosion-proof electromagnetic valve with the elastic damping structure comprises a damping disc, a damping seat and a limiting piece, the damping seat is formed with a groove and a pressure relief hole in communication with the groove, the damping disc is located in the groove and elastically buckled on the side surface of a jacking rod, the limiting piece is arranged below the damping seat at a certain interval, the jacking rod penetrates through the damping disc, the damping seat and the limiting piece, and the gap between the coil and the base is filled through the filling port, so that when the electromagnetic module explodes, the damping disc is elastically hardened and buckled on the jacking rod instantaneously, the impact force of the jacking rod is absorbed, at the same time, the pressure relief hole formed on the damping seat can weaken the shock wave during the explosion, and thus, under the synergistic effect of the damping disc and the damping seat, the safety hazard that the valve body and the shell are penetrated due to the explosion is avoided.

The present invention relates to a coil component in which a terminal electrode and a terminal end of a wire are connected by thermocompression bonding at a bottom surface of a flange portion, and the following effects are obtained as a result of thermocompression bonding being appropriately performed without being excessively insufficient, that is, a stable fixing force is obtained for the connection state between the terminal electrode and the terminal end of the wire, and problems caused by the terminal end of the wire protruding from the terminal electrode are less likely to occur. A terminal end (21a) of a wire (21) is in a state of being at least partially disposed inside a terminal electrode (17) and extending along a main surface (25) of the terminal electrode, and has a top surface (33) located at a side opposite to the bottom surface (23) of a flange portion (13) from the main surface. A solder tail surface (37) that rises from the main surface toward the top surface and forms a concave curved surface is formed on an outer surface of the terminal electrode. The main surface is realized by a parent solder material layer (31) composed of tin or a tin alloy that constitutes an outermost layer of the terminal electrode.

To provide an insulated wire including a coat that is thin but has excellent insulation performance and a method for producing the same, and a production method that can produce such an insulated wire at a firing temperature of 250°C or lower while reducing the environmental load and cost.SOLUTION: An insulated wire includes a conductor wire, and an insulation film that coats the conductor wire. The insulation film comprises a cured product of an aromatic (poly)ether compound comprising bisphenol A and benzophenone.SELECTED DRAWING: None

Provided is a coil component capable of improving a Q value. The coil component includes: a core including a winding core portion, a first flange portion provided at a first end of the winding core portion, and a second flange portion provided at a second end of the winding core portion; a first external electrode provided at the first flange portion; a second external electrode provided at the second flange portion; and a wire wound around the winding core portion and electrically connected to the first external electrode and the second external electrode. The winding core portion has a peripheral surface extending in a circumferential direction centered on an axis of the winding core portion. In a cross section of the winding core portion including the axis, a distance between the peripheral surface and the axis at a central side in an axial direction of the winding core portion is smaller than distances at a first end side and a second end side of the winding core portion, and a distance between the wire and the axis at the central side in the axial direction of the winding core portion is smaller than distances at the first end side and the second end side of the winding core portion.

A coil component has a portion connecting external electrodes to a coil and exhibits excellent electrical properties. The coil component includes: a coil conductor portion having a first spiral conductor portion that has a spiral shape when viewed in a first direction (Z1-Z2 direction), and a first connecting conductor portion that has a first protrusion part protruding further than the first spiral conductor portion to at least one side in the first direction and contacts one of two end parts of the first spiral conductor portion; and a main body portion that covers the first spiral conductor portion with two intersecting surfaces arranged alongside in the first direction and contains magnetic powder. The first connecting conductor portion has a first exposed region exposed from the main body portion, and the first protrusion part has a portion formed by a continuous body extending in the first direction.

The utility model relates to the field of automobile parts discloses an automobile engine ignition coil, including lower casing, the inner wall fixed connection of lower casing has fixed cylinder, the middle part fixed connection of winding rod has iron core, the outside of the upper middle part of winding rod is provided with primary coil, the outside of the lower middle part of winding rod is provided with secondary coil, the top fixed connection of upper casing is at the bottom of sealing cover, the middle part fixed connection of sealing cover is at the one end outside of wire, the middle part screw thread connection of second mounting plate has bolt, the bottom screw thread connection of bolt has nut, the bottom fixed connection of winding rod has electrode head. In the utility model, the bottom of winding rod is slidably connected to the inner wall of fixed cylinder, the bottom of winding rod is inserted into the inside of fixed cylinder when installing winding rod, winding rod is fixed in the inside of device through installing sealing cover, and it is avoided that the winding rod is pressed and broken by the great pressure when assembling.

The utility model relates to the massage device of massage device driving structure field's electromagnetic drive formula sucking structure, including fixed bolster and electric control massage subassembly, electromagnetic drive source is by the casing and sets up in the coil support and cylindrical magnetic jar of casing inside constitution, the periphery of coil support is wound with the electromagnetic coil, power supply and electromagnetic coil all with main control circuit board electric connection, coil support installs in the inside of magnetic jar along the opening of magnetic jar, and can along the opening direction of magnetic jar telescopic activity, the bottom of coil support is connected with the airbag for being driven by coil support and makes the massage mouth produce negative pressure telescopic activity. When working, coil support telescopic activity along the inside of magnetic jar, thereby drive airbag along the axial direction of magnetic jar and make reciprocating motion, make the inside of sucking mouth form negative pressure, realize the technical effect of noise reduction through non - contact magnetic force drive, can absorb the part high - frequency vibration energy that coil support does linear telescopic motion produces, ensure that can eliminate part mechanical vibration feeling when working.

A linear material protection member includes a plurality of blocks that protects a linear material including a superconducting tape wire material. A component constituting a bottom portion of a first block includes a first side disposed along one of a first side wall portion and a second side wall portion of the first block, a second side disposed on an opposite side of the first side, and a central region disposed between the first side and the second side. In addition, the component includes a second wire holding portion and a third wire holding portion formed along the first side in a state of being able to sandwich a first wire holding portion of the first component, and a screw hole that is disposed in the central region and is formed to penetrate the component in a thickness direction.

The application provides a coil unit and a coil array, comprising a coil body and a magnetic shielding layer; the coil body is configured to allow a current flowing therethrough to form a current loop, and the coil body comprises at least a first wire segment, a second wire segment and a third wire segment connected in sequence; the first wire segment and the third wire segment both extend along a first direction and are spaced apart along a second direction; the second wire segment extends along the second direction; and the first direction and the second direction are arranged transversely; the magnetic shielding layer has a thickness dimension along the second direction; at least part of the thickness of the magnetic shielding layer along the second direction is located between the first wire segment and the third wire segment; and the second wire segment passes through at least part of the thickness of the magnetic shielding layer along the second direction.

An inductor includes: a magnetic core; a coil element including a coil portion and a drawn portion; an electrode member located on a side surface and a bottom surface; and a connection portion connecting the drawn portion and the electrode member. The electrode member includes a bottom plate portion located along the bottom surface, a side plate portion located along the side surface, and a first protruding plate portion connected to the side plate portion and protruding in a direction away from the side surface. The drawn portion extends along the side plate portion or the side surface. The first protruding plate portion includes an edge in contact with the drawn portion in an extending direction of the drawn portion. The connection portion includes a first connection portion in which the drawn portion and the edge of the first protruding plate portion are welded together.

A coil unit includes a coil and a core member. The coil receives AC electric power transmitted in a contactless manner from an electric power transmission apparatus. The core member is formed of a directional magnetic material in sheet form. The core member is arranged on a rearward side of the coil when seen from the electric power transmission apparatus when the electric power transmission apparatus and the coil face each other. An outer shape of each of the coil and the core member is a rectangular annular shape. An orientation direction of the core member and a direction along a winding direction of the coil are orthogonal to each other in straight line portions that face each other of the coil and the core member.

The present application provides a magnetic body capable of improving the electrical characteristics of a coil when used as a magnetic circuit by being disposed on the back of the coil, and a coil component provided with the magnetic body. A coil component (100) is provided with a magnetic body (10), and a coil (20) overlapping the magnetic body (10). The magnetic body (10) is provided with a first magnetic body layer (11), and a second magnetic body layer (12) laminated to the first magnetic body layer (11). The first magnetic body layer (11) is composed of a nanocrystalline alloy material, and the second magnetic body layer (12) is composed of a composite magnetic material in which magnetic powder F is mixed in resin R. The coil (20) is disposed opposite the second magnetic body layer (12) of the magnetic body (10).

A method of detecting presence or absence of a magnetic measurement probe at a measurement launch position in an electromagnetic coil of an ophthalmic instrument includes applying a temporary current pulse to the electromagnetic coil, detecting a counter-electromotive force voltage spike induced in the electromagnetic coil by the current pulse, evaluating a decay behavior of the counter-electromotive force voltage spike, and correlating the decay behavior of the counter-electromotive force voltage spike to presence or absence of the measurement probe at the measurement launch position.

The utility model discloses a compact electromagnetic coil structure for electronic differential lock, including the shell, the shell center is equipped with the through groove, the through groove is circular, one side of shell is equipped with the mounting groove, the mounting groove is annular and is provided with the through groove coaxially, be equipped with the coil in the mounting groove, the coil is provided with the mounting groove coaxially, the coil is filled with the insulating glue between the mounting groove groove wall, the coil outside is covered with the insulating adhesive tape, the shell outside is equipped with the connecting hole, be equipped with two connecting wires in the connecting hole, one end of two connecting wires all is connected with the coil, and the other end of two connecting wires is connected with the contact pin respectively, the compact electromagnetic coil structure for electronic differential lock of the utility model does not need to cover the insulating adhesive tape after winding directly without the coil core, and the coil winding speed is fast, and the coil volume is small, can be loaded into the shell fast and conveniently.

A coil (10) includes a coil portion (12) and a lead-out portion (14). The coil portion (12) is a part of the coil (10) in which a linear member is formed in a helical shape. The lead-out portion (14) is one end portion of the linear member extending from the coil portion (12). A guide member (20) is a member attached to the lead-out portion (14). The guide member (20) has a bending rigidity greater than that of the lead-out portion (14). The guide member (20) extends along at least a partial length region of the lead-out portion (14). Also, the guide member (20) covers at least a part of a surface of the partial length region.

The present application relates to a kind of low-frequency magnetic field generator for rat electromagnetic experiment and its uniform area measuring method, the method includes the following steps: S1, analysis display terminal calculates the magnetic induction intensity distribution of Helmholtz coil under given condition, and according to the change of magnetic induction intensity relative error determines the uniform area of magnetic field distribution, is recorded as reference area, corresponding boundary is reference boundary;S2, using magnetic field probe coil measures the magnetic induction intensity on reference boundary;S3, least square method is applied to obtain the measured boundary of magnetic field distribution uniform area;S4, according to the average absolute percentage error of magnetic induction intensity at measured boundary and reference boundary determines its actual uniform boundary;S5, analysis display terminal displays the actual uniform area of Helmholtz coil magnetic field distribution under given current amplitude and frequency, for rat electromagnetic experiment.Compared with prior art, the present application has the advantages of obtaining accurate magnetic field uniform area, reducing test workload and the like.

To provide an insulated wire that can increase in a partial discharge starting voltage, prevent deterioration of an insulator, and not cause worsening of an occupancy ratio, a coil that uses the insulated wire, a variable-thickness insulating tape used in manufacture of the insulated wire, and a manufacturing method of the same. The above-described problem is solved by an insulated wire (10) for a coil, comprising a conductor (1), and insulating coatings (2, 3) provided on an outer periphery of the conductor (1). The insulated wire (10) is constituted by the thick insulating coating (3) for an area where voltage increases and partial discharge readily occurs, and the thin insulating coating (2) for an area where the voltage does not increase and partial discharge does not readily occur, when the coil is wound. The thick insulating coating (3) and the thin insulating coating (2) are repeatedly provided at desired intervals. The above-described problem is solved by a coil (40) obtained by winding such an insulated wire (10) and configured so that the insulating coating (3) of the insulated wire (10) in an area where partial discharge readily occurs is thick, and the insulating coating (2) of the insulated wire (10) in an area where partial discharge does not readily occur is thin.

The present application provides an inductor component capable of improving the adhesion of an insulating layer to a green body and also capable of improving the inductor characteristics, and a manufacturing method for the inductor component. The inductor component includes a green body having a first magnetic layer and a second magnetic layer sequentially stacked along a first direction, a coil having an inductor wiring extending along a plane orthogonal to the first direction between the first magnetic layer and the second magnetic layer, and an insulating layer of a non-magnetic body having a top surface portion, a bottom surface portion, a first side surface portion, a second side surface portion, a top surface protruding portion, and a bottom surface protruding portion, the bottom surface protruding portion being located between the first magnetic layer and the second magnetic layer, the first magnetic layer and the second magnetic layer being in contact at a front end of the bottom surface protruding portion, and the protruding length of the bottom surface protruding portion in a direction parallel to a third direction or a fourth direction being longer than the protruding length of the top surface protruding portion in the direction parallel to the third direction or the fourth direction.

The present invention provides a multilayer ceramic dielectric for an inductor and an inductor using same, the dielectric having a heterogeneous composite filler comprising a high-k dielectric material and a high-permeability material to increase the permittivity of the upper and lower surfaces and the permeability of the inner region between the upper and lower surfaces.

A method for detecting the presence or absence of a magnetic measurement probe at a measurement initiation location within an electromagnetic coil of an ophthalmic instrument includes: applying a transient current pulse to the electromagnetic coil; detecting a back electromotive force voltage spike induced in the electromagnetic coil by the current pulse; evaluating the decay behavior of the back electromotive force voltage spike; and correlating the decay behavior of the back electromotive force voltage spike with the presence or absence of the measurement probe at the measurement initiation location.

An antenna for a wireless power transmission system includes a coil layer and a filter layer. The coil layer includes turns, a first coil end, and a second coil end. The coil layer is electrically connected to a power conditioning system via a positive electrical node connected to the first coil end and a negative electrical node connected to the second coil end. The filter layer is positioned in a stack-up with the coil layer and includes tines each comprising a conductive material, positioned proximate to the plurality of turns, and terminating at one end. The filter layer includes a filter end that is electrically connected to a ground of the wireless transmission system, wherein the filter layer is configured to absorb an E-field emitted by the coil layer and route the absorbed E-field to the ground.

Coriolis flowmeter (1) comprising a vibration-type sensor for measuring a flow rate and / or flow velocity of a fluid medium carried in a pipeline, wherein the sensor comprises a vibrating tube (2), and at least one electrodynamic exciter (3.II) for exciting the vibrating tube (2) into a oscillating motion and at least one electrodynamic sensor (3.I or 3.III), in particular two sensors (3.I and 3.III), for detecting a measurement signal generated by vibrations of the tube (2), wherein the exciter (3.II) and / or the sensor (3.I or 3.III)III) comprises at least two components, wherein a first component is designed as a printed circuit board (7, 17) with at least one conductor track (9, 19) for forming a printed circuit board coil, wherein a second component is designed as a magnetic field generating element (6), wherein one of the two components is arranged directly or indirectly on or in the vibrating tube (2) and excites the tube (2) to vibrate or receives the measurement signal by relative movement to the second of the two components, characterized in that at least one turn, preferably all turns, of the conductor track (9, 19) has an area of ​​less than 3000 µm. 2 / turn, preferably smaller than 1500 µm² / turn.

The application belongs to the technical field of electric wire and cable, and discloses an insulating electric wire and a preparation method thereof, a coil and an electronic / electrical device, wherein the insulating electric wire comprises a conductor and an adhesive layer and an insulating layer arranged outside the conductor in sequence, the insulating layer comprises polyether ether ketone resin and a corona-resistant filler, and the corona-resistant filler is composed of corona-resistant inorganic particles and a compatible resin wrapped on part or all of the outer surface of the corona-resistant inorganic particles. In the insulating layer of PEEK, the corona-resistant inorganic particles with the compatible resin grafted on the surface are introduced, the dispersion of the corona-resistant inorganic particles and the interfacial bonding force between the corona-resistant inorganic particles and the matrix are improved by using the good compatibility of the compatible resin with the PEEK matrix. The compatible resin enables the PEEK and the corona-resistant inorganic particles to be uniformly mixed, thereby ensuring the adhesion between each other, which helps to reduce the partial discharge phenomenon caused by the interface defects and enhances the resistance of the corona-resistant filler to the corona erosion.

Coatings comprising iron alloys that include iron and at least another metal (e.g., cobalt and / or nickel) for wireless recharging devices are generally described. The coatings may be directly applied to a substrate, such as a print circuit board.

The present invention provides a multilayer ceramic dielectric for an inductor and an inductor using same, wherein a first anodic oxide film having a low porosity due to having relatively small pores or a relatively small number of pores is positioned on upper and lower surface layers, and a second anodic oxide film having a large porosity due to having relatively large pores or a relatively large number of pores is positioned on inner layers positioned between the upper and lower surface layers to make the dielectric constant high on the upper and lower surfaces and low in an inner region so that a current path operates efficiently on the surface sides, and the efficiency of magnetic field passage inside can be enhanced to improve high-frequency characteristics.