480 results about "Stator coil" patented technology

The invention discloses a manufacturing method of a frameless torque motor stator core, the stator core comprises a stator yoke part, a stator tooth part and a stator coil, the stator yoke part is in a circular ring shape, the stator tooth part is in a sun tooth type structure, the stator tooth part comprises a circular ring part, a tooth boot part and a tooth body part, the stator tooth part is embedded in the stator yoke part, and the tooth body part is in a sun tooth type structure. The plurality of tooth body parts are uniformly distributed, high-temperature-resistant insulating films are prepared on the surfaces of the stator yoke part and the stator tooth parts, and the stator coils are arranged on the peripheral sides of the tooth body parts in a sleeving manner; the manufacturing method comprises the following steps: S100, manufacturing the stator yoke part and the stator tooth part, and carrying out coating treatment; s200, winding to form a stator coil; s300, assembling a stator iron core; s400, welding a wire pin; s500, pouring glue and drying; s600, boring and shaping: boring the inner side of the circular ring part and the solidified potting glue, and boring off the circular ring part, so that two adjacent tooth shoe parts are completely isolated, and the closed slot of the stator core is bored to form an open slot; and S700, carrying out performance detection.

The invention relates to a starting and power generation integrated control method based on externally distributed bosses of a permanent magnet motor, and the method comprises the following steps: determining the initial position of a rotor of the permanent magnet motor relative to a stator through a pulse voltage injection method, and applying a drive signal to a stator coil, so that the motor reaches the rotating speed at which an ignition trigger can stably detect the signal; an ignition trigger is used for obtaining boss signals and conducting shaping processing, and the specific position of the rotor relative to the stator is determined; the stator coil is electrified by utilizing the relative position of the rotor and the stator, the motor is driven to rotate, and flux-weakening voltage regulation control is carried out; and when the power-assisted condition is met, a stator coil corresponding to the permanent magnet motor is electrified by utilizing the relative position of the rotor and the stator, so that switching control from power generation voltage regulation to power-assisted driving of the motor is realized, and power-assisted driving operation is executed. According to the control method, the boss on the rotor is used for starting and power generation voltage regulation control of the permanent magnet motor, and the method is simple and easy to implement.

A rotating machine has a rotor and a stator that faces the radial outer side of the rotor via a gap. The stator has a stator coil and a stator core having a slot accommodating the coil. The stator has a thin film member covering at least a portion of an inner circumferential surface of the core, and having a window unit exposing the core to the radial inner side. A cylindrical unit covers the inner peripheral surface of the core on both axial sides of the window. The thin film member has a radiating unit that expands to the radial outer side from the cylindrical unit across a side wall of the slot. The thin film member has a first flow path that reaches from the window unit to the radial outer side of the cylindrical unit, and extends to both axial ends along the radiating unit.

Provided is an array device for a hairpin type stator coil. The array device, configured to array hairpin type stator coils on at least one array jig transported through a conveyor, may include i) a frame, ii) at least one magazine that is arranged in a magazine stack part installed in the frame and has the stator coils loaded along a set loading direction, iii) a magazine loading unit that is installed in the frame to load the at least one magazine into a magazine tilting part arranged in front of the magazine stack part, iv) at least one buffer unit that is arranged in front of the magazine tilting part, v) at least one cartridge unit that is arranged in front of the at least one buffer unit, and vi) a coil insertion unit that is arranged in front of the at least one cartridge unit to insert the stator coils.

This invention relates to the field of head-twisting machine technology, specifically disclosing a motor stator head-twisting machine, comprising a base plate; a rectangular shell is provided on the top surface of the base plate; a square shell is mounted on the top surface of the rectangular shell; a column is fixedly connected to the bottom surface of the rectangular shell, and a first head-twisting disc is coaxially rotatably connected to the outer periphery of the column; a second head-twisting disc is coaxially rotatably connected to the outer periphery of the first head-twisting disc; a third head-twisting disc is coaxially rotatably connected to the outer periphery of the second head-twisting disc; a fourth head-twisting disc is coaxially rotatably connected to the outer periphery of the third head-twisting disc; a first drive mechanism and a second drive mechanism are provided inside the rectangular shell; a frame is mounted on the top surface of the base plate; a tooling mechanism for clamping the motor stator is provided on the frame; through the coordinated operation of the first head-twisting disc, the second head-twisting disc, the third head-twisting disc and the fourth head-twisting disc, the coil inserted into the wire slot is head-twisted, so as to realize the automatic head-twisting processing of the motor stator coil, reduce the trouble of manual head-twisting, ensure the head-twisting quality, and improve the processing efficiency.

The invention discloses a stator coil type coil for a high-voltage shielding motor, a manufacturing method, a stator and a motor, the coil type coil comprises a continuous coil body made of a conductive material, the coil body comprises two parallel long straight line segments, bevel edge segments connected with the two ends of the straight line segments, and nose parts located at the joints of the bevel edge segments; the turn-to-turn insulating layer and the ground insulating layer are coated outside the conductive material; the coil body forms an integrated full-mould-pressing structure through mould pressing forming, the mould pressing forming range covers all the straight line sections and the bevel edge sections connecting the straight line sections and the nose part, and the nose part is not covered by a mould. The problems of difficulty in coil inserting of high-voltage and small-size stators, poor insulation reliability, low motor efficiency and the like are solved.

A stator of an electromachine (2) comprising a stator laminate (3) containing sheet metal (8) and extending around a stator shaft (7), having stator teeth (4) and stator slots (5) between the stator teeth (4), wherein within the stator laminate (3) there is provided at least one set (13) of three first stator sub-laminateds (3.1) twisted in opposite directions to clamp the stator coil (6) at clamping points (10) of the stator slots (5), with two of the first stator sub-laminateds (3.1) of each set (13) in one circumferential direction about the stator shaft (7), and the remaining first stator of the set (13) A stator characterized in that a sub-laminated stack (3.1) is twisted in opposite directions, and within the stator slot (5) of the stator stack (3), a protective cylinder (11) is provided in the region of the twisted first stator sub-laminated stack (3.1), and this protective cylinder (11) protects the stator coil (6) from damage caused by the twisted first stator sub-laminated stack (3.1), and is particularly electrically insulating, wherein at least one of the protective cylinders (11) has at least one flange (12), and this flange (12) is bent with respect to the slot section (11.1) of the protective cylinder (11) and is provided so as to be supported by axial bracing against one of the stator teeth (4) of one of the first stator sub-laminated stacks (3.1).

The invention discloses an electrically driven supercharger structure, and relates to the technical field of electrically driven superchargers, and the structure comprises a driving motor which comprises a motor housing, a stator coil and a rotor, the stator coil is fixed in the motor housing, and the rotor is located in the internal space of the stator coil; the gas compressor comprises a pressure shell and a pressure impeller; the bearing system comprises a main body structure, a rotating shaft, a bearing and a thrust sleeve, the motor shell is connected with the pressing shell through the main body structure, a rotating shaft mounting channel is formed in the main body structure, the rotating shaft is arranged in the rotating shaft mounting channel through the bearing, one end of the rotating shaft is connected with the rotor, and the other end of the rotating shaft is connected with the pressing impeller; the thrust sleeve is located between the bearing and the pressure impeller and arranged on the rotating shaft in a sleeving mode. The driving motor and the gas compressor are connected through the bearing system, so that the rotor and the compressor impeller are respectively connected through the two ends of the rotating shaft, the structural complexity of the electrically-driven supercharger is reduced under the condition that power is provided for the supercharger in an electrically-driven mode, and the structural space is greatly compressed.

A system (12) for a vehicle, an assembly (10), and a method for detecting a connection state of a switching device (62) of a charging circuit (56) are provided. The system (12) comprises at least one stator coil (30) of an electric machine (18), an inverter (16), and a charging circuit (56). The inverter (16) is configured to be coupled to a battery (14) of the vehicle. The charging circuit (56) is configured to be coupled to a charging device external to the vehicle. The charging circuit (56) is further configured for adapting a charging program of the battery (14) of the vehicle. The charging circuit (56) comprises at least a capacitor (64) and the switching device (62). The switching device (62) is arranged between the capacitor (64) and the stator coil (30). A single voltage sensing element (66) is arranged between the switching device (62) of the charging circuit (56) and a star point (60) of the electric machine (18). A control circuit (36) is configured to detect the connection state of the switching device (62) of the charging circuit (56) based on a voltage magnitude measured by the voltage sensing element (66).

The utility model discloses a portable electric fan. A fan wheel and a wheel-shaped mounting seat are arranged in a first cylindrical shell, a front cover is arranged at a front port, and a rear cover is arranged at a rear port. A rotor magnet is arranged in a first barrel-shaped hub part of a fan wheel, and a motor rotating shaft is arranged in the center of a barrel bottom. The wheel-shaped mounting seat comprises a cylindrical contour part, a second cylindrical hub part and a plurality of first plate-shaped spokes. And a tubular mounting seat is arranged at the center of the barrel bottom of the second barrel-shaped hub part. A motor rotating shaft is assembled in the tubular mounting seat, and a stator coil is sleeved outside the tubular mounting seat. The front cover is embedded into the front end of the cylindrical contour part and comprises a front cover hub part and a plurality of second plate-shaped spokes. The first plate-shaped spokes and the second plate-shaped spokes form a plurality of flow guide plates in a one-to-one correspondence mode, and air outlet airflow can be concentrated.

The utility model belongs to the technical field of motor stator coil inserting, and particularly relates to an automatic coil inserting mechanism for a deep-well pump motor stator. The wire inserting device comprises a device body, a device box body is arranged outside the device body, a wire inserting operation area is arranged in the middle of the device box body, a processing table top is arranged below the wire inserting operation area, a rotating table is movably installed on the processing table top, a wire winding cup is fixedly installed on the rotating table, and the wire winding cup is fixedly installed on the rotating table. A winding cup is arranged above the coil inserting operation area, a metal coil is wound on the winding cup, a coil pushing mechanism is arranged in the winding cup, a stator mounting mechanism is arranged above the coil inserting operation area, a motor stator is placed on the stator mounting mechanism, and a stator iron core protection mechanism is arranged in the stator mounting mechanism. According to the utility model, the tooth part of the stator iron core can be prevented from fin warping during coil inserting, coil scratching and electric leakage are avoided, the overall quality of the deep-well pump motor is improved, the defective rate is reduced, and the production requirements of high-quality products are met.

The utility model discloses an inductance encoder for a rotating motor, which relates to the technical field of encoders and comprises a signal receiving and demodulating module, the signal receiving and demodulating module comprises a rotor plate, a stator coil plate and a dual-channel induction inductance sensor chip, the rotor plate is connected with a rotating shaft portion of the rotating motor, and the stator coil plate is connected with the inductance sensor chip. The stator coil plate comprises an exciting coil and a receiving coil, non-contact electromagnetic induction is formed among the rotor plate, the exciting coil and the receiving coil, and the inductance sensor chip is used for demodulating amplitude modulation signals on the receiving coil and converting the amplitude modulation signals into sine and cosine signals; the signal processing module is used for receiving the sine and cosine signals output by the inductive sensor chip and processing the sine and cosine signals to obtain signal information; the signal decoding and outputting module is used for receiving the signal information and converting the signal information into angle position information of a motor rotor plate; the inductance encoder has the characteristics of high anti-interference capability, strong environmental adaptability and low cost.

The utility model provides a safety structure after starter short circuit for an engine, which comprises a casing, a stator coil assembly fixed on the inner wall of the casing and a binding post inserted on the casing, and the stator coil assembly comprises a gap bridge connecting line corresponding to the binding post. A fuse mounting part is arranged at one end, which is arranged in the casing, of the binding post, a fuse connecting plate is fixed on the fuse mounting part, the gap bridge connecting wire is fixedly connected with the fuse connecting plate, and the binding post is electrically connected with the gap bridge connecting wire through the fuse connecting plate. The melting point of the safety connecting plate is lower than that of the gap bridge connecting line and the binding post; during overload protection, the fuse connecting plate is fused, and the binding post is disconnected by the gap bridge connecting line; according to the safety structure after the starter for the engine is short-circuited, the defect that an existing starter is not safe to use after being short-circuited is overcome.

The utility model discloses a reciprocating type magnetic suspension motor. The reciprocating type magnetic suspension motor comprises a fixing frame, a stator coil module, a first rotor and a second rotor, the first rotor is provided with a first swing part, the first swing part comprises a first lower step and a first upper step, and the first upper step is connected to the lateral upper portion of the first lower step. The second rotor is provided with a second swing part, the second swing part comprises a second lower step and a second upper step, and the second upper step is connected to the lateral upper portion of the second lower step; the first upper step and the second upper step are symmetrically arranged, the first upper step is located over the second lower step, and the second upper step is located over the first lower step. According to the embodiment of the utility model, the first upper step arranged at the upper part of the first swinging piece and the second upper step arranged at the upper part of the second swinging piece are symmetrically arranged in a staggered manner, so that the dynamic mass distribution in the motor is more balanced in the swinging process of the first swinging piece and the second swinging piece, and further the generated deflection inertia is eliminated.

This invention provides a novel structure for fastening the first terminal of a motor busbar to the second terminal of a terminal block. [Solution] The motor unit may include a motor having a stator coil, a motor busbar connected to the stator coil, a first terminal located at the tip of the motor busbar, a first guide member fixed to the first terminal and having a first guide surface, a second terminal to which the first terminal is fastened using bolts and which has a contact surface that contacts the first terminal, a terminal block holding the second terminal, and a second guide member fixed to the second terminal and having a second guide surface. The first and second guide surfaces are configured to contact each other when the first terminal approaches the second terminal from a direction parallel to the contact surface, and each may have a first profile that prevents contact between the first terminal and the second terminal at least at the timing when the first terminal and the second terminal begin to face each other.

A stator bobbin includes a first winding support with an inner radial portion, an outer radial portion, and a winding space defined radially between the inner radial portion and the outer radial portion with respect to an axis of rotation. The winding space is configured to receive a plurality of windings of the e-machine. The inner radial portion and the outer radial portion extend along the axis between a first end of the stator bobbin and a second end of the stator bobbin. The stator bobbin further includes a winding retainer disposed at the first end and configured for receiving and retaining an end of the plurality of windings. Also, the stator bobbin includes a contoured flow surface disposed proximate the second end. The contoured flow surface defines a nonlinear flow path for a fluid coolant of the e-machine.

The application provides a reversible conveying line based on magnetic suspension technology, a rotatable non-powered track is connected between a plurality of fixed power tracks, by controlling the rotation of the rotating track section, the two ends thereof are connected with two fixed track sections respectively, and a complete predetermined movement track is formed. The rotating track section does not need to integrate a complex stator coil array, the material cost and production process difficulty are reduced, and compared with a traditional linear motor transition scheme, the system reliability is significantly improved. A transformation structure is disclosed in the embodiment, including specific angle design and guide design, to ensure that the conveying carrier can smoothly pass through the rotating track section; in addition, the embodiment also provides a conveying carrier including a double main body part, the thrust and the pull are provided by different main body parts respectively, the power continuity of the conveying carrier when passing through the rotating track section is realized, and the conveying carrier is particularly suitable for material diversion, convergence or path switching in an industrial automation scene.

A rotary electric machine stator includes: a stator core; a stator coil mounted on the stator core and including coil ends at both ends in an axial direction; and an insulating material portion provided at the coil ends and formed by a foam varnish. The insulating material portion includes, on a surface thereof, an uneven portion caused by foaming.

A stator for a rotating electrical machine includes: a stator coil in which four or more sets of coil portions for each phase are connected as a parallel circuit between a neutral line terminal and a power line terminal for each phase; and a stator core that has a plurality of slots and around which the stator coil is wound. Stator coil includes slot insertion portions each inserted in corresponding slot, and a crossover portion exposed from an axial end face of stator core and extending in a circumferential direction so as to connect a pair of slot insertion portions. In each phase, a plurality of slot insertion portions in each set includes a first slot insertion portion directly connected to the power line terminal. First slot insertion portion for each phase is located on radially outermost side in corresponding slot on one side in axial direction of stator core.

This technology provides a way to simplify the configuration of the stator coil. [Solution] The stator comprises a stator coil comprising a stator core extending cylindrically along the axial direction, a plurality of slots arranged along the circumferential direction of the stator core, a plurality of coil segments arranged in the plurality of slots, and a plurality of busbars. The stator coil has a first coil end portion protruding from a first end face of the stator core. Each of the plurality of busbars connects the ends of two coil segments protruding from different slots at the first coil end portion. The plurality of busbars includes a plurality of first busbars arranged on a first plane perpendicular to the axial direction, and a plurality of second busbars arranged on a second plane spaced apart axially from the first plane. Furthermore, each of the plurality of first busbars intersects with a corresponding one of the plurality of second busbars when viewed along the axial direction.

The present invention relates to an axial magnetic-flux motor comprising a wireless power transmission unit and, more specifically, to an axial magnetic-flux motor which has a motor housing and a motor shaft rotatably supported by the motor housing, and which comprises: a fixed substrate which is coupled to the motor housing, and on which a stator coil is provided; and a rotating substrate which is coupled to the motor shaft, and on which a metal piece is provided for generating an electromagnetic force for rotation of the motor shaft by means of electromagnetic interaction with the stator coil, wherein the metal piece is magnetized with power transmitted from a wireless transmission unit of the fixed substrate to a wireless reception unit of the rotating substrate so that a permanent magnet is not used.

The utility model relates to the related technical field of water pump modules, and discloses an improved integrated motor and pump module for a dishwasher, which is characterized in that a lower shell is arranged above a mounting rack, an upper shell is fixedly arranged above the lower shell, the opening end of the upper shell is fixedly connected with an upper end cover, and the lower end of the upper shell is fixedly connected with a lower end cover. A water inlet cavity is formed between the upper shell and the upper end cover, the upper shell and the lower shell are connected to form a mounting cavity, and a rotor assembly used for rotating is rotationally mounted in the mounting cavity; according to the integrated motor and pump module for the improved dish-washing machine, the plastic is filled between the coil and the shell, and the stator coil can be firmly fixed in the stator groove by the plastic, so that the coil is prevented from displacing, loosening or deforming due to factors such as vibration, centrifugal force and the like in the operation process of the motor, and the service life of the motor is prolonged. And the air gap uniformity and the magnetic field stability of the motor are ensured, so that the performance and the efficiency of the motor are improved.

The invention provides a single-phase alternating-current permanent magnet brushless motor which is different from a common single-phase alternating-current motor, a motor stator of the single-phase alternating-current permanent magnet brushless motor is formed by stacking silicon steel sheets with barrel-shaped interiors and armature slots and armature teeth for winding, and a cylindrical rotor is provided with permanent magnets with magnetic lines perpendicular to a motor rotating shaft in the radial direction. Magnetic lines generated by the stator and the rotor are perpendicular to a motor shaft, stator coils are concentrically wound in a distributed mode, the stator coils can be directly used on a single-phase alternating current power supply without a driver, and the speed can be adjusted through a frequency converter. Compared with a traditional single-phase alternating current motor, the motor power and torque are improved under the condition of the same specification, all south and north poles of the magnetic rotor containing the permanent magnets are driven during driving each time, and high electric energy driving efficiency and high power density are achieved. And energy conservation and emission reduction are achieved in daily industrial power application, and wide application prospects are achieved.

This invention discloses a stator coil tightening device for an automotive motor and its usage method, relating to the field of coil processing technology. It includes: a base, a drive assembly, and a deflecting cylinder assembly. Multiple sets of the deflecting cylinder assembly are rotatably mounted on the base and connected to the drive assembly. Each deflecting cylinder assembly includes a base column, a transmission gear sleeved at the bottom of the base column, and a sleeve or extended sleeve sleeved at the top of the base column. An ejection limiting assembly is located on the top of the base and sleeved on the outside of the multiple sets of deflecting cylinder assemblies. Through the modular design of the deflecting cylinder assembly, the device can adapt to tightening various hairpin coils, improving its versatility and saving equipment costs. Furthermore, replacing the sleeve does not require disassembling the entire deflecting cylinder assembly, saving the work of aligning the transmission gear and drive plate during installation, thus saving time and improving processing efficiency.

The application discloses a kind of high altitude long iron core permanent magnet wind power motor stator partition cooling stator frame, belong to permanent magnet direct drive wind power motor technical field;First ventilation duct is communicated with first pressure equalizing chamber, first pressure equalizing chamber is communicated with non-drive end air outlet space and is communicated with fifth space;Second ventilation duct is communicated with third pressure equalizing chamber and is communicated with driving end air outlet space and is communicated with third space, and third space is communicated with fifth space;Third ventilation duct is communicated with second pressure equalizing chamber and is communicated with air inlet chamber and is communicated with first air outlet chamber and second air outlet chamber;First air outlet chamber is communicated with first space and is communicated with second space and is communicated with fifth space;Second air outlet chamber is communicated with second space and is communicated with fifth space, and three cooling paths are gathered fifth space and are communicated with air outlet duct.The application constructs three cooling air passages of wind power motor, can greatly reduce the difference of stator core ventilation duct air volume, so that each iron core section and the stator coil at each iron core section is sufficiently cooled by air, and the cooling effect is improved.

A haptic engine for an electronic device includes a coil assembly and a stator. The coil assembly may be coupled to an input structure, such as a button cap. In an gap sensing mode, a first voltage may be driven through the coil assembly to determine an impedance of the coil assembly. The impedance is then used to determine a gap between the coil assembly and the stator. In a haptic drive mode, a second voltage is driven through the coil assembly to produce a haptic output.

This utility model discloses a stator core for a frameless torque motor and an automated device thereof. The stator core includes a stator yoke and stator teeth. The stator yoke is annular, and the stator teeth include an annular ring and multiple tooth units extending radially outward from the annular ring. The stator teeth are fitted inside the stator yoke, and the stator yoke and stator teeth are coaxially arranged. The multiple tooth units are evenly distributed. The surfaces of the stator yoke and stator teeth are coated with a high-temperature resistant insulating film using polymer vacuum coating technology. Stator coils are arranged outside the tooth units. By using a high-temperature resistant insulating film to replace the insulating support in the stator core, the motor achieves significant improvements in cost, size, performance, and reliability.

A method for manufacturing a stator for a rotary electric machine including: a first disposing process of disposing one workpiece for stator in a first station (ST1); a first welding process of completing welding of a first part of stator coil in the one workpiece in ST1; a second disposing process of disposing an other one workpiece for stator in a second station (ST2); and a second welding process of completing welding of a second part of stator coil in other one workpiece in ST2, wherein first welding process includes first irradiation process of irradiating first part with a laser beam for welding, second welding process includes second irradiation process of irradiating second part with a laser beam for welding, first and second irradiation processes have a time difference, and laser beam used in each of the first and second irradiation processes are generated based on the same oscillator.

The application relates to the technical field of electric machines, in particular to a D-shaped core stator and a high-speed disc type shaftless motor with the same, which comprises a stator core, the stator core is in the shape of a 'D', and two stator cores are symmetrically spliced into a complete stator core; a stator coil winding, a slanting slot is formed in the stator coil winding, and the two ends of the stator core are respectively embedded in the slanting slot; the high-speed disc type shaftless motor is realized based on the D-shaped core stator and comprises a shell, a tip shell and a flow channel; and a rotor assembly comprising a double-rotor without back iron; the D-shaped core stator is designed to improve magnetic performance, the symmetric slanting slot structure is used to optimize operation stability, the composite material and the splicing design are used to enhance structural strength, and the 3D printing self-supporting winding is used to reduce loss control; the lightweight rotor topology and the adaptive output structure are adopted, and the fluid mechanics performance is further optimized according to the paddle design of specific application; the self-adaptive cooling flow channel realizes precise heat dissipation through a multi-chamber grid layout.

The invention provides a stator structure, a permanent magnet motor and a compressor. The stator structure comprises a stator support, the stator support comprises a first stator support and a second stator support, the first stator support and the second stator support are coaxially arranged and fixedly connected, and the first stator support is arranged in the second stator support; the first stator support comprises a cylindrical first shell with the hollow interior and a plurality of first partition plates, and the first partition plates are arranged in the circumferential direction of the outer wall of the first shell and extend outwards in the radial direction of the first shell. The second stator bracket comprises a second shell, the second shell is fixed on the inner wall of the motor shell, and the second shell and the two adjacent first partition plates are encircled to form a fixed part; the stator core comprises a plurality of stator teeth, and each stator tooth is fixed in one fixing part; and a plurality of stator coils, wherein each stator tooth is wound with the stator coil. The stator provided by the invention is simple in structure, convenient to install, light in weight and small in size, and can improve the slot fullness rate of the stator and improve the power density of the motor.