150 results about "Stator coil" patented technology

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.

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).

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 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.

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 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.

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.

This invention discloses a stator assembly for yoke translation, a motor, and a transport vehicle. The stator assembly for yoke translation includes a stator and a yoke pushing device. The stator includes a stator toothed portion, a stator coil wound around the stator toothed portion, and a movable yoke. The yoke pushing device includes an actuator and a controller connected to the actuator. The controller controls the movement of the actuator. The actuator is connected to the movable yoke and, under the control of the controller, pushes the movable yoke to move along the axial direction of the stator toothed portion, adjusting the length of the overlapping portion of the movable yoke and the stator toothed portion in the axial direction. This invention can effectively adjust the magnitude of the back electromotive force on the stator coil.

A power tool having a motor is provided, wherein the motor includes a rotor and a stator, and wherein the stator includes a first winding and a second winding, wherein the windings are designed in such a way that the windings allow operation of the motor of the power tool at substantially full speed, but at substantially half the power compared with the comparison motor. In the comparison motor, the stator coils are substantially completely wrapped with a continuous wire layer. method for operating such a power tool and a method for carrying out charge equalization between two accumulators in a power tool is also provided. The double-wound stator can be used in conjunction with a bridge circuit made up of motor inverters and stator coils to allow charge equalization between two accumulators in a power tool.

A fixing structure for fixing a neutral wire and a temperature sensor fixes the neutral wire forming a neutral point of a stator coil and the temperature sensor. The fixing structure has a plurality of protruding portions that protrude from the neutral wire in a direction away from a current path in the neutral wire during energization and are opposed to each other. The temperature sensor is sandwiched between a plurality of protruding portions facing each other.

The electric compressor device of the present invention comprises: a rotating shaft; a compressor impeller disposed on the rotating shaft; a motor including a rotor disposed on the rear side of the compressor impeller on the rotating shaft and a stator coil disposed around the rotor; a sliding bearing supporting the rotating shaft between the rotor and the compressor impeller to enable rotation; and a bearing housing for accommodating the sliding bearing, and including a radially extending wall portion extending radially along the rotating shaft between the stator coil and the compressor impeller. Inside the radially extending wall portion, a cooling air flow path is formed for guiding cooling air introduced from outside the bearing housing into the stator coil. The entire cooling air flow path is located radially outward from the sliding bearing.

This utility model relates to the field of geological exploration equipment and power generation technology, and in particular to a non-contact rotary power and signal transmission device for rotary geological steering. The device includes a main body with connecting components fixedly connected to its side. By integrating the power generation mechanism coaxially with the geological steering sub, this utility model avoids the need for additional power generation devices installed outside the drill string or in other locations downhole. This simplifies the overall drilling system structure, reduces space constraints caused by additional components, facilitates operation in confined wellbore environments, does not disrupt the normal drilling process, and eliminates the need for large-scale modifications to existing drilling techniques and equipment. The device can seamlessly integrate with existing rotary geological steering systems, ensuring uninterrupted geological steering functionality. Precise control of the air gap between the stator coil and the permanent magnet rotor is required to ensure high magnetic coupling efficiency while avoiding excessive mechanical vibration and damage.

This invention discloses a planar motor with a hybrid arrangement of coreless coils and permanent magnets, comprising a stator, a mover, a Hall sensor array, and a controller. The permanent magnet array and the coreless coil array on the stator surface are arranged on the same plane in an alternating array. The mover structure, from the center outwards, consists of a wireless energy receiving coil, an inner ring magnet, and an outer ring magnet, achieving passive levitation through a balance of attraction and repulsion. The controller calculates the mover position using a Hall fingerprint positioning algorithm and only powers the stator edge coil group corresponding to the mover's edge magnets. When the coils on the mover overlap with the stator coils, it switches to wireless energy transmission mode to provide power to the mover. This invention enables the product to achieve self-levitation, low-power edge drive, and wireless power supply when power is off, making it suitable for various application scenarios.

The utility model relates to new energy flat wire motor production assembly technical field, concretely speaking to a kind of for new energy flat wire motor stator coil manual wiring tool, including support, line shoulder and trapezoidal screw rod, the top of support is connected with line shoulder and rotates, and trapezoidal screw rod is installed in support by bearing;The corresponding screw rod sliding block is peripherally equipped to trapezoidal screw rod, and the both sides of one end of screw rod sliding block are all provided with in-place stop;Line shoulder reaches required position by in-place stop using trapezoidal screw rod, improves the consistency of manual wiring, improves rear-end wire pressing quality, to improve use effect.

A synchronous reluctance motor includes a shaft, a rotor, a stator, and multiple magnetic wedges. The stator radially opposes the rotor with a space therebetween. The stator includes a stator core having multiple slots arranged in the circumferential direction and open toward the rotor, and multiple stator coils disposed in the multiple slots. Multiple magnetic wedges close at least some of the multiple slots with the multiple stator coils disposed therein.

The utility model relates to motor stator coil winding technical field especially, a kind of winding tool for stator core winding, the utility model is installed to winding bottom disc surface by second wire hanging pin, so copper wire can be constrained in multiple places, when winding, the cylinder on the second wire hanging pin can be rotated 90 ° downward, so that the second wire hanging pin and cylinder can be in 7 letter type structure, so that copper wire around the second wire hanging pin can be prevented from sliding, when winding is finished, the cylinder on the second wire hanging pin can be rotated 90 ° upward, so that the second wire hanging pin and cylinder can be in 1 letter type structure, so that the copper wire that is wound can be easily taken out, so that machine winding efficiency can be improved.

This invention discloses a comprehensive testing system for an electric bicycle controller, belonging to the fields of power electronics and motor control technology. The system includes the following steps: performing an electrical self-test to verify the validity of the basic operating state; after passing the self-test, acquiring a preset automated test sequence to control and simulate various test conditions for the controller under test; while running the automated test sequence, constructing a virtual motor operating environment on the rotorless stator coils, and performing virtual reconstruction and dynamic compensation algorithms; wherein, the dynamic compensation algorithm includes the generation and injection of virtual back EMF, real-time compensation of nonlinear inductance, and electromechanical coupling dynamic reconstruction; this system integrates virtual back EMF injection technology in the test board, by calculating and compensating the instantaneous value of the back EMF corresponding to the simulated rotational speed in real time in the digital domain, embedding key speed and position information into the feedback loop of the controller under test.

A support (4) for a stator coil (3) of a rotary electric machine (1) comprising: • a receiving portion (5) intended to receive an assembly jig (10) in sequence and then a stator tooth (31) passing through the support (4) in a given direction (8); • a main surface (6) intended to receive a wire winding (32) wound around the given direction (8); and • a member (7) for reducing the force exerted by the wire winding (32) on the main surface (6) before, during or after the stator tooth (31) is replaced in the receiving portion (5) of the coil support (4).

This application discloses an external rotor motor. The motor shaft and motor housing of the external rotor motor are connected in a rotatable manner via a first bearing and a second bearing. A stator coil is fixedly mounted on the motor shaft between the first bearing and the second bearing, and a motor magnet is fixedly mounted on the motor housing. A brake rotor is fixedly mounted on the motor housing on the axial outer side of the first bearing, and the stator assembly includes a brake stator fixedly mounted relative to the motor shaft. An encoder rotor is fixedly mounted on the motor housing on the axial outer side of the second bearing, and the stator assembly includes an encoder stator fixedly mounted relative to the motor shaft. The motor shaft has a hollow structure with at least one open end, and a first cable through-hole is provided on the motor shaft at least near the stator coil. In this way, at least the cable of the stator coil can extend axially from the open end of the motor shaft through the first cable through-hole near it, solving the technical problem of radial space occupation of the external rotor motor caused by radial wiring.

The utility model relates to motor technical field especially relates to a kind of excitation type series excitation linear motor, including shell and its inside stator coil and motional coil and the drive shaft axially slidingly connected in shell. Limiting piece that shell is equipped with limit the circumferential movement of drive shaft, the first end of drive shaft is connected with motional coil by penetrating into shell interior, and the second end of drive shaft penetrates out shell exterior. Stator coil is set in the outside of motional coil, and there is air gap between the two, and the series excitation mode connection between the two, the excitation magnetic field coupling between stator coil and motional coil makes motional coil drive shaft linear motion, compared with the existing permanent magnet linear motor, no longer rely on permanent magnet to form magnetic field, effectively reduce the manufacturing cost of motor, avoid the assembly and failure problem related with permanent magnet, and with high thrust density, application range is wider, especially can be applied to the field such as needleless injection and electromagnetic riveting of higher thrust intensity requirement.

The application provides a stator automatic soldering and soldering visual detection equipment, and particularly relates to the technical field of stator coil welding, and comprises a main machine table, four-station transposition mechanisms capable of realizing step-by-step station switching are arranged on the main machine table, and a plurality of groups of combined loading assemblies are arranged on the four-station transposition mechanisms in a circumferential direction. The stator automatic soldering and soldering visual detection equipment is provided with the four-station transposition mechanisms, the plurality of groups of combined loading assemblies, a welding mechanism, a visual recognition detection mechanism and a mechanical servo picking mechanism on the main machine table, and is matched with feeding conveying structures and OK / NG product conveying structures and connected with a discharging end of a previous equipment, so that the problems of dispersed processes, low efficiency, disconnected detection and sorting and inability to link production lines of the existing stator soldering equipment are solved, batch feeding, soldering, detection and sorting integrated operations are realized, and the welding efficiency and production control level of the equipment are improved.

A system (12) for a vehicle, an assembly (10), and a method for detecting the 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 designed to be coupled to a battery (14) of the vehicle. The charging circuit (56) is designed to be coupled to a charging device outside the vehicle. The charging circuit (56) is also designed to adapt a charging process of a battery (14) of the vehicle. The charging circuit (56) comprises at least one capacitor (64) and a 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 designed to detect a connection state of the switching device (62) of the charging circuit (56) based on a voltage quantity measured by the voltage sensing element (66).

This invention provides a welding method for power lines that can increase the processing speed of stator coils. [Solution] The welding method for a power line according to the present disclosure is a method for welding a power line to a lead wire drawn out from a stator coil and a power line via a plurality of welding points, wherein the power line is supported by a positioning part that determines the position of the power line, a gripping part that grips the power line and an electrode, and the power line is welded by the electrode, and comprises a first welding step, a clamping step and a second welding step, wherein in the clamping step the power line is not supported by the positioning part but is supported by the gripping part and the electrode, and in the second welding step the power line is not supported by the positioning part and the gripping part but is supported and welded by the electrode.

This facilitates the insertion and installation of stator coils, which are capable of carrying high currents, into the stator. [Solution] A single coil with a flat rectangular cross-section, formed by die casting or the like, is inserted in a stepped manner from the axial direction into the stator core for each phase.

The rotary electric motor includes: a housing that houses a stator coil and has an opening; a power line that is connected to the stator coil and leads out from the opening; and an external terminal disposed in the housing and having a terminal block. The power line leads out from the stator coil to one side of the axial direction of the rotary electric motor and is connected to the stator coil and the terminal block in a bent manner, the bent portion being located on the side of the axial direction of the rotary electric motor closer to the terminal block than the terminal block.

This invention provides a low-thrust pulsation multi-stage reconnected electromagnetic propulsion device and its power supply control method, including two rows of stator coils, a mover plate embedded with multiple metal plates, a mover mechanism, and a stator power supply device; the two rows of stator coils are fixed in parallel on a stationary base, with each pair of stator coils arranged coaxially facing each other; the metal plates are embedded in the mover plate, which is fixed to the mover mechanism, located between and parallel to the two rows of stator coils, with the center of the metal plate and the axis of the two rows of stator coils on the same plane; the load is connected to the mover mechanism through a connecting mechanism; each row of stator coils is evenly spaced along the propulsion direction; multiple metal plates are evenly spaced along the propulsion direction on the mover plate; a pulse current is supplied to the stator coils through the stator power supply device, and the metal plates are subjected to a controllable and powerful thrust, causing the mover mechanism to move at high speed in the direction of the force. This electromagnetic propulsion device is suitable for propelling high-speed motion of moving bodies within different speed ranges.

The utility model relates to motor engineering technical field, concretely is a kind of stator coil quick embedding structure, including stator main body, stator main body includes stator core, and the outer periphery of stator core is equipped with several pole shoes, and pole shoe is equipped with coil winding set, and coil winding set includes winding post, outer baffle and inner baffle.The stator coil quick embedding structure, by setting the coil winding set of independent component, can be pre-completed coil winding in the state of being separated from stator main body, after winding, only need to be set in the outer side of pole shoe by the sleeve cavity axial sleeve of coil winding set, the assembly of coil and stator main body can be completed, without in the limited space of stator core on-site winding, reduce the space limitation of winding process, help to shorten overall assembly time, improve the convenience of coil embedding.