7results about How to "Simple winding process" patented technology

The utility model discloses a transformer with multiple voltage levels. The transformer comprises an iron core, a first winding and a second winding, wherein the first winding and the second winding are wound on the iron core; the second winding comprises a first winding section and a plurality of second winding sections, and at least one of the plurality of second winding sections has one coil turn number; wherein taps are formed at the connecting position of the first winding section and the first second winding section and at the connecting position between the adjacent second winding sections, and the starting end, the tail end and the taps of the second winding are suitable for being externally connected to form multiple voltage grades. Parts or all of the wires of the second winding section are limited to be one turn, so that the risk of excessive winding or less winding is greatly reduced, and meanwhile, the winding efficiency is improved.

The utility model belongs to the field of magnetic component, provide a kind of transformer, including first core, second core, winding coil and steel band, winding coil includes primary winding and secondary winding, the end of first core and the end of second core correspond splicing cooperation, the splicing place of first core and second core is provided with the insulation framework for winding winding coil, insulation framework includes insulating sleeve and two baffle, two baffle are respectively communicated at the both ends of insulating sleeve, the end of first core and second core is located in insulating sleeve, insulating sleeve is provided with the insulating piece for isolating primary winding and secondary winding, steel band passes through insulating sleeve and is wrapped fixed along the outer circumferential side surface of first core and second core, to realize automation production, improve production efficiency, guarantee the safe insulation distance between winding coil and core.

A flyback single-winding multi-level output power supply circuit comprises a flyback main transformer (T1) which has one secondary winding and outputs a primary power supply (Vso), a primary isolation main power supply circuit (4) which outputs a first positive voltage (VCC3), a first control signal generation circuit (6) which generates a first PWM signal based on the first positive voltage (VCC3) to feed back and control a primary switch (Q1), and a second control signal generation circuit (7) which generates a second PWM signal based on the first positive voltage (VCC3). The primary isolation auxiliary power supply circuit (5) is connected to the primary power supply (Vso) through a main power supply switch (Q2) and outputs a second positive voltage (VCC4); the second control signal generation circuit (7) generates a second PWM (Pulse Width Modulation) signal based on the second positive voltage (VCC4) and the first PWM signal (Q1DRV1) to perform feedback control on the main power supply switch (Q2); a primary winding of the auxiliary transformer (T2) is connected to the primary power supply (Vso); the secondary isolation power supply circuit is connected to a secondary winding of the auxiliary transformer (T2); the mutual influence of the voltages of the multiple output branches is small, the isolated application scene is easy to meet, the size is small, and the comprehensive cost is reduced.

The invention relates to a motor and a method for manufacturing the motor, the motor comprises a casing, a stator, a rotor, a front end cover and a rear end cover, the stator comprises a stator core and a stator winding, and the stator core is formed by splicing and enclosing a plurality of stator splicing blocks along the circumferential direction; each stator block comprises a stator magnetic core block, a stator coil holder block and a stator winding, and the stator coil holder block is coated and formed on the surface of the stator magnetic core block and is used for providing insulation isolation for the stator winding; each stator magnetic core block comprises a stator yoke part and a stator tooth, and a stator winding is wound on the stator tooth; the two circumferential ends of the stator yoke part of each stator block are used for being spliced and enclosed with the stator yoke part of the adjacent stator block, so that the stator yoke parts are spliced and enclosed to form a cylindrical outer wall of the stator core, and the inner ends of the stator teeth are spliced and enclosed to form a stator central through hole; and winding grooves are formed between adjacent stator teeth. According to the invention, the winding process is simpler, and the slot fullness rate of the winding slot is improved.

This invention relates to the field of transverse flux motor technology, and more particularly to a miniature transverse flux motor, comprising a motor housing and an electromagnetic core assembly. The electromagnetic core assembly includes a first stator core, a second stator core, and a magnetic ring disposed between the first and second stator cores. Both the first and second stator cores include several horseshoe-shaped stator blocks arranged in a circular pattern, and each stator core contains a coil winding. The magnetic ring includes a rotor body, a shaft, and permanent magnets. The shaft is coaxially fixed to the center of the rotor body, and the permanent magnets are evenly distributed at equal angles along the circumference of the rotor body. This invention employs a transverse flux structure with upper and lower double stators and a central magnetic ring. During operation, this is equivalent to two motors working collaboratively, significantly increasing the motor's output torque within the constraints of a miniature structure, effectively solving the problem of insufficient torque in existing miniature stepper motors and coreless motors.

The application discloses a winding method and winding equipment for preventing turn-to-turn short circuit of a heating disc of an electromagnetic oven, and belongs to the field of heating disc winding equipment. The winding method comprises the following steps: the enameled wire to be wound is passed through a circular opening of a disc support from top to bottom, two free ends of the enameled wire are matched with two groups of auxiliary bands respectively, and the enameled wire is wound synchronously and concentrically on the front and back surfaces of the disc support. Specifically, the enameled wire is passed through the circular opening and connected with the end of the auxiliary band on the winding part of the limiting assembly to complete winding preparation, then one pair of limiting assemblies is rotated by rotating a rotating column, the two free ends of the enameled wire are synchronously and concentrically rotated from inside to outside along a spiral track to form a spiral disc structure, the enameled wire is wound on the front and back surfaces at intervals, the cross line situation is effectively avoided, the turn-to-turn short circuit is prevented, and the winding process is simplified.

The application discloses a bipolar self-balancing interleaved coupled inductor high-gain converter for a direct-current microgrid, relates to the field of boost converters, and utilizes the winding ratio boost characteristic of the interleaved coupled inductor and the voltage superposition effect of the multi-stage diode-capacitor voltage doubling network to realize high-gain output and power expansion, adopts the mixed method of the voltage doubling network and the switched capacitor network on the output side to improve the output voltage, and through the organic combination of the interleaved coupled inductor structure and the voltage doubling network and the switched capacitor network, a high boost ratio can be obtained under the condition of a lower duty cycle and a smaller coupled inductor winding ratio, the problems of increased leakage inductance, high magnetic core loss and excessive device stress caused by the dependence of traditional topologies on an extremely high duty cycle or an ultra-large winding ratio are avoided, the boost capability under a wide input voltage range is significantly improved, and the bipolar self-balancing interleaved coupled inductor high-gain converter is suitable for the scene of supplying power from low-voltage new energy such as photovoltaic energy and energy storage to a high-voltage direct-current bus.