18results 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 provides an inductor winding device, and aims to solve the technical problem that the conventional winding device needs to adopt additional procedures to ensure that two ends of a coil are positioned on the outermost layer of a magnetic core. The clamping unit is provided with a plurality of clamping rollers matched with the diameter of the inductance magnetic core, and the clamping rollers are used for clamping the inductance magnetic core and driving the inductance magnetic core to rotate around the longitudinal axis direction. And the movable frame body of the mounting frame is rotationally connected with a pressing ring. The inductance magnetic core is sleeved with the winding coil, and the winding coil rotates around the transverse axis. The pay-off roller is connected to the inner wall of the winding ring, and the pay-off roller rotating along with the winding ring can penetrate through the inductance magnetic core. And the friction belt sleeves and is tensioned on the outer wall of the friction wheel. The pressing ring abuts against the winding ring and presses the winding ring to the friction belt. The transmission assembly drives the winding ring to rotate, the inductance wire is pulled out of the pay-off roller and then wound on the inductance magnetic core along the rotation track of the winding ring, the clamping roller is combined to drive the inductance magnetic core to rotate, and the coil is tightly and evenly wound on the inductance magnetic core.

The invention relates to the technical field of transformers, and discloses a transformer framework, which comprises a framework body comprising a central part and an isolation part, the central part is provided with an insertion hole for inserting a transformer magnetic core; the number of the isolation parts is multiple, each isolation part surrounds the peripheral side of the center part, and the multiple isolation parts are distributed on the center part at intervals along the inserting path of the transformer magnetic core; wherein a winding groove for winding a primary winding and / or a secondary winding coil of the transformer is formed between every two adjacent isolation parts. The heat dissipation capability of the transformer can be improved.

The utility model relates to the technical field of motor rotor punching sheets, in particular to an aluminum wire motor rotor punching sheet of an air condition compressor, which comprises a punching sheet body, a plurality of winding holes used for winding are uniformly distributed along the outer ring of the punching sheet body, and one end of each winding hole far away from the punching sheet body is provided with an opening. The opening is provided with a limiting arc-shaped part which is convenient for a wound wire to enter the winding hole, the limiting arc-shaped part is arc-shaped, and guide arc-shaped parts for limiting the wire are arranged on the two sides of the inner wall of one end, far away from the punching sheet body and close to the opening, of the winding hole. Compared with the prior art, external air can take away heat on the punching sheet body through the first heat dissipation holes and the second heat dissipation holes, meanwhile, the first heat dissipation holes are communicated with the interiors of the winding holes so that the air can make contact with the outer wall of the coil, the temperature rising speed of the punching sheet body and the coil is greatly reduced, the heat dissipation effect is obvious, and the service life of the punching sheet is prolonged. And meanwhile, the wire can be guided to automatically slide into the wire winding groove through the limiting arc-shaped part, so that the wire winding process is simplified.

The invention provides a stator framework, a motor and an air conditioner, the stator framework comprises a winding part, one end of the winding part is provided with a mounting hole, and the mounting hole is used for mounting stator teeth of a stator core; and the winding groove is formed in the peripheral wall of the winding part, and the winding groove is used for winding a winding. According to the invention, the technical problem that in the prior art, when the stator winding is demolded and detached from the winding mold, the winding is easily deformed or scratched, and the motor is easily short-circuited can be solved.

The invention discloses a PVC (polyvinyl chloride) composite pipeline wound by an in-situ impregnated modified wood veneer, and belongs to the technical field of wood modification treatment. According to the invention, the wood veneer is subjected to in-situ dipping modification treatment, and the PVC pipe is coated with the wood veneer through a winding forming method, so that the PVC composite pipeline is prepared; the PVC composite pipeline disclosed by the invention not only retains the excellent characteristics of a PVC material, but also overcomes the defects of the PVC material in the aspects of pressure bearing capacity, low-temperature brittleness and flame retardance, and expands the application fields of PVC and wood at the same time.

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.

The invention discloses an ice pod propulsion motor winding structure, which comprises a stator iron core, a torque control coil and a magnetic field modulation coil, four layers of independent coils are arranged in each stator slot, the original double-layer winding is decoupled into torque control and magnetic field modulation, the winding process and the coil inserting process can be simplified after decoupling, and the winding efficiency is improved. The length of the end portion of the coil can be effectively shortened, the overall size of the motor can be effectively reduced, the stator has two sets of independent coil control modes in the control aspect, the motor has higher overload capacity and speed expansion capacity, the double-winding design in the same groove simplifies the process of the double-winding design, and the scheme of the motor has certain redundancy. When one set of winding breaks down, the other set of winding can still operate in a short time, and after the permanent magnets are demagnetized under an extreme condition, the two sets of independent windings can still keep the motor to operate in a short-time overload mode.

The invention discloses a swimming pool water flow paddle direct-drive motor, which comprises an end cover, a motor shaft, a rotor, a base, a stator and a sealing unit, and is characterized in that the direct-drive motor is horizontally arranged in water in a swimming pool, the motor shaft is fixedly connected with a water flow paddle shaft and directly drives a water flow paddle, and the working voltage of the direct-drive motor does not exceed 36V and is within a human body safety voltage range; the sealing unit comprises a rack, an oil seal, an oil flinger and lubricating oil, the lower side of the oil flinger is soaked in the lubricating oil, and when the oil flinger rotates along with the motor shaft, the lubricating oil in the cavity is splashed to the contact face of a lip of the oil seal and the motor shaft. The water flow paddle is directly driven, and the driving efficiency is high; the oil flinger is arranged between the two oil seals, so that dry friction between the oil seals and a motor shaft is changed into oil film friction, and the service life of the oil seals is greatly prolonged; the framework insulation is adopted to realize automatic winding of the winding, so that the large-scale and consistency guarantee of products is facilitated; and the motor is a low-voltage motor, so that the personal safety in case of electric leakage is ensured.

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 invention provides a linear motor. The linear motor comprises a stator and a mover which linearly moves along a first direction relative to the stator, and the mover comprises a mover iron core and a plurality of groups of coils; the rotor iron core comprises a yoke part and a plurality of tooth parts, the plurality of tooth parts are connected with the yoke part and arranged at intervals in the first direction, each tooth part extends in the second direction, and a wire slot is formed between every two adjacent tooth parts in the plurality of tooth parts; the plurality of groups of coils are respectively sleeved on at least partial tooth parts in the plurality of tooth parts; wherein the length of each tooth part in the plurality of tooth parts in the second direction is a first length, the width of each tooth part in the plurality of tooth parts in the first direction is a first width, the length of the coil in the second direction is a second length, the sum of the width of the wire slot in the first direction and the first width is a second width, and the first length is smaller than the second length; the ratio of the first width to the second width is larger than or equal to 0.25 and smaller than or equal to 0.55.

The invention relates to the technical field of fabric antibacterial component detection, and specifically to a fabric antibacterial component detection device based on near-infrared spectroscopy technology, comprising a base plate, wherein the left and right sides of the top of the base plate are respectively fixedly connected with a winding roller placement seat, the tops of the two winding roller placement seats are respectively fixedly connected with an electric winding roller and a cloth rolling roller placement mechanism, the front and rear sides of the top of the base plate are respectively fixedly connected with side plates, the left and right sides of the opposite surfaces of the two side plates are respectively movably connected with scanner connecting frames, and the tops of the opposite surfaces of the two scanner connecting frames are fixedly connected with a fabric fixing mechanism. By providing the fabric fixing mechanism, the stability and accuracy of the fabric during the detection process are significantly improved. Specifically, the mechanism drives a disc and an elliptical push-pull block thereon to rotate through a motor, thereby driving a push-pull rod and a clamping plate connecting rod to move up and down, so that the two groups of clamping plates and the second clamping plate can work together to firmly and evenly clamp the fabric.

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 utility model relates to a double split rectifier transformer adopting transposed conductors, which comprises an iron core and windings, the windings comprise an upper low-voltage winding and a lower low-voltage winding, the upper low-voltage winding and the lower low-voltage winding are both wound by transposed conductors, the bottom of the upper low-voltage winding is provided with a winding lower wire end I, and the top of the upper low-voltage winding is provided with a winding upper wire end I; the bottom of the lower low-voltage winding is provided with a winding lower wire head II, the top of the lower low-voltage winding is provided with a winding upper wire head II, the winding lower wire head I and the winding lower wire head II are mutually connected, and the winding upper wire head I and the winding upper wire head II are respectively connected with the wiring terminal through crimping heads. According to the utility model, the winding adopts the transposed conductor, so that the manual transposed winding process is omitted, the winding process is simplified, the winding precision is improved, and the winding period is shortened. The transposed conductor can be directly connected with the wiring terminal without a copper bar, so that the traditional process of welding the copper bar is omitted, the processing time is reduced, and the wire leading operation becomes simple and rapid.

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.

The utility model discloses a harmonic suppression circuit and system, and relates to the field of harmonic suppression, the circuit is provided with a first differential mode filter module, a second differential mode filter module, a third differential mode filter module, a common mode inductor, a first common mode filter module, a second common mode filter module and a third common mode filter module, the differential-mode filtering modules, the common-mode filtering modules and the inductor are used for filtering so as to filter out higher harmonics and electromagnetic interference in electric energy, the three windings of the common-mode inductor are correspondingly connected with the differential-mode filtering modules and the common-mode filtering modules respectively, and the lengths and the impedances of the three windings are equal, so that the three windings cannot be wound in a lap mode, and the power consumption is reduced. The differential-mode filter module is simple in winding and cannot cause current imbalance, in addition, the lengths of the three windings are equal, so that the lengths of the differential-mode filter modules are equal after the differential-mode filter modules are connected to the windings, a loop is short, parasitic inductance and capacitance in a circuit are reduced, and loss is reduced.