35results about How to "Simple winding structure" patented technology

A brushless direct current (BLDC) motor has a 3-phase winding 20 and six stator teeth 14, 15 with alternate stator teeth 14 being wound and the remaining stator teeth 15 being left unwound. The winding 20 has three legs, one for each phase and each leg has one coil 22 wound about one of the stator teeth 14. Each leg has a first end A,B,C, arranged to receive electrical power and a second end X,Y,Z, which is connected to the second end of the other legs to form a star connection 24. Selected stator teeth have grooves in a face thereof dividing those teeth into a plurality of stator poles. The motor may be used to drive a fuel pump for an internal combustion engine, typically for a vehicle.

The invention discloses a wave power generation device based on a linear magnetic gear motor. The wave power generation device comprises a motor stator core, a motor converter, a magnetism regulating ring, a magnetic gear low-speed moving part, an inner floating barrel and an outer floating barrel. The motor stator core is sleeved with the motor converter, the motor converter is sleeved with the magnetism regulating ring, the magnetism regulating ring is sleeved with the magnetic gear low-speed moving part, the magnetic gear low-speed moving part is sleeved with the inner floating barrel, and the inner floating barrel is sleeved with the outer floating barrel. A first air gap is formed between the motor stator core and the motor converter, a second air gap is formed between the motor converter and the magnetism regulating ring, and a third air gap is formed between the magnetism regulating ring and the magnetic gear low-speed moving part. A motor stator shaft and the magnetism regulating ring are fixed in position, and the magnetic gear low-speed moving part and the inner floating barrel are fixed in position. The wave power generation device has the advantages that no huge speeders need to be additionally arranged, the size is small, energy capture and power generation efficiency is high, and convenience is brought to design, debugging and maintenance of an electrical control system through the whole floating suspended structure.

The invention discloses a unified-winding bearingless motor. The motor is characterized in that the motor comprises a stator and a rotor. Each two adjacent teeth arranged on the stator forms one pair; and for the two pair of opposite teeth arranged on the periphery of the stator based on a phase difference of 180 degree for each phase, one group of windings is arranged on one pair of teeth; and two sets of windings of each phase are driven by a drive module. Besides, two position sensors for measuring a deviation position of a rotor are arranged on the stator; and a 90-degree phase difference exists between the two position sensors. In addition, the motor also includes a drive control system connected with the drive module. According to the invention, the structure is simple; the rotor is suspended; no mechanical wearing phenomenon occurs; no mechanical bearing supporting is required; the hardware structure is simple; and a bridge shoot-through problem can be solved.

The invention provides a three-phase flat wire motor stator winding. The three-phase flat wire motor stator winding is characterized in that a stator comprises eight poles and 48 rectangular stator slots formed at equal intervals, a number of layers of conductors in each rectangular stator slot is eight, the stator has three phases of winding structures in total, each phase of winding structure comprises two branch circuits which are connected in series, each phase of winding structure comprises an insertion side and a welding side, each welding side is provided with a power supply leading-outwire, pitch of the insertion sides is 6, each phase of winding structure is a U-shaped wire, an inner layer of the stator winding leads out a serial leading-out wire, and an outer layer of the winding leads out the power supply leading-out wires and a star point connecting wire; and the three-phase flat wire motor stator winding processes the serial leading-out wire connection, star point connecting wire connection and power supply leading-out wire connection of the two branch circuits of the same phase on the outer layer in a centralized manner. The three-phase flat wire motor stator windingsimplifies the winding structure, improves the winding insertion and manufacturing processability, realizes mechanical automatic wire insertion, shortens the size of end portions of the winding, reduces the overall size of the flat wire motor, and reduces the axial installation space of a driving motor.

The invention relates to the field of DC/DC conversion, and aims at providing a rectifier circuit for realizing the voltage clamp of a rectifier tube by using a double-power transformer. The rectifier circuit comprises two power transformers, four rectifier diodes, and two auxiliary capacitors, wherein two secondary windings of the power transformer have a center-tapped rectifying structure respectively. The rectifier circuit of the invention simplifies the winding structure of each transformer, and enhances the use ratio of a magnetic core window. On different occasions, primary windings of the two power transformers can adopt a serial or parallel connection structure flexibly. The rectifier circuit of the invention can effectively restrain the parasitic oscillation of voltages on the rectifier tube by aid of nondestructive capacitance energy-storage components without any active auxiliary devices; the production of the center-tapped secondary windings of the power transformer is relatively simple, and the connection between the transformers and the external electric components is reduced, which is helpful for improving power density. Therefore, the rectifier circuit is suitable for topological structures of various converters.

The invention discloses a brushless motor stator and a brushless motor. The brushless motor stator comprises a stator core assembly and stator windings, wherein the stator windings are arranged on thestator core assembly in a wound mode. The stator core assembly is provided with a plurality of winding teeth which are distributed at intervals in the circumferential direction, a wire slot is formedbetween any two adjacent winding teeth, and the stator windings are accommodated in the wire slots and are arranged on the winding teeth in a wound mode. The stator windings comprise a plurality of phase windings, each phase winding comprises two lead ends, and the adjacent lead ends of any two adjacent phase windings penetrate out of the same wire slot. The adjacent lead ends of any two adjacentphase windings in the brushless motor stator penetrate out of the same wire slot, the winding structure of the stator windings is simplified, so that the structure is simple, the manufacturability isgood, the efficiency is high, gas bridge wires are not prone to being scratched, and the risk of inter-turn short circuit can be reduced.

The invention relates to a method for winding a superconductive magnet, which uses more than two single blocks to wind the two single blocks into a double block by belt material, comprising the following steps of: 1) designing the shapes of spools as required, wherein one side of each spool is provided with a convex ring and the other side of each spool is provided with a concave part; 2) winding the double block: firstly, fixing the position of a single block spool, winding the belt material from an end point to a fixed spool, and welding a contact surface of the belt material and the spool; secondly, synchronously rotating the fixed spool and the belt material, and winding the belt material onto the fixed spool; thirdly, after fixing the total length of the belt material, cutting the belt material and fixing the other single block spool, welding a cutting position of the belt material on the single block spool, synchronously rotating the spools of the two single blocks and winding the belt material from the one spool to the other spool; and finally, when the lengths of the belt material of the two blocks are equal to the number of windings, stopping synchronously rotating, fixing one spool, and horizontally moving and rotating the fixed single block, so that the two single blocks are superposed to form a transition layer; and 3) assembling the magnet: inserting the convex ring of the double block spool into the concave part of the adjoining double block spool. The method can be widely used for winding various superconductive magnets.

A motor (100) includes: a rotor (10) having permanent magnets (12) with N poles and S poles alternately arranged in the circumferential direction; seven stator magnetic pole groups, each having a plurality of stator magnetic poles (53, 54, 55, 56, 57, 58, 59) arranged in the circumferential direction in such a manner that the stator magnetic poles are shifted both in the circumferential directionand the axial direction; and a plurality of loop windings (41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52) formed in the circumferential direction while being arranged at the adjacent position to each of the stator magnetic pole groups along the axial direction.

The invention discloses a cloth winding drum split winding mechanism. The mechanism comprises a machine frame, wherein a support frame and two placement frames are fixed to the top surface of the front end of a top plate of the machine frame, winding support blocks are fixed to the left part and the right part of the top surface of the rear end of the top plate of the machine frame, and a windingroller is arranged between the two winding support blocks. According to the cloth winding drum split winding mechanism, the two ends of a cloth winding drum roller can be mounted on a roller body connecting seat, and the roller body connecting seat can be automatically lifted, lowered and conveyed; when the mechanism is disassembled, the roller body connecting seat and the cloth winding drum roller are taken out at the same time, and a new cloth winding drum roller with a new roller body connecting seat well mounted is directly lifted, conveyed and lowered, thus completing the installation, and in this way, automatic mounting and dismounting of the cloth winding drum roller is achieved, high efficiency and fast replacement can be achieved; and meanwhile, a winding structure is simple in structure, and the winding roller and a rotary connecting block can be automatically mounted on the winding support blocks through the operation of a mobile main motor, mounting and dismounting are convenient, the automation degree is high, and the production efficiency is greatly improved.

The invention discloses a wound super capacitor. The wound super capacitor includes a capacitor housing, a wound core package, electrolyte and a sealing cover, wherein the wound core package is formedby winding a positive electrode tab, a negative electrode tab, a first porous diaphragm and a second porous diaphragm, and the first porous diaphragm, the negative electrode tab, the second porous diaphragm and the positive electrode tab are arranged sequentially from outside to inside. The wound super capacitor is advantaged in that the positive electrode tab is arranged at an inner side of thesecond porous diaphragm, the positive electrode tab is shorter than the negative electrode tab, a positive voltage is borne, the diaphragms can be effectively prevented from breaking, the cycle life of products is prolonged, the wound structure is simple, super capacitors of different sizes can be processed, and product consistency is improved.

The invention discloses a wide-speed variable-speed motor with excitation direct-control alternating current-direct current shaft self decoupling. The variable-speed motor is composed of a stator, a rotor, and a permanent magnet. The stator consists of a stator iron core and armature windings; the stator iron core is designed to have an opening groove structure; and the armature windings are arranged in the opening grooves of the stator iron core. The armature windings provide power through an inverter and generate alternating currents with direct-current biases; the armature windings are arranged in a distributed centralized winding manner and each winding winds around stator teeth. The rotor includes a rotor iron core. According to the motor disclosed by the invention, the winding structure is simplified; the direct-current winding and the alternating-current winding of the existing hybrid excitation motor are combined into one set of windings, so that the winding difficulty can be reduced, the space, occupied by the windings, inside the stator can be saved. And reliability and control flexibility of the motor can be improved. Moreover, speed regulation of a motor in a wide rotating speed range can be realized.

Embodiments of the invention disclose a magnetic levitation switch reluctance flywheel motor and a decoupling control method. The magnetic levitation switch reluctance flywheel motor comprises an outer rotor iron core (1) and a stator iron core (4), wherein the outer rotor iron core (1) and the stator iron core (4) are nested in sequence in a concentric manner; the outer rotor iron core (1) comprises a salient pole rotor (2) and a cylindrical rotor (3) in an axial recombination manner; eight rotor salient poles are arranged on the inner wall of the salient pole rotor (2) at equal intervals; each rotor salient pole has no winding; twelve stator salient poles (5) are arranged on the outer wall of the stator iron core (4) at equal intervals; and each stator salient pole is wound by a set of stator windings (6). By adoption of the embodiments of the magnetic levitation switch reluctance flywheel motor and the decoupling control method, the decoupling control on an electric/power generation function and a radial levitation function can be realized; the flywheel rotor strength can be enhanced; the size of the overall machine can be reduced; the dynamic characteristics and the stability of the system are improved; and the high-adaptivity characteristic of the magnetic levitation switch reluctance flywheel motor is further performed.

The invention discloses a quadrupole permanent-magnet brush coreless motor rotor structure. The structure comprises a cylindrical coil, a disc, a commutator and a shaft; the shaft is fixedly connectedwith the center of the disc, one end of the cylindrical coil is fixed to the circumference of the disc, and the disc is made of an insulating material; and the commutator is coaxially arranged on theouter side of the disc, the cylindrical coil comprises three coil groups, and each coil group at least comprises two independent coils and is provided with a wire inlet head and a wire outlet head which can be connected with the commutator. According to the structure, a magnetic circuit is shortened, flux leakage is prevented, the equipment weight is decreased, the motor heat loss is reduced, theefficiency is improved, the brush number is decreased, the structure is simple, the winding wire head arrangement is regular, and the process is simple.