Closed electromagnetic field magnetic point motor
Through the design of the closed electromagnetic field magnetic point motor, the radial magnetic rotor and axial wire frame structure are adopted, combined with the electronic commutator and the multi-phase axial wire frame, the existing motor energy loss and low wireless power transmission efficiency are solved, and high-energy-efficient and low-loss motor operation and high-efficiency energy transmission are achieved.
Patent Information
- Application Number
- CN202322653388.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2023-09-24
- Publication Date
- 2025-08-26
- Estimated Expiration
- 2033-09-24
AI Technical Summary
Existing DC motors and brushless motors lose a lot of energy, generate serious heat when rotating at high speed, and have large starting current, making it difficult to achieve efficient and stable motor speed control. The production cost of hollow cup motors is high and the application is limited. The new energy vehicle motors are low in energy efficiency, and the existing wireless power transmission technology is low, making it impossible to achieve high-efficiency energy transmission from a long distance.
The closed electromagnetic field structure of the radial magnetic rotor and the axial wire frame is adopted to realize a brushless and coreless magnetic point motor through an electronic commutator. The magnetic point resonates and moves in the closed electromagnetic field. Combined with the multi-phase axial wire frame and the motor controller, the current direction and phase difference are optimized to achieve efficient energy transmission and speed control.
It realizes high-energy-efficient and low-loss motor operation, improves the power-to-weight ratio and rotation speed of the motor, solves the energy loss problem of the motor during high-speed operation, and improves the wireless power transmission efficiency. It is suitable for the fields of new energy vehicles and micro motors.
Smart Images

Figure CN223273920U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to a motor, in particular to a magnetic point motor with a closed electromagnetic field. Background Art
[0002] Existing brushless DC motors are not true DC motors. These so-called DC motors merely operate with a DC input current, which is unstable. The internal magnetic and electrical processes and operating principles of brushed and brushless DC motors are based on AC electromagnetic fields. Therefore, these so-called DC motors still suffer from the iron and copper losses inherent in transformers. These losses lead to significant energy loss and excessive heat generation at high speeds, making ultra-high-speed operation difficult. All current electric motors and DC motors are based on the Faraday armature type. The working principle of a DC generator is to convert the alternating electromotive force induced in the armature coil into a DC electromotive force when it is drawn out of the brush terminals through a commutator and brushes. The direction of the force acting on the conductor is determined by the left-hand rule. A brushless motor is a conventional DC motor with the stator and rotor interchanged. The rotor uses permanent magnets to generate air-gap flux, while the stator has two armatures composed of multi-phase windings. The stator structure of a brushless motor is similar to that of a conventional synchronous or induction motor. A multiphase winding (three, four, or five phases) is embedded within the iron core. These windings can be connected in a star or delta configuration and are individually connected to the inverter's power transistors for optimal commutation. The rotor is typically constructed of rare earth materials with high coercivity and high remanent magnetic density, such as samarium cobalt or neodymium iron boron. Depending on the placement of the magnetic material within the poles, they can be categorized as surface-type, embedded-type, or ring-type. Because the motor itself is a permanent magnet, brushless motors are also commonly referred to as permanent magnet brushless DC motors. In a brushed motor, two copper or carbon brushes are fixed to the motor's rear cover via an insulator, directly connecting the positive and negative power lines to the rotor's commutator. The commutator connects the rotor's coils, and the three coils' polarity constantly alternates, generating a force that acts upon two magnets fixed to the housing, causing rotation. Because the commutator is fixed to the rotor, while the brushes are fixed to the housing (stator), constant friction between the brushes and the commutator generates significant resistance and heat as the motor rotates. This results in low efficiency and significant losses for brushless motors. However, they also offer advantages such as simple manufacturing and low cost.
[0003] Because the motor's armature circuit resistance and inductance are relatively low, while the rotating element has a certain amount of mechanical inertia, the armature speed and corresponding back EMF are very low during the initial starting phase after the motor is powered on, resulting in a high starting current, reaching up to 15 to 20 times the rated current. This current can cause grid disturbances, mechanical shock to the unit, and sparking in the commutator. Therefore, direct-on-line starting is only suitable for motors with a power of 4 kW or less (starting current is 6 to 8 times the rated current). To limit the starting current, specially designed variable resistors are often inserted in series in the armature circuit. This method is widely used in various small and medium-sized DC motors. However, due to the high energy consumption during starting, it is not suitable for motors that are frequently started or for medium and large DC motors. However, for certain special needs, such as city trams, which are frequently started, series resistor starting is often used to simplify equipment, reduce weight, and facilitate operation and maintenance. For larger DC motors, reduced-voltage starting is often used. This means that the motor armature is powered by a separate, adjustable-voltage DC power supply. Controlling the power supply voltage ensures smooth starting and speed regulation. This method requires more complex power supply equipment.
[0004] The control structure of a brushless motor is a type of synchronous motor. This means the motor's rotor speed is affected by the speed of the motor's stator's rotating magnetic field and the number of rotor poles (P), where N = 120.f / P. With a fixed number of rotor poles, the rotor speed can be varied by changing the frequency of the stator's rotating magnetic field. A brushless motor is a synchronous motor with an electronic control (driver) that controls the frequency of the stator's rotating magnetic field and feeds the rotor speed back to the control center for repeated correction, aiming to achieve characteristics similar to those of a DC motor. This means that a brushless motor can maintain a constant rotor speed within the rated load range despite load fluctuations.
[0005] The switched reluctance motor is an AC motor. When the rotor rotates, the magnetic resistance of the magnetic circuit must change as much as possible. Therefore, the stator and rotor of the motor both adopt a double-salient pole structure and are made of stacked silicon steel sheets. A simple concentrated winding is installed on each stator pole, and the windings on the two radially opposite stator poles are connected in series or in parallel to form one phase. There are no windings or permanent magnets on the rotor. According to the number of phases of the motor, it can be divided into odd phases and even phases. According to the magnetic circuit structure of the motor, it can be divided into a two-pole long magnetic circuit structure and a four-pole short magnetic circuit structure. According to the power-on excitation mode of the motor, there are single-phase excitation and multi-phase excitation.
[0006] The coils of a coreless motor resemble a water cup, hence the name. As a DC motor, the coreless motor features a structural breakthrough from traditional motor rotor structures, significantly reducing weight and moment of inertia, thereby minimizing mechanical energy losses within the rotor itself. This change in rotor structure improves the motor's operating characteristics, offering not only outstanding energy savings but, more importantly, control and drag characteristics unattainable with iron-core motors. This novel ironless rotor design completely eliminates the energy loss caused by eddy currents in the iron core. Energy-saving features include high energy conversion efficiency, typically exceeding 70%. Control features include rapid starting and braking, extremely fast response, and a mechanical time constant of less than 28 milliseconds (compared to iron-core motors, which are typically over 100 milliseconds). Speed can be easily and sensitively adjusted at high speeds within the recommended operating range. Driving characteristics: Reliable operating stability and minimal speed fluctuations. As a micro motor, speed fluctuations can be easily controlled to within 2%. Furthermore, coreless motors offer significantly higher energy density, reducing their weight and volume by 1 / 3-1 / 2 compared to iron-core motors of equivalent power. Coreless motors overcome technical barriers that iron-core motors face, and their key advantages are focused on applications where fast response is crucial. These include rapid missile flight direction adjustment, high-speed optical drive servo control, rapid autofocus, highly sensitive recording and detection equipment, industrial robots, bionic prosthetics, and model aircraft. However, the coil production process for coreless motors is extremely complex, and the level of automation is far less than that of iron-core motors. This leads to high production costs, labor costs, and the requirement for skilled operators. This creates significant challenges and limitations for large-scale production. Because coreless motors can only be made very thin, their application is limited to micro-motors, resulting in low torque and power, typically only a few watts, with a maximum power of only a few hundred watts, compared to tens of kilowatts or more for electric vehicle motors.
[0007] New energy vehicles have three core components: batteries, motors, and electronic controls. Motors generally use three-phase permanent magnet synchronous motors and three-phase AC induction motors, which are high-power AC motors. Since new energy vehicles generally use AC motors, and the battery pack outputs DC power, electronic controls have to be added to rectify DC power into three-phase AC power. This not only increases costs by more than ten percent, but also reduces energy efficiency. Accidents often occur due to failures in the electronic control system. The overall energy efficiency is only about 85%, which is equivalent to a reduction of one or two hundred kilometers in mileage. This is very important for new energy vehicles today. my country's future standard requirements for new energy vehicle motors are peak power ratios of 5 to 7 kilowatts per kilogram, and duration of 30 seconds. Summary of the Invention
[0008] The fundamental reason why existing wireless power transmission technology cannot achieve truly effective long-distance energy transmission is that it adheres to the electromagnetic wave resonance theory of the wireless receiving end. The wireless receiving end uses an induction coil without its own magnetic field, and the wireless transmitting end is an open electromagnetic field. When the induction coil without its own magnetic field is exposed to the long-range action of the wireless transmitting end, the energy received by the induction coil without its own magnetic field decreases with the square of the distance from the transmitting end. Moreover, the induction coil without its own magnetic field can only establish a weak passive magnetic field under the induction of the weak electromagnetic field of the transmitting end, and therefore cannot effectively receive the energy of the transmitting end. Even the mobile phone wireless chargers currently used in the market cannot achieve ultra-long-distance reception. The mobile phone still has to be placed on the wireless charger, and the energy reception efficiency is very low. From the perspective of electromagnetic theory, a wireless transmitter can be regarded as a point source, but in fact, a wireless transmitter is not a point source, or it is a wireless transmitter array composed of countless point sources. The electromagnetic field in the space outside the transmitter array is divergent, but the electromagnetic field within the array is closed, and the electromagnetic field strength does not decrease with the square of the distance. It has a strong magnetic flux density. If the wireless receiver uses an open magnet with its own magnetic field, the wireless power receiving ability will be hundreds of times stronger than the induction coil. One or more magnets are placed as magnetic points in the closed space electromagnetic field formed by an electric coil, without considering the mass and volume of the magnet. Assuming that the magnet is a magnetic point with a certain magnetic field strength, then no matter what form of electromagnetic wave, whether low frequency or high frequency, alternating current, long wave, short wave and microwave, etc., the magnetic point will resonate with the electromagnetic wave of the transmitter, and the magnetic point will strengthen the surrounding electromagnetic field. Or the magnetic point can be regarded as part of the wireless transmitter. Therefore, the magnetic point in a wireless closed electromagnetic field can effectively and efficiently receive wireless electromagnetic energy. The magnetic point resonance in a wireless closed electromagnetic field can realize the application of wireless power in the home, realize true wireless charging of mobile phones and electric vehicles, and even the wireless power source of electric vehicles. Magnetic point resonance is one oscillation at the same frequency, and the other is rotation at the same frequency. In fact, the magnetic points are magnets composed of countless magnetic points. Magnets have mass and volume. Under the action of a changing electromagnetic field, movement produces inertia. The greater the mass and volume, the more difficult it is to resonate with the changing electromagnetic field, and the higher the frequency, the more difficult it is to resonate. Conversely, the smaller the frequency, the easier it is to resonate. As far as existing magnetic materials are concerned, to realize wireless power transmission, only electromagnetic fields below 10,000 Hz can be used. Although the frequency is low, the actual effect is far better than existing wireless power transmission technology.
[0009] A magnetic dot is an open magnetic field. On both the microscopic and macroscopic levels, it is a simple NS magnetic field. A magnetic system with a rotational arrangement like NSNSNS- is a closed magnetic field. A closed magnetic field cannot serve as a long-distance wireless power receiver. Not only can a closed magnetic field not serve as a long-distance wireless power receiver, its electromagnetic interaction is also far less effective than an open magnetic field like a magnetic dot. The closed electromagnetic field created by a coil can act on a magnetic dot from a distance. This means that the wire can be made very thick, the current flowing through it can be multiplied, and the number of turns in the wire winding can be increased. It also means that each section of wire can interact with any magnetic dot in the closed magnetic field. This is not a simple linear relationship. The electromagnetic interaction between the wire current and the magnetic dot does not follow Faraday's law, Ampere's law, or Lenz's law. The magnitude of the electromagnetic interaction between the closed electromagnetic field created by the coil and the magnetic dot is proportional to the total cross-sectional current of the wire, the length of the coil, inversely proportional to the square of the distance, proportional to the magnetic flux of the magnetic dot, and also related to the direction of the magnetic field vector. According to magnetic point theory, magnetic points can not only efficiently receive wireless power, but the synchronously rotating magnetic points can also function as motors and generators, achieving over 99% energy efficiency and the highest power-to-weight ratio available. According to magnetic point theory, there is no essential difference between radio waves, AC current, and varying magnetic fields. Magnets behave the same in AC coils as they do in radio waves. The magnetic point motor is the wireless power receiver.
[0010] In order to overcome the shortcomings of existing DC motors and brushless motors and improve the energy efficiency, speed and power-to-weight ratio of motors, the utility model targets the shortcomings of existing motors. According to the magnetic point theory, the magnetic point resonates with the wireless changing electromagnetic field in the three-dimensional space surrounded by the closed electromagnetic field conductor coil. The entire radial magnetic rotor is enclosed by a rectangular axial wire frame winding. Through the electronic commutator, the magnetic point motor performs circular resonant motion, and the rotation direction remains unchanged, thereby achieving brushless, coreless, high torque, high speed and high energy efficiency.
[0011] In order to achieve the above-mentioned purpose, the present invention adopts a technical solution: including a radial magnetic rotor, a casing, an axial wire frame, and a bearing, characterized in that: the radial magnetic rotor includes a shaft and a radial magnet, the radial magnet is a magnetic roller composed of a radial NS two-pole magnetic field, the shaft is tightly connected to the radial magnet, the magnetic field direction of the radial magnet is perpendicular to the axial direction of the shaft, the radial magnet and the shaft are coaxially equipped, the casing is a fixing part supporting the axial wire frame and the radial magnetic rotor, the casing is cylindrical or a cylindrical structure, with a cover at one end or both ends, a bearing seat is provided in the center of the two ends of the casing, the shaft of the radial magnetic rotor is installed with a bearing, the bearing is set in the bearing seat at the center of the two ends of the casing, and the axial wire frame is arranged between the casing. Inside, or, the axial wire frame is arranged outside the casing, the axial wire frame is a ring-shaped or rectangular wire winding, the axial wire frame has one phase or two phases or multiple phases, the two phases or multiple phases are cross-distributed at a certain angle, the axial wire frame is sleeved by the radial magnet, the radial magnet is in the closed magnetic field of the axial wire frame, the radial width of the axial wire frame is greater than the diameter of the radial magnet, there is a rotation gap between the axial wire frame and the radial magnet, the radial magnet, casing, axial wire frame, bearing and shaft are coaxially assembled, the casing and the axial wire frame are fixed, the radial magnet rotates relatively in the axial wire frame, the radial rotating magnetic field relatively cuts the axial wire frame, and the wire end of the axial wire frame is led out from the casing.
[0012] The radial magnet is a magnetic roller composed of a radial NS dipole magnetic field. This radial NS dipole magnetic field refers to the radial magnetic rotor. Regardless of the number of permanent magnets arranged on the rotating circumference, the overall magnetic field direction is still a radial NS dipole magnetic field, such as NS, NNSS, NNNNSSSS, etc. These arrangements are all radial NS dipole magnetic fields, representing magnetic points with open magnetic fields. On the other hand, arrangements such as NSNS, NSNSNS, NSNSNSNS, etc. on the rotating circumference are not radial NS dipole magnetic fields, but rather quadrupole, sextupole, octupole, or multipole magnetic systems. Multipole magnetic systems are all closed magnetic fields and cannot be used as wireless power receivers.
[0013] The radial magnet is located within the closed magnetic field of the axial wire frame. The closed magnetic field of the axial wire frame refers to the three-dimensional space of the diameter or width of the closed wire frame coil. That is, the height of the closed electromagnetic field of a circular ring is approximately equal to the diameter, and the height of the closed electromagnetic field of a rectangular ring is approximately equal to the width. The closed magnetic field of the axial wire frame is the electromagnetic field area enclosed by the axial wire frame multiplied by the electromagnetic field height. The radial magnet can only effectively induce electromagnetic effects or receive wireless power when it is within the above-mentioned three-dimensional space.
[0014] The closed electromagnetic field magnetic point motor has a motor controller. The closed electromagnetic field magnetic point motor measures and controls the back electromotive force of the axial wire frame through the motor controller, so that the current switch change of the axial wire frame changes as the magnetic field rotates to a certain position, and the axial current direction corresponding to the radial NS dipole magnetic field direction of the radial magnet remains unchanged.
[0015] The axial wire frame has two or more phases, which are cross-distributed at a certain angle. The multi-phase refers to more than three phases. Multi-phase is conducive to more stable operation of the motor power, but the more phase groups there are, the more complicated the electronic control circuit is. The output or input phase of the magnetic point motor of the present invention is different from the phase of the existing three-phase motor. The phase difference of the existing three-phase motor is 120 degrees. This is because each phase winding is on one side of the magnet and can only correspond to one magnetic pole. The magnetic point motor of the present invention has a radial magnet wrapped inside each phase winding, so each phase winding corresponds to two magnetic poles at the same time. Therefore, the phase difference of two phases is 90 degrees, three phases is 60 degrees, and four phases is 45 degrees. The phase difference of the magnetic point motor of the present invention is 180 degrees of half-wave phase superposition, and it is positive superposition. Therefore, it will not offset and reduce part of the voltage, the waveform is more stable, and both square wave and sinusoidal wave currents can be effectively used.
[0016] The housing is cylindrical or has a cylindrical structure. The cylindrical structure refers to an open structure with only a basic cylindrical load-bearing frame and no closed surfaces. The housing can be made of one or more materials, preferably Teflon or carbon fiber, followed by nylon, stainless steel, and aluminum alloy. If the motor's iron loss is not required, iron materials such as silicon steel can be used. Closed electromagnetic field magnetic point motors do not have the limitations of an iron core, and the wires can be made as thick as possible, resulting in very low copper loss. If there is no iron loss, the housing can be made of materials such as plastics with poor thermal conductivity.
[0017] The casing is cylindrical or has a cylindrical structure, which refers to a casing including a cylindrical, square cylindrical, hexagonal cylindrical, polygonal cylindrical and nearly cylindrical shapes. Since the cylindrical structure is the best structure as a casing, the present invention only selects casing shapes that have practical functional significance. Casings of any other shapes do not exceed the basic functions of the cylindrical casing structure. Therefore, casings of other shapes cannot be used as casings with another completely new function.
[0018] The axial wire frame is a rectangular wire winding, which means that the plane shape of the wire winding frame is rectangular when viewed from above, and the four-sided wires of the rectangular axial wire frame are exactly parallel to the rectangular plane of the radial magnet when viewed from above. This is the best form of electromagnetic induction. The axial wire frame is a ring-shaped wire winding, which means that the plane shape of the wire winding frame is ring-shaped when viewed from above. The ring includes wire windings in shapes such as circular, elliptical, and polygonal. Regardless of whether the axial wire frame is a ring-shaped or rectangular winding, the radial magnet must be in the closed magnetic field of the axial wire frame, the casing or with.
[0019] When the axial wire frame is single-phase, the current switch change of the axial wire frame changes with the direction of rotation of the magnetic field, and the axial current direction corresponding to the radial NS dipole magnetic field direction remains unchanged. That is, no matter which position the radial magnet rotates to, the axial current direction corresponding to the N pole is always positive, and the axial current direction corresponding to the S pole is always negative. Alternatively, no matter which position the radial magnet rotates to, the axial current direction corresponding to the N pole is always negative, and the axial current direction corresponding to the S pole is always positive. The above conversion process is completed by the position sensor feeding back to the motor controller.
[0020] When the axial wire frame is two-phase, the two-phase axial wire frames cross each other at 90 degrees and form a "cross" shape. The two-phase axial wire frames have four axial wires in the upper, left, lower and right directions, wherein the upper and lower directions are two axial wires of one phase axial wire frame, and the left and right directions are two axial wires of the other phase axial wire frame. The current switch change of the two-phase crossed axial wire frame changes with the direction of rotation of the magnetic field, and the axial current direction corresponding to the radial NS dipole magnetic field direction remains unchanged, that is, no matter which position the radial magnet rotates to, the axial current direction corresponding to the N pole is always positive, and the axial current direction corresponding to the S pole is always reverse, or, no matter which position the radial magnet rotates to, the axial current direction corresponding to the N pole is always positive. In reverse, the axial current direction corresponding to the S pole is always forward. When the current direction of the upper axial wire corresponding to the N pole is forward, the current direction of the lower axial wire corresponding to the S pole is reverse. When the N pole rotates to the left axial wire, the current direction of the left axial wire corresponding to the N pole is forward, and the current direction of the right axial wire corresponding to the S pole becomes reverse. When the N pole rotates to the lower axial wire, the current direction of the lower axial wire becomes forward, and the current direction of the upper axial wire corresponding to the S pole becomes reverse. When the N pole rotates to the right axial wire, the current direction of the right axial wire becomes forward, and the current direction of the left axial wire corresponding to the S pole becomes reverse. The above conversion process is completed by the position sensor feeding back to the motor controller.
[0021] When the axial wire frame is three-phase, the three-phase axial wire frames cross each other at 60 degrees, and the three-phase axial wire frame has six axial wires A, B, C, D, E, and F in sequence, wherein A and D are two axial wires of the first-phase axial wire frame, B and E are two axial wires of the second-phase axial wire frame, and C and F are two axial wires of the third-phase axial wire frame. The current switch change of the three-phase crossed axial wire frame changes with the direction of rotation of the magnetic field, and the axial current direction corresponding to the radial NS dipole magnetic field direction remains unchanged, that is, no matter which position the radial magnet rotates to, the axial current direction corresponding to the N pole is always positive, and the axial current direction corresponding to the S pole is always reversed, or, no matter which position the radial magnet rotates to, the axial current direction corresponding to the N pole is always reversed, and the axial current direction corresponding to the S pole is always positive. When the current direction of the A part axial wire corresponding to the N pole is positive, the S pole is positive. The current direction of the corresponding D-part axial wire is reverse. When the N pole rotates to the B-part axial wire, the current direction of the B-part axial wire corresponding to the N pole is forward, and the current direction of the E-part axial wire corresponding to the S pole is reverse. When the N pole rotates to the C-part axial wire, the current direction of the C-part axial wire corresponding to the N pole is forward, and the current direction of the F-part axial wire corresponding to the S pole is reverse. When the N pole rotates to the D-part axial wire, the current direction of the D-part axial wire becomes forward, and the current direction of the A-part axial wire corresponding to the S pole becomes reverse. When the N pole rotates to the E-part axial wire, the current direction of the E-part axial wire becomes forward, and the current direction of the B-part axial wire corresponding to the S pole becomes reverse. When the N pole rotates to the F-part axial wire, the current direction of the F-part axial wire becomes forward, and the current direction of the C-part axial wire corresponding to the S pole becomes reverse. The above conversion process is completed by the position sensor feeding back to the motor controller.
[0022] The electronic conversion process for motor operation can be completed by an LGBT module or MOS module motor controller. The output or input phase of this motor differs from that of existing three-phase motors. Existing three-phase motors have a phase difference of 120 degrees. This is because each phase winding is on one side of the magnet and can only correspond to one magnetic pole. In this motor, each phase winding encloses a radial magnet, so each phase winding corresponds to two magnetic poles at the same time, resulting in a 60-degree three-phase phase. The phase difference of this motor is 180 degrees. The phases are superimposed within the half-wave, and the superposition is positive. Therefore, it does not offset or reduce part of the voltage, resulting in a smoother waveform, and can effectively use both square wave and sine wave currents.
[0023] When the axial wire frame is one-phase or two-phase, the housing is in the shape of a square cylinder with a cover at one end, the cover having a wire lead-out hole, bearing seats at the centers of the two ends of the housing, axial ridges on the midlines of the four surfaces of the inner wall of the housing, the width of the axial ridges being equal to or greater than the diameter of the shaft, the axial wire frame is one-phase or two-phase, and each phase axial wire frame is divided into two groups, with the axial ridges being located between the two groups of axial wire frames. Alternatively, the casing is composed of two square end panels, four long rods, and four rectangular side panels fixedly connected. There are bolt holes at both ends of the long rods, and through holes at the four diagonal corners of the square end panels. Bolts pass through the through holes and are fixedly connected to the four long rods to form a basic structure. There is a bearing seat in the center of the square end panel, and the four rectangular side panels are fixedly connected to the two square end panels. There are wire lead-out holes on the end panels or side panels, and axial convex strips on the center lines of the inner walls of the four rectangular side panels. Because of the shaft rod, the two end edges of the phase line must avoid the shaft rod, and the axial wire frame of each phase must be divided into two groups in half. The axial convex strip on the center line of the inner wall is the dividing line and support member of the two groups of each phase.
[0024] When the axial wire frame is three-phase, the casing is in the shape of a regular hexagonal cylinder, with a cover at one end, the cover having a wire lead-out hole, a bearing seat at the center of the two ends of the casing, and an axial convex strip on the midline of the six faces of the inner wall of the casing, the width of the axial convex strip is equal to or greater than the diameter of the shaft, the axial wire frame is three-phase, and each phase axial wire frame is divided into two groups, the axial convex strip is located between the two groups of axial wire frames, or the casing is composed of two regular hexagonal end panels, six long rods, and six rectangular side panels fixedly connected, and the two ends of the long rods have bolt holes The regular hexagonal end panel has through holes at the six diagonal corners, and the through holes are bolted through and fixedly connected to six long rods to form a basic structure. A bearing seat is provided in the center of the regular hexagonal end panel, and the six rectangular side panels are fixedly connected to the two regular hexagonal end panels. There are wire lead-out holes on the end panel or the side panel, and there are axial convex strips on the center line of the inner wall of the six rectangular side panels. Because of the shaft rod, the two end edges of the phase line must avoid the shaft rod, and the axial wire frame of each phase must be divided into two groups in half. The axial convex strip on the center line of the inner wall is the dividing line and support member of the two groups of each phase.
[0025] The radial magnet is a magnetic roller composed of one or more radial permanent magnets arranged in the same magnetic field direction. The magnetic roller is a radial NS dipole magnetic field. The magnetic roller is cylindrical with both ends of the cylinder sealed. The permanent magnet is attached to the inner wall of the cylinder. Alternatively, the surface of the magnetic roller is toothed, narrow on the concave surface and wide at the bottom, with magnetic strips embedded therein, for large high-speed motors. Alternatively, the permanent magnet is attached to the surface of the magnetic roller, and a stainless steel cylinder is used to reinforce the radial permanent magnet, or carbon fiber cloth is wrapped around the radial permanent magnet to reinforce the radial permanent magnet.
[0026] The axial wire frame is rectangular, with the wires on four sides being straight and parallel, or with two sides having straight and parallel axial wires and two other sides having radial wires bent into a certain arc. The axial wire frame is a rectangular wire winding, meaning that the four sides of the axial wire frame are rectangular, with two sides having straight and parallel axial wires. These are the primary electromagnetic induction portions, while the other two radial wires can be straight or curved into an arc, representing the non-primary electromagnetic induction portions. These portions have weaker electromagnetic induction, and the arc is bent to bypass the shaft. The wire cross-section of the axial wire frame is square or round, and the wire material of the axial wire frame is pure copper or aluminum. The square flat wire enhances current intensity and mechanical strength. The axial wire frame is reinforced with epoxy resin glue, giving the wire winding very strong mechanical strength.
[0027] The shaft is provided with a retaining spring and a retaining spring groove, which are located inside the casing and the bearing and are used to position the bearing. One end or both ends of the shaft extend out as a power output shaft.
[0028] The shaft is provided with a cooling fan, or the housing is provided with a liquid cooling pipe, the cooling pipe has an inlet and outlet connected to a water pump system or an oil pump system, and the motor dissipates heat through water cooling or oil cooling.
[0029] The radial magnet is an electromagnet, which includes a conducting coil and an electromagnet core. A brush is provided at the tail of the shaft, and two ends of the conducting coil are connected to the brush.
[0030] When there are multiple axial wire frames, they can be used as transformers. The axial wire frames have both main wire frames and auxiliary wire frames. The main wire frames input current, and the auxiliary wire frames output current. This motor is a transformer with high energy efficiency, small size and weight, and low cost.
[0031] When the axial wire frame has multiple wires, each wire end outside the magnetic cavity is connected to a transmission. The transmission achieves motor speed change by connecting the wires in series or in parallel. The transmission can be a mechanical transmission or an electronic transmission. The mechanical transmission is a series or parallel circuit composed of multiple commutation conductors. The electronic transmission is a series or parallel circuit composed of multiple electronic components.
[0032] The series or parallel circuit form of the transmission includes line 1 plus line 2, line 1 plus line 2 plus line 3 plus line 4, line 1 plus line 2 plus line 3 plus line 4 plus line 5 plus line 6, line 1 plus line 2 plus line 3 plus line 4 plus line 5 plus line 6 plus line 7 plus line 8, line 1 plus line 2 plus line 3 plus line 4 plus line 5 plus line 6 plus line 7 plus line 8 plus line 9, line 1 plus line 2 plus line 3 plus line 4 plus line 5 plus line 6 plus line 7 plus line 8 plus line 9 plus line 10, and so on.
[0033] The series or parallel circuit form of line 1 plus line 2 is that line 1 is connected in series with line 2, or line 1 is connected in parallel with line 2.
[0034] The series or parallel circuit form of Line 1 plus Line 2 plus Line 3 plus Line 4 is Line 1 in series, Line 2 in series, Line 3 in series, and Line 4, or Line 1 in parallel, Line 2 in parallel, Line 3 in parallel, and Line 4, or Line 1 in series, Line 2 in parallel, Line 3 in series, and Line 4, or Line 1 in parallel, Line 2 in series, Line 3 in parallel, and Line 4.
[0035] The circuit form of Line 1 plus Line 2 plus Line 3 plus Line 4 plus Line 5 plus Line 6 is that Line 1 is connected in series or in parallel, Line 2 is connected in series, Line 3 is connected in series, Line 4 is connected in series, Line 5 is connected in series, and Line 6 is connected in parallel, or Line 1 is connected in series, Line 2 is connected in parallel, Line 3 is connected in series, Line 4 is connected in parallel, Line 5 is connected in series, and Line 6 is connected in parallel, or Line 1 is connected in series, Line 2 is connected in parallel, Line 3 is connected in series, Line 4 is connected in series, and Line 5 is connected in parallel, and Line 6 is connected in parallel, or Line 1 is connected in series, Line 2 is connected in series, Line 3 is connected in series, Line 4 is connected in series, and Line 5 is connected in parallel, and Line 6 is connected in parallel.
[0036] The circuit form of line 1 plus line 2 plus line 3 plus line 4 plus line 5 plus line 6 plus line 7 plus line 8 in series or parallel is line 1 in series, line 2 in series, line 3 in series, line 4 in series, line 5 in series, line 6 in series, line 7 in series, line 8 in series, or line 1 in parallel with line 2 in parallel with line 3 in parallel with line 4 in parallel with line 5 in parallel with line 6 in parallel with line 7 in parallel with line 8, or line 1 in series with line 2 in parallel with line 3 in series with line 4 in parallel with line Line 1 is connected in parallel, Line 2 is connected in series, Line 3 is connected in parallel, Line 4 is connected in series, Line 5 is connected in parallel, Line 6 is connected in series, Line 7 is connected in series, and Line 8 is connected in parallel, or Line 1 is connected in parallel, Line 2 is connected in series, Line 3 is connected in series, Line 4 is connected in parallel, Line 5 is connected in series, Line 6 is connected in series, Line 7 is connected in series, and Line 8 is connected in parallel, or Line 1 is connected in parallel, Line 2 is connected in series, Line 3 is connected in parallel, Line 4 is connected in series, Line 5 is connected in parallel, Line 6 is connected in series, Line 7 is connected in series, and Line 8 is connected in parallel.
[0037] The circuit form of line 1 plus line 2 plus line 3 plus line 4 plus line 5 plus line 6 plus line 7 plus line 8 plus line 9 is series or parallel connection, line 1 is connected in series with line 2, line 3, line 4, line 5, line 6, line 7, line 8, and line 9 in series, or line 1 is connected in parallel with line 2, line 3, line 4, line 5, line 6, line 7, line 8, and line 9 in parallel, or line 1 is connected in series with line 2, line 3, line 4, line 5, line 6, line 7, line 8, and line 9 in parallel. Line 1 is connected in series with Line 6 in parallel, Line 7 is connected in series with Line 8 in parallel, or Line 1 is connected in parallel with Line 2, Line 3 is connected in series with Line 4, Line 5 is connected in series with Line 6, Line 7 is connected in parallel with Line 8 in series with Line 9, or Line 1 is connected in series with Line 2, Line 3 is connected in series with Line 4, Line 5 is connected in series with Line 6, Line 7 is connected in parallel with Line 8, and Line 9 is connected in series with Line 1, or Line 1 is connected in parallel with Line 2, Line 3 is connected in series with Line 4, Line 5 is connected in series with Line 6, Line 7 is connected in parallel with Line 8, and Line 9 is connected in series with Line 9.
[0038] The circuit form of line 1 plus line 2 plus line 3 plus line 4 plus line 5 plus line 6 plus line 7 plus line 8 plus line 9 plus line 10 is series or parallel connection, line 1 is series connection, line 2 is series connection, line 3 is series connection, line 4 is series connection, line 5 is series connection, line 6 is series connection, line 7 is series connection, line 8 is series connection, line 9 is series connection, and line 10 is series connection, or line 1 is parallel connection, line 2 is parallel connection, line 3 is parallel connection, line 4 is parallel connection, line 5 is parallel connection, line 6 is parallel connection, line 7 is parallel connection, line 8 is parallel connection, line 9 is parallel connection, and line 10 is parallel connection, or line 1 is series connection, line 2 is parallel connection, line 3 is series connection, line 4 is parallel connection, and line Line 6 is connected in parallel with Line 7, in series with Line 8, in parallel with Line 9, and in series with Line 10, or Line 1 is connected in parallel with Line 2, in series with Line 3, in parallel with Line 4, in series with Line 5, in parallel with Line 6, in series with Line 7, in parallel with Line 8, in series with Line 9, and in parallel with Line 10, or Line 1 is connected in parallel with Line 2, in series with Line 3, in series with Line 4, in series with Line 5, in parallel with Line 6, in series with Line 7, in series with Line 8, in series with Line 9, and in series with Line 10, or Line 1 is connected in parallel with Line 2, in parallel with Line 3, in parallel with Line 4, in parallel with Line 5, in series with Line 6, in parallel with Line 7, in parallel with Line 8, in parallel with Line 9, and in parallel with Line 10.
[0039] The beneficial effects of the utility model are as follows: according to the magnetic point theory, the magnetic point resonates with the wireless changing electromagnetic field in the three-dimensional space surrounded by the closed electromagnetic field conductor coil, the entire magnetic rotor is enclosed by the rectangular axial wire frame winding, and the magnetic point motor performs circular resonant motion through the electronic commutator, and the rotation direction remains unchanged, thereby realizing brushless, iron coreless, high torque, high speed and high energy efficiency. The existing motor is a number of wire windings wrapped around an iron core and distributed along the circumference of the rotor. The magnetic system of the rotor is a closed magnetic field, and the electromagnetic effect is felt outside the wire windings. Therefore, the effective action distance between the wire windings and the magnetic poles is very short. An iron core must be used to enhance the induced magnetic field. The magnetic poles and the iron core must be very close, which restricts the power-to-weight ratio and energy efficiency of the motor. The electromagnetic action distance of the magnetic point motor is far and strong, and more wires can be placed. Therefore, the magnetic point motor has the best magnetoelectric effect, the largest torque, and no iron loss caused by the iron core. The energy efficiency is the highest among known motors, which can reach more than 99%. It does not get hot at ultra-high speeds. Compared with existing DC motors and AC motors, the magnetic point motor has no iron loss and lower copper loss, and the energy-saving effect is obvious. The internal structure of existing brushless DC motors and brushed DC motors is actually still an AC motor. Therefore, under high-speed rotation, the alternating magnetic field resistance generated by the iron core is very large, and it increases with the square of the motor speed. Increase, limit the speed of the motor, the closed electromagnetic field magnetic point motor of the present invention does not have the disadvantages of the above-mentioned existing motors, can achieve ultra-high-speed rotation, so that, for motors of the same weight, the magnetic point motor has the largest power, and its power-to-weight ratio can be increased several times, reaching tens of kilowatts per kilogram. For the same power, it can reduce the weight by about 90%. There is no heavy iron core and shell, the heat dissipation effect is better, and no complicated water cooling and oil cooling systems are required. The closed electromagnetic field magnetic point motor is used in new energy vehicles, and only a simple position sensor is needed to control the motor, which reduces the cost of new energy vehicles by about 10% and improves the energy efficiency by about 20%. The above advantages are particularly important for new energy electric vehicles, can extend the endurance of electric vehicles by about 20%, can increase the starting speed of electric vehicles, especially the closed electromagnetic field magnetic point motor can receive wireless power at a long distance, high power and high efficiency, which is very beneficial to the development of new energy vehicles. BRIEF DESCRIPTION OF THE DRAWINGS
[0040] Figure 1 It is a schematic diagram of a permanent magnet rotor of a closed electromagnetic field magnetic point motor.
[0041] Figure 2-1 It is a schematic diagram of the axial wire frame of a closed electromagnetic field magnetic point motor.
[0042] Figure 2-2 It is a schematic diagram of the axial wire frame of a closed electromagnetic field magnetic point motor.
[0043] Figure 2-3 It is a schematic diagram of the axial wire frame of a closed electromagnetic field magnetic point motor.
[0044] Figure 2-4 It is a schematic diagram of the axial wire frame of a closed electromagnetic field magnetic point motor.
[0045] Figure 3-1 It is a schematic diagram of a closed electromagnetic field magnetic point motor casing.
[0046] Figure 3-2 It is a schematic diagram of a closed electromagnetic field magnetic point motor casing.
[0047] Figure 3-3 It is a schematic diagram of a closed electromagnetic field magnetic point motor casing.
[0048] Figure 4 It is a structural diagram of a closed electromagnetic field magnetic point motor.
[0049] Figure 5 It is a structural diagram of a closed electromagnetic field magnetic point motor.
[0050] Figure 6 It is a structural diagram of a closed electromagnetic field magnetic point motor.
[0051] Figure 7-1 and Figure 7-2 This is a basic circuit diagram of a motor controller.
[0052] Figure 8 This is a transmission diagram. DETAILED DESCRIPTION
[0053] Implementation 1, such as Figure 1 、 Figure 2-1 、 Figure 2-2 、 Figure 2-3 、 Figure 2-4 、 Figure 3-1 、 Figure 3-2 、 Figure 3-3 、 Figure 4 、 Figure 5 、 Figure 6 、 Figure 7-1 、 Figure 7-2 and Figure 8As shown in: A closed electromagnetic field magnetic point motor, including a radial magnetic rotor 1, a casing 2, an axial wire frame 3, and a bearing 4, characterized in that: the radial magnetic rotor 1 includes a shaft 10 and a radial magnet 11, the radial magnet 11 is a magnetic roller composed of a radial NS dipole magnetic field, the shaft 10 is tightly connected to the radial magnet 11, the magnetic field direction of the radial magnet 11 is perpendicular to the axial direction of the shaft 10, the radial magnet 11 has a through hole in the center, the shaft 10 is tightly and fixedly connected through the above-mentioned through hole, and the radial magnet 11 is coaxially assembled with the shaft 10. In a micro-small magnetic point motor, the radial magnet 11 is generally a single radial NS permanent magnet. In a medium-to-large magnetic point motor, a magnetic roller is composed of multiple radial permanent magnets arranged in the same magnetic field direction. The total magnetic field direction of the magnetic roller is still a radial NS dipole magnetic field. The magnetic roller has various forms. The high-speed motor uses a cylinder to encapsulate the permanent magnet, and the two ends of the cylinder are encapsulated. The permanent magnet is arranged against the inner wall of the cylinder, or the surface of the magnetic roller is tooth-shaped, narrow on the concave surface and wide at the bottom, and the magnetic strip is embedded in it. This method is used for medium-to-large high-speed motors. Alternatively, the permanent magnet is glued to the surface of the magnetic roller with strong glue, and the radial permanent magnet is reinforced with a high-strength stainless steel cylinder, or the radial permanent magnet is reinforced with carbon fiber cloth wrapped around it. The material of the radial magnet 11 is generally neodymium iron boron magnet or ferrite magnet.
[0054] The radial NS dipole magnetic field refers to the radial magnetic rotor. Regardless of the number of permanent magnets arranged on the rotating circumference, the overall magnetic field direction is still a radial NS dipole magnetic field, such as NS, NNSS, NNNNSSSS, etc. These arrangements are all radial NS dipole magnetic fields, representing magnetic points with open magnetic fields. However, arrangements such as NSNS, NSNSNS, NSNSNSNS, etc. on the rotating circumference are not radial NS dipole magnetic fields, but rather quadrupole, hexapole, octupole, or multipole closed-loop magnetic systems. Multipole closed-loop magnetic systems are closed magnetic fields and cannot be used as wireless power receivers.
[0055] The axial wire frame 3 is a rectangular wire winding. The axial wire frame 3 has two sets of wire windings in one phase. The axial wire frame 3 is sheathed with the radial magnet 11, that is, the radial magnet 11 is located in the axial wire frame 3. The radial width of the axial wire frame 3 is greater than the diameter of the radial magnet 11. There is a rotation gap between the axial wire frame 3 and the radial magnet 11. The radial magnet 11, the housing 2, the axial wire frame 3, the bearing 4 and the shaft 10 are coaxially assembled. The housing 2 and the axial wire frame 3 are fixed. The radial magnet 11 rotates relative to each other in the axial wire frame 3. The radial rotating magnetic field relatively cuts the axial wire frame 3. The wire ends of the axial wire frame 3 are led out from the housing 2. The axial wire frame 3 is rectangular, and the wires on the four sides are straight and parallel, or the axial wire parts on two sides are straight and parallel, and the radial wire parts on the other two sides are bent into a certain arc. The axial wire frame 3 is a rectangular wire winding, meaning its four sides form a rectangular shape when viewed from above. Two of the axial wire portions are straight and parallel, representing the primary electromagnetic induction portion. The radial wire portions on the other two sides can be straight or curved, representing the secondary electromagnetic induction portion. These portions have weaker electromagnetic induction, and the curved shape allows them to bypass the shaft 10. The wires in the axial wire frame 3 include copper and aluminum wires, with cross-sectional shapes ranging from round to square. The square-shaped wires enhance current flow and mechanical strength. The axial wire frame is reinforced with epoxy resin glue, giving the wire winding exceptional mechanical strength.
[0056] When the axial wire frame 3 is a single phase, the closed electromagnetic field magnetic point motor measures and controls the back electromotive force of the axial wire frame 3 through the motor controller, so that the current switch change of the axial wire frame 3 changes as the magnetic field rotates to a certain position, and the axial current direction corresponding to the radial NS dipole magnetic field direction of the radial magnet 11 remains unchanged. That is, no matter which position the radial magnet rotates to, the axial current direction corresponding to the N pole is always positive, and the axial current direction corresponding to the S pole is always negative. Alternatively, no matter which position the radial magnet rotates to, the axial current direction corresponding to the N pole is always negative, and the axial current direction corresponding to the S pole is always positive. Under the control of the motor controller 6, both square wave and sine wave currents can be effectively used.
[0057] The housing 2 is a fixed component supporting the axial lead frame 3 and the radial magnetic rotor 1. The housing 2 is cylindrical or has a cylindrical structure with a cover at one or both ends. Bearing seats are located in the centers of both ends of the housing 2. The shaft 10 of the radial magnetic rotor 1 is mounted with bearings 4, which are mounted in the bearing seats at the centers of both ends of the housing 2. One or both ends of the shaft 10 extend to serve as the power output shaft. The shaft 10 is provided with a retaining spring and retaining spring groove, located inside the housing 2 and bearing 4, to position the bearing 4. A cooling fan is provided on the shaft 10, or a liquid cooling pipe is provided on the housing 2. The cooling pipe has an inlet and outlet connected to a water pump system or an oil pump system, and the motor dissipates heat through water cooling or oil cooling.
[0058] The housing 2 is cylindrical or has a cylindrical structure. The cylindrical structure refers to a housing 2 having only a basic cylindrical load-bearing frame and an open structure without any closed surfaces. The housing 2 can be made of one or more materials, preferably Teflon or carbon fiber, followed by nylon, stainless steel, and aluminum alloy. If iron loss is not a concern, iron materials such as silicon steel can be used. Since closed electromagnetic field magnetic point motors are free from the limitations of an iron core, the conductors can be made as thick as possible, resulting in very low copper loss. If iron loss is not a concern, the housing 2 can be made of materials such as plastics with poor thermal conductivity.
[0059] When the axial wire frame 3 is one phase, the housing 2 is square cylindrical, with a cover at one end, the cover having a wire lead-out hole, and a bearing seat at the center of both ends of the housing 2. The midlines of the four surfaces of the inner wall of the housing 2 have axial ridges 21, and the width of the axial ridges 21 is equal to or greater than the diameter of the shaft 10. The axial wire frame 3 is one phase, and the one-phase axial wire frame 3 is divided into two groups. The axial ridges 21 are located between the two groups of axial wire frames 3. Alternatively, the casing 2 is composed of two square end panels 20, four long rods 22, and four rectangular side panels 23 fixedly connected. There are bolt holes at both ends of the long rods 22, and through holes at the four diagonal corners of the square end panels 20. Bolts pass through the through holes and are fixedly connected to the four long rods 22 to form a basic structure. There is a bearing seat in the center of the square end panel 20, and the four rectangular side panels 23 are fixedly connected to the two square end panels 20. There are wire lead-out holes 24 on the end panels 20 or the side panels 23, and axial ridges 21 are provided on the center lines of the inner walls of the four rectangular side panels 23. Because of the shaft 10, the two end edges of the phase line must avoid the shaft 110, and the axial wire frame 3 of each phase must be divided into two groups in half. The axial ridge 21 on the center line of the inner wall is the dividing line and support member of one phase and two groups.
[0060] When the axial wire frame 3 has several wires, the end of each wire outside the magnetic cavity is connected to the transmission 9. The transmission 9 realizes the speed change of the motor by connecting the wire coils in series or in parallel. The transmission 9 includes a mechanical transmission or an electronic transmission. The torque and KV value can be adjusted at will through the transmission 9. It has both large starting torque and high speed, does not generate strong starting current and induced current, and can be suitable for various working conditions. The mechanical transmission is a series or parallel circuit composed of multiple commutation conductors. The electronic transmission is a series or parallel circuit composed of multiple electronic components, such as Figure 5 As shown, the transmission 9 includes a movable bolt 90 and a movable conductor 91. The movable conductor 91 can rotate 90 degrees, and the series connection or parallel connection is achieved by rotating the movable conductor 91 left and right.
[0061] The series or parallel circuit form of the transmission 9 includes line 1 plus line 2, line 1 plus line 2 plus line 3 plus line 4, line 1 plus line 2 plus line 3 plus line 4 plus line 5 plus line 6, line 1 plus line 2 plus line 3 plus line 4 plus line 5 plus line 6 plus line 7 plus line 8, line 1 plus line 2 plus line 3 plus line 4 plus line 5 plus line 6 plus line 7 plus line 8 plus line 9, line 1 plus line 2 plus line 3 plus line 4 plus line 5 plus line 6 plus line 7 plus line 8 plus line 9 plus line 10, and so on.
[0062] The series or parallel circuit form of line 1 plus line 2 is that line 1 is connected in series with line 2, or line 1 is connected in parallel with line 2.
[0063] The series or parallel circuit form of Line 1 plus Line 2 plus Line 3 plus Line 4 is Line 1 in series, Line 2 in series, Line 3 in series, and Line 4, or Line 1 in parallel, Line 2 in parallel, Line 3 in parallel, and Line 4, or Line 1 in series, Line 2 in parallel, Line 3 in series, and Line 4, or Line 1 in parallel, Line 2 in series, Line 3 in parallel, and Line 4.
[0064] The circuit form of Line 1 plus Line 2 plus Line 3 plus Line 4 plus Line 5 plus Line 6 is that Line 1 is connected in series or in parallel, Line 2 is connected in series, Line 3 is connected in series, Line 4 is connected in series, Line 5 is connected in series, and Line 6 is connected in parallel, or Line 1 is connected in series, Line 2 is connected in parallel, Line 3 is connected in series, Line 4 is connected in parallel, Line 5 is connected in series, and Line 6 is connected in parallel, or Line 1 is connected in series, Line 2 is connected in parallel, Line 3 is connected in series, Line 4 is connected in series, and Line 5 is connected in parallel, and Line 6 is connected in parallel, or Line 1 is connected in series, Line 2 is connected in series, Line 3 is connected in series, Line 4 is connected in series, and Line 5 is connected in parallel, and Line 6 is connected in parallel.
[0065] The circuit form of line 1 plus line 2 plus line 3 plus line 4 plus line 5 plus line 6 plus line 7 plus line 8 in series or parallel is line 1 in series, line 2 in series, line 3 in series, line 4 in series, line 5 in series, line 6 in series, line 7 in series, line 8 in series, or line 1 in parallel with line 2 in parallel with line 3 in parallel with line 4 in parallel with line 5 in parallel with line 6 in parallel with line 7 in parallel with line 8, or line 1 in series with line 2 in parallel with line 3 in series with line 4 in parallel with line Line 1 is connected in parallel, Line 2 is connected in series, Line 3 is connected in parallel, Line 4 is connected in series, Line 5 is connected in parallel, Line 6 is connected in series, Line 7 is connected in series, and Line 8 is connected in parallel, or Line 1 is connected in parallel, Line 2 is connected in series, Line 3 is connected in series, Line 4 is connected in parallel, Line 5 is connected in series, Line 6 is connected in series, Line 7 is connected in series, and Line 8 is connected in parallel, or Line 1 is connected in parallel, Line 2 is connected in series, Line 3 is connected in parallel, Line 4 is connected in series, Line 5 is connected in parallel, Line 6 is connected in series, Line 7 is connected in series, and Line 8 is connected in parallel.
[0066] The circuit form of line 1 plus line 2 plus line 3 plus line 4 plus line 5 plus line 6 plus line 7 plus line 8 plus line 9 is series or parallel connection, line 1 is connected in series with line 2, line 3, line 4, line 5, line 6, line 7, line 8, and line 9 in series, or line 1 is connected in parallel with line 2, line 3, line 4, line 5, line 6, line 7, line 8, and line 9 in parallel, or line 1 is connected in series with line 2, line 3, line 4, line 5, line 6, line 7, line 8, and line 9 in parallel. Line 1 is connected in series with Line 6 in parallel, Line 7 is connected in series with Line 8 in parallel, or Line 1 is connected in parallel with Line 2, Line 3 is connected in series with Line 4, Line 5 is connected in series with Line 6, Line 7 is connected in parallel with Line 8 in series with Line 9, or Line 1 is connected in series with Line 2, Line 3 is connected in series with Line 4, Line 5 is connected in series with Line 6, Line 7 is connected in parallel with Line 8, and Line 9 is connected in series with Line 1, or Line 1 is connected in parallel with Line 2, Line 3 is connected in series with Line 4, Line 5 is connected in series with Line 6, Line 7 is connected in parallel with Line 8, and Line 9 is connected in series with Line 9.
[0067] The circuit form of line 1 plus line 2 plus line 3 plus line 4 plus line 5 plus line 6 plus line 7 plus line 8 plus line 9 plus line 10 is series or parallel connection, line 1 is series connection, line 2 is series connection, line 3 is series connection, line 4 is series connection, line 5 is series connection, line 6 is series connection, line 7 is series connection, line 8 is series connection, line 9 is series connection, and line 10 is series connection, or line 1 is parallel connection, line 2 is parallel connection, line 3 is parallel connection, line 4 is parallel connection, line 5 is parallel connection, line 6 is parallel connection, line 7 is parallel connection, line 8 is parallel connection, line 9 is parallel connection, and line 10 is parallel connection, or line 1 is series connection, line 2 is parallel connection, line 3 is series connection, line 4 is parallel connection, and line Line 6 is connected in parallel with Line 7, in series with Line 8, in parallel with Line 9, and in series with Line 10, or Line 1 is connected in parallel with Line 2, in series with Line 3, in parallel with Line 4, in series with Line 5, in parallel with Line 6, in series with Line 7, in parallel with Line 8, in series with Line 9, and in parallel with Line 10, or Line 1 is connected in parallel with Line 2, in series with Line 3, in series with Line 4, in series with Line 5, in parallel with Line 6, in series with Line 7, in series with Line 8, in series with Line 9, and in series with Line 10, or Line 1 is connected in parallel with Line 2, in parallel with Line 3, in parallel with Line 4, in parallel with Line 5, in series with Line 6, in parallel with Line 7, in parallel with Line 8, in parallel with Line 9, and in parallel with Line 10.
[0068] Implementation 2: Figure 1 、 Figure 2-1 、 Figure 2-2 、 Figure 2-3 、 Figure 2-4 、 Figure 3-1 、 Figure 3-2 、 Figure 3-3 、 Figure 4 、 Figure 5 、 Figure 6 、 Figure 7-1 、 Figure 7-2As shown in: A closed electromagnetic field magnetic point motor, including a radial magnetic rotor 1, a casing 2, an axial wire frame 3, and a bearing 4, characterized in that: the radial magnetic rotor 1 includes a shaft 10 and a radial magnet 11, the radial magnet 11 is a magnetic roller composed of a radial NS dipole magnetic field, the shaft 10 is tightly connected to the radial magnet 11, the magnetic field direction of the radial magnet 11 is perpendicular to the axial direction of the shaft 10, the radial magnet 11 has a through hole in the center, the shaft 10 is tightly and fixedly connected through the above-mentioned through hole, and the radial magnet 11 is coaxially assembled with the shaft 10. In a micro-small magnetic point motor, the radial magnet 11 is generally a single radial NS permanent magnet. In a medium-to-large magnetic point motor, a magnetic roller is composed of multiple radial permanent magnets arranged in the same magnetic field direction. The total magnetic field direction of the magnetic roller is still a radial NS dipole magnetic field. The magnetic roller has various forms. The high-speed motor uses a cylinder to encapsulate the permanent magnet, and the two ends of the cylinder are encapsulated. The permanent magnet is arranged against the inner wall of the cylinder, or the surface of the magnetic roller is tooth-shaped, narrow on the concave surface and wide at the bottom, and the magnetic strip is embedded in it. This method is used for medium-to-large high-speed motors. Alternatively, the permanent magnet is glued to the surface of the magnetic roller with strong glue, and the radial permanent magnet is reinforced with a high-strength stainless steel cylinder, or the radial permanent magnet is reinforced with carbon fiber cloth wrapped around it. The material of the radial magnet 11 is generally neodymium iron boron magnet or ferrite magnet.
[0069] The radial NS dipole magnetic field refers to the radial magnetic rotor. Regardless of the number of permanent magnets arranged on the rotating circumference, the overall magnetic field direction is still a radial NS dipole magnetic field, such as NS, NNSS, NNNNSSSS, etc. These arrangements are all radial NS dipole magnetic fields, representing magnetic points with open magnetic fields. However, arrangements such as NSNS, NSNSNS, NSNSNSNS, etc. on the rotating circumference are not radial NS dipole magnetic fields, but rather quadrupole, hexapole, octupole, or multipole closed-loop magnetic systems. Multipole closed-loop magnetic systems are closed magnetic fields and cannot be used as wireless power receivers.
[0070] The axial wire frame 3 is a rectangular wire winding. The axial wire frame 3 has two phases, two groups of wire windings for each phase, and the two phases are cross-distributed at a 90-degree angle. The axial wire frame 3 is sheathed with the radial magnet 11, that is, the radial magnet 11 is located in the axial wire frame 3. The radial width of the axial wire frame 3 is greater than the diameter of the radial magnet 11. There is a rotation gap between the axial wire frame 3 and the radial magnet 11. The radial magnet 11, the housing 2, the axial wire frame 3, the bearing 4 and the shaft 10 are coaxially assembled. The housing 2 and the axial wire frame 3 are fixed. The radial magnet 11 rotates relative to each other in the axial wire frame 3. The radial rotating magnetic field relatively cuts the axial wire frame 3. The wire ends of the axial wire frame 3 are led out from the housing 2. The axial wire frame 3 is rectangular, and the wires on the four sides are straight and parallel, or the axial wire portions on two sides are straight and parallel, and the radial wire portions on the other two sides are bent into a certain arc. The axial wire frame 3 is a rectangular wire winding, meaning its four sides form a rectangular shape when viewed from above. Two of the axial wire portions are straight and parallel, representing the primary electromagnetic induction portion. The radial wire portions on the other two sides can be straight or curved, representing the secondary electromagnetic induction portion. These portions have weaker electromagnetic induction, and the curved shape allows them to bypass the shaft 10. The wires in the axial wire frame 3 include copper and aluminum wires, with cross-sectional shapes ranging from round to square. The square-shaped wires enhance current flow and mechanical strength. The axial wire frame is reinforced with epoxy resin glue, giving the wire winding exceptional mechanical strength.
[0071] The axial wire frame 3 has two phases, which are cross-distributed at a certain angle, which is conducive to smoother operation of the motor power. However, the more phase groups there are, the more complicated the electronic control circuit is. The output or input phase of the magnetic point motor of the present invention is different from the phase of the existing three-phase motor. The phase difference of the existing three-phase motor is 120 degrees. This is because each phase winding is on one side of the magnet and can only correspond to one magnetic pole. The magnetic point motor of the present invention has a radial magnet wrapped inside each phase winding, so each phase winding corresponds to two magnetic poles at the same time. Therefore, the phase difference of two phases is 90 degrees, three phases is 60 degrees, and four phases is 45 degrees. The phase difference of the magnetic point motor of the present invention is 180 degrees of half-wave phase superposition, and it is positive superposition. Therefore, it will not offset and reduce part of the voltage, the waveform is more stable, and both square wave and sine wave currents can be effectively used.
[0072] When the axial wire frame 3 is two-phase, the two-phase axial wire frame 3 is perpendicular to each other at 90 degrees and is in the shape of a "cross". The two-phase axial wire frame 3 has four axial wires on the top, left, bottom and right in sequence, wherein the top and bottom are two axial wires of one phase axial wire frame, and the left and right are two axial wires of the other phase axial wire frame. The closed electromagnetic field magnetic point motor measures and controls the back electromotive force of the axial wire frame 3 through the motor controller 6. The current switch change of the two-phase crossed axial wire frame 3 changes with the direction of rotation of the magnetic field. The axial current direction corresponding to the radial NS dipole magnetic field direction remains unchanged, that is, no matter which position the radial magnet rotates to, the axial current direction corresponding to the N pole is always positive, and the axial current direction corresponding to the S pole is always reverse, or, no matter the radial No matter which position the magnet rotates to, the direction of the axial current corresponding to the N pole is always reverse, and the direction of the axial current corresponding to the S pole is always forward. When the current direction of the upper axial conductor corresponding to the N pole is forward, the current direction of the lower axial conductor corresponding to the S pole is reverse. When the N pole rotates to the left axial conductor, the current direction of the left axial conductor corresponding to the N pole is forward, and the current direction of the right axial conductor corresponding to the S pole becomes reverse. When the N pole rotates to the lower axial conductor, the current direction of the lower axial conductor becomes forward, and the current direction of the upper axial conductor corresponding to the S pole becomes reverse. When the N pole rotates to the right axial conductor, the current direction of the right axial conductor becomes forward, and the current direction of the left axial conductor corresponding to the S pole becomes reverse. The above conversion process is completed by the motor controller 6.
[0073] The electronic conversion process for motor operation can be completed by an LGBT module or MOS module motor controller. The output or input phase of this motor differs from that of existing three-phase motors. Existing three-phase motors have a phase difference of 120 degrees. This is because each phase winding is on one side of the magnet and can only correspond to one magnetic pole. In this motor, each phase winding encloses a radial magnet, so each phase winding corresponds to two magnetic poles at the same time, resulting in a 60-degree three-phase phase. The phase difference of this motor is 180 degrees. The phases are superimposed within the half-wave, and the superposition is positive. Therefore, it does not offset or reduce part of the voltage, resulting in a smoother waveform, and can effectively use both square wave and sine wave currents.
[0074] The housing 2 is a fixed component supporting the axial lead frame 3 and the radial magnetic rotor 1. The housing 2 is cylindrical or has a cylindrical structure with a cover at one or both ends. Bearing seats are located in the centers of both ends of the housing 2. The shaft 10 of the radial magnetic rotor 1 is mounted with bearings 4, which are mounted in the bearing seats at the centers of both ends of the housing 2. One or both ends of the shaft 10 extend to serve as the power output shaft. The shaft 10 is provided with a retaining spring and retaining spring groove, located inside the housing 2 and bearing 4, to position the bearing 4. A cooling fan is provided on the shaft 10, or a liquid cooling pipe is provided on the housing 2. The cooling pipe has an inlet and outlet connected to a water pump system or an oil pump system, and the motor dissipates heat through water cooling or oil cooling.
[0075] The housing 2 is cylindrical or has a cylindrical structure. The cylindrical structure refers to a housing 2 having only a basic cylindrical load-bearing frame and an open structure without any closed surfaces. The housing 2 can be made of one or more materials, preferably Teflon or carbon fiber, followed by nylon, stainless steel, and aluminum alloy. If iron loss is not a concern, iron materials such as silicon steel can be used. Since closed electromagnetic field magnetic point motors are free from the limitations of an iron core, the conductors can be made as thick as possible, resulting in very low copper loss. If iron loss is not a concern, the housing 2 can be made of materials such as plastics with poor thermal conductivity.
[0076] When the axial wire frame 3 is two-phase, the housing 2 is square cylindrical with a cover at one end, the cover having a wire lead-out hole, a bearing seat at the center of both ends of the housing 2, and an axial ridge 21 on the midline of the four surfaces of the inner wall of the housing 2. The width of the axial ridge 21 is equal to or greater than the diameter of the shaft 10. The axial wire frame 3 is two-phase, and each phase axial wire frame 3 is divided into two groups. The axial ridge 21 is located between the two groups of axial wire frames 3. Alternatively, the casing 2 is composed of two square end panels 20, four long rods 22, and four rectangular side panels 23 fixedly connected. There are bolt holes at both ends of the long rods 22, and through holes at the four diagonal corners of the square end panels 20. Bolts pass through the through holes and are fixedly connected to the four long rods 22 to form a basic structure. There is a bearing seat in the center of the square end panel 20, and the four rectangular side panels 23 are fixedly connected to the two square end panels 20. There are wire lead-out holes 24 on the end panels 20 or the side panels 23, and axial ridges 21 are provided on the center lines of the inner walls of the four rectangular side panels 23. Because of the shaft 10, the two end edges of the phase line must avoid the shaft 110, and the axial wire frame 3 of each phase must be divided into two groups in half. The axial ridges 21 on the center line of the inner wall are the dividing line and support members of the two groups of each phase.
[0077] Implementation 3, such as Figure 1 、 Figure 2-1 、 Figure 2-2 、 Figure 2-3 、 Figure 2-4 、 Figure 3-1 、 Figure 3-2 、 Figure 3-3 、 Figure 4 、 Figure 5 、 Figure 6 、 Figure 7-1 、 Figure 7-2 As shown in: A closed electromagnetic field magnetic point motor, including a radial magnetic rotor 1, a casing 2, an axial wire frame 3, and a bearing 4, characterized in that: the radial magnetic rotor 1 includes a shaft 10 and a radial magnet 11, the radial magnet 11 is a magnetic roller composed of a radial NS dipole magnetic field, the shaft 10 is tightly connected to the radial magnet 11, the magnetic field direction of the radial magnet 11 is perpendicular to the axial direction of the shaft 10, the radial magnet 11 has a through hole in the center, the shaft 10 is tightly and fixedly connected through the above-mentioned through hole, and the radial magnet 11 is coaxially assembled with the shaft 10. In a micro-small magnetic point motor, the radial magnet 11 is generally a single radial NS permanent magnet. In a medium-to-large magnetic point motor, a magnetic roller is composed of multiple radial permanent magnets arranged in the same magnetic field direction. The total magnetic field direction of the magnetic roller is still a radial NS dipole magnetic field. The magnetic roller has various forms. The high-speed motor uses a cylinder to encapsulate the permanent magnet, and the two ends of the cylinder are encapsulated. The permanent magnet is arranged against the inner wall of the cylinder, or the surface of the magnetic roller is tooth-shaped, narrow on the concave surface and wide at the bottom, and the magnetic strip is embedded in it. This method is used for medium-to-large high-speed motors. Alternatively, the permanent magnet is glued to the surface of the magnetic roller with strong glue, and the radial permanent magnet is reinforced with a high-strength stainless steel cylinder, or the radial permanent magnet is reinforced with carbon fiber cloth wrapped around it. The material of the radial magnet 11 is generally neodymium iron boron magnet or ferrite magnet.
[0078] The radial NS dipole magnetic field refers to the radial magnetic rotor. Regardless of the number of permanent magnets arranged on the rotating circumference, the overall magnetic field direction is still a radial NS dipole magnetic field, such as NS, NNSS, NNNNSSSS, etc. These arrangements are all radial NS dipole magnetic fields, representing magnetic points with open magnetic fields. However, arrangements such as NSNS, NSNSNS, NSNSNSNS, etc. on the rotating circumference are not radial NS dipole magnetic fields, but rather quadrupole, hexapole, octupole, or multipole closed-loop magnetic systems. Multipole closed-loop magnetic systems are closed magnetic fields and cannot be used as wireless power receivers.
[0079] The axial wire frame 3 is a rectangular wire winding. The axial wire frame 3 has two phases, two groups of wire windings for each phase, and the two phases are cross-distributed at a 90-degree angle. The axial wire frame 3 is sheathed with the radial magnet 11, that is, the radial magnet 11 is located in the axial wire frame 3. The radial width of the axial wire frame 3 is greater than the diameter of the radial magnet 11. There is a rotation gap between the axial wire frame 3 and the radial magnet 11. The radial magnet 11, the housing 2, the axial wire frame 3, the bearing 4 and the shaft 10 are coaxially assembled. The housing 2 and the axial wire frame 3 are fixed. The radial magnet 11 rotates relative to each other in the axial wire frame 3. The radial rotating magnetic field relatively cuts the axial wire frame 3. The wire ends of the axial wire frame 3 are led out from the housing 2. The axial wire frame 3 is rectangular, and the wires on the four sides are straight and parallel, or the axial wire parts on two sides are straight and parallel, and the radial wire parts on the other two sides are bent into a certain arc. The axial wire frame 3 is a rectangular wire winding, meaning its four sides form a rectangular shape when viewed from above. Two of the axial wire portions are straight and parallel, representing the primary electromagnetic induction portion. The radial wire portions on the other two sides can be straight or curved, representing the secondary electromagnetic induction portion. These portions have weaker electromagnetic induction, and the curved shape allows them to bypass the shaft 10. The wires in the axial wire frame 3 include copper and aluminum wires, with cross-sectional shapes ranging from round to square. The square-shaped wires enhance current flow and mechanical strength. The axial wire frame is reinforced with epoxy resin glue, giving the wire winding exceptional mechanical strength.
[0080] The axial wire frame 3 has two phases, which are cross-distributed at a certain angle, which is conducive to smoother operation of the motor power. However, the more phase groups there are, the more complicated the electronic control circuit is. The output or input phase of the magnetic point motor of the present invention is different from the phase of the existing three-phase motor. The phase difference of the existing three-phase motor is 120 degrees. This is because each phase winding is on one side of the magnet and can only correspond to one magnetic pole. The magnetic point motor of the present invention has a radial magnet wrapped inside each phase winding, so each phase winding corresponds to two magnetic poles at the same time. Therefore, the phase difference of two phases is 90 degrees, three phases is 60 degrees, and four phases is 45 degrees. The phase difference of the magnetic point motor of the present invention is 180 degrees of half-wave phase superposition, and it is positive superposition. Therefore, it will not offset and reduce part of the voltage, the waveform is more stable, and both square wave and sine wave currents can be effectively used.
[0081] When the axial wire frame 3 is three-phase, the three-phase axial wire frame 3 crosses each other at 60 degrees, and the three-phase axial wire frame 3 has six axial wires A, B, C, D, E, and F in sequence, wherein A and D are two axial wires of the first-phase axial wire frame 3, B and E are two axial wires of the second-phase axial wire frame 3, and C and F are two axial wires of the third-phase axial wire frame 3. The closed electromagnetic field magnetic point motor measures and controls the back electromotive force of the axial wire frame 3 through the motor controller 6. The current switch change of the three-phase crossed axial wire frame changes with the direction of rotation of the magnetic field, and the axial current direction corresponding to the radial NS dipole magnetic field direction remains unchanged, that is, no matter which position the radial magnet rotates to, the axial current direction corresponding to the N pole is always positive, and the axial current direction corresponding to the S pole is always reverse, or, no matter which position the radial magnet rotates to, the axial current direction corresponding to the N pole is always reverse, and the axial current direction corresponding to the S pole is always positive. Forward, when the current direction of the A-part axial wire corresponding to the N pole is forward, the current direction of the D-part axial wire corresponding to the S pole is reverse, when the N pole rotates to the B-part axial wire, the current direction of the B-part axial wire corresponding to the N pole is forward, and the current direction of the E-part axial wire corresponding to the S pole is reverse, when the N pole rotates to the C-part axial wire, the current direction of the C-part axial wire corresponding to the N pole is forward, and the current direction of the F-part axial wire corresponding to the S pole is reverse, when the N pole rotates to the D-part axial wire, the current direction of the D-part axial wire becomes forward, and the current direction of the A-part axial wire corresponding to the S pole becomes reverse, when the N pole rotates to the E-part axial wire, the current direction of the E-part axial wire becomes forward, and the current direction of the B-part axial wire corresponding to the S pole becomes reverse, when the N pole rotates to the F-part axial wire, the current direction of the F-part axial wire becomes forward, and the current direction of the C-part axial wire corresponding to the S pole becomes reverse, the above-mentioned conversion process is completed by the motor controller 6.
[0082] The electronic conversion process for motor operation can be completed by an LGBT module or MOS module motor controller. The output or input phase of this motor differs from that of existing three-phase motors. Existing three-phase motors have a phase difference of 120 degrees. This is because each phase winding is on one side of the magnet and can only correspond to one magnetic pole. In this motor, each phase winding encloses a radial magnet, so each phase winding corresponds to two magnetic poles at the same time, resulting in a 60-degree three-phase phase. The phase difference of this motor is 180 degrees. The phases are superimposed within the half-wave, and the superposition is positive. Therefore, it does not offset or reduce part of the voltage, resulting in a smoother waveform, and can effectively use both square wave and sine wave currents.
[0083] The housing 2 is a fixed component supporting the axial lead frame 3 and the radial magnetic rotor 1. The housing 2 is cylindrical or has a cylindrical structure with a cover at one or both ends. Bearing seats are located in the centers of both ends of the housing 2. The shaft 10 of the radial magnetic rotor 1 is mounted with bearings 4, which are mounted in the bearing seats at the centers of both ends of the housing 2. One or both ends of the shaft 10 extend to serve as the power output shaft. The shaft 10 is provided with a retaining spring and retaining spring groove, located inside the housing 2 and bearing 4, to position the bearing 4. A cooling fan is provided on the shaft 10, or a liquid cooling pipe is provided on the housing 2. The cooling pipe has an inlet and outlet connected to a water pump system or an oil pump system, and the motor dissipates heat through water cooling or oil cooling.
[0084] The housing 2 is cylindrical or has a cylindrical structure. The cylindrical structure refers to a housing 2 having only a basic cylindrical load-bearing frame and an open structure without any closed surfaces. The housing 2 can be made of one or more materials, preferably Teflon or carbon fiber, followed by nylon, stainless steel, and aluminum alloy. If iron loss is not a concern, iron materials such as silicon steel can be used. Since closed electromagnetic field magnetic point motors are free from the limitations of an iron core, the conductors can be made as thick as possible, resulting in very low copper loss. If iron loss is not a concern, the housing 2 can be made of materials such as plastics with poor thermal conductivity.
[0085] When the axial wire frame 3 is three-phase, the casing 2 is in the shape of a regular hexagonal cylinder, with a cover at one end, the cover having a wire lead-out hole, a bearing seat at the center of the two ends of the casing, and an axial ridge 21 at the midline of the six faces of the inner wall of the casing. The width of the axial ridge 21 is equal to or greater than the diameter of the shaft 10. The axial wire frame 3 is three-phase, and each phase axial wire frame 3 is divided into two groups. The axial ridge 21 is located between the two groups of axial wire frames 3, or the casing 2 is composed of two regular hexagonal end panels 20, six long rods 22, and six rectangular side panels 23 fixedly connected. There are bolt holes at both ends of the long rod 22. The hexagonal end panel 20 has through holes at the six diagonal corners, and the through holes are bolted through and fixedly connected to six long rods 22 to form a regular hexagonal basic structure. The center of the regular hexagonal end panel 20 has a bearing seat, and the six rectangular side panels 23 are fixedly connected to the two regular hexagonal end panels 20. There are wire lead-out holes 24 on the end panel 20 or the side panel 23, and an axial ridge 21 on the center line of the inner wall of the six rectangular side panels 23. Because of the shaft 10, the two end edges of the phase line must avoid the shaft 10, and the axial wire frame 3 of each phase must be divided into two groups in half. The axial ridge 21 on the center line of the inner wall is the dividing line and support member of the two groups of each phase.
[0086] Embodiment 4: A transformer, comprising a radial magnetic rotor, a casing, an axial wire frame, and a bearing, characterized in that: the radial magnetic rotor comprises a shaft and a radial magnet, the radial magnet is a magnetic roller composed of a radial NS dipole magnetic field, the shaft is tightly connected to the radial magnet, the magnetic field direction of the radial magnet is perpendicular to the axial direction of the shaft, the radial magnet 11 has a through hole in the center, the shaft 10 is tightly and fixedly connected through the above-mentioned through hole, and the radial magnet 11 is coaxially assembled with the shaft 10. In a micro-small magnetic point motor, the radial magnet 11 is generally a single radial NS permanent magnet. In a medium-to-large magnetic point motor, a magnetic roller is composed of multiple radial permanent magnets arranged in the same magnetic field direction. The total magnetic field direction of the magnetic roller is still a radial NS dipole magnetic field. The magnetic roller has various forms. The high-speed motor uses a cylinder to encapsulate the permanent magnet, and the two ends of the cylinder are encapsulated. The permanent magnet is arranged against the inner wall of the cylinder, or the surface of the magnetic roller is tooth-shaped, narrow on the concave surface and wide at the bottom, and the magnetic strip is embedded in it. This method is used for medium-to-large high-speed motors. Alternatively, the permanent magnet is glued to the surface of the magnetic roller with strong glue, and the radial permanent magnet is reinforced with a high-strength stainless steel cylinder, or the radial permanent magnet is reinforced with carbon fiber cloth wrapped around it. The material of the radial magnet 11 is generally neodymium iron boron magnet or ferrite magnet.
[0087] The radial NS dipole magnetic field refers to the radial magnetic rotor. Regardless of the number of permanent magnets arranged on the rotating circumference, the overall magnetic field direction is still a radial NS dipole magnetic field, such as NS, NNSS, NNNNSSSS, etc. These arrangements are all radial NS dipole magnetic fields, representing magnetic points with open magnetic fields. However, arrangements such as NSNS, NSNSNS, NSNSNSNS, etc. on the rotating circumference are not radial NS dipole magnetic fields, but rather quadrupole, hexapole, octupole, or multipole closed-loop magnetic systems. Multipole closed-loop magnetic systems are closed magnetic fields and cannot be used as wireless power receivers.
[0088] The axial wire frame 3 is a rectangular wire winding. The axial wire frame 3 has multiple groups of wire windings in one phase. The axial wire frame 3 is sheathed with the radial magnet 11, that is, the radial magnet 11 is located in the axial wire frame 3. The radial width of the axial wire frame 3 is greater than the diameter of the radial magnet 11. There is a rotation gap between the axial wire frame 3 and the radial magnet 11. The radial magnet 11, the housing 2, the axial wire frame 3, the bearing 4 and the shaft 10 are coaxially assembled. The housing 2 and the axial wire frame 3 are fixed. The radial magnet 11 rotates relative to each other in the axial wire frame 3. The radial rotating magnetic field relatively cuts the axial wire frame 3. The wire ends of the axial wire frame 3 are led out from the housing 2. The axial wire frame 3 is rectangular, and the wires on the four sides are straight and parallel, or the axial wire parts on two sides are straight and parallel, and the radial wire parts on the other two sides are bent into a certain arc. The axial wire frame 3 is a rectangular wire winding, meaning its four sides form a rectangular shape when viewed from above. Two of the axial wire portions are straight and parallel, representing the primary electromagnetic induction portion. The radial wire portions on the other two sides can be straight or curved, representing the secondary electromagnetic induction portion. These portions have weaker electromagnetic induction, and the curved shape allows them to bypass the shaft 10. The wires in the axial wire frame 3 include copper and aluminum wires, with cross-sectional shapes ranging from round to square. The square-shaped wires enhance current flow and mechanical strength. The axial wire frame is reinforced with epoxy resin glue, giving the wire winding exceptional mechanical strength.
[0089] When the axial wire frame 3 is a single phase, the closed electromagnetic field magnetic point motor measures and controls the back electromotive force of the axial wire frame 3 through the motor controller, so that the current switch change of the axial wire frame 3 changes as the magnetic field rotates to a certain position, and the axial current direction corresponding to the radial NS dipole magnetic field direction of the radial magnet 11 remains unchanged. That is, no matter which position the radial magnet rotates to, the axial current direction corresponding to the N pole is always positive, and the axial current direction corresponding to the S pole is always negative. Alternatively, no matter which position the radial magnet rotates to, the axial current direction corresponding to the N pole is always negative, and the axial current direction corresponding to the S pole is always positive. Under the control of the motor controller 6, both square wave and sine wave currents can be effectively used.
[0090] The axial conductor frame 3 is a single-phase, multi-group system consisting of a main conductor frame and one or more auxiliary conductor frames. The main conductor frame inputs voltage, while the auxiliary conductor frames output voltage. Each auxiliary conductor frame has a different number of turns, resulting in a different output voltage. This system is applicable to grid transformers, various power transformers, and welding machines. The main conductor frame receives AC power, which is controlled by a motor controller. The radial magnetic rotor 1 rotates, generating a varying electromagnetic field that cuts through the auxiliary conductor frames, which then output AC power at a different voltage than the main conductor frame.
[0091] The housing 2 is a fixed component supporting the axial lead frame 3 and the radial magnetic rotor 1. The housing 2 is cylindrical or has a cylindrical structure with a cover at one or both ends. Bearing seats are located at the centers of both ends of the housing 2. The shaft 10 of the radial magnetic rotor 1 is mounted with bearings 4, which are mounted in the bearing seats at the centers of both ends of the housing 2. The shaft 10 is provided with a retaining spring and retaining spring groove, located inside the housing 2 and bearing 4, to position the bearing 4. A cooling fan is provided on the shaft 10, or a liquid cooling pipe is provided on the housing 2. The cooling pipe has an inlet and outlet connected to a water pump system or an oil pump system. The motor dissipates heat through water cooling or oil cooling.
[0092] The housing 2 is cylindrical or has a cylindrical structure. The cylindrical structure refers to a housing 2 having only a basic cylindrical load-bearing frame and an open structure without any closed surfaces. The housing 2 can be made of one or more materials, preferably Teflon or carbon fiber, followed by nylon, stainless steel, and aluminum alloy. If iron loss is not a concern, iron materials such as silicon steel can be used. Since closed electromagnetic field magnetic point motors are free from the limitations of an iron core, the conductors can be made as thick as possible, resulting in very low copper loss. If iron loss is not a concern, the housing 2 can be made of materials such as plastics with poor thermal conductivity.
[0093] The casing 2 is square cylindrical with a cover at one end. The cover has a wire lead-out hole. There are bearing seats in the center of both ends of the casing 2. The midlines of the four surfaces of the inner wall of the casing 2 have axial ridges 21. The width of the axial ridges 21 is equal to or greater than the diameter of the shaft 10. The axial wire frame 3 has a single-phase input and multiple groups of outputs. The axial ridges 21 are located between the two groups of axial wire frames 3. Alternatively, the casing 2 is composed of two square end panels 20, four long rods 22, and four rectangular side panels 23 fixedly connected. There are bolt holes at both ends of the long rods 22, and through holes at the four diagonal corners of the square end panels 20. Bolts pass through the through holes and are fixedly connected to the four long rods 22 to form a basic structure. There is a bearing seat in the center of the square end panel 20, and the four rectangular side panels 23 are fixedly connected to the two square end panels 20. There are wire lead-out holes 24 on the end panels 20 or the side panels 23, and axial ridges 21 are provided on the center lines of the inner walls of the four rectangular side panels 23. Because of the shaft 10, the two end edges of the phase line must avoid the shaft 10, and the axial wire frame 3 of each phase must be divided into two groups in half. The axial ridge 21 on the center line of the inner wall is the dividing line and support member of the two groups.
[0094] The above-mentioned embodiments only describe several implementation methods of the present invention, and the description is relatively specific and detailed, but it cannot be understood as limiting the patent scope of the present invention. It should be pointed out that for ordinary technicians in this field, several variations and improvements can be made without departing from the concept of the present invention, which all fall within the scope of protection of the present invention. Therefore, the scope of protection of the patent of the present invention should be based on the attached claims.
Claims
1. A closed electromagnetic field magnetic point motor, comprising a radial magnetic rotor (1), a housing (2), an axial wire frame (3), and a bearing (4), characterized in that: The radial magnetic rotor (1) includes a shaft (10) and a radial magnet (11), the radial magnet (11) is a magnetic roller composed of a radial NS dipole magnetic field, the shaft (10) is tightly connected to the radial magnet (11), the radial magnet (11) and the shaft (10) are coaxially mounted, the housing (2) is a fixing member supporting the axial wire frame (3) and the radial magnetic rotor (1), the housing (2) is cylindrical or cylindrical in shape, with a cover at one end or both ends, the center of the two ends of the housing (2) has a bearing seat, the shaft (10) of the radial magnetic rotor (1) is installed with a bearing (4), the bearing (4) is mounted in the bearing seat at the center of the two ends of the housing (2), and the axial wire frame (3) is arranged at the center of the housing (2). The axial wire frame (3) is arranged inside the housing (2), or outside the housing (2), the axial wire frame (3) is a ring-shaped or rectangular wire winding, the axial wire frame (3) has one phase, two phases, or multiple phases, and the two phases or multiple phases are cross-distributed at a certain angle, the axial wire frame (3) is sheathed with the radial magnet (11), or the radial magnet (11) is in the closed magnetic field of the axial wire frame (3), there is a rotation gap between the axial wire frame (3) and the radial magnet (11), the housing (2) and the axial wire frame (3) are fixed, the radial magnet (11) rotates relatively in the axial wire frame (3), and the radial rotating magnetic field relatively cuts the axial wire frame (3).
2. The closed electromagnetic field magnetic point motor according to claim 1, characterized in that: The closed electromagnetic field magnetic point motor has a motor controller. The closed electromagnetic field magnetic point motor measures and controls the back electromotive force of the axial wire frame (3) through the motor controller, so that the current switch change of the axial wire frame (3) changes as the magnetic field rotates to a certain position, and the axial current direction corresponding to the radial NS dipole magnetic field direction of the radial magnet (11) always remains unchanged.
3. The closed electromagnetic field magnetic point motor according to claim 1 or claim 2, characterized in that: When the axial wire frame (3) is one-phase, the current switch change of the axial wire frame (3) changes with the direction of rotation of the magnetic field, and the axial current direction corresponding to the radial NS dipole magnetic field direction remains unchanged, that is, no matter which position the radial magnet (11) rotates to, the axial current direction corresponding to the N pole is always positive, and the axial current direction corresponding to the S pole is always negative, or, no matter which position the radial magnet (11) rotates to, the axial current direction corresponding to the N pole is always negative, and the axial current direction corresponding to the S pole is always positive. The above-mentioned conversion process is completed by the motor controller measuring and controlling the back electromotive force of the axial wire frame (3).
4. The closed electromagnetic field magnetic point motor according to claim 1 or claim 2, characterized in that: When the axial wire frame (3) is two-phase, the two-phase axial wire frames (3) cross each other vertically and form a "cross" shape. The two-phase axial wire frame (3) has four axial wires in sequence, namely, upper, left, lower and right. Among them, the upper and lower are two axial wires of one phase axial wire frame (3), and the left and right are two axial wires of another phase axial wire frame (3). The current switch change of the two-phase crossed axial wire frame (3) changes with the direction of rotation of the magnetic field. The axial current direction corresponding to the radial NS dipole magnetic field direction remains unchanged. That is, no matter which position the radial magnet (11) rotates to, the axial current direction corresponding to the N pole is always positive, and the axial current direction corresponding to the S pole is always reverse. Alternatively, no matter which position the radial magnet (11) rotates to, the axial current direction corresponding to the N pole is always positive, and the axial current direction corresponding to the S pole is always reverse. Alternatively, no matter which position the radial magnet (11) rotates to, the axial current direction corresponding to the N pole is always positive. The current direction is always in the reverse direction, and the axial current direction corresponding to the S pole is always in the forward direction. When the current direction of the upper axial conductor corresponding to the N pole is forward, the current direction of the lower axial conductor corresponding to the S pole is reverse. When the N pole rotates to the left axial conductor, the current direction of the left axial conductor corresponding to the N pole is forward, and the current direction of the right axial conductor corresponding to the S pole becomes reverse. When the N pole rotates to the lower axial conductor, the current direction of the lower axial conductor becomes forward, and the current direction of the upper axial conductor corresponding to the S pole becomes reverse. When the N pole rotates to the right axial conductor, the current direction of the right axial conductor becomes forward, and the current direction of the left axial conductor corresponding to the S pole becomes reverse. The above-mentioned transformation process is completed by the motor controller measuring and controlling the back electromotive force of the axial conductor frame (3).
5. The closed electromagnetic field magnetic point motor according to claim 1 or claim 2, characterized in that: When the axial wire frame (3) is three-phase, the three-phase axial wire frame (3) crosses each other at 60 degrees, and the three-phase axial wire frame (3) has six axial wires A, B, C, D, E, and F in sequence, wherein A and D are two axial wires of the first-phase axial wire frame (3), B and E are two axial wires of the second-phase axial wire frame (3), and C and F are two axial wires of the third-phase axial wire frame (3). The current switch change of the three-phase crossed axial wire frame (3) changes with the direction of rotation of the magnetic field, and the axial current direction corresponding to the radial NS dipole magnetic field direction remains unchanged, that is, no matter which position the radial magnet (11) rotates to, the axial current direction corresponding to the N pole is always positive, and the axial current direction corresponding to the S pole is always reversed, or, no matter which position the radial magnet (11) rotates to, the axial current direction corresponding to the N pole is always reversed, and the axial current direction corresponding to the S pole is always positive. When the axial wire current of the A part corresponding to the N pole is reversed, the axial current direction corresponding to the S pole is always positive. The current direction is positive, and the current direction of the D-part axial wire corresponding to the S pole is negative. When the N pole rotates to the B-part axial wire, the current direction of the B-part axial wire corresponding to the N pole is positive, and the current direction of the E-part axial wire corresponding to the S pole is negative. When the N pole rotates to the C-part axial wire, the current direction of the C-part axial wire corresponding to the N pole is positive, and the current direction of the F-part axial wire corresponding to the S pole is negative. When the N pole rotates to the D-part axial wire, the current direction of the D-part axial wire becomes positive, and the current direction of the A-part axial wire corresponding to the S pole becomes negative. When the N pole rotates to the E-part axial wire, the current direction of the E-part axial wire becomes positive, and the current direction of the B-part axial wire corresponding to the S pole becomes negative. When the N pole rotates to the F-part axial wire, the current direction of the F-part axial wire becomes positive, and the current direction of the C-part axial wire corresponding to the S pole becomes negative. The above-mentioned transformation process is completed by the motor controller measuring and controlling the back electromotive force of the axial wire frame (3).
6. The closed electromagnetic field magnetic point motor according to claim 1 or claim 2, characterized in that: When the axial wire frame (3) is one-phase or two-phase, the housing (2) is in the shape of a square cylinder, with a cover at one end, the cover having a wire lead-out hole (24), a bearing seat at the center of the two ends of the housing (2), and an axial convex strip (21) at the center line of the four faces of the inner wall of the housing (2), the width of the axial convex strip is equal to or greater than the diameter of the shaft (10), the axial wire frame (3) is one-phase or two-phase, each phase axial wire frame (3) is divided into two groups, the axial convex strip (21) is between the two groups of axial wire frames (3), or, the housing (2) is composed of two square end panels (20), four long rods (22) and four rectangular side panels (23) are fixedly connected, the two ends of the long rods have bolt holes, the four diagonal positions of the square end panel (20) have through holes, the through holes are passed through by bolts and fixedly connected with the four long rods (22) to form a basic structure, the center of the square end panel (20) has a bearing seat, the four rectangular side panels (23) are fixedly connected with the two square end panels (20), the end panel (20) or the side panel (23) has a wire lead-out hole, and the inner wall center line of the four rectangular side panels (23) has an axial convex strip (21).
7. The closed electromagnetic field magnetic point motor according to claim 1 or claim 2, characterized in that: When the axial wire frame (3) is three-phase, the housing (2) is in the shape of a regular hexagonal cylinder, with a cover at one end, the cover having a wire lead-out hole, a bearing seat at the center of the two ends of the housing (2), and an axial convex strip (21) on the center line of the six faces of the inner wall of the housing (2), the width of the axial convex strip (21) is equal to or greater than the diameter of the shaft (10), the axial wire frame (3) is three-phase, each phase axial wire frame (3) is divided into two groups, the axial convex strip is located between the two groups of axial wire frames (3), or the housing (2) is composed of two regular hexagonal end panels (20), six The invention relates to a structure comprising a long rod (22) and six rectangular side panels (23) fixedly connected. The long rod (22) has bolt holes at both ends. The regular hexagonal end panel (20) has through holes at six diagonal positions. Bolts pass through the through holes and are fixedly connected to the six long rods (22) to form a basic structure. The regular hexagonal end panel (20) has a bearing seat at its center. The six rectangular side panels are fixedly connected to the two regular hexagonal end panels. A wire lead-out hole (24) is provided on the end panel (20) or the side panel (23). The six rectangular side panels (23) have axial convex strips (21) on the center lines of their inner walls.
8. The closed electromagnetic field magnetic point motor according to claim 1 or claim 2, characterized in that: The radial magnet (11) is a magnetic roller composed of one or more radial permanent magnets arranged in the same magnetic field direction. The magnetic roller is a radial NS dipole magnetic field. The magnetic roller is cylindrical, and the two ends of the cylinder are sealed. The permanent magnet is attached to the inner wall of the cylinder. Alternatively, the surface of the magnetic roller is tooth-shaped, narrow at the top and wide at the bottom, and the magnetic strip is embedded therein. Alternatively, the permanent magnet is attached to the surface of the magnetic roller, and a stainless steel cylinder is used to reinforce the radial permanent magnet, or carbon fiber cloth is wrapped to reinforce the radial permanent magnet.
9. The closed electromagnetic field magnetic point motor according to claim 1 or claim 2, characterized in that: The shaft (10) is provided with a retaining spring and a retaining spring groove, and the retaining spring and the retaining spring groove are located inside the housing (2) and the bearing (4). One end or both ends of the shaft (10) extend out to serve as a power output shaft.
10. The closed electromagnetic field magnetic point motor according to claim 1 or claim 2, characterized in that: The radial magnet (11) is an electromagnet, which includes a conducting coil and an electromagnet core. The tail of the shaft (10) is provided with a brush, and the two ends of the conducting coil are connected to the brush.
11. The closed electromagnetic field magnetic point motor according to claim 1 or claim 2, characterized in that: When there are multiple groups of axial wire frames (3), they are used as transformers. The axial wire frames (3) have a main wire frame and a sub-wire frame. The main wire frame inputs current, and the sub-wire frame outputs current.