CN111049354A - Alternating current-direct current linear permanent magnet motor - Google Patents
Alternating current-direct current linear permanent magnet motor Download PDFInfo
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- CN111049354A CN111049354A CN201811205536.1A CN201811205536A CN111049354A CN 111049354 A CN111049354 A CN 111049354A CN 201811205536 A CN201811205536 A CN 201811205536A CN 111049354 A CN111049354 A CN 111049354A
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K41/00—Propulsion systems in which a rigid body is moved along a path due to dynamo-electric interaction between the body and a magnetic field travelling along the path
- H02K41/02—Linear motors; Sectional motors
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K41/00—Propulsion systems in which a rigid body is moved along a path due to dynamo-electric interaction between the body and a magnetic field travelling along the path
- H02K41/02—Linear motors; Sectional motors
- H02K41/035—DC motors; Unipolar motors
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Abstract
The invention discloses an alternating current-direct current linear permanent magnet motor which comprises three parts, namely a stator, a rotor, a track supporting wheel base body and an external controller power supply, wherein a silicon steel magnetic core of the stator is provided with a wire slot and a plurality of identical coil windings, the magnetic core is provided with a groove, a permanent magnet of the stator is arranged in the groove, the groove is provided with a closed opening and an open opening, the two types of the closed opening and the open opening are mutually overlapped to form a magnetic core in a stator fence shape, a stator coil unit consists of the permanent magnet of the stator arranged in the groove of the two magnetic cores and two identical coils, and a plurality of identical coil units; the rotor comprises a rotor silicon steel magnetic core, a closed squirrel cage, a permanent magnet and a rotor structural matrix, and the controller outputs three-phase half-wave direct-current power supplies with positive and negative sine waves or correction wave pulses.
Description
Technical Field
The invention relates to an alternating current-direct current linear permanent magnet motor which converts electromagnetic energy into linear motion mechanical energy and is provided with a transmission device without an intermediate conversion mechanism, in particular to an alternating current permanent magnet motor, and belongs to the technical field of special motors.
Background
At present, the stator primary coil of the common high-power linear motor on the market generates a large amount of heat when being electrified, which is a main source of waste and electric energy consumption, and the unsafe accident of overheating and burning the winding can often occur, therefore, the scheme of temperature reduction and power saving needs to be further researched to ensure that the linear motor is more efficient and safer, aiming at the problems, a novel special motor device, namely an alternating current-direct current linear permanent magnet motor, is innovatively designed according to an approved patent number ZL201720376551.7 alternating current permanent magnet motor and another patent method for manufacturing the alternating current permanent magnet motor, can obviously save energy and reduce temperature to reach higher efficiency than the existing linear motor in the market, because the input power supply in the AC/DC linear permanent magnet motor system has the characteristics of AC and DC components at the same time, the intellectualization is easier to realize, can further enrich the variety of special motors such as linear motors and the like and has the effect of updating the field of relevant power mechanical equipment.
Disclosure of Invention
The invention aims at the existing problems to provide an alternating current-direct current linear permanent magnet motor system which is energy-saving, temperature-reducing, green, safe, novel in structure and reliable in operation, wherein a permanent magnet is arranged in a silicon steel lamination magnetic core in a stator primary coil, each phase of a single alternating current coil of a traditional motor is designed and manufactured into two independent direct current coils, one independent direct current coil limits a positive pulse direct current which is directly introduced into full-wave rectification, the other independent direct current coil limits the other half negative pulse direct current which is directly introduced into the rectification, so that one of the two independent direct current coils is electrified, the other independent direct current coil is in a power-off state, the two direct current coils run alternately, the surface polarity of the permanent magnet arranged in a groove of the silicon steel magnetic core of the direct current coil is the same as the polarity of an electromagnetic field of the direct current coil, and a pulse electromagnetic field generated by electrification and a permanent magnet magnetic field are superposed to form a new composite, the surface magnetic polarities of the two direct current coils are opposite, in the effect of changing the power supply frequency, the positive and negative composite magnetic fields are frequently and regularly exchanged in turn, a composite traveling wave magnetic field flux linkage and a pushing torque are formed by the air gap and a permanent magnetic field on the secondary rotor, and the secondary rotor continuously moves on the track matrix and outputs mechanical energy to the outside; a three-phase alternating current power supply is respectively connected to each corresponding terminal in a primary coil of a stator through full-wave rectification, a composite travelling wave magnetic field generated at an air gap position is a fluctuating pulse magnetic field, the composite travelling wave magnetic field has the characteristic of a moving magnetic field under the condition of a three-phase differential angle, a metal squirrel cage frame on a secondary rotor is cut by the dynamic travelling wave magnetic field, electromotive force is induced and current is generated, the current interacts with the composite travelling wave magnetic field in the air gap to generate electromagnetic thrust movement, the operation direction is determined, a plurality of permanent magnet combinations are arranged on the rotor and generate thrust to move under the action of the composite travelling wave magnetic field of the stator, or the power supply is respectively connected to each corresponding terminal in the primary coil of the stator through inversion pulse rectification by adopting a storage battery, 50HZ adjustable frequency and a 120-degree differential angle are added to generate a, the frequency and the differential angle are adjustable, and a short primary long secondary is suitable for a high-power AC/DC linear permanent magnet motor as a main type; the innovation and improvement contents are as follows: the invention relates to an AC/DC linear permanent magnet motor, which comprises a stator, a rotor, a track supporting wheel base body and three parts of an external controller power supply, wherein a plurality of wire grooves are formed in a silicon steel lamination sheet magnetic core of the stator, the same grooves are formed in the magnetic core, the same primary winding coils are embedded in the wire grooves, the distance between the magnetic cores of two adjacent identical coil grooves of each single phase is only the distance of one wire notch, the magnetic polarities of the surfaces of permanent magnets arranged in adjacent grooves are different, one of the two adjacent coils of each single phase is connected with a forward pulse direct current, the other is connected with a reverse pulse direct current, the polarities of electromagnetic fields generated in the two coils are also opposite, the polarities of the permanent magnets arranged in the two coils are necessarily the same as the polarities of the electromagnetic fields of the direct current coils, the external dimensions and the magnetic parameters of each permanent magnet are basically the same, and the new composite magnetic field generated by the same polarities of the electromagnetic fields of each coil and the composite magnetic field is not only enhanced compared with the original single magnetic field, but also has the magnetizing protection function on the permanent magnet by the electromagnetic field, the permanent magnet cannot be demagnetized, the shapes of three wire slots of two adjacent same coils respectively leading in positive and negative currents on each single-phase of the silicon steel lamination magnetic core of the stator are different, the middle of the two slots is in a complete wire slot shape, the wire inlet caliber of the complete wire slot is longer, the main reason is to give the positions of the magnetic cores to the slots on two sides, the positions of the magnetic cores of the two direct current coils are as close as possible, the pulse width of the two electromagnetic fields is reduced during instantaneous switching, the wire slots on the other two sides are in a half wire slot shape, the two coils are embedded in the complete wire slot in the middle and are double-layer windings, the single side of one coil is embedded in the wire slots on the other two sides and is a single-layer winding, and a plurality of groups of the two same coils respectively leading in the, the same phase coil is composed of 2N same coil units, each three groups of same phase sequence coils form an A ten, B ten, C ten and A-, B-, C-and O line, the stator three-phase coil of the positive and negative opposite combination and a plurality of integral multiples of the same coil form a complete stator primary coil of an AC/DC linear permanent magnet motor, when electrified, a composite travelling wave magnetic field is generated in an air gap, which is similar to a composite rotating magnetic field generated by three-phase alternating current, the stator primary coil is respectively embedded into a magnetic core wire slot formed by stator silicon steel laminated sheets, the coil embedding mode is double-layer, single-layer or multi-layer, a plurality of permanent magnets with the same polarity are arranged in each stator magnetic core groove, the polarities of the permanent magnets arranged in adjacent coil magnetic cores are opposite, grooves processed by silicon steel sheets respectively have two shapes, one is an open groove, and the other is a closed groove, the surface of the magnetic core after the two different grooves are alternately laminated presents a fence hollow core shape, so that the permanent magnet arranged in the groove has obvious gaps alternately exposed, the exposed area is larger than one half of the monopole area of the permanent magnet, the size ratio of the fence hollow core shape hollow core to the solid core shape on the surface of the magnetic core is adjusted, the composite traveling wave magnetic field condition of an air gap can be influenced, the parameters of each group of primary coils of the stator are completely the same, the Y-star connection method is adopted, the outgoing line is in a three-phase one-zero mode, 7 outgoing lines are totally arranged on one zero line, or 5 outgoing lines are arranged on one phase, the potential angle difference of A, B, C of three phase lines is 120 degrees or 60 degrees, the frequency is 20-1000Hz, the speed is convenient to adjust, the outgoing line heads cannot be mutually exchanged, because the input half-wave current belongs to the direct current! When the joints are exchanged, the positive and negative joints A ten and A-of the phase sequence are simultaneously exchanged with the other phase sequence B ten and B-, or exchanged with C ten and C-, so that the motion direction of the rotor can be changed; the stator assembly modules are arranged in the middle of two tracks on the surface of a stator base body, air gaps are always kept between the surfaces of the stator assembly modules and the surfaces of permanent magnets arranged on a rotor structure base body, the base body is made of steel or reinforced concrete or a special composite material, the tracks are arranged on two sides of the surface of the stator base body, and the stator assembly modules can be arranged on the surface of the stator base body independently or in an orderly arrangement mode; the rotor structure base is provided with a supporting wheel or a sliding block assembly which is always in dynamic matching relation with the track, and the dynamic matching relation of the supporting wheel or the sliding block assembly is mechanical matching or sub-magnetic suspension matching; the outgoing line of the three-phase primary coil of the stator assembly module has more than 7 connecting wires; a coupling transformer and a squirrel cage metal conducting bar are arranged in the rotor structure base to form an induction power supply, voltage and current generated by induction in the running state are supplied to equipment in the rotor structure base for use, and the power supply in the rotor structure base is formed by the active power supply and a standby storage battery pack; if the primary is fixed, the secondary moves linearly on the track, otherwise, the secondary moves linearly; a power supply of an AC-DC linear permanent magnet motor is input by a controller, the controller is respectively provided with a plurality of series products according to the power supply and configuration, the power supply for the controller is divided into a three-phase power supply of a power plant or a storage battery DC power supply or a solar battery and other various power supplies, the input is that a three-phase AC power supply is directly connected into a matched controller and is output after rectification, the input power supply is direct current which needs to pass through an inverter firstly and then is input into the controller and is output after rectification, a main rectified basic circuit in the controller is a three-phase full-wave rectification circuit to generate three-phase sine pulse half-wave direct current, and electronic components and circuits in the three-phase full-wave rectification basic circuit are correspondingly adjusted according to different requirements on required power supply voltage, current and power to form different series products of; in order to improve the power supply quality, a controller also needs to form a control center integrator through control logic, linear coding, frequency conversion and frequency modulation, pulse width regulation, voltage and current stabilization, electric heating regulation, intelligent control circuit regulation, 5G technology, a super capacitor charge-discharge circuit change-over switch and the like in the rectifying process, a super capacitor with proper capacity is configured to have great effect on instantaneously improving the electromagnetic field intensity of a stator direct current coil and directly influence the instantaneous output power of a rotor, because the input power supply system has alternating current and direct current components simultaneously and is easy for various intelligent control, a plurality of connected intelligent control circuit regulation sockets are reserved on the controller, half sine waves or correction wave pulse currents respectively having an upper half waveform and a lower half waveform are separately and respectively supplied to two large combined paired coils in a stator primary coil of a linear permanent magnet motor, and the surfaces of each single phase of two adjacent alternating current and direct current coil units, one of the two groups of electrified paired coil unit pulse currents forms a complete single-phase sine wave or correction wave pulse magnetomotive force comprehensively, when the current with the potential angle difference of 120 degrees is introduced, a group of similar three-phase sine wave currents or a group of complete correction wave composite electromagnetic fields are formed comprehensively, and then a composite traveling wave magnetic field is generated; the silicon steel laminated sheets of the rotor are provided with closed circuits of a squirrel cage structure formed by copper materials or aluminum materials, grooves are formed in the rotor silicon steel laminated sheets at intervals of the squirrel cage bars, the surface shapes of the grooves are provided with two corner protectors which are beneficial to the stable installation of the permanent magnets, sunken permanent magnets are installed in the grooves, the permanent magnets have inclination angles due to the inclination angles of the rotor, the width of each groove is 1-1.2 times larger than the size of an outer package of two adjacent magnetic cores on the stator, the squirrel cage bars and the grooves have inclination angles ranging from 1/8 grooves to 1 groove for fixation, the groove ratio of the rotor adopts the design of a conventional alternating current motor, the closed squirrel cage bars on the rotor generate moment to push the rotor to move towards the same direction due to cutting of rotating magnetic lines, the movement direction of zero starting can be determined, the permanent magnets on the rotor are simultaneously pushed to move under the action of a composite traveling wave magnetic field of the stator, or only the permanent magnets are arranged on a rotor steel plate and a direct gluing sinking mode is adopted; the rotor is a structural component in the whole machine, and the shapes and functions of the rotor are completely different when the rotor is applied to different project products; the number of slots of a stator silicon steel sheet of an AC/DC linear permanent magnet motor is N integral multiples of 6, and so on; in order to dissipate heat, a superconducting material matching system and a nano material are adopted for the high-power lead; the terminal ends of a plurality of outgoing lines of a stator primary coil winding are connected to special plugs of 7 plug rods, namely 6 live wire plug rods and 1 zero wire plug rod, according to design requirements in advance, when the special plug is used, the special plug is plugged into a special socket matched with the special plug, the number and the section shape and the size of the metal rods of the special plug are completely consistent with those of the holes of the special socket, and a power output line of a controller is connected to the special socket of 7 plug holes, namely 6 live wire plug holes and 1 zero wire plug hole, so that the special plug is convenient to use, safe and reliable; to summarize: the controller is required to output a plurality of groups of pulse sine half-wave direct currents to supply to the stator primary coils, the waveform characteristic forms of three-phase alternating current electromagnetic fields are formed in the plurality of groups of stator primary coils in an integrated and orderly mode, and regular traveling wave motion flux linkage magnetic fields are formed at air gaps, so that the rotor is forced to move in order by torque to output power.
The technical scheme provided by the invention is as follows: an alternating current-direct current linear permanent magnet motor comprises three parts, namely a stator, a rotor, a track supporting wheel base body and an external controller power supply, wherein a plurality of stator assembling modules are arranged in the middle of two tracks on the surface of the stator base body, air gaps are always reserved between the surfaces of the plurality of stator assembling modules and the surfaces of a plurality of permanent magnets arranged on the rotor structural base body, the base body is made of steel or reinforced concrete or a material made of a special composite material, the tracks are arranged on two sides of the surface of the stator base body, the stator assembling modules can be independently arranged or a plurality of stator assembling modules are arranged on the surface of the stator base body in an orderly mode, and outgoing lines of primary coils; the rotor structure base is provided with a supporting wheel or a sliding block assembly which is always in dynamic matching relation with the track, and the dynamic matching relation of the supporting wheel or the sliding block assembly is mechanical matching or sub-magnetic suspension matching; if the power source is used for a train or subway power source, power line equipment is arranged underground and is not used on a road surface vertical rod overhead line, so that the safety of the train or subway can be improved; the rotor structure material can be made of magnetic materials or non-magnetic materials according to the requirements of various environments, and the rotor structure base is formed by compounding various material parts; the unit magnetic distance size and the input frequency size determine the motion speed of the rotor, and the composite traveling wave magnetic field strength determines the output power of the rotor; if the primary is fixed, the secondary moves linearly on the track, otherwise, the secondary moves linearly; the AC/DC linear permanent magnet motor is of the flat plate type, the U-shaped groove type and the tubular type, and the basic operation principle is the same.
The alternating current-direct current linear permanent magnet motor is characterized in that a plurality of wire slots are formed in a silicon steel lamination piece magnetic core of a stator, the same grooves are formed in the magnetic core, the same winding coils are embedded in the wire slots, the middle of each two adjacent identical coil groove magnetic cores of a single phase is only separated by the distance of a wire slot wire inlet, the magnetic polarities of the surfaces of permanent magnets installed in adjacent grooves are different, one of the two adjacent coils of each single phase is connected with positive pulse direct current, the other is connected with reverse pulse direct current, one of the two independent direct current coils is connected with the power, the other is in a power-off state and alternately operates, the polarities of electromagnetic fields generated in the two coils are opposite, the polarities of the permanent magnets installed in the two coils are the same as the polarities of the direct current coils, the external dimension and the magnetic parameters of each permanent magnet are basically the same, and the new composite magnetic field generated by the same polarity of each electromagnetic field and the polarity of, compared with the original single magnetic field, the composite magnetic field is enhanced, and meanwhile, the electromagnetic field also has the magnetizing protection function on the permanent magnet, so that the permanent magnet cannot be demagnetized; when the electrified coil is powered off, a back electromotive force and a back electromagnetic field can be generated, the intensity of the back magnetic field is far smaller than that of the electromagnetic field when the electrified coil is powered on, but is opposite to the polarity of the permanent magnet in the magnetic core groove, the generated composite magnetic field is subjected to negative superposition subtraction, the magnetic resistance of the permanent magnet on the rotor can be reduced, and the operation of the rotor is facilitated; the shape of three wire slots of every single-phase adjacent two same coils on the silicon steel lamination magnetic core of the stator is different, the middle of the two grooves is a complete wire slot, the wire inlet diameter of the complete wire slot is longer, the position of the magnetic core is given to the grooves at two sides, the positions of the magnetic cores of the two direct current coils are close to each other as much as possible, the two electromagnetic fields are beneficial to reducing the pulse width during instantaneous switching, the wire slots at the other two sides are half wire slots, because the two coils are embedded in the complete wire slot at the middle and are double-layer windings, the wire slots at the other two sides are embedded with a single side of a coil and are single-layer windings, a plurality of groups of the two same coils which are respectively introduced with forward or reverse current and the magnetic cores are combined to form a coil unit, 2N same coil units form a same phase coil, and every three groups of same phase sequence coils form an A ten phase coil, B ten, C ten and A-, B-, C-and O lines, the stator three-phase coil of the positive and negative relative combination and a plurality of integral multiples of the same coil form the complete stator primary coil of the motor.
The alternating current-direct current linear permanent magnet motor is characterized in that a primary coil of a stator is respectively embedded into a magnetic core wire slot formed by stator silicon steel laminated sheets, the coil is wound by an enameled copper wire or a conducting strip, the coil is embedded into a double-layer or single-layer or multi-layer manner, a plurality of permanent magnets with the same polarity are arranged in the same groove of each stator magnetic core, the polarities of the permanent magnets arranged in adjacent coil magnetic cores are opposite, the grooves processed by the silicon steel sheet single sheets are respectively in two shapes, one is an open groove, the other is a closed groove, the surfaces of the magnetic cores formed by alternately laminating the two different grooves are in a fence hollow shape, so that the permanent magnets arranged in the grooves have obvious gaps and are alternately exposed, the exposed area is larger than one half of the monopole area of the permanent magnets, after the permanent magnets are arranged in the grooves, different magnetic field strengths are generated at the air gaps, The magnetic intensity of the coil when not electrified, the magnetic intensity of the coil when electrified and the magnetic intensity of the composite magnetic field, the magnetic field intensity of the opening groove is lower than that of the sealing groove, the phenomenon of weak fluctuation of the magnetic field still exists at the air gap when the power is off, and the air gap is covered by a strong composite magnetic field when electrified; the parameters of each group of coils of the stator are completely the same, the Y-star connection method is adopted, the outgoing lines are in a three-phase one-zero mode, 7 outgoing lines are formed by 6 direct currents of one zero line, or 5 outgoing lines are formed by single phases, the current waveforms and the pulse intervals of the coils are different by a Pi period, the power supply input in each single phase sequence is characterized in that the amplitude of pulse magnetomotive force is positioned at the axis of a phase winding and is fixed in position, the positive and negative half waveforms are observed and synthesized into a complete pulse sine wave or a correction wave on an oscilloscope, the three single-phase magnetic potentials are added to obtain the synthetic magnetic potential of the three-phase winding, a composite travelling wave magnetic field is generated at an air gap by electrifying, the composite travelling wave magnetic field is similar to a composite rotating magnetic field generated by three-phase alternating current, the potential angles of the three phase lines are 120 degrees or 60 degrees, the frequency is 20-1000Hz subsection, the wrong connection is burnt out! When the joints are exchanged, the positive and negative joints A ten and A-of the phase sequence are simultaneously exchanged with the other phase sequence B ten and B-, or exchanged with C ten and C-, so that the movement direction can be changed; the stator permanent magnet is arranged on the side surface in the silicon steel groove, an aluminum plate is adopted for magnetic isolation to prevent leakage of a permanent magnetic field, a high-heat-conductivity graphite film material is adopted for packing and radiating, the current actually flowing in the double-layer coil in the wire groove is in an alternating current electromagnetic field state during the amplitude period, and the same impedance value is generated in each related wire groove coil section; in order to save electric energy, the strength of the electromagnetic field generated by the electrified coil is close to or less than the value of the strength of the magnetic field when the permanent magnet on the surface of the stator sealing groove is powered off; the composite material is formed by the stator silicon steel sheet material and the permanent magnet material in the stator coil electrified state, the magnetic field saturation magnetic flux value of the composite material can change, and test data analysis shows that the magnetic flux value of the magnetic field saturation is improved to a certain extent, so that the electric energy conversion into magnetic energy has a rising space in the aspect of increasing the intensity of the superposed composite magnetic field, the efficiency of converting the electric energy into the magnetic energy is improved, and the phenomenon of temperature rise is not obvious when the composite magnetic field is enhanced but the magnetic field saturation of the magnetic core is not reached; if the common material and the normal temperature condition are adopted, the compound magnetic field intensity can be enhanced by increasing the electric energy input, the compound magnetic field intensity enhanced in the air gap not only generates the increase of the horizontal thrust, but also generates the increase of the vertical thrust, although the generated vertical thrust can not reach the magnetic suspension state, the situation that the pressure load amount of the supporting wheel pressed on the track is reduced, namely the running friction resistance is reduced, the running speed can be improved, which is equivalent to the energy-saving effect, the circular motor can not reach the characteristic, the phenomenon can be called sub-magnetic suspension, the circular motor has the advantages that the partial effect of the air gap position can be generated without adopting expensive superconducting materials and special magnetic suspension devices, the investment is greatly reduced, the running and maintenance costs are reduced, and under the situation that the existing equipment state is not basically changed, the energy-saving speed-increasing device can achieve the purpose of saving energy and increasing speed, has the characteristics of large zero starting torque and high acceleration, and has practical innovative significance for the fields of airports, trains, rail transit and the like; the effective magnetic length L of the stator is formed by a whole-section stator combined module or a plurality of identical independent sectional stator combined modules; and the stator coil units form a complete stator magnetic core, and silicon steel sheets are laminated and the coils are required to be subjected to insulation treatment.
The AC/DC linear permanent magnet motor has power source input by the controller, several serial products in the controller, three-phase power source, accumulator DC power source, solar cell and other power sources, the power source for the controller is divided into three-phase power source for power plant, rectified three-phase AC power source, rectified DC power source, three-phase fully controlled rectifier circuit to produce three-phase sine pulse half-wave, according to different requirements of required power supply voltage, current and power, electronic components and circuits in the three-phase full-control rectification basic circuit are correspondingly adjusted, the inversion CPU chip generates sine wave signals, and the sine wave signals are rectified and output through power amplification, for example: the three-phase fully-controlled diode thyristor rectifier circuit is mainly used for a small-power motor, the three-phase fully-controlled MOS tube rectifier circuit is mainly used for a medium-power motor, the three-phase fully-controlled IGBT tube rectifier circuit is mainly used for a medium-power motor, and the three-phase fully-controlled IGBT tube rectifier circuit is mainly used for a large-power motor, extra power is born by a more complex integrated rectifier circuit, the single-phase linear motor can run in a 90-degree differential angle mode by adding capacitors to main and auxiliary coils when the power is small, and thus, 5 outgoing lines are formed in; in order to improve the power supply quality, a controller also needs to form a control center integrator through control logic, linear coding, frequency conversion and frequency modulation, pulse width regulation, voltage and current stabilization, a thermistor, intelligent control circuit regulation, 5G technology, a super capacitor charge-discharge circuit change-over switch and the like in the rectifying process, a super capacitor with proper capacity is configured to instantaneously improve the electromagnetic field strength of a stator direct current coil and directly influence the instantaneous output power of a rotor, a plurality of connected intelligent control circuit regulation sockets are reserved on the controller, half sine waves or correction wave pulse currents respectively having an upper half waveform and a lower half waveform are separately supplied to two large combined paired coils in a stator coil, one generated N-pole electromagnetic field and an N-pole permanent magnet field installed in a groove form a new N-pole composite magnetic field on the surfaces of two single-phase adjacent electrified coil units, and the other generated S-pole electromagnetic field and an S-pole permanent magnet field installed in the groove form a new S-pole composite magnetic field A composite magnetic field; the controller is internally provided with alternating current and direct current components simultaneously, so that an intelligent chip is easy to access, digital sensors are easy to arrange in the stator, the rotor and the ground control center, large data network service is easy to realize, and a network established by a driver and the ground control center, a satellite remote sensing technology and a 5G technology operating system can operate immediately, safely and conveniently.
A plurality of outgoing line terminal heads of a stator coil winding of the alternating current-direct current linear permanent magnet motor are connected to a three-phase special plug according to design requirements in advance, the three-phase special plug is inserted to a 7-hole special socket matched with the three-phase special plug during use, the number and the section shape and the size of metal insertion rods of the special plug are completely consistent with those of special socket eyelets, the number of single-phase special socket plugs is 5, a power output line and other function control output lines of a controller are connected to the special socket according to the design requirements in advance, and the GB standard of a safety electric appliance is met.
The invention has the beneficial effects that: the invention provides an alternating current-direct current linear permanent magnet motor which is green, safe, novel in structure and reliable in operation, wherein a controller is required to output a plurality of groups of pulse sine half-wave direct currents to supply to a stator primary coil, the characteristic forms of three-phase alternating currents are formed in the plurality of groups of stator primary coils in an integrated and orderly manner, a composite traveling wave magnetic field is formed at an air gap, and a rotor is forced to move to output power; an AC-DC linear permanent-magnet motor is characterized by that it adopts pulse sine half-wave positive-negative DC input, and converts it into three-phase AC electromagnetic field form in the coil combination, the advantages and the characteristics of the traveling wave magnetic field formed in the air gaps of the three-phase coils paired with the stator, and the phenomenon that the metal squirrel cage closed frame on the corresponding rotor is stressed to move by cutting magnetic lines in the alternating magnetic field, the surface of the composite magnetic head of the stator silicon steel lamination piece surrounded by the stator coil is provided with a groove, a plurality of stator permanent magnets are arranged in the groove, the stator permanent magnets arranged in the groove and the magnetic core with a fence-shaped mesh structure form a stator composite magnetic core, the design and manufacture of the stator composite magnetic core conform to the GB motor specification, meanwhile, the characteristics and the characteristics of the magnetic field of the permanent magnet are added, and the strong permanent magnet is introduced to participate in the rotor and stator structures on the basis of the characteristics and the characteristics to form a new rotor combined structure and a new stator combined structure; the AC/DC linear permanent magnet motor is a green, environment-friendly and renewable new energy source, is close to zero emission, zero pollution, energy saving, safe, low in use cost, low in failure rate, convenient to maintain, low in noise, stable in operation, large in zero starting torque, fast in acceleration, capable of increasing the composite magnetic field intensity instantaneously to increase the output power, capable of working stably in an air-free environment for a long time, widely applied to various power equipment, and capable of cooling a high-power machine body by adopting air cooling or water cooling or nano material technology, the power source is used as a power source in special environmental conditions, a mobile robot power source, a mobile equipment power source, a power source of train subway rail traffic, an electromagnetic ejection power source and various exclusive equipment power sources for civil and military innovation, and has high social and economic values; such as: if the AC/DC linear permanent magnet motor is widely applied to the popular upgrading application and transformation of electromagnetic ejection airplanes in airports, the fuel quantity and the serious pollution caused by combustion in the stage of takeoff, sliding and running away from the ground of the airplanes can be greatly reduced, the range of the airplane can be correspondingly prolonged or the self weight of the airplane can be properly lightened, the length of a takeoff runway in the airport can be properly shortened, the AC/DC linear permanent magnet motor is beneficial to energy conservation, safety and environmental protection, and the pursuit of people for good life can be realized.
Drawings
Fig. 1 is a schematic partial cross-sectional view of an ac/dc linear permanent magnet motor according to the present invention, and is also an abstract drawing.
Fig. 2 is a schematic cross-sectional view of a-a of an ac/dc linear permanent magnet motor according to the present invention.
Fig. 3 is a schematic B-B cross-sectional view of an ac/dc linear permanent magnet motor according to the present invention.
Fig. 4 is a schematic cross-sectional view of a stator silicon steel sheet sealing groove of an ac/dc linear permanent magnet motor according to the present invention.
Fig. 5 is a schematic cross-sectional view of an open groove of a stator silicon steel sheet of the ac/dc linear permanent magnet motor according to the present invention.
Fig. 6 is a schematic diagram of a rotor silicon steel sheet of an ac/dc linear permanent magnet motor according to the present invention.
Fig. 7 is a schematic waveform diagram of an output power supply of a controller externally connected with an ac/dc linear permanent magnet motor according to the present invention.
Fig. 8 is a schematic connection diagram of an ac/dc linear permanent magnet motor system according to the present invention.
In the figure: 1. an alternating current-direct current linear permanent magnet motor, 2, a stator, 3, a rotor, 4, a stator magnetic core, 5, an air gap, 6, a stator permanent magnet, 7, a stator base body, 8, a rotor base body, 9, a complete wire slot, 10, a stator groove, 11, a coil, 12, a squirrel cage guide bar, 13, a rotor permanent magnet, 14, a half wire slot, 15, a rotor groove, 16, a fence-shaped surface of the stator magnetic core, 17, a supporting wheel, 18, a track, 19, a stator sealing groove, 20, a stator opening groove, 21, a black thick line A + single-phase forward sine pulse half-wave schematic, 22, a black thick line A-single-phase reverse sine pulse half-wave schematic, 23, a three-phase rectification sine or correction wave pulse positive half-wave, 24, a three-phase rectification sine or correction wave pulse negative half wave, 25, a riveting hole, 26, an AC three-phase power supply, 27, a DC/AC single-phase, 29. the intelligent control system comprises a storage battery pack, 30, a controller, 31, a DC/AC three-phase inverter, 32, a control center integrator, 33, a change-over switch, 34, an intelligent control circuit adjusting socket, 35, a switch, 36 and a rotor magnetic core.
Detailed Description
In the embodiment of the present invention, referring to fig. 1, fig. 2, fig. 3, fig. 4, fig. 5, fig. 6, fig. 7 and fig. 8, the ac/dc linear permanent magnet motor 1 includes three parts, namely a stator 2, a mover 3, a rail 18 supporting wheel 17, a mover base 8 and an external controller 30, a power supply, a plurality of stator magnetic core 4 assembly modules are installed in the middle of two rails 18 on the surface of the stator base 7, air gaps 5 are always maintained between the surfaces of the stator magnetic core 4 assembly modules and the surfaces of the mover permanent magnets 13 installed on the mover base 8, the stator base 7 is made of steel or reinforced concrete or a material of a special composite material, the rails 18 are installed on both sides of the surface of the stator base 7, the stator magnetic core 4 assembly modules can be installed on the surface of the stator base 7 individually or a plurality of stator magnetic core 4 assembly modules are, the outgoing line has at least 7 connecting lines with different performances; the rotor base body 8 is provided with a supporting wheel 17 or a sliding block assembly which is always in dynamic matching relation with the track 18, and the dynamic matching relation of the supporting wheel 17 or the sliding block assembly is mechanical matching or sub-magnetic suspension matching; the coupling transformer and the squirrel cage guide bars 12 are arranged in the rotor base body 8 to form an induction power supply, voltage and current generated by induction in the running state are provided for equipment in the rotor base body 8 to be used, the standby storage battery pack 29 forms a power supply in the rotor base body 8, if the power supply is used for a train or subway power source, power supply line equipment is arranged underground and is not used for a road surface vertical rod overhead line, and the safety of the train or subway can be improved; the rotor 3 is made of magnetic materials or non-magnetic materials according to the requirements of various environments, the unit magnetic distance size and the input frequency size determine the motion speed of the rotor, and the composite traveling wave magnetic field strength determines the output power of the rotor; the stator magnetic core 4 is provided with a plurality of wire slots, the same grooves are arranged in the magnetic cores, the same winding coils 11 are embedded in the wire slots, the middle of each two adjacent same coil groove magnetic cores of each single phase is only separated by the distance of a wire slot wire inlet, the magnetic polarities of the surfaces of the stator permanent magnets 6 arranged in the adjacent stator grooves 10 are different, one of the two adjacent coils 11 of each single phase is connected with positive pulse direct current, the other is connected with reverse pulse direct current, thus the two independent direct current coils 11 are connected with each other, the other is in a power-off state and alternately operates, the polarities of electromagnetic fields generated in the two coils 11 are opposite, the polarities of the stator permanent magnets 6 arranged in the two coils 11 and the polarities of the electromagnetic fields of the direct current coils 11 must be the same, the external dimension and the magnetic parameters of each stator permanent magnet 6 are basically the same, and thus the new composite magnetic field generated by the same polarities of the electromagnetic field and the permanent magnet field, compared with the original single magnetic field, the composite magnetic field is enhanced, and meanwhile, the electromagnetic field also has the magnetizing protection function on the stator permanent magnet 6, so that the permanent magnet cannot be demagnetized; when the electrified coil 11 is powered off, a back electromotive force and a back electromagnetic field can be generated, the intensity of the back electromagnetic field is far smaller than that of the electromagnetic field when the electrified coil is powered on, but is opposite to the polarity of the permanent magnet in the magnetic core groove, the generated composite magnetic field is subjected to negative superposition subtraction, the magnetic resistance of the rotor permanent magnet 13 on the rotor magnetic core 36 can be reduced, and the operation of the rotor is facilitated; the shapes of three wire slots of every single-phase adjacent two same coils 11 on the stator magnetic core 4 are different, the complete wire slot 9 is positioned between the two grooves, the wire inlet diameter of the complete wire slot 9 is longer, the position of the magnetic core is given to the grooves at the two sides, the positions of the magnetic cores of the two direct current coils 11 are close to each other as much as possible, the pulse width of the two electromagnetic fields is reduced during instant switching, the wire slots at the other two sides are half wire slots 14, because the two coils 11 are embedded in the complete wire slot 9 at the middle and are double-layer windings, the half wire slots 14 at the other two sides are embedded with a single side of one coil 11 and are single-layer windings, a stator coil unit is formed by combining a plurality of groups of two same coils 11 and magnetic cores which are respectively introduced with forward or reverse current, the same phase coils 11 are formed by 2N same coil 11 units, and an A ten phase sequence coil 11 is formed by each three groups of same phase, B ten, C ten and A-, B-, C-and O lines, the stator three-phase coil 11 with the positive and negative relative combination and a plurality of integral multiples of the same coil 11 form a complete stator primary coil 11 of the motor; the grooves processed by the silicon steel sheets of the stator 2 respectively have two shapes, one is a stator opening groove 20, the other is a stator sealing groove 19, the two different grooves are alternately laminated to present a fence-shaped surface 16 of the stator magnetic core, so that the stator permanent magnet 6 arranged in the groove has obvious gaps which are alternately exposed, the exposed area is larger than the single-pole area of one half of the stator permanent magnet 6, and after the stator permanent magnet 6 is arranged in the groove, different magnetic field strengths are generated at the air gap 5 of the stator 2; the parameters of each group of coils 11 are completely the same, the Y-shaped connection method is adopted, outgoing lines are in a three-phase one-zero mode, 7 outgoing lines are formed by 6 direct currents of one zero line, or 5 outgoing lines are formed by single phases, the current waveforms and pulse intervals of the coils 11 all have a pi period, the power supply input in each single phase sequence is characterized in that the amplitude of pulse magnetomotive force is positioned at the axis of a phase winding and is fixed in position, the positive and negative half waveforms are observed and synthesized into a complete pulse sine wave or a correction wave on an oscilloscope, the three single-phase magnetomotive forces are added to obtain the synthesized magnetomotive force of the three-phase winding, a composite traveling wave magnetic field is generated at an air gap 5 by electrifying, the composite traveling wave magnetic field is similar to a composite rotating magnetic field generated by three-phase alternating current, the angle difference of the three phase lines is 120 degrees or 60 degrees, the frequency is 20-1000Hz subsection, the wrong connection is burnt out! When the joints are exchanged, the positive and negative joints A ten and A-of the phase sequence are simultaneously exchanged with the other phase sequence B ten and B-, or exchanged with C ten and C-, so that the movement direction can be changed; the stator permanent magnet 6 is arranged on the side surface in the silicon steel groove, an aluminum plate is adopted for magnetic isolation to prevent leakage of a permanent magnetic field, a high-heat-conductivity graphite film material is adopted for packing and radiating, the current actually flowing in the double-layer coil in the wire groove is in an alternating current electromagnetic field state during the amplitude period, and the same impedance value is generated at each relevant wire groove coil 11 section; if the common material and the normal temperature condition are adopted, the composite magnetic field intensity can be enhanced by increasing the electric energy input, the composite magnetic field intensity enhanced in the air gap 5 not only generates the increase of the horizontal thrust, but also generates the increase of the vertical thrust, although the generated vertical thrust can not reach the magnetic suspension state, the load capacity of the supporting wheel 17 pressed on the track 18 is reduced, namely the running friction resistance is reduced, the running speed can be improved, which is equivalent to the energy-saving effect, the circular motor can not reach the characteristic, the phenomenon can be called sub-magnetic suspension, the circular motor has the advantages that the partial effect of the magnetic suspension can be generated without adopting expensive superconducting materials and special devices, the investment is greatly reduced, the running and maintenance costs are reduced, and the purposes of saving energy and improving the speed can be achieved under the condition that the existing equipment state is basically not changed, the device has the characteristics of large zero starting torque and high acceleration; the effective magnetic length L of the stator 2 is formed by a whole-section stator magnetic core 4 combined module or a plurality of same independent sectional stator magnetic core 4 combined modules; a plurality of stator coil 11 units form a complete stator magnetic core 4, and silicon steel sheets are laminated and coils need to be subjected to insulation treatment; the power supply supplied is input by the controller 30, the shutdown operation is controlled by the switch 35, the controller 30 has a plurality of series products according to the power supply and the configuration condition, the main basic circuit of the rectification in the controller 30 is a three-phase fully-controlled rectification circuit, generates a three-phase sine pulse half wave, the electronic components and circuits in the three-phase fully-controlled rectification basic circuit are correspondingly adjusted according to different requirements of required power supply voltage, current and power, wherein, an inversion CPU chip generates a sine wave signal, and the sine wave signal is output by rectification and power amplification, the single-phase linear motor has smaller power and can be operated in a 90-degree differential angle mode by the main and auxiliary coil plus capacitors, so that the single phase is 5 outgoing lines; in order to improve the power supply quality, the controller 30 also needs to form a control center integrator 32 through control logic, linear coding, frequency conversion and frequency modulation, pulse width regulation, voltage and current stabilization, a thermistor, intelligent control circuit regulation, a charge-discharge circuit change-over switch of a super capacitor and the like in the rectification process, a super capacitor with proper capacity is configured to instantaneously improve the electromagnetic field intensity of a stator direct current coil 11 and directly influence the instantaneous output power of a rotor base body 8, a plurality of connected intelligent control circuit regulation sockets 34 are reserved on the controller 30, current respectively provided with a three-phase rectification sine and correction wave pulse positive waveform 23 and current respectively provided with a three-phase rectification sine and correction wave pulse negative waveform 24 are separately supplied to two large coils 11 combined into a pair in the coils 11, and a new N-pole composite magnetic field is formed by generating an N-pole electromagnetic field and an N-pole stator permanent magnet 6 magnetic field installed in a groove on the surfaces of two adjacent electrified coils 11 in each phase, the other one generates an S-pole electromagnetic field and forms a new S-pole composite magnetic field with the magnetic field of the S-pole stator permanent magnet 6 arranged in the groove; the controller 30 has alternating current and direct current components at the same time, so that intelligent chips are easy to access, digital sensors are easy to arrange and use in the stator 2, the rotor 3 and the ground control center, large data network service is easy to realize, and a network established by a driver and the ground control center and a satellite remote sensing technology 5G technical operation system can run instantly, safely and conveniently.
A unit pitch of a mover matrix 8 of an AC/DC linear permanent magnet motor 1 refers to the space size from one mover permanent magnet 13 to another adjacent mover permanent magnet 13 on a mover magnetic core 36, the magnetic polarities of the two adjacent mover permanent magnets 13 are opposite, the unit pitch and the frequency determine the speed of a mover 3, the power supply strength and the number of turns of a coil 11 determine the composite magnetic field strength and the output power, if the unit pitch of the mover permanent magnets 13 is designed to be 30cm, the input power supply 50HZ frequency is input, the speed per hour can reach 54km, the mover matrix 8 only needs ten seconds from zero starting to the designed speed per hour, if the frequency is adjusted to be 500HZ, the speed per hour can reach 540km, if the mover matrix 8 structure is a carrier aircraft mover matrix of an airport electromagnetic catapult, the carrier aircraft can sufficiently enable a common aircraft and a heavy-load large aircraft to reach the speed of flying off the ground, and, the rotor substrate returns to the starting position and circulates in a reciprocating way, if the rotor substrate is widely used in the upgrading and reconstruction of the popular equipment of the electromagnetic catapult plane of the airport, the fuel quantity and the serious pollution generated by combustion in the off-ground stage of the plane during take-off and sliding can be greatly reduced, the range of the plane can be correspondingly prolonged or the self weight of the plane can be properly lightened, the length of the take-off runway of the airport can be properly shortened, and the rotor substrate is beneficial to energy conservation, safety and environmental protection; if the device is used for high-speed rails, the device can reach high speed of 500km safely, easily and simply; if the super-capacitor is used for subways, the frequency is only 150Hz, the speed per hour can reach more than 150km, no electric pole is required to be erected on the ground for pulling, power supply lines are all connected to coils 11 of a stator base body 7 underground, a coupling transformer and a storage battery pack are mounted in a train carriage of a rotor base body 8, an induction power supply is generated during operation, power requirements such as lighting air conditioners in the carriage for boiling water dining car signals and the like are met, although resistance needs to be calculated, the super-capacitor has the function of instantly increasing the magnetic strength and can generate the characteristic of a sub-magnetic suspension state, the resistance can be effectively reduced, the speed is improved, and the super-capacitor has the advantages of low investment, high efficiency.
The above description is only a preferred embodiment of the present invention, and the scope of the present invention should not be limited by the above description, and all equivalent variations and modifications should be included in the scope of the present invention.
Claims (4)
1. An alternating current-direct current linear permanent magnet motor is characterized in that: the permanent magnet synchronous motor comprises a stator, a rotor, a track supporting wheel base body and an external controller power supply, wherein a plurality of stator assembling modules are arranged in the middle of two tracks on the surface of the stator base body, air gaps are always kept between the surfaces of the stator assembling modules and the surfaces of a plurality of permanent magnets arranged on the rotor base body, the stator base body is made of steel or reinforced concrete or a material made of a special composite material, the tracks are arranged on two sides of the surface of the stator base body, the stator assembling modules are independently arranged or are arranged on the surface of the stator base body in an orderly mode, and 7 outgoing lines of primary coils of the stator; the rotor base body is provided with a supporting wheel or a sliding block assembly which is always in dynamic fit with the track, and the dynamic fit of the supporting wheel or the sliding block assembly is mechanical fit and sub-magnetic suspension fit of an air gap part; a coupling transformer is arranged in the rotor base body, the coupling transformer and a squirrel cage metal conducting bar closed circuit form an induction power supply, voltage and current generated by induction in the running state are supplied to equipment in the rotor base body for use, and the voltage and current and a storage battery pack charging and discharging system form a power supply in the rotor base body.
2. The stator of a ac-dc linear permanent magnet machine according to claim 1, wherein: comprises a plurality of wire slots and a plurality of coil windings on a silicon steel lamination sheet magnetic core of a stator, the same grooves are arranged in the magnetic core, stator permanent magnets are arranged in the grooves, the magnetic polarities of the surfaces of the permanent magnets arranged in adjacent grooves are different, two types of silicon wafers with seals and openings are mutually laminated in the grooves of the silicon steel sheet to form a stator magnetic core with a fence shape, the permanent magnets arranged in the grooves have obvious gaps and are alternately exposed, the exposed area is larger than half of the area of a single pole of the permanent magnet, the same winding coils are embedded in the wire slots, one of two coils adjacent to each single phase is connected with forward pulse direct current, and the other is connected with reverse pulse direct current, under the control of electric frequency, one of the two independent direct current coils is electrified, the other direct current coil is in a power-off state and alternately operates, the polarities of electromagnetic fields generated in the two coils are opposite, and the polarities of permanent magnets installed in the two coils are the same as the polarities of the electromagnetic fields of the direct current coils; the two adjacent coils which are respectively introduced with forward and reverse currents are provided with three wire slots, a complete wire slot is positioned between the two grooves, the wire inlet caliber of the complete wire slot is longer, the positions of two magnetic cores are close to each other as much as possible, the pulse width of the electromagnetic fields of the two magnetic cores is reduced when the electromagnetic fields of the two magnetic cores are switched instantly, the wire slots on the other two sides are half wire slots, the complete wire slot in the middle is provided with double-layer windings, the half wire slots on the other two sides are single-layer windings, a plurality of groups of two same coils which are respectively introduced with the forward or reverse currents and the magnetic cores are combined to form a stator coil unit, 3 same stator coil units form phase sequence coils, each three groups of phase sequence coils form a connection terminal combination of A ten, B ten, C ten and A-, B-, C-and O wires, and a plurality of same coil units of integral multiples of the corresponding forward and reverse combinations form, when the power is switched on, a composite traveling wave magnetic field similar to a composite rotating magnetic field generated by three-phase alternating current is generated at an air gap; the effective magnetic length L of the stator is formed by combining a whole stator assembly module or a plurality of same independent sectional stator assembly modules; the stator primary coil units form a complete stator magnetic core, and the number of slots of the stator silicon steel sheets is N integral multiples of 6.
3. The mover of the ac-dc linear permanent magnet motor according to claim 1, wherein: the rotor silicon steel laminated sheet of the rotor is provided with a squirrel cage closed structure formed by copper materials or aluminum materials, grooves are formed in the rotor silicon steel laminated sheet at intervals of the squirrel cage bars, the surface shapes of the grooves are provided with two corner protectors, sunken permanent magnets are installed in the grooves, and the width of each groove is 1-1.2 times larger than the outer wrapping size of two adjacent magnetic cores on the stator.
4. The controller of ac/dc linear permanent magnet motor according to claim 1, wherein: the intelligent control system comprises an external controller, a control center integrator and a control center, wherein the external controller is mainly composed of inversion and three-phase full-wave rectification, a sine wave signal is generated by an inversion CPU chip, is output through rectification and power amplification, and is composed of a control center integrator through control logic, linear coding, frequency conversion and frequency modulation, electric heating regulation, intelligent control circuit regulation and a super capacitor charge-discharge circuit change-over switch, and a plurality of intelligent control circuit regulation sockets are connected to the controller; the power supply for the controller is a three-phase power supply of a power plant or a direct current power supply of a storage battery pack or a power supply of a solar battery, the input is a direct current power supply which needs to output sine waves or correction wave alternating current through an inverter to be supplied to the controller, or the input is an alternating current power supply which is directly supplied to the controller, and the controller outputs a power supply through sine waves or correction wave pulse direct current which have the same upper half waveform and lower half waveform respectively after rectification and frequency conversion and frequency modulation.
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CN111515110A (en) * | 2020-04-25 | 2020-08-11 | 天津新星科能源技术有限公司 | Electromagnetic ultrasonic transducer with subzone superposition structure and working mode thereof |
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Publication number | Priority date | Publication date | Assignee | Title |
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CN111515110A (en) * | 2020-04-25 | 2020-08-11 | 天津新星科能源技术有限公司 | Electromagnetic ultrasonic transducer with subzone superposition structure and working mode thereof |
CN111515110B (en) * | 2020-04-25 | 2023-06-09 | 天津新星科能源技术有限公司 | Electromagnetic ultrasonic transducer with sub-domain superposition structure |
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