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57results about How to "High electromagnetic conversion efficiency" patented technology
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MEMS mirror device and optical disk apparatus
ActiveUS20050002085A1Magnetic field intensityHigh electromagnetic conversion efficiencyRecord information storageOptical beam guiding meansEngineeringMechanical engineering
Owner:FUNAI ELECTRIC CO LTD
Coil device
InactiveUS20100295652A1Avoid overall overheatingHigh electromagnetic conversion efficiencyTransformersTransformers/inductances coils/windings/connectionsHigher PowerEngineering
PROBLEM TO BE SOLVED A problem is to provide a sheet-like or thin plate-like coil device that can guarantee a high power transmission efficiency, that has quite little magnetic spurious radiation, that does not cause overheat even in the case of long charge, and that can be manufactured at low cost.MEANS FOR SOLVING THE PROBLEMS The present coil device is characterized in that two spiral patterns composing a basic pattern are each formed into regular triangle, and are arranged in back to back manner sharing each of base side lines of those two triangles so that the basic pattern is formed into a rhombic S-shape as a whole.
Owner:MORI RYUTARO
Thin-film magnetic head and method of manufacturing same
InactiveUS6922316B2High strengthShorten the length of the magnetic circuitNanomagnetismElectrical transducersMagnetic polesMagnetic flux
A thin-film magnetic head comprises: a first magnetic layer and a second magnetic layer each of which includes a magnetic pole portion, the first and second magnetic layers being magnetically coupled to each other at a distance from the medium facing surface ABS; a gap layer provided between the first and second magnetic layers; and a thin-film coil at least a part of which is disposed between the first and second magnetic layers. The second magnetic layer has a pole portion layer and a yoke portion layer. The pole portion layer has a saturated magnetic flux density equal to or greater than that of the yoke portion layer. The yoke portion layer includes: a first layer and a second layer, of which the first layer is in contact with the first magnetic layer and a surface of the pole portion layer that is closer to the gap layer; and the second layer is in contact with the first layer, the rear end surface of the pole portion layer and both side surfaces of the pole portion layer in the width direction.
Owner:TDK CORPARATION
Coil device
InactiveUS7999650B2High electromagnetic conversion efficiencyImprove featuresTransformersTransformers/inductances coils/windings/connectionsEngineeringBase line
A problem is to provide a sheet-like or thin plate-like coil device that can guarantee a high power transmission efficiency, that has quite little magnetic spurious radiation, that does not cause overheat even in the case of long charge, and that can be manufactured at low cost.The present coil device is characterized in that two spiral patterns composing a basic pattern are each formed into regular triangle, and are arranged in back to back manner sharing each of base side lines of those two triangles so that the basic pattern is formed into a rhombic S-shape as a whole.
Owner:MORI RYUTARO
Five-degree-of-freedom co-excited bearing-less switched reluctance motor system and control method
ActiveCN107529681AStrong expandabilityHigh electromagnetic conversion efficiencyAC motor controlMagnetic circuit rotating partsUltra high speedMagnetic bearing
The invention discloses a five-degree-of-freedom co-excited bearing-less switched reluctance motor system and a control method. The system is composed of a switch reluctance motor, a hybrid magnetic bearing and a radial magnetic bearing, wherein bias windings of the two bearings and an m-phase armature winding of the switch reluctance motor share the same set of power converter; with the adoptionof a co-excited manner, biased magnetic flux is generated in the two bearings when torque is generated in the switch reluctance motor; the m-phase armature winding adopts the traditional switch reluctance drive mode; and the current of the bias winding is only related to working conditions of the switch reluctance motor, and no control is performed. In addition, current of five suspending windingsis reasonably controlled by combining with the current of the bias winding collected in real time, so that five-degree-of-freedom suspension operation can be realized. According to the system disclosed by the invention, suspension force is decoupled, the suspension force and the torque are also decoupled, the control variable is less, the suspension control is simple, the integration level is high, the reliability is high, no permanent magnet exists in the system, the environmental suitability is high, and the system has unique advantages in high-speed or ultra-high-speed application occasions.
Owner:南京埃克锐特机电科技有限公司
Electromagnetic induction energy-storage system
InactiveCN101276947AHigh electromagnetic conversion efficiencyAvoid mutual interferenceBatteries circuit arrangementsTransformersCouplingElectric devices
The invention relates to an electromagnetic induction energy storage system, comprising an isotropy electromagnetic induction energy storage device and a high frequency alternating magnetic field producing circuit; the isotropy electromagnetic induction energy storage device is integrated with an electrical storage device and is connected with electrical appliance; the high frequency alternating magnetic field producing circuit is driven by power supply to produce a high frequency alternating magnetic field; when the isotropy electromagnetic induction energy storage device is close, producing current under the effect of electromagnetic induction; the isotropy electromagnetic induction energy storage device is further composed of a magnet, a high frequency coil, a filter rectification circuit, and an electrical storage device; the magnets are two, three, each of which are vertical to each other; the high frequency coil is divided into two or three groups to twist the magnet. The invention is provided with magnetic field acceptable isotropy design, which makes the magnetic field accept directional dead angle minimum, so as to improve coupling factor and electromagnetic conversion efficiency. The invention is appropriate for various electric devices, specifically the one as human body medical appliance hard to accomplish conventional contact charging.
Owner:法玛智财科技顾问股份有限公司
Built-in magnetic energy generator magnetic light
ActiveCN101079370AThe resonant operating frequency is reducedReduce the temperatureElectric lighting sourcesGas discharge lamp usageElectromagnetic couplingTransformer
The invention discloses a light lamp in particular to an internally-arranged magnetic energy generator form magnetic energy lamp that the internally-arranged magnetic energy generator produces the electromagnetic induction and activates fluorescent powder to light. The invention includes the lamp body, the lamp body isn' t equipped with less than a penetrating hole or an internally-arranged hole, the penetrating hole or the internally-arranged hole isn' t equipped with less than the magnetic energy generator, the magnetic energy generator and the coupled driving impulse transformer of the magnetic energy lamp or the semi-bridge, the contravariant formed by the general bridge driving IC, the alternating circuit proceed with electromagnetic coupling or electromagnetic induction; two edges of the penetrating hole and two edges of the lamp body outer casing are sealed and form the vacuum cavity of the lamp body, the vacuum cavity of the lamp body charges the inactive gas and phosphor powder painted by the rare earth. The invention provides the simple structure, the various shapes, which reduces resonance frequency of the no electrode lamp from 2.6MHZ-2.8MHZ and the temperature of the circuit, the magnetic body and the lamp body, improves the electromechanical conversion efficiency from 25%-36%, increases two times-four times electromechanical induction density, and expands the application range of the magnetic energy lamp.
Owner:李进
Short magnetic circuit reluctance motor, and double stator magnetic poles, rotor core and wound rotor
InactiveCN101741151AIncrease effective powerHigh electromagnetic conversion efficiencyMagnetic circuit rotating partsMagnetic circuit stationary partsIsoetes triquetraMagnetic poles
The invention discloses a short magnetic circuit reluctance motor, and double stator magnetic poles, a rotor core and a wound rotor. The three-phase 9 / 3 pole short magnetic circuit reluctance motor divides nine groups of double stator magnetic poles distributed on the circumference of a stator (1) at equal intervals into three sections in axial direction, wherein the length of the middle section is equal to that of a main magnetic pole and the middle section is manufactured by overlapping silicon-steel sheets; other main and auxiliary magnetic poles are manufactured into appropriate shapes by soft iron so that the three sections of main and auxiliary magnetic poles can be formed into the double stator magnetic pole with an annular groove for placing exciting windings after being combined together; then, the nine exciting windings (L1, L2, L3, L4, L5, L6, L7, L8 and L) are respectively arranged in each annular groove to obtain three-phase exciting windings (L1, L4, L7 and L2, L5, L8 and L3, L6, L9) on the circumference of the stator (1) in turn according to the rule of equilateral triangles; and then, a three-salient pole rotor core (3) consisting of a multi-cambered surface lug boss is arranged on a hollow rotor shaft lever (4) with internal thread and forms rotating connection with a stator part through a periphery connecting and fixing device of a motor.
Owner:张玉宝
Multifunctional electromagnetic pulse experiment instrument
InactiveCN101359433AImprove the experimental effectReduce power consumptionEducational modelsHigh-voltage direct currentElectromagnetic pulse
The invention provides a multifunctional electromagnetic pulse experiment instrument which comprises a wide-range adjustable DC power supply composed of two regulated power supplies; the experiment instrument also comprises a multi-frequency direct-reading and ultra-low frequency adjustable pulse frequency controller, a high voltage generator demodulated by the pulse frequency controller, a high voltage ammeter, a movable experimental component and a pulse switch signal output socket; an experiment platform with a high-voltage discharge prevention shell is constructed on the top part of the experiment instrument; the movable experiment component and an adjustable electromagnet are mounted on the platform. The multifunctional electromagnetic pulse experiment instrument not only can output the stable high-voltage direct current, but also can output the pulse high-voltage electricity with adjustable frequency and pulse width, and output the pulse magnetic field or provide independent pulse switch signals for various electromagnets. The multifunctional electromagnetic pulse experiment instrument can be adopted for conducting a plurality of high-voltage static experiments and the experiments in biological, physical and medical fields efficiently and conveniently. The invention provides an electromagnetic pulse experiment instrument which has the advantages of complete functions, convenient application, low cost and practicality for the college teaching and research.
Owner:DEZHOU UNIV
Passive piezoelectric geophone movement, and passive piezoelectric detector based on the same
ActiveCN105607116AHigh sensitivityImprove signal-to-noise ratioSeismic signal receiversGeophoneSignal-to-noise ratio (imaging)
The invention discloses a passive piezoelectric geophone movement, and a passive piezoelectric detector based on the same. The passive piezoelectric geophone movement includes a ceramic mounting ring, wherein a ceramic chip each is arranged on the upper and lower surfaces of the ceramic mounting ring respectively; each ceramic chip is double-sided positive and negative bonded ceramic on a substrate; a medium hole is formed in the substrate; a mass body is fixed on the upper ceramic chip through a screw; the lower ceramic chip is fastened on a pedestal through a screw; each screw is provided with an insulating bush which is used for preventing occurrence of short circuit between the screw and the substrate of the ceramic chip; an internal housing is rotationally arranged on the pedestal; a round hole is formed above the internal housing and is used for threading out a positive and negative pole lead; and the positive and negative pole lead of each ceramic chip is threaded out from the round hole above the internal housing. The passive piezoelectric geophone movement, and the passive piezoelectric detector based on the same have the characteristics of being high in sensitivity, being effective in frequency band width and being high in signal to noise ratio.
Owner:XIAN LUZHOU INTELLIGENT SENSING TECH CO LTD
Electromagnetic heating safe energy-saving electric baking pan
InactiveCN102813466AImprove insulation effectPrevent leakageRoasters/grillsFrying pansElectricityThermal insulation
The invention provides an electromagnetic heating safe energy-saving electric baking pan which comprises a shell, an upper heating plate, a handle, a hinge and a lower heating plate, and further comprises thermal insulation plates and coils which are arranged in the upper heating plate and the lower heating plate, a magnetic strip and a control circuit in the shell; the lower heating plate is supported above the shell, the upper heating plate is supported behind the lower heating plate on the shell through the hinge, is concentric with the lower heating plate and is buckled on the lower heating plate through mortises; and the coils are spirally distributed uniformly on a plane, and are respectively installed in the upper groove of the upper heating plate and the lower groove of the lower heating plate to be electrically connected with the control circuit. The electromagnetic heating safe energy-saving electric baking pan has the advantages and beneficial effects that the coils generate eddy current to heat the upper heating plate and the lower heating plate, and the plate surface are quickly heated after being electrified; and the thermal insulation plate is thin, a small gap is reserved between the heating plates and the coils, so the electromagnetic conversion efficiency is high, more electric energy is saved, the electromagnetic heating safe energy-saving electric baking pan is convenient to maintain and long in service life, and because the electric heating is completely isolated, the safety performance is improved.
Owner:HUAINAN UNITED UNIVERSITY
Bistable relay and bistable actuator
ActiveUS9934924B2Good magnetic latching efficiencyHigh electromagnetic conversion efficiencyMagnetic circuit stationary partsMechanical energy handlingStable stateImpact system
A bistable relay and a bistable actuator are provided. The bistable actuator includes a magnetic latching mechanism and an electromagnet. The magnetic latching mechanism includes a rotation shaft, a pillar-shaped permanent magnet, a columnar hollow magnetic conductor and two shells, and operates between a first and second stable states. The columnar hollow magnetic conductor surrounds the pillar-shaped permanent magnet wrapping the rotation shaft, and maintains a gap with the pillar-shaped permanent magnet. The electromagnet is connected to the columnar hollow magnetic conductor for driving the pillar-shaped permanent magnet to rotate, so as to switch the magnetic latching mechanism to the stable state. During a process that the magnetic latching mechanism is switched to the stable state, the rotation shaft rotates synchronously along with the magnetic latching mechanism to drive an impact system to move relative to a contact system, so as to contact or disconnect the contact points.
Owner:LIANG
Brushless electronic water pump
PendingCN106640681ASmooth rotationLow rotational resistancePump componentsMechanical energy handlingImpellerHeat conducting
The invention discloses a brushless electronic water pump. The brushless electronic water pump comprises a shell body, an isolating sleeve and an upper cover which can be detachably fixed. The isolating sleeve divides the shell body and the upper cover into an installing chamber and a fluid chamber. A stator assembly and a PCB are fixed into the installing chamber. A rotor assembly is installed in the fluid chamber in a rotating manner. The upper cover is provided with a water inlet and a water outlet. The rotor assembly comprises an impeller and a connecting drum. A wear-resisting lubricating insert is fixedly inserted into an inner hole of the connecting drum. A center hole is formed in the wear-resisting lubricating insert. A magnet yoke drum is fixedly installed outside the connecting drum concentrically in a sleeving manner. A magnet ring drum is fixedly installed outside the magnet yoke drum concentrically in a sleeving manner. The isolating sleeve is provided with a locating center shaft which is inserted into the center hole. The shell body is provided with a heat dissipating device connected with the PCB in a heat-conducting manner. According to the brushless electronic water pump, a bearing does not need to be arranged on a rotor, no water inlet space is occupied, the reliability of the brushless electronic water pump is improved, and the service life of the brushless electronic water pump is prolonged.
Owner:JIANGSU LANGXIN ELECTRIC
Method and system for measuring dynamic electromagnetic loss of giant magnetostrictive transducer
ActiveCN110441717AWill not affect normal working conditionsSimple designMagnetic measurementsResistance/reactance/impedencePhase differenceSignal on
The invention discloses a method and system for measuring dynamic electromagnetic loss of a giant magnetostrictive transducer. The method includes the following steps that: the driving coil input current measured by a signal measuring unit and an induced voltage signal on a detection coil enter a DSP through the processing of a signal conditioning circuit and AD sampling; the DSP quickly obtains the magnetic field strength peak value and the magnetic induction intensity peak value of a transducer bar during the working process by adopting a continuous comparison window comparison method; the rising edge generated by a zero-crossing capture circuit triggers the DSP interruption to start the timing of a timer to obtain the phase difference between the magnetic field strength and the magneticinduction intensity, so that the amplitude complex permeability of the bar and the electromagnetic loss during the actual working process of the bar can be measured. According to the method for measuring the dynamic electromagnetic loss of the giant magnetostrictive transducer disclosed by the invention, the electromagnetic loss of a broadband giant magnetostrictive transducer during normal working can be simply and quickly measured, and the influence of different driving currents, driving frequencies and prestress on the amplitude permeability and the electromagnetic loss of the transducer can be quickly reflected.
Owner:GUANGDONG ZHICHENG CHAMPION GROUP
Quasi-ideal iron core and electromagnetic conversion device using same
InactiveCN103680839ALow magnetic saturationLow Electromagnetic Conversion EfficiencyTransformers/inductances coils/windings/connectionsTransformers/inductances magnetic coresForce linesSuperconducting Coils
The invention relates to a quasi-ideal iron core, an electromagnetic conversion device using the same, and a method for producing the iron core and relates to the technical field of electromagnetism. Iron cores in prior art are of rectangular or annular frame structures, iron yoke portions coat coils or coils are bared in external space, magnetic leakage and electromagnetic vortex are large, the magnetic saturation value is low, and electromagnetic conversion efficiency is low. The quasi-ideal iron core is an equal magnetic flux section three-dimensional axisymmetric body or rotation body, an iron yoke coats and surrounds a coil without an air gap, a magnetic circuit is in smooth transition, and all magnetic force lines generated by the coil are directly incorporated into magnetic flux of the iron core, so that magnetic leakage and electromagnetic vortex of the iron core are furthest reduced, electromagnetic conversion efficiency and magnetic saturation values are high, high magnetic field intensity can be achieved by matching a superconducting coil with the iron core, and meanwhile, a production process for the equal magnetic flux section air-gap-free quasi-ideal iron core is disclosed; the iron core can be widely applied to occasions where equal electromagnetism generated by general and ultra-strong magnetic fields is converted.
Owner:杜臣
Liquid filling and jetting device for defense bar
ActiveCN105066780APrevent leakageReduce use costLiquid ejecting gunsEngineeringElectromagnetic valve
The invention discloses a liquid filling and jetting device for a defense bar. The device is composed of a liquid storage bin for storing liquid, a liquid and gas inlet pipe with an electromagnetic valve or a single-way valve, a liquid jetting pipe with an electromagnetic valve, a membrane pump and a motor. The rear portion of the liquid storage bin is provided with a wiring board used for being connected with a controller. The liquid filling and jetting device has the beneficial effects that the device can be installed in a common defense bar, repeated filling using is achieved, and the using cost is low.
Owner:SHANDONG HAIRIFENG ELECTRONICS TECH
Control transformer
InactiveCN103474209AHigh electromagnetic conversion efficiencyReduce your own power consumptionTransformers/inductances magnetic coresForce linesTransformer
The invention discloses a control transformer. The control transformer mainly comprises a main magnetic core, a plurality of auxiliary magnetic cores and a pair of magnet yokes, wherein the main magnetic core is a T-shaped magnetic core column which is composed of a top portion and a column body, the auxiliary magnetic cores are attached to the main magnetic core to form a multiple-step stair structure, and the magnet yokes are arranged on the two sides of the main magnetic core respectively, so that an integral magnetic path structure is formed by the magnet yokes, the main magnetic core and the auxiliary magnetic cores. When the control transformer is used, unbonded magnetic force lines on the two end faces of the magnetic core column can be fully used and be fully absorbed, electromagnetic conversion efficiency of the control transformer is improved, power consumption of the control transformer can be reduced, copper consumption is reduced, and the manufacturing cost of the control transformer is reduced.
Owner:NINGBO AUPUL TELECOMM EQUIP +1
Control method and device of electromagnetic coil
ActiveCN109959298AHigh electromagnetic conversion efficiencyLaunch kinetic energy balanceElectromagnetic launchersElectromagnetic coilClassical mechanics
The invention relates a control method and device of an electromagnetic coil, and belongs to the technical field of electromagnetic guns. The control method of the electromagnetic coil comprises the steps that the position of a launching object is detected; and according to the position of the launching object, the electromagnetic coil is conducted to generate electromagnetic force, and the launching object is pushed to accelerate and go forward based on the electromagnetic force. The mode that the electromagnetic coil is conducted to generate electromagnetic force is adopted to achieve accelerating and going forward of the launching object, the launching object is accelerated to the needed launching speed, the electromagnetic conversion efficiency is high, and practicability is good.
Owner:BEIJING LEADER HENGXIN TECH DEVING
High-speed motor rotor based on segmented magnetic steel and variable cross-section shaft
ActiveCN105990919AEasy to assembleHigh positioning accuracyMagnetic circuit rotating partsControl theoryUltimate tensile strength
The invention relates to a high-speed motor rotor based on segmented magnetic steel and a variable cross-section shaft. The rotor includes at least one segment of magnetic steel and the variable cross-section shaft. The variable cross-section shaft is sequentially inserted into each segment of magnetic steel. An aperture of each segment of magnetic steel is the same with a shaft diameter of a corresponding shaft segment of the variable cross-section shaft. A large end of the variable cross-section shaft is used as an output shaft end. Compared to a rotor in the prior art, the high-speed motor rotor has the advantages of high rotor positioning precision, high strength and great rigidity and the like.
Owner:鸣志电器(太仓)有限公司
Multi-purpose diplopore siamesed magnetic core
ActiveCN101552075AEasy to adjustIncrease profitInductances/transformers/magnets manufactureCores/yokesWorking temperatureElectromagnetic interference
A multi-purpose diplopore siamesed magnetic core is a diplopore siamesed whole '8'-shaped closed heteromorphic magnetic core which is formed by two '3'-shaped character patterns, namely two half-'8'-shaped character patterns; the column closure of the two '3'-shaped characters is provided with an air gap or not; and both sides thereof are completely symmetrical, thereby forming a completely closed magnetic circuit. The invention is characterized by having the advantages of simple assembly, easy electrical parameter adjustment, stable characteristics and good consistency. The invention improves the electromagnetic conversion efficiency on the condition of same cross-sectional area, leads the electromagnetic conversion efficiency to be over 96 percent, and simultaneously causes the working temperature of the magnetic core to be reduced to be below 135 DEG C. The invention reduces the length of the magnetic circuit, increases the area of the window, reduces the electromagnetic radiation and interference of the magnetic core when in work and lowers the cost.
Owner:NANJING NEW CONDA MAGNETIC INDAL +1
Electromagnetic heating steam generator
ActiveCN109307255AAvoid radiationGuaranteed uptimeSteam generation heating methodsCoil arrangementsThermal energyEngineering
The invention discloses an electromagnetic heating steam generator. The electromagnetic heating steam generator comprises a box body and is characterized in that a cooling water inlet pipe is arrangedin the box body, a cooling water pump is arranged at one end of the cooling water inlet pipe, a cooling water electromagnetic valve is connected with the cooling water pump through the cooling waterinlet pipe, the other end of the cooling water electromagnetic valve is connected with a cooling water flow signal sensor, the cooling water flow signal sensor is connected with an electromagnetic induction heating module water inlet, and an electromagnetic induction heating module water outlet is connected with a cooling water inlet silicone tube. Through arrangement of a circular water tank, thewhole steam generator effectively uses radiant heat energy in an electromagnetic coil inner circular water collection system, through filtering of a circular cooling water circulation system, the water flows into a system water collection tank, through pressurizing of a variable frequency pump, the water enters an electromagnetic steam generation device, and the use efficiency of the heat energycan be effectively improved.
Owner:广东念智节能科技有限公司
Constant power ballasting component
InactiveCN106816296ATo achieve the purpose of current limitingAchieve energy saving effectTransformers/inductances coils/windings/connectionsVariable inductancesConstant powerVoltage fluctuation
The invention provides a constant power ballasting component, comprising: a magnetic core; a main coil arranged in the magnetic core, wherein the main coil at least includes a first tap, a second tap, a third tap and a fourth tap, wherein a coil of first number of turns is arranged between the first tap and the third tap, a coil of second number of turns is arranged between the first tap and the second tap, and a coil of third number of turns is arranged between the first tap and the fourth tap; a control unit that detects an input voltage and switches on one of the second, third and fourth taps and the first tap selectively according to the input voltage. The constant power ballasting component allows the corresponding number of turns to be adjusted and the tapping to be performed during winding of a choke coil according to voltage fluctuation, so that a lamp is kept operating substantially under the rated power to save energy.
Owner:NINGBO AUPUL TELECOMM EQUIP +1
Magnetic laminated structure, preparation method thereof and input device
ActiveCN106515126AHigh electromagnetic conversion efficiencyAvoid oblique line deformationLamination ancillary operationsLaminationLow permeabilityEngineering
The invention discloses a magnetic laminated structure applied to an input device. The magnetic laminated structure comprises a low-permeability material layer and at least two high-permeability material layers, wherein the at least two high-permeability material layers are laminated on the low-permeability material layer. With implementation of the embodiment, the at least two high-permeability material layers can reflect magnetic fields produced by an inductance coil, the magnetic fields in other directions of the inductance coil can be focused above the inductance coil, so that the magnetic field above the inductance coil can be enlarged, the magnetic fields around the inductance coil are uniformized effectively, and a drawn oblique line can be further prevented from bending. Besides, the influence of external metal on the inductance coil can be shielded by the low-permeability material layer, so that the input device can be placed on a metal table board to be used and can be carried out by a user to be used in different environments. The invention further provides the input device provided with the magnetic laminated structure and a preparation method of the magnetic laminated structure.
Owner:GUANGDONG XIAOTIANCAI TECH CO LTD
Electromagnetic conversion energy storage system
InactiveCN106655531AHigh electromagnetic conversion efficiencyPrevent magnetic fields from interfering or canceling each otherTransformersCircuit arrangementsPower storageElectromagnetic induction
The invention relates to an electromagnetic conversion energy storage system comprising an isotropic electromagnetic induction energy storage device and a high-frequency alternating magnetic field generation circuit. The isotropic electromagnetic induction energy storage device and a power storage device are integrated and connected with electrical appliances. The high-frequency alternating magnetic field generation circuit generates a high-frequency alternating magnetic field under the drive of a power supply. When the isotropic electromagnetic induction energy storage device approaches, a current is generated under the action of electromagnetic induction. The isotropic electromagnetic induction energy storage device comprises magnets, high-frequency coils, a filter and rectifier circuit, and a power storage device. Of the two or three magnets, every two magnets are perpendicular to each other. The high-frequency coils wind the magnets in two or three sets. By using the magnetic field reception isotropy design, the dead angle in the magnetic field reception direction is minimized, and thus, the coupling coefficient and electromagnetic conversion efficiency are improved. The electromagnetic conversion energy storage system is applicable to various electrical appliances, and especially applicable to traditional contact-charging electrical appliances which are hard to implement such as medical instruments in the human body.
Owner:肖斌
Electromagnetic generation component
InactiveCN104575930AHigh electromagnetic conversion efficiencyAchieve overlayElectromagnets with armaturesMagnetic tension forceCopper wire
The invention discloses an electromagnetic generation component. The electromagnetic generation component comprises a base plate; a plurality of binding posts are arranged at the bottom of the base plate; a supporting piece is arranged on the base plate; a first magnetic core and a second magnetic core are fixedly connected to the two sides of the supporting piece; the first magnetic core and the second magnetic core are connected end to end into a closed state; a first spiral winding surrounds the first magnetic core, while a second spiral winding surrounds the second magnetic core; the first magnetic core and the second magnetic core are connected into a circular shape; the first spiral winding and the second spiral winding are formed by winding copper wires. According to the electromagnetic generation component, the magnetic core is set to be two independent structures and the two structures are locked to form a circular ring-shaped loop, and two spiral windings independent from each other are arranged magnetically to realize magnetic force superposition without increasing the current during electromagnetic conversion, and therefore, the efficiency of electromagnetic conversion of the electromagnetic generation component is greatly improved.
Owner:马宁
Energy storage system by using electromagnetic transforming
InactiveCN107240939AHigh electromagnetic conversion efficiencyAvoid mutual interferenceBatteries circuit arrangementsTransformers/inductances coils/windings/connectionsElectromagnetic shieldingMagnet
The invention relates to an electromagnetic conversion energy storage system, which includes a homogeneous electromagnetic induction energy storage device and a high-frequency alternating magnetic field generating circuit. The alternating magnetic field generating circuit is driven by a power supply to generate a high-frequency alternating magnetic field, and when the homogeneous electromagnetic induction energy storage device approaches, a current is generated under the action of electromagnetic induction. The isotropic electromagnetic induction energy storage device further includes a magnet, a high-frequency coil, a filter rectifier circuit, and an electric storage device. The magnets are two or three and each is perpendicular to each other. The high-frequency coils are divided into two or three groups to wind the magnets. . The invention has the design of the uniformity of the magnetic field acceptance, which minimizes the dead angle of the magnetic field acceptance direction, thereby improving the coupling coefficient and the electromagnetic conversion efficiency. The invention is applicable to various electric appliances, especially for electric appliances such as medical devices in the human body, which are difficult to be implemented by traditional contact charging.
Owner:肖斌
Electromagnetic heating closed electric furnace
InactiveCN102438343AReduce gapEnsure personal safetyCoil arrangementsElectric arc furnaceEngineering
The invention provides an electromagnetic heating closed electric furnace, comprising a shell, a panel, a control circuit, an insulation plate and a coil, wherein the longitudinal section of the panel and the longitudinal section of the insulation plate are both n-shaped, and the panel and the insulation plate are provided with round slots under flat plates of the panel and the insulation plate respectively; the round slot of the panel is sleeved in the round slot of the insulation plate; and the coil is a solenoid which is fixedly sleeved out of the wall of the round slot of the insulation plate. The electromagnetic heating closed electric furnace has the advantages and the beneficial effects that the coil generates eddy currents to heat the panel, the panel then serves as a heating element with small thermal inertia, and the panel surface can be heated or cooled down rapidly when being powered on or powered off; the insulation plate has a small thickness and the gap between the panel and the coil is small, so that the electromagnetic heating closed electric furnace has high electromagnetic conversion efficiency and a long service life, saves electric energy better and can be maintained conveniently; and simultaneously, the electric heating is isolated completely, thus improving the safety performance.
Owner:HUAINAN UNITED UNIVERSITY
Bistable relay and bistable actuator
ActiveUS20160196941A1Good magnetic latching efficiencyHigh electromagnetic conversion efficiencyMagnetic circuitMechanical energy handlingStable stateImpact system
A bistable relay and a bistable actuator are provided. The bistable actuator includes a magnetic latching mechanism and an electromagnet. The magnetic latching mechanism includes a rotation shaft, a pillar-shaped permanent magnet, a columnar hollow magnetic conductor and two shells, and operates between a first and second stable states. The columnar hollow magnetic conductor surrounds the pillar-shaped permanent magnet wrapping the rotation shaft, and maintains a gap with the pillar-shaped permanent magnet. The electromagnet is connected to the columnar hollow magnetic conductor for driving the pillar-shaped permanent magnet to rotate, so as to switch the magnetic latching mechanism to the stable state. During a process that the magnetic latching mechanism is switched to the stable state, the rotation shaft rotates synchronously along with the magnetic latching mechanism to drive an impact system to move relative to a contact system, so as to contact or disconnect the contact points.
Owner:LIANG
Multifunctional electromagnetic pulse experiment instrument
InactiveCN101359433BEasy to adjustImprove the experimental effectEducational modelsHigh-voltage direct currentEngineering
Owner:DEZHOU UNIV
A production process of a stator assembly and its acoustic wave motor
ActiveCN110429771BAffect performanceReduce winding difficultyMagnetic circuit stationary partsManufacturing stator/rotor bodiesEngineeringAcoustic wave
The invention belongs to the technical field of an acoustic wave motor, and specifically relates to a stator assembly production process and an acoustic wave motor. The stator assembly production process comprises the following steps: 1) fixing an iron core outer ring, wherein the iron core outer ring is a closed ring, and the iron core outer ring comprises horizontal surfaces and arc surfaces; 2)arranging iron core teeth to the inner side of the iron core outer ring, wherein the iron core teeth are symmetrically arranged along the diameter direction of the iron core outer ring, and the ironcore teeth are symmetrically arranged on the arc surfaces of the iron core outer ring; 3) fixing a support, wherein the support is sleeved in the iron core outer ring, and the support is provided witha first limit portion for clamping the iron core outer ring and a gap portion for fixing a coil; and 4) carrying out winding through a winding jig, the coil being wound in the gap portion of the support. The stator assembly production process and the acoustic wave motor are high in winding efficiency; and the electromagnetic conversion efficiency of the stator assembly is high.
Owner:SICHUAN AWA SEIMITSU ELECTRIC CO LTD
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