130results about How to "Magnetic field stabilization" patented technology

The invention relates to a high-energy consumption self-decoupling magnetorheological damper with damping force decoupling property and failure self-protection function. The damper not only has high energy consumption and output, but also can effectively prevent subsidence of magnetorheological fluid, therefore, the invention is suitable for civil engineering structures. The damper mainly comprises a master cylinder body (6), an auxiliary cylinder body (13), a main piston (8), two auxiliary pistons (23), a piston rod (25), and novel composite-structure energy accumulators (14 and 15). Permanent magnets (9) arranged in the main piston (8) and the two auxiliary pistons (23) can effectively prevent subsidence of magnetorheological fluid, and can still provide corresponding damping force under the condition of power supply failure to enhance the safety of the structure. Magnetic circuit guiding components improve the utilization factor of the magnetic field. A mechanical spring self-decoupling device is mainly operated on the condition that the damper is under low-frequency driving, thereby overcoming the disadvantage of low output of the damper under low-frequency driving.

The invention provides a magnetic induction foam molding apparatus comprising: a pair of electromagnet parts, each of which has a core part composed of a ferromagnet and a coil part placed on the outer circumference surface of the core part, and that are placed so as to face each other and depart from each other with a predetermined distance in the axis direction of the core part; a foaming mold interposed between the pair of electromagnet parts, inside which a cavity is defined; and a yoke part connecting back surfaces of the respective core parts of the pair of the electromagnet pats so as to form a magnetic path between a pair of the back surfaces. In the cavity of the foaming mold, a uniform magnetic field is formed.

The invention relates to a mobile phone shell capable of dissipating heat. The mobile phone shell capable of dissipating heat comprises a hollow backboard and side frames; rotary shafts are equidistantly arranged in the backboard in parallel and closed heat dissipating sleeves are sleeved on the rotary shafts; baffles are equidistantly arranged at circumference among the heat dissipating sleeves and the rotary shafts; two partitioning areas vertical to the rotary shafts are arranged in each heat dissipating sleeve; magnetofluid is filled in a driving field; radiating liquid is filled in a heat dissipating field; small magnetic sheets opposite to the driving field are equidistantly arranged at one surface of the backboard adjacent to a mobile phone. The mobile phone shell could be used for effectively dissipating heat while effectively protecting the mobile phone, and will not influence the transmission of mobile phone signals, thereby having relative high ornamental value.

The invention relates to a preloaded radial permanent magnet bearing which comprises side rings, an external ring, an internal ring, a magnetism conducting sheet, a ceramic ball component, a static permanent magnet ring set and a movable permanent magnet ring set; the static permanent magnet ring set consists of eight semi-circular permanent magnet rings respectively embedded in two side rings; and the movable permanent magnet ring set consists of an integrated permanent magnet ring and is positioned on the internal ring by set screws. The axial clearance between the static permanent magnet ring set and the movable permanent magnet ring set is constant and equal and is positioned by the ceramic ball component; the ceramic ball component consists of a housing washer and a ceramic ball; and the magnetism conducting sheet is made from a material with high magnetic conductivity. The preload of the bearing is realized by the permanent magnet rings with opposite magnetic pole directions, the bearing capacity of the permanent magnet bearing is greatly increased, the conventional mechanical bearing is replaced by a ceramic ball self-lubricating system with extremely small frictional force, and the bearing is simple and reliable in structure, convenient and fast to use, and convenient for serialized production.

Disclosed are an electromagnetic stirrer for a continuous casting solidification end and a dynamic control method thereof. The electromagnetic stirrer for the continuous casting solidification end comprises an inner cylinder and an outer cylinder, wherein the inner cylinder is provided with a continuous casting billet, a direct current electromagnetic body is arranged between the inner cylinder and the outer cylinder, the direct current electromagnetic body is provided with an annular iron core with a salient pole and a coil which surrounds the annular iron core, the direct current electromagnetic body is driven by a drive device to rotate around the inner cylinder, an alternating magnetic field is formed in the continuous casting billet, and then an induced current is induced in the continuous casting billet, and the induced current and the alternating magnetic field interact and generate electromagnetic force so as to drive steel liquid in two phase areas to flow, accelerate redistribution of enriched solute and treelike crystals, and improve internal quality of the continuous casting billet. The dynamic control method of the electromagnetic stirrer for the continuous casting solidification end guarantees that a current stirring parameter is equivalent to the best stirring parameter so as to obtain the best stirring effects and stabilize the internal quality of the continuous casting billet.

The invention provides a maglev nonlinear vibration isolator of satellite sensitive load. The maglev nonlinear vibration isolator comprises an output rod, an outer package, a first magnetic body, a second magnetic body and a third magnetic body, the first magnetic body, the second magnetic body and the third magnetic body are all arranged on the inner side of the outer package, the first magnetic body is fixed at the upper end of the outer package, the third magnetic body is fixed at the lower end of the outer package, and the second magnetic body is arranged between the first magnetic body and the third magnetic body and is opposite to the same in a same-polarity manner. The invention further provides a corresponding system and method. A mode that the magnetic bodies are serially connected is adopted, and the magnetic bodies are coaxial and move axially, so that deflection of angles of the magnetic bodies is avoided; a magnetic field is stable, so that vibration at other frequency can be avoided. The maglev nonlinear vibration isolator is nonlinear in rigidity.

The invention belongs to the technical field of chip testing and discloses a Hall product testing mechanism and an assembling and testing method. The Hall product testing mechanism comprises a Hall movable clamp, a Hall coil, a collar, a base and a Hall test piece. The Hall coil comprises an I-shaped support and an enameled wire coil which coats the middle of the I-shaped support, one end of the I-shaped support is provided with an annular plate with a round groove in the center, and the center of the round groove is provided with a round through hole. The base is circular and embedded into the round groove, and the Hall test piece is fixed to the upper surface of the base. The middle of the collar is provided with a square hole which annularly sleeves the top end of the Hall movable clamp, and the tail end of the Hall movable clamp is inserted into the round through hole. The whole mechanism forms a positioning and fixing device of the Hall test piece and the Hall movable clamp. By the Hall product testing mechanism and the assembling and testing method, the problem of large difference between maximum and minimum values of measured Gaussian quantity due to magnetic field instability of the Hall coil in a test area in a chip testing process is solved.

The invention provides a magnetic composite fluid polishing device for the inner wall of a small thin pipe, and belongs to the field of polishing devices. The magnetic composite fluid polishing device for the inner wall of the small thin pipe comprises a support, a lead screw, polished rods, a polishing head support, a magnetic unit, a drive portion and a polishing portion. The polishing portion comprises a conveying pump, a magnetic composite fluid container and a workpiece seat. The output end of the conveying pump is connected to the magnetic composite fluid input end of a workpiece through a pipeline, the magnetic composite fluid output end of the workpiece communicates with the magnetic composite fluid container through a pipeline, the input end of the conveying pump is connected to the magnetic composite fluid container, and a complete loop is formed. In the device, a permanent magnet in the magnetic unit can rotate and can move left and right relative to the workpiece, and therefore a stable magnetic field can be generated, then Bingham fluid is formed by magnetofluid under the action of the magnetic field, shearing force is generated by the Bingham fluid, and the inner wall in an irregular shape of the workpiece is polished.

The invention provides a circumferential magnetic conduction structure of a Hall sensor. The magnetic conduction structure comprises an annular permanent magnet, a Hall chip, a circular ring sleeve and two magnetic conduction blocks, wherein the circular ring sleeve is made of a magnetic conduction material, and the annular permanent magnet is fixed on the inner wall of the circular ring sleeve; the two magnetic conduction blocks are positioned inside the annular permanent magnet, and a gap is formed between the external surfaces of the two magnetic conduction blocks and the internal surface of the annular permanent magnet; and the Hall chip is positioned between the two magnetic conduction blocks. By means of the circumferential magnetic conduction structure disclosed by the invention, a magnetic field is effectively focused at the inner side of the circular ring sleeve so that the magnetic field induced by the Hall chip is stable and has high magnetic intensity; and the circumferential magnetic conduction has the advantages of simplicity for processing and forming.

The invention provides a low-speed and high-torque motor with a magnetic gear. The low-speed and high-torque motor comprises an inner rotor, an adjustable magnetic ring and a stator which are coaxially and sequentially arranged from inside to outside, wherein a permanent magnet is arranged in the inner rotor; an armature winding for generating a rotating magnetic field and an electromagnet for generating a constant magnetic field are arranged in the stator. By adopting the electromagnet to generate the constant magnetic field in the stator and to replace a permanent magnet in the stator, the usage of the permanent magnet can be reduced, so that the length of an air gap on an outer layer is reduced, and further the coupling degree of an armature winding magnetic field and a permanent magnet magnetic field of the inner rotor is improved.

The invention discloses a low-cost anisotropic sintered permanent magnetic ferrite radial multi-pole magnetic ring near-net forming mould and a method. The forming mould mainly comprises magnetic yokes, ferrite magnetic powder, a core rod, neodymium-iron-boron magnetic blocks, and a mould wall; the inner side of the mould wall is filled with the ferrite magnetic powder; the core rod is arranged in the center of the inner side of the mould wall; the neodymium-iron-boron magnetic blocks are uniformly distributed on the circumference of the outer side of the mould wall; and the magnetic yokes are arranged on the outer sides of the neodymium-iron-boron magnetic blocks. The forming mould considering the difference of the shrinkage rates of one circle of a magnetic ring is adopted, so that the working surface side of the sintered blank magnetic ring has good cylindricity; the high-performance neodymium-iron-boron permanent magnetic blocks are adopted as orientation clamp magnetic field generation sources, so that the magnetic field is stable, and the orientation of the poles of the ferrite magnetic ring is ensured to be uniform; the advantages are more obvious in preparation of a series of products such as radial two-pole, four-pole, six-pole, eight-pole and ten-pole products and the like; and the forming mould is suitable for outer circular anisotropic radial multi-pole magnetic rings and inner circular anisotropic radial multi-pole magnetic rings, and has high universality.

The invention discloses a method of using an unmanned plane with an electromagnetic sucker to implement on / off line of an inspection robot. The method of using an unmanned plane with an electromagnetic sucker to implement on / off line of an inspection robot includes the steps: when the inspection robot is on line, putting the inspection robot on the electromagnetic sucker of the unmanned plane, utilizing the control circuit to control the electromagnetic sucker to be energized so as to generate a magnetic field to enable the electromagnetic sucker to suck the magnetic part of the inspection robot, so that the unmanned plane can fly to the on line point; after the inspection robot is on line stably, utilizing the control circuit to control the electromagnetic sucker to be disconnected with power supply, so that the unmanned plane is separated from the inspection robot and returns to the ground, wherein when the inspection robot is off line, when the electromagnetic sucker of the unmanned plane is not energized, the unmanned plane takes off and arrives below the inspection robot to contact the inspection robot, and the control circuit controls the electromagnetic sucker to be energized, and then the inspection robot is off line, and then the unmanned plane carries the robot to fly to the ground; and utilizing the control circuit again to control the electromagnetic sucker to be disconnected with power supply, that is, taking down the inspection robot from the unmanned plane.

The invention discloses a test method of Curie temperature of a ferromagnetic material. The test method is characterized in that a magnet is parallel placed on a sample tray of a thermal gravity-differential thermal integrated analyzer; the thermal gravity-differential thermal integrated analyzer with the magnet is used for measuring the mass of the ferromagnetic material; the placed magnet is used for adding a stable magnetic field for a to-be-tested sample put in the sample tray. The test method comprises the following steps: putting a ferromagnetic material sample subjected to primarily drying and impurity removing, and raising test temperature and recording the mass of the sample in real time to obtain the minimum mass of the sample; and further raising the test temperature and recording the mass of the sample in real time when the mass of the sample is minimum, wherein the mass of the sample is increased along with the raising of the test temperature until the hopping of the mass of the sample occurs, then the mass of the sample is not changed again; and recording the test temperature value at the moment, wherein the test temperature value is the Curie temperature of the ferromagnetic material. The test method can be used for very easily testing the Curie temperature of the ferromagnetic material.

The invention discloses a magnetic ring encoder structure of a brushless motor and the brushless motor, belongs to the field of brushless motors, and aims to improve the detection precision of the angle change of a motor rotor and enhance the low-speed performance of the motor, The magnetic ring encoder structure of the brushless motor comprises a magnetic ring and linear Hall sensors, wherein the magnetic ring is mounted on a rotor shaft in the brushless motor, and at least two linear Hall sensors are arranged and used for sensing the magnetic field change of the magnetic ring. The magnetic ring has a stable magnetic field, the linear Hall sensors can sense the change of the magnetic field to generate signal waves, a computer algorithm can calculate the rotating speed of the rotor shaft according to the numerical values of the signal waves generated by the plurality of linear Hall sensors so as to control the rotating speed of the motor, and the control performance is good.

The invention provides a large-section, uniform, adjustable stable-alternating magnetic field generating device and method. The device comprises a magnetic closing body formed by a round upper cover (2), a round lower cover (3) and an annular shell (4); upper and lower magnetic yoke plates (5) and (6) are oppositely arranged in the magnetic closing body; a solenoid coil (8) is wound on each cylindrical coil support (7); a plurality of vents (1) are distributed in the annular shell (4); the distances between the upper and lower magnetic yokes can be adjusted by selecting the cylindrical coil supports with different heights to be suitable for test samples with different heights; a coil skeleton is supported between an upper cover and the upper magnetic yoke plate; the coil skeleton, the upper cover and the upper magnetic yoke plate are fastened into a whole by bolts (9), and are used as both a large-section magnetic pole and an openable part of the device for taking and placing the samples; the lower magnetic yoke plate is fixed with the same method and can be used as both a magnetic plate and a carrying platform; the solenoid coil is subjected to direct current and is homogenized by the magnetic yoke plates to generate a large-section uniform adjustable stable magnetic field; and the solenoid coil is subjected to alternating current to generate a large-section uniform alternating magnetic field.

The invention discloses a pair of magnetic therapy shoes and production technology thereof. The magnetic therapy shoes comprise uppers, insoles and soles, wherein each sole comprises an outsole and a midsole; each upper comprises a five-layer structure, the middle layer is high foaming EVA which is provided with waterproof cloth on the upper and lower surfaces, a leather surface is adhered to the surface of the waterproof cloth on the upper surface, and a lining is adhered to the surface of the waterproof cloth on the lower surface; magnetic sheets are adhered to each midsole; a layer of waterproof cloth is paved on each of the upper and lower surfaces of each midsole. The invention also discloses the production technology of the magnetic therapy shoes. The production technology comprises the steps of: 1, preparing the uppers; 2, preparing the magnet sheets; 3, preparing the soles; 4, assembling, specifically inducing fixing each sole on a machine rack, sizing the periphery of each upper uniformly, and sticking the periphery of each upper with the periphery of the corresponding sole by size, and thereby the magnetic therapy shoes is produced.

The invention discloses a high-precision dual-mass silicon micro-gyro device based on a tunnel magneto-resistance effect, and the device comprises upper and lower layers, wherein the upper layer is asilicon-sensitive structure, and the lower layer is a glass substrate structure provided with a metal electrode and a tunnel magneto-resistance detection module; the structure of the upper layer is bonded to the structure of the lower layer through anchor points and consists of two completely identical gyroscope substructures, a pair of support beams and a pair of anchor points; and the structureof the lower layer consists of the tunnel magneto-resistive detection module, a glass substrate, a driving electrode, a driving detection electrode, an orthogonal electrode, a coil input interface, acoil input electrode, a coil output interface, a coil output electrode, a common electrode and a signal lead. The invention proposes that the silicon micro gyroscope uses a miniature coil as an excitation mechanism having stable magnetic field, controllable field strength and high degree of integration, and at the same time, uses a differential tunnel magneto-resistance detection structure havingthe advantages such as strong resistance to common mode errors, high sensitivity and high measurement accuracy.

The invention discloses an annular magnet based on a ReBCO superconducting ring piece belonging to the technical field of superconducting magnet application. The annular magnet is composed of a plurality of identical unit annular field magnets uniformly distributed along the annular direction, wherein, the unit annular field magnets are obtained by alternately stacking N ReBCO superconducting ringsheets and N+1 insulating sheets, wherein N is a positive integer; ReBCO superconducting rings are D-shaped, and N + 1 insulating rings are the same size as N ReBCO superconducting rings. A low-temperature Dewar immersion type cool magnet has that advantages of high magnet current carry capacity, low heat leakage, compact structure and disassembly, and can generate a stable large-space magnetic field, and is widely used in the fields of medium and large Tokamak magnet, thermonuclear fusion reaction and the like.

The invention relates to a dual-permanent-magnet-pole alternating magnetic field magnetic grinding machining device. The dual-permanent-magnet-pole alternating magnetic field magnetic grinding machining device comprises a supporting base, a base, magnet poles, motors with shielding cases, shielding discs, a transmission mechanism, a cylindrical mold and magnetic abrasive particles; the supportingbase is arranged on the base, the magnet poles are arranged on the supporting base, the motors with the shielding cases are fixed above the magnet poles, two magnet poles are arranged and include thepole N and the pole S, the two magnet poles are oppositely arranged, the cylindrical mold is arranged between the magnet poles, the motors with the shielding cases drive the shielding discs to rotate,the shielding discs are arranged between the magnet poles and the cylindrical mold, the magnetic abrasive particles are arranged in the cylindrical mold, the cylindrical mold is driven by the transmission mechanism to axially rotate, the shielding discs are composed of two or more fan blades, the fan blades are axially and evenly distributed, and the fan blades of the two shielding discs are staggered. The device has the beneficial effects that the shielding discs are used for achieving alternating changing of magnetic force of magnetic fields on the two ends of the cylindrical mold, motion directions of the magnetic abrasive particles can be achieved, and the magnetic abrasive particles in the directional motion are used for finishing of a machine part.

The invention discloses a magnetic immunochemiluminescence detection method for PD-L1 exosomes and belongs to the technical field of rapid in-vitro detection. A kit used in detection contains an antibody A, an antibody B, a porous metal foam-filled hollow column, and a magnet; the antibody A is a chemiluminescent molecule exosomal antibody or an enzyme-labeled exosomal antibody which is capable ofmaking a substrate emit light; the antibody B is a magnetic bead-labeled exosomal antibody; at least one of the antibody A and antibody B is an exosome PD-L1 antibody. The detection method includes the following steps that: the antibody A, the antibody B and a sample are incubated; efficient capture and separation are realized by means of the porous metal foam magnet; and after impurities are cleaned, a magnetic field is removed, and a double-antibody sandwiched composite is collected and detected. The method integrates sample incubation, magnet efficient capture and separation, and rapid detection, and has the advantages of convenient operation, rapid detection, low cost and the like.

The invention discloses a designing scheme of a high conductivity metallic film short circuit ring which does not change (or slightly changes) basic performance of a speaker while leading edge transient response of the speaker is obviously improved. In an irony member of a magnetic path near a voice coil, some parts of the irony member are in a highfield and high magnetic saturation state, the high magnetic saturation parts of the irony member are closely attached to the voice coil and are main sources of hysteresis damping received by the voice coil movement. The high conductivity metallic film short circuit ring needs arranging on the inner sides or the outer sides of the high magnetic saturation parts, the high magnetic saturation parts of the irony member are enabled to be placed in an inner and outer side strong affecting area of the short circuit ring, the adjustment on the interior magnetic field of the strongest magnetic field of the irony member by a voice coil current is reduced, therefore, a hysteresis damping effect is reduced, the leading edge transient response is improved, and the occurrence that voice coil inductance is blindly canceled or reduced greatly is avoided.

The invention provides a magnetic bearing for a high-speed magnetic suspension motor. The magnetic bearing comprises a bearing sleeve, a magnetic coil and an annular end cover, wherein the bearing sleeve is of an annular structure and comprises an inner ring, an outer ring and an annular groove; the annular groove is formed between the inner ring and the outer ring; the magnetic coil is located inthe annular groove; the annular end cover is fixedly connected with the outer ring; the inner ring serves as the N pole of the magnetic bearing; and the annular end cover serves as the S pole of themagnetic bearing. According to the magnetic bearing, the bearing sleeve and the end cover are used for coating the coil, and paint immersion and encapsulation are carried out around the coil by utilizing insulating paint, so that the insulating ability of the coil is improved; and the coil becomes a whole, so that it is guaranteed that the magnetic field of the coil is stable, the situation that amotor rotor shakes due to the fact that the magnetic field is not stable is avoided, and it is guaranteed that the magnetic suspension motor operates stably and safely in the long term.

The invention relates to a nuclear magnetic resonance superconducting magnet with a compact coil structure, which comprises a main coil 1-5, an adjusting coil 6-9, a shielding coil 10-12, an anti-electromagnetic interference coil 13-14 and a shimming coil 15-25. The diameter of a superconducting wire is gradually reduced from the main coil 1 to the main coil 5, and the current density is in a graded form. The shimming coil comprises axial coils Z0, Z1, Z2, Z3 and Z4 and radial coils X, Y, ZX, ZY, X2-Y2 and XY, the axial coils Z0, Z2 and Z4 are electromagnetically decoupled from a magnet coil composed of the main coil 1-5, the adjusting coil 6-9 and the shielding coil 10-12, and the axial coils Z0, Z2 and Z4 are electromagnetically decoupled from one another. The anti-electromagnetic interference coils 13 and 14 form a closed loop, so that the superconducting magnet can keep the magnetic field in the central region stable when being interfered by an external magnetic field.

The invention provides a dish stir-frying machine with a floating and removable pot cover. Firstly, a magnetic piece and an elastic piece are arranged between a plastic piece and a pot cover body, theplastic piece and the pot cover body can be mutually attracted and connected through the magnetic piece during installation, and in the removing process, external force is applied so as to overcome the attractive force of the magnetic piece and make the pot cover body and the plastic piece separated; and meanwhile, the elastic piece is compressed and rebounded so as to adapt to the assembly errorbetween the pot cover body and a pot body, so that the floating control over the height of the plastic piece is achieved through the elastic piece, and it is ensured that the pot cover body is well buckled to the pot body; under the condition that a motor and a stirring device are installed on the plastic piece, the vibration caused by poor buckling can be effectively reduced by arranging the elastic piece, the service life of the whole machine is prolonged, and the user experience is improved; besides, the elastic piece is located on one side of the magnetic piece, so that the magnetic piecedoes not need to be separated from an adsorption target by the elastic piece, the distance between the magnetic piece and the adsorption target is smaller, and adsorption connection is more accurateand reliable.

The invention discloses a magnetic core forming device and a forming process for a laser printer. The device comprises an extruder barrel, extrusion screws, a machine head, an evacuation mold core, a sizing device, an electromagnetic orientation device, a cooling device, a cooling water path, a traction device and a cutting device, wherein the front end of the machine head is connected with the extruder barrel; the extrusion screws are arranged in the center of the extruder barrel; the sizing device, the cooling device, the traction device and the cutting device are arranged in sequence at the back end of the machine head; the electromagnetic orientation device is arranged in the sizing device; the cooling water path is formed in the cooling device; and the evacuation mold core passing through the machine head, the electromagnetic orientation device, the cooling water path, the traction device and the cutting device are arranged at the back ends of the extrusion screws. A conventional forming mechanism is changed, and continuous forming is performed in an extrusion way. Meanwhile, hollow evacuation can be performed in the forming way, so that materials and the production cost are saved greatly, and the production efficiency is maximized.

The invention relates to the technical field of magnet therapy, in particular to a light magnetic ball and a preparation method thereof. The light magnetic ball comprises a ceramic hollow ball and a magnetic resin material layer attached to the outer surface of the ceramic hollow ball. The internal ceramic hollow ball is small in density and firm in structure, and can provide stable support for the magnetic resin material layer on the outer layer. The magnetic resin material layer is formed by mixing magnetic powder and resin, wherein the magnetic powder can generate a stable magnetic field toachieve magnetic therapy effect, and the resin can reduce foreign body sensation generated in the using process of the light magnetic ball, thereby effectively improving comfort degree in use. The light magnetic ball provided by the invention has the advantages of small density, firm structure, wear resistance, corrosion resistance and the like, can meet the demand for magnetic therapy when arranged on products such as quilts, greatly reduces the weight of the products, and is more comfortable to use.

The invention discloses a ballistic parameter-recording device. The device mainly comprises a magnet base (1), a magnet (2), a magnet-sealing cover (3), a recorder-sealing cover (4), a detector (5), a recorder circuit board (6), filler (7) and a recorder base (8). In the flying process of a shell, the recorder base (8) is kept fixed relatively at the position of the shell body, the magnet base (1) is driven by a rigid empennage to rotate, a high level-low level-high level jump process can take place each time when the magnet (2) passes the detector, the generated jump can be recorded by the recorder circuit board (6), at the same time, an accelerometer (9) starts to work, and the frequency and acceleration of the jump process within a certain period of time are recorded by a memory (10) in real time. The device can be widely applied, and can simultaneously record the flying time of the shell, the relative rotational speed of the shell and the empennage and the overload parameter in the flying process of the shell.

The high energy magnetic core array for biological magnetic field regulation is used for acting human body, animal or plant with simulating biological magnetic field to regulating abnormal biological magnetic field, eliminate diseases, promote growth and raise life quality. The present invention includes high energy magnets and base board and features that the high energy magnets are arranged on the base board to constitute an array of four circles and eight radials, with the high energy magnets in adjacent circles being in different polarity.

The invention discloses a flexible high-efficiency magnetization pipeline for water and a magnetization device based on the pipeline. The pipeline comprises a plurality of annular shells arranged on the outer side of a hose, two adjacent shells are connected by a metal corrugated pipe, a magnetization ring is arranged in each shell, the magnetization rings sleeve the hose, each magnetization ringincludes several neodymium-iron-boron magnetic blocks, and several neodymium-iron-boron magnetic blocks form a group of Halbach array. The magnetization device provided by the invention can realize reduction of surface tension and increase of an evaporation speed at a temperature of 20-25 DEG C; the field strength required by the device is small, the volume of the magnetizer is effectively reduced, and the flexibility during use is enhanced; and the device is almost not affected by electromagnetic equipment in the working environment, and has a stable effect.