72results about How to "Improve the utilization rate of magnetic energy" patented technology

The present invention is non-contact magnetically adsorbed wall climbing robot, belongs to the field of robot design technology, and aims at providing robot with both high moving flexibility and great loading capacity. The non-contact magnetically adsorbed wall climbing robot includes wheeled moving mechanism and permanent adsorption mechanism. The wheeled moving mechanism includes chassis, driving mechanism and wheels, which are laid symmetrically, driven in differential mode, and turns on wall by means of the speed difference of the wheels. The permanent adsorption mechanism has no contact with the magnetically conducting wall surface, high magnetic energy utilization, and high adsorption capacity. The wall climbing robot has high loading capacity, high motion flexibility, especially high turning flexibility, and excellent application foreground.

The invention discloses one low power and anti-high voltage linear motor, which adopts special designed conductive magnetic cover, armature iron and end cover basin shoe parts, wherein, the magnetic conductive cover is orderly set with yoke iron, permanent part, yoke iron with two permanent axis filled with magnetic part; the yoke iron and permanent part, end cover and shell form ring space filled with co-center spiral tube control coil; the permanent magnetic part generates electrode magnetic field and control coil overlap.

The invention discloses a curved surface wall-climbing robot for surface cleaning. The robot comprises a front wheel driving mechanism, a rear wheel driving mechanism, a posture adjusting mechanism and a cleaning and derusting mechanism; the front wheel driving mechanism and the rear wheel driving mechanism are the same in structure; a steering motor in the posture adjusting mechanism drives a front wheel rotating claw and a rear wheel connecting claw to rotate, then a connecting rod is driven to move, so that the front wheel driving mechanism and the rear wheel driving mechanism are divertedin opposite directions; a guide air driver and an air cylinder in the cleaning and derusting mechanism are fixed to the side face of a transverse beam through a mounting frame, by controlling the posture of a cleaning disc, the cleaning disc can swing; a soft rubber gasket is fixed on the lower side of the cleaning disc, and can tightly press a working wall surface; and a rotator nozzle is fixed to the center of the upper surface of the cleaning disc, is connected with a high-pressure water pipe, and sprays high-pressure water outwards through a spraying rod. The robot can climb on a curved surface with a large curvature, the operation environment and the operation capability of the robot are expanded, and meanwhile, the cleaning requirements under different postures can be met.

The invention discloses an electromagnetic type active vibration absorber which comprises two permanent magnets, a skeleton, two enamelled coils, an insulating sealing shell, a wiring port, two shaft bossings, an ejector pin, screws, two metal springs, a cover plate, a shell and a mass block; the shaft bossings are installed at the two ends of an inner ring of the annular skeleton; the permanent magnets are adhered to the periphery of the skeleton; the enamelled coils are encapsulated in the insulating sealing shell and installed in the shell; the metal springs are of a spring sheet structure with a center hole, are installed on the cover plate in a pressing manner and are installed at the two ends of the shell respectively; the lower end of the ejector pin penetrates through the two shaft bossings and the center holes of the metal springs and is fixed to the metal springs through the screws; the mass block is installed at the upper threaded end of the ejector pin; and the wiring port is adhered to the end of the insulating sealing shell so as to derive the enamelled coils out to be connected with a controller. The electromagnetic type active vibration absorber can better meet the vibration attenuation needs of low-frequency vibration and high-frequency vibration and also has the advantages of compact structure, small energy consumption, sensitiveness in respond, convenience in mounting, strong reliability and the like in engineering application.

The invention relates to a magnetization oxygenation activated water device which comprises a water inlet port, a magnetic component, a delamination multiway alternative channel, a minisize jet flow nozzle and a water outlet port, wherein the delamination multiway alternative channel is formed from sleeving and fixing both ends of round tubes of an outer layer round tube, a middle layer round tube and an inner layer round tube with three different tube diameters in a delamination mode. The magnetization oxygenation activated water device employing the structure of the invention effectively controls the flow speed, the flow capacity and the flow direction of water flow and air input, ensures the same water flow to carry out continuous acceleration vertical cutting for many times on the same magnetic line of force of a magnetic field so as to enhance the magnetic energy utility ratio multiply and obviously enhance magnetization effect, has the function of stream flow oxygenation to form a high speed air-water mixture flow, effectively promotes and enhances the oxygenation activated capacity of a water body, is more beneficial to redox reaction of organic matters of the water body, promoting transformation and degradation of contaminants and reducing fume (such as chlorine odor) of the water body, and has good biochemical effect and water-saving function.

The invention belongs to the technical field of magnetic separation equipment and in particular relates to a ring pillar for magnetic separation. The ring pillar for magnetic separation comprises a mine feeding pipe, a mine feeding funnel, a separation barrel, a magnetic system, a tailing inner pipe, a non-magnetic conductive outer cover and an electric control device, wherein the separation barrel is composed of a step-shaped sleeve pipe, an equal-diameter sleeve pipe and a concentrate outlet; the pipe diameter of the step-shaped sleeve pipe is increased in sequence from top down, and the inner drift diameter of a small-diameter pipe at the uppermost part is the same as that of the tailing inner pipe; a peripheral mine separator and a magnetism gathering grating are arranged in the step-shaped sleeve pipe; the peripheral mine separator is arranged below the mine feeding pipe; the magnetism gathering grating is fixedly connected with the tailing inner pipe; and the magnetic system is composed of a coarse separation magnetic system, a commonly electrified coil magnetic system and a fine separation magnetic system which are respectively arranged on the step-shaped sleeve pipe and the equal-diameter sleeve pipe. According to the ring pillar for magnetic separation, the probability that magnetic particles in a coarse separation region directly enter in tailings is reduced, the probability that magnetic particles in a fine separation region are washed into the tailings with ascending water flow is reduced, the tailings grade is reduced, the recovery rate is increased, and the utilization rate of magnetic energy of equipment is maximized.

A wall-climbing robot permanent magnetism adsorption force adaptive control device and a method thereof belong to the petrochemical industry non-destructive testing application field. The adaptive control device comprises a wall-climbing robot and an absorption device, and the absorption device is arranged on the side surface of the wall-climbing robot contacted with a magnetic climbing wall surface. The adaptive control device is characterized by also comprising a permanent magnetism driving device, a permanent magnetism adsorption force detection device, a wall-climbing robot pose monitoring device and a permanent magnetism adsorption force control system, wherein the permanent magnetism adsorption force detection device and the permanent magnetism driving device are connected with the absorption device separately, and the wall-climbing robot pose monitoring device is arranged on the side surface of the wall-climbing robot and is controlled by the permanent magnetism adsorption force control system. The wall-climbing robot permanent magnetism adsorption force adaptive control device and the method thereof can achieve the purposes of being higher in magnetic energy utilization rate, and being able to monitor real-timely and control the permanent magnetism adsorption force accurately.

The invention discloses a composite structure magnetorheological elastic body shock isolator which comprises a base, a shock isolation platform, a laminated structure, a magnetorheological elastic body, a magnetic conductor, a magnetic core, a sleeve, a coil and connecting pieces, wherein the laminated structure is formed by alternate bonding of magnetorheological elastic body sheets and pure iron sheets. The base is located at the bottommost end of the whole shock isolator; the laminated structure is mounted on a boss structure of the base; the magnetic core is mounted at the upper end of the laminated structure; the boss structure of the upper end of the base, the laminated structure and a cylindrical structure at the lower end of the magnetic core are sleeved together through the sleeve; the coil is wound on an outer circle of the sleeve; the magnetic conductor is mounted on a cylindrical structure at the lower end of the base and located at the outmost end of the radical direction of the whole shock isolator; an annular gap is arranged between the magnetic conductor and a cylindrical structure at the upper end of the magnetic core; the magnetorheological elastic body is of an annular structure and is embedded in the annular gap between the magnetic conductor and the cylindrical structure at the upper end of the magnetic core; and the shock isolation platform is located at the topmost end of the whole shock isolator and connected with the magnet core through the connecting pieces. The composite structure magnetorheological elastic body shock isolator is simple in structure, good in shock isolation controllability and high in adaptability.

The invention discloses a rotor silicon steel sheet structure which comprises a first silicon steel sheet lamination, a second silicon steel sheet lamination and a connection key, wherein the magnetic permeability of the connection key is lower than that of a silicon steel sheet, the second silicon steel sheet lamination is embedded into a containing groove in the outer peripheral surface of the first silicon steel sheet lamination, the first silicon steel sheet lamination and the second silicon steel sheet lamination are connected through the connection key, two installation grooves used for installing magnetic steel and formed in two sides of the connection key are reserved between the first silicon steel sheet lamination and the second silicon steel sheet lamination, and interstices are formed in the peripheral direction around the central axis of the first silicon steel sheet lamination and between the first silicon steel sheet lamination and the second silicon steel sheet lamination, so that the installation grooves are communicated with the outside through the interstices. The first silicon steel sheet lamination and the second silicon steel sheet lamination are separated in space through the connection key with low magnetic permeability and the interstices, therefore, magnetic lines of force generated by the magnetic steel form a loop in the rotor silicon steel sheet structure difficultly and reach to a stator only through a stator-rotor air gap to be cut by a stator winding to produce torque, and the magnetic energy utilization rate is increased.

The invention provides a novel magnetic adsorption type wall-climbing wheel, which comprises a driving motor, a speed reducer, driving wheels and a permanent magnet adsorption device. The driving wheels are fixed on a transmission shaft. The transmission shaft and the speed reducer are both fixed through a mounting plate. Under the speed reducer, the permanent magnetic adsorption device is arranged between the two driving wheels. The permanent magnet adsorption device comprises a sector yoke, arc magnets and a magnet isolator. During operation, the permanent magnet adsorption device is not incontact with a magnetic conductive wall surface, so the magnetic energy product of the magnet can be maximally utilized to reduce the magnetic leakage and sufficiently reduce the magnet mass. The magnetic adsorption type wall-climbing wheel provided by the invention can adapt to complex working conditions, has a good obstacle-crossing capability and has a good application prospect in the production and maintenance work of ships and petrochemical industries.

The invention discloses a method for improving flexibility of a loudspeaker driver. The method is characterized by comprising the following steps: (1) arranging a high pitch cylindrical body; (2) setting a basin frame, a magnetic circuit system, a vibrating diaphragm combined with the basin frame and a voice coil; (3) setting an equalizer assembly which comprises a compression type equalizer structure and a diffusion type equalizer structure; (4) setting an EVA cushion and a dust-proof net; (5) setting a lining cover and a radiator column which are connected to each other; (6) assembling the components to form the loudspeaker driver, transmitting a sound wave generated by the vibrating diaphragm of the loudspeaker driver upwards, processing the sound wave through the compression type equalizer structure, then processing the sound wave through the diffusion type equalizer structure, transmitting the sound wave outwards, and enabling flexibility of the loudspeaker driver to reach 103-110db. The invention further discloses a device of the method for improving flexibility of the loudspeaker driver.

The invention relates to a rectangular triangle permanent magnet rotary engine fixed at the periphery of a stator and a rotor of diamagnetism alloy materials, in particular to a direct-repelling type permanent magnetic rotary engine driving the rotor to circularly move depending on the repulsion among same poles of a stator permanent magnet and a rotor permanent magnet and a process thereof, more particularly to an engine which works depending on the magnetic energy of the permanent magnets. The technical scheme is achieved as follows: notches are left at the straight sides of the stator rectangular triangle permanent magnet and the rotor rectangular triangle permanent magnet, a small rectangular triangle resistance-reducing magnet forwards extends along the side direction of the top ends of the straight sides; the rectangular triangle permanent magnets at the periphery of the stator are fixed at an equal angle; the bottom of the stator rectangular triangle permanent magnet is provided with a reinforcement balance magnet; the rotor is fixed at the peripheries of rotors spaced at 60 degrees by a rectangular triangle magnet with the width of 60 degrees; slope surfaces of the stator rectangular triangle magnet and the rotor rectangular triangle magnet mutually repel because of same magnetic poles. The invention is suitable for being used as a power source of an engine, an autocar, a ship, a train and aerospaceplane.

The invention belongs to the field of motors, and relates to a disc-type permanent magnet motor rotor. A permanent magnet is generally fixed on a motor metal magnetism baffle plate of the conventional disc-type permanent magnet motor by adopting adhesive, and the connection mode greatly affects the improvement on power density, efficiency and using reliability of the motor. In order to overcome the defects of the conventional disc-type permanent magnet motor, the invention provides a disc-type permanent magnet motor rotor structure. For solving the technical problems, the invention adopts the technical scheme that the permanent magnet is fixed on the motor metal magnetism baffle plate by adopting press blocks and screws so that the permanent magnet is fastened and connected with the motor metal magnetism baffle plate, the connection reliability is greatly increased and the power density and efficiency of the motor are improved. The disc-type permanent magnet motor rotor consists of a motor rotating shaft assembly and a rotor disc assembly. The motor rotating shaft assembly consists of a motor rotating shaft and fixing nuts. The rotor disc assembly consists of the motor metal magnetism baffle plate, the permanent magnet, the press blocks and the screws.

The invention discloses an electromagnetic type water heater and an electromagnetic resistance dual-core water heater, wherein the electromagnetic type water heater is formed by connecting a double-wall or sleeve or box-shaped magnetism-conductive water discharge body, a resonance coil and an integrated controller by virtue of power lines; and the electromagnetic resistance dual-core water heater is formed by connecting the water inlet of a resistance water heater and the water outlet of the electromagnetic type water heater, or placing the resistance water heater in the electromagnetic type water heater to be connected with and the integrated controller by virtue of power lines. For the electromagnetic type water heater and the electromagnetic resistance dual-core water heater, the magnetic energy in various directions of an electromagnetic field are scientifically utilized so that the energy efficiency is improved, and heat insulation is carried out on the resonance coil and the integrated controller by utilizing a heat insulation material and temperature difference of cold and hot water, and a dual-core simple and reliable technical structure in which a low-middle temperature zone is heated by electromagnetic energy and a mid-high temperature zone is subjected to resistance heating is adopted, thereby efficiently solving the problems that the resonance coil and the integrated controller are low in energy efficiency, low in hot water temperature, high in cost and the like, and can be easily damaged due to overheat. The electromagnetic type water heater and the electromagnetic resistance dual-core water heater have the obvious beneficial effects that the energy consumption is low, the cost is low, energy is saved, the hot water temperature is high, and more applications can be met.

The invention discloses a light wall climbing robot. The light wall climbing robot comprises a robot body; the robot body comprises a shell, a baseplate, a driving device, absorbing units and / or holders and / or universal wheels; the shell is connected with the baseplate; the driving device is arranged on an inner side panel of the baseplate; the absorbing units are arranged on an outer side panel of the baseplate; the universal wheels are arranged on the outer side panel of the baseplate; and the holders are arranged on the top surface of the shell. The robot effectively improves the utilization rate of magnetic energy by adopting the mode of arranging the absorbing units on two sides of a driving wheel, and can freely move and steer on a horizontal wall surface, a vertical wall surface or a magnetic conducting wall surface with obstacles; meanwhile, the machining weight and the machining difficulty of a main body of the robot are reduced; and a detecting method adopting the light wall climbing robot can greatly improve the detecting efficiency of objects in containers and the detecting effectiveness. The invention further discloses the detecting method of the light wall climbing robot; and the method can effectively improve the detecting efficiency of the objects in the containers and the detecting effectiveness.

The invention discloses an electromagnetic rotary vibration energy collector which comprises a coil device, a magnetic conductive device, a friction pendulum device, a bearing device and a management circuit. The coil device comprises an insulating frame and a coil winding, and the coil winding is wound on four supports of the insulating frame; the magnetic conductive device comprises a fixing ring, a magnetic ring, magnetic conductive sheets and a magnetic conductive ring, the magnetic ring is embedded into the inner side of the fixing ring, the magnetic conductive sheets are embedded into the outer sides of the four supports of the insulating frame, and the magnetic conductive ring is embedded into the inner side of the sleeve of the insulating frame; the bearing device comprises a rotating shaft, a shell, a bearing and a base, the rotating shaft is fixed in the center of the shell, the bearing is fixed inside a sleeve of the base, and the insulating frame is fixed outside the sleeve of the base; the friction pendulum device comprises a fan-shaped counter weight; the fan-shaped counter weight is fixed on the outer side of the shell; the management circuit comprises diodes and a voltage stabilizing capacitor, and the four diodes form a full-bridge rectification circuit with four pins. According to the invention, the interference signal is small and the power density is high.

The invention discloses a dual-stator claw-pole axial flux permanent magnet vernier motor, which includes an outer stator, a rotor, and an outer stator arranged axially in sequence, and is characterized in that: the two outer stators have the same structure, the two outer stators are provided with claw pole type modulation teeth, three-phase windings are wound on the stator slots, the claw pole type modulation teeth on the two outer stators are arranged opposite to each other, an air gap is arranged between the two sides of the rotor and the two outer stators, rotor permanent magnets are arranged on the rotor, and a certain angle beta is staggered between the two outer stator modulation teeth. The invention has the advantages of large output torque, small tooth groove torque, low torque ripple, stator tooth gathering magnetism and high permanent magnet utilization rate. Compared with the traditional axial flux motor, the power density is higher, the air gap flux density is higher, andthe efficiency is higher.

A permanent-magnet brushless direct-current hub motor having high efficiency and low material loss for an electric vehicle comprises a stator assembly and a rotor assembly, wherein the stator assembly comprises a fixed support and a stacked stator steel sheet, the stacked stator steel sheet is formed by laminating a plurality of silicon steel sheets and comprises tooth parts and a tooth groove part, the tooth part comprise tooth ribs and a tooth yoke, the tooth groove part is composed of a semi-closing inner cavity formed between every two tooth parts, a single silicon steel sheet is provided with an automatic-buckling groove, the tooth groove part is of a semi-closing pear-shaped groove structure, a first Hall groove, a second Hall groove and a third Hall groove are arranged on the stacked stator steel sheet, and the stator assembly comprises a rim arranged at the periphery, a magnetic conduction ring and a plurality of magnetic steel sheets. By the permanent-magnet brushless direct-current hub motor, the pole groove ratio is optimized, the performance is improved, the usage of magnetic steel and an enameled wire is reduced, cost is saved, the installation positions of the Hall grooves and the winding mode are optimized, the production efficiency is improved, and the installation accuracy is enhanced.

A multifunctional fuel magnetizer comprises an end cover, an outer barrel, an outer barrel rear cover and a magnetizing device arranged in the outer barrel; the upper end of the magnetizing device isconnected to the end cover through a core cover connecting body; the lower end of the magnetizing device is tightly pressed into the outer barrel through a core body rear cover; the magnetizing devicecomprises a central screw, a magnetic energy core body, a magnetic permeable core body tube and a core body protection sleeve which are sequentially connected from inside to outside in a nesting mode; a cavity between the core body protection sleeve and the outer barrel forms a dirt intercepting cavity; the magnetic permeable core body tube and the core body protection sleeve are in close fit andare magnetically permeable; and the outer surface of the magnetic permeable core body tube is provided with a groove which is repeatedly circuitous up and down, and a magnetizing cavity is formed. Apermanent magnet ring body is isolated from fuel, the permanent magnet ring body is effectively prevented from being corroded by the fuel, the large-sized permanent magnet ring body can be arranged, the fuel passes through the magnetizing cavity and is repeatedly cut through magnetic lines of force, the oil channel passing cross-sectional area is adjusted by controlling the depth and width of thegroove, the fluid flow rate is increased, and the high magnetic strength and high flow rate are both achieved, so that the best magnetizing effect and combustion effect are achieved.

The invention relates to the technical field of industrial robots, and discloses a wheel type permanent magnetic adsorption device. The device comprises an annular neodymium iron boron permanent magnet, an outer silicon steel magnetic conductive yoke, an inner silicon steel magnetic conductive yoke and a positioning sleeve, wherein one end of the positioning sleeve sleeves the outer circle of the center of the outer silicon steel magnetic conductive yoke, and the other end of the positioning sleeve sleeves the outer circle of the center position of the inner silicon steel magnetic conductive yoke; the annular neodymium iron boron permanent magnet is embedded in the groove between the outer silicon steel magnetic conductive yoke and the inner silicon steel magnetic conductive yoke; the outer silicon steel magnetic conductive yoke and a magnetic wheel driving shaft are fixed together through a bolt at the tail end of a driving shaft; and the outer silicon steel magnetic conductive yoke and the inner silicon steel magnetic conductive yoke are fixed and screwed respectively by threaded holes in side faces of the outer and inner silicon steel magnetic conductive yoke to form a sandwich structure. The wheel type permanent magnetic adsorption device adopts the sandwich structure, has relatively small size and light weight, and is convenient to assemble and disassemble, permanent magnets with different magnetisms can be replaced easily, and the magnetic wheel can be prevented from sliding in the rotating process, so that the coaxiality is ensured, the dislocation phenomenon cannot happen, and the assembly can be easily implemented.

The invention relates to an inverse proportion pressure reduction electromagnetic valve of a stop iron and pole shoe integrated spherical piston structure. The inverse proportion pressure reduction electromagnetic valve comprises yoke iron, a gasket, a main spring, an armature, a connector, a film, a lower magnetic circuit board, a valve body, a piston, a reset spring, a valve seat, a coil and stop iron. The inverse proportion decompression electromagnetic valve of the stop iron and pole shoe integrated spherical piston structure is high in adjusting precision, small in pressure fluctuation, long in service life, high in anti-pollution capacity and good in manufacturing manufacturability.

The invention relates to the technical field of magnetic separation equipment, in particular to a horizontal magnetic field type vertical-ring high gradient magnetic separator. The horizontal magneticfield type vertical-ring high gradient magnetic separator comprises a rack, a separation ring, a magnetic system, an exciting coil surrounding the magnetic system, a drive mechanism used for drivingthe separation ring to rotate, a feeding device, a flushing device and a receiving device, wherein separation space is formed in the magnetic system, and the separation ring is arranged in the separation space; a background magnetic field with magnetic field intensity uniformly distributed in the direction of separation height is formed in the separation space by cooperation of the exciting coil and the magnetic system, the separation ring rotates to pass the separation space to change magnetic field distribution of the separation space, and an induced magnetic field in horizontal magnetic field direction and with the magnetic field intensity changing in the direction of separation height is formed in the separation space. By designing the separation ring structure under the condition thatpower consumption is not added, high-low collocation of the magnetic field intensity in the direction of separation height is formed, the separation effect is improved, the magnetic energy use ratiois increased, magnetic medium blockage caused by magnetization agglomeration of magnetic minerals is reduced, and follow-up back flush unloading work is facilitated.

The invention relates to an overflow direct proportion pressure reduction electromagnetic valve with a locking function of a deep hole stop iron structure. The overflow direct proportion pressure reduction electromagnetic valve comprises yoke iron, a spring, a film, armature iron, a gasket, a bearing, an ejector rod, an O-shaped ring, a valve seat, an outlet filter screen, a mounting valve body, a ball valve seat, a ball valve body, a steel ball, a valve body, a coil, stop iron and a connector assembly. The overflow direct proportion pressure reduction electromagnetic valve with the locking function of the deep hole stop iron structure is high in pressure adjusting precision, small in pressure fluctuation, long in service life, good in anti-pollution capacity and good in manufacturing manufacturability.

The invention relates to an electric permanent magnetic coupler. The electric permanent magnetic coupler is composed of a conductor rotor, an electric permanent magnetic rotor and a telescoping electrode mechanism. The conductor rotor wraps the radial face and the circumferential surface, the conductor rotor is formed in a way that a high-permeability layer is attached to a high-conductivity layer, the high-conductivity layer faces the electric permanent magnetic rotor, and the high-permeability layer is arranged outside the high-conductivity layer; the electric permanent magnetic rotor comprises a diamagnetic substrate, the diamagnetic substrate is provided with a high-coercivity main permanent magnet and a low-coercivity electric permanent magnet which are arranged at an interval, and the main permanent magnet is connected with the electric permanent magnet through a magnetizer; the electric permanent magnet is wrapped by a magnetizing coil, and two ends of the magnetizing coil are respectively connected with two conducting rings; and the telescoping electrode mechanism comprises an electromagnetic system and a contact system which is contacted with the conducting rings. The electric permanent magnetic coupler is convenient to process, assemble, transport and install, and a motor does not need to be moved backwards.

The invention discloses a stator core forming method. The method comprises a step of processing an iron core inner ring part of a stator core, wherein a first chamfer is set at a notch of an iron coreinner ring groove on the iron core inner ring part, a step of processing an iron core main body part of the stator iron core, wherein the iron core main body part sleeves the iron core inner ring part, and a step of processing an iron core outer ring part of the stator core, wherein the iron core outer ring part sleeves the iron core main body part, and a second chamfer is set at a notch of an iron core outer ring groove on the iron core outer ring part. According to the invention, the iron core inner ring part of the stator core, the iron core main body part of the stator iron core and the iron core outer ring part are orderly processed, a stator groove is formed by the iron core outer ring groove, the iron core inner ring groove, the iron core inner ring groove and an iron core main body groove, the first chamfer is set at the notch of the iron core inner ring groove, the second chamfer is set at the notch of the iron core outer ring groove, the avoidance of a sharp corner at that place is not needed, long end parts are not required by coils at the notches of the iron core inner ring groove and the iron core outer ring groove, therefore, assembly inner holes are increased, and the utilization of a copper wire is improved.

The invention discloses an energy storage magnetic force driving method, characterized by including: 1) setting a stable magnet stored with magnetic energy made of permanent magnet materials; 2) setting a magnet piston with opposite polarity, wherein the stable magnet drives the piston to descend; 3) setting a movable magnet causing the repulsive magnetic field to change and obstruct the original magnetic field; 4) causing the movable magnet to move into the inside of the repulsive magnetic field or changing the polarity of the magnetic field, causing the repulsive magnetic field to change, driving the magnet piston to go upward; 5) causing the movable magnet to move to the outside of the repulsive magnetic field or recover the polarity of the magnetic field, driving the magnet piston to go downward; 6) repeating the steps 4)-5), under the action of the alternating magnetic field, causing the magnet piston to repeat the circulating motion of descending and ascending, to convert the magnetic energy into the mechanical energy. The invention also discloses an energy storage magnetic motor for realizing thereof, which has the advantages of simple structure, no noise, large moment, high magnetic energy availability and environmental protection and the like.

The invention relates to a stop iron and pole shoe integrated overflow type inverse proportion decompression electromagnetic valve with an unloading function. The stop iron and pole shoe integrated overflow type inverse proportion decompression electromagnetic valve comprises an adjusting screw, a gasket, stop iron, a film, an armature, a valve body, a bearing, an ejector rod, a valve seat, a steel ball, a ball valve body, a mounting valve body, an outlet filter screen, a ball valve seat, an inlet filter screen, an O-shaped ring, a coil, an adjusting spring, yoke iron and a connector. The stop iron and pole shoe integrated overflow type inverse proportion decompression electromagnetic valve with the unloading function is high in adjusting precision, small in pressure fluctuation, long in service life, good in anti-pollution capacity and good in manufacturing manufacturability.