29 results about "Magnetic insulation" patented technology

In various embodiments of the invention, a cooled nuclear magnetic resonance (NMR) probe can utilize a sliding band capacitor which can be moved relative to a parent coil inner conductance tapered skirt to adjust the frequency of the parent coil to allow the parent coil to detect the resonance of at least two nuclei without requiring leads between the parent coil and a lock coil. In this manner a cooled NMR probe can be provided without the disadvantages of prior art cooled NMR probes. In an embodiment of the invention, the sliding band capacitor comprises a diamagnetic insulator with a first volume magnetic susceptibility, at least one paramagnetic metal with a second volume magnetic susceptibility and at least one diamagnetic metal with a third volume magnetic susceptibility, where the sum of the first volume magnetic susceptibility, the second volume magnetic susceptibility and the third volume magnetic susceptibility is approximately zero.

The invention relates to a magnetic attraction insulation shield capable of being installed without power cut, which comprises a shell, the shell comprises a left shell and a right shell, the top end of the left shell is connected with the top end of the right shell, the upper parts of the left shell and the right shell are respectively provided with a connecting buckle, the connecting buckles are fixed on the surface of the left shell or the right shell, a connecting rope is also arranged above the shell, and the connecting rope is connected with the left shell and the right shell. One end of the connecting rope is connected with the connecting buckle on the surface of the left shell, the other end of the connecting rope is connected to the connecting buckle on the surface of the right shell, and the shells, the connecting buckles and the connecting rope are all made of insulating materials. The magnetic attraction insulation shield installed in an electrified mode is convenient and easy to install and high in efficiency.

The invention discloses a method for improving corrosion resistance of a pure aluminum surface in a NaCl solution, and relates to the technical field of high-current pulsed ion beams, an experiment is carried out on a TEMP-6 type HIPIB device, and a polymer anode unipolar pulse mode external magnetic insulation ion diode is adopted to generate 70% C and 30% H ion beams for an irradiation experiment; the ion beam parameters are as follows: the acceleration voltage is 300kV, the pulse width is 70-80ns, the beam density is 100A / cm < 2 >, the irradiation frequency is five times, and the background vacuum degree of a vacuum chamber during irradiation is 10 <-3 > Pa.

The utility model provides a magnetizing device. The magnetizing device comprises an insulator, a plurality of magnetic conductive iron cores and a plurality of coils, the insulator is cylindrical; the magnetic conductive iron cores are arranged on the insulator in a sleeving mode and distributed in the first direction. A containing cavity is formed between every two adjacent magnetic conductive iron cores. A product to be magnetized is sleeved on the magnetic conductive iron core; the first direction is the axis direction of the insulator; a group of coils are arranged in each accommodating cavity; the winding directions of two adjacent groups of coils are opposite, and a non-magnetic insulating material is filled between the coils and the magnetic iron core. In the application, each group of coils form a reverse magnetic field, magnetic lines of force form a radial magnetic field along the circumferential radial direction through each layer of magnetic conductive iron cores, and are arranged along the axial direction, so that a plurality of radial radiation rings with alternating N-S poles are formed at one time, and the number of radial radiation magnetic poles is equal to the number of layers of magnetic conductive iron cores. The magnetizing device not only can magnetize a plurality of to-be-magnetized products at the same time, but also is not limited by the length size of the to-be-magnetized products, and the magnetizing efficiency of the to-be-magnetized products is improved.

The present disclosure relates to magnetic devices such as magnetic transistors and magnetic memories that are regulated by magnetic spin transfer torque. According to one embodiment, a magnetic device based on magnetic spin transfer torque can include a first spin Hall effect layer, a first ferromagnetic insulating layer formed on the first spin Hall effect layer, an anti-ferromagnetic insulating layer formed on the first ferromagnetic insulating layer, a second ferromagnetic insulating layer formed on the anti-ferromagnetic insulating layer, and a second spin Hall effect layer formed on the second ferromagnetic insulating layer.

The utility model discloses a label production printing device which comprises a base, a vertical plate is fixed to the outer wall of the top of the base, a first driving motor is fixed to the outer wall of one side of the vertical plate, the output end of the first driving motor is connected with a first conveying roller through a coupler, and an elastic piece is installed on the outer wall of the top of the base and comprises an installation shell and a sliding rod. The mounting shell is fixed to the outer wall of the top of the base, the sliding rods are movably connected to the inner wall of a through hole formed in the top of the mounting shell, permanent magnets are fixed to the bottoms of the sliding rods, electromagnets are fixed to the inner wall of the bottom of the mounting shell, magnetic insulation springs are fixed between the tops of the electromagnets and the bottoms of the permanent magnets, and supporting roller pieces are mounted at the tops of the two sliding rods. Through the elastic force of the magnetic insulation spring in the elastic piece and the repulsive force generated by electrification of the electromagnet, the supporting roller piece and the first conveying roller are tightly attached, the friction force between the supporting roller piece and the first conveying roller is improved, the stability and reliability of conveying of printed label paper are ensured, and the problem of label paper accumulation is effectively avoided.

The application provides a multi-terminal alternating permanent magnet one-way driving device and a control method, and belongs to the technical field of permanent magnet driving. The device comprises an A terminal and a B terminal, and rotors, intermittent stators, magnetic insulation layers, electromagnetic clutches and one-way rotation mechanisms are arranged at the two terminals respectively. The magnetic insulation layers selectively block or conduct the magnetic flux path, and the dynamic coupling and decoupling of the electromagnetic clutches are combined to realize the alternating working mode of the double rotors. The control system corrects the phase difference of the rotors in real time through a phase compensator and a Hall sensor, and ensures continuous power output. The application solves the problems of low magnetic energy conversion efficiency, discontinuous motion and dead point of the existing permanent magnet driving device, has the advantages of high efficiency, energy saving, stable output, modular expansion and the like, and is suitable for new energy vehicles, industrial transmission and grid-connected and off-grid power generation scenes.

The application discloses a magnet shielding cabin for reducing power consumption and cost of a magnetohydrodynamic propeller. The application comprises a cabin body and magnet grooves and electrode grooves arranged on the cabin body, a fluid channel is arranged in the cabin body and penetrates through both ends of the cabin body, the magnet grooves and the electrode grooves are alternately and spacedly arranged and are arranged around the cabin wall of the cabin body, the magnet grooves are used for placing magnet elements, and the electrode grooves are used for placing electrodes, and a magnetic insulation layer is arranged on the side surface of the magnet groove.

A differential and common mode magnetic ring filter comprises a base, a magnetic core, a soft magnetic insulation partition plate, a coil and PINs. The soft magnetic insulation partition plate is arranged in the center of the base, meanwhile, the magnetic core is located in the center of the soft magnetic insulation partition plate, and the coil is wound around the magnetic core. A magnetic partition plate is arranged in the center of the soft magnetic insulation partition plate and is used for insulation; pINs are arranged at the four corners of the bottom of the soft magnetic insulation partition plate. According to the differential-mode and common-mode magnetic ring filter, the electromagnetic partition plate is designed in the magnetic core, the insulation performance of the partition plate is ensured, and the filter can pass a high-voltage test, so that the differential-mode inductance value is improved, and the effect is better when an EMI (Electro-Magnetic Interference) test is carried out.

The invention provides a magnetic tunnel junction. The magnetic tunnel junction comprises a reference layer, a barrier layer and a free layer which are arranged in sequence, wherein the reference layer and the free layer are formed by staggered magnets, the included angle between the first crystal orientation of the staggered magnets and the tunneling direction is a first acute angle, and the reference layer and the free layer have local non-zero spin polarization in transverse momentum distribution obtained after integration in the inverted space momentum direction of the first crystal orientation. The average spin polarization on the transverse momentum distribution is zero; the barrier layer is made of a non-magnetic insulating material, the included angle between the second crystal orientation of the non-magnetic insulating material and the tunneling direction is a second acute angle, and the non-magnetic insulating material of the second crystal orientation and the staggered magnets of the first crystal orientation achieve lattice matching. According to the magnetic tunnel junction and the magnetic storage unit provided by the invention, the relatively high tunneling magnetoresistance effect of the staggered magnets under the specific crystal orientation can be utilized to ensure that the manufactured magnetic tunnel junction has a relatively large read window, and meanwhile, the characteristic that the magnetic tunnel junction does not express net magnetic moment to the outside can be utilized to avoid interference of an external magnetic field.

The invention discloses a permanent magnet packaging plane magnetic insulation oscillator and an electromagnetic wave generation method, and solves the problem of low efficiency of an existing magnetic insulation line oscillator. The permanent magnet packaging plane magnetic insulation oscillator specifically comprises an anode rectangular cylinder, a cylindrical permanent magnet arranged on the periphery of the anode rectangular cylinder, a plane cathode arranged in the anode rectangular cylinder, a non-uniform diffuse wave structure and a stepped load; the pulse driving source is arranged outside the cylindrical permanent magnet; the two ends of the anode rectangular cylinder are open, and the anode rectangular cylinder is electrically connected with the anode of the pulse driving source; the planar cathode and the stepped load are sequentially arranged in the rectangular anode cylinder in the z-axis direction, and a microwave energy extraction gap is formed between the planar cathode and the stepped load; the planar cathode is suspended in the middle of the anode rectangular cylinder and is electrically connected with the cathode of the pulse driving source; the two side faces of the stepped load in the x direction are connected with the corresponding inner walls of the anode rectangular cylinder. The non-uniform diffuse wave structure is arranged above the planar cathode and the stepped load; the permanent magnets are used for providing guide magnetic fields for electromagnetic waves.

An inductor component includes an element body, a coil in the element body, and a non-magnetic insulation layer covering at least part of the coil. The element body includes first and second magnetic layers laminated in order in a first direction. The coil includes a small-turn inductor wiring of 0.5 or less turns extending along a plane orthogonal to the first direction between the first and second magnetic layers. In a first cross-section orthogonal to an extending direction of the small-turn inductor wiring, the small-turn inductor wiring has a top surface facing in the first direction, a bottom surface facing in a second direction opposite from the first direction, a first side surface facing in a third direction orthogonal to the first direction, and a second side surface facing in a fourth direction opposite from the third direction.

The invention discloses a magnetic conductive insulating rod for an induction coil of an intermediate frequency furnace in the technical field of induction materials of the intermediate frequency furnace. The magnetic conductive insulating rod comprises 77-86.5 wt% of nickel zinc ferrite magnetic powder; 10 to 15 wt% of fumed silica powder; 1 to 5 wt% of mica fine powder; 0.001 to 0.005 wt% of a modified glass fiber; 0.5 to 3 wt% of polyimide; the magnetic conductive insulating rod for the intermediate frequency furnace induction coil is high in mechanical strength, has magnetic conductivity, can improve the overall magnetic induction efficiency of the induction coil, and has a certain energy-saving effect.

The invention relates to the field of brushless motors, and discloses a brushless motor based on a composite magnetic circuit and multi-channel cooling and a manufacturing method thereof.The brushless motor comprises a shell, the inner wall of the shell is fixedly connected with a heat dissipation shell, the inner wall of the shell is provided with a composite magnetic circuit structure, the inner wall of the composite magnetic circuit structure is connected with a winding, and the winding is arranged in the shell. A first rotating shaft is arranged on the inner wall of the winding, the outer wall of the first rotating shaft is rotationally connected to the interior of the heat dissipation shell, a main heat dissipation wheel is fixedly connected to the outer wall of the first rotating shaft, a first circular gear is fixedly connected to the outer wall of the first rotating shaft, a heat conduction mechanism is arranged at the tooth end of the first circular gear, and a heat dissipation mechanism is arranged on the outer wall of the shell. The problems of demagnetization, insulation material aging and the like caused by long-term high temperature of the composite magnetic circuit structure are relieved through heat dissipation in the heat conduction mechanism, heat dissipation is conducted from the outside through the heat dissipation mechanism, a multi-path heat dissipation channel is formed, cooling liquid is promoted to evenly flow through all areas of the shell, local heat accumulation is avoided, and the overall heat dissipation efficiency is improved.

The invention relates to the technical field of fault detection, in particular to a rail overhead line system fault detection device. According to the technical scheme, the sag detection assembly comprises a supporting plate, the inner wall of the supporting plate is in sliding connection with two symmetrically-arranged deviation sliding blocks, a friction deviation plate is connected between the two deviation sliding blocks in an up-down sliding mode, and a bimetallic coil spring is fixedly installed in the supporting plate. The bimetal coil spring is affected by the environment temperature, so that the bimetal coil spring expands with heat and contracts with cold, the bimetal coil spring adjusts the position of a magnetic insulation block through a shifting piece so as to adjust the magnetic attraction area of a magnet to an iron block, the extension length of a hydraulic telescopic rod is changed, the height of a friction offset plate is adjusted, and the friction offset plate can be adjusted at different temperatures. The drooping degrees of normal contact network wires are different, the detection height is adjusted according to the environment temperature, and misjudgment caused by the temperature influence on the drooping degree detection result is avoided.

The utility model relates to an electronic product support which comprises a supporting piece, a connecting piece and a connecting layer, the connecting piece is connected to the supporting piece through the connecting layer, and the supporting piece is connected with an electronic product or an electronic product protective shell through the connecting piece. When the electronic product is wirelessly charged, the supporting piece is positioned between the electronic product and the wireless charger; the supporting piece comprises a magnetic insulation main body and a magnetic piece arranged on the magnetic insulation main body, and the wireless charger is adsorbed on the magnetic insulation main body through the magnetic piece; the magnetic insulation main body comprises a connecting piece installation part, and the connecting piece is connected to the connecting piece installation part through a connecting layer. According to the electronic product support, the wireless charger can be attracted through the magnetic piece on the supporting piece, the requirement that a user plays while charging is met, and electronic equipment can be normally used during wireless charging; meanwhile, during wireless charging, when the magnetic insulation body is subjected to the magnetic force effect of a magnetic field, the original magnetic field cannot be affected, and the influence of the supporting piece on wireless charging transmission can be effectively reduced.

A stator includes a core and a molded midsection arranged to define a plurality of slots. The stator also includes a plurality of conductors wound within the slots. Portions of the midsection immediately adjacent to the slots include magnetic insulator embedded therein. The magnetic insulator is electrically insulating and has ferrimagnetic ordering. The stator further includes a plurality of non-magnetic wedges disposed between the conductors and an inner diameter surface of the stator.

The application provides a multi-path LTD parallel device for generating pulse large current, and aims at solving the technical problems of low energy transmission efficiency of the existing pulse large current generating device, incapability of driving high-voltage insulation stack of more than two layers by single-layer uniform distribution LTD pulse source, complex transition and conversion structure of coaxial output line and insulation stack, and inconvenient maintenance, etc. The multi-path LTD parallel device adopts impedance-matched coaxial output line and horizontal three-plate transmission line to realize multi-path electric pulse transmission, and deionized water insulation is adopted for the LTD secondary transmission line, the coaxial output line and the horizontal three-plate transmission line; through the staggered arrangement of the horizontal three-plate transmission line in the central gathering pool, the multi-layer high-voltage insulation stack of double-layer or four-layer structure can be driven under the condition of single-layer circumferential radial layout of the LTD pulse source; and then the pulse large current is transmitted and gathered to the physical load through the disc cone vacuum magnetic insulation transmission line on the vacuum side of the multi-layer high-voltage insulation stack.

The invention discloses a negative polarity coaxial diode and a strong pulse ion beam generation method, and solves the problems that the ion beam generation efficiency of an existing ion beam diode is low, and the generation requirement of a high-energy and large-current strong pulse ion beam is difficult to meet, and the negative polarity coaxial diode specifically comprises a diode anode unit, a diode cathode unit and an ion beam forward transmission unit; the diode anode unit is used for being connected with a magnetic insulation transmission line outer cylinder of an external pulse power device; the diode cathode unit is arranged in the diode anode unit and is used for being connected with a magnetic insulation transmission line inner cylinder of an external pulse power device; and the ion beam forward transmission unit is arranged in the diode cathode unit and is electrically connected with the diode cathode unit.

An inductor component includes an element body, a coil in the element body, and a non-magnetic insulation layer covering at least part of the coil. The element body includes first and second magnetic layers laminated in order in a first direction. The coil includes a small-turn inductor wiring of 0.5 or less turns extending along a plane orthogonal to the first direction between the first and second magnetic layers. In a first cross-section orthogonal to an extending direction of the small-turn inductor wiring, the small-turn inductor wiring has a top surface facing in the first direction, a bottom surface facing in a second direction opposite from the first direction, a first side surface facing in a third direction orthogonal to the first direction, and a second side surface facing in a fourth direction opposite from the third direction.

The invention relates to the field of sensor processing, in particular to a sensor magnetic insulation package, a magnetic jig, a soft magnetic take-up and pay-off device and an assembly technology.The temperature sensor adopts ceramic magnetic insulation package and is formed through high-temperature sintering, so that ceramic has the performance of a magnet, and the mechanical strength and good insulation strength of original ceramic are kept; the production requirements are further met; a magnetic field is used as micro driving force and applied to full-automatic production of precise and fine electronic raw devices, a soft magnetic collecting and releasing device is additionally arranged on a mechanical arm, and the purposes of automatic correction guiding, automatic material clamping, automatic material releasing, automatic packaging and automatic positioning are achieved through mutual cooperation with magnetic field acting force among a jig and magnetic insulation packaging. The poor quality caused by uncontrollable factors of a traditional sensor production process is reduced, the production process is simplified, and automatic assembly of magnetic insulation packaging and sensor shell pouring sealant filling is achieved.

The application relates to a magnetic shielding dynamic degaussing simulation analysis method, an optimization method and a medium, wherein the simulation analysis method comprises the following steps: constructing a three-dimensional finite element model of a magnetic shielding structure, an internal air domain and an external infinite air domain; applying a magnetic insulation boundary condition to the outer surface of the external infinite air domain, and applying a constant geomagnetic bias field as a global static background field; applying a periodic alternating and exponentially decaying degaussing excitation to the magnetic shielding structure; under the degaussing excitation, based on a dynamic magnetization model, a multi-cycle step iteration and transient separation solving strategy is adopted to solve the dynamic evolution process of the magnetization intensity of the magnetic shielding material; after the degaussing excitation ends, the residual magnetization intensity distribution of the magnetic shielding material is determined, and the residual magnetic field distribution of the internal air domain is obtained based on the residual magnetization intensity distribution, so that the prediction accuracy and efficiency of the residual magnetic field are improved.

A detection device detects an antibody in a sample containing a magnetic insulator and includes a pipe-shaped channel through which the sample flows. The channel includes a main body portion having an insulation property, and a conductor provided at a part of a cross-sectional surface perpendicular to a flow direction. The main body portion is provided with an opposing portion opposed to the conductor. A measurement unit that measures at least any of a current and a voltage at the conductor, and a temperature control unit that causes a temperature difference between the conductor side of the channel and the opposing portion side of the channel are further provided.

The invention relates to the technical field of cables, in particular to a four-layer shielding high-anti-interference automobile radio frequency coaxial cable and a preparation process thereof, and the cable sequentially comprises a central conductor, an insulating layer, a first metal composite belt layer, an oxygen-free copper wire braid layer, a second metal composite belt layer, a magnetic conductive insulating inner sheath layer and an outer sheath from outside to inside. A reflection loss and absorption loss mechanism is comprehensively applied through a four-layer composite shielding structure, the two layers of metal composite belts and the middle braid layer form efficient electric shielding, and high-frequency electromagnetic interference is remarkably restrained; and the outermost magnetic conductive insulating inner sheath is specially used for absorbing low-frequency magnetic field interference, so that the shielding effectiveness of the cable in a broadband range of 10MHz to 6GHz is stabilized to be more than 90dB, and the signal integrity of an automobile in a complex electromagnetic environment is comprehensively guaranteed.

The invention discloses an electronic equipment bracket, which is characterized in that a magnetic insulation bracket main body of the electronic equipment bracket at least wraps and fixes two surfaces of a first magnetic part in the thickness direction of the first magnetic part; the risk that the first magnetic part is separated from the magnetic insulation support main body due to the fact that the magnetic insulation support main body is subjected to external force in the thickness direction of the first magnetic part can be avoided or reduced, so that the structure of the electronic equipment support can be kept stable, and the service life of the electronic equipment support is prolonged. When the first magnetic part is utilized to attract the charging accessory to wirelessly charge the electronic equipment, the influence of the magnetic insulation support body on a magnetic field is smaller, the wireless charging process can be more stable, and high charging efficiency can be maintained. The electronic equipment accessory comprises a shell body and the electronic equipment support, the electronic equipment support is rotatably connected with the shell body, and the shell body is used for being detachably connected with the electronic equipment.

The utility model relates to a large-scale pulse power device, and provides an inner cylinder connecting structure for a secondary magnetic insulation transmission line, which aims to solve the problems that the existing transmission line structure is low in coaxiality and collimation, cannot ensure the efficient transmission of high-voltage electric pulses and the like, and comprises a connecting cover ring, a blind plate and a plurality of axial fixing bolts, the connecting cover ring comprises an upper half-moon-shaped cover plate and a lower half-moon-shaped cover plate, a plurality of screw holes are formed in the circumferential surfaces of the outer sides of the upper half-moon-shaped cover plate and the lower half-moon-shaped cover plate, and the upper half-moon-shaped cover plate and the lower half-moon-shaped cover plate are in butt joint with each other and fixedly connect the connecting ends of the two adjacent transmission line inner cylinders through radial screws in the plurality of screw holes; blind plates are arranged on the screw holes of the upper half-moon cover plate and the lower half-moon cover plate. A plurality of axial fixing bolts are evenly distributed on the connecting end face of the front end of each stage of transmission line inner cylinder in the circumferential direction of the connecting end face, the multiple axial fixing bolts are used for fixedly connecting the connecting ends of two adjacent transmission line inner cylinders in the axial direction, and the coaxiality between the multiple stages of transmission line inner cylinders is ensured.

This invention discloses a rapid detection system and method for hollow areas in building facades based on computer vision. The detection system includes a magnetic insulation layer, an unmanned aerial vehicle (UAV)-borne electromagnetic detection module, a visualization thermal mapping module, and a computer vision module. The detection method includes magnetic induction intensity detection, magnetic induction intensity data processing, visualization analysis, computer vision recognition, and model self-optimization. By introducing a magnetic tracer medium into the building facade insulation layer and using a high-sensitivity magnetic sensor to collect magnetic induction intensity data in real time, the changes in magnetic induction intensity caused by minute hollow areas can be accurately captured. By using a convolutional neural network model to automatically extract key parameters such as the location, area, and degree of hollowness of the hollow areas from the visualization thermal map, the invention overcomes the shortcomings of traditional methods that can only make qualitative judgments or macroscopic locations, providing accurate quantitative basis for the assessment of hollow area defects.

The present application relates to a kind of multi-parallel pulse large current device vacuum area current measurement probe calibration device and calibration method, mainly for solving the scale factor conversion method complex in existing offline calibration method, or the existing online calibration generates low pulse current amplitude, output signal signal-to-noise ratio is extremely low, it is difficult to realize signal interpretation and other technical problems.The multi-parallel pulse large current device vacuum area current measurement probe calibration device of the present application, including shell and the energy storage capacitor and gas switch being set in shell, two current measurement devices for calibrating disc cone magnetic insulation transmission line and differential ring on insulating stack respectively, and charging assembly for charging energy storage capacitor, calibration device is connected in the load side of multi-layer insulating stack-disc cone magnetic insulation transmission line by feeding tool and backflow tool;Solved the technical problem of uneven or multi-point feeding structure complexity from the outside single point of disc cone magnetic insulation transmission line.