480results about "Electromagnets" patented technology

The invention provides an energy-saving electrical equipment control cabinet, which belongs to the technical field of electric control cabinet cooling, and comprises a cabinet body, a circulating cooling assembly, a trigger cooling assembly and an electromagnetic reset assembly, the temperature sensor monitors the temperature of the cabinet body in real time and cooperates with the circulating fan and the exhaust fan to realize energy-saving heat dissipation control; the high-heat-conduction particles ensure that the high heat conduction performance can be maintained under different working conditions, even if the environment temperature or the air flowing state is changed, heat can still be transferred, and the heat dissipation effect is ensured; the trigger cooling assembly controls liquid nitrogen release according to the temperature of the cabinet body, automatically triggers liquid nitrogen cooling when the temperature rises to a certain degree, and automatically stops after the temperature is reduced, so that liquid nitrogen is prevented from being excessively used, and an expected heat dissipation effect can be achieved even if the external temperature is relatively high; liquid nitrogen and air are promoted to be fully mixed through the spiral blades, meanwhile, gas-liquid separation can be promoted, a stable low-temperature operation environment is provided for electrical equipment, and damage to the equipment due to too high temperature and moisture is reduced.

The invention belongs to the technical field of particle accelerators, and discloses a nonlinear impact magnet based on a nanocrystalline magnetic material and a matched power supply system. The nonlinear impact magnet comprises a magnetic core and a magnet exciting coil assembly, the magnetic core comprises magnetic poles and a magnetic yoke; the magnetic pole and the magnet yoke are both of a fully-symmetrical annular structure, and the magnet yoke is arranged on the periphery of the magnetic pole. The magnetic pole comprises N same magnetic pole units, N is 4, 6 or 8, and the magnetic pole is made by laminating nanocrystalline strips; and the excitation coil assembly is wound outside each magnetic pole unit. Compared with a traditional silicon steel sheet or ferrite magnetic core, the magnet provided by the invention can improve the uniformity of a magnetic field, and the magnetic pole made of the nanocrystalline strip with ultrahigh magnetic conductivity and low coercive force has stronger magnetic field uniformity and low disturbance characteristic; and the design requirement of the STCF clash ring off-axis injection system for low disturbance of the circulating beam bunch can be better met.

The invention discloses a positioning electromagnetic magnetic needle device based on permanent magnet bias and application thereof, and relates to the technical field of chip mass transfer, the positioning electromagnetic magnetic needle device comprises a magnetic field generation system and a chip transfer system, the magnetic field generation system comprises permanent magnet steel, an electrified solenoid coil, a magnetic conductive layer and a magnetic conductive magnetic needle, the electrified solenoid coil surrounds the periphery of the permanent magnet steel, and the magnetic conductive layer is arranged on the periphery of the chip transfer system; the magnetic conductive layer is arranged on the upper surface of the permanent magnet steel, the magnetic conductive magnetic needles are uniformly distributed on the upper surface of the magnetic conductive layer in an array manner, the chip transfer system comprises a chip transfer substrate and a plurality of LED light-emitting chips, a plurality of welding spots are arranged on the transfer substrate and correspond to the magnetic conductive magnetic needles, and the LED light-emitting chips are provided with N-type nickel-plated electrode pins and P-type electrode pins. According to the positioning electromagnetic magnetic needle device based on permanent magnet bias and the application of the positioning electromagnetic magnetic needle device, the magnetic induction density of the magnetic conductive magnetic needle is accurately regulated and controlled by means of the magnetic field which is generated by the electrified solenoid coil and is opposite to the permanent magnetic field, and accurate fixing of a chip at a welding spot position of a transfer substrate is achieved.

Disclosed is a substrate processing apparatus including chamber having defined therein a processing space for a processing of a substrate, a substrate support unit disposed in the chamber, a gas supply unit configured to supply gas to the interior of the chamber, a plasma generation unit including a high-frequency power supply configured to generate plasma in the processing space, an electromagnet unit configured to generate a magnetic field in the processing space, and a controller. The electromagnet unit includes a coil module and a ferrofluid reservoir disposed adjacent to the coil module. The substrate processing apparatus suppresses heat generation in the coil module and precisely controls a magnetic field.

The invention relates to an electric control box which is installed on a supporting platform, a first electromagnetic part and a plurality of fixing parts are arranged on the supporting platform, the electric control box comprises a supporting cylinder, a box body, a locking part, a locking part controller, a second electromagnetic part, a detection sensor and a plurality of fixing guiding parts, and the supporting cylinder is fixed to the supporting platform; the fixing pieces, the first electromagnetic piece and all the fixing pieces are arranged on the supporting platform in the supporting cylinder; the projection position of the box body is located in the projection position of the supporting cylinder, and an interval is arranged between the projection position of the outer wall of the box body and the projection position of the inner wall of the supporting cylinder. The plurality of fixed guide pieces are positioned on the periphery of the bottom of the box body, and each fixed piece penetrates through one corresponding fixed guide piece and is fixed with the locking piece; and the locking piece controller is movably connected with the locking piece. The electric control box can automatically suspend when being vibrated, so that internal elements are prevented from being damaged.

Provided are a nonmetallic sample induced magnetic field generating device and application thereof. The nonmetallic sample induced magnetic field generating device includes a sample tube, an induced magnetic field carrier, and an induced magnetic field carrier cooling system. At least part of the sample placement tube is wound around the exterior of the induced magnetic field carrier, the sample tube is configured to accommodate a nonmetallic sample and allow the nonmetallic sample in a static or continuous-flow state, the induced magnetic field carrier is configured to generate a magnetic flux, and the appropriate magnetic flux density can induce the nonmetallic sample in the sample tube to generate an induced magnetic field and an induced electric field. The measured induced magnetic field and induced electric field represent the change of physicochemical characteristics of the nonmetallic sample.

A method is provided for recycling an aerosol generating article comprising a non-liquid aerosol generating material and an inductively heatable susceptor. The method comprises a first step of shredding the aerosol generating article to break up the non-liquid aerosol material and the inductively heatable susceptor. The method comprises a second step of separating the inductively heatable susceptor and the non-liquid aerosol generating material.

The invention relates to the technical field of switch cabinets, in particular to a metal armored high-voltage switch cabinet which comprises an armored cabinet body, a placement plate is fixedly connected to the inner wall of the armored cabinet body, a handcart is arranged on the side, corresponding to the placement plate, of the interior of the armored cabinet body, and a power-on protection mechanism and a reinforcing contact mechanism are arranged between the handcart and the placement plate; the power-on protection mechanism comprises a fixing plate fixedly connected to one end of the outer side of the placing plate, telescopic holes are formed in the upper end and the lower end of the fixing plate in a penetrating mode, clamping columns are symmetrically arranged on the two sides of the inner walls of the telescopic holes, and transverse plates fixedly connected to the upper side and the lower side of one end of the inner side of the handcart are further included. Clamping grooves are formed in the ends, close to each other, of the two transverse plates; according to the invention, the cabinet door can be prevented from being opened under a power-on condition, so that electric arcs can be prevented from being generated when the moving contact box and the static contact box are separated, electric appliance elements in the armored cabinet body are protected, injury to workers can be prevented, and the safety is improved.

A position estimation apparatus includes: a supplying unit that supplies a high-frequency signal Sh to a solenoid for driving a spool of an electromagnetic valve; an acquisition unit that acquires electrical information Je related to the solenoid supplied with the high-frequency signal Sh, and an estimation unit that estimates a position of the spool based on a result of comparison between the electrical information Je acquired by the acquisition unit and the high-frequency signal Sh supplied from the supplying unit.

The utility model discloses an electromagnet with a quick response function, which comprises an electromagnet main body and a movable iron core arranged on the electromagnet main body in a sliding manner, and the movable iron core is driven by a driving assembly arranged in the electromagnet main body; a circuit box is arranged on one side of the electromagnet body, a circuit board is quickly connected into the circuit box, a resistor component and a capacitor component are fixedly arranged on the circuit board, a through hole is further formed in the circuit box, a wire matched with the through hole is arranged in the through hole, one end of the wire is electrically connected with the circuit board, and the other end of the wire is electrically connected with the circuit board. And the other end is electrically connected to the driving assembly. The electromagnet has the advantages that the electromagnet is exquisite in design and reasonable in layout, the reaction time of the electromagnet can be greatly prolonged through the circuit board, the electromagnet body does not need to be rectified and modified, time and labor are saved, cost is greatly reduced, in addition, the electromagnet is compact in structure and convenient to disassemble, replace and overhaul, work efficiency is greatly improved, and the electromagnet is suitable for popularization and application. And the method has relatively wide applicability.

The invention provides a surgical robot intraoperative positioning and navigation method, device and equipment based on anti-interference electromagnetic tracking and a computer readable storage medium. The intraoperative positioning and navigation method of the surgical robot based on anti-interference electromagnetic tracking comprises the following steps: arranging an electromagnetic generator in a surgical area, and generating a time-division multiplexing multi-band electromagnetic field; acquiring an original electromagnetic signal at the tail end of the surgical instrument through a magnetic field detection device; anti-interference filtering processing is carried out on the original electromagnetic signal, and a target instrument signal and environment noise are separated; calculating a space coordinate and an attitude angle of the surgical instrument based on the filtered signal; error compensation is carried out on the space coordinates through a multi-stage calibration module; and matching the compensated coordinate data with a preoperative medical image to generate a real-time positioning navigation path. According to the embodiment of the invention, intraoperative electromagnetic positioning navigation can be carried out in an anti-interference manner.

Magnetic coil (1) comprising a coil body (2) with a winding chamber (20) and an excitation winding (3) accommodated in the winding chamber (20), characterized in that the excitation winding (3) is wound in several layers from a square wire (30).

The invention belongs to the technical field of synchrotron radiation light sources, and discloses a serial impact magnet device which comprises a shell assembly, a positive pulse electrode, a negative pulse electrode and a strip magnet. The shell assembly comprises a shell body and a side end cover which are detachably connected, and a magnetic core space is formed between the shell body and the side end cover. The positive pulse electrodes extend into the magnetic core space and are arranged at intervals. The negative pulse electrodes extend into the magnetic core space and are arranged opposite to the positive pulse electrodes, and the multiple negative pulse electrodes are arranged at intervals. The strip magnets are arranged in the magnetic core space, the strip magnets are connected between every two adjacent positive pulse electrodes, the strip magnets are connected between every two adjacent negative pulse electrodes, and the two strip magnets are spaced from each other to form a magnetic field space. The electron beam current can be transmitted in the magnetic field space. The tandem impact magnet device can improve the compact degree and the vacuum degree, facilitates the assembly of an internal structure, and can meet the injection requirements of electron beams of a synchrotron radiation light source.

The invention relates to the technical field of precision mechanical transmission, in particular to a guide rail pair applied to a high-reliability transmission device, which comprises a stator module, a rotor module, a cooling module and a control and drive module, and is characterized in that the stator module comprises an annular track, the annular track is of a hollow structure and comprises at least two sliding blocks sleeved on the annular track; electromagnets are tightly arranged on the top, the left side and the right side of the annular track in the circumferential direction, the sliding blocks are of an n-shaped structure, permanent magnets are installed on the bottom and the two sides of each sliding block, and the control and drive module comprises a suspension and guide controller, a servo drive controller and a safety monitoring unit. Mechanical friction and abrasion are fundamentally eliminated, the theoretical service life is infinitely long, real high-reliability transmission is achieved, friction is avoided, a system can reach the extremely high rotating speed, meanwhile, vibration and hysteresis of a traditional bearing are avoided, and nano-scale movement precision can be achieved by combining closed-loop control.

The utility model discloses an electromagnetic solenoid based on composite conduction, which relates to the technical field of electrical connection and comprises a framework and a coil wound on the framework. The lug plate is fixed at one end of the framework and is used for being welded with an outgoing line of a coil; the elastic sheet is fixed at one end of the framework and is used for being electrically connected with external equipment; the elastic sheet is provided with a first contact and a welding surface, and the elastic sheet is in local extrusion contact with the lug plate through the first contact and is in local welding connection with the lug plate through the welding surface. By adopting the scheme, the wiring sheet can be prevented from circuit break failure caused by pseudo soldering and solder skips through a composite mode of combining extrusion contact conduction and welding connection conduction.

The utility model provides a suspension electromagnet convenient to install for a maglev train, which belongs to the technical field of railway vehicles and comprises a train body, a suspension frame, a guide electromagnet, a rail, a guide electromagnetic rail, a suspension rail, a suspension frame, a connecting frame, a base, a heat dissipation block, an electromagnet, a coil, a fixing frame and an insulating protective sleeve. A guide electromagnet is installed at the upper end of the inner side of the suspension frame, a guide electromagnetic rail is installed at the upper end of the side face of the rail, and a suspension rail is installed at the bottom of the rail. The suspension electromagnet is simple in structure and can be matched with the fixing frame, the electromagnet and the coil are clamped and fixed between the electromagnet and the coil, the suspension electromagnet can be conveniently and rapidly disassembled and assembled, unnecessary connecting pieces and fastening pieces are reduced through the integrated design, and the installation complexity is reduced.

The utility model discloses a magnetic field generation frame, which relates to the technical field of magnetic field generation equipment and comprises a frame body and a protection box mounted at the upper end of the frame body. A protection box is rotatably mounted at the left end of the left side of the front end of the protection box, a heat dissipation hole is formed in the right end of the protection box, a heat dissipation mechanism is arranged at the right end of the protection box, a heat dissipation shell is arranged at the right end of the protection box, and the heat dissipation shell is mounted on the outer side of the heat dissipation hole. The magnetic field generation equipment in the protection box can generate heat, the heat is dissipated through the heat dissipation holes in the two sides of the protection box, then the heat is adsorbed and dissipated by the heat conduction plate in the heat dissipation shell and conducted to the right end of the heat conduction pipe, the heat is dissipated through the electronic heat dissipation plate and the heat dissipation coating, the electronic heat dissipation plate is promoted to dissipate the heat, and the heat dissipation effect is good. Therefore, the heat in the magnetic field generating equipment can be dissipated, the heat generated in the instrument can be dissipated timely and efficiently, and the magnetic field generating equipment is ensured to work in a proper temperature environment all the time.

A method of fabricating an inductor device includes preparing a conductive coil, connecting two terminals to one of two ends of the conductive coil, molding a pillar from a plurality of first composite material powders by a pressing process where each first composite material powder is composed of a first magnetic material powder coated with a first thermosetting resin, placing the pillar in a surrounding space formed by the conductive coil, molding a cladding body from a plurality of second composite powders where the second composite material powders is composed of a second magnetic material powder coated with a second thermosetting resin, heating the cladding body, the conductive coil and the pillar cladded by the cladding body such that the plurality of first magnetic material powders are bonded by the cured first thermosetting resin and the plurality of second magnetic material powders are bonded by the cured second thermosetting resin.

The present invention discloses a multi-height programmable wireless power transmission composite suspension system, comprising: a transmitting end, the transmitting end comprising an excitation source and a transmitting coil connected in series in sequence; a suspension body, the suspension body comprising a receiving coil and an AC phase angle control unit connected in series in sequence; and a system controller connected to the excitation source and the AC control unit respectively, the system controller is used to control the excitation source to adjust the first AC current of the transmitting coil, and to control the AC phase angle control unit to adjust the second AC circuit of the receiving coil. The magnetic suspension is realized by using the force generated by the magnetic field of the transmitting coil and the receiving coil, and wireless power transmission and magnetic suspension height control are realized at the same time.

The intelligent control system comprises a three-phase thyristor rectifier bridge, a sampling unit and a master controller, the input end of the three-phase thyristor rectifier bridge is connected with a three-phase alternating current power supply, and the output end of the three-phase thyristor rectifier bridge is connected with the lifting electromagnetic chuck through a switch S1 and connected with a storage battery pack through a switch S2; and the storage battery pack is connected in series with the lifting electromagnetic chuck through the IGBT power switch Q1. According to the invention, the technical problems of unreliable magnetic retention intervention, uncontrollable magnetic force, logic conflict risk, huge volume, storage battery maintenance deficiency and the like of a traditional discrete system are solved, seamless switching between magnetic retention and excitation is realized, and accurate magnetic force control under all working conditions and intelligent maintenance of a storage battery in a full life cycle can be realized; the device has the advantages of high safety, strong reliability, compact structure, low cost and the like.

The present application relates to magnetic adsorption technical field, specifically to a kind of electric permanent magnet-electromagnetic hybrid adsorption optimization method for large air gap workpiece, comprising the following steps: obtaining boundary magnetic flux balance distribution diagram by regulating magnetic flux sheet contact area and generating boundary magnetic flux balance distribution diagram, generating current adjustment rate instruction set according to attitude and magnetic flux deviation, generate tail section energy release list by using residual energy matching air gap, generate adsorption force stability control results corresponding to release sequence and rate.The present application, by effectively regulating the direction of magnetic flux in the boundary area, the magnetic flux in the boundary area is kept in order, the current change rate is dynamically corrected according to the attitude and magnetic flux deviation of the workpiece, the adaptability of the magnetic flux distribution and the air gap of the workpiece is improved, the residual energy is used to delay release before power-off and match with the air gap condition, and the adsorption force is uniform, the positioning accuracy is controllable and the energy utilization is sufficient in the grabbing and positioning of curved surface workpiece.

This invention discloses a protective seat, including a base plate. A buffer base is installed at the bottom end of the base plate. The buffer base includes an upper plate located below the base plate, and a lower plate located below the upper plate. A buffer seat is installed between the upper and lower plates. The buffer seat is made of shock-absorbing rubber and has evenly spaced recesses inside. Two through slots are symmetrically opened on the upper plate. A side protection component is installed at the top of the lower plate. The side protection component includes a fixed box symmetrically installed at the top of the lower plate. A movable block is installed inside the fixed box. A top rod is fixedly installed at the top of the top rod, and the top of the top rod passes through the through slot to the interior of the positioning slot. In operation, the impact force is buffered by the compression of the buffer seat. The evenly spaced recesses on the buffer seat further release the impact force on the base plate when the buffer seat deforms, thus improving the buffer protection of the equipment at the top of the base plate.

The utility model discloses an electromagnet which comprises a support body and a cover plate fixedly arranged on one side of the support body. An execution assembly is arranged in the support body, the bottom and the top of the support body are both provided with anti-seismic colloid, the bottom is further provided with a PIN terminal, the PIN terminal is electrically connected with the execution assembly, and the connecting position of the PIN terminal and the execution assembly is wrapped by an insulation connecting bridge. The execution assembly comprises a winding supporting piece, a limiting shaft sleeve, an iron core, a permanent magnet and a coil. The two ends of the limiting shaft sleeve are provided with limiting holes, and sliding limiting of the iron core is achieved through a guide block and a positioning base. The anti-seismic performance, the integration level and the installation convenience of the electromagnet can be improved, meanwhile, the leakproofness and the insulativity of the welding part are ensured, and the electromagnet is suitable for an automobile ABS system.

The present disclosure relates to an electromagnetic driving system for solving the clinical need for different magnetic field modes for assisting drug delivery, while the prior art is difficult to generate different magnetic field modes using one electromagnetic driving system. The present disclosure proposes a micro-robot magnetic manipulation system with an expandable spherical large working space, which adopts a modular mechanical design and can generate gradient magnetic fields, uniform magnetic fields, rotating magnetic fields, oscillating magnetic fields, and dispersed gradient magnetic fields in the spherical space, thereby facilitating the manipulation of the deformation and movement of micro-robots of any shape and quantity, and delivering drugs to the corresponding positions in the human body.

The present invention discloses an electromagnet drive control method. Starting at time t0, when the electromagnet's DC drive power supply is turned on, the electromagnet's magnetic flux Ψ is observed in real time based on the DC drive power supply voltage. At any time t1 before reaching a preset time t2, the electromagnet's magnetic flux integral value from t0 to t1 is calculated in real time, and the magnetic flux integral value from t1 to t2 is predicted, thereby obtaining an estimated magnetic flux integral value from t0 to t2. If the estimated magnetic flux integral value is greater than or equal to a preset magnetic flux integral threshold, the electromagnet's DC drive power supply is immediately shut off. Otherwise, the electromagnet's DC drive power supply is shut off at time t2. The present invention also discloses an electromagnet drive control device and a hybrid automatic transfer switch. Compared to existing technologies, the present invention can effectively reduce the hardware circuit complexity, system cost, and volume while maintaining the performance of the hybrid automatic transfer switch.

The utility model discloses an electromagnet core of a flat knitting machine, which comprises a driving part and a driving head, and is characterized in that the driving part is a cylinder, a first boss is arranged at the top of the driving part, a second boss is arranged at the upper part of the first boss, and a cavity penetrating through the first boss and the second boss is formed in the driving part; a plurality of exhaust holes are formed in the inner wall of the cavity of the driving part, one end of the driving head is a working end, the other end of the driving head is a mounting end, the diameter of the mounting end is slightly smaller than that of the working end, a groove is formed between the working end and the mounting end, and the groove is matched with the second boss. The positioning part is used for positioning the driving head in the driving part; the problem that a driving head of an electromagnet iron core of an existing flat knitting machine is disengaged can be effectively solved.

This utility model discloses a rotatable electromagnet structure for amusement park toy machines, comprising: a mounting arm for supporting and adjusting the electromagnet structure, and the mounting arm being mounted on the toy machine; an electromagnetic gun bracket mounted on one end of the mounting arm; an electromagnet mounted inside the gun bracket, with an electromagnetic gun head at its lower end; and a rotating mechanism mounted on the rear side of the electromagnet. This application includes a rotating mechanism and a reset mechanism. When the electromagnetic gun head at the lower end of the electromagnet is stuck on the turntable of the game machine, the rotation of the rotating mechanism drives the electromagnet to rotate accordingly, preventing the electromagnetic gun head from jamming the turntable and damaging the motor. When the electromagnet is not subjected to external force, it is reset by the reset mechanism, enabling the electromagnet to quickly and accurately adjust its working position and automatically reset, improving operational flexibility and convenience.

A tray is automatically mounted on a pallet. A tray handling device, which handles a tray collected from a component mounting device configured to mount a component held in a tray on a substrate, includes: a pallet collecting unit configured to take out a pallet on which the tray is mounted from a magazine collected from the component mounting device; and a tray unloading unit configured to unload the tray from the collected pallet.

A method of fabricating a high-temperature bobbin for a solenoid or other electrical assembly includes the step of providing a bobbin configured for use in the assembly. The bobbin is coated with an anti-oxidation composition and an anti-corrosion composition to produce an oxidation / corrosion resistant bobbin. The oxidation / corrosion resistant bobbin is coated with an electrical insulating composition that is resistant to corona discharge at or below a predetermined voltage threshold to produce an insulated and oxidation / corrosion resistant bobbin. The anti-oxidation composition, the anti-corrosion composition, and the electrical insulating composition can withstand temperatures of subzero up to temperature greater than 1000° F.