1486 results about "Magnet coil" patented technology

The invention discloses an intelligent monitoring system for an assembled net rack shear structure, and relates to the technical field of net rack structure health monitoring. A fiber grating sensor, an ultrasonic array, an electromagnetic coil and an energy assembly are integrated through a sensor integration module and a modular support; optical fiber strain, ultrasonic signals and electromagnetic impedance data are collected in real time; after the feature fusion module extracts key features through preprocessing, a fusion feature vector is obtained through an adaptive manifold projection fusion method; the shear force value prediction module takes the fusion feature vector as input, and obtains a shear force value prediction model through training by using an LSTM (Long Short Term Memory) model; and the net rack judgment module is combined with a DBSCAN algorithm to divide neighbor sensor network groups, and is used for judging the structure defect type based on a local anomaly concentration ratio LAC and an overall cooperative change rate GCR. According to the system, intelligent monitoring of the fabricated net rack shear structure is realized, and the monitoring precision and the defect identification accuracy are improved.

The invention relates to the technical field of electromagnetic coils, in particular to a laminated special-shaped plane spiral coil winding. The laminated special-shaped planar spiral coil winding is composed of at least two coil layers, and each coil layer is composed of a single special-shaped planar spiral coil. The inner ring part of the special-shaped plane spiral coil is a concentric plane spiral coil, and the outer ring part of the special-shaped plane spiral coil is a tooth-shaped spiral coil extending along the outer periphery of the concentric plane spiral coil; all phases of the coil winding are different in layer, the electrified magnetic field center of each coil layer deviates from the geometric center, and the projection of the magnetic field center of each phase in the plane of the coil winding is in central symmetry distribution. The invention innovatively provides a laminated special-shaped planar spiral coil winding, and provides a squirrel-cage equivalent rotor on the basis of the laminated special-shaped planar spiral coil winding, so as to provide competitive choices for reducing copper loss and improving heat dissipation, magnetic conductivity, structural strength and economic cost of an axial flux motor winding.

The invention provides a method and a system for measuring plasma current in a quasi-ring symmetrical star simulator, and relates to the technical field of star simulators, and the method comprises the steps: determining a sensor design index according to a bootstrap current simulation calculation result, and converting the design index into an actual arrangement scheme according to an installation environment constraint; all the magnet coils are independently excited in a plasma-free state, wall eddy current interference signals generated by the magnet coils are calibrated, and thus wall eddy current calibration voltage signals are output; a sensor in an actual arrangement scheme is used for synchronously collecting a total original induced voltage signal including plasma current and wall eddy current; an integral voltage signal representing the total current is output; and compensating the integral voltage signal by using the wall eddy current calibration voltage signal, and inverting the final measurement value of the plasma current in the quasi-ring symmetric star simulator. The device and the method have the beneficial effects that the interference of a stray field on a measurement result is weakened, and a high-precision diagnostic tool is provided for the plasma physical research of the star simulator.

The invention relates to the technical field of electromagnetic coils, in particular to a laminated planar spiral coil winding. The laminated planar spiral coil winding is formed by laminating at least two layers of planar spiral coils, the spiral center fitting line formed by each turn of wire is linear, the planar spiral coils occupy the whole winding plane, the strong magnetic center deviates from the geometric center of the planar spiral coils, and the phases of the winding are different in layer. The invention aims to provide competitive choices for the axial flux motor winding, such as high copper full rate, low copper loss, large air gap, easy heat dissipation and low production cost.

The application discloses a rotary type clamping tool clamp for a numerical control machine tool and relates to the technical field of numerical control machining. The numerical control machine tool comprises a machine tool body, the inside of the machine tool body is provided with a workbench for placing workpieces, and the upper side of the workbench is provided with a clamping plate for clamping the workpieces. The numerical control machine tool, the sliding rod starts to move under the abutting action of the abutting groove, and the sliding rod slides to the center of the workbench under the limiting action of the sliding groove, so that the workpiece is clamped and limited, and the position of the workpiece is prevented from deviating during machining, thereby affecting the machining effect. When the electromagnetic coil is electrified, a ring-shaped magnetic field is generated, at this time, the magnetic block interacts with the magnetic field of the electromagnetic coil, drives the swing frame to periodically swing along the outside of the limiting shaft, and the knocking hammer knocks the vibration piece to transmit the vibration force to the inner wall of the machine tool body, thereby preventing the splashed debris from adhering to the inner wall of the machine tool body.

The invention discloses a hydraulic mechanism for a water-cooled magnet structure with high mechanical stability. The hydraulic mechanism comprises a cylinder body, a piston, a check ring, a pressure equalizing pad, a limiting block, a first force transmission check ring, a first anti-rotation pin, a second force transmission check ring, a second anti-rotation pin, a first force transmission column and a second force transmission column. The water-cooled magnet has the advantages that axial stress application can be carried out on the magnet coil assembly, the pressing force on the magnet coil assembly is improved, the problems of tension fracture and damage caused by coil stress overrun due to overlarge radial expansion electromagnetic force of a magnet coil bit piece and an insulating piece are solved, and the high mechanical stability of the water-cooled magnet is improved.

The application provides a normally open large-flow switching electromagnetic valve and a hydraulic control unit of an automobile brake system. The electromagnetic valve comprises an electromagnetic coil, a valve shell, a moving iron, a valve core, a small-flow valve seat and a large-flow valve seat. An accommodating space is formed in the valve shell. The valve core, the small-flow valve seat and the large-flow valve seat are sequentially arranged in the accommodating space from top to bottom. The valve core is connected with the moving iron, and the electromagnetic coil is arranged around the moving iron and the valve shell. A first elastic member is arranged between the valve core and the small-flow valve seat. The small-flow valve seat and the large-flow valve seat are connected through a second elastic member. When the electromagnetic coil is powered off, the valve core opens a small-flow port, and the small-flow valve seat opens a large-flow port, so that the electromagnetic valve is opened with large flow. When the electromagnetic coil is powered on, the valve core closes the small-flow port, and the small-flow valve seat closes the large-flow port, so that the electromagnetic valve is closed. The application can satisfy the normally open and large-flow capacity of the electromagnetic valve, so as to realize rapid pressure regulation.

The pressure release valve comprises a shell and a fixing sleeve arranged on the shell, an installation cavity is formed in the shell, an electromagnetic coil assembly is arranged in the installation cavity, the magnetic isolation sleeve is inserted in the installation cavity, the magnetic isolation sleeve is connected between the shell and the fixing sleeve in an abutting mode and isolates the installation cavity, and the electromagnetic coil assembly is arranged in the magnetic isolation sleeve. A movable valve element is arranged on the magnetism isolating sleeve in a sliding mode, and the end of the movable valve element is connected with a sealing piece.

The invention discloses an internally-inserted water-cooled magnet device for a high-field hybrid magnet. The internally-inserted water-cooled magnet device comprises a container assembly and a magnet coil assembly arranged in the container assembly. The container assembly comprises an upper barrel assembly, a container end cover, a hydraulic machine assembly, a center pipe assembly, an inner supporting assembly, a middle barrel assembly, a lower barrel assembly and an electric connecting assembly. The hydraulic machine assembly comprises a cylinder body, a piston, a check ring, a pressure equalizing pad, a first force transmission check ring, a first anti-rotation pin, a second force transmission check ring, a second anti-rotation pin, a first force transmission column and a second force transmission column. The axial force application device has the advantages that axial force application can be performed on the magnet coil assembly, the pressing force on the magnet coil assembly is improved, and the problems of tension fracture and damage caused by coil stress overrun due to overlarge radial expansion electromagnetic force of a magnet coil bit piece and an insulating piece are solved.

The invention discloses a novel internally-inserted water-cooled magnet container assembly for a hybrid magnet with high mechanical stability, which comprises an upper cylinder component, a container end cover, a hydraulic machine component, a central tube component, an inner support component, a middle cylinder component, a lower cylinder component, an electric connection component and a first conductive flexible connector, and a magnet coil assembly comprises a plurality of radially-sleeved coils; the hydraulic machine assembly comprises a cylinder body, a piston, a check ring, a pressure equalizing pad, a limiting block, a first force transmission check ring, a first anti-rotation pin, a second force transmission check ring, a second anti-rotation pin, a first force transmission column and a second force transmission column. The device has the advantages that axial force application can be performed on the magnet coil assembly, the pressing force on the magnet coil assembly is increased, the problems of tension fracture and damage caused by coil stress overrun due to overlarge radial expansion electromagnetic force of a magnet coil bit piece and an insulating piece are solved, the dismounting and maintenance process of the mixed internally-inserted water-cooled magnet device is simple and rapid, and the efficiency is high. And the dismounting efficiency is improved.

The invention discloses a magnetron sputtering coating method with uniform coating and high target material utilization rate, and belongs to the technical field of film preparation, and the method realizes high-precision coating through whole-process collaborative optimization of pretreatment, sputtering, deposition and post-treatment. The substrate is cleaned in cooperation with radio-frequency pulse focusing bombardment; an electromagnetic coil group containing a temperature compensation coil is used for target sputtering, a magnetic field is dynamically adjusted in combination with laser profile sensing and a PID self-adaptive algorithm, and a direct current pulse-radio frequency composite power supply is matched to solve the target problem; in the deposition stage, a quartz crystal instrument is used for closed-loop film thickness control, metal film pulse gas supply and compound film reaction gas phase adjustment; gradient temperature rise is carried out according to data of an X-ray stress meter in post-treatment, and argon is used for dynamic protection and impurity prevention. According to the magnetron sputtering coating method with uniform coating and high target material utilization rate, the uniformity of coating and the target material utilization rate are improved, and the technological adaptability and stability of coating are improved.

The invention relates to the technical field of electronic circuits, in particular to a polar field magnet coil power supply system and a power supply method. The polar field magnet coil power supply system comprises a super capacitor, a control module and a driving module. The control module is coupled with the driving module and the polar field magnet coil, and the control module is configured to obtain feedback current of the polar field magnet coil, generate a first pulse width modulation signal group and generate a second pulse width modulation signal group. And the driving module is configured to respond to the first pulse width modulation signal group and generate the second pulse width modulation signal group, transmit energy stored by the super capacitor to the polar field magnet coil in the current rising sub-stage and the current maintaining sub-stage, and feed back the energy of the polar field magnet coil to the super capacitor in the current feedback sub-stage. According to the polar field magnet coil power supply system, the energy utilization rate can be greatly improved, the problem that energy cannot be recycled in the prior art is solved, and the problem that the failure rate is high is solved.

The invention discloses a high-field water-cooling magnet device which comprises a container assembly and a magnet coil assembly, and the magnet coil assembly is located in the container assembly and communicated with the container assembly. The container assembly comprises a hydraulic machine assembly, and the hydraulic machine assembly comprises a cylinder body, a piston, a check ring, a pressure equalizing pad, a first force transmission check ring, a first anti-rotation pin, a second force transmission check ring, a second anti-rotation pin, a first force transmission column and a second force transmission column. The axial force application device has the advantages that axial force application can be performed on the magnet coil assembly, the pressing force on the magnet coil assembly is improved, and the problems of tension fracture and damage caused by coil stress overrun due to overlarge radial expansion electromagnetic force of a magnet coil bit piece and an insulating piece are solved.

The invention provides an electromagnetic driving system. In one embodiment, the electromagnetic drive system comprises: a) one or more magnetic robots located within a workspace; b) three independent mechanical arms, wherein each independent mechanical arm comprises a movable electromagnetic coil; c) a positioning system for tracking the one or more magnetic robots; the three independent mechanical arms are controlled through multi-objective optimization to ensure a coil configuration space capable of providing a magnetic field for manipulating the one or more magnetic robots in the working space.

The utility model discloses an electromagnetic double clutch type power mechanism, which comprises a motor and an electromagnetic transmission mechanism, the structure of the electromagnetic transmission mechanism comprises a fixing ring, two electromagnetic coils are arranged on the fixing ring in parallel, an armature is fixedly arranged on the outer side of each of two opposite ends in the axial direction of the fixing ring, and a clutch outer core is axially fixed with the fixing ring. A fast-gear clutch assembly and a slow-gear clutch assembly are arranged in the clutch outer core side by side in a circumferential transmission mode, and an inner shifting structure acting on the fast-gear clutch assembly and the slow-gear clutch assembly is arranged in the clutch outer core. A fast gear and slow gear transmission set in transmission connection with the transmission shaft is arranged in the clutch outer core and used for achieving fast gear and slow gear switching transmission. And the electromagnetic force of the two electromagnetic coils realizes the axial sliding of the clutch outer core, so that the fast-gear clutch assembly and the slow-gear clutch assembly are staggered for separation and reunion.

The invention relates to the technical field of electromagnetic element production equipment.The electromagnetic coil bending and depainting equipment comprises a machine body, a feeding mechanism, a bending module, a depainting module, a discharging mechanism, a first transferring mechanism and a second transferring mechanism, and the feeding mechanism, the bending module, the depainting module, the discharging mechanism, the first transferring mechanism and the second transferring mechanism are arranged on the machine body; the bending module is used for bending pins, the paint removing module is used for removing paint from the pins, the discharging mechanism is used for discharging the paint-removed electromagnetic coils, the first transferring mechanism is used for transferring the electromagnetic coils to the bending module, the bending mechanism is used for bending the pins of the electromagnetic coils, and then the electromagnetic coils with the bent pins are transferred to the paint removing module. The second transferring mechanism is used for transferring the electromagnetic coil to the discharging mechanism, and final discharging is achieved. By the adoption of the technical scheme, automatic feeding, bending, paint removing and discharging processes of the electromagnetic coil are achieved, manual dependence is effectively reduced, and production efficiency and the automation level are improved.

The utility model discloses a steel ball sealing pressure-maintaining electromagnetic valve, which comprises a shell, an upper cover, a lower cover, an electromagnetic coil, a movable iron core, a fixed iron core and a spring, relates to the technical field of electromagnetic valves, adopts steel ball sealing to replace a rubber or silica gel sealing ring, and solves the problem that the traditional rubber or silica gel sealing ring is adhered or deformed. The switch sensitivity of the electromagnetic valve is enhanced, the equipment protection is enhanced, and the service life of the electromagnetic valve is prolonged.

The invention discloses a high-stability electromagnetic brake convenient to disassemble and assemble, and relates to the technical field of brakes. Comprising a shell, a base is installed on the top of the shell through a connecting shaft, a rotating shaft channel is formed between the base and the top of the shell in a penetrating mode, an armature is arranged on the portion, located on the surface of the rotating shaft channel, between the base and the shell in a sleeving mode, an electromagnetic coil is arranged in the shell, and an installation mechanism is arranged at the bottom of the shell. A compensation assembly is arranged at the top of the armature, a rotating disc is rotationally connected to the position, located on the surface of the periphery of the rotating shaft channel, in the cavity in the device shell, a connecting rod is arranged in the armature in a limiting mode, an unlocking assembly is arranged at the bottom of the shell, and the armature and the shell are installed easily and can be operated by one person; gaps in all directions between the armature and the electromagnetic coil are ensured to be the same, adjustment is easy, and automatic compensation after the brake pad is abraded is achieved.

An on-line program control excitation power supply with quench protection for a high-temperature superconducting magnet comprises a single-chip microcomputer for receiving control data, outputting control voltage through digital-to-analog conversion (DAC) of the single-chip microcomputer, and magnetizing a magnet coil through current stepping; a sampling signal is output to the liquid crystal screen to display corresponding voltage and current values in real time after being processed by the single-chip microcomputer analog-to-digital conversion ADC; voltage signals at the two ends of the magnet coil are sampled and returned to the single-chip microcomputer to be processed, when high voltage occurs, it is judged that the voltage signals are abnormal voltage signals, quench protection is carried out, the single-chip microcomputer outputs control signals to cut off connection between the magnet coil and the excitation power source, and residual energy of the magnet coil is released through the high-power thyristor. The provided excitation power supply has the characteristics of high power, high stability, good repeatability and good linearity; performing numerical control stepping output, gradually applying current to the superconducting coil, and slowly establishing a magnetic field; effective quench protection is achieved, and it is guaranteed that a magnet coil is not damaged by quench.

The invention relates to the technical field of control systems, and discloses a control system for a magneto-rheological semi-active suspension, comprising an acceleration sensor configured to collect vibration acceleration signals of sprung mass and unsprung mass of a vehicle; the displacement sensor is configured to monitor the dynamic deflection of the suspension; the gyroscope is configured to obtain attitude information of a pitch angle and a roll angle of the vehicle body; the vehicle speed sensor is configured to detect the vehicle running speed in real time; the binocular camera is configured to collect pavement environment image information; the magneto-rheological damper is configured to adjust the damping force according to the current of the electromagnetic coil; the MCU controller comprises a signal acquisition module, a control processing module, a current driving module and a current sampling module; the signal acquisition module is configured to convert a sensor signal into a physical quantity; the control processing module is configured to fuse multi-source information to calculate expected damping force; the current driving module is configured to output PWM driving current to the magnetorheological damper; and the current sampling module is configured to feed back an actual current value to realize closed-loop control.

The utility model discloses an automatic bending and tin dipping device based on electromagnetic coil pins, which comprises a loading turntable structure provided with a controllable rotary turntable surface and a plurality of groups of electromagnetic coil stations; the loading and unloading carrying structure is arranged corresponding to the loading turntable structure; the pin bending structure is used for outputting stamping kinetic energy to bend electromagnetic coil pins; the soldering-aid dipping structure comprises a soldering-aid shifting and transposition assembly and a soldering flux lifting assembly, the soldering-aid shifting and transposition assembly is provided with a transposition kinetic energy output end, and the soldering flux lifting assembly is provided with a soldering flux lifting end; the pin tin immersion structure comprises a tin immersion transfer assembly and a tin melting liquid storage assembly. And the impedance detection structure comprises an upper and lower limit alarm resistance meter and a test probe, and can be arranged corresponding to the plurality of groups of electromagnetic coil stations in a switchable manner. The problems that in the prior art, bending and tin immersion processes of electromagnetic coil pins generally depend on manual operation, so that the overall automation degree, the operation efficiency and the qualified rate are low, and the labor cost is high are solved.

The utility model belongs to the technical field of forming dies, and provides a forming die of a decorative plate for construction engineering, which comprises a die body formed by combining and connecting an upper die and a lower die, the die body is provided with a die core hole along the length direction of the die body, and a die core is inserted in the die core hole. A mold core hole is formed in the mold body, a mold handle is fixed to the end, extending out of the yarn inlet side of the mold core hole, of the mold core, and a plurality of pairs of electromagnetic coil heating plates are arranged on the upper surface and the lower surface of the mold. Electromagnetic coil heating plates are arranged on the upper side and the lower side of a mold body, and inorganic fibers and polyester felts entering a mold core hole are subjected to melting forming.

The invention discloses an adjustable assembly type back rib steel-wood combined formwork with reinforcing ribs and a construction method of the adjustable assembly type back rib steel-wood combined formwork. The formwork comprises a formwork body, a steel back rib unit and an intelligent control module. The steel back rib unit is formed by longitudinally splicing section steel with standard length, and an electromagnetic coil and a mechanical lock catch mechanism are integrated in an inner cavity of the steel back rib unit. The intelligent control module presets various construction control modes, senses concrete side pressure in real time through a pressure sensor, and automatically controls cooperative work of electromagnetic force and a mechanical lock catch mechanism. During construction, different sizes are adapted through modular assembly, electromagnetic force is used for assisting in positioning and preliminary fixing, and then mechanical locking is conducted; in the pouring stage, electromagnetic force and mechanical locking force bear pressure together, electromagnetism is automatically cut off in the solidification stage to save energy, and reverse pulse current is applied in the demolding stage to reduce demolding resistance. The light-weight, adjustable, intelligent and efficient lossless demolding of the formwork is achieved, and the construction efficiency, the forming quality and the safety are remarkably improved.

The invention relates to the technical field of industrial control, in particular to an SMT production process quality control method and system. The SMT production process quality control system comprises a soldering paste distribution condition real-time acquisition module, an electromagnetic coil array parameter adjustment module and a reinforcement learning module. The electromagnetic coil array is arranged around the reflow soldering furnace, the infrared thermal imaging technology is combined, the thermal image of the PCB is obtained in real time and sent into the soldering paste segmentation model to be processed, the flowing state of the soldering paste is accurately represented, the system can dynamically adjust the control parameters of the electromagnetic coil array based on the soldering paste distribution thermodynamic diagram, and the stability of the reflow soldering system is improved. Comprise current intensity, current frequency, waveform and the like, so that the electromagnetic field is accurately adjusted, the flowability of the solder paste is optimized, excessive or too little solder paste accumulation is avoided, and the risks of solder bridge and insufficient solder are reduced.

The utility model relates to the technical field of nuclear fusion, and discloses a magnet coil and a magnet, the magnet coil comprises a coil body; the expansionary force restraint layer is arranged on the outer side of the coil body in the circumferential direction; and the solidified structure is filled between the coil turns of the coil body and the outer side of the coil body. The outer side of a coil body is peripherally wrapped by adopting an expansion force restraint layer, and then interturns and the outer side of the coil body are filled with an injection curing structure for reinforcement. When the magnet coil is powered on, the expansionary force restraint layer wrapping the outer side of the coil in the circumferential direction can effectively buffer huge electromagnetic expansionary force generated by the coil body, the burden of applying the expansionary force to the outer layer coil box is greatly reduced, the requirements for the structural strength and thickness of the coil box are reduced, and the coil box only needs to achieve the sealing function; the circumferential resistance and the thickness of the coil box can have a flexible design range according to the requirements of a plasma operation magnetic field and the like, so that the design of the coil box has a larger space.

The invention relates to a battery safety detection device integrating electromagnetic excitation and receiving, which is suitable for battery safety detection under the scenes of lithium battery research and development, quality inspection, recovery and the like. The detection device mainly comprises a temperature control module, an active magnetic excitation module, a battery clamping and heat measuring module and a multi-channel measuring unit. The modular uniform heat system is composed of a copper base body and a detachable adaptive layer, and the detachable adaptive layer is rapidly replaced through a magnetic attraction fixing point and supports full-adaptive testing of cylindrical, square and soft package batteries. The active magnetic excitation module generates an axial uniform magnetic field through a water-cooled electromagnetic coil, and the temperature drift error is small in combination with the anti-interference design of an aluminum nitride ceramic fiber layer; the synchronization control unit supports timestamp synchronization, and the association degree of different detection data is high. The lithium battery safety detection device effectively solves the problem that an existing lithium battery safety detection device cannot perform nondestructive defect detection while detecting charging and discharging heat production, and the test efficiency and the anti-interference capability are improved.

The invention provides a diagnosis method and system for plasma energy storage in a quasi-ring symmetric star simulator, and relates to the technical field of star simulators, and the method comprises the steps: adjusting a temperature drift resistor of a diamagnetic differential integrator, executing a quasi-ring symmetric configuration vacuum field magnet coil power-on test according to a general discharge waveform, and completing the calibration of the diamagnetic differential integrator; respectively measuring and calculating the compensation coefficient of each magnet coil; carrying out a power-on experiment with the same coil configuration parameters in the plasma discharge experiment of the quasi-ring symmetric star simulator test device under a vacuum condition to obtain wall eddy current stray field data under a corresponding condition; the real diamagnetic flux in the plasma discharge experiment is calculated by combining the magnet coil compensation coefficient and the wall eddy stray field data; and real plasma energy storage information in plasma discharge is obtained through calculation. The device has the beneficial effects that the measurement precision of the plasma energy storage signal in the star simulator device is improved, and experimental data support is provided for the physical research of the plasma of the star simulator.

The utility model provides a slow-open type electromagnetic valve of a combustor. The slow-open type electromagnetic valve comprises an electromagnetic coil, a fixed iron core, a movable iron core, a small valve group and a main valve group, wherein the electromagnetic coil is magnetized in two sections; the fixed iron core is arranged in the electromagnetic coil; when the first section of the movable iron core moves, the small valve group can be opened, the main valve group is opened at the second section after small flow of fuel gas is released, detonation caused by one-time instant release of the fuel gas can be prevented, and the slow opening function is achieved. After the small valve group is opened, except that static pressure applied to the main valve plug by gas can be relieved, a small spring of the small valve group counteracts a part of elastic force applied to the main valve plug by the main spring to seal the main valve port, so that the electromagnetic coil can be effectively helped to drive and maintain the opening of the second-section main valve group with smaller electric power, and the purpose of saving electricity is achieved.

The invention relates to the technical field of vehicle-mounted visual perception, in particular to a camera active anti-shake cooling system based on a magnetorheological fluid medium and a control method. The heat dissipation system comprises a camera module, at least three independent pipelines which are arranged around the camera module and are hollow inside, a hydraulic driving unit, at least one electromagnetic coil which is arranged on the outer wall of the independent pipeline and is used for generating a controllable magnetic field, and a controller, the controller is used for cooperatively controlling the liquid pressure in the pipeline and the magnetic field intensity acting on the magnetorheological fluid according to the vehicle state information and / or the posture information of the camera module so as to achieve active anti-shake and heat dissipation of the camera module. The pressure of the cooling liquid in the pipeline is adjusted to support the camera and change the electromagnetic force between the magnetic fluid and the coil by changing the magnetic field intensity, and lens shaking is reduced in cooperation with a vehicle body active shock absorption system.

The utility model discloses an electromagnetic coil, a magneto-rheological shock absorber and an automobile. The electromagnetic coil comprises an iron core and an excitation wire. The iron core is sleeved outside the sliding end, and a wire slot is annularly formed in the peripheral side of the iron core; the excitation wire is wound in the wire slot to form an excitation coil, and the cross section of the excitation wire is in a flat geometric shape; the magnetorheological damper comprises the electromagnetic coil and is applied to an automobile. In the scheme of the utility model, after the excitation lead is wound into the excitation coil, the gap between each turn of lead and the gap between the external lead of the excitation coil and the slot wall of the wire slot are greatly reduced, under the condition that the space of the wire slot is not changed, the number of turns of the coil can be increased by using the flat excitation lead, and the utilization rate of the space in the wire slot is higher; the effective working length of the electromagnetic coil is larger, the maximum damping force of the magneto-rheological shock absorber can be improved, the electromagnetic efficiency is greatly improved, and large damping force can be generated only through small current.