89 results about "Magnetic wires" patented technology

The utility model belongs to the technical field of magnetic separators, and particularly relates to an electromagnetic separator with a heat dissipation coil, which comprises a frame, a conveying mechanism mounted on the frame, a transmission mechanism connected with the conveying mechanism, and a magnetic separation mechanism mounted on the frame. The magnetic separation mechanism comprises a shell, a winding reel is mounted in the shell, the winding reel is connected with a mounting frame, and a mounting ring is mounted on the mounting frame; each installation ring is provided with a plurality of winding supporting rods, electromagnetic wires are wound around the outer sides of the winding supporting rods of the installation rings, the electromagnetic wires sequentially wind around the winding supporting rods of the installation rings from inside to outside along the centermost installation ring, and a heat dissipation gap is reserved between every two electromagnetic wire layers. By arranging the mounting ring and the winding supporting rod, a plurality of gaps are reserved between the electromagnetic coils, heat dissipation of the electromagnetic coils is facilitated, the ventilation holes, the draught fan, the coil pipe, the oil cooler and the temperature sensor are additionally arranged, the temperature in the magnetic separation mechanism can be detected and adjusted in real time, and normal operation of the device is guaranteed.

A position detection device includes: a first support; a second support that is movable relative to the first support; a power generation sensor disposed on the first support; and a magnetic field generation source fixed to the second support. The relative movement of the second support causes a plurality of magnetic poles having the same polarity to sequentially enter the detection region of the power generation sensor. The power generation sensor includes: a magnetic wire configured to exhibit a large Barkhausen effect; a coil wound around the magnetic wire; and a first magnetic flux conducting piece and a second magnetic flux conducting piece respectively magnetically coupled to the opposite end portions of the magnetic wire and each having a magnetic flux conducting end opposed to the detection region.

A multiturn angle detection device generates the multiturn absolute angle detection value of a rotating body. The multiturn angle detection device includes: a segment counter; a precision absolute angle detector; and an arithmetic device to generate the multiturn absolute angle detection value by combining the outputs of the segment counter and the precision absolute angle detector with each other. The segment counter includes: a single power generation sensor; a magnetic field generation source; a sensor element; and a nonvolatile memory to store a count value. The magnetic field generation source applies a k-cycle alternating magnetic field (wherein k is an integer not smaller than 3) per each turn of the rotating body axially of a magnetic wire. The arithmetic device uses the count value stored in the nonvolatile memory as it is, and combines the count value with the absolute angle detection value of the precision absolute angle detector.

A multiturn angle detection device includes: a segment counter to count segments in an angular range over the single turn of a rotation shaft; a precision absolute angle detector to generate an absolute angle detection value within the single-turn cycle; and an arithmetic device to generate a multiturn absolute angle detection value by combining the output of the segment counter with the output of the precision absolute angle detector. The segment counter includes: a single power generation sensor; a magnetic field generation source; a sensor element; and a nonvolatile memory to store a count value. The magnetic field generation source applies a two or more-cycle alternating magnetic field per each turn of the rotation shaft axially of a magnetic wire. The arithmetic device uses the count value stored in the nonvolatile memory as it is when receiving external electric power supply.

The present disclosure provides "Asymmetric wire insulation for traction motor stators." A stator assembly is presented. The stator assembly includes a stator core defining slots and magnetic wires positioned within the slots. Each magnetic wire includes a conductive core and an insulation layer surrounding the core. The insulation layer can have a varying thickness, with thinner portions spanning certain sides of the wire and thicker portions spanning other sides.

The utility model discloses a low damping pulsation electromagnetic pump, including pump shell, pump core, solenoid and elastic reset piece, the solenoid is sleeved in the outside of pump shell, be equipped with the water passageway and be equipped with the water inlet and the water outlet of water passageway both ends in the pump shell, the pump core is under the action of the magnetic field of solenoid and the elastic reset piece and reciprocates in the water passageway, be equipped with the Tesla valve flow channel in the pump core, the both ends of Tesla valve flow channel have positive and negative direction mouth, the positive direction mouth is linked together with the water inlet, the negative direction mouth is linked together with the water outlet. The utility model discloses an electromagnetic pump, still guarantee electromagnetic pump to have the water pumping capacity and the effect of accelerating and pressurizing to water flow under the condition of not using check valve, because of not having check valve, the water pressure loss is smaller. In addition, the utility model discloses a kind of intelligent closestool using above-mentioned low damping pulsation electromagnetic pump.

The motion detection device (5) includes a first support (51), a second support (52) that moves relative to the first support, a power generation sensor (100) disposed on the first support, and a magnetic field generating source (400) supported on the second support. The power generation sensor includes a magnetic wire (110), a coil (120), and a magnetic flux conducting plate (130, 131). The magnetic flux conducting plate includes an axially orthogonal portion and an axially parallel portion, and has a wire arrangement portion that fixes the axially orthogonal portion and both ends of the magnetic wire. The power generation sensor is configured such that the side opposite to the magnetic wire is set as the detection area (140) relative to the axially parallel portion. The magnetic field generating source has multiple magnetic poles. Magnetic poles of different polarities enter the detection area sequentially along a track (30) parallel to the axis of the magnetic wire and are opposite to the power generation sensor. The magnetic flux direction of each magnetic pole is perpendicular to its direction of movement and is the direction that intersects with the magnetic wire.

The rotation detection device includes an annular multi-pole magnet provided on a rotating shaft and a power generation sensor that detects a magnetic field that changes with rotation of the multi-pole magnet. The power generation sensor includes a magnetic conductive wire exhibiting a large Barkhausen effect, a coil wound around the magnetic conductive wire, and a pair of magnetic flux conduction sheets comprising soft magnetic members magnetically coupled to both ends of the magnetic conductive wire, respectively. The annular multi-pole magnet has a magnetization pattern inclined with respect to the rotation axis at the outer peripheral portion. The power generation sensor faces the magnetization pattern of the multipole magnet in a posture in which the axial direction of the magnetic wire is parallel to the rotation axis.

The utility model relates to the field of mining area electromechanical equipment maintenance, in particular to an electromagnetic induction type flexible heating device which comprises an outer box body and a heating device, heat dissipation holes are formed in the surface of the outer box body, moving wheels are arranged at the bottom of the outer box body, and a control panel is arranged on the side of the upper end face of the outer box body. The heating device is composed of a frame, a heat preservation cylinder and an electromagnetic cable, the frame is of a cylindrical structure design, the heat preservation cylinder wraps the outer side of the frame, the upper end and the lower end of the heat preservation cylinder are fixedly connected with the frame, and the electromagnetic cable is arranged on the inner side of the frame in a winding mode. The two ends, extending to the outer side of the heat preservation cylinder, of the electromagnetic cable are each provided with a power connection plug. The utility model has the advantages of low energy consumption, electricity saving, high heating speed, no pollution, no noise, no need of preheating, difficulty in oxidation, convenience in gas protection, automatic control, safety, reliability, easiness in operation, capability of continuously working and the like.

A medical device for retrieval of kidney stone fragments from a urinary tract is provided. The medical device has a plurality of magnets arranged within a flexible sheath forming a flexible wire. The magnets are magnetically attached end-to-end and arranged with their magnetic polarities alternating in direction. The magnetization direction of each of the magnets is orthogonal to the length axis of the flexible wire. A removable inner stylet is situated within the flexible sheath allowing for modifiable flexibility of the wire. The medical device is dimensioned to be introduced into the urinary tract and standard endoscopic devices. The medical device is further dimensioned to allow for the wire with magnetically attached stone fragments to be retrieved from the urinary tract. The magnetic field along the length axis is sufficient to attract to the surface of the flexible wire superparamagnetic nanoparticles which have bound themselves to kidney stone fragments.

One aspect of the present disclosure provides an electric work machine with a brushless DC motor. A stator of the brushless DC motor includes a conductive member stacked on a yoke of the stator via an insulator of the stator in an axial direction of a rotation axis of the brushless DC motor. A first connector in the conductive member is aligned with a second connector in the conductive member across the axial direction. The first connector and the second connector overlap an axially extended region of coils on the stator, when viewed from a direction perpendicular to the axial direction. The first connector and the second connector are coupled respectively to a first end and a second end of at least one magnetic wire of the coils.

A stator assembly is presented. The stator assembly includes a stator core defining slots and magnetic wires positioned within the slots. Each magnetic wire includes an electrically conductive core and an insulation layer surrounding the core. The insulation layer may have a varying thicknesses, with thinner portions spanning certain sides of the wires and thicker portions spanning other sides.

Disclosed herein is an apparatus for separation of diamagnetic particles of sub-micron diameter from a fluid. The disclosed apparatus includes a first magnetic coil including a hollow center and a separation unit including an outer enclosure and a second magnetic coil. The second magnetic coil includes a single-layer of windings of a magnetic wire and at least one nonmagnetic wire on a nonmagnetic core where the first magnetic coil houses the separation unit in the hollow inner center. Also disclosed herein is a method of using the apparatus.

1. Name of the designed product: magnetic wire arranging device (360° rotation). 2. Use of the designed product: the designed product is used for arranging and fixing data lines. 3. Design points of the designed product: in shape. 4. Picture or photo best indicating the design points: perspective view 1.

This application discloses an immersion magnetic field-assisted electrochemical mechanical polishing device for additive manufacturing of space lattice points, comprising: a spindle system unit, which includes a Z-axis linear module, a Y-axis linear module, a spindle motor, and a spindle. The Z-axis linear module is mounted on the Y-axis linear module, and the spindle motor is mounted on the Z-axis linear module. The output end of the spindle motor is connected to the spindle, and the spindle is fitted with a clamp for holding the workpiece; an electrolytic cell, which is filled with electrolyte and magnetic abrasive particles, and has a cathode; a magnetic field generator, which includes multiple electromagnetic coils, which are sleeved on the outside of the electrolytic cell. By adjusting the current and phase of each electromagnetic coil, a magnetic field is formed inside the electrolytic cell; a cleaning tank for cleaning the workpiece; and a controller for controlling the working state of the device. This device uses electrochemical corrosion and mechanical friction in combination to efficiently process the space lattice points, thereby improving the surface quality and smoothness of the lattice points.

To provide a magnetic field detection element capable of reducing the distance between a magnetic wire and a detection coil, thereby mitigating sensitivity attenuation.SOLUTION: A magnetic field detection element 1 includes a substrate 2 having a groove 3, a magnetic wire 5 arranged in the groove 3, and a detection coil 4 surrounding the magnetic wire 5. The detection coil 4 has a lower coil 42 positioned within the groove 3 and an upper coil 41 connected to the lower coil 42. The upper coil 41 is provided with a recess 41a that concaves towards a gap s between the lower coil 42 and the magnetic wire 5.SELECTED DRAWING: Figure 2

The utility model relates to a heat humidifier based on electromagnetic heating. The heat humidifier comprises an upper cover assembly, an inner container assembly and a machine body assembly. Wherein the upper cover assembly is arranged above the machine body assembly and detachably connected with the machine body assembly, and the inner container assembly is arranged in the machine body assembly; an electromagnetic disc is arranged at the bottom of the machine body assembly, the inner container assembly comprises a transparent glass inner container and a magnetic conductive sheet arranged in the glass inner container, and the magnetic conductive sheet is in a heating state when the electromagnetic disc emits an electromagnetic wire; compared with the prior art, according to the technical scheme, through electromagnetic heating and a split structure, the heating efficiency and cleaning convenience of the heat humidifier are improved, and the problems that a traditional heat humidifier is large in energy loss, difficult to clean and the like are solved.

The invention relates to a gripper device (1) for a robot arm of a robot for gripping or releasing an object, comprising at least one finger unit (2) and a sensor device for measuring a temperature, a pressure, a voltage, a magnetic field and / or a linear position on the at least one finger unit (2). • at least one bistable magnetic wire (3) arranged in the area of ​​a surface of the at least one finger unit (2), • at least one excitation element (4) for generating a magnetic field, wherein the at least one excitation element (4) is arranged within reach of the at least one bistable magnet wire (3) on the at least one finger unit (2), • at least one sensor element (5) for receiving a response from the at least one bistable magnet wire (3), wherein the at least one sensor element (5) is arranged within range of the at least one bistable magnet wire (3) on the at least one finger unit (2), and • a signal processing unit (6) which is connected to the at least one excitation element (4) and the at least one sensor element (5) for signal transmission and is configured to generate and receive electrical signals. Furthermore, the invention relates to a robot comprising at least one robot arm with such a gripper device (1).

The invention discloses an electromagnetic heating system for VOCs catalytic combustion, and belongs to the technical field of electromagnetic heating devices.The electromagnetic heating system comprises a combustion box, the combustion box is of a cubic structure, a heat insulation layer is arranged on the inner wall of the combustion box, an air inlet pipe is installed on one side of the combustion box, and a plurality of sets of preheating pipes are installed in the combustion box; by arranging electromagnetic heating, the principle is that an alternating magnetic field is generated through an electronic circuit board component, when a metal device is used for cutting alternating magnetic lines, alternating current, namely eddy current, can be generated on the metal device part, and the electromagnetic heating effect is achieved. The eddy current enables carriers of the metal device to move irregularly at a high speed, the carriers collide and rub with atoms to generate heat energy, and therefore the effect of rapidly heating the heating device is achieved, and due to the fact that the metal device is heated by itself, the heat conversion rate of equipment is greatly improved.

This multi-turn absolute encoder comprises: a rotary body that rotates about an axis of rotation; a printed wiring board that is opposite from the rotary body with a gap therebetween; a reflection pattern that is formed in a circular annular region in a surface of the rotary body and that encodes and records angle information; a magnetic field generation source that is held by the rotary body and that has a plurality of magnetic poles; an optical sensor that is mounted to the printed wiring board; and a power generation sensor that is mounted to the printed wiring board. The power generation sensor includes a magnetic wire, a coil, and a pair of magnetic flux conduction pieces comprising a soft magnetic body. The pair of magnetic flux conduction pieces are provided with a pair of axis-orthogonal parts and a pair of axis-parallel parts. The axis-orthogonal parts have wire placement parts to which both ends of the magnetic wire are fixed. The axis-parallel parts are disposed between the magnetic wire and the printed wiring board.

A physical quantity measurement and / or position measurement system using a bistable magnetic wire (1), comprising an excitation element (2) for generating a magnetic field and a sensing element (3). Within the magnetic field of the excitation element (2), a bistable magnetic wire (1) having a first end (11) and an oppositely arranged second end (12) is arranged. The bistable magnetic wire (1) is adjusted in magnetization by a single Barkhausen jump from the first end (11) to the second end (12) or vice versa, the excitation element (2) and the bistable magnetic wire (1) are arranged in a mutual position with a magnetic field that is asymmetric with respect to the bistable magnetic wire (1), and the magnitude of the magnetic field excited by the excitation element (2) at the first end (11) is different from the magnitude of the magnetic field excited by the excitation element (2) at the second end (12). The asymmetry of the magnetic field arises due to the asymmetrical positions of the magnetic element (2) and the bistable magnetic wire (1) relative to one another and / or due to the asymmetrical structure of the magnetic element (2).

The invention is based on the objective of creating a device for the controllable generation of dynamic linear forces, in particular for the tractive force control of wound materials or web materials, which enables precise control or regulation in a simple manner even in fast process sequences, thereby eliminating the disadvantages of the prior art and generating higher dynamic linear forces with minimal heat losses. 1. Device for the controllable generation of a dynamic linear force by means of an electromagnetically linearly driven actuating element (1) with an axis of movement (2), wherein at least one magnet arrangement (3) with several permanent magnets (4) and at least one electrical conductor (5) arranged between the permanent magnets (4) is provided, wherein the at least one electrical conductor (5) is connected to the linearly driven actuating element (1), wherein the permanent magnets (4) are arranged such that a magnetic field (7) is formed in an air gap (6) between the permanent magnets (4), and wherein the at least one electrical conductor (5) is arranged in the air gap (6) at right angles to the magnetic field (7) and is connected to the actuating element (1), wherein the linear mobility relative to the permanent magnets (4) is limited such that the at least one electrical conductor (5) does not leave the magnetic field (7).

A motion detection device (5) comprises: a first support body (51); a second support body (52) that moves relative to the first support body (51); a power generation sensor (100) that is disposed on the first support body; and a magnetic field generation source (400) that is supported by the second support body. The power generation sensor comprises a magnetic wire (110), a coil (120), and magnetic flux conduction pieces (130, 131). The magnetic flux conduction pieces each have an axially orthogonal part and an axially parallel part and have a wire arrangement part to which both end parts of the axially orthogonal part and the magnetic wire are fixed. The power generation sensor is configured such that a detection region (140) is on the opposite side from the magnetic wire with respect to the axially parallel part. The magnetic field generation source has a plurality of magnetic poles. Magnetic poles having different polarities sequentially enter the detection region along a track (30) that is parallel to the axial direction of the magnetic wire and face the power generation sensor. The direction of the magnetic flux of each magnetic pole is perpendicular to the movement direction of that magnetic pole and intersects the magnetic wire.

A magnetic wire having low dielectric constant insulation includes a conductor and at least one insulating layer formed around the conductor. The insulating layer includes a base polymeric material and one or more additives incorporated into the base polymeric material. The one or more additives include at least one of: (i) a polycyclic aromatic hydrocarbon; or (ii) a partially or fully hydrogenated compound of a polycyclic aromatic hydrocarbon. Additionally, one or more additives reduce the dielectric constant of the insulating layer relative to a control insulating layer formed only from the base polymer material.

A stator assembly is presented. The stator assembly includes a stator core, which defines slots, and magnetic wires positioned within the slots. Each magnetic wire includes an electrically conductive core and an insulating layer surrounding the core. The insulating layer can have varying thicknesses, with thinner sections spanning some sides of the wires and thicker sections spanning other sides.

The invention relates to an anti-typhoon high-efficiency wave energy direct-driven power generation device and a control method thereof, and belongs to the technical field of wave energy power generation, the anti-typhoon high-efficiency wave energy direct-driven power generation device comprises a support, a linear generator and a rope, the support and the linear generator are both fixed on a single-shaft rotary table, and a fixed pulley for the rope to penetrate through is fixed on a cantilever of the support; the linear generator comprises a permanent magnet rotor and an electromagnetic coil stator which are matched with each other, one end of the rope penetrates through the fixed pulley and then is fixedly connected with the permanent magnet rotor, and the other end of the rope penetrates through the movable pulley and then is fixedly connected with the tail end of a cantilever of the support. The movable pulley is provided with a first linear motion driving mechanism capable of driving the connecting rod to ascend and descend, the lower end of the connecting rod is fixedly connected with a floater, and the single-shaft rotary table is provided with a second linear motion driving mechanism capable of driving the permanent magnet rotor to ascend and descend. The wave energy collecting and converting efficiency is improved, and meanwhile the typhoon resistance of the whole device is improved.

The application discloses a touch module and a touch display device. The touch module comprises a touch panel, a touch driving chip and an electromagnetic induction chip. The touch panel comprises a substrate, a capacitive touch layer and an electromagnetic coil layer. The electromagnetic coil layer and the capacitive touch layer are sequentially stacked on the substrate and insulated from each other. The touch driving chip is electrically connected with the capacitive touch layer and is configured to sequentially output a touch driving signal and an electromagnetic excitation signal. The touch driving signal is used to drive the capacitive touch layer to generate an electric field to sense a finger touch. The electromagnetic excitation signal is used to drive the electromagnetic coil layer or the capacitive touch layer to generate a magnetic field to excite an electromagnetic pen to emit an electromagnetic signal. The electromagnetic induction chip is electrically connected with the electromagnetic coil layer and is configured to acquire an electromagnetic induction signal generated by the electromagnetic coil layer in response to the electromagnetic signal and determine the position of the electromagnetic pen.

The utility model relates to a magnetic type pay-off device which comprises a shell, a bottom disc, a bearing ring, an upper disc and a wire disc. The bearing ring is clamped in the boss of the chassis; the bottom end of the upper disc is slidably connected with the balls, the upper disc and the bottom disc attract each other, a cable of the wire disc is pulled out of the wire outlet pipe, and when the cable is pulled, the paying-off speed is controlled through mutual attraction between the first magnetic attraction block and the second magnetic attraction block. According to the magnetic type pay-off device, the pay-off speed is controlled through mutual attraction of the upper disc and the bottom disc in the pay-off process, so that the pay-off speed is uniform and controllable; when multiple strands of cables need to be released, the magnetic type pay-off device is combined and stacked upwards through mutual abutting connection of the clamping blocks and the shell, the structural design that the shell is large in top and small in bottom ensures the stacking stability, the pay-off efficiency is improved, meanwhile, the bottom disc, the bearing ring and the upper disc have the advantages of being simple in structure, rapid in combination, light in weight and the like, and the magnetic type pay-off device is suitable for large-scale popularization and application. And the use efficiency is greatly improved.

1. Name of the product in this design: Magnetic wire-free touch linear light. 2. Purpose of this design: for lighting, specifically a linear light that can be magnetically attached and installed without wires, and is controlled by touch. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: a 3D model.