21results about How to "Improve the magnetic effect" patented technology

The invention relates to the technical field of pelvic floor magnet therapy, and discloses a pelvic floor magnet therapy device which comprises a hollow magnet therapy coil and further comprises a magnetic induction box with a top cover with ventilation holes. One end of each movable enclasping support is fixed on the lateral inner wall of the magnetic induction box, and the other end of each movable enclasping support is an arc-shaped positioning surface close to the hollow magnetic therapy coil; the at least one heat insulation pad is configured between the bottom of the magnetic induction box and the hollow magnetic therapy coil; wherein the hollow magnetic therapy coil is movably arranged on the heat insulation pad and is also positioned in the arc-shaped positioning surface of the movable holding support. According to the pelvic floor magnetic therapy device, the installation performance and the easy maintenance performance of the hollow magnetic therapy coil are improved, the overall heat dissipation performance of the device is enhanced, noise is reduced, the magnetic gathering effect is enhanced, the performance of the pelvic floor magnetic therapy device is not affected even if a patient can take the pelvic floor magnetic therapy device for a long time, the use comfort performance of the pelvic floor magnetic therapy device is improved, and the service life of the pelvic floor magnetic therapy device is prolonged.

The invention discloses a magnetic telescopic charging wire body, and belongs to the technical field of charging wires, the magnetic telescopic charging wire body comprises an inner core, and two sides of the inner core are provided with a first soft magnet and a second soft magnet; the outermost sides of the first soft magnet and the second soft magnet are opposite in magnetic pole; the middle of the inner core is bent for the first time and bent for the second time; by means of the first bend and the second bend, the charging wire body can be automatically contracted together in a disc shape from the middle, the telescopic purpose is achieved, and in the contraction process, the first soft magnet and the second soft magnet on the two sides are attracted after being attached to each other, and the disc-shaped charging wire body is prevented from being accidentally scattered.

This application relates to the field of vest technology, disclosing a reflective warning vest, including a vest, an arc-shaped magnetic plate, a magnetic base, a warning light, a magnetic plate, a photovoltaic panel, a storage battery, and a control box. In use, in dimly lit environments at night, the warning light can be activated via the control box to serve as a warning, making it easily observable and alerting others to avoid the area. During this time, the storage battery continuously consumes its charge. In well-lit environments during the day, the photovoltaic panel utilizes the photovoltaic effect at the semiconductor interface to directly convert solar energy into electrical energy, which is then stored in the storage battery to charge it. This compensates for the nighttime power consumption and enables automatic battery charging. Therefore, there is no need to repeatedly remove and recharge the battery, saving time and effort and offering the advantage of ease of use.

This invention belongs to the field of permanent magnet motor technology, specifically relating to a dual-secondary modular permanent magnet flux switching linear motor and its manufacturing method, comprising a motor primary and a motor secondary, with an air gap structure provided between the motor primary and the motor secondary; wherein, the motor primary includes at least one motor primary module with identical structure; the motor primary module includes an iron core, a permanent magnet, and an armature coil; the permanent magnet is placed inside the iron core, and the permanent magnet is distributed in a double U-shape around the armature coil; the motor secondary adopts an axisymmetric double-sided secondary structure composed of an iron core.

The invention discloses a strong magnetic screwdriver bit extension rod with a telescopic unlocking function and belongs to the technical field of electric tools. The strong magnetic screwdriver bit extension rod specifically comprises an extension rod sleeve, a magnet and an extension rod handle, a tool head sleeve used for being connected with a tool head is arranged at the front end of the extension rod sleeve, a sliding limiting sleeve is arranged at the rear end of the extension rod sleeve, and the magnet is arranged at the front end of the extension rod handle; a partition structure or / and a magnetic conduction structure is also arranged between the magnet and the bottom of the tool head sleeve; and the connecting rod sleeve and the sliding limiting sleeve can synchronously and axially slide relative to the connecting rod handle and the magnet. In the process of replacing the screwdriver head, the magnet can be driven to the position away from the screwdriver head in a sliding mode and is kept at the position through the positioning structure, and therefore an operator can easily complete insertion and extraction of the screwdriver head with one hand. The sliding limiting sleeve is located at the rear end of the extension rod sleeve, the diameter of the magnet in the extension rod sleeve can be made to be large as much as possible, the magnetic attraction capacity is improved, the outer diameter of the front section of the extension rod sleeve can be reduced, and use in a small space is facilitated.

This invention discloses a low-leakage flux asymmetric magnetic pole rotor and magnetic pole motor, comprising rotor laminations with eight magnetic pole regions uniformly arranged on the laminations. A first, second, third, and fourth permanent magnet group are sequentially repeated twice on the eight magnetic pole regions. Multiple identical rotor laminations are stacked and welded to form a rotor core. The magnetic pole polarities of any two adjacent permanent magnet groups in the eight magnetic pole regions are opposite. The permanent magnetic field within a single magnetic pole is asymmetric, and the permanent magnetic fields of adjacent magnetic poles are also asymmetric, reducing cogging torque, torque pulsation, and vibration noise. Each magnetic pole consists of multiple layers of permanent magnet steel and a magnetically insulating air gap, resulting in significant magnetic focusing effect, high magnetic field strength, high power density, low air gap harmonic magnetic flux density, low hysteresis loss, low stator core eddy current loss, and high motor output efficiency.

This application discloses an energy-saving industrial cold storage, belonging to the field of industrial cold storage technology. The energy-saving industrial cold storage includes an insulated body and an energy-saving mechanism. The energy-saving mechanism is installed and fixed at one end of the insulated body and includes a sliding frame that slides with the top surface of the insulated body. A winding roller is rotatably connected inside the sliding frame, and an insulating cloth is wound on the winding roller. A counterweight is fixedly connected to the lower end of the insulating cloth, and a rotating rod is slidably engaged below the insulating cloth. The lower end of the counterweight has a triangular structure, and the rotating rod is rotatably connected to the sliding frame. In this invention, the sealing frame ensures the sealing of both ends of the insulating cloth. When the counterweight is inserted and slides down the sealing frame to the bottom, the insertion rod can be pulled out and then re-inserted into the insertion slots at both ends of the counterweight. Finally, it is inserted into the insertion slots on the sealing frame for magnetic fixation. Because the temperature of the cold storage is low, the magnetic fixation effect is good, avoiding loosening and other issues, making it simple and convenient to use.

The application provides a rotor core and a motor with the same. The rotor core is formed with a plurality of magnetic poles which are arranged at intervals along the circumference of the rotor core. The outer periphery of the cross section of each magnetic pole comprises a plurality of arc lines and a plurality of straight lines, and the plurality of arc lines and the plurality of straight lines are arranged alternately. The air gap magnetic field between the stator core and the rotor core is optimized, the torque ripple is reduced, the motor demagnetization resistance and the motor efficiency are improved. The stator tooth is opposite to the magnetic pole and comprises a tooth body and a tooth shoe. The tooth shoe comprises two tooth shoes which are arranged at the two radial sides of the tooth body respectively. The tooth body corresponds to the first arc line, and the tooth shoe corresponds to the straight line. The magnetic field in the region between the tooth body and the first arc line is the strongest, the magnetic field in the region between the stator slot and the second arc line is the weakest, and the magnetic field in the region between the tooth shoe and the straight line is in the middle. The position and size of the straight line can be adjusted to adjust the magnetic field in the region. The motor iron loss is greatly reduced, the magnetic steel utilization rate is improved, and the motor harmonic loss is reduced.

This invention discloses an elevator counterweight frame, comprising a frame, a sheave, and a counterweight block. The frame has a space for accommodating the counterweight block. At least one sheave is provided, mounted on the counterweight upper beam at the top of the frame and rotatably connected to it. A power generation module is located on one side of the sheave body. The power generation module includes a stator frame, which is fitted onto and rotatably connected to the sheave's axle. Multiple winding posts are evenly distributed around the outer side wall of the stator frame, with coils wound around them. Multiple permanent magnets are evenly distributed around the edge of the sheave body, corresponding to the winding posts. Strain gauges are mounted on the counterweight upper beam. In this invention, the strain gauges and the power generation module work together to monitor the weight of the counterweight block, while the power generation module generates its own power to supply the strain gauges. Throughout the process, the mechanical energy of the sheave is converted into electrical energy, achieving self-sufficiency in electrical energy without the need for an external power source.

The invention relates to the technical field of integrated wire harnesses, and discloses a control type integrated wire harness of a wind energy storage cabinet, which comprises an anti-loosening device, the front surface of the anti-loosening device is fixedly connected with a wind power generation device, the back surface of the anti-loosening device is fixedly connected with a magnetic suction device, and the interior of the anti-loosening device is fixedly sleeved with a wire harness assembly. Wire harness assemblies are fixedly connected to the two ends of the anti-loosening device, the anti-loosening device comprises a protective shell, an air box assembly is fixedly connected to the inner wall of the bottom of the protective shell, a gravel funnel is connected to a top pipeline of the air box assembly, and the side face of the top of the gravel funnel is fixedly connected to the top of the protective shell in a sleeving mode. The top and the bottom of the gas tank assembly are in pipeline connection with two first gas pipes, so that the problems of poor contact or disconnection caused by the fact that the wire harness swings and shakes due to wind current and the connection between the wire harness and the connector is loosened and the problem that the connection of the wire harness is loosened due to frequent impact of wind and sand are solved.

The invention relates to the technical field of magnetic grinding mud recovery, in particular to a magnetic grinding mud auxiliary recovery device which comprises a treatment box, a waste liquid box, a feeding channel, a conveying table, a conveying belt, a strip-shaped permanent magnet block and a material guide plate, the bottom of the treatment box communicates with the waste liquid box, and the conveying table is arranged in an inner cavity of the treatment box and provided with the conveying belt; strip-shaped permanent magnet blocks are arranged on the conveying belt at equal intervals, the feeding channel is fixed to the processing box and guides the conveying belt, and the material guiding plate is fixedly connected to the processing box and is in butt joint with the conveying belt and provided with a discharging pipe. The inclined conveying table is arranged, when the conveying belt rotates, mud falling on the conveying belt can flow under the action of gravity, so that the contact area of magnetic grinding mud and the strip-shaped permanent magnet blocks is increased, and the convex blocks continuously push the magnetic grinding mud through the wedge-shaped blocks on the inner side face of the conveying belt, so that slight vibration is formed on the conveying belt.

The utility model relates to an integrated cleaning and measuring mechanism which comprises a box body, a plurality of magnets, a turntable driving part, a turntable, a photomultiplier tube, an upper cover, a fixing frame, a plurality of waste liquid extraction parts, a liquid extraction needle driving part and a plurality of liquid injection parts. An opening is formed in the circle center of the bottom of the box body, a circular groove is formed in the bottom of the box body, and a plurality of magnet grooves distributed at intervals are formed in the inner side and the outer side of the circular groove respectively; the lower end of an opening of the turntable is connected with a reaction cup accommodating cavity; the photomultiplier is arranged at the daylighting opening of the box body; the upper cover is provided with a grabbing and releasing opening and a plurality of open holes distributed at intervals in the circumferential direction. The fixing frame is fixed on the upper cover; the multiple waste liquid extraction parts are arranged on the fixing frame at intervals in the circumferential direction, and liquid extraction needles of the waste liquid extraction parts correspond to the holes of the upper cover; and the plurality of liquid injection parts are arranged at the plurality of holes of the upper cover. According to the structure, cleaning, separating and measuring are integrated, the occupied space is small, operation is convenient, and the experiment efficiency is greatly improved.

The utility model discloses a rotor assembly and a motor, and relates to the technical field of motors, the rotor assembly comprises a rotor yoke, a plurality of radial magnetic shoes and a plurality of circumferential magnetic shoes, and the rotor yoke is configured to be annular and rotates around a rotation axis; the plurality of radial magnetic shoes are connected to the inner side of the rotor yoke and configured to be magnetized in the radial direction of the rotating axis, and the plurality of radial magnetic shoes are arranged at intervals in the circumferential direction of the rotating axis; the plurality of circumferential magnetic shoes are connected to the inner side of the rotor yoke and configured to be magnetized in the circumferential direction of the rotating axis, and the plurality of circumferential magnetic shoes are located between every two adjacent radial magnetic shoes respectively; one side surface, facing the rotating axis, of each radial magnetic shoe comprises a first arc surface, and a first surface and a second surface which are connected to the two sides of the first arc surface in the circumferential direction, the distance between the first surface and the rotating axis is gradually increased in the direction away from the first arc surface, and the distance between the second surface and the rotating axis is gradually increased in the direction away from the first arc surface. The rotor assembly of the utility model can enhance the electromagnetic performance and improve the mute effect.

This invention relates to the field of magnetically coupled resonant wireless power transmission technology, specifically disclosing a lightweight energy receiving device and an energy coupling mechanism for use in large magnetic field spaces. The lightweight energy receiving device includes a cylindrical magnetic core and upper and lower planar magnetic cores respectively disposed at the top and bottom of the cylindrical magnetic core. It also includes a receiving coil wound around the cylindrical magnetic core, the receiving coil being wound into multiple planar coils sequentially connected along the axial direction of the cylindrical magnetic core, each planar coil being radially wound around the cylindrical magnetic core. The energy coupling mechanism includes a cylindrical energy transmitting coil and the lightweight energy receiving device. This lightweight energy receiving device can receive sufficient energy without causing excessive equivalent resistance that limits its power output, meeting the power requirements for long-distance wireless power transmission. It also has a certain resistance to angular offset, and its overall size and weight are small, making it suitable for general low-power electrical equipment.

The invention relates to the technical field of motors, in particular to a high-magnetism-gathering anti-saturation less rare earth permanent magnet and electromagnetic salient pole hybrid excitation motor which comprises a front end cover, a machine shell, a rear end cover, a rotating shaft, a stator and a rotor. The rotor is composed of a rotor iron core, neodymium iron boron permanent magnet steel, ferrite permanent magnet steel and an excitation winding, an even number of salient poles are uniformly distributed on the rotor iron core, arc-shaped contours are processed on two sides of a pole body of each salient pole to form a gourd-like excitation winding groove, the excitation winding is wound in the gourd-like excitation winding groove, and the excitation winding is wound in the excitation winding groove. Magnetic steel grooves for placing ferrite permanent magnet steel are formed in the outer sides of the gourd-like excitation winding grooves; and magnetic steel grooves for placing neodymium iron boron permanent magnet steel and arc-shaped magnetic isolation grooves are formed in the salient pole shoes. According to the invention, the magnetism gathering performance of the salient pole rotor can be effectively improved, the air gap flux density waveform can be improved, the distortion rate can be reduced, and the design of the gourd-like excitation winding grooves can effectively reduce the magnetic circuit saturation of the rotor and improve the torque performance of the motor.

The utility model relates to the technical field of outer rotors, in particular to a special-shaped outer rotor structure, a motor assembly and a generator device, and the special-shaped outer rotor structure comprises an annular part, a plurality of rotor magnetic gathering iron cores, a plurality of first magnetic parts and a plurality of second magnetic parts. The rotor magnetism gathering iron core comprises a sector ring fitting part, and the circle center of the sector ring fitting part is overlapped with the circle center of the annular piece; the plurality of rotor magnetic gathering iron cores are distributed on the inner ring surface of the annular piece at equal intervals, a first gap exists between the outer ring surface of the sector ring fitting part and the inner ring surface of the annular piece, a second gap exists between the adjacent rotor magnetic gathering iron cores, and the plurality of second gaps are radially arranged around the circle center of the annular piece; the first gap and the two adjacent second gaps are communicated and combined to form a special-shaped magnetic steel groove. The special-shaped magnetic steel groove is used for installing the first magnetic piece and the second magnetic piece. According to the utility model, reasonable design of the magnetic members and the magnetic steel grooves can be ensured, air gaps are reduced, and magnetic field intensity is improved.

The invention belongs to the technical field of plastic particle sorting, and particularly relates to intelligent sorting equipment for plastic particle production and a method thereof. A sorting barrel is connected to the base plate. According to the plastic particle sorting device, water is injected into the sorting barrel, then plastic particles are poured into the sorting barrel, the plastic particles can float on the water surface through the water, and metal scraps in the plastic particles and the plastic particles wrapped with metal can flow to the bottom of the inner side of the sorting barrel and are loaded in the bearing disc; meanwhile, a magnetic suction plate is powered on and operates to adsorb the metal chippings and the plastic particles wrapped with the metal, so that the metal chippings and the plastic particles wrapped with the metal are adsorbed into a bearing disc, and the possibility that the metal chippings and the plastic particles wrapped with the metal float upwards is reduced; and impurities such as dust and broken stones in the plastic particles can be screened out through water.

This utility model discloses a formula preparation device, which includes a housing, a bottle holder, and a magnetic assembly. The housing has a receiving groove, and at least a portion of the bottle holder is disposed within the receiving groove. The magnetic assembly includes a magnetic mating component and a magnetic component. The magnetic mating component and at least a portion of the magnetic component are arranged opposite to each other in a first direction. One of the magnetic mating component and the magnetic component is disposed on the bottle holder, and the other of the magnetic mating component and the magnetic component is disposed on the housing. The magnetic mating component and the magnetic component magnetically engage to make the bottle holder detachable relative to the housing. The bottle holder in the formula preparation device of this utility model is easy to disassemble, not easily damaged, and provides a good user experience.

The utility model discloses a cell sorting device which comprises a sorting mechanism, a placing part used for placing a sorting container and a magnetic attraction mechanism used for changing the magnetic field intensity of the sorting container, the sorting mechanism comprises a sorting frame and a swing frame arranged on the sorting frame in a swinging mode, and the placing part is arranged on the swing frame. A magnetic attraction plane used for being attached to the magnetic attraction mechanism is arranged on one side of the sorting container, a mounting base capable of horizontally moving is arranged on the swing frame, the magnetic attraction mechanism is arranged on the mounting base, and the mounting base horizontally moves to enable the magnetic attraction mechanism to be away from or close to the containing part. The cell sorting device has the advantages of simple structure, small occupied space, good magnetic attraction effect and the like.

This utility model discloses a magnetically attached triaxial high-frequency digital vibration sensor, relating to the field of digital vibration sensor technology. It aims to provide a triaxial high-frequency digital vibration sensor that can be magnetically attached to a product under test. The sensor includes a sensor body, a mounting frame, and an adsorption mechanism. The mounting frame is fixed to the sensor body, and the adsorption mechanism is mounted on the mounting frame. The adsorption mechanism includes an electromagnet assembly for adsorbing a compressor, thereby fixing the sensor body to the compressor. The adsorption mechanism also includes an adsorption block adapted to the compressor. A connector is provided between the electromagnet assembly and the adsorption block to connect the two. In this application, the sensor body can be directly magnetically attached to the compressor via the electromagnet assembly, facilitating the connection between the sensor body and the compressor. The installation method is simple and convenient, saving time and effort, and greatly improving detection efficiency.