79 results about "Magnetic wall" patented technology

A multilayer inductor is provided. The multilayer inductor includes a multilayer winding portion comprising a plurality of coil layers that are vertically stacked, and having an inner surface that defines a hollow of the plurality of coil layers and having an outer surface that defines an outer side and a magnetic compensator made of a soft magnetic material and comprising a magnetic wall located at at least one of the inner surface or the outer surface of the multilayer winding portion.

The invention discloses a double-wheel magnetic wall-climbing robot adopting permanent magnet adsorption, and relates to the technical field of detection robot production, the double-wheel magnetic wall-climbing robot comprises a main frame, a wheel base adjusting mechanism, a front frame and a rear frame, and the wheel base adjusting mechanism is connected with the front frame and the rear frame; the vehicle further comprises deformation magnetic wheels, the deformation magnetic wheels are arranged on the front vehicle frame and the rear vehicle frame, the deformation magnetic wheels comprise permanent magnet wheels and supporting wheels, deformation driving mechanisms are arranged in the deformation magnetic wheels, and the deformation driving mechanisms drive the supporting wheels and the permanent magnet wheels to be separated and deformed. The axle distance adjusting mechanism drives the front frame and the rear frame to keep rotating, and the axle distance between the deformation magnetic wheels on the front frame and the rear frame is adjusted. According to the double-wheel magnetic wall-climbing robot adopting permanent magnet adsorption, the front frame and the rear frame are driven by the axle distance adjusting mechanism to keep rotating, and the axle distance between the front deformation magnetic wheel and the rear deformation magnetic wheel can be synchronously adjusted; and the safety and the environment adaptability of the robot during high-risk crawling on the surface of the complex steel structure can be remarkably enhanced.

The utility model discloses a millimeter wave waveguide anti-leakage interface device. The device comprises a first rectangular waveguide and a PCB substrate. A first waveguide penetrating through the PCB substrate is arranged on the first side of the PCB substrate, and the center of a first waveguide port of the first rectangular waveguide is aligned with the center of a second waveguide port, located on the first side of the PCB substrate, of the first waveguide; a periodic structure is arranged on the layer where the first side of the PCB substrate is located and surrounds a second waveguide port, and when electromagnetic waves are propagated from the first rectangular waveguide to a first waveguide arranged on the PCB substrate through the first waveguide port, the periodic structure forms an ideal magnetic wall PMC on the corresponding surface and surrounds the waveguide port, so that the electromagnetic waves are transmitted to the first waveguide through the first waveguide port. Therefore, electromagnetic waves are prevented from leaking out from gaps between the first waveguide ports, stable transmission of the electromagnetic waves between the first rectangular waveguide and the first waveguide is ensured, the complexity and production difficulty of a waveguide antenna part mold are effectively reduced, and the production cost is reduced.

The utility model discloses a magnetic force wall-hung accessory and discloses a cabinet with the magnetic force wall-hung accessory, the magnetic force wall-hung accessory comprises a first embedded part, a second embedded part, a first magnetic attraction part and a second magnetic attraction part, the first magnetic attraction part is fixed in the first embedded part, the second magnetic attraction part is installed in the second embedded part in a telescopic and movable mode, and the first magnetic attraction part is fixed in the first embedded part. One part of the second magnetic attraction part can be inserted into the first embedded part and is connected with the first magnetic attraction part in a mutual magnetic attraction manner; by means of the magnetic attraction effect of the first magnetic attraction piece and the second magnetic attraction piece, the assembly and disassembly process is greatly simplified, and the installation efficiency is remarkably improved.

To provide a reusable temporary magnetic wall surface that can be quickly and easily installed without tools, does not create gaps even at joints or corners of a wall surface, and can be quickly and easily dismantled.SOLUTION: Two first joint protrusions 32 in the same surface at an inside corner side of a first joint 30 clamp a partition plate protrusion 15 at an outside corner side of a partition plate 10. Two second joint protrusions 42 in the same surface at an outside corner side of a second joint 40 clamp the partition plate protrusion 15 at an inside corner side of the partition plate 10. These fitting forces connect the two partition plates 10 via the first joint 30 and the second joint 40.SELECTED DRAWING: Figure 10

1. The name of this design product: Magnetic wall-mounted drone. 2. Purpose of this design product: used for steel structure damage detection and data collection. 3. The key point of the design of this product lies in its shape. 4. The picture or photo that best illustrates the design points: a three-dimensional diagram of the unfolded state.

To provide a magnetic attachment type illumination device capable of easily changing the arrangement and shape of light emitting items on a base plate and holding the beautiful appearance of the wall surface of the base plate after the change.SOLUTION: The power transmission device includes a magnetic wall (2) having a ferromagnetic material as a component, a light emitting item (4) detachably attached to the magnetic wall (2) by a magnetic attraction force, a high-frequency power generator configured to generate high-frequency power from DC power, a power transmission coil (31) electrically connected to the high-frequency power generator provided in the magnetic wall (2), and a power reception coil electrically connected to the light emitting item (4) and configured to receive the high-frequency power generated from the power transmission coil (31) by wireless power feeding and output the high-frequency power as an electric signal for turning on a light emitting element of the light emitting item (4).SELECTED DRAWING: Figure 1

The application discloses a free-turning curved-surface adaptive magnetic adsorption wall-climbing robot and a control method, relates to the field of wall-climbing robots, and comprises a frame unit, a front driving mechanism and a rear driving mechanism. The front driving mechanism is used for driving the robot to move in a first direction. The rear driving mechanism is used for driving the robot to move in a second direction. The first direction and the second direction are perpendicular to each other in a horizontal plane. The rear driving mechanism comprises a rear driving motor, an omnidirectional wheel assembly, a central shaft and a suspension-type permanent magnet unit. The suspension-type permanent magnet unit is passively rotatably sleeved on the central shaft through a bearing and can rotate around the central shaft with the change of the curvature of a magnetic guide surface, so that the magnetic force direction always points to the normal direction of a wall surface. The omnidirectional wheel assembly is fixedly connected with the central shaft in a concentric mode. The application can realize in-situ turning without setting an independent turning motor. The rear driving mechanism integrates the functions of turning driving and curved-surface self-adaptive adsorption. The application has a compact structure, can adapt to complex wall surfaces such as curved surfaces, and has stable adsorption and strong passability.

The utility model provides a semi-magnetic device with consistency and stability and an electromagnetic device. The semi-magnetic piece comprises a magnet and a plurality of external terminals, the magnet comprises a magnetic cover plate and a magnetic core, the magnetic core comprises a magnetic column and two magnetic walls arranged at the two ends of the magnetic column, the external terminals are arranged on the corresponding magnetic walls, the same magnetic wall is provided with at least two external terminals, and each external terminal at least comprises a side electrode and a patch electrode which are vertically connected. The side electrodes extend to be higher than the magnetic wall and are attached to the side face of the magnetic cover plate, the side face of the magnetic cover plate is provided with a first protruding part, the first protruding part extends to the position between the two adjacent side electrodes, the magnetic cover plate is restrained through the two adjacent side electrodes, the magnetic cover plate and the magnetic core are not prone to dislocation, and consistency and stability of products can be guaranteed.

The invention relates to a multifunctional track magnetic type wall-climbing robot for sand blasting and rust removal of a ship. The sand blasting robot is arranged on the chassis and is used for sand blasting and rust removal; the adsorption climbing device enables the chassis to climb along the ship wall; the slag removal device is used for directionally removing solid impurities; the slag removal device comprises a swing mechanism, a slag removal mechanism and a slag removal mechanism, the power mechanism is used for providing power for the swinging mechanism to enable the swinging mechanism to swing; the judging mechanism is used for judging the number of particles in the advancing path; and the power mechanism also provides kinetic energy for the judgment mechanism. According to the method, different conditions of solid particle impurities are judged, so that the effect of cleaning the solid particles in different modes is achieved, and it is guaranteed that wall-climbing sand blasting rust removal work is conducted efficiently.

1. Name of the designed product: magnetic wall lamp (acrylic). 2. Use of the designed product: used for adsorption on the wall lighting. 3. Design points of the designed product: in shape. 4. Picture or photo that best shows the design points: perspective view 1. 5. Other circumstances that need to be explained: the designed product is made of transparent material.

The invention relates to a steel structure bolt detection system suitable for a complex environment. The magnetic type wall-climbing robot is used for acquiring pre-tightening force or loosening state data of a bolt, the unmanned aerial vehicle is used for acquiring a missing, rusting or damage state image of the bolt, the multi-modal fusion judgment unit is used for performing data fusion and intelligent analysis on detection data, and the path planning and cooperative control unit is used for performing cooperative control on the detection data. The maintenance work order generation unit is used for automatically generating a maintenance work order comprising a fault position, a fault type and suggested measures according to a comprehensive state judgment result, so that direct and quantitative detection on the mechanical state of the bolt is realized through the magnetic wall-climbing robot, and the problems of subjectivity and incapability of quantification of a manual knocking method are solved.

1. Name of the product in this design: Magnetic Wall Lamp (ST6027A). 2. Purpose of this design: for lighting. 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.

The invention relates to the field of welding, in particular to a non-magnetic workpiece shape follow-up welding method and a welding device.The welding device is used for welding a workpiece and a T-shaped reinforcing rib and comprises a trolley body and a welding gun connected with the trolley body, and the T-shaped reinforcing rib serves as a bearing track of the trolley body; and the trolley body drives the welding gun to move along the welding seam track of the T-shaped reinforcing rib and the workpiece. Under the condition that an external rail is not used, the problem that the non-magnetic T-shaped reinforcing rib and a workpiece are difficult to weld through a magnetic wall-climbing robot can be solved. The T-shaped reinforcing rib can serve as a bearing track of the trolley body, so that when the T-shaped reinforcing rib moves along with the shape of the T-shaped reinforcing rib, a welding gun is always located at the to-be-welded position of the T-shaped reinforcing rib and the workpiece, and it is guaranteed that all the to-be-welded positions can be welded.

The invention provides a self-adaptive obstacle-crossing magnetic wall-climbing robot, and relates to the field of wall-climbing robotics.The self-adaptive obstacle-crossing magnetic wall-climbing robot comprises a vehicle body mechanism and multiple sets of integrated wheel set mechanisms, the integrated wheel set mechanisms are used for driving the vehicle body mechanism to move, and each integrated wheel set mechanism comprises a hub motor, an external planetary gear assembly and a permanent magnet assembly; the wall-climbing robot can passively adapt to wall surface characteristics, the posture of the permanent magnet unit is rapidly and actively adjusted through the motion state of the wall-climbing robot, obstacle crossing is automatically completed without a control strategy, and the motion performance and applicability of the wall-climbing robot are greatly improved; according to the planetary gear assembly, the permanent magnet adsorption characteristic is matched in a pure mechanical passive mode, the relative fixing and output relation of the sun gear, the planet carrier and the gear ring is changed, switching of the forward high-speed low-torque operation function and the reverse low-speed large-torque magnet driving function is achieved, and the market value is large.

The application relates to the technical field of antenna devices, and particularly discloses a compact waveguide slot antenna, which comprises a substrate integrated cavity, an antenna radiation slot layer, a feed source excitation structure and an equivalent magnetic wall; the antenna radiation slot layer is arranged on the lower surface of the substrate integrated cavity; the feed source excitation structure is arranged below the substrate integrated cavity; and the distributed equivalent magnetic wall is formed through a medium-air interface of a long-side sidewall of the waveguide. The compact waveguide slot antenna is excited by adopting a microstrip line coupling slot feed mode to generate a TE20 mode, and the equivalent magnetic wall is introduced to optimize the surface current distribution of the substrate integrated waveguide, reduce the influence of the position deviation of the radiation slot caused by the machining error on the antenna performance, significantly reduce the size of the antenna, reduce the number of metal through holes, and reduce the machining cost, so that the antenna has the advantages of compact structure and stable performance.

The invention discloses a magnetic-attraction splicing literature genre time shaft wallboard assembly, and relates to the technical field of teaching or display appliances, and the magnetic-attraction splicing literature genre time shaft wallboard assembly comprises a magnetic-attraction wallboard body; the magnetic attraction time line shaft can be attracted to the magnetic attraction wall plate body, the magnetic attraction time line shaft comprises a main line shaft and an end line shaft, the end line shaft is connected to one end of the main line shaft through a deformable connecting line body, the end line shaft and the main line shaft can be spliced into a whole or separated from each other, and the main line shaft is provided with a clamping jaw assembly which can be used in cooperation with the time sign in a separable mode; the magnetic type storage box is used for storing time signs. The method has the technical advantage of being flexible and convenient to use.

The present application provides a magnetic device, comprising a magnetic core body. The magnetic core body comprises a first magnetic plate, a second magnetic plate, a magnetic post, a first magnetic wall and a second magnetic wall, wherein two opposite ends of each of the magnetic post, the first magnetic wall and the second magnetic wall are respectively connected to the first magnetic plate and the second magnetic plate, and the magnetic post is located between the first magnetic wall and the second magnetic wall; and the first magnetic plate and the second magnetic plate are both provided with winding holes through which windings pass, and the winding holes are located on the first magnetic plate and the second magnetic plate between the first magnetic wall and magnetic central posts and between the second magnetic wall and the magnetic central posts, so as to form two or more hybrid crossed magnetic circuits, thereby improving the heat dissipation performance of the magnetic device.

1. The name of this design product: Magnetic wall lamp (traditional chassis). 2. Purpose of this design product: for lighting. 3. The key point of the design of this product lies in its shape. 4. The picture or photo that best illustrates the design points: Stereoscopic drawing 1.

1. The name of the design product: storage box (magnetic wall-mounted storage box). 2. The use of the design product: a box for storing items. 3. The design features of the design product: in shape. 4. The picture or photo that best indicates the design features: perspective view.

The invention provides a beam welding seam autonomous detection method and system based on a magnetic wall climbing device and application, and relates to the technical field of structure detection. The method comprises the following steps: constructing a simulated metal welding seam and constructing a defect; controlling the magnetic wall climbing device to move relative to the simulated metal welding seam, generating an alternating magnetic field in the metal welding seam by utilizing the magnetism of the magnetic wall climbing device, and synchronously acquiring eddy current information induced by the alternating magnetic field and image information of the simulated metal welding seam; training a weld defect prediction model based on the eddy current information and the image information; the magnetic wall climbing device is controlled to move on the surface of the beam welding seam, an alternating magnetic field is generated in the beam welding seam through magnetism, and real-time eddy current information and images of the beam welding seam are synchronously collected; real-time eddy current information and images are input into the weld defect prediction model, and prediction defect information is output and comprises defect types and corresponding severity degrees. According to the invention, the technical problem of lack of effective intelligent detection of beams such as bridge and gate type hoisting machinery in the prior art is solved.

The invention provides a potting inductor, a preparation method of the potting inductor and a converter, and the potting inductor comprises a housing which is provided with an installation cavity; the coil is accommodated in the mounting cavity; the magnetic core assembly is contained in the mounting cavity and forms a magnetic core wall surrounding the coil around a preset axis and a magnetic core column penetrating through the coil in the first direction; the magnetic core wall comprises a first magnetic wall extending along a first direction and a second magnetic wall extending along a second direction; the first magnetic wall and the second magnetic wall are fixedly connected or are of an integrated structure; at least a magnetic core column in the magnetic core assembly and / or at least part of the first magnetic wall in the magnetic core wall are / is composed of magnetic core pieces; the magnetic core piece comprises a magnetic core block and a first adhesive layer; the magnetic core block is provided with two side end faces arranged in the first direction, and a reinforcing face is formed between the two side end faces. The first adhesive layer covers the reinforcing surface; and the thermal expansion coefficient of the first adhesive layer is equivalent to that of the magnetic core block. The potting inductor can solve the problem that the magnetic core is easy to crack in operation.

The application is suitable for the technical field of magnetic wall-climbing robots, and provides a manufacturing method of a transfer assembly of a magnetic wall-climbing robot, which comprises multiple groups of bottom plates, two groups of side plates and multiple groups of combined pages, the multiple groups of bottom plates are arranged side by side along the width direction, the bottom plate comprises a first transfer plate, the first transfer plate is provided with two groups of first slope plates along the length direction, the two groups of first slope plates are arranged at the two end portions of the first transfer plate respectively, the first slope plate is provided with a group of first bending grooves at the two ends along the width direction of the first transfer plate respectively, the first transfer plate has a first lower end face, the first slope plate has a first lower inclined face and a first bottom face, and the first lower inclined face and the first lower end face have a first plate interval angle a. The device solves the problem of high cost of wall-climbing robot transfer, achieves the effect of convenient wall-climbing robot transfer, low manufacturing cost and convenient operation.

The application discloses an integrated cavity slot antenna, which comprises a PCB core plate, the PCB core plate has a first surface and a second surface opposite to the first surface, a first metal sheet is arranged on the first surface, a second metal sheet is arranged on the second surface, and a plurality of first metallized through holes are further arranged on the PCB core plate and penetrate from the first surface to the second surface; the PCB core plate has a first side edge, a second side edge, a third side edge and a fourth side edge, the first metallized through holes are distributed on the first side edge, the second side edge and the third side edge to form a magnetic wall structure; the first metallized through holes, the first metal sheet and the second metal sheet are integrally arranged on the PCB core plate. The first metallized through holes are directly made on the PCB core plate, the first metal sheet and the second metal sheet are arranged on the first surface and the second surface of the PCB core plate respectively to form the cavity slot antenna, the cavity slot antenna is directly formed on the PCB core plate, and no additional installation is needed, so that the tolerance problem of antenna assembly is solved.

The invention provides a quarter-mode common-cavity substrate integrated ridge waveguide filter which comprises a first dielectric plate layer, a second dielectric plate layer, a third dielectric plate layer and metal holes perpendicular to the first dielectric plate layer, the second dielectric plate layer and the third dielectric plate layer from top to bottom. The first dielectric plate layer comprises a first dielectric main body, and a first metal layer, an input feeder and an output feeder which are positioned on the upper surface of the first dielectric main body; the second dielectric plate layer is a bonding layer; the third dielectric plate layer comprises a third dielectric main body, and a second metal layer and a third metal layer respectively positioned on the upper and lower surfaces of the third dielectric main body; the metal holes comprise a first through hole, a second through hole, a third through hole, a first blind hole and a second blind hole which are respectively used for isolating cross coupling and forming magnetic coupling, magnetic wall coupling, resonator coupling and dispersion coupling. The dispersion coupling blind holes and the magnetic coupling through holes are formed based on the laminated plate structure, the combination of two coupling structures is realized, the flexibility of the coupling topological structure is improved, and the frequency band and the transmission zero point are flexible and easy to adjust.

This invention belongs to the field of microwave circuit technology, specifically providing a fourth-order filter based on a half-mode resonator to achieve performance characteristics of small size, high selectivity, and high out-of-band suppression. The invention includes: a port coupling structure, namely an input coaxial port and an output coaxial port; a filter cavity structure, namely the cavity itself; a window coupling structure, namely a long-side window coupling via and a short-side window coupling via; and a tuning structure, namely a first tuning structure, a second tuning structure, a third tuning structure, and a fourth tuning structure. This invention utilizes the high dielectric constant of the cavity itself to create a virtual magnetic wall, thereby realizing a half-mode operating dielectric waveguide resonator, and then uses four resonators to form a fourth-order bandpass filter. Due to its novel design concept, this invention reduces the size by approximately 50% compared to traditional fourth-order bandpass filters. This invention can be used in communication systems and millimeter-wave related applications.

The application discloses a kind of FSIW millimeter wave microstrip antennas based on high-order mode, including multiple periodic array distribution antenna module;Each antenna module is 2x2 antenna array, including antenna radiation structure, two FSIW cavity structure, Y-type waveguide power divider.Antenna radiation structure includes antenna radiation unit, first dielectric layer, first metal layer;Antenna radiation unit includes four metal rectangular patches.Wherein, metal rectangular patch is used as antenna unit to radiate outward, and a group of symmetric coupling feed slots is etched on the two sides directly below each unit, which is used by high-order mode TE 20 mode;FSIW cavity for conducting TE 20 Mode is formed by folding inward on both sides through ideal magnetic wall surface, reducing nearly 33% of the plane area.The antenna of the application obtains 8.93% impedance bandwidth, lower than 13.4dB side lobe level and 12.85dBi maximum peak gain, and can be directly integrated with millimeter wave radio frequency front-end circuit.

This application provides a method, system, and application for controlling the climbing path of a magnetic wall climber, relating to the field of structural inspection technology. The method includes: acquiring the planned climbing path of the magnetic wall climber and the corresponding inclination angle information; dividing the planned climbing path into several climbing segments and climbing stations based on the inclination angle information; setting climbing motion information for each climbing segment and constructing a motion model for the magnetic wall climber; acquiring the current position information of the magnetic wall climber and calculating the theoretical motion information of the current magnetic wall climber based on the motion model; acquiring the actual motion information of the current magnetic wall climber; constructing a climbing adjustment model and performing climbing adjustments based on the theoretical and actual motion information. This application solves the problem of the lack of effective control for magnetic wall climbers in structural inspection processes.