20 results about "Electromagnetic devices" patented technology

The invention relates to the technical field of excavator bucket rods, and provides a bucket rod composite damping device and an excavator. The device comprises a shell composed of a base, an outer shell and a stress shell; the magneto-rheological buffer device is installed in the shell and composed of a lattice structure made of magneto-rheological elastomer materials and magneto-rheological fluid filled in gaps corresponding to the lattice structure, and a plurality of sound absorption holes are formed in each cell element wall in the lattice structure; the electromagnetic device is located in a containing cavity formed in the lattice structure and is composed of a magnetic core and an electromagnetic coil; the anti-vibration pad and the stress plate are embedded in the top of the shell and are in contact with the stress plate; the damping springs are arranged on the periphery of the shell and fixedly connected between the stress plate and the base; the vibration monitoring module is used for collecting vibration data of the bucket rod in real time and transmitting the vibration data to the intelligent control module, and the intelligent control module is used for adjusting the output magnetic field intensity of the electromagnetic coil according to the vibration data so as to adjust the viscosity of the magnetorheological fluid in real time.

The application relates to a control method and an AI self-closing valve, and relates to the technical field of self-closing valves, which comprises the following steps: collecting a surrounding image of a gas stove; collecting a gas stove image when the surrounding image contains a preset human feature; recognizing an actual gas flow through the gas stove image; obtaining electromagnetic operation parameters in response to the actual gas flow; taking a valve flap of a gas outlet of a self-closing valve as a detection valve flap; controlling the electromagnetic device to operate at the electromagnetic operation parameters, and collecting a detection position of the detection valve flap and sound detection information; obtaining a foreign matter type and a foreign matter position based on the sound detection information; updating the electromagnetic operation parameters in combination with the foreign matter type, the foreign matter position and the detection position; and controlling preset electromagnetic devices to drive the detection valve flap to slide at the electromagnetic operation parameters. The application has the effect of improving the safety of gas use.

An electromagnet device includes a coil, a pulley, an iron core, a yoke, a movable iron piece, an auxiliary yoke, and a permanent magnet. The coil is wound around the pulley. The iron core is located inside the pulley. The yoke includes a base portion and an extension portion. The base portion extends in a direction intersecting an axial direction of the iron core and is fixed to one end of the iron core. The extension portion is connected to the base portion and arranged laterally relative to the coil. The movable iron piece is rotatably supported by the extension portion of the yoke. The auxiliary yoke is connected to an outer side of the base portion of the yoke. The permanent magnet is positioned on an extension line of the axis of the iron core and is located between the base portion of the yoke and the auxiliary yoke.

The application discloses a low-voltage split excitation tripping device, which solves the problem of failing to realize tripping at low voltage. The electromagnetic device comprises an electromagnet mechanism and a swing support, the electromagnet mechanism is electrically connected with an input end; the swing support comprises an attraction end, a pressing end and a fulcrum, the fulcrum of the swing support is closer to the pressing end, the swing support is rotatably connected to a shell body around the fulcrum of the middle frame body, the attraction end is in attraction cooperation with the electromagnet mechanism, and the pressing end is in pressing cooperation with a tripping support. The electromagnet mechanism attracts the swing support through electromagnetic force, the attraction end of the swing support is close to or contacts the electromagnet mechanism, the pressing end presses on the tripping support to make the tripping support displace, and the tripping device is tripped; since the fulcrum of the swing support is closer to the pressing end, the electromagnetic attraction force required by the electromagnet mechanism can be smaller to cause the attraction reaction, low-voltage tripping can be realized below 70% of a rated control power voltage, and the safety protection performance of the product is greatly improved.

The application discloses a broken bridge system intelligent door, the door frame and the door leaf of which are of a broken bridge heat insulation structure, and in addition, the door leaf and the door frame are provided with an electromagnetic device and an intelligent door lock, the intelligent door lock and the electromagnetic device are linked and controlled through two interconnected controllers, and in addition, the door frame is provided with a trigger structure which is triggered by pressure to open the electromagnetic device. The application improves the tightness after the door is closed through the broken bridge heat insulation structure and the magnetic attraction device, and the intelligent door lock linked and controlled with the magnetic attraction device is arranged to realize mutual cooperation in the whole door closing process, so that the heat insulation, sound insulation and tightness of the door are improved, and the above performances are mutually strengthened. Specifically, the magnetic attraction device realizes self-attraction while firmly closing the door leaf, the locking tongue does not rub against the lock hole while being closed, the locking tongue is protected, the intelligent door lock can receive the pressure value feedback of the electromagnetic device to determine whether the locking tongue needs to be pushed out.

This electromagnetic device comprises: an annular coil bobbin; and a core provided with an annular accommodation part in which the coil bobbin is accommodated. The inner circumferential surface of a trunk section of the coil bobbin is provided with a first engagement part. The outer circumferential surface of a central protrusion that demarcates the accommodation part is provided with a first locking part that locks the first engagement part.

The invention relates to an AI self-closing valve control method and an AI self-closing valve, and relates to the technical field of self-closing valves, and the AI self-closing valve control method comprises the steps that surrounding images of a gas stove are collected; when the surrounding image contains the preset character features, collecting a gas stove image; the actual gas flow is recognized through the gas stove image; responding to the actual gas flow to obtain electromagnetic operation parameters; a valve clack at an air outlet of the self-closing valve is used as a detection valve clack; the electromagnetic device is controlled to operate according to the electromagnetic operation parameters, and the detection position and sound detection information of the detection valve clack are collected; obtaining a foreign matter type and a foreign matter position based on the sound detection information; and the electromagnetic operation parameters are updated by combining the foreign matter type, the foreign matter position and the detection position, and a preset electromagnetic device is controlled to drive the detection valve clack to slide according to the electromagnetic operation parameters. The gas stove has the effect of improving the safety of gas use.

The electromagnetic device comprises a magnet core with a longitudinal axis having a first region and a second region, a coil former arranged around the second region of the magnet core, the coil former having at least one receiving region for receiving at least one coil winding of a coil, and a housing made of magnetic material, the housing circumferentially surrounding the magnet core and the coil former, the housing having at least one contact region surrounding and contacting the magnet core. The first region of the magnet core has at least one convex portion on a surface of the magnet core facing the contact region of the housing, the convex portion being formed such that the magnet core does not contact the housing in a section along the longitudinal axis between the convex portion and the second region of the housing.

An electromagnet device includes a coil, a pulley, a first coil terminal, a second coil terminal, and a third coil terminal. The pulley includes a body portion around which the coil is wound, and a flange portion extending from the body portion. The first coil terminal includes a first binding portion extending from the flange portion in an axial direction of the body portion. The second coil terminal includes a second binding portion extending from the flange portion in the axial direction. The third coil terminal is located between the first coil terminal and the second coil terminal. The third coil terminal includes a third binding portion. The third binding portion includes a base end portion and a distal portion extending from the base end portion in a direction approaching the second binding portion.The base end portion is located eccentrically relative to an axis of the body portion in a direction leading from the second coil terminal to the first coil terminal.

Underground pipeline mapping and inspection utilizes phase shifts and voltages of electromagnetic signals transmitted to and received from the underground pipeline to determine any displacement of the underground pipeline.

An electromagnetic, EM, device, includes: a three-dimensional, 3D, body having a dielectric material, the 3D body having a first dielectric portion, 1DP, and a second dielectric portion, 2DP, wherein

This utility model discloses a multifunctional electromagnetic shielding room, relating to the technical field of electromagnetic shielding rooms. It includes an outer frame with multiple layers of outer shell panels fixedly connected to its outer surface. An entrance door is located on the front outer shell panel of the outer frame. A delivery pipe is mounted on the top of the outer frame, and a gas extinguishing system control box is connected to the end of the delivery pipe. Multiple vertical pipes penetrate the bottom of the delivery pipe, and sprinkler nozzles are installed at the bottom ends of the vertical pipes. A cavity is formed inside the outer frame, and multiple heat-sensing fire detectors are installed on the top of the inner side of the cavity. Multiple first partitions are provided on one side of the inner wall of the cavity. This utility model, through its series of structural features, can effectively suppress initial fires, reduce the probability of equipment damage and experimental data loss within the shielding room, and remove the restriction on independent experiments of electromagnetic equipment within the shielding room, thereby enhancing the application value of the electromagnetic shielding room.

Systems and methods for controlling electromagnetic devices are disclosed. The system can include one or more processors configured to communicate with one or more radio managers to provide commands and receive information from one or more devices associated with each respective radio manager. The one or more processors can condition the responses and requests from and to the radio managers to be compatible with an application operating on a user device.

The utility model discloses a miniature self-locking electromagnet, which belongs to the technical field of electromagnetic equipment and comprises a shell, a telescopic permanent magnet is fixedly mounted on the inner bottom wall of the shell, a reset mechanism is arranged in the shell, a self-locking mechanism is arranged in the shell, and the reset mechanism and the self-locking mechanism are fixedly mounted on the inner bottom wall of the shell. And a magnetic attraction mechanism is arranged in the reset mechanism, an adjusting mechanism is arranged in the reset mechanism, and an iron core rod with one end penetrating through and extending out of the shell is fixedly installed at the bottom end of the reset mechanism. According to the utility model, the reset mechanism and the self-locking mechanism are arranged, so that the extension and retraction states of the telescopic column can be self-locked, and the electromagnet is allowed to be maintained at the last operation position even in a power-off state and cannot automatically reset, so that the problem of misoperation of an external mechanism caused by accidental power-off is avoided; and the operation stability and reliability of the electromagnet are obviously enhanced.

An electromagnetic device used in an oil, the electromagnetic device comprising: an outer casing (2); a movable shaft (4) supported by the outer casing (2); a coil core (53A, 53B, 58A, 58B) arranged within the outer casing (2) such that the movable shaft (4) is arranged on a common axis with the movable shaft; and a coil (70, 70A) embedded in an outer mold (54), the coil (70, 70A) being constructed by winding a conductor wire (50, 50A, 50B), in which a copper wire (51) is coated with an electrical insulating layer (52), onto the coil core (53A, 53B, 58A, 58B), wherein the electrical insulating layer (52) is removed from an end portion of the conducting wire (50, 50A, 50B), and the end portion of the conducting wire (50, 50A, 50B) is wound onto a fixing portion (8a) of a coil terminal (8, 8A, 8B, 8C) attached to the coil core (53A, 53B, 58A, 58B) to form a winding portion (90, 91), a solder retaining member (62, 63) is mounted such that it covers the winding portion (90, 91) of the lead wire (50, 50A, 50B) on the fixing portion (8a) and leaves portions of the coil terminals (8, 8A, 8B, 8C) uncovered, and the winding portion (90, 91) of the lead wire (50, 50A, 50B) is soldered to the fixing portion (8a) together with the solder retaining member (62, 63), wherein the solder (56) is filled into the solder retaining part (62, 63).

The utility model discloses an electromagnetic equipment fault diagnosis device based on wireless communication, which belongs to the technical field of electromagnetic equipment diagnosis, and comprises a tester and an interface, the interface is arranged on the outer surface of the tester, an electric leakage clamp storage assembly is arranged in the tester, and the electric leakage clamp storage assembly is arranged in the tester. A lighting assembly is arranged on the outer surface of the tester; through mutual cooperation of the sliding rail, the spring, the partition plate and the cover plate, the electric leakage clamp can be placed in the storage chamber to be stored, the situation that workers spend extra time to find the electric leakage clamp when needing to use the electric leakage clamp due to independent storage of the electric leakage clamp is avoided, and therefore the working efficiency can be improved, the tool searching time is shortened, and the working efficiency is improved. The continuity and smoothness of the detection work are ensured, the electric leakage clamp is further protected from being influenced by the external environment, the service life of the electric leakage clamp is indirectly prolonged, and the working area can be illuminated when the detection light is insufficient through the mutual cooperation of the illuminating lamp and the telescopic spring tube.

The invention relates to the technical field of water entry slamming tests, in particular to a deterministic water entry slamming test device and method under a regular wave condition. Comprising a supporting frame, a guide rail, a sliding block, a clamp, an electromagnet, an armature, an electric hoist, a flexible rope, a relay, a control box and a proximity switch. The supporting frame plays a role in overall supporting, the guide rails are fixed to the two sides of the supporting frame, and the model structure is connected with the guide rails through the clamps and the sliding blocks and has the vertical movement capacity. The upper end of the clamp is hung on an electric hoist through an electromagnet device, the electric hoist is fixed to the top of the supporting frame, the water entering speed of the model structure can be controlled by adjusting the release height, and meanwhile a flexible rope is arranged between the clamp and the electric hoist to prevent the model from touching the bottom after entering water. The proximity switch is used for feeding back the water surface height in real time so as to monitor the wave height, the target working condition wave height is set, and the relay and the control box are used for setting delay time to control release of the electromagnet.

This utility model relates to the field of solenoid valve technology and discloses an air spring stiffness control solenoid valve, including a main tube and two connecting tubes, which are respectively fixedly installed on both sides of the main tube. It also includes a fixing plate, which is located on the top of the main tube. An electromagnetic device is fixedly installed on the top of the fixing plate, containing two electromagnetic coils. A power socket is fixedly installed on one side of the electromagnetic device. An air spring is located on the main tube directly below the fixing plate, and a piston is fixedly installed at the bottom of the air spring. A filter screen ensures that dust and particulate impurities entering the main tube are filtered and intercepted, preventing them from entering the air spring or affecting the movement of the piston. Simultaneously, a rotating scraper scrapes the impurities on the filter screen, causing them to fall into a collection box in the collection chamber below. This achieves self-cleaning without manual intervention, extending the service life of the solenoid valve and reducing maintenance costs.