98 results about "Electromagnetic lock" patented technology

The utility model discloses a novel electromagnetic lock mounting plate, including lock head, mounting plate and install the relay plate on the mounting plate, the first screw rod is fixed with symmetry to the side of mounting plate close to lock head, and the inside symmetry of relay plate is provided with the installation slot, and the inside of installation slot is equipped with the adjusting assembly of cooperation with the first screw rod, adjusting assembly includes the second screw rod of fixedly being equipped with the symmetry on the side wall of installation slot, the first connecting plate of being located the inside of installation slot and the second connecting plate of fixedly being equipped with the end of first connecting plate, the inside of first connecting plate and second connecting plate all are provided with rectangular groove, and the nut of end screw thread connection has the nut of end screw thread connection also, the second screw rod is moved in the rectangular groove of second connecting plate and the end is also screw thread connection has the nut. Through above -mentioned structure, the relay plate of fine adjustment mechanism is convenient for position adjustment when the door fan deformation to better with lock head contact, avoided the trouble that needs to reinstallation, and the practicality is strong.

This specification provides a wafer cassette docking system that, through the systematic integration of local environmental control, multimodal sensing, and active compliant adjustment functions, achieves an overall performance improvement in the wafer cassette docking process. It can form a stable positive pressure laminar flow air curtain at the initial stage of docking, effectively isolating external particles and providing a continuous ultra-clean environment for the wafer. Employing a multi-sensor fusion scheme consisting of global vision, laser ranging, and feature recognition, it can quickly and comprehensively acquire the six-degree-of-freedom pose information of the wafer cassette, providing a high-precision data foundation for subsequent fine alignment. A micro-motion adjustment platform based on piezoelectric ceramic actuators, combined with real-time closed-loop feedback control, enables nanometer-level active compliant alignment, significantly improving alignment accuracy and reliability. An electromagnetic locking mechanism ensures the stable maintenance of the final pose. The collaborative work of each module improves docking accuracy and efficiency, and also enhances the system's adaptability and stability under different operating conditions.

The application relates to a modular magnetic reconfiguration parallel robot joint system for on-orbit autonomous assembly of a spacecraft, and belongs to the technical field of space equipment. The system is aimed at solving the problems of poor flexibility, low reconfiguration efficiency, difficulty in balancing high precision and high stiffness, and low reliability of existing space parallel robots. The technical scheme comprises a Halbach array magnetic ball and an electromagnetic locking ring of a magnetic joint module, a carbon fiber telescopic connecting rod micro servo motor and a harmonic reducer of a distributed drive branch chain, a multi-sensor data fusion unit configuration optimization algorithm module and a real-time control unit of an intelligent control system. The system can realize rapid joint mode switching, improve task response and execution efficiency, autonomously switch between precision mode and high stiffness mode to meet different operation scene requirements, adopt non-contact magnetic transmission to avoid friction and wear and pollution, improve system service life and reliability, and realize modular design for convenient maintenance and upgrading.

The utility model relates to a door lock system for low temperature preservation box and contain its low temperature preservation box belongs to low temperature preservation equipment technical field, that door lock system includes rotary handle lock, electromagnetic lock and controller, rotary handle lock includes lock core, handle installation subassembly, handle and position monitoring subassembly, handle includes rotary lock and handle part, and rotary lock is connected in handle installation subassembly to rotate between first position and second position, when rotary lock is located first position, rotary lock and lock core lock, when rotary lock is located second position, rotary lock and lock core are separated, position monitoring subassembly is used for monitoring whether rotary lock is located first position, controller and position monitoring subassembly and electromagnetic lock are connected communication respectively, to control electromagnetic lock to open the lock when monitoring that rotary lock is no longer located first position. The door lock system adopts rotary handle and electromagnetic lock linkage control, only needs to rotate handle when opening the door, and the operation is simple and convenient.

The utility model relates to a kind of automatic getting-on and getting-off machine dog unmanned vehicle, comprising: carriage and vehicle body;Carriage is located on vehicle body, and carriage and vehicle body are integrated structure;First laser radar is equipped in the top of vehicle body front end;The lateral wall of carriage is hinged with car side door;Carriage tail is hinged with car tail door, and ladder is installed on car tail door;Machine dog is placed in the carriage.The utility model has the beneficial effect that: ladder is set in car tail door, so that machine dog enters and exits unmanned vehicle, avoids machine dog to skid when entering and exiting unmanned vehicle;The height of each level of ladder and the ground clearance of last level and the walking height of machine dog are matched, to prevent machine dog from climbing and falling;When unmanned vehicle is driving, car tail door is locked in the tail of vehicle by electromagnetic lock;Limit switch is arranged on the tail, and the limit switch is provided with telescopic structure, when the extended part is completely retracted into the limit switch, electromagnetic lock is completely locked;Through electromagnetic lock and limit switch, car tail door is firmly locked in the tail.

This safety lock mechanism comprises: a mechanical-lock-type electromagnetic lock switch configured to perform an operation for returning to an original position upon sensing that a lock remains released, the electromagnetic lock switch inserting an operation key fixed to an opening / closing door into a key insertion opening in a switch body fixed to a support-member side, thereby locking the closed opening / closing door by restricting the operation key from falling out; a lock release operation means for operating a lock release means that releases the lock of the operation key within the switch body when not energized; and a stopper member that prevents the full closing of the opening / closing door in conjunction with the lock release operation performed by the lock release operation means.

This invention provides an electromagnetic lock module for an aircraft cockpit door with power-off reset and anti-blocking functions, belonging to the field of aircraft avionics system technology. It includes a base, housing, door locking mechanism, stepper motor assembly, control circuit board, and status detection module. The door locking mechanism includes an anti-blocking hook assembly and a locking pin assembly. The stepper motor assembly is energized only momentarily during action, driving the locking pin to move and achieve locking and unlocking, solving the problems of overheating, high energy consumption, and short lifespan caused by continuous power supply in traditional electromagnetic locks. The module integrates multiple detections, including locking pin position and door position, for real-time status monitoring. A specially designed anti-blocking transmission mechanism allows for separation and automatic reset when the locking pin is jammed, preventing damage. The module has an automatic release function upon power failure, ensuring reliability for emergency evacuation. This invention features a robust structure, high fault tolerance, and meets aviation standard requirements.

Embodiments of the present disclosure disclose an interface test and electromagnetic lock replacement method, device, electronic equipment and readable medium. A specific embodiment of the method comprises: generating an atomized interface configuration file sequence corresponding to test request information; loading an environment variable pool from a preset storage; sequentially for each atomized interface configuration file in the atomized interface configuration file sequence, performing the following test steps: injecting the environment variable pool and the operation configuration parameter information in the atomized interface configuration file into the execution context of an external test script file; updating the current environment variable pool; initiating an operation request to the electromagnetic lock of the cabinet access control equipment; in response to determining that each interface test data generated indicates that the lock control operation test fails, controlling the relay and lock replacement mechanical arm on the cabinet access control equipment to replace the electromagnetic lock with a backup electromagnetic lock. This embodiment reduces the number of times the cabinet door cannot be normally opened or closed or the electromagnetic lock is replaced by mistake.

The utility model discloses a bracket for a robotic dog to carry a drone, comprising: a base, which is installed on the back bearing surface of the robotic dog; a support block is installed on the base plate surface, a support plate is installed at the top of the support block, the support plate is used to carry the drone, side plates are vertically installed on both sides of the support plate, an electromagnetic locking module is installed on the inner plate surface of the side plates, the electromagnetic locking module is used to limit the drone, a communication interface slot is formed on the support plate surface, a communication contact block is arranged in the communication interface slot, a communication contact point adapted to the communication contact block is arranged at the bottom of the drone, and the drone is electrically connected to the robotic dog through the communication contact block. The utility model realizes ground-air cooperation by the robotic dog carrying the drone. In case of emergencies, the drone can directly detach from the back of the robotic dog and take off quickly, avoiding the time delay of manual deployment.

This application relates to a key management cabinet for operational safety control, comprising: a cabinet body; a padlock; at least one padlockable key box for storing mechanical keys of operational equipment, the key box having a limiting structure passing through its door, such that when a padlock is attached to the limiting structure, the key box is prevented from opening, thus physically locking the key box; an electromagnetic lock for electronically locking the key box; and an operational management system. This application employs a dual locking mechanism combining physical and electronic locking to provide dual control over the padlockable key box storing mechanical keys. The physical locking is achieved through the interaction of the padlock managed by the operator and the limiting structure, while the electronic locking is achieved through the linkage of the electromagnetic lock and the operational management system. Even if one locking mechanism is accidentally disengaged, the other locking mechanism can still effectively prevent the key box from being illegally opened, significantly improving the security of key control.

The invention discloses a transmission device of an electric control mechanism for an isolating switch, the transmission device comprises an isolating base, a transmission assembly and a locking assembly, when the transmission device is connected, a lifting moving block moves downwards, and a driving connecting rod and an insulating connecting rod drive a switch blade to rotate downwards to a horizontal state to realize circuit connection; in the process, the locking moving rod automatically moves towards the direction of the knife switch and completes limiting, and the knife switch is prevented from being turned upwards accidentally to be disconnected. During disconnection, the lifting moving block firstly moves downwards, the locking moving rod is driven by the moving sleeve to automatically release limiting, then the lifting moving block moves upwards, the knife switch is driven to rotate upwards to achieve disconnection, automatic locking during connection and automatic unlocking before disconnection are achieved through pure mechanical linkage, an electromagnetic lock or an electrical control element is not needed, electrical fault points are reduced, and the reliability of the device is improved. The reliability of long-term operation under severe working conditions is remarkably improved, accidental disconnection of the knife switch caused by vibration or misoperation is effectively prevented through mechanical limiting, and the stability of circuit connection and operation safety are guaranteed.

This application relates to an integrated emergency lighting distribution cabinet, comprising a cabinet body, a door, a controller, an electromagnetic lock, a battery, and an emergency lighting device. The cabinet body has a receiving slot, an emergency slot, and a first opening. The emergency slot is connected to the first opening. The door is rotatably connected to the cabinet body to block the first opening. The controller is located in the receiving slot and is electrically connected to an external power source. When the external power source supplies power to the controller and the door blocks the first opening, the electromagnetic lock is attracted and engaged with the door. The battery is located in the emergency slot and is electrically connected to the controller. The emergency lighting device is located in the emergency slot. When the external power source fails to supply power to the controller, the door disengages from the electromagnetic lock, allowing personnel to retrieve the emergency lighting device from the emergency slot, ensuring that personnel can quickly obtain a light source after a power outage and work safely in the dark. Furthermore, in an unattended environment, in the event of a sudden power outage, the battery supplies power to the controller, enabling the emergency power supply mechanism to be activated immediately after a power failure.

This utility model provides an incoming line cabinet, including a cabinet body and a cabinet door. A busbar compartment is located on the rear side of the cabinet body. One side of the cabinet door forms a hinged end, and the other side forms a free end. The hinged end is rotatably connected to the cabinet body located on one side of the busbar compartment via several hinges spaced from top to bottom. The free end is fastened to the cabinet body located on the other side of the busbar compartment via several screws spaced from top to bottom. A U-shaped latch is fixed to the inner side of the free end. A channel is provided on the cabinet body located on the other side of the busbar compartment for the latch to pass horizontally. An electromagnetic lock is fixed on the cabinet body located inside the channel. The electromagnetic lock is electrically connected to a controller in the incoming line cabinet. When the cabinet door is closed to the cabinet body so that the latch passes through the channel, the latch of the electromagnetic lock is inserted into the latch to further lock the cabinet door and the cabinet body. This utility model can effectively prevent non-professionals from accidentally opening the cabinet door, thereby effectively eliminating the risk of electric shock.

This utility model discloses a lift-up window, comprising: a lift-up window frame, a fixed window sash fixedly installed in the lower part of the lift-up window frame, a sliding lift-up window sash slidably installed in the lift-up window frame, a lift assembly installed on the top of the lift-up window frame, the lift assembly connecting to the lift-up window sash, the lift assembly including a motor, a reducer, a winding roller, and a sheet-like chain belt, the motor being connected to the winding roller through the reducer, the sheet-like chain belt being wound on the winding roller, the lower end of the sheet-like chain belt being fixedly connected to the lift-up window sash, the sheet-like chain belt being made of metal, an electromagnetic lock for emergency braking of the sheet-like chain belt being provided inside the lift-up window frame, and a mechanical lock for emergency braking being provided on the side of the lift-up window sash; when the lift-up window sash detected by the acceleration sensor and speed sensor exceeds the normal speed, it is determined that the lift-up window sash is in a stall state, at which time the electromagnetic lock and the mechanical lock are activated, the electromagnetic lock performs emergency braking on the sheet-like chain belt, and the mechanical lock directly performs emergency braking on the lift-up window sash and the lift-up window frame, thereby improving the safety of the lift-up window.

The embodiment of the present application provides a disc seat assembly and a clothes processing device. The disc seat assembly comprises a disc seat, an electromagnetic lock device and a shielding piece, the shielding piece is used for shielding a cable connected with the electromagnetic lock device, the disc seat comprises a seat body, the shielding piece and the electromagnetic lock device are arranged below the seat body of the disc seat, the shielding piece is connected with the disc seat, and the electromagnetic lock device is connected with the shielding piece. The disc seat assembly provided by the embodiment of the present application can avoid the phenomenon that a recess appears on the upper surface of the disc seat due to injection molding of a screw column on the disc seat by installing the electromagnetic lock device on the shielding piece below the disc seat, so that the appearance effect of the disc seat can be improved, and the appearance aesthetic degree of the washing machine is improved.

This invention provides a grounding electromagnetic lock, comprising a housing, an electromagnetic actuation component, and a control circuit board. Both the electromagnetic actuation component and the control circuit board are housed within the housing. The lock also includes a connector and a grounding rod fixing mechanism. The grounding rod fixing mechanism includes a connecting rod body, a fixing nut, a first gear, and a second gear. The fixing nut is located on the connecting rod body. A universal connector is detachably provided at the bottom of the connecting rod body for connecting the grounding rod. When the connecting rod body is inserted into the connector, the first and second fixing handles are used to tightly contact the bottom surface of the fixing nut after rotation. This invention fully considers interference types and volume requirements, and specifically designs each component of the electromagnetic lock to prevent electromagnetic interference. This ensures that the entire chain of wireless signal power supply, acquisition, processing, and transmission can effectively cope with switch operation surges, power frequency magnetic fields, and high-frequency radiation within substations, guaranteeing the reliability and stability of wireless signal transmission.

This invention relates to the field of medical supplies technology, specifically to an intelligent transfer cabinet for body fluid specimens. The cabinet comprises a cabinet body, a partitioned storage system, a control unit (i.e., an industrial-grade main controller), and a communication and control execution module. The cabinet body is integrally formed from 304 stainless steel and includes multiple physically isolated specimen storage areas and a low-temperature storage area. The main controller, based on an ARM Cortex-A series processor and equipped with an embedded system, serves as the core for managing all modules. The communication module enables data interaction with the hospital information system, and the control execution module, controlled by the main controller, centrally manages the electromagnetic locks and status indicators of each storage compartment door. This invention achieves standardized and intelligent temporary storage and transfer of body fluid specimens, improving management automation and reliability, and ensuring storage hygiene and safety as well as the integrity of information management.

The application relates to the technical field of assembly tooling, and particularly discloses a grounding electromagnetic lock iron core assembly positioning tooling, which comprises a tooling bottom plate, a self-adapting support assembly is arranged on the upper right side of the tooling bottom plate, an assembly feeding assembly is arranged on the upper left side of the tooling bottom plate, a pressing-down assembly is arranged on the upper side of the self-adapting support assembly, and a flexible positioning assembly is integrated on the pressing-down assembly; the self-adapting support assembly is arranged in an array type, the support columns in the array type are used for supporting the lock body in a discrete point array type, when the bottom surface profile of the lock body is irregular, each support column can be adaptively lifted in the guide cone cylinder to match the bottom surface profile of the lock body, meanwhile, the pressing-down assembly drives the pressing-down piece to move downward and contact the upper surface of the lock body through the flexible air bag, the flexible air bag can be closely attached to the irregular upper surface of the lock body in a self-adapting mode, and the pressing force is evenly transmitted to the whole upper surface of the lock body, so that the irregular outer surface lock body is evenly and non-destructively clamped.

This invention discloses a control method and related equipment for an electric folding ladder of a combine harvester, belonging to the field of agricultural machinery control technology. The invention uses a rotary drive motor in conjunction with an electric folding ladder tilt sensor to achieve angle feedback. Through three-stage control of the first, second, and third rotational speeds, the unfolding process of the electric folding ladder is smooth and shock-free. A dual-redundant locking structure consisting of an electromagnetic lock and a mechanical locking tongue enhances safety. During the unfolding or retracting of the electric folding ladder, if the infrared anti-pinch sensor is triggered or the motor current exceeds the rated threshold, the rotary drive motor is immediately controlled to reverse a preset distance and retry after a delay. If repeated failures occur, an alarm is output, achieving a dual safety mechanism of anti-pinch protection and overload protection. The controller monitors the signals of each sensor in real time. If a valid signal is not output within a preset number of consecutive detections, a sensor fault is determined, and emergency manual operation is allowed. Combined with power supply abnormality protection, reliability is improved.

The utility model relates to automatic door technical field, concretely relates to an emergency evacuation automatic door of preventing mistaken opening, including the fixed frame, the surface fixed connection of fixed frame has the mounting bracket, the inner wall other end of mounting bracket is provided with the adjusting structure, the inside of mounting bracket is provided with the mounting structure, the surface sliding connection of mounting bracket has the movable door, the top fixed connection of movable door has the electromagnetic lock no.

The application discloses a liquefied gas cylinder multi-dimensional perception early warning disposal terminal and an Internet of Things system, the terminal comprising an explosion-proof shell, an electromagnetic lock buckle mechanism is arranged on the explosion-proof shell, the electromagnetic lock buckle mechanism is detachably installed at a handle of a neck of the cylinder, a battery, a main control module, a positioning module, a communication module and an environment perception module are arranged in the explosion-proof shell, the electromagnetic lock buckle mechanism, the battery, the positioning module, the communication module and the environment perception module are connected with the main control module respectively, the main control module is integrated with an edge AI model, is used for dynamically constructing a behavior baseline and an elastic geographic fence according to a deployment scene and a use mode of the cylinder, and unsupervised anomaly detection, hierarchical response and disposal strategy generation are completed through the communication module receiving multi-source perception data. The application has the advantages of active prediction, early warning and disposal capacity for the liquefied gas cylinder, low false alarm probability, fast response speed and high emergency response efficiency.

The application relates to a quick pressure relief device for equal pressure test, application and a preparation method. The device comprises a container body, a head, a guide cylinder, a guide piston, a locking pin, a pin pulling shell and a stop block. A specified air pressure is introduced through the head air inlet, the pressure change in the container is monitored through a pressure sensor, high-pressure gas is introduced into the pin pulling shell when the test time reaches a specified value, the locking pin quickly retracts, the guide piston loses radial constraint, and the pressure difference between the inside and outside of the container rapidly pushes the guide piston out, thereby realizing quick pressure relief. The application is a mechanical structure and a pneumatic structure, the unlocking gas source is compressed air, high-cost electromagnetic locking pins or valves and a pyrotechnic pin puller are not needed, the work is reliable, and the cost is low.

This invention provides a massage chair, including a frame, functional modules, and a connecting mechanism. The functional modules include one or more of a base module, a backrest module, and a leg rest module. The connecting mechanism is disposed between the frame and the functional modules, allowing the functional modules to be detachably connected to the frame. The connecting mechanism includes a positioning element for guidance and a locking electromagnetic assembly for securing the massage chair. By dividing the massage chair into independently detachable functional modules and utilizing the combination of the positioning element and the electromagnetic locking assembly to connect the frame and the functional modules, the assembly and disassembly speed of the massage chair is effectively improved, enabling it to adapt to the needs of moving in confined spaces and lowering the barrier to entry for in-home installation. The positioning element ensures precise alignment of the modules during installation, while the electromagnetic locking assembly provides an electrically released, stable locking force, significantly reducing the difficulty of manual operation.

The utility model discloses a kind of plastic bag production with curing equipment, including curing box, the front side of curing box is symmetrically provided with two groups of box door, the top of box door and the corresponding electromagnetic lock of curing box are set up, the inside of curing box is provided with pull removal box device, bottom plate is connected on the pull removal box device, the upper end face of bottom plate is symmetrically provided with two groups of vertical plate, adjustment type placing assembly is provided in vertical plate, auxiliary locking device is provided in the pull removal box device. The utility model belongs to the technical field of plastic curing, specifically solves the problem that it is inconvenient to hang plastic products in the curing box during the curing of the existing technology of coiled plastic products, and it is not convenient during unloading.

The utility model provides a kind of equipment cabinet with label reader-writer, including cabinet, the cabinet includes several storage compartments and swing cabinet door, the cabinet door can swing to form or remove the covering of storage compartment, including first sensing component and second sensing component, the first sensing component includes inductor and electromagnetic lock, the second sensing component includes reader-writer, the inductor is arranged on cabinet door and is connected between signal with electromagnetic lock, the electromagnetic lock is used to form or remove the locking between cabinet door, the reader-writer is arranged in storage compartment, and reader-writer is used to form radio signal connection with RFID label. In view of the deficiency of prior art, the utility model provides a kind of equipment cabinet with label reader-writer using RFID label technology, it is convenient to manage.

A novel and useful solid-state degauss circuit for use with electromagnetic door locks. The door lock circuit is configured to provide a current to the electromagnetic coil load. A pulse width modulation (PWM) controller varies the frequency and / or duty cycle to a switch in series with the coil. An active, solid-state degauss circuit in line with the current flowing through the coil is provided. When triggered either in an uncontrolled or controlled manner, the active degauss circuit composed of a solid-state device, creates a short circuit across the coil after current reversal is achieved thereby degaussing.

The present application relates to the technical field of laparoscope support, and discloses a laparoscope fixing device for minimally invasive surgery, which comprises a moving base, a vertical supporting column and a horizontal adjusting arm; two groups of single-hand clutch locking mechanisms are arranged on the sliding mounting seat and are respectively used for sliding adjustment of the sliding mounting seat on the vertical supporting column and sliding adjustment of the sliding mounting seat on the horizontal adjusting arm; an inductive switch is arranged in a handle hand hole of the laparoscope, and the inductive switch is electrically connected with an electromagnetic locking assembly; the single-hand clutch locking mechanism is used for realizing single-hand synchronous adjustment of a position, the operation is simple, locking has no radial torsion, and the laparoscope lens is prevented from deviating; the inductive control electromagnetic locking assembly is matched with a distal end blocking ring, axial automatic locking and accurate adjustment of the laparoscope are realized, and the laparoscope is fixed stably; the overall device can quickly adjust and stably fix the laparoscope, replaces manual mirror holding, and improves the stability and convenience of surgical operation.

The utility model discloses a kind of adjustable lifting appliance structures for silicon package hoisting, including lifting appliance crossbeam, symmetric strip hole is equipped in crossbeam bottom surface, the lifting hook fixing base with lifting hook is installed in hole, middle part is equipped with winding rope cylinder, traction rope is wound in winding rope cylinder two ends by fixed seat top surface vertical board connection.The traction rope is retracted by motor drive winding rope cylinder, drive lifting hook fixing base to move in strip hole, adjust lifting hook distance, adapt to different specifications silicon package hoisting.Lifting hook fixing base top surface is equipped with spacer to prevent falling, strip hole middle guide rod cooperates with spring to ensure smooth movement;Counterweight is equipped at the opposite place of motor in the side of crossbeam, weight is balanced, crossbeam bottom surface rack and lifting hook fixing base electromagnetic lock occlusion realize position locking.The lifting appliance structure disclosed in the application is convenient and efficient, and the structure is stable and reliable.

The application discloses a kind of folding arch quick installation system and method, system includes arch folding locking assembly, folding arch body, clamping device, temporary binding assembly, electromagnetic sensing component and control system;Folding arch body is hinged into foldable structure by multiple arch unit sections, clamping device is detachably installed in excavator arm, temporary binding assembly is realized folding constraint and quick release by steel wire rope and release device, electromagnetic sensing component integrates electromagnet and proximity sensor to realize the automatic alignment of connected steel plate suction, control system real-time acquisition sensor signal, automatically control clamping force, posture adjustment, electromagnet on-off, realize arch clamping, lifting, gravity deployment, electromagnetic attraction, mechanical locking whole process linkage control;Adopt gravity self-expansion, two-stage alignment electromagnetic locking, excavator multi-purpose technology;It can solve the technical problems of low efficiency, high risk in high altitude, poor docking accuracy and high cost of special equipment in the existing steel arch manual installation.